From 0efc96105eb331fcc5c7584cbb4f8154291cdab0 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 3 Nov 2023 06:46:41 -0700
Subject: [PATCH 001/581] simplify: Fix TRACE output of resulting triangle
 count

Everywhere else the debug output seems correct but here we forgot to
convert from index count to triangle count.
---
 src/simplifier.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 5ba8570076..2033d190b8 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1611,7 +1611,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	}
 
 #if TRACE
-	printf("result: %d triangles, error: %e; total %d passes\n", int(result_count), sqrtf(result_error), int(pass_count));
+	printf("result: %d triangles, error: %e; total %d passes\n", int(result_count / 3), sqrtf(result_error), int(pass_count));
 #endif
 
 #ifndef NDEBUG

From d57567f7b19762d47ca13bc1d84158db8851b1dd Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 11 Nov 2023 06:45:30 -0800
Subject: [PATCH 002/581] gltfpack: Refactor floating-point stream encoding

The only difference between position and texture coordinate floating
point encoding was component count and min_exp cutoff; this change
extracts the code into a separate function so that it's easier to reuse.
---
 gltf/stream.cpp | 144 ++++++++++++++++++------------------------------
 1 file changed, 55 insertions(+), 89 deletions(-)

diff --git a/gltf/stream.cpp b/gltf/stream.cpp
index 1a343f0f52..70c533700d 100644
--- a/gltf/stream.cpp
+++ b/gltf/stream.cpp
@@ -383,6 +383,43 @@ static StreamFormat writeVertexStreamRaw(std::string& bin, const Stream& stream,
 	return format;
 }
 
+static StreamFormat writeVertexStreamFloat(std::string& bin, const Stream& stream, cgltf_type type, int components, const Settings& settings, int bits, int min_exp = -100)
+{
+	assert(components >= 1 && components <= 4);
+
+	StreamFormat::Filter filter = settings.compress ? StreamFormat::Filter_Exp : StreamFormat::Filter_None;
+
+	if (settings.compressmore)
+	{
+		encodeExpParallel(bin, &stream.data[0], stream.data.size(), components, bits + 1, min_exp);
+	}
+	else
+	{
+		for (size_t i = 0; i < stream.data.size(); ++i)
+		{
+			const Attr& a = stream.data[i];
+
+			if (filter == StreamFormat::Filter_Exp)
+			{
+				uint32_t v[4];
+				for (int k = 0; k < components; ++k)
+					v[k] = encodeExpOne(a.f[k], bits + 1, min_exp);
+				bin.append(reinterpret_cast<const char*>(v), sizeof(uint32_t) * components);
+			}
+			else
+			{
+				float v[4];
+				for (int k = 0; k < components; ++k)
+				    v[k] = meshopt_quantizeFloat(a.f[k], bits);
+				bin.append(reinterpret_cast<const char*>(v), sizeof(float) * components);
+			}
+		}
+	}
+
+	StreamFormat format = {type, cgltf_component_type_r_32f, false, sizeof(float) * components, filter};
+	return format;
+}
+
 static int quantizeColor(float v, int bytebits, int bits)
 {
 	int result = meshopt_quantizeUnorm(v, bytebits);
@@ -401,41 +438,7 @@ StreamFormat writeVertexStream(std::string& bin, const Stream& stream, const Qua
 			return writeVertexStreamRaw(bin, stream, cgltf_type_vec3, 3);
 
 		if (settings.pos_float)
-		{
-			StreamFormat::Filter filter = settings.compress ? StreamFormat::Filter_Exp : StreamFormat::Filter_None;
-
-			if (settings.compressmore)
-			{
-				encodeExpParallel(bin, &stream.data[0], stream.data.size(), 3, qp.bits + 1);
-			}
-			else
-			{
-				for (size_t i = 0; i < stream.data.size(); ++i)
-				{
-					const Attr& a = stream.data[i];
-
-					if (filter == StreamFormat::Filter_Exp)
-					{
-						uint32_t v[3];
-						v[0] = encodeExpOne(a.f[0], qp.bits + 1);
-						v[1] = encodeExpOne(a.f[1], qp.bits + 1);
-						v[2] = encodeExpOne(a.f[2], qp.bits + 1);
-						bin.append(reinterpret_cast<const char*>(v), sizeof(v));
-					}
-					else
-					{
-						float v[3] = {
-						    meshopt_quantizeFloat(a.f[0], qp.bits),
-						    meshopt_quantizeFloat(a.f[1], qp.bits),
-						    meshopt_quantizeFloat(a.f[2], qp.bits)};
-						bin.append(reinterpret_cast<const char*>(v), sizeof(v));
-					}
-				}
-			}
-
-			StreamFormat format = {cgltf_type_vec3, cgltf_component_type_r_32f, false, 12, filter};
-			return format;
-		}
+			return writeVertexStreamFloat(bin, stream, cgltf_type_vec3, 3, settings, qp.bits);
 
 		if (stream.target == 0)
 		{
@@ -512,66 +515,29 @@ StreamFormat writeVertexStream(std::string& bin, const Stream& stream, const Qua
 		if (!settings.quantize)
 			return writeVertexStreamRaw(bin, stream, cgltf_type_vec2, 2);
 
+		// expand the encoded range to ensure it covers [0..1) interval
+		// this can slightly reduce precision but we should not need more precision inside 0..1, and this significantly improves compressed size when using encodeExpOne
 		if (settings.tex_float)
-		{
-			StreamFormat::Filter filter = settings.compress ? StreamFormat::Filter_Exp : StreamFormat::Filter_None;
+			return writeVertexStreamFloat(bin, stream, cgltf_type_vec2, 2, settings, qt.bits, /* min_exp= */ 0);
 
-			// expand the encoded range to ensure it covers [0..1) interval
-			// this can slightly reduce precision but we should not need more precision inside 0..1, and this significantly
-			// improves compressed size when using encodeExpOne
-			const int min_exp = 0;
+		float uv_rscale[2] = {
+		    qt.scale[0] == 0.f ? 0.f : 1.f / qt.scale[0],
+		    qt.scale[1] == 0.f ? 0.f : 1.f / qt.scale[1],
+		};
 
-			if (settings.compressmore)
-			{
-				encodeExpParallel(bin, &stream.data[0], stream.data.size(), 2, qt.bits + 1, min_exp);
-			}
-			else
-			{
-				for (size_t i = 0; i < stream.data.size(); ++i)
-				{
-					const Attr& a = stream.data[i];
-
-					if (filter == StreamFormat::Filter_Exp)
-					{
-						uint32_t v[2];
-						v[0] = encodeExpOne(a.f[0], qt.bits + 1, min_exp);
-						v[1] = encodeExpOne(a.f[1], qt.bits + 1, min_exp);
-						bin.append(reinterpret_cast<const char*>(v), sizeof(v));
-					}
-					else
-					{
-						float v[2] = {
-						    meshopt_quantizeFloat(a.f[0], qt.bits),
-						    meshopt_quantizeFloat(a.f[1], qt.bits)};
-						bin.append(reinterpret_cast<const char*>(v), sizeof(v));
-					}
-				}
-			}
-
-			StreamFormat format = {cgltf_type_vec2, cgltf_component_type_r_32f, false, 8, filter};
-			return format;
-		}
-		else
+		for (size_t i = 0; i < stream.data.size(); ++i)
 		{
-			float uv_rscale[2] = {
-			    qt.scale[0] == 0.f ? 0.f : 1.f / qt.scale[0],
-			    qt.scale[1] == 0.f ? 0.f : 1.f / qt.scale[1],
-			};
-
-			for (size_t i = 0; i < stream.data.size(); ++i)
-			{
-				const Attr& a = stream.data[i];
-
-				uint16_t v[2] = {
-				    uint16_t(meshopt_quantizeUnorm((a.f[0] - qt.offset[0]) * uv_rscale[0], qt.bits)),
-				    uint16_t(meshopt_quantizeUnorm((a.f[1] - qt.offset[1]) * uv_rscale[1], qt.bits)),
-				};
-				bin.append(reinterpret_cast<const char*>(v), sizeof(v));
-			}
+			const Attr& a = stream.data[i];
 
-			StreamFormat format = {cgltf_type_vec2, cgltf_component_type_r_16u, qt.normalized, 4};
-			return format;
+			uint16_t v[2] = {
+			    uint16_t(meshopt_quantizeUnorm((a.f[0] - qt.offset[0]) * uv_rscale[0], qt.bits)),
+			    uint16_t(meshopt_quantizeUnorm((a.f[1] - qt.offset[1]) * uv_rscale[1], qt.bits)),
+			};
+			bin.append(reinterpret_cast<const char*>(v), sizeof(v));
 		}
+
+		StreamFormat format = {cgltf_type_vec2, cgltf_component_type_r_16u, qt.normalized, 4};
+		return format;
 	}
 	else if (stream.type == cgltf_attribute_type_normal)
 	{

From 89268f34733eb493939d90b9fa1840ff629c707b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 16 Nov 2023 10:04:03 -0800
Subject: [PATCH 003/581] gltfpack: Remove normal streams from meshes with
 unlit materials

Unlit materials do not require normals or tangents; we already
automatically filter out tangents because of the lack of normal texture
or other material extensions, but normals were not removed until now.

This can reduce the amount of geometry we need to output; this also
mostly subsumes the redundant normal stream filtering for point clouds
as point clouds often have an unlit material, but for now we'll keep
that redundancy.

When material variants are used, we only do this when all material
variants for a given mesh are unlit. The use of the default material
also blocks this optimization as default material implies basic
lighting.
---
 gltf/gltfpack.cpp | 1 +
 gltf/gltfpack.h   | 2 ++
 gltf/material.cpp | 3 +++
 gltf/mesh.cpp     | 3 +++
 4 files changed, 9 insertions(+)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index fabc586d39..3e97d32144 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -354,6 +354,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 
 			mi.needsTangents |= vi.needsTangents;
 			mi.textureSetMask |= vi.textureSetMask;
+			mi.unlit &= vi.unlit;
 		}
 
 		filterStreams(mesh, mi);
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index c3257589f4..fed181ea08 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -219,6 +219,8 @@ struct MaterialInfo
 
 	bool usesTextureTransform;
 	bool needsTangents;
+	bool unlit;
+
 	unsigned int textureSetMask;
 
 	int remap;
diff --git a/gltf/material.cpp b/gltf/material.cpp
index 59238ac14a..9b1ad14a3b 100644
--- a/gltf/material.cpp
+++ b/gltf/material.cpp
@@ -500,6 +500,9 @@ static void analyzeMaterial(const cgltf_material& material, MaterialInfo& mi, cg
 	analyzeMaterialTexture(material.normal_texture, TextureKind_Normal, mi, data, textures, images);
 	analyzeMaterialTexture(material.occlusion_texture, TextureKind_Attrib, mi, data, textures, images);
 	analyzeMaterialTexture(material.emissive_texture, TextureKind_Color, mi, data, textures, images);
+
+	if (material.unlit)
+		mi.unlit = true;
 }
 
 void analyzeMaterials(cgltf_data* data, std::vector<MaterialInfo>& materials, std::vector<TextureInfo>& textures, std::vector<ImageInfo>& images)
diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 2f4b29fd0d..d99be38eef 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -424,6 +424,9 @@ void filterStreams(Mesh& mesh, const MaterialInfo& mi)
 		if (stream.type == cgltf_attribute_type_texcoord && stream.index > keep_texture_set)
 			continue;
 
+		if (stream.type == cgltf_attribute_type_normal && mi.unlit)
+			continue;
+
 		if (stream.type == cgltf_attribute_type_tangent && !mi.needsTangents)
 			continue;
 

From e3aab8bc14ed4a78bdb83303355689a96a31528c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 16 Nov 2023 10:09:15 -0800
Subject: [PATCH 004/581] gltfpack: Introduce optional floating-point normal
 quantization

Usually normalized integer storage is optimal for normals; however,
morph target deltas require a [-2, 2] storage range. During quantization
we clamp them to [-1, 1] which ends up usually working fine, however
there are some use cases where this doesn't work well when the normal
deformation is extreme.

This can be solved by scaling normals by 0.5, so we'll use [-0.5, 0.5]
range for base normal and [-1, 1] range for normal deltas. This usually
works fine with any glTF renderers as they normalize the normal (which
is more or less required for handling non-uniform scale transforms).

However, the validator treats files like this as invalid. Validator
doesn't process files with -c/cc so technically we could fix this when
compression is enabled, but that would result in an odd mismatch where
compression *improves* quality instead of degrading it...

For now we introduce an option to use floating point normals, quantized
using reduced mantissa and stored, when compression is enabled, using
exponential filter. Similarly to -vtf, this isn't normally the
recommended mode but there might be cases where it's a desireable
tradeoff.
---
 gltf/gltfpack.cpp | 8 ++++++--
 gltf/gltfpack.h   | 1 +
 gltf/stream.cpp   | 4 ++++
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index fabc586d39..1f544e1d4e 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -1256,6 +1256,10 @@ int main(int argc, char** argv)
 		{
 			settings.tex_float = true;
 		}
+		else if (strcmp(arg, "-vnf") == 0)
+		{
+			settings.nrm_float = true;
+		}
 		else if (strcmp(arg, "-at") == 0 && i + 1 < argc && isdigit(argv[i + 1][0]))
 		{
 			settings.trn_bits = clamp(atoi(argv[++i]), 1, 24);
@@ -1581,9 +1585,9 @@ int main(int argc, char** argv)
 		return 1;
 	}
 
-	if (settings.fallback && (settings.pos_float || settings.tex_float))
+	if (settings.fallback && (settings.pos_float || settings.tex_float || settings.nrm_float))
 	{
-		fprintf(stderr, "Option -cf can not be used together with -vpf or -tpf\n");
+		fprintf(stderr, "Option -cf can not be used together with -vpf, -vtf or -vnf\n");
 		return 1;
 	}
 
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index c3257589f4..5d0c2a03a0 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -117,6 +117,7 @@ struct Settings
 	bool pos_normalized;
 	bool pos_float;
 	bool tex_float;
+	bool nrm_float;
 
 	int trn_bits;
 	int rot_bits;
diff --git a/gltf/stream.cpp b/gltf/stream.cpp
index 70c533700d..6d8ad2b271 100644
--- a/gltf/stream.cpp
+++ b/gltf/stream.cpp
@@ -544,6 +544,10 @@ StreamFormat writeVertexStream(std::string& bin, const Stream& stream, const Qua
 		if (!settings.quantize)
 			return writeVertexStreamRaw(bin, stream, cgltf_type_vec3, 3);
 
+		// expand the encoded range to ensure it covers [0..1) interval
+		if (settings.nrm_float)
+			return writeVertexStreamFloat(bin, stream, cgltf_type_vec3, 3, settings, settings.nrm_bits, /* min_exp= */ 0);
+
 		bool oct = settings.compressmore && stream.target == 0;
 		int bits = settings.nrm_bits;
 

From e2ee634bc04af57265d493d92a05cd5e491e31b7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 16 Nov 2023 18:23:54 -0800
Subject: [PATCH 005/581] clang-format

Note: this change ignores formatting of ternaries where clang-format
makes a very wrong decision, as well as a few small bits that might need
code adjustment in the future to avoid misformats.
---
 gltf/mesh.cpp      | 6 +++---
 gltf/parsegltf.cpp | 7 +++----
 gltf/parseobj.cpp  | 2 +-
 gltf/stream.cpp    | 2 +-
 src/simplifier.cpp | 6 +++---
 5 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 2f4b29fd0d..7d02cd1bdb 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -405,8 +405,8 @@ void filterStreams(Mesh& mesh, const MaterialInfo& mi)
 
 		if (stream.target)
 		{
-			morph_normal = morph_normal || (stream.type == cgltf_attribute_type_normal && !isConstant(stream.data, { 0, 0, 0, 0 }));
-			morph_tangent = morph_tangent || (stream.type == cgltf_attribute_type_tangent && !isConstant(stream.data, { 0, 0, 0, 0 }));
+			morph_normal = morph_normal || (stream.type == cgltf_attribute_type_normal && !isConstant(stream.data, {0, 0, 0, 0}));
+			morph_tangent = morph_tangent || (stream.type == cgltf_attribute_type_tangent && !isConstant(stream.data, {0, 0, 0, 0}));
 		}
 
 		if (stream.type == cgltf_attribute_type_texcoord && stream.index < 32 && (mi.textureSetMask & (1u << stream.index)) != 0)
@@ -430,7 +430,7 @@ void filterStreams(Mesh& mesh, const MaterialInfo& mi)
 		if ((stream.type == cgltf_attribute_type_joints || stream.type == cgltf_attribute_type_weights) && !mesh.skin)
 			continue;
 
-		if (stream.type == cgltf_attribute_type_color && isConstant(stream.data, { 1, 1, 1, 1 }))
+		if (stream.type == cgltf_attribute_type_color && isConstant(stream.data, {1, 1, 1, 1}))
 			continue;
 
 		if (stream.target && stream.type == cgltf_attribute_type_normal && !morph_normal)
diff --git a/gltf/parsegltf.cpp b/gltf/parsegltf.cpp
index 5bf36b0b20..634d4ba5c6 100644
--- a/gltf/parsegltf.cpp
+++ b/gltf/parsegltf.cpp
@@ -140,10 +140,9 @@ static void fixupIndices(std::vector<unsigned int>& indices, cgltf_primitive_typ
 
 static bool isIdAttribute(const char* name)
 {
-	return
-		strcmp(name, "_ID") == 0 ||
-		strcmp(name, "_BATCHID") == 0 ||
-		strncmp(name, "_FEATURE_ID_", 12) == 0;
+	return strcmp(name, "_ID") == 0 ||
+	       strcmp(name, "_BATCHID") == 0 ||
+	       strncmp(name, "_FEATURE_ID_", 12) == 0;
 }
 
 static void parseMeshesGltf(cgltf_data* data, std::vector<Mesh>& meshes, std::vector<std::pair<size_t, size_t> >& mesh_remap)
diff --git a/gltf/parseobj.cpp b/gltf/parseobj.cpp
index ed06b9f0ff..d353d544bb 100644
--- a/gltf/parseobj.cpp
+++ b/gltf/parseobj.cpp
@@ -235,7 +235,7 @@ static void parseMeshGroupObj(fastObjMesh* obj, const fastObjGroup& og, cgltf_da
 	unsigned int face_vertex_offset = og.index_offset;
 	unsigned int face_end_offset = og.face_offset + og.face_count;
 
-	for (unsigned int face_offset = og.face_offset; face_offset < face_end_offset; )
+	for (unsigned int face_offset = og.face_offset; face_offset < face_end_offset;)
 	{
 		unsigned int mi = obj->face_materials[face_offset];
 
diff --git a/gltf/stream.cpp b/gltf/stream.cpp
index 70c533700d..295540310a 100644
--- a/gltf/stream.cpp
+++ b/gltf/stream.cpp
@@ -410,7 +410,7 @@ static StreamFormat writeVertexStreamFloat(std::string& bin, const Stream& strea
 			{
 				float v[4];
 				for (int k = 0; k < components; ++k)
-				    v[k] = meshopt_quantizeFloat(a.f[k], bits);
+					v[k] = meshopt_quantizeFloat(a.f[k], bits);
 				bin.append(reinterpret_cast<const char*>(v), sizeof(float) * components);
 			}
 		}
diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 2033d190b8..4073bb4dc7 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -580,7 +580,7 @@ static float quadricError(const Quadric& Q, const QuadricGrad* G, size_t attribu
 	}
 
 	// TODO: weight normalization is breaking attribute error somehow
-	float s = 1;// Q.w == 0.f ? 0.f : 1.f / Q.w;
+	float s = 1; // Q.w == 0.f ? 0.f : 1.f / Q.w;
 
 	return fabsf(r) * s;
 }
@@ -1325,7 +1325,7 @@ static void fillCellQuadrics(Quadric* cell_quadrics, const unsigned int* indices
 
 static void fillCellReservoirs(Reservoir* cell_reservoirs, size_t cell_count, const Vector3* vertex_positions, const float* vertex_colors, size_t vertex_colors_stride, size_t vertex_count, const unsigned int* vertex_cells)
 {
-	static const float dummy_color[] = { 0.f, 0.f, 0.f };
+	static const float dummy_color[] = {0.f, 0.f, 0.f};
 
 	size_t vertex_colors_stride_float = vertex_colors_stride / sizeof(float);
 
@@ -1380,7 +1380,7 @@ static void fillCellRemap(unsigned int* cell_remap, float* cell_errors, size_t c
 
 static void fillCellRemap(unsigned int* cell_remap, float* cell_errors, size_t cell_count, const unsigned int* vertex_cells, const Reservoir* cell_reservoirs, const Vector3* vertex_positions, const float* vertex_colors, size_t vertex_colors_stride, float color_weight, size_t vertex_count)
 {
-	static const float dummy_color[] = { 0.f, 0.f, 0.f };
+	static const float dummy_color[] = {0.f, 0.f, 0.f};
 
 	size_t vertex_colors_stride_float = vertex_colors_stride / sizeof(float);
 

From f95a0bb93d9a41d17c6df937a11a85fc340dbdfd Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 17 Nov 2023 07:36:26 -0800
Subject: [PATCH 006/581] gltfpack: Update help to account for vtf/vnf and
 remove vtn

On further reflection, vtn was added prematurely: it only allows setting
the texture coordinate compression mode to default which isn't actually
useful until we add automatic modes, and once we do a lot of things will
change.

This was not very obvious when only vpf and vtf existed, but with vnf as
well it's definitely not a good idea to also add vnn...

Removing this should hopefully be fine since it was a no-op argument that
wasn't documented or advertised anywhere but the command line.
---
 gltf/gltfpack.cpp | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index cacc709e4f..633ff958ee 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -1249,10 +1249,6 @@ int main(int argc, char** argv)
 		{
 			settings.pos_float = true;
 		}
-		else if (strcmp(arg, "-vtn") == 0)
-		{
-			settings.tex_float = false;
-		}
 		else if (strcmp(arg, "-vtf") == 0)
 		{
 			settings.tex_float = true;
@@ -1499,7 +1495,7 @@ int main(int argc, char** argv)
 			fprintf(stderr, "\t-si R: simplify meshes targeting triangle/point count ratio R (default: 1; R should be between 0 and 1)\n");
 			fprintf(stderr, "\t-sa: aggressively simplify to the target ratio disregarding quality\n");
 			fprintf(stderr, "\t-slb: lock border vertices during simplification to avoid gaps on connected meshes\n");
-			fprintf(stderr, "\nVertices:\n");
+			fprintf(stderr, "\nVertex precision:\n");
 			fprintf(stderr, "\t-vp N: use N-bit quantization for positions (default: 14; N should be between 1 and 16)\n");
 			fprintf(stderr, "\t-vt N: use N-bit quantization for texture coordinates (default: 12; N should be between 1 and 16)\n");
 			fprintf(stderr, "\t-vn N: use N-bit quantization for normals and tangents (default: 8; N should be between 1 and 16)\n");
@@ -1508,9 +1504,9 @@ int main(int argc, char** argv)
 			fprintf(stderr, "\t-vpi: use integer attributes for positions (default)\n");
 			fprintf(stderr, "\t-vpn: use normalized attributes for positions\n");
 			fprintf(stderr, "\t-vpf: use floating point attributes for positions\n");
-			fprintf(stderr, "\nTexture coordinates:\n");
-			fprintf(stderr, "\t-vtn: use normalized attributes for texture coordinates (default)\n");
+			fprintf(stderr, "\nVertex attributes:\n");
 			fprintf(stderr, "\t-vtf: use floating point attributes for texture coordinates\n");
+			fprintf(stderr, "\t-vnf: use floating point attributes for normals\n");
 			fprintf(stderr, "\nAnimations:\n");
 			fprintf(stderr, "\t-at N: use N-bit quantization for translations (default: 16; N should be between 1 and 24)\n");
 			fprintf(stderr, "\t-ar N: use N-bit quantization for rotations (default: 12; N should be between 4 and 16)\n");

From 8c3ae2f2441abcb277ee1a8307014d470ea29265 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 18 Nov 2023 22:31:10 -0800
Subject: [PATCH 007/581] overdraw: Remove redundant v2z/v3z swap

v2z/v3z are unused in the rest of the function since we just rely on v1z
and depth gradients from here on. We already avoided flipping them, so
we also avoid swapping them. This fixes a few clang-tidy warnings.
---
 src/overdrawanalyzer.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/overdrawanalyzer.cpp b/src/overdrawanalyzer.cpp
index 8b6f254134..31cf6f146a 100644
--- a/src/overdrawanalyzer.cpp
+++ b/src/overdrawanalyzer.cpp
@@ -53,11 +53,10 @@ static void rasterize(OverdrawBuffer* buffer, float v1x, float v1y, float v1z, f
 	// flip backfacing triangles to simplify rasterization logic
 	if (sign)
 	{
-		// flipping v2 & v3 preserves depth gradients since they're based on v1
+		// flipping v2 & v3 preserves depth gradients since they're based on v1; only v1z is used below
 		float t;
 		t = v2x, v2x = v3x, v3x = t;
 		t = v2y, v2y = v3y, v3y = t;
-		t = v2z, v2z = v3z, v3z = t;
 
 		// flip depth since we rasterize backfacing triangles to second buffer with reverse Z; only v1z is used below
 		v1z = kViewport - v1z;

From 11b7fd5a7c912d8dac7ae2a6d4237374c531c0c2 Mon Sep 17 00:00:00 2001
From: ruby <ruby0x1@pm.me>
Date: Sun, 26 Nov 2023 17:20:14 -0400
Subject: [PATCH 008/581] add options to simplify example

minor API change
---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index f8d233d868..e59d10f1c8 100644
--- a/README.md
+++ b/README.md
@@ -263,11 +263,12 @@ The first simplification algorithm, `meshopt_simplify`, follows the topology of
 float threshold = 0.2f;
 size_t target_index_count = size_t(index_count * threshold);
 float target_error = 1e-2f;
+unsigned int options = 0; //meshopt_SimplifyX flags, 0 is a safe default
 
 std::vector<unsigned int> lod(index_count);
 float lod_error = 0.f;
 lod.resize(meshopt_simplify(&lod[0], indices, index_count, &vertices[0].x, vertex_count, sizeof(Vertex),
-    target_index_count, target_error, &lod_error));
+    target_index_count, target_error, options, &lod_error));
 ```
 
 Target error is an approximate measure of the deviation from the original mesh using distance normalized to `[0..1]` range (e.g. `1e-2f` means that simplifier will try to maintain the error to be below 1% of the mesh extents). Note that the simplifier attempts to produce the requested number of indices at minimal error, but because of topological restrictions and error limit it is not guaranteed to reach the target index count and can stop earlier.

From 20517152a08c32152e545fe51a7d628a40380c26 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 26 Nov 2023 13:29:33 -0800
Subject: [PATCH 009/581] Update README.md

Add a missing space
---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index e59d10f1c8..fbf576ef6b 100644
--- a/README.md
+++ b/README.md
@@ -263,7 +263,7 @@ The first simplification algorithm, `meshopt_simplify`, follows the topology of
 float threshold = 0.2f;
 size_t target_index_count = size_t(index_count * threshold);
 float target_error = 1e-2f;
-unsigned int options = 0; //meshopt_SimplifyX flags, 0 is a safe default
+unsigned int options = 0; // meshopt_SimplifyX flags, 0 is a safe default
 
 std::vector<unsigned int> lod(index_count);
 float lod_error = 0.f;

From 28bd987efa521b9d7301b91448fd32600067c2e9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 26 Nov 2023 13:30:42 -0800
Subject: [PATCH 010/581] Update cifuzz.yml

There's no need to run fuzzer on .md changes
---
 .github/workflows/cifuzz.yml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/cifuzz.yml b/.github/workflows/cifuzz.yml
index 3c50a50fb2..a0c57dc86c 100644
--- a/.github/workflows/cifuzz.yml
+++ b/.github/workflows/cifuzz.yml
@@ -1,5 +1,10 @@
 name: CIFuzz
-on: [pull_request]
+
+on:
+  pull_request:
+    paths-ignore:
+      - '*.md'
+
 jobs:
   Fuzzing:
     runs-on: ubuntu-latest

From 91433d1157f57542476b82a2896f53efc1dd591b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 30 Nov 2023 16:52:42 -0800
Subject: [PATCH 011/581] extern: Update cgltf to latest

This includes recent changes to cgltf that increase robustness when
parsing invalid files and a change to cgltf_accessor_unpack_indices that
requires an associated parsing change for compatibility.
---
 extern/cgltf.h     | 106 ++++++++++++++++++++++++++++++++++-----------
 gltf/parsegltf.cpp |   2 +-
 2 files changed, 82 insertions(+), 26 deletions(-)

diff --git a/extern/cgltf.h b/extern/cgltf.h
index 7fc5652525..24fb08b06a 100644
--- a/extern/cgltf.h
+++ b/extern/cgltf.h
@@ -63,9 +63,14 @@
  * By passing null for the output pointer, users can find out how many floats are required in the
  * output buffer.
  *
+ * `cgltf_accessor_unpack_indices` reads in the index data from an accessor. Assumes that
+ * `cgltf_load_buffers` has already been called. By passing null for the output pointer, users can
+ * find out how many indices are required in the output buffer. Returns 0 if the accessor is
+ * sparse or if the output component size is less than the accessor's component size.
+ *
  * `cgltf_num_components` is a tiny utility that tells you the dimensionality of
  * a certain accessor type. This can be used before `cgltf_accessor_unpack_floats` to help allocate
- * the necessary amount of memory. `cgltf_component_size` and `cgltf_calc_size` exist for 
+ * the necessary amount of memory. `cgltf_component_size` and `cgltf_calc_size` exist for
  * similar purposes.
  *
  * `cgltf_accessor_read_float` reads a certain element from a non-sparse accessor and converts it to
@@ -75,7 +80,7 @@
  *
  * `cgltf_accessor_read_uint` is similar to its floating-point counterpart, but limited to reading
  * vector types and does not support matrix types. The passed-in element size is the number of uints
- * in the output buffer, which should be in the range [1, 4]. Returns false if the passed-in 
+ * in the output buffer, which should be in the range [1, 4]. Returns false if the passed-in
  * element_size is too small, or if the accessor is sparse.
  *
  * `cgltf_accessor_read_index` is similar to its floating-point counterpart, but it returns size_t
@@ -197,6 +202,7 @@ typedef enum cgltf_type
 
 typedef enum cgltf_primitive_type
 {
+	cgltf_primitive_type_invalid,
 	cgltf_primitive_type_points,
 	cgltf_primitive_type_lines,
 	cgltf_primitive_type_line_loop,
@@ -838,7 +844,7 @@ cgltf_size cgltf_component_size(cgltf_component_type component_type);
 cgltf_size cgltf_calc_size(cgltf_type type, cgltf_component_type component_type);
 
 cgltf_size cgltf_accessor_unpack_floats(const cgltf_accessor* accessor, cgltf_float* out, cgltf_size float_count);
-cgltf_size cgltf_accessor_unpack_indices(const cgltf_accessor* accessor, cgltf_uint* out, cgltf_size index_count);
+cgltf_size cgltf_accessor_unpack_indices(const cgltf_accessor* accessor, void* out, cgltf_size out_component_size, cgltf_size index_count);
 
 /* this function is deprecated and will be removed in the future; use cgltf_extras::data instead */
 cgltf_result cgltf_copy_extras_json(const cgltf_data* data, const cgltf_extras* extras, char* dest, cgltf_size* dest_size);
@@ -938,8 +944,8 @@ static int jsmn_parse(jsmn_parser *parser, const char *js, size_t len, jsmntok_t
 
 
 #ifndef CGLTF_CONSTS
-static const cgltf_size GlbHeaderSize = 12;
-static const cgltf_size GlbChunkHeaderSize = 8;
+#define GlbHeaderSize 12
+#define GlbChunkHeaderSize 8
 static const uint32_t GlbVersion = 2;
 static const uint32_t GlbMagic = 0x46546C67;
 static const uint32_t GlbMagicJsonChunk = 0x4E4F534A;
@@ -1033,7 +1039,7 @@ static cgltf_result cgltf_default_file_read(const struct cgltf_memory_options* m
 		fclose(file);
 		return cgltf_result_out_of_memory;
 	}
-	
+
 	cgltf_size read_size = fread(file_data, 1, file_size, file);
 
 	fclose(file);
@@ -1634,6 +1640,7 @@ cgltf_result cgltf_validate(cgltf_data* data)
 
 		for (cgltf_size j = 0; j < data->meshes[i].primitives_count; ++j)
 		{
+			CGLTF_ASSERT_IF(data->meshes[i].primitives[j].type == cgltf_primitive_type_invalid, cgltf_result_invalid_gltf);
 			CGLTF_ASSERT_IF(data->meshes[i].primitives[j].targets_count != data->meshes[i].primitives[0].targets_count, cgltf_result_invalid_gltf);
 
 			CGLTF_ASSERT_IF(data->meshes[i].primitives[j].attributes_count == 0, cgltf_result_invalid_gltf);
@@ -1735,6 +1742,11 @@ cgltf_result cgltf_validate(cgltf_data* data)
 		}
 	}
 
+	for (cgltf_size i = 0; i < data->variants_count; ++i)
+	{
+		CGLTF_ASSERT_IF(!data->variants[i].name, cgltf_result_invalid_gltf);
+	}
+
 	return cgltf_result_success;
 }
 
@@ -1909,7 +1921,7 @@ void cgltf_free(cgltf_data* data)
 
 	data->memory.free_func(data->memory.user_data, data->materials);
 
-	for (cgltf_size i = 0; i < data->images_count; ++i) 
+	for (cgltf_size i = 0; i < data->images_count; ++i)
 	{
 		data->memory.free_func(data->memory.user_data, data->images[i].name);
 		data->memory.free_func(data->memory.user_data, data->images[i].uri);
@@ -2557,7 +2569,7 @@ cgltf_size cgltf_animation_channel_index(const cgltf_animation* animation, const
 	return (cgltf_size)(object - animation->channels);
 }
 
-cgltf_size cgltf_accessor_unpack_indices(const cgltf_accessor* accessor, cgltf_uint* out, cgltf_size index_count)
+cgltf_size cgltf_accessor_unpack_indices(const cgltf_accessor* accessor, void* out, cgltf_size out_component_size, cgltf_size index_count)
 {
 	if (out == NULL)
 	{
@@ -2565,6 +2577,7 @@ cgltf_size cgltf_accessor_unpack_indices(const cgltf_accessor* accessor, cgltf_u
 	}
 
 	index_count = accessor->count < index_count ? accessor->count : index_count;
+	cgltf_size index_component_size = cgltf_component_size(accessor->component_type);
 
 	if (accessor->is_sparse)
 	{
@@ -2574,6 +2587,10 @@ cgltf_size cgltf_accessor_unpack_indices(const cgltf_accessor* accessor, cgltf_u
 	{
 		return 0;
 	}
+	if (index_component_size > out_component_size)
+	{
+		return 0;
+	}
 	const uint8_t* element = cgltf_buffer_view_data(accessor->buffer_view);
 	if (element == NULL)
 	{
@@ -2581,18 +2598,29 @@ cgltf_size cgltf_accessor_unpack_indices(const cgltf_accessor* accessor, cgltf_u
 	}
 	element += accessor->offset;
 
-	if (accessor->component_type == cgltf_component_type_r_32u && accessor->stride == sizeof(cgltf_uint))
+	if (index_component_size == out_component_size && accessor->stride == out_component_size)
 	{
-		memcpy(out, element, index_count * sizeof(cgltf_uint));
+		memcpy(out, element, index_count * index_component_size);
+		return index_count;
 	}
-	else
-	{
-		cgltf_uint* dest = out;
 
-		for (cgltf_size index = 0; index < index_count; index++, dest++, element += accessor->stride)
+	// The component size of the output array is larger than the component size of the index data, so index data will be padded.
+	switch (out_component_size)
+	{
+	case 2:
+		for (cgltf_size index = 0; index < index_count; index++, element += accessor->stride)
+		{
+			((uint16_t*)out)[index] = (uint16_t)cgltf_component_read_index(element, accessor->component_type);
+		}
+		break;
+	case 4:
+		for (cgltf_size index = 0; index < index_count; index++, element += accessor->stride)
 		{
-			*dest = (cgltf_uint)cgltf_component_read_index(element, accessor->component_type);
+			((uint32_t*)out)[index] = (uint32_t)cgltf_component_read_index(element, accessor->component_type);
 		}
+		break;
+	default:
+		break;
 	}
 
 	return index_count;
@@ -2818,6 +2846,11 @@ static void cgltf_parse_attribute_type(const char* name, cgltf_attribute_type* o
 	if (us && *out_type != cgltf_attribute_type_invalid)
 	{
 		*out_index = CGLTF_ATOI(us + 1);
+		if (*out_index < 0)
+		{
+			*out_type = cgltf_attribute_type_invalid;
+			*out_index = 0;
+		}
 	}
 }
 
@@ -3150,6 +3183,31 @@ static int cgltf_parse_json_material_mappings(cgltf_options* options, jsmntok_t
 	return i;
 }
 
+static cgltf_primitive_type cgltf_json_to_primitive_type(jsmntok_t const* tok, const uint8_t* json_chunk)
+{
+	int type = cgltf_json_to_int(tok, json_chunk);
+
+	switch (type)
+	{
+	case 0:
+		return cgltf_primitive_type_points;
+	case 1:
+		return cgltf_primitive_type_lines;
+	case 2:
+		return cgltf_primitive_type_line_loop;
+	case 3:
+		return cgltf_primitive_type_line_strip;
+	case 4:
+		return cgltf_primitive_type_triangles;
+	case 5:
+		return cgltf_primitive_type_triangle_strip;
+	case 6:
+		return cgltf_primitive_type_triangle_fan;
+	default:
+		return cgltf_primitive_type_invalid;
+	}
+}
+
 static int cgltf_parse_json_primitive(cgltf_options* options, jsmntok_t const* tokens, int i, const uint8_t* json_chunk, cgltf_primitive* out_prim)
 {
 	CGLTF_CHECK_TOKTYPE(tokens[i], JSMN_OBJECT);
@@ -3166,9 +3224,7 @@ static int cgltf_parse_json_primitive(cgltf_options* options, jsmntok_t const* t
 		if (cgltf_json_strcmp(tokens+i, json_chunk, "mode") == 0)
 		{
 			++i;
-			out_prim->type
-					= (cgltf_primitive_type)
-					cgltf_json_to_int(tokens+i, json_chunk);
+			out_prim->type = cgltf_json_to_primitive_type(tokens+i, json_chunk);
 			++i;
 		}
 		else if (cgltf_json_strcmp(tokens+i, json_chunk, "indices") == 0)
@@ -3707,7 +3763,7 @@ static int cgltf_parse_json_texture_view(cgltf_options* options, jsmntok_t const
 			out_texture_view->texcoord = cgltf_json_to_int(tokens + i, json_chunk);
 			++i;
 		}
-		else if (cgltf_json_strcmp(tokens + i, json_chunk, "scale") == 0) 
+		else if (cgltf_json_strcmp(tokens + i, json_chunk, "scale") == 0)
 		{
 			++i;
 			out_texture_view->scale = cgltf_json_to_float(tokens + i, json_chunk);
@@ -3776,11 +3832,11 @@ static int cgltf_parse_json_pbr_metallic_roughness(cgltf_options* options, jsmnt
 		if (cgltf_json_strcmp(tokens+i, json_chunk, "metallicFactor") == 0)
 		{
 			++i;
-			out_pbr->metallic_factor = 
+			out_pbr->metallic_factor =
 				cgltf_json_to_float(tokens + i, json_chunk);
 			++i;
 		}
-		else if (cgltf_json_strcmp(tokens+i, json_chunk, "roughnessFactor") == 0) 
+		else if (cgltf_json_strcmp(tokens+i, json_chunk, "roughnessFactor") == 0)
 		{
 			++i;
 			out_pbr->roughness_factor =
@@ -4248,11 +4304,11 @@ static int cgltf_parse_json_image(cgltf_options* options, jsmntok_t const* token
 	int size = tokens[i].size;
 	++i;
 
-	for (int j = 0; j < size; ++j) 
+	for (int j = 0; j < size; ++j)
 	{
 		CGLTF_CHECK_KEY(tokens[i]);
 
-		if (cgltf_json_strcmp(tokens + i, json_chunk, "uri") == 0) 
+		if (cgltf_json_strcmp(tokens + i, json_chunk, "uri") == 0)
 		{
 			i = cgltf_parse_json_string(options, tokens, i + 1, json_chunk, &out_image->uri);
 		}
@@ -4332,7 +4388,7 @@ static int cgltf_parse_json_sampler(cgltf_options* options, jsmntok_t const* tok
 				= cgltf_json_to_int(tokens + i, json_chunk);
 			++i;
 		}
-		else if (cgltf_json_strcmp(tokens + i, json_chunk, "wrapT") == 0) 
+		else if (cgltf_json_strcmp(tokens + i, json_chunk, "wrapT") == 0)
 		{
 			++i;
 			out_sampler->wrap_t
@@ -4382,7 +4438,7 @@ static int cgltf_parse_json_texture(cgltf_options* options, jsmntok_t const* tok
 			out_texture->sampler = CGLTF_PTRINDEX(cgltf_sampler, cgltf_json_to_int(tokens + i, json_chunk));
 			++i;
 		}
-		else if (cgltf_json_strcmp(tokens + i, json_chunk, "source") == 0) 
+		else if (cgltf_json_strcmp(tokens + i, json_chunk, "source") == 0)
 		{
 			++i;
 			out_texture->image = CGLTF_PTRINDEX(cgltf_image, cgltf_json_to_int(tokens + i, json_chunk));
diff --git a/gltf/parsegltf.cpp b/gltf/parsegltf.cpp
index 634d4ba5c6..9ebb072437 100644
--- a/gltf/parsegltf.cpp
+++ b/gltf/parsegltf.cpp
@@ -188,7 +188,7 @@ static void parseMeshesGltf(cgltf_data* data, std::vector<Mesh>& meshes, std::ve
 			{
 				result.indices.resize(primitive.indices->count);
 				if (!result.indices.empty())
-					cgltf_accessor_unpack_indices(primitive.indices, &result.indices[0], result.indices.size());
+					cgltf_accessor_unpack_indices(primitive.indices, &result.indices[0], sizeof(unsigned int), result.indices.size());
 
 				for (size_t i = 0; i < result.indices.size(); ++i)
 					assert(result.indices[i] < vertex_count);

From f7982fca28a8238180a7a6f77fa41cf736054b73 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 3 Dec 2023 08:47:21 -0800
Subject: [PATCH 012/581] extern: Update cgltf to include the GLB parsing fix

This is a regression from the recent update so we need to apply the
patch from https://github.com/jkuhlmann/cgltf/pull/240
---
 extern/cgltf.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/extern/cgltf.h b/extern/cgltf.h
index 24fb08b06a..76a14665b8 100644
--- a/extern/cgltf.h
+++ b/extern/cgltf.h
@@ -1147,7 +1147,7 @@ cgltf_result cgltf_parse(const cgltf_options* options, const void* data, cgltf_s
 	// JSON chunk: length
 	uint32_t json_length;
 	memcpy(&json_length, json_chunk, 4);
-	if (GlbHeaderSize + GlbChunkHeaderSize + json_length > size)
+	if (json_length > size - GlbHeaderSize - GlbChunkHeaderSize)
 	{
 		return cgltf_result_data_too_short;
 	}
@@ -1164,7 +1164,7 @@ cgltf_result cgltf_parse(const cgltf_options* options, const void* data, cgltf_s
 	const void* bin = NULL;
 	cgltf_size bin_size = 0;
 
-	if (GlbHeaderSize + GlbChunkHeaderSize + json_length + GlbChunkHeaderSize <= size)
+	if (GlbChunkHeaderSize <= size - GlbHeaderSize - GlbChunkHeaderSize - json_length)
 	{
 		// We can read another chunk
 		const uint8_t* bin_chunk = json_chunk + json_length;
@@ -1172,7 +1172,7 @@ cgltf_result cgltf_parse(const cgltf_options* options, const void* data, cgltf_s
 		// Bin chunk: length
 		uint32_t bin_length;
 		memcpy(&bin_length, bin_chunk, 4);
-		if (GlbHeaderSize + GlbChunkHeaderSize + json_length + GlbChunkHeaderSize + bin_length > size)
+		if (bin_length > size - GlbHeaderSize - GlbChunkHeaderSize - json_length - GlbChunkHeaderSize)
 		{
 			return cgltf_result_data_too_short;
 		}

From 2c24381273243de2dee5bc5d76ac18c28af457e6 Mon Sep 17 00:00:00 2001
From: Guilherme Avila <3927951+sciecode@users.noreply.github.com>
Date: Thu, 7 Dec 2023 20:23:19 -0300
Subject: [PATCH 013/581] vcacheoptimizer: Remove redundant live_count buffer 
 (#638)

live_count can alias adjacency.counts as they always contain the same data; this saves a little bit of memory and time.
---
 src/vcacheoptimizer.cpp | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/src/vcacheoptimizer.cpp b/src/vcacheoptimizer.cpp
index d4b08ba340..5e2504fae5 100644
--- a/src/vcacheoptimizer.cpp
+++ b/src/vcacheoptimizer.cpp
@@ -196,8 +196,7 @@ void meshopt_optimizeVertexCacheTable(unsigned int* destination, const unsigned
 	buildTriangleAdjacency(adjacency, indices, index_count, vertex_count, allocator);
 
 	// live triangle counts
-	unsigned int* live_triangles = allocator.allocate<unsigned int>(vertex_count);
-	memcpy(live_triangles, adjacency.counts, vertex_count * sizeof(unsigned int));
+	unsigned int* live_triangles = adjacency.counts;
 
 	// emitted flags
 	unsigned char* emitted_flags = allocator.allocate<unsigned char>(face_count);
@@ -268,13 +267,9 @@ void meshopt_optimizeVertexCacheTable(unsigned int* destination, const unsigned
 		cache = cache_new, cache_new = cache_temp;
 		cache_count = cache_write > cache_size ? cache_size : cache_write;
 
-		// update live triangle counts
-		live_triangles[a]--;
-		live_triangles[b]--;
-		live_triangles[c]--;
-
 		// remove emitted triangle from adjacency data
 		// this makes sure that we spend less time traversing these lists on subsequent iterations
+		// live triangle counts are updated as a byproduct of these adjustments
 		for (size_t k = 0; k < 3; ++k)
 		{
 			unsigned int index = indices[current_triangle * 3 + k];

From 440f12c191381f7db0d4c4c6b5535d3a185528b9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 7 Dec 2023 15:26:56 -0800
Subject: [PATCH 014/581] vcacheoptimizer: Adjust comment to make aliasing more
 apparent

---
 src/vcacheoptimizer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vcacheoptimizer.cpp b/src/vcacheoptimizer.cpp
index 5e2504fae5..5cb7743680 100644
--- a/src/vcacheoptimizer.cpp
+++ b/src/vcacheoptimizer.cpp
@@ -195,7 +195,7 @@ void meshopt_optimizeVertexCacheTable(unsigned int* destination, const unsigned
 	TriangleAdjacency adjacency = {};
 	buildTriangleAdjacency(adjacency, indices, index_count, vertex_count, allocator);
 
-	// live triangle counts
+	// live triangle counts; note, we alias adjacency.counts as we remove triangles after emitting them so the counts always match
 	unsigned int* live_triangles = adjacency.counts;
 
 	// emitted flags

From abb12d3c96e3a3fc7d67d416cf89c49edb988402 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 8 Dec 2023 10:22:33 -0800
Subject: [PATCH 015/581] Update .gitignore to exclude VS CMake intermediate
 files

---
 .gitignore | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/.gitignore b/.gitignore
index 56a80c9c79..90b2ac9640 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,12 @@
-/build/
-/data/
-/gltf/library.wasm
+# IDE integrations
 /.idea/
+/.vs/
+
+# Build files
+/build/
 /cmake-build-*/
+/out/
+/gltf/library.wasm
+
+# Test files
+/data/

From e9ed24bd4eb1369c32e3d8da3d870e5a0363e3a7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 8 Dec 2023 10:42:41 -0800
Subject: [PATCH 016/581] vcacheoptimizer: Tweak condition to help MSVC
 generate branchless code (#639)

gcc/clang lower the condition to cmov sequence but MSVC uses branches
here; it's important to use branchless lowering as these branches are
difficult to predict. This change makes optimizeVertexCache ~7% faster
on MSVC on large meshes.
---
 src/vcacheoptimizer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vcacheoptimizer.cpp b/src/vcacheoptimizer.cpp
index 5cb7743680..e4ecc71d36 100644
--- a/src/vcacheoptimizer.cpp
+++ b/src/vcacheoptimizer.cpp
@@ -260,7 +260,7 @@ void meshopt_optimizeVertexCacheTable(unsigned int* destination, const unsigned
 			unsigned int index = cache[i];
 
 			cache_new[cache_write] = index;
-			cache_write += (index != a && index != b && index != c);
+			cache_write += (index != a) & (index != b) & (index != c);
 		}
 
 		unsigned int* cache_temp = cache;

From b9ca3830555cba334879700a9608cf2c3b3d9766 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 10 Dec 2023 22:55:02 -0800
Subject: [PATCH 017/581] quantization: Extract union to a named type

This mostly helps clang-format that, in absence of a separate properly
formatted declaration, tries to format the union as several lines.
---
 src/quantization.cpp | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/quantization.cpp b/src/quantization.cpp
index 09a314d602..149835f501 100644
--- a/src/quantization.cpp
+++ b/src/quantization.cpp
@@ -3,9 +3,15 @@
 
 #include <assert.h>
 
+union FloatBits
+{
+	float f;
+	unsigned int ui;
+};
+
 unsigned short meshopt_quantizeHalf(float v)
 {
-	union { float f; unsigned int ui; } u = {v};
+	FloatBits u = {v};
 	unsigned int ui = u.ui;
 
 	int s = (ui >> 16) & 0x8000;
@@ -30,7 +36,7 @@ float meshopt_quantizeFloat(float v, int N)
 {
 	assert(N >= 0 && N <= 23);
 
-	union { float f; unsigned int ui; } u = {v};
+	FloatBits u = {v};
 	unsigned int ui = u.ui;
 
 	const int mask = (1 << (23 - N)) - 1;
@@ -64,7 +70,7 @@ float meshopt_dequantizeHalf(unsigned short h)
 	// 112 is an exponent bias fixup; since we already applied it once, applying it twice converts 31 to 255
 	r += (em >= (31 << 10)) ? (112 << 23) : 0;
 
-	union { float f; unsigned int ui; } u;
+	FloatBits u;
 	u.ui = s | r;
 	return u.f;
 }

From 95a6336ca67609b823e7ac714d58524a9885b97a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 10 Dec 2023 22:58:51 -0800
Subject: [PATCH 018/581] Update .gitignore to exclude VS Code files

---
 .gitignore | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.gitignore b/.gitignore
index 90b2ac9640..75ea27b87a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 # IDE integrations
 /.idea/
 /.vs/
+/.vscode/
 
 # Build files
 /build/

From 37c2334c464d28affe032ac193df6e5dfcaf8a25 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 15 Dec 2023 11:26:25 -0800
Subject: [PATCH 019/581] gltfpack: Warn when some materials could not be
 loaded from the .obj/.mtl

This can happen in multiple different ways:

- No mtllib reference in the .obj file
- mtllib reference in the .obj file that can not be loaded
- usemtl references to materials that don't exist in the mtllib
---
 extern/fast_obj.h | 6 ++++++
 gltf/parseobj.cpp | 7 +++++++
 2 files changed, 13 insertions(+)

diff --git a/extern/fast_obj.h b/extern/fast_obj.h
index 0135661197..c57522b314 100644
--- a/extern/fast_obj.h
+++ b/extern/fast_obj.h
@@ -65,6 +65,9 @@ typedef struct
     float                       d;      /* Disolve (alpha) */
     int                         illum;  /* Illumination model */
 
+    /* Set for materials that don't come from the associated mtllib */
+    int                         fallback;
+
     /* Texture maps */
     fastObjTexture              map_Ka;
     fastObjTexture              map_Kd;
@@ -872,6 +875,8 @@ fastObjMaterial mtl_default(void)
     mtl.d     = 1.0;
     mtl.illum = 1;
 
+    mtl.fallback = 0;
+
     mtl.map_Ka   = map_default();
     mtl.map_Kd   = map_default();
     mtl.map_Ks   = map_default();
@@ -919,6 +924,7 @@ const char* parse_usemtl(fastObjData* data, const char* ptr)
     {
         fastObjMaterial new_mtl = mtl_default();
         new_mtl.name = string_copy(s, e);
+        new_mtl.fallback = 1;
         array_push(data->mesh->materials, new_mtl);
     }
 
diff --git a/gltf/parseobj.cpp b/gltf/parseobj.cpp
index d353d544bb..7ed713c077 100644
--- a/gltf/parseobj.cpp
+++ b/gltf/parseobj.cpp
@@ -282,6 +282,13 @@ cgltf_data* parseObj(const char* path, std::vector<Mesh>& meshes, const char** e
 		return NULL;
 	}
 
+	int fallback_materials = 0;
+	for (unsigned int mi = 0; mi < obj->material_count; ++mi)
+		fallback_materials += obj->materials[mi].fallback;
+
+	if (fallback_materials)
+		fprintf(stderr, "Warning: %d/%d materials could not be loaded from mtllib\n", fallback_materials, obj->material_count);
+
 	cgltf_data* data = (cgltf_data*)calloc(1, sizeof(cgltf_data));
 	data->memory.free_func = defaultFree;
 

From 1393aa69cdcf02a5f3643204d6f49744bea20389 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 31 Jan 2024 08:40:25 -0800
Subject: [PATCH 020/581] Add macos-14 runner to run CI on M1

---
 .github/workflows/build.yml | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9768b2204e..616d29a6f8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -188,3 +188,21 @@ jobs:
     - uses: actions/checkout@v1
     - name: make
       run: make -j2 config=iphone
+
+  apple:
+    runs-on: macos-14
+    steps:
+    - uses: actions/checkout@v1
+    - name: make test
+      run: |
+        make -j2 config=sanitize test
+        make -j2 config=debug test
+        make -j2 config=release test
+        make -j2 config=coverage test
+    - name: make gltfpack
+      run: make -j2 config=release gltfpack
+    - name: upload coverage
+      run: |
+        find . -type f -name '*.gcno' -exec gcov -p {} +
+        sed -i -e "s/#####\(.*\)\(\/\/ unreachable.*\)/    -\1\2/" *.gcov
+        bash <(curl -s https://codecov.io/bash) -f './src*.gcov' -X search -t ${{secrets.CODECOV_TOKEN}} -B ${{github.ref}}

From 90d2fe2354516104f24ef5c2eaf498cb4356f005 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 31 Jan 2024 08:58:07 -0800
Subject: [PATCH 021/581] We can now remove the QEMU build

ARM NEON implementations should be tested on M1 hardware now. We still
need the iphone build for now to test that the code builds for armv7.
---
 .github/workflows/build.yml | 54 +++++++++++++------------------------
 1 file changed, 18 insertions(+), 36 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 616d29a6f8..44cab11bbd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,6 +33,24 @@ jobs:
         sed -i -e "s/#####\(.*\)\(\/\/ unreachable.*\)/    -\1\2/" *.gcov
         bash <(curl -s https://codecov.io/bash) -f './src*.gcov' -X search -t ${{secrets.CODECOV_TOKEN}} -B ${{github.ref}}
 
+  macos-arm:
+    runs-on: macos-14
+    steps:
+    - uses: actions/checkout@v1
+    - name: make test
+      run: |
+        make -j2 config=sanitize test
+        make -j2 config=debug test
+        make -j2 config=release test
+        make -j2 config=coverage test
+    - name: make gltfpack
+      run: make -j2 config=release gltfpack
+    - name: upload coverage
+      run: |
+        find . -type f -name '*.gcno' -exec gcov -p {} +
+        sed -i -e "s/#####\(.*\)\(\/\/ unreachable.*\)/    -\1\2/" *.gcov
+        bash <(curl -s https://codecov.io/bash) -f './src*.gcov' -X search -t ${{secrets.CODECOV_TOKEN}} -B ${{github.ref}}
+
   windows:
     runs-on: windows-latest
     strategy:
@@ -164,45 +182,9 @@ jobs:
         sed -i -e "s/#####\(.*\)\(\/\/ unreachable.*\)/    -\1\2/" *.gcov
         bash <(curl -s https://codecov.io/bash) -f './gltf*.gcov' -X search -t ${{secrets.CODECOV_TOKEN}} -B ${{github.ref}}
 
-  arm64:
-    runs-on: ubuntu-latest
-    steps:
-    - run: docker run --rm --privileged multiarch/qemu-user-static:register --reset
-    - uses: docker://multiarch/ubuntu-core:arm64-focal
-      with:
-        args: 'uname -a'
-    - uses: actions/checkout@v1
-    - name: make test
-      uses: docker://multiarch/ubuntu-core:arm64-focal
-      with:
-        args: 'bash -c "apt-get update && apt-get install -y build-essential && make -j2 config=coverage test"'
-    - name: upload coverage
-      run: |
-        find . -type f -name '*.gcno' -exec gcov -p {} +
-        sed -i -e "s/#####\(.*\)\(\/\/ unreachable.*\)/    -\1\2/" *.gcov
-        bash <(curl -s https://codecov.io/bash) -f './src*.gcov' -X search -t ${{secrets.CODECOV_TOKEN}} -B ${{github.ref}}
-
   iphone:
     runs-on: macos-latest
     steps:
     - uses: actions/checkout@v1
     - name: make
       run: make -j2 config=iphone
-
-  apple:
-    runs-on: macos-14
-    steps:
-    - uses: actions/checkout@v1
-    - name: make test
-      run: |
-        make -j2 config=sanitize test
-        make -j2 config=debug test
-        make -j2 config=release test
-        make -j2 config=coverage test
-    - name: make gltfpack
-      run: make -j2 config=release gltfpack
-    - name: upload coverage
-      run: |
-        find . -type f -name '*.gcno' -exec gcov -p {} +
-        sed -i -e "s/#####\(.*\)\(\/\/ unreachable.*\)/    -\1\2/" *.gcov
-        bash <(curl -s https://codecov.io/bash) -f './src*.gcov' -X search -t ${{secrets.CODECOV_TOKEN}} -B ${{github.ref}}

From c84ddcda4b787ba58e92c605b661b67957791656 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 31 Jan 2024 09:03:31 -0800
Subject: [PATCH 022/581] Use make -j3 for macOS ARM as the runners have 3
 vCPUs.

---
 .github/workflows/build.yml | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 44cab11bbd..9ccae05928 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -39,12 +39,12 @@ jobs:
     - uses: actions/checkout@v1
     - name: make test
       run: |
-        make -j2 config=sanitize test
-        make -j2 config=debug test
-        make -j2 config=release test
-        make -j2 config=coverage test
+        make -j3 config=sanitize test
+        make -j3 config=debug test
+        make -j3 config=release test
+        make -j3 config=coverage test
     - name: make gltfpack
-      run: make -j2 config=release gltfpack
+      run: make -j3 config=release gltfpack
     - name: upload coverage
       run: |
         find . -type f -name '*.gcno' -exec gcov -p {} +

From 9a13852db4212cdd21338513804a033ee71c2a51 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 31 Jan 2024 09:09:09 -0800
Subject: [PATCH 023/581] Update copyright year to 2024

... we have way too many JS files now :-/
---
 LICENSE.md                        | 2 +-
 gltf/gltfpack.h                   | 4 ++--
 js/meshopt_decoder.js             | 2 +-
 js/meshopt_decoder.module.d.ts    | 2 +-
 js/meshopt_decoder.module.js      | 2 +-
 js/meshopt_decoder_reference.js   | 2 +-
 js/meshopt_encoder.js             | 2 +-
 js/meshopt_encoder.module.d.ts    | 2 +-
 js/meshopt_encoder.module.js      | 2 +-
 js/meshopt_simplifier.js          | 2 +-
 js/meshopt_simplifier.module.d.ts | 2 +-
 js/meshopt_simplifier.module.js   | 2 +-
 src/meshoptimizer.h               | 4 ++--
 13 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/LICENSE.md b/LICENSE.md
index 962ed41ffb..ef9f5919f2 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2016-2023 Arseny Kapoulkine
+Copyright (c) 2016-2024 Arseny Kapoulkine
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index f09a3d53a2..0a2bdf84ea 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -1,7 +1,7 @@
 /**
  * gltfpack - version 0.20
  *
- * Copyright (C) 2016-2023, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+ * Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
  * Report bugs and download new versions at https://github.com/zeux/meshoptimizer
  *
  * This application is distributed under the MIT License. See notice at the end of this file.
@@ -388,7 +388,7 @@ void writeExtras(std::string& json, const cgltf_extras& extras);
 void writeScene(std::string& json, const cgltf_scene& scene, const std::string& roots);
 
 /**
- * Copyright (c) 2016-2023 Arseny Kapoulkine
+ * Copyright (c) 2016-2024 Arseny Kapoulkine
  *
  * Permission is hereby granted, free of charge, to any person
  * obtaining a copy of this software and associated documentation
diff --git a/js/meshopt_decoder.js b/js/meshopt_decoder.js
index 7062a88f57..1ddd657855 100644
--- a/js/meshopt_decoder.js
+++ b/js/meshopt_decoder.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2023, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptDecoder = (function() {
 	"use strict";
 	// Built with clang version 16.0.0
diff --git a/js/meshopt_decoder.module.d.ts b/js/meshopt_decoder.module.d.ts
index d901928095..8546a2f41a 100644
--- a/js/meshopt_decoder.module.d.ts
+++ b/js/meshopt_decoder.module.d.ts
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2023, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 export const MeshoptDecoder: {
     supported: boolean;
     ready: Promise<void>;
diff --git a/js/meshopt_decoder.module.js b/js/meshopt_decoder.module.js
index 57f2981702..1936748578 100644
--- a/js/meshopt_decoder.module.js
+++ b/js/meshopt_decoder.module.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2023, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptDecoder = (function() {
 	// Built with clang version 16.0.0
 	// Built from meshoptimizer 0.20
diff --git a/js/meshopt_decoder_reference.js b/js/meshopt_decoder_reference.js
index ab1615620a..cc07de0e1b 100644
--- a/js/meshopt_decoder_reference.js
+++ b/js/meshopt_decoder_reference.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2023, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 
 // This is the reference decoder implementation by Jasper St. Pierre.
 // It follows the decoder interface and should be a drop-in replacement for the actual decoder from meshopt_decoder.js
diff --git a/js/meshopt_encoder.js b/js/meshopt_encoder.js
index 0c9753fcec..e092cb5994 100644
--- a/js/meshopt_encoder.js
+++ b/js/meshopt_encoder.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2023, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptEncoder = (function() {
 	"use strict";
 	// Built with clang version 16.0.0
diff --git a/js/meshopt_encoder.module.d.ts b/js/meshopt_encoder.module.d.ts
index 76e8f2bbe2..4855326aff 100644
--- a/js/meshopt_encoder.module.d.ts
+++ b/js/meshopt_encoder.module.d.ts
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2023, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 export const MeshoptEncoder: {
     supported: boolean;
     ready: Promise<void>;
diff --git a/js/meshopt_encoder.module.js b/js/meshopt_encoder.module.js
index ada377aaf7..4805e3e7c9 100644
--- a/js/meshopt_encoder.module.js
+++ b/js/meshopt_encoder.module.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2023, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptEncoder = (function() {
 	// Built with clang version 16.0.0
 	// Built from meshoptimizer 0.20
diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 1acb79e8e4..100bee0d90 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2023, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptSimplifier = (function() {
 	"use strict";
 	// Built with clang version 16.0.0
diff --git a/js/meshopt_simplifier.module.d.ts b/js/meshopt_simplifier.module.d.ts
index 9e267e0f97..fe4c0e82b4 100644
--- a/js/meshopt_simplifier.module.d.ts
+++ b/js/meshopt_simplifier.module.d.ts
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2023, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 export type Flags = "LockBorder";
 
 export const MeshoptSimplifier: {
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index a45ec92c7f..a6c5be8d38 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2023, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptSimplifier = (function() {
 	// Built with clang version 16.0.0
 	// Built from meshoptimizer 0.20
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index dbafd4e6e4..436fc3835f 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -1,7 +1,7 @@
 /**
  * meshoptimizer - version 0.20
  *
- * Copyright (C) 2016-2023, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+ * Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
  * Report bugs and download new versions at https://github.com/zeux/meshoptimizer
  *
  * This library is distributed under the MIT License. See notice at the end of this file.
@@ -1050,7 +1050,7 @@ inline void meshopt_spatialSortTriangles(T* destination, const T* indices, size_
 #endif
 
 /**
- * Copyright (c) 2016-2023 Arseny Kapoulkine
+ * Copyright (c) 2016-2024 Arseny Kapoulkine
  *
  * Permission is hereby granted, free of charge, to any person
  * obtaining a copy of this software and associated documentation

From a4167dcbd3e214b7eeb85950f13a740fdec9dba5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 31 Jan 2024 09:44:53 -0800
Subject: [PATCH 024/581] Update documentation to mention max_triangles%4==0

max_triangles technically doesn't have to be aligned to a boundary of 4,
however because meshlet's triangle data is aligned to 4 bytes for GPU
efficiency, if max_triangles is unaligned then it might require
overallocating the output triangle buffer for edge cases, which is error
prone (and complicates the usage requirements of buildMeshletsBound).

This only matters in theory for NVidia that recommends a
slightly-not-power-of-two 126 on the higher end to make sure the extra
metadata (vertex/triangle count) that is implicitly added to the packet
doesn't go over a 128 byte boundary unnecessarily; using 124 in practice
is just as good as 126.

Fixes #643.
---
 README.md           | 2 +-
 src/meshoptimizer.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index fbf576ef6b..28e49393ed 100644
--- a/README.md
+++ b/README.md
@@ -316,7 +316,7 @@ size_t meshlet_count = meshopt_buildMeshlets(meshlets.data(), meshlet_vertices.d
     indices.size(), &vertices[0].x, vertices.size(), sizeof(Vertex), max_vertices, max_triangles, cone_weight);
 ```
 
-To generate the meshlet data, `max_vertices` and `max_triangles` need to be set within limits supported by the hardware; for NVidia the values of 64 and 124 are recommended. `cone_weight` should be left as 0 if cluster cone culling is not used, and set to a value between 0 and 1 to balance cone culling efficiency with other forms of culling like frustum or occlusion culling.
+To generate the meshlet data, `max_vertices` and `max_triangles` need to be set within limits supported by the hardware; for NVidia the values of 64 and 124 are recommended (`max_triangles` must be divisible by 4 so 124 is the value closest to official NVidia's recommended 126). `cone_weight` should be left as 0 if cluster cone culling is not used, and set to a value between 0 and 1 to balance cone culling efficiency with other forms of culling like frustum or occlusion culling.
 
 Each resulting meshlet refers to a portion of `meshlet_vertices` and `meshlet_triangles` arrays; this data can be uploaded to GPU and used directly after trimming:
 
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 436fc3835f..0619cec8da 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -486,7 +486,7 @@ struct meshopt_Meshlet
  * meshlet_vertices must contain enough space for all meshlets, worst case size is equal to max_meshlets * max_vertices
  * meshlet_triangles must contain enough space for all meshlets, worst case size is equal to max_meshlets * max_triangles * 3
  * vertex_positions should have float3 position in the first 12 bytes of each vertex
- * max_vertices and max_triangles must not exceed implementation limits (max_vertices <= 255 - not 256!, max_triangles <= 512)
+ * max_vertices and max_triangles must not exceed implementation limits (max_vertices <= 255 - not 256!, max_triangles <= 512; max_triangles must be divisible by 4)
  * cone_weight should be set to 0 when cone culling is not used, and a value between 0 and 1 otherwise to balance between cluster size and cone culling efficiency
  */
 MESHOPTIMIZER_API size_t meshopt_buildMeshlets(struct meshopt_Meshlet* meshlets, unsigned int* meshlet_vertices, unsigned char* meshlet_triangles, const unsigned int* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride, size_t max_vertices, size_t max_triangles, float cone_weight);

From 97fffb5db8207816de2d78e71a925859c6f5c50e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 31 Jan 2024 09:59:04 -0800
Subject: [PATCH 025/581] Add MESHOPT_SOVERSION CMake option to specify
 soversion

This patch is taken from Debian patches:
https://salsa.debian.org/roehling/meshoptimizer/-/blob/master/debian/patches/0001-Add-SOVERSION-to-library.patch?ref_type=heads

Specifying soversion currently is at the guidance of the packager;
experimental APIs are not ABI stable but non-experimental APIs are ABI
stable. Since gltfpack uses experimental APIs as well, it probably means
that distributions need to bump soversion on library updates in
practice.

Fixes #644.
---
 CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 05171513c0..68aa59f5df 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -84,6 +84,11 @@ if(MESHOPT_BUILD_SHARED_LIBS)
     set_target_properties(meshoptimizer PROPERTIES CXX_VISIBILITY_PRESET hidden)
     set_target_properties(meshoptimizer PROPERTIES VISIBILITY_INLINES_HIDDEN ON)
 
+    # soversion may be requested via -DMESHOPT_SOVERSION=n; note that experimental APIs (marked with MESHOPTIMIZER_EXPERIMENTAL) are not ABI-stable
+    if(MESHOPT_SOVERSION)
+        set_target_properties(meshoptimizer PROPERTIES VERSION ${PROJECT_VERSION} SOVERSION ${MESHOPT_SOVERSION})
+    endif()
+
     if(WIN32)
         target_compile_definitions(meshoptimizer INTERFACE "MESHOPTIMIZER_API=__declspec(dllimport)")
         target_compile_definitions(meshoptimizer PRIVATE "MESHOPTIMIZER_API=__declspec(dllexport)")

From 5631b38e8044ebdd1f101f86df590ecafe95bf0d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 31 Jan 2024 17:56:31 -0800
Subject: [PATCH 026/581] Merge macos-arm and unix build definitions

We can use (undocumented) support for objects as matrix values to avoid hardcoding -latest suffix
---
 .github/workflows/build.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9ccae05928..485846d25a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,9 +14,9 @@ jobs:
   unix:
     strategy:
       matrix:
-        os: [ubuntu, macos]
-    name: ${{matrix.os}}
-    runs-on: ${{matrix.os}}-latest
+        os: [{name: ubuntu, version: ubuntu-latest}, {name: macos, version: macos-latest}, {name: macos-arm, version: macos-14}]
+    name: ${{matrix.os.name}}
+    runs-on: ${{matrix.os.version}}
     steps:
     - uses: actions/checkout@v1
     - name: make test

From 2cb3c1a7e0231914b36d6ad96177a85c584477e1 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 31 Jan 2024 17:59:26 -0800
Subject: [PATCH 027/581] Remove unnecessary separate definition for macos-arm

Note that "unix" job uses -j2 and macos-arm uses -j3 but there does not seem to be any difference right now on this build so it's easy to keep -j2 for the unified configuration.
---
 .github/workflows/build.yml | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 485846d25a..c388593e80 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,24 +33,6 @@ jobs:
         sed -i -e "s/#####\(.*\)\(\/\/ unreachable.*\)/    -\1\2/" *.gcov
         bash <(curl -s https://codecov.io/bash) -f './src*.gcov' -X search -t ${{secrets.CODECOV_TOKEN}} -B ${{github.ref}}
 
-  macos-arm:
-    runs-on: macos-14
-    steps:
-    - uses: actions/checkout@v1
-    - name: make test
-      run: |
-        make -j3 config=sanitize test
-        make -j3 config=debug test
-        make -j3 config=release test
-        make -j3 config=coverage test
-    - name: make gltfpack
-      run: make -j3 config=release gltfpack
-    - name: upload coverage
-      run: |
-        find . -type f -name '*.gcno' -exec gcov -p {} +
-        sed -i -e "s/#####\(.*\)\(\/\/ unreachable.*\)/    -\1\2/" *.gcov
-        bash <(curl -s https://codecov.io/bash) -f './src*.gcov' -X search -t ${{secrets.CODECOV_TOKEN}} -B ${{github.ref}}
-
   windows:
     runs-on: windows-latest
     strategy:

From fd4c55b13787f6d4be2625e5800a332611769f17 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 9 Feb 2024 11:06:22 -0800
Subject: [PATCH 028/581] Update release.yml

Set CMAKE_OSX_ARCHITECTURES to build a fat binary (x86_64 + arm64) for macOS. This makes gltfpack binary runnable without Rosetta and makes it a little faster on Apple Silicon.
---
 .github/workflows/release.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2a24449515..21fd9e26f8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,7 @@ jobs:
         ref: gltfpack
         path: basis_universal
     - name: cmake configure
-      run: cmake . -DMESHOPT_BUILD_GLTFPACK=ON -DMESHOPT_BASISU_PATH=basis_universal -DMESHOPT_WERROR=ON -DCMAKE_MSVC_RUNTIME_LIBRARY="MultiThreaded" -DCMAKE_BUILD_TYPE=Release
+      run: cmake . -DMESHOPT_BUILD_GLTFPACK=ON -DMESHOPT_BASISU_PATH=basis_universal -DMESHOPT_WERROR=ON -DCMAKE_MSVC_RUNTIME_LIBRARY="MultiThreaded" -DCMAKE_BUILD_TYPE=Release -DCMAKE_OSX_ARCHITECTURES="x86_64;arm64"
     - name: cmake build
       run: cmake --build . --target gltfpack --config Release -j 2
     - uses: actions/upload-artifact@v3

From 2e2620c97776d1ea7cfc39b7750775c01e83bff4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 15 Feb 2024 14:45:25 -0800
Subject: [PATCH 029/581] Update GitHub actions versions to switch to node.js
 20

---
 .github/workflows/build.yml   | 28 ++++++++++++++--------------
 .github/workflows/release.yml | 16 ++++++++--------
 2 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c388593e80..e1214906d0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,7 @@ jobs:
     name: ${{matrix.os.name}}
     runs-on: ${{matrix.os.version}}
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: make test
       run: |
         make -j2 config=sanitize test
@@ -39,7 +39,7 @@ jobs:
       matrix:
         arch: [Win32, x64]
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: cmake configure
       run: cmake . -DMESHOPT_BUILD_DEMO=ON -DMESHOPT_BUILD_GLTFPACK=ON -DMESHOPT_WERROR=ON -DCMAKE_MSVC_RUNTIME_LIBRARY="MultiThreaded$<$<CONFIG:Debug>:Debug>" -A ${{matrix.arch}}
     - name: cmake test
@@ -53,8 +53,8 @@ jobs:
   nodejs:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
-    - uses: actions/setup-node@v3
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
       with:
         node-version: '16'
     - name: test decoder
@@ -69,8 +69,8 @@ jobs:
   gltfpack:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
+    - uses: actions/checkout@v4
       with:
         repository: KhronosGroup/glTF-Sample-Assets
         path: glTF-Sample-Assets
@@ -90,8 +90,8 @@ jobs:
   gltfpack-js:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
-    - uses: actions/setup-node@v3
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
       with:
         node-version: '14.x'
     - name: install wasi
@@ -118,8 +118,8 @@ jobs:
   gltfpack-basis:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
+    - uses: actions/checkout@v4
       with:
         repository: zeux/basis_universal
         ref: gltfpack
@@ -130,13 +130,13 @@ jobs:
   gltfpack-coverage:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
+    - uses: actions/checkout@v4
       with:
         repository: zeux/basis_universal
         ref: gltfpack
         path: basis_universal
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: KhronosGroup/glTF-Sample-Assets
         path: glTF-Sample-Assets
@@ -167,6 +167,6 @@ jobs:
   iphone:
     runs-on: macos-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: make
       run: make -j2 config=iphone
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 21fd9e26f8..045ae1ee70 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,8 +15,8 @@ jobs:
     name: gltfpack-${{matrix.os}}
     runs-on: ${{matrix.os}}-latest
     steps:
-    - uses: actions/checkout@v1
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
+    - uses: actions/checkout@v4
       with:
         repository: zeux/basis_universal
         ref: gltfpack
@@ -25,12 +25,12 @@ jobs:
       run: cmake . -DMESHOPT_BUILD_GLTFPACK=ON -DMESHOPT_BASISU_PATH=basis_universal -DMESHOPT_WERROR=ON -DCMAKE_MSVC_RUNTIME_LIBRARY="MultiThreaded" -DCMAKE_BUILD_TYPE=Release -DCMAKE_OSX_ARCHITECTURES="x86_64;arm64"
     - name: cmake build
       run: cmake --build . --target gltfpack --config Release -j 2
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: gltfpack-windows
         path: Release/gltfpack.exe
       if: matrix.os == 'windows'
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: gltfpack-${{matrix.os}}
         path: gltfpack
@@ -39,8 +39,8 @@ jobs:
   nodejs:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
-    - uses: actions/setup-node@v3
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
       with:
         node-version: '14.x'
     - name: install wasi
@@ -61,11 +61,11 @@ jobs:
         cp LICENSE.md js/
         cd gltf && npm pack && cd ..
         cd js && npm pack && cd ..
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: gltfpack-npm
         path: gltf/gltfpack-*.tgz
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: meshoptimizer-npm
         path: js/meshoptimizer-*.tgz

From 8e87c65bbbc11207194be43a4bb32f39cfd407f5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 15 Feb 2024 14:50:02 -0800
Subject: [PATCH 030/581] Also switch our own jobs to node 16

Technically node 16 is EOL but we'll keep testing using it to ensure
downstream compatibility.
---
 .github/workflows/build.yml   | 2 +-
 .github/workflows/release.yml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e1214906d0..08cf4b9d92 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -93,7 +93,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-node@v4
       with:
-        node-version: '14.x'
+        node-version: '16'
     - name: install wasi
       run: |
         curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sdk-$VERSION.0-linux.tar.gz | tar xz
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 045ae1ee70..fff7e67944 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -42,7 +42,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-node@v4
       with:
-        node-version: '14.x'
+        node-version: '16'
     - name: install wasi
       run: |
         curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sdk-$VERSION.0-linux.tar.gz | tar xz

From c9c18d24bb9d665b302b756c42738cc120383976 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 16 Feb 2024 13:09:31 -0800
Subject: [PATCH 031/581] gltfpack: Add support for KHR_materials_dispersion

This change adds cgltf parsing support as well as material
merging/writing; this extension is similar to KHR_materials_ior in that
it's just one extra float.

Specification:
https://github.com/KhronosGroup/gltf/tree/main/extensions/2.0/Khronos/KHR_materials_dispersion
---
 extern/cgltf.h    | 43 +++++++++++++++++++++++++++++++++++++++++++
 gltf/README.md    |  1 +
 gltf/gltfpack.cpp |  3 +++
 gltf/material.cpp | 14 ++++++++++++++
 gltf/write.cpp    | 18 +++++++++++++++++-
 5 files changed, 78 insertions(+), 1 deletion(-)

diff --git a/extern/cgltf.h b/extern/cgltf.h
index 76a14665b8..d18230a903 100644
--- a/extern/cgltf.h
+++ b/extern/cgltf.h
@@ -505,6 +505,11 @@ typedef struct cgltf_anisotropy
 	cgltf_texture_view anisotropy_texture;
 } cgltf_anisotropy;
 
+typedef struct cgltf_dispersion
+{
+	cgltf_float dispersion;
+} cgltf_dispersion;
+
 typedef struct cgltf_material
 {
 	char* name;
@@ -519,6 +524,7 @@ typedef struct cgltf_material
 	cgltf_bool has_emissive_strength;
 	cgltf_bool has_iridescence;
 	cgltf_bool has_anisotropy;
+	cgltf_bool has_dispersion;
 	cgltf_pbr_metallic_roughness pbr_metallic_roughness;
 	cgltf_pbr_specular_glossiness pbr_specular_glossiness;
 	cgltf_clearcoat clearcoat;
@@ -530,6 +536,7 @@ typedef struct cgltf_material
 	cgltf_emissive_strength emissive_strength;
 	cgltf_iridescence iridescence;
 	cgltf_anisotropy anisotropy;
+	cgltf_dispersion dispersion;
 	cgltf_texture_view normal_texture;
 	cgltf_texture_view occlusion_texture;
 	cgltf_texture_view emissive_texture;
@@ -4297,6 +4304,37 @@ static int cgltf_parse_json_anisotropy(cgltf_options* options, jsmntok_t const*
 	return i;
 }
 
+static int cgltf_parse_json_dispersion(jsmntok_t const* tokens, int i, const uint8_t* json_chunk, cgltf_dispersion* out_dispersion)
+{
+	CGLTF_CHECK_TOKTYPE(tokens[i], JSMN_OBJECT);
+	int size = tokens[i].size;
+	++i;
+
+
+	for (int j = 0; j < size; ++j)
+	{
+		CGLTF_CHECK_KEY(tokens[i]);
+
+		if (cgltf_json_strcmp(tokens + i, json_chunk, "dispersion") == 0)
+		{
+			++i;
+			out_dispersion->dispersion = cgltf_json_to_float(tokens + i, json_chunk);
+			++i;
+		}
+		else
+		{
+			i = cgltf_skip_json(tokens, i + 1);
+		}
+
+		if (i < 0)
+		{
+			return i;
+		}
+	}
+
+	return i;
+}
+
 static int cgltf_parse_json_image(cgltf_options* options, jsmntok_t const* tokens, int i, const uint8_t* json_chunk, cgltf_image* out_image)
 {
 	CGLTF_CHECK_TOKTYPE(tokens[i], JSMN_OBJECT);
@@ -4690,6 +4728,11 @@ static int cgltf_parse_json_material(cgltf_options* options, jsmntok_t const* to
 					out_material->has_anisotropy = 1;
 					i = cgltf_parse_json_anisotropy(options, tokens, i + 1, json_chunk, &out_material->anisotropy);
 				}
+				else if (cgltf_json_strcmp(tokens + i, json_chunk, "KHR_materials_dispersion") == 0)
+				{
+					out_material->has_dispersion = 1;
+					i = cgltf_parse_json_dispersion(tokens, i + 1, json_chunk, &out_material->dispersion);
+				}
 				else
 				{
 					i = cgltf_parse_json_unprocessed_extension(options, tokens, i, json_chunk, &(out_material->extensions[out_material->extensions_count++]));
diff --git a/gltf/README.md b/gltf/README.md
index 5a115a2781..3319210e00 100644
--- a/gltf/README.md
+++ b/gltf/README.md
@@ -69,6 +69,7 @@ gltfpack supports most Khronos extensions and some multi-vendor extensions in th
 - KHR_lights_punctual
 - KHR_materials_anisotropy
 - KHR_materials_clearcoat
+- KHR_materials_dispersion
 - KHR_materials_emissive_strength
 - KHR_materials_ior
 - KHR_materials_iridescence
diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 633ff958ee..b20103d3ba 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -439,6 +439,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	bool ext_emissive_strength = false;
 	bool ext_iridescence = false;
 	bool ext_anisotropy = false;
+	bool ext_dispersion = false;
 	bool ext_unlit = false;
 	bool ext_instancing = false;
 	bool ext_texture_transform = false;
@@ -537,6 +538,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		ext_emissive_strength = ext_emissive_strength || material.has_emissive_strength;
 		ext_iridescence = ext_iridescence || material.has_iridescence;
 		ext_anisotropy = ext_anisotropy || material.has_anisotropy;
+		ext_dispersion = ext_dispersion || material.has_dispersion;
 		ext_unlit = ext_unlit || material.unlit;
 		ext_texture_transform = ext_texture_transform || mi.usesTextureTransform;
 	}
@@ -826,6 +828,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	    {"KHR_materials_emissive_strength", ext_emissive_strength, false},
 	    {"KHR_materials_iridescence", ext_iridescence, false},
 	    {"KHR_materials_anisotropy", ext_anisotropy, false},
+	    {"KHR_materials_dispersion", ext_dispersion, false},
 	    {"KHR_materials_unlit", ext_unlit, false},
 	    {"KHR_materials_variants", data->variants_count > 0, false},
 	    {"KHR_lights_punctual", data->lights_count > 0, false},
diff --git a/gltf/material.cpp b/gltf/material.cpp
index 9b1ad14a3b..7db0e20f28 100644
--- a/gltf/material.cpp
+++ b/gltf/material.cpp
@@ -232,6 +232,14 @@ static bool areMaterialComponentsEqual(const cgltf_anisotropy& lhs, const cgltf_
 	return true;
 }
 
+static bool areMaterialComponentsEqual(const cgltf_dispersion& lhs, const cgltf_dispersion& rhs)
+{
+	if (lhs.dispersion != rhs.dispersion)
+		return false;
+
+	return true;
+}
+
 static bool areMaterialsEqual(const cgltf_material& lhs, const cgltf_material& rhs, const Settings& settings)
 {
 	if (lhs.has_pbr_metallic_roughness != rhs.has_pbr_metallic_roughness)
@@ -300,6 +308,12 @@ static bool areMaterialsEqual(const cgltf_material& lhs, const cgltf_material& r
 	if (lhs.has_anisotropy && !areMaterialComponentsEqual(lhs.anisotropy, rhs.anisotropy))
 		return false;
 
+	if (lhs.has_dispersion != rhs.has_dispersion)
+		return false;
+
+	if (lhs.has_dispersion && !areMaterialComponentsEqual(lhs.dispersion, rhs.dispersion))
+		return false;
+
 	if (!areTextureViewsEqual(lhs.normal_texture, rhs.normal_texture))
 		return false;
 
diff --git a/gltf/write.cpp b/gltf/write.cpp
index 5d07bf5e8f..413c96eced 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -580,6 +580,17 @@ static void writeMaterialComponent(std::string& json, const cgltf_data* data, co
 	append(json, "}");
 }
 
+static void writeMaterialComponent(std::string& json, const cgltf_data* data, const cgltf_dispersion& tm)
+{
+	(void)data;
+
+	comma(json);
+	append(json, "\"KHR_materials_dispersion\":{");
+	append(json, "\"dispersion\":");
+	append(json, tm.dispersion);
+	append(json, "}");
+}
+
 void writeMaterial(std::string& json, const cgltf_data* data, const cgltf_material& material, const QuantizationPosition* qp, const QuantizationTexture* qt, std::vector<TextureInfo>& textures)
 {
 	if (material.name && *material.name)
@@ -649,7 +660,7 @@ void writeMaterial(std::string& json, const cgltf_data* data, const cgltf_materi
 		append(json, "\"doubleSided\":true");
 	}
 
-	if (material.has_pbr_specular_glossiness || material.has_clearcoat || material.has_transmission || material.has_ior || material.has_specular || material.has_sheen || material.has_volume || material.has_emissive_strength || material.has_iridescence || material.has_anisotropy || material.unlit)
+	if (material.has_pbr_specular_glossiness || material.has_clearcoat || material.has_transmission || material.has_ior || material.has_specular || material.has_sheen || material.has_volume || material.has_emissive_strength || material.has_iridescence || material.has_anisotropy || material.has_dispersion || material.unlit)
 	{
 		comma(json);
 		append(json, "\"extensions\":{");
@@ -704,6 +715,11 @@ void writeMaterial(std::string& json, const cgltf_data* data, const cgltf_materi
 			writeMaterialComponent(json, data, material.anisotropy, qt, textures);
 		}
 
+		if (material.has_dispersion)
+		{
+			writeMaterialComponent(json, data, material.dispersion);
+		}
+
 		if (material.unlit)
 		{
 			comma(json);

From 1b34f94ff4a322ed38673d84c9f76b86524f90b3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 19 Feb 2024 17:50:46 -0800
Subject: [PATCH 032/581] demo: Switch processDev to meshlets

There's some enhancements to stats and/or algorithm that are pending.
---
 demo/main.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index cdfe831ee2..f56660fc16 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -1242,7 +1242,11 @@ void processDev(const char* path)
 	if (!loadMesh(mesh, path))
 		return;
 
-	simplifyAttr(mesh);
+	Mesh copy = mesh;
+	meshopt_optimizeVertexCache(&copy.indices[0], &copy.indices[0], copy.indices.size(), copy.vertices.size());
+	meshopt_optimizeVertexFetch(&copy.vertices[0], &copy.indices[0], copy.indices.size(), &copy.vertices[0], copy.vertices.size(), sizeof(Vertex));
+
+	meshlets(copy, false);
 }
 
 int main(int argc, char** argv)

From 6af78948142fb3243cdaed71f510606317a74f79 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 18 Mar 2024 18:11:29 -0700
Subject: [PATCH 033/581] Update feature_request.md

Gently nudge more towards Discussions.
---
 .github/ISSUE_TEMPLATE/feature_request.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md
index 83826c668c..910caa9d10 100644
--- a/.github/ISSUE_TEMPLATE/feature_request.md
+++ b/.github/ISSUE_TEMPLATE/feature_request.md
@@ -1,6 +1,6 @@
 ---
 name: Feature request
-about: Suggest an idea for this project
+about: Suggest a feature for this project; please use GitHub Discussions if your idea is not sufficiently concrete
 title: ''
 labels: enhancement
 assignees: ''

From b691790ab490da7b19973b1f8606a0d3342148a7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 19 Mar 2024 13:53:44 -0700
Subject: [PATCH 034/581] Work around ASLR+ASAN incompatibility

We need to set rnd_bits to 28 for all ASAN executables to run without
issues now.
---
 .github/workflows/build.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 08cf4b9d92..f537e59d06 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,6 +19,9 @@ jobs:
     runs-on: ${{matrix.os.version}}
     steps:
     - uses: actions/checkout@v4
+    - name: work around ASLR+ASAN compatibility
+      run: sudo sysctl -w vm.mmap_rnd_bits=28
+      if: matrix.os.name == 'ubuntu'
     - name: make test
       run: |
         make -j2 config=sanitize test
@@ -74,6 +77,8 @@ jobs:
       with:
         repository: KhronosGroup/glTF-Sample-Assets
         path: glTF-Sample-Assets
+    - name: work around ASLR+ASAN compatibility
+      run: sudo sysctl -w vm.mmap_rnd_bits=28
     - name: make
       run: make -j2 config=sanitize gltfpack
     - name: test

From bad4d6bd7d9bf604b6df5256f0ec5f0bf27a089f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 29 Mar 2024 20:46:23 -0700
Subject: [PATCH 035/581] clusterizer: Implement experimental meshlet optimizer

So far we were mostly concerned with meshlet clustering from the
perspective of treating meshlets as an unordered set of triangles; while
this matches the computational and documented model, this may not be
optimal for a given GPU.

Notably, NVidia GPUs are much more sensitive to the order of triangles
in the meshlet than to the number and fill percentage; so much so that
from pure rasterization performance, scan may win over proper clustering
because it implicitly generates a better order.

We do not know the precise criteria / mechanism that NV GPUs use here
but it helps to do locality optimization; most importantly, triangle
order, but also reordering meshlet-local vertices helps a little bit.

This change implements a simple meshlet optimizer; while this can also
be achieved by running existing optimization algorithms (vcache /
vfetch) on meshlet data, a custom optimizer is faster even when using
unoptimized quadratic implementation, and may allow us to implement
better locality reodering algorithms in the future assuming a small
input patch.

For now we just select the next triangle to maximize the number of
shared vertices with the previous triangle; this results in a
pseudo-strip order which seems reasonably optimal for NV; note that
neither the hardware nor this algorithm is concerned with the specifics
of edge matching as it doesn't seem to matter for performance.
---
 src/clusterizer.cpp | 78 +++++++++++++++++++++++++++++++++++++++++++++
 src/meshoptimizer.h | 10 ++++++
 2 files changed, 88 insertions(+)

diff --git a/src/clusterizer.cpp b/src/clusterizer.cpp
index c4672ad606..555cd10866 100644
--- a/src/clusterizer.cpp
+++ b/src/clusterizer.cpp
@@ -882,3 +882,81 @@ meshopt_Bounds meshopt_computeMeshletBounds(const unsigned int* meshlet_vertices
 
 	return meshopt_computeClusterBounds(indices, triangle_count * 3, vertex_positions, vertex_count, vertex_positions_stride);
 }
+
+void meshopt_optimizeMeshlet(unsigned int* meshlet_vertices, unsigned char* meshlet_triangles, size_t triangle_count, size_t vertex_count)
+{
+	using namespace meshopt;
+
+	assert(triangle_count <= kMeshletMaxTriangles);
+	assert(vertex_count <= kMeshletMaxVertices);
+
+	unsigned char* indices = meshlet_triangles;
+	unsigned int* vertices = meshlet_vertices;
+
+	unsigned char result[kMeshletMaxTriangles * 3];
+
+	unsigned char visited[kMeshletMaxTriangles];
+	memset(visited, 0, triangle_count);
+
+	unsigned char lasta = 0, lastb = 0, lastc = 0;
+
+	for (size_t i = 0; i < triangle_count; ++i)
+	{
+		int next = -1;
+
+		for (int pass = 2; pass >= 0; pass--)
+		{
+			for (size_t j = 0; j < triangle_count; ++j)
+			{
+				if (visited[j])
+					continue;
+
+				unsigned char a = indices[j * 3 + 0], b = indices[j * 3 + 1], c = indices[j * 3 + 2];
+
+				int aok = (a == lasta || a == lastb || a == lastc);
+				int bok = (b == lasta || b == lastb || b == lastc);
+				int cok = (c == lasta || c == lastb || c == lastc);
+
+				if (aok + bok + cok >= pass)
+				{
+					next = (int)j;
+					break;
+				}
+			}
+
+			if (next >= 0)
+				break;
+		}
+
+		assert(next >= 0);
+		visited[next] = 1;
+		result[i * 3 + 0] = lasta = indices[next * 3 + 0];
+		result[i * 3 + 1] = lastb = indices[next * 3 + 1];
+		result[i * 3 + 2] = lastc = indices[next * 3 + 2];
+	}
+
+	memcpy(indices, result, triangle_count * 3);
+
+	unsigned int newv[kMeshletMaxVertices];
+
+	unsigned char remap[kMeshletMaxVertices];
+	memset(remap, -1, vertex_count);
+
+	size_t vertex_offset = 0;
+
+	for (size_t i = 0; i < triangle_count * 3; ++i)
+	{
+		unsigned char& r = remap[indices[i]];
+
+		if (r == 0xff)
+		{
+			r = unsigned(vertex_offset);
+			newv[vertex_offset] = vertices[indices[i]];
+			vertex_offset++;
+		}
+
+		indices[i] = r;
+	}
+
+	memcpy(vertices, newv, vertex_offset * sizeof(unsigned int));
+}
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 0619cec8da..6ab48c1968 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -493,6 +493,16 @@ MESHOPTIMIZER_API size_t meshopt_buildMeshlets(struct meshopt_Meshlet* meshlets,
 MESHOPTIMIZER_API size_t meshopt_buildMeshletsScan(struct meshopt_Meshlet* meshlets, unsigned int* meshlet_vertices, unsigned char* meshlet_triangles, const unsigned int* indices, size_t index_count, size_t vertex_count, size_t max_vertices, size_t max_triangles);
 MESHOPTIMIZER_API size_t meshopt_buildMeshletsBound(size_t index_count, size_t max_vertices, size_t max_triangles);
 
+/**
+ * Experimental: Meshlet optimizer
+ * Reorders meshlet vertices and triangles to maximize locality to improve rasterizer throughput
+ *
+ * meshlet_triangles and meshlet_vertices must refer to meshlet triangle and vertex index data; when buildMeshlets* is used, these
+ * need to be computed from meshlet's vertex_offset and triangle_offset
+ * triangle_count and vertex_count must not exceed implementation limits (vertex_count <= 255 - not 256!, triangle_count <= 512)
+ */
+MESHOPTIMIZER_EXPERIMENTAL void meshopt_optimizeMeshlet(unsigned int* meshlet_vertices, unsigned char* meshlet_triangles, size_t triangle_count, size_t vertex_count);
+
 struct meshopt_Bounds
 {
 	/* bounding sphere, useful for frustum and occlusion culling */

From b38693e3d1a8f0fa2500a6bed8d1d539574d10ff Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 29 Mar 2024 20:54:29 -0700
Subject: [PATCH 036/581] clusterizer: Use a single pass for meshlet
 optimization

Instead of looking for a triangle with 2 matches and falling back to 1
and 0, unify this and pick the triangle with maximum number of shared
vertices, and early out if we found the best possible match.
---
 src/clusterizer.cpp | 30 ++++++++++++++----------------
 1 file changed, 14 insertions(+), 16 deletions(-)

diff --git a/src/clusterizer.cpp b/src/clusterizer.cpp
index 555cd10866..f47d4442a8 100644
--- a/src/clusterizer.cpp
+++ b/src/clusterizer.cpp
@@ -903,29 +903,27 @@ void meshopt_optimizeMeshlet(unsigned int* meshlet_vertices, unsigned char* mesh
 	for (size_t i = 0; i < triangle_count; ++i)
 	{
 		int next = -1;
+		int next_match = -1;
 
-		for (int pass = 2; pass >= 0; pass--)
+		for (size_t j = 0; j < triangle_count; ++j)
 		{
-			for (size_t j = 0; j < triangle_count; ++j)
-			{
-				if (visited[j])
-					continue;
+			if (visited[j])
+				continue;
 
-				unsigned char a = indices[j * 3 + 0], b = indices[j * 3 + 1], c = indices[j * 3 + 2];
+			unsigned char a = indices[j * 3 + 0], b = indices[j * 3 + 1], c = indices[j * 3 + 2];
 
-				int aok = (a == lasta || a == lastb || a == lastc);
-				int bok = (b == lasta || b == lastb || b == lastc);
-				int cok = (c == lasta || c == lastb || c == lastc);
+			int aok = (a == lasta || a == lastb || a == lastc);
+			int bok = (b == lasta || b == lastb || b == lastc);
+			int cok = (c == lasta || c == lastb || c == lastc);
 
-				if (aok + bok + cok >= pass)
-				{
-					next = (int)j;
+			if (aok + bok + cok > next_match)
+			{
+				next = (int)j;
+				next_match = aok + bok + cok;
+
+				if (next_match == 2)
 					break;
-				}
 			}
-
-			if (next >= 0)
-				break;
 		}
 
 		assert(next >= 0);

From 02c0a0513590293ac03c8b3cfe563e46d028089e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 29 Mar 2024 21:37:02 -0700
Subject: [PATCH 037/581] clusterizer: Switch to a small cache for
 optimizeMeshlet

Instead of only matching against the last triangle, match all previous
triangles by tracking the delta between a given cache position; the
delta is computed using 8-bit unsigned math so that overflows don't
matter as much (there's still a collision between triangles 0 and 256 in
the cache but that shouldn't affect the quality noticeably).

Experimentally, a cutoff of 3 or 4 produce the same results on NVidia so
use 3 for more conservative matching.
---
 src/clusterizer.cpp | 29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

diff --git a/src/clusterizer.cpp b/src/clusterizer.cpp
index f47d4442a8..b8ce768f4e 100644
--- a/src/clusterizer.cpp
+++ b/src/clusterizer.cpp
@@ -898,7 +898,11 @@ void meshopt_optimizeMeshlet(unsigned int* meshlet_vertices, unsigned char* mesh
 	unsigned char visited[kMeshletMaxTriangles];
 	memset(visited, 0, triangle_count);
 
-	unsigned char lasta = 0, lastb = 0, lastc = 0;
+	unsigned char cache[kMeshletMaxVertices];
+	memset(cache, 0, vertex_count);
+
+	unsigned char cache_last = 128;
+	const unsigned char cache_cutoff = 3;
 
 	for (size_t i = 0; i < triangle_count; ++i)
 	{
@@ -911,26 +915,35 @@ void meshopt_optimizeMeshlet(unsigned int* meshlet_vertices, unsigned char* mesh
 				continue;
 
 			unsigned char a = indices[j * 3 + 0], b = indices[j * 3 + 1], c = indices[j * 3 + 2];
+			assert(a < vertex_count && b < vertex_count && c < vertex_count);
 
-			int aok = (a == lasta || a == lastb || a == lastc);
-			int bok = (b == lasta || b == lastb || b == lastc);
-			int cok = (c == lasta || c == lastb || c == lastc);
+			int aok = (unsigned char)(cache_last - cache[a]) < cache_cutoff;
+			int bok = (unsigned char)(cache_last - cache[b]) < cache_cutoff;
+			int cok = (unsigned char)(cache_last - cache[c]) < cache_cutoff;
 
 			if (aok + bok + cok > next_match)
 			{
 				next = (int)j;
 				next_match = aok + bok + cok;
 
-				if (next_match == 2)
+				if (next_match >= 2)
 					break;
 			}
 		}
 
 		assert(next >= 0);
 		visited[next] = 1;
-		result[i * 3 + 0] = lasta = indices[next * 3 + 0];
-		result[i * 3 + 1] = lastb = indices[next * 3 + 1];
-		result[i * 3 + 2] = lastc = indices[next * 3 + 2];
+
+		unsigned char a = indices[next * 3 + 0], b = indices[next * 3 + 1], c = indices[next * 3 + 2];
+
+		result[i * 3 + 0] = a;
+		result[i * 3 + 1] = b;
+		result[i * 3 + 2] = c;
+
+		cache_last++;
+		cache[a] = cache_last;
+		cache[b] = cache_last;
+		cache[c] = cache_last;
 	}
 
 	memcpy(indices, result, triangle_count * 3);

From 5b3456da538af88657316c5a7b291577c87f66fb Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 30 Mar 2024 08:50:27 -0700
Subject: [PATCH 038/581] clusterizer: Fix MSVC warning

---
 src/clusterizer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/clusterizer.cpp b/src/clusterizer.cpp
index b8ce768f4e..595dca30ae 100644
--- a/src/clusterizer.cpp
+++ b/src/clusterizer.cpp
@@ -961,7 +961,7 @@ void meshopt_optimizeMeshlet(unsigned int* meshlet_vertices, unsigned char* mesh
 
 		if (r == 0xff)
 		{
-			r = unsigned(vertex_offset);
+			r = (unsigned char)(vertex_offset);
 			newv[vertex_offset] = vertices[indices[i]];
 			vertex_offset++;
 		}

From a12987e898af9e806563f6856ac29ef26a32c9ad Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 30 Mar 2024 19:07:20 -0700
Subject: [PATCH 039/581] demo: Add usage examples for meshopt_optimizeMeshlet

Mention this in README as a recommended post-processing step and add to
meshlet processing pipeline for coverage.
---
 README.md     | 6 ++++++
 demo/main.cpp | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/README.md b/README.md
index 28e49393ed..c42f7c18ff 100644
--- a/README.md
+++ b/README.md
@@ -330,6 +330,12 @@ meshlets.resize(meshlet_count);
 
 However depending on the application other strategies of storing the data can be useful; for example, `meshlet_vertices` serves as indices into the original vertex buffer but it might be worthwhile to generate a mini vertex buffer for each meshlet to remove the extra indirection when accessing vertex data, or it might be desirable to compress vertex data as vertices in each meshlet are likely to be very spatially coherent.
 
+For optimal performance, it is recommended to further optimize each meshlet in isolation for better triangle and vertex locality by calling `meshopt_optimizeMeshlet` on vertex and index data like so:
+
+```c++
+meshopt_optimizeMeshlet(&meshlet_vertices[m.vertex_offset], &meshlet_triangles[m.triangle_offset], m.triangle_count, m.vertex_count);
+```
+
 After generating the meshlet data, it's also possible to generate extra data for each meshlet that can be saved and used at runtime to perform cluster culling, where each meshlet can be discarded if it's guaranteed to be invisible. To generate the data, `meshlet_computeMeshletBounds` can be used:
 
 ```c++
diff --git a/demo/main.cpp b/demo/main.cpp
index f56660fc16..457865e021 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -866,6 +866,9 @@ void meshlets(const Mesh& mesh, bool scan)
 	else
 		meshlets.resize(meshopt_buildMeshlets(&meshlets[0], &meshlet_vertices[0], &meshlet_triangles[0], &mesh.indices[0], mesh.indices.size(), &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), max_vertices, max_triangles, cone_weight));
 
+	for (size_t i = 0; i < meshlets.size(); ++i)
+		meshopt_optimizeMeshlet(&meshlet_vertices[meshlets[i].vertex_offset], &meshlet_triangles[meshlets[i].triangle_offset], meshlets[i].triangle_count, meshlets[i].vertex_count);
+
 	if (meshlets.size())
 	{
 		const meshopt_Meshlet& last = meshlets.back();

From 49e18b0151a907cde6f9550001131b5ee38c772d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 30 Mar 2024 19:54:56 -0700
Subject: [PATCH 040/581] clusterizer: Optimize triangle reordering

Instead of tracking visited triangles, maintain an invariant where an
increasing prefix of the triangle array is ordered properly. While it
would be possible to maintain this by swapping the first triangle with
the one we picked at every iteration, this distorts the selection order
in an odd way that may reduce the quality of the generated sequence, and
memmove is fairly fast in practice given that we've already scanned over
the region we are about to move anyhow.

This makes optimization ~40% faster while producing the same results.
---
 src/clusterizer.cpp | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)

diff --git a/src/clusterizer.cpp b/src/clusterizer.cpp
index 595dca30ae..4c0c6f2e9d 100644
--- a/src/clusterizer.cpp
+++ b/src/clusterizer.cpp
@@ -893,11 +893,6 @@ void meshopt_optimizeMeshlet(unsigned int* meshlet_vertices, unsigned char* mesh
 	unsigned char* indices = meshlet_triangles;
 	unsigned int* vertices = meshlet_vertices;
 
-	unsigned char result[kMeshletMaxTriangles * 3];
-
-	unsigned char visited[kMeshletMaxTriangles];
-	memset(visited, 0, triangle_count);
-
 	unsigned char cache[kMeshletMaxVertices];
 	memset(cache, 0, vertex_count);
 
@@ -909,11 +904,8 @@ void meshopt_optimizeMeshlet(unsigned int* meshlet_vertices, unsigned char* mesh
 		int next = -1;
 		int next_match = -1;
 
-		for (size_t j = 0; j < triangle_count; ++j)
+		for (size_t j = i; j < triangle_count; ++j)
 		{
-			if (visited[j])
-				continue;
-
 			unsigned char a = indices[j * 3 + 0], b = indices[j * 3 + 1], c = indices[j * 3 + 2];
 			assert(a < vertex_count && b < vertex_count && c < vertex_count);
 
@@ -932,13 +924,14 @@ void meshopt_optimizeMeshlet(unsigned int* meshlet_vertices, unsigned char* mesh
 		}
 
 		assert(next >= 0);
-		visited[next] = 1;
 
 		unsigned char a = indices[next * 3 + 0], b = indices[next * 3 + 1], c = indices[next * 3 + 2];
 
-		result[i * 3 + 0] = a;
-		result[i * 3 + 1] = b;
-		result[i * 3 + 2] = c;
+		memmove(indices + (i + 1) * 3, indices + i * 3, (next - i) * 3 * sizeof(unsigned char));
+
+		indices[i * 3 + 0] = a;
+		indices[i * 3 + 1] = b;
+		indices[i * 3 + 2] = c;
 
 		cache_last++;
 		cache[a] = cache_last;
@@ -946,8 +939,6 @@ void meshopt_optimizeMeshlet(unsigned int* meshlet_vertices, unsigned char* mesh
 		cache[c] = cache_last;
 	}
 
-	memcpy(indices, result, triangle_count * 3);
-
 	unsigned int newv[kMeshletMaxVertices];
 
 	unsigned char remap[kMeshletMaxVertices];

From 8332f4d5c89675fec65802a65423e2773b81d6d8 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 30 Mar 2024 20:05:45 -0700
Subject: [PATCH 041/581] clusterizer: Add comments to meshopt_optimizeMeshlet

Most of the code is fairly straightforward but some decisions may not be
obvious so let's document them. Also renames newv[] to order[] for
cleanliness.
---
 src/clusterizer.cpp | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/clusterizer.cpp b/src/clusterizer.cpp
index 4c0c6f2e9d..be8c2c2db1 100644
--- a/src/clusterizer.cpp
+++ b/src/clusterizer.cpp
@@ -893,11 +893,13 @@ void meshopt_optimizeMeshlet(unsigned int* meshlet_vertices, unsigned char* mesh
 	unsigned char* indices = meshlet_triangles;
 	unsigned int* vertices = meshlet_vertices;
 
+	// cache tracks vertex timestamps (corresponding to triangle index! all 3 vertices are added at the same time and never removed)
 	unsigned char cache[kMeshletMaxVertices];
 	memset(cache, 0, vertex_count);
 
+	// note that we start from a value that means all vertices aren't in cache
 	unsigned char cache_last = 128;
-	const unsigned char cache_cutoff = 3;
+	const unsigned char cache_cutoff = 3; // 3 triangles = ~5..9 vertices depending on reuse
 
 	for (size_t i = 0; i < triangle_count; ++i)
 	{
@@ -909,6 +911,8 @@ void meshopt_optimizeMeshlet(unsigned int* meshlet_vertices, unsigned char* mesh
 			unsigned char a = indices[j * 3 + 0], b = indices[j * 3 + 1], c = indices[j * 3 + 2];
 			assert(a < vertex_count && b < vertex_count && c < vertex_count);
 
+			// score each triangle by how many vertices are in cache
+			// note: the distance is computed using unsigned 8-bit values, so cache timestamp overflow is handled gracefully
 			int aok = (unsigned char)(cache_last - cache[a]) < cache_cutoff;
 			int bok = (unsigned char)(cache_last - cache[b]) < cache_cutoff;
 			int cok = (unsigned char)(cache_last - cache[c]) < cache_cutoff;
@@ -918,6 +922,7 @@ void meshopt_optimizeMeshlet(unsigned int* meshlet_vertices, unsigned char* mesh
 				next = (int)j;
 				next_match = aok + bok + cok;
 
+				// note that we could end up with all 3 vertices in the cache, but 2 is enough for ~strip traversal
 				if (next_match >= 2)
 					break;
 			}
@@ -927,19 +932,23 @@ void meshopt_optimizeMeshlet(unsigned int* meshlet_vertices, unsigned char* mesh
 
 		unsigned char a = indices[next * 3 + 0], b = indices[next * 3 + 1], c = indices[next * 3 + 2];
 
+		// shift triangles before the next one forward so that we always keep an ordered partition
+		// note: this could have swapped triangles [i] and [next] but that distorts the order and may skew the output sequence
 		memmove(indices + (i + 1) * 3, indices + i * 3, (next - i) * 3 * sizeof(unsigned char));
 
 		indices[i * 3 + 0] = a;
 		indices[i * 3 + 1] = b;
 		indices[i * 3 + 2] = c;
 
+		// cache timestamp is the same between all vertices of each triangle to reduce overflow
 		cache_last++;
 		cache[a] = cache_last;
 		cache[b] = cache_last;
 		cache[c] = cache_last;
 	}
 
-	unsigned int newv[kMeshletMaxVertices];
+	// reorder meshlet vertices for access locality assuming index buffer is scanned sequentially
+	unsigned int order[kMeshletMaxVertices];
 
 	unsigned char remap[kMeshletMaxVertices];
 	memset(remap, -1, vertex_count);
@@ -953,12 +962,13 @@ void meshopt_optimizeMeshlet(unsigned int* meshlet_vertices, unsigned char* mesh
 		if (r == 0xff)
 		{
 			r = (unsigned char)(vertex_offset);
-			newv[vertex_offset] = vertices[indices[i]];
+			order[vertex_offset] = vertices[indices[i]];
 			vertex_offset++;
 		}
 
 		indices[i] = r;
 	}
 
-	memcpy(vertices, newv, vertex_offset * sizeof(unsigned int));
+	assert(vertex_offset <= vertex_count);
+	memcpy(vertices, order, vertex_offset * sizeof(unsigned int));
 }

From 7fe52743723e9315fdc86ca5050101b63b71e14b Mon Sep 17 00:00:00 2001
From: Sylvester Hesp <github@oisyn.nl>
Date: Wed, 3 Apr 2024 01:26:29 +0200
Subject: [PATCH 042/581] Add API to specify which vertices to lock when
 simplifying (#601)

meshopt_simplifyWithAttributes now takes an optional unsigned char* array that allows to specify a locked flag per vertex.
---
 demo/main.cpp                     |  2 +-
 demo/simplify.html                |  2 +-
 demo/tests.cpp                    |  2 +-
 js/meshopt_simplifier.js          | 39 ++++++++++++++++++-------------
 js/meshopt_simplifier.module.d.ts |  6 ++---
 js/meshopt_simplifier.module.js   | 37 +++++++++++++++++------------
 js/meshopt_simplifier.test.js     |  2 +-
 src/meshoptimizer.h               |  9 +++----
 src/simplifier.cpp                | 19 +++++++++------
 9 files changed, 69 insertions(+), 49 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 457865e021..aeb8256994 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -478,7 +478,7 @@ void simplifyAttr(const Mesh& mesh, float threshold = 0.2f)
 	const float attr_weights[3] = {nrm_weight, nrm_weight, nrm_weight};
 
 	lod.indices.resize(mesh.indices.size()); // note: simplify needs space for index_count elements in the destination array, not target_index_count
-	lod.indices.resize(meshopt_simplifyWithAttributes(&lod.indices[0], &mesh.indices[0], mesh.indices.size(), &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), &mesh.vertices[0].nx, sizeof(Vertex), attr_weights, 3, target_index_count, target_error, 0, &result_error));
+	lod.indices.resize(meshopt_simplifyWithAttributes(&lod.indices[0], &mesh.indices[0], mesh.indices.size(), &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), &mesh.vertices[0].nx, sizeof(Vertex), attr_weights, 3, NULL, target_index_count, target_error, 0, &result_error));
 
 	lod.vertices.resize(lod.indices.size() < mesh.vertices.size() ? lod.indices.size() : mesh.vertices.size()); // note: this is just to reduce the cost of resize()
 	lod.vertices.resize(meshopt_optimizeVertexFetch(&lod.vertices[0], &lod.indices[0], lod.indices.size(), &mesh.vertices[0], mesh.vertices.size(), sizeof(Vertex)));
diff --git a/demo/simplify.html b/demo/simplify.html
index 8f6c9df199..d4b9534470 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -152,7 +152,7 @@
 
 				var res =
 					settings.useAttributes
-					? MeshoptSimplifier.simplifyWithAttributes(indices, positions, stride, attrib, attributes, attrib_weights, target, threshold, flags)
+					? MeshoptSimplifier.simplifyWithAttributes(indices, positions, stride, attrib, attributes, attrib_weights, null, target, threshold, flags)
 					: MeshoptSimplifier.simplify(indices, positions, stride, target, threshold, flags);
 
 				console.timeEnd('simplify');
diff --git a/demo/tests.cpp b/demo/tests.cpp
index e22851eaec..5eb3d6f2b5 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1181,7 +1181,7 @@ static void simplifyAttr()
 	    {12, 14, 21, 21, 14, 23},
 	};
 
-	assert(meshopt_simplifyWithAttributes(ib[0], ib[0], 7 * 2 * 6, vb[0], 8 * 3, 6 * sizeof(float), vb[0] + 3, 6 * sizeof(float), attr_weights, 3, 6 * 3, 1e-2f) == 18);
+	assert(meshopt_simplifyWithAttributes(ib[0], ib[0], 7 * 2 * 6, vb[0], 8 * 3, 6 * sizeof(float), vb[0] + 3, 6 * sizeof(float), attr_weights, 3, NULL, 6 * 3, 1e-2f) == 18);
 	assert(memcmp(ib, expected, sizeof(expected)) == 0);
 }
 
diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 100bee0d90..123fcf4bdb 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -1,12 +1,12 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-var MeshoptSimplifier = (function() {
+var MeshoptSimplifier = (function () {
 	"use strict";
 	// Built with clang version 16.0.0
 	// Built from meshoptimizer 0.20
-	var wasm = 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basIdbMUdbasclfg5aQclfIdba5IdbMUdbascwfg5aQcwfIdba5IdbMUdbascxfgsaQcxfIdbasIdbMUdbaLczfhLa8Acufg8AmbkkaOcwfhLdndndndnaEaKfgQRbbc9: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:cjjjbkdnamTmbama8Y:rUdbkaPyd9OgscdtaPcwffc98fhCdninasTmeaCydbcbyd:m:jjjbH:bjjjbbaCc98fhCascufhsxbkkaPc;W;abf8Kjjjjbadk;:ieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbarcearce0EhdinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfheadcufgdmbkkabydbcbBdbk:Zldouv998Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdnadTmbaicd4hvdnabTmbavcdthocbhraehwinabarcx2fgiaearav2cdtfgDIdbUdbaiaDIdlUdlaiaDIdwUdwcbhiinalczfaifgDawaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkawaofhwarcefgrad9hmbxdkkavcdthrcbhwincbhiinalczfaifgDaeaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkaearfheawcefgwad9hmbkkdnabTmbadTmbJbbbbJbbjZalIdbalIdzgk:tJbbbb:xgqalIdlalIdCgx:tgmamaq9DEgqalIdwalIdKgm:tgPaPaq9DEgq:vaqJbbbb9BEhqinabaqabIdbak:tNUdbabclfgiaqaiIdbax:tNUdbabcwfgiaqaiIdbam:tNUdbabcxfhbadcufgdmbkkk8KbabaeadaialavcbcbcbcbaoarawaDz:bjjjbk8KbabaeadaialavaoarawaDaqakaxamz:bjjjbk;lOowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcwfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd1:jjjbHjjjjbbgqBdwawceBd9Oaqaeadaiz:djjjbawcuadcdtadcFFFFi0Egkcbyd1:jjjbHjjjjbbgxBdxawcdBd9Oadcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd1:jjjbHjjjjbbgsBdzawciBd9Odndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd1:jjjbHjjjjbbg5BdCawclBd9OdndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd1:jjjbHjjjjbbgeBdKawcvBd9Oaecbaiz:ljjjbhOavcd4hxdnadTmbaxcdth3a5hmalhAaqheadhEinaOamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaAc;81jjbalEgCIdbaiIdxMUdxaiaCIdlaiIdzMUdzaiaCIdwaiIdCMUdCaiaiIdKJbbjZMUdKamclfhmaAa3fhAaecxfheaEcufgEmbkkdnaDTmbaOcxfhiaDheinaictfgmamIdbJbbbbJbbjZaicxfIdbgH:vaHJbbbb9BEgHNUdbaic94fgmaHamIdbNUdbaic98fgmaHamIdbNUdbaiaHaiIdbNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd1:jjjbHjjjjbbgeBd3awcoBd9Oawaicbyd1:jjjbHjjjjbbgEBdaaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;81jjbalEgmIdwaOa5ydbgCc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aCcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcwffydbcbyd:m:jjjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Qdidui99ducbhi8Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdndnaembJbbjFhvJbbjFhoJbbjFhrxekadcd4cdthwincbhdinalczfadfgDabadfIdbgoaDIdbgrarao9EEUdbaladfgDaoaDIdbgrarao9DEUdbadclfgdcx9hmbkabawfhbaicefgiae9hmbkalIdwalIdK:thralIdlalIdC:thoalIdbalIdz:thvkavJbbbb:xgvaoaoav9DEgoararao9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcifc98GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcrfc94GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd:q:jjjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd:q:jjjbfgdBd:q:jjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:Iedbcjwk1eFFuuFFuuFFuuFFuFFFuFFFuFbbbbbbbbebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc1Dkxebbbdbbb:G9Kbb";
+	var wasm = 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8YNaIaIN:tg8V:va8VJbbbb9BEg8VNh81a8YayNa8NaIN:ta8VNhBa8Xa8SNaRaIN:ta8VNh83a8YaRNa8SaIN:ta8VNhUa8Xa8PNa8RaIN:ta8VNh85a8Ya8RNa8PaIN:ta8VNh86a8Ra8SNa8PaRN:tgIaINaRa8NNa8SayN:tgIaINaya8PNa8Na8RN:tgIaINMM:r:rhIavaAaD2cdtfhKava8JaD2cdtfhLavaYaD2cdtfh5a8W:mh87a80:mh88a8Z:mh89cbhEaDh8EJbbbbh8SJbbbbh8VJbbbbh8XJbbbbh8YJbbbbh8WJbbbbh8ZJbbbbh80Jbbbbh8:JbbbbhZinasc;WbfaEfgzcwfaIaBa5IdbaKIdbg8N:tgRNa81aLIdba8N:tg8PNMgyNUdbazclfaIaUaRNa83a8PNMg8RNUdbazaIa86aRNa85a8PNMgRNUdbazcxfaIa87ayNa88a8RNa8Na89aRNMMMg8NNUdbaIaya8RNNa8YMh8YaIayaRNNa8WMh8WaIa8RaRNNa8ZMh8ZaIa8Na8NNNa8UMh8UaIaya8NNNa8SMh8SaIa8Ra8NNNa8VMh8VaIaRa8NNNa8XMh8XaIayayNNa80Mh80aIa8Ra8RNNa8:Mh8:aIaRaRNNaZMhZaKclfhKa5clfh5aLclfhLaEczfhEa8Ecufg8EmbkaoaXaAcdtfydbgKc8S2fgzaZazIdbMUdbaza8:azIdlMUdlaza80azIdwMUdwaza8ZazIdxMUdxaza8WazIdzMUdzaza8YazIdCMUdCaza8XazIdKMUdKaza8VazId3MUd3aza8SazIdaMUdaaza8UazId8KMUd8KazaIazIdyMUdyaoaXaYcdtfydbgYc8S2fgzaZazIdbMUdbaza8:azIdlMUdlaza80azIdwMUdwaza8ZazIdxMUdxaza8WazIdzMUdzaza8YazIdCMUdCaza8XazIdKMUdKaza8VazId3MUd3aza8SazIdaMUdaaza8UazId8KMUd8KazaIazIdyMUdyaoaXa8JcdtfydbgAc8S2fgzaZazIdbMUdbaza8:azIdlMUdlaza80azIdwMUdwaza8ZazIdxMUdxaza8WazIdzMUdzaza8YazIdCMUdCaza8XazIdKMUdKaza8VazId3MUd3aza8SazIdaMUdaaza8UazId8KMUd8KazaIazIdyMUdyaqaKaD2cltfh8EcbhKaDh5ina8EaKfgzasc;WbfaKfgLIdbazIdbMUdbazclfgEaLclfIdbaEIdbMUdbazcwfgEaLcwfIdbaEIdbMUdbazcxfgzaLcxfIdbazIdbMUdbaKczfhKa5cufg5mbkaqaYaD2cltfh8EcbhKaDh5ina8EaKfgzasc;WbfaKfgLIdbazIdbMUdbazclfgEaLclfIdbaEIdbMUdbazcwfgEaLcwfIdbaEIdbMUdbazcxfgzaLcxfIdbazIdbMUdbaKczfhKa5cufg5mbkaqaAaD2cltfh8EcbhKaDh5ina8EaKfgzasc;WbfaKfgLIdbazIdbMUdbazclfgEaLclfIdbaEIdbMUdbazcwfgEaLcwfIdbaEIdbMUdbazcxfgzaLcxfIdbazIdbMUdbaKczfhKa5cufg5mbka8Acifg8Aad6mbkkdnabaeSmbabaeadcdtz:kjjjb8AkasydbhncbhzdnalTmbanclfhzanydbh5a3hKalhEcbhLincbazydbg8Ea59RaKRbbcpeGEaLfhLaKcefhKazclfhza8Eh5aEcufgEmbkaLce4hzkcuadaz9Rcifgmcx2amc;v:Q;v:Qe0Ecbyd1:jjjbHjjjjbbh8Mascwfasyd9Ogzcdtfa8MBdbasazcefgKBd9OascwfaKcdtfcuamcdtamcFFFFi0Ecbyd1:jjjbHjjjjbbgwBdbasazcdfgKBd9OascwfaKcdtfaCcbyd1:jjjbHjjjjbbgOBdbasazcifgKBd9OascwfaKcdtfalcbyd1:jjjbHjjjjbbgcBdbasazclfBd9OJbbbbh8Zdnadak9nmbdnamci6mbaxaxNh8WaDclth9ca8McwfhJJbbbbh8ZinasabadggalaXz:cjjjbabhAcbhHcbhYincbhzindnaXaAazfydbgLcdtg8AfydbgEaXabazc;m1jjbfydbaYfcdtfydbgKcdtfydbg8ESmba3aKfRbbgecv2a3aLfRbbg5fc;G1jjbfRbbg8La5cv2aefg8Jc;G1jjbfRbbgiVcFeGTmbdna8Jc:W1jjbfRbbTmba8EaE0mekdna5ae9hmba5cufcFeGce0mbaaa8AfydbaK9hmeka8MaHcx2fg5aKaLaicFeGgEEBdla5aLaKaEEBdba5aEa8LGcb9hBdwaHcefhHkazclfgzcx9hmbkdnaYcifgYag9pmbaAcxfhAaHcifam9nmekkdnaHmbaghdxikcbheinJbbbbJbbjZa8FaXa8Maecx2fg5ydlgEa5ydbg8Ea5ydwgKEgYcdtfydbg8Lc8S2gifgzIdygI:vaIJbbbb9BEazIdwa8Ka8EaEaKEg8Acx2fgKIdwgRNazIdzaKIdbg8NNazIdaMgIaIMMaRNazIdlaKIdlg8PNazIdCaRNazId3MgIaIMMa8PNazIdba8NNazIdxa8PNazIdKMgIaIMMa8NNazId8KMMM:lNh8XJbbbbJbbjZa8FaXa8Ecdtfydbgdc8S2gLfgzIdygI:vaIJbbbb9BEazIdwa8KaEcx2fgKIdwg8RNazIdzaKIdbg8UNazIdaMgIaIMMa8RNazIdlaKIdlg8SNazIdCa8RNazId3MgIaIMMa8SNazIdba8UNazIdxa8SNazIdKMgIaIMMa8UNazId8KMMM:lNh8Ya5cwfhAa5clfh8JdnaDTmbaoaLfgLIdwa8RNaLIdza8UNaLIdaMgIaIMMa8RNaLIdla8SNaLIdCa8RNaLId3MgIaIMMa8SNaLIdba8UNaLIdxa8SNaLIdKMgIaIMMa8UNaLId8KMMMhyavaEaD2cdtfhKaqadaD2cltfhzaLIdyh8VaDhLinaKIdbgIJbbb;aNazcxfIdba8RazcwfIdbNa8UazIdbNa8SazclfIdbNMMMNaIaINa8VNayMMhyaKclfhKazczfhzaLcufgLmbkaoaifgLIdwaRNaLIdza8NNaLIdaMgIaIMMaRNaLIdla8PNaLIdCaRNaLId3MgIaIMMa8PNaLIdba8NNaLIdxa8PNaLIdKMgIaIMMa8NNaLId8KMMMh8Rava8AaD2cdtfhKaqa8LaD2cltfhzaLIdyh8UaDhLinaKIdbgIJbbb;aNazcxfIdbaRazcwfIdbNa8NazIdbNa8PazclfIdbNMMMNaIaINa8UNa8RMMh8RaKclfhKazczfhzaLcufgLmbka8Xa8R:lMh8Xa8Yay:lMh8Yka8JaEa8Aa8Ya8X9FgzEBdba5a8EaYazEBdbaAa8Ya8XazEUdbaecefgeaH9hmbkasc;Wbfcbcj;abz:ljjjb8AaJhzaHhKinasc;WbfazydbcO4c;8ZGfgLaLydbcefBdbazcxfhzaKcufgKmbkcbhzcbhKinasc;WbfazfgLydbh5aLaKBdba5aKfhKazclfgzcj;ab9hmbkcbhzaJhKinasc;WbfaKydbcO4c;8ZGfgLaLydbgLcefBdbawaLcdtfazBdbaKcxfhKaHazcefgz9hmbkagak9RgLci9Uh9ednalTmbcbhzaOhKinaKazBdbaKclfhKalazcefgz9hmbkkcbhTaccbalz:ljjjbhSaLcO9Uh9ha9ece4h9iasydlh6cbhicbh8Jdnina8Mawa8Jcdtfydbcx2fgAIdwgya8W9Emeaia9e9pmeJFFuuhIdna9iaH9pmba8Mawa9icdtfydbcx2fIdwJbb;aZNhIkdnayaI9ETmbaia9h0mdkdnaSaXaAydlg9kcdtg0fydbg5fg9mRbbaSaXaAydbgYcdtg9nfydbg9ofg9pRbbVmbdnana9ocdtfgzclfydbgKazydbgzSmbaKaz9Rh8Ea6azcitfhza8Ka5cx2fg8Acwfhda8AclfhCa8Ka9ocx2fg8Lcwfhra8Lclfh9qcbhKcehednindnaOazydbcdtfydbgLa5SmbaOazclfydbcdtfydbgEa5SmbaLaESmba8KaEcx2fgEIdba8KaLcx2fgLIdbg8R:tgIa9qIdbaLIdlgR:tg8NNa8LIdba8R:tg8PaEIdlaR:tgyN:taIaCIdbaR:tg8UNa8AIdba8R:tg8SayN:tNayarIdbaLIdwgR:tg8VNa8NaEIdwaR:tg8RN:tayadIdbaR:tgRNa8Ua8RN:tNa8Ra8PNa8VaIN:ta8Ra8SNaRaIN: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:fPdebdkaYhzinaOazcdtgzfa5BdbaQazfydbgzaY9hmbxikkaQa0fydbhzaQa9nfydbhYaOa9nfa9kBdbazh9kkaOaYcdtfa9kBdbka9pce86bba9mce86bbaKIdbgIa8Za8ZaI9DEh8ZaTcefhTcecdaLRbbceSEaifhika8Jcefg8JaH9hmbkkdnaTmbaghdxikdnalTmbcbhKaahzindnazydbgLcuSmbdnaKaOaLcdtg5fydbgL9hmbaaa5fydbhLkazaLBdbkazclfhzalaKcefgK9hmbkcbhKahhzindnazydbgLcuSmbdnaKaOaLcdtg5fydbgL9hmbaha5fydbhLkazaLBdbkazclfhzalaKcefgK9hmbkkcbhdabhzcbhEindnaOazydbcdtfydbgKaOazclfydbcdtfydbgLSmbaKaOazcwfydbcdtfydbg5SmbaLa5Smbabadcdtfg8EaKBdba8EclfaLBdba8Ecwfa5BdbadcifhdkazcxfhzaEcifgEag6mbkadak9nmdxbkkasabadalaXz:cjjjbkdnaPTmbaPa8Z:rUdbkasyd9Ogzcdtascwffc98fhXdninazTmeaXydbcbyd:m:jjjbH:bjjjbbaXc98fhXazcufhzxbkkasc;W;abf8Kjjjjbadk;:ieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbarcearce0EhdinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfheadcufgdmbkkabydbcbBdbk:Zldouv998Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdnadTmbaicd4hvdnabTmbavcdthocbhraehwinabarcx2fgiaearav2cdtfgDIdbUdbaiaDIdlUdlaiaDIdwUdwcbhiinalczfaifgDawaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkawaofhwarcefgrad9hmbxdkkavcdthrcbhwincbhiinalczfaifgDaeaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkaearfheawcefgwad9hmbkkdnabTmbadTmbJbbbbJbbjZalIdbalIdzgk:tJbbbb:xgqalIdlalIdCgx:tgmamaq9DEgqalIdwalIdKgm:tgPaPaq9DEgq:vaqJbbbb9BEhqinabaqabIdbak:tNUdbabclfgiaqaiIdbax:tNUdbabcwfgiaqaiIdbam:tNUdbabcxfhbadcufgdmbkkk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;lOowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcwfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd1:jjjbHjjjjbbgqBdwawceBd9Oaqaeadaiz:djjjbawcuadcdtadcFFFFi0Egkcbyd1:jjjbHjjjjbbgxBdxawcdBd9Oadcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd1:jjjbHjjjjbbgsBdzawciBd9Odndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd1:jjjbHjjjjbbg5BdCawclBd9OdndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd1:jjjbHjjjjbbgeBdKawcvBd9Oaecbaiz:ljjjbhOavcd4hxdnadTmbaxcdth3a5hmalhAaqheadhEinaOamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaAc;81jjbalEgCIdbaiIdxMUdxaiaCIdlaiIdzMUdzaiaCIdwaiIdCMUdCaiaiIdKJbbjZMUdKamclfhmaAa3fhAaecxfheaEcufgEmbkkdnaDTmbaOcxfhiaDheinaictfgmamIdbJbbbbJbbjZaicxfIdbgH:vaHJbbbb9BEgHNUdbaic94fgmaHamIdbNUdbaic98fgmaHamIdbNUdbaiaHaiIdbNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd1:jjjbHjjjjbbgeBd3awcoBd9Oawaicbyd1:jjjbHjjjjbbgEBdaaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;81jjbalEgmIdwaOa5ydbgCc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aCcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcwffydbcbyd:m:jjjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Qdidui99ducbhi8Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdndnaembJbbjFhvJbbjFhoJbbjFhrxekadcd4cdthwincbhdinalczfadfgDabadfIdbgoaDIdbgrarao9EEUdbaladfgDaoaDIdbgrarao9DEUdbadclfgdcx9hmbkabawfhbaicefgiae9hmbkalIdwalIdK:thralIdlalIdC:thoalIdbalIdz:thvkavJbbbb:xgvaoaoav9DEgoararao9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcifc98GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcrfc94GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd:q:jjjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd:q:jjjbfgdBd:q:jjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:Iedbcjwk1eFFuuFFuuFFuuFFuFFFuFFFuFbbbbbbbbebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc1Dkxebbbdbbb:G9Kbb";
 
-	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
+	var wasmpack = new Uint8Array([32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67, 24, 23, 146, 148, 18, 14, 22, 45, 70, 69, 56, 114, 101, 21, 25, 63, 75, 136, 108, 28, 118, 29, 73, 115]);
 
 	if (typeof WebAssembly !== 'object') {
 		return {
@@ -18,10 +18,10 @@ var MeshoptSimplifier = (function() {
 
 	var ready =
 		WebAssembly.instantiate(unpack(wasm), {})
-		.then(function(result) {
-			instance = result.instance;
-			instance.exports.__wasm_call_ctors();
-		});
+			.then(function (result) {
+				instance = result.instance;
+				instance.exports.__wasm_call_ctors();
+			});
 
 	function unpack(data) {
 		var result = new Uint8Array(data.length);
@@ -96,7 +96,7 @@ var MeshoptSimplifier = (function() {
 		return [target, error[0]];
 	}
 
-	function simplifyAttr(fun, indices, index_count, vertex_positions, vertex_count, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, target_index_count, target_error, options) {
+	function simplifyAttr(fun, indices, index_count, vertex_positions, vertex_count, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, vertex_lock, target_index_count, target_error, options) {
 		var sbrk = instance.exports.sbrk;
 		var te = sbrk(4);
 		var ti = sbrk(index_count * 4);
@@ -104,12 +104,15 @@ var MeshoptSimplifier = (function() {
 		var sa = sbrk(vertex_count * vertex_attributes_stride);
 		var sw = sbrk(attribute_weights.length * 4);
 		var si = sbrk(index_count * 4);
+		var vl = vertex_lock && sbrk(vertex_count);
 		var heap = new Uint8Array(instance.exports.memory.buffer);
 		heap.set(bytes(vertex_positions), sp);
 		heap.set(bytes(vertex_attributes), sa);
 		heap.set(bytes(attribute_weights), sw);
 		heap.set(bytes(indices), si);
-		var result = fun(ti, si, index_count, sp, vertex_count, vertex_positions_stride, sa, vertex_attributes_stride, sw, attribute_weights.length, target_index_count, target_error, options, te);
+		if (vertex_lock)
+			heap.set(bytes(vertex_lock), vl);
+		var result = fun(ti, si, index_count, sp, vertex_count, vertex_positions_stride, sa, vertex_attributes_stride, sw, attribute_weights.length, vl, target_index_count, target_error, options, te);
 		// heap may have grown
 		heap = new Uint8Array(instance.exports.memory.buffer);
 		var target = new Uint32Array(result);
@@ -161,7 +164,7 @@ var MeshoptSimplifier = (function() {
 		// note that these functions are experimental and may change interface/behavior in a way that will require revising calling code
 		useExperimentalFeatures: false,
 
-		compactMesh: function(indices) {
+		compactMesh: function (indices) {
 			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
 			assert(indices.length % 3 == 0);
 
@@ -169,7 +172,7 @@ var MeshoptSimplifier = (function() {
 			return reorder(instance.exports.meshopt_optimizeVertexFetchRemap, indices32, maxindex(indices) + 1);
 		},
 
-		simplify: function(indices, vertex_positions, vertex_positions_stride, target_index_count, target_error, flags) {
+		simplify: function (indices, vertex_positions, vertex_positions_stride, target_index_count, target_error, flags) {
 			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
 			assert(indices.length % 3 == 0);
 			assert(vertex_positions instanceof Float32Array);
@@ -191,7 +194,7 @@ var MeshoptSimplifier = (function() {
 			return result;
 		},
 
-		simplifyWithAttributes: function(indices, vertex_positions, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, target_index_count, target_error, flags) {
+		simplifyWithAttributes: function (indices, vertex_positions, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, vertex_lock, target_index_count, target_error, flags) {
 			assert(this.useExperimentalFeatures); // set useExperimentalFeatures to use this; note that this function is experimental and may change interface in a way that will require revising calling code
 			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
 			assert(indices.length % 3 == 0);
@@ -201,6 +204,7 @@ var MeshoptSimplifier = (function() {
 			assert(vertex_attributes instanceof Float32Array);
 			assert(vertex_attributes.length % vertex_attributes_stride == 0);
 			assert(vertex_attributes_stride >= 0);
+			assert(vertex_lock == null || vertex_lock.length == vertex_positions.length);
 			assert(target_index_count >= 0 && target_index_count <= indices.length);
 			assert(target_index_count % 3 == 0);
 			assert(target_error >= 0 && target_error <= 1);
@@ -213,21 +217,24 @@ var MeshoptSimplifier = (function() {
 				options |= simplifyOptions[flags[i]];
 			}
 
+			if (vertex_lock)
+				vertex_lock = new Uint8Array(vertex_lock);
+
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
-			var result = simplifyAttr(instance.exports.meshopt_simplifyWithAttributes, indices32, indices.length, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, vertex_attributes, vertex_attributes_stride * 4, new Float32Array(attribute_weights), target_index_count, target_error, options);
+			var result = simplifyAttr(instance.exports.meshopt_simplifyWithAttributes, indices32, indices.length, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, vertex_attributes, vertex_attributes_stride * 4, new Float32Array(attribute_weights), vertex_lock, target_index_count, target_error, options);
 			result[0] = (indices instanceof Uint32Array) ? result[0] : new indices.constructor(result[0]);
 
 			return result;
 		},
 
-		getScale: function(vertex_positions, vertex_positions_stride) {
+		getScale: function (vertex_positions, vertex_positions_stride) {
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
 			assert(vertex_positions_stride >= 3);
 			return simplifyScale(instance.exports.meshopt_simplifyScale, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4);
 		},
 
-		simplifyPoints: function(vertex_positions, vertex_positions_stride, target_vertex_count, vertex_colors, vertex_colors_stride, color_weight) {
+		simplifyPoints: function (vertex_positions, vertex_positions_stride, target_vertex_count, vertex_colors, vertex_colors_stride, color_weight) {
 			assert(this.useExperimentalFeatures); // set useExperimentalFeatures to use this; note that this function is experimental and may change interface in a way that will require revising calling code
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
@@ -250,7 +257,7 @@ var MeshoptSimplifier = (function() {
 if (typeof exports === 'object' && typeof module === 'object')
 	module.exports = MeshoptSimplifier;
 else if (typeof define === 'function' && define['amd'])
-	define([], function() {
+	define([], function () {
 		return MeshoptSimplifier;
 	});
 else if (typeof exports === 'object')
diff --git a/js/meshopt_simplifier.module.d.ts b/js/meshopt_simplifier.module.d.ts
index fe4c0e82b4..6c2bdf8374 100644
--- a/js/meshopt_simplifier.module.d.ts
+++ b/js/meshopt_simplifier.module.d.ts
@@ -7,13 +7,13 @@ export const MeshoptSimplifier: {
     ready: Promise<void>;
 
     useExperimentalFeatures: boolean;
-    
+
     compactMesh: (indices: Uint32Array) => [Uint32Array, number];
-    
+
     simplify: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, target_index_count: number, target_error: number, flags?: Flags[]) => [Uint32Array, number];
 
     // Experimental; requires useExperimentalFeatures to be set to true
-    simplifyWithAttributes: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, vertex_attributes: Float32Array, vertex_attributes_stride: number, attribute_weights: number[], target_index_count: number, target_error: number, flags?: Flags[]) => [Uint32Array, number];
+    simplifyWithAttributes: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, vertex_attributes: Float32Array, vertex_attributes_stride: number, attribute_weights: number[], vertex_lock: boolean[], target_index_count: number, target_error: number, flags?: Flags[]) => [Uint32Array, number];
 
     getScale: (vertex_positions: Float32Array, vertex_positions_stride: number) => number;
 
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index a6c5be8d38..6232b2e50a 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -1,11 +1,11 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-var MeshoptSimplifier = (function() {
+var MeshoptSimplifier = (function () {
 	// Built with clang version 16.0.0
 	// Built from meshoptimizer 0.20
-	var wasm = 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basIdbMUdbasclfg5aQclfIdba5IdbMUdbascwfg5aQcwfIdba5IdbMUdbascxfgsaQcxfIdbasIdbMUdbaLczfhLa8Acufg8AmbkkaOcwfhLdndndndnaEaKfgQRbbc9:fPdebdkaKhsinaHascdtgsfa3BdbaXasfydbgsaK9hmbxikkaXa9kfydbhsaXa9mfydbhKaHa9mfa6Bdbash6kaHaKcdtfa6Bdbka9oce86bba0ce86bbaLIdbg8Pa8Ya8Ya8P9DEh8Ya9ecefh9ececdaQRbbceSEaifhikagcefggaz9hmbkkdna9embahhdxikdnalTmbcbhLa8FhsindnasydbgQcuSmbdnaLaHaQcdtg3fydbgQ9hmba8Fa3fydbhQkasaQBdbkasclfhsalaLcefgL9hmbkcbhLaahsindnasydbgQcuSmbdnaLaHaQcdtg3fydbgQ9hmbaaa3fydbhQkasaQBdbkasclfhsalaLcefgL9hmbkkcbhdabhscbh8AindnaHasydbcdtfydbgLaHasclfydbcdtfydbgQSmbaLaHascwfydbcdtfydbg3SmbaQa3Smbabadcdtfg5aLBdba5clfaQBdba5cwfa3Bdbadcifhdkascxfhsa8Acifg8Aah6mbkadaq9nmdxbkkaPabadalaCz:cjjjbkdnamTmbama8Y:rUdbkaPyd9OgscdtaPcwffc98fhCdninasTmeaCydbcbyd:m:jjjbH:bjjjbbaCc98fhCascufhsxbkkaPc;W;abf8Kjjjjbadk;:ieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbarcearce0EhdinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfheadcufgdmbkkabydbcbBdbk:Zldouv998Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdnadTmbaicd4hvdnabTmbavcdthocbhraehwinabarcx2fgiaearav2cdtfgDIdbUdbaiaDIdlUdlaiaDIdwUdwcbhiinalczfaifgDawaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkawaofhwarcefgrad9hmbxdkkavcdthrcbhwincbhiinalczfaifgDaeaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkaearfheawcefgwad9hmbkkdnabTmbadTmbJbbbbJbbjZalIdbalIdzgk:tJbbbb:xgqalIdlalIdCgx:tgmamaq9DEgqalIdwalIdKgm:tgPaPaq9DEgq:vaqJbbbb9BEhqinabaqabIdbak:tNUdbabclfgiaqaiIdbax:tNUdbabcwfgiaqaiIdbam:tNUdbabcxfhbadcufgdmbkkk8KbabaeadaialavcbcbcbcbaoarawaDz:bjjjbk8KbabaeadaialavaoarawaDaqakaxamz:bjjjbk;lOowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcwfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd1:jjjbHjjjjbbgqBdwawceBd9Oaqaeadaiz:djjjbawcuadcdtadcFFFFi0Egkcbyd1:jjjbHjjjjbbgxBdxawcdBd9Oadcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd1:jjjbHjjjjbbgsBdzawciBd9Odndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd1:jjjbHjjjjbbg5BdCawclBd9OdndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd1:jjjbHjjjjbbgeBdKawcvBd9Oaecbaiz:ljjjbhOavcd4hxdnadTmbaxcdth3a5hmalhAaqheadhEinaOamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaAc;81jjbalEgCIdbaiIdxMUdxaiaCIdlaiIdzMUdzaiaCIdwaiIdCMUdCaiaiIdKJbbjZMUdKamclfhmaAa3fhAaecxfheaEcufgEmbkkdnaDTmbaOcxfhiaDheinaictfgmamIdbJbbbbJbbjZaicxfIdbgH:vaHJbbbb9BEgHNUdbaic94fgmaHamIdbNUdbaic98fgmaHamIdbNUdbaiaHaiIdbNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd1:jjjbHjjjjbbgeBd3awcoBd9Oawaicbyd1:jjjbHjjjjbbgEBdaaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;81jjbalEgmIdwaOa5ydbgCc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aCcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcwffydbcbyd:m:jjjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Qdidui99ducbhi8Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdndnaembJbbjFhvJbbjFhoJbbjFhrxekadcd4cdthwincbhdinalczfadfgDabadfIdbgoaDIdbgrarao9EEUdbaladfgDaoaDIdbgrarao9DEUdbadclfgdcx9hmbkabawfhbaicefgiae9hmbkalIdwalIdK:thralIdlalIdC:thoalIdbalIdz:thvkavJbbbb:xgvaoaoav9DEgoararao9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcifc98GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcrfc94GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd:q:jjjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd:q:jjjbfgdBd:q:jjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:Iedbcjwk1eFFuuFFuuFFuuFFuFFFuFFFuFbbbbbbbbebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc1Dkxebbbdbbb:G9Kbb";
+	var wasm = 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8YNaIaIN:tg8V:va8VJbbbb9BEg8VNh81a8YayNa8NaIN:ta8VNhBa8Xa8SNaRaIN:ta8VNh83a8YaRNa8SaIN:ta8VNhUa8Xa8PNa8RaIN:ta8VNh85a8Ya8RNa8PaIN:ta8VNh86a8Ra8SNa8PaRN:tgIaINaRa8NNa8SayN:tgIaINaya8PNa8Na8RN:tgIaINMM:r:rhIavaAaD2cdtfhKava8JaD2cdtfhLavaYaD2cdtfh5a8W:mh87a80:mh88a8Z:mh89cbhEaDh8EJbbbbh8SJbbbbh8VJbbbbh8XJbbbbh8YJbbbbh8WJbbbbh8ZJbbbbh80Jbbbbh8:JbbbbhZinasc;WbfaEfgzcwfaIaBa5IdbaKIdbg8N:tgRNa81aLIdba8N:tg8PNMgyNUdbazclfaIaUaRNa83a8PNMg8RNUdbazaIa86aRNa85a8PNMgRNUdbazcxfaIa87ayNa88a8RNa8Na89aRNMMMg8NNUdbaIaya8RNNa8YMh8YaIayaRNNa8WMh8WaIa8RaRNNa8ZMh8ZaIa8Na8NNNa8UMh8UaIaya8NNNa8SMh8SaIa8Ra8NNNa8VMh8VaIaRa8NNNa8XMh8XaIayayNNa80Mh80aIa8Ra8RNNa8:Mh8:aIaRaRNNaZMhZaKclfhKa5clfh5aLclfhLaEczfhEa8Ecufg8EmbkaoaXaAcdtfydbgKc8S2fgzaZazIdbMUdbaza8:azIdlMUdlaza80azIdwMUdwaza8ZazIdxMUdxaza8WazIdzMUdzaza8YazIdCMUdCaza8XazIdKMUdKaza8VazId3MUd3aza8SazIdaMUdaaza8UazId8KMUd8KazaIazIdyMUdyaoaXaYcdtfydbgYc8S2fgzaZazIdbMUdbaza8:azIdlMUdlaza80azIdwMUdwaza8ZazIdxMUdxaza8WazIdzMUdzaza8YazIdCMUdCaza8XazIdKMUdKaza8VazId3MUd3aza8SazIdaMUdaaza8UazId8KMUd8KazaIazIdyMUdyaoaXa8JcdtfydbgAc8S2fgzaZazIdbMUdbaza8:azIdlMUdlaza80azIdwMUdwaza8ZazIdxMUdxaza8WazIdzMUdzaza8YazIdCMUdCaza8XazIdKMUdKaza8VazId3MUd3aza8SazIdaMUdaaza8UazId8KMUd8KazaIazIdyMUdyaqaKaD2cltfh8EcbhKaDh5ina8EaKfgzasc;WbfaKfgLIdbazIdbMUdbazclfgEaLclfIdbaEIdbMUdbazcwfgEaLcwfIdbaEIdbMUdbazcxfgzaLcxfIdbazIdbMUdbaKczfhKa5cufg5mbkaqaYaD2cltfh8EcbhKaDh5ina8EaKfgzasc;WbfaKfgLIdbazIdbMUdbazclfgEaLclfIdbaEIdbMUdbazcwfgEaLcwfIdbaEIdbMUdbazcxfgzaLcxfIdbazIdbMUdbaKczfhKa5cufg5mbkaqaAaD2cltfh8EcbhKaDh5ina8EaKfgzasc;WbfaKfgLIdbazIdbMUdbazclfgEaLclfIdbaEIdbMUdbazcwfgEaLcwfIdbaEIdbMUdbazcxfgzaLcxfIdbazIdbMUdbaKczfhKa5cufg5mbka8Acifg8Aad6mbkkdnabaeSmbabaeadcdtz:kjjjb8AkasydbhncbhzdnalTmbanclfhzanydbh5a3hKalhEcbhLincbazydbg8Ea59RaKRbbcpeGEaLfhLaKcefhKazclfhza8Eh5aEcufgEmbkaLce4hzkcuadaz9Rcifgmcx2amc;v:Q;v:Qe0Ecbyd1:jjjbHjjjjbbh8Mascwfasyd9Ogzcdtfa8MBdbasazcefgKBd9OascwfaKcdtfcuamcdtamcFFFFi0Ecbyd1:jjjbHjjjjbbgwBdbasazcdfgKBd9OascwfaKcdtfaCcbyd1:jjjbHjjjjbbgOBdbasazcifgKBd9OascwfaKcdtfalcbyd1:jjjbHjjjjbbgcBdbasazclfBd9OJbbbbh8Zdnadak9nmbdnamci6mbaxaxNh8WaDclth9ca8McwfhJJbbbbh8ZinasabadggalaXz:cjjjbabhAcbhHcbhYincbhzindnaXaAazfydbgLcdtg8AfydbgEaXabazc;m1jjbfydbaYfcdtfydbgKcdtfydbg8ESmba3aKfRbbgecv2a3aLfRbbg5fc;G1jjbfRbbg8La5cv2aefg8Jc;G1jjbfRbbgiVcFeGTmbdna8Jc:W1jjbfRbbTmba8EaE0mekdna5ae9hmba5cufcFeGce0mbaaa8AfydbaK9hmeka8MaHcx2fg5aKaLaicFeGgEEBdla5aLaKaEEBdba5aEa8LGcb9hBdwaHcefhHkazclfgzcx9hmbkdnaYcifgYag9pmbaAcxfhAaHcifam9nmekkdnaHmbaghdxikcbheinJbbbbJbbjZa8FaXa8Maecx2fg5ydlgEa5ydbg8Ea5ydwgKEgYcdtfydbg8Lc8S2gifgzIdygI:vaIJbbbb9BEazIdwa8Ka8EaEaKEg8Acx2fgKIdwgRNazIdzaKIdbg8NNazIdaMgIaIMMaRNazIdlaKIdlg8PNazIdCaRNazId3MgIaIMMa8PNazIdba8NNazIdxa8PNazIdKMgIaIMMa8NNazId8KMMM:lNh8XJbbbbJbbjZa8FaXa8Ecdtfydbgdc8S2gLfgzIdygI:vaIJbbbb9BEazIdwa8KaEcx2fgKIdwg8RNazIdzaKIdbg8UNazIdaMgIaIMMa8RNazIdlaKIdlg8SNazIdCa8RNazId3MgIaIMMa8SNazIdba8UNazIdxa8SNazIdKMgIaIMMa8UNazId8KMMM:lNh8Ya5cwfhAa5clfh8JdnaDTmbaoaLfgLIdwa8RNaLIdza8UNaLIdaMgIaIMMa8RNaLIdla8SNaLIdCa8RNaLId3MgIaIMMa8SNaLIdba8UNaLIdxa8SNaLIdKMgIaIMMa8UNaLId8KMMMhyavaEaD2cdtfhKaqadaD2cltfhzaLIdyh8VaDhLinaKIdbgIJbbb;aNazcxfIdba8RazcwfIdbNa8UazIdbNa8SazclfIdbNMMMNaIaINa8VNayMMhyaKclfhKazczfhzaLcufgLmbkaoaifgLIdwaRNaLIdza8NNaLIdaMgIaIMMaRNaLIdla8PNaLIdCaRNaLId3MgIaIMMa8PNaLIdba8NNaLIdxa8PNaLIdKMgIaIMMa8NNaLId8KMMMh8Rava8AaD2cdtfhKaqa8LaD2cltfhzaLIdyh8UaDhLinaKIdbgIJbbb;aNazcxfIdbaRazcwfIdbNa8NazIdbNa8PazclfIdbNMMMNaIaINa8UNa8RMMh8RaKclfhKazczfhzaLcufgLmbka8Xa8R:lMh8Xa8Yay:lMh8Yka8JaEa8Aa8Ya8X9FgzEBdba5a8EaYazEBdbaAa8Ya8XazEUdbaecefgeaH9hmbkasc;Wbfcbcj;abz:ljjjb8AaJhzaHhKinasc;WbfazydbcO4c;8ZGfgLaLydbcefBdbazcxfhzaKcufgKmbkcbhzcbhKinasc;WbfazfgLydbh5aLaKBdba5aKfhKazclfgzcj;ab9hmbkcbhzaJhKinasc;WbfaKydbcO4c;8ZGfgLaLydbgLcefBdbawaLcdtfazBdbaKcxfhKaHazcefgz9hmbkagak9RgLci9Uh9ednalTmbcbhzaOhKinaKazBdbaKclfhKalazcefgz9hmbkkcbhTaccbalz:ljjjbhSaLcO9Uh9ha9ece4h9iasydlh6cbhicbh8Jdnina8Mawa8Jcdtfydbcx2fgAIdwgya8W9Emeaia9e9pmeJFFuuhIdna9iaH9pmba8Mawa9icdtfydbcx2fIdwJbb;aZNhIkdnayaI9ETmbaia9h0mdkdnaSaXaAydlg9kcdtg0fydbg5fg9mRbbaSaXaAydbgYcdtg9nfydbg9ofg9pRbbVmbdnana9ocdtfgzclfydbgKazydbgzSmbaKaz9Rh8Ea6azcitfhza8Ka5cx2fg8Acwfhda8AclfhCa8Ka9ocx2fg8Lcwfhra8Lclfh9qcbhKcehednindnaOazydbcdtfydbgLa5SmbaOazclfydbcdtfydbgEa5SmbaLaESmba8KaEcx2fgEIdba8KaLcx2fgLIdbg8R:tgIa9qIdbaLIdlgR:tg8NNa8LIdba8R:tg8PaEIdlaR:tgyN:taIaCIdbaR:tg8UNa8AIdba8R:tg8SayN:tNayarIdbaLIdwgR:tg8VNa8NaEIdwaR:tg8RN:tayadIdbaR:tgRNa8Ua8RN:tNa8Ra8PNa8VaIN:ta8Ra8SNaRaIN: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: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:cjjjbkdnaPTmbaPa8Z:rUdbkasyd9Ogzcdtascwffc98fhXdninazTmeaXydbcbyd:m:jjjbH:bjjjbbaXc98fhXazcufhzxbkkasc;W;abf8Kjjjjbadk;:ieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbarcearce0EhdinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfheadcufgdmbkkabydbcbBdbk:Zldouv998Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdnadTmbaicd4hvdnabTmbavcdthocbhraehwinabarcx2fgiaearav2cdtfgDIdbUdbaiaDIdlUdlaiaDIdwUdwcbhiinalczfaifgDawaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkawaofhwarcefgrad9hmbxdkkavcdthrcbhwincbhiinalczfaifgDaeaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkaearfheawcefgwad9hmbkkdnabTmbadTmbJbbbbJbbjZalIdbalIdzgk:tJbbbb:xgqalIdlalIdCgx:tgmamaq9DEgqalIdwalIdKgm:tgPaPaq9DEgq:vaqJbbbb9BEhqinabaqabIdbak:tNUdbabclfgiaqaiIdbax:tNUdbabcwfgiaqaiIdbam:tNUdbabcxfhbadcufgdmbkkk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;lOowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcwfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd1:jjjbHjjjjbbgqBdwawceBd9Oaqaeadaiz:djjjbawcuadcdtadcFFFFi0Egkcbyd1:jjjbHjjjjbbgxBdxawcdBd9Oadcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd1:jjjbHjjjjbbgsBdzawciBd9Odndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd1:jjjbHjjjjbbg5BdCawclBd9OdndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd1:jjjbHjjjjbbgeBdKawcvBd9Oaecbaiz:ljjjbhOavcd4hxdnadTmbaxcdth3a5hmalhAaqheadhEinaOamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaAc;81jjbalEgCIdbaiIdxMUdxaiaCIdlaiIdzMUdzaiaCIdwaiIdCMUdCaiaiIdKJbbjZMUdKamclfhmaAa3fhAaecxfheaEcufgEmbkkdnaDTmbaOcxfhiaDheinaictfgmamIdbJbbbbJbbjZaicxfIdbgH:vaHJbbbb9BEgHNUdbaic94fgmaHamIdbNUdbaic98fgmaHamIdbNUdbaiaHaiIdbNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd1:jjjbHjjjjbbgeBd3awcoBd9Oawaicbyd1:jjjbHjjjjbbgEBdaaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;81jjbalEgmIdwaOa5ydbgCc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aCcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcwffydbcbyd:m:jjjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Qdidui99ducbhi8Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdndnaembJbbjFhvJbbjFhoJbbjFhrxekadcd4cdthwincbhdinalczfadfgDabadfIdbgoaDIdbgrarao9EEUdbaladfgDaoaDIdbgrarao9DEUdbadclfgdcx9hmbkabawfhbaicefgiae9hmbkalIdwalIdK:thralIdlalIdC:thoalIdbalIdz:thvkavJbbbb:xgvaoaoav9DEgoararao9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcifc98GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcrfc94GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd:q:jjjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd:q:jjjbfgdBd:q:jjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:Iedbcjwk1eFFuuFFuuFFuuFFuFFFuFFFuFbbbbbbbbebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc1Dkxebbbdbbb:G9Kbb";
 
-	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
+	var wasmpack = new Uint8Array([32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67, 24, 23, 146, 148, 18, 14, 22, 45, 70, 69, 56, 114, 101, 21, 25, 63, 75, 136, 108, 28, 118, 29, 73, 115]);
 
 	if (typeof WebAssembly !== 'object') {
 		return {
@@ -17,10 +17,10 @@ var MeshoptSimplifier = (function() {
 
 	var ready =
 		WebAssembly.instantiate(unpack(wasm), {})
-		.then(function(result) {
-			instance = result.instance;
-			instance.exports.__wasm_call_ctors();
-		});
+			.then(function (result) {
+				instance = result.instance;
+				instance.exports.__wasm_call_ctors();
+			});
 
 	function unpack(data) {
 		var result = new Uint8Array(data.length);
@@ -95,7 +95,7 @@ var MeshoptSimplifier = (function() {
 		return [target, error[0]];
 	}
 
-	function simplifyAttr(fun, indices, index_count, vertex_positions, vertex_count, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, target_index_count, target_error, options) {
+	function simplifyAttr(fun, indices, index_count, vertex_positions, vertex_count, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, vertex_lock, target_index_count, target_error, options) {
 		var sbrk = instance.exports.sbrk;
 		var te = sbrk(4);
 		var ti = sbrk(index_count * 4);
@@ -103,12 +103,15 @@ var MeshoptSimplifier = (function() {
 		var sa = sbrk(vertex_count * vertex_attributes_stride);
 		var sw = sbrk(attribute_weights.length * 4);
 		var si = sbrk(index_count * 4);
+		var vl = vertex_lock && sbrk(vertex_count);
 		var heap = new Uint8Array(instance.exports.memory.buffer);
 		heap.set(bytes(vertex_positions), sp);
 		heap.set(bytes(vertex_attributes), sa);
 		heap.set(bytes(attribute_weights), sw);
 		heap.set(bytes(indices), si);
-		var result = fun(ti, si, index_count, sp, vertex_count, vertex_positions_stride, sa, vertex_attributes_stride, sw, attribute_weights.length, target_index_count, target_error, options, te);
+		if (vertex_lock)
+			heap.set(bytes(vertex_lock), vl);
+		var result = fun(ti, si, index_count, sp, vertex_count, vertex_positions_stride, sa, vertex_attributes_stride, sw, attribute_weights.length, vl, target_index_count, target_error, options, te);
 		// heap may have grown
 		heap = new Uint8Array(instance.exports.memory.buffer);
 		var target = new Uint32Array(result);
@@ -160,7 +163,7 @@ var MeshoptSimplifier = (function() {
 		// note that these functions are experimental and may change interface/behavior in a way that will require revising calling code
 		useExperimentalFeatures: false,
 
-		compactMesh: function(indices) {
+		compactMesh: function (indices) {
 			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
 			assert(indices.length % 3 == 0);
 
@@ -168,7 +171,7 @@ var MeshoptSimplifier = (function() {
 			return reorder(instance.exports.meshopt_optimizeVertexFetchRemap, indices32, maxindex(indices) + 1);
 		},
 
-		simplify: function(indices, vertex_positions, vertex_positions_stride, target_index_count, target_error, flags) {
+		simplify: function (indices, vertex_positions, vertex_positions_stride, target_index_count, target_error, flags) {
 			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
 			assert(indices.length % 3 == 0);
 			assert(vertex_positions instanceof Float32Array);
@@ -190,7 +193,7 @@ var MeshoptSimplifier = (function() {
 			return result;
 		},
 
-		simplifyWithAttributes: function(indices, vertex_positions, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, target_index_count, target_error, flags) {
+		simplifyWithAttributes: function (indices, vertex_positions, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, vertex_lock, target_index_count, target_error, flags) {
 			assert(this.useExperimentalFeatures); // set useExperimentalFeatures to use this; note that this function is experimental and may change interface in a way that will require revising calling code
 			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
 			assert(indices.length % 3 == 0);
@@ -200,6 +203,7 @@ var MeshoptSimplifier = (function() {
 			assert(vertex_attributes instanceof Float32Array);
 			assert(vertex_attributes.length % vertex_attributes_stride == 0);
 			assert(vertex_attributes_stride >= 0);
+			assert(vertex_lock == null || vertex_lock.length == vertex_positions.length);
 			assert(target_index_count >= 0 && target_index_count <= indices.length);
 			assert(target_index_count % 3 == 0);
 			assert(target_error >= 0 && target_error <= 1);
@@ -212,21 +216,24 @@ var MeshoptSimplifier = (function() {
 				options |= simplifyOptions[flags[i]];
 			}
 
+			if (vertex_lock)
+				vertex_lock = new Uint8Array(vertex_lock);
+
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
-			var result = simplifyAttr(instance.exports.meshopt_simplifyWithAttributes, indices32, indices.length, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, vertex_attributes, vertex_attributes_stride * 4, new Float32Array(attribute_weights), target_index_count, target_error, options);
+			var result = simplifyAttr(instance.exports.meshopt_simplifyWithAttributes, indices32, indices.length, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, vertex_attributes, vertex_attributes_stride * 4, new Float32Array(attribute_weights), vertex_lock, target_index_count, target_error, options);
 			result[0] = (indices instanceof Uint32Array) ? result[0] : new indices.constructor(result[0]);
 
 			return result;
 		},
 
-		getScale: function(vertex_positions, vertex_positions_stride) {
+		getScale: function (vertex_positions, vertex_positions_stride) {
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
 			assert(vertex_positions_stride >= 3);
 			return simplifyScale(instance.exports.meshopt_simplifyScale, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4);
 		},
 
-		simplifyPoints: function(vertex_positions, vertex_positions_stride, target_vertex_count, vertex_colors, vertex_colors_stride, color_weight) {
+		simplifyPoints: function (vertex_positions, vertex_positions_stride, target_vertex_count, vertex_colors, vertex_colors_stride, color_weight) {
 			assert(this.useExperimentalFeatures); // set useExperimentalFeatures to use this; note that this function is experimental and may change interface in a way that will require revising calling code
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
diff --git a/js/meshopt_simplifier.test.js b/js/meshopt_simplifier.test.js
index 8e89af4aef..570d294df8 100644
--- a/js/meshopt_simplifier.test.js
+++ b/js/meshopt_simplifier.test.js
@@ -164,7 +164,7 @@ var tests = {
 
 		var attr_weights = [0.01, 0.01, 0.01];
 
-		var res = simplifier.simplifyWithAttributes(ib, vb_pos, 3, vb_att, 3, attr_weights, 6 * 3, 1e-2);
+		var res = simplifier.simplifyWithAttributes(ib, vb_pos, 3, vb_att, 3, attr_weights, null, 6 * 3, 1e-2);
 
 		var expected = new Uint32Array([
 			0, 2, 9, 9, 2, 11,
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 6ab48c1968..722ecb0c36 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -357,9 +357,10 @@ MESHOPTIMIZER_API size_t meshopt_simplify(unsigned int* destination, const unsig
  * vertex_attributes should have attribute_count floats for each vertex
  * attribute_weights should have attribute_count floats in total; the weights determine relative priority of attributes between each other and wrt position. The recommended weight range is [1e-3..1e-1], assuming attribute data is in [0..1] range.
  * attribute_count must be <= 16
+ * vertex_lock can be NULL; when not NULL, it should have vertex_count chars, 1 for each vertex; they determine which vertices are locked (1) or free to be simplified (0).
  * TODO target_error/result_error currently use combined distance+attribute error; this may change in the future
  */
-MESHOPTIMIZER_EXPERIMENTAL size_t meshopt_simplifyWithAttributes(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride, const float* vertex_attributes, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, size_t target_index_count, float target_error, unsigned int options, float* result_error);
+MESHOPTIMIZER_EXPERIMENTAL size_t meshopt_simplifyWithAttributes(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride, const float* vertex_attributes, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, const unsigned char* vertex_lock, size_t target_index_count, float target_error, unsigned int options, float* result_error);
 
 /**
  * Experimental: Mesh simplifier (sloppy)
@@ -659,7 +660,7 @@ inline int meshopt_decodeIndexSequence(T* destination, size_t index_count, const
 template <typename T>
 inline size_t meshopt_simplify(T* destination, const T* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride, size_t target_index_count, float target_error, unsigned int options = 0, float* result_error = NULL);
 template <typename T>
-inline size_t meshopt_simplifyWithAttributes(T* destination, const T* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride, const float* vertex_attributes, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, size_t target_index_count, float target_error, unsigned int options = 0, float* result_error = NULL);
+inline size_t meshopt_simplifyWithAttributes(T* destination, const T* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride, const float* vertex_attributes, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, const unsigned char* vertex_lock, size_t target_index_count, float target_error, unsigned int options = 0, float* result_error = NULL);
 template <typename T>
 inline size_t meshopt_simplifySloppy(T* destination, const T* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride, size_t target_index_count, float target_error, float* result_error = NULL);
 template <typename T>
@@ -966,12 +967,12 @@ inline size_t meshopt_simplify(T* destination, const T* indices, size_t index_co
 }
 
 template <typename T>
-inline size_t meshopt_simplifyWithAttributes(T* destination, const T* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride, const float* vertex_attributes, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, size_t target_index_count, float target_error, unsigned int options, float* result_error)
+inline size_t meshopt_simplifyWithAttributes(T* destination, const T* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride, const float* vertex_attributes, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, const unsigned char* vertex_lock, size_t target_index_count, float target_error, unsigned int options, float* result_error)
 {
     meshopt_IndexAdapter<T> in(NULL, indices, index_count);
     meshopt_IndexAdapter<T> out(destination, NULL, index_count);
 
-    return meshopt_simplifyWithAttributes(out.data, in.data, index_count, vertex_positions, vertex_count, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, attribute_count, target_index_count, target_error, options, result_error);
+    return meshopt_simplifyWithAttributes(out.data, in.data, index_count, vertex_positions, vertex_count, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, attribute_count, vertex_lock, target_index_count, target_error, options, result_error);
 }
 
 template <typename T>
diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 4073bb4dc7..a84b33270a 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -252,7 +252,7 @@ static bool hasEdge(const EdgeAdjacency& adjacency, unsigned int a, unsigned int
 	return false;
 }
 
-static void classifyVertices(unsigned char* result, unsigned int* loop, unsigned int* loopback, size_t vertex_count, const EdgeAdjacency& adjacency, const unsigned int* remap, const unsigned int* wedge, unsigned int options)
+static void classifyVertices(unsigned char* result, unsigned int* loop, unsigned int* loopback, size_t vertex_count, const EdgeAdjacency& adjacency, const unsigned int* remap, const unsigned int* wedge, const unsigned char* vertex_lock, unsigned int options)
 {
 	memset(loop, -1, vertex_count * sizeof(unsigned int));
 	memset(loopback, -1, vertex_count * sizeof(unsigned int));
@@ -298,7 +298,12 @@ static void classifyVertices(unsigned char* result, unsigned int* loop, unsigned
 	{
 		if (remap[i] == i)
 		{
-			if (wedge[i] == i)
+			if (vertex_lock && vertex_lock[i])
+			{
+				// vertex is explicitly locked
+				result[i] = Kind_Locked;
+			}
+			else if (wedge[i] == i)
 			{
 				// no attribute seam, need to check if it's manifold
 				unsigned int openi = openinc[i], openo = openout[i];
@@ -1468,7 +1473,7 @@ MESHOPTIMIZER_API unsigned int* meshopt_simplifyDebugLoop = NULL;
 MESHOPTIMIZER_API unsigned int* meshopt_simplifyDebugLoopBack = NULL;
 #endif
 
-size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride, const float* vertex_attributes_data, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, size_t target_index_count, float target_error, unsigned int options, float* out_result_error)
+size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride, const float* vertex_attributes_data, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, const unsigned char* vertex_lock, size_t target_index_count, float target_error, unsigned int options, float* out_result_error)
 {
 	using namespace meshopt;
 
@@ -1499,7 +1504,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	unsigned char* vertex_kind = allocator.allocate<unsigned char>(vertex_count);
 	unsigned int* loop = allocator.allocate<unsigned int>(vertex_count);
 	unsigned int* loopback = allocator.allocate<unsigned int>(vertex_count);
-	classifyVertices(vertex_kind, loop, loopback, vertex_count, adjacency, remap, wedge, options);
+	classifyVertices(vertex_kind, loop, loopback, vertex_count, adjacency, remap, wedge, vertex_lock, options);
 
 #if TRACE
 	size_t unique_positions = 0;
@@ -1634,12 +1639,12 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 
 size_t meshopt_simplify(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride, size_t target_index_count, float target_error, unsigned int options, float* out_result_error)
 {
-	return meshopt_simplifyEdge(destination, indices, index_count, vertex_positions_data, vertex_count, vertex_positions_stride, NULL, 0, NULL, 0, target_index_count, target_error, options, out_result_error);
+	return meshopt_simplifyEdge(destination, indices, index_count, vertex_positions_data, vertex_count, vertex_positions_stride, NULL, 0, NULL, 0, NULL, target_index_count, target_error, options, out_result_error);
 }
 
-size_t meshopt_simplifyWithAttributes(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride, const float* vertex_attributes_data, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, size_t target_index_count, float target_error, unsigned int options, float* out_result_error)
+size_t meshopt_simplifyWithAttributes(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride, const float* vertex_attributes_data, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, const unsigned char* vertex_lock, size_t target_index_count, float target_error, unsigned int options, float* out_result_error)
 {
-	return meshopt_simplifyEdge(destination, indices, index_count, vertex_positions_data, vertex_count, vertex_positions_stride, vertex_attributes_data, vertex_attributes_stride, attribute_weights, attribute_count, target_index_count, target_error, options, out_result_error);
+	return meshopt_simplifyEdge(destination, indices, index_count, vertex_positions_data, vertex_count, vertex_positions_stride, vertex_attributes_data, vertex_attributes_stride, attribute_weights, attribute_count, vertex_lock, target_index_count, target_error, options, out_result_error);
 }
 
 size_t meshopt_simplifySloppy(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride, size_t target_index_count, float target_error, float* out_result_error)

From 1c91990ed5b3d731230210b992001978868d156b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 2 Apr 2024 16:33:53 -0700
Subject: [PATCH 043/581] js: Update meshopt_encoder Wasm binaries

These were not rebuilt after vcacheoptimizer tweaks.
---
 js/meshopt_encoder.js        | 2 +-
 js/meshopt_encoder.module.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/meshopt_encoder.js b/js/meshopt_encoder.js
index e092cb5994..221da355bf 100644
--- a/js/meshopt_encoder.js
+++ b/js/meshopt_encoder.js
@@ -4,7 +4,7 @@ var MeshoptEncoder = (function() {
 	"use strict";
 	// Built with clang version 16.0.0
 	// Built from meshoptimizer 0.20
-	var wasm = "b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:W;kekr;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:g9sLdbk;3keYu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRb:S:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9UhodndndndndnalTmbaoc;WFbGgecjdaecjd6Ehqcbhkdninakai9pmiaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndndndnaec9WGgsTmbcbhzcehHaPhOawhAxekdnaxTmbcbhAcehHaPhCinaDaAfRbbhXaDcjlfheaChoaxhQinaeaoRbbgLaX9RgXcetaX;acr4786bbaoalfhoaecefheaLhXaQcufgQmbkaraw9Ram6miawcbamzNjjjbgeTmiaCcefhCaeamfhwaAcefgAal6hHaAal9hmbxvkkaraw9Ram6mvawcbamzNjjjb8AceheinawgXamfhwalaegoSmldnaraw9Ram6mbaocefheawcbamzNjjjb8AaXmekkaoal6hHxekindnaxTmbaDazfRbbhXaDcjlfheaOhoaxhQinaeaoRbbgLaX9RgXcetaX;acr4786bbaoalfhoaecefheaLhXaQcufgQmbkkaraA9Ram6mearaAcbamzNjjjbgKamfgw9RcK6mdcbhYaDcjlfhAinaDcjlfaYfh8AcwhCczhLcehQindndnaQce9hmbcuhoa8ARbbmecbhodninaogecsSmeaecefhoaAaefcefRbbTmbkkcucbaecs6EhoxekaQcetc;: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:tjjjb8AaxakfhkawmbkcbhoxokcbhoxvkaiTmekcbhoaraw9Ralcaalca0E6mialc8F9nmexdkcbhoaecufca6mdkawcbcaal9RgezNjjjbaefhwkawaDcjdfalz:tjjjbalfab9Rhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBd:S:kjjbk;rse3u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:C:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgoydbhLaocwfydbhKaoclfydbhYcbh8Adndninalc;abfavcsGcitfgoydlhEdndndnaoydbgoaL9hmbaEaYSmekdnaoaY9hmbaEaK9hmba8Acefh8AxekaoaK9hmeaEaL9hmea8Acdfh8Aka8Ac870mdaXcufhvada8AciGcx2goc:y1jjbfydbaCfcdtfydbhEadaocN1jjbfydbaCfcdtfydbhKadaoc:q1jjbfydbaCfcdtfydbhLcbhodnindnalavcsGcdtfydbaE9hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaEaOSgvaYce9iaYaH9oVgoGh3dndndndndncbcsavEaYaoEgvcs9hmbarce9imbaEaEaAaEcefaASgvEgAcefSmecmcsavEhvkasava8Acdtc;WeGV86bbavcs9hmeaEaA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbkaEhAxdkcPhvasa8AcdtcPV86bbaEhAkavTmbavaH9imekalaXcdtfaEBdbaXcefcsGhXkaOa3fhOalc;abfaQcitfgvaKBdlavaEBdbalc;abfaQcefcsGgvcitfgoaEBdlaoaLBdbavcefhoxikavcufhva8Aclfg8Ac;ab9hmbkkdnadceaKaOScetaYaOSEcx2gvc:q1jjbfydbaCfcdtfydbgLTadavcN1jjbfydbaCfcdtfydbg8AceSGadavc:y1jjbfydbaCfcdtfydbgYcdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhKxdkcuhKaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydbaY9hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaLaOSg8Efh3dndnaKcm0mbaKcefhKxekcbcsa8Aa3SgvEhKa3avfh3kdndnaEcm0mbaEcefhExekcbcsaYa3SgvEhEa3avfh3kc9:cua8EEh8FaEaKcltVhocbhvdndndninavcj1jjbfRbbaocFeGSmeavcefgvcz9hmbxdkka5aLaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeao86bbaecefhekdna8EmbaLaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaLhAkdnaKcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmbaYaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaYhAkalaXcdtfaLBdbaXcefcsGhvdndnaKPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfaYBdbavcefcsGhvkalc;abfaQcitfgoaLBdlaoa8ABdbalc;abfaQcefcsGcitfgoa8ABdlaoaYBdbalc;abfaQcdfcsGcitfgoaYBdlaoaLBdbaQcifhoavhXa3hOkascefhsaocsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:C:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:C:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507g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+	var wasm = 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
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 
diff --git a/js/meshopt_encoder.module.js b/js/meshopt_encoder.module.js
index 4805e3e7c9..0ce51b959d 100644
--- a/js/meshopt_encoder.module.js
+++ b/js/meshopt_encoder.module.js
@@ -3,7 +3,7 @@
 var MeshoptEncoder = (function() {
 	// Built with clang version 16.0.0
 	// Built from meshoptimizer 0.20
-	var wasm = "b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:W;kekr;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:g9sLdbk;3keYu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRb:S:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9UhodndndndndnalTmbaoc;WFbGgecjdaecjd6Ehqcbhkdninakai9pmiaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndndndnaec9WGgsTmbcbhzcehHaPhOawhAxekdnaxTmbcbhAcehHaPhCinaDaAfRbbhXaDcjlfheaChoaxhQinaeaoRbbgLaX9RgXcetaX;acr4786bbaoalfhoaecefheaLhXaQcufgQmbkaraw9Ram6miawcbamzNjjjbgeTmiaCcefhCaeamfhwaAcefgAal6hHaAal9hmbxvkkaraw9Ram6mvawcbamzNjjjb8AceheinawgXamfhwalaegoSmldnaraw9Ram6mbaocefheawcbamzNjjjb8AaXmekkaoal6hHxekindnaxTmbaDazfRbbhXaDcjlfheaOhoaxhQinaeaoRbbgLaX9RgXcetaX;acr4786bbaoalfhoaecefheaLhXaQcufgQmbkkaraA9Ram6mearaAcbamzNjjjbgKamfgw9RcK6mdcbhYaDcjlfhAinaDcjlfaYfh8AcwhCczhLcehQindndnaQce9hmbcuhoa8ARbbmecbhodninaogecsSmeaecefhoaAaefcefRbbTmbkkcucbaecs6EhoxekaQcetc;: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:tjjjb8AaxakfhkawmbkcbhoxokcbhoxvkaiTmekcbhoaraw9Ralcaalca0E6mialc8F9nmexdkcbhoaecufca6mdkawcbcaal9RgezNjjjbaefhwkawaDcjdfalz:tjjjbalfab9Rhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBd:S:kjjbk;rse3u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:C:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgoydbhLaocwfydbhKaoclfydbhYcbh8Adndninalc;abfavcsGcitfgoydlhEdndndnaoydbgoaL9hmbaEaYSmekdnaoaY9hmbaEaK9hmba8Acefh8AxekaoaK9hmeaEaL9hmea8Acdfh8Aka8Ac870mdaXcufhvada8AciGcx2goc:y1jjbfydbaCfcdtfydbhEadaocN1jjbfydbaCfcdtfydbhKadaoc:q1jjbfydbaCfcdtfydbhLcbhodnindnalavcsGcdtfydbaE9hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaEaOSgvaYce9iaYaH9oVgoGh3dndndndndncbcsavEaYaoEgvcs9hmbarce9imbaEaEaAaEcefaASgvEgAcefSmecmcsavEhvkasava8Acdtc;WeGV86bbavcs9hmeaEaA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbkaEhAxdkcPhvasa8AcdtcPV86bbaEhAkavTmbavaH9imekalaXcdtfaEBdbaXcefcsGhXkaOa3fhOalc;abfaQcitfgvaKBdlavaEBdbalc;abfaQcefcsGgvcitfgoaEBdlaoaLBdbavcefhoxikavcufhva8Aclfg8Ac;ab9hmbkkdnadceaKaOScetaYaOSEcx2gvc:q1jjbfydbaCfcdtfydbgLTadavcN1jjbfydbaCfcdtfydbg8AceSGadavc:y1jjbfydbaCfcdtfydbgYcdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhKxdkcuhKaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydbaY9hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaLaOSg8Efh3dndnaKcm0mbaKcefhKxekcbcsa8Aa3SgvEhKa3avfh3kdndnaEcm0mbaEcefhExekcbcsaYa3SgvEhEa3avfh3kc9:cua8EEh8FaEaKcltVhocbhvdndndninavcj1jjbfRbbaocFeGSmeavcefgvcz9hmbxdkka5aLaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeao86bbaecefhekdna8EmbaLaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaLhAkdnaKcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmbaYaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaYhAkalaXcdtfaLBdbaXcefcsGhvdndnaKPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfaYBdbavcefcsGhvkalc;abfaQcitfgoaLBdlaoa8ABdbalc;abfaQcefcsGcitfgoa8ABdlaoaYBdbalc;abfaQcdfcsGcitfgoaYBdlaoaLBdbaQcifhoavhXa3hOkascefhsaocsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:C:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:C:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507g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+	var wasm = 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
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 

From d03d753d11cc223b99349242502a806077e23de4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 2 Apr 2024 16:35:05 -0700
Subject: [PATCH 044/581] js: Update meshopt_simplifier after vertex_lock
 changes

This change reverts the code style changes to keep code consistent and
avoids overriding vertex_lock with the value of a different type.
---
 js/meshopt_simplifier.js        | 34 ++++++++++++++++-----------------
 js/meshopt_simplifier.module.js | 32 +++++++++++++++----------------
 2 files changed, 31 insertions(+), 35 deletions(-)

diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 123fcf4bdb..9c9a12fc09 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -1,12 +1,12 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-var MeshoptSimplifier = (function () {
+var MeshoptSimplifier = (function() {
 	"use strict";
 	// Built with clang version 16.0.0
 	// Built from meshoptimizer 0.20
 	var wasm = 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8YNaIaIN:tg8V:va8VJbbbb9BEg8VNh81a8YayNa8NaIN:ta8VNhBa8Xa8SNaRaIN:ta8VNh83a8YaRNa8SaIN:ta8VNhUa8Xa8PNa8RaIN:ta8VNh85a8Ya8RNa8PaIN:ta8VNh86a8Ra8SNa8PaRN:tgIaINaRa8NNa8SayN:tgIaINaya8PNa8Na8RN:tgIaINMM:r:rhIavaAaD2cdtfhKava8JaD2cdtfhLavaYaD2cdtfh5a8W:mh87a80:mh88a8Z:mh89cbhEaDh8EJbbbbh8SJbbbbh8VJbbbbh8XJbbbbh8YJbbbbh8WJbbbbh8ZJbbbbh80Jbbbbh8:JbbbbhZinasc;WbfaEfgzcwfaIaBa5IdbaKIdbg8N:tgRNa81aLIdba8N:tg8PNMgyNUdbazclfaIaUaRNa83a8PNMg8RNUdbazaIa86aRNa85a8PNMgRNUdbazcxfaIa87ayNa88a8RNa8Na89aRNMMMg8NNUdbaIaya8RNNa8YMh8YaIayaRNNa8WMh8WaIa8RaRNNa8ZMh8ZaIa8Na8NNNa8UMh8UaIaya8NNNa8SMh8SaIa8Ra8NNNa8VMh8VaIaRa8NNNa8XMh8XaIayayNNa80Mh80aIa8Ra8RNNa8:Mh8:aIaRaRNNaZMhZaKclfhKa5clfh5aLclfhLaEczfhEa8Ecufg8EmbkaoaXaAcdtfydbgKc8S2fgzaZazIdbMUdbaza8:azIdlMUdlaza80azIdwMUdwaza8ZazIdxMUdxaza8WazIdzMUdzaza8YazIdCMUdCaza8XazIdKMUdKaza8VazId3MUd3aza8SazIdaMUdaaza8UazId8KMUd8KazaIazIdyMUdyaoaXaYcdtfydbgYc8S2fgzaZazIdbMUdbaza8:azIdlMUdlaza80azIdwMUdwaza8ZazIdxMUdxaza8WazIdzMUdzaza8YazIdCMUdCaza8XazIdKMUdKaza8VazId3MUd3aza8SazIdaMUdaaza8UazId8KMUd8KazaIazIdyMUdyaoaXa8JcdtfydbgAc8S2fgzaZazIdbMUdbaza8:azIdlMUdlaza80azIdwMUdwaza8ZazIdxMUdxaza8WazIdzMUdzaza8YazIdCMUdCaza8XazIdKMUdKaza8VazId3MUd3aza8SazIdaMUdaaza8UazId8KMUd8KazaIazIdyMUdyaqaKaD2cltfh8EcbhKaDh5ina8EaKfgzasc;WbfaKfgLIdbazIdbMUdbazclfgEaLclfIdbaEIdbMUdbazcwfgEaLcwfIdbaEIdbMUdbazcxfgzaLcxfIdbazIdbMUdbaKczfhKa5cufg5mbkaqaYaD2cltfh8EcbhKaDh5ina8EaKfgzasc;WbfaKfgLIdbazIdbMUdbazclfgEaLclfIdbaEIdbMUdbazcwfgEaLcwfIdbaEIdbMUdbazcxfgzaLcxfIdbazIdbMUdbaKczfhKa5cufg5mbkaqaAaD2cltfh8EcbhKaDh5ina8EaKfgzasc;WbfaKfgLIdbazIdbMUdbazclfgEaLclfIdbaEIdbMUdbazcwfgEaLcwfIdbaEIdbMUdbazcxfgzaLcxfIdbazIdbMUdbaKczfhKa5cufg5mbka8Acifg8Aad6mbkkdnabaeSmbabaeadcdtz:kjjjb8AkasydbhncbhzdnalTmbanclfhzanydbh5a3hKalhEcbhLincbazydbg8Ea59RaKRbbcpeGEaLfhLaKcefhKazclfhza8Eh5aEcufgEmbkaLce4hzkcuadaz9Rcifgmcx2amc;v:Q;v:Qe0Ecbyd1:jjjbHjjjjbbh8Mascwfasyd9Ogzcdtfa8MBdbasazcefgKBd9OascwfaKcdtfcuamcdtamcFFFFi0Ecbyd1:jjjbHjjjjbbgwBdbasazcdfgKBd9OascwfaKcdtfaCcbyd1:jjjbHjjjjbbgOBdbasazcifgKBd9OascwfaKcdtfalcbyd1:jjjbHjjjjbbgcBdbasazclfBd9OJbbbbh8Zdnadak9nmbdnamci6mbaxaxNh8WaDclth9ca8McwfhJJbbbbh8ZinasabadggalaXz:cjjjbabhAcbhHcbhYincbhzindnaXaAazfydbgLcdtg8AfydbgEaXabazc;m1jjbfydbaYfcdtfydbgKcdtfydbg8ESmba3aKfRbbgecv2a3aLfRbbg5fc;G1jjbfRbbg8La5cv2aefg8Jc;G1jjbfRbbgiVcFeGTmbdna8Jc:W1jjbfRbbTmba8EaE0mekdna5ae9hmba5cufcFeGce0mbaaa8AfydbaK9hmeka8MaHcx2fg5aKaLaicFeGgEEBdla5aLaKaEEBdba5aEa8LGcb9hBdwaHcefhHkazclfgzcx9hmbkdnaYcifgYag9pmbaAcxfhAaHcifam9nmekkdnaHmbaghdxikcbheinJbbbbJbbjZa8FaXa8Maecx2fg5ydlgEa5ydbg8Ea5ydwgKEgYcdtfydbg8Lc8S2gifgzIdygI:vaIJbbbb9BEazIdwa8Ka8EaEaKEg8Acx2fgKIdwgRNazIdzaKIdbg8NNazIdaMgIaIMMaRNazIdlaKIdlg8PNazIdCaRNazId3MgIaIMMa8PNazIdba8NNazIdxa8PNazIdKMgIaIMMa8NNazId8KMMM:lNh8XJbbbbJbbjZa8FaXa8Ecdtfydbgdc8S2gLfgzIdygI:vaIJbbbb9BEazIdwa8KaEcx2fgKIdwg8RNazIdzaKIdbg8UNazIdaMgIaIMMa8RNazIdlaKIdlg8SNazIdCa8RNazId3MgIaIMMa8SNazIdba8UNazIdxa8SNazIdKMgIaIMMa8UNazId8KMMM:lNh8Ya5cwfhAa5clfh8JdnaDTmbaoaLfgLIdwa8RNaLIdza8UNaLIdaMgIaIMMa8RNaLIdla8SNaLIdCa8RNaLId3MgIaIMMa8SNaLIdba8UNaLIdxa8SNaLIdKMgIaIMMa8UNaLId8KMMMhyavaEaD2cdtfhKaqadaD2cltfhzaLIdyh8VaDhLinaKIdbgIJbbb;aNazcxfIdba8RazcwfIdbNa8UazIdbNa8SazclfIdbNMMMNaIaINa8VNayMMhyaKclfhKazczfhzaLcufgLmbkaoaifgLIdwaRNaLIdza8NNaLIdaMgIaIMMaRNaLIdla8PNaLIdCaRNaLId3MgIaIMMa8PNaLIdba8NNaLIdxa8PNaLIdKMgIaIMMa8NNaLId8KMMMh8Rava8AaD2cdtfhKaqa8LaD2cltfhzaLIdyh8UaDhLinaKIdbgIJbbb;aNazcxfIdbaRazcwfIdbNa8NazIdbNa8PazclfIdbNMMMNaIaINa8UNa8RMMh8RaKclfhKazczfhzaLcufgLmbka8Xa8R:lMh8Xa8Yay:lMh8Yka8JaEa8Aa8Ya8X9FgzEBdba5a8EaYazEBdbaAa8Ya8XazEUdbaecefgeaH9hmbkasc;Wbfcbcj;abz:ljjjb8AaJhzaHhKinasc;WbfazydbcO4c;8ZGfgLaLydbcefBdbazcxfhzaKcufgKmbkcbhzcbhKinasc;WbfazfgLydbh5aLaKBdba5aKfhKazclfgzcj;ab9hmbkcbhzaJhKinasc;WbfaKydbcO4c;8ZGfgLaLydbgLcefBdbawaLcdtfazBdbaKcxfhKaHazcefgz9hmbkagak9RgLci9Uh9ednalTmbcbhzaOhKinaKazBdbaKclfhKalazcefgz9hmbkkcbhTaccbalz:ljjjbhSaLcO9Uh9ha9ece4h9iasydlh6cbhicbh8Jdnina8Mawa8Jcdtfydbcx2fgAIdwgya8W9Emeaia9e9pmeJFFuuhIdna9iaH9pmba8Mawa9icdtfydbcx2fIdwJbb;aZNhIkdnayaI9ETmbaia9h0mdkdnaSaXaAydlg9kcdtg0fydbg5fg9mRbbaSaXaAydbgYcdtg9nfydbg9ofg9pRbbVmbdnana9ocdtfgzclfydbgKazydbgzSmbaKaz9Rh8Ea6azcitfhza8Ka5cx2fg8Acwfhda8AclfhCa8Ka9ocx2fg8Lcwfhra8Lclfh9qcbhKcehednindnaOazydbcdtfydbgLa5SmbaOazclfydbcdtfydbgEa5SmbaLaESmba8KaEcx2fgEIdba8KaLcx2fgLIdbg8R:tgIa9qIdbaLIdlgR:tg8NNa8LIdba8R:tg8PaEIdlaR:tgyN:taIaCIdbaR:tg8UNa8AIdba8R:tg8SayN:tNayarIdbaLIdwgR:tg8VNa8NaEIdwaR:tg8RN:tayadIdbaR:tgRNa8Ua8RN:tNa8Ra8PNa8VaIN:ta8Ra8SNaRaIN: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:fPdebdkaYhzinaOazcdtgzfa5BdbaQazfydbgzaY9hmbxikkaQa0fydbhzaQa9nfydbhYaOa9nfa9kBdbazh9kkaOaYcdtfa9kBdbka9pce86bba9mce86bbaKIdbgIa8Za8ZaI9DEh8ZaTcefhTcecdaLRbbceSEaifhika8Jcefg8JaH9hmbkkdnaTmbaghdxikdnalTmbcbhKaahzindnazydbgLcuSmbdnaKaOaLcdtg5fydbgL9hmbaaa5fydbhLkazaLBdbkazclfhzalaKcefgK9hmbkcbhKahhzindnazydbgLcuSmbdnaKaOaLcdtg5fydbgL9hmbaha5fydbhLkazaLBdbkazclfhzalaKcefgK9hmbkkcbhdabhzcbhEindnaOazydbcdtfydbgKaOazclfydbcdtfydbgLSmbaKaOazcwfydbcdtfydbg5SmbaLa5Smbabadcdtfg8EaKBdba8EclfaLBdba8Ecwfa5BdbadcifhdkazcxfhzaEcifgEag6mbkadak9nmdxbkkasabadalaXz:cjjjbkdnaPTmbaPa8Z:rUdbkasyd9Ogzcdtascwffc98fhXdninazTmeaXydbcbyd:m:jjjbH:bjjjbbaXc98fhXazcufhzxbkkasc;W;abf8Kjjjjbadk;:ieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbarcearce0EhdinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfheadcufgdmbkkabydbcbBdbk:Zldouv998Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdnadTmbaicd4hvdnabTmbavcdthocbhraehwinabarcx2fgiaearav2cdtfgDIdbUdbaiaDIdlUdlaiaDIdwUdwcbhiinalczfaifgDawaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkawaofhwarcefgrad9hmbxdkkavcdthrcbhwincbhiinalczfaifgDaeaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkaearfheawcefgwad9hmbkkdnabTmbadTmbJbbbbJbbjZalIdbalIdzgk:tJbbbb:xgqalIdlalIdCgx:tgmamaq9DEgqalIdwalIdKgm:tgPaPaq9DEgq:vaqJbbbb9BEhqinabaqabIdbak:tNUdbabclfgiaqaiIdbax:tNUdbabcwfgiaqaiIdbam:tNUdbabcxfhbadcufgdmbkkk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;lOowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcwfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd1:jjjbHjjjjbbgqBdwawceBd9Oaqaeadaiz:djjjbawcuadcdtadcFFFFi0Egkcbyd1:jjjbHjjjjbbgxBdxawcdBd9Oadcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd1:jjjbHjjjjbbgsBdzawciBd9Odndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd1:jjjbHjjjjbbg5BdCawclBd9OdndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd1:jjjbHjjjjbbgeBdKawcvBd9Oaecbaiz:ljjjbhOavcd4hxdnadTmbaxcdth3a5hmalhAaqheadhEinaOamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaAc;81jjbalEgCIdbaiIdxMUdxaiaCIdlaiIdzMUdzaiaCIdwaiIdCMUdCaiaiIdKJbbjZMUdKamclfhmaAa3fhAaecxfheaEcufgEmbkkdnaDTmbaOcxfhiaDheinaictfgmamIdbJbbbbJbbjZaicxfIdbgH:vaHJbbbb9BEgHNUdbaic94fgmaHamIdbNUdbaic98fgmaHamIdbNUdbaiaHaiIdbNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd1:jjjbHjjjjbbgeBd3awcoBd9Oawaicbyd1:jjjbHjjjjbbgEBdaaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;81jjbalEgmIdwaOa5ydbgCc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aCcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcwffydbcbyd:m:jjjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Qdidui99ducbhi8Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdndnaembJbbjFhvJbbjFhoJbbjFhrxekadcd4cdthwincbhdinalczfadfgDabadfIdbgoaDIdbgrarao9EEUdbaladfgDaoaDIdbgrarao9DEUdbadclfgdcx9hmbkabawfhbaicefgiae9hmbkalIdwalIdK:thralIdlalIdC:thoalIdbalIdz:thvkavJbbbb:xgvaoaoav9DEgoararao9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcifc98GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcrfc94GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd:q:jjjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd:q:jjjbfgdBd:q:jjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:Iedbcjwk1eFFuuFFuuFFuuFFuFFFuFFFuFbbbbbbbbebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc1Dkxebbbdbbb:G9Kbb";
 
-	var wasmpack = new Uint8Array([32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67, 24, 23, 146, 148, 18, 14, 22, 45, 70, 69, 56, 114, 101, 21, 25, 63, 75, 136, 108, 28, 118, 29, 73, 115]);
+	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 
 	if (typeof WebAssembly !== 'object') {
 		return {
@@ -18,10 +18,10 @@ var MeshoptSimplifier = (function () {
 
 	var ready =
 		WebAssembly.instantiate(unpack(wasm), {})
-			.then(function (result) {
-				instance = result.instance;
-				instance.exports.__wasm_call_ctors();
-			});
+		.then(function(result) {
+			instance = result.instance;
+			instance.exports.__wasm_call_ctors();
+		});
 
 	function unpack(data) {
 		var result = new Uint8Array(data.length);
@@ -104,14 +104,15 @@ var MeshoptSimplifier = (function () {
 		var sa = sbrk(vertex_count * vertex_attributes_stride);
 		var sw = sbrk(attribute_weights.length * 4);
 		var si = sbrk(index_count * 4);
-		var vl = vertex_lock && sbrk(vertex_count);
+		var vl = vertex_lock ? sbrk(vertex_count) : 0;
 		var heap = new Uint8Array(instance.exports.memory.buffer);
 		heap.set(bytes(vertex_positions), sp);
 		heap.set(bytes(vertex_attributes), sa);
 		heap.set(bytes(attribute_weights), sw);
 		heap.set(bytes(indices), si);
-		if (vertex_lock)
+		if (vertex_lock) {
 			heap.set(bytes(vertex_lock), vl);
+		}
 		var result = fun(ti, si, index_count, sp, vertex_count, vertex_positions_stride, sa, vertex_attributes_stride, sw, attribute_weights.length, vl, target_index_count, target_error, options, te);
 		// heap may have grown
 		heap = new Uint8Array(instance.exports.memory.buffer);
@@ -164,7 +165,7 @@ var MeshoptSimplifier = (function () {
 		// note that these functions are experimental and may change interface/behavior in a way that will require revising calling code
 		useExperimentalFeatures: false,
 
-		compactMesh: function (indices) {
+		compactMesh: function(indices) {
 			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
 			assert(indices.length % 3 == 0);
 
@@ -172,7 +173,7 @@ var MeshoptSimplifier = (function () {
 			return reorder(instance.exports.meshopt_optimizeVertexFetchRemap, indices32, maxindex(indices) + 1);
 		},
 
-		simplify: function (indices, vertex_positions, vertex_positions_stride, target_index_count, target_error, flags) {
+		simplify: function(indices, vertex_positions, vertex_positions_stride, target_index_count, target_error, flags) {
 			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
 			assert(indices.length % 3 == 0);
 			assert(vertex_positions instanceof Float32Array);
@@ -194,7 +195,7 @@ var MeshoptSimplifier = (function () {
 			return result;
 		},
 
-		simplifyWithAttributes: function (indices, vertex_positions, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, vertex_lock, target_index_count, target_error, flags) {
+		simplifyWithAttributes: function(indices, vertex_positions, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, vertex_lock, target_index_count, target_error, flags) {
 			assert(this.useExperimentalFeatures); // set useExperimentalFeatures to use this; note that this function is experimental and may change interface in a way that will require revising calling code
 			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
 			assert(indices.length % 3 == 0);
@@ -217,24 +218,21 @@ var MeshoptSimplifier = (function () {
 				options |= simplifyOptions[flags[i]];
 			}
 
-			if (vertex_lock)
-				vertex_lock = new Uint8Array(vertex_lock);
-
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
-			var result = simplifyAttr(instance.exports.meshopt_simplifyWithAttributes, indices32, indices.length, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, vertex_attributes, vertex_attributes_stride * 4, new Float32Array(attribute_weights), vertex_lock, target_index_count, target_error, options);
+			var result = simplifyAttr(instance.exports.meshopt_simplifyWithAttributes, indices32, indices.length, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, vertex_attributes, vertex_attributes_stride * 4, new Float32Array(attribute_weights), vertex_lock ? new Uint8Array(vertex_lock) : null, target_index_count, target_error, options);
 			result[0] = (indices instanceof Uint32Array) ? result[0] : new indices.constructor(result[0]);
 
 			return result;
 		},
 
-		getScale: function (vertex_positions, vertex_positions_stride) {
+		getScale: function(vertex_positions, vertex_positions_stride) {
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
 			assert(vertex_positions_stride >= 3);
 			return simplifyScale(instance.exports.meshopt_simplifyScale, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4);
 		},
 
-		simplifyPoints: function (vertex_positions, vertex_positions_stride, target_vertex_count, vertex_colors, vertex_colors_stride, color_weight) {
+		simplifyPoints: function(vertex_positions, vertex_positions_stride, target_vertex_count, vertex_colors, vertex_colors_stride, color_weight) {
 			assert(this.useExperimentalFeatures); // set useExperimentalFeatures to use this; note that this function is experimental and may change interface in a way that will require revising calling code
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
@@ -257,7 +255,7 @@ var MeshoptSimplifier = (function () {
 if (typeof exports === 'object' && typeof module === 'object')
 	module.exports = MeshoptSimplifier;
 else if (typeof define === 'function' && define['amd'])
-	define([], function () {
+	define([], function() {
 		return MeshoptSimplifier;
 	});
 else if (typeof exports === 'object')
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index 6232b2e50a..645878f925 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -1,11 +1,11 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-var MeshoptSimplifier = (function () {
+var MeshoptSimplifier = (function() {
 	// Built with clang version 16.0.0
 	// Built from meshoptimizer 0.20
 	var wasm = 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8YNaIaIN:tg8V:va8VJbbbb9BEg8VNh81a8YayNa8NaIN:ta8VNhBa8Xa8SNaRaIN:ta8VNh83a8YaRNa8SaIN:ta8VNhUa8Xa8PNa8RaIN:ta8VNh85a8Ya8RNa8PaIN:ta8VNh86a8Ra8SNa8PaRN:tgIaINaRa8NNa8SayN:tgIaINaya8PNa8Na8RN:tgIaINMM:r:rhIavaAaD2cdtfhKava8JaD2cdtfhLavaYaD2cdtfh5a8W:mh87a80:mh88a8Z:mh89cbhEaDh8EJbbbbh8SJbbbbh8VJbbbbh8XJbbbbh8YJbbbbh8WJbbbbh8ZJbbbbh80Jbbbbh8:JbbbbhZinasc;WbfaEfgzcwfaIaBa5IdbaKIdbg8N:tgRNa81aLIdba8N:tg8PNMgyNUdbazclfaIaUaRNa83a8PNMg8RNUdbazaIa86aRNa85a8PNMgRNUdbazcxfaIa87ayNa88a8RNa8Na89aRNMMMg8NNUdbaIaya8RNNa8YMh8YaIayaRNNa8WMh8WaIa8RaRNNa8ZMh8ZaIa8Na8NNNa8UMh8UaIaya8NNNa8SMh8SaIa8Ra8NNNa8VMh8VaIaRa8NNNa8XMh8XaIayayNNa80Mh80aIa8Ra8RNNa8:Mh8:aIaRaRNNaZMhZaKclfhKa5clfh5aLclfhLaEczfhEa8Ecufg8EmbkaoaXaAcdtfydbgKc8S2fgzaZazIdbMUdbaza8:azIdlMUdlaza80azIdwMUdwaza8ZazIdxMUdxaza8WazIdzMUdzaza8YazIdCMUdCaza8XazIdKMUdKaza8VazId3MUd3aza8SazIdaMUdaaza8UazId8KMUd8KazaIazIdyMUdyaoaXaYcdtfydbgYc8S2fgzaZazIdbMUdbaza8:azIdlMUdlaza80azIdwMUdwaza8ZazIdxMUdxaza8WazIdzMUdzaza8YazIdCMUdCaza8XazIdKMUdKaza8VazId3MUd3aza8SazIdaMUdaaza8UazId8KMUd8KazaIazIdyMUdyaoaXa8JcdtfydbgAc8S2fgzaZazIdbMUdbaza8:azIdlMUdlaza80azIdwMUdwaza8ZazIdxMUdxaza8WazIdzMUdzaza8YazIdCMUdCaza8XazIdKMUdKaza8VazId3MUd3aza8SazIdaMUdaaza8UazId8KMUd8KazaIazIdyMUdyaqaKaD2cltfh8EcbhKaDh5ina8EaKfgzasc;WbfaKfgLIdbazIdbMUdbazclfgEaLclfIdbaEIdbMUdbazcwfgEaLcwfIdbaEIdbMUdbazcxfgzaLcxfIdbazIdbMUdbaKczfhKa5cufg5mbkaqaYaD2cltfh8EcbhKaDh5ina8EaKfgzasc;WbfaKfgLIdbazIdbMUdbazclfgEaLclfIdbaEIdbMUdbazcwfgEaLcwfIdbaEIdbMUdbazcxfgzaLcxfIdbazIdbMUdbaKczfhKa5cufg5mbkaqaAaD2cltfh8EcbhKaDh5ina8EaKfgzasc;WbfaKfgLIdbazIdbMUdbazclfgEaLclfIdbaEIdbMUdbazcwfgEaLcwfIdbaEIdbMUdbazcxfgzaLcxfIdbazIdbMUdbaKczfhKa5cufg5mbka8Acifg8Aad6mbkkdnabaeSmbabaeadcdtz:kjjjb8AkasydbhncbhzdnalTmbanclfhzanydbh5a3hKalhEcbhLincbazydbg8Ea59RaKRbbcpeGEaLfhLaKcefhKazclfhza8Eh5aEcufgEmbkaLce4hzkcuadaz9Rcifgmcx2amc;v:Q;v:Qe0Ecbyd1:jjjbHjjjjbbh8Mascwfasyd9Ogzcdtfa8MBdbasazcefgKBd9OascwfaKcdtfcuamcdtamcFFFFi0Ecbyd1:jjjbHjjjjbbgwBdbasazcdfgKBd9OascwfaKcdtfaCcbyd1:jjjbHjjjjbbgOBdbasazcifgKBd9OascwfaKcdtfalcbyd1:jjjbHjjjjbbgcBdbasazclfBd9OJbbbbh8Zdnadak9nmbdnamci6mbaxaxNh8WaDclth9ca8McwfhJJbbbbh8ZinasabadggalaXz:cjjjbabhAcbhHcbhYincbhzindnaXaAazfydbgLcdtg8AfydbgEaXabazc;m1jjbfydbaYfcdtfydbgKcdtfydbg8ESmba3aKfRbbgecv2a3aLfRbbg5fc;G1jjbfRbbg8La5cv2aefg8Jc;G1jjbfRbbgiVcFeGTmbdna8Jc:W1jjbfRbbTmba8EaE0mekdna5ae9hmba5cufcFeGce0mbaaa8AfydbaK9hmeka8MaHcx2fg5aKaLaicFeGgEEBdla5aLaKaEEBdba5aEa8LGcb9hBdwaHcefhHkazclfgzcx9hmbkdnaYcifgYag9pmbaAcxfhAaHcifam9nmekkdnaHmbaghdxikcbheinJbbbbJbbjZa8FaXa8Maecx2fg5ydlgEa5ydbg8Ea5ydwgKEgYcdtfydbg8Lc8S2gifgzIdygI:vaIJbbbb9BEazIdwa8Ka8EaEaKEg8Acx2fgKIdwgRNazIdzaKIdbg8NNazIdaMgIaIMMaRNazIdlaKIdlg8PNazIdCaRNazId3MgIaIMMa8PNazIdba8NNazIdxa8PNazIdKMgIaIMMa8NNazId8KMMM:lNh8XJbbbbJbbjZa8FaXa8Ecdtfydbgdc8S2gLfgzIdygI:vaIJbbbb9BEazIdwa8KaEcx2fgKIdwg8RNazIdzaKIdbg8UNazIdaMgIaIMMa8RNazIdlaKIdlg8SNazIdCa8RNazId3MgIaIMMa8SNazIdba8UNazIdxa8SNazIdKMgIaIMMa8UNazId8KMMM:lNh8Ya5cwfhAa5clfh8JdnaDTmbaoaLfgLIdwa8RNaLIdza8UNaLIdaMgIaIMMa8RNaLIdla8SNaLIdCa8RNaLId3MgIaIMMa8SNaLIdba8UNaLIdxa8SNaLIdKMgIaIMMa8UNaLId8KMMMhyavaEaD2cdtfhKaqadaD2cltfhzaLIdyh8VaDhLinaKIdbgIJbbb;aNazcxfIdba8RazcwfIdbNa8UazIdbNa8SazclfIdbNMMMNaIaINa8VNayMMhyaKclfhKazczfhzaLcufgLmbkaoaifgLIdwaRNaLIdza8NNaLIdaMgIaIMMaRNaLIdla8PNaLIdCaRNaLId3MgIaIMMa8PNaLIdba8NNaLIdxa8PNaLIdKMgIaIMMa8NNaLId8KMMMh8Rava8AaD2cdtfhKaqa8LaD2cltfhzaLIdyh8UaDhLinaKIdbgIJbbb;aNazcxfIdbaRazcwfIdbNa8NazIdbNa8PazclfIdbNMMMNaIaINa8UNa8RMMh8RaKclfhKazczfhzaLcufgLmbka8Xa8R:lMh8Xa8Yay:lMh8Yka8JaEa8Aa8Ya8X9FgzEBdba5a8EaYazEBdbaAa8Ya8XazEUdbaecefgeaH9hmbkasc;Wbfcbcj;abz:ljjjb8AaJhzaHhKinasc;WbfazydbcO4c;8ZGfgLaLydbcefBdbazcxfhzaKcufgKmbkcbhzcbhKinasc;WbfazfgLydbh5aLaKBdba5aKfhKazclfgzcj;ab9hmbkcbhzaJhKinasc;WbfaKydbcO4c;8ZGfgLaLydbgLcefBdbawaLcdtfazBdbaKcxfhKaHazcefgz9hmbkagak9RgLci9Uh9ednalTmbcbhzaOhKinaKazBdbaKclfhKalazcefgz9hmbkkcbhTaccbalz:ljjjbhSaLcO9Uh9ha9ece4h9iasydlh6cbhicbh8Jdnina8Mawa8Jcdtfydbcx2fgAIdwgya8W9Emeaia9e9pmeJFFuuhIdna9iaH9pmba8Mawa9icdtfydbcx2fIdwJbb;aZNhIkdnayaI9ETmbaia9h0mdkdnaSaXaAydlg9kcdtg0fydbg5fg9mRbbaSaXaAydbgYcdtg9nfydbg9ofg9pRbbVmbdnana9ocdtfgzclfydbgKazydbgzSmbaKaz9Rh8Ea6azcitfhza8Ka5cx2fg8Acwfhda8AclfhCa8Ka9ocx2fg8Lcwfhra8Lclfh9qcbhKcehednindnaOazydbcdtfydbgLa5SmbaOazclfydbcdtfydbgEa5SmbaLaESmba8KaEcx2fgEIdba8KaLcx2fgLIdbg8R:tgIa9qIdbaLIdlgR:tg8NNa8LIdba8R:tg8PaEIdlaR:tgyN:taIaCIdbaR:tg8UNa8AIdba8R:tg8SayN:tNayarIdbaLIdwgR:tg8VNa8NaEIdwaR:tg8RN:tayadIdbaR:tgRNa8Ua8RN:tNa8Ra8PNa8VaIN:ta8Ra8SNaRaIN: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: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:cjjjbkdnaPTmbaPa8Z:rUdbkasyd9Ogzcdtascwffc98fhXdninazTmeaXydbcbyd:m:jjjbH:bjjjbbaXc98fhXazcufhzxbkkasc;W;abf8Kjjjjbadk;:ieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbarcearce0EhdinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfheadcufgdmbkkabydbcbBdbk:Zldouv998Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdnadTmbaicd4hvdnabTmbavcdthocbhraehwinabarcx2fgiaearav2cdtfgDIdbUdbaiaDIdlUdlaiaDIdwUdwcbhiinalczfaifgDawaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkawaofhwarcefgrad9hmbxdkkavcdthrcbhwincbhiinalczfaifgDaeaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkaearfheawcefgwad9hmbkkdnabTmbadTmbJbbbbJbbjZalIdbalIdzgk:tJbbbb:xgqalIdlalIdCgx:tgmamaq9DEgqalIdwalIdKgm:tgPaPaq9DEgq:vaqJbbbb9BEhqinabaqabIdbak:tNUdbabclfgiaqaiIdbax:tNUdbabcwfgiaqaiIdbam:tNUdbabcxfhbadcufgdmbkkk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;lOowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcwfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd1:jjjbHjjjjbbgqBdwawceBd9Oaqaeadaiz:djjjbawcuadcdtadcFFFFi0Egkcbyd1:jjjbHjjjjbbgxBdxawcdBd9Oadcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd1:jjjbHjjjjbbgsBdzawciBd9Odndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd1:jjjbHjjjjbbg5BdCawclBd9OdndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd1:jjjbHjjjjbbgeBdKawcvBd9Oaecbaiz:ljjjbhOavcd4hxdnadTmbaxcdth3a5hmalhAaqheadhEinaOamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaAc;81jjbalEgCIdbaiIdxMUdxaiaCIdlaiIdzMUdzaiaCIdwaiIdCMUdCaiaiIdKJbbjZMUdKamclfhmaAa3fhAaecxfheaEcufgEmbkkdnaDTmbaOcxfhiaDheinaictfgmamIdbJbbbbJbbjZaicxfIdbgH:vaHJbbbb9BEgHNUdbaic94fgmaHamIdbNUdbaic98fgmaHamIdbNUdbaiaHaiIdbNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd1:jjjbHjjjjbbgeBd3awcoBd9Oawaicbyd1:jjjbHjjjjbbgEBdaaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;81jjbalEgmIdwaOa5ydbgCc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aCcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcwffydbcbyd:m:jjjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Qdidui99ducbhi8Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdndnaembJbbjFhvJbbjFhoJbbjFhrxekadcd4cdthwincbhdinalczfadfgDabadfIdbgoaDIdbgrarao9EEUdbaladfgDaoaDIdbgrarao9DEUdbadclfgdcx9hmbkabawfhbaicefgiae9hmbkalIdwalIdK:thralIdlalIdC:thoalIdbalIdz:thvkavJbbbb:xgvaoaoav9DEgoararao9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcifc98GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcrfc94GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd:q:jjjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd:q:jjjbfgdBd:q:jjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:Iedbcjwk1eFFuuFFuuFFuuFFuFFFuFFFuFbbbbbbbbebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc1Dkxebbbdbbb:G9Kbb";
 
-	var wasmpack = new Uint8Array([32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67, 24, 23, 146, 148, 18, 14, 22, 45, 70, 69, 56, 114, 101, 21, 25, 63, 75, 136, 108, 28, 118, 29, 73, 115]);
+	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 
 	if (typeof WebAssembly !== 'object') {
 		return {
@@ -17,10 +17,10 @@ var MeshoptSimplifier = (function () {
 
 	var ready =
 		WebAssembly.instantiate(unpack(wasm), {})
-			.then(function (result) {
-				instance = result.instance;
-				instance.exports.__wasm_call_ctors();
-			});
+		.then(function(result) {
+			instance = result.instance;
+			instance.exports.__wasm_call_ctors();
+		});
 
 	function unpack(data) {
 		var result = new Uint8Array(data.length);
@@ -103,14 +103,15 @@ var MeshoptSimplifier = (function () {
 		var sa = sbrk(vertex_count * vertex_attributes_stride);
 		var sw = sbrk(attribute_weights.length * 4);
 		var si = sbrk(index_count * 4);
-		var vl = vertex_lock && sbrk(vertex_count);
+		var vl = vertex_lock ? sbrk(vertex_count) : 0;
 		var heap = new Uint8Array(instance.exports.memory.buffer);
 		heap.set(bytes(vertex_positions), sp);
 		heap.set(bytes(vertex_attributes), sa);
 		heap.set(bytes(attribute_weights), sw);
 		heap.set(bytes(indices), si);
-		if (vertex_lock)
+		if (vertex_lock) {
 			heap.set(bytes(vertex_lock), vl);
+		}
 		var result = fun(ti, si, index_count, sp, vertex_count, vertex_positions_stride, sa, vertex_attributes_stride, sw, attribute_weights.length, vl, target_index_count, target_error, options, te);
 		// heap may have grown
 		heap = new Uint8Array(instance.exports.memory.buffer);
@@ -163,7 +164,7 @@ var MeshoptSimplifier = (function () {
 		// note that these functions are experimental and may change interface/behavior in a way that will require revising calling code
 		useExperimentalFeatures: false,
 
-		compactMesh: function (indices) {
+		compactMesh: function(indices) {
 			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
 			assert(indices.length % 3 == 0);
 
@@ -171,7 +172,7 @@ var MeshoptSimplifier = (function () {
 			return reorder(instance.exports.meshopt_optimizeVertexFetchRemap, indices32, maxindex(indices) + 1);
 		},
 
-		simplify: function (indices, vertex_positions, vertex_positions_stride, target_index_count, target_error, flags) {
+		simplify: function(indices, vertex_positions, vertex_positions_stride, target_index_count, target_error, flags) {
 			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
 			assert(indices.length % 3 == 0);
 			assert(vertex_positions instanceof Float32Array);
@@ -193,7 +194,7 @@ var MeshoptSimplifier = (function () {
 			return result;
 		},
 
-		simplifyWithAttributes: function (indices, vertex_positions, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, vertex_lock, target_index_count, target_error, flags) {
+		simplifyWithAttributes: function(indices, vertex_positions, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, vertex_lock, target_index_count, target_error, flags) {
 			assert(this.useExperimentalFeatures); // set useExperimentalFeatures to use this; note that this function is experimental and may change interface in a way that will require revising calling code
 			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
 			assert(indices.length % 3 == 0);
@@ -216,24 +217,21 @@ var MeshoptSimplifier = (function () {
 				options |= simplifyOptions[flags[i]];
 			}
 
-			if (vertex_lock)
-				vertex_lock = new Uint8Array(vertex_lock);
-
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
-			var result = simplifyAttr(instance.exports.meshopt_simplifyWithAttributes, indices32, indices.length, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, vertex_attributes, vertex_attributes_stride * 4, new Float32Array(attribute_weights), vertex_lock, target_index_count, target_error, options);
+			var result = simplifyAttr(instance.exports.meshopt_simplifyWithAttributes, indices32, indices.length, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, vertex_attributes, vertex_attributes_stride * 4, new Float32Array(attribute_weights), vertex_lock ? new Uint8Array(vertex_lock) : null, target_index_count, target_error, options);
 			result[0] = (indices instanceof Uint32Array) ? result[0] : new indices.constructor(result[0]);
 
 			return result;
 		},
 
-		getScale: function (vertex_positions, vertex_positions_stride) {
+		getScale: function(vertex_positions, vertex_positions_stride) {
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
 			assert(vertex_positions_stride >= 3);
 			return simplifyScale(instance.exports.meshopt_simplifyScale, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4);
 		},
 
-		simplifyPoints: function (vertex_positions, vertex_positions_stride, target_vertex_count, vertex_colors, vertex_colors_stride, color_weight) {
+		simplifyPoints: function(vertex_positions, vertex_positions_stride, target_vertex_count, vertex_colors, vertex_colors_stride, color_weight) {
 			assert(this.useExperimentalFeatures); // set useExperimentalFeatures to use this; note that this function is experimental and may change interface in a way that will require revising calling code
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);

From 3c3e56d312cbe7d5929c78401de2124c7be3bc07 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 2 Apr 2024 16:40:15 -0700
Subject: [PATCH 045/581] Update vertex_lock documentation for clarity

---
 src/meshoptimizer.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 722ecb0c36..c377eebbc3 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -357,7 +357,7 @@ MESHOPTIMIZER_API size_t meshopt_simplify(unsigned int* destination, const unsig
  * vertex_attributes should have attribute_count floats for each vertex
  * attribute_weights should have attribute_count floats in total; the weights determine relative priority of attributes between each other and wrt position. The recommended weight range is [1e-3..1e-1], assuming attribute data is in [0..1] range.
  * attribute_count must be <= 16
- * vertex_lock can be NULL; when not NULL, it should have vertex_count chars, 1 for each vertex; they determine which vertices are locked (1) or free to be simplified (0).
+ * vertex_lock can be NULL; when it's not NULL, it should have a value for each vertex; 1 denotes vertices that can't be moved
  * TODO target_error/result_error currently use combined distance+attribute error; this may change in the future
  */
 MESHOPTIMIZER_EXPERIMENTAL size_t meshopt_simplifyWithAttributes(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride, const float* vertex_attributes, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, const unsigned char* vertex_lock, size_t target_index_count, float target_error, unsigned int options, float* result_error);

From 9591117afa90d826116d8564dc96d15eabf25869 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 2 Apr 2024 16:45:39 -0700
Subject: [PATCH 046/581] demo: Add tests for simplification with locked
 vertices

The test data is identical to simplifyLockBorder but allows to specify
the border explicitly instead of inferring it.
---
 demo/tests.cpp | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 5eb3d6f2b5..58ec3de18c 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1185,6 +1185,55 @@ static void simplifyAttr()
 	assert(memcmp(ib, expected, sizeof(expected)) == 0);
 }
 
+static void simplifyLockFlags()
+{
+	float vb[] = {
+	    0.000000f, 0.000000f, 0.000000f,
+	    0.000000f, 1.000000f, 0.000000f,
+	    0.000000f, 2.000000f, 0.000000f,
+	    1.000000f, 0.000000f, 0.000000f,
+	    1.000000f, 1.000000f, 0.000000f,
+	    1.000000f, 2.000000f, 0.000000f,
+	    2.000000f, 0.000000f, 0.000000f,
+	    2.000000f, 1.000000f, 0.000000f,
+	    2.000000f, 2.000000f, 0.000000f, // clang-format :-/
+	};
+
+	unsigned char lock[9] = {
+		1, 1, 1,
+		1, 0, 1,
+		1, 1, 1, // clang-format :-/
+	};
+
+	// 0 1 2
+	// 3 4 5
+	// 6 7 8
+
+	unsigned int ib[] = {
+	    0, 1, 3,
+	    3, 1, 4,
+	    1, 2, 4,
+	    4, 2, 5,
+	    3, 4, 6,
+	    6, 4, 7,
+	    4, 5, 7,
+	    7, 5, 8, // clang-format :-/
+	};
+
+	unsigned int expected[] = {
+	    0, 1, 3,
+	    1, 2, 3,
+	    3, 2, 5,
+	    6, 3, 7,
+	    3, 5, 7,
+	    7, 5, 8, // clang-format :-/
+	};
+
+	assert(meshopt_simplifyWithAttributes(ib, ib, 24, vb, 9, 12, NULL, 0, NULL, 0, lock, 3, 1e-3f, 0) == 18);
+	assert(memcmp(ib, expected, sizeof(expected)) == 0);
+}
+
+
 static void adjacency()
 {
 	// 0 1/4
@@ -1399,6 +1448,7 @@ void runTests()
 	simplifyDegenerate();
 	simplifyLockBorder();
 	simplifyAttr();
+	simplifyLockFlags();
 
 	adjacency();
 	tessellation();

From b936f0ad7e01d2469fe381c2052f4159b17cdd0e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 2 Apr 2024 16:53:16 -0700
Subject: [PATCH 047/581] js: Fix simplifyWithAttributes type annotation

vertex_lock may be null. For now let's keep it as boolean[] although
Uint8Array might be more appropriate in the future.
---
 js/meshopt_simplifier.module.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/meshopt_simplifier.module.d.ts b/js/meshopt_simplifier.module.d.ts
index 6c2bdf8374..7e95ad83d8 100644
--- a/js/meshopt_simplifier.module.d.ts
+++ b/js/meshopt_simplifier.module.d.ts
@@ -13,7 +13,7 @@ export const MeshoptSimplifier: {
     simplify: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, target_index_count: number, target_error: number, flags?: Flags[]) => [Uint32Array, number];
 
     // Experimental; requires useExperimentalFeatures to be set to true
-    simplifyWithAttributes: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, vertex_attributes: Float32Array, vertex_attributes_stride: number, attribute_weights: number[], vertex_lock: boolean[], target_index_count: number, target_error: number, flags?: Flags[]) => [Uint32Array, number];
+    simplifyWithAttributes: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, vertex_attributes: Float32Array, vertex_attributes_stride: number, attribute_weights: number[], vertex_lock: boolean[] | null, target_index_count: number, target_error: number, flags?: Flags[]) => [Uint32Array, number];
 
     getScale: (vertex_positions: Float32Array, vertex_positions_stride: number) => number;
 

From dba0bee76cd48d8f99dced07e4b76c9c88e7e0e8 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 7 Apr 2024 16:34:49 -0400
Subject: [PATCH 048/581] gltfpack: Consolidate image error reporting

Instead of printing to stderr manually whenever we have a case when an
image can't be saved, call writeImageError; this unifies the error
reporting and allows us to produce JSON content that indicates an error.
---
 gltf/gltfpack.cpp |  4 ++--
 gltf/gltfpack.h   |  3 ++-
 gltf/write.cpp    | 19 +++++++++++++------
 3 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index b20103d3ba..48a0734570 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -480,9 +480,9 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		if (encoded_images.size() && !encoded_images[i].empty())
 		{
 			if (encoded_images[i].compare(0, 5, "error") == 0)
-				fprintf(stderr, "Warning: unable to encode image %d (%s), skipping (%s)\n", int(i), image.uri ? image.uri : "?", encoded_images[i].c_str());
+				writeImageError(json_images, "encode", int(i), image.uri, encoded_images[i].c_str());
 			else
-				writeEncodedImage(json_images, views, image, encoded_images[i], images[i], output_path, settings);
+				writeEncodedImage(json_images, views, image, encoded_images[i], images[i], i, output_path, settings);
 
 			encoded_images[i] = std::string(); // reclaim memory early
 		}
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 0a2bdf84ea..e22608466e 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -369,7 +369,8 @@ void writeMaterial(std::string& json, const cgltf_data* data, const cgltf_materi
 void writeBufferView(std::string& json, BufferView::Kind kind, StreamFormat::Filter filter, size_t count, size_t stride, size_t bin_offset, size_t bin_size, BufferView::Compression compression, size_t compressed_offset, size_t compressed_size);
 void writeSampler(std::string& json, const cgltf_sampler& sampler);
 void writeImage(std::string& json, std::vector<BufferView>& views, const cgltf_image& image, const ImageInfo& info, size_t index, const char* input_path, const char* output_path, const Settings& settings);
-void writeEncodedImage(std::string& json, std::vector<BufferView>& views, const cgltf_image& image, const std::string& encoded, const ImageInfo& info, const char* output_path, const Settings& settings);
+void writeImageError(std::string& json, const char* action, size_t index, const char* uri, const char* reason = NULL);
+void writeEncodedImage(std::string& json, std::vector<BufferView>& views, const cgltf_image& image, const std::string& encoded, const ImageInfo& info, size_t index, const char* output_path, const Settings& settings);
 void writeTexture(std::string& json, const cgltf_texture& texture, const ImageInfo* info, cgltf_data* data, const Settings& settings);
 void writeMeshAttributes(std::string& json, std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const Mesh& mesh, int target, const QuantizationPosition& qp, const QuantizationTexture& qt, const Settings& settings);
 size_t writeMeshIndices(std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const Mesh& mesh, const Settings& settings);
diff --git a/gltf/write.cpp b/gltf/write.cpp
index 413c96eced..7eae0d6c8e 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -896,7 +896,7 @@ void writeSampler(std::string& json, const cgltf_sampler& sampler)
 	}
 }
 
-static void writeImageData(std::string& json, std::vector<BufferView>& views, const char* uri, const char* mime_type, const std::string& contents, const char* output_path, TextureKind kind, bool embed)
+static void writeImageData(std::string& json, std::vector<BufferView>& views, size_t index, const char* uri, const char* mime_type, const std::string& contents, const char* output_path, TextureKind kind, bool embed)
 {
 	bool dataUri = uri && strncmp(uri, "data:", 5) == 0;
 
@@ -913,7 +913,7 @@ static void writeImageData(std::string& json, std::vector<BufferView>& views, co
 		}
 		else
 		{
-			fprintf(stderr, "Warning: unable to save image %s to %s, skipping\n", uri, file_path.c_str());
+			writeImageError(json, "save", int(index), uri, file_path.c_str());
 		}
 	}
 	else
@@ -939,16 +939,23 @@ void writeImage(std::string& json, std::vector<BufferView>& views, const cgltf_i
 	std::string mime_type;
 	if (!readImage(image, input_path, img_data, mime_type))
 	{
-		fprintf(stderr, "Warning: unable to read image %d (%s), skipping\n", int(index), image.uri ? image.uri : "?");
+		writeImageError(json, "read", index, image.uri);
 		return;
 	}
 
-	writeImageData(json, views, image.uri, mime_type.c_str(), img_data, output_path, info.kind, settings.texture_embed);
+	writeImageData(json, views, index, image.uri, mime_type.c_str(), img_data, output_path, info.kind, settings.texture_embed);
 }
 
-void writeEncodedImage(std::string& json, std::vector<BufferView>& views, const cgltf_image& image, const std::string& encoded, const ImageInfo& info, const char* output_path, const Settings& settings)
+void writeImageError(std::string& json, const char* action, size_t index, const char* uri, const char* reason)
 {
-	writeImageData(json, views, image.uri, "image/ktx2", encoded, output_path, info.kind, settings.texture_embed);
+	(void)json;
+
+	fprintf(stderr, "Warning: unable to %s image %d (%s), skipping%s%s%s\n", action, int(index), uri ? uri : "embedded", reason ? " (" : "", reason ? reason : "", reason ? ")" : "");
+}
+
+void writeEncodedImage(std::string& json, std::vector<BufferView>& views, const cgltf_image& image, const std::string& encoded, const ImageInfo& info, size_t index, const char* output_path, const Settings& settings)
+{
+	writeImageData(json, views, index, image.uri, "image/ktx2", encoded, output_path, info.kind, settings.texture_embed);
 }
 
 void writeTexture(std::string& json, const cgltf_texture& texture, const ImageInfo* info, cgltf_data* data, const Settings& settings)

From e20baef154adb3c1d3d6a560440120dffab6533b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 8 Apr 2024 17:19:34 -0400
Subject: [PATCH 049/581] gltfpack: Use ERR Base64 embedded data for invalid
 images

This prevents errors around missing images in case we can't find the source image
or can't encode it. Loading the resulting glTF file will result in a PNG decode
error.

Unfortunately, files like this are still treated as invalid by glTF spec/validator.
---
 gltf/write.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gltf/write.cpp b/gltf/write.cpp
index 7eae0d6c8e..96794bb800 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -948,7 +948,9 @@ void writeImage(std::string& json, std::vector<BufferView>& views, const cgltf_i
 
 void writeImageError(std::string& json, const char* action, size_t index, const char* uri, const char* reason)
 {
-	(void)json;
+	append(json, "\"uri\":\"");
+	append(json, "data:image/png;base64,ERR/");
+	append(json, "\"");
 
 	fprintf(stderr, "Warning: unable to %s image %d (%s), skipping%s%s%s\n", action, int(index), uri ? uri : "embedded", reason ? " (" : "", reason ? reason : "", reason ? ")" : "");
 }

From df665ec69ba134713ac057c4f7e65f938970ec73 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 10 Apr 2024 10:32:25 -0700
Subject: [PATCH 050/581] gltfpack: Fixup image mime type between jpeg/png
 based on headers

Some glTF files exported by non-compliant tool chains may use mimeType:
image/png but use JPEG images. While these files are invalid, it would
be helpful to make an effort to fix this as the mimeType information is
fairly redundant.

This change uses image header patterns defined in glTF specification to
override mime type even if it's defined based on the image contents;
this is done in readImage so that all consumers (that are mime type
dependent!) get the correct result.
---
 gltf/image.cpp | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/gltf/image.cpp b/gltf/image.cpp
index 2b8b6059ad..e45e223aa4 100644
--- a/gltf/image.cpp
+++ b/gltf/image.cpp
@@ -59,10 +59,22 @@ static bool parseDataUri(const char* uri, std::string& mime_type, std::string& r
 	return false;
 }
 
+static std::string fixupMimeType(const std::string& data, const std::string& mime_type)
+{
+	if (mime_type == "image/jpeg" && data.compare(0, 8, "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a") == 0)
+		return "image/png";
+
+	if (mime_type == "image/png" && data.compare(0, 3, "\xff\xd8\xff") == 0)
+		return "image/jpeg";
+
+	return mime_type;
+}
+
 bool readImage(const cgltf_image& image, const char* input_path, std::string& data, std::string& mime_type)
 {
 	if (image.uri && parseDataUri(image.uri, mime_type, data))
 	{
+		mime_type = fixupMimeType(data, mime_type);
 		return true;
 	}
 	else if (image.buffer_view && image.buffer_view->buffer->data && image.mime_type)
@@ -70,7 +82,9 @@ bool readImage(const cgltf_image& image, const char* input_path, std::string& da
 		const cgltf_buffer_view* view = image.buffer_view;
 
 		data.assign(static_cast<const char*>(view->buffer->data) + view->offset, view->size);
+
 		mime_type = image.mime_type;
+		mime_type = fixupMimeType(data, image.mime_type);
 		return true;
 	}
 	else if (image.uri && *image.uri && input_path)
@@ -80,9 +94,12 @@ bool readImage(const cgltf_image& image, const char* input_path, std::string& da
 		cgltf_decode_uri(&path[0]);
 		path.resize(strlen(&path[0]));
 
-		mime_type = image.mime_type ? image.mime_type : inferMimeType(path.c_str());
+		if (!readFile(getFullPath(path.c_str(), input_path).c_str(), data))
+			return false;
 
-		return readFile(getFullPath(path.c_str(), input_path).c_str(), data);
+		mime_type = image.mime_type ? image.mime_type : inferMimeType(path.c_str());
+		mime_type = fixupMimeType(data, mime_type);
+		return true;
 	}
 	else
 	{

From 1060814598ec0118caf87722f18117f5e97835db Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 12 Apr 2024 09:16:18 -0700
Subject: [PATCH 051/581] gltfpack: Adjust help to more accurately document -vn

Tangents don't need as much precision as normals so we're limiting them
to 8 bits; this allows higher-than-8 bit normals to preserve specular
highlights at a smaller incremental size impact.

Fixes #674.
---
 gltf/gltfpack.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 48a0734570..0d9adb2e0c 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -1501,7 +1501,7 @@ int main(int argc, char** argv)
 			fprintf(stderr, "\nVertex precision:\n");
 			fprintf(stderr, "\t-vp N: use N-bit quantization for positions (default: 14; N should be between 1 and 16)\n");
 			fprintf(stderr, "\t-vt N: use N-bit quantization for texture coordinates (default: 12; N should be between 1 and 16)\n");
-			fprintf(stderr, "\t-vn N: use N-bit quantization for normals and tangents (default: 8; N should be between 1 and 16)\n");
+			fprintf(stderr, "\t-vn N: use N-bit quantization for normals (default: 8; N should be between 1 and 16) and tangents (up to 8-bit)\n");
 			fprintf(stderr, "\t-vc N: use N-bit quantization for colors (default: 8; N should be between 1 and 16)\n");
 			fprintf(stderr, "\nVertex positions:\n");
 			fprintf(stderr, "\t-vpi: use integer attributes for positions (default)\n");

From fc52bbde30107b382f0c923d05bfec844c9a2dd9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 22 Apr 2024 13:59:15 -0700
Subject: [PATCH 052/581] gltfpack: Validate areMaterialsEqual correctness via
 a self check

This improves coverage and will hopefully make sure areMaterialsEqual
doesn't have obvious validity bugs where eg we compare two different
fields accidentally.
---
 gltf/material.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gltf/material.cpp b/gltf/material.cpp
index 7db0e20f28..0ae2abf93c 100644
--- a/gltf/material.cpp
+++ b/gltf/material.cpp
@@ -355,6 +355,8 @@ void mergeMeshMaterials(cgltf_data* data, std::vector<Mesh>& meshes, const Setti
 		if (settings.keep_materials && data->materials[i].name && *data->materials[i].name)
 			continue;
 
+		assert(areMaterialsEqual(data->materials[i], data->materials[i], settings));
+
 		for (size_t j = 0; j < i; ++j)
 		{
 			if (settings.keep_materials && data->materials[j].name && *data->materials[j].name)

From d7b576a229a45cecdab47dad1b6e7485b754e98d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 22 Apr 2024 14:17:29 -0700
Subject: [PATCH 053/581] gltfpack: Warn when an unsupported extension is
 required

Instead of silently dropping all of the extension's data we now warn
when we don't support it and it's listed as required. To simplify
maintenance we assume that we don't support any extension that we don't
preserve, which should mostly be correct.
---
 gltf/gltfpack.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 0d9adb2e0c..62ae7b32bf 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -250,6 +250,15 @@ static bool canTransformMesh(const Mesh& mesh)
 	return true;
 }
 
+static bool isExtensionSupported(const ExtensionInfo* extensions, size_t count, const char* name)
+{
+	for (size_t i = 0; i < count; ++i)
+		if (strcmp(extensions[i].name, name) == 0)
+			return true;
+
+	return false;
+}
+
 static void process(cgltf_data* data, const char* input_path, const char* output_path, const char* report_path, std::vector<Mesh>& meshes, std::vector<Animation>& animations, const Settings& settings, std::string& json, std::string& bin, std::string& fallback, size_t& fallback_size)
 {
 	if (settings.verbose)
@@ -836,6 +845,16 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	    {"EXT_mesh_gpu_instancing", ext_instancing, true},
 	};
 
+	for (size_t i = 0; i < data->extensions_required_count; ++i)
+	{
+		const char* ext = data->extensions_required[i];
+
+		if (!isExtensionSupported(extensions, sizeof(extensions) / sizeof(extensions[0]), ext))
+		{
+			fprintf(stderr, "Warning: required extension %s is not supported and will be skipped\n", ext);
+		}
+	}
+
 	writeExtensions(json, extensions, sizeof(extensions) / sizeof(extensions[0]));
 
 	std::string json_views;

From 6d0d7ec01bbc67a464d55c13c08a600b3ba9bc3b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 25 Apr 2024 17:15:42 -0700
Subject: [PATCH 054/581] extern: Update cgltf to 1.14

We were almost caught up but this is adding a missed merge that improves
error messages for invalid animations.
---
 extern/cgltf.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/extern/cgltf.h b/extern/cgltf.h
index d18230a903..17dc0ca5d2 100644
--- a/extern/cgltf.h
+++ b/extern/cgltf.h
@@ -1,7 +1,7 @@
 /**
  * cgltf - a single-file glTF 2.0 parser written in C99.
  *
- * Version: 1.13
+ * Version: 1.14
  *
  * Website: https://github.com/jkuhlmann/cgltf
  *
@@ -1745,7 +1745,7 @@ cgltf_result cgltf_validate(cgltf_data* data)
 
 			cgltf_size values = channel->sampler->interpolation == cgltf_interpolation_type_cubic_spline ? 3 : 1;
 
-			CGLTF_ASSERT_IF(channel->sampler->input->count * components * values != channel->sampler->output->count, cgltf_result_data_too_short);
+			CGLTF_ASSERT_IF(channel->sampler->input->count * components * values != channel->sampler->output->count, cgltf_result_invalid_gltf);
 		}
 	}
 

From 5c0bb7058bde1037ccea35fa73f18e79d5427d22 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 30 Apr 2024 14:35:28 -0700
Subject: [PATCH 055/581] gltfpack: Refactor writeImage to consolidate encoded
 image logic

Instead of allowing the caller to deal with encoded images we now pass the
data to writeImage and allow it to write it. This slightly unifies the
error and data write flow and makes it easier to change this logic in one
place.
---
 gltf/gltfpack.cpp | 19 ++++++-------------
 gltf/gltfpack.h   |  4 +---
 gltf/write.cpp    | 37 +++++++++++++++++++++----------------
 3 files changed, 28 insertions(+), 32 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 62ae7b32bf..a01f2070c5 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -484,22 +484,15 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	{
 		const cgltf_image& image = data->images[i];
 
+		std::string* encoded = (encoded_images.size() && !encoded_images[i].empty()) ? &encoded_images[i] : NULL;
+
 		comma(json_images);
 		append(json_images, "{");
-		if (encoded_images.size() && !encoded_images[i].empty())
-		{
-			if (encoded_images[i].compare(0, 5, "error") == 0)
-				writeImageError(json_images, "encode", int(i), image.uri, encoded_images[i].c_str());
-			else
-				writeEncodedImage(json_images, views, image, encoded_images[i], images[i], i, output_path, settings);
-
-			encoded_images[i] = std::string(); // reclaim memory early
-		}
-		else
-		{
-			writeImage(json_images, views, image, images[i], i, input_path, output_path, settings);
-		}
+		writeImage(json_images, views, image, images[i], encoded, i, input_path, output_path, settings);
 		append(json_images, "}");
+
+		if (encoded)
+			*encoded = std::string(); // reclaim memory early
 	}
 
 	for (size_t i = 0; i < data->textures_count; ++i)
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index e22608466e..5e221d673f 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -368,9 +368,7 @@ const char* animationPath(cgltf_animation_path_type type);
 void writeMaterial(std::string& json, const cgltf_data* data, const cgltf_material& material, const QuantizationPosition* qp, const QuantizationTexture* qt, std::vector<TextureInfo>& textures);
 void writeBufferView(std::string& json, BufferView::Kind kind, StreamFormat::Filter filter, size_t count, size_t stride, size_t bin_offset, size_t bin_size, BufferView::Compression compression, size_t compressed_offset, size_t compressed_size);
 void writeSampler(std::string& json, const cgltf_sampler& sampler);
-void writeImage(std::string& json, std::vector<BufferView>& views, const cgltf_image& image, const ImageInfo& info, size_t index, const char* input_path, const char* output_path, const Settings& settings);
-void writeImageError(std::string& json, const char* action, size_t index, const char* uri, const char* reason = NULL);
-void writeEncodedImage(std::string& json, std::vector<BufferView>& views, const cgltf_image& image, const std::string& encoded, const ImageInfo& info, size_t index, const char* output_path, const Settings& settings);
+void writeImage(std::string& json, std::vector<BufferView>& views, const cgltf_image& image, const ImageInfo& info, const std::string* encoded, size_t index, const char* input_path, const char* output_path, const Settings& settings);
 void writeTexture(std::string& json, const cgltf_texture& texture, const ImageInfo* info, cgltf_data* data, const Settings& settings);
 void writeMeshAttributes(std::string& json, std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const Mesh& mesh, int target, const QuantizationPosition& qp, const QuantizationTexture& qt, const Settings& settings);
 size_t writeMeshIndices(std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const Mesh& mesh, const Settings& settings);
diff --git a/gltf/write.cpp b/gltf/write.cpp
index 96794bb800..2ab0d1903e 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -896,6 +896,15 @@ void writeSampler(std::string& json, const cgltf_sampler& sampler)
 	}
 }
 
+static void writeImageError(std::string& json, const char* action, size_t index, const char* uri, const char* reason)
+{
+	append(json, "\"uri\":\"");
+	append(json, "data:image/png;base64,ERR/");
+	append(json, "\"");
+
+	fprintf(stderr, "Warning: unable to %s image %d (%s), skipping%s%s%s\n", action, int(index), uri ? uri : "embedded", reason ? " (" : "", reason ? reason : "", reason ? ")" : "");
+}
+
 static void writeImageData(std::string& json, std::vector<BufferView>& views, size_t index, const char* uri, const char* mime_type, const std::string& contents, const char* output_path, TextureKind kind, bool embed)
 {
 	bool dataUri = uri && strncmp(uri, "data:", 5) == 0;
@@ -922,8 +931,18 @@ static void writeImageData(std::string& json, std::vector<BufferView>& views, si
 	}
 }
 
-void writeImage(std::string& json, std::vector<BufferView>& views, const cgltf_image& image, const ImageInfo& info, size_t index, const char* input_path, const char* output_path, const Settings& settings)
+void writeImage(std::string& json, std::vector<BufferView>& views, const cgltf_image& image, const ImageInfo& info, const std::string* encoded, size_t index, const char* input_path, const char* output_path, const Settings& settings)
 {
+	if (encoded)
+	{
+		// image was pre-encoded via encodeImages (which might have failed!)
+		if (encoded->compare(0, 5, "error") == 0)
+			writeImageError(json, "encode", int(index), image.uri, encoded->c_str());
+		else
+			writeImageData(json, views, index, image.uri, "image/ktx2", *encoded, output_path, info.kind, settings.texture_embed);
+		return;
+	}
+
 	bool dataUri = image.uri && strncmp(image.uri, "data:", 5) == 0;
 
 	if (image.uri && !dataUri && settings.texture_ref)
@@ -939,27 +958,13 @@ void writeImage(std::string& json, std::vector<BufferView>& views, const cgltf_i
 	std::string mime_type;
 	if (!readImage(image, input_path, img_data, mime_type))
 	{
-		writeImageError(json, "read", index, image.uri);
+		writeImageError(json, "read", index, image.uri, NULL);
 		return;
 	}
 
 	writeImageData(json, views, index, image.uri, mime_type.c_str(), img_data, output_path, info.kind, settings.texture_embed);
 }
 
-void writeImageError(std::string& json, const char* action, size_t index, const char* uri, const char* reason)
-{
-	append(json, "\"uri\":\"");
-	append(json, "data:image/png;base64,ERR/");
-	append(json, "\"");
-
-	fprintf(stderr, "Warning: unable to %s image %d (%s), skipping%s%s%s\n", action, int(index), uri ? uri : "embedded", reason ? " (" : "", reason ? reason : "", reason ? ")" : "");
-}
-
-void writeEncodedImage(std::string& json, std::vector<BufferView>& views, const cgltf_image& image, const std::string& encoded, const ImageInfo& info, size_t index, const char* output_path, const Settings& settings)
-{
-	writeImageData(json, views, index, image.uri, "image/ktx2", encoded, output_path, info.kind, settings.texture_embed);
-}
-
 void writeTexture(std::string& json, const cgltf_texture& texture, const ImageInfo* info, cgltf_data* data, const Settings& settings)
 {
 	if (texture.image)

From ae4d14ec3031d8ab9a077325d546e417ee856115 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 30 Apr 2024 14:43:23 -0700
Subject: [PATCH 056/581] gltfpack: Preserve image names in the output

Image names can be useful for identifying images in the output file when
embedded images are used, or for custom application processing e.g. for
attaching extra images to materials via extra properties.

Note that there's redundancy between images and textures; for now we choose
to preserve image names and not texture names, as this seems to match
conventions used by Blender glTF export.
---
 gltf/write.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gltf/write.cpp b/gltf/write.cpp
index 2ab0d1903e..bb62758cbb 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -933,6 +933,13 @@ static void writeImageData(std::string& json, std::vector<BufferView>& views, si
 
 void writeImage(std::string& json, std::vector<BufferView>& views, const cgltf_image& image, const ImageInfo& info, const std::string* encoded, size_t index, const char* input_path, const char* output_path, const Settings& settings)
 {
+	if (image.name && *image.name)
+	{
+		append(json, "\"name\":\"");
+		append(json, image.name);
+		append(json, "\",");
+	}
+
 	if (encoded)
 	{
 		// image was pre-encoded via encodeImages (which might have failed!)

From c7bb9c34628f8385fef19f44d556157639393e41 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 13 May 2024 20:42:13 -0500
Subject: [PATCH 057/581] Create USERS.md (#687)

This is an initial version of a list of known projects that are using meshoptimizer. It's missing a lot of projects I've been told about and don't remember OTOH, and it's likely missing a *lot* of games that use it that I don't know about.

The intent here is to slowly expand this list over time with prominent projects (commercial software or open source software).
---
 USERS.md | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 USERS.md

diff --git a/USERS.md b/USERS.md
new file mode 100644
index 0000000000..cf4af71187
--- /dev/null
+++ b/USERS.md
@@ -0,0 +1,45 @@
+meshoptimizer is widely used in the games industry as well as in many pipelines for processing 3D content for real-time rendering. This document contains a small selection of projects that rely on meshoptimizer.
+
+For brevity, the projects listed below are limited to commercial software or open source software that has 100+ stars on GitHub. Please feel free to contribute additions via pull requests.
+
+# Games
+
+If you are shipping a game that is using meshoptimizer, listing the library in the credits or documentation would be appreciated!
+
+- [Alan Wake 2 (2023)](https://www.remedygames.com/games/alan-wake-2)
+- [Baldur's Gate 3 (2023)](https://baldursgate3.game/)
+- [Cities: Skylines II (2023)](https://www.paradoxinteractive.com/games/cities-skylines-ii/about)
+- [Counter-Strike 2 (2023)](https://www.counter-strike.net/cs2)
+- [Jagged Alliance 3 (2023)](https://jaggedalliance3.thqnordic.com/)
+- [The Legend of Zelda: Tears of the Kingdom (2023)](https://zelda.nintendo.com/tears-of-the-kingdom/)
+- [Manifold Garden (2019)](https://manifold.garden)
+- [Monaco 2](https://store.steampowered.com/app/1063030/Monaco_2/)
+- [Ravenswatch (2023)](https://store.steampowered.com/app/2071280/Ravenswatch/)
+- [The Settlers: New Allies (2023)](https://www.ubisoft.com/en-us/game/the-settlers/new-allies)
+- [Stranded: Alien Dawn (2023)](https://www.strandedaliendawn.com/en-US)
+- [Tunnet (2023)](https://store.steampowered.com/app/2286390/Tunnet/)
+
+# Engines
+
+If you are shipping an engine that is using meshoptimizer, listing the library in the documentation would be appreciated!
+
+- [Bevy](https://bevyengine.org/)
+- [The Forge](https://theforge.dev/)
+- [Godot](https://godotengine.org/)
+- [HypeHype](https://hypehype.com/en)
+- [Roblox](https://www.roblox.com/)
+- [Unigine](https://unigine.com/)
+- [Wonderland Engine](https://wonderlandengine.com/)
+
+meshoptimizer is also used in [Waymo](https://waymo.com/) internal stack.
+
+# Web
+
+meshoptimizer supports various web projects through [meshoptimizer.js](https://www.npmjs.com/package/meshoptimizer).
+For projects in the glTF ecosystem, [gltfpack](https://github.com/zeux/meshoptimizer/tree/master/gltf#-gltfpack) is developed alongside meshoptimizer, and `EXT_meshopt_compression` glTF extension is implemented by meshoptimizer.js.
+
+This list contains a small selection of popular projects in the web ecosystem that use meshoptimizer; see also [a list of projects that depend on meshoptimizer through NPM](https://github.com/zeux/meshoptimizer/network/dependents).
+
+- [Babylon.js](https://www.babylonjs.com/)
+- [CesiumJS](https://cesium.com/platform/cesiumjs/)
+- [three.js](https://threejs.org/)

From 397724f919b4613d138f2b97a7d4054f28f7ee03 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 13 May 2024 20:20:26 -0700
Subject: [PATCH 058/581] Update USERS.md

Add bgfx, filament, glTF-Transform and aframe.
---
 USERS.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/USERS.md b/USERS.md
index cf4af71187..d92b19432e 100644
--- a/USERS.md
+++ b/USERS.md
@@ -24,12 +24,13 @@ If you are shipping a game that is using meshoptimizer, listing the library in t
 If you are shipping an engine that is using meshoptimizer, listing the library in the documentation would be appreciated!
 
 - [Bevy](https://bevyengine.org/)
+- [bgfx](https://github.com/bkaradzic/bgfx)
+- [filament](https://github.com/google/filament)
 - [The Forge](https://theforge.dev/)
 - [Godot](https://godotengine.org/)
 - [HypeHype](https://hypehype.com/en)
 - [Roblox](https://www.roblox.com/)
 - [Unigine](https://unigine.com/)
-- [Wonderland Engine](https://wonderlandengine.com/)
 
 meshoptimizer is also used in [Waymo](https://waymo.com/) internal stack.
 
@@ -40,6 +41,9 @@ For projects in the glTF ecosystem, [gltfpack](https://github.com/zeux/meshoptim
 
 This list contains a small selection of popular projects in the web ecosystem that use meshoptimizer; see also [a list of projects that depend on meshoptimizer through NPM](https://github.com/zeux/meshoptimizer/network/dependents).
 
+- [aframe](https://aframe.io/)
 - [Babylon.js](https://www.babylonjs.com/)
 - [CesiumJS](https://cesium.com/platform/cesiumjs/)
 - [three.js](https://threejs.org/)
+- [glTF-Transform](https://gltf-transform.dev/)
+- [Wonderland Engine](https://wonderlandengine.com/)

From 5806d7774487b69240cb952e63746ed216847fa1 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 14 May 2024 16:08:29 -0700
Subject: [PATCH 059/581] gltfpack: Fix support for non-triangle meshes

This was accidentally broken with cgltf upgrade since it added enum
entry for invalid primitive type, and we need to write GL-compatible
value. The issue hasn't made it into any numbered release though.
---
 gltf/gltfpack.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index a01f2070c5..fe364367cc 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -578,7 +578,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 			if (prim.type != cgltf_primitive_type_triangles)
 			{
 				append(json_meshes, ",\"mode\":");
-				append(json_meshes, size_t(prim.type));
+				append(json_meshes, size_t(prim.type - cgltf_primitive_type_points));
 			}
 			if (mesh.targets)
 			{

From a90d8bb6cab1578471235a14b809e9428a8a5d80 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 14 May 2024 17:34:20 -0700
Subject: [PATCH 060/581] gltfpack: Use vertex color information for
 simplification

When -sv command line argument is specified, we will use vertex colors
(if present) as part of attribute aware simplification to produce better
results. For now the intention is to use a single argument to
incorporate multiple different types of attributes with fixed weights,
in the future we might expose more detailed control via '-sv?' prefix.
---
 gltf/gltfpack.cpp |  5 +++++
 gltf/gltfpack.h   |  1 +
 gltf/mesh.cpp     | 14 ++++++++++----
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index fe364367cc..95f1149a40 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -1324,6 +1324,10 @@ int main(int argc, char** argv)
 		{
 			settings.simplify_lock_borders = true;
 		}
+		else if (strcmp(arg, "-sv") == 0)
+		{
+			settings.simplify_attributes = true;
+		}
 #ifndef NDEBUG
 		else if (strcmp(arg, "-sd") == 0 && i + 1 < argc && isdigit(argv[i + 1][0]))
 		{
@@ -1509,6 +1513,7 @@ int main(int argc, char** argv)
 			fprintf(stderr, "\nSimplification:\n");
 			fprintf(stderr, "\t-si R: simplify meshes targeting triangle/point count ratio R (default: 1; R should be between 0 and 1)\n");
 			fprintf(stderr, "\t-sa: aggressively simplify to the target ratio disregarding quality\n");
+			fprintf(stderr, "\t-sv: take vertex attributes into account when simplifying meshes\n");
 			fprintf(stderr, "\t-slb: lock border vertices during simplification to avoid gaps on connected meshes\n");
 			fprintf(stderr, "\nVertex precision:\n");
 			fprintf(stderr, "\t-vp N: use N-bit quantization for positions (default: 14; N should be between 1 and 16)\n");
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 5e221d673f..ac87fcdd0a 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -136,6 +136,7 @@ struct Settings
 	float simplify_threshold;
 	bool simplify_aggressive;
 	bool simplify_lock_borders;
+	bool simplify_attributes;
 	float simplify_debug;
 
 	int meshlet_debug;
diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index f5730c9848..4e45f278c0 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -527,7 +527,7 @@ static Stream* getStream(Mesh& mesh, cgltf_attribute_type type, int index = 0)
 	return NULL;
 }
 
-static void simplifyMesh(Mesh& mesh, float threshold, bool aggressive, bool lock_borders)
+static void simplifyMesh(Mesh& mesh, float threshold, bool attributes, bool aggressive, bool lock_borders)
 {
 	assert(mesh.type == cgltf_primitive_type_triangles);
 
@@ -548,8 +548,14 @@ static void simplifyMesh(Mesh& mesh, float threshold, bool aggressive, bool lock
 	if (target_index_count < 1)
 		return;
 
+	const Stream* colors = getStream(mesh, cgltf_attribute_type_color);
+	const float colw[3] = {1e-2, 1e-2, 1e-2};
+
 	std::vector<unsigned int> indices(mesh.indices.size());
-	indices.resize(meshopt_simplify(&indices[0], &mesh.indices[0], mesh.indices.size(), positions->data[0].f, vertex_count, sizeof(Attr), target_index_count, target_error, options));
+	if (attributes && colors)
+		indices.resize(meshopt_simplifyWithAttributes(&indices[0], &mesh.indices[0], mesh.indices.size(), positions->data[0].f, vertex_count, sizeof(Attr), colors->data[0].f, sizeof(Attr), colw, 3, NULL, target_index_count, target_error, options));
+	else
+		indices.resize(meshopt_simplify(&indices[0], &mesh.indices[0], mesh.indices.size(), positions->data[0].f, vertex_count, sizeof(Attr), target_index_count, target_error, options));
 	mesh.indices.swap(indices);
 
 	// Note: if the simplifier got stuck, we can try to reindex without normals/tangents and retry
@@ -771,7 +777,7 @@ void processMesh(Mesh& mesh, const Settings& settings)
 		reindexMesh(mesh);
 		filterTriangles(mesh);
 		if (settings.simplify_threshold < 1)
-			simplifyMesh(mesh, settings.simplify_threshold, settings.simplify_aggressive, settings.simplify_lock_borders);
+			simplifyMesh(mesh, settings.simplify_threshold, settings.simplify_attributes, settings.simplify_aggressive, settings.simplify_lock_borders);
 		optimizeMesh(mesh, settings.compressmore);
 		break;
 
@@ -808,7 +814,7 @@ void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio)
 	meshopt_simplifyDebugLoop = &loop[0];
 	meshopt_simplifyDebugLoopBack = &loopback[0];
 
-	simplifyMesh(mesh, ratio, /* aggressive= */ false, /* lock_borders= */ false);
+	simplifyMesh(mesh, ratio, /* attributes= */ false, /* aggressive= */ false, /* lock_borders= */ false);
 
 	meshopt_simplifyDebugKind = NULL;
 	meshopt_simplifyDebugLoop = NULL;

From de6152f8ca95cc20d31831c5240759b2b9eae114 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 14 May 2024 17:39:52 -0700
Subject: [PATCH 061/581] gltfpack: Support -sv together with -sd properly

When simplificaiton debugging is enabled we need to try to maintain
coherence between debug and render simplification options so that the
kind/loops overlaid geometry makes sense.
---
 gltf/gltfpack.cpp | 2 +-
 gltf/gltfpack.h   | 2 +-
 gltf/mesh.cpp     | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 95f1149a40..7918326d2e 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -387,7 +387,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		{
 			Mesh kinds = {};
 			Mesh loops = {};
-			debugSimplify(mesh, kinds, loops, settings.simplify_debug);
+			debugSimplify(mesh, kinds, loops, settings.simplify_debug, settings.simplify_attributes);
 			debug_meshes.push_back(kinds);
 			debug_meshes.push_back(loops);
 		}
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index ac87fcdd0a..0af349536a 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -303,7 +303,7 @@ cgltf_data* parseGlb(const void* buffer, size_t size, std::vector<Mesh>& meshes,
 void processAnimation(Animation& animation, const Settings& settings);
 void processMesh(Mesh& mesh, const Settings& settings);
 
-void debugSimplify(const Mesh& mesh, Mesh& kinds, Mesh& loops, float ratio);
+void debugSimplify(const Mesh& mesh, Mesh& kinds, Mesh& loops, float ratio, bool attributes);
 void debugMeshlets(const Mesh& mesh, Mesh& meshlets, Mesh& bounds, int max_vertices, bool scan);
 
 bool compareMeshTargets(const Mesh& lhs, const Mesh& rhs);
diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 4e45f278c0..2f10882941 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -791,7 +791,7 @@ extern MESHOPTIMIZER_API unsigned char* meshopt_simplifyDebugKind;
 extern MESHOPTIMIZER_API unsigned int* meshopt_simplifyDebugLoop;
 extern MESHOPTIMIZER_API unsigned int* meshopt_simplifyDebugLoopBack;
 
-void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio)
+void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio, bool attributes)
 {
 	Mesh mesh = source;
 	assert(mesh.type == cgltf_primitive_type_triangles);
@@ -814,7 +814,7 @@ void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio)
 	meshopt_simplifyDebugLoop = &loop[0];
 	meshopt_simplifyDebugLoopBack = &loopback[0];
 
-	simplifyMesh(mesh, ratio, /* attributes= */ false, /* aggressive= */ false, /* lock_borders= */ false);
+	simplifyMesh(mesh, ratio, attributes, /* aggressive= */ false, /* lock_borders= */ false);
 
 	meshopt_simplifyDebugKind = NULL;
 	meshopt_simplifyDebugLoop = NULL;

From 4c692989005701b245da8d152ee7f08676aa08c8 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 14 May 2024 17:42:51 -0700
Subject: [PATCH 062/581] gltfpack: Use vertex normals for attribute
 simplification as fallback

When -sv is specified we now use vertex normals if necessary; this
improves quality on meshes that don't have colors, although ideally we
should give both to the simplifier.
---
 gltf/mesh.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 2f10882941..441140810f 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -548,12 +548,14 @@ static void simplifyMesh(Mesh& mesh, float threshold, bool attributes, bool aggr
 	if (target_index_count < 1)
 		return;
 
-	const Stream* colors = getStream(mesh, cgltf_attribute_type_color);
-	const float colw[3] = {1e-2, 1e-2, 1e-2};
+	const Stream* attr = getStream(mesh, cgltf_attribute_type_color);
+	attr = attr ? attr : getStream(mesh, cgltf_attribute_type_normal);
+
+	const float attrw[3] = {1e-2, 1e-2, 1e-2};
 
 	std::vector<unsigned int> indices(mesh.indices.size());
-	if (attributes && colors)
-		indices.resize(meshopt_simplifyWithAttributes(&indices[0], &mesh.indices[0], mesh.indices.size(), positions->data[0].f, vertex_count, sizeof(Attr), colors->data[0].f, sizeof(Attr), colw, 3, NULL, target_index_count, target_error, options));
+	if (attributes && attr)
+		indices.resize(meshopt_simplifyWithAttributes(&indices[0], &mesh.indices[0], mesh.indices.size(), positions->data[0].f, vertex_count, sizeof(Attr), attr->data[0].f, sizeof(Attr), attrw, 3, NULL, target_index_count, target_error, options));
 	else
 		indices.resize(meshopt_simplify(&indices[0], &mesh.indices[0], mesh.indices.size(), positions->data[0].f, vertex_count, sizeof(Attr), target_index_count, target_error, options));
 	mesh.indices.swap(indices);

From b15426d245dd112957fe46c5226dfa448bb80b1c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 15 May 2024 09:26:43 -0700
Subject: [PATCH 063/581] gltfpack: Fix MSVC warning wrt precision loss

---
 gltf/mesh.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 441140810f..5307b2dad0 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -551,7 +551,7 @@ static void simplifyMesh(Mesh& mesh, float threshold, bool attributes, bool aggr
 	const Stream* attr = getStream(mesh, cgltf_attribute_type_color);
 	attr = attr ? attr : getStream(mesh, cgltf_attribute_type_normal);
 
-	const float attrw[3] = {1e-2, 1e-2, 1e-2};
+	const float attrw[3] = {1e-2f, 1e-2f, 1e-2f};
 
 	std::vector<unsigned int> indices(mesh.indices.size());
 	if (attributes && attr)

From 2fa58328652ee1c0571c735facd1055055a1b837 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 18 May 2024 18:38:43 -0700
Subject: [PATCH 064/581] gltfpack: Allow simplification with target
 vertex/index count 0

The existing check results in an odd discontinuity: eg when simplifying
with ratio 0.1, a 10-triangle mesh will be simplified to a target of 1,
but a 9-triangle mesh will be left alone. This becomes more and more
problematic for higher simplification ratios, where 0.01 ratio will
leave small meshes completely unsimplified.

In the future we probably need a more careful simplification schedule;
however, this logic is currently extraneous as we will remove empty
meshes after processing so we shouldn't need any early outs here, and
for triangle simplification the error bounds should preserve detail.
---
 gltf/mesh.cpp | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 5307b2dad0..3f35ce7ba9 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -545,9 +545,6 @@ static void simplifyMesh(Mesh& mesh, float threshold, bool attributes, bool aggr
 	float target_error_aggressive = 1e-1f;
 	unsigned int options = lock_borders ? meshopt_SimplifyLockBorder : 0;
 
-	if (target_index_count < 1)
-		return;
-
 	const Stream* attr = getStream(mesh, cgltf_attribute_type_color);
 	attr = attr ? attr : getStream(mesh, cgltf_attribute_type_normal);
 
@@ -713,13 +710,11 @@ static void simplifyPointMesh(Mesh& mesh, float threshold)
 
 	size_t target_vertex_count = size_t(double(vertex_count) * threshold);
 
-	if (target_vertex_count < 1)
-		return;
-
 	const float color_weight = 1e-2f;
 
 	std::vector<unsigned int> indices(target_vertex_count);
-	indices.resize(meshopt_simplifyPoints(&indices[0], positions->data[0].f, vertex_count, sizeof(Attr), colors ? colors->data[0].f : NULL, sizeof(Attr), color_weight, target_vertex_count));
+	if (target_vertex_count)
+		indices.resize(meshopt_simplifyPoints(&indices[0], positions->data[0].f, vertex_count, sizeof(Attr), colors ? colors->data[0].f : NULL, sizeof(Attr), color_weight, target_vertex_count));
 
 	std::vector<Attr> scratch(indices.size());
 

From 27e95681483ba6557f8b041e4d526d74a976f54d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 21 May 2024 00:27:43 -0700
Subject: [PATCH 065/581] Update build.yml

Switch macos build to macos-13 since -latest now means -14.
---
 .github/workflows/build.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f537e59d06..84083ff97a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,7 @@ jobs:
   unix:
     strategy:
       matrix:
-        os: [{name: ubuntu, version: ubuntu-latest}, {name: macos, version: macos-latest}, {name: macos-arm, version: macos-14}]
+        os: [{name: ubuntu, version: ubuntu-latest}, {name: macos-intel, version: macos-13}, {name: macos-arm, version: macos-14}]
     name: ${{matrix.os.name}}
     runs-on: ${{matrix.os.version}}
     steps:

From 984cc3abbbc69855f5d64459d84bb762eea898cd Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 21 May 2024 17:25:18 -0700
Subject: [PATCH 066/581] gltfpack: Implement initial support for
 EXT_meshopt_compression inputs

When the input file contains EXT_meshopt_compression encoded buffer
views we can now decompress them and process the data as usual. This
should help with interoperability.

If the input uses filters, decompression and recompression  may
introduce extra precision issues; this is mostly captured by an existing
quantization warning though.
---
 gltf/parsegltf.cpp | 72 ++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 69 insertions(+), 3 deletions(-)

diff --git a/gltf/parsegltf.cpp b/gltf/parsegltf.cpp
index 9ebb072437..f511f2a5a3 100644
--- a/gltf/parsegltf.cpp
+++ b/gltf/parsegltf.cpp
@@ -5,6 +5,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "../src/meshoptimizer.h"
+
 static const size_t kMaxStreams = 16;
 
 static const char* getError(cgltf_result result, cgltf_data* data)
@@ -376,7 +378,7 @@ static bool needsDummyBuffers(cgltf_data* data)
 	{
 		cgltf_accessor* accessor = &data->accessors[i];
 
-		if (accessor->buffer_view && accessor->buffer_view->buffer->data == NULL)
+		if (accessor->buffer_view && accessor->buffer_view->data == NULL && accessor->buffer_view->buffer->data == NULL)
 			return true;
 
 		if (accessor->is_sparse)
@@ -456,6 +458,70 @@ static bool freeUnusedBuffers(cgltf_data* data)
 	return free_bin;
 }
 
+static cgltf_result decompressMeshopt(cgltf_data* data)
+{
+	for (size_t i = 0; i < data->buffer_views_count; ++i)
+	{
+		if (!data->buffer_views[i].has_meshopt_compression)
+			continue;
+		cgltf_meshopt_compression* mc = &data->buffer_views[i].meshopt_compression;
+
+		const unsigned char* source = (const unsigned char*)mc->buffer->data;
+		if (!source)
+			return cgltf_result_invalid_gltf;
+		source += mc->offset;
+
+		void* result = malloc(mc->count * mc->stride);
+		if (!result)
+			return cgltf_result_out_of_memory;
+
+		int rc = -1;
+
+		switch (mc->mode)
+		{
+		case cgltf_meshopt_compression_mode_attributes:
+			rc = meshopt_decodeVertexBuffer(result, mc->count, mc->stride, source, mc->size);
+			break;
+
+		case cgltf_meshopt_compression_mode_triangles:
+			rc = meshopt_decodeIndexBuffer(result, mc->count, mc->stride, source, mc->size);
+			break;
+
+		case cgltf_meshopt_compression_mode_indices:
+			rc = meshopt_decodeIndexSequence(result, mc->count, mc->stride, source, mc->size);
+			break;
+
+		default:
+			return cgltf_result_invalid_gltf;
+		}
+
+		if (rc != 0)
+			return cgltf_result_io_error;
+
+		switch (mc->filter)
+		{
+		case cgltf_meshopt_compression_filter_octahedral:
+			meshopt_decodeFilterOct(result, mc->count, mc->stride);
+			break;
+
+		case cgltf_meshopt_compression_filter_quaternion:
+			meshopt_decodeFilterQuat(result, mc->count, mc->stride);
+			break;
+
+		case cgltf_meshopt_compression_filter_exponential:
+			meshopt_decodeFilterExp(result, mc->count, mc->stride);
+			break;
+
+		default:
+			break;
+		}
+
+		data->buffer_views[i].data = result;
+	}
+
+	return cgltf_result_success;
+}
+
 static cgltf_data* parseGltf(cgltf_data* data, cgltf_result result, std::vector<Mesh>& meshes, std::vector<Animation>& animations, const char** error)
 {
 	*error = NULL;
@@ -464,8 +530,6 @@ static cgltf_data* parseGltf(cgltf_data* data, cgltf_result result, std::vector<
 		*error = getError(result, data);
 	else if (requiresExtension(data, "KHR_draco_mesh_compression"))
 		*error = "file requires Draco mesh compression support";
-	else if (requiresExtension(data, "EXT_meshopt_compression"))
-		*error = "file has already been compressed using gltfpack";
 	else if (requiresExtension(data, "KHR_texture_basisu"))
 		*error = "file requires BasisU texture support";
 	else if (requiresExtension(data, "EXT_mesh_gpu_instancing"))
@@ -507,6 +571,7 @@ cgltf_data* parseGltf(const char* path, std::vector<Mesh>& meshes, std::vector<A
 		freeFile(data);
 
 	result = (result == cgltf_result_success) ? cgltf_load_buffers(&options, data, path) : result;
+	result = (result == cgltf_result_success) ? decompressMeshopt(data) : result;
 	result = (result == cgltf_result_success) ? cgltf_validate(data) : result;
 
 	return parseGltf(data, result, meshes, animations, error);
@@ -522,6 +587,7 @@ cgltf_data* parseGlb(const void* buffer, size_t size, std::vector<Mesh>& meshes,
 	cgltf_result result = cgltf_parse(&options, buffer, size, &data);
 
 	result = (result == cgltf_result_success) ? cgltf_load_buffers(&options, data, NULL) : result;
+	result = (result == cgltf_result_success) ? decompressMeshopt(data) : result;
 	result = (result == cgltf_result_success) ? cgltf_validate(data) : result;
 
 	return parseGltf(data, result, meshes, animations, error);

From 2e53fb394d16c79607547d47e0fcc37124690147 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 21 May 2024 18:24:01 -0700
Subject: [PATCH 067/581] gltfpack: Decompress meshopt buffers after
 cgltf_validate

cgltf_validate checks a host of preconditions that make meshopt decoding
safe; the only thing we're missing is index validation after meshopt
decoding but that does have an assertion, and could also be done
separately in the future.
---
 gltf/parsegltf.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gltf/parsegltf.cpp b/gltf/parsegltf.cpp
index f511f2a5a3..9b22dd43fd 100644
--- a/gltf/parsegltf.cpp
+++ b/gltf/parsegltf.cpp
@@ -571,8 +571,8 @@ cgltf_data* parseGltf(const char* path, std::vector<Mesh>& meshes, std::vector<A
 		freeFile(data);
 
 	result = (result == cgltf_result_success) ? cgltf_load_buffers(&options, data, path) : result;
-	result = (result == cgltf_result_success) ? decompressMeshopt(data) : result;
 	result = (result == cgltf_result_success) ? cgltf_validate(data) : result;
+	result = (result == cgltf_result_success) ? decompressMeshopt(data) : result;
 
 	return parseGltf(data, result, meshes, animations, error);
 }
@@ -587,8 +587,8 @@ cgltf_data* parseGlb(const void* buffer, size_t size, std::vector<Mesh>& meshes,
 	cgltf_result result = cgltf_parse(&options, buffer, size, &data);
 
 	result = (result == cgltf_result_success) ? cgltf_load_buffers(&options, data, NULL) : result;
-	result = (result == cgltf_result_success) ? decompressMeshopt(data) : result;
 	result = (result == cgltf_result_success) ? cgltf_validate(data) : result;
+	result = (result == cgltf_result_success) ? decompressMeshopt(data) : result;
 
 	return parseGltf(data, result, meshes, animations, error);
 }

From 84a8ebc856b3a83e0866e1df62b9f94c24b953bb Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 21 May 2024 18:25:36 -0700
Subject: [PATCH 068/581] Update glTF CI to not exclude Meshopt files

---
 .github/workflows/build.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f537e59d06..8b202d99e8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -84,7 +84,7 @@ jobs:
     - name: test
       run: find glTF-Sample-Assets -name *.gltf -or -name *.glb | xargs -d '\n' ./gltfpack -cc -test
     - name: pack
-      run: find glTF-Sample-Assets -name *.gltf | grep -v 'glTF-Draco\|glTF-KTX\|glTF-Meshopt' | xargs -d '\n' -I '{}' ./gltfpack -i '{}' -o '{}pack.gltf'
+      run: find glTF-Sample-Assets -name *.gltf | grep -v 'glTF-Draco\|glTF-KTX' | xargs -d '\n' -I '{}' ./gltfpack -i '{}' -o '{}pack.gltf'
     - name: validate
       run: |
         curl -sL $VALIDATOR | tar xJ

From 0f6a54ab266ab0335f344f9e83471db996290184 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 21 May 2024 18:32:21 -0700
Subject: [PATCH 069/581] gltfpack: Add EXT_meshopt_compression to supported
 extensions

---
 gltf/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gltf/README.md b/gltf/README.md
index 3319210e00..3e528ebc87 100644
--- a/gltf/README.md
+++ b/gltf/README.md
@@ -82,6 +82,7 @@ gltfpack supports most Khronos extensions and some multi-vendor extensions in th
 - KHR_materials_volume
 - KHR_mesh_quantization
 - KHR_texture_transform
+- EXT_meshopt_compression
 
 Even if the source file does not use extensions, gltfpack may use some extensions in the output file either by default or when certain options are used:
 

From c839eecaa29358e3cd4cdaff3e2b0c95bf3fa2a6 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 21 May 2024 19:12:07 -0700
Subject: [PATCH 070/581] gltfpack: Remove unnecessary braces

This matches the code style a little better.
---
 gltf/write.cpp | 22 ----------------------
 1 file changed, 22 deletions(-)

diff --git a/gltf/write.cpp b/gltf/write.cpp
index bb62758cbb..eb45a11b03 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -666,59 +666,37 @@ void writeMaterial(std::string& json, const cgltf_data* data, const cgltf_materi
 		append(json, "\"extensions\":{");
 
 		if (material.has_pbr_specular_glossiness)
-		{
 			writeMaterialComponent(json, data, material.pbr_specular_glossiness, qt, textures);
-		}
 
 		if (material.has_clearcoat)
-		{
 			writeMaterialComponent(json, data, material.clearcoat, qt, textures);
-		}
 
 		if (material.has_transmission)
-		{
 			writeMaterialComponent(json, data, material.transmission, qt, textures);
-		}
 
 		if (material.has_ior)
-		{
 			writeMaterialComponent(json, data, material.ior);
-		}
 
 		if (material.has_specular)
-		{
 			writeMaterialComponent(json, data, material.specular, qt, textures);
-		}
 
 		if (material.has_sheen)
-		{
 			writeMaterialComponent(json, data, material.sheen, qt, textures);
-		}
 
 		if (material.has_volume)
-		{
 			writeMaterialComponent(json, data, material.volume, qp, qt, textures);
-		}
 
 		if (material.has_emissive_strength)
-		{
 			writeMaterialComponent(json, data, material.emissive_strength);
-		}
 
 		if (material.has_iridescence)
-		{
 			writeMaterialComponent(json, data, material.iridescence, qt, textures);
-		}
 
 		if (material.has_anisotropy)
-		{
 			writeMaterialComponent(json, data, material.anisotropy, qt, textures);
-		}
 
 		if (material.has_dispersion)
-		{
 			writeMaterialComponent(json, data, material.dispersion);
-		}
 
 		if (material.unlit)
 		{

From b8843d9112d39b20bb3abc0da0e54d8a2b3b23a6 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 21 May 2024 19:34:21 -0700
Subject: [PATCH 071/581] gltfpack: Fix comment typo

Frames are 10ms at 100Hz, not 10Hz.
---
 gltf/animation.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gltf/animation.cpp b/gltf/animation.cpp
index 4c8642fdc3..fe9b04dedf 100644
--- a/gltf/animation.cpp
+++ b/gltf/animation.cpp
@@ -290,7 +290,7 @@ void processAnimation(Animation& animation, const Settings& settings)
 	mint = std::min(mint, maxt);
 
 	// round the number of frames to nearest but favor the "up" direction
-	// this means that at 10 Hz resampling, we will try to preserve the last frame <10ms
+	// this means that at 100 Hz resampling, we will try to preserve the last frame <10ms
 	// but if the last frame is <2ms we favor just removing this data
 	int frames = 1 + int((maxt - mint) * settings.anim_freq + 0.8f);
 

From d314da3333c9799fafffd9c1962c1a91cf9ccbe9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 22 May 2024 09:18:39 -0700
Subject: [PATCH 072/581] gltfpack: Implement initial support for
 KHR_texture_basisu inputs

When the input file has KHR_texture_basisu extension, we now will
preserve the images along with the extension in the output file instead
of discarding it.
---
 gltf/gltfpack.cpp  |  4 +++-
 gltf/material.cpp  | 13 ++++++++++---
 gltf/parsegltf.cpp |  2 --
 gltf/write.cpp     | 22 +++++++++++++++-------
 4 files changed, 28 insertions(+), 13 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 7918326d2e..2db6eff776 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -452,6 +452,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	bool ext_unlit = false;
 	bool ext_instancing = false;
 	bool ext_texture_transform = false;
+	bool ext_texture_basisu = false;
 
 	size_t accr_offset = 0;
 	size_t node_offset = 0;
@@ -509,6 +510,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 
 		assert(textures[i].remap == int(texture_offset));
 		texture_offset++;
+		ext_texture_basisu = ext_texture_basisu || texture.has_basisu;
 	}
 
 	for (size_t i = 0; i < data->materials_count; ++i)
@@ -834,7 +836,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	    {"KHR_materials_unlit", ext_unlit, false},
 	    {"KHR_materials_variants", data->variants_count > 0, false},
 	    {"KHR_lights_punctual", data->lights_count > 0, false},
-	    {"KHR_texture_basisu", !json_textures.empty() && settings.texture_ktx2, true},
+	    {"KHR_texture_basisu", (!json_textures.empty() && settings.texture_ktx2) || ext_texture_basisu, true},
 	    {"EXT_mesh_gpu_instancing", ext_instancing, true},
 	};
 
diff --git a/gltf/material.cpp b/gltf/material.cpp
index 0ae2abf93c..83c83a9798 100644
--- a/gltf/material.cpp
+++ b/gltf/material.cpp
@@ -435,6 +435,11 @@ bool hasValidTransform(const cgltf_texture_view& view)
 	return false;
 }
 
+static const cgltf_image* getTextureImage(const cgltf_texture* texture)
+{
+       return texture ? (texture->has_basisu ? texture->basisu_image : texture->image) : NULL;
+}
+
 static void analyzeMaterialTexture(const cgltf_texture_view& view, TextureKind kind, MaterialInfo& mi, cgltf_data* data, std::vector<TextureInfo>& textures, std::vector<ImageInfo>& images)
 {
 	mi.usesTextureTransform |= hasValidTransform(view);
@@ -442,9 +447,9 @@ static void analyzeMaterialTexture(const cgltf_texture_view& view, TextureKind k
 	if (view.texture)
 		textures[view.texture - data->textures].keep = true;
 
-	if (view.texture && view.texture->image)
+	if (const cgltf_image* image = getTextureImage(view.texture))
 	{
-		ImageInfo& info = images[view.texture->image - data->images];
+		ImageInfo& info = images[image - data->images];
 
 		mi.textureSetMask |= 1u << view.texcoord;
 		mi.needsTangents |= (kind == TextureKind_Normal);
@@ -549,7 +554,9 @@ static bool shouldKeepAlpha(const cgltf_texture_view& color, float alpha, cgltf_
 	if (alpha != 1.f)
 		return true;
 
-	return color.texture && color.texture->image && getChannels(*color.texture->image, images[color.texture->image - data->images], input_path) == 4;
+	const cgltf_image* image = getTextureImage(color.texture);
+
+	return image && getChannels(*image, images[image - data->images], input_path) == 4;
 }
 
 void optimizeMaterials(cgltf_data* data, const char* input_path, std::vector<ImageInfo>& images)
diff --git a/gltf/parsegltf.cpp b/gltf/parsegltf.cpp
index 9b22dd43fd..91f0c020fd 100644
--- a/gltf/parsegltf.cpp
+++ b/gltf/parsegltf.cpp
@@ -530,8 +530,6 @@ static cgltf_data* parseGltf(cgltf_data* data, cgltf_result result, std::vector<
 		*error = getError(result, data);
 	else if (requiresExtension(data, "KHR_draco_mesh_compression"))
 		*error = "file requires Draco mesh compression support";
-	else if (requiresExtension(data, "KHR_texture_basisu"))
-		*error = "file requires BasisU texture support";
 	else if (requiresExtension(data, "EXT_mesh_gpu_instancing"))
 		*error = "file requires mesh instancing support";
 	else if (needsDummyBuffers(data))
diff --git a/gltf/write.cpp b/gltf/write.cpp
index eb45a11b03..e3b7e7d96c 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -952,27 +952,35 @@ void writeImage(std::string& json, std::vector<BufferView>& views, const cgltf_i
 
 void writeTexture(std::string& json, const cgltf_texture& texture, const ImageInfo* info, cgltf_data* data, const Settings& settings)
 {
-	if (texture.image)
+	if (texture.sampler)
 	{
-		if (texture.sampler)
-		{
-			append(json, "\"sampler\":");
-			append(json, size_t(texture.sampler - data->samplers));
-			append(json, ",");
-		}
+		append(json, "\"sampler\":");
+		append(json, size_t(texture.sampler - data->samplers));
+	}
 
+	if (texture.image)
+	{
 		if (info && settings.texture_mode[info->kind] != TextureMode_Raw)
 		{
+			comma(json);
 			append(json, "\"extensions\":{\"KHR_texture_basisu\":{\"source\":");
 			append(json, size_t(texture.image - data->images));
 			append(json, "}}");
 		}
 		else
 		{
+			comma(json);
 			append(json, "\"source\":");
 			append(json, size_t(texture.image - data->images));
 		}
 	}
+	else if (texture.has_basisu)
+	{
+		comma(json);
+		append(json, "\"extensions\":{\"KHR_texture_basisu\":{\"source\":");
+		append(json, size_t(texture.basisu_image - data->images));
+		append(json, "}}");
+	}
 }
 
 void writeMeshAttributes(std::string& json, std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const Mesh& mesh, int target, const QuantizationPosition& qp, const QuantizationTexture& qt, const Settings& settings)

From aecdd56444d2984d7fb0027c3b74f6e96e6c73a8 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 22 May 2024 09:27:50 -0700
Subject: [PATCH 073/581] gltfpack: Implement transparency analysis for KTX2
 images

Without this, if the source is a KTX2 image, the material will get its
alpha mode removed unconditionally.
---
 gltf/image.cpp | 63 +++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 55 insertions(+), 8 deletions(-)

diff --git a/gltf/image.cpp b/gltf/image.cpp
index e45e223aa4..129938a0e4 100644
--- a/gltf/image.cpp
+++ b/gltf/image.cpp
@@ -107,12 +107,12 @@ bool readImage(const cgltf_image& image, const char* input_path, std::string& da
 	}
 }
 
-static int readInt16(const std::string& data, size_t offset)
+static int readInt16BE(const std::string& data, size_t offset)
 {
 	return (unsigned char)data[offset] * 256 + (unsigned char)data[offset + 1];
 }
 
-static int readInt32(const std::string& data, size_t offset)
+static int readInt32BE(const std::string& data, size_t offset)
 {
 	return (unsigned((unsigned char)data[offset]) << 24) |
 	       (unsigned((unsigned char)data[offset + 1]) << 16) |
@@ -120,6 +120,14 @@ static int readInt32(const std::string& data, size_t offset)
 	       unsigned((unsigned char)data[offset + 3]);
 }
 
+static int readInt32LE(const std::string& data, size_t offset)
+{
+	return unsigned((unsigned char)data[offset]) |
+	       (unsigned((unsigned char)data[offset + 1]) << 8) |
+	       (unsigned((unsigned char)data[offset + 2]) << 16) |
+	       (unsigned((unsigned char)data[offset + 3]) << 24);
+}
+
 static bool getDimensionsPng(const std::string& data, int& width, int& height)
 {
 	if (data.size() < 8 + 8 + 13 + 4)
@@ -132,8 +140,8 @@ static bool getDimensionsPng(const std::string& data, int& width, int& height)
 	if (data.compare(12, 4, "IHDR") != 0)
 		return false;
 
-	width = readInt32(data, 16);
-	height = readInt32(data, 20);
+	width = readInt32BE(data, 16);
+	height = readInt32BE(data, 20);
 
 	return true;
 }
@@ -169,13 +177,13 @@ static bool getDimensionsJpeg(const std::string& data, int& width, int& height)
 			if (offset + 10 > data.size())
 				return false;
 
-			width = readInt16(data, offset + 7);
-			height = readInt16(data, offset + 5);
+			width = readInt16BE(data, offset + 7);
+			height = readInt16BE(data, offset + 5);
 
 			return true;
 		}
 
-		offset += 2 + readInt16(data, offset + 2);
+		offset += 2 + readInt16BE(data, offset + 2);
 	}
 
 	return false;
@@ -202,7 +210,7 @@ static bool hasTransparencyPng(const std::string& data)
 
 	while (offset + 12 <= data.size())
 	{
-		int length = readInt32(data, offset);
+		int length = readInt32BE(data, offset);
 
 		if (length < 0)
 			return false;
@@ -216,10 +224,49 @@ static bool hasTransparencyPng(const std::string& data)
 	return false;
 }
 
+static bool hasTransparencyKtx2(const std::string& data)
+{
+	if (data.size() < 12 + 17 * 4)
+		return false;
+
+	const char* signature = "\xabKTX 20\xbb\r\n\x1a\n";
+	if (data.compare(0, 12, signature) != 0)
+		return false;
+
+	int dfdOffset = readInt32LE(data, 48);
+	int dfdLength = readInt32LE(data, 52);
+
+	if (dfdLength < 4 + 24 + 16 || unsigned(dfdOffset) > data.size() || unsigned(dfdLength) > data.size() - dfdOffset)
+		return false;
+
+	const int KDF_DF_MODEL_ETC1S = 163;
+	const int KDF_DF_MODEL_UASTC = 166;
+	const int KHR_DF_CHANNEL_UASTC_RGBA = 3;
+	const int KHR_DF_CHANNEL_ETC1S_RGB = 0;
+	const int KHR_DF_CHANNEL_ETC1S_AAA = 15;
+
+	int colorModel = readInt32LE(data, dfdOffset + 12) & 0xff;
+	int channelType1 = (readInt32LE(data, dfdOffset + 28) >> 24) & 0xf;
+	int channelType2 = dfdLength >= 4 + 24 + 16 * 2 ? (readInt32LE(data, dfdOffset + 44) >> 24) & 0xf : channelType1;
+
+	if (colorModel == KDF_DF_MODEL_ETC1S)
+	{
+		return channelType1 == KHR_DF_CHANNEL_ETC1S_RGB && channelType2 == KHR_DF_CHANNEL_ETC1S_AAA;
+	}
+	else if (colorModel == KDF_DF_MODEL_UASTC)
+	{
+		return channelType1 == KHR_DF_CHANNEL_UASTC_RGBA;
+	}
+
+	return false;
+}
+
 bool hasAlpha(const std::string& data, const char* mime_type)
 {
 	if (strcmp(mime_type, "image/png") == 0)
 		return hasTransparencyPng(data);
+	else if (strcmp(mime_type, "image/ktx2") == 0)
+		return hasTransparencyKtx2(data);
 	else
 		return false;
 }

From c6d8d373c8cec1068017c00f19d369148fcab403 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 22 May 2024 09:32:24 -0700
Subject: [PATCH 074/581] gltfpack: Fix texture merging when textures only use
 KTX2 images

This is necessary for KTX2 inputs to be fully preserved correctly.
---
 gltf/material.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gltf/material.cpp b/gltf/material.cpp
index 83c83a9798..bfe63b9c51 100644
--- a/gltf/material.cpp
+++ b/gltf/material.cpp
@@ -11,6 +11,12 @@ static bool areTexturesEqual(const cgltf_texture& lhs, const cgltf_texture& rhs)
 	if (lhs.sampler != rhs.sampler)
 		return false;
 
+	if (lhs.has_basisu != rhs.has_basisu)
+		return false;
+
+	if (lhs.basisu_image != rhs.basisu_image)
+		return false;
+
 	return true;
 }
 

From 33d38bfd505bbbbf8533316c46dcd1ca846da738 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 22 May 2024 09:40:42 -0700
Subject: [PATCH 075/581] gltfpack: Skip recompression of KTX2 textures with
 -tc

We now restrict -tc to only handle image/png and image/jpeg mime types,
which exludes image/ktx2 and any other future formats that we might
support.
---
 gltf/basisenc.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gltf/basisenc.cpp b/gltf/basisenc.cpp
index a5deef918a..c108094974 100644
--- a/gltf/basisenc.cpp
+++ b/gltf/basisenc.cpp
@@ -98,11 +98,13 @@ static const char* prepareEncode(basisu::basis_compressor_params& params, const
 {
 	std::string img_data;
 	std::string mime_type;
-	std::string result;
 
 	if (!readImage(image, input_path, img_data, mime_type))
 		return "error reading source file";
 
+	if (mime_type != "image/png" && mime_type != "image/jpeg")
+		return NULL;
+
 	int width = 0, height = 0;
 	if (!getDimensions(img_data, mime_type.c_str(), width, height))
 		return "error parsing image header";

From 0c1a930d8fd4062844e3ab2fab04e30331b6b75c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 22 May 2024 09:50:41 -0700
Subject: [PATCH 076/581] gltfpack: Update README.md

We now support KHR_texture_basisu as an input.
---
 gltf/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gltf/README.md b/gltf/README.md
index 3e528ebc87..a6be164051 100644
--- a/gltf/README.md
+++ b/gltf/README.md
@@ -81,6 +81,7 @@ gltfpack supports most Khronos extensions and some multi-vendor extensions in th
 - KHR_materials_variants
 - KHR_materials_volume
 - KHR_mesh_quantization
+- KHR_texture_basisu
 - KHR_texture_transform
 - EXT_meshopt_compression
 

From cc7653a46b08441c0fe56c248c1feed8667e3c6f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 22 May 2024 21:58:30 -0700
Subject: [PATCH 077/581] gltfpack: Adjust handling of textures with redundant
 images

When a texture has both source and encoded image, we prefer to extract
various metadata from the source image, but preserve both when writing
the texture object.

When -tc is used, we encode the source image and leave the
pre-compressed image unused (this is a little redundant but requires
unused image filtering to fix).
---
 gltf/material.cpp | 8 +++++++-
 gltf/write.cpp    | 5 ++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/gltf/material.cpp b/gltf/material.cpp
index bfe63b9c51..8d017a1871 100644
--- a/gltf/material.cpp
+++ b/gltf/material.cpp
@@ -443,7 +443,13 @@ bool hasValidTransform(const cgltf_texture_view& view)
 
 static const cgltf_image* getTextureImage(const cgltf_texture* texture)
 {
-       return texture ? (texture->has_basisu ? texture->basisu_image : texture->image) : NULL;
+	if (texture && texture->image)
+		return texture->image;
+
+	if (texture && texture->has_basisu && texture->basisu_image)
+		return texture->basisu_image;
+
+	return NULL;
 }
 
 static void analyzeMaterialTexture(const cgltf_texture_view& view, TextureKind kind, MaterialInfo& mi, cgltf_data* data, std::vector<TextureInfo>& textures, std::vector<ImageInfo>& images)
diff --git a/gltf/write.cpp b/gltf/write.cpp
index e3b7e7d96c..abcae6d42c 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -966,6 +966,8 @@ void writeTexture(std::string& json, const cgltf_texture& texture, const ImageIn
 			append(json, "\"extensions\":{\"KHR_texture_basisu\":{\"source\":");
 			append(json, size_t(texture.image - data->images));
 			append(json, "}}");
+
+			return; // skip input basisu image if present, as we replace it with the one we encoded
 		}
 		else
 		{
@@ -974,7 +976,8 @@ void writeTexture(std::string& json, const cgltf_texture& texture, const ImageIn
 			append(json, size_t(texture.image - data->images));
 		}
 	}
-	else if (texture.has_basisu)
+
+	if (texture.has_basisu && texture.basisu_image)
 	{
 		comma(json);
 		append(json, "\"extensions\":{\"KHR_texture_basisu\":{\"source\":");

From 6a4e1b731dc2afc1fbc95fa08dd48adf5ccf68d2 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 23 May 2024 11:34:48 -0700
Subject: [PATCH 078/581] js: Cache unpack(wasm_*) result for MeshoptDecoder

This reduces the cost of useWorkers by ~0.3ms on Firefox: unpack isn't
ran often enough to be carefully JIT compiled. This normally doesn't
really matter much but unfortunately by introducing useWorkers API we
gave people the power to call it on every decode, which is a bad idea
but this at least mitigates the cost somewhat.
---
 js/meshopt_decoder.js        | 6 +++---
 js/meshopt_decoder.module.js | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/js/meshopt_decoder.js b/js/meshopt_decoder.js
index 1ddd657855..4091359524 100644
--- a/js/meshopt_decoder.js
+++ b/js/meshopt_decoder.js
@@ -16,12 +16,12 @@ var MeshoptDecoder = (function() {
 		};
 	}
 
-	var wasm = WebAssembly.validate(detector) ? wasm_simd : wasm_base;
+	var wasm = WebAssembly.validate(detector) ? unpack(wasm_simd) : unpack(wasm_base);
 
 	var instance;
 
 	var ready =
-		WebAssembly.instantiate(unpack(wasm), {})
+		WebAssembly.instantiate(wasm, {})
 		.then(function(result) {
 			instance = result.instance;
 			instance.exports.__wasm_call_ctors();
@@ -94,7 +94,7 @@ var MeshoptDecoder = (function() {
 
 	function initWorkers(count) {
 		var source =
-			"self.ready = WebAssembly.instantiate(new Uint8Array([" + new Uint8Array(unpack(wasm)) + "]), {})" +
+			"self.ready = WebAssembly.instantiate(new Uint8Array([" + new Uint8Array(wasm) + "]), {})" +
 			".then(function(result) { result.instance.exports.__wasm_call_ctors(); return result.instance; });" +
 			"self.onmessage = " + workerProcess.name + ";" + decode.toString() + workerProcess.toString();
 
diff --git a/js/meshopt_decoder.module.js b/js/meshopt_decoder.module.js
index 1936748578..aa166b9a96 100644
--- a/js/meshopt_decoder.module.js
+++ b/js/meshopt_decoder.module.js
@@ -15,12 +15,12 @@ var MeshoptDecoder = (function() {
 		};
 	}
 
-	var wasm = WebAssembly.validate(detector) ? wasm_simd : wasm_base;
+	var wasm = WebAssembly.validate(detector) ? unpack(wasm_simd) : unpack(wasm_base);
 
 	var instance;
 
 	var ready =
-		WebAssembly.instantiate(unpack(wasm), {})
+		WebAssembly.instantiate(wasm, {})
 		.then(function(result) {
 			instance = result.instance;
 			instance.exports.__wasm_call_ctors();
@@ -93,7 +93,7 @@ var MeshoptDecoder = (function() {
 
 	function initWorkers(count) {
 		var source =
-			"self.ready = WebAssembly.instantiate(new Uint8Array([" + new Uint8Array(unpack(wasm)) + "]), {})" +
+			"self.ready = WebAssembly.instantiate(new Uint8Array([" + new Uint8Array(wasm) + "]), {})" +
 			".then(function(result) { result.instance.exports.__wasm_call_ctors(); return result.instance; });" +
 			"self.onmessage = " + workerProcess.name + ";" + decode.toString() + workerProcess.toString();
 

From 16e39876e5a316fc92077dfe5e4f8175a009e892 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 24 May 2024 11:17:19 -0700
Subject: [PATCH 079/581] js: Add a dedicated benchmark for decoding filters

We previously only benchmarked decodeVertexBuffer without any filters
which made it harder to verify performance after LLVM ugprades; the new
benchmark tests decodeVertexBuffer+filter decoding for every available
filter type.
---
 js/benchmark.js | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/js/benchmark.js b/js/benchmark.js
index 5aa06acca7..328658a97b 100644
--- a/js/benchmark.js
+++ b/js/benchmark.js
@@ -62,6 +62,44 @@ var tests = {
 
 		return { encodeIndex: t1 - t0, decodeIndex: t2 - t1, bytes: N * 12 };
 	},
+
+	decodeGltf: function() {
+		var N = 1024*1024;
+		var data = new Uint8Array(N * 16);
+
+		for (var i = 0; i < N * 16; i += 4)
+		{
+			data[i + 0] = 0;
+			data[i + 1] = (i % 16) * 1;
+			data[i + 2] = (i % 16) * 2;
+			data[i + 3] = (i % 16) * 8;
+		}
+
+		var decoded = new Uint8Array(N * 16);
+
+		var filters = [
+			{ name: "none", filter: "NONE", stride: 16 },
+			{ name: "oct4", filter: "OCTAHEDRAL", stride: 4 },
+			{ name: "oct12", filter: "OCTAHEDRAL", stride: 8 },
+			{ name: "quat12", filter: "QUATERNION", stride: 8 },
+			{ name: "exp", filter: "EXPONENTIAL", stride: 16 },
+			];
+
+		var results = { bytes: N * 16 };
+
+		for (var i = 0; i < filters.length; ++i) {
+			var f = filters[i];
+			var encoded = encoder.encodeVertexBuffer(data, N * 16 / f.stride, f.stride);
+
+			var t0 = performance.now();
+			decoder.decodeGltfBuffer(decoded, N * 16 / f.stride, f.stride, encoded, "ATTRIBUTES", f.filter);
+			var t1 = performance.now();
+
+			results[f.name] = t1 - t0;
+		}
+
+		return results;
+	},
 };
 
 Promise.all([encoder.ready, decoder.ready]).then(() => {

From 98802b2ead14cd6a78672afbaa981443b4b8fa07 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 24 May 2024 16:53:29 -0700
Subject: [PATCH 080/581] js: Rebuild binaries using clang 18 / WASI SDK 22

meshopt_decoder is now ~2% smaller post-gzip with no performance
difference.
---
 js/meshopt_decoder.js           | 6 +++---
 js/meshopt_decoder.module.js    | 6 +++---
 js/meshopt_encoder.js           | 4 ++--
 js/meshopt_encoder.module.js    | 4 ++--
 js/meshopt_simplifier.js        | 4 ++--
 js/meshopt_simplifier.module.js | 4 ++--
 6 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/js/meshopt_decoder.js b/js/meshopt_decoder.js
index 4091359524..59d6ecd08b 100644
--- a/js/meshopt_decoder.js
+++ b/js/meshopt_decoder.js
@@ -2,10 +2,10 @@
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptDecoder = (function() {
 	"use strict";
-	// Built with clang version 16.0.0
+	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.20
-	var wasm_base = "b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;d8Yqdbk:yzeHu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9UhlaicefhodnadTmbalc;WFbGglcjdalcjd6EhDcbhqinaqae9pmeaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxdndndndnalc9WGgmTmbcbhPcehsawcjdfhzaohHinaraH9Rax6midnaraHaxfgo9RcK6mbczhlcbhOinalgic9WfgAawcj;cbffhldndndndndnaHaAco4fRbbaOcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgAco4gCaCciSgCE86bbawcj;cbfaifglcGfaoclfaCfgCRbbaAcl4ciGgXaXciSgXE86bbalcVfaCaXfgCRbbaAcd4ciGgXaXciSgXE86bbalc7faCaXfgCRbbaAciGgAaAciSgAE86bbalctfaCaAfgCRbbaoRbegAco4gXaXciSgXE86bbalc91faCaXfgCRbbaAcl4ciGgXaXciSgXE86bbalc4faCaXfgCRbbaAcd4ciGgXaXciSgXE86bbalc93faCaXfgCRbbaAciGgAaAciSgAE86bbalc94faCaAfgCRbbaoRbdgAco4gXaXciSgXE86bbalc95faCaXfgCRbbaAcl4ciGgXaXciSgXE86bbalc96faCaXfgCRbbaAcd4ciGgXaXciSgXE86bbalc97faCaXfgCRbbaAciGgAaAciSgAE86bbalc98faCaAfgARbbaoRbigoco4gCaCciSgCE86bbalc99faAaCfgARbbaocl4ciGgCaCciSgCE86bbalc9:faAaCfgARbbaocd4ciGgCaCciSgCE86bbalcufaAaCfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgAcl4gCaCcsSgCE86bbawcj;cbfaifglcGfaocwfaCfgCRbbaAcsGgAaAcsSgAE86bbalcVfaCaAfgARbbaoRbegCcl4gXaXcsSgXE86bbalc7faAaXfgARbbaCcsGgCaCcsSgCE86bbalctfaAaCfgARbbaoRbdgCcl4gXaXcsSgXE86bbalc91faAaXfgARbbaCcsGgCaCcsSgCE86bbalc4faAaCfgARbbaoRbigCcl4gXaXcsSgXE86bbalc93faAaXfgARbbaCcsGgCaCcsSgCE86bbalc94faAaCfgARbbaoRblgCcl4gXaXcsSgXE86bbalc95faAaXfgARbbaCcsGgCaCcsSgCE86bbalc96faAaCfgARbbaoRbvgCcl4gXaXcsSgXE86bbalc97faAaXfgARbbaCcsGgCaCcsSgCE86bbalc98faAaCfgARbbaoRbogCcl4gXaXcsSgXE86bbalc99faAaXfgARbbaCcsGgCaCcsSgCE86bbalc9:faAaCfgARbbaoRbrgocl4gCaCcsSgCE86bbalcufaAaCfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaOcdfhOaiczfhlarao9RcL0mekkaiam6miaoTmidnakTmbawaPfRbbhOawcj;cbfhlazhiakhAinaialRbbgHce4cbaHceG9R7aOfgO86bbaiadfhialcefhlaAcufgAmbkkazcefhzaPcefgPad6hsaohHaPad9hmexvkkcbhoasceGmdxikaoaxad2fhXdnakTmbcbhmcehsawcjdfhCinarao9Rax6miaoTmdaoaxfhoawamfRbbhOawcj;cbfhlaChiakhAinaialRbbgHce4cbaHceG9R7aOfgO86bbaiadfhialcefhlaAcufgAmbkaCcefhCamcefgmad6hsamad9hmbkaXhoxikcbhlcehsinarao9Rax6mdaoTmeaoaxfhoalcefglad6hsadal9hmbkaXhoxdkcbhoasceGTmekc9:hoxikabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekcbc99arao9Radcaadca0ESEhokavcj;ebf8Kjjjjbaok;xzeHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgDce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhqaicefgwarfhodnaeTmbcmcsaDceSEhkcbhxcbhmcbhrcbhicbhlindnaoaq9nmbc9:hoxikdndnawRbbgDc;Ve0mbavc;abfalaDcu7gPcl4fcsGcitfgsydlhzasydbhHdnaDcsGgDak9pmbavaiaPfcsGcdtfydbaxaDEhsaDThDdndnadcd9hmbabarcetfgPaH87ebaPcdfaz87ebaPclfas87ebxekabarcdtfgPaHBdbaPclfazBdbaPcwfasBdbkaxaDfhxavc;abfalcitfgPasBdbaPazBdlavaicdtfasBdbavc;abfalcefcsGglcitfgPaHBdbaPasBdlaiaDfhialcefhlxdkdndnaDcsSmbamaDfaDc987fcefhmxekaocefhDao8SbbgscFeGhPdndnascu9mmbaDhoxekaocvfhoaPcFbGhPcrhsdninaD8SbbgOcFbGastaPVhPaOcu9kmeaDcefhDascrfgsc8J9hmbxdkkaDcefhokaPce4cbaPceG9R7amfhmkdndnadcd9hmbabarcetfgDaH87ebaDcdfaz87ebaDclfam87ebxekabarcdtfgDaHBdbaDclfazBdbaDcwfamBdbkavc;abfalcitfgDamBdbaDazBdlavaicdtfamBdbavc;abfalcefcsGglcitfgDaHBdbaDamBdlaicefhialcefhlxekdnaDcpe0mbaxcefgOavaiaqaDcsGfRbbgscl49RcsGcdtfydbascz6gPEhDavaias9RcsGcdtfydbaOaPfgzascsGgOEhsaOThOdndnadcd9hmbabarcetfgHax87ebaHcdfaD87ebaHclfas87ebxekabarcdtfgHaxBdbaHclfaDBdbaHcwfasBdbkavaicdtfaxBdbavc;abfalcitfgHaDBdbaHaxBdlavaicefgicsGcdtfaDBdbavc;abfalcefcsGcitfgHasBdbaHaDBdlavaiaPfcsGgicdtfasBdbavc;abfalcdfcsGglcitfgDaxBdbaDasBdlalcefhlaiaOfhiazaOfhxxekaxcbaoRbbgHEgAaDc;: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;abfalcitfgDazBdbaDaABdlavaicdtfaABdbavc;abfalcefcsGcitfgDaOBdbaDazBdlavaicefgicsGcdtfazBdbavc;abfalcdfcsGcitfgDaABdbaDaOBdlavaiaHcz6aXcsSVfgicsGcdtfaOBdbaiaCTaCcsSVfhialcifhlkawcefhwalcsGhlaicsGhiarcifgrae6mbkkcbc99aoaqSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;siliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:Ohkxekcjjjj94hkkabaiavcdfciGfcetfak87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:Ohqxekcjjjj94hqkabaiavcufciGfcetfaq87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohqxekcjjjj94hqkabaiavciGfcetfaq87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb";
-	var wasm_simd = "b9H79TebbbeKl9Gbb9Gvuuuuueu9Giuuub9Geueuikqbbebeedddilve9Weeeviebeoweuec:q;Aekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbdY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVblE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtboK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbrL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbwl79IV9RbDq;b9tqlbzik9:evu8Jjjjjbcz9Rhbcbheincbhdcbhiinabcwfadfaicjuaead4ceGglE86bbaialfhiadcefgdcw9hmbkaec:q:yjjbfai86bbaecitc:q1jjbfab8Piw83ibaecefgecjd9hmbkk;e8JlHud97euo978Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Rad;8qbbcj;abad9UhoaicefhldnadTmbaoc;WFbGgocjdaocjd6EhwcbhDinaDae9pmeawaeaD9RaDawfae6Egqcsfgoc9WGgkci2hxakcethmaocl4cifcd4hPabaDad2fhscbhzdnincbhHalhOcbhAdninaraO9RaP6miavcj;cbfaAak2fhCaOaPfhlcbhidnakc;ab6mbaral9Rc;Gb6mbcbhoinaCaofhidndndndndnaOaoco4fRbbgXciGPlbedibkaipxbbbbbbbbbbbbbbbbpklbxikaialpbblalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbalclfaYpQbfaKc:q:yjjbfRbbfhlxdkaialpbbwalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbalcwfaYpQbfaKc:q:yjjbfRbbfhlxekaialpbbbpklbalczfhlkdndndndndnaXcd4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklzxikaialpbblalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzalclfaYpQbfaKc:q:yjjbfRbbfhlxdkaialpbbwalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzalcwfaYpQbfaKc:q:yjjbfRbbfhlxekaialpbbbpklzalczfhlkdndndndndnaXcl4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklaxikaialpbblalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaalclfaYpQbfaKc:q:yjjbfRbbfhlxdkaialpbbwalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaalcwfaYpQbfaKc:q:yjjbfRbbfhlxekaialpbbbpklaalczfhlkdndndndndnaXco4Plbedibkaipxbbbbbbbbbbbbbbbbpkl8WxikaialpbblalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WalclfaYpQbfaXc:q:yjjbfRbbfhlxdkaialpbbwalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WalcwfaYpQbfaXc:q:yjjbfRbbfhlxekaialpbbbpkl8Walczfhlkaoc;abfhiaocjefak0meaihoaral9Rc;Fb0mbkkdndnaiak9pmbaici4hoinaral9RcK6mdaCaifhXdndndndndnaOaico4fRbbaocoG4ciGPlbedibkaXpxbbbbbbbbbbbbbbbbpklbxikaXalpbblalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbalclfaYpQbfaKc:q:yjjbfRbbfhlxdkaXalpbbwalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbalcwfaYpQbfaKc:q:yjjbfRbbfhlxekaXalpbbbpklbalczfhlkaocdfhoaiczfgiak6mbkkalTmbaAcd0hHalhOaAcefgAclSmdxekkcbhlaHceGTmdkdnakTmbavcjdfazfhiavazfpbdbhYcbhXinaiavcj;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;8qbbavavcjdfaqcufad2fad;8qbbaqaDfhDc9:hoalmexikkc9:hoxekcbc99aral9Radcaadca0ESEhokavcj;kbf8Kjjjjbaokwbz:bjjjbk;tzeHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgDce0mbavc;abfcFecje;8kbavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhqaicefgwarfhodnaeTmbcmcsaDceSEhkcbhxcbhmcbhrcbhicbhlindnaoaq9nmbc9:hoxikdndnawRbbgDc;Ve0mbavc;abfalaDcu7gPcl4fcsGcitfgsydlhzasydbhHdnaDcsGgDak9pmbavaiaPfcsGcdtfydbaxaDEhsaDThDdndnadcd9hmbabarcetfgPaH87ebaPcdfaz87ebaPclfas87ebxekabarcdtfgPaHBdbaPclfazBdbaPcwfasBdbkaxaDfhxavc;abfalcitfgPasBdbaPazBdlavaicdtfasBdbavc;abfalcefcsGglcitfgPaHBdbaPasBdlaiaDfhialcefhlxdkdndnaDcsSmbamaDfaDc987fcefhmxekaocefhDao8SbbgscFeGhPdndnascu9mmbaDhoxekaocvfhoaPcFbGhPcrhsdninaD8SbbgOcFbGastaPVhPaOcu9kmeaDcefhDascrfgsc8J9hmbxdkkaDcefhokaPce4cbaPceG9R7amfhmkdndnadcd9hmbabarcetfgDaH87ebaDcdfaz87ebaDclfam87ebxekabarcdtfgDaHBdbaDclfazBdbaDcwfamBdbkavc;abfalcitfgDamBdbaDazBdlavaicdtfamBdbavc;abfalcefcsGglcitfgDaHBdbaDamBdlaicefhialcefhlxekdnaDcpe0mbaxcefgOavaiaqaDcsGfRbbgscl49RcsGcdtfydbascz6gPEhDavaias9RcsGcdtfydbaOaPfgzascsGgOEhsaOThOdndnadcd9hmbabarcetfgHax87ebaHcdfaD87ebaHclfas87ebxekabarcdtfgHaxBdbaHclfaDBdbaHcwfasBdbkavaicdtfaxBdbavc;abfalcitfgHaDBdbaHaxBdlavaicefgicsGcdtfaDBdbavc;abfalcefcsGcitfgHasBdbaHaDBdlavaiaPfcsGgicdtfasBdbavc;abfalcdfcsGglcitfgDaxBdbaDasBdlalcefhlaiaOfhiazaOfhxxekaxcbaoRbbgHEgAaDc;: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;abfalcitfgDazBdbaDaABdlavaicdtfaABdbavc;abfalcefcsGcitfgDaOBdbaDazBdlavaicefgicsGcdtfazBdbavc;abfalcdfcsGcitfgDaABdbaDaOBdlavaiaHcz6aXcsSVfgicsGcdtfaOBdbaiaCTaCcsSVfhialcifhlkawcefhwalcsGhlaicsGhiarcifgrae6mbkkcbc99aoaqSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:wPliuo97eue978Jjjjjbca9Rhiaec98Ghldndnadcl9hmbdnalTmbcbhvabhdinadadpbbbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDpxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpkbbadczfhdavclfgval6mbkkalae9pmeaipxbbbbbbbbbbbbbbbbgqpklbaiabalcdtfgdaeciGglcdtgv;8qbbdnalTmbaiaipblbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDaqp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpklbkadaiav;8qbbskdnalTmbcbhvabhdinadczfgxaxpbbbgopxbbbbbbFFbbbbbbFFgkp9oadpbbbgDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eaDaopmbediwDqkzHOAKY8AEgoczp:Sep;6egrp;Geaoczp:Reczp:Sep;6egwp;Gep;Kep;Legopxb;:FSb;:FSb;:FSb;:FSawaopxbbbbbbbbbbbbbbbbp:2egqawpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegwawp;Meaoaop;Mearaqaramp9op9rp;Kegoaop;Mep;Kep;Kep;Jep;Negrp;Mepxbbn0bbn0bbn0bbn0gqp;Keczp:Reawarp;Meaqp;KepxFFbbFFbbFFbbFFbbp9op9qgwaoarp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogopmwDKYqk8AExm35Ps8E8Fp9qpkbbadaDakp9oawaopmbezHdiOAlvCXorQLp9qpkbbadcafhdavclfgval6mbkkalae9pmbaiaeciGgvcitgdfcbcaad9R;8kbaiabalcitfglad;8qbbdnavTmbaiaipblzgopxbbbbbbFFbbbbbbFFgkp9oaipblbgDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eaDaopmbediwDqkzHOAKY8AEgoczp:Sep;6egrp;Geaoczp:Reczp:Sep;6egwp;Gep;Kep;Legopxb;:FSb;:FSb;:FSb;:FSawaopxbbbbbbbbbbbbbbbbp:2egqawpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegwawp;Meaoaop;Mearaqaramp9op9rp;Kegoaop;Mep;Kep;Kep;Jep;Negrp;Mepxbbn0bbn0bbn0bbn0gqp;Keczp:Reawarp;Meaqp;KepxFFbbFFbbFFbbFFbbp9op9qgwaoarp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogopmwDKYqk8AExm35Ps8E8Fp9qpklzaiaDakp9oawaopmbezHdiOAlvCXorQLp9qpklbkalaiad;8qbbkk;4wllue97euv978Jjjjjbc8W9Rhidnaec98GglTmbcbhvabhoinaiaopbbbgraoczfgwpbbbgDpmlvorxmPsCXQL358E8Fgqczp:Segkclp:RepklbaopxbbjZbbjZbbjZbbjZpx;Zl81Z;Zl81Z;Zl81Z;Zl81Zakpxibbbibbbibbbibbbp9qp;6ep;NegkaraDpmbediwDqkzHOAKY8AEgrczp:Reczp:Sep;6ep;MegDaDp;Meakarczp:Sep;6ep;Megxaxp;Meakaqczp:Reczp:Sep;6ep;Megqaqp;Mep;Kep;Kep;Lepxbbbbbbbbbbbbbbbbp:4ep;Jepxb;:FSb;:FSb;:FSb;:FSgkp;Mepxbbn0bbn0bbn0bbn0grp;KepxFFbbFFbbFFbbFFbbgmp9oaxakp;Mearp;Keczp:Rep9qgxaqakp;Mearp;Keczp:ReaDakp;Mearp;Keamp9op9qgkpmbezHdiOAlvCXorQLgrp5baipblbpEb:T:j83ibaocwfarp5eaipblbpEe:T:j83ibawaxakpmwDKYqk8AExm35Ps8E8Fgkp5baipblbpEd:T:j83ibaocKfakp5eaipblbpEi:T:j83ibaocafhoavclfgval6mbkkdnalae9pmbaiaeciGgvcitgofcbcaao9R;8kbaiabalcitfgwao;8qbbdnavTmbaiaipblbgraipblzgDpmlvorxmPsCXQL358E8Fgqczp:Segkclp:RepklaaipxbbjZbbjZbbjZbbjZpx;Zl81Z;Zl81Z;Zl81Z;Zl81Zakpxibbbibbbibbbibbbp9qp;6ep;NegkaraDpmbediwDqkzHOAKY8AEgrczp:Reczp:Sep;6ep;MegDaDp;Meakarczp:Sep;6ep;Megxaxp;Meakaqczp:Reczp:Sep;6ep;Megqaqp;Mep;Kep;Kep;Lepxbbbbbbbbbbbbbbbbp:4ep;Jepxb;:FSb;:FSb;:FSb;:FSgkp;Mepxbbn0bbn0bbn0bbn0grp;KepxFFbbFFbbFFbbFFbbgmp9oaxakp;Mearp;Keczp:Rep9qgxaqakp;Mearp;Keczp:ReaDakp;Mearp;Keamp9op9qgkpmbezHdiOAlvCXorQLgrp5baipblapEb:T:j83ibaiarp5eaipblapEe:T:j83iwaiaxakpmwDKYqk8AExm35Ps8E8Fgkp5baipblapEd:T:j83izaiakp5eaipblapEi:T:j83iKkawaiao;8qbbkk:Pddiue978Jjjjjbc;ab9Rhidnadcd4ae2glc98GgvTmbcbheabhdinadadpbbbgocwp:Recwp:Sep;6eaocep:SepxbbjFbbjFbbjFbbjFp9opxbbjZbbjZbbjZbbjZp:Uep;Mepkbbadczfhdaeclfgeav6mbkkdnaval9pmbaialciGgecdtgdVcbc;abad9R;8kbaiabavcdtfgvad;8qbbdnaeTmbaiaipblbgocwp:Recwp:Sep;6eaocep:SepxbbjFbbjFbbjFbbjFp9opxbbjZbbjZbbjZbbjZp:Uep;Mepklbkavaiad;8qbbkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaikkkebcjwklz9Tbb";
+	var wasm_base = "b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;:eSgHfhraOcsGhCaOcl4hAdndnaOcs0mbarcefhoxekarhoavawaA9RcsGcdtfydbhrkdndnaCmbaocefhxxekaohxavawaO9RcsGcdtfydbhokdndnaHTmbaicefhHxekaicdfhHai8SbegscFeGhzdnascu9kmbaicofhXazcFbGhzcrhidninaH8SbbgscFbGaitazVhzascu9kmeaHcefhHaicrfgic8J9hmbkaXhHxekaHcefhHkazce4cbazceG9R7amfgmhzkdndnaAcsSmbaHhsxekaHcefhsaH8SbbgicFeGhrdnaicu9kmbaHcvfhXarcFbGhrcrhidninas8SbbgHcFbGaitarVhraHcu9kmeascefhsaicrfgic8J9hmbkaXhsxekascefhskarce4cbarceG9R7amfgmhrkdndnaCcsSmbashixekascefhias8SbbgocFeGhHdnaocu9kmbascvfhXaHcFbGhHcrhodninai8SbbgscFbGaotaHVhHascu9kmeaicefhiaocrfgoc8J9hmbkaXhixekaicefhikaHce4cbaHceG9R7amfgmhokdndnadcd9hmbabaPcetfgHaz87ebaHclfao87ebaHcdfar87ebxekabaPcdtfgHazBdbaHcwfaoBdbaHclfarBdbkcdhsavawcdtfazBdbavawcefgwcsGcdtfarBdbcihHavc;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb";
+	var wasm_simd = 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
 	var detector = new Uint8Array([0,97,115,109,1,0,0,0,1,4,1,96,0,0,3,3,2,0,0,5,3,1,0,1,12,1,0,10,22,2,12,0,65,0,65,0,65,0,252,10,0,0,11,7,0,65,0,253,15,26,11]);
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
diff --git a/js/meshopt_decoder.module.js b/js/meshopt_decoder.module.js
index aa166b9a96..d5f36710a4 100644
--- a/js/meshopt_decoder.module.js
+++ b/js/meshopt_decoder.module.js
@@ -1,10 +1,10 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptDecoder = (function() {
-	// Built with clang version 16.0.0
+	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.20
-	var wasm_base = "b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;d8Yqdbk:yzeHu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9UhlaicefhodnadTmbalc;WFbGglcjdalcjd6EhDcbhqinaqae9pmeaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxdndndndnalc9WGgmTmbcbhPcehsawcjdfhzaohHinaraH9Rax6midnaraHaxfgo9RcK6mbczhlcbhOinalgic9WfgAawcj;cbffhldndndndndnaHaAco4fRbbaOcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgAco4gCaCciSgCE86bbawcj;cbfaifglcGfaoclfaCfgCRbbaAcl4ciGgXaXciSgXE86bbalcVfaCaXfgCRbbaAcd4ciGgXaXciSgXE86bbalc7faCaXfgCRbbaAciGgAaAciSgAE86bbalctfaCaAfgCRbbaoRbegAco4gXaXciSgXE86bbalc91faCaXfgCRbbaAcl4ciGgXaXciSgXE86bbalc4faCaXfgCRbbaAcd4ciGgXaXciSgXE86bbalc93faCaXfgCRbbaAciGgAaAciSgAE86bbalc94faCaAfgCRbbaoRbdgAco4gXaXciSgXE86bbalc95faCaXfgCRbbaAcl4ciGgXaXciSgXE86bbalc96faCaXfgCRbbaAcd4ciGgXaXciSgXE86bbalc97faCaXfgCRbbaAciGgAaAciSgAE86bbalc98faCaAfgARbbaoRbigoco4gCaCciSgCE86bbalc99faAaCfgARbbaocl4ciGgCaCciSgCE86bbalc9:faAaCfgARbbaocd4ciGgCaCciSgCE86bbalcufaAaCfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgAcl4gCaCcsSgCE86bbawcj;cbfaifglcGfaocwfaCfgCRbbaAcsGgAaAcsSgAE86bbalcVfaCaAfgARbbaoRbegCcl4gXaXcsSgXE86bbalc7faAaXfgARbbaCcsGgCaCcsSgCE86bbalctfaAaCfgARbbaoRbdgCcl4gXaXcsSgXE86bbalc91faAaXfgARbbaCcsGgCaCcsSgCE86bbalc4faAaCfgARbbaoRbigCcl4gXaXcsSgXE86bbalc93faAaXfgARbbaCcsGgCaCcsSgCE86bbalc94faAaCfgARbbaoRblgCcl4gXaXcsSgXE86bbalc95faAaXfgARbbaCcsGgCaCcsSgCE86bbalc96faAaCfgARbbaoRbvgCcl4gXaXcsSgXE86bbalc97faAaXfgARbbaCcsGgCaCcsSgCE86bbalc98faAaCfgARbbaoRbogCcl4gXaXcsSgXE86bbalc99faAaXfgARbbaCcsGgCaCcsSgCE86bbalc9:faAaCfgARbbaoRbrgocl4gCaCcsSgCE86bbalcufaAaCfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaOcdfhOaiczfhlarao9RcL0mekkaiam6miaoTmidnakTmbawaPfRbbhOawcj;cbfhlazhiakhAinaialRbbgHce4cbaHceG9R7aOfgO86bbaiadfhialcefhlaAcufgAmbkkazcefhzaPcefgPad6hsaohHaPad9hmexvkkcbhoasceGmdxikaoaxad2fhXdnakTmbcbhmcehsawcjdfhCinarao9Rax6miaoTmdaoaxfhoawamfRbbhOawcj;cbfhlaChiakhAinaialRbbgHce4cbaHceG9R7aOfgO86bbaiadfhialcefhlaAcufgAmbkaCcefhCamcefgmad6hsamad9hmbkaXhoxikcbhlcehsinarao9Rax6mdaoTmeaoaxfhoalcefglad6hsadal9hmbkaXhoxdkcbhoasceGTmekc9:hoxikabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekcbc99arao9Radcaadca0ESEhokavcj;ebf8Kjjjjbaok;xzeHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgDce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhqaicefgwarfhodnaeTmbcmcsaDceSEhkcbhxcbhmcbhrcbhicbhlindnaoaq9nmbc9:hoxikdndnawRbbgDc;Ve0mbavc;abfalaDcu7gPcl4fcsGcitfgsydlhzasydbhHdnaDcsGgDak9pmbavaiaPfcsGcdtfydbaxaDEhsaDThDdndnadcd9hmbabarcetfgPaH87ebaPcdfaz87ebaPclfas87ebxekabarcdtfgPaHBdbaPclfazBdbaPcwfasBdbkaxaDfhxavc;abfalcitfgPasBdbaPazBdlavaicdtfasBdbavc;abfalcefcsGglcitfgPaHBdbaPasBdlaiaDfhialcefhlxdkdndnaDcsSmbamaDfaDc987fcefhmxekaocefhDao8SbbgscFeGhPdndnascu9mmbaDhoxekaocvfhoaPcFbGhPcrhsdninaD8SbbgOcFbGastaPVhPaOcu9kmeaDcefhDascrfgsc8J9hmbxdkkaDcefhokaPce4cbaPceG9R7amfhmkdndnadcd9hmbabarcetfgDaH87ebaDcdfaz87ebaDclfam87ebxekabarcdtfgDaHBdbaDclfazBdbaDcwfamBdbkavc;abfalcitfgDamBdbaDazBdlavaicdtfamBdbavc;abfalcefcsGglcitfgDaHBdbaDamBdlaicefhialcefhlxekdnaDcpe0mbaxcefgOavaiaqaDcsGfRbbgscl49RcsGcdtfydbascz6gPEhDavaias9RcsGcdtfydbaOaPfgzascsGgOEhsaOThOdndnadcd9hmbabarcetfgHax87ebaHcdfaD87ebaHclfas87ebxekabarcdtfgHaxBdbaHclfaDBdbaHcwfasBdbkavaicdtfaxBdbavc;abfalcitfgHaDBdbaHaxBdlavaicefgicsGcdtfaDBdbavc;abfalcefcsGcitfgHasBdbaHaDBdlavaiaPfcsGgicdtfasBdbavc;abfalcdfcsGglcitfgDaxBdbaDasBdlalcefhlaiaOfhiazaOfhxxekaxcbaoRbbgHEgAaDc;: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;abfalcitfgDazBdbaDaABdlavaicdtfaABdbavc;abfalcefcsGcitfgDaOBdbaDazBdlavaicefgicsGcdtfazBdbavc;abfalcdfcsGcitfgDaABdbaDaOBdlavaiaHcz6aXcsSVfgicsGcdtfaOBdbaiaCTaCcsSVfhialcifhlkawcefhwalcsGhlaicsGhiarcifgrae6mbkkcbc99aoaqSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;siliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:Ohkxekcjjjj94hkkabaiavcdfciGfcetfak87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:Ohqxekcjjjj94hqkabaiavcufciGfcetfaq87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohqxekcjjjj94hqkabaiavciGfcetfaq87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb";
-	var wasm_simd = "b9H79TebbbeKl9Gbb9Gvuuuuueu9Giuuub9Geueuikqbbebeedddilve9Weeeviebeoweuec:q;Aekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbdY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVblE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtboK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbrL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbwl79IV9RbDq;b9tqlbzik9:evu8Jjjjjbcz9Rhbcbheincbhdcbhiinabcwfadfaicjuaead4ceGglE86bbaialfhiadcefgdcw9hmbkaec:q:yjjbfai86bbaecitc:q1jjbfab8Piw83ibaecefgecjd9hmbkk;e8JlHud97euo978Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Rad;8qbbcj;abad9UhoaicefhldnadTmbaoc;WFbGgocjdaocjd6EhwcbhDinaDae9pmeawaeaD9RaDawfae6Egqcsfgoc9WGgkci2hxakcethmaocl4cifcd4hPabaDad2fhscbhzdnincbhHalhOcbhAdninaraO9RaP6miavcj;cbfaAak2fhCaOaPfhlcbhidnakc;ab6mbaral9Rc;Gb6mbcbhoinaCaofhidndndndndnaOaoco4fRbbgXciGPlbedibkaipxbbbbbbbbbbbbbbbbpklbxikaialpbblalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbalclfaYpQbfaKc:q:yjjbfRbbfhlxdkaialpbbwalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbalcwfaYpQbfaKc:q:yjjbfRbbfhlxekaialpbbbpklbalczfhlkdndndndndnaXcd4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklzxikaialpbblalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzalclfaYpQbfaKc:q:yjjbfRbbfhlxdkaialpbbwalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzalcwfaYpQbfaKc:q:yjjbfRbbfhlxekaialpbbbpklzalczfhlkdndndndndnaXcl4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklaxikaialpbblalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaalclfaYpQbfaKc:q:yjjbfRbbfhlxdkaialpbbwalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaalcwfaYpQbfaKc:q:yjjbfRbbfhlxekaialpbbbpklaalczfhlkdndndndndnaXco4Plbedibkaipxbbbbbbbbbbbbbbbbpkl8WxikaialpbblalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WalclfaYpQbfaXc:q:yjjbfRbbfhlxdkaialpbbwalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WalcwfaYpQbfaXc:q:yjjbfRbbfhlxekaialpbbbpkl8Walczfhlkaoc;abfhiaocjefak0meaihoaral9Rc;Fb0mbkkdndnaiak9pmbaici4hoinaral9RcK6mdaCaifhXdndndndndnaOaico4fRbbaocoG4ciGPlbedibkaXpxbbbbbbbbbbbbbbbbpklbxikaXalpbblalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbalclfaYpQbfaKc:q:yjjbfRbbfhlxdkaXalpbbwalpbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbalcwfaYpQbfaKc:q:yjjbfRbbfhlxekaXalpbbbpklbalczfhlkaocdfhoaiczfgiak6mbkkalTmbaAcd0hHalhOaAcefgAclSmdxekkcbhlaHceGTmdkdnakTmbavcjdfazfhiavazfpbdbhYcbhXinaiavcj;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;8qbbavavcjdfaqcufad2fad;8qbbaqaDfhDc9:hoalmexikkc9:hoxekcbc99aral9Radcaadca0ESEhokavcj;kbf8Kjjjjbaokwbz:bjjjbk;tzeHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgDce0mbavc;abfcFecje;8kbavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhqaicefgwarfhodnaeTmbcmcsaDceSEhkcbhxcbhmcbhrcbhicbhlindnaoaq9nmbc9:hoxikdndnawRbbgDc;Ve0mbavc;abfalaDcu7gPcl4fcsGcitfgsydlhzasydbhHdnaDcsGgDak9pmbavaiaPfcsGcdtfydbaxaDEhsaDThDdndnadcd9hmbabarcetfgPaH87ebaPcdfaz87ebaPclfas87ebxekabarcdtfgPaHBdbaPclfazBdbaPcwfasBdbkaxaDfhxavc;abfalcitfgPasBdbaPazBdlavaicdtfasBdbavc;abfalcefcsGglcitfgPaHBdbaPasBdlaiaDfhialcefhlxdkdndnaDcsSmbamaDfaDc987fcefhmxekaocefhDao8SbbgscFeGhPdndnascu9mmbaDhoxekaocvfhoaPcFbGhPcrhsdninaD8SbbgOcFbGastaPVhPaOcu9kmeaDcefhDascrfgsc8J9hmbxdkkaDcefhokaPce4cbaPceG9R7amfhmkdndnadcd9hmbabarcetfgDaH87ebaDcdfaz87ebaDclfam87ebxekabarcdtfgDaHBdbaDclfazBdbaDcwfamBdbkavc;abfalcitfgDamBdbaDazBdlavaicdtfamBdbavc;abfalcefcsGglcitfgDaHBdbaDamBdlaicefhialcefhlxekdnaDcpe0mbaxcefgOavaiaqaDcsGfRbbgscl49RcsGcdtfydbascz6gPEhDavaias9RcsGcdtfydbaOaPfgzascsGgOEhsaOThOdndnadcd9hmbabarcetfgHax87ebaHcdfaD87ebaHclfas87ebxekabarcdtfgHaxBdbaHclfaDBdbaHcwfasBdbkavaicdtfaxBdbavc;abfalcitfgHaDBdbaHaxBdlavaicefgicsGcdtfaDBdbavc;abfalcefcsGcitfgHasBdbaHaDBdlavaiaPfcsGgicdtfasBdbavc;abfalcdfcsGglcitfgDaxBdbaDasBdlalcefhlaiaOfhiazaOfhxxekaxcbaoRbbgHEgAaDc;:eSgDfhzaHcsGhCaHcl4hXdndnaHcs0mbazcefhOxekazhOavaiaX9RcsGcdtfydbhzkdndnaCmbaOcefhxxekaOhxavaiaH9RcsGcdtfydbhOkdndnaDTmbaocefhDxekaocdfhDao8SbegPcFeGhsdnaPcu9kmbaocofhAascFbGhscrhodninaD8SbbgPcFbGaotasVhsaPcu9kmeaDcefhDaocrfgoc8J9hmbkaAhDxekaDcefhDkasce4cbasceG9R7amfgmhAkdndnaXcsSmbaDhsxekaDcefhsaD8SbbgocFeGhPdnaocu9kmbaDcvfhzaPcFbGhPcrhodninas8SbbgDcFbGaotaPVhPaDcu9kmeascefhsaocrfgoc8J9hmbkazhsxekascefhskaPce4cbaPceG9R7amfgmhzkdndnaCcsSmbashoxekascefhoas8SbbgDcFeGhPdnaDcu9kmbascvfhOaPcFbGhPcrhDdninao8SbbgscFbGaDtaPVhPascu9kmeaocefhoaDcrfgDc8J9hmbkaOhoxekaocefhokaPce4cbaPceG9R7amfgmhOkdndnadcd9hmbabarcetfgDaA87ebaDcdfaz87ebaDclfaO87ebxekabarcdtfgDaABdbaDclfazBdbaDcwfaOBdbkavc;abfalcitfgDazBdbaDaABdlavaicdtfaABdbavc;abfalcefcsGcitfgDaOBdbaDazBdlavaicefgicsGcdtfazBdbavc;abfalcdfcsGcitfgDaABdbaDaOBdlavaiaHcz6aXcsSVfgicsGcdtfaOBdbaiaCTaCcsSVfhialcifhlkawcefhwalcsGhlaicsGhiarcifgrae6mbkkcbc99aoaqSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:wPliuo97eue978Jjjjjbca9Rhiaec98Ghldndnadcl9hmbdnalTmbcbhvabhdinadadpbbbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDpxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpkbbadczfhdavclfgval6mbkkalae9pmeaipxbbbbbbbbbbbbbbbbgqpklbaiabalcdtfgdaeciGglcdtgv;8qbbdnalTmbaiaipblbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDaqp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpklbkadaiav;8qbbskdnalTmbcbhvabhdinadczfgxaxpbbbgopxbbbbbbFFbbbbbbFFgkp9oadpbbbgDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eaDaopmbediwDqkzHOAKY8AEgoczp:Sep;6egrp;Geaoczp:Reczp:Sep;6egwp;Gep;Kep;Legopxb;:FSb;:FSb;:FSb;:FSawaopxbbbbbbbbbbbbbbbbp:2egqawpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegwawp;Meaoaop;Mearaqaramp9op9rp;Kegoaop;Mep;Kep;Kep;Jep;Negrp;Mepxbbn0bbn0bbn0bbn0gqp;Keczp:Reawarp;Meaqp;KepxFFbbFFbbFFbbFFbbp9op9qgwaoarp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogopmwDKYqk8AExm35Ps8E8Fp9qpkbbadaDakp9oawaopmbezHdiOAlvCXorQLp9qpkbbadcafhdavclfgval6mbkkalae9pmbaiaeciGgvcitgdfcbcaad9R;8kbaiabalcitfglad;8qbbdnavTmbaiaipblzgopxbbbbbbFFbbbbbbFFgkp9oaipblbgDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eaDaopmbediwDqkzHOAKY8AEgoczp:Sep;6egrp;Geaoczp:Reczp:Sep;6egwp;Gep;Kep;Legopxb;:FSb;:FSb;:FSb;:FSawaopxbbbbbbbbbbbbbbbbp:2egqawpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegwawp;Meaoaop;Mearaqaramp9op9rp;Kegoaop;Mep;Kep;Kep;Jep;Negrp;Mepxbbn0bbn0bbn0bbn0gqp;Keczp:Reawarp;Meaqp;KepxFFbbFFbbFFbbFFbbp9op9qgwaoarp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogopmwDKYqk8AExm35Ps8E8Fp9qpklzaiaDakp9oawaopmbezHdiOAlvCXorQLp9qpklbkalaiad;8qbbkk;4wllue97euv978Jjjjjbc8W9Rhidnaec98GglTmbcbhvabhoinaiaopbbbgraoczfgwpbbbgDpmlvorxmPsCXQL358E8Fgqczp:Segkclp:RepklbaopxbbjZbbjZbbjZbbjZpx;Zl81Z;Zl81Z;Zl81Z;Zl81Zakpxibbbibbbibbbibbbp9qp;6ep;NegkaraDpmbediwDqkzHOAKY8AEgrczp:Reczp:Sep;6ep;MegDaDp;Meakarczp:Sep;6ep;Megxaxp;Meakaqczp:Reczp:Sep;6ep;Megqaqp;Mep;Kep;Kep;Lepxbbbbbbbbbbbbbbbbp:4ep;Jepxb;:FSb;:FSb;:FSb;:FSgkp;Mepxbbn0bbn0bbn0bbn0grp;KepxFFbbFFbbFFbbFFbbgmp9oaxakp;Mearp;Keczp:Rep9qgxaqakp;Mearp;Keczp:ReaDakp;Mearp;Keamp9op9qgkpmbezHdiOAlvCXorQLgrp5baipblbpEb:T:j83ibaocwfarp5eaipblbpEe:T:j83ibawaxakpmwDKYqk8AExm35Ps8E8Fgkp5baipblbpEd:T:j83ibaocKfakp5eaipblbpEi:T:j83ibaocafhoavclfgval6mbkkdnalae9pmbaiaeciGgvcitgofcbcaao9R;8kbaiabalcitfgwao;8qbbdnavTmbaiaipblbgraipblzgDpmlvorxmPsCXQL358E8Fgqczp:Segkclp:RepklaaipxbbjZbbjZbbjZbbjZpx;Zl81Z;Zl81Z;Zl81Z;Zl81Zakpxibbbibbbibbbibbbp9qp;6ep;NegkaraDpmbediwDqkzHOAKY8AEgrczp:Reczp:Sep;6ep;MegDaDp;Meakarczp:Sep;6ep;Megxaxp;Meakaqczp:Reczp:Sep;6ep;Megqaqp;Mep;Kep;Kep;Lepxbbbbbbbbbbbbbbbbp:4ep;Jepxb;:FSb;:FSb;:FSb;:FSgkp;Mepxbbn0bbn0bbn0bbn0grp;KepxFFbbFFbbFFbbFFbbgmp9oaxakp;Mearp;Keczp:Rep9qgxaqakp;Mearp;Keczp:ReaDakp;Mearp;Keamp9op9qgkpmbezHdiOAlvCXorQLgrp5baipblapEb:T:j83ibaiarp5eaipblapEe:T:j83iwaiaxakpmwDKYqk8AExm35Ps8E8Fgkp5baipblapEd:T:j83izaiakp5eaipblapEi:T:j83iKkawaiao;8qbbkk:Pddiue978Jjjjjbc;ab9Rhidnadcd4ae2glc98GgvTmbcbheabhdinadadpbbbgocwp:Recwp:Sep;6eaocep:SepxbbjFbbjFbbjFbbjFp9opxbbjZbbjZbbjZbbjZp:Uep;Mepkbbadczfhdaeclfgeav6mbkkdnaval9pmbaialciGgecdtgdVcbc;abad9R;8kbaiabavcdtfgvad;8qbbdnaeTmbaiaipblbgocwp:Recwp:Sep;6eaocep:SepxbbjFbbjFbbjFbbjFp9opxbbjZbbjZbbjZbbjZp:Uep;Mepklbkavaiad;8qbbkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaikkkebcjwklz9Tbb";
+	var wasm_base = "b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb";
+	var wasm_simd = 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gYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfglaYaLa8ApmwDKYqk8AExm35Ps8E8FgQaQpmbedibedibedibedip9UgYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfhiaXczfgXak6mbkkaHclfgHad6mbkasavcjdfaqad2;8qbbavavcjdfaqcufad2fad;8qbbaqaDfgDae6mbkkcbc99arao9Radcaadca0ESEhokavcj;kbf8Kjjjjbaokwbz:bjjjbk::seHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecje;8kbavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:wPliuo97eue978Jjjjjbca9Rhiaec98Ghldndnadcl9hmbdnalTmbcbhvabhdinadadpbbbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDpxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpkbbadczfhdavclfgval6mbkkalaeSmeaipxbbbbbbbbbbbbbbbbgqpklbaiabalcdtfgdaeciGglcdtgv;8qbbdnalTmbaiaipblbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDaqp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpklbkadaiav;8qbbskdnalTmbcbhvabhdinadczfgxaxpbbbgopxbbbbbbFFbbbbbbFFgkp9oadpbbbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Keczp:Rep9qgoarawp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogrpmwDKYqk8AExm35Ps8E8Fp9qpkbbadaDakp9oaoarpmbezHdiOAlvCXorQLp9qpkbbadcafhdavclfgval6mbkkalaeSmbaiaeciGgvcitgdfcbcaad9R;8kbaiabalcitfglad;8qbbdnavTmbaiaipblzgopxbbbbbbFFbbbbbbFFgkp9oaipblbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Ke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
 	var detector = new Uint8Array([0,97,115,109,1,0,0,0,1,4,1,96,0,0,3,3,2,0,0,5,3,1,0,1,12,1,0,10,22,2,12,0,65,0,65,0,65,0,252,10,0,0,11,7,0,65,0,253,15,26,11]);
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
diff --git a/js/meshopt_encoder.js b/js/meshopt_encoder.js
index 221da355bf..7c0f8697db 100644
--- a/js/meshopt_encoder.js
+++ b/js/meshopt_encoder.js
@@ -2,9 +2,9 @@
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptEncoder = (function() {
 	"use strict";
-	// Built with clang version 16.0.0
+	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.20
-	var wasm = "b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:W;kekr;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;3keYu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRb:S:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9UhodndndndndnalTmbaoc;WFbGgecjdaecjd6Ehqcbhkdninakai9pmiaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndndndnaec9WGgsTmbcbhzcehHaPhOawhAxekdnaxTmbcbhAcehHaPhCinaDaAfRbbhXaDcjlfheaChoaxhQinaeaoRbbgLaX9RgXcetaX;acr4786bbaoalfhoaecefheaLhXaQcufgQmbkaraw9Ram6miawcbamzNjjjbgeTmiaCcefhCaeamfhwaAcefgAal6hHaAal9hmbxvkkaraw9Ram6mvawcbamzNjjjb8AceheinawgXamfhwalaegoSmldnaraw9Ram6mbaocefheawcbamzNjjjb8AaXmekkaoal6hHxekindnaxTmbaDazfRbbhXaDcjlfheaOhoaxhQinaeaoRbbgLaX9RgXcetaX;acr4786bbaoalfhoaecefheaLhXaQcufgQmbkkaraA9Ram6mearaAcbamzNjjjbgKamfgw9RcK6mdcbhYaDcjlfhAinaDcjlfaYfh8AcwhCczhLcehQindndnaQce9hmbcuhoa8ARbbmecbhodninaogecsSmeaecefhoaAaefcefRbbTmbkkcucbaecs6EhoxekaQcetc;: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:tjjjb8AaxakfhkawmbkcbhoxokcbhoxvkaiTmekcbhoaraw9Ralcaalca0E6mialc8F9nmexdkcbhoaecufca6mdkawcbcaal9RgezNjjjbaefhwkawaDcjdfalz:tjjjbalfab9Rhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBd:S:kjjbk;rse3u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:C:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgoydbhLaocwfydbhKaoclfydbhYcbh8Adndninalc;abfavcsGcitfgoydlhEdndndnaoydbgoaL9hmbaEaYSmekdnaoaY9hmbaEaK9hmba8Acefh8AxekaoaK9hmeaEaL9hmea8Acdfh8Aka8Ac870mdaXcufhvada8AciGcx2goc:y1jjbfydbaCfcdtfydbhEadaocN1jjbfydbaCfcdtfydbhKadaoc:q1jjbfydbaCfcdtfydbhLcbhodnindnalavcsGcdtfydbaE9hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaEaOSgvaYce9iaYaH9oVgoGh3dndndndndncbcsavEaYaoEgvcs9hmbarce9imbaEaEaAaEcefaASgvEgAcefSmecmcsavEhvkasava8Acdtc;WeGV86bbavcs9hmeaEaA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbkaEhAxdkcPhvasa8AcdtcPV86bbaEhAkavTmbavaH9imekalaXcdtfaEBdbaXcefcsGhXkaOa3fhOalc;abfaQcitfgvaKBdlavaEBdbalc;abfaQcefcsGgvcitfgoaEBdlaoaLBdbavcefhoxikavcufhva8Aclfg8Ac;ab9hmbkkdnadceaKaOScetaYaOSEcx2gvc:q1jjbfydbaCfcdtfydbgLTadavcN1jjbfydbaCfcdtfydbg8AceSGadavc:y1jjbfydbaCfcdtfydbgYcdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhKxdkcuhKaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydbaY9hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaLaOSg8Efh3dndnaKcm0mbaKcefhKxekcbcsa8Aa3SgvEhKa3avfh3kdndnaEcm0mbaEcefhExekcbcsaYa3SgvEhEa3avfh3kc9:cua8EEh8FaEaKcltVhocbhvdndndninavcj1jjbfRbbaocFeGSmeavcefgvcz9hmbxdkka5aLaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeao86bbaecefhekdna8EmbaLaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaLhAkdnaKcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmbaYaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaYhAkalaXcdtfaLBdbaXcefcsGhvdndnaKPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfaYBdbavcefcsGhvkalc;abfaQcitfgoaLBdlaoa8ABdbalc;abfaQcefcsGcitfgoa8ABdlaoaYBdbalc;abfaQcdfcsGcitfgoaYBdlaoaLBdbaQcifhoavhXa3hOkascefhsaocsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:C:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:C:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gw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+	var wasm = "b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G;kekr;RiOo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9FW9U9J9V9KW9wWVtW949c919M9MWVbe8F9TW79O9V9Wt9FW9U9J9V9KW9wWVtW949c919M9MWV9c9V919U9KbdE9TW79O9V9Wt9FW9U9J9V9KW9wWVtW949wWV79P9V9UbiY9TW79O9V9Wt9FW9U9J9V9KW69U9KW949c919M9MWVbl8E9TW79O9V9Wt9FW9U9J9V9KW69U9KW949c919M9MWV9c9V919U9Kbv8A9TW79O9V9Wt9FW9U9J9V9KW69U9KW949wWV79P9V9UboE9TW79O9V9Wt9FW9U9J9V9KW69U9KW949tWG91W9U9JWbra9TW79O9V9Wt9FW9U9J9V9KW69U9KW949tWG91W9U9JW9c9V919U9KbwL9TW79O9V9Wt9FW9U9J9V9KWS9P2tWV9p9JtbDK9TW79O9V9Wt9FW9U9J9V9KWS9P2tWV9r919HtbqL9TW79O9V9Wt9FW9U9J9V9KWS9P2tWVT949WbkE9TW79O9V9Wt9F9V9Wt9P9T9P96W9wWVtW94J9H9J9OWbPa9TW79O9V9Wt9F9V9Wt9P9T9P96W9wWVtW94J9H9J9OW9ttV9P9Wbsa9TW79O9V9Wt9F9V9Wt9P9T9P96W9wWVtW94SWt9J9O9sW9T9H9WbzK9TW79O9V9Wt9F79W9Ht9P9H29t9VVt9sW9T9H9WbHl79IV9RbODwebcekdQXq;C9oLdbk;GqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;WFbGgecjdaecjd6Ehqcbhkindndnaiak9nmbaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndnaec9WGgsTmbcbhzaPhHawhOxekdnaxmbalheinaraw9Ram6miawcbamzNjjjbamfhwaecufgembxvkkcbhAaPhOinaDaAfRbbhCaDcjlfheaOhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkaraw9Ram6mdaOcefhOawcbamzNjjjbamfhwaAcefgAal9hmbxlkkindnaxTmbaDazfRbbhCaDcjlfheaHhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkkaraO9Ram6mearaOcbamzNjjjbgLamfgw9RcK6mecbhKaDcjlfhOinaDcjlfaKfhYcwhAczhQceheindndnaegXce9hmbcuhoaYRbbmecbhodninaogecsSmeaecefhoaOaefcefRbbTmbkkcucbaecs6EhoxekaXcethocuaXtc;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcet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
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 
diff --git a/js/meshopt_encoder.module.js b/js/meshopt_encoder.module.js
index 0ce51b959d..c2b7efd88d 100644
--- a/js/meshopt_encoder.module.js
+++ b/js/meshopt_encoder.module.js
@@ -1,9 +1,9 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptEncoder = (function() {
-	// Built with clang version 16.0.0
+	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.20
-	var wasm = "b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:W;kekr;RiOo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9FW9U9J9V9KW9wWVtW949c919M9MWVbe8F9TW79O9V9Wt9FW9U9J9V9KW9wWVtW949c919M9MWV9c9V919U9KbdE9TW79O9V9Wt9FW9U9J9V9KW9wWVtW949wWV79P9V9UbiY9TW79O9V9Wt9FW9U9J9V9KW69U9KW949c919M9MWVbl8E9TW79O9V9Wt9FW9U9J9V9KW69U9KW949c919M9MWV9c9V919U9Kbv8A9TW79O9V9Wt9FW9U9J9V9KW69U9KW949wWV79P9V9UboE9TW79O9V9Wt9FW9U9J9V9KW69U9KW949tWG91W9U9JWbra9TW79O9V9Wt9FW9U9J9V9KW69U9KW949tWG91W9U9JW9c9V919U9KbwL9TW79O9V9Wt9FW9U9J9V9KWS9P2tWV9p9JtbDK9TW79O9V9Wt9FW9U9J9V9KWS9P2tWV9r919HtbqL9TW79O9V9Wt9FW9U9J9V9KWS9P2tWVT949WbkE9TW79O9V9Wt9F9V9Wt9P9T9P96W9wWVtW94J9H9J9OWbPa9TW79O9V9Wt9F9V9Wt9P9T9P96W9wWVtW94J9H9J9OW9ttV9P9Wbsa9TW79O9V9Wt9F9V9Wt9P9T9P96W9wWVtW94SWt9J9O9sW9T9H9WbzK9TW79O9V9Wt9F79W9Ht9P9H29t9VVt9sW9T9H9WbHl79IV9RbODwebcekdQXqF9qLdbk;3keYu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRb:S:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9UhodndndndndnalTmbaoc;WFbGgecjdaecjd6Ehqcbhkdninakai9pmiaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndndndnaec9WGgsTmbcbhzcehHaPhOawhAxekdnaxTmbcbhAcehHaPhCinaDaAfRbbhXaDcjlfheaChoaxhQinaeaoRbbgLaX9RgXcetaX;acr4786bbaoalfhoaecefheaLhXaQcufgQmbkaraw9Ram6miawcbamzNjjjbgeTmiaCcefhCaeamfhwaAcefgAal6hHaAal9hmbxvkkaraw9Ram6mvawcbamzNjjjb8AceheinawgXamfhwalaegoSmldnaraw9Ram6mbaocefheawcbamzNjjjb8AaXmekkaoal6hHxekindnaxTmbaDazfRbbhXaDcjlfheaOhoaxhQinaeaoRbbgLaX9RgXcetaX;acr4786bbaoalfhoaecefheaLhXaQcufgQmbkkaraA9Ram6mearaAcbamzNjjjbgKamfgw9RcK6mdcbhYaDcjlfhAinaDcjlfaYfh8AcwhCczhLcehQindndnaQce9hmbcuhoa8ARbbmecbhodninaogecsSmeaecefhoaAaefcefRbbTmbkkcucbaecs6EhoxekaQcetc;: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:tjjjb8AaxakfhkawmbkcbhoxokcbhoxvkaiTmekcbhoaraw9Ralcaalca0E6mialc8F9nmexdkcbhoaecufca6mdkawcbcaal9RgezNjjjbaefhwkawaDcjdfalz:tjjjbalfab9Rhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBd:S:kjjbk;rse3u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:C:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgoydbhLaocwfydbhKaoclfydbhYcbh8Adndninalc;abfavcsGcitfgoydlhEdndndnaoydbgoaL9hmbaEaYSmekdnaoaY9hmbaEaK9hmba8Acefh8AxekaoaK9hmeaEaL9hmea8Acdfh8Aka8Ac870mdaXcufhvada8AciGcx2goc:y1jjbfydbaCfcdtfydbhEadaocN1jjbfydbaCfcdtfydbhKadaoc:q1jjbfydbaCfcdtfydbhLcbhodnindnalavcsGcdtfydbaE9hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaEaOSgvaYce9iaYaH9oVgoGh3dndndndndncbcsavEaYaoEgvcs9hmbarce9imbaEaEaAaEcefaASgvEgAcefSmecmcsavEhvkasava8Acdtc;WeGV86bbavcs9hmeaEaA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbkaEhAxdkcPhvasa8AcdtcPV86bbaEhAkavTmbavaH9imekalaXcdtfaEBdbaXcefcsGhXkaOa3fhOalc;abfaQcitfgvaKBdlavaEBdbalc;abfaQcefcsGgvcitfgoaEBdlaoaLBdbavcefhoxikavcufhva8Aclfg8Ac;ab9hmbkkdnadceaKaOScetaYaOSEcx2gvc:q1jjbfydbaCfcdtfydbgLTadavcN1jjbfydbaCfcdtfydbg8AceSGadavc:y1jjbfydbaCfcdtfydbgYcdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhKxdkcuhKaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydbaY9hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaLaOSg8Efh3dndnaKcm0mbaKcefhKxekcbcsa8Aa3SgvEhKa3avfh3kdndnaEcm0mbaEcefhExekcbcsaYa3SgvEhEa3avfh3kc9:cua8EEh8FaEaKcltVhocbhvdndndninavcj1jjbfRbbaocFeGSmeavcefgvcz9hmbxdkka5aLaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeao86bbaecefhekdna8EmbaLaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaLhAkdnaKcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmbaYaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaYhAkalaXcdtfaLBdbaXcefcsGhvdndnaKPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfaYBdbavcefcsGhvkalc;abfaQcitfgoaLBdlaoa8ABdbalc;abfaQcefcsGcitfgoa8ABdlaoaYBdbalc;abfaQcdfcsGcitfgoaYBdlaoaLBdbaQcifhoavhXa3hOkascefhsaocsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:C:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:C:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gw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+	var wasm = "b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G;kekr;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;C9oLdbk;GqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;WFbGgecjdaecjd6Ehqcbhkindndnaiak9nmbaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndnaec9WGgsTmbcbhzaPhHawhOxekdnaxmbalheinaraw9Ram6miawcbamzNjjjbamfhwaecufgembxvkkcbhAaPhOinaDaAfRbbhCaDcjlfheaOhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkaraw9Ram6mdaOcefhOawcbamzNjjjbamfhwaAcefgAal9hmbxlkkindnaxTmbaDazfRbbhCaDcjlfheaHhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkkaraO9Ram6mearaOcbamzNjjjbgLamfgw9RcK6mecbhKaDcjlfhOinaDcjlfaKfhYcwhAczhQceheindndnaegXce9hmbcuhoaYRbbmecbhodninaogecsSmeaecefhoaOaefcefRbbTmbkkcucbaecs6EhoxekaXcethocuaXtc;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcet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
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 
diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 9c9a12fc09..3daeb3808f 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -2,9 +2,9 @@
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptSimplifier = (function() {
 	"use strict";
-	// Built with clang version 16.0.0
+	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.20
-	var wasm = 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dbMUdbazcxfgzaLcxfIdbazIdbMUdbaKczfhKaEcufgEmbkkaAcwfhKdndndndna3aYfgLRbbc9: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:cjjjbkdnaPTmbaPa8Z:rUdbkasyd9Ogzcdtascwffc98fhXdninazTmeaXydbcbyd:m:jjjbH:bjjjbbaXc98fhXazcufhzxbkkasc;W;abf8Kjjjjbadk;:ieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbarcearce0EhdinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfheadcufgdmbkkabydbcbBdbk:Zldouv998Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdnadTmbaicd4hvdnabTmbavcdthocbhraehwinabarcx2fgiaearav2cdtfgDIdbUdbaiaDIdlUdlaiaDIdwUdwcbhiinalczfaifgDawaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkawaofhwarcefgrad9hmbxdkkavcdthrcbhwincbhiinalczfaifgDaeaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkaearfheawcefgwad9hmbkkdnabTmbadTmbJbbbbJbbjZalIdbalIdzgk:tJbbbb:xgqalIdlalIdCgx:tgmamaq9DEgqalIdwalIdKgm:tgPaPaq9DEgq:vaqJbbbb9BEhqinabaqabIdbak:tNUdbabclfgiaqaiIdbax:tNUdbabcwfgiaqaiIdbam:tNUdbabcxfhbadcufgdmbkkk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;lOowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcwfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd1:jjjbHjjjjbbgqBdwawceBd9Oaqaeadaiz:djjjbawcuadcdtadcFFFFi0Egkcbyd1:jjjbHjjjjbbgxBdxawcdBd9Oadcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd1:jjjbHjjjjbbgsBdzawciBd9Odndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd1:jjjbHjjjjbbg5BdCawclBd9OdndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd1:jjjbHjjjjbbgeBdKawcvBd9Oaecbaiz:ljjjbhOavcd4hxdnadTmbaxcdth3a5hmalhAaqheadhEinaOamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaAc;81jjbalEgCIdbaiIdxMUdxaiaCIdlaiIdzMUdzaiaCIdwaiIdCMUdCaiaiIdKJbbjZMUdKamclfhmaAa3fhAaecxfheaEcufgEmbkkdnaDTmbaOcxfhiaDheinaictfgmamIdbJbbbbJbbjZaicxfIdbgH:vaHJbbbb9BEgHNUdbaic94fgmaHamIdbNUdbaic98fgmaHamIdbNUdbaiaHaiIdbNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd1:jjjbHjjjjbbgeBd3awcoBd9Oawaicbyd1:jjjbHjjjjbbgEBdaaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;81jjbalEgmIdwaOa5ydbgCc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aCcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcwffydbcbyd:m:jjjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Qdidui99ducbhi8Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdndnaembJbbjFhvJbbjFhoJbbjFhrxekadcd4cdthwincbhdinalczfadfgDabadfIdbgoaDIdbgrarao9EEUdbaladfgDaoaDIdbgrarao9DEUdbadclfgdcx9hmbkabawfhbaicefgiae9hmbkalIdwalIdK:thralIdlalIdC:thoalIdbalIdz:thvkavJbbbb:xgvaoaoav9DEgoararao9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcifc98GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;Leeeudndna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+	var wasm = 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fhKaEcufgEmbkka8JcwfhKdndndndna3aAfgLRbbc9: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:cjjjbkdnaPTmbaPa8Z:rUdbkasyd2gzcdtascxffc98fhXdninazTmeaXydbcbyd;S1jjbH:bjjjbbaXc98fhXazcufhzxbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk:2ldouv998Jjjjjbca9RglcFFF;7rBd3al9cFFF;7;3FF:;Fb83dCalcFFF97Bdzal9cFFF;7FFF:;u83dwdnadTmbaicd4hvdnabTmbavcdthocbhraehwinabarcx2fgiaearav2cdtfgDIdbUdbaiaDIdlUdlaiaDIdwUdwcbhiinalcCfaifgDawaifIdbgqaDIdbgkakaq9EEUdbalcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkawaofhwarcefgrad9hmbxdkkavcdthrcbhwincbhiinalcCfaifgDaeaifIdbgqaDIdbgkakaq9EEUdbalcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkaearfheawcefgwad9hmbkkdnabTmbadTmbJbbbbJbbjZJbbbbalIdwalIdCgk:tgqaqJbbbb9DEgqalIdxalIdKgx:tgmamaq9DEgqalIdzalId3gm:tgPaPaq9DEgq:vaqJbbbb9BEhqinabaqabIdbak:tNUdbabclfgiaqaiIdbax:tNUdbabcwfgiaqaiIdbam:tNUdbabcxfhbadcufgdmbkkk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;0Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;O1jjbHjjjjbbgqBdxawceBd2aqaeadaiz:djjjbawcuadcdtadcFFFFi0Egkcbyd;O1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;O1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;O1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;O1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;O1jjbHjjjjbbgeBdaawcoBd2awaicbyd;O1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;S1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb";
 
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index 645878f925..a4ff5f1fe8 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -1,9 +1,9 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptSimplifier = (function() {
-	// Built with clang version 16.0.0
+	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.20
-	var wasm = 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dbMUdbazcxfgzaLcxfIdbazIdbMUdbaKczfhKaEcufgEmbkkaAcwfhKdndndndna3aYfgLRbbc9:fPdebdkaYhzinaOazcdtgzfa5BdbaQazfydbgzaY9hmbxikkaQa0fydbhzaQa9nfydbhYaOa9nfa9kBdbazh9kkaOaYcdtfa9kBdbka9pce86bba9mce86bbaKIdbgIa8Za8ZaI9DEh8ZaTcefhTcecdaLRbbceSEaifhika8Jcefg8JaH9hmbkkdnaTmbaghdxikdnalTmbcbhKaahzindnazydbgLcuSmbdnaKaOaLcdtg5fydbgL9hmbaaa5fydbhLkazaLBdbkazclfhzalaKcefgK9hmbkcbhKahhzindnazydbgLcuSmbdnaKaOaLcdtg5fydbgL9hmbaha5fydbhLkazaLBdbkazclfhzalaKcefgK9hmbkkcbhdabhzcbhEindnaOazydbcdtfydbgKaOazclfydbcdtfydbgLSmbaKaOazcwfydbcdtfydbg5SmbaLa5Smbabadcdtfg8EaKBdba8EclfaLBdba8Ecwfa5BdbadcifhdkazcxfhzaEcifgEag6mbkadak9nmdxbkkasabadalaXz:cjjjbkdnaPTmbaPa8Z:rUdbkasyd9Ogzcdtascwffc98fhXdninazTmeaXydbcbyd:m:jjjbH:bjjjbbaXc98fhXazcufhzxbkkasc;W;abf8Kjjjjbadk;:ieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbarcearce0EhdinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfheadcufgdmbkkabydbcbBdbk:Zldouv998Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdnadTmbaicd4hvdnabTmbavcdthocbhraehwinabarcx2fgiaearav2cdtfgDIdbUdbaiaDIdlUdlaiaDIdwUdwcbhiinalczfaifgDawaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkawaofhwarcefgrad9hmbxdkkavcdthrcbhwincbhiinalczfaifgDaeaifIdbgqaDIdbgkakaq9EEUdbalaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkaearfheawcefgwad9hmbkkdnabTmbadTmbJbbbbJbbjZalIdbalIdzgk:tJbbbb:xgqalIdlalIdCgx:tgmamaq9DEgqalIdwalIdKgm:tgPaPaq9DEgq:vaqJbbbb9BEhqinabaqabIdbak:tNUdbabclfgiaqaiIdbax:tNUdbabcwfgiaqaiIdbam:tNUdbabcxfhbadcufgdmbkkk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;lOowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcwfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd1:jjjbHjjjjbbgqBdwawceBd9Oaqaeadaiz:djjjbawcuadcdtadcFFFFi0Egkcbyd1:jjjbHjjjjbbgxBdxawcdBd9Oadcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd1:jjjbHjjjjbbgsBdzawciBd9Odndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd1:jjjbHjjjjbbg5BdCawclBd9OdndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd1:jjjbHjjjjbbgeBdKawcvBd9Oaecbaiz:ljjjbhOavcd4hxdnadTmbaxcdth3a5hmalhAaqheadhEinaOamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaAc;81jjbalEgCIdbaiIdxMUdxaiaCIdlaiIdzMUdzaiaCIdwaiIdCMUdCaiaiIdKJbbjZMUdKamclfhmaAa3fhAaecxfheaEcufgEmbkkdnaDTmbaOcxfhiaDheinaictfgmamIdbJbbbbJbbjZaicxfIdbgH:vaHJbbbb9BEgHNUdbaic94fgmaHamIdbNUdbaic98fgmaHamIdbNUdbaiaHaiIdbNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd1:jjjbHjjjjbbgeBd3awcoBd9Oawaicbyd1:jjjbHjjjjbbgEBdaaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;81jjbalEgmIdwaOa5ydbgCc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aCcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcwffydbcbyd:m:jjjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Qdidui99ducbhi8Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdndnaembJbbjFhvJbbjFhoJbbjFhrxekadcd4cdthwincbhdinalczfadfgDabadfIdbgoaDIdbgrarao9EEUdbaladfgDaoaDIdbgrarao9DEUdbadclfgdcx9hmbkabawfhbaicefgiae9hmbkalIdwalIdK:thralIdlalIdC:thoalIdbalIdz:thvkavJbbbb:xgvaoaoav9DEgoararao9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcifc98GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;Leeeudndna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+	var wasm = 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fhKaEcufgEmbkka8JcwfhKdndndndna3aAfgLRbbc9: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:cjjjbkdnaPTmbaPa8Z:rUdbkasyd2gzcdtascxffc98fhXdninazTmeaXydbcbyd;S1jjbH:bjjjbbaXc98fhXazcufhzxbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk:2ldouv998Jjjjjbca9RglcFFF;7rBd3al9cFFF;7;3FF:;Fb83dCalcFFF97Bdzal9cFFF;7FFF:;u83dwdnadTmbaicd4hvdnabTmbavcdthocbhraehwinabarcx2fgiaearav2cdtfgDIdbUdbaiaDIdlUdlaiaDIdwUdwcbhiinalcCfaifgDawaifIdbgqaDIdbgkakaq9EEUdbalcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkawaofhwarcefgrad9hmbxdkkavcdthrcbhwincbhiinalcCfaifgDaeaifIdbgqaDIdbgkakaq9EEUdbalcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkaearfheawcefgwad9hmbkkdnabTmbadTmbJbbbbJbbjZJbbbbalIdwalIdCgk:tgqaqJbbbb9DEgqalIdxalIdKgx:tgmamaq9DEgqalIdzalId3gm:tgPaPaq9DEgq:vaqJbbbb9BEhqinabaqabIdbak:tNUdbabclfgiaqaiIdbax:tNUdbabcwfgiaqaiIdbam:tNUdbabcxfhbadcufgdmbkkk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;0Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;O1jjbHjjjjbbgqBdxawceBd2aqaeadaiz:djjjbawcuadcdtadcFFFFi0Egkcbyd;O1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;O1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;O1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;O1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;O1jjbHjjjjbbgeBdaawcoBd2awaicbyd;O1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;S1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabc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
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 

From 95de74ad7fe605f8ba1ef9c0c3728b55179844d7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 24 May 2024 16:56:05 -0700
Subject: [PATCH 081/581] Update WASI SDK for GHA CI to 22 (clang 18)

---
 .github/workflows/build.yml   | 2 +-
 .github/workflows/release.yml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 27b8cc19d2..6f2af0b63f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -106,7 +106,7 @@ jobs:
         curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sysroot-$VERSION.0.tar.gz | tar xz -C wasi-sdk-$VERSION.0/share
         mv wasi-sdk-$VERSION.0 wasi-sdk
       env:
-        VERSION: 20
+        VERSION: 22
     - name: build
       run: |
         make -j2 -B WASI_SDK=wasi-sdk gltf/library.wasm js
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fff7e67944..0622f571e1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -50,7 +50,7 @@ jobs:
         curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sysroot-$VERSION.0.tar.gz | tar xz -C wasi-sdk-$VERSION.0/share
         mv wasi-sdk-$VERSION.0 wasi-sdk
       env:
-        VERSION: 20
+        VERSION: 22
     - name: build
       run: |
         make -j2 -B WASI_SDK=wasi-sdk gltf/library.wasm js

From bafbb0c10087e78e1be94314d59037946f612fdc Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 25 May 2024 14:49:38 -0700
Subject: [PATCH 082/581] extern: Improve EXT_mesh_gpu_instancing validation in
 cgltf

With this change we validate that instanced meshes have a mesh, have
attributes and that all attributes agree on the number of elements.

This makes sure that using the instancing data is less error prone and
is unlikely to lead to memory safety issues. The same change was
submitted upstream: https://github.com/jkuhlmann/cgltf/pull/252
---
 extern/cgltf.h | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/extern/cgltf.h b/extern/cgltf.h
index 17dc0ca5d2..ac392aba43 100644
--- a/extern/cgltf.h
+++ b/extern/cgltf.h
@@ -1697,7 +1697,20 @@ cgltf_result cgltf_validate(cgltf_data* data)
 	{
 		if (data->nodes[i].weights && data->nodes[i].mesh)
 		{
-			CGLTF_ASSERT_IF (data->nodes[i].mesh->primitives_count && data->nodes[i].mesh->primitives[0].targets_count != data->nodes[i].weights_count, cgltf_result_invalid_gltf);
+			CGLTF_ASSERT_IF(data->nodes[i].mesh->primitives_count && data->nodes[i].mesh->primitives[0].targets_count != data->nodes[i].weights_count, cgltf_result_invalid_gltf);
+		}
+
+		if (data->nodes[i].has_mesh_gpu_instancing)
+		{
+			CGLTF_ASSERT_IF(data->nodes[i].mesh == NULL, cgltf_result_invalid_gltf);
+			CGLTF_ASSERT_IF(data->nodes[i].mesh_gpu_instancing.attributes_count == 0, cgltf_result_invalid_gltf);
+
+			cgltf_accessor* first = data->nodes[i].mesh_gpu_instancing.attributes[0].data;
+
+			for (cgltf_size k = 0; k < data->nodes[i].mesh_gpu_instancing.attributes_count; ++k)
+			{
+				CGLTF_ASSERT_IF(data->nodes[i].mesh_gpu_instancing.attributes[k].data->count != first->count, cgltf_result_invalid_gltf);
+			}
 		}
 	}
 

From f7ec441e85f2f4cf11fad823cacd4c97d3e280c1 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 26 May 2024 15:02:26 -0700
Subject: [PATCH 083/581] gltfpack: Relax node/instance processing rules

Previously, we had an invariant where a mesh had either nodes but no
instances, instances but no nodes, or nothing (in which case it was
treated as root-attached). We now relax the processing to allow meshes
to have both nodes and instances.

When instances are specified, we still rely on mesh.scene, so instances
are implicitly scoped to a single scene root (and also can't be animated
via their node ancestors).
---
 gltf/gltfpack.cpp | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 2db6eff776..dee7a930a1 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -281,7 +281,10 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	for (size_t i = 0; i < meshes.size(); ++i)
 	{
 		Mesh& mesh = meshes[i];
-		assert(mesh.instances.empty());
+
+		// mesh is already instanced, skip
+		if (!mesh.instances.empty())
+			continue;
 
 		// mesh is already world space, skip
 		if (mesh.nodes.empty())
@@ -664,9 +667,6 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 
 		append(json_meshes, "}");
 
-		assert(mesh.nodes.empty() || mesh.instances.empty());
-		ext_instancing = ext_instancing || !mesh.instances.empty();
-
 		if (mesh.nodes.size())
 		{
 			for (size_t j = 0; j < mesh.nodes.size(); ++j)
@@ -691,7 +691,8 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 				}
 			}
 		}
-		else if (mesh.instances.size())
+
+		if (mesh.instances.size())
 		{
 			assert(mesh.scene >= 0);
 			comma(json_roots[mesh.scene]);
@@ -704,7 +705,8 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 
 			node_offset++;
 		}
-		else
+
+		if (mesh.nodes.empty() && mesh.instances.empty())
 		{
 			assert(mesh.scene >= 0);
 			comma(json_roots[mesh.scene]);
@@ -716,6 +718,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		}
 
 		mesh_offset++;
+		ext_instancing = ext_instancing || !mesh.instances.empty();
 
 		// skip all meshes that we've written in this iteration
 		assert(pi > i);

From 64614f1478c99526e78f7a94ae673354d26fb1eb Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 26 May 2024 15:04:06 -0700
Subject: [PATCH 084/581] gltfpack: Parse EXT_mesh_gpu_instancing extension
 into mesh instances

When -mi is not specified but the input scene has instancing extension,
we convert the instances to the internal world-space transform
representation, which can then be serialized using our existing code.

Note that instances are not attached to nodes in the internal
representation; animation and scene data is thus silently discarded for
now. This is not ideal but is not trivial to change as it would require
reworking other parts of the processing pipeline.
---
 gltf/parsegltf.cpp | 70 ++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 65 insertions(+), 5 deletions(-)

diff --git a/gltf/parsegltf.cpp b/gltf/parsegltf.cpp
index 91f0c020fd..90694d987f 100644
--- a/gltf/parsegltf.cpp
+++ b/gltf/parsegltf.cpp
@@ -275,6 +275,61 @@ static void parseMeshesGltf(cgltf_data* data, std::vector<Mesh>& meshes, std::ve
 	}
 }
 
+static void parseMeshInstancesGltf(cgltf_data* data, std::vector<Transform>& instances, cgltf_node* node)
+{
+	cgltf_accessor* translation = NULL;
+	cgltf_accessor* rotation = NULL;
+	cgltf_accessor* scale = NULL;
+
+	for (size_t i = 0; i < node->mesh_gpu_instancing.attributes_count; ++i)
+	{
+		cgltf_attribute& attr = node->mesh_gpu_instancing.attributes[i];
+
+		if (strcmp(attr.name, "TRANSLATION") == 0 && attr.data->type == cgltf_type_vec3)
+			translation = attr.data;
+		else if (strcmp(attr.name, "ROTATION") == 0 && attr.data->type == cgltf_type_vec4)
+			rotation = attr.data;
+		else if (strcmp(attr.name, "SCALE") == 0 && attr.data->type == cgltf_type_vec3)
+			scale = attr.data;
+	}
+
+	size_t count = translation ? translation->count : (rotation ? rotation->count : (scale ? scale->count : 0));
+
+	// todo move to cgltf?
+	if (count == 0 || (translation && translation->count != count) || (rotation && rotation->count != count) || (scale && scale->count != count))
+	{
+		fprintf(stderr, "Warning: ignoring instancing data in node %d as no transforms are present\n", int(node - data->nodes));
+		return;
+	}
+
+	instances.reserve(instances.size() + count);
+
+	cgltf_node instance = {};
+	instance.parent = node;
+	instance.has_translation = translation != NULL;
+	instance.has_rotation = rotation != NULL;
+	instance.has_scale = scale != NULL;
+	instance.rotation[3] = 1.f;
+	instance.scale[0] = 1.f;
+	instance.scale[1] = 1.f;
+	instance.scale[2] = 1.f;
+
+	for (size_t i = 0; i < count; ++i)
+	{
+		if (translation)
+			cgltf_accessor_read_float(translation, i, instance.translation, sizeof(float));
+		if (rotation)
+			cgltf_accessor_read_float(rotation, i, instance.rotation, sizeof(float));
+		if (scale)
+			cgltf_accessor_read_float(scale, i, instance.scale, sizeof(float));
+
+		Transform xf;
+		cgltf_node_transform_world(&instance, xf.data);
+
+		instances.push_back(xf);
+	}
+}
+
 static void parseMeshNodesGltf(cgltf_data* data, std::vector<Mesh>& meshes, const std::vector<std::pair<size_t, size_t> >& mesh_remap)
 {
 	for (size_t i = 0; i < data->nodes_count; ++i)
@@ -289,7 +344,7 @@ static void parseMeshNodesGltf(cgltf_data* data, std::vector<Mesh>& meshes, cons
 		{
 			Mesh* mesh = &meshes[mi];
 
-			if (!mesh->nodes.empty() && mesh->skin != node.skin)
+			if (mesh->skin != node.skin && (!mesh->nodes.empty() || !mesh->instances.empty()))
 			{
 				// this should be extremely rare - if the same mesh is used with different skins, we need to duplicate it
 				// in this case we don't spend any effort on keeping the number of duplicates to the minimum, because this
@@ -298,8 +353,15 @@ static void parseMeshNodesGltf(cgltf_data* data, std::vector<Mesh>& meshes, cons
 				mesh = &meshes.back();
 			}
 
-			mesh->nodes.push_back(&node);
 			mesh->skin = node.skin;
+
+			if (node.has_mesh_gpu_instancing)
+			{
+				mesh->scene = 0; // TODO
+				parseMeshInstancesGltf(data, mesh->instances, &node);
+			}
+			else
+				mesh->nodes.push_back(&node);
 		}
 	}
 
@@ -308,7 +370,7 @@ static void parseMeshNodesGltf(cgltf_data* data, std::vector<Mesh>& meshes, cons
 		Mesh& mesh = meshes[i];
 
 		// because the rest of gltfpack assumes that empty nodes array = world-space mesh, we need to filter unused meshes
-		if (mesh.nodes.empty())
+		if (mesh.nodes.empty() && mesh.instances.empty())
 		{
 			mesh.streams.clear();
 			mesh.indices.clear();
@@ -530,8 +592,6 @@ static cgltf_data* parseGltf(cgltf_data* data, cgltf_result result, std::vector<
 		*error = getError(result, data);
 	else if (requiresExtension(data, "KHR_draco_mesh_compression"))
 		*error = "file requires Draco mesh compression support";
-	else if (requiresExtension(data, "EXT_mesh_gpu_instancing"))
-		*error = "file requires mesh instancing support";
 	else if (needsDummyBuffers(data))
 		*error = "buffer has no data";
 

From f4f453c71f1526ac64a4cafa93cb8ded15e4aa96 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 26 May 2024 15:09:08 -0700
Subject: [PATCH 085/581] gltfpack: Simplify instance count calculation

Since cgltf guarantees that all attributes will have the same count, we
can simply use the first accessor.
---
 gltf/parsegltf.cpp | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/gltf/parsegltf.cpp b/gltf/parsegltf.cpp
index 90694d987f..99f9c22afd 100644
--- a/gltf/parsegltf.cpp
+++ b/gltf/parsegltf.cpp
@@ -275,7 +275,7 @@ static void parseMeshesGltf(cgltf_data* data, std::vector<Mesh>& meshes, std::ve
 	}
 }
 
-static void parseMeshInstancesGltf(cgltf_data* data, std::vector<Transform>& instances, cgltf_node* node)
+static void parseMeshInstancesGltf(std::vector<Transform>& instances, cgltf_node* node)
 {
 	cgltf_accessor* translation = NULL;
 	cgltf_accessor* rotation = NULL;
@@ -293,14 +293,7 @@ static void parseMeshInstancesGltf(cgltf_data* data, std::vector<Transform>& ins
 			scale = attr.data;
 	}
 
-	size_t count = translation ? translation->count : (rotation ? rotation->count : (scale ? scale->count : 0));
-
-	// todo move to cgltf?
-	if (count == 0 || (translation && translation->count != count) || (rotation && rotation->count != count) || (scale && scale->count != count))
-	{
-		fprintf(stderr, "Warning: ignoring instancing data in node %d as no transforms are present\n", int(node - data->nodes));
-		return;
-	}
+	size_t count = node->mesh_gpu_instancing.attributes[0].data->count;
 
 	instances.reserve(instances.size() + count);
 
@@ -358,7 +351,7 @@ static void parseMeshNodesGltf(cgltf_data* data, std::vector<Mesh>& meshes, cons
 			if (node.has_mesh_gpu_instancing)
 			{
 				mesh->scene = 0; // TODO
-				parseMeshInstancesGltf(data, mesh->instances, &node);
+				parseMeshInstancesGltf(mesh->instances, &node);
 			}
 			else
 				mesh->nodes.push_back(&node);

From bc4ab587e5ad37033ce1c43f6223573f81b2f6dc Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 26 May 2024 15:14:39 -0700
Subject: [PATCH 086/581] gltf: Update README.md

Add EXT_mesh_gpu_instancing support for input files.
---
 gltf/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gltf/README.md b/gltf/README.md
index a6be164051..ffe6d1e12f 100644
--- a/gltf/README.md
+++ b/gltf/README.md
@@ -83,6 +83,7 @@ gltfpack supports most Khronos extensions and some multi-vendor extensions in th
 - KHR_mesh_quantization
 - KHR_texture_basisu
 - KHR_texture_transform
+- EXT_mesh_gpu_instancing
 - EXT_meshopt_compression
 
 Even if the source file does not use extensions, gltfpack may use some extensions in the output file either by default or when certain options are used:

From 3c08b842b5763759e4d1762318ed47c456c6e43c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 27 May 2024 00:53:01 -0700
Subject: [PATCH 087/581] gltfpack: Preserve mesh attributes if the texture
 exists with no image

There are some cases when the texture refers to a NULL image, eg when an
unknown image extension is used such as EXT_texture_webp. In this case
we used to remove UV coordinates which triggered excessive validation
errors; we now preserve UV coordinates even though the texture object
is not fully serialized/processed.
---
 gltf/material.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/gltf/material.cpp b/gltf/material.cpp
index 8d017a1871..a6e861f7d9 100644
--- a/gltf/material.cpp
+++ b/gltf/material.cpp
@@ -457,14 +457,17 @@ static void analyzeMaterialTexture(const cgltf_texture_view& view, TextureKind k
 	mi.usesTextureTransform |= hasValidTransform(view);
 
 	if (view.texture)
+	{
 		textures[view.texture - data->textures].keep = true;
 
+		mi.textureSetMask |= 1u << view.texcoord;
+		mi.needsTangents |= (kind == TextureKind_Normal);
+	}
+
 	if (const cgltf_image* image = getTextureImage(view.texture))
 	{
 		ImageInfo& info = images[image - data->images];
 
-		mi.textureSetMask |= 1u << view.texcoord;
-		mi.needsTangents |= (kind == TextureKind_Normal);
 
 		if (info.kind == TextureKind_Generic)
 			info.kind = kind;

From 52e7e9e9043ab9c81cd118bf190cfd1aa6d5d5ff Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 27 May 2024 09:24:31 -0700
Subject: [PATCH 088/581] Update glTF-Sample-Assets paths

We should be able to work with the KTX files that are part of the
repository, but DiffuseTransmissionPlant is still broken due to the use
of webp mime type so it will need to be disabled for now.
---
 .github/workflows/build.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6f2af0b63f..16c42a30f8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -84,7 +84,7 @@ jobs:
     - name: test
       run: find glTF-Sample-Assets -name *.gltf -or -name *.glb | xargs -d '\n' ./gltfpack -cc -test
     - name: pack
-      run: find glTF-Sample-Assets -name *.gltf | grep -v 'glTF-Draco\|glTF-KTX' | xargs -d '\n' -I '{}' ./gltfpack -i '{}' -o '{}pack.gltf'
+      run: find glTF-Sample-Assets -name *.gltf | grep -v 'glTF-Draco\|DiffuseTransmissionPlant' | xargs -d '\n' -I '{}' ./gltfpack -i '{}' -o '{}pack.gltf'
     - name: validate
       run: |
         curl -sL $VALIDATOR | tar xJ

From 4b63c99f62dcf6d187e90b8b9629a479dc2a02d3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 27 May 2024 09:41:01 -0700
Subject: [PATCH 089/581] gltfpack: Slightly refactor instance processing

There's no need to assign skin for instanced meshes as it must be NULL.
---
 gltf/parsegltf.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/gltf/parsegltf.cpp b/gltf/parsegltf.cpp
index 99f9c22afd..783dd245d7 100644
--- a/gltf/parsegltf.cpp
+++ b/gltf/parsegltf.cpp
@@ -346,15 +346,16 @@ static void parseMeshNodesGltf(cgltf_data* data, std::vector<Mesh>& meshes, cons
 				mesh = &meshes.back();
 			}
 
-			mesh->skin = node.skin;
-
 			if (node.has_mesh_gpu_instancing)
 			{
-				mesh->scene = 0; // TODO
+				mesh->scene = 0; // TODO: we need to assign scene index since instances are attached to a scene; for now we assume 0
 				parseMeshInstancesGltf(mesh->instances, &node);
 			}
 			else
+			{
+				mesh->skin = node.skin;
 				mesh->nodes.push_back(&node);
+			}
 		}
 	}
 

From 2f820c23dd68cab53ddd16d6d7e6d099bf72a454 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 27 May 2024 09:44:11 -0700
Subject: [PATCH 090/581] gltfpack: Warn when EXT_mesh_gpu_instancing is used
 with multiple scenes

Since we attach instances to scene 0, this only works when there's only
one scene. Note that fully correct processing would need to implement
multi-scene instancing in data structures, as a mesh doesn't always have
a consistent scene index.
---
 gltf/parsegltf.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gltf/parsegltf.cpp b/gltf/parsegltf.cpp
index 783dd245d7..f83356b70e 100644
--- a/gltf/parsegltf.cpp
+++ b/gltf/parsegltf.cpp
@@ -348,7 +348,7 @@ static void parseMeshNodesGltf(cgltf_data* data, std::vector<Mesh>& meshes, cons
 
 			if (node.has_mesh_gpu_instancing)
 			{
-				mesh->scene = 0; // TODO: we need to assign scene index since instances are attached to a scene; for now we assume 0
+				mesh->scene = 0; // we need to assign scene index since instances are attached to a scene; for now we assume 0
 				parseMeshInstancesGltf(mesh->instances, &node);
 			}
 			else
@@ -597,6 +597,8 @@ static cgltf_data* parseGltf(cgltf_data* data, cgltf_result result, std::vector<
 
 	if (requiresExtension(data, "KHR_mesh_quantization"))
 		fprintf(stderr, "Warning: file uses quantized geometry; repacking may result in increased quantization error\n");
+	if (requiresExtension(data, "EXT_mesh_gpu_instancing") && data->scenes_count > 1)
+		fprintf(stderr, "Warning: file uses instancing and has more than one scene; results may be incorrect\n");
 
 	std::vector<std::pair<size_t, size_t> > mesh_remap;
 

From 69294a6651e6254a86db45b0d8126198fe5ca501 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 29 May 2024 17:04:12 -0700
Subject: [PATCH 091/581] gltfpack: Unify QuantizationPosition node_scale
 computation

Instead of recomputing node_scale in every place where
QuantizationPosition is used, compute it once and store it in the
struct. This ensures that all computations are using the same value.
---
 gltf/gltfpack.h |  2 ++
 gltf/stream.cpp |  2 ++
 gltf/write.cpp  | 27 +++++++++------------------
 3 files changed, 13 insertions(+), 18 deletions(-)

diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 0af349536a..cdcbdc64eb 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -170,6 +170,8 @@ struct QuantizationPosition
 	float scale;
 	int bits;
 	bool normalized;
+
+	float node_scale; // computed from scale/bits/normalized
 };
 
 struct QuantizationTexture
diff --git a/gltf/stream.cpp b/gltf/stream.cpp
index b5bc1955e0..57a175b190 100644
--- a/gltf/stream.cpp
+++ b/gltf/stream.cpp
@@ -97,6 +97,8 @@ QuantizationPosition prepareQuantizationPosition(const std::vector<Mesh>& meshes
 		result.scale = std::max(b.max.f[0] - b.min.f[0], std::max(b.max.f[1] - b.min.f[1], b.max.f[2] - b.min.f[2]));
 	}
 
+	result.node_scale = result.scale / float((1 << result.bits) - 1) * (result.normalized ? 65535.f : 1.f);
+
 	return result;
 }
 
diff --git a/gltf/write.cpp b/gltf/write.cpp
index abcae6d42c..9b1fc4c321 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -471,11 +471,9 @@ static void writeMaterialComponent(std::string& json, const cgltf_data* data, co
 	if (tm.thickness_factor != 0)
 	{
 		// thickness is in mesh coordinate space which is rescaled by quantization
-		float node_scale = qp ? qp->scale / float((1 << qp->bits) - 1) * (qp->normalized ? 65535.f : 1.f) : 1.f;
-
 		comma(json);
 		append(json, "\"thicknessFactor\":");
-		append(json, tm.thickness_factor / node_scale);
+		append(json, tm.thickness_factor / (qp ? qp->node_scale : 1.f));
 	}
 	if (memcmp(tm.attenuation_color, white, 12) != 0)
 	{
@@ -1097,8 +1095,6 @@ size_t writeJointBindMatrices(std::vector<BufferView>& views, std::string& json_
 
 		if (settings.quantize && !settings.pos_float)
 		{
-			float node_scale = qp.scale / float((1 << qp.bits) - 1) * (qp.normalized ? 65535.f : 1.f);
-
 			// pos_offset has to be applied first, thus it results in an offset rotated by the bind matrix
 			transform[12] += qp.offset[0] * transform[0] + qp.offset[1] * transform[4] + qp.offset[2] * transform[8];
 			transform[13] += qp.offset[0] * transform[1] + qp.offset[1] * transform[5] + qp.offset[2] * transform[9];
@@ -1106,7 +1102,7 @@ size_t writeJointBindMatrices(std::vector<BufferView>& views, std::string& json_
 
 			// node_scale will be applied before the rotation/scale from transform
 			for (int k = 0; k < 12; ++k)
-				transform[k] *= node_scale;
+				transform[k] *= qp.node_scale;
 		}
 
 		scratch.append(reinterpret_cast<const char*>(transform), sizeof(transform));
@@ -1156,17 +1152,15 @@ size_t writeInstances(std::vector<BufferView>& views, std::string& json_accessor
 		{
 			const float* transform = transforms[i].data;
 
-			float node_scale = qp.scale / float((1 << qp.bits) - 1) * (qp.normalized ? 65535.f : 1.f);
-
 			// pos_offset has to be applied first, thus it results in an offset rotated by the instance matrix
 			position[i].f[0] += qp.offset[0] * transform[0] + qp.offset[1] * transform[4] + qp.offset[2] * transform[8];
 			position[i].f[1] += qp.offset[0] * transform[1] + qp.offset[1] * transform[5] + qp.offset[2] * transform[9];
 			position[i].f[2] += qp.offset[0] * transform[2] + qp.offset[1] * transform[6] + qp.offset[2] * transform[10];
 
 			// node_scale will be applied before the rotation/scale from transform
-			scale[i].f[0] *= node_scale;
-			scale[i].f[1] *= node_scale;
-			scale[i].f[2] *= node_scale;
+			scale[i].f[0] *= qp.node_scale;
+			scale[i].f[1] *= qp.node_scale;
+			scale[i].f[2] *= qp.node_scale;
 		}
 	}
 
@@ -1186,14 +1180,11 @@ void writeMeshNode(std::string& json, size_t mesh_offset, cgltf_node* node, cglt
 	append(json, mesh_offset);
 	if (skin)
 	{
-		comma(json);
-		append(json, "\"skin\":");
+		append(json, ",\"skin\":");
 		append(json, size_t(skin - data->skins));
 	}
 	if (qp)
 	{
-		float node_scale = qp->scale / float((1 << qp->bits) - 1) * (qp->normalized ? 65535.f : 1.f);
-
 		append(json, ",\"translation\":[");
 		append(json, qp->offset[0]);
 		append(json, ",");
@@ -1201,11 +1192,11 @@ void writeMeshNode(std::string& json, size_t mesh_offset, cgltf_node* node, cglt
 		append(json, ",");
 		append(json, qp->offset[2]);
 		append(json, "],\"scale\":[");
-		append(json, node_scale);
+		append(json, qp->node_scale);
 		append(json, ",");
-		append(json, node_scale);
+		append(json, qp->node_scale);
 		append(json, ",");
-		append(json, node_scale);
+		append(json, qp->node_scale);
 		append(json, "]");
 	}
 	if (node && node->weights_count)

From 6616d595411c65b998ceb9f3e4a06ab8a8df6266 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 29 May 2024 17:08:46 -0700
Subject: [PATCH 092/581] gltfpack: Attach meshes directly to nodes when
 quantization is a no-op

If the input model is already quantized with the same settings wrt
position encoding, then the computed quantization parameters result in a
no-op transform (offset 0, scale 1). However, repeat invocations of
gltfpack will each add one extra node with a no-op transform. With this
change, if we can afford to attach the mesh directly we will do so.

Note that in the future, we could also merge node transforms via the
hierarchy, but that should be a separate optional optimization as it can
interfere with application processing logic.
---
 gltf/gltfpack.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index dee7a930a1..5205a584fc 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -675,7 +675,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 				assert(ni.keep);
 
 				// if we don't use position quantization, prefer attaching the mesh to its node directly
-				if (!ni.has_mesh && (!settings.quantize || settings.pos_float))
+				if (!ni.has_mesh && (!settings.quantize || settings.pos_float || (qp.offset[0] == 0.f && qp.offset[1] == 0.f && qp.offset[2] == 0 && qp.node_scale == 1.f)))
 				{
 					ni.has_mesh = true;
 					ni.mesh_index = mesh_offset;

From 62532239a205440245be15e06d4c0720f965cdd4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 30 May 2024 09:02:41 -0700
Subject: [PATCH 093/581] Update bug_report.md

I'm really not sure how to change the wording at this point but maybe this will help.
---
 .github/ISSUE_TEMPLATE/bug_report.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
index ab8ecead55..6949faaec8 100644
--- a/.github/ISSUE_TEMPLATE/bug_report.md
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -1,6 +1,6 @@
 ---
 name: Bug report
-about: Create a report if you believe you've found a bug in this project; please use GitHub Discussions instead if you think the bug may be in your code.
+about: Create a report if you've found a bug in this project; please use GitHub Discussions instead if you are uncertain or the bug may be in your code.
 title: ''
 labels: bug
 assignees: ''

From c0e7ed0215ed24d0a0742014c91c98a5fa94639c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 30 May 2024 09:03:01 -0700
Subject: [PATCH 094/581] Update feature_request.md

Add a missing dot.
---
 .github/ISSUE_TEMPLATE/feature_request.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md
index 910caa9d10..1dbda009db 100644
--- a/.github/ISSUE_TEMPLATE/feature_request.md
+++ b/.github/ISSUE_TEMPLATE/feature_request.md
@@ -1,6 +1,6 @@
 ---
 name: Feature request
-about: Suggest a feature for this project; please use GitHub Discussions if your idea is not sufficiently concrete
+about: Suggest a feature for this project; please use GitHub Discussions if your idea is not sufficiently concrete.
 title: ''
 labels: enhancement
 assignees: ''

From c9fd0916d56d86fe8bec2803d7b8b0ddcff6ad1a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 3 Jun 2024 15:01:23 -0700
Subject: [PATCH 095/581] Update GHA CI to remove DiffuseTransmissionPlant
 exclusion

We no longer need this since the asset was fixed to use PNG.
---
 .github/workflows/build.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 16c42a30f8..1f23671fbc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -84,7 +84,7 @@ jobs:
     - name: test
       run: find glTF-Sample-Assets -name *.gltf -or -name *.glb | xargs -d '\n' ./gltfpack -cc -test
     - name: pack
-      run: find glTF-Sample-Assets -name *.gltf | grep -v 'glTF-Draco\|DiffuseTransmissionPlant' | xargs -d '\n' -I '{}' ./gltfpack -i '{}' -o '{}pack.gltf'
+      run: find glTF-Sample-Assets -name *.gltf | grep -v 'glTF-Draco' | xargs -d '\n' -I '{}' ./gltfpack -i '{}' -o '{}pack.gltf'
     - name: validate
       run: |
         curl -sL $VALIDATOR | tar xJ

From 8d8d60ed91a65aaefdf9160065505c56155efca8 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 4 Jun 2024 16:26:48 -0700
Subject: [PATCH 096/581] extern: Update to fast_obj 1.3

fast_obj 1.3 makes a change to internal data structures to use indexed
texture objects; in this change we blindly rework the code to index the
new textures[] array; this will be reworked in a subsequent change to
directly use the underlying indexing to do obj->gltf mapping.
---
 extern/fast_obj.h | 113 +++++++++++++++++++++++++++-------------------
 gltf/parseobj.cpp |  14 +++---
 2 files changed, 74 insertions(+), 53 deletions(-)

diff --git a/extern/fast_obj.h b/extern/fast_obj.h
index c57522b314..41cce80f74 100644
--- a/extern/fast_obj.h
+++ b/extern/fast_obj.h
@@ -1,7 +1,7 @@
 /*
  * fast_obj
  *
- * Version 1.2
+ * Version 1.3
  *
  * MIT License
  *
@@ -31,7 +31,7 @@
 #define FAST_OBJ_HDR
 
 #define FAST_OBJ_VERSION_MAJOR  1
-#define FAST_OBJ_VERSION_MINOR  2
+#define FAST_OBJ_VERSION_MINOR  3
 #define FAST_OBJ_VERSION        ((FAST_OBJ_VERSION_MAJOR << 8) | FAST_OBJ_VERSION_MINOR)
 
 #include <stdlib.h>
@@ -68,16 +68,16 @@ typedef struct
     /* Set for materials that don't come from the associated mtllib */
     int                         fallback;
 
-    /* Texture maps */
-    fastObjTexture              map_Ka;
-    fastObjTexture              map_Kd;
-    fastObjTexture              map_Ks;
-    fastObjTexture              map_Ke;
-    fastObjTexture              map_Kt;
-    fastObjTexture              map_Ns;
-    fastObjTexture              map_Ni;
-    fastObjTexture              map_d;
-    fastObjTexture              map_bump;
+    /* Texture map indices in fastObjMesh textures array */
+    unsigned int                map_Ka;
+    unsigned int                map_Kd;
+    unsigned int                map_Ks;
+    unsigned int                map_Ke;
+    unsigned int                map_Kt;
+    unsigned int                map_Ns;
+    unsigned int                map_Ni;
+    unsigned int                map_d;
+    unsigned int                map_bump;
 
 } fastObjMaterial;
 
@@ -114,6 +114,10 @@ typedef struct
 } fastObjGroup;
 
 
+/* Note: a dummy zero-initialized value is added to the first index
+   of the positions, texcoords, normals and textures arrays. Hence,
+   valid indices into these arrays start from 1, with an index of 0
+   indicating that the attribute is not present. */
 typedef struct
 {
     /* Vertex data */
@@ -142,6 +146,10 @@ typedef struct
     unsigned int                material_count;
     fastObjMaterial*            materials;
 
+    /* Texture maps */
+    unsigned int                texture_count;
+    fastObjTexture*             textures;
+
     /* Mesh objects ('o' tag in .obj file) */
     unsigned int                object_count;
     fastObjGroup*               objects;
@@ -326,7 +334,7 @@ unsigned long file_size(void* file, void* user_data)
     long p;
     long n;
     (void)(user_data);
-    
+
     f = (FILE*)(file);
 
     p = ftell(f);
@@ -760,8 +768,10 @@ const char* parse_face(fastObjData* data, const char* ptr)
 
         if (v < 0)
             vn.p = (array_size(data->mesh->positions) / 3) - (fastObjUInt)(-v);
-        else
+        else if (v > 0)
             vn.p = (fastObjUInt)(v);
+        else
+            return ptr; /* Skip lines with no valid vertex index */
 
         if (t < 0)
             vn.t = (array_size(data->mesh->texcoords) / 2) - (fastObjUInt)(-t);
@@ -877,15 +887,15 @@ fastObjMaterial mtl_default(void)
 
     mtl.fallback = 0;
 
-    mtl.map_Ka   = map_default();
-    mtl.map_Kd   = map_default();
-    mtl.map_Ks   = map_default();
-    mtl.map_Ke   = map_default();
-    mtl.map_Kt   = map_default();
-    mtl.map_Ns   = map_default();
-    mtl.map_Ni   = map_default();
-    mtl.map_d    = map_default();
-    mtl.map_bump = map_default();
+    mtl.map_Ka   = 0;
+    mtl.map_Kd   = 0;
+    mtl.map_Ks   = 0;
+    mtl.map_Ke   = 0;
+    mtl.map_Kt   = 0;
+    mtl.map_Ns   = 0;
+    mtl.map_Ni   = 0;
+    mtl.map_d    = 0;
+    mtl.map_bump = 0;
 
     return mtl;
 }
@@ -918,8 +928,8 @@ const char* parse_usemtl(fastObjData* data, const char* ptr)
         idx++;
     }
 
-    /* If doesn't exists, create a default one with this name
-    Note: this case happens when OBJ doesn't have its MTL */
+    /* If doesn't exist, create a default one with this name
+       Note: this case happens when OBJ doesn't have its MTL */
     if (idx == array_size(data->mesh->materials))
     {
         fastObjMaterial new_mtl = mtl_default();
@@ -945,16 +955,6 @@ void map_clean(fastObjTexture* map)
 static
 void mtl_clean(fastObjMaterial* mtl)
 {
-    map_clean(&mtl->map_Ka);
-    map_clean(&mtl->map_Kd);
-    map_clean(&mtl->map_Ks);
-    map_clean(&mtl->map_Ke);
-    map_clean(&mtl->map_Kt);
-    map_clean(&mtl->map_Ns);
-    map_clean(&mtl->map_Ni);
-    map_clean(&mtl->map_d);
-    map_clean(&mtl->map_bump);
-
     memory_dealloc(mtl->name);
 }
 
@@ -985,12 +985,12 @@ const char* read_mtl_triple(const char* p, float v[3])
 
 
 static
-const char* read_map(fastObjData* data, const char* ptr, fastObjTexture* map)
+const char* read_map(fastObjData* data, const char* ptr, unsigned int* idx)
 {
-    const char* s;
-    const char* e;
-    char*       name;
-    char*       path;
+    const char*     s;
+    const char*     e;
+    fastObjTexture* map;
+
 
     ptr = skip_whitespace(ptr);
 
@@ -1004,13 +1004,26 @@ const char* read_map(fastObjData* data, const char* ptr, fastObjTexture* map)
     ptr = skip_name(ptr);
     e = ptr;
 
-    name = string_copy(s, e);
+    /* Try to find an existing texture map with the same name */
+    *idx = 1; /* skip dummy at index 0 */
+    while (*idx < array_size(data->mesh->textures))
+    {
+        map = &data->mesh->textures[*idx];
+        if (map->name && string_equal(map->name, s, e))
+            break;
 
-    path = string_concat(data->base, s, e);
-    string_fix_separators(path);
+        (*idx)++;
+    }
 
-    map->name = name;
-    map->path = path;
+    /* Add it to the texture array if it didn't already exist */
+    if (*idx == array_size(data->mesh->textures))
+    {
+        fastObjTexture new_map = map_default();
+        new_map.name = string_copy(s, e);
+        new_map.path = string_concat(data->base, s, e);
+        string_fix_separators(new_map.path);
+        array_push(data->mesh->textures, new_map);
+    }
 
     return e;
 }
@@ -1376,6 +1389,9 @@ void fast_obj_destroy(fastObjMesh* m)
     for (ii = 0; ii < array_size(m->materials); ii++)
         mtl_clean(&m->materials[ii]);
 
+    for (ii = 0; ii < array_size(m->textures); ii++)
+        map_clean(&m->textures[ii]);
+
     array_clean(m->positions);
     array_clean(m->texcoords);
     array_clean(m->normals);
@@ -1386,6 +1402,7 @@ void fast_obj_destroy(fastObjMesh* m)
     array_clean(m->objects);
     array_clean(m->groups);
     array_clean(m->materials);
+    array_clean(m->textures);
 
     memory_dealloc(m);
 }
@@ -1439,11 +1456,12 @@ fastObjMesh* fast_obj_read_with_callbacks(const char* path, const fastObjCallbac
     m->face_materials = 0;
     m->indices        = 0;
     m->materials      = 0;
+    m->textures       = 0;
     m->objects        = 0;
     m->groups         = 0;
 
 
-    /* Add dummy position/texcoord/normal */
+    /* Add dummy position/texcoord/normal/texture */
     array_push(m->positions, 0.0f);
     array_push(m->positions, 0.0f);
     array_push(m->positions, 0.0f);
@@ -1455,6 +1473,8 @@ fastObjMesh* fast_obj_read_with_callbacks(const char* path, const fastObjCallbac
     array_push(m->normals, 0.0f);
     array_push(m->normals, 1.0f);
 
+    array_push(m->textures, map_default());
+
 
     /* Data needed during parsing */
     data.mesh     = m;
@@ -1546,6 +1566,7 @@ fastObjMesh* fast_obj_read_with_callbacks(const char* path, const fastObjCallbac
     m->face_count     = array_size(m->face_vertices);
     m->index_count    = array_size(m->indices);
     m->material_count = array_size(m->materials);
+    m->texture_count  = array_size(m->textures);
     m->object_count   = array_size(m->objects);
     m->group_count    = array_size(m->groups);
 
diff --git a/gltf/parseobj.cpp b/gltf/parseobj.cpp
index 7ed713c077..8de9159896 100644
--- a/gltf/parseobj.cpp
+++ b/gltf/parseobj.cpp
@@ -37,8 +37,8 @@ static void parseMaterialsObj(fastObjMesh* obj, cgltf_data* data)
 	{
 		fastObjMaterial& om = obj->materials[mi];
 
-		if (om.map_Kd.name && textureIndex(textures, om.map_Kd.name) < 0)
-			textures.push_back(om.map_Kd.name);
+		if (obj->textures[om.map_Kd].name && textureIndex(textures, obj->textures[om.map_Kd].name) < 0)
+			textures.push_back(obj->textures[om.map_Kd].name);
 	}
 
 	data->images = (cgltf_image*)calloc(textures.size(), sizeof(cgltf_image));
@@ -81,9 +81,9 @@ static void parseMaterialsObj(fastObjMesh* obj, cgltf_data* data)
 
 		gm.alpha_cutoff = 0.5f;
 
-		if (om.map_Kd.name)
+		if (obj->textures[om.map_Kd].name)
 		{
-			gm.pbr_metallic_roughness.base_color_texture.texture = &data->textures[textureIndex(textures, om.map_Kd.name)];
+			gm.pbr_metallic_roughness.base_color_texture.texture = &data->textures[textureIndex(textures, obj->textures[om.map_Kd].name)];
 			gm.pbr_metallic_roughness.base_color_texture.scale = 1.0f;
 
 			gm.alpha_mode = (om.illum == 4 || om.illum == 6 || om.illum == 7 || om.illum == 9) ? cgltf_alpha_mode_mask : cgltf_alpha_mode_opaque;
@@ -95,10 +95,10 @@ static void parseMaterialsObj(fastObjMesh* obj, cgltf_data* data)
 			gm.pbr_metallic_roughness.base_color_factor[2] = om.Kd[2];
 		}
 
-		if (om.map_d.name)
+		if (obj->textures[om.map_d].name)
 		{
-			if (om.map_Kd.name && strcmp(om.map_Kd.name, om.map_d.name) != 0)
-				fprintf(stderr, "Warning: material has different diffuse and alpha textures (Kd: %s, d: %s) and might not render correctly\n", om.map_Kd.name, om.map_d.name);
+			if (obj->textures[om.map_Kd].name && strcmp(obj->textures[om.map_Kd].name, obj->textures[om.map_d].name) != 0)
+				fprintf(stderr, "Warning: material has different diffuse and alpha textures (Kd: %s, d: %s) and might not render correctly\n", obj->textures[om.map_Kd].name, obj->textures[om.map_d].name);
 
 			gm.alpha_mode = cgltf_alpha_mode_blend;
 		}

From d5af1432acc525c4fa2de0908360e299564763ce Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 4 Jun 2024 22:11:41 -0700
Subject: [PATCH 097/581] gltfpack: Simplify texture matching code for .obj

We still can't quite use .obj texture indices directly because we might
end up with a set of unused textures that later parts of pipeline don't
filter out, but we can remove all string operations and just compare
indices instead.
---
 gltf/parseobj.cpp | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/gltf/parseobj.cpp b/gltf/parseobj.cpp
index 8de9159896..a1813366e8 100644
--- a/gltf/parseobj.cpp
+++ b/gltf/parseobj.cpp
@@ -12,7 +12,7 @@ static void defaultFree(void*, void* p)
 	free(p);
 }
 
-static int textureIndex(const std::vector<std::string>& textures, const char* name)
+static int textureIndex(const std::vector<unsigned int>& textures, unsigned int name)
 {
 	for (size_t i = 0; i < textures.size(); ++i)
 		if (textures[i] == name)
@@ -31,14 +31,16 @@ static void fixupUri(char* uri)
 
 static void parseMaterialsObj(fastObjMesh* obj, cgltf_data* data)
 {
-	std::vector<std::string> textures;
+	// every texture in obj has a unique id (1+); we convert it to a 0-based index
+	// this effectively extracts only used textures out of the obj, as we don't remove unused textures later in the processing
+	std::vector<unsigned int> textures;
 
 	for (unsigned int mi = 0; mi < obj->material_count; ++mi)
 	{
 		fastObjMaterial& om = obj->materials[mi];
 
-		if (obj->textures[om.map_Kd].name && textureIndex(textures, obj->textures[om.map_Kd].name) < 0)
-			textures.push_back(obj->textures[om.map_Kd].name);
+		if (om.map_Kd && textureIndex(textures, om.map_Kd) < 0)
+			textures.push_back(om.map_Kd);
 	}
 
 	data->images = (cgltf_image*)calloc(textures.size(), sizeof(cgltf_image));
@@ -46,7 +48,8 @@ static void parseMaterialsObj(fastObjMesh* obj, cgltf_data* data)
 
 	for (size_t i = 0; i < textures.size(); ++i)
 	{
-		data->images[i].uri = strdup(textures[i].c_str());
+		unsigned int id = textures[i];
+		data->images[i].uri = strdup(obj->textures[id].name);
 		fixupUri(data->images[i].uri);
 	}
 
@@ -81,9 +84,9 @@ static void parseMaterialsObj(fastObjMesh* obj, cgltf_data* data)
 
 		gm.alpha_cutoff = 0.5f;
 
-		if (obj->textures[om.map_Kd].name)
+		if (om.map_Kd)
 		{
-			gm.pbr_metallic_roughness.base_color_texture.texture = &data->textures[textureIndex(textures, obj->textures[om.map_Kd].name)];
+			gm.pbr_metallic_roughness.base_color_texture.texture = &data->textures[textureIndex(textures, om.map_Kd)];
 			gm.pbr_metallic_roughness.base_color_texture.scale = 1.0f;
 
 			gm.alpha_mode = (om.illum == 4 || om.illum == 6 || om.illum == 7 || om.illum == 9) ? cgltf_alpha_mode_mask : cgltf_alpha_mode_opaque;
@@ -95,9 +98,9 @@ static void parseMaterialsObj(fastObjMesh* obj, cgltf_data* data)
 			gm.pbr_metallic_roughness.base_color_factor[2] = om.Kd[2];
 		}
 
-		if (obj->textures[om.map_d].name)
+		if (om.map_d)
 		{
-			if (obj->textures[om.map_Kd].name && strcmp(obj->textures[om.map_Kd].name, obj->textures[om.map_d].name) != 0)
+			if (om.map_Kd && strcmp(obj->textures[om.map_Kd].name, obj->textures[om.map_d].name) != 0)
 				fprintf(stderr, "Warning: material has different diffuse and alpha textures (Kd: %s, d: %s) and might not render correctly\n", obj->textures[om.map_Kd].name, obj->textures[om.map_d].name);
 
 			gm.alpha_mode = cgltf_alpha_mode_blend;

From 0d23cb0c289f569205dd0dd7723cf34b7d0669c4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 6 Jun 2024 11:46:27 -0700
Subject: [PATCH 098/581] gltfpack: Fix code style in MaterialInfo

Not sure why this used the wrong field naming convention. Also do a
minor rename in NodeInfo.
---
 gltf/gltfpack.cpp | 8 +++-----
 gltf/gltfpack.h   | 8 ++++----
 gltf/material.cpp | 7 +++----
 gltf/mesh.cpp     | 4 ++--
 gltf/node.cpp     | 4 ++--
 gltf/write.cpp    | 2 +-
 6 files changed, 15 insertions(+), 18 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 5205a584fc..4266642f07 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -364,8 +364,8 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		{
 			MaterialInfo vi = materials[mesh.variants[j].material - data->materials];
 
-			mi.needsTangents |= vi.needsTangents;
-			mi.textureSetMask |= vi.textureSetMask;
+			mi.needs_tangents |= vi.needs_tangents;
+			mi.texture_set_mask |= vi.texture_set_mask;
 			mi.unlit &= vi.unlit;
 		}
 
@@ -547,7 +547,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		ext_anisotropy = ext_anisotropy || material.has_anisotropy;
 		ext_dispersion = ext_dispersion || material.has_dispersion;
 		ext_unlit = ext_unlit || material.unlit;
-		ext_texture_transform = ext_texture_transform || mi.usesTextureTransform;
+		ext_texture_transform = ext_texture_transform || mi.uses_texture_transform;
 	}
 
 	for (size_t i = 0; i < meshes.size(); ++i)
@@ -848,9 +848,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		const char* ext = data->extensions_required[i];
 
 		if (!isExtensionSupported(extensions, sizeof(extensions) / sizeof(extensions[0]), ext))
-		{
 			fprintf(stderr, "Warning: required extension %s is not supported and will be skipped\n", ext);
-		}
 	}
 
 	writeExtensions(json, extensions, sizeof(extensions) / sizeof(extensions[0]));
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index cdcbdc64eb..743a1b4079 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -206,7 +206,7 @@ struct NodeInfo
 	bool keep;
 	bool animated;
 
-	unsigned int animated_paths;
+	unsigned int animated_path_mask;
 
 	int remap;
 
@@ -221,11 +221,11 @@ struct MaterialInfo
 {
 	bool keep;
 
-	bool usesTextureTransform;
-	bool needsTangents;
+	bool uses_texture_transform;
+	bool needs_tangents;
 	bool unlit;
 
-	unsigned int textureSetMask;
+	unsigned int texture_set_mask;
 
 	int remap;
 };
diff --git a/gltf/material.cpp b/gltf/material.cpp
index a6e861f7d9..0931b2e05b 100644
--- a/gltf/material.cpp
+++ b/gltf/material.cpp
@@ -454,21 +454,20 @@ static const cgltf_image* getTextureImage(const cgltf_texture* texture)
 
 static void analyzeMaterialTexture(const cgltf_texture_view& view, TextureKind kind, MaterialInfo& mi, cgltf_data* data, std::vector<TextureInfo>& textures, std::vector<ImageInfo>& images)
 {
-	mi.usesTextureTransform |= hasValidTransform(view);
+	mi.uses_texture_transform |= hasValidTransform(view);
 
 	if (view.texture)
 	{
 		textures[view.texture - data->textures].keep = true;
 
-		mi.textureSetMask |= 1u << view.texcoord;
-		mi.needsTangents |= (kind == TextureKind_Normal);
+		mi.texture_set_mask |= 1u << view.texcoord;
+		mi.needs_tangents |= (kind == TextureKind_Normal);
 	}
 
 	if (const cgltf_image* image = getTextureImage(view.texture))
 	{
 		ImageInfo& info = images[image - data->images];
 
-
 		if (info.kind == TextureKind_Generic)
 			info.kind = kind;
 		else if (info.kind > kind) // this is useful to keep color textures that have attrib data in alpha tagged as color
diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 3f35ce7ba9..e1f3d1a623 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -409,7 +409,7 @@ void filterStreams(Mesh& mesh, const MaterialInfo& mi)
 			morph_tangent = morph_tangent || (stream.type == cgltf_attribute_type_tangent && !isConstant(stream.data, {0, 0, 0, 0}));
 		}
 
-		if (stream.type == cgltf_attribute_type_texcoord && stream.index < 32 && (mi.textureSetMask & (1u << stream.index)) != 0)
+		if (stream.type == cgltf_attribute_type_texcoord && stream.index < 32 && (mi.texture_set_mask & (1u << stream.index)) != 0)
 		{
 			keep_texture_set = std::max(keep_texture_set, stream.index);
 		}
@@ -427,7 +427,7 @@ void filterStreams(Mesh& mesh, const MaterialInfo& mi)
 		if (stream.type == cgltf_attribute_type_normal && mi.unlit)
 			continue;
 
-		if (stream.type == cgltf_attribute_type_tangent && !mi.needsTangents)
+		if (stream.type == cgltf_attribute_type_tangent && !mi.needs_tangents)
 			continue;
 
 		if ((stream.type == cgltf_attribute_type_joints || stream.type == cgltf_attribute_type_weights) && !mesh.skin)
diff --git a/gltf/node.cpp b/gltf/node.cpp
index bfe37274b5..c3da288457 100644
--- a/gltf/node.cpp
+++ b/gltf/node.cpp
@@ -45,7 +45,7 @@ void markAnimated(cgltf_data* data, std::vector<NodeInfo>& nodes, const std::vec
 			{
 				NodeInfo& ni = nodes[track.node - data->nodes];
 
-				ni.animated_paths |= (1 << track.path);
+				ni.animated_path_mask |= (1 << track.path);
 			}
 		}
 	}
@@ -55,7 +55,7 @@ void markAnimated(cgltf_data* data, std::vector<NodeInfo>& nodes, const std::vec
 		NodeInfo& ni = nodes[i];
 
 		for (cgltf_node* node = &data->nodes[i]; node; node = node->parent)
-			ni.animated |= nodes[node - data->nodes].animated_paths != 0;
+			ni.animated |= nodes[node - data->nodes].animated_path_mask != 0;
 	}
 }
 
diff --git a/gltf/write.cpp b/gltf/write.cpp
index 9b1fc4c321..be6a492fff 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -1395,7 +1395,7 @@ void writeAnimation(std::string& json, std::vector<BufferView>& views, std::stri
 		if (!ni.keep)
 			continue;
 
-		if (!settings.anim_const && (ni.animated_paths & (1 << track.path)) == 0)
+		if (!settings.anim_const && (ni.animated_path_mask & (1 << track.path)) == 0)
 			continue;
 
 		tracks.push_back(&track);

From db416fba9ffc4cf201d1f79c1426532ba24c2a7d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 10 Jun 2024 14:46:48 -0700
Subject: [PATCH 099/581] demo: Switch processDev to run simplify

There's no significant work planned on meshlets at this time but there's
some outstanding work on simplify/simplifyAttr.
---
 demo/main.cpp | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index aeb8256994..017b2e0051 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -1245,11 +1245,7 @@ void processDev(const char* path)
 	if (!loadMesh(mesh, path))
 		return;
 
-	Mesh copy = mesh;
-	meshopt_optimizeVertexCache(&copy.indices[0], &copy.indices[0], copy.indices.size(), copy.vertices.size());
-	meshopt_optimizeVertexFetch(&copy.vertices[0], &copy.indices[0], copy.indices.size(), &copy.vertices[0], copy.vertices.size(), sizeof(Vertex));
-
-	meshlets(copy, false);
+	simplify(mesh);
 }
 
 int main(int argc, char** argv)

From d643b0b44f9ac16f8177e0f01fa65955e486010e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 12 Jun 2024 12:08:10 -0700
Subject: [PATCH 100/581] demo: Rework .obj reindexing to use fastObjIndex data

Instead of building a full unindexed vertex buffer, we now build a remap
table using .obj index structure, and fill vertex/index buffers using
this remap.

This approach is already being used by gltfpack so this brings the two
versions in line; it's also often faster. Maybe most importantly though,
this opens up an opportunity to use position indices when .obj file has
no normals/texture coordinates, which would align vertex indices with
.obj file and help debug various algorithms with Blender's help as it
also keeps internal indices aligned with .obj. For now this change
doesn't do it and simply generates a fresh remap.
---
 demo/main.cpp  | 84 +++++++++++++++++++++++++-------------------------
 demo/tests.cpp |  7 ++---
 2 files changed, 45 insertions(+), 46 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 017b2e0051..f3ac62d76f 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -76,66 +76,66 @@ Mesh parseObj(const char* path, double& reindex)
 		return Mesh();
 	}
 
+	reindex = timestamp();
+
 	size_t total_indices = 0;
 
 	for (unsigned int i = 0; i < obj->face_count; ++i)
 		total_indices += 3 * (obj->face_vertices[i] - 2);
 
-	std::vector<Vertex> vertices(total_indices);
+	size_t face_vertex_count = obj->index_count;
+
+	std::vector<unsigned int> remap(face_vertex_count);
+	size_t unique_vertices = meshopt_generateVertexRemap(&remap[0], NULL, face_vertex_count, obj->indices, face_vertex_count, sizeof(fastObjIndex));
+
+	Mesh mesh;
+	mesh.vertices.resize(unique_vertices);
+	mesh.indices.resize(total_indices);
+
+	for (unsigned int vi = 0; vi < face_vertex_count; ++vi)
+	{
+		unsigned int target = remap[vi];
+		// TODO: this fills every target vertex multiple times
+
+		fastObjIndex ii = obj->indices[vi];
+
+		Vertex v = {
+		    obj->positions[ii.p * 3 + 0],
+		    obj->positions[ii.p * 3 + 1],
+		    obj->positions[ii.p * 3 + 2],
+		    obj->normals[ii.n * 3 + 0],
+		    obj->normals[ii.n * 3 + 1],
+		    obj->normals[ii.n * 3 + 2],
+		    obj->texcoords[ii.t * 2 + 0],
+		    obj->texcoords[ii.t * 2 + 1],
+		};
+
+		mesh.vertices[target] = v;
+	}
 
 	size_t vertex_offset = 0;
 	size_t index_offset = 0;
 
-	for (unsigned int i = 0; i < obj->face_count; ++i)
+	for (unsigned int fi = 0; fi < obj->face_count; ++fi)
 	{
-		for (unsigned int j = 0; j < obj->face_vertices[i]; ++j)
-		{
-			fastObjIndex gi = obj->indices[index_offset + j];
+		unsigned int face_vertices = obj->face_vertices[fi];
 
-			Vertex v =
-			    {
-			        obj->positions[gi.p * 3 + 0],
-			        obj->positions[gi.p * 3 + 1],
-			        obj->positions[gi.p * 3 + 2],
-			        obj->normals[gi.n * 3 + 0],
-			        obj->normals[gi.n * 3 + 1],
-			        obj->normals[gi.n * 3 + 2],
-			        obj->texcoords[gi.t * 2 + 0],
-			        obj->texcoords[gi.t * 2 + 1],
-			    };
-
-			// triangulate polygon on the fly; offset-3 is always the first polygon vertex
-			if (j >= 3)
-			{
-				vertices[vertex_offset + 0] = vertices[vertex_offset - 3];
-				vertices[vertex_offset + 1] = vertices[vertex_offset - 1];
-				vertex_offset += 2;
-			}
+		for (unsigned int vi = 2; vi < face_vertices; ++vi)
+		{
+			size_t to = index_offset + (vi - 2) * 3;
 
-			vertices[vertex_offset] = v;
-			vertex_offset++;
+			mesh.indices[to + 0] = remap[vertex_offset];
+			mesh.indices[to + 1] = remap[vertex_offset + vi - 1];
+			mesh.indices[to + 2] = remap[vertex_offset + vi];
 		}
 
-		index_offset += obj->face_vertices[i];
+		vertex_offset += face_vertices;
+		index_offset += (face_vertices - 2) * 3;
 	}
 
 	fast_obj_destroy(obj);
 
-	reindex = timestamp();
-
-	Mesh result;
-
-	std::vector<unsigned int> remap(total_indices);
-
-	size_t total_vertices = meshopt_generateVertexRemap(&remap[0], NULL, total_indices, &vertices[0], total_indices, sizeof(Vertex));
-
-	result.indices.resize(total_indices);
-	meshopt_remapIndexBuffer(&result.indices[0], NULL, total_indices, &remap[0]);
-
-	result.vertices.resize(total_vertices);
-	meshopt_remapVertexBuffer(&result.vertices[0], &vertices[0], total_indices, sizeof(Vertex), &remap[0]);
-
-	return result;
+	return mesh;
 }
 
 void dumpObj(const Mesh& mesh, bool recomputeNormals = false)
diff --git a/demo/tests.cpp b/demo/tests.cpp
index 58ec3de18c..7c94ba935c 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1200,9 +1200,9 @@ static void simplifyLockFlags()
 	};
 
 	unsigned char lock[9] = {
-		1, 1, 1,
-		1, 0, 1,
-		1, 1, 1, // clang-format :-/
+	    1, 1, 1,
+	    1, 0, 1,
+	    1, 1, 1, // clang-format :-/
 	};
 
 	// 0 1 2
@@ -1233,7 +1233,6 @@ static void simplifyLockFlags()
 	assert(memcmp(ib, expected, sizeof(expected)) == 0);
 }
 
-
 static void adjacency()
 {
 	// 0 1/4

From 892e53e8cd250cc6bb5362e9c5ec4810e19428b4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 12 Jun 2024 22:24:24 -0700
Subject: [PATCH 101/581] gltfpack: Remove generation of meshlet bounds meshes

The bounding spheres here hurt more than they help: due to the lack of a
material by default they obscure the actual meshlets, and if the
importer merges the meshes on import then these become hard to separate.
Additionally, the spheres mostly don't help with debugging meshlet
clustering.

It could make sense to switch to a mesh per meshet for this
visualization in the future if we decide having a sense of meshlet size
is important, but for now the pure visualization is more helpful.
---
 gltf/gltfpack.cpp |  4 +--
 gltf/gltfpack.h   |  2 +-
 gltf/mesh.cpp     | 63 +----------------------------------------------
 3 files changed, 3 insertions(+), 66 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 4266642f07..d42371d016 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -398,10 +398,8 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		if (settings.meshlet_debug > 0)
 		{
 			Mesh meshlets = {};
-			Mesh bounds = {};
-			debugMeshlets(mesh, meshlets, bounds, settings.meshlet_debug, /* scan= */ false);
+			debugMeshlets(mesh, meshlets, settings.meshlet_debug, /* scan= */ false);
 			debug_meshes.push_back(meshlets);
-			debug_meshes.push_back(bounds);
 		}
 	}
 #endif
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 743a1b4079..9633959112 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -306,7 +306,7 @@ void processAnimation(Animation& animation, const Settings& settings);
 void processMesh(Mesh& mesh, const Settings& settings);
 
 void debugSimplify(const Mesh& mesh, Mesh& kinds, Mesh& loops, float ratio, bool attributes);
-void debugMeshlets(const Mesh& mesh, Mesh& meshlets, Mesh& bounds, int max_vertices, bool scan);
+void debugMeshlets(const Mesh& mesh, Mesh& meshlets, int max_vertices, bool scan);
 
 bool compareMeshTargets(const Mesh& lhs, const Mesh& rhs);
 bool compareMeshVariants(const Mesh& lhs, const Mesh& rhs);
diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index e1f3d1a623..a956569ab8 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -884,7 +884,7 @@ void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio, bo
 		}
 }
 
-void debugMeshlets(const Mesh& source, Mesh& meshlets, Mesh& bounds, int max_vertices, bool scan)
+void debugMeshlets(const Mesh& source, Mesh& meshlets, int max_vertices, bool scan)
 {
 	Mesh mesh = source;
 	assert(mesh.type == cgltf_primitive_type_triangles);
@@ -947,66 +947,5 @@ void debugMeshlets(const Mesh& source, Mesh& meshlets, Mesh& bounds, int max_ver
 	meshlets.type = cgltf_primitive_type_triangles;
 	meshlets.streams.push_back(mv);
 	meshlets.streams.push_back(mc);
-
-	// generate bounds meshes, using a sphere per meshlet
-	bounds.nodes = mesh.nodes;
-
-	Stream bv = {cgltf_attribute_type_position};
-	Stream bc = {cgltf_attribute_type_color};
-
-	for (size_t i = 0; i < ml.size(); ++i)
-	{
-		const meshopt_Meshlet& m = ml[i];
-
-		meshopt_Bounds mb = meshopt_computeMeshletBounds(&mlv[m.vertex_offset], &mlt[m.triangle_offset], m.triangle_count, positions->data[0].f, positions->data.size(), sizeof(Attr));
-
-		unsigned int h = unsigned(i);
-		h ^= h >> 13;
-		h *= 0x5bd1e995;
-		h ^= h >> 15;
-
-		Attr c = {{float(h & 0xff) / 255.f, float((h >> 8) & 0xff) / 255.f, float((h >> 16) & 0xff) / 255.f, 0.1f}};
-
-		unsigned int offset = unsigned(bv.data.size());
-
-		const int N = 10;
-
-		for (int y = 0; y <= N; ++y)
-		{
-			float u = (y == N) ? 0 : float(y) / N * 2 * 3.1415926f;
-			float sinu = sinf(u), cosu = cosf(u);
-
-			for (int x = 0; x <= N; ++x)
-			{
-				float v = float(x) / N * 3.1415926f;
-				float sinv = sinf(v), cosv = cosf(v);
-
-				float fx = sinv * cosu;
-				float fy = sinv * sinu;
-				float fz = cosv;
-
-				Attr p = {{mb.center[0] + mb.radius * fx, mb.center[1] + mb.radius * fy, mb.center[2] + mb.radius * fz, 1.f}};
-
-				bv.data.push_back(p);
-				bc.data.push_back(c);
-			}
-		}
-
-		for (int y = 0; y < N; ++y)
-			for (int x = 0; x < N; ++x)
-			{
-				bounds.indices.push_back(offset + (N + 1) * (y + 0) + (x + 0));
-				bounds.indices.push_back(offset + (N + 1) * (y + 0) + (x + 1));
-				bounds.indices.push_back(offset + (N + 1) * (y + 1) + (x + 0));
-
-				bounds.indices.push_back(offset + (N + 1) * (y + 1) + (x + 0));
-				bounds.indices.push_back(offset + (N + 1) * (y + 0) + (x + 1));
-				bounds.indices.push_back(offset + (N + 1) * (y + 1) + (x + 1));
-			}
-	}
-
-	bounds.type = cgltf_primitive_type_triangles;
-	bounds.streams.push_back(bv);
-	bounds.streams.push_back(bc);
 }
 #endif

From 761ae4b640dd40474d508f148a8f7b16c3995fce Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 13 Jun 2024 21:26:12 -0700
Subject: [PATCH 102/581] demo: Implement a basic example of cluster
 simplification

This is an important building block for Nanite, as it requires a
repeated application of buildMeshlets => simplify (with additional
algorithms that meshoptimizer currently doesn't support, like grouping
meshlets based on proximity). This can be used to refine future
improvements to simplification like sparsity, as well as serve as a
basic example.

For simplicity we use LockBorders flag instead of locking boundary
vertices manually via meshopt_simplifyWithAttributes; from production
perspective both options are viable.
---
 demo/main.cpp | 48 +++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 47 insertions(+), 1 deletion(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index f3ac62d76f..e3969ec983 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -641,6 +641,52 @@ void simplifyComplete(const Mesh& mesh)
 	}
 }
 
+void simplifyClusters(const Mesh& mesh, float threshold = 0.2f)
+{
+	// note: we use clusters that are larger than normal to give simplifier room to work; in practice you'd use cluster groups merged from smaller clusters and build a cluster DAG
+	const size_t max_vertices = 255;
+	const size_t max_triangles = 512;
+
+	double start = timestamp();
+
+	size_t max_meshlets = meshopt_buildMeshletsBound(mesh.indices.size(), max_vertices, max_triangles);
+	std::vector<meshopt_Meshlet> meshlets(max_meshlets);
+	std::vector<unsigned int> meshlet_vertices(max_meshlets * max_vertices);
+	std::vector<unsigned char> meshlet_triangles(max_meshlets * max_triangles * 3);
+
+	meshlets.resize(meshopt_buildMeshlets(&meshlets[0], &meshlet_vertices[0], &meshlet_triangles[0], &mesh.indices[0], mesh.indices.size(), &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), max_vertices, max_triangles, 0.f));
+
+	double middle = timestamp();
+
+	std::vector<unsigned int> lod;
+	lod.reserve(mesh.indices.size());
+
+	for (size_t i = 0; i < meshlets.size(); ++i)
+	{
+		const meshopt_Meshlet& m = meshlets[i];
+
+		size_t cluster_offset = lod.size();
+
+		for (size_t j = 0; j < m.triangle_count * 3; ++j)
+			lod.push_back(meshlet_vertices[m.vertex_offset + meshlet_triangles[m.triangle_offset + j]]);
+
+		unsigned int options = meshopt_SimplifyLockBorder;
+
+		size_t cluster_target = size_t(float(m.triangle_count) * threshold) * 3;
+		size_t cluster_size = meshopt_simplify(&lod[cluster_offset], &lod[cluster_offset], m.triangle_count * 3, &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), cluster_target, threshold, options, 0);
+
+		// simplified cluster is available in lod[cluster_offset..cluster_offset + cluster_size]
+		lod.resize(cluster_offset + cluster_size);
+	}
+
+	double end = timestamp();
+
+	printf("%-9s: %d triangles => %d triangles in %.2f msec, clusterized in %.2f msec\n",
+	    "SimplifyN", // N for Nanite
+	    int(mesh.indices.size() / 3), int(lod.size() / 3),
+	    (end - middle) * 1000, (middle - start) * 1000);
+}
+
 void optimize(const Mesh& mesh, const char* name, void (*optf)(Mesh& mesh))
 {
 	Mesh copy = mesh;
@@ -1245,7 +1291,7 @@ void processDev(const char* path)
 	if (!loadMesh(mesh, path))
 		return;
 
-	simplify(mesh);
+	simplifyClusters(mesh);
 }
 
 int main(int argc, char** argv)

From 1af1bf87de9a2dbccd8f605fbea64f340cc03903 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 13 Jun 2024 22:21:59 -0700
Subject: [PATCH 103/581] simplify: Implement initial support for sparse
 simplification

When simplifying a small subset of the larger mesh, all computations
that go over the entire vertex buffer become expensive; this adds up
even when done once, and especially when done for every pass.

This change introduces a sparse simplification mode that instructs the
simplifier to optimize based on the assumption that the subset of the
mesh that is being simplified is small. In that case it's worth spending
extra time to convert indices into a small 0..U subrange, do all
internal processing assuming we are working with a small vertex/index
buffer, and remap the indices at the end. While this processing could be
done externally, that is less efficient as it requires constant copying
of position/attribute data; in constrast, we can do it fairly cheaply.

We need to take sparse_remap into account for any code that indexes
input position/attribute data; buildPositionRemap needs this as well as
it currently works off of original (unscaled) data.

buildSparseRemap does need to perform O(dense) work if we want to avoid
using hash maps for deduplication/filtering; this change uses a small
zeroed array and a large sparsely-initialized array to reduce the cost.
This is subject to future improvements (although is fairly performant as
it is when simplifying 500-triangle subsets of a 800K triangle mesh).
---
 demo/main.cpp       |  2 +-
 src/meshoptimizer.h |  2 +
 src/simplifier.cpp  | 93 ++++++++++++++++++++++++++++++++++++---------
 3 files changed, 77 insertions(+), 20 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index e3969ec983..665951aa88 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -670,7 +670,7 @@ void simplifyClusters(const Mesh& mesh, float threshold = 0.2f)
 		for (size_t j = 0; j < m.triangle_count * 3; ++j)
 			lod.push_back(meshlet_vertices[m.vertex_offset + meshlet_triangles[m.triangle_offset + j]]);
 
-		unsigned int options = meshopt_SimplifyLockBorder;
+		unsigned int options = meshopt_SimplifyLockBorder | meshopt_SimplifySparse;
 
 		size_t cluster_target = size_t(float(m.triangle_count) * threshold) * 3;
 		size_t cluster_size = meshopt_simplify(&lod[cluster_offset], &lod[cluster_offset], m.triangle_count * 3, &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), cluster_target, threshold, options, 0);
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index c377eebbc3..a01e6cf4fd 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -330,6 +330,8 @@ enum
 {
     /* Do not move vertices that are located on the topological border (vertices on triangle edges that don't have a paired triangle). Useful for simplifying portions of the larger mesh. */
     meshopt_SimplifyLockBorder = 1 << 0,
+    /* Improve simplification performance assuming input indices are a sparse subset of the mesh. Note that error becomes relative to subset extents. */
+    meshopt_SimplifySparse = 1 << 1,
 };
 
 /**
diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index a84b33270a..9d3d5bac59 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -111,10 +111,12 @@ struct PositionHasher
 {
 	const float* vertex_positions;
 	size_t vertex_stride_float;
+	const unsigned int* sparse_remap;
 
 	size_t hash(unsigned int index) const
 	{
-		const unsigned int* key = reinterpret_cast<const unsigned int*>(vertex_positions + index * vertex_stride_float);
+		unsigned int ri = sparse_remap ? sparse_remap[index] : index;
+		const unsigned int* key = reinterpret_cast<const unsigned int*>(vertex_positions + ri * vertex_stride_float);
 
 		// scramble bits to make sure that integer coordinates have entropy in lower bits
 		unsigned int x = key[0] ^ (key[0] >> 17);
@@ -127,7 +129,10 @@ struct PositionHasher
 
 	bool equal(unsigned int lhs, unsigned int rhs) const
 	{
-		return memcmp(vertex_positions + lhs * vertex_stride_float, vertex_positions + rhs * vertex_stride_float, sizeof(float) * 3) == 0;
+		unsigned int li = sparse_remap ? sparse_remap[lhs] : lhs;
+		unsigned int ri = sparse_remap ? sparse_remap[rhs] : rhs;
+
+		return memcmp(vertex_positions + li * vertex_stride_float, vertex_positions + ri * vertex_stride_float, sizeof(float) * 3) == 0;
 	}
 };
 
@@ -167,9 +172,9 @@ static T* hashLookup2(T* table, size_t buckets, const Hash& hash, const T& key,
 	return NULL;
 }
 
-static void buildPositionRemap(unsigned int* remap, unsigned int* wedge, const float* vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride, meshopt_Allocator& allocator)
+static void buildPositionRemap(unsigned int* remap, unsigned int* wedge, const float* vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride, const unsigned int* sparse_remap, meshopt_Allocator& allocator)
 {
-	PositionHasher hasher = {vertex_positions_data, vertex_positions_stride / sizeof(float)};
+	PositionHasher hasher = {vertex_positions_data, vertex_positions_stride / sizeof(float), sparse_remap};
 
 	size_t table_size = hashBuckets2(vertex_count);
 	unsigned int* table = allocator.allocate<unsigned int>(table_size);
@@ -205,6 +210,43 @@ static void buildPositionRemap(unsigned int* remap, unsigned int* wedge, const f
 	allocator.deallocate(table);
 }
 
+static unsigned int* buildSparseRemap(unsigned int* indices, size_t index_count, size_t vertex_count, size_t* out_vertex_count, meshopt_Allocator& allocator)
+{
+	unsigned char* filter = allocator.allocate<unsigned char>(vertex_count);
+	memset(filter, 0, vertex_count);
+
+	size_t unique = 0;
+	for (size_t i = 0; i < index_count; ++i)
+	{
+		assert(indices[i] < vertex_count);
+		unique += filter[indices[i]] == 0;
+		filter[indices[i]] = 1;
+	}
+
+	unsigned int* revremap = allocator.allocate<unsigned int>(vertex_count);
+
+	unsigned int* remap = allocator.allocate<unsigned int>(unique);
+	size_t offset = 0;
+	for (size_t i = 0; i < index_count; ++i)
+	{
+		if (filter[indices[i]] == 1)
+		{
+			remap[offset] = indices[i];
+			filter[indices[i]] = 0;
+			revremap[indices[i]] = unsigned(offset);
+			indices[i] = unsigned(offset);
+			offset++;
+		}
+		else
+		{
+			indices[i] = revremap[indices[i]];
+		}
+	}
+
+	*out_vertex_count = unique;
+	return remap;
+}
+
 enum VertexKind
 {
 	Kind_Manifold, // not on an attribute seam, not on any boundary
@@ -383,7 +425,7 @@ struct Vector3
 	float x, y, z;
 };
 
-static float rescalePositions(Vector3* result, const float* vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride)
+static float rescalePositions(Vector3* result, const float* vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride, const unsigned int* sparse_remap = NULL)
 {
 	size_t vertex_stride_float = vertex_positions_stride / sizeof(float);
 
@@ -392,7 +434,8 @@ static float rescalePositions(Vector3* result, const float* vertex_positions_dat
 
 	for (size_t i = 0; i < vertex_count; ++i)
 	{
-		const float* v = vertex_positions_data + i * vertex_stride_float;
+		unsigned int ri = sparse_remap ? sparse_remap[i] : i;
+		const float* v = vertex_positions_data + ri * vertex_stride_float;
 
 		if (result)
 		{
@@ -431,15 +474,17 @@ static float rescalePositions(Vector3* result, const float* vertex_positions_dat
 	return extent;
 }
 
-static void rescaleAttributes(float* result, const float* vertex_attributes_data, size_t vertex_count, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count)
+static void rescaleAttributes(float* result, const float* vertex_attributes_data, size_t vertex_count, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, const unsigned int* sparse_remap)
 {
 	size_t vertex_attributes_stride_float = vertex_attributes_stride / sizeof(float);
 
 	for (size_t i = 0; i < vertex_count; ++i)
 	{
+		unsigned int ri = sparse_remap ? sparse_remap[i] : unsigned(i);
+
 		for (size_t k = 0; k < attribute_count; ++k)
 		{
-			float a = vertex_attributes_data[i * vertex_attributes_stride_float + k];
+			float a = vertex_attributes_data[ri * vertex_attributes_stride_float + k];
 
 			result[i * attribute_count + k] = a * attribute_weights[k];
 		}
@@ -1481,7 +1526,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	assert(vertex_positions_stride >= 12 && vertex_positions_stride <= 256);
 	assert(vertex_positions_stride % sizeof(float) == 0);
 	assert(target_index_count <= index_count);
-	assert((options & ~(meshopt_SimplifyLockBorder)) == 0);
+	assert((options & ~(meshopt_SimplifyLockBorder | meshopt_SimplifySparse)) == 0);
 	assert(vertex_attributes_stride >= attribute_count * sizeof(float) && vertex_attributes_stride <= 256);
 	assert(vertex_attributes_stride % sizeof(float) == 0);
 	assert(attribute_count <= kMaxAttributes);
@@ -1489,16 +1534,24 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	meshopt_Allocator allocator;
 
 	unsigned int* result = destination;
+	if (result != indices)
+		memcpy(result, indices, index_count * sizeof(unsigned int));
+
+	// build an index remap and update indices/vertex_count to minimize the subsequent work
+	// note: as a consequence, errors will be computed relative to the subset extent
+	unsigned int* sparse_remap = NULL;
+	if (options & meshopt_SimplifySparse)
+		sparse_remap = buildSparseRemap(result, index_count, vertex_count, &vertex_count, allocator);
 
 	// build adjacency information
 	EdgeAdjacency adjacency = {};
 	prepareEdgeAdjacency(adjacency, index_count, vertex_count, allocator);
-	updateEdgeAdjacency(adjacency, indices, index_count, vertex_count, NULL);
+	updateEdgeAdjacency(adjacency, result, index_count, vertex_count, NULL);
 
 	// build position remap that maps each vertex to the one with identical position
 	unsigned int* remap = allocator.allocate<unsigned int>(vertex_count);
 	unsigned int* wedge = allocator.allocate<unsigned int>(vertex_count);
-	buildPositionRemap(remap, wedge, vertex_positions_data, vertex_count, vertex_positions_stride, allocator);
+	buildPositionRemap(remap, wedge, vertex_positions_data, vertex_count, vertex_positions_stride, sparse_remap, allocator);
 
 	// classify vertices; vertex kind determines collapse rules, see kCanCollapse
 	unsigned char* vertex_kind = allocator.allocate<unsigned char>(vertex_count);
@@ -1522,14 +1575,14 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 #endif
 
 	Vector3* vertex_positions = allocator.allocate<Vector3>(vertex_count);
-	rescalePositions(vertex_positions, vertex_positions_data, vertex_count, vertex_positions_stride);
+	rescalePositions(vertex_positions, vertex_positions_data, vertex_count, vertex_positions_stride, sparse_remap);
 
 	float* vertex_attributes = NULL;
 
 	if (attribute_count)
 	{
 		vertex_attributes = allocator.allocate<float>(vertex_count * attribute_count);
-		rescaleAttributes(vertex_attributes, vertex_attributes_data, vertex_count, vertex_attributes_stride, attribute_weights, attribute_count);
+		rescaleAttributes(vertex_attributes, vertex_attributes_data, vertex_count, vertex_attributes_stride, attribute_weights, attribute_count, sparse_remap);
 	}
 
 	Quadric* vertex_quadrics = allocator.allocate<Quadric>(vertex_count);
@@ -1547,14 +1600,11 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 		memset(attribute_gradients, 0, vertex_count * attribute_count * sizeof(QuadricGrad));
 	}
 
-	fillFaceQuadrics(vertex_quadrics, indices, index_count, vertex_positions, remap);
-	fillEdgeQuadrics(vertex_quadrics, indices, index_count, vertex_positions, remap, vertex_kind, loop, loopback);
+	fillFaceQuadrics(vertex_quadrics, result, index_count, vertex_positions, remap);
+	fillEdgeQuadrics(vertex_quadrics, result, index_count, vertex_positions, remap, vertex_kind, loop, loopback);
 
 	if (attribute_count)
-		fillAttributeQuadrics(attribute_quadrics, attribute_gradients, indices, index_count, vertex_positions, vertex_attributes, attribute_count, remap);
-
-	if (result != indices)
-		memcpy(result, indices, index_count * sizeof(unsigned int));
+		fillAttributeQuadrics(attribute_quadrics, attribute_gradients, result, index_count, vertex_positions, vertex_attributes, attribute_count, remap);
 
 #if TRACE
 	size_t pass_count = 0;
@@ -1630,6 +1680,11 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 		memcpy(meshopt_simplifyDebugLoopBack, loopback, vertex_count * sizeof(unsigned int));
 #endif
 
+	// convert resulting indices back into the dense space of the larger mesh
+	if (sparse_remap)
+		for (size_t i = 0; i < result_count; ++i)
+			result[i] = sparse_remap[result[i]];
+
 	// result_error is quadratic; we need to remap it back to linear
 	if (out_result_error)
 		*out_result_error = sqrtf(result_error);

From 30a4a25d4ea96401b13a1032031324c05014fc4c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 13 Jun 2024 23:13:45 -0700
Subject: [PATCH 104/581] simplify: Deallocate reverse remap when
 buildSparseRemap is done

This reduces the high watermark and may allow reusing the deallocated
space for the actual simplifier state. Ideally we would reduce the space
consumed here further, but that requires a hash map so may not be ideal.
---
 src/simplifier.cpp | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 9d3d5bac59..6c016f7b3d 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -223,27 +223,35 @@ static unsigned int* buildSparseRemap(unsigned int* indices, size_t index_count,
 		filter[indices[i]] = 1;
 	}
 
-	unsigned int* revremap = allocator.allocate<unsigned int>(vertex_count);
-
 	unsigned int* remap = allocator.allocate<unsigned int>(unique);
 	size_t offset = 0;
+
+	// temporary map dense => sparse; we allocate it last so that we can deallocate it
+	unsigned int* revremap = allocator.allocate<unsigned int>(vertex_count);
+
 	for (size_t i = 0; i < index_count; ++i)
 	{
-		if (filter[indices[i]] == 1)
+		unsigned int index = indices[i];
+
+		if (filter[index] == 1)
 		{
 			remap[offset] = indices[i];
-			filter[indices[i]] = 0;
-			revremap[indices[i]] = unsigned(offset);
+			revremap[index] = unsigned(offset);
 			indices[i] = unsigned(offset);
+			filter[index] = 0;
 			offset++;
 		}
 		else
 		{
-			indices[i] = revremap[indices[i]];
+			indices[i] = revremap[index];
 		}
 	}
 
+	allocator.deallocate(revremap);
+
+	assert(offset == unique);
 	*out_vertex_count = unique;
+
 	return remap;
 }
 

From 3a49202cd64e910830496ea8120341764b5a8a93 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 13 Jun 2024 23:41:20 -0700
Subject: [PATCH 105/581] simplify: Fix MSVC warning

---
 src/simplifier.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 6c016f7b3d..cb6f3a7da2 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -442,7 +442,7 @@ static float rescalePositions(Vector3* result, const float* vertex_positions_dat
 
 	for (size_t i = 0; i < vertex_count; ++i)
 	{
-		unsigned int ri = sparse_remap ? sparse_remap[i] : i;
+		unsigned int ri = sparse_remap ? sparse_remap[i] : unsigned(i);
 		const float* v = vertex_positions_data + ri * vertex_stride_float;
 
 		if (result)

From c6737f6c2f499386829d70451f29a2cea3e4bada Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 14 Jun 2024 08:51:21 -0700
Subject: [PATCH 106/581] simplify: Use a bit set for sparse remap computation

We have two parts of buildSparseRemap that are still dependent on the
number of vertices wrt complexity, filter clearing and revremap
allocation. We could replace revremap with a hash map if a large
allocation proves to be problematic, but it also might work fine in
practice - whereas filter[] clearing is a cost we must pay and for small
subsets of large meshes this can be 20% of the entire simplification.

To fix this we now use a bit set which is 8x cheaper to clear (the
actual addressing gets more expensive but it's a fraction of the cost
due to sparsity assumption).
---
 src/simplifier.cpp | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index cb6f3a7da2..fcb0296fb8 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -212,15 +212,18 @@ static void buildPositionRemap(unsigned int* remap, unsigned int* wedge, const f
 
 static unsigned int* buildSparseRemap(unsigned int* indices, size_t index_count, size_t vertex_count, size_t* out_vertex_count, meshopt_Allocator& allocator)
 {
-	unsigned char* filter = allocator.allocate<unsigned char>(vertex_count);
-	memset(filter, 0, vertex_count);
+	// use a bit set to compute the precise number of unique vertices
+	unsigned char* filter = allocator.allocate<unsigned char>((vertex_count + 7) / 8);
+	memset(filter, 0, (vertex_count + 7) / 8);
 
 	size_t unique = 0;
 	for (size_t i = 0; i < index_count; ++i)
 	{
-		assert(indices[i] < vertex_count);
-		unique += filter[indices[i]] == 0;
-		filter[indices[i]] = 1;
+		unsigned int index = indices[i];
+		assert(index < vertex_count);
+
+		unique += (filter[index / 8] & (1 << (index % 8))) == 0;
+		filter[index / 8] |= 1 << (index % 8);
 	}
 
 	unsigned int* remap = allocator.allocate<unsigned int>(unique);
@@ -229,16 +232,18 @@ static unsigned int* buildSparseRemap(unsigned int* indices, size_t index_count,
 	// temporary map dense => sparse; we allocate it last so that we can deallocate it
 	unsigned int* revremap = allocator.allocate<unsigned int>(vertex_count);
 
+	// fill remap, using revremap as a helper, and rewrite indices in the same pass
+	// note: we use filter[] here to avoid initializing revremap for performance
 	for (size_t i = 0; i < index_count; ++i)
 	{
 		unsigned int index = indices[i];
 
-		if (filter[index] == 1)
+		if ((filter[index / 8] & (1 << (index % 8))) != 0)
 		{
 			remap[offset] = indices[i];
 			revremap[index] = unsigned(offset);
 			indices[i] = unsigned(offset);
-			filter[index] = 0;
+			filter[index / 8] &= ~(1 << (index % 8));
 			offset++;
 		}
 		else

From 0836a67850ab160abe5a5d0657da64a56552cfab Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 14 Jun 2024 08:54:32 -0700
Subject: [PATCH 107/581] simplify: Fix vertex_lock access when sparse
 simplification is used

classifyVertices references the input vertex_lock[] which is indexed
using dense vertex indices so it needs to remap the access index on the
fly as well.
---
 src/simplifier.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index fcb0296fb8..2878830716 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -307,7 +307,7 @@ static bool hasEdge(const EdgeAdjacency& adjacency, unsigned int a, unsigned int
 	return false;
 }
 
-static void classifyVertices(unsigned char* result, unsigned int* loop, unsigned int* loopback, size_t vertex_count, const EdgeAdjacency& adjacency, const unsigned int* remap, const unsigned int* wedge, const unsigned char* vertex_lock, unsigned int options)
+static void classifyVertices(unsigned char* result, unsigned int* loop, unsigned int* loopback, size_t vertex_count, const EdgeAdjacency& adjacency, const unsigned int* remap, const unsigned int* wedge, const unsigned char* vertex_lock, const unsigned int* sparse_remap, unsigned int options)
 {
 	memset(loop, -1, vertex_count * sizeof(unsigned int));
 	memset(loopback, -1, vertex_count * sizeof(unsigned int));
@@ -353,7 +353,7 @@ static void classifyVertices(unsigned char* result, unsigned int* loop, unsigned
 	{
 		if (remap[i] == i)
 		{
-			if (vertex_lock && vertex_lock[i])
+			if (vertex_lock && vertex_lock[sparse_remap ? sparse_remap[i] : i])
 			{
 				// vertex is explicitly locked
 				result[i] = Kind_Locked;
@@ -1570,7 +1570,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	unsigned char* vertex_kind = allocator.allocate<unsigned char>(vertex_count);
 	unsigned int* loop = allocator.allocate<unsigned int>(vertex_count);
 	unsigned int* loopback = allocator.allocate<unsigned int>(vertex_count);
-	classifyVertices(vertex_kind, loop, loopback, vertex_count, adjacency, remap, wedge, vertex_lock, options);
+	classifyVertices(vertex_kind, loop, loopback, vertex_count, adjacency, remap, wedge, vertex_lock, sparse_remap, options);
 
 #if TRACE
 	size_t unique_positions = 0;

From 7fabea9b72f9f0ed340ca57f681471c78a475878 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 14 Jun 2024 11:28:50 -0700
Subject: [PATCH 108/581] simplify: Add SimplifyErrorAbsolute flag to treat
 error as absolute

When using sparse simplification, the error is treated as relative to
the mesh subset. This is a performance requirement as computing the full
mesh extents is too expensive when the subset is small relative to the
mesh, but it means that it can be difficult to rely on exact error
metrics.

There are also cases in general, when not using sparse simplification,
when an absolute error is more convenient. These can be achieved right
now via meshopt_simplifyScale but that is an extra step that is not
always necessary.

With this change, when meshopt_SimplifyErrorAbsolute flag is used, we
treat the error limit and the output error as an absolute distance (in
mesh coordinates), and convert it to/from relative using the internal
scale factor.
---
 src/meshoptimizer.h | 2 ++
 src/simplifier.cpp  | 9 +++++----
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index a01e6cf4fd..bb78cf284b 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -332,6 +332,8 @@ enum
     meshopt_SimplifyLockBorder = 1 << 0,
     /* Improve simplification performance assuming input indices are a sparse subset of the mesh. Note that error becomes relative to subset extents. */
     meshopt_SimplifySparse = 1 << 1,
+    /* Treat error limit and resulting error as absolute instead of relative to mesh extents. */
+    meshopt_SimplifyErrorAbsolute = 1 << 2,
 };
 
 /**
diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 2878830716..79ad69f91a 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1539,7 +1539,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	assert(vertex_positions_stride >= 12 && vertex_positions_stride <= 256);
 	assert(vertex_positions_stride % sizeof(float) == 0);
 	assert(target_index_count <= index_count);
-	assert((options & ~(meshopt_SimplifyLockBorder | meshopt_SimplifySparse)) == 0);
+	assert((options & ~(meshopt_SimplifyLockBorder | meshopt_SimplifySparse | meshopt_SimplifyErrorAbsolute)) == 0);
 	assert(vertex_attributes_stride >= attribute_count * sizeof(float) && vertex_attributes_stride <= 256);
 	assert(vertex_attributes_stride % sizeof(float) == 0);
 	assert(attribute_count <= kMaxAttributes);
@@ -1588,7 +1588,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 #endif
 
 	Vector3* vertex_positions = allocator.allocate<Vector3>(vertex_count);
-	rescalePositions(vertex_positions, vertex_positions_data, vertex_count, vertex_positions_stride, sparse_remap);
+	float vertex_scale = rescalePositions(vertex_positions, vertex_positions_data, vertex_count, vertex_positions_stride, sparse_remap);
 
 	float* vertex_attributes = NULL;
 
@@ -1634,7 +1634,8 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	float result_error = 0;
 
 	// target_error input is linear; we need to adjust it to match quadricError units
-	float error_limit = target_error * target_error;
+	float error_scale = (options & meshopt_SimplifyErrorAbsolute) ? vertex_scale : 1.f;
+	float error_limit = (target_error * target_error) / (error_scale * error_scale);
 
 	while (result_count > target_index_count)
 	{
@@ -1700,7 +1701,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 
 	// result_error is quadratic; we need to remap it back to linear
 	if (out_result_error)
-		*out_result_error = sqrtf(result_error);
+		*out_result_error = sqrtf(result_error) * error_scale;
 
 	return result_count;
 }

From 0fdca1ec8cfff1907c7e28426cc967e7507c9ced Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 14 Jun 2024 11:45:26 -0700
Subject: [PATCH 109/581] demo: Use meshopt_SimplifyErrorAbsolute in
 simplifyClusters

Previously we couldn't really guarantee a sensible error bound or
display the resulting deviation, but meshopt_SimplifyErrorAbsolute
together with meshopt_simplifyScale makes it easy, so we incorporate
that into simplifyClusters.
---
 demo/main.cpp | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 665951aa88..e923d2fe50 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -658,9 +658,13 @@ void simplifyClusters(const Mesh& mesh, float threshold = 0.2f)
 
 	double middle = timestamp();
 
+	float scale = meshopt_simplifyScale(&mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex));
+
 	std::vector<unsigned int> lod;
 	lod.reserve(mesh.indices.size());
 
+	float error = 0.f;
+
 	for (size_t i = 0; i < meshlets.size(); ++i)
 	{
 		const meshopt_Meshlet& m = meshlets[i];
@@ -670,10 +674,14 @@ void simplifyClusters(const Mesh& mesh, float threshold = 0.2f)
 		for (size_t j = 0; j < m.triangle_count * 3; ++j)
 			lod.push_back(meshlet_vertices[m.vertex_offset + meshlet_triangles[m.triangle_offset + j]]);
 
-		unsigned int options = meshopt_SimplifyLockBorder | meshopt_SimplifySparse;
+		unsigned int options = meshopt_SimplifyLockBorder | meshopt_SimplifySparse | meshopt_SimplifyErrorAbsolute;
 
+		float cluster_target_error = 1e-2f * scale;
 		size_t cluster_target = size_t(float(m.triangle_count) * threshold) * 3;
-		size_t cluster_size = meshopt_simplify(&lod[cluster_offset], &lod[cluster_offset], m.triangle_count * 3, &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), cluster_target, threshold, options, 0);
+		float cluster_error = 0.f;
+		size_t cluster_size = meshopt_simplify(&lod[cluster_offset], &lod[cluster_offset], m.triangle_count * 3, &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), cluster_target, cluster_target_error, options, &cluster_error);
+
+		error = cluster_error > error ? cluster_error : error;
 
 		// simplified cluster is available in lod[cluster_offset..cluster_offset + cluster_size]
 		lod.resize(cluster_offset + cluster_size);
@@ -681,9 +689,10 @@ void simplifyClusters(const Mesh& mesh, float threshold = 0.2f)
 
 	double end = timestamp();
 
-	printf("%-9s: %d triangles => %d triangles in %.2f msec, clusterized in %.2f msec\n",
+	printf("%-9s: %d triangles => %d triangles (%.2f%% deviation) in %.2f msec, clusterized in %.2f msec\n",
 	    "SimplifyN", // N for Nanite
 	    int(mesh.indices.size() / 3), int(lod.size() / 3),
+	    error / scale * 100,
 	    (end - middle) * 1000, (middle - start) * 1000);
 }
 
@@ -1291,6 +1300,7 @@ void processDev(const char* path)
 	if (!loadMesh(mesh, path))
 		return;
 
+	simplify(mesh);
 	simplifyClusters(mesh);
 }
 

From f64ba55900f4791378a371b68e20db24b77ca6f5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 14 Jun 2024 11:55:35 -0700
Subject: [PATCH 110/581] demo: Add a test for meshopt_SimplifyErrorAbsolute

We collapse a center vertex which introduces an error and check that the
error is close to what we would expect. Note that the distance the
vertex travels here is 1.0f, not 0.85f, but the errors are evaluated as
distances to triangles which makes it smaller.
---
 demo/tests.cpp | 53 +++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 44 insertions(+), 9 deletions(-)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 7c94ba935c..53a9e6f28b 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1188,15 +1188,15 @@ static void simplifyAttr()
 static void simplifyLockFlags()
 {
 	float vb[] = {
-	    0.000000f, 0.000000f, 0.000000f,
-	    0.000000f, 1.000000f, 0.000000f,
-	    0.000000f, 2.000000f, 0.000000f,
-	    1.000000f, 0.000000f, 0.000000f,
-	    1.000000f, 1.000000f, 0.000000f,
-	    1.000000f, 2.000000f, 0.000000f,
-	    2.000000f, 0.000000f, 0.000000f,
-	    2.000000f, 1.000000f, 0.000000f,
-	    2.000000f, 2.000000f, 0.000000f, // clang-format :-/
+	    0, 0, 0,
+	    0, 1, 0,
+	    0, 2, 0,
+	    1, 0, 0,
+	    1, 1, 0,
+	    1, 2, 0,
+	    2, 0, 0,
+	    2, 1, 0,
+	    2, 2, 0, // clang-format :-/
 	};
 
 	unsigned char lock[9] = {
@@ -1233,6 +1233,40 @@ static void simplifyLockFlags()
 	assert(memcmp(ib, expected, sizeof(expected)) == 0);
 }
 
+static void simplifyErrorAbsolute()
+{
+	float vb[] = {
+	    0, 0, 0,
+	    0, 1, 0,
+	    0, 2, 0,
+	    1, 0, 0,
+	    1, 1, 1,
+	    1, 2, 0,
+	    2, 0, 0,
+	    2, 1, 0,
+	    2, 2, 0, // clang-format :-/
+	};
+
+	// 0 1 2
+	// 3 4 5
+	// 6 7 8
+
+	unsigned int ib[] = {
+	    0, 1, 3,
+	    3, 1, 4,
+	    1, 2, 4,
+	    4, 2, 5,
+	    3, 4, 6,
+	    6, 4, 7,
+	    4, 5, 7,
+	    7, 5, 8, // clang-format :-/
+	};
+
+	float error = 0.f;
+	assert(meshopt_simplify(ib, ib, 24, vb, 9, 12, 18, 2.f, meshopt_SimplifyLockBorder | meshopt_SimplifyErrorAbsolute, &error) == 18);
+	assert(fabsf(error - 0.85f) < 0.01f);
+}
+
 static void adjacency()
 {
 	// 0 1/4
@@ -1448,6 +1482,7 @@ void runTests()
 	simplifyLockBorder();
 	simplifyAttr();
 	simplifyLockFlags();
+	simplifyErrorAbsolute();
 
 	adjacency();
 	tessellation();

From 5a2bd4e7964ea5dea486cd8cb39aad49c44cc77e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 14 Jun 2024 14:08:49 -0700
Subject: [PATCH 111/581] js: Expose new simplification options

Note that this change doesn't rebuild the Wasm bundle; the options
should just work once that is done.
---
 js/meshopt_simplifier.js          | 2 ++
 js/meshopt_simplifier.module.d.ts | 2 +-
 js/meshopt_simplifier.module.js   | 2 ++
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 3daeb3808f..73590683ac 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -155,6 +155,8 @@ var MeshoptSimplifier = (function() {
 
 	var simplifyOptions = {
 		LockBorder: 1,
+		Sparse: 2,
+		ErrorAbsolute: 4,
 	};
 
 	return {
diff --git a/js/meshopt_simplifier.module.d.ts b/js/meshopt_simplifier.module.d.ts
index 7e95ad83d8..b0131756b6 100644
--- a/js/meshopt_simplifier.module.d.ts
+++ b/js/meshopt_simplifier.module.d.ts
@@ -1,6 +1,6 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-export type Flags = "LockBorder";
+export type Flags = "LockBorder" | "Sparse" | "ErrorAbsolute";
 
 export const MeshoptSimplifier: {
     supported: boolean;
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index a4ff5f1fe8..5b540a4a52 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -154,6 +154,8 @@ var MeshoptSimplifier = (function() {
 
 	var simplifyOptions = {
 		LockBorder: 1,
+		Sparse: 2,
+		ErrorAbsolute: 4,
 	};
 
 	return {

From b5bc216e061e472d62301143d18a8efb75a3973f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 14 Jun 2024 14:26:02 -0700
Subject: [PATCH 112/581] demo: Add a test for sparse simplification

The test needs to check that positions, attributes and lock flags are
all addressed using proper indexing. We do assume that collapses are
going in a specific direction (the input data technically permits two
collapse directions for each test), if this becomes a problem due to fp
instabilities we can tweak the input data then.
---
 demo/tests.cpp | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 53a9e6f28b..83e2b25a64 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1233,6 +1233,77 @@ static void simplifyLockFlags()
 	assert(memcmp(ib, expected, sizeof(expected)) == 0);
 }
 
+static void simplifySparse()
+{
+	float vb[] = {
+	    0, 0, 100,
+	    0, 1, 0,
+	    0, 2, 100,
+	    1, 0, 0.1f,
+	    1, 1, 0.1f,
+	    1, 2, 0.1f,
+	    2, 0, 100,
+	    2, 1, 0,
+	    2, 2, 100, // clang-format :-/
+	};
+
+	float vba[] = {
+	    100,
+	    0.5f,
+	    100,
+	    0.5f,
+	    0.5f,
+	    0,
+	    100,
+	    0.5f,
+	    100, // clang-format :-/
+	};
+
+	float aw[] = {
+	    0.2f};
+
+	unsigned char lock[9] = {
+	    8, 1, 8,
+	    1, 0, 1,
+	    8, 1, 8, // clang-format :-/
+	};
+
+	//   1
+	// 3 4 5
+	//   7
+
+	unsigned int ib[] = {
+	    3, 1, 4,
+	    1, 5, 4,
+	    3, 4, 7,
+	    4, 5, 7, // clang-format :-/
+	};
+
+	unsigned int res[12];
+
+	// vertices 3-4-5 are slightly elevated along Z which guides the collapses when only using geometry
+	unsigned int expected[] = {
+	    1, 5, 3,
+	    3, 5, 7, // clang-format :-/
+	};
+
+	assert(meshopt_simplify(res, ib, 12, vb, 9, 12, 6, 1e-3f, meshopt_SimplifySparse) == 6);
+	assert(memcmp(res, expected, sizeof(expected)) == 0);
+
+	// vertices 1-4-7 have a crease in the attribute value which guides the collapses the opposite way when weighing attributes sufficiently
+	unsigned int expecteda[] = {
+	    3, 1, 7,
+	    1, 5, 7, // clang-format :-/
+	};
+
+	assert(meshopt_simplifyWithAttributes(res, ib, 12, vb, 9, 12, vba, sizeof(float), aw, 1, lock, 6, 1e-1f, meshopt_SimplifySparse) == 6);
+	assert(memcmp(res, expecteda, sizeof(expecteda)) == 0);
+
+	// a final test validates that destination can alias when using sparsity
+	assert(meshopt_simplify(ib, ib, 12, vb, 9, 12, 6, 1e-3f, meshopt_SimplifySparse) == 6);
+	assert(memcmp(ib, expected, sizeof(expected)) == 0);
+}
+
 static void simplifyErrorAbsolute()
 {
 	float vb[] = {
@@ -1482,6 +1553,7 @@ void runTests()
 	simplifyLockBorder();
 	simplifyAttr();
 	simplifyLockFlags();
+	simplifySparse();
 	simplifyErrorAbsolute();
 
 	adjacency();

From b91edfcee82c2882a6ddff6cad7cc6fe88f2b003 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 14 Jun 2024 20:17:07 -0700
Subject: [PATCH 113/581] demo: Add simplifyClusters to the default set of
 pipelines

This helps to test sparse simplification on a large variety of meshes.

Drive-by: fix simplifyPoints under address sanitizer when the number of
points was below the threshold so &indices[0] would be out of bounds.
---
 demo/main.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/demo/main.cpp b/demo/main.cpp
index e923d2fe50..f93bf34e86 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -522,6 +522,8 @@ void simplifyPoints(const Mesh& mesh, float threshold = 0.2f)
 	double start = timestamp();
 
 	size_t target_vertex_count = size_t(mesh.vertices.size() * threshold);
+	if (target_vertex_count == 0)
+		return;
 
 	std::vector<unsigned int> indices(target_vertex_count);
 	indices.resize(meshopt_simplifyPoints(&indices[0], &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), NULL, 0, 0, target_vertex_count));
@@ -1286,6 +1288,7 @@ void process(const char* path)
 	simplifySloppy(mesh);
 	simplifyComplete(mesh);
 	simplifyPoints(mesh);
+	simplifyClusters(mesh);
 
 	spatialSort(mesh);
 	spatialSortTriangles(mesh);

From 54702d77374f73dd47ef3fd329bb342cdd864241 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 15 Jun 2024 09:17:35 -0700
Subject: [PATCH 114/581] simplify: Use a hash map to generate sparse remap

Instead of using a large uninitialized allocation, we now use a hash
table. Under the assumption that a mesh subset is much smaller, we were
relying on the efficiency of repeatedly reallocating a large
uninitialized segment of memory, which worked well on some systems
(Linux) but not as much on others (Windows). Instead, we now minimize
the allocation size.

This ends up a little slower when the sparsity assumption does not hold,
as we no longer use direct indexing. To minimize the impact, we use a
hash function that reduces the amount of avalanche so that sequential
indices have fewer hash conflicts; it might also make sense to use an
identity function here, or a small multiplicative constant.

To minimize the impact further, we don't store pairs in the map, and
just store the new index; when doing a lookup, due to the unique
construction of the hasher we can lookup the dense index despite the
fact that the map only stores sparse indices.
---
 src/simplifier.cpp | 38 +++++++++++++++++++++++++++-----------
 1 file changed, 27 insertions(+), 11 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 79ad69f91a..1f6f8ab183 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -136,6 +136,21 @@ struct PositionHasher
 	}
 };
 
+struct RemapHasher
+{
+	unsigned int* remap;
+
+	size_t hash(unsigned int id) const
+	{
+		return id * 0x5bd1e995;
+	}
+
+	bool equal(unsigned int lhs, unsigned int rhs) const
+	{
+		return remap[lhs] == rhs;
+	}
+};
+
 static size_t hashBuckets2(size_t count)
 {
 	size_t buckets = 1;
@@ -230,26 +245,27 @@ static unsigned int* buildSparseRemap(unsigned int* indices, size_t index_count,
 	size_t offset = 0;
 
 	// temporary map dense => sparse; we allocate it last so that we can deallocate it
-	unsigned int* revremap = allocator.allocate<unsigned int>(vertex_count);
+	size_t revremap_size = hashBuckets2(unique);
+	unsigned int* revremap = allocator.allocate<unsigned int>(revremap_size);
+	memset(revremap, -1, revremap_size * sizeof(unsigned int));
 
 	// fill remap, using revremap as a helper, and rewrite indices in the same pass
-	// note: we use filter[] here to avoid initializing revremap for performance
+	RemapHasher hasher = {remap};
+
 	for (size_t i = 0; i < index_count; ++i)
 	{
 		unsigned int index = indices[i];
 
-		if ((filter[index / 8] & (1 << (index % 8))) != 0)
+		unsigned int* entry = hashLookup2(revremap, revremap_size, hasher, index, ~0u);
+
+		if (*entry == ~0u)
 		{
-			remap[offset] = indices[i];
-			revremap[index] = unsigned(offset);
-			indices[i] = unsigned(offset);
-			filter[index / 8] &= ~(1 << (index % 8));
+			remap[offset] = index;
+			*entry = unsigned(offset);
 			offset++;
 		}
-		else
-		{
-			indices[i] = revremap[index];
-		}
+
+		indices[i] = *entry;
 	}
 
 	allocator.deallocate(revremap);

From 924eacad1962462e11b3b4a5e7a9bb0fae419900 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 14 Jun 2024 09:28:28 -0700
Subject: [PATCH 115/581] simplify: Work around MSVC static analysis false
 positive

We intentionally use bitwise & here to reduce branch mispredictions; if
the result is int, MSVC does not emit a warning.
---
 src/simplifier.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index a84b33270a..83660dbe6b 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1310,7 +1310,7 @@ static void fillCellQuadrics(Quadric* cell_quadrics, const unsigned int* indices
 		unsigned int c1 = vertex_cells[i1];
 		unsigned int c2 = vertex_cells[i2];
 
-		bool single_cell = (c0 == c1) & (c0 == c2);
+		int single_cell = (c0 == c1) & (c0 == c2);
 
 		Quadric Q;
 		quadricFromTriangle(Q, vertex_positions[i0], vertex_positions[i1], vertex_positions[i2], single_cell ? 3.f : 1.f);

From 5158851e86707c00e142103325bd117ffb083a1d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 17 Jun 2024 12:38:16 -0700
Subject: [PATCH 116/581] Adjust ternary operators to conform to clang-format

clang-format uses rules to format nested ternaries that, in absence of a
column limit, result in odd formatting unless the nested ternaries are
parenthesized. Until this is fixed, we'd need to change the formatting
style to avoid excessive line breaks when reformatting the entire
codebase.
---
 gltf/gltfpack.cpp   | 2 +-
 gltf/json.cpp       | 2 +-
 gltf/write.cpp      | 2 +-
 src/clusterizer.cpp | 2 +-
 src/indexcodec.cpp  | 8 ++++----
 src/simplifier.cpp  | 8 ++++----
 src/stripifier.cpp  | 2 +-
 src/vertexcodec.cpp | 2 +-
 8 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index d42371d016..f3156d3e38 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -1184,7 +1184,7 @@ Settings defaults()
 template <typename T>
 T clamp(T v, T min, T max)
 {
-	return v < min ? min : v > max ? max : v;
+	return v < min ? min : (v > max ? max : v);
 }
 
 unsigned int textureMask(const char* arg)
diff --git a/gltf/json.cpp b/gltf/json.cpp
index 5ab3310185..92062d0703 100644
--- a/gltf/json.cpp
+++ b/gltf/json.cpp
@@ -60,7 +60,7 @@ void appendJson(std::string& s, const char* data)
 			break;
 
 		case Quoted:
-			state = (ch == '"') ? None : (ch == '\\') ? Escape : Quoted;
+			state = (ch == '"') ? None : (ch == '\\' ? Escape : Quoted);
 			break;
 
 		case Escape:
diff --git a/gltf/write.cpp b/gltf/write.cpp
index be6a492fff..13f2f3ad58 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -1471,7 +1471,7 @@ void writeAnimation(std::string& json, std::vector<BufferView>& views, std::stri
 
 		comma(json_samplers);
 		append(json_samplers, "{\"input\":");
-		append(json_samplers, range ? range_accr : track.constant ? pose_accr : time_accr);
+		append(json_samplers, range ? range_accr : (track.constant ? pose_accr : time_accr));
 		append(json_samplers, ",\"output\":");
 		append(json_samplers, data_accr);
 		if (track.interpolation == cgltf_interpolation_type_step)
diff --git a/src/clusterizer.cpp b/src/clusterizer.cpp
index be8c2c2db1..52fe5a362c 100644
--- a/src/clusterizer.cpp
+++ b/src/clusterizer.cpp
@@ -441,7 +441,7 @@ static size_t kdtreeBuild(size_t offset, KDNode* nodes, size_t node_count, const
 	}
 
 	// split axis is one where the variance is largest
-	unsigned int axis = vars[0] >= vars[1] && vars[0] >= vars[2] ? 0 : vars[1] >= vars[2] ? 1 : 2;
+	unsigned int axis = (vars[0] >= vars[1] && vars[0] >= vars[2]) ? 0 : (vars[1] >= vars[2] ? 1 : 2);
 
 	float split = mean[axis];
 	size_t middle = kdtreePartition(indices, count, points, stride, axis, split);
diff --git a/src/indexcodec.cpp b/src/indexcodec.cpp
index 4cc2fea63a..b300460052 100644
--- a/src/indexcodec.cpp
+++ b/src/indexcodec.cpp
@@ -33,7 +33,7 @@ static int rotateTriangle(unsigned int a, unsigned int b, unsigned int c, unsign
 {
 	(void)a;
 
-	return (b == next) ? 1 : (c == next) ? 2 : 0;
+	return (b == next) ? 1 : (c == next ? 2 : 0);
 }
 
 static int getEdgeFifo(EdgeFifo fifo, unsigned int a, unsigned int b, unsigned int c, size_t offset)
@@ -217,7 +217,7 @@ size_t meshopt_encodeIndexBuffer(unsigned char* buffer, size_t buffer_size, cons
 			int fe = fer >> 2;
 			int fc = getVertexFifo(vertexfifo, c, vertexfifooffset);
 
-			int fec = (fc >= 1 && fc < fecmax) ? fc : (c == next) ? (next++, 0) : 15;
+			int fec = (fc >= 1 && fc < fecmax) ? fc : (c == next ? (next++, 0) : 15);
 
 			if (fec == 15 && version >= 1)
 			{
@@ -267,8 +267,8 @@ size_t meshopt_encodeIndexBuffer(unsigned char* buffer, size_t buffer_size, cons
 
 			// after rotation, a is almost always equal to next, so we don't waste bits on FIFO encoding for a
 			int fea = (a == next) ? (next++, 0) : 15;
-			int feb = (fb >= 0 && fb < 14) ? (fb + 1) : (b == next) ? (next++, 0) : 15;
-			int fec = (fc >= 0 && fc < 14) ? (fc + 1) : (c == next) ? (next++, 0) : 15;
+			int feb = (fb >= 0 && fb < 14) ? fb + 1 : (b == next ? (next++, 0) : 15);
+			int fec = (fc >= 0 && fc < 14) ? fc + 1 : (c == next ? (next++, 0) : 15);
 
 			// we encode feb & fec in 4 bits using a table if possible, and as a full byte otherwise
 			unsigned char codeaux = (unsigned char)((feb << 4) | fec);
diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 112bfb3125..84efaab6e7 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1782,14 +1782,14 @@ size_t meshopt_simplifySloppy(unsigned int* destination, const unsigned int* ind
 
 		// we clamp the prediction of the grid size to make sure that the search converges
 		int grid_size = next_grid_size;
-		grid_size = (grid_size <= min_grid) ? min_grid + 1 : (grid_size >= max_grid) ? max_grid - 1 : grid_size;
+		grid_size = (grid_size <= min_grid) ? min_grid + 1 : (grid_size >= max_grid ? max_grid - 1 : grid_size);
 
 		computeVertexIds(vertex_ids, vertex_positions, vertex_count, grid_size);
 		size_t triangles = countTriangles(vertex_ids, indices, index_count);
 
 #if TRACE
 		printf("pass %d (%s): grid size %d, triangles %d, %s\n",
-		    pass, (pass == 0) ? "guess" : (pass <= kInterpolationPasses) ? "lerp" : "binary",
+		    pass, (pass == 0) ? "guess" : (pass <= kInterpolationPasses ? "lerp" : "binary"),
 		    grid_size, int(triangles),
 		    (triangles <= target_index_count / 3) ? "under" : "over");
 #endif
@@ -1914,14 +1914,14 @@ size_t meshopt_simplifyPoints(unsigned int* destination, const float* vertex_pos
 
 		// we clamp the prediction of the grid size to make sure that the search converges
 		int grid_size = next_grid_size;
-		grid_size = (grid_size <= min_grid) ? min_grid + 1 : (grid_size >= max_grid) ? max_grid - 1 : grid_size;
+		grid_size = (grid_size <= min_grid) ? min_grid + 1 : (grid_size >= max_grid ? max_grid - 1 : grid_size);
 
 		computeVertexIds(vertex_ids, vertex_positions, vertex_count, grid_size);
 		size_t vertices = countVertexCells(table, table_size, vertex_ids, vertex_count);
 
 #if TRACE
 		printf("pass %d (%s): grid size %d, vertices %d, %s\n",
-		    pass, (pass == 0) ? "guess" : (pass <= kInterpolationPasses) ? "lerp" : "binary",
+		    pass, (pass == 0) ? "guess" : (pass <= kInterpolationPasses ? "lerp" : "binary"),
 		    grid_size, int(vertices),
 		    (vertices <= target_vertex_count) ? "under" : "over");
 #endif
diff --git a/src/stripifier.cpp b/src/stripifier.cpp
index 8ce17ef3dc..d57fb512bf 100644
--- a/src/stripifier.cpp
+++ b/src/stripifier.cpp
@@ -18,7 +18,7 @@ static unsigned int findStripFirst(const unsigned int buffer[][3], unsigned int
 	for (size_t i = 0; i < buffer_size; ++i)
 	{
 		unsigned int va = valence[buffer[i][0]], vb = valence[buffer[i][1]], vc = valence[buffer[i][2]];
-		unsigned int v = (va < vb && va < vc) ? va : (vb < vc) ? vb : vc;
+		unsigned int v = (va < vb && va < vc) ? va : (vb < vc ? vb : vc);
 
 		if (v < iv)
 		{
diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 8ab0662d88..94f7a1adc2 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -245,7 +245,7 @@ static unsigned char* encodeBytes(unsigned char* data, unsigned char* data_end,
 			}
 		}
 
-		int bitslog2 = (best_bits == 1) ? 0 : (best_bits == 2) ? 1 : (best_bits == 4) ? 2 : 3;
+		int bitslog2 = (best_bits == 1) ? 0 : (best_bits == 2 ? 1 : (best_bits == 4 ? 2 : 3));
 		assert((1 << bitslog2) == best_bits);
 
 		size_t header_offset = i / kByteGroupSize;

From 79640b8ab37bc61e1f585c19f819769f727ac9a6 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 19 Jun 2024 13:44:46 -0700
Subject: [PATCH 117/581] tools: Add initial basic texture analysis script

In order to calibrate the texture compression settings better, we need a
way to analyze a few representative files and plot the dependency
between quality/size and compression parameters. This version focuses on
UASTC and UASTC RDO lambda specifically as it's the most sensitive
parameter.
---
 tools/bitmask.py   |  0
 tools/gltfbasis.py | 61 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)
 mode change 100755 => 100644 tools/bitmask.py
 create mode 100644 tools/gltfbasis.py

diff --git a/tools/bitmask.py b/tools/bitmask.py
old mode 100755
new mode 100644
diff --git a/tools/gltfbasis.py b/tools/gltfbasis.py
new file mode 100644
index 0000000000..806afa7a7c
--- /dev/null
+++ b/tools/gltfbasis.py
@@ -0,0 +1,61 @@
+#!/usr/bin/python3
+
+import argparse
+import matplotlib.pyplot as plt
+import os
+import os.path
+import re
+import subprocess
+
+argp = argparse.ArgumentParser()
+argp.add_argument('--basisu', type=str, required=True)
+argp.add_argument('files', type=str, nargs='+')
+args = argp.parse_args()
+
+def compress(path, flags):
+    temp_path = "/dev/null" if os.name == "posix" else "NUL"
+    output = subprocess.check_output([args.basisu, "-file", path, "-output_file", temp_path, "-stats", "-ktx2"] + flags)
+    for line in output.splitlines():
+        if m := re.match(r".*source image.*?(\d+)x(\d+)", line.decode()):
+            pixels = int(m.group(1)) * int(m.group(2))
+        elif m := re.match(r".*Compression succeeded.*size (\d+) bytes", line.decode()):
+            bytes = int(m.group(1))
+        elif m := re.match(r"\.basis RGB Avg:.*RMS: (\d+\.\d+) PSNR: (\d+\.\d+)", line.decode()):
+            rms = float(m.group(1))
+            psnr = float(m.group(2))
+
+    return {'path': path, 'bpp': bytes * 8 / pixels, 'rms': rms, 'psnr': psnr}
+
+def uastc_stats(path):
+    results = []
+    for rdo_l in range(0, 20):
+        flags = ["-uastc", "-uastc_level", "1", "-uastc_rdo_l", str(rdo_l / 5), "-uastc_rdo_d", "1024"]
+        res = compress(path, flags)
+        res['rdo_l'] = rdo_l / 5
+        results.append(res)
+    return results
+
+plt.figure(figsize=(15, 5))
+
+for path in args.files:
+    print('Processing', path)
+    results = uastc_stats(path)
+    name = os.path.basename(path)
+    plt.subplot(1, 3, 1)
+    plt.plot([r['rdo_l'] for r in results], [r['bpp'] for r in results], label=name)
+    plt.subplot(1, 3, 2)
+    plt.plot([r['rdo_l'] for r in results], [r['rms'] for r in results], label=name)
+    plt.subplot(1, 3, 3)
+    plt.plot([r['rdo_l'] for r in results], [r['psnr'] for r in results], label=name)
+
+plt.subplot(1, 3, 1)
+plt.title('bpp')
+plt.legend()
+plt.subplot(1, 3, 2)
+plt.title('rms')
+plt.legend()
+plt.subplot(1, 3, 3)
+plt.title('psnr')
+plt.legend()
+
+plt.savefig('basisu.png')

From 4e0cefd96b79bab3d5759b6e5484759ef22f1fa3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 19 Jun 2024 14:13:12 -0700
Subject: [PATCH 118/581] tools: Add ETC1S baseline data to gltfbasis.py

Without this it's difficult to judge the relative improvement/regression
as the values naturally vary per image.
---
 tools/gltfbasis.py | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/tools/gltfbasis.py b/tools/gltfbasis.py
index 806afa7a7c..af8bd8dd1e 100644
--- a/tools/gltfbasis.py
+++ b/tools/gltfbasis.py
@@ -40,13 +40,17 @@ def uastc_stats(path):
 for path in args.files:
     print('Processing', path)
     results = uastc_stats(path)
+    etcbase = compress(path, ["-q", "192"])
     name = os.path.basename(path)
     plt.subplot(1, 3, 1)
-    plt.plot([r['rdo_l'] for r in results], [r['bpp'] for r in results], label=name)
+    line, = plt.plot([r['rdo_l'] for r in results], [r['bpp'] for r in results], label=name)
+    plt.axhline(etcbase['bpp'], color=line.get_color(), linestyle='dotted')
     plt.subplot(1, 3, 2)
-    plt.plot([r['rdo_l'] for r in results], [r['rms'] for r in results], label=name)
+    line, = plt.plot([r['rdo_l'] for r in results], [r['rms'] for r in results], label=name)
+    plt.axhline(etcbase['rms'], color=line.get_color(), linestyle='dotted')
     plt.subplot(1, 3, 3)
-    plt.plot([r['rdo_l'] for r in results], [r['psnr'] for r in results], label=name)
+    line, = plt.plot([r['rdo_l'] for r in results], [r['psnr'] for r in results], label=name)
+    plt.axhline(etcbase['psnr'], color=line.get_color(), linestyle='dotted')
 
 plt.subplot(1, 3, 1)
 plt.title('bpp')

From e36277e972abcb680837fb7c242abe57f9291949 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 19 Jun 2024 14:54:34 -0700
Subject: [PATCH 119/581] tools: Rework graph plotting and layout in gltfbasis

We now use constrained layout to be able to put the combined legend
outside of the plot area and switch to using Axes to make the code a
little more robust.
---
 tools/gltfbasis.py | 38 ++++++++++++++++----------------------
 1 file changed, 16 insertions(+), 22 deletions(-)

diff --git a/tools/gltfbasis.py b/tools/gltfbasis.py
index af8bd8dd1e..03b6d86a80 100644
--- a/tools/gltfbasis.py
+++ b/tools/gltfbasis.py
@@ -26,7 +26,7 @@ def compress(path, flags):
 
     return {'path': path, 'bpp': bytes * 8 / pixels, 'rms': rms, 'psnr': psnr}
 
-def uastc_stats(path):
+def stats(path):
     results = []
     for rdo_l in range(0, 20):
         flags = ["-uastc", "-uastc_level", "1", "-uastc_rdo_l", str(rdo_l / 5), "-uastc_rdo_d", "1024"]
@@ -35,31 +35,25 @@ def uastc_stats(path):
         results.append(res)
     return results
 
-plt.figure(figsize=(15, 5))
+fields = ['bpp', 'rms', 'psnr']
+fig, axs = plt.subplots(1, len(fields), layout='constrained')
+fig.set_figwidth(5 * len(fields))
+lines = []
 
 for path in args.files:
     print('Processing', path)
-    results = uastc_stats(path)
+    results = stats(path)
     etcbase = compress(path, ["-q", "192"])
-    name = os.path.basename(path)
-    plt.subplot(1, 3, 1)
-    line, = plt.plot([r['rdo_l'] for r in results], [r['bpp'] for r in results], label=name)
-    plt.axhline(etcbase['bpp'], color=line.get_color(), linestyle='dotted')
-    plt.subplot(1, 3, 2)
-    line, = plt.plot([r['rdo_l'] for r in results], [r['rms'] for r in results], label=name)
-    plt.axhline(etcbase['rms'], color=line.get_color(), linestyle='dotted')
-    plt.subplot(1, 3, 3)
-    line, = plt.plot([r['rdo_l'] for r in results], [r['psnr'] for r in results], label=name)
-    plt.axhline(etcbase['psnr'], color=line.get_color(), linestyle='dotted')
 
-plt.subplot(1, 3, 1)
-plt.title('bpp')
-plt.legend()
-plt.subplot(1, 3, 2)
-plt.title('rms')
-plt.legend()
-plt.subplot(1, 3, 3)
-plt.title('psnr')
-plt.legend()
+    for idx, field in enumerate(fields):
+        line, = axs[idx].plot([r['rdo_l'] for r in results], [r[field] for r in results])
+        axs[idx].axhline(etcbase[field], color=line.get_color(), linestyle='dotted')
+        if idx == 0:
+            lines.append(line)
+
+for idx, field in enumerate(fields):
+    axs[idx].set_title(field)
+
+fig.legend(lines, [os.path.basename(path) for path in args.files], loc='outside right upper')
 
 plt.savefig('basisu.png')

From 3d1cd8b5aa6e07807d0a9ccf65448e2f77a09b05 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 19 Jun 2024 15:05:50 -0700
Subject: [PATCH 120/581] tools: Parallelize texture processing in gltfbasis

Use concurrent.futures to compress many texture variants at once, as
individual texture processing doesn't saturate more than a couple cores
via internal parallelism.
---
 tools/gltfbasis.py | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/tools/gltfbasis.py b/tools/gltfbasis.py
index 03b6d86a80..1345d187bc 100644
--- a/tools/gltfbasis.py
+++ b/tools/gltfbasis.py
@@ -1,6 +1,7 @@
 #!/usr/bin/python3
 
 import argparse
+import concurrent.futures
 import matplotlib.pyplot as plt
 import os
 import os.path
@@ -27,13 +28,19 @@ def compress(path, flags):
     return {'path': path, 'bpp': bytes * 8 / pixels, 'rms': rms, 'psnr': psnr}
 
 def stats(path):
-    results = []
-    for rdo_l in range(0, 20):
-        flags = ["-uastc", "-uastc_level", "1", "-uastc_rdo_l", str(rdo_l / 5), "-uastc_rdo_d", "1024"]
-        res = compress(path, flags)
-        res['rdo_l'] = rdo_l / 5
-        results.append(res)
-    return results
+    with concurrent.futures.ThreadPoolExecutor(16) as executor:
+        futures = []
+        for i in range(0, 30):
+            rdo_l = i / 5
+            flags = ["-uastc", "-uastc_level", "1", "-uastc_rdo_l", str(rdo_l), "-uastc_rdo_d", "1024"]
+            futures.append((executor.submit(compress, path, flags), rdo_l))
+        concurrent.futures.wait([f for (f, r) in futures])
+        results = []
+        for future, rdo_l in futures:
+            res = future.result()
+            res['rdo_l'] = rdo_l
+            results.append(res)
+        return results
 
 fields = ['bpp', 'rms', 'psnr']
 fig, axs = plt.subplots(1, len(fields), layout='constrained')

From fd73be6053fa22b4c588f1fb054b443a85e15508 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 20 Jun 2024 18:24:49 -0700
Subject: [PATCH 121/581] tools: Add graph path argument to gltfbasis

Also change the RDO lambda range to 0..5
---
 tools/gltfbasis.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/gltfbasis.py b/tools/gltfbasis.py
index 1345d187bc..d96298373a 100644
--- a/tools/gltfbasis.py
+++ b/tools/gltfbasis.py
@@ -10,6 +10,7 @@
 
 argp = argparse.ArgumentParser()
 argp.add_argument('--basisu', type=str, required=True)
+argp.add_argument('--graph', type=str, default="basisu.png")
 argp.add_argument('files', type=str, nargs='+')
 args = argp.parse_args()
 
@@ -30,7 +31,7 @@ def compress(path, flags):
 def stats(path):
     with concurrent.futures.ThreadPoolExecutor(16) as executor:
         futures = []
-        for i in range(0, 30):
+        for i in range(0, 26):
             rdo_l = i / 5
             flags = ["-uastc", "-uastc_level", "1", "-uastc_rdo_l", str(rdo_l), "-uastc_rdo_d", "1024"]
             futures.append((executor.submit(compress, path, flags), rdo_l))
@@ -63,4 +64,4 @@ def stats(path):
 
 fig.legend(lines, [os.path.basename(path) for path in args.files], loc='outside right upper')
 
-plt.savefig('basisu.png')
+plt.savefig(args.graph)

From a336c34d7b96974836e262d80f0ff5242cc0208d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 21 Jun 2024 10:08:32 -0700
Subject: [PATCH 122/581] tools: Add compression ratio and PSNR scatter plot to
 gltfbasis

We now plot compression ratio in addition to bpp which is easier to read
because it normalizes the RDO size impact, and a scatter plot of PSNR to
ratio that allows to understand the trend lines for different textures
better.
---
 tools/gltfbasis.py | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/tools/gltfbasis.py b/tools/gltfbasis.py
index d96298373a..cde9b0308b 100644
--- a/tools/gltfbasis.py
+++ b/tools/gltfbasis.py
@@ -37,15 +37,19 @@ def stats(path):
             futures.append((executor.submit(compress, path, flags), rdo_l))
         concurrent.futures.wait([f for (f, r) in futures])
         results = []
+        bppbase = 0
         for future, rdo_l in futures:
             res = future.result()
+            if rdo_l == 0:
+                bppbase = res['bpp']
             res['rdo_l'] = rdo_l
+            res['ratio'] = res['bpp'] / bppbase
             results.append(res)
         return results
 
-fields = ['bpp', 'rms', 'psnr']
-fig, axs = plt.subplots(1, len(fields), layout='constrained')
-fig.set_figwidth(5 * len(fields))
+fields = ['bpp', 'rms', 'psnr', 'ratio']
+fig, axs = plt.subplots(1, len(fields) + 1, layout='constrained')
+fig.set_figwidth(5 * (len(fields) + 1))
 lines = []
 
 for path in args.files:
@@ -55,13 +59,18 @@ def stats(path):
 
     for idx, field in enumerate(fields):
         line, = axs[idx].plot([r['rdo_l'] for r in results], [r[field] for r in results])
-        axs[idx].axhline(etcbase[field], color=line.get_color(), linestyle='dotted')
+        if field in etcbase:
+            axs[idx].axhline(etcbase[field], color=line.get_color(), linestyle='dotted')
         if idx == 0:
             lines.append(line)
 
+    axs[len(fields)].scatter([r['ratio'] for r in results], [r['psnr'] for r in results], color=line.get_color())
+
 for idx, field in enumerate(fields):
     axs[idx].set_title(field)
 
+axs[len(fields)].set_title('psnr vs ratio')
+
 fig.legend(lines, [os.path.basename(path) for path in args.files], loc='outside right upper')
 
 plt.savefig(args.graph)

From 68ebd479e77c7a969835512620ea620076b692d2 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 21 Jun 2024 10:57:58 -0700
Subject: [PATCH 123/581] tools: Make ETC baseline opt in in gltfbasis

These baselines are very helpful to analyze a small set of files but
very distracting on a large set of files, so make this opt in via a
command line argument.
---
 tools/gltfbasis.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/gltfbasis.py b/tools/gltfbasis.py
index cde9b0308b..9fc8816667 100644
--- a/tools/gltfbasis.py
+++ b/tools/gltfbasis.py
@@ -11,6 +11,7 @@
 argp = argparse.ArgumentParser()
 argp.add_argument('--basisu', type=str, required=True)
 argp.add_argument('--graph', type=str, default="basisu.png")
+argp.add_argument('--etcbase', action='store_true')
 argp.add_argument('files', type=str, nargs='+')
 args = argp.parse_args()
 
@@ -55,11 +56,11 @@ def stats(path):
 for path in args.files:
     print('Processing', path)
     results = stats(path)
-    etcbase = compress(path, ["-q", "192"])
+    etcbase = compress(path, ["-q", "192"]) if args.etcbase else None
 
     for idx, field in enumerate(fields):
         line, = axs[idx].plot([r['rdo_l'] for r in results], [r[field] for r in results])
-        if field in etcbase:
+        if etcbase and field in etcbase:
             axs[idx].axhline(etcbase[field], color=line.get_color(), linestyle='dotted')
         if idx == 0:
             lines.append(line)

From 79a9be96c6e7f63ddf1ad2c40aff2f9c554f301a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 21 Jun 2024 11:21:29 -0700
Subject: [PATCH 124/581] gltfpack: Rebalance texture quality table

The main goal of this change is to tweak the UASTC RDO curve. The
initial values here have been picked for early UASTC versions that used
a different RDO algorithm, and haven't been revisited since.

The new table makes it so that at tq 5, we use the same defaults as
basisu (q=128 for ETC1 and l=1 for UASTC RDO), and tweak the table to be
in general a little more aggressive for UASTC. We use different curves
before l=1 and after as the expectation is that for earlier quality
levels, the size is much more important than quality.

The default lambda for tq=8 is a little larger now (0.4 vs 0.3) which
will result in a small size improvement and still good quality by
default. There's maybe a little more room for default lambda to be
higher, but eg lambda=1 does not seem practical for normal maps on a
range of production assets, so we keep the curve for tq=6..10 to be more
quality focused.

The new table is not based on a rigorous fitting of the actual
quality/size curves, but the new tool gltfbasis.py can help find a more
optimal table in the future.
---
 gltf/basisenc.cpp | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/gltf/basisenc.cpp b/gltf/basisenc.cpp
index c108094974..c415d2c5ef 100644
--- a/gltf/basisenc.cpp
+++ b/gltf/basisenc.cpp
@@ -26,15 +26,15 @@ struct BasisSettings
 };
 
 static const BasisSettings kBasisSettings[10] = {
-    {1, 1, 0, 1.5f},
-    {1, 6, 0, 1.f},
-    {1, 20, 1, 1.0f},
-    {1, 50, 1, 0.75f},
-    {1, 90, 1, 0.5f},
-    {1, 128, 1, 0.4f},
-    {1, 160, 1, 0.34f},
-    {1, 192, 1, 0.29f}, // default
-    {1, 224, 2, 0.26f},
+    {1, 1, 0, 4.f},
+    {1, 32, 0, 3.f},
+    {1, 64, 1, 2.f},
+    {1, 96, 1, 1.5f},
+    {1, 128, 1, 1.f}, // quality arguments aligned with basisu defaults
+    {1, 150, 1, 0.8f},
+    {1, 170, 1, 0.6f},
+    {1, 192, 1, 0.4f}, // gltfpack defaults
+    {1, 224, 2, 0.2f},
     {1, 255, 2, 0.f},
 };
 

From b092eee9823cbc38ec8dd6107ff1dedcd3ac9bfa Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 22 Jun 2024 09:24:00 -0700
Subject: [PATCH 125/581] Update USERS.md

Both Dota 2 and HL Alyx list meshoptimizer in third-party licenses in
Steam distribution!
---
 USERS.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/USERS.md b/USERS.md
index d92b19432e..2087152bda 100644
--- a/USERS.md
+++ b/USERS.md
@@ -10,6 +10,8 @@ If you are shipping a game that is using meshoptimizer, listing the library in t
 - [Baldur's Gate 3 (2023)](https://baldursgate3.game/)
 - [Cities: Skylines II (2023)](https://www.paradoxinteractive.com/games/cities-skylines-ii/about)
 - [Counter-Strike 2 (2023)](https://www.counter-strike.net/cs2)
+- [Dota 2 (2013)](https://www.dota2.com/home)
+- [Half-Life: Alyx (2020)](https://store.steampowered.com/app/546560/HalfLife_Alyx/)
 - [Jagged Alliance 3 (2023)](https://jaggedalliance3.thqnordic.com/)
 - [The Legend of Zelda: Tears of the Kingdom (2023)](https://zelda.nintendo.com/tears-of-the-kingdom/)
 - [Manifold Garden (2019)](https://manifold.garden)

From 5e3f97ba5bba19f8e08ff8d0463ed0fef4dfd957 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 22 Jun 2024 09:28:36 -0700
Subject: [PATCH 126/581] extern: Update cgltf with EXT_texture_webp support

This is currently pending a merge to upstream:
https://github.com/jkuhlmann/cgltf/pull/253
---
 extern/cgltf.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/extern/cgltf.h b/extern/cgltf.h
index ac392aba43..36fd644e11 100644
--- a/extern/cgltf.h
+++ b/extern/cgltf.h
@@ -395,6 +395,8 @@ typedef struct cgltf_texture
 	cgltf_sampler* sampler;
 	cgltf_bool has_basisu;
 	cgltf_image* basisu_image;
+	cgltf_bool has_webp;
+	cgltf_image* webp_image;
 	cgltf_extras extras;
 	cgltf_size extensions_count;
 	cgltf_extension* extensions;
@@ -4551,6 +4553,34 @@ static int cgltf_parse_json_texture(cgltf_options* options, jsmntok_t const* tok
 						}
 					}
 				}
+				else if (cgltf_json_strcmp(tokens + i, json_chunk, "EXT_texture_webp") == 0)
+				{
+					out_texture->has_webp = 1;
+					++i;
+					CGLTF_CHECK_TOKTYPE(tokens[i], JSMN_OBJECT);
+					int num_properties = tokens[i].size;
+					++i;
+
+					for (int t = 0; t < num_properties; ++t)
+					{
+						CGLTF_CHECK_KEY(tokens[i]);
+
+						if (cgltf_json_strcmp(tokens + i, json_chunk, "source") == 0)
+						{
+							++i;
+							out_texture->webp_image = CGLTF_PTRINDEX(cgltf_image, cgltf_json_to_int(tokens + i, json_chunk));
+							++i;
+						}
+						else
+						{
+							i = cgltf_skip_json(tokens, i + 1);
+						}
+						if (i < 0)
+						{
+							return i;
+						}
+					}
+				}
 				else
 				{
 					i = cgltf_parse_json_unprocessed_extension(options, tokens, i, json_chunk, &(out_texture->extensions[out_texture->extensions_count++]));
@@ -6561,6 +6591,7 @@ static int cgltf_fixup_pointers(cgltf_data* data)
 	{
 		CGLTF_PTRFIXUP(data->textures[i].image, data->images, data->images_count);
 		CGLTF_PTRFIXUP(data->textures[i].basisu_image, data->images, data->images_count);
+		CGLTF_PTRFIXUP(data->textures[i].webp_image, data->images, data->images_count);
 		CGLTF_PTRFIXUP(data->textures[i].sampler, data->samplers, data->samplers_count);
 	}
 

From 8ef1306a313c3242bd0ad9b043dd8a5ca23fd83b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 22 Jun 2024 09:29:49 -0700
Subject: [PATCH 127/581] gltfpack: Add basic support for EXT_texture_webp

Similarly to KHR_texture_basisu appearing in the input, we now preserve
webp images along with the extension if they are present in the input
file.
---
 gltf/gltfpack.cpp | 3 +++
 gltf/image.cpp    | 1 +
 gltf/material.cpp | 9 ++++++---
 gltf/write.cpp    | 9 ++++++++-
 4 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index f3156d3e38..ee46fa6a71 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -454,6 +454,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	bool ext_instancing = false;
 	bool ext_texture_transform = false;
 	bool ext_texture_basisu = false;
+	bool ext_texture_webp = false;
 
 	size_t accr_offset = 0;
 	size_t node_offset = 0;
@@ -512,6 +513,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		assert(textures[i].remap == int(texture_offset));
 		texture_offset++;
 		ext_texture_basisu = ext_texture_basisu || texture.has_basisu;
+		ext_texture_webp = ext_texture_webp || texture.has_webp;
 	}
 
 	for (size_t i = 0; i < data->materials_count; ++i)
@@ -838,6 +840,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	    {"KHR_materials_variants", data->variants_count > 0, false},
 	    {"KHR_lights_punctual", data->lights_count > 0, false},
 	    {"KHR_texture_basisu", (!json_textures.empty() && settings.texture_ktx2) || ext_texture_basisu, true},
+	    {"EXT_texture_webp", ext_texture_webp, true},
 	    {"EXT_mesh_gpu_instancing", ext_instancing, true},
 	};
 
diff --git a/gltf/image.cpp b/gltf/image.cpp
index 129938a0e4..ca6d4c0f6b 100644
--- a/gltf/image.cpp
+++ b/gltf/image.cpp
@@ -8,6 +8,7 @@ static const char* kMimeTypes[][2] = {
     {"image/jpeg", ".jpeg"},
     {"image/png", ".png"},
     {"image/ktx2", ".ktx2"},
+    {"image/webp", ".webp"},
 };
 
 static const char* inferMimeType(const char* path)
diff --git a/gltf/material.cpp b/gltf/material.cpp
index 0931b2e05b..68d5610c85 100644
--- a/gltf/material.cpp
+++ b/gltf/material.cpp
@@ -11,10 +11,10 @@ static bool areTexturesEqual(const cgltf_texture& lhs, const cgltf_texture& rhs)
 	if (lhs.sampler != rhs.sampler)
 		return false;
 
-	if (lhs.has_basisu != rhs.has_basisu)
+	if (lhs.basisu_image != rhs.basisu_image)
 		return false;
 
-	if (lhs.basisu_image != rhs.basisu_image)
+	if (lhs.webp_image != rhs.webp_image)
 		return false;
 
 	return true;
@@ -446,9 +446,12 @@ static const cgltf_image* getTextureImage(const cgltf_texture* texture)
 	if (texture && texture->image)
 		return texture->image;
 
-	if (texture && texture->has_basisu && texture->basisu_image)
+	if (texture && texture->basisu_image)
 		return texture->basisu_image;
 
+	if (texture && texture->webp_image)
+		return texture->webp_image;
+
 	return NULL;
 }
 
diff --git a/gltf/write.cpp b/gltf/write.cpp
index 13f2f3ad58..429d0c4466 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -975,13 +975,20 @@ void writeTexture(std::string& json, const cgltf_texture& texture, const ImageIn
 		}
 	}
 
-	if (texture.has_basisu && texture.basisu_image)
+	if (texture.basisu_image)
 	{
 		comma(json);
 		append(json, "\"extensions\":{\"KHR_texture_basisu\":{\"source\":");
 		append(json, size_t(texture.basisu_image - data->images));
 		append(json, "}}");
 	}
+	else if (texture.webp_image)
+	{
+		comma(json);
+		append(json, "\"extensions\":{\"EXT_texture_webp\":{\"source\":");
+		append(json, size_t(texture.webp_image - data->images));
+		append(json, "}}");
+	}
 }
 
 void writeMeshAttributes(std::string& json, std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const Mesh& mesh, int target, const QuantizationPosition& qp, const QuantizationTexture& qt, const Settings& settings)

From dacb5fab5f639cb53f40147142c2b2e60e072c7a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 22 Jun 2024 16:28:25 -0700
Subject: [PATCH 128/581] gltfpack: Implement support for WebP header parsing

We only need an implementation for hasTransparency as getDimensions is
only needed by texture compression pipeline which doesn't support
anything but PNG/JPEG as an input.
---
 gltf/image.cpp | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/gltf/image.cpp b/gltf/image.cpp
index ca6d4c0f6b..4eeb03013d 100644
--- a/gltf/image.cpp
+++ b/gltf/image.cpp
@@ -262,12 +262,44 @@ static bool hasTransparencyKtx2(const std::string& data)
 	return false;
 }
 
+static bool hasTransparencyWebP(const std::string& data)
+{
+	if (data.size() < 12 + 4 + 12)
+		return false;
+
+	if (data.compare(0, 4, "RIFF") != 0)
+		return false;
+	if (data.compare(8, 4, "WEBP") != 0)
+		return false;
+
+	// WebP data may use VP8L, VP8X or VP8 format, but VP8 does not support transparency
+	if (data.compare(12, 4, "VP8L") == 0)
+	{
+		if (unsigned(data[20]) != 0x2f)
+			return false;
+
+		// width (14) | height (14) | alpha_is_used (1) | version_number(3)
+		unsigned int header = readInt32LE(data, 21);
+		return (header & (1 << 28)) != 0;
+	}
+	else if (data.compare(12, 4, "VP8X") == 0)
+	{
+		// zero (2) | icc (1) | alpha (1) | exif (1) | xmp (1) | animation (1) | zero (1)
+		unsigned char header = data[20];
+		return (header & (1 << 4)) != 0;
+	}
+
+	return false;
+}
+
 bool hasAlpha(const std::string& data, const char* mime_type)
 {
 	if (strcmp(mime_type, "image/png") == 0)
 		return hasTransparencyPng(data);
 	else if (strcmp(mime_type, "image/ktx2") == 0)
 		return hasTransparencyKtx2(data);
+	else if (strcmp(mime_type, "image/webp") == 0)
+		return hasTransparencyWebP(data);
 	else
 		return false;
 }

From 5e468273a7873df56001d7ba98612d67dade945a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 22 Jun 2024 16:30:10 -0700
Subject: [PATCH 129/581] gltfpack: Add references to image format standards

The implementations have been written based on Wikipedia for PNG/JPEG,
official Khronos specification for KTX2 and Google's specification for WebP.
---
 gltf/image.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gltf/image.cpp b/gltf/image.cpp
index 4eeb03013d..972b4c441b 100644
--- a/gltf/image.cpp
+++ b/gltf/image.cpp
@@ -129,6 +129,7 @@ static int readInt32LE(const std::string& data, size_t offset)
 	       (unsigned((unsigned char)data[offset + 3]) << 24);
 }
 
+// https://en.wikipedia.org/wiki/PNG#File_format
 static bool getDimensionsPng(const std::string& data, int& width, int& height)
 {
 	if (data.size() < 8 + 8 + 13 + 4)
@@ -147,6 +148,7 @@ static bool getDimensionsPng(const std::string& data, int& width, int& height)
 	return true;
 }
 
+// https://en.wikipedia.org/wiki/JPEG_File_Interchange_Format#File_format_structure
 static bool getDimensionsJpeg(const std::string& data, int& width, int& height)
 {
 	size_t offset = 0;
@@ -190,6 +192,7 @@ static bool getDimensionsJpeg(const std::string& data, int& width, int& height)
 	return false;
 }
 
+// https://en.wikipedia.org/wiki/PNG#File_format
 static bool hasTransparencyPng(const std::string& data)
 {
 	if (data.size() < 8 + 8 + 13 + 4)
@@ -225,6 +228,7 @@ static bool hasTransparencyPng(const std::string& data)
 	return false;
 }
 
+// https://github.khronos.org/KTX-Specification/ktxspec.v2.html
 static bool hasTransparencyKtx2(const std::string& data)
 {
 	if (data.size() < 12 + 17 * 4)
@@ -262,6 +266,7 @@ static bool hasTransparencyKtx2(const std::string& data)
 	return false;
 }
 
+// https://developers.google.com/speed/webp/docs/riff_container
 static bool hasTransparencyWebP(const std::string& data)
 {
 	if (data.size() < 12 + 4 + 12)

From 1b3f30658036a7bd60ee250da7238a048aa4e27c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 22 Jun 2024 16:31:15 -0700
Subject: [PATCH 130/581] gltfpack: Add EXT_texture_webp to documentation as
 supported

We don't support encoding webp images but we will now preserve them if
they occur in the input.
---
 gltf/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gltf/README.md b/gltf/README.md
index ffe6d1e12f..4b278676ac 100644
--- a/gltf/README.md
+++ b/gltf/README.md
@@ -85,6 +85,7 @@ gltfpack supports most Khronos extensions and some multi-vendor extensions in th
 - KHR_texture_transform
 - EXT_mesh_gpu_instancing
 - EXT_meshopt_compression
+- EXT_texture_webp
 
 Even if the source file does not use extensions, gltfpack may use some extensions in the output file either by default or when certain options are used:
 

From 1f42cf022014868369447af3a06b025c14a06507 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 24 Jun 2024 09:49:45 -0700
Subject: [PATCH 131/581] simplify: Make hasTriangleFlip predicate use an angle
 cutoff

Instead of checking if the dot product is 0 or negative (90 degree limit
on triangle rotations), use a cutoff of ~75 degrees. The motivation here
is that meshes with complex curvature can end up flipping triangles
through a series of collapses, and since we always evaluate flips
compared to the current mesh we miss that. Technically this can happen
even with a 75 degree limit, but in practice this solves cases of flips
that have been reported before, and doesn't noticeably constrain
simplification or slow it down.

For numerical stability, we avoid dividing by the triangle areas (as
they can be close to zero) and instead use the areas to compute a
bound for dot product. Even if the area product underflows, we just get
the same check that we used to have -- areas should be in [0..1] so
there should be no risk of overflow.
---
 src/simplifier.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 84efaab6e7..e59b4afcd9 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -892,7 +892,13 @@ static bool hasTriangleFlip(const Vector3& a, const Vector3& b, const Vector3& c
 	Vector3 nbc = {eb.y * ec.z - eb.z * ec.y, eb.z * ec.x - eb.x * ec.z, eb.x * ec.y - eb.y * ec.x};
 	Vector3 nbd = {eb.y * ed.z - eb.z * ed.y, eb.z * ed.x - eb.x * ed.z, eb.x * ed.y - eb.y * ed.x};
 
-	return nbc.x * nbd.x + nbc.y * nbd.y + nbc.z * nbd.z <= 0;
+	float ndp = nbc.x * nbd.x + nbc.y * nbd.y + nbc.z * nbd.z;
+	float abc = nbc.x * nbc.x + nbc.y * nbc.y + nbc.z * nbc.z;
+	float abd = nbd.x * nbd.x + nbd.y * nbd.y + nbd.z * nbd.z;
+
+	// scale is cos(angle); somewhat arbitrarily set to ~75 degrees
+	// note that the "pure" check is ndp <= 0 (90 degree cutoff) but that allows flipping through a series of close-to-90 collapses
+	return ndp <= 0.25f * sqrtf(abc * abd);
 }
 
 static bool hasTriangleFlips(const EdgeAdjacency& adjacency, const Vector3* vertex_positions, const unsigned int* collapse_remap, unsigned int i0, unsigned int i1)

From f13503c8f1196e20bcfb1e67ea1e97b1d0ce98c7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 24 Jun 2024 10:37:29 -0700
Subject: [PATCH 132/581] Minor formatting changes

meshoptimizer.h is not covered by clang-format and it had a couple cases
where spaces were used for indentation instead of tabs.

allocator.cpp *is* covered by clang-format and it's hitting the bug
https://github.com/llvm/llvm-project/issues/34171; it's probably not
worth trying to work around this for a single file that is basically
never edited, but it's valuable to keep `make format` be a no-op.
---
 src/allocator.cpp   |  2 +-
 src/meshoptimizer.h | 30 +++++++++++++++---------------
 2 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/src/allocator.cpp b/src/allocator.cpp
index 072e8e51ac..12eda38729 100644
--- a/src/allocator.cpp
+++ b/src/allocator.cpp
@@ -1,7 +1,7 @@
 // This file is part of meshoptimizer library; see meshoptimizer.h for version/license details
 #include "meshoptimizer.h"
 
-void meshopt_setAllocator(void* (MESHOPTIMIZER_ALLOC_CALLCONV *allocate)(size_t), void (MESHOPTIMIZER_ALLOC_CALLCONV *deallocate)(void*))
+void meshopt_setAllocator(void*(MESHOPTIMIZER_ALLOC_CALLCONV* allocate)(size_t), void(MESHOPTIMIZER_ALLOC_CALLCONV* deallocate)(void*))
 {
 	meshopt_Allocator::Storage::allocate = allocate;
 	meshopt_Allocator::Storage::deallocate = deallocate;
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index bb78cf284b..c6a1367b44 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -311,12 +311,12 @@ MESHOPTIMIZER_EXPERIMENTAL void meshopt_decodeFilterExp(void* buffer, size_t cou
  */
 enum meshopt_EncodeExpMode
 {
-    /* When encoding exponents, use separate values for each component (maximum quality) */
-    meshopt_EncodeExpSeparate,
-    /* When encoding exponents, use shared value for all components of each vector (better compression) */
-    meshopt_EncodeExpSharedVector,
-    /* When encoding exponents, use shared value for each component of all vectors (best compression) */
-    meshopt_EncodeExpSharedComponent,
+	/* When encoding exponents, use separate values for each component (maximum quality) */
+	meshopt_EncodeExpSeparate,
+	/* When encoding exponents, use shared value for all components of each vector (better compression) */
+	meshopt_EncodeExpSharedVector,
+	/* When encoding exponents, use shared value for each component of all vectors (best compression) */
+	meshopt_EncodeExpSharedComponent,
 };
 
 MESHOPTIMIZER_EXPERIMENTAL void meshopt_encodeFilterOct(void* destination, size_t count, size_t stride, int bits, const float* data);
@@ -328,12 +328,12 @@ MESHOPTIMIZER_EXPERIMENTAL void meshopt_encodeFilterExp(void* destination, size_
  */
 enum
 {
-    /* Do not move vertices that are located on the topological border (vertices on triangle edges that don't have a paired triangle). Useful for simplifying portions of the larger mesh. */
-    meshopt_SimplifyLockBorder = 1 << 0,
-    /* Improve simplification performance assuming input indices are a sparse subset of the mesh. Note that error becomes relative to subset extents. */
-    meshopt_SimplifySparse = 1 << 1,
-    /* Treat error limit and resulting error as absolute instead of relative to mesh extents. */
-    meshopt_SimplifyErrorAbsolute = 1 << 2,
+	/* Do not move vertices that are located on the topological border (vertices on triangle edges that don't have a paired triangle). Useful for simplifying portions of the larger mesh. */
+	meshopt_SimplifyLockBorder = 1 << 0,
+	/* Improve simplification performance assuming input indices are a sparse subset of the mesh. Note that error becomes relative to subset extents. */
+	meshopt_SimplifySparse = 1 << 1,
+	/* Treat error limit and resulting error as absolute instead of relative to mesh extents. */
+	meshopt_SimplifyErrorAbsolute = 1 << 2,
 };
 
 /**
@@ -973,10 +973,10 @@ inline size_t meshopt_simplify(T* destination, const T* indices, size_t index_co
 template <typename T>
 inline size_t meshopt_simplifyWithAttributes(T* destination, const T* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride, const float* vertex_attributes, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, const unsigned char* vertex_lock, size_t target_index_count, float target_error, unsigned int options, float* result_error)
 {
-    meshopt_IndexAdapter<T> in(NULL, indices, index_count);
-    meshopt_IndexAdapter<T> out(destination, NULL, index_count);
+	meshopt_IndexAdapter<T> in(NULL, indices, index_count);
+	meshopt_IndexAdapter<T> out(destination, NULL, index_count);
 
-    return meshopt_simplifyWithAttributes(out.data, in.data, index_count, vertex_positions, vertex_count, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, attribute_count, vertex_lock, target_index_count, target_error, options, result_error);
+	return meshopt_simplifyWithAttributes(out.data, in.data, index_count, vertex_positions, vertex_count, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, attribute_count, vertex_lock, target_index_count, target_error, options, result_error);
 }
 
 template <typename T>

From 4a75b2a952718d76118a3dac7f688e7593db0048 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 25 Jun 2024 09:57:52 -0700
Subject: [PATCH 133/581] Update version to 0.21

Also rebuild meshopt_simplifier wasm to accomodate recent improvements.
---
 CMakeLists.txt                  | 2 +-
 README.md                       | 4 ++--
 gltf/gltfpack.h                 | 2 +-
 gltf/package.json               | 2 +-
 js/meshopt_decoder.js           | 2 +-
 js/meshopt_decoder.module.js    | 2 +-
 js/meshopt_encoder.js           | 2 +-
 js/meshopt_encoder.module.js    | 2 +-
 js/meshopt_simplifier.js        | 4 ++--
 js/meshopt_simplifier.module.js | 4 ++--
 js/package.json                 | 2 +-
 src/meshoptimizer.h             | 4 ++--
 12 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 68aa59f5df..73b4a48f79 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,7 +12,7 @@ if(POLICY CMP0092)
     cmake_policy(SET CMP0092 NEW) # Enables clean /W4 override for MSVC
 endif()
 
-project(meshoptimizer VERSION 0.20 LANGUAGES CXX)
+project(meshoptimizer VERSION 0.21 LANGUAGES CXX)
 
 option(MESHOPT_BUILD_DEMO "Build demo" OFF)
 option(MESHOPT_BUILD_GLTFPACK "Build gltfpack" OFF)
diff --git a/README.md b/README.md
index c42f7c18ff..6814e98413 100644
--- a/README.md
+++ b/README.md
@@ -13,10 +13,10 @@ The library provides a C and C++ interface for all algorithms; you can use it fr
 meshoptimizer is hosted on GitHub; you can download the latest release using git:
 
 ```
-git clone -b v0.20 https://github.com/zeux/meshoptimizer.git
+git clone -b v0.21 https://github.com/zeux/meshoptimizer.git
 ```
 
-Alternatively you can [download the .zip archive from GitHub](https://github.com/zeux/meshoptimizer/archive/v0.20.zip).
+Alternatively you can [download the .zip archive from GitHub](https://github.com/zeux/meshoptimizer/archive/v0.21.zip).
 
 The library is also available as a package ([ArchLinux](https://aur.archlinux.org/packages/meshoptimizer/), [Debian](https://packages.debian.org/libmeshoptimizer), [Ubuntu](https://packages.ubuntu.com/libmeshoptimizer), [Vcpkg](https://github.com/microsoft/vcpkg/tree/master/ports/meshoptimizer)).
 
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 9633959112..2af672334f 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -1,5 +1,5 @@
 /**
- * gltfpack - version 0.20
+ * gltfpack - version 0.21
  *
  * Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
  * Report bugs and download new versions at https://github.com/zeux/meshoptimizer
diff --git a/gltf/package.json b/gltf/package.json
index 962285a139..13cda90695 100644
--- a/gltf/package.json
+++ b/gltf/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "gltfpack",
-	"version": "0.20.0",
+	"version": "0.21.0",
 	"description": "A command-line tool that can optimize glTF files for size and speed",
 	"author": "Arseny Kapoulkine",
 	"license": "MIT",
diff --git a/js/meshopt_decoder.js b/js/meshopt_decoder.js
index 59d6ecd08b..0a53115141 100644
--- a/js/meshopt_decoder.js
+++ b/js/meshopt_decoder.js
@@ -3,7 +3,7 @@
 var MeshoptDecoder = (function() {
 	"use strict";
 	// Built with clang version 18.1.2
-	// Built from meshoptimizer 0.20
+	// Built from meshoptimizer 0.21
 	var wasm_base = "b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb";
 	var wasm_simd = 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
diff --git a/js/meshopt_decoder.module.js b/js/meshopt_decoder.module.js
index d5f36710a4..fd5631edaf 100644
--- a/js/meshopt_decoder.module.js
+++ b/js/meshopt_decoder.module.js
@@ -2,7 +2,7 @@
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptDecoder = (function() {
 	// Built with clang version 18.1.2
-	// Built from meshoptimizer 0.20
+	// Built from meshoptimizer 0.21
 	var wasm_base = "b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;:eSgHfhraOcsGhCaOcl4hAdndnaOcs0mbarcefhoxekarhoavawaA9RcsGcdtfydbhrkdndnaCmbaocefhxxekaohxavawaO9RcsGcdtfydbhokdndnaHTmbaicefhHxekaicdfhHai8SbegscFeGhzdnascu9kmbaicofhXazcFbGhzcrhidninaH8SbbgscFbGaitazVhzascu9kmeaHcefhHaicrfgic8J9hmbkaXhHxekaHcefhHkazce4cbazceG9R7amfgmhzkdndnaAcsSmbaHhsxekaHcefhsaH8SbbgicFeGhrdnaicu9kmbaHcvfhXarcFbGhrcrhidninas8SbbgHcFbGaitarVhraHcu9kmeascefhsaicrfgic8J9hmbkaXhsxekascefhskarce4cbarceG9R7amfgmhrkdndnaCcsSmbashixekascefhias8SbbgocFeGhHdnaocu9kmbascvfhXaHcFbGhHcrhodninai8SbbgscFbGaotaHVhHascu9kmeaicefhiaocrfgoc8J9hmbkaXhixekaicefhikaHce4cbaHceG9R7amfgmhokdndnadcd9hmbabaPcetfgHaz87ebaHclfao87ebaHcdfar87ebxekabaPcdtfgHazBdbaHcwfaoBdbaHclfarBdbkcdhsavawcdtfazBdbavawcefgwcsGcdtfarBdbcihHavc;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb";
 	var wasm_simd = 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gYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfglaYaLa8ApmwDKYqk8AExm35Ps8E8FgQaQpmbedibedibedibedip9UgYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfhiaXczfgXak6mbkkaHclfgHad6mbkasavcjdfaqad2;8qbbavavcjdfaqcufad2fad;8qbbaqaDfgDae6mbkkcbc99arao9Radcaadca0ESEhokavcj;kbf8Kjjjjbaokwbz:bjjjbk::seHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecje;8kbavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:wPliuo97eue978Jjjjjbca9Rhiaec98Ghldndnadcl9hmbdnalTmbcbhvabhdinadadpbbbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDpxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpkbbadczfhdavclfgval6mbkkalaeSmeaipxbbbbbbbbbbbbbbbbgqpklbaiabalcdtfgdaeciGglcdtgv;8qbbdnalTmbaiaipblbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDaqp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpklbkadaiav;8qbbskdnalTmbcbhvabhdinadczfgxaxpbbbgopxbbbbbbFFbbbbbbFFgkp9oadpbbbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Keczp:Rep9qgoarawp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogrpmwDKYqk8AExm35Ps8E8Fp9qpkbbadaDakp9oaoarpmbezHdiOAlvCXorQLp9qpkbbadcafhdavclfgval6mbkkalaeSmbaiaeciGgvcitgdfcbcaad9R;8kbaiabalcitfglad;8qbbdnavTmbaiaipblzgopxbbbbbbFFbbbbbbFFgkp9oaipblbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Ke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
diff --git a/js/meshopt_encoder.js b/js/meshopt_encoder.js
index 7c0f8697db..e0931ea3e9 100644
--- a/js/meshopt_encoder.js
+++ b/js/meshopt_encoder.js
@@ -3,7 +3,7 @@
 var MeshoptEncoder = (function() {
 	"use strict";
 	// Built with clang version 18.1.2
-	// Built from meshoptimizer 0.20
+	// Built from meshoptimizer 0.21
 	var wasm = "b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G;kekr;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;C9oLdbk;GqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;WFbGgecjdaecjd6Ehqcbhkindndnaiak9nmbaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndnaec9WGgsTmbcbhzaPhHawhOxekdnaxmbalheinaraw9Ram6miawcbamzNjjjbamfhwaecufgembxvkkcbhAaPhOinaDaAfRbbhCaDcjlfheaOhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkaraw9Ram6mdaOcefhOawcbamzNjjjbamfhwaAcefgAal9hmbxlkkindnaxTmbaDazfRbbhCaDcjlfheaHhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkkaraO9Ram6mearaOcbamzNjjjbgLamfgw9RcK6mecbhKaDcjlfhOinaDcjlfaKfhYcwhAczhQceheindndnaegXce9hmbcuhoaYRbbmecbhodninaogecsSmeaecefhoaOaefcefRbbTmbkkcucbaecs6EhoxekaXcethocuaXtc;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcetcuftcu7:Yhvdndncuaicuftcu7:YgoJbbbZMgr:lJbbb9p9DTmbar:Ohwxekcjjjj94hwkcbhicbhDinalclfIdbgrJbbbbJbbjZalIdbgq:lar:lMalcwfIdbgk:lMgr:varJbbbb9BEgrNhxaqarNhrdndnakJbbbb9GTmbaxhqxekJbbjZar:l:tgqaq:maxJbbbb9GEhqJbbjZax:l:tgxax:marJbbbb9GEhrkdndnalcxfIdbgxJbbj:;axJbbj:;9GEgkJbbjZakJbbjZ9FEavNJbbbZJbbb:;axJbbbb9GEMgx:lJbbb9p9DTmbax:Ohmxekcjjjj94hmkdndnaqJbbj:;aqJbbj:;9GEgxJbbjZaxJbbjZ9FEaoNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:OhPxekcjjjj94hPkdndnarJbbj:;arJbbj:;9GEgqJbbjZaqJbbjZ9FEaoNJbbbZJbbb:;arJbbbb9GEMgr:lJbbb9p9DTmbar:Ohsxekcjjjj94hskdndnadcl9hmbabaifgzas86bbazcifam86bbazcdfaw86bbazcefaP86bbxekabaDfgzas87ebazcofam87ebazclfaw87ebazcdfaP87ebkalczfhlaiclfhiaDcwfhDaecufgembkkk;hlld99eud99eudnaeTmbdndncuaicuftcu7:YgvJbbbZMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikaic;8FiGhrinabcofcicdalclfIdb:lalIdb:l9EgialcwfIdb:lalaicdtfIdb:l9EEgialcxfIdb:lalaicdtfIdb:l9EEgiarV87ebdndnJbbj:;JbbjZalaicdtfIdbJbbbb9DEgoalaicd7cdtfIdbJ;Zl:1ZNNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabcdfaq87ebdndnalaicefciGcdtfIdbJ;Zl:1ZNaoNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabaq87ebdndnaoalaicufciGcdtfIdbJ;Zl:1ZNNgoJbbj:;aoJbbj:;9GEgwJbbjZawJbbjZ9FEavNJbbbZJbbb:;aoJbbbb9GEMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikabclfai87ebabcwfhbalczfhlaecufgembkkk:dvdxue998Jjjjjbcjd9Rgo8Kjjjjbadcd4hrdndndndnavcd9hmbadcl6meaohwarhDinawc:CuBdbawclfhwaDcufgDmbkaeTmiadcl6mdarcdthqalhkcbhxinaohwakhDarhminawawydbgPaDydbgscL4cFeGc:cufcbasEgsaPas9kEBdbaDclfhDawclfhwamcufgmmbkakaqfhkaxcefgxaeSmixbkkaeTmdxekaeTmekavcb9hadcl6gqVhzarcdthxavce9hhHcbhdindndndnaHmbaqmdc:CuhDalhwarhminaDawydbgPcL4cFeGc:cufcbaPEgPaDaP9kEhDawclfhwamcufgmmbxdkkc:CuhDazmbaohwalhmarhPinawamydbgscL4cFeGgkc8Aakc8A9kEc:cufcbasEBdbamclfhmawclfhwaPcufgPmbkkaqmbcbhwarhPinaDhmdnavceSmbaoawfydbhmkdndnalawfIdbgOcjjj;8iamai9RcefgmcLt9R::NJbbbZJbbb:;aOJbbbb9GEMgO:lJbbb9p9DTmbaO:Ohsxekcjjjj94hskabawfascFFFrGamcKtVBdbawclfhwaPcufgPmbkkabaxfhbalaxfhladcefgdae9hmbkkaocjdf8Kjjjjbk;HqdCui998Jjjjjbc:qd9Rgv8Kjjjjbavc:Sefcbc;KbzNjjjb8AcbhodnadTmbcbhoaiTmbdnabae9hmbavcuadcdtgradcFFFFi0Ecbyd:m:kjjbHjjjjbbgeBd:SeavceBd:mdaeabarz:tjjjb8Akavc:GefcwfcbBdbav9cb83i:Geavc:Gefaeadaiavc:Sefz:njjjbavyd:Gehwadci9UgDcbyd:m:kjjbHjjjjbbhravc:Sefavyd:mdgqcdtfarBdbavaqcefgkBd:mdarcbaDzNjjjbhxavc:SefakcdtfcuaicdtaicFFFFi0Ecbyd:m:kjjbHjjjjbbgmBdbavaqcdfgPBd:mdawhramhkinakalIdbalarydbgscwascw6Ecdtfc;ebfIdbMUdbarclfhrakclfhkaicufgimbkavc:SefaPcdtfcuaDcdtadcFFFF970Ecbyd:m:kjjbHjjjjbbgPBdbdnadci6mbaehraPhkaDhiinakamarydbcdtfIdbamarclfydbcdtfIdbMamarcwfydbcdtfIdbMUdbarcxfhrakclfhkaicufgimbkkaqcifhoavc;qbfhzavhravyd:KehHavyd:OehOcbhscbhkcbhAcehCinarhXcihQaeakci2gLcdtfgrydbhdarclfydbhqabaAcx2fgicwfarcwfydbgKBdbaiclfaqBdbaiadBdbaxakfce86bbazaKBdwazaqBdlazadBdbaPakcdtfcbBdbdnasTmbcihQaXhiinazaQcdtfaiydbgrBdbaQaraK9harad9haraq9hGGfhQaiclfhiascufgsmbkkaAcefhAcbhsinaOaHaeasaLfcdtfydbcdtgifydbcdtfgKhrawaifgqydbgdhidnadTmbdninarydbakSmearclfhraicufgiTmdxbkkaraKadcdtfc98fydbBdbaqaqydbcufBdbkascefgsci9hmbkdndnaQTmbcuhkJbbbbhYcbhqavyd:KehKavyd:OehLindndnawazaqcdtfydbcdtgsfydbgrmbaqcefhqxekaqcs0hiamasfgdIdbh8AadalcbaqcefgqaiEcdtfIdbalarcwarcw6Ecdtfc;ebfIdbMgEUdbaEa8A:thEarcdthiaLaKasfydbcdtfhrinaParydbgscdtfgdaEadIdbMg8AUdba8AaYaYa8A9DgdEhYasakadEhkarclfhraic98fgimbkkaqaQ9hmbkakcu9hmekaCaD9pmdindnaxaCfRbbmbaChkxdkaDaCcefgC9hmbxikkaQczaQcz6EhsazhraXhzakcu9hmbkkaocdtavc:Seffc98fhrdninaoTmearydbcbyd1:kjjbH:bjjjbbarc98fhraocufhoxbkkavc:qdf8Kjjjjbk;IlevucuaicdtgvaicFFFFi0Egocbyd:m:kjjbHjjjjbbhralalyd9GgwcdtfarBdbalawcefBd9GabarBdbaocbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdlcuadcdtadcFFFFi0Ecbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdwabydbcbavzNjjjb8Aadci9UhDdnadTmbabydbhoaehladhrinaoalydbcdtfgvavydbcefBdbalclfhlarcufgrmbkkdnaiTmbabydbhlabydlhrcbhvaihoinaravBdbarclfhralydbavfhvalclfhlaocufgombkkdnadci6mbabydlhrabydwhvcbhlinaecwfydbhoaeclfydbhdaraeydbcdtfgwawydbgwcefBdbavawcdtfalBdbaradcdtfgdadydbgdcefBdbavadcdtfalBdbaraocdtfgoaoydbgocefBdbavaocdtfalBdbaecxfheaDalcefgl9hmbkkdnaiTmbabydlheabydbhlinaeaeydbalydb9RBdbalclfhlaeclfheaicufgimbkkkQbabaeadaic:01jjbz:mjjjbkQbabaeadaic:C:jjjbz:mjjjbk9DeeuabcFeaicdtzNjjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk;Wkivuo99lu8Jjjjjbc;W;Gb9Rgl8Kjjjjbcbhvalcj;Gbfcbc;KbzNjjjb8AalcuadcdtadcFFFFi0Egocbyd:m:kjjbHjjjjbbgrBdj9GalceBd;G9GalcFFF;7rBdwal9cFFF;7;3FF:;Fb83dbalcFFF97Bd;S9Gal9cFFF;7FFF:;u83d;K9Gaicd4hwdndnadmbJFFuFhDJFFuuhqJFFuuhkJFFuFhxJFFuuhmJFFuFhPxekawcdthsaehzincbhiinalaifgHazaifIdbgDaHIdbgxaxaD9EEUdbalc;K;GbfaifgHaDaHIdbgxaxaD9DEUdbaiclfgicx9hmbkazasfhzavcefgvad9hmbkalIdwhqalId;S9GhDalIdlhkalId;O9GhxalIdbhmalId;K9GhPkdndnadTmbJbbbbJbbjZJbbbbaPam:tgPaPJbbbb9DEgPaxak:tgxaxaP9DEgxaDaq:tgDaDax9DEgD:vaDJbbbb9BEhDawcdthsarhHadhzindndnaDaeIdbam:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcv2c;j:KM;jbGhvdndnaDaeclfIdbak:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcq2cM;j:KMeGavVhvdndnaDaecwfIdbaq:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaHavaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcC2c:KM;j:KdGVBdbaeasfheaHclfhHazcufgzmbkalcbcj;GbzNjjjbhiarhHadheinaiaHydbgzcFrGcx2fgvavydbcefBdbaiazcq4cFrGcx2fgvavydlcefBdlaiazcC4cFrGcx2fgzazydwcefBdwaHclfhHaecufgembxdkkalcbcj;GbzNjjjb8AkcbhHcbhzcbhecbhvinalaHfgiydbhsaiazBdbaicwfgwydbhOawavBdbaiclfgiydbhwaiaeBdbasazfhzaOavfhvawaefheaHcxfgHcj;Gb9hmbkcbhHalaocbyd:m:kjjbHjjjjbbgiBd:e9GdnadTmbabhzinazaHBdbazclfhzadaHcefgH9hmbkabhHadhzinalaraHydbgecdtfydbcFrGcx2fgvavydbgvcefBdbaiavcdtfaeBdbaHclfhHazcufgzmbkaihHadhzinalaraHydbgecdtfydbcq4cFrGcx2fgvavydlgvcefBdlabavcdtfaeBdbaHclfhHazcufgzmbkabhHadhzinalaraHydbgecdtfydbcC4cFrGcx2fgvavydwgvcefBdwaiavcdtfaeBdbaHclfhHazcufgzmbkcbhHinabaiydbcdtfaHBdbaiclfhiadaHcefgH9hmbkkclhidninaic98Smealcj;Gbfaifydbcbyd1:kjjbH:bjjjbbaic98fhixbkkalc;W;Gbf8Kjjjjbk9teiucbcbyd:q:kjjbgeabcifc98GfgbBd:q:kjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd:q:kjjbgeabcrfc94GfgbBd:q:kjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd:q:kjjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd:q:kjjbfgdBd:q:kjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akkk:Iddbcjwk:edb4:h9w9N94:P:gW:j9O:ye9Pbbbbbbebbbdbbbebbbdbbbbbbbdbbbbbbbebbbbbbb:l29hZ;69:9kZ;N;76Z;rg97Z;z;o9xZ8J;B85Z;:;u9yZ;b;k9HZ:2;Z9DZ9e:l9mZ59A8KZ:r;T3Z:A:zYZ79OHZ;j4::8::Y:D9V8:bbbb9s:49:Z8R:hBZ9M9M;M8:L;z;o8:;8:PG89q;x:J878R:hQ8::M:B;e87bbbbbbjZbbjZbbjZ:E;V;N8::Y:DsZ9i;H;68:xd;R8:;h0838:;W:NoZbbbb:WV9O8:uf888:9i;H;68:9c9G;L89;n;m9m89;D8Ko8:bbbbf:8tZ9m836ZS:2AZL;zPZZ818EZ9e:lxZ;U98F8:819E;68:bc:eqkzebbbebbbdbbbaWbb";
 
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
diff --git a/js/meshopt_encoder.module.js b/js/meshopt_encoder.module.js
index c2b7efd88d..b95c1b6d29 100644
--- a/js/meshopt_encoder.module.js
+++ b/js/meshopt_encoder.module.js
@@ -2,7 +2,7 @@
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptEncoder = (function() {
 	// Built with clang version 18.1.2
-	// Built from meshoptimizer 0.20
+	// Built from meshoptimizer 0.21
 	var wasm = "b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G;kekr;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;C9oLdbk;GqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;WFbGgecjdaecjd6Ehqcbhkindndnaiak9nmbaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndnaec9WGgsTmbcbhzaPhHawhOxekdnaxmbalheinaraw9Ram6miawcbamzNjjjbamfhwaecufgembxvkkcbhAaPhOinaDaAfRbbhCaDcjlfheaOhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkaraw9Ram6mdaOcefhOawcbamzNjjjbamfhwaAcefgAal9hmbxlkkindnaxTmbaDazfRbbhCaDcjlfheaHhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkkaraO9Ram6mearaOcbamzNjjjbgLamfgw9RcK6mecbhKaDcjlfhOinaDcjlfaKfhYcwhAczhQceheindndnaegXce9hmbcuhoaYRbbmecbhodninaogecsSmeaecefhoaOaefcefRbbTmbkkcucbaecs6EhoxekaXcethocuaXtc;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcetcuftcu7:Yhvdndncuaicuftcu7:YgoJbbbZMgr:lJbbb9p9DTmbar:Ohwxekcjjjj94hwkcbhicbhDinalclfIdbgrJbbbbJbbjZalIdbgq:lar:lMalcwfIdbgk:lMgr:varJbbbb9BEgrNhxaqarNhrdndnakJbbbb9GTmbaxhqxekJbbjZar:l:tgqaq:maxJbbbb9GEhqJbbjZax:l:tgxax:marJbbbb9GEhrkdndnalcxfIdbgxJbbj:;axJbbj:;9GEgkJbbjZakJbbjZ9FEavNJbbbZJbbb:;axJbbbb9GEMgx:lJbbb9p9DTmbax:Ohmxekcjjjj94hmkdndnaqJbbj:;aqJbbj:;9GEgxJbbjZaxJbbjZ9FEaoNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:OhPxekcjjjj94hPkdndnarJbbj:;arJbbj:;9GEgqJbbjZaqJbbjZ9FEaoNJbbbZJbbb:;arJbbbb9GEMgr:lJbbb9p9DTmbar:Ohsxekcjjjj94hskdndnadcl9hmbabaifgzas86bbazcifam86bbazcdfaw86bbazcefaP86bbxekabaDfgzas87ebazcofam87ebazclfaw87ebazcdfaP87ebkalczfhlaiclfhiaDcwfhDaecufgembkkk;hlld99eud99eudnaeTmbdndncuaicuftcu7:YgvJbbbZMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikaic;8FiGhrinabcofcicdalclfIdb:lalIdb:l9EgialcwfIdb:lalaicdtfIdb:l9EEgialcxfIdb:lalaicdtfIdb:l9EEgiarV87ebdndnJbbj:;JbbjZalaicdtfIdbJbbbb9DEgoalaicd7cdtfIdbJ;Zl:1ZNNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabcdfaq87ebdndnalaicefciGcdtfIdbJ;Zl:1ZNaoNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabaq87ebdndnaoalaicufciGcdtfIdbJ;Zl:1ZNNgoJbbj:;aoJbbj:;9GEgwJbbjZawJbbjZ9FEavNJbbbZJbbb:;aoJbbbb9GEMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikabclfai87ebabcwfhbalczfhlaecufgembkkk:dvdxue998Jjjjjbcjd9Rgo8Kjjjjbadcd4hrdndndndnavcd9hmbadcl6meaohwarhDinawc:CuBdbawclfhwaDcufgDmbkaeTmiadcl6mdarcdthqalhkcbhxinaohwakhDarhminawawydbgPaDydbgscL4cFeGc:cufcbasEgsaPas9kEBdbaDclfhDawclfhwamcufgmmbkakaqfhkaxcefgxaeSmixbkkaeTmdxekaeTmekavcb9hadcl6gqVhzarcdthxavce9hhHcbhdindndndnaHmbaqmdc:CuhDalhwarhminaDawydbgPcL4cFeGc:cufcbaPEgPaDaP9kEhDawclfhwamcufgmmbxdkkc:CuhDazmbaohwalhmarhPinawamydbgscL4cFeGgkc8Aakc8A9kEc:cufcbasEBdbamclfhmawclfhwaPcufgPmbkkaqmbcbhwarhPinaDhmdnavceSmbaoawfydbhmkdndnalawfIdbgOcjjj;8iamai9RcefgmcLt9R::NJbbbZJbbb:;aOJbbbb9GEMgO:lJbbb9p9DTmbaO:Ohsxekcjjjj94hskabawfascFFFrGamcKtVBdbawclfhwaPcufgPmbkkabaxfhbalaxfhladcefgdae9hmbkkaocjdf8Kjjjjbk;HqdCui998Jjjjjbc:qd9Rgv8Kjjjjbavc:Sefcbc;KbzNjjjb8AcbhodnadTmbcbhoaiTmbdnabae9hmbavcuadcdtgradcFFFFi0Ecbyd:m:kjjbHjjjjbbgeBd:SeavceBd:mdaeabarz:tjjjb8Akavc:GefcwfcbBdbav9cb83i:Geavc:Gefaeadaiavc:Sefz:njjjbavyd:Gehwadci9UgDcbyd:m:kjjbHjjjjbbhravc:Sefavyd:mdgqcdtfarBdbavaqcefgkBd:mdarcbaDzNjjjbhxavc:SefakcdtfcuaicdtaicFFFFi0Ecbyd:m:kjjbHjjjjbbgmBdbavaqcdfgPBd:mdawhramhkinakalIdbalarydbgscwascw6Ecdtfc;ebfIdbMUdbarclfhrakclfhkaicufgimbkavc:SefaPcdtfcuaDcdtadcFFFF970Ecbyd:m:kjjbHjjjjbbgPBdbdnadci6mbaehraPhkaDhiinakamarydbcdtfIdbamarclfydbcdtfIdbMamarcwfydbcdtfIdbMUdbarcxfhrakclfhkaicufgimbkkaqcifhoavc;qbfhzavhravyd:KehHavyd:OehOcbhscbhkcbhAcehCinarhXcihQaeakci2gLcdtfgrydbhdarclfydbhqabaAcx2fgicwfarcwfydbgKBdbaiclfaqBdbaiadBdbaxakfce86bbazaKBdwazaqBdlazadBdbaPakcdtfcbBdbdnasTmbcihQaXhiinazaQcdtfaiydbgrBdbaQaraK9harad9haraq9hGGfhQaiclfhiascufgsmbkkaAcefhAcbhsinaOaHaeasaLfcdtfydbcdtgifydbcdtfgKhrawaifgqydbgdhidnadTmbdninarydbakSmearclfhraicufgiTmdxbkkaraKadcdtfc98fydbBdbaqaqydbcufBdbkascefgsci9hmbkdndnaQTmbcuhkJbbbbhYcbhqavyd:KehKavyd:OehLindndnawazaqcdtfydbcdtgsfydbgrmbaqcefhqxekaqcs0hiamasfgdIdbh8AadalcbaqcefgqaiEcdtfIdbalarcwarcw6Ecdtfc;ebfIdbMgEUdbaEa8A:thEarcdthiaLaKasfydbcdtfhrinaParydbgscdtfgdaEadIdbMg8AUdba8AaYaYa8A9DgdEhYasakadEhkarclfhraic98fgimbkkaqaQ9hmbkakcu9hmekaCaD9pmdindnaxaCfRbbmbaChkxdkaDaCcefgC9hmbxikkaQczaQcz6EhsazhraXhzakcu9hmbkkaocdtavc:Seffc98fhrdninaoTmearydbcbyd1:kjjbH:bjjjbbarc98fhraocufhoxbkkavc:qdf8Kjjjjbk;IlevucuaicdtgvaicFFFFi0Egocbyd:m:kjjbHjjjjbbhralalyd9GgwcdtfarBdbalawcefBd9GabarBdbaocbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdlcuadcdtadcFFFFi0Ecbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdwabydbcbavzNjjjb8Aadci9UhDdnadTmbabydbhoaehladhrinaoalydbcdtfgvavydbcefBdbalclfhlarcufgrmbkkdnaiTmbabydbhlabydlhrcbhvaihoinaravBdbarclfhralydbavfhvalclfhlaocufgombkkdnadci6mbabydlhrabydwhvcbhlinaecwfydbhoaeclfydbhdaraeydbcdtfgwawydbgwcefBdbavawcdtfalBdbaradcdtfgdadydbgdcefBdbavadcdtfalBdbaraocdtfgoaoydbgocefBdbavaocdtfalBdbaecxfheaDalcefgl9hmbkkdnaiTmbabydlheabydbhlinaeaeydbalydb9RBdbalclfhlaeclfheaicufgimbkkkQbabaeadaic:01jjbz:mjjjbkQbabaeadaic:C:jjjbz:mjjjbk9DeeuabcFeaicdtzNjjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk;Wkivuo99lu8Jjjjjbc;W;Gb9Rgl8Kjjjjbcbhvalcj;Gbfcbc;KbzNjjjb8AalcuadcdtadcFFFFi0Egocbyd:m:kjjbHjjjjbbgrBdj9GalceBd;G9GalcFFF;7rBdwal9cFFF;7;3FF:;Fb83dbalcFFF97Bd;S9Gal9cFFF;7FFF:;u83d;K9Gaicd4hwdndnadmbJFFuFhDJFFuuhqJFFuuhkJFFuFhxJFFuuhmJFFuFhPxekawcdthsaehzincbhiinalaifgHazaifIdbgDaHIdbgxaxaD9EEUdbalc;K;GbfaifgHaDaHIdbgxaxaD9DEUdbaiclfgicx9hmbkazasfhzavcefgvad9hmbkalIdwhqalId;S9GhDalIdlhkalId;O9GhxalIdbhmalId;K9GhPkdndnadTmbJbbbbJbbjZJbbbbaPam:tgPaPJbbbb9DEgPaxak:tgxaxaP9DEgxaDaq:tgDaDax9DEgD:vaDJbbbb9BEhDawcdthsarhHadhzindndnaDaeIdbam:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcv2c;j:KM;jbGhvdndnaDaeclfIdbak:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcq2cM;j:KMeGavVhvdndnaDaecwfIdbaq:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaHavaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcC2c:KM;j:KdGVBdbaeasfheaHclfhHazcufgzmbkalcbcj;GbzNjjjbhiarhHadheinaiaHydbgzcFrGcx2fgvavydbcefBdbaiazcq4cFrGcx2fgvavydlcefBdlaiazcC4cFrGcx2fgzazydwcefBdwaHclfhHaecufgembxdkkalcbcj;GbzNjjjb8AkcbhHcbhzcbhecbhvinalaHfgiydbhsaiazBdbaicwfgwydbhOawavBdbaiclfgiydbhwaiaeBdbasazfhzaOavfhvawaefheaHcxfgHcj;Gb9hmbkcbhHalaocbyd:m:kjjbHjjjjbbgiBd:e9GdnadTmbabhzinazaHBdbazclfhzadaHcefgH9hmbkabhHadhzinalaraHydbgecdtfydbcFrGcx2fgvavydbgvcefBdbaiavcdtfaeBdbaHclfhHazcufgzmbkaihHadhzinalaraHydbgecdtfydbcq4cFrGcx2fgvavydlgvcefBdlabavcdtfaeBdbaHclfhHazcufgzmbkabhHadhzinalaraHydbgecdtfydbcC4cFrGcx2fgvavydwgvcefBdwaiavcdtfaeBdbaHclfhHazcufgzmbkcbhHinabaiydbcdtfaHBdbaiclfhiadaHcefgH9hmbkkclhidninaic98Smealcj;Gbfaifydbcbyd1:kjjbH:bjjjbbaic98fhixbkkalc;W;Gbf8Kjjjjbk9teiucbcbyd:q:kjjbgeabcifc98GfgbBd:q:kjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd:q:kjjbgeabcrfc94GfgbBd:q:kjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd:q:kjjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd:q:kjjbfgdBd:q:kjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akkk:Iddbcjwk:edb4:h9w9N94:P:gW:j9O:ye9Pbbbbbbebbbdbbbebbbdbbbbbbbdbbbbbbbebbbbbbb:l29hZ;69:9kZ;N;76Z;rg97Z;z;o9xZ8J;B85Z;:;u9yZ;b;k9HZ:2;Z9DZ9e:l9mZ59A8KZ:r;T3Z:A:zYZ79OHZ;j4::8::Y:D9V8:bbbb9s:49:Z8R:hBZ9M9M;M8:L;z;o8:;8:PG89q;x:J878R:hQ8::M:B;e87bbbbbbjZbbjZbbjZ:E;V;N8::Y:DsZ9i;H;68:xd;R8:;h0838:;W:NoZbbbb:WV9O8:uf888:9i;H;68:9c9G;L89;n;m9m89;D8Ko8:bbbbf:8tZ9m836ZS:2AZL;zPZZ818EZ9e:lxZ;U98F8:819E;68:bc:eqkzebbbebbbdbbbaWbb";
 
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 73590683ac..97f17e55d7 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -3,8 +3,8 @@
 var MeshoptSimplifier = (function() {
 	"use strict";
 	// Built with clang version 18.1.2
-	// Built from meshoptimizer 0.20
-	var wasm = 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fhKaEcufgEmbkka8JcwfhKdndndndna3aAfgLRbbc9: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:cjjjbkdnaPTmbaPa8Z:rUdbkasyd2gzcdtascxffc98fhXdninazTmeaXydbcbyd;S1jjbH:bjjjbbaXc98fhXazcufhzxbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk:2ldouv998Jjjjjbca9RglcFFF;7rBd3al9cFFF;7;3FF:;Fb83dCalcFFF97Bdzal9cFFF;7FFF:;u83dwdnadTmbaicd4hvdnabTmbavcdthocbhraehwinabarcx2fgiaearav2cdtfgDIdbUdbaiaDIdlUdlaiaDIdwUdwcbhiinalcCfaifgDawaifIdbgqaDIdbgkakaq9EEUdbalcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkawaofhwarcefgrad9hmbxdkkavcdthrcbhwincbhiinalcCfaifgDaeaifIdbgqaDIdbgkakaq9EEUdbalcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkaearfheawcefgwad9hmbkkdnabTmbadTmbJbbbbJbbjZJbbbbalIdwalIdCgk:tgqaqJbbbb9DEgqalIdxalIdKgx:tgmamaq9DEgqalIdzalId3gm:tgPaPaq9DEgq:vaqJbbbb9BEhqinabaqabIdbak:tNUdbabclfgiaqaiIdbax:tNUdbabcwfgiaqaiIdbam:tNUdbabcxfhbadcufgdmbkkk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;0Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;O1jjbHjjjjbbgqBdxawceBd2aqaeadaiz:djjjbawcuadcdtadcFFFFi0Egkcbyd;O1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;O1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;O1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;O1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;O1jjbHjjjjbbgeBdaawcoBd2awaicbyd;O1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;S1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb";
+	// Built from meshoptimizer 0.21
+	var wasm = 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IdwJbb;aZNhRkdna8RaR9ETmbada9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaga8Acx2fgKcwfhyaKclfh8Eaga9rcx2fgacwfhmaaclfhrcbhCcehYdnindna3aeydbcdtfydbgXa8ASmba3aeclfydbcdtfydbgLa8ASmbaXaLSmbagaLcx2fgLIdbagaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNaaIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb";
 
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index 5b540a4a52..54785ca84a 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -2,8 +2,8 @@
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptSimplifier = (function() {
 	// Built with clang version 18.1.2
-	// Built from meshoptimizer 0.20
-	var wasm = 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fhKaEcufgEmbkka8JcwfhKdndndndna3aAfgLRbbc9: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:cjjjbkdnaPTmbaPa8Z:rUdbkasyd2gzcdtascxffc98fhXdninazTmeaXydbcbyd;S1jjbH:bjjjbbaXc98fhXazcufhzxbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk:2ldouv998Jjjjjbca9RglcFFF;7rBd3al9cFFF;7;3FF:;Fb83dCalcFFF97Bdzal9cFFF;7FFF:;u83dwdnadTmbaicd4hvdnabTmbavcdthocbhraehwinabarcx2fgiaearav2cdtfgDIdbUdbaiaDIdlUdlaiaDIdwUdwcbhiinalcCfaifgDawaifIdbgqaDIdbgkakaq9EEUdbalcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkawaofhwarcefgrad9hmbxdkkavcdthrcbhwincbhiinalcCfaifgDaeaifIdbgqaDIdbgkakaq9EEUdbalcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkaearfheawcefgwad9hmbkkdnabTmbadTmbJbbbbJbbjZJbbbbalIdwalIdCgk:tgqaqJbbbb9DEgqalIdxalIdKgx:tgmamaq9DEgqalIdzalId3gm:tgPaPaq9DEgq:vaqJbbbb9BEhqinabaqabIdbak:tNUdbabclfgiaqaiIdbax:tNUdbabcwfgiaqaiIdbam:tNUdbabcxfhbadcufgdmbkkk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;0Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;O1jjbHjjjjbbgqBdxawceBd2aqaeadaiz:djjjbawcuadcdtadcFFFFi0Egkcbyd;O1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;O1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;O1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;O1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;O1jjbHjjjjbbgeBdaawcoBd2awaicbyd;O1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;S1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb";
+	// Built from meshoptimizer 0.21
+	var wasm = 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dbg8X:tg8Ra8RNaKIdlaiIdlg8V:tg8Ua8UNMM:rgIJbbbb9ETmbaRaI:vhRa8UaI:vh8Ua8RaI:vh8RkJbbacJbbacJbbjZaeceSEaLceSEh80dnagaQaCc:e1jjbfydbcdtfydbcx2fgeIdwa8S:tg8WaRa8WaRNaeIdba8X:tg81a8RNa8UaeIdla8V:tg8ZNMMg8YN:tg8Wa8WNa81a8Ra8YN:tgRaRNa8Za8Ua8YN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOa8Acdtfydbc8S2fgeaRa80aINg8UaRNNg8YaeIdbMUdbaea8Ra8Ua8RNg80Ng81aeIdlMUdlaea8Wa8Ua8WNgINg8ZaeIdwMUdwaea80aRNg80aeIdxMUdxaeaIaRNgBaeIdzMUdzaeaIa8RNg83aeIdCMUdCaeaRa8Ua8Wa8SNaRa8XNa8Va8RNMM:mg8SNgINgRaeIdKMUdKaea8RaINg8RaeId3MUd3aea8WaINg8WaeIdaMUdaaeaIa8SNgIaeId8KMUd8Kaea8UaeIdyMUdya8KaOaXcdtfydbc8S2fgea8YaeIdbMUdbaea81aeIdlMUdlaea8ZaeIdwMUdwaea80aeIdxMUdxaeaBaeIdzMUdzaea83aeIdCMUdCaeaRaeIdKMUdKaea8RaeId3MUd3aea8WaeIdaMUdaaeaIaeId8KMUd8Kaea8UaeIdyMUdykaCclfgCcx9hmbkaYcxfhYa8Jcifg8Jad6mbkaDTmbcbhYinJbbbbh8XagabaYcdtfgeclfydbgKcx2fgCIdwagaeydbgicx2fgXIdwg8Z:tg8Ra8RNaCIdbaXIdbgB:tg8Wa8WNaCIdlaXIdlg83:tg8Ua8UNMMg80agaecwfydbg8Jcx2fgeIdwa8Z:tgINa8Ra8RaINa8WaeIdbaB:tg8SNa8UaeIdla83:tg8VNMMgRN:tJbbbbJbbjZa80aIaINa8Sa8SNa8Va8VNMMg81NaRaRN:tg8Y:va8YJbbbb9BEg8YNhUa81a8RNaIaRN:ta8YNh85a80a8VNa8UaRN:ta8YNh86a81a8UNa8VaRN:ta8YNh87a80a8SNa8WaRN:ta8YNh88a81a8WNa8SaRN:ta8YNh89a8Wa8VNa8Sa8UN:tgRaRNa8UaINa8Va8RN:tgRaRNa8Ra8SNaIa8WN:tgRaRNMM:r:rhRavaiaD2cdtfhCava8JaD2cdtfhXavaKaD2cdtfh8Aa8Z:mh8:a83:mhZaB:mhncbhLaDhQJbbbbh8VJbbbbh8YJbbbbh80Jbbbbh81Jbbbbh8ZJbbbbhBJbbbbh83JbbbbhcJbbbbh9cinasc;WbfaLfgecwfaRa85a8AIdbaCIdbgI:tg8UNaUaXIdbaI:tg8SNMg8RNUdbaeclfaRa87a8UNa86a8SNMg8WNUdbaeaRa89a8UNa88a8SNMg8UNUdbaecxfaRa8: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;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkawaKaD2cltfhQcbhCaDh8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkawaiaD2cltfhQcbhCaDh8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkaYcifgYad6mbkkasydlhJcbhednalTmbaJclfheaJydbh8AaAhCalhLcbhXincbaeydbgQa8A9RaCRbbcpeGEaXfhXaCcefhCaeclfheaQh8AaLcufgLmbkaXce4hekcuadae9Rcifg8Lcx2a8Lc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhhascxfasyd2gecdtfahBdbasaecefgCBd2ascxfaCcdtfcua8Lcdta8LcFFFFi0Ecbyd;S1jjbHjjjjbbgzBdbasaecdfgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbg3BdbasaecifgCBd2ascxfaCcdtfalcbyd;S1jjbHjjjjbbg9eBdbasaeclfBd2a8PJbbjZamclGEhcJbbbbh83dnadak9nmbdna8Lci6mbaxaxNacacN:vhBaDclthTahcwfhSJbbbbh83inasclfabadgoalaOz:cjjjbabhicbhEcbhyinabaycdtfh8JcbheindnaOaiaefydbgXcdtgKfydbg8AaOa8Jaec:S1jjbfydbcdtfydbgCcdtfydbgLSmbaAaCfRbbgYcv2aAaXfRbbgQfc;a1jjbfRbbgaaQcv2aYfg5c;a1jjbfRbbgdVcFeGTmbdnaLa8A9nmba5c:q1jjbfRbbcFeGmekdnaQaY9hmbaQcufcFeGce0mba8MaKfydbaC9hmekahaEcx2fg8AaCaXadcFeGgLEBdla8AaXaCaLEBdba8AaLaaGcb9hBdwaEcefhEkaeclfgecx9hmbkdnaycifgyao9pmbaicxfhiaEcifa8L9nmekkdnaEmbaohdxikcbhYinJbbbbJbbjZa8KaOahaYcx2fg8AydlgLa8AydbgQa8AydwgCEgicdtfydbgac8S2gdfgeIdygR:vaRJbbbb9BEaeIdwagaQaLaCEgKcx2fgCIdwg8UNaeIdzaCIdbgINaeIdaMgRaRMMa8UNaeIdlaCIdlg8SNaeIdCa8UNaeId3MgRaRMMa8SNaeIdbaINaeIdxa8SNaeIdKMgRaRMMaINaeId8KMMM:lNh80JbbbbJbbjZa8KaOaQcdtfydbgyc8S2gXfgeIdygR:vaRJbbbb9BEaeIdwagaLcx2fgCIdwg8WNaeIdzaCIdbg8XNaeIdaMgRaRMMa8WNaeIdlaCIdlg8VNaeIdCa8WNaeId3MgRaRMMa8VNaeIdba8XNaeIdxa8VNaeIdKMgRaRMMa8XNaeId8KMMM:lNh81a8Acwfh8Ja8Aclfh5dnaDTmbaqaXfgXIdwa8WNaXIdza8XNaXIdaMgRaRMMa8WNaXIdla8VNaXIdCa8WNaXId3MgRaRMMa8VNaXIdba8XNaXIdxa8VNaXIdKMgRaRMMa8XNaXId8KMMMh8RavaLaD2cdtfhCawayaD2cltfheaXIdyh8YaDhXinaCIdbgRJbbb;aNaecxfIdba8WaecwfIdbNa8XaeIdbNa8VaeclfIdbNMMMNaRaRNa8YNa8RMMh8RaCclfhCaeczfheaXcufgXmbkaqadfgXIdwa8UNaXIdzaINaXIdaMgRaRMMa8UNaXIdla8SNaXIdCa8UNaXId3MgRaRMMa8SNaXIdbaINaXIdxa8SNaXIdKMgRaRMMaINaXId8KMMMh8WavaKaD2cdtfhCawaaaD2cltfheaXIdyh8XaDhXinaCIdbgRJbbb;aNaecxfIdba8UaecwfIdbNaIaeIdbNa8SaeclfIdbNMMMNaRaRNa8XNa8WMMh8WaCclfhCaeczfheaXcufgXmbka80a8W:lMh80a81a8R:lMh81ka5aLaKa81a809FgeEBdba8AaQaiaeEBdba8Ja81a80aeEUdbaYcefgYaE9hmbkasc;Wbfcbcj;abz:ljjjb8AaSheaEhCinasc;WbfaeydbcO4c;8ZGfgXaXydbcefBdbaecxfheaCcufgCmbkcbhecbhCinasc;WbfaefgXydbh8AaXaCBdba8AaCfhCaeclfgecj;ab9hmbkcbheaShCinasc;WbfaCydbcO4c;8ZGfgXaXydbgXcefBdbazaXcdtfaeBdbaCcxfhCaEaecefge9hmbkaoak9RgXci9Uh9hdnalTmbcbhea3hCinaCaeBdbaCclfhCalaecefge9hmbkkcbh9ia9ecbalz:ljjjbh6aXcO9Uh9ka9hce4h0asydwh9mcbhdcbh5dninahaza5cdtfydbcx2fg8JIdwg8RaB9Emeada9h9pmeJFFuuhRdna0aE9pmbahaza0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbada9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaga8Acx2fgKcwfhyaKclfh8Eaga9rcx2fgacwfhmaaclfhrcbhCcehYdnindna3aeydbcdtfydbgXa8ASmba3aeclfydbcdtfydbgLa8ASmbaXaLSmbagaLcx2fgLIdbagaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNaaIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb";
 
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 
diff --git a/js/package.json b/js/package.json
index 3b355ca287..f06429a144 100644
--- a/js/package.json
+++ b/js/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "meshoptimizer",
-	"version": "0.20.0",
+	"version": "0.21.0",
 	"description": "Mesh optimizaiton library that makes meshes smaller and faster to render",
 	"author": "Arseny Kapoulkine",
 	"license": "MIT",
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index c6a1367b44..6c8dcd7e86 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -1,5 +1,5 @@
 /**
- * meshoptimizer - version 0.20
+ * meshoptimizer - version 0.21
  *
  * Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
  * Report bugs and download new versions at https://github.com/zeux/meshoptimizer
@@ -12,7 +12,7 @@
 #include <stddef.h>
 
 /* Version macro; major * 1000 + minor * 10 + patch */
-#define MESHOPTIMIZER_VERSION 200 /* 0.20 */
+#define MESHOPTIMIZER_VERSION 210 /* 0.21 */
 
 /* If no API is defined, assume default */
 #ifndef MESHOPTIMIZER_API

From 47aafa533b439a78b53cd2854c177db61be7e666 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 25 Jun 2024 10:16:03 -0700
Subject: [PATCH 134/581] js: Adjust simplify/simplifyWithAttributes assertions

To make ErrorAbsolute mode useful in JS, it needs to allow values
outside of 0..1 range; for simplicity we just remove the upper bound for
now.

Also, previously flags could contain values that are not recognized as
valid options and this would silently work; these are now checked with
assertions to prevent mistakes.
---
 js/meshopt_simplifier.js        | 6 ++++--
 js/meshopt_simplifier.module.js | 6 ++++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 97f17e55d7..77e09e5666 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -183,10 +183,11 @@ var MeshoptSimplifier = (function() {
 			assert(vertex_positions_stride >= 3);
 			assert(target_index_count >= 0 && target_index_count <= indices.length);
 			assert(target_index_count % 3 == 0);
-			assert(target_error >= 0 && target_error <= 1);
+			assert(target_error >= 0);
 
 			var options = 0;
 			for (var i = 0; i < (flags ? flags.length : 0); ++i) {
+				assert(flags[i] in simplifyOptions);
 				options |= simplifyOptions[flags[i]];
 			}
 
@@ -210,13 +211,14 @@ var MeshoptSimplifier = (function() {
 			assert(vertex_lock == null || vertex_lock.length == vertex_positions.length);
 			assert(target_index_count >= 0 && target_index_count <= indices.length);
 			assert(target_index_count % 3 == 0);
-			assert(target_error >= 0 && target_error <= 1);
+			assert(target_error >= 0);
 			assert(Array.isArray(attribute_weights));
 			assert(vertex_attributes_stride >= attribute_weights.length);
 			assert(attribute_weights.length <= 16);
 
 			var options = 0;
 			for (var i = 0; i < (flags ? flags.length : 0); ++i) {
+				assert(flags[i] in simplifyOptions);
 				options |= simplifyOptions[flags[i]];
 			}
 
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index 54785ca84a..5d4cd66524 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -182,10 +182,11 @@ var MeshoptSimplifier = (function() {
 			assert(vertex_positions_stride >= 3);
 			assert(target_index_count >= 0 && target_index_count <= indices.length);
 			assert(target_index_count % 3 == 0);
-			assert(target_error >= 0 && target_error <= 1);
+			assert(target_error >= 0);
 
 			var options = 0;
 			for (var i = 0; i < (flags ? flags.length : 0); ++i) {
+				assert(flags[i] in simplifyOptions);
 				options |= simplifyOptions[flags[i]];
 			}
 
@@ -209,13 +210,14 @@ var MeshoptSimplifier = (function() {
 			assert(vertex_lock == null || vertex_lock.length == vertex_positions.length);
 			assert(target_index_count >= 0 && target_index_count <= indices.length);
 			assert(target_index_count % 3 == 0);
-			assert(target_error >= 0 && target_error <= 1);
+			assert(target_error >= 0);
 			assert(Array.isArray(attribute_weights));
 			assert(vertex_attributes_stride >= attribute_weights.length);
 			assert(attribute_weights.length <= 16);
 
 			var options = 0;
 			for (var i = 0; i < (flags ? flags.length : 0); ++i) {
+				assert(flags[i] in simplifyOptions);
 				options |= simplifyOptions[flags[i]];
 			}
 

From 9214ca8a9ad703d204ab7376fe40fef8065ae492 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 29 Jun 2024 10:59:57 -0700
Subject: [PATCH 135/581] Allow overriding MESHOPTIMIZER_EXPERIMENTAL
 externally

Similarly to MESHOPTIMIZER_API, we now define MESHOPTIMIZER_EXPERIMENTAL
only if an existing definition is absent.

This allows, for example, setting this to a deprecated attribute which
still compiles the library itself cleanly, but will warn for any use of
experimental APIs for dependent code. Another interesting use case is
building .so where the experimental symbols are not exported, which
usually results in an ABI stable interface.
---
 src/meshoptimizer.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 6c8dcd7e86..cb3745a2cc 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -29,7 +29,9 @@
 #endif
 
 /* Experimental APIs have unstable interface and might have implementation that's not fully tested or optimized */
+#ifndef MESHOPTIMIZER_EXPERIMENTAL
 #define MESHOPTIMIZER_EXPERIMENTAL MESHOPTIMIZER_API
+#endif
 
 /* C interface */
 #ifdef __cplusplus

From 54511f2dd7a0f6259520a279c3d8d05f86e9418e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 1 Jul 2024 12:48:54 -0700
Subject: [PATCH 136/581] js: Change TypeScript sources to use tabs for
 consistency

This matches most JS source in this repository.
---
 js/meshopt_decoder.module.d.ts    | 18 +++++++++---------
 js/meshopt_encoder.module.d.ts    | 24 ++++++++++++------------
 js/meshopt_simplifier.module.d.ts | 20 ++++++++++----------
 3 files changed, 31 insertions(+), 31 deletions(-)

diff --git a/js/meshopt_decoder.module.d.ts b/js/meshopt_decoder.module.d.ts
index 8546a2f41a..667dfb7be4 100644
--- a/js/meshopt_decoder.module.d.ts
+++ b/js/meshopt_decoder.module.d.ts
@@ -1,15 +1,15 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 export const MeshoptDecoder: {
-    supported: boolean;
-    ready: Promise<void>;
-    
-    decodeVertexBuffer: (target: Uint8Array, count: number, size: number, source: Uint8Array, filter?: string) => void;
-    decodeIndexBuffer: (target: Uint8Array, count: number, size: number, source: Uint8Array) => void;
-    decodeIndexSequence: (target: Uint8Array, count: number, size: number, source: Uint8Array) => void;
+	supported: boolean;
+	ready: Promise<void>;
 
-    decodeGltfBuffer: (target: Uint8Array, count: number, size: number, source: Uint8Array, mode: string, filter?: string) => void;
+	decodeVertexBuffer: (target: Uint8Array, count: number, size: number, source: Uint8Array, filter?: string) => void;
+	decodeIndexBuffer: (target: Uint8Array, count: number, size: number, source: Uint8Array) => void;
+	decodeIndexSequence: (target: Uint8Array, count: number, size: number, source: Uint8Array) => void;
 
-    useWorkers: (count: number) => void;
-    decodeGltfBufferAsync: (count: number, size: number, source: Uint8Array, mode: string, filter?: string) => Promise<Uint8Array>;
+	decodeGltfBuffer: (target: Uint8Array, count: number, size: number, source: Uint8Array, mode: string, filter?: string) => void;
+
+	useWorkers: (count: number) => void;
+	decodeGltfBufferAsync: (count: number, size: number, source: Uint8Array, mode: string, filter?: string) => Promise<Uint8Array>;
 };
diff --git a/js/meshopt_encoder.module.d.ts b/js/meshopt_encoder.module.d.ts
index 4855326aff..49000dfcff 100644
--- a/js/meshopt_encoder.module.d.ts
+++ b/js/meshopt_encoder.module.d.ts
@@ -1,19 +1,19 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 export const MeshoptEncoder: {
-    supported: boolean;
-    ready: Promise<void>;
+	supported: boolean;
+	ready: Promise<void>;
 
-    reorderMesh: (indices: Uint32Array, triangles: boolean, optsize: boolean) => [Uint32Array, number];
-    reorderPoints: (positions: Float32Array, positions_stride: number) => Uint32Array;
-    
-    encodeVertexBuffer: (source: Uint8Array, count: number, size: number) => Uint8Array;
-    encodeIndexBuffer: (source: Uint8Array, count: number, size: number) => Uint8Array;
-    encodeIndexSequence: (source: Uint8Array, count: number, size: number) => Uint8Array;
+	reorderMesh: (indices: Uint32Array, triangles: boolean, optsize: boolean) => [Uint32Array, number];
+	reorderPoints: (positions: Float32Array, positions_stride: number) => Uint32Array;
 
-    encodeGltfBuffer: (source: Uint8Array, count: number, size: number, mode: string) => Uint8Array;
+	encodeVertexBuffer: (source: Uint8Array, count: number, size: number) => Uint8Array;
+	encodeIndexBuffer: (source: Uint8Array, count: number, size: number) => Uint8Array;
+	encodeIndexSequence: (source: Uint8Array, count: number, size: number) => Uint8Array;
 
-    encodeFilterOct: (source: Float32Array, count: number, stride: number, bits: number) => Uint8Array;
-    encodeFilterQuat: (source: Float32Array, count: number, stride: number, bits: number) => Uint8Array;
-    encodeFilterExp: (source: Float32Array, count: number, stride: number, bits: number, mode?: "Separate" | "SharedVector" | "SharedComponent") => Uint8Array;
+	encodeGltfBuffer: (source: Uint8Array, count: number, size: number, mode: string) => Uint8Array;
+
+	encodeFilterOct: (source: Float32Array, count: number, stride: number, bits: number) => Uint8Array;
+	encodeFilterQuat: (source: Float32Array, count: number, stride: number, bits: number) => Uint8Array;
+	encodeFilterExp: (source: Float32Array, count: number, stride: number, bits: number, mode?: "Separate" | "SharedVector" | "SharedComponent") => Uint8Array;
 };
diff --git a/js/meshopt_simplifier.module.d.ts b/js/meshopt_simplifier.module.d.ts
index b0131756b6..b2c042170f 100644
--- a/js/meshopt_simplifier.module.d.ts
+++ b/js/meshopt_simplifier.module.d.ts
@@ -3,20 +3,20 @@
 export type Flags = "LockBorder" | "Sparse" | "ErrorAbsolute";
 
 export const MeshoptSimplifier: {
-    supported: boolean;
-    ready: Promise<void>;
+	supported: boolean;
+	ready: Promise<void>;
 
-    useExperimentalFeatures: boolean;
+	useExperimentalFeatures: boolean;
 
-    compactMesh: (indices: Uint32Array) => [Uint32Array, number];
+	compactMesh: (indices: Uint32Array) => [Uint32Array, number];
 
-    simplify: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, target_index_count: number, target_error: number, flags?: Flags[]) => [Uint32Array, number];
+	simplify: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, target_index_count: number, target_error: number, flags?: Flags[]) => [Uint32Array, number];
 
-    // Experimental; requires useExperimentalFeatures to be set to true
-    simplifyWithAttributes: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, vertex_attributes: Float32Array, vertex_attributes_stride: number, attribute_weights: number[], vertex_lock: boolean[] | null, target_index_count: number, target_error: number, flags?: Flags[]) => [Uint32Array, number];
+	// Experimental; requires useExperimentalFeatures to be set to true
+	simplifyWithAttributes: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, vertex_attributes: Float32Array, vertex_attributes_stride: number, attribute_weights: number[], vertex_lock: boolean[] | null, target_index_count: number, target_error: number, flags?: Flags[]) => [Uint32Array, number];
 
-    getScale: (vertex_positions: Float32Array, vertex_positions_stride: number) => number;
+	getScale: (vertex_positions: Float32Array, vertex_positions_stride: number) => number;
 
-    // Experimental; requires useExperimentalFeatures to be set to true
-    simplifyPoints: (vertex_positions: Float32Array, vertex_positions_stride: number, target_vertex_count: number, vertex_colors?: Float32Array, vertex_colors_stride?: number, color_weight?: number) => Uint32Array;
+	// Experimental; requires useExperimentalFeatures to be set to true
+	simplifyPoints: (vertex_positions: Float32Array, vertex_positions_stride: number, target_vertex_count: number, vertex_colors?: Float32Array, vertex_colors_stride?: number, color_weight?: number) => Uint32Array;
 };

From be2de223f5d264da0278ea0fe71a35324f794312 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 1 Jul 2024 12:49:47 -0700
Subject: [PATCH 137/581] js: Change reference decoder to use tabs instead of
 spaces

This matches all other JS sources in this folder.
---
 js/meshopt_decoder_reference.js | 624 ++++++++++++++++----------------
 1 file changed, 312 insertions(+), 312 deletions(-)

diff --git a/js/meshopt_decoder_reference.js b/js/meshopt_decoder_reference.js
index cc07de0e1b..cbf04e8a1b 100644
--- a/js/meshopt_decoder_reference.js
+++ b/js/meshopt_decoder_reference.js
@@ -10,336 +10,336 @@ MeshoptDecoder.supported = true;
 MeshoptDecoder.ready = Promise.resolve();
 
 function assert(cond) {
-    if (!cond) {
-        throw new Error("Assertion failed");
-    }
+	if (!cond) {
+		throw new Error("Assertion failed");
+	}
 }
 
 function dezig(v) {
-    return ((v & 1) !== 0) ? ~(v >>> 1) : v >>> 1;
+	return ((v & 1) !== 0) ? ~(v >>> 1) : v >>> 1;
 }
 
 MeshoptDecoder.decodeVertexBuffer = (target, elementCount, byteStride, source, filter) => {
-    assert(source[0] === 0xA0);
-
-    const maxBlockElements = Math.min((0x2000 / byteStride) & ~0x000F, 0x100);
-
-    const deltas = new Uint8Array(0x10);
-
-    const tailDataOffs = source.length - byteStride;
-
-    // What deltas are stored relative to
-    const tempData = source.slice(tailDataOffs, tailDataOffs + byteStride);
-
-    let srcOffs = 0x01;
-
-    // Attribute Blocks
-    for (let dstElemBase = 0; dstElemBase < elementCount; dstElemBase += maxBlockElements) {
-        const attrBlockElementCount = Math.min(elementCount - dstElemBase, maxBlockElements);
-        const groupCount = ((attrBlockElementCount + 0x0F) & ~0x0F) >>> 4;
-        const headerByteCount = ((groupCount + 0x03) & ~0x03) >>> 2;
-
-        // Data blocks
-        for (let byte = 0; byte < byteStride; byte++) {
-            let headerBitsOffs = srcOffs;
-
-            srcOffs += headerByteCount;
-            for (let group = 0; group < groupCount; group++) {
-                const mode = (source[headerBitsOffs] >>> ((group & 0x03) << 1)) & 0x03;
-                // If this is the last group, move to the next byte of header bits.
-                if ((group & 0x03) === 0x03)
-                    headerBitsOffs++;
-
-                const dstElemGroup = dstElemBase + (group << 4);
-
-                if (mode === 0) {
-                    // bits 0: All 16 byte deltas are 0; the size of the encoded block is 0 bytes
-                    deltas.fill(0x00);
-                } else if (mode === 1) {
-                    // bits 1: Deltas are using 2-bit sentinel encoding; the size of the encoded block is [4..20] bytes
-                    const srcBase = srcOffs;
-                    srcOffs += 0x04;
-                    for (let m = 0; m < 0x10; m++) {
-                        // 0 = >>> 6, 1 = >>> 4, 2 = >>> 2, 3 = >>> 0
-                        const shift = (6 - ((m & 0x03) << 1));
-                        let delta = (source[srcBase + (m >>> 2)] >>> shift) & 0x03;
-                        if (delta === 3)
-                            delta = source[srcOffs++];
-                        deltas[m] = delta;
-                    }
-                } else if (mode === 2) {
-                    // bits 2: Deltas are using 4-bit sentinel encoding; the size of the encoded block is [8..24] bytes
-                    const srcBase = srcOffs;
-                    srcOffs += 0x08;
-                    for (let m = 0; m < 0x10; m++) {
-                        // 0 = >>> 6, 1 = >>> 4, 2 = >>> 2, 3 = >>> 0
-                        const shift = (m & 0x01) ? 0 : 4;
-                        let delta = (source[srcBase + (m >>> 1)] >>> shift) & 0x0f;
-                        if (delta === 0xf)
-                            delta = source[srcOffs++];
-                        deltas[m] = delta;
-                    }
-                } else {
-                    // bits 3: All 16 byte deltas are stored verbatim; the size of the encoded block is 16 bytes
-                    deltas.set(source.subarray(srcOffs, srcOffs + 0x10));
-                    srcOffs += 0x10;
-                }
-
-                // Go through and apply deltas to data
-                for (let m = 0; m < 0x10; m++) {
-                    const dstElem = dstElemGroup + m;
-                    if (dstElem >= elementCount)
-                        break;
-
-                    const delta = dezig(deltas[m]);
-                    const dstOffs = dstElem * byteStride + byte;
-                    target[dstOffs] = (tempData[byte] += delta);
-                }
-            }
-        }
-    }
-
-    // Filters - only applied if filter isn't undefined or NONE
-    if (filter === 'OCTAHEDRAL') {
-        assert(byteStride === 4 || byteStride === 8);
-
-        let dst, maxInt;
-        if (byteStride === 4) {
-            dst = new Int8Array(target.buffer);
-            maxInt = 127;
-        } else {
-            dst = new Int16Array(target.buffer);
-            maxInt = 32767;
-        }
-
-        for (let i = 0; i < 4 * elementCount; i += 4) {
-            let x = dst[i + 0], y = dst[i + 1], one = dst[i + 2];
-            x /= one;
-            y /= one;
-            const z = 1.0 - Math.abs(x) - Math.abs(y);
-            const t = Math.max(-z, 0.0);
-            x -= (x >= 0) ? t : -t;
-            y -= (y >= 0) ? t : -t;
-            const h = maxInt / Math.hypot(x, y, z);
-            dst[i + 0] = Math.round(x * h);
-            dst[i + 1] = Math.round(y * h);
-            dst[i + 2] = Math.round(z * h);
-            // keep dst[i + 3] as is
-        }
-    } else if (filter === 'QUATERNION') {
-        assert(byteStride === 8);
-
-        const dst = new Int16Array(target.buffer);
-
-        for (let i = 0; i < 4 * elementCount; i += 4) {
-            const inputW = dst[i + 3];
-            const maxComponent = inputW & 0x03;
-            const s = Math.SQRT1_2 / (inputW | 0x03);
-            let x = dst[i + 0] * s;
-            let y = dst[i + 1] * s;
-            let z = dst[i + 2] * s;
-            let w = Math.sqrt(Math.max(0.0, 1.0 - x**2 - y**2 - z**2));
-            dst[i + (maxComponent + 1) % 4] = Math.round(x * 32767);
-            dst[i + (maxComponent + 2) % 4] = Math.round(y * 32767);
-            dst[i + (maxComponent + 3) % 4] = Math.round(z * 32767);
-            dst[i + (maxComponent + 0) % 4] = Math.round(w * 32767);
-        }
-    } else if (filter === 'EXPONENTIAL') {
-        assert((byteStride & 0x03) === 0x00);
-
-        const src = new Int32Array(target.buffer);
-        const dst = new Float32Array(target.buffer);
-        for (let i = 0; i < (byteStride * elementCount) / 4; i++) {
-            const v = src[i], exp = v >> 24, mantissa = (v << 8) >> 8;
-            dst[i] = 2.0**exp * mantissa;
-        }
-    }
+	assert(source[0] === 0xA0);
+
+	const maxBlockElements = Math.min((0x2000 / byteStride) & ~0x000F, 0x100);
+
+	const deltas = new Uint8Array(0x10);
+
+	const tailDataOffs = source.length - byteStride;
+
+	// What deltas are stored relative to
+	const tempData = source.slice(tailDataOffs, tailDataOffs + byteStride);
+
+	let srcOffs = 0x01;
+
+	// Attribute Blocks
+	for (let dstElemBase = 0; dstElemBase < elementCount; dstElemBase += maxBlockElements) {
+		const attrBlockElementCount = Math.min(elementCount - dstElemBase, maxBlockElements);
+		const groupCount = ((attrBlockElementCount + 0x0F) & ~0x0F) >>> 4;
+		const headerByteCount = ((groupCount + 0x03) & ~0x03) >>> 2;
+
+		// Data blocks
+		for (let byte = 0; byte < byteStride; byte++) {
+			let headerBitsOffs = srcOffs;
+
+			srcOffs += headerByteCount;
+			for (let group = 0; group < groupCount; group++) {
+				const mode = (source[headerBitsOffs] >>> ((group & 0x03) << 1)) & 0x03;
+				// If this is the last group, move to the next byte of header bits.
+				if ((group & 0x03) === 0x03)
+					headerBitsOffs++;
+
+				const dstElemGroup = dstElemBase + (group << 4);
+
+				if (mode === 0) {
+					// bits 0: All 16 byte deltas are 0; the size of the encoded block is 0 bytes
+					deltas.fill(0x00);
+				} else if (mode === 1) {
+					// bits 1: Deltas are using 2-bit sentinel encoding; the size of the encoded block is [4..20] bytes
+					const srcBase = srcOffs;
+					srcOffs += 0x04;
+					for (let m = 0; m < 0x10; m++) {
+						// 0 = >>> 6, 1 = >>> 4, 2 = >>> 2, 3 = >>> 0
+						const shift = (6 - ((m & 0x03) << 1));
+						let delta = (source[srcBase + (m >>> 2)] >>> shift) & 0x03;
+						if (delta === 3)
+							delta = source[srcOffs++];
+						deltas[m] = delta;
+					}
+				} else if (mode === 2) {
+					// bits 2: Deltas are using 4-bit sentinel encoding; the size of the encoded block is [8..24] bytes
+					const srcBase = srcOffs;
+					srcOffs += 0x08;
+					for (let m = 0; m < 0x10; m++) {
+						// 0 = >>> 6, 1 = >>> 4, 2 = >>> 2, 3 = >>> 0
+						const shift = (m & 0x01) ? 0 : 4;
+						let delta = (source[srcBase + (m >>> 1)] >>> shift) & 0x0f;
+						if (delta === 0xf)
+							delta = source[srcOffs++];
+						deltas[m] = delta;
+					}
+				} else {
+					// bits 3: All 16 byte deltas are stored verbatim; the size of the encoded block is 16 bytes
+					deltas.set(source.subarray(srcOffs, srcOffs + 0x10));
+					srcOffs += 0x10;
+				}
+
+				// Go through and apply deltas to data
+				for (let m = 0; m < 0x10; m++) {
+					const dstElem = dstElemGroup + m;
+					if (dstElem >= elementCount)
+						break;
+
+					const delta = dezig(deltas[m]);
+					const dstOffs = dstElem * byteStride + byte;
+					target[dstOffs] = (tempData[byte] += delta);
+				}
+			}
+		}
+	}
+
+	// Filters - only applied if filter isn't undefined or NONE
+	if (filter === 'OCTAHEDRAL') {
+		assert(byteStride === 4 || byteStride === 8);
+
+		let dst, maxInt;
+		if (byteStride === 4) {
+			dst = new Int8Array(target.buffer);
+			maxInt = 127;
+		} else {
+			dst = new Int16Array(target.buffer);
+			maxInt = 32767;
+		}
+
+		for (let i = 0; i < 4 * elementCount; i += 4) {
+			let x = dst[i + 0], y = dst[i + 1], one = dst[i + 2];
+			x /= one;
+			y /= one;
+			const z = 1.0 - Math.abs(x) - Math.abs(y);
+			const t = Math.max(-z, 0.0);
+			x -= (x >= 0) ? t : -t;
+			y -= (y >= 0) ? t : -t;
+			const h = maxInt / Math.hypot(x, y, z);
+			dst[i + 0] = Math.round(x * h);
+			dst[i + 1] = Math.round(y * h);
+			dst[i + 2] = Math.round(z * h);
+			// keep dst[i + 3] as is
+		}
+	} else if (filter === 'QUATERNION') {
+		assert(byteStride === 8);
+
+		const dst = new Int16Array(target.buffer);
+
+		for (let i = 0; i < 4 * elementCount; i += 4) {
+			const inputW = dst[i + 3];
+			const maxComponent = inputW & 0x03;
+			const s = Math.SQRT1_2 / (inputW | 0x03);
+			let x = dst[i + 0] * s;
+			let y = dst[i + 1] * s;
+			let z = dst[i + 2] * s;
+			let w = Math.sqrt(Math.max(0.0, 1.0 - x**2 - y**2 - z**2));
+			dst[i + (maxComponent + 1) % 4] = Math.round(x * 32767);
+			dst[i + (maxComponent + 2) % 4] = Math.round(y * 32767);
+			dst[i + (maxComponent + 3) % 4] = Math.round(z * 32767);
+			dst[i + (maxComponent + 0) % 4] = Math.round(w * 32767);
+		}
+	} else if (filter === 'EXPONENTIAL') {
+		assert((byteStride & 0x03) === 0x00);
+
+		const src = new Int32Array(target.buffer);
+		const dst = new Float32Array(target.buffer);
+		for (let i = 0; i < (byteStride * elementCount) / 4; i++) {
+			const v = src[i], exp = v >> 24, mantissa = (v << 8) >> 8;
+			dst[i] = 2.0**exp * mantissa;
+		}
+	}
 };
 
 function pushfifo(fifo, n) {
-    for (let i = fifo.length - 1; i > 0; i--)
-        fifo[i] = fifo[i - 1];
-    fifo[0] = n;
+	for (let i = fifo.length - 1; i > 0; i--)
+		fifo[i] = fifo[i - 1];
+	fifo[0] = n;
 }
 
 MeshoptDecoder.decodeIndexBuffer = (target, count, byteStride, source) => {
-    assert(source[0] === 0xE1);
-    assert(count % 3 === 0);
-    assert(byteStride === 2 || byteStride === 4);
-
-    let dst;
-    if (byteStride === 2)
-        dst = new Uint16Array(target.buffer);
-    else
-        dst = new Uint32Array(target.buffer);
-
-    const triCount = count / 3;
-
-    let codeOffs = 0x01;
-    let dataOffs = codeOffs + triCount;
-    let codeauxOffs = source.length - 0x10;
-
-    function readLEB128() {
-        let n = 0;
-        for (let i = 0; ; i += 7) {
-            const b = source[dataOffs++];
-            n |= (b & 0x7F) << i;
-
-            if (b < 0x80)
-                return n;
-        }
-    }
-
-    let next = 0, last = 0;
-    const edgefifo = new Uint32Array(32);
-    const vertexfifo = new Uint32Array(16);
-
-    function decodeIndex(v) {
-        return (last += dezig(v));
-    }
-
-    let dstOffs = 0;
-    for (let i = 0; i < triCount; i++) {
-        const code = source[codeOffs++];
-        const b0 = code >>> 4, b1 = code & 0x0F;
-
-        if (b0 < 0x0F) {
-            const a = edgefifo[(b0 << 1) + 0], b = edgefifo[(b0 << 1) + 1];
-            let c = -1;
-
-            if (b1 === 0x00) {
-                c = next++;
-                pushfifo(vertexfifo, c);
-            } else if (b1 < 0x0D) {
-                c = vertexfifo[b1];
-            } else if (b1 === 0x0D) {
-                c = --last;
-                pushfifo(vertexfifo, c);
-            } else if (b1 === 0x0E) {
-                c = ++last;
-                pushfifo(vertexfifo, c);
-            } else if (b1 === 0x0F) {
-                const v = readLEB128();
-                c = decodeIndex(v);
-                pushfifo(vertexfifo, c);
-            }
-
-            // fifo pushes happen backwards
-            pushfifo(edgefifo, b); pushfifo(edgefifo, c);
-            pushfifo(edgefifo, c); pushfifo(edgefifo, a);
-
-            dst[dstOffs++] = a;
-            dst[dstOffs++] = b;
-            dst[dstOffs++] = c;
-        } else { // b0 === 0x0F
-            let a = -1, b = -1, c = -1;
-
-            if (b1 < 0x0E) {
-                const e = source[codeauxOffs + b1];
-                const z = e >>> 4, w = e & 0x0F;
-
-                a = next++;
-
-                if (z === 0x00)
-                    b = next++;
-                else
-                    b = vertexfifo[z - 1];
-
-                if (w === 0x00)
-                    c = next++;
-                else
-                    c = vertexfifo[w - 1];
-
-                pushfifo(vertexfifo, a);
-                if (z === 0x00)
-                    pushfifo(vertexfifo, b);
-                if (w === 0x00)
-                    pushfifo(vertexfifo, c);
-            } else {
-                const e = source[dataOffs++];
-                if (e === 0x00)
-                    next = 0;
-
-                const z = e >>> 4, w = e & 0x0F;
-
-                if (b1 === 0x0E)
-                    a = next++;
-                else
-                    a = decodeIndex(readLEB128());
-
-                if (z === 0x00)
-                    b = next++;
-                else if (z === 0x0F)
-                    b = decodeIndex(readLEB128());
-                else
-                    b = vertexfifo[z - 1];
-
-                if (w === 0x00)
-                    c = next++;
-                else if (w === 0x0F)
-                    c = decodeIndex(readLEB128());
-                else
-                    c = vertexfifo[w - 1];
-
-                pushfifo(vertexfifo, a);
-                if (z === 0x00 || z === 0x0F)
-                    pushfifo(vertexfifo, b);
-                if (w === 0x00 || w === 0x0F)
-                    pushfifo(vertexfifo, c);
-            }
-
-            pushfifo(edgefifo, a); pushfifo(edgefifo, b);
-            pushfifo(edgefifo, b); pushfifo(edgefifo, c);
-            pushfifo(edgefifo, c); pushfifo(edgefifo, a);
-
-            dst[dstOffs++] = a;
-            dst[dstOffs++] = b;
-            dst[dstOffs++] = c;
-        }
-    }
+	assert(source[0] === 0xE1);
+	assert(count % 3 === 0);
+	assert(byteStride === 2 || byteStride === 4);
+
+	let dst;
+	if (byteStride === 2)
+		dst = new Uint16Array(target.buffer);
+	else
+		dst = new Uint32Array(target.buffer);
+
+	const triCount = count / 3;
+
+	let codeOffs = 0x01;
+	let dataOffs = codeOffs + triCount;
+	let codeauxOffs = source.length - 0x10;
+
+	function readLEB128() {
+		let n = 0;
+		for (let i = 0; ; i += 7) {
+			const b = source[dataOffs++];
+			n |= (b & 0x7F) << i;
+
+			if (b < 0x80)
+				return n;
+		}
+	}
+
+	let next = 0, last = 0;
+	const edgefifo = new Uint32Array(32);
+	const vertexfifo = new Uint32Array(16);
+
+	function decodeIndex(v) {
+		return (last += dezig(v));
+	}
+
+	let dstOffs = 0;
+	for (let i = 0; i < triCount; i++) {
+		const code = source[codeOffs++];
+		const b0 = code >>> 4, b1 = code & 0x0F;
+
+		if (b0 < 0x0F) {
+			const a = edgefifo[(b0 << 1) + 0], b = edgefifo[(b0 << 1) + 1];
+			let c = -1;
+
+			if (b1 === 0x00) {
+				c = next++;
+				pushfifo(vertexfifo, c);
+			} else if (b1 < 0x0D) {
+				c = vertexfifo[b1];
+			} else if (b1 === 0x0D) {
+				c = --last;
+				pushfifo(vertexfifo, c);
+			} else if (b1 === 0x0E) {
+				c = ++last;
+				pushfifo(vertexfifo, c);
+			} else if (b1 === 0x0F) {
+				const v = readLEB128();
+				c = decodeIndex(v);
+				pushfifo(vertexfifo, c);
+			}
+
+			// fifo pushes happen backwards
+			pushfifo(edgefifo, b); pushfifo(edgefifo, c);
+			pushfifo(edgefifo, c); pushfifo(edgefifo, a);
+
+			dst[dstOffs++] = a;
+			dst[dstOffs++] = b;
+			dst[dstOffs++] = c;
+		} else { // b0 === 0x0F
+			let a = -1, b = -1, c = -1;
+
+			if (b1 < 0x0E) {
+				const e = source[codeauxOffs + b1];
+				const z = e >>> 4, w = e & 0x0F;
+
+				a = next++;
+
+				if (z === 0x00)
+					b = next++;
+				else
+					b = vertexfifo[z - 1];
+
+				if (w === 0x00)
+					c = next++;
+				else
+					c = vertexfifo[w - 1];
+
+				pushfifo(vertexfifo, a);
+				if (z === 0x00)
+					pushfifo(vertexfifo, b);
+				if (w === 0x00)
+					pushfifo(vertexfifo, c);
+			} else {
+				const e = source[dataOffs++];
+				if (e === 0x00)
+					next = 0;
+
+				const z = e >>> 4, w = e & 0x0F;
+
+				if (b1 === 0x0E)
+					a = next++;
+				else
+					a = decodeIndex(readLEB128());
+
+				if (z === 0x00)
+					b = next++;
+				else if (z === 0x0F)
+					b = decodeIndex(readLEB128());
+				else
+					b = vertexfifo[z - 1];
+
+				if (w === 0x00)
+					c = next++;
+				else if (w === 0x0F)
+					c = decodeIndex(readLEB128());
+				else
+					c = vertexfifo[w - 1];
+
+				pushfifo(vertexfifo, a);
+				if (z === 0x00 || z === 0x0F)
+					pushfifo(vertexfifo, b);
+				if (w === 0x00 || w === 0x0F)
+					pushfifo(vertexfifo, c);
+			}
+
+			pushfifo(edgefifo, a); pushfifo(edgefifo, b);
+			pushfifo(edgefifo, b); pushfifo(edgefifo, c);
+			pushfifo(edgefifo, c); pushfifo(edgefifo, a);
+
+			dst[dstOffs++] = a;
+			dst[dstOffs++] = b;
+			dst[dstOffs++] = c;
+		}
+	}
 };
 
 MeshoptDecoder.decodeIndexSequence = (target, count, byteStride, source) => {
-    assert(source[0] === 0xD1);
-    assert(byteStride === 2 || byteStride === 4);
-
-    let dst;
-    if (byteStride === 2)
-        dst = new Uint16Array(target.buffer);
-    else
-        dst = new Uint32Array(target.buffer);
-
-    let dataOffs = 0x01;
-
-    function readLEB128() {
-        let n = 0;
-        for (let i = 0; ; i += 7) {
-            const b = source[dataOffs++];
-            n |= (b & 0x7F) << i;
-
-            if (b < 0x80)
-                return n;
-        }
-    }
-
-    const last = new Uint32Array(2);
-
-    for (let i = 0; i < count; i++) {
-        const v = readLEB128();
-        const b = (v & 0x01);
-        const delta = dezig(v >>> 1);
-        dst[i] = (last[b] += delta);
-    }
+	assert(source[0] === 0xD1);
+	assert(byteStride === 2 || byteStride === 4);
+
+	let dst;
+	if (byteStride === 2)
+		dst = new Uint16Array(target.buffer);
+	else
+		dst = new Uint32Array(target.buffer);
+
+	let dataOffs = 0x01;
+
+	function readLEB128() {
+		let n = 0;
+		for (let i = 0; ; i += 7) {
+			const b = source[dataOffs++];
+			n |= (b & 0x7F) << i;
+
+			if (b < 0x80)
+				return n;
+		}
+	}
+
+	const last = new Uint32Array(2);
+
+	for (let i = 0; i < count; i++) {
+		const v = readLEB128();
+		const b = (v & 0x01);
+		const delta = dezig(v >>> 1);
+		dst[i] = (last[b] += delta);
+	}
 };
 
 MeshoptDecoder.decodeGltfBuffer = (target, count, size, source, mode, filter) => {
-    var table = {
-        ATTRIBUTES: MeshoptDecoder.decodeVertexBuffer,
-        TRIANGLES: MeshoptDecoder.decodeIndexBuffer,
-        INDICES: MeshoptDecoder.decodeIndexSequence,
-    };
-    assert(table[mode] !== undefined);
-    table[mode](target, count, size, source, filter);
+	var table = {
+		ATTRIBUTES: MeshoptDecoder.decodeVertexBuffer,
+		TRIANGLES: MeshoptDecoder.decodeIndexBuffer,
+		INDICES: MeshoptDecoder.decodeIndexSequence,
+	};
+	assert(table[mode] !== undefined);
+	table[mode](target, count, size, source, filter);
 };
 
 // node.js interface:

From bdf4a36fb840ac159256348bf1159b8129e4b495 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 1 Jul 2024 13:59:56 -0700
Subject: [PATCH 138/581] js: Replace automatic export translation with export!
 comment

This is resistant to formatting changes in the UMD sequence, so it will
be compatible with Prettier.
---
 Makefile                 | 4 ++--
 js/meshopt_decoder.js    | 2 +-
 js/meshopt_encoder.js    | 2 +-
 js/meshopt_simplifier.js | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Makefile b/Makefile
index 5c7c706232..61781bf413 100644
--- a/Makefile
+++ b/Makefile
@@ -161,9 +161,9 @@ js/meshopt_simplifier.js: build/simplifier.wasm tools/wasmpack.py
 	sed -i "s#\(var wasm = \)\".*\";#\\1\"$$(cat build/simplifier.wasm | python3 tools/wasmpack.py)\";#" $@
 
 js/%.module.js: js/%.js
-	sed '/UMD-style export/,$$d' <$< >$@
+	sed '\#// export!#q' <$< >$@
 	sed -i "/\"use strict\";/d" $@
-	sed -n "s#\s*module.exports = \(.*\);#export { \\1 };#p" <$< >>$@
+	sed -i "s#// export! \(.*\)#export { \\1 };#" $@
 
 $(DEMO): $(DEMO_OBJECTS) $(LIBRARY)
 	$(CXX) $^ $(LDFLAGS) -o $@
diff --git a/js/meshopt_decoder.js b/js/meshopt_decoder.js
index 0a53115141..65b90632ac 100644
--- a/js/meshopt_decoder.js
+++ b/js/meshopt_decoder.js
@@ -181,7 +181,7 @@ var MeshoptDecoder = (function() {
 	};
 })();
 
-// UMD-style export
+// export! MeshoptDecoder
 if (typeof exports === 'object' && typeof module === 'object')
 	module.exports = MeshoptDecoder;
 else if (typeof define === 'function' && define['amd'])
diff --git a/js/meshopt_encoder.js b/js/meshopt_encoder.js
index e0931ea3e9..5850ed96fc 100644
--- a/js/meshopt_encoder.js
+++ b/js/meshopt_encoder.js
@@ -196,7 +196,7 @@ var MeshoptEncoder = (function() {
 	};
 })();
 
-// UMD-style export for MeshoptEncoder
+// export! MeshoptEncoder
 if (typeof exports === 'object' && typeof module === 'object')
 	module.exports = MeshoptEncoder;
 else if (typeof define === 'function' && define['amd'])
diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 77e09e5666..6102e37557 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -255,7 +255,7 @@ var MeshoptSimplifier = (function() {
 	};
 })();
 
-// UMD-style export for MeshoptSimplifier
+// export! MeshoptSimplifier
 if (typeof exports === 'object' && typeof module === 'object')
 	module.exports = MeshoptSimplifier;
 else if (typeof define === 'function' && define['amd'])

From 8d649f99dbf0a006c3bf11c690a0a89cbacb10a3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 1 Jul 2024 14:07:21 -0700
Subject: [PATCH 139/581] js: Switch to trailing comments for Wasm embedding

Instead of relying on variable prefixes we now rely on comment suffixes
and also handle both quotation mark styles. This makes the embedding
resistant to formatting changes as long as the comment is kept in tact.
---
 Makefile                        | 8 ++++----
 js/meshopt_decoder.js           | 4 ++--
 js/meshopt_decoder.module.js    | 4 ++--
 js/meshopt_encoder.js           | 2 +-
 js/meshopt_encoder.module.js    | 2 +-
 js/meshopt_simplifier.js        | 2 +-
 js/meshopt_simplifier.module.js | 2 +-
 7 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/Makefile b/Makefile
index 61781bf413..27528be7e3 100644
--- a/Makefile
+++ b/Makefile
@@ -147,18 +147,18 @@ build/simplifier.wasm: $(WASM_SIMPLIFIER_SOURCES)
 js/meshopt_decoder.js: build/decoder_base.wasm build/decoder_simd.wasm tools/wasmpack.py
 	sed -i "s#Built with clang.*#Built with $$($(WASMCC) --version | head -n 1 | sed 's/\s\+(.*//')#" $@
 	sed -i "s#Built from meshoptimizer .*#Built from meshoptimizer $$(cat src/meshoptimizer.h | grep -Po '(?<=version )[0-9.]+')#" $@
-	sed -i "s#\(var wasm_base = \)\".*\";#\\1\"$$(cat build/decoder_base.wasm | python3 tools/wasmpack.py)\";#" $@
-	sed -i "s#\(var wasm_simd = \)\".*\";#\\1\"$$(cat build/decoder_simd.wasm | python3 tools/wasmpack.py)\";#" $@
+	sed -i "s#\([\"']\).*\(;\s*//\s*embed! base\)#\\1$$(cat build/decoder_base.wasm | python3 tools/wasmpack.py)\\1\\2#" $@
+	sed -i "s#\([\"']\).*\(;\s*//\s*embed! simd\)#\\1$$(cat build/decoder_simd.wasm | python3 tools/wasmpack.py)\\1\\2#" $@
 
 js/meshopt_encoder.js: build/encoder.wasm tools/wasmpack.py
 	sed -i "s#Built with clang.*#Built with $$($(WASMCC) --version | head -n 1 | sed 's/\s\+(.*//')#" $@
 	sed -i "s#Built from meshoptimizer .*#Built from meshoptimizer $$(cat src/meshoptimizer.h | grep -Po '(?<=version )[0-9.]+')#" $@
-	sed -i "s#\(var wasm = \)\".*\";#\\1\"$$(cat build/encoder.wasm | python3 tools/wasmpack.py)\";#" $@
+	sed -i "s#\([\"']\).*\(;\s*//\s*embed! wasm\)#\\1$$(cat build/encoder.wasm | python3 tools/wasmpack.py)\\1\\2#" $@
 
 js/meshopt_simplifier.js: build/simplifier.wasm tools/wasmpack.py
 	sed -i "s#Built with clang.*#Built with $$($(WASMCC) --version | head -n 1 | sed 's/\s\+(.*//')#" $@
 	sed -i "s#Built from meshoptimizer .*#Built from meshoptimizer $$(cat src/meshoptimizer.h | grep -Po '(?<=version )[0-9.]+')#" $@
-	sed -i "s#\(var wasm = \)\".*\";#\\1\"$$(cat build/simplifier.wasm | python3 tools/wasmpack.py)\";#" $@
+	sed -i "s#\([\"']\).*\(;\s*//\s*embed! wasm\)#\\1$$(cat build/simplifier.wasm | python3 tools/wasmpack.py)\\1\\2#" $@
 
 js/%.module.js: js/%.js
 	sed '\#// export!#q' <$< >$@
diff --git a/js/meshopt_decoder.js b/js/meshopt_decoder.js
index 65b90632ac..978f8ff902 100644
--- a/js/meshopt_decoder.js
+++ b/js/meshopt_decoder.js
@@ -4,8 +4,8 @@ var MeshoptDecoder = (function() {
 	"use strict";
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
-	var wasm_base = "b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb";
-	var wasm_simd = "b9H79TebbbeKl9Gbb9Gvuuuuueu9Giuuub9Geueuikqbbebeedddilve9Weeeviebeoweuec:q;Aekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbdY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVblE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtboK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbrL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbwl79IV9RbDq:p9sqlbzik9:evu8Jjjjjbcz9Rhbcbheincbhdcbhiinabcwfadfaicjuaead4ceGglE86bbaialfhiadcefgdcw9hmbkaec:q:yjjbfai86bbaecitc:q1jjbfab8Piw83ibaecefgecjd9hmbkk:N8JlHud97euo978Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Rad;8qbbcj;abad9UhlaicefhodnaeTmbadTmbalc;WFbGglcjdalcjd6EhwcbhDinawaeaD9RaDawfae6Egqcsfglc9WGgkci2hxakcethmalcl4cifcd4hPabaDad2fhsakc;ab6hzcbhHincbhOaohAdndninaraA9RaP6meavcj;cbfaOak2fhCaAaPfhocbhidnazmbarao9Rc;Gb6mbcbhlinaCalfhidndndndndnaAalco4fRbbgXciGPlbedibkaipxbbbbbbbbbbbbbbbbpklbxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklbaoczfhokdndndndndnaXcd4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklzxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklzaoczfhokdndndndndnaXcl4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklaxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklaaoczfhokdndndndndnaXco4Plbedibkaipxbbbbbbbbbbbbbbbbpkl8WxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaoclfaYpQbfaXc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaocwfaYpQbfaXc:q:yjjbfRbbfhoxekaiaopbbbpkl8Waoczfhokalc;abfhialcjefak0meaihlarao9Rc;Fb0mbkkdnaiak9pmbaici4hlinarao9RcK6miaCaifhXdndndndndnaAaico4fRbbalcoG4ciGPlbedibkaXpxbbbbbbbbbbbbbbbbpkbbxikaXaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaXaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaXaopbbbpkbbaoczfhokalcdfhlaiczfgiak6mbkkaoTmeaohAaOcefgOclSmdxbkkc9:hoxlkdnakTmbavcjdfaHfhiavaHfpbdbhYcbhXinaiavcj;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;8qbbavavcjdfaqcufad2fad;8qbbaqaDfgDae6mbkkcbc99arao9Radcaadca0ESEhokavcj;kbf8Kjjjjbaokwbz:bjjjbk::seHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecje;8kbavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:wPliuo97eue978Jjjjjbca9Rhiaec98Ghldndnadcl9hmbdnalTmbcbhvabhdinadadpbbbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDpxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpkbbadczfhdavclfgval6mbkkalaeSmeaipxbbbbbbbbbbbbbbbbgqpklbaiabalcdtfgdaeciGglcdtgv;8qbbdnalTmbaiaipblbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDaqp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpklbkadaiav;8qbbskdnalTmbcbhvabhdinadczfgxaxpbbbgopxbbbbbbFFbbbbbbFFgkp9oadpbbbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Keczp:Rep9qgoarawp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogrpmwDKYqk8AExm35Ps8E8Fp9qpkbbadaDakp9oaoarpmbezHdiOAlvCXorQLp9qpkbbadcafhdavclfgval6mbkkalaeSmbaiaeciGgvcitgdfcbcaad9R;8kbaiabalcitfglad;8qbbdnavTmbaiaipblzgopxbbbbbbFFbbbbbbFFgkp9oaipblbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Ke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+	var wasm_base = "b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb"; // embed! base
+	var wasm_simd = 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gYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfglaYaLa8ApmwDKYqk8AExm35Ps8E8FgQaQpmbedibedibedibedip9UgYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfhiaXczfgXak6mbkkaHclfgHad6mbkasavcjdfaqad2;8qbbavavcjdfaqcufad2fad;8qbbaqaDfgDae6mbkkcbc99arao9Radcaadca0ESEhokavcj;kbf8Kjjjjbaokwbz:bjjjbk::seHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecje;8kbavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;abfalaocu7gscl4fcsGcitfgzydlhrazydbhzdnaocsGgHak9pmbavawasfcsGcdtfydbaxaHEhoaHThsdndnadcd9hmbabaPcetfgHaz87ebaHclfao87ebaHcdfar87ebxekabaPcdtfgHazBdbaHcwfaoBdbaHclfarBdbkaxasfhxcdhHavawcdtfaoBdbawasfhwcehsalhOxdkdndnaHcsSmbaHc987aHamffcefhoxekaicefhoai8SbbgHcFeGhsdndnaHcu9mmbaohixekaicvfhiascFbGhscrhHdninao8SbbgOcFbGaHtasVhsaOcu9kmeaocefhoaHcrfgHc8J9hmbxdkkaocefhikasce4cbasceG9R7amfhokdndnadcd9hmbabaPcetfgHaz87ebaHclfao87ebaHcdfar87ebxekabaPcdtfgHazBdbaHcwfaoBdbaHclfarBdbkcdhHavawcdtfaoBdbcehsawcefhwalhOaohmxekdnaocpe0mbaxcefgHavawaDaocsGfRbbgocl49RcsGcdtfydbaocz6gzEhravawao9RcsGcdtfydbaHazfgAaocsGgHEhoaHThCdndnadcd9hmbabaPcetfgHax87ebaHclfao87ebaHcdfar87ebxekabaPcdtfgHaxBdbaHcwfaoBdbaHclfarBdbkcdhsavawcdtfaxBdbavawcefgwcsGcdtfarBdbcihHavc;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;:eSgHfhraOcsGhCaOcl4hAdndnaOcs0mbarcefhoxekarhoavawaA9RcsGcdtfydbhrkdndnaCmbaocefhxxekaohxavawaO9RcsGcdtfydbhokdndnaHTmbaicefhHxekaicdfhHai8SbegscFeGhzdnascu9kmbaicofhXazcFbGhzcrhidninaH8SbbgscFbGaitazVhzascu9kmeaHcefhHaicrfgic8J9hmbkaXhHxekaHcefhHkazce4cbazceG9R7amfgmhzkdndnaAcsSmbaHhsxekaHcefhsaH8SbbgicFeGhrdnaicu9kmbaHcvfhXarcFbGhrcrhidninas8SbbgHcFbGaitarVhraHcu9kmeascefhsaicrfgic8J9hmbkaXhsxekascefhskarce4cbarceG9R7amfgmhrkdndnaCcsSmbashixekascefhias8SbbgocFeGhHdnaocu9kmbascvfhXaHcFbGhHcrhodninai8SbbgscFbGaotaHVhHascu9kmeaicefhiaocrfgoc8J9hmbkaXhixekaicefhikaHce4cbaHceG9R7amfgmhokdndnadcd9hmbabaPcetfgHaz87ebaHclfao87ebaHcdfar87ebxekabaPcdtfgHazBdbaHcwfaoBdbaHclfarBdbkcdhsavawcdtfazBdbavawcefgwcsGcdtfarBdbcihHavc;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:wPliuo97eue978Jjjjjbca9Rhiaec98Ghldndnadcl9hmbdnalTmbcbhvabhdinadadpbbbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDpxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpkbbadczfhdavclfgval6mbkkalaeSmeaipxbbbbbbbbbbbbbbbbgqpklbaiabalcdtfgdaeciGglcdtgv;8qbbdnalTmbaiaipblbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDaqp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpklbkadaiav;8qbbskdnalTmbcbhvabhdinadczfgxaxpbbbgopxbbbbbbFFbbbbbbFFgkp9oadpbbbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Keczp:Rep9qgoarawp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogrpmwDKYqk8AExm35Ps8E8Fp9qpkbbadaDakp9oaoarpmbezHdiOAlvCXorQLp9qpkbbadcafhdavclfgval6mbkkalaeSmbaiaeciGgvcitgdfcbcaad9R;8kbaiabalcitfglad;8qbbdnavTmbaiaipblzgopxbbbbbbFFbbbbbbFFgkp9oaipblbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Ke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// embed! simd
 
 	var detector = new Uint8Array([0,97,115,109,1,0,0,0,1,4,1,96,0,0,3,3,2,0,0,5,3,1,0,1,12,1,0,10,22,2,12,0,65,0,65,0,65,0,252,10,0,0,11,7,0,65,0,253,15,26,11]);
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
diff --git a/js/meshopt_decoder.module.js b/js/meshopt_decoder.module.js
index fd5631edaf..6a3e919d1b 100644
--- a/js/meshopt_decoder.module.js
+++ b/js/meshopt_decoder.module.js
@@ -3,8 +3,8 @@
 var MeshoptDecoder = (function() {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
-	var wasm_base = "b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;abfalaocu7gscl4fcsGcitfgzydlhrazydbhzdnaocsGgHak9pmbavawasfcsGcdtfydbaxaHEhoaHThsdndnadcd9hmbabaPcetfgHaz87ebaHclfao87ebaHcdfar87ebxekabaPcdtfgHazBdbaHcwfaoBdbaHclfarBdbkaxasfhxcdhHavawcdtfaoBdbawasfhwcehsalhOxdkdndnaHcsSmbaHc987aHamffcefhoxekaicefhoai8SbbgHcFeGhsdndnaHcu9mmbaohixekaicvfhiascFbGhscrhHdninao8SbbgOcFbGaHtasVhsaOcu9kmeaocefhoaHcrfgHc8J9hmbxdkkaocefhikasce4cbasceG9R7amfhokdndnadcd9hmbabaPcetfgHaz87ebaHclfao87ebaHcdfar87ebxekabaPcdtfgHazBdbaHcwfaoBdbaHclfarBdbkcdhHavawcdtfaoBdbcehsawcefhwalhOaohmxekdnaocpe0mbaxcefgHavawaDaocsGfRbbgocl49RcsGcdtfydbaocz6gzEhravawao9RcsGcdtfydbaHazfgAaocsGgHEhoaHThCdndnadcd9hmbabaPcetfgHax87ebaHclfao87ebaHcdfar87ebxekabaPcdtfgHaxBdbaHcwfaoBdbaHclfarBdbkcdhsavawcdtfaxBdbavawcefgwcsGcdtfarBdbcihHavc;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb";
-	var wasm_simd = "b9H79TebbbeKl9Gbb9Gvuuuuueu9Giuuub9Geueuikqbbebeedddilve9Weeeviebeoweuec:q;Aekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbdY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVblE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtboK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbrL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbwl79IV9RbDq:p9sqlbzik9:evu8Jjjjjbcz9Rhbcbheincbhdcbhiinabcwfadfaicjuaead4ceGglE86bbaialfhiadcefgdcw9hmbkaec:q:yjjbfai86bbaecitc:q1jjbfab8Piw83ibaecefgecjd9hmbkk:N8JlHud97euo978Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Rad;8qbbcj;abad9UhlaicefhodnaeTmbadTmbalc;WFbGglcjdalcjd6EhwcbhDinawaeaD9RaDawfae6Egqcsfglc9WGgkci2hxakcethmalcl4cifcd4hPabaDad2fhsakc;ab6hzcbhHincbhOaohAdndninaraA9RaP6meavcj;cbfaOak2fhCaAaPfhocbhidnazmbarao9Rc;Gb6mbcbhlinaCalfhidndndndndnaAalco4fRbbgXciGPlbedibkaipxbbbbbbbbbbbbbbbbpklbxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklbaoczfhokdndndndndnaXcd4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklzxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklzaoczfhokdndndndndnaXcl4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklaxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklaaoczfhokdndndndndnaXco4Plbedibkaipxbbbbbbbbbbbbbbbbpkl8WxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaoclfaYpQbfaXc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaocwfaYpQbfaXc:q:yjjbfRbbfhoxekaiaopbbbpkl8Waoczfhokalc;abfhialcjefak0meaihlarao9Rc;Fb0mbkkdnaiak9pmbaici4hlinarao9RcK6miaCaifhXdndndndndnaAaico4fRbbalcoG4ciGPlbedibkaXpxbbbbbbbbbbbbbbbbpkbbxikaXaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaXaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaXaopbbbpkbbaoczfhokalcdfhlaiczfgiak6mbkkaoTmeaohAaOcefgOclSmdxbkkc9:hoxlkdnakTmbavcjdfaHfhiavaHfpbdbhYcbhXinaiavcj;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;8qbbavavcjdfaqcufad2fad;8qbbaqaDfgDae6mbkkcbc99arao9Radcaadca0ESEhokavcj;kbf8Kjjjjbaokwbz:bjjjbk::seHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecje;8kbavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:wPliuo97eue978Jjjjjbca9Rhiaec98Ghldndnadcl9hmbdnalTmbcbhvabhdinadadpbbbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDpxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpkbbadczfhdavclfgval6mbkkalaeSmeaipxbbbbbbbbbbbbbbbbgqpklbaiabalcdtfgdaeciGglcdtgv;8qbbdnalTmbaiaipblbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDaqp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpklbkadaiav;8qbbskdnalTmbcbhvabhdinadczfgxaxpbbbgopxbbbbbbFFbbbbbbFFgkp9oadpbbbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Keczp:Rep9qgoarawp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogrpmwDKYqk8AExm35Ps8E8Fp9qpkbbadaDakp9oaoarpmbezHdiOAlvCXorQLp9qpkbbadcafhdavclfgval6mbkkalaeSmbaiaeciGgvcitgdfcbcaad9R;8kbaiabalcitfglad;8qbbdnavTmbaiaipblzgopxbbbbbbFFbbbbbbFFgkp9oaipblbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Ke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+	var wasm_base = "b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb"; // embed! base
+	var wasm_simd = 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gYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfglaYaLa8ApmwDKYqk8AExm35Ps8E8FgQaQpmbedibedibedibedip9UgYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfhiaXczfgXak6mbkkaHclfgHad6mbkasavcjdfaqad2;8qbbavavcjdfaqcufad2fad;8qbbaqaDfgDae6mbkkcbc99arao9Radcaadca0ESEhokavcj;kbf8Kjjjjbaokwbz:bjjjbk::seHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecje;8kbavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:wPliuo97eue978Jjjjjbca9Rhiaec98Ghldndnadcl9hmbdnalTmbcbhvabhdinadadpbbbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDpxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpkbbadczfhdavclfgval6mbkkalaeSmeaipxbbbbbbbbbbbbbbbbgqpklbaiabalcdtfgdaeciGglcdtgv;8qbbdnalTmbaiaipblbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDaqp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpklbkadaiav;8qbbskdnalTmbcbhvabhdinadczfgxaxpbbbgopxbbbbbbFFbbbbbbFFgkp9oadpbbbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Keczp:Rep9qgoarawp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogrpmwDKYqk8AExm35Ps8E8Fp9qpkbbadaDakp9oaoarpmbezHdiOAlvCXorQLp9qpkbbadcafhdavclfgval6mbkkalaeSmbaiaeciGgvcitgdfcbcaad9R;8kbaiabalcitfglad;8qbbdnavTmbaiaipblzgopxbbbbbbFFbbbbbbFFgkp9oaipblbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Ke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// embed! simd
 
 	var detector = new Uint8Array([0,97,115,109,1,0,0,0,1,4,1,96,0,0,3,3,2,0,0,5,3,1,0,1,12,1,0,10,22,2,12,0,65,0,65,0,65,0,252,10,0,0,11,7,0,65,0,253,15,26,11]);
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
diff --git a/js/meshopt_encoder.js b/js/meshopt_encoder.js
index 5850ed96fc..e84a5a194d 100644
--- a/js/meshopt_encoder.js
+++ b/js/meshopt_encoder.js
@@ -4,7 +4,7 @@ var MeshoptEncoder = (function() {
 	"use strict";
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
-	var wasm = "b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G;kekr;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;C9oLdbk;GqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;WFbGgecjdaecjd6Ehqcbhkindndnaiak9nmbaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndnaec9WGgsTmbcbhzaPhHawhOxekdnaxmbalheinaraw9Ram6miawcbamzNjjjbamfhwaecufgembxvkkcbhAaPhOinaDaAfRbbhCaDcjlfheaOhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkaraw9Ram6mdaOcefhOawcbamzNjjjbamfhwaAcefgAal9hmbxlkkindnaxTmbaDazfRbbhCaDcjlfheaHhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkkaraO9Ram6mearaOcbamzNjjjbgLamfgw9RcK6mecbhKaDcjlfhOinaDcjlfaKfhYcwhAczhQceheindndnaegXce9hmbcuhoaYRbbmecbhodninaogecsSmeaecefhoaOaefcefRbbTmbkkcucbaecs6EhoxekaXcethocuaXtc;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcet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+	var wasm = "b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G;kekr;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;C9oLdbk;GqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;WFbGgecjdaecjd6Ehqcbhkindndnaiak9nmbaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndnaec9WGgsTmbcbhzaPhHawhOxekdnaxmbalheinaraw9Ram6miawcbamzNjjjbamfhwaecufgembxvkkcbhAaPhOinaDaAfRbbhCaDcjlfheaOhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkaraw9Ram6mdaOcefhOawcbamzNjjjbamfhwaAcefgAal9hmbxlkkindnaxTmbaDazfRbbhCaDcjlfheaHhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkkaraO9Ram6mearaOcbamzNjjjbgLamfgw9RcK6mecbhKaDcjlfhOinaDcjlfaKfhYcwhAczhQceheindndnaegXce9hmbcuhoaYRbbmecbhodninaogecsSmeaecefhoaOaefcefRbbTmbkkcucbaecs6EhoxekaXcethocuaXtc;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcet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;j:KMeGavVhvdndnaDaecwfIdbaq:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaHavaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcC2c:KM;j:KdGVBdbaeasfheaHclfhHazcufgzmbkalcbcj;GbzNjjjbhiarhHadheinaiaHydbgzcFrGcx2fgvavydbcefBdbaiazcq4cFrGcx2fgvavydlcefBdlaiazcC4cFrGcx2fgzazydwcefBdwaHclfhHaecufgembxdkkalcbcj;GbzNjjjb8AkcbhHcbhzcbhecbhvinalaHfgiydbhsaiazBdbaicwfgwydbhOawavBdbaiclfgiydbhwaiaeBdbasazfhzaOavfhvawaefheaHcxfgHcj;Gb9hmbkcbhHalaocbyd:m:kjjbHjjjjbbgiBd:e9GdnadTmbabhzinazaHBdbazclfhzadaHcefgH9hmbkabhHadhzinalaraHydbgecdtfydbcFrGcx2fgvavydbgvcefBdbaiavcdtfaeBdbaHclfhHazcufgzmbkaihHadhzinalaraHydbgecdtfydbcq4cFrGcx2fgvavydlgvcefBdlabavcdtfaeBdbaHclfhHazcufgzmbkabhHadhzinalaraHydbgecdtfydbcC4cFrGcx2fgvavydwgvcefBdwaiavcdtfaeBdbaHclfhHazcufgzmbkcbhHinabaiydbcdtfaHBdbaiclfhiadaHcefgH9hmbkkclhidninaic98Smealcj;Gbfaifydbcbyd1:kjjbH:bjjjbbaic98fhixbkkalc;W;Gbf8Kjjjjbk9teiucbcbyd:q:kjjbgeabcifc98GfgbBd:q:kjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd:q:kjjbgeabcrfc94GfgbBd:q:kjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd:q:kjjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd:q:kjjbfgdBd:q:kjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akkk:Iddbcjwk:edb4:h9w9N94:P:gW:j9O:ye9Pbbbbbbebbbdbbbebbbdbbbbbbbdbbbbbbbebbbbbbb:l29hZ;69:9kZ;N;76Z;rg97Z;z;o9xZ8J;B85Z;:;u9yZ;b;k9HZ:2;Z9DZ9e:l9mZ59A8KZ:r;T3Z:A:zYZ79OHZ;j4::8::Y:D9V8:bbbb9s:49:Z8R:hBZ9M9M;M8:L;z;o8:;8:PG89q;x:J878R:hQ8::M:B;e87bbbbbbjZbbjZbbjZ:E;V;N8::Y:DsZ9i;H;68:xd;R8:;h0838:;W:NoZbbbb:WV9O8:uf888:9i;H;68:9c9G;L89;n;m9m89;D8Ko8:bbbbf:8tZ9m836ZS:2AZL;zPZZ818EZ9e:lxZ;U98F8:819E;68:bc:eqkzebbbebbbdbbbaWbb"; // embed! wasm
 
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 
diff --git a/js/meshopt_encoder.module.js b/js/meshopt_encoder.module.js
index b95c1b6d29..c4867ef2b5 100644
--- a/js/meshopt_encoder.module.js
+++ b/js/meshopt_encoder.module.js
@@ -3,7 +3,7 @@
 var MeshoptEncoder = (function() {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
-	var wasm = "b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G;kekr;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;C9oLdbk;GqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;WFbGgecjdaecjd6Ehqcbhkindndnaiak9nmbaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndnaec9WGgsTmbcbhzaPhHawhOxekdnaxmbalheinaraw9Ram6miawcbamzNjjjbamfhwaecufgembxvkkcbhAaPhOinaDaAfRbbhCaDcjlfheaOhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkaraw9Ram6mdaOcefhOawcbamzNjjjbamfhwaAcefgAal9hmbxlkkindnaxTmbaDazfRbbhCaDcjlfheaHhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkkaraO9Ram6mearaOcbamzNjjjbgLamfgw9RcK6mecbhKaDcjlfhOinaDcjlfaKfhYcwhAczhQceheindndnaegXce9hmbcuhoaYRbbmecbhodninaogecsSmeaecefhoaOaefcefRbbTmbkkcucbaecs6EhoxekaXcethocuaXtc;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcet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+	var wasm = "b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G;kekr;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;C9oLdbk;GqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;WFbGgecjdaecjd6Ehqcbhkindndnaiak9nmbaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndnaec9WGgsTmbcbhzaPhHawhOxekdnaxmbalheinaraw9Ram6miawcbamzNjjjbamfhwaecufgembxvkkcbhAaPhOinaDaAfRbbhCaDcjlfheaOhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkaraw9Ram6mdaOcefhOawcbamzNjjjbamfhwaAcefgAal9hmbxlkkindnaxTmbaDazfRbbhCaDcjlfheaHhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkkaraO9Ram6mearaOcbamzNjjjbgLamfgw9RcK6mecbhKaDcjlfhOinaDcjlfaKfhYcwhAczhQceheindndnaegXce9hmbcuhoaYRbbmecbhodninaogecsSmeaecefhoaOaefcefRbbTmbkkcucbaecs6EhoxekaXcethocuaXtc;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcet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;j:KMeGavVhvdndnaDaecwfIdbaq:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaHavaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcC2c:KM;j:KdGVBdbaeasfheaHclfhHazcufgzmbkalcbcj;GbzNjjjbhiarhHadheinaiaHydbgzcFrGcx2fgvavydbcefBdbaiazcq4cFrGcx2fgvavydlcefBdlaiazcC4cFrGcx2fgzazydwcefBdwaHclfhHaecufgembxdkkalcbcj;GbzNjjjb8AkcbhHcbhzcbhecbhvinalaHfgiydbhsaiazBdbaicwfgwydbhOawavBdbaiclfgiydbhwaiaeBdbasazfhzaOavfhvawaefheaHcxfgHcj;Gb9hmbkcbhHalaocbyd:m:kjjbHjjjjbbgiBd:e9GdnadTmbabhzinazaHBdbazclfhzadaHcefgH9hmbkabhHadhzinalaraHydbgecdtfydbcFrGcx2fgvavydbgvcefBdbaiavcdtfaeBdbaHclfhHazcufgzmbkaihHadhzinalaraHydbgecdtfydbcq4cFrGcx2fgvavydlgvcefBdlabavcdtfaeBdbaHclfhHazcufgzmbkabhHadhzinalaraHydbgecdtfydbcC4cFrGcx2fgvavydwgvcefBdwaiavcdtfaeBdbaHclfhHazcufgzmbkcbhHinabaiydbcdtfaHBdbaiclfhiadaHcefgH9hmbkkclhidninaic98Smealcj;Gbfaifydbcbyd1:kjjbH:bjjjbbaic98fhixbkkalc;W;Gbf8Kjjjjbk9teiucbcbyd:q:kjjbgeabcifc98GfgbBd:q:kjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd:q:kjjbgeabcrfc94GfgbBd:q:kjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd:q:kjjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd:q:kjjbfgdBd:q:kjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akkk:Iddbcjwk:edb4:h9w9N94:P:gW:j9O:ye9Pbbbbbbebbbdbbbebbbdbbbbbbbdbbbbbbbebbbbbbb:l29hZ;69:9kZ;N;76Z;rg97Z;z;o9xZ8J;B85Z;:;u9yZ;b;k9HZ:2;Z9DZ9e:l9mZ59A8KZ:r;T3Z:A:zYZ79OHZ;j4::8::Y:D9V8:bbbb9s:49:Z8R:hBZ9M9M;M8:L;z;o8:;8:PG89q;x:J878R:hQ8::M:B;e87bbbbbbjZbbjZbbjZ:E;V;N8::Y:DsZ9i;H;68:xd;R8:;h0838:;W:NoZbbbb:WV9O8:uf888:9i;H;68:9c9G;L89;n;m9m89;D8Ko8:bbbbf:8tZ9m836ZS:2AZL;zPZZ818EZ9e:lxZ;U98F8:819E;68:bc:eqkzebbbebbbdbbbaWbb"; // embed! wasm
 
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 
diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 6102e37557..25c378bcd1 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -4,7 +4,7 @@ var MeshoptSimplifier = (function() {
 	"use strict";
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
-	var wasm = 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IdwJbb;aZNhRkdna8RaR9ETmbada9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaga8Acx2fgKcwfhyaKclfh8Eaga9rcx2fgacwfhmaaclfhrcbhCcehYdnindna3aeydbcdtfydbgXa8ASmba3aeclfydbcdtfydbgLa8ASmbaXaLSmbagaLcx2fgLIdbagaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNaaIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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:fPdebdkaiheina3aecdtgefa8ABdba8Faefydbgeai9hmbxikka8Fa9ofydbhea8Fa9qfydbhia3a9qfa9nBdbaeh9nka3aicdtfa9nBdbka9sce86bba9pce86bbaCIdbgRa83a83aR9DEh83a9icefh9icecdaXRbbceSEadfhdka5cefg5aE9hmbkkdna9imbaohdxikdnalTmbcbhCa8MheindnaeydbgXcuSmbdnaCa3aXcdtg8AfydbgX9hmba8Ma8AfydbhXkaeaXBdbkaeclfhealaCcefgC9hmbkcbhCa8NheindnaeydbgXcuSmbdnaCa3aXcdtg8AfydbgX9hmba8Na8AfydbhXkaeaXBdbkaeclfhealaCcefgC9hmbkkcbhdabhecbhLindna3aeydbcdtfydbgCa3aeclfydbcdtfydbgXSmbaCa3aecwfydbcdtfydbg8ASmbaXa8ASmbabadcdtfgQaCBdbaQcwfa8ABdbaQclfaXBdbadcifhdkaecxfheaLcifgLao6mbkadak9nmdxbkkasclfabadalaOz:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb";
+	var wasm = 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dbg8X:tg8Ra8RNaKIdlaiIdlg8V:tg8Ua8UNMM:rgIJbbbb9ETmbaRaI:vhRa8UaI:vh8Ua8RaI:vh8RkJbbacJbbacJbbjZaeceSEaLceSEh80dnagaQaCc:e1jjbfydbcdtfydbcx2fgeIdwa8S:tg8WaRa8WaRNaeIdba8X:tg81a8RNa8UaeIdla8V:tg8ZNMMg8YN:tg8Wa8WNa81a8Ra8YN:tgRaRNa8Za8Ua8YN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOa8Acdtfydbc8S2fgeaRa80aINg8UaRNNg8YaeIdbMUdbaea8Ra8Ua8RNg80Ng81aeIdlMUdlaea8Wa8Ua8WNgINg8ZaeIdwMUdwaea80aRNg80aeIdxMUdxaeaIaRNgBaeIdzMUdzaeaIa8RNg83aeIdCMUdCaeaRa8Ua8Wa8SNaRa8XNa8Va8RNMM:mg8SNgINgRaeIdKMUdKaea8RaINg8RaeId3MUd3aea8WaINg8WaeIdaMUdaaeaIa8SNgIaeId8KMUd8Kaea8UaeIdyMUdya8KaOaXcdtfydbc8S2fgea8YaeIdbMUdbaea81aeIdlMUdlaea8ZaeIdwMUdwaea80aeIdxMUdxaeaBaeIdzMUdzaea83aeIdCMUdCaeaRaeIdKMUdKaea8RaeId3MUd3aea8WaeIdaMUdaaeaIaeId8KMUd8Kaea8UaeIdyMUdykaCclfgCcx9hmbkaYcxfhYa8Jcifg8Jad6mbkaDTmbcbhYinJbbbbh8XagabaYcdtfgeclfydbgKcx2fgCIdwagaeydbgicx2fgXIdwg8Z:tg8Ra8RNaCIdbaXIdbgB:tg8Wa8WNaCIdlaXIdlg83:tg8Ua8UNMMg80agaecwfydbg8Jcx2fgeIdwa8Z:tgINa8Ra8RaINa8WaeIdbaB:tg8SNa8UaeIdla83:tg8VNMMgRN:tJbbbbJbbjZa80aIaINa8Sa8SNa8Va8VNMMg81NaRaRN:tg8Y:va8YJbbbb9BEg8YNhUa81a8RNaIaRN:ta8YNh85a80a8VNa8UaRN:ta8YNh86a81a8UNa8VaRN:ta8YNh87a80a8SNa8WaRN:ta8YNh88a81a8WNa8SaRN:ta8YNh89a8Wa8VNa8Sa8UN:tgRaRNa8UaINa8Va8RN:tgRaRNa8Ra8SNaIa8WN:tgRaRNMM:r:rhRavaiaD2cdtfhCava8JaD2cdtfhXavaKaD2cdtfh8Aa8Z:mh8:a83:mhZaB:mhncbhLaDhQJbbbbh8VJbbbbh8YJbbbbh80Jbbbbh81Jbbbbh8ZJbbbbhBJbbbbh83JbbbbhcJbbbbh9cinasc;WbfaLfgecwfaRa85a8AIdbaCIdbgI:tg8UNaUaXIdbaI:tg8SNMg8RNUdbaeclfaRa87a8UNa86a8SNMg8WNUdbaeaRa89a8UNa88a8SNMg8UNUdbaecxfaRa8: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;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkawaKaD2cltfhQcbhCaDh8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkawaiaD2cltfhQcbhCaDh8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkaYcifgYad6mbkkasydlhJcbhednalTmbaJclfheaJydbh8AaAhCalhLcbhXincbaeydbgQa8A9RaCRbbcpeGEaXfhXaCcefhCaeclfheaQh8AaLcufgLmbkaXce4hekcuadae9Rcifg8Lcx2a8Lc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhhascxfasyd2gecdtfahBdbasaecefgCBd2ascxfaCcdtfcua8Lcdta8LcFFFFi0Ecbyd;S1jjbHjjjjbbgzBdbasaecdfgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbg3BdbasaecifgCBd2ascxfaCcdtfalcbyd;S1jjbHjjjjbbg9eBdbasaeclfBd2a8PJbbjZamclGEhcJbbbbh83dnadak9nmbdna8Lci6mbaxaxNacacN:vhBaDclthTahcwfhSJbbbbh83inasclfabadgoalaOz:cjjjbabhicbhEcbhyinabaycdtfh8JcbheindnaOaiaefydbgXcdtgKfydbg8AaOa8Jaec:S1jjbfydbcdtfydbgCcdtfydbgLSmbaAaCfRbbgYcv2aAaXfRbbgQfc;a1jjbfRbbgaaQcv2aYfg5c;a1jjbfRbbgdVcFeGTmbdnaLa8A9nmba5c:q1jjbfRbbcFeGmekdnaQaY9hmbaQcufcFeGce0mba8MaKfydbaC9hmekahaEcx2fg8AaCaXadcFeGgLEBdla8AaXaCaLEBdba8AaLaaGcb9hBdwaEcefhEkaeclfgecx9hmbkdnaycifgyao9pmbaicxfhiaEcifa8L9nmekkdnaEmbaohdxikcbhYinJbbbbJbbjZa8KaOahaYcx2fg8AydlgLa8AydbgQa8AydwgCEgicdtfydbgac8S2gdfgeIdygR:vaRJbbbb9BEaeIdwagaQaLaCEgKcx2fgCIdwg8UNaeIdzaCIdbgINaeIdaMgRaRMMa8UNaeIdlaCIdlg8SNaeIdCa8UNaeId3MgRaRMMa8SNaeIdbaINaeIdxa8SNaeIdKMgRaRMMaINaeId8KMMM:lNh80JbbbbJbbjZa8KaOaQcdtfydbgyc8S2gXfgeIdygR:vaRJbbbb9BEaeIdwagaLcx2fgCIdwg8WNaeIdzaCIdbg8XNaeIdaMgRaRMMa8WNaeIdlaCIdlg8VNaeIdCa8WNaeId3MgRaRMMa8VNaeIdba8XNaeIdxa8VNaeIdKMgRaRMMa8XNaeId8KMMM:lNh81a8Acwfh8Ja8Aclfh5dnaDTmbaqaXfgXIdwa8WNaXIdza8XNaXIdaMgRaRMMa8WNaXIdla8VNaXIdCa8WNaXId3MgRaRMMa8VNaXIdba8XNaXIdxa8VNaXIdKMgRaRMMa8XNaXId8KMMMh8RavaLaD2cdtfhCawayaD2cltfheaXIdyh8YaDhXinaCIdbgRJbbb;aNaecxfIdba8WaecwfIdbNa8XaeIdbNa8VaeclfIdbNMMMNaRaRNa8YNa8RMMh8RaCclfhCaeczfheaXcufgXmbkaqadfgXIdwa8UNaXIdzaINaXIdaMgRaRMMa8UNaXIdla8SNaXIdCa8UNaXId3MgRaRMMa8SNaXIdbaINaXIdxa8SNaXIdKMgRaRMMaINaXId8KMMMh8WavaKaD2cdtfhCawaaaD2cltfheaXIdyh8XaDhXinaCIdbgRJbbb;aNaecxfIdba8UaecwfIdbNaIaeIdbNa8SaeclfIdbNMMMNaRaRNa8XNa8WMMh8WaCclfhCaeczfheaXcufgXmbka80a8W:lMh80a81a8R:lMh81ka5aLaKa81a809FgeEBdba8AaQaiaeEBdba8Ja81a80aeEUdbaYcefgYaE9hmbkasc;Wbfcbcj;abz:ljjjb8AaSheaEhCinasc;WbfaeydbcO4c;8ZGfgXaXydbcefBdbaecxfheaCcufgCmbkcbhecbhCinasc;WbfaefgXydbh8AaXaCBdba8AaCfhCaeclfgecj;ab9hmbkcbheaShCinasc;WbfaCydbcO4c;8ZGfgXaXydbgXcefBdbazaXcdtfaeBdbaCcxfhCaEaecefge9hmbkaoak9RgXci9Uh9hdnalTmbcbhea3hCinaCaeBdbaCclfhCalaecefge9hmbkkcbh9ia9ecbalz:ljjjbh6aXcO9Uh9ka9hce4h0asydwh9mcbhdcbh5dninahaza5cdtfydbcx2fg8JIdwg8RaB9Emeada9h9pmeJFFuuhRdna0aE9pmbahaza0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbada9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaga8Acx2fgKcwfhyaKclfh8Eaga9rcx2fgacwfhmaaclfhrcbhCcehYdnindna3aeydbcdtfydbgXa8ASmba3aeclfydbcdtfydbgLa8ASmbaXaLSmbagaLcx2fgLIdbagaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNaaIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb"; // embed! wasm
 
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index 5d4cd66524..74db1fb672 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -3,7 +3,7 @@
 var MeshoptSimplifier = (function() {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
-	var wasm = 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IdwJbb;aZNhRkdna8RaR9ETmbada9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaga8Acx2fgKcwfhyaKclfh8Eaga9rcx2fgacwfhmaaclfhrcbhCcehYdnindna3aeydbcdtfydbgXa8ASmba3aeclfydbcdtfydbgLa8ASmbaXaLSmbagaLcx2fgLIdbagaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNaaIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb";
+	var wasm = 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IdwJbb;aZNhRkdna8RaR9ETmbada9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaga8Acx2fgKcwfhyaKclfh8Eaga9rcx2fgacwfhmaaclfhrcbhCcehYdnindna3aeydbcdtfydbgXa8ASmba3aeclfydbcdtfydbgLa8ASmbaXaLSmbagaLcx2fgLIdbagaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNaaIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;u83dwdnadTmbaicd4hodnabmbdnalTmbcbhrinaealarcdtfydbao2cdtfhwcbhiinavcCfaifgDawaifIdbgqaDIdbgkakaq9EEUdbavcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkarcefgrad9hmbxikkaocdthrcbhwincbhiinavcCfaifgDaeaifIdbgqaDIdbgkakaq9EEUdbavcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkaearfheawcefgwad9hmbxdkkdnalTmbcbhrinabarcx2fgiaealarcdtfydbao2cdtfgwIdbUdbaiawIdlUdlaiawIdwUdwcbhiinavcCfaifgDawaifIdbgqaDIdbgkakaq9EEUdbavcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkarcefgrad9hmbxdkkaocdthlcbhraehwinabarcx2fgiaearao2cdtfgDIdbUdbaiaDIdlUdlaiaDIdwUdwcbhiinavcCfaifgDawaifIdbgqaDIdbgkakaq9EEUdbavcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkawalfhwarcefgrad9hmbkkJbbbbavIdwavIdCgk:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb"; // embed! wasm
 
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 

From 75012cdf1052ade19e60faa8e56a7a1eec22c225 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 1 Jul 2024 18:41:15 -0700
Subject: [PATCH 140/581] Update USERS.md

Increase GH star threshold to better match existing projects.
---
 USERS.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/USERS.md b/USERS.md
index 2087152bda..f6f19a6efa 100644
--- a/USERS.md
+++ b/USERS.md
@@ -1,6 +1,6 @@
 meshoptimizer is widely used in the games industry as well as in many pipelines for processing 3D content for real-time rendering. This document contains a small selection of projects that rely on meshoptimizer.
 
-For brevity, the projects listed below are limited to commercial software or open source software that has 100+ stars on GitHub. Please feel free to contribute additions via pull requests.
+For brevity, the projects listed below are limited to commercial software or open source software that has 1000+ stars on GitHub. Please feel free to contribute additions via pull requests.
 
 # Games
 

From cc0820f94f6dc6c2c81bb2894f91797625983403 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 2 Jul 2024 10:47:46 -0700
Subject: [PATCH 141/581] Use consistent variable references via $() in
 Makefile

---
 Makefile | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Makefile b/Makefile
index 27528be7e3..3cb9df8ec8 100644
--- a/Makefile
+++ b/Makefile
@@ -125,7 +125,7 @@ $(BUILD)/gltfpack: $(GLTFPACK_OBJECTS) $(LIBRARY)
 
 gltfpack.wasm: gltf/library.wasm
 
-gltf/library.wasm: ${LIBRARY_SOURCES} ${GLTFPACK_SOURCES}
+gltf/library.wasm: $(LIBRARY_SOURCES) $(GLTFPACK_SOURCES)
 	$(WASMCC) $^ -o $@ -Os -DNDEBUG --target=wasm32-wasi --sysroot=$(WASIROOT) -nostartfiles -Wl,--no-entry -Wl,--export=pack -Wl,--export=malloc -Wl,--export=free -Wl,--export=__wasm_call_ctors -Wl,-s -Wl,--allow-undefined-file=gltf/wasistubs.txt
 
 build/decoder_base.wasm: $(WASM_DECODER_SOURCES)
@@ -174,16 +174,16 @@ vcachetuner: tools/vcachetuner.cpp tools/objloader.cpp $(LIBRARY)
 codecbench: tools/codecbench.cpp $(LIBRARY)
 	$(CXX) $^ $(CXXFLAGS) $(LDFLAGS) -o $@
 
-codecbench.js: tools/codecbench.cpp ${LIBRARY_SOURCES}
+codecbench.js: tools/codecbench.cpp $(LIBRARY_SOURCES)
 	emcc $^ -O3 -g -DNDEBUG -s TOTAL_MEMORY=268435456 -s SINGLE_FILE=1 -o $@
 
-codecbench-simd.js: tools/codecbench.cpp ${LIBRARY_SOURCES}
+codecbench-simd.js: tools/codecbench.cpp $(LIBRARY_SOURCES)
 	emcc $^ -O3 -g -DNDEBUG -s TOTAL_MEMORY=268435456 -s SINGLE_FILE=1 -msimd128 -o $@
 
-codecbench.wasm: tools/codecbench.cpp ${LIBRARY_SOURCES}
+codecbench.wasm: tools/codecbench.cpp $(LIBRARY_SOURCES)
 	$(WASMCC) $^ -fno-exceptions --target=wasm32-wasi --sysroot=$(WASIROOT) -lc++ -lc++abi -O3 -g -DNDEBUG -o $@
 
-codecbench-simd.wasm: tools/codecbench.cpp ${LIBRARY_SOURCES}
+codecbench-simd.wasm: tools/codecbench.cpp $(LIBRARY_SOURCES)
 	$(WASMCC) $^ -fno-exceptions --target=wasm32-wasi --sysroot=$(WASIROOT) -lc++ -lc++abi -O3 -g -DNDEBUG -msimd128 -o $@
 
 codecfuzz: tools/codecfuzz.cpp src/vertexcodec.cpp src/indexcodec.cpp

From 6749214e71eb7316fdbcb0abc8b20b7a070f201f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 2 Jul 2024 11:09:21 -0700
Subject: [PATCH 142/581] gltfpack: Fix minor memory leak when decompressing
 invalid files

If the glTF structure of EXT_meshopt_compression was invalid or decoding
failed, we would leak the result buffer; we now make sure we record the
pointer early -- if decoding fails we will free it in cgltf_free later.
---
 gltf/parsegltf.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gltf/parsegltf.cpp b/gltf/parsegltf.cpp
index f83356b70e..d8feb905ba 100644
--- a/gltf/parsegltf.cpp
+++ b/gltf/parsegltf.cpp
@@ -531,6 +531,8 @@ static cgltf_result decompressMeshopt(cgltf_data* data)
 		if (!result)
 			return cgltf_result_out_of_memory;
 
+		data->buffer_views[i].data = result;
+
 		int rc = -1;
 
 		switch (mc->mode)
@@ -571,8 +573,6 @@ static cgltf_result decompressMeshopt(cgltf_data* data)
 		default:
 			break;
 		}
-
-		data->buffer_views[i].data = result;
 	}
 
 	return cgltf_result_success;

From fc5a77691021b9230e5a3b233b146ed2a2071aab Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 2 Jul 2024 11:42:46 -0700
Subject: [PATCH 143/581] gltfpack: Work around clang analyzer false positive

data is non-null if result is cgltf_result_success; clang analyzer
doesn't track this correctly and as such some other functions may
trigger analysis false positives on a possible nullptr deref.
---
 gltf/parsegltf.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gltf/parsegltf.cpp b/gltf/parsegltf.cpp
index d8feb905ba..7d14be33f2 100644
--- a/gltf/parsegltf.cpp
+++ b/gltf/parsegltf.cpp
@@ -621,7 +621,7 @@ cgltf_data* parseGltf(const char* path, std::vector<Mesh>& meshes, std::vector<A
 	cgltf_options options = {};
 	cgltf_result result = cgltf_parse_file(&options, path, &data);
 
-	if (data && !data->bin)
+	if (result == cgltf_result_success && !data->bin)
 		freeFile(data);
 
 	result = (result == cgltf_result_success) ? cgltf_load_buffers(&options, data, path) : result;

From 0b00a8a122c72f4dd50c3681221294b9b9a37a5f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 2 Jul 2024 11:57:09 -0700
Subject: [PATCH 144/581] vertexfilter: Work around clang analyzer false
 positive

The mode is one of three values, and the code in the inner loop assumes
component_exp is filled for one of two modes; however, if the mode is
ever set to something else, we will read uninitialized component_exp[]
component. An assert helps clang see the flow properly.
---
 src/vertexfilter.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/vertexfilter.cpp b/src/vertexfilter.cpp
index 4b5f444f04..8a87b299fe 100644
--- a/src/vertexfilter.cpp
+++ b/src/vertexfilter.cpp
@@ -1010,6 +1010,11 @@ void meshopt_encodeFilterExp(void* destination_, size_t count, size_t stride, in
 				component_exp[j] = (min_exp < e) ? e : min_exp;
 			}
 		}
+		else
+		{
+			// the code below assumes component_exp is initialized outside of the loop
+			assert(mode == meshopt_EncodeExpSharedComponent);
+		}
 
 		for (size_t j = 0; j < stride_float; ++j)
 		{
@@ -1020,7 +1025,6 @@ void meshopt_encodeFilterExp(void* destination_, size_t count, size_t stride, in
 
 			// compute renormalized rounded mantissa for each component
 			int mmask = (1 << 24) - 1;
-
 			int m = int(v[j] * optexp2(-exp) + (v[j] >= 0 ? 0.5f : -0.5f));
 
 			d[j] = (m & mmask) | (unsigned(exp) << 24);

From a4cba13250d05ee0257db90eecc56e3b49eab2e5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 3 Jul 2024 16:02:39 -0700
Subject: [PATCH 145/581] Fix minor formatting discrepancies in meshoptimizer.h

meshoptimizer.h isn't part of clang-format set due to excessive
indentation, so some stylistic choices aren't automatically applied.
---
 src/meshoptimizer.h | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index cb3745a2cc..8b2345263d 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -729,8 +729,8 @@ class meshopt_Allocator
 	typedef StorageT<void> Storage;
 
 	meshopt_Allocator()
-		: blocks()
-		, count(0)
+	    : blocks()
+	    , count(0)
 	{
 	}
 
@@ -740,7 +740,8 @@ class meshopt_Allocator
 			Storage::deallocate(blocks[i - 1]);
 	}
 
-	template <typename T> T* allocate(size_t size)
+	template <typename T>
+	T* allocate(size_t size)
 	{
 		assert(count < sizeof(blocks) / sizeof(blocks[0]));
 		T* result = static_cast<T*>(Storage::allocate(size > size_t(-1) / sizeof(T) ? size_t(-1) : size * sizeof(T)));
@@ -761,8 +762,10 @@ class meshopt_Allocator
 };
 
 // This makes sure that allocate/deallocate are lazily generated in translation units that need them and are deduplicated by the linker
-template <typename T> void* (MESHOPTIMIZER_ALLOC_CALLCONV *meshopt_Allocator::StorageT<T>::allocate)(size_t) = operator new;
-template <typename T> void (MESHOPTIMIZER_ALLOC_CALLCONV *meshopt_Allocator::StorageT<T>::deallocate)(void*) = operator delete;
+template <typename T>
+void* (MESHOPTIMIZER_ALLOC_CALLCONV *meshopt_Allocator::StorageT<T>::allocate)(size_t) = operator new;
+template <typename T>
+void (MESHOPTIMIZER_ALLOC_CALLCONV *meshopt_Allocator::StorageT<T>::deallocate)(void*) = operator delete;
 #endif
 
 /* Inline implementation for C++ templated wrappers */

From 3399183f2e6b81720a586d3c2cb4ab92330b6677 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 3 Jul 2024 16:13:50 -0700
Subject: [PATCH 146/581] Add make symbols to show the shared object export
 table

This is convenient to make sure symbols aren't acciendtally exposed
unnecessarily. Note that for now this builds the code with default
visibility settings, instead of using special shared object setup we
have in CMake, so in debug mode there will be extra inline symbols.

Also this needs to build a .so with special flags so we do this via an
amalgamated source file which helpfully tests that amalgamation is
actually supported.
---
 Makefile | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Makefile b/Makefile
index 3cb9df8ec8..fc32ef24ba 100644
--- a/Makefile
+++ b/Makefile
@@ -109,6 +109,9 @@ format:
 
 js: js/meshopt_decoder.js js/meshopt_decoder.module.js js/meshopt_encoder.js js/meshopt_encoder.module.js js/meshopt_simplifier.js js/meshopt_simplifier.module.js
 
+symbols: $(BUILD)/amalgamated.so
+	nm $< -U -g
+
 gltfpack: $(BUILD)/gltfpack
 	ln -fs $^ $@
 
@@ -192,6 +195,10 @@ codecfuzz: tools/codecfuzz.cpp src/vertexcodec.cpp src/indexcodec.cpp
 $(LIBRARY): $(LIBRARY_OBJECTS)
 	ar rcs $@ $^
 
+$(BUILD)/amalgamated.so: $(LIBRARY_SOURCES)
+	@mkdir -p $(dir $@)
+	cat $^ | $(CXX) $(CXXFLAGS) -x c++ - -I src/ -o $@ -shared -fPIC
+
 $(BUILD)/%.cpp.o: %.cpp
 	@mkdir -p $(dir $@)
 	$(CXX) $< $(CXXFLAGS) -c -MMD -MP -o $@

From d381655ab9cf494181c6774739fe2048ef559b3d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 4 Jul 2024 10:54:27 -0700
Subject: [PATCH 147/581] vertexcodec: Work around clang analyzer false
 positive

clang analyzer doesn't realize vertex_count <= vertex_count_aligned
holds (which it does unless addition overflows, which is impossible with
size_t due to a memory limit on vertex inputs, but also we bounds check
vertex count!), and then thinks that we might be writing less than
vertex_count elements to the output buffer. This change fixes this, and
also undefs a forgotten define as a drive-by.
---
 src/vertexcodec.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 94f7a1adc2..17324362c8 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -383,6 +383,7 @@ static const unsigned char* decodeVertexBlock(const unsigned char* data, const u
 	unsigned char transposed[kVertexBlockSizeBytes];
 
 	size_t vertex_count_aligned = (vertex_count + kByteGroupSize - 1) & ~(kByteGroupSize - 1);
+	assert(vertex_count <= vertex_count_aligned);
 
 	for (size_t k = 0; k < vertex_size; ++k)
 	{
@@ -1246,3 +1247,4 @@ int meshopt_decodeVertexBuffer(void* destination, size_t vertex_count, size_t ve
 #undef SIMD_WASM
 #undef SIMD_FALLBACK
 #undef SIMD_TARGET
+#undef SIMD_LATENCYOPT

From 8bb3438c152ef4da2b1ee26613942d0fe7a60811 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 5 Jul 2024 10:25:25 -0700
Subject: [PATCH 148/581] Update README.md

Remove extraneous sentence.
---
 README.md | 2 --
 1 file changed, 2 deletions(-)

diff --git a/README.md b/README.md
index 6814e98413..0c65c247b7 100644
--- a/README.md
+++ b/README.md
@@ -101,8 +101,6 @@ When performing the overdraw optimization you have to specify a floating-point t
 
 After the final triangle order has been established, we still can optimize the vertex buffer for memory efficiency. Before running the vertex shader GPU has to fetch the vertex attributes from the vertex buffer; the fetch is usually backed by a memory cache, and as such optimizing the data for the locality of memory access is important. You can do this by running this code:
 
-To optimize the index/vertex buffers for vertex fetch efficiency, call:
-
 ```c++
 meshopt_optimizeVertexFetch(vertices, indices, index_count, vertices, vertex_count, sizeof(Vertex));
 ```

From 639de4d0fee41f4cdbe75134d974ea75ec765121 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 8 Jul 2024 10:50:49 -0700
Subject: [PATCH 149/581] gltfpack: Optionally keep unused vertex attributes

When a new option `-kv` is specified, gltfpack no longer removes unused
vertex attributes (v mirrors existing usage for -sv and -vX).

This can be useful in a few cases:

- Normals may be needed for custom vertex processing even if materials
  are unlit
- Tangents may be needed for custom shading at runtime that gltfpack isn't
  aware of
- Tangents may help with simplification across UV mirroring seams
- Texture coordinates may be needed at runtime even if this is not
  indicated by any material textures; in this case, -vtf should be used
  to disable UV quantization
---
 gltf/gltfpack.cpp | 8 +++++++-
 gltf/gltfpack.h   | 1 +
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index ee46fa6a71..ab68c0fe50 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -369,7 +369,8 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 			mi.unlit &= vi.unlit;
 		}
 
-		filterStreams(mesh, mi);
+		if (!settings.keep_attributes)
+			filterStreams(mesh, mi);
 	}
 
 	mergeMeshMaterials(data, meshes, settings);
@@ -1308,6 +1309,10 @@ int main(int argc, char** argv)
 		{
 			settings.keep_extras = true;
 		}
+		else if (strcmp(arg, "-kv") == 0)
+		{
+			settings.keep_attributes = true;
+		}
 		else if (strcmp(arg, "-mm") == 0)
 		{
 			settings.mesh_merge = true;
@@ -1531,6 +1536,7 @@ int main(int argc, char** argv)
 			fprintf(stderr, "\nVertex attributes:\n");
 			fprintf(stderr, "\t-vtf: use floating point attributes for texture coordinates\n");
 			fprintf(stderr, "\t-vnf: use floating point attributes for normals\n");
+			fprintf(stderr, "\t-kv: keep source vertex attributes even if they aren't used\n");
 			fprintf(stderr, "\nAnimations:\n");
 			fprintf(stderr, "\t-at N: use N-bit quantization for translations (default: 16; N should be between 1 and 24)\n");
 			fprintf(stderr, "\t-ar N: use N-bit quantization for rotations (default: 12; N should be between 4 and 16)\n");
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 2af672334f..10d436d43a 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -129,6 +129,7 @@ struct Settings
 	bool keep_nodes;
 	bool keep_materials;
 	bool keep_extras;
+	bool keep_attributes;
 
 	bool mesh_merge;
 	bool mesh_instancing;

From 769e168df5f32d47a7d126794d6fe69c0044cb77 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 8 Jul 2024 14:52:50 -0700
Subject: [PATCH 150/581] Switch from c++98 to gnu++98 for Makefile builds

std=c++98 has an unfortunate side effect in that it causes gcc to emit
calls to fabsf/sqrtf; this significantly affects performance of several
algorithms, making benchmarks not fully representative.

We could likely just switch to C++11 at this point but there isn't a
specific reason to go there right now other than unifying build settings
between gltfpack and the library, so we can do that separately. On the
flip side, omitting standard version results in C++17 being selected
automatically which pulls in much more code from standard headers,
slowing compilation down.
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index fc32ef24ba..2e6a838bfd 100644
--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@ LIBRARY=$(BUILD)/libmeshoptimizer.a
 DEMO=$(BUILD)/meshoptimizer
 
 CFLAGS=-g -Wall -Wextra -Werror -std=c89
-CXXFLAGS=-g -Wall -Wextra -Wshadow -Wno-missing-field-initializers -Werror -std=c++98
+CXXFLAGS=-g -Wall -Wextra -Wshadow -Wno-missing-field-initializers -Werror -std=gnu++98
 LDFLAGS=
 
 $(GLTFPACK_OBJECTS): CXXFLAGS+=-std=c++11

From f16ee88ef43431cddf2c65406976d0636255a628 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 10 Jul 2024 11:13:29 -0700
Subject: [PATCH 151/581] gltfpack: Minor mesh processing refactoring

The logic for detaching mesh from nodes is fairly complex but it's a
little difficult to separate into individual components due to multiple
scenes handling, so for now just extract it into a separate function to
make the high level processing flow easier to read.
---
 gltf/gltfpack.cpp | 129 ++++++++++++++++++++++------------------------
 1 file changed, 63 insertions(+), 66 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index ab68c0fe50..e6afb21cd0 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -250,6 +250,68 @@ static bool canTransformMesh(const Mesh& mesh)
 	return true;
 }
 
+static void detachMesh(Mesh& mesh, cgltf_data* data, const std::vector<NodeInfo>& nodes, const Settings& settings)
+{
+	// mesh is already instanced, skip
+	if (!mesh.instances.empty())
+		return;
+
+	// mesh is already world space, skip
+	if (mesh.nodes.empty())
+		return;
+
+	// note: when -kn is specified, we keep mesh-node attachment so that named nodes can be transformed
+	if (settings.keep_nodes)
+		return;
+
+	// we keep skinned meshes or meshes with morph targets as is
+	// in theory we could transform both, but in practice transforming morph target meshes is more involved,
+	// and reparenting skinned meshes leads to incorrect bounding box generated in three.js
+	if (mesh.skin || mesh.targets)
+		return;
+
+	bool any_animated = false;
+	for (size_t j = 0; j < mesh.nodes.size(); ++j)
+		any_animated |= nodes[mesh.nodes[j] - data->nodes].animated;
+
+	// animated meshes will be anchored to the same node that they used to be in to retain the animation
+	if (any_animated)
+		return;
+
+	int scene = nodes[mesh.nodes[0] - data->nodes].scene;
+	bool any_other_scene = false;
+	for (size_t j = 0; j < mesh.nodes.size(); ++j)
+		any_other_scene |= scene != nodes[mesh.nodes[j] - data->nodes].scene;
+
+	// we only merge instances when all nodes have a single consistent scene
+	if (scene < 0 || any_other_scene)
+		return;
+
+	// we only merge multiple instances together if requested
+	// this often makes the scenes faster to render by reducing the draw call count, but can result in larger files
+	if (mesh.nodes.size() > 1 && !settings.mesh_merge && !settings.mesh_instancing)
+		return;
+
+	// prefer instancing if possible, use merging otherwise
+	if (mesh.nodes.size() > 1 && settings.mesh_instancing)
+	{
+		mesh.instances.resize(mesh.nodes.size());
+
+		for (size_t j = 0; j < mesh.nodes.size(); ++j)
+			cgltf_node_transform_world(mesh.nodes[j], mesh.instances[j].data);
+
+		mesh.nodes.clear();
+		mesh.scene = scene;
+	}
+	else if (canTransformMesh(mesh))
+	{
+		mergeMeshInstances(mesh);
+
+		assert(mesh.nodes.empty());
+		mesh.scene = scene;
+	}
+}
+
 static bool isExtensionSupported(const ExtensionInfo* extensions, size_t count, const char* name)
 {
 	for (size_t i = 0; i < count; ++i)
@@ -269,9 +331,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	}
 
 	for (size_t i = 0; i < animations.size(); ++i)
-	{
 		processAnimation(animations[i], settings);
-	}
 
 	std::vector<NodeInfo> nodes(data->nodes_count);
 
@@ -279,68 +339,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	markAnimated(data, nodes, animations);
 
 	for (size_t i = 0; i < meshes.size(); ++i)
-	{
-		Mesh& mesh = meshes[i];
-
-		// mesh is already instanced, skip
-		if (!mesh.instances.empty())
-			continue;
-
-		// mesh is already world space, skip
-		if (mesh.nodes.empty())
-			continue;
-
-		// note: when -kn is specified, we keep mesh-node attachment so that named nodes can be transformed
-		if (settings.keep_nodes)
-			continue;
-
-		// we keep skinned meshes or meshes with morph targets as is
-		// in theory we could transform both, but in practice transforming morph target meshes is more involved,
-		// and reparenting skinned meshes leads to incorrect bounding box generated in three.js
-		if (mesh.skin || mesh.targets)
-			continue;
-
-		bool any_animated = false;
-		for (size_t j = 0; j < mesh.nodes.size(); ++j)
-			any_animated |= nodes[mesh.nodes[j] - data->nodes].animated;
-
-		// animated meshes will be anchored to the same node that they used to be in to retain the animation
-		if (any_animated)
-			continue;
-
-		int scene = nodes[mesh.nodes[0] - data->nodes].scene;
-		bool any_other_scene = false;
-		for (size_t j = 0; j < mesh.nodes.size(); ++j)
-			any_other_scene |= scene != nodes[mesh.nodes[j] - data->nodes].scene;
-
-		// we only merge instances when all nodes have a single consistent scene
-		if (scene < 0 || any_other_scene)
-			continue;
-
-		// we only merge multiple instances together if requested
-		// this often makes the scenes faster to render by reducing the draw call count, but can result in larger files
-		if (mesh.nodes.size() > 1 && !settings.mesh_merge && !settings.mesh_instancing)
-			continue;
-
-		// prefer instancing if possible, use merging otherwise
-		if (mesh.nodes.size() > 1 && settings.mesh_instancing)
-		{
-			mesh.instances.resize(mesh.nodes.size());
-
-			for (size_t j = 0; j < mesh.nodes.size(); ++j)
-				cgltf_node_transform_world(mesh.nodes[j], mesh.instances[j].data);
-
-			mesh.nodes.clear();
-			mesh.scene = scene;
-		}
-		else if (canTransformMesh(mesh))
-		{
-			mergeMeshInstances(mesh);
-
-			assert(mesh.nodes.empty());
-			mesh.scene = scene;
-		}
-	}
+		detachMesh(meshes[i], data, nodes, settings);
 
 	// material information is required for mesh and image processing
 	std::vector<MaterialInfo> materials(data->materials_count);
@@ -406,9 +405,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 #endif
 
 	for (size_t i = 0; i < meshes.size(); ++i)
-	{
 		processMesh(meshes[i], settings);
-	}
 
 #ifndef NDEBUG
 	meshes.insert(meshes.end(), debug_meshes.begin(), debug_meshes.end());

From 93c0013dae3ba419adddf762bffcca9af9f4b52b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 11 Jul 2024 11:53:17 -0700
Subject: [PATCH 152/581] simplify: Implement internal flag for topology debug
 information

We have been relying on smuggling the kind/loop info computed during
classification via meshopt_simplifyDebug global pointers. This
information is valuable to visualize, and there's future improvements to
classification that would need to be debugged, so it's not ready to
remove but exposing this as globals results in issues as it expands the
exported API surface, making it different between release & debug builds.

Instead, this change adds a way to request this via an option bit, and
return it via indices[] - instead of per-vertex information, we return
this per-triangle-corner. It's not exactly identical, as there's some
redundancy, but per-corner metadata is nice in general and this is
generally sufficient to do the requisite visualization.

The newly added option bit is *not* part of the official API surface -
the format of the data may change at any point, and the entire feature
may get dropped at any point once it stops being useful.
---
 src/simplifier.cpp | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index e59b4afcd9..6e93ea53e3 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1546,8 +1546,13 @@ static float interpolate(float y, float x0, float y0, float x1, float y1, float
 
 } // namespace meshopt
 
+// Note: this is only exposed for debug visualization purposes; do *not* use
+enum
+{
+	meshopt_SimplifyInternalDebug = 1 << 30
+};
+
 #ifndef NDEBUG
-// Note: this is only exposed for debug visualization purposes; do *not* use these in debug builds
 MESHOPTIMIZER_API unsigned char* meshopt_simplifyDebugKind = NULL;
 MESHOPTIMIZER_API unsigned int* meshopt_simplifyDebugLoop = NULL;
 MESHOPTIMIZER_API unsigned int* meshopt_simplifyDebugLoopBack = NULL;
@@ -1561,7 +1566,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	assert(vertex_positions_stride >= 12 && vertex_positions_stride <= 256);
 	assert(vertex_positions_stride % sizeof(float) == 0);
 	assert(target_index_count <= index_count);
-	assert((options & ~(meshopt_SimplifyLockBorder | meshopt_SimplifySparse | meshopt_SimplifyErrorAbsolute)) == 0);
+	assert((options & ~(meshopt_SimplifyLockBorder | meshopt_SimplifySparse | meshopt_SimplifyErrorAbsolute | meshopt_SimplifyInternalDebug)) == 0);
 	assert(vertex_attributes_stride >= attribute_count * sizeof(float) && vertex_attributes_stride <= 256);
 	assert(vertex_attributes_stride % sizeof(float) == 0);
 	assert(attribute_count <= kMaxAttributes);
@@ -1705,6 +1710,21 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	printf("result: %d triangles, error: %e; total %d passes\n", int(result_count / 3), sqrtf(result_error), int(pass_count));
 #endif
 
+	// if debug visualization data is requested, fill it instead of index data; for simplicity, this doesn't work with sparsity
+	if ((options & meshopt_SimplifyInternalDebug) && !sparse_remap)
+	{
+		assert(Kind_Count <= 8 && vertex_count < (1 << 28)); // 3 bit kind, 1 bit loop
+
+		for (size_t i = 0; i < result_count; i += 3)
+		{
+			unsigned int a = result[i + 0], b = result[i + 1], c = result[i + 2];
+
+			result[i + 0] |= (vertex_kind[a] << 28) | (unsigned(loop[a] == b || loopback[b] == a) << 31);
+			result[i + 1] |= (vertex_kind[b] << 28) | (unsigned(loop[b] == c || loopback[c] == b) << 31);
+			result[i + 2] |= (vertex_kind[c] << 28) | (unsigned(loop[c] == a || loopback[a] == c) << 31);
+		}
+	}
+
 #ifndef NDEBUG
 	if (meshopt_simplifyDebugKind)
 		memcpy(meshopt_simplifyDebugKind, vertex_kind, vertex_count);

From b42333e295dba59fd3d1b0eb30f0d0c4d6446945 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 11 Jul 2024 12:10:26 -0700
Subject: [PATCH 153/581] gltfpack: Switch to SimplifyInternalDebug for
 debugSimplify

This code reworks the debug visualization for simplification to use new
internal feature that communicates metadata via index data.

For now we draw loops even for locked vertices and don't make an attempt
to deduplicate points or lines, as visualization performance is not
critical, and locked loops actually make it easier to debug in some
cases.
---
 gltf/mesh.cpp | 78 +++++++++++++++++++++------------------------------
 1 file changed, 32 insertions(+), 46 deletions(-)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index a956569ab8..99950767ba 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -527,8 +527,13 @@ static Stream* getStream(Mesh& mesh, cgltf_attribute_type type, int index = 0)
 	return NULL;
 }
 
-static void simplifyMesh(Mesh& mesh, float threshold, bool attributes, bool aggressive, bool lock_borders)
+static void simplifyMesh(Mesh& mesh, float threshold, bool attributes, bool aggressive, bool lock_borders, bool debug = false)
 {
+	enum
+	{
+		meshopt_SimplifyInternalDebug = 1 << 30
+	};
+
 	assert(mesh.type == cgltf_primitive_type_triangles);
 
 	if (mesh.indices.empty())
@@ -543,7 +548,11 @@ static void simplifyMesh(Mesh& mesh, float threshold, bool attributes, bool aggr
 	size_t target_index_count = size_t(double(mesh.indices.size() / 3) * threshold) * 3;
 	float target_error = 1e-2f;
 	float target_error_aggressive = 1e-1f;
-	unsigned int options = lock_borders ? meshopt_SimplifyLockBorder : 0;
+	unsigned int options = 0;
+	if (lock_borders)
+		options |= meshopt_SimplifyLockBorder;
+	if (debug)
+		options |= meshopt_SimplifyInternalDebug;
 
 	const Stream* attr = getStream(mesh, cgltf_attribute_type_color);
 	attr = attr ? attr : getStream(mesh, cgltf_attribute_type_normal);
@@ -784,10 +793,6 @@ void processMesh(Mesh& mesh, const Settings& settings)
 }
 
 #ifndef NDEBUG
-extern MESHOPTIMIZER_API unsigned char* meshopt_simplifyDebugKind;
-extern MESHOPTIMIZER_API unsigned int* meshopt_simplifyDebugLoop;
-extern MESHOPTIMIZER_API unsigned int* meshopt_simplifyDebugLoopBack;
-
 void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio, bool attributes)
 {
 	Mesh mesh = source;
@@ -799,27 +804,9 @@ void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio, bo
 	reindexMesh(mesh);
 	filterTriangles(mesh);
 
-	// before simplification we need to setup target kind/loop arrays
 	size_t vertex_count = mesh.streams[0].data.size();
 
-	std::vector<unsigned char> kind(vertex_count);
-	std::vector<unsigned int> loop(vertex_count);
-	std::vector<unsigned int> loopback(vertex_count);
-	std::vector<unsigned char> live(vertex_count);
-
-	meshopt_simplifyDebugKind = &kind[0];
-	meshopt_simplifyDebugLoop = &loop[0];
-	meshopt_simplifyDebugLoopBack = &loopback[0];
-
-	simplifyMesh(mesh, ratio, attributes, /* aggressive= */ false, /* lock_borders= */ false);
-
-	meshopt_simplifyDebugKind = NULL;
-	meshopt_simplifyDebugLoop = NULL;
-	meshopt_simplifyDebugLoopBack = NULL;
-
-	// fill out live info
-	for (size_t i = 0; i < mesh.indices.size(); ++i)
-		live[mesh.indices[i]] = true;
+	simplifyMesh(mesh, ratio, attributes, /* aggressive= */ false, /* lock_borders= */ false, /* debug= */ true);
 
 	// color palette for display
 	static const Attr kPalette[] = {
@@ -850,38 +837,37 @@ void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio, bo
 
 	// transform kind/loop data into lines & points
 	Stream colors = {cgltf_attribute_type_color};
-	colors.data.resize(vertex_count);
-
-	for (size_t i = 0; i < vertex_count; ++i)
-		colors.data[i] = kPalette[kind[i]];
+	colors.data.resize(vertex_count, kPalette[0]);
 
 	kinds.type = cgltf_primitive_type_points;
-
-	kinds.streams.push_back(colors);
-
-	for (size_t i = 0; i < vertex_count; ++i)
-		if (live[i] && kind[i] != 0)
-			kinds.indices.push_back(unsigned(i));
-
 	loops.type = cgltf_primitive_type_lines;
 
-	loops.streams.push_back(colors);
-
-	for (size_t i = 0; i < vertex_count; ++i)
-		if (live[i] && (kind[i] == 1 || kind[i] == 2))
+	for (size_t i = 0; i < mesh.indices.size(); i += 3)
+	{
+		for (int k = 0; k < 3; ++k)
 		{
-			if (loop[i] != ~0u && live[loop[i]])
+			const unsigned int mask = (1 << 28) - 1;
+			unsigned int v = mesh.indices[i + k];
+			unsigned int next = mesh.indices[i + (k + 1) % 3];
+			unsigned int vk = (v >> 28) & 7;
+			unsigned int vl = v >> 31;
+
+			if (vk)
 			{
-				loops.indices.push_back(unsigned(i));
-				loops.indices.push_back(loop[i]);
+				colors.data[v & mask] = kPalette[vk];
+				kinds.indices.push_back(v & mask);
 			}
 
-			if (loopback[i] != ~0u && live[loopback[i]])
+			if (vl)
 			{
-				loops.indices.push_back(loopback[i]);
-				loops.indices.push_back(unsigned(i));
+				loops.indices.push_back(v & mask);
+				loops.indices.push_back(next & mask);
 			}
 		}
+	}
+
+	kinds.streams.push_back(colors);
+	loops.streams.push_back(colors);
 }
 
 void debugMeshlets(const Mesh& source, Mesh& meshlets, int max_vertices, bool scan)

From 3c6f9b0e25d56dc4b501ddb855f034c594998444 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 11 Jul 2024 12:13:07 -0700
Subject: [PATCH 154/581] simplify: Clean up old meshopt_simplifyDebug symbols

We no longer rely on these in gltfpack.
---
 src/simplifier.cpp | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 6e93ea53e3..d19e25fd5c 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1552,12 +1552,6 @@ enum
 	meshopt_SimplifyInternalDebug = 1 << 30
 };
 
-#ifndef NDEBUG
-MESHOPTIMIZER_API unsigned char* meshopt_simplifyDebugKind = NULL;
-MESHOPTIMIZER_API unsigned int* meshopt_simplifyDebugLoop = NULL;
-MESHOPTIMIZER_API unsigned int* meshopt_simplifyDebugLoopBack = NULL;
-#endif
-
 size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride, const float* vertex_attributes_data, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, const unsigned char* vertex_lock, size_t target_index_count, float target_error, unsigned int options, float* out_result_error)
 {
 	using namespace meshopt;
@@ -1725,17 +1719,6 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 		}
 	}
 
-#ifndef NDEBUG
-	if (meshopt_simplifyDebugKind)
-		memcpy(meshopt_simplifyDebugKind, vertex_kind, vertex_count);
-
-	if (meshopt_simplifyDebugLoop)
-		memcpy(meshopt_simplifyDebugLoop, loop, vertex_count * sizeof(unsigned int));
-
-	if (meshopt_simplifyDebugLoopBack)
-		memcpy(meshopt_simplifyDebugLoopBack, loopback, vertex_count * sizeof(unsigned int));
-#endif
-
 	// convert resulting indices back into the dense space of the larger mesh
 	if (sparse_remap)
 		for (size_t i = 0; i < result_count; ++i)

From 491c7d50d24a00814a6e088314e169b24491fe54 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 12 Jul 2024 11:02:52 -0700
Subject: [PATCH 155/581] demo: Add a variant of simplifyAttr test with skipped
 attribute

The construction of inputs to this test actually only requires one of
the attributes to be present, as the middle edge of the mesh has a
gradient shift on any of them, so this doesn't change the simplification
behavior but will help make sure a future optimization preserves the
behavior here.

Also change processDev to call simplifyAttr for mesh testing.
---
 demo/main.cpp  | 3 +--
 demo/tests.cpp | 7 ++++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index f93bf34e86..6f956fe47d 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -1303,8 +1303,7 @@ void processDev(const char* path)
 	if (!loadMesh(mesh, path))
 		return;
 
-	simplify(mesh);
-	simplifyClusters(mesh);
+	simplifyAttr(mesh);
 }
 
 int main(int argc, char** argv)
diff --git a/demo/tests.cpp b/demo/tests.cpp
index 83e2b25a64..c24e25efaf 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1136,7 +1136,7 @@ static void simplifyLockBorder()
 	assert(memcmp(ib, expected, sizeof(expected)) == 0);
 }
 
-static void simplifyAttr()
+static void simplifyAttr(bool skip_g)
 {
 	float vb[8 * 3][6];
 
@@ -1173,7 +1173,7 @@ static void simplifyAttr()
 		}
 	}
 
-	float attr_weights[3] = {0.01f, 0.01f, 0.01f};
+	float attr_weights[3] = {0.01f, skip_g ? 0.f : 0.01f, 0.01f};
 
 	unsigned int expected[3][6] = {
 	    {0, 2, 9, 9, 2, 11},
@@ -1551,7 +1551,8 @@ void runTests()
 	simplifyScale();
 	simplifyDegenerate();
 	simplifyLockBorder();
-	simplifyAttr();
+	simplifyAttr(/* skip_g= */ false);
+	simplifyAttr(/* skip_g= */ true);
 	simplifyLockFlags();
 	simplifySparse();
 	simplifyErrorAbsolute();

From 1e141fa5669baf99f64ff6eade70571b34dc7a86 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 12 Jul 2024 11:12:22 -0700
Subject: [PATCH 156/581] simplify: Only allocate and compute quadrics for used
 attributes

If some input attributes have weight=0, we allocate and compute quadrics
for those regardless of the fact that we do not need this attribute.
This makes simplification more expensive when used with many attributes
some of which are disabled via weight=0, requiring the caller to
restructure the input data for optimal processing.

With this change, we remap attributes during rescaling and recompute
attribute_count to make this easier. In the future we could also detect
attributes that are constant across the entire mesh, as these also
should not be necessary to take into account.
---
 src/simplifier.cpp | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index d19e25fd5c..8fc5f2b92b 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -503,7 +503,7 @@ static float rescalePositions(Vector3* result, const float* vertex_positions_dat
 	return extent;
 }
 
-static void rescaleAttributes(float* result, const float* vertex_attributes_data, size_t vertex_count, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, const unsigned int* sparse_remap)
+static void rescaleAttributes(float* result, const float* vertex_attributes_data, size_t vertex_count, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, const unsigned int* attribute_remap, const unsigned int* sparse_remap)
 {
 	size_t vertex_attributes_stride_float = vertex_attributes_stride / sizeof(float);
 
@@ -513,9 +513,10 @@ static void rescaleAttributes(float* result, const float* vertex_attributes_data
 
 		for (size_t k = 0; k < attribute_count; ++k)
 		{
-			float a = vertex_attributes_data[ri * vertex_attributes_stride_float + k];
+			unsigned int rk = attribute_remap[k];
+			float a = vertex_attributes_data[ri * vertex_attributes_stride_float + rk];
 
-			result[i * attribute_count + k] = a * attribute_weights[k];
+			result[i * attribute_count + k] = a * attribute_weights[rk];
 		}
 	}
 }
@@ -1615,8 +1616,17 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 
 	if (attribute_count)
 	{
+		unsigned int attribute_remap[kMaxAttributes];
+
+		// remap attributes to only include ones with weight > 0 to minimize memory/compute overhead for quadrics
+		size_t attributes_used = 0;
+		for (size_t i = 0; i < attribute_count; ++i)
+			if (attribute_weights[i] > 0)
+				attribute_remap[attributes_used++] = unsigned(i);
+
+		attribute_count = attributes_used;
 		vertex_attributes = allocator.allocate<float>(vertex_count * attribute_count);
-		rescaleAttributes(vertex_attributes, vertex_attributes_data, vertex_count, vertex_attributes_stride, attribute_weights, attribute_count, sparse_remap);
+		rescaleAttributes(vertex_attributes, vertex_attributes_data, vertex_count, vertex_attributes_stride, attribute_weights, attribute_count, attribute_remap, sparse_remap);
 	}
 
 	Quadric* vertex_quadrics = allocator.allocate<Quadric>(vertex_count);

From f50fde575c066f24a5357624df568a7ccf4a9ee0 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 12 Jul 2024 11:15:34 -0700
Subject: [PATCH 157/581] simplify: Increase maximum number of attributes to 32

Generally speaking 16 is plenty, but there are some cases where it's not
quite enough and having some room would be good for experimentation.
---
 src/meshoptimizer.h | 2 +-
 src/simplifier.cpp  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 8b2345263d..76ce9d360e 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -362,7 +362,7 @@ MESHOPTIMIZER_API size_t meshopt_simplify(unsigned int* destination, const unsig
  *
  * vertex_attributes should have attribute_count floats for each vertex
  * attribute_weights should have attribute_count floats in total; the weights determine relative priority of attributes between each other and wrt position. The recommended weight range is [1e-3..1e-1], assuming attribute data is in [0..1] range.
- * attribute_count must be <= 16
+ * attribute_count must be <= 32
  * vertex_lock can be NULL; when it's not NULL, it should have a value for each vertex; 1 denotes vertices that can't be moved
  * TODO target_error/result_error currently use combined distance+attribute error; this may change in the future
  */
diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 8fc5f2b92b..eb910b2ee6 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -521,7 +521,7 @@ static void rescaleAttributes(float* result, const float* vertex_attributes_data
 	}
 }
 
-static const size_t kMaxAttributes = 16;
+static const size_t kMaxAttributes = 32;
 
 struct Quadric
 {

From b9d18eddebdf3e081edc2249437c4e5898fbf524 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 12 Jul 2024 11:28:54 -0700
Subject: [PATCH 158/581] js: Update simplifier Wasm and calling code to allow
 max 32 attributes

Also assert that weights are non-negative.
---
 js/meshopt_simplifier.js        | 7 +++++--
 js/meshopt_simplifier.module.js | 7 +++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 25c378bcd1..42fbd32d88 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -4,7 +4,7 @@ var MeshoptSimplifier = (function() {
 	"use strict";
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
-	var wasm = 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IdwJbb;aZNhRkdna8RaR9ETmbada9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaga8Acx2fgKcwfhyaKclfh8Eaga9rcx2fgacwfhmaaclfhrcbhCcehYdnindna3aeydbcdtfydbgXa8ASmba3aeclfydbcdtfydbgLa8ASmbaXaLSmbagaLcx2fgLIdbagaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNaaIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb"; // embed! wasm
+	var wasm = 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A9hmekdnaLcv2aefc:q1jjbfRbbTmbaOaXcdtfydbaOa8Acdtfydb0mekdnaEaXcx2fgKIdwaEa8Acx2fgiIdwg8S:tgRaRNaKIdbaiIdbg8X:tg8Ra8RNaKIdlaiIdlg8V:tg8Ua8UNMM:rgIJbbbb9ETmbaRaI:vhRa8UaI:vh8Ua8RaI:vh8RkJbbacJbbacJbbjZaeceSEaLceSEh80dnaEaQaCc:e1jjbfydbcdtfydbcx2fgeIdwa8S:tg8WaRa8WaRNaeIdba8X:tg81a8RNa8UaeIdla8V:tg8ZNMMg8YN:tg8Wa8WNa81a8Ra8YN:tgRaRNa8Za8Ua8YN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOa8Acdtfydbc8S2fgeaRa80aINg8UaRNNg8YaeIdbMUdbaea8Ra8Ua8RNg80Ng81aeIdlMUdlaea8Wa8Ua8WNgINg8ZaeIdwMUdwaea80aRNg80aeIdxMUdxaeaIaRNgBaeIdzMUdzaeaIa8RNg83aeIdCMUdCaeaRa8Ua8Wa8SNaRa8XNa8Va8RNMM:mg8SNgINgRaeIdKMUdKaea8RaINg8RaeId3MUd3aea8WaINg8WaeIdaMUdaaeaIa8SNgIaeId8KMUd8Kaea8UaeIdyMUdya8KaOaXcdtfydbc8S2fgea8YaeIdbMUdbaea81aeIdlMUdlaea8ZaeIdwMUdwaea80aeIdxMUdxaeaBaeIdzMUdzaea83aeIdCMUdCaeaRaeIdKMUdKaea8RaeId3MUd3aea8WaeIdaMUdaaeaIaeId8KMUd8Kaea8UaeIdyMUdykaCclfgCcx9hmbkaYcxfhYa8Jcifg8Jad6mbka3TmbcbhYinJbbbbh8XaEabaYcdtfgeclfydbgKcx2fgCIdwaEaeydbgicx2fgXIdwg8Z:tg8Ra8RNaCIdbaXIdbgB:tg8Wa8WNaCIdlaXIdlg83:tg8Ua8UNMMg80aEaecwfydbg8Jcx2fgeIdwa8Z:tgINa8Ra8RaINa8WaeIdbaB:tg8SNa8UaeIdla83:tg8VNMMgRN:tJbbbbJbbjZa80aIaINa8Sa8SNa8Va8VNMMg81NaRaRN:tg8Y:va8YJbbbb9BEg8YNhUa81a8RNaIaRN:ta8YNh85a80a8VNa8UaRN:ta8YNh86a81a8UNa8VaRN:ta8YNh87a80a8SNa8WaRN:ta8YNh88a81a8WNa8SaRN:ta8YNh89a8Wa8VNa8Sa8UN:tgRaRNa8UaINa8Va8RN:tgRaRNa8Ra8SNaIa8WN:tgRaRNMM:r:rhRavaia32cdtfhCava8Ja32cdtfhXavaKa32cdtfh8Aa8Z:mh8:a83:mhZaB:mhncbhLa3hQJbbbbh8VJbbbbh8YJbbbbh80Jbbbbh81Jbbbbh8ZJbbbbhBJbbbbh83JbbbbhcJbbbbh9cinasc;WbfaLfgecwfaRa85a8AIdbaCIdbgI:tg8UNaUaXIdbaI:tg8SNMg8RNUdbaeclfaRa87a8UNa86a8SNMg8WNUdbaeaRa89a8UNa88a8SNMg8UNUdbaecxfaRa8: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;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkazaKa32cltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8Ambkazaia32cltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkaYcifgYad6mbkkasydlhJcbhednalTmbaJclfheaJydbh8AaAhCalhLcbhXincbaeydbgQa8A9RaCRbbcpeGEaXfhXaCcefhCaeclfheaQh8AaLcufgLmbkaXce4hekcuadae9Rcifg8Lcx2a8Lc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhhascxfasyd2gecdtfahBdbasaecefgCBd2ascxfaCcdtfcua8Lcdta8LcFFFFi0Ecbyd;S1jjbHjjjjbbgoBdbasaecdfgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbggBdbasaecifgCBd2ascxfaCcdtfalcbyd;S1jjbHjjjjbbg9eBdbasaeclfBd2a8PJbbjZamclGEhcJbbbbh83dnadak9nmbdna8Lci6mbaxaxNacacN:vhBa3clthTahcwfhSJbbbbh83inasclfabadgDalaOz:cjjjbabhicbhdcbhyinabaycdtfh8JcbheindnaOaiaefydbgXcdtgKfydbg8AaOa8Jaec:S1jjbfydbcdtfydbgCcdtfydbgLSmbaAaCfRbbgYcv2aAaXfRbbgQfc;a1jjbfRbbgwaQcv2aYfg5c;a1jjbfRbbgaVcFeGTmbdnaLa8A9nmba5c:q1jjbfRbbcFeGmekdnaQaY9hmbaQcufcFeGce0mba8MaKfydbaC9hmekahadcx2fg8AaCaXaacFeGgLEBdla8AaXaCaLEBdba8AaLawGcb9hBdwadcefhdkaeclfgecx9hmbkdnaycifgyaD9pmbaicxfhiadcifa8L9nmekkdnadmbaDhdxikcbhYinJbbbbJbbjZa8KaOahaYcx2fg8AydlgLa8AydbgQa8AydwgCEgicdtfydbgwc8S2gafgeIdygR:vaRJbbbb9BEaeIdwaEaQaLaCEgKcx2fgCIdwg8UNaeIdzaCIdbgINaeIdaMgRaRMMa8UNaeIdlaCIdlg8SNaeIdCa8UNaeId3MgRaRMMa8SNaeIdbaINaeIdxa8SNaeIdKMgRaRMMaINaeId8KMMM:lNh80JbbbbJbbjZa8KaOaQcdtfydbgyc8S2gXfgeIdygR:vaRJbbbb9BEaeIdwaEaLcx2fgCIdwg8WNaeIdzaCIdbg8XNaeIdaMgRaRMMa8WNaeIdlaCIdlg8VNaeIdCa8WNaeId3MgRaRMMa8VNaeIdba8XNaeIdxa8VNaeIdKMgRaRMMa8XNaeId8KMMM:lNh81a8Acwfh8Ja8Aclfh5dna3TmbaqaXfgXIdwa8WNaXIdza8XNaXIdaMgRaRMMa8WNaXIdla8VNaXIdCa8WNaXId3MgRaRMMa8VNaXIdba8XNaXIdxa8VNaXIdKMgRaRMMa8XNaXId8KMMMh8RavaLa32cdtfhCazaya32cltfheaXIdyh8Ya3hXinaCIdbgRJbbb;aNaecxfIdba8WaecwfIdbNa8XaeIdbNa8VaeclfIdbNMMMNaRaRNa8YNa8RMMh8RaCclfhCaeczfheaXcufgXmbkaqaafgXIdwa8UNaXIdzaINaXIdaMgRaRMMa8UNaXIdla8SNaXIdCa8UNaXId3MgRaRMMa8SNaXIdbaINaXIdxa8SNaXIdKMgRaRMMaINaXId8KMMMh8WavaKa32cdtfhCazawa32cltfheaXIdyh8Xa3hXinaCIdbgRJbbb;aNaecxfIdba8UaecwfIdbNaIaeIdbNa8SaeclfIdbNMMMNaRaRNa8XNa8WMMh8WaCclfhCaeczfheaXcufgXmbka80a8W:lMh80a81a8R:lMh81ka5aLaKa81a809FgeEBdba8AaQaiaeEBdba8Ja81a80aeEUdbaYcefgYad9hmbkasc;Wbfcbcj;abz:ljjjb8AaSheadhCinasc;WbfaeydbcO4c;8ZGfgXaXydbcefBdbaecxfheaCcufgCmbkcbhecbhCinasc;WbfaefgXydbh8AaXaCBdba8AaCfhCaeclfgecj;ab9hmbkcbheaShCinasc;WbfaCydbcO4c;8ZGfgXaXydbgXcefBdbaoaXcdtfaeBdbaCcxfhCadaecefge9hmbkaDak9RgXci9Uh9hdnalTmbcbheaghCinaCaeBdbaCclfhCalaecefge9hmbkkcbh9ia9ecbalz:ljjjbh6aXcO9Uh9ka9hce4h0asydwh9mcbhacbh5dninahaoa5cdtfydbcx2fg8JIdwg8RaB9Emeaaa9h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaaa9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgKcwfhyaKclfh8EaEa9rcx2fgwcwfhmawclfhrcbhCcehYdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNawIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb"; // embed! wasm
 
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 
@@ -214,7 +214,10 @@ var MeshoptSimplifier = (function() {
 			assert(target_error >= 0);
 			assert(Array.isArray(attribute_weights));
 			assert(vertex_attributes_stride >= attribute_weights.length);
-			assert(attribute_weights.length <= 16);
+			assert(attribute_weights.length <= 32);
+			for (var i = 0; i < attribute_weights.length; ++i) {
+				assert(attribute_weights[i] >= 0);
+			}
 
 			var options = 0;
 			for (var i = 0; i < (flags ? flags.length : 0); ++i) {
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index 74db1fb672..9b4a44d398 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -3,7 +3,7 @@
 var MeshoptSimplifier = (function() {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
-	var wasm = 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dbg8X:tg8Ra8RNaKIdlaiIdlg8V:tg8Ua8UNMM:rgIJbbbb9ETmbaRaI:vhRa8UaI:vh8Ua8RaI:vh8RkJbbacJbbacJbbjZaeceSEaLceSEh80dnagaQaCc:e1jjbfydbcdtfydbcx2fgeIdwa8S:tg8WaRa8WaRNaeIdba8X:tg81a8RNa8UaeIdla8V:tg8ZNMMg8YN:tg8Wa8WNa81a8Ra8YN:tgRaRNa8Za8Ua8YN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOa8Acdtfydbc8S2fgeaRa80aINg8UaRNNg8YaeIdbMUdbaea8Ra8Ua8RNg80Ng81aeIdlMUdlaea8Wa8Ua8WNgINg8ZaeIdwMUdwaea80aRNg80aeIdxMUdxaeaIaRNgBaeIdzMUdzaeaIa8RNg83aeIdCMUdCaeaRa8Ua8Wa8SNaRa8XNa8Va8RNMM:mg8SNgINgRaeIdKMUdKaea8RaINg8RaeId3MUd3aea8WaINg8WaeIdaMUdaaeaIa8SNgIaeId8KMUd8Kaea8UaeIdyMUdya8KaOaXcdtfydbc8S2fgea8YaeIdbMUdbaea81aeIdlMUdlaea8ZaeIdwMUdwaea80aeIdxMUdxaeaBaeIdzMUdzaea83aeIdCMUdCaeaRaeIdKMUdKaea8RaeId3MUd3aea8WaeIdaMUdaaeaIaeId8KMUd8Kaea8UaeIdyMUdykaCclfgCcx9hmbkaYcxfhYa8Jcifg8Jad6mbkaDTmbcbhYinJbbbbh8XagabaYcdtfgeclfydbgKcx2fgCIdwagaeydbgicx2fgXIdwg8Z:tg8Ra8RNaCIdbaXIdbgB:tg8Wa8WNaCIdlaXIdlg83:tg8Ua8UNMMg80agaecwfydbg8Jcx2fgeIdwa8Z:tgINa8Ra8RaINa8WaeIdbaB:tg8SNa8UaeIdla83:tg8VNMMgRN:tJbbbbJbbjZa80aIaINa8Sa8SNa8Va8VNMMg81NaRaRN:tg8Y:va8YJbbbb9BEg8YNhUa81a8RNaIaRN:ta8YNh85a80a8VNa8UaRN:ta8YNh86a81a8UNa8VaRN:ta8YNh87a80a8SNa8WaRN:ta8YNh88a81a8WNa8SaRN:ta8YNh89a8Wa8VNa8Sa8UN:tgRaRNa8UaINa8Va8RN:tgRaRNa8Ra8SNaIa8WN:tgRaRNMM:r:rhRavaiaD2cdtfhCava8JaD2cdtfhXavaKaD2cdtfh8Aa8Z:mh8:a83:mhZaB:mhncbhLaDhQJbbbbh8VJbbbbh8YJbbbbh80Jbbbbh81Jbbbbh8ZJbbbbhBJbbbbh83JbbbbhcJbbbbh9cinasc;WbfaLfgecwfaRa85a8AIdbaCIdbgI:tg8UNaUaXIdbaI:tg8SNMg8RNUdbaeclfaRa87a8UNa86a8SNMg8WNUdbaeaRa89a8UNa88a8SNMg8UNUdbaecxfaRa8: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;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkawaKaD2cltfhQcbhCaDh8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkawaiaD2cltfhQcbhCaDh8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkaYcifgYad6mbkkasydlhJcbhednalTmbaJclfheaJydbh8AaAhCalhLcbhXincbaeydbgQa8A9RaCRbbcpeGEaXfhXaCcefhCaeclfheaQh8AaLcufgLmbkaXce4hekcuadae9Rcifg8Lcx2a8Lc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhhascxfasyd2gecdtfahBdbasaecefgCBd2ascxfaCcdtfcua8Lcdta8LcFFFFi0Ecbyd;S1jjbHjjjjbbgzBdbasaecdfgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbg3BdbasaecifgCBd2ascxfaCcdtfalcbyd;S1jjbHjjjjbbg9eBdbasaeclfBd2a8PJbbjZamclGEhcJbbbbh83dnadak9nmbdna8Lci6mbaxaxNacacN:vhBaDclthTahcwfhSJbbbbh83inasclfabadgoalaOz:cjjjbabhicbhEcbhyinabaycdtfh8JcbheindnaOaiaefydbgXcdtgKfydbg8AaOa8Jaec:S1jjbfydbcdtfydbgCcdtfydbgLSmbaAaCfRbbgYcv2aAaXfRbbgQfc;a1jjbfRbbgaaQcv2aYfg5c;a1jjbfRbbgdVcFeGTmbdnaLa8A9nmba5c:q1jjbfRbbcFeGmekdnaQaY9hmbaQcufcFeGce0mba8MaKfydbaC9hmekahaEcx2fg8AaCaXadcFeGgLEBdla8AaXaCaLEBdba8AaLaaGcb9hBdwaEcefhEkaeclfgecx9hmbkdnaycifgyao9pmbaicxfhiaEcifa8L9nmekkdnaEmbaohdxikcbhYinJbbbbJbbjZa8KaOahaYcx2fg8AydlgLa8AydbgQa8AydwgCEgicdtfydbgac8S2gdfgeIdygR:vaRJbbbb9BEaeIdwagaQaLaCEgKcx2fgCIdwg8UNaeIdzaCIdbgINaeIdaMgRaRMMa8UNaeIdlaCIdlg8SNaeIdCa8UNaeId3MgRaRMMa8SNaeIdbaINaeIdxa8SNaeIdKMgRaRMMaINaeId8KMMM:lNh80JbbbbJbbjZa8KaOaQcdtfydbgyc8S2gXfgeIdygR:vaRJbbbb9BEaeIdwagaLcx2fgCIdwg8WNaeIdzaCIdbg8XNaeIdaMgRaRMMa8WNaeIdlaCIdlg8VNaeIdCa8WNaeId3MgRaRMMa8VNaeIdba8XNaeIdxa8VNaeIdKMgRaRMMa8XNaeId8KMMM:lNh81a8Acwfh8Ja8Aclfh5dnaDTmbaqaXfgXIdwa8WNaXIdza8XNaXIdaMgRaRMMa8WNaXIdla8VNaXIdCa8WNaXId3MgRaRMMa8VNaXIdba8XNaXIdxa8VNaXIdKMgRaRMMa8XNaXId8KMMMh8RavaLaD2cdtfhCawayaD2cltfheaXIdyh8YaDhXinaCIdbgRJbbb;aNaecxfIdba8WaecwfIdbNa8XaeIdbNa8VaeclfIdbNMMMNaRaRNa8YNa8RMMh8RaCclfhCaeczfheaXcufgXmbkaqadfgXIdwa8UNaXIdzaINaXIdaMgRaRMMa8UNaXIdla8SNaXIdCa8UNaXId3MgRaRMMa8SNaXIdbaINaXIdxa8SNaXIdKMgRaRMMaINaXId8KMMMh8WavaKaD2cdtfhCawaaaD2cltfheaXIdyh8XaDhXinaCIdbgRJbbb;aNaecxfIdba8UaecwfIdbNaIaeIdbNa8SaeclfIdbNMMMNaRaRNa8XNa8WMMh8WaCclfhCaeczfheaXcufgXmbka80a8W:lMh80a81a8R:lMh81ka5aLaKa81a809FgeEBdba8AaQaiaeEBdba8Ja81a80aeEUdbaYcefgYaE9hmbkasc;Wbfcbcj;abz:ljjjb8AaSheaEhCinasc;WbfaeydbcO4c;8ZGfgXaXydbcefBdbaecxfheaCcufgCmbkcbhecbhCinasc;WbfaefgXydbh8AaXaCBdba8AaCfhCaeclfgecj;ab9hmbkcbheaShCinasc;WbfaCydbcO4c;8ZGfgXaXydbgXcefBdbazaXcdtfaeBdbaCcxfhCaEaecefge9hmbkaoak9RgXci9Uh9hdnalTmbcbhea3hCinaCaeBdbaCclfhCalaecefge9hmbkkcbh9ia9ecbalz:ljjjbh6aXcO9Uh9ka9hce4h0asydwh9mcbhdcbh5dninahaza5cdtfydbcx2fg8JIdwg8RaB9Emeada9h9pmeJFFuuhRdna0aE9pmbahaza0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbada9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaga8Acx2fgKcwfhyaKclfh8Eaga9rcx2fgacwfhmaaclfhrcbhCcehYdnindna3aeydbcdtfydbgXa8ASmba3aeclfydbcdtfydbgLa8ASmbaXaLSmbagaLcx2fgLIdbagaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNaaIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb"; // embed! wasm
+	var wasm = 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A9hmekdnaLcv2aefc:q1jjbfRbbTmbaOaXcdtfydbaOa8Acdtfydb0mekdnaEaXcx2fgKIdwaEa8Acx2fgiIdwg8S:tgRaRNaKIdbaiIdbg8X:tg8Ra8RNaKIdlaiIdlg8V:tg8Ua8UNMM:rgIJbbbb9ETmbaRaI:vhRa8UaI:vh8Ua8RaI:vh8RkJbbacJbbacJbbjZaeceSEaLceSEh80dnaEaQaCc:e1jjbfydbcdtfydbcx2fgeIdwa8S:tg8WaRa8WaRNaeIdba8X:tg81a8RNa8UaeIdla8V:tg8ZNMMg8YN:tg8Wa8WNa81a8Ra8YN:tgRaRNa8Za8Ua8YN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOa8Acdtfydbc8S2fgeaRa80aINg8UaRNNg8YaeIdbMUdbaea8Ra8Ua8RNg80Ng81aeIdlMUdlaea8Wa8Ua8WNgINg8ZaeIdwMUdwaea80aRNg80aeIdxMUdxaeaIaRNgBaeIdzMUdzaeaIa8RNg83aeIdCMUdCaeaRa8Ua8Wa8SNaRa8XNa8Va8RNMM:mg8SNgINgRaeIdKMUdKaea8RaINg8RaeId3MUd3aea8WaINg8WaeIdaMUdaaeaIa8SNgIaeId8KMUd8Kaea8UaeIdyMUdya8KaOaXcdtfydbc8S2fgea8YaeIdbMUdbaea81aeIdlMUdlaea8ZaeIdwMUdwaea80aeIdxMUdxaeaBaeIdzMUdzaea83aeIdCMUdCaeaRaeIdKMUdKaea8RaeId3MUd3aea8WaeIdaMUdaaeaIaeId8KMUd8Kaea8UaeIdyMUdykaCclfgCcx9hmbkaYcxfhYa8Jcifg8Jad6mbka3TmbcbhYinJbbbbh8XaEabaYcdtfgeclfydbgKcx2fgCIdwaEaeydbgicx2fgXIdwg8Z:tg8Ra8RNaCIdbaXIdbgB:tg8Wa8WNaCIdlaXIdlg83:tg8Ua8UNMMg80aEaecwfydbg8Jcx2fgeIdwa8Z:tgINa8Ra8RaINa8WaeIdbaB:tg8SNa8UaeIdla83:tg8VNMMgRN:tJbbbbJbbjZa80aIaINa8Sa8SNa8Va8VNMMg81NaRaRN:tg8Y:va8YJbbbb9BEg8YNhUa81a8RNaIaRN:ta8YNh85a80a8VNa8UaRN:ta8YNh86a81a8UNa8VaRN:ta8YNh87a80a8SNa8WaRN:ta8YNh88a81a8WNa8SaRN:ta8YNh89a8Wa8VNa8Sa8UN:tgRaRNa8UaINa8Va8RN:tgRaRNa8Ra8SNaIa8WN:tgRaRNMM:r:rhRavaia32cdtfhCava8Ja32cdtfhXavaKa32cdtfh8Aa8Z:mh8:a83:mhZaB:mhncbhLa3hQJbbbbh8VJbbbbh8YJbbbbh80Jbbbbh81Jbbbbh8ZJbbbbhBJbbbbh83JbbbbhcJbbbbh9cinasc;WbfaLfgecwfaRa85a8AIdbaCIdbgI:tg8UNaUaXIdbaI:tg8SNMg8RNUdbaeclfaRa87a8UNa86a8SNMg8WNUdbaeaRa89a8UNa88a8SNMg8UNUdbaecxfaRa8: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;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkazaKa32cltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8Ambkazaia32cltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkaYcifgYad6mbkkasydlhJcbhednalTmbaJclfheaJydbh8AaAhCalhLcbhXincbaeydbgQa8A9RaCRbbcpeGEaXfhXaCcefhCaeclfheaQh8AaLcufgLmbkaXce4hekcuadae9Rcifg8Lcx2a8Lc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhhascxfasyd2gecdtfahBdbasaecefgCBd2ascxfaCcdtfcua8Lcdta8LcFFFFi0Ecbyd;S1jjbHjjjjbbgoBdbasaecdfgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbggBdbasaecifgCBd2ascxfaCcdtfalcbyd;S1jjbHjjjjbbg9eBdbasaeclfBd2a8PJbbjZamclGEhcJbbbbh83dnadak9nmbdna8Lci6mbaxaxNacacN:vhBa3clthTahcwfhSJbbbbh83inasclfabadgDalaOz:cjjjbabhicbhdcbhyinabaycdtfh8JcbheindnaOaiaefydbgXcdtgKfydbg8AaOa8Jaec:S1jjbfydbcdtfydbgCcdtfydbgLSmbaAaCfRbbgYcv2aAaXfRbbgQfc;a1jjbfRbbgwaQcv2aYfg5c;a1jjbfRbbgaVcFeGTmbdnaLa8A9nmba5c:q1jjbfRbbcFeGmekdnaQaY9hmbaQcufcFeGce0mba8MaKfydbaC9hmekahadcx2fg8AaCaXaacFeGgLEBdla8AaXaCaLEBdba8AaLawGcb9hBdwadcefhdkaeclfgecx9hmbkdnaycifgyaD9pmbaicxfhiadcifa8L9nmekkdnadmbaDhdxikcbhYinJbbbbJbbjZa8KaOahaYcx2fg8AydlgLa8AydbgQa8AydwgCEgicdtfydbgwc8S2gafgeIdygR:vaRJbbbb9BEaeIdwaEaQaLaCEgKcx2fgCIdwg8UNaeIdzaCIdbgINaeIdaMgRaRMMa8UNaeIdlaCIdlg8SNaeIdCa8UNaeId3MgRaRMMa8SNaeIdbaINaeIdxa8SNaeIdKMgRaRMMaINaeId8KMMM:lNh80JbbbbJbbjZa8KaOaQcdtfydbgyc8S2gXfgeIdygR:vaRJbbbb9BEaeIdwaEaLcx2fgCIdwg8WNaeIdzaCIdbg8XNaeIdaMgRaRMMa8WNaeIdlaCIdlg8VNaeIdCa8WNaeId3MgRaRMMa8VNaeIdba8XNaeIdxa8VNaeIdKMgRaRMMa8XNaeId8KMMM:lNh81a8Acwfh8Ja8Aclfh5dna3TmbaqaXfgXIdwa8WNaXIdza8XNaXIdaMgRaRMMa8WNaXIdla8VNaXIdCa8WNaXId3MgRaRMMa8VNaXIdba8XNaXIdxa8VNaXIdKMgRaRMMa8XNaXId8KMMMh8RavaLa32cdtfhCazaya32cltfheaXIdyh8Ya3hXinaCIdbgRJbbb;aNaecxfIdba8WaecwfIdbNa8XaeIdbNa8VaeclfIdbNMMMNaRaRNa8YNa8RMMh8RaCclfhCaeczfheaXcufgXmbkaqaafgXIdwa8UNaXIdzaINaXIdaMgRaRMMa8UNaXIdla8SNaXIdCa8UNaXId3MgRaRMMa8SNaXIdbaINaXIdxa8SNaXIdKMgRaRMMaINaXId8KMMMh8WavaKa32cdtfhCazawa32cltfheaXIdyh8Xa3hXinaCIdbgRJbbb;aNaecxfIdba8UaecwfIdbNaIaeIdbNa8SaeclfIdbNMMMNaRaRNa8XNa8WMMh8WaCclfhCaeczfheaXcufgXmbka80a8W:lMh80a81a8R:lMh81ka5aLaKa81a809FgeEBdba8AaQaiaeEBdba8Ja81a80aeEUdbaYcefgYad9hmbkasc;Wbfcbcj;abz:ljjjb8AaSheadhCinasc;WbfaeydbcO4c;8ZGfgXaXydbcefBdbaecxfheaCcufgCmbkcbhecbhCinasc;WbfaefgXydbh8AaXaCBdba8AaCfhCaeclfgecj;ab9hmbkcbheaShCinasc;WbfaCydbcO4c;8ZGfgXaXydbgXcefBdbaoaXcdtfaeBdbaCcxfhCadaecefge9hmbkaDak9RgXci9Uh9hdnalTmbcbheaghCinaCaeBdbaCclfhCalaecefge9hmbkkcbh9ia9ecbalz:ljjjbh6aXcO9Uh9ka9hce4h0asydwh9mcbhacbh5dninahaoa5cdtfydbcx2fg8JIdwg8RaB9Emeaaa9h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaaa9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgKcwfhyaKclfh8EaEa9rcx2fgwcwfhmawclfhrcbhCcehYdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNawIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb"; // embed! wasm
 
 	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
 
@@ -213,7 +213,10 @@ var MeshoptSimplifier = (function() {
 			assert(target_error >= 0);
 			assert(Array.isArray(attribute_weights));
 			assert(vertex_attributes_stride >= attribute_weights.length);
-			assert(attribute_weights.length <= 16);
+			assert(attribute_weights.length <= 32);
+			for (var i = 0; i < attribute_weights.length; ++i) {
+				assert(attribute_weights[i] >= 0);
+			}
 
 			var options = 0;
 			for (var i = 0; i < (flags ? flags.length : 0); ++i) {

From e3f97f216d1881657aaf781603b91d1fe5625ae7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 12 Jul 2024 11:33:08 -0700
Subject: [PATCH 159/581] simplify: Assert that target error and weights are
 non-negative

Target error is squared during processing so negative values will behave
oddly in addition to being non-sensical; negative attribute weights are
currently benign but may lead to odd issues in the future, and we now
skip attributes with weight <= 0 so negative weight is clearly an error.
---
 src/simplifier.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index eb910b2ee6..34c4490a9c 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1561,10 +1561,13 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	assert(vertex_positions_stride >= 12 && vertex_positions_stride <= 256);
 	assert(vertex_positions_stride % sizeof(float) == 0);
 	assert(target_index_count <= index_count);
+	assert(target_error >= 0);
 	assert((options & ~(meshopt_SimplifyLockBorder | meshopt_SimplifySparse | meshopt_SimplifyErrorAbsolute | meshopt_SimplifyInternalDebug)) == 0);
 	assert(vertex_attributes_stride >= attribute_count * sizeof(float) && vertex_attributes_stride <= 256);
 	assert(vertex_attributes_stride % sizeof(float) == 0);
 	assert(attribute_count <= kMaxAttributes);
+	for (size_t i = 0; i < attribute_count; ++i)
+		assert(attribute_weights[i] >= 0);
 
 	meshopt_Allocator allocator;
 

From 92c22ab3bfd4b11124ada1c0bb8e3af10e1d5582 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 22 Jul 2024 08:55:25 -0700
Subject: [PATCH 160/581] gltfpack: Do not merge mesh primitives with different
 scenes

This results in some meshes migrating between scenes in case they were
detached from their existing nodes.
---
 gltf/gltfpack.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index e6afb21cd0..85c6ad0b92 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -560,7 +560,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		{
 			const Mesh& prim = meshes[pi];
 
-			if (prim.skin != mesh.skin || prim.targets != mesh.targets)
+			if (prim.scene != mesh.scene || prim.skin != mesh.skin || prim.targets != mesh.targets)
 				break;
 
 			if (pi > i && (mesh.instances.size() || prim.instances.size()))

From 3fa2e91660b0998cb40264904c325cdb106fd221 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 22 Jul 2024 10:39:47 -0700
Subject: [PATCH 161/581] Add Prettier config for JS/TS/HTML formatting

This helps ensure a consistent code style and helps editors like Zed
that do LSP format-on-save by default.
---
 .prettierrc | 7 +++++++
 Makefile    | 3 +++
 2 files changed, 10 insertions(+)
 create mode 100644 .prettierrc

diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000000..afa02a3af3
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,7 @@
+{
+	"useTabs": true,
+	"tabWidth": 4,
+	"semi": true,
+	"singleQuote": true,
+	"printWidth": 150,
+}
diff --git a/Makefile b/Makefile
index 2e6a838bfd..f7bf95f97b 100644
--- a/Makefile
+++ b/Makefile
@@ -107,6 +107,9 @@ dev: $(DEMO)
 format:
 	clang-format -i $(LIBRARY_SOURCES) $(DEMO_SOURCES) $(GLTFPACK_SOURCES)
 
+formatjs:
+	prettier -w js/*.js gltf/*.js demo/*.html js/*.ts
+
 js: js/meshopt_decoder.js js/meshopt_decoder.module.js js/meshopt_encoder.js js/meshopt_encoder.module.js js/meshopt_simplifier.js js/meshopt_simplifier.module.js
 
 symbols: $(BUILD)/amalgamated.so

From 3dea31b5c248594a62f49a3e41fc88d7ceae2de3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 22 Jul 2024 10:40:31 -0700
Subject: [PATCH 162/581] js: Reformat all sources with Prettier

---
 demo/demo.html                    | 105 +++++++-------
 demo/index.html                   |  57 ++++----
 demo/simplify.html                | 139 ++++++++++--------
 gltf/cli.js                       |   3 +-
 gltf/library.js                   |  80 +++++------
 js/benchmark.js                   |  55 ++++----
 js/index.js                       |   2 +-
 js/meshopt_decoder.js             | 105 +++++++-------
 js/meshopt_decoder.module.js      |  92 ++++++------
 js/meshopt_decoder.test.js        | 227 +++++++++++-------------------
 js/meshopt_decoder_reference.js   | 193 ++++++++++++-------------
 js/meshopt_encoder.js             |  68 ++++-----
 js/meshopt_encoder.module.d.ts    |   8 +-
 js/meshopt_encoder.module.js      |  55 ++++----
 js/meshopt_encoder.test.js        | 142 +++++--------------
 js/meshopt_simplifier.js          | 179 ++++++++++++++++++-----
 js/meshopt_simplifier.module.d.ts |  33 ++++-
 js/meshopt_simplifier.module.js   | 166 ++++++++++++++++++----
 js/meshopt_simplifier.test.js     | 153 ++++++--------------
 19 files changed, 970 insertions(+), 892 deletions(-)

diff --git a/demo/demo.html b/demo/demo.html
index 3b32876a1a..7c871e74b9 100644
--- a/demo/demo.html
+++ b/demo/demo.html
@@ -1,66 +1,67 @@
-<!DOCTYPE html>
+<!doctype html>
 <html>
-    <head>
-        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+	<head>
+		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 
-        <title>meshoptimizer - demo</title>
+		<title>meshoptimizer - demo</title>
 
-        <script src="https://preview.babylonjs.com/babylon.js"></script>
-        <script src="https://preview.babylonjs.com/loaders/babylon.glTF2FileLoader.js"></script>
+		<script src="https://preview.babylonjs.com/babylon.js"></script>
+		<script src="https://preview.babylonjs.com/loaders/babylon.glTF2FileLoader.js"></script>
 
-        <style>
-            html, body {
-                overflow: hidden;
-                width: 100%;
-                height: 100%;
-                margin: 0;
-                padding: 0;
-            }
+		<style>
+			html,
+			body {
+				overflow: hidden;
+				width: 100%;
+				height: 100%;
+				margin: 0;
+				padding: 0;
+			}
 
-            #renderCanvas {
-                width: 100%;
-                height: 100%;
-                touch-action: none;
-            }
-        </style>
-    </head>
-<body>
-    <canvas id="renderCanvas"></canvas>
-    <script>
-        // Optional - by default Babylon.JS will use bundled decoder module
-        BABYLON.GLTF2.Loader.Extensions.EXT_meshopt_compression.DecoderPath = '../js/meshopt_decoder.module.js';
+			#renderCanvas {
+				width: 100%;
+				height: 100%;
+				touch-action: none;
+			}
+		</style>
+	</head>
+	<body>
+		<canvas id="renderCanvas"></canvas>
+		<script>
+			// Optional - by default Babylon.JS will use bundled decoder module
+			BABYLON.GLTF2.Loader.Extensions.EXT_meshopt_compression.DecoderPath = '../js/meshopt_decoder.module.js';
 
-        var canvas = document.getElementById("renderCanvas");
+			var canvas = document.getElementById('renderCanvas');
 
-        var createScene = function () {
-            var scene = new BABYLON.Scene(engine);
+			var createScene = function () {
+				var scene = new BABYLON.Scene(engine);
 
-            var camera = new BABYLON.ArcRotateCamera("Camera", 0, 0.8, 10, BABYLON.Vector3.Zero(), scene);
-            camera.attachControl(canvas, false);
+				var camera = new BABYLON.ArcRotateCamera('Camera', 0, 0.8, 10, BABYLON.Vector3.Zero(), scene);
+				camera.attachControl(canvas, false);
 
-            BABYLON.SceneLoader.Append("", "pirate.glb", scene, function (newMeshes) {
-                scene.activeCamera = null;
-                scene.createDefaultCameraOrLight(true);
-                scene.activeCamera.attachControl(canvas, false);
-                scene.activeCamera.alpha = Math.PI / 2;
-            });
+				BABYLON.SceneLoader.Append('', 'pirate.glb', scene, function (newMeshes) {
+					scene.activeCamera = null;
+					scene.createDefaultCameraOrLight(true);
+					scene.activeCamera.attachControl(canvas, false);
+					scene.activeCamera.alpha = Math.PI / 2;
+				});
 
-            return scene;
-        }
+				return scene;
+			};
 
-        var engine = new BABYLON.Engine(canvas, true, { preserveDrawingBuffer: true, stencil: true });
-        var scene = createScene();
+			var engine = new BABYLON.Engine(canvas, true, { preserveDrawingBuffer: true, stencil: true });
+			var scene = createScene();
 
-        engine.runRenderLoop(function () {
-            if (scene) {
-                scene.render();
-            }
-        });
+			engine.runRenderLoop(function () {
+				if (scene) {
+					scene.render();
+				}
+			});
 
-        // Resize
-        window.addEventListener("resize", function () {
-            engine.resize();
-        });
-    </script>
-</body>
+			// Resize
+			window.addEventListener('resize', function () {
+				engine.resize();
+			});
+		</script>
+	</body>
 </html>
diff --git a/demo/index.html b/demo/index.html
index c0aaf6c5ce..d177bb2906 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -1,9 +1,9 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="en">
 	<head>
 		<title>meshoptimizer - demo</title>
-		<meta charset="utf-8">
-		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
+		<meta charset="utf-8" />
+		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0" />
 		<style>
 			body {
 				font-family: Monospace;
@@ -19,9 +19,15 @@
 				width: 100%;
 				text-align: center;
 				z-index: 100;
-				display:block;
+				display: block;
+			}
+			#info a,
+			.button {
+				color: #f00;
+				font-weight: bold;
+				text-decoration: underline;
+				cursor: pointer;
 			}
-			#info a, .button { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer }
 		</style>
 
 		<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
@@ -37,7 +43,7 @@
 
 	<body>
 		<div id="info">
-		<a href="https://github.com/zeux/meshoptimizer" target="_blank" rel="noopener">meshoptimizer</a>
+			<a href="https://github.com/zeux/meshoptimizer" target="_blank" rel="noopener">meshoptimizer</a>
 		</div>
 
 		<script type="module">
@@ -55,8 +61,7 @@
 			init();
 			animate();
 
-			function init()
-			{
+			function init() {
 				container = document.createElement('div');
 				document.body.appendChild(container);
 
@@ -82,21 +87,26 @@
 
 				var loader = new GLTFLoader();
 				loader.setMeshoptDecoder(MeshoptDecoder);
-				loader.load('pirate.glb', function (gltf) {
-					var bbox = new THREE.Box3().setFromObject(gltf.scene);
-					var scale = 2 / (bbox.max.y - bbox.min.y);
+				loader.load(
+					'pirate.glb',
+					function (gltf) {
+						var bbox = new THREE.Box3().setFromObject(gltf.scene);
+						var scale = 2 / (bbox.max.y - bbox.min.y);
 
-					gltf.scene.scale.set(scale, scale, scale);
-					gltf.scene.position.set(0, 0, 0);
+						gltf.scene.scale.set(scale, scale, scale);
+						gltf.scene.position.set(0, 0, 0);
 
-					scene.add(gltf.scene);
+						scene.add(gltf.scene);
 
-					mixer = new THREE.AnimationMixer(gltf.scene);
+						mixer = new THREE.AnimationMixer(gltf.scene);
 
-					if (gltf.animations.length) {
-						mixer.clipAction(gltf.animations[gltf.animations.length - 1]).play();
-					}
-				}, onProgress, onError);
+						if (gltf.animations.length) {
+							mixer.clipAction(gltf.animations[gltf.animations.length - 1]).play();
+						}
+					},
+					onProgress,
+					onError,
+				);
 
 				renderer = new THREE.WebGLRenderer();
 				renderer.setPixelRatio(window.devicePixelRatio);
@@ -108,8 +118,7 @@
 				clock = new THREE.Clock();
 			}
 
-			function onWindowResize()
-			{
+			function onWindowResize() {
 				windowHalfX = window.innerWidth / 2;
 				windowHalfY = window.innerHeight / 2;
 
@@ -119,8 +128,7 @@
 				renderer.setSize(window.innerWidth, window.innerHeight);
 			}
 
-			function animate()
-			{
+			function animate() {
 				if (mixer) {
 					mixer.update(clock.getDelta());
 				}
@@ -129,8 +137,7 @@
 				render();
 			}
 
-			function render()
-			{
+			function render() {
 				renderer.render(scene, camera);
 			}
 		</script>
diff --git a/demo/simplify.html b/demo/simplify.html
index d4b9534470..5987d1febe 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -1,9 +1,9 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="en">
 	<head>
 		<title>meshoptimizer - demo</title>
-		<meta charset="utf-8">
-		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
+		<meta charset="utf-8" />
+		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0" />
 		<style>
 			body {
 				font-family: Monospace;
@@ -19,9 +19,15 @@
 				width: 100%;
 				text-align: center;
 				z-index: 100;
-				display:block;
+				display: block;
+			}
+			#info a,
+			.button {
+				color: #f00;
+				font-weight: bold;
+				text-decoration: underline;
+				cursor: pointer;
 			}
-			#info a, .button { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer }
 		</style>
 
 		<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
@@ -37,7 +43,7 @@
 
 	<body>
 		<div id="info">
-		<a href="https://github.com/zeux/meshoptimizer" target="_blank" rel="noopener">meshoptimizer</a>
+			<a href="https://github.com/zeux/meshoptimizer" target="_blank" rel="noopener">meshoptimizer</a>
 		</div>
 
 		<script type="module">
@@ -62,10 +68,10 @@
 				normalWeight: 0.01,
 				colorWeight: 0.01,
 
-				loadFile: function() {
+				loadFile: function () {
 					var input = document.createElement('input');
 					input.type = 'file';
-					input.onchange = function() {
+					input.onchange = function () {
 						var uri = URL.createObjectURL(input.files[0]);
 
 						load(uri);
@@ -74,10 +80,10 @@
 					input.click();
 				},
 
-				updateModule: function() {
+				updateModule: function () {
 					reload();
 					simplify();
-				}
+				},
 			};
 
 			var gui = new GUI({ width: 300 });
@@ -113,46 +119,58 @@
 
 				var positions = new Float32Array(geo.attributes.position.array);
 				var indices = geo.index.original;
-				var target = Math.floor(indices.length * settings.ratio / 3) * 3;
+				var target = Math.floor((indices.length * settings.ratio) / 3) * 3;
 
-				if (settings.useAttributes)
-				{
+				if (settings.useAttributes) {
 					var attrib = new Float32Array(geo.attributes.position.count * attributes);
 
-					for (var i = 0, e = geo.attributes.position.count; i < e; ++i)
-					{
+					for (var i = 0, e = geo.attributes.position.count; i < e; ++i) {
 						if (geo.attributes.normal) {
-							attrib[i*attributes+0] = geo.attributes.normal.getX(i);
-							attrib[i*attributes+1] = geo.attributes.normal.getY(i);
-							attrib[i*attributes+2] = geo.attributes.normal.getZ(i);
+							attrib[i * attributes + 0] = geo.attributes.normal.getX(i);
+							attrib[i * attributes + 1] = geo.attributes.normal.getY(i);
+							attrib[i * attributes + 2] = geo.attributes.normal.getZ(i);
 						}
 
 						if (geo.attributes.color) {
-							attrib[i*attributes+3] = geo.attributes.color.getX(i);
-							attrib[i*attributes+4] = geo.attributes.color.getY(i);
-							attrib[i*attributes+5] = geo.attributes.color.getZ(i);
+							attrib[i * attributes + 3] = geo.attributes.color.getX(i);
+							attrib[i * attributes + 4] = geo.attributes.color.getY(i);
+							attrib[i * attributes + 5] = geo.attributes.color.getZ(i);
 						}
 					}
 
 					var attrib_weights = [
-						settings.normalWeight, settings.normalWeight, settings.normalWeight,
-						settings.colorWeight, settings.colorWeight, settings.colorWeight,
+						settings.normalWeight,
+						settings.normalWeight,
+						settings.normalWeight,
+						settings.colorWeight,
+						settings.colorWeight,
+						settings.colorWeight,
 					];
 				}
 
 				var flags = [];
 				if (settings.lockBorder) {
-					flags.push("LockBorder");
+					flags.push('LockBorder');
 				}
 
 				var threshold = Math.pow(10, -settings.errorThresholdLog10);
-				var stride = (geo.attributes.position instanceof THREE.InterleavedBufferAttribute) ? geo.attributes.position.data.stride : 3;
+				var stride = geo.attributes.position instanceof THREE.InterleavedBufferAttribute ? geo.attributes.position.data.stride : 3;
 
 				console.time('simplify');
 
-				var res =
-					settings.useAttributes
-					? MeshoptSimplifier.simplifyWithAttributes(indices, positions, stride, attrib, attributes, attrib_weights, null, target, threshold, flags)
+				var res = settings.useAttributes
+					? MeshoptSimplifier.simplifyWithAttributes(
+							indices,
+							positions,
+							stride,
+							attrib,
+							attributes,
+							attrib_weights,
+							null,
+							target,
+							threshold,
+							flags,
+						)
 					: MeshoptSimplifier.simplify(indices, positions, stride, target, threshold, flags);
 
 				console.timeEnd('simplify');
@@ -174,8 +192,11 @@
 					colors = new Float32Array(geo.attributes.color.array);
 				}
 
-				var pos_stride = (geo.attributes.position instanceof THREE.InterleavedBufferAttribute) ? geo.attributes.position.data.stride : 3;
-				var col_stride = (geo.attributes.color instanceof THREE.InterleavedBufferAttribute) ? geo.attributes.color.data.stride : geo.attributes.color.itemSize;
+				var pos_stride = geo.attributes.position instanceof THREE.InterleavedBufferAttribute ? geo.attributes.position.data.stride : 3;
+				var col_stride =
+					geo.attributes.color instanceof THREE.InterleavedBufferAttribute
+						? geo.attributes.color.data.stride
+						: geo.attributes.color.itemSize;
 
 				// note: we are converting source color array without normalization; if the color data is quantized, we need to divide by 255 to normalize it
 				var colorScale = geo.attributes.color && geo.attributes.color.normalized ? 255 : 1;
@@ -191,11 +212,10 @@
 				geo.index = new THREE.BufferAttribute(res, 1);
 			}
 
-			function simplify()
-			{
+			function simplify() {
 				MeshoptSimplifier.useExperimentalFeatures = true;
 
-				MeshoptSimplifier.ready.then(function() {
+				MeshoptSimplifier.ready.then(function () {
 					scene.traverse(function (object) {
 						if (object.isMesh) {
 							simplifyMesh(object.geometry);
@@ -207,21 +227,19 @@
 				});
 			}
 
-			function reload()
-			{
+			function reload() {
 				var simp = import('/js/meshopt_simplifier.module.js?x=' + Date.now());
 				MeshoptSimplifier.ready = simp.then(function (s) {
 					return s.MeshoptSimplifier.ready.then(function () {
 						for (var prop in s.MeshoptSimplifier) {
 							MeshoptSimplifier[prop] = s.MeshoptSimplifier[prop];
 						}
-					})
+					});
 				});
 			}
 
-			function update()
-			{
-				scene.traverse(function(child) {
+			function update() {
+				scene.traverse(function (child) {
 					if (child.isMesh) {
 						child.material.wireframe = settings.wireframe;
 					}
@@ -231,8 +249,7 @@
 				});
 			}
 
-			function load(path)
-			{
+			function load(path) {
 				if (model) {
 					scene.remove(model);
 					model = undefined;
@@ -245,28 +262,32 @@
 
 				var loader = new GLTFLoader();
 				loader.setMeshoptDecoder(MeshoptDecoder);
-				loader.load(path, function (gltf) {
-					model = gltf.scene;
+				loader.load(
+					path,
+					function (gltf) {
+						model = gltf.scene;
 
-					var bbox = new THREE.Box3().setFromObject(model);
-					var scale = 2 / (bbox.max.y - bbox.min.y);
-					var offset = -(bbox.min.y + bbox.max.y) / 2 * scale;
+						var bbox = new THREE.Box3().setFromObject(model);
+						var scale = 2 / (bbox.max.y - bbox.min.y);
+						var offset = (-(bbox.min.y + bbox.max.y) / 2) * scale;
 
-					model.scale.set(scale, scale, scale);
-					model.position.set(0, offset, 0);
+						model.scale.set(scale, scale, scale);
+						model.position.set(0, offset, 0);
 
-					scene.add(model);
+						scene.add(model);
 
-					mixer = new THREE.AnimationMixer(model);
+						mixer = new THREE.AnimationMixer(model);
 
-					if (gltf.animations.length) {
-						mixer.clipAction(gltf.animations[gltf.animations.length - 1]).play();
-					}
-				}, onProgress, onError);
+						if (gltf.animations.length) {
+							mixer.clipAction(gltf.animations[gltf.animations.length - 1]).play();
+						}
+					},
+					onProgress,
+					onError,
+				);
 			}
 
-			function init()
-			{
+			function init() {
 				container = document.createElement('div');
 				document.body.appendChild(container);
 
@@ -297,8 +318,7 @@
 				clock = new THREE.Clock();
 			}
 
-			function onWindowResize()
-			{
+			function onWindowResize() {
 				windowHalfX = window.innerWidth / 2;
 				windowHalfY = window.innerHeight / 2;
 
@@ -308,8 +328,7 @@
 				renderer.setSize(window.innerWidth, window.innerHeight);
 			}
 
-			function animate()
-			{
+			function animate() {
 				if (mixer) {
 					mixer.update(clock.getDelta());
 				}
diff --git a/gltf/cli.js b/gltf/cli.js
index a7bab5545e..bbfa79595d 100644
--- a/gltf/cli.js
+++ b/gltf/cli.js
@@ -15,7 +15,8 @@ var interface = {
 	},
 };
 
-gltfpack.pack(args, interface)
+gltfpack
+	.pack(args, interface)
 	.then(function (log) {
 		process.stdout.write(log);
 		process.exit(0);
diff --git a/gltf/library.js b/gltf/library.js
index 9a4c902b83..ecbd860bd5 100644
--- a/gltf/library.js
+++ b/gltf/library.js
@@ -9,7 +9,7 @@
  */
 function init(wasm) {
 	if (ready) {
-		throw new Error("init must be called once");
+		throw new Error('init must be called once');
 	}
 
 	ready = Promise.resolve(wasm)
@@ -35,11 +35,11 @@ function init(wasm) {
  */
 function pack(args, iface) {
 	if (!ready) {
-		throw new Error("init must be called before pack");
+		throw new Error('init must be called before pack');
 	}
 
 	var argv = args.slice();
-	argv.unshift("gltfpack");
+	argv.unshift('gltfpack');
 
 	return ready.then(function () {
 		var buf = uploadArgv(argv);
@@ -74,13 +74,12 @@ var instance;
 var fs_interface;
 
 var output = { data: new Uint8Array(), position: 0, size: 0 };
-var fds = { 1: output, 2: output, 3: { mount: "/", path: "/" }, 4: { mount: "/gltfpack-$pwd", path: "" } };
+var fds = { 1: output, 2: output, 3: { mount: '/', path: '/' }, 4: { mount: '/gltfpack-$pwd', path: '' } };
 
 var wasi = {
-	proc_exit: function(rval) {
-	},
+	proc_exit: function (rval) {},
 
-	fd_close: function(fd) {
+	fd_close: function (fd) {
 		if (!fds[fd]) {
 			return WASI_EBADF;
 		}
@@ -97,7 +96,7 @@ var wasi = {
 		}
 	},
 
-	fd_fdstat_get: function(fd, stat) {
+	fd_fdstat_get: function (fd, stat) {
 		if (!fds[fd]) {
 			return WASI_EBADF;
 		}
@@ -112,7 +111,7 @@ var wasi = {
 		return 0;
 	},
 
-	path_open32: function(parent_fd, dirflags, path, path_len, oflags, fs_rights_base, fs_rights_inheriting, fdflags, opened_fd) {
+	path_open32: function (parent_fd, dirflags, path, path_len, oflags, fs_rights_base, fs_rights_inheriting, fdflags, opened_fd) {
 		if (!fds[parent_fd] || fds[parent_fd].path === undefined) {
 			return WASI_EBADF;
 		}
@@ -150,7 +149,7 @@ var wasi = {
 		return 0;
 	},
 
-	path_filestat_get: function(parent_fd, flags, path, path_len, buf) {
+	path_filestat_get: function (parent_fd, flags, path, path_len, buf) {
 		if (!fds[parent_fd] || fds[parent_fd].path === undefined) {
 			return WASI_EBADF;
 		}
@@ -159,14 +158,13 @@ var wasi = {
 		var name = getString(heap.buffer, path, path_len);
 
 		var heap = getHeap();
-		for (var i = 0; i < 64; ++i)
-			heap.setUint8(buf + i, 0);
+		for (var i = 0; i < 64; ++i) heap.setUint8(buf + i, 0);
 
-		heap.setUint8(buf + 16, name == "." ? 3 : 4);
+		heap.setUint8(buf + 16, name == '.' ? 3 : 4);
 		return 0;
 	},
 
-	fd_prestat_get: function(fd, buf) {
+	fd_prestat_get: function (fd, buf) {
 		if (!fds[fd] || fds[fd].path === undefined) {
 			return WASI_EBADF;
 		}
@@ -179,7 +177,7 @@ var wasi = {
 		return 0;
 	},
 
-	fd_prestat_dir_name: function(fd, path, path_len) {
+	fd_prestat_dir_name: function (fd, path, path_len) {
 		if (!fds[fd] || fds[fd].path === undefined) {
 			return WASI_EBADF;
 		}
@@ -195,15 +193,15 @@ var wasi = {
 		return 0;
 	},
 
-	path_remove_directory: function(parent_fd, path, path_len) {
+	path_remove_directory: function (parent_fd, path, path_len) {
 		return WASI_EINVAL;
 	},
 
-	fd_fdstat_set_flags: function(fd, flags) {
+	fd_fdstat_set_flags: function (fd, flags) {
 		return WASI_ENOSYS;
 	},
 
-	fd_seek32: function(fd, offset, whence, newoffset) {
+	fd_seek32: function (fd, offset, whence, newoffset) {
 		if (!fds[fd]) {
 			return WASI_EBADF;
 		}
@@ -211,20 +209,20 @@ var wasi = {
 		var newposition;
 
 		switch (whence) {
-		case 0:
-			newposition = offset;
-			break;
+			case 0:
+				newposition = offset;
+				break;
 
-		case 1:
-			newposition = fds[fd].position + offset;
-			break;
+			case 1:
+				newposition = fds[fd].position + offset;
+				break;
 
-		case 2:
-			newposition = fds[fd].size;
-			break;
+			case 2:
+				newposition = fds[fd].size;
+				break;
 
-		default:
-			return WASI_EINVAL;
+			default:
+				return WASI_EINVAL;
 		}
 
 		if (newposition > fds[fd].size) {
@@ -238,7 +236,7 @@ var wasi = {
 		return 0;
 	},
 
-	fd_read: function(fd, iovs, iovs_len, nread) {
+	fd_read: function (fd, iovs, iovs_len, nread) {
 		if (!fds[fd]) {
 			return WASI_EBADF;
 		}
@@ -262,7 +260,7 @@ var wasi = {
 		return 0;
 	},
 
-	fd_write: function(fd, iovs, iovs_len, nwritten) {
+	fd_write: function (fd, iovs, iovs_len, nwritten) {
 		if (!fds[fd]) {
 			return WASI_EBADF;
 		}
@@ -362,13 +360,13 @@ if (typeof window === 'undefined' && typeof process !== 'undefined' && process.r
 
 // UMD
 (function (root, factory) {
-    if (typeof define === 'function' && define.amd) {
-        define([], factory);
-    } else if (typeof module === 'object' && module.exports) {
-        module.exports = factory();
-    } else {
-        root.gltfpack = factory();
-  }
-}(typeof self !== 'undefined' ? self : this, function () {
-    return { init, pack };
-}));
+	if (typeof define === 'function' && define.amd) {
+		define([], factory);
+	} else if (typeof module === 'object' && module.exports) {
+		module.exports = factory();
+	} else {
+		root.gltfpack = factory();
+	}
+})(typeof self !== 'undefined' ? self : this, function () {
+	return { init, pack };
+});
diff --git a/js/benchmark.js b/js/benchmark.js
index 328658a97b..70745d7912 100644
--- a/js/benchmark.js
+++ b/js/benchmark.js
@@ -2,7 +2,7 @@ var encoder = require('./meshopt_encoder.js');
 var decoder = require('./meshopt_decoder.js');
 var { performance } = require('perf_hooks');
 
-process.on('unhandledRejection', error => {
+process.on('unhandledRejection', (error) => {
 	console.log('unhandledRejection', error);
 	process.exit(1);
 });
@@ -12,12 +12,11 @@ function bytes(view) {
 }
 
 var tests = {
-	roundtripVertexBuffer: function() {
-		var N = 1024*1024;
+	roundtripVertexBuffer: function () {
+		var N = 1024 * 1024;
 		var data = new Uint8Array(N * 16);
 
-		for (var i = 0; i < N * 16; i += 4)
-		{
+		for (var i = 0; i < N * 16; i += 4) {
 			data[i + 0] = 0;
 			data[i + 1] = (i % 16) * 1;
 			data[i + 2] = (i % 16) * 2;
@@ -35,12 +34,11 @@ var tests = {
 		return { encodeVertex: t1 - t0, decodeVertex: t2 - t1, bytes: N * 16 };
 	},
 
-	roundtripIndexBuffer: function() {
-		var N = 1024*1024;
+	roundtripIndexBuffer: function () {
+		var N = 1024 * 1024;
 		var data = new Uint32Array(N * 3);
 
-		for (var i = 0; i < N * 3; i += 6)
-		{
+		for (var i = 0; i < N * 3; i += 6) {
 			var v = i / 6;
 
 			data[i + 0] = v;
@@ -63,12 +61,11 @@ var tests = {
 		return { encodeIndex: t1 - t0, decodeIndex: t2 - t1, bytes: N * 12 };
 	},
 
-	decodeGltf: function() {
-		var N = 1024*1024;
+	decodeGltf: function () {
+		var N = 1024 * 1024;
 		var data = new Uint8Array(N * 16);
 
-		for (var i = 0; i < N * 16; i += 4)
-		{
+		for (var i = 0; i < N * 16; i += 4) {
 			data[i + 0] = 0;
 			data[i + 1] = (i % 16) * 1;
 			data[i + 2] = (i % 16) * 2;
@@ -78,21 +75,21 @@ var tests = {
 		var decoded = new Uint8Array(N * 16);
 
 		var filters = [
-			{ name: "none", filter: "NONE", stride: 16 },
-			{ name: "oct4", filter: "OCTAHEDRAL", stride: 4 },
-			{ name: "oct12", filter: "OCTAHEDRAL", stride: 8 },
-			{ name: "quat12", filter: "QUATERNION", stride: 8 },
-			{ name: "exp", filter: "EXPONENTIAL", stride: 16 },
-			];
+			{ name: 'none', filter: 'NONE', stride: 16 },
+			{ name: 'oct4', filter: 'OCTAHEDRAL', stride: 4 },
+			{ name: 'oct12', filter: 'OCTAHEDRAL', stride: 8 },
+			{ name: 'quat12', filter: 'QUATERNION', stride: 8 },
+			{ name: 'exp', filter: 'EXPONENTIAL', stride: 16 },
+		];
 
 		var results = { bytes: N * 16 };
 
 		for (var i = 0; i < filters.length; ++i) {
 			var f = filters[i];
-			var encoded = encoder.encodeVertexBuffer(data, N * 16 / f.stride, f.stride);
+			var encoded = encoder.encodeVertexBuffer(data, (N * 16) / f.stride, f.stride);
 
 			var t0 = performance.now();
-			decoder.decodeGltfBuffer(decoded, N * 16 / f.stride, f.stride, encoded, "ATTRIBUTES", f.filter);
+			decoder.decodeGltfBuffer(decoded, (N * 16) / f.stride, f.stride, encoded, 'ATTRIBUTES', f.filter);
 			var t1 = performance.now();
 
 			results[f.name] = t1 - t0;
@@ -104,7 +101,7 @@ var tests = {
 
 Promise.all([encoder.ready, decoder.ready]).then(() => {
 	var reps = 10;
-	var data = {}
+	var data = {};
 
 	for (var key in tests) {
 		data[key] = tests[key]();
@@ -123,17 +120,17 @@ Promise.all([encoder.ready, decoder.ready]).then(() => {
 
 	for (var key in tests) {
 		var rep = key;
-		rep += ":\n";
+		rep += ':\n';
 
 		for (var idx in data[key]) {
-			if (idx != "bytes") {
+			if (idx != 'bytes') {
 				rep += idx;
-				rep += " ";
+				rep += ' ';
 				rep += data[key][idx];
-				rep += " ms (";
-				rep += data[key].bytes / 1024 / 1024 / 1024 / data[key][idx] * 1000;
-				rep += " GB/s)";
-				rep += "\n";
+				rep += ' ms (';
+				rep += (data[key].bytes / 1024 / 1024 / 1024 / data[key][idx]) * 1000;
+				rep += ' GB/s)';
+				rep += '\n';
 			}
 		}
 
diff --git a/js/index.js b/js/index.js
index dcdc56e75d..fee19c05e7 100644
--- a/js/index.js
+++ b/js/index.js
@@ -2,4 +2,4 @@ const MeshoptEncoder = require('./meshopt_encoder.js');
 const MeshoptDecoder = require('./meshopt_decoder.js');
 const MeshoptSimplifier = require('./meshopt_simplifier.js');
 
-module.exports = {MeshoptEncoder, MeshoptDecoder, MeshoptSimplifier};
+module.exports = { MeshoptEncoder, MeshoptDecoder, MeshoptSimplifier };
diff --git a/js/meshopt_decoder.js b/js/meshopt_decoder.js
index 978f8ff902..24a8c6f535 100644
--- a/js/meshopt_decoder.js
+++ b/js/meshopt_decoder.js
@@ -1,14 +1,22 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-var MeshoptDecoder = (function() {
-	"use strict";
+var MeshoptDecoder = (function () {
+	'use strict';
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
-	var wasm_base = "b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb"; // embed! base
-	var wasm_simd = "b9H79TebbbeKl9Gbb9Gvuuuuueu9Giuuub9Geueuikqbbebeedddilve9Weeeviebeoweuec:q;Aekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbdY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVblE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtboK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbrL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbwl79IV9RbDq:p9sqlbzik9:evu8Jjjjjbcz9Rhbcbheincbhdcbhiinabcwfadfaicjuaead4ceGglE86bbaialfhiadcefgdcw9hmbkaec:q:yjjbfai86bbaecitc:q1jjbfab8Piw83ibaecefgecjd9hmbkk:N8JlHud97euo978Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Rad;8qbbcj;abad9UhlaicefhodnaeTmbadTmbalc;WFbGglcjdalcjd6EhwcbhDinawaeaD9RaDawfae6Egqcsfglc9WGgkci2hxakcethmalcl4cifcd4hPabaDad2fhsakc;ab6hzcbhHincbhOaohAdndninaraA9RaP6meavcj;cbfaOak2fhCaAaPfhocbhidnazmbarao9Rc;Gb6mbcbhlinaCalfhidndndndndnaAalco4fRbbgXciGPlbedibkaipxbbbbbbbbbbbbbbbbpklbxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklbaoczfhokdndndndndnaXcd4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklzxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklzaoczfhokdndndndndnaXcl4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklaxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklaaoczfhokdndndndndnaXco4Plbedibkaipxbbbbbbbbbbbbbbbbpkl8WxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaoclfaYpQbfaXc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaocwfaYpQbfaXc:q:yjjbfRbbfhoxekaiaopbbbpkl8Waoczfhokalc;abfhialcjefak0meaihlarao9Rc;Fb0mbkkdnaiak9pmbaici4hlinarao9RcK6miaCaifhXdndndndndnaAaico4fRbbalcoG4ciGPlbedibkaXpxbbbbbbbbbbbbbbbbpkbbxikaXaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaXaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaXaopbbbpkbbaoczfhokalcdfhlaiczfgiak6mbkkaoTmeaohAaOcefgOclSmdxbkkc9:hoxlkdnakTmbavcjdfaHfhiavaHfpbdbhYcbhXinaiavcj;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;8qbbavavcjdfaqcufad2fad;8qbbaqaDfgDae6mbkkcbc99arao9Radcaadca0ESEhokavcj;kbf8Kjjjjbaokwbz:bjjjbk::seHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecje;8kbavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:wPliuo97eue978Jjjjjbca9Rhiaec98Ghldndnadcl9hmbdnalTmbcbhvabhdinadadpbbbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDpxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpkbbadczfhdavclfgval6mbkkalaeSmeaipxbbbbbbbbbbbbbbbbgqpklbaiabalcdtfgdaeciGglcdtgv;8qbbdnalTmbaiaipblbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDaqp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpklbkadaiav;8qbbskdnalTmbcbhvabhdinadczfgxaxpbbbgopxbbbbbbFFbbbbbbFFgkp9oadpbbbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Keczp:Rep9qgoarawp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogrpmwDKYqk8AExm35Ps8E8Fp9qpkbbadaDakp9oaoarpmbezHdiOAlvCXorQLp9qpkbbadcafhdavclfgval6mbkkalaeSmbaiaeciGgvcitgdfcbcaad9R;8kbaiabalcitfglad;8qbbdnavTmbaiaipblzgopxbbbbbbFFbbbbbbFFgkp9oaipblbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Ke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// embed! simd
-
-	var detector = new Uint8Array([0,97,115,109,1,0,0,0,1,4,1,96,0,0,3,3,2,0,0,5,3,1,0,1,12,1,0,10,22,2,12,0,65,0,65,0,65,0,252,10,0,0,11,7,0,65,0,253,15,26,11]);
-	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
+	var wasm_base =
+		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb'; // embed! base
+	var wasm_simd =
+		'b9H79TebbbeKl9Gbb9Gvuuuuueu9Giuuub9Geueuikqbbebeedddilve9Weeeviebeoweuec:q;Aekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbdY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVblE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtboK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbrL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbwl79IV9RbDq:p9sqlbzik9:evu8Jjjjjbcz9Rhbcbheincbhdcbhiinabcwfadfaicjuaead4ceGglE86bbaialfhiadcefgdcw9hmbkaec:q:yjjbfai86bbaecitc:q1jjbfab8Piw83ibaecefgecjd9hmbkk:N8JlHud97euo978Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Rad;8qbbcj;abad9UhlaicefhodnaeTmbadTmbalc;WFbGglcjdalcjd6EhwcbhDinawaeaD9RaDawfae6Egqcsfglc9WGgkci2hxakcethmalcl4cifcd4hPabaDad2fhsakc;ab6hzcbhHincbhOaohAdndninaraA9RaP6meavcj;cbfaOak2fhCaAaPfhocbhidnazmbarao9Rc;Gb6mbcbhlinaCalfhidndndndndnaAalco4fRbbgXciGPlbedibkaipxbbbbbbbbbbbbbbbbpklbxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklbaoczfhokdndndndndnaXcd4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklzxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklzaoczfhokdndndndndnaXcl4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklaxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklaaoczfhokdndndndndnaXco4Plbedibkaipxbbbbbbbbbbbbbbbbpkl8WxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaoclfaYpQbfaXc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaocwfaYpQbfaXc:q:yjjbfRbbfhoxekaiaopbbbpkl8Waoczfhokalc;abfhialcjefak0meaihlarao9Rc;Fb0mbkkdnaiak9pmbaici4hlinarao9RcK6miaCaifhXdndndndndnaAaico4fRbbalcoG4ciGPlbedibkaXpxbbbbbbbbbbbbbbbbpkbbxikaXaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaXaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaXaopbbbpkbbaoczfhokalcdfhlaiczfgiak6mbkkaoTmeaohAaOcefgOclSmdxbkkc9:hoxlkdnakTmbavcjdfaHfhiavaHfpbdbhYcbhXinaiavcj;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;8qbbavavcjdfaqcufad2fad;8qbbaqaDfgDae6mbkkcbc99arao9Radcaadca0ESEhokavcj;kbf8Kjjjjbaokwbz:bjjjbk::seHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecje;8kbavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:wPliuo97eue978Jjjjjbca9Rhiaec98Ghldndnadcl9hmbdnalTmbcbhvabhdinadadpbbbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDpxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpkbbadczfhdavclfgval6mbkkalaeSmeaipxbbbbbbbbbbbbbbbbgqpklbaiabalcdtfgdaeciGglcdtgv;8qbbdnalTmbaiaipblbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDaqp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpklbkadaiav;8qbbskdnalTmbcbhvabhdinadczfgxaxpbbbgopxbbbbbbFFbbbbbbFFgkp9oadpbbbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Keczp:Rep9qgoarawp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogrpmwDKYqk8AExm35Ps8E8Fp9qpkbbadaDakp9oaoarpmbezHdiOAlvCXorQLp9qpkbbadcafhdavclfgval6mbkkalaeSmbaiaeciGgvcitgdfcbcaad9R;8kbaiabalcitfglad;8qbbdnavTmbaiaipblzgopxbbbbbbFFbbbbbbFFgkp9oaipblbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp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// embed! simd
+
+	var detector = new Uint8Array([
+		0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 3, 2, 0, 0, 5, 3, 1, 0, 1, 12, 1, 0, 10, 22, 2, 12, 0, 65, 0, 65, 0, 65, 0, 252, 10, 0, 0,
+		11, 7, 0, 65, 0, 253, 15, 26, 11,
+	]);
+	var wasmpack = new Uint8Array([
+		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
+		24, 23, 146, 148, 18, 14, 22, 45, 70, 69, 56, 114, 101, 21, 25, 63, 75, 136, 108, 28, 118, 29, 73, 115,
+	]);
 
 	if (typeof WebAssembly !== 'object') {
 		return {
@@ -20,12 +28,10 @@ var MeshoptDecoder = (function() {
 
 	var instance;
 
-	var ready =
-		WebAssembly.instantiate(wasm, {})
-		.then(function(result) {
-			instance = result.instance;
-			instance.exports.__wasm_call_ctors();
-		});
+	var ready = WebAssembly.instantiate(wasm, {}).then(function (result) {
+		instance = result.instance;
+		instance.exports.__wasm_call_ctors();
+	});
 
 	function unpack(data) {
 		var result = new Uint8Array(data.length);
@@ -35,7 +41,7 @@ var MeshoptDecoder = (function() {
 		}
 		var write = 0;
 		for (var i = 0; i < data.length; ++i) {
-			result[write++] = (result[i] < 60) ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i];
+			result[write++] = result[i] < 60 ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i];
 		}
 		return result.buffer.slice(0, write);
 	}
@@ -54,21 +60,21 @@ var MeshoptDecoder = (function() {
 		target.set(heap.subarray(tp, tp + count * size));
 		sbrk(tp - sbrk(0));
 		if (res != 0) {
-			throw new Error("Malformed buffer data: " + res);
+			throw new Error('Malformed buffer data: ' + res);
 		}
 	}
 
 	var filters = {
-		NONE: "",
-		OCTAHEDRAL: "meshopt_decodeFilterOct",
-		QUATERNION: "meshopt_decodeFilterQuat",
-		EXPONENTIAL: "meshopt_decodeFilterExp",
+		NONE: '',
+		OCTAHEDRAL: 'meshopt_decodeFilterOct',
+		QUATERNION: 'meshopt_decodeFilterQuat',
+		EXPONENTIAL: 'meshopt_decodeFilterExp',
 	};
 
 	var decoders = {
-		ATTRIBUTES: "meshopt_decodeVertexBuffer",
-		TRIANGLES: "meshopt_decodeIndexBuffer",
-		INDICES: "meshopt_decodeIndexSequence",
+		ATTRIBUTES: 'meshopt_decodeVertexBuffer',
+		TRIANGLES: 'meshopt_decodeIndexBuffer',
+		INDICES: 'meshopt_decodeIndexSequence',
 	};
 
 	var workers = [];
@@ -78,10 +84,10 @@ var MeshoptDecoder = (function() {
 		var worker = {
 			object: new Worker(url),
 			pending: 0,
-			requests: {}
+			requests: {},
 		};
 
-		worker.object.onmessage = function(event) {
+		worker.object.onmessage = function (event) {
 			var data = event.data;
 
 			worker.pending -= data.count;
@@ -94,11 +100,17 @@ var MeshoptDecoder = (function() {
 
 	function initWorkers(count) {
 		var source =
-			"self.ready = WebAssembly.instantiate(new Uint8Array([" + new Uint8Array(wasm) + "]), {})" +
-			".then(function(result) { result.instance.exports.__wasm_call_ctors(); return result.instance; });" +
-			"self.onmessage = " + workerProcess.name + ";" + decode.toString() + workerProcess.toString();
-
-		var blob = new Blob([source], {type: 'text/javascript'});
+			'self.ready = WebAssembly.instantiate(new Uint8Array([' +
+			new Uint8Array(wasm) +
+			']), {})' +
+			'.then(function(result) { result.instance.exports.__wasm_call_ctors(); return result.instance; });' +
+			'self.onmessage = ' +
+			workerProcess.name +
+			';' +
+			decode.toString() +
+			workerProcess.toString();
+
+		var blob = new Blob([source], { type: 'text/javascript' });
 		var url = URL.createObjectURL(blob);
 
 		for (var i = workers.length; i < count; ++i) {
@@ -129,7 +141,7 @@ var MeshoptDecoder = (function() {
 
 			worker.pending += count;
 			worker.requests[id] = { resolve: resolve, reject: reject };
-			worker.object.postMessage({ id: id, count: count, size: size, source: data, mode: mode, filter: filter }, [ data.buffer ]);
+			worker.object.postMessage({ id: id, count: count, size: size, source: data, mode: mode, filter: filter }, [data.buffer]);
 		});
 	}
 
@@ -138,13 +150,13 @@ var MeshoptDecoder = (function() {
 		if (!data.id) {
 			return self.close();
 		}
-		self.ready.then(function(instance) {
+		self.ready.then(function (instance) {
 			try {
 				var target = new Uint8Array(data.count * data.size);
 				decode(instance, instance.exports[data.mode], target, data.count, data.size, data.source, instance.exports[data.filter]);
-				self.postMessage({ id: data.id, count: data.count, action: "resolve", value: target }, [ target.buffer ]);
+				self.postMessage({ id: data.id, count: data.count, action: 'resolve', value: target }, [target.buffer]);
 			} catch (error) {
-				self.postMessage({ id: data.id, count: data.count, action: "reject", value: error });
+				self.postMessage({ id: data.id, count: data.count, action: 'reject', value: error });
 			}
 		});
 	}
@@ -152,43 +164,40 @@ var MeshoptDecoder = (function() {
 	return {
 		ready: ready,
 		supported: true,
-		useWorkers: function(count) {
+		useWorkers: function (count) {
 			initWorkers(count);
 		},
-		decodeVertexBuffer: function(target, count, size, source, filter) {
+		decodeVertexBuffer: function (target, count, size, source, filter) {
 			decode(instance, instance.exports.meshopt_decodeVertexBuffer, target, count, size, source, instance.exports[filters[filter]]);
 		},
-		decodeIndexBuffer: function(target, count, size, source) {
+		decodeIndexBuffer: function (target, count, size, source) {
 			decode(instance, instance.exports.meshopt_decodeIndexBuffer, target, count, size, source);
 		},
-		decodeIndexSequence: function(target, count, size, source) {
+		decodeIndexSequence: function (target, count, size, source) {
 			decode(instance, instance.exports.meshopt_decodeIndexSequence, target, count, size, source);
 		},
-		decodeGltfBuffer: function(target, count, size, source, mode, filter) {
+		decodeGltfBuffer: function (target, count, size, source, mode, filter) {
 			decode(instance, instance.exports[decoders[mode]], target, count, size, source, instance.exports[filters[filter]]);
 		},
-		decodeGltfBufferAsync: function(count, size, source, mode, filter) {
+		decodeGltfBufferAsync: function (count, size, source, mode, filter) {
 			if (workers.length > 0) {
 				return decodeWorker(count, size, source, decoders[mode], filters[filter]);
 			}
 
-			return ready.then(function() {
+			return ready.then(function () {
 				var target = new Uint8Array(count * size);
 				decode(instance, instance.exports[decoders[mode]], target, count, size, source, instance.exports[filters[filter]]);
 				return target;
 			});
-		}
+		},
 	};
 })();
 
 // export! MeshoptDecoder
-if (typeof exports === 'object' && typeof module === 'object')
-	module.exports = MeshoptDecoder;
+if (typeof exports === 'object' && typeof module === 'object') module.exports = MeshoptDecoder;
 else if (typeof define === 'function' && define['amd'])
-	define([], function() {
+	define([], function () {
 		return MeshoptDecoder;
 	});
-else if (typeof exports === 'object')
-	exports["MeshoptDecoder"] = MeshoptDecoder;
-else
-	(typeof self !== 'undefined' ? self : this).MeshoptDecoder = MeshoptDecoder;
+else if (typeof exports === 'object') exports['MeshoptDecoder'] = MeshoptDecoder;
+else (typeof self !== 'undefined' ? self : this).MeshoptDecoder = MeshoptDecoder;
diff --git a/js/meshopt_decoder.module.js b/js/meshopt_decoder.module.js
index 6a3e919d1b..d65039d9e7 100644
--- a/js/meshopt_decoder.module.js
+++ b/js/meshopt_decoder.module.js
@@ -1,13 +1,21 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-var MeshoptDecoder = (function() {
+var MeshoptDecoder = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
-	var wasm_base = "b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb"; // embed! base
-	var wasm_simd = 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gYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfglaYaLa8ApmwDKYqk8AExm35Ps8E8FgQaQpmbedibedibedibedip9UgYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfhiaXczfgXak6mbkkaHclfgHad6mbkasavcjdfaqad2;8qbbavavcjdfaqcufad2fad;8qbbaqaDfgDae6mbkkcbc99arao9Radcaadca0ESEhokavcj;kbf8Kjjjjbaokwbz:bjjjbk::seHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecje;8kbavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:wPliuo97eue978Jjjjjbca9Rhiaec98Ghldndnadcl9hmbdnalTmbcbhvabhdinadadpbbbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDpxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpkbbadczfhdavclfgval6mbkkalaeSmeaipxbbbbbbbbbbbbbbbbgqpklbaiabalcdtfgdaeciGglcdtgv;8qbbdnalTmbaiaipblbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDaqp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpklbkadaiav;8qbbskdnalTmbcbhvabhdinadczfgxaxpbbbgopxbbbbbbFFbbbbbbFFgkp9oadpbbbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Keczp:Rep9qgoarawp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogrpmwDKYqk8AExm35Ps8E8Fp9qpkbbadaDakp9oaoarpmbezHdiOAlvCXorQLp9qpkbbadcafhdavclfgval6mbkkalaeSmbaiaeciGgvcitgdfcbcaad9R;8kbaiabalcitfglad;8qbbdnavTmbaiaipblzgopxbbbbbbFFbbbbbbFFgkp9oaipblbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Ke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// embed! simd
-
-	var detector = new Uint8Array([0,97,115,109,1,0,0,0,1,4,1,96,0,0,3,3,2,0,0,5,3,1,0,1,12,1,0,10,22,2,12,0,65,0,65,0,65,0,252,10,0,0,11,7,0,65,0,253,15,26,11]);
-	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
+	var wasm_base =
+		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb'; // embed! base
+	var wasm_simd =
+		'b9H79TebbbeKl9Gbb9Gvuuuuueu9Giuuub9Geueuikqbbebeedddilve9Weeeviebeoweuec:q;Aekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbdY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVblE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtboK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbrL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbwl79IV9RbDq:p9sqlbzik9:evu8Jjjjjbcz9Rhbcbheincbhdcbhiinabcwfadfaicjuaead4ceGglE86bbaialfhiadcefgdcw9hmbkaec:q:yjjbfai86bbaecitc:q1jjbfab8Piw83ibaecefgecjd9hmbkk:N8JlHud97euo978Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Rad;8qbbcj;abad9UhlaicefhodnaeTmbadTmbalc;WFbGglcjdalcjd6EhwcbhDinawaeaD9RaDawfae6Egqcsfglc9WGgkci2hxakcethmalcl4cifcd4hPabaDad2fhsakc;ab6hzcbhHincbhOaohAdndninaraA9RaP6meavcj;cbfaOak2fhCaAaPfhocbhidnazmbarao9Rc;Gb6mbcbhlinaCalfhidndndndndnaAalco4fRbbgXciGPlbedibkaipxbbbbbbbbbbbbbbbbpklbxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklbaoczfhokdndndndndnaXcd4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklzxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklzaoczfhokdndndndndnaXcl4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklaxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklaaoczfhokdndndndndnaXco4Plbedibkaipxbbbbbbbbbbbbbbbbpkl8WxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaoclfaYpQbfaXc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaocwfaYpQbfaXc:q:yjjbfRbbfhoxekaiaopbbbpkl8Waoczfhokalc;abfhialcjefak0meaihlarao9Rc;Fb0mbkkdnaiak9pmbaici4hlinarao9RcK6miaCaifhXdndndndndnaAaico4fRbbalcoG4ciGPlbedibkaXpxbbbbbbbbbbbbbbbbpkbbxikaXaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaXaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaXaopbbbpkbbaoczfhokalcdfhlaiczfgiak6mbkkaoTmeaohAaOcefgOclSmdxbkkc9:hoxlkdnakTmbavcjdfaHfhiavaHfpbdbhYcbhXinaiavcj;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;8qbbavavcjdfaqcufad2fad;8qbbaqaDfgDae6mbkkcbc99arao9Radcaadca0ESEhokavcj;kbf8Kjjjjbaokwbz:bjjjbk::seHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecje;8kbavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:wPliuo97eue978Jjjjjbca9Rhiaec98Ghldndnadcl9hmbdnalTmbcbhvabhdinadadpbbbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDpxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpkbbadczfhdavclfgval6mbkkalaeSmeaipxbbbbbbbbbbbbbbbbgqpklbaiabalcdtfgdaeciGglcdtgv;8qbbdnalTmbaiaipblbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDaqp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpklbkadaiav;8qbbskdnalTmbcbhvabhdinadczfgxaxpbbbgopxbbbbbbFFbbbbbbFFgkp9oadpbbbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Keczp:Rep9qgoarawp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogrpmwDKYqk8AExm35Ps8E8Fp9qpkbbadaDakp9oaoarpmbezHdiOAlvCXorQLp9qpkbbadcafhdavclfgval6mbkkalaeSmbaiaeciGgvcitgdfcbcaad9R;8kbaiabalcitfglad;8qbbdnavTmbaiaipblzgopxbbbbbbFFbbbbbbFFgkp9oaipblbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp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// embed! simd
+
+	var detector = new Uint8Array([
+		0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 3, 2, 0, 0, 5, 3, 1, 0, 1, 12, 1, 0, 10, 22, 2, 12, 0, 65, 0, 65, 0, 65, 0, 252, 10, 0, 0,
+		11, 7, 0, 65, 0, 253, 15, 26, 11,
+	]);
+	var wasmpack = new Uint8Array([
+		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
+		24, 23, 146, 148, 18, 14, 22, 45, 70, 69, 56, 114, 101, 21, 25, 63, 75, 136, 108, 28, 118, 29, 73, 115,
+	]);
 
 	if (typeof WebAssembly !== 'object') {
 		return {
@@ -19,12 +27,10 @@ var MeshoptDecoder = (function() {
 
 	var instance;
 
-	var ready =
-		WebAssembly.instantiate(wasm, {})
-		.then(function(result) {
-			instance = result.instance;
-			instance.exports.__wasm_call_ctors();
-		});
+	var ready = WebAssembly.instantiate(wasm, {}).then(function (result) {
+		instance = result.instance;
+		instance.exports.__wasm_call_ctors();
+	});
 
 	function unpack(data) {
 		var result = new Uint8Array(data.length);
@@ -34,7 +40,7 @@ var MeshoptDecoder = (function() {
 		}
 		var write = 0;
 		for (var i = 0; i < data.length; ++i) {
-			result[write++] = (result[i] < 60) ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i];
+			result[write++] = result[i] < 60 ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i];
 		}
 		return result.buffer.slice(0, write);
 	}
@@ -53,21 +59,21 @@ var MeshoptDecoder = (function() {
 		target.set(heap.subarray(tp, tp + count * size));
 		sbrk(tp - sbrk(0));
 		if (res != 0) {
-			throw new Error("Malformed buffer data: " + res);
+			throw new Error('Malformed buffer data: ' + res);
 		}
 	}
 
 	var filters = {
-		NONE: "",
-		OCTAHEDRAL: "meshopt_decodeFilterOct",
-		QUATERNION: "meshopt_decodeFilterQuat",
-		EXPONENTIAL: "meshopt_decodeFilterExp",
+		NONE: '',
+		OCTAHEDRAL: 'meshopt_decodeFilterOct',
+		QUATERNION: 'meshopt_decodeFilterQuat',
+		EXPONENTIAL: 'meshopt_decodeFilterExp',
 	};
 
 	var decoders = {
-		ATTRIBUTES: "meshopt_decodeVertexBuffer",
-		TRIANGLES: "meshopt_decodeIndexBuffer",
-		INDICES: "meshopt_decodeIndexSequence",
+		ATTRIBUTES: 'meshopt_decodeVertexBuffer',
+		TRIANGLES: 'meshopt_decodeIndexBuffer',
+		INDICES: 'meshopt_decodeIndexSequence',
 	};
 
 	var workers = [];
@@ -77,10 +83,10 @@ var MeshoptDecoder = (function() {
 		var worker = {
 			object: new Worker(url),
 			pending: 0,
-			requests: {}
+			requests: {},
 		};
 
-		worker.object.onmessage = function(event) {
+		worker.object.onmessage = function (event) {
 			var data = event.data;
 
 			worker.pending -= data.count;
@@ -93,11 +99,17 @@ var MeshoptDecoder = (function() {
 
 	function initWorkers(count) {
 		var source =
-			"self.ready = WebAssembly.instantiate(new Uint8Array([" + new Uint8Array(wasm) + "]), {})" +
-			".then(function(result) { result.instance.exports.__wasm_call_ctors(); return result.instance; });" +
-			"self.onmessage = " + workerProcess.name + ";" + decode.toString() + workerProcess.toString();
-
-		var blob = new Blob([source], {type: 'text/javascript'});
+			'self.ready = WebAssembly.instantiate(new Uint8Array([' +
+			new Uint8Array(wasm) +
+			']), {})' +
+			'.then(function(result) { result.instance.exports.__wasm_call_ctors(); return result.instance; });' +
+			'self.onmessage = ' +
+			workerProcess.name +
+			';' +
+			decode.toString() +
+			workerProcess.toString();
+
+		var blob = new Blob([source], { type: 'text/javascript' });
 		var url = URL.createObjectURL(blob);
 
 		for (var i = workers.length; i < count; ++i) {
@@ -128,7 +140,7 @@ var MeshoptDecoder = (function() {
 
 			worker.pending += count;
 			worker.requests[id] = { resolve: resolve, reject: reject };
-			worker.object.postMessage({ id: id, count: count, size: size, source: data, mode: mode, filter: filter }, [ data.buffer ]);
+			worker.object.postMessage({ id: id, count: count, size: size, source: data, mode: mode, filter: filter }, [data.buffer]);
 		});
 	}
 
@@ -137,13 +149,13 @@ var MeshoptDecoder = (function() {
 		if (!data.id) {
 			return self.close();
 		}
-		self.ready.then(function(instance) {
+		self.ready.then(function (instance) {
 			try {
 				var target = new Uint8Array(data.count * data.size);
 				decode(instance, instance.exports[data.mode], target, data.count, data.size, data.source, instance.exports[data.filter]);
-				self.postMessage({ id: data.id, count: data.count, action: "resolve", value: target }, [ target.buffer ]);
+				self.postMessage({ id: data.id, count: data.count, action: 'resolve', value: target }, [target.buffer]);
 			} catch (error) {
-				self.postMessage({ id: data.id, count: data.count, action: "reject", value: error });
+				self.postMessage({ id: data.id, count: data.count, action: 'reject', value: error });
 			}
 		});
 	}
@@ -151,32 +163,32 @@ var MeshoptDecoder = (function() {
 	return {
 		ready: ready,
 		supported: true,
-		useWorkers: function(count) {
+		useWorkers: function (count) {
 			initWorkers(count);
 		},
-		decodeVertexBuffer: function(target, count, size, source, filter) {
+		decodeVertexBuffer: function (target, count, size, source, filter) {
 			decode(instance, instance.exports.meshopt_decodeVertexBuffer, target, count, size, source, instance.exports[filters[filter]]);
 		},
-		decodeIndexBuffer: function(target, count, size, source) {
+		decodeIndexBuffer: function (target, count, size, source) {
 			decode(instance, instance.exports.meshopt_decodeIndexBuffer, target, count, size, source);
 		},
-		decodeIndexSequence: function(target, count, size, source) {
+		decodeIndexSequence: function (target, count, size, source) {
 			decode(instance, instance.exports.meshopt_decodeIndexSequence, target, count, size, source);
 		},
-		decodeGltfBuffer: function(target, count, size, source, mode, filter) {
+		decodeGltfBuffer: function (target, count, size, source, mode, filter) {
 			decode(instance, instance.exports[decoders[mode]], target, count, size, source, instance.exports[filters[filter]]);
 		},
-		decodeGltfBufferAsync: function(count, size, source, mode, filter) {
+		decodeGltfBufferAsync: function (count, size, source, mode, filter) {
 			if (workers.length > 0) {
 				return decodeWorker(count, size, source, decoders[mode], filters[filter]);
 			}
 
-			return ready.then(function() {
+			return ready.then(function () {
 				var target = new Uint8Array(count * size);
 				decode(instance, instance.exports[decoders[mode]], target, count, size, source, instance.exports[filters[filter]]);
 				return target;
 			});
-		}
+		},
 	};
 })();
 
diff --git a/js/meshopt_decoder.test.js b/js/meshopt_decoder.test.js
index ad44ed212d..87658b45ed 100644
--- a/js/meshopt_decoder.test.js
+++ b/js/meshopt_decoder.test.js
@@ -1,27 +1,23 @@
 var assert = require('assert').strict;
 var decoder = require('./meshopt_decoder.js');
 
-process.on('unhandledRejection', error => {
+process.on('unhandledRejection', (error) => {
 	console.log('unhandledRejection', error);
 	process.exit(1);
 });
 
 var tests = {
-	decodeVertexBuffer: function() {
+	decodeVertexBuffer: function () {
 		var encoded = new Uint8Array([
-			0xa0, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x58, 0x57, 0x58, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01,
-			0x0c, 0x00, 0x00, 0x00, 0x58, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
-			0x3f, 0x00, 0x00, 0x00, 0x17, 0x18, 0x17, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01, 0x0c, 0x00,
-			0x00, 0x00, 0x17, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0xa0, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x58, 0x57, 0x58, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01, 0x0c, 0x00, 0x00, 0x00, 0x58, 0x01, 0x08, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x17, 0x18, 0x17, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01, 0x0c, 0x00, 0x00,
+			0x00, 0x17, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		]);
 
 		var expected = new Uint8Array([
-			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-			44, 1, 0, 0, 0, 0, 0, 0, 244, 1, 0, 0,
-			0, 0, 44, 1, 0, 0, 0, 0, 0, 0, 244, 1,
-			44, 1, 44, 1, 0, 0, 0, 0, 244, 1, 244, 1
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44, 1, 0, 0, 0, 0, 0, 0, 244, 1, 0, 0, 0, 0, 44, 1, 0, 0, 0, 0, 0, 0, 244, 1, 44, 1, 44, 1, 0, 0, 0,
+			0, 244, 1, 244, 1,
 		]);
 
 		var result = new Uint8Array(expected.length);
@@ -30,20 +26,16 @@ var tests = {
 		assert.deepStrictEqual(result, expected);
 	},
 
-	decodeVertexBuffer_More: function() {
+	decodeVertexBuffer_More: function () {
 		var encoded = new Uint8Array([
-			0xa0, 0x00, 0x01, 0x2a, 0xaa, 0xaa, 0xaa, 0x02, 0x04, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
-			0x44, 0x03, 0x00, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
-			0x10, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x00, 0x00, 0x00,
+			0xa0, 0x00, 0x01, 0x2a, 0xaa, 0xaa, 0xaa, 0x02, 0x04, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x03, 0x00, 0x10, 0x10, 0x10, 0x10, 0x10,
+			0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		]);
 
 		var expected = new Uint8Array([
-			0, 0, 0, 0, 0, 1, 2, 8, 0, 2, 4, 16, 0, 3, 6, 24,
-			0, 4, 8, 32, 0, 5, 10, 40, 0, 6, 12, 48, 0, 7, 14, 56,
-			0, 8, 16, 64, 0, 9, 18, 72, 0, 10, 20, 80, 0, 11, 22, 88,
-			0, 12, 24, 96, 0, 13, 26, 104, 0, 14, 28, 112, 0, 15, 30, 120
+			0, 0, 0, 0, 0, 1, 2, 8, 0, 2, 4, 16, 0, 3, 6, 24, 0, 4, 8, 32, 0, 5, 10, 40, 0, 6, 12, 48, 0, 7, 14, 56, 0, 8, 16, 64, 0, 9, 18, 72, 0,
+			10, 20, 80, 0, 11, 22, 88, 0, 12, 24, 96, 0, 13, 26, 104, 0, 14, 28, 112, 0, 15, 30, 120,
 		]);
 
 		var result = new Uint8Array(expected.length);
@@ -52,20 +44,16 @@ var tests = {
 		assert.deepStrictEqual(result, expected);
 	},
 
-	decodeVertexBuffer_Mode2: function() {
+	decodeVertexBuffer_Mode2: function () {
 		var encoded = new Uint8Array([
-			0xa0, 0x02, 0x08, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x02, 0x0a, 0xaa, 0xaa, 0xaa,
-			0xaa, 0xaa, 0xaa, 0xaa, 0x02, 0x0c, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x02, 0x0e,
-			0xee, 0xee, 0xee, 0xee, 0xee, 0xee, 0xee, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0xa0, 0x02, 0x08, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x02, 0x0a, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0x02, 0x0c, 0xcc, 0xcc,
+			0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x02, 0x0e, 0xee, 0xee, 0xee, 0xee, 0xee, 0xee, 0xee, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		]);
 
 		var expected = new Uint8Array([
-			0, 0, 0, 0, 4, 5, 6, 7, 8, 10, 12, 14, 12, 15, 18, 21,
-			16, 20, 24, 28, 20, 25, 30, 35, 24, 30, 36, 42, 28, 35, 42, 49,
-			32, 40, 48, 56, 36, 45, 54, 63, 40, 50, 60, 70, 44, 55, 66, 77,
-			48, 60, 72, 84, 52, 65, 78, 91, 56, 70, 84, 98, 60, 75, 90, 105
+			0, 0, 0, 0, 4, 5, 6, 7, 8, 10, 12, 14, 12, 15, 18, 21, 16, 20, 24, 28, 20, 25, 30, 35, 24, 30, 36, 42, 28, 35, 42, 49, 32, 40, 48, 56, 36,
+			45, 54, 63, 40, 50, 60, 70, 44, 55, 66, 77, 48, 60, 72, 84, 52, 65, 78, 91, 56, 70, 84, 98, 60, 75, 90, 105,
 		]);
 
 		var result = new Uint8Array(expected.length);
@@ -74,15 +62,13 @@ var tests = {
 		assert.deepStrictEqual(result, expected);
 	},
 
-	decodeIndexBuffer16: function() {
+	decodeIndexBuffer16: function () {
 		var encoded = new Uint8Array([
-			0xe0, 0xf0, 0x10, 0xfe, 0xff, 0xf0, 0x0c, 0xff, 0x02, 0x02, 0x02, 0x00, 0x76, 0x87, 0x56, 0x67,
-			0x78, 0xa9, 0x86, 0x65, 0x89, 0x68, 0x98, 0x01, 0x69, 0x00, 0x00,
+			0xe0, 0xf0, 0x10, 0xfe, 0xff, 0xf0, 0x0c, 0xff, 0x02, 0x02, 0x02, 0x00, 0x76, 0x87, 0x56, 0x67, 0x78, 0xa9, 0x86, 0x65, 0x89, 0x68, 0x98,
+			0x01, 0x69, 0x00, 0x00,
 		]);
 
-		var expected = new Uint16Array([
-			0, 1, 2, 2, 1, 3, 4, 6, 5, 7, 8, 9
-		]);
+		var expected = new Uint16Array([0, 1, 2, 2, 1, 3, 4, 6, 5, 7, 8, 9]);
 
 		var result = new Uint16Array(expected.length);
 		decoder.decodeIndexBuffer(new Uint8Array(result.buffer), 12, 2, encoded);
@@ -90,15 +76,13 @@ var tests = {
 		assert.deepEqual(result, expected);
 	},
 
-	decodeIndexBuffer32: function() {
+	decodeIndexBuffer32: function () {
 		var encoded = new Uint8Array([
-			0xe0, 0xf0, 0x10, 0xfe, 0xff, 0xf0, 0x0c, 0xff, 0x02, 0x02, 0x02, 0x00, 0x76, 0x87, 0x56, 0x67,
-			0x78, 0xa9, 0x86, 0x65, 0x89, 0x68, 0x98, 0x01, 0x69, 0x00, 0x00,
+			0xe0, 0xf0, 0x10, 0xfe, 0xff, 0xf0, 0x0c, 0xff, 0x02, 0x02, 0x02, 0x00, 0x76, 0x87, 0x56, 0x67, 0x78, 0xa9, 0x86, 0x65, 0x89, 0x68, 0x98,
+			0x01, 0x69, 0x00, 0x00,
 		]);
 
-		var expected = new Uint32Array([
-			0, 1, 2, 2, 1, 3, 4, 6, 5, 7, 8, 9
-		]);
+		var expected = new Uint32Array([0, 1, 2, 2, 1, 3, 4, 6, 5, 7, 8, 9]);
 
 		var result = new Uint32Array(expected.length);
 		decoder.decodeIndexBuffer(new Uint8Array(result.buffer), 12, 4, encoded);
@@ -106,15 +90,13 @@ var tests = {
 		assert.deepStrictEqual(result, expected);
 	},
 
-	decodeIndexBufferV1: function() {
+	decodeIndexBufferV1: function () {
 		var encoded = new Uint8Array([
-			0xe1, 0xf0, 0x10, 0xfe, 0x1f, 0x3d, 0x00, 0x0a, 0x00, 0x76, 0x87, 0x56, 0x67, 0x78, 0xa9, 0x86,
-			0x65, 0x89, 0x68, 0x98, 0x01, 0x69, 0x00, 0x00,
+			0xe1, 0xf0, 0x10, 0xfe, 0x1f, 0x3d, 0x00, 0x0a, 0x00, 0x76, 0x87, 0x56, 0x67, 0x78, 0xa9, 0x86, 0x65, 0x89, 0x68, 0x98, 0x01, 0x69, 0x00,
+			0x00,
 		]);
 
-		var expected = new Uint32Array([
-			0, 1, 2, 2, 1, 3, 0, 1, 2, 2, 1, 5, 2, 1, 4
-		]);
+		var expected = new Uint32Array([0, 1, 2, 2, 1, 3, 0, 1, 2, 2, 1, 5, 2, 1, 4]);
 
 		var result = new Uint32Array(expected.length);
 		decoder.decodeIndexBuffer(new Uint8Array(result.buffer), 15, 4, encoded);
@@ -122,15 +104,13 @@ var tests = {
 		assert.deepStrictEqual(result, expected);
 	},
 
-	decodeIndexBufferV1_More: function() {
+	decodeIndexBufferV1_More: function () {
 		var encoded = new Uint8Array([
-			0xe1, 0xf0, 0x10, 0xfe, 0xff, 0xf0, 0x0c, 0xff, 0x02, 0x02, 0x02, 0x00, 0x76, 0x87, 0x56, 0x67,
-			0x78, 0xa9, 0x86, 0x65, 0x89, 0x68, 0x98, 0x01, 0x69, 0x00, 0x00,
+			0xe1, 0xf0, 0x10, 0xfe, 0xff, 0xf0, 0x0c, 0xff, 0x02, 0x02, 0x02, 0x00, 0x76, 0x87, 0x56, 0x67, 0x78, 0xa9, 0x86, 0x65, 0x89, 0x68, 0x98,
+			0x01, 0x69, 0x00, 0x00,
 		]);
 
-		var expected = new Uint32Array([
-			0, 1, 2, 2, 1, 3, 4, 6, 5, 7, 8, 9
-		]);
+		var expected = new Uint32Array([0, 1, 2, 2, 1, 3, 4, 6, 5, 7, 8, 9]);
 
 		var result = new Uint32Array(expected.length);
 		decoder.decodeIndexBuffer(new Uint8Array(result.buffer), 12, 4, encoded);
@@ -138,14 +118,11 @@ var tests = {
 		assert.deepStrictEqual(result, expected);
 	},
 
-	decodeIndexBufferV1_3Edges: function() {
+	decodeIndexBufferV1_3Edges: function () {
 		var encoded = new Uint8Array([
-			0xe1, 0xf0, 0x20, 0x30, 0x40, 0x00, 0x76, 0x87, 0x56, 0x67, 0x78, 0xa9, 0x86, 0x65, 0x89,
-			0x68, 0x98, 0x01, 0x69, 0x00, 0x00,
-		]);
-		var expected = new Uint32Array([
-			0, 1, 2, 1, 0, 3, 2, 1, 4, 0, 2, 5
+			0xe1, 0xf0, 0x20, 0x30, 0x40, 0x00, 0x76, 0x87, 0x56, 0x67, 0x78, 0xa9, 0x86, 0x65, 0x89, 0x68, 0x98, 0x01, 0x69, 0x00, 0x00,
 		]);
+		var expected = new Uint32Array([0, 1, 2, 1, 0, 3, 2, 1, 4, 0, 2, 5]);
 
 		var result = new Uint32Array(expected.length);
 		decoder.decodeIndexBuffer(new Uint8Array(result.buffer), 12, 4, encoded);
@@ -153,14 +130,10 @@ var tests = {
 		assert.deepStrictEqual(result, expected);
 	},
 
-	decodeIndexSequence: function() {
-		var encoded = new Uint8Array([
-		    0xd1, 0x00, 0x04, 0xcd, 0x01, 0x04, 0x07, 0x98, 0x1f, 0x00, 0x00, 0x00, 0x00,
-		]);
+	decodeIndexSequence: function () {
+		var encoded = new Uint8Array([0xd1, 0x00, 0x04, 0xcd, 0x01, 0x04, 0x07, 0x98, 0x1f, 0x00, 0x00, 0x00, 0x00]);
 
-		var expected = new Uint32Array([
-			0, 1, 51, 2, 49, 1000
-		]);
+		var expected = new Uint32Array([0, 1, 51, 2, 49, 1000]);
 
 		var result = new Uint32Array(expected.length);
 		decoder.decodeIndexSequence(new Uint8Array(result.buffer), 6, 4, encoded);
@@ -168,132 +141,100 @@ var tests = {
 		assert.deepStrictEqual(result, expected);
 	},
 
-	decodeFilterOct8: function() {
+	decodeFilterOct8: function () {
 		var encoded = new Uint8Array([
-			0xa0, 0x01, 0x07, 0x00, 0x00, 0x00, 0x1e, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x8b, 0x8c, 0xfd, 0x00,
-			0x01, 0x26, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x01, 0x7f, 0x00,
+			0xa0, 0x01, 0x07, 0x00, 0x00, 0x00, 0x1e, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x8b, 0x8c, 0xfd, 0x00, 0x01, 0x26, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x01, 0x7f, 0x00,
 		]);
 
-		var expected = new Uint8Array([
-			0, 1, 127, 0,
-			0, 159, 82, 1,
-			255, 1, 127, 0,
-			1, 130, 241, 1,
-		]);
+		var expected = new Uint8Array([0, 1, 127, 0, 0, 159, 82, 1, 255, 1, 127, 0, 1, 130, 241, 1]);
 
 		var result = new Uint8Array(expected.length);
-		decoder.decodeVertexBuffer(new Uint8Array(result.buffer), 4, 4, encoded, /* filter= */ "OCTAHEDRAL");
+		decoder.decodeVertexBuffer(new Uint8Array(result.buffer), 4, 4, encoded, /* filter= */ 'OCTAHEDRAL');
 
 		assert.deepStrictEqual(result, expected);
 	},
 
-	decodeFilterOct12: function() {
+	decodeFilterOct12: function () {
 		var encoded = new Uint8Array([
-			0xa0, 0x01, 0x0f, 0x00, 0x00, 0x00, 0x3d, 0x5a, 0x01, 0x0f, 0x00, 0x00, 0x00, 0x0e, 0x0d, 0x01,
-			0x3f, 0x00, 0x00, 0x00, 0x9a, 0x99, 0x26, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x0e, 0x0d, 0x0a, 0x00,
-			0x00, 0x01, 0x26, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x01, 0x00, 0xff, 0x07, 0x00, 0x00,
+			0xa0, 0x01, 0x0f, 0x00, 0x00, 0x00, 0x3d, 0x5a, 0x01, 0x0f, 0x00, 0x00, 0x00, 0x0e, 0x0d, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x9a, 0x99, 0x26,
+			0x01, 0x3f, 0x00, 0x00, 0x00, 0x0e, 0x0d, 0x0a, 0x00, 0x00, 0x01, 0x26, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0xff, 0x07,
+			0x00, 0x00,
 		]);
 
-		var expected = new Uint16Array([
-			0, 16, 32767, 0,
-			0, 32621, 3088, 1,
-			32764, 16, 471, 0,
-			307, 28541, 16093, 1,
-		]);
+		var expected = new Uint16Array([0, 16, 32767, 0, 0, 32621, 3088, 1, 32764, 16, 471, 0, 307, 28541, 16093, 1]);
 
 		var result = new Uint16Array(expected.length);
-		decoder.decodeVertexBuffer(new Uint8Array(result.buffer), 4, 8, encoded, /* filter= */ "OCTAHEDRAL");
+		decoder.decodeVertexBuffer(new Uint8Array(result.buffer), 4, 8, encoded, /* filter= */ 'OCTAHEDRAL');
 
 		assert.deepStrictEqual(result, expected);
 	},
 
-	decodeFilterQuat12: function() {
+	decodeFilterQuat12: function () {
 		var encoded = new Uint8Array([
-			0xa0, 0x01, 0x0f, 0x00, 0x00, 0x00, 0x3d, 0x5a, 0x01, 0x0f, 0x00, 0x00, 0x00, 0x0e, 0x0d, 0x01,
-			0x3f, 0x00, 0x00, 0x00, 0x9a, 0x99, 0x26, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x0e, 0x0d, 0x0a, 0x00,
-			0x00, 0x01, 0x2a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x01, 0x00, 0x00, 0x00, 0xfc, 0x07,
+			0xa0, 0x01, 0x0f, 0x00, 0x00, 0x00, 0x3d, 0x5a, 0x01, 0x0f, 0x00, 0x00, 0x00, 0x0e, 0x0d, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x9a, 0x99, 0x26,
+			0x01, 0x3f, 0x00, 0x00, 0x00, 0x0e, 0x0d, 0x0a, 0x00, 0x00, 0x01, 0x2a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+			0xfc, 0x07,
 		]);
 
-		var expected = new Uint16Array([
-			32767, 0, 11, 0,
-			0, 25013, 0, 21166,
-			11, 0, 23504, 22830,
-			158, 14715, 0, 29277,
-		]);
+		var expected = new Uint16Array([32767, 0, 11, 0, 0, 25013, 0, 21166, 11, 0, 23504, 22830, 158, 14715, 0, 29277]);
 
 		var result = new Uint16Array(expected.length);
-		decoder.decodeVertexBuffer(new Uint8Array(result.buffer), 4, 8, encoded, /* filter= */ "QUATERNION");
+		decoder.decodeVertexBuffer(new Uint8Array(result.buffer), 4, 8, encoded, /* filter= */ 'QUATERNION');
 
 		assert.deepStrictEqual(result, expected);
 	},
 
-	decodeFilterExp: function() {
+	decodeFilterExp: function () {
 		var encoded = new Uint8Array([
-			0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0xff, 0xf7, 0xff, 0xff, 0x02, 0xff, 0xff, 0x7f,
-			0xfe,
+			0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0xff, 0xf7, 0xff, 0xff, 0x02, 0xff,
+			0xff, 0x7f, 0xfe,
 		]);
 
-		var expected = new Uint32Array([
-			0,
-			0x3fc00000,
-			0xc2100000,
-			0x49fffffe,
-		]);
+		var expected = new Uint32Array([0, 0x3fc00000, 0xc2100000, 0x49fffffe]);
 
 		var result = new Uint32Array(expected.length);
-		decoder.decodeVertexBuffer(new Uint8Array(result.buffer), 1, 16, encoded, /* filter= */ "EXPONENTIAL");
+		decoder.decodeVertexBuffer(new Uint8Array(result.buffer), 1, 16, encoded, /* filter= */ 'EXPONENTIAL');
 
 		assert.deepStrictEqual(result, expected);
 	},
 
-	decodeGltfBuffer: function() {
+	decodeGltfBuffer: function () {
 		var encoded = new Uint8Array([
-			0xa0, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x58, 0x57, 0x58, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01,
-			0x0c, 0x00, 0x00, 0x00, 0x58, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
-			0x3f, 0x00, 0x00, 0x00, 0x17, 0x18, 0x17, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01, 0x0c, 0x00,
-			0x00, 0x00, 0x17, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0xa0, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x58, 0x57, 0x58, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01, 0x0c, 0x00, 0x00, 0x00, 0x58, 0x01, 0x08, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x17, 0x18, 0x17, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01, 0x0c, 0x00, 0x00,
+			0x00, 0x17, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		]);
 
 		var expected = new Uint8Array([
-			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-			44, 1, 0, 0, 0, 0, 0, 0, 244, 1, 0, 0,
-			0, 0, 44, 1, 0, 0, 0, 0, 0, 0, 244, 1,
-			44, 1, 44, 1, 0, 0, 0, 0, 244, 1, 244, 1
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44, 1, 0, 0, 0, 0, 0, 0, 244, 1, 0, 0, 0, 0, 44, 1, 0, 0, 0, 0, 0, 0, 244, 1, 44, 1, 44, 1, 0, 0, 0,
+			0, 244, 1, 244, 1,
 		]);
 
 		var result = new Uint8Array(expected.length);
-		decoder.decodeGltfBuffer(result, 4, 12, encoded, /* mode= */ "ATTRIBUTES");
+		decoder.decodeGltfBuffer(result, 4, 12, encoded, /* mode= */ 'ATTRIBUTES');
 		assert.deepStrictEqual(result, expected);
 	},
 
-	decodeGltfBufferAsync: function() {
+	decodeGltfBufferAsync: function () {
 		var encoded = new Uint8Array([
-			0xa0, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x58, 0x57, 0x58, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01,
-			0x0c, 0x00, 0x00, 0x00, 0x58, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
-			0x3f, 0x00, 0x00, 0x00, 0x17, 0x18, 0x17, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01, 0x0c, 0x00,
-			0x00, 0x00, 0x17, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0xa0, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x58, 0x57, 0x58, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01, 0x0c, 0x00, 0x00, 0x00, 0x58, 0x01, 0x08, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x17, 0x18, 0x17, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01, 0x0c, 0x00, 0x00,
+			0x00, 0x17, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		]);
 
 		var expected = new Uint8Array([
-			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-			44, 1, 0, 0, 0, 0, 0, 0, 244, 1, 0, 0,
-			0, 0, 44, 1, 0, 0, 0, 0, 0, 0, 244, 1,
-			44, 1, 44, 1, 0, 0, 0, 0, 244, 1, 244, 1
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44, 1, 0, 0, 0, 0, 0, 0, 244, 1, 0, 0, 0, 0, 44, 1, 0, 0, 0, 0, 0, 0, 244, 1, 44, 1, 44, 1, 0, 0, 0,
+			0, 244, 1, 244, 1,
 		]);
 
-		decoder.decodeGltfBufferAsync(4, 12, encoded, /* mode= */ "ATTRIBUTES").then(function (result) {
+		decoder.decodeGltfBufferAsync(4, 12, encoded, /* mode= */ 'ATTRIBUTES').then(function (result) {
 			assert.deepStrictEqual(result, expected);
 		});
 	},
diff --git a/js/meshopt_decoder_reference.js b/js/meshopt_decoder_reference.js
index cbf04e8a1b..c09cc94677 100644
--- a/js/meshopt_decoder_reference.js
+++ b/js/meshopt_decoder_reference.js
@@ -11,18 +11,18 @@ MeshoptDecoder.ready = Promise.resolve();
 
 function assert(cond) {
 	if (!cond) {
-		throw new Error("Assertion failed");
+		throw new Error('Assertion failed');
 	}
 }
 
 function dezig(v) {
-	return ((v & 1) !== 0) ? ~(v >>> 1) : v >>> 1;
+	return (v & 1) !== 0 ? ~(v >>> 1) : v >>> 1;
 }
 
 MeshoptDecoder.decodeVertexBuffer = (target, elementCount, byteStride, source, filter) => {
-	assert(source[0] === 0xA0);
+	assert(source[0] === 0xa0);
 
-	const maxBlockElements = Math.min((0x2000 / byteStride) & ~0x000F, 0x100);
+	const maxBlockElements = Math.min((0x2000 / byteStride) & ~0x000f, 0x100);
 
 	const deltas = new Uint8Array(0x10);
 
@@ -36,7 +36,7 @@ MeshoptDecoder.decodeVertexBuffer = (target, elementCount, byteStride, source, f
 	// Attribute Blocks
 	for (let dstElemBase = 0; dstElemBase < elementCount; dstElemBase += maxBlockElements) {
 		const attrBlockElementCount = Math.min(elementCount - dstElemBase, maxBlockElements);
-		const groupCount = ((attrBlockElementCount + 0x0F) & ~0x0F) >>> 4;
+		const groupCount = ((attrBlockElementCount + 0x0f) & ~0x0f) >>> 4;
 		const headerByteCount = ((groupCount + 0x03) & ~0x03) >>> 2;
 
 		// Data blocks
@@ -47,8 +47,7 @@ MeshoptDecoder.decodeVertexBuffer = (target, elementCount, byteStride, source, f
 			for (let group = 0; group < groupCount; group++) {
 				const mode = (source[headerBitsOffs] >>> ((group & 0x03) << 1)) & 0x03;
 				// If this is the last group, move to the next byte of header bits.
-				if ((group & 0x03) === 0x03)
-					headerBitsOffs++;
+				if ((group & 0x03) === 0x03) headerBitsOffs++;
 
 				const dstElemGroup = dstElemBase + (group << 4);
 
@@ -61,10 +60,9 @@ MeshoptDecoder.decodeVertexBuffer = (target, elementCount, byteStride, source, f
 					srcOffs += 0x04;
 					for (let m = 0; m < 0x10; m++) {
 						// 0 = >>> 6, 1 = >>> 4, 2 = >>> 2, 3 = >>> 0
-						const shift = (6 - ((m & 0x03) << 1));
+						const shift = 6 - ((m & 0x03) << 1);
 						let delta = (source[srcBase + (m >>> 2)] >>> shift) & 0x03;
-						if (delta === 3)
-							delta = source[srcOffs++];
+						if (delta === 3) delta = source[srcOffs++];
 						deltas[m] = delta;
 					}
 				} else if (mode === 2) {
@@ -73,10 +71,9 @@ MeshoptDecoder.decodeVertexBuffer = (target, elementCount, byteStride, source, f
 					srcOffs += 0x08;
 					for (let m = 0; m < 0x10; m++) {
 						// 0 = >>> 6, 1 = >>> 4, 2 = >>> 2, 3 = >>> 0
-						const shift = (m & 0x01) ? 0 : 4;
+						const shift = m & 0x01 ? 0 : 4;
 						let delta = (source[srcBase + (m >>> 1)] >>> shift) & 0x0f;
-						if (delta === 0xf)
-							delta = source[srcOffs++];
+						if (delta === 0xf) delta = source[srcOffs++];
 						deltas[m] = delta;
 					}
 				} else {
@@ -88,12 +85,11 @@ MeshoptDecoder.decodeVertexBuffer = (target, elementCount, byteStride, source, f
 				// Go through and apply deltas to data
 				for (let m = 0; m < 0x10; m++) {
 					const dstElem = dstElemGroup + m;
-					if (dstElem >= elementCount)
-						break;
+					if (dstElem >= elementCount) break;
 
 					const delta = dezig(deltas[m]);
 					const dstOffs = dstElem * byteStride + byte;
-					target[dstOffs] = (tempData[byte] += delta);
+					target[dstOffs] = tempData[byte] += delta;
 				}
 			}
 		}
@@ -113,13 +109,15 @@ MeshoptDecoder.decodeVertexBuffer = (target, elementCount, byteStride, source, f
 		}
 
 		for (let i = 0; i < 4 * elementCount; i += 4) {
-			let x = dst[i + 0], y = dst[i + 1], one = dst[i + 2];
+			let x = dst[i + 0],
+				y = dst[i + 1],
+				one = dst[i + 2];
 			x /= one;
 			y /= one;
 			const z = 1.0 - Math.abs(x) - Math.abs(y);
 			const t = Math.max(-z, 0.0);
-			x -= (x >= 0) ? t : -t;
-			y -= (y >= 0) ? t : -t;
+			x -= x >= 0 ? t : -t;
+			y -= y >= 0 ? t : -t;
 			const h = maxInt / Math.hypot(x, y, z);
 			dst[i + 0] = Math.round(x * h);
 			dst[i + 1] = Math.round(y * h);
@@ -138,11 +136,11 @@ MeshoptDecoder.decodeVertexBuffer = (target, elementCount, byteStride, source, f
 			let x = dst[i + 0] * s;
 			let y = dst[i + 1] * s;
 			let z = dst[i + 2] * s;
-			let w = Math.sqrt(Math.max(0.0, 1.0 - x**2 - y**2 - z**2));
-			dst[i + (maxComponent + 1) % 4] = Math.round(x * 32767);
-			dst[i + (maxComponent + 2) % 4] = Math.round(y * 32767);
-			dst[i + (maxComponent + 3) % 4] = Math.round(z * 32767);
-			dst[i + (maxComponent + 0) % 4] = Math.round(w * 32767);
+			let w = Math.sqrt(Math.max(0.0, 1.0 - x ** 2 - y ** 2 - z ** 2));
+			dst[i + ((maxComponent + 1) % 4)] = Math.round(x * 32767);
+			dst[i + ((maxComponent + 2) % 4)] = Math.round(y * 32767);
+			dst[i + ((maxComponent + 3) % 4)] = Math.round(z * 32767);
+			dst[i + ((maxComponent + 0) % 4)] = Math.round(w * 32767);
 		}
 	} else if (filter === 'EXPONENTIAL') {
 		assert((byteStride & 0x03) === 0x00);
@@ -150,28 +148,27 @@ MeshoptDecoder.decodeVertexBuffer = (target, elementCount, byteStride, source, f
 		const src = new Int32Array(target.buffer);
 		const dst = new Float32Array(target.buffer);
 		for (let i = 0; i < (byteStride * elementCount) / 4; i++) {
-			const v = src[i], exp = v >> 24, mantissa = (v << 8) >> 8;
-			dst[i] = 2.0**exp * mantissa;
+			const v = src[i],
+				exp = v >> 24,
+				mantissa = (v << 8) >> 8;
+			dst[i] = 2.0 ** exp * mantissa;
 		}
 	}
 };
 
 function pushfifo(fifo, n) {
-	for (let i = fifo.length - 1; i > 0; i--)
-		fifo[i] = fifo[i - 1];
+	for (let i = fifo.length - 1; i > 0; i--) fifo[i] = fifo[i - 1];
 	fifo[0] = n;
 }
 
 MeshoptDecoder.decodeIndexBuffer = (target, count, byteStride, source) => {
-	assert(source[0] === 0xE1);
+	assert(source[0] === 0xe1);
 	assert(count % 3 === 0);
 	assert(byteStride === 2 || byteStride === 4);
 
 	let dst;
-	if (byteStride === 2)
-		dst = new Uint16Array(target.buffer);
-	else
-		dst = new Uint32Array(target.buffer);
+	if (byteStride === 2) dst = new Uint16Array(target.buffer);
+	else dst = new Uint32Array(target.buffer);
 
 	const triCount = count / 3;
 
@@ -183,14 +180,14 @@ MeshoptDecoder.decodeIndexBuffer = (target, count, byteStride, source) => {
 		let n = 0;
 		for (let i = 0; ; i += 7) {
 			const b = source[dataOffs++];
-			n |= (b & 0x7F) << i;
+			n |= (b & 0x7f) << i;
 
-			if (b < 0x80)
-				return n;
+			if (b < 0x80) return n;
 		}
 	}
 
-	let next = 0, last = 0;
+	let next = 0,
+		last = 0;
 	const edgefifo = new Uint32Array(32);
 	const vertexfifo = new Uint32Array(16);
 
@@ -201,96 +198,91 @@ MeshoptDecoder.decodeIndexBuffer = (target, count, byteStride, source) => {
 	let dstOffs = 0;
 	for (let i = 0; i < triCount; i++) {
 		const code = source[codeOffs++];
-		const b0 = code >>> 4, b1 = code & 0x0F;
+		const b0 = code >>> 4,
+			b1 = code & 0x0f;
 
-		if (b0 < 0x0F) {
-			const a = edgefifo[(b0 << 1) + 0], b = edgefifo[(b0 << 1) + 1];
+		if (b0 < 0x0f) {
+			const a = edgefifo[(b0 << 1) + 0],
+				b = edgefifo[(b0 << 1) + 1];
 			let c = -1;
 
 			if (b1 === 0x00) {
 				c = next++;
 				pushfifo(vertexfifo, c);
-			} else if (b1 < 0x0D) {
+			} else if (b1 < 0x0d) {
 				c = vertexfifo[b1];
-			} else if (b1 === 0x0D) {
+			} else if (b1 === 0x0d) {
 				c = --last;
 				pushfifo(vertexfifo, c);
-			} else if (b1 === 0x0E) {
+			} else if (b1 === 0x0e) {
 				c = ++last;
 				pushfifo(vertexfifo, c);
-			} else if (b1 === 0x0F) {
+			} else if (b1 === 0x0f) {
 				const v = readLEB128();
 				c = decodeIndex(v);
 				pushfifo(vertexfifo, c);
 			}
 
 			// fifo pushes happen backwards
-			pushfifo(edgefifo, b); pushfifo(edgefifo, c);
-			pushfifo(edgefifo, c); pushfifo(edgefifo, a);
+			pushfifo(edgefifo, b);
+			pushfifo(edgefifo, c);
+			pushfifo(edgefifo, c);
+			pushfifo(edgefifo, a);
 
 			dst[dstOffs++] = a;
 			dst[dstOffs++] = b;
 			dst[dstOffs++] = c;
-		} else { // b0 === 0x0F
-			let a = -1, b = -1, c = -1;
+		} else {
+			// b0 === 0x0F
+			let a = -1,
+				b = -1,
+				c = -1;
 
-			if (b1 < 0x0E) {
+			if (b1 < 0x0e) {
 				const e = source[codeauxOffs + b1];
-				const z = e >>> 4, w = e & 0x0F;
+				const z = e >>> 4,
+					w = e & 0x0f;
 
 				a = next++;
 
-				if (z === 0x00)
-					b = next++;
-				else
-					b = vertexfifo[z - 1];
+				if (z === 0x00) b = next++;
+				else b = vertexfifo[z - 1];
 
-				if (w === 0x00)
-					c = next++;
-				else
-					c = vertexfifo[w - 1];
+				if (w === 0x00) c = next++;
+				else c = vertexfifo[w - 1];
 
 				pushfifo(vertexfifo, a);
-				if (z === 0x00)
-					pushfifo(vertexfifo, b);
-				if (w === 0x00)
-					pushfifo(vertexfifo, c);
+				if (z === 0x00) pushfifo(vertexfifo, b);
+				if (w === 0x00) pushfifo(vertexfifo, c);
 			} else {
 				const e = source[dataOffs++];
-				if (e === 0x00)
-					next = 0;
-
-				const z = e >>> 4, w = e & 0x0F;
-
-				if (b1 === 0x0E)
-					a = next++;
-				else
-					a = decodeIndex(readLEB128());
-
-				if (z === 0x00)
-					b = next++;
-				else if (z === 0x0F)
-					b = decodeIndex(readLEB128());
-				else
-					b = vertexfifo[z - 1];
-
-				if (w === 0x00)
-					c = next++;
-				else if (w === 0x0F)
-					c = decodeIndex(readLEB128());
-				else
-					c = vertexfifo[w - 1];
+				if (e === 0x00) next = 0;
+
+				const z = e >>> 4,
+					w = e & 0x0f;
+
+				if (b1 === 0x0e) a = next++;
+				else a = decodeIndex(readLEB128());
+
+				if (z === 0x00) b = next++;
+				else if (z === 0x0f) b = decodeIndex(readLEB128());
+				else b = vertexfifo[z - 1];
+
+				if (w === 0x00) c = next++;
+				else if (w === 0x0f) c = decodeIndex(readLEB128());
+				else c = vertexfifo[w - 1];
 
 				pushfifo(vertexfifo, a);
-				if (z === 0x00 || z === 0x0F)
-					pushfifo(vertexfifo, b);
-				if (w === 0x00 || w === 0x0F)
-					pushfifo(vertexfifo, c);
+				if (z === 0x00 || z === 0x0f) pushfifo(vertexfifo, b);
+				if (w === 0x00 || w === 0x0f) pushfifo(vertexfifo, c);
 			}
 
-			pushfifo(edgefifo, a); pushfifo(edgefifo, b);
-			pushfifo(edgefifo, b); pushfifo(edgefifo, c);
-			pushfifo(edgefifo, c); pushfifo(edgefifo, a);
+			pushfifo(edgefifo, a);
+			pushfifo(edgefifo, b);
+			pushfifo(edgefifo, b);
+			pushfifo(edgefifo, c);
+			pushfifo(edgefifo, c);
+			pushfifo(edgefifo, a);
 
 			dst[dstOffs++] = a;
 			dst[dstOffs++] = b;
@@ -300,14 +292,12 @@ MeshoptDecoder.decodeIndexBuffer = (target, count, byteStride, source) => {
 };
 
 MeshoptDecoder.decodeIndexSequence = (target, count, byteStride, source) => {
-	assert(source[0] === 0xD1);
+	assert(source[0] === 0xd1);
 	assert(byteStride === 2 || byteStride === 4);
 
 	let dst;
-	if (byteStride === 2)
-		dst = new Uint16Array(target.buffer);
-	else
-		dst = new Uint32Array(target.buffer);
+	if (byteStride === 2) dst = new Uint16Array(target.buffer);
+	else dst = new Uint32Array(target.buffer);
 
 	let dataOffs = 0x01;
 
@@ -315,10 +305,9 @@ MeshoptDecoder.decodeIndexSequence = (target, count, byteStride, source) => {
 		let n = 0;
 		for (let i = 0; ; i += 7) {
 			const b = source[dataOffs++];
-			n |= (b & 0x7F) << i;
+			n |= (b & 0x7f) << i;
 
-			if (b < 0x80)
-				return n;
+			if (b < 0x80) return n;
 		}
 	}
 
@@ -326,9 +315,9 @@ MeshoptDecoder.decodeIndexSequence = (target, count, byteStride, source) => {
 
 	for (let i = 0; i < count; i++) {
 		const v = readLEB128();
-		const b = (v & 0x01);
+		const b = v & 0x01;
 		const delta = dezig(v >>> 1);
-		dst[i] = (last[b] += delta);
+		dst[i] = last[b] += delta;
 	}
 };
 
diff --git a/js/meshopt_encoder.js b/js/meshopt_encoder.js
index e84a5a194d..39e7a3cbfd 100644
--- a/js/meshopt_encoder.js
+++ b/js/meshopt_encoder.js
@@ -1,12 +1,16 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-var MeshoptEncoder = (function() {
-	"use strict";
+var MeshoptEncoder = (function () {
+	'use strict';
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
-	var wasm = "b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G;kekr;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;C9oLdbk;GqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;WFbGgecjdaecjd6Ehqcbhkindndnaiak9nmbaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndnaec9WGgsTmbcbhzaPhHawhOxekdnaxmbalheinaraw9Ram6miawcbamzNjjjbamfhwaecufgembxvkkcbhAaPhOinaDaAfRbbhCaDcjlfheaOhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkaraw9Ram6mdaOcefhOawcbamzNjjjbamfhwaAcefgAal9hmbxlkkindnaxTmbaDazfRbbhCaDcjlfheaHhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkkaraO9Ram6mearaOcbamzNjjjbgLamfgw9RcK6mecbhKaDcjlfhOinaDcjlfaKfhYcwhAczhQceheindndnaegXce9hmbcuhoaYRbbmecbhodninaogecsSmeaecefhoaOaefcefRbbTmbkkcucbaecs6EhoxekaXcethocuaXtc;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcet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// embed! wasm
+	var wasm =
+		'b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G;kekr;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;C9oLdbk;GqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;WFbGgecjdaecjd6Ehqcbhkindndnaiak9nmbaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndnaec9WGgsTmbcbhzaPhHawhOxekdnaxmbalheinaraw9Ram6miawcbamzNjjjbamfhwaecufgembxvkkcbhAaPhOinaDaAfRbbhCaDcjlfheaOhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkaraw9Ram6mdaOcefhOawcbamzNjjjbamfhwaAcefgAal9hmbxlkkindnaxTmbaDazfRbbhCaDcjlfheaHhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkkaraO9Ram6mearaOcbamzNjjjbgLamfgw9RcK6mecbhKaDcjlfhOinaDcjlfaKfhYcwhAczhQceheindndnaegXce9hmbcuhoaYRbbmecbhodninaogecsSmeaecefhoaOaefcefRbbTmbkkcucbaecs6EhoxekaXcethocuaXtc;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcetcuftcu7:Yhvdndncuaicuftcu7:YgoJbbbZMgr:lJbbb9p9DTmbar:Ohwxekcjjjj94hwkcbhicbhDinalclfIdbgrJbbbbJbbjZalIdbgq:lar:lMalcwfIdbgk:lMgr:varJbbbb9BEgrNhxaqarNhrdndnakJbbbb9GTmbaxhqxekJbbjZar:l:tgqaq:maxJbbbb9GEhqJbbjZax:l:tgxax:marJbbbb9GEhrkdndnalcxfIdbgxJbbj:;axJbbj:;9GEgkJbbjZakJbbjZ9FEavNJbbbZJbbb:;axJbbbb9GEMgx:lJbbb9p9DTmbax:Ohmxekcjjjj94hmkdndnaqJbbj:;aqJbbj:;9GEgxJbbjZaxJbbjZ9FEaoNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:OhPxekcjjjj94hPkdndnarJbbj:;arJbbj:;9GEgqJbbjZaqJbbjZ9FEaoNJbbbZJbbb:;arJbbbb9GEMgr:lJbbb9p9DTmbar:Ohsxekcjjjj94hskdndnadcl9hmbabaifgzas86bbazcifam86bbazcdfaw86bbazcefaP86bbxekabaDfgzas87ebazcofam87ebazclfaw87ebazcdfaP87ebkalczfhlaiclfhiaDcwfhDaecufgembkkk;hlld99eud99eudnaeTmbdndncuaicuftcu7:YgvJbbbZMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikaic;8FiGhrinabcofcicdalclfIdb:lalIdb:l9EgialcwfIdb:lalaicdtfIdb:l9EEgialcxfIdb:lalaicdtfIdb:l9EEgiarV87ebdndnJbbj:;JbbjZalaicdtfIdbJbbbb9DEgoalaicd7cdtfIdbJ;Zl:1ZNNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabcdfaq87ebdndnalaicefciGcdtfIdbJ;Zl:1ZNaoNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabaq87ebdndnaoalaicufciGcdtfIdbJ;Zl:1ZNNgoJbbj:;aoJbbj:;9GEgwJbbjZawJbbjZ9FEavNJbbbZJbbb:;aoJbbbb9GEMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikabclfai87ebabcwfhbalczfhlaecufgembkkk:dvdxue998Jjjjjbcjd9Rgo8Kjjjjbadcd4hrdndndndnavcd9hmbadcl6meaohwarhDinawc:CuBdbawclfhwaDcufgDmbkaeTmiadcl6mdarcdthqalhkcbhxinaohwakhDarhminawawydbgPaDydbgscL4cFeGc:cufcbasEgsaPas9kEBdbaDclfhDawclfhwamcufgmmbkakaqfhkaxcefgxaeSmixbkkaeTmdxekaeTmekavcb9hadcl6gqVhzarcdthxavce9hhHcbhdindndndnaHmbaqmdc:CuhDalhwarhminaDawydbgPcL4cFeGc:cufcbaPEgPaDaP9kEhDawclfhwamcufgmmbxdkkc:CuhDazmbaohwalhmarhPinawamydbgscL4cFeGgkc8Aakc8A9kEc:cufcbasEBdbamclfhmawclfhwaPcufgPmbkkaqmbcbhwarhPinaDhmdnavceSmbaoawfydbhmkdndnalawfIdbgOcjjj;8iamai9RcefgmcLt9R::NJbbbZJbbb:;aOJbbbb9GEMgO:lJbbb9p9DTmbaO:Ohsxekcjjjj94hskabawfascFFFrGamcKtVBdbawclfhwaPcufgPmbkkabaxfhbalaxfhladcefgdae9hmbkkaocjdf8Kjjjjbk;HqdCui998Jjjjjbc:qd9Rgv8Kjjjjbavc:Sefcbc;KbzNjjjb8AcbhodnadTmbcbhoaiTmbdnabae9hmbavcuadcdtgradcFFFFi0Ecbyd:m:kjjbHjjjjbbgeBd:SeavceBd:mdaeabarz:tjjjb8Akavc:GefcwfcbBdbav9cb83i:Geavc:Gefaeadaiavc:Sefz:njjjbavyd:Gehwadci9UgDcbyd:m:kjjbHjjjjbbhravc:Sefavyd:mdgqcdtfarBdbavaqcefgkBd:mdarcbaDzNjjjbhxavc:SefakcdtfcuaicdtaicFFFFi0Ecbyd:m:kjjbHjjjjbbgmBdbavaqcdfgPBd:mdawhramhkinakalIdbalarydbgscwascw6Ecdtfc;ebfIdbMUdbarclfhrakclfhkaicufgimbkavc:SefaPcdtfcuaDcdtadcFFFF970Ecbyd:m:kjjbHjjjjbbgPBdbdnadci6mbaehraPhkaDhiinakamarydbcdtfIdbamarclfydbcdtfIdbMamarcwfydbcdtfIdbMUdbarcxfhrakclfhkaicufgimbkkaqcifhoavc;qbfhzavhravyd:KehHavyd:OehOcbhscbhkcbhAcehCinarhXcihQaeakci2gLcdtfgrydbhdarclfydbhqabaAcx2fgicwfarcwfydbgKBdbaiclfaqBdbaiadBdbaxakfce86bbazaKBdwazaqBdlazadBdbaPakcdtfcbBdbdnasTmbcihQaXhiinazaQcdtfaiydbgrBdbaQaraK9harad9haraq9hGGfhQaiclfhiascufgsmbkkaAcefhAcbhsinaOaHaeasaLfcdtfydbcdtgifydbcdtfgKhrawaifgqydbgdhidnadTmbdninarydbakSmearclfhraicufgiTmdxbkkaraKadcdtfc98fydbBdbaqaqydbcufBdbkascefgsci9hmbkdndnaQTmbcuhkJbbbbhYcbhqavyd:KehKavyd:OehLindndnawazaqcdtfydbcdtgsfydbgrmbaqcefhqxekaqcs0hiamasfgdIdbh8AadalcbaqcefgqaiEcdtfIdbalarcwarcw6Ecdtfc;ebfIdbMgEUdbaEa8A:thEarcdthiaLaKasfydbcdtfhrinaParydbgscdtfgdaEadIdbMg8AUdba8AaYaYa8A9DgdEhYasakadEhkarclfhraic98fgimbkkaqaQ9hmbkakcu9hmekaCaD9pmdindnaxaCfRbbmbaChkxdkaDaCcefgC9hmbxikkaQczaQcz6EhsazhraXhzakcu9hmbkkaocdtavc:Seffc98fhrdninaoTmearydbcbyd1:kjjbH:bjjjbbarc98fhraocufhoxbkkavc:qdf8Kjjjjbk;IlevucuaicdtgvaicFFFFi0Egocbyd:m:kjjbHjjjjbbhralalyd9GgwcdtfarBdbalawcefBd9GabarBdbaocbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdlcuadcdtadcFFFFi0Ecbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdwabydbcbavzNjjjb8Aadci9UhDdnadTmbabydbhoaehladhrinaoalydbcdtfgvavydbcefBdbalclfhlarcufgrmbkkdnaiTmbabydbhlabydlhrcbhvaihoinaravBdbarclfhralydbavfhvalclfhlaocufgombkkdnadci6mbabydlhrabydwhvcbhlinaecwfydbhoaeclfydbhdaraeydbcdtfgwawydbgwcefBdbavawcdtfalBdbaradcdtfgdadydbgdcefBdbavadcdtfalBdbaraocdtfgoaoydbgocefBdbavaocdtfalBdbaecxfheaDalcefgl9hmbkkdnaiTmbabydlheabydbhlinaeaeydbalydb9RBdbalclfhlaeclfheaicufgimbkkkQbabaeadaic:01jjbz:mjjjbkQbabaeadaic:C:jjjbz:mjjjbk9DeeuabcFeaicdtzNjjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk;Wkivuo99lu8Jjjjjbc;W;Gb9Rgl8Kjjjjbcbhvalcj;Gbfcbc;KbzNjjjb8AalcuadcdtadcFFFFi0Egocbyd:m:kjjbHjjjjbbgrBdj9GalceBd;G9GalcFFF;7rBdwal9cFFF;7;3FF:;Fb83dbalcFFF97Bd;S9Gal9cFFF;7FFF:;u83d;K9Gaicd4hwdndnadmbJFFuFhDJFFuuhqJFFuuhkJFFuFhxJFFuuhmJFFuFhPxekawcdthsaehzincbhiinalaifgHazaifIdbgDaHIdbgxaxaD9EEUdbalc;K;GbfaifgHaDaHIdbgxaxaD9DEUdbaiclfgicx9hmbkazasfhzavcefgvad9hmbkalIdwhqalId;S9GhDalIdlhkalId;O9GhxalIdbhmalId;K9GhPkdndnadTmbJbbbbJbbjZJbbbbaPam:tgPaPJbbbb9DEgPaxak:tgxaxaP9DEgxaDaq:tgDaDax9DEgD:vaDJbbbb9BEhDawcdthsarhHadhzindndnaDaeIdbam:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcv2c;j:KM;jbGhvdndnaDaeclfIdbak:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcq2cM;j:KMeGavVhvdndnaDaecwfIdbaq:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaHavaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcC2c:KM;j:KdGVBdbaeasfheaHclfhHazcufgzmbkalcbcj;GbzNjjjbhiarhHadheinaiaHydbgzcFrGcx2fgvavydbcefBdbaiazcq4cFrGcx2fgvavydlcefBdlaiazcC4cFrGcx2fgzazydwcefBdwaHclfhHaecufgembxdkkalcbcj;GbzNjjjb8AkcbhHcbhzcbhecbhvinalaHfgiydbhsaiazBdbaicwfgwydbhOawavBdbaiclfgiydbhwaiaeBdbasazfhzaOavfhvawaefheaHcxfgHcj;Gb9hmbkcbhHalaocbyd:m:kjjbHjjjjbbgiBd:e9GdnadTmbabhzinazaHBdbazclfhzadaHcefgH9hmbkabhHadhzinalaraHydbgecdtfydbcFrGcx2fgvavydbgvcefBdbaiavcdtfaeBdbaHclfhHazcufgzmbkaihHadhzinalaraHydbgecdtfydbcq4cFrGcx2fgvavydlgvcefBdlabavcdtfaeBdbaHclfhHazcufgzmbkabhHadhzinalaraHydbgecdtfydbcC4cFrGcx2fgvavydwgvcefBdwaiavcdtfaeBdbaHclfhHazcufgzmbkcbhHinabaiydbcdtfaHBdbaiclfhiadaHcefgH9hmbkkclhidninaic98Smealcj;Gbfaifydbcbyd1:kjjbH:bjjjbbaic98fhixbkkalc;W;Gbf8Kjjjjbk9teiucbcbyd:q:kjjbgeabcifc98GfgbBd:q:kjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd:q:kjjbgeabcrfc94GfgbBd:q:kjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd:q:kjjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd:q:kjjbfgdBd:q:kjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akkk:Iddbcjwk:edb4:h9w9N94:P:gW:j9O:ye9Pbbbbbbebbbdbbbebbbdbbbbbbbdbbbbbbbebbbbbbb:l29hZ;69:9kZ;N;76Z;rg97Z;z;o9xZ8J;B85Z;:;u9yZ;b;k9HZ:2;Z9DZ9e:l9mZ59A8KZ:r;T3Z:A:zYZ79OHZ;j4::8::Y:D9V8:bbbb9s:49:Z8R:hBZ9M9M;M8:L;z;o8:;8:PG89q;x:J878R:hQ8::M:B;e87bbbbbbjZbbjZbbjZ:E;V;N8::Y:DsZ9i;H;68:xd;R8:;h0838:;W:NoZbbbb:WV9O8:uf888:9i;H;68:9c9G;L89;n;m9m89;D8Ko8:bbbbf:8tZ9m836ZS:2AZL;zPZZ818EZ9e:lxZ;U98F8:819E;68:bc:eqkzebbbebbbdbbbaWbb'; // embed! wasm
 
-	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
+	var wasmpack = new Uint8Array([
+		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
+		24, 23, 146, 148, 18, 14, 22, 45, 70, 69, 56, 114, 101, 21, 25, 63, 75, 136, 108, 28, 118, 29, 73, 115,
+	]);
 
 	if (typeof WebAssembly !== 'object') {
 		return {
@@ -16,14 +20,12 @@ var MeshoptEncoder = (function() {
 
 	var instance;
 
-	var ready =
-		WebAssembly.instantiate(unpack(wasm), {})
-		.then(function(result) {
-			instance = result.instance;
-			instance.exports.__wasm_call_ctors();
-			instance.exports.meshopt_encodeVertexVersion(0);
-			instance.exports.meshopt_encodeIndexVersion(1);
-		});
+	var ready = WebAssembly.instantiate(unpack(wasm), {}).then(function (result) {
+		instance = result.instance;
+		instance.exports.__wasm_call_ctors();
+		instance.exports.meshopt_encodeVertexVersion(0);
+		instance.exports.meshopt_encodeIndexVersion(1);
+	});
 
 	function unpack(data) {
 		var result = new Uint8Array(data.length);
@@ -33,14 +35,14 @@ var MeshoptEncoder = (function() {
 		}
 		var write = 0;
 		for (var i = 0; i < data.length; ++i) {
-			result[write++] = (result[i] < 60) ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i];
+			result[write++] = result[i] < 60 ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i];
 		}
 		return result.buffer.slice(0, write);
 	}
 
 	function assert(cond) {
 		if (!cond) {
-			throw new Error("Assertion failed");
+			throw new Error('Assertion failed');
 		}
 	}
 
@@ -66,8 +68,7 @@ var MeshoptEncoder = (function() {
 		indices8.set(heap.subarray(ip, ip + indices.length * 4));
 		sbrk(ip - sbrk(0));
 
-		for (var i = 0; i < indices.length; ++i)
-			indices[i] = remap[indices[i]];
+		for (var i = 0; i < indices.length; ++i) indices[i] = remap[indices[i]];
 
 		return [remap, unique];
 	}
@@ -135,36 +136,40 @@ var MeshoptEncoder = (function() {
 	return {
 		ready: ready,
 		supported: true,
-		reorderMesh: function(indices, triangles, optsize) {
-			var optf = triangles ? (optsize ? instance.exports.meshopt_optimizeVertexCacheStrip : instance.exports.meshopt_optimizeVertexCache) : undefined;
+		reorderMesh: function (indices, triangles, optsize) {
+			var optf = triangles
+				? optsize
+					? instance.exports.meshopt_optimizeVertexCacheStrip
+					: instance.exports.meshopt_optimizeVertexCache
+				: undefined;
 			return reorder(instance.exports.meshopt_optimizeVertexFetchRemap, indices, maxindex(indices) + 1, optf);
 		},
-		reorderPoints: function(positions, positions_stride) {
+		reorderPoints: function (positions, positions_stride) {
 			assert(positions instanceof Float32Array);
 			assert(positions.length % positions_stride == 0);
 			assert(positions_stride >= 3);
 			return spatialsort(instance.exports.meshopt_spatialSortRemap, positions, positions.length / positions_stride, positions_stride * 4);
 		},
-		encodeVertexBuffer: function(source, count, size) {
+		encodeVertexBuffer: function (source, count, size) {
 			assert(size > 0 && size <= 256);
 			assert(size % 4 == 0);
 			var bound = instance.exports.meshopt_encodeVertexBufferBound(count, size);
 			return encode(instance.exports.meshopt_encodeVertexBuffer, bound, source, count, size);
 		},
-		encodeIndexBuffer: function(source, count, size) {
+		encodeIndexBuffer: function (source, count, size) {
 			assert(size == 2 || size == 4);
 			assert(count % 3 == 0);
 			var indices = index32(source, size);
 			var bound = instance.exports.meshopt_encodeIndexBufferBound(count, maxindex(indices) + 1);
 			return encode(instance.exports.meshopt_encodeIndexBuffer, bound, indices, count, 4);
 		},
-		encodeIndexSequence: function(source, count, size) {
+		encodeIndexSequence: function (source, count, size) {
 			assert(size == 2 || size == 4);
 			var indices = index32(source, size);
 			var bound = instance.exports.meshopt_encodeIndexSequenceBound(count, maxindex(indices) + 1);
 			return encode(instance.exports.meshopt_encodeIndexSequence, bound, indices, count, 4);
 		},
-		encodeGltfBuffer: function(source, count, size, mode) {
+		encodeGltfBuffer: function (source, count, size, mode) {
 			var table = {
 				ATTRIBUTES: this.encodeVertexBuffer,
 				TRIANGLES: this.encodeIndexBuffer,
@@ -173,17 +178,17 @@ var MeshoptEncoder = (function() {
 			assert(table[mode]);
 			return table[mode](source, count, size);
 		},
-		encodeFilterOct: function(source, count, stride, bits) {
+		encodeFilterOct: function (source, count, stride, bits) {
 			assert(stride == 4 || stride == 8);
 			assert(bits >= 1 && bits <= 16);
 			return filter(instance.exports.meshopt_encodeFilterOct, source, count, stride, bits, 16);
 		},
-		encodeFilterQuat: function(source, count, stride, bits) {
+		encodeFilterQuat: function (source, count, stride, bits) {
 			assert(stride == 8);
 			assert(bits >= 4 && bits <= 16);
 			return filter(instance.exports.meshopt_encodeFilterQuat, source, count, stride, bits, 16);
 		},
-		encodeFilterExp: function(source, count, stride, bits, mode) {
+		encodeFilterExp: function (source, count, stride, bits, mode) {
 			assert(stride > 0 && stride % 4 == 0);
 			assert(bits >= 1 && bits <= 24);
 			var table = {
@@ -197,13 +202,10 @@ var MeshoptEncoder = (function() {
 })();
 
 // export! MeshoptEncoder
-if (typeof exports === 'object' && typeof module === 'object')
-	module.exports = MeshoptEncoder;
+if (typeof exports === 'object' && typeof module === 'object') module.exports = MeshoptEncoder;
 else if (typeof define === 'function' && define['amd'])
-	define([], function() {
+	define([], function () {
 		return MeshoptEncoder;
 	});
-else if (typeof exports === 'object')
-	exports["MeshoptEncoder"] = MeshoptEncoder;
-else
-	(typeof self !== 'undefined' ? self : this).MeshoptEncoder = MeshoptEncoder;
+else if (typeof exports === 'object') exports['MeshoptEncoder'] = MeshoptEncoder;
+else (typeof self !== 'undefined' ? self : this).MeshoptEncoder = MeshoptEncoder;
diff --git a/js/meshopt_encoder.module.d.ts b/js/meshopt_encoder.module.d.ts
index 49000dfcff..f768ae17d0 100644
--- a/js/meshopt_encoder.module.d.ts
+++ b/js/meshopt_encoder.module.d.ts
@@ -15,5 +15,11 @@ export const MeshoptEncoder: {
 
 	encodeFilterOct: (source: Float32Array, count: number, stride: number, bits: number) => Uint8Array;
 	encodeFilterQuat: (source: Float32Array, count: number, stride: number, bits: number) => Uint8Array;
-	encodeFilterExp: (source: Float32Array, count: number, stride: number, bits: number, mode?: "Separate" | "SharedVector" | "SharedComponent") => Uint8Array;
+	encodeFilterExp: (
+		source: Float32Array,
+		count: number,
+		stride: number,
+		bits: number,
+		mode?: 'Separate' | 'SharedVector' | 'SharedComponent',
+	) => Uint8Array;
 };
diff --git a/js/meshopt_encoder.module.js b/js/meshopt_encoder.module.js
index c4867ef2b5..3b5b3da656 100644
--- a/js/meshopt_encoder.module.js
+++ b/js/meshopt_encoder.module.js
@@ -1,11 +1,15 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-var MeshoptEncoder = (function() {
+var MeshoptEncoder = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
-	var wasm = "b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G;kekr;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;C9oLdbk;GqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;WFbGgecjdaecjd6Ehqcbhkindndnaiak9nmbaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndnaec9WGgsTmbcbhzaPhHawhOxekdnaxmbalheinaraw9Ram6miawcbamzNjjjbamfhwaecufgembxvkkcbhAaPhOinaDaAfRbbhCaDcjlfheaOhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkaraw9Ram6mdaOcefhOawcbamzNjjjbamfhwaAcefgAal9hmbxlkkindnaxTmbaDazfRbbhCaDcjlfheaHhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkkaraO9Ram6mearaOcbamzNjjjbgLamfgw9RcK6mecbhKaDcjlfhOinaDcjlfaKfhYcwhAczhQceheindndnaegXce9hmbcuhoaYRbbmecbhodninaogecsSmeaecefhoaOaefcefRbbTmbkkcucbaecs6EhoxekaXcethocuaXtc;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcet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// embed! wasm
+	var wasm =
+		'b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G;kekr;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;C9oLdbk;GqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;WFbGgecjdaecjd6Ehqcbhkindndnaiak9nmbaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndnaec9WGgsTmbcbhzaPhHawhOxekdnaxmbalheinaraw9Ram6miawcbamzNjjjbamfhwaecufgembxvkkcbhAaPhOinaDaAfRbbhCaDcjlfheaOhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkaraw9Ram6mdaOcefhOawcbamzNjjjbamfhwaAcefgAal9hmbxlkkindnaxTmbaDazfRbbhCaDcjlfheaHhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkkaraO9Ram6mearaOcbamzNjjjbgLamfgw9RcK6mecbhKaDcjlfhOinaDcjlfaKfhYcwhAczhQceheindndnaegXce9hmbcuhoaYRbbmecbhodninaogecsSmeaecefhoaOaefcefRbbTmbkkcucbaecs6EhoxekaXcethocuaXtc;:bGcFb7hCcbheinaoaCaOaefRbb9nfhoaecefgecz9hmbkkaoaQaoaQ6geEhQaXaAaeEhAaXcetheaXcl6mbkdndndndnaAcufPdiebkaLaKco4fgeaeRbbcdciaAclSEaKci4coGtV86bbaAcw9hmeawaY8Pbb83bbawcwfaYcwf8Pbb83bbawczfhwxdkaLaKco4fgeaeRbbceaKci4coGtV86bbkdncwaA9Tg8Ambinawcb86bbawcefhwxbkkcuaAtcu7hYcbhEaOh3ina3hea8AhCcbhoinaeRbbgQaYcFeGgXaQaX6EaoaAtVhoaecefheaCcufgCmbkawao86bba3a8Afh3awcefhwaEa8AfgEcz6mbkcbheindnaOaefRbbgoaX6mbawao86bbawcefhwkaecefgecz9hmbkkdnaKczfgKas9pmbaOczfhOaraw9RcL0mekkaKas6meawTmeaHcefhHawhOazcefgzalSmixbkkcbhoxikcbhoaraw9Ralcaalca0E6mddnalc8F0mbawcbcaal9RgezNjjjbaefhwkawaDcjdfalz:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcetcuftcu7:Yhvdndncuaicuftcu7:YgoJbbbZMgr:lJbbb9p9DTmbar:Ohwxekcjjjj94hwkcbhicbhDinalclfIdbgrJbbbbJbbjZalIdbgq:lar:lMalcwfIdbgk:lMgr:varJbbbb9BEgrNhxaqarNhrdndnakJbbbb9GTmbaxhqxekJbbjZar:l:tgqaq:maxJbbbb9GEhqJbbjZax:l:tgxax:marJbbbb9GEhrkdndnalcxfIdbgxJbbj:;axJbbj:;9GEgkJbbjZakJbbjZ9FEavNJbbbZJbbb:;axJbbbb9GEMgx:lJbbb9p9DTmbax:Ohmxekcjjjj94hmkdndnaqJbbj:;aqJbbj:;9GEgxJbbjZaxJbbjZ9FEaoNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:OhPxekcjjjj94hPkdndnarJbbj:;arJbbj:;9GEgqJbbjZaqJbbjZ9FEaoNJbbbZJbbb:;arJbbbb9GEMgr:lJbbb9p9DTmbar:Ohsxekcjjjj94hskdndnadcl9hmbabaifgzas86bbazcifam86bbazcdfaw86bbazcefaP86bbxekabaDfgzas87ebazcofam87ebazclfaw87ebazcdfaP87ebkalczfhlaiclfhiaDcwfhDaecufgembkkk;hlld99eud99eudnaeTmbdndncuaicuftcu7:YgvJbbbZMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikaic;8FiGhrinabcofcicdalclfIdb:lalIdb:l9EgialcwfIdb:lalaicdtfIdb:l9EEgialcxfIdb:lalaicdtfIdb:l9EEgiarV87ebdndnJbbj:;JbbjZalaicdtfIdbJbbbb9DEgoalaicd7cdtfIdbJ;Zl:1ZNNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabcdfaq87ebdndnalaicefciGcdtfIdbJ;Zl:1ZNaoNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabaq87ebdndnaoalaicufciGcdtfIdbJ;Zl:1ZNNgoJbbj:;aoJbbj:;9GEgwJbbjZawJbbjZ9FEavNJbbbZJbbb:;aoJbbbb9GEMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikabclfai87ebabcwfhbalczfhlaecufgembkkk:dvdxue998Jjjjjbcjd9Rgo8Kjjjjbadcd4hrdndndndnavcd9hmbadcl6meaohwarhDinawc:CuBdbawclfhwaDcufgDmbkaeTmiadcl6mdarcdthqalhkcbhxinaohwakhDarhminawawydbgPaDydbgscL4cFeGc:cufcbasEgsaPas9kEBdbaDclfhDawclfhwamcufgmmbkakaqfhkaxcefgxaeSmixbkkaeTmdxekaeTmekavcb9hadcl6gqVhzarcdthxavce9hhHcbhdindndndnaHmbaqmdc:CuhDalhwarhminaDawydbgPcL4cFeGc:cufcbaPEgPaDaP9kEhDawclfhwamcufgmmbxdkkc:CuhDazmbaohwalhmarhPinawamydbgscL4cFeGgkc8Aakc8A9kEc:cufcbasEBdbamclfhmawclfhwaPcufgPmbkkaqmbcbhwarhPinaDhmdnavceSmbaoawfydbhmkdndnalawfIdbgOcjjj;8iamai9RcefgmcLt9R::NJbbbZJbbb:;aOJbbbb9GEMgO:lJbbb9p9DTmbaO:Ohsxekcjjjj94hskabawfascFFFrGamcKtVBdbawclfhwaPcufgPmbkkabaxfhbalaxfhladcefgdae9hmbkkaocjdf8Kjjjjbk;HqdCui998Jjjjjbc:qd9Rgv8Kjjjjbavc:Sefcbc;KbzNjjjb8AcbhodnadTmbcbhoaiTmbdnabae9hmbavcuadcdtgradcFFFFi0Ecbyd:m:kjjbHjjjjbbgeBd:SeavceBd:mdaeabarz:tjjjb8Akavc:GefcwfcbBdbav9cb83i:Geavc:Gefaeadaiavc:Sefz:njjjbavyd:Gehwadci9UgDcbyd:m:kjjbHjjjjbbhravc:Sefavyd:mdgqcdtfarBdbavaqcefgkBd:mdarcbaDzNjjjbhxavc:SefakcdtfcuaicdtaicFFFFi0Ecbyd:m:kjjbHjjjjbbgmBdbavaqcdfgPBd:mdawhramhkinakalIdbalarydbgscwascw6Ecdtfc;ebfIdbMUdbarclfhrakclfhkaicufgimbkavc:SefaPcdtfcuaDcdtadcFFFF970Ecbyd:m:kjjbHjjjjbbgPBdbdnadci6mbaehraPhkaDhiinakamarydbcdtfIdbamarclfydbcdtfIdbMamarcwfydbcdtfIdbMUdbarcxfhrakclfhkaicufgimbkkaqcifhoavc;qbfhzavhravyd:KehHavyd:OehOcbhscbhkcbhAcehCinarhXcihQaeakci2gLcdtfgrydbhdarclfydbhqabaAcx2fgicwfarcwfydbgKBdbaiclfaqBdbaiadBdbaxakfce86bbazaKBdwazaqBdlazadBdbaPakcdtfcbBdbdnasTmbcihQaXhiinazaQcdtfaiydbgrBdbaQaraK9harad9haraq9hGGfhQaiclfhiascufgsmbkkaAcefhAcbhsinaOaHaeasaLfcdtfydbcdtgifydbcdtfgKhrawaifgqydbgdhidnadTmbdninarydbakSmearclfhraicufgiTmdxbkkaraKadcdtfc98fydbBdbaqaqydbcufBdbkascefgsci9hmbkdndnaQTmbcuhkJbbbbhYcbhqavyd:KehKavyd:OehLindndnawazaqcdtfydbcdtgsfydbgrmbaqcefhqxekaqcs0hiamasfgdIdbh8AadalcbaqcefgqaiEcdtfIdbalarcwarcw6Ecdtfc;ebfIdbMgEUdbaEa8A:thEarcdthiaLaKasfydbcdtfhrinaParydbgscdtfgdaEadIdbMg8AUdba8AaYaYa8A9DgdEhYasakadEhkarclfhraic98fgimbkkaqaQ9hmbkakcu9hmekaCaD9pmdindnaxaCfRbbmbaChkxdkaDaCcefgC9hmbxikkaQczaQcz6EhsazhraXhzakcu9hmbkkaocdtavc:Seffc98fhrdninaoTmearydbcbyd1:kjjbH:bjjjbbarc98fhraocufhoxbkkavc:qdf8Kjjjjbk;IlevucuaicdtgvaicFFFFi0Egocbyd:m:kjjbHjjjjbbhralalyd9GgwcdtfarBdbalawcefBd9GabarBdbaocbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdlcuadcdtadcFFFFi0Ecbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdwabydbcbavzNjjjb8Aadci9UhDdnadTmbabydbhoaehladhrinaoalydbcdtfgvavydbcefBdbalclfhlarcufgrmbkkdnaiTmbabydbhlabydlhrcbhvaihoinaravBdbarclfhralydbavfhvalclfhlaocufgombkkdnadci6mbabydlhrabydwhvcbhlinaecwfydbhoaeclfydbhdaraeydbcdtfgwawydbgwcefBdbavawcdtfalBdbaradcdtfgdadydbgdcefBdbavadcdtfalBdbaraocdtfgoaoydbgocefBdbavaocdtfalBdbaecxfheaDalcefgl9hmbkkdnaiTmbabydlheabydbhlinaeaeydbalydb9RBdbalclfhlaeclfheaicufgimbkkkQbabaeadaic:01jjbz:mjjjbkQbabaeadaic:C:jjjbz:mjjjbk9DeeuabcFeaicdtzNjjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk;Wkivuo99lu8Jjjjjbc;W;Gb9Rgl8Kjjjjbcbhvalcj;Gbfcbc;KbzNjjjb8AalcuadcdtadcFFFFi0Egocbyd:m:kjjbHjjjjbbgrBdj9GalceBd;G9GalcFFF;7rBdwal9cFFF;7;3FF:;Fb83dbalcFFF97Bd;S9Gal9cFFF;7FFF:;u83d;K9Gaicd4hwdndnadmbJFFuFhDJFFuuhqJFFuuhkJFFuFhxJFFuuhmJFFuFhPxekawcdthsaehzincbhiinalaifgHazaifIdbgDaHIdbgxaxaD9EEUdbalc;K;GbfaifgHaDaHIdbgxaxaD9DEUdbaiclfgicx9hmbkazasfhzavcefgvad9hmbkalIdwhqalId;S9GhDalIdlhkalId;O9GhxalIdbhmalId;K9GhPkdndnadTmbJbbbbJbbjZJbbbbaPam:tgPaPJbbbb9DEgPaxak:tgxaxaP9DEgxaDaq:tgDaDax9DEgD:vaDJbbbb9BEhDawcdthsarhHadhzindndnaDaeIdbam:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcv2c;j:KM;jbGhvdndnaDaeclfIdbak:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcq2cM;j:KMeGavVhvdndnaDaecwfIdbaq:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaHavaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcC2c:KM;j:KdGVBdbaeasfheaHclfhHazcufgzmbkalcbcj;GbzNjjjbhiarhHadheinaiaHydbgzcFrGcx2fgvavydbcefBdbaiazcq4cFrGcx2fgvavydlcefBdlaiazcC4cFrGcx2fgzazydwcefBdwaHclfhHaecufgembxdkkalcbcj;GbzNjjjb8AkcbhHcbhzcbhecbhvinalaHfgiydbhsaiazBdbaicwfgwydbhOawavBdbaiclfgiydbhwaiaeBdbasazfhzaOavfhvawaefheaHcxfgHcj;Gb9hmbkcbhHalaocbyd:m:kjjbHjjjjbbgiBd:e9GdnadTmbabhzinazaHBdbazclfhzadaHcefgH9hmbkabhHadhzinalaraHydbgecdtfydbcFrGcx2fgvavydbgvcefBdbaiavcdtfaeBdbaHclfhHazcufgzmbkaihHadhzinalaraHydbgecdtfydbcq4cFrGcx2fgvavydlgvcefBdlabavcdtfaeBdbaHclfhHazcufgzmbkabhHadhzinalaraHydbgecdtfydbcC4cFrGcx2fgvavydwgvcefBdwaiavcdtfaeBdbaHclfhHazcufgzmbkcbhHinabaiydbcdtfaHBdbaiclfhiadaHcefgH9hmbkkclhidninaic98Smealcj;Gbfaifydbcbyd1:kjjbH:bjjjbbaic98fhixbkkalc;W;Gbf8Kjjjjbk9teiucbcbyd:q:kjjbgeabcifc98GfgbBd:q:kjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd:q:kjjbgeabcrfc94GfgbBd:q:kjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd:q:kjjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd:q:kjjbfgdBd:q:kjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akkk:Iddbcjwk:edb4:h9w9N94:P:gW:j9O:ye9Pbbbbbbebbbdbbbebbbdbbbbbbbdbbbbbbbebbbbbbb:l29hZ;69:9kZ;N;76Z;rg97Z;z;o9xZ8J;B85Z;:;u9yZ;b;k9HZ:2;Z9DZ9e:l9mZ59A8KZ:r;T3Z:A:zYZ79OHZ;j4::8::Y:D9V8:bbbb9s:49:Z8R:hBZ9M9M;M8:L;z;o8:;8:PG89q;x:J878R:hQ8::M:B;e87bbbbbbjZbbjZbbjZ:E;V;N8::Y:DsZ9i;H;68:xd;R8:;h0838:;W:NoZbbbb:WV9O8:uf888:9i;H;68:9c9G;L89;n;m9m89;D8Ko8:bbbbf:8tZ9m836ZS:2AZL;zPZZ818EZ9e:lxZ;U98F8:819E;68:bc:eqkzebbbebbbdbbbaWbb'; // embed! wasm
 
-	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
+	var wasmpack = new Uint8Array([
+		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
+		24, 23, 146, 148, 18, 14, 22, 45, 70, 69, 56, 114, 101, 21, 25, 63, 75, 136, 108, 28, 118, 29, 73, 115,
+	]);
 
 	if (typeof WebAssembly !== 'object') {
 		return {
@@ -15,14 +19,12 @@ var MeshoptEncoder = (function() {
 
 	var instance;
 
-	var ready =
-		WebAssembly.instantiate(unpack(wasm), {})
-		.then(function(result) {
-			instance = result.instance;
-			instance.exports.__wasm_call_ctors();
-			instance.exports.meshopt_encodeVertexVersion(0);
-			instance.exports.meshopt_encodeIndexVersion(1);
-		});
+	var ready = WebAssembly.instantiate(unpack(wasm), {}).then(function (result) {
+		instance = result.instance;
+		instance.exports.__wasm_call_ctors();
+		instance.exports.meshopt_encodeVertexVersion(0);
+		instance.exports.meshopt_encodeIndexVersion(1);
+	});
 
 	function unpack(data) {
 		var result = new Uint8Array(data.length);
@@ -32,14 +34,14 @@ var MeshoptEncoder = (function() {
 		}
 		var write = 0;
 		for (var i = 0; i < data.length; ++i) {
-			result[write++] = (result[i] < 60) ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i];
+			result[write++] = result[i] < 60 ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i];
 		}
 		return result.buffer.slice(0, write);
 	}
 
 	function assert(cond) {
 		if (!cond) {
-			throw new Error("Assertion failed");
+			throw new Error('Assertion failed');
 		}
 	}
 
@@ -65,8 +67,7 @@ var MeshoptEncoder = (function() {
 		indices8.set(heap.subarray(ip, ip + indices.length * 4));
 		sbrk(ip - sbrk(0));
 
-		for (var i = 0; i < indices.length; ++i)
-			indices[i] = remap[indices[i]];
+		for (var i = 0; i < indices.length; ++i) indices[i] = remap[indices[i]];
 
 		return [remap, unique];
 	}
@@ -134,36 +135,40 @@ var MeshoptEncoder = (function() {
 	return {
 		ready: ready,
 		supported: true,
-		reorderMesh: function(indices, triangles, optsize) {
-			var optf = triangles ? (optsize ? instance.exports.meshopt_optimizeVertexCacheStrip : instance.exports.meshopt_optimizeVertexCache) : undefined;
+		reorderMesh: function (indices, triangles, optsize) {
+			var optf = triangles
+				? optsize
+					? instance.exports.meshopt_optimizeVertexCacheStrip
+					: instance.exports.meshopt_optimizeVertexCache
+				: undefined;
 			return reorder(instance.exports.meshopt_optimizeVertexFetchRemap, indices, maxindex(indices) + 1, optf);
 		},
-		reorderPoints: function(positions, positions_stride) {
+		reorderPoints: function (positions, positions_stride) {
 			assert(positions instanceof Float32Array);
 			assert(positions.length % positions_stride == 0);
 			assert(positions_stride >= 3);
 			return spatialsort(instance.exports.meshopt_spatialSortRemap, positions, positions.length / positions_stride, positions_stride * 4);
 		},
-		encodeVertexBuffer: function(source, count, size) {
+		encodeVertexBuffer: function (source, count, size) {
 			assert(size > 0 && size <= 256);
 			assert(size % 4 == 0);
 			var bound = instance.exports.meshopt_encodeVertexBufferBound(count, size);
 			return encode(instance.exports.meshopt_encodeVertexBuffer, bound, source, count, size);
 		},
-		encodeIndexBuffer: function(source, count, size) {
+		encodeIndexBuffer: function (source, count, size) {
 			assert(size == 2 || size == 4);
 			assert(count % 3 == 0);
 			var indices = index32(source, size);
 			var bound = instance.exports.meshopt_encodeIndexBufferBound(count, maxindex(indices) + 1);
 			return encode(instance.exports.meshopt_encodeIndexBuffer, bound, indices, count, 4);
 		},
-		encodeIndexSequence: function(source, count, size) {
+		encodeIndexSequence: function (source, count, size) {
 			assert(size == 2 || size == 4);
 			var indices = index32(source, size);
 			var bound = instance.exports.meshopt_encodeIndexSequenceBound(count, maxindex(indices) + 1);
 			return encode(instance.exports.meshopt_encodeIndexSequence, bound, indices, count, 4);
 		},
-		encodeGltfBuffer: function(source, count, size, mode) {
+		encodeGltfBuffer: function (source, count, size, mode) {
 			var table = {
 				ATTRIBUTES: this.encodeVertexBuffer,
 				TRIANGLES: this.encodeIndexBuffer,
@@ -172,17 +177,17 @@ var MeshoptEncoder = (function() {
 			assert(table[mode]);
 			return table[mode](source, count, size);
 		},
-		encodeFilterOct: function(source, count, stride, bits) {
+		encodeFilterOct: function (source, count, stride, bits) {
 			assert(stride == 4 || stride == 8);
 			assert(bits >= 1 && bits <= 16);
 			return filter(instance.exports.meshopt_encodeFilterOct, source, count, stride, bits, 16);
 		},
-		encodeFilterQuat: function(source, count, stride, bits) {
+		encodeFilterQuat: function (source, count, stride, bits) {
 			assert(stride == 8);
 			assert(bits >= 4 && bits <= 16);
 			return filter(instance.exports.meshopt_encodeFilterQuat, source, count, stride, bits, 16);
 		},
-		encodeFilterExp: function(source, count, stride, bits, mode) {
+		encodeFilterExp: function (source, count, stride, bits, mode) {
 			assert(stride > 0 && stride % 4 == 0);
 			assert(bits >= 1 && bits <= 24);
 			var table = {
diff --git a/js/meshopt_encoder.test.js b/js/meshopt_encoder.test.js
index 675399a80a..f14b8d0383 100644
--- a/js/meshopt_encoder.test.js
+++ b/js/meshopt_encoder.test.js
@@ -2,7 +2,7 @@ var assert = require('assert').strict;
 var encoder = require('./meshopt_encoder.js');
 var decoder = require('./meshopt_decoder.js');
 
-process.on('unhandledRejection', error => {
+process.on('unhandledRejection', (error) => {
 	console.log('unhandledRejection', error);
 	process.exit(1);
 });
@@ -12,24 +12,12 @@ function bytes(view) {
 }
 
 var tests = {
-	reorderMesh: function() {
-		var indices = new Uint32Array([
-			4, 2, 5,
-			3, 1, 4,
-			0, 1, 3,
-			1, 2, 4,
-		]);
-
-		var expected = new Uint32Array([
-			0, 1, 2,
-			3, 1, 0,
-			4, 3, 0,
-			5, 3, 4,
-		]);
-
-		var remap = new Uint32Array([
-			5, 3, 1, 4, 0, 2
-		]);
+	reorderMesh: function () {
+		var indices = new Uint32Array([4, 2, 5, 3, 1, 4, 0, 1, 3, 1, 2, 4]);
+
+		var expected = new Uint32Array([0, 1, 2, 3, 1, 0, 4, 3, 0, 5, 3, 4]);
+
+		var remap = new Uint32Array([5, 3, 1, 4, 0, 2]);
 
 		var res = encoder.reorderMesh(indices, /* triangles= */ true, /* optsize= */ true);
 		assert.deepEqual(indices, expected);
@@ -37,28 +25,20 @@ var tests = {
 		assert.equal(res[1], 6); // unique
 	},
 
-	reorderPoints: function() {
-		var points = new Float32Array([
-			1, 1, 1,
-			11, 11, 11,
-			2, 2, 2,
-			12, 12, 12,
-		]);
+	reorderPoints: function () {
+		var points = new Float32Array([1, 1, 1, 11, 11, 11, 2, 2, 2, 12, 12, 12]);
 
-		var expected = new Uint32Array([
-			0, 2, 1, 3
-		]);
+		var expected = new Uint32Array([0, 2, 1, 3]);
 
 		var remap = encoder.reorderPoints(points, 3);
 		assert.deepEqual(remap, expected);
 	},
 
-	roundtripVertexBuffer: function() {
+	roundtripVertexBuffer: function () {
 		var data = new Uint8Array(16 * 4);
 
 		// this tests 0/2/4/8 bit groups in one stream
-		for (var i = 0; i < 16; ++i)
-		{
+		for (var i = 0; i < 16; ++i) {
 			data[i * 4 + 0] = 0;
 			data[i * 4 + 1] = i * 1;
 			data[i * 4 + 2] = i * 2;
@@ -72,7 +52,7 @@ var tests = {
 		assert.deepEqual(decoded, data);
 	},
 
-	roundtripIndexBuffer: function() {
+	roundtripIndexBuffer: function () {
 		var data = new Uint32Array([0, 1, 2, 2, 1, 3, 4, 6, 5, 7, 8, 9]);
 
 		var encoded = encoder.encodeIndexBuffer(bytes(data), data.length, 4);
@@ -82,7 +62,7 @@ var tests = {
 		assert.deepEqual(decoded, data);
 	},
 
-	roundtripIndexBuffer16: function() {
+	roundtripIndexBuffer16: function () {
 		var data = new Uint16Array([0, 1, 2, 2, 1, 3, 4, 6, 5, 7, 8, 9]);
 
 		var encoded = encoder.encodeIndexBuffer(bytes(data), data.length, 2);
@@ -92,7 +72,7 @@ var tests = {
 		assert.deepEqual(decoded, data);
 	},
 
-	roundtripIndexSequence: function() {
+	roundtripIndexSequence: function () {
 		var data = new Uint32Array([0, 1, 51, 2, 49, 1000]);
 
 		var encoded = encoder.encodeIndexSequence(bytes(data), data.length, 4);
@@ -102,7 +82,7 @@ var tests = {
 		assert.deepEqual(decoded, data);
 	},
 
-	roundtripIndexSequence16: function() {
+	roundtripIndexSequence16: function () {
 		var data = new Uint16Array([0, 1, 51, 2, 49, 1000]);
 
 		var encoded = encoder.encodeIndexSequence(bytes(data), data.length, 2);
@@ -112,105 +92,57 @@ var tests = {
 		assert.deepEqual(decoded, data);
 	},
 
-	encodeFilterOct8: function() {
-		var data = new Float32Array([
-		    1, 0, 0, 0,
-		    0, -1, 0, 0,
-		    0.7071068, 0, 0.707168, 1,
-		    -0.7071068, 0, -0.707168, 1,
-		]);
-
-		var expected = new Uint8Array([
-		    0x7f, 0, 0x7f, 0,
-		    0, 0x81, 0x7f, 0,
-		    0x3f, 0, 0x7f, 0x7f,
-		    0x81, 0x40, 0x7f, 0x7f,
-		]);
+	encodeFilterOct8: function () {
+		var data = new Float32Array([1, 0, 0, 0, 0, -1, 0, 0, 0.7071068, 0, 0.707168, 1, -0.7071068, 0, -0.707168, 1]);
+
+		var expected = new Uint8Array([0x7f, 0, 0x7f, 0, 0, 0x81, 0x7f, 0, 0x3f, 0, 0x7f, 0x7f, 0x81, 0x40, 0x7f, 0x7f]);
 
 		// 4 vectors, encode each vector into 4 bytes with 8 bits of precision/component
 		var encoded = encoder.encodeFilterOct(data, 4, 4, 8);
 		assert.deepEqual(encoded, expected);
 	},
 
-	encodeFilterOct12: function() {
-		var data = new Float32Array([
-		    1, 0, 0, 0,
-		    0, -1, 0, 0,
-		    0.7071068, 0, 0.707168, 1,
-		    -0.7071068, 0, -0.707168, 1,
-		]);
-
-		var expected = new Uint16Array([
-		    0x7ff, 0, 0x7ff, 0,
-		    0x0, 0xf801, 0x7ff, 0,
-		    0x3ff, 0, 0x7ff, 0x7fff,
-		    0xf801, 0x400, 0x7ff, 0x7fff,
-		]);
+	encodeFilterOct12: function () {
+		var data = new Float32Array([1, 0, 0, 0, 0, -1, 0, 0, 0.7071068, 0, 0.707168, 1, -0.7071068, 0, -0.707168, 1]);
+
+		var expected = new Uint16Array([0x7ff, 0, 0x7ff, 0, 0x0, 0xf801, 0x7ff, 0, 0x3ff, 0, 0x7ff, 0x7fff, 0xf801, 0x400, 0x7ff, 0x7fff]);
 
 		// 4 vectors, encode each vector into 8 bytes with 12 bits of precision/component
 		var encoded = encoder.encodeFilterOct(data, 4, 8, 12);
 		assert.deepEqual(encoded, bytes(expected));
 	},
 
-	encodeFilterQuat12: function() {
-		var data = new Float32Array([
-		    1, 0, 0, 0,
-		    0, -1, 0, 0,
-		    0.7071068, 0, 0, 0.707168,
-		    -0.7071068, 0, 0, -0.707168,
-		]);
-
-		var expected = new Uint16Array([
-		    0, 0, 0, 0x7fc,
-		    0, 0, 0, 0x7fd,
-		    0x7ff, 0, 0, 0x7ff,
-		    0x7ff, 0, 0, 0x7ff,
-		]);
+	encodeFilterQuat12: function () {
+		var data = new Float32Array([1, 0, 0, 0, 0, -1, 0, 0, 0.7071068, 0, 0, 0.707168, -0.7071068, 0, 0, -0.707168]);
+
+		var expected = new Uint16Array([0, 0, 0, 0x7fc, 0, 0, 0, 0x7fd, 0x7ff, 0, 0, 0x7ff, 0x7ff, 0, 0, 0x7ff]);
 
 		// 4 quaternions, encode each quaternion into 8 bytes with 12 bits of precision/component
 		var encoded = encoder.encodeFilterQuat(data, 4, 8, 12);
 		assert.deepEqual(encoded, bytes(expected));
 	},
 
-	encodeFilterExp: function() {
-		var data = new Float32Array([
-		    1,
-		    -23.4,
-		    -0.1,
-		]);
+	encodeFilterExp: function () {
+		var data = new Float32Array([1, -23.4, -0.1]);
 
-		var expected = new Uint32Array([
-		    0xf7000200,
-		    0xf7ffd133,
-		    0xf7ffffcd,
-		]);
+		var expected = new Uint32Array([0xf7000200, 0xf7ffd133, 0xf7ffffcd]);
 
 		// 1 vector with 3 components (12 bytes), encode each vector into 12 bytes with 15 bits of precision/component
 		var encoded = encoder.encodeFilterExp(data, 1, 12, 15);
 		assert.deepEqual(encoded, bytes(expected));
 	},
 
-	encodeFilterExpMode: function() {
-		var data = new Float32Array([
-		    1,
-		    -23.4,
-		    -0.1,
-		    11.0,
-		]);
-
-		var expected = new Uint32Array([
-			0xf3002000,
-			0xf7ffd133,
-			0xf3fffccd,
-			0xf7001600,
-		]);
+	encodeFilterExpMode: function () {
+		var data = new Float32Array([1, -23.4, -0.1, 11.0]);
+
+		var expected = new Uint32Array([0xf3002000, 0xf7ffd133, 0xf3fffccd, 0xf7001600]);
 
 		// 2 vectors with 2 components (8 bytes), encode each vector into 8 bytes with 15 bits of precision/component
-		var encoded = encoder.encodeFilterExp(data, 2, 8, 15, "SharedComponent");
+		var encoded = encoder.encodeFilterExp(data, 2, 8, 15, 'SharedComponent');
 		assert.deepEqual(encoded, bytes(expected));
 	},
 
-	encodeGltfBuffer: function() {
+	encodeGltfBuffer: function () {
 		var data = new Uint32Array([0, 1, 2, 2, 1, 3, 4, 6, 5, 7, 8, 9]);
 
 		var encoded = encoder.encodeGltfBuffer(bytes(data), data.length, 4, 'TRIANGLES');
diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 42fbd32d88..adff2574d1 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -1,12 +1,16 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-var MeshoptSimplifier = (function() {
-	"use strict";
+var MeshoptSimplifier = (function () {
+	'use strict';
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
-	var wasm = 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ka9hce4h0asydwh9mcbhacbh5dninahaoa5cdtfydbcx2fg8JIdwg8RaB9Emeaaa9h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaaa9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgKcwfhyaKclfh8EaEa9rcx2fgwcwfhmawclfhrcbhCcehYdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNawIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8:N9FmdkaecwfheaCcefgCaQ6hYaQaC9hmbkkaYceGTmba0cefh0xeka8Ka8Ac8S2gXfgea8Ka9rc8S2gLfgCIdbaeIdbMUdbaeaCIdlaeIdlMUdlaeaCIdwaeIdwMUdwaeaCIdxaeIdxMUdxaeaCIdzaeIdzMUdzaeaCIdCaeIdCMUdCaeaCIdKaeIdKMUdKaeaCId3aeId3MUd3aeaCIdaaeIdaMUdaaeaCId8KaeId8KMUd8KaeaCIdyaeIdyMUdydna3TmbaqaXfgeaqaLfgCIdbaeIdbMUdbaeaCIdlaeIdlMUdlaeaCIdwaeIdwMUdwaeaCIdxaeIdxMUdxaeaCIdzaeIdzMUdzaeaCIdCaeIdCMUdCaeaCIdKaeIdKMUdKaeaCId3aeId3MUd3aeaCIdaaeIdaMUdaaeaCId8KaeId8KMUd8KaeaCIdyaeIdyMUdyaTa9r2hYaTa8A2hKazhCa3hLinaCaKfgeaCaYfgXIdbaeIdbMUdbaeclfgQaXclfIdbaQIdbMUdbaecwfgQaXcwfIdbaQIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCaLcufgLmbkka8JcwfhCdndndndnaAaifgXRbbc9: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:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb"; // embed! wasm
+	var wasm =
+		'b9H79Tebbbe9Hk9Geueu9Geub9Gbb9Gsuuuuuuuuuuuu99uueu9Gvuuuuub9Gvuuuuue999Gquuuuuuu99uueu9Gwuuuuuu99ueu9Giuuue999Gluuuueu9GiuuueuizsdilvoirwDbqqbeqlve9Weiiviebeoweuecj;jekr:Tewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bbz9TW79O9V9Wt9F79P9T9W29P9M95bl8E9TW79O9V9Wt9F79P9T9W29P9M959x9Pt9OcttV9P9I91tW7bvQ9TW79O9V9Wt9F79P9T9W29P9M959q9V9P9Ut7boX9TW79O9V9Wt9F79P9T9W29P9M959t9J9H2Wbra9TW79O9V9Wt9F9V9Wt9P9T9P96W9wWVtW94SWt9J9O9sW9T9H9Wbwl79IV9RbDDwebcekdmxq;Q97sdbk:C9ti8Au8A99zu8Jjjjjbc;W;ab9Rgs8Kjjjjbcbhzascxfcbc;Kbz:ljjjb8AdnabaeSmbabaeadcdtz:kjjjb8AkdndnamcdGmbcbhHxekasalcrfci4gecbyd;S1jjbHjjjjbbgOBdxasceBd2aOcbaez:ljjjbhAcbhlcbhednadTmbcbhlabheadhOinaAaeydbgCci4fgXaXRbbgXceaCcrGgCtV86bbaXcu7aC4ceGalfhlaeclfheaOcufgOmbkcualcdtalcFFFFi0Ehekasaecbyd;S1jjbHjjjjbbgHBdzascdBd2alcd4alfhCcehOinaOgecethOaeaC6mbkcdhzcbhQascuaecdtgOaecFFFFi0Ecbyd;S1jjbHjjjjbbgCBdCasciBd2aCcFeaOz:ljjjbhLdnadTmbaecufhXcbhKinabaQcdtfgYydbgAc:v;t;h;Ev2hCcbhedndninaLaCaXGgCcdtfg8AydbgOcuSmeaHaOcdtfydbaASmdaecefgeaCfhCaeaX9nmbxdkkaHaKcdtfaABdba8AaKBdbaKhOaKcefhKkaYaOBdbaQcefgQad9hmbkkaLcbyd;O1jjbH:bjjjbbascdBd2kascxfazcdtfcualcefgecdtaecFFFFi0Ecbyd;S1jjbHjjjjbbgEBdbasaEBdlasazceVgeBd2ascxfaecdtfcuadcitadcFFFFe0Ecbyd;S1jjbHjjjjbbg3Bdbasa3BdwasazcdfgeBd2asclfabadalcbz:cjjjbascxfaecdtfcualcdtg5alcFFFFi0Eg8Ecbyd;S1jjbHjjjjbbgOBdbasazcifgeBd2ascxfaecdtfa8Ecbyd;S1jjbHjjjjbbg8FBdbasazclVgaBd2alcd4alfhXcehCinaCgecethCaeaX6mbkcbhKascxfaacdtfghcuaecdtgCaecFFFFi0Ecbyd;S1jjbHjjjjbbgXBdbasazcvVggBd2aXcFeaCz:ljjjbhQdnalTmbavcd4hAaecufhCinaKhednaHTmbaHaKcdtfydbhekaiaeaA2cdtfgeydlgXcH4aX7c:F:b:DD2aeydbgXcH4aX7c;D;O:B8J27aeydwgecH4ae7c:3F;N8N27aCGheaKcdth8JdndndndndnaHTmbaHa8JfhYcbhXinaQaecdtfgLydbg8AcuSmlaiaHa8AcdtfydbaA2cdtfaiaYydbaA2cdtfcxz:ojjjbTmiaXcefgXaefaCGheaXaC9nmbxdkkaiaKaA2cdtfhYcbhXinaQaecdtfgLydbg8AcuSmiaia8AaA2cdtfaYcxz:ojjjbTmdaXcefgXaefaCGheaXaC9nmbkkcbhLkaLydbgecu9hmekaLaKBdbaKhekaOa8JfaeBdbaKcefgKal9hmbkcbhea8FhCinaCaeBdbaCclfhCalaecefge9hmbkcbheaOhCa8FhXindnaeaCydbgASmbaXa8FaAcdtfgAydbBdbaAaeBdbkaCclfhCaXclfhXalaecefge9hmbkkcbh8KaQcbyd;O1jjbH:bjjjbbasaaBd2ahalcbyd;S1jjbHjjjjbbgABdbasagBd2ascxfagcdtfa8Ecbyd;S1jjbHjjjjbbgeBdbasazcofgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbgCBdbasazcrfg8LBd2aecFea5z:ljjjbh8MaCcFea5z: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;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgEBdbasazcwVg8JBd2aEaialavaHz:djjjbh8PdndnaDmbcbhvcbh3xekcbh3awhecbhCindnaeIdbJbbbb9ETmbasc;Wbfa3cdtfaCBdba3cefh3kaeclfheaDaCcefgC9hmbkascxfa8Jcdtfcua3al2gecdtaecFFFFi0Ecbyd;S1jjbHjjjjbbgvBdbasazcDVg8JBd2alTmba3Tmbarcd4hKdnaHTmba3cdthicbhQavhYinaoaHaQcdtfydbaK2cdtfhLasc;WbfheaYhCa3hXinaCaLaeydbcdtg8AfIdbawa8AfIdbNUdbaeclfheaCclfhCaXcufgXmbkaYaifhYaQcefgQal9hmbxdkka3cdthicbhQavhYinaoaQaK2cdtfhLasc;WbfheaYhCa3hXinaCaLaeydbcdtg8AfIdbawa8AfIdbNUdbaeclfheaCclfhCaXcufgXmbkaYaifhYaQcefgQal9hmbkkascxfa8Jcdtfcualc8S2gealc;D;O;f8U0EgXcbyd;S1jjbHjjjjbbgCBdbasa8Jcefg8ABd2aCcbaez:ljjjbh8Kdndndna3Tmbascxfa8AcdtfaXcbyd;S1jjbHjjjjbbgqBdbasa8JcdfgCBd2aqcbaez:ljjjb8AascxfaCcdtfcua3al2gecltgCaecFFFFb0Ecbyd;S1jjbHjjjjbbgzBdbasa8JcifBd2azcbaCz:ljjjb8AadmexdkcbhqcbhzadTmekcbhLabhCindnaEaCclfydbgQcx2fgeIdbaEaCydbgYcx2fgXIdbgI:tg8RaEaCcwfydbgKcx2fg8AIdlaXIdlg8S:tgRNa8AIdbaI:tg8UaeIdla8S:tg8VN:tg8Wa8WNa8Va8AIdwaXIdwg8X:tg8YNaRaeIdwa8X:tg8VN:tgRaRNa8Va8UNa8Ya8RN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOaYcdtfydbc8S2fgeaRa8U:rg8UaRNNg8VaeIdbMUdbaea8Ra8Ua8RNg8ZNg8YaeIdlMUdlaea8Wa8Ua8WNg80Ng81aeIdwMUdwaea8ZaRNg8ZaeIdxMUdxaea80aRNgBaeIdzMUdzaea80a8RNg80aeIdCMUdCaeaRa8Ua8Wa8XNaRaINa8Sa8RNMM: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:q1jjbfRbbTmbaOaXcdtfydbaOa8Acdtfydb0mekdnaEaXcx2fgKIdwaEa8Acx2fgiIdwg8S:tgRaRNaKIdbaiIdbg8X:tg8Ra8RNaKIdlaiIdlg8V:tg8Ua8UNMM:rgIJbbbb9ETmbaRaI:vhRa8UaI:vh8Ua8RaI:vh8RkJbbacJbbacJbbjZaeceSEaLceSEh80dnaEaQaCc:e1jjbfydbcdtfydbcx2fgeIdwa8S:tg8WaRa8WaRNaeIdba8X:tg81a8RNa8UaeIdla8V:tg8ZNMMg8YN:tg8Wa8WNa81a8Ra8YN:tgRaRNa8Za8Ua8YN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOa8Acdtfydbc8S2fgeaRa80aINg8UaRNNg8YaeIdbMUdbaea8Ra8Ua8RNg80Ng81aeIdlMUdlaea8Wa8Ua8WNgINg8ZaeIdwMUdwaea80aRNg80aeIdxMUdxaeaIaRNgBaeIdzMUdzaeaIa8RNg83aeIdCMUdCaeaRa8Ua8Wa8SNaRa8XNa8Va8RNMM:mg8SNgINgRaeIdKMUdKaea8RaINg8RaeId3MUd3aea8WaINg8WaeIdaMUdaaeaIa8SNgIaeId8KMUd8Kaea8UaeIdyMUdya8KaOaXcdtfydbc8S2fgea8YaeIdbMUdbaea81aeIdlMUdlaea8ZaeIdwMUdwaea80aeIdxMUdxaeaBaeIdzMUdzaea83aeIdCMUdCaeaRaeIdKMUdKaea8RaeId3MUd3aea8WaeIdaMUdaaeaIaeId8KMUd8Kaea8UaeIdyMUdykaCclfgCcx9hmbkaYcxfhYa8Jcifg8Jad6mbka3TmbcbhYinJbbbbh8XaEabaYcdtfgeclfydbgKcx2fgCIdwaEaeydbgicx2fgXIdwg8Z:tg8Ra8RNaCIdbaXIdbgB:tg8Wa8WNaCIdlaXIdlg83:tg8Ua8UNMMg80aEaecwfydbg8Jcx2fgeIdwa8Z:tgINa8Ra8RaINa8WaeIdbaB:tg8SNa8UaeIdla83:tg8VNMMgRN:tJbbbbJbbjZa80aIaINa8Sa8SNa8Va8VNMMg81NaRaRN:tg8Y:va8YJbbbb9BEg8YNhUa81a8RNaIaRN:ta8YNh85a80a8VNa8UaRN:ta8YNh86a81a8UNa8VaRN:ta8YNh87a80a8SNa8WaRN:ta8YNh88a81a8WNa8SaRN:ta8YNh89a8Wa8VNa8Sa8UN:tgRaRNa8UaINa8Va8RN:tgRaRNa8Ra8SNaIa8WN:tgRaRNMM:r:rhRavaia32cdtfhCava8Ja32cdtfhXavaKa32cdtfh8Aa8Z:mh8:a83:mhZaB:mhncbhLa3hQJbbbbh8VJbbbbh8YJbbbbh80Jbbbbh81Jbbbbh8ZJbbbbhBJbbbbh83JbbbbhcJbbbbh9cinasc;WbfaLfgecwfaRa85a8AIdbaCIdbgI:tg8UNaUaXIdbaI:tg8SNMg8RNUdbaeclfaRa87a8UNa86a8SNMg8WNUdbaeaRa89a8UNa88a8SNMg8UNUdbaecxfaRa8: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;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkazaKa32cltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8Ambkazaia32cltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkaYcifgYad6mbkkasydlhJcbhednalTmbaJclfheaJydbh8AaAhCalhLcbhXincbaeydbgQa8A9RaCRbbcpeGEaXfhXaCcefhCaeclfheaQh8AaLcufgLmbkaXce4hekcuadae9Rcifg8Lcx2a8Lc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhhascxfasyd2gecdtfahBdbasaecefgCBd2ascxfaCcdtfcua8Lcdta8LcFFFFi0Ecbyd;S1jjbHjjjjbbgoBdbasaecdfgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbggBdbasaecifgCBd2ascxfaCcdtfalcbyd;S1jjbHjjjjbbg9eBdbasaeclfBd2a8PJbbjZamclGEhcJbbbbh83dnadak9nmbdna8Lci6mbaxaxNacacN:vhBa3clthTahcwfhSJbbbbh83inasclfabadgDalaOz:cjjjbabhicbhdcbhyinabaycdtfh8JcbheindnaOaiaefydbgXcdtgKfydbg8AaOa8Jaec:S1jjbfydbcdtfydbgCcdtfydbgLSmbaAaCfRbbgYcv2aAaXfRbbgQfc;a1jjbfRbbgwaQcv2aYfg5c;a1jjbfRbbgaVcFeGTmbdnaLa8A9nmba5c:q1jjbfRbbcFeGmekdnaQaY9hmbaQcufcFeGce0mba8MaKfydbaC9hmekahadcx2fg8AaCaXaacFeGgLEBdla8AaXaCaLEBdba8AaLawGcb9hBdwadcefhdkaeclfgecx9hmbkdnaycifgyaD9pmbaicxfhiadcifa8L9nmekkdnadmbaDhdxikcbhYinJbbbbJbbjZa8KaOahaYcx2fg8AydlgLa8AydbgQa8AydwgCEgicdtfydbgwc8S2gafgeIdygR:vaRJbbbb9BEaeIdwaEaQaLaCEgKcx2fgCIdwg8UNaeIdzaCIdbgINaeIdaMgRaRMMa8UNaeIdlaCIdlg8SNaeIdCa8UNaeId3MgRaRMMa8SNaeIdbaINaeIdxa8SNaeIdKMgRaRMMaINaeId8KMMM:lNh80JbbbbJbbjZa8KaOaQcdtfydbgyc8S2gXfgeIdygR:vaRJbbbb9BEaeIdwaEaLcx2fgCIdwg8WNaeIdzaCIdbg8XNaeIdaMgRaRMMa8WNaeIdlaCIdlg8VNaeIdCa8WNaeId3MgRaRMMa8VNaeIdba8XNaeIdxa8VNaeIdKMgRaRMMa8XNaeId8KMMM:lNh81a8Acwfh8Ja8Aclfh5dna3TmbaqaXfgXIdwa8WNaXIdza8XNaXIdaMgRaRMMa8WNaXIdla8VNaXIdCa8WNaXId3MgRaRMMa8VNaXIdba8XNaXIdxa8VNaXIdKMgRaRMMa8XNaXId8KMMMh8RavaLa32cdtfhCazaya32cltfheaXIdyh8Ya3hXinaCIdbgRJbbb;aNaecxfIdba8WaecwfIdbNa8XaeIdbNa8VaeclfIdbNMMMNaRaRNa8YNa8RMMh8RaCclfhCaeczfheaXcufgXmbkaqaafgXIdwa8UNaXIdzaINaXIdaMgRaRMMa8UNaXIdla8SNaXIdCa8UNaXId3MgRaRMMa8SNaXIdbaINaXIdxa8SNaXIdKMgRaRMMaINaXId8KMMMh8WavaKa32cdtfhCazawa32cltfheaXIdyh8Xa3hXinaCIdbgRJbbb;aNaecxfIdba8UaecwfIdbNaIaeIdbNa8SaeclfIdbNMMMNaRaRNa8XNa8WMMh8WaCclfhCaeczfheaXcufgXmbka80a8W:lMh80a81a8R:lMh81ka5aLaKa81a809FgeEBdba8AaQaiaeEBdba8Ja81a80aeEUdbaYcefgYad9hmbkasc;Wbfcbcj;abz:ljjjb8AaSheadhCinasc;WbfaeydbcO4c;8ZGfgXaXydbcefBdbaecxfheaCcufgCmbkcbhecbhCinasc;WbfaefgXydbh8AaXaCBdba8AaCfhCaeclfgecj;ab9hmbkcbheaShCinasc;WbfaCydbcO4c;8ZGfgXaXydbgXcefBdbaoaXcdtfaeBdbaCcxfhCadaecefge9hmbkaDak9RgXci9Uh9hdnalTmbcbheaghCinaCaeBdbaCclfhCalaecefge9hmbkkcbh9ia9ecbalz:ljjjbh6aXcO9Uh9ka9hce4h0asydwh9mcbhacbh5dninahaoa5cdtfydbcx2fg8JIdwg8RaB9Emeaaa9h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaaa9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgKcwfhyaKclfh8EaEa9rcx2fgwcwfhmawclfhrcbhCcehYdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNawIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb'; // embed! wasm
 
-	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
+	var wasmpack = new Uint8Array([
+		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
+		24, 23, 146, 148, 18, 14, 22, 45, 70, 69, 56, 114, 101, 21, 25, 63, 75, 136, 108, 28, 118, 29, 73, 115,
+	]);
 
 	if (typeof WebAssembly !== 'object') {
 		return {
@@ -16,12 +20,10 @@ var MeshoptSimplifier = (function() {
 
 	var instance;
 
-	var ready =
-		WebAssembly.instantiate(unpack(wasm), {})
-		.then(function(result) {
-			instance = result.instance;
-			instance.exports.__wasm_call_ctors();
-		});
+	var ready = WebAssembly.instantiate(unpack(wasm), {}).then(function (result) {
+		instance = result.instance;
+		instance.exports.__wasm_call_ctors();
+	});
 
 	function unpack(data) {
 		var result = new Uint8Array(data.length);
@@ -31,14 +33,14 @@ var MeshoptSimplifier = (function() {
 		}
 		var write = 0;
 		for (var i = 0; i < data.length; ++i) {
-			result[write++] = (result[i] < 60) ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i];
+			result[write++] = result[i] < 60 ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i];
 		}
 		return result.buffer.slice(0, write);
 	}
 
 	function assert(cond) {
 		if (!cond) {
-			throw new Error("Assertion failed");
+			throw new Error('Assertion failed');
 		}
 	}
 
@@ -61,8 +63,7 @@ var MeshoptSimplifier = (function() {
 		indices8.set(heap.subarray(ip, ip + indices.length * 4));
 		sbrk(ip - sbrk(0));
 
-		for (var i = 0; i < indices.length; ++i)
-			indices[i] = remap[indices[i]];
+		for (var i = 0; i < indices.length; ++i) indices[i] = remap[indices[i]];
 
 		return [remap, unique];
 	}
@@ -96,7 +97,21 @@ var MeshoptSimplifier = (function() {
 		return [target, error[0]];
 	}
 
-	function simplifyAttr(fun, indices, index_count, vertex_positions, vertex_count, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, vertex_lock, target_index_count, target_error, options) {
+	function simplifyAttr(
+		fun,
+		indices,
+		index_count,
+		vertex_positions,
+		vertex_count,
+		vertex_positions_stride,
+		vertex_attributes,
+		vertex_attributes_stride,
+		attribute_weights,
+		vertex_lock,
+		target_index_count,
+		target_error,
+		options,
+	) {
 		var sbrk = instance.exports.sbrk;
 		var te = sbrk(4);
 		var ti = sbrk(index_count * 4);
@@ -113,7 +128,23 @@ var MeshoptSimplifier = (function() {
 		if (vertex_lock) {
 			heap.set(bytes(vertex_lock), vl);
 		}
-		var result = fun(ti, si, index_count, sp, vertex_count, vertex_positions_stride, sa, vertex_attributes_stride, sw, attribute_weights.length, vl, target_index_count, target_error, options, te);
+		var result = fun(
+			ti,
+			si,
+			index_count,
+			sp,
+			vertex_count,
+			vertex_positions_stride,
+			sa,
+			vertex_attributes_stride,
+			sw,
+			attribute_weights.length,
+			vl,
+			target_index_count,
+			target_error,
+			options,
+			te,
+		);
 		// heap may have grown
 		heap = new Uint8Array(instance.exports.memory.buffer);
 		var target = new Uint32Array(result);
@@ -134,7 +165,16 @@ var MeshoptSimplifier = (function() {
 		return result;
 	}
 
-	function simplifyPoints(fun, vertex_positions, vertex_count, vertex_positions_stride, vertex_colors, vertex_colors_stride, color_weight, target_vertex_count) {
+	function simplifyPoints(
+		fun,
+		vertex_positions,
+		vertex_count,
+		vertex_positions_stride,
+		vertex_colors,
+		vertex_colors_stride,
+		color_weight,
+		target_vertex_count,
+	) {
 		var sbrk = instance.exports.sbrk;
 		var ti = sbrk(target_vertex_count * 4);
 		var sp = sbrk(vertex_count * vertex_positions_stride);
@@ -167,16 +207,20 @@ var MeshoptSimplifier = (function() {
 		// note that these functions are experimental and may change interface/behavior in a way that will require revising calling code
 		useExperimentalFeatures: false,
 
-		compactMesh: function(indices) {
-			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
+		compactMesh: function (indices) {
+			assert(
+				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array,
+			);
 			assert(indices.length % 3 == 0);
 
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
 			return reorder(instance.exports.meshopt_optimizeVertexFetchRemap, indices32, maxindex(indices) + 1);
 		},
 
-		simplify: function(indices, vertex_positions, vertex_positions_stride, target_index_count, target_error, flags) {
-			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
+		simplify: function (indices, vertex_positions, vertex_positions_stride, target_index_count, target_error, flags) {
+			assert(
+				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array,
+			);
 			assert(indices.length % 3 == 0);
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
@@ -192,15 +236,38 @@ var MeshoptSimplifier = (function() {
 			}
 
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
-			var result = simplify(instance.exports.meshopt_simplify, indices32, indices.length, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, target_index_count, target_error, options);
-			result[0] = (indices instanceof Uint32Array) ? result[0] : new indices.constructor(result[0]);
+			var result = simplify(
+				instance.exports.meshopt_simplify,
+				indices32,
+				indices.length,
+				vertex_positions,
+				vertex_positions.length / vertex_positions_stride,
+				vertex_positions_stride * 4,
+				target_index_count,
+				target_error,
+				options,
+			);
+			result[0] = indices instanceof Uint32Array ? result[0] : new indices.constructor(result[0]);
 
 			return result;
 		},
 
-		simplifyWithAttributes: function(indices, vertex_positions, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, vertex_lock, target_index_count, target_error, flags) {
+		simplifyWithAttributes: function (
+			indices,
+			vertex_positions,
+			vertex_positions_stride,
+			vertex_attributes,
+			vertex_attributes_stride,
+			attribute_weights,
+			vertex_lock,
+			target_index_count,
+			target_error,
+			flags,
+		) {
 			assert(this.useExperimentalFeatures); // set useExperimentalFeatures to use this; note that this function is experimental and may change interface in a way that will require revising calling code
-			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
+			assert(
+				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array,
+			);
 			assert(indices.length % 3 == 0);
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
@@ -226,20 +293,39 @@ var MeshoptSimplifier = (function() {
 			}
 
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
-			var result = simplifyAttr(instance.exports.meshopt_simplifyWithAttributes, indices32, indices.length, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, vertex_attributes, vertex_attributes_stride * 4, new Float32Array(attribute_weights), vertex_lock ? new Uint8Array(vertex_lock) : null, target_index_count, target_error, options);
-			result[0] = (indices instanceof Uint32Array) ? result[0] : new indices.constructor(result[0]);
+			var result = simplifyAttr(
+				instance.exports.meshopt_simplifyWithAttributes,
+				indices32,
+				indices.length,
+				vertex_positions,
+				vertex_positions.length / vertex_positions_stride,
+				vertex_positions_stride * 4,
+				vertex_attributes,
+				vertex_attributes_stride * 4,
+				new Float32Array(attribute_weights),
+				vertex_lock ? new Uint8Array(vertex_lock) : null,
+				target_index_count,
+				target_error,
+				options,
+			);
+			result[0] = indices instanceof Uint32Array ? result[0] : new indices.constructor(result[0]);
 
 			return result;
 		},
 
-		getScale: function(vertex_positions, vertex_positions_stride) {
+		getScale: function (vertex_positions, vertex_positions_stride) {
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
 			assert(vertex_positions_stride >= 3);
-			return simplifyScale(instance.exports.meshopt_simplifyScale, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4);
+			return simplifyScale(
+				instance.exports.meshopt_simplifyScale,
+				vertex_positions,
+				vertex_positions.length / vertex_positions_stride,
+				vertex_positions_stride * 4,
+			);
 		},
 
-		simplifyPoints: function(vertex_positions, vertex_positions_stride, target_vertex_count, vertex_colors, vertex_colors_stride, color_weight) {
+		simplifyPoints: function (vertex_positions, vertex_positions_stride, target_vertex_count, vertex_colors, vertex_colors_stride, color_weight) {
 			assert(this.useExperimentalFeatures); // set useExperimentalFeatures to use this; note that this function is experimental and may change interface in a way that will require revising calling code
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
@@ -250,22 +336,37 @@ var MeshoptSimplifier = (function() {
 				assert(vertex_colors.length % vertex_colors_stride == 0);
 				assert(vertex_colors_stride >= 3);
 				assert(vertex_positions.length / vertex_positions_stride == vertex_colors.length / vertex_colors_stride);
-				return simplifyPoints(instance.exports.meshopt_simplifyPoints, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, vertex_colors, vertex_colors_stride * 4, color_weight, target_vertex_count);
+				return simplifyPoints(
+					instance.exports.meshopt_simplifyPoints,
+					vertex_positions,
+					vertex_positions.length / vertex_positions_stride,
+					vertex_positions_stride * 4,
+					vertex_colors,
+					vertex_colors_stride * 4,
+					color_weight,
+					target_vertex_count,
+				);
 			} else {
-				return simplifyPoints(instance.exports.meshopt_simplifyPoints, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, undefined, 0, 0, target_vertex_count);
+				return simplifyPoints(
+					instance.exports.meshopt_simplifyPoints,
+					vertex_positions,
+					vertex_positions.length / vertex_positions_stride,
+					vertex_positions_stride * 4,
+					undefined,
+					0,
+					0,
+					target_vertex_count,
+				);
 			}
 		},
 	};
 })();
 
 // export! MeshoptSimplifier
-if (typeof exports === 'object' && typeof module === 'object')
-	module.exports = MeshoptSimplifier;
+if (typeof exports === 'object' && typeof module === 'object') module.exports = MeshoptSimplifier;
 else if (typeof define === 'function' && define['amd'])
-	define([], function() {
+	define([], function () {
 		return MeshoptSimplifier;
 	});
-else if (typeof exports === 'object')
-	exports["MeshoptSimplifier"] = MeshoptSimplifier;
-else
-	(typeof self !== 'undefined' ? self : this).MeshoptSimplifier = MeshoptSimplifier;
+else if (typeof exports === 'object') exports['MeshoptSimplifier'] = MeshoptSimplifier;
+else (typeof self !== 'undefined' ? self : this).MeshoptSimplifier = MeshoptSimplifier;
diff --git a/js/meshopt_simplifier.module.d.ts b/js/meshopt_simplifier.module.d.ts
index b2c042170f..93e86ec8c8 100644
--- a/js/meshopt_simplifier.module.d.ts
+++ b/js/meshopt_simplifier.module.d.ts
@@ -1,6 +1,6 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-export type Flags = "LockBorder" | "Sparse" | "ErrorAbsolute";
+export type Flags = 'LockBorder' | 'Sparse' | 'ErrorAbsolute';
 
 export const MeshoptSimplifier: {
 	supported: boolean;
@@ -10,13 +10,38 @@ export const MeshoptSimplifier: {
 
 	compactMesh: (indices: Uint32Array) => [Uint32Array, number];
 
-	simplify: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, target_index_count: number, target_error: number, flags?: Flags[]) => [Uint32Array, number];
+	simplify: (
+		indices: Uint32Array,
+		vertex_positions: Float32Array,
+		vertex_positions_stride: number,
+		target_index_count: number,
+		target_error: number,
+		flags?: Flags[],
+	) => [Uint32Array, number];
 
 	// Experimental; requires useExperimentalFeatures to be set to true
-	simplifyWithAttributes: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, vertex_attributes: Float32Array, vertex_attributes_stride: number, attribute_weights: number[], vertex_lock: boolean[] | null, target_index_count: number, target_error: number, flags?: Flags[]) => [Uint32Array, number];
+	simplifyWithAttributes: (
+		indices: Uint32Array,
+		vertex_positions: Float32Array,
+		vertex_positions_stride: number,
+		vertex_attributes: Float32Array,
+		vertex_attributes_stride: number,
+		attribute_weights: number[],
+		vertex_lock: boolean[] | null,
+		target_index_count: number,
+		target_error: number,
+		flags?: Flags[],
+	) => [Uint32Array, number];
 
 	getScale: (vertex_positions: Float32Array, vertex_positions_stride: number) => number;
 
 	// Experimental; requires useExperimentalFeatures to be set to true
-	simplifyPoints: (vertex_positions: Float32Array, vertex_positions_stride: number, target_vertex_count: number, vertex_colors?: Float32Array, vertex_colors_stride?: number, color_weight?: number) => Uint32Array;
+	simplifyPoints: (
+		vertex_positions: Float32Array,
+		vertex_positions_stride: number,
+		target_vertex_count: number,
+		vertex_colors?: Float32Array,
+		vertex_colors_stride?: number,
+		color_weight?: number,
+	) => Uint32Array;
 };
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index 9b4a44d398..df9ecec1d4 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -1,11 +1,15 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-var MeshoptSimplifier = (function() {
+var MeshoptSimplifier = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
-	var wasm = 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ka9hce4h0asydwh9mcbhacbh5dninahaoa5cdtfydbcx2fg8JIdwg8RaB9Emeaaa9h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaaa9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgKcwfhyaKclfh8EaEa9rcx2fgwcwfhmawclfhrcbhCcehYdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNawIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb"; // embed! wasm
+	var wasm =
+		'b9H79Tebbbe9Hk9Geueu9Geub9Gbb9Gsuuuuuuuuuuuu99uueu9Gvuuuuub9Gvuuuuue999Gquuuuuuu99uueu9Gwuuuuuu99ueu9Giuuue999Gluuuueu9GiuuueuizsdilvoirwDbqqbeqlve9Weiiviebeoweuecj;jekr:Tewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bbz9TW79O9V9Wt9F79P9T9W29P9M95bl8E9TW79O9V9Wt9F79P9T9W29P9M959x9Pt9OcttV9P9I91tW7bvQ9TW79O9V9Wt9F79P9T9W29P9M959q9V9P9Ut7boX9TW79O9V9Wt9F79P9T9W29P9M959t9J9H2Wbra9TW79O9V9Wt9F9V9Wt9P9T9P96W9wWVtW94SWt9J9O9sW9T9H9Wbwl79IV9RbDDwebcekdmxq;Q97sdbk:C9ti8Au8A99zu8Jjjjjbc;W;ab9Rgs8Kjjjjbcbhzascxfcbc;Kbz:ljjjb8AdnabaeSmbabaeadcdtz:kjjjb8AkdndnamcdGmbcbhHxekasalcrfci4gecbyd;S1jjbHjjjjbbgOBdxasceBd2aOcbaez:ljjjbhAcbhlcbhednadTmbcbhlabheadhOinaAaeydbgCci4fgXaXRbbgXceaCcrGgCtV86bbaXcu7aC4ceGalfhlaeclfheaOcufgOmbkcualcdtalcFFFFi0Ehekasaecbyd;S1jjbHjjjjbbgHBdzascdBd2alcd4alfhCcehOinaOgecethOaeaC6mbkcdhzcbhQascuaecdtgOaecFFFFi0Ecbyd;S1jjbHjjjjbbgCBdCasciBd2aCcFeaOz:ljjjbhLdnadTmbaecufhXcbhKinabaQcdtfgYydbgAc:v;t;h;Ev2hCcbhedndninaLaCaXGgCcdtfg8AydbgOcuSmeaHaOcdtfydbaASmdaecefgeaCfhCaeaX9nmbxdkkaHaKcdtfaABdba8AaKBdbaKhOaKcefhKkaYaOBdbaQcefgQad9hmbkkaLcbyd;O1jjbH:bjjjbbascdBd2kascxfazcdtfcualcefgecdtaecFFFFi0Ecbyd;S1jjbHjjjjbbgEBdbasaEBdlasazceVgeBd2ascxfaecdtfcuadcitadcFFFFe0Ecbyd;S1jjbHjjjjbbg3Bdbasa3BdwasazcdfgeBd2asclfabadalcbz:cjjjbascxfaecdtfcualcdtg5alcFFFFi0Eg8Ecbyd;S1jjbHjjjjbbgOBdbasazcifgeBd2ascxfaecdtfa8Ecbyd;S1jjbHjjjjbbg8FBdbasazclVgaBd2alcd4alfhXcehCinaCgecethCaeaX6mbkcbhKascxfaacdtfghcuaecdtgCaecFFFFi0Ecbyd;S1jjbHjjjjbbgXBdbasazcvVggBd2aXcFeaCz:ljjjbhQdnalTmbavcd4hAaecufhCinaKhednaHTmbaHaKcdtfydbhekaiaeaA2cdtfgeydlgXcH4aX7c:F:b:DD2aeydbgXcH4aX7c;D;O:B8J27aeydwgecH4ae7c:3F;N8N27aCGheaKcdth8JdndndndndnaHTmbaHa8JfhYcbhXinaQaecdtfgLydbg8AcuSmlaiaHa8AcdtfydbaA2cdtfaiaYydbaA2cdtfcxz:ojjjbTmiaXcefgXaefaCGheaXaC9nmbxdkkaiaKaA2cdtfhYcbhXinaQaecdtfgLydbg8AcuSmiaia8AaA2cdtfaYcxz:ojjjbTmdaXcefgXaefaCGheaXaC9nmbkkcbhLkaLydbgecu9hmekaLaKBdbaKhekaOa8JfaeBdbaKcefgKal9hmbkcbhea8FhCinaCaeBdbaCclfhCalaecefge9hmbkcbheaOhCa8FhXindnaeaCydbgASmbaXa8FaAcdtfgAydbBdbaAaeBdbkaCclfhCaXclfhXalaecefge9hmbkkcbh8KaQcbyd;O1jjbH:bjjjbbasaaBd2ahalcbyd;S1jjbHjjjjbbgABdbasagBd2ascxfagcdtfa8Ecbyd;S1jjbHjjjjbbgeBdbasazcofgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbgCBdbasazcrfg8LBd2aecFea5z:ljjjbh8MaCcFea5z: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;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgEBdbasazcwVg8JBd2aEaialavaHz:djjjbh8PdndnaDmbcbhvcbh3xekcbh3awhecbhCindnaeIdbJbbbb9ETmbasc;Wbfa3cdtfaCBdba3cefh3kaeclfheaDaCcefgC9hmbkascxfa8Jcdtfcua3al2gecdtaecFFFFi0Ecbyd;S1jjbHjjjjbbgvBdbasazcDVg8JBd2alTmba3Tmbarcd4hKdnaHTmba3cdthicbhQavhYinaoaHaQcdtfydbaK2cdtfhLasc;WbfheaYhCa3hXinaCaLaeydbcdtg8AfIdbawa8AfIdbNUdbaeclfheaCclfhCaXcufgXmbkaYaifhYaQcefgQal9hmbxdkka3cdthicbhQavhYinaoaQaK2cdtfhLasc;WbfheaYhCa3hXinaCaLaeydbcdtg8AfIdbawa8AfIdbNUdbaeclfheaCclfhCaXcufgXmbkaYaifhYaQcefgQal9hmbkkascxfa8Jcdtfcualc8S2gealc;D;O;f8U0EgXcbyd;S1jjbHjjjjbbgCBdbasa8Jcefg8ABd2aCcbaez:ljjjbh8Kdndndna3Tmbascxfa8AcdtfaXcbyd;S1jjbHjjjjbbgqBdbasa8JcdfgCBd2aqcbaez:ljjjb8AascxfaCcdtfcua3al2gecltgCaecFFFFb0Ecbyd;S1jjbHjjjjbbgzBdbasa8JcifBd2azcbaCz:ljjjb8AadmexdkcbhqcbhzadTmekcbhLabhCindnaEaCclfydbgQcx2fgeIdbaEaCydbgYcx2fgXIdbgI:tg8RaEaCcwfydbgKcx2fg8AIdlaXIdlg8S:tgRNa8AIdbaI:tg8UaeIdla8S:tg8VN:tg8Wa8WNa8Va8AIdwaXIdwg8X:tg8YNaRaeIdwa8X:tg8VN:tgRaRNa8Va8UNa8Ya8RN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOaYcdtfydbc8S2fgeaRa8U:rg8UaRNNg8VaeIdbMUdbaea8Ra8Ua8RNg8ZNg8YaeIdlMUdlaea8Wa8Ua8WNg80Ng81aeIdwMUdwaea8ZaRNg8ZaeIdxMUdxaea80aRNgBaeIdzMUdzaea80a8RNg80aeIdCMUdCaeaRa8Ua8Wa8XNaRaINa8Sa8RNMM: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:q1jjbfRbbTmbaOaXcdtfydbaOa8Acdtfydb0mekdnaEaXcx2fgKIdwaEa8Acx2fgiIdwg8S:tgRaRNaKIdbaiIdbg8X:tg8Ra8RNaKIdlaiIdlg8V:tg8Ua8UNMM:rgIJbbbb9ETmbaRaI:vhRa8UaI:vh8Ua8RaI:vh8RkJbbacJbbacJbbjZaeceSEaLceSEh80dnaEaQaCc:e1jjbfydbcdtfydbcx2fgeIdwa8S:tg8WaRa8WaRNaeIdba8X:tg81a8RNa8UaeIdla8V:tg8ZNMMg8YN:tg8Wa8WNa81a8Ra8YN:tgRaRNa8Za8Ua8YN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOa8Acdtfydbc8S2fgeaRa80aINg8UaRNNg8YaeIdbMUdbaea8Ra8Ua8RNg80Ng81aeIdlMUdlaea8Wa8Ua8WNgINg8ZaeIdwMUdwaea80aRNg80aeIdxMUdxaeaIaRNgBaeIdzMUdzaeaIa8RNg83aeIdCMUdCaeaRa8Ua8Wa8SNaRa8XNa8Va8RNMM:mg8SNgINgRaeIdKMUdKaea8RaINg8RaeId3MUd3aea8WaINg8WaeIdaMUdaaeaIa8SNgIaeId8KMUd8Kaea8UaeIdyMUdya8KaOaXcdtfydbc8S2fgea8YaeIdbMUdbaea81aeIdlMUdlaea8ZaeIdwMUdwaea80aeIdxMUdxaeaBaeIdzMUdzaea83aeIdCMUdCaeaRaeIdKMUdKaea8RaeId3MUd3aea8WaeIdaMUdaaeaIaeId8KMUd8Kaea8UaeIdyMUdykaCclfgCcx9hmbkaYcxfhYa8Jcifg8Jad6mbka3TmbcbhYinJbbbbh8XaEabaYcdtfgeclfydbgKcx2fgCIdwaEaeydbgicx2fgXIdwg8Z:tg8Ra8RNaCIdbaXIdbgB:tg8Wa8WNaCIdlaXIdlg83:tg8Ua8UNMMg80aEaecwfydbg8Jcx2fgeIdwa8Z:tgINa8Ra8RaINa8WaeIdbaB:tg8SNa8UaeIdla83:tg8VNMMgRN:tJbbbbJbbjZa80aIaINa8Sa8SNa8Va8VNMMg81NaRaRN:tg8Y:va8YJbbbb9BEg8YNhUa81a8RNaIaRN:ta8YNh85a80a8VNa8UaRN:ta8YNh86a81a8UNa8VaRN:ta8YNh87a80a8SNa8WaRN:ta8YNh88a81a8WNa8SaRN:ta8YNh89a8Wa8VNa8Sa8UN:tgRaRNa8UaINa8Va8RN:tgRaRNa8Ra8SNaIa8WN:tgRaRNMM:r:rhRavaia32cdtfhCava8Ja32cdtfhXavaKa32cdtfh8Aa8Z:mh8:a83:mhZaB:mhncbhLa3hQJbbbbh8VJbbbbh8YJbbbbh80Jbbbbh81Jbbbbh8ZJbbbbhBJbbbbh83JbbbbhcJbbbbh9cinasc;WbfaLfgecwfaRa85a8AIdbaCIdbgI:tg8UNaUaXIdbaI:tg8SNMg8RNUdbaeclfaRa87a8UNa86a8SNMg8WNUdbaeaRa89a8UNa88a8SNMg8UNUdbaecxfaRa8: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;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkazaKa32cltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8Ambkazaia32cltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkaYcifgYad6mbkkasydlhJcbhednalTmbaJclfheaJydbh8AaAhCalhLcbhXincbaeydbgQa8A9RaCRbbcpeGEaXfhXaCcefhCaeclfheaQh8AaLcufgLmbkaXce4hekcuadae9Rcifg8Lcx2a8Lc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhhascxfasyd2gecdtfahBdbasaecefgCBd2ascxfaCcdtfcua8Lcdta8LcFFFFi0Ecbyd;S1jjbHjjjjbbgoBdbasaecdfgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbggBdbasaecifgCBd2ascxfaCcdtfalcbyd;S1jjbHjjjjbbg9eBdbasaeclfBd2a8PJbbjZamclGEhcJbbbbh83dnadak9nmbdna8Lci6mbaxaxNacacN:vhBa3clthTahcwfhSJbbbbh83inasclfabadgDalaOz:cjjjbabhicbhdcbhyinabaycdtfh8JcbheindnaOaiaefydbgXcdtgKfydbg8AaOa8Jaec:S1jjbfydbcdtfydbgCcdtfydbgLSmbaAaCfRbbgYcv2aAaXfRbbgQfc;a1jjbfRbbgwaQcv2aYfg5c;a1jjbfRbbgaVcFeGTmbdnaLa8A9nmba5c:q1jjbfRbbcFeGmekdnaQaY9hmbaQcufcFeGce0mba8MaKfydbaC9hmekahadcx2fg8AaCaXaacFeGgLEBdla8AaXaCaLEBdba8AaLawGcb9hBdwadcefhdkaeclfgecx9hmbkdnaycifgyaD9pmbaicxfhiadcifa8L9nmekkdnadmbaDhdxikcbhYinJbbbbJbbjZa8KaOahaYcx2fg8AydlgLa8AydbgQa8AydwgCEgicdtfydbgwc8S2gafgeIdygR:vaRJbbbb9BEaeIdwaEaQaLaCEgKcx2fgCIdwg8UNaeIdzaCIdbgINaeIdaMgRaRMMa8UNaeIdlaCIdlg8SNaeIdCa8UNaeId3MgRaRMMa8SNaeIdbaINaeIdxa8SNaeIdKMgRaRMMaINaeId8KMMM:lNh80JbbbbJbbjZa8KaOaQcdtfydbgyc8S2gXfgeIdygR:vaRJbbbb9BEaeIdwaEaLcx2fgCIdwg8WNaeIdzaCIdbg8XNaeIdaMgRaRMMa8WNaeIdlaCIdlg8VNaeIdCa8WNaeId3MgRaRMMa8VNaeIdba8XNaeIdxa8VNaeIdKMgRaRMMa8XNaeId8KMMM:lNh81a8Acwfh8Ja8Aclfh5dna3TmbaqaXfgXIdwa8WNaXIdza8XNaXIdaMgRaRMMa8WNaXIdla8VNaXIdCa8WNaXId3MgRaRMMa8VNaXIdba8XNaXIdxa8VNaXIdKMgRaRMMa8XNaXId8KMMMh8RavaLa32cdtfhCazaya32cltfheaXIdyh8Ya3hXinaCIdbgRJbbb;aNaecxfIdba8WaecwfIdbNa8XaeIdbNa8VaeclfIdbNMMMNaRaRNa8YNa8RMMh8RaCclfhCaeczfheaXcufgXmbkaqaafgXIdwa8UNaXIdzaINaXIdaMgRaRMMa8UNaXIdla8SNaXIdCa8UNaXId3MgRaRMMa8SNaXIdbaINaXIdxa8SNaXIdKMgRaRMMaINaXId8KMMMh8WavaKa32cdtfhCazawa32cltfheaXIdyh8Xa3hXinaCIdbgRJbbb;aNaecxfIdba8UaecwfIdbNaIaeIdbNa8SaeclfIdbNMMMNaRaRNa8XNa8WMMh8WaCclfhCaeczfheaXcufgXmbka80a8W:lMh80a81a8R:lMh81ka5aLaKa81a809FgeEBdba8AaQaiaeEBdba8Ja81a80aeEUdbaYcefgYad9hmbkasc;Wbfcbcj;abz:ljjjb8AaSheadhCinasc;WbfaeydbcO4c;8ZGfgXaXydbcefBdbaecxfheaCcufgCmbkcbhecbhCinasc;WbfaefgXydbh8AaXaCBdba8AaCfhCaeclfgecj;ab9hmbkcbheaShCinasc;WbfaCydbcO4c;8ZGfgXaXydbgXcefBdbaoaXcdtfaeBdbaCcxfhCadaecefge9hmbkaDak9RgXci9Uh9hdnalTmbcbheaghCinaCaeBdbaCclfhCalaecefge9hmbkkcbh9ia9ecbalz:ljjjbh6aXcO9Uh9ka9hce4h0asydwh9mcbhacbh5dninahaoa5cdtfydbcx2fg8JIdwg8RaB9Emeaaa9h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaaa9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgKcwfhyaKclfh8EaEa9rcx2fgwcwfhmawclfhrcbhCcehYdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNawIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;Owkxebbbdbbbj9Kbb'; // embed! wasm
 
-	var wasmpack = new Uint8Array([32,0,65,2,1,106,34,33,3,128,11,4,13,64,6,253,10,7,15,116,127,5,8,12,40,16,19,54,20,9,27,255,113,17,42,67,24,23,146,148,18,14,22,45,70,69,56,114,101,21,25,63,75,136,108,28,118,29,73,115]);
+	var wasmpack = new Uint8Array([
+		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
+		24, 23, 146, 148, 18, 14, 22, 45, 70, 69, 56, 114, 101, 21, 25, 63, 75, 136, 108, 28, 118, 29, 73, 115,
+	]);
 
 	if (typeof WebAssembly !== 'object') {
 		return {
@@ -15,12 +19,10 @@ var MeshoptSimplifier = (function() {
 
 	var instance;
 
-	var ready =
-		WebAssembly.instantiate(unpack(wasm), {})
-		.then(function(result) {
-			instance = result.instance;
-			instance.exports.__wasm_call_ctors();
-		});
+	var ready = WebAssembly.instantiate(unpack(wasm), {}).then(function (result) {
+		instance = result.instance;
+		instance.exports.__wasm_call_ctors();
+	});
 
 	function unpack(data) {
 		var result = new Uint8Array(data.length);
@@ -30,14 +32,14 @@ var MeshoptSimplifier = (function() {
 		}
 		var write = 0;
 		for (var i = 0; i < data.length; ++i) {
-			result[write++] = (result[i] < 60) ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i];
+			result[write++] = result[i] < 60 ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i];
 		}
 		return result.buffer.slice(0, write);
 	}
 
 	function assert(cond) {
 		if (!cond) {
-			throw new Error("Assertion failed");
+			throw new Error('Assertion failed');
 		}
 	}
 
@@ -60,8 +62,7 @@ var MeshoptSimplifier = (function() {
 		indices8.set(heap.subarray(ip, ip + indices.length * 4));
 		sbrk(ip - sbrk(0));
 
-		for (var i = 0; i < indices.length; ++i)
-			indices[i] = remap[indices[i]];
+		for (var i = 0; i < indices.length; ++i) indices[i] = remap[indices[i]];
 
 		return [remap, unique];
 	}
@@ -95,7 +96,21 @@ var MeshoptSimplifier = (function() {
 		return [target, error[0]];
 	}
 
-	function simplifyAttr(fun, indices, index_count, vertex_positions, vertex_count, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, vertex_lock, target_index_count, target_error, options) {
+	function simplifyAttr(
+		fun,
+		indices,
+		index_count,
+		vertex_positions,
+		vertex_count,
+		vertex_positions_stride,
+		vertex_attributes,
+		vertex_attributes_stride,
+		attribute_weights,
+		vertex_lock,
+		target_index_count,
+		target_error,
+		options,
+	) {
 		var sbrk = instance.exports.sbrk;
 		var te = sbrk(4);
 		var ti = sbrk(index_count * 4);
@@ -112,7 +127,23 @@ var MeshoptSimplifier = (function() {
 		if (vertex_lock) {
 			heap.set(bytes(vertex_lock), vl);
 		}
-		var result = fun(ti, si, index_count, sp, vertex_count, vertex_positions_stride, sa, vertex_attributes_stride, sw, attribute_weights.length, vl, target_index_count, target_error, options, te);
+		var result = fun(
+			ti,
+			si,
+			index_count,
+			sp,
+			vertex_count,
+			vertex_positions_stride,
+			sa,
+			vertex_attributes_stride,
+			sw,
+			attribute_weights.length,
+			vl,
+			target_index_count,
+			target_error,
+			options,
+			te,
+		);
 		// heap may have grown
 		heap = new Uint8Array(instance.exports.memory.buffer);
 		var target = new Uint32Array(result);
@@ -133,7 +164,16 @@ var MeshoptSimplifier = (function() {
 		return result;
 	}
 
-	function simplifyPoints(fun, vertex_positions, vertex_count, vertex_positions_stride, vertex_colors, vertex_colors_stride, color_weight, target_vertex_count) {
+	function simplifyPoints(
+		fun,
+		vertex_positions,
+		vertex_count,
+		vertex_positions_stride,
+		vertex_colors,
+		vertex_colors_stride,
+		color_weight,
+		target_vertex_count,
+	) {
 		var sbrk = instance.exports.sbrk;
 		var ti = sbrk(target_vertex_count * 4);
 		var sp = sbrk(vertex_count * vertex_positions_stride);
@@ -166,16 +206,20 @@ var MeshoptSimplifier = (function() {
 		// note that these functions are experimental and may change interface/behavior in a way that will require revising calling code
 		useExperimentalFeatures: false,
 
-		compactMesh: function(indices) {
-			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
+		compactMesh: function (indices) {
+			assert(
+				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array,
+			);
 			assert(indices.length % 3 == 0);
 
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
 			return reorder(instance.exports.meshopt_optimizeVertexFetchRemap, indices32, maxindex(indices) + 1);
 		},
 
-		simplify: function(indices, vertex_positions, vertex_positions_stride, target_index_count, target_error, flags) {
-			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
+		simplify: function (indices, vertex_positions, vertex_positions_stride, target_index_count, target_error, flags) {
+			assert(
+				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array,
+			);
 			assert(indices.length % 3 == 0);
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
@@ -191,15 +235,38 @@ var MeshoptSimplifier = (function() {
 			}
 
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
-			var result = simplify(instance.exports.meshopt_simplify, indices32, indices.length, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, target_index_count, target_error, options);
-			result[0] = (indices instanceof Uint32Array) ? result[0] : new indices.constructor(result[0]);
+			var result = simplify(
+				instance.exports.meshopt_simplify,
+				indices32,
+				indices.length,
+				vertex_positions,
+				vertex_positions.length / vertex_positions_stride,
+				vertex_positions_stride * 4,
+				target_index_count,
+				target_error,
+				options,
+			);
+			result[0] = indices instanceof Uint32Array ? result[0] : new indices.constructor(result[0]);
 
 			return result;
 		},
 
-		simplifyWithAttributes: function(indices, vertex_positions, vertex_positions_stride, vertex_attributes, vertex_attributes_stride, attribute_weights, vertex_lock, target_index_count, target_error, flags) {
+		simplifyWithAttributes: function (
+			indices,
+			vertex_positions,
+			vertex_positions_stride,
+			vertex_attributes,
+			vertex_attributes_stride,
+			attribute_weights,
+			vertex_lock,
+			target_index_count,
+			target_error,
+			flags,
+		) {
 			assert(this.useExperimentalFeatures); // set useExperimentalFeatures to use this; note that this function is experimental and may change interface in a way that will require revising calling code
-			assert(indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array);
+			assert(
+				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array,
+			);
 			assert(indices.length % 3 == 0);
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
@@ -225,20 +292,39 @@ var MeshoptSimplifier = (function() {
 			}
 
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
-			var result = simplifyAttr(instance.exports.meshopt_simplifyWithAttributes, indices32, indices.length, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, vertex_attributes, vertex_attributes_stride * 4, new Float32Array(attribute_weights), vertex_lock ? new Uint8Array(vertex_lock) : null, target_index_count, target_error, options);
-			result[0] = (indices instanceof Uint32Array) ? result[0] : new indices.constructor(result[0]);
+			var result = simplifyAttr(
+				instance.exports.meshopt_simplifyWithAttributes,
+				indices32,
+				indices.length,
+				vertex_positions,
+				vertex_positions.length / vertex_positions_stride,
+				vertex_positions_stride * 4,
+				vertex_attributes,
+				vertex_attributes_stride * 4,
+				new Float32Array(attribute_weights),
+				vertex_lock ? new Uint8Array(vertex_lock) : null,
+				target_index_count,
+				target_error,
+				options,
+			);
+			result[0] = indices instanceof Uint32Array ? result[0] : new indices.constructor(result[0]);
 
 			return result;
 		},
 
-		getScale: function(vertex_positions, vertex_positions_stride) {
+		getScale: function (vertex_positions, vertex_positions_stride) {
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
 			assert(vertex_positions_stride >= 3);
-			return simplifyScale(instance.exports.meshopt_simplifyScale, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4);
+			return simplifyScale(
+				instance.exports.meshopt_simplifyScale,
+				vertex_positions,
+				vertex_positions.length / vertex_positions_stride,
+				vertex_positions_stride * 4,
+			);
 		},
 
-		simplifyPoints: function(vertex_positions, vertex_positions_stride, target_vertex_count, vertex_colors, vertex_colors_stride, color_weight) {
+		simplifyPoints: function (vertex_positions, vertex_positions_stride, target_vertex_count, vertex_colors, vertex_colors_stride, color_weight) {
 			assert(this.useExperimentalFeatures); // set useExperimentalFeatures to use this; note that this function is experimental and may change interface in a way that will require revising calling code
 			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
@@ -249,9 +335,27 @@ var MeshoptSimplifier = (function() {
 				assert(vertex_colors.length % vertex_colors_stride == 0);
 				assert(vertex_colors_stride >= 3);
 				assert(vertex_positions.length / vertex_positions_stride == vertex_colors.length / vertex_colors_stride);
-				return simplifyPoints(instance.exports.meshopt_simplifyPoints, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, vertex_colors, vertex_colors_stride * 4, color_weight, target_vertex_count);
+				return simplifyPoints(
+					instance.exports.meshopt_simplifyPoints,
+					vertex_positions,
+					vertex_positions.length / vertex_positions_stride,
+					vertex_positions_stride * 4,
+					vertex_colors,
+					vertex_colors_stride * 4,
+					color_weight,
+					target_vertex_count,
+				);
 			} else {
-				return simplifyPoints(instance.exports.meshopt_simplifyPoints, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4, undefined, 0, 0, target_vertex_count);
+				return simplifyPoints(
+					instance.exports.meshopt_simplifyPoints,
+					vertex_positions,
+					vertex_positions.length / vertex_positions_stride,
+					vertex_positions_stride * 4,
+					undefined,
+					0,
+					0,
+					target_vertex_count,
+				);
 			}
 		},
 	};
diff --git a/js/meshopt_simplifier.test.js b/js/meshopt_simplifier.test.js
index 570d294df8..a2a7e0bc5a 100644
--- a/js/meshopt_simplifier.test.js
+++ b/js/meshopt_simplifier.test.js
@@ -1,7 +1,7 @@
 var assert = require('assert').strict;
 var simplifier = require('./meshopt_simplifier.js');
 
-process.on('unhandledRejection', error => {
+process.on('unhandledRejection', (error) => {
 	console.log('unhandledRejection', error);
 	process.exit(1);
 });
@@ -9,22 +9,14 @@ process.on('unhandledRejection', error => {
 simplifier.useExperimentalFeatures = true;
 
 var tests = {
-	compactMesh: function() {
-		var indices = new Uint32Array([
-			0, 1, 3,
-			3, 1, 5,
-		]);
+	compactMesh: function () {
+		var indices = new Uint32Array([0, 1, 3, 3, 1, 5]);
 
-		var expected = new Uint32Array([
-			0, 1, 2,
-			2, 1, 3,
-		]);
+		var expected = new Uint32Array([0, 1, 2, 2, 1, 3]);
 
-		var missing = 2**32-1;
+		var missing = 2 ** 32 - 1;
 
-		var remap = new Uint32Array([
-			0, 1, missing, 2, missing, 3
-		]);
+		var remap = new Uint32Array([0, 1, missing, 2, missing, 3]);
 
 		var res = simplifier.compactMesh(indices);
 		assert.deepEqual(indices, expected);
@@ -32,112 +24,65 @@ var tests = {
 		assert.equal(res[1], 4); // unique
 	},
 
-	simplify: function() {
+	simplify: function () {
 		// 0
 		// 1 2
 		// 3 4 5
-		var indices = new Uint32Array([
-			0, 2, 1,
-			1, 2, 3,
-			3, 2, 4,
-			2, 5, 4,
-		]);
-
-		var positions = new Float32Array([
-			0, 4, 0,
-			0, 1, 0,
-			2, 2, 0,
-			0, 0, 0,
-			1, 0, 0,
-			4, 0, 0,
-		]);
+		var indices = new Uint32Array([0, 2, 1, 1, 2, 3, 3, 2, 4, 2, 5, 4]);
+
+		var positions = new Float32Array([0, 4, 0, 0, 1, 0, 2, 2, 0, 0, 0, 0, 1, 0, 0, 4, 0, 0]);
 
 		var res = simplifier.simplify(indices, positions, 3, /* target indices */ 3, /* target error */ 0.01);
 
-		var expected = new Uint32Array([
-			0, 5, 3,
-		]);
+		var expected = new Uint32Array([0, 5, 3]);
 
 		assert.deepEqual(res[0], expected);
 		assert.equal(res[1], 0); // error
 	},
 
-	simplify16: function() {
+	simplify16: function () {
 		// 0
 		// 1 2
 		// 3 4 5
-		var indices = new Uint16Array([
-			0, 2, 1,
-			1, 2, 3,
-			3, 2, 4,
-			2, 5, 4,
-		]);
-
-		var positions = new Float32Array([
-			0, 4, 0,
-			0, 1, 0,
-			2, 2, 0,
-			0, 0, 0,
-			1, 0, 0,
-			4, 0, 0,
-		]);
+		var indices = new Uint16Array([0, 2, 1, 1, 2, 3, 3, 2, 4, 2, 5, 4]);
+
+		var positions = new Float32Array([0, 4, 0, 0, 1, 0, 2, 2, 0, 0, 0, 0, 1, 0, 0, 4, 0, 0]);
 
 		var res = simplifier.simplify(indices, positions, 3, /* target indices */ 3, /* target error */ 0.01);
 
-		var expected = new Uint16Array([
-			0, 5, 3,
-		]);
+		var expected = new Uint16Array([0, 5, 3]);
 
 		assert.deepEqual(res[0], expected);
 		assert.equal(res[1], 0); // error
 	},
 
-	simplifyLockBorder: function() {
+	simplifyLockBorder: function () {
 		// 0
 		// 1 2
 		// 3 4 5
-		var indices = new Uint32Array([
-			0, 2, 1,
-			1, 2, 3,
-			3, 2, 4,
-			2, 5, 4,
-		]);
-
-		var positions = new Float32Array([
-			0, 2, 0,
-			0, 1, 0,
-			1, 1, 0,
-			0, 0, 0,
-			1, 0, 0,
-			2, 0, 0,
-		]);
-
-		var res = simplifier.simplify(indices, positions, 3, /* target indices */ 3, /* target error */ 0.01, ["LockBorder"]);
-
-		var expected = new Uint32Array([
-			0, 2, 1,
-			1, 2, 3,
-			3, 2, 4,
-			2, 5, 4,
-		]);
+		var indices = new Uint32Array([0, 2, 1, 1, 2, 3, 3, 2, 4, 2, 5, 4]);
+
+		var positions = new Float32Array([0, 2, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0]);
+
+		var res = simplifier.simplify(indices, positions, 3, /* target indices */ 3, /* target error */ 0.01, ['LockBorder']);
+
+		var expected = new Uint32Array([0, 2, 1, 1, 2, 3, 3, 2, 4, 2, 5, 4]);
 
 		assert.deepEqual(res[0], expected);
 		assert.equal(res[1], 0); // error
 	},
 
-	simplifyAttr: function() {
+	simplifyAttr: function () {
 		var vb_pos = new Float32Array(8 * 3 * 3);
 		var vb_att = new Float32Array(8 * 3 * 3);
 
-		for (var y = 0; y < 8; ++y)
-		{
+		for (var y = 0; y < 8; ++y) {
 			// first four rows are a blue gradient, next four rows are a yellow gradient
-			var r = (y < 4) ? 0.8 + y * 0.05 : 0;
-			var g = (y < 4) ? 0.8 + y * 0.05 : 0;
-			var b = (y < 4) ? 0 : 0.8 + (7 - y) * 0.05;
+			var r = y < 4 ? 0.8 + y * 0.05 : 0;
+			var g = y < 4 ? 0.8 + y * 0.05 : 0;
+			var b = y < 4 ? 0 : 0.8 + (7 - y) * 0.05;
 
-			for (var x = 0; x < 3; ++x)
-			{
+			for (var x = 0; x < 3; ++x) {
 				vb_pos[(y * 3 + x) * 3 + 0] = x;
 				vb_pos[(y * 3 + x) * 3 + 1] = y;
 				vb_pos[(y * 3 + x) * 3 + 2] = 0.03 * x;
@@ -149,10 +94,8 @@ var tests = {
 
 		var ib = new Uint32Array(7 * 2 * 6);
 
-		for (var y = 0; y < 7; ++y)
-		{
-			for (var x = 0; x < 2; ++x)
-			{
+		for (var y = 0; y < 7; ++y) {
+			for (var x = 0; x < 2; ++x) {
 				ib[(y * 2 + x) * 6 + 0] = (y + 0) * 3 + (x + 0);
 				ib[(y * 2 + x) * 6 + 1] = (y + 0) * 3 + (x + 1);
 				ib[(y * 2 + x) * 6 + 2] = (y + 1) * 3 + (x + 0);
@@ -166,38 +109,24 @@ var tests = {
 
 		var res = simplifier.simplifyWithAttributes(ib, vb_pos, 3, vb_att, 3, attr_weights, null, 6 * 3, 1e-2);
 
-		var expected = new Uint32Array([
-			0, 2, 9, 9, 2, 11,
-			9, 11, 12, 12, 11, 14,
-			12, 14, 21, 21, 14, 23,
-		]);
+		var expected = new Uint32Array([0, 2, 9, 9, 2, 11, 9, 11, 12, 12, 11, 14, 12, 14, 21, 21, 14, 23]);
 
 		assert.deepEqual(res[0], expected);
 	},
 
-	getScale: function() {
-		var positions = new Float32Array([
-			0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 3
-		]);
+	getScale: function () {
+		var positions = new Float32Array([0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 3]);
 
 		assert(simplifier.getScale(positions, 3) == 3.0);
 	},
 
-	simplifyPoints: function() {
-		var positions = new Float32Array([
-			0, 0, 0, 100, 0, 0, 100, 1, 1, 110, 0, 0,
-		]);
-		var colors = new Float32Array([
-			1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
-		]);
+	simplifyPoints: function () {
+		var positions = new Float32Array([0, 0, 0, 100, 0, 0, 100, 1, 1, 110, 0, 0]);
+		var colors = new Float32Array([1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0]);
 
-		var expected = new Uint32Array([
-			0, 1
-		]);
+		var expected = new Uint32Array([0, 1]);
 
-		var expectedC = new Uint32Array([
-			0, 2
-		]);
+		var expectedC = new Uint32Array([0, 2]);
 
 		var res = simplifier.simplifyPoints(positions, 3, 2);
 		assert.deepEqual(res, expected);
@@ -208,7 +137,7 @@ var tests = {
 
 		var resC2 = simplifier.simplifyPoints(positions, 3, 2, colors, 3, 1e-2);
 		assert.deepEqual(resC2, expected);
-	}
+	},
 };
 
 Promise.all([simplifier.ready]).then(() => {

From d601fd5b74c4f77cb8bc428bb1e921011029f4f1 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 22 Jul 2024 11:05:00 -0700
Subject: [PATCH 163/581] js: Expose encodeFilterExp mode as a separate named
 type

This matches other typings better and removes redundant line breaks
---
 js/meshopt_encoder.module.d.ts | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/js/meshopt_encoder.module.d.ts b/js/meshopt_encoder.module.d.ts
index f768ae17d0..fedb540356 100644
--- a/js/meshopt_encoder.module.d.ts
+++ b/js/meshopt_encoder.module.d.ts
@@ -1,5 +1,7 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+export type ExpMode = 'Separate' | 'SharedVector' | 'SharedComponent';
+
 export const MeshoptEncoder: {
 	supported: boolean;
 	ready: Promise<void>;
@@ -15,11 +17,5 @@ export const MeshoptEncoder: {
 
 	encodeFilterOct: (source: Float32Array, count: number, stride: number, bits: number) => Uint8Array;
 	encodeFilterQuat: (source: Float32Array, count: number, stride: number, bits: number) => Uint8Array;
-	encodeFilterExp: (
-		source: Float32Array,
-		count: number,
-		stride: number,
-		bits: number,
-		mode?: 'Separate' | 'SharedVector' | 'SharedComponent',
-	) => Uint8Array;
+	encodeFilterExp: (source: Float32Array, count: number, stride: number, bits: number, mode?: ExpMode) => Uint8Array;
 };

From ca65efe9df13e97465f94dc73dfba844960aff9c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 22 Jul 2024 11:05:24 -0700
Subject: [PATCH 164/581] js: Fix .module.js post-processing to account for
 both quote styles

This is necessary after Prettier integration as it currently uses single
quotes.
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index f7bf95f97b..7268862802 100644
--- a/Makefile
+++ b/Makefile
@@ -168,7 +168,7 @@ js/meshopt_simplifier.js: build/simplifier.wasm tools/wasmpack.py
 
 js/%.module.js: js/%.js
 	sed '\#// export!#q' <$< >$@
-	sed -i "/\"use strict\";/d" $@
+	sed -i "/use strict.;/d" $@
 	sed -i "s#// export! \(.*\)#export { \\1 };#" $@
 
 $(DEMO): $(DEMO_OBJECTS) $(LIBRARY)

From 72486be38027d1f96a991e5260c2a1578f671ab2 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 22 Jul 2024 15:14:32 -0700
Subject: [PATCH 165/581] demo: Update Babylon.JS demo to use local
 meshopt_decoder

Unfortunately we need to use a non-module version as Babylon.JS does not
support modules for this now.
---
 demo/demo.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/demo/demo.html b/demo/demo.html
index 7c871e74b9..da6a1ab6a2 100644
--- a/demo/demo.html
+++ b/demo/demo.html
@@ -29,7 +29,7 @@
 		<canvas id="renderCanvas"></canvas>
 		<script>
 			// Optional - by default Babylon.JS will use bundled decoder module
-			BABYLON.GLTF2.Loader.Extensions.EXT_meshopt_compression.DecoderPath = '../js/meshopt_decoder.module.js';
+			BABYLON.MeshoptCompression.Configuration.decoder.url = '../js/meshopt_decoder.js';
 
 			var canvas = document.getElementById('renderCanvas');
 

From 2660c958cfe8157bbc71f5240aca42dbf0c6b9ef Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 23 Jul 2024 12:16:55 -0700
Subject: [PATCH 166/581] Add -mcpu=mvp flag to Wasm builds for compatibility

Starting from clang 16, the default Wasm features used silently include
sign-extension which is not part of MVP and is not supported by some old
browsers/devices like iPhone 6. This currently only affects
meshopt_encoder module which is typically not used on device, but a
future C++ or a compiler code change could silently introduce these
instructions in a way that is difficult to test.

For now just disable this since it's not helpful for performance or code
size. We could revisit this in a few years, but clang's policy of
updating features seems irresponsible as it is not actually favoring
compatibility by default.

This change doesn't rebuild js/ binaries, that can happen separately.
---
 Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index 7268862802..5c62e88561 100644
--- a/Makefile
+++ b/Makefile
@@ -40,6 +40,7 @@ WASIROOT?=$(WASI_SDK)/share/wasi-sysroot
 
 WASM_FLAGS=--target=wasm32-wasi --sysroot=$(WASIROOT)
 WASM_FLAGS+=-O3 -DNDEBUG -nostartfiles -nostdlib -Wl,--no-entry -Wl,-s
+WASM_FLAGS+=-mcpu=mvp # make sure clang doesn't use post-MVP features like sign extension
 WASM_FLAGS+=-fno-slp-vectorize -fno-vectorize -fno-unroll-loops
 WASM_FLAGS+=-Wl,-z -Wl,stack-size=24576 -Wl,--initial-memory=65536
 WASM_EXPORT_PREFIX=-Wl,--export

From 30fe9fed38f963fb8bb9a255e8eb27fafc5b4746 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 24 Jul 2024 18:09:43 -0700
Subject: [PATCH 167/581] Add a comment with summary description of
 meshopt_Meshlet

We did not have a coherent explanation of how meshlet data is stored, so
this comment should hopefully make it clearer.

Also draw attention to meshopt_optimizeMeshlet from the comments for
meshopt_buildMeshlets just in case.
---
 src/meshoptimizer.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 76ce9d360e..97dfbb282d 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -471,6 +471,13 @@ struct meshopt_VertexFetchStatistics
  */
 MESHOPTIMIZER_API struct meshopt_VertexFetchStatistics meshopt_analyzeVertexFetch(const unsigned int* indices, size_t index_count, size_t vertex_count, size_t vertex_size);
 
+/**
+ * Meshlet is a small mesh cluster (subset) that consists of:
+ * - triangles, an 8-bit micro triangle (index) buffer, that for each triangle specifies three local vertices to use;
+ * - vertices, a 32-bit vertex indirection buffer, that for each local vertex specifies which mesh vertex to fetch vertex attributes from.
+ *
+ * For efficiency, meshlet triangles and vertices are packed into two large arrays; this structure contains offsets and counts to access the data.
+ */
 struct meshopt_Meshlet
 {
 	/* offsets within meshlet_vertices and meshlet_triangles arrays with meshlet data */
@@ -486,6 +493,7 @@ struct meshopt_Meshlet
  * Meshlet builder
  * Splits the mesh into a set of meshlets where each meshlet has a micro index buffer indexing into meshlet vertices that refer to the original vertex buffer
  * The resulting data can be used to render meshes using NVidia programmable mesh shading pipeline, or in other cluster-based renderers.
+ * When targeting mesh shading hardware, for maximum efficiency meshlets should be further optimized using meshopt_optimizeMeshlet.
  * When using buildMeshlets, vertex positions need to be provided to minimize the size of the resulting clusters.
  * When using buildMeshletsScan, for maximum efficiency the index buffer being converted has to be optimized for vertex cache first.
  *

From f76a3c7b19bb96d472b27c848452b7ef21fcc792 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 5 Aug 2024 15:33:28 -0700
Subject: [PATCH 168/581] Update CONTRIBUTING.md

Add a section to contributing guide regarding the agreement to distribute the code under the terms of MIT license and transfer various rights to the project maintainer.

Prior art (using the same language):

- https://github.com/baldurk/renderdoc/blob/v1.x/docs/CONTRIBUTING.md#copyright--contributor-license-agreement
- https://github.com/ocornut/imgui/blob/master/docs/CONTRIBUTING.md#copyright--contributor-license-agreement

This change naturally does not retroactively affect existing contributions (although GitHub terms of service already establishes this partially); the vast majority of the code is written by the project author anyway. There are no future plans to relicense the project or do anything else that affects the users of the project in any way. This change, however, sets the project up for consistent ownership and allows companies to sponsor development of the project via contracts without the code written as part of that being owned by the sponsor.
---
 CONTRIBUTING.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8d40ee7208..864284113a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -52,3 +52,9 @@ Changes to documentation are always welcome and should use issues/pull requests
 ## Sensitive communication
 
 If you prefer to not disclose the issues or information relevant to the issue such as reproduction case to the public, you can always contact the author via e-mail (arseny.kapoulkine@gmail.com).
+
+## Contributor agreement
+
+Any code you submit will become part of the repository and be distributed under the [meshoptimizer license](https://github.com/zeux/meshoptimizer/blob/master/LICENSE.md). By submitting code to the project you agree that the code is your work and that you can give it to the project.
+
+You also agree by submitting your code that you grant all transferrable rights to the code to the project maintainer, including for example re-licensing the code, modifying the code, and distributing it in source or binary forms. Specifically, this includes a requirement that you assign copyright to the project maintainer.

From 7cbdcc7c5abb0c21730a1d331c179a6c2ac11d6d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 8 Aug 2024 21:43:17 -0700
Subject: [PATCH 169/581] demo: Fix updateModule behavior with attribute
 simplification

useExperimentalFeatures was reset by the module reload code and
simplifyAttr would fail to run after an update.
---
 demo/simplify.html | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index 5987d1febe..7701cd5c2c 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -213,9 +213,9 @@
 			}
 
 			function simplify() {
-				MeshoptSimplifier.useExperimentalFeatures = true;
-
 				MeshoptSimplifier.ready.then(function () {
+					MeshoptSimplifier.useExperimentalFeatures = true;
+
 					scene.traverse(function (object) {
 						if (object.isMesh) {
 							simplifyMesh(object.geometry);

From 8652a14bb578832262811ee5ddc29bbe73c4042e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 12 Aug 2024 19:31:53 -0700
Subject: [PATCH 170/581] simplify: Fix area computation for
 quadricFromAttributes

In most places in meshoptimizer, area is a short-hand for "2x area" and
is used exclusively as a normalization factor so the extra 2x cancels
out. In attribute metric, it is used in a way that is user-visible and
affects the results as it changes the attribute weighting behavior.

We could probably compute the real area everywhere but for simplicity
let's just update this here as it is the only place where this
distinction matters.
---
 src/simplifier.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 34c4490a9c..44736d9b15 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -729,9 +729,11 @@ static void quadricFromAttributes(Quadric& Q, QuadricGrad* G, const Vector3& p0,
 	Vector3 p10 = {p1.x - p0.x, p1.y - p0.y, p1.z - p0.z};
 	Vector3 p20 = {p2.x - p0.x, p2.y - p0.y, p2.z - p0.z};
 
-	// weight is scaled linearly with edge length
+	// normal = cross(p1 - p0, p2 - p0)
 	Vector3 normal = {p10.y * p20.z - p10.z * p20.y, p10.z * p20.x - p10.x * p20.z, p10.x * p20.y - p10.y * p20.x};
-	float area = sqrtf(normal.x * normal.x + normal.y * normal.y + normal.z * normal.z);
+	float area = sqrtf(normal.x * normal.x + normal.y * normal.y + normal.z * normal.z) * 0.5f;
+
+	// weight is scaled linearly with edge length
 	float w = sqrtf(area); // TODO this needs more experimentation
 
 	// we compute gradients using barycentric coordinates; barycentric coordinates can be computed as follows:

From 56cadba9a570aad1f317f803d96dbaf0394315e6 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 12 Aug 2024 19:56:30 -0700
Subject: [PATCH 171/581] simplify: Add minor clarifications to
 quadricFromAttributes

Slightly expanding on comments for derivation; also note a missing
optimization wrt weight scaling - this is very immaterial for
performance (moving scaling outside of the loop does not make this
faster) or precision, so let's leave it as is.

Note: as part of this validation, in addition to revalidating the
derivation (which can be error prone), this code was also validated by
computing the gradients (gx/gy/gz/gw) using Eigen as a numerical solver.
To do this we can follow the original paper by Hoppe and solve a 4x4
linear system, or solve a 3x3 subproblem that only includes gx/gy/gz
and compute gw so that gx*v0x + vy*v0y + gz*v0w + gw = a0.

This produces more or less the same results during simplification which
proves that the derivation is correct; the analytical formulation this
code uses is much much faster, numerically stable and precise (yielding
~5-10x smaller error as measured by the linear system, as in |Ax-B|).

Since we probably won't need to adjust this in the future, this change
does not include the actual Eigen code used for validation.
---
 src/simplifier.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 44736d9b15..084fc02da3 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -741,6 +741,7 @@ static void quadricFromAttributes(Quadric& Q, QuadricGrad* G, const Vector3& p0,
 	// w = (d00 * d21 - d01 * d20) / denom
 	// u = 1 - v - w
 	// here v0, v1 are triangle edge vectors, v2 is a vector from point to triangle corner, and dij = dot(vi, vj)
+	// note: v2 and d20/d21 can not be evaluated here as v2 is effectively an unknown variable; we need these only as variables for derivation of gradients
 	const Vector3& v0 = p10;
 	const Vector3& v1 = p20;
 	float d00 = v0.x * v0.x + v0.y * v0.y + v0.z * v0.z;
@@ -750,7 +751,7 @@ static void quadricFromAttributes(Quadric& Q, QuadricGrad* G, const Vector3& p0,
 	float denomr = denom == 0 ? 0.f : 1.f / denom;
 
 	// precompute gradient factors
-	// these are derived by directly computing derivative of eval(pos) = a0 * u + a1 * v + a2 * w and factoring out common factors that are shared between attributes
+	// these are derived by directly computing derivative of eval(pos) = a0 * u + a1 * v + a2 * w and factoring out expressions that are shared between attributes
 	float gx1 = (d11 * v0.x - d01 * v1.x) * denomr;
 	float gx2 = (d00 * v1.x - d01 * v0.x) * denomr;
 	float gy1 = (d11 * v0.y - d01 * v1.y) * denomr;
@@ -775,6 +776,7 @@ static void quadricFromAttributes(Quadric& Q, QuadricGrad* G, const Vector3& p0,
 
 		// quadric encodes (eval(pos)-attr)^2; this means that the resulting expansion needs to compute, for example, pos.x * pos.y * K
 		// since quadrics already encode factors for pos.x * pos.y, we can accumulate almost everything in basic quadric fields
+		// note: for simplicity we scale all factors by weight here instead of outside the loop
 		Q.a00 += w * (gx * gx);
 		Q.a11 += w * (gy * gy);
 		Q.a22 += w * (gz * gz);

From 504f7b15db0b14c4c1db1c44ae040746b6732c7d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 13 Aug 2024 16:24:28 -0700
Subject: [PATCH 172/581] simplify: Share quadric evaluation between position &
 attribute quadrics

The math for evaluating the error is the same up until normalization /
gradient accumulation differences, and since this code is sensitive wrt
performance / precision, it's nice to share it. This should not have any
observable performance impact if the compiler makes reasonable inlining
decisions.
---
 src/simplifier.cpp | 29 ++++++++---------------------
 1 file changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 084fc02da3..4946a16927 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -598,7 +598,7 @@ static void quadricAdd(QuadricGrad* G, const QuadricGrad* R, size_t attribute_co
 	}
 }
 
-static float quadricError(const Quadric& Q, const Vector3& v)
+static float quadricEval(const Quadric& Q, const Vector3& v)
 {
 	float rx = Q.b0;
 	float ry = Q.b1;
@@ -621,6 +621,12 @@ static float quadricError(const Quadric& Q, const Vector3& v)
 	r += ry * v.y;
 	r += rz * v.z;
 
+	return r;
+}
+
+static float quadricError(const Quadric& Q, const Vector3& v)
+{
+	float r = quadricEval(Q, v);
 	float s = Q.w == 0.f ? 0.f : 1.f / Q.w;
 
 	return fabsf(r) * s;
@@ -628,26 +634,7 @@ static float quadricError(const Quadric& Q, const Vector3& v)
 
 static float quadricError(const Quadric& Q, const QuadricGrad* G, size_t attribute_count, const Vector3& v, const float* va)
 {
-	float rx = Q.b0;
-	float ry = Q.b1;
-	float rz = Q.b2;
-
-	rx += Q.a10 * v.y;
-	ry += Q.a21 * v.z;
-	rz += Q.a20 * v.x;
-
-	rx *= 2;
-	ry *= 2;
-	rz *= 2;
-
-	rx += Q.a00 * v.x;
-	ry += Q.a11 * v.y;
-	rz += Q.a22 * v.z;
-
-	float r = Q.c;
-	r += rx * v.x;
-	r += ry * v.y;
-	r += rz * v.z;
+	float r = quadricEval(Q, v);
 
 	// see quadricFromAttributes for general derivation; here we need to add the parts of (eval(pos) - attr)^2 that depend on attr
 	for (size_t k = 0; k < attribute_count; ++k)

From 777e5eaca4671c5e50fbff3ad6c311514d52d6b0 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 13 Aug 2024 17:33:18 -0700
Subject: [PATCH 173/581] simplify: Improve quadricError precision for
 attribute gradients

Instead of accumulating attribute gradients one sum component at a time,
we can compute the attribute change independently. This allows us to
remove one multiplication, which doesn't really save time in practice,
but more importantly this improves precision of accumulation as it
reduces the chance of cancellation; when tested on color+normal
attributes, we get ~1.5x reduction in floating point error, as measured
by comparing the result of quadricError with the same code using double
precision.
---
 src/simplifier.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 4946a16927..abcb122cf1 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -642,8 +642,7 @@ static float quadricError(const Quadric& Q, const QuadricGrad* G, size_t attribu
 		float a = va[k];
 		float g = v.x * G[k].gx + v.y * G[k].gy + v.z * G[k].gz + G[k].gw;
 
-		r += a * a * Q.w;
-		r -= 2 * a * g;
+		r += a * (a * Q.w - 2 * g);
 	}
 
 	// TODO: weight normalization is breaking attribute error somehow

From 9efadb015bb3c9dcd1201771405bb81c8bfb6908 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 14 Aug 2024 18:10:44 -0700
Subject: [PATCH 174/581] simplify: Switch attribute error to unnormalized area
 weighted quadrics

Before this change the attribute error used unnormalized edge length
weighted quadrics. The edge length carried over from position error
(where both edge length and area weighting work but edge length at some
point was judged to be slightly higher quality), and 'unnormalized' part
was considered a temporary limitation to be investigated.

With this change, we are officially removing normalization (with good
reason!) and switching to area weighting (with good reason!). In
aggregate this change alters the error and simplification behavior.

The reason why weight normalization is valuable for position quadrics is
it gives the error a particular meaning (a square of the distance
between vertices and surfaces) that is mostly preserved throughout
quadric accumulation. This leads to the intermediate and final collapse
errors being explainable and useful outside of the collapse ordering,
for example the result can be used to select optimal LOD switching
distance.

If applied to attribute quadrics, however, the attribute error becomes
the square of attribute deviation; this value has a limited utility in
isolation, and does not work at all when added to the position error
since the spaces are incompatible. Even if we looked at it in isolation,
measuring position deviation from surface is a measure of silhouette
deformation, whereas a significant attribute error on a very small
triangle is invisible and a small attribute error on a very large
triangle can noticeably affect the appearance.

The correct/ideal way to compute attribute error seems to be to measure
the attribute delta multiplied by the area/distance that this delta is
spread upon. Unfortunately, this does not seem to be representable in a
quadric (further research pending on alternatives) as it's a 4-degree
polynomial if we assume we need squared error * squared distance.

The reason why our previous code worked to some extent is that it scaled
the attribute error by a value that depended on the triangle size; while
this does not correctly work through quadric accumulation, this can
otherwise reasonably approximate the error... except that we used a
linear scale on top of a square of the attribute deviation, and
positional error is internally stored as quadratic, making these
incompatible.

This in turn led to inability to tune attribute weights in a
scale-invariant way or explain what they mean. With large weights, the
combined error was also basically useless for LOD selection, which in
some engines necessitated patching the simplification code to output
just distance based error for LOD selection, which has its own issues.

These issues mostly go away once we accept that unnormalized attribute
metric is a feature and lock the weight to be the triangle area (or
really any other quadratic quantity, eg we could take squared triangle
edge length along the direction of largest attribute deviation, but for
now we're using the area for simplicity).

With these, the attribute weights are easier to explain; a deviation of
1 in a weighted attribute along length L is perceptually equivalent to a
positional shift of length L. If an attribute is 0..1, a weight of 1 is
now reasonable because eg it suggests that a change from white to black
color is the same as just removing the geometry. Of course, smaller or
larger weights still make sense (for example to accentuate the change in
the attribute), and if the attribute is of non-unit scale it should be
counter-scaled via attribute weight as before.

This also fixes the relation between positional and attribute errors and
makes them meaningful to add, as attribute errors are (squared)
distances times attribute deviation. The combined error value is likely
directly usable for LOD selection whereas it was not before depending on
the selected weights.

The one remaning issue is that the metric we use only approximates our
ideal and the approximation breaks down after a series of quadric
accumulations during collapses, as we lose the sense of the aggregate
vertex movement. This might be possible to improve in the future.

This change significantly changes the meaning of attribute weights, but
mostly in a way that should be reasonably easy to adjust for:
applications that used very small (eg 1e-2) weights for unit attributes
should adjust them to be closer to 1; applications that already used
attributes around 1 for unit-length attributes can likely stay as is as
they will get a more balanced position vs attribute handling but can
choose to adjust the weights upwards.
---
 src/meshoptimizer.h |  1 -
 src/simplifier.cpp  | 12 ++++++------
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 97dfbb282d..24f905bd08 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -364,7 +364,6 @@ MESHOPTIMIZER_API size_t meshopt_simplify(unsigned int* destination, const unsig
  * attribute_weights should have attribute_count floats in total; the weights determine relative priority of attributes between each other and wrt position. The recommended weight range is [1e-3..1e-1], assuming attribute data is in [0..1] range.
  * attribute_count must be <= 32
  * vertex_lock can be NULL; when it's not NULL, it should have a value for each vertex; 1 denotes vertices that can't be moved
- * TODO target_error/result_error currently use combined distance+attribute error; this may change in the future
  */
 MESHOPTIMIZER_EXPERIMENTAL size_t meshopt_simplifyWithAttributes(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride, const float* vertex_attributes, size_t vertex_attributes_stride, const float* attribute_weights, size_t attribute_count, const unsigned char* vertex_lock, size_t target_index_count, float target_error, unsigned int options, float* result_error);
 
diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index abcb122cf1..a7264ff7cf 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -645,10 +645,8 @@ static float quadricError(const Quadric& Q, const QuadricGrad* G, size_t attribu
 		r += a * (a * Q.w - 2 * g);
 	}
 
-	// TODO: weight normalization is breaking attribute error somehow
-	float s = 1; // Q.w == 0.f ? 0.f : 1.f / Q.w;
-
-	return fabsf(r) * s;
+	// note: unlike position error, we do not normalize by Q.w to retain edge scaling as described in quadricFromAttributes
+	return fabsf(r);
 }
 
 static void quadricFromPlane(Quadric& Q, float a, float b, float c, float d, float w)
@@ -719,8 +717,10 @@ static void quadricFromAttributes(Quadric& Q, QuadricGrad* G, const Vector3& p0,
 	Vector3 normal = {p10.y * p20.z - p10.z * p20.y, p10.z * p20.x - p10.x * p20.z, p10.x * p20.y - p10.y * p20.x};
 	float area = sqrtf(normal.x * normal.x + normal.y * normal.y + normal.z * normal.z) * 0.5f;
 
-	// weight is scaled linearly with edge length
-	float w = sqrtf(area); // TODO this needs more experimentation
+	// quadric is weighted with the square of edge length (= area)
+	// this equalizes the units with the positional error (which, after normalization, is a square of distance)
+	// as a result, a change in weighted attribute of 1 along distance d is approximately equivalent to a change in position of d
+	float w = area;
 
 	// we compute gradients using barycentric coordinates; barycentric coordinates can be computed as follows:
 	// v = (d11 * d20 - d01 * d21) / denom

From 4c704ae139085aa8e11399bbcd738613638fd78f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 14 Aug 2024 18:42:07 -0700
Subject: [PATCH 175/581] demo: Update normal/color weights for new attribute
 metric

Following the changes in the attribute metric, weights for normalized
attributes should now be much closer to 1; for the demo we default to 1
for color and 0.5 for normals with a slightly wider slider tuning range.
---
 demo/simplify.html | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index 7701cd5c2c..c50396b75d 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -65,8 +65,8 @@
 				lockBorder: false,
 				useAttributes: false,
 				errorThresholdLog10: 1,
-				normalWeight: 0.01,
-				colorWeight: 0.01,
+				normalWeight: 0.5,
+				colorWeight: 1.0,
 
 				loadFile: function () {
 					var input = document.createElement('input');
@@ -96,8 +96,8 @@
 			guiSimplify.add(settings, 'lockBorder').onChange(simplify);
 			guiSimplify.add(settings, 'errorThresholdLog10', 0, 3, 0.1).onChange(simplify);
 			guiSimplify.add(settings, 'useAttributes').onChange(simplify);
-			guiSimplify.add(settings, 'normalWeight', 0, 0.1, 0.001).onChange(simplify);
-			guiSimplify.add(settings, 'colorWeight', 0, 0.1, 0.001).onChange(simplify);
+			guiSimplify.add(settings, 'normalWeight', 0, 2, 0.01).onChange(simplify);
+			guiSimplify.add(settings, 'colorWeight', 0, 2, 0.01).onChange(simplify);
 
 			var guiLoad = gui.addFolder('Load');
 			guiLoad.add(settings, 'loadFile');
@@ -175,7 +175,7 @@
 
 				console.timeEnd('simplify');
 
-				console.log('simplified to', res[0].length / 3);
+				console.log('simplified to', res[0].length / 3, 'with error', res[1]);
 
 				geo.index.array = res[0];
 				geo.index.count = res[0].length;

From 68bba7eac8ba1d29c64205fd7c9d52cebb3cae39 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 14 Aug 2024 19:04:39 -0700
Subject: [PATCH 176/581] demo: Adjust simplifySparse tests to account for
 attribute metric

0.2 is no longer enough as we switched to area weighted quadrics.

Also update simplifyAttr to use weight 0.5; this is less critical as we
don't save the results but is more consistent with the expected usage.
---
 demo/main.cpp  | 2 +-
 demo/tests.cpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 6f956fe47d..96082a08d6 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -474,7 +474,7 @@ void simplifyAttr(const Mesh& mesh, float threshold = 0.2f)
 	float target_error = 1e-2f;
 	float result_error = 0;
 
-	const float nrm_weight = 0.01f;
+	const float nrm_weight = 0.5f;
 	const float attr_weights[3] = {nrm_weight, nrm_weight, nrm_weight};
 
 	lod.indices.resize(mesh.indices.size()); // note: simplify needs space for index_count elements in the destination array, not target_index_count
diff --git a/demo/tests.cpp b/demo/tests.cpp
index c24e25efaf..995b032bb7 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1260,7 +1260,7 @@ static void simplifySparse()
 	};
 
 	float aw[] = {
-	    0.2f};
+	    0.5f};
 
 	unsigned char lock[9] = {
 	    8, 1, 8,

From b2a72bd66dc83dc882145f6513ecf3703160b739 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 14 Aug 2024 19:20:20 -0700
Subject: [PATCH 177/581] Update README.md

Add documentation for meshopt_simplify options, meshopt_simplifyWithAttributes,
vertex_lock as well as guidance for multi-material simplification, which
mostly covers the commonly asked questions around simplification.

For now this avoids giving precise guidance on the attribute weights as
it remains use case dependent, although we could probably recommend
values in [0.1, 10] range as a reasonable default for any unit-scale
attribute.
---
 README.md | 34 +++++++++++++++++++++++++++++++---
 1 file changed, 31 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 0c65c247b7..a28b6c0e4e 100644
--- a/README.md
+++ b/README.md
@@ -255,18 +255,17 @@ All algorithms presented so far don't affect visual appearance at all, with the
 
 This library provides two simplification algorithms that reduce the number of triangles in the mesh. Given a vertex and an index buffer, they generate a second index buffer that uses existing vertices in the vertex buffer. This index buffer can be used directly for rendering with the original vertex buffer (preferably after vertex cache optimization), or a new compact vertex/index buffer can be generated using `meshopt_optimizeVertexFetch` that uses the optimal number and order of vertices.
 
-The first simplification algorithm, `meshopt_simplify`, follows the topology of the original mesh in an attempt to preserve attribute seams, borders and overall appearance. For meshes with inconsistent topology or many seams, such as faceted meshes, it can result in simplifier getting "stuck" and not being able to simplify the mesh fully. Therefore it's critical that identical vertices are "welded" together, that is, the input vertex buffer does not contain duplicates. Additionally, it may be possible to preprocess the index buffer (e.g. with `meshopt_generateShadowIndexBuffer`) to discard any vertex attributes that aren't critical and can be rebuilt later.
+The first simplification algorithm, `meshopt_simplify`, follows the topology of the original mesh in an attempt to preserve attribute seams, borders and overall appearance. For meshes with inconsistent topology or many seams, such as faceted meshes, it can result in simplifier getting "stuck" and not being able to simplify the mesh fully. Therefore it's critical that identical vertices are "welded" together, that is, the input vertex buffer does not contain duplicates. Additionally, it may be possible to preprocess the index buffer (e.g. with `meshopt_generateShadowIndexBuffer`) to weld the vertices without taking into account vertex attributes that aren't critical and can be rebuilt later.
 
 ```c++
 float threshold = 0.2f;
 size_t target_index_count = size_t(index_count * threshold);
 float target_error = 1e-2f;
-unsigned int options = 0; // meshopt_SimplifyX flags, 0 is a safe default
 
 std::vector<unsigned int> lod(index_count);
 float lod_error = 0.f;
 lod.resize(meshopt_simplify(&lod[0], indices, index_count, &vertices[0].x, vertex_count, sizeof(Vertex),
-    target_index_count, target_error, options, &lod_error));
+    target_index_count, target_error, /* options= */ 0, &lod_error));
 ```
 
 Target error is an approximate measure of the deviation from the original mesh using distance normalized to `[0..1]` range (e.g. `1e-2f` means that simplifier will try to maintain the error to be below 1% of the mesh extents). Note that the simplifier attempts to produce the requested number of indices at minimal error, but because of topological restrictions and error limit it is not guaranteed to reach the target index count and can stop earlier.
@@ -290,6 +289,35 @@ When a sequence of LOD meshes is generated that all use the original vertex buff
 
 Both algorithms can also return the resulting normalized deviation that can be used to choose the correct level of detail based on screen size or solid angle; the error can be converted to world space by multiplying by the scaling factor returned by `meshopt_simplifyScale`.
 
+## Advanced simplification
+
+The main simplification algorithm, `meshopt_simplify`, exposes additional options and functions that can be used to control the simplification process in more detail.
+
+For basic customization, a number of options can be passed via `options` bitmask that adjust the behavior of the simplifier:
+
+- `meshopt_SimplifyLockBorder` restricts the simplifier from collapsing edges that are on the border of the mesh. This can be useful for simplifying mesh subsets independently, so that the LODs can be combined without introducing cracks.
+- `meshopt_SimplifyErrorAbsolute` changes the error metric from relative to absolute both for the input error limit as well as for the resulting error. This can be used instead of `meshopt_simplifyScale`.
+- `meshopt_SimplifySparse` improves simplification performance assuming input indices are a sparse subset of the mesh. This can be useful when simplifying small mesh subsets independently, and is intended to be used for meshlet simplification. For consistency, it is recommended to use absolute errors when sparse simplification is desired, as this flag changes the meaning of the relative errors.
+
+While `meshopt_simplify` is aware of attribute discontinuities by default (and infers them through the supplied index buffer) and tries to preserve them, it can be useful to provide information about attribute values. This allows the simplifier to take attribute error into account which can improve shading (by using vertex normals), texture deformation (by using texture coordinates), and may be necessary to preserve vertex colors when textures are not used in the first place. This can be done by using a variant of the simplification function that takes attribute values and weight factors, `meshopt_simplifyWithAttributes`:
+
+```c++
+const float nrm_weight = 0.5f;
+const float attr_weights[3] = {nrm_weight, nrm_weight, nrm_weight};
+
+std::vector<unsigned int> lod(index_count);
+float lod_error = 0.f;
+lod.resize(meshopt_simplifyWithAttributes(&lod[0], indices, index_count, &vertices[0].x, vertex_count, sizeof(Vertex),
+    &vertices[0].nx, sizeof(Vertex), attr_weights, 3, /* vertex_lock= */ NULL,
+    target_index_count, target_error, /* options= */ 0, &lod_error));
+```
+
+The attributes are passed as a separate buffer (in the example above it's a subset of the same vertex buffer) and should be stored as consecutive floats; attribute weights are used to control the importance of each attribute in the simplification process.
+
+When using `meshopt_simplifyWithAttributes`, it is also possible to lock certain vertices by providing a `vertex_lock` array that contains a boolean value for each vertex in the mesh. This can be useful to preserve certain vertices, such as the boundary of the mesh, with more control than `meshopt_SimplifyLockBorder` option provides.
+
+Simplification currently assumes that the input mesh is using the same material for all triangles. If the mesh uses multiple materials, it is possible to split the mesh into subsets based on the material and simplify each subset independently, using `meshopt_SimplifyLockBorder` or `vertex_lock` to preserve material boundaries; however, this limits the collapses and as a result may reduce the resulting quality. An alternative approach is to encode information about the material into the vertex buffer, ensuring that all three vertices referencing the same triangle have the same material ID; this may require duplicating vertices on the boundary between materials. After this, simplification can be performed as usual, and after simplification per-triangle material information can be computed from the vertex material IDs. There is no need to inform the simplifier of the value of the material ID: the implicit boundaries created by duplicating vertices with conflicting material IDs will be preserved automatically.
+
 ## Mesh shading
 
 Modern GPUs are beginning to deviate from the traditional rasterization model. NVidia GPUs starting from Turing and AMD GPUs starting from RDNA2 provide a new programmable geometry pipeline that, instead of being built around index buffers and vertex shaders, is built around mesh shaders - a new shader type that allows to provide a batch of work to the rasterizer.

From 77aaa4a03cd27a6164ccc8e490ab41a11f9427a3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 15 Aug 2024 15:00:17 -0700
Subject: [PATCH 178/581] js: Update meshopt_simplifier Wasm binaries

This is necessary to align the attribute metric behavior following the
weighting change.
---
 js/meshopt_simplifier.js        | 2 +-
 js/meshopt_simplifier.module.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index adff2574d1..e1c7abceb7 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -5,7 +5,7 @@ var MeshoptSimplifier = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
-		'b9H79Tebbbe9Hk9Geueu9Geub9Gbb9Gsuuuuuuuuuuuu99uueu9Gvuuuuub9Gvuuuuue999Gquuuuuuu99uueu9Gwuuuuuu99ueu9Giuuue999Gluuuueu9GiuuueuizsdilvoirwDbqqbeqlve9Weiiviebeoweuecj;jekr:Tewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bbz9TW79O9V9Wt9F79P9T9W29P9M95bl8E9TW79O9V9Wt9F79P9T9W29P9M959x9Pt9OcttV9P9I91tW7bvQ9TW79O9V9Wt9F79P9T9W29P9M959q9V9P9Ut7boX9TW79O9V9Wt9F79P9T9W29P9M959t9J9H2Wbra9TW79O9V9Wt9F9V9Wt9P9T9P96W9wWVtW94SWt9J9O9sW9T9H9Wbwl79IV9RbDDwebcekdmxq;Q97sdbk:C9ti8Au8A99zu8Jjjjjbc;W;ab9Rgs8Kjjjjbcbhzascxfcbc;Kbz:ljjjb8AdnabaeSmbabaeadcdtz:kjjjb8AkdndnamcdGmbcbhHxekasalcrfci4gecbyd;S1jjbHjjjjbbgOBdxasceBd2aOcbaez:ljjjbhAcbhlcbhednadTmbcbhlabheadhOinaAaeydbgCci4fgXaXRbbgXceaCcrGgCtV86bbaXcu7aC4ceGalfhlaeclfheaOcufgOmbkcualcdtalcFFFFi0Ehekasaecbyd;S1jjbHjjjjbbgHBdzascdBd2alcd4alfhCcehOinaOgecethOaeaC6mbkcdhzcbhQascuaecdtgOaecFFFFi0Ecbyd;S1jjbHjjjjbbgCBdCasciBd2aCcFeaOz:ljjjbhLdnadTmbaecufhXcbhKinabaQcdtfgYydbgAc:v;t;h;Ev2hCcbhedndninaLaCaXGgCcdtfg8AydbgOcuSmeaHaOcdtfydbaASmdaecefgeaCfhCaeaX9nmbxdkkaHaKcdtfaABdba8AaKBdbaKhOaKcefhKkaYaOBdbaQcefgQad9hmbkkaLcbyd;O1jjbH:bjjjbbascdBd2kascxfazcdtfcualcefgecdtaecFFFFi0Ecbyd;S1jjbHjjjjbbgEBdbasaEBdlasazceVgeBd2ascxfaecdtfcuadcitadcFFFFe0Ecbyd;S1jjbHjjjjbbg3Bdbasa3BdwasazcdfgeBd2asclfabadalcbz:cjjjbascxfaecdtfcualcdtg5alcFFFFi0Eg8Ecbyd;S1jjbHjjjjbbgOBdbasazcifgeBd2ascxfaecdtfa8Ecbyd;S1jjbHjjjjbbg8FBdbasazclVgaBd2alcd4alfhXcehCinaCgecethCaeaX6mbkcbhKascxfaacdtfghcuaecdtgCaecFFFFi0Ecbyd;S1jjbHjjjjbbgXBdbasazcvVggBd2aXcFeaCz:ljjjbhQdnalTmbavcd4hAaecufhCinaKhednaHTmbaHaKcdtfydbhekaiaeaA2cdtfgeydlgXcH4aX7c:F:b:DD2aeydbgXcH4aX7c;D;O:B8J27aeydwgecH4ae7c:3F;N8N27aCGheaKcdth8JdndndndndnaHTmbaHa8JfhYcbhXinaQaecdtfgLydbg8AcuSmlaiaHa8AcdtfydbaA2cdtfaiaYydbaA2cdtfcxz:ojjjbTmiaXcefgXaefaCGheaXaC9nmbxdkkaiaKaA2cdtfhYcbhXinaQaecdtfgLydbg8AcuSmiaia8AaA2cdtfaYcxz:ojjjbTmdaXcefgXaefaCGheaXaC9nmbkkcbhLkaLydbgecu9hmekaLaKBdbaKhekaOa8JfaeBdbaKcefgKal9hmbkcbhea8FhCinaCaeBdbaCclfhCalaecefge9hmbkcbheaOhCa8FhXindnaeaCydbgASmbaXa8FaAcdtfgAydbBdbaAaeBdbkaCclfhCaXclfhXalaecefge9hmbkkcbh8KaQcbyd;O1jjbH:bjjjbbasaaBd2ahalcbyd;S1jjbHjjjjbbgABdbasagBd2ascxfagcdtfa8Ecbyd;S1jjbHjjjjbbgeBdbasazcofgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbgCBdbasazcrfg8LBd2aecFea5z:ljjjbh8MaCcFea5z: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;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgEBdbasazcwVg8JBd2aEaialavaHz:djjjbh8PdndnaDmbcbhvcbh3xekcbh3awhecbhCindnaeIdbJbbbb9ETmbasc;Wbfa3cdtfaCBdba3cefh3kaeclfheaDaCcefgC9hmbkascxfa8Jcdtfcua3al2gecdtaecFFFFi0Ecbyd;S1jjbHjjjjbbgvBdbasazcDVg8JBd2alTmba3Tmbarcd4hKdnaHTmba3cdthicbhQavhYinaoaHaQcdtfydbaK2cdtfhLasc;WbfheaYhCa3hXinaCaLaeydbcdtg8AfIdbawa8AfIdbNUdbaeclfheaCclfhCaXcufgXmbkaYaifhYaQcefgQal9hmbxdkka3cdthicbhQavhYinaoaQaK2cdtfhLasc;WbfheaYhCa3hXinaCaLaeydbcdtg8AfIdbawa8AfIdbNUdbaeclfheaCclfhCaXcufgXmbkaYaifhYaQcefgQal9hmbkkascxfa8Jcdtfcualc8S2gealc;D;O;f8U0EgXcbyd;S1jjbHjjjjbbgCBdbasa8Jcefg8ABd2aCcbaez:ljjjbh8Kdndndna3Tmbascxfa8AcdtfaXcbyd;S1jjbHjjjjbbgqBdbasa8JcdfgCBd2aqcbaez:ljjjb8AascxfaCcdtfcua3al2gecltgCaecFFFFb0Ecbyd;S1jjbHjjjjbbgzBdbasa8JcifBd2azcbaCz:ljjjb8AadmexdkcbhqcbhzadTmekcbhLabhCindnaEaCclfydbgQcx2fgeIdbaEaCydbgYcx2fgXIdbgI:tg8RaEaCcwfydbgKcx2fg8AIdlaXIdlg8S:tgRNa8AIdbaI:tg8UaeIdla8S:tg8VN:tg8Wa8WNa8Va8AIdwaXIdwg8X:tg8YNaRaeIdwa8X:tg8VN:tgRaRNa8Va8UNa8Ya8RN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOaYcdtfydbc8S2fgeaRa8U:rg8UaRNNg8VaeIdbMUdbaea8Ra8Ua8RNg8ZNg8YaeIdlMUdlaea8Wa8Ua8WNg80Ng81aeIdwMUdwaea8ZaRNg8ZaeIdxMUdxaea80aRNgBaeIdzMUdzaea80a8RNg80aeIdCMUdCaeaRa8Ua8Wa8XNaRaINa8Sa8RNMM:mg8SNgINgRaeIdKMUdKaea8RaINg8RaeId3MUd3aea8WaINg8WaeIdaMUdaaeaIa8SNgIaeId8KMUd8Kaea8UaeIdyMUdya8KaOaQcdtfydbc8S2fgea8VaeIdbMUdbaea8YaeIdlMUdlaea81aeIdwMUdwaea8ZaeIdxMUdxaeaBaeIdzMUdzaea80aeIdCMUdCaeaRaeIdKMUdKaea8RaeId3MUd3aea8WaeIdaMUdaaeaIaeId8KMUd8Kaea8UaeIdyMUdya8KaOaKcdtfydbc8S2fgea8VaeIdbMUdbaea8YaeIdlMUdlaea81aeIdwMUdwaea8ZaeIdxMUdxaeaBaeIdzMUdzaea80aeIdCMUdCaeaRaeIdKMUdKaea8RaeId3MUd3aea8WaeIdaMUdaaeaIaeId8KMUd8Kaea8UaeIdyMUdyaCcxfhCaLcifgLad6mbkcbh8JabhYinaba8JcdtfhQcbhCinaAaQaCcj1jjbfydbcdtfydbgXfRbbhedndnaAaYaCfydbg8AfRbbgLc99fcFeGcpe0mbaeceSmbaecd9hmekdnaLcufcFeGce0mba8Ma8AcdtfydbaX9hmekdnaecufcFeGce0mba8NaXcdtfyd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Uh9ka9hce4h0asydwh9mcbhacbh5dninahaoa5cdtfydbcx2fg8JIdwg8RaB9Emeaaa9h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaaa9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgKcwfhyaKclfh8EaEa9rcx2fgwcwfhmawclfhrcbhCcehYdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNawIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7he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// embed! wasm
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6aXcO9Uh9ka9hce4h0asydwh9mcbhacbh5dninahaoa5cdtfydbcx2fg8JIdwg8RaB9Emeaaa9h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaaa9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgKcwfhyaKclfh8EaEa9rcx2fgwcwfhrawclfh9tcbhCcehYdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRa9tIdbaXIdlg8U:tg8XNawIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RarIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnamcjjjjlGTmbadTmbaHmbcbhLabheinaAaeydbgXfRbbc3thQaecwfgYydbhOdndna8MaXcdtgifydbaeclfgKydbgCSmbcbh8Aa8NaCcdtfydbaX9hmekcjjjj94h8AkaeaQa8AVaXVBdbaAaCfRbbc3thQdndna8MaCcdtfydbaOSmbcbh8Aa8NaOcdtfydbaC9hmekcjjjj94h8AkaKaQa8AVaCVBdbaAaOfRbbc3th8Adndna8MaOcdtfydbaXSmbcbhCa8NaifydbaO9hmekcjjjj94hCkaYa8AaCVaOVBdbaecxfheaLcifgLad6mbkkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHj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// embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index df9ecec1d4..95e8ed2523 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -4,7 +4,7 @@ var MeshoptSimplifier = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
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ba8A9hmekdnaLcv2aefc:q1jjbfRbbTmbaOaXcdtfydbaOa8Acdtfydb0mekdnaEaXcx2fgKIdwaEa8Acx2fgiIdwg8S:tgRaRNaKIdbaiIdbg8X:tg8Ra8RNaKIdlaiIdlg8V:tg8Ua8UNMM:rgIJbbbb9ETmbaRaI:vhRa8UaI:vh8Ua8RaI:vh8RkJbbacJbbacJbbjZaeceSEaLceSEh80dnaEaQaCc:e1jjbfydbcdtfydbcx2fgeIdwa8S:tg8WaRa8WaRNaeIdba8X:tg81a8RNa8UaeIdla8V:tg8ZNMMg8YN:tg8Wa8WNa81a8Ra8YN:tgRaRNa8Za8Ua8YN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOa8Acdtfydbc8S2fgeaRa80aINg8UaRNNg8YaeIdbMUdbaea8Ra8Ua8RNg80Ng81aeIdlMUdlaea8Wa8Ua8WNgINg8ZaeIdwMUdwaea80aRNg80aeIdxMUdxaeaIaRNgBaeIdzMUdzaeaIa8RNg83aeIdCMUdCaeaRa8Ua8Wa8SNaRa8XNa8Va8RNMM:mg8SNgINgRaeIdKMUdKaea8RaINg8RaeId3MUd3aea8WaINg8WaeIdaMUdaaeaIa8SNgIaeId8KMUd8Kaea8UaeIdyMUdya8KaOaXcdtfydbc8S2fgea8YaeIdbMUdbaea81aeIdlMUdlaea8ZaeIdwMUdwaea80aeIdxMUdxaeaBaeIdzMUdzaea83aeIdCMUdCaeaRaeIdKMUdKaea8RaeId3MUd3aea8WaeIdaMUdaaeaIaeId8KMUd8Kaea8UaeIdyMUdykaCclfgCcx9hmbkaYcxfhYa8Jcifg8Jad6mbka3TmbcbhYinJbbbbh8XaEabaYcdtfgeclfydbgKcx2fgCIdwaEaeydbgicx2fgXIdwg8Z:tg8Ra8RNaCIdbaXIdbgB:tg8Wa8WNaCIdlaXIdlg83:tg8Ua8UNMMg80aEaecwfydbg8Jcx2fgeIdwa8Z:tgINa8Ra8RaINa8WaeIdbaB:tg8SNa8UaeIdla83:tg8VNMMgRN:tJbbbbJbbjZa80aIaINa8Sa8SNa8Va8VNMMg81NaRaRN:tg8Y:va8YJbbbb9BEg8YNhUa81a8RNaIaRN:ta8YNh85a80a8VNa8UaRN:ta8YNh86a81a8UNa8VaRN:ta8YNh87a80a8SNa8WaRN:ta8YNh88a81a8WNa8SaRN:ta8YNh89a8Wa8VNa8Sa8UN:tgRaRNa8UaINa8Va8RN:tgRaRNa8Ra8SNaIa8WN:tgRaRNMM:r:rhRavaia32cdtfhCava8Ja32cdtfhXavaKa32cdtfh8Aa8Z:mh8:a83:mhZaB:mhncbhLa3hQJbbbbh8VJbbbbh8YJbbbbh80Jbbbbh81Jbbbbh8ZJbbbbhBJbbbbh83JbbbbhcJbbbbh9cinasc;WbfaLfgecwfaRa85a8AIdbaCIdbgI:tg8UNaUaXIdbaI:tg8SNMg8RNUdbaeclfaRa87a8UNa86a8SNMg8WNUdbaeaRa89a8UNa88a8SNMg8UNUdbaecxfaRa8: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;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkazaKa32cltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8Ambkazaia32cltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkaYcifgYad6mbkkasydlhJcbhednalTmbaJclfheaJydbh8AaAhCalhLcbhXincbaeydbgQa8A9RaCRbbcpeGEaXfhXaCcefhCaeclfheaQh8AaLcufgLmbkaXce4hekcuadae9Rcifg8Lcx2a8Lc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhhascxfasyd2gecdtfahBdbasaecefgCBd2ascxfaCcdtfcua8Lcdta8LcFFFFi0Ecbyd;S1jjbHjjjjbbgoBdbasaecdfgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbggBdbasaecifgCBd2ascxfaCcdtfalcbyd;S1jjbHjjjjbbg9eBdbasaeclfBd2a8PJbbjZamclGEhcJbbbbh83dnadak9nmbdna8Lci6mbaxaxNacacN:vhBa3clthTahcwfhSJbbbbh83inasclfabadgDalaOz:cjjjbabhicbhdcbhyinabaycdtfh8JcbheindnaOaiaefydbgXcdtgKfydbg8AaOa8Jaec:S1jjbfydbcdtfydbgCcdtfydbgLSmbaAaCfRbbgYcv2aAaXfRbbgQfc;a1jjbfRbbgwaQcv2aYfg5c;a1jjbfRbbgaVcFeGTmbdnaLa8A9nmba5c:q1jjbfRbbcFeGmekdnaQaY9hmbaQcufcFeGce0mba8MaKfydbaC9hmekahadcx2fg8AaCaXaacFeGgLEBdla8AaXaCaLEBdba8AaLawGcb9hBdwadcefhdkaeclfgecx9hmbkdnaycifgyaD9pmbaicxfhiadcifa8L9nmekkdnadmbaDhdxikcbhYinJbbbbJbbjZa8KaOahaYcx2fg8AydlgLa8AydbgQa8AydwgCEgicdtfydbgwc8S2gafgeIdygR:vaRJbbbb9BEaeIdwaEaQaLaCEgKcx2fgCIdwg8UNaeIdzaCIdbgINaeIdaMgRaRMMa8UNaeIdlaCIdlg8SNaeIdCa8UNaeId3MgRaRMMa8SNaeIdbaINaeIdxa8SNaeIdKMgRaRMMaINaeId8KMMM:lNh80JbbbbJbbjZa8KaOaQcdtfydbgyc8S2gXfgeIdygR:vaRJbbbb9BEaeIdwaEaLcx2fgCIdwg8WNaeIdzaCIdbg8XNaeIdaMgRaRMMa8WNaeIdlaCIdlg8VNaeIdCa8WNaeId3MgRaRMMa8VNaeIdba8XNaeIdxa8VNaeIdKMgRaRMMa8XNaeId8KMMM:lNh81a8Acwfh8Ja8Aclfh5dna3TmbaqaXfgXIdwa8WNaXIdza8XNaXIdaMgRaRMMa8WNaXIdla8VNaXIdCa8WNaXId3MgRaRMMa8VNaXIdba8XNaXIdxa8VNaXIdKMgRaRMMa8XNaXId8KMMMh8RavaLa32cdtfhCazaya32cltfheaXIdyh8Ya3hXinaCIdbgRJbbb;aNaecxfIdba8WaecwfIdbNa8XaeIdbNa8VaeclfIdbNMMMNaRaRNa8YNa8RMMh8RaCclfhCaeczfheaXcufgXmbkaqaafgXIdwa8UNaXIdzaINaXIdaMgRaRMMa8UNaXIdla8SNaXIdCa8UNaXId3MgRaRMMa8SNaXIdbaINaXIdxa8SNaXIdKMgRaRMMaINaXId8KMMMh8WavaKa32cdtfhCazawa32cltfheaXIdyh8Xa3hXinaCIdbgRJbbb;aNaecxfIdba8UaecwfIdbNaIaeIdbNa8SaeclfIdbNMMMNaRaRNa8XNa8WMMh8WaCclfhCaeczfheaXcufgXmbka80a8W:lMh80a81a8R:lMh81ka5aLaKa81a809FgeEBdba8AaQaiaeEBdba8Ja81a80aeEUdbaYcefgYad9hmbkasc;Wbfcbcj;abz:ljjjb8AaSheadhCinasc;WbfaeydbcO4c;8ZGfgXaXydbcefBdbaecxfheaCcufgCmbkcbhecbhCinasc;WbfaefgXydbh8AaXaCBdba8AaCfhCaeclfgecj;ab9hmbkcbheaShCinasc;WbfaCydbcO4c;8ZGfgXaXydbgXcefBdbaoaXcdtfaeBdbaCcxfhCadaecefge9hmbkaDak9RgXci9Uh9hdnalTmbcbheaghCinaCaeBdbaCclfhCalaecefge9hmbkkcbh9ia9ecbalz:ljjjbh6aXcO9Uh9ka9hce4h0asydwh9mcbhacbh5dninahaoa5cdtfydbcx2fg8JIdwg8RaB9Emeaaa9h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaaa9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgKcwfhyaKclfh8EaEa9rcx2fgwcwfhmawclfhrcbhCcehYdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRarIdbaXIdlg8U:tg8XNawIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RamIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7he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// embed! wasm
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6aXcO9Uh9ka9hce4h0asydwh9mcbhacbh5dninahaoa5cdtfydbcx2fg8JIdwg8RaB9Emeaaa9h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaaa9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgKcwfhyaKclfh8EaEa9rcx2fgwcwfhrawclfh9tcbhCcehYdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRa9tIdbaXIdlg8U:tg8XNawIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RarIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8:N9FmdkaecwfheaCcefgCaQ6hYaQaC9hmbkkaYceGTmba0cefh0xeka8Ka8Ac8S2gXfgea8Ka9rc8S2gLfgCIdbaeIdbMUdbaeaCIdlaeIdlMUdlaeaCIdwaeIdwMUdwaeaCIdxaeIdxMUdxaeaCIdzaeIdzMUdzaeaCIdCaeIdCMUdCaeaCIdKaeIdKMUdKaeaCId3aeId3MUd3aeaCIdaaeIdaMUdaaeaCId8KaeId8KMUd8KaeaCIdyaeIdyMUdydna3TmbaqaXfgeaqaLfgCIdbaeIdbMUdbaeaCIdlaeIdlMUdlaeaCIdwaeIdwMUdwaeaCIdxaeIdxMUdxaeaCIdzaeIdzMUdzaeaCIdCaeIdCMUdCaeaCIdKaeIdKMUdKaeaCId3aeId3MUd3aeaCIdaaeIdaMUdaaeaCId8KaeId8KMUd8KaeaCIdyaeIdyMUdyaTa9r2hYaTa8A2hKazhCa3hLinaCaKfgeaCaYfgXIdbaeIdbMUdbaeclfgQaXclfIdbaQIdbMUdbaecwfgQaXcwfIdbaQIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCaLcufgLmbkka8JcwfhCdndndndnaAaifgXRbbc9: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:cjjjbkdnamcjjjjlGTmbadTmbaHmbcbhLabheinaAaeydbgXfRbbc3thQaecwfgYydbhOdndna8MaXcdtgifydbaeclfgKydbgCSmbcbh8Aa8NaCcdtfydbaX9hmekcjjjj94h8AkaeaQa8AVaXVBdbaAaCfRbbc3thQdndna8MaCcdtfydbaOSmbcbh8Aa8NaOcdtfydbaC9hmekcjjjj94h8AkaKaQa8AVaCVBdbaAaOfRbbc3th8Adndna8MaOcdtfydbaXSmbcbhCa8NaifydbaO9hmekcjjjj94hCkaYa8AaCVaOVBdbaecxfheaLcifgLad6mbkkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHj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// embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,

From 4d4b687d21c7341f3cf8eb4c2634f996becdd6f7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 17 Aug 2024 18:21:52 -0700
Subject: [PATCH 179/581] Update README.md

Deprioritize vcpkg instructions by just clarifying that vcpkg is an
install source. This is not a primary installation source, and it is
still using version 0.20, so there's no reason to elevate it into a
separate heading.
---
 README.md | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/README.md b/README.md
index a28b6c0e4e..0345cbae35 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ git clone -b v0.21 https://github.com/zeux/meshoptimizer.git
 
 Alternatively you can [download the .zip archive from GitHub](https://github.com/zeux/meshoptimizer/archive/v0.21.zip).
 
-The library is also available as a package ([ArchLinux](https://aur.archlinux.org/packages/meshoptimizer/), [Debian](https://packages.debian.org/libmeshoptimizer), [Ubuntu](https://packages.ubuntu.com/libmeshoptimizer), [Vcpkg](https://github.com/microsoft/vcpkg/tree/master/ports/meshoptimizer)).
+The library is also available as a Linux package in several distributions ([ArchLinux](https://aur.archlinux.org/packages/meshoptimizer/), [Debian](https://packages.debian.org/libmeshoptimizer), [Ubuntu](https://packages.ubuntu.com/libmeshoptimizer)), as well as a [Vcpkg port](https://github.com/microsoft/vcpkg/tree/master/ports/meshoptimizer) (see [installation instructions](https://learn.microsoft.com/en-us/vcpkg/get_started/get-started)).
 
 ### Installing gltfpack
 
@@ -37,10 +37,6 @@ meshoptimizer is distributed as a set of C++ source files. To include it into yo
 
 The source files are organized in such a way that you don't need to change your build-system settings, and you only need to add the files for the algorithms you use.
 
-## Installing from vcpkg
-
-The meshoptimizer port in [vcpkg](https://github.com/Microsoft/vcpkg) is kept up to date by Microsoft team members and community contributors. You can download and install meshoptimizer using the vcpkg dependency manager, [Getting Started](https://github.com/microsoft/vcpkg#getting-started).
-
 ## Pipeline
 
 When optimizing a mesh, you should typically feed it through a set of optimizations (the order is important!):

From 01a10177b19809a92367db640b941fe775fd66d6 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 17 Aug 2024 18:28:08 -0700
Subject: [PATCH 180/581] Update README.md

Also add a link to Conan package (which is more up to date than Vcpkg) and slightly clarify manual building.
---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 0345cbae35..40152a5885 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ git clone -b v0.21 https://github.com/zeux/meshoptimizer.git
 
 Alternatively you can [download the .zip archive from GitHub](https://github.com/zeux/meshoptimizer/archive/v0.21.zip).
 
-The library is also available as a Linux package in several distributions ([ArchLinux](https://aur.archlinux.org/packages/meshoptimizer/), [Debian](https://packages.debian.org/libmeshoptimizer), [Ubuntu](https://packages.ubuntu.com/libmeshoptimizer)), as well as a [Vcpkg port](https://github.com/microsoft/vcpkg/tree/master/ports/meshoptimizer) (see [installation instructions](https://learn.microsoft.com/en-us/vcpkg/get_started/get-started)).
+The library is also available as a Linux package in several distributions ([ArchLinux](https://aur.archlinux.org/packages/meshoptimizer/), [Debian](https://packages.debian.org/libmeshoptimizer), [Ubuntu](https://packages.ubuntu.com/libmeshoptimizer)), as well as a [Vcpkg port](https://github.com/microsoft/vcpkg/tree/master/ports/meshoptimizer) (see [installation instructions](https://learn.microsoft.com/en-us/vcpkg/get_started/get-started)) and a [Conan package](https://conan.io/center/recipes/meshoptimizer?version=0.21).
 
 ### Installing gltfpack
 
@@ -35,7 +35,7 @@ meshoptimizer is distributed as a set of C++ source files. To include it into yo
 * Use CMake to build the library (either as a standalone project or as part of your project)
 * Add source files to your project's build system
 
-The source files are organized in such a way that you don't need to change your build-system settings, and you only need to add the files for the algorithms you use.
+The source files are organized in such a way that you don't need to change your build-system settings, and you only need to add the source files for the algorithms you use. They should build without warnings or special compilation options on all major compilers.
 
 ## Pipeline
 

From 7e4c5002438468f4d4fb3d8964e0a84a059a61c6 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 17 Aug 2024 18:37:01 -0700
Subject: [PATCH 181/581] Update README.md

Add FreeBSD and Nix package links and clean up gltfpack/JS references a little.
---
 README.md | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 40152a5885..e3a2e7c570 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,9 @@
 
 When a GPU renders triangle meshes, various stages of the GPU pipeline have to process vertex and index data. The efficiency of these stages depends on the data you feed to them; this library provides algorithms to help optimize meshes for these stages, as well as algorithms to reduce the mesh complexity and storage overhead.
 
-The library provides a C and C++ interface for all algorithms; you can use it from C/C++ or from other languages via FFI (such as P/Invoke). If you want to use this library from Rust, you should use [meshopt crate](https://crates.io/crates/meshopt).
+The library provides a C and C++ interface for all algorithms; you can use it from C/C++ or from other languages via FFI (such as P/Invoke). If you want to use this library from Rust, you should use [meshopt crate](https://crates.io/crates/meshopt). JavaScript interface for some algorithms is available through [meshoptimizer.js](https://www.npmjs.com/package/meshoptimizer).
 
-[gltfpack](gltf), which is a tool that can automatically optimize glTF files, is developed and distributed alongside the library.
+[gltfpack](./gltf/README.md), which is a tool that can automatically optimize glTF files, is developed and distributed alongside the library.
 
 ## Installing
 
@@ -18,16 +18,14 @@ git clone -b v0.21 https://github.com/zeux/meshoptimizer.git
 
 Alternatively you can [download the .zip archive from GitHub](https://github.com/zeux/meshoptimizer/archive/v0.21.zip).
 
-The library is also available as a Linux package in several distributions ([ArchLinux](https://aur.archlinux.org/packages/meshoptimizer/), [Debian](https://packages.debian.org/libmeshoptimizer), [Ubuntu](https://packages.ubuntu.com/libmeshoptimizer)), as well as a [Vcpkg port](https://github.com/microsoft/vcpkg/tree/master/ports/meshoptimizer) (see [installation instructions](https://learn.microsoft.com/en-us/vcpkg/get_started/get-started)) and a [Conan package](https://conan.io/center/recipes/meshoptimizer?version=0.21).
+The library is also available as a Linux package in several distributions ([ArchLinux](https://aur.archlinux.org/packages/meshoptimizer/), [Debian](https://packages.debian.org/libmeshoptimizer), [FreeBSD](https://www.freshports.org/misc/meshoptimizer/), [Nix](https://mynixos.com/nixpkgs/package/meshoptimizer), [Ubuntu](https://packages.ubuntu.com/libmeshoptimizer)), as well as a [Vcpkg port](https://github.com/microsoft/vcpkg/tree/master/ports/meshoptimizer) (see [installation instructions](https://learn.microsoft.com/en-us/vcpkg/get_started/get-started)) and a [Conan package](https://conan.io/center/recipes/meshoptimizer?version=0.21).
 
 ### Installing gltfpack
 
-`gltfpack` is a CLI tool for optimizing meshes using meshoptimizer.
+[gltfpack](./gltf/README.md) is a CLI tool for optimizing meshes using meshoptimizer.
 
 You can download a pre-built binary for gltfpack on [Releases page](https://github.com/zeux/meshoptimizer/releases), or install [npm package](https://www.npmjs.com/package/gltfpack). Native binaries are recommended over npm since they can work with larger files, run faster, and support texture compression.
 
-[Learn more about gltfpack](./gltf/README.md)
-
 ## Building
 
 meshoptimizer is distributed as a set of C++ source files. To include it into your project, you can use one of the two options:

From 1cf32f3e42118404812ff9b8594a0f8c5ac90883 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 17 Aug 2024 18:50:33 -0700
Subject: [PATCH 182/581] Update README.md

Remove gltfpack sub-header; most of the information is on the gltfpack-specific page, and the goal here is just to have a one-liner that tells people how to install it if necessary. This improves the information flow.
---
 README.md | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/README.md b/README.md
index e3a2e7c570..592bff33bb 100644
--- a/README.md
+++ b/README.md
@@ -20,11 +20,7 @@ Alternatively you can [download the .zip archive from GitHub](https://github.com
 
 The library is also available as a Linux package in several distributions ([ArchLinux](https://aur.archlinux.org/packages/meshoptimizer/), [Debian](https://packages.debian.org/libmeshoptimizer), [FreeBSD](https://www.freshports.org/misc/meshoptimizer/), [Nix](https://mynixos.com/nixpkgs/package/meshoptimizer), [Ubuntu](https://packages.ubuntu.com/libmeshoptimizer)), as well as a [Vcpkg port](https://github.com/microsoft/vcpkg/tree/master/ports/meshoptimizer) (see [installation instructions](https://learn.microsoft.com/en-us/vcpkg/get_started/get-started)) and a [Conan package](https://conan.io/center/recipes/meshoptimizer?version=0.21).
 
-### Installing gltfpack
-
-[gltfpack](./gltf/README.md) is a CLI tool for optimizing meshes using meshoptimizer.
-
-You can download a pre-built binary for gltfpack on [Releases page](https://github.com/zeux/meshoptimizer/releases), or install [npm package](https://www.npmjs.com/package/gltfpack). Native binaries are recommended over npm since they can work with larger files, run faster, and support texture compression.
+[gltfpack](./gltf/README.md) is available as a pre-built binary on [Releases page](https://github.com/zeux/meshoptimizer/releases) or via [npm package](https://www.npmjs.com/package/gltfpack). Native binaries are recommended since they are more efficient and support texture compression.
 
 ## Building
 

From 821399cc4b6c9ff82ece75161249cf40165d4f77 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 18 Aug 2024 12:03:04 -0700
Subject: [PATCH 183/581] demo: Add basic simplification statistics

For ease of debugging we now display post-simplification stats (# of
triangles for meshes, # of vertices for points) as well as the maximum
resulting error as returned by the simplification algorithm.
---
 demo/simplify.html | 33 +++++++++++++++++++++++++++------
 1 file changed, 27 insertions(+), 6 deletions(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index c50396b75d..6f9ccd034a 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -68,6 +68,12 @@
 				normalWeight: 0.5,
 				colorWeight: 1.0,
 
+				stats: {
+					triangles: 0,
+					vertices: 0,
+					error: '0',
+				},
+
 				loadFile: function () {
 					var input = document.createElement('input');
 					input.type = 'file';
@@ -103,8 +109,10 @@
 			guiLoad.add(settings, 'loadFile');
 			guiLoad.add(settings, 'updateModule');
 
-			var windowHalfX = window.innerWidth / 2;
-			var windowHalfY = window.innerHeight / 2;
+			var guiStats = gui.addFolder('Stats');
+			guiStats.add(settings.stats, 'triangles').listen();
+			guiStats.add(settings.stats, 'vertices').listen();
+			guiStats.add(settings.stats, 'error').listen();
 
 			init();
 			load('pirate.glb');
@@ -180,6 +188,8 @@
 				geo.index.array = res[0];
 				geo.index.count = res[0].length;
 				geo.index.needsUpdate = true;
+
+				return res[1];
 			}
 
 			function simplifyPoints(geo) {
@@ -216,14 +226,28 @@
 				MeshoptSimplifier.ready.then(function () {
 					MeshoptSimplifier.useExperimentalFeatures = true;
 
+					var triangles = 0;
+					var vertices = 0;
+					var error = 0;
+
 					scene.traverse(function (object) {
 						if (object.isMesh) {
-							simplifyMesh(object.geometry);
+							var err = simplifyMesh(object.geometry);
+
+							error = Math.max(error, err); // note: we are ignoring the possibility of different mesh scales atm
+							triangles += object.geometry.index.count / 3;
+							vertices += object.geometry.attributes.position.count;
 						}
 						if (object.isPoints) {
 							simplifyPoints(object.geometry);
+
+							vertices += object.geometry.attributes.position.count;
 						}
 					});
+
+					settings.stats.triangles = triangles;
+					settings.stats.vertices = vertices;
+					settings.stats.error = error.toExponential(3);
 				});
 			}
 
@@ -319,9 +343,6 @@
 			}
 
 			function onWindowResize() {
-				windowHalfX = window.innerWidth / 2;
-				windowHalfY = window.innerHeight / 2;
-
 				camera.aspect = window.innerWidth / window.innerHeight;
 				camera.updateProjectionMatrix();
 

From 477de36ee5cfeb47d910152845af1c7efd4d9b42 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 18 Aug 2024 12:58:36 -0700
Subject: [PATCH 184/581] gltfpack: Adjust attribute weights for simplification

For now just use constant 0.5f; this code should ideally be rewritten
now that we can more easily skip unused attributes during actual
processing.
---
 gltf/mesh.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 99950767ba..a3dc339410 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -557,7 +557,7 @@ static void simplifyMesh(Mesh& mesh, float threshold, bool attributes, bool aggr
 	const Stream* attr = getStream(mesh, cgltf_attribute_type_color);
 	attr = attr ? attr : getStream(mesh, cgltf_attribute_type_normal);
 
-	const float attrw[3] = {1e-2f, 1e-2f, 1e-2f};
+	const float attrw[3] = {0.5f, 0.5f, 0.5f};
 
 	std::vector<unsigned int> indices(mesh.indices.size());
 	if (attributes && attr)

From abc4c36f2639147086ac0fccb11661d811005d2f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 18 Aug 2024 13:11:43 -0700
Subject: [PATCH 185/581] gltfpack: Fix triangle count computation for
 non-triangle meshes

This affected lines/points including debug meshes that simplification
debugging produces.
---
 gltf/gltfpack.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 85c6ad0b92..4f68ad5cc1 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -87,12 +87,14 @@ static void printMeshStats(const std::vector<Mesh>& meshes, const char* name)
 	{
 		const Mesh& mesh = meshes[i];
 
-		mesh_triangles += mesh.indices.size() / 3;
+		size_t triangles = mesh.type == cgltf_primitive_type_triangles ? mesh.indices.size() / 3 : 0;
+
+		mesh_triangles += triangles;
 		mesh_vertices += mesh.streams.empty() ? 0 : mesh.streams[0].data.size();
 
 		size_t instances = std::max(size_t(1), mesh.nodes.size() + mesh.instances.size());
 
-		total_triangles += mesh.indices.size() / 3 * instances;
+		total_triangles += triangles * instances;
 		total_instances += instances;
 		total_draws += std::max(size_t(1), mesh.nodes.size());
 	}
@@ -199,9 +201,10 @@ static bool printReport(const char* path, const std::vector<BufferView>& views,
 	{
 		const Mesh& mesh = meshes[i];
 
+		size_t triangles = mesh.type == cgltf_primitive_type_triangles ? mesh.indices.size() / 3 : 0;
 		size_t instances = std::max(size_t(1), mesh.nodes.size() + mesh.instances.size());
 
-		total_triangles += mesh.indices.size() / 3 * instances;
+		total_triangles += triangles * instances;
 		total_instances += instances;
 		total_draws += std::max(size_t(1), mesh.nodes.size());
 	}

From 53c6a5a2665ceb612636ad01a544f08f013720ea Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 18 Aug 2024 16:01:52 -0700
Subject: [PATCH 186/581] js: "Expose" InternalDebug option to simplifier

This is a very undocumented option that will generate visualization data
without any backwards compatibility promises; this is incompatible with
modes like Sparse, 16-bit indices, and may have other limitations.

This is only added for the benefit of demo visualization. Please do not
use it.
---
 js/meshopt_simplifier.js        | 1 +
 js/meshopt_simplifier.module.js | 1 +
 2 files changed, 2 insertions(+)

diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index e1c7abceb7..7e2cce063b 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -197,6 +197,7 @@ var MeshoptSimplifier = (function () {
 		LockBorder: 1,
 		Sparse: 2,
 		ErrorAbsolute: 4,
+		_InternalDebug: 1 << 30,
 	};
 
 	return {
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index 95e8ed2523..9337ccd1f2 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -196,6 +196,7 @@ var MeshoptSimplifier = (function () {
 		LockBorder: 1,
 		Sparse: 2,
 		ErrorAbsolute: 4,
+		_InternalDebug: 1 << 30,
 	};
 
 	return {

From bebd05f272cf35727cd07c31d3f0c8223ba97df2 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 18 Aug 2024 16:05:38 -0700
Subject: [PATCH 187/581] demo: Adjust simplification to create new
 BufferGeometry objects

This is going to be necessary if we were to implement optional
preprocessing steps like welding as well as debug visualization; we will
try to limit the modifications to index data but that may not always be
possible.
---
 demo/simplify.html | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index 6f9ccd034a..07e3334cb8 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -119,14 +119,10 @@
 			animate();
 
 			function simplifyMesh(geo) {
-				if (!geo.index.original) {
-					geo.index.original = geo.index.array;
-				}
-
 				var attributes = 6; // 3 color, 3 normal
 
 				var positions = new Float32Array(geo.attributes.position.array);
-				var indices = geo.index.original;
+				var indices = geo.index.array;
 				var target = Math.floor((indices.length * settings.ratio) / 3) * 3;
 
 				if (settings.useAttributes) {
@@ -185,11 +181,14 @@
 
 				console.log('simplified to', res[0].length / 3, 'with error', res[1]);
 
-				geo.index.array = res[0];
-				geo.index.count = res[0].length;
-				geo.index.needsUpdate = true;
+				var dind = Array.from(res[0]);
+
+				var rgeo = geo.clone();
+				rgeo.index.array = new Uint32Array(dind);
+				rgeo.index.count = dind.length;
+				rgeo.index.needsUpdate = true;
 
-				return res[1];
+				return [rgeo, res[1]];
 			}
 
 			function simplifyPoints(geo) {
@@ -232,7 +231,13 @@
 
 					scene.traverse(function (object) {
 						if (object.isMesh) {
-							var err = simplifyMesh(object.geometry);
+							if (!object.original) {
+								object.original = object.geometry.clone();
+							}
+
+							var [geo, err] = simplifyMesh(object.original);
+
+							object.geometry = geo;
 
 							error = Math.max(error, err); // note: we are ignoring the possibility of different mesh scales atm
 							triangles += object.geometry.index.count / 3;

From d7b5a20367acee47a915f0e2e14fbb8d93589230 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 18 Aug 2024 16:32:00 -0700
Subject: [PATCH 188/581] demo: Implement simplification debug overlay

To get data for debug overlay, we run simplification process again and
output loop/kind metadata. To minimize the changes to the rendering
code, we parse the index buffer and generate extra triangles (for now
using the same color) for any loop edge, and use three's material groups
to render that with a separate material. Conveniently, even if the
original mesh has vertex colors, these get ignored by MeshBasicMaterial
so this works properly, and is compatible with skinning because we use
wireframe on degenerate triangles (three doesn't support skinned lines
otherwise).

This is a little crude and will be refined in the future but gets the
job done.
---
 demo/simplify.html | 73 +++++++++++++++++++++++++++++++++-------------
 1 file changed, 52 insertions(+), 21 deletions(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index 07e3334cb8..610d831655 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -62,6 +62,7 @@
 				wireframe: false,
 				pointSize: 1.0,
 				ratio: 1.0,
+				debugOverlay: false,
 				lockBorder: false,
 				useAttributes: false,
 				errorThresholdLog10: 1,
@@ -96,6 +97,7 @@
 			var guiDisplay = gui.addFolder('Display');
 			guiDisplay.add(settings, 'wireframe').onChange(update);
 			guiDisplay.add(settings, 'pointSize', 1, 16).onChange(update);
+			guiDisplay.add(settings, 'debugOverlay').onChange(simplify); // requires debug data rebuild
 
 			var guiSimplify = gui.addFolder('Simplify');
 			guiSimplify.add(settings, 'ratio', 0, 1, 0.01).onChange(simplify);
@@ -122,7 +124,7 @@
 				var attributes = 6; // 3 color, 3 normal
 
 				var positions = new Float32Array(geo.attributes.position.array);
-				var indices = geo.index.array;
+				var indices = new Uint32Array(geo.index.array); // needed for _InternalDebug to work
 				var target = Math.floor((indices.length * settings.ratio) / 3) * 3;
 
 				if (settings.useAttributes) {
@@ -162,33 +164,57 @@
 
 				console.time('simplify');
 
-				var res = settings.useAttributes
-					? MeshoptSimplifier.simplifyWithAttributes(
-							indices,
-							positions,
-							stride,
-							attrib,
-							attributes,
-							attrib_weights,
-							null,
-							target,
-							threshold,
-							flags,
-						)
-					: MeshoptSimplifier.simplify(indices, positions, stride, target, threshold, flags);
+				function run() {
+					var S = MeshoptSimplifier; // to avoid line breaks below...
+					return settings.useAttributes
+						? S.simplifyWithAttributes(indices, positions, stride, attrib, attributes, attrib_weights, null, target, threshold, flags)
+						: MeshoptSimplifier.simplify(indices, positions, stride, target, threshold, flags);
+				}
+
+				var res = run();
+
+				if (settings.debugOverlay) {
+					flags.push('_InternalDebug');
+					var dres = run();
+				}
 
 				console.timeEnd('simplify');
 
 				console.log('simplified to', res[0].length / 3, 'with error', res[1]);
 
-				var dind = Array.from(res[0]);
-
 				var rgeo = geo.clone();
+
+				var dind = res[0];
+
+				if (settings.debugOverlay) {
+					// we need extra indices for debug overlay
+					dind = Array.from(res[0]);
+
+					for (var i = 0; i < dres[0].length; i += 3) {
+						var mask = (1 << 28) - 1;
+
+						for (var e = 0; e < 3; ++e) {
+							var a = dres[0][i + e],
+								b = dres[0][i + ((e + 1) % 3)];
+
+							if (a >> 31 != 0) {
+								dind.push(a & mask);
+								dind.push(a & mask);
+								dind.push(b & mask);
+							}
+						}
+					}
+
+					rgeo.addGroup(res[0].length, dind.length - res[0].length, 1);
+				}
+
 				rgeo.index.array = new Uint32Array(dind);
 				rgeo.index.count = dind.length;
 				rgeo.index.needsUpdate = true;
 
-				return [rgeo, res[1]];
+				rgeo.addGroup(0, res[0].length, 0);
+
+				return [rgeo, res[0].length / 3, res[1]];
 			}
 
 			function simplifyPoints(geo) {
@@ -233,14 +259,15 @@
 						if (object.isMesh) {
 							if (!object.original) {
 								object.original = object.geometry.clone();
+								object.material = [object.material, new THREE.MeshBasicMaterial({ color: 0xff0000, wireframe: true })];
 							}
 
-							var [geo, err] = simplifyMesh(object.original);
+							var [geo, tri, err] = simplifyMesh(object.original);
 
 							object.geometry = geo;
 
 							error = Math.max(error, err); // note: we are ignoring the possibility of different mesh scales atm
-							triangles += object.geometry.index.count / 3;
+							triangles += tri;
 							vertices += object.geometry.attributes.position.count;
 						}
 						if (object.isPoints) {
@@ -270,7 +297,11 @@
 			function update() {
 				scene.traverse(function (child) {
 					if (child.isMesh) {
-						child.material.wireframe = settings.wireframe;
+						if (Array.isArray(child.material)) {
+							child.material[0].wireframe = settings.wireframe;
+						} else {
+							child.material.wireframe = settings.wireframe;
+						}
 					}
 					if (child.isPoints) {
 						child.material.size = settings.pointSize;

From 81494c97c38cc3ae58087e96658b7e445e87b787 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 18 Aug 2024 17:11:47 -0700
Subject: [PATCH 189/581] demo: Implement auto-update for simplification module

Instead of having to manually click "update module" every time the
module changes, we now support auto update checkbox that polls the file
every second and reloads it when the modification date has changed.
This, combined with running 'make' in a shell in a loop, results in a
nice hot reload support without too much work.
---
 demo/simplify.html | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/demo/simplify.html b/demo/simplify.html
index 610d831655..1426412e17 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -91,6 +91,7 @@
 					reload();
 					simplify();
 				},
+				autoUpdate: false,
 			};
 
 			var gui = new GUI({ width: 300 });
@@ -110,6 +111,7 @@
 			var guiLoad = gui.addFolder('Load');
 			guiLoad.add(settings, 'loadFile');
 			guiLoad.add(settings, 'updateModule');
+			guiLoad.add(settings, 'autoUpdate').onChange(autoReload);
 
 			var guiStats = gui.addFolder('Stats');
 			guiStats.add(settings.stats, 'triangles').listen();
@@ -294,6 +296,24 @@
 				});
 			}
 
+			var moduleLastModified = 0;
+
+			function autoReload() {
+				if (!settings.autoUpdate) return;
+
+				var simph = fetch('/js/meshopt_simplifier.module.js?x=' + Date.now(), { method: 'HEAD' });
+				simph.then(function (r) {
+					var last = r.headers.get('Last-Modified');
+					if (last != moduleLastModified) {
+						moduleLastModified = last;
+						reload();
+						simplify();
+					}
+
+					setTimeout(autoReload, 1000);
+				});
+			}
+
 			function update() {
 				scene.traverse(function (child) {
 					if (child.isMesh) {

From 275d73246e6366a67200e7e1aad452d91dbdf719 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 18 Aug 2024 17:43:39 -0700
Subject: [PATCH 190/581] demo: Expand debug visualization to show all
 classifiers

Since we have issues with rendering points using our current method, we
just render edges: either when they are marked as loops in the metadata
(which is the case for seam/border), or if both vertices are locked.
When only one vertex is locked, this can sometimes get classified as a
loop (in which case we render it) but in general there is some ambiguity
for edges adjacent to locked vertices, and isolated locked vertices may
not get rendered as such.
---
 demo/simplify.html | 49 +++++++++++++++++++++++++++++++---------------
 1 file changed, 33 insertions(+), 16 deletions(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index 1426412e17..084bfe9b82 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -182,8 +182,6 @@
 
 				console.timeEnd('simplify');
 
-				console.log('simplified to', res[0].length / 3, 'with error', res[1]);
-
 				var rgeo = geo.clone();
 
 				var dind = res[0];
@@ -192,22 +190,35 @@
 					// we need extra indices for debug overlay
 					dind = Array.from(res[0]);
 
-					for (var i = 0; i < dres[0].length; i += 3) {
-						var mask = (1 << 28) - 1;
-
-						for (var e = 0; e < 3; ++e) {
-							var a = dres[0][i + e],
-								b = dres[0][i + ((e + 1) % 3)];
-
-							if (a >> 31 != 0) {
-								dind.push(a & mask);
-								dind.push(a & mask);
-								dind.push(b & mask);
+					for (var kind = 1; kind <= 4; ++kind) {
+						var offset = dind.length;
+
+						for (var i = 0; i < dres[0].length; i += 3) {
+							var mask = (1 << 28) - 1;
+
+							for (var e = 0; e < 3; ++e) {
+								var a = dres[0][i + e],
+									b = dres[0][i + ((e + 1) % 3)];
+
+								if (a >> 31 != 0 && ((a >> 28) & 7) == kind) {
+									// loop of current kind
+									dind.push(a & mask);
+									dind.push(a & mask);
+									dind.push(b & mask);
+								} else if (kind == 4 && ((a >> 28) & 7) == kind && ((b >> 28) & 7) == kind) {
+									// locked edge (may not be marked as a loop)
+									dind.push(a & mask);
+									dind.push(a & mask);
+									dind.push(b & mask);
+								}
 							}
 						}
-					}
 
-					rgeo.addGroup(res[0].length, dind.length - res[0].length, 1);
+						if (offset != dind.length) {
+							rgeo.addGroup(offset, dind.length - offset, kind);
+							offset = dind.length;
+						}
+					}
 				}
 
 				rgeo.index.array = new Uint32Array(dind);
@@ -261,7 +272,13 @@
 						if (object.isMesh) {
 							if (!object.original) {
 								object.original = object.geometry.clone();
-								object.material = [object.material, new THREE.MeshBasicMaterial({ color: 0xff0000, wireframe: true })];
+								object.material = [
+									object.material,
+									new THREE.MeshBasicMaterial({ color: 0x0000ff, wireframe: true }), // border
+									new THREE.MeshBasicMaterial({ color: 0x00ff00, wireframe: true }), // seam
+									new THREE.MeshBasicMaterial({ color: 0xff00ff, wireframe: true }), // complex
+									new THREE.MeshBasicMaterial({ color: 0xff0000, wireframe: true }), // locked
+								];
 							}
 
 							var [geo, tri, err] = simplifyMesh(object.original);

From 621b2077f340fe33461e24a1c42f02b98d706fea Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 18 Aug 2024 17:48:20 -0700
Subject: [PATCH 191/581] demo: Apply small depth offset to geometry to avoid
 overlay z-fighting

This has to be done on the material itself as lines do not support depth
offset in three.js; unfortunately this also means this doesn't help when
wireframe rendering is used.
---
 demo/simplify.html | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/demo/simplify.html b/demo/simplify.html
index 084bfe9b82..eb32583a56 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -272,6 +272,12 @@
 						if (object.isMesh) {
 							if (!object.original) {
 								object.original = object.geometry.clone();
+
+								// use small depth offset to avoid overlay z-fighting with the original mesh
+								// has to be done on the main material as overlays use lines that don't support depth offset
+								object.material.polygonOffset = true;
+								object.material.polygonOffsetUnits = 16;
+
 								object.material = [
 									object.material,
 									new THREE.MeshBasicMaterial({ color: 0x0000ff, wireframe: true }), // border

From 269f466404cb10454f7b44fb84a0e839b1423ccd Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 18 Aug 2024 18:01:08 -0700
Subject: [PATCH 192/581] demo: Add basic (optional) welding to the simplifier

Without this, some glTF models can't be properly simplified because of
export or conversion issues resulting in duplicate vertices with equal
or slightly-different normals or tangents. Ideally in the future
simplifier (with attributes?) should be more tolerant or we should add a
pre-process step, but for now we can use mergeVertices from three.js.

The tolerance is set to be reasonable for normals; unfortunately
mergeVertices does not allow to specify a separate value for positions
or UVs (which we would rather keep unwelded).
---
 demo/simplify.html | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/demo/simplify.html b/demo/simplify.html
index eb32583a56..008824fca7 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -50,6 +50,7 @@
 			import * as THREE from 'three';
 			import { GLTFLoader } from 'three-examples/loaders/GLTFLoader.js';
 			import { OrbitControls } from 'three-examples/controls/OrbitControls.js';
+			import { mergeVertices } from 'three-examples/utils/BufferGeometryUtils.js';
 			import { MeshoptDecoder } from '../js/meshopt_decoder.module.js';
 			import { MeshoptSimplifier } from '../js/meshopt_simplifier.module.js';
 			import { GUI } from 'https://unpkg.com/lil-gui@0.17.0/dist/lil-gui.esm.js';
@@ -64,6 +65,7 @@
 				ratio: 1.0,
 				debugOverlay: false,
 				lockBorder: false,
+				weldVertices: false,
 				useAttributes: false,
 				errorThresholdLog10: 1,
 				normalWeight: 0.5,
@@ -103,6 +105,7 @@
 			var guiSimplify = gui.addFolder('Simplify');
 			guiSimplify.add(settings, 'ratio', 0, 1, 0.01).onChange(simplify);
 			guiSimplify.add(settings, 'lockBorder').onChange(simplify);
+			guiSimplify.add(settings, 'weldVertices').onChange(simplify);
 			guiSimplify.add(settings, 'errorThresholdLog10', 0, 3, 0.1).onChange(simplify);
 			guiSimplify.add(settings, 'useAttributes').onChange(simplify);
 			guiSimplify.add(settings, 'normalWeight', 0, 2, 0.01).onChange(simplify);
@@ -123,6 +126,12 @@
 			animate();
 
 			function simplifyMesh(geo) {
+				if (settings.weldVertices) {
+					// pre-welding is important for some meshes that have very close normals in adjacent face corners
+					// for now we use the welder from three.js; this is not as performant as it could be
+					geo = mergeVertices(geo, 1e-2);
+				}
+
 				var attributes = 6; // 3 color, 3 normal
 
 				var positions = new Float32Array(geo.attributes.position.array);

From 181192d543b6897e76487bc2fbc80baf0aad8f17 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 19 Aug 2024 08:49:59 -0700
Subject: [PATCH 193/581] demo: Make auto-update more robust

Instead of terminating the loop when encountering an error, handle it
and wait a little longer for the next request. Also we now display the
last time the module got updated which makes it easier to confirm that
the update flow is working.
---
 demo/simplify.html | 27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index 008824fca7..5911ee1a82 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -94,6 +94,7 @@
 					simplify();
 				},
 				autoUpdate: false,
+				autoUpdateStatus: '',
 			};
 
 			var gui = new GUI({ width: 300 });
@@ -115,6 +116,7 @@
 			guiLoad.add(settings, 'loadFile');
 			guiLoad.add(settings, 'updateModule');
 			guiLoad.add(settings, 'autoUpdate').onChange(autoReload);
+			guiLoad.add(settings, 'autoUpdateStatus').listen();
 
 			var guiStats = gui.addFolder('Stats');
 			guiStats.add(settings.stats, 'triangles').listen();
@@ -333,17 +335,22 @@
 			function autoReload() {
 				if (!settings.autoUpdate) return;
 
-				var simph = fetch('/js/meshopt_simplifier.module.js?x=' + Date.now(), { method: 'HEAD' });
-				simph.then(function (r) {
-					var last = r.headers.get('Last-Modified');
-					if (last != moduleLastModified) {
-						moduleLastModified = last;
-						reload();
-						simplify();
-					}
+				fetch('/js/meshopt_simplifier.module.js?x=' + Date.now(), { method: 'HEAD' })
+					.then(function (r) {
+						var last = r.headers.get('Last-Modified');
+						if (last != moduleLastModified) {
+							moduleLastModified = last;
+							reload();
+							simplify();
+						}
 
-					setTimeout(autoReload, 1000);
-				});
+						settings.autoUpdateStatus = new Date(last).toLocaleTimeString();
+						setTimeout(autoReload, 1000);
+					})
+					.catch(function (e) {
+						settings.autoUpdateStatus = 'error';
+						setTimeout(autoReload, 5000);
+					});
 			}
 
 			function update() {

From b9e8d70fb7b94cfa4976a3c74f030488badc80ed Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 19 Aug 2024 09:08:42 -0700
Subject: [PATCH 194/581] js: Use ES5 compatible trailing comma placement

This regressed with the prettier update; it defaults to placing trailing
commas in function calls which is a ES6 feature.
---
 .prettierrc                       |  1 +
 demo/index.html                   |  2 +-
 demo/simplify.html                |  2 +-
 js/meshopt_simplifier.js          | 24 ++++++++++++------------
 js/meshopt_simplifier.module.d.ts |  6 +++---
 js/meshopt_simplifier.module.js   | 24 ++++++++++++------------
 6 files changed, 30 insertions(+), 29 deletions(-)

diff --git a/.prettierrc b/.prettierrc
index afa02a3af3..dfbe3c9443 100644
--- a/.prettierrc
+++ b/.prettierrc
@@ -4,4 +4,5 @@
 	"semi": true,
 	"singleQuote": true,
 	"printWidth": 150,
+	"trailingComma": "es5",
 }
diff --git a/demo/index.html b/demo/index.html
index d177bb2906..bd72ae7ff9 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -105,7 +105,7 @@
 						}
 					},
 					onProgress,
-					onError,
+					onError
 				);
 
 				renderer = new THREE.WebGLRenderer();
diff --git a/demo/simplify.html b/demo/simplify.html
index 5911ee1a82..60506799fe 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -402,7 +402,7 @@
 						}
 					},
 					onProgress,
-					onError,
+					onError
 				);
 			}
 
diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 7e2cce063b..6539edf7bf 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -110,7 +110,7 @@ var MeshoptSimplifier = (function () {
 		vertex_lock,
 		target_index_count,
 		target_error,
-		options,
+		options
 	) {
 		var sbrk = instance.exports.sbrk;
 		var te = sbrk(4);
@@ -143,7 +143,7 @@ var MeshoptSimplifier = (function () {
 			target_index_count,
 			target_error,
 			options,
-			te,
+			te
 		);
 		// heap may have grown
 		heap = new Uint8Array(instance.exports.memory.buffer);
@@ -173,7 +173,7 @@ var MeshoptSimplifier = (function () {
 		vertex_colors,
 		vertex_colors_stride,
 		color_weight,
-		target_vertex_count,
+		target_vertex_count
 	) {
 		var sbrk = instance.exports.sbrk;
 		var ti = sbrk(target_vertex_count * 4);
@@ -210,7 +210,7 @@ var MeshoptSimplifier = (function () {
 
 		compactMesh: function (indices) {
 			assert(
-				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array,
+				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array
 			);
 			assert(indices.length % 3 == 0);
 
@@ -220,7 +220,7 @@ var MeshoptSimplifier = (function () {
 
 		simplify: function (indices, vertex_positions, vertex_positions_stride, target_index_count, target_error, flags) {
 			assert(
-				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array,
+				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array
 			);
 			assert(indices.length % 3 == 0);
 			assert(vertex_positions instanceof Float32Array);
@@ -246,7 +246,7 @@ var MeshoptSimplifier = (function () {
 				vertex_positions_stride * 4,
 				target_index_count,
 				target_error,
-				options,
+				options
 			);
 			result[0] = indices instanceof Uint32Array ? result[0] : new indices.constructor(result[0]);
 
@@ -263,11 +263,11 @@ var MeshoptSimplifier = (function () {
 			vertex_lock,
 			target_index_count,
 			target_error,
-			flags,
+			flags
 		) {
 			assert(this.useExperimentalFeatures); // set useExperimentalFeatures to use this; note that this function is experimental and may change interface in a way that will require revising calling code
 			assert(
-				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array,
+				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array
 			);
 			assert(indices.length % 3 == 0);
 			assert(vertex_positions instanceof Float32Array);
@@ -307,7 +307,7 @@ var MeshoptSimplifier = (function () {
 				vertex_lock ? new Uint8Array(vertex_lock) : null,
 				target_index_count,
 				target_error,
-				options,
+				options
 			);
 			result[0] = indices instanceof Uint32Array ? result[0] : new indices.constructor(result[0]);
 
@@ -322,7 +322,7 @@ var MeshoptSimplifier = (function () {
 				instance.exports.meshopt_simplifyScale,
 				vertex_positions,
 				vertex_positions.length / vertex_positions_stride,
-				vertex_positions_stride * 4,
+				vertex_positions_stride * 4
 			);
 		},
 
@@ -345,7 +345,7 @@ var MeshoptSimplifier = (function () {
 					vertex_colors,
 					vertex_colors_stride * 4,
 					color_weight,
-					target_vertex_count,
+					target_vertex_count
 				);
 			} else {
 				return simplifyPoints(
@@ -356,7 +356,7 @@ var MeshoptSimplifier = (function () {
 					undefined,
 					0,
 					0,
-					target_vertex_count,
+					target_vertex_count
 				);
 			}
 		},
diff --git a/js/meshopt_simplifier.module.d.ts b/js/meshopt_simplifier.module.d.ts
index 93e86ec8c8..c4732514c1 100644
--- a/js/meshopt_simplifier.module.d.ts
+++ b/js/meshopt_simplifier.module.d.ts
@@ -16,7 +16,7 @@ export const MeshoptSimplifier: {
 		vertex_positions_stride: number,
 		target_index_count: number,
 		target_error: number,
-		flags?: Flags[],
+		flags?: Flags[]
 	) => [Uint32Array, number];
 
 	// Experimental; requires useExperimentalFeatures to be set to true
@@ -30,7 +30,7 @@ export const MeshoptSimplifier: {
 		vertex_lock: boolean[] | null,
 		target_index_count: number,
 		target_error: number,
-		flags?: Flags[],
+		flags?: Flags[]
 	) => [Uint32Array, number];
 
 	getScale: (vertex_positions: Float32Array, vertex_positions_stride: number) => number;
@@ -42,6 +42,6 @@ export const MeshoptSimplifier: {
 		target_vertex_count: number,
 		vertex_colors?: Float32Array,
 		vertex_colors_stride?: number,
-		color_weight?: number,
+		color_weight?: number
 	) => Uint32Array;
 };
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index 9337ccd1f2..5ee7269e47 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -109,7 +109,7 @@ var MeshoptSimplifier = (function () {
 		vertex_lock,
 		target_index_count,
 		target_error,
-		options,
+		options
 	) {
 		var sbrk = instance.exports.sbrk;
 		var te = sbrk(4);
@@ -142,7 +142,7 @@ var MeshoptSimplifier = (function () {
 			target_index_count,
 			target_error,
 			options,
-			te,
+			te
 		);
 		// heap may have grown
 		heap = new Uint8Array(instance.exports.memory.buffer);
@@ -172,7 +172,7 @@ var MeshoptSimplifier = (function () {
 		vertex_colors,
 		vertex_colors_stride,
 		color_weight,
-		target_vertex_count,
+		target_vertex_count
 	) {
 		var sbrk = instance.exports.sbrk;
 		var ti = sbrk(target_vertex_count * 4);
@@ -209,7 +209,7 @@ var MeshoptSimplifier = (function () {
 
 		compactMesh: function (indices) {
 			assert(
-				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array,
+				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array
 			);
 			assert(indices.length % 3 == 0);
 
@@ -219,7 +219,7 @@ var MeshoptSimplifier = (function () {
 
 		simplify: function (indices, vertex_positions, vertex_positions_stride, target_index_count, target_error, flags) {
 			assert(
-				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array,
+				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array
 			);
 			assert(indices.length % 3 == 0);
 			assert(vertex_positions instanceof Float32Array);
@@ -245,7 +245,7 @@ var MeshoptSimplifier = (function () {
 				vertex_positions_stride * 4,
 				target_index_count,
 				target_error,
-				options,
+				options
 			);
 			result[0] = indices instanceof Uint32Array ? result[0] : new indices.constructor(result[0]);
 
@@ -262,11 +262,11 @@ var MeshoptSimplifier = (function () {
 			vertex_lock,
 			target_index_count,
 			target_error,
-			flags,
+			flags
 		) {
 			assert(this.useExperimentalFeatures); // set useExperimentalFeatures to use this; note that this function is experimental and may change interface in a way that will require revising calling code
 			assert(
-				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array,
+				indices instanceof Uint32Array || indices instanceof Int32Array || indices instanceof Uint16Array || indices instanceof Int16Array
 			);
 			assert(indices.length % 3 == 0);
 			assert(vertex_positions instanceof Float32Array);
@@ -306,7 +306,7 @@ var MeshoptSimplifier = (function () {
 				vertex_lock ? new Uint8Array(vertex_lock) : null,
 				target_index_count,
 				target_error,
-				options,
+				options
 			);
 			result[0] = indices instanceof Uint32Array ? result[0] : new indices.constructor(result[0]);
 
@@ -321,7 +321,7 @@ var MeshoptSimplifier = (function () {
 				instance.exports.meshopt_simplifyScale,
 				vertex_positions,
 				vertex_positions.length / vertex_positions_stride,
-				vertex_positions_stride * 4,
+				vertex_positions_stride * 4
 			);
 		},
 
@@ -344,7 +344,7 @@ var MeshoptSimplifier = (function () {
 					vertex_colors,
 					vertex_colors_stride * 4,
 					color_weight,
-					target_vertex_count,
+					target_vertex_count
 				);
 			} else {
 				return simplifyPoints(
@@ -355,7 +355,7 @@ var MeshoptSimplifier = (function () {
 					undefined,
 					0,
 					0,
-					target_vertex_count,
+					target_vertex_count
 				);
 			}
 		},

From 58b1b8accbcf70aa3cdbbab97d70ce5734a57c0c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 19 Aug 2024 09:14:47 -0700
Subject: [PATCH 195/581] gltfpack: Make library.js ES5-compatible

Short-hand key/value is a ES6 feature
---
 gltf/library.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gltf/library.js b/gltf/library.js
index ecbd860bd5..a725e8aadc 100644
--- a/gltf/library.js
+++ b/gltf/library.js
@@ -368,5 +368,5 @@ if (typeof window === 'undefined' && typeof process !== 'undefined' && process.r
 		root.gltfpack = factory();
 	}
 })(typeof self !== 'undefined' ? self : this, function () {
-	return { init, pack };
+	return { init: init, pack: pack };
 });

From ea69275bdcacb163f3aa4d9261543b940da7b899 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 19 Aug 2024 09:17:16 -0700
Subject: [PATCH 196/581] Add ES5 validation

This makes sure that the main library code is ES5 compatible and ES6
features aren't used accidentally.
---
 .github/workflows/build.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1f23671fbc..f0256d4fb9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -68,6 +68,12 @@ jobs:
       run: node js/meshopt_encoder.test.js
     - name: test simplifier
       run: node js/meshopt_simplifier.test.js
+    - name: check es5
+      run: |
+        npm install -g es-check
+        npx es-check es5 js/meshopt_decoder.js js/meshopt_encoder.js js/meshopt_simplifier.js
+        npx es-check --module es5 js/meshopt_decoder.module.js js/meshopt_encoder.module.js js/meshopt_simplifier.module.js
+        npx es-check es5 gltf/library.js
 
   gltfpack:
     runs-on: ubuntu-latest

From 20536cf8c836601e5f1da37dca70041f29821730 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 19 Aug 2024 12:32:21 -0700
Subject: [PATCH 197/581] demo: Add a test for simplification along attribute
 seam

This test is intended mostly to track future improvements to the error
behavior along the seam boundary. Right now, attribute error is not
correctly computed along the seam boundary which prevents some collapses
and can result in artificially inflated resulting error. We also seem to
have some issues with positional errors for collapses along the seam
which the test also demonstrates.
---
 demo/tests.cpp | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 995b032bb7..ddca880dfa 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1338,6 +1338,78 @@ static void simplifyErrorAbsolute()
 	assert(fabsf(error - 0.85f) < 0.01f);
 }
 
+static void simplifySeam()
+{
+	// xyz+attr
+	float vb[] = {
+	    0, 0, 0, 0,
+	    0, 1, 0, 0,
+	    0, 1, 0, 1,
+	    0, 2, 0, 1,
+	    1, 0, 0, 0,
+	    1, 1, 1, 0,
+	    1, 1, 1, 1,
+	    1, 2, 0, 1,
+	    2, 0, 0, 0,
+	    2, 1, 0, 0,
+	    2, 1, 0, 1,
+	    2, 2, 0, 1,
+	    3, 0, 0, 0,
+	    3, 1, 0, 0,
+	    3, 1, 0, 1,
+	    3, 2, 0, 1, // clang-format :-/
+	};
+
+	// 0   1-2   3
+	// 4   5-6   7
+	// 8   9-10 11
+	// 12 13-14 15
+
+	unsigned int ib[] = {
+	    0, 1, 4,
+	    4, 1, 5,
+	    2, 3, 6,
+	    6, 3, 7,
+	    4, 5, 8,
+	    8, 5, 9,
+	    6, 7, 10,
+	    10, 7, 11,
+	    8, 9, 12,
+	    12, 9, 13,
+	    10, 11, 14,
+	    14, 11, 15, // clang-format :-/
+	};
+
+	// note: vertices 1-2 and 13-14 are classified as locked, because they are on a seam & a border
+	// since seam->locked collapses are restriced, we only get to 3 triangles on each side as the seam is simplified to 3 vertices
+
+	// so we get this structure initially, and then one of the internal seam vertices is collapsed to the other one:
+	// 0   1-2   3
+	//     5-6
+	//     9-10
+	// 12 13-14 15
+	unsigned int expected[] = {
+	    0, 1, 5,
+	    2, 3, 6,
+	    0, 5, 12,
+	    12, 5, 13,
+	    6, 3, 14,
+	    14, 3, 15, // clang-format :-/
+	};
+
+	unsigned int res[36];
+	float error = 0.f;
+
+	assert(meshopt_simplify(res, ib, 36, vb, 16, 16, 18, 1.f, 0, &error) == 18);
+	assert(memcmp(res, expected, sizeof(expected)) == 0);
+	assert(fabsf(error - 0.22f) < 0.01f); // TODO: this is higher than normal due to border errors?
+
+	float aw = 1;
+	assert(meshopt_simplifyWithAttributes(res, ib, 36, vb, 16, 16, vb + 3, 16, &aw, 1, NULL, 18, 2.f, 0, &error) == 18);
+	assert(memcmp(res, expected, sizeof(expected)) == 0);
+	assert(fabsf(error - 0.49f) < 0.01f); // TODO: this is higher than normal due to merged attributes?
+}
+
 static void adjacency()
 {
 	// 0 1/4
@@ -1556,6 +1628,7 @@ void runTests()
 	simplifyLockFlags();
 	simplifySparse();
 	simplifyErrorAbsolute();
+	simplifySeam();
 
 	adjacency();
 	tessellation();

From e1e41147ca205077e1963f331b47bf6e01c8cba6 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 19 Aug 2024 14:25:17 -0700
Subject: [PATCH 198/581] simplify: Add a more verbose tracing mode for edge
 collapses

This is too noisy for any reasonably sized model but it helps debug
small isolated test cases and unit tests. Ideally we would probably
remove the 'edge eval' (as in a given pass we may evaluate way more
edges than we end up collapsing) but for now since we are not storing
position/attribute errors separately that's the only place where we can
output both errors as well as evaluate bidirectional flips.
---
 src/simplifier.cpp | 32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index a7264ff7cf..30b26a973f 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -914,7 +914,13 @@ static bool hasTriangleFlips(const EdgeAdjacency& adjacency, const Vector3* vert
 
 		// early-out when at least one triangle flips due to a collapse
 		if (hasTriangleFlip(vertex_positions[a], vertex_positions[b], v0, v1))
+		{
+#if TRACE >= 2
+			printf("edge block %d -> %d: flip welded %d %d %d\n", i0, i1, a, i0, b);
+#endif
+
 			return true;
+		}
 	}
 
 	return false;
@@ -1017,6 +1023,10 @@ static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const
 		float ei = quadricError(vertex_quadrics[remap[i0]], vertex_positions[i1]);
 		float ej = quadricError(vertex_quadrics[remap[j0]], vertex_positions[j1]);
 
+#if TRACE >= 2
+		float di = ei, dj = ej;
+#endif
+
 		if (attribute_count)
 		{
 			ei += quadricError(attribute_quadrics[remap[i0]], &attribute_gradients[remap[i0] * attribute_count], attribute_count, vertex_positions[i1], &vertex_attributes[i1 * attribute_count]);
@@ -1027,6 +1037,16 @@ static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const
 		c.v0 = ei <= ej ? i0 : j0;
 		c.v1 = ei <= ej ? i1 : j1;
 		c.error = ei <= ej ? ei : ej;
+
+#if TRACE >= 2
+		if (i0 == j0) // c.bidi has been overwritten
+			printf("edge eval %d -> %d: error %f (pos %f, attr %f)\n", c.v0, c.v1,
+				sqrtf(c.error), sqrtf(ei <= ej ? di : dj), sqrtf(ei <= ej ? ei - di : ej - dj));
+		else
+			printf("edge eval %d -> %d: error %f (pos %f, attr %f); reverse %f (pos %f, attr %f)\n", c.v0, c.v1,
+				sqrtf(ei <= ej ? ei : ej), sqrtf(ei <= ej ? di : dj), sqrtf(ei <= ej ? ei - di : ej - dj),
+				sqrtf(ei <= ej ? ej : ei), sqrtf(ei <= ej ? dj : di), sqrtf(ei <= ej ? ej - dj : ei - di));
+#endif
 	}
 }
 
@@ -1126,6 +1146,10 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 			continue;
 		}
 
+#if TRACE >= 2
+		printf("edge commit %d -> %d: kind %d->%d, error %f\n", i0, i1, vertex_kind[i0], vertex_kind[i1], sqrtf(c.error));
+#endif
+
 		assert(collapse_remap[r0] == r0);
 		assert(collapse_remap[r1] == r1);
 
@@ -1673,6 +1697,10 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 		if (edge_collapse_count == 0)
 			break;
 
+#if TRACE
+		printf("pass %d:%c", int(pass_count++), TRACE >= 2 ? '\n' : ' ');
+#endif
+
 		rankEdgeCollapses(edge_collapses, edge_collapse_count, vertex_positions, vertex_attributes, vertex_quadrics, attribute_quadrics, attribute_gradients, attribute_count, remap);
 
 		sortEdgeCollapses(collapse_order, edge_collapses, edge_collapse_count);
@@ -1684,10 +1712,6 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 
 		memset(collapse_locked, 0, vertex_count);
 
-#if TRACE
-		printf("pass %d: ", int(pass_count++));
-#endif
-
 		size_t collapses = performEdgeCollapses(collapse_remap, collapse_locked, vertex_quadrics, attribute_quadrics, attribute_gradients, attribute_count, edge_collapses, edge_collapse_count, collapse_order, remap, wedge, vertex_kind, vertex_positions, adjacency, triangle_collapse_goal, error_limit, result_error);
 
 		// no edges can be collapsed any more due to hitting the error limit or triangle collapse limit

From 52295951d1fed06e10ad2eaa5f26a68ad9e4e404 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 19 Aug 2024 17:13:58 -0700
Subject: [PATCH 199/581] simplify: Separate attribute quadrics on attribute
 discontinuities

Initial implementation of attribute metric used the same indexing that
we use for positional quadrics, where multiple vertices with the same
position are collapsed into a single element. This is correct and
optimal for positions, but results in problems for attributes when the
vertex is on a seam: two associated vertices carry very different
attributes, and evaluating any attribute against a vertex from an
opposite side of the seam results in a large error. This results in a
suboptimal collapse sequence and an artificially inflated resulting
error.

This was originally difficult to correct since attributes and positions
shared the same quadrics; because we need to separate these anyhow as
the treatment wrt normalization and scaling is different, we can now fix
this which mostly involves carefully indexing the attributes with the
correct, non-remapped index.

When performing a collapse, it's important to correctly aggregate
quadrics for all edges that are being collapsed to maintain correct
error for future collapses. This change does this for seam vertices
(which is the main use case); for now it's unclear what the correct
strategy is for complex vertices and they are not currently used in the
classification so we can leave this as is.

Ideally during ranking we should also take the maximum error from both
sides of the seam; doing this is more computationally intensive and it's
not obvious that it's necessary (as usually the seam construction means
that both sides behave more or less identically). This can be changed in
the future but for now this should suffice.
---
 demo/tests.cpp     |  2 +-
 src/simplifier.cpp | 38 ++++++++++++++++++++++----------------
 2 files changed, 23 insertions(+), 17 deletions(-)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index ddca880dfa..e41754147d 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1407,7 +1407,7 @@ static void simplifySeam()
 	float aw = 1;
 	assert(meshopt_simplifyWithAttributes(res, ib, 36, vb, 16, 16, vb + 3, 16, &aw, 1, NULL, 18, 2.f, 0, &error) == 18);
 	assert(memcmp(res, expected, sizeof(expected)) == 0);
-	assert(fabsf(error - 0.49f) < 0.01f); // TODO: this is higher than normal due to merged attributes?
+	assert(fabsf(error - 0.22f) < 0.01f); // note: this is the same error as above because the attribute is constant on either side of the seam
 }
 
 static void adjacency()
diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 30b26a973f..a2e3cb72c2 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -850,7 +850,7 @@ static void fillEdgeQuadrics(Quadric* vertex_quadrics, const unsigned int* indic
 	}
 }
 
-static void fillAttributeQuadrics(Quadric* attribute_quadrics, QuadricGrad* attribute_gradients, const unsigned int* indices, size_t index_count, const Vector3* vertex_positions, const float* vertex_attributes, size_t attribute_count, const unsigned int* remap)
+static void fillAttributeQuadrics(Quadric* attribute_quadrics, QuadricGrad* attribute_gradients, const unsigned int* indices, size_t index_count, const Vector3* vertex_positions, const float* vertex_attributes, size_t attribute_count)
 {
 	for (size_t i = 0; i < index_count; i += 3)
 	{
@@ -862,14 +862,13 @@ static void fillAttributeQuadrics(Quadric* attribute_quadrics, QuadricGrad* attr
 		QuadricGrad G[kMaxAttributes];
 		quadricFromAttributes(QA, G, vertex_positions[i0], vertex_positions[i1], vertex_positions[i2], &vertex_attributes[i0 * attribute_count], &vertex_attributes[i1 * attribute_count], &vertex_attributes[i2 * attribute_count], attribute_count);
 
-		// TODO: This blends together attribute weights across attribute discontinuities, which is probably not a great idea
-		quadricAdd(attribute_quadrics[remap[i0]], QA);
-		quadricAdd(attribute_quadrics[remap[i1]], QA);
-		quadricAdd(attribute_quadrics[remap[i2]], QA);
+		quadricAdd(attribute_quadrics[i0], QA);
+		quadricAdd(attribute_quadrics[i1], QA);
+		quadricAdd(attribute_quadrics[i2], QA);
 
-		quadricAdd(&attribute_gradients[remap[i0] * attribute_count], G, attribute_count);
-		quadricAdd(&attribute_gradients[remap[i1] * attribute_count], G, attribute_count);
-		quadricAdd(&attribute_gradients[remap[i2] * attribute_count], G, attribute_count);
+		quadricAdd(&attribute_gradients[i0 * attribute_count], G, attribute_count);
+		quadricAdd(&attribute_gradients[i1 * attribute_count], G, attribute_count);
+		quadricAdd(&attribute_gradients[i2 * attribute_count], G, attribute_count);
 	}
 }
 
@@ -1029,8 +1028,9 @@ static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const
 
 		if (attribute_count)
 		{
-			ei += quadricError(attribute_quadrics[remap[i0]], &attribute_gradients[remap[i0] * attribute_count], attribute_count, vertex_positions[i1], &vertex_attributes[i1 * attribute_count]);
-			ej += quadricError(attribute_quadrics[remap[j0]], &attribute_gradients[remap[j0] * attribute_count], attribute_count, vertex_positions[j1], &vertex_attributes[j1 * attribute_count]);
+			// note: ideally we would evaluate max/avg of attribute errors for seam edges, but it's not clear if it's worth the extra cost
+			ei += quadricError(attribute_quadrics[i0], &attribute_gradients[i0 * attribute_count], attribute_count, vertex_positions[i1], &vertex_attributes[i1 * attribute_count]);
+			ej += quadricError(attribute_quadrics[j0], &attribute_gradients[j0 * attribute_count], attribute_count, vertex_positions[j1], &vertex_attributes[j1 * attribute_count]);
 		}
 
 		// pick edge direction with minimal error
@@ -1157,8 +1157,16 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 
 		if (attribute_count)
 		{
-			quadricAdd(attribute_quadrics[r1], attribute_quadrics[r0]);
-			quadricAdd(&attribute_gradients[r1 * attribute_count], &attribute_gradients[r0 * attribute_count], attribute_count);
+			quadricAdd(attribute_quadrics[i1], attribute_quadrics[i0]);
+			quadricAdd(&attribute_gradients[i1 * attribute_count], &attribute_gradients[i0 * attribute_count], attribute_count);
+
+			if (vertex_kind[i0] == Kind_Seam)
+			{
+				unsigned int s0 = wedge[i0], s1 = wedge[i1];
+
+				quadricAdd(attribute_quadrics[s1], attribute_quadrics[s0]);
+				quadricAdd(&attribute_gradients[s1 * attribute_count], &attribute_gradients[s0 * attribute_count], attribute_count);
+			}
 		}
 
 		if (vertex_kind[i0] == Kind_Complex)
@@ -1174,9 +1182,7 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 		else if (vertex_kind[i0] == Kind_Seam)
 		{
 			// remap v0 to v1 and seam pair of v0 to seam pair of v1
-			unsigned int s0 = wedge[i0];
-			unsigned int s1 = wedge[i1];
-
+			unsigned int s0 = wedge[i0], s1 = wedge[i1];
 			assert(s0 != i0 && s1 != i1);
 			assert(wedge[s0] == i0 && wedge[s1] == i1);
 
@@ -1665,7 +1671,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	fillEdgeQuadrics(vertex_quadrics, result, index_count, vertex_positions, remap, vertex_kind, loop, loopback);
 
 	if (attribute_count)
-		fillAttributeQuadrics(attribute_quadrics, attribute_gradients, result, index_count, vertex_positions, vertex_attributes, attribute_count, remap);
+		fillAttributeQuadrics(attribute_quadrics, attribute_gradients, result, index_count, vertex_positions, vertex_attributes, attribute_count);
 
 #if TRACE
 	size_t pass_count = 0;

From e42624de74a49b2e0a33751d2b7e7e5b8b21ec41 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 19 Aug 2024 17:54:54 -0700
Subject: [PATCH 200/581] simplify: Minor refactoring of performEdgeCollapses

To avoid mistakes, extract kind into a variable (we're only concerned
with source vertex kind for classification since that's what determines
the wedges we need to remap), and also add a few comments.

Notably, we probably don't need to worry about attribute quadrics for
complex vertices long term; the intention for complex classification has
been to treat vertices with attributes that are similar enough as one,
so this probably can function similarly to ranking where we're okay with
ignoring the topology somewhat.

Also, while we're here, adjust complex collapses to collapse to i1, not
r1. This code is not used right now but collapsing to r1 feels slightly
wrong since in some cases we'd be collapsing to a vertex that was never
connected to any wedge in the complex.
---
 src/simplifier.cpp | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index a2e3cb72c2..26e46dac7f 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1128,6 +1128,8 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 		unsigned int r0 = remap[i0];
 		unsigned int r1 = remap[i1];
 
+		unsigned char kind = vertex_kind[i0];
+
 		// we don't collapse vertices that had source or target vertex involved in a collapse
 		// it's important to not move the vertices twice since it complicates the tracking/remapping logic
 		// it's important to not move other vertices towards a moved vertex to preserve error since we don't re-rank collapses mid-pass
@@ -1160,8 +1162,10 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 			quadricAdd(attribute_quadrics[i1], attribute_quadrics[i0]);
 			quadricAdd(&attribute_gradients[i1 * attribute_count], &attribute_gradients[i0 * attribute_count], attribute_count);
 
-			if (vertex_kind[i0] == Kind_Seam)
+			// note: this is intentionally missing handling for Kind_Complex; we assume that complex vertices have similar attribute values so just using the primary vertex is fine
+			if (kind == Kind_Seam)
 			{
+				// seam collapses involve two edges so we need to update attribute quadrics for both target vertices; position quadrics are shared
 				unsigned int s0 = wedge[i0], s1 = wedge[i1];
 
 				quadricAdd(attribute_quadrics[s1], attribute_quadrics[s0]);
@@ -1169,17 +1173,18 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 			}
 		}
 
-		if (vertex_kind[i0] == Kind_Complex)
+		if (kind == Kind_Complex)
 		{
+			// remap all vertices in the complex to the target vertex
 			unsigned int v = i0;
 
 			do
 			{
-				collapse_remap[v] = r1;
+				collapse_remap[v] = i1;
 				v = wedge[v];
 			} while (v != i0);
 		}
-		else if (vertex_kind[i0] == Kind_Seam)
+		else if (kind == Kind_Seam)
 		{
 			// remap v0 to v1 and seam pair of v0 to seam pair of v1
 			unsigned int s0 = wedge[i0], s1 = wedge[i1];
@@ -1200,7 +1205,7 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 		collapse_locked[r1] = 1;
 
 		// border edges collapse 1 triangle, other edges collapse 2 or more
-		triangle_collapses += (vertex_kind[i0] == Kind_Border) ? 1 : 2;
+		triangle_collapses += (kind == Kind_Border) ? 1 : 2;
 		edge_collapses++;
 
 		result_error = result_error < c.error ? c.error : result_error;

From d2367d877b236a5e19c943f5803f0486fe907822 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 19 Aug 2024 18:23:20 -0700
Subject: [PATCH 201/581] demo: Adjust simplifySeam test a bit to correct
 border misconceptions

The seam vertices here have Z coordinate that is higher than zero;
because of this, positional errors are not exactly zero. This is a good
thing since it allows us to get a more stable result across fp
environments and algorithm changes. We adjust the data a little bit to
make the bump less pronounced and fix the comments accordingly.
---
 demo/tests.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index e41754147d..02873cf6e4 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1347,12 +1347,12 @@ static void simplifySeam()
 	    0, 1, 0, 1,
 	    0, 2, 0, 1,
 	    1, 0, 0, 0,
-	    1, 1, 1, 0,
-	    1, 1, 1, 1,
+	    1, 1, 0.3f, 0,
+	    1, 1, 0.3f, 1,
 	    1, 2, 0, 1,
 	    2, 0, 0, 0,
-	    2, 1, 0, 0,
-	    2, 1, 0, 1,
+	    2, 1, 0.1f, 0,
+	    2, 1, 0.1f, 1,
 	    2, 2, 0, 1,
 	    3, 0, 0, 0,
 	    3, 1, 0, 0,
@@ -1402,12 +1402,12 @@ static void simplifySeam()
 
 	assert(meshopt_simplify(res, ib, 36, vb, 16, 16, 18, 1.f, 0, &error) == 18);
 	assert(memcmp(res, expected, sizeof(expected)) == 0);
-	assert(fabsf(error - 0.22f) < 0.01f); // TODO: this is higher than normal due to border errors?
+	assert(fabsf(error - 0.04f) < 0.01f); // note: the error is not zero because there is a small difference in height between the seam vertices
 
 	float aw = 1;
 	assert(meshopt_simplifyWithAttributes(res, ib, 36, vb, 16, 16, vb + 3, 16, &aw, 1, NULL, 18, 2.f, 0, &error) == 18);
 	assert(memcmp(res, expected, sizeof(expected)) == 0);
-	assert(fabsf(error - 0.22f) < 0.01f); // note: this is the same error as above because the attribute is constant on either side of the seam
+	assert(fabsf(error - 0.04f) < 0.01f); // note: this is the same error as above because the attribute is constant on either side of the seam
 }
 
 static void adjacency()

From 97fff8238855fd078dca05e48768739ea700c6e0 Mon Sep 17 00:00:00 2001
From: Lukas Herzberger <herzberger.lukas@gmail.com>
Date: Wed, 21 Aug 2024 20:13:04 +0200
Subject: [PATCH 202/581] js: add clusterizer API - implementation

Adds WASM bindings and a new JS API for the clusterizer API.
The JS API consists of
 - buildMeshlets: generates mehslet data and implicitly optimizes the generated meshlets. Returns packed buffers containing raw meshlet data.
 - extractMeshlet: given buffers as returned by buildMeshlets and a meshlet index, returns a meshlet object containing a triangles and vertices array.
 - computeClusterBounds: computes bounds for cluster data not generated by buildMeshlets. Returns an object containing the computed bounding data, except for s8 compressed data.
 - computeMeshletBounds: given buffers as returned by buildMeshlets, computes bounds for all meshlets and returns the computed bounding data, except for s8 compressed data.
Bumps the stack size of WASM modules to 36 kb because computeMeshletBounds and computeClusterBounds require more than the previously allocated 24kb
---
 Makefile                           |  16 +-
 js/index.js                        |   3 +-
 js/index.module.d.ts               |   1 +
 js/index.module.js                 |   1 +
 js/meshopt_clusterizer.js          | 334 +++++++++++++++++++++++++++++
 js/meshopt_clusterizer.module.d.ts |  38 ++++
 js/meshopt_clusterizer.module.js   | 327 ++++++++++++++++++++++++++++
 7 files changed, 717 insertions(+), 3 deletions(-)
 create mode 100644 js/meshopt_clusterizer.js
 create mode 100644 js/meshopt_clusterizer.module.d.ts
 create mode 100644 js/meshopt_clusterizer.module.js

diff --git a/Makefile b/Makefile
index 5c62e88561..56b0032669 100644
--- a/Makefile
+++ b/Makefile
@@ -42,7 +42,7 @@ WASM_FLAGS=--target=wasm32-wasi --sysroot=$(WASIROOT)
 WASM_FLAGS+=-O3 -DNDEBUG -nostartfiles -nostdlib -Wl,--no-entry -Wl,-s
 WASM_FLAGS+=-mcpu=mvp # make sure clang doesn't use post-MVP features like sign extension
 WASM_FLAGS+=-fno-slp-vectorize -fno-vectorize -fno-unroll-loops
-WASM_FLAGS+=-Wl,-z -Wl,stack-size=24576 -Wl,--initial-memory=65536
+WASM_FLAGS+=-Wl,-z -Wl,stack-size=36864 -Wl,--initial-memory=65536
 WASM_EXPORT_PREFIX=-Wl,--export
 
 WASM_DECODER_SOURCES=src/vertexcodec.cpp src/indexcodec.cpp src/vertexfilter.cpp tools/wasmstubs.cpp
@@ -54,6 +54,9 @@ WASM_ENCODER_EXPORTS=meshopt_encodeVertexBuffer meshopt_encodeVertexBufferBound
 WASM_SIMPLIFIER_SOURCES=src/simplifier.cpp src/vfetchoptimizer.cpp tools/wasmstubs.cpp
 WASM_SIMPLIFIER_EXPORTS=meshopt_simplify meshopt_simplifyWithAttributes meshopt_simplifyScale meshopt_simplifyPoints meshopt_optimizeVertexFetchRemap sbrk __wasm_call_ctors
 
+WASM_CLUSTERIZER_SOURCES=src/clusterizer.cpp tools/wasmstubs.cpp
+WASM_CLUSTERIZER_EXPORTS=meshopt_buildMeshletsBound meshopt_buildMeshlets meshopt_computeClusterBounds meshopt_computeMeshletBounds meshopt_optimizeMeshlet sbrk __wasm_call_ctors
+
 ifeq ($(config),iphone)
 	IPHONESDK=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk
 	CFLAGS+=-arch armv7 -arch arm64 -isysroot $(IPHONESDK)
@@ -111,7 +114,7 @@ format:
 formatjs:
 	prettier -w js/*.js gltf/*.js demo/*.html js/*.ts
 
-js: js/meshopt_decoder.js js/meshopt_decoder.module.js js/meshopt_encoder.js js/meshopt_encoder.module.js js/meshopt_simplifier.js js/meshopt_simplifier.module.js
+js: js/meshopt_decoder.js js/meshopt_decoder.module.js js/meshopt_encoder.js js/meshopt_encoder.module.js js/meshopt_simplifier.js js/meshopt_simplifier.module.js js/meshopt_clusterizer.js js/meshopt_clusterizer.module.js
 
 symbols: $(BUILD)/amalgamated.so
 	nm $< -U -g
@@ -151,6 +154,10 @@ build/simplifier.wasm: $(WASM_SIMPLIFIER_SOURCES)
 	@mkdir -p build
 	$(WASMCC) $^ $(WASM_FLAGS) $(patsubst %,$(WASM_EXPORT_PREFIX)=%,$(WASM_SIMPLIFIER_EXPORTS)) -lc -o $@
 
+build/clusterizer.wasm: $(WASM_CLUSTERIZER_SOURCES)
+	@mkdir -p build
+	$(WASMCC) $^ $(WASM_FLAGS) $(patsubst %,$(WASM_EXPORT_PREFIX)=%,$(WASM_CLUSTERIZER_EXPORTS)) -lc -o $@
+
 js/meshopt_decoder.js: build/decoder_base.wasm build/decoder_simd.wasm tools/wasmpack.py
 	sed -i "s#Built with clang.*#Built with $$($(WASMCC) --version | head -n 1 | sed 's/\s\+(.*//')#" $@
 	sed -i "s#Built from meshoptimizer .*#Built from meshoptimizer $$(cat src/meshoptimizer.h | grep -Po '(?<=version )[0-9.]+')#" $@
@@ -167,6 +174,11 @@ js/meshopt_simplifier.js: build/simplifier.wasm tools/wasmpack.py
 	sed -i "s#Built from meshoptimizer .*#Built from meshoptimizer $$(cat src/meshoptimizer.h | grep -Po '(?<=version )[0-9.]+')#" $@
 	sed -i "s#\([\"']\).*\(;\s*//\s*embed! wasm\)#\\1$$(cat build/simplifier.wasm | python3 tools/wasmpack.py)\\1\\2#" $@
 
+js/meshopt_clusterizer.js: build/clusterizer.wasm tools/wasmpack.py
+	sed -i "s#Built with clang.*#Built with $$($(WASMCC) --version | head -n 1 | sed 's/\s\+(.*//')#" $@
+	sed -i "s#Built from meshoptimizer .*#Built from meshoptimizer $$(cat src/meshoptimizer.h | grep -Po '(?<=version )[0-9.]+')#" $@
+	sed -i "s#\([\"']\).*\(;\s*//\s*embed! wasm\)#\\1$$(cat build/clusterizer.wasm | python3 tools/wasmpack.py)\\1\\2#" $@
+
 js/%.module.js: js/%.js
 	sed '\#// export!#q' <$< >$@
 	sed -i "/use strict.;/d" $@
diff --git a/js/index.js b/js/index.js
index fee19c05e7..3ccf99221a 100644
--- a/js/index.js
+++ b/js/index.js
@@ -1,5 +1,6 @@
 const MeshoptEncoder = require('./meshopt_encoder.js');
 const MeshoptDecoder = require('./meshopt_decoder.js');
 const MeshoptSimplifier = require('./meshopt_simplifier.js');
+const MeshoptClusterizer = require('./meshopt_clusterizer');
 
-module.exports = { MeshoptEncoder, MeshoptDecoder, MeshoptSimplifier };
+module.exports = { MeshoptEncoder, MeshoptDecoder, MeshoptSimplifier, MeshoptClusterizer };
diff --git a/js/index.module.d.ts b/js/index.module.d.ts
index 7a44321fef..587a6e5a14 100644
--- a/js/index.module.d.ts
+++ b/js/index.module.d.ts
@@ -1,3 +1,4 @@
 export * from './meshopt_encoder.module';
 export * from './meshopt_decoder.module';
 export * from './meshopt_simplifier.module';
+export * from './meshopt_clusterizer.module';
diff --git a/js/index.module.js b/js/index.module.js
index 48547d90ae..a2bede1100 100644
--- a/js/index.module.js
+++ b/js/index.module.js
@@ -1,3 +1,4 @@
 export * from './meshopt_encoder.module.js';
 export * from './meshopt_decoder.module.js';
 export * from './meshopt_simplifier.module.js';
+export * from './meshopt_clusterizer.module.js';
diff --git a/js/meshopt_clusterizer.js b/js/meshopt_clusterizer.js
new file mode 100644
index 0000000000..03cb89515c
--- /dev/null
+++ b/js/meshopt_clusterizer.js
@@ -0,0 +1,334 @@
+// This file is part of meshoptimizer library and is distributed under the terms of MIT License.
+// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+var MeshoptClusterizer = (function () {
+	// Built with clang version 18.1.2-wasi-sdk
+	// Built from meshoptimizer 0.21
+	var wasm =
+		'b9H79Tebbbe9Rx9Geueu9Geub9Gbb9Giuuueu9Gkuuuuuuuuuu99eu9Gvuuuuueu9Gxuuuuuuuuu9999ueu9Gruuuuuuub9Gkuuuuuuuuuuueu9Gouuuuuub9Giuuub9GluuuubiOHdilvorwDqrkbiibeilve9Weiiviebeoweuec:q:Odkr:Yewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9I919P29K9nW79O2Wt79c9V919U9KbeX9TW79O9V9Wt9F9I919P29K9nW79O2Wt7bd39TW79O9V9Wt9F9J9V9T9W91tWJ2917tWV9c9V919U9K7br39TW79O9V9Wt9F9J9V9T9W91tW9nW79O2Wt9c9V919U9K7bDL9TW79O9V9Wt9F9V9Wt9P9T9P96W9nW79O2Wtbql79IV9RbkDwebcekdsPq:H9kHdbkIbabaec9:fgefcufae9Ugeabci9Uadfcufad9Ugbaeab0Ek;HOlPue99eux998Jjjjjbc:We9Rgk8Kjjjjbakc;mbfcbc;Kbz:njjjb8AakcuaocdtgxaocFFFFi0Egmcbyd:e1jjbHjjjjbbgPBd9makceBd:SeakaPBdnakamcbyd:e1jjbHjjjjbbgsBd9qakcdBd:SeakasBd9eakcualcdtalcFFFFi0Ecbyd:e1jjbHjjjjbbgzBd9uakazBd9iakciBd:SeaPcbaxz:njjjbhHalci9UhOdnalTmbaihPalhAinaHaPydbcdtfgCaCydbcefBdbaPclfhPaAcufgAmbkkdnaoTmbcbhPashAaHhCaohXinaAaPBdbaAclfhAaCydbaPfhPaCclfhCaXcufgXmbkkdnalci6mbcbhPaihAinaAcwfydbhCaAclfydbhXasaAydbcdtfgQaQydbgQcefBdbazaQcdtfaPBdbasaXcdtfgXaXydbgXcefBdbazaXcdtfaPBdbasaCcdtfgCaCydbgCcefBdbazaCcdtfaPBdbaAcxfhAaOaPcefgP9hmbkkdnaoTmbaHhAashPaohCinaPaPydbaAydb9RBdbaAclfhAaPclfhPaCcufgCmbkkakamcbyd:e1jjbHjjjjbbgPBd9yakclBd:SeaPaHaxz:mjjjbhmakaOcbyd:e1jjbHjjjjbbgPBd9CakcvBd:SeaPcbaOz:njjjbhLakcuaOcK2alcjjjjd0Ecbyd:e1jjbHjjjjbbgKBd9GakcoBd:SeJbbbbhYdnalci6g8Ambarcd4hxaihAaKhPaOhrJbbbbhEinavaAclfydbax2cdtfgCIdlh3avaAydbax2cdtfgXIdlhYavaAcwfydbax2cdtfgQIdlh5aCIdwh8EaXIdwh8FaQIdwhaaPaCIdbghaXIdbggMaQIdbg8JMJbbnn:vUdbaPclfaXIdlaCIdlMaQIdlMJbbnn:vUdbaQIdwh8KaCIdwh8LaXIdwh8MaPcxfa3aY:tg3aaa8F:tgaNa5aY:tg5a8Ea8F:tg8EN:tgYJbbbbJbbjZahag:tgha5Na8Jag:tgga3N:tg8Fa8FNaYaYNa8EagNaaahN:tgYaYNMM:rgg:vagJbbbb9BEg3NUdbaPczfaYa3NUdbaPcCfa8Fa3NUdbaPcwfa8Ka8Ma8LMMJbbnn:vUdbaEagMhEaAcxfhAaPcKfhParcufgrmbkaEaO:Z:vJbbbZNhYkakcuaOcdtalcFFFF970Ecbyd:e1jjbHjjjjbbgCBd9KakcrBd:SeaYaD:ZN:rhYdna8AmbcbhPaChAinaAaPBdbaAclfhAaOaPcefgP9hmbkkaYJbbbZNh8MakcuaOcltalcFFFFd0Ecbyd:e1jjbHjjjjbbg8ABd9OakcwBd:Secba8AaKaCaOz:djjjb8Aakaocbyd:e1jjbHjjjjbbgPBd2aPcFeaoz:njjjbhrakc8Wfcwf9cb83ibak9cb83i8WcbhPJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgcbhlinJbbbbh3dnaPTmbJbbjZaP:Z:vh3kaka8Ea3NgaUdaaka5a3NghUd3akaEa3Ng8JUdKJbbbbh3dnagagNaYaYNa8Fa8FNMMg8KJbbbb9BmbJbbjZa8K:r:vh3kakaga3NUd8Saka8Fa3NUdyakaYa3NUd8KakcbBdCdndndnakyd8WgXakydUgAakcKfaeaiakc;abfaKamara8MaqakcCfz:ejjjbgCcuSmbdnaPaD9pmbakydCaAfaw9nmdkaXaAcbaeaiakc;abfaKamara8MJbbbbcbz:ejjjbgCcu9hmekakaaUdzakahUdxaka8JUdwakcuBdlakcFFF;7rBdba8AcbaKaLakcwfakclfakz:fjjjbakydlgCcuSmekdnakc8WfaiaCcx2fgOydbgPaOclfydbgAaOcwfydbgXarabaeadalawaDz:gjjjbTmbalcefhlJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgkamaPcdtfgPaPydbcufBdbamaAcdtfgPaPydbcufBdbamaXcdtfgPaPydbcufBdbcbhXinazasaOaXcdtfydbcdtgAfydbcdtfgxhPaHaAfgvydbgQhAdnaQTmbdninaPydbaCSmeaPclfhPaAcufgATmdxbkkaPaxaQcdtfc98fydbBdbavavydbcufBdbkaXcefgXci9hmbkaKaCcK2fgPIdbh3aPIdlhaaPIdwhhaPIdxh8JaPIdzh8KaPIdCh8LaLaCfce86bbaga8LMhga8Fa8KMh8FaYa8JMhYa8EahMh8Ea5aaMh5aEa3MhEakyd88hPxekkdnaPTmbdnakyd80gAaPci2fgCciGTmbadaCfcbaPaAcu7fciGcefz:njjjb8AkabalcltfgPak8Pi8W83dbaPcwfakc8Wfcwf8Pib83dbalcefhlkcahPdninaPc98Smeakc;mbfaPfydbcbydj1jjbH:bjjjbbaPc98fhPxbkkakc:Wef8Kjjjjbalk;3vivuv99lu8Jjjjjbca9Rgv8Kjjjjbdndnalcw0mbaiydbhoaeabcitfgralcdtcufBdlaraoBdbdnalcd6mbaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkkalabfhrxekcbhDavczfcwfcbBdbav9cb83izavcwfcbBdbav9cb83ibJbbjZhqJbbjZhkinadaiaDcdtfydbcK2fhwcbhrinavczfarfgoawarfIdbgxaoIdbgm:tgPakNamMgmUdbavarfgoaPaxam:tNaoIdbMUdbarclfgrcx9hmbkJbbjZaqJbbjZMgq:vhkaDcefgDal9hmbkcbhoadcbcecdavIdlgxavIdwgm9GEgravIdbgPam9GEaraPax9GEgscdtgrfhzavczfarfIdbhxaihralhwinaiaocdtfgDydbhHaDarydbgOBdbaraHBdbarclfhraoazaOcK2fIdbax9Dfhoawcufgwmbkaeabcitfhrdndnaocv6mbaoalc98f6mekaraiydbBdbaralcdtcufBdlaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkalabfhrxekaraxUdbaeabcitfgrarydlc98GasVBdlabcefaeadaiaoz:djjjbhwararydlciGawabcu7fcdtVBdlawaeadaiaocdtfalao9Rz:djjjbhrkavcaf8Kjjjjbark;eloeue99vue99oue99dndnaembcuhxcvhbxekJbbjZaq:thmaiabcdtfhPavydbhsavydlhzavydwhHcbhOJFFuuhAcvhbcuhxindnasaPaOcdtfydbcdtgvfydbgCTmbaHazavfydbcdtfhvindndndnawalavydbgXcx2fgiclfydbgQfRbbcFeSawaiydbgLfRbbcFeSfawaicwfydbgKfRbbcFeSfgimbcbhYxekdndnaraLcdtfydbceSmbaraQcdtfydbceSmbaraKcdtfydbce9hmekcbhikaiab9pmeaicefhYkdndnadTmbaoaXcK2fgiIdwadIdw:tg8Aa8ANaiIdbadIdb:tg8Aa8ANaiIdladIdl:tg8Aa8ANMM:raD:vamNJbbjZMJ9VO:d86JbbjZaiIdCadIdCNaiIdxadIdxNaiIdzadIdzNMMaqN:tg8Aa8AJ9VO:d869DENh8AxekaraLcdtfydbaraQcdtfydbfaraKcdtfydbfc99f:Zh8AkaXaxaYab6a8AaA9DVgiEhxaYabaiEhba8AaAaiEhAkavclfhvaCcufgCmbkkaOcefgOae9hmbkkdnakTmbakabBdbkaxk;bddlue99dndndnabaecitfgrydlgwciGgDci9hmbarclfhqxekinabcbawcd4gwalaDcdtfIdbabaecitfIdb:tgkJbbbb9FEgDaecefgefadaialavaoz:fjjjbak:laoIdb9FTmdabaDaw7aefgecitfgrydlgwciGgDci9hmbkarclfhqkabaecitfhecuhbindnaiaeydbgDfRbbmbadaDcK2fgrIdwalIdw:tgkakNarIdbalIdb:tgkakNarIdlalIdl:tgkakNMM:rgkaoIdb9DTmbaoakUdbavaDBdbaqydbhwkaecwfheabcefgbawcd46mbkkk;yleoudnaladfgkRbbcFeSalaefgxRbbgmcFeSfabydwgPfalaifgsRbbcFeSfaD0abydxaq9pVgzce9hmbavawcltfgmab8Pdb83dbamcwfabcwfgm8Pdb83dbdndnamydbmbcbhqxekcbhDaohminalamabydbcdtfydbfcFe86bbamclfhmaDcefgDabydwgq6mbkkdnabydxglci2gDabydlgmfgPciGTmbaraPfcbalamcu7fciGcefz:njjjb8Aabydxci2hDabydlhmabydwhqkab9cb83dwababydbaqfBdbabaDcifc98GamfBdlaxRbbhmcbhPkdnamcFeGcFe9hmbaxaP86bbababydwgmcefBdwaoabydbcdtfamcdtfaeBdbkdnakRbbcFe9hmbakabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfadBdbkdnasRbbcFe9hmbasabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfaiBdbkarabydlfabydxci2faxRbb86bbarabydlfabydxci2fcefakRbb86bbarabydlfabydxci2fcdfasRbb86bbababydxcefBdxazk;Ckovud99euv99eul998Jjjjjbc:G;ae9Rgo8KjjjjbdndnadTmbavcd4hrcbhwcbhDindnaiaeclfydbar2cdtfgvIdbaiaeydbar2cdtfgqIdbgk:tgxaiaecwfydbar2cdtfgmIdlaqIdlgP:tgsNamIdbak:tgzavIdlaP:tgPN:tgkakNaPamIdwaqIdwgH:tgONasavIdwaH:tgHN:tgPaPNaHazNaOaxN:tgxaxNMM:rgsJbbbb9Bmbaoc:G:qefawcx2fgAakas:vUdwaAaxas:vUdlaAaPas:vUdbaocafawc8K2fgAaq8Pdb83dbaAav8Pdb83dxaAam8Pdb83dKaAcwfaqcwfydbBdbaAcCfavcwfydbBdbaAcafamcwfydbBdbawcefhwkaecxfheaDcifgDad6mbkab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbawTmeao9cb83iKao9cb83izaoczfaocafawci2z1jjjbaoIdKhCaoIdChXaoIdzhQao9cb83iwao9cb83ibaoaoc:G:qefawz1jjjbJbbjZhkaoIdwgPJbbbbJbbjZaPaPNaoIdbgPaPNaoIdlgsasNMM:rgx:vaxJbbbb9BEgzNhxasazNhsaPazNhzaoc:G:qefheawhvinaecwfIdbaxNaeIdbazNasaeclfIdbNMMgPakaPak9DEhkaecxfheavcufgvmbkabaCUdwabaXUdlabaQUdbabaoId3UdxdndnakJ;n;m;m899FmbJbbbbhPaoc:G:qefheaocafhvinaCavcwfIdb:taecwfIdbgHNaQavIdb:taeIdbgONaXavclfIdb:taeclfIdbgLNMMaxaHNazaONasaLNMM:vgHaPaHaP9EEhPavc8KfhvaecxfheawcufgwmbkabazUd3abc8KfaxUdbabcafasUdbabcKfaCaxaPN:tUdbabcCfaXasaPN:tUdbabaQazaPN:tUdzabJbbjZakakN:t:rgkUdydndnaxJbbj:;axJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;axJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohexekcjjjj94hekabc8Ufae86bbdndnasJbbj:;asJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;asJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohvxekcjjjj94hvkabcRfav86bbdndnazJbbj:;azJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;azJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohqxekcjjjj94hqkabaq86b8SdndnaecKtcK91:YJbb;:9c:vax:t:lavcKtcK91:YJbb;:9c:vas:t:laqcKtcK91:YJbb;:9c:vaz:t:lakMMMJbb;:9cNJbbjZMgk:lJbbb9p9DTmbak:Ohexekcjjjj94hekaecFbaecFb9iEhexekabcjjj;8iBdycFbhekabae86b8Vxekab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbkaoc:G;aef8Kjjjjbk:mvdouq99cbhi8Jjjjjbca9RglczfcwfcbBdbal9cb83izalcwfcbBdbal9cb83ibdnadTmbcbhvinaeaifhocbhrinalczfarfgwavawydbgwaoarfIdbgDaearawcx2ffIdb9DEBdbalarfgwavawydbgwaDaearawcx2ffIdb9EEBdbarclfgrcx9hmbkaicxfhiavcefgvad9hmbkkJbbbbhDcbhrcbhicbhvinaealarfydbcx2fgwIdwaealczfarfydbcx2fgoIdw:tgqaqNawIdbaoIdb:tgqaqNawIdlaoIdl:tgqaqNMMgqaDaqaD9EgwEhDavaiawEhiarclfhravcefgvci9hmbkaealczfaicdtgvfydbcx2fgrIdwaealavfydbcx2fglIdwMJbbbZNhqarIdlalIdlMJbbbZNhkarIdbalIdbMJbbbZNhxaD:rJbbbZNhDdnadTmbindnaecwfIdbgmaq:tgPaPNaeIdbgsax:tgPaPNaeclfIdbgzak:tgPaPNMMgPaDaDN9ETmbaqaDaP:rgH:vJbbbZNJbbbZMgPNamJbbjZaP:tgONMhqakaPNazaONMhkaxaPNasaONMhxaDaHMJbbbZNhDkaecxfheadcufgdmbkkabaDUdxabaqUdwabakUdlabaxUdbkjeeiu8Jjjjjbcj8W9Rgr8Kjjjjbaici2hwdnaiTmbawceawce0EhDarhiinaiaeadRbbcdtfydbBdbadcefhdaiclfhiaDcufgDmbkkabarawaladaoz:hjjjbarcj8Wf8Kjjjjbk:Ylequ8Jjjjjbcjx9Rgl8Kjjjjbcbhvalcjqfcbaiz:njjjb8AdndnadTmbcjehoaehrincuhwarhDcuhqavhkdninawakaoalcjqfaDcefRbbfRbb9RcFeGci6aoalcjqfaDRbbfRbb9RcFeGci6faoalcjqfaDcdfRbbfRbb9RcFeGci6fgxaq9mgmEhwdnammbaxce0mdkaxaqaxaq9kEhqaDcifhDadakcefgk9hmbkkaeawci2fgDcdfRbbhqaDcefRbbhxaDRbbhkaeavci2fgDcifaDawav9Rci2z:qjjjb8Aakalcjqffaocefgo86bbaxalcjqffao86bbaDcdfaq86bbaDcefax86bbaDak86bbaqalcjqffao86bbarcifhravcefgvad9hmbkalcFeaiz:njjjbhoadci2gDceaDce0EhqcbhxindnaoaeRbbgkfgwRbbgDcFe9hmbawax86bbaocjdfaxcdtfabakcdtfydbBdbaxhDaxcefhxkaeaD86bbaecefheaqcufgqmbkaxcdthDxekcbhDkabalcjdfaDz:mjjjb8Aalcjxf8Kjjjjbk9teiucbcbyd11jjbgeabcifc98GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd11jjbgeabcrfc94GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd11jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd11jjbfgdBd11jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk:;Deludndndnadch9pmbabaeSmdaeabadfgi9Rcbadcet9R0mekabaead;8qbbxekaeab7ciGhldndndnabae9pmbdnalTmbadhvabhixikdnabciGmbadhvabhixdkadTmiabaeRbb86bbadcufhvdnabcefgiciGmbaecefhexdkavTmiabaeRbe86beadc9:fhvdnabcdfgiciGmbaecdfhexdkavTmiabaeRbd86bdadc99fhvdnabcifgiciGmbaecifhexdkavTmiabaeRbi86biabclfhiaeclfheadc98fhvxekdnalmbdnaiciGTmbadTmlabadcufgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc9:fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc99fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc98fgdfaeadfRbb86bbkadcl6mbdnadc98fgocd4cefciGgiTmbaec98fhlabc98fhvinavadfaladfydbBdbadc98fhdaicufgimbkkaocx6mbaec9Wfhvabc9WfhoinaoadfgicxfavadfglcxfydbBdbaicwfalcwfydbBdbaiclfalclfydbBdbaialydbBdbadc9Wfgdci0mbkkadTmdadhidnadciGglTmbaecufhvabcufhoadhiinaoaifavaifRbb86bbaicufhialcufglmbkkadcl6mdaec98fhlabc98fhvinavaifgecifalaifgdcifRbb86bbaecdfadcdfRbb86bbaecefadcefRbb86bbaeadRbb86bbaic98fgimbxikkavcl6mbdnavc98fglcd4cefcrGgdTmbavadcdt9RhvinaiaeydbBdbaeclfheaiclfhiadcufgdmbkkalc36mbinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaiaeydzBdzaiaeydCBdCaiaeydKBdKaiaeyd3Bd3aecafheaicafhiavc9Gfgvci0mbkkavTmbdndnavcrGgdmbavhlxekavc94GhlinaiaeRbb86bbaicefhiaecefheadcufgdmbkkavcw6mbinaiaeRbb86bbaiaeRbe86beaiaeRbd86bdaiaeRbi86biaiaeRbl86blaiaeRbv86bvaiaeRbo86boaiaeRbr86braicwfhiaecwfhealc94fglmbkkabkkAebcjwkxebbbdbbbzNbb'; // embed! wasm
+
+	var wasmpack = new Uint8Array([
+		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
+		24, 23, 146, 148, 18, 14, 22, 45, 70, 69, 56, 114, 101, 21, 25, 63, 75, 136, 108, 28, 118, 29, 73, 115,
+	]);
+
+	if (typeof WebAssembly !== 'object') {
+		return {
+			supported: false,
+		};
+	}
+
+	var instance;
+
+	var ready = WebAssembly.instantiate(unpack(wasm), {}).then(function (result) {
+		instance = result.instance;
+		instance.exports.__wasm_call_ctors();
+	});
+
+	function unpack(data) {
+		var result = new Uint8Array(data.length);
+		for (var i = 0; i < data.length; ++i) {
+			var ch = data.charCodeAt(i);
+			result[i] = ch > 96 ? ch - 97 : ch > 64 ? ch - 39 : ch + 4;
+		}
+		var write = 0;
+		for (var i = 0; i < data.length; ++i) {
+			result[write++] = result[i] < 60 ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i];
+		}
+		return result.buffer.slice(0, write);
+	}
+
+	function assert(cond) {
+		if (!cond) {
+			throw new Error('Assertion failed');
+		}
+	}
+
+	function bytes(view) {
+		return new Uint8Array(view.buffer, view.byteOffset, view.byteLength);
+	}
+
+	function index32(source) {
+		var size = source.BYTES_PER_ELEMENT;
+		assert(size === 2 || size === 4);
+		if (size === 4) {
+			return new Uint32Array(source.buffer, source.byteOffset, source.byteLength / 4);
+		} else {
+			var view = new Uint16Array(source.buffer, source.byteOffset, source.byteLength / 2);
+			return new Uint32Array(view); // copies each element
+		}
+	}
+
+	var BOUNDS_SIZE = 48;
+	var MESHLET_VERTEX_SIZE = Uint32Array.BYTES_PER_ELEMENT;
+
+	function buildMeshletsBound(index_count, max_vertices, max_triangles) {
+		return instance.exports.meshopt_buildMeshletsBound(index_count, max_vertices, max_triangles);
+	}
+
+	function extractMeshlet(buffers, index) {
+		var meshletOffset = index * 4;
+		var vertexOffset = buffers.meshlets[meshletOffset];
+		var triangleOffset = buffers.meshlets[meshletOffset + 1];
+		var vertexCount = buffers.meshlets[meshletOffset + 2];
+		var triangleCount = buffers.meshlets[meshletOffset + 3];
+
+		return {
+			vertices: buffers.vertices.subarray(vertexOffset, vertexOffset + vertexCount),
+			triangles: buffers.triangles.subarray(triangleOffset, triangleOffset + triangleCount * 3),
+		}
+	}
+
+	function buildMeshlets(indices,
+						   vertex_count,
+						   max_vertices,
+						   max_triangles,
+						   cone_weight,
+						   vertex_positions,
+						   vertex_positions_stride) {
+		var max_meshlets = buildMeshletsBound(indices.length, max_vertices, max_triangles);
+
+		var sbrk = instance.exports.sbrk;
+
+		var meshletSize = 4 * Uint32Array.BYTES_PER_ELEMENT;
+		var meshletTriangleSize = 3;
+
+		// allocate memory
+		var meshletsp = sbrk(max_meshlets * meshletSize);
+		var meshlet_verticesp = sbrk(max_meshlets * max_vertices * MESHLET_VERTEX_SIZE);
+		var meshlet_trianglesp = sbrk(max_meshlets * max_triangles * meshletTriangleSize);
+
+		var indicesp = sbrk(indices.byteLength);
+		var verticesp = sbrk(vertex_positions.byteLength);
+
+		// copy input data to wasm memory
+		var heap = new Uint8Array(instance.exports.memory.buffer);
+		heap.set(bytes(indices), indicesp);
+		heap.set(bytes(vertex_positions), verticesp);
+
+		var meshletCount = instance.exports.meshopt_buildMeshlets(
+			meshletsp,
+			meshlet_verticesp,
+			meshlet_trianglesp,
+			indicesp,
+			indices.length,
+			verticesp,
+			vertex_count,
+			vertex_positions_stride,
+			max_vertices,
+			max_triangles,
+			cone_weight
+		);
+
+		// heap might (will?) have grown -> re-acquire
+		heap = new Uint8Array(instance.exports.memory.buffer);
+
+		var meshletBytes = heap.subarray(meshletsp, meshletsp + meshletCount * meshletSize);
+		var meshlets = new Uint32Array(meshletBytes.buffer, meshletBytes.byteOffset, meshletBytes.byteLength / Uint32Array.BYTES_PER_ELEMENT).slice();
+
+		for (var i = 0; i < meshletCount; ++i) {
+			var meshletOffset = i * 4;
+			var vertexOffset = meshlets[meshletOffset];
+			var triangleOffset = meshlets[meshletOffset + 1];
+			var vertexCount = meshlets[meshletOffset + 2];
+			var triangleCount = meshlets[meshletOffset + 3];
+
+			instance.exports.meshopt_optimizeMeshlet(
+				meshlet_verticesp + vertexOffset * Uint32Array.BYTES_PER_ELEMENT,
+				meshlet_trianglesp + triangleOffset,
+				triangleCount,
+				vertexCount
+			);
+		}
+
+		// heap might have grown? -> re-acquire
+		heap = new Uint8Array(instance.exports.memory.buffer);
+
+		var lastMeshletIndex = (meshletCount - 1) * 4;
+		var meshletVertexCount = meshlets[lastMeshletIndex] + meshlets[lastMeshletIndex + 2];
+		var meshletTriangleCount = meshlets[lastMeshletIndex + 1] + meshlets[lastMeshletIndex + 3];
+
+		var meshletVerticesBytes = heap.subarray(meshlet_verticesp, meshlet_verticesp + meshletVertexCount * MESHLET_VERTEX_SIZE);
+		var meshletTriangles = heap.subarray(meshlet_trianglesp, meshlet_trianglesp + ((meshletTriangleCount * 3 + 3) & ~3) * meshletTriangleSize);
+
+		// populate result arrays
+		var result = {
+			meshlets: meshlets,
+			vertices: new Uint32Array(meshletVerticesBytes.buffer, meshletVerticesBytes.byteOffset, meshletVerticesBytes.byteLength / Uint32Array.BYTES_PER_ELEMENT).slice(),
+			triangles: new Uint8Array(meshletTriangles.buffer, meshletTriangles.byteOffset, meshletTriangles.byteLength).slice(),
+			meshletCount: meshletCount
+		};
+
+		// reset memory
+		sbrk(meshletsp - sbrk(0));
+
+		return result;
+	}
+
+	function extractBounds(boundsp) {
+		var heap = new Uint8Array(instance.exports.memory.buffer);
+
+		var s8DataSize = 4;
+		var boundsBytes = heap.subarray(boundsp, boundsp + BOUNDS_SIZE - s8DataSize);
+		var boundsFloats = new Float32Array(boundsBytes.buffer, boundsBytes.byteOffset, 11);
+
+		return {
+			centerX: boundsFloats[0],
+			centerY: boundsFloats[1],
+			centerZ: boundsFloats[2],
+			radius: boundsFloats[3],
+			coneApexX: boundsFloats[4],
+			coneApexY: boundsFloats[5],
+			coneApexZ: boundsFloats[6],
+			coneAxisX: boundsFloats[7],
+			coneAxisY: boundsFloats[8],
+			coneAxisZ: boundsFloats[9],
+			coneCutoff: boundsFloats[10]
+		};
+	}
+
+	function computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride) {
+		assert(buffers.meshletCount !== 0);
+		assert(vertex_positions.byteLength % vertex_positions_stride === 0);
+		var vertex_count = vertex_positions.byteLength / vertex_positions_stride;
+
+		var sbrk = instance.exports.sbrk;
+
+		var results = [];
+
+		// allocate memory that's constant for all meshlets
+		var verticesp = sbrk(vertex_positions.byteLength);
+		var meshlet_verticesp = sbrk(buffers.vertices.byteLength);
+		var meshlet_trianglesp = sbrk(buffers.triangles.byteLength);
+		var resultp = sbrk(BOUNDS_SIZE);
+
+		// copy vertices to wasm memory
+		var heap = new Uint8Array(instance.exports.memory.buffer);
+		heap.set(bytes(vertex_positions), verticesp);
+		heap.set(bytes(buffers.vertices), meshlet_verticesp);
+		heap.set(bytes(buffers.triangles), meshlet_trianglesp);
+
+		for (var i = 0; i < buffers.meshletCount; ++i) {
+			var meshletOffset = i * 4;
+			var vertexOffset = buffers.meshlets[meshletOffset];
+			var triangleOffset = buffers.meshlets[meshletOffset + 1];
+			var triangleCount = buffers.meshlets[meshletOffset + 3];
+
+			instance.exports.meshopt_computeMeshletBounds(
+				resultp,
+				meshlet_verticesp + vertexOffset * Uint32Array.BYTES_PER_ELEMENT,
+				meshlet_trianglesp + triangleOffset,
+				triangleCount,
+				verticesp,
+				vertex_count,
+				vertex_positions_stride
+			);
+
+			results.push(extractBounds(resultp));
+		}
+
+		// reset memory
+		sbrk(verticesp - sbrk(0));
+
+		return results.length > 1 ? results : results[0];
+	}
+
+	function computeClusterBounds(indices, vertex_positions, vertex_positions_stride) {
+		assert(vertex_positions.byteLength % vertex_positions_stride === 0);
+		var vertex_count = vertex_positions.byteLength / vertex_positions_stride;
+
+		var sbrk = instance.exports.sbrk;
+
+		// allocate memory
+		var resultp = sbrk(BOUNDS_SIZE);
+		var indicesp = sbrk(indices.byteLength);
+		var verticesp = sbrk(vertex_positions.byteLength);
+
+		// copy input data to wasm memory
+		var heap = new Uint8Array(instance.exports.memory.buffer);
+		heap.set(bytes(indices), indicesp);
+		heap.set(bytes(vertex_positions), verticesp);
+
+		instance.exports.meshopt_computeClusterBounds(
+			resultp,
+			indicesp,
+			indices.length,
+			verticesp,
+			vertex_count,
+			vertex_positions_stride
+		);
+
+		var result = extractBounds(resultp);
+
+		// reset memory
+		sbrk(resultp - sbrk(0));
+
+		return result;
+	}
+
+	return {
+		ready: ready,
+		supported: true,
+		buildMeshlets: function (indices,
+								 vertex_positions,
+								 vertex_positions_stride,
+								 max_vertices,
+								 max_triangles,
+								 cone_weight) {
+			assert(vertex_positions.length % vertex_positions_stride === 0);
+			assert(max_vertices <= 255 || max_vertices > 0);
+			assert(max_triangles <= 512);
+			assert(max_triangles % 4 === 0);
+
+			var vertex_count = vertex_positions.length / vertex_positions_stride;
+			cone_weight = cone_weight || 0.0;
+
+			return buildMeshlets(
+				index32(indices),
+				vertex_count,
+				max_vertices,
+				max_triangles,
+				cone_weight,
+				vertex_positions,
+				vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT
+			);
+		},
+		computeClusterBounds: function (indices,
+										vertex_positions,
+										vertex_positions_stride) {
+			assert(vertex_positions.length % vertex_positions_stride === 0);
+
+			var ind32 = index32(indices);
+
+			assert(ind32.length / 3 <= 512);
+			assert(ind32.length % 3 === 0);
+
+			return computeClusterBounds(
+				index32(indices),
+				vertex_positions,
+				vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT
+			);
+		},
+		computeMeshletBounds: function (buffers,
+										vertex_positions,
+										vertex_positions_stride) {
+			return computeMeshletBounds(
+				buffers,
+				vertex_positions,
+				vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT
+			);
+		},
+		extractMeshlet: function (buffers, index) {
+			assert(index >= 0 && index < buffers.meshletCount);
+			return extractMeshlet(buffers, index);
+		}
+	};
+})();
+
+// export! MeshoptClusterizer
+if (typeof exports === 'object' && typeof module === 'object') module.exports = MeshoptClusterizer;
+else if (typeof define === 'function' && define['amd'])
+	define([], function () {
+		return MeshoptClusterizer;
+	});
+else if (typeof exports === 'object') exports['MeshoptClusterizer'] = MeshoptClusterizer;
+else (typeof self !== 'undefined' ? self : this).MeshoptClusterizer = MeshoptClusterizer;
diff --git a/js/meshopt_clusterizer.module.d.ts b/js/meshopt_clusterizer.module.d.ts
new file mode 100644
index 0000000000..73ebd5c102
--- /dev/null
+++ b/js/meshopt_clusterizer.module.d.ts
@@ -0,0 +1,38 @@
+// This file is part of meshoptimizer library and is distributed under the terms of MIT License.
+// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+
+export class Bounds {
+	centerX: number;
+	centerY: number;
+	centerZ: number;
+	radius: number;
+	coneApexX: number;
+	coneApexY: number;
+	coneApexZ: number;
+	coneAxisX: number;
+	coneAxisY: number;
+	coneAxisZ: number;
+	coneCutoff: number;
+}
+
+export class MeshletBuffers {
+	meshlets: Uint32Array;
+	vertices: Uint32Array;
+	triangles: Uint8Array;
+	meshletCount: number;
+}
+
+export class Meshlet {
+	vertices: Uint32Array;
+	triangles: Uint8Array;
+}
+
+export const MeshoptClusterizer: {
+	supported: boolean;
+	ready: Promise<void>;
+
+	buildMeshlets: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, max_vertices: number, max_triangles: number, cone_weight?: number) => MeshletBuffers;
+	computeClusterBounds: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number) => Bounds;
+	computeMeshletBounds: (buffers: MeshletBuffers, vertex_positions: Float32Array, vertex_positions_stride: number) => Bounds | Bounds[];
+	extractMeshlet: (buffers: MeshletBuffers, index: number) => Meshlet;
+};
diff --git a/js/meshopt_clusterizer.module.js b/js/meshopt_clusterizer.module.js
new file mode 100644
index 0000000000..3f3dbe88da
--- /dev/null
+++ b/js/meshopt_clusterizer.module.js
@@ -0,0 +1,327 @@
+// This file is part of meshoptimizer library and is distributed under the terms of MIT License.
+// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+var MeshoptClusterizer = (function () {
+	// Built with clang version 18.1.2-wasi-sdk
+	// Built from meshoptimizer 0.21
+	var wasm =
+		'b9H79Tebbbe9Rx9Geueu9Geub9Gbb9Giuuueu9Gkuuuuuuuuuu99eu9Gvuuuuueu9Gxuuuuuuuuu9999ueu9Gruuuuuuub9Gkuuuuuuuuuuueu9Gouuuuuub9Giuuub9GluuuubiOHdilvorwDqrkbiibeilve9Weiiviebeoweuec:q:Odkr:Yewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9I919P29K9nW79O2Wt79c9V919U9KbeX9TW79O9V9Wt9F9I919P29K9nW79O2Wt7bd39TW79O9V9Wt9F9J9V9T9W91tWJ2917tWV9c9V919U9K7br39TW79O9V9Wt9F9J9V9T9W91tW9nW79O2Wt9c9V919U9K7bDL9TW79O9V9Wt9F9V9Wt9P9T9P96W9nW79O2Wtbql79IV9RbkDwebcekdsPq:H9kHdbkIbabaec9:fgefcufae9Ugeabci9Uadfcufad9Ugbaeab0Ek;HOlPue99eux998Jjjjjbc:We9Rgk8Kjjjjbakc;mbfcbc;Kbz:njjjb8AakcuaocdtgxaocFFFFi0Egmcbyd:e1jjbHjjjjbbgPBd9makceBd:SeakaPBdnakamcbyd:e1jjbHjjjjbbgsBd9qakcdBd:SeakasBd9eakcualcdtalcFFFFi0Ecbyd:e1jjbHjjjjbbgzBd9uakazBd9iakciBd:SeaPcbaxz:njjjbhHalci9UhOdnalTmbaihPalhAinaHaPydbcdtfgCaCydbcefBdbaPclfhPaAcufgAmbkkdnaoTmbcbhPashAaHhCaohXinaAaPBdbaAclfhAaCydbaPfhPaCclfhCaXcufgXmbkkdnalci6mbcbhPaihAinaAcwfydbhCaAclfydbhXasaAydbcdtfgQaQydbgQcefBdbazaQcdtfaPBdbasaXcdtfgXaXydbgXcefBdbazaXcdtfaPBdbasaCcdtfgCaCydbgCcefBdbazaCcdtfaPBdbaAcxfhAaOaPcefgP9hmbkkdnaoTmbaHhAashPaohCinaPaPydbaAydb9RBdbaAclfhAaPclfhPaCcufgCmbkkakamcbyd:e1jjbHjjjjbbgPBd9yakclBd:SeaPaHaxz:mjjjbhmakaOcbyd:e1jjbHjjjjbbgPBd9CakcvBd:SeaPcbaOz:njjjbhLakcuaOcK2alcjjjjd0Ecbyd:e1jjbHjjjjbbgKBd9GakcoBd:SeJbbbbhYdnalci6g8Ambarcd4hxaihAaKhPaOhrJbbbbhEinavaAclfydbax2cdtfgCIdlh3avaAydbax2cdtfgXIdlhYavaAcwfydbax2cdtfgQIdlh5aCIdwh8EaXIdwh8FaQIdwhaaPaCIdbghaXIdbggMaQIdbg8JMJbbnn:vUdbaPclfaXIdlaCIdlMaQIdlMJbbnn:vUdbaQIdwh8KaCIdwh8LaXIdwh8MaPcxfa3aY:tg3aaa8F:tgaNa5aY:tg5a8Ea8F:tg8EN:tgYJbbbbJbbjZahag:tgha5Na8Jag:tgga3N:tg8Fa8FNaYaYNa8EagNaaahN:tgYaYNMM:rgg:vagJbbbb9BEg3NUdbaPczfaYa3NUdbaPcCfa8Fa3NUdbaPcwfa8Ka8Ma8LMMJbbnn:vUdbaEagMhEaAcxfhAaPcKfhParcufgrmbkaEaO:Z:vJbbbZNhYkakcuaOcdtalcFFFF970Ecbyd:e1jjbHjjjjbbgCBd9KakcrBd:SeaYaD:ZN:rhYdna8AmbcbhPaChAinaAaPBdbaAclfhAaOaPcefgP9hmbkkaYJbbbZNh8MakcuaOcltalcFFFFd0Ecbyd:e1jjbHjjjjbbg8ABd9OakcwBd:Secba8AaKaCaOz:djjjb8Aakaocbyd:e1jjbHjjjjbbgPBd2aPcFeaoz:njjjbhrakc8Wfcwf9cb83ibak9cb83i8WcbhPJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgcbhlinJbbbbh3dnaPTmbJbbjZaP:Z:vh3kaka8Ea3NgaUdaaka5a3NghUd3akaEa3Ng8JUdKJbbbbh3dnagagNaYaYNa8Fa8FNMMg8KJbbbb9BmbJbbjZa8K:r:vh3kakaga3NUd8Saka8Fa3NUdyakaYa3NUd8KakcbBdCdndndnakyd8WgXakydUgAakcKfaeaiakc;abfaKamara8MaqakcCfz:ejjjbgCcuSmbdnaPaD9pmbakydCaAfaw9nmdkaXaAcbaeaiakc;abfaKamara8MJbbbbcbz:ejjjbgCcu9hmekakaaUdzakahUdxaka8JUdwakcuBdlakcFFF;7rBdba8AcbaKaLakcwfakclfakz:fjjjbakydlgCcuSmekdnakc8WfaiaCcx2fgOydbgPaOclfydbgAaOcwfydbgXarabaeadalawaDz:gjjjbTmbalcefhlJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgkamaPcdtfgPaPydbcufBdbamaAcdtfgPaPydbcufBdbamaXcdtfgPaPydbcufBdbcbhXinazasaOaXcdtfydbcdtgAfydbcdtfgxhPaHaAfgvydbgQhAdnaQTmbdninaPydbaCSmeaPclfhPaAcufgATmdxbkkaPaxaQcdtfc98fydbBdbavavydbcufBdbkaXcefgXci9hmbkaKaCcK2fgPIdbh3aPIdlhaaPIdwhhaPIdxh8JaPIdzh8KaPIdCh8LaLaCfce86bbaga8LMhga8Fa8KMh8FaYa8JMhYa8EahMh8Ea5aaMh5aEa3MhEakyd88hPxekkdnaPTmbdnakyd80gAaPci2fgCciGTmbadaCfcbaPaAcu7fciGcefz:njjjb8AkabalcltfgPak8Pi8W83dbaPcwfakc8Wfcwf8Pib83dbalcefhlkcahPdninaPc98Smeakc;mbfaPfydbcbydj1jjbH:bjjjbbaPc98fhPxbkkakc:Wef8Kjjjjbalk;3vivuv99lu8Jjjjjbca9Rgv8Kjjjjbdndnalcw0mbaiydbhoaeabcitfgralcdtcufBdlaraoBdbdnalcd6mbaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkkalabfhrxekcbhDavczfcwfcbBdbav9cb83izavcwfcbBdbav9cb83ibJbbjZhqJbbjZhkinadaiaDcdtfydbcK2fhwcbhrinavczfarfgoawarfIdbgxaoIdbgm:tgPakNamMgmUdbavarfgoaPaxam:tNaoIdbMUdbarclfgrcx9hmbkJbbjZaqJbbjZMgq:vhkaDcefgDal9hmbkcbhoadcbcecdavIdlgxavIdwgm9GEgravIdbgPam9GEaraPax9GEgscdtgrfhzavczfarfIdbhxaihralhwinaiaocdtfgDydbhHaDarydbgOBdbaraHBdbarclfhraoazaOcK2fIdbax9Dfhoawcufgwmbkaeabcitfhrdndnaocv6mbaoalc98f6mekaraiydbBdbaralcdtcufBdlaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkalabfhrxekaraxUdbaeabcitfgrarydlc98GasVBdlabcefaeadaiaoz:djjjbhwararydlciGawabcu7fcdtVBdlawaeadaiaocdtfalao9Rz:djjjbhrkavcaf8Kjjjjbark;eloeue99vue99oue99dndnaembcuhxcvhbxekJbbjZaq:thmaiabcdtfhPavydbhsavydlhzavydwhHcbhOJFFuuhAcvhbcuhxindnasaPaOcdtfydbcdtgvfydbgCTmbaHazavfydbcdtfhvindndndnawalavydbgXcx2fgiclfydbgQfRbbcFeSawaiydbgLfRbbcFeSfawaicwfydbgKfRbbcFeSfgimbcbhYxekdndnaraLcdtfydbceSmbaraQcdtfydbceSmbaraKcdtfydbce9hmekcbhikaiab9pmeaicefhYkdndnadTmbaoaXcK2fgiIdwadIdw:tg8Aa8ANaiIdbadIdb:tg8Aa8ANaiIdladIdl:tg8Aa8ANMM:raD:vamNJbbjZMJ9VO:d86JbbjZaiIdCadIdCNaiIdxadIdxNaiIdzadIdzNMMaqN:tg8Aa8AJ9VO:d869DENh8AxekaraLcdtfydbaraQcdtfydbfaraKcdtfydbfc99f:Zh8AkaXaxaYab6a8AaA9DVgiEhxaYabaiEhba8AaAaiEhAkavclfhvaCcufgCmbkkaOcefgOae9hmbkkdnakTmbakabBdbkaxk;bddlue99dndndnabaecitfgrydlgwciGgDci9hmbarclfhqxekinabcbawcd4gwalaDcdtfIdbabaecitfIdb:tgkJbbbb9FEgDaecefgefadaialavaoz:fjjjbak:laoIdb9FTmdabaDaw7aefgecitfgrydlgwciGgDci9hmbkarclfhqkabaecitfhecuhbindnaiaeydbgDfRbbmbadaDcK2fgrIdwalIdw:tgkakNarIdbalIdb:tgkakNarIdlalIdl:tgkakNMM:rgkaoIdb9DTmbaoakUdbavaDBdbaqydbhwkaecwfheabcefgbawcd46mbkkk;yleoudnaladfgkRbbcFeSalaefgxRbbgmcFeSfabydwgPfalaifgsRbbcFeSfaD0abydxaq9pVgzce9hmbavawcltfgmab8Pdb83dbamcwfabcwfgm8Pdb83dbdndnamydbmbcbhqxekcbhDaohminalamabydbcdtfydbfcFe86bbamclfhmaDcefgDabydwgq6mbkkdnabydxglci2gDabydlgmfgPciGTmbaraPfcbalamcu7fciGcefz:njjjb8Aabydxci2hDabydlhmabydwhqkab9cb83dwababydbaqfBdbabaDcifc98GamfBdlaxRbbhmcbhPkdnamcFeGcFe9hmbaxaP86bbababydwgmcefBdwaoabydbcdtfamcdtfaeBdbkdnakRbbcFe9hmbakabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfadBdbkdnasRbbcFe9hmbasabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfaiBdbkarabydlfabydxci2faxRbb86bbarabydlfabydxci2fcefakRbb86bbarabydlfabydxci2fcdfasRbb86bbababydxcefBdxazk;Ckovud99euv99eul998Jjjjjbc:G;ae9Rgo8KjjjjbdndnadTmbavcd4hrcbhwcbhDindnaiaeclfydbar2cdtfgvIdbaiaeydbar2cdtfgqIdbgk:tgxaiaecwfydbar2cdtfgmIdlaqIdlgP:tgsNamIdbak:tgzavIdlaP:tgPN:tgkakNaPamIdwaqIdwgH:tgONasavIdwaH:tgHN:tgPaPNaHazNaOaxN:tgxaxNMM:rgsJbbbb9Bmbaoc:G:qefawcx2fgAakas:vUdwaAaxas:vUdlaAaPas:vUdbaocafawc8K2fgAaq8Pdb83dbaAav8Pdb83dxaAam8Pdb83dKaAcwfaqcwfydbBdbaAcCfavcwfydbBdbaAcafamcwfydbBdbawcefhwkaecxfheaDcifgDad6mbkab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbawTmeao9cb83iKao9cb83izaoczfaocafawci2z1jjjbaoIdKhCaoIdChXaoIdzhQao9cb83iwao9cb83ibaoaoc:G:qefawz1jjjbJbbjZhkaoIdwgPJbbbbJbbjZaPaPNaoIdbgPaPNaoIdlgsasNMM:rgx:vaxJbbbb9BEgzNhxasazNhsaPazNhzaoc:G:qefheawhvinaecwfIdbaxNaeIdbazNasaeclfIdbNMMgPakaPak9DEhkaecxfheavcufgvmbkabaCUdwabaXUdlabaQUdbabaoId3UdxdndnakJ;n;m;m899FmbJbbbbhPaoc:G:qefheaocafhvinaCavcwfIdb:taecwfIdbgHNaQavIdb:taeIdbgONaXavclfIdb:taeclfIdbgLNMMaxaHNazaONasaLNMM:vgHaPaHaP9EEhPavc8KfhvaecxfheawcufgwmbkabazUd3abc8KfaxUdbabcafasUdbabcKfaCaxaPN:tUdbabcCfaXasaPN:tUdbabaQazaPN:tUdzabJbbjZakakN:t:rgkUdydndnaxJbbj:;axJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;axJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohexekcjjjj94hekabc8Ufae86bbdndnasJbbj:;asJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;asJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohvxekcjjjj94hvkabcRfav86bbdndnazJbbj:;azJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;azJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohqxekcjjjj94hqkabaq86b8SdndnaecKtcK91:YJbb;:9c:vax:t:lavcKtcK91:YJbb;:9c:vas:t:laqcKtcK91:YJbb;:9c:vaz:t:lakMMMJbb;:9cNJbbjZMgk:lJbbb9p9DTmbak:Ohexekcjjjj94hekaecFbaecFb9iEhexekabcjjj;8iBdycFbhekabae86b8Vxekab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbkaoc:G;aef8Kjjjjbk:mvdouq99cbhi8Jjjjjbca9RglczfcwfcbBdbal9cb83izalcwfcbBdbal9cb83ibdnadTmbcbhvinaeaifhocbhrinalczfarfgwavawydbgwaoarfIdbgDaearawcx2ffIdb9DEBdbalarfgwavawydbgwaDaearawcx2ffIdb9EEBdbarclfgrcx9hmbkaicxfhiavcefgvad9hmbkkJbbbbhDcbhrcbhicbhvinaealarfydbcx2fgwIdwaealczfarfydbcx2fgoIdw:tgqaqNawIdbaoIdb:tgqaqNawIdlaoIdl:tgqaqNMMgqaDaqaD9EgwEhDavaiawEhiarclfhravcefgvci9hmbkaealczfaicdtgvfydbcx2fgrIdwaealavfydbcx2fglIdwMJbbbZNhqarIdlalIdlMJbbbZNhkarIdbalIdbMJbbbZNhxaD:rJbbbZNhDdnadTmbindnaecwfIdbgmaq:tgPaPNaeIdbgsax:tgPaPNaeclfIdbgzak:tgPaPNMMgPaDaDN9ETmbaqaDaP:rgH:vJbbbZNJbbbZMgPNamJbbjZaP:tgONMhqakaPNazaONMhkaxaPNasaONMhxaDaHMJbbbZNhDkaecxfheadcufgdmbkkabaDUdxabaqUdwabakUdlabaxUdbkjeeiu8Jjjjjbcj8W9Rgr8Kjjjjbaici2hwdnaiTmbawceawce0EhDarhiinaiaeadRbbcdtfydbBdbadcefhdaiclfhiaDcufgDmbkkabarawaladaoz:hjjjbarcj8Wf8Kjjjjbk:Ylequ8Jjjjjbcjx9Rgl8Kjjjjbcbhvalcjqfcbaiz:njjjb8AdndnadTmbcjehoaehrincuhwarhDcuhqavhkdninawakaoalcjqfaDcefRbbfRbb9RcFeGci6aoalcjqfaDRbbfRbb9RcFeGci6faoalcjqfaDcdfRbbfRbb9RcFeGci6fgxaq9mgmEhwdnammbaxce0mdkaxaqaxaq9kEhqaDcifhDadakcefgk9hmbkkaeawci2fgDcdfRbbhqaDcefRbbhxaDRbbhkaeavci2fgDcifaDawav9Rci2z:qjjjb8Aakalcjqffaocefgo86bbaxalcjqffao86bbaDcdfaq86bbaDcefax86bbaDak86bbaqalcjqffao86bbarcifhravcefgvad9hmbkalcFeaiz:njjjbhoadci2gDceaDce0EhqcbhxindnaoaeRbbgkfgwRbbgDcFe9hmbawax86bbaocjdfaxcdtfabakcdtfydbBdbaxhDaxcefhxkaeaD86bbaecefheaqcufgqmbkaxcdthDxekcbhDkabalcjdfaDz:mjjjb8Aalcjxf8Kjjjjbk9teiucbcbyd11jjbgeabcifc98GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd11jjbgeabcrfc94GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd11jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd11jjbfgdBd11jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk:;Deludndndnadch9pmbabaeSmdaeabadfgi9Rcbadcet9R0mekabaead;8qbbxekaeab7ciGhldndndnabae9pmbdnalTmbadhvabhixikdnabciGmbadhvabhixdkadTmiabaeRbb86bbadcufhvdnabcefgiciGmbaecefhexdkavTmiabaeRbe86beadc9:fhvdnabcdfgiciGmbaecdfhexdkavTmiabaeRbd86bdadc99fhvdnabcifgiciGmbaecifhexdkavTmiabaeRbi86biabclfhiaeclfheadc98fhvxekdnalmbdnaiciGTmbadTmlabadcufgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc9:fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc99fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc98fgdfaeadfRbb86bbkadcl6mbdnadc98fgocd4cefciGgiTmbaec98fhlabc98fhvinavadfaladfydbBdbadc98fhdaicufgimbkkaocx6mbaec9Wfhvabc9WfhoinaoadfgicxfavadfglcxfydbBdbaicwfalcwfydbBdbaiclfalclfydbBdbaialydbBdbadc9Wfgdci0mbkkadTmdadhidnadciGglTmbaecufhvabcufhoadhiinaoaifavaifRbb86bbaicufhialcufglmbkkadcl6mdaec98fhlabc98fhvinavaifgecifalaifgdcifRbb86bbaecdfadcdfRbb86bbaecefadcefRbb86bbaeadRbb86bbaic98fgimbxikkavcl6mbdnavc98fglcd4cefcrGgdTmbavadcdt9RhvinaiaeydbBdbaeclfheaiclfhiadcufgdmbkkalc36mbinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaiaeydzBdzaiaeydCBdCaiaeydKBdKaiaeyd3Bd3aecafheaicafhiavc9Gfgvci0mbkkavTmbdndnavcrGgdmbavhlxekavc94GhlinaiaeRbb86bbaicefhiaecefheadcufgdmbkkavcw6mbinaiaeRbb86bbaiaeRbe86beaiaeRbd86bdaiaeRbi86biaiaeRbl86blaiaeRbv86bvaiaeRbo86boaiaeRbr86braicwfhiaecwfhealc94fglmbkkabkkAebcjwkxebbbdbbbzNbb'; // embed! wasm
+
+	var wasmpack = new Uint8Array([
+		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
+		24, 23, 146, 148, 18, 14, 22, 45, 70, 69, 56, 114, 101, 21, 25, 63, 75, 136, 108, 28, 118, 29, 73, 115,
+	]);
+
+	if (typeof WebAssembly !== 'object') {
+		return {
+			supported: false,
+		};
+	}
+
+	var instance;
+
+	var ready = WebAssembly.instantiate(unpack(wasm), {}).then(function (result) {
+		instance = result.instance;
+		instance.exports.__wasm_call_ctors();
+	});
+
+	function unpack(data) {
+		var result = new Uint8Array(data.length);
+		for (var i = 0; i < data.length; ++i) {
+			var ch = data.charCodeAt(i);
+			result[i] = ch > 96 ? ch - 97 : ch > 64 ? ch - 39 : ch + 4;
+		}
+		var write = 0;
+		for (var i = 0; i < data.length; ++i) {
+			result[write++] = result[i] < 60 ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i];
+		}
+		return result.buffer.slice(0, write);
+	}
+
+	function assert(cond) {
+		if (!cond) {
+			throw new Error('Assertion failed');
+		}
+	}
+
+	function bytes(view) {
+		return new Uint8Array(view.buffer, view.byteOffset, view.byteLength);
+	}
+
+	function index32(source) {
+		var size = source.BYTES_PER_ELEMENT;
+		assert(size === 2 || size === 4);
+		if (size === 4) {
+			return new Uint32Array(source.buffer, source.byteOffset, source.byteLength / 4);
+		} else {
+			var view = new Uint16Array(source.buffer, source.byteOffset, source.byteLength / 2);
+			return new Uint32Array(view); // copies each element
+		}
+	}
+
+	var BOUNDS_SIZE = 48;
+	var MESHLET_VERTEX_SIZE = Uint32Array.BYTES_PER_ELEMENT;
+
+	function buildMeshletsBound(index_count, max_vertices, max_triangles) {
+		return instance.exports.meshopt_buildMeshletsBound(index_count, max_vertices, max_triangles);
+	}
+
+	function extractMeshlet(buffers, index) {
+		var meshletOffset = index * 4;
+		var vertexOffset = buffers.meshlets[meshletOffset];
+		var triangleOffset = buffers.meshlets[meshletOffset + 1];
+		var vertexCount = buffers.meshlets[meshletOffset + 2];
+		var triangleCount = buffers.meshlets[meshletOffset + 3];
+
+		return {
+			vertices: buffers.vertices.subarray(vertexOffset, vertexOffset + vertexCount),
+			triangles: buffers.triangles.subarray(triangleOffset, triangleOffset + triangleCount * 3),
+		}
+	}
+
+	function buildMeshlets(indices,
+						   vertex_count,
+						   max_vertices,
+						   max_triangles,
+						   cone_weight,
+						   vertex_positions,
+						   vertex_positions_stride) {
+		var max_meshlets = buildMeshletsBound(indices.length, max_vertices, max_triangles);
+
+		var sbrk = instance.exports.sbrk;
+
+		var meshletSize = 4 * Uint32Array.BYTES_PER_ELEMENT;
+		var meshletTriangleSize = 3;
+
+		// allocate memory
+		var meshletsp = sbrk(max_meshlets * meshletSize);
+		var meshlet_verticesp = sbrk(max_meshlets * max_vertices * MESHLET_VERTEX_SIZE);
+		var meshlet_trianglesp = sbrk(max_meshlets * max_triangles * meshletTriangleSize);
+
+		var indicesp = sbrk(indices.byteLength);
+		var verticesp = sbrk(vertex_positions.byteLength);
+
+		// copy input data to wasm memory
+		var heap = new Uint8Array(instance.exports.memory.buffer);
+		heap.set(bytes(indices), indicesp);
+		heap.set(bytes(vertex_positions), verticesp);
+
+		var meshletCount = instance.exports.meshopt_buildMeshlets(
+			meshletsp,
+			meshlet_verticesp,
+			meshlet_trianglesp,
+			indicesp,
+			indices.length,
+			verticesp,
+			vertex_count,
+			vertex_positions_stride,
+			max_vertices,
+			max_triangles,
+			cone_weight
+		);
+
+		// heap might (will?) have grown -> re-acquire
+		heap = new Uint8Array(instance.exports.memory.buffer);
+
+		var meshletBytes = heap.subarray(meshletsp, meshletsp + meshletCount * meshletSize);
+		var meshlets = new Uint32Array(meshletBytes.buffer, meshletBytes.byteOffset, meshletBytes.byteLength / Uint32Array.BYTES_PER_ELEMENT).slice();
+
+		for (var i = 0; i < meshletCount; ++i) {
+			var meshletOffset = i * 4;
+			var vertexOffset = meshlets[meshletOffset];
+			var triangleOffset = meshlets[meshletOffset + 1];
+			var vertexCount = meshlets[meshletOffset + 2];
+			var triangleCount = meshlets[meshletOffset + 3];
+
+			instance.exports.meshopt_optimizeMeshlet(
+				meshlet_verticesp + vertexOffset * Uint32Array.BYTES_PER_ELEMENT,
+				meshlet_trianglesp + triangleOffset,
+				triangleCount,
+				vertexCount
+			);
+		}
+
+		// heap might have grown? -> re-acquire
+		heap = new Uint8Array(instance.exports.memory.buffer);
+
+		var lastMeshletIndex = (meshletCount - 1) * 4;
+		var meshletVertexCount = meshlets[lastMeshletIndex] + meshlets[lastMeshletIndex + 2];
+		var meshletTriangleCount = meshlets[lastMeshletIndex + 1] + meshlets[lastMeshletIndex + 3];
+
+		var meshletVerticesBytes = heap.subarray(meshlet_verticesp, meshlet_verticesp + meshletVertexCount * MESHLET_VERTEX_SIZE);
+		var meshletTriangles = heap.subarray(meshlet_trianglesp, meshlet_trianglesp + ((meshletTriangleCount * 3 + 3) & ~3) * meshletTriangleSize);
+
+		// populate result arrays
+		var result = {
+			meshlets: meshlets,
+			vertices: new Uint32Array(meshletVerticesBytes.buffer, meshletVerticesBytes.byteOffset, meshletVerticesBytes.byteLength / Uint32Array.BYTES_PER_ELEMENT).slice(),
+			triangles: new Uint8Array(meshletTriangles.buffer, meshletTriangles.byteOffset, meshletTriangles.byteLength).slice(),
+			meshletCount: meshletCount
+		};
+
+		// reset memory
+		sbrk(meshletsp - sbrk(0));
+
+		return result;
+	}
+
+	function extractBounds(boundsp) {
+		var heap = new Uint8Array(instance.exports.memory.buffer);
+
+		var s8DataSize = 4;
+		var boundsBytes = heap.subarray(boundsp, boundsp + BOUNDS_SIZE - s8DataSize);
+		var boundsFloats = new Float32Array(boundsBytes.buffer, boundsBytes.byteOffset, 11);
+
+		return {
+			centerX: boundsFloats[0],
+			centerY: boundsFloats[1],
+			centerZ: boundsFloats[2],
+			radius: boundsFloats[3],
+			coneApexX: boundsFloats[4],
+			coneApexY: boundsFloats[5],
+			coneApexZ: boundsFloats[6],
+			coneAxisX: boundsFloats[7],
+			coneAxisY: boundsFloats[8],
+			coneAxisZ: boundsFloats[9],
+			coneCutoff: boundsFloats[10]
+		};
+	}
+
+	function computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride) {
+		assert(buffers.meshletCount !== 0);
+		assert(vertex_positions.byteLength % vertex_positions_stride === 0);
+		var vertex_count = vertex_positions.byteLength / vertex_positions_stride;
+
+		var sbrk = instance.exports.sbrk;
+
+		var results = [];
+
+		// allocate memory that's constant for all meshlets
+		var verticesp = sbrk(vertex_positions.byteLength);
+		var meshlet_verticesp = sbrk(buffers.vertices.byteLength);
+		var meshlet_trianglesp = sbrk(buffers.triangles.byteLength);
+		var resultp = sbrk(BOUNDS_SIZE);
+
+		// copy vertices to wasm memory
+		var heap = new Uint8Array(instance.exports.memory.buffer);
+		heap.set(bytes(vertex_positions), verticesp);
+		heap.set(bytes(buffers.vertices), meshlet_verticesp);
+		heap.set(bytes(buffers.triangles), meshlet_trianglesp);
+
+		for (var i = 0; i < buffers.meshletCount; ++i) {
+			var meshletOffset = i * 4;
+			var vertexOffset = buffers.meshlets[meshletOffset];
+			var triangleOffset = buffers.meshlets[meshletOffset + 1];
+			var triangleCount = buffers.meshlets[meshletOffset + 3];
+
+			instance.exports.meshopt_computeMeshletBounds(
+				resultp,
+				meshlet_verticesp + vertexOffset * Uint32Array.BYTES_PER_ELEMENT,
+				meshlet_trianglesp + triangleOffset,
+				triangleCount,
+				verticesp,
+				vertex_count,
+				vertex_positions_stride
+			);
+
+			results.push(extractBounds(resultp));
+		}
+
+		// reset memory
+		sbrk(verticesp - sbrk(0));
+
+		return results.length > 1 ? results : results[0];
+	}
+
+	function computeClusterBounds(indices, vertex_positions, vertex_positions_stride) {
+		assert(vertex_positions.byteLength % vertex_positions_stride === 0);
+		var vertex_count = vertex_positions.byteLength / vertex_positions_stride;
+
+		var sbrk = instance.exports.sbrk;
+
+		// allocate memory
+		var resultp = sbrk(BOUNDS_SIZE);
+		var indicesp = sbrk(indices.byteLength);
+		var verticesp = sbrk(vertex_positions.byteLength);
+
+		// copy input data to wasm memory
+		var heap = new Uint8Array(instance.exports.memory.buffer);
+		heap.set(bytes(indices), indicesp);
+		heap.set(bytes(vertex_positions), verticesp);
+
+		instance.exports.meshopt_computeClusterBounds(
+			resultp,
+			indicesp,
+			indices.length,
+			verticesp,
+			vertex_count,
+			vertex_positions_stride
+		);
+
+		var result = extractBounds(resultp);
+
+		// reset memory
+		sbrk(resultp - sbrk(0));
+
+		return result;
+	}
+
+	return {
+		ready: ready,
+		supported: true,
+		buildMeshlets: function (indices,
+								 vertex_positions,
+								 vertex_positions_stride,
+								 max_vertices,
+								 max_triangles,
+								 cone_weight) {
+			assert(vertex_positions.length % vertex_positions_stride === 0);
+			assert(max_vertices <= 255 || max_vertices > 0);
+			assert(max_triangles <= 512);
+			assert(max_triangles % 4 === 0);
+
+			var vertex_count = vertex_positions.length / vertex_positions_stride;
+			cone_weight = cone_weight || 0.0;
+
+			return buildMeshlets(
+				index32(indices),
+				vertex_count,
+				max_vertices,
+				max_triangles,
+				cone_weight,
+				vertex_positions,
+				vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT
+			);
+		},
+		computeClusterBounds: function (indices,
+										vertex_positions,
+										vertex_positions_stride) {
+			assert(vertex_positions.length % vertex_positions_stride === 0);
+
+			var ind32 = index32(indices);
+
+			assert(ind32.length / 3 <= 512);
+			assert(ind32.length % 3 === 0);
+
+			return computeClusterBounds(
+				index32(indices),
+				vertex_positions,
+				vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT
+			);
+		},
+		computeMeshletBounds: function (buffers,
+										vertex_positions,
+										vertex_positions_stride) {
+			return computeMeshletBounds(
+				buffers,
+				vertex_positions,
+				vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT
+			);
+		},
+		extractMeshlet: function (buffers, index) {
+			assert(index >= 0 && index < buffers.meshletCount);
+			return extractMeshlet(buffers, index);
+		}
+	};
+})();
+
+export { MeshoptClusterizer };

From 09d8f09946c2b435b1679f70596c14a5d48426cd Mon Sep 17 00:00:00 2001
From: Lukas Herzberger <herzberger.lukas@gmail.com>
Date: Wed, 21 Aug 2024 20:22:43 +0200
Subject: [PATCH 203/581] js: add clusterizer API - tests

Adds tests for the new JS clusterizer API.
All tests work on a cube with normal data for which 6 clusters - one for each face - are created.
Bounds are validated by comparing each cube face's normal to the computed normal cone's axis.
---
 js/meshopt_clusterizer.test.js | 150 +++++++++++++++++++++++++++++++++
 js/package.json                |   2 +-
 2 files changed, 151 insertions(+), 1 deletion(-)
 create mode 100644 js/meshopt_clusterizer.test.js

diff --git a/js/meshopt_clusterizer.test.js b/js/meshopt_clusterizer.test.js
new file mode 100644
index 0000000000..0de4c73099
--- /dev/null
+++ b/js/meshopt_clusterizer.test.js
@@ -0,0 +1,150 @@
+const assert = require('assert').strict;
+const clusterizer = require('./meshopt_clusterizer.js');
+
+process.on('unhandledRejection', (error) => {
+	console.log('unhandledRejection', error);
+	process.exit(1);
+});
+
+
+const cubeWithNormals = {
+	vertices: new Float32Array([
+		// n = (0, 0, 1)
+		-1.0, -1.0,  1.0, 0.0, 0.0, 1.0,
+		1.0, -1.0,  1.0, 0.0, 0.0, 1.0,
+		1.0,  1.0,  1.0, 0.0, 0.0, 1.0,
+		-1.0,  1.0,  1.0, 0.0, 0.0, 1.0,
+		// n = (0, 0, -1)
+		-1.0,  1.0, -1.0, 0.0, 0.0, -1.0,
+		1.0,  1.0, -1.0, 0.0, 0.0, -1.0,
+		1.0, -1.0, -1.0, 0.0, 0.0, -1.0,
+		-1.0, -1.0, -1.0, 0.0, 0.0, -1.0,
+		// n = (1, 0, 0)
+		1.0, -1.0, -1.0, 1.0, 0.0, 0.0,
+		1.0,  1.0, -1.0, 1.0, 0.0, 0.0,
+		1.0,  1.0,  1.0, 1.0, 0.0, 0.0,
+		1.0, -1.0,  1.0, 1.0, 0.0, 0.0,
+		// n = (-1, 0, 0)
+		-1.0, -1.0,  1.0, -1.0, 0.0, 0.0,
+		-1.0,  1.0,  1.0, -1.0, 0.0, 0.0,
+		-1.0,  1.0, -1.0, -1.0, 0.0, 0.0,
+		-1.0, -1.0, -1.0, -1.0, 0.0, 0.0,
+		// n = (0, 1, 0)
+		1.0,  1.0, -1.0, 0.0, 1.0, 0.0,
+		-1.0,  1.0, -1.0, 0.0, 1.0, 0.0,
+		-1.0,  1.0,  1.0, 0.0, 1.0, 0.0,
+		1.0,  1.0,  1.0, 0.0, 1.0, 0.0,
+		// n = (0, -1, 0)
+		1.0, -1.0,  1.0, 0.0, -1.0, 0.0,
+		-1.0, -1.0,  1.0, 0.0, -1.0, 0.0,
+		-1.0, -1.0, -1.0, 0.0, -1.0, 0.0,
+		1.0, -1.0, -1.0, 0.0, -1.0, 0.0,
+	]),
+	indices: new Uint32Array([
+		// n = (0, 0, 1)
+		0,  1,  2,
+		2,  3,  0,
+		// n = (0, 0, -1)
+		4,  5,  6,
+		6,  7,  4,
+		// n = (1, 0, 0)
+		8,  9, 10,
+		10, 11,  8,
+		// n = (-1, 0, 0)
+		12, 13, 14,
+		14, 15, 12,
+		// n = (0, 1, 0)
+		16, 17, 18,
+		18, 19, 16,
+		// n = (0, -1, 0)
+		20, 21, 22,
+		22, 23, 20,
+	]),
+	vertexStride: 6, // in floats
+};
+
+const tests = {
+	buildMeshlets: function () {
+		const maxVertices = 4;
+		const buffers = clusterizer.buildMeshlets(cubeWithNormals.indices, cubeWithNormals.vertices, cubeWithNormals.vertexStride, maxVertices, 512);
+
+		const expectedVertices = [
+			new Uint32Array([2, 3, 0, 1]),
+			new Uint32Array([12, 13, 14, 15]),
+			new Uint32Array([6, 7, 4, 5]),
+			new Uint32Array([16, 17, 18, 19]),
+			new Uint32Array([8, 9, 10, 11]),
+			new Uint32Array([22, 23, 20, 21]),
+		];
+		const expectedTriangles = new Uint8Array([0, 1, 2, 2, 3, 0]);
+
+		assert.equal(buffers.meshletCount, 6);
+
+		for (let i = 0; i < buffers.meshletCount; ++i) {
+			const m = clusterizer.extractMeshlet(buffers, i);
+			assert.deepStrictEqual(m.vertices, expectedVertices[i]);
+			assert.deepStrictEqual(m.triangles, expectedTriangles);
+		}
+	},
+
+	computeClusterBounds: function () {
+		for (let i = 0; i < 6; ++i) {
+			const indexOffset = i * 6;
+			const normalOffset = i * 4 * cubeWithNormals.vertexStride;
+			const bounds = clusterizer.computeClusterBounds(
+				cubeWithNormals.indices.subarray(indexOffset, 6 + indexOffset),
+				cubeWithNormals.vertices,
+				cubeWithNormals.vertexStride,
+			);
+			assert.deepStrictEqual(
+				new Int32Array([bounds.coneAxisX, bounds.coneAxisY, bounds.coneAxisZ]),
+				new Int32Array(cubeWithNormals.vertices.subarray(3 + normalOffset, 6 + normalOffset))
+			);
+		}
+	},
+
+	computeMeshletBounds: function () {
+		const maxVertices = 4;
+		const buffers = clusterizer.buildMeshlets(cubeWithNormals.indices, cubeWithNormals.vertices, cubeWithNormals.vertexStride, maxVertices, 512);
+
+		const expectedNormals = [
+			new Int32Array([0, 0, 1]),
+			new Int32Array([-1, 0, 0]),
+			new Int32Array([0, 0, -1]),
+			new Int32Array([0, 1, 0]),
+			new Int32Array([1, 0, 0]),
+			new Int32Array([0, -1, 0]),
+		];
+
+		const bounds = clusterizer.computeMeshletBounds(buffers, cubeWithNormals.vertices, cubeWithNormals.vertexStride);
+
+		assert(bounds.length === 6);
+		assert(bounds.length === buffers.meshletCount);
+
+		bounds.forEach((b, i) => {
+			const normal = new Int32Array([b.coneAxisX, b.coneAxisY, b.coneAxisZ]);
+			assert.deepStrictEqual(normal, expectedNormals[i]);
+		});
+	},
+};
+
+clusterizer.ready.then(_ => {
+	let passed = 0;
+	let failed = 0;
+
+	for (const key in tests) {
+		try {
+			tests[key]();
+			++passed;
+		} catch (e) {
+			console.error(e);
+			++failed;
+		}
+	}
+
+	if (failed === 0) {
+		console.log(passed, 'tests passed');
+	} else {
+		console.log(passed, 'tests passed &', failed, 'tests failed');
+	}
+});
diff --git a/js/package.json b/js/package.json
index f06429a144..67572c5c59 100644
--- a/js/package.json
+++ b/js/package.json
@@ -21,7 +21,7 @@
 	"module": "index.module.js",
 	"types": "index.module.d.ts",
 	"scripts": {
-		"test": "node meshopt_encoder.test.js && node meshopt_decoder.test.js && node meshopt_simplifier.test.js",
+		"test": "node meshopt_encoder.test.js && node meshopt_decoder.test.js && node meshopt_simplifier.test.js && node meshopt_clusterizer.test.js",
 		"prepublishOnly": "npm test"
 	}
 }

From 874d20152c45458cb4105837539aeee518ae5d63 Mon Sep 17 00:00:00 2001
From: Lukas Herzberger <herzberger.lukas@gmail.com>
Date: Wed, 21 Aug 2024 20:26:19 +0200
Subject: [PATCH 204/581] js: add clusterizer API - github actions changes

Adds automated ES5 validation for the new JS clusterizer API.
Adds automated tests for the new JS clusterizer API.
---
 .github/workflows/build.yml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f0256d4fb9..8ed3a5cd01 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -68,11 +68,13 @@ jobs:
       run: node js/meshopt_encoder.test.js
     - name: test simplifier
       run: node js/meshopt_simplifier.test.js
+    - name: test clusterizer
+      run: node js/meshopt_clusterizer.test.js
     - name: check es5
       run: |
         npm install -g es-check
-        npx es-check es5 js/meshopt_decoder.js js/meshopt_encoder.js js/meshopt_simplifier.js
-        npx es-check --module es5 js/meshopt_decoder.module.js js/meshopt_encoder.module.js js/meshopt_simplifier.module.js
+        npx es-check es5 js/meshopt_decoder.js js/meshopt_encoder.js js/meshopt_simplifier.js js/meshopt_clusterizer.js
+        npx es-check --module es5 js/meshopt_decoder.module.js js/meshopt_encoder.module.js js/meshopt_simplifier.module.js js/meshopt_clusterizer.module.js
         npx es-check es5 gltf/library.js
 
   gltfpack:
@@ -125,6 +127,7 @@ jobs:
         node js/meshopt_decoder.test.js
         node js/meshopt_encoder.test.js
         node js/meshopt_simplifier.test.js
+        node js/meshopt_clusterizer.test.js
 
   gltfpack-basis:
     runs-on: ubuntu-latest

From 8bc357370dc29844105f0cc5427cee86902c8563 Mon Sep 17 00:00:00 2001
From: Lukas Herzberger <herzberger.lukas@gmail.com>
Date: Wed, 21 Aug 2024 20:28:11 +0200
Subject: [PATCH 205/581] js: add clusterizer API - documentation

Documents the new JS clusterizer API in the JS readme.
---
 js/README.md | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/js/README.md b/js/README.md
index e10c6edeb6..43bad76e8a 100644
--- a/js/README.md
+++ b/js/README.md
@@ -155,6 +155,74 @@ The simplification algorithm uses relative errors for input and output; to conve
 getScale: (vertex_positions: Float32Array, vertex_positions_stride: number) => number;
 ```
 
+## Clusterizer
+
+`MeshoptClusterizer` (`meshopt_clusterizer.js`) implements meshlet generation and optimization.
+
+To split a triangle mesh into clusters, call `buildMeshlets`, which tries to balance topological efficiency (by maximizing vertex reuse inside meshlets) with culling efficiency.
+
+```ts
+buildMeshlets(indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, max_vertices: number, max_triangles: number, cone_weight?: number) => MeshletBuffers;
+```
+
+The algorithm uses position data stored in a strided array; `vertex_positions_stride` represents the distance between subsequent positions in `Float32` units.
+
+The maximum number of triangles and number of vertices per meshlet can be controlled via `max_triangles` and `max_vertices` parameters. However, `max_vertices` must not be greater than 255 and `max_triangles` must not be greater than 512.
+
+Additionally, if cluster cone culling is to be used, `buildMeshlets` allows specifying a `cone_weight` as a value between 0 and 1 to balance culling efficiency with other forms of culling. By default, `cone_weight` is set to 0.
+
+All meshlets are implicitly optimized for better triangle and vertex locality by `buildMeshlets`.
+
+The algorithm returns the meshlet data as packed buffers:
+
+```ts
+const buffers = MeshoptClusterizer.buildMeshlets(indices, positions, stride, /* args */);
+
+console.log(buffers.meshlets);      // prints the raw packed Uint32Array containing the meshlet data, i.e., the indices into the vertices and triangles array
+console.log(buffers.vertices);      // prints the raw packed Uint32Array containing the indices into the original meshes vertices
+console.log(buffers.triangles);     // prints the raw packed Uint8Array containing the indices into the verices array.
+console.log(buffers.meshletCount);  // prints the number of meshlets - this is not the same as buffers.meshlets.length because each meshlet consists of 4 unsigned 32-bit integers
+```
+
+Individual meshlets can be extracted from the packed buffers using `extractMeshlet`. The memory of the returned `Meshlet` object's `vertices` and `triangles` arrays is backed by the `MeshletBuffers` object.
+
+```ts
+const buffers = MeshoptClusterizer.buildMeshlets(indices, positions, stride, /* args */);
+
+const meshlet = MeshoptClusterizer.extractMeshlet(buffers, 0);
+console.log(meshlet.vertices);  // prints the packed Uint32Array of the first meshlet's vertex indices, i.e., indices into the original meshes vertex buffer
+console.log(meshlet.triangles); // prints the packed Uint8Array of the first meshlet's indices into its own vertices array
+
+console.log(MeshoptClusterizer.extractMeshlet(buffers, 0).triangles[0] === meshlet.triangles[0]) // prints true
+
+meshlet.triangles.set([123], 0);
+console.log(MeshoptClusterizer.extractMeshlet(buffers, 0).triangles[0] === meshlet.triangles[0]) // still prints true
+```
+
+After generating the meshlet data, it's also possible to generate extra culling data for one or more meshlets:
+
+```ts
+computeMeshletBounds(buffers: MeshletBuffers, vertex_positions: Float32Array, vertex_positions_stride: number) => Bounds | Bounds[];
+```
+
+If `buffers` contains more than one meshlet, `computeMeshletBounds` returns an array of `Bounds`. Otherwise, a single `Bounds` object is returned.
+
+```ts
+const buffers = MeshoptClusterizer.buildMeshlets(indices, positions, stride, /* args */);
+const bounds = MeshoptClusterizer.computeMeshletBounds(buffers, positions, stride);
+console.log(bounds[0].centerX, bounds[0].centerY, bounds[0].centerZ);       // prints the center of the first meshlet's bounding sphere
+console.log(bounds[0].radius);                                              // prints the radius of the first meshlet's bounding sphere
+console.log(bounds[0].coneApexX, bounds[0].coneApexY, bounds[0].coneApexZ); // prints the apex of the first meshlet's normal cone
+console.log(bounds[0].coneAxisX, bounds[0].coneAxisY, bounds[0].coneAxisZ); // prints the axis of the first meshlet's normal cone
+console.log(bounds[0].coneCutoff);                                          // prins the cutoff angle of the first meshlet's normal cone
+```
+
+It is also possible to compute bounds of a vertex cluster that is not generated by `MeshoptClusterizer` using `computeClusterBounds`. Like `buildMeshlets`, this algorithm takes vertex indices and a strided vertex positions array with a vertex stride in `Float32` units as input.
+
+```ts
+computeClusterBounds(indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number) => Bounds;
+```
+
 ## License
 
 This library is available to anybody free of charge, under the terms of MIT License (see LICENSE.md).

From 2da143d50170dcfc2184e7963460fad140d5404f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 21 Aug 2024 20:48:44 -0700
Subject: [PATCH 206/581] Update Prettier settings for YAML

Editors like Zed use Prettier for YAML formatting, but this
configuration was meant for JS. GitHub Actions YAML is formatted
differently from what Prettier expects but this at least brings us a bit
closer.

This change doesn't reformat YAML files for now.
---
 .prettierrc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/.prettierrc b/.prettierrc
index dfbe3c9443..78f1f570c0 100644
--- a/.prettierrc
+++ b/.prettierrc
@@ -5,4 +5,12 @@
 	"singleQuote": true,
 	"printWidth": 150,
 	"trailingComma": "es5",
+	"overrides": [
+		{
+			"files": "*.yml",
+			"options": {
+				"tabWidth": 2
+			}
+		},
+	]
 }

From 3b366d3ea964fe9837ccc14d0ef889d93ffd834e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 21 Aug 2024 20:57:21 -0700
Subject: [PATCH 207/581] js: Reformat clusterizer source with Prettier

The test data is less readable now but such is life.
---
 js/meshopt_clusterizer.js          | 60 +++++++++---------------------
 js/meshopt_clusterizer.module.d.ts |  9 ++++-
 js/meshopt_clusterizer.module.js   | 60 +++++++++---------------------
 js/meshopt_clusterizer.test.js     | 53 +++++++-------------------
 4 files changed, 56 insertions(+), 126 deletions(-)

diff --git a/js/meshopt_clusterizer.js b/js/meshopt_clusterizer.js
index 03cb89515c..2ebe747c4f 100644
--- a/js/meshopt_clusterizer.js
+++ b/js/meshopt_clusterizer.js
@@ -1,7 +1,7 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptClusterizer = (function () {
-	// Built with clang version 18.1.2-wasi-sdk
+	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
 		'b9H79Tebbbe9Rx9Geueu9Geub9Gbb9Giuuueu9Gkuuuuuuuuuu99eu9Gvuuuuueu9Gxuuuuuuuuu9999ueu9Gruuuuuuub9Gkuuuuuuuuuuueu9Gouuuuuub9Giuuub9GluuuubiOHdilvorwDqrkbiibeilve9Weiiviebeoweuec:q:Odkr:Yewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9I919P29K9nW79O2Wt79c9V919U9KbeX9TW79O9V9Wt9F9I919P29K9nW79O2Wt7bd39TW79O9V9Wt9F9J9V9T9W91tWJ2917tWV9c9V919U9K7br39TW79O9V9Wt9F9J9V9T9W91tW9nW79O2Wt9c9V919U9K7bDL9TW79O9V9Wt9F9V9Wt9P9T9P96W9nW79O2Wtbql79IV9RbkDwebcekdsPq:H9kHdbkIbabaec9:fgefcufae9Ugeabci9Uadfcufad9Ugbaeab0Ek;HOlPue99eux998Jjjjjbc:We9Rgk8Kjjjjbakc;mbfcbc;Kbz:njjjb8AakcuaocdtgxaocFFFFi0Egmcbyd:e1jjbHjjjjbbgPBd9makceBd:SeakaPBdnakamcbyd:e1jjbHjjjjbbgsBd9qakcdBd:SeakasBd9eakcualcdtalcFFFFi0Ecbyd:e1jjbHjjjjbbgzBd9uakazBd9iakciBd:SeaPcbaxz:njjjbhHalci9UhOdnalTmbaihPalhAinaHaPydbcdtfgCaCydbcefBdbaPclfhPaAcufgAmbkkdnaoTmbcbhPashAaHhCaohXinaAaPBdbaAclfhAaCydbaPfhPaCclfhCaXcufgXmbkkdnalci6mbcbhPaihAinaAcwfydbhCaAclfydbhXasaAydbcdtfgQaQydbgQcefBdbazaQcdtfaPBdbasaXcdtfgXaXydbgXcefBdbazaXcdtfaPBdbasaCcdtfgCaCydbgCcefBdbazaCcdtfaPBdbaAcxfhAaOaPcefgP9hmbkkdnaoTmbaHhAashPaohCinaPaPydbaAydb9RBdbaAclfhAaPclfhPaCcufgCmbkkakamcbyd:e1jjbHjjjjbbgPBd9yakclBd:SeaPaHaxz:mjjjbhmakaOcbyd:e1jjbHjjjjbbgPBd9CakcvBd:SeaPcbaOz:njjjbhLakcuaOcK2alcjjjjd0Ecbyd:e1jjbHjjjjbbgKBd9GakcoBd:SeJbbbbhYdnalci6g8Ambarcd4hxaihAaKhPaOhrJbbbbhEinavaAclfydbax2cdtfgCIdlh3avaAydbax2cdtfgXIdlhYavaAcwfydbax2cdtfgQIdlh5aCIdwh8EaXIdwh8FaQIdwhaaPaCIdbghaXIdbggMaQIdbg8JMJbbnn:vUdbaPclfaXIdlaCIdlMaQIdlMJbbnn:vUdbaQIdwh8KaCIdwh8LaXIdwh8MaPcxfa3aY:tg3aaa8F:tgaNa5aY:tg5a8Ea8F:tg8EN:tgYJbbbbJbbjZahag:tgha5Na8Jag:tgga3N:tg8Fa8FNaYaYNa8EagNaaahN:tgYaYNMM:rgg:vagJbbbb9BEg3NUdbaPczfaYa3NUdbaPcCfa8Fa3NUdbaPcwfa8Ka8Ma8LMMJbbnn:vUdbaEagMhEaAcxfhAaPcKfhParcufgrmbkaEaO:Z:vJbbbZNhYkakcuaOcdtalcFFFF970Ecbyd:e1jjbHjjjjbbgCBd9KakcrBd:SeaYaD:ZN:rhYdna8AmbcbhPaChAinaAaPBdbaAclfhAaOaPcefgP9hmbkkaYJbbbZNh8MakcuaOcltalcFFFFd0Ecbyd:e1jjbHjjjjbbg8ABd9OakcwBd:Secba8AaKaCaOz:djjjb8Aakaocbyd:e1jjbHjjjjbbgPBd2aPcFeaoz:njjjbhrakc8Wfcwf9cb83ibak9cb83i8WcbhPJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgcbhlinJbbbbh3dnaPTmbJbbjZaP:Z:vh3kaka8Ea3NgaUdaaka5a3NghUd3akaEa3Ng8JUdKJbbbbh3dnagagNaYaYNa8Fa8FNMMg8KJbbbb9BmbJbbjZa8K:r:vh3kakaga3NUd8Saka8Fa3NUdyakaYa3NUd8KakcbBdCdndndnakyd8WgXakydUgAakcKfaeaiakc;abfaKamara8MaqakcCfz:ejjjbgCcuSmbdnaPaD9pmbakydCaAfaw9nmdkaXaAcbaeaiakc;abfaKamara8MJbbbbcbz:ejjjbgCcu9hmekakaaUdzakahUdxaka8JUdwakcuBdlakcFFF;7rBdba8AcbaKaLakcwfakclfakz:fjjjbakydlgCcuSmekdnakc8WfaiaCcx2fgOydbgPaOclfydbgAaOcwfydbgXarabaeadalawaDz:gjjjbTmbalcefhlJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgkamaPcdtfgPaPydbcufBdbamaAcdtfgPaPydbcufBdbamaXcdtfgPaPydbcufBdbcbhXinazasaOaXcdtfydbcdtgAfydbcdtfgxhPaHaAfgvydbgQhAdnaQTmbdninaPydbaCSmeaPclfhPaAcufgATmdxbkkaPaxaQcdtfc98fydbBdbavavydbcufBdbkaXcefgXci9hmbkaKaCcK2fgPIdbh3aPIdlhaaPIdwhhaPIdxh8JaPIdzh8KaPIdCh8LaLaCfce86bbaga8LMhga8Fa8KMh8FaYa8JMhYa8EahMh8Ea5aaMh5aEa3MhEakyd88hPxekkdnaPTmbdnakyd80gAaPci2fgCciGTmbadaCfcbaPaAcu7fciGcefz:njjjb8AkabalcltfgPak8Pi8W83dbaPcwfakc8Wfcwf8Pib83dbalcefhlkcahPdninaPc98Smeakc;mbfaPfydbcbydj1jjbH:bjjjbbaPc98fhPxbkkakc:Wef8Kjjjjbalk;3vivuv99lu8Jjjjjbca9Rgv8Kjjjjbdndnalcw0mbaiydbhoaeabcitfgralcdtcufBdlaraoBdbdnalcd6mbaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkkalabfhrxekcbhDavczfcwfcbBdbav9cb83izavcwfcbBdbav9cb83ibJbbjZhqJbbjZhkinadaiaDcdtfydbcK2fhwcbhrinavczfarfgoawarfIdbgxaoIdbgm:tgPakNamMgmUdbavarfgoaPaxam:tNaoIdbMUdbarclfgrcx9hmbkJbbjZaqJbbjZMgq:vhkaDcefgDal9hmbkcbhoadcbcecdavIdlgxavIdwgm9GEgravIdbgPam9GEaraPax9GEgscdtgrfhzavczfarfIdbhxaihralhwinaiaocdtfgDydbhHaDarydbgOBdbaraHBdbarclfhraoazaOcK2fIdbax9Dfhoawcufgwmbkaeabcitfhrdndnaocv6mbaoalc98f6mekaraiydbBdbaralcdtcufBdlaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkalabfhrxekaraxUdbaeabcitfgrarydlc98GasVBdlabcefaeadaiaoz:djjjbhwararydlciGawabcu7fcdtVBdlawaeadaiaocdtfalao9Rz:djjjbhrkavcaf8Kjjjjbark;eloeue99vue99oue99dndnaembcuhxcvhbxekJbbjZaq:thmaiabcdtfhPavydbhsavydlhzavydwhHcbhOJFFuuhAcvhbcuhxindnasaPaOcdtfydbcdtgvfydbgCTmbaHazavfydbcdtfhvindndndnawalavydbgXcx2fgiclfydbgQfRbbcFeSawaiydbgLfRbbcFeSfawaicwfydbgKfRbbcFeSfgimbcbhYxekdndnaraLcdtfydbceSmbaraQcdtfydbceSmbaraKcdtfydbce9hmekcbhikaiab9pmeaicefhYkdndnadTmbaoaXcK2fgiIdwadIdw:tg8Aa8ANaiIdbadIdb:tg8Aa8ANaiIdladIdl:tg8Aa8ANMM:raD:vamNJbbjZMJ9VO:d86JbbjZaiIdCadIdCNaiIdxadIdxNaiIdzadIdzNMMaqN:tg8Aa8AJ9VO:d869DENh8AxekaraLcdtfydbaraQcdtfydbfaraKcdtfydbfc99f:Zh8AkaXaxaYab6a8AaA9DVgiEhxaYabaiEhba8AaAaiEhAkavclfhvaCcufgCmbkkaOcefgOae9hmbkkdnakTmbakabBdbkaxk;bddlue99dndndnabaecitfgrydlgwciGgDci9hmbarclfhqxekinabcbawcd4gwalaDcdtfIdbabaecitfIdb:tgkJbbbb9FEgDaecefgefadaialavaoz:fjjjbak:laoIdb9FTmdabaDaw7aefgecitfgrydlgwciGgDci9hmbkarclfhqkabaecitfhecuhbindnaiaeydbgDfRbbmbadaDcK2fgrIdwalIdw:tgkakNarIdbalIdb:tgkakNarIdlalIdl:tgkakNMM:rgkaoIdb9DTmbaoakUdbavaDBdbaqydbhwkaecwfheabcefgbawcd46mbkkk;yleoudnaladfgkRbbcFeSalaefgxRbbgmcFeSfabydwgPfalaifgsRbbcFeSfaD0abydxaq9pVgzce9hmbavawcltfgmab8Pdb83dbamcwfabcwfgm8Pdb83dbdndnamydbmbcbhqxekcbhDaohminalamabydbcdtfydbfcFe86bbamclfhmaDcefgDabydwgq6mbkkdnabydxglci2gDabydlgmfgPciGTmbaraPfcbalamcu7fciGcefz:njjjb8Aabydxci2hDabydlhmabydwhqkab9cb83dwababydbaqfBdbabaDcifc98GamfBdlaxRbbhmcbhPkdnamcFeGcFe9hmbaxaP86bbababydwgmcefBdwaoabydbcdtfamcdtfaeBdbkdnakRbbcFe9hmbakabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfadBdbkdnasRbbcFe9hmbasabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfaiBdbkarabydlfabydxci2faxRbb86bbarabydlfabydxci2fcefakRbb86bbarabydlfabydxci2fcdfasRbb86bbababydxcefBdxazk;Ckovud99euv99eul998Jjjjjbc:G;ae9Rgo8KjjjjbdndnadTmbavcd4hrcbhwcbhDindnaiaeclfydbar2cdtfgvIdbaiaeydbar2cdtfgqIdbgk:tgxaiaecwfydbar2cdtfgmIdlaqIdlgP:tgsNamIdbak:tgzavIdlaP:tgPN:tgkakNaPamIdwaqIdwgH:tgONasavIdwaH:tgHN:tgPaPNaHazNaOaxN:tgxaxNMM:rgsJbbbb9Bmbaoc:G:qefawcx2fgAakas:vUdwaAaxas:vUdlaAaPas:vUdbaocafawc8K2fgAaq8Pdb83dbaAav8Pdb83dxaAam8Pdb83dKaAcwfaqcwfydbBdbaAcCfavcwfydbBdbaAcafamcwfydbBdbawcefhwkaecxfheaDcifgDad6mbkab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbawTmeao9cb83iKao9cb83izaoczfaocafawci2z1jjjbaoIdKhCaoIdChXaoIdzhQao9cb83iwao9cb83ibaoaoc:G:qefawz1jjjbJbbjZhkaoIdwgPJbbbbJbbjZaPaPNaoIdbgPaPNaoIdlgsasNMM:rgx:vaxJbbbb9BEgzNhxasazNhsaPazNhzaoc:G:qefheawhvinaecwfIdbaxNaeIdbazNasaeclfIdbNMMgPakaPak9DEhkaecxfheavcufgvmbkabaCUdwabaXUdlabaQUdbabaoId3UdxdndnakJ;n;m;m899FmbJbbbbhPaoc:G:qefheaocafhvinaCavcwfIdb:taecwfIdbgHNaQavIdb:taeIdbgONaXavclfIdb:taeclfIdbgLNMMaxaHNazaONasaLNMM:vgHaPaHaP9EEhPavc8KfhvaecxfheawcufgwmbkabazUd3abc8KfaxUdbabcafasUdbabcKfaCaxaPN:tUdbabcCfaXasaPN:tUdbabaQazaPN:tUdzabJbbjZakakN:t:rgkUdydndnaxJbbj:;axJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;axJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohexekcjjjj94hekabc8Ufae86bbdndnasJbbj:;asJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;asJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohvxekcjjjj94hvkabcRfav86bbdndnazJbbj:;azJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;azJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohqxekcjjjj94hqkabaq86b8SdndnaecKtcK91:YJbb;:9c:vax:t:lavcKtcK91:YJbb;:9c:vas:t:laqcKtcK91:YJbb;:9c:vaz:t:lakMMMJbb;:9cNJbbjZMgk:lJbbb9p9DTmbak:Ohexekcjjjj94hekaecFbaecFb9iEhexekabcjjj;8iBdycFbhekabae86b8Vxekab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbkaoc:G;aef8Kjjjjbk:mvdouq99cbhi8Jjjjjbca9RglczfcwfcbBdbal9cb83izalcwfcbBdbal9cb83ibdnadTmbcbhvinaeaifhocbhrinalczfarfgwavawydbgwaoarfIdbgDaearawcx2ffIdb9DEBdbalarfgwavawydbgwaDaearawcx2ffIdb9EEBdbarclfgrcx9hmbkaicxfhiavcefgvad9hmbkkJbbbbhDcbhrcbhicbhvinaealarfydbcx2fgwIdwaealczfarfydbcx2fgoIdw:tgqaqNawIdbaoIdb:tgqaqNawIdlaoIdl:tgqaqNMMgqaDaqaD9EgwEhDavaiawEhiarclfhravcefgvci9hmbkaealczfaicdtgvfydbcx2fgrIdwaealavfydbcx2fglIdwMJbbbZNhqarIdlalIdlMJbbbZNhkarIdbalIdbMJbbbZNhxaD:rJbbbZNhDdnadTmbindnaecwfIdbgmaq:tgPaPNaeIdbgsax:tgPaPNaeclfIdbgzak:tgPaPNMMgPaDaDN9ETmbaqaDaP:rgH:vJbbbZNJbbbZMgPNamJbbjZaP:tgONMhqakaPNazaONMhkaxaPNasaONMhxaDaHMJbbbZNhDkaecxfheadcufgdmbkkabaDUdxabaqUdwabakUdlabaxUdbkjeeiu8Jjjjjbcj8W9Rgr8Kjjjjbaici2hwdnaiTmbawceawce0EhDarhiinaiaeadRbbcdtfydbBdbadcefhdaiclfhiaDcufgDmbkkabarawaladaoz:hjjjbarcj8Wf8Kjjjjbk:Ylequ8Jjjjjbcjx9Rgl8Kjjjjbcbhvalcjqfcbaiz:njjjb8AdndnadTmbcjehoaehrincuhwarhDcuhqavhkdninawakaoalcjqfaDcefRbbfRbb9RcFeGci6aoalcjqfaDRbbfRbb9RcFeGci6faoalcjqfaDcdfRbbfRbb9RcFeGci6fgxaq9mgmEhwdnammbaxce0mdkaxaqaxaq9kEhqaDcifhDadakcefgk9hmbkkaeawci2fgDcdfRbbhqaDcefRbbhxaDRbbhkaeavci2fgDcifaDawav9Rci2z:qjjjb8Aakalcjqffaocefgo86bbaxalcjqffao86bbaDcdfaq86bbaDcefax86bbaDak86bbaqalcjqffao86bbarcifhravcefgvad9hmbkalcFeaiz:njjjbhoadci2gDceaDce0EhqcbhxindnaoaeRbbgkfgwRbbgDcFe9hmbawax86bbaocjdfaxcdtfabakcdtfydbBdbaxhDaxcefhxkaeaD86bbaecefheaqcufgqmbkaxcdthDxekcbhDkabalcjdfaDz:mjjjb8Aalcjxf8Kjjjjbk9teiucbcbyd11jjbgeabcifc98GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd11jjbgeabcrfc94GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd11jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd11jjbfgdBd11jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk:;Deludndndnadch9pmbabaeSmdaeabadfgi9Rcbadcet9R0mekabaead;8qbbxekaeab7ciGhldndndnabae9pmbdnalTmbadhvabhixikdnabciGmbadhvabhixdkadTmiabaeRbb86bbadcufhvdnabcefgiciGmbaecefhexdkavTmiabaeRbe86beadc9:fhvdnabcdfgiciGmbaecdfhexdkavTmiabaeRbd86bdadc99fhvdnabcifgiciGmbaecifhexdkavTmiabaeRbi86biabclfhiaeclfheadc98fhvxekdnalmbdnaiciGTmbadTmlabadcufgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc9:fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc99fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc98fgdfaeadfRbb86bbkadcl6mbdnadc98fgocd4cefciGgiTmbaec98fhlabc98fhvinavadfaladfydbBdbadc98fhdaicufgimbkkaocx6mbaec9Wfhvabc9WfhoinaoadfgicxfavadfglcxfydbBdbaicwfalcwfydbBdbaiclfalclfydbBdbaialydbBdbadc9Wfgdci0mbkkadTmdadhidnadciGglTmbaecufhvabcufhoadhiinaoaifavaifRbb86bbaicufhialcufglmbkkadcl6mdaec98fhlabc98fhvinavaifgecifalaifgdcifRbb86bbaecdfadcdfRbb86bbaecefadcefRbb86bbaeadRbb86bbaic98fgimbxikkavcl6mbdnavc98fglcd4cefcrGgdTmbavadcdt9RhvinaiaeydbBdbaeclfheaiclfhiadcufgdmbkkalc36mbinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaiaeydzBdzaiaeydCBdCaiaeydKBdKaiaeyd3Bd3aecafheaicafhiavc9Gfgvci0mbkkavTmbdndnavcrGgdmbavhlxekavc94GhlinaiaeRbb86bbaicefhiaecefheadcufgdmbkkavcw6mbinaiaeRbb86bbaiaeRbe86beaiaeRbd86bdaiaeRbi86biaiaeRbl86blaiaeRbv86bvaiaeRbo86boaiaeRbr86braicwfhiaecwfhealc94fglmbkkabkkAebcjwkxebbbdbbbzNbb'; // embed! wasm
@@ -75,16 +75,10 @@ var MeshoptClusterizer = (function () {
 		return {
 			vertices: buffers.vertices.subarray(vertexOffset, vertexOffset + vertexCount),
 			triangles: buffers.triangles.subarray(triangleOffset, triangleOffset + triangleCount * 3),
-		}
+		};
 	}
 
-	function buildMeshlets(indices,
-						   vertex_count,
-						   max_vertices,
-						   max_triangles,
-						   cone_weight,
-						   vertex_positions,
-						   vertex_positions_stride) {
+	function buildMeshlets(indices, vertex_count, max_vertices, max_triangles, cone_weight, vertex_positions, vertex_positions_stride) {
 		var max_meshlets = buildMeshletsBound(indices.length, max_vertices, max_triangles);
 
 		var sbrk = instance.exports.sbrk;
@@ -153,9 +147,13 @@ var MeshoptClusterizer = (function () {
 		// populate result arrays
 		var result = {
 			meshlets: meshlets,
-			vertices: new Uint32Array(meshletVerticesBytes.buffer, meshletVerticesBytes.byteOffset, meshletVerticesBytes.byteLength / Uint32Array.BYTES_PER_ELEMENT).slice(),
+			vertices: new Uint32Array(
+				meshletVerticesBytes.buffer,
+				meshletVerticesBytes.byteOffset,
+				meshletVerticesBytes.byteLength / Uint32Array.BYTES_PER_ELEMENT
+			).slice(),
 			triangles: new Uint8Array(meshletTriangles.buffer, meshletTriangles.byteOffset, meshletTriangles.byteLength).slice(),
-			meshletCount: meshletCount
+			meshletCount: meshletCount,
 		};
 
 		// reset memory
@@ -182,7 +180,7 @@ var MeshoptClusterizer = (function () {
 			coneAxisX: boundsFloats[7],
 			coneAxisY: boundsFloats[8],
 			coneAxisZ: boundsFloats[9],
-			coneCutoff: boundsFloats[10]
+			coneCutoff: boundsFloats[10],
 		};
 	}
 
@@ -248,14 +246,7 @@ var MeshoptClusterizer = (function () {
 		heap.set(bytes(indices), indicesp);
 		heap.set(bytes(vertex_positions), verticesp);
 
-		instance.exports.meshopt_computeClusterBounds(
-			resultp,
-			indicesp,
-			indices.length,
-			verticesp,
-			vertex_count,
-			vertex_positions_stride
-		);
+		instance.exports.meshopt_computeClusterBounds(resultp, indicesp, indices.length, verticesp, vertex_count, vertex_positions_stride);
 
 		var result = extractBounds(resultp);
 
@@ -268,12 +259,7 @@ var MeshoptClusterizer = (function () {
 	return {
 		ready: ready,
 		supported: true,
-		buildMeshlets: function (indices,
-								 vertex_positions,
-								 vertex_positions_stride,
-								 max_vertices,
-								 max_triangles,
-								 cone_weight) {
+		buildMeshlets: function (indices, vertex_positions, vertex_positions_stride, max_vertices, max_triangles, cone_weight) {
 			assert(vertex_positions.length % vertex_positions_stride === 0);
 			assert(max_vertices <= 255 || max_vertices > 0);
 			assert(max_triangles <= 512);
@@ -292,9 +278,7 @@ var MeshoptClusterizer = (function () {
 				vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT
 			);
 		},
-		computeClusterBounds: function (indices,
-										vertex_positions,
-										vertex_positions_stride) {
+		computeClusterBounds: function (indices, vertex_positions, vertex_positions_stride) {
 			assert(vertex_positions.length % vertex_positions_stride === 0);
 
 			var ind32 = index32(indices);
@@ -302,25 +286,15 @@ var MeshoptClusterizer = (function () {
 			assert(ind32.length / 3 <= 512);
 			assert(ind32.length % 3 === 0);
 
-			return computeClusterBounds(
-				index32(indices),
-				vertex_positions,
-				vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT
-			);
+			return computeClusterBounds(index32(indices), vertex_positions, vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT);
 		},
-		computeMeshletBounds: function (buffers,
-										vertex_positions,
-										vertex_positions_stride) {
-			return computeMeshletBounds(
-				buffers,
-				vertex_positions,
-				vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT
-			);
+		computeMeshletBounds: function (buffers, vertex_positions, vertex_positions_stride) {
+			return computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT);
 		},
 		extractMeshlet: function (buffers, index) {
 			assert(index >= 0 && index < buffers.meshletCount);
 			return extractMeshlet(buffers, index);
-		}
+		},
 	};
 })();
 
diff --git a/js/meshopt_clusterizer.module.d.ts b/js/meshopt_clusterizer.module.d.ts
index 73ebd5c102..d2890c3fa3 100644
--- a/js/meshopt_clusterizer.module.d.ts
+++ b/js/meshopt_clusterizer.module.d.ts
@@ -31,7 +31,14 @@ export const MeshoptClusterizer: {
 	supported: boolean;
 	ready: Promise<void>;
 
-	buildMeshlets: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, max_vertices: number, max_triangles: number, cone_weight?: number) => MeshletBuffers;
+	buildMeshlets: (
+		indices: Uint32Array,
+		vertex_positions: Float32Array,
+		vertex_positions_stride: number,
+		max_vertices: number,
+		max_triangles: number,
+		cone_weight?: number
+	) => MeshletBuffers;
 	computeClusterBounds: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number) => Bounds;
 	computeMeshletBounds: (buffers: MeshletBuffers, vertex_positions: Float32Array, vertex_positions_stride: number) => Bounds | Bounds[];
 	extractMeshlet: (buffers: MeshletBuffers, index: number) => Meshlet;
diff --git a/js/meshopt_clusterizer.module.js b/js/meshopt_clusterizer.module.js
index 3f3dbe88da..87c0d9580f 100644
--- a/js/meshopt_clusterizer.module.js
+++ b/js/meshopt_clusterizer.module.js
@@ -1,7 +1,7 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptClusterizer = (function () {
-	// Built with clang version 18.1.2-wasi-sdk
+	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
 		'b9H79Tebbbe9Rx9Geueu9Geub9Gbb9Giuuueu9Gkuuuuuuuuuu99eu9Gvuuuuueu9Gxuuuuuuuuu9999ueu9Gruuuuuuub9Gkuuuuuuuuuuueu9Gouuuuuub9Giuuub9GluuuubiOHdilvorwDqrkbiibeilve9Weiiviebeoweuec:q:Odkr:Yewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9I919P29K9nW79O2Wt79c9V919U9KbeX9TW79O9V9Wt9F9I919P29K9nW79O2Wt7bd39TW79O9V9Wt9F9J9V9T9W91tWJ2917tWV9c9V919U9K7br39TW79O9V9Wt9F9J9V9T9W91tW9nW79O2Wt9c9V919U9K7bDL9TW79O9V9Wt9F9V9Wt9P9T9P96W9nW79O2Wtbql79IV9RbkDwebcekdsPq:H9kHdbkIbabaec9:fgefcufae9Ugeabci9Uadfcufad9Ugbaeab0Ek;HOlPue99eux998Jjjjjbc:We9Rgk8Kjjjjbakc;mbfcbc;Kbz:njjjb8AakcuaocdtgxaocFFFFi0Egmcbyd:e1jjbHjjjjbbgPBd9makceBd:SeakaPBdnakamcbyd:e1jjbHjjjjbbgsBd9qakcdBd:SeakasBd9eakcualcdtalcFFFFi0Ecbyd:e1jjbHjjjjbbgzBd9uakazBd9iakciBd:SeaPcbaxz:njjjbhHalci9UhOdnalTmbaihPalhAinaHaPydbcdtfgCaCydbcefBdbaPclfhPaAcufgAmbkkdnaoTmbcbhPashAaHhCaohXinaAaPBdbaAclfhAaCydbaPfhPaCclfhCaXcufgXmbkkdnalci6mbcbhPaihAinaAcwfydbhCaAclfydbhXasaAydbcdtfgQaQydbgQcefBdbazaQcdtfaPBdbasaXcdtfgXaXydbgXcefBdbazaXcdtfaPBdbasaCcdtfgCaCydbgCcefBdbazaCcdtfaPBdbaAcxfhAaOaPcefgP9hmbkkdnaoTmbaHhAashPaohCinaPaPydbaAydb9RBdbaAclfhAaPclfhPaCcufgCmbkkakamcbyd:e1jjbHjjjjbbgPBd9yakclBd:SeaPaHaxz:mjjjbhmakaOcbyd:e1jjbHjjjjbbgPBd9CakcvBd:SeaPcbaOz:njjjbhLakcuaOcK2alcjjjjd0Ecbyd:e1jjbHjjjjbbgKBd9GakcoBd:SeJbbbbhYdnalci6g8Ambarcd4hxaihAaKhPaOhrJbbbbhEinavaAclfydbax2cdtfgCIdlh3avaAydbax2cdtfgXIdlhYavaAcwfydbax2cdtfgQIdlh5aCIdwh8EaXIdwh8FaQIdwhaaPaCIdbghaXIdbggMaQIdbg8JMJbbnn:vUdbaPclfaXIdlaCIdlMaQIdlMJbbnn:vUdbaQIdwh8KaCIdwh8LaXIdwh8MaPcxfa3aY:tg3aaa8F:tgaNa5aY:tg5a8Ea8F:tg8EN:tgYJbbbbJbbjZahag:tgha5Na8Jag:tgga3N:tg8Fa8FNaYaYNa8EagNaaahN:tgYaYNMM:rgg:vagJbbbb9BEg3NUdbaPczfaYa3NUdbaPcCfa8Fa3NUdbaPcwfa8Ka8Ma8LMMJbbnn:vUdbaEagMhEaAcxfhAaPcKfhParcufgrmbkaEaO:Z:vJbbbZNhYkakcuaOcdtalcFFFF970Ecbyd:e1jjbHjjjjbbgCBd9KakcrBd:SeaYaD:ZN:rhYdna8AmbcbhPaChAinaAaPBdbaAclfhAaOaPcefgP9hmbkkaYJbbbZNh8MakcuaOcltalcFFFFd0Ecbyd:e1jjbHjjjjbbg8ABd9OakcwBd:Secba8AaKaCaOz:djjjb8Aakaocbyd:e1jjbHjjjjbbgPBd2aPcFeaoz:njjjbhrakc8Wfcwf9cb83ibak9cb83i8WcbhPJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgcbhlinJbbbbh3dnaPTmbJbbjZaP:Z:vh3kaka8Ea3NgaUdaaka5a3NghUd3akaEa3Ng8JUdKJbbbbh3dnagagNaYaYNa8Fa8FNMMg8KJbbbb9BmbJbbjZa8K:r:vh3kakaga3NUd8Saka8Fa3NUdyakaYa3NUd8KakcbBdCdndndnakyd8WgXakydUgAakcKfaeaiakc;abfaKamara8MaqakcCfz:ejjjbgCcuSmbdnaPaD9pmbakydCaAfaw9nmdkaXaAcbaeaiakc;abfaKamara8MJbbbbcbz:ejjjbgCcu9hmekakaaUdzakahUdxaka8JUdwakcuBdlakcFFF;7rBdba8AcbaKaLakcwfakclfakz:fjjjbakydlgCcuSmekdnakc8WfaiaCcx2fgOydbgPaOclfydbgAaOcwfydbgXarabaeadalawaDz:gjjjbTmbalcefhlJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgkamaPcdtfgPaPydbcufBdbamaAcdtfgPaPydbcufBdbamaXcdtfgPaPydbcufBdbcbhXinazasaOaXcdtfydbcdtgAfydbcdtfgxhPaHaAfgvydbgQhAdnaQTmbdninaPydbaCSmeaPclfhPaAcufgATmdxbkkaPaxaQcdtfc98fydbBdbavavydbcufBdbkaXcefgXci9hmbkaKaCcK2fgPIdbh3aPIdlhaaPIdwhhaPIdxh8JaPIdzh8KaPIdCh8LaLaCfce86bbaga8LMhga8Fa8KMh8FaYa8JMhYa8EahMh8Ea5aaMh5aEa3MhEakyd88hPxekkdnaPTmbdnakyd80gAaPci2fgCciGTmbadaCfcbaPaAcu7fciGcefz:njjjb8AkabalcltfgPak8Pi8W83dbaPcwfakc8Wfcwf8Pib83dbalcefhlkcahPdninaPc98Smeakc;mbfaPfydbcbydj1jjbH:bjjjbbaPc98fhPxbkkakc:Wef8Kjjjjbalk;3vivuv99lu8Jjjjjbca9Rgv8Kjjjjbdndnalcw0mbaiydbhoaeabcitfgralcdtcufBdlaraoBdbdnalcd6mbaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkkalabfhrxekcbhDavczfcwfcbBdbav9cb83izavcwfcbBdbav9cb83ibJbbjZhqJbbjZhkinadaiaDcdtfydbcK2fhwcbhrinavczfarfgoawarfIdbgxaoIdbgm:tgPakNamMgmUdbavarfgoaPaxam:tNaoIdbMUdbarclfgrcx9hmbkJbbjZaqJbbjZMgq:vhkaDcefgDal9hmbkcbhoadcbcecdavIdlgxavIdwgm9GEgravIdbgPam9GEaraPax9GEgscdtgrfhzavczfarfIdbhxaihralhwinaiaocdtfgDydbhHaDarydbgOBdbaraHBdbarclfhraoazaOcK2fIdbax9Dfhoawcufgwmbkaeabcitfhrdndnaocv6mbaoalc98f6mekaraiydbBdbaralcdtcufBdlaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkalabfhrxekaraxUdbaeabcitfgrarydlc98GasVBdlabcefaeadaiaoz:djjjbhwararydlciGawabcu7fcdtVBdlawaeadaiaocdtfalao9Rz:djjjbhrkavcaf8Kjjjjbark;eloeue99vue99oue99dndnaembcuhxcvhbxekJbbjZaq:thmaiabcdtfhPavydbhsavydlhzavydwhHcbhOJFFuuhAcvhbcuhxindnasaPaOcdtfydbcdtgvfydbgCTmbaHazavfydbcdtfhvindndndnawalavydbgXcx2fgiclfydbgQfRbbcFeSawaiydbgLfRbbcFeSfawaicwfydbgKfRbbcFeSfgimbcbhYxekdndnaraLcdtfydbceSmbaraQcdtfydbceSmbaraKcdtfydbce9hmekcbhikaiab9pmeaicefhYkdndnadTmbaoaXcK2fgiIdwadIdw:tg8Aa8ANaiIdbadIdb:tg8Aa8ANaiIdladIdl:tg8Aa8ANMM:raD:vamNJbbjZMJ9VO:d86JbbjZaiIdCadIdCNaiIdxadIdxNaiIdzadIdzNMMaqN:tg8Aa8AJ9VO:d869DENh8AxekaraLcdtfydbaraQcdtfydbfaraKcdtfydbfc99f:Zh8AkaXaxaYab6a8AaA9DVgiEhxaYabaiEhba8AaAaiEhAkavclfhvaCcufgCmbkkaOcefgOae9hmbkkdnakTmbakabBdbkaxk;bddlue99dndndnabaecitfgrydlgwciGgDci9hmbarclfhqxekinabcbawcd4gwalaDcdtfIdbabaecitfIdb:tgkJbbbb9FEgDaecefgefadaialavaoz:fjjjbak:laoIdb9FTmdabaDaw7aefgecitfgrydlgwciGgDci9hmbkarclfhqkabaecitfhecuhbindnaiaeydbgDfRbbmbadaDcK2fgrIdwalIdw:tgkakNarIdbalIdb:tgkakNarIdlalIdl:tgkakNMM:rgkaoIdb9DTmbaoakUdbavaDBdbaqydbhwkaecwfheabcefgbawcd46mbkkk;yleoudnaladfgkRbbcFeSalaefgxRbbgmcFeSfabydwgPfalaifgsRbbcFeSfaD0abydxaq9pVgzce9hmbavawcltfgmab8Pdb83dbamcwfabcwfgm8Pdb83dbdndnamydbmbcbhqxekcbhDaohminalamabydbcdtfydbfcFe86bbamclfhmaDcefgDabydwgq6mbkkdnabydxglci2gDabydlgmfgPciGTmbaraPfcbalamcu7fciGcefz:njjjb8Aabydxci2hDabydlhmabydwhqkab9cb83dwababydbaqfBdbabaDcifc98GamfBdlaxRbbhmcbhPkdnamcFeGcFe9hmbaxaP86bbababydwgmcefBdwaoabydbcdtfamcdtfaeBdbkdnakRbbcFe9hmbakabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfadBdbkdnasRbbcFe9hmbasabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfaiBdbkarabydlfabydxci2faxRbb86bbarabydlfabydxci2fcefakRbb86bbarabydlfabydxci2fcdfasRbb86bbababydxcefBdxazk;Ckovud99euv99eul998Jjjjjbc:G;ae9Rgo8KjjjjbdndnadTmbavcd4hrcbhwcbhDindnaiaeclfydbar2cdtfgvIdbaiaeydbar2cdtfgqIdbgk:tgxaiaecwfydbar2cdtfgmIdlaqIdlgP:tgsNamIdbak:tgzavIdlaP:tgPN:tgkakNaPamIdwaqIdwgH:tgONasavIdwaH:tgHN:tgPaPNaHazNaOaxN:tgxaxNMM:rgsJbbbb9Bmbaoc:G:qefawcx2fgAakas:vUdwaAaxas:vUdlaAaPas:vUdbaocafawc8K2fgAaq8Pdb83dbaAav8Pdb83dxaAam8Pdb83dKaAcwfaqcwfydbBdbaAcCfavcwfydbBdbaAcafamcwfydbBdbawcefhwkaecxfheaDcifgDad6mbkab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbawTmeao9cb83iKao9cb83izaoczfaocafawci2z1jjjbaoIdKhCaoIdChXaoIdzhQao9cb83iwao9cb83ibaoaoc:G:qefawz1jjjbJbbjZhkaoIdwgPJbbbbJbbjZaPaPNaoIdbgPaPNaoIdlgsasNMM:rgx:vaxJbbbb9BEgzNhxasazNhsaPazNhzaoc:G:qefheawhvinaecwfIdbaxNaeIdbazNasaeclfIdbNMMgPakaPak9DEhkaecxfheavcufgvmbkabaCUdwabaXUdlabaQUdbabaoId3UdxdndnakJ;n;m;m899FmbJbbbbhPaoc:G:qefheaocafhvinaCavcwfIdb:taecwfIdbgHNaQavIdb:taeIdbgONaXavclfIdb:taeclfIdbgLNMMaxaHNazaONasaLNMM:vgHaPaHaP9EEhPavc8KfhvaecxfheawcufgwmbkabazUd3abc8KfaxUdbabcafasUdbabcKfaCaxaPN:tUdbabcCfaXasaPN:tUdbabaQazaPN:tUdzabJbbjZakakN:t:rgkUdydndnaxJbbj:;axJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;axJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohexekcjjjj94hekabc8Ufae86bbdndnasJbbj:;asJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;asJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohvxekcjjjj94hvkabcRfav86bbdndnazJbbj:;azJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;azJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohqxekcjjjj94hqkabaq86b8SdndnaecKtcK91:YJbb;:9c:vax:t:lavcKtcK91:YJbb;:9c:vas:t:laqcKtcK91:YJbb;:9c:vaz:t:lakMMMJbb;:9cNJbbjZMgk:lJbbb9p9DTmbak:Ohexekcjjjj94hekaecFbaecFb9iEhexekabcjjj;8iBdycFbhekabae86b8Vxekab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbkaoc:G;aef8Kjjjjbk:mvdouq99cbhi8Jjjjjbca9RglczfcwfcbBdbal9cb83izalcwfcbBdbal9cb83ibdnadTmbcbhvinaeaifhocbhrinalczfarfgwavawydbgwaoarfIdbgDaearawcx2ffIdb9DEBdbalarfgwavawydbgwaDaearawcx2ffIdb9EEBdbarclfgrcx9hmbkaicxfhiavcefgvad9hmbkkJbbbbhDcbhrcbhicbhvinaealarfydbcx2fgwIdwaealczfarfydbcx2fgoIdw:tgqaqNawIdbaoIdb:tgqaqNawIdlaoIdl:tgqaqNMMgqaDaqaD9EgwEhDavaiawEhiarclfhravcefgvci9hmbkaealczfaicdtgvfydbcx2fgrIdwaealavfydbcx2fglIdwMJbbbZNhqarIdlalIdlMJbbbZNhkarIdbalIdbMJbbbZNhxaD:rJbbbZNhDdnadTmbindnaecwfIdbgmaq:tgPaPNaeIdbgsax:tgPaPNaeclfIdbgzak:tgPaPNMMgPaDaDN9ETmbaqaDaP:rgH:vJbbbZNJbbbZMgPNamJbbjZaP:tgONMhqakaPNazaONMhkaxaPNasaONMhxaDaHMJbbbZNhDkaecxfheadcufgdmbkkabaDUdxabaqUdwabakUdlabaxUdbkjeeiu8Jjjjjbcj8W9Rgr8Kjjjjbaici2hwdnaiTmbawceawce0EhDarhiinaiaeadRbbcdtfydbBdbadcefhdaiclfhiaDcufgDmbkkabarawaladaoz:hjjjbarcj8Wf8Kjjjjbk:Ylequ8Jjjjjbcjx9Rgl8Kjjjjbcbhvalcjqfcbaiz:njjjb8AdndnadTmbcjehoaehrincuhwarhDcuhqavhkdninawakaoalcjqfaDcefRbbfRbb9RcFeGci6aoalcjqfaDRbbfRbb9RcFeGci6faoalcjqfaDcdfRbbfRbb9RcFeGci6fgxaq9mgmEhwdnammbaxce0mdkaxaqaxaq9kEhqaDcifhDadakcefgk9hmbkkaeawci2fgDcdfRbbhqaDcefRbbhxaDRbbhkaeavci2fgDcifaDawav9Rci2z:qjjjb8Aakalcjqffaocefgo86bbaxalcjqffao86bbaDcdfaq86bbaDcefax86bbaDak86bbaqalcjqffao86bbarcifhravcefgvad9hmbkalcFeaiz:njjjbhoadci2gDceaDce0EhqcbhxindnaoaeRbbgkfgwRbbgDcFe9hmbawax86bbaocjdfaxcdtfabakcdtfydbBdbaxhDaxcefhxkaeaD86bbaecefheaqcufgqmbkaxcdthDxekcbhDkabalcjdfaDz:mjjjb8Aalcjxf8Kjjjjbk9teiucbcbyd11jjbgeabcifc98GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd11jjbgeabcrfc94GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd11jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd11jjbfgdBd11jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk:;Deludndndnadch9pmbabaeSmdaeabadfgi9Rcbadcet9R0mekabaead;8qbbxekaeab7ciGhldndndnabae9pmbdnalTmbadhvabhixikdnabciGmbadhvabhixdkadTmiabaeRbb86bbadcufhvdnabcefgiciGmbaecefhexdkavTmiabaeRbe86beadc9:fhvdnabcdfgiciGmbaecdfhexdkavTmiabaeRbd86bdadc99fhvdnabcifgiciGmbaecifhexdkavTmiabaeRbi86biabclfhiaeclfheadc98fhvxekdnalmbdnaiciGTmbadTmlabadcufgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc9:fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc99fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc98fgdfaeadfRbb86bbkadcl6mbdnadc98fgocd4cefciGgiTmbaec98fhlabc98fhvinavadfaladfydbBdbadc98fhdaicufgimbkkaocx6mbaec9Wfhvabc9WfhoinaoadfgicxfavadfglcxfydbBdbaicwfalcwfydbBdbaiclfalclfydbBdbaialydbBdbadc9Wfgdci0mbkkadTmdadhidnadciGglTmbaecufhvabcufhoadhiinaoaifavaifRbb86bbaicufhialcufglmbkkadcl6mdaec98fhlabc98fhvinavaifgecifalaifgdcifRbb86bbaecdfadcdfRbb86bbaecefadcefRbb86bbaeadRbb86bbaic98fgimbxikkavcl6mbdnavc98fglcd4cefcrGgdTmbavadcdt9RhvinaiaeydbBdbaeclfheaiclfhiadcufgdmbkkalc36mbinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaiaeydzBdzaiaeydCBdCaiaeydKBdKaiaeyd3Bd3aecafheaicafhiavc9Gfgvci0mbkkavTmbdndnavcrGgdmbavhlxekavc94GhlinaiaeRbb86bbaicefhiaecefheadcufgdmbkkavcw6mbinaiaeRbb86bbaiaeRbe86beaiaeRbd86bdaiaeRbi86biaiaeRbl86blaiaeRbv86bvaiaeRbo86boaiaeRbr86braicwfhiaecwfhealc94fglmbkkabkkAebcjwkxebbbdbbbzNbb'; // embed! wasm
@@ -75,16 +75,10 @@ var MeshoptClusterizer = (function () {
 		return {
 			vertices: buffers.vertices.subarray(vertexOffset, vertexOffset + vertexCount),
 			triangles: buffers.triangles.subarray(triangleOffset, triangleOffset + triangleCount * 3),
-		}
+		};
 	}
 
-	function buildMeshlets(indices,
-						   vertex_count,
-						   max_vertices,
-						   max_triangles,
-						   cone_weight,
-						   vertex_positions,
-						   vertex_positions_stride) {
+	function buildMeshlets(indices, vertex_count, max_vertices, max_triangles, cone_weight, vertex_positions, vertex_positions_stride) {
 		var max_meshlets = buildMeshletsBound(indices.length, max_vertices, max_triangles);
 
 		var sbrk = instance.exports.sbrk;
@@ -153,9 +147,13 @@ var MeshoptClusterizer = (function () {
 		// populate result arrays
 		var result = {
 			meshlets: meshlets,
-			vertices: new Uint32Array(meshletVerticesBytes.buffer, meshletVerticesBytes.byteOffset, meshletVerticesBytes.byteLength / Uint32Array.BYTES_PER_ELEMENT).slice(),
+			vertices: new Uint32Array(
+				meshletVerticesBytes.buffer,
+				meshletVerticesBytes.byteOffset,
+				meshletVerticesBytes.byteLength / Uint32Array.BYTES_PER_ELEMENT
+			).slice(),
 			triangles: new Uint8Array(meshletTriangles.buffer, meshletTriangles.byteOffset, meshletTriangles.byteLength).slice(),
-			meshletCount: meshletCount
+			meshletCount: meshletCount,
 		};
 
 		// reset memory
@@ -182,7 +180,7 @@ var MeshoptClusterizer = (function () {
 			coneAxisX: boundsFloats[7],
 			coneAxisY: boundsFloats[8],
 			coneAxisZ: boundsFloats[9],
-			coneCutoff: boundsFloats[10]
+			coneCutoff: boundsFloats[10],
 		};
 	}
 
@@ -248,14 +246,7 @@ var MeshoptClusterizer = (function () {
 		heap.set(bytes(indices), indicesp);
 		heap.set(bytes(vertex_positions), verticesp);
 
-		instance.exports.meshopt_computeClusterBounds(
-			resultp,
-			indicesp,
-			indices.length,
-			verticesp,
-			vertex_count,
-			vertex_positions_stride
-		);
+		instance.exports.meshopt_computeClusterBounds(resultp, indicesp, indices.length, verticesp, vertex_count, vertex_positions_stride);
 
 		var result = extractBounds(resultp);
 
@@ -268,12 +259,7 @@ var MeshoptClusterizer = (function () {
 	return {
 		ready: ready,
 		supported: true,
-		buildMeshlets: function (indices,
-								 vertex_positions,
-								 vertex_positions_stride,
-								 max_vertices,
-								 max_triangles,
-								 cone_weight) {
+		buildMeshlets: function (indices, vertex_positions, vertex_positions_stride, max_vertices, max_triangles, cone_weight) {
 			assert(vertex_positions.length % vertex_positions_stride === 0);
 			assert(max_vertices <= 255 || max_vertices > 0);
 			assert(max_triangles <= 512);
@@ -292,9 +278,7 @@ var MeshoptClusterizer = (function () {
 				vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT
 			);
 		},
-		computeClusterBounds: function (indices,
-										vertex_positions,
-										vertex_positions_stride) {
+		computeClusterBounds: function (indices, vertex_positions, vertex_positions_stride) {
 			assert(vertex_positions.length % vertex_positions_stride === 0);
 
 			var ind32 = index32(indices);
@@ -302,25 +286,15 @@ var MeshoptClusterizer = (function () {
 			assert(ind32.length / 3 <= 512);
 			assert(ind32.length % 3 === 0);
 
-			return computeClusterBounds(
-				index32(indices),
-				vertex_positions,
-				vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT
-			);
+			return computeClusterBounds(index32(indices), vertex_positions, vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT);
 		},
-		computeMeshletBounds: function (buffers,
-										vertex_positions,
-										vertex_positions_stride) {
-			return computeMeshletBounds(
-				buffers,
-				vertex_positions,
-				vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT
-			);
+		computeMeshletBounds: function (buffers, vertex_positions, vertex_positions_stride) {
+			return computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT);
 		},
 		extractMeshlet: function (buffers, index) {
 			assert(index >= 0 && index < buffers.meshletCount);
 			return extractMeshlet(buffers, index);
-		}
+		},
 	};
 })();
 
diff --git a/js/meshopt_clusterizer.test.js b/js/meshopt_clusterizer.test.js
index 0de4c73099..3fd5506929 100644
--- a/js/meshopt_clusterizer.test.js
+++ b/js/meshopt_clusterizer.test.js
@@ -6,59 +6,34 @@ process.on('unhandledRejection', (error) => {
 	process.exit(1);
 });
 
-
 const cubeWithNormals = {
 	vertices: new Float32Array([
 		// n = (0, 0, 1)
-		-1.0, -1.0,  1.0, 0.0, 0.0, 1.0,
-		1.0, -1.0,  1.0, 0.0, 0.0, 1.0,
-		1.0,  1.0,  1.0, 0.0, 0.0, 1.0,
-		-1.0,  1.0,  1.0, 0.0, 0.0, 1.0,
+		-1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, -1.0, 1.0, 1.0, 0.0, 0.0, 1.0,
 		// n = (0, 0, -1)
-		-1.0,  1.0, -1.0, 0.0, 0.0, -1.0,
-		1.0,  1.0, -1.0, 0.0, 0.0, -1.0,
-		1.0, -1.0, -1.0, 0.0, 0.0, -1.0,
-		-1.0, -1.0, -1.0, 0.0, 0.0, -1.0,
+		-1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 1.0, -1.0, -1.0, 0.0, 0.0, -1.0, -1.0, -1.0, -1.0, 0.0, 0.0, -1.0,
 		// n = (1, 0, 0)
-		1.0, -1.0, -1.0, 1.0, 0.0, 0.0,
-		1.0,  1.0, -1.0, 1.0, 0.0, 0.0,
-		1.0,  1.0,  1.0, 1.0, 0.0, 0.0,
-		1.0, -1.0,  1.0, 1.0, 0.0, 0.0,
+		1.0, -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, -1.0, 1.0, 1.0, 0.0, 0.0,
 		// n = (-1, 0, 0)
-		-1.0, -1.0,  1.0, -1.0, 0.0, 0.0,
-		-1.0,  1.0,  1.0, -1.0, 0.0, 0.0,
-		-1.0,  1.0, -1.0, -1.0, 0.0, 0.0,
-		-1.0, -1.0, -1.0, -1.0, 0.0, 0.0,
+		-1.0, -1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 1.0, -1.0, -1.0, 0.0, 0.0, -1.0, -1.0, -1.0, -1.0, 0.0, 0.0,
 		// n = (0, 1, 0)
-		1.0,  1.0, -1.0, 0.0, 1.0, 0.0,
-		-1.0,  1.0, -1.0, 0.0, 1.0, 0.0,
-		-1.0,  1.0,  1.0, 0.0, 1.0, 0.0,
-		1.0,  1.0,  1.0, 0.0, 1.0, 0.0,
+		1.0, 1.0, -1.0, 0.0, 1.0, 0.0, -1.0, 1.0, -1.0, 0.0, 1.0, 0.0, -1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0,
 		// n = (0, -1, 0)
-		1.0, -1.0,  1.0, 0.0, -1.0, 0.0,
-		-1.0, -1.0,  1.0, 0.0, -1.0, 0.0,
-		-1.0, -1.0, -1.0, 0.0, -1.0, 0.0,
-		1.0, -1.0, -1.0, 0.0, -1.0, 0.0,
+		1.0, -1.0, 1.0, 0.0, -1.0, 0.0, -1.0, -1.0, 1.0, 0.0, -1.0, 0.0, -1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 1.0, -1.0, -1.0, 0.0, -1.0, 0.0,
 	]),
 	indices: new Uint32Array([
 		// n = (0, 0, 1)
-		0,  1,  2,
-		2,  3,  0,
+		0, 1, 2, 2, 3, 0,
 		// n = (0, 0, -1)
-		4,  5,  6,
-		6,  7,  4,
+		4, 5, 6, 6, 7, 4,
 		// n = (1, 0, 0)
-		8,  9, 10,
-		10, 11,  8,
+		8, 9, 10, 10, 11, 8,
 		// n = (-1, 0, 0)
-		12, 13, 14,
-		14, 15, 12,
+		12, 13, 14, 14, 15, 12,
 		// n = (0, 1, 0)
-		16, 17, 18,
-		18, 19, 16,
+		16, 17, 18, 18, 19, 16,
 		// n = (0, -1, 0)
-		20, 21, 22,
-		22, 23, 20,
+		20, 21, 22, 22, 23, 20,
 	]),
 	vertexStride: 6, // in floats
 };
@@ -94,7 +69,7 @@ const tests = {
 			const bounds = clusterizer.computeClusterBounds(
 				cubeWithNormals.indices.subarray(indexOffset, 6 + indexOffset),
 				cubeWithNormals.vertices,
-				cubeWithNormals.vertexStride,
+				cubeWithNormals.vertexStride
 			);
 			assert.deepStrictEqual(
 				new Int32Array([bounds.coneAxisX, bounds.coneAxisY, bounds.coneAxisZ]),
@@ -128,7 +103,7 @@ const tests = {
 	},
 };
 
-clusterizer.ready.then(_ => {
+clusterizer.ready.then((_) => {
 	let passed = 0;
 	let failed = 0;
 

From 5c00ac67cde0a1a325fdc85d6420f9ff3b9222eb Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 21 Aug 2024 21:17:26 -0700
Subject: [PATCH 208/581] js: Fix code style in meshopt_clusterizer module

- Rename all internal variables to snake_case to match code style
- Remove index32 function in favor of a ternary expression to match
  simplifier
- Inline BYTES_PER_ELEMENT constants where appropriate and inline some
  other basic expressions
---
 js/index.js                      |   2 +-
 js/meshopt_clusterizer.js        | 167 ++++++++++++-------------------
 js/meshopt_clusterizer.module.js | 167 ++++++++++++-------------------
 3 files changed, 131 insertions(+), 205 deletions(-)

diff --git a/js/index.js b/js/index.js
index 3ccf99221a..5fb338a667 100644
--- a/js/index.js
+++ b/js/index.js
@@ -1,6 +1,6 @@
 const MeshoptEncoder = require('./meshopt_encoder.js');
 const MeshoptDecoder = require('./meshopt_decoder.js');
 const MeshoptSimplifier = require('./meshopt_simplifier.js');
-const MeshoptClusterizer = require('./meshopt_clusterizer');
+const MeshoptClusterizer = require('./meshopt_clusterizer.js');
 
 module.exports = { MeshoptEncoder, MeshoptDecoder, MeshoptSimplifier, MeshoptClusterizer };
diff --git a/js/meshopt_clusterizer.js b/js/meshopt_clusterizer.js
index 2ebe747c4f..3e5d2fc920 100644
--- a/js/meshopt_clusterizer.js
+++ b/js/meshopt_clusterizer.js
@@ -47,49 +47,29 @@ var MeshoptClusterizer = (function () {
 		return new Uint8Array(view.buffer, view.byteOffset, view.byteLength);
 	}
 
-	function index32(source) {
-		var size = source.BYTES_PER_ELEMENT;
-		assert(size === 2 || size === 4);
-		if (size === 4) {
-			return new Uint32Array(source.buffer, source.byteOffset, source.byteLength / 4);
-		} else {
-			var view = new Uint16Array(source.buffer, source.byteOffset, source.byteLength / 2);
-			return new Uint32Array(view); // copies each element
-		}
-	}
-
 	var BOUNDS_SIZE = 48;
-	var MESHLET_VERTEX_SIZE = Uint32Array.BYTES_PER_ELEMENT;
-
-	function buildMeshletsBound(index_count, max_vertices, max_triangles) {
-		return instance.exports.meshopt_buildMeshletsBound(index_count, max_vertices, max_triangles);
-	}
+	var MESHLET_SIZE = 16;
 
 	function extractMeshlet(buffers, index) {
-		var meshletOffset = index * 4;
-		var vertexOffset = buffers.meshlets[meshletOffset];
-		var triangleOffset = buffers.meshlets[meshletOffset + 1];
-		var vertexCount = buffers.meshlets[meshletOffset + 2];
-		var triangleCount = buffers.meshlets[meshletOffset + 3];
+		var vertex_offset = buffers.meshlets[index * 4 + 0];
+		var triangle_offset = buffers.meshlets[index * 4 + 1];
+		var vertex_count = buffers.meshlets[index * 4 + 2];
+		var triangle_count = buffers.meshlets[index * 4 + 3];
 
 		return {
-			vertices: buffers.vertices.subarray(vertexOffset, vertexOffset + vertexCount),
-			triangles: buffers.triangles.subarray(triangleOffset, triangleOffset + triangleCount * 3),
+			vertices: buffers.vertices.subarray(vertex_offset, vertex_offset + vertex_count),
+			triangles: buffers.triangles.subarray(triangle_offset, triangle_offset + triangle_count * 3),
 		};
 	}
 
 	function buildMeshlets(indices, vertex_count, max_vertices, max_triangles, cone_weight, vertex_positions, vertex_positions_stride) {
-		var max_meshlets = buildMeshletsBound(indices.length, max_vertices, max_triangles);
-
+		var max_meshlets = instance.exports.meshopt_buildMeshletsBound(indices.length, max_vertices, max_triangles);
 		var sbrk = instance.exports.sbrk;
 
-		var meshletSize = 4 * Uint32Array.BYTES_PER_ELEMENT;
-		var meshletTriangleSize = 3;
-
 		// allocate memory
-		var meshletsp = sbrk(max_meshlets * meshletSize);
-		var meshlet_verticesp = sbrk(max_meshlets * max_vertices * MESHLET_VERTEX_SIZE);
-		var meshlet_trianglesp = sbrk(max_meshlets * max_triangles * meshletTriangleSize);
+		var meshletsp = sbrk(max_meshlets * MESHLET_SIZE);
+		var meshlet_verticesp = sbrk(max_meshlets * max_vertices * 4);
+		var meshlet_trianglesp = sbrk(max_meshlets * max_triangles * 3);
 
 		var indicesp = sbrk(indices.byteLength);
 		var verticesp = sbrk(vertex_positions.byteLength);
@@ -99,7 +79,7 @@ var MeshoptClusterizer = (function () {
 		heap.set(bytes(indices), indicesp);
 		heap.set(bytes(vertex_positions), verticesp);
 
-		var meshletCount = instance.exports.meshopt_buildMeshlets(
+		var count = instance.exports.meshopt_buildMeshlets(
 			meshletsp,
 			meshlet_verticesp,
 			meshlet_trianglesp,
@@ -116,44 +96,35 @@ var MeshoptClusterizer = (function () {
 		// heap might (will?) have grown -> re-acquire
 		heap = new Uint8Array(instance.exports.memory.buffer);
 
-		var meshletBytes = heap.subarray(meshletsp, meshletsp + meshletCount * meshletSize);
-		var meshlets = new Uint32Array(meshletBytes.buffer, meshletBytes.byteOffset, meshletBytes.byteLength / Uint32Array.BYTES_PER_ELEMENT).slice();
+		var meshletBytes = heap.subarray(meshletsp, meshletsp + count * MESHLET_SIZE);
+		var meshlets = new Uint32Array(meshletBytes.buffer, meshletBytes.byteOffset, meshletBytes.byteLength / 4).slice();
 
-		for (var i = 0; i < meshletCount; ++i) {
-			var meshletOffset = i * 4;
-			var vertexOffset = meshlets[meshletOffset];
-			var triangleOffset = meshlets[meshletOffset + 1];
-			var vertexCount = meshlets[meshletOffset + 2];
-			var triangleCount = meshlets[meshletOffset + 3];
+		for (var i = 0; i < count; ++i) {
+			var vertex_offset = meshlets[i * 4 + 0];
+			var triangle_offset = meshlets[i * 4 + 1];
+			var vertex_count = meshlets[i * 4 + 2];
+			var triangle_count = meshlets[i * 4 + 3];
 
 			instance.exports.meshopt_optimizeMeshlet(
-				meshlet_verticesp + vertexOffset * Uint32Array.BYTES_PER_ELEMENT,
-				meshlet_trianglesp + triangleOffset,
-				triangleCount,
-				vertexCount
+				meshlet_verticesp + vertex_offset * 4,
+				meshlet_trianglesp + triangle_offset,
+				triangle_count,
+				vertex_count
 			);
 		}
 
-		// heap might have grown? -> re-acquire
-		heap = new Uint8Array(instance.exports.memory.buffer);
-
-		var lastMeshletIndex = (meshletCount - 1) * 4;
-		var meshletVertexCount = meshlets[lastMeshletIndex] + meshlets[lastMeshletIndex + 2];
-		var meshletTriangleCount = meshlets[lastMeshletIndex + 1] + meshlets[lastMeshletIndex + 3];
+		var used_vertices = meshlets[(count - 1) * 4 + 0] + meshlets[(count - 1) * 4 + 2];
+		var used_triangles = meshlets[(count - 1) * 4 + 1] + meshlets[(count - 1) * 4 + 3];
 
-		var meshletVerticesBytes = heap.subarray(meshlet_verticesp, meshlet_verticesp + meshletVertexCount * MESHLET_VERTEX_SIZE);
-		var meshletTriangles = heap.subarray(meshlet_trianglesp, meshlet_trianglesp + ((meshletTriangleCount * 3 + 3) & ~3) * meshletTriangleSize);
+		var result_vertices = heap.subarray(meshlet_verticesp, meshlet_verticesp + used_vertices * 4);
+		var result_triangles = heap.subarray(meshlet_trianglesp, meshlet_trianglesp + ((used_triangles * 3 + 3) & ~3) * 3);
 
 		// populate result arrays
 		var result = {
 			meshlets: meshlets,
-			vertices: new Uint32Array(
-				meshletVerticesBytes.buffer,
-				meshletVerticesBytes.byteOffset,
-				meshletVerticesBytes.byteLength / Uint32Array.BYTES_PER_ELEMENT
-			).slice(),
-			triangles: new Uint8Array(meshletTriangles.buffer, meshletTriangles.byteOffset, meshletTriangles.byteLength).slice(),
-			meshletCount: meshletCount,
+			vertices: new Uint32Array(result_vertices.buffer, result_vertices.byteOffset, result_vertices.byteLength / 4).slice(),
+			triangles: new Uint8Array(result_triangles.buffer, result_triangles.byteOffset, result_triangles.byteLength).slice(),
+			meshletCount: count,
 		};
 
 		// reset memory
@@ -165,28 +136,25 @@ var MeshoptClusterizer = (function () {
 	function extractBounds(boundsp) {
 		var heap = new Uint8Array(instance.exports.memory.buffer);
 
-		var s8DataSize = 4;
-		var boundsBytes = heap.subarray(boundsp, boundsp + BOUNDS_SIZE - s8DataSize);
-		var boundsFloats = new Float32Array(boundsBytes.buffer, boundsBytes.byteOffset, 11);
+		var bounds_bytes = heap.subarray(boundsp, boundsp + BOUNDS_SIZE);
+		var bounds_floats = new Float32Array(bounds_bytes.buffer, bounds_bytes.byteOffset, 11);
 
 		return {
-			centerX: boundsFloats[0],
-			centerY: boundsFloats[1],
-			centerZ: boundsFloats[2],
-			radius: boundsFloats[3],
-			coneApexX: boundsFloats[4],
-			coneApexY: boundsFloats[5],
-			coneApexZ: boundsFloats[6],
-			coneAxisX: boundsFloats[7],
-			coneAxisY: boundsFloats[8],
-			coneAxisZ: boundsFloats[9],
-			coneCutoff: boundsFloats[10],
+			centerX: bounds_floats[0],
+			centerY: bounds_floats[1],
+			centerZ: bounds_floats[2],
+			radius: bounds_floats[3],
+			coneApexX: bounds_floats[4],
+			coneApexY: bounds_floats[5],
+			coneApexZ: bounds_floats[6],
+			coneAxisX: bounds_floats[7],
+			coneAxisY: bounds_floats[8],
+			coneAxisZ: bounds_floats[9],
+			coneCutoff: bounds_floats[10],
 		};
 	}
 
 	function computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride) {
-		assert(buffers.meshletCount !== 0);
-		assert(vertex_positions.byteLength % vertex_positions_stride === 0);
 		var vertex_count = vertex_positions.byteLength / vertex_positions_stride;
 
 		var sbrk = instance.exports.sbrk;
@@ -206,16 +174,15 @@ var MeshoptClusterizer = (function () {
 		heap.set(bytes(buffers.triangles), meshlet_trianglesp);
 
 		for (var i = 0; i < buffers.meshletCount; ++i) {
-			var meshletOffset = i * 4;
-			var vertexOffset = buffers.meshlets[meshletOffset];
-			var triangleOffset = buffers.meshlets[meshletOffset + 1];
-			var triangleCount = buffers.meshlets[meshletOffset + 3];
+			var vertex_offset = buffers.meshlets[i * 4 + 0];
+			var triangle_offset = buffers.meshlets[i * 4 + 0 + 1];
+			var triangle_count = buffers.meshlets[i * 4 + 0 + 3];
 
 			instance.exports.meshopt_computeMeshletBounds(
 				resultp,
-				meshlet_verticesp + vertexOffset * Uint32Array.BYTES_PER_ELEMENT,
-				meshlet_trianglesp + triangleOffset,
-				triangleCount,
+				meshlet_verticesp + vertex_offset * 4,
+				meshlet_trianglesp + triangle_offset,
+				triangle_count,
 				verticesp,
 				vertex_count,
 				vertex_positions_stride
@@ -231,7 +198,6 @@ var MeshoptClusterizer = (function () {
 	}
 
 	function computeClusterBounds(indices, vertex_positions, vertex_positions_stride) {
-		assert(vertex_positions.byteLength % vertex_positions_stride === 0);
 		var vertex_count = vertex_positions.byteLength / vertex_positions_stride;
 
 		var sbrk = instance.exports.sbrk;
@@ -260,39 +226,36 @@ var MeshoptClusterizer = (function () {
 		ready: ready,
 		supported: true,
 		buildMeshlets: function (indices, vertex_positions, vertex_positions_stride, max_vertices, max_triangles, cone_weight) {
-			assert(vertex_positions.length % vertex_positions_stride === 0);
+			assert(vertex_positions.length % vertex_positions_stride == 0);
 			assert(max_vertices <= 255 || max_vertices > 0);
 			assert(max_triangles <= 512);
-			assert(max_triangles % 4 === 0);
+			assert(max_triangles % 4 == 0);
 
-			var vertex_count = vertex_positions.length / vertex_positions_stride;
 			cone_weight = cone_weight || 0.0;
 
-			return buildMeshlets(
-				index32(indices),
-				vertex_count,
-				max_vertices,
-				max_triangles,
-				cone_weight,
-				vertex_positions,
-				vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT
-			);
+			var vertex_count = vertex_positions.length / vertex_positions_stride;
+			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
+
+			return buildMeshlets(indices32, vertex_count, max_vertices, max_triangles, cone_weight, vertex_positions, vertex_positions_stride * 4);
 		},
 		computeClusterBounds: function (indices, vertex_positions, vertex_positions_stride) {
-			assert(vertex_positions.length % vertex_positions_stride === 0);
-
-			var ind32 = index32(indices);
+			assert(vertex_positions.length % vertex_positions_stride == 0);
+			assert(indices.length / 3 <= 512);
+			assert(indices.length % 3 == 0);
 
-			assert(ind32.length / 3 <= 512);
-			assert(ind32.length % 3 === 0);
+			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
 
-			return computeClusterBounds(index32(indices), vertex_positions, vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT);
+			return computeClusterBounds(indices32, vertex_positions, vertex_positions_stride * 4);
 		},
 		computeMeshletBounds: function (buffers, vertex_positions, vertex_positions_stride) {
-			return computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT);
+			assert(buffers.meshletCount != 0);
+			assert(vertex_positions.length % vertex_positions_stride == 0);
+
+			return computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride * 4);
 		},
 		extractMeshlet: function (buffers, index) {
 			assert(index >= 0 && index < buffers.meshletCount);
+
 			return extractMeshlet(buffers, index);
 		},
 	};
diff --git a/js/meshopt_clusterizer.module.js b/js/meshopt_clusterizer.module.js
index 87c0d9580f..50d7d957ef 100644
--- a/js/meshopt_clusterizer.module.js
+++ b/js/meshopt_clusterizer.module.js
@@ -47,49 +47,29 @@ var MeshoptClusterizer = (function () {
 		return new Uint8Array(view.buffer, view.byteOffset, view.byteLength);
 	}
 
-	function index32(source) {
-		var size = source.BYTES_PER_ELEMENT;
-		assert(size === 2 || size === 4);
-		if (size === 4) {
-			return new Uint32Array(source.buffer, source.byteOffset, source.byteLength / 4);
-		} else {
-			var view = new Uint16Array(source.buffer, source.byteOffset, source.byteLength / 2);
-			return new Uint32Array(view); // copies each element
-		}
-	}
-
 	var BOUNDS_SIZE = 48;
-	var MESHLET_VERTEX_SIZE = Uint32Array.BYTES_PER_ELEMENT;
-
-	function buildMeshletsBound(index_count, max_vertices, max_triangles) {
-		return instance.exports.meshopt_buildMeshletsBound(index_count, max_vertices, max_triangles);
-	}
+	var MESHLET_SIZE = 16;
 
 	function extractMeshlet(buffers, index) {
-		var meshletOffset = index * 4;
-		var vertexOffset = buffers.meshlets[meshletOffset];
-		var triangleOffset = buffers.meshlets[meshletOffset + 1];
-		var vertexCount = buffers.meshlets[meshletOffset + 2];
-		var triangleCount = buffers.meshlets[meshletOffset + 3];
+		var vertex_offset = buffers.meshlets[index * 4 + 0];
+		var triangle_offset = buffers.meshlets[index * 4 + 1];
+		var vertex_count = buffers.meshlets[index * 4 + 2];
+		var triangle_count = buffers.meshlets[index * 4 + 3];
 
 		return {
-			vertices: buffers.vertices.subarray(vertexOffset, vertexOffset + vertexCount),
-			triangles: buffers.triangles.subarray(triangleOffset, triangleOffset + triangleCount * 3),
+			vertices: buffers.vertices.subarray(vertex_offset, vertex_offset + vertex_count),
+			triangles: buffers.triangles.subarray(triangle_offset, triangle_offset + triangle_count * 3),
 		};
 	}
 
 	function buildMeshlets(indices, vertex_count, max_vertices, max_triangles, cone_weight, vertex_positions, vertex_positions_stride) {
-		var max_meshlets = buildMeshletsBound(indices.length, max_vertices, max_triangles);
-
+		var max_meshlets = instance.exports.meshopt_buildMeshletsBound(indices.length, max_vertices, max_triangles);
 		var sbrk = instance.exports.sbrk;
 
-		var meshletSize = 4 * Uint32Array.BYTES_PER_ELEMENT;
-		var meshletTriangleSize = 3;
-
 		// allocate memory
-		var meshletsp = sbrk(max_meshlets * meshletSize);
-		var meshlet_verticesp = sbrk(max_meshlets * max_vertices * MESHLET_VERTEX_SIZE);
-		var meshlet_trianglesp = sbrk(max_meshlets * max_triangles * meshletTriangleSize);
+		var meshletsp = sbrk(max_meshlets * MESHLET_SIZE);
+		var meshlet_verticesp = sbrk(max_meshlets * max_vertices * 4);
+		var meshlet_trianglesp = sbrk(max_meshlets * max_triangles * 3);
 
 		var indicesp = sbrk(indices.byteLength);
 		var verticesp = sbrk(vertex_positions.byteLength);
@@ -99,7 +79,7 @@ var MeshoptClusterizer = (function () {
 		heap.set(bytes(indices), indicesp);
 		heap.set(bytes(vertex_positions), verticesp);
 
-		var meshletCount = instance.exports.meshopt_buildMeshlets(
+		var count = instance.exports.meshopt_buildMeshlets(
 			meshletsp,
 			meshlet_verticesp,
 			meshlet_trianglesp,
@@ -116,44 +96,35 @@ var MeshoptClusterizer = (function () {
 		// heap might (will?) have grown -> re-acquire
 		heap = new Uint8Array(instance.exports.memory.buffer);
 
-		var meshletBytes = heap.subarray(meshletsp, meshletsp + meshletCount * meshletSize);
-		var meshlets = new Uint32Array(meshletBytes.buffer, meshletBytes.byteOffset, meshletBytes.byteLength / Uint32Array.BYTES_PER_ELEMENT).slice();
+		var meshletBytes = heap.subarray(meshletsp, meshletsp + count * MESHLET_SIZE);
+		var meshlets = new Uint32Array(meshletBytes.buffer, meshletBytes.byteOffset, meshletBytes.byteLength / 4).slice();
 
-		for (var i = 0; i < meshletCount; ++i) {
-			var meshletOffset = i * 4;
-			var vertexOffset = meshlets[meshletOffset];
-			var triangleOffset = meshlets[meshletOffset + 1];
-			var vertexCount = meshlets[meshletOffset + 2];
-			var triangleCount = meshlets[meshletOffset + 3];
+		for (var i = 0; i < count; ++i) {
+			var vertex_offset = meshlets[i * 4 + 0];
+			var triangle_offset = meshlets[i * 4 + 1];
+			var vertex_count = meshlets[i * 4 + 2];
+			var triangle_count = meshlets[i * 4 + 3];
 
 			instance.exports.meshopt_optimizeMeshlet(
-				meshlet_verticesp + vertexOffset * Uint32Array.BYTES_PER_ELEMENT,
-				meshlet_trianglesp + triangleOffset,
-				triangleCount,
-				vertexCount
+				meshlet_verticesp + vertex_offset * 4,
+				meshlet_trianglesp + triangle_offset,
+				triangle_count,
+				vertex_count
 			);
 		}
 
-		// heap might have grown? -> re-acquire
-		heap = new Uint8Array(instance.exports.memory.buffer);
-
-		var lastMeshletIndex = (meshletCount - 1) * 4;
-		var meshletVertexCount = meshlets[lastMeshletIndex] + meshlets[lastMeshletIndex + 2];
-		var meshletTriangleCount = meshlets[lastMeshletIndex + 1] + meshlets[lastMeshletIndex + 3];
+		var used_vertices = meshlets[(count - 1) * 4 + 0] + meshlets[(count - 1) * 4 + 2];
+		var used_triangles = meshlets[(count - 1) * 4 + 1] + meshlets[(count - 1) * 4 + 3];
 
-		var meshletVerticesBytes = heap.subarray(meshlet_verticesp, meshlet_verticesp + meshletVertexCount * MESHLET_VERTEX_SIZE);
-		var meshletTriangles = heap.subarray(meshlet_trianglesp, meshlet_trianglesp + ((meshletTriangleCount * 3 + 3) & ~3) * meshletTriangleSize);
+		var result_vertices = heap.subarray(meshlet_verticesp, meshlet_verticesp + used_vertices * 4);
+		var result_triangles = heap.subarray(meshlet_trianglesp, meshlet_trianglesp + ((used_triangles * 3 + 3) & ~3) * 3);
 
 		// populate result arrays
 		var result = {
 			meshlets: meshlets,
-			vertices: new Uint32Array(
-				meshletVerticesBytes.buffer,
-				meshletVerticesBytes.byteOffset,
-				meshletVerticesBytes.byteLength / Uint32Array.BYTES_PER_ELEMENT
-			).slice(),
-			triangles: new Uint8Array(meshletTriangles.buffer, meshletTriangles.byteOffset, meshletTriangles.byteLength).slice(),
-			meshletCount: meshletCount,
+			vertices: new Uint32Array(result_vertices.buffer, result_vertices.byteOffset, result_vertices.byteLength / 4).slice(),
+			triangles: new Uint8Array(result_triangles.buffer, result_triangles.byteOffset, result_triangles.byteLength).slice(),
+			meshletCount: count,
 		};
 
 		// reset memory
@@ -165,28 +136,25 @@ var MeshoptClusterizer = (function () {
 	function extractBounds(boundsp) {
 		var heap = new Uint8Array(instance.exports.memory.buffer);
 
-		var s8DataSize = 4;
-		var boundsBytes = heap.subarray(boundsp, boundsp + BOUNDS_SIZE - s8DataSize);
-		var boundsFloats = new Float32Array(boundsBytes.buffer, boundsBytes.byteOffset, 11);
+		var bounds_bytes = heap.subarray(boundsp, boundsp + BOUNDS_SIZE);
+		var bounds_floats = new Float32Array(bounds_bytes.buffer, bounds_bytes.byteOffset, 11);
 
 		return {
-			centerX: boundsFloats[0],
-			centerY: boundsFloats[1],
-			centerZ: boundsFloats[2],
-			radius: boundsFloats[3],
-			coneApexX: boundsFloats[4],
-			coneApexY: boundsFloats[5],
-			coneApexZ: boundsFloats[6],
-			coneAxisX: boundsFloats[7],
-			coneAxisY: boundsFloats[8],
-			coneAxisZ: boundsFloats[9],
-			coneCutoff: boundsFloats[10],
+			centerX: bounds_floats[0],
+			centerY: bounds_floats[1],
+			centerZ: bounds_floats[2],
+			radius: bounds_floats[3],
+			coneApexX: bounds_floats[4],
+			coneApexY: bounds_floats[5],
+			coneApexZ: bounds_floats[6],
+			coneAxisX: bounds_floats[7],
+			coneAxisY: bounds_floats[8],
+			coneAxisZ: bounds_floats[9],
+			coneCutoff: bounds_floats[10],
 		};
 	}
 
 	function computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride) {
-		assert(buffers.meshletCount !== 0);
-		assert(vertex_positions.byteLength % vertex_positions_stride === 0);
 		var vertex_count = vertex_positions.byteLength / vertex_positions_stride;
 
 		var sbrk = instance.exports.sbrk;
@@ -206,16 +174,15 @@ var MeshoptClusterizer = (function () {
 		heap.set(bytes(buffers.triangles), meshlet_trianglesp);
 
 		for (var i = 0; i < buffers.meshletCount; ++i) {
-			var meshletOffset = i * 4;
-			var vertexOffset = buffers.meshlets[meshletOffset];
-			var triangleOffset = buffers.meshlets[meshletOffset + 1];
-			var triangleCount = buffers.meshlets[meshletOffset + 3];
+			var vertex_offset = buffers.meshlets[i * 4 + 0];
+			var triangle_offset = buffers.meshlets[i * 4 + 0 + 1];
+			var triangle_count = buffers.meshlets[i * 4 + 0 + 3];
 
 			instance.exports.meshopt_computeMeshletBounds(
 				resultp,
-				meshlet_verticesp + vertexOffset * Uint32Array.BYTES_PER_ELEMENT,
-				meshlet_trianglesp + triangleOffset,
-				triangleCount,
+				meshlet_verticesp + vertex_offset * 4,
+				meshlet_trianglesp + triangle_offset,
+				triangle_count,
 				verticesp,
 				vertex_count,
 				vertex_positions_stride
@@ -231,7 +198,6 @@ var MeshoptClusterizer = (function () {
 	}
 
 	function computeClusterBounds(indices, vertex_positions, vertex_positions_stride) {
-		assert(vertex_positions.byteLength % vertex_positions_stride === 0);
 		var vertex_count = vertex_positions.byteLength / vertex_positions_stride;
 
 		var sbrk = instance.exports.sbrk;
@@ -260,39 +226,36 @@ var MeshoptClusterizer = (function () {
 		ready: ready,
 		supported: true,
 		buildMeshlets: function (indices, vertex_positions, vertex_positions_stride, max_vertices, max_triangles, cone_weight) {
-			assert(vertex_positions.length % vertex_positions_stride === 0);
+			assert(vertex_positions.length % vertex_positions_stride == 0);
 			assert(max_vertices <= 255 || max_vertices > 0);
 			assert(max_triangles <= 512);
-			assert(max_triangles % 4 === 0);
+			assert(max_triangles % 4 == 0);
 
-			var vertex_count = vertex_positions.length / vertex_positions_stride;
 			cone_weight = cone_weight || 0.0;
 
-			return buildMeshlets(
-				index32(indices),
-				vertex_count,
-				max_vertices,
-				max_triangles,
-				cone_weight,
-				vertex_positions,
-				vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT
-			);
+			var vertex_count = vertex_positions.length / vertex_positions_stride;
+			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
+
+			return buildMeshlets(indices32, vertex_count, max_vertices, max_triangles, cone_weight, vertex_positions, vertex_positions_stride * 4);
 		},
 		computeClusterBounds: function (indices, vertex_positions, vertex_positions_stride) {
-			assert(vertex_positions.length % vertex_positions_stride === 0);
-
-			var ind32 = index32(indices);
+			assert(vertex_positions.length % vertex_positions_stride == 0);
+			assert(indices.length / 3 <= 512);
+			assert(indices.length % 3 == 0);
 
-			assert(ind32.length / 3 <= 512);
-			assert(ind32.length % 3 === 0);
+			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
 
-			return computeClusterBounds(index32(indices), vertex_positions, vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT);
+			return computeClusterBounds(indices32, vertex_positions, vertex_positions_stride * 4);
 		},
 		computeMeshletBounds: function (buffers, vertex_positions, vertex_positions_stride) {
-			return computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride * Float32Array.BYTES_PER_ELEMENT);
+			assert(buffers.meshletCount != 0);
+			assert(vertex_positions.length % vertex_positions_stride == 0);
+
+			return computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride * 4);
 		},
 		extractMeshlet: function (buffers, index) {
 			assert(index >= 0 && index < buffers.meshletCount);
+
 			return extractMeshlet(buffers, index);
 		},
 	};

From 7379bddb91ad08686c4a3e4a45b6cdd972138658 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 21 Aug 2024 21:19:30 -0700
Subject: [PATCH 209/581] js: Fix computeMeshletBounds to always return an
 array

The existing interface is error-prone for meshes with a small number of
triangles.
---
 js/meshopt_clusterizer.js          | 2 +-
 js/meshopt_clusterizer.module.d.ts | 2 +-
 js/meshopt_clusterizer.module.js   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/js/meshopt_clusterizer.js b/js/meshopt_clusterizer.js
index 3e5d2fc920..a838fa233e 100644
--- a/js/meshopt_clusterizer.js
+++ b/js/meshopt_clusterizer.js
@@ -194,7 +194,7 @@ var MeshoptClusterizer = (function () {
 		// reset memory
 		sbrk(verticesp - sbrk(0));
 
-		return results.length > 1 ? results : results[0];
+		return results;
 	}
 
 	function computeClusterBounds(indices, vertex_positions, vertex_positions_stride) {
diff --git a/js/meshopt_clusterizer.module.d.ts b/js/meshopt_clusterizer.module.d.ts
index d2890c3fa3..b9436e41a3 100644
--- a/js/meshopt_clusterizer.module.d.ts
+++ b/js/meshopt_clusterizer.module.d.ts
@@ -40,6 +40,6 @@ export const MeshoptClusterizer: {
 		cone_weight?: number
 	) => MeshletBuffers;
 	computeClusterBounds: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number) => Bounds;
-	computeMeshletBounds: (buffers: MeshletBuffers, vertex_positions: Float32Array, vertex_positions_stride: number) => Bounds | Bounds[];
+	computeMeshletBounds: (buffers: MeshletBuffers, vertex_positions: Float32Array, vertex_positions_stride: number) => Bounds[];
 	extractMeshlet: (buffers: MeshletBuffers, index: number) => Meshlet;
 };
diff --git a/js/meshopt_clusterizer.module.js b/js/meshopt_clusterizer.module.js
index 50d7d957ef..6a0e0bc6fa 100644
--- a/js/meshopt_clusterizer.module.js
+++ b/js/meshopt_clusterizer.module.js
@@ -194,7 +194,7 @@ var MeshoptClusterizer = (function () {
 		// reset memory
 		sbrk(verticesp - sbrk(0));
 
-		return results.length > 1 ? results : results[0];
+		return results;
 	}
 
 	function computeClusterBounds(indices, vertex_positions, vertex_positions_stride) {

From 4bf8a17e97279c0cb9b6869b8312eb0f9b0dd1ad Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 21 Aug 2024 21:24:21 -0700
Subject: [PATCH 210/581] js: Add more assertions to clusterizer

We now validate more input arguments similarly to other functions in
other modules.

Also, restructure the buildMeshlets data extraction a little to make it
cleaner.
---
 js/meshopt_clusterizer.js        | 26 +++++++++++++++++---------
 js/meshopt_clusterizer.module.js | 26 +++++++++++++++++---------
 2 files changed, 34 insertions(+), 18 deletions(-)

diff --git a/js/meshopt_clusterizer.js b/js/meshopt_clusterizer.js
index a838fa233e..3dc41a8b60 100644
--- a/js/meshopt_clusterizer.js
+++ b/js/meshopt_clusterizer.js
@@ -113,17 +113,18 @@ var MeshoptClusterizer = (function () {
 			);
 		}
 
-		var used_vertices = meshlets[(count - 1) * 4 + 0] + meshlets[(count - 1) * 4 + 2];
-		var used_triangles = meshlets[(count - 1) * 4 + 1] + meshlets[(count - 1) * 4 + 3];
+		var last_vertex_offset = meshlets[(count - 1) * 4 + 0];
+		var last_triangle_offset = meshlets[(count - 1) * 4 + 1];
+		var last_vertex_count = meshlets[(count - 1) * 4 + 2];
+		var last_triangle_count = meshlets[(count - 1) * 4 + 3];
 
-		var result_vertices = heap.subarray(meshlet_verticesp, meshlet_verticesp + used_vertices * 4);
-		var result_triangles = heap.subarray(meshlet_trianglesp, meshlet_trianglesp + ((used_triangles * 3 + 3) & ~3) * 3);
+		var used_vertices = last_vertex_offset + last_vertex_count;
+		var used_triangles = last_triangle_offset + ((last_triangle_count * 3 + 3) & ~3);
 
-		// populate result arrays
 		var result = {
 			meshlets: meshlets,
-			vertices: new Uint32Array(result_vertices.buffer, result_vertices.byteOffset, result_vertices.byteLength / 4).slice(),
-			triangles: new Uint8Array(result_triangles.buffer, result_triangles.byteOffset, result_triangles.byteLength).slice(),
+			vertices: new Uint32Array(heap.buffer, meshlet_verticesp, used_vertices).slice(),
+			triangles: new Uint8Array(heap.buffer, meshlet_trianglesp, used_triangles * 3).slice(),
 			meshletCount: count,
 		};
 
@@ -226,7 +227,10 @@ var MeshoptClusterizer = (function () {
 		ready: ready,
 		supported: true,
 		buildMeshlets: function (indices, vertex_positions, vertex_positions_stride, max_vertices, max_triangles, cone_weight) {
+			assert(indices.length % 3 == 0);
+			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
+			assert(vertex_positions_stride >= 3);
 			assert(max_vertices <= 255 || max_vertices > 0);
 			assert(max_triangles <= 512);
 			assert(max_triangles % 4 == 0);
@@ -239,9 +243,11 @@ var MeshoptClusterizer = (function () {
 			return buildMeshlets(indices32, vertex_count, max_vertices, max_triangles, cone_weight, vertex_positions, vertex_positions_stride * 4);
 		},
 		computeClusterBounds: function (indices, vertex_positions, vertex_positions_stride) {
-			assert(vertex_positions.length % vertex_positions_stride == 0);
-			assert(indices.length / 3 <= 512);
 			assert(indices.length % 3 == 0);
+			assert(indices.length / 3 <= 512);
+			assert(vertex_positions instanceof Float32Array);
+			assert(vertex_positions.length % vertex_positions_stride == 0);
+			assert(vertex_positions_stride >= 3);
 
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
 
@@ -249,7 +255,9 @@ var MeshoptClusterizer = (function () {
 		},
 		computeMeshletBounds: function (buffers, vertex_positions, vertex_positions_stride) {
 			assert(buffers.meshletCount != 0);
+			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
+			assert(vertex_positions_stride >= 3);
 
 			return computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride * 4);
 		},
diff --git a/js/meshopt_clusterizer.module.js b/js/meshopt_clusterizer.module.js
index 6a0e0bc6fa..6ff7d53fd6 100644
--- a/js/meshopt_clusterizer.module.js
+++ b/js/meshopt_clusterizer.module.js
@@ -113,17 +113,18 @@ var MeshoptClusterizer = (function () {
 			);
 		}
 
-		var used_vertices = meshlets[(count - 1) * 4 + 0] + meshlets[(count - 1) * 4 + 2];
-		var used_triangles = meshlets[(count - 1) * 4 + 1] + meshlets[(count - 1) * 4 + 3];
+		var last_vertex_offset = meshlets[(count - 1) * 4 + 0];
+		var last_triangle_offset = meshlets[(count - 1) * 4 + 1];
+		var last_vertex_count = meshlets[(count - 1) * 4 + 2];
+		var last_triangle_count = meshlets[(count - 1) * 4 + 3];
 
-		var result_vertices = heap.subarray(meshlet_verticesp, meshlet_verticesp + used_vertices * 4);
-		var result_triangles = heap.subarray(meshlet_trianglesp, meshlet_trianglesp + ((used_triangles * 3 + 3) & ~3) * 3);
+		var used_vertices = last_vertex_offset + last_vertex_count;
+		var used_triangles = last_triangle_offset + ((last_triangle_count * 3 + 3) & ~3);
 
-		// populate result arrays
 		var result = {
 			meshlets: meshlets,
-			vertices: new Uint32Array(result_vertices.buffer, result_vertices.byteOffset, result_vertices.byteLength / 4).slice(),
-			triangles: new Uint8Array(result_triangles.buffer, result_triangles.byteOffset, result_triangles.byteLength).slice(),
+			vertices: new Uint32Array(heap.buffer, meshlet_verticesp, used_vertices).slice(),
+			triangles: new Uint8Array(heap.buffer, meshlet_trianglesp, used_triangles * 3).slice(),
 			meshletCount: count,
 		};
 
@@ -226,7 +227,10 @@ var MeshoptClusterizer = (function () {
 		ready: ready,
 		supported: true,
 		buildMeshlets: function (indices, vertex_positions, vertex_positions_stride, max_vertices, max_triangles, cone_weight) {
+			assert(indices.length % 3 == 0);
+			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
+			assert(vertex_positions_stride >= 3);
 			assert(max_vertices <= 255 || max_vertices > 0);
 			assert(max_triangles <= 512);
 			assert(max_triangles % 4 == 0);
@@ -239,9 +243,11 @@ var MeshoptClusterizer = (function () {
 			return buildMeshlets(indices32, vertex_count, max_vertices, max_triangles, cone_weight, vertex_positions, vertex_positions_stride * 4);
 		},
 		computeClusterBounds: function (indices, vertex_positions, vertex_positions_stride) {
-			assert(vertex_positions.length % vertex_positions_stride == 0);
-			assert(indices.length / 3 <= 512);
 			assert(indices.length % 3 == 0);
+			assert(indices.length / 3 <= 512);
+			assert(vertex_positions instanceof Float32Array);
+			assert(vertex_positions.length % vertex_positions_stride == 0);
+			assert(vertex_positions_stride >= 3);
 
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
 
@@ -249,7 +255,9 @@ var MeshoptClusterizer = (function () {
 		},
 		computeMeshletBounds: function (buffers, vertex_positions, vertex_positions_stride) {
 			assert(buffers.meshletCount != 0);
+			assert(vertex_positions instanceof Float32Array);
 			assert(vertex_positions.length % vertex_positions_stride == 0);
+			assert(vertex_positions_stride >= 3);
 
 			return computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride * 4);
 		},

From 2752b64e3a5aff6e9db62649ae2a56542445e20b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 21 Aug 2024 21:31:20 -0700
Subject: [PATCH 211/581] js: Final cleanup of meshopt_clusterizer internals

This change equalizes internal function interfaces: vertex_count is
always computed by the caller and is in a consistent position, and
argument order is fixed for buildMeshlets. Also minor simplification for
extractBounds to reduce temporary object creation.
---
 js/meshopt_clusterizer.js        | 33 ++++++++++++++++----------------
 js/meshopt_clusterizer.module.js | 33 ++++++++++++++++----------------
 2 files changed, 34 insertions(+), 32 deletions(-)

diff --git a/js/meshopt_clusterizer.js b/js/meshopt_clusterizer.js
index 3dc41a8b60..3439fc3987 100644
--- a/js/meshopt_clusterizer.js
+++ b/js/meshopt_clusterizer.js
@@ -62,9 +62,9 @@ var MeshoptClusterizer = (function () {
 		};
 	}
 
-	function buildMeshlets(indices, vertex_count, max_vertices, max_triangles, cone_weight, vertex_positions, vertex_positions_stride) {
-		var max_meshlets = instance.exports.meshopt_buildMeshletsBound(indices.length, max_vertices, max_triangles);
+	function buildMeshlets(indices, vertex_positions, vertex_count, vertex_positions_stride, max_vertices, max_triangles, cone_weight) {
 		var sbrk = instance.exports.sbrk;
+		var max_meshlets = instance.exports.meshopt_buildMeshletsBound(indices.length, max_vertices, max_triangles);
 
 		// allocate memory
 		var meshletsp = sbrk(max_meshlets * MESHLET_SIZE);
@@ -135,11 +135,9 @@ var MeshoptClusterizer = (function () {
 	}
 
 	function extractBounds(boundsp) {
-		var heap = new Uint8Array(instance.exports.memory.buffer);
-
-		var bounds_bytes = heap.subarray(boundsp, boundsp + BOUNDS_SIZE);
-		var bounds_floats = new Float32Array(bounds_bytes.buffer, bounds_bytes.byteOffset, 11);
+		var bounds_floats = new Float32Array(instance.exports.memory.buffer, boundsp, BOUNDS_SIZE / 4);
 
+		// see meshopt_Bounds in meshoptimizer.h for layout
 		return {
 			centerX: bounds_floats[0],
 			centerY: bounds_floats[1],
@@ -155,9 +153,7 @@ var MeshoptClusterizer = (function () {
 		};
 	}
 
-	function computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride) {
-		var vertex_count = vertex_positions.byteLength / vertex_positions_stride;
-
+	function computeMeshletBounds(buffers, vertex_positions, vertex_count, vertex_positions_stride) {
 		var sbrk = instance.exports.sbrk;
 
 		var results = [];
@@ -198,9 +194,7 @@ var MeshoptClusterizer = (function () {
 		return results;
 	}
 
-	function computeClusterBounds(indices, vertex_positions, vertex_positions_stride) {
-		var vertex_count = vertex_positions.byteLength / vertex_positions_stride;
-
+	function computeClusterBounds(indices, vertex_positions, vertex_count, vertex_positions_stride) {
 		var sbrk = instance.exports.sbrk;
 
 		// allocate memory
@@ -237,10 +231,17 @@ var MeshoptClusterizer = (function () {
 
 			cone_weight = cone_weight || 0.0;
 
-			var vertex_count = vertex_positions.length / vertex_positions_stride;
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
 
-			return buildMeshlets(indices32, vertex_count, max_vertices, max_triangles, cone_weight, vertex_positions, vertex_positions_stride * 4);
+			return buildMeshlets(
+				indices32,
+				vertex_positions,
+				vertex_positions.length / vertex_positions_stride,
+				vertex_positions_stride * 4,
+				max_vertices,
+				max_triangles,
+				cone_weight
+			);
 		},
 		computeClusterBounds: function (indices, vertex_positions, vertex_positions_stride) {
 			assert(indices.length % 3 == 0);
@@ -251,7 +252,7 @@ var MeshoptClusterizer = (function () {
 
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
 
-			return computeClusterBounds(indices32, vertex_positions, vertex_positions_stride * 4);
+			return computeClusterBounds(indices32, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4);
 		},
 		computeMeshletBounds: function (buffers, vertex_positions, vertex_positions_stride) {
 			assert(buffers.meshletCount != 0);
@@ -259,7 +260,7 @@ var MeshoptClusterizer = (function () {
 			assert(vertex_positions.length % vertex_positions_stride == 0);
 			assert(vertex_positions_stride >= 3);
 
-			return computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride * 4);
+			return computeMeshletBounds(buffers, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4);
 		},
 		extractMeshlet: function (buffers, index) {
 			assert(index >= 0 && index < buffers.meshletCount);
diff --git a/js/meshopt_clusterizer.module.js b/js/meshopt_clusterizer.module.js
index 6ff7d53fd6..1a10fa587a 100644
--- a/js/meshopt_clusterizer.module.js
+++ b/js/meshopt_clusterizer.module.js
@@ -62,9 +62,9 @@ var MeshoptClusterizer = (function () {
 		};
 	}
 
-	function buildMeshlets(indices, vertex_count, max_vertices, max_triangles, cone_weight, vertex_positions, vertex_positions_stride) {
-		var max_meshlets = instance.exports.meshopt_buildMeshletsBound(indices.length, max_vertices, max_triangles);
+	function buildMeshlets(indices, vertex_positions, vertex_count, vertex_positions_stride, max_vertices, max_triangles, cone_weight) {
 		var sbrk = instance.exports.sbrk;
+		var max_meshlets = instance.exports.meshopt_buildMeshletsBound(indices.length, max_vertices, max_triangles);
 
 		// allocate memory
 		var meshletsp = sbrk(max_meshlets * MESHLET_SIZE);
@@ -135,11 +135,9 @@ var MeshoptClusterizer = (function () {
 	}
 
 	function extractBounds(boundsp) {
-		var heap = new Uint8Array(instance.exports.memory.buffer);
-
-		var bounds_bytes = heap.subarray(boundsp, boundsp + BOUNDS_SIZE);
-		var bounds_floats = new Float32Array(bounds_bytes.buffer, bounds_bytes.byteOffset, 11);
+		var bounds_floats = new Float32Array(instance.exports.memory.buffer, boundsp, BOUNDS_SIZE / 4);
 
+		// see meshopt_Bounds in meshoptimizer.h for layout
 		return {
 			centerX: bounds_floats[0],
 			centerY: bounds_floats[1],
@@ -155,9 +153,7 @@ var MeshoptClusterizer = (function () {
 		};
 	}
 
-	function computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride) {
-		var vertex_count = vertex_positions.byteLength / vertex_positions_stride;
-
+	function computeMeshletBounds(buffers, vertex_positions, vertex_count, vertex_positions_stride) {
 		var sbrk = instance.exports.sbrk;
 
 		var results = [];
@@ -198,9 +194,7 @@ var MeshoptClusterizer = (function () {
 		return results;
 	}
 
-	function computeClusterBounds(indices, vertex_positions, vertex_positions_stride) {
-		var vertex_count = vertex_positions.byteLength / vertex_positions_stride;
-
+	function computeClusterBounds(indices, vertex_positions, vertex_count, vertex_positions_stride) {
 		var sbrk = instance.exports.sbrk;
 
 		// allocate memory
@@ -237,10 +231,17 @@ var MeshoptClusterizer = (function () {
 
 			cone_weight = cone_weight || 0.0;
 
-			var vertex_count = vertex_positions.length / vertex_positions_stride;
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
 
-			return buildMeshlets(indices32, vertex_count, max_vertices, max_triangles, cone_weight, vertex_positions, vertex_positions_stride * 4);
+			return buildMeshlets(
+				indices32,
+				vertex_positions,
+				vertex_positions.length / vertex_positions_stride,
+				vertex_positions_stride * 4,
+				max_vertices,
+				max_triangles,
+				cone_weight
+			);
 		},
 		computeClusterBounds: function (indices, vertex_positions, vertex_positions_stride) {
 			assert(indices.length % 3 == 0);
@@ -251,7 +252,7 @@ var MeshoptClusterizer = (function () {
 
 			var indices32 = indices.BYTES_PER_ELEMENT == 4 ? indices : new Uint32Array(indices);
 
-			return computeClusterBounds(indices32, vertex_positions, vertex_positions_stride * 4);
+			return computeClusterBounds(indices32, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4);
 		},
 		computeMeshletBounds: function (buffers, vertex_positions, vertex_positions_stride) {
 			assert(buffers.meshletCount != 0);
@@ -259,7 +260,7 @@ var MeshoptClusterizer = (function () {
 			assert(vertex_positions.length % vertex_positions_stride == 0);
 			assert(vertex_positions_stride >= 3);
 
-			return computeMeshletBounds(buffers, vertex_positions, vertex_positions_stride * 4);
+			return computeMeshletBounds(buffers, vertex_positions, vertex_positions.length / vertex_positions_stride, vertex_positions_stride * 4);
 		},
 		extractMeshlet: function (buffers, index) {
 			assert(index >= 0 && index < buffers.meshletCount);

From 12fe8747b0c4a4eef6ba424e11ec33017c7950cb Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 23 Aug 2024 10:10:27 -0700
Subject: [PATCH 212/581] simplify: Clean up comments and names in
 quadricFromTriangleEdge

'normal' is ambiguous between face normal and edge normal here so we use
'perp' instead and adjust the comments for clarity.
---
 src/simplifier.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 26e46dac7f..f7de9f119e 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -689,18 +689,18 @@ static void quadricFromTriangleEdge(Quadric& Q, const Vector3& p0, const Vector3
 	Vector3 p10 = {p1.x - p0.x, p1.y - p0.y, p1.z - p0.z};
 	float length = normalize(p10);
 
-	// p20p = length of projection of p2-p0 onto normalize(p1 - p0)
+	// p20p = length of projection of p2 - p0 onto normalize(p1 - p0)
 	Vector3 p20 = {p2.x - p0.x, p2.y - p0.y, p2.z - p0.z};
 	float p20p = p20.x * p10.x + p20.y * p10.y + p20.z * p10.z;
 
-	// normal = altitude of triangle from point p2 onto edge p1-p0
-	Vector3 normal = {p20.x - p10.x * p20p, p20.y - p10.y * p20p, p20.z - p10.z * p20p};
-	normalize(normal);
+	// perp = perpendicular vector from p2 to line segment p1-p0
+	Vector3 perp = {p20.x - p10.x * p20p, p20.y - p10.y * p20p, p20.z - p10.z * p20p};
+	normalize(perp);
 
-	float distance = normal.x * p0.x + normal.y * p0.y + normal.z * p0.z;
+	float distance = perp.x * p0.x + perp.y * p0.y + perp.z * p0.z;
 
 	// note: the weight is scaled linearly with edge length; this has to match the triangle weight
-	quadricFromPlane(Q, normal.x, normal.y, normal.z, -distance, length * weight);
+	quadricFromPlane(Q, perp.x, perp.y, perp.z, -distance, length * weight);
 }
 
 static void quadricFromAttributes(Quadric& Q, QuadricGrad* G, const Vector3& p0, const Vector3& p1, const Vector3& p2, const float* va0, const float* va1, const float* va2, size_t attribute_count)

From e9daf2ae2a90164b79db4a0ae54a5c5446a74547 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 23 Aug 2024 10:19:39 -0700
Subject: [PATCH 213/581] simplify: Adjust quadricFromTriangleEdge to be
 slightly more precise

Instead of normalizing p10 we can correct the projection instead: p20p
is effectively scaled by length, and since we multiply it by p10 the
result is scaled by lengthsq. We could divide p20p by lengthsq to
compensate but it's better to instead scale p20 as this avoids
singularity by taking advantage of the normalization that follows.

This should make the function a little faster; it also reduces the
average error by ~1.5x (computed by comparing sqrt(quadric error) for p2
with the double precision distance-to-line computation) on a test model.

comment
---
 src/simplifier.cpp | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index f7de9f119e..e0094843e5 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -687,14 +687,18 @@ static void quadricFromTriangle(Quadric& Q, const Vector3& p0, const Vector3& p1
 static void quadricFromTriangleEdge(Quadric& Q, const Vector3& p0, const Vector3& p1, const Vector3& p2, float weight)
 {
 	Vector3 p10 = {p1.x - p0.x, p1.y - p0.y, p1.z - p0.z};
-	float length = normalize(p10);
 
-	// p20p = length of projection of p2 - p0 onto normalize(p1 - p0)
+	// edge length; keep squared length around for projection correction
+	float lengthsq = p10.x * p10.x + p10.y * p10.y + p10.z * p10.z;
+	float length = sqrtf(lengthsq);
+
+	// p20p = length of projection of p2-p0 onto p1-p0; note that p10 is unnormalized so we need to correct it later
 	Vector3 p20 = {p2.x - p0.x, p2.y - p0.y, p2.z - p0.z};
 	float p20p = p20.x * p10.x + p20.y * p10.y + p20.z * p10.z;
 
 	// perp = perpendicular vector from p2 to line segment p1-p0
-	Vector3 perp = {p20.x - p10.x * p20p, p20.y - p10.y * p20p, p20.z - p10.z * p20p};
+	// note: since p10 is unnormalized we need to correct the projection; we scale p20 instead to take advantage of normalize below
+	Vector3 perp = {p20.x * lengthsq - p10.x * p20p, p20.y * lengthsq - p10.y * p20p, p20.z * lengthsq - p10.z * p20p};
 	normalize(perp);
 
 	float distance = perp.x * p0.x + perp.y * p0.y + perp.z * p0.z;

From ed671b0cca5374b46c674f4c33bdbf51772c5d44 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 23 Aug 2024 10:35:36 -0700
Subject: [PATCH 214/581] demo: Adjust simplifyAttr test wrt numerical
 stability

There is a little bit too much ambiguity in the test right now as there
are multiple ways to tessellate the final output that are all
equivalent; we also forgot to adjust the weights after the metric
changed, so the attribute impact is insignificant.

Hopefully a higher attribute weight and more variation in height will
make this behave the same across platforms.
---
 demo/tests.cpp | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 02873cf6e4..9b9ae89f65 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1151,7 +1151,7 @@ static void simplifyAttr(bool skip_g)
 		{
 			vb[y * 3 + x][0] = float(x);
 			vb[y * 3 + x][1] = float(y);
-			vb[y * 3 + x][2] = 0.03f * x;
+			vb[y * 3 + x][2] = 0.03f * x + 0.03f * (y % 2);
 			vb[y * 3 + x][3] = r;
 			vb[y * 3 + x][4] = g;
 			vb[y * 3 + x][5] = b;
@@ -1173,12 +1173,20 @@ static void simplifyAttr(bool skip_g)
 		}
 	}
 
-	float attr_weights[3] = {0.01f, skip_g ? 0.f : 0.01f, 0.01f};
+	float attr_weights[3] = {0.5f, skip_g ? 0.f : 0.5f, 0.5f};
 
+	// *0  1   *2
+	//  3  4    5
+	//  6  7    8
+	// *9  10 *11
+	// *12 13 *14
+	//  15 16  17
+	//  18 19  20
+	// *21 22 *23
 	unsigned int expected[3][6] = {
-	    {0, 2, 9, 9, 2, 11},
+	    {0, 2, 11, 0, 11, 9},
 	    {9, 11, 12, 12, 11, 14},
-	    {12, 14, 21, 21, 14, 23},
+	    {12, 14, 23, 12, 23, 21},
 	};
 
 	assert(meshopt_simplifyWithAttributes(ib[0], ib[0], 7 * 2 * 6, vb[0], 8 * 3, 6 * sizeof(float), vb[0] + 3, 6 * sizeof(float), attr_weights, 3, NULL, 6 * 3, 1e-2f) == 18);

From 5719e0ac344bfc43aca58a57a0b3315b0c467ad3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 24 Aug 2024 10:59:22 -0700
Subject: [PATCH 215/581] Update README.md

Add GLSL snippet demonstrating usage of `VK_EXT_mesh_shader` to render data prepared by `meshopt_buildMeshlets`
---
 README.md | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 592bff33bb..a47011c510 100644
--- a/README.md
+++ b/README.md
@@ -334,7 +334,7 @@ size_t meshlet_count = meshopt_buildMeshlets(meshlets.data(), meshlet_vertices.d
 
 To generate the meshlet data, `max_vertices` and `max_triangles` need to be set within limits supported by the hardware; for NVidia the values of 64 and 124 are recommended (`max_triangles` must be divisible by 4 so 124 is the value closest to official NVidia's recommended 126). `cone_weight` should be left as 0 if cluster cone culling is not used, and set to a value between 0 and 1 to balance cone culling efficiency with other forms of culling like frustum or occlusion culling.
 
-Each resulting meshlet refers to a portion of `meshlet_vertices` and `meshlet_triangles` arrays; this data can be uploaded to GPU and used directly after trimming:
+Each resulting meshlet refers to a portion of `meshlet_vertices` and `meshlet_triangles` arrays; the arrays are overallocated for the worst case so it's recommended to trim them before saving them as an asset / uploading them to the GPU:
 
 ```c++
 const meshopt_Meshlet& last = meshlets[meshlet_count - 1];
@@ -352,6 +352,30 @@ For optimal performance, it is recommended to further optimize each meshlet in i
 meshopt_optimizeMeshlet(&meshlet_vertices[m.vertex_offset], &meshlet_triangles[m.triangle_offset], m.triangle_count, m.vertex_count);
 ```
 
+Different applications will choose different strategies for rendering meshlets; on a GPU capable of mesh shading, meshlets can be rendered directly; for example, a basic GLSL shader for `VK_EXT_mesh_shader` extension could look like this (parts omitted for brevity):
+
+```glsl
+layout(binding = 0) readonly buffer Meshlets { Meshlet meshlets[]; };
+layout(binding = 1) readonly buffer MeshletVertices { uint meshlet_vertices[]; };
+layout(binding = 2) readonly buffer MeshletTriangles { uint8_t meshlet_triangles[]; };
+
+void main() {
+    Meshlet meshlet = meshlets[gl_WorkGroupID.x];
+    SetMeshOutputsEXT(meshlet.vertex_count, meshlet.triangle_count);
+
+    for (uint i = gl_LocalInvocationIndex; i < meshlet.vertex_count; i += gl_WorkGroupSize.x) {
+        uint index = meshlet_vertices[meshlet.vertex_offset + i];
+        gl_MeshVerticesEXT[i].gl_Position = world_view_projection * vec4(vertex_positions[index], 1);
+    }
+
+    for (uint i = gl_LocalInvocationIndex; i < meshlet.triangle_count; i += gl_WorkGroupSize.x) {
+        uint offset = meshlet.triangle_offset + i * 3;
+        gl_PrimitiveTriangleIndicesEXT[i] = uvec3(
+            meshlet_triangles[offset], meshlet_triangles[offset + 1], meshlet_triangles[offset + 2]);
+    }
+}
+```
+
 After generating the meshlet data, it's also possible to generate extra data for each meshlet that can be saved and used at runtime to perform cluster culling, where each meshlet can be discarded if it's guaranteed to be invisible. To generate the data, `meshlet_computeMeshletBounds` can be used:
 
 ```c++

From 6280fd6c8a2a7bece1fe23b0c31cc3ef956655dc Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 24 Aug 2024 22:58:27 -0700
Subject: [PATCH 216/581] Update README.md

Add `meshtopt_generateShadowIndexBuffer` documentation in a new "shadow indexing" section.
---
 README.md | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index a47011c510..8c3d4f5858 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,8 @@ When optimizing a mesh, you should typically feed it through a set of optimizati
 4. Overdraw optimization
 5. Vertex fetch optimization
 6. Vertex quantization
-7. (optional) Vertex/index buffer compression
+7. Shadow indexing
+8. (optional) Vertex/index buffer compression
 
 ## Indexing
 
@@ -124,6 +125,29 @@ unsigned short pz = meshopt_quantizeHalf(v.z);
 
 Since quantized vertex attributes often need to remain in their compact representations for efficient transfer and storage, they are usually dequantized during vertex processing by configuring the GPU vertex input correctly to expect normalized integers or half precision floats, which often needs no or minimal changes to the shader code. When CPU dequantization is required instead, `meshopt_dequantizeHalf` can be used to convert half precision values back to single precision; for normalized integer formats, the dequantization just requires dividing by 2^N-1 for unorm and 2^(N-1)-1 for snorm variants, for example manually reversing `meshopt_quantizeUnorm(v, 10)` can be done by dividing by 1023.
 
+## Shadow indexing
+
+Many rendering pipelines require meshes to be rendered to depth-only targets, such as shadow maps or during a depth pre-pass, in addition to color/G-buffer targets. While using the same geometry data for both cases is possible, reducing the number of unique vertices for depth-only rendering can be beneficial, especially when the source geometry has many attribute seams due to faceted shading or lightmap texture seams.
+To achieve this, this library provides the `meshopt_generateShadowIndexBuffer` algorithm, which generates a second (shadow) index buffer that can be used with the original vertex data:
+
+
+
+This is possible to achieve using `meshopt_generateShadowIndexBuffer` algorithm, which will generate a second (shadow) index buffer that can be used with the original vertex data. Because the vertex data is shared, this should be done after other optimizations of the vertex/index data, but it is possible (and recommended) to optimize the resulting index buffer for vertex cache at the end:
+
+```c++
+std::vector<unsigned int> shadow_indices(index_count);
+// note: this assumes Vertex starts with float3 positions and should be adjusted accordingly for quantized positions
+meshopt_generateShadowIndexBuffer(&shadow_indices[0], indices, index_count, &vertices[0].x, vertex_count, sizeof(float) * 3, sizeof(Vertex));
+```
+
+Because the vertex data is shared, shadow indexing should be done after other optimizations of the vertex/index data. However, it's possible (and recommended) to optimize the resulting shadow index buffer for vertex cache:
+
+```c++
+meshopt_optimizeVertexCache(&shadow_indices[0], &shadow_indices[0], index_count, vertex_count);
+```
+
+In some cases, it may be beneficial to split the vertex positions into a separate buffer to maximize efficiency for depth-only rendering. Note that the example above assumes only positions are relevant for shadow rendering, but more complex materials may require adding texture coordinates (for alpha testing) or skinning data to the vertex portion used as a key. `meshopt_generateShadowIndexBufferMulti` can be useful for these cases if the relevant data is not contiguous.
+
 ## Vertex/index buffer compression
 
 In case storage size or transmission bandwidth is of importance, you might want to additionally compress vertex and index data. While several mesh compression libraries, like Google Draco, are available, they typically are designed to maximize the compression ratio at the cost of disturbing the vertex/index order (which makes the meshes inefficient to render on GPU) or decompression performance. They also frequently don't support custom game-ready quantized vertex formats and thus require to re-quantize the data after loading it, introducing extra quantization errors and making decoding slower.
@@ -233,7 +257,7 @@ std::vector<unsigned int> remap(index_count);
 size_t vertex_count = meshopt_generateVertexRemapMulti(&remap[0], NULL, index_count, index_count, streams, sizeof(streams) / sizeof(streams[0]));
 ```
 
-After this `meshopt_remapVertexBuffer` needs to be called once for each vertex stream to produce the correctly reindexed stream.
+After this `meshopt_remapVertexBuffer` needs to be called once for each vertex stream to produce the correctly reindexed stream. For shadow indexing, similarly `meshopt_generateShadowIndexBufferMulti` is available as a replacement.
 
 Instead of calling `meshopt_optimizeVertexFetch` for reordering vertices in a single vertex buffer for efficiency, calling `meshopt_optimizeVertexFetchRemap` and then calling `meshopt_remapVertexBuffer` for each stream again is recommended.
 

From 15408ec75d41031e9b48b502b09345a044baa00d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 25 Aug 2024 08:06:34 -0700
Subject: [PATCH 217/581] clusterizer: Clarify bounds documentation

vertex_count here can be mistaken for meshlet vertex_count which would trigger assertions inside the function.
---
 src/meshoptimizer.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 24f905bd08..f5667eb480 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -553,7 +553,8 @@ struct meshopt_Bounds
  * Real-Time Rendering 4th Edition, section 19.3).
  *
  * vertex_positions should have float3 position in the first 12 bytes of each vertex
- * index_count/3 should be less than or equal to 512 (the function assumes clusters of limited size)
+ * vertex_count should specify the number of vertices in the entire mesh, not cluster or meshlet
+ * index_count/3 and triangle_count must not exceed implementation limits (<= 512)
  */
 MESHOPTIMIZER_API struct meshopt_Bounds meshopt_computeClusterBounds(const unsigned int* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride);
 MESHOPTIMIZER_API struct meshopt_Bounds meshopt_computeMeshletBounds(const unsigned int* meshlet_vertices, const unsigned char* meshlet_triangles, size_t triangle_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride);

From 2373287ca498ccd9f386b4bed8138af74426b3f0 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 26 Aug 2024 21:18:21 -0700
Subject: [PATCH 218/581] Update README.md

Reword buildMeshlets introduction by more strongly suggesting
buildMeshlets instead of *Scan variant; Scan should only be used for
load-time generation when processing time is at a premium.
---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 8c3d4f5858..fbcf1bbe60 100644
--- a/README.md
+++ b/README.md
@@ -340,7 +340,7 @@ Using mesh shaders in context of traditional mesh rendering provides an opportun
 
 To use mesh shaders for conventional rendering efficiently, geometry needs to be converted into a series of meshlets; each meshlet represents a small subset of the original mesh and comes with a small set of vertices and a separate micro-index buffer that references vertices in the meshlet. This information can be directly fed to the rasterizer from the mesh shader. This library provides algorithms to create meshlet data for a mesh, and - assuming geometry is static - can compute bounding information that can be used to perform cluster culling, a technique that can reject a meshlet if it's invisible on screen.
 
-To generate meshlet data, this library provides two algorithms - `meshopt_buildMeshletsScan`, which creates the meshlet data using a vertex cache-optimized index buffer as a starting point by greedily aggregating consecutive triangles until they go over the meshlet limits, and `meshopt_buildMeshlets`, which doesn't depend on any other algorithms and tries to balance topological efficiency (by maximizing vertex reuse inside meshlets) with culling efficiency (by minimizing meshlet radius and triangle direction divergence). `meshopt_buildMeshlets` is recommended in cases when the resulting meshlet data will be used in cluster culling algorithms.
+To generate meshlet data, this library provides `meshopt_buildMeshlets` algorithm, which tries to balance topological efficiency (by maximizing vertex reuse inside meshlets) with culling efficiency (by minimizing meshlet radius and triangle direction divergence) and produces GPU-friendly data. As an alternative (that can be useful for load-time processing), `meshopt_buildMeshletsScan` can create the meshlet data using a vertex cache-optimized index buffer as a starting point by greedily aggregating consecutive triangles until they go over the meshlet limits. `meshopt_buildMeshlets` is recommended for offline data processing even if cone culling is not used.
 
 ```c++
 const size_t max_vertices = 64;

From a468fcca04dbcac8bced673eceafe75a1f7746d1 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 26 Aug 2024 21:41:30 -0700
Subject: [PATCH 219/581] demo: Add tunable textureWeight for simplify.html

This is fairly rarely useful as UV distortion is mostly taken care of
via seam classification but it can be helpful for testing. For now we
limit weight to 100; on a 1024x1024 texture a weight of 100 corresponds
to the error of ~10 pixels being as bad as just removing geometry. This
is likely abnormally high in practice but the default here is 0 anyway.
---
 demo/simplify.html | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index 60506799fe..2a69b9fbaa 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -70,6 +70,7 @@
 				errorThresholdLog10: 1,
 				normalWeight: 0.5,
 				colorWeight: 1.0,
+				textureWeight: 0.0,
 
 				stats: {
 					triangles: 0,
@@ -111,6 +112,7 @@
 			guiSimplify.add(settings, 'useAttributes').onChange(simplify);
 			guiSimplify.add(settings, 'normalWeight', 0, 2, 0.01).onChange(simplify);
 			guiSimplify.add(settings, 'colorWeight', 0, 2, 0.01).onChange(simplify);
+			guiSimplify.add(settings, 'textureWeight', 0, 100, 0.1).onChange(simplify);
 
 			var guiLoad = gui.addFolder('Load');
 			guiLoad.add(settings, 'loadFile');
@@ -134,7 +136,7 @@
 					geo = mergeVertices(geo, 1e-2);
 				}
 
-				var attributes = 6; // 3 color, 3 normal
+				var attributes = 8; // 3 color, 3 normal, 2 uv
 
 				var positions = new Float32Array(geo.attributes.position.array);
 				var indices = new Uint32Array(geo.index.array); // needed for _InternalDebug to work
@@ -155,6 +157,11 @@
 							attrib[i * attributes + 4] = geo.attributes.color.getY(i);
 							attrib[i * attributes + 5] = geo.attributes.color.getZ(i);
 						}
+
+						if (geo.attributes.uv) {
+							attrib[i * attributes + 6] = geo.attributes.uv.getX(i);
+							attrib[i * attributes + 7] = geo.attributes.uv.getY(i);
+						}
 					}
 
 					var attrib_weights = [
@@ -164,6 +171,8 @@
 						settings.colorWeight,
 						settings.colorWeight,
 						settings.colorWeight,
+						settings.textureWeight,
+						settings.textureWeight,
 					];
 				}
 

From b3e870a35cd790dbbf63c440161a7c3ff6d8d82a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 26 Aug 2024 21:43:22 -0700
Subject: [PATCH 220/581] js: Rebuild meshopt_simplifier Wasm with attribute
 updates

This mostly incorporates correct seam handling for attribute metric.
---
 js/meshopt_simplifier.js        | 2 +-
 js/meshopt_simplifier.module.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 6539edf7bf..c108c63a3d 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -5,7 +5,7 @@ var MeshoptSimplifier = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
-		'b9H79Tebbbe9Hk9Geueu9Geub9Gbb9Gsuuuuuuuuuuuu99uueu9Gvuuuuub9Gvuuuuue999Gquuuuuuu99uueu9Gwuuuuuu99ueu9Giuuue999Gluuuueu9GiuuueuizsdilvoirwDbqqbeqlve9Weiiviebeoweuecj;jekr:Tewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bbz9TW79O9V9Wt9F79P9T9W29P9M95bl8E9TW79O9V9Wt9F79P9T9W29P9M959x9Pt9OcttV9P9I91tW7bvQ9TW79O9V9Wt9F79P9T9W29P9M959q9V9P9Ut7boX9TW79O9V9Wt9F79P9T9W29P9M959t9J9H2Wbra9TW79O9V9Wt9F9V9Wt9P9T9P96W9wWVtW94SWt9J9O9sW9T9H9Wbwl79IV9RbDDwebcekdmxq:B9:sdbk;n9vi8Au8A99Hu8Jjjjjbc;W;ab9Rgs8Kjjjjbcbhzascxfcbc;Kbz:ljjjb8AdnabaeSmbabaeadcdtz:kjjjb8AkdndnamcdGmbcbhHxekasalcrfci4gecbyd;S1jjbHjjjjbbgOBdxasceBd2aOcbaez:ljjjbhAcbhlcbhednadTmbcbhlabheadhOinaAaeydbgCci4fgXaXRbbgXceaCcrGgCtV86bbaXcu7aC4ceGalfhlaeclfheaOcufgOmbkcualcdtalcFFFFi0Ehekasaecbyd;S1jjbHjjjjbbgHBdzascdBd2alcd4alfhCcehOinaOgecethOaeaC6mbkcdhzcbhQascuaecdtgOaecFFFFi0Ecbyd;S1jjbHjjjjbbgCBdCasciBd2aCcFeaOz:ljjjbhLdnadTmbaecufhXcbhKinabaQcdtfgYydbgAc:v;t;h;Ev2hCcbhedndninaLaCaXGgCcdtfg8AydbgOcuSmeaHaOcdtfydbaASmdaecefgeaCfhCaeaX9nmbxdkkaHaKcdtfaABdba8AaKBdbaKhOaKcefhKkaYaOBdbaQcefgQad9hmbkkaLcbyd;O1jjbH:bjjjbbascdBd2kascxfazcdtfcualcefgecdtaecFFFFi0Ecbyd;S1jjbHjjjjbbgEBdbasaEBdlasazceVgeBd2ascxfaecdtfcuadcitadcFFFFe0Ecbyd;S1jjbHjjjjbbg3Bdbasa3BdwasazcdfgeBd2asclfabadalcbz:cjjjbascxfaecdtfcualcdtg5alcFFFFi0Eg8Ecbyd;S1jjbHjjjjbbgOBdbasazcifgeBd2ascxfaecdtfa8Ecbyd;S1jjbHjjjjbbg8FBdbasazclVgaBd2alcd4alfhXcehCinaCgecethCaeaX6mbkcbhKascxfaacdtfghcuaecdtgCaecFFFFi0Ecbyd;S1jjbHjjjjbbgXBdbasazcvVggBd2aXcFeaCz:ljjjbhQdnalTmbavcd4hAaecufhCinaKhednaHTmbaHaKcdtfydbhekaiaeaA2cdtfgeydlgXcH4aX7c:F:b:DD2aeydbgXcH4aX7c;D;O:B8J27aeydwgecH4ae7c:3F;N8N27aCGheaKcdth8JdndndndndnaHTmbaHa8JfhYcbhXinaQaecdtfgLydbg8AcuSmlaiaHa8AcdtfydbaA2cdtfaiaYydbaA2cdtfcxz:ojjjbTmiaXcefgXaefaCGheaXaC9nmbxdkkaiaKaA2cdtfhYcbhXinaQaecdtfgLydbg8AcuSmiaia8AaA2cdtfaYcxz:ojjjbTmdaXcefgXaefaCGheaXaC9nmbkkcbhLkaLydbgecu9hmekaLaKBdbaKhekaOa8JfaeBdbaKcefgKal9hmbkcbhea8FhCinaCaeBdbaCclfhCalaecefge9hmbkcbheaOhCa8FhXindnaeaCydbgASmbaXa8FaAcdtfgAydbBdbaAaeBdbkaCclfhCaXclfhXalaecefge9hmbkkcbh8KaQcbyd;O1jjbH:bjjjbbasaaBd2ahalcbyd;S1jjbHjjjjbbgABdbasagBd2ascxfagcdtfa8Ecbyd;S1jjbHjjjjbbgeBdbasazcofgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbgCBdbasazcrfg8LBd2aecFea5z:ljjjbh8MaCcFea5z: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;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgEBdbasazcwVg8JBd2aEaialavaHz:djjjbh8PdndnaDmbcbhvcbh3xekcbh3awhecbhCindnaeIdbJbbbb9ETmbasc;Wbfa3cdtfaCBdba3cefh3kaeclfheaDaCcefgC9hmbkascxfa8Jcdtfcua3al2gecdtaecFFFFi0Ecbyd;S1jjbHjjjjbbgvBdbasazcDVg8JBd2alTmba3Tmbarcd4hKdnaHTmba3cdthicbhQavhYinaoaHaQcdtfydbaK2cdtfhLasc;WbfheaYhCa3hXinaCaLaeydbcdtg8AfIdbawa8AfIdbNUdbaeclfheaCclfhCaXcufgXmbkaYaifhYaQcefgQal9hmbxdkka3cdthicbhQavhYinaoaQaK2cdtfhLasc;WbfheaYhCa3hXinaCaLaeydbcdtg8AfIdbawa8AfIdbNUdbaeclfheaCclfhCaXcufgXmbkaYaifhYaQcefgQal9hmbkkascxfa8Jcdtfcualc8S2gealc;D;O;f8U0EgXcbyd;S1jjbHjjjjbbgCBdbasa8Jcefg8ABd2aCcbaez:ljjjbh8Kdndndna3Tmbascxfa8AcdtfaXcbyd;S1jjbHjjjjbbgqBdbasa8JcdfgCBd2aqcbaez:ljjjb8AascxfaCcdtfcua3al2gecltgCaecFFFFb0Ecbyd;S1jjbHjjjjbbgzBdbasa8JcifBd2azcbaCz:ljjjb8AadmexdkcbhqcbhzadTmekcbhLabhCindnaEaCclfydbgQcx2fgeIdbaEaCydbgYcx2fgXIdbgI:tg8RaEaCcwfydbgKcx2fg8AIdlaXIdlg8S:tgRNa8AIdbaI:tg8UaeIdla8S:tg8VN:tg8Wa8WNa8Va8AIdwaXIdwg8X:tg8YNaRaeIdwa8X:tg8VN:tgRaRNa8Va8UNa8Ya8RN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOaYcdtfydbc8S2fgeaRa8U:rg8UaRNNg8VaeIdbMUdbaea8Ra8Ua8RNg8ZNg8YaeIdlMUdlaea8Wa8Ua8WNg80Ng81aeIdwMUdwaea8ZaRNg8ZaeIdxMUdxaea80aRNgBaeIdzMUdzaea80a8RNg80aeIdCMUdCaeaRa8Ua8Wa8XNaRaINa8Sa8RNMM: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:q1jjbfRbbTmbaOaXcdtfydbaOa8Acdtfydb0mekdnaEaXcx2fgKIdwaEa8Acx2fgiIdwg8S:tgRaRNaKIdbaiIdbg8X:tg8Ra8RNaKIdlaiIdlg8V:tg8Ua8UNMM:rgIJbbbb9ETmbaRaI:vhRa8UaI:vh8Ua8RaI:vh8RkJbbacJbbacJbbjZaeceSEaLceSEh80dnaEaQaCc:e1jjbfydbcdtfydbcx2fgeIdwa8S:tg8WaRa8WaRNaeIdba8X:tg81a8RNa8UaeIdla8V:tg8ZNMMg8YN:tg8Wa8WNa81a8Ra8YN:tgRaRNa8Za8Ua8YN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOa8Acdtfydbc8S2fgeaRa80aINg8UaRNNg8YaeIdbMUdbaea8Ra8Ua8RNg80Ng81aeIdlMUdlaea8Wa8Ua8WNgINg8ZaeIdwMUdwaea80aRNg80aeIdxMUdxaeaIaRNgBaeIdzMUdzaeaIa8RNg83aeIdCMUdCaeaRa8Ua8Wa8SNaRa8XNa8Va8RNMM:mg8SNgINgRaeIdKMUdKaea8RaINg8RaeId3MUd3aea8WaINg8WaeIdaMUdaaeaIa8SNgIaeId8KMUd8Kaea8UaeIdyMUdya8KaOaXcdtfydbc8S2fgea8YaeIdbMUdbaea81aeIdlMUdlaea8ZaeIdwMUdwaea80aeIdxMUdxaeaBaeIdzMUdzaea83aeIdCMUdCaeaRaeIdKMUdKaea8RaeId3MUd3aea8WaeIdaMUdaaeaIaeId8KMUd8Kaea8UaeIdyMUdykaCclfgCcx9hmbkaYcxfhYa8Jcifg8Jad6mbka3TmbcbhYinJbbbbh8XaEabaYcdtfgeclfydbgKcx2fgCIdwaEaeydbgicx2fgXIdwg8Z:tg8Ra8RNaCIdbaXIdbgB:tg8Wa8WNaCIdlaXIdlg83:tg8Ua8UNMMg80aEaecwfydbg8Jcx2fgeIdwa8Z:tgINa8Ra8RaINa8WaeIdbaB:tg8SNa8UaeIdla83:tg8VNMMgRN:tJbbbbJbbjZa80aIaINa8Sa8SNa8Va8VNMMg81NaRaRN:tg8Y:va8YJbbbb9BEg8YNhUa81a8RNaIaRN:ta8YNh85a80a8VNa8UaRN:ta8YNh86a81a8UNa8VaRN:ta8YNh87a80a8SNa8WaRN:ta8YNh88a81a8WNa8SaRN:ta8YNh89a8Wa8VNa8Sa8UN:tgRaRNa8UaINa8Va8RN:tgRaRNa8Ra8SNaIa8WN:tgRaRNMM:rJbbbZNhRavaia32cdtfhCava8Ja32cdtfhXavaKa32cdtfh8Aa8Z:mh8:a83:mhZaB:mhncbhLa3hQJbbbbh8VJbbbbh8YJbbbbh80Jbbbbh81Jbbbbh8ZJbbbbhBJbbbbh83JbbbbhcJbbbbh9cinasc;WbfaLfgecwfaRa85a8AIdbaCIdbgI:tg8UNaUaXIdbaI:tg8SNMg8RNUdbaeclfaRa87a8UNa86a8SNMg8WNUdbaeaRa89a8UNa88a8SNMg8UNUdbaecxfaRa8: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;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkazaKa32cltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8Ambkazaia32cltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkaYcifgYad6mbkkasydlhJcbhednalTmbaJclfheaJydbh8AaAhCalhLcbhXincbaeydbgQa8A9RaCRbbcpeGEaXfhXaCcefhCaeclfheaQh8AaLcufgLmbkaXce4hekcuadae9Rcifg8Lcx2a8Lc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhhascxfasyd2gecdtfahBdbasaecefgCBd2ascxfaCcdtfcua8Lcdta8LcFFFFi0Ecbyd;S1jjbHjjjjbbgoBdbasaecdfgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbggBdbasaecifgCBd2ascxfaCcdtfalcbyd;S1jjbHjjjjbbg9eBdbasaeclfBd2a8PJbbjZamclGEhcJbbbbh83dnadak9nmbdna8Lci6mbaxaxNacacN:vhBa3clthTahcwfhSJbbbbh83inasclfabadgDalaOz:cjjjbabhicbhdcbhyinabaycdtfh8JcbheindnaOaiaefydbgXcdtgKfydbg8AaOa8Jaec:S1jjbfydbcdtfydbgCcdtfydbgLSmbaAaCfRbbgYcv2aAaXfRbbgQfc;a1jjbfRbbgwaQcv2aYfg5c;a1jjbfRbbgaVcFeGTmbdnaLa8A9nmba5c:q1jjbfRbbcFeGmekdnaQaY9hmbaQcufcFeGce0mba8MaKfydbaC9hmekahadcx2fg8AaCaXaacFeGgLEBdla8AaXaCaLEBdba8AaLawGcb9hBdwadcefhdkaeclfgecx9hmbkdnaycifgyaD9pmbaicxfhiadcifa8L9nmekkdnadmbaDhdxikcbhYinJbbbbJbbjZa8KaOahaYcx2fg8AydlgLa8AydbgQa8AydwgCEgicdtfydbgwc8S2gafgeIdygR:vaRJbbbb9BEaeIdwaEaQaLaCEgKcx2fgCIdwg8UNaeIdzaCIdbgINaeIdaMgRaRMMa8UNaeIdlaCIdlg8SNaeIdCa8UNaeId3MgRaRMMa8SNaeIdbaINaeIdxa8SNaeIdKMgRaRMMaINaeId8KMMM:lNh80JbbbbJbbjZa8KaOaQcdtfydbgyc8S2gXfgeIdygR:vaRJbbbb9BEaeIdwaEaLcx2fgCIdwg8WNaeIdzaCIdbg8XNaeIdaMgRaRMMa8WNaeIdlaCIdlg8VNaeIdCa8WNaeId3MgRaRMMa8VNaeIdba8XNaeIdxa8VNaeIdKMgRaRMMa8XNaeId8KMMM:lNh81a8Acwfh8Ja8Aclfh5dna3TmbaqaXfgXIdwa8WNaXIdza8XNaXIdaMgRaRMMa8WNaXIdla8VNaXIdCa8WNaXId3MgRaRMMa8VNaXIdba8XNaXIdxa8VNaXIdKMgRaRMMa8XNaXId8KMMMhRavaLa32cdtfhCazaya32cltfheaXIdyh8Ya3hXinaCIdbg8Ra8Ra8YNaecxfIdba8WaecwfIdbNa8XaeIdbNa8VaeclfIdbNMMMg8Ra8RM:tNaRMhRaCclfhCaeczfheaXcufgXmbkaqaafgXIdwa8UNaXIdzaINaXIdaMg8Ra8RMMa8UNaXIdla8SNaXIdCa8UNaXId3Mg8Ra8RMMa8SNaXIdbaINaXIdxa8SNaXIdKMg8Ra8RMMaINaXId8KMMMh8RavaKa32cdtfhCazawa32cltfheaXIdyh8Xa3hXinaCIdbg8Wa8Wa8XNaecxfIdba8UaecwfIdbNaIaeIdbNa8SaeclfIdbNMMMg8Wa8WM:tNa8RMh8RaCclfhCaeczfheaXcufgXmbka80a8R:lMh80a81aR:lMh81ka5aLaKa81a809FgeEBdba8AaQaiaeEBdba8Ja81a80aeEUdbaYcefgYad9hmbkasc;Wbfcbcj;abz:ljjjb8AaSheadhCinasc;WbfaeydbcO4c;8ZGfgXaXydbcefBdbaecxfheaCcufgCmbkcbhecbhCinasc;WbfaefgXydbh8AaXaCBdba8AaCfhCaeclfgecj;ab9hmbkcbheaShCinasc;WbfaCydbcO4c;8ZGfgXaXydbgXcefBdbaoaXcdtfaeBdbaCcxfhCadaecefge9hmbkaDak9RgXci9Uh9hdnalTmbcbheaghCinaCaeBdbaCclfhCalaecefge9hmbkkcbh9ia9ecbalz:ljjjbh6aXcO9Uh9ka9hce4h0asydwh9mcbhacbh5dninahaoa5cdtfydbcx2fg8JIdwg8RaB9Emeaaa9h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaaa9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgKcwfhyaKclfh8EaEa9rcx2fgwcwfhrawclfh9tcbhCcehYdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRa9tIdbaXIdlg8U:tg8XNawIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RarIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnamcjjjjlGTmbadTmbaHmbcbhLabheinaAaeydbgXfRbbc3thQaecwfgYydbhOdndna8MaXcdtgifydbaeclfgKydbgCSmbcbh8Aa8NaCcdtfydbaX9hmekcjjjj94h8AkaeaQa8AVaXVBdbaAaCfRbbc3thQdndna8MaCcdtfydbaOSmbcbh8Aa8NaOcdtfydbaC9hmekcjjjj94h8AkaKaQa8AVaCVBdbaAaOfRbbc3th8Adndna8MaOcdtfydbaXSmbcbhCa8NaifydbaO9hmekcjjjj94hCkaYa8AaCVaOVBdbaecxfheaLcifgLad6mbkkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHj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// embed! wasm
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h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaya9k0mdkdna6aOa8Jydlgicdtg9nfydbg8Afg9oRbba6aOa8JydbgYcdtg9pfydbg9qfg9rRbbVmbaAaYfRbbh9sdnaJa9qcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgwcwfh8EawclfhraEa9qcx2fgacwfh9taaclfh9ucbhCcehKdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRa9uIdbaXIdlg8U:tg8XNaaIdba8W:tg8VaLIdla8U:tg8RN:tgIaRarIdba8U:tg8YNawIdba8W:tg80a8RN:tg8UNa8Ra9tIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8Ra8EIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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:fPdbdlkaqa8Fa9nfydbgXc8S2fgeaqa8Fa9pfydbg8Ac8S2fgCIdbaeIdbMUdbaeaCIdlaeIdlMUdlaeaCIdwaeIdwMUdwaeaCIdxaeIdxMUdxaeaCIdzaeIdzMUdzaeaCIdCaeIdCMUdCaeaCIdKaeIdKMUdKaeaCId3aeId3MUd3aeaCIdaaeIdaMUdaaeaCId8KaeId8KMUd8KaeaCIdyaeIdyMUdyaTa8A2hQaTaX2hKazhCa3h8AinaCaKfgeaCaQfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8Ambkka9sc9: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:cjjjbkdnamcjjjjlGTmbadTmbaHmbcbhLabheinaAaeydbgXfRbbc3thQaecwfgYydbhOdndna8MaXcdtgifydbaeclfgKydbgCSmbcbh8Aa8NaCcdtfydbaX9hmekcjjjj94h8AkaeaQa8AVaXVBdbaAaCfRbbc3thQdndna8MaCcdtfydbaOSmbcbh8Aa8NaOcdtfydbaC9hmekcjjjj94h8AkaKaQa8AVaCVBdbaAaOfRbbc3th8Adndna8MaOcdtfydbaXSmbcbhCa8NaifydbaO9hmekcjjjj94hCkaYa8AaCVaOVBdbaecxfheaLcifgLad6mbkkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;u83dwdnadTmbaicd4hodnabmbdnalTmbcbhrinaealarcdtfydbao2cdtfhwcbhiinavcCfaifgDawaifIdbgqaDIdbgkakaq9EEUdbavcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkarcefgrad9hmbxikkaocdthrcbhwincbhiinavcCfaifgDaeaifIdbgqaDIdbgkakaq9EEUdbavcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkaearfheawcefgwad9hmbxdkkdnalTmbcbhrinabarcx2fgiaealarcdtfydbao2cdtfgwIdbUdbaiawIdlUdlaiawIdwUdwcbhiinavcCfaifgDawaifIdbgqaDIdbgkakaq9EEUdbavcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkarcefgrad9hmbxdkkaocdthlcbhraehwinabarcx2fgiaearao2cdtfgDIdbUdbaiaDIdlUdlaiaDIdwUdwcbhiinavcCfaifgDawaifIdbgqaDIdbgkakaq9EEUdbavcwfaifgDaqaDIdbgkakaq9DEUdbaiclfgicx9hmbkawalfhwarcefgrad9hmbkkJbbbbavIdwavIdCgk:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;OwkxebbbdbbbjNbb'; // embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index 5ee7269e47..277191aa95 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -4,7 +4,7 @@ var MeshoptSimplifier = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
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ba8A9hmekdnaLcv2aefc:q1jjbfRbbTmbaOaXcdtfydbaOa8Acdtfydb0mekdnaEaXcx2fgKIdwaEa8Acx2fgiIdwg8S:tgRaRNaKIdbaiIdbg8X:tg8Ra8RNaKIdlaiIdlg8V:tg8Ua8UNMM:rgIJbbbb9ETmbaRaI:vhRa8UaI:vh8Ua8RaI:vh8RkJbbacJbbacJbbjZaeceSEaLceSEh80dnaEaQaCc:e1jjbfydbcdtfydbcx2fgeIdwa8S:tg8WaRa8WaRNaeIdba8X:tg81a8RNa8UaeIdla8V:tg8ZNMMg8YN:tg8Wa8WNa81a8Ra8YN:tgRaRNa8Za8Ua8YN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOa8Acdtfydbc8S2fgeaRa80aINg8UaRNNg8YaeIdbMUdbaea8Ra8Ua8RNg80Ng81aeIdlMUdlaea8Wa8Ua8WNgINg8ZaeIdwMUdwaea80aRNg80aeIdxMUdxaeaIaRNgBaeIdzMUdzaeaIa8RNg83aeIdCMUdCaeaRa8Ua8Wa8SNaRa8XNa8Va8RNMM:mg8SNgINgRaeIdKMUdKaea8RaINg8RaeId3MUd3aea8WaINg8WaeIdaMUdaaeaIa8SNgIaeId8KMUd8Kaea8UaeIdyMUdya8KaOaXcdtfydbc8S2fgea8YaeIdbMUdbaea81aeIdlMUdlaea8ZaeIdwMUdwaea80aeIdxMUdxaeaBaeIdzMUdzaea83aeIdCMUdCaeaRaeIdKMUdKaea8RaeId3MUd3aea8WaeIdaMUdaaeaIaeId8KMUd8Kaea8UaeIdyMUdykaCclfgCcx9hmbkaYcxfhYa8Jcifg8Jad6mbka3TmbcbhYinJbbbbh8XaEabaYcdtfgeclfydbgKcx2fgCIdwaEaeydbgicx2fgXIdwg8Z:tg8Ra8RNaCIdbaXIdbgB:tg8Wa8WNaCIdlaXIdlg83:tg8Ua8UNMMg80aEaecwfydbg8Jcx2fgeIdwa8Z:tgINa8Ra8RaINa8WaeIdbaB:tg8SNa8UaeIdla83:tg8VNMMgRN:tJbbbbJbbjZa80aIaINa8Sa8SNa8Va8VNMMg81NaRaRN:tg8Y:va8YJbbbb9BEg8YNhUa81a8RNaIaRN:ta8YNh85a80a8VNa8UaRN:ta8YNh86a81a8UNa8VaRN:ta8YNh87a80a8SNa8WaRN:ta8YNh88a81a8WNa8SaRN:ta8YNh89a8Wa8VNa8Sa8UN:tgRaRNa8UaINa8Va8RN:tgRaRNa8Ra8SNaIa8WN:tgRaRNMM:rJbbbZNhRavaia32cdtfhCava8Ja32cdtfhXavaKa32cdtfh8Aa8Z:mh8:a83:mhZaB:mhncbhLa3hQJbbbbh8VJbbbbh8YJbbbbh80Jbbbbh81Jbbbbh8ZJbbbbhBJbbbbh83JbbbbhcJbbbbh9cinasc;WbfaLfgecwfaRa85a8AIdbaCIdbgI:tg8UNaUaXIdbaI:tg8SNMg8RNUdbaeclfaRa87a8UNa86a8SNMg8WNUdbaeaRa89a8UNa88a8SNMg8UNUdbaecxfaRa8: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;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkazaKa32cltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8Ambkazaia32cltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkaYcifgYad6mbkkasydlhJcbhednalTmbaJclfheaJydbh8AaAhCalhLcbhXincbaeydbgQa8A9RaCRbbcpeGEaXfhXaCcefhCaeclfheaQh8AaLcufgLmbkaXce4hekcuadae9Rcifg8Lcx2a8Lc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhhascxfasyd2gecdtfahBdbasaecefgCBd2ascxfaCcdtfcua8Lcdta8LcFFFFi0Ecbyd;S1jjbHjjjjbbgoBdbasaecdfgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbggBdbasaecifgCBd2ascxfaCcdtfalcbyd;S1jjbHjjjjbbg9eBdbasaeclfBd2a8PJbbjZamclGEhcJbbbbh83dnadak9nmbdna8Lci6mbaxaxNacacN:vhBa3clthTahcwfhSJbbbbh83inasclfabadgDalaOz:cjjjbabhicbhdcbhyinabaycdtfh8JcbheindnaOaiaefydbgXcdtgKfydbg8AaOa8Jaec:S1jjbfydbcdtfydbgCcdtfydbgLSmbaAaCfRbbgYcv2aAaXfRbbgQfc;a1jjbfRbbgwaQcv2aYfg5c;a1jjbfRbbgaVcFeGTmbdnaLa8A9nmba5c:q1jjbfRbbcFeGmekdnaQaY9hmbaQcufcFeGce0mba8MaKfydbaC9hmekahadcx2fg8AaCaXaacFeGgLEBdla8AaXaCaLEBdba8AaLawGcb9hBdwadcefhdkaeclfgecx9hmbkdnaycifgyaD9pmbaicxfhiadcifa8L9nmekkdnadmbaDhdxikcbhYinJbbbbJbbjZa8KaOahaYcx2fg8AydlgLa8AydbgQa8AydwgCEgicdtfydbgwc8S2gafgeIdygR:vaRJbbbb9BEaeIdwaEaQaLaCEgKcx2fgCIdwg8UNaeIdzaCIdbgINaeIdaMgRaRMMa8UNaeIdlaCIdlg8SNaeIdCa8UNaeId3MgRaRMMa8SNaeIdbaINaeIdxa8SNaeIdKMgRaRMMaINaeId8KMMM:lNh80JbbbbJbbjZa8KaOaQcdtfydbgyc8S2gXfgeIdygR:vaRJbbbb9BEaeIdwaEaLcx2fgCIdwg8WNaeIdzaCIdbg8XNaeIdaMgRaRMMa8WNaeIdlaCIdlg8VNaeIdCa8WNaeId3MgRaRMMa8VNaeIdba8XNaeIdxa8VNaeIdKMgRaRMMa8XNaeId8KMMM:lNh81a8Acwfh8Ja8Aclfh5dna3TmbaqaXfgXIdwa8WNaXIdza8XNaXIdaMgRaRMMa8WNaXIdla8VNaXIdCa8WNaXId3MgRaRMMa8VNaXIdba8XNaXIdxa8VNaXIdKMgRaRMMa8XNaXId8KMMMhRavaLa32cdtfhCazaya32cltfheaXIdyh8Ya3hXinaCIdbg8Ra8Ra8YNaecxfIdba8WaecwfIdbNa8XaeIdbNa8VaeclfIdbNMMMg8Ra8RM:tNaRMhRaCclfhCaeczfheaXcufgXmbkaqaafgXIdwa8UNaXIdzaINaXIdaMg8Ra8RMMa8UNaXIdla8SNaXIdCa8UNaXId3Mg8Ra8RMMa8SNaXIdbaINaXIdxa8SNaXIdKMg8Ra8RMMaINaXId8KMMMh8RavaKa32cdtfhCazawa32cltfheaXIdyh8Xa3hXinaCIdbg8Wa8Wa8XNaecxfIdba8UaecwfIdbNaIaeIdbNa8SaeclfIdbNMMMg8Wa8WM:tNa8RMh8RaCclfhCaeczfheaXcufgXmbka80a8R:lMh80a81aR:lMh81ka5aLaKa81a809FgeEBdba8AaQaiaeEBdba8Ja81a80aeEUdbaYcefgYad9hmbkasc;Wbfcbcj;abz:ljjjb8AaSheadhCinasc;WbfaeydbcO4c;8ZGfgXaXydbcefBdbaecxfheaCcufgCmbkcbhecbhCinasc;WbfaefgXydbh8AaXaCBdba8AaCfhCaeclfgecj;ab9hmbkcbheaShCinasc;WbfaCydbcO4c;8ZGfgXaXydbgXcefBdbaoaXcdtfaeBdbaCcxfhCadaecefge9hmbkaDak9RgXci9Uh9hdnalTmbcbheaghCinaCaeBdbaCclfhCalaecefge9hmbkkcbh9ia9ecbalz:ljjjbh6aXcO9Uh9ka9hce4h0asydwh9mcbhacbh5dninahaoa5cdtfydbcx2fg8JIdwg8RaB9Emeaaa9h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaaa9k0mdkdna6aOa8Jydlg9ncdtg9ofydbg8Afg9pRbba6aOa8Jydbgicdtg9qfydbg9rfg9sRbbVmbdnaJa9rcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgKcwfhyaKclfh8EaEa9rcx2fgwcwfhrawclfh9tcbhCcehYdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRa9tIdbaXIdlg8U:tg8XNawIdba8W:tg8VaLIdla8U:tg8RN:tgIaRa8EIdba8U:tg8YNaKIdba8W:tg80a8RN:tg8UNa8RarIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8RayIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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: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:cjjjbkdnamcjjjjlGTmbadTmbaHmbcbhLabheinaAaeydbgXfRbbc3thQaecwfgYydbhOdndna8MaXcdtgifydbaeclfgKydbgCSmbcbh8Aa8NaCcdtfydbaX9hmekcjjjj94h8AkaeaQa8AVaXVBdbaAaCfRbbc3thQdndna8MaCcdtfydbaOSmbcbh8Aa8NaOcdtfydbaC9hmekcjjjj94h8AkaKaQa8AVaCVBdbaAaOfRbbc3th8Adndna8MaOcdtfydbaXSmbcbhCa8NaifydbaO9hmekcjjjj94hCkaYa8AaCVaOVBdbaecxfheaLcifgLad6mbkkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHj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// embed! wasm
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h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaya9k0mdkdna6aOa8Jydlgicdtg9nfydbg8Afg9oRbba6aOa8JydbgYcdtg9pfydbg9qfg9rRbbVmbaAaYfRbbh9sdnaJa9qcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgwcwfh8EawclfhraEa9qcx2fgacwfh9taaclfh9ucbhCcehKdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRa9uIdbaXIdlg8U:tg8XNaaIdba8W:tg8VaLIdla8U:tg8RN:tgIaRarIdba8U:tg8YNawIdba8W:tg80a8RN:tg8UNa8Ra9tIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8Ra8EIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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:fPdbdlkaqa8Fa9nfydbgXc8S2fgeaqa8Fa9pfydbg8Ac8S2fgCIdbaeIdbMUdbaeaCIdlaeIdlMUdlaeaCIdwaeIdwMUdwaeaCIdxaeIdxMUdxaeaCIdzaeIdzMUdzaeaCIdCaeIdCMUdCaeaCIdKaeIdKMUdKaeaCId3aeId3MUd3aeaCIdaaeIdaMUdaaeaCId8KaeId8KMUd8KaeaCIdyaeIdyMUdyaTa8A2hQaTaX2hKazhCa3h8AinaCaKfgeaCaQfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8Ambkka9sc9: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:cjjjbkdnamcjjjjlGTmbadTmbaHmbcbhLabheinaAaeydbgXfRbbc3thQaecwfgYydbhOdndna8MaXcdtgifydbaeclfgKydbgCSmbcbh8Aa8NaCcdtfydbaX9hmekcjjjj94h8AkaeaQa8AVaXVBdbaAaCfRbbc3thQdndna8MaCcdtfydbaOSmbcbh8Aa8NaOcdtfydbaC9hmekcjjjj94h8AkaKaQa8AVaCVBdbaAaOfRbbc3th8Adndna8MaOcdtfydbaXSmbcbhCa8NaifydbaO9hmekcjjjj94hCkaYa8AaCVaOVBdbaecxfheaLcifgLad6mbkkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5ad9hmbxdkkascFeaPz:ljjjb8Acbh3kaDaYa3ar0giEhmaLa3aiEhCdna3arSmbaYaKaiEgAam9Rcd9imbdndnaXcl0mbdnaQ:ZgHaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa3:Zghaz:tNNNaHaz:taaNa8Aah:tNa8Aaz:ta8FNahaH:tNM:va8EMJbbbZMgH:lJbbb9p9DTmbaH:Ohexdkcjjjj94hexekamaAfcd9Theka3aQaiEhQaXcefgXcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg5BdKawclBd2dndnadTmbamcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbhDcbh3inaxa3cdtgYfydbgAcm4aA7c:v;t;h;Ev2gics4ai7hecbhidndninaEaeaOGgmcdtfgCydbgecuSmednaxaecdtgCfydbaASmbaicefgiamfheaiaO9nmekka5aCfydbhixekaCa3BdbaDhiaDcefhDka5aYfaiBdba3cefg3ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekascFeaPz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhCavcd4hxdnadTmbdnalTmbaxcdthEa5hAalheaqhmadhOinaCaAydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaAclfhAaeaEfheamcxfhmaOcufgOmbxdkka5hmaqheadhAinaCamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaAcufgAmbkkdnaDTmbaChiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgH:vaHJbbbb9BEgHNUdbaiclfgmaHamIdbNUdbaicwfgmaHamIdbNUdbaicxfgmaHamIdbNUdbaiczfgmaHamIdbNUdbaicCfgmaHamIdbNUdbaic3fhiaecufgembkkcbhAawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbgEBd8KaecFeaYz:ljjjbh3dnadTmbaoaoNh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaCa5ydbgOc32fgiIdC:tgHaHNamIdbaiIdx:tgHaHNamIdlaiIdz:tgHaHNMMNaqcwfIdbaiIdw:tgHaHNaqIdbaiIdb:tgHaHNaqclfIdbaiIdl:tgHaHNMMMhHdndna3aOcdtgifgmydbcuSmbaEaifIdbaH9ETmekamaABdbaEaifaHUdbka5clfh5aeaxfheaqcxfhqadaAcefgA9hmbkkaba3aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oebbbdbbbbbbbebbbeeebeebebbeeebebbbbbebebbbbbebbbdbbbbbbbbbbbbbbbeeeeebebbbbbebbbbbeebbbbbbbbbbbbbbbbbbbbbc;OwkxebbbdbbbjNbb'; // embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,

From 764a4b6d12cb8c0b0d5b67dc12ca6197a1344e13 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 27 Aug 2024 03:03:15 -0700
Subject: [PATCH 221/581] gltfpack: Expose simplification error via
 command-line

Instead of using a hard-coded error, we now allow specifying it via -se
command line argument. This can be useful to allow more significant
simplification when the default 1% error is too restrictive, as well as
relax the limit in combination with -sv where the error could be a
little higher.

Note that by default, we use 1% error for edge simplifier and 10% error
for sloppy simplifier if -sa is specified. This change preserves this
behavior, but when an error is specified we use it for both simplifiers.
So technically -se 0.01 -sa results in a different behavior from just
specifying -sa, but that seems preferable to always amplifying the error
for sloppy simplifier.
---
 gltf/gltfpack.cpp | 11 ++++++++---
 gltf/gltfpack.h   |  5 +++--
 gltf/mesh.cpp     | 16 ++++++++--------
 3 files changed, 19 insertions(+), 13 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 4f68ad5cc1..47c3f6b79c 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -393,7 +393,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		{
 			Mesh kinds = {};
 			Mesh loops = {};
-			debugSimplify(mesh, kinds, loops, settings.simplify_debug, settings.simplify_attributes);
+			debugSimplify(mesh, kinds, loops, settings.simplify_debug, settings.simplify_error, settings.simplify_attributes);
 			debug_meshes.push_back(kinds);
 			debug_meshes.push_back(loops);
 		}
@@ -1177,7 +1177,7 @@ Settings defaults()
 	settings.rot_bits = 12;
 	settings.scl_bits = 16;
 	settings.anim_freq = 30;
-	settings.simplify_threshold = 1.f;
+	settings.simplify_ratio = 1.f;
 	settings.texture_scale = 1.f;
 	for (int kind = 0; kind < TextureKind__Count; ++kind)
 		settings.texture_quality[kind] = 8;
@@ -1323,7 +1323,11 @@ int main(int argc, char** argv)
 		}
 		else if (strcmp(arg, "-si") == 0 && i + 1 < argc && isdigit(argv[i + 1][0]))
 		{
-			settings.simplify_threshold = clamp(float(atof(argv[++i])), 0.f, 1.f);
+			settings.simplify_ratio = clamp(float(atof(argv[++i])), 0.f, 1.f);
+		}
+		else if (strcmp(arg, "-se") == 0 && i + 1 < argc && isdigit(argv[i + 1][0]))
+		{
+			settings.simplify_error = clamp(float(atof(argv[++i])), 1e-4f, 1.f);
 		}
 		else if (strcmp(arg, "-sa") == 0)
 		{
@@ -1521,6 +1525,7 @@ int main(int argc, char** argv)
 			fprintf(stderr, "\t... where C is a comma-separated list (no spaces) with valid values color,normal,attrib\n");
 			fprintf(stderr, "\nSimplification:\n");
 			fprintf(stderr, "\t-si R: simplify meshes targeting triangle/point count ratio R (default: 1; R should be between 0 and 1)\n");
+			fprintf(stderr, "\t-se E: limit simplification error to E (E should be between 0 and 1; 0.01 means 1%% deviation)\n");
 			fprintf(stderr, "\t-sa: aggressively simplify to the target ratio disregarding quality\n");
 			fprintf(stderr, "\t-sv: take vertex attributes into account when simplifying meshes\n");
 			fprintf(stderr, "\t-slb: lock border vertices during simplification to avoid gaps on connected meshes\n");
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 10d436d43a..0249d265df 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -134,7 +134,8 @@ struct Settings
 	bool mesh_merge;
 	bool mesh_instancing;
 
-	float simplify_threshold;
+	float simplify_ratio;
+	float simplify_error;
 	bool simplify_aggressive;
 	bool simplify_lock_borders;
 	bool simplify_attributes;
@@ -306,7 +307,7 @@ cgltf_data* parseGlb(const void* buffer, size_t size, std::vector<Mesh>& meshes,
 void processAnimation(Animation& animation, const Settings& settings);
 void processMesh(Mesh& mesh, const Settings& settings);
 
-void debugSimplify(const Mesh& mesh, Mesh& kinds, Mesh& loops, float ratio, bool attributes);
+void debugSimplify(const Mesh& mesh, Mesh& kinds, Mesh& loops, float ratio, float error, bool attributes);
 void debugMeshlets(const Mesh& mesh, Mesh& meshlets, int max_vertices, bool scan);
 
 bool compareMeshTargets(const Mesh& lhs, const Mesh& rhs);
diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index a3dc339410..23fcaf7c95 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -527,7 +527,7 @@ static Stream* getStream(Mesh& mesh, cgltf_attribute_type type, int index = 0)
 	return NULL;
 }
 
-static void simplifyMesh(Mesh& mesh, float threshold, bool attributes, bool aggressive, bool lock_borders, bool debug = false)
+static void simplifyMesh(Mesh& mesh, float threshold, float error, bool attributes, bool aggressive, bool lock_borders, bool debug = false)
 {
 	enum
 	{
@@ -546,8 +546,8 @@ static void simplifyMesh(Mesh& mesh, float threshold, bool attributes, bool aggr
 	size_t vertex_count = mesh.streams[0].data.size();
 
 	size_t target_index_count = size_t(double(mesh.indices.size() / 3) * threshold) * 3;
-	float target_error = 1e-2f;
-	float target_error_aggressive = 1e-1f;
+	float target_error = error == 0 ? 1e-2f : error;
+	float target_error_aggressive = error == 0 ? 1e-1f : error;
 	unsigned int options = 0;
 	if (lock_borders)
 		options |= meshopt_SimplifyLockBorder;
@@ -771,7 +771,7 @@ void processMesh(Mesh& mesh, const Settings& settings)
 	{
 	case cgltf_primitive_type_points:
 		assert(mesh.indices.empty());
-		simplifyPointMesh(mesh, settings.simplify_threshold);
+		simplifyPointMesh(mesh, settings.simplify_ratio);
 		sortPointMesh(mesh);
 		break;
 
@@ -782,8 +782,8 @@ void processMesh(Mesh& mesh, const Settings& settings)
 		filterBones(mesh);
 		reindexMesh(mesh);
 		filterTriangles(mesh);
-		if (settings.simplify_threshold < 1)
-			simplifyMesh(mesh, settings.simplify_threshold, settings.simplify_attributes, settings.simplify_aggressive, settings.simplify_lock_borders);
+		if (settings.simplify_ratio < 1)
+			simplifyMesh(mesh, settings.simplify_ratio, settings.simplify_error, settings.simplify_attributes, settings.simplify_aggressive, settings.simplify_lock_borders);
 		optimizeMesh(mesh, settings.compressmore);
 		break;
 
@@ -793,7 +793,7 @@ void processMesh(Mesh& mesh, const Settings& settings)
 }
 
 #ifndef NDEBUG
-void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio, bool attributes)
+void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio, float error, bool attributes)
 {
 	Mesh mesh = source;
 	assert(mesh.type == cgltf_primitive_type_triangles);
@@ -806,7 +806,7 @@ void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio, bo
 
 	size_t vertex_count = mesh.streams[0].data.size();
 
-	simplifyMesh(mesh, ratio, attributes, /* aggressive= */ false, /* lock_borders= */ false, /* debug= */ true);
+	simplifyMesh(mesh, ratio, error, attributes, /* aggressive= */ false, /* lock_borders= */ false, /* debug= */ true);
 
 	// color palette for display
 	static const Attr kPalette[] = {

From 9cc4210e78cb7d666ed908f103fe7a7aee6dae1a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 27 Aug 2024 03:18:39 -0700
Subject: [PATCH 222/581] gltfpack: Use both normals & colors if present for
 simplification

Since the core algorithm now automatically reallocates attributes
optimally when some weights are zero, we can fill a temporary array with
a fixed stride of 6 with normals, colors, or both, and pass it along
without having to worry about efficiency. The performance impact of
creating the temporary data is minimal compared to the actual
simplification, and this improves appearance on meshes with color and
normal data further when -sv is used.

For now we use normal weight 0.5 and color weight 1.0 to match demo and
because this works reasonably well, but bumping the normal weight to 1.0
may make sense in the future.
---
 gltf/mesh.cpp | 55 +++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 49 insertions(+), 6 deletions(-)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 23fcaf7c95..5dfa58e89d 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -527,6 +527,44 @@ static Stream* getStream(Mesh& mesh, cgltf_attribute_type type, int index = 0)
 	return NULL;
 }
 
+static void simplifyAttributes(std::vector<float>& attrs, float* attrw, size_t stride, Mesh& mesh)
+{
+	assert(stride >= 6); // normal + color
+
+	size_t vertex_count = mesh.streams[0].data.size();
+
+	attrs.resize(vertex_count * stride);
+	float* data = attrs.data();
+
+	if (const Stream* attr = getStream(mesh, cgltf_attribute_type_normal))
+	{
+		const Attr* a = attr->data.data();
+
+		for (size_t i = 0; i < vertex_count; ++i)
+		{
+			data[i * stride + 0] = a[i].f[0];
+			data[i * stride + 1] = a[i].f[1];
+			data[i * stride + 2] = a[i].f[2];
+		}
+
+		attrw[0] = attrw[1] = attrw[2] = 0.5f;
+	}
+
+	if (const Stream* attr = getStream(mesh, cgltf_attribute_type_color))
+	{
+		const Attr* a = attr->data.data();
+
+		for (size_t i = 0; i < vertex_count; ++i)
+		{
+			data[i * stride + 3] = a[i].f[0] * a[i].f[3];
+			data[i * stride + 4] = a[i].f[1] * a[i].f[3];
+			data[i * stride + 5] = a[i].f[2] * a[i].f[3];
+		}
+
+		attrw[3] = attrw[4] = attrw[5] = 1.0f;
+	}
+}
+
 static void simplifyMesh(Mesh& mesh, float threshold, float error, bool attributes, bool aggressive, bool lock_borders, bool debug = false)
 {
 	enum
@@ -554,16 +592,21 @@ static void simplifyMesh(Mesh& mesh, float threshold, float error, bool attribut
 	if (debug)
 		options |= meshopt_SimplifyInternalDebug;
 
-	const Stream* attr = getStream(mesh, cgltf_attribute_type_color);
-	attr = attr ? attr : getStream(mesh, cgltf_attribute_type_normal);
+	std::vector<unsigned int> indices(mesh.indices.size());
 
-	const float attrw[3] = {0.5f, 0.5f, 0.5f};
+	if (attributes)
+	{
+		float attrw[6] = {};
+		std::vector<float> attrs;
+		simplifyAttributes(attrs, attrw, sizeof(attrw) / sizeof(attrw[0]), mesh);
 
-	std::vector<unsigned int> indices(mesh.indices.size());
-	if (attributes && attr)
-		indices.resize(meshopt_simplifyWithAttributes(&indices[0], &mesh.indices[0], mesh.indices.size(), positions->data[0].f, vertex_count, sizeof(Attr), attr->data[0].f, sizeof(Attr), attrw, 3, NULL, target_index_count, target_error, options));
+		indices.resize(meshopt_simplifyWithAttributes(&indices[0], &mesh.indices[0], mesh.indices.size(), positions->data[0].f, vertex_count, sizeof(Attr), attrs.data(), sizeof(attrw), attrw, sizeof(attrw) / sizeof(attrw[0]), NULL, target_index_count, target_error, options));
+	}
 	else
+	{
 		indices.resize(meshopt_simplify(&indices[0], &mesh.indices[0], mesh.indices.size(), positions->data[0].f, vertex_count, sizeof(Attr), target_index_count, target_error, options));
+	}
+
 	mesh.indices.swap(indices);
 
 	// Note: if the simplifier got stuck, we can try to reindex without normals/tangents and retry

From 62ec7cbe36c32cac750fe51fcb552e52d0a8ecce Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 27 Aug 2024 03:41:25 -0700
Subject: [PATCH 223/581] Use xargs -P to run gltfpack in parallel

This should reduce the time gltfpack jobs take on GHA.
---
 .github/workflows/build.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8ed3a5cd01..42804308bf 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -90,13 +90,13 @@ jobs:
     - name: make
       run: make -j2 config=sanitize gltfpack
     - name: test
-      run: find glTF-Sample-Assets -name *.gltf -or -name *.glb | xargs -d '\n' ./gltfpack -cc -test
+      run: find glTF-Sample-Assets -name '*.gltf' -or -name '*.glb' | xargs -P 2 -L 16 -d '\n' ./gltfpack -cc -test
     - name: pack
-      run: find glTF-Sample-Assets -name *.gltf | grep -v 'glTF-Draco' | xargs -d '\n' -I '{}' ./gltfpack -i '{}' -o '{}pack.gltf'
+      run: find glTF-Sample-Assets -name '*.gltf' | grep -v 'glTF-Draco' | xargs -P 2 -L 16 -d '\n' -I '{}' ./gltfpack -i '{}' -o '{}pack.gltf'
     - name: validate
       run: |
         curl -sL $VALIDATOR | tar xJ
-        find glTF-Sample-Assets -name *.gltfpack.gltf | xargs -d '\n' -L 1 ./gltf_validator -r -a
+        find glTF-Sample-Assets -name '*.gltfpack.gltf' | xargs -P 2 -L 1 -d '\n' ./gltf_validator -r -a
       env:
         VALIDATOR: https://github.com/KhronosGroup/glTF-Validator/releases/download/2.0.0-dev.3.8/gltf_validator-2.0.0-dev.3.8-linux64.tar.xz
 
@@ -158,7 +158,7 @@ jobs:
       run: make -j2 config=coverage BASISU=basis_universal gltfpack
     - name: test
       run: |
-        find glTF-Sample-Assets -name *.gltf -or -name *.glb | xargs -d '\n' ./gltfpack -cc -test
+        find glTF-Sample-Assets -name '*.gltf' -or -name '*.glb' | xargs -P 2 -L 16 -d '\n' ./gltfpack -cc -test
         ./gltfpack -test demo/pirate.obj -si 0.5
         ./gltfpack -test demo/pirate.obj -sd 0.5 -md 64
         ./gltfpack -test glTF-Sample-Assets/Models/ABeautifulGame/glTF/ABeautifulGame.gltf -mi -c

From 0bf21e80570fbfeceee78c9d67897e0ba8fc884b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 27 Aug 2024 04:21:08 -0700
Subject: [PATCH 224/581] gltfpack: For now always use error=1e-1f for
 simplifySloppy

Before this we used the error specified via command line for
simplifySloppy when -sa was specified. It probably makes more sense to
keep the hardcoded high error; the documentation says that this option
disregards quality, and this way the behavior is cleaner wrt defaults
since -se 0.01 is equivalent to not specifying it. If we need control
over aggressive error limit we can revert this commit in the future.
---
 gltf/gltfpack.cpp | 5 +++--
 gltf/mesh.cpp     | 4 ++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 47c3f6b79c..3ec5f4c00b 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -1178,6 +1178,7 @@ Settings defaults()
 	settings.scl_bits = 16;
 	settings.anim_freq = 30;
 	settings.simplify_ratio = 1.f;
+	settings.simplify_error = 1e-2f;
 	settings.texture_scale = 1.f;
 	for (int kind = 0; kind < TextureKind__Count; ++kind)
 		settings.texture_quality[kind] = 8;
@@ -1327,7 +1328,7 @@ int main(int argc, char** argv)
 		}
 		else if (strcmp(arg, "-se") == 0 && i + 1 < argc && isdigit(argv[i + 1][0]))
 		{
-			settings.simplify_error = clamp(float(atof(argv[++i])), 1e-4f, 1.f);
+			settings.simplify_error = clamp(float(atof(argv[++i])), 0.f, 1.f);
 		}
 		else if (strcmp(arg, "-sa") == 0)
 		{
@@ -1525,7 +1526,7 @@ int main(int argc, char** argv)
 			fprintf(stderr, "\t... where C is a comma-separated list (no spaces) with valid values color,normal,attrib\n");
 			fprintf(stderr, "\nSimplification:\n");
 			fprintf(stderr, "\t-si R: simplify meshes targeting triangle/point count ratio R (default: 1; R should be between 0 and 1)\n");
-			fprintf(stderr, "\t-se E: limit simplification error to E (E should be between 0 and 1; 0.01 means 1%% deviation)\n");
+			fprintf(stderr, "\t-se E: limit simplification error to E (default: 0.01 = 1%% deviation; E should be between 0 and 1)\n");
 			fprintf(stderr, "\t-sa: aggressively simplify to the target ratio disregarding quality\n");
 			fprintf(stderr, "\t-sv: take vertex attributes into account when simplifying meshes\n");
 			fprintf(stderr, "\t-slb: lock border vertices during simplification to avoid gaps on connected meshes\n");
diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 5dfa58e89d..dc2a18c136 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -584,8 +584,8 @@ static void simplifyMesh(Mesh& mesh, float threshold, float error, bool attribut
 	size_t vertex_count = mesh.streams[0].data.size();
 
 	size_t target_index_count = size_t(double(mesh.indices.size() / 3) * threshold) * 3;
-	float target_error = error == 0 ? 1e-2f : error;
-	float target_error_aggressive = error == 0 ? 1e-1f : error;
+	float target_error = error;
+	float target_error_aggressive = 1e-1f;
 	unsigned int options = 0;
 	if (lock_borders)
 		options |= meshopt_SimplifyLockBorder;

From 26d441931f430222c15a102fe7a39f220adedea1 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 27 Aug 2024 05:52:38 -0700
Subject: [PATCH 225/581] Enhance gltfpack testing coverage

Add attribute and aggressive simplification, point cloud simplification,
mesh merging and texture mask based quality overrides to exercise more
code.
---
 .github/workflows/build.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 42804308bf..becaf6b064 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -160,12 +160,16 @@ jobs:
       run: |
         find glTF-Sample-Assets -name '*.gltf' -or -name '*.glb' | xargs -P 2 -L 16 -d '\n' ./gltfpack -cc -test
         ./gltfpack -test demo/pirate.obj -si 0.5
+        ./gltfpack -test demo/pirate.obj -si 0.1 -sv -sa
         ./gltfpack -test demo/pirate.obj -sd 0.5 -md 64
         ./gltfpack -test glTF-Sample-Assets/Models/ABeautifulGame/glTF/ABeautifulGame.gltf -mi -c
         ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -vpf -vtf -c
         ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -vpf -vtf -cc
         ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc
+        ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -tq color 10
         ./gltfpack -test glTF-Sample-Assets/Models/CesiumMan/glTF/CesiumMan.gltf -tu -ts 0.6 -tp
+        ./gltfpack -test glTF-Sample-Assets/Models/PrimitiveModeNormalsTest/glTF/PrimitiveModeNormalsTest.gltf -si 0.5
+        ./gltfpack -test glTF-Sample-Assets/Models/SimpleMeshes/glTF/SimpleMeshes.gltf -mm
     - name: test output
       run: |
         ./gltfpack || true

From 9d6bb6f05479b10e74cc95e9c6df9cdd4c4b0b76 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 27 Aug 2024 19:49:38 -0700
Subject: [PATCH 226/581] indexgenerator: Introduce initial version of
 provoking vertex algorithm

This algorithm restructures the index buffer to satisfy two constraints:

- indices[3 * tri + 0] == tri
- reorder[indices[x]] refers to the original vertices

This index buffer requires a vertex shader that performs the indirection
through reorder[], and because this construction requires at least one
vertex per triangle it can be less efficient to render, however this
allows passing the vertex id to the fragment shader using nointerpolate
attribute (via provoking vertex), which is equal to primitive id.

This is important for performance of visibility buffer based renderers
on hardware where primitive id can't be accessed efficiently.

This is an initial implementation loosely based on SIGGRAPH 2024
"Variable Rate Shading with Visibility Buffer Rendering" talk; we're
missing some features like valence based prioritization, but because the
algorithm works on the entire mesh it already produces better results
than the cluster-based version suggested in the talk.
---
 src/indexgenerator.cpp | 97 ++++++++++++++++++++++++++++++++++++++++++
 src/meshoptimizer.h    |  2 +
 2 files changed, 99 insertions(+)

diff --git a/src/indexgenerator.cpp b/src/indexgenerator.cpp
index f6728345a9..726f2566e8 100644
--- a/src/indexgenerator.cpp
+++ b/src/indexgenerator.cpp
@@ -576,3 +576,100 @@ void meshopt_generateTessellationIndexBuffer(unsigned int* destination, const un
 		memcpy(destination + i * 4, patch, sizeof(patch));
 	}
 }
+
+size_t meshopt_generateProvokingIndexBuffer(unsigned int* destination, unsigned int* reorder, const unsigned int* indices, size_t index_count, size_t vertex_count)
+{
+	using namespace meshopt;
+
+	assert(index_count % 3 == 0);
+
+	meshopt_Allocator allocator;
+
+	unsigned int* remap = allocator.allocate<unsigned int>(vertex_count);
+	memset(remap, -1, vertex_count * sizeof(unsigned int));
+
+	unsigned int reorder_offset = 0;
+
+	// pass 1: assign provoking vertices
+	for (size_t i = 0; i < index_count; i += 3)
+	{
+		unsigned int a = indices[i + 0], b = indices[i + 1], c = indices[i + 2];
+		assert(a < vertex_count && b < vertex_count && c < vertex_count);
+
+		// try to rotate such that a hasn't been seen before
+		// TODO: predict based on valence
+		if (remap[a] != ~0u)
+		{
+			if (remap[b] == ~0u)
+			{
+				unsigned int t = a;
+				a = b;
+				b = c;
+				c = t;
+			}
+			else if (remap[c] == ~0u)
+			{
+				unsigned int t = c;
+				c = b;
+				b = a;
+				a = t;
+			}
+		}
+
+		unsigned int newidx = reorder_offset;
+
+		// now remap[a] = ~0u or all three verts are old
+		if (remap[a] == ~0u)
+		{
+			remap[a] = newidx;
+			reorder[reorder_offset++] = a;
+
+			destination[i + 0] = newidx;
+			destination[i + 1] = b;
+			destination[i + 2] = c;
+		}
+		else
+		{
+			// all three verts are old; we need to clone one of them
+			// for now clone a
+			// TODO: predict based on valence if above isn't enough
+			reorder[reorder_offset++] = a;
+
+			destination[i + 0] = newidx;
+			destination[i + 1] = b;
+			destination[i + 2] = c;
+		}
+	}
+
+	// pass 2: remap non-provoking vertices
+	for (size_t i = 0; i < index_count; i += 3)
+	{
+		unsigned int& rb = destination[i + 1];
+		unsigned int& rc = destination[i + 2];
+
+		if (remap[rb] == ~0u)
+		{
+			unsigned int newidx = reorder_offset;
+
+			remap[rb] = newidx;
+			reorder[reorder_offset++] = rb;
+			rb = newidx;
+		}
+		else
+			rb = remap[rb];
+
+		if (remap[rc] == ~0u)
+		{
+			unsigned int newidx = reorder_offset;
+
+			remap[rc] = newidx;
+			reorder[reorder_offset++] = rc;
+			rc = newidx;
+		}
+		else
+			rc = remap[rc];
+	}
+
+	assert(reorder_offset <= vertex_count + (index_count / 3));
+	return reorder_offset;
+}
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index f5667eb480..cc87f3563b 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -139,6 +139,8 @@ MESHOPTIMIZER_API void meshopt_generateAdjacencyIndexBuffer(unsigned int* destin
  */
 MESHOPTIMIZER_API void meshopt_generateTessellationIndexBuffer(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride);
 
+MESHOPTIMIZER_EXPERIMENTAL size_t meshopt_generateProvokingIndexBuffer(unsigned int* destination, unsigned int* reorder, const unsigned int* indices, size_t index_count, size_t vertex_count);
+
 /**
  * Vertex transform cache optimizer
  * Reorders indices to reduce the number of GPU vertex shader invocations

From 51689b265729f1092eb5f4ee77a75cce33baa735 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 27 Aug 2024 20:10:34 -0700
Subject: [PATCH 227/581] indexgenerator: Add documentation and references for
 provoking vertex

While we aren't using the exact construction of the algorithm from
SIGGRAPH 2024 paper, this work is motivated by and based on that talk.
---
 src/indexgenerator.cpp |  1 +
 src/meshoptimizer.h    | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/src/indexgenerator.cpp b/src/indexgenerator.cpp
index 726f2566e8..b15e9247ea 100644
--- a/src/indexgenerator.cpp
+++ b/src/indexgenerator.cpp
@@ -6,6 +6,7 @@
 
 // This work is based on:
 // John McDonald, Mark Kilgard. Crack-Free Point-Normal Triangles using Adjacent Edge Normals. 2010
+// John Hable. Variable Rate Shading with Visibility Buffer Rendering. 2024
 namespace meshopt
 {
 
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index cc87f3563b..6e92f708d3 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -139,6 +139,17 @@ MESHOPTIMIZER_API void meshopt_generateAdjacencyIndexBuffer(unsigned int* destin
  */
 MESHOPTIMIZER_API void meshopt_generateTessellationIndexBuffer(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride);
 
+/**
+ * Experimental: Generate index buffer that can be used for visibility buffer rendering
+ * Each triangle's provoking vertex index is equal to primitive id; this allows passing the vertex id to the fragment shader using nointerpolate attribute.
+ * The reorder table stores the original vertex id for each vertex in the new index buffer, and needs to be used in the vertex shader.
+ * This is important for performance of visibility buffer based renderers on hardware where primitive id can't be accessed efficiently in fragment shader.
+ * Returns the size of the reorder table.
+ * The function assumes provoking vertex is the first vertex in the triangle; if this is not the case, rotate ach triangle indices before using the resulting index buffer.
+ *
+ * destination must contain enough space for the resulting index buffer (index_count elements)
+ * reorder must contain enough space for the worst case reorder table (vertex_count + index_count/3 elements)
+ */
 MESHOPTIMIZER_EXPERIMENTAL size_t meshopt_generateProvokingIndexBuffer(unsigned int* destination, unsigned int* reorder, const unsigned int* indices, size_t index_count, size_t vertex_count);
 
 /**

From c1db74fc87931a19b89f5fd75cec0f60b919a42e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 27 Aug 2024 20:17:20 -0700
Subject: [PATCH 228/581] indexgenerator: Recommend optimizing for vcache
 before provoking vertex

This helps avoid the need for locality based reordering during the
function runtime; it's probably fine to skip this step in some cases,
but that can generate a little more vertices and the result might be
less efficient to render.
---
 src/meshoptimizer.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 6e92f708d3..b135d03e5e 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -145,7 +145,8 @@ MESHOPTIMIZER_API void meshopt_generateTessellationIndexBuffer(unsigned int* des
  * The reorder table stores the original vertex id for each vertex in the new index buffer, and needs to be used in the vertex shader.
  * This is important for performance of visibility buffer based renderers on hardware where primitive id can't be accessed efficiently in fragment shader.
  * Returns the size of the reorder table.
- * The function assumes provoking vertex is the first vertex in the triangle; if this is not the case, rotate ach triangle indices before using the resulting index buffer.
+ * The function assumes provoking vertex is the first vertex in the triangle; if this is not the case, rotate each triangle indices before using the resulting index buffer.
+ * For maximum efficiency the input index buffer should be optimized for vertex cache first.
  *
  * destination must contain enough space for the resulting index buffer (index_count elements)
  * reorder must contain enough space for the worst case reorder table (vertex_count + index_count/3 elements)

From 436e74d76d3c5872013eb17c6df875480f06d04e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 28 Aug 2024 10:15:50 -0700
Subject: [PATCH 229/581] indexgenerator: Use vertex valence to prioritize
 provoking vertex

Instead of just using any free vertex in a triangle to be the provoking
vertex, we now look at vertex valence and choose the free vertex with
minimum valence. This reduces the probability that a future triangle
will have all three vertices become used, which reduces the number of
extra vertices we end up creating (by about ~half on smooth meshes).
---
 src/indexgenerator.cpp | 53 ++++++++++++++++++++++++++++--------------
 1 file changed, 35 insertions(+), 18 deletions(-)

diff --git a/src/indexgenerator.cpp b/src/indexgenerator.cpp
index b15e9247ea..da5e95ca2a 100644
--- a/src/indexgenerator.cpp
+++ b/src/indexgenerator.cpp
@@ -589,32 +589,44 @@ size_t meshopt_generateProvokingIndexBuffer(unsigned int* destination, unsigned
 	unsigned int* remap = allocator.allocate<unsigned int>(vertex_count);
 	memset(remap, -1, vertex_count * sizeof(unsigned int));
 
+	// compute vertex valence; this is used to prioritize least used corner
+	unsigned int* valence = allocator.allocate<unsigned int>(vertex_count);
+	memset(valence, 0, vertex_count * sizeof(unsigned int));
+
+	for (size_t i = 0; i < index_count; ++i)
+	{
+		unsigned int index = indices[i];
+		assert(index < vertex_count);
+
+		valence[index]++;
+	}
+
 	unsigned int reorder_offset = 0;
 
-	// pass 1: assign provoking vertices
+	// assign provoking vertices; leave the rest for the next pass
 	for (size_t i = 0; i < index_count; i += 3)
 	{
 		unsigned int a = indices[i + 0], b = indices[i + 1], c = indices[i + 2];
 		assert(a < vertex_count && b < vertex_count && c < vertex_count);
 
-		// try to rotate such that a hasn't been seen before
-		// TODO: predict based on valence
-		if (remap[a] != ~0u)
+		// try to rotate triangle such that provoking vertex hasn't been seen before
+		// if multiple vertices are new, prioritize the one with least valence
+		// this reduces the risk that a future triangle will have all three vertices seen
+		unsigned int va = remap[a] == ~0u ? valence[a] : ~0u;
+		unsigned int vb = remap[b] == ~0u ? valence[b] : ~0u;
+		unsigned int vc = remap[c] == ~0u ? valence[c] : ~0u;
+
+		if (vb != ~0u && vb <= va && vb <= vc)
 		{
-			if (remap[b] == ~0u)
-			{
-				unsigned int t = a;
-				a = b;
-				b = c;
-				c = t;
-			}
-			else if (remap[c] == ~0u)
-			{
-				unsigned int t = c;
-				c = b;
-				b = a;
-				a = t;
-			}
+			// abc -> bca
+			unsigned int t = a;
+			a = b, b = c, c = t;
+		}
+		else if (vc != ~0u && vc <= va && vc <= vb)
+		{
+			// abc -> cab
+			unsigned int t = c;
+			c = b, b = a, a = t;
 		}
 
 		unsigned int newidx = reorder_offset;
@@ -640,6 +652,11 @@ size_t meshopt_generateProvokingIndexBuffer(unsigned int* destination, unsigned
 			destination[i + 1] = b;
 			destination[i + 2] = c;
 		}
+
+		// update vertex valences for corner heuristic
+		valence[a]--;
+		valence[b]--;
+		valence[c]--;
 	}
 
 	// pass 2: remap non-provoking vertices

From 013622fb53d3306c99f5549e56e07f09ea16c5cb Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 28 Aug 2024 10:23:45 -0700
Subject: [PATCH 230/581] indexgenerator: Add templated overload for
 meshopt_generateProvokingIndexBuffer

This is useful for signed indices as well as 16-bit indices, although
this comes with a caveat: an input 16-bit index buffer might not fit in
16 bits after the conversion if the provoking buffer size becomes larger than
64K.

This is avoidable if the caller checks the bounds, and 16-bit support
might still be beneficial. For extra safety we guard this with an
assertion.
---
 src/meshoptimizer.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index b135d03e5e..dddec4aa5b 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -666,6 +666,8 @@ inline void meshopt_generateAdjacencyIndexBuffer(T* destination, const T* indice
 template <typename T>
 inline void meshopt_generateTessellationIndexBuffer(T* destination, const T* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride);
 template <typename T>
+inline size_t meshopt_generateProvokingIndexBuffer(T* destination, unsigned int* reorder, const T* indices, size_t index_count, size_t vertex_count);
+template <typename T>
 inline void meshopt_optimizeVertexCache(T* destination, const T* indices, size_t index_count, size_t vertex_count);
 template <typename T>
 inline void meshopt_optimizeVertexCacheStrip(T* destination, const T* indices, size_t index_count, size_t vertex_count);
@@ -902,6 +904,19 @@ inline void meshopt_generateTessellationIndexBuffer(T* destination, const T* ind
 	meshopt_generateTessellationIndexBuffer(out.data, in.data, index_count, vertex_positions, vertex_count, vertex_positions_stride);
 }
 
+template <typename T>
+inline size_t meshopt_generateProvokingIndexBuffer(T* destination, unsigned int* reorder, const T* indices, size_t index_count, size_t vertex_count)
+{
+	meshopt_IndexAdapter<T> in(NULL, indices, index_count);
+	meshopt_IndexAdapter<T> out(destination, NULL, index_count);
+
+	size_t bound = vertex_count + (index_count / 3);
+	assert(size_t(T(bound - 1)) == bound - 1); // bound - 1 must fit in T
+	(void)bound;
+
+	return meshopt_generateProvokingIndexBuffer(out.data, reorder, in.data, index_count, vertex_count);
+}
+
 template <typename T>
 inline void meshopt_optimizeVertexCache(T* destination, const T* indices, size_t index_count, size_t vertex_count)
 {

From 4a2c9bc96def52d4633dd7010653c5a3fc21face Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 28 Aug 2024 10:42:43 -0700
Subject: [PATCH 231/581] indexgenerator: Clean up provoking remapping pass

When all three vertices are used we don't really care which one we take
to be the provoking one, as neither can be reused by future triangles
anyway.

This makes it possible to streamline the logic following the triangle
rotation, as we *must* map the provoking vertex to the new index
regardless of the case. Hopefully the comments make the flow reasonably
clear to the future reader.
---
 src/indexgenerator.cpp | 28 ++++++++++------------------
 1 file changed, 10 insertions(+), 18 deletions(-)

diff --git a/src/indexgenerator.cpp b/src/indexgenerator.cpp
index da5e95ca2a..a36f36eda0 100644
--- a/src/indexgenerator.cpp
+++ b/src/indexgenerator.cpp
@@ -631,27 +631,19 @@ size_t meshopt_generateProvokingIndexBuffer(unsigned int* destination, unsigned
 
 		unsigned int newidx = reorder_offset;
 
-		// now remap[a] = ~0u or all three verts are old
+		// now remap[a] = ~0u or all three vertices are old
+		// recording remap[a] makes it possible to remap future references to the same index, conserving space
 		if (remap[a] == ~0u)
-		{
 			remap[a] = newidx;
-			reorder[reorder_offset++] = a;
 
-			destination[i + 0] = newidx;
-			destination[i + 1] = b;
-			destination[i + 2] = c;
-		}
-		else
-		{
-			// all three verts are old; we need to clone one of them
-			// for now clone a
-			// TODO: predict based on valence if above isn't enough
-			reorder[reorder_offset++] = a;
-
-			destination[i + 0] = newidx;
-			destination[i + 1] = b;
-			destination[i + 2] = c;
-		}
+		// we need to clone the provoking vertex to get a unique index
+		// if all three are used the choice is arbitrary since no future triangle will be able to reuse any of these
+		reorder[reorder_offset++] = a;
+
+		// note: first vertex is final, the other two will be fixed up in next pass
+		destination[i + 0] = newidx;
+		destination[i + 1] = b;
+		destination[i + 2] = c;
 
 		// update vertex valences for corner heuristic
 		valence[a]--;

From ffbae1642fd5358780de889d48c7978f5d201357 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 28 Aug 2024 10:48:36 -0700
Subject: [PATCH 232/581] indexgenerator: Streamline non-provoking remap pass

Instead of manually handling two vertices during a remap, we can iterate
by skipping provoking vertices if we jump in steps 1/2/1/2.

This makes the code a little easier to change in the future if we need
to make the remapping logic more complicated.

Also change the remap logic to match other places in the library where
we update remap conditionally and then write the entry.
---
 src/indexgenerator.cpp | 35 ++++++++++++-----------------------
 1 file changed, 12 insertions(+), 23 deletions(-)

diff --git a/src/indexgenerator.cpp b/src/indexgenerator.cpp
index a36f36eda0..79f35e617c 100644
--- a/src/indexgenerator.cpp
+++ b/src/indexgenerator.cpp
@@ -580,8 +580,6 @@ void meshopt_generateTessellationIndexBuffer(unsigned int* destination, const un
 
 size_t meshopt_generateProvokingIndexBuffer(unsigned int* destination, unsigned int* reorder, const unsigned int* indices, size_t index_count, size_t vertex_count)
 {
-	using namespace meshopt;
-
 	assert(index_count % 3 == 0);
 
 	meshopt_Allocator allocator;
@@ -651,35 +649,26 @@ size_t meshopt_generateProvokingIndexBuffer(unsigned int* destination, unsigned
 		valence[c]--;
 	}
 
-	// pass 2: remap non-provoking vertices
-	for (size_t i = 0; i < index_count; i += 3)
+	// remap or clone non-provoking vertices (iterating to skip provoking vertices)
+	int step = 1;
+
+	for (size_t i = 1; i < index_count; i += step, step ^= 3)
 	{
-		unsigned int& rb = destination[i + 1];
-		unsigned int& rc = destination[i + 2];
+		unsigned int index = destination[i];
 
-		if (remap[rb] == ~0u)
+		if (remap[index] == ~0u)
 		{
+			// we haven't seen the vertex before as a provoking vertex
+			// to maintain the reference to the original vertex we need to clone it
 			unsigned int newidx = reorder_offset;
 
-			remap[rb] = newidx;
-			reorder[reorder_offset++] = rb;
-			rb = newidx;
+			remap[index] = newidx;
+			reorder[reorder_offset++] = index;
 		}
-		else
-			rb = remap[rb];
 
-		if (remap[rc] == ~0u)
-		{
-			unsigned int newidx = reorder_offset;
-
-			remap[rc] = newidx;
-			reorder[reorder_offset++] = rc;
-			rc = newidx;
-		}
-		else
-			rc = remap[rc];
+		destination[i] = remap[index];
 	}
 
-	assert(reorder_offset <= vertex_count + (index_count / 3));
+	assert(reorder_offset <= vertex_count + index_count / 3);
 	return reorder_offset;
 }

From 6543c205f4265e36d097e58912dab50451bdf948 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 28 Aug 2024 11:05:24 -0700
Subject: [PATCH 233/581] demo: Add a unit test for provoking vertex generation

This test is small and simple so the algorithm ends up not cloning any
more vertices than it strictly needs to, which can happen on more
complex meshes.
---
 demo/tests.cpp | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 9b9ae89f65..f07919f07a 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1476,6 +1476,42 @@ static void tessellation()
 	assert(memcmp(tessib, expected, sizeof(expected)) == 0);
 }
 
+static void provoking()
+{
+	// 0 1 2
+	// 3 4 5
+	const unsigned int ib[] = {
+	    0, 1, 3,
+	    3, 1, 4,
+	    1, 2, 4,
+	    4, 2, 5,
+	    0, 2, 4,
+	    // clang-format :-/
+	};
+
+	unsigned int pib[15];
+	unsigned int pre[6 + 5]; // limit is vertex count + triangle count
+	size_t res = meshopt_generateProvokingIndexBuffer(pib, pre, ib, 15, 6);
+
+	unsigned int expectedib[] = {
+	    0, 5, 1,
+	    1, 4, 0,
+	    2, 4, 1,
+	    3, 4, 2,
+	    4, 5, 2,
+	    // clang-format :-/
+	};
+
+	unsigned int expectedre[] = {
+	    3, 1, 2, 5, 4, 0,
+	    // clang-format :-/
+	};
+
+	assert(res == 6);
+	assert(memcmp(pib, expectedib, sizeof(expectedib)) == 0);
+	assert(memcmp(pre, expectedre, sizeof(expectedre)) == 0);
+}
+
 static void quantizeFloat()
 {
 	volatile float zero = 0.f; // avoids div-by-zero warnings
@@ -1640,6 +1676,7 @@ void runTests()
 
 	adjacency();
 	tessellation();
+	provoking();
 
 	quantizeFloat();
 	quantizeHalf();

From 889d2193cb21b12afbf6921b010487f17b22ebd7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 28 Aug 2024 11:28:21 -0700
Subject: [PATCH 234/581] demo: Add provoking vertex processing to the demo
 program

In addition to running the code, we validate that the generated data is
correct (by checking the provoking invariant and checking that the
reorder table recovers the same mesh) and also output the number of
"extra" vertices: given a non-redundant index/vertex buffer, the best
case output from the algorithm is max(vertices, triangles), but
depending on topology it may generate more.

The "extra" percentage may be thus misleading in some cases; for now we
explain that it may not be attainable in a comment, maybe we'll compute
a more precise lower bound in the future.
---
 demo/main.cpp | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/demo/main.cpp b/demo/main.cpp
index 96082a08d6..9ac6279356 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -1118,6 +1118,43 @@ void tessellationAdjacency(const Mesh& mesh)
 	printf("Adjacency: %d patches in %.2f msec\n", int(mesh.indices.size() / 3), (end - middle) * 1000);
 }
 
+void provoking(const Mesh& mesh)
+{
+	double start = timestamp();
+
+	// worst case number of vertices: vertex count + triangle count
+	std::vector<unsigned int> pib(mesh.indices.size());
+	std::vector<unsigned int> reorder(mesh.vertices.size() + mesh.indices.size() / 3);
+
+	size_t pcount = meshopt_generateProvokingIndexBuffer(&pib[0], &reorder[0], &mesh.indices[0], mesh.indices.size(), mesh.vertices.size());
+	reorder.resize(pcount);
+
+	double end = timestamp();
+
+	// validate invariant: pib[i] == i/3 for provoking vertices
+	for (size_t i = 0; i < mesh.indices.size(); i += 3)
+		assert(pib[i] == i / 3);
+
+	// validate invariant: reorder[pib[x]] == ib[x] modulo triangle rotation
+	// note: this is technically not promised by the interface (it may reorder triangles!), it just happens to hold right now
+	for (size_t i = 0; i < mesh.indices.size(); i += 3)
+	{
+		unsigned int a = mesh.indices[i + 0], b = mesh.indices[i + 1], c = mesh.indices[i + 2];
+		unsigned int ra = reorder[pib[i + 0]], rb = reorder[pib[i + 1]], rc = reorder[pib[i + 2]];
+
+		assert((a == ra && b == rb && c == rc) || (a == rb && b == rc && c == ra) || (a == rc && b == ra && c == rb));
+	}
+
+	// best case number of vertices: max(vertex count, triangle count), assuming non-redundant indexing (all vertices are used)
+	// note: this is a lower bound, and it's not theoretically possible on some meshes;
+	// for example, a union of a flat shaded cube (12t 24v) and a smooth shaded icosahedron (20t 12v) will have 36 vertices and 32 triangles
+	// however, the best case for that union is 44 vertices (24 cube vertices + 20 icosahedron vertices due to provoking invariant)
+	size_t bestv = mesh.vertices.size() > mesh.indices.size() / 3 ? mesh.vertices.size() : mesh.indices.size() / 3;
+
+	printf("Provoking: %d triangles / %d vertices (+%.1f%% extra) in %.2f msec\n",
+	    int(mesh.indices.size() / 3), int(pcount), double(pcount) / double(bestv) * 100.0 - 100.0, (end - start) * 1000);
+}
+
 bool loadMesh(Mesh& mesh, const char* path)
 {
 	double start = timestamp();
@@ -1270,6 +1307,7 @@ void process(const char* path)
 
 	shadow(copy);
 	tessellationAdjacency(copy);
+	provoking(copy);
 
 	encodeIndex(copy, ' ');
 	encodeIndex(copystrip, 'S');

From d9d34175c88b6ab8c3874a18d2d614e0a35556d0 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 28 Aug 2024 18:19:36 -0700
Subject: [PATCH 235/581] indexgenerator: Reword documentation for readability

These are mostly just wording tweaks, but we also point out that the
provoking vertex order issue is specific to OpenGL and the rotation
transform needed to fix it.
---
 src/meshoptimizer.h | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index dddec4aa5b..384b655830 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -140,12 +140,11 @@ MESHOPTIMIZER_API void meshopt_generateAdjacencyIndexBuffer(unsigned int* destin
 MESHOPTIMIZER_API void meshopt_generateTessellationIndexBuffer(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride);
 
 /**
- * Experimental: Generate index buffer that can be used for visibility buffer rendering
- * Each triangle's provoking vertex index is equal to primitive id; this allows passing the vertex id to the fragment shader using nointerpolate attribute.
- * The reorder table stores the original vertex id for each vertex in the new index buffer, and needs to be used in the vertex shader.
- * This is important for performance of visibility buffer based renderers on hardware where primitive id can't be accessed efficiently in fragment shader.
- * Returns the size of the reorder table.
- * The function assumes provoking vertex is the first vertex in the triangle; if this is not the case, rotate each triangle indices before using the resulting index buffer.
+ * Experimental: Generate index buffer that can be used for visibility buffer rendering and returns the size of the reorder table
+ * Each triangle's provoking vertex index is equal to primitive id; this allows passing it to the fragment shader using nointerpolate attribute.
+ * This is important for performance on hardware where primitive id can't be accessed efficiently in fragment shader.
+ * The reorder table stores the original vertex id for each vertex in the new index buffer, and should be used in the vertex shader to load vertex data.
+ * The provoking vertex is assumed to be the first vertex in the triangle; if this is not the case (OpenGL), rotate each triangle (abc -> bca) before rendering.
  * For maximum efficiency the input index buffer should be optimized for vertex cache first.
  *
  * destination must contain enough space for the resulting index buffer (index_count elements)

From c0c1074bda1df4808f242fe1a0969600a687136b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 29 Aug 2024 07:40:22 -0700
Subject: [PATCH 236/581] indexgenerator: Use 8-bit valence with wrap-around
 for performance

Valence initialization and use is a significant cost relative to the
rest of the work that happens during provoking index buffer generation.
We use a 32-bit buffer because that guarantees correct valence, but in
reality most meshes have valence that's less than 10, and even amid
outliers it's very rare to see a value that is 256 or more.

Moreover, since valence is only used for ordering heuristics, it is
completely safe to compute incorrect valences for outliers, and this
will only marginally affect the output. Using an 8-bit buffer here makes
provoking index buffer generation ~10% faster.

The same change with the same reasoning can be made to the stripifier;
while it's less valuable from the performance point of view, we make it
for consistency as the same logic applies.
---
 src/indexgenerator.cpp |  5 +++--
 src/stripifier.cpp     | 11 ++++++-----
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/indexgenerator.cpp b/src/indexgenerator.cpp
index 79f35e617c..0d53020e32 100644
--- a/src/indexgenerator.cpp
+++ b/src/indexgenerator.cpp
@@ -588,8 +588,9 @@ size_t meshopt_generateProvokingIndexBuffer(unsigned int* destination, unsigned
 	memset(remap, -1, vertex_count * sizeof(unsigned int));
 
 	// compute vertex valence; this is used to prioritize least used corner
-	unsigned int* valence = allocator.allocate<unsigned int>(vertex_count);
-	memset(valence, 0, vertex_count * sizeof(unsigned int));
+	// note: we use 8-bit counters for performance; for outlier vertices the valence is incorrect but that just affects the heuristic
+	unsigned char* valence = allocator.allocate<unsigned char>(vertex_count);
+	memset(valence, 0, vertex_count);
 
 	for (size_t i = 0; i < index_count; ++i)
 	{
diff --git a/src/stripifier.cpp b/src/stripifier.cpp
index d57fb512bf..4043195aeb 100644
--- a/src/stripifier.cpp
+++ b/src/stripifier.cpp
@@ -10,14 +10,14 @@
 namespace meshopt
 {
 
-static unsigned int findStripFirst(const unsigned int buffer[][3], unsigned int buffer_size, const unsigned int* valence)
+static unsigned int findStripFirst(const unsigned int buffer[][3], unsigned int buffer_size, const unsigned char* valence)
 {
 	unsigned int index = 0;
 	unsigned int iv = ~0u;
 
 	for (size_t i = 0; i < buffer_size; ++i)
 	{
-		unsigned int va = valence[buffer[i][0]], vb = valence[buffer[i][1]], vc = valence[buffer[i][2]];
+		unsigned char va = valence[buffer[i][0]], vb = valence[buffer[i][1]], vc = valence[buffer[i][2]];
 		unsigned int v = (va < vb && va < vc) ? va : (vb < vc ? vb : vc);
 
 		if (v < iv)
@@ -71,8 +71,9 @@ size_t meshopt_stripify(unsigned int* destination, const unsigned int* indices,
 	size_t strip_size = 0;
 
 	// compute vertex valence; this is used to prioritize starting triangle for strips
-	unsigned int* valence = allocator.allocate<unsigned int>(vertex_count);
-	memset(valence, 0, vertex_count * sizeof(unsigned int));
+	// note: we use 8-bit counters for performance; for outlier vertices the valence is incorrect but that just affects the heuristic
+	unsigned char* valence = allocator.allocate<unsigned char>(vertex_count);
+	memset(valence, 0, vertex_count);
 
 	for (size_t i = 0; i < index_count; ++i)
 	{
@@ -151,7 +152,7 @@ size_t meshopt_stripify(unsigned int* destination, const unsigned int* indices,
 		{
 			// if we didn't find anything, we need to find the next new triangle
 			// we use a heuristic to maximize the strip length
-			unsigned int i = findStripFirst(buffer, buffer_size, &valence[0]);
+			unsigned int i = findStripFirst(buffer, buffer_size, valence);
 			unsigned int a = buffer[i][0], b = buffer[i][1], c = buffer[i][2];
 
 			// ordered removal from the buffer

From 3dc0706c105e71259819ea48a9895f64ad10cd9b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 30 Aug 2024 11:09:48 -0700
Subject: [PATCH 237/581] Update simplification documentation to remove
 shadowIndexBuffer

While both the header comments and README recommented
meshopt_generateShadowIndexBuffer for pre-welding during simplification,
this guidance was incorrect: simplifying a shadow index buffer is
currently subject to some of the same restrictions as the main index
buffer because the classification is partially based on the contents of
the entire vertex buffer including unreferenced vertices.

This could change in the future, and can be worked around via
meshopt_SimplifySparse, but because it's not clear if this is even a
preferred route going forward, for now remove all incorrect suggestions
and keep meshopt_generateShadowIndexBuffer for its narrow use of
generating optimal index buffers for depth only rendering.
---
 README.md           | 2 +-
 src/meshoptimizer.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index fbcf1bbe60..2042a17352 100644
--- a/README.md
+++ b/README.md
@@ -269,7 +269,7 @@ All algorithms presented so far don't affect visual appearance at all, with the
 
 This library provides two simplification algorithms that reduce the number of triangles in the mesh. Given a vertex and an index buffer, they generate a second index buffer that uses existing vertices in the vertex buffer. This index buffer can be used directly for rendering with the original vertex buffer (preferably after vertex cache optimization), or a new compact vertex/index buffer can be generated using `meshopt_optimizeVertexFetch` that uses the optimal number and order of vertices.
 
-The first simplification algorithm, `meshopt_simplify`, follows the topology of the original mesh in an attempt to preserve attribute seams, borders and overall appearance. For meshes with inconsistent topology or many seams, such as faceted meshes, it can result in simplifier getting "stuck" and not being able to simplify the mesh fully. Therefore it's critical that identical vertices are "welded" together, that is, the input vertex buffer does not contain duplicates. Additionally, it may be possible to preprocess the index buffer (e.g. with `meshopt_generateShadowIndexBuffer`) to weld the vertices without taking into account vertex attributes that aren't critical and can be rebuilt later.
+The first simplification algorithm, `meshopt_simplify`, follows the topology of the original mesh in an attempt to preserve attribute seams, borders and overall appearance. For meshes with inconsistent topology or many seams, such as faceted meshes, it can result in simplifier getting "stuck" and not being able to simplify the mesh fully. Therefore it's critical that identical vertices are "welded" together, that is, the input vertex buffer does not contain duplicates. Additionally, it may be worthwhile to weld the vertices without taking into account vertex attributes that aren't critical and can be rebuilt later.
 
 ```c++
 float threshold = 0.2f;
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index f5667eb480..9205b74de1 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -342,7 +342,7 @@ enum
  * Mesh simplifier
  * Reduces the number of triangles in the mesh, attempting to preserve mesh appearance as much as possible
  * The algorithm tries to preserve mesh topology and can stop short of the target goal based on topology constraints or target error.
- * If not all attributes from the input mesh are required, it's recommended to reindex the mesh using meshopt_generateShadowIndexBuffer prior to simplification.
+ * If not all attributes from the input mesh are required, it's recommended to reindex the mesh without them prior to simplification.
  * Returns the number of indices after simplification, with destination containing new index data
  * The resulting index buffer references vertices from the original vertex buffer.
  * If the original vertex data isn't required, creating a compact vertex buffer using meshopt_optimizeVertexFetch is recommended.

From 888cfe9239aa0d06acb310a1acafd6b4fc66aada Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 30 Aug 2024 13:17:35 -0700
Subject: [PATCH 238/581] gltfpack: Sanitize floats before writing them to JSON

inf/nan are not valid in JSON syntax; while ideally we would not produce
these values in the first place, it would make sense to have a
last-resort check that outputs valid JSON regardless of the values.

For +-inf we clamp them to max float, preserving the sign; for NaNs we
choose to output max float for now since that value is still valid in
JSON but looks sufficiently weird that it's obvious something happened
during processing.
---
 gltf/json.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/gltf/json.cpp b/gltf/json.cpp
index 92062d0703..c46ef45a00 100644
--- a/gltf/json.cpp
+++ b/gltf/json.cpp
@@ -1,6 +1,8 @@
 // This file is part of gltfpack; see gltfpack.h for version/license details
 #include "gltfpack.h"
 
+#include <float.h>
+#include <math.h>
 #include <stdio.h>
 
 void comma(std::string& s)
@@ -20,8 +22,12 @@ void append(std::string& s, size_t v)
 
 void append(std::string& s, float v)
 {
+	// sanitize +-inf to +-FLT_MAX and NaN to FLT_MAX
+	// it would be more consistent to use null for NaN but that makes JSON invalid, and 0 makes it hard to distinguish from valid values
+	float sv = fabsf(v) < FLT_MAX ? v : (v < 0 ? -FLT_MAX : FLT_MAX);
+
 	char buf[64];
-	snprintf(buf, sizeof(buf), "%.9g", v);
+	snprintf(buf, sizeof(buf), "%.9g", sv);
 	s += buf;
 }
 

From 69e8c87a7f1b3f0d09bb72f0470f8b5d74201620 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 31 Aug 2024 19:58:29 -0700
Subject: [PATCH 239/581] Update README.md

Add documentation for all three algorithms that can be used to generate
special versions of an index buffer that are useful for very specific
rendering algorithms.

Note that meshopt_generateProvokingIndexBuffer is experimental; while we
typically avoid documenting APIs until they are stabilized, the
interface here is unlikely to change even if the implementation does.
---
 README.md | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/README.md b/README.md
index 2042a17352..b1ef7243a1 100644
--- a/README.md
+++ b/README.md
@@ -425,6 +425,53 @@ While the only way to get precise performance data is to measure performance on
 
 Note that all analyzers use approximate models for the relevant GPU units, so the numbers you will get as the result are only a rough approximation of the actual performance.
 
+## Specialized processing
+
+In addition to the core optimization techniques, the library provides several specialized algorithms for specific rendering techniques and pipeline optimizations that require a particular configuration of vertex and index data.
+
+### Geometry shader adjacency
+
+For algorithms that use geometry shaders and require adjacency information, this library can generate an index buffer with adjacency data:
+
+```c++
+std::vector<unsigned int> adjacency(indices.size() * 2);
+meshopt_generateAdjacencyIndexBuffer(&adjacency[0], &indices[0], indices.size(), &vertices[0].x, vertices.size(), sizeof(Vertex));
+```
+
+This creates an index buffer suitable for rendering with triangle-with-adjacency topology, providing 3 extra vertices per triangle that represent vertices opposite to each triangle's edge. This data can be used to compute silhouettes and perform other types of local geometric processing in geometry shaders. To render the mesh with adjacency data, the index buffer should be used with `D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST_ADJ`/`VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST_WITH_ADJACENCY`/`GL_TRIANGLES_ADJACENCY` topology.
+
+Note that the use of geometry shaders may have a performance impact on some GPUs; in some cases alternative implementation strategies may be more efficient.
+
+### Tessellation with displacement mapping
+
+For hardware tessellation with crack-free displacement mapping, this library can generate a special index buffer that supports PN-AEN tessellation:
+
+```c++
+std::vector<unsigned int> tess(indices.size() * 4);
+meshopt_generateTessellationIndexBuffer(&tess[0], &indices[0], indices.size(), &vertices[0].x, vertices.size(), sizeof(Vertex));
+```
+
+This generates a 12-vertex patch for each input triangle, allowing the use of hardware tessellation engines to implement PN-AEN and/or displacement mapping without cracks along UV seams or normal discontinuities. For implementing the corresponding shader code, please refer to the following papers: [Crack-Free Point-Normal Triangles using Adjacent Edge Normals](https://developer.download.nvidia.com/whitepapers/2010/PN-AEN-Triangles-Whitepaper.pdf), [Tessellation on Any Budget](https://www.nvidia.com/content/pdf/gdc2011/john_mcdonald.pdf) and [My Tessellation Has Cracks!](https://developer.download.nvidia.com/assets/gamedev/files/gdc12/GDC12_DUDASH_MyTessellationHasCracks.pdf).
+
+### Visibility buffers
+
+To render geometry into visibility buffers, access to primitive index in fragment shader is required. While it is possible to use `SV_PrimitiveID`/`gl_PrimitiveID` in the fragment shader, this can result in suboptimal performance on some GPUs (notably, AMD RDNA1 and all NVidia GPUs), and may not be supported on mobile or console hardware. Using mesh shaders to generate primitive IDs is efficient but requires hardware support that is not universally available. To work around these limitations, this library provides a way to generate a special index buffer that uses provoking vertex to encode primitive IDs:
+
+```c++
+std::vector<unsigned int> provoke(indices.size());
+std::vector<unsigned int> reorder(vertices.size() + indices.size() / 3);
+reorder.resize(meshopt_generateProvokingIndexBuffer(&provoke[0], &reorder[0], &indices[0], indices.size(), vertices.size()));
+```
+
+This generates a special index buffer along with a reorder table that satisfies two constraints:
+
+- `provoke[3 * tri] == tri`
+- `reorder[provoke[x]]` refers to the original triangle vertices
+
+To render the mesh with provoking vertex data, the application should use a vertex shader that passes vertex index (`SV_VertexID`/`gl_VertexIndex`) via a `flat`/`nointerpolation` attribute to the fragment shader as a primitive index, and loads vertex data manually by computing the real vertex index based on `reorder` table (`reorder[gl_VertexIndex]`). For more details please refer to [Variable Rate Shading with Visibility Buffer Rendering](https://advances.realtimerendering.com/s2024/content/Hable/Advances_SIGGRAPH_2024_VisibilityVRS-SIGGRAPH_Advances_2024.pptx); naturally, this technique does not require VRS.
+
+Note: This assumes the provoking vertex is the first vertex of a triangle, which is true for all graphics APIs except OpenGL/WebGL. For OpenGL/WebGL, you may need to rotate each triangle (abc -> bca) in the resulting index buffer, or use the `glProvokingVertex` function (OpenGL 3.2+) or `WEBGL_provoking_vertex` extension (WebGL2) to change the provoking vertex convention. For WebGL2, this is highly recommended to avoid a variety of emulation slowdowns that happen by default if `flat` attributes are used, such as an implicit use of geometry shaders.
+
 ## Memory management
 
 Many algorithms allocate temporary memory to store intermediate results or accelerate processing. The amount of memory allocated is a function of various input parameters such as vertex count and index count. By default memory is allocated using `operator new` and `operator delete`; if these operators are overloaded by the application, the overloads will be used instead. Alternatively it's possible to specify custom allocation/deallocation functions using `meshopt_setAllocator`, e.g.

From 13b52ce0cfa840b101d7a0b1c3021152dca6ea3e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 31 Aug 2024 20:01:08 -0700
Subject: [PATCH 240/581] Update README.md

Not sure if this is obvious but clarify that provoke acts as an index
buffer for visibility buffer rendering.
---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index b1ef7243a1..88b4cf2fd4 100644
--- a/README.md
+++ b/README.md
@@ -468,7 +468,7 @@ This generates a special index buffer along with a reorder table that satisfies
 - `provoke[3 * tri] == tri`
 - `reorder[provoke[x]]` refers to the original triangle vertices
 
-To render the mesh with provoking vertex data, the application should use a vertex shader that passes vertex index (`SV_VertexID`/`gl_VertexIndex`) via a `flat`/`nointerpolation` attribute to the fragment shader as a primitive index, and loads vertex data manually by computing the real vertex index based on `reorder` table (`reorder[gl_VertexIndex]`). For more details please refer to [Variable Rate Shading with Visibility Buffer Rendering](https://advances.realtimerendering.com/s2024/content/Hable/Advances_SIGGRAPH_2024_VisibilityVRS-SIGGRAPH_Advances_2024.pptx); naturally, this technique does not require VRS.
+To render the mesh with provoking vertex data, the application should use `provoke` as an index buffer and a vertex shader that passes vertex index (`SV_VertexID`/`gl_VertexIndex`) via a `flat`/`nointerpolation` attribute to the fragment shader as a primitive index, and loads vertex data manually by computing the real vertex index based on `reorder` table (`reorder[gl_VertexIndex]`). For more details please refer to [Variable Rate Shading with Visibility Buffer Rendering](https://advances.realtimerendering.com/s2024/content/Hable/Advances_SIGGRAPH_2024_VisibilityVRS-SIGGRAPH_Advances_2024.pptx); naturally, this technique does not require VRS.
 
 Note: This assumes the provoking vertex is the first vertex of a triangle, which is true for all graphics APIs except OpenGL/WebGL. For OpenGL/WebGL, you may need to rotate each triangle (abc -> bca) in the resulting index buffer, or use the `glProvokingVertex` function (OpenGL 3.2+) or `WEBGL_provoking_vertex` extension (WebGL2) to change the provoking vertex convention. For WebGL2, this is highly recommended to avoid a variety of emulation slowdowns that happen by default if `flat` attributes are used, such as an implicit use of geometry shaders.
 

From df3a6b068a8989501dd55435a9fb44cf8cdc766b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 31 Aug 2024 20:10:01 -0700
Subject: [PATCH 241/581] Update README.md

Clarify the layout for the tessellation patches as well as the intended
use. Also drop 11 from the D3D enums for D3D12 compatibility.
---
 README.md | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 88b4cf2fd4..76d8194814 100644
--- a/README.md
+++ b/README.md
@@ -438,7 +438,7 @@ std::vector<unsigned int> adjacency(indices.size() * 2);
 meshopt_generateAdjacencyIndexBuffer(&adjacency[0], &indices[0], indices.size(), &vertices[0].x, vertices.size(), sizeof(Vertex));
 ```
 
-This creates an index buffer suitable for rendering with triangle-with-adjacency topology, providing 3 extra vertices per triangle that represent vertices opposite to each triangle's edge. This data can be used to compute silhouettes and perform other types of local geometric processing in geometry shaders. To render the mesh with adjacency data, the index buffer should be used with `D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST_ADJ`/`VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST_WITH_ADJACENCY`/`GL_TRIANGLES_ADJACENCY` topology.
+This creates an index buffer suitable for rendering with triangle-with-adjacency topology, providing 3 extra vertices per triangle that represent vertices opposite to each triangle's edge. This data can be used to compute silhouettes and perform other types of local geometric processing in geometry shaders. To render the mesh with adjacency data, the index buffer should be used with `D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST_ADJ`/`VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST_WITH_ADJACENCY`/`GL_TRIANGLES_ADJACENCY` topology.
 
 Note that the use of geometry shaders may have a performance impact on some GPUs; in some cases alternative implementation strategies may be more efficient.
 
@@ -451,7 +451,15 @@ std::vector<unsigned int> tess(indices.size() * 4);
 meshopt_generateTessellationIndexBuffer(&tess[0], &indices[0], indices.size(), &vertices[0].x, vertices.size(), sizeof(Vertex));
 ```
 
-This generates a 12-vertex patch for each input triangle, allowing the use of hardware tessellation engines to implement PN-AEN and/or displacement mapping without cracks along UV seams or normal discontinuities. For implementing the corresponding shader code, please refer to the following papers: [Crack-Free Point-Normal Triangles using Adjacent Edge Normals](https://developer.download.nvidia.com/whitepapers/2010/PN-AEN-Triangles-Whitepaper.pdf), [Tessellation on Any Budget](https://www.nvidia.com/content/pdf/gdc2011/john_mcdonald.pdf) and [My Tessellation Has Cracks!](https://developer.download.nvidia.com/assets/gamedev/files/gdc12/GDC12_DUDASH_MyTessellationHasCracks.pdf).
+This generates a 12-vertex patch for each input triangle with the following layout:
+
+- 0, 1, 2: original triangle vertices
+- 3, 4: opposing edge for edge 0, 1
+- 5, 6: opposing edge for edge 1, 2
+- 7, 8: opposing edge for edge 2, 0
+- 9, 10, 11: dominant vertices for corners 0, 1, 2
+
+This allows the use of hardware tessellation to implement PN-AEN and/or displacement mapping without cracks along UV seams or normal discontinuities. To render the mesh, the index buffer should be used with `D3D_PRIMITIVE_TOPOLOGY_12_CONTROL_POINT_PATCHLIST`/`VK_PRIMITIVE_TOPOLOGY_PATCH_LIST` (`patchControlPoints=12`) topology. For more details please refer to the following papers: [Crack-Free Point-Normal Triangles using Adjacent Edge Normals](https://developer.download.nvidia.com/whitepapers/2010/PN-AEN-Triangles-Whitepaper.pdf), [Tessellation on Any Budget](https://www.nvidia.com/content/pdf/gdc2011/john_mcdonald.pdf) and [My Tessellation Has Cracks!](https://developer.download.nvidia.com/assets/gamedev/files/gdc12/GDC12_DUDASH_MyTessellationHasCracks.pdf).
 
 ### Visibility buffers
 

From 1f6137f3beb627eec18a8db06ff4844af0d3afbc Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 31 Aug 2024 20:52:10 -0700
Subject: [PATCH 242/581] Enhance gltfpack testing coverage further

We are still missing coverage for some important paths (such as ID
attribute processing) due to lack of relevant assets, and for some less
important paths (such as command line option compatibility), but this
should cover a few more cases that are good to test.
---
 .github/workflows/build.yml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index becaf6b064..a9e0f74221 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -162,13 +162,18 @@ jobs:
         ./gltfpack -test demo/pirate.obj -si 0.5
         ./gltfpack -test demo/pirate.obj -si 0.1 -sv -sa
         ./gltfpack -test demo/pirate.obj -sd 0.5 -md 64
+        ./gltfpack -test demo/pirate.obj -noq
+        ./gltfpack -test demo/pirate.obj -vp 16 -vt 16 -vn 16 -vc 16
         ./gltfpack -test glTF-Sample-Assets/Models/ABeautifulGame/glTF/ABeautifulGame.gltf -mi -c
         ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -vpf -vtf -c
         ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -vpf -vtf -cc
         ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc
-        ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -tq color 10
+        ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -tq color 10 -tu normal,attrib
+        ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tr
+        ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -ts 0.5 -tl 64
         ./gltfpack -test glTF-Sample-Assets/Models/CesiumMan/glTF/CesiumMan.gltf -tu -ts 0.6 -tp
         ./gltfpack -test glTF-Sample-Assets/Models/PrimitiveModeNormalsTest/glTF/PrimitiveModeNormalsTest.gltf -si 0.5
+        ./gltfpack -test glTF-Sample-Assets/Models/VertexColorTest/glTF/VertexColorTest.gltf -si 0.5 -sv
         ./gltfpack -test glTF-Sample-Assets/Models/SimpleMeshes/glTF/SimpleMeshes.gltf -mm
     - name: test output
       run: |

From 8f595f509c7507650f3207e276f897cf2c702ac5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 1 Sep 2024 09:36:35 -0700
Subject: [PATCH 243/581] Update README.md

Add a note about binary equivalence and quantization during reindexing.
---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 76d8194814..aa8350b99c 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,8 @@ meshopt_remapVertexBuffer(vertices, &unindexed_vertices[0], unindexed_vertex_cou
 
 You can then further optimize the resulting buffers by calling the other functions on them in-place.
 
+`meshopt_generateVertexRemap` uses binary equivalence of vertex data, which is generally a reasonable default; however, in some cases some attributes may have floating point drift causing extra vertices to be generated. For such cases, it may be necessary to quantize some attributes (most importantly, normals and tangents) before generating the remap, or use a custom weld algorithm that supports per-attribute tolerance instead.
+
 ## Vertex cache optimization
 
 When the GPU renders the mesh, it has to run the vertex shader for each vertex; usually GPUs have a built-in fixed size cache that stores the transformed vertices (the result of running the vertex shader), and uses this cache to reduce the number of vertex shader invocations. This cache is usually small, 16-32 vertices, and can have different replacement policies; to use this cache efficiently, you have to reorder your triangles to maximize the locality of reused vertex references like so:

From aff86827395e89ae76719c2571a33da5e08a2979 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 2 Sep 2024 09:55:13 -0700
Subject: [PATCH 244/581] gltfpack: Use quantized normal/tangents for
 reindexing by default

While reindexing full precision streams is usually sufficient to get a
good non-redundant index buffer, some meshes go through export or
processing pipelines that introduce imprecision in individual normals
or tangents, creating artificial seams. This increases the storage size
and decreases rendering efficiency, in addition to creating issues for
simplification.

This can be solved with a tolerance-based weld pass, but for now we can
simply use quantized normals/tangents during reindexing. Note that this
by itself does not reduce precision of individual vertices, so in theory
we can be *more* aggressive here with quantization bits - for now we
always use 8 bits which should not cause issues even if the requested
normal bits is 16.
---
 gltf/gltfpack.cpp |  2 +-
 gltf/gltfpack.h   |  2 +-
 gltf/mesh.cpp     | 57 +++++++++++++++++++++++++++++++++++++++--------
 3 files changed, 50 insertions(+), 11 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 3ec5f4c00b..631095a34f 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -393,7 +393,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		{
 			Mesh kinds = {};
 			Mesh loops = {};
-			debugSimplify(mesh, kinds, loops, settings.simplify_debug, settings.simplify_error, settings.simplify_attributes);
+			debugSimplify(mesh, kinds, loops, settings.simplify_debug, settings.simplify_error, settings.simplify_attributes, settings.quantize && !settings.nrm_float);
 			debug_meshes.push_back(kinds);
 			debug_meshes.push_back(loops);
 		}
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 0249d265df..cd79427743 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -307,7 +307,7 @@ cgltf_data* parseGlb(const void* buffer, size_t size, std::vector<Mesh>& meshes,
 void processAnimation(Animation& animation, const Settings& settings);
 void processMesh(Mesh& mesh, const Settings& settings);
 
-void debugSimplify(const Mesh& mesh, Mesh& kinds, Mesh& loops, float ratio, float error, bool attributes);
+void debugSimplify(const Mesh& mesh, Mesh& kinds, Mesh& loops, float ratio, float error, bool attributes, bool quantize_tbn);
 void debugMeshlets(const Mesh& mesh, Mesh& meshlets, int max_vertices, bool scan);
 
 bool compareMeshTargets(const Mesh& lhs, const Mesh& rhs);
diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index dc2a18c136..0113f94eb6 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -4,6 +4,7 @@
 #include <algorithm>
 
 #include <math.h>
+#include <stdint.h>
 #include <string.h>
 
 #include "../src/meshoptimizer.h"
@@ -458,21 +459,59 @@ void filterStreams(Mesh& mesh, const MaterialInfo& mi)
 	mesh.streams.resize(write);
 }
 
-static void reindexMesh(Mesh& mesh)
+struct QuantizedTBN
+{
+	int8_t nx, ny, nz, nw;
+	int8_t tx, ty, tz, tw;
+};
+
+static void quantizeTBN(QuantizedTBN* target, size_t offset, const Attr* source, size_t size, int bits)
+{
+	int8_t* target8 = reinterpret_cast<int8_t*>(target) + offset;
+
+	for (size_t i = 0; i < size; ++i)
+	{
+		target8[i * sizeof(QuantizedTBN) + 0] = int8_t(meshopt_quantizeSnorm(source[i].f[0], bits));
+		target8[i * sizeof(QuantizedTBN) + 1] = int8_t(meshopt_quantizeSnorm(source[i].f[1], bits));
+		target8[i * sizeof(QuantizedTBN) + 2] = int8_t(meshopt_quantizeSnorm(source[i].f[2], bits));
+		target8[i * sizeof(QuantizedTBN) + 3] = int8_t(meshopt_quantizeSnorm(source[i].f[3], bits));
+	}
+}
+
+static void reindexMesh(Mesh& mesh, bool quantize_tbn)
 {
 	size_t total_vertices = mesh.streams[0].data.size();
 	size_t total_indices = mesh.indices.size();
 
+	std::vector<QuantizedTBN> qtbn;
+
 	std::vector<meshopt_Stream> streams;
 	for (size_t i = 0; i < mesh.streams.size(); ++i)
 	{
-		if (mesh.streams[i].target)
+		const Stream& attr = mesh.streams[i];
+		if (attr.target)
 			continue;
 
-		assert(mesh.streams[i].data.size() == total_vertices);
+		assert(attr.data.size() == total_vertices);
+
+		if (quantize_tbn && (attr.type == cgltf_attribute_type_normal || attr.type == cgltf_attribute_type_tangent))
+		{
+			if (qtbn.empty())
+			{
+				qtbn.resize(total_vertices);
+
+				meshopt_Stream stream = {&qtbn[0], sizeof(QuantizedTBN), sizeof(QuantizedTBN)};
+				streams.push_back(stream);
+			}
 
-		meshopt_Stream stream = {&mesh.streams[i].data[0], sizeof(Attr), sizeof(Attr)};
-		streams.push_back(stream);
+			size_t offset = attr.type == cgltf_attribute_type_normal ? offsetof(QuantizedTBN, nx) : offsetof(QuantizedTBN, tx);
+			quantizeTBN(&qtbn[0], offset, &attr.data[0], total_vertices, /* bits= */ 8);
+		}
+		else
+		{
+			meshopt_Stream stream = {&attr.data[0], sizeof(Attr), sizeof(Attr)};
+			streams.push_back(stream);
+		}
 	}
 
 	if (streams.empty())
@@ -823,7 +862,7 @@ void processMesh(Mesh& mesh, const Settings& settings)
 
 	case cgltf_primitive_type_triangles:
 		filterBones(mesh);
-		reindexMesh(mesh);
+		reindexMesh(mesh, settings.quantize && !settings.nrm_float);
 		filterTriangles(mesh);
 		if (settings.simplify_ratio < 1)
 			simplifyMesh(mesh, settings.simplify_ratio, settings.simplify_error, settings.simplify_attributes, settings.simplify_aggressive, settings.simplify_lock_borders);
@@ -836,7 +875,7 @@ void processMesh(Mesh& mesh, const Settings& settings)
 }
 
 #ifndef NDEBUG
-void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio, float error, bool attributes)
+void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio, float error, bool attributes, bool quantize_tbn)
 {
 	Mesh mesh = source;
 	assert(mesh.type == cgltf_primitive_type_triangles);
@@ -844,7 +883,7 @@ void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio, fl
 	// note: it's important to follow the same pipeline as processMesh
 	// otherwise the result won't match
 	filterBones(mesh);
-	reindexMesh(mesh);
+	reindexMesh(mesh, quantize_tbn);
 	filterTriangles(mesh);
 
 	size_t vertex_count = mesh.streams[0].data.size();
@@ -918,7 +957,7 @@ void debugMeshlets(const Mesh& source, Mesh& meshlets, int max_vertices, bool sc
 	Mesh mesh = source;
 	assert(mesh.type == cgltf_primitive_type_triangles);
 
-	reindexMesh(mesh);
+	reindexMesh(mesh, /* quantize_tbn= */ true);
 
 	if (scan)
 		optimizeMesh(mesh, false);

From 560268234f73214cc7ffbc58396ce9cbfa2194b5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 2 Sep 2024 19:06:13 -0700
Subject: [PATCH 245/581] simplify: Adjust meshopt_simplifyPoints color errors
 to be more uniform

Since the error for points is pos + color_weight * col, it is hard to
tweak color weight to be scale-independent. We had a similar issue in
the edge collapse metric, but here the issue is complicated by the fact
that it's incorrect to compute errors as pos * (1 + col), since multiple
points can have the same position but the color delta must be used for
picking the right replacement.

As a compromise, we scale the color weight by the grid scale; since the
maximum position error along any axis is the grid scale, this makes the
errors compatible, and makes it easier to tweak the weight: similarly to
edge collapse, a weight of 1 is a good default; at a weight of 1 a
distance of 1 in color is equivalent to a worst case positional delta,
so a point like this will only be selected if there is no closer option.
---
 src/simplifier.cpp | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index e0094843e5..10839173fe 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1045,11 +1045,11 @@ static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const
 #if TRACE >= 2
 		if (i0 == j0) // c.bidi has been overwritten
 			printf("edge eval %d -> %d: error %f (pos %f, attr %f)\n", c.v0, c.v1,
-				sqrtf(c.error), sqrtf(ei <= ej ? di : dj), sqrtf(ei <= ej ? ei - di : ej - dj));
+			    sqrtf(c.error), sqrtf(ei <= ej ? di : dj), sqrtf(ei <= ej ? ei - di : ej - dj));
 		else
 			printf("edge eval %d -> %d: error %f (pos %f, attr %f); reverse %f (pos %f, attr %f)\n", c.v0, c.v1,
-				sqrtf(ei <= ej ? ei : ej), sqrtf(ei <= ej ? di : dj), sqrtf(ei <= ej ? ei - di : ej - dj),
-				sqrtf(ei <= ej ? ej : ei), sqrtf(ei <= ej ? dj : di), sqrtf(ei <= ej ? ej - dj : ei - di));
+			    sqrtf(ei <= ej ? ei : ej), sqrtf(ei <= ej ? di : dj), sqrtf(ei <= ej ? ei - di : ej - dj),
+			    sqrtf(ei <= ej ? ej : ei), sqrtf(ei <= ej ? dj : di), sqrtf(ei <= ej ? ej - dj : ei - di));
 #endif
 	}
 }
@@ -2017,7 +2017,10 @@ size_t meshopt_simplifyPoints(unsigned int* destination, const float* vertex_pos
 	unsigned int* cell_remap = allocator.allocate<unsigned int>(cell_count);
 	float* cell_errors = allocator.allocate<float>(cell_count);
 
-	fillCellRemap(cell_remap, cell_errors, cell_count, vertex_cells, cell_reservoirs, vertex_positions, vertex_colors, vertex_colors_stride, color_weight * color_weight, vertex_count);
+	// we scale the color weight to bring it to the same scale as position so that error addition makes sense
+	float color_weight_scaled = color_weight * (min_grid == 1 ? 1.f : 1.f / (min_grid - 1));
+
+	fillCellRemap(cell_remap, cell_errors, cell_count, vertex_cells, cell_reservoirs, vertex_positions, vertex_colors, vertex_colors_stride, color_weight_scaled * color_weight_scaled, vertex_count);
 
 	// copy results to the output
 	assert(cell_count <= target_vertex_count);

From b4c33a9aa0cc918d539f8e338f03d9a5b715299e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 2 Sep 2024 19:16:16 -0700
Subject: [PATCH 246/581] simplify: Update header documentation to account for
 weight changes

For meshopt_simplifyWithAttributes, the weights depend on the attribute
type so it is probably best to leave the guidance to the documentation.

For meshopt_simplifyPoints, we can just suggest 1.0.
---
 src/meshoptimizer.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index b64b54abb0..89a3a33424 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -374,7 +374,7 @@ MESHOPTIMIZER_API size_t meshopt_simplify(unsigned int* destination, const unsig
  * Note that the number of attributes affects memory requirements and running time; this algorithm requires ~1.5x more memory and time compared to meshopt_simplify when using 4 scalar attributes.
  *
  * vertex_attributes should have attribute_count floats for each vertex
- * attribute_weights should have attribute_count floats in total; the weights determine relative priority of attributes between each other and wrt position. The recommended weight range is [1e-3..1e-1], assuming attribute data is in [0..1] range.
+ * attribute_weights should have attribute_count floats in total; the weights determine relative priority of attributes between each other and wrt position
  * attribute_count must be <= 32
  * vertex_lock can be NULL; when it's not NULL, it should have a value for each vertex; 1 denotes vertices that can't be moved
  */
@@ -405,6 +405,7 @@ MESHOPTIMIZER_EXPERIMENTAL size_t meshopt_simplifySloppy(unsigned int* destinati
  * destination must contain enough space for the target index buffer (target_vertex_count elements)
  * vertex_positions should have float3 position in the first 12 bytes of each vertex
  * vertex_colors should can be NULL; when it's not NULL, it should have float3 color in the first 12 bytes of each vertex
+ * color_weight determines relative priority of color wrt position; 1.0 is a safe default
  */
 MESHOPTIMIZER_EXPERIMENTAL size_t meshopt_simplifyPoints(unsigned int* destination, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride, const float* vertex_colors, size_t vertex_colors_stride, float color_weight, size_t target_vertex_count);
 

From 9afce1f59102df0b0f078bcdf3c77bc1709ae1e8 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 2 Sep 2024 19:44:08 -0700
Subject: [PATCH 247/581] Update README.md

Add a short section on point cloud simplification for completeness.
---
 README.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/README.md b/README.md
index aa8350b99c..6c67a5c90e 100644
--- a/README.md
+++ b/README.md
@@ -334,6 +334,19 @@ When using `meshopt_simplifyWithAttributes`, it is also possible to lock certain
 
 Simplification currently assumes that the input mesh is using the same material for all triangles. If the mesh uses multiple materials, it is possible to split the mesh into subsets based on the material and simplify each subset independently, using `meshopt_SimplifyLockBorder` or `vertex_lock` to preserve material boundaries; however, this limits the collapses and as a result may reduce the resulting quality. An alternative approach is to encode information about the material into the vertex buffer, ensuring that all three vertices referencing the same triangle have the same material ID; this may require duplicating vertices on the boundary between materials. After this, simplification can be performed as usual, and after simplification per-triangle material information can be computed from the vertex material IDs. There is no need to inform the simplifier of the value of the material ID: the implicit boundaries created by duplicating vertices with conflicting material IDs will be preserved automatically.
 
+## Point cloud simplification
+
+In addition to triangle mesh simplification, this library provides a function to simplify point clouds. The algorithm reduces the point cloud to a specified number of points while preserving the overall appearance, and can optionally take per-point colors into account:
+
+```c++
+const float color_weight = 1;
+std::vector<unsigned int> indices(target_count);
+indices.resize(meshopt_simplifyPoints(&indices[0], &points[0].x, points.size(), sizeof(Point),
+    &points[0].r, sizeof(Point), color_weight, target_count));
+```
+
+The resulting indices can be used to render the simplified point cloud; to reduce the memory footprint, the point cloud can be reindexed to create an array of points from the indices.
+
 ## Mesh shading
 
 Modern GPUs are beginning to deviate from the traditional rasterization model. NVidia GPUs starting from Turing and AMD GPUs starting from RDNA2 provide a new programmable geometry pipeline that, instead of being built around index buffers and vertex shaders, is built around mesh shaders - a new shader type that allows to provide a batch of work to the rasterizer.

From f1141fc678be617b46fd58f0a9e319b8fc2908f5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 2 Sep 2024 19:11:51 -0700
Subject: [PATCH 248/581] gltfpack: Adjust simplifyPointMesh color weight to 1

This makes the weights between point and triangle meshes match, and is
necessary to adjust to the difference in the error treatment.
---
 gltf/mesh.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 0113f94eb6..10fea92d1e 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -801,7 +801,7 @@ static void simplifyPointMesh(Mesh& mesh, float threshold)
 
 	size_t target_vertex_count = size_t(double(vertex_count) * threshold);
 
-	const float color_weight = 1e-2f;
+	const float color_weight = 1;
 
 	std::vector<unsigned int> indices(target_vertex_count);
 	if (target_vertex_count)

From ae901d1ff22c5e58211a2a9c96f77757c93d7d6b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 2 Sep 2024 21:22:13 -0700
Subject: [PATCH 249/581] demo: Disable attribute weights UI when attributes
 aren't used

This prevents confusion since these sliders change values that are only
used when useAttributes is checked.
---
 demo/simplify.html | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index 2a69b9fbaa..2a345752d4 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -109,10 +109,12 @@
 			guiSimplify.add(settings, 'lockBorder').onChange(simplify);
 			guiSimplify.add(settings, 'weldVertices').onChange(simplify);
 			guiSimplify.add(settings, 'errorThresholdLog10', 0, 3, 0.1).onChange(simplify);
-			guiSimplify.add(settings, 'useAttributes').onChange(simplify);
-			guiSimplify.add(settings, 'normalWeight', 0, 2, 0.01).onChange(simplify);
-			guiSimplify.add(settings, 'colorWeight', 0, 2, 0.01).onChange(simplify);
-			guiSimplify.add(settings, 'textureWeight', 0, 100, 0.1).onChange(simplify);
+			guiSimplify.add(settings, 'useAttributes').onChange(simplify).onFinishChange(updateSettings);
+
+			var guiAttributes = [];
+			guiAttributes.push(guiSimplify.add(settings, 'normalWeight', 0, 2, 0.01).onChange(simplify));
+			guiAttributes.push(guiSimplify.add(settings, 'colorWeight', 0, 2, 0.01).onChange(simplify));
+			guiAttributes.push(guiSimplify.add(settings, 'textureWeight', 0, 100, 0.1).onChange(simplify));
 
 			var guiLoad = gui.addFolder('Load');
 			guiLoad.add(settings, 'loadFile');
@@ -125,10 +127,17 @@
 			guiStats.add(settings.stats, 'vertices').listen();
 			guiStats.add(settings.stats, 'error').listen();
 
+			updateSettings();
 			init();
 			load('pirate.glb');
 			animate();
 
+			function updateSettings() {
+				for (var i = 0; i < guiAttributes.length; ++i) {
+					guiAttributes[i].enable(settings.useAttributes);
+				}
+			}
+
 			function simplifyMesh(geo) {
 				if (settings.weldVertices) {
 					// pre-welding is important for some meshes that have very close normals in adjacent face corners

From 89ab317a96734460c0482c4ca41537611692e7e2 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 3 Sep 2024 11:33:12 -0700
Subject: [PATCH 250/581] Revert "demo: Rework .obj reindexing to use
 fastObjIndex data"

This reverts commit d643b0b44f9ac16f8177e0f01fa65955e486010e.

This code was originally written for gltfpack; while it does indeed run
faster due to a partial reuse of .obj indexing data, it runs into
problems on many real world .obj files where the vertex data is
redundant inside the file, and the resulting index is suboptimal.

This is not an issue for gltfpack because it performs mesh reindexing as
part of mesh processing pipeline, but here that step is absent.
---
 demo/main.cpp | 84 +++++++++++++++++++++++++--------------------------
 1 file changed, 42 insertions(+), 42 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 9ac6279356..0507ea9135 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -76,66 +76,66 @@ Mesh parseObj(const char* path, double& reindex)
 		return Mesh();
 	}
 
-	reindex = timestamp();
-
 	size_t total_indices = 0;
 
 	for (unsigned int i = 0; i < obj->face_count; ++i)
 		total_indices += 3 * (obj->face_vertices[i] - 2);
 
-	size_t face_vertex_count = obj->index_count;
-
-	std::vector<unsigned int> remap(face_vertex_count);
-	size_t unique_vertices = meshopt_generateVertexRemap(&remap[0], NULL, face_vertex_count, obj->indices, face_vertex_count, sizeof(fastObjIndex));
-
-	Mesh mesh;
-	mesh.vertices.resize(unique_vertices);
-	mesh.indices.resize(total_indices);
-
-	for (unsigned int vi = 0; vi < face_vertex_count; ++vi)
-	{
-		unsigned int target = remap[vi];
-		// TODO: this fills every target vertex multiple times
-
-		fastObjIndex ii = obj->indices[vi];
-
-		Vertex v = {
-		    obj->positions[ii.p * 3 + 0],
-		    obj->positions[ii.p * 3 + 1],
-		    obj->positions[ii.p * 3 + 2],
-		    obj->normals[ii.n * 3 + 0],
-		    obj->normals[ii.n * 3 + 1],
-		    obj->normals[ii.n * 3 + 2],
-		    obj->texcoords[ii.t * 2 + 0],
-		    obj->texcoords[ii.t * 2 + 1],
-		};
-
-		mesh.vertices[target] = v;
-	}
+	std::vector<Vertex> vertices(total_indices);
 
 	size_t vertex_offset = 0;
 	size_t index_offset = 0;
 
-	for (unsigned int fi = 0; fi < obj->face_count; ++fi)
+	for (unsigned int i = 0; i < obj->face_count; ++i)
 	{
-		unsigned int face_vertices = obj->face_vertices[fi];
-
-		for (unsigned int vi = 2; vi < face_vertices; ++vi)
+		for (unsigned int j = 0; j < obj->face_vertices[i]; ++j)
 		{
-			size_t to = index_offset + (vi - 2) * 3;
+			fastObjIndex gi = obj->indices[index_offset + j];
 
-			mesh.indices[to + 0] = remap[vertex_offset];
-			mesh.indices[to + 1] = remap[vertex_offset + vi - 1];
-			mesh.indices[to + 2] = remap[vertex_offset + vi];
+			Vertex v =
+			    {
+			        obj->positions[gi.p * 3 + 0],
+			        obj->positions[gi.p * 3 + 1],
+			        obj->positions[gi.p * 3 + 2],
+			        obj->normals[gi.n * 3 + 0],
+			        obj->normals[gi.n * 3 + 1],
+			        obj->normals[gi.n * 3 + 2],
+			        obj->texcoords[gi.t * 2 + 0],
+			        obj->texcoords[gi.t * 2 + 1],
+			    };
+
+			// triangulate polygon on the fly; offset-3 is always the first polygon vertex
+			if (j >= 3)
+			{
+				vertices[vertex_offset + 0] = vertices[vertex_offset - 3];
+				vertices[vertex_offset + 1] = vertices[vertex_offset - 1];
+				vertex_offset += 2;
+			}
+
+			vertices[vertex_offset] = v;
+			vertex_offset++;
 		}
 
-		vertex_offset += face_vertices;
-		index_offset += (face_vertices - 2) * 3;
+		index_offset += obj->face_vertices[i];
 	}
 
 	fast_obj_destroy(obj);
 
-	return mesh;
+	reindex = timestamp();
+
+	Mesh result;
+
+	std::vector<unsigned int> remap(total_indices);
+
+	size_t total_vertices = meshopt_generateVertexRemap(&remap[0], NULL, total_indices, &vertices[0], total_indices, sizeof(Vertex));
+
+	result.indices.resize(total_indices);
+	meshopt_remapIndexBuffer(&result.indices[0], NULL, total_indices, &remap[0]);
+
+	result.vertices.resize(total_vertices);
+	meshopt_remapVertexBuffer(&result.vertices[0], &vertices[0], total_indices, sizeof(Vertex), &remap[0]);
+
+	return result;
 }
 
 void dumpObj(const Mesh& mesh, bool recomputeNormals = false)

From 9366cd6cb762589f20514b25d37ba178d41c20a8 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 3 Sep 2024 11:51:54 -0700
Subject: [PATCH 251/581] demo: Add nanite.cpp along with -n (make nanite)

This is a stub that will be expanded to provide a demo of Nanite-like
(hierarchical clustered level of detail) processing. This is necessary
both to serve as an example of how to implement it using all best
practices as well as a testing harness; right now meshoptimizer has
enough functionality to implement *a* pipeline, but for best performance
currently some algorithms need to be swapped out. Long term the goal is
for this to be close to optimal while using just meshopt_ functions.
---
 CMakeLists.txt  |  2 +-
 Makefile        |  3 +++
 demo/main.cpp   | 20 ++++++++++++++++----
 demo/nanite.cpp | 18 ++++++++++++++++++
 4 files changed, 38 insertions(+), 5 deletions(-)
 create mode 100644 demo/nanite.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 73b4a48f79..41014cfdb1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -100,7 +100,7 @@ endif()
 set(TARGETS meshoptimizer)
 
 if(MESHOPT_BUILD_DEMO)
-    add_executable(demo demo/main.cpp demo/tests.cpp tools/objloader.cpp)
+    add_executable(demo demo/main.cpp demo/nanite.cpp demo/tests.cpp tools/objloader.cpp)
     target_link_libraries(demo meshoptimizer)
 endif()
 
diff --git a/Makefile b/Makefile
index 56b0032669..9c8a39f3a9 100644
--- a/Makefile
+++ b/Makefile
@@ -108,6 +108,9 @@ check: $(DEMO)
 dev: $(DEMO)
 	$(DEMO) -d $(files)
 
+nanite: $(DEMO)
+	$(DEMO) -n $(files)
+
 format:
 	clang-format -i $(LIBRARY_SOURCES) $(DEMO_SOURCES) $(GLTFPACK_SOURCES)
 
diff --git a/demo/main.cpp b/demo/main.cpp
index 0507ea9135..deec249a53 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -1155,6 +1155,8 @@ void provoking(const Mesh& mesh)
 	    int(mesh.indices.size() / 3), int(pcount), double(pcount) / double(bestv) * 100.0 - 100.0, (end - start) * 1000);
 }
 
+void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices); // nanite.cpp
+
 bool loadMesh(Mesh& mesh, const char* path)
 {
 	double start = timestamp();
@@ -1344,6 +1346,15 @@ void processDev(const char* path)
 	simplifyAttr(mesh);
 }
 
+void processNanite(const char* path)
+{
+	Mesh mesh;
+	if (!loadMesh(mesh, path))
+		return;
+
+	nanite(mesh.vertices, mesh.indices);
+}
+
 int main(int argc, char** argv)
 {
 	void runTests();
@@ -1360,16 +1371,17 @@ int main(int argc, char** argv)
 		if (strcmp(argv[1], "-d") == 0)
 		{
 			for (int i = 2; i < argc; ++i)
-			{
 				processDev(argv[i]);
-			}
+		}
+		else if (strcmp(argv[1], "-n") == 0)
+		{
+			for (int i = 2; i < argc; ++i)
+				processNanite(argv[i]);
 		}
 		else
 		{
 			for (int i = 1; i < argc; ++i)
-			{
 				process(argv[i]);
-			}
 
 			runTests();
 		}
diff --git a/demo/nanite.cpp b/demo/nanite.cpp
new file mode 100644
index 0000000000..3ef3f84deb
--- /dev/null
+++ b/demo/nanite.cpp
@@ -0,0 +1,18 @@
+#include "../src/meshoptimizer.h"
+
+#include <vector>
+
+struct Vertex
+{
+	float px, py, pz;
+	float nx, ny, nz;
+	float tx, ty;
+};
+
+double timestamp();
+
+void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
+{
+	(void)vertices;
+	(void)indices;
+}

From 1f34f1d33bb58504fc43f25e02c013e94dde493e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 3 Sep 2024 12:10:39 -0700
Subject: [PATCH 252/581] demo: Add METIS as an optional dependency

For initial Nanite implementation to work well we will need METIS for
graph partitioning. Eventually we will implement enough algorithms in
meshoptimizer itself to not need this.
---
 Makefile        | 5 +++++
 demo/nanite.cpp | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/Makefile b/Makefile
index 9c8a39f3a9..04b2b9f06f 100644
--- a/Makefile
+++ b/Makefile
@@ -35,6 +35,11 @@ ifdef BASISU
     endif
 endif
 
+ifdef METIS
+    $(DEMO_OBJECTS): CXXFLAGS+=-DMETIS
+    $(DEMO): LDFLAGS+=-lmetis
+endif
+
 WASMCC?=$(WASI_SDK)/bin/clang++
 WASIROOT?=$(WASI_SDK)/share/wasi-sysroot
 
diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 3ef3f84deb..ebc5d985f4 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -2,6 +2,10 @@
 
 #include <vector>
 
+#ifdef METIS
+#include <metis.h>
+#endif
+
 struct Vertex
 {
 	float px, py, pz;

From f1b2bc73bfb600fc0f503a07e15052d092c6efce Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 3 Sep 2024 21:48:32 -0700
Subject: [PATCH 253/581] demo: Implement initial hierarchical clustering

This should be a more-or-less complete, if basic, merge-simplify-split
pipeline for cluster DAG build, with the exception of tracking the
actual DAG data (errors and parent links).

The caveat is that to merge clusters, we simply partition them
sequentially; this is suboptimal and where METIS can help. We also use
meshopt_buildMeshlets that can sometimes leave unwanted gaps but we
don't have a great way to quantify the issues yet without collecting
stats.
---
 demo/nanite.cpp | 111 +++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 109 insertions(+), 2 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index ebc5d985f4..130af5cd97 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -1,11 +1,19 @@
+// Brian Karis. Nanite: A Deep Dive. 2021
 #include "../src/meshoptimizer.h"
 
+#include <float.h>
+#include <stdio.h>
+
 #include <vector>
 
 #ifdef METIS
 #include <metis.h>
 #endif
 
+#ifndef TRACE
+#define TRACE 0
+#endif
+
 struct Vertex
 {
 	float px, py, pz;
@@ -13,10 +21,109 @@ struct Vertex
 	float tx, ty;
 };
 
+struct Cluster
+{
+	std::vector<unsigned int> indices;
+};
+
 double timestamp();
 
+static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
+{
+	const size_t max_vertices = 255;
+	const size_t max_triangles = 128;
+
+	size_t max_meshlets = meshopt_buildMeshletsBound(indices.size(), max_vertices, max_triangles);
+
+	std::vector<meshopt_Meshlet> meshlets(max_meshlets);
+	std::vector<unsigned int> meshlet_vertices(max_meshlets * max_vertices);
+	std::vector<unsigned char> meshlet_triangles(max_meshlets * max_triangles * 3);
+
+	meshlets.resize(meshopt_buildMeshlets(&meshlets[0], &meshlet_vertices[0], &meshlet_triangles[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(Vertex), max_vertices, max_triangles, 0.f));
+
+	std::vector<Cluster> clusters(meshlets.size());
+
+	for (size_t i = 0; i < meshlets.size(); ++i)
+	{
+		const meshopt_Meshlet& meshlet = meshlets[i];
+
+		meshopt_optimizeMeshlet(&meshlet_vertices[meshlet.vertex_offset], &meshlet_triangles[meshlet.triangle_offset], meshlet.triangle_count, meshlet.vertex_count);
+
+		// note: for now we discard meshlet-local indices; they are valuable for shader code so in the future we should bring them back
+		clusters[i].indices.resize(meshlet.triangle_count * 3);
+		for (size_t j = 0; j < meshlet.triangle_count * 3; ++j)
+			clusters[i].indices[j] = meshlet_vertices[meshlet.vertex_offset + meshlet_triangles[meshlet.triangle_offset + j]];
+
+#if TRACE
+		printf("cluster %d: %d triangles\n", int(i), int(meshlet.triangle_count));
+#endif
+	}
+
+	return clusters;
+}
+
+static Cluster simplify(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, size_t target_count)
+{
+	std::vector<unsigned int> lod(indices.size());
+	float error = 0.f;
+	unsigned int options = meshopt_SimplifyLockBorder | meshopt_SimplifySparse;
+	lod.resize(meshopt_simplify(&lod[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(Vertex), target_count, FLT_MAX, options, &error));
+
+#if TRACE
+	printf("cluster: %d => %d triangles\n", int(indices.size() / 3), int(lod.size() / 3));
+#endif
+
+	Cluster result;
+	result.indices = lod;
+	return result;
+}
+
 void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
-	(void)vertices;
-	(void)indices;
+	std::vector<Cluster> clusters;
+
+	// initial clusterization splits the original mesh
+	std::vector<Cluster> pending = clusterize(vertices, indices);
+	printf("lod 0: %d clusters\n", int(pending.size()));
+
+	int depth = 0;
+
+	// merge and simplify clusters until we can't merge anymore
+	while (!pending.empty())
+	{
+		size_t start = clusters.size();
+
+		for (size_t i = 0; i < pending.size(); ++i)
+			clusters.push_back(pending[i]); // std::move
+		pending.clear();
+
+		std::vector<Cluster> merged;
+
+		// rough merge; while clusters are approximately spatially ordered, this should use a proper partitioning algorithm
+		for (size_t i = start; i < clusters.size(); ++i)
+		{
+			if (merged.empty() || merged.back().indices.size() + clusters[i].indices.size() > 128 * 4 * 3)
+				merged.push_back(Cluster());
+
+			merged.back().indices.insert(merged.back().indices.end(), clusters[i].indices.begin(), clusters[i].indices.end());
+		}
+
+		// every merged cluster needs to be simplified now
+		for (size_t i = 0; i < merged.size(); ++i)
+		{
+			if (merged[i].indices.size() < 128 * 3 * 3)
+				continue; // didn't merge enough
+
+			Cluster simplified = simplify(vertices, merged[i].indices, 128 * 2 * 3);
+			if (simplified.indices.size() > 128 * 3 * 3)
+				continue; // simplification is stuck; abandon the merge
+
+			std::vector<Cluster> split = clusterize(vertices, simplified.indices);
+			for (size_t j = 0; j < split.size(); ++j)
+				pending.push_back(split[j]); // std::move
+		}
+
+		depth++;
+		printf("lod %d: %d clusters\n", depth, int(pending.size()));
+	}
 }

From f54bb4439da30584dcd3262b85e4fdeb7b43b642 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 3 Sep 2024 22:29:24 -0700
Subject: [PATCH 254/581] demo: Expand cluster statistics to have some basic
 numbers

We can now compare things like total simplified triangle count assuming
every cluster goes all the way down to lowest LOD to judge the quality
of simplification, as well as number of stuck clusters at every level.

config=trace also now prints just the decisions about stuck clusters
which is the key factor wrt efficiency at the bottom level. It's likely
that we can adjust the process to be more graceful about this in certain
cases.
---
 demo/nanite.cpp | 41 ++++++++++++++++++++++++++++++++++-------
 1 file changed, 34 insertions(+), 7 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 130af5cd97..3d9680750b 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -26,11 +26,9 @@ struct Cluster
 	std::vector<unsigned int> indices;
 };
 
-double timestamp();
-
 static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
-	const size_t max_vertices = 255;
+	const size_t max_vertices = 192;
 	const size_t max_triangles = 128;
 
 	size_t max_meshlets = meshopt_buildMeshletsBound(indices.size(), max_vertices, max_triangles);
@@ -54,7 +52,7 @@ static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, cons
 		for (size_t j = 0; j < meshlet.triangle_count * 3; ++j)
 			clusters[i].indices[j] = meshlet_vertices[meshlet.vertex_offset + meshlet_triangles[meshlet.triangle_offset + j]];
 
-#if TRACE
+#if TRACE > 1
 		printf("cluster %d: %d triangles\n", int(i), int(meshlet.triangle_count));
 #endif
 	}
@@ -69,7 +67,7 @@ static Cluster simplify(const std::vector<Vertex>& vertices, const std::vector<u
 	unsigned int options = meshopt_SimplifyLockBorder | meshopt_SimplifySparse;
 	lod.resize(meshopt_simplify(&lod[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(Vertex), target_count, FLT_MAX, options, &error));
 
-#if TRACE
+#if TRACE > 1
 	printf("cluster: %d => %d triangles\n", int(indices.size() / 3), int(lod.size() / 3));
 #endif
 
@@ -84,9 +82,11 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 
 	// initial clusterization splits the original mesh
 	std::vector<Cluster> pending = clusterize(vertices, indices);
-	printf("lod 0: %d clusters\n", int(pending.size()));
+
+	printf("lod 0: %d clusters, %d triangles\n", int(pending.size()), int(indices.size() / 3));
 
 	int depth = 0;
+	size_t stuck_triangles = 0;
 
 	// merge and simplify clusters until we can't merge anymore
 	while (!pending.empty())
@@ -108,22 +108,49 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 			merged.back().indices.insert(merged.back().indices.end(), clusters[i].indices.begin(), clusters[i].indices.end());
 		}
 
+		size_t triangles = 0;
+		int stuck_clusters = 0;
+		int full_clusters = 0;
+
 		// every merged cluster needs to be simplified now
 		for (size_t i = 0; i < merged.size(); ++i)
 		{
 			if (merged[i].indices.size() < 128 * 3 * 3)
+			{
+#if TRACE
+				printf("stuck cluster: merged triangles %d under threshold\n", int(merged[i].indices.size() / 3));
+#endif
+
+				stuck_clusters++;
+				stuck_triangles += merged[i].indices.size() / 3;
 				continue; // didn't merge enough
+				// TODO: this is very suboptimal as it leaves some edges of other clusters permanently locked.
+			}
 
 			Cluster simplified = simplify(vertices, merged[i].indices, 128 * 2 * 3);
 			if (simplified.indices.size() > 128 * 3 * 3)
+			{
+#if TRACE
+				printf("stuck cluster: simplified triangles %d over threshold\n", int(simplified.indices.size() / 3));
+#endif
+
+				stuck_clusters++;
+				stuck_triangles += merged[i].indices.size() / 3;
 				continue; // simplification is stuck; abandon the merge
+			}
 
 			std::vector<Cluster> split = clusterize(vertices, simplified.indices);
 			for (size_t j = 0; j < split.size(); ++j)
+			{
 				pending.push_back(split[j]); // std::move
+				triangles += split[j].indices.size() / 3;
+				full_clusters += split[j].indices.size() == 128 * 3;
+			}
 		}
 
 		depth++;
-		printf("lod %d: %d clusters\n", depth, int(pending.size()));
+		printf("lod %d: %d clusters, %d triangles (%d clusters stuck, %d full)\n", depth, int(pending.size()), int(triangles), stuck_clusters, full_clusters);
 	}
+
+	printf("lowest lod: %d triangles\n", int(stuck_triangles));
 }

From 0d2053d95466039a9563666a1c47b74e63131b92 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Sep 2024 11:02:11 -0700
Subject: [PATCH 255/581] demo: Extract cluster size into a tunable constant

Nanite uses 128 so for now let's stick to this; max vertices will need
to be refined later, as well as the various thresholds associated with
merge/simplify.
---
 demo/nanite.cpp | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 3d9680750b..98eacd5957 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -26,10 +26,12 @@ struct Cluster
 	std::vector<unsigned int> indices;
 };
 
+const size_t kClusterSize = 128;
+
 static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
-	const size_t max_vertices = 192;
-	const size_t max_triangles = 128;
+	const size_t max_vertices = 192; // TODO: depends on kClusterSize, also may want to dial down for mesh shaders
+	const size_t max_triangles = kClusterSize;
 
 	size_t max_meshlets = meshopt_buildMeshletsBound(indices.size(), max_vertices, max_triangles);
 
@@ -102,7 +104,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		// rough merge; while clusters are approximately spatially ordered, this should use a proper partitioning algorithm
 		for (size_t i = start; i < clusters.size(); ++i)
 		{
-			if (merged.empty() || merged.back().indices.size() + clusters[i].indices.size() > 128 * 4 * 3)
+			if (merged.empty() || merged.back().indices.size() + clusters[i].indices.size() > kClusterSize * 4 * 3)
 				merged.push_back(Cluster());
 
 			merged.back().indices.insert(merged.back().indices.end(), clusters[i].indices.begin(), clusters[i].indices.end());
@@ -115,7 +117,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		// every merged cluster needs to be simplified now
 		for (size_t i = 0; i < merged.size(); ++i)
 		{
-			if (merged[i].indices.size() < 128 * 3 * 3)
+			if (merged[i].indices.size() < kClusterSize * 3 * 3)
 			{
 #if TRACE
 				printf("stuck cluster: merged triangles %d under threshold\n", int(merged[i].indices.size() / 3));
@@ -127,8 +129,8 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 				// TODO: this is very suboptimal as it leaves some edges of other clusters permanently locked.
 			}
 
-			Cluster simplified = simplify(vertices, merged[i].indices, 128 * 2 * 3);
-			if (simplified.indices.size() > 128 * 3 * 3)
+			Cluster simplified = simplify(vertices, merged[i].indices, kClusterSize * 2 * 3);
+			if (simplified.indices.size() > kClusterSize * 3 * 3)
 			{
 #if TRACE
 				printf("stuck cluster: simplified triangles %d over threshold\n", int(simplified.indices.size() / 3));
@@ -144,7 +146,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 			{
 				pending.push_back(split[j]); // std::move
 				triangles += split[j].indices.size() / 3;
-				full_clusters += split[j].indices.size() == 128 * 3;
+				full_clusters += split[j].indices.size() == kClusterSize * 3;
 			}
 		}
 

From 48f18d15986590b117e296f35cf1186585a7ba25 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Sep 2024 12:09:47 -0700
Subject: [PATCH 256/581] demo: Rework cluster processing to work with stable
 cluster indices

This is required to be able to properly compute and update LOD
information; additionally, this reduces the amount of data copying we
have to do for indices and will make it easier to reintroduce meshlet
local indexing in the future.

As part of this, simplify() also returns indices instead of a cluster,
as it would not make sense to compute meshlet local indices here.
---
 demo/nanite.cpp | 82 ++++++++++++++++++++++++++++---------------------
 1 file changed, 47 insertions(+), 35 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 98eacd5957..dbbca5d13e 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -62,7 +62,28 @@ static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, cons
 	return clusters;
 }
 
-static Cluster simplify(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, size_t target_count)
+static std::vector<std::vector<int> > partition(const std::vector<Cluster>& clusters, const std::vector<int>& pending)
+{
+	std::vector<std::vector<int> > result;
+	size_t last_indices = 0;
+
+	// rough merge; while clusters are approximately spatially ordered, this should use a proper partitioning algorithm
+	for (size_t i = 0; i < pending.size(); ++i)
+	{
+		if (result.empty() || last_indices + clusters[pending[i]].indices.size() > kClusterSize * 4 * 3)
+		{
+			result.push_back(std::vector<int>());
+			last_indices = 0;
+		}
+
+		result.back().push_back(pending[i]);
+		last_indices += clusters[pending[i]].indices.size();
+	}
+
+	return result;
+}
+
+static std::vector<unsigned int> simplify(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, size_t target_count)
 {
 	std::vector<unsigned int> lod(indices.size());
 	float error = 0.f;
@@ -73,78 +94,69 @@ static Cluster simplify(const std::vector<Vertex>& vertices, const std::vector<u
 	printf("cluster: %d => %d triangles\n", int(indices.size() / 3), int(lod.size() / 3));
 #endif
 
-	Cluster result;
-	result.indices = lod;
-	return result;
+	return lod;
 }
 
 void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
-	std::vector<Cluster> clusters;
-
 	// initial clusterization splits the original mesh
-	std::vector<Cluster> pending = clusterize(vertices, indices);
+	std::vector<Cluster> clusters = clusterize(vertices, indices);
+
+	printf("lod 0: %d clusters, %d triangles\n", int(clusters.size()), int(indices.size() / 3));
 
-	printf("lod 0: %d clusters, %d triangles\n", int(pending.size()), int(indices.size() / 3));
+	std::vector<int> pending(clusters.size());
+	for (size_t i = 0; i < clusters.size(); ++i)
+		pending[i] = int(i);
 
 	int depth = 0;
 	size_t stuck_triangles = 0;
 
 	// merge and simplify clusters until we can't merge anymore
-	while (!pending.empty())
+	while (pending.size() > 1)
 	{
-		size_t start = clusters.size();
-
-		for (size_t i = 0; i < pending.size(); ++i)
-			clusters.push_back(pending[i]); // std::move
+		std::vector<std::vector<int> > groups = partition(clusters, pending);
 		pending.clear();
 
-		std::vector<Cluster> merged;
-
-		// rough merge; while clusters are approximately spatially ordered, this should use a proper partitioning algorithm
-		for (size_t i = start; i < clusters.size(); ++i)
-		{
-			if (merged.empty() || merged.back().indices.size() + clusters[i].indices.size() > kClusterSize * 4 * 3)
-				merged.push_back(Cluster());
-
-			merged.back().indices.insert(merged.back().indices.end(), clusters[i].indices.begin(), clusters[i].indices.end());
-		}
-
 		size_t triangles = 0;
 		int stuck_clusters = 0;
 		int full_clusters = 0;
 
-		// every merged cluster needs to be simplified now
-		for (size_t i = 0; i < merged.size(); ++i)
+		// every group needs to be simplified now
+		for (size_t i = 0; i < groups.size(); ++i)
 		{
-			if (merged[i].indices.size() < kClusterSize * 3 * 3)
+			std::vector<unsigned int> merged;
+			for (size_t j = 0; j < groups[i].size(); ++j)
+				merged.insert(merged.end(), clusters[groups[i][j]].indices.begin(), clusters[groups[i][j]].indices.end());
+
+			if (merged.size() < kClusterSize * 3 * 3)
 			{
 #if TRACE
-				printf("stuck cluster: merged triangles %d under threshold\n", int(merged[i].indices.size() / 3));
+				printf("stuck cluster: merged triangles %d under threshold\n", int(merged.size() / 3));
 #endif
 
 				stuck_clusters++;
-				stuck_triangles += merged[i].indices.size() / 3;
+				stuck_triangles += merged.size() / 3;
 				continue; // didn't merge enough
 				// TODO: this is very suboptimal as it leaves some edges of other clusters permanently locked.
 			}
 
-			Cluster simplified = simplify(vertices, merged[i].indices, kClusterSize * 2 * 3);
-			if (simplified.indices.size() > kClusterSize * 3 * 3)
+			std::vector<unsigned int> simplified = simplify(vertices, merged, kClusterSize * 2 * 3);
+			if (simplified.size() > kClusterSize * 3 * 3)
 			{
 #if TRACE
-				printf("stuck cluster: simplified triangles %d over threshold\n", int(simplified.indices.size() / 3));
+				printf("stuck cluster: simplified triangles %d over threshold\n", int(simplified.size() / 3));
 #endif
 
 				stuck_clusters++;
-				stuck_triangles += merged[i].indices.size() / 3;
+				stuck_triangles += merged.size() / 3;
 				continue; // simplification is stuck; abandon the merge
 			}
 
-			std::vector<Cluster> split = clusterize(vertices, simplified.indices);
+			std::vector<Cluster> split = clusterize(vertices, simplified);
 			for (size_t j = 0; j < split.size(); ++j)
 			{
-				pending.push_back(split[j]); // std::move
+				clusters.push_back(split[j]); // std::move
+				pending.push_back(int(clusters.size()) - 1);
 				triangles += split[j].indices.size() / 3;
 				full_clusters += split[j].indices.size() == kClusterSize * 3;
 			}

From 440b084c439b7fb8cb36f63cb349b24855aa2eb2 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Sep 2024 12:39:03 -0700
Subject: [PATCH 257/581] demo: Implement cluster LOD bounds tracking

We now compute LOD bounds for each cluster as well as the parent
information that propagates through DAG and should make it possible to
select a DAG cut just based on bounds alone.

This also makes it possible to compute the lowest LOD (as well as any
other LOD!) from cluster data alone without relying on stuck_triangles
diagnostics which has been reworked to just analyze the current LOD
level.
---
 demo/nanite.cpp | 71 ++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 61 insertions(+), 10 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index dbbca5d13e..9df1a064c7 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -21,13 +21,36 @@ struct Vertex
 	float tx, ty;
 };
 
+struct LODBounds
+{
+	float center[3];
+	float radius;
+	float error;
+};
+
 struct Cluster
 {
 	std::vector<unsigned int> indices;
+
+	LODBounds self;
+	LODBounds parent;
 };
 
 const size_t kClusterSize = 128;
 
+static LODBounds bounds(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, float error)
+{
+	meshopt_Bounds bounds = meshopt_computeClusterBounds(&indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(Vertex));
+
+	LODBounds result;
+	result.center[0] = bounds.center[0];
+	result.center[1] = bounds.center[1];
+	result.center[2] = bounds.center[2];
+	result.radius = bounds.radius;
+	result.error = error;
+	return result;
+}
+
 static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
 	const size_t max_vertices = 192; // TODO: depends on kClusterSize, also may want to dial down for mesh shaders
@@ -54,6 +77,8 @@ static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, cons
 		for (size_t j = 0; j < meshlet.triangle_count * 3; ++j)
 			clusters[i].indices[j] = meshlet_vertices[meshlet.vertex_offset + meshlet_triangles[meshlet.triangle_offset + j]];
 
+		clusters[i].parent.error = FLT_MAX;
+
 #if TRACE > 1
 		printf("cluster %d: %d triangles\n", int(i), int(meshlet.triangle_count));
 #endif
@@ -83,12 +108,11 @@ static std::vector<std::vector<int> > partition(const std::vector<Cluster>& clus
 	return result;
 }
 
-static std::vector<unsigned int> simplify(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, size_t target_count)
+static std::vector<unsigned int> simplify(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, size_t target_count, float* error = NULL)
 {
 	std::vector<unsigned int> lod(indices.size());
-	float error = 0.f;
-	unsigned int options = meshopt_SimplifyLockBorder | meshopt_SimplifySparse;
-	lod.resize(meshopt_simplify(&lod[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(Vertex), target_count, FLT_MAX, options, &error));
+	unsigned int options = meshopt_SimplifyLockBorder | meshopt_SimplifySparse | meshopt_SimplifyErrorAbsolute;
+	lod.resize(meshopt_simplify(&lod[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(Vertex), target_count, FLT_MAX, options, error));
 
 #if TRACE > 1
 	printf("cluster: %d => %d triangles\n", int(indices.size() / 3), int(lod.size() / 3));
@@ -101,6 +125,8 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 {
 	// initial clusterization splits the original mesh
 	std::vector<Cluster> clusters = clusterize(vertices, indices);
+	for (size_t i = 0; i < clusters.size(); ++i)
+		clusters[i].self = bounds(vertices, clusters[i].indices, 0.f);
 
 	printf("lod 0: %d clusters, %d triangles\n", int(clusters.size()), int(indices.size() / 3));
 
@@ -109,7 +135,6 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		pending[i] = int(i);
 
 	int depth = 0;
-	size_t stuck_triangles = 0;
 
 	// merge and simplify clusters until we can't merge anymore
 	while (pending.size() > 1)
@@ -118,6 +143,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		pending.clear();
 
 		size_t triangles = 0;
+		size_t stuck_triangles = 0;
 		int stuck_clusters = 0;
 		int full_clusters = 0;
 
@@ -128,7 +154,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 			for (size_t j = 0; j < groups[i].size(); ++j)
 				merged.insert(merged.end(), clusters[groups[i][j]].indices.begin(), clusters[groups[i][j]].indices.end());
 
-			if (merged.size() < kClusterSize * 3 * 3)
+			if (merged.size() <= kClusterSize * 3 * 3)
 			{
 #if TRACE
 				printf("stuck cluster: merged triangles %d under threshold\n", int(merged.size() / 3));
@@ -140,8 +166,9 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 				// TODO: this is very suboptimal as it leaves some edges of other clusters permanently locked.
 			}
 
-			std::vector<unsigned int> simplified = simplify(vertices, merged, kClusterSize * 2 * 3);
-			if (simplified.size() > kClusterSize * 3 * 3)
+			float error = 0.f;
+			std::vector<unsigned int> simplified = simplify(vertices, merged, kClusterSize * 2 * 3, &error);
+			if (simplified.size() >= kClusterSize * 3 * 3)
 			{
 #if TRACE
 				printf("stuck cluster: simplified triangles %d over threshold\n", int(simplified.size() / 3));
@@ -152,19 +179,43 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 				continue; // simplification is stuck; abandon the merge
 			}
 
+			// enforce error monotonicity
+			for (size_t j = 0; j < groups[i].size(); ++j)
+				error = std::max(error, clusters[groups[i][j]].self.error);
+
 			std::vector<Cluster> split = clusterize(vertices, simplified);
+
+			LODBounds groupb = bounds(vertices, merged, error);
+
+			// update parent bounds and error for all clusters in the group
+			// note that all clusters in the group need to switch simultaneously so they have the same bounds
+			for (size_t j = 0; j < groups[i].size(); ++j)
+			{
+				assert(clusters[groups[i][j]].parent.error == FLT_MAX);
+				clusters[groups[i][j]].parent = groupb;
+			}
+
 			for (size_t j = 0; j < split.size(); ++j)
 			{
+				split[j].self = groupb;
+
 				clusters.push_back(split[j]); // std::move
 				pending.push_back(int(clusters.size()) - 1);
+
 				triangles += split[j].indices.size() / 3;
 				full_clusters += split[j].indices.size() == kClusterSize * 3;
 			}
 		}
 
 		depth++;
-		printf("lod %d: %d clusters, %d triangles (%d clusters stuck, %d full)\n", depth, int(pending.size()), int(triangles), stuck_clusters, full_clusters);
+		printf("lod %d: %d clusters (%d full), %d triangles (%d triangles stuck in %d clusters)\n", depth,
+			int(pending.size()), full_clusters, int(triangles), int(stuck_triangles), stuck_clusters);
 	}
 
-	printf("lowest lod: %d triangles\n", int(stuck_triangles));
+	size_t lowest_triangles = 0;
+	for (size_t i = 0; i < clusters.size(); ++i)
+		if (clusters[i].parent.error == FLT_MAX)
+			lowest_triangles += clusters[i].indices.size() / 3;
+
+	printf("lowest lod: %d triangles\n", int(lowest_triangles));
 }

From cedaf9a7338311843d1be283f24b4b54aeeed29d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Sep 2024 13:47:56 -0700
Subject: [PATCH 258/581] demo: Implement debug LOD cut output

To make it easier to understand the results, in addition to numerical
stats for the DAG we can now output a simplified mesh by computing the
error for each cluster from a viewpoint and using hierarchical
information to effectively select LODs at every level.

We always do this to output a number, but also can save the .obj to
stderr for subsequent external visualization.
---
 demo/main.cpp   | 24 ++++++++++++------------
 demo/nanite.cpp | 30 +++++++++++++++++++++++++++++-
 2 files changed, 41 insertions(+), 13 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index deec249a53..a887bed054 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -138,21 +138,21 @@ Mesh parseObj(const char* path, double& reindex)
 	return result;
 }
 
-void dumpObj(const Mesh& mesh, bool recomputeNormals = false)
+void dumpObj(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, bool recomputeNormals = false)
 {
 	std::vector<float> normals;
 
 	if (recomputeNormals)
 	{
-		normals.resize(mesh.vertices.size() * 3);
+		normals.resize(vertices.size() * 3);
 
-		for (size_t i = 0; i < mesh.indices.size(); i += 3)
+		for (size_t i = 0; i < indices.size(); i += 3)
 		{
-			unsigned int a = mesh.indices[i], b = mesh.indices[i + 1], c = mesh.indices[i + 2];
+			unsigned int a = indices[i], b = indices[i + 1], c = indices[i + 2];
 
-			const Vertex& va = mesh.vertices[a];
-			const Vertex& vb = mesh.vertices[b];
-			const Vertex& vc = mesh.vertices[c];
+			const Vertex& va = vertices[a];
+			const Vertex& vb = vertices[b];
+			const Vertex& vc = vertices[c];
 
 			float nx = (vb.py - va.py) * (vc.pz - va.pz) - (vb.pz - va.pz) * (vc.py - va.py);
 			float ny = (vb.pz - va.pz) * (vc.px - va.px) - (vb.px - va.px) * (vc.pz - va.pz);
@@ -160,7 +160,7 @@ void dumpObj(const Mesh& mesh, bool recomputeNormals = false)
 
 			for (int k = 0; k < 3; ++k)
 			{
-				unsigned int index = mesh.indices[i + k];
+				unsigned int index = indices[i + k];
 
 				normals[index * 3 + 0] += nx;
 				normals[index * 3 + 1] += ny;
@@ -169,9 +169,9 @@ void dumpObj(const Mesh& mesh, bool recomputeNormals = false)
 		}
 	}
 
-	for (size_t i = 0; i < mesh.vertices.size(); ++i)
+	for (size_t i = 0; i < vertices.size(); ++i)
 	{
-		const Vertex& v = mesh.vertices[i];
+		const Vertex& v = vertices[i];
 
 		float nx = v.nx, ny = v.ny, nz = v.nz;
 
@@ -193,9 +193,9 @@ void dumpObj(const Mesh& mesh, bool recomputeNormals = false)
 		fprintf(stderr, "vn %f %f %f\n", nx, ny, nz);
 	}
 
-	for (size_t i = 0; i < mesh.indices.size(); i += 3)
+	for (size_t i = 0; i < indices.size(); i += 3)
 	{
-		unsigned int a = mesh.indices[i], b = mesh.indices[i + 1], c = mesh.indices[i + 2];
+		unsigned int a = indices[i], b = indices[i + 1], c = indices[i + 2];
 
 		fprintf(stderr, "f %d %d %d\n", a + 1, b + 1, c + 1);
 	}
diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 9df1a064c7..8280ad99ac 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -2,6 +2,7 @@
 #include "../src/meshoptimizer.h"
 
 #include <float.h>
+#include <math.h>
 #include <stdio.h>
 
 #include <vector>
@@ -51,6 +52,14 @@ static LODBounds bounds(const std::vector<Vertex>& vertices, const std::vector<u
 	return result;
 }
 
+static float boundsError(const LODBounds& bounds, float x, float y, float z)
+{
+	// note: this is *not* a production ready metric; it's a placeholder for the demo purposes
+	float dx = bounds.center[0] - x, dy = bounds.center[1] - y, dz = bounds.center[2] - z;
+	float d = sqrtf(dx * dx + dy * dy + dz * dz) - bounds.radius;
+	return d <= 0 ? bounds.error : bounds.error / d;
+}
+
 static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
 	const size_t max_vertices = 192; // TODO: depends on kClusterSize, also may want to dial down for mesh shaders
@@ -121,6 +130,8 @@ static std::vector<unsigned int> simplify(const std::vector<Vertex>& vertices, c
 	return lod;
 }
 
+void dumpObj(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, bool recomputeNormals = false);
+
 void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
 	// initial clusterization splits the original mesh
@@ -173,7 +184,6 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 #if TRACE
 				printf("stuck cluster: simplified triangles %d over threshold\n", int(simplified.size() / 3));
 #endif
-
 				stuck_clusters++;
 				stuck_triangles += merged.size() / 3;
 				continue; // simplification is stuck; abandon the merge
@@ -218,4 +228,22 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 			lowest_triangles += clusters[i].indices.size() / 3;
 
 	printf("lowest lod: %d triangles\n", int(lowest_triangles));
+
+	// for testing purposes, we can compute a DAG cut from a given viewpoint and dump it as an OBJ
+	float maxx = 0.f, maxy = 0.f, maxz = 0.f;
+	for (size_t i = 0; i < vertices.size(); ++i)
+	{
+		maxx = std::max(maxx, vertices[i].px);
+		maxy = std::max(maxy, vertices[i].py);
+		maxz = std::max(maxz, vertices[i].pz);
+	}
+	float threshold = 7e-3f;
+
+	std::vector<unsigned int> cut;
+	for (size_t i = 0; i < clusters.size(); ++i)
+		if (boundsError(clusters[i].self, maxx, maxy, maxz) <= threshold && boundsError(clusters[i].parent, maxx, maxy, maxz) > threshold)
+			cut.insert(cut.end(), clusters[i].indices.begin(), clusters[i].indices.end());
+
+	printf("cut (%.3f): %d triangles\n", threshold, int(cut.size() / 3));
+	// dumpObj(vertices, cut);
 }

From 1059fba883a3049b2dc5216ad72337b620484b1d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Sep 2024 14:33:04 -0700
Subject: [PATCH 259/581] demo: Add DAG error validation to check monotonicity

For correct hierarchical LOD selection we need to maintain the bounds
monotonicity: any parent cluster needs to have error >= any child
cluster from any viewpoint. This is something that we don't currently
get right because our merged sphere might not cover all child spheres;
for now we will print an error if this happens, but this code might be
removed in the future.
---
 demo/nanite.cpp | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 8280ad99ac..b4e930f00d 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -145,6 +145,9 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 	for (size_t i = 0; i < clusters.size(); ++i)
 		pending[i] = int(i);
 
+	// for validation only
+	std::vector<std::pair<int, int> > dag_debug;
+
 	int depth = 0;
 
 	// merge and simplify clusters until we can't merge anymore
@@ -174,7 +177,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 				stuck_clusters++;
 				stuck_triangles += merged.size() / 3;
 				continue; // didn't merge enough
-				// TODO: this is very suboptimal as it leaves some edges of other clusters permanently locked.
+				          // TODO: this is very suboptimal as it leaves some edges of other clusters permanently locked.
 			}
 
 			float error = 0.f;
@@ -205,6 +208,11 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 				clusters[groups[i][j]].parent = groupb;
 			}
 
+			// record DAG edges for validation during the cut
+			for (size_t j = 0; j < groups[i].size(); ++j)
+				for (size_t k = 0; k < split.size(); ++k)
+					dag_debug.push_back(std::make_pair(groups[i][j], int(clusters.size()) + int(k)));
+
 			for (size_t j = 0; j < split.size(); ++j)
 			{
 				split[j].self = groupb;
@@ -219,7 +227,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 
 		depth++;
 		printf("lod %d: %d clusters (%d full), %d triangles (%d triangles stuck in %d clusters)\n", depth,
-			int(pending.size()), full_clusters, int(triangles), int(stuck_triangles), stuck_clusters);
+		    int(pending.size()), full_clusters, int(triangles), int(stuck_triangles), stuck_clusters);
 	}
 
 	size_t lowest_triangles = 0;
@@ -244,6 +252,20 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		if (boundsError(clusters[i].self, maxx, maxy, maxz) <= threshold && boundsError(clusters[i].parent, maxx, maxy, maxz) > threshold)
 			cut.insert(cut.end(), clusters[i].indices.begin(), clusters[i].indices.end());
 
+	for (size_t i = 0; i < dag_debug.size(); ++i)
+	{
+		int j = dag_debug[i].first, k = dag_debug[i].second;
+		float ej = boundsError(clusters[j].self, maxx, maxy, maxz);
+		float ejp = boundsError(clusters[j].parent, maxx, maxy, maxz);
+		float ek = boundsError(clusters[k].self, maxx, maxy, maxz);
+
+		// TODO: these should be assertions
+		if (ej > ek)
+			printf("ERROR: cluster %d is a parent of %d, but has error %e (vs %e)\n", int(k), int(j), ek, ej);
+		if (ejp < ej)
+			printf("ERROR: cluster %d has parent error %e (vs %e)\n", int(j), ejp, ej);
+	}
+
 	printf("cut (%.3f): %d triangles\n", threshold, int(cut.size() / 3));
 	// dumpObj(vertices, cut);
 }

From 09c270c724e6a89a30ac61ea3c19229b59d2bcfe Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Sep 2024 15:18:28 -0700
Subject: [PATCH 260/581] demo: Instead of using a precise merged bounds, merge
 bounds manually

This falls out of monotonicity requirement: it is not enough to make
LODBounds::error monotonic, the real requirement is that for any
viewpoint, boundsError is monotonic through the DAG. To achieve that we
need to make sure that the bounding sphere of any parent cluster
contains the bounding sphere of the child cluster, which may not hold if
the parent sphere is computed precisely based on vertex data.

Fixing this and fixing boundsError to return FLT_MAX if the viewpoint is
contained inside the sphere makes the DAG checks pass, so they can now
use assertions instead of logs.
---
 demo/nanite.cpp | 65 +++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 52 insertions(+), 13 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index b4e930f00d..fdd3f95801 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -52,12 +52,50 @@ static LODBounds bounds(const std::vector<Vertex>& vertices, const std::vector<u
 	return result;
 }
 
+static LODBounds boundsMerge(const std::vector<Cluster>& clusters, const std::vector<int>& group)
+{
+	LODBounds result = {};
+
+	// we approximate merged bounds center as weighted average of cluster centers
+	float weight = 0.f;
+	for (size_t j = 0; j < group.size(); ++j)
+	{
+		result.center[0] += clusters[group[j]].self.center[0] * clusters[group[j]].self.radius;
+		result.center[1] += clusters[group[j]].self.center[1] * clusters[group[j]].self.radius;
+		result.center[2] += clusters[group[j]].self.center[2] * clusters[group[j]].self.radius;
+		weight += clusters[group[j]].self.radius;
+	}
+
+	if (weight > 0)
+	{
+		result.center[0] /= weight;
+		result.center[1] /= weight;
+		result.center[2] /= weight;
+	}
+
+	// merged bounds must strictly contain all cluster bounds
+	result.radius = 0.f;
+	for (size_t j = 0; j < group.size(); ++j)
+	{
+		float dx = clusters[group[j]].self.center[0] - result.center[0];
+		float dy = clusters[group[j]].self.center[1] - result.center[1];
+		float dz = clusters[group[j]].self.center[2] - result.center[2];
+		result.radius = std::max(result.radius, clusters[group[j]].self.radius + sqrtf(dx * dx + dy * dy + dz * dz));
+	}
+
+	// merged bounds error must be conservative wrt cluster errors
+	result.error = 0.f;
+	for (size_t j = 0; j < group.size(); ++j)
+		result.error = std::max(result.error, clusters[group[j]].self.error);
+
+	return result;
+}
+
 static float boundsError(const LODBounds& bounds, float x, float y, float z)
 {
-	// note: this is *not* a production ready metric; it's a placeholder for the demo purposes
 	float dx = bounds.center[0] - x, dy = bounds.center[1] - y, dz = bounds.center[2] - z;
 	float d = sqrtf(dx * dx + dy * dy + dz * dz) - bounds.radius;
-	return d <= 0 ? bounds.error : bounds.error / d;
+	return d <= 0 ? FLT_MAX : bounds.error / d;
 }
 
 static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
@@ -145,8 +183,9 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 	for (size_t i = 0; i < clusters.size(); ++i)
 		pending[i] = int(i);
 
-	// for validation only
+#ifndef NDEBUG
 	std::vector<std::pair<int, int> > dag_debug;
+#endif
 
 	int depth = 0;
 
@@ -192,14 +231,13 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 				continue; // simplification is stuck; abandon the merge
 			}
 
-			// enforce error monotonicity
-			for (size_t j = 0; j < groups[i].size(); ++j)
-				error = std::max(error, clusters[groups[i][j]].self.error);
+			// enforce bounds and error monotonicity
+			// note: it is incorrect to use the precise bounds of the merged or simplified mesh, because this may violate monotonicity
+			LODBounds groupb = boundsMerge(clusters, groups[i]);
+			groupb.error += error; // this may overestimate the error, but we are starting from the simplified mesh so this is a little more correct
 
 			std::vector<Cluster> split = clusterize(vertices, simplified);
 
-			LODBounds groupb = bounds(vertices, merged, error);
-
 			// update parent bounds and error for all clusters in the group
 			// note that all clusters in the group need to switch simultaneously so they have the same bounds
 			for (size_t j = 0; j < groups[i].size(); ++j)
@@ -208,10 +246,12 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 				clusters[groups[i][j]].parent = groupb;
 			}
 
+#ifndef NDEBUG
 			// record DAG edges for validation during the cut
 			for (size_t j = 0; j < groups[i].size(); ++j)
 				for (size_t k = 0; k < split.size(); ++k)
 					dag_debug.push_back(std::make_pair(groups[i][j], int(clusters.size()) + int(k)));
+#endif
 
 			for (size_t j = 0; j < split.size(); ++j)
 			{
@@ -252,6 +292,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		if (boundsError(clusters[i].self, maxx, maxy, maxz) <= threshold && boundsError(clusters[i].parent, maxx, maxy, maxz) > threshold)
 			cut.insert(cut.end(), clusters[i].indices.begin(), clusters[i].indices.end());
 
+#ifndef NDEBUG
 	for (size_t i = 0; i < dag_debug.size(); ++i)
 	{
 		int j = dag_debug[i].first, k = dag_debug[i].second;
@@ -259,12 +300,10 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		float ejp = boundsError(clusters[j].parent, maxx, maxy, maxz);
 		float ek = boundsError(clusters[k].self, maxx, maxy, maxz);
 
-		// TODO: these should be assertions
-		if (ej > ek)
-			printf("ERROR: cluster %d is a parent of %d, but has error %e (vs %e)\n", int(k), int(j), ek, ej);
-		if (ejp < ej)
-			printf("ERROR: cluster %d has parent error %e (vs %e)\n", int(j), ejp, ej);
+		assert(ej <= ek);
+		assert(ejp >= ej);
 	}
+#endif
 
 	printf("cut (%.3f): %d triangles\n", threshold, int(cut.size() / 3));
 	// dumpObj(vertices, cut);

From 9865e406ec7eb6ba1567957912f349c2e9871df4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Sep 2024 16:32:18 -0700
Subject: [PATCH 261/581] demo: Implement initial version of Metis partitioner

We use a k-way partitioning scheme and ask for ~c/4 partitions in hopes
that it groups clusters reasonably well; for now we use the number of
shared edges as the connection weight although it is likely that the
number of shared vertices is a reasonable proxy that is easier to
compute and more useful.

Note that the rest of the pipeline was structured to deal with a more
strict partitioner, as such in some cases the results are better and in
some they are worse. This is good because the rest of the pipeline needs
to have better heuristics anyway.
---
 demo/nanite.cpp | 106 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index fdd3f95801..5d710b01d7 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -5,6 +5,7 @@
 #include <math.h>
 #include <stdio.h>
 
+#include <map>
 #include <vector>
 
 #ifdef METIS
@@ -134,9 +135,101 @@ static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, cons
 	return clusters;
 }
 
+#ifdef METIS
+static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>& clusters, const std::vector<int>& pending)
+{
+	std::vector<std::vector<int> > result;
+
+	std::map<std::pair<int, int>, std::vector<int> > edges;
+
+	for (size_t i = 0; i < pending.size(); ++i)
+	{
+		const Cluster& cluster = clusters[pending[i]];
+
+		for (size_t j = 0; j < cluster.indices.size(); ++j)
+		{
+			int v0 = cluster.indices[j + 0];
+			int v1 = cluster.indices[j + (j % 3 == 2 ? -2 : 1)];
+
+			std::vector<int>& list = edges[std::make_pair(std::min(v0, v1), std::max(v0, v1))];
+			if (list.empty() || list.back() != int(i))
+				list.push_back(int(i));
+		}
+	}
+
+	std::map<std::pair<int, int>, int> adjacency;
+
+	for (std::map<std::pair<int, int>, std::vector<int> >::iterator it = edges.begin(); it != edges.end(); ++it)
+	{
+		const std::vector<int>& list = it->second;
+
+		for (size_t i = 0; i < list.size(); ++i)
+			for (size_t j = i + 1; j < list.size(); ++j)
+				adjacency[std::make_pair(std::min(list[i], list[j]), std::max(list[i], list[j]))]++;
+	}
+
+	std::vector<int> xadj(pending.size() + 1);
+	std::vector<int> adjncy;
+	std::vector<int> adjwgt;
+	std::vector<int> part(pending.size());
+
+	for (size_t i = 0; i < pending.size(); ++i)
+	{
+		for (std::map<std::pair<int, int>, int>::iterator it = adjacency.begin(); it != adjacency.end(); ++it)
+			if (it->first.first == int(i))
+			{
+				adjncy.push_back(it->first.second);
+				adjwgt.push_back(it->second);
+			}
+			else if (it->first.second == int(i))
+			{
+				adjncy.push_back(it->first.first);
+				adjwgt.push_back(it->second);
+			}
+
+		xadj[i + 1] = adjncy.size();
+	}
+
+	int options[METIS_NOPTIONS];
+	METIS_SetDefaultOptions(options);
+	options[METIS_OPTION_SEED] = 42;
+	options[METIS_OPTION_UFACTOR] = 100;
+
+	int nvtxs = int(pending.size());
+	int ncon = 1;
+	int nparts = int(pending.size() + 3) / 4;
+	int edgecut = 0;
+
+	if (nparts <= 1)
+	{
+		// not sure why this is a special case that we need to handle but okay metis
+		result.push_back(pending);
+	}
+	else
+	{
+		int r = METIS_PartGraphKway(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, &adjwgt[0], &nparts, NULL, NULL, options, &edgecut, &part[0]);
+		(void)r;
+		assert(r == METIS_OK);
+
+		result.resize(nparts);
+		for (size_t i = 0; i < part.size(); ++i)
+			result[part[i]].push_back(pending[i]);
+	}
+
+	return result;
+}
+#endif
+
 static std::vector<std::vector<int> > partition(const std::vector<Cluster>& clusters, const std::vector<int>& pending)
 {
+#ifdef METIS
+	static const char* metis = getenv("METIS");
+	if (metis && atoi(metis))
+		return partitionMetis(clusters, pending);
+#endif
+
 	std::vector<std::vector<int> > result;
+
 	size_t last_indices = 0;
 
 	// rough merge; while clusters are approximately spatially ordered, this should use a proper partitioning algorithm
@@ -172,6 +265,16 @@ void dumpObj(const std::vector<Vertex>& vertices, const std::vector<unsigned int
 
 void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
+	static const char* metis = getenv("METIS");
+	if (metis && atoi(metis))
+	{
+#ifdef METIS
+		printf("using metis\n");
+#else
+		printf("ERROR: build does not have metis available\n");
+#endif
+	}
+
 	// initial clusterization splits the original mesh
 	std::vector<Cluster> clusters = clusterize(vertices, indices);
 	for (size_t i = 0; i < clusters.size(); ++i)
@@ -203,6 +306,9 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		// every group needs to be simplified now
 		for (size_t i = 0; i < groups.size(); ++i)
 		{
+			if (groups[i].empty())
+				continue; // metis shortcut
+
 			std::vector<unsigned int> merged;
 			for (size_t j = 0; j < groups[i].size(); ++j)
 				merged.insert(merged.end(), clusters[groups[i][j]].indices.begin(), clusters[groups[i][j]].indices.end());

From a9fa0d56f3abcd690399ea7bcc5e6a1a6844a73f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Sep 2024 16:54:00 -0700
Subject: [PATCH 262/581] demo: Add partitioning visualization

Using environment variable DUMP, we can now control the contents of the
output .obj: -1 means "output DAG cut", 0-n means "output grouping at a
given LOD level".

When we output the cut, we also output individual clusters as separate
objects for ease of debugging.
---
 demo/main.cpp   | 12 ++++++++++++
 demo/nanite.cpp | 27 ++++++++++++++++++++++-----
 2 files changed, 34 insertions(+), 5 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index a887bed054..14c52b89c1 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -201,6 +201,18 @@ void dumpObj(const std::vector<Vertex>& vertices, const std::vector<unsigned int
 	}
 }
 
+void dumpObj(const char* section, const std::vector<unsigned int>& indices)
+{
+	fprintf(stderr, "o %s\n", section);
+
+	for (size_t j = 0; j < indices.size(); j += 3)
+	{
+		unsigned int a = indices[j], b = indices[j + 1], c = indices[j + 2];
+
+		fprintf(stderr, "f %d %d %d\n", a + 1, b + 1, c + 1);
+	}
+}
+
 bool isMeshValid(const Mesh& mesh)
 {
 	size_t index_count = mesh.indices.size();
diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 5d710b01d7..eda7ce7fda 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -262,6 +262,7 @@ static std::vector<unsigned int> simplify(const std::vector<Vertex>& vertices, c
 }
 
 void dumpObj(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, bool recomputeNormals = false);
+void dumpObj(const char* section, const std::vector<unsigned int>& indices);
 
 void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
@@ -275,6 +276,8 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 #endif
 	}
 
+	static const char* dump = getenv("DUMP");
+
 	// initial clusterization splits the original mesh
 	std::vector<Cluster> clusters = clusterize(vertices, indices);
 	for (size_t i = 0; i < clusters.size(); ++i)
@@ -303,6 +306,9 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		int stuck_clusters = 0;
 		int full_clusters = 0;
 
+		if (dump && depth == atoi(dump))
+			dumpObj(vertices, std::vector<unsigned int>());
+
 		// every group needs to be simplified now
 		for (size_t i = 0; i < groups.size(); ++i)
 		{
@@ -313,6 +319,9 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 			for (size_t j = 0; j < groups[i].size(); ++j)
 				merged.insert(merged.end(), clusters[groups[i][j]].indices.begin(), clusters[groups[i][j]].indices.end());
 
+			if (dump && depth == atoi(dump))
+				dumpObj("group", merged);
+
 			if (merged.size() <= kClusterSize * 3 * 3)
 			{
 #if TRACE
@@ -387,11 +396,11 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 	float maxx = 0.f, maxy = 0.f, maxz = 0.f;
 	for (size_t i = 0; i < vertices.size(); ++i)
 	{
-		maxx = std::max(maxx, vertices[i].px);
-		maxy = std::max(maxy, vertices[i].py);
-		maxz = std::max(maxz, vertices[i].pz);
+		maxx = std::max(maxx, vertices[i].px * 2);
+		maxy = std::max(maxy, vertices[i].py * 2);
+		maxz = std::max(maxz, vertices[i].pz * 2);
 	}
-	float threshold = 7e-3f;
+	float threshold = 3e-3f;
 
 	std::vector<unsigned int> cut;
 	for (size_t i = 0; i < clusters.size(); ++i)
@@ -412,5 +421,13 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 #endif
 
 	printf("cut (%.3f): %d triangles\n", threshold, int(cut.size() / 3));
-	// dumpObj(vertices, cut);
+
+	if (dump && -1 == atoi(dump))
+	{
+		dumpObj(vertices, cut);
+
+		for (size_t i = 0; i < clusters.size(); ++i)
+			if (boundsError(clusters[i].self, maxx, maxy, maxz) <= threshold && boundsError(clusters[i].parent, maxx, maxy, maxz) > threshold)
+				dumpObj("cluster", clusters[i].indices);
+	}
 }

From 94baf792c558bea194fcbb883e98e8fb2265f97b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Sep 2024 19:19:55 -0700
Subject: [PATCH 263/581] demo: Implement an initial version of Metis
 clusterizer

We might need to split this into a separate option because, while this
seems to work, it also results in disjoint clusters and in addition to
this doesn't fill the clusters very well; at the minimum this will need
further tweaks.
---
 demo/nanite.cpp | 128 +++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 127 insertions(+), 1 deletion(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index eda7ce7fda..482f7129c2 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -99,8 +99,134 @@ static float boundsError(const LODBounds& bounds, float x, float y, float z)
 	return d <= 0 ? FLT_MAX : bounds.error / d;
 }
 
+#ifdef METIS
+static void clusterizeMetisRec(std::vector<Cluster>& result, const std::vector<unsigned int>& indices, const std::vector<int>& triidx, const std::vector<int>& triadj)
+{
+	assert(triadj.size() == triidx.size() * 3);
+
+	if (triidx.size() <= kClusterSize)
+	{
+		Cluster cluster;
+		for (size_t i = 0; i < triidx.size(); ++i)
+		{
+			cluster.indices.push_back(indices[triidx[i] * 3 + 0]);
+			cluster.indices.push_back(indices[triidx[i] * 3 + 1]);
+			cluster.indices.push_back(indices[triidx[i] * 3 + 2]);
+		}
+
+		cluster.parent.error = FLT_MAX;
+		result.push_back(cluster);
+		return;
+	}
+
+	std::vector<int> xadj(triidx.size() + 1);
+	std::vector<int> adjncy;
+	std::vector<int> part(triidx.size());
+
+	for (size_t i = 0; i < triidx.size(); ++i)
+	{
+		for (int j = 0; j < 3; ++j)
+			if (triadj[i * 3 + j] != -1)
+				adjncy.push_back(triadj[i * 3 + j]);
+
+		xadj[i + 1] = adjncy.size();
+	}
+
+	int options[METIS_NOPTIONS];
+	METIS_SetDefaultOptions(options);
+	options[METIS_OPTION_SEED] = 42;
+	options[METIS_OPTION_UFACTOR] = triidx.size() > 8 * kClusterSize ? 100 : 10;
+
+	int nvtxs = int(triidx.size());
+	int ncon = 1;
+	int nparts = 2;
+	int edgecut = 0;
+
+	int r = METIS_PartGraphRecursive(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, NULL, &nparts, NULL, NULL, options, &edgecut, &part[0]);
+	assert(r == METIS_OK);
+	(void)r;
+
+	int partsize[2] = {};
+	std::vector<int> partoff(part.size());
+	for (size_t i = 0; i < part.size(); ++i)
+		partoff[i] = partsize[part[i]]++;
+
+	for (int p = 0; p < 2; ++p)
+	{
+		std::vector<int> partidx, partadj;
+		partidx.reserve(partsize[p]);
+		partadj.reserve(partsize[p] * 3);
+
+		for (size_t i = 0; i < triidx.size(); ++i)
+		{
+			if (part[i] != p)
+				continue;
+
+			partidx.push_back(triidx[i]);
+
+			for (int j = 0; j < 3; ++j)
+			{
+				if (triadj[i * 3 + j] >= 0 && part[triadj[i * 3 + j]] == p)
+					partadj.push_back(partoff[triadj[i * 3 + j]]);
+				else
+					partadj.push_back(-1);
+			}
+		}
+
+		clusterizeMetisRec(result, indices, partidx, partadj);
+	}
+}
+
+static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
+{
+	(void)vertices; // for now
+
+	std::map<std::pair<unsigned int, unsigned int>, unsigned int> edges;
+
+	for (size_t i = 0; i < indices.size(); ++i)
+	{
+		unsigned int v0 = indices[i + 0];
+		unsigned int v1 = indices[i + (i % 3 == 2 ? -2 : 1)];
+
+		// we don't track adjacency fully on non-manifold edges for now
+		edges[std::make_pair(v0, v1)] = unsigned(i / 3);
+	}
+
+	std::vector<int> triadj(indices.size(), -1);
+
+	for (size_t i = 0; i < indices.size(); i += 3)
+	{
+		unsigned int v0 = indices[i + 0], v1 = indices[i + 1], v2 = indices[i + 2];
+
+		std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator oab = edges.find(std::make_pair(v1, v0));
+		std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator obc = edges.find(std::make_pair(v2, v1));
+		std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator oca = edges.find(std::make_pair(v0, v2));
+
+		triadj[i + 0] = oab != edges.end() ? int(oab->second) : -1;
+		triadj[i + 1] = obc != edges.end() ? int(obc->second) : -1;
+		triadj[i + 2] = oca != edges.end() ? int(oca->second) : -1;
+	}
+
+	std::vector<int> triidx(indices.size() / 3);
+	for (size_t i = 0; i < indices.size(); i += 3)
+		triidx[i / 3] = int(i / 3);
+
+	std::vector<Cluster> result;
+	clusterizeMetisRec(result, indices, triidx, triadj);
+
+	return result;
+}
+#endif
+
 static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
+#ifdef METIS
+	static const char* metis = getenv("METIS");
+	if (metis && atoi(metis))
+		return clusterizeMetis(vertices, indices);
+#endif
+
+
 	const size_t max_vertices = 192; // TODO: depends on kClusterSize, also may want to dial down for mesh shaders
 	const size_t max_triangles = kClusterSize;
 
@@ -208,8 +334,8 @@ static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>&
 	else
 	{
 		int r = METIS_PartGraphKway(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, &adjwgt[0], &nparts, NULL, NULL, options, &edgecut, &part[0]);
-		(void)r;
 		assert(r == METIS_OK);
+		(void)r;
 
 		result.resize(nparts);
 		for (size_t i = 0; i < part.size(); ++i)

From d51797d88bdd92ab6ee2d772d078fa168fac623a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Sep 2024 19:23:12 -0700
Subject: [PATCH 264/581] demo: Reinsert stuck clusters into the queue

This means that small clusters that end up being too small to merge or
edge-locked enough so that simplification is not effective may get
another chance further into the process to get merged with other
clusters. This is generally beneficial for quality although sometimes
results in worse results and definitely results in slower processing as
the stuck triangles keep being reevaluated on every pass.
---
 demo/nanite.cpp | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 482f7129c2..2349f757cd 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -226,7 +226,6 @@ static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, cons
 		return clusterizeMetis(vertices, indices);
 #endif
 
-
 	const size_t max_vertices = 192; // TODO: depends on kClusterSize, also may want to dial down for mesh shaders
 	const size_t max_triangles = kClusterSize;
 
@@ -427,6 +426,8 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		std::vector<std::vector<int> > groups = partition(clusters, pending);
 		pending.clear();
 
+		std::vector<int> retry;
+
 		size_t triangles = 0;
 		size_t stuck_triangles = 0;
 		int stuck_clusters = 0;
@@ -456,19 +457,23 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 
 				stuck_clusters++;
 				stuck_triangles += merged.size() / 3;
+				for (size_t j = 0; j < groups[i].size(); ++j)
+					retry.push_back(groups[i][j]);
 				continue; // didn't merge enough
 				          // TODO: this is very suboptimal as it leaves some edges of other clusters permanently locked.
 			}
 
 			float error = 0.f;
 			std::vector<unsigned int> simplified = simplify(vertices, merged, kClusterSize * 2 * 3, &error);
-			if (simplified.size() >= kClusterSize * 3 * 3)
+			if (simplified.size() > kClusterSize * 3 * 3)
 			{
 #if TRACE
 				printf("stuck cluster: simplified triangles %d over threshold\n", int(simplified.size() / 3));
 #endif
 				stuck_clusters++;
 				stuck_triangles += merged.size() / 3;
+				for (size_t j = 0; j < groups[i].size(); ++j)
+					retry.push_back(groups[i][j]);
 				continue; // simplification is stuck; abandon the merge
 			}
 
@@ -507,8 +512,13 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		}
 
 		depth++;
-		printf("lod %d: %d clusters (%d full), %d triangles (%d triangles stuck in %d clusters)\n", depth,
-		    int(pending.size()), full_clusters, int(triangles), int(stuck_triangles), stuck_clusters);
+		printf("lod %d: simplified %d clusters (%d full), %d triangles; stuck %d clusters, %d triangles\n", depth,
+		    int(pending.size()), full_clusters, int(triangles), stuck_clusters, int(stuck_triangles));
+
+		if (triangles < stuck_triangles / 3)
+			break;
+
+		pending.insert(pending.end(), retry.begin(), retry.end());
 	}
 
 	size_t lowest_triangles = 0;

From d33f95e45dee5818a07852921848ee0fa6e77aca Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Sep 2024 19:45:57 -0700
Subject: [PATCH 265/581] demo: Tweak Metis clustering to get more uniform
 subdivision

Also use remapped vertices to identify adjacency for weighting; this
results in better spatial clustering for disconnected components.

Finally, for now triangle clustering requires METIS=2 because it has
complex tradeoffs and is not universally better from what it seems
like...
---
 demo/nanite.cpp | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 2349f757cd..aebe3af50e 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -135,14 +135,18 @@ static void clusterizeMetisRec(std::vector<Cluster>& result, const std::vector<u
 	int options[METIS_NOPTIONS];
 	METIS_SetDefaultOptions(options);
 	options[METIS_OPTION_SEED] = 42;
-	options[METIS_OPTION_UFACTOR] = triidx.size() > 8 * kClusterSize ? 100 : 10;
+	options[METIS_OPTION_UFACTOR] = triidx.size() > 8 * kClusterSize ? 100 : 1;
 
 	int nvtxs = int(triidx.size());
 	int ncon = 1;
 	int nparts = 2;
 	int edgecut = 0;
 
-	int r = METIS_PartGraphRecursive(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, NULL, &nparts, NULL, NULL, options, &edgecut, &part[0]);
+	int nvtxspad = (nvtxs + kClusterSize - 1) / kClusterSize * kClusterSize;
+	int idealcut = ((nvtxspad / kClusterSize) / 2) * kClusterSize;
+	float partw[2] = {idealcut / float(nvtxspad), 1.f - idealcut / float(nvtxspad)};
+
+	int r = METIS_PartGraphRecursive(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, NULL, &nparts, partw, NULL, options, &edgecut, &part[0]);
 	assert(r == METIS_OK);
 	(void)r;
 
@@ -179,7 +183,9 @@ static void clusterizeMetisRec(std::vector<Cluster>& result, const std::vector<u
 
 static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
-	(void)vertices; // for now
+	std::vector<unsigned int> remap(vertices.size());
+	meshopt_Stream stream = {&vertices[0].px, sizeof(float) * 3, sizeof(Vertex)};
+	meshopt_generateVertexRemapMulti(&remap[0], NULL, vertices.size(), vertices.size(), &stream, 1);
 
 	std::map<std::pair<unsigned int, unsigned int>, unsigned int> edges;
 
@@ -187,6 +193,8 @@ static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices,
 	{
 		unsigned int v0 = indices[i + 0];
 		unsigned int v1 = indices[i + (i % 3 == 2 ? -2 : 1)];
+		v0 = remap[v0];
+		v1 = remap[v1];
 
 		// we don't track adjacency fully on non-manifold edges for now
 		edges[std::make_pair(v0, v1)] = unsigned(i / 3);
@@ -197,6 +205,9 @@ static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices,
 	for (size_t i = 0; i < indices.size(); i += 3)
 	{
 		unsigned int v0 = indices[i + 0], v1 = indices[i + 1], v2 = indices[i + 2];
+		v0 = remap[v0];
+		v1 = remap[v1];
+		v2 = remap[v2];
 
 		std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator oab = edges.find(std::make_pair(v1, v0));
 		std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator obc = edges.find(std::make_pair(v2, v1));
@@ -222,7 +233,7 @@ static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, cons
 {
 #ifdef METIS
 	static const char* metis = getenv("METIS");
-	if (metis && atoi(metis))
+	if (metis && atoi(metis) >= 2)
 		return clusterizeMetis(vertices, indices);
 #endif
 
@@ -349,7 +360,7 @@ static std::vector<std::vector<int> > partition(const std::vector<Cluster>& clus
 {
 #ifdef METIS
 	static const char* metis = getenv("METIS");
-	if (metis && atoi(metis))
+	if (metis && atoi(metis) >= 1)
 		return partitionMetis(clusters, pending);
 #endif
 
@@ -395,7 +406,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 	if (metis && atoi(metis))
 	{
 #ifdef METIS
-		printf("using metis\n");
+		printf("using metis for %s\n", atoi(metis) >= 2 ? "both clustering and partition" : "partition only");
 #else
 		printf("ERROR: build does not have metis available\n");
 #endif

From 35a3dbbb33a0ab32f7295c504d56b6d3b45fed0e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Sep 2024 20:17:11 -0700
Subject: [PATCH 266/581] demo: Rework DAG thresholding to be more lenient

Especially Mhen Metis triangle clustering is used, we often get much
smaller clusters in the initial split, because it gets to 129 triangles
and splits that into 64+65. Then partioning may either take three
clusters with sizes a little under 128, or four clusters two of which
are 64/65, and the resulting cluster will be too small to merge.

Instead we remove the merge criteria outright if we have two clusters to
merge, and replace it with percentage reduction. Right now the
percentage is very lenient; it would not be ideal to have every single
level to just be a 85% reduction. However, this can be controlled on a
macro level and ideally we want to prevent the processing getting stuck
if possible.
---
 demo/nanite.cpp | 41 +++++++++++++++++------------------------
 1 file changed, 17 insertions(+), 24 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index aebe3af50e..46efe94059 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -262,10 +262,6 @@ static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, cons
 			clusters[i].indices[j] = meshlet_vertices[meshlet.vertex_offset + meshlet_triangles[meshlet.triangle_offset + j]];
 
 		clusters[i].parent.error = FLT_MAX;
-
-#if TRACE > 1
-		printf("cluster %d: %d triangles\n", int(i), int(meshlet.triangle_count));
-#endif
 	}
 
 	return clusters;
@@ -386,14 +382,13 @@ static std::vector<std::vector<int> > partition(const std::vector<Cluster>& clus
 
 static std::vector<unsigned int> simplify(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, size_t target_count, float* error = NULL)
 {
+	if (target_count > indices.size())
+		return indices;
+
 	std::vector<unsigned int> lod(indices.size());
 	unsigned int options = meshopt_SimplifyLockBorder | meshopt_SimplifySparse | meshopt_SimplifyErrorAbsolute;
 	lod.resize(meshopt_simplify(&lod[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(Vertex), target_count, FLT_MAX, options, error));
 
-#if TRACE > 1
-	printf("cluster: %d => %d triangles\n", int(indices.size() / 3), int(lod.size() / 3));
-#endif
-
 	return lod;
 }
 
@@ -453,33 +448,31 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 			if (groups[i].empty())
 				continue; // metis shortcut
 
-			std::vector<unsigned int> merged;
-			for (size_t j = 0; j < groups[i].size(); ++j)
-				merged.insert(merged.end(), clusters[groups[i][j]].indices.begin(), clusters[groups[i][j]].indices.end());
-
-			if (dump && depth == atoi(dump))
-				dumpObj("group", merged);
-
-			if (merged.size() <= kClusterSize * 3 * 3)
+			if (groups[i].size() == 1)
 			{
 #if TRACE
-				printf("stuck cluster: merged triangles %d under threshold\n", int(merged.size() / 3));
+				printf("stuck cluster: singleton with %d triangles\n", int(clusters[groups[i][0]].indices.size() / 3));
 #endif
 
 				stuck_clusters++;
-				stuck_triangles += merged.size() / 3;
-				for (size_t j = 0; j < groups[i].size(); ++j)
-					retry.push_back(groups[i][j]);
-				continue; // didn't merge enough
-				          // TODO: this is very suboptimal as it leaves some edges of other clusters permanently locked.
+				stuck_triangles += clusters[groups[i][0]].indices.size() / 3;
+				retry.push_back(groups[i][0]);
+				continue;
 			}
 
+			std::vector<unsigned int> merged;
+			for (size_t j = 0; j < groups[i].size(); ++j)
+				merged.insert(merged.end(), clusters[groups[i][j]].indices.begin(), clusters[groups[i][j]].indices.end());
+
+			if (dump && depth == atoi(dump))
+				dumpObj("group", merged);
+
 			float error = 0.f;
 			std::vector<unsigned int> simplified = simplify(vertices, merged, kClusterSize * 2 * 3, &error);
-			if (simplified.size() > kClusterSize * 3 * 3)
+			if (simplified.size() > merged.size() * 0.85f || simplified.size() > kClusterSize * 3 * 3)
 			{
 #if TRACE
-				printf("stuck cluster: simplified triangles %d over threshold\n", int(simplified.size() / 3));
+				printf("stuck cluster: simplified %d => %d over threshold\n", int(merged.size() / 3), int(simplified.size() / 3));
 #endif
 				stuck_clusters++;
 				stuck_triangles += merged.size() / 3;

From 78505ff263cd7a2db1114902ab39f5512fcfc77f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Sep 2024 20:25:34 -0700
Subject: [PATCH 267/581] demo: Use meshopt_generateShadowIndexBuffer instead
 of remap

Remap generation expects count % 3 == 0 right now, and we're just
feeding it our vertices as if they were a triangle buffer. Instead we
can use shadow index buffer for edge matching, which is a little simpler
anyway.
---
 demo/nanite.cpp | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 46efe94059..50539851a8 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -183,18 +183,15 @@ static void clusterizeMetisRec(std::vector<Cluster>& result, const std::vector<u
 
 static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
-	std::vector<unsigned int> remap(vertices.size());
-	meshopt_Stream stream = {&vertices[0].px, sizeof(float) * 3, sizeof(Vertex)};
-	meshopt_generateVertexRemapMulti(&remap[0], NULL, vertices.size(), vertices.size(), &stream, 1);
+	std::vector<unsigned int> shadowib(indices.size());
+	meshopt_generateShadowIndexBuffer(&shadowib[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(float) * 3, sizeof(Vertex));
 
 	std::map<std::pair<unsigned int, unsigned int>, unsigned int> edges;
 
 	for (size_t i = 0; i < indices.size(); ++i)
 	{
-		unsigned int v0 = indices[i + 0];
-		unsigned int v1 = indices[i + (i % 3 == 2 ? -2 : 1)];
-		v0 = remap[v0];
-		v1 = remap[v1];
+		unsigned int v0 = shadowib[i + 0];
+		unsigned int v1 = shadowib[i + (i % 3 == 2 ? -2 : 1)];
 
 		// we don't track adjacency fully on non-manifold edges for now
 		edges[std::make_pair(v0, v1)] = unsigned(i / 3);
@@ -204,10 +201,7 @@ static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices,
 
 	for (size_t i = 0; i < indices.size(); i += 3)
 	{
-		unsigned int v0 = indices[i + 0], v1 = indices[i + 1], v2 = indices[i + 2];
-		v0 = remap[v0];
-		v1 = remap[v1];
-		v2 = remap[v2];
+		unsigned int v0 = shadowib[i + 0], v1 = shadowib[i + 1], v2 = shadowib[i + 2];
 
 		std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator oab = edges.find(std::make_pair(v1, v0));
 		std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator obc = edges.find(std::make_pair(v2, v1));

From e887153c5e2c2dcf68710854920ab37e09a4b313 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Sep 2024 21:12:45 -0700
Subject: [PATCH 268/581] demo: Fix visualization of single clusters

Since this is a separate branch now that happens before the merge, we
should visualize it separately; using a different label helps tell these
apart.
---
 demo/nanite.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 50539851a8..f596f3fe27 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -448,6 +448,9 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 				printf("stuck cluster: singleton with %d triangles\n", int(clusters[groups[i][0]].indices.size() / 3));
 #endif
 
+				if (dump && depth == atoi(dump))
+					dumpObj("cluster", clusters[groups[i][0]].indices);
+
 				stuck_clusters++;
 				stuck_triangles += clusters[groups[i][0]].indices.size() / 3;
 				retry.push_back(groups[i][0]);

From 9ed2fc3c3a0f20909bf8d752902a77d6504ff7da Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Sep 2024 21:53:55 -0700
Subject: [PATCH 269/581] demo: Add introduction comments to nanite.cpp

In general this code needs a lot more work but it is in a state where it
can be useful for testing and development so it's probably a reasonable
place to stop for now.
---
 demo/nanite.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index f596f3fe27..d101a2d62a 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -1,3 +1,9 @@
+// This is a playground for experimenting with algorithms necessary for Nanite like hierarchical clustering
+// The code is not optimized, not robust, and not intended for production use.
+// It optionally supports METIS for clustering and partitioning, with an eventual goal of removing this code
+// in favor of meshopt algorithms.
+
+// For reference, see the original Nanite paper:
 // Brian Karis. Nanite: A Deep Dive. 2021
 #include "../src/meshoptimizer.h"
 
@@ -58,6 +64,7 @@ static LODBounds boundsMerge(const std::vector<Cluster>& clusters, const std::ve
 	LODBounds result = {};
 
 	// we approximate merged bounds center as weighted average of cluster centers
+	// (could also use bounds() center, but we can't use bounds() radius so might as well just merge manually)
 	float weight = 0.f;
 	for (size_t j = 0; j < group.size(); ++j)
 	{

From b0fd7c7a6cf5e87ee634d00de168deb03cb5b050 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 5 Sep 2024 15:21:36 -0700
Subject: [PATCH 270/581] demo: Fix MSVC build to work around getenv
 deprecation

---
 demo/nanite.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index d101a2d62a..0253b87d00 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -5,6 +5,11 @@
 
 // For reference, see the original Nanite paper:
 // Brian Karis. Nanite: A Deep Dive. 2021
+
+#ifndef _CRT_SECURE_NO_WARNINGS
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
 #include "../src/meshoptimizer.h"
 
 #include <float.h>

From fce398f5ee8638d4dd3b4da31f076d39644d75b1 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 5 Sep 2024 18:37:08 -0700
Subject: [PATCH 271/581] demo: Add the average tri/cluster counter to nanite

The "full" counter is a little less helpful for METIS which very often
has almost-full clusters, so add an average as well to gauge the
distribution.

We also now count the number of singleton clusters; these are rare but
it's important that they stay that way for the quality of the partition.
---
 demo/nanite.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 0253b87d00..a52a61a395 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -442,6 +442,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 
 		size_t triangles = 0;
 		size_t stuck_triangles = 0;
+		int single_clusters = 0;
 		int stuck_clusters = 0;
 		int full_clusters = 0;
 
@@ -463,6 +464,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 				if (dump && depth == atoi(dump))
 					dumpObj("cluster", clusters[groups[i][0]].indices);
 
+				single_clusters++;
 				stuck_clusters++;
 				stuck_triangles += clusters[groups[i][0]].indices.size() / 3;
 				retry.push_back(groups[i][0]);
@@ -525,8 +527,8 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		}
 
 		depth++;
-		printf("lod %d: simplified %d clusters (%d full), %d triangles; stuck %d clusters, %d triangles\n", depth,
-		    int(pending.size()), full_clusters, int(triangles), stuck_clusters, int(stuck_triangles));
+		printf("lod %d: simplified %d clusters (%d full, %.1f tri/cl), %d triangles; stuck %d clusters (%d single), %d triangles\n", depth,
+		    int(pending.size()), full_clusters, pending.empty() ? 0 : double(triangles) / double(pending.size()), int(triangles), stuck_clusters, single_clusters, int(stuck_triangles));
 
 		if (triangles < stuck_triangles / 3)
 			break;

From bd1230878d81e3597c920e3d101fdd6f74a3cec6 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 5 Sep 2024 19:16:02 -0700
Subject: [PATCH 272/581] demo: Implement connectivity analysis for meshlets

Since whether meshlet is connected or not is a very important criteria
for how well it will do in a hierarchical clusterization process, we now
compute the number of connected components in meshlet demo and count the
number of meshlets with more than one.

Notably, for now we do this analysis using indices; this means we do
connectivity analysis on original, non-positional, topology, and on some
geometry that looks visually connected we will naturally have many
disconnected meshlets.
---
 demo/main.cpp | 40 ++++++++++++++++++++++++++++++++++++++--
 1 file changed, 38 insertions(+), 2 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 14c52b89c1..6af3422880 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -917,6 +917,18 @@ void shadow(const Mesh& mesh)
 	    (end - start) * 1000);
 }
 
+static int follow(int* parents, int index)
+{
+	while (index != parents[index])
+	{
+		int parent = parents[index];
+		parents[index] = parents[parent];
+		index = parent;
+	}
+
+	return index;
+}
+
 void meshlets(const Mesh& mesh, bool scan)
 {
 	const size_t max_vertices = 64;
@@ -952,6 +964,7 @@ void meshlets(const Mesh& mesh, bool scan)
 	double avg_vertices = 0;
 	double avg_triangles = 0;
 	size_t not_full = 0;
+	size_t not_connected = 0;
 
 	for (size_t i = 0; i < meshlets.size(); ++i)
 	{
@@ -960,14 +973,37 @@ void meshlets(const Mesh& mesh, bool scan)
 		avg_vertices += m.vertex_count;
 		avg_triangles += m.triangle_count;
 		not_full += m.vertex_count < max_vertices;
+
+		// union-find vertices to check if the meshlet is connected
+		int parents[max_vertices];
+		for (unsigned int j = 0; j < m.vertex_count; ++j)
+			parents[j] = int(j);
+
+		for (unsigned int j = 0; j < m.triangle_count * 3; ++j)
+		{
+			int v0 = meshlet_triangles[m.triangle_offset + j];
+			int v1 = meshlet_triangles[m.triangle_offset + j + (j % 3 == 2 ? -2 : 1)];
+
+			v0 = follow(parents, v0);
+			v1 = follow(parents, v1);
+
+			parents[v0] = v1;
+		}
+
+		int roots = 0;
+		for (unsigned int j = 0; j < m.vertex_count; ++j)
+			roots += follow(parents, j) == int(j);
+
+		assert(roots != 0);
+		not_connected += roots > 1;
 	}
 
 	avg_vertices /= double(meshlets.size());
 	avg_triangles /= double(meshlets.size());
 
-	printf("Meshlets%c: %d meshlets (avg vertices %.1f, avg triangles %.1f, not full %d) in %.2f msec\n",
+	printf("Meshlets%c: %d meshlets (avg vertices %.1f, avg triangles %.1f, not full %d, not connected %d) in %.2f msec\n",
 	    scan ? 'S' : ' ',
-	    int(meshlets.size()), avg_vertices, avg_triangles, int(not_full), (end - start) * 1000);
+	    int(meshlets.size()), avg_vertices, avg_triangles, int(not_full), int(not_connected), (end - start) * 1000);
 
 	float camera[3] = {100, 100, 100};
 

From 76db42defaed485b851f10e7be2096e29e58bb9c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tur=C3=A1nszki=20J=C3=A1nos?=
 <turanszkij@users.noreply.github.com>
Date: Fri, 6 Sep 2024 10:27:38 +0200
Subject: [PATCH 273/581] Added Wicked Engine to the engines list

---
 USERS.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/USERS.md b/USERS.md
index f6f19a6efa..fc845f3c61 100644
--- a/USERS.md
+++ b/USERS.md
@@ -33,6 +33,7 @@ If you are shipping an engine that is using meshoptimizer, listing the library i
 - [HypeHype](https://hypehype.com/en)
 - [Roblox](https://www.roblox.com/)
 - [Unigine](https://unigine.com/)
+- [Wicked Engine](https://wickedengine.net/)
 
 meshoptimizer is also used in [Waymo](https://waymo.com/) internal stack.
 

From 58a97497a7537ea4efe8fcd2732150ad3fe57581 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Sep 2024 08:16:47 -0700
Subject: [PATCH 274/581] Update USERS.md

Add Deadlock and Sky to the list of games
Add Flax Engine to the list of engines

Bump up the GitHub star limit further to 5k.
---
 USERS.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/USERS.md b/USERS.md
index fc845f3c61..b67697cd50 100644
--- a/USERS.md
+++ b/USERS.md
@@ -1,6 +1,6 @@
 meshoptimizer is widely used in the games industry as well as in many pipelines for processing 3D content for real-time rendering. This document contains a small selection of projects that rely on meshoptimizer.
 
-For brevity, the projects listed below are limited to commercial software or open source software that has 1000+ stars on GitHub. Please feel free to contribute additions via pull requests.
+For brevity, the projects listed below are limited to commercial software or open source software that has 5000+ stars on GitHub. Please feel free to contribute additions via pull requests.
 
 # Games
 
@@ -10,6 +10,7 @@ If you are shipping a game that is using meshoptimizer, listing the library in t
 - [Baldur's Gate 3 (2023)](https://baldursgate3.game/)
 - [Cities: Skylines II (2023)](https://www.paradoxinteractive.com/games/cities-skylines-ii/about)
 - [Counter-Strike 2 (2023)](https://www.counter-strike.net/cs2)
+- [Deadlock](https://store.steampowered.com/app/1422450/Deadlock/)
 - [Dota 2 (2013)](https://www.dota2.com/home)
 - [Half-Life: Alyx (2020)](https://store.steampowered.com/app/546560/HalfLife_Alyx/)
 - [Jagged Alliance 3 (2023)](https://jaggedalliance3.thqnordic.com/)
@@ -18,6 +19,7 @@ If you are shipping a game that is using meshoptimizer, listing the library in t
 - [Monaco 2](https://store.steampowered.com/app/1063030/Monaco_2/)
 - [Ravenswatch (2023)](https://store.steampowered.com/app/2071280/Ravenswatch/)
 - [The Settlers: New Allies (2023)](https://www.ubisoft.com/en-us/game/the-settlers/new-allies)
+- [Sky: Children of the Light (2019)](https://www.thatskygame.com/)
 - [Stranded: Alien Dawn (2023)](https://www.strandedaliendawn.com/en-US)
 - [Tunnet (2023)](https://store.steampowered.com/app/2286390/Tunnet/)
 
@@ -28,6 +30,7 @@ If you are shipping an engine that is using meshoptimizer, listing the library i
 - [Bevy](https://bevyengine.org/)
 - [bgfx](https://github.com/bkaradzic/bgfx)
 - [filament](https://github.com/google/filament)
+- [Flax Engine](https://flaxengine.com/)
 - [The Forge](https://theforge.dev/)
 - [Godot](https://godotengine.org/)
 - [HypeHype](https://hypehype.com/en)

From afd2682bb33fd5d27234138b74cef19bf7a73b04 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Sep 2024 20:03:11 -0700
Subject: [PATCH 275/581] demo: Add auto-LOD testing mode to simplify demo

Instead of using a controlled ratio with a fixed threshold, we can now
use the distance to the object's surface to scale the expected error and
simplify as much as we can with that limit.

For now we don't carefully account for multi-mesh scenes where the
difference in submesh scale and size would require adjusting the allowed
error, and the scene radius is assumed to be 1 because that's what we
resize it to. This is sufficient for testing this but may improve later.
---
 demo/simplify.html | 37 +++++++++++++++++++++++++++++--------
 1 file changed, 29 insertions(+), 8 deletions(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index 2a345752d4..0baf3c3fd7 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -71,6 +71,8 @@
 				normalWeight: 0.5,
 				colorWeight: 1.0,
 				textureWeight: 0.0,
+				autoLod: false,
+				autoLodFactor: 1.0,
 
 				stats: {
 					triangles: 0,
@@ -116,6 +118,10 @@
 			guiAttributes.push(guiSimplify.add(settings, 'colorWeight', 0, 2, 0.01).onChange(simplify));
 			guiAttributes.push(guiSimplify.add(settings, 'textureWeight', 0, 100, 0.1).onChange(simplify));
 
+			var guiLod = gui.addFolder('LOD');
+			guiLod.add(settings, 'autoLod').onChange(simplify);
+			guiLod.add(settings, 'autoLodFactor', 0, 10, 0.01).onChange(simplify);
+
 			var guiLoad = gui.addFolder('Load');
 			guiLoad.add(settings, 'loadFile');
 			guiLoad.add(settings, 'updateModule');
@@ -138,7 +144,7 @@
 				}
 			}
 
-			function simplifyMesh(geo) {
+			function simplifyMesh(geo, threshold) {
 				if (settings.weldVertices) {
 					// pre-welding is important for some meshes that have very close normals in adjacent face corners
 					// for now we use the welder from three.js; this is not as performant as it could be
@@ -149,7 +155,7 @@
 
 				var positions = new Float32Array(geo.attributes.position.array);
 				var indices = new Uint32Array(geo.index.array); // needed for _InternalDebug to work
-				var target = Math.floor((indices.length * settings.ratio) / 3) * 3;
+				var target = settings.autoLod ? 0 : Math.floor((indices.length * settings.ratio) / 3) * 3;
 
 				if (settings.useAttributes) {
 					var attrib = new Float32Array(geo.attributes.position.count * attributes);
@@ -190,7 +196,6 @@
 					flags.push('LockBorder');
 				}
 
-				var threshold = Math.pow(10, -settings.errorThresholdLog10);
 				var stride = geo.attributes.position instanceof THREE.InterleavedBufferAttribute ? geo.attributes.position.data.stride : 3;
 
 				console.time('simplify');
@@ -297,6 +302,21 @@
 					var vertices = 0;
 					var error = 0;
 
+					var threshold = Math.pow(10, -settings.errorThresholdLog10);
+
+					if (settings.autoLod) {
+						// subtract 1 because we assume model radius is 1.0, so this is a distance-to-sphere
+						// ideally this should actually use the real radius :) but we rescale the model to fit a unit box
+						var distance = Math.max(camera.position.distanceTo(model.position) - 1, 0);
+						var loderrortarget = 1e-3; // ~1 pixel at 1k x 1k
+
+						// note: we are currently cutting corners wrt handling the actual mesh scale
+						// since we rescale the entire scene to fit a unit box, we can directly feed the threshold
+						// this works correctly if there's just one mesh or scales match; ideally we tweak this to compute
+						// threshold per mesh based on relative scale between mesh and scene.
+						threshold = distance * loderrortarget * settings.autoLodFactor;
+					}
+
 					scene.traverse(function (object) {
 						if (object.isMesh) {
 							if (!object.original) {
@@ -316,7 +336,7 @@
 								];
 							}
 
-							var [geo, tri, err] = simplifyMesh(object.original);
+							var [geo, tri, err] = simplifyMesh(object.original, threshold);
 
 							object.geometry = geo;
 
@@ -405,11 +425,11 @@
 						model = gltf.scene;
 
 						var bbox = new THREE.Box3().setFromObject(model);
-						var scale = 2 / (bbox.max.y - bbox.min.y);
-						var offset = (-(bbox.min.y + bbox.max.y) / 2) * scale;
+						var scale = 2 / Math.max(bbox.max.x - bbox.min.x, bbox.max.y - bbox.min.y, bbox.max.z - bbox.min.z);
+						var offset = new THREE.Vector3().addVectors(bbox.max, bbox.min).multiplyScalar(scale / 2);
 
 						model.scale.set(scale, scale, scale);
-						model.position.set(0, offset, 0);
+						model.position.set(-offset.x, -offset.y, -offset.z);
 
 						scene.add(model);
 
@@ -435,11 +455,12 @@
 
 				window.addEventListener('resize', onWindowResize, false);
 
-				camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.01, 100);
+				camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 1000);
 				camera.position.y = 1.0;
 				camera.position.z = 3.0;
 
 				controls = new OrbitControls(camera, renderer.domElement);
+				controls.addEventListener('change', simplify);
 
 				scene = new THREE.Scene();
 				scene.background = new THREE.Color(0x300a24);

From 40b5d79a210e995cf5174640b3cdbf9e13b30557 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Sep 2024 20:26:22 -0700
Subject: [PATCH 276/581] demo: Add a total simplified ratio to the page

This makes the demo easier to use in auto-LOD mode. Also:

- Fix the distance calculation; since we recenter the model, we
  effectively move the model's bounding sphere to origin
- Fix the repeated simplification when auto-LOD is off and camera moves
---
 demo/simplify.html | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index 0baf3c3fd7..b9ae5b38db 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -44,6 +44,7 @@
 	<body>
 		<div id="info">
 			<a href="https://github.com/zeux/meshoptimizer" target="_blank" rel="noopener">meshoptimizer</a>
+			<div id="ratio"></div>
 		</div>
 
 		<script type="module">
@@ -298,6 +299,9 @@
 				MeshoptSimplifier.ready.then(function () {
 					MeshoptSimplifier.useExperimentalFeatures = true;
 
+					var rnum = 0;
+					var rden = 0;
+
 					var triangles = 0;
 					var vertices = 0;
 					var error = 0;
@@ -305,9 +309,11 @@
 					var threshold = Math.pow(10, -settings.errorThresholdLog10);
 
 					if (settings.autoLod) {
-						// subtract 1 because we assume model radius is 1.0, so this is a distance-to-sphere
-						// ideally this should actually use the real radius :) but we rescale the model to fit a unit box
-						var distance = Math.max(camera.position.distanceTo(model.position) - 1, 0);
+						// compute distance to model sphere
+						// ideally this should actually use the real radius and center :) but we rescale/center the model when loading
+						var center = new THREE.Vector3();
+						var radius = 1;
+						var distance = Math.max(camera.position.distanceTo(center) - radius, 0);
 						var loderrortarget = 1e-3; // ~1 pixel at 1k x 1k
 
 						// note: we are currently cutting corners wrt handling the actual mesh scale
@@ -343,17 +349,23 @@
 							error = Math.max(error, err); // note: we are ignoring the possibility of different mesh scales atm
 							triangles += tri;
 							vertices += object.geometry.attributes.position.count;
+							rnum += tri;
+							rden += object.original.index.count / 3;
 						}
 						if (object.isPoints) {
 							simplifyPoints(object.geometry);
 
-							vertices += object.geometry.attributes.position.count;
+							vertices += object.geometry.index.count;
+							rnum += object.geometry.index.count;
+							rden += object.geometry.attributes.position.count;
 						}
 					});
 
 					settings.stats.triangles = triangles;
 					settings.stats.vertices = vertices;
 					settings.stats.error = error.toExponential(3);
+
+					document.getElementById('ratio').innerText = ((rnum / rden) * 100).toFixed(1) + '%';
 				});
 			}
 
@@ -460,7 +472,12 @@
 				camera.position.z = 3.0;
 
 				controls = new OrbitControls(camera, renderer.domElement);
-				controls.addEventListener('change', simplify);
+
+				controls.addEventListener('change', function () {
+					if (settings.autoLod) {
+						simplify();
+					}
+				});
 
 				scene = new THREE.Scene();
 				scene.background = new THREE.Color(0x300a24);

From 47fb0e08ff57c001d2e2d08d69d6fc1b0c341eb8 Mon Sep 17 00:00:00 2001
From: Ono-Sendai <nick@indigorenderer.com>
Date: Mon, 9 Sep 2024 22:07:52 +1200
Subject: [PATCH 277/581] Fix spelling mistake.

---
 src/meshoptimizer.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 89a3a33424..d754167245 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -370,7 +370,7 @@ MESHOPTIMIZER_API size_t meshopt_simplify(unsigned int* destination, const unsig
 
 /**
  * Experimental: Mesh simplifier with attribute metric
- * The algorithm ehnahces meshopt_simplify by incorporating attribute values into the error metric used to prioritize simplification order; see meshopt_simplify documentation for details.
+ * The algorithm enhances meshopt_simplify by incorporating attribute values into the error metric used to prioritize simplification order; see meshopt_simplify documentation for details.
  * Note that the number of attributes affects memory requirements and running time; this algorithm requires ~1.5x more memory and time compared to meshopt_simplify when using 4 scalar attributes.
  *
  * vertex_attributes should have attribute_count floats for each vertex

From 7a4371960d0ca52b247140acd206b8be4852a9ac Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 9 Sep 2024 10:35:38 -0700
Subject: [PATCH 278/581] demo: Take camera field of view into account for LOD
 target

The field of view is fixed at 45 degrees right now but this makes the
computation more future proof.
---
 demo/simplify.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index b9ae5b38db..e44bdae0b2 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -314,7 +314,7 @@
 						var center = new THREE.Vector3();
 						var radius = 1;
 						var distance = Math.max(camera.position.distanceTo(center) - radius, 0);
-						var loderrortarget = 1e-3; // ~1 pixel at 1k x 1k
+						var loderrortarget = 1e-3 * Math.tan(camera.fov * 0.5 * (Math.PI / 180)); // ~1 pixel at 1k x 1k
 
 						// note: we are currently cutting corners wrt handling the actual mesh scale
 						// since we rescale the entire scene to fit a unit box, we can directly feed the threshold

From c8d4613335f7516a5ed96db59665ac76de693808 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 11 Sep 2024 11:11:33 -0700
Subject: [PATCH 279/581] Update README.md

Clarify usage of target_error and target_index_count in case only one of
these limits is desired.

Add a small example showing how to use the scaled error to select LOD
based on the distance to the mesh bounds and camera field of view.
---
 README.md | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 6c67a5c90e..7570c4113b 100644
--- a/README.md
+++ b/README.md
@@ -286,6 +286,8 @@ lod.resize(meshopt_simplify(&lod[0], indices, index_count, &vertices[0].x, verte
 
 Target error is an approximate measure of the deviation from the original mesh using distance normalized to `[0..1]` range (e.g. `1e-2f` means that simplifier will try to maintain the error to be below 1% of the mesh extents). Note that the simplifier attempts to produce the requested number of indices at minimal error, but because of topological restrictions and error limit it is not guaranteed to reach the target index count and can stop earlier.
 
+To disable the error limit, `target_error` can be set to `FLT_MAX`. This makes it more likely that the simplifier will reach the target index count, but it may produce a mesh that looks significantly different from the original, so using the resulting error to control viewing distance would be required. Conversely, setting `target_index_count` to 0 will simplify the input mesh as much as possible within the specified error limit; this can be useful for generating LODs that should look good at a given viewing distance.
+
 The second simplification algorithm, `meshopt_simplifySloppy`, doesn't follow the topology of the original mesh. This means that it doesn't preserve attribute seams or borders, but it can collapse internal details that are too small to matter better because it can merge mesh features that are topologically disjoint but spatially close.
 
 ```c++
@@ -301,9 +303,15 @@ lod.resize(meshopt_simplifySloppy(&lod[0], indices, index_count, &vertices[0].x,
 
 This algorithm will not stop early due to topology restrictions but can still do so if target index count can't be reached without introducing an error larger than target. It is 5-6x faster than `meshopt_simplify` when simplification ratio is large, and is able to reach ~20M triangles/sec on a desktop CPU (`meshopt_simplify` works at ~3M triangles/sec).
 
-When a sequence of LOD meshes is generated that all use the original vertex buffer, care must be taken to order vertices optimally to not penalize mobile GPU architectures that are only capable of transforming a sequential vertex buffer range. It's recommended in this case to first optimize each LOD for vertex cache, then assemble all LODs in one large index buffer starting from the coarsest LOD (the one with fewest triangles), and call `meshopt_optimizeVertexFetch` on the final large index buffer. This will make sure that coarser LODs require a smaller vertex range and are efficient wrt vertex fetch and transform.
+Both algorithms can also return the resulting normalized deviation that can be used to choose the correct level of detail based on screen size or solid angle; the error can be converted to object space by multiplying by the scaling factor returned by `meshopt_simplifyScale`. For example, given a mesh with a precomputed LOD and a prescaled error, the screen-space normalized error can be computed and used for LOD selection:
+
+```c++
+float d = max(0, distance(camera_position, mesh_center) - mesh_radius);
+float e = d * (tan(camera_fovy / 2) * 2 / 1000); // assume ~1000 px vertical resolution
+bool lod_ok = e * lod_factor >= lod_error; // lod_factor can be 1 or can be adjusted for more or less aggressive LOD selection
+```
 
-Both algorithms can also return the resulting normalized deviation that can be used to choose the correct level of detail based on screen size or solid angle; the error can be converted to world space by multiplying by the scaling factor returned by `meshopt_simplifyScale`.
+When a sequence of LOD meshes is generated that all use the original vertex buffer, care must be taken to order vertices optimally to not penalize mobile GPU architectures that are only capable of transforming a sequential vertex buffer range. It's recommended in this case to first optimize each LOD for vertex cache, then assemble all LODs in one large index buffer starting from the coarsest LOD (the one with fewest triangles), and call `meshopt_optimizeVertexFetch` on the final large index buffer. This will make sure that coarser LODs require a smaller vertex range and are efficient wrt vertex fetch and transform.
 
 ## Advanced simplification
 

From bfbbaddf38d6fc2311ba66762c6f7656a7c8dd79 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 11 Sep 2024 11:52:12 -0700
Subject: [PATCH 280/581] Update README.md

Clarify the inclusion of attribute error for attribute simplification
and suggest a range around 1.0 for unit attributes.
---
 README.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 7570c4113b..a209baebd2 100644
--- a/README.md
+++ b/README.md
@@ -336,7 +336,9 @@ lod.resize(meshopt_simplifyWithAttributes(&lod[0], indices, index_count, &vertic
     target_index_count, target_error, /* options= */ 0, &lod_error));
 ```
 
-The attributes are passed as a separate buffer (in the example above it's a subset of the same vertex buffer) and should be stored as consecutive floats; attribute weights are used to control the importance of each attribute in the simplification process.
+The attributes are passed as a separate buffer (in the example above it's a subset of the same vertex buffer) and should be stored as consecutive floats; attribute weights are used to control the importance of each attribute in the simplification process. For normalized attributes like normals and vertex colors, a weight around 1.0 is usually appropriate; internally, a change of `1/weight` in attribute value over a distance `d` is approximately equivalent to a change of `d` in position. Using higher weights may be appropriate to preserve attribute quality at the cost of position quality. If the attribute has a different scale (e.g. unnormalized vertex colors in [0..255] range), the weight should be divided by the scaling factor (1/255 in this example).
+
+Both the target error and the resulting error combine positional error and attribute error, so the error can be used to control the LOD while taking attribute quality into account, assuming carefully chosen weights.
 
 When using `meshopt_simplifyWithAttributes`, it is also possible to lock certain vertices by providing a `vertex_lock` array that contains a boolean value for each vertex in the mesh. This can be useful to preserve certain vertices, such as the boundary of the mesh, with more control than `meshopt_SimplifyLockBorder` option provides.
 

From b0eaf6ab943bd1f461a75cfc15d28d68a21a36c1 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 12 Sep 2024 16:17:13 -0700
Subject: [PATCH 281/581] gltfpack: Add build support for new basisu library

A few small changes are necessary to compile the newly added code and to
adjust to the new name of the parameter we were setting.

Note that the new version re-adds some debug prints that will need to be
removed, and the threading patch needs to be backported for performance
to be comparable; otherwise it seems to work correctly though.
---
 gltf/basisenc.cpp |  5 +++++
 gltf/basislib.cpp | 10 +++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/gltf/basisenc.cpp b/gltf/basisenc.cpp
index c415d2c5ef..c29e3a0360 100644
--- a/gltf/basisenc.cpp
+++ b/gltf/basisenc.cpp
@@ -84,7 +84,12 @@ static void fillParams(basisu::basis_compressor_params& params, const char* inpu
 	}
 
 	params.m_read_source_images = true;
+
+#if BASISU_LIB_VERSION >= 150
+	params.m_write_output_basis_or_ktx2_files = true;
+#else
 	params.m_write_output_basis_files = true;
+#endif
 
 	params.m_source_filenames.resize(1);
 	params.m_source_filenames[0] = input;
diff --git a/gltf/basislib.cpp b/gltf/basislib.cpp
index e26499061a..80a76ae4be 100644
--- a/gltf/basislib.cpp
+++ b/gltf/basislib.cpp
@@ -45,6 +45,15 @@
 #define NOMINMAX
 #endif
 
+#include "transcoder/basisu_transcoder.cpp"
+
+#if BASISD_LIB_VERSION >= 150
+#include "encoder/3rdparty/android_astc_decomp.cpp"
+#include "encoder/3rdparty/tinyexr.cpp"
+#include "encoder/basisu_astc_hdr_enc.cpp"
+#undef MINIZ_HEADER_FILE_ONLY // to avoid redefinition warnings
+#endif
+
 #include "encoder/basisu_backend.cpp"
 #include "encoder/basisu_basis_file.cpp"
 #include "encoder/basisu_bc7enc.cpp"
@@ -62,7 +71,6 @@
 #include "encoder/basisu_uastc_enc.cpp"
 #include "encoder/jpgd.cpp"
 #include "encoder/pvpngreader.cpp"
-#include "transcoder/basisu_transcoder.cpp"
 
 #undef CLAMP
 #include "zstd/zstd.c"

From 6177c59275f0b0c23db2918d24286713520242c0 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 13 Sep 2024 22:43:39 -0700
Subject: [PATCH 282/581] gltfpack: Use UTF-8 encoding during gltfpack
 processing

When main() is used, the inputs are ANSI according to the current code
page; this is fine if the file paths can be converted to ANSI, but may
fail to open some files and will use ANSI file paths inside .gltf files
which violates glTF specification.

This can be worked around by using UTF8 as ANSI code page via a
manifest; however, to avoid having to bundle a manifest we can also
convert the command line arguments to UTF8 and set UTF8 as the codepage
instead.

This requires Windows 10 1803; on earlier Windows versions setlocale
should silently fail so this should be more or less equivalent to the
previous code.
---
 gltf/gltfpack.cpp | 39 +++++++++++++++++++++++++++++++++------
 1 file changed, 33 insertions(+), 6 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 631095a34f..b2d96ae7e5 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -1217,12 +1217,8 @@ unsigned int textureMask(const char* arg)
 }
 
 #ifndef GLTFFUZZ
-int main(int argc, char** argv)
+int run(int argc, char** argv)
 {
-#ifndef __wasi__
-	setlocale(LC_ALL, "C"); // disable locale specific convention for number parsing/printing
-#endif
-
 	meshopt_encodeVertexVersion(0);
 	meshopt_encodeIndexVersion(1);
 
@@ -1633,12 +1629,43 @@ int main(int argc, char** argv)
 }
 #endif
 
+#if !defined(_WIN32) && !defined(__wasi__)
+int main(int argc, char** argv)
+{
+	setlocale(LC_ALL, "C"); // disable locale specific convention for number parsing/printing
+	return run(argc, argv);
+}
+#endif
+
+#ifdef _WIN32
+int wmain(int argc, wchar_t* argv[])
+{
+	setlocale(LC_ALL, "en_us.utf8"); // use utf8 as ansi codepage
+
+	std::vector<char*> args;
+	for (int i = 0; i < argc; ++i)
+	{
+		std::mbstate_t state = {};
+		const wchar_t* argw = argv[i];
+		size_t len = wcsrtombs(NULL, &argw, 0, &state);
+		if (len == size_t(-1))
+			return -1;
+
+		char* argu = new char[len + 1];
+		wcsrtombs(argu, &argw, len + 1, &state);
+		args.push_back(argu);
+	}
+
+	return run(int(args.size()), args.data());
+}
+#endif
+
 #ifdef __wasi__
 extern "C" int pack(int argc, char** argv)
 {
 	chdir("/gltfpack-$pwd");
 
-	int result = main(argc, argv);
+	int result = run(argc, argv);
 	fflush(NULL);
 	return result;
 }

From 75b4a577cf13e2dbc247b274b794c33f14dd4138 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 13 Sep 2024 22:58:31 -0700
Subject: [PATCH 283/581] gltfpack: Switch from manual UTF8 conversion to a
 manifest

Since CMake supports manifest files as sources, it's a little easier to
specify UTF-8 as the ANSI encoding via that; this is embedded into .exe
and is used for command line arguments as well so the rest of the code
just works.
---
 CMakeLists.txt         |  4 ++++
 gltf/gltfpack.cpp      | 39 ++++++---------------------------------
 gltf/gltfpack.manifest |  9 +++++++++
 3 files changed, 19 insertions(+), 33 deletions(-)
 create mode 100644 gltf/gltfpack.manifest

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 41014cfdb1..3b17642714 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -58,6 +58,10 @@ set(GLTF_SOURCES
     gltf/write.cpp
 )
 
+if(WIN32)
+    list(APPEND GLTF_SOURCES gltf/gltfpack.manifest)
+endif()
+
 if(MSVC)
     add_compile_options(/W4)
 else()
diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index b2d96ae7e5..631095a34f 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -1217,8 +1217,12 @@ unsigned int textureMask(const char* arg)
 }
 
 #ifndef GLTFFUZZ
-int run(int argc, char** argv)
+int main(int argc, char** argv)
 {
+#ifndef __wasi__
+	setlocale(LC_ALL, "C"); // disable locale specific convention for number parsing/printing
+#endif
+
 	meshopt_encodeVertexVersion(0);
 	meshopt_encodeIndexVersion(1);
 
@@ -1629,43 +1633,12 @@ int run(int argc, char** argv)
 }
 #endif
 
-#if !defined(_WIN32) && !defined(__wasi__)
-int main(int argc, char** argv)
-{
-	setlocale(LC_ALL, "C"); // disable locale specific convention for number parsing/printing
-	return run(argc, argv);
-}
-#endif
-
-#ifdef _WIN32
-int wmain(int argc, wchar_t* argv[])
-{
-	setlocale(LC_ALL, "en_us.utf8"); // use utf8 as ansi codepage
-
-	std::vector<char*> args;
-	for (int i = 0; i < argc; ++i)
-	{
-		std::mbstate_t state = {};
-		const wchar_t* argw = argv[i];
-		size_t len = wcsrtombs(NULL, &argw, 0, &state);
-		if (len == size_t(-1))
-			return -1;
-
-		char* argu = new char[len + 1];
-		wcsrtombs(argu, &argw, len + 1, &state);
-		args.push_back(argu);
-	}
-
-	return run(int(args.size()), args.data());
-}
-#endif
-
 #ifdef __wasi__
 extern "C" int pack(int argc, char** argv)
 {
 	chdir("/gltfpack-$pwd");
 
-	int result = run(argc, argv);
+	int result = main(argc, argv);
 	fflush(NULL);
 	return result;
 }
diff --git a/gltf/gltfpack.manifest b/gltf/gltfpack.manifest
new file mode 100644
index 0000000000..324aa6d6a3
--- /dev/null
+++ b/gltf/gltfpack.manifest
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+  <assemblyIdentity type="win32" name="..." version="6.0.0.0"/>
+  <application>
+    <windowsSettings>
+      <activeCodePage xmlns="http://schemas.microsoft.com/SMI/2019/WindowsSettings">UTF-8</activeCodePage>
+    </windowsSettings>
+  </application>
+</assembly>

From e50eac84d9d208d00cdfcc2d4054b2e8ce70132e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 16 Sep 2024 09:17:11 -0700
Subject: [PATCH 284/581] gltfpack: Fix rotation deviation calculation

acos(dot(q1, q2)) returns half-angle of rotation between two
quaternions, so our deviation was off by 2x.

This should not have a significant effect on constant track detection
but it makes the thresholds more accurate and may help with future
animation optimizations.
---
 gltf/animation.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gltf/animation.cpp b/gltf/animation.cpp
index fe9b04dedf..27381254c3 100644
--- a/gltf/animation.cpp
+++ b/gltf/animation.cpp
@@ -15,7 +15,7 @@ static float getDelta(const Attr& l, const Attr& r, cgltf_animation_path_type ty
 		return std::max(std::max(fabsf(l.f[0] - r.f[0]), fabsf(l.f[1] - r.f[1])), fabsf(l.f[2] - r.f[2]));
 
 	case cgltf_animation_path_type_rotation:
-		return acosf(std::min(1.f, fabsf(l.f[0] * r.f[0] + l.f[1] * r.f[1] + l.f[2] * r.f[2] + l.f[3] * r.f[3])));
+		return 2 * acosf(std::min(1.f, fabsf(l.f[0] * r.f[0] + l.f[1] * r.f[1] + l.f[2] * r.f[2] + l.f[3] * r.f[3])));
 
 	case cgltf_animation_path_type_scale:
 		return std::max(std::max(fabsf(l.f[0] / r.f[0] - 1), fabsf(l.f[1] / r.f[1] - 1)), fabsf(l.f[2] / r.f[2] - 1));

From 5c8639ae868132198aa3ad49eed89f32af556174 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 16 Sep 2024 17:43:37 -0700
Subject: [PATCH 285/581] simplify: Improve pass collapse tracing code

We now record the reason for each pass termination and adjust edge
collapse goal logic to match the code we are actually using for
rejection; previously, goal in the log was used as an "ideal" error
assuming no collapses are locked in progress but that is not realistic.

We now display the actual goal used or, if the collapse list is
exhausted, the error limit, which should be more clear.
---
 src/simplifier.cpp | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 10839173fe..6edcf3724a 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1102,7 +1102,7 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 	size_t edge_collapse_goal = triangle_collapse_goal / 2;
 
 #if TRACE
-	size_t stats[4] = {};
+	size_t stats[7] = {};
 #endif
 
 	for (size_t i = 0; i < collapse_count; ++i)
@@ -1112,10 +1112,16 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 		TRACESTATS(0);
 
 		if (c.error > error_limit)
+		{
+			TRACESTATS(4);
 			break;
+		}
 
 		if (triangle_collapses >= triangle_collapse_goal)
+		{
+			TRACESTATS(5);
 			break;
+		}
 
 		// we limit the error in each pass based on the error of optimal last collapse; since many collapses will be locked
 		// as they will share vertices with other successfull collapses, we need to increase the acceptable error by some factor
@@ -1124,7 +1130,10 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 		// on average, each collapse is expected to lock 6 other collapses; to avoid degenerate passes on meshes with odd
 		// topology, we only abort if we got over 1/6 collapses accordingly.
 		if (c.error > error_goal && triangle_collapses > triangle_collapse_goal / 6)
+		{
+			TRACESTATS(6);
 			break;
+		}
 
 		unsigned int i0 = c.v0;
 		unsigned int i1 = c.v1;
@@ -1216,11 +1225,13 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 	}
 
 #if TRACE
-	float error_goal_perfect = edge_collapse_goal < collapse_count ? collapses[collapse_order[edge_collapse_goal]].error : 0.f;
+	float error_goal_last = edge_collapse_goal < collapse_count ? 1.5f * collapses[collapse_order[edge_collapse_goal]].error : FLT_MAX;
+	float error_goal_limit = error_goal_last < error_limit ? error_goal_last : error_limit;
 
-	printf("removed %d triangles, error %e (goal %e); evaluated %d/%d collapses (done %d, skipped %d, invalid %d)\n",
-	    int(triangle_collapses), sqrtf(result_error), sqrtf(error_goal_perfect),
-	    int(stats[0]), int(collapse_count), int(edge_collapses), int(stats[1]), int(stats[2]));
+	printf("removed %d triangles, error %e (goal %e); evaluated %d/%d collapses (done %d, skipped %d, invalid %d); %s\n",
+	    int(triangle_collapses), sqrtf(result_error), sqrtf(error_goal_limit),
+	    int(stats[0]), int(collapse_count), int(edge_collapses), int(stats[1]), int(stats[2]),
+	    stats[4] ? "error limit" : (stats[5] ? "count limit" : (stats[6] ? "error goal" : "out of collapses")));
 #endif
 
 	return edge_collapses;

From 17e02c49d040d370ef4d8bd6b8c8083cb11c7c7d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 16 Sep 2024 18:15:06 -0700
Subject: [PATCH 286/581] simplify: Avoid early termination of passes due to
 error_goal

In large meshes with complex topology we occasionally hit a case where
error_goal cutoff is not monotonic: a previous pass would simplify up to
a certain goal, but a subsequent pass would arrive at a smaller goal
(for example as invalid collapses get eliminated) and hit it before an
error that it already encountered.

If we already collapsed an edge with a given error it is always correct
to collapse other edges with a smaller error. This change tweaks the
conditional, which results in fewer passes on some meshes (eg
thai_buddha gets ~10% faster to simplify), 2-3% smaller error on some
meshes, and occasionally 1-2% larger error; most meshes simplify as they
did before however.
---
 src/simplifier.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 6edcf3724a..b6f8221259 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1129,7 +1129,7 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 
 		// on average, each collapse is expected to lock 6 other collapses; to avoid degenerate passes on meshes with odd
 		// topology, we only abort if we got over 1/6 collapses accordingly.
-		if (c.error > error_goal && triangle_collapses > triangle_collapse_goal / 6)
+		if (c.error > error_goal && c.error > result_error && triangle_collapses > triangle_collapse_goal / 6)
 		{
 			TRACESTATS(6);
 			break;

From 9dddd2f866c196c19406a3e0284ebb21d964b624 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 17 Sep 2024 12:33:03 -0700
Subject: [PATCH 287/581] simplify: Improve precision of collapse error sorting

We use a subset of bits of collapse error to produce an approximate
ordering of collapses; to keep stack usage and cache utilization
reasonable, we used 11-bit counting sort which uses 8 bits of exponent
and 3 bits of mantissa.

3 bits of mantissa may not be enough and can result in choosing
suboptimal collapse order. Ideally we should probably use 5 bits here,
but that needs much more stack space.

For now, switch to 8+4 bits but to avoid doubling the stack usage,
constrain the exponent range on the high end so that excessively high
errors (>2^32) are bucketed together, as they are not useful.

In the future there's an opportunity to similarly constrain exponent
space on low end by clamping errors that are too low to zero.

In addition to improving the error selection in some cases this also can
sometimes reduce the amount of simplification passes as eligible
collapses in error limited regime get sorted better and can be processed
earlier.
---
 demo/tests.cpp     |  2 +-
 src/simplifier.cpp | 18 +++++++++++++-----
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index f07919f07a..aef1aae55d 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1151,7 +1151,7 @@ static void simplifyAttr(bool skip_g)
 		{
 			vb[y * 3 + x][0] = float(x);
 			vb[y * 3 + x][1] = float(y);
-			vb[y * 3 + x][2] = 0.03f * x + 0.03f * (y % 2);
+			vb[y * 3 + x][2] = 0.03f * x + 0.03f * (y % 2) + (x == 2 && y == 7) * 0.03f;
 			vb[y * 3 + x][3] = r;
 			vb[y * 3 + x][4] = g;
 			vb[y * 3 + x][5] = b;
diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index b6f8221259..6db2a17041 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1056,16 +1056,22 @@ static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const
 
 static void sortEdgeCollapses(unsigned int* sort_order, const Collapse* collapses, size_t collapse_count)
 {
-	const int sort_bits = 11;
+	// we use counting sort to order collapses by error; since the exact sort order is not as critical,
+	// only top 12 bits of exponent+mantissa (8 bits of exponent and 4 bits of mantissa) are used.
+	// to avoid excessive stack usage, we clamp the exponent range as collapses with errors much higher than 1 are not useful.
+	const unsigned int sort_bits = 12;
+	const unsigned int sort_bins = 2048 + 512; // exponent range [-127, 32)
 
 	// fill histogram for counting sort
-	unsigned int histogram[1 << sort_bits];
+	unsigned int histogram[sort_bins];
 	memset(histogram, 0, sizeof(histogram));
 
 	for (size_t i = 0; i < collapse_count; ++i)
 	{
 		// skip sign bit since error is non-negative
-		unsigned int key = (collapses[i].errorui << 1) >> (32 - sort_bits);
+		unsigned int error = collapses[i].errorui;
+		unsigned int key = (error << 1) >> (32 - sort_bits);
+		key = key < sort_bins ? key : sort_bins - 1;
 
 		histogram[key]++;
 	}
@@ -1073,7 +1079,7 @@ static void sortEdgeCollapses(unsigned int* sort_order, const Collapse* collapse
 	// compute offsets based on histogram data
 	size_t histogram_sum = 0;
 
-	for (size_t i = 0; i < 1 << sort_bits; ++i)
+	for (size_t i = 0; i < sort_bins; ++i)
 	{
 		size_t count = histogram[i];
 		histogram[i] = unsigned(histogram_sum);
@@ -1086,7 +1092,9 @@ static void sortEdgeCollapses(unsigned int* sort_order, const Collapse* collapse
 	for (size_t i = 0; i < collapse_count; ++i)
 	{
 		// skip sign bit since error is non-negative
-		unsigned int key = (collapses[i].errorui << 1) >> (32 - sort_bits);
+		unsigned int error = collapses[i].errorui;
+		unsigned int key = (error << 1) >> (32 - sort_bits);
+		key = key < sort_bins ? key : sort_bins - 1;
 
 		sort_order[histogram[key]++] = unsigned(i);
 	}

From 52e8e1f61712928a36b5257a894bb098a4a98b22 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 17 Sep 2024 14:31:40 -0700
Subject: [PATCH 288/581] Reformat workflow YAML files with Prettier

We were apparently using an indentation style that is inconsistent with
industry practice; this is necessary for editors with format-on-save to
work.
---
 .github/workflows/build.yml   | 290 +++++++++++++++++-----------------
 .github/workflows/cifuzz.yml  |  40 ++---
 .github/workflows/release.yml | 100 ++++++------
 3 files changed, 215 insertions(+), 215 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a9e0f74221..a20ce90108 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,27 +14,27 @@ jobs:
   unix:
     strategy:
       matrix:
-        os: [{name: ubuntu, version: ubuntu-latest}, {name: macos-intel, version: macos-13}, {name: macos-arm, version: macos-14}]
+        os: [{ name: ubuntu, version: ubuntu-latest }, { name: macos-intel, version: macos-13 }, { name: macos-arm, version: macos-14 }]
     name: ${{matrix.os.name}}
     runs-on: ${{matrix.os.version}}
     steps:
-    - uses: actions/checkout@v4
-    - name: work around ASLR+ASAN compatibility
-      run: sudo sysctl -w vm.mmap_rnd_bits=28
-      if: matrix.os.name == 'ubuntu'
-    - name: make test
-      run: |
-        make -j2 config=sanitize test
-        make -j2 config=debug test
-        make -j2 config=release test
-        make -j2 config=coverage test
-    - name: make gltfpack
-      run: make -j2 config=release gltfpack
-    - name: upload coverage
-      run: |
-        find . -type f -name '*.gcno' -exec gcov -p {} +
-        sed -i -e "s/#####\(.*\)\(\/\/ unreachable.*\)/    -\1\2/" *.gcov
-        bash <(curl -s https://codecov.io/bash) -f './src*.gcov' -X search -t ${{secrets.CODECOV_TOKEN}} -B ${{github.ref}}
+      - uses: actions/checkout@v4
+      - name: work around ASLR+ASAN compatibility
+        run: sudo sysctl -w vm.mmap_rnd_bits=28
+        if: matrix.os.name == 'ubuntu'
+      - name: make test
+        run: |
+          make -j2 config=sanitize test
+          make -j2 config=debug test
+          make -j2 config=release test
+          make -j2 config=coverage test
+      - name: make gltfpack
+        run: make -j2 config=release gltfpack
+      - name: upload coverage
+        run: |
+          find . -type f -name '*.gcno' -exec gcov -p {} +
+          sed -i -e "s/#####\(.*\)\(\/\/ unreachable.*\)/    -\1\2/" *.gcov
+          bash <(curl -s https://codecov.io/bash) -f './src*.gcov' -X search -t ${{secrets.CODECOV_TOKEN}} -B ${{github.ref}}
 
   windows:
     runs-on: windows-latest
@@ -42,154 +42,154 @@ jobs:
       matrix:
         arch: [Win32, x64]
     steps:
-    - uses: actions/checkout@v4
-    - name: cmake configure
-      run: cmake . -DMESHOPT_BUILD_DEMO=ON -DMESHOPT_BUILD_GLTFPACK=ON -DMESHOPT_WERROR=ON -DCMAKE_MSVC_RUNTIME_LIBRARY="MultiThreaded$<$<CONFIG:Debug>:Debug>" -A ${{matrix.arch}}
-    - name: cmake test
-      shell: bash # necessary for fail-fast
-      run: |
-        cmake --build . -- -property:Configuration=Debug -verbosity:minimal
-        Debug/demo.exe demo/pirate.obj
-        cmake --build . -- -property:Configuration=Release -verbosity:minimal
-        Release/demo.exe demo/pirate.obj
+      - uses: actions/checkout@v4
+      - name: cmake configure
+        run: cmake . -DMESHOPT_BUILD_DEMO=ON -DMESHOPT_BUILD_GLTFPACK=ON -DMESHOPT_WERROR=ON -DCMAKE_MSVC_RUNTIME_LIBRARY="MultiThreaded$<$<CONFIG:Debug>:Debug>" -A ${{matrix.arch}}
+      - name: cmake test
+        shell: bash # necessary for fail-fast
+        run: |
+          cmake --build . -- -property:Configuration=Debug -verbosity:minimal
+          Debug/demo.exe demo/pirate.obj
+          cmake --build . -- -property:Configuration=Release -verbosity:minimal
+          Release/demo.exe demo/pirate.obj
 
   nodejs:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-node@v4
-      with:
-        node-version: '16'
-    - name: test decoder
-      run: node js/meshopt_decoder.test.js
-    - name: test simd decoder
-      run: node --experimental-wasm-simd js/meshopt_decoder.test.js
-    - name: test encoder
-      run: node js/meshopt_encoder.test.js
-    - name: test simplifier
-      run: node js/meshopt_simplifier.test.js
-    - name: test clusterizer
-      run: node js/meshopt_clusterizer.test.js
-    - name: check es5
-      run: |
-        npm install -g es-check
-        npx es-check es5 js/meshopt_decoder.js js/meshopt_encoder.js js/meshopt_simplifier.js js/meshopt_clusterizer.js
-        npx es-check --module es5 js/meshopt_decoder.module.js js/meshopt_encoder.module.js js/meshopt_simplifier.module.js js/meshopt_clusterizer.module.js
-        npx es-check es5 gltf/library.js
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '16'
+      - name: test decoder
+        run: node js/meshopt_decoder.test.js
+      - name: test simd decoder
+        run: node --experimental-wasm-simd js/meshopt_decoder.test.js
+      - name: test encoder
+        run: node js/meshopt_encoder.test.js
+      - name: test simplifier
+        run: node js/meshopt_simplifier.test.js
+      - name: test clusterizer
+        run: node js/meshopt_clusterizer.test.js
+      - name: check es5
+        run: |
+          npm install -g es-check
+          npx es-check es5 js/meshopt_decoder.js js/meshopt_encoder.js js/meshopt_simplifier.js js/meshopt_clusterizer.js
+          npx es-check --module es5 js/meshopt_decoder.module.js js/meshopt_encoder.module.js js/meshopt_simplifier.module.js js/meshopt_clusterizer.module.js
+          npx es-check es5 gltf/library.js
 
   gltfpack:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/checkout@v4
-      with:
-        repository: KhronosGroup/glTF-Sample-Assets
-        path: glTF-Sample-Assets
-    - name: work around ASLR+ASAN compatibility
-      run: sudo sysctl -w vm.mmap_rnd_bits=28
-    - name: make
-      run: make -j2 config=sanitize gltfpack
-    - name: test
-      run: find glTF-Sample-Assets -name '*.gltf' -or -name '*.glb' | xargs -P 2 -L 16 -d '\n' ./gltfpack -cc -test
-    - name: pack
-      run: find glTF-Sample-Assets -name '*.gltf' | grep -v 'glTF-Draco' | xargs -P 2 -L 16 -d '\n' -I '{}' ./gltfpack -i '{}' -o '{}pack.gltf'
-    - name: validate
-      run: |
-        curl -sL $VALIDATOR | tar xJ
-        find glTF-Sample-Assets -name '*.gltfpack.gltf' | xargs -P 2 -L 1 -d '\n' ./gltf_validator -r -a
-      env:
-        VALIDATOR: https://github.com/KhronosGroup/glTF-Validator/releases/download/2.0.0-dev.3.8/gltf_validator-2.0.0-dev.3.8-linux64.tar.xz
+      - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
+        with:
+          repository: KhronosGroup/glTF-Sample-Assets
+          path: glTF-Sample-Assets
+      - name: work around ASLR+ASAN compatibility
+        run: sudo sysctl -w vm.mmap_rnd_bits=28
+      - name: make
+        run: make -j2 config=sanitize gltfpack
+      - name: test
+        run: find glTF-Sample-Assets -name '*.gltf' -or -name '*.glb' | xargs -P 2 -L 16 -d '\n' ./gltfpack -cc -test
+      - name: pack
+        run: find glTF-Sample-Assets -name '*.gltf' | grep -v 'glTF-Draco' | xargs -P 2 -L 16 -d '\n' -I '{}' ./gltfpack -i '{}' -o '{}pack.gltf'
+      - name: validate
+        run: |
+          curl -sL $VALIDATOR | tar xJ
+          find glTF-Sample-Assets -name '*.gltfpack.gltf' | xargs -P 2 -L 1 -d '\n' ./gltf_validator -r -a
+        env:
+          VALIDATOR: https://github.com/KhronosGroup/glTF-Validator/releases/download/2.0.0-dev.3.8/gltf_validator-2.0.0-dev.3.8-linux64.tar.xz
 
   gltfpack-js:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-node@v4
-      with:
-        node-version: '16'
-    - name: install wasi
-      run: |
-        curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sdk-$VERSION.0-linux.tar.gz | tar xz
-        curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/libclang_rt.builtins-wasm32-wasi-$VERSION.0.tar.gz | tar xz -C wasi-sdk-$VERSION.0
-        curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sysroot-$VERSION.0.tar.gz | tar xz -C wasi-sdk-$VERSION.0/share
-        mv wasi-sdk-$VERSION.0 wasi-sdk
-      env:
-        VERSION: 22
-    - name: build
-      run: |
-        make -j2 -B WASI_SDK=wasi-sdk gltf/library.wasm js
-        git status
-    - name: test
-      run: |
-        node gltf/cli.js -i demo/pirate.obj -o pirate.glb -v
-        node gltf/cli.js -i `pwd`/pirate.glb -o pirate-repack.glb -cc -v
-        wc -c pirate.glb pirate-repack.glb
-        node js/meshopt_decoder.test.js
-        node js/meshopt_encoder.test.js
-        node js/meshopt_simplifier.test.js
-        node js/meshopt_clusterizer.test.js
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '16'
+      - name: install wasi
+        run: |
+          curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sdk-$VERSION.0-linux.tar.gz | tar xz
+          curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/libclang_rt.builtins-wasm32-wasi-$VERSION.0.tar.gz | tar xz -C wasi-sdk-$VERSION.0
+          curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sysroot-$VERSION.0.tar.gz | tar xz -C wasi-sdk-$VERSION.0/share
+          mv wasi-sdk-$VERSION.0 wasi-sdk
+        env:
+          VERSION: 22
+      - name: build
+        run: |
+          make -j2 -B WASI_SDK=wasi-sdk gltf/library.wasm js
+          git status
+      - name: test
+        run: |
+          node gltf/cli.js -i demo/pirate.obj -o pirate.glb -v
+          node gltf/cli.js -i `pwd`/pirate.glb -o pirate-repack.glb -cc -v
+          wc -c pirate.glb pirate-repack.glb
+          node js/meshopt_decoder.test.js
+          node js/meshopt_encoder.test.js
+          node js/meshopt_simplifier.test.js
+          node js/meshopt_clusterizer.test.js
 
   gltfpack-basis:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/checkout@v4
-      with:
-        repository: zeux/basis_universal
-        ref: gltfpack
-        path: basis_universal
-    - name: make gltfpack
-      run: make -j2 BASISU=basis_universal gltfpack
+      - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
+        with:
+          repository: zeux/basis_universal
+          ref: gltfpack
+          path: basis_universal
+      - name: make gltfpack
+        run: make -j2 BASISU=basis_universal gltfpack
 
   gltfpack-coverage:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/checkout@v4
-      with:
-        repository: zeux/basis_universal
-        ref: gltfpack
-        path: basis_universal
-    - uses: actions/checkout@v4
-      with:
-        repository: KhronosGroup/glTF-Sample-Assets
-        path: glTF-Sample-Assets
-    - name: make
-      run: make -j2 config=coverage BASISU=basis_universal gltfpack
-    - name: test
-      run: |
-        find glTF-Sample-Assets -name '*.gltf' -or -name '*.glb' | xargs -P 2 -L 16 -d '\n' ./gltfpack -cc -test
-        ./gltfpack -test demo/pirate.obj -si 0.5
-        ./gltfpack -test demo/pirate.obj -si 0.1 -sv -sa
-        ./gltfpack -test demo/pirate.obj -sd 0.5 -md 64
-        ./gltfpack -test demo/pirate.obj -noq
-        ./gltfpack -test demo/pirate.obj -vp 16 -vt 16 -vn 16 -vc 16
-        ./gltfpack -test glTF-Sample-Assets/Models/ABeautifulGame/glTF/ABeautifulGame.gltf -mi -c
-        ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -vpf -vtf -c
-        ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -vpf -vtf -cc
-        ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc
-        ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -tq color 10 -tu normal,attrib
-        ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tr
-        ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -ts 0.5 -tl 64
-        ./gltfpack -test glTF-Sample-Assets/Models/CesiumMan/glTF/CesiumMan.gltf -tu -ts 0.6 -tp
-        ./gltfpack -test glTF-Sample-Assets/Models/PrimitiveModeNormalsTest/glTF/PrimitiveModeNormalsTest.gltf -si 0.5
-        ./gltfpack -test glTF-Sample-Assets/Models/VertexColorTest/glTF/VertexColorTest.gltf -si 0.5 -sv
-        ./gltfpack -test glTF-Sample-Assets/Models/SimpleMeshes/glTF/SimpleMeshes.gltf -mm
-    - name: test output
-      run: |
-        ./gltfpack || true
-        ./gltfpack -h || true
-        ./gltfpack -i glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -o box.glb -vv -r box.json
-        ./gltfpack -i glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -o box.gltf -cf
-    - name: upload coverage
-      run: |
-        find . -type f -name '*.gcno' -exec gcov -p {} +
-        sed -i -e "s/#####\(.*\)\(\/\/ unreachable.*\)/    -\1\2/" *.gcov
-        bash <(curl -s https://codecov.io/bash) -f './gltf*.gcov' -X search -t ${{secrets.CODECOV_TOKEN}} -B ${{github.ref}}
+      - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
+        with:
+          repository: zeux/basis_universal
+          ref: gltfpack
+          path: basis_universal
+      - uses: actions/checkout@v4
+        with:
+          repository: KhronosGroup/glTF-Sample-Assets
+          path: glTF-Sample-Assets
+      - name: make
+        run: make -j2 config=coverage BASISU=basis_universal gltfpack
+      - name: test
+        run: |
+          find glTF-Sample-Assets -name '*.gltf' -or -name '*.glb' | xargs -P 2 -L 16 -d '\n' ./gltfpack -cc -test
+          ./gltfpack -test demo/pirate.obj -si 0.5
+          ./gltfpack -test demo/pirate.obj -si 0.1 -sv -sa
+          ./gltfpack -test demo/pirate.obj -sd 0.5 -md 64
+          ./gltfpack -test demo/pirate.obj -noq
+          ./gltfpack -test demo/pirate.obj -vp 16 -vt 16 -vn 16 -vc 16
+          ./gltfpack -test glTF-Sample-Assets/Models/ABeautifulGame/glTF/ABeautifulGame.gltf -mi -c
+          ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -vpf -vtf -c
+          ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -vpf -vtf -cc
+          ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc
+          ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -tq color 10 -tu normal,attrib
+          ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tr
+          ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -ts 0.5 -tl 64
+          ./gltfpack -test glTF-Sample-Assets/Models/CesiumMan/glTF/CesiumMan.gltf -tu -ts 0.6 -tp
+          ./gltfpack -test glTF-Sample-Assets/Models/PrimitiveModeNormalsTest/glTF/PrimitiveModeNormalsTest.gltf -si 0.5
+          ./gltfpack -test glTF-Sample-Assets/Models/VertexColorTest/glTF/VertexColorTest.gltf -si 0.5 -sv
+          ./gltfpack -test glTF-Sample-Assets/Models/SimpleMeshes/glTF/SimpleMeshes.gltf -mm
+      - name: test output
+        run: |
+          ./gltfpack || true
+          ./gltfpack -h || true
+          ./gltfpack -i glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -o box.glb -vv -r box.json
+          ./gltfpack -i glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -o box.gltf -cf
+      - name: upload coverage
+        run: |
+          find . -type f -name '*.gcno' -exec gcov -p {} +
+          sed -i -e "s/#####\(.*\)\(\/\/ unreachable.*\)/    -\1\2/" *.gcov
+          bash <(curl -s https://codecov.io/bash) -f './gltf*.gcov' -X search -t ${{secrets.CODECOV_TOKEN}} -B ${{github.ref}}
 
   iphone:
     runs-on: macos-latest
     steps:
-    - uses: actions/checkout@v4
-    - name: make
-      run: make -j2 config=iphone
+      - uses: actions/checkout@v4
+      - name: make
+        run: make -j2 config=iphone
diff --git a/.github/workflows/cifuzz.yml b/.github/workflows/cifuzz.yml
index a0c57dc86c..e481a5ebef 100644
--- a/.github/workflows/cifuzz.yml
+++ b/.github/workflows/cifuzz.yml
@@ -9,23 +9,23 @@ jobs:
   Fuzzing:
     runs-on: ubuntu-latest
     steps:
-    - name: Build Fuzzers
-      id: build
-      uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
-      with:
-        oss-fuzz-project-name: 'meshoptimizer'
-        dry-run: false
-        language: c++
-    - name: Run Fuzzers
-      uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
-      with:
-        oss-fuzz-project-name: 'meshoptimizer'
-        fuzz-seconds: 30
-        dry-run: false
-        language: c++
-    - name: Upload Crash
-      uses: actions/upload-artifact@v3
-      if: failure() && steps.build.outcome == 'success'
-      with:
-        name: artifacts
-        path: ./out/artifacts
+      - name: Build Fuzzers
+        id: build
+        uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
+        with:
+          oss-fuzz-project-name: 'meshoptimizer'
+          dry-run: false
+          language: c++
+      - name: Run Fuzzers
+        uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
+        with:
+          oss-fuzz-project-name: 'meshoptimizer'
+          fuzz-seconds: 30
+          dry-run: false
+          language: c++
+      - name: Upload Crash
+        uses: actions/upload-artifact@v3
+        if: failure() && steps.build.outcome == 'success'
+        with:
+          name: artifacts
+          path: ./out/artifacts
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0622f571e1..3d10b18377 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,57 +15,57 @@ jobs:
     name: gltfpack-${{matrix.os}}
     runs-on: ${{matrix.os}}-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/checkout@v4
-      with:
-        repository: zeux/basis_universal
-        ref: gltfpack
-        path: basis_universal
-    - name: cmake configure
-      run: cmake . -DMESHOPT_BUILD_GLTFPACK=ON -DMESHOPT_BASISU_PATH=basis_universal -DMESHOPT_WERROR=ON -DCMAKE_MSVC_RUNTIME_LIBRARY="MultiThreaded" -DCMAKE_BUILD_TYPE=Release -DCMAKE_OSX_ARCHITECTURES="x86_64;arm64"
-    - name: cmake build
-      run: cmake --build . --target gltfpack --config Release -j 2
-    - uses: actions/upload-artifact@v4
-      with:
-        name: gltfpack-windows
-        path: Release/gltfpack.exe
-      if: matrix.os == 'windows'
-    - uses: actions/upload-artifact@v4
-      with:
-        name: gltfpack-${{matrix.os}}
-        path: gltfpack
-      if: matrix.os != 'windows'
+      - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
+        with:
+          repository: zeux/basis_universal
+          ref: gltfpack
+          path: basis_universal
+      - name: cmake configure
+        run: cmake . -DMESHOPT_BUILD_GLTFPACK=ON -DMESHOPT_BASISU_PATH=basis_universal -DMESHOPT_WERROR=ON -DCMAKE_MSVC_RUNTIME_LIBRARY="MultiThreaded" -DCMAKE_BUILD_TYPE=Release -DCMAKE_OSX_ARCHITECTURES="x86_64;arm64"
+      - name: cmake build
+        run: cmake --build . --target gltfpack --config Release -j 2
+      - uses: actions/upload-artifact@v4
+        with:
+          name: gltfpack-windows
+          path: Release/gltfpack.exe
+        if: matrix.os == 'windows'
+      - uses: actions/upload-artifact@v4
+        with:
+          name: gltfpack-${{matrix.os}}
+          path: gltfpack
+        if: matrix.os != 'windows'
 
   nodejs:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-node@v4
-      with:
-        node-version: '16'
-    - name: install wasi
-      run: |
-        curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sdk-$VERSION.0-linux.tar.gz | tar xz
-        curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/libclang_rt.builtins-wasm32-wasi-$VERSION.0.tar.gz | tar xz -C wasi-sdk-$VERSION.0
-        curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sysroot-$VERSION.0.tar.gz | tar xz -C wasi-sdk-$VERSION.0/share
-        mv wasi-sdk-$VERSION.0 wasi-sdk
-      env:
-        VERSION: 22
-    - name: build
-      run: |
-        make -j2 -B WASI_SDK=wasi-sdk gltf/library.wasm js
-        git status
-    - name: npm pack
-      run: |
-        cp LICENSE.md gltf/
-        cp LICENSE.md js/
-        cd gltf && npm pack && cd ..
-        cd js && npm pack && cd ..
-    - uses: actions/upload-artifact@v4
-      with:
-        name: gltfpack-npm
-        path: gltf/gltfpack-*.tgz
-    - uses: actions/upload-artifact@v4
-      with:
-        name: meshoptimizer-npm
-        path: js/meshoptimizer-*.tgz
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '16'
+      - name: install wasi
+        run: |
+          curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sdk-$VERSION.0-linux.tar.gz | tar xz
+          curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/libclang_rt.builtins-wasm32-wasi-$VERSION.0.tar.gz | tar xz -C wasi-sdk-$VERSION.0
+          curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sysroot-$VERSION.0.tar.gz | tar xz -C wasi-sdk-$VERSION.0/share
+          mv wasi-sdk-$VERSION.0 wasi-sdk
+        env:
+          VERSION: 22
+      - name: build
+        run: |
+          make -j2 -B WASI_SDK=wasi-sdk gltf/library.wasm js
+          git status
+      - name: npm pack
+        run: |
+          cp LICENSE.md gltf/
+          cp LICENSE.md js/
+          cd gltf && npm pack && cd ..
+          cd js && npm pack && cd ..
+      - uses: actions/upload-artifact@v4
+        with:
+          name: gltfpack-npm
+          path: gltf/gltfpack-*.tgz
+      - uses: actions/upload-artifact@v4
+        with:
+          name: meshoptimizer-npm
+          path: js/meshoptimizer-*.tgz

From 12d0360e4a48556aa3884be12ab688ce389f888a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 17 Sep 2024 14:33:28 -0700
Subject: [PATCH 289/581] Add .git-blame-ignore-revs for cleaner blames

While we avoid mass reformat commits in general, there's been a couple
necessary ones in the past that result in harder to read blames. This
file will automatically fix them on GitHub and can fix local blames with
one command after checkout.
---
 .git-blame-ignore-revs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 .git-blame-ignore-revs

diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 0000000000..77aa716cd1
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,17 @@
+# This file contains a list of Git commit hashes that should be hidden from the
+# regular Git history. Typically, this includes commits involving mass auto-formatting
+# or other normalizations. Commit hashes *must* use the full 40-character notation.
+# To apply the ignore list in your local Git client, you must run:
+#
+#   git config blame.ignoreRevsFile .git-blame-ignore-revs
+#
+# This file is automatically used by GitHub.com's blame view.
+
+# Convert CRLF to LF everywhere
+bb4aa0e1372751b74425e77c9a42f972971568bf
+
+# js: Reformat all sources with Prettier
+3dea31b5c248594a62f49a3e41fc88d7ceae2de3
+
+# Reformat workflow YAML files with Prettier
+52e8e1f61712928a36b5257a894bb098a4a98b22

From 85fcf0d1e22c1ef80b035c7367d984a9d80cecc9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 18 Sep 2024 12:42:16 -0700
Subject: [PATCH 290/581] demo: Adjust visualization to render border-locked
 edges symmetrically

Border-locked edges as well as seam-locked edges have mismatched kinds
and we currently render them with whatever kind the first vertex has;
this can be misleading as it suggests a different behavior whereas it's
really the same.

For now we will render them using the non-locked kind; currently
simplifier refuses to collapse them but hopefully that will change soon.
---
 demo/simplify.html | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index e44bdae0b2..da6d89ebd4 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -235,8 +235,8 @@
 								var a = dres[0][i + e],
 									b = dres[0][i + ((e + 1) % 3)];
 
-								if (a >> 31 != 0 && ((a >> 28) & 7) == kind) {
-									// loop of current kind
+								if (a >> 31 != 0 && kind != 4 && (((a >> 28) & 7) == kind || ((b >> 28) & 7) == kind)) {
+									// loop of current kind (non-locked to allow one of the vertices to be locked)
 									dind.push(a & mask);
 									dind.push(a & mask);
 									dind.push(b & mask);

From b3b7fba7a258dd951063bc859457ff00a3c7384f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 18 Sep 2024 14:32:15 -0700
Subject: [PATCH 291/581] simplify: Fix edge loop remap creating invalid loops
 in some cases

When the seam edge is collapsed in the opposite direction to the loop
flow, we need to follow the previous link to discover the new
connection. However, if that link pointed to a remapped vertex, we
previously would create an invalid loop edge. This would result in
inconsistent loop metadata between loop & loopback, and could prevent
future seam collapses around the problematic area.

The correct thing to do is to remap the connection, unless the loop
stopped after that vertex in which case our vertex becomes terminal.
---
 src/simplifier.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 6db2a17041..8179d43a43 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1276,13 +1276,19 @@ static void remapEdgeLoops(unsigned int* loop, size_t vertex_count, const unsign
 {
 	for (size_t i = 0; i < vertex_count; ++i)
 	{
+		// note: this is a no-op for vertices that were remapped
+		// ideally we would clear the loop entries for those for consistency, even though they aren't going to be used
+		// however, the remapping process needs loop information for remapped vertices, so this would require a separate pass
 		if (loop[i] != ~0u)
 		{
 			unsigned int l = loop[i];
 			unsigned int r = collapse_remap[l];
 
 			// i == r is a special case when the seam edge is collapsed in a direction opposite to where loop goes
-			loop[i] = (i == r) ? loop[l] : r;
+			if (i == r)
+				loop[i] = (loop[l] != ~0u) ? collapse_remap[loop[l]] : ~0u;
+			else
+				loop[i] = r;
 		}
 	}
 }

From 59557e66072b705692ca24f53cbef93da75217d5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Sep 2024 11:03:38 -0700
Subject: [PATCH 292/581] tools: Add simplifyfuzz to stress test simplifier

The code for classifying topology and using the resulting data is
getting a little more complicated and critical than it used to be; while
we can test it on a wide set of meshes with various strange topology, it
would also help to be able to fuzz it.

We build a vertex buffer that will occasionally have redundancy in it
due to random collisions, which will generate seam/locked vertices, and
use the rest of the fuzz input as an index buffer.
---
 Makefile               |  3 +++
 tools/simplifyfuzz.cpp | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 tools/simplifyfuzz.cpp

diff --git a/Makefile b/Makefile
index 04b2b9f06f..a1f280a967 100644
--- a/Makefile
+++ b/Makefile
@@ -216,6 +216,9 @@ codecbench-simd.wasm: tools/codecbench.cpp $(LIBRARY_SOURCES)
 codecfuzz: tools/codecfuzz.cpp src/vertexcodec.cpp src/indexcodec.cpp
 	$(CXX) $^ -fsanitize=fuzzer,address,undefined -O1 -g -o $@
 
+simplifyfuzz: tools/simplifyfuzz.cpp src/simplifier.cpp
+	$(CXX) $^ -fsanitize=fuzzer,address,undefined -O1 -g -o $@
+
 $(LIBRARY): $(LIBRARY_OBJECTS)
 	ar rcs $@ $^
 
diff --git a/tools/simplifyfuzz.cpp b/tools/simplifyfuzz.cpp
new file mode 100644
index 0000000000..ab7949495a
--- /dev/null
+++ b/tools/simplifyfuzz.cpp
@@ -0,0 +1,38 @@
+#include "../src/meshoptimizer.h"
+
+#include <float.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* buffer, size_t size)
+{
+	if (size == 0)
+		return 0;
+
+	srand(buffer[0]);
+
+	float vb[100][4];
+
+	for (int i = 0; i < 100; ++i)
+	{
+		vb[i][0] = rand() % 10;
+		vb[i][1] = rand() % 10;
+		vb[i][2] = rand() % 10;
+		vb[i][3] = rand() % 10;
+	}
+
+	unsigned int ib[999];
+	int indices = (size - 1) < 999 ? (size - 1) / 3 * 3 : 999;
+
+	for (int i = 0; i < indices; ++i)
+		ib[i] = buffer[1 + i] % 100;
+
+	unsigned int res[999];
+
+	meshopt_simplify(res, ib, indices, vb[0], 100, sizeof(float) * 4, 0, 1e-1f, 0, NULL);
+	meshopt_simplify(res, ib, indices, vb[0], 100, sizeof(float) * 4, 0, FLT_MAX, 0, NULL);
+	meshopt_simplify(res, ib, indices, vb[0], 100, sizeof(float) * 4, 0, FLT_MAX, meshopt_SimplifyLockBorder, NULL);
+	meshopt_simplify(res, ib, indices, vb[0], 100, sizeof(float) * 4, 0, FLT_MAX, meshopt_SimplifySparse, NULL);
+
+	return 0;
+}

From cae38cd2058944db73fd8adbca4953edec126866 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Sep 2024 12:32:39 -0700
Subject: [PATCH 293/581] simplify: Enable border->locked collapses

While locked vertices can't move by themselves, ideally we should be
able to move any vertex into a locked vertex; currently this is allowed
for manifold but not allowed for border/seam. This artificially limits
the allowed collapses which can lead to larger than necessary result or
worse than necessary error as the simplifier is forced to consider edges
with worse error.

To enable border collapses, we simply need to extend the picking logic;
border-border edges are symmetric so it is enough to validate them in
one direction, but border-locked edges may be forward or backward (as
in, they may align with the topological edge direction or be opposite to
it), so we need to check loop or loopback depending on which vertex is
border.

The same logic would work for seam collapses but they require changes
elsewhere in the pipeline to be permissible.
---
 src/simplifier.cpp | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 8179d43a43..fe5273c0f2 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -294,7 +294,7 @@ enum VertexKind
 // for example, while we could collapse Complex into Manifold, this would mean the target vertex isn't Manifold anymore
 const unsigned char kCanCollapse[Kind_Count][Kind_Count] = {
     {1, 1, 1, 1, 1},
-    {0, 1, 0, 0, 0},
+    {0, 1, 0, 0, 1},
     {0, 0, 1, 0, 0},
     {0, 0, 0, 1, 1},
     {0, 0, 0, 0, 0},
@@ -947,7 +947,7 @@ static size_t boundEdgeCollapses(const EdgeAdjacency& adjacency, size_t vertex_c
 	return (index_count - dual_count / 2) + 3;
 }
 
-static size_t pickEdgeCollapses(Collapse* collapses, size_t collapse_capacity, const unsigned int* indices, size_t index_count, const unsigned int* remap, const unsigned char* vertex_kind, const unsigned int* loop)
+static size_t pickEdgeCollapses(Collapse* collapses, size_t collapse_capacity, const unsigned int* indices, size_t index_count, const unsigned int* remap, const unsigned char* vertex_kind, const unsigned int* loop, const unsigned int* loopback)
 {
 	size_t collapse_count = 0;
 
@@ -987,6 +987,16 @@ static size_t pickEdgeCollapses(Collapse* collapses, size_t collapse_capacity, c
 			if (k0 == k1 && (k0 == Kind_Border || k0 == Kind_Seam) && loop[i0] != i1)
 				continue;
 
+			if (k0 == Kind_Locked || k1 == Kind_Locked)
+			{
+				// the same check as above, but for border/seam -> locked collapses
+				// loop[] and loopback[] track half edges so we only need to check one of them
+				if ((k0 == Kind_Border || k0 == Kind_Seam) && loop[i0] != i1)
+					continue;
+				if ((k1 == Kind_Border || k1 == Kind_Seam) && loopback[i1] != i0)
+					continue;
+			}
+
 			// edge can be collapsed in either direction - we will pick the one with minimum error
 			// note: we evaluate error later during collapse ranking, here we just tag the edge as bidirectional
 			if (kCanCollapse[k0][k1] & kCanCollapse[k1][k0])
@@ -1730,7 +1740,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 		// note: throughout the simplification process adjacency structure reflects welded topology for result-in-progress
 		updateEdgeAdjacency(adjacency, result, result_count, vertex_count, remap);
 
-		size_t edge_collapse_count = pickEdgeCollapses(edge_collapses, collapse_capacity, result, result_count, remap, vertex_kind, loop);
+		size_t edge_collapse_count = pickEdgeCollapses(edge_collapses, collapse_capacity, result, result_count, remap, vertex_kind, loop, loopback);
 		assert(edge_collapse_count <= collapse_capacity);
 
 		// no edges can be collapsed any more due to topology restrictions

From dc1907a908562133fa128c3328ac695b720aee80 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Sep 2024 12:53:46 -0700
Subject: [PATCH 294/581] simplify: Do not classify degenerate seams as seams

Sometimes edges that connect two wedges may be classified as seams,
which invalidates assumptions about coherent topology around seam
vertices and prevents future improvements to seam collapses. These are
incredibly rare and should not be classified as seams.
---
 demo/tests.cpp     | 19 +++++++++++++++++++
 src/simplifier.cpp |  2 +-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index aef1aae55d..13f6121953 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1418,6 +1418,24 @@ static void simplifySeam()
 	assert(fabsf(error - 0.04f) < 0.01f); // note: this is the same error as above because the attribute is constant on either side of the seam
 }
 
+static void simplifySeamFake()
+{
+	// xyz+attr
+	float vb[] = {
+	    0, 0, 0, 0,
+	    1, 0, 0, 1,
+	    1, 0, 0, 2,
+	    0, 0, 0, 3, // clang-format :-/
+	};
+
+	unsigned int ib[] = {
+	    0, 1, 2,
+	    2, 1, 3, // clang-format :-/
+	};
+
+	assert(meshopt_simplify(ib, ib, 6, vb, 4, 16, 0, 1.f, 0, NULL) == 6);
+}
+
 static void adjacency()
 {
 	// 0 1/4
@@ -1673,6 +1691,7 @@ void runTests()
 	simplifySparse();
 	simplifyErrorAbsolute();
 	simplifySeam();
+	simplifySeamFake();
 
 	adjacency();
 	tessellation();
diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index fe5273c0f2..2011f8d69a 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -407,7 +407,7 @@ static void classifyVertices(unsigned char* result, unsigned int* loop, unsigned
 				if (openiv != ~0u && openiv != i && openov != ~0u && openov != i &&
 				    openiw != ~0u && openiw != w && openow != ~0u && openow != w)
 				{
-					if (remap[openiv] == remap[openow] && remap[openov] == remap[openiw])
+					if (remap[openiv] == remap[openow] && remap[openov] == remap[openiw] && remap[openiv] != remap[openov])
 					{
 						result[i] = Kind_Seam;
 					}

From 054f1296fd9187180b5bedfedc98a2d5ba8cd66e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Sep 2024 13:06:45 -0700
Subject: [PATCH 295/581] simplify: Enable seam->locked collapses

Similarly to border->locked collapses, enabling seam->locked collapses
is important to reduce topology based restrictions as that allows us to
reach lower triangle counts or same triangle counts at lower error for
meshes with islands of irreducible topology.

A seam-seam edge is bidirectional whereas a seam-locked edge is
unidirectional and may be connected to any wedge out of an arbitrary
count in the locked vertex. Because of this we can't use wedge[] to find
the seam pair anymore, and need to switch to using loop/loopback based
on whether the edge is forward or backward wrt original topology.

This is somewhat risky as it requires loop/loopback to stay valid and
coherent throughout the entire simplification process, whereas
previously bugs here would simply block certain collapses; now it's
theoretically possible to get an out of bounds read if the loop data for
the other wedge points nowhere. However, extensive testing and fuzzing
did not uncover any further issues with this.
---
 src/simplifier.cpp | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 2011f8d69a..f31745180c 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -295,7 +295,7 @@ enum VertexKind
 const unsigned char kCanCollapse[Kind_Count][Kind_Count] = {
     {1, 1, 1, 1, 1},
     {0, 1, 0, 0, 1},
-    {0, 0, 1, 0, 0},
+    {0, 0, 1, 0, 1},
     {0, 0, 0, 1, 1},
     {0, 0, 0, 0, 0},
 };
@@ -1110,7 +1110,7 @@ static void sortEdgeCollapses(unsigned int* sort_order, const Collapse* collapse
 	}
 }
 
-static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char* collapse_locked, Quadric* vertex_quadrics, Quadric* attribute_quadrics, QuadricGrad* attribute_gradients, size_t attribute_count, const Collapse* collapses, size_t collapse_count, const unsigned int* collapse_order, const unsigned int* remap, const unsigned int* wedge, const unsigned char* vertex_kind, const Vector3* vertex_positions, const EdgeAdjacency& adjacency, size_t triangle_collapse_goal, float error_limit, float& result_error)
+static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char* collapse_locked, Quadric* vertex_quadrics, Quadric* attribute_quadrics, QuadricGrad* attribute_gradients, size_t attribute_count, const Collapse* collapses, size_t collapse_count, const unsigned int* collapse_order, const unsigned int* remap, const unsigned int* wedge, const unsigned char* vertex_kind, const unsigned int* loop, const unsigned int* loopback, const Vector3* vertex_positions, const EdgeAdjacency& adjacency, size_t triangle_collapse_goal, float error_limit, float& result_error)
 {
 	size_t edge_collapses = 0;
 	size_t triangle_collapses = 0;
@@ -1197,7 +1197,10 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 			if (kind == Kind_Seam)
 			{
 				// seam collapses involve two edges so we need to update attribute quadrics for both target vertices; position quadrics are shared
-				unsigned int s0 = wedge[i0], s1 = wedge[i1];
+				unsigned int s0 = wedge[i0];
+				unsigned int s1 = loop[i0] == i1 ? loopback[s0] : loop[s0];
+				assert(s0 != i0 && wedge[s0] == i0);
+				assert(s1 != ~0u && remap[s1] == r1);
 
 				quadricAdd(attribute_quadrics[s1], attribute_quadrics[s0]);
 				quadricAdd(&attribute_gradients[s1 * attribute_count], &attribute_gradients[s0 * attribute_count], attribute_count);
@@ -1218,9 +1221,15 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 		else if (kind == Kind_Seam)
 		{
 			// remap v0 to v1 and seam pair of v0 to seam pair of v1
-			unsigned int s0 = wedge[i0], s1 = wedge[i1];
-			assert(s0 != i0 && s1 != i1);
-			assert(wedge[s0] == i0 && wedge[s1] == i1);
+			unsigned int s0 = wedge[i0];
+			unsigned int s1 = loop[i0] == i1 ? loopback[s0] : loop[s0];
+			assert(s0 != i0 && wedge[s0] == i0);
+			assert(s1 != ~0u && remap[s1] == r1);
+
+			// additional asserts to verify that the seam pair is consistent
+			assert(kind != vertex_kind[i1] || s1 == wedge[i1]);
+			assert(loop[i0] == i1 || loopback[i0] == i1);
+			assert(loop[s0] == s1 || loopback[s0] == s1);
 
 			collapse_remap[i0] = i1;
 			collapse_remap[s0] = s1;
@@ -1762,7 +1771,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 
 		memset(collapse_locked, 0, vertex_count);
 
-		size_t collapses = performEdgeCollapses(collapse_remap, collapse_locked, vertex_quadrics, attribute_quadrics, attribute_gradients, attribute_count, edge_collapses, edge_collapse_count, collapse_order, remap, wedge, vertex_kind, vertex_positions, adjacency, triangle_collapse_goal, error_limit, result_error);
+		size_t collapses = performEdgeCollapses(collapse_remap, collapse_locked, vertex_quadrics, attribute_quadrics, attribute_gradients, attribute_count, edge_collapses, edge_collapse_count, collapse_order, remap, wedge, vertex_kind, loop, loopback, vertex_positions, adjacency, triangle_collapse_goal, error_limit, result_error);
 
 		// no edges can be collapsed any more due to hitting the error limit or triangle collapse limit
 		if (collapses == 0)

From 67f8807eaa2a382cebc0f91bda1f0241f23bd36b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Sep 2024 13:25:55 -0700
Subject: [PATCH 296/581] demo: Adjust simplifySeam test for seam->locked
 collapses

Unlocking seam->locked collapses allows us to reduce this all the way
down to two quads; without the change in target, the end result is a
little different with smaller error as instead of collapsing the
interior edge it's cheaper to move one of the seam vertices to the
locked one.
---
 demo/tests.cpp | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 13f6121953..52122620c2 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1389,33 +1389,28 @@ static void simplifySeam()
 	};
 
 	// note: vertices 1-2 and 13-14 are classified as locked, because they are on a seam & a border
-	// since seam->locked collapses are restriced, we only get to 3 triangles on each side as the seam is simplified to 3 vertices
-
-	// so we get this structure initially, and then one of the internal seam vertices is collapsed to the other one:
 	// 0   1-2   3
 	//     5-6
 	//     9-10
 	// 12 13-14 15
 	unsigned int expected[] = {
-	    0, 1, 5,
-	    2, 3, 6,
-	    0, 5, 12,
-	    12, 5, 13,
-	    6, 3, 14,
+	    0, 1, 13,
+	    2, 3, 14,
+	    0, 13, 12,
 	    14, 3, 15, // clang-format :-/
 	};
 
 	unsigned int res[36];
 	float error = 0.f;
 
-	assert(meshopt_simplify(res, ib, 36, vb, 16, 16, 18, 1.f, 0, &error) == 18);
+	assert(meshopt_simplify(res, ib, 36, vb, 16, 16, 12, 1.f, 0, &error) == 12);
 	assert(memcmp(res, expected, sizeof(expected)) == 0);
-	assert(fabsf(error - 0.04f) < 0.01f); // note: the error is not zero because there is a small difference in height between the seam vertices
+	assert(fabsf(error - 0.09f) < 0.01f); // note: the error is not zero because there is a difference in height between the seam vertices
 
 	float aw = 1;
-	assert(meshopt_simplifyWithAttributes(res, ib, 36, vb, 16, 16, vb + 3, 16, &aw, 1, NULL, 18, 2.f, 0, &error) == 18);
+	assert(meshopt_simplifyWithAttributes(res, ib, 36, vb, 16, 16, vb + 3, 16, &aw, 1, NULL, 12, 2.f, 0, &error) == 12);
 	assert(memcmp(res, expected, sizeof(expected)) == 0);
-	assert(fabsf(error - 0.04f) < 0.01f); // note: this is the same error as above because the attribute is constant on either side of the seam
+	assert(fabsf(error - 0.09f) < 0.01f); // note: this is the same error as above because the attribute is constant on either side of the seam
 }
 
 static void simplifySeamFake()

From a29dda2bdd5978eeabab1de1f3b86a874a5990c5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Sep 2024 14:29:02 -0700
Subject: [PATCH 297/581] simplify: Add memory safety guards for seam pair

While the new seam handling code seems correct and robust based on
testing and fuzzing, it's theoretically possible that loop lookup
returns ~0u. Since this is used for indexing various vertex arrays it
would be a memory safety issue if it ever happened. Builds with enabled
assertions will abort, but if assertions are compiled out this may go
unnoticed.

For now, handle the ~0u case that should never happen by collapsing to
the next wedge; this is not correct for locked vertices but should not
create more issues downstream. Eventually this code could be removed.
---
 src/simplifier.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index f31745180c..436eb30fc0 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1202,6 +1202,9 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 				assert(s0 != i0 && wedge[s0] == i0);
 				assert(s1 != ~0u && remap[s1] == r1);
 
+				// note: this should never happen due to the assertion above, but when disabled if we ever hit this case we'll get a memory safety issue; for now play it safe
+				s1 = s1 != ~0u ? s1 : wedge[i1];
+
 				quadricAdd(attribute_quadrics[s1], attribute_quadrics[s0]);
 				quadricAdd(&attribute_gradients[s1 * attribute_count], &attribute_gradients[s0 * attribute_count], attribute_count);
 			}
@@ -1231,6 +1234,9 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 			assert(loop[i0] == i1 || loopback[i0] == i1);
 			assert(loop[s0] == s1 || loopback[s0] == s1);
 
+			// note: this should never happen due to the assertion above, but when disabled if we ever hit this case we'll get a memory safety issue; for now play it safe
+			s1 = s1 != ~0u ? s1 : wedge[i1];
+
 			collapse_remap[i0] = i1;
 			collapse_remap[s0] = s1;
 		}

From a35fdf812d3a6ab2909f9250b86f4533534bf4a2 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Sep 2024 14:49:29 -0700
Subject: [PATCH 298/581] simplify: Fix comment to account for updated table

We can now collapse border and seam vertices onto locked as long as the
collapse follows the border/seam loop.
---
 src/simplifier.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 436eb30fc0..77673a8605 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -288,7 +288,7 @@ enum VertexKind
 };
 
 // manifold vertices can collapse onto anything
-// border/seam vertices can only be collapsed onto border/seam respectively
+// border/seam vertices can collapse onto border/seam respectively, or locked
 // complex vertices can collapse onto complex/locked
 // a rule of thumb is that collapsing kind A into kind B preserves the kind B in the target vertex
 // for example, while we could collapse Complex into Manifold, this would mean the target vertex isn't Manifold anymore

From 5bd63532b20b66114a43f75433a384fcffd39665 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Sep 2024 19:37:37 -0700
Subject: [PATCH 299/581] simplify: Refactor seam pair computation and
 validation

Since we need seam pair for gradient update as well as collapse remap,
including a temporary safety measure for invalid loop data, we now share
this code between the two blocks instead of duplicating parts of it.

This is not performance sensitive but will help if we ever need to
change anything here.
---
 src/simplifier.cpp | 40 ++++++++++++++++++++++------------------
 1 file changed, 22 insertions(+), 18 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 77673a8605..6d2e361d30 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1186,6 +1186,25 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 		assert(collapse_remap[r0] == r0);
 		assert(collapse_remap[r1] == r1);
 
+		unsigned int sx = i1;
+
+		// for seam collapses we need to move the seam pair together; this is a bit tricky to compute since we need to rely on edge loops as target vertex may be locked (and thus have more than two wedges)
+		if (kind == Kind_Seam)
+		{
+			unsigned int s0 = wedge[i0];
+			unsigned int s1 = loop[i0] == i1 ? loopback[s0] : loop[s0];
+			assert(s0 != i0 && wedge[s0] == i0);
+			assert(s1 != ~0u && remap[s1] == r1);
+
+			// additional asserts to verify that the seam pair is consistent
+			assert(kind != vertex_kind[i1] || s1 == wedge[i1]);
+			assert(loop[i0] == i1 || loopback[i0] == i1);
+			assert(loop[s0] == s1 || loopback[s0] == s1);
+
+			// note: this should never happen due to the assertion above, but when disabled if we ever hit this case we'll get a memory safety issue; for now play it safe
+			sx = (s1 != ~0u) ? s1 : wedge[i1];
+		}
+
 		quadricAdd(vertex_quadrics[r1], vertex_quadrics[r0]);
 
 		if (attribute_count)
@@ -1197,13 +1216,7 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 			if (kind == Kind_Seam)
 			{
 				// seam collapses involve two edges so we need to update attribute quadrics for both target vertices; position quadrics are shared
-				unsigned int s0 = wedge[i0];
-				unsigned int s1 = loop[i0] == i1 ? loopback[s0] : loop[s0];
-				assert(s0 != i0 && wedge[s0] == i0);
-				assert(s1 != ~0u && remap[s1] == r1);
-
-				// note: this should never happen due to the assertion above, but when disabled if we ever hit this case we'll get a memory safety issue; for now play it safe
-				s1 = s1 != ~0u ? s1 : wedge[i1];
+				unsigned int s0 = wedge[i0], s1 = sx;
 
 				quadricAdd(attribute_quadrics[s1], attribute_quadrics[s0]);
 				quadricAdd(&attribute_gradients[s1 * attribute_count], &attribute_gradients[s0 * attribute_count], attribute_count);
@@ -1224,18 +1237,9 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 		else if (kind == Kind_Seam)
 		{
 			// remap v0 to v1 and seam pair of v0 to seam pair of v1
-			unsigned int s0 = wedge[i0];
-			unsigned int s1 = loop[i0] == i1 ? loopback[s0] : loop[s0];
+			unsigned int s0 = wedge[i0], s1 = sx;
 			assert(s0 != i0 && wedge[s0] == i0);
-			assert(s1 != ~0u && remap[s1] == r1);
-
-			// additional asserts to verify that the seam pair is consistent
-			assert(kind != vertex_kind[i1] || s1 == wedge[i1]);
-			assert(loop[i0] == i1 || loopback[i0] == i1);
-			assert(loop[s0] == s1 || loopback[s0] == s1);
-
-			// note: this should never happen due to the assertion above, but when disabled if we ever hit this case we'll get a memory safety issue; for now play it safe
-			s1 = s1 != ~0u ? s1 : wedge[i1];
+			assert(remap[s1] == r1);
 
 			collapse_remap[i0] = i1;
 			collapse_remap[s0] = s1;

From 3e508bc54e7b8260639c51a4706ea022137ef8ed Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 23 Sep 2024 12:26:02 -0700
Subject: [PATCH 300/581] simplify: Add initial scaffolding for component
 pruning

meshopt_SimplifyPrune will be used to remove individual components.
Since this is experimental, the JS version is using _ prefix for now.
---
 demo/simplify.html              | 5 +++++
 js/meshopt_simplifier.js        | 3 ++-
 js/meshopt_simplifier.module.js | 3 ++-
 src/meshoptimizer.h             | 2 ++
 src/simplifier.cpp              | 2 +-
 5 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index ff0f69c1ef..dd7f91b71c 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -67,6 +67,7 @@
 				ratio: 1.0,
 				debugOverlay: false,
 				lockBorder: false,
+				prune: false,
 				weldVertices: false,
 				useAttributes: false,
 				errorThresholdLog10: 1,
@@ -113,6 +114,7 @@
 			var guiSimplify = gui.addFolder('Simplify');
 			guiSimplify.add(settings, 'ratio', 0, 1, 0.01).onChange(simplify);
 			guiSimplify.add(settings, 'lockBorder').onChange(simplify);
+			guiSimplify.add(settings, 'prune').onChange(simplify);
 			guiSimplify.add(settings, 'weldVertices').onChange(simplify);
 			guiSimplify.add(settings, 'errorThresholdLog10', 0, 3, 0.1).onChange(simplify);
 			guiSimplify.add(settings, 'useAttributes').onChange(simplify).onFinishChange(updateSettings);
@@ -199,6 +201,9 @@
 				if (settings.lockBorder) {
 					flags.push('LockBorder');
 				}
+				if (settings.prune) {
+					flags.push('_Prune');
+				}
 
 				var stride = geo.attributes.position instanceof THREE.InterleavedBufferAttribute ? geo.attributes.position.data.stride : 3;
 
diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index c108c63a3d..ed6977fe87 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -197,7 +197,8 @@ var MeshoptSimplifier = (function () {
 		LockBorder: 1,
 		Sparse: 2,
 		ErrorAbsolute: 4,
-		_InternalDebug: 1 << 30,
+		_Prune: 8, // experimental
+		_InternalDebug: 1 << 30, // internal, don't use!
 	};
 
 	return {
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index 277191aa95..c4a6f24108 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -196,7 +196,8 @@ var MeshoptSimplifier = (function () {
 		LockBorder: 1,
 		Sparse: 2,
 		ErrorAbsolute: 4,
-		_InternalDebug: 1 << 30,
+		_Prune: 8, // experimental
+		_InternalDebug: 1 << 30, // internal, don't use!
 	};
 
 	return {
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index d754167245..feab7bb02d 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -349,6 +349,8 @@ enum
 	meshopt_SimplifySparse = 1 << 1,
 	/* Treat error limit and resulting error as absolute instead of relative to mesh extents. */
 	meshopt_SimplifyErrorAbsolute = 1 << 2,
+	/* Experimental: remove disconnected parts of the mesh during simplification incrementally, regardless of the topological restrictions inside components. */
+	meshopt_SimplifyPrune = 1 << 3,
 };
 
 /**
diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 6d2e361d30..61acdfcb8d 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1645,7 +1645,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	assert(vertex_positions_stride % sizeof(float) == 0);
 	assert(target_index_count <= index_count);
 	assert(target_error >= 0);
-	assert((options & ~(meshopt_SimplifyLockBorder | meshopt_SimplifySparse | meshopt_SimplifyErrorAbsolute | meshopt_SimplifyInternalDebug)) == 0);
+	assert((options & ~(meshopt_SimplifyLockBorder | meshopt_SimplifySparse | meshopt_SimplifyErrorAbsolute | meshopt_SimplifyPrune | meshopt_SimplifyInternalDebug)) == 0);
 	assert(vertex_attributes_stride >= attribute_count * sizeof(float) && vertex_attributes_stride <= 256);
 	assert(vertex_attributes_stride % sizeof(float) == 0);
 	assert(attribute_count <= kMaxAttributes);

From 7375f701f842c069b5cfe2bfa8f5c85461c59a5d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 23 Sep 2024 14:12:33 -0700
Subject: [PATCH 301/581] simplify: Initial implementation of connected
 components

For pruning, we need to identify small isolated components that can be
removed entirely. This requires computing connected components of the
mesh graph.

There are two ways to look at connectivity, either triangles connected
by edges or vertices connected by edges. Both types of analysis are
possible, but for now we use vertex analysis. This is easier to compute,
and would not require continuous updates as the triangles get collapsed
and recreated during edge simplification.

For computing components, we could use union-find or a graph traversal.
For now we settle on union-find: it's usually measurably faster on
complex meshes, and does not require extra memory for a vertex queue. To
compute the components, we first do a classical union-find pass over all
edges, and then renumber the roots (and other vertices) sequentially,
thus mapping every single vertex into a component id.
---
 src/simplifier.cpp | 74 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 61acdfcb8d..73bff4f824 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1322,6 +1322,67 @@ static void remapEdgeLoops(unsigned int* loop, size_t vertex_count, const unsign
 	}
 }
 
+static unsigned int follow(unsigned int* parents, unsigned int index)
+{
+	while (index != parents[index])
+	{
+		unsigned int parent = parents[index];
+		parents[index] = parents[parent];
+		index = parent;
+	}
+
+	return index;
+}
+
+static size_t buildComponents(unsigned int* components, size_t vertex_count, const unsigned int* indices, size_t index_count, const unsigned int* remap)
+{
+	for (size_t i = 0; i < vertex_count; ++i)
+		components[i] = unsigned(i);
+
+	for (size_t i = 0; i < index_count; i += 3)
+	{
+		static const int next[4] = {1, 2, 0, 1};
+
+		for (int e = 0; e < 3; ++e)
+		{
+			unsigned int i0 = indices[i + e];
+			unsigned int i1 = indices[i + next[e]];
+
+			unsigned int r0 = remap[i0];
+			unsigned int r1 = remap[i1];
+
+			r0 = follow(components, r0);
+			r1 = follow(components, r1);
+
+			if (r0 != r1)
+				components[r0 < r1 ? r1 : r0] = r0 < r1 ? r0 : r1;
+		}
+	}
+
+	for (size_t i = 0; i < vertex_count; ++i)
+		if (remap[i] == i)
+			components[i] = follow(components, i);
+
+	unsigned int next_component = 0;
+
+	for (size_t i = 0; i < vertex_count; ++i)
+		if (remap[i] == i)
+		{
+			assert(components[i] <= i);
+			if (components[i] == i)
+				components[i] = next_component++;
+			else
+				components[i] = components[components[i]];
+		}
+		else
+		{
+			assert(remap[i] <= i);
+			components[i] = components[remap[i]];
+		}
+
+	return next_component;
+}
+
 struct CellHasher
 {
 	const unsigned int* vertex_ids;
@@ -1736,6 +1797,19 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	if (attribute_count)
 		fillAttributeQuadrics(attribute_quadrics, attribute_gradients, result, index_count, vertex_positions, vertex_attributes, attribute_count);
 
+	unsigned int* components = NULL;
+
+	if (options & meshopt_SimplifyPrune)
+	{
+		components = allocator.allocate<unsigned int>(vertex_count);
+		unsigned int cc = buildComponents(components, vertex_count, indices, index_count, remap);
+		(void)cc;
+
+#if TRACE
+		printf("components: %d\n", int(cc));
+#endif
+	}
+
 #if TRACE
 	size_t pass_count = 0;
 #endif

From da22c6d3d884be6f53a2f4bfcd7f8cb51021d538 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 23 Sep 2024 14:25:59 -0700
Subject: [PATCH 302/581] simplify: Minor refactoring of connected components

Add a few comments to make the code easier to read, and simplify the
component update.

Because the last pass renumbers the components which changes the meaning
of the values from parent links to component ids, we *need* an
intermediate pass to finalize component values; make that clear in
comments.
---
 src/simplifier.cpp | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 73bff4f824..bdadd7d2c9 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1339,6 +1339,7 @@ static size_t buildComponents(unsigned int* components, size_t vertex_count, con
 	for (size_t i = 0; i < vertex_count; ++i)
 		components[i] = unsigned(i);
 
+	// compute a unique (but not sequential!) index for each component via union-find
 	for (size_t i = 0; i < index_count; i += 3)
 	{
 		static const int next[4] = {1, 2, 0, 1};
@@ -1354,31 +1355,37 @@ static size_t buildComponents(unsigned int* components, size_t vertex_count, con
 			r0 = follow(components, r0);
 			r1 = follow(components, r1);
 
+			// merge components with larger indices into components with smaller indices
+			// this guarantees that the root of the component is always the one with the smallest index
 			if (r0 != r1)
 				components[r0 < r1 ? r1 : r0] = r0 < r1 ? r0 : r1;
 		}
 	}
 
+	// make sure each element points to the component root *before* we renumber the components
 	for (size_t i = 0; i < vertex_count; ++i)
 		if (remap[i] == i)
 			components[i] = follow(components, i);
 
 	unsigned int next_component = 0;
 
+	// renumber components using sequential indices
+	// a sequential pass is sufficient because component root always has the smallest index
+	// note: it is unsafe to use follow() in this pass because we're replacing component links with sequential indices inplace
 	for (size_t i = 0; i < vertex_count; ++i)
+	{
 		if (remap[i] == i)
 		{
-			assert(components[i] <= i);
-			if (components[i] == i)
-				components[i] = next_component++;
-			else
-				components[i] = components[components[i]];
+			unsigned int root = components[i];
+			assert(root <= i); // make sure we already computed the component for non-roots
+			components[i] = (root == i) ? next_component++ : components[root];
 		}
 		else
 		{
-			assert(remap[i] <= i);
+			assert(remap[i] < i); // make sure we already computed the component
 			components[i] = components[remap[i]];
 		}
+	}
 
 	return next_component;
 }

From b67133c0f80d0e3065c184f2839c54dc95395efe Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 24 Sep 2024 22:48:13 -0700
Subject: [PATCH 303/581] simplify: Fix MSVC warning for size_t->unsigned cast

---
 src/simplifier.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index bdadd7d2c9..c63e53e751 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1365,7 +1365,7 @@ static size_t buildComponents(unsigned int* components, size_t vertex_count, con
 	// make sure each element points to the component root *before* we renumber the components
 	for (size_t i = 0; i < vertex_count; ++i)
 		if (remap[i] == i)
-			components[i] = follow(components, i);
+			components[i] = follow(components, unsigned(i));
 
 	unsigned int next_component = 0;
 

From 2ce75ed1547ccf39b946e1865f550478fe20f4a7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 23 Sep 2024 15:03:47 -0700
Subject: [PATCH 304/581] simplify: Compute collapse error for each component

After computing component ids, we can compute a bounding box for each
component and derive an error value from it that will be used for
pruning.

For now we allocate an entire bounding box for each component for
performance, but we might use some other way of computing these in the
future that is less memory intensive; usually, component sizes are
fairly large so this is an acceptable use of memory.

It's not clear yet if AABB diagonal is a reasonable approximation of
component error; this is pending future testing. Note that we square
the value for consistency with quadric errors.
---
 src/simplifier.cpp | 51 +++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 48 insertions(+), 3 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index c63e53e751..f4ced80e48 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1390,6 +1390,48 @@ static size_t buildComponents(unsigned int* components, size_t vertex_count, con
 	return next_component;
 }
 
+static void measureComponents(float* component_errors, size_t component_count, const unsigned int* components, const Vector3* vertex_positions, size_t vertex_count)
+{
+	for (size_t i = 0; i < component_count; ++i)
+	{
+		component_errors[i * 6 + 0] = FLT_MAX;
+		component_errors[i * 6 + 1] = FLT_MAX;
+		component_errors[i * 6 + 2] = FLT_MAX;
+
+		component_errors[i * 6 + 3] = -FLT_MAX;
+		component_errors[i * 6 + 4] = -FLT_MAX;
+		component_errors[i * 6 + 5] = -FLT_MAX;
+	}
+
+	for (size_t i = 0; i < vertex_count; ++i)
+	{
+		unsigned int c = components[i];
+		assert(c < component_count);
+
+		for (int k = 0; k < 3; ++k)
+		{
+			float v = (&vertex_positions[i].x)[k];
+
+			component_errors[c * 6 + k + 0] = component_errors[c * 6 + k + 0] > v ? v : component_errors[c * 6 + k + 0];
+			component_errors[c * 6 + k + 3] = component_errors[c * 6 + k + 3] < v ? v : component_errors[c * 6 + k + 3];
+		}
+	}
+
+	for (size_t i = 0; i < component_count; ++i)
+	{
+		float ex = component_errors[i * 6 + 3] - component_errors[i * 6 + 0];
+		float ey = component_errors[i * 6 + 4] - component_errors[i * 6 + 1];
+		float ez = component_errors[i * 6 + 5] - component_errors[i * 6 + 2];
+
+		// note: we keep the squared error to make it match quadric error metric
+		component_errors[i] = ex * ex + ey * ey + ez * ez;
+
+#if TRACE > 1
+		printf("component %d (%f %f %f) => %f\n", int(i), ex, ey, ez, sqrtf(component_errors[i]));
+#endif
+	}
+}
+
 struct CellHasher
 {
 	const unsigned int* vertex_ids;
@@ -1805,15 +1847,18 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 		fillAttributeQuadrics(attribute_quadrics, attribute_gradients, result, index_count, vertex_positions, vertex_attributes, attribute_count);
 
 	unsigned int* components = NULL;
+	float* component_errors = NULL;
 
 	if (options & meshopt_SimplifyPrune)
 	{
 		components = allocator.allocate<unsigned int>(vertex_count);
-		unsigned int cc = buildComponents(components, vertex_count, indices, index_count, remap);
-		(void)cc;
+		size_t component_count = buildComponents(components, vertex_count, indices, index_count, remap);
+
+		component_errors = allocator.allocate<float>(component_count * 6); // overallocate for temporary use inside measureComponents
+		measureComponents(component_errors, component_count, components, vertex_positions, vertex_count);
 
 #if TRACE
-		printf("components: %d\n", int(cc));
+		printf("components: %d\n", int(component_count));
 #endif
 	}
 

From 7bdd11926832071b2ebb1d29d210db4ec58ccfa6 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 23 Sep 2024 16:08:04 -0700
Subject: [PATCH 305/581] simplify: Implement component pruning

When pruning is enabled, we perform a second pass filtering of the index
buffer using the current reached error limit; any triangles that are
part of components with a smaller error get removed.

Note that this is done for all components regardless of whether or not
some of them are unnecessary to remove to reach the resulting count (but
only done if we haven't reached the count yet). This means we do not
need to sort the components by error but may result in bursts of triangle
counts depending on how the edge collapses end up working out.
---
 src/simplifier.cpp | 43 ++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 40 insertions(+), 3 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index f4ced80e48..dd8af12705 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1424,7 +1424,7 @@ static void measureComponents(float* component_errors, size_t component_count, c
 		float ez = component_errors[i * 6 + 5] - component_errors[i * 6 + 2];
 
 		// note: we keep the squared error to make it match quadric error metric
-		component_errors[i] = ex * ex + ey * ey + ez * ez;
+		component_errors[i] = (ex * ex + ey * ey + ez * ez) * 0.25f;
 
 #if TRACE > 1
 		printf("component %d (%f %f %f) => %f\n", int(i), ex, ey, ez, sqrtf(component_errors[i]));
@@ -1432,6 +1432,32 @@ static void measureComponents(float* component_errors, size_t component_count, c
 	}
 }
 
+static size_t pruneComponents(unsigned int* indices, size_t index_count, const unsigned int* components, const float* component_errors, float error_cutoff)
+{
+	size_t write = 0;
+
+	for (size_t i = 0; i < index_count; i += 3)
+	{
+		unsigned int c = components[indices[i]];
+		assert(c == components[indices[i + 1]] && c == components[indices[i + 2]]);
+
+		if (component_errors[c] > error_cutoff)
+		{
+			indices[write + 0] = indices[i + 0];
+			indices[write + 1] = indices[i + 1];
+			indices[write + 2] = indices[i + 2];
+			write += 3;
+		}
+	}
+
+#if TRACE
+	if (write < index_count)
+		printf("pruned %d / %d triangles (error <= %e)\n", int((index_count - write) / 3), int(index_count / 3), sqrtf(error_cutoff));
+#endif
+
+	return write;
+}
+
 struct CellHasher
 {
 	const unsigned int* vertex_ids;
@@ -1848,17 +1874,22 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 
 	unsigned int* components = NULL;
 	float* component_errors = NULL;
+	size_t component_count = 0;
 
 	if (options & meshopt_SimplifyPrune)
 	{
 		components = allocator.allocate<unsigned int>(vertex_count);
-		size_t component_count = buildComponents(components, vertex_count, indices, index_count, remap);
+		component_count = buildComponents(components, vertex_count, indices, index_count, remap);
 
 		component_errors = allocator.allocate<float>(component_count * 6); // overallocate for temporary use inside measureComponents
 		measureComponents(component_errors, component_count, components, vertex_positions, vertex_count);
 
 #if TRACE
-		printf("components: %d\n", int(component_count));
+		float component_minerror = FLT_MAX;
+		for (size_t i = 0; i < component_count; ++i)
+			component_minerror = component_minerror > component_errors[i] ? component_errors[i] : component_minerror;
+
+		printf("components: %d (min error %e)\n", int(component_count), sqrtf(component_minerror));
 #endif
 	}
 
@@ -1920,8 +1951,14 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 		assert(new_count < result_count);
 
 		result_count = new_count;
+
+		if ((options & meshopt_SimplifyPrune) && result_count > target_index_count)
+			result_count = pruneComponents(result, result_count, components, component_errors, result_error);
 	}
 
+	if ((options & meshopt_SimplifyPrune) && result_count > target_index_count)
+		result_count = pruneComponents(result, result_count, components, component_errors, result_error);
+
 #if TRACE
 	printf("result: %d triangles, error: %e; total %d passes\n", int(result_count / 3), sqrtf(result_error), int(pass_count));
 #endif

From 496c5ac2dc53306bd363c93244eb4b474af1f296 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 23 Sep 2024 18:06:25 -0700
Subject: [PATCH 306/581] simplify: Fix call to buildComponents in sparse mode

In sparse mode, indices becomes invalid after a remap (prior to
component build), so the components computed would be invalid.
---
 src/simplifier.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index dd8af12705..2344d5357e 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1879,7 +1879,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	if (options & meshopt_SimplifyPrune)
 	{
 		components = allocator.allocate<unsigned int>(vertex_count);
-		component_count = buildComponents(components, vertex_count, indices, index_count, remap);
+		component_count = buildComponents(components, vertex_count, result, index_count, remap);
 
 		component_errors = allocator.allocate<float>(component_count * 6); // overallocate for temporary use inside measureComponents
 		measureComponents(component_errors, component_count, components, vertex_positions, vertex_count);

From 8078703b8233463b4ea795e875ab33c674c6e76d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 21 Sep 2024 23:02:53 -0700
Subject: [PATCH 307/581] demo: Add .obj support to simplification demo

OBJ files require somewhat special handling for integration: they don't
carry an index buffer so we need to reindex them, and they represent
multiple materials via geometry groups which conflicts with our use of
debug information; since we don't support materials atm, clearing the
groups works.
---
 demo/simplify.html | 84 ++++++++++++++++++++++++++++++++--------------
 1 file changed, 59 insertions(+), 25 deletions(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index da6d89ebd4..ff0f69c1ef 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -50,6 +50,7 @@
 		<script type="module">
 			import * as THREE from 'three';
 			import { GLTFLoader } from 'three-examples/loaders/GLTFLoader.js';
+			import { OBJLoader } from 'three-examples/loaders/OBJLoader.js';
 			import { OrbitControls } from 'three-examples/controls/OrbitControls.js';
 			import { mergeVertices } from 'three-examples/utils/BufferGeometryUtils.js';
 			import { MeshoptDecoder } from '../js/meshopt_decoder.module.js';
@@ -85,9 +86,11 @@
 					var input = document.createElement('input');
 					input.type = 'file';
 					input.onchange = function () {
-						var uri = URL.createObjectURL(input.files[0]);
+						var file = input.files[0];
+						var uri = URL.createObjectURL(file);
+						var ext = file.name.split('.').pop().toLowerCase();
 
-						load(uri);
+						load(uri, ext);
 						controls.reset();
 					};
 					input.click();
@@ -136,7 +139,7 @@
 
 			updateSettings();
 			init();
-			load('pirate.glb');
+			load('pirate.glb', 'glb');
 			animate();
 
 			function updateSettings() {
@@ -418,7 +421,7 @@
 				});
 			}
 
-			function load(path) {
+			function load(path, ext) {
 				if (model) {
 					scene.remove(model);
 					model = undefined;
@@ -429,31 +432,62 @@
 					console.log(e);
 				};
 
-				var loader = new GLTFLoader();
-				loader.setMeshoptDecoder(MeshoptDecoder);
-				loader.load(
-					path,
-					function (gltf) {
-						model = gltf.scene;
+				function center(model) {
+					var bbox = new THREE.Box3().setFromObject(model);
+					var scale = 2 / Math.max(bbox.max.x - bbox.min.x, bbox.max.y - bbox.min.y, bbox.max.z - bbox.min.z);
+					var offset = new THREE.Vector3().addVectors(bbox.max, bbox.min).multiplyScalar(scale / 2);
 
-						var bbox = new THREE.Box3().setFromObject(model);
-						var scale = 2 / Math.max(bbox.max.x - bbox.min.x, bbox.max.y - bbox.min.y, bbox.max.z - bbox.min.z);
-						var offset = new THREE.Vector3().addVectors(bbox.max, bbox.min).multiplyScalar(scale / 2);
-
-						model.scale.set(scale, scale, scale);
-						model.position.set(-offset.x, -offset.y, -offset.z);
+					model.scale.set(scale, scale, scale);
+					model.position.set(-offset.x, -offset.y, -offset.z);
+				}
 
-						scene.add(model);
+				if (ext == 'gltf' || ext == 'glb') {
+					var loader = new GLTFLoader();
+					loader.setMeshoptDecoder(MeshoptDecoder);
+					loader.load(
+						path,
+						function (gltf) {
+							model = gltf.scene;
+							center(model);
+							scene.add(model);
 
-						mixer = new THREE.AnimationMixer(model);
+							mixer = new THREE.AnimationMixer(model);
 
-						if (gltf.animations.length) {
-							mixer.clipAction(gltf.animations[gltf.animations.length - 1]).play();
-						}
-					},
-					onProgress,
-					onError
-				);
+							if (gltf.animations.length) {
+								mixer.clipAction(gltf.animations[gltf.animations.length - 1]).play();
+							}
+						},
+						onProgress,
+						onError
+					);
+				} else if (ext == 'obj') {
+					var loader = new OBJLoader();
+					loader.load(
+						path,
+						function (obj) {
+							obj.traverse(function (node) {
+								if (node.isMesh) {
+									// obj loader does not index the geometry, so we need to do it ourselves
+									node.geometry = mergeVertices(node.geometry, 0.0);
+
+									// we use groups and multiple materials for debug visualization, so merge all of the source ones for now
+									if (Array.isArray(node.material)) {
+										node.material = node.material[0];
+										node.geometry.clearGroups();
+									}
+								}
+							});
+
+							model = obj;
+							center(model);
+							scene.add(model);
+						},
+						onProgress,
+						onError
+					);
+				} else {
+					console.error('Unsupported file format');
+				}
 			}
 
 			function init() {

From d62444a03f70ba9a6c82a01000c3e6b5c143323a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 24 Sep 2024 12:48:56 -0700
Subject: [PATCH 308/581] simplify: Switch to approximate spherical error for
 components

Instead of computing an AABB and using half diagonal as an error,
compute an approximate sphere bounds and use radius as an error.

This makes the error rotationally invariant (modulo inaccuracies of the
computation), and produces a more reasonable pruning order in practice
on a few test meshes, although both measurement methods have their own
issues.
---
 src/simplifier.cpp | 57 ++++++++++++++++++++++++++++------------------
 1 file changed, 35 insertions(+), 22 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 2344d5357e..d5869b8ef1 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1392,43 +1392,56 @@ static size_t buildComponents(unsigned int* components, size_t vertex_count, con
 
 static void measureComponents(float* component_errors, size_t component_count, const unsigned int* components, const Vector3* vertex_positions, size_t vertex_count)
 {
+	memset(component_errors, 0, component_count * 4 * sizeof(float));
+
+	// compute approximate sphere center for each component as an average
+	for (size_t i = 0; i < vertex_count; ++i)
+	{
+		unsigned int c = components[i];
+		assert(components[i] < component_count);
+
+		Vector3 v = vertex_positions[i]; // copy avoids aliasing issues
+
+		component_errors[c * 4 + 0] += v.x;
+		component_errors[c * 4 + 1] += v.y;
+		component_errors[c * 4 + 2] += v.z;
+		component_errors[c * 4 + 3] += 1; // weight
+	}
+
+	// complete the center computation, and reinitialize [3] as a radius
 	for (size_t i = 0; i < component_count; ++i)
 	{
-		component_errors[i * 6 + 0] = FLT_MAX;
-		component_errors[i * 6 + 1] = FLT_MAX;
-		component_errors[i * 6 + 2] = FLT_MAX;
+		float w = component_errors[i * 4 + 3];
+		float iw = w == 0.f ? 0.f : 1.f / w;
 
-		component_errors[i * 6 + 3] = -FLT_MAX;
-		component_errors[i * 6 + 4] = -FLT_MAX;
-		component_errors[i * 6 + 5] = -FLT_MAX;
+		component_errors[i * 4 + 0] *= iw;
+		component_errors[i * 4 + 1] *= iw;
+		component_errors[i * 4 + 2] *= iw;
+		component_errors[i * 4 + 3] = 0; // radius
 	}
 
+	// compute squared radius for each component
 	for (size_t i = 0; i < vertex_count; ++i)
 	{
 		unsigned int c = components[i];
-		assert(c < component_count);
 
-		for (int k = 0; k < 3; ++k)
-		{
-			float v = (&vertex_positions[i].x)[k];
+		float dx = vertex_positions[i].x - component_errors[c * 4 + 0];
+		float dy = vertex_positions[i].y - component_errors[c * 4 + 1];
+		float dz = vertex_positions[i].z - component_errors[c * 4 + 2];
+		float r = dx * dx + dy * dy + dz * dz;
 
-			component_errors[c * 6 + k + 0] = component_errors[c * 6 + k + 0] > v ? v : component_errors[c * 6 + k + 0];
-			component_errors[c * 6 + k + 3] = component_errors[c * 6 + k + 3] < v ? v : component_errors[c * 6 + k + 3];
-		}
+		component_errors[c * 4 + 3] = component_errors[c * 4 + 3] < r ? r : component_errors[c * 4 + 3];
 	}
 
+	// we've used the output buffer as scratch space, so we need to move the results to proper indices
 	for (size_t i = 0; i < component_count; ++i)
 	{
-		float ex = component_errors[i * 6 + 3] - component_errors[i * 6 + 0];
-		float ey = component_errors[i * 6 + 4] - component_errors[i * 6 + 1];
-		float ez = component_errors[i * 6 + 5] - component_errors[i * 6 + 2];
-
-		// note: we keep the squared error to make it match quadric error metric
-		component_errors[i] = (ex * ex + ey * ey + ez * ez) * 0.25f;
-
 #if TRACE > 1
-		printf("component %d (%f %f %f) => %f\n", int(i), ex, ey, ez, sqrtf(component_errors[i]));
+		printf("component %d: center %f %f %f, error %e\n", int(i),
+		    component_errors[i * 4 + 0], component_errors[i * 4 + 1], component_errors[i * 4 + 2], sqrtf(component_errors[i * 4 + 3]));
 #endif
+		// note: we keep the squared error to make it match quadric error metric
+		component_errors[i] = component_errors[i * 4 + 3];
 	}
 }
 
@@ -1881,7 +1894,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 		components = allocator.allocate<unsigned int>(vertex_count);
 		component_count = buildComponents(components, vertex_count, result, index_count, remap);
 
-		component_errors = allocator.allocate<float>(component_count * 6); // overallocate for temporary use inside measureComponents
+		component_errors = allocator.allocate<float>(component_count * 4); // overallocate for temporary use inside measureComponents
 		measureComponents(component_errors, component_count, components, vertex_positions, vertex_count);
 
 #if TRACE

From 8bac0df5ffeec38904df62b62060d19b60119a5f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 24 Sep 2024 15:02:27 -0700
Subject: [PATCH 309/581] demo: Update basic demo flow with pruning

This allows us to test on a wider mesh set with and without pruning.
---
 demo/main.cpp | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 6af3422880..b10389ce8a 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -451,7 +451,7 @@ void packMesh(std::vector<PackedVertexOct>& pv, const std::vector<Vertex>& verti
 	}
 }
 
-void simplify(const Mesh& mesh, float threshold = 0.2f)
+void simplify(const Mesh& mesh, float threshold = 0.2f, unsigned int options = 0)
 {
 	Mesh lod;
 
@@ -462,7 +462,7 @@ void simplify(const Mesh& mesh, float threshold = 0.2f)
 	float result_error = 0;
 
 	lod.indices.resize(mesh.indices.size()); // note: simplify needs space for index_count elements in the destination array, not target_index_count
-	lod.indices.resize(meshopt_simplify(&lod.indices[0], &mesh.indices[0], mesh.indices.size(), &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), target_index_count, target_error, 0, &result_error));
+	lod.indices.resize(meshopt_simplify(&lod.indices[0], &mesh.indices[0], mesh.indices.size(), &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), target_index_count, target_error, options, &result_error));
 
 	lod.vertices.resize(lod.indices.size() < mesh.vertices.size() ? lod.indices.size() : mesh.vertices.size()); // note: this is just to reduce the cost of resize()
 	lod.vertices.resize(meshopt_optimizeVertexFetch(&lod.vertices[0], &lod.indices[0], lod.indices.size(), &mesh.vertices[0], mesh.vertices.size(), sizeof(Vertex)));
@@ -476,7 +476,7 @@ void simplify(const Mesh& mesh, float threshold = 0.2f)
 	    (end - start) * 1000);
 }
 
-void simplifyAttr(const Mesh& mesh, float threshold = 0.2f)
+void simplifyAttr(const Mesh& mesh, float threshold = 0.2f, unsigned int options = 0)
 {
 	Mesh lod;
 
@@ -490,7 +490,7 @@ void simplifyAttr(const Mesh& mesh, float threshold = 0.2f)
 	const float attr_weights[3] = {nrm_weight, nrm_weight, nrm_weight};
 
 	lod.indices.resize(mesh.indices.size()); // note: simplify needs space for index_count elements in the destination array, not target_index_count
-	lod.indices.resize(meshopt_simplifyWithAttributes(&lod.indices[0], &mesh.indices[0], mesh.indices.size(), &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), &mesh.vertices[0].nx, sizeof(Vertex), attr_weights, 3, NULL, target_index_count, target_error, 0, &result_error));
+	lod.indices.resize(meshopt_simplifyWithAttributes(&lod.indices[0], &mesh.indices[0], mesh.indices.size(), &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), &mesh.vertices[0].nx, sizeof(Vertex), attr_weights, 3, NULL, target_index_count, target_error, options, &result_error));
 
 	lod.vertices.resize(lod.indices.size() < mesh.vertices.size() ? lod.indices.size() : mesh.vertices.size()); // note: this is just to reduce the cost of resize()
 	lod.vertices.resize(meshopt_optimizeVertexFetch(&lod.vertices[0], &lod.indices[0], lod.indices.size(), &mesh.vertices[0], mesh.vertices.size(), sizeof(Vertex)));
@@ -1372,6 +1372,7 @@ void process(const char* path)
 	encodeVertex<PackedVertexOct>(copy, "O");
 
 	simplify(mesh);
+	simplify(mesh, 0.1f, meshopt_SimplifyPrune);
 	simplifyAttr(mesh);
 	simplifySloppy(mesh);
 	simplifyComplete(mesh);
@@ -1391,7 +1392,7 @@ void processDev(const char* path)
 	if (!loadMesh(mesh, path))
 		return;
 
-	simplifyAttr(mesh);
+	simplifyAttr(mesh, 0.1f, meshopt_SimplifyPrune);
 }
 
 void processNanite(const char* path)

From 145788e806b80b3f332ed5d5256e3d92f1b5344f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 24 Sep 2024 15:11:13 -0700
Subject: [PATCH 310/581] demo: Add a small coverage test for debug information

This is not part of public API but it would be helpful to validate that
this code actually works. Also reformat the basic simplify() test in a
way that clang-format won't unformat back.
---
 demo/tests.cpp | 76 ++++++++++++++++++++++++++++++--------------------
 1 file changed, 46 insertions(+), 30 deletions(-)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 52122620c2..8f9179fa66 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -909,39 +909,19 @@ static void simplify()
 	// 1 2
 	// 3 4 5
 	unsigned int ib[] = {
-	    0,
-	    2,
-	    1,
-	    1,
-	    2,
-	    3,
-	    3,
-	    2,
-	    4,
-	    2,
-	    5,
-	    4,
+	    0, 2, 1,
+	    1, 2, 3,
+	    3, 2, 4,
+	    2, 5, 4, // clang-format :-/
 	};
 
 	float vb[] = {
-	    0,
-	    4,
-	    0,
-	    0,
-	    1,
-	    0,
-	    2,
-	    2,
-	    0,
-	    0,
-	    0,
-	    0,
-	    1,
-	    0,
-	    0,
-	    4,
-	    0,
-	    0,
+	    0, 4, 0,
+	    0, 1, 0,
+	    2, 2, 0,
+	    0, 0, 0,
+	    1, 0, 0,
+	    4, 0, 0, // clang-format :-/
 	};
 
 	unsigned int expected[] = {
@@ -1431,6 +1411,41 @@ static void simplifySeamFake()
 	assert(meshopt_simplify(ib, ib, 6, vb, 4, 16, 0, 1.f, 0, NULL) == 6);
 }
 
+static void simplifyDebug()
+{
+	// 0
+	// 1 2
+	// 3 4 5
+	unsigned int ib[] = {
+	    0, 2, 1,
+	    1, 2, 3,
+	    3, 2, 4,
+	    2, 5, 4, // clang-format :-/
+	};
+
+	float vb[] = {
+	    0, 4, 0,
+	    0, 1, 0,
+	    2, 2, 0,
+	    0, 0, 0,
+	    1, 0, 0,
+	    4, 0, 0, // clang-format :-/
+	};
+
+	unsigned int expected[] = {
+	    0 | (9u << 28),
+	    5 | (9u << 28),
+	    3 | (9u << 28),
+	};
+
+	const unsigned int meshopt_SimplifyInternalDebug = 1 << 30;
+
+	float error;
+	assert(meshopt_simplify(ib, ib, 12, vb, 6, 12, 3, 1e-2f, meshopt_SimplifyInternalDebug, &error) == 3);
+	assert(error == 0.f);
+	assert(memcmp(ib, expected, sizeof(expected)) == 0);
+}
+
 static void adjacency()
 {
 	// 0 1/4
@@ -1687,6 +1702,7 @@ void runTests()
 	simplifyErrorAbsolute();
 	simplifySeam();
 	simplifySeamFake();
+	simplifyDebug();
 
 	adjacency();
 	tessellation();

From 3ce962587d1f7ede811a259798bb0919cab71eb3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 24 Sep 2024 15:17:50 -0700
Subject: [PATCH 311/581] demo: Add a basic test for pruning

Here we have one degenerate triangle that has all three vertices locked
(and is not topologically degenerate); this triangle can not be
collapsed normally, however pruning collapses it as it has zero error,
just as the other collapses here.

We also check that the resulting small mesh can be processed with
pruning enabled without triggering any assertions.
---
 demo/tests.cpp | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 8f9179fa66..1c39e34f4d 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1446,6 +1446,50 @@ static void simplifyDebug()
 	assert(memcmp(ib, expected, sizeof(expected)) == 0);
 }
 
+static void simplifyPrune()
+{
+	// 0
+	// 1 2
+	// 3 4 5
+	// +
+	// 6 7 8 (same position)
+	unsigned int ib[] = {
+	    0, 2, 1,
+	    1, 2, 3,
+	    3, 2, 4,
+	    2, 5, 4,
+	    6, 7, 8, // clang-format :-/
+	};
+
+	float vb[] = {
+	    0, 4, 0,
+	    0, 1, 0,
+	    2, 2, 0,
+	    0, 0, 0,
+	    1, 0, 0,
+	    4, 0, 0,
+	    1, 1, 1,
+	    1, 1, 1,
+	    1, 1, 1, // clang-format :-/
+	};
+
+	unsigned int expected[] = {
+	    0,
+	    5,
+	    3,
+	};
+
+	float error;
+	assert(meshopt_simplify(ib, ib, 15, vb, 9, 12, 3, 1e-2f, meshopt_SimplifyPrune, &error) == 3);
+	assert(error == 0.f);
+	assert(memcmp(ib, expected, sizeof(expected)) == 0);
+
+	// re-run prune with and without sparsity on a small subset to make sure the component code correctly handles sparse subsets
+	assert(meshopt_simplify(ib, ib, 3, vb, 9, 12, 3, 1e-2f, meshopt_SimplifyPrune, &error) == 3);
+	assert(meshopt_simplify(ib, ib, 3, vb, 9, 12, 3, 1e-2f, meshopt_SimplifyPrune | meshopt_SimplifySparse, &error) == 3);
+	assert(memcmp(ib, expected, sizeof(expected)) == 0);
+}
+
 static void adjacency()
 {
 	// 0 1/4
@@ -1703,6 +1747,7 @@ void runTests()
 	simplifySeam();
 	simplifySeamFake();
 	simplifyDebug();
+	simplifyPrune();
 
 	adjacency();
 	tessellation();

From 5efc6c82ab3d4c9a948d547e07d5840a7791af38 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 24 Sep 2024 15:38:42 -0700
Subject: [PATCH 312/581] tools: Add simplification with pruning to fuzzer

This mostly tests connected components code for correctness on odd
topology and sparse inputs.
---
 tools/simplifyfuzz.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/simplifyfuzz.cpp b/tools/simplifyfuzz.cpp
index ab7949495a..4c3ba875a1 100644
--- a/tools/simplifyfuzz.cpp
+++ b/tools/simplifyfuzz.cpp
@@ -33,6 +33,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* buffer, size_t size)
 	meshopt_simplify(res, ib, indices, vb[0], 100, sizeof(float) * 4, 0, FLT_MAX, 0, NULL);
 	meshopt_simplify(res, ib, indices, vb[0], 100, sizeof(float) * 4, 0, FLT_MAX, meshopt_SimplifyLockBorder, NULL);
 	meshopt_simplify(res, ib, indices, vb[0], 100, sizeof(float) * 4, 0, FLT_MAX, meshopt_SimplifySparse, NULL);
+	meshopt_simplify(res, ib, indices, vb[0], 100, sizeof(float) * 4, 0, FLT_MAX, meshopt_SimplifyPrune, NULL);
 
 	return 0;
 }

From e8f7df3a439251f9e42e1d3524cdb8718b320d61 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 24 Sep 2024 16:52:57 -0700
Subject: [PATCH 313/581] js: Switch from _Prune to Prune flag name with an
 experimental check

Instead of inventing a new way to safeguard experimental features like
Prune in the simplifier, we can use the already-existing method of
requiring useExperimentalFeatures enablement. This is cleaner as we can
advertise this flag via type definitions.
---
 demo/simplify.html                | 2 +-
 js/meshopt_simplifier.js          | 3 ++-
 js/meshopt_simplifier.module.d.ts | 2 +-
 js/meshopt_simplifier.module.js   | 3 ++-
 4 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index dd7f91b71c..f4fb95e0b1 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -202,7 +202,7 @@
 					flags.push('LockBorder');
 				}
 				if (settings.prune) {
-					flags.push('_Prune');
+					flags.push('Prune');
 				}
 
 				var stride = geo.attributes.position instanceof THREE.InterleavedBufferAttribute ? geo.attributes.position.data.stride : 3;
diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index ed6977fe87..bb8046b6ce 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -197,7 +197,7 @@ var MeshoptSimplifier = (function () {
 		LockBorder: 1,
 		Sparse: 2,
 		ErrorAbsolute: 4,
-		_Prune: 8, // experimental
+		Prune: 8,
 		_InternalDebug: 1 << 30, // internal, don't use!
 	};
 
@@ -234,6 +234,7 @@ var MeshoptSimplifier = (function () {
 			var options = 0;
 			for (var i = 0; i < (flags ? flags.length : 0); ++i) {
 				assert(flags[i] in simplifyOptions);
+				assert(this.useExperimentalFeatures || flags[i] != 'Prune'); // set useExperimentalFeatures to use experimental flags like Prune
 				options |= simplifyOptions[flags[i]];
 			}
 
diff --git a/js/meshopt_simplifier.module.d.ts b/js/meshopt_simplifier.module.d.ts
index c4732514c1..c8b7763e41 100644
--- a/js/meshopt_simplifier.module.d.ts
+++ b/js/meshopt_simplifier.module.d.ts
@@ -1,6 +1,6 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-export type Flags = 'LockBorder' | 'Sparse' | 'ErrorAbsolute';
+export type Flags = 'LockBorder' | 'Sparse' | 'ErrorAbsolute' | 'Prune';
 
 export const MeshoptSimplifier: {
 	supported: boolean;
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index c4a6f24108..d5b1b5c326 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -196,7 +196,7 @@ var MeshoptSimplifier = (function () {
 		LockBorder: 1,
 		Sparse: 2,
 		ErrorAbsolute: 4,
-		_Prune: 8, // experimental
+		Prune: 8,
 		_InternalDebug: 1 << 30, // internal, don't use!
 	};
 
@@ -233,6 +233,7 @@ var MeshoptSimplifier = (function () {
 			var options = 0;
 			for (var i = 0; i < (flags ? flags.length : 0); ++i) {
 				assert(flags[i] in simplifyOptions);
+				assert(this.useExperimentalFeatures || flags[i] != 'Prune'); // set useExperimentalFeatures to use experimental flags like Prune
 				options |= simplifyOptions[flags[i]];
 			}
 

From b1bead85a40217ca5f2f985dedb7594ef157ae39 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 25 Sep 2024 10:13:07 -0700
Subject: [PATCH 314/581] gltfpack: Enable pruning during simplification

This should probably be unambiguously a good idea, especially given the
default low error target. If this ends up being a bad idea, we can
revert this or expose a separate option; for now, -slb will disable this
because pruning doesn't respect locked borders.
---
 gltf/mesh.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 10fea92d1e..222617ad35 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -625,9 +625,13 @@ static void simplifyMesh(Mesh& mesh, float threshold, float error, bool attribut
 	size_t target_index_count = size_t(double(mesh.indices.size() / 3) * threshold) * 3;
 	float target_error = error;
 	float target_error_aggressive = 1e-1f;
+
 	unsigned int options = 0;
 	if (lock_borders)
 		options |= meshopt_SimplifyLockBorder;
+	else
+		options |= meshopt_SimplifyPrune;
+
 	if (debug)
 		options |= meshopt_SimplifyInternalDebug;
 

From a8130f32522fa276bbb25c1373a22fc452fb5764 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 25 Sep 2024 11:42:30 -0700
Subject: [PATCH 315/581] simplify: Iteratively prune components until error
 limit

In addition to pruning after each pass, where we are limiting the error
by the current worst-case error reached, we now also prune components at
the end of simplification with a series of passes of increasing error.

This helps on meshes where available edge collapses are very low error
so the total error must increase to prune components; without this
meshes would be stuck at a higher triangle count. This also improves the
behavior with varying target_error: if some edge collapses have error
1.1e-2, and some components have an error 0.9e-2, then without this we
might see components pruned with target error 1.2e-2 but not with 1e-2
because earlier edges might have lower error.
---
 src/simplifier.cpp | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index d5869b8ef1..4a71879309 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1972,6 +1972,36 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	if ((options & meshopt_SimplifyPrune) && result_count > target_index_count)
 		result_count = pruneComponents(result, result_count, components, component_errors, result_error);
 
+	// we're done with the regular simplification but we're still short of the target; try pruning more aggressively towards error_limit
+	while ((options & meshopt_SimplifyPrune) && result_count > target_index_count)
+	{
+		float component_nexterror = FLT_MAX;
+		for (size_t i = 0; i < component_count; ++i)
+			if (component_errors[i] > result_error && component_errors[i] < component_nexterror)
+				component_nexterror = component_errors[i];
+
+		if (component_nexterror == FLT_MAX || component_nexterror > error_limit)
+			break;
+
+#if TRACE
+		printf("pass %d: pruning remaining components\n", int(pass_count++));
+#endif
+
+		float component_cutoff = component_nexterror * 1.5f < error_limit ? component_nexterror * 1.5f : error_limit;
+
+		float component_maxerror = 0;
+		for (size_t i = 0; i < component_count; ++i)
+			if (component_errors[i] > component_maxerror && component_errors[i] <= component_cutoff)
+				component_maxerror = component_errors[i];
+
+		size_t new_count = pruneComponents(result, result_count, components, component_errors, component_cutoff);
+		if (new_count == result_count)
+			break;
+
+		result_count = new_count;
+		result_error = result_error < component_maxerror ? component_maxerror : result_error;
+	}
+
 #if TRACE
 	printf("result: %d triangles, error: %e; total %d passes\n", int(result_count / 3), sqrtf(result_error), int(pass_count));
 #endif

From ef9b0ebfe664d4e640d16cf5ce8a9c57e3792665 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 25 Sep 2024 13:07:25 -0700
Subject: [PATCH 316/581] simplify: Keep track of the next component error

Instead of only computing the next component error at the end of the
collapse loop, we keep track of it as we prune components. This is
fairly cheap, as usually the number of components is much smaller than
the number of indices at any point in time, and this helps us avoid
calling pruneComponents excessively: after this change, while the
behavior of simplification stays the same, only ~1% of calls to
pruneComponents end up removing no triangles (which happens when the
component was entirely removed through edge collapses).
---
 src/simplifier.cpp | 36 +++++++++++++++++-------------------
 1 file changed, 17 insertions(+), 19 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 4a71879309..cf502e6e76 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1445,7 +1445,7 @@ static void measureComponents(float* component_errors, size_t component_count, c
 	}
 }
 
-static size_t pruneComponents(unsigned int* indices, size_t index_count, const unsigned int* components, const float* component_errors, float error_cutoff)
+static size_t pruneComponents(unsigned int* indices, size_t index_count, const unsigned int* components, const float* component_errors, size_t component_count, float error_cutoff, float& nexterror)
 {
 	size_t write = 0;
 
@@ -1463,6 +1463,11 @@ static size_t pruneComponents(unsigned int* indices, size_t index_count, const u
 		}
 	}
 
+	nexterror = FLT_MAX;
+	for (size_t i = 0; i < component_count; ++i)
+		if (component_errors[i] > error_cutoff)
+			nexterror = nexterror > component_errors[i] ? component_errors[i] : nexterror;
+
 #if TRACE
 	if (write < index_count)
 		printf("pruned %d / %d triangles (error <= %e)\n", int((index_count - write) / 3), int(index_count / 3), sqrtf(error_cutoff));
@@ -1888,6 +1893,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	unsigned int* components = NULL;
 	float* component_errors = NULL;
 	size_t component_count = 0;
+	float component_nexterror = 0;
 
 	if (options & meshopt_SimplifyPrune)
 	{
@@ -1897,12 +1903,12 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 		component_errors = allocator.allocate<float>(component_count * 4); // overallocate for temporary use inside measureComponents
 		measureComponents(component_errors, component_count, components, vertex_positions, vertex_count);
 
-#if TRACE
-		float component_minerror = FLT_MAX;
+		component_nexterror = FLT_MAX;
 		for (size_t i = 0; i < component_count; ++i)
-			component_minerror = component_minerror > component_errors[i] ? component_errors[i] : component_minerror;
+			component_nexterror = component_nexterror > component_errors[i] ? component_errors[i] : component_nexterror;
 
-		printf("components: %d (min error %e)\n", int(component_count), sqrtf(component_minerror));
+#if TRACE
+		printf("components: %d (min error %e)\n", int(component_count), sqrtf(component_nexterror));
 #endif
 	}
 
@@ -1965,24 +1971,16 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 
 		result_count = new_count;
 
-		if ((options & meshopt_SimplifyPrune) && result_count > target_index_count)
-			result_count = pruneComponents(result, result_count, components, component_errors, result_error);
+		if ((options & meshopt_SimplifyPrune) && result_count > target_index_count && component_nexterror <= result_error)
+			result_count = pruneComponents(result, result_count, components, component_errors, component_count, result_error, component_nexterror);
 	}
 
-	if ((options & meshopt_SimplifyPrune) && result_count > target_index_count)
-		result_count = pruneComponents(result, result_count, components, component_errors, result_error);
+	if ((options & meshopt_SimplifyPrune) && result_count > target_index_count && component_nexterror <= result_error)
+		result_count = pruneComponents(result, result_count, components, component_errors, component_count, result_error, component_nexterror);
 
 	// we're done with the regular simplification but we're still short of the target; try pruning more aggressively towards error_limit
-	while ((options & meshopt_SimplifyPrune) && result_count > target_index_count)
+	while ((options & meshopt_SimplifyPrune) && result_count > target_index_count && component_nexterror <= error_limit)
 	{
-		float component_nexterror = FLT_MAX;
-		for (size_t i = 0; i < component_count; ++i)
-			if (component_errors[i] > result_error && component_errors[i] < component_nexterror)
-				component_nexterror = component_errors[i];
-
-		if (component_nexterror == FLT_MAX || component_nexterror > error_limit)
-			break;
-
 #if TRACE
 		printf("pass %d: pruning remaining components\n", int(pass_count++));
 #endif
@@ -1994,7 +1992,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 			if (component_errors[i] > component_maxerror && component_errors[i] <= component_cutoff)
 				component_maxerror = component_errors[i];
 
-		size_t new_count = pruneComponents(result, result_count, components, component_errors, component_cutoff);
+		size_t new_count = pruneComponents(result, result_count, components, component_errors, component_count, component_cutoff, component_nexterror);
 		if (new_count == result_count)
 			break;
 

From 97f632fac1f15b8e8823e909fdd84bc84dad5df5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 25 Sep 2024 13:24:51 -0700
Subject: [PATCH 317/581] simplify: Slightly improve tracing for pruning

Since we rarely have no-op pruning now, it should be fine to always
print pruning stats; this also makes it easier for us to print single
line traces for the cleanup passes.
---
 src/simplifier.cpp | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index cf502e6e76..e37d674bf0 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1463,16 +1463,20 @@ static size_t pruneComponents(unsigned int* indices, size_t index_count, const u
 		}
 	}
 
+#if TRACE
+	size_t pruned_components = 0;
+	for (size_t i = 0; i < component_count; ++i)
+		pruned_components += (component_errors[i] >= nexterror && component_errors[i] <= error_cutoff);
+
+	printf("pruned %d triangles in %d components (goal %e)\n", int((index_count - write) / 3), int(pruned_components), sqrtf(error_cutoff));
+#endif
+
+	// update next error with the smallest error of the remaining components for future pruning
 	nexterror = FLT_MAX;
 	for (size_t i = 0; i < component_count; ++i)
 		if (component_errors[i] > error_cutoff)
 			nexterror = nexterror > component_errors[i] ? component_errors[i] : nexterror;
 
-#if TRACE
-	if (write < index_count)
-		printf("pruned %d / %d triangles (error <= %e)\n", int((index_count - write) / 3), int(index_count / 3), sqrtf(error_cutoff));
-#endif
-
 	return write;
 }
 
@@ -1982,11 +1986,12 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 	while ((options & meshopt_SimplifyPrune) && result_count > target_index_count && component_nexterror <= error_limit)
 	{
 #if TRACE
-		printf("pass %d: pruning remaining components\n", int(pass_count++));
+		printf("pass %d: cleanup; ", int(pass_count++));
 #endif
 
 		float component_cutoff = component_nexterror * 1.5f < error_limit ? component_nexterror * 1.5f : error_limit;
 
+		// track maximum error in eligible components as we are increasing resulting error
 		float component_maxerror = 0;
 		for (size_t i = 0; i < component_count; ++i)
 			if (component_errors[i] > component_maxerror && component_errors[i] <= component_cutoff)

From 0bb37838463f1d52ef8d89d73b54db95139dcb47 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 25 Sep 2024 13:58:03 -0700
Subject: [PATCH 318/581] simplify: Remove a seemingly redundant call to
 pruneComponents

This was originally added so that we have a pruneComponents call at the
end of any simplification process. However, since pruneComponents will
only do work if the error has increased since last time, and early-outs
from the edge collapse loop are only possible if the error has not
updated, even before cleanup passes this should have been redundant with
a rare exception of pruning zero-error components in a fully locked mesh.

With the cleanup passes this is entirely redundant now, and is never hit
on any real test meshes.
---
 src/simplifier.cpp | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index e37d674bf0..927da0e1dd 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1979,9 +1979,6 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 			result_count = pruneComponents(result, result_count, components, component_errors, component_count, result_error, component_nexterror);
 	}
 
-	if ((options & meshopt_SimplifyPrune) && result_count > target_index_count && component_nexterror <= result_error)
-		result_count = pruneComponents(result, result_count, components, component_errors, component_count, result_error, component_nexterror);
-
 	// we're done with the regular simplification but we're still short of the target; try pruning more aggressively towards error_limit
 	while ((options & meshopt_SimplifyPrune) && result_count > target_index_count && component_nexterror <= error_limit)
 	{

From 0c87320ae7edff6ce58c25a7d11f6686b785022e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 25 Sep 2024 13:27:48 -0700
Subject: [PATCH 319/581] js: Update simplifier Wasm binaries

This adds pruning support as well as aggregated improvements from prior
changes.
---
 js/meshopt_simplifier.js        | 2 +-
 js/meshopt_simplifier.module.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index bb8046b6ce..c37e32da20 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -5,7 +5,7 @@ var MeshoptSimplifier = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
-		'b9H79Tebbbe9Hk9Geueu9Geub9Gbb9Gsuuuuuuuuuuuu99uueu9Gvuuuuub9Gvuuuuue999Gquuuuuuu99uueu9Gwuuuuuu99ueu9Giuuue999Gluuuueu9GiuuueuizsdilvoirwDbqqbeqlve9Weiiviebeoweuecj:Pdkr:Tewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bbz9TW79O9V9Wt9F79P9T9W29P9M95bl8E9TW79O9V9Wt9F79P9T9W29P9M959x9Pt9OcttV9P9I91tW7bvQ9TW79O9V9Wt9F79P9T9W29P9M959q9V9P9Ut7boX9TW79O9V9Wt9F79P9T9W29P9M959t9J9H2Wbra9TW79O9V9Wt9F9V9Wt9P9T9P96W9wWVtW94SWt9J9O9sW9T9H9Wbwl79IV9RbDDwebcekdmxq;ejesdbk;29xi8Au8A99Ou8Jjjjjbc;W;ab9Rgs8Kjjjjbcbhzascxfcbc;Kbz:ljjjb8AdnabaeSmbabaeadcdtz:kjjjb8AkdndnamcdGmbcbhHxekasalcrfci4gecbyd;S1jjbHjjjjbbgOBdxasceBd2aOcbaez:ljjjbhAcbhlcbhednadTmbcbhlabheadhOinaAaeydbgCci4fgXaXRbbgXceaCcrGgCtV86bbaXcu7aC4ceGalfhlaeclfheaOcufgOmbkcualcdtalcFFFFi0Ehekasaecbyd;S1jjbHjjjjbbgHBdzascdBd2alcd4alfhCcehOinaOgecethOaeaC6mbkcdhzcbhQascuaecdtgOaecFFFFi0Ecbyd;S1jjbHjjjjbbgCBdCasciBd2aCcFeaOz:ljjjbhLdnadTmbaecufhXcbhKinabaQcdtfgYydbgAc:v;t;h;Ev2hCcbhedndninaLaCaXGgCcdtfg8AydbgOcuSmeaHaOcdtfydbaASmdaecefgeaCfhCaeaX9nmbxdkkaHaKcdtfaABdba8AaKBdbaKhOaKcefhKkaYaOBdbaQcefgQad9hmbkkaLcbyd;O1jjbH:bjjjbbascdBd2kascxfazcdtfcualcefgecdtaecFFFFi0Ecbyd;S1jjbHjjjjbbgEBdbasaEBdlasazceVgeBd2ascxfaecdtfcuadcitadcFFFFe0Ecbyd;S1jjbHjjjjbbg3Bdbasa3BdwasazcdfgeBd2asclfabadalcbz:cjjjbascxfaecdtfcualcdtg5alcFFFFi0Eg8Ecbyd;S1jjbHjjjjbbgOBdbasazcifgeBd2ascxfaecdtfa8Ecbyd;S1jjbHjjjjbbg8FBdbasazclVgaBd2alcd4alfhXcehCinaCgecethCaeaX6mbkcbhKascxfaacdtfghcuaecdtgCaecFFFFi0Ecbyd;S1jjbHjjjjbbgXBdbasazcvVggBd2aXcFeaCz:ljjjbhQdnalTmbavcd4hAaecufhCinaKhednaHTmbaHaKcdtfydbhekaiaeaA2cdtfgeydlgXcH4aX7c:F:b:DD2aeydbgXcH4aX7c;D;O:B8J27aeydwgecH4ae7c:3F;N8N27aCGheaKcdth8JdndndndndnaHTmbaHa8JfhYcbhXinaQaecdtfgLydbg8AcuSmlaiaHa8AcdtfydbaA2cdtfaiaYydbaA2cdtfcxz:ojjjbTmiaXcefgXaefaCGheaXaC9nmbxdkkaiaKaA2cdtfhYcbhXinaQaecdtfgLydbg8AcuSmiaia8AaA2cdtfaYcxz:ojjjbTmdaXcefgXaefaCGheaXaC9nmbkkcbhLkaLydbgecu9hmekaLaKBdbaKhekaOa8JfaeBdbaKcefgKal9hmbkcbhea8FhCinaCaeBdbaCclfhCalaecefge9hmbkcbheaOhCa8FhXindnaeaCydbgASmbaXa8FaAcdtfgAydbBdbaAaeBdbkaCclfhCaXclfhXalaecefge9hmbkkcbh8KaQcbyd;O1jjbH:bjjjbbasaaBd2ahalcbyd;S1jjbHjjjjbbgABdbasagBd2ascxfagcdtfa8Ecbyd;S1jjbHjjjjbbgeBdbasazcofgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbgCBdbasazcrfg8LBd2aecFea5z:ljjjbh8MaCcFea5z: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;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgEBdbasazcwVg8JBd2aEaialavaHz:djjjbh8PdndnaDmbcbhvcbh3xekcbh3awhecbhCindnaeIdbJbbbb9ETmbasc;Wbfa3cdtfaCBdba3cefh3kaeclfheaDaCcefgC9hmbkascxfa8Jcdtfcua3al2gecdtaecFFFFi0Ecbyd;S1jjbHjjjjbbgvBdbasazcDVg8JBd2alTmba3Tmbarcd4hKdnaHTmba3cdthicbhQavhYinaoaHaQcdtfydbaK2cdtfhLasc;WbfheaYhCa3hXinaCaLaeydbcdtg8AfIdbawa8AfIdbNUdbaeclfheaCclfhCaXcufgXmbkaYaifhYaQcefgQal9hmbxdkka3cdthicbhQavhYinaoaQaK2cdtfhLasc;WbfheaYhCa3hXinaCaLaeydbcdtg8AfIdbawa8AfIdbNUdbaeclfheaCclfhCaXcufgXmbkaYaifhYaQcefgQal9hmbkkascxfa8Jcdtfcualc8S2gealc;D;O;f8U0EgXcbyd;S1jjbHjjjjbbgCBdbasa8Jcefg8ABd2aCcbaez:ljjjbh8Kdndndna3Tmbascxfa8AcdtfaXcbyd;S1jjbHjjjjbbgqBdbasa8JcdfgCBd2aqcbaez:ljjjb8AascxfaCcdtfcua3al2gecltgCaecFFFFb0Ecbyd;S1jjbHjjjjbbgzBdbasa8JcifBd2azcbaCz:ljjjb8AadmexdkcbhqcbhzadTmekcbhLabhCindnaEaCclfydbgQcx2fgeIdbaEaCydbgYcx2fgXIdbgI:tg8RaEaCcwfydbgKcx2fg8AIdlaXIdlg8S:tgRNa8AIdbaI:tg8UaeIdla8S:tg8VN:tg8Wa8WNa8Va8AIdwaXIdwg8X:tg8YNaRaeIdwa8X:tg8VN:tgRaRNa8Va8UNa8Ya8RN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOaYcdtfydbc8S2fgeaRa8U:rg8UaRNNg8VaeIdbMUdbaea8Ra8Ua8RNg8ZNg8YaeIdlMUdlaea8Wa8Ua8WNg80Ng81aeIdwMUdwaea8ZaRNg8ZaeIdxMUdxaea80aRNgBaeIdzMUdzaea80a8RNg80aeIdCMUdCaeaRa8Ua8Wa8XNaRaINa8Sa8RNMM: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:q1jjbfRbbTmbaOaXcdtfydbaOa8Acdtfydb0mekJbbacJbbacJbbjZaeceSEaLceSEh80dnaEaQaCc:e1jjbfydbcdtfydbcx2fgeIdwaEa8Acx2fgLIdwg8S:tg8WaEaXcx2fgKIdwa8S:tgRaRNaKIdbaLIdbg8X:tg8Ra8RNaKIdlaLIdlg8V:tg8Ua8UNMMgINa8WaRNaeIdba8X:tg81a8RNa8UaeIdla8V:tg8ZNMMg8YaRN:tg8Wa8WNa81aINa8Ya8RN:tgRaRNa8ZaINa8Ya8UN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOa8Acdtfydbc8S2fgeaRa80aI:rNg8UaRNNg8YaeIdbMUdbaea8Ra8Ua8RNg80Ng81aeIdlMUdlaea8Wa8Ua8WNgINg8ZaeIdwMUdwaea80aRNg80aeIdxMUdxaeaIaRNgBaeIdzMUdzaeaIa8RNg83aeIdCMUdCaeaRa8Ua8Wa8SNaRa8XNa8Va8RNMM:mg8SNgINgRaeIdKMUdKaea8RaINg8RaeId3MUd3aea8WaINg8WaeIdaMUdaaeaIa8SNgIaeId8KMUd8Kaea8UaeIdyMUdya8KaOaXcdtfydbc8S2fgea8YaeIdbMUdbaea81aeIdlMUdlaea8ZaeIdwMUdwaea80aeIdxMUdxaeaBaeIdzMUdzaea83aeIdCMUdCaeaRaeIdKMUdKaea8RaeId3MUd3aea8WaeIdaMUdaaeaIaeId8KMUd8Kaea8UaeIdyMUdykaCclfgCcx9hmbkaYcxfhYaicifgiad6mbka3TmbcbhYinJbbbbh8XaEabaYcdtfgeclfydbgKcx2fgCIdwaEaeydbgicx2fgXIdwg8Z:tg8Ra8RNaCIdbaXIdbgB:tg8Wa8WNaCIdlaXIdlg83:tg8Ua8UNMMg80aEaecwfydbg8Jcx2fgeIdwa8Z:tgINa8Ra8RaINa8WaeIdbaB:tg8SNa8UaeIdla83:tg8VNMMgRN:tJbbbbJbbjZa80aIaINa8Sa8SNa8Va8VNMMg81NaRaRN:tg8Y:va8YJbbbb9BEg8YNhUa81a8RNaIaRN:ta8YNh85a80a8VNa8UaRN:ta8YNh86a81a8UNa8VaRN:ta8YNh87a80a8SNa8WaRN:ta8YNh88a81a8WNa8SaRN:ta8YNh89a8Wa8VNa8Sa8UN:tgRaRNa8UaINa8Va8RN:tgRaRNa8Ra8SNaIa8WN:tgRaRNMM:rJbbbZNhRavaia32g5cdtfhCava8Ja32gwcdtfhXavaKa32gacdtfh8Aa8Z:mh8:a83:mhZaB:mhncbhLa3hQJbbbbh8VJbbbbh8YJbbbbh80Jbbbbh81Jbbbbh8ZJbbbbhBJbbbbh83JbbbbhcJbbbbh9cinasc;WbfaLfgecwfaRa85a8AIdbaCIdbgI:tg8UNaUaXIdbaI:tg8SNMg8RNUdbaeclfaRa87a8UNa86a8SNMg8WNUdbaeaRa89a8UNa88a8SNMg8UNUdbaecxfaRa8: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;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkazaacltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkazawcltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkaYcifgYad6mbkkasydlhJcbhednalTmbaJclfheaJydbh8AaAhCalhLcbhXincbaeydbgQa8A9RaCRbbcpeGEaXfhXaCcefhCaeclfheaQh8AaLcufgLmbkaXce4hekcuadae9Rcifg8Lcx2a8Lc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhhascxfasyd2gecdtfahBdbasaecefgCBd2ascxfaCcdtfcua8Lcdta8LcFFFFi0Ecbyd;S1jjbHjjjjbbgoBdbasaecdfgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbggBdbasaecifgCBd2ascxfaCcdtfalcbyd;S1jjbHjjjjbbg9eBdbasaeclfBd2a8PJbbjZamclGEhcJbbbbh83dnadak9nmbdna8Lci6mbaxaxNacacN:vhBa3clthTahcwfhSJbbbbh83inasclfabadgDalaOz:cjjjbabhicbhdcbhyinabaycdtfh8JcbheindnaOaiaefydbgXcdtgKfydbg8AaOa8Jaec:S1jjbfydbcdtfydbgCcdtfydbgLSmbaAaCfRbbgYcv2aAaXfRbbgQfc;a1jjbfRbbgwaQcv2aYfg5c;a1jjbfRbbgaVcFeGTmbdnaLa8A9nmba5c:q1jjbfRbbcFeGmekdnaQaY9hmbaQcufcFeGce0mba8MaKfydbaC9hmekahadcx2fg8AaCaXaacFeGgLEBdla8AaXaCaLEBdba8AaLawGcb9hBdwadcefhdkaeclfgecx9hmbkdnaycifgyaD9pmbaicxfhiadcifa8L9nmekkdnadmbaDhdxikcbhKinJbbbbJbbjZa8KaOahaKcx2fg8AydlgQa8AydbgLa8AydwgCEgYcdtfydbc8S2fgeIdygR:vaRJbbbb9BEaeIdwaEaLaQaCEgicx2fgCIdwg8UNaeIdzaCIdbgINaeIdaMgRaRMMa8UNaeIdlaCIdlg8SNaeIdCa8UNaeId3MgRaRMMa8SNaeIdbaINaeIdxa8SNaeIdKMgRaRMMaINaeId8KMMM:lNh80JbbbbJbbjZa8KaOaLcdtfydbc8S2fgeIdygR:vaRJbbbb9BEaeIdwaEaQcx2fgCIdwg8WNaeIdzaCIdbg8XNaeIdaMgRaRMMa8WNaeIdlaCIdlg8VNaeIdCa8WNaeId3MgRaRMMa8VNaeIdba8XNaeIdxa8VNaeIdKMgRaRMMa8XNaeId8KMMM:lNh81a8Acwfh8Ja8Aclfh5dna3TmbaqaLc8S2fgXIdwa8WNaXIdza8XNaXIdaMgRaRMMa8WNaXIdla8VNaXIdCa8WNaXId3MgRaRMMa8VNaXIdba8XNaXIdxa8VNaXIdKMgRaRMMa8XNaXId8KMMMhRavaQa32cdtfhCazaLa32cltfheaXIdyh8Ya3hXinaCIdbg8Ra8Ra8YNaecxfIdba8WaecwfIdbNa8XaeIdbNa8VaeclfIdbNMMMg8Ra8RM:tNaRMhRaCclfhCaeczfheaXcufgXmbkaqaYc8S2fgXIdwa8UNaXIdzaINaXIdaMg8Ra8RMMa8UNaXIdla8SNaXIdCa8UNaXId3Mg8Ra8RMMa8SNaXIdbaINaXIdxa8SNaXIdKMg8Ra8RMMaINaXId8KMMMh8Ravaia32cdtfhCazaYa32cltfheaXIdyh8Xa3hXinaCIdbg8Wa8Wa8XNaecxfIdba8UaecwfIdbNaIaeIdbNa8SaeclfIdbNMMMg8Wa8WM:tNa8RMh8RaCclfhCaeczfheaXcufgXmbka80a8R:lMh80a81aR:lMh81ka5aQaia81a809FgeEBdba8AaLaYaeEBdba8Ja81a80aeEUdbaKcefgKad9hmbkasc;Wbfcbcj;abz:ljjjb8AaSheadhCinasc;WbfaeydbcO4c;8ZGfgXaXydbcefBdbaecxfheaCcufgCmbkcbhecbhCinasc;WbfaefgXydbh8AaXaCBdba8AaCfhCaeclfgecj;ab9hmbkcbheaShCinasc;WbfaCydbcO4c;8ZGfgXaXydbgXcefBdbaoaXcdtfaeBdbaCcxfhCadaecefge9hmbkaDak9RgXci9Uh9hdnalTmbcbheaghCinaCaeBdbaCclfhCalaecefge9hmbkkcbh9ia9ecbalz:ljjjbh6aXcO9Uh9ka9hce4h0asydwh9mcbhycbh5dninahaoa5cdtfydbcx2fg8JIdwg8RaB9Emeaya9h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaya9k0mdkdna6aOa8Jydlgicdtg9nfydbg8Afg9oRbba6aOa8JydbgYcdtg9pfydbg9qfg9rRbbVmbaAaYfRbbh9sdnaJa9qcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgwcwfh8EawclfhraEa9qcx2fgacwfh9taaclfh9ucbhCcehKdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRa9uIdbaXIdlg8U:tg8XNaaIdba8W:tg8VaLIdla8U:tg8RN:tgIaRarIdba8U:tg8YNawIdba8W:tg80a8RN:tg8UNa8Ra9tIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8Ra8EIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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:fPdbdlkaqa8Fa9nfydbgXc8S2fgeaqa8Fa9pfydbg8Ac8S2fgCIdbaeIdbMUdbaeaCIdlaeIdlMUdlaeaCIdwaeIdwMUdwaeaCIdxaeIdxMUdxaeaCIdzaeIdzMUdzaeaCIdCaeIdCMUdCaeaCIdKaeIdKMUdKaeaCId3aeId3MUd3aeaCIdaaeIdaMUdaaeaCId8KaeId8KMUd8KaeaCIdyaeIdyMUdyaTa8A2hQaTaX2hKazhCa3h8AinaCaKfgeaCaQfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8Ambkka9sc9: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:cjjjbkdnamcjjjjlGTmbadTmbaHmbcbhLabheinaAaeydbgXfRbbc3thQaecwfgYydbhOdndna8MaXcdtgifydbaeclfgKydbgCSmbcbh8Aa8NaCcdtfydbaX9hmekcjjjj94h8AkaeaQa8AVaXVBdbaAaCfRbbc3thQdndna8MaCcdtfydbaOSmbcbh8Aa8NaOcdtfydbaC9hmekcjjjj94h8AkaKaQa8AVaCVBdbaAaOfRbbc3th8Adndna8MaOcdtfydbaXSmbcbhCa8NaifydbaO9hmekcjjjj94hCkaYa8AaCVaOVBdbaecxfheaLcifgLad6mbkkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5a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// embed! wasm
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hmekaqaEcx2fgAaHaOa8KcFeGgYEBdlaAaOaHaYEBdbaAaYa8AGcb9hBdwaEcefhEkaeclfgecx9hmbkdna5cifg5ad9pmba8Fcxfh8FaEcifaT9nmekkaETmdcbhiinJbbbbJbbjZaDaQaqaicx2fgAydlgKaAydbgYaAydwgHEgLcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaYaKaHEg8Fcx2fgHIdwgRNaeIdzaHIdbg8PNaeIdaMg8Sa8SMMaRNaeIdlaHIdlg8RNaeIdCaRNaeId3Mg8Sa8SMMa8RNaeIdba8PNaeIdxa8RNaeIdKMg8Sa8SMMa8PNaeId8KMMM:lNh80JbbbbJbbjZaDaQaYcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaKcx2fgHIdwg8VNaeIdzaHIdbg8WNaeIdaMg8Sa8SMMa8VNaeIdlaHIdlg8UNaeIdCa8VNaeId3Mg8Sa8SMMa8UNaeIdba8WNaeIdxa8UNaeIdKMg8Sa8SMMa8WNaeId8KMMM:lNh8YaAcwfh3aAclfhwdna8JTmbavaYc8S2fgOIdwa8VNaOIdza8WNaOIdaMg8Sa8SMMa8VNaOIdla8UNaOIdCa8VNaOId3Mg8Sa8SMMa8UNaOIdba8WNaOIdxa8UNaOIdKMg8Sa8SMMa8WNaOId8KMMMh8SayaKa8J2cdtfhHaraYa8J2cltfheaOIdyh8Xa8JhOinaHIdbgIaIa8XNaecxfIdba8VaecwfIdbNa8WaeIdbNa8UaeclfIdbNMMMgIaIM:tNa8SMh8SaHclfhHaeczfheaOcufgOmbkavaLc8S2fgOIdwaRNaOIdza8PNaOIdaMgIaIMMaRNaOIdla8RNaOIdCaRNaOId3MgIaIMMa8RNaOIdba8PNaOIdxa8RNaOIdKMgIaIMMa8PNaOId8KMMMhIaya8Fa8J2cdtfhHaraLa8J2cltfheaOIdyh8Wa8JhOinaHIdbg8Va8Va8WNaecxfIdbaRaecwfIdbNa8PaeIdbNa8RaeclfIdbNMMMg8Va8VM:tNaIMhIaHclfhHaeczfheaOcufgOmbka80aI:lMh80a8Ya8S:lMh8YkawaKa8Fa8Ya809FgeEBdbaAaYaLaeEBdba3a8Ya80aeEUdbaicefgiaE9hmbkasc;Wbfcbcj;qbz:ljjjb8Aa6heaEhHinasc;WbfaeydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbcefBdbaecxfheaHcufgHmbkcbhecbhHinasc;WbfaefgOydbhAaOaHBdbaAaHfhHaeclfgecj;qb9hmbkcbhea6hHinasc;WbfaHydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbgOcefBdbaSaOcdtfaeBdbaHcxfhHaEaecefge9hmbkadak9RgOci9Uh9kdnalTmbcbhea8MhHinaHaeBdbaHclfhHalaecefge9hmbkkcbh0a9hcbalz:ljjjbh9maOcO9Uh9na9kce4h9oasydwh9pcbh8KcbhwdninaqaSawcdtfydbcx2fg3Idwg8San9Emea8Ka9k9pmeJFFuuhIdna9oaE9pmbaqaSa9ocdtfydbcx2fIdwJbb;aZNhIkdna8SaI9ETmba8Sa819ETmba8Ka9n0mdkdna9maQa3ydlgicdtg9qfydbgAfg9rRbba9maQa3ydbgLcdtg9sfydbg9tfg9uRbbVmbaXaLfRbbh9vdna9ea9tcdtfgeclfydbgHaeydbgeSmbaHae9RhKa9paecitfheaaaAcx2fg8Lcwfh5a8Lclfh9waaa9tcx2fg8Acwfh9xa8Aclfh9ycbhHceh8Fdnindna8MaeydbcdtfydbgOaASmba8MaeclfydbcdtfydbgYaASmbaOaYSmbaaaYcx2fgYIdbaaaOcx2fgOIdbg8V:tg8Sa9yIdbaOIdlgR:tg8WNa8AIdba8V:tg8UaYIdlaR:tgIN:tg8Pa8Sa9wIdbaR:tg8XNa8LIdba8V:tg80aIN:tgRNaIa9xIdbaOIdwg8R:tg8YNa8WaYIdwa8R:tg8VN:tg8WaIa5Idba8R:tgBNa8Xa8VN:tgINa8Va8UNa8Ya8SN:tg8Ra8Va80NaBa8SN:tg8SNMMa8Pa8PNa8Wa8WNa8Ra8RNMMaRaRNaIaINa8Sa8SNMMN:rJbbj8:N9FmdkaecwfheaHcefgHaK6h8FaKaH9hmbkka8FceGTmba9ocefh9oxekaih8Ldna9vcFeGg8Acd9hg5mbagahaha9sfydbaiSEa8Ea9sfydbcdtfydbg8Lcu9hmba8Ea9qfydbh8Lka3cwfh3aDaAc8S2fgeaDa9tc8S2fgHIdbaeIdbMUdbaeaHIdlaeIdlMUdlaeaHIdwaeIdwMUdwaeaHIdxaeIdxMUdxaeaHIdzaeIdzMUdzaeaHIdCaeIdCMUdCaeaHIdKaeIdKMUdKaeaHId3aeId3MUd3aeaHIdaaeIdaMUdaaeaHId8KaeId8KMUd8KaeaHIdyaeIdyMUdydndndndndndna8JTmbavaic8S2fgeavaLc8S2fgHIdbaeIdbMUdbaeaHIdlaeIdlMUdlaeaHIdwaeIdwMUdwaeaHIdxaeIdxMUdxaeaHIdzaeIdzMUdzaeaHIdCaeIdCMUdCaeaHIdKaeIdKMUdKaeaHId3aeId3MUd3aeaHIdaaeIdaMUdaaeaHId8KaeId8KMUd8KaeaHIdyaeIdyMUdya9iaL2hKa9iai2h8FarhHa8JhAinaHa8FfgeaHaKfgOIdbaeIdbMUdbaeclfgYaOclfIdbaYIdbMUdbaecwfgYaOcwfIdbaYIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaAcufgAmbka5meava8Lc8S2fgeava8Ea9sfydbgOc8S2fgHIdbaeIdbMUdbaeaHIdlaeIdlMUdlaeaHIdwaeIdwMUdwaeaHIdxaeIdxMUdxaeaHIdzaeIdzMUdzaeaHIdCaeIdCMUdCaeaHIdKaeIdKMUdKaeaHId3aeId3MUd3aeaHIdaaeIdaMUdaaeaHId8KaeId8KMUd8KaeaHIdyaeIdyMUdya9ia8L2hKa9iaO2h8FarhHa8JhAinaHaKfgeaHa8FfgOIdbaeIdbMUdbaeclfgYaOclfIdbaYIdbMUdbaecwfgYaOcwfIdbaYIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaAcufgAmbkka8Aci9hmexika8AciSmdaih8Lxekdna5Tmbaih8Lxeka8Ea9sfydbhLa8Ma9sfaiBdbka8MaLcdtfa8LBdbxekaLheina8MaecdtgefaiBdba8EaefydbgeaL9hmbkka9uce86bba9rce86bba3Idbg8Sa81a81a8S9DEh81a0cefh0cecda8AceSEa8Kfh8KkawcefgwaE9hmbkka0TmddnalTmbcbhHahheindnaeydbgOcuSmbdnaHa8MaOcdtgAfydbgO9hmbcuhOahaAfydbgAcuSmba8MaAcdtfydbhOkaeaOBdbkaeclfhealaHcefgH9hmbkcbhHagheindnaeydbgOcuSmbdnaHa8MaOcdtgAfydbgO9hmbcuhOagaAfydbgAcuSmba8MaAcdtfydbhOkaeaOBdbkaeclfhealaHcefgH9hmbkkcbhYabhecbhKindna8MaeydbcdtfydbgHa8MaeclfydbcdtfydbgOSmbaHa8MaecwfydbcdtfydbgASmbaOaASmbabaYcdtfgLaHBdbaLcwfaABdbaLclfaOBdbaYcifhYkaecxfheaKcifgKad6mbkdndna9cTmbaYak9nmba8Za819FTmbcbhdabhecbhHindnaoaCaeydbgOcdtfydbcdtfIdba819ETmbabadcdtfgAaOBdbaAclfaeclfydbBdbaAcwfaecwfydbBdbadcifhdkaecxfheaHcifgHaY6mbkJFFuuh8ZaJTmeaoheaJhHJFFuuh8SinaeIdbgIa8Sa8SaI9EEg8Va8SaIa819EgOEh8Sa8Va8ZaOEh8ZaeclfheaHcufgHmbxdkkaYhdkadak0mbxdkkasclfabadalaQz:cjjjbkdndnadak0mbadhOxekdna9cmbadhOxekdna8Zan9FmbadhOxekina8ZJbb;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:rNUdbkasyd2gecdtascxffc98fhHdninaeTmeaHydbcbyd;O1jjbH:bjjjbbaHc98fhHaecufhexbkkasc;W;qbf8KjjjjbaOk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk:nCoDud99rue99lul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhPawcuaicdtgsaicFFFFi0Ecbyd;S1jjbHjjjjbbgzBdCawciBd2dndnar:ZgH:rJbbbZMgO:lJbbb9p9DTmbaO:Ohexekcjjjj94hekaicufhAc:bwhmcbhCadhXcbhQinaChLaeamgKcufaeaK9iEaPgDcefaeaD9kEhYdndnadTmbaYcuf:YhOaqhiaxheadhmindndnaiIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcCthCdndnaiclfIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhExekcjjjj94hEkaEcqtaCVhCdndnaicwfIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhExekcjjjj94hEkaeaCaEVBdbaicxfhiaeclfheamcufgmmbkazcFeasz:ljjjbh3cbh5cbh8Eindna3axa8EcdtfydbgCcm4aC7c:v;t;h;Ev2gics4ai7aAGgmcdtfgEydbgecuSmbaeaCSmbcehiina3amaifaAGgmcdtfgEydbgecuSmeaicefhiaeaC9hmbkkaEaCBdba5aecuSfh5a8Ecefg8Ead9hmbxdkkazcFeasz:ljjjb8Acbh5kaDaYa5ar0giEhPaLa5aiEhCdna5arSmbaYaKaiEgmaP9Rcd9imbdndnaQcl0mbdnaX:ZgOaL:Zg8A:taY:Yg8FaD:Y:tgaa8FaK:Y:tgha5:ZggaH:tNNNaOaH:tahNa8Aag:tNa8AaH:taaNagaO:tNM:va8FMJbbbZMgO:lJbbb9p9DTmbaO:Ohexdkcjjjj94hexekaPamfcd9Theka5aXaiEhXaQcefgQcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg8EBdKawclBd2aPcuf:Yh8AdndnadTmbaqhiaxheadhmindndnaiIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhCxekcjjjj94hCkaCcCthCdndnaiclfIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhExekcjjjj94hEkaEcqtaCVhCdndnaicwfIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhExekcjjjj94hEkaeaCaEVBdbaicxfhiaeclfheamcufgmmbkazcFeasz:ljjjbh3cbhDcbh5inaxa5cdtgYfydbgCcm4aC7c:v;t;h;Ev2gics4ai7hecbhidndnina3aeaAGgmcdtfgEydbgecuSmednaxaecdtgEfydbaCSmbaicefgiamfheaiaA9nmekka8EaEfydbhixekaEa5BdbaDhiaDcefhDka8EaYfaiBdba5cefg5ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekazcFeasz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhEavcd4hxdnadTmbdnalTmbaxcdth3a8EhCalheaqhmadhAinaEaCydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaCclfhCaea3fheamcxfhmaAcufgAmbxdkka8EhmaqheadhCinaEamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaCcufgCmbkkdnaDTmbaEhiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgO:vaOJbbbb9BEgONUdbaiclfgmaOamIdbNUdbaicwfgmaOamIdbNUdbaicxfgmaOamIdbNUdbaiczfgmaOamIdbNUdbaicCfgmaOamIdbNUdbaic3fhiaecufgembkkcbhCawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbg3Bd8KaecFeaYz:ljjjbh5dnadTmbJbbjZJbbjZa8A:vaPceSEaoNgOaONh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaEa8EydbgAc32fgiIdC:tgOaONamIdbaiIdx:tgOaONamIdlaiIdz:tgOaONMMNaqcwfIdbaiIdw:tgOaONaqIdbaiIdb:tgOaONaqclfIdbaiIdl:tgOaONMMMhOdndna5aAcdtgifgmydbcuSmba3aifIdbaO9ETmekamaCBdba3aifaOUdbka8Eclfh8EaeaxfheaqcxfhqadaCcefgC9hmbkkaba5aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oeeebeebebbeeebebbbbbebebbbbbbbbbebbbdbbbbbbbebbbebbbdbbbbbbbbbbbeeeeebebbebbebebbbeebbbbbbbbbbbbbbbbbbbbbc;OwkxebbbdbbbjNbb'; // embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index d5b1b5c326..e3be809e84 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -4,7 +4,7 @@ var MeshoptSimplifier = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
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8A9hmekdnaLcv2aefc:q1jjbfRbbTmbaOaXcdtfydbaOa8Acdtfydb0mekJbbacJbbacJbbjZaeceSEaLceSEh80dnaEaQaCc:e1jjbfydbcdtfydbcx2fgeIdwaEa8Acx2fgLIdwg8S:tg8WaEaXcx2fgKIdwa8S:tgRaRNaKIdbaLIdbg8X:tg8Ra8RNaKIdlaLIdlg8V:tg8Ua8UNMMgINa8WaRNaeIdba8X:tg81a8RNa8UaeIdla8V:tg8ZNMMg8YaRN:tg8Wa8WNa81aINa8Ya8RN:tgRaRNa8ZaINa8Ya8UN:tg8Ra8RNMM:rg8UJbbbb9ETmba8Wa8U:vh8Wa8Ra8U:vh8RaRa8U:vhRka8KaOa8Acdtfydbc8S2fgeaRa80aI:rNg8UaRNNg8YaeIdbMUdbaea8Ra8Ua8RNg80Ng81aeIdlMUdlaea8Wa8Ua8WNgINg8ZaeIdwMUdwaea80aRNg80aeIdxMUdxaeaIaRNgBaeIdzMUdzaeaIa8RNg83aeIdCMUdCaeaRa8Ua8Wa8SNaRa8XNa8Va8RNMM:mg8SNgINgRaeIdKMUdKaea8RaINg8RaeId3MUd3aea8WaINg8WaeIdaMUdaaeaIa8SNgIaeId8KMUd8Kaea8UaeIdyMUdya8KaOaXcdtfydbc8S2fgea8YaeIdbMUdbaea81aeIdlMUdlaea8ZaeIdwMUdwaea80aeIdxMUdxaeaBaeIdzMUdzaea83aeIdCMUdCaeaRaeIdKMUdKaea8RaeId3MUd3aea8WaeIdaMUdaaeaIaeId8KMUd8Kaea8UaeIdyMUdykaCclfgCcx9hmbkaYcxfhYaicifgiad6mbka3TmbcbhYinJbbbbh8XaEabaYcdtfgeclfydbgKcx2fgCIdwaEaeydbgicx2fgXIdwg8Z:tg8Ra8RNaCIdbaXIdbgB:tg8Wa8WNaCIdlaXIdlg83:tg8Ua8UNMMg80aEaecwfydbg8Jcx2fgeIdwa8Z:tgINa8Ra8RaINa8WaeIdbaB:tg8SNa8UaeIdla83:tg8VNMMgRN:tJbbbbJbbjZa80aIaINa8Sa8SNa8Va8VNMMg81NaRaRN:tg8Y:va8YJbbbb9BEg8YNhUa81a8RNaIaRN:ta8YNh85a80a8VNa8UaRN:ta8YNh86a81a8UNa8VaRN:ta8YNh87a80a8SNa8WaRN:ta8YNh88a81a8WNa8SaRN:ta8YNh89a8Wa8VNa8Sa8UN:tgRaRNa8UaINa8Va8RN:tgRaRNa8Ra8SNaIa8WN:tgRaRNMM:rJbbbZNhRavaia32g5cdtfhCava8Ja32gwcdtfhXavaKa32gacdtfh8Aa8Z:mh8:a83:mhZaB:mhncbhLa3hQJbbbbh8VJbbbbh8YJbbbbh80Jbbbbh81Jbbbbh8ZJbbbbhBJbbbbh83JbbbbhcJbbbbh9cinasc;WbfaLfgecwfaRa85a8AIdbaCIdbgI:tg8UNaUaXIdbaI:tg8SNMg8RNUdbaeclfaRa87a8UNa86a8SNMg8WNUdbaeaRa89a8UNa88a8SNMg8UNUdbaecxfaRa8: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;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkazaacltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkazawcltfhQcbhCa3h8AinaQaCfgeasc;WbfaCfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8AmbkaYcifgYad6mbkkasydlhJcbhednalTmbaJclfheaJydbh8AaAhCalhLcbhXincbaeydbgQa8A9RaCRbbcpeGEaXfhXaCcefhCaeclfheaQh8AaLcufgLmbkaXce4hekcuadae9Rcifg8Lcx2a8Lc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhhascxfasyd2gecdtfahBdbasaecefgCBd2ascxfaCcdtfcua8Lcdta8LcFFFFi0Ecbyd;S1jjbHjjjjbbgoBdbasaecdfgCBd2ascxfaCcdtfa8Ecbyd;S1jjbHjjjjbbggBdbasaecifgCBd2ascxfaCcdtfalcbyd;S1jjbHjjjjbbg9eBdbasaeclfBd2a8PJbbjZamclGEhcJbbbbh83dnadak9nmbdna8Lci6mbaxaxNacacN:vhBa3clthTahcwfhSJbbbbh83inasclfabadgDalaOz:cjjjbabhicbhdcbhyinabaycdtfh8JcbheindnaOaiaefydbgXcdtgKfydbg8AaOa8Jaec:S1jjbfydbcdtfydbgCcdtfydbgLSmbaAaCfRbbgYcv2aAaXfRbbgQfc;a1jjbfRbbgwaQcv2aYfg5c;a1jjbfRbbgaVcFeGTmbdnaLa8A9nmba5c:q1jjbfRbbcFeGmekdnaQaY9hmbaQcufcFeGce0mba8MaKfydbaC9hmekahadcx2fg8AaCaXaacFeGgLEBdla8AaXaCaLEBdba8AaLawGcb9hBdwadcefhdkaeclfgecx9hmbkdnaycifgyaD9pmbaicxfhiadcifa8L9nmekkdnadmbaDhdxikcbhKinJbbbbJbbjZa8KaOahaKcx2fg8AydlgQa8AydbgLa8AydwgCEgYcdtfydbc8S2fgeIdygR:vaRJbbbb9BEaeIdwaEaLaQaCEgicx2fgCIdwg8UNaeIdzaCIdbgINaeIdaMgRaRMMa8UNaeIdlaCIdlg8SNaeIdCa8UNaeId3MgRaRMMa8SNaeIdbaINaeIdxa8SNaeIdKMgRaRMMaINaeId8KMMM:lNh80JbbbbJbbjZa8KaOaLcdtfydbc8S2fgeIdygR:vaRJbbbb9BEaeIdwaEaQcx2fgCIdwg8WNaeIdzaCIdbg8XNaeIdaMgRaRMMa8WNaeIdlaCIdlg8VNaeIdCa8WNaeId3MgRaRMMa8VNaeIdba8XNaeIdxa8VNaeIdKMgRaRMMa8XNaeId8KMMM:lNh81a8Acwfh8Ja8Aclfh5dna3TmbaqaLc8S2fgXIdwa8WNaXIdza8XNaXIdaMgRaRMMa8WNaXIdla8VNaXIdCa8WNaXId3MgRaRMMa8VNaXIdba8XNaXIdxa8VNaXIdKMgRaRMMa8XNaXId8KMMMhRavaQa32cdtfhCazaLa32cltfheaXIdyh8Ya3hXinaCIdbg8Ra8Ra8YNaecxfIdba8WaecwfIdbNa8XaeIdbNa8VaeclfIdbNMMMg8Ra8RM:tNaRMhRaCclfhCaeczfheaXcufgXmbkaqaYc8S2fgXIdwa8UNaXIdzaINaXIdaMg8Ra8RMMa8UNaXIdla8SNaXIdCa8UNaXId3Mg8Ra8RMMa8SNaXIdbaINaXIdxa8SNaXIdKMg8Ra8RMMaINaXId8KMMMh8Ravaia32cdtfhCazaYa32cltfheaXIdyh8Xa3hXinaCIdbg8Wa8Wa8XNaecxfIdba8UaecwfIdbNaIaeIdbNa8SaeclfIdbNMMMg8Wa8WM:tNa8RMh8RaCclfhCaeczfheaXcufgXmbka80a8R:lMh80a81aR:lMh81ka5aQaia81a809FgeEBdba8AaLaYaeEBdba8Ja81a80aeEUdbaKcefgKad9hmbkasc;Wbfcbcj;abz:ljjjb8AaSheadhCinasc;WbfaeydbcO4c;8ZGfgXaXydbcefBdbaecxfheaCcufgCmbkcbhecbhCinasc;WbfaefgXydbh8AaXaCBdba8AaCfhCaeclfgecj;ab9hmbkcbheaShCinasc;WbfaCydbcO4c;8ZGfgXaXydbgXcefBdbaoaXcdtfaeBdbaCcxfhCadaecefge9hmbkaDak9RgXci9Uh9hdnalTmbcbheaghCinaCaeBdbaCclfhCalaecefge9hmbkkcbh9ia9ecbalz:ljjjbh6aXcO9Uh9ka9hce4h0asydwh9mcbhycbh5dninahaoa5cdtfydbcx2fg8JIdwg8RaB9Emeaya9h9pmeJFFuuhRdna0ad9pmbahaoa0cdtfydbcx2fIdwJbb;aZNhRkdna8RaR9ETmbaya9k0mdkdna6aOa8Jydlgicdtg9nfydbg8Afg9oRbba6aOa8JydbgYcdtg9pfydbg9qfg9rRbbVmbaAaYfRbbh9sdnaJa9qcdtfgeclfydbgCaeydbgeSmbaCae9RhQa9maecitfheaEa8Acx2fgwcwfh8EawclfhraEa9qcx2fgacwfh9taaclfh9ucbhCcehKdnindnagaeydbcdtfydbgXa8ASmbagaeclfydbcdtfydbgLa8ASmbaXaLSmbaEaLcx2fgLIdbaEaXcx2fgXIdbg8W:tgRa9uIdbaXIdlg8U:tg8XNaaIdba8W:tg8VaLIdla8U:tg8RN:tgIaRarIdba8U:tg8YNawIdba8W:tg80a8RN:tg8UNa8Ra9tIdbaXIdwg8S:tg81Na8XaLIdwa8S:tg8WN:tg8Xa8Ra8EIdba8S:tg8ZNa8Ya8WN:tg8RNa8Wa8VNa81aRN:tg8Sa8Wa80Na8ZaRN:tgRNMMaIaINa8Xa8XNa8Sa8SNMMa8Ua8UNa8Ra8RNaRaRNMMN:rJbbj8: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:fPdbdlkaqa8Fa9nfydbgXc8S2fgeaqa8Fa9pfydbg8Ac8S2fgCIdbaeIdbMUdbaeaCIdlaeIdlMUdlaeaCIdwaeIdwMUdwaeaCIdxaeIdxMUdxaeaCIdzaeIdzMUdzaeaCIdCaeIdCMUdCaeaCIdKaeIdKMUdKaeaCId3aeId3MUd3aeaCIdaaeIdaMUdaaeaCId8KaeId8KMUd8KaeaCIdyaeIdyMUdyaTa8A2hQaTaX2hKazhCa3h8AinaCaKfgeaCaQfgXIdbaeIdbMUdbaeclfgLaXclfIdbaLIdbMUdbaecwfgLaXcwfIdbaLIdbMUdbaecxfgeaXcxfIdbaeIdbMUdbaCczfhCa8Acufg8Ambkka9sc9: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:cjjjbkdnamcjjjjlGTmbadTmbaHmbcbhLabheinaAaeydbgXfRbbc3thQaecwfgYydbhOdndna8MaXcdtgifydbaeclfgKydbgCSmbcbh8Aa8NaCcdtfydbaX9hmekcjjjj94h8AkaeaQa8AVaXVBdbaAaCfRbbc3thQdndna8MaCcdtfydbaOSmbcbh8Aa8NaOcdtfydbaC9hmekcjjjj94h8AkaKaQa8AVaCVBdbaAaOfRbbc3th8Adndna8MaOcdtfydbaXSmbcbhCa8NaifydbaO9hmekcjjjj94hCkaYa8AaCVaOVBdbaecxfheaLcifgLad6mbkkdnaHTmbadTmbadheinabaHabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPaca83:rNUdbkasyd2gecdtascxffc98fhOdninaeTmeaOydbcbyd;O1jjbH:bjjjbbaOc98fhOaecufhexbkkasc;W;abf8Kjjjjbadk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk;3Aowud99wue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhmawcuaicdtgPaicFFFFi0Ecbyd;S1jjbHjjjjbbgsBdCawciBd2dndnar:Zgz:rJbbbZMgH:lJbbb9p9DTmbaH:Ohexekcjjjj94hekaicufhOc:bwhAcbhCcbhXadhQinaChLaeaAgKcufaeaK9iEamgDcefaeaD9kEhYdndnadTmbaYcuf:YhHaqhiaxheadhmindndnaiIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhAxekcjjjj94hAkaAcCthAdndnaiclfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcqtaAVhAdndnaicwfIdbaHNJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaeaAaCVBdbaicxfhiaeclfheamcufgmmbkascFeaPz:ljjjbhEcbh3cbh5indnaEaxa5cdtfydbgAcm4aA7c:v;t;h;Ev2gics4ai7aOGgmcdtfgCydbgecuSmbaeaASmbcehiinaEamaifaOGgmcdtfgCydbgecuSmeaicefhiaeaA9hmbkkaCaABdba3aecuSfh3a5cefg5a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// embed! wasm
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hmekaqaEcx2fgAaHaOa8KcFeGgYEBdlaAaOaHaYEBdbaAaYa8AGcb9hBdwaEcefhEkaeclfgecx9hmbkdna5cifg5ad9pmba8Fcxfh8FaEcifaT9nmekkaETmdcbhiinJbbbbJbbjZaDaQaqaicx2fgAydlgKaAydbgYaAydwgHEgLcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaYaKaHEg8Fcx2fgHIdwgRNaeIdzaHIdbg8PNaeIdaMg8Sa8SMMaRNaeIdlaHIdlg8RNaeIdCaRNaeId3Mg8Sa8SMMa8RNaeIdba8PNaeIdxa8RNaeIdKMg8Sa8SMMa8PNaeId8KMMM:lNh80JbbbbJbbjZaDaQaYcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaKcx2fgHIdwg8VNaeIdzaHIdbg8WNaeIdaMg8Sa8SMMa8VNaeIdlaHIdlg8UNaeIdCa8VNaeId3Mg8Sa8SMMa8UNaeIdba8WNaeIdxa8UNaeIdKMg8Sa8SMMa8WNaeId8KMMM:lNh8YaAcwfh3aAclfhwdna8JTmbavaYc8S2fgOIdwa8VNaOIdza8WNaOIdaMg8Sa8SMMa8VNaOIdla8UNaOIdCa8VNaOId3Mg8Sa8SMMa8UNaOIdba8WNaOIdxa8UNaOIdKMg8Sa8SMMa8WNaOId8KMMMh8SayaKa8J2cdtfhHaraYa8J2cltfheaOIdyh8Xa8JhOinaHIdbgIaIa8XNaecxfIdba8VaecwfIdbNa8WaeIdbNa8UaeclfIdbNMMMgIaIM:tNa8SMh8SaHclfhHaeczfheaOcufgOmbkavaLc8S2fgOIdwaRNaOIdza8PNaOIdaMgIaIMMaRNaOIdla8RNaOIdCaRNaOId3MgIaIMMa8RNaOIdba8PNaOIdxa8RNaOIdKMgIaIMMa8PNaOId8KMMMhIaya8Fa8J2cdtfhHaraLa8J2cltfheaOIdyh8Wa8JhOinaHIdbg8Va8Va8WNaecxfIdbaRaecwfIdbNa8PaeIdbNa8RaeclfIdbNMMMg8Va8VM:tNaIMhIaHclfhHaeczfheaOcufgOmbka80aI:lMh80a8Ya8S:lMh8YkawaKa8Fa8Ya809FgeEBdbaAaYaLaeEBdba3a8Ya80aeEUdbaicefgiaE9hmbkasc;Wbfcbcj;qbz:ljjjb8Aa6heaEhHinasc;WbfaeydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbcefBdbaecxfheaHcufgHmbkcbhecbhHinasc;WbfaefgOydbhAaOaHBdbaAaHfhHaeclfgecj;qb9hmbkcbhea6hHinasc;WbfaHydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbgOcefBdbaSaOcdtfaeBdbaHcxfhHaEaecefge9hmbkadak9RgOci9Uh9kdnalTmbcbhea8MhHinaHaeBdbaHclfhHalaecefge9hmbkkcbh0a9hcbalz:ljjjbh9maOcO9Uh9na9kce4h9oasydwh9pcbh8KcbhwdninaqaSawcdtfydbcx2fg3Idwg8San9Emea8Ka9k9pmeJFFuuhIdna9oaE9pmbaqaSa9ocdtfydbcx2fIdwJbb;aZNhIkdna8SaI9ETmba8Sa819ETmba8Ka9n0mdkdna9maQa3ydlgicdtg9qfydbgAfg9rRbba9maQa3ydbgLcdtg9sfydbg9tfg9uRbbVmbaXaLfRbbh9vdna9ea9tcdtfgeclfydbgHaeydbgeSmbaHae9RhKa9paecitfheaaaAcx2fg8Lcwfh5a8Lclfh9waaa9tcx2fg8Acwfh9xa8Aclfh9ycbhHceh8Fdnindna8MaeydbcdtfydbgOaASmba8MaeclfydbcdtfydbgYaASmbaOaYSmbaaaYcx2fgYIdbaaaOcx2fgOIdbg8V:tg8Sa9yIdbaOIdlgR:tg8WNa8AIdba8V:tg8UaYIdlaR:tgIN:tg8Pa8Sa9wIdbaR:tg8XNa8LIdba8V:tg80aIN:tgRNaIa9xIdbaOIdwg8R:tg8YNa8WaYIdwa8R:tg8VN:tg8WaIa5Idba8R:tgBNa8Xa8VN:tgINa8Va8UNa8Ya8SN:tg8Ra8Va80NaBa8SN:tg8SNMMa8Pa8PNa8Wa8WNa8Ra8RNMMaRaRNaIaINa8Sa8SNMMN:rJbbj8: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:cjjjbkdndnadak0mbadhOxekdna9cmbadhOxekdna8Zan9FmbadhOxekina8ZJbb;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:rNUdbkasyd2gecdtascxffc98fhHdninaeTmeaHydbcbyd;O1jjbH:bjjjbbaHc98fhHaecufhexbkkasc;W;qbf8KjjjjbaOk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk:nCoDud99rue99lul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhPawcuaicdtgsaicFFFFi0Ecbyd;S1jjbHjjjjbbgzBdCawciBd2dndnar:ZgH:rJbbbZMgO:lJbbb9p9DTmbaO:Ohexekcjjjj94hekaicufhAc:bwhmcbhCadhXcbhQinaChLaeamgKcufaeaK9iEaPgDcefaeaD9kEhYdndnadTmbaYcuf:YhOaqhiaxheadhmindndnaiIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcCthCdndnaiclfIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhExekcjjjj94hEkaEcqtaCVhCdndnaicwfIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhExekcjjjj94hEkaeaCaEVBdbaicxfhiaeclfheamcufgmmbkazcFeasz:ljjjbh3cbh5cbh8Eindna3axa8EcdtfydbgCcm4aC7c:v;t;h;Ev2gics4ai7aAGgmcdtfgEydbgecuSmbaeaCSmbcehiina3amaifaAGgmcdtfgEydbgecuSmeaicefhiaeaC9hmbkkaEaCBdba5aecuSfh5a8Ecefg8Ead9hmbxdkkazcFeasz:ljjjb8Acbh5kaDaYa5ar0giEhPaLa5aiEhCdna5arSmbaYaKaiEgmaP9Rcd9imbdndnaQcl0mbdnaX:ZgOaL:Zg8A:taY:Yg8FaD:Y:tgaa8FaK:Y:tgha5:ZggaH:tNNNaOaH:tahNa8Aag:tNa8AaH:taaNagaO:tNM:va8FMJbbbZMgO:lJbbb9p9DTmbaO:Ohexdkcjjjj94hexekaPamfcd9Theka5aXaiEhXaQcefgQcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg8EBdKawclBd2aPcuf:Yh8AdndnadTmbaqhiaxheadhmindndnaiIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhCxekcjjjj94hCkaCcCthCdndnaiclfIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhExekcjjjj94hEkaEcqtaCVhCdndnaicwfIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhExekcjjjj94hEkaeaCaEVBdbaicxfhiaeclfheamcufgmmbkazcFeasz:ljjjbh3cbhDcbh5inaxa5cdtgYfydbgCcm4aC7c:v;t;h;Ev2gics4ai7hecbhidndnina3aeaAGgmcdtfgEydbgecuSmednaxaecdtgEfydbaCSmbaicefgiamfheaiaA9nmekka8EaEfydbhixekaEa5BdbaDhiaDcefhDka8EaYfaiBdba5cefg5ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekazcFeasz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhEavcd4hxdnadTmbdnalTmbaxcdth3a8EhCalheaqhmadhAinaEaCydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaCclfhCaea3fheamcxfhmaAcufgAmbxdkka8EhmaqheadhCinaEamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaCcufgCmbkkdnaDTmbaEhiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgO:vaOJbbbb9BEgONUdbaiclfgmaOamIdbNUdbaicwfgmaOamIdbNUdbaicxfgmaOamIdbNUdbaiczfgmaOamIdbNUdbaicCfgmaOamIdbNUdbaic3fhiaecufgembkkcbhCawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbg3Bd8KaecFeaYz:ljjjbh5dnadTmbJbbjZJbbjZa8A:vaPceSEaoNgOaONh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaEa8EydbgAc32fgiIdC:tgOaONamIdbaiIdx:tgOaONamIdlaiIdz:tgOaONMMNaqcwfIdbaiIdw:tgOaONaqIdbaiIdb:tgOaONaqclfIdbaiIdl:tgOaONMMMhOdndna5aAcdtgifgmydbcuSmba3aifIdbaO9ETmekamaCBdba3aifaOUdbka8Eclfh8EaeaxfheaqcxfhqadaCcefgC9hmbkkaba5aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oeeebeebebbeeebebbbbbebebbbbbbbbbebbbdbbbbbbbebbbebbbdbbbbbbbbbbbeeeeebebbebbebebbbeebbbbbbbbbbbbbbbbbbbbbc;OwkxebbbdbbbjNbb'; // embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,

From c08f7b707f30725712eb96a8706eb41bfb31c06a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 25 Sep 2024 14:08:37 -0700
Subject: [PATCH 320/581] demo: Add a pruning test to exercise cleanup

Cleanup passes are comparatively rare as they require there to be very
few high error edge collapses so that the intra-pass pruning doesn't get
anywhere on its own. Here we construct a 3-component mesh where all
vertices are locked and verify that two of the components get pruned.
---
 demo/tests.cpp | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 1c39e34f4d..ac48484899 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1490,6 +1490,38 @@ static void simplifyPrune()
 	assert(memcmp(ib, expected, sizeof(expected)) == 0);
 }
 
+static void simplifyPruneCleanup()
+{
+	unsigned int ib[] = {
+	    0, 1, 2,
+	    3, 4, 5,
+	    6, 7, 8, // clang-format :-/
+	};
+
+	float vb[] = {
+	    0, 0, 0,
+	    0, 1, 0,
+	    1, 0, 0,
+	    0, 0, 1,
+	    0, 2, 1,
+	    2, 0, 1,
+	    0, 0, 2,
+	    0, 4, 2,
+	    4, 0, 2, // clang-format :-/
+	};
+
+	unsigned int expected[] = {
+	    6,
+	    7,
+	    8,
+	};
+
+	float error;
+	assert(meshopt_simplify(ib, ib, 9, vb, 9, 12, 3, 1.f, meshopt_SimplifyLockBorder | meshopt_SimplifyPrune, &error) == 3);
+	assert(fabsf(error - 0.37f) < 0.01f);
+	assert(memcmp(ib, expected, sizeof(expected)) == 0);
+}
+
 static void adjacency()
 {
 	// 0 1/4
@@ -1748,6 +1780,7 @@ void runTests()
 	simplifySeamFake();
 	simplifyDebug();
 	simplifyPrune();
+	simplifyPruneCleanup();
 
 	adjacency();
 	tessellation();

From 2bb3b157c00788007a87ca8d0db76e90a05c696e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 25 Sep 2024 14:14:06 -0700
Subject: [PATCH 321/581] Update README.md

Add meshopt_SimplifyPrune option documentation.
---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index a209baebd2..56928130d2 100644
--- a/README.md
+++ b/README.md
@@ -322,6 +322,7 @@ For basic customization, a number of options can be passed via `options` bitmask
 - `meshopt_SimplifyLockBorder` restricts the simplifier from collapsing edges that are on the border of the mesh. This can be useful for simplifying mesh subsets independently, so that the LODs can be combined without introducing cracks.
 - `meshopt_SimplifyErrorAbsolute` changes the error metric from relative to absolute both for the input error limit as well as for the resulting error. This can be used instead of `meshopt_simplifyScale`.
 - `meshopt_SimplifySparse` improves simplification performance assuming input indices are a sparse subset of the mesh. This can be useful when simplifying small mesh subsets independently, and is intended to be used for meshlet simplification. For consistency, it is recommended to use absolute errors when sparse simplification is desired, as this flag changes the meaning of the relative errors.
+- `meshopt_SimplifyPrune` allows the simplifier to remove isolated components regardless of the topological restrictions inside the component. This is generally recommended for full-mesh simplification as it can improve quality and reduce triangle count; note that with this option, triangles connected to locked vertices may be removed as part of their component.
 
 While `meshopt_simplify` is aware of attribute discontinuities by default (and infers them through the supplied index buffer) and tries to preserve them, it can be useful to provide information about attribute values. This allows the simplifier to take attribute error into account which can improve shading (by using vertex normals), texture deformation (by using texture coordinates), and may be necessary to preserve vertex colors when textures are not used in the first place. This can be done by using a variant of the simplification function that takes attribute values and weight factors, `meshopt_simplifyWithAttributes`:
 

From b0e689f15213c8c25f5be8d05924b3bc3c270911 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 26 Sep 2024 18:15:09 -0700
Subject: [PATCH 322/581] demo: Add polygonOffsetFactor for debug visualization

Constant offset is not quite enough to make sure the visualization lines
cleanly render on top of solid geometry.
---
 demo/simplify.html | 1 +
 1 file changed, 1 insertion(+)

diff --git a/demo/simplify.html b/demo/simplify.html
index f4fb95e0b1..609fa1ce5f 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -339,6 +339,7 @@
 								// use small depth offset to avoid overlay z-fighting with the original mesh
 								// has to be done on the main material as overlays use lines that don't support depth offset
 								object.material.polygonOffset = true;
+								object.material.polygonOffsetFactor = 0.5;
 								object.material.polygonOffsetUnits = 16;
 
 								object.material = [

From be4d5669a9017274ed99655c71a9f7159ec3ba58 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 27 Sep 2024 10:47:47 -0700
Subject: [PATCH 323/581] tools: Add codectest to make it easy to test
 attribute encoder

This is useful when trying to compress binary vertex data blobs as well
as to check the output data with a separate compressor using piping, so
we use stdin and stdout instead of named files.
---
 Makefile            |  3 +++
 tools/codectest.cpp | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 tools/codectest.cpp

diff --git a/Makefile b/Makefile
index a1f280a967..86385cf539 100644
--- a/Makefile
+++ b/Makefile
@@ -213,6 +213,9 @@ codecbench.wasm: tools/codecbench.cpp $(LIBRARY_SOURCES)
 codecbench-simd.wasm: tools/codecbench.cpp $(LIBRARY_SOURCES)
 	$(WASMCC) $^ -fno-exceptions --target=wasm32-wasi --sysroot=$(WASIROOT) -lc++ -lc++abi -O3 -g -DNDEBUG -msimd128 -o $@
 
+codectest: tools/codectest.cpp $(LIBRARY)
+	$(CXX) $^ $(CXXFLAGS) $(LDFLAGS) -o $@
+
 codecfuzz: tools/codecfuzz.cpp src/vertexcodec.cpp src/indexcodec.cpp
 	$(CXX) $^ -fsanitize=fuzzer,address,undefined -O1 -g -o $@
 
diff --git a/tools/codectest.cpp b/tools/codectest.cpp
new file mode 100644
index 0000000000..1f1116ba6c
--- /dev/null
+++ b/tools/codectest.cpp
@@ -0,0 +1,41 @@
+#include "../src/meshoptimizer.h"
+
+#include <vector>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifdef _WIN32
+#include <fcntl.h>
+#include <io.h>
+#endif
+
+int main(int argc, char** argv)
+{
+#ifdef _WIN32
+	_setmode(_fileno(stdin), _O_BINARY);
+	_setmode(_fileno(stdout), _O_BINARY);
+#endif
+
+	if (argc != 2 || atoi(argv[1]) <= 0)
+	{
+		fprintf(stderr, "Usage: %s <stride>\n", argv[0]);
+		return 1;
+	}
+
+	size_t stride = atoi(argv[1]);
+
+	std::vector<unsigned char> input;
+	unsigned char buffer[4096];
+	size_t bytes_read;
+
+	while ((bytes_read = fread(buffer, 1, sizeof(buffer), stdin)) > 0)
+		input.insert(input.end(), buffer, buffer + bytes_read);
+
+	size_t vertex_count = input.size() / stride;
+	std::vector<unsigned char> output(meshopt_encodeVertexBufferBound(vertex_count, stride));
+	size_t output_size = meshopt_encodeVertexBuffer(output.data(), output.size(), input.data(), vertex_count, stride);
+
+	fwrite(output.data(), 1, output_size, stdout);
+	return 0;
+}

From b1e5449fd33e4516988a101b6ce0a78f5a4d031b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 27 Sep 2024 13:09:39 -0700
Subject: [PATCH 324/581] vertexcodec: Add a note about quantization and
 locality of reference

For optimum compression, the vertex buffer should carry quantized values
and have consecutive vertices be reasonably local which can be achieved
with regular vertex cache/fetch optimization for most meshes.

An alternative to quantization is filtering but since it is unlikely to
be as broadly used it's probably enough to just call out quantization
here.
---
 src/meshoptimizer.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index feab7bb02d..8beec4d5b6 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -269,6 +269,7 @@ MESHOPTIMIZER_API int meshopt_decodeIndexSequence(void* destination, size_t inde
  * Returns encoded data size on success, 0 on error; the only error condition is if buffer doesn't have enough space
  * This function works for a single vertex stream; for multiple vertex streams, call meshopt_encodeVertexBuffer for each stream.
  * Note that all vertex_size bytes of each vertex are encoded verbatim, including padding which should be zero-initialized.
+ * For maximum efficiency the vertex buffer being encoded has to be quantized and optimized for locality of reference (cache/fetch) first.
  *
  * buffer must contain enough space for the encoded vertex buffer (use meshopt_encodeVertexBufferBound to compute worst case size)
  */

From bcb507f374f42a10eab215f394452a4cd58a9d75 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 27 Sep 2024 15:03:06 -0700
Subject: [PATCH 325/581] Enable Wall/Wextra flags for Wasm builds

We only had one warning in Wasm stubs which this change fixes as well.
---
 Makefile            | 1 +
 tools/wasmstubs.cpp | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 86385cf539..cede97848d 100644
--- a/Makefile
+++ b/Makefile
@@ -44,6 +44,7 @@ WASMCC?=$(WASI_SDK)/bin/clang++
 WASIROOT?=$(WASI_SDK)/share/wasi-sysroot
 
 WASM_FLAGS=--target=wasm32-wasi --sysroot=$(WASIROOT)
+WASM_FLAGS+=-Wall -Wextra
 WASM_FLAGS+=-O3 -DNDEBUG -nostartfiles -nostdlib -Wl,--no-entry -Wl,-s
 WASM_FLAGS+=-mcpu=mvp # make sure clang doesn't use post-MVP features like sign extension
 WASM_FLAGS+=-fno-slp-vectorize -fno-vectorize -fno-unroll-loops
diff --git a/tools/wasmstubs.cpp b/tools/wasmstubs.cpp
index 492d210951..12287ef542 100644
--- a/tools/wasmstubs.cpp
+++ b/tools/wasmstubs.cpp
@@ -20,7 +20,7 @@ extern "C" void* sbrk(intptr_t increment)
 
 	size_t heap_size = __builtin_wasm_memory_size(0) * WASM_PAGE_SIZE;
 
-	if (sbrkp > heap_size)
+	if (size_t(sbrkp) > heap_size)
 	{
 		size_t diff = (sbrkp - heap_size + WASM_PAGE_SIZE - 1) / WASM_PAGE_SIZE;
 

From 8465534537469af5d3a4d92b567628004c365fb2 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 27 Sep 2024 15:21:34 -0700
Subject: [PATCH 326/581] simplify: Minor tracing cleanup

- Edge eval is very verbose because it gets printed for every edge, even
  the ones that we do not collapse, so this bumps it to the next tracing
  level;
- Component measure should be using TRACE >= for consistency.
---
 src/simplifier.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 927da0e1dd..857d6b0ffd 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1036,7 +1036,7 @@ static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const
 		float ei = quadricError(vertex_quadrics[remap[i0]], vertex_positions[i1]);
 		float ej = quadricError(vertex_quadrics[remap[j0]], vertex_positions[j1]);
 
-#if TRACE >= 2
+#if TRACE >= 3
 		float di = ei, dj = ej;
 #endif
 
@@ -1052,7 +1052,7 @@ static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const
 		c.v1 = ei <= ej ? i1 : j1;
 		c.error = ei <= ej ? ei : ej;
 
-#if TRACE >= 2
+#if TRACE >= 3
 		if (i0 == j0) // c.bidi has been overwritten
 			printf("edge eval %d -> %d: error %f (pos %f, attr %f)\n", c.v0, c.v1,
 			    sqrtf(c.error), sqrtf(ei <= ej ? di : dj), sqrtf(ei <= ej ? ei - di : ej - dj));
@@ -1436,7 +1436,7 @@ static void measureComponents(float* component_errors, size_t component_count, c
 	// we've used the output buffer as scratch space, so we need to move the results to proper indices
 	for (size_t i = 0; i < component_count; ++i)
 	{
-#if TRACE > 1
+#if TRACE >= 2
 		printf("component %d: center %f %f %f, error %e\n", int(i),
 		    component_errors[i * 4 + 0], component_errors[i * 4 + 1], component_errors[i * 4 + 2], sqrtf(component_errors[i * 4 + 3]));
 #endif

From d911554cf6a29077a64cd10d928ddb1d78a19dae Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 27 Sep 2024 15:23:18 -0700
Subject: [PATCH 327/581] js: Update encoder/decoder Wasm binaries

These have not been updated after a clusterizer change that increased
the default stack size; the change is mostly no-op for these modules.
---
 js/meshopt_decoder.js        | 4 ++--
 js/meshopt_decoder.module.js | 4 ++--
 js/meshopt_encoder.js        | 2 +-
 js/meshopt_encoder.module.js | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/js/meshopt_decoder.js b/js/meshopt_decoder.js
index 24a8c6f535..e214baff70 100644
--- a/js/meshopt_decoder.js
+++ b/js/meshopt_decoder.js
@@ -5,9 +5,9 @@ var MeshoptDecoder = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm_base =
-		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb'; // embed! base
+		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q:Odkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9km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// embed! base
 	var wasm_simd =
-		'b9H79TebbbeKl9Gbb9Gvuuuuueu9Giuuub9Geueuikqbbebeedddilve9Weeeviebeoweuec:q;Aekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbdY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVblE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtboK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbrL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbwl79IV9RbDq:p9sqlbzik9:evu8Jjjjjbcz9Rhbcbheincbhdcbhiinabcwfadfaicjuaead4ceGglE86bbaialfhiadcefgdcw9hmbkaec:q:yjjbfai86bbaecitc:q1jjbfab8Piw83ibaecefgecjd9hmbkk:N8JlHud97euo978Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Rad;8qbbcj;abad9UhlaicefhodnaeTmbadTmbalc;WFbGglcjdalcjd6EhwcbhDinawaeaD9RaDawfae6Egqcsfglc9WGgkci2hxakcethmalcl4cifcd4hPabaDad2fhsakc;ab6hzcbhHincbhOaohAdndninaraA9RaP6meavcj;cbfaOak2fhCaAaPfhocbhidnazmbarao9Rc;Gb6mbcbhlinaCalfhidndndndndnaAalco4fRbbgXciGPlbedibkaipxbbbbbbbbbbbbbbbbpklbxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklbaoczfhokdndndndndnaXcd4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklzxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklzaoczfhokdndndndndnaXcl4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklaxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklaaoczfhokdndndndndnaXco4Plbedibkaipxbbbbbbbbbbbbbbbbpkl8WxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaoclfaYpQbfaXc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaocwfaYpQbfaXc:q:yjjbfRbbfhoxekaiaopbbbpkl8Waoczfhokalc;abfhialcjefak0meaihlarao9Rc;Fb0mbkkdnaiak9pmbaici4hlinarao9RcK6miaCaifhXdndndndndnaAaico4fRbbalcoG4ciGPlbedibkaXpxbbbbbbbbbbbbbbbbpkbbxikaXaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaXaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaXaopbbbpkbbaoczfhokalcdfhlaiczfgiak6mbkkaoTmeaohAaOcefgOclSmdxbkkc9:hoxlkdnakTmbavcjdfaHfhiavaHfpbdbhYcbhXinaiavcj;cbfaXfglpblbgLcep9TaLpxeeeeeeeeeeeeeeeegQp9op9Hp9rgLalakfpblbg8Acep9Ta8AaQp9op9Hp9rg8ApmbzeHdOiAlCvXoQrLgEalamfpblbg3cep9Ta3aQp9op9Hp9rg3alaxfpblbg5cep9Ta5aQp9op9Hp9rg5pmbzeHdOiAlCvXoQrLg8EpmbezHdiOAlvCXorQLgQaQpmbedibedibedibediaYp9UgYp9AdbbaiadfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfglaYaEa8EpmwDKYqk8AExm35Ps8E8FgQaQpmbedibedibedibedip9UgYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfglaYaLa8ApmwKDYq8AkEx3m5P8Es8FgLa3a5pmwKDYq8AkEx3m5P8Es8Fg8ApmbezHdiOAlvCXorQLgQaQpmbedibedibedibedi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// embed! simd
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// embed! simd
 
 	var detector = new Uint8Array([
 		0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 3, 2, 0, 0, 5, 3, 1, 0, 1, 12, 1, 0, 10, 22, 2, 12, 0, 65, 0, 65, 0, 65, 0, 252, 10, 0, 0,
diff --git a/js/meshopt_decoder.module.js b/js/meshopt_decoder.module.js
index d65039d9e7..537008814a 100644
--- a/js/meshopt_decoder.module.js
+++ b/js/meshopt_decoder.module.js
@@ -4,9 +4,9 @@ var MeshoptDecoder = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm_base =
-		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q;iekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklz9Kbb'; // embed! base
+		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q:Odkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;:eSgHfhraOcsGhCaOcl4hAdndnaOcs0mbarcefhoxekarhoavawaA9RcsGcdtfydbhrkdndnaCmbaocefhxxekaohxavawaO9RcsGcdtfydbhokdndnaHTmbaicefhHxekaicdfhHai8SbegscFeGhzdnascu9kmbaicofhXazcFbGhzcrhidninaH8SbbgscFbGaitazVhzascu9kmeaHcefhHaicrfgic8J9hmbkaXhHxekaHcefhHkazce4cbazceG9R7amfgmhzkdndnaAcsSmbaHhsxekaHcefhsaH8SbbgicFeGhrdnaicu9kmbaHcvfhXarcFbGhrcrhidninas8SbbgHcFbGaitarVhraHcu9kmeascefhsaicrfgic8J9hmbkaXhsxekascefhskarce4cbarceG9R7amfgmhrkdndnaCcsSmbashixekascefhias8SbbgocFeGhHdnaocu9kmbascvfhXaHcFbGhHcrhodninai8SbbgscFbGaotaHVhHascu9kmeaicefhiaocrfgoc8J9hmbkaXhixekaicefhikaHce4cbaHceG9R7amfgmhokdndnadcd9hmbabaPcetfgHaz87ebaHclfao87ebaHcdfar87ebxekabaPcdtfgHazBdbaHcwfaoBdbaHclfarBdbkcdhsavawcdtfazBdbavawcefgwcsGcdtfarBdbcihHavc;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9km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// embed! base
 	var wasm_simd =
-		'b9H79TebbbeKl9Gbb9Gvuuuuueu9Giuuub9Geueuikqbbebeedddilve9Weeeviebeoweuec:q;Aekr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbdY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVblE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtboK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbrL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbwl79IV9RbDq:p9sqlbzik9:evu8Jjjjjbcz9Rhbcbheincbhdcbhiinabcwfadfaicjuaead4ceGglE86bbaialfhiadcefgdcw9hmbkaec:q:yjjbfai86bbaecitc:q1jjbfab8Piw83ibaecefgecjd9hmbkk:N8JlHud97euo978Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Rad;8qbbcj;abad9UhlaicefhodnaeTmbadTmbalc;WFbGglcjdalcjd6EhwcbhDinawaeaD9RaDawfae6Egqcsfglc9WGgkci2hxakcethmalcl4cifcd4hPabaDad2fhsakc;ab6hzcbhHincbhOaohAdndninaraA9RaP6meavcj;cbfaOak2fhCaAaPfhocbhidnazmbarao9Rc;Gb6mbcbhlinaCalfhidndndndndnaAalco4fRbbgXciGPlbedibkaipxbbbbbbbbbbbbbbbbpklbxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklbaoczfhokdndndndndnaXcd4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklzxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklzaoczfhokdndndndndnaXcl4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklaxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklaaoczfhokdndndndndnaXco4Plbedibkaipxbbbbbbbbbbbbbbbbpkl8WxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaoclfaYpQbfaXc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaocwfaYpQbfaXc:q:yjjbfRbbfhoxekaiaopbbbpkl8Waoczfhokalc;abfhialcjefak0meaihlarao9Rc;Fb0mbkkdnaiak9pmbaici4hlinarao9RcK6miaCaifhXdndndndndnaAaico4fRbbalcoG4ciGPlbedibkaXpxbbbbbbbbbbbbbbbbpkbbxikaXaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaXaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaXaopbbbpkbbaoczfhokalcdfhlaiczfgiak6mbkkaoTmeaohAaOcefgOclSmdxbkkc9:hoxlkdnakTmbavcjdfaHfhiavaHfpbdbhYcbhXinaiavcj;cbfaXfglpblbgLcep9TaLpxeeeeeeeeeeeeeeeegQp9op9Hp9rgLalakfpblbg8Acep9Ta8AaQp9op9Hp9rg8ApmbzeHdOiAlCvXoQrLgEalamfpblbg3cep9Ta3aQp9op9Hp9rg3alaxfpblbg5cep9Ta5aQp9op9Hp9rg5pmbzeHdOiAlCvXoQrLg8EpmbezHdiOAlvCXorQLgQaQpmbedibedibedibediaYp9UgYp9AdbbaiadfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfglaYaEa8EpmwDKYqk8AExm35Ps8E8FgQaQpmbedibedibedibedip9UgYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfglaYaLa8ApmwKDYq8AkEx3m5P8Es8FgLa3a5pmwKDYq8AkEx3m5P8Es8Fg8ApmbezHdiOAlvCXorQLgQaQpmbedibedibedibedi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// embed! simd
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// embed! simd
 
 	var detector = new Uint8Array([
 		0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 3, 2, 0, 0, 5, 3, 1, 0, 1, 12, 1, 0, 10, 22, 2, 12, 0, 65, 0, 65, 0, 65, 0, 252, 10, 0, 0,
diff --git a/js/meshopt_encoder.js b/js/meshopt_encoder.js
index 39e7a3cbfd..d0f9beaf61 100644
--- a/js/meshopt_encoder.js
+++ b/js/meshopt_encoder.js
@@ -5,7 +5,7 @@ var MeshoptEncoder = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
-		'b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G;kekr;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;C9oLdbk;GqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;WFbGgecjdaecjd6Ehqcbhkindndnaiak9nmbaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndnaec9WGgsTmbcbhzaPhHawhOxekdnaxmbalheinaraw9Ram6miawcbamzNjjjbamfhwaecufgembxvkkcbhAaPhOinaDaAfRbbhCaDcjlfheaOhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkaraw9Ram6mdaOcefhOawcbamzNjjjbamfhwaAcefgAal9hmbxlkkindnaxTmbaDazfRbbhCaDcjlfheaHhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkkaraO9Ram6mearaOcbamzNjjjbgLamfgw9RcK6mecbhKaDcjlfhOinaDcjlfaKfhYcwhAczhQceheindndnaegXce9hmbcuhoaYRbbmecbhodninaogecsSmeaecefhoaOaefcefRbbTmbkkcucbaecs6EhoxekaXcethocuaXtc;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcetcuftcu7:Yhvdndncuaicuftcu7:YgoJbbbZMgr:lJbbb9p9DTmbar:Ohwxekcjjjj94hwkcbhicbhDinalclfIdbgrJbbbbJbbjZalIdbgq:lar:lMalcwfIdbgk:lMgr:varJbbbb9BEgrNhxaqarNhrdndnakJbbbb9GTmbaxhqxekJbbjZar:l:tgqaq:maxJbbbb9GEhqJbbjZax:l:tgxax:marJbbbb9GEhrkdndnalcxfIdbgxJbbj:;axJbbj:;9GEgkJbbjZakJbbjZ9FEavNJbbbZJbbb:;axJbbbb9GEMgx:lJbbb9p9DTmbax:Ohmxekcjjjj94hmkdndnaqJbbj:;aqJbbj:;9GEgxJbbjZaxJbbjZ9FEaoNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:OhPxekcjjjj94hPkdndnarJbbj:;arJbbj:;9GEgqJbbjZaqJbbjZ9FEaoNJbbbZJbbb:;arJbbbb9GEMgr:lJbbb9p9DTmbar:Ohsxekcjjjj94hskdndnadcl9hmbabaifgzas86bbazcifam86bbazcdfaw86bbazcefaP86bbxekabaDfgzas87ebazcofam87ebazclfaw87ebazcdfaP87ebkalczfhlaiclfhiaDcwfhDaecufgembkkk;hlld99eud99eudnaeTmbdndncuaicuftcu7:YgvJbbbZMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikaic;8FiGhrinabcofcicdalclfIdb:lalIdb:l9EgialcwfIdb:lalaicdtfIdb:l9EEgialcxfIdb:lalaicdtfIdb:l9EEgiarV87ebdndnJbbj:;JbbjZalaicdtfIdbJbbbb9DEgoalaicd7cdtfIdbJ;Zl:1ZNNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabcdfaq87ebdndnalaicefciGcdtfIdbJ;Zl:1ZNaoNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabaq87ebdndnaoalaicufciGcdtfIdbJ;Zl:1ZNNgoJbbj:;aoJbbj:;9GEgwJbbjZawJbbjZ9FEavNJbbbZJbbb:;aoJbbbb9GEMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikabclfai87ebabcwfhbalczfhlaecufgembkkk:dvdxue998Jjjjjbcjd9Rgo8Kjjjjbadcd4hrdndndndnavcd9hmbadcl6meaohwarhDinawc:CuBdbawclfhwaDcufgDmbkaeTmiadcl6mdarcdthqalhkcbhxinaohwakhDarhminawawydbgPaDydbgscL4cFeGc:cufcbasEgsaPas9kEBdbaDclfhDawclfhwamcufgmmbkakaqfhkaxcefgxaeSmixbkkaeTmdxekaeTmekavcb9hadcl6gqVhzarcdthxavce9hhHcbhdindndndnaHmbaqmdc:CuhDalhwarhminaDawydbgPcL4cFeGc:cufcbaPEgPaDaP9kEhDawclfhwamcufgmmbxdkkc:CuhDazmbaohwalhmarhPinawamydbgscL4cFeGgkc8Aakc8A9kEc:cufcbasEBdbamclfhmawclfhwaPcufgPmbkkaqmbcbhwarhPinaDhmdnavceSmbaoawfydbhmkdndnalawfIdbgOcjjj;8iamai9RcefgmcLt9R::NJbbbZJbbb:;aOJbbbb9GEMgO:lJbbb9p9DTmbaO:Ohsxekcjjjj94hskabawfascFFFrGamcKtVBdbawclfhwaPcufgPmbkkabaxfhbalaxfhladcefgdae9hmbkkaocjdf8Kjjjjbk;HqdCui998Jjjjjbc:qd9Rgv8Kjjjjbavc:Sefcbc;KbzNjjjb8AcbhodnadTmbcbhoaiTmbdnabae9hmbavcuadcdtgradcFFFFi0Ecbyd:m:kjjbHjjjjbbgeBd:SeavceBd:mdaeabarz:tjjjb8Akavc:GefcwfcbBdbav9cb83i:Geavc:Gefaeadaiavc:Sefz:njjjbavyd:Gehwadci9UgDcbyd:m:kjjbHjjjjbbhravc:Sefavyd:mdgqcdtfarBdbavaqcefgkBd:mdarcbaDzNjjjbhxavc:SefakcdtfcuaicdtaicFFFFi0Ecbyd:m:kjjbHjjjjbbgmBdbavaqcdfgPBd:mdawhramhkinakalIdbalarydbgscwascw6Ecdtfc;ebfIdbMUdbarclfhrakclfhkaicufgimbkavc:SefaPcdtfcuaDcdtadcFFFF970Ecbyd:m:kjjbHjjjjbbgPBdbdnadci6mbaehraPhkaDhiinakamarydbcdtfIdbamarclfydbcdtfIdbMamarcwfydbcdtfIdbMUdbarcxfhrakclfhkaicufgimbkkaqcifhoavc;qbfhzavhravyd:KehHavyd:OehOcbhscbhkcbhAcehCinarhXcihQaeakci2gLcdtfgrydbhdarclfydbhqabaAcx2fgicwfarcwfydbgKBdbaiclfaqBdbaiadBdbaxakfce86bbazaKBdwazaqBdlazadBdbaPakcdtfcbBdbdnasTmbcihQaXhiinazaQcdtfaiydbgrBdbaQaraK9harad9haraq9hGGfhQaiclfhiascufgsmbkkaAcefhAcbhsinaOaHaeasaLfcdtfydbcdtgifydbcdtfgKhrawaifgqydbgdhidnadTmbdninarydbakSmearclfhraicufgiTmdxbkkaraKadcdtfc98fydbBdbaqaqydbcufBdbkascefgsci9hmbkdndnaQTmbcuhkJbbbbhYcbhqavyd:KehKavyd:OehLindndnawazaqcdtfydbcdtgsfydbgrmbaqcefhqxekaqcs0hiamasfgdIdbh8AadalcbaqcefgqaiEcdtfIdbalarcwarcw6Ecdtfc;ebfIdbMgEUdbaEa8A:thEarcdthiaLaKasfydbcdtfhrinaParydbgscdtfgdaEadIdbMg8AUdba8AaYaYa8A9DgdEhYasakadEhkarclfhraic98fgimbkkaqaQ9hmbkakcu9hmekaCaD9pmdindnaxaCfRbbmbaChkxdkaDaCcefgC9hmbxikkaQczaQcz6EhsazhraXhzakcu9hmbkkaocdtavc:Seffc98fhrdninaoTmearydbcbyd1:kjjbH:bjjjbbarc98fhraocufhoxbkkavc:qdf8Kjjjjbk;IlevucuaicdtgvaicFFFFi0Egocbyd:m:kjjbHjjjjbbhralalyd9GgwcdtfarBdbalawcefBd9GabarBdbaocbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdlcuadcdtadcFFFFi0Ecbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdwabydbcbavzNjjjb8Aadci9UhDdnadTmbabydbhoaehladhrinaoalydbcdtfgvavydbcefBdbalclfhlarcufgrmbkkdnaiTmbabydbhlabydlhrcbhvaihoinaravBdbarclfhralydbavfhvalclfhlaocufgombkkdnadci6mbabydlhrabydwhvcbhlinaecwfydbhoaeclfydbhdaraeydbcdtfgwawydbgwcefBdbavawcdtfalBdbaradcdtfgdadydbgdcefBdbavadcdtfalBdbaraocdtfgoaoydbgocefBdbavaocdtfalBdbaecxfheaDalcefgl9hmbkkdnaiTmbabydlheabydbhlinaeaeydbalydb9RBdbalclfhlaeclfheaicufgimbkkkQbabaeadaic:01jjbz:mjjjbkQbabaeadaic:C:jjjbz:mjjjbk9DeeuabcFeaicdtzNjjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk;Wkivuo99lu8Jjjjjbc;W;Gb9Rgl8Kjjjjbcbhvalcj;Gbfcbc;KbzNjjjb8AalcuadcdtadcFFFFi0Egocbyd:m:kjjbHjjjjbbgrBdj9GalceBd;G9GalcFFF;7rBdwal9cFFF;7;3FF:;Fb83dbalcFFF97Bd;S9Gal9cFFF;7FFF:;u83d;K9Gaicd4hwdndnadmbJFFuFhDJFFuuhqJFFuuhkJFFuFhxJFFuuhmJFFuFhPxekawcdthsaehzincbhiinalaifgHazaifIdbgDaHIdbgxaxaD9EEUdbalc;K;GbfaifgHaDaHIdbgxaxaD9DEUdbaiclfgicx9hmbkazasfhzavcefgvad9hmbkalIdwhqalId;S9GhDalIdlhkalId;O9GhxalIdbhmalId;K9GhPkdndnadTmbJbbbbJbbjZJbbbbaPam:tgPaPJbbbb9DEgPaxak:tgxaxaP9DEgxaDaq:tgDaDax9DEgD:vaDJbbbb9BEhDawcdthsarhHadhzindndnaDaeIdbam:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcv2c;j:KM;jbGhvdndnaDaeclfIdbak:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcq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// embed! wasm
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// embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
diff --git a/js/meshopt_encoder.module.js b/js/meshopt_encoder.module.js
index 3b5b3da656..63e581d547 100644
--- a/js/meshopt_encoder.module.js
+++ b/js/meshopt_encoder.module.js
@@ -4,7 +4,7 @@ var MeshoptEncoder = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
-		'b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G;kekr;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;C9oLdbk;GqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;WFbGgecjdaecjd6Ehqcbhkindndnaiak9nmbaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndnaec9WGgsTmbcbhzaPhHawhOxekdnaxmbalheinaraw9Ram6miawcbamzNjjjbamfhwaecufgembxvkkcbhAaPhOinaDaAfRbbhCaDcjlfheaOhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkaraw9Ram6mdaOcefhOawcbamzNjjjbamfhwaAcefgAal9hmbxlkkindnaxTmbaDazfRbbhCaDcjlfheaHhoaxhXinaeaoRbbgQaC9RgCcetaC;acr4786bbaoalfhoaecefheaQhCaXcufgXmbkkaraO9Ram6mearaOcbamzNjjjbgLamfgw9RcK6mecbhKaDcjlfhOinaDcjlfaKfhYcwhAczhQceheindndnaegXce9hmbcuhoaYRbbmecbhodninaogecsSmeaecefhoaOaefcefRbbTmbkkcucbaecs6EhoxekaXcethocuaXtc;:bGcFb7hCcbheinaoaCaOaefRbb9nfhoaecefgecz9hmbkkaoaQaoaQ6geEhQaXaAaeEhAaXcetheaXcl6mbkdndndndnaAcufPdiebkaLaKco4fgeaeRbbcdciaAclSEaKci4coGtV86bbaAcw9hmeawaY8Pbb83bbawcwfaYcwf8Pbb83bbawczfhwxdkaLaKco4fgeaeRbbceaKci4coGtV86bbkdncwaA9Tg8Ambinawcb86bbawcefhwxbkkcuaAtcu7hYcbhEaOh3ina3hea8AhCcbhoinaeRbbgQaYcFeGgXaQaX6EaoaAtVhoaecefheaCcufgCmbkawao86bba3a8Afh3awcefhwaEa8AfgEcz6mbkcbheindnaOaefRbbgoaX6mbawao86bbawcefhwkaecefgecz9hmbkkdnaKczfgKas9pmbaOczfhOaraw9RcL0mekkaKas6meawTmeaHcefhHawhOazcefgzalSmixbkkcbhoxikcbhoaraw9Ralcaalca0E6mddnalc8F0mbawcbcaal9RgezNjjjbaefhwkawaDcjdfalz:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcetcuftcu7:Yhvdndncuaicuftcu7:YgoJbbbZMgr:lJbbb9p9DTmbar:Ohwxekcjjjj94hwkcbhicbhDinalclfIdbgrJbbbbJbbjZalIdbgq:lar:lMalcwfIdbgk:lMgr:varJbbbb9BEgrNhxaqarNhrdndnakJbbbb9GTmbaxhqxekJbbjZar:l:tgqaq:maxJbbbb9GEhqJbbjZax:l:tgxax:marJbbbb9GEhrkdndnalcxfIdbgxJbbj:;axJbbj:;9GEgkJbbjZakJbbjZ9FEavNJbbbZJbbb:;axJbbbb9GEMgx:lJbbb9p9DTmbax:Ohmxekcjjjj94hmkdndnaqJbbj:;aqJbbj:;9GEgxJbbjZaxJbbjZ9FEaoNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:OhPxekcjjjj94hPkdndnarJbbj:;arJbbj:;9GEgqJbbjZaqJbbjZ9FEaoNJbbbZJbbb:;arJbbbb9GEMgr:lJbbb9p9DTmbar:Ohsxekcjjjj94hskdndnadcl9hmbabaifgzas86bbazcifam86bbazcdfaw86bbazcefaP86bbxekabaDfgzas87ebazcofam87ebazclfaw87ebazcdfaP87ebkalczfhlaiclfhiaDcwfhDaecufgembkkk;hlld99eud99eudnaeTmbdndncuaicuftcu7:YgvJbbbZMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikaic;8FiGhrinabcofcicdalclfIdb:lalIdb:l9EgialcwfIdb:lalaicdtfIdb:l9EEgialcxfIdb:lalaicdtfIdb:l9EEgiarV87ebdndnJbbj:;JbbjZalaicdtfIdbJbbbb9DEgoalaicd7cdtfIdbJ;Zl:1ZNNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabcdfaq87ebdndnalaicefciGcdtfIdbJ;Zl:1ZNaoNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabaq87ebdndnaoalaicufciGcdtfIdbJ;Zl:1ZNNgoJbbj:;aoJbbj:;9GEgwJbbjZawJbbjZ9FEavNJbbbZJbbb:;aoJbbbb9GEMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikabclfai87ebabcwfhbalczfhlaecufgembkkk:dvdxue998Jjjjjbcjd9Rgo8Kjjjjbadcd4hrdndndndnavcd9hmbadcl6meaohwarhDinawc:CuBdbawclfhwaDcufgDmbkaeTmiadcl6mdarcdthqalhkcbhxinaohwakhDarhminawawydbgPaDydbgscL4cFeGc:cufcbasEgsaPas9kEBdbaDclfhDawclfhwamcufgmmbkakaqfhkaxcefgxaeSmixbkkaeTmdxekaeTmekavcb9hadcl6gqVhzarcdthxavce9hhHcbhdindndndnaHmbaqmdc:CuhDalhwarhminaDawydbgPcL4cFeGc:cufcbaPEgPaDaP9kEhDawclfhwamcufgmmbxdkkc:CuhDazmbaohwalhmarhPinawamydbgscL4cFeGgkc8Aakc8A9kEc:cufcbasEBdbamclfhmawclfhwaPcufgPmbkkaqmbcbhwarhPinaDhmdnavceSmbaoawfydbhmkdndnalawfIdbgOcjjj;8iamai9RcefgmcLt9R::NJbbbZJbbb:;aOJbbbb9GEMgO:lJbbb9p9DTmbaO:Ohsxekcjjjj94hskabawfascFFFrGamcKtVBdbawclfhwaPcufgPmbkkabaxfhbalaxfhladcefgdae9hmbkkaocjdf8Kjjjjbk;HqdCui998Jjjjjbc:qd9Rgv8Kjjjjbavc:Sefcbc;KbzNjjjb8AcbhodnadTmbcbhoaiTmbdnabae9hmbavcuadcdtgradcFFFFi0Ecbyd:m:kjjbHjjjjbbgeBd:SeavceBd:mdaeabarz:tjjjb8Akavc:GefcwfcbBdbav9cb83i:Geavc:Gefaeadaiavc:Sefz:njjjbavyd:Gehwadci9UgDcbyd:m:kjjbHjjjjbbhravc:Sefavyd:mdgqcdtfarBdbavaqcefgkBd:mdarcbaDzNjjjbhxavc:SefakcdtfcuaicdtaicFFFFi0Ecbyd:m:kjjbHjjjjbbgmBdbavaqcdfgPBd:mdawhramhkinakalIdbalarydbgscwascw6Ecdtfc;ebfIdbMUdbarclfhrakclfhkaicufgimbkavc:SefaPcdtfcuaDcdtadcFFFF970Ecbyd:m:kjjbHjjjjbbgPBdbdnadci6mbaehraPhkaDhiinakamarydbcdtfIdbamarclfydbcdtfIdbMamarcwfydbcdtfIdbMUdbarcxfhrakclfhkaicufgimbkkaqcifhoavc;qbfhzavhravyd:KehHavyd:OehOcbhscbhkcbhAcehCinarhXcihQaeakci2gLcdtfgrydbhdarclfydbhqabaAcx2fgicwfarcwfydbgKBdbaiclfaqBdbaiadBdbaxakfce86bbazaKBdwazaqBdlazadBdbaPakcdtfcbBdbdnasTmbcihQaXhiinazaQcdtfaiydbgrBdbaQaraK9harad9haraq9hGGfhQaiclfhiascufgsmbkkaAcefhAcbhsinaOaHaeasaLfcdtfydbcdtgifydbcdtfgKhrawaifgqydbgdhidnadTmbdninarydbakSmearclfhraicufgiTmdxbkkaraKadcdtfc98fydbBdbaqaqydbcufBdbkascefgsci9hmbkdndnaQTmbcuhkJbbbbhYcbhqavyd:KehKavyd:OehLindndnawazaqcdtfydbcdtgsfydbgrmbaqcefhqxekaqcs0hiamasfgdIdbh8AadalcbaqcefgqaiEcdtfIdbalarcwarcw6Ecdtfc;ebfIdbMgEUdbaEa8A:thEarcdthiaLaKasfydbcdtfhrinaParydbgscdtfgdaEadIdbMg8AUdba8AaYaYa8A9DgdEhYasakadEhkarclfhraic98fgimbkkaqaQ9hmbkakcu9hmekaCaD9pmdindnaxaCfRbbmbaChkxdkaDaCcefgC9hmbxikkaQczaQcz6EhsazhraXhzakcu9hmbkkaocdtavc:Seffc98fhrdninaoTmearydbcbyd1:kjjbH:bjjjbbarc98fhraocufhoxbkkavc:qdf8Kjjjjbk;IlevucuaicdtgvaicFFFFi0Egocbyd:m:kjjbHjjjjbbhralalyd9GgwcdtfarBdbalawcefBd9GabarBdbaocbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdlcuadcdtadcFFFFi0Ecbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdwabydbcbavzNjjjb8Aadci9UhDdnadTmbabydbhoaehladhrinaoalydbcdtfgvavydbcefBdbalclfhlarcufgrmbkkdnaiTmbabydbhlabydlhrcbhvaihoinaravBdbarclfhralydbavfhvalclfhlaocufgombkkdnadci6mbabydlhrabydwhvcbhlinaecwfydbhoaeclfydbhdaraeydbcdtfgwawydbgwcefBdbavawcdtfalBdbaradcdtfgdadydbgdcefBdbavadcdtfalBdbaraocdtfgoaoydbgocefBdbavaocdtfalBdbaecxfheaDalcefgl9hmbkkdnaiTmbabydlheabydbhlinaeaeydbalydb9RBdbalclfhlaeclfheaicufgimbkkkQbabaeadaic:01jjbz:mjjjbkQbabaeadaic:C:jjjbz:mjjjbk9DeeuabcFeaicdtzNjjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk;Wkivuo99lu8Jjjjjbc;W;Gb9Rgl8Kjjjjbcbhvalcj;Gbfcbc;KbzNjjjb8AalcuadcdtadcFFFFi0Egocbyd:m:kjjbHjjjjbbgrBdj9GalceBd;G9GalcFFF;7rBdwal9cFFF;7;3FF:;Fb83dbalcFFF97Bd;S9Gal9cFFF;7FFF:;u83d;K9Gaicd4hwdndnadmbJFFuFhDJFFuuhqJFFuuhkJFFuFhxJFFuuhmJFFuFhPxekawcdthsaehzincbhiinalaifgHazaifIdbgDaHIdbgxaxaD9EEUdbalc;K;GbfaifgHaDaHIdbgxaxaD9DEUdbaiclfgicx9hmbkazasfhzavcefgvad9hmbkalIdwhqalId;S9GhDalIdlhkalId;O9GhxalIdbhmalId;K9GhPkdndnadTmbJbbbbJbbjZJbbbbaPam:tgPaPJbbbb9DEgPaxak:tgxaxaP9DEgxaDaq:tgDaDax9DEgD:vaDJbbbb9BEhDawcdthsarhHadhzindndnaDaeIdbam:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcv2c;j:KM;jbGhvdndnaDaeclfIdbak:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcq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// embed! wasm
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// embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,

From 897976bb56ba6851d1cdb98cfb2d7851dd428cb6 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 28 Sep 2024 22:28:52 -0700
Subject: [PATCH 328/581] simplify: Add a note about locked target vertices

The collapse scheduling mechanics actually permit collapsing more than
one vertex to the same target. We normally don't do this because that
may lead to collapses v0->v1 even if v1->v0 has better error, since we
haven't had a chance to recompute the error.

However, if the target vertex can not move (if it's kind is locked)
anyway, this constraint does not apply: we dutifully update quadrics of
locked vertices but these updates aren't used for any evaluation. This
could allow us to collapse more vertices in a single pass if the target
is locked.

Trying this on a set of test meshes, however, a few percentage of meshes
exhibit somewhat higher resulting error, and this error is also
apparent visually. This is probably due to an unfair advantage that
collapses to locked get; even though the error is technically correct,
we may go further in the original sorted collapse list and select edges
that we would not need to collapse as edges with smaller error become
available.

So this change is a no-op but this discovery and testing results seem
important to document for the future.
---
 src/simplifier.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 857d6b0ffd..91be38b621 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1251,6 +1251,8 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 			collapse_remap[i0] = i1;
 		}
 
+		// note: we technically don't need to lock r1 if it's a locked vertex, as it can't move and its quadric won't be used
+		// however, this results in slightly worse error on some meshes because the locked collapses get an unfair advantage wrt scheduling
 		collapse_locked[r0] = 1;
 		collapse_locked[r1] = 1;
 

From 52ff2aa51c3e31d8969e20cf17ec397f21c3da87 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 30 Sep 2024 09:17:51 -0700
Subject: [PATCH 329/581] Use -Werror in Makefile builds in CI only

Warnings as errors interfere with local development, especially Wunused;
for CMake we already switched to specifying werror separately as an
option, and it's probably time to do this for Makefile as well.
---
 .github/workflows/build.yml | 4 ++++
 Makefile                    | 9 +++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a20ce90108..a1df56a084 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,6 +17,8 @@ jobs:
         os: [{ name: ubuntu, version: ubuntu-latest }, { name: macos-intel, version: macos-13 }, { name: macos-arm, version: macos-14 }]
     name: ${{matrix.os.name}}
     runs-on: ${{matrix.os.version}}
+    env:
+      werror: 1
     steps:
       - uses: actions/checkout@v4
       - name: work around ASLR+ASAN compatibility
@@ -131,6 +133,8 @@ jobs:
 
   gltfpack-basis:
     runs-on: ubuntu-latest
+    env:
+      werror: 1
     steps:
       - uses: actions/checkout@v4
       - uses: actions/checkout@v4
diff --git a/Makefile b/Makefile
index cede97848d..4cafb958e5 100644
--- a/Makefile
+++ b/Makefile
@@ -19,8 +19,8 @@ OBJECTS=$(LIBRARY_OBJECTS) $(DEMO_OBJECTS) $(GLTFPACK_OBJECTS)
 LIBRARY=$(BUILD)/libmeshoptimizer.a
 DEMO=$(BUILD)/meshoptimizer
 
-CFLAGS=-g -Wall -Wextra -Werror -std=c89
-CXXFLAGS=-g -Wall -Wextra -Wshadow -Wno-missing-field-initializers -Werror -std=gnu++98
+CFLAGS=-g -Wall -Wextra -std=c89
+CXXFLAGS=-g -Wall -Wextra -Wshadow -Wno-missing-field-initializers -std=gnu++98
 LDFLAGS=
 
 $(GLTFPACK_OBJECTS): CXXFLAGS+=-std=c++11
@@ -63,6 +63,11 @@ WASM_SIMPLIFIER_EXPORTS=meshopt_simplify meshopt_simplifyWithAttributes meshopt_
 WASM_CLUSTERIZER_SOURCES=src/clusterizer.cpp tools/wasmstubs.cpp
 WASM_CLUSTERIZER_EXPORTS=meshopt_buildMeshletsBound meshopt_buildMeshlets meshopt_computeClusterBounds meshopt_computeMeshletBounds meshopt_optimizeMeshlet sbrk __wasm_call_ctors
 
+ifneq ($(werror),)
+	CFLAGS+=-Werror
+	CXXFLAGS+=-Werror
+endif
+
 ifeq ($(config),iphone)
 	IPHONESDK=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk
 	CFLAGS+=-arch armv7 -arch arm64 -isysroot $(IPHONESDK)

From fe64440c5699c36ebc4e6d4507038583c2e8560a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 30 Sep 2024 09:19:32 -0700
Subject: [PATCH 330/581] Fix gltfpack Wasm warning settings

This target is not using the wasm flags so it's cumbersome to get it to
support the full setup... for now just add Wall (can't add Wextra
without a couple warnings exclusions/fixes in wasi stubs).
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 4cafb958e5..5c031441db 100644
--- a/Makefile
+++ b/Makefile
@@ -150,7 +150,7 @@ $(BUILD)/gltfpack: $(GLTFPACK_OBJECTS) $(LIBRARY)
 gltfpack.wasm: gltf/library.wasm
 
 gltf/library.wasm: $(LIBRARY_SOURCES) $(GLTFPACK_SOURCES)
-	$(WASMCC) $^ -o $@ -Os -DNDEBUG --target=wasm32-wasi --sysroot=$(WASIROOT) -nostartfiles -Wl,--no-entry -Wl,--export=pack -Wl,--export=malloc -Wl,--export=free -Wl,--export=__wasm_call_ctors -Wl,-s -Wl,--allow-undefined-file=gltf/wasistubs.txt
+	$(WASMCC) $^ -o $@ -Wall -Os -DNDEBUG --target=wasm32-wasi --sysroot=$(WASIROOT) -nostartfiles -Wl,--no-entry -Wl,--export=pack -Wl,--export=malloc -Wl,--export=free -Wl,--export=__wasm_call_ctors -Wl,-s -Wl,--allow-undefined-file=gltf/wasistubs.txt
 
 build/decoder_base.wasm: $(WASM_DECODER_SOURCES)
 	@mkdir -p build

From 12738778f2a22847134561d120a485c19e571c9d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 30 Sep 2024 09:36:31 -0700
Subject: [PATCH 331/581] Slightly cleanup Wasm build recipes

There is no need to repeat the recipe for JS embedding for single-module
files; decoder is still special because it embeds two modules.
---
 Makefile | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/Makefile b/Makefile
index 5c031441db..bf6c7c399c 100644
--- a/Makefile
+++ b/Makefile
@@ -179,19 +179,13 @@ js/meshopt_decoder.js: build/decoder_base.wasm build/decoder_simd.wasm tools/was
 	sed -i "s#\([\"']\).*\(;\s*//\s*embed! simd\)#\\1$$(cat build/decoder_simd.wasm | python3 tools/wasmpack.py)\\1\\2#" $@
 
 js/meshopt_encoder.js: build/encoder.wasm tools/wasmpack.py
-	sed -i "s#Built with clang.*#Built with $$($(WASMCC) --version | head -n 1 | sed 's/\s\+(.*//')#" $@
-	sed -i "s#Built from meshoptimizer .*#Built from meshoptimizer $$(cat src/meshoptimizer.h | grep -Po '(?<=version )[0-9.]+')#" $@
-	sed -i "s#\([\"']\).*\(;\s*//\s*embed! wasm\)#\\1$$(cat build/encoder.wasm | python3 tools/wasmpack.py)\\1\\2#" $@
-
 js/meshopt_simplifier.js: build/simplifier.wasm tools/wasmpack.py
-	sed -i "s#Built with clang.*#Built with $$($(WASMCC) --version | head -n 1 | sed 's/\s\+(.*//')#" $@
-	sed -i "s#Built from meshoptimizer .*#Built from meshoptimizer $$(cat src/meshoptimizer.h | grep -Po '(?<=version )[0-9.]+')#" $@
-	sed -i "s#\([\"']\).*\(;\s*//\s*embed! wasm\)#\\1$$(cat build/simplifier.wasm | python3 tools/wasmpack.py)\\1\\2#" $@
-
 js/meshopt_clusterizer.js: build/clusterizer.wasm tools/wasmpack.py
+
+js/meshopt_encoder.js js/meshopt_simplifier.js js/meshopt_clusterizer.js:
 	sed -i "s#Built with clang.*#Built with $$($(WASMCC) --version | head -n 1 | sed 's/\s\+(.*//')#" $@
 	sed -i "s#Built from meshoptimizer .*#Built from meshoptimizer $$(cat src/meshoptimizer.h | grep -Po '(?<=version )[0-9.]+')#" $@
-	sed -i "s#\([\"']\).*\(;\s*//\s*embed! wasm\)#\\1$$(cat build/clusterizer.wasm | python3 tools/wasmpack.py)\\1\\2#" $@
+	sed -i "s#\([\"']\).*\(;\s*//\s*embed! wasm\)#\\1$$(cat $< | python3 tools/wasmpack.py)\\1\\2#" $@
 
 js/%.module.js: js/%.js
 	sed '\#// export!#q' <$< >$@

From 0f434832369668cef2fee80489f707c965d6ab2d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 30 Sep 2024 13:43:56 -0700
Subject: [PATCH 332/581] demo: Implement manual boundary locking for clusters

While using automatic border locking usually works very well, it
prevents simplifying open geometric borders that the source mesh might
contain. When a mesh has many edges like this, this negatively affects
the DAG quality by locking edges contained within one cluster group.

Instead, we can simply mark vertices that are shared by more than one
group after a partition and feed that data to simplifier.

The effect of this is situational; it's beneficial overall but because
the rest of the pipeline has odd issues with partitioning, even when
using METIS for everything, sometimes this ends up constraining the
build process a little more for unclear reasons. Theoretically this
should be strictly better though, and on some meshes like kitten.obj it
does measurably help, however it needs fixes for attribute seams to
keep it enabled.
---
 demo/nanite.cpp | 41 ++++++++++++++++++++++++++++++++++++-----
 1 file changed, 36 insertions(+), 5 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index a52a61a395..45e7ca694d 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -15,6 +15,7 @@
 #include <float.h>
 #include <math.h>
 #include <stdio.h>
+#include <string.h>
 
 #include <map>
 #include <vector>
@@ -50,6 +51,7 @@ struct Cluster
 };
 
 const size_t kClusterSize = 128;
+const bool kUseLocks = false;
 
 static LODBounds bounds(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, float error)
 {
@@ -386,15 +388,40 @@ static std::vector<std::vector<int> > partition(const std::vector<Cluster>& clus
 	return result;
 }
 
-static std::vector<unsigned int> simplify(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, size_t target_count, float* error = NULL)
+static void lockBoundary(std::vector<unsigned char>& locks, const std::vector<std::vector<int> >& groups, const std::vector<Cluster>& clusters)
+{
+	std::vector<int> groupmap(locks.size(), -1);
+
+	memset(&locks[0], 0, locks.size());
+
+	for (size_t i = 0; i < groups.size(); ++i)
+		for (size_t j = 0; j < groups[i].size(); ++j)
+		{
+			const Cluster& cluster = clusters[groups[i][j]];
+
+			for (size_t k = 0; k < cluster.indices.size(); ++k)
+			{
+				unsigned int v = cluster.indices[k];
+
+				if (groupmap[v] == -1 || groupmap[v] == int(i))
+					groupmap[v] = int(i);
+				else
+					locks[v] = 1;
+			}
+		}
+}
+
+static std::vector<unsigned int> simplify(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, const std::vector<unsigned char>* locks, size_t target_count, float* error = NULL)
 {
 	if (target_count > indices.size())
 		return indices;
 
 	std::vector<unsigned int> lod(indices.size());
-	unsigned int options = meshopt_SimplifyLockBorder | meshopt_SimplifySparse | meshopt_SimplifyErrorAbsolute;
-	lod.resize(meshopt_simplify(&lod[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(Vertex), target_count, FLT_MAX, options, error));
-
+	unsigned int options = meshopt_SimplifySparse | meshopt_SimplifyErrorAbsolute;
+	if (locks)
+		lod.resize(meshopt_simplifyWithAttributes(&lod[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(Vertex), NULL, 0, NULL, 0, &(*locks)[0], target_count, FLT_MAX, options, error));
+	else
+		lod.resize(meshopt_simplify(&lod[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(Vertex), target_count, FLT_MAX, options | meshopt_SimplifyLockBorder, error));
 	return lod;
 }
 
@@ -431,6 +458,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 #endif
 
 	int depth = 0;
+	std::vector<unsigned char> locks(vertices.size());
 
 	// merge and simplify clusters until we can't merge anymore
 	while (pending.size() > 1)
@@ -449,6 +477,9 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		if (dump && depth == atoi(dump))
 			dumpObj(vertices, std::vector<unsigned int>());
 
+		if (kUseLocks)
+			lockBoundary(locks, groups, clusters);
+
 		// every group needs to be simplified now
 		for (size_t i = 0; i < groups.size(); ++i)
 		{
@@ -479,7 +510,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 				dumpObj("group", merged);
 
 			float error = 0.f;
-			std::vector<unsigned int> simplified = simplify(vertices, merged, kClusterSize * 2 * 3, &error);
+			std::vector<unsigned int> simplified = simplify(vertices, merged, kUseLocks ? &locks : NULL, kClusterSize * 2 * 3, &error);
 			if (simplified.size() > merged.size() * 0.85f || simplified.size() > kClusterSize * 3 * 3)
 			{
 #if TRACE

From 43dac0d016c74e524a7184d3c797d96fdd7e8a7b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 1 Oct 2024 18:07:28 -0700
Subject: [PATCH 333/581] demo: Add total triangle/cluster counter

This is helpful to estimate the memory impact of the full LOD chain and
makes it easier to compare stats with UE which reports them in log file.
---
 demo/nanite.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 45e7ca694d..b238195add 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -567,11 +567,16 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		pending.insert(pending.end(), retry.begin(), retry.end());
 	}
 
+	size_t total_triangles = 0;
 	size_t lowest_triangles = 0;
 	for (size_t i = 0; i < clusters.size(); ++i)
+	{
+		total_triangles += clusters[i].indices.size() / 3;
 		if (clusters[i].parent.error == FLT_MAX)
 			lowest_triangles += clusters[i].indices.size() / 3;
+	}
 
+	printf("total: %d triangles in %d clusters\n", int(total_triangles), int(clusters.size()));
 	printf("lowest lod: %d triangles\n", int(lowest_triangles));
 
 	// for testing purposes, we can compute a DAG cut from a given viewpoint and dump it as an OBJ

From a7f7198b72ccbae08624e0eb62add5d6e7272d9d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 1 Oct 2024 18:35:37 -0700
Subject: [PATCH 334/581] demo: Add individual clusters to debug mesh

It is pretty difficult to debug the visualized data with just groups
without a sense as to where the cluster boundaries lie; this outputs
duplicate geometry but makes it easier to work with in Blender.
---
 demo/nanite.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index b238195add..f05b9304f3 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -507,7 +507,12 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 				merged.insert(merged.end(), clusters[groups[i][j]].indices.begin(), clusters[groups[i][j]].indices.end());
 
 			if (dump && depth == atoi(dump))
+			{
+				for (size_t j = 0; j < groups[i].size(); ++j)
+					dumpObj("cluster", clusters[groups[i][j]].indices);
+
 				dumpObj("group", merged);
+			}
 
 			float error = 0.f;
 			std::vector<unsigned int> simplified = simplify(vertices, merged, kUseLocks ? &locks : NULL, kClusterSize * 2 * 3, &error);

From b35474e3298e654130568d50d29c1fbee52e5074 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 1 Oct 2024 18:51:20 -0700
Subject: [PATCH 335/581] demo: Use position remap for locking and partitioning

Previously when we built adjacency between groups we would not create
edges between clusters when they shared the position of the vertex with
a different attribute. This meant that when the cluster boundary
contained a crease, it would not be reflected correctly in the
adjacency.

Similarly, but more importantly, we need this information when locking
the cluster boundary for the same reason; before, lockBoundary could
result in gaps because the locking information on the boundary was
inconsistent. This allows us to enable kUseLocks by default.
---
 demo/nanite.cpp | 43 +++++++++++++++++++++++++++++--------------
 1 file changed, 29 insertions(+), 14 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index f05b9304f3..6ec7481042 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -51,7 +51,7 @@ struct Cluster
 };
 
 const size_t kClusterSize = 128;
-const bool kUseLocks = false;
+const bool kUseLocks = true;
 
 static LODBounds bounds(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, float error)
 {
@@ -276,7 +276,7 @@ static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, cons
 }
 
 #ifdef METIS
-static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>& clusters, const std::vector<int>& pending)
+static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>& clusters, const std::vector<int>& pending, const std::vector<unsigned int>& remap)
 {
 	std::vector<std::vector<int> > result;
 
@@ -288,8 +288,8 @@ static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>&
 
 		for (size_t j = 0; j < cluster.indices.size(); ++j)
 		{
-			int v0 = cluster.indices[j + 0];
-			int v1 = cluster.indices[j + (j % 3 == 2 ? -2 : 1)];
+			int v0 = remap[cluster.indices[j + 0]];
+			int v1 = remap[cluster.indices[j + (j % 3 == 2 ? -2 : 1)]];
 
 			std::vector<int>& list = edges[std::make_pair(std::min(v0, v1), std::max(v0, v1))];
 			if (list.empty() || list.back() != int(i))
@@ -360,14 +360,16 @@ static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>&
 }
 #endif
 
-static std::vector<std::vector<int> > partition(const std::vector<Cluster>& clusters, const std::vector<int>& pending)
+static std::vector<std::vector<int> > partition(const std::vector<Cluster>& clusters, const std::vector<int>& pending, const std::vector<unsigned int>& remap)
 {
 #ifdef METIS
 	static const char* metis = getenv("METIS");
 	if (metis && atoi(metis) >= 1)
-		return partitionMetis(clusters, pending);
+		return partitionMetis(clusters, pending, remap);
 #endif
 
+	(void)remap;
+
 	std::vector<std::vector<int> > result;
 
 	size_t last_indices = 0;
@@ -388,12 +390,10 @@ static std::vector<std::vector<int> > partition(const std::vector<Cluster>& clus
 	return result;
 }
 
-static void lockBoundary(std::vector<unsigned char>& locks, const std::vector<std::vector<int> >& groups, const std::vector<Cluster>& clusters)
+static void lockBoundary(std::vector<unsigned char>& locks, const std::vector<std::vector<int> >& groups, const std::vector<Cluster>& clusters, const std::vector<unsigned int>& remap)
 {
 	std::vector<int> groupmap(locks.size(), -1);
 
-	memset(&locks[0], 0, locks.size());
-
 	for (size_t i = 0; i < groups.size(); ++i)
 		for (size_t j = 0; j < groups[i].size(); ++j)
 		{
@@ -402,13 +402,22 @@ static void lockBoundary(std::vector<unsigned char>& locks, const std::vector<st
 			for (size_t k = 0; k < cluster.indices.size(); ++k)
 			{
 				unsigned int v = cluster.indices[k];
+				unsigned int r = remap[v];
 
-				if (groupmap[v] == -1 || groupmap[v] == int(i))
-					groupmap[v] = int(i);
+				if (groupmap[r] == -1 || groupmap[r] == int(i))
+					groupmap[r] = int(i);
 				else
-					locks[v] = 1;
+					groupmap[r] = -2;
 			}
 		}
+
+	// note: we need to consistently lock all vertices with the same position to avoid holes
+	for (size_t i = 0; i < locks.size(); ++i)
+	{
+		unsigned int r = remap[i];
+
+		locks[i] = (groupmap[r] == -2);
+	}
 }
 
 static std::vector<unsigned int> simplify(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, const std::vector<unsigned char>* locks, size_t target_count, float* error = NULL)
@@ -460,10 +469,16 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 	int depth = 0;
 	std::vector<unsigned char> locks(vertices.size());
 
+	// for cluster connectivity, we need a position-only remap that maps vertices with the same position to the same index
+	// it's more efficient to build it once; unfortunately, meshopt_generateVertexRemap doesn't support stride so we need to use *Multi version
+	std::vector<unsigned int> remap(vertices.size());
+	meshopt_Stream position = {&vertices[0].px, sizeof(float) * 3, sizeof(Vertex)};
+	meshopt_generateVertexRemapMulti(&remap[0], &indices[0], indices.size(), vertices.size(), &position, 1);
+
 	// merge and simplify clusters until we can't merge anymore
 	while (pending.size() > 1)
 	{
-		std::vector<std::vector<int> > groups = partition(clusters, pending);
+		std::vector<std::vector<int> > groups = partition(clusters, pending, remap);
 		pending.clear();
 
 		std::vector<int> retry;
@@ -478,7 +493,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 			dumpObj(vertices, std::vector<unsigned int>());
 
 		if (kUseLocks)
-			lockBoundary(locks, groups, clusters);
+			lockBoundary(locks, groups, clusters, remap);
 
 		// every group needs to be simplified now
 		for (size_t i = 0; i < groups.size(); ++i)

From 8a0beac45266571a450935b1b669332b19671efb Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 1 Oct 2024 19:03:24 -0700
Subject: [PATCH 336/581] demo: Use vertex adjacency for partitioning

Instead of using shared edges to provide adjacency, we now use shared
vertices; this works more or less the same way but is easier to compute.
For some reason this also results in fewer stuck triangles when using
full METIS pipeline.
---
 demo/nanite.cpp | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 6ec7481042..13f7c21679 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -279,8 +279,7 @@ static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, cons
 static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>& clusters, const std::vector<int>& pending, const std::vector<unsigned int>& remap)
 {
 	std::vector<std::vector<int> > result;
-
-	std::map<std::pair<int, int>, std::vector<int> > edges;
+	std::vector<std::vector<int> > vertices(remap.size());
 
 	for (size_t i = 0; i < pending.size(); ++i)
 	{
@@ -288,10 +287,9 @@ static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>&
 
 		for (size_t j = 0; j < cluster.indices.size(); ++j)
 		{
-			int v0 = remap[cluster.indices[j + 0]];
-			int v1 = remap[cluster.indices[j + (j % 3 == 2 ? -2 : 1)]];
+			int v = remap[cluster.indices[j]];
 
-			std::vector<int>& list = edges[std::make_pair(std::min(v0, v1), std::max(v0, v1))];
+			std::vector<int>& list = vertices[v];
 			if (list.empty() || list.back() != int(i))
 				list.push_back(int(i));
 		}
@@ -299,9 +297,9 @@ static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>&
 
 	std::map<std::pair<int, int>, int> adjacency;
 
-	for (std::map<std::pair<int, int>, std::vector<int> >::iterator it = edges.begin(); it != edges.end(); ++it)
+	for (size_t v = 0; v < vertices.size(); ++v)
 	{
-		const std::vector<int>& list = it->second;
+		const std::vector<int>& list = vertices[v];
 
 		for (size_t i = 0; i < list.size(); ++i)
 			for (size_t j = i + 1; j < list.size(); ++j)

From a2f74c6a0e8f36db30be6f3b2904135167e9711f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 1 Oct 2024 19:45:31 -0700
Subject: [PATCH 337/581] demo: Use a flexible (and larger) cluster group size

Using 4 clusters is fairly limiting wrt partition quality, as it demands
very careful grouping that METIS is not willing to provide. Instead use
a larger group size (8 atm), and adjust the simplification condition to
be adaptive to the group size so that partitioning is free to produce
groups of varying sizes.
---
 demo/nanite.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 13f7c21679..868bc1c2a1 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -51,6 +51,7 @@ struct Cluster
 };
 
 const size_t kClusterSize = 128;
+const size_t kGroupSize = 8;
 const bool kUseLocks = true;
 
 static LODBounds bounds(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, float error)
@@ -335,7 +336,7 @@ static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>&
 
 	int nvtxs = int(pending.size());
 	int ncon = 1;
-	int nparts = int(pending.size() + 3) / 4;
+	int nparts = int(pending.size() + kGroupSize - 1) / kGroupSize;
 	int edgecut = 0;
 
 	if (nparts <= 1)
@@ -375,7 +376,7 @@ static std::vector<std::vector<int> > partition(const std::vector<Cluster>& clus
 	// rough merge; while clusters are approximately spatially ordered, this should use a proper partitioning algorithm
 	for (size_t i = 0; i < pending.size(); ++i)
 	{
-		if (result.empty() || last_indices + clusters[pending[i]].indices.size() > kClusterSize * 4 * 3)
+		if (result.empty() || last_indices + clusters[pending[i]].indices.size() > kClusterSize * kGroupSize * 3)
 		{
 			result.push_back(std::vector<int>());
 			last_indices = 0;
@@ -527,9 +528,10 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 				dumpObj("group", merged);
 			}
 
+			size_t target_size = ((groups[i].size() + 1) / 2) * kClusterSize * 3;
 			float error = 0.f;
-			std::vector<unsigned int> simplified = simplify(vertices, merged, kUseLocks ? &locks : NULL, kClusterSize * 2 * 3, &error);
-			if (simplified.size() > merged.size() * 0.85f || simplified.size() > kClusterSize * 3 * 3)
+			std::vector<unsigned int> simplified = simplify(vertices, merged, kUseLocks ? &locks : NULL, target_size, &error);
+			if (simplified.size() > merged.size() * 0.85f || simplified.size() / (kClusterSize * 3) >= merged.size() / (kClusterSize * 3))
 			{
 #if TRACE
 				printf("stuck cluster: simplified %d => %d over threshold\n", int(merged.size() / 3), int(simplified.size() / 3));

From d459d1a5683d3b91f3f465fbd4c5eadf1e6b3fe8 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 2 Oct 2024 11:08:06 -0700
Subject: [PATCH 338/581] simplify: Rework vertex_lock implementation for
 better wedge behavior

Previously, we would only read vertex_lock data for the primary vertex
(the vertex with the smallest index among those with the same position).
When using sparse mode, this would be the first vertex referenced by the
index buffer due to how the sparse remap works.

If the input locks were inconsistent between all copies, there could be
a situation where a vertex with the wrong index was asked to be locked,
and the vertex would still be not-locked and could move. When *not*
using sparse mode, this was particularly problematic as the flags would
be read from the vertex that might not be referenced by the index buffer
at all.

We now propagate the locked status into the primary vertex in a separate
pass; this requires re-locking the wedges in a separate pass, but all of
this is very quick especially when using sparse mode.
---
 src/simplifier.cpp | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 91be38b621..1fcf2f56b8 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -369,12 +369,7 @@ static void classifyVertices(unsigned char* result, unsigned int* loop, unsigned
 	{
 		if (remap[i] == i)
 		{
-			if (vertex_lock && vertex_lock[sparse_remap ? sparse_remap[i] : i])
-			{
-				// vertex is explicitly locked
-				result[i] = Kind_Locked;
-			}
-			else if (wedge[i] == i)
+			if (wedge[i] == i)
 			{
 				// no attribute seam, need to check if it's manifold
 				unsigned int openi = openinc[i], openo = openout[i];
@@ -438,6 +433,18 @@ static void classifyVertices(unsigned char* result, unsigned int* loop, unsigned
 		}
 	}
 
+	if (vertex_lock)
+	{
+		// vertex_lock may lock any wedge, not just the primary vertex, so we need to lock the primary vertex and relock any wedges
+		for (size_t i = 0; i < vertex_count; ++i)
+			if (vertex_lock[sparse_remap ? sparse_remap[i] : i])
+				result[remap[i]] = Kind_Locked;
+
+		for (size_t i = 0; i < vertex_count; ++i)
+			if (result[remap[i]] == Kind_Locked)
+				result[i] = Kind_Locked;
+	}
+
 	if (options & meshopt_SimplifyLockBorder)
 		for (size_t i = 0; i < vertex_count; ++i)
 			if (result[i] == Kind_Border)

From 7e0fad10ed93098a47edf9b83b619c7829b01be3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 2 Oct 2024 11:11:33 -0700
Subject: [PATCH 339/581] demo: Add a test for interaction between lock flags &
 seams

This test would fail before, specifically lock2 would not lock the spine
because it was using the side of the spine with larger vertex indices;
after the previous fix lock2 and lock3 are equivalent.
---
 demo/tests.cpp | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index ac48484899..e87a5a349c 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1221,6 +1221,78 @@ static void simplifyLockFlags()
 	assert(memcmp(ib, expected, sizeof(expected)) == 0);
 }
 
+static void simplifyLockFlagsSeam()
+{
+	float vb[] = {
+	    0, 0, 0,
+	    0, 1, 0,
+	    0, 1, 0,
+	    0, 2, 0,
+	    1, 0, 0,
+	    1, 1, 0,
+	    1, 1, 0,
+	    1, 2, 0,
+	    2, 0, 0,
+	    2, 1, 0,
+	    2, 1, 0,
+	    2, 2, 0, // clang-format :-/
+	};
+
+	unsigned char lock0[12] = {
+	    1, 0, 0, 1,
+	    0, 0, 0, 0,
+	    1, 0, 0, 1, // clang-format :-/
+	};
+
+	unsigned char lock1[12] = {
+	    1, 0, 0, 1,
+	    1, 0, 0, 1,
+	    1, 0, 0, 1, // clang-format :-/
+	};
+
+	unsigned char lock2[12] = {
+	    1, 0, 1, 1,
+	    1, 0, 1, 1,
+	    1, 0, 1, 1, // clang-format :-/
+	};
+
+	unsigned char lock3[12] = {
+	    1, 1, 0, 1,
+	    1, 1, 0, 1,
+	    1, 1, 0, 1, // clang-format :-/
+	};
+
+	// 0 1-2 3
+	// 4 5-6 7
+	// 8 9-10 11
+
+	unsigned int ib[] = {
+	    0, 1, 4,
+	    4, 1, 5,
+	    4, 5, 8,
+	    8, 5, 9,
+	    2, 3, 6,
+	    6, 3, 7,
+	    6, 7, 10,
+	    10, 7, 11, // clang-format :-/
+	};
+
+	unsigned int res[24];
+	// with no locks, we should be able to collapse the entire mesh (vertices 1-2 and 9-10 are locked but others can move towards them)
+	assert(meshopt_simplifyWithAttributes(res, ib, 24, vb, 12, 12, NULL, 0, NULL, 0, NULL, 0, 1.f, 0) == 0);
+
+	// with corners locked, we should get two quads
+	assert(meshopt_simplifyWithAttributes(res, ib, 24, vb, 12, 12, NULL, 0, NULL, 0, lock0, 0, 1.f, 0) == 12);
+
+	// with both sides locked, we can only collapse the seam spine
+	assert(meshopt_simplifyWithAttributes(res, ib, 24, vb, 12, 12, NULL, 0, NULL, 0, lock1, 0, 1.f, 0) == 18);
+
+	// with seam spine locked, we can collapse nothing; note that we intentionally test two different lock configurations
+	// they each lock only one side of the seam spine, which should be equivalent
+	assert(meshopt_simplifyWithAttributes(res, ib, 24, vb, 12, 12, NULL, 0, NULL, 0, lock2, 0, 1.f, 0) == 24);
+	assert(meshopt_simplifyWithAttributes(res, ib, 24, vb, 12, 12, NULL, 0, NULL, 0, lock3, 0, 1.f, 0) == 24);
+}
+
 static void simplifySparse()
 {
 	float vb[] = {
@@ -1774,6 +1846,7 @@ void runTests()
 	simplifyAttr(/* skip_g= */ false);
 	simplifyAttr(/* skip_g= */ true);
 	simplifyLockFlags();
+	simplifyLockFlagsSeam();
 	simplifySparse();
 	simplifyErrorAbsolute();
 	simplifySeam();

From 97408c606f7fcff3eff609690591a0d7ad65a7cd Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 2 Oct 2024 13:18:14 -0700
Subject: [PATCH 340/581] tools: Add decompression mode to codectest

When the vertex count is specified, instead of compressing the input we
decompress it; it's also possible to pipe the output through codectest
again to re-compress it.

This makes it easier to experiment with already-compressed data,
including intermediate measurements with other compresors and
prefiltering.
---
 tools/codectest.cpp | 33 ++++++++++++++++++++++++++-------
 1 file changed, 26 insertions(+), 7 deletions(-)

diff --git a/tools/codectest.cpp b/tools/codectest.cpp
index 1f1116ba6c..cebc2b0525 100644
--- a/tools/codectest.cpp
+++ b/tools/codectest.cpp
@@ -17,9 +17,9 @@ int main(int argc, char** argv)
 	_setmode(_fileno(stdout), _O_BINARY);
 #endif
 
-	if (argc != 2 || atoi(argv[1]) <= 0)
+	if (argc < 2 || argc > 3 || atoi(argv[1]) <= 0)
 	{
-		fprintf(stderr, "Usage: %s <stride>\n", argv[0]);
+		fprintf(stderr, "Usage: %s <stride> [<count>]\n", argv[0]);
 		return 1;
 	}
 
@@ -32,10 +32,29 @@ int main(int argc, char** argv)
 	while ((bytes_read = fread(buffer, 1, sizeof(buffer), stdin)) > 0)
 		input.insert(input.end(), buffer, buffer + bytes_read);
 
-	size_t vertex_count = input.size() / stride;
-	std::vector<unsigned char> output(meshopt_encodeVertexBufferBound(vertex_count, stride));
-	size_t output_size = meshopt_encodeVertexBuffer(output.data(), output.size(), input.data(), vertex_count, stride);
+	if (argc == 3)
+	{
+		// if count is specified, we assume input is meshopt-encoded and decode it first
+		size_t count = atoi(argv[2]);
+
+		std::vector<unsigned char> decoded(count * stride);
+		int res = meshopt_decodeVertexBuffer(&decoded[0], count, stride, &input[0], input.size());
+		if (res != 0)
+		{
+			fprintf(stderr, "Error decoding input: %d\n", res);
+			return 2;
+		}
+
+		fwrite(decoded.data(), 1, decoded.size(), stdout);
+		return 0;
+	}
+	else
+	{
+		size_t vertex_count = input.size() / stride;
+		std::vector<unsigned char> output(meshopt_encodeVertexBufferBound(vertex_count, stride));
+		size_t output_size = meshopt_encodeVertexBuffer(output.data(), output.size(), input.data(), vertex_count, stride);
 
-	fwrite(output.data(), 1, output_size, stdout);
-	return 0;
+		fwrite(output.data(), 1, output_size, stdout);
+		return 0;
+	}
 }

From 0af64bd7570cc87ec9a63fcf92ef8df5883bc313 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 3 Oct 2024 09:32:16 -0700
Subject: [PATCH 341/581] tools: Implement round-trip fuzzing for vertex codec

In addition to validating all decoders for memory safety we can also
validate that the vertex encoder in particular round-trips safely. Index
encoder may rotate triangles so it's not a perfect binary match, and
index sequence encoder is rarely used and very simple, but vertex
encoder is more complicated and may become more so with v1.
---
 tools/codecfuzz.cpp | 27 +++++++++++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

diff --git a/tools/codecfuzz.cpp b/tools/codecfuzz.cpp
index e6640f8f8b..961248b5f3 100644
--- a/tools/codecfuzz.cpp
+++ b/tools/codecfuzz.cpp
@@ -2,6 +2,7 @@
 
 #include <stdint.h>
 #include <stdlib.h>
+#include <string.h>
 
 void fuzzDecoder(const uint8_t* data, size_t size, size_t stride, int (*decode)(void*, size_t, size_t, const unsigned char*, size_t))
 {
@@ -16,9 +17,25 @@ void fuzzDecoder(const uint8_t* data, size_t size, size_t stride, int (*decode)(
 	free(destination);
 }
 
-namespace meshopt
+void fuzzRoundtrip(const uint8_t* data, size_t size, size_t stride)
 {
-extern unsigned int cpuid;
+	size_t count = size / stride;
+
+	size_t bound = meshopt_encodeVertexBufferBound(count, stride);
+	void* encoded = malloc(bound);
+	void* decoded = malloc(count * stride);
+	assert(encoded && decoded);
+
+	size_t res = meshopt_encodeVertexBuffer(static_cast<unsigned char*>(encoded), bound, data, count, stride);
+	assert(res <= bound);
+
+	int rc = meshopt_decodeVertexBuffer(decoded, count, stride, static_cast<unsigned char*>(encoded), res);
+	assert(rc == 0);
+
+	assert(memcmp(data, decoded, count * stride) == 0);
+
+	free(decoded);
+	free(encoded);
 }
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
@@ -38,5 +55,11 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
 	fuzzDecoder(data, size, 24, meshopt_decodeVertexBuffer);
 	fuzzDecoder(data, size, 32, meshopt_decodeVertexBuffer);
 
+	// encodeVertexBuffer/decodeVertexBuffer should roundtrip for any stride, check a few with different alignment mod 16
+	fuzzRoundtrip(data, size, 4);
+	fuzzRoundtrip(data, size, 16);
+	fuzzRoundtrip(data, size, 24);
+	fuzzRoundtrip(data, size, 32);
+
 	return 0;
 }

From 5b7b0e94244afd6f554b0b9829e80224ecdb6710 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 3 Oct 2024 10:59:37 -0700
Subject: [PATCH 342/581] vertexcodec: Reintroduce previously removed tracing

This is a partial revert of 4600e89af697878f9497e198550fc4cd1c3f15aa
which removed tracing support from both codecs; to make further progress
on vertex codec v1 we need some amount of tracing back, and while the
tracing we used to have isn't sufficient it's a good start.
---
 src/vertexcodec.cpp | 66 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 17324362c8..3f00972637 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -90,6 +90,14 @@
 #include <wasm_simd128.h>
 #endif
 
+#ifndef TRACE
+#define TRACE 0
+#endif
+
+#if TRACE
+#include <stdio.h>
+#endif
+
 #ifdef SIMD_WASM
 #define wasmx_splat_v32x4(v, i) wasm_i32x4_shuffle(v, v, i, i, i, i)
 #define wasmx_unpacklo_v8x16(a, b) wasm_i8x16_shuffle(a, b, 0, 16, 1, 17, 2, 18, 3, 19, 4, 20, 5, 21, 6, 22, 7, 23)
@@ -135,6 +143,19 @@ inline unsigned char unzigzag8(unsigned char v)
 	return -(v & 1) ^ (v >> 1);
 }
 
+#if TRACE
+struct Stats
+{
+	size_t size;
+	size_t header;
+	size_t bitg[4];
+	size_t bitb[4];
+};
+
+Stats* bytestats;
+Stats vertexstats[256];
+#endif
+
 static bool encodeBytesGroupZero(const unsigned char* buffer)
 {
 	for (size_t i = 0; i < kByteGroupSize; ++i)
@@ -256,8 +277,17 @@ static unsigned char* encodeBytes(unsigned char* data, unsigned char* data_end,
 
 		assert(data + best_size == next);
 		data = next;
+
+#if TRACE > 1
+		bytestats->bitg[bitslog2]++;
+		bytestats->bitb[bitslog2] += best_size;
+#endif
 	}
 
+#if TRACE > 1
+	bytestats->header += header_size;
+#endif
+
 	return data;
 }
 
@@ -286,9 +316,19 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 			vertex_offset += vertex_size;
 		}
 
+#if TRACE
+		const unsigned char* olddata = data;
+		bytestats = &vertexstats[k];
+#endif
+
 		data = encodeBytes(data, data_end, buffer, (vertex_count + kByteGroupSize - 1) & ~(kByteGroupSize - 1));
 		if (!data)
 			return NULL;
+
+#if TRACE
+		bytestats = 0;
+		vertexstats[k].size += data - olddata;
+#endif
 	}
 
 	memcpy(last_vertex, &vertex_data[vertex_size * (vertex_count - 1)], vertex_size);
@@ -1096,6 +1136,10 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 	assert(vertex_size > 0 && vertex_size <= 256);
 	assert(vertex_size % 4 == 0);
 
+#if TRACE
+	memset(vertexstats, 0, sizeof(vertexstats));
+#endif
+
 	const unsigned char* vertex_data = static_cast<const unsigned char*>(vertices);
 
 	unsigned char* data = buffer;
@@ -1148,6 +1192,28 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 	assert(data >= buffer + tail_size);
 	assert(data <= buffer + buffer_size);
 
+#if TRACE
+	size_t total_size = data - buffer;
+
+	for (size_t k = 0; k < vertex_size; ++k)
+	{
+		const Stats& vsk = vertexstats[k];
+
+		printf("%2d: %d bytes\t%.1f%%\t%.1f bpv", int(k), int(vsk.size), double(vsk.size) / double(total_size) * 100, double(vsk.size) / double(vertex_count) * 8);
+
+#if TRACE > 1
+		printf("\t\thdr %d bytes\tbit0 %d (%d bytes)\tbit1 %d (%d bytes)\tbit2 %d (%d bytes)\tbit3 %d (%d bytes)",
+		       int(vsk.header),
+		       int(vsk.bitg[0]), int(vsk.bitb[0]),
+		       int(vsk.bitg[1]), int(vsk.bitb[1]),
+		       int(vsk.bitg[2]), int(vsk.bitb[2]),
+		       int(vsk.bitg[3]), int(vsk.bitb[3]));
+#endif
+
+		printf("\n");
+	}
+#endif
+
 	return data - buffer;
 }
 

From ae7670410092a9bcf535af105ecc7b5567e127f5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 3 Oct 2024 12:12:31 -0700
Subject: [PATCH 343/581] vertexcodec: Clean up and improve trace reporting

For now we just need a single trace level that incorporates both the
macro stats (per byte) and the micro stats (within the individual byte).

Instead of separately collecting occurrences/sizes for bit groups we
just record the size and print all numbers as percentages within the
given group.
---
 src/vertexcodec.cpp | 33 +++++++++++++++------------------
 1 file changed, 15 insertions(+), 18 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 3f00972637..f69f6791c4 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -147,13 +147,12 @@ inline unsigned char unzigzag8(unsigned char v)
 struct Stats
 {
 	size_t size;
-	size_t header;
-	size_t bitg[4];
-	size_t bitb[4];
+	size_t header;  // bytes for header
+	size_t bitg[4]; // bytes for bit groups
 };
 
-Stats* bytestats;
-Stats vertexstats[256];
+static Stats* bytestats = NULL;
+static Stats vertexstats[256];
 #endif
 
 static bool encodeBytesGroupZero(const unsigned char* buffer)
@@ -278,13 +277,12 @@ static unsigned char* encodeBytes(unsigned char* data, unsigned char* data_end,
 		assert(data + best_size == next);
 		data = next;
 
-#if TRACE > 1
-		bytestats->bitg[bitslog2]++;
-		bytestats->bitb[bitslog2] += best_size;
+#if TRACE
+		bytestats->bitg[bitslog2] += best_size;
 #endif
 	}
 
-#if TRACE > 1
+#if TRACE
 	bytestats->header += header_size;
 #endif
 
@@ -326,7 +324,7 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 			return NULL;
 
 #if TRACE
-		bytestats = 0;
+		bytestats = NULL;
 		vertexstats[k].size += data - olddata;
 #endif
 	}
@@ -1201,15 +1199,14 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 
 		printf("%2d: %d bytes\t%.1f%%\t%.1f bpv", int(k), int(vsk.size), double(vsk.size) / double(total_size) * 100, double(vsk.size) / double(vertex_count) * 8);
 
-#if TRACE > 1
-		printf("\t\thdr %d bytes\tbit0 %d (%d bytes)\tbit1 %d (%d bytes)\tbit2 %d (%d bytes)\tbit3 %d (%d bytes)",
-		       int(vsk.header),
-		       int(vsk.bitg[0]), int(vsk.bitb[0]),
-		       int(vsk.bitg[1]), int(vsk.bitb[1]),
-		       int(vsk.bitg[2]), int(vsk.bitb[2]),
-		       int(vsk.bitg[3]), int(vsk.bitb[3]));
-#endif
+		size_t total_k = vsk.header + vsk.bitg[0] + vsk.bitg[1] + vsk.bitg[2] + vsk.bitg[3];
 
+		printf("\t\thdr %5.1f%%; bitg 0 [%4.1f%%] 1 [%4.1f%%] 2 [%4.1f%%] 3 [%4.1f%%]",
+		    double(vsk.header) / double(total_k) * 100,
+		    double(vsk.bitg[0]) / double(total_k) * 100,
+		    double(vsk.bitg[1]) / double(total_k) * 100,
+		    double(vsk.bitg[2]) / double(total_k) * 100,
+		    double(vsk.bitg[3]) / double(total_k) * 100);
 		printf("\n");
 	}
 #endif

From 66a5cf40231658ceb38449a651d48b75dac2c7cd Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 3 Oct 2024 13:07:22 -0700
Subject: [PATCH 344/581] vertexcodec: Add tracing for bit consistency

Within each byte group, we count the number of consistent bits: bits
that, in that byte group, all match the corresponding bit from the last
vertex. Consistent bits amplify compression rates when they are properly
aligned.

Note that this is not exactly the same as having small deltas, eg 0xff
vs 0x00 is still consistent from the delta perspective in most high
bits, but it would be the same if we used xor deltas (which may be an
option worth having).

This is also *not* the same as having bits consistent between
consecutive bytes: in a very random sequence, about half of the bits in
each position usually match from one value to the next, but that's a
very low consistency as it's hard to take advantage of.
---
 src/vertexcodec.cpp | 25 +++++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index f69f6791c4..09c06d0c52 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -149,6 +149,7 @@ struct Stats
 	size_t size;
 	size_t header;  // bytes for header
 	size_t bitg[4]; // bytes for bit groups
+	size_t bitc[8]; // bit consistency: how many bits are shared between all bytes in a group
 };
 
 static Stats* bytestats = NULL;
@@ -317,6 +318,18 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 #if TRACE
 		const unsigned char* olddata = data;
 		bytestats = &vertexstats[k];
+
+		for (size_t ig = 0; ig < vertex_count; ig += kByteGroupSize)
+		{
+			unsigned char last = (ig == 0) ? last_vertex[k] : vertex_data[vertex_size * (ig - 1) + k];
+			unsigned char delta = 0xff;
+
+			for (size_t i = ig; i < ig + kByteGroupSize && i < vertex_count; ++i)
+				delta &= ~(vertex_data[vertex_size * i + k] ^ last);
+
+			for (int j = 0; j < 8; ++j)
+				bytestats->bitc[j] += (vertex_count - ig < kByteGroupSize ? vertex_count - ig : kByteGroupSize) * ((delta >> j) & 1);
+		}
 #endif
 
 		data = encodeBytes(data, data_end, buffer, (vertex_count + kByteGroupSize - 1) & ~(kByteGroupSize - 1));
@@ -1203,10 +1216,14 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 
 		printf("\t\thdr %5.1f%%; bitg 0 [%4.1f%%] 1 [%4.1f%%] 2 [%4.1f%%] 3 [%4.1f%%]",
 		    double(vsk.header) / double(total_k) * 100,
-		    double(vsk.bitg[0]) / double(total_k) * 100,
-		    double(vsk.bitg[1]) / double(total_k) * 100,
-		    double(vsk.bitg[2]) / double(total_k) * 100,
-		    double(vsk.bitg[3]) / double(total_k) * 100);
+		    double(vsk.bitg[0]) / double(total_k) * 100, double(vsk.bitg[1]) / double(total_k) * 100,
+		    double(vsk.bitg[2]) / double(total_k) * 100, double(vsk.bitg[3]) / double(total_k) * 100);
+
+		printf("\tbitc [%4.0f%% %4.0f%% %4.0f%% %4.0f%% %4.0f%% %4.0f%% %4.0f%% %4.0f%%]",
+		    double(vsk.bitc[0]) / double(vertex_count) * 100, double(vsk.bitc[1]) / double(vertex_count) * 100,
+		    double(vsk.bitc[2]) / double(vertex_count) * 100, double(vsk.bitc[3]) / double(vertex_count) * 100,
+		    double(vsk.bitc[4]) / double(vertex_count) * 100, double(vsk.bitc[5]) / double(vertex_count) * 100,
+		    double(vsk.bitc[6]) / double(vertex_count) * 100, double(vsk.bitc[7]) / double(vertex_count) * 100);
 		printf("\n");
 	}
 #endif

From c1057785b2ce9c6871f54fc0771f559a1569cea3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 3 Oct 2024 13:16:04 -0700
Subject: [PATCH 345/581] vertexcodec: Reduce the amount of printed traces

bitg[0] is always 0 because we accumulate only sizes, and we store zero
data bits for bit0... we might need to print count percentages in the
future instead but this is probably ok for now.

Also reduce the space wasted by extra whitespace.
---
 src/vertexcodec.cpp | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 09c06d0c52..05f04158c3 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1214,12 +1214,11 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 
 		size_t total_k = vsk.header + vsk.bitg[0] + vsk.bitg[1] + vsk.bitg[2] + vsk.bitg[3];
 
-		printf("\t\thdr %5.1f%%; bitg 0 [%4.1f%%] 1 [%4.1f%%] 2 [%4.1f%%] 3 [%4.1f%%]",
-		    double(vsk.header) / double(total_k) * 100,
-		    double(vsk.bitg[0]) / double(total_k) * 100, double(vsk.bitg[1]) / double(total_k) * 100,
+		printf(" |\thdr [%5.1f%%] bitg 1-3 [%4.1f%% %4.1f%% %4.1f%%]",
+		    double(vsk.header) / double(total_k) * 100, double(vsk.bitg[1]) / double(total_k) * 100,
 		    double(vsk.bitg[2]) / double(total_k) * 100, double(vsk.bitg[3]) / double(total_k) * 100);
 
-		printf("\tbitc [%4.0f%% %4.0f%% %4.0f%% %4.0f%% %4.0f%% %4.0f%% %4.0f%% %4.0f%%]",
+		printf(" |\tbitc [%3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%%]",
 		    double(vsk.bitc[0]) / double(vertex_count) * 100, double(vsk.bitc[1]) / double(vertex_count) * 100,
 		    double(vsk.bitc[2]) / double(vertex_count) * 100, double(vsk.bitc[3]) / double(vertex_count) * 100,
 		    double(vsk.bitc[4]) / double(vertex_count) * 100, double(vsk.bitc[5]) / double(vertex_count) * 100,

From c6098c1d65b151fa84ba4253d20182732d792423 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 4 Oct 2024 10:07:28 -0700
Subject: [PATCH 346/581] vertexcodec: Fix tabular alignment for longer files

Tabs only give us a limited amount of alignment if some byte streams are
much longer than others; instead, explicitly specify the width for all
numbers.
---
 src/vertexcodec.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 05f04158c3..1dbd2e35f8 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1210,7 +1210,7 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 	{
 		const Stats& vsk = vertexstats[k];
 
-		printf("%2d: %d bytes\t%.1f%%\t%.1f bpv", int(k), int(vsk.size), double(vsk.size) / double(total_size) * 100, double(vsk.size) / double(vertex_count) * 8);
+		printf("%2d: %7d bytes [%4.1f%%] %.1f bpv", int(k), int(vsk.size), double(vsk.size) / double(total_size) * 100, double(vsk.size) / double(vertex_count) * 8);
 
 		size_t total_k = vsk.header + vsk.bitg[0] + vsk.bitg[1] + vsk.bitg[2] + vsk.bitg[3];
 

From 406a4ade60a9ce1d9dc95d62db42eaa821aab31f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 4 Oct 2024 21:08:27 -0700
Subject: [PATCH 347/581] gltfpack: Implement computation of mesh geometry hash

To make it possible to deduplicate meshes, but not have to do a pairwise
compare of the entire mesh contents, we can precompute a 128-bit hash
(using MurMur3, chosen for the simplicity of implementation and good
collision properties); this change does that without the deduplication
code for now.

Calculating the hashes is reasonably fast: it takes ~2% of processing
time for geometry heavy scenes give or take.
---
 gltf/gltfpack.cpp |  2 ++
 gltf/gltfpack.h   |  2 ++
 gltf/mesh.cpp     | 80 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 84 insertions(+)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 631095a34f..0b9eee4eea 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -341,6 +341,8 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	markScenes(data, nodes);
 	markAnimated(data, nodes, animations);
 
+	dedupMeshes(meshes);
+
 	for (size_t i = 0; i < meshes.size(); ++i)
 		detachMesh(meshes[i], data, nodes, settings);
 
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index cd79427743..7e47d9dc66 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -56,6 +56,7 @@ struct Mesh
 
 	std::vector<Stream> streams;
 	std::vector<unsigned int> indices;
+	uint64_t geometry_hash[2];
 
 	size_t targets;
 	std::vector<float> target_weights;
@@ -314,6 +315,7 @@ bool compareMeshTargets(const Mesh& lhs, const Mesh& rhs);
 bool compareMeshVariants(const Mesh& lhs, const Mesh& rhs);
 bool compareMeshNodes(const Mesh& lhs, const Mesh& rhs);
 
+void dedupMeshes(std::vector<Mesh>& meshes);
 void mergeMeshInstances(Mesh& mesh);
 void mergeMeshes(std::vector<Mesh>& meshes, const Settings& settings);
 void filterEmptyMeshes(std::vector<Mesh>& meshes);
diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 222617ad35..8014d4bef6 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -262,6 +262,86 @@ static void mergeMeshes(Mesh& target, const Mesh& mesh)
 		target.indices[index_offset + i] = unsigned(vertex_offset + mesh.indices[i]);
 }
 
+static void hashUpdate(uint64_t hash[2], const void* data, size_t size)
+{
+#define ROTL64(x, r) (((x) << (r)) | ((x) >> (64 - (r))))
+
+	// MurMurHash3 128-bit
+	const uint64_t c1 = 0x87c37b91114253d5ull;
+	const uint64_t c2 = 0x4cf5ad432745937full;
+
+	uint64_t h1 = hash[0], h2 = hash[1];
+
+	size_t offset = 0;
+
+	// body
+	for (; offset + 16 <= size; offset += 16)
+	{
+		uint64_t k1, k2;
+		memcpy(&k1, static_cast<const char*>(data) + offset + 0, 8);
+		memcpy(&k2, static_cast<const char*>(data) + offset + 8, 8);
+
+		k1 *= c1, k1 = ROTL64(k1, 31), k1 *= c2;
+		h1 ^= k1, h1 = ROTL64(h1, 27), h1 += h2;
+		h1 = h1 * 5 + 0x52dce729;
+		k2 *= c2, k2 = ROTL64(k2, 33), k2 *= c1;
+		h2 ^= k2, h2 = ROTL64(h2, 31), h2 += h1;
+		h2 = h2 * 5 + 0x38495ab5;
+	}
+
+	// tail
+	if (offset < size)
+	{
+		uint64_t tail[2] = {};
+		memcpy(tail, static_cast<const char*>(data) + offset, size - offset);
+
+		uint64_t k1 = tail[0], k2 = tail[1];
+
+		k1 *= c1, k1 = ROTL64(k1, 31), k1 *= c2;
+		h1 ^= k1;
+		k2 *= c2, k2 = ROTL64(k2, 33), k2 *= c1;
+		h2 ^= k2;
+	}
+
+	h1 ^= size;
+	h2 ^= size;
+
+	hash[0] = h1;
+	hash[1] = h2;
+
+#undef ROTL64
+}
+
+static void hashMesh(Mesh& mesh)
+{
+	mesh.geometry_hash[0] = mesh.geometry_hash[1] = 41;
+
+	for (size_t i = 0; i < mesh.streams.size(); ++i)
+	{
+		const Stream& stream = mesh.streams[i];
+
+		int meta[3] = {stream.type, stream.index, stream.target};
+		hashUpdate(mesh.geometry_hash, meta, sizeof(meta));
+
+		if (stream.custom_name)
+			hashUpdate(mesh.geometry_hash, stream.custom_name, strlen(stream.custom_name));
+
+		hashUpdate(mesh.geometry_hash, stream.data.data(), stream.data.size() * sizeof(Attr));
+	}
+
+	if (!mesh.indices.empty())
+		hashUpdate(mesh.geometry_hash, mesh.indices.data(), mesh.indices.size() * sizeof(unsigned int));
+
+	int meta[4] = {int(mesh.streams.size()), mesh.streams.empty() ? 0 : int(mesh.streams[0].data.size()), int(mesh.indices.size()), mesh.type};
+	hashUpdate(mesh.geometry_hash, meta, sizeof(meta));
+}
+
+void dedupMeshes(std::vector<Mesh>& meshes)
+{
+	for (size_t i = 0; i < meshes.size(); ++i)
+		hashMesh(meshes[i]);
+}
+
 void mergeMeshInstances(Mesh& mesh)
 {
 	if (mesh.nodes.empty())

From 31941ea5467669546cac26f6417d16c0ed4f7b4c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 4 Oct 2024 21:14:46 -0700
Subject: [PATCH 348/581] gltfpack: Implement mesh deduplication using geometry
 hash

Now that we have computed the geometry hash, we simply need to compare a
few other fields to make sure we can merge nodes/instances between two
meshes. This processing is only done on meshes that have not been
detached from their nodes; while we could dutifully compare morph target
and material variant information, it's easier not to.

Since we do not expose mesh identity via any command line options, it
should be safe to do this processing unconditionally. It may increase
draw call count by disabling node detaching and subsequent merging, but
that can be reactivated using `-mm` flag.
---
 gltf/mesh.cpp | 52 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 8014d4bef6..9f173c17ea 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -336,10 +336,62 @@ static void hashMesh(Mesh& mesh)
 	hashUpdate(mesh.geometry_hash, meta, sizeof(meta));
 }
 
+static bool canDedupMesh(const Mesh& mesh)
+{
+	// empty mesh
+	if (mesh.streams.empty())
+		return false;
+
+	// world-space mesh
+	if (mesh.nodes.empty() && mesh.instances.empty())
+		return false;
+
+	// to simplify dedup we ignore complex target setups for now
+	if (!mesh.target_weights.empty() || !mesh.target_names.empty() || !mesh.variants.empty())
+		return false;
+
+	return true;
+}
+
 void dedupMeshes(std::vector<Mesh>& meshes)
 {
 	for (size_t i = 0; i < meshes.size(); ++i)
 		hashMesh(meshes[i]);
+
+	for (size_t i = 0; i < meshes.size(); ++i)
+	{
+		Mesh& target = meshes[i];
+
+		if (!canDedupMesh(target))
+			continue;
+
+		for (size_t j = i + 1; j < meshes.size(); ++j)
+		{
+			Mesh& mesh = meshes[j];
+
+			if (mesh.geometry_hash[0] != target.geometry_hash[0] || mesh.geometry_hash[1] != target.geometry_hash[1])
+				continue;
+
+			if (!canDedupMesh(mesh))
+				continue;
+
+			if (mesh.scene != target.scene || mesh.material != target.material || mesh.skin != target.skin)
+				continue;
+
+			// basic sanity test; these should be included in geometry hash
+			assert(mesh.streams.size() == target.streams.size());
+			assert(mesh.streams[0].data.size() == target.streams[0].data.size());
+			assert(mesh.indices.size() == target.indices.size());
+
+			target.nodes.insert(target.nodes.end(), mesh.nodes.begin(), mesh.nodes.end());
+			target.instances.insert(target.instances.end(), mesh.instances.begin(), mesh.instances.end());
+
+			mesh.streams.clear();
+			mesh.indices.clear();
+			mesh.nodes.clear();
+			mesh.instances.clear();
+		}
+	}
 }
 
 void mergeMeshInstances(Mesh& mesh)

From 9f232574738d6d31ab58f2f9af6bcb00f419d299 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 5 Oct 2024 08:05:20 -0700
Subject: [PATCH 349/581] gltfpack: Merge mesh materials before deduplication

Since deduplication relies on material equality, files with duplicate
materials and duplicate meshes can be merged more effectively if
materials got deduplicated first.

There are no other order dependencies for mergeMeshMaterials - it does
not rely on texture merging for example, which is independent - so this
should be safe.
---
 gltf/gltfpack.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 0b9eee4eea..7753fa5eeb 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -341,6 +341,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	markScenes(data, nodes);
 	markAnimated(data, nodes, animations);
 
+	mergeMeshMaterials(data, meshes, settings);
 	dedupMeshes(meshes);
 
 	for (size_t i = 0; i < meshes.size(); ++i)
@@ -377,7 +378,6 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 			filterStreams(mesh, mi);
 	}
 
-	mergeMeshMaterials(data, meshes, settings);
 	mergeMeshes(meshes, settings);
 	filterEmptyMeshes(meshes);
 

From 63cae789bf2b369529ea2c970156e4c455db4c6f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 5 Oct 2024 09:54:29 -0700
Subject: [PATCH 350/581] gltfpack: Refactor mesh geometry serialization

writeMeshIndices should take indices separately from the mesh as it's a
low level function; the rest of the code has been moved to
writeMeshGeometry, which simplifies the outer flow and prepares it for
more changes.
---
 gltf/gltfpack.cpp | 28 +---------------------------
 gltf/gltfpack.h   |  3 ++-
 gltf/write.cpp    | 40 ++++++++++++++++++++++++++++++++++++----
 3 files changed, 39 insertions(+), 32 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 7753fa5eeb..949597886d 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -580,34 +580,8 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 			const QuantizationTexture& qt = qt_meshes[pi] == size_t(-1) ? qt_dummy : qt_materials[qt_meshes[pi]];
 
 			comma(json_meshes);
-			append(json_meshes, "{\"attributes\":{");
-			writeMeshAttributes(json_meshes, views, json_accessors, accr_offset, prim, 0, qp, qt, settings);
-			append(json_meshes, "}");
-			if (prim.type != cgltf_primitive_type_triangles)
-			{
-				append(json_meshes, ",\"mode\":");
-				append(json_meshes, size_t(prim.type - cgltf_primitive_type_points));
-			}
-			if (mesh.targets)
-			{
-				append(json_meshes, ",\"targets\":[");
-				for (size_t j = 0; j < mesh.targets; ++j)
-				{
-					comma(json_meshes);
-					append(json_meshes, "{");
-					writeMeshAttributes(json_meshes, views, json_accessors, accr_offset, prim, int(1 + j), qp, qt, settings);
-					append(json_meshes, "}");
-				}
-				append(json_meshes, "]");
-			}
 
-			if (!prim.indices.empty())
-			{
-				size_t index_accr = writeMeshIndices(views, json_accessors, accr_offset, prim, settings);
-
-				append(json_meshes, ",\"indices\":");
-				append(json_meshes, index_accr);
-			}
+			writeMeshGeometry(json_meshes, views, json_accessors, accr_offset, prim, qp, qt, settings);
 
 			if (prim.material)
 			{
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 7e47d9dc66..f86ade8f73 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -378,7 +378,8 @@ void writeSampler(std::string& json, const cgltf_sampler& sampler);
 void writeImage(std::string& json, std::vector<BufferView>& views, const cgltf_image& image, const ImageInfo& info, const std::string* encoded, size_t index, const char* input_path, const char* output_path, const Settings& settings);
 void writeTexture(std::string& json, const cgltf_texture& texture, const ImageInfo* info, cgltf_data* data, const Settings& settings);
 void writeMeshAttributes(std::string& json, std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const Mesh& mesh, int target, const QuantizationPosition& qp, const QuantizationTexture& qt, const Settings& settings);
-size_t writeMeshIndices(std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const Mesh& mesh, const Settings& settings);
+size_t writeMeshIndices(std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const std::vector<unsigned int>& indices, cgltf_primitive_type type, const Settings& settings);
+void writeMeshGeometry(std::string& json, std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const Mesh& mesh, const QuantizationPosition& qp, const QuantizationTexture& qt, const Settings& settings);
 size_t writeJointBindMatrices(std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const cgltf_skin& skin, const QuantizationPosition& qp, const Settings& settings);
 size_t writeInstances(std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const std::vector<Transform>& transforms, const QuantizationPosition& qp, const Settings& settings);
 void writeMeshNode(std::string& json, size_t mesh_offset, cgltf_node* node, cgltf_skin* skin, cgltf_data* data, const QuantizationPosition* qp);
diff --git a/gltf/write.cpp b/gltf/write.cpp
index 429d0c4466..d4d630e2c5 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -1046,24 +1046,56 @@ void writeMeshAttributes(std::string& json, std::vector<BufferView>& views, std:
 	}
 }
 
-size_t writeMeshIndices(std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const Mesh& mesh, const Settings& settings)
+size_t writeMeshIndices(std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const std::vector<unsigned int>& indices, cgltf_primitive_type type, const Settings& settings)
 {
 	std::string scratch;
-	StreamFormat format = writeIndexStream(scratch, mesh.indices);
-	BufferView::Compression compression = settings.compress ? (mesh.type == cgltf_primitive_type_triangles ? BufferView::Compression_Index : BufferView::Compression_IndexSequence) : BufferView::Compression_None;
+	StreamFormat format = writeIndexStream(scratch, indices);
+	BufferView::Compression compression = settings.compress ? (type == cgltf_primitive_type_triangles ? BufferView::Compression_Index : BufferView::Compression_IndexSequence) : BufferView::Compression_None;
 
 	size_t view = getBufferView(views, BufferView::Kind_Index, StreamFormat::Filter_None, compression, format.stride);
 	size_t offset = views[view].data.size();
 	views[view].data += scratch;
 
 	comma(json_accessors);
-	writeAccessor(json_accessors, view, offset, format.type, format.component_type, format.normalized, mesh.indices.size());
+	writeAccessor(json_accessors, view, offset, format.type, format.component_type, format.normalized, indices.size());
 
 	size_t index_accr = accr_offset++;
 
 	return index_accr;
 }
 
+void writeMeshGeometry(std::string& json, std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const Mesh& mesh, const QuantizationPosition& qp, const QuantizationTexture& qt, const Settings& settings)
+{
+	append(json, "{\"attributes\":{");
+	writeMeshAttributes(json, views, json_accessors, accr_offset, mesh, 0, qp, qt, settings);
+	append(json, "}");
+	if (mesh.type != cgltf_primitive_type_triangles)
+	{
+		append(json, ",\"mode\":");
+		append(json, size_t(mesh.type - cgltf_primitive_type_points));
+	}
+	if (mesh.targets)
+	{
+		append(json, ",\"targets\":[");
+		for (size_t j = 0; j < mesh.targets; ++j)
+		{
+			comma(json);
+			append(json, "{");
+			writeMeshAttributes(json, views, json_accessors, accr_offset, mesh, int(1 + j), qp, qt, settings);
+			append(json, "}");
+		}
+		append(json, "]");
+	}
+
+	if (!mesh.indices.empty())
+	{
+		size_t index_accr = writeMeshIndices(views, json_accessors, accr_offset, mesh.indices, mesh.type, settings);
+
+		append(json, ",\"indices\":");
+		append(json, index_accr);
+	}
+}
+
 static size_t writeAnimationTime(std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, float mint, int frames, float period, const Settings& settings)
 {
 	std::vector<float> time(frames);

From 188a66e41c8110788d0f1344c1dbdfb08ee12ae5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 5 Oct 2024 09:56:41 -0700
Subject: [PATCH 351/581] gltfpack: Deduplicate primitive accessors/data during
 writing

When meshes have different materials, we can not deduplicate them early
in the processing flow. Depending on the material structure, we might
end up with a different final vertex stream / index buffer, but since
the processing is deterministic often they will end up being the same.

We can thus reuse the geometry hash to cache primitive accessors and
data: if we have seen the exact same geometry before, we can reuse the
entire JSON blob (that contains accessor indices that point to buffer
views) instead of emitting new ones.

Technically, it's also possible to reuse individual streams, which is
more general, however this is more complicated to implement because
accessors with the same data may have a different setup, and is less
often useful.

For now this means that we recompute the mesh hashes redundantly again.
---
 gltf/gltfpack.cpp | 19 ++++++++++++++++++-
 gltf/gltfpack.h   |  1 +
 gltf/mesh.cpp     |  2 +-
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 949597886d..7cda14f8a7 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -2,6 +2,7 @@
 #include "gltfpack.h"
 
 #include <algorithm>
+#include <map>
 
 #include <locale.h>
 #include <stdint.h>
@@ -416,6 +417,9 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	meshes.insert(meshes.end(), debug_meshes.begin(), debug_meshes.end());
 #endif
 
+	for (size_t i = 0; i < meshes.size(); ++i)
+		hashMesh(meshes[i]);
+
 	filterEmptyMeshes(meshes); // some meshes may become empty after processing
 
 	QuantizationPosition qp = prepareQuantizationPosition(meshes, settings);
@@ -553,6 +557,8 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		ext_texture_transform = ext_texture_transform || mi.uses_texture_transform;
 	}
 
+	std::map<std::pair<uint64_t, uint64_t>, std::pair<size_t, size_t> > primitive_cache;
+
 	for (size_t i = 0; i < meshes.size(); ++i)
 	{
 		const Mesh& mesh = meshes[i];
@@ -579,9 +585,20 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 
 			const QuantizationTexture& qt = qt_meshes[pi] == size_t(-1) ? qt_dummy : qt_materials[qt_meshes[pi]];
 
+			std::pair<size_t, size_t>& primitive_json = primitive_cache[std::make_pair(prim.geometry_hash[0], prim.geometry_hash[1])];
+
 			comma(json_meshes);
 
-			writeMeshGeometry(json_meshes, views, json_accessors, accr_offset, prim, qp, qt, settings);
+			if (primitive_json.second > 0)
+			{
+				json_meshes.append(json_meshes, primitive_json.first, primitive_json.second);
+			}
+			else
+			{
+				primitive_json.first = json_meshes.size();
+				writeMeshGeometry(json_meshes, views, json_accessors, accr_offset, prim, qp, qt, settings);
+				primitive_json.second = json_meshes.size() - primitive_json.first;
+			}
 
 			if (prim.material)
 			{
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index f86ade8f73..dc92f34c8d 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -315,6 +315,7 @@ bool compareMeshTargets(const Mesh& lhs, const Mesh& rhs);
 bool compareMeshVariants(const Mesh& lhs, const Mesh& rhs);
 bool compareMeshNodes(const Mesh& lhs, const Mesh& rhs);
 
+void hashMesh(Mesh& mesh);
 void dedupMeshes(std::vector<Mesh>& meshes);
 void mergeMeshInstances(Mesh& mesh);
 void mergeMeshes(std::vector<Mesh>& meshes, const Settings& settings);
diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 9f173c17ea..7949fcbdb6 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -312,7 +312,7 @@ static void hashUpdate(uint64_t hash[2], const void* data, size_t size)
 #undef ROTL64
 }
 
-static void hashMesh(Mesh& mesh)
+void hashMesh(Mesh& mesh)
 {
 	mesh.geometry_hash[0] = mesh.geometry_hash[1] = 41;
 

From 61950f74dd5dc517a95cce67a0fe9f9be0436ac7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 5 Oct 2024 10:12:27 -0700
Subject: [PATCH 352/581] gltfpack: Record the fact that mesh geometry might be
 duplicate

Instead of computing a hash after mesh processing for every mesh, we now
only do this when the mesh has been tagged as possibly-duplicate. This
reduces the cost of hash update to cases when we are likely to benefit
from them, and makes it easier to disable deduplication entirely for
testing.

While it is possible that two meshes did not have duplicate geometry
before processing and are processed to have it (eg two identical meshes
with a redundant vertex stream on one but not the other that gets
removed), this is fairly unlikely in practice.
---
 gltf/gltfpack.cpp | 30 +++++++++++++++++++++---------
 gltf/gltfpack.h   |  2 ++
 gltf/mesh.cpp     |  5 +++++
 3 files changed, 28 insertions(+), 9 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 7cda14f8a7..2e4584a9d8 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -411,14 +411,18 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 #endif
 
 	for (size_t i = 0; i < meshes.size(); ++i)
-		processMesh(meshes[i], settings);
+	{
+		Mesh& mesh = meshes[i];
+		processMesh(mesh, settings);
+
+		if (mesh.geometry_duplicate)
+			hashMesh(mesh);
+	}
 
 #ifndef NDEBUG
 	meshes.insert(meshes.end(), debug_meshes.begin(), debug_meshes.end());
 #endif
 
-	for (size_t i = 0; i < meshes.size(); ++i)
-		hashMesh(meshes[i]);
 
 	filterEmptyMeshes(meshes); // some meshes may become empty after processing
 
@@ -585,19 +589,27 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 
 			const QuantizationTexture& qt = qt_meshes[pi] == size_t(-1) ? qt_dummy : qt_materials[qt_meshes[pi]];
 
-			std::pair<size_t, size_t>& primitive_json = primitive_cache[std::make_pair(prim.geometry_hash[0], prim.geometry_hash[1])];
-
 			comma(json_meshes);
 
-			if (primitive_json.second > 0)
+			if (prim.geometry_duplicate)
 			{
-				json_meshes.append(json_meshes, primitive_json.first, primitive_json.second);
+				std::pair<size_t, size_t>& primitive_json = primitive_cache[std::make_pair(prim.geometry_hash[0], prim.geometry_hash[1])];
+
+				if (primitive_json.second)
+				{
+					// reuse previously written accessors
+					json_meshes.append(json_meshes, primitive_json.first, primitive_json.second);
+				}
+				else
+				{
+					primitive_json.first = json_meshes.size();
+					writeMeshGeometry(json_meshes, views, json_accessors, accr_offset, prim, qp, qt, settings);
+					primitive_json.second = json_meshes.size() - primitive_json.first;
+				}
 			}
 			else
 			{
-				primitive_json.first = json_meshes.size();
 				writeMeshGeometry(json_meshes, views, json_accessors, accr_offset, prim, qp, qt, settings);
-				primitive_json.second = json_meshes.size() - primitive_json.first;
 			}
 
 			if (prim.material)
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index dc92f34c8d..061b6af1d3 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -56,6 +56,8 @@ struct Mesh
 
 	std::vector<Stream> streams;
 	std::vector<unsigned int> indices;
+
+	bool geometry_duplicate;
 	uint64_t geometry_hash[2];
 
 	size_t targets;
diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 7949fcbdb6..0de6ec6f89 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -376,7 +376,12 @@ void dedupMeshes(std::vector<Mesh>& meshes)
 				continue;
 
 			if (mesh.scene != target.scene || mesh.material != target.material || mesh.skin != target.skin)
+			{
+				// mark both meshes as having duplicate geometry; we don't use this in dedupMeshes but it's useful later in the pipeline
+				target.geometry_duplicate = true;
+				mesh.geometry_duplicate = true;
 				continue;
+			}
 
 			// basic sanity test; these should be included in geometry hash
 			assert(mesh.streams.size() == target.streams.size());

From 4cc9fb5a7022808b3ff6ec6a05a668024f9abf14 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 5 Oct 2024 10:30:04 -0700
Subject: [PATCH 353/581] gltfpack: Avoid detaching meshes with duplicate
 geometry

When a mesh has duplicate geometry, detaching it from its node will
break the data sharing because of the world-space transform. When -mm is
specified, this is fair game: it's a request to trade off draw call
count for data size, but by default it would be more consistent to leave
these as is.

This can increase the number of used nodes and mesh objects, but not
beyond what we already use with `-kn`, and the extra cost generally is
paid off by the savings in deduplicated data.
---
 gltf/gltfpack.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 2e4584a9d8..43d0c75464 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -296,6 +296,10 @@ static void detachMesh(Mesh& mesh, cgltf_data* data, const std::vector<NodeInfo>
 	if (mesh.nodes.size() > 1 && !settings.mesh_merge && !settings.mesh_instancing)
 		return;
 
+	// mesh has duplicate geometry; detaching it would increase the size due to unique world-space transforms
+	if (mesh.nodes.size() == 1 && mesh.geometry_duplicate && !settings.mesh_merge)
+		return;
+
 	// prefer instancing if possible, use merging otherwise
 	if (mesh.nodes.size() > 1 && settings.mesh_instancing)
 	{

From 82e033283a9d24f69827eec47f2a6edd1f246ddc Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 5 Oct 2024 10:38:05 -0700
Subject: [PATCH 354/581] gltfpack: Add temporary command line option to
 disable mesh deduplication

In theory, deduplication should not result in any issues as any changes
only concern the internal file structure, and it should be beneficial in
most cases (and when it's penalizing draw call counts, existing options
provide enough control), but just in case we now can disable this
feature entirely using -mdd.

The goal is to remove this option in the future, it's just here in case
anyone reports issues in the wild.

Not running dedupMeshes means no mesh has geometry_duplicate flag set,
so no dedup related code activates.
---
 gltf/gltfpack.cpp | 10 ++++++++--
 gltf/gltfpack.h   |  1 +
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 43d0c75464..202fd77213 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -347,7 +347,8 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	markAnimated(data, nodes, animations);
 
 	mergeMeshMaterials(data, meshes, settings);
-	dedupMeshes(meshes);
+	if (settings.mesh_dedup)
+		dedupMeshes(meshes);
 
 	for (size_t i = 0; i < meshes.size(); ++i)
 		detachMesh(meshes[i], data, nodes, settings);
@@ -427,7 +428,6 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	meshes.insert(meshes.end(), debug_meshes.begin(), debug_meshes.end());
 #endif
 
-
 	filterEmptyMeshes(meshes); // some meshes may become empty after processing
 
 	QuantizationPosition qp = prepareQuantizationPosition(meshes, settings);
@@ -1186,6 +1186,7 @@ Settings defaults()
 	settings.rot_bits = 12;
 	settings.scl_bits = 16;
 	settings.anim_freq = 30;
+	settings.mesh_dedup = true;
 	settings.simplify_ratio = 1.f;
 	settings.simplify_error = 1e-2f;
 	settings.texture_scale = 1.f;
@@ -1323,6 +1324,11 @@ int main(int argc, char** argv)
 		{
 			settings.keep_attributes = true;
 		}
+		else if (strcmp(arg, "-mdd") == 0)
+		{
+			fprintf(stderr, "Warning: option -mdd disables mesh deduplication and is only provided as a safety measure; it will be removed in the future\n");
+			settings.mesh_dedup = false;
+		}
 		else if (strcmp(arg, "-mm") == 0)
 		{
 			settings.mesh_merge = true;
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 061b6af1d3..5c1560a92c 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -134,6 +134,7 @@ struct Settings
 	bool keep_extras;
 	bool keep_attributes;
 
+	bool mesh_dedup;
 	bool mesh_merge;
 	bool mesh_instancing;
 

From d1633d0afaa2a3f7934020e684c3aaf0f638b763 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 7 Oct 2024 08:35:02 -0700
Subject: [PATCH 355/581] gltfpack: Reduce size overhead of Basis encoders

Encoders rely on some parts of transcoder source (eg BC7 and UASTC) but
that also includes various formats that add a lot of unnecessary
overhead as we are never going to try to decode into them.

Disabling all of these seems to be safe and saves ~600 KB binary size.
---
 gltf/basislib.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/gltf/basislib.cpp b/gltf/basislib.cpp
index 80a76ae4be..42bfb0e332 100644
--- a/gltf/basislib.cpp
+++ b/gltf/basislib.cpp
@@ -40,6 +40,18 @@
 #define BASISU_SUPPORT_SSE 1
 #endif
 
+// disable as many transcoder formats as possible to save code size
+#define BASISD_SUPPORT_ASTC 0
+#define BASISD_SUPPORT_ATC 0
+#define BASISD_SUPPORT_BC7_MODE5 0
+#define BASISD_SUPPORT_DXT1 0
+#define BASISD_SUPPORT_DXT5A 0
+#define BASISD_SUPPORT_ETC2_EAC_A8 0
+#define BASISD_SUPPORT_ETC2_EAC_RG11 0
+#define BASISD_SUPPORT_FXT1 0
+#define BASISD_SUPPORT_PVRTC1 0
+#define BASISD_SUPPORT_PVRTC2 0
+
 #ifdef _WIN32
 #define WIN32_LEAN_AND_MEAN
 #define NOMINMAX

From b2f957b95b86f1f015b829818a9b8f3124d269a0 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 7 Oct 2024 12:38:26 -0700
Subject: [PATCH 356/581] demo: Disable animation by default

When using auto-LOD mode it can be distracting; we now disable the
animation playback by default, but make it easy to unpause/pause it with
a checkbox.
---
 demo/simplify.html | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index 609fa1ce5f..0e8ebfb90a 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -63,6 +63,7 @@
 
 			var settings = {
 				wireframe: false,
+				animate: false,
 				pointSize: 1.0,
 				ratio: 1.0,
 				debugOverlay: false,
@@ -108,6 +109,7 @@
 			var gui = new GUI({ width: 300 });
 			var guiDisplay = gui.addFolder('Display');
 			guiDisplay.add(settings, 'wireframe').onChange(update);
+			guiDisplay.add(settings, 'animate').onChange(update);
 			guiDisplay.add(settings, 'pointSize', 1, 16).onChange(update);
 			guiDisplay.add(settings, 'debugOverlay').onChange(simplify); // requires debug data rebuild
 
@@ -541,7 +543,7 @@
 			}
 
 			function animate() {
-				if (mixer) {
+				if (mixer && settings.animate) {
 					mixer.update(clock.getDelta());
 				}
 

From 81d49de4dc5f2db2ef33230350b6406d4a07ad38 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 7 Oct 2024 12:57:59 -0700
Subject: [PATCH 357/581] demo: Improve boundsError to take camera parameters
 into account

While boundsError is an approximation and the precise version would
compute the projected sphere bounds taking into account perspective
distortion and near plane clipping, our simpler variant can work as well
and is invariant to camera rotation which is a nice property in certain
cases; for example in VR you might want to compute LOD based on a
"third" eye, a center camera, so that the geometry is in sync between
two eyes.

Our boundsError implementation was mostly serviceable but did not depend
on camera field of view and had some potential issues with monotonicity
for cases where the camera position was inside the sphere.

We now clip the distance to znear and properly scale it so that the
result is a normalized screen space error (0..1, multiply by screen
height to get pixels). This ensures that if the bounds.error is 0,
boundsError will return 0 even if the camera is inside, which should
ensure proper cluster selection for extreme closeups.
---
 demo/nanite.cpp | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 868bc1c2a1..4c3fedad1e 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -107,11 +107,15 @@ static LODBounds boundsMerge(const std::vector<Cluster>& clusters, const std::ve
 	return result;
 }
 
-static float boundsError(const LODBounds& bounds, float x, float y, float z)
+// computes approximate (perspective) projection error of a cluster in screen space (0..1; multiply by screen height to get pixels)
+// camera_proj is projection[1][1], or cot(fovy/2); camera_znear is *positive* near plane distance
+// for DAG cut to be valid, boundsError must be monotonic: it must return a larger error for parent cluster
+// for simplicity, we ignore perspective distortion and use rotationally invariant projection size estimation
+static float boundsError(const LODBounds& bounds, float camera_x, float camera_y, float camera_z, float camera_proj, float camera_znear)
 {
-	float dx = bounds.center[0] - x, dy = bounds.center[1] - y, dz = bounds.center[2] - z;
+	float dx = bounds.center[0] - camera_x, dy = bounds.center[1] - camera_y, dz = bounds.center[2] - camera_z;
 	float d = sqrtf(dx * dx + dy * dy + dz * dz) - bounds.radius;
-	return d <= 0 ? FLT_MAX : bounds.error / d;
+	return bounds.error / (d > camera_znear ? d : camera_znear) * (camera_proj * 0.5f);
 }
 
 #ifdef METIS
@@ -607,20 +611,24 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		maxy = std::max(maxy, vertices[i].py * 2);
 		maxz = std::max(maxz, vertices[i].pz * 2);
 	}
-	float threshold = 3e-3f;
+
+	float threshold = 2e-3f; // 2 pixels at 1080p
+	float fovy = 60.f;
+	float znear = 1e-2f;
+	float proj = 1.f / tanf(fovy * 3.1415926f / 180.f * 0.5f);
 
 	std::vector<unsigned int> cut;
 	for (size_t i = 0; i < clusters.size(); ++i)
-		if (boundsError(clusters[i].self, maxx, maxy, maxz) <= threshold && boundsError(clusters[i].parent, maxx, maxy, maxz) > threshold)
+		if (boundsError(clusters[i].self, maxx, maxy, maxz, proj, znear) <= threshold && boundsError(clusters[i].parent, maxx, maxy, maxz, proj, znear) > threshold)
 			cut.insert(cut.end(), clusters[i].indices.begin(), clusters[i].indices.end());
 
 #ifndef NDEBUG
 	for (size_t i = 0; i < dag_debug.size(); ++i)
 	{
 		int j = dag_debug[i].first, k = dag_debug[i].second;
-		float ej = boundsError(clusters[j].self, maxx, maxy, maxz);
-		float ejp = boundsError(clusters[j].parent, maxx, maxy, maxz);
-		float ek = boundsError(clusters[k].self, maxx, maxy, maxz);
+		float ej = boundsError(clusters[j].self, maxx, maxy, maxz, proj, znear);
+		float ejp = boundsError(clusters[j].parent, maxx, maxy, maxz, proj, znear);
+		float ek = boundsError(clusters[k].self, maxx, maxy, maxz, proj, znear);
 
 		assert(ej <= ek);
 		assert(ejp >= ej);
@@ -634,7 +642,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		dumpObj(vertices, cut);
 
 		for (size_t i = 0; i < clusters.size(); ++i)
-			if (boundsError(clusters[i].self, maxx, maxy, maxz) <= threshold && boundsError(clusters[i].parent, maxx, maxy, maxz) > threshold)
+			if (boundsError(clusters[i].self, maxx, maxy, maxz, proj, znear) <= threshold && boundsError(clusters[i].parent, maxx, maxy, maxz, proj, znear) > threshold)
 				dumpObj("cluster", clusters[i].indices);
 	}
 }

From 2a9794526dbf699fe6f65e8fea876fdb18d4d8d7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 7 Oct 2024 14:17:48 -0700
Subject: [PATCH 358/581] demo: Fix .obj normal indices serialization

We previously output the normal values but not normal indices; when
imported, editors tend to ignore the normal data as a result.
---
 demo/main.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index b10389ce8a..8ca84f4782 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -197,7 +197,7 @@ void dumpObj(const std::vector<Vertex>& vertices, const std::vector<unsigned int
 	{
 		unsigned int a = indices[i], b = indices[i + 1], c = indices[i + 2];
 
-		fprintf(stderr, "f %d %d %d\n", a + 1, b + 1, c + 1);
+		fprintf(stderr, "f %d//%d %d//%d %d//%d\n", a + 1, a + 1, b + 1, b + 1, c + 1, c + 1);
 	}
 }
 
@@ -209,7 +209,7 @@ void dumpObj(const char* section, const std::vector<unsigned int>& indices)
 	{
 		unsigned int a = indices[j], b = indices[j + 1], c = indices[j + 2];
 
-		fprintf(stderr, "f %d %d %d\n", a + 1, b + 1, c + 1);
+		fprintf(stderr, "f %d//%d %d//%d %d//%d\n", a + 1, a + 1, b + 1, b + 1, c + 1, c + 1);
 	}
 }
 

From c664ea295861242f018d3b72ed150acc2cf848c8 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 7 Oct 2024 14:18:33 -0700
Subject: [PATCH 359/581] demo: Add basic normal integration for simplification

For now we use a fairly low weight (0.5); 1.0 is generally more
appropriate for full mesh simplification at least but we'll start
conservative for now.
---
 demo/nanite.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 4c3fedad1e..4295226d43 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -53,6 +53,7 @@ struct Cluster
 const size_t kClusterSize = 128;
 const size_t kGroupSize = 8;
 const bool kUseLocks = true;
+const bool kUseNormals = true;
 
 static LODBounds bounds(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, float error)
 {
@@ -430,7 +431,10 @@ static std::vector<unsigned int> simplify(const std::vector<Vertex>& vertices, c
 
 	std::vector<unsigned int> lod(indices.size());
 	unsigned int options = meshopt_SimplifySparse | meshopt_SimplifyErrorAbsolute;
-	if (locks)
+	float normal_weights[3] = {0.5f, 0.5f, 0.5f};
+	if (kUseNormals)
+		lod.resize(meshopt_simplifyWithAttributes(&lod[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(Vertex), &vertices[0].nx, sizeof(Vertex), normal_weights, 3, locks ? &(*locks)[0] : NULL, target_count, FLT_MAX, options, error));
+	else if (locks)
 		lod.resize(meshopt_simplifyWithAttributes(&lod[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(Vertex), NULL, 0, NULL, 0, &(*locks)[0], target_count, FLT_MAX, options, error));
 	else
 		lod.resize(meshopt_simplify(&lod[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(Vertex), target_count, FLT_MAX, options | meshopt_SimplifyLockBorder, error));

From bae19420d7bdddd2a165f661f78a0b06682741e3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 7 Oct 2024 15:51:44 -0700
Subject: [PATCH 360/581] Update README.md

Fix code example for `reorderMesh` that was missing handling of 0xffff_ffff, which indicates the source index is not used by the index buffer so the vertex does not need to be preserved.
---
 js/README.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/js/README.md b/js/README.md
index 43bad76e8a..f115fc12c6 100644
--- a/js/README.md
+++ b/js/README.md
@@ -69,12 +69,13 @@ reorderMesh: (indices: Uint32Array, triangles: boolean, optsize: boolean) => [Ui
 
 The function optimizes the input array for locality of reference (make sure to pass `triangles=true` for triangle lists, and `false` otherwise). `optsize` can choose whether the order should be optimal for transmission size (recommended for Web) or for GPU rendering performance. The function changes the `indices` array in place and returns an additional remap array and the total number of unique vertices.
 
-After this function returns, to maintain correct rendering the application should reorder all vertex streams - including morph targets if applicable - according to the remap array. For each original index, remap array contains the new location for that index, so the remapping pseudocode looks like this:
+After this function returns, to maintain correct rendering the application should reorder all vertex streams - including morph targets if applicable - according to the remap array. For each original index, remap array contains the new location for that index (or `0xffffffff` if the value is unused), so the remapping pseudocode looks like this:
 
 ```ts
 let newvertices = new VertexArray(unique); // unique is returned by reorderMesh
 for (let i = 0; i < oldvertices.length; ++i)
-	newvertices[remap[i]] = oldvertices[i];
+    if (remap[i] != 0xffffffff)
+        newvertices[remap[i]] = oldvertices[i];
 ```
 
 When the input is a point cloud and not a triangle mesh, it is recommended to reorder the points using a specialized function that performs spatial sorting that can result in significant improvements in compression ratio by the subsequent processing:

From 1c970b2646b69f051b99067a788e3c9bb635ec18 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 8 Oct 2024 18:27:20 -0700
Subject: [PATCH 361/581] simplify: Use error returned by vertex quadrics to
 guide pruning

When attributes are incorporated into the metric, depending on the
attribute weights we may see divergence between the error as returned by
vertex quadrics alone and the result. Especially when the simplification
does not have a set limit, this may lead to unexpectedly aggressive
component pruning.

While ideally pruning should only be used with a reasonable error limit
that negates these concerns, for now it is probably better to accomodate
this use case by tracking the positional error separately.

To reduce the cost of tracking this error we recompute it as collapses
are performed; this may seem counter-intuitive since we've already
computed it during ranking, but conserving memory is more important
here, and since we only need to do it when using attributes and only for
collapses we end up taking, the performance cost ends up being
negligible.
---
 src/simplifier.cpp | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 1fcf2f56b8..c49d9901ad 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1117,7 +1117,7 @@ static void sortEdgeCollapses(unsigned int* sort_order, const Collapse* collapse
 	}
 }
 
-static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char* collapse_locked, Quadric* vertex_quadrics, Quadric* attribute_quadrics, QuadricGrad* attribute_gradients, size_t attribute_count, const Collapse* collapses, size_t collapse_count, const unsigned int* collapse_order, const unsigned int* remap, const unsigned int* wedge, const unsigned char* vertex_kind, const unsigned int* loop, const unsigned int* loopback, const Vector3* vertex_positions, const EdgeAdjacency& adjacency, size_t triangle_collapse_goal, float error_limit, float& result_error)
+static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char* collapse_locked, Quadric* vertex_quadrics, Quadric* attribute_quadrics, QuadricGrad* attribute_gradients, size_t attribute_count, const Collapse* collapses, size_t collapse_count, const unsigned int* collapse_order, const unsigned int* remap, const unsigned int* wedge, const unsigned char* vertex_kind, const unsigned int* loop, const unsigned int* loopback, const Vector3* vertex_positions, const EdgeAdjacency& adjacency, size_t triangle_collapse_goal, float error_limit, float& result_error, float& vertex_error)
 {
 	size_t edge_collapses = 0;
 	size_t triangle_collapses = 0;
@@ -1267,7 +1267,11 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 		triangle_collapses += (kind == Kind_Border) ? 1 : 2;
 		edge_collapses++;
 
+		// when attributes are used, distance error needs to be recomputed as collapses don't track it; it is safe to do this after the quadric adjustment
+		float derr = attribute_count == 0 ? c.error : quadricError(vertex_quadrics[r0], vertex_positions[r1]);
+
 		result_error = result_error < c.error ? c.error : result_error;
+		vertex_error = vertex_error < derr ? derr : vertex_error;
 	}
 
 #if TRACE
@@ -1938,6 +1942,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 
 	size_t result_count = index_count;
 	float result_error = 0;
+	float vertex_error = 0;
 
 	// target_error input is linear; we need to adjust it to match quadricError units
 	float error_scale = (options & meshopt_SimplifyErrorAbsolute) ? vertex_scale : 1.f;
@@ -1970,7 +1975,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 
 		memset(collapse_locked, 0, vertex_count);
 
-		size_t collapses = performEdgeCollapses(collapse_remap, collapse_locked, vertex_quadrics, attribute_quadrics, attribute_gradients, attribute_count, edge_collapses, edge_collapse_count, collapse_order, remap, wedge, vertex_kind, loop, loopback, vertex_positions, adjacency, triangle_collapse_goal, error_limit, result_error);
+		size_t collapses = performEdgeCollapses(collapse_remap, collapse_locked, vertex_quadrics, attribute_quadrics, attribute_gradients, attribute_count, edge_collapses, edge_collapse_count, collapse_order, remap, wedge, vertex_kind, loop, loopback, vertex_positions, adjacency, triangle_collapse_goal, error_limit, result_error, vertex_error);
 
 		// no edges can be collapsed any more due to hitting the error limit or triangle collapse limit
 		if (collapses == 0)
@@ -1984,8 +1989,8 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 
 		result_count = new_count;
 
-		if ((options & meshopt_SimplifyPrune) && result_count > target_index_count && component_nexterror <= result_error)
-			result_count = pruneComponents(result, result_count, components, component_errors, component_count, result_error, component_nexterror);
+		if ((options & meshopt_SimplifyPrune) && result_count > target_index_count && component_nexterror <= vertex_error)
+			result_count = pruneComponents(result, result_count, components, component_errors, component_count, vertex_error, component_nexterror);
 	}
 
 	// we're done with the regular simplification but we're still short of the target; try pruning more aggressively towards error_limit
@@ -2009,6 +2014,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 
 		result_count = new_count;
 		result_error = result_error < component_maxerror ? component_maxerror : result_error;
+		vertex_error = vertex_error < component_maxerror ? component_maxerror : vertex_error;
 	}
 
 #if TRACE

From 82cf7785a1a9a6a77e55f9d94c38b61bf639c791 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 10 Oct 2024 13:10:44 -0700
Subject: [PATCH 362/581] simplify: Split quadrics update into a separate
 function

Instead of updating quadrics as we are collapsing edges, we can update
them in batch after all collapses are done. This makes the code cleaner
since we do not need to replicate the collapse structure explicitly for
both remap and quadric update, and also makes it ~5% faster on many
large meshes - presumably due to better data locality during the update.

The only subtle part here is vertex_quadrics update: we need to do this
just once, and we *know* the primary vertex will have to move if any
wedge moved, so we do that during the corresponding collapse. The
target vertex may not have had any collapses to the primary vertex in
case some vertex gets collapsed into a locked vertex.

This change results in exactly identical results; in the future, this
would result in a more careful handling of Complex collapses as our note
about the attribute quadrics not requiring a merge was incorrect - even
though the attributes might be similar, merging quadrics is still
valuable to get area accumulation.
---
 src/simplifier.cpp | 48 +++++++++++++++++++++++++++-------------------
 1 file changed, 28 insertions(+), 20 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index c49d9901ad..307cfcfe3a 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1117,7 +1117,7 @@ static void sortEdgeCollapses(unsigned int* sort_order, const Collapse* collapse
 	}
 }
 
-static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char* collapse_locked, Quadric* vertex_quadrics, Quadric* attribute_quadrics, QuadricGrad* attribute_gradients, size_t attribute_count, const Collapse* collapses, size_t collapse_count, const unsigned int* collapse_order, const unsigned int* remap, const unsigned int* wedge, const unsigned char* vertex_kind, const unsigned int* loop, const unsigned int* loopback, const Vector3* vertex_positions, const EdgeAdjacency& adjacency, size_t triangle_collapse_goal, float error_limit, float& result_error, float& vertex_error)
+static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char* collapse_locked, Quadric* vertex_quadrics, size_t attribute_count, const Collapse* collapses, size_t collapse_count, const unsigned int* collapse_order, const unsigned int* remap, const unsigned int* wedge, const unsigned char* vertex_kind, const unsigned int* loop, const unsigned int* loopback, const Vector3* vertex_positions, const EdgeAdjacency& adjacency, size_t triangle_collapse_goal, float error_limit, float& result_error, float& vertex_error)
 {
 	size_t edge_collapses = 0;
 	size_t triangle_collapses = 0;
@@ -1212,24 +1212,6 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 			sx = (s1 != ~0u) ? s1 : wedge[i1];
 		}
 
-		quadricAdd(vertex_quadrics[r1], vertex_quadrics[r0]);
-
-		if (attribute_count)
-		{
-			quadricAdd(attribute_quadrics[i1], attribute_quadrics[i0]);
-			quadricAdd(&attribute_gradients[i1 * attribute_count], &attribute_gradients[i0 * attribute_count], attribute_count);
-
-			// note: this is intentionally missing handling for Kind_Complex; we assume that complex vertices have similar attribute values so just using the primary vertex is fine
-			if (kind == Kind_Seam)
-			{
-				// seam collapses involve two edges so we need to update attribute quadrics for both target vertices; position quadrics are shared
-				unsigned int s0 = wedge[i0], s1 = sx;
-
-				quadricAdd(attribute_quadrics[s1], attribute_quadrics[s0]);
-				quadricAdd(&attribute_gradients[s1 * attribute_count], &attribute_gradients[s0 * attribute_count], attribute_count);
-			}
-		}
-
 		if (kind == Kind_Complex)
 		{
 			// remap all vertices in the complex to the target vertex
@@ -1287,6 +1269,30 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 	return edge_collapses;
 }
 
+static void updateQuadrics(const unsigned int* collapse_remap, size_t vertex_count, Quadric* vertex_quadrics, Quadric* attribute_quadrics, QuadricGrad* attribute_gradients, size_t attribute_count, const unsigned int* remap)
+{
+	for (size_t i = 0; i < vertex_count; ++i)
+	{
+		if (collapse_remap[i] == i)
+			continue;
+
+		unsigned int i0 = unsigned(i);
+		unsigned int i1 = collapse_remap[i];
+
+		unsigned int r0 = remap[i0];
+		unsigned int r1 = remap[i1];
+
+		if (i0 == r0)
+			quadricAdd(vertex_quadrics[r1], vertex_quadrics[r0]);
+
+		if (attribute_count)
+		{
+			quadricAdd(attribute_quadrics[i1], attribute_quadrics[i0]);
+			quadricAdd(&attribute_gradients[i1 * attribute_count], &attribute_gradients[i0 * attribute_count], attribute_count);
+		}
+	}
+}
+
 static size_t remapIndexBuffer(unsigned int* indices, size_t index_count, const unsigned int* collapse_remap)
 {
 	size_t write = 0;
@@ -1975,12 +1981,14 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 
 		memset(collapse_locked, 0, vertex_count);
 
-		size_t collapses = performEdgeCollapses(collapse_remap, collapse_locked, vertex_quadrics, attribute_quadrics, attribute_gradients, attribute_count, edge_collapses, edge_collapse_count, collapse_order, remap, wedge, vertex_kind, loop, loopback, vertex_positions, adjacency, triangle_collapse_goal, error_limit, result_error, vertex_error);
+		size_t collapses = performEdgeCollapses(collapse_remap, collapse_locked, vertex_quadrics, attribute_count, edge_collapses, edge_collapse_count, collapse_order, remap, wedge, vertex_kind, loop, loopback, vertex_positions, adjacency, triangle_collapse_goal, error_limit, result_error, vertex_error);
 
 		// no edges can be collapsed any more due to hitting the error limit or triangle collapse limit
 		if (collapses == 0)
 			break;
 
+		updateQuadrics(collapse_remap, vertex_count, vertex_quadrics, attribute_quadrics, attribute_gradients, attribute_count, remap);
+
 		remapEdgeLoops(loop, vertex_count, collapse_remap);
 		remapEdgeLoops(loopback, vertex_count, collapse_remap);
 

From 990eb2a11d4dedf0aef49c696f6ce51c00c7e614 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 10 Oct 2024 13:41:04 -0700
Subject: [PATCH 363/581] simplify: Move vertex_error update to updateQuadrics

This way performEdgeCollapses no longer needs access to quadrics data,
and when attributes are used and we need to compute distance error, the
access to vertex quadrics is maximally local as we use them right after
aggregation, which saves 1-2% on large meshes.

For now we keep the optimization of not recomputing the distance error
unless attributes are used; it makes the data flow slightly awkward and
seems to have <1% performance impact but we can remove it later if it
becomes more problematic.
---
 src/simplifier.cpp | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 307cfcfe3a..9d7b06f2d0 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1117,7 +1117,7 @@ static void sortEdgeCollapses(unsigned int* sort_order, const Collapse* collapse
 	}
 }
 
-static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char* collapse_locked, Quadric* vertex_quadrics, size_t attribute_count, const Collapse* collapses, size_t collapse_count, const unsigned int* collapse_order, const unsigned int* remap, const unsigned int* wedge, const unsigned char* vertex_kind, const unsigned int* loop, const unsigned int* loopback, const Vector3* vertex_positions, const EdgeAdjacency& adjacency, size_t triangle_collapse_goal, float error_limit, float& result_error, float& vertex_error)
+static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char* collapse_locked, const Collapse* collapses, size_t collapse_count, const unsigned int* collapse_order, const unsigned int* remap, const unsigned int* wedge, const unsigned char* vertex_kind, const unsigned int* loop, const unsigned int* loopback, const Vector3* vertex_positions, const EdgeAdjacency& adjacency, size_t triangle_collapse_goal, float error_limit, float& result_error)
 {
 	size_t edge_collapses = 0;
 	size_t triangle_collapses = 0;
@@ -1249,11 +1249,8 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 		triangle_collapses += (kind == Kind_Border) ? 1 : 2;
 		edge_collapses++;
 
-		// when attributes are used, distance error needs to be recomputed as collapses don't track it; it is safe to do this after the quadric adjustment
-		float derr = attribute_count == 0 ? c.error : quadricError(vertex_quadrics[r0], vertex_positions[r1]);
 
 		result_error = result_error < c.error ? c.error : result_error;
-		vertex_error = vertex_error < derr ? derr : vertex_error;
 	}
 
 #if TRACE
@@ -1269,7 +1266,7 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 	return edge_collapses;
 }
 
-static void updateQuadrics(const unsigned int* collapse_remap, size_t vertex_count, Quadric* vertex_quadrics, Quadric* attribute_quadrics, QuadricGrad* attribute_gradients, size_t attribute_count, const unsigned int* remap)
+static void updateQuadrics(const unsigned int* collapse_remap, size_t vertex_count, Quadric* vertex_quadrics, Quadric* attribute_quadrics, QuadricGrad* attribute_gradients, size_t attribute_count, const Vector3* vertex_positions, const unsigned int* remap, float& vertex_error)
 {
 	for (size_t i = 0; i < vertex_count; ++i)
 	{
@@ -1282,6 +1279,7 @@ static void updateQuadrics(const unsigned int* collapse_remap, size_t vertex_cou
 		unsigned int r0 = remap[i0];
 		unsigned int r1 = remap[i1];
 
+		// ensure we only update vertex_quadrics once: primary vertex must be moved if any wedge is moved
 		if (i0 == r0)
 			quadricAdd(vertex_quadrics[r1], vertex_quadrics[r0]);
 
@@ -1289,6 +1287,13 @@ static void updateQuadrics(const unsigned int* collapse_remap, size_t vertex_cou
 		{
 			quadricAdd(attribute_quadrics[i1], attribute_quadrics[i0]);
 			quadricAdd(&attribute_gradients[i1 * attribute_count], &attribute_gradients[i0 * attribute_count], attribute_count);
+
+			if (i0 == r0)
+			{
+				// when attributes are used, distance error needs to be recomputed as collapses don't track it; it is safe to do this after the quadric adjustment
+				float derr = quadricError(vertex_quadrics[r0], vertex_positions[r1]);
+				vertex_error = vertex_error < derr ? derr : vertex_error;
+			}
 		}
 	}
 }
@@ -1981,13 +1986,16 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 
 		memset(collapse_locked, 0, vertex_count);
 
-		size_t collapses = performEdgeCollapses(collapse_remap, collapse_locked, vertex_quadrics, attribute_count, edge_collapses, edge_collapse_count, collapse_order, remap, wedge, vertex_kind, loop, loopback, vertex_positions, adjacency, triangle_collapse_goal, error_limit, result_error, vertex_error);
+		size_t collapses = performEdgeCollapses(collapse_remap, collapse_locked, edge_collapses, edge_collapse_count, collapse_order, remap, wedge, vertex_kind, loop, loopback, vertex_positions, adjacency, triangle_collapse_goal, error_limit, result_error);
 
 		// no edges can be collapsed any more due to hitting the error limit or triangle collapse limit
 		if (collapses == 0)
 			break;
 
-		updateQuadrics(collapse_remap, vertex_count, vertex_quadrics, attribute_quadrics, attribute_gradients, attribute_count, remap);
+		updateQuadrics(collapse_remap, vertex_count, vertex_quadrics, attribute_quadrics, attribute_gradients, attribute_count, vertex_positions, remap, vertex_error);
+
+		// updateQuadrics will update vertex error if we use attributes, but if we don't then result_error and vertex_error are equivalent
+		vertex_error = attribute_count == 0 ? result_error : vertex_error;
 
 		remapEdgeLoops(loop, vertex_count, collapse_remap);
 		remapEdgeLoops(loopback, vertex_count, collapse_remap);

From e4144c261bf6701dfdf431b48174dd5ed6661367 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 10 Oct 2024 13:58:20 -0700
Subject: [PATCH 364/581] simplify: Move seam pair computation into collapse
 handling

The only reason why seam pair was computed separately was to reuse that
computation between collapse and quadric updates as it is fragile; now
that we have split quadric updates completely, sx is only used for
collapse update and it's thus better and cheaper to process inline.
---
 src/simplifier.cpp | 34 ++++++++++++----------------------
 1 file changed, 12 insertions(+), 22 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 9d7b06f2d0..51dfda2be7 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1193,25 +1193,6 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 		assert(collapse_remap[r0] == r0);
 		assert(collapse_remap[r1] == r1);
 
-		unsigned int sx = i1;
-
-		// for seam collapses we need to move the seam pair together; this is a bit tricky to compute since we need to rely on edge loops as target vertex may be locked (and thus have more than two wedges)
-		if (kind == Kind_Seam)
-		{
-			unsigned int s0 = wedge[i0];
-			unsigned int s1 = loop[i0] == i1 ? loopback[s0] : loop[s0];
-			assert(s0 != i0 && wedge[s0] == i0);
-			assert(s1 != ~0u && remap[s1] == r1);
-
-			// additional asserts to verify that the seam pair is consistent
-			assert(kind != vertex_kind[i1] || s1 == wedge[i1]);
-			assert(loop[i0] == i1 || loopback[i0] == i1);
-			assert(loop[s0] == s1 || loopback[s0] == s1);
-
-			// note: this should never happen due to the assertion above, but when disabled if we ever hit this case we'll get a memory safety issue; for now play it safe
-			sx = (s1 != ~0u) ? s1 : wedge[i1];
-		}
-
 		if (kind == Kind_Complex)
 		{
 			// remap all vertices in the complex to the target vertex
@@ -1225,10 +1206,19 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 		}
 		else if (kind == Kind_Seam)
 		{
-			// remap v0 to v1 and seam pair of v0 to seam pair of v1
-			unsigned int s0 = wedge[i0], s1 = sx;
+			// for seam collapses we need to move the seam pair together; this is a bit tricky to compute since we need to rely on edge loops as target vertex may be locked (and thus have more than two wedges)
+			unsigned int s0 = wedge[i0];
+			unsigned int s1 = loop[i0] == i1 ? loopback[s0] : loop[s0];
 			assert(s0 != i0 && wedge[s0] == i0);
-			assert(remap[s1] == r1);
+			assert(s1 != ~0u && remap[s1] == r1);
+
+			// additional asserts to verify that the seam pair is consistent
+			assert(kind != vertex_kind[i1] || s1 == wedge[i1]);
+			assert(loop[i0] == i1 || loopback[i0] == i1);
+			assert(loop[s0] == s1 || loopback[s0] == s1);
+
+			// note: this should never happen due to the assertion above, but when disabled if we ever hit this case we'll get a memory safety issue; for now play it safe
+			s1 = (s1 != ~0u) ? s1 : wedge[i1];
 
 			collapse_remap[i0] = i1;
 			collapse_remap[s0] = s1;

From 3c0b1d45a84e09c3038b6da27ae779b613985ba2 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 12 Oct 2024 14:47:46 -0700
Subject: [PATCH 365/581] demo: Fix an off-by-2x error in loderrotarget

At z=1, the frustum spans from -tan(fov/2) to tan(fov/2), so we were
missing a 2x factor when computing the size of a single pixel.
---
 demo/simplify.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index 0e8ebfb90a..de065584f8 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -324,7 +324,7 @@
 						var center = new THREE.Vector3();
 						var radius = 1;
 						var distance = Math.max(camera.position.distanceTo(center) - radius, 0);
-						var loderrortarget = 1e-3 * Math.tan(camera.fov * 0.5 * (Math.PI / 180)); // ~1 pixel at 1k x 1k
+						var loderrortarget = 1e-3 * (2 * Math.tan(camera.fov * 0.5 * (Math.PI / 180))); // ~1 pixel at 1k x 1k
 
 						// note: we are currently cutting corners wrt handling the actual mesh scale
 						// since we rescale the entire scene to fit a unit box, we can directly feed the threshold

From 9b870cc72ef075b6e67f0657c237ecdb7023157b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 14 Oct 2024 10:33:37 -0700
Subject: [PATCH 366/581] Update README.md

Minor tweaks to LOD selection code: replace 1000 with the actual screen
height, wrap comment for readability.
---
 README.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 56928130d2..ebbb09f429 100644
--- a/README.md
+++ b/README.md
@@ -306,9 +306,10 @@ This algorithm will not stop early due to topology restrictions but can still do
 Both algorithms can also return the resulting normalized deviation that can be used to choose the correct level of detail based on screen size or solid angle; the error can be converted to object space by multiplying by the scaling factor returned by `meshopt_simplifyScale`. For example, given a mesh with a precomputed LOD and a prescaled error, the screen-space normalized error can be computed and used for LOD selection:
 
 ```c++
+// lod_factor can be 1 or can be adjusted for more or less aggressive LOD selection
 float d = max(0, distance(camera_position, mesh_center) - mesh_radius);
-float e = d * (tan(camera_fovy / 2) * 2 / 1000); // assume ~1000 px vertical resolution
-bool lod_ok = e * lod_factor >= lod_error; // lod_factor can be 1 or can be adjusted for more or less aggressive LOD selection
+float e = d * (tan(camera_fovy / 2) * 2 / screen_height); // 1px in mesh space
+bool lod_ok = e * lod_factor >= lod_error;
 ```
 
 When a sequence of LOD meshes is generated that all use the original vertex buffer, care must be taken to order vertices optimally to not penalize mobile GPU architectures that are only capable of transforming a sequential vertex buffer range. It's recommended in this case to first optimize each LOD for vertex cache, then assemble all LODs in one large index buffer starting from the coarsest LOD (the one with fewest triangles), and call `meshopt_optimizeVertexFetch` on the final large index buffer. This will make sure that coarser LODs require a smaller vertex range and are efficient wrt vertex fetch and transform.

From 1540be41888fd230e1ca4c470c4f4fadf7f18b60 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 15 Oct 2024 08:28:41 -0700
Subject: [PATCH 367/581] simplify: Silence clang-tidy diagnostics

Division by 3 here is exact so it is safe to do this despite the fact
that the result is cast to float.
---
 src/simplifier.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 51dfda2be7..af64cbda49 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1239,7 +1239,6 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 		triangle_collapses += (kind == Kind_Border) ? 1 : 2;
 		edge_collapses++;
 
-
 		result_error = result_error < c.error ? c.error : result_error;
 	}
 
@@ -2126,7 +2125,7 @@ size_t meshopt_simplifySloppy(unsigned int* destination, const unsigned int* ind
 		    (triangles <= target_index_count / 3) ? "under" : "over");
 #endif
 
-		float tip = interpolate(float(target_index_count / 3), float(min_grid), float(min_triangles), float(grid_size), float(triangles), float(max_grid), float(max_triangles));
+		float tip = interpolate(float(size_t(target_index_count / 3)), float(min_grid), float(min_triangles), float(grid_size), float(triangles), float(max_grid), float(max_triangles));
 
 		if (triangles <= target_index_count / 3)
 		{

From 0b8d3616c94d313c13f1183abb41a5083df6a146 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 15 Oct 2024 08:29:37 -0700
Subject: [PATCH 368/581] demo: Add extra statistics for meshlets

We now track the average number of boundary vertices for a meshlet as
well as the mean cone half-angle radius; both are relevant for various
optimality properties of meshlets depending on the use case.
---
 demo/main.cpp | 39 +++++++++++++++++++++++++++++++--------
 1 file changed, 31 insertions(+), 8 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 8ca84f4782..87798f0fcf 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -929,7 +929,7 @@ static int follow(int* parents, int index)
 	return index;
 }
 
-void meshlets(const Mesh& mesh, bool scan)
+void meshlets(const Mesh& mesh, bool scan = false)
 {
 	const size_t max_vertices = 64;
 	const size_t max_triangles = 124; // NVidia-recommended 126, rounded down to a multiple of 4
@@ -963,9 +963,20 @@ void meshlets(const Mesh& mesh, bool scan)
 
 	double avg_vertices = 0;
 	double avg_triangles = 0;
+	double avg_boundary = 0;
 	size_t not_full = 0;
 	size_t not_connected = 0;
 
+	std::vector<int> boundary(mesh.vertices.size());
+
+	for (size_t i = 0; i < meshlets.size(); ++i)
+	{
+		const meshopt_Meshlet& m = meshlets[i];
+
+		for (unsigned int j = 0; j < m.vertex_count; ++j)
+			boundary[meshlet_vertices[m.vertex_offset + j]]++;
+	}
+
 	for (size_t i = 0; i < meshlets.size(); ++i)
 	{
 		const meshopt_Meshlet& m = meshlets[i];
@@ -974,6 +985,10 @@ void meshlets(const Mesh& mesh, bool scan)
 		avg_triangles += m.triangle_count;
 		not_full += m.vertex_count < max_vertices;
 
+		for (unsigned int j = 0; j < m.vertex_count; ++j)
+			if (boundary[meshlet_vertices[m.vertex_offset + j]] > 1)
+				avg_boundary += 1;
+
 		// union-find vertices to check if the meshlet is connected
 		int parents[max_vertices];
 		for (unsigned int j = 0; j < m.vertex_count; ++j)
@@ -1000,10 +1015,11 @@ void meshlets(const Mesh& mesh, bool scan)
 
 	avg_vertices /= double(meshlets.size());
 	avg_triangles /= double(meshlets.size());
+	avg_boundary /= double(meshlets.size());
 
-	printf("Meshlets%c: %d meshlets (avg vertices %.1f, avg triangles %.1f, not full %d, not connected %d) in %.2f msec\n",
+	printf("Meshlets%c: %d meshlets (avg vertices %.1f, avg triangles %.1f, avg boundary %.1f, not full %d, not connected %d) in %.2f msec\n",
 	    scan ? 'S' : ' ',
-	    int(meshlets.size()), avg_vertices, avg_triangles, int(not_full), int(not_connected), (end - start) * 1000);
+	    int(meshlets.size()), avg_vertices, avg_triangles, avg_boundary, int(not_full), int(not_connected), (end - start) * 1000);
 
 	float camera[3] = {100, 100, 100};
 
@@ -1015,6 +1031,7 @@ void meshlets(const Mesh& mesh, bool scan)
 	size_t accepted_s8 = 0;
 
 	std::vector<float> radii(meshlets.size());
+	std::vector<float> cones(meshlets.size());
 
 	double startc = timestamp();
 	for (size_t i = 0; i < meshlets.size(); ++i)
@@ -1024,6 +1041,7 @@ void meshlets(const Mesh& mesh, bool scan)
 		meshopt_Bounds bounds = meshopt_computeMeshletBounds(&meshlet_vertices[m.vertex_offset], &meshlet_triangles[m.triangle_offset], m.triangle_count, &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex));
 
 		radii[i] = bounds.radius;
+		cones[i] = 90.f - acosf(bounds.cone_cutoff) * (180.f / 3.1415926f);
 
 		// trivial accept: we can't ever backface cull this meshlet
 		accepted += (bounds.cone_cutoff >= 1);
@@ -1047,11 +1065,16 @@ void meshlets(const Mesh& mesh, bool scan)
 	double endc = timestamp();
 
 	double radius_mean = 0;
+	double cone_mean = 0;
 
 	for (size_t i = 0; i < meshlets.size(); ++i)
+	{
 		radius_mean += radii[i];
+		cone_mean += cones[i];
+	}
 
 	radius_mean /= double(meshlets.size());
+	cone_mean /= double(meshlets.size());
 
 	double radius_variance = 0;
 
@@ -1067,10 +1090,10 @@ void meshlets(const Mesh& mesh, bool scan)
 	for (size_t i = 0; i < meshlets.size(); ++i)
 		meshlets_std += radii[i] < radius_mean + radius_stddev;
 
-	printf("BoundDist: mean %f stddev %f; %.1f%% meshlets are under mean+stddev\n",
-	    radius_mean,
-	    radius_stddev,
-	    double(meshlets_std) / double(meshlets.size()) * 100);
+	printf("Bounds   : radius mean %f stddev %f; %.1f%% meshlets are under mean+stddev; cone mean half angle %.1f\n",
+	    radius_mean, radius_stddev,
+	    double(meshlets_std) / double(meshlets.size()) * 100,
+	    cone_mean);
 
 	printf("ConeCull : rejected apex %d (%.1f%%) / center %d (%.1f%%), trivially accepted %d (%.1f%%) in %.2f msec\n",
 	    int(rejected), double(rejected) / double(meshlets.size()) * 100,
@@ -1392,7 +1415,7 @@ void processDev(const char* path)
 	if (!loadMesh(mesh, path))
 		return;
 
-	simplifyAttr(mesh, 0.1f, meshopt_SimplifyPrune);
+	meshlets(mesh);
 }
 
 void processNanite(const char* path)

From b9e9f54435eeec4bfb7a6c3f38bfe3945ad673ee Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 15 Oct 2024 09:08:13 -0700
Subject: [PATCH 369/581] Update README.md

Add a section on advanced compression that covers expected compression
ratio for index codec, data ordering and quantization/filtering
recommendations for different types of data.
---
 README.md | 34 ++++++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index ebbb09f429..10f583c15a 100644
--- a/README.md
+++ b/README.md
@@ -180,8 +180,6 @@ assert(resvb == 0 && resib == 0);
 
 Note that vertex encoding assumes that vertex buffer was optimized for vertex fetch, and that vertices are quantized; index encoding assumes that the vertex/index buffers were optimized for vertex cache and vertex fetch. Feeding unoptimized data into the encoders will produce poor compression ratios. Both codecs are lossless - the only lossy step is quantization that happens before encoding.
 
-To reduce the data size further, it's recommended to use `meshopt_optimizeVertexCacheStrip` instead of `meshopt_optimizeVertexCache` when optimizing for vertex cache, and to use new index codec version (`meshopt_encodeIndexVersion(1)`). This trades off some efficiency in vertex transform for smaller vertex and index data.
-
 Decoding functions are heavily optimized and can directly target write-combined memory; you can expect both decoders to run at 1-3 GB/s on modern desktop CPUs. Compression ratios depend on the data; vertex data compression ratio is typically around 2-4x (compared to already quantized data), index data compression ratio is around 5-6x (compared to raw 16-bit index data). General purpose lossless compressors can further improve on these results.
 
 Index buffer codec only supports triangle list topology; when encoding triangle strips or line lists, use `meshopt_encodeIndexSequence`/`meshopt_decodeIndexSequence` instead. This codec typically encodes indices into ~1 byte per index, but compressing the results further with a general purpose compressor can improve the results to 1-3 bits per index.
@@ -220,6 +218,38 @@ meshopt_remapVertexBuffer(positions, positions, point_count, sizeof(vec3), &rema
 
 After this the resulting arrays should be quantized (e.g. using 16-bit fixed point numbers for positions and 8-bit color components), and the result can be compressed using `meshopt_encodeVertexBuffer` as described in the previous section. To decompress, `meshopt_decodeVertexBuffer` will recover the quantized data that can be used directly or converted back to original floating-point data. The compression ratio depends on the nature of source data, for colored points it's typical to get 35-40 bits per point as a result.
 
+## Advanced compression
+
+Both vertex and index codecs are designed to be used in a three-stage pipeline:
+
+- Preparation (quantization, filtering, ordering)
+- Encoding (`meshopt_encodeVertexBuffer`/`meshopt_encodeIndexBuffer`)
+- Optional compression (LZ4/zlib/zstd/Oodle)
+
+The preparation stage is crucial for achieving good compression ratios; this section will cover some techniques that can be used to improve the results.
+
+Index codec targets 1 byte per triangle as a best case; on real-world data it's typical to get 1-1.2 bytes per triangle. To achieve this, the data needs to be optimized for vertex cache and vertex fetch. Optimizations that do not disrupt triangle locality (such as overdraw) are safe to use in between.
+To reduce the data size further, it's possible to use `meshopt_optimizeVertexCacheStrip` instead of `meshopt_optimizeVertexCache` when optimizing for vertex cache. This trades off some efficiency in vertex transform for smaller vertex and index data.
+
+When referenced vertex indices are not sequential, index codec will use around 2 bytes per index. This can happen when the referenced vertices are a sparse subset of the vertex buffer, such as when encoding LODs. General purpose compression can be especially helpful in this case.
+
+Vertex codec tries to take advantage of the inherent locality of sequential vertices, and identify bit patterns that repeat in consecutive vertices. Typically, vertex cache + vertex fetch provides a reasonably local vertex traversal order; without an index buffer it is recommended to sort vertices spatially to improve the compression ratio.
+It is crucial to correctly specify the stride when encoding vertex data; however, it does not matter whether the vertices are interleaved or deinterleaved, as the codecs perform full byte deinterleaving internally.
+
+For optimal compression results the values must be quantized to small integers; it can be valuable to use bit counts that are not multiples of 8, for example instead of using 16 bits to represent texture coordinates, use 12 bit integers and divide by 4095 in the shader. Alternatively, using half precision floats can often achieve good results.
+For single precision floating point data, it's recommended to use `meshopt_quantizeFloat` to remove entropy from the lower bits of the mantissa; due to current limitations of the codec, the bit count needs to be 15 (23-8) for good results (7 can be used for more extreme compression).
+For normal or tangent vectors, using octahedral encoding is recommended over three components as it reduces redundancy; similarly to other quantized values, consider using 10-12 bits per component instead of 16.
+
+> Note: vertex codec v0 is limited to taking advantage of redundancy in high bits of each byte; because of this, packing multiple 10-bit values into 32 bits will reduce compression ratio, and when storing a 12-bit value in 16 bits, high bits should be zeroed out. This limitation may be lifted in future versions of the codec.
+
+To take further advantage of inherent structure of some data, preparation stage can use filters that encode and decode the data in a lossy manner; this is similar to quantization, but can be used without having to change the shader code. After decoding, the filter transformation needs to be reversed. This library provides three filters:
+
+- Octahedral filter (`meshopt_encodeFilterOct`/`meshopt_decodeFilterOct`) encodes quantized (snorm) normal or tangent vectors using octahedral encoding. Any number of bits <= 16 can be used with 4 bytes or 8 bytes per vector.
+- Quaternion filter (`meshopt_encodeFilterQuat`/`meshopt_decodeFilterQuat`) encodes quantized (snorm) quaternion vectors; this can be used to encode rotations or tangent frames. Any number of bits between 4 and 16 can be used with 8 bytes per vector.
+- Exponential filter (`meshopt_encodeFilterExp`/`meshopt_decodeFilterExp`) encodes single precision floating point vectors; this can be used to encode arbitrary floating point data more efficiently. In addition to an arbitrary bit count (<= 24), the filter takes a "mode" parameter that allows to specify how the exponent sharing is performed; `meshopt_EncodeExpSeparate` does not share exponents and results in largest output, `meshopt_EncodeExpSharedVector` shares exponents between different components of the same vector, `meshopt_EncodeExpSharedComponent` shares exponents between the same component in different vectors. The mode allows to trade off compression ratio and quality.
+
+Note that all filters are lossy and require the data to be deinterleaved with one attribute per stream; this faciliates efficient SIMD implementation of filter decoders, allowing the overall decompression speed to be close to that of the raw codec.
+
 ## Triangle strip conversion
 
 On most hardware, indexed triangle lists are the most efficient way to drive the GPU. However, in some cases triangle strips might prove beneficial:

From 1de42bec7d09aaa5dc74b0f5ddfccc4925a09bc2 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 15 Oct 2024 15:00:51 -0700
Subject: [PATCH 370/581] Improve .clang-format setup

This change fixes a few idiosyncrasies in clang-format integration:

- extern/ code should not be formatted
- All other code, including meshoptimizer.h/gltfpack.h, should be
- Fix indentation issues because of extern "C" block
- Work around clang-format bug wrt calling convention qualifiers
---
 .clang-format        |  2 ++
 Makefile             |  2 +-
 extern/.clang-format |  1 +
 src/allocator.cpp    |  2 +-
 src/meshoptimizer.h  | 13 +++++++------
 5 files changed, 12 insertions(+), 8 deletions(-)
 create mode 100644 extern/.clang-format

diff --git a/.clang-format b/.clang-format
index 039f510014..13b9079597 100644
--- a/.clang-format
+++ b/.clang-format
@@ -11,3 +11,5 @@ BreakConstructorInitializersBeforeComma: true
 NamespaceIndentation: None
 AlignEscapedNewlines: DontAlign
 AlignAfterOpenBracket: DontAlign
+IndentExternBlock: NoIndent
+Macros: [MESHOPTIMIZER_ALLOC_CALLCONV=&_&]
diff --git a/Makefile b/Makefile
index bf6c7c399c..5a158492ec 100644
--- a/Makefile
+++ b/Makefile
@@ -123,7 +123,7 @@ nanite: $(DEMO)
 	$(DEMO) -n $(files)
 
 format:
-	clang-format -i $(LIBRARY_SOURCES) $(DEMO_SOURCES) $(GLTFPACK_SOURCES)
+	clang-format -i src/*.h src/*.cpp demo/*.cpp gltf/*.h gltf/*.cpp
 
 formatjs:
 	prettier -w js/*.js gltf/*.js demo/*.html js/*.ts
diff --git a/extern/.clang-format b/extern/.clang-format
new file mode 100644
index 0000000000..e3845288a2
--- /dev/null
+++ b/extern/.clang-format
@@ -0,0 +1 @@
+DisableFormat: true
diff --git a/src/allocator.cpp b/src/allocator.cpp
index 12eda38729..b8cb33c280 100644
--- a/src/allocator.cpp
+++ b/src/allocator.cpp
@@ -1,7 +1,7 @@
 // This file is part of meshoptimizer library; see meshoptimizer.h for version/license details
 #include "meshoptimizer.h"
 
-void meshopt_setAllocator(void*(MESHOPTIMIZER_ALLOC_CALLCONV* allocate)(size_t), void(MESHOPTIMIZER_ALLOC_CALLCONV* deallocate)(void*))
+void meshopt_setAllocator(void* (MESHOPTIMIZER_ALLOC_CALLCONV* allocate)(size_t), void (MESHOPTIMIZER_ALLOC_CALLCONV* deallocate)(void*))
 {
 	meshopt_Allocator::Storage::allocate = allocate;
 	meshopt_Allocator::Storage::deallocate = deallocate;
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 8beec4d5b6..6c42f67f65 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -35,7 +35,8 @@
 
 /* C interface */
 #ifdef __cplusplus
-extern "C" {
+extern "C"
+{
 #endif
 
 /**
@@ -601,7 +602,7 @@ MESHOPTIMIZER_EXPERIMENTAL void meshopt_spatialSortTriangles(unsigned int* desti
  * Note that all algorithms only allocate memory for temporary use.
  * allocate/deallocate are always called in a stack-like order - last pointer to be allocated is deallocated first.
  */
-MESHOPTIMIZER_API void meshopt_setAllocator(void* (MESHOPTIMIZER_ALLOC_CALLCONV *allocate)(size_t), void (MESHOPTIMIZER_ALLOC_CALLCONV *deallocate)(void*));
+MESHOPTIMIZER_API void meshopt_setAllocator(void* (MESHOPTIMIZER_ALLOC_CALLCONV* allocate)(size_t), void (MESHOPTIMIZER_ALLOC_CALLCONV* deallocate)(void*));
 
 #ifdef __cplusplus
 } /* extern "C" */
@@ -749,8 +750,8 @@ class meshopt_Allocator
 	template <typename T>
 	struct StorageT
 	{
-		static void* (MESHOPTIMIZER_ALLOC_CALLCONV *allocate)(size_t);
-		static void (MESHOPTIMIZER_ALLOC_CALLCONV *deallocate)(void*);
+		static void* (MESHOPTIMIZER_ALLOC_CALLCONV* allocate)(size_t);
+		static void (MESHOPTIMIZER_ALLOC_CALLCONV* deallocate)(void*);
 	};
 
 	typedef StorageT<void> Storage;
@@ -790,9 +791,9 @@ class meshopt_Allocator
 
 // This makes sure that allocate/deallocate are lazily generated in translation units that need them and are deduplicated by the linker
 template <typename T>
-void* (MESHOPTIMIZER_ALLOC_CALLCONV *meshopt_Allocator::StorageT<T>::allocate)(size_t) = operator new;
+void* (MESHOPTIMIZER_ALLOC_CALLCONV* meshopt_Allocator::StorageT<T>::allocate)(size_t) = operator new;
 template <typename T>
-void (MESHOPTIMIZER_ALLOC_CALLCONV *meshopt_Allocator::StorageT<T>::deallocate)(void*) = operator delete;
+void (MESHOPTIMIZER_ALLOC_CALLCONV* meshopt_Allocator::StorageT<T>::deallocate)(void*) = operator delete;
 #endif
 
 /* Inline implementation for C++ templated wrappers */

From ab9e2b71503e30d9b1a3988e38cd7e1092de863f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 15 Oct 2024 15:04:07 -0700
Subject: [PATCH 371/581] js: Update Wasm binaries for simplifier

This incorporates changes to pruning and performance tweaks.
---
 js/meshopt_simplifier.js        | 2 +-
 js/meshopt_simplifier.module.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index c37e32da20..16a710fb88 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -5,7 +5,7 @@ var MeshoptSimplifier = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
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dtfydbgOfRbbhedndnaXaKaHfydbgCfRbbgAc99fcFeGcpe0mbaeceSmbaecd9hmekdnaAcufcFeGce0mbahaCcdtfydbaO9hmekdnaecufcFeGce0mbagaOcdtfydbaC9hmekdnaAcv2aefcj1jjbfRbbTmbaQaOcdtfydbaQaCcdtfydb0mekJbbacJbbacJbbjZaeceSEaAceSEh8ZdnaaaYaHc:K1jjbfydbcdtfydbcx2fgeIdwaaaCcx2fgAIdwg8R:tg8VaaaOcx2fgLIdwa8R:tg8Sa8SNaLIdbaAIdbg8W:tgIaINaLIdlaAIdlg8U:tgRaRNMMg8PNa8Va8SNaeIdba8W:tg80aINaRaeIdla8U:tg8YNMMg8Xa8SN:tg8Va8VNa80a8PNa8XaIN:tg8Sa8SNa8Ya8PNa8XaRN:tgIaINMM:rgRJbbbb9ETmba8VaR:vh8VaIaR:vhIa8SaR:vh8SkaDaQaCcdtfydbc8S2fgea8Sa8Za8P:rNgRa8SNNg8XaeIdbMUdbaeaIaRaINg8ZNg80aeIdlMUdlaea8VaRa8VNg8PNg8YaeIdwMUdwaea8Za8SNg8ZaeIdxMUdxaea8Pa8SNg81aeIdzMUdzaea8PaINgBaeIdCMUdCaea8SaRa8Va8RNa8Sa8WNa8UaINMM:mg8RNg8PNg8SaeIdKMUdKaeaIa8PNgIaeId3MUd3aea8Va8PNg8VaeIdaMUdaaea8Pa8RNg8PaeId8KMUd8KaeaRaeIdyMUdyaDaQaOcdtfydbc8S2fgea8XaeIdbMUdbaea80aeIdlMUdlaea8YaeIdwMUdwaea8ZaeIdxMUdxaea81aeIdzMUdzaeaBaeIdCMUdCaea8SaeIdKMUdKaeaIaeId3MUd3aea8VaeIdaMUdaaea8PaeId8KMUd8KaeaRaeIdyMUdykaHclfgHcx9hmbkaKcxfhKaicifgiad6mbkdna8JTmbcbhKinJbbbbh8WaaabaKcdtfgeclfydbgLcx2fgHIdwaaaeydbgicx2fgOIdwg8Y:tgIaINaHIdbaOIdbg81:tg8Va8VNaHIdlaOIdlgB:tgRaRNMMg8Zaaaecwfydbg8Fcx2fgeIdwa8Y:tg8PNaIaIa8PNa8VaeIdba81:tg8RNaRaeIdlaB:tg8UNMMg8SN:tJbbbbJbbjZa8Za8Pa8PNa8Ra8RNa8Ua8UNMMg80Na8Sa8SN:tg8X:va8XJbbbb9BEg8XNh83a80aINa8Pa8SN:ta8XNhUa8Za8UNaRa8SN:ta8XNh85a80aRNa8Ua8SN:ta8XNh86a8Za8RNa8Va8SN:ta8XNh87a80a8VNa8Ra8SN:ta8XNh88a8Va8UNa8RaRN:tg8Sa8SNaRa8PNa8UaIN:tg8Sa8SNaIa8RNa8Pa8VN:tg8Sa8SNMM:rJbbbZNh8Sayaia8J2g3cdtfhHaya8Fa8J2gwcdtfhOayaLa8J2g8LcdtfhCa8Y:mh89aB:mh8:a81:mhZcbhAa8JhYJbbbbh8UJbbbbh8XJbbbbh8ZJbbbbh80Jbbbbh8YJbbbbh81JbbbbhBJbbbbhnJbbbbhcinasc;WbfaAfgecwfa8SaUaCIdbaHIdbg8P:tgRNa83aOIdba8P:tg8RNMgINUdbaeclfa8Sa86aRNa85a8RNMg8VNUdbaea8Sa88aRNa87a8RNMgRNUdbaecxfa8Sa89aINa8: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;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkara8LcltfhYcbhHa8JhCinaYaHfgeasc;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkarawcltfhYcbhHa8JhCinaYaHfgeasc;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkaKcifgKad6mbkkcbhOxekcehOcbhrkcbh8FdndnamcwGg9cmbJbbbbh8ZcbhJcbhocbhCxekcbhea5cbyd;S1jjbHjjjjbbhCascxfasyd2gHcdtfaCBdbasaHcefBd2dnalTmbaChHinaHaeBdbaHclfhHalaecefge9hmbkkdnaOmbcbhiinabaicdtfhLcbhKinaQaLaKcdtgec: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;S1jjbHjjjjbbhoascxfasyd2gHcdtfaoBdbasaHcefBd2aocbaez:ljjjbhAdnalTmbaChOaahealhYinaecwfIdbh8SaeclfIdbhIaAaOydbcltfgHaeIdbaHIdbMUdbaHclfgKaIaKIdbMUdbaHcwfgKa8SaKIdbMUdbaHcxfgHaHIdbJbbjZMUdbaOclfhOaecxfheaYcufgYmbkkdnaJTmbaAheaJhHinaecxfgOIdbh8SaOcbBdbaeaeIdbJbbbbJbbjZa8S:va8SJbbbb9BEg8SNUdbaeclfgOa8SaOIdbNUdbaecwfgOa8SaOIdbNUdbaeczfheaHcufgHmbkkdnalTmbaChOaahealhYinaAaOydbcltfgHcxfgKaecwfIdbaHcwfIdb:tg8Sa8SNaeIdbaHIdb:tg8Sa8SNaeclfIdbaHclfIdb:tg8Sa8SNMMg8SaKIdbgIaIa8S9DEUdbaOclfhOaecxfheaYcufgYmbkkdnaJmbcbhJJFFuuh8ZxekaAcxfheaAhHaJhOinaHaeIdbUdbaeczfheaHclfhHaOcufgOmbkJFFuuh8ZaAheaJhHinaeIdbg8Sa8Za8Za8S9EEh8ZaeclfheaHcufgHmbkkasydlh9ednalTmba9eclfhea9eydbhAaXhHalhYcbhOincbaeydbgKaA9RaHRbbcpeGEaOfhOaHcefhHaeclfheaKhAaYcufgYmbkaOce4h8Fkcuada8F9RcifgTcx2aTc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhqascxfasyd2gecdtfaqBdbasaecefBd2cuaTcdtaTcFFFFi0Ecbyd;S1jjbHjjjjbbhSascxfasyd2gecdtfaSBdbasaecefBd2a5cbyd;S1jjbHjjjjbbh8Mascxfasyd2gecdtfa8MBdbasaecefBd2alcbyd;S1jjbHjjjjbbh9hascxfasyd2gecdtfa9hBdbasaecefBd2axaxNa8NJbbjZamclGEgcacN:vhnJbbbbh81dnadak9nmbdnaTci6mba8Jclth9iaqcwfh6Jbbbbh81inasclfabadalaQz:cjjjbabh8FcbhEcbh5inaba5cdtfh3cbheindnaQa8FaefydbgOcdtgifydbgYaQa3aec:W1jjbfydbcdtfydbgHcdtgwfydbgKSmbaXaHfRbbgLcv2aXaOfRbbgAfc;a1jjbfRbbg8AaAcv2aLfg8Lc;a1jjbfRbbg8KVcFeGTmbdnaKaY9nmba8Lcj1jjbfRbbcFeGmekaAcufhYdnaAaL9hmbaYcFeGce0mbahaifydbaH9hmekdndnaAclSmbaLcl9hmekdnaYcFeGce0mbahaifydbaH9hmdkaLcufcFeGce0mbagawfydbaO9hmekaqaEcx2fgAaHaOa8KcFeGgYEBdlaAaOaHaYEBdbaAaYa8AGcb9hBdwaEcefhEkaeclfgecx9hmbkdna5cifg5ad9pmba8Fcxfh8FaEcifaT9nmekkaETmdcbhiinJbbbbJbbjZaDaQaqaicx2fgAydlgKaAydbgYaAydwgHEgLcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaYaKaHEg8Fcx2fgHIdwgRNaeIdzaHIdbg8PNaeIdaMg8Sa8SMMaRNaeIdlaHIdlg8RNaeIdCaRNaeId3Mg8Sa8SMMa8RNaeIdba8PNaeIdxa8RNaeIdKMg8Sa8SMMa8PNaeId8KMMM:lNh80JbbbbJbbjZaDaQaYcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaKcx2fgHIdwg8VNaeIdzaHIdbg8WNaeIdaMg8Sa8SMMa8VNaeIdlaHIdlg8UNaeIdCa8VNaeId3Mg8Sa8SMMa8UNaeIdba8WNaeIdxa8UNaeIdKMg8Sa8SMMa8WNaeId8KMMM:lNh8YaAcwfh3aAclfhwdna8JTmbavaYc8S2fgOIdwa8VNaOIdza8WNaOIdaMg8Sa8SMMa8VNaOIdla8UNaOIdCa8VNaOId3Mg8Sa8SMMa8UNaOIdba8WNaOIdxa8UNaOIdKMg8Sa8SMMa8WNaOId8KMMMh8SayaKa8J2cdtfhHaraYa8J2cltfheaOIdyh8Xa8JhOinaHIdbgIaIa8XNaecxfIdba8VaecwfIdbNa8WaeIdbNa8UaeclfIdbNMMMgIaIM:tNa8SMh8SaHclfhHaeczfheaOcufgOmbkavaLc8S2fgOIdwaRNaOIdza8PNaOIdaMgIaIMMaRNaOIdla8RNaOIdCaRNaOId3MgIaIMMa8RNaOIdba8PNaOIdxa8RNaOIdKMgIaIMMa8PNaOId8KMMMhIaya8Fa8J2cdtfhHaraLa8J2cltfheaOIdyh8Wa8JhOinaHIdbg8Va8Va8WNaecxfIdbaRaecwfIdbNa8PaeIdbNa8RaeclfIdbNMMMg8Va8VM:tNaIMhIaHclfhHaeczfheaOcufgOmbka80aI:lMh80a8Ya8S:lMh8YkawaKa8Fa8Ya809FgeEBdbaAaYaLaeEBdba3a8Ya80aeEUdbaicefgiaE9hmbkasc;Wbfcbcj;qbz:ljjjb8Aa6heaEhHinasc;WbfaeydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbcefBdbaecxfheaHcufgHmbkcbhecbhHinasc;WbfaefgOydbhAaOaHBdbaAaHfhHaeclfgecj;qb9hmbkcbhea6hHinasc;WbfaHydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbgOcefBdbaSaOcdtfaeBdbaHcxfhHaEaecefge9hmbkadak9RgOci9Uh9kdnalTmbcbhea8MhHinaHaeBdbaHclfhHalaecefge9hmbkkcbh0a9hcbalz:ljjjbh9maOcO9Uh9na9kce4h9oasydwh9pcbh8KcbhwdninaqaSawcdtfydbcx2fg3Idwg8San9Emea8Ka9k9pmeJFFuuhIdna9oaE9pmbaqaSa9ocdtfydbcx2fIdwJbb;aZNhIkdna8SaI9ETmba8Sa819ETmba8Ka9n0mdkdna9maQa3ydlgicdtg9qfydbgAfg9rRbba9maQa3ydbgLcdtg9sfydbg9tfg9uRbbVmbaXaLfRbbh9vdna9ea9tcdtfgeclfydbgHaeydbgeSmbaHae9RhKa9paecitfheaaaAcx2fg8Lcwfh5a8Lclfh9waaa9tcx2fg8Acwfh9xa8Aclfh9ycbhHceh8Fdnindna8MaeydbcdtfydbgOaASmba8MaeclfydbcdtfydbgYaASmbaOaYSmbaaaYcx2fgYIdbaaaOcx2fgOIdbg8V:tg8Sa9yIdbaOIdlgR:tg8WNa8AIdba8V:tg8UaYIdlaR:tgIN:tg8Pa8Sa9wIdbaR:tg8XNa8LIdba8V:tg80aIN:tgRNaIa9xIdbaOIdwg8R:tg8YNa8WaYIdwa8R:tg8VN:tg8WaIa5Idba8R:tgBNa8Xa8VN:tgINa8Va8UNa8Ya8SN:tg8Ra8Va80NaBa8SN:tg8SNMMa8Pa8PNa8Wa8WNa8Ra8RNMMaRaRNaIaINa8Sa8SNMMN:rJbbj8: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:cjjjbkdndnadak0mbadhOxekdna9cmbadhOxekdna8Zan9FmbadhOxekina8ZJbb;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:rNUdbkasyd2gecdta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// embed! wasm
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cFeGTmbdnaKaY9nmba8Lcj1jjbfRbbcFeGmekaAcufhYdnaAaL9hmbaYcFeGce0mbahaifydbaH9hmekdndnaAclSmbaLcl9hmekdnaYcFeGce0mbahaifydbaH9hmdkaLcufcFeGce0mbagawfydbaO9hmekaDaEcx2fgAaHaOa8KcFeGgYEBdlaAaOaHaYEBdbaAaYa8AGcb9hBdwaEcefhEkaeclfgecx9hmbkdna5cifg5ad9pmba8Fcxfh8FaEcifaT9nmekkaETmdcbhiinJbbbbJbbjZaqaQaDaicx2fgAydlgKaAydbgYaAydwgHEgLcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaYaKaHEg8Fcx2fgHIdwgRNaeIdzaHIdbg8PNaeIdaMg8Sa8SMMaRNaeIdlaHIdlg8RNaeIdCaRNaeId3Mg8Sa8SMMa8RNaeIdba8PNaeIdxa8RNaeIdKMg8Sa8SMMa8PNaeId8KMMM:lNh80JbbbbJbbjZaqaQaYcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaKcx2fgHIdwg8VNaeIdzaHIdbg8WNaeIdaMg8Sa8SMMa8VNaeIdlaHIdlg8UNaeIdCa8VNaeId3Mg8Sa8SMMa8UNaeIdba8WNaeIdxa8UNaeIdKMg8Sa8SMMa8WNaeId8KMMM:lNh8YaAcwfh3aAclfhwdna8JTmbavaYc8S2fgOIdwa8VNaOIdza8WNaOIdaMg8Sa8SMMa8VNaOIdla8UNaOIdCa8VNaOId3Mg8Sa8SMMa8UNaOIdba8WNaOIdxa8UNaOIdKMg8Sa8SMMa8WNaOId8KMMMh8SayaKa8J2cdtfhHaraYa8J2cltfheaOIdyh8Xa8JhOinaHIdbgIaIa8XNaecxfIdba8VaecwfIdbNa8WaeIdbNa8UaeclfIdbNMMMgIaIM:tNa8SMh8SaHclfhHaeczfheaOcufgOmbkavaLc8S2fgOIdwaRNaOIdza8PNaOIdaMgIaIMMaRNaOIdla8RNaOIdCaRNaOId3MgIaIMMa8RNaOIdba8PNaOIdxa8RNaOIdKMgIaIMMa8PNaOId8KMMMhIaya8Fa8J2cdtfhHaraLa8J2cltfheaOIdyh8Wa8JhOinaHIdbg8Va8Va8WNaecxfIdbaRaecwfIdbNa8PaeIdbNa8RaeclfIdbNMMMg8Va8VM:tNaIMhIaHclfhHaeczfheaOcufgOmbka80aI:lMh80a8Ya8S:lMh8YkawaKa8Fa8Ya809FgeEBdbaAaYaLaeEBdba3a8Ya80aeEUdbaicefgiaE9hmbkasc;Wbfcbcj;qbz:ljjjb8Aa6heaEhHinasc;WbfaeydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbcefBdbaecxfheaHcufgHmbkcbhecbhHinasc;WbfaefgOydbhAaOaHBdbaAaHfhHaeclfgecj;qb9hmbkcbhea6hHinasc;WbfaHydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbgOcefBdbaSaOcdtfaeBdbaHcxfhHaEaecefge9hmbkadak9RgOci9Uh9kdnalTmbcbhea8MhHinaHaeBdbaHclfhHalaecefge9hmbkkcbh0a9hcbalz:ljjjbh9maOcO9Uh9na9kce4h9oasydwh9pcbh8KcbhwdninaDaSawcdtfydbcx2fg3Idwg8Sac9Emea8Ka9k9pmeJFFuuhIdna9oaE9pmbaDaSa9ocdtfydbcx2fIdwJbb;aZNhIkdna8SaI9ETmba8San9ETmba8Ka9n0mdkdna9maQa3ydlgicdtg9qfydbgAfg9rRbba9maQa3ydbgLcdtg9sfydbgHfg9tRbbVmbaXaLfRbbh9udna9eaHcdtfgeclfydbgOaeydbgeSmbaOae9RhKa9paecitfheaaaAcx2fg8Lcwfh5a8Lclfh9vaaaHcx2fg8Acwfh9wa8Aclfh9xcbhHceh8Fdnindna8MaeydbcdtfydbgOaASmba8MaeclfydbcdtfydbgYaASmbaOaYSmbaaaYcx2fgYIdbaaaOcx2fgOIdbg8V:tg8Sa9xIdbaOIdlgR:tg8WNa8AIdba8V:tg8UaYIdlaR:tgIN:tg8Pa8Sa9vIdbaR:tg8XNa8LIdba8V:tg80aIN:tgRNaIa9wIdbaOIdwg8R:tg8YNa8WaYIdwa8R:tg8VN:tg8WaIa5Idba8R:tg81Na8Xa8VN:tgINa8Va8UNa8Ya8SN:tg8Ra8Va80Na81a8SN:tg8SNMMa8Pa8PNa8Wa8WNa8Ra8RNMMaRaRNaIaINa8Sa8SNMMN:rJbbj8:N9FmdkaecwfheaHcefgHaK6h8FaKaH9hmbkka8FceGTmba9ocefh9oxeka3cwfhHdndndndna9uc9: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:va8SJbbbb9BEaeIdwaaa8Fcx2fgHIdwg8SNaeIdzaHIdbgINaeIdaMg8Va8VMMa8SNaeIdlaHIdlg8VNaeIdCa8SNaeId3Mg8Sa8SMMa8VNaeIdbaINaeIdxa8VNaeIdKMg8Sa8SMMaINaeId8KMMM: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:cjjjbkdndnadak0mbadhOxekdna9cmbadhOxekdna8Zac9FmbadhOxekina8ZJbb;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:rNUdbkasyd2gecdtascxffc98fhHdninaeTmeaHydbcbyd;O1jjbH:bjjjbbaHc98fhHaecufhexbkkasc;W;qbf8KjjjjbaOk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk:nCoDud99rue99lul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhPawcuaicdtgsaicFFFFi0Ecbyd;S1jjbHjjjjbbgzBdCawciBd2dndnar:ZgH:rJbbbZMgO:lJbbb9p9DTmbaO:Ohexekcjjjj94hekaicufhAc:bwhmcbhCadhXcbhQinaChLaeamgKcufaeaK9iEaPgDcefaeaD9kEhYdndnadTmbaYcuf:YhOaqhiaxheadhmindndnaiIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcCthCdndnaiclfIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhExekcjjjj94hEkaEcqtaCVhCdndnaicwfIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhExekcjjjj94hEkaeaCaEVBdbaicxfhiaeclfheamcufgmmbkazcFeasz:ljjjbh3cbh5cbh8Eindna3axa8EcdtfydbgCcm4aC7c:v;t;h;Ev2gics4ai7aAGgmcdtfgEydbgecuSmbaeaCSmbcehiina3amaifaAGgmcdtfgEydbgecuSmeaicefhiaeaC9hmbkkaEaCBdba5aecuSfh5a8Ecefg8Ead9hmbxdkkazcFeasz:ljjjb8Acbh5kaDaYa5ar0giEhPaLa5aiEhCdna5arSmbaYaKaiEgmaP9Rcd9imbdndnaQcl0mbdnaX:ZgOaL:Zg8A:taY:Yg8FaD:Y:tgaa8FaK:Y:tgha5:ZggaH:tNNNaOaH:tahNa8Aag:tNa8AaH:taaNagaO:tNM:va8FMJbbbZMgO:lJbbb9p9DTmbaO:Ohexdkcjjjj94hexekaPamfcd9Theka5aXaiEhXaQcefgQcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg8EBdKawclBd2aPcuf:Yh8AdndnadTmbaqhiaxheadhmindndnaiIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhCxekcjjjj94hCkaCcCthCdndnaiclfIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhExekcjjjj94hEkaEcqtaCVhCdndnaicwfIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhExekcjjjj94hEkaeaCaEVBdbaicxfhiaeclfheamcufgmmbkazcFeasz:ljjjbh3cbhDcbh5inaxa5cdtgYfydbgCcm4aC7c:v;t;h;Ev2gics4ai7hecbhidndnina3aeaAGgmcdtfgEydbgecuSmednaxaecdtgEfydbaCSmbaicefgiamfheaiaA9nmekka8EaEfydbhixekaEa5BdbaDhiaDcefhDka8EaYfaiBdba5cefg5ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekazcFeasz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhEavcd4hxdnadTmbdnalTmbaxcdth3a8EhCalheaqhmadhAinaEaCydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaCclfhCaea3fheamcxfhmaAcufgAmbxdkka8EhmaqheadhCinaEamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaCcufgCmbkkdnaDTmbaEhiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgO:vaOJbbbb9BEgONUdbaiclfgmaOamIdbNUdbaicwfgmaOamIdbNUdbaicxfgmaOamIdbNUdbaiczfgmaOamIdbNUdbaicCfgmaOamIdbNUdbaic3fhiaecufgembkkcbhCawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbg3Bd8KaecFeaYz:ljjjbh5dnadTmbJbbjZJbbjZa8A:vaPceSEaoNgOaONh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaEa8EydbgAc32fgiIdC:tgOaONamIdbaiIdx:tgOaONamIdlaiIdz:tgOaONMMNaqcwfIdbaiIdw:tgOaONaqIdbaiIdb:tgOaONaqclfIdbaiIdl:tgOaONMMMhOdndna5aAcdtgifgmydbcuSmba3aifIdbaO9ETmekamaCBdba3aifaOUdbka8Eclfh8EaeaxfheaqcxfhqadaCcefgC9hmbkkaba5aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oeeebeebebbeeebebbbbbebebbbbbbbbbebbbdbbbbbbbebbbebbbdbbbbbbbbbbbeeeeebebbebbebebbbeebbbbbbbbbbbbbbbbbbbbbc;OwkxebbbdbbbjNbb'; // embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index e3be809e84..7f183f92b7 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -4,7 +4,7 @@ var MeshoptSimplifier = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
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dtfydbgOfRbbhedndnaXaKaHfydbgCfRbbgAc99fcFeGcpe0mbaeceSmbaecd9hmekdnaAcufcFeGce0mbahaCcdtfydbaO9hmekdnaecufcFeGce0mbagaOcdtfydbaC9hmekdnaAcv2aefcj1jjbfRbbTmbaQaOcdtfydbaQaCcdtfydb0mekJbbacJbbacJbbjZaeceSEaAceSEh8ZdnaaaYaHc:K1jjbfydbcdtfydbcx2fgeIdwaaaCcx2fgAIdwg8R:tg8VaaaOcx2fgLIdwa8R:tg8Sa8SNaLIdbaAIdbg8W:tgIaINaLIdlaAIdlg8U:tgRaRNMMg8PNa8Va8SNaeIdba8W:tg80aINaRaeIdla8U:tg8YNMMg8Xa8SN:tg8Va8VNa80a8PNa8XaIN:tg8Sa8SNa8Ya8PNa8XaRN:tgIaINMM:rgRJbbbb9ETmba8VaR:vh8VaIaR:vhIa8SaR:vh8SkaDaQaCcdtfydbc8S2fgea8Sa8Za8P:rNgRa8SNNg8XaeIdbMUdbaeaIaRaINg8ZNg80aeIdlMUdlaea8VaRa8VNg8PNg8YaeIdwMUdwaea8Za8SNg8ZaeIdxMUdxaea8Pa8SNg81aeIdzMUdzaea8PaINgBaeIdCMUdCaea8SaRa8Va8RNa8Sa8WNa8UaINMM:mg8RNg8PNg8SaeIdKMUdKaeaIa8PNgIaeId3MUd3aea8Va8PNg8VaeIdaMUdaaea8Pa8RNg8PaeId8KMUd8KaeaRaeIdyMUdyaDaQaOcdtfydbc8S2fgea8XaeIdbMUdbaea80aeIdlMUdlaea8YaeIdwMUdwaea8ZaeIdxMUdxaea81aeIdzMUdzaeaBaeIdCMUdCaea8SaeIdKMUdKaeaIaeId3MUd3aea8VaeIdaMUdaaea8PaeId8KMUd8KaeaRaeIdyMUdykaHclfgHcx9hmbkaKcxfhKaicifgiad6mbkdna8JTmbcbhKinJbbbbh8WaaabaKcdtfgeclfydbgLcx2fgHIdwaaaeydbgicx2fgOIdwg8Y:tgIaINaHIdbaOIdbg81:tg8Va8VNaHIdlaOIdlgB:tgRaRNMMg8Zaaaecwfydbg8Fcx2fgeIdwa8Y:tg8PNaIaIa8PNa8VaeIdba81:tg8RNaRaeIdlaB:tg8UNMMg8SN:tJbbbbJbbjZa8Za8Pa8PNa8Ra8RNa8Ua8UNMMg80Na8Sa8SN:tg8X:va8XJbbbb9BEg8XNh83a80aINa8Pa8SN:ta8XNhUa8Za8UNaRa8SN:ta8XNh85a80aRNa8Ua8SN:ta8XNh86a8Za8RNa8Va8SN:ta8XNh87a80a8VNa8Ra8SN:ta8XNh88a8Va8UNa8RaRN:tg8Sa8SNaRa8PNa8UaIN:tg8Sa8SNaIa8RNa8Pa8VN:tg8Sa8SNMM:rJbbbZNh8Sayaia8J2g3cdtfhHaya8Fa8J2gwcdtfhOayaLa8J2g8LcdtfhCa8Y:mh89aB:mh8:a81:mhZcbhAa8JhYJbbbbh8UJbbbbh8XJbbbbh8ZJbbbbh80Jbbbbh8YJbbbbh81JbbbbhBJbbbbhnJbbbbhcinasc;WbfaAfgecwfa8SaUaCIdbaHIdbg8P:tgRNa83aOIdba8P:tg8RNMgINUdbaeclfa8Sa86aRNa85a8RNMg8VNUdbaea8Sa88aRNa87a8RNMgRNUdbaecxfa8Sa89aINa8: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;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkara8LcltfhYcbhHa8JhCinaYaHfgeasc;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkarawcltfhYcbhHa8JhCinaYaHfgeasc;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkaKcifgKad6mbkkcbhOxekcehOcbhrkcbh8FdndnamcwGg9cmbJbbbbh8ZcbhJcbhocbhCxekcbhea5cbyd;S1jjbHjjjjbbhCascxfasyd2gHcdtfaCBdbasaHcefBd2dnalTmbaChHinaHaeBdbaHclfhHalaecefge9hmbkkdnaOmbcbhiinabaicdtfhLcbhKinaQaLaKcdtgec: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;S1jjbHjjjjbbhoascxfasyd2gHcdtfaoBdbasaHcefBd2aocbaez:ljjjbhAdnalTmbaChOaahealhYinaecwfIdbh8SaeclfIdbhIaAaOydbcltfgHaeIdbaHIdbMUdbaHclfgKaIaKIdbMUdbaHcwfgKa8SaKIdbMUdbaHcxfgHaHIdbJbbjZMUdbaOclfhOaecxfheaYcufgYmbkkdnaJTmbaAheaJhHinaecxfgOIdbh8SaOcbBdbaeaeIdbJbbbbJbbjZa8S:va8SJbbbb9BEg8SNUdbaeclfgOa8SaOIdbNUdbaecwfgOa8SaOIdbNUdbaeczfheaHcufgHmbkkdnalTmbaChOaahealhYinaAaOydbcltfgHcxfgKaecwfIdbaHcwfIdb:tg8Sa8SNaeIdbaHIdb:tg8Sa8SNaeclfIdbaHclfIdb:tg8Sa8SNMMg8SaKIdbgIaIa8S9DEUdbaOclfhOaecxfheaYcufgYmbkkdnaJmbcbhJJFFuuh8ZxekaAcxfheaAhHaJhOinaHaeIdbUdbaeczfheaHclfhHaOcufgOmbkJFFuuh8ZaAheaJhHinaeIdbg8Sa8Za8Za8S9EEh8ZaeclfheaHcufgHmbkkasydlh9ednalTmba9eclfhea9eydbhAaXhHalhYcbhOincbaeydbgKaA9RaHRbbcpeGEaOfhOaHcefhHaeclfheaKhAaYcufgYmbkaOce4h8Fkcuada8F9RcifgTcx2aTc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhqascxfasyd2gecdtfaqBdbasaecefBd2cuaTcdtaTcFFFFi0Ecbyd;S1jjbHjjjjbbhSascxfasyd2gecdtfaSBdbasaecefBd2a5cbyd;S1jjbHjjjjbbh8Mascxfasyd2gecdtfa8MBdbasaecefBd2alcbyd;S1jjbHjjjjbbh9hascxfasyd2gecdtfa9hBdbasaecefBd2axaxNa8NJbbjZamclGEgcacN:vhnJbbbbh81dnadak9nmbdnaTci6mba8Jclth9iaqcwfh6Jbbbbh81inasclfabadalaQz:cjjjbabh8FcbhEcbh5inaba5cdtfh3cbheindnaQa8FaefydbgOcdtgifydbgYaQa3aec:W1jjbfydbcdtfydbgHcdtgwfydbgKSmbaXaHfRbbgLcv2aXaOfRbbgAfc;a1jjbfRbbg8AaAcv2aLfg8Lc;a1jjbfRbbg8KVcFeGTmbdnaKaY9nmba8Lcj1jjbfRbbcFeGmekaAcufhYdnaAaL9hmbaYcFeGce0mbahaifydbaH9hmekdndnaAclSmbaLcl9hmekdnaYcFeGce0mbahaifydbaH9hmdkaLcufcFeGce0mbagawfydbaO9hmekaqaEcx2fgAaHaOa8KcFeGgYEBdlaAaOaHaYEBdbaAaYa8AGcb9hBdwaEcefhEkaeclfgecx9hmbkdna5cifg5ad9pmba8Fcxfh8FaEcifaT9nmekkaETmdcbhiinJbbbbJbbjZaDaQaqaicx2fgAydlgKaAydbgYaAydwgHEgLcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaYaKaHEg8Fcx2fgHIdwgRNaeIdzaHIdbg8PNaeIdaMg8Sa8SMMaRNaeIdlaHIdlg8RNaeIdCaRNaeId3Mg8Sa8SMMa8RNaeIdba8PNaeIdxa8RNaeIdKMg8Sa8SMMa8PNaeId8KMMM:lNh80JbbbbJbbjZaDaQaYcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaKcx2fgHIdwg8VNaeIdzaHIdbg8WNaeIdaMg8Sa8SMMa8VNaeIdlaHIdlg8UNaeIdCa8VNaeId3Mg8Sa8SMMa8UNaeIdba8WNaeIdxa8UNaeIdKMg8Sa8SMMa8WNaeId8KMMM:lNh8YaAcwfh3aAclfhwdna8JTmbavaYc8S2fgOIdwa8VNaOIdza8WNaOIdaMg8Sa8SMMa8VNaOIdla8UNaOIdCa8VNaOId3Mg8Sa8SMMa8UNaOIdba8WNaOIdxa8UNaOIdKMg8Sa8SMMa8WNaOId8KMMMh8SayaKa8J2cdtfhHaraYa8J2cltfheaOIdyh8Xa8JhOinaHIdbgIaIa8XNaecxfIdba8VaecwfIdbNa8WaeIdbNa8UaeclfIdbNMMMgIaIM:tNa8SMh8SaHclfhHaeczfheaOcufgOmbkavaLc8S2fgOIdwaRNaOIdza8PNaOIdaMgIaIMMaRNaOIdla8RNaOIdCaRNaOId3MgIaIMMa8RNaOIdba8PNaOIdxa8RNaOIdKMgIaIMMa8PNaOId8KMMMhIaya8Fa8J2cdtfhHaraLa8J2cltfheaOIdyh8Wa8JhOinaHIdbg8Va8Va8WNaecxfIdbaRaecwfIdbNa8PaeIdbNa8RaeclfIdbNMMMg8Va8VM:tNaIMhIaHclfhHaeczfheaOcufgOmbka80aI:lMh80a8Ya8S:lMh8YkawaKa8Fa8Ya809FgeEBdbaAaYaLaeEBdba3a8Ya80aeEUdbaicefgiaE9hmbkasc;Wbfcbcj;qbz:ljjjb8Aa6heaEhHinasc;WbfaeydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbcefBdbaecxfheaHcufgHmbkcbhecbhHinasc;WbfaefgOydbhAaOaHBdbaAaHfhHaeclfgecj;qb9hmbkcbhea6hHinasc;WbfaHydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbgOcefBdbaSaOcdtfaeBdbaHcxfhHaEaecefge9hmbkadak9RgOci9Uh9kdnalTmbcbhea8MhHinaHaeBdbaHclfhHalaecefge9hmbkkcbh0a9hcbalz:ljjjbh9maOcO9Uh9na9kce4h9oasydwh9pcbh8KcbhwdninaqaSawcdtfydbcx2fg3Idwg8San9Emea8Ka9k9pmeJFFuuhIdna9oaE9pmbaqaSa9ocdtfydbcx2fIdwJbb;aZNhIkdna8SaI9ETmba8Sa819ETmba8Ka9n0mdkdna9maQa3ydlgicdtg9qfydbgAfg9rRbba9maQa3ydbgLcdtg9sfydbg9tfg9uRbbVmbaXaLfRbbh9vdna9ea9tcdtfgeclfydbgHaeydbgeSmbaHae9RhKa9paecitfheaaaAcx2fg8Lcwfh5a8Lclfh9waaa9tcx2fg8Acwfh9xa8Aclfh9ycbhHceh8Fdnindna8MaeydbcdtfydbgOaASmba8MaeclfydbcdtfydbgYaASmbaOaYSmbaaaYcx2fgYIdbaaaOcx2fgOIdbg8V:tg8Sa9yIdbaOIdlgR:tg8WNa8AIdba8V:tg8UaYIdlaR:tgIN:tg8Pa8Sa9wIdbaR:tg8XNa8LIdba8V:tg80aIN:tgRNaIa9xIdbaOIdwg8R:tg8YNa8WaYIdwa8R:tg8VN:tg8WaIa5Idba8R:tgBNa8Xa8VN:tgINa8Va8UNa8Ya8SN:tg8Ra8Va80NaBa8SN:tg8SNMMa8Pa8PNa8Wa8WNa8Ra8RNMMaRaRNaIaINa8Sa8SNMMN:rJbbj8: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:cjjjbkdndnadak0mbadhOxekdna9cmbadhOxekdna8Zan9FmbadhOxekina8ZJbb;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:rNUdbkasyd2gecdta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// embed! wasm
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cFeGTmbdnaKaY9nmba8Lcj1jjbfRbbcFeGmekaAcufhYdnaAaL9hmbaYcFeGce0mbahaifydbaH9hmekdndnaAclSmbaLcl9hmekdnaYcFeGce0mbahaifydbaH9hmdkaLcufcFeGce0mbagawfydbaO9hmekaDaEcx2fgAaHaOa8KcFeGgYEBdlaAaOaHaYEBdbaAaYa8AGcb9hBdwaEcefhEkaeclfgecx9hmbkdna5cifg5ad9pmba8Fcxfh8FaEcifaT9nmekkaETmdcbhiinJbbbbJbbjZaqaQaDaicx2fgAydlgKaAydbgYaAydwgHEgLcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaYaKaHEg8Fcx2fgHIdwgRNaeIdzaHIdbg8PNaeIdaMg8Sa8SMMaRNaeIdlaHIdlg8RNaeIdCaRNaeId3Mg8Sa8SMMa8RNaeIdba8PNaeIdxa8RNaeIdKMg8Sa8SMMa8PNaeId8KMMM:lNh80JbbbbJbbjZaqaQaYcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaKcx2fgHIdwg8VNaeIdzaHIdbg8WNaeIdaMg8Sa8SMMa8VNaeIdlaHIdlg8UNaeIdCa8VNaeId3Mg8Sa8SMMa8UNaeIdba8WNaeIdxa8UNaeIdKMg8Sa8SMMa8WNaeId8KMMM:lNh8YaAcwfh3aAclfhwdna8JTmbavaYc8S2fgOIdwa8VNaOIdza8WNaOIdaMg8Sa8SMMa8VNaOIdla8UNaOIdCa8VNaOId3Mg8Sa8SMMa8UNaOIdba8WNaOIdxa8UNaOIdKMg8Sa8SMMa8WNaOId8KMMMh8SayaKa8J2cdtfhHaraYa8J2cltfheaOIdyh8Xa8JhOinaHIdbgIaIa8XNaecxfIdba8VaecwfIdbNa8WaeIdbNa8UaeclfIdbNMMMgIaIM:tNa8SMh8SaHclfhHaeczfheaOcufgOmbkavaLc8S2fgOIdwaRNaOIdza8PNaOIdaMgIaIMMaRNaOIdla8RNaOIdCaRNaOId3MgIaIMMa8RNaOIdba8PNaOIdxa8RNaOIdKMgIaIMMa8PNaOId8KMMMhIaya8Fa8J2cdtfhHaraLa8J2cltfheaOIdyh8Wa8JhOinaHIdbg8Va8Va8WNaecxfIdbaRaecwfIdbNa8PaeIdbNa8RaeclfIdbNMMMg8Va8VM:tNaIMhIaHclfhHaeczfheaOcufgOmbka80aI:lMh80a8Ya8S:lMh8YkawaKa8Fa8Ya809FgeEBdbaAaYaLaeEBdba3a8Ya80aeEUdbaicefgiaE9hmbkasc;Wbfcbcj;qbz:ljjjb8Aa6heaEhHinasc;WbfaeydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbcefBdbaecxfheaHcufgHmbkcbhecbhHinasc;WbfaefgOydbhAaOaHBdbaAaHfhHaeclfgecj;qb9hmbkcbhea6hHinasc;WbfaHydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbgOcefBdbaSaOcdtfaeBdbaHcxfhHaEaecefge9hmbkadak9RgOci9Uh9kdnalTmbcbhea8MhHinaHaeBdbaHclfhHalaecefge9hmbkkcbh0a9hcbalz:ljjjbh9maOcO9Uh9na9kce4h9oasydwh9pcbh8KcbhwdninaDaSawcdtfydbcx2fg3Idwg8Sac9Emea8Ka9k9pmeJFFuuhIdna9oaE9pmbaDaSa9ocdtfydbcx2fIdwJbb;aZNhIkdna8SaI9ETmba8San9ETmba8Ka9n0mdkdna9maQa3ydlgicdtg9qfydbgAfg9rRbba9maQa3ydbgLcdtg9sfydbgHfg9tRbbVmbaXaLfRbbh9udna9eaHcdtfgeclfydbgOaeydbgeSmbaOae9RhKa9paecitfheaaaAcx2fg8Lcwfh5a8Lclfh9vaaaHcx2fg8Acwfh9wa8Aclfh9xcbhHceh8Fdnindna8MaeydbcdtfydbgOaASmba8MaeclfydbcdtfydbgYaASmbaOaYSmbaaaYcx2fgYIdbaaaOcx2fgOIdbg8V:tg8Sa9xIdbaOIdlgR:tg8WNa8AIdba8V:tg8UaYIdlaR:tgIN:tg8Pa8Sa9vIdbaR:tg8XNa8LIdba8V:tg80aIN:tgRNaIa9wIdbaOIdwg8R:tg8YNa8WaYIdwa8R:tg8VN:tg8WaIa5Idba8R:tg81Na8Xa8VN:tgINa8Va8UNa8Ya8SN:tg8Ra8Va80Na81a8SN:tg8SNMMa8Pa8PNa8Wa8WNa8Ra8RNMMaRaRNaIaINa8Sa8SNMMN:rJbbj8:N9FmdkaecwfheaHcefgHaK6h8FaKaH9hmbkka8FceGTmba9ocefh9oxeka3cwfhHdndndndna9uc9: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:va8SJbbbb9BEaeIdwaaa8Fcx2fgHIdwg8SNaeIdzaHIdbgINaeIdaMg8Va8VMMa8SNaeIdlaHIdlg8VNaeIdCa8SNaeId3Mg8Sa8SMMa8VNaeIdbaINaeIdxa8VNaeIdKMg8Sa8SMMaINaeId8KMMM: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:cjjjbkdndnadak0mbadhOxekdna9cmbadhOxekdna8Zac9FmbadhOxekina8ZJbb;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:rNUdbkasyd2g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fheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oeeebeebebbeeebebbbbbebebbbbbbbbbebbbdbbbbbbbebbbebbbdbbbbbbbbbbbeeeeebebbebbebebbbeebbbbbbbbbbbbbbbbbbbbbc;OwkxebbbdbbbjNbb'; // embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,

From 7f936ad1b51ddc1f45c3e852453aeee58778931b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 15 Oct 2024 15:11:53 -0700
Subject: [PATCH 372/581] Update README.md

Minor copy-editing of "advanced compression" section and extract
exponential modes into a nested list.
---
 README.md | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/README.md b/README.md
index 10f583c15a..fbba91fed4 100644
--- a/README.md
+++ b/README.md
@@ -228,25 +228,29 @@ Both vertex and index codecs are designed to be used in a three-stage pipeline:
 
 The preparation stage is crucial for achieving good compression ratios; this section will cover some techniques that can be used to improve the results.
 
-Index codec targets 1 byte per triangle as a best case; on real-world data it's typical to get 1-1.2 bytes per triangle. To achieve this, the data needs to be optimized for vertex cache and vertex fetch. Optimizations that do not disrupt triangle locality (such as overdraw) are safe to use in between.
+The index codec targets 1 byte per triangle as a best case; on real-world data, it's typical to achieve 1-1.2 bytes per triangle. To reach this, the data needs to be optimized for vertex cache and vertex fetch. Optimizations that do not disrupt triangle locality (such as overdraw) are safe to use in between.
 To reduce the data size further, it's possible to use `meshopt_optimizeVertexCacheStrip` instead of `meshopt_optimizeVertexCache` when optimizing for vertex cache. This trades off some efficiency in vertex transform for smaller vertex and index data.
 
-When referenced vertex indices are not sequential, index codec will use around 2 bytes per index. This can happen when the referenced vertices are a sparse subset of the vertex buffer, such as when encoding LODs. General purpose compression can be especially helpful in this case.
+When referenced vertex indices are not sequential, the index codec will use around 2 bytes per index. This can happen when the referenced vertices are a sparse subset of the vertex buffer, such as when encoding LODs. General-purpose compression can be especially helpful in this case.
 
-Vertex codec tries to take advantage of the inherent locality of sequential vertices, and identify bit patterns that repeat in consecutive vertices. Typically, vertex cache + vertex fetch provides a reasonably local vertex traversal order; without an index buffer it is recommended to sort vertices spatially to improve the compression ratio.
+The vertex codec tries to take advantage of the inherent locality of sequential vertices and identify bit patterns that repeat in consecutive vertices. Typically, vertex cache + vertex fetch provides a reasonably local vertex traversal order; without an index buffer, it is recommended to sort vertices spatially to improve the compression ratio.
 It is crucial to correctly specify the stride when encoding vertex data; however, it does not matter whether the vertices are interleaved or deinterleaved, as the codecs perform full byte deinterleaving internally.
 
-For optimal compression results the values must be quantized to small integers; it can be valuable to use bit counts that are not multiples of 8, for example instead of using 16 bits to represent texture coordinates, use 12 bit integers and divide by 4095 in the shader. Alternatively, using half precision floats can often achieve good results.
-For single precision floating point data, it's recommended to use `meshopt_quantizeFloat` to remove entropy from the lower bits of the mantissa; due to current limitations of the codec, the bit count needs to be 15 (23-8) for good results (7 can be used for more extreme compression).
-For normal or tangent vectors, using octahedral encoding is recommended over three components as it reduces redundancy; similarly to other quantized values, consider using 10-12 bits per component instead of 16.
+For optimal compression results, the values must be quantized to small integers. It can be valuable to use bit counts that are not multiples of 8. For example, instead of using 16 bits to represent texture coordinates, use 12-bit integers and divide by 4095 in the shader. Alternatively, using half-precision floats can often achieve good results.
+For single-precision floating-point data, it's recommended to use `meshopt_quantizeFloat` to remove entropy from the lower bits of the mantissa. Due to current limitations of the codec, the bit count needs to be 15 (23-8) for good results (7 can be used for more extreme compression).
+For normal or tangent vectors, using octahedral encoding is recommended over three components as it reduces redundancy. Similarly to other quantized values, consider using 10-12 bits per component instead of 16.
 
-> Note: vertex codec v0 is limited to taking advantage of redundancy in high bits of each byte; because of this, packing multiple 10-bit values into 32 bits will reduce compression ratio, and when storing a 12-bit value in 16 bits, high bits should be zeroed out. This limitation may be lifted in future versions of the codec.
+> Note: vertex codec v0 is limited to taking advantage of redundancy in high bits of each byte. Because of this, packing multiple 10-bit values into 32 bits will reduce compression ratio, and when storing a 12-bit value in 16 bits, high bits should be zeroed out. This limitation may be lifted in future versions of the codec.
 
-To take further advantage of inherent structure of some data, preparation stage can use filters that encode and decode the data in a lossy manner; this is similar to quantization, but can be used without having to change the shader code. After decoding, the filter transformation needs to be reversed. This library provides three filters:
+To further leverage the inherent structure of some data, the preparation stage can use filters that encode and decode the data in a lossy manner. This is similar to quantization but can be used without having to change the shader code. After decoding, the filter transformation needs to be reversed. This library provides three filters:
 
 - Octahedral filter (`meshopt_encodeFilterOct`/`meshopt_decodeFilterOct`) encodes quantized (snorm) normal or tangent vectors using octahedral encoding. Any number of bits <= 16 can be used with 4 bytes or 8 bytes per vector.
 - Quaternion filter (`meshopt_encodeFilterQuat`/`meshopt_decodeFilterQuat`) encodes quantized (snorm) quaternion vectors; this can be used to encode rotations or tangent frames. Any number of bits between 4 and 16 can be used with 8 bytes per vector.
-- Exponential filter (`meshopt_encodeFilterExp`/`meshopt_decodeFilterExp`) encodes single precision floating point vectors; this can be used to encode arbitrary floating point data more efficiently. In addition to an arbitrary bit count (<= 24), the filter takes a "mode" parameter that allows to specify how the exponent sharing is performed; `meshopt_EncodeExpSeparate` does not share exponents and results in largest output, `meshopt_EncodeExpSharedVector` shares exponents between different components of the same vector, `meshopt_EncodeExpSharedComponent` shares exponents between the same component in different vectors. The mode allows to trade off compression ratio and quality.
+- Exponential filter (`meshopt_encodeFilterExp`/`meshopt_decodeFilterExp`) encodes single-precision floating-point vectors; this can be used to encode arbitrary floating-point data more efficiently. In addition to an arbitrary bit count (<= 24), the filter takes a "mode" parameter that allows specifying how the exponent sharing is performed to trade off compression ratio and quality:
+
+    - `meshopt_EncodeExpSeparate` does not share exponents and results in the largest output
+    - `meshopt_EncodeExpSharedVector` shares exponents between different components of the same vector
+    - `meshopt_EncodeExpSharedComponent` shares exponents between the same component in different vectors
 
 Note that all filters are lossy and require the data to be deinterleaved with one attribute per stream; this faciliates efficient SIMD implementation of filter decoders, allowing the overall decompression speed to be close to that of the raw codec.
 

From 5d90b592dcf438641fa37218e6a4ac72ce6b81e9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 16 Oct 2024 08:39:33 -0700
Subject: [PATCH 373/581] gltfpack: Avoid searching for duplicate geometry when
 there's none

While on most scenes our strategy performs reasonably well, and we
already have some potential N^2 processing elsewhere, there are cases
where the existing N^2 algorithms in the pipeline are actually
semi-linear, because mesh merging lazily and effectively aggregates most
meshes; since deduplication is the first pass, it may actually be
quadratic in the face of a scene with a lot of meshes.

A simple fix is to track the number of occurences of each hash and only
search for duplicates for meshes where this value is >1. We could of
course implement more involved tracking but for now this works just
fine.
---
 gltf/mesh.cpp | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 0de6ec6f89..89536092d0 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -2,6 +2,7 @@
 #include "gltfpack.h"
 
 #include <algorithm>
+#include <unordered_map>
 
 #include <math.h>
 #include <stdint.h>
@@ -355,8 +356,15 @@ static bool canDedupMesh(const Mesh& mesh)
 
 void dedupMeshes(std::vector<Mesh>& meshes)
 {
+	std::unordered_map<uint64_t, int> hashes;
+
 	for (size_t i = 0; i < meshes.size(); ++i)
-		hashMesh(meshes[i]);
+	{
+		Mesh& mesh = meshes[i];
+
+		hashMesh(mesh);
+		hashes[mesh.geometry_hash[0] ^ mesh.geometry_hash[1]]++;
+	}
 
 	for (size_t i = 0; i < meshes.size(); ++i)
 	{
@@ -365,6 +373,9 @@ void dedupMeshes(std::vector<Mesh>& meshes)
 		if (!canDedupMesh(target))
 			continue;
 
+		if (hashes[target.geometry_hash[0] ^ target.geometry_hash[1]] <= 1)
+			continue;
+
 		for (size_t j = i + 1; j < meshes.size(); ++j)
 		{
 			Mesh& mesh = meshes[j];

From 98c9b1abac312f12d8ac1cd192dabf2677046169 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 16 Oct 2024 08:42:09 -0700
Subject: [PATCH 374/581] gltfpack: Switch primitive cache to
 std::unordered_map

Neither std::map nor std::unordered_map are particularly good
containers, but since we're now using unordered_map for deduplication
filtering we might as well use it for the primitive cache. This requires
a custom hash function for pair<uint64, uint64>, but our hash halves are
sufficiently decorellated that a xor suffices.
---
 gltf/gltfpack.cpp | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 202fd77213..d45a42b7eb 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -2,7 +2,7 @@
 #include "gltfpack.h"
 
 #include <algorithm>
-#include <map>
+#include <unordered_map>
 
 #include <locale.h>
 #include <stdint.h>
@@ -329,6 +329,18 @@ static bool isExtensionSupported(const ExtensionInfo* extensions, size_t count,
 	return false;
 }
 
+namespace std
+{
+template <>
+struct hash<std::pair<uint64_t, uint64_t> >
+{
+	size_t operator()(const std::pair<uint64_t, uint64_t>& x) const
+	{
+		return std::hash<uint64_t>()(x.first ^ x.second);
+	}
+};
+} // namespace std
+
 static void process(cgltf_data* data, const char* input_path, const char* output_path, const char* report_path, std::vector<Mesh>& meshes, std::vector<Animation>& animations, const Settings& settings, std::string& json, std::string& bin, std::string& fallback, size_t& fallback_size)
 {
 	if (settings.verbose)
@@ -565,7 +577,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		ext_texture_transform = ext_texture_transform || mi.uses_texture_transform;
 	}
 
-	std::map<std::pair<uint64_t, uint64_t>, std::pair<size_t, size_t> > primitive_cache;
+	std::unordered_map<std::pair<uint64_t, uint64_t>, std::pair<size_t, size_t> > primitive_cache;
 
 	for (size_t i = 0; i < meshes.size(); ++i)
 	{

From 288bd2e86e5065edeeff479bc20e4c0f2d7c7656 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 16 Oct 2024 08:43:25 -0700
Subject: [PATCH 375/581] gltfpack: Filter duplicate nodes after merging node
 lists

This almost never comes up in practice, but occasionally scenes might
have the same geometry attached to the same nodes. This results in
counterintuitive results because we create node lists with duplicate
nodes for this, which never happened before, and end up producing more
quantization sub-nodes than necessary.

For now we can just filter these attachments out to avoid redundancy.
---
 gltf/mesh.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 89536092d0..233443a386 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -408,6 +408,16 @@ void dedupMeshes(std::vector<Mesh>& meshes)
 			mesh.instances.clear();
 		}
 	}
+
+	for (size_t i = 0; i < meshes.size(); ++i)
+	{
+		Mesh& target = meshes[i];
+		if (target.nodes.size() <= 1)
+			continue;
+
+		std::sort(target.nodes.begin(), target.nodes.end());
+		target.nodes.erase(std::unique(target.nodes.begin(), target.nodes.end()), target.nodes.end());
+	}
 }
 
 void mergeMeshInstances(Mesh& mesh)

From 7a88aff0ca5e6c8b6a3958cd301ae31c1460578e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 16 Oct 2024 08:44:48 -0700
Subject: [PATCH 376/581] gltfpack: Work around clang-tidy report

clang-tidy complains that we're dividing an integer by 3 before a float
cast; this is correct as the division is exact, and a cast silences it.
---
 gltf/mesh.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 233443a386..c4899dcb78 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -780,7 +780,7 @@ static void simplifyMesh(Mesh& mesh, float threshold, float error, bool attribut
 
 	size_t vertex_count = mesh.streams[0].data.size();
 
-	size_t target_index_count = size_t(double(mesh.indices.size() / 3) * threshold) * 3;
+	size_t target_index_count = size_t(double(size_t(mesh.indices.size() / 3)) * threshold) * 3;
 	float target_error = error;
 	float target_error_aggressive = 1e-1f;
 

From 13317f4fdb03b427058276e2bba1af17a6878120 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 17 Oct 2024 07:54:54 -0700
Subject: [PATCH 377/581] Expand gltfpack coverage further

Add coverage for floating point stream encoding, keep_nodes and mtllib
parsing (as well as error image handling as the jpeg doesn't exist)
---
 .github/workflows/build.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a1df56a084..93641ecba0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -168,6 +168,7 @@ jobs:
           ./gltfpack -test demo/pirate.obj -sd 0.5 -md 64
           ./gltfpack -test demo/pirate.obj -noq
           ./gltfpack -test demo/pirate.obj -vp 16 -vt 16 -vn 16 -vc 16
+          ./gltfpack -test demo/pirate.obj -vpf -vtf -vnf
           ./gltfpack -test glTF-Sample-Assets/Models/ABeautifulGame/glTF/ABeautifulGame.gltf -mi -c
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -vpf -vtf -c
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -vpf -vtf -cc
@@ -179,6 +180,11 @@ jobs:
           ./gltfpack -test glTF-Sample-Assets/Models/PrimitiveModeNormalsTest/glTF/PrimitiveModeNormalsTest.gltf -si 0.5
           ./gltfpack -test glTF-Sample-Assets/Models/VertexColorTest/glTF/VertexColorTest.gltf -si 0.5 -sv
           ./gltfpack -test glTF-Sample-Assets/Models/SimpleMeshes/glTF/SimpleMeshes.gltf -mm
+          ./gltfpack -test glTF-Sample-Assets/Models/SimpleMeshes/glTF/SimpleMeshes.gltf -kn
+          echo newmtl Leather > demo/pirate.mtl
+          echo map_Kd leather.jpg >> demo/pirate.mtl
+          echo map_d leather.jpg >> demo/pirate.mtl
+          ./gltfpack -test demo/pirate.obj
       - name: test output
         run: |
           ./gltfpack || true

From 2afc22c3c76b9cada0c9c0edb58d0aa3d1cfd0f6 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 17 Oct 2024 10:35:01 -0700
Subject: [PATCH 378/581] gltfpack: Switch from manual encodeOct to
 meshopt_encodeFilterOct

This streamlines the code and preserves the output exactly as
meshopt_encodeFilterOct does the same transformations.
---
 gltf/stream.cpp | 124 ++++++++++++++++--------------------------------
 1 file changed, 42 insertions(+), 82 deletions(-)

diff --git a/gltf/stream.cpp b/gltf/stream.cpp
index 57a175b190..63cf08a1f2 100644
--- a/gltf/stream.cpp
+++ b/gltf/stream.cpp
@@ -245,21 +245,6 @@ static void renormalizeWeights(uint8_t (&w)[4])
 	w[max] += uint8_t(255 - sum);
 }
 
-static void encodeOct(int& fu, int& fv, float nx, float ny, float nz, int bits)
-{
-	float nl = fabsf(nx) + fabsf(ny) + fabsf(nz);
-	float ns = nl == 0.f ? 0.f : 1.f / nl;
-
-	nx *= ns;
-	ny *= ns;
-
-	float u = (nz >= 0.f) ? nx : (1 - fabsf(ny)) * (nx >= 0.f ? 1.f : -1.f);
-	float v = (nz >= 0.f) ? ny : (1 - fabsf(nx)) * (ny >= 0.f ? 1.f : -1.f);
-
-	fu = meshopt_quantizeSnorm(u, bits);
-	fv = meshopt_quantizeSnorm(v, bits);
-}
-
 static void encodeQuat(int16_t v[4], const Attr& a, int bits)
 {
 	const float scaler = sqrtf(2.f);
@@ -555,59 +540,39 @@ StreamFormat writeVertexStream(std::string& bin, const Stream& stream, const Qua
 
 		StreamFormat::Filter filter = oct ? StreamFormat::Filter_Oct : StreamFormat::Filter_None;
 
-		for (size_t i = 0; i < stream.data.size(); ++i)
+		if (oct)
 		{
-			const Attr& a = stream.data[i];
-
-			float nx = a.f[0], ny = a.f[1], nz = a.f[2];
-
-			if (bits > 8)
+			size_t offset = bin.size();
+			size_t stride = bits > 8 ? 8 : 4;
+			bin.resize(bin.size() + stream.data.size() * stride);
+			meshopt_encodeFilterOct(&bin[offset], stream.data.size(), stride, bits, stream.data[0].f);
+		}
+		else
+		{
+			for (size_t i = 0; i < stream.data.size(); ++i)
 			{
-				int16_t v[4];
-
-				if (oct)
-				{
-					int fu, fv;
-					encodeOct(fu, fv, nx, ny, nz, bits);
-
-					v[0] = int16_t(fu);
-					v[1] = int16_t(fv);
-					v[2] = int16_t(meshopt_quantizeSnorm(1.f, bits));
-					v[3] = 0;
-				}
-				else
-				{
-					v[0] = int16_t(meshopt_quantizeSnorm(nx, bits));
-					v[1] = int16_t(meshopt_quantizeSnorm(ny, bits));
-					v[2] = int16_t(meshopt_quantizeSnorm(nz, bits));
-					v[3] = 0;
-				}
+				const Attr& a = stream.data[i];
 
-				bin.append(reinterpret_cast<const char*>(v), sizeof(v));
-			}
-			else
-			{
-				int8_t v[4];
+				float nx = a.f[0], ny = a.f[1], nz = a.f[2];
 
-				if (oct)
+				if (bits > 8)
 				{
-					int fu, fv;
-					encodeOct(fu, fv, nx, ny, nz, bits);
-
-					v[0] = int8_t(fu);
-					v[1] = int8_t(fv);
-					v[2] = int8_t(meshopt_quantizeSnorm(1.f, bits));
-					v[3] = 0;
+					int16_t v[4] = {
+					    int16_t(meshopt_quantizeSnorm(nx, bits)),
+					    int16_t(meshopt_quantizeSnorm(ny, bits)),
+					    int16_t(meshopt_quantizeSnorm(nz, bits)),
+					    0};
+					bin.append(reinterpret_cast<const char*>(v), sizeof(v));
 				}
 				else
 				{
-					v[0] = int8_t(meshopt_quantizeSnorm(nx, bits));
-					v[1] = int8_t(meshopt_quantizeSnorm(ny, bits));
-					v[2] = int8_t(meshopt_quantizeSnorm(nz, bits));
-					v[3] = 0;
+					int8_t v[4] = {
+					    int8_t(meshopt_quantizeSnorm(nx, bits)),
+					    int8_t(meshopt_quantizeSnorm(ny, bits)),
+					    int8_t(meshopt_quantizeSnorm(nz, bits)),
+					    0};
+					bin.append(reinterpret_cast<const char*>(v), sizeof(v));
 				}
-
-				bin.append(reinterpret_cast<const char*>(v), sizeof(v));
 			}
 		}
 
@@ -632,33 +597,28 @@ StreamFormat writeVertexStream(std::string& bin, const Stream& stream, const Qua
 
 		StreamFormat::Filter filter = oct ? StreamFormat::Filter_Oct : StreamFormat::Filter_None;
 
-		for (size_t i = 0; i < stream.data.size(); ++i)
+		if (oct)
 		{
-			const Attr& a = stream.data[i];
-
-			float nx = a.f[0], ny = a.f[1], nz = a.f[2], nw = a.f[3];
-
-			int8_t v[4];
-
-			if (oct)
+			size_t offset = bin.size();
+			size_t stride = 4;
+			bin.resize(bin.size() + stream.data.size() * stride);
+			meshopt_encodeFilterOct(&bin[offset], stream.data.size(), stride, bits, stream.data[0].f);
+		}
+		else
+		{
+			for (size_t i = 0; i < stream.data.size(); ++i)
 			{
-				int fu, fv;
-				encodeOct(fu, fv, nx, ny, nz, bits);
+				const Attr& a = stream.data[i];
 
-				v[0] = int8_t(fu);
-				v[1] = int8_t(fv);
-				v[2] = int8_t(meshopt_quantizeSnorm(1.f, bits));
-				v[3] = int8_t(meshopt_quantizeSnorm(nw, bits));
-			}
-			else
-			{
-				v[0] = int8_t(meshopt_quantizeSnorm(nx, bits));
-				v[1] = int8_t(meshopt_quantizeSnorm(ny, bits));
-				v[2] = int8_t(meshopt_quantizeSnorm(nz, bits));
-				v[3] = int8_t(meshopt_quantizeSnorm(nw, bits));
-			}
+				float nx = a.f[0], ny = a.f[1], nz = a.f[2], nw = a.f[3];
 
-			bin.append(reinterpret_cast<const char*>(v), sizeof(v));
+				int8_t v[4] = {
+				    int8_t(meshopt_quantizeSnorm(nx, bits)),
+				    int8_t(meshopt_quantizeSnorm(ny, bits)),
+				    int8_t(meshopt_quantizeSnorm(nz, bits)),
+				    int8_t(meshopt_quantizeSnorm(nw, bits))};
+				bin.append(reinterpret_cast<const char*>(v), sizeof(v));
+			}
 		}
 
 		cgltf_type type = (stream.target == 0) ? cgltf_type_vec4 : cgltf_type_vec3;

From 6cf44db53a96a89e554f862d82b7b9e8c0c6186b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 17 Oct 2024 10:57:17 -0700
Subject: [PATCH 379/581] gltfpack: Switch from manual encodeQuat to
 meshopt_encodeFilterQuat

This simplifies the code and keeps the output binary identical since the
encoding logic is the same.
---
 gltf/stream.cpp | 53 ++++++++++++++++---------------------------------
 1 file changed, 17 insertions(+), 36 deletions(-)

diff --git a/gltf/stream.cpp b/gltf/stream.cpp
index 63cf08a1f2..85b624562e 100644
--- a/gltf/stream.cpp
+++ b/gltf/stream.cpp
@@ -245,26 +245,6 @@ static void renormalizeWeights(uint8_t (&w)[4])
 	w[max] += uint8_t(255 - sum);
 }
 
-static void encodeQuat(int16_t v[4], const Attr& a, int bits)
-{
-	const float scaler = sqrtf(2.f);
-
-	// establish maximum quaternion component
-	int qc = 0;
-	qc = fabsf(a.f[1]) > fabsf(a.f[qc]) ? 1 : qc;
-	qc = fabsf(a.f[2]) > fabsf(a.f[qc]) ? 2 : qc;
-	qc = fabsf(a.f[3]) > fabsf(a.f[qc]) ? 3 : qc;
-
-	// we use double-cover properties to discard the sign
-	float sign = a.f[qc] < 0.f ? -1.f : 1.f;
-
-	// note: we always encode a cyclical swizzle to be able to recover the order via rotation
-	v[0] = int16_t(meshopt_quantizeSnorm(a.f[(qc + 1) & 3] * scaler * sign, bits));
-	v[1] = int16_t(meshopt_quantizeSnorm(a.f[(qc + 2) & 3] * scaler * sign, bits));
-	v[2] = int16_t(meshopt_quantizeSnorm(a.f[(qc + 3) & 3] * scaler * sign, bits));
-	v[3] = int16_t((meshopt_quantizeSnorm(1.f, bits) & ~3) | qc);
-}
-
 static void encodeExpShared(uint32_t v[3], const Attr& a, int bits)
 {
 	// get exponents from all components
@@ -816,25 +796,26 @@ StreamFormat writeKeyframeStream(std::string& bin, cgltf_animation_path_type typ
 	{
 		StreamFormat::Filter filter = settings.compressmore ? StreamFormat::Filter_Quat : StreamFormat::Filter_None;
 
-		for (size_t i = 0; i < data.size(); ++i)
+		if (filter == StreamFormat::Filter_Quat)
 		{
-			const Attr& a = data[i];
-
-			int16_t v[4];
-
-			if (filter == StreamFormat::Filter_Quat)
-			{
-				encodeQuat(v, a, settings.rot_bits);
-			}
-			else
+			size_t offset = bin.size();
+			size_t stride = 8;
+			bin.resize(bin.size() + data.size() * stride);
+			meshopt_encodeFilterQuat(&bin[offset], data.size(), stride, settings.rot_bits, data[0].f);
+		}
+		else
+		{
+			for (size_t i = 0; i < data.size(); ++i)
 			{
-				v[0] = int16_t(meshopt_quantizeSnorm(a.f[0], 16));
-				v[1] = int16_t(meshopt_quantizeSnorm(a.f[1], 16));
-				v[2] = int16_t(meshopt_quantizeSnorm(a.f[2], 16));
-				v[3] = int16_t(meshopt_quantizeSnorm(a.f[3], 16));
-			}
+				const Attr& a = data[i];
 
-			bin.append(reinterpret_cast<const char*>(v), sizeof(v));
+				int16_t v[4] = {
+				    int16_t(meshopt_quantizeSnorm(a.f[0], 16)),
+				    int16_t(meshopt_quantizeSnorm(a.f[1], 16)),
+				    int16_t(meshopt_quantizeSnorm(a.f[2], 16)),
+				    int16_t(meshopt_quantizeSnorm(a.f[3], 16))};
+				bin.append(reinterpret_cast<const char*>(v), sizeof(v));
+			}
 		}
 
 		StreamFormat format = {cgltf_type_vec4, cgltf_component_type_r_16, true, 8, filter};

From c05ada184574c9d07eeab68313fd7a90c7664aad Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 17 Oct 2024 10:57:53 -0700
Subject: [PATCH 380/581] gltfpack: Switch from manual encodeExpShared to
 meshopt_encodeFilterExp

This simplifies the code and keeps the output identical since the
encoding logic is the same.

Note that since the stride here is 12 bytes, we can't encode directly
from the source attribute data (we need to skip W), but we can encode
using aliased destination & source.
---
 gltf/stream.cpp | 43 +++++++------------------------------------
 1 file changed, 7 insertions(+), 36 deletions(-)

diff --git a/gltf/stream.cpp b/gltf/stream.cpp
index 85b624562e..fbe654f250 100644
--- a/gltf/stream.cpp
+++ b/gltf/stream.cpp
@@ -245,31 +245,6 @@ static void renormalizeWeights(uint8_t (&w)[4])
 	w[max] += uint8_t(255 - sum);
 }
 
-static void encodeExpShared(uint32_t v[3], const Attr& a, int bits)
-{
-	// get exponents from all components
-	int ex, ey, ez;
-	frexp(a.f[0], &ex);
-	frexp(a.f[1], &ey);
-	frexp(a.f[2], &ez);
-
-	// use maximum exponent to encode values; this guarantees that mantissa is [-1, 1]
-	// note that we additionally scale the mantissa to make it a K-bit signed integer (K-1 bits for magnitude)
-	int exp = std::max(ex, std::max(ey, ez)) - (bits - 1);
-
-	// compute renormalized rounded mantissas for each component
-	int mx = int(ldexp(a.f[0], -exp) + (a.f[0] >= 0 ? 0.5f : -0.5f));
-	int my = int(ldexp(a.f[1], -exp) + (a.f[1] >= 0 ? 0.5f : -0.5f));
-	int mz = int(ldexp(a.f[2], -exp) + (a.f[2] >= 0 ? 0.5f : -0.5f));
-
-	int mmask = (1 << 24) - 1;
-
-	// encode exponent & mantissa into each resulting value
-	v[0] = (mx & mmask) | (unsigned(exp) << 24);
-	v[1] = (my & mmask) | (unsigned(exp) << 24);
-	v[2] = (mz & mmask) | (unsigned(exp) << 24);
-}
-
 static uint32_t encodeExpOne(float v, int bits, int min_exp = -100)
 {
 	// extract exponent
@@ -839,23 +814,19 @@ StreamFormat writeKeyframeStream(std::string& bin, cgltf_animation_path_type typ
 		StreamFormat::Filter filter = settings.compressmore ? StreamFormat::Filter_Exp : StreamFormat::Filter_None;
 		int bits = (type == cgltf_animation_path_type_translation) ? settings.trn_bits : settings.scl_bits;
 
+		size_t offset = bin.size();
+
 		for (size_t i = 0; i < data.size(); ++i)
 		{
 			const Attr& a = data[i];
 
-			if (filter == StreamFormat::Filter_Exp)
-			{
-				uint32_t v[3];
-				encodeExpShared(v, a, bits);
-				bin.append(reinterpret_cast<const char*>(v), sizeof(v));
-			}
-			else
-			{
-				float v[3] = {a.f[0], a.f[1], a.f[2]};
-				bin.append(reinterpret_cast<const char*>(v), sizeof(v));
-			}
+			float v[3] = {a.f[0], a.f[1], a.f[2]};
+			bin.append(reinterpret_cast<const char*>(v), sizeof(v));
 		}
 
+		if (filter == StreamFormat::Filter_Exp)
+			meshopt_encodeFilterExp(&bin[offset], data.size(), 12, bits, reinterpret_cast<const float*>(&bin[offset]), meshopt_EncodeExpSharedVector);
+
 		StreamFormat format = {cgltf_type_vec3, cgltf_component_type_r_32f, false, 12, filter};
 		return format;
 	}

From bb02b2f54b7e98293c2e80386a2dfb98ec500b7a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 17 Oct 2024 11:00:50 -0700
Subject: [PATCH 381/581] demo: Add tests for encodeFilterExp with aliased
 source & destination

This is a useful mode of operation since exp encoding shares source &
destination stride, but it's valuable to make sure it works as
implementation changes may accidentally break it if they read data after
writing destination.
---
 demo/tests.cpp | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index e87a5a349c..e58a538e6c 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -811,6 +811,56 @@ void encodeFilterExpZero()
 	assert(decoded == data);
 }
 
+void encodeFilterExpAlias()
+{
+	const float data[4] = {
+	    1,
+	    -23.4f,
+	    -0.1f,
+	    11.0f,
+	};
+
+	// separate exponents: each component gets its own value
+	const unsigned int expected1[4] = {
+	    0xf3002000,
+	    0xf7ffd133,
+	    0xefffcccd,
+	    0xf6002c00,
+	};
+
+	// shared exponents (vector): all components of each vector get the same value
+	const unsigned int expected2[4] = {
+	    0xf7000200,
+	    0xf7ffd133,
+	    0xf6ffff9a,
+	    0xf6002c00,
+	};
+
+	// shared exponents (component): each component gets the same value across all vectors
+	const unsigned int expected3[4] = {
+	    0xf3002000,
+	    0xf7ffd133,
+	    0xf3fffccd,
+	    0xf7001600,
+	};
+
+	unsigned int encoded1[4];
+	memcpy(encoded1, data, sizeof(data));
+	meshopt_encodeFilterExp(encoded1, 2, 8, 15, reinterpret_cast<float*>(encoded1), meshopt_EncodeExpSeparate);
+
+	unsigned int encoded2[4];
+	memcpy(encoded2, data, sizeof(data));
+	meshopt_encodeFilterExp(encoded2, 2, 8, 15, reinterpret_cast<float*>(encoded2), meshopt_EncodeExpSharedVector);
+
+	unsigned int encoded3[4];
+	memcpy(encoded3, data, sizeof(data));
+	meshopt_encodeFilterExp(encoded3, 2, 8, 15, reinterpret_cast<float*>(encoded3), meshopt_EncodeExpSharedComponent);
+
+	assert(memcmp(encoded1, expected1, sizeof(expected1)) == 0);
+	assert(memcmp(encoded2, expected2, sizeof(expected2)) == 0);
+	assert(memcmp(encoded3, expected3, sizeof(expected3)) == 0);
+}
+
 static void clusterBoundsDegenerate()
 {
 	const float vbd[] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
@@ -1828,6 +1878,7 @@ void runTests()
 	encodeFilterQuat12();
 	encodeFilterExp();
 	encodeFilterExpZero();
+	encodeFilterExpAlias();
 
 	clusterBoundsDegenerate();
 

From 80c80f8d8f658bdb41dfe690721adc1e2cd8a030 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 17 Oct 2024 11:19:11 -0700
Subject: [PATCH 382/581] gltfpack: Extract snorm encoding into a separate
 function

meshopt doesn't provide an encode function for snorm encoding as it's a
trivial extension of scalar encoding, but here we need this in a few
places so our own function simplifies the data flow.
---
 gltf/stream.cpp | 133 +++++++++++++++++++-----------------------------
 1 file changed, 52 insertions(+), 81 deletions(-)

diff --git a/gltf/stream.cpp b/gltf/stream.cpp
index fbe654f250..ebf592c41f 100644
--- a/gltf/stream.cpp
+++ b/gltf/stream.cpp
@@ -245,6 +245,40 @@ static void renormalizeWeights(uint8_t (&w)[4])
 	w[max] += uint8_t(255 - sum);
 }
 
+static void encodeSnorm(void* destination, size_t count, size_t stride, int bits, const float* data)
+{
+	assert(stride == 4 || stride == 8);
+	assert(bits >= 1 && bits <= 16);
+
+	signed char* d8 = static_cast<signed char*>(destination);
+	short* d16 = static_cast<short*>(destination);
+
+	for (size_t i = 0; i < count; ++i)
+	{
+		const float* v = &data[i * 4];
+
+		int fx = meshopt_quantizeSnorm(v[0], bits);
+		int fy = meshopt_quantizeSnorm(v[1], bits);
+		int fz = meshopt_quantizeSnorm(v[2], bits);
+		int fw = meshopt_quantizeSnorm(v[3], bits);
+
+		if (stride == 4)
+		{
+			d8[i * 4 + 0] = (signed char)(fx);
+			d8[i * 4 + 1] = (signed char)(fy);
+			d8[i * 4 + 2] = (signed char)(fz);
+			d8[i * 4 + 3] = (signed char)(fw);
+		}
+		else
+		{
+			d16[i * 4 + 0] = short(fx);
+			d16[i * 4 + 1] = short(fy);
+			d16[i * 4 + 2] = short(fz);
+			d16[i * 4 + 3] = short(fw);
+		}
+	}
+}
+
 static uint32_t encodeExpOne(float v, int bits, int min_exp = -100)
 {
 	// extract exponent
@@ -495,52 +529,18 @@ StreamFormat writeVertexStream(std::string& bin, const Stream& stream, const Qua
 
 		StreamFormat::Filter filter = oct ? StreamFormat::Filter_Oct : StreamFormat::Filter_None;
 
+		size_t offset = bin.size();
+		size_t stride = bits > 8 ? 8 : 4;
+		bin.resize(bin.size() + stream.data.size() * stride);
+
 		if (oct)
-		{
-			size_t offset = bin.size();
-			size_t stride = bits > 8 ? 8 : 4;
-			bin.resize(bin.size() + stream.data.size() * stride);
 			meshopt_encodeFilterOct(&bin[offset], stream.data.size(), stride, bits, stream.data[0].f);
-		}
 		else
-		{
-			for (size_t i = 0; i < stream.data.size(); ++i)
-			{
-				const Attr& a = stream.data[i];
+			encodeSnorm(&bin[offset], stream.data.size(), stride, bits, stream.data[0].f);
 
-				float nx = a.f[0], ny = a.f[1], nz = a.f[2];
-
-				if (bits > 8)
-				{
-					int16_t v[4] = {
-					    int16_t(meshopt_quantizeSnorm(nx, bits)),
-					    int16_t(meshopt_quantizeSnorm(ny, bits)),
-					    int16_t(meshopt_quantizeSnorm(nz, bits)),
-					    0};
-					bin.append(reinterpret_cast<const char*>(v), sizeof(v));
-				}
-				else
-				{
-					int8_t v[4] = {
-					    int8_t(meshopt_quantizeSnorm(nx, bits)),
-					    int8_t(meshopt_quantizeSnorm(ny, bits)),
-					    int8_t(meshopt_quantizeSnorm(nz, bits)),
-					    0};
-					bin.append(reinterpret_cast<const char*>(v), sizeof(v));
-				}
-			}
-		}
-
-		if (bits > 8)
-		{
-			StreamFormat format = {cgltf_type_vec3, cgltf_component_type_r_16, true, 8, filter};
-			return format;
-		}
-		else
-		{
-			StreamFormat format = {cgltf_type_vec3, cgltf_component_type_r_8, true, 4, filter};
-			return format;
-		}
+		cgltf_component_type component_type = bits > 8 ? cgltf_component_type_r_16 : cgltf_component_type_r_8;
+		StreamFormat format = {cgltf_type_vec3, component_type, true, stride, filter};
+		return format;
 	}
 	else if (stream.type == cgltf_attribute_type_tangent)
 	{
@@ -552,32 +552,16 @@ StreamFormat writeVertexStream(std::string& bin, const Stream& stream, const Qua
 
 		StreamFormat::Filter filter = oct ? StreamFormat::Filter_Oct : StreamFormat::Filter_None;
 
+		size_t offset = bin.size();
+		size_t stride = 4;
+		bin.resize(bin.size() + stream.data.size() * stride);
+
 		if (oct)
-		{
-			size_t offset = bin.size();
-			size_t stride = 4;
-			bin.resize(bin.size() + stream.data.size() * stride);
 			meshopt_encodeFilterOct(&bin[offset], stream.data.size(), stride, bits, stream.data[0].f);
-		}
 		else
-		{
-			for (size_t i = 0; i < stream.data.size(); ++i)
-			{
-				const Attr& a = stream.data[i];
-
-				float nx = a.f[0], ny = a.f[1], nz = a.f[2], nw = a.f[3];
-
-				int8_t v[4] = {
-				    int8_t(meshopt_quantizeSnorm(nx, bits)),
-				    int8_t(meshopt_quantizeSnorm(ny, bits)),
-				    int8_t(meshopt_quantizeSnorm(nz, bits)),
-				    int8_t(meshopt_quantizeSnorm(nw, bits))};
-				bin.append(reinterpret_cast<const char*>(v), sizeof(v));
-			}
-		}
+			encodeSnorm(&bin[offset], stream.data.size(), stride, bits, stream.data[0].f);
 
 		cgltf_type type = (stream.target == 0) ? cgltf_type_vec4 : cgltf_type_vec3;
-
 		StreamFormat format = {type, cgltf_component_type_r_8, true, 4, filter};
 		return format;
 	}
@@ -771,27 +755,14 @@ StreamFormat writeKeyframeStream(std::string& bin, cgltf_animation_path_type typ
 	{
 		StreamFormat::Filter filter = settings.compressmore ? StreamFormat::Filter_Quat : StreamFormat::Filter_None;
 
+		size_t offset = bin.size();
+		size_t stride = 8;
+		bin.resize(bin.size() + data.size() * stride);
+
 		if (filter == StreamFormat::Filter_Quat)
-		{
-			size_t offset = bin.size();
-			size_t stride = 8;
-			bin.resize(bin.size() + data.size() * stride);
 			meshopt_encodeFilterQuat(&bin[offset], data.size(), stride, settings.rot_bits, data[0].f);
-		}
 		else
-		{
-			for (size_t i = 0; i < data.size(); ++i)
-			{
-				const Attr& a = data[i];
-
-				int16_t v[4] = {
-				    int16_t(meshopt_quantizeSnorm(a.f[0], 16)),
-				    int16_t(meshopt_quantizeSnorm(a.f[1], 16)),
-				    int16_t(meshopt_quantizeSnorm(a.f[2], 16)),
-				    int16_t(meshopt_quantizeSnorm(a.f[3], 16))};
-				bin.append(reinterpret_cast<const char*>(v), sizeof(v));
-			}
-		}
+			encodeSnorm(&bin[offset], data.size(), stride, 16, data[0].f);
 
 		StreamFormat format = {cgltf_type_vec4, cgltf_component_type_r_16, true, 8, filter};
 		return format;

From d00f7d52cbaca45c07c53496fb8a796f8aed0233 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 17 Oct 2024 14:54:09 -0700
Subject: [PATCH 383/581] vertexfilter: Add meshopt_EncodeExpClamped mode for
 exponent encoding

When using SharedComponent or SharedVector, exponents compress fairly
well on their own because their range is normalized in a more or less
optimal way; when using Separate mode, the reduced bit count truncates
mantissa which fixes some issues with input entropy, but if the values
are clustered around zero then the exponent will also see a lot of
variance that is generally unwarranted for precision, when the input
range is known to be further away from zero.

While there are ways to solve this in a more general fashion, eg by
exposing min_exp as well as mode, this is probably too involved and it's
simple and mostly sufficient to add a clamped mode.

This is helpful when encoding values like texture coordinates, where
SharedVector or SharedComponent may not have enough precision in case
where a component is tiled with a high repeat value, but we know we need
a limited precision around 0 so clamping the exponent works well.

This API is still experimental so it's easy to rework it later if we
discover a more general solution is warranted.
---
 demo/tests.cpp       | 44 ++++++++++++++++++++++++++++++++++++++------
 src/meshoptimizer.h  |  2 ++
 src/vertexfilter.cpp |  9 +++++++++
 3 files changed, 49 insertions(+), 6 deletions(-)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index e58a538e6c..44efb41f99 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -628,7 +628,7 @@ static void decodeFilterExp()
 	assert(memcmp(tail, expected, sizeof(tail)) == 0);
 }
 
-void encodeFilterOct8()
+static void encodeFilterOct8()
 {
 	const float data[4 * 4] = {
 	    1, 0, 0, 0,
@@ -657,7 +657,7 @@ void encodeFilterOct8()
 		assert(fabsf(decoded[i] / 127.f - data[i]) < 1e-2f);
 }
 
-void encodeFilterOct12()
+static void encodeFilterOct12()
 {
 	const float data[4 * 4] = {
 	    1, 0, 0, 0,
@@ -686,7 +686,7 @@ void encodeFilterOct12()
 		assert(fabsf(decoded[i] / 32767.f - data[i]) < 1e-3f);
 }
 
-void encodeFilterQuat12()
+static void encodeFilterQuat12()
 {
 	const float data[4 * 4] = {
 	    1, 0, 0, 0,
@@ -728,7 +728,7 @@ void encodeFilterQuat12()
 	}
 }
 
-void encodeFilterExp()
+static void encodeFilterExp()
 {
 	const float data[4] = {
 	    1,
@@ -794,7 +794,7 @@ void encodeFilterExp()
 	}
 }
 
-void encodeFilterExpZero()
+static void encodeFilterExpZero()
 {
 	const float data = 0.f;
 	const unsigned int expected = 0xf2000000;
@@ -811,7 +811,7 @@ void encodeFilterExpZero()
 	assert(decoded == data);
 }
 
-void encodeFilterExpAlias()
+static void encodeFilterExpAlias()
 {
 	const float data[4] = {
 	    1,
@@ -861,6 +861,37 @@ void encodeFilterExpAlias()
 	assert(memcmp(encoded3, expected3, sizeof(expected3)) == 0);
 }
 
+static void encodeFilterExpClamp()
+{
+	const float data[4] = {
+	    1,
+	    -23.4f,
+	    -0.1f,
+	    11.0f,
+	};
+
+	// separate exponents: each component gets its own value
+	// note: third value is exponent clamped
+	const unsigned int expected[4] = {
+	    0xf3002000,
+	    0xf7ffd133,
+	    0xf2fff99a,
+	    0xf6002c00,
+	};
+
+	unsigned int encoded[4];
+	meshopt_encodeFilterExp(encoded, 2, 8, 15, data, meshopt_EncodeExpClamped);
+
+	assert(memcmp(encoded, expected, sizeof(expected)) == 0);
+
+	float decoded[4];
+	memcpy(decoded, encoded, sizeof(decoded));
+	meshopt_decodeFilterExp(decoded, 2, 8);
+
+	for (size_t i = 0; i < 4; ++i)
+		assert(fabsf(decoded[i] - data[i]) < 1e-3f);
+}
+
 static void clusterBoundsDegenerate()
 {
 	const float vbd[] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
@@ -1879,6 +1910,7 @@ void runTests()
 	encodeFilterExp();
 	encodeFilterExpZero();
 	encodeFilterExpAlias();
+	encodeFilterExpClamp();
 
 	clusterBoundsDegenerate();
 
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 6c42f67f65..abf3989311 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -334,6 +334,8 @@ enum meshopt_EncodeExpMode
 	meshopt_EncodeExpSharedVector,
 	/* When encoding exponents, use shared value for each component of all vectors (best compression) */
 	meshopt_EncodeExpSharedComponent,
+	/* When encoding exponents, use separate values for each component, but clamp to 0 (good quality if very small values are not important) */
+	meshopt_EncodeExpClamped,
 };
 
 MESHOPTIMIZER_EXPERIMENTAL void meshopt_encodeFilterOct(void* destination, size_t count, size_t stride, int bits, const float* data);
diff --git a/src/vertexfilter.cpp b/src/vertexfilter.cpp
index 8a87b299fe..a7e2257c30 100644
--- a/src/vertexfilter.cpp
+++ b/src/vertexfilter.cpp
@@ -1010,6 +1010,15 @@ void meshopt_encodeFilterExp(void* destination_, size_t count, size_t stride, in
 				component_exp[j] = (min_exp < e) ? e : min_exp;
 			}
 		}
+		else if (mode == meshopt_EncodeExpClamped)
+		{
+			for (size_t j = 0; j < stride_float; ++j)
+			{
+				int e = optlog2(v[j]);
+
+				component_exp[j] = (0 < e) ? e : 0;
+			}
+		}
 		else
 		{
 			// the code below assumes component_exp is initialized outside of the loop

From 3dee1a8d2dbf774edad341bc87b82a3dd482eda0 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 17 Oct 2024 15:12:04 -0700
Subject: [PATCH 384/581] gltfpack: Switch from custom encodeExp* functions to
 meshopt_encodeFilterExp

Unlike previous changes, this is not *exactly* equivalent in terms of
binary output. It should be the same when using `-c`, but when using
`-cc` there may be cases where the shared component encoding selects an
exponent that is smaller than 0 for normals or texture coordinates. This
should not negatively affect compression ratio though, just produce
slightly different files.
---
 gltf/stream.cpp | 100 ++++++++----------------------------------------
 1 file changed, 15 insertions(+), 85 deletions(-)

diff --git a/gltf/stream.cpp b/gltf/stream.cpp
index ebf592c41f..2c537e4495 100644
--- a/gltf/stream.cpp
+++ b/gltf/stream.cpp
@@ -279,71 +279,6 @@ static void encodeSnorm(void* destination, size_t count, size_t stride, int bits
 	}
 }
 
-static uint32_t encodeExpOne(float v, int bits, int min_exp = -100)
-{
-	// extract exponent
-	int e;
-	frexp(v, &e);
-
-	// clamp exponent to ensure it's valid after bias
-	e = std::max(e, min_exp);
-
-	// scale the mantissa to make it a K-bit signed integer (K-1 bits for magnitude)
-	int exp = e - (bits - 1);
-
-	// compute renormalized rounded mantissa
-	int m = int(ldexp(v, -exp) + (v >= 0 ? 0.5f : -0.5f));
-
-	int mmask = (1 << 24) - 1;
-
-	// encode exponent & mantissa
-	return (m & mmask) | (unsigned(exp) << 24);
-}
-
-static void encodeExpParallel(std::string& bin, const Attr* data, size_t count, int channels, int bits, int min_exp = -100)
-{
-	int exp[4] = {};
-
-	for (int k = 0; k < channels; ++k)
-		exp[k] = min_exp;
-
-	for (size_t i = 0; i < count; ++i)
-	{
-		const Attr& a = data[i];
-
-		// use maximum exponent to encode values; this guarantees that mantissa is [-1, 1]
-		for (int k = 0; k < channels; ++k)
-		{
-			int e;
-			frexp(a.f[k], &e);
-			exp[k] = std::max(exp[k], e);
-		}
-	}
-
-	// scale the mantissa to make it a K-bit signed integer (K-1 bits for magnitude)
-	for (int k = 0; k < channels; ++k)
-		exp[k] -= (bits - 1);
-
-	for (size_t i = 0; i < count; ++i)
-	{
-		const Attr& a = data[i];
-
-		uint32_t v[4];
-
-		for (int k = 0; k < channels; ++k)
-		{
-			// compute renormalized rounded mantissas
-			int m = int(ldexp(a.f[k], -exp[k]) + (a.f[k] >= 0 ? 0.5f : -0.5f));
-
-			// encode exponent & mantissa
-			int mmask = (1 << 24) - 1;
-			v[k] = (m & mmask) | (unsigned(exp[k]) << 24);
-		}
-
-		bin.append(reinterpret_cast<const char*>(v), sizeof(uint32_t) * channels);
-	}
-}
-
 static StreamFormat writeVertexStreamRaw(std::string& bin, const Stream& stream, cgltf_type type, size_t components)
 {
 	assert(components >= 1 && components <= 4);
@@ -359,15 +294,20 @@ static StreamFormat writeVertexStreamRaw(std::string& bin, const Stream& stream,
 	return format;
 }
 
-static StreamFormat writeVertexStreamFloat(std::string& bin, const Stream& stream, cgltf_type type, int components, const Settings& settings, int bits, int min_exp = -100)
+static StreamFormat writeVertexStreamFloat(std::string& bin, const Stream& stream, cgltf_type type, int components, const Settings& settings, int bits, meshopt_EncodeExpMode mode)
 {
 	assert(components >= 1 && components <= 4);
 
 	StreamFormat::Filter filter = settings.compress ? StreamFormat::Filter_Exp : StreamFormat::Filter_None;
 
-	if (settings.compressmore)
+	if (filter == StreamFormat::Filter_Exp)
 	{
-		encodeExpParallel(bin, &stream.data[0], stream.data.size(), components, bits + 1, min_exp);
+		size_t offset = bin.size();
+		size_t stride = sizeof(float) * components;
+		for (size_t i = 0; i < stream.data.size(); ++i)
+			bin.append(reinterpret_cast<const char*>(stream.data[i].f), stride);
+
+		meshopt_encodeFilterExp(&bin[offset], stream.data.size(), stride, bits + 1, reinterpret_cast<const float*>(&bin[offset]), mode);
 	}
 	else
 	{
@@ -375,20 +315,10 @@ static StreamFormat writeVertexStreamFloat(std::string& bin, const Stream& strea
 		{
 			const Attr& a = stream.data[i];
 
-			if (filter == StreamFormat::Filter_Exp)
-			{
-				uint32_t v[4];
-				for (int k = 0; k < components; ++k)
-					v[k] = encodeExpOne(a.f[k], bits + 1, min_exp);
-				bin.append(reinterpret_cast<const char*>(v), sizeof(uint32_t) * components);
-			}
-			else
-			{
-				float v[4];
-				for (int k = 0; k < components; ++k)
-					v[k] = meshopt_quantizeFloat(a.f[k], bits);
-				bin.append(reinterpret_cast<const char*>(v), sizeof(float) * components);
-			}
+			float v[4];
+			for (int k = 0; k < components; ++k)
+				v[k] = meshopt_quantizeFloat(a.f[k], bits);
+			bin.append(reinterpret_cast<const char*>(v), sizeof(float) * components);
 		}
 	}
 
@@ -414,7 +344,7 @@ StreamFormat writeVertexStream(std::string& bin, const Stream& stream, const Qua
 			return writeVertexStreamRaw(bin, stream, cgltf_type_vec3, 3);
 
 		if (settings.pos_float)
-			return writeVertexStreamFloat(bin, stream, cgltf_type_vec3, 3, settings, qp.bits);
+			return writeVertexStreamFloat(bin, stream, cgltf_type_vec3, 3, settings, qp.bits, settings.compressmore ? meshopt_EncodeExpSharedComponent : meshopt_EncodeExpSeparate);
 
 		if (stream.target == 0)
 		{
@@ -494,7 +424,7 @@ StreamFormat writeVertexStream(std::string& bin, const Stream& stream, const Qua
 		// expand the encoded range to ensure it covers [0..1) interval
 		// this can slightly reduce precision but we should not need more precision inside 0..1, and this significantly improves compressed size when using encodeExpOne
 		if (settings.tex_float)
-			return writeVertexStreamFloat(bin, stream, cgltf_type_vec2, 2, settings, qt.bits, /* min_exp= */ 0);
+			return writeVertexStreamFloat(bin, stream, cgltf_type_vec2, 2, settings, qt.bits, settings.compressmore ? meshopt_EncodeExpSharedComponent : meshopt_EncodeExpClamped);
 
 		float uv_rscale[2] = {
 		    qt.scale[0] == 0.f ? 0.f : 1.f / qt.scale[0],
@@ -522,7 +452,7 @@ StreamFormat writeVertexStream(std::string& bin, const Stream& stream, const Qua
 
 		// expand the encoded range to ensure it covers [0..1) interval
 		if (settings.nrm_float)
-			return writeVertexStreamFloat(bin, stream, cgltf_type_vec3, 3, settings, settings.nrm_bits, /* min_exp= */ 0);
+			return writeVertexStreamFloat(bin, stream, cgltf_type_vec3, 3, settings, settings.nrm_bits, settings.compressmore ? meshopt_EncodeExpSharedComponent : meshopt_EncodeExpClamped);
 
 		bool oct = settings.compressmore && stream.target == 0;
 		int bits = settings.nrm_bits;

From b6a3e46dcb4bfc414c3269589b10c32f18d98e13 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 17 Oct 2024 17:02:15 -0700
Subject: [PATCH 385/581] vertexfilter: Equalize encodeExp behavior for
 positive and negative zero

When we switched from frexp to optlog2, the behavior for negative zero
changed: instead of being encoded as if it had exponent 0, it was
mistakenly encoded as if it had exponent min_exp.

Both encodings are equivalent; in fact, there is some leeway in encoding
zeroes that we are not exploiting as they could repeat the last non-zero
exponent - but this is an unexpected change and should be corrected for
consistency.
---
 demo/tests.cpp       | 29 ++++++++++++++++++++---------
 src/vertexfilter.cpp |  2 +-
 2 files changed, 21 insertions(+), 10 deletions(-)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 44efb41f99..598d3aa2be 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -796,19 +796,30 @@ static void encodeFilterExp()
 
 static void encodeFilterExpZero()
 {
-	const float data = 0.f;
-	const unsigned int expected = 0xf2000000;
+	const float data[4] = {
+	    0.f,
+	    -0.f,
+	    1.1754944e-38f,
+	    -1.1754944e-38f,
+	};
+	const unsigned int expected[4] = {
+	    0xf2000000,
+	    0xf2000000,
+	    0x8e000000,
+	    0x8e000000,
+	};
 
-	unsigned int encoded;
-	meshopt_encodeFilterExp(&encoded, 1, 4, 15, &data, meshopt_EncodeExpSeparate);
+	unsigned int encoded[4];
+	meshopt_encodeFilterExp(encoded, 4, 4, 15, data, meshopt_EncodeExpSeparate);
 
-	assert(encoded == expected);
+	assert(memcmp(encoded, expected, sizeof(expected)) == 0);
 
-	float decoded;
-	memcpy(&decoded, &encoded, sizeof(decoded));
-	meshopt_decodeFilterExp(&decoded, 1, 4);
+	float decoded[4];
+	memcpy(decoded, encoded, sizeof(decoded));
+	meshopt_decodeFilterExp(&decoded, 4, 4);
 
-	assert(decoded == data);
+	for (size_t i = 0; i < 4; ++i)
+		assert(decoded[i] == 0);
 }
 
 static void encodeFilterExpAlias()
diff --git a/src/vertexfilter.cpp b/src/vertexfilter.cpp
index a7e2257c30..1f456bb9de 100644
--- a/src/vertexfilter.cpp
+++ b/src/vertexfilter.cpp
@@ -807,7 +807,7 @@ inline int optlog2(float v)
 
 	u.f = v;
 	// +1 accounts for implicit 1. in mantissa; denormalized numbers will end up clamped to min_exp by calling code
-	return u.ui == 0 ? 0 : int((u.ui >> 23) & 0xff) - 127 + 1;
+	return v == 0 ? 0 : int((u.ui >> 23) & 0xff) - 127 + 1;
 }
 
 // optimized variant of ldexp

From 53dbbf4f081949b52625da7f7941f943157e09ac Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 17 Oct 2024 14:59:21 -0700
Subject: [PATCH 386/581] js: Update meshopt_encoder.js to incorporate clamped
 exponents

This just rebuilds the JS code with an extra constant exposed, and adds
a test to make sure it works.
---
 js/meshopt_encoder.js          |  3 ++-
 js/meshopt_encoder.module.d.ts |  2 +-
 js/meshopt_encoder.module.js   |  3 ++-
 js/meshopt_encoder.test.js     | 11 +++++++++++
 4 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/js/meshopt_encoder.js b/js/meshopt_encoder.js
index d0f9beaf61..888db48ec3 100644
--- a/js/meshopt_encoder.js
+++ b/js/meshopt_encoder.js
@@ -5,7 +5,7 @@ var MeshoptEncoder = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
-		'b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G:Qdkr;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;M9oLdbk;QqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;WFbGgecjdaecjd6Ehqcbhkindndnaiak9nmbaDcjlfcbcjdzNjjjb8Aaqaiak9Rakaqfai6Egxcsfgecl4cifcd4hmadakal2fhPdndndnaec9WGgsTmbcbhzaPhHawhOxekdnaxmbalheinaraw9Ram6miawcbamzNjjjbamfhwaecufgembxvkkcbhAaPhOinaDaAfRbbhCaDcjlfheaOhoaxhXinaeaoRbbgQaC9RgCcetaCcKtcK91cr4786bbaoalfhoaecefheaQhCaXcufgXmbkaraw9Ram6mdaOcefhOawcbamzNjjjbamfhwaAcefgAal9hmbxlkkindnaxTmbaDazfRbbhCaDcjlfheaHhoaxhXinaeaoRbbgQaC9RgCcetaCcKtcK91cr4786bbaoalfhoaecefheaQhCaXcufgXmbkkaraO9Ram6mearaOcbamzNjjjbgLamfgw9RcK6mecbhKaDcjlfhOinaDcjlfaKfhYcwhAczhQceheindndnaegXce9hmbcuhoaYRbbmecbhodninaogecsSmeaecefhoaOaefcefRbbTmbkkcucbaecs6EhoxekaXcethocuaXtc;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99lud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// embed! wasm
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// embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
@@ -195,6 +195,7 @@ var MeshoptEncoder = (function () {
 				Separate: 0,
 				SharedVector: 1,
 				SharedComponent: 2,
+				Clamped: 3,
 			};
 			return filter(instance.exports.meshopt_encodeFilterExp, source, count, stride, bits, stride, mode ? table[mode] : 1);
 		},
diff --git a/js/meshopt_encoder.module.d.ts b/js/meshopt_encoder.module.d.ts
index fedb540356..c14b1c7662 100644
--- a/js/meshopt_encoder.module.d.ts
+++ b/js/meshopt_encoder.module.d.ts
@@ -1,6 +1,6 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-export type ExpMode = 'Separate' | 'SharedVector' | 'SharedComponent';
+export type ExpMode = 'Separate' | 'SharedVector' | 'SharedComponent' | 'Clamped';
 
 export const MeshoptEncoder: {
 	supported: boolean;
diff --git a/js/meshopt_encoder.module.js b/js/meshopt_encoder.module.js
index 63e581d547..2481fe4259 100644
--- a/js/meshopt_encoder.module.js
+++ b/js/meshopt_encoder.module.js
@@ -4,7 +4,7 @@ var MeshoptEncoder = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
-		'b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G:Qdkr;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;M9oLdbk;QqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;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;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcetcuftcu7:Yhvdndncuaicuftcu7:YgoJbbbZMgr:lJbbb9p9DTmbar:Ohwxekcjjjj94hwkcbhicbhDinalclfIdbgrJbbbbJbbjZalIdbgq:lar:lMalcwfIdbgk:lMgr:varJbbbb9BEgrNhxaqarNhrdndnakJbbbb9GTmbaxhqxekJbbjZar:l:tgqaq:maxJbbbb9GEhqJbbjZax:l:tgxax:marJbbbb9GEhrkdndnalcxfIdbgxJbbj:;axJbbj:;9GEgkJbbjZakJbbjZ9FEavNJbbbZJbbb:;axJbbbb9GEMgx:lJbbb9p9DTmbax:Ohmxekcjjjj94hmkdndnaqJbbj:;aqJbbj:;9GEgxJbbjZaxJbbjZ9FEaoNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:OhPxekcjjjj94hPkdndnarJbbj:;arJbbj:;9GEgqJbbjZaqJbbjZ9FEaoNJbbbZJbbb:;arJbbbb9GEMgr:lJbbb9p9DTmbar:Ohsxekcjjjj94hskdndnadcl9hmbabaifgzas86bbazcifam86bbazcdfaw86bbazcefaP86bbxekabaDfgzas87ebazcofam87ebazclfaw87ebazcdfaP87ebkalczfhlaiclfhiaDcwfhDaecufgembkkk;hlld99eud99eudnaeTmbdndncuaicuftcu7:YgvJbbbZMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikaic;8FiGhrinabcofcicdalclfIdb:lalIdb:l9EgialcwfIdb:lalaicdtfIdb:l9EEgialcxfIdb:lalaicdtfIdb:l9EEgiarV87ebdndnJbbj:;JbbjZalaicdtfIdbJbbbb9DEgoalaicd7cdtfIdbJ;Zl:1ZNNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabcdfaq87ebdndnalaicefciGcdtfIdbJ;Zl:1ZNaoNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabaq87ebdndnaoalaicufciGcdtfIdbJ;Zl:1ZNNgoJbbj:;aoJbbj:;9GEgwJbbjZawJbbjZ9FEavNJbbbZJbbb:;aoJbbbb9GEMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikabclfai87ebabcwfhbalczfhlaecufgembkkk:dvdxue998Jjjjjbcjd9Rgo8Kjjjjbadcd4hrdndndndnavcd9hmbadcl6meaohwarhDinawc:CuBdbawclfhwaDcufgDmbkaeTmiadcl6mdarcdthqalhkcbhxinaohwakhDarhminawawydbgPaDydbgscL4cFeGc:cufcbasEgsaPas9kEBdbaDclfhDawclfhwamcufgmmbkakaqfhkaxcefgxaeSmixbkkaeTmdxekaeTmekavcb9hadcl6gqVhzarcdthxavce9hhHcbhdindndndnaHmbaqmdc:CuhDalhwarhminaDawydbgPcL4cFeGc:cufcbaPEgPaDaP9kEhDawclfhwamcufgmmbxdkkc:CuhDazmbaohwalhmarhPinawamydbgscL4cFeGgkc8Aakc8A9kEc:cufcbasEBdbamclfhmawclfhwaPcufgPmbkkaqmbcbhwarhPinaDhmdnavceSmbaoawfydbhmkdndnalawfIdbgOcjjj;8iamai9RcefgmcLt9R::NJbbbZJbbb:;aOJbbbb9GEMgO:lJbbb9p9DTmbaO:Ohsxekcjjjj94hskabawfascFFFrGamcKtVBdbawclfhwaPcufgPmbkkabaxfhbalaxfhladcefgdae9hmbkkaocjdf8Kjjjjbk;HqdCui998Jjjjjbc:qd9Rgv8Kjjjjbavc:Sefcbc;KbzNjjjb8AcbhodnadTmbcbhoaiTmbdnabae9hmbavcuadcdtgradcFFFFi0Ecbyd:m:kjjbHjjjjbbgeBd:SeavceBd:mdaeabarz:tjjjb8Akavc:GefcwfcbBdbav9cb83i:Geavc:Gefaeadaiavc:Sefz:njjjbavyd:Gehwadci9UgDcbyd:m:kjjbHjjjjbbhravc:Sefavyd:mdgqcdtfarBdbavaqcefgkBd:mdarcbaDzNjjjbhxavc:SefakcdtfcuaicdtaicFFFFi0Ecbyd:m:kjjbHjjjjbbgmBdbavaqcdfgPBd:mdawhramhkinakalIdbalarydbgscwascw6Ecdtfc;ebfIdbMUdbarclfhrakclfhkaicufgimbkavc:SefaPcdtfcuaDcdtadcFFFF970Ecbyd:m:kjjbHjjjjbbgPBdbdnadci6mbaehraPhkaDhiinakamarydbcdtfIdbamarclfydbcdtfIdbMamarcwfydbcdtfIdbMUdbarcxfhrakclfhkaicufgimbkkaqcifhoavc;qbfhzavhravyd:KehHavyd:OehOcbhscbhkcbhAcehCinarhXcihQaeakci2gLcdtfgrydbhdarclfydbhqabaAcx2fgicwfarcwfydbgKBdbaiclfaqBdbaiadBdbaxakfce86bbazaKBdwazaqBdlazadBdbaPakcdtfcbBdbdnasTmbcihQaXhiinazaQcdtfaiydbgrBdbaQaraK9harad9haraq9hGGfhQaiclfhiascufgsmbkkaAcefhAcbhsinaOaHaeasaLfcdtfydbcdtgifydbcdtfgKhrawaifgqydbgdhidnadTmbdninarydbakSmearclfhraicufgiTmdxbkkaraKadcdtfc98fydbBdbaqaqydbcufBdbkascefgsci9hmbkdndnaQTmbcuhkJbbbbhYcbhqavyd:KehKavyd:OehLindndnawazaqcdtfydbcdtgsfydbgrmbaqcefhqxekaqcs0hiamasfgdIdbh8AadalcbaqcefgqaiEcdtfIdbalarcwarcw6Ecdtfc;ebfIdbMgEUdbaEa8A:thEarcdthiaLaKasfydbcdtfhrinaParydbgscdtfgdaEadIdbMg8AUdba8AaYaYa8A9DgdEhYasakadEhkarclfhraic98fgimbkkaqaQ9hmbkakcu9hmekaCaD9pmdindnaxaCfRbbmbaChkxdkaDaCcefgC9hmbxikkaQczaQcz6EhsazhraXhzakcu9hmbkkaocdtavc:Seffc98fhrdninaoTmearydbcbyd1:kjjbH:bjjjbbarc98fhraocufhoxbkkavc:qdf8Kjjjjbk;IlevucuaicdtgvaicFFFFi0Egocbyd:m:kjjbHjjjjbbhralalyd9GgwcdtfarBdbalawcefBd9GabarBdbaocbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdlcuadcdtadcFFFFi0Ecbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdwabydbcbavzNjjjb8Aadci9UhDdnadTmbabydbhoaehladhrinaoalydbcdtfgvavydbcefBdbalclfhlarcufgrmbkkdnaiTmbabydbhlabydlhrcbhvaihoinaravBdbarclfhralydbavfhvalclfhlaocufgombkkdnadci6mbabydlhrabydwhvcbhlinaecwfydbhoaeclfydbhdaraeydbcdtfgwawydbgwcefBdbavawcdtfalBdbaradcdtfgdadydbgdcefBdbavadcdtfalBdbaraocdtfgoaoydbgocefBdbavaocdtfalBdbaecxfheaDalcefgl9hmbkkdnaiTmbabydlheabydbhlinaeaeydbalydb9RBdbalclfhlaeclfheaicufgimbkkkQbabaeadaic:01jjbz:mjjjbkQbabaeadaic:C:jjjbz:mjjjbk9DeeuabcFeaicdtzNjjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk;Wkivuo99lu8Jjjjjbc;W;Gb9Rgl8Kjjjjbcbhvalcj;Gbfcbc;KbzNjjjb8AalcuadcdtadcFFFFi0Egocbyd:m:kjjbHjjjjbbgrBdj9GalceBd;G9GalcFFF;7rBdwal9cFFF;7;3FF:;Fb83dbalcFFF97Bd;S9Gal9cFFF;7FFF:;u83d;K9Gaicd4hwdndnadmbJFFuFhDJFFuuhqJFFuuhkJFFuFhxJFFuuhmJFFuFhPxekawcdthsaehzincbhiinalaifgHazaifIdbgDaHIdbgxaxaD9EEUdbalc;K;GbfaifgHaDaHIdbgxaxaD9DEUdbaiclfgicx9hmbkazasfhzavcefgvad9hmbkalIdwhqalId;S9GhDalIdlhkalId;O9GhxalIdbhmalId;K9GhPkdndnadTmbJbbbbJbbjZJbbbbaPam:tgPaPJbbbb9DEgPaxak:tgxaxaP9DEgxaDaq:tgDaDax9DEgD:vaDJbbbb9BEhDawcdthsarhHadhzindndnaDaeIdbam:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c;d;H:WKGcv2c;j:KM;jbGhvdndnaDaeclfIdbak:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2c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// embed! wasm
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// embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
@@ -194,6 +194,7 @@ var MeshoptEncoder = (function () {
 				Separate: 0,
 				SharedVector: 1,
 				SharedComponent: 2,
+				Clamped: 3,
 			};
 			return filter(instance.exports.meshopt_encodeFilterExp, source, count, stride, bits, stride, mode ? table[mode] : 1);
 		},
diff --git a/js/meshopt_encoder.test.js b/js/meshopt_encoder.test.js
index f14b8d0383..e6a5de8fa4 100644
--- a/js/meshopt_encoder.test.js
+++ b/js/meshopt_encoder.test.js
@@ -142,6 +142,17 @@ var tests = {
 		assert.deepEqual(encoded, bytes(expected));
 	},
 
+	encodeFilterExpClamp: function () {
+		var data = new Float32Array([1, -23.4, -0.1]);
+
+		var expected = new Uint32Array([0xf3002000, 0xf7ffd133, 0xf2fff99a]);
+
+		// 1 vector with 3 components (12 bytes), encode each vector into 12 bytes with 15 bits of precision/component
+		// exponents are separate but clamped to 0
+		var encoded = encoder.encodeFilterExp(data, 1, 12, 15, 'Clamped');
+		assert.deepEqual(encoded, bytes(expected));
+	},
+
 	encodeGltfBuffer: function () {
 		var data = new Uint32Array([0, 1, 2, 2, 1, 3, 4, 6, 5, 7, 8, 9]);
 

From 3399d153c1a6101eb72eff3e14c235a4ecc1dae7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 18 Oct 2024 08:17:12 -0700
Subject: [PATCH 387/581] gltfpack: Use SharedComponent encoding for normal
 deltas

We previously used Clamped in -c mode for normal deltas; but normal
deltas may be fairly small. Normally preserving these requires more bits
but if the user already opted into floating point normals it would be
more reasonable to use SharedComponent to dynamically adjust to the
delta range. This also fixes the odd corner case where the deltas may be
erased at -c but kept at -cc.
---
 gltf/stream.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gltf/stream.cpp b/gltf/stream.cpp
index 2c537e4495..402c743f1a 100644
--- a/gltf/stream.cpp
+++ b/gltf/stream.cpp
@@ -452,7 +452,7 @@ StreamFormat writeVertexStream(std::string& bin, const Stream& stream, const Qua
 
 		// expand the encoded range to ensure it covers [0..1) interval
 		if (settings.nrm_float)
-			return writeVertexStreamFloat(bin, stream, cgltf_type_vec3, 3, settings, settings.nrm_bits, settings.compressmore ? meshopt_EncodeExpSharedComponent : meshopt_EncodeExpClamped);
+			return writeVertexStreamFloat(bin, stream, cgltf_type_vec3, 3, settings, settings.nrm_bits, settings.compressmore || stream.target ? meshopt_EncodeExpSharedComponent : meshopt_EncodeExpClamped);
 
 		bool oct = settings.compressmore && stream.target == 0;
 		int bits = settings.nrm_bits;

From 14dad04e719884a45174848ae976fac791c814c6 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 17 Oct 2024 15:03:37 -0700
Subject: [PATCH 388/581] Update README.md

Document clamped exponent mode in main documentation and lightly
document the `mode` parameter for JS.
---
 README.md    | 1 +
 js/README.md | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index fbba91fed4..481b1ee95d 100644
--- a/README.md
+++ b/README.md
@@ -251,6 +251,7 @@ To further leverage the inherent structure of some data, the preparation stage c
     - `meshopt_EncodeExpSeparate` does not share exponents and results in the largest output
     - `meshopt_EncodeExpSharedVector` shares exponents between different components of the same vector
     - `meshopt_EncodeExpSharedComponent` shares exponents between the same component in different vectors
+    - `meshopt_EncodeExpClamped` does not share exponents but clamps the exponent range to reduce exponent entropy
 
 Note that all filters are lossy and require the data to be deinterleaved with one attribute per stream; this faciliates efficient SIMD implementation of filter decoders, allowing the overall decompression speed to be close to that of the raw codec.
 
diff --git a/js/README.md b/js/README.md
index f115fc12c6..b9fded9362 100644
--- a/js/README.md
+++ b/js/README.md
@@ -93,7 +93,7 @@ To that end, three filter encoders are provided: octahedral (optimal for normal
 ```ts
 encodeFilterOct: (source: Float32Array, count: number, stride: number, bits: number) => Uint8Array;
 encodeFilterQuat: (source: Float32Array, count: number, stride: number, bits: number) => Uint8Array;
-encodeFilterExp: (source: Float32Array, count: number, stride: number, bits: number) => Uint8Array;
+encodeFilterExp: (source: Float32Array, count: number, stride: number, bits: number, mode?: string) => Uint8Array;
 ```
 
 All these functions take a source floating point buffer as an input, and perform a complex transformation that, when reversed by a decoder, results in an optimally quantized decompressed output. Because of this these functions assume specific configuration of input and output data:
@@ -103,6 +103,7 @@ All these functions take a source floating point buffer as an input, and perform
 - `encodeFilterQuat` takes each 4 floats from the source array (for a total of `count` 4-vectrors), treats them as a unit quaternion, and encodes them into `stride` bytes in a way that, when decoded, the result is stored as a normalized signed 4-vector representing the same rotation as the source quaternion. `stride` must be 8 (the round-trip result is 4 16-bit normalized values). `bits` represents the desired precision of each component and must be in `[4..16]` range, although using less than 9-10 bits is likely going to lead to significant deviation in rotations.
 
 - `encodeFilterExp` takes each K floats from the source array (where `K=stride/4`, for a total of `count` K-vectors), and encodes them into `stride` bytes in a way that, when decoded, the result is stored as K single-precision floating point values. This may seem redundant but it allows to trade some precision for a higher compression ratio due to reduced precision of stored components, controlled by `bits` which must be in `[1..24]` range, and a shared exponent encoding used by the function.
+The `mode` parameter can be used to influence the exponent sharing and provides a tradeoff between compressed size and quality for various use cases, and can be one of 'Separate', 'SharedVector', 'SharedComponent' and 'Clamped' (defaulting to 'SharedVector').
 
 Note that in all cases using the highest `bits` value allowed by the output `stride` won't change the size of the output array (which is always going to be `count * stride` bytes), but it *will* reduce compression efficiency, as such the lowest acceptable `bits` value is recommended to use. When multiple parts of the data require different levels of precision, encode filters can be called multiple times and the output of the same filter called with the same `stride` can be concatenated even if `bits` are different.
 

From 7bb503fdee070c8552e89d774a7d30a5c6766dcd Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 18 Oct 2024 08:24:31 -0700
Subject: [PATCH 389/581] js: Update README.md

Document ErrorAbsolute and Sparse options for simplification. Sparse is
probably less useful in JS as the cost of copying the vertex data is
paid in full but would still be useful to reduce memory consumption and
improve performance; Prune is only available as an experimental option
and we currently don't document those.
---
 js/README.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/js/README.md b/js/README.md
index b9fded9362..19c9734f38 100644
--- a/js/README.md
+++ b/js/README.md
@@ -143,7 +143,9 @@ Upon completion, the function returns the new index buffer as well as the result
 
 To control behavior of the algorithm more precisely, `flags` may specify an array of strings that enable various additional options:
 
-- `"LockBorder"` locks the vertices that lie on the topological border of the mesh in place such that they don't move during simplification. This can be valuable to simplify independent chunks of a mesh, for example terrain, to ensure that individual levels of detail can be stitched together later without gaps.
+- `'LockBorder'` locks the vertices that lie on the topological border of the mesh in place such that they don't move during simplification. This can be valuable to simplify independent chunks of a mesh, for example terrain, to ensure that individual levels of detail can be stitched together later without gaps.
+- `'ErrorAbsolute'` changes the error metric from relative to absolute both for the input error limit as well as for the resulting error. This can be used instead of `getScale`.
+- `'Sparse'` improves simplification performance assuming input indices are a sparse subset of the mesh. This can be useful when simplifying small mesh subsets independently. For consistency, it is recommended to use absolute errors when sparse simplification is desired.
 
 When the resulting mesh is stored, it might be desireable to remove the redundant vertices from the attribute buffers instead of simply using the original vertex data with the smaller index buffer. For that purpose, the simplifier module provides the `compactMesh` function, which is similar to `reorderMesh` function that the encoder provides, but doesn't perform extra optimizations and merely prepares a new vertex order that can be used to create new, smaller, vertex buffers:
 

From b0cc223e1a973b848a539c31ae0c4647af598ed7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 18 Oct 2024 11:49:19 -0700
Subject: [PATCH 390/581] demo: Add average strip length to demo output

This is a similar efficiency measure to strip index count and can be
used to compare the results to other published algorithms. For
simplicity, we only measure the strip length when restart indices are
used; the results should not depend on whether that's the case (compared
to strip index percentage which does).
---
 demo/main.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 87798f0fcf..96ac6ec5c9 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -865,6 +865,10 @@ void stripify(const Mesh& mesh, bool use_restart, char desc)
 	strip.resize(meshopt_stripify(&strip[0], &mesh.indices[0], mesh.indices.size(), mesh.vertices.size(), restart_index));
 	double end = timestamp();
 
+	size_t restarts = 0;
+	for (size_t i = 0; i < strip.size(); ++i)
+		restarts += use_restart && strip[i] == restart_index;
+
 	Mesh copy = mesh;
 	copy.indices.resize(meshopt_unstripify(&copy.indices[0], &strip[0], strip.size(), restart_index));
 	assert(copy.indices.size() <= meshopt_unstripifyBound(strip.size()));
@@ -877,9 +881,10 @@ void stripify(const Mesh& mesh, bool use_restart, char desc)
 	meshopt_VertexCacheStatistics vcs_amd = meshopt_analyzeVertexCache(&copy.indices[0], mesh.indices.size(), mesh.vertices.size(), 14, 64, 128);
 	meshopt_VertexCacheStatistics vcs_intel = meshopt_analyzeVertexCache(&copy.indices[0], mesh.indices.size(), mesh.vertices.size(), 128, 0, 0);
 
-	printf("Stripify%c: ACMR %f ATVR %f (NV %f AMD %f Intel %f); %d strip indices (%.1f%%) in %.2f msec\n",
+	printf("Stripify%c: ACMR %f ATVR %f (NV %f AMD %f Intel %f); %.1f run avg, %d strip indices (%.1f%%) in %.2f msec\n",
 	    desc,
 	    vcs.acmr, vcs.atvr, vcs_nv.atvr, vcs_amd.atvr, vcs_intel.atvr,
+	    use_restart ? double(strip.size() - restarts) / double(restarts + 1) : 0,
 	    int(strip.size()), double(strip.size()) / double(mesh.indices.size()) * 100,
 	    (end - start) * 1000);
 }

From eae4996507a4f6d995b3b0c1ec7621e7fe822361 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 21 Oct 2024 12:47:24 -0700
Subject: [PATCH 391/581] demo: Refactor meshlets() output for conciseness

It's difficult to work with meshlet demo right now due to the amount of
output; when multiple meshes are specified and multiple algorithms are
tested it becomes distracting.

Additionally, we only test 64/126 configuration right now, which is a
different mode from 64/64: 64/126 almost always terminates meshlets by
running out of vertices, whereas 64/64 almost always runs out of
triangles first. This means some algoritmic changes need to ideally be
tested for both.

Since 8-bit cutoff as well as the alternative culling formula have been
extensively tested, we no longer compute those and consolidate the cone
culling stats into the Bounds row.
---
 demo/main.cpp | 55 ++++++++++++++++-----------------------------------
 1 file changed, 17 insertions(+), 38 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 96ac6ec5c9..2d299e688a 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -934,11 +934,15 @@ static int follow(int* parents, int index)
 	return index;
 }
 
-void meshlets(const Mesh& mesh, bool scan = false)
+void meshlets(const Mesh& mesh, bool scan = false, bool uniform = false)
 {
+	// NVidia-recommends 64/126; we round 126 down to a multiple of 4
+	// alternatively we also test uniform configuration with 64/64 which is better for AMD
 	const size_t max_vertices = 64;
-	const size_t max_triangles = 124; // NVidia-recommended 126, rounded down to a multiple of 4
-	const float cone_weight = 0.5f;   // note: should be set to 0 unless cone culling is used at runtime!
+	const size_t max_triangles = uniform ? 64 : 124;
+
+	// note: should be set to 0 unless cone culling is used at runtime!
+	const float cone_weight = 0.5f;
 
 	// note: input mesh is assumed to be optimized for vertex cache and vertex fetch
 	double start = timestamp();
@@ -1023,17 +1027,15 @@ void meshlets(const Mesh& mesh, bool scan = false)
 	avg_boundary /= double(meshlets.size());
 
 	printf("Meshlets%c: %d meshlets (avg vertices %.1f, avg triangles %.1f, avg boundary %.1f, not full %d, not connected %d) in %.2f msec\n",
-	    scan ? 'S' : ' ',
+	    scan ? 'S' : (uniform ? 'U' : ' '),
 	    int(meshlets.size()), avg_vertices, avg_triangles, avg_boundary, int(not_full), int(not_connected), (end - start) * 1000);
 
 	float camera[3] = {100, 100, 100};
 
 	size_t rejected = 0;
-	size_t rejected_s8 = 0;
-	size_t rejected_alt = 0;
-	size_t rejected_alt_s8 = 0;
 	size_t accepted = 0;
-	size_t accepted_s8 = 0;
+	double radius_mean = 0;
+	double cone_mean = 0;
 
 	std::vector<float> radii(meshlets.size());
 	std::vector<float> cones(meshlets.size());
@@ -1048,36 +1050,22 @@ void meshlets(const Mesh& mesh, bool scan = false)
 		radii[i] = bounds.radius;
 		cones[i] = 90.f - acosf(bounds.cone_cutoff) * (180.f / 3.1415926f);
 
+		radius_mean += radii[i];
+		cone_mean += cones[i];
+
 		// trivial accept: we can't ever backface cull this meshlet
 		accepted += (bounds.cone_cutoff >= 1);
-		accepted_s8 += (bounds.cone_cutoff_s8 >= 127);
 
 		// perspective projection: dot(normalize(cone_apex - camera_position), cone_axis) > cone_cutoff
-		float mview[3] = {bounds.cone_apex[0] - camera[0], bounds.cone_apex[1] - camera[1], bounds.cone_apex[2] - camera[2]};
-		float mviewlength = sqrtf(mview[0] * mview[0] + mview[1] * mview[1] + mview[2] * mview[2]);
-
-		rejected += mview[0] * bounds.cone_axis[0] + mview[1] * bounds.cone_axis[1] + mview[2] * bounds.cone_axis[2] >= bounds.cone_cutoff * mviewlength;
-		rejected_s8 += mview[0] * (bounds.cone_axis_s8[0] / 127.f) + mview[1] * (bounds.cone_axis_s8[1] / 127.f) + mview[2] * (bounds.cone_axis_s8[2] / 127.f) >= (bounds.cone_cutoff_s8 / 127.f) * mviewlength;
-
 		// alternative formulation for perspective projection that doesn't use apex (and uses cluster bounding sphere instead):
 		// dot(normalize(center - camera_position), cone_axis) > cone_cutoff + radius / length(center - camera_position)
 		float cview[3] = {bounds.center[0] - camera[0], bounds.center[1] - camera[1], bounds.center[2] - camera[2]};
 		float cviewlength = sqrtf(cview[0] * cview[0] + cview[1] * cview[1] + cview[2] * cview[2]);
 
-		rejected_alt += cview[0] * bounds.cone_axis[0] + cview[1] * bounds.cone_axis[1] + cview[2] * bounds.cone_axis[2] >= bounds.cone_cutoff * cviewlength + bounds.radius;
-		rejected_alt_s8 += cview[0] * (bounds.cone_axis_s8[0] / 127.f) + cview[1] * (bounds.cone_axis_s8[1] / 127.f) + cview[2] * (bounds.cone_axis_s8[2] / 127.f) >= (bounds.cone_cutoff_s8 / 127.f) * cviewlength + bounds.radius;
+		rejected += cview[0] * bounds.cone_axis[0] + cview[1] * bounds.cone_axis[1] + cview[2] * bounds.cone_axis[2] >= bounds.cone_cutoff * cviewlength + bounds.radius;
 	}
 	double endc = timestamp();
 
-	double radius_mean = 0;
-	double cone_mean = 0;
-
-	for (size_t i = 0; i < meshlets.size(); ++i)
-	{
-		radius_mean += radii[i];
-		cone_mean += cones[i];
-	}
-
 	radius_mean /= double(meshlets.size());
 	cone_mean /= double(meshlets.size());
 
@@ -1095,20 +1083,10 @@ void meshlets(const Mesh& mesh, bool scan = false)
 	for (size_t i = 0; i < meshlets.size(); ++i)
 		meshlets_std += radii[i] < radius_mean + radius_stddev;
 
-	printf("Bounds   : radius mean %f stddev %f; %.1f%% meshlets are under mean+stddev; cone mean half angle %.1f\n",
+	printf("Bounds   : radius mean %f stddev %f; %.1f%% meshlets under 1σ; cone angle %.1f°; cone reject %.1f%% trivial accept %.1f%% in %.2f msec\n",
 	    radius_mean, radius_stddev,
 	    double(meshlets_std) / double(meshlets.size()) * 100,
-	    cone_mean);
-
-	printf("ConeCull : rejected apex %d (%.1f%%) / center %d (%.1f%%), trivially accepted %d (%.1f%%) in %.2f msec\n",
-	    int(rejected), double(rejected) / double(meshlets.size()) * 100,
-	    int(rejected_alt), double(rejected_alt) / double(meshlets.size()) * 100,
-	    int(accepted), double(accepted) / double(meshlets.size()) * 100,
-	    (endc - startc) * 1000);
-	printf("ConeCull8: rejected apex %d (%.1f%%) / center %d (%.1f%%), trivially accepted %d (%.1f%%) in %.2f msec\n",
-	    int(rejected_s8), double(rejected_s8) / double(meshlets.size()) * 100,
-	    int(rejected_alt_s8), double(rejected_alt_s8) / double(meshlets.size()) * 100,
-	    int(accepted_s8), double(accepted_s8) / double(meshlets.size()) * 100,
+	    cone_mean, double(rejected) / double(meshlets.size()) * 100, double(accepted) / double(meshlets.size()) * 100,
 	    (endc - startc) * 1000);
 }
 
@@ -1421,6 +1399,7 @@ void processDev(const char* path)
 		return;
 
 	meshlets(mesh);
+	meshlets(mesh, /* scan= */ false, /* uniform= */ true);
 }
 
 void processNanite(const char* path)

From f73bc02f00989f6b733ff0df98c2e7f3175f4986 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 21 Oct 2024 19:18:03 -0700
Subject: [PATCH 392/581] clusterizer: Fix rescoring to only affect new
 meshlets

When getNeighborTriangle's best selection can't fit into the current
meshlet, we redo the search process using an adjusted criteria that
ignores position/normal as that is irrelevant. However, internally
getNeighborTriangle adjusted best_extra to act as a topology score
instead of just the extra count. This would lead to the last triangle of
the meshlet being reselected in addition to the first one in some cases.

Also change _extra variables to int as these are small.

Note: by itself, this change actually slightly reduces the
clusterization quality due to non-local effects of the rescoring.
---
 src/clusterizer.cpp | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/src/clusterizer.cpp b/src/clusterizer.cpp
index 52fe5a362c..9561e186ae 100644
--- a/src/clusterizer.cpp
+++ b/src/clusterizer.cpp
@@ -238,7 +238,7 @@ static bool appendMeshlet(meshopt_Meshlet& meshlet, unsigned int a, unsigned int
 
 	bool result = false;
 
-	unsigned int used_extra = (av == 0xff) + (bv == 0xff) + (cv == 0xff);
+	int used_extra = (av == 0xff) + (bv == 0xff) + (cv == 0xff);
 
 	if (meshlet.vertex_count + used_extra > max_vertices || meshlet.triangle_count >= max_triangles)
 	{
@@ -283,10 +283,10 @@ static bool appendMeshlet(meshopt_Meshlet& meshlet, unsigned int a, unsigned int
 	return result;
 }
 
-static unsigned int getNeighborTriangle(const meshopt_Meshlet& meshlet, const Cone* meshlet_cone, unsigned int* meshlet_vertices, const unsigned int* indices, const TriangleAdjacency2& adjacency, const Cone* triangles, const unsigned int* live_triangles, const unsigned char* used, float meshlet_expected_radius, float cone_weight, unsigned int* out_extra)
+static unsigned int getNeighborTriangle(const meshopt_Meshlet& meshlet, const Cone* meshlet_cone, unsigned int* meshlet_vertices, const unsigned int* indices, const TriangleAdjacency2& adjacency, const Cone* triangles, const unsigned int* live_triangles, const unsigned char* used, float meshlet_expected_radius, float cone_weight)
 {
 	unsigned int best_triangle = ~0u;
-	unsigned int best_extra = 5;
+	int best_extra = 5;
 	float best_score = FLT_MAX;
 
 	for (size_t i = 0; i < meshlet.vertex_count; ++i)
@@ -301,7 +301,8 @@ static unsigned int getNeighborTriangle(const meshopt_Meshlet& meshlet, const Co
 			unsigned int triangle = neighbors[j];
 			unsigned int a = indices[triangle * 3 + 0], b = indices[triangle * 3 + 1], c = indices[triangle * 3 + 2];
 
-			unsigned int extra = (used[a] == 0xff) + (used[b] == 0xff) + (used[c] == 0xff);
+			int extra = (used[a] == 0xff) + (used[b] == 0xff) + (used[c] == 0xff);
+			assert(extra <= 2);
 
 			// triangles that don't add new vertices to meshlets are max. priority
 			if (extra != 0)
@@ -350,9 +351,6 @@ static unsigned int getNeighborTriangle(const meshopt_Meshlet& meshlet, const Co
 		}
 	}
 
-	if (out_extra)
-		*out_extra = best_extra;
-
 	return best_triangle;
 }
 
@@ -588,13 +586,13 @@ size_t meshopt_buildMeshlets(meshopt_Meshlet* meshlets, unsigned int* meshlet_ve
 	{
 		Cone meshlet_cone = getMeshletCone(meshlet_cone_acc, meshlet.triangle_count);
 
-		unsigned int best_extra = 0;
-		unsigned int best_triangle = getNeighborTriangle(meshlet, &meshlet_cone, meshlet_vertices, indices, adjacency, triangles, live_triangles, used, meshlet_expected_radius, cone_weight, &best_extra);
+		unsigned int best_triangle = getNeighborTriangle(meshlet, &meshlet_cone, meshlet_vertices, indices, adjacency, triangles, live_triangles, used, meshlet_expected_radius, cone_weight);
+		int best_extra = best_triangle == ~0u ? -1 : (used[indices[best_triangle * 3 + 0]] == 0xff) + (used[indices[best_triangle * 3 + 1]] == 0xff) + (used[indices[best_triangle * 3 + 2]] == 0xff);
 
 		// if the best triangle doesn't fit into current meshlet, the spatial scoring we've used is not very meaningful, so we re-select using topological scoring
 		if (best_triangle != ~0u && (meshlet.vertex_count + best_extra > max_vertices || meshlet.triangle_count >= max_triangles))
 		{
-			best_triangle = getNeighborTriangle(meshlet, NULL, meshlet_vertices, indices, adjacency, triangles, live_triangles, used, meshlet_expected_radius, 0.f, NULL);
+			best_triangle = getNeighborTriangle(meshlet, NULL, meshlet_vertices, indices, adjacency, triangles, live_triangles, used, meshlet_expected_radius, 0.f);
 		}
 
 		// when we run out of neighboring triangles we need to switch to spatial search; we currently just pick the closest triangle irrespective of connectivity

From b04ac5a752a6a9ecef626f60579466d6096a7ecc Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 21 Oct 2024 19:26:26 -0700
Subject: [PATCH 393/581] demo: Adjust "not full" calculation for uniform
 meshlets

This might be a little misleading in the future, but uniform meshlets
can almost never reach full vertex utilization as the triangle count
should be reached first on regular meshes. So for now it would be more
useful to count meshlets that don't exhaust the triangle limit even
though this makes the metric differ between two types.
---
 demo/main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 2d299e688a..6a0aad2f74 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -992,7 +992,7 @@ void meshlets(const Mesh& mesh, bool scan = false, bool uniform = false)
 
 		avg_vertices += m.vertex_count;
 		avg_triangles += m.triangle_count;
-		not_full += m.vertex_count < max_vertices;
+		not_full += uniform ? m.triangle_count < max_triangles : m.vertex_count < max_vertices;
 
 		for (unsigned int j = 0; j < m.vertex_count; ++j)
 			if (boundary[meshlet_vertices[m.vertex_offset + j]] > 1)

From 0dc038de11ea82a8347b25a1735130c381703ee4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 22 Oct 2024 07:56:15 -0700
Subject: [PATCH 394/581] clusterizer: Rename extra to priority

To avoid future confusion, we now use extra only to mean "extra vertex
count" and the adjustments are done to priority.
---
 src/clusterizer.cpp | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/src/clusterizer.cpp b/src/clusterizer.cpp
index 9561e186ae..6e46baa50c 100644
--- a/src/clusterizer.cpp
+++ b/src/clusterizer.cpp
@@ -286,7 +286,7 @@ static bool appendMeshlet(meshopt_Meshlet& meshlet, unsigned int a, unsigned int
 static unsigned int getNeighborTriangle(const meshopt_Meshlet& meshlet, const Cone* meshlet_cone, unsigned int* meshlet_vertices, const unsigned int* indices, const TriangleAdjacency2& adjacency, const Cone* triangles, const unsigned int* live_triangles, const unsigned char* used, float meshlet_expected_radius, float cone_weight)
 {
 	unsigned int best_triangle = ~0u;
-	int best_extra = 5;
+	int best_priority = 5;
 	float best_score = FLT_MAX;
 
 	for (size_t i = 0; i < meshlet.vertex_count; ++i)
@@ -304,18 +304,19 @@ static unsigned int getNeighborTriangle(const meshopt_Meshlet& meshlet, const Co
 			int extra = (used[a] == 0xff) + (used[b] == 0xff) + (used[c] == 0xff);
 			assert(extra <= 2);
 
-			// triangles that don't add new vertices to meshlets are max. priority
-			if (extra != 0)
-			{
-				// artificially increase the priority of dangling triangles as they're expensive to add to new meshlets
-				if (live_triangles[a] == 1 || live_triangles[b] == 1 || live_triangles[c] == 1)
-					extra = 0;
+			int priority = -1;
 
-				extra++;
-			}
+			// triangles that don't add new vertices to meshlets are max. priority
+			if (extra == 0)
+				priority = 0;
+			// artificially increase the priority of dangling triangles as they're expensive to add to new meshlets
+			else if (live_triangles[a] == 1 || live_triangles[b] == 1 || live_triangles[c] == 1)
+				priority = 1;
+			else
+				priority = 1 + extra;
 
 			// since topology-based priority is always more important than the score, we can skip scoring in some cases
-			if (extra > best_extra)
+			if (priority > best_priority)
 				continue;
 
 			float score = 0;
@@ -342,10 +343,10 @@ static unsigned int getNeighborTriangle(const meshopt_Meshlet& meshlet, const Co
 
 			// note that topology-based priority is always more important than the score
 			// this helps maintain reasonable effectiveness of meshlet data and reduces scoring cost
-			if (extra < best_extra || score < best_score)
+			if (priority < best_priority || score < best_score)
 			{
 				best_triangle = triangle;
-				best_extra = extra;
+				best_priority = priority;
 				best_score = score;
 			}
 		}

From 234daba517253a89885309c33b7417412e957165 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 22 Oct 2024 08:12:15 -0700
Subject: [PATCH 395/581] clusterizer: Prioritize triangles with valence 2
 edges

When a triangle has two vertices with valence 2, it's typically
advantageous to prioritize it above others even if that may require an
extra vertex; after removing this triangle, we'll have between one and
two isolated triangles with valence=1 vertex which we'll pick up
immediately.

Avoiding this triangle risks leaving the small triangle cluster alone
and going in a different direction only to collect it later.

This significantly reduces the number of disconnected clusters due to a
better global flow; note that it's important to check for the edge, not
just a single valence=2 vertex, as that results in a worse local
decision that doesn't sufficiently improve global traversal.
---
 src/clusterizer.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/clusterizer.cpp b/src/clusterizer.cpp
index 6e46baa50c..095877a67b 100644
--- a/src/clusterizer.cpp
+++ b/src/clusterizer.cpp
@@ -312,8 +312,12 @@ static unsigned int getNeighborTriangle(const meshopt_Meshlet& meshlet, const Co
 			// artificially increase the priority of dangling triangles as they're expensive to add to new meshlets
 			else if (live_triangles[a] == 1 || live_triangles[b] == 1 || live_triangles[c] == 1)
 				priority = 1;
+			// if two vertices have live count of 2, removing this triangle will make another triangle dangling which is good for overall flow
+			else if ((live_triangles[a] == 2) + (live_triangles[b] == 2) + (live_triangles[c] == 2) >= 2)
+				priority = 2;
+			// otherwise adjust priority to be after the above cases, 3 or 4 based on used[] count
 			else
-				priority = 1 + extra;
+				priority = 2 + extra;
 
 			// since topology-based priority is always more important than the score, we can skip scoring in some cases
 			if (priority > best_priority)

From 2c7e4feaddb5e2bc685c4f6a3925d004ed7f5dcc Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 22 Oct 2024 15:56:57 -0700
Subject: [PATCH 396/581] clusterizer: Prioritize triangles with valence 2
 edges less

Our initial heuristic adjustment is a little too aggressive wrt global
flow: it is very happy to leave the last vertex of a meshlet unused
(when a triangle with extra=2 and a valence-2 edge exists it will always
be selected over a triangle with extra=1), and that increases the
not-full meshlet count more than optimal.

Using 1+extra instead fixes this by using priority 3 for these triangles
so that they can be weighted against extra=1 triangles. This is a
compromise, as fully separating the priorities results in worse global
outcome.
---
 src/clusterizer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/clusterizer.cpp b/src/clusterizer.cpp
index 095877a67b..738add5f2f 100644
--- a/src/clusterizer.cpp
+++ b/src/clusterizer.cpp
@@ -314,7 +314,7 @@ static unsigned int getNeighborTriangle(const meshopt_Meshlet& meshlet, const Co
 				priority = 1;
 			// if two vertices have live count of 2, removing this triangle will make another triangle dangling which is good for overall flow
 			else if ((live_triangles[a] == 2) + (live_triangles[b] == 2) + (live_triangles[c] == 2) >= 2)
-				priority = 2;
+				priority = 1 + extra;
 			// otherwise adjust priority to be after the above cases, 3 or 4 based on used[] count
 			else
 				priority = 2 + extra;

From 39660d363d823f10f954a054442ba4fbc70fbdcb Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 23 Oct 2024 09:31:58 -0700
Subject: [PATCH 397/581] js: Update Wasm binaries for clusterizer

Incorporates tweaks to priority heuristics
---
 js/meshopt_clusterizer.js        | 2 +-
 js/meshopt_clusterizer.module.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/meshopt_clusterizer.js b/js/meshopt_clusterizer.js
index 3439fc3987..d22cc54e1d 100644
--- a/js/meshopt_clusterizer.js
+++ b/js/meshopt_clusterizer.js
@@ -4,7 +4,7 @@ var MeshoptClusterizer = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
-		'b9H79Tebbbe9Rx9Geueu9Geub9Gbb9Giuuueu9Gkuuuuuuuuuu99eu9Gvuuuuueu9Gxuuuuuuuuu9999ueu9Gruuuuuuub9Gkuuuuuuuuuuueu9Gouuuuuub9Giuuub9GluuuubiOHdilvorwDqrkbiibeilve9Weiiviebeoweuec:q:Odkr:Yewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9I919P29K9nW79O2Wt79c9V919U9KbeX9TW79O9V9Wt9F9I919P29K9nW79O2Wt7bd39TW79O9V9Wt9F9J9V9T9W91tWJ2917tWV9c9V919U9K7br39TW79O9V9Wt9F9J9V9T9W91tW9nW79O2Wt9c9V919U9K7bDL9TW79O9V9Wt9F9V9Wt9P9T9P96W9nW79O2Wtbql79IV9RbkDwebcekdsPq:H9kHdbkIbabaec9:fgefcufae9Ugeabci9Uadfcufad9Ugbaeab0Ek;HOlPue99eux998Jjjjjbc:We9Rgk8Kjjjjbakc;mbfcbc;Kbz:njjjb8AakcuaocdtgxaocFFFFi0Egmcbyd:e1jjbHjjjjbbgPBd9makceBd:SeakaPBdnakamcbyd:e1jjbHjjjjbbgsBd9qakcdBd:SeakasBd9eakcualcdtalcFFFFi0Ecbyd:e1jjbHjjjjbbgzBd9uakazBd9iakciBd:SeaPcbaxz:njjjbhHalci9UhOdnalTmbaihPalhAinaHaPydbcdtfgCaCydbcefBdbaPclfhPaAcufgAmbkkdnaoTmbcbhPashAaHhCaohXinaAaPBdbaAclfhAaCydbaPfhPaCclfhCaXcufgXmbkkdnalci6mbcbhPaihAinaAcwfydbhCaAclfydbhXasaAydbcdtfgQaQydbgQcefBdbazaQcdtfaPBdbasaXcdtfgXaXydbgXcefBdbazaXcdtfaPBdbasaCcdtfgCaCydbgCcefBdbazaCcdtfaPBdbaAcxfhAaOaPcefgP9hmbkkdnaoTmbaHhAashPaohCinaPaPydbaAydb9RBdbaAclfhAaPclfhPaCcufgCmbkkakamcbyd:e1jjbHjjjjbbgPBd9yakclBd:SeaPaHaxz:mjjjbhmakaOcbyd:e1jjbHjjjjbbgPBd9CakcvBd:SeaPcbaOz:njjjbhLakcuaOcK2alcjjjjd0Ecbyd:e1jjbHjjjjbbgKBd9GakcoBd:SeJbbbbhYdnalci6g8Ambarcd4hxaihAaKhPaOhrJbbbbhEinavaAclfydbax2cdtfgCIdlh3avaAydbax2cdtfgXIdlhYavaAcwfydbax2cdtfgQIdlh5aCIdwh8EaXIdwh8FaQIdwhaaPaCIdbghaXIdbggMaQIdbg8JMJbbnn:vUdbaPclfaXIdlaCIdlMaQIdlMJbbnn:vUdbaQIdwh8KaCIdwh8LaXIdwh8MaPcxfa3aY:tg3aaa8F:tgaNa5aY:tg5a8Ea8F:tg8EN:tgYJbbbbJbbjZahag:tgha5Na8Jag:tgga3N:tg8Fa8FNaYaYNa8EagNaaahN:tgYaYNMM:rgg:vagJbbbb9BEg3NUdbaPczfaYa3NUdbaPcCfa8Fa3NUdbaPcwfa8Ka8Ma8LMMJbbnn:vUdbaEagMhEaAcxfhAaPcKfhParcufgrmbkaEaO:Z:vJbbbZNhYkakcuaOcdtalcFFFF970Ecbyd:e1jjbHjjjjbbgCBd9KakcrBd:SeaYaD:ZN:rhYdna8AmbcbhPaChAinaAaPBdbaAclfhAaOaPcefgP9hmbkkaYJbbbZNh8MakcuaOcltalcFFFFd0Ecbyd:e1jjbHjjjjbbg8ABd9OakcwBd:Secba8AaKaCaOz:djjjb8Aakaocbyd:e1jjbHjjjjbbgPBd2aPcFeaoz:njjjbhrakc8Wfcwf9cb83ibak9cb83i8WcbhPJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgcbhlinJbbbbh3dnaPTmbJbbjZaP:Z:vh3kaka8Ea3NgaUdaaka5a3NghUd3akaEa3Ng8JUdKJbbbbh3dnagagNaYaYNa8Fa8FNMMg8KJbbbb9BmbJbbjZa8K:r:vh3kakaga3NUd8Saka8Fa3NUdyakaYa3NUd8KakcbBdCdndndnakyd8WgXakydUgAakcKfaeaiakc;abfaKamara8MaqakcCfz:ejjjbgCcuSmbdnaPaD9pmbakydCaAfaw9nmdkaXaAcbaeaiakc;abfaKamara8MJbbbbcbz:ejjjbgCcu9hmekakaaUdzakahUdxaka8JUdwakcuBdlakcFFF;7rBdba8AcbaKaLakcwfakclfakz:fjjjbakydlgCcuSmekdnakc8WfaiaCcx2fgOydbgPaOclfydbgAaOcwfydbgXarabaeadalawaDz:gjjjbTmbalcefhlJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgkamaPcdtfgPaPydbcufBdbamaAcdtfgPaPydbcufBdbamaXcdtfgPaPydbcufBdbcbhXinazasaOaXcdtfydbcdtgAfydbcdtfgxhPaHaAfgvydbgQhAdnaQTmbdninaPydbaCSmeaPclfhPaAcufgATmdxbkkaPaxaQcdtfc98fydbBdbavavydbcufBdbkaXcefgXci9hmbkaKaCcK2fgPIdbh3aPIdlhaaPIdwhhaPIdxh8JaPIdzh8KaPIdCh8LaLaCfce86bbaga8LMhga8Fa8KMh8FaYa8JMhYa8EahMh8Ea5aaMh5aEa3MhEakyd88hPxekkdnaPTmbdnakyd80gAaPci2fgCciGTmbadaCfcbaPaAcu7fciGcefz:njjjb8AkabalcltfgPak8Pi8W83dbaPcwfakc8Wfcwf8Pib83dbalcefhlkcahPdninaPc98Smeakc;mbfaPfydbcbydj1jjbH:bjjjbbaPc98fhPxbkkakc:Wef8Kjjjjbalk;3vivuv99lu8Jjjjjbca9Rgv8Kjjjjbdndnalcw0mbaiydbhoaeabcitfgralcdtcufBdlaraoBdbdnalcd6mbaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkkalabfhrxekcbhDavczfcwfcbBdbav9cb83izavcwfcbBdbav9cb83ibJbbjZhqJbbjZhkinadaiaDcdtfydbcK2fhwcbhrinavczfarfgoawarfIdbgxaoIdbgm:tgPakNamMgmUdbavarfgoaPaxam:tNaoIdbMUdbarclfgrcx9hmbkJbbjZaqJbbjZMgq:vhkaDcefgDal9hmbkcbhoadcbcecdavIdlgxavIdwgm9GEgravIdbgPam9GEaraPax9GEgscdtgrfhzavczfarfIdbhxaihralhwinaiaocdtfgDydbhHaDarydbgOBdbaraHBdbarclfhraoazaOcK2fIdbax9Dfhoawcufgwmbkaeabcitfhrdndnaocv6mbaoalc98f6mekaraiydbBdbaralcdtcufBdlaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkalabfhrxekaraxUdbaeabcitfgrarydlc98GasVBdlabcefaeadaiaoz:djjjbhwararydlciGawabcu7fcdtVBdlawaeadaiaocdtfalao9Rz:djjjbhrkavcaf8Kjjjjbark;eloeue99vue99oue99dndnaembcuhxcvhbxekJbbjZaq:thmaiabcdtfhPavydbhsavydlhzavydwhHcbhOJFFuuhAcvhbcuhxindnasaPaOcdtfydbcdtgvfydbgCTmbaHazavfydbcdtfhvindndndnawalavydbgXcx2fgiclfydbgQfRbbcFeSawaiydbgLfRbbcFeSfawaicwfydbgKfRbbcFeSfgimbcbhYxekdndnaraLcdtfydbceSmbaraQcdtfydbceSmbaraKcdtfydbce9hmekcbhikaiab9pmeaicefhYkdndnadTmbaoaXcK2fgiIdwadIdw:tg8Aa8ANaiIdbadIdb:tg8Aa8ANaiIdladIdl:tg8Aa8ANMM:raD:vamNJbbjZMJ9VO:d86JbbjZaiIdCadIdCNaiIdxadIdxNaiIdzadIdzNMMaqN:tg8Aa8AJ9VO:d869DENh8AxekaraLcdtfydbaraQcdtfydbfaraKcdtfydbfc99f:Zh8AkaXaxaYab6a8AaA9DVgiEhxaYabaiEhba8AaAaiEhAkavclfhvaCcufgCmbkkaOcefgOae9hmbkkdnakTmbakabBdbkaxk;bddlue99dndndnabaecitfgrydlgwciGgDci9hmbarclfhqxekinabcbawcd4gwalaDcdtfIdbabaecitfIdb:tgkJbbbb9FEgDaecefgefadaialavaoz:fjjjbak:laoIdb9FTmdabaDaw7aefgecitfgrydlgwciGgDci9hmbkarclfhqkabaecitfhecuhbindnaiaeydbgDfRbbmbadaDcK2fgrIdwalIdw:tgkakNarIdbalIdb:tgkakNarIdlalIdl:tgkakNMM:rgkaoIdb9DTmbaoakUdbavaDBdbaqydbhwkaecwfheabcefgbawcd46mbkkk;yleoudnaladfgkRbbcFeSalaefgxRbbgmcFeSfabydwgPfalaifgsRbbcFeSfaD0abydxaq9pVgzce9hmbavawcltfgmab8Pdb83dbamcwfabcwfgm8Pdb83dbdndnamydbmbcbhqxekcbhDaohminalamabydbcdtfydbfcFe8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hoadhiinaoaifavaifRbb86bbaicufhialcufglmbkkadcl6mdaec98fhlabc98fhvinavaifgecifalaifgdcifRbb86bbaecdfadcdfRbb86bbaecefadcefRbb86bbaeadRbb86bbaic98fgimbxikkavcl6mbdnavc98fglcd4cefcrGgdTmbavadcdt9RhvinaiaeydbBdbaeclfheaiclfhiadcufgdmbkkalc36mbinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaiaeydzBdzaiaeydCBdCaiaeydKBdKaiaeyd3Bd3aecafheaicafhiavc9Gfgvci0mbkkavTmbdndnavcrGgdmbavhlxekavc94GhlinaiaeRbb86bbaicefhiaecefheadcufgdmbkkavcw6mbinaiaeRbb86bbaiaeRbe86beaiaeRbd86bdaiaeRbi86biaiaeRbl86blaiaeRbv86bvaiaeRbo86boaiaeRbr86braicwfhiaecwfhealc94fglmbkkabkkAebcjwkxebbbdbbbzNbb'; // embed! wasm
+		'b9H79Tebbbefx9Geueu9Geub9Gbb9Giuuueu9Gkuuuuuuuuuu99eu9Gvuuuuueu9Gkuuuuuuuuu9999eu9Gruuuuuuub9Gkuuuuuuuuuuueu9Gouuuuuub9Giuuub9GluuuubiOHdilvorwDqrkbiibeilve9Weiiviebeoweuec:q:Odkr:Yewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9I919P29K9nW79O2Wt79c9V919U9KbeX9TW79O9V9Wt9F9I919P29K9nW79O2Wt7bd39TW79O9V9Wt9F9J9V9T9W91tWJ2917tWV9c9V919U9K7br39TW79O9V9Wt9F9J9V9T9W91tW9nW79O2Wt9c9V919U9K7bDL9TW79O9V9Wt9F9V9Wt9P9T9P96W9nW79O2Wtbql79IV9RbkDwebcekdsPq;L9kHdbkIbabaec9:fgefcufae9Ugeabci9Uadfcufad9Ugbaeab0Ek:oAlPue99eux998Jjjjjbc:We9Rgk8Kjjjjbakc;mbfcbc;Kbz:njjjb8AakcuaocdtgxaocFFFFi0Egmcbyd:e1jjbHjjjjbbgPBd9makceBd:SeakaPBdnakamcbyd:e1jjbHjjjjbbgsBd9qakcdBd:SeakasBd9eakcualcdtalcFFFFi0Ecbyd:e1jjbHjjjjbbgzBd9uakazBd9iakciBd:SeaPcbaxz:njjjbhHalci9UhOdnalTmbaihPalhAinaHaPydbcdtfgCaCydbcefBdbaPclfhPaAcufgAmbkkdnaoTmbcbhPashAaHhCaohXinaAaPBdbaAclfhAaCydbaPfhPaCclfhCaXcufgXmbkkdnalci6mbcbhPaihAinaAcwfydbhCaAclfydbhXasaAydbcdtfgQaQydbgQcefBdbazaQcdtfaPBdbasaXcdtfgXaXydbgXcefBdbazaXcdtfaPBdbasaCcdtfgCaCydbgCcefBdbazaCcdtfaPBdbaAcxfhAaOaPcefgP9hmbkkdnaoTmbaHhAashPaohCinaPaPydbaAydb9RBdbaAclfhAaPclfhPaCcufgCmbkkakamcbyd:e1jjbHjjjjbbgPBd9yakclBd:SeaPaHaxz:mjjjbhmakaOcbyd:e1jjbHjjjjbbgPBd9CakcvBd:SeaPcbaOz:njjjbhLakcuaOcK2alcjjjjd0Ecbyd:e1jjbHjjjjbbgKBd9GakcoBd:SeJbbbbhYdnalci6g8Ambarcd4hxaihAaKhPaOhrJbbbbhEinavaAclfydbax2cdtfgCIdlh3avaAydbax2cdtfgXIdlhYavaAcwfydbax2cdtfgQIdlh5aCIdwh8EaXIdwh8FaQIdwhaaPaCIdbghaXIdbggMaQIdbg8JMJbbnn:vUdbaPclfaXIdlaCIdlMaQIdlMJbbnn:vUdbaQIdwh8KaCIdwh8LaXIdwh8MaPcxfa3aY:tg3aaa8F:tgaNa5aY:tg5a8Ea8F:tg8EN:tgYJbbbbJbbjZahag:tgha5Na8Jag:tgga3N:tg8Fa8FNaYaYNa8EagNaaahN:tgYaYNMM:rgg:vagJbbbb9BEg3NUdbaPczfaYa3NUdbaPcCfa8Fa3NUdbaPcwfa8Ka8Ma8LMMJbbnn:vUdbaEagMhEaAcxfhAaPcKfhParcufgrmbkaEaO:Z:vJbbbZNhYkakcuaOcdtalcFFFF970Ecbyd:e1jjbHjjjjbbgCBd9KakcrBd:SeaYaD:ZN:rhYdna8AmbcbhPaChAinaAaPBdbaAclfhAaOaPcefgP9hmbkkaYJbbbZNh8MakcuaOcltalcFFFFd0Ecbyd:e1jjbHjjjjbbg8ABd9OakcwBd:Secba8AaKaCaOz:djjjb8Aakaocbyd:e1jjbHjjjjbbgPBd2aPcFeaoz:njjjbhrakc8Wfcwf9cb83ibak9cb83i8WcbhPJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgcbhlinJbbbbh3dnaPTmbJbbjZaP:Z:vh3kaka8Ea3NgaUdaaka5a3NghUd3akaEa3Ng8JUdKJbbbbh3dnagagNaYaYNa8Fa8FNMMg8KJbbbb9BmbJbbjZa8K:r:vh3kakaga3NUd8Saka8Fa3NUdyakaYa3NUd8Kdndndnakyd8WgQakydUgAakcKfaeaiakc;abfaKamara8Maqz:ejjjbgCcuSmbdnaPaD9pmbaAaraiaCcx2fgXydbfRbbcFeSfaraXclfydbfRbbcFeSfaraXcwfydbfRbbcFeSfaw9nmdkaQaAcbaeaiakc;abfaKamara8MJbbbbz:ejjjbgCcu9hmekakaaUdCakahUdzaka8JUdxakcuBdwakcFFF;7rBdla8AcbaKaLakcxfakcwfakclfz:fjjjbakydwgCcuSmekdnakc8WfaiaCcx2fgOydbgPaOclfydbgAaOcwfydbgXarabaeadalawaDz:gjjjbTmbalcefhlJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgkamaPcdtfgPaPydbcufBdbamaAcdtfgPaPydbcufBdbamaXcdtfgPaPydbcufBdbcbhXinazasaOaXcdtfydbcdtgAfydbcdtfgxhPaHaAfgvydbgQhAdnaQTmbdninaPydbaCSmeaPclfhPaAcufgATmdxbkkaPaxaQcdtfc98fydbBdbavavydbcufBdbkaXcefgXci9hmbkaKaCcK2fgPIdbh3aPIdlhaaPIdwhhaPIdxh8JaPIdzh8KaPIdCh8LaLaCfce86bbaga8LMhga8Fa8KMh8FaYa8JMhYa8EahMh8Ea5aaMh5aEa3MhEakyd88hPxekkdnaPTmbdnakyd80gAaPci2fgCciGTmbadaCfcbaPaAcu7fciGcefz:njjjb8AkabalcltfgPak8Pi8W83dbaPcwfakc8Wfcwf8Pib83dbalcefhlkcahPdninaPc98Smeakc;mbfaPfydbcbydj1jjbH:bjjjbbaPc98fhPxbkkakc:Wef8Kjjjjbalk;3vivuv99lu8Jjjjjbca9Rgv8Kjjjjbdndnalcw0mbaiydbhoaeabcitfgralcdtcufBdlaraoBdbdnalcd6mbaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkkalabfhrxekcbhDavczfcwfcbBdbav9cb83izavcwfcbBdbav9cb83ibJbbjZhqJbbjZhkinadaiaDcdtfydbcK2fhwcbhrinavczfarfgoawarfIdbgxaoIdbgm:tgPakNamMgmUdbavarfgoaPaxam:tNaoIdbMUdbarclfgrcx9hmbkJbbjZaqJbbjZMgq:vhkaDcefgDal9hmbkcbhoadcbcecdavIdlgxavIdwgm9GEgravIdbgPam9GEaraPax9GEgscdtgrfhzavczfarfIdbhxaihralhwinaiaocdtfgDydbhHaDarydbgOBdbaraHBdbarclfhraoazaOcK2fIdbax9Dfhoawcufgwmbkaeabcitfhrdndnaocv6mbaoalc98f6mekaraiydbBdbaralcdtcufBdlaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkalabfhrxekaraxUdbaeabcitfgrarydlc98GasVBdlabcefaeadaiaoz:djjjbhwararydlciGawabcu7fcdtVBdlawaeadaiaocdtfalao9Rz:djjjbhrkavcaf8Kjjjjbark;Bloeue99vue99Due99dndnaembcuhkxekJbbjZaq:thxaiabcdtfhmavydbhPavydlhsavydwhzcbhHJFFuuhOcvhbcuhkindnaPamaHcdtfydbcdtgvfydbgATmbazasavfydbcdtfhiindndnawalaiydbgCcx2fgvclfydbgXfRbbcFeSawavydbgQfRbbcFeSfawavcwfydbgLfRbbcFeSfgKmbcbhvxekcehvaraQcdtfydbgYceSmbcehvaraXcdtfydbg8AceSmbcehvaraLcdtfydbgEceSmbdna8AcdSaYcdSfaEcdSfcd6mbaKcefhvxekaKcdfhvkdnavab9kmbdndnadTmbaoaCcK2fgQIdwadIdw:tg3a3NaQIdbadIdb:tg3a3NaQIdladIdl:tg3a3NMM:raD:vaxNJbbjZMJ9VO:d86JbbjZaQIdCadIdCNaQIdxadIdxNaQIdzadIdzNMMaqN:tg3a3J9VO:d869DENh3xekaraQcdtfydbaraXcdtfydbfaraLcdtfydbfc99f:Zh3kaCakavab6a3aO9DVgQEhkavabaQEhba3aOaQEhOkaiclfhiaAcufgAmbkkaHcefgHae9hmbkkakk;bddlue99dndndnabaecitfgrydlgwciGgDci9hmbarclfhqxekinabcbawcd4gwalaDcdtfIdbabaecitfIdb:tgkJbbbb9FEgDaecefgefadaialavaoz:fjjjbak:laoIdb9FTmdabaDaw7aefgecitfgrydlgwciGgDci9hmbkarclfhqkabaecitfhecuhbindnaiaeydbgDfRbbmbadaDcK2fgrIdwalIdw:tgkakNarIdbalIdb:tgkakNarIdlalIdl:tgkakNMM:rgkaoIdb9DTmbaoakUdbavaDBdbaqydbhwkaecwfheabcefgbawcd46mbkkk;yleoudnaladfgkRbbcFeSalaefgxRbbgmcFeSfabydwgPfalaifgsRbbcFeSfaD0abydxaq9pVgzce9hmbavawcltfgmab8Pdb83dbamcwfabcwfgm8Pdb83dbdndnamydbmbcbhqxekcbhDaohminalamabydbcdtfydbfcFe86bbamclfhmaDcefgDabydwgq6mbkkdnabydxglci2gDabydlgmfgPciGTmbaraPfcbalamcu7fciGcefz:njjjb8Aabydxci2hDabydlhmabydwhqkab9cb83dwababydbaqfBdbabaDcifc98GamfBdlaxRbbhmcbhPkdnamcFeGcFe9hmbaxaP86bbababydwgmcefBdwaoabydbcdtfamcdtfaeBdbkdnakRbbcFe9hmbakabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfadBdbkdnasRbbcFe9hmbasabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfaiBdbkarabydlfabydxci2faxRbb86bbarabydlfabydxci2fcefakRbb86bbarabydlfabydxci2fcdfasRbb86bbababydxcefBdxazk;Ckovud99euv99eul998Jjjjjbc:G;ae9Rgo8KjjjjbdndnadTmbavcd4hrcbhwcbhDindnaiaeclfydbar2cdtfgvIdbaiaeydbar2cdtfgqIdbgk:tgxaiaecwfydbar2cdtfgmIdlaqIdlgP:tgsNamIdbak:tgzavIdlaP:tgPN:tgkakNaPamIdwaqIdwgH:tgONasavIdwaH:tgHN:tgPaPNaHazNaOaxN:tgxaxNMM:rgsJbbbb9Bmbaoc:G:qefawcx2fgAakas:vUdwaAaxas:vUdlaAaPas:vUdbaocafawc8K2fgAaq8Pdb83dbaAav8Pdb83dxaAam8Pdb83dKaAcwfaqcwfydbBdbaAcCfavcwfydbBdbaAcafamcwfydbBdbawcefhwkaecxfheaDcifgDad6mbkab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbawTmeao9cb83iKao9cb83izaoczfaocafawci2z1jjjbaoIdKhCaoIdChXaoIdzhQao9cb83iwao9cb83ibaoaoc:G:qefawz1jjjbJbbjZhkaoIdwgPJbbbbJbbjZaPaPNaoIdbgPaPNaoIdlgsasNMM:rgx:vaxJbbbb9BEgzNhxasazNhsaPazNhzaoc:G:qefheawhvinaecwfIdbaxNaeIdbazNasaeclfIdbNMMgPakaPak9DEhkaecxfheavcufgvmbkabaCUdwabaXUdlabaQUdbabaoId3UdxdndnakJ;n;m;m899FmbJbbbbhPaoc:G:qefheaocafhvinaCavcwfIdb:taecwfIdbgHNaQavIdb:taeIdbgONaXavclfIdb:taeclfIdbgLNMMaxaHNazaONasaLNMM:vgHaPaHaP9EEhPavc8KfhvaecxfheawcufgwmbkabazUd3abc8KfaxUdbabcafasUdbabcKfaCaxaPN:tUdbabcCfaXasaPN:tUdbabaQazaPN:tUdzabJbbjZakakN:t:rgkUdydndnaxJbbj:;axJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;axJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohexekcjjjj94hekabc8Ufae86bbdndnasJbbj:;asJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;asJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohvxekcjjjj94hvkabcRfav86bbdndnazJbbj:;azJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;azJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohqxekcjjjj94hqkabaq86b8SdndnaecKtcK91:YJbb;:9c:vax:t:lavcKtcK91:YJbb;:9c:vas:t:laqcKtcK91:YJbb;:9c:vaz:t:lakMMMJbb;:9cNJbbjZMgk:lJbbb9p9DTmbak:Ohexekcjjjj94hekaecFbaecFb9iEhexekabcjjj;8iBdycFbhekabae86b8Vxekab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbkaoc:G;aef8Kjjjjbk:mvdouq99cbhi8Jjjjjbca9RglczfcwfcbBdbal9cb83izalcwfcbBdbal9cb83ibdnadTmbcbhvinaeaifhocbhrinalczfarfgwavawydbgwaoarfIdbgDaearawcx2ffIdb9DEBdbalarfgwavawydbgwaDaearawcx2ffIdb9EEBdbarclfgrcx9hmbkaicxfhiavcefgvad9hmbkkJbbbbhDcbhrcbhicbhvinaealarfydbcx2fgwIdwaealczfarfydbcx2fgoIdw:tgqaqNawIdbaoIdb:tgqaqNawIdlaoIdl:tgqaqNMMgqaDaqaD9EgwEhDavaiawEhiarclfhravcefgvci9hmbkaealczfaicdtgvfydbcx2fgrIdwaealavfydbcx2fglIdwMJbbbZNhqarIdlalIdlMJbbbZNhkarIdbalIdbMJbbbZNhxaD:rJbbbZNhDdnadTmbindnaecwfIdbgmaq:tgPaPNaeIdbgsax:tgPaPNaeclfIdbgzak:tgPaPNMMgPaDaDN9ETmbaqaDaP:rgH:vJbbbZNJbbbZMgPNamJbbjZaP:tgONMhqakaPNazaONMhkaxaPNasaONMhxaDaHMJbbbZNhDkaecxfheadcufgdmbkkabaDUdxabaqUdwabakUdlabaxUdbkjeeiu8Jjjjjbcj8W9Rgr8Kjjjjbaici2hwdnaiTmbawceawce0EhDarhiinaiaeadRbbcdtfydbBdbadcefhdaiclfhiaDcufgDmbkkabarawaladaoz:hjjjbarcj8Wf8Kjjjjbk:Ylequ8Jjjjjbcjx9Rgl8Kjjjjbcbhvalcjqfcbaiz:njjjb8AdndnadTmbcjehoaehrincuhwarhDcuhqavhkdninawakaoalcjqfaDcefRbbfRbb9RcFeGci6aoalcjqfaDRbbfRbb9RcFeGci6faoalcjqfaDcdfRbbfRbb9RcFeGci6fgxaq9mgmEhwdnammbaxce0mdkaxaqaxaq9kEhqaDcifhDadakcefgk9hmbkkaeawci2fgDcdfRbbhqaDcefRbbhxaDRbbhkaeavci2fgDcifaDawav9Rci2z:qjjjb8Aakalcjqffaocefgo86bbaxalcjqffao86bbaDcdfaq86bbaDcefax86bbaDak86bbaqalcjqffao86bbarcifhravcefgvad9hmbkalcFeaiz:njjjbhoadci2gDceaDce0EhqcbhxindnaoaeRbbgkfgwRbbgDcFe9hmbawax86bbaocjdfaxcdtfabakcdtfydbBdbaxhDaxcefhxkaeaD86bbaecefheaqcufgqmbkaxcdthDxekcbhDkabalcjdfaDz:mjjjb8Aalcjxf8Kjjjjbk9teiucbcbyd11jjbgeabcifc98GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd11jjbgeabcrfc94GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd11jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd11jjbfgdBd11jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk:;Deludndndnadch9pmbabaeSmdaeabadfgi9Rcbadcet9R0mekabaead;8qbbxekaeab7ciGhldndndnabae9pmbdnalTmbadhvabhixikdnabciGmbadhvabhixdkadTmiabaeRbb86bbadcufhvdnabcefgiciGmbaecefhexdkavTmiabaeRbe86beadc9:fhvdnabcdfgiciGmbaecdfhexdkavTmiabaeRbd86bdadc99fhvdnabcifgiciGmbaecifhexdkavTmiabaeRbi86biabclfhiaeclfheadc98fhvxekdnalmbdnaiciGTmbadTmlabadcufgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc9:fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc99fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc98fgdfaeadfRbb86bbkadcl6mbdnadc98fgocd4cefciGgiTmbaec98fhlabc98fhvinavadfaladfydbBdbadc98fhdaicufgimbkkaocx6mbaec9Wfhvabc9WfhoinaoadfgicxfavadfglcxfydbBdbaicwfalcwfydbBdbaiclfalclfydbBdbaialydbBdbadc9Wfgdci0mbkkadTmdadhidnadciGglTmbaecufhvabcufhoadhiinaoaifavaifRbb86bbaicufhialcufglmbkkadcl6mdaec98fhlabc98fhvinavaifgecifalaifgdcifRbb86bbaecdfadcdfRbb86bbaecefadcefRbb86bbaeadRbb86bbaic98fgimbxikkavcl6mbdnavc98fglcd4cefcrGgdTmbavadcdt9RhvinaiaeydbBdbaeclfheaiclfhiadcufgdmbkkalc36mbinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaiaeydzBdzaiaeydCBdCaiaeydKBdKaiaeyd3Bd3aecafheaicafhiavc9Gfgvci0mbkkavTmbdndnavcrGgdmbavhlxekavc94GhlinaiaeRbb86bbaicefhiaecefheadcufgdmbkkavcw6mbinaiaeRbb86bbaiaeRbe86beaiaeRbd86bdaiaeRbi86biaiaeRbl86blaiaeRbv86bvaiaeRbo86boaiaeRbr86braicwfhiaecwfhealc94fglmbkkabkkAebcjwkxebbbdbbbzNbb'; // embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
diff --git a/js/meshopt_clusterizer.module.js b/js/meshopt_clusterizer.module.js
index 1a10fa587a..44615aa10b 100644
--- a/js/meshopt_clusterizer.module.js
+++ b/js/meshopt_clusterizer.module.js
@@ -4,7 +4,7 @@ var MeshoptClusterizer = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.21
 	var wasm =
-		'b9H79Tebbbe9Rx9Geueu9Geub9Gbb9Giuuueu9Gkuuuuuuuuuu99eu9Gvuuuuueu9Gxuuuuuuuuu9999ueu9Gruuuuuuub9Gkuuuuuuuuuuueu9Gouuuuuub9Giuuub9GluuuubiOHdilvorwDqrkbiibeilve9Weiiviebeoweuec:q:Odkr:Yewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9I919P29K9nW79O2Wt79c9V919U9KbeX9TW79O9V9Wt9F9I919P29K9nW79O2Wt7bd39TW79O9V9Wt9F9J9V9T9W91tWJ2917tWV9c9V919U9K7br39TW79O9V9Wt9F9J9V9T9W91tW9nW79O2Wt9c9V919U9K7bDL9TW79O9V9Wt9F9V9Wt9P9T9P96W9nW79O2Wtbql79IV9RbkDwebcekdsPq:H9kHdbkIbabaec9:fgefcufae9Ugeabci9Uadfcufad9Ugbaeab0Ek;HOlPue99eux998Jjjjjbc:We9Rgk8Kjjjjbakc;mbfcbc;Kbz:njjjb8AakcuaocdtgxaocFFFFi0Egmcbyd:e1jjbHjjjjbbgPBd9makceBd:SeakaPBdnakamcbyd:e1jjbHjjjjbbgsBd9qakcdBd:SeakasBd9eakcualcdtalcFFFFi0Ecbyd:e1jjbHjjjjbbgzBd9uakazBd9iakciBd:SeaPcbaxz:njjjbhHalci9UhOdnalTmbaihPalhAinaHaPydbcdtfgCaCydbcefBdbaPclfhPaAcufgAmbkkdnaoTmbcbhPashAaHhCaohXinaAaPBdbaAclfhAaCydbaPfhPaCclfhCaXcufgXmbkkdnalci6mbcbhPaihAinaAcwfydbhCaAclfydbhXasaAydbcdtfgQaQydbgQcefBdbazaQcdtfaPBdbasaXcdtfgXaXydbgXcefBdbazaXcdtfaPBdbasaCcdtfgCaCydbgCcefBdbazaCcdtfaPBdbaAcxfhAaOaPcefgP9hmbkkdnaoTmbaHhAashPaohCinaPaPydbaAydb9RBdbaAclfhAaPclfhPaCcufgCmbkkakamcbyd:e1jjbHjjjjbbgPBd9yakclBd:SeaPaHaxz:mjjjbhmakaOcbyd:e1jjbHjjjjbbgPBd9CakcvBd:SeaPcbaOz:njjjbhLakcuaOcK2alcjjjjd0Ecbyd:e1jjbHjjjjbbgKBd9GakcoBd:SeJbbbbhYdnalci6g8Ambarcd4hxaihAaKhPaOhrJbbbbhEinavaAclfydbax2cdtfgCIdlh3avaAydbax2cdtfgXIdlhYavaAcwfydbax2cdtfgQIdlh5aCIdwh8EaXIdwh8FaQIdwhaaPaCIdbghaXIdbggMaQIdbg8JMJbbnn:vUdbaPclfaXIdlaCIdlMaQIdlMJbbnn:vUdbaQIdwh8KaCIdwh8LaXIdwh8MaPcxfa3aY:tg3aaa8F:tgaNa5aY:tg5a8Ea8F:tg8EN:tgYJbbbbJbbjZahag:tgha5Na8Jag:tgga3N:tg8Fa8FNaYaYNa8EagNaaahN:tgYaYNMM:rgg:vagJbbbb9BEg3NUdbaPczfaYa3NUdbaPcCfa8Fa3NUdbaPcwfa8Ka8Ma8LMMJbbnn:vUdbaEagMhEaAcxfhAaPcKfhParcufgrmbkaEaO:Z:vJbbbZNhYkakcuaOcdtalcFFFF970Ecbyd:e1jjbHjjjjbbgCBd9KakcrBd:SeaYaD:ZN:rhYdna8AmbcbhPaChAinaAaPBdbaAclfhAaOaPcefgP9hmbkkaYJbbbZNh8MakcuaOcltalcFFFFd0Ecbyd:e1jjbHjjjjbbg8ABd9OakcwBd:Secba8AaKaCaOz:djjjb8Aakaocbyd:e1jjbHjjjjbbgPBd2aPcFeaoz:njjjbhrakc8Wfcwf9cb83ibak9cb83i8WcbhPJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgcbhlinJbbbbh3dnaPTmbJbbjZaP:Z:vh3kaka8Ea3NgaUdaaka5a3NghUd3akaEa3Ng8JUdKJbbbbh3dnagagNaYaYNa8Fa8FNMMg8KJbbbb9BmbJbbjZa8K:r:vh3kakaga3NUd8Saka8Fa3NUdyakaYa3NUd8KakcbBdCdndndnakyd8WgXakydUgAakcKfaeaiakc;abfaKamara8MaqakcCfz:ejjjbgCcuSmbdnaPaD9pmbakydCaAfaw9nmdkaXaAcbaeaiakc;abfaKamara8MJbbbbcbz:ejjjbgCcu9hmekakaaUdzakahUdxaka8JUdwakcuBdlakcFFF;7rBdba8AcbaKaLakcwfakclfakz:fjjjbakydlgCcuSmekdnakc8WfaiaCcx2fgOydbgPaOclfydbgAaOcwfydbgXarabaeadalawaDz:gjjjbTmbalcefhlJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgkamaPcdtfgPaPydbcufBdbamaAcdtfgPaPydbcufBdbamaXcdtfgPaPydbcufBdbcbhXinazasaOaXcdtfydbcdtgAfydbcdtfgxhPaHaAfgvydbgQhAdnaQTmbdninaPydbaCSmeaPclfhPaAcufgATmdxbkkaPaxaQcdtfc98fydbBdbavavydbcufBdbkaXcefgXci9hmbkaKaCcK2fgPIdbh3aPIdlhaaPIdwhhaPIdxh8JaPIdzh8KaPIdCh8LaLaCfce86bbaga8LMhga8Fa8KMh8FaYa8JMhYa8EahMh8Ea5aaMh5aEa3MhEakyd88hPxekkdnaPTmbdnakyd80gAaPci2fgCciGTmbadaCfcbaPaAcu7fciGcefz:njjjb8AkabalcltfgPak8Pi8W83dbaPcwfakc8Wfcwf8Pib83dbalcefhlkcahPdninaPc98Smeakc;mbfaPfydbcbydj1jjbH:bjjjbbaPc98fhPxbkkakc:Wef8Kjjjjbalk;3vivuv99lu8Jjjjjbca9Rgv8Kjjjjbdndnalcw0mbaiydbhoaeabcitfgralcdtcufBdlaraoBdbdnalcd6mbaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkkalabfhrxekcbhDavczfcwfcbBdbav9cb83izavcwfcbBdbav9cb83ibJbbjZhqJbbjZhkinadaiaDcdtfydbcK2fhwcbhrinavczfarfgoawarfIdbgxaoIdbgm:tgPakNamMgmUdbavarfgoaPaxam:tNaoIdbMUdbarclfgrcx9hmbkJbbjZaqJbbjZMgq:vhkaDcefgDal9hmbkcbhoadcbcecdavIdlgxavIdwgm9GEgravIdbgPam9GEaraPax9GEgscdtgrfhzavczfarfIdbhxaihralhwinaiaocdtfgDydbhHaDarydbgOBdbaraHBdbarclfhraoazaOcK2fIdbax9Dfhoawcufgwmbkaeabcitfhrdndnaocv6mbaoalc98f6mekaraiydbBdbaralcdtcufBdlaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkalabfhrxekaraxUdbaeabcitfgrarydlc98GasVBdlabcefaeadaiaoz:djjjbhwararydlciGawabcu7fcdtVBdlawaeadaiaocdtfalao9Rz:djjjbhrkavcaf8Kjjjjbark;eloeue99vue99oue99dndnaembcuhxcvhbxekJbbjZaq:thmaiabcdtfhPavydbhsavydlhzavydwhHcbhOJFFuuhAcvhbcuhxindnasaPaOcdtfydbcdtgvfydbgCTmbaHazavfydbcdtfhvindndndnawalavydbgXcx2fgiclfydbgQfRbbcFeSawaiydbgLfRbbcFeSfawaicwfydbgKfRbbcFeSfgimbcbhYxekdndnaraLcdtfydbceSmbaraQcdtfydbceSmbaraKcdtfydbce9hmekcbhikaiab9pmeaicefhYkdndnadTmbaoaXcK2fgiIdwadIdw:tg8Aa8ANaiIdbadIdb:tg8Aa8ANaiIdladIdl:tg8Aa8ANMM:raD:vamNJbbjZMJ9VO:d86JbbjZaiIdCadIdCNaiIdxadIdxNaiIdzadIdzNMMaqN:tg8Aa8AJ9VO:d869DENh8AxekaraLcdtfydbaraQcdtfydbfaraKcdtfydbfc99f:Zh8AkaXaxaYab6a8AaA9DVgiEhxaYabaiEhba8AaAaiEhAkavclfhvaCcufgCmbkkaOcefgOae9hmbkkdnakTmbakabBdbkaxk;bddlue99dndndnabaecitfgrydlgwciGgDci9hmbarclfhqxekinabcbawcd4gwalaDcdtfIdbabaecitfIdb:tgkJbbbb9FEgDaecefgefadaialavaoz:fjjjbak:laoIdb9FTmdabaDaw7aefgecitfgrydlgwciGgDci9hmbkarclfhqkabaecitfhecuhbindnaiaeydbgDfRbbmbadaDcK2fgrIdwalIdw:tgkakNarIdbalIdb:tgkakNarIdlalIdl:tgkakNMM:rgkaoIdb9DTmbaoakUdbavaDBdbaqydbhwkaecwfheabcefgbawcd46mbkkk;yleoudnaladfgkRbbcFeSalaefgxRbbgmcFeSfabydwgPfalaifgsRbbcFeSfaD0abydxaq9pVgzce9hmbavawcltfgmab8Pdb83dbamcwfabcwfgm8Pdb83dbdndnamydbmbcbhqxekcbhDaohminalamabydbcdtfydbfcFe86bbamclfhmaDcefgDabydwgq6mbkkdnabydxglci2gDabydlgmfgPciGTmbaraPfcbalamcu7fciGcefz:njjjb8Aabydxci2hDabydlhmabydwhqkab9cb83dwababydbaqfBdbabaDcifc98GamfBdlaxRbbhmcbhPkdnamcFeGcFe9hmbaxaP86bbababydwgmcefBdwaoabydbcdtfamcdtfaeBdbkdnakRbbcFe9hmbakabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfadBdbkdnasRbbcFe9hmbasabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfaiBdbkarabydlfabydxci2faxRbb86bbarabydlfabydxci2fcefakRbb86bbarabydlfabydxci2fcdfasRbb86bbababydxcefBdxazk;Ckovud99euv99eul998Jjjjjbc:G;ae9Rgo8KjjjjbdndnadTmbavcd4hrcbhwcbhDindnaiaeclfydbar2cdtfgvIdbaiaeydbar2cdtfgqIdbgk:tgxaiaecwfydbar2cdtfgmIdlaqIdlgP:tgsNamIdbak:tgzavIdlaP:tgPN:tgkakNaPamIdwaqIdwgH:tgONasavIdwaH:tgHN:tgPaPNaHazNaOaxN:tgxaxNMM:rgsJbbbb9Bmbaoc:G:qefawcx2fgAakas:vUdwaAaxas:vUdlaAaPas:vUdbaocafawc8K2fgAaq8Pdb83dbaAav8Pdb83dxaAam8Pdb83dKaAcwfaqcwfydbBdbaAcCfavcwfydbBdbaAcafamcwfydbBdbawcefhwkaecxfheaDcifgDad6mbkab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbawTmeao9cb83iKao9cb83izaoczfaocafawci2z1jjjbaoIdKhCaoIdChXaoIdzhQao9cb83iwao9cb83ibaoaoc:G:qefawz1jjjbJbbjZhkaoIdwgPJbbbbJbbjZaPaPNaoIdbgPaPNaoIdlgsasNMM:rgx:vaxJbbbb9BEgzNhxasazNhsaPazNhzaoc:G:qefheawhvinaecwfIdbaxNaeIdbazNasaeclfIdbNMMgPakaPak9DEhkaecxfheavcufgvmbkabaCUdwabaXUdlabaQUdbabaoId3UdxdndnakJ;n;m;m899FmbJbbbbhPaoc:G:qefheaocafhvinaCavcwfIdb:taecwfIdbgHNaQavIdb:taeIdbgONaXavclfIdb:taeclfIdbgLNMMaxaHNazaONasaLNMM:vgHaPaHaP9EEhPavc8KfhvaecxfheawcufgwmbkabazUd3abc8KfaxUdbabcafasUdbabcKfaCaxaPN:tUdbabcCfaXasaPN:tUdbabaQazaPN:tUdzabJbbjZakakN:t:rgkUdydndnaxJbbj:;axJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;axJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohexekcjjjj94hekabc8Ufae86bbdndnasJbbj:;asJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;asJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohvxekcjjjj94hvkabcRfav86bbdndnazJbbj:;azJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;azJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohqxekcjjjj94hqkabaq86b8SdndnaecKtcK91:YJbb;:9c:vax:t:lavcKtcK91:YJbb;:9c:vas:t:laqcKtcK91:YJbb;:9c:vaz:t:lakMMMJbb;:9cNJbbjZMgk:lJbbb9p9DTmbak:Ohexekcjjjj94hekaecFbaecFb9iEhexekabcjjj;8iBdycFbhekabae86b8Vxekab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbkaoc:G;aef8Kjjjjbk:mvdouq99cbhi8Jjjjjbca9RglczfcwfcbBdbal9cb83izalcwfcbBdbal9cb83ibdnadTmbcbhvinaeaifhocbhrinalczfarfgwavawydbgwaoarfIdbgDaearawcx2ffIdb9DEBdbalarfgwavawydbgwaDaearawcx2ffIdb9EEBdbarclfgrcx9hmbkaicxfhiavcefgvad9hmbkkJbbbbhDcbhrcbhicbhvinaealarfydbcx2fgwIdwaealczfarfydbcx2fgoIdw:tgqaqNawIdbaoIdb:tgqaqNawIdlaoIdl:tgqaqNMMgqaDaqaD9EgwEhDavaiawEhiarclfhravcefgvci9hmbkaealczfaicdtgvfydbcx2fgrIdwaealavfydbcx2fglIdwMJbbbZNhqarIdlalIdlMJbbbZNhkarIdbalIdbMJbbbZNhxaD:rJbbbZNhDdnadTmbindnaecwfIdbgmaq:tgPaPNaeIdbgsax:tgPaPNaeclfIdbgzak:tgPaPNMMgPaDaDN9ETmbaqaDaP:rgH:vJbbbZNJbbbZMgPNamJbbjZaP:tgONMhqakaPNazaONMhkaxaPNasaONMhxaDaHMJbbbZNhDkaecxfheadcufgdmbkkabaDUdxabaqUdwabakUdlabaxUdbkjeeiu8Jjjjjbcj8W9Rgr8Kjjjjbaici2hwdnaiTmbawceawce0EhDarhiinaiaeadRbbcdtfydbBdbadcefhdaiclfhiaDcufgDmbkkabarawaladaoz:hjjjbarcj8Wf8Kjjjjbk:Ylequ8Jjjjjbcjx9Rgl8Kjjjjbcbhvalcjqfcbaiz:njjjb8AdndnadTmbcjehoaehrincuhwarhDcuhqavhkdninawakaoalcjqfaDcefRbbfRbb9RcFeGci6aoalcjqfaDRbbfRbb9RcFeGci6faoalcjqfaDcdfRbbfRbb9RcFeGci6fgxaq9mgmEhwdnammbaxce0mdkaxaqaxaq9kEhqaDcifhDadakcefgk9hmbkkaeawci2fgDcdfRbbhqaDcefRbbhxaDRbbhkaeavci2fgDcifaDawav9Rci2z:qjjjb8Aakalcjqffaocefgo86bbaxalcjqffao86bbaDcdfaq86bbaDcefax86bbaDak86bbaqalcjqffao86bbarcifhravcefgvad9hmbkalcFeaiz:njjjbhoadci2gDceaDce0EhqcbhxindnaoaeRbbgkfgwRbbgDcFe9hmbawax86bbaocjdfaxcdtfabakcdtfydbBdbaxhDaxcefhxkaeaD86bbaecefheaqcufgqmbkaxcdthDxekcbhDkabalcjdfaDz:mjjjb8Aalcjxf8Kjjjjbk9teiucbcbyd11jjbgeabcifc98GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd11jjbgeabcrfc94GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd11jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd11jjbfgdBd11jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk:;Deludndndnadch9pmbabaeSmdaeabadfgi9Rcbadcet9R0mekabaead;8qbbxekaeab7ciGhldndndnabae9pmbdnalTmbadhvabhixikdnabciGmbadhvabhixdkadTmiabaeRbb86bbadcufhvdnabcefgiciGmbaecefhexdkavTmiabaeRbe86beadc9:fhvdnabcdfgiciGmbaecdfhexdkavTmiabaeRbd86bdadc99fhvdnabcifgiciGmbaecifhexdkavTmiabaeRbi86biabclfhiaeclfheadc98fhvxekdnalmbdnaiciGTmbadTmlabadcufgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc9:fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc99fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc98fgdfaeadfRbb86bbkadcl6mbdnadc98fgocd4cefciGgiTmbaec98fhlabc98fhvinavadfaladfydbBdbadc98fhdaicufgimbkkaocx6mbaec9Wfhvabc9WfhoinaoadfgicxfavadfglcxfydbBdbaicwfalcwfydbBdbaiclfalclfydbBdbaialydbBdbadc9Wfgdci0mbkkadTmdadhidnadciGglTmbaecufhvabcufhoadhiinaoaifavaifRbb86bbaicufhialcufglmbkkadcl6mdaec98fhlabc98fhvinavaifgecifalaifgdcifRbb86bbaecdfadcdfRbb86bbaecefadcefRbb86bbaeadRbb86bbaic98fgimbxikkavcl6mbdnavc98fglcd4cefcrGgdTmbavadcdt9RhvinaiaeydbBdbaeclfheaiclfhiadcufgdmbkkalc36mbinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaiaeydzBdzaiaeydCBdCaiaeydKBdKaiaeyd3Bd3aecafheaicafhiavc9Gfgvci0mbkkavTmbdndnavcrGgdmbavhlxekavc94GhlinaiaeRbb86bbaicefhiaecefheadcufgdmbkkavcw6mbinaiaeRbb86bbaiaeRbe86beaiaeRbd86bdaiaeRbi86biaiaeRbl86blaiaeRbv86bvaiaeRbo86boaiaeRbr86braicwfhiaecwfhealc94fglmbkkabkkAebcjwkxebbbdbbbzNbb'; // embed! wasm
+		'b9H79Tebbbefx9Geueu9Geub9Gbb9Giuuueu9Gkuuuuuuuuuu99eu9Gvuuuuueu9Gkuuuuuuuuu9999eu9Gruuuuuuub9Gkuuuuuuuuuuueu9Gouuuuuub9Giuuub9GluuuubiOHdilvorwDqrkbiibeilve9Weiiviebeoweuec:q:Odkr:Yewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9I919P29K9nW79O2Wt79c9V919U9KbeX9TW79O9V9Wt9F9I919P29K9nW79O2Wt7bd39TW79O9V9Wt9F9J9V9T9W91tWJ2917tWV9c9V919U9K7br39TW79O9V9Wt9F9J9V9T9W91tW9nW79O2Wt9c9V919U9K7bDL9TW79O9V9Wt9F9V9Wt9P9T9P96W9nW79O2Wtbql79IV9RbkDwebcekdsPq;L9kHdbkIbabaec9:fgefcufae9Ugeabci9Uadfcufad9Ugbaeab0Ek:oAlPue99eux998Jjjjjbc:We9Rgk8Kjjjjbakc;mbfcbc;Kbz:njjjb8AakcuaocdtgxaocFFFFi0Egmcbyd:e1jjbHjjjjbbgPBd9makceBd:SeakaPBdnakamcbyd:e1jjbHjjjjbbgsBd9qakcdBd:SeakasBd9eakcualcdtalcFFFFi0Ecbyd:e1jjbHjjjjbbgzBd9uakazBd9iakciBd:SeaPcbaxz:njjjbhHalci9UhOdnalTmbaihPalhAinaHaPydbcdtfgCaCydbcefBdbaPclfhPaAcufgAmbkkdnaoTmbcbhPashAaHhCaohXinaAaPBdbaAclfhAaCydbaPfhPaCclfhCaXcufgXmbkkdnalci6mbcbhPaihAinaAcwfydbhCaAclfydbhXasaAydbcdtfgQaQydbgQcefBdbazaQcdtfaPBdbasaXcdtfgXaXydbgXcefBdbazaXcdtfaPBdbasaCcdtfgCaCydbgCcefBdbazaCcdtfaPBdbaAcxfhAaOaPcefgP9hmbkkdnaoTmbaHhAashPaohCinaPaPydbaAydb9RBdbaAclfhAaPclfhPaCcufgCmbkkakamcbyd:e1jjbHjjjjbbgPBd9yakclBd:SeaPaHaxz:mjjjbhmakaOcbyd:e1jjbHjjjjbbgPBd9CakcvBd:SeaPcbaOz:njjjbhLakcuaOcK2alcjjjjd0Ecbyd:e1jjbHjjjjbbgKBd9GakcoBd:SeJbbbbhYdnalci6g8Ambarcd4hxaihAaKhPaOhrJbbbbhEinavaAclfydbax2cdtfgCIdlh3avaAydbax2cdtfgXIdlhYavaAcwfydbax2cdtfgQIdlh5aCIdwh8EaXIdwh8FaQIdwhaaPaCIdbghaXIdbggMaQIdbg8JMJbbnn:vUdbaPclfaXIdlaCIdlMaQIdlMJbbnn:vUdbaQIdwh8KaCIdwh8LaXIdwh8MaPcxfa3aY:tg3aaa8F:tgaNa5aY:tg5a8Ea8F:tg8EN:tgYJbbbbJbbjZahag:tgha5Na8Jag:tgga3N:tg8Fa8FNaYaYNa8EagNaaahN:tgYaYNMM:rgg:vagJbbbb9BEg3NUdbaPczfaYa3NUdbaPcCfa8Fa3NUdbaPcwfa8Ka8Ma8LMMJbbnn:vUdbaEagMhEaAcxfhAaPcKfhParcufgrmbkaEaO:Z:vJbbbZNhYkakcuaOcdtalcFFFF970Ecbyd:e1jjbHjjjjbbgCBd9KakcrBd:SeaYaD:ZN:rhYdna8AmbcbhPaChAinaAaPBdbaAclfhAaOaPcefgP9hmbkkaYJbbbZNh8MakcuaOcltalcFFFFd0Ecbyd:e1jjbHjjjjbbg8ABd9OakcwBd:Secba8AaKaCaOz:djjjb8Aakaocbyd:e1jjbHjjjjbbgPBd2aPcFeaoz:njjjbhrakc8Wfcwf9cb83ibak9cb83i8WcbhPJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgcbhlinJbbbbh3dnaPTmbJbbjZaP:Z:vh3kaka8Ea3NgaUdaaka5a3NghUd3akaEa3Ng8JUdKJbbbbh3dnagagNaYaYNa8Fa8FNMMg8KJbbbb9BmbJbbjZa8K:r:vh3kakaga3NUd8Saka8Fa3NUdyakaYa3NUd8Kdndndnakyd8WgQakydUgAakcKfaeaiakc;abfaKamara8Maqz:ejjjbgCcuSmbdnaPaD9pmbaAaraiaCcx2fgXydbfRbbcFeSfaraXclfydbfRbbcFeSfaraXcwfydbfRbbcFeSfaw9nmdkaQaAcbaeaiakc;abfaKamara8MJbbbbz:ejjjbgCcu9hmekakaaUdCakahUdzaka8JUdxakcuBdwakcFFF;7rBdla8AcbaKaLakcxfakcwfakclfz:fjjjbakydwgCcuSmekdnakc8WfaiaCcx2fgOydbgPaOclfydbgAaOcwfydbgXarabaeadalawaDz:gjjjbTmbalcefhlJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgkamaPcdtfgPaPydbcufBdbamaAcdtfgPaPydbcufBdbamaXcdtfgPaPydbcufBdbcbhXinazasaOaXcdtfydbcdtgAfydbcdtfgxhPaHaAfgvydbgQhAdnaQTmbdninaPydbaCSmeaPclfhPaAcufgATmdxbkkaPaxaQcdtfc98fydbBdbavavydbcufBdbkaXcefgXci9hmbkaKaCcK2fgPIdbh3aPIdlhaaPIdwhhaPIdxh8JaPIdzh8KaPIdCh8LaLaCfce86bbaga8LMhga8Fa8KMh8FaYa8JMhYa8EahMh8Ea5aaMh5aEa3MhEakyd88hPxekkdnaPTmbdnakyd80gAaPci2fgCciGTmbadaCfcbaPaAcu7fciGcefz:njjjb8AkabalcltfgPak8Pi8W83dbaPcwfakc8Wfcwf8Pib83dbalcefhlkcahPdninaPc98Smeakc;mbfaPfydbcbydj1jjbH:bjjjbbaPc98fhPxbkkakc:Wef8Kjjjjbalk;3vivuv99lu8Jjjjjbca9Rgv8Kjjjjbdndnalcw0mbaiydbhoaeabcitfgralcdtcufBdlaraoBdbdnalcd6mbaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkkalabfhrxekcbhDavczfcwfcbBdbav9cb83izavcwfcbBdbav9cb83ibJbbjZhqJbbjZhkinadaiaDcdtfydbcK2fhwcbhrinavczfarfgoawarfIdbgxaoIdbgm:tgPakNamMgmUdbavarfgoaPaxam:tNaoIdbMUdbarclfgrcx9hmbkJbbjZaqJbbjZMgq:vhkaDcefgDal9hmbkcbhoadcbcecdavIdlgxavIdwgm9GEgravIdbgPam9GEaraPax9GEgscdtgrfhzavczfarfIdbhxaihralhwinaiaocdtfgDydbhHaDarydbgOBdbaraHBdbarclfhraoazaOcK2fIdbax9Dfhoawcufgwmbkaeabcitfhrdndnaocv6mbaoalc98f6mekaraiydbBdbaralcdtcufBdlaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkalabfhrxekaraxUdbaeabcitfgrarydlc98GasVBdlabcefaeadaiaoz:djjjbhwararydlciGawabcu7fcdtVBdlawaeadaiaocdtfalao9Rz:djjjbhrkavcaf8Kjjjjbark;Bloeue99vue99Due99dndnaembcuhkxekJbbjZaq:thxaiabcdtfhmavydbhPavydlhsavydwhzcbhHJFFuuhOcvhbcuhkindnaPamaHcdtfydbcdtgvfydbgATmbazasavfydbcdtfhiindndnawalaiydbgCcx2fgvclfydbgXfRbbcFeSawavydbgQfRbbcFeSfawavcwfydbgLfRbbcFeSfgKmbcbhvxekcehvaraQcdtfydbgYceSmbcehvaraXcdtfydbg8AceSmbcehvaraLcdtfydbgEceSmbdna8AcdSaYcdSfaEcdSfcd6mbaKcefhvxekaKcdfhvkdnavab9kmbdndnadTmbaoaCcK2fgQIdwadIdw:tg3a3NaQIdbadIdb:tg3a3NaQIdladIdl:tg3a3NMM:raD:vaxNJbbjZMJ9VO:d86JbbjZaQIdCadIdCNaQIdxadIdxNaQIdzadIdzNMMaqN:tg3a3J9VO:d869DENh3xekaraQcdtfydbaraXcdtfydbfaraLcdtfydbfc99f:Zh3kaCakavab6a3aO9DVgQEhkavabaQEhba3aOaQEhOkaiclfhiaAcufgAmbkkaHcefgHae9hmbkkakk;bddlue99dndndnabaecitfgrydlgwciGgDci9hmbarclfhqxekinabcbawcd4gwalaDcdtfIdbabaecitfIdb:tgkJbbbb9FEgDaecefgefadaialavaoz:fjjjbak:laoIdb9FTmdabaDaw7aefgecitfgrydlgwciGgDci9hmbkarclfhqkabaecitfhecuhbindnaiaeydbgDfRbbmbadaDcK2fgrIdwalIdw:tgkakNarIdbalIdb:tgkakNarIdlalIdl:tgkakNMM:rgkaoIdb9DTmbaoakUdbavaDBdbaqydbhwkaecwfheabcefgbawcd46mbkkk;yleoudnaladfgkRbbcFeSalaefgxRbbgmcFeSfabydwgPfalaifgsRbbcFeSfaD0abydxaq9pVgzce9hmbavawcltfgmab8Pdb83dbamcwfabcwfgm8Pdb83dbdndnamydbmbcbhqxekcbhDaohminalamabydbcdtfydbfcFe86bbamclfhmaDcefgDabydwgq6mbkkdnabydxglci2gDabydlgmfgPciGTmbaraPfcbalamcu7fciGcefz:njjjb8Aabydxci2hDabydlhmabydwhqkab9cb83dwababydbaqfBdbabaDcifc98GamfBdlaxRbbhmcbhPkdnamcFeGcFe9hmbaxaP86bbababydwgmcefBdwaoabydbcdtfamcdtfaeBdbkdnakRbbcFe9hmbakabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfadBdbkdnasRbbcFe9hmbasabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfaiBdbkarabydlfabydxci2faxRbb86bbarabydlfabydxci2fcefakRbb86bbarabydlfabydxci2fcdfasRbb86bbababydxcefBdxazk;Ckovud99euv99eul998Jjjjjbc:G;ae9Rgo8KjjjjbdndnadTmbavcd4hrcbhwcbhDindnaiaeclfydbar2cdtfgvIdbaiaeydbar2cdtfgqIdbgk:tgxaiaecwfydbar2cdtfgmIdlaqIdlgP:tgsNamIdbak:tgzavIdlaP:tgPN:tgkakNaPamIdwaqIdwgH:tgONasavIdwaH:tgHN:tgPaPNaHazNaOaxN:tgxaxNMM:rgsJbbbb9Bmbaoc:G:qefawcx2fgAakas:vUdwaAaxas:vUdlaAaPas:vUdbaocafawc8K2fgAaq8Pdb83dbaAav8Pdb83dxaAam8Pdb83dKaAcwfaqcwfydbBdbaAcCfavcwfydbBdbaAcafamcwfydbBdbawcefhwkaecxfheaDcifgDad6mbkab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbawTmeao9cb83iKao9cb83izaoczfaocafawci2z1jjjbaoIdKhCaoIdChXaoIdzhQao9cb83iwao9cb83ibaoaoc:G:qefawz1jjjbJbbjZhkaoIdwgPJbbbbJbbjZaPaPNaoIdbgPaPNaoIdlgsasNMM:rgx:vaxJbbbb9BEgzNhxasazNhsaPazNhzaoc:G:qefheawhvinaecwfIdbaxNaeIdbazNasaeclfIdbNMMgPakaPak9DEhkaecxfheavcufgvmbkabaCUdwabaXUdlabaQUdbabaoId3UdxdndnakJ;n;m;m899FmbJbbbbhPaoc:G:qefheaocafhvinaCavcwfIdb:taecwfIdbgHNaQavIdb:taeIdbgONaXavclfIdb:taeclfIdbgLNMMaxaHNazaONasaLNMM:vgHaPaHaP9EEhPavc8KfhvaecxfheawcufgwmbkabazUd3abc8KfaxUdbabcafasUdbabcKfaCaxaPN:tUdbabcCfaXasaPN:tUdbabaQazaPN:tUdzabJbbjZakakN:t:rgkUdydndnaxJbbj:;axJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;axJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohexekcjjjj94hekabc8Ufae86bbdndnasJbbj:;asJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;asJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohvxekcjjjj94hvkabcRfav86bbdndnazJbbj:;azJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;azJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohqxekcjjjj94hqkabaq86b8SdndnaecKtcK91:YJbb;:9c:vax:t:lavcKtcK91:YJbb;:9c:vas:t:laqcKtcK91:YJbb;:9c:vaz:t:lakMMMJbb;:9cNJbbjZMgk:lJbbb9p9DTmbak:Ohexekcjjjj94hekaecFbaecFb9iEhexekabcjjj;8iBdycFbhekabae86b8Vxekab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbkaoc:G;aef8Kjjjjbk:mvdouq99cbhi8Jjjjjbca9RglczfcwfcbBdbal9cb83izalcwfcbBdbal9cb83ibdnadTmbcbhvinaeaifhocbhrinalczfarfgwavawydbgwaoarfIdbgDaearawcx2ffIdb9DEBdbalarfgwavawydbgwaDaearawcx2ffIdb9EEBdbarclfgrcx9hmbkaicxfhiavcefgvad9hmbkkJbbbbhDcbhrcbhicbhvinaealarfydbcx2fgwIdwaealczfarfydbcx2fgoIdw:tgqaqNawIdbaoIdb:tgqaqNawIdlaoIdl:tgqaqNMMgqaDaqaD9EgwEhDavaiawEhiarclfhravcefgvci9hmbkaealczfaicdtgvfydbcx2fgrIdwaealavfydbcx2fglIdwMJbbbZNhqarIdlalIdlMJbbbZNhkarIdbalIdbMJbbbZNhxaD:rJbbbZNhDdnadTmbindnaecwfIdbgmaq:tgPaPNaeIdbgsax:tgPaPNaeclfIdbgzak:tgPaPNMMgPaDaDN9ETmbaqaDaP:rgH:vJbbbZNJbbbZMgPNamJbbjZaP:tgONMhqakaPNazaONMhkaxaPNasaONMhxaDaHMJbbbZNhDkaecxfheadcufgdmbkkabaDUdxabaqUdwabakUdlabaxUdbkjeeiu8Jjjjjbcj8W9Rgr8Kjjjjbaici2hwdnaiTmbawceawce0EhDarhiinaiaeadRbbcdtfydbBdbadcefhdaiclfhiaDcufgDmbkkabarawaladaoz:hjjjbarcj8Wf8Kjjjjbk:Ylequ8Jjjjjbcjx9Rgl8Kjjjjbcbhvalcjqfcbaiz:njjjb8AdndnadTmbcjehoaehrincuhwarhDcuhqavhkdninawakaoalcjqfaDcefRbbfRbb9RcFeGci6aoalcjqfaDRbbfRbb9RcFeGci6faoalcjqfaDcdfRbbfRbb9RcFeGci6fgxaq9mgmEhwdnammbaxce0mdkaxaqaxaq9kEhqaDcifhDadakcefgk9hmbkkaeawci2fgDcdfRbbhqaDcefRbbhxaDRbbhkaeavci2fgDcifaDawav9Rci2z:qjjjb8Aakalcjqffaocefgo86bbaxalcjqffao86bbaDcdfaq86bbaDcefax86bbaDak86bbaqalcjqffao86bbarcifhravcefgvad9hmbkalcFeaiz:njjjbhoadci2gDceaDce0EhqcbhxindnaoaeRbbgkfgwRbbgDcFe9hmbawax86bbaocjdfaxcdtfabakcdtfydbBdbaxhDaxcefhxkaeaD86bbaecefheaqcufgqmbkaxcdthDxekcbhDkabalcjdfaDz:mjjjb8Aalcjxf8Kjjjjbk9teiucbcbyd11jjbgeabcifc98GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd11jjbgeabcrfc94GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd11jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd11jjbfgdBd11jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk:;Deludndndnadch9pmbabaeSmdaeabadfgi9Rcbadcet9R0mekabaead;8qbbxekaeab7ciGhldndndnabae9pmbdnalTmbadhvabhixikdnabciGmbadhvabhixdkadTmiabaeRbb86bbadcufhvdnabcefgiciGmbaecefhexdkavTmiabaeRbe86beadc9:fhvdnabcdfgiciGmbaecdfhexdkavTmiabaeRbd86bdadc99fhvdnabcifgiciGmbaecifhexdkavTmiabaeRbi86biabclfhiaeclfheadc98fhvxekdnalmbdnaiciGTmbadTmlabadcufgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc9:fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc99fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc98fgdfaeadfRbb86bbkadcl6mbdnadc98fgocd4cefciGgiTmbaec98fhlabc98fhvinavadfaladfydbBdbadc98fhdaicufgimbkkaocx6mbaec9Wfhvabc9WfhoinaoadfgicxfavadfglcxfydbBdbaicwfalcwfydbBdbaiclfalclfydbBdbaialydbBdbadc9Wfgdci0mbkkadTmdadhidnadciGglTmbaecufhvabcufhoadhiinaoaifavaifRbb86bbaicufhialcufglmbkkadcl6mdaec98fhlabc98fhvinavaifgecifalaifgdcifRbb86bbaecdfadcdfRbb86bbaecefadcefRbb86bbaeadRbb86bbaic98fgimbxikkavcl6mbdnavc98fglcd4cefcrGgdTmbavadcdt9RhvinaiaeydbBdbaeclfheaiclfhiadcufgdmbkkalc36mbinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaiaeydzBdzaiaeydCBdCaiaeydKBdKaiaeyd3Bd3aecafheaicafhiavc9Gfgvci0mbkkavTmbdndnavcrGgdmbavhlxekavc94GhlinaiaeRbb86bbaicefhiaecefheadcufgdmbkkavcw6mbinaiaeRbb86bbaiaeRbe86beaiaeRbd86bdaiaeRbi86biaiaeRbl86blaiaeRbv86bvaiaeRbo86boaiaeRbr86braicwfhiaecwfhealc94fglmbkkabkkAebcjwkxebbbdbbbzNbb'; // embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,

From c297d0898a6932717ecd8d90f649b07290b437cb Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 23 Oct 2024 16:34:37 -0700
Subject: [PATCH 398/581] Mark meshopt_decodeFilter* and meshopt_encodeFilter*
 as stable

These functions have existed for several years now, with stable
implementation and interface. They are exposed via JS interface and used
by gltfpack, and thus are unlikely to change dramatically.

A recent change added meshopt_EncodeExpClamped, which also had a
possible alternative of adding more fine-grained exponent clamping
control to meshopt_encodeFilterExp. Instead of marking the entire
function as experimental, let's mark just the enum entry as
experimental. If more control is necessary in the future, we can remove
this enum entry and add a meshopt_encodeFilterExpClamped instead.
---
 src/meshoptimizer.h | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index abf3989311..535be42a3f 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -306,9 +306,9 @@ MESHOPTIMIZER_API int meshopt_decodeVertexBuffer(void* destination, size_t verte
  * meshopt_decodeFilterExp decodes exponential encoding of floating-point data with 8-bit exponent and 24-bit integer mantissa as 2^E*M.
  * Each 32-bit component is decoded in isolation; stride must be divisible by 4.
  */
-MESHOPTIMIZER_EXPERIMENTAL void meshopt_decodeFilterOct(void* buffer, size_t count, size_t stride);
-MESHOPTIMIZER_EXPERIMENTAL void meshopt_decodeFilterQuat(void* buffer, size_t count, size_t stride);
-MESHOPTIMIZER_EXPERIMENTAL void meshopt_decodeFilterExp(void* buffer, size_t count, size_t stride);
+MESHOPTIMIZER_API void meshopt_decodeFilterOct(void* buffer, size_t count, size_t stride);
+MESHOPTIMIZER_API void meshopt_decodeFilterQuat(void* buffer, size_t count, size_t stride);
+MESHOPTIMIZER_API void meshopt_decodeFilterExp(void* buffer, size_t count, size_t stride);
 
 /**
  * Vertex buffer filter encoders
@@ -334,13 +334,13 @@ enum meshopt_EncodeExpMode
 	meshopt_EncodeExpSharedVector,
 	/* When encoding exponents, use shared value for each component of all vectors (best compression) */
 	meshopt_EncodeExpSharedComponent,
-	/* When encoding exponents, use separate values for each component, but clamp to 0 (good quality if very small values are not important) */
+	/* Experimental: When encoding exponents, use separate values for each component, but clamp to 0 (good quality if very small values are not important) */
 	meshopt_EncodeExpClamped,
 };
 
-MESHOPTIMIZER_EXPERIMENTAL void meshopt_encodeFilterOct(void* destination, size_t count, size_t stride, int bits, const float* data);
-MESHOPTIMIZER_EXPERIMENTAL void meshopt_encodeFilterQuat(void* destination, size_t count, size_t stride, int bits, const float* data);
-MESHOPTIMIZER_EXPERIMENTAL void meshopt_encodeFilterExp(void* destination, size_t count, size_t stride, int bits, const float* data, enum meshopt_EncodeExpMode mode);
+MESHOPTIMIZER_API void meshopt_encodeFilterOct(void* destination, size_t count, size_t stride, int bits, const float* data);
+MESHOPTIMIZER_API void meshopt_encodeFilterQuat(void* destination, size_t count, size_t stride, int bits, const float* data);
+MESHOPTIMIZER_API void meshopt_encodeFilterExp(void* destination, size_t count, size_t stride, int bits, const float* data, enum meshopt_EncodeExpMode mode);
 
 /**
  * Simplification options

From 42998fd50219c57023ea20fbbb1461a269a597a1 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 23 Oct 2024 14:18:42 -0700
Subject: [PATCH 399/581] Update version to 0.22 everywhere

---
 CMakeLists.txt                   | 2 +-
 README.md                        | 6 +++---
 gltf/gltfpack.h                  | 2 +-
 gltf/package.json                | 5 +++--
 js/meshopt_clusterizer.js        | 2 +-
 js/meshopt_clusterizer.module.js | 2 +-
 js/meshopt_decoder.js            | 2 +-
 js/meshopt_decoder.module.js     | 2 +-
 js/meshopt_encoder.js            | 2 +-
 js/meshopt_encoder.module.js     | 2 +-
 js/meshopt_simplifier.js         | 2 +-
 js/meshopt_simplifier.module.js  | 2 +-
 js/package.json                  | 5 +++--
 src/meshoptimizer.h              | 4 ++--
 14 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3b17642714..f8e9fbaaee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,7 +12,7 @@ if(POLICY CMP0092)
     cmake_policy(SET CMP0092 NEW) # Enables clean /W4 override for MSVC
 endif()
 
-project(meshoptimizer VERSION 0.21 LANGUAGES CXX)
+project(meshoptimizer VERSION 0.22 LANGUAGES CXX)
 
 option(MESHOPT_BUILD_DEMO "Build demo" OFF)
 option(MESHOPT_BUILD_GLTFPACK "Build gltfpack" OFF)
diff --git a/README.md b/README.md
index 481b1ee95d..bf17d537c1 100644
--- a/README.md
+++ b/README.md
@@ -13,12 +13,12 @@ The library provides a C and C++ interface for all algorithms; you can use it fr
 meshoptimizer is hosted on GitHub; you can download the latest release using git:
 
 ```
-git clone -b v0.21 https://github.com/zeux/meshoptimizer.git
+git clone -b v0.22 https://github.com/zeux/meshoptimizer.git
 ```
 
-Alternatively you can [download the .zip archive from GitHub](https://github.com/zeux/meshoptimizer/archive/v0.21.zip).
+Alternatively you can [download the .zip archive from GitHub](https://github.com/zeux/meshoptimizer/archive/v0.22.zip).
 
-The library is also available as a Linux package in several distributions ([ArchLinux](https://aur.archlinux.org/packages/meshoptimizer/), [Debian](https://packages.debian.org/libmeshoptimizer), [FreeBSD](https://www.freshports.org/misc/meshoptimizer/), [Nix](https://mynixos.com/nixpkgs/package/meshoptimizer), [Ubuntu](https://packages.ubuntu.com/libmeshoptimizer)), as well as a [Vcpkg port](https://github.com/microsoft/vcpkg/tree/master/ports/meshoptimizer) (see [installation instructions](https://learn.microsoft.com/en-us/vcpkg/get_started/get-started)) and a [Conan package](https://conan.io/center/recipes/meshoptimizer?version=0.21).
+The library is also available as a Linux package in several distributions ([ArchLinux](https://aur.archlinux.org/packages/meshoptimizer/), [Debian](https://packages.debian.org/libmeshoptimizer), [FreeBSD](https://www.freshports.org/misc/meshoptimizer/), [Nix](https://mynixos.com/nixpkgs/package/meshoptimizer), [Ubuntu](https://packages.ubuntu.com/libmeshoptimizer)), as well as a [Vcpkg port](https://github.com/microsoft/vcpkg/tree/master/ports/meshoptimizer) (see [installation instructions](https://learn.microsoft.com/en-us/vcpkg/get_started/get-started)) and a [Conan package](https://conan.io/center/recipes/meshoptimizer).
 
 [gltfpack](./gltf/README.md) is available as a pre-built binary on [Releases page](https://github.com/zeux/meshoptimizer/releases) or via [npm package](https://www.npmjs.com/package/gltfpack). Native binaries are recommended since they are more efficient and support texture compression.
 
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 5c1560a92c..dd30abe523 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -1,5 +1,5 @@
 /**
- * gltfpack - version 0.21
+ * gltfpack - version 0.22
  *
  * Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
  * Report bugs and download new versions at https://github.com/zeux/meshoptimizer
diff --git a/gltf/package.json b/gltf/package.json
index 13cda90695..adcf3d39a2 100644
--- a/gltf/package.json
+++ b/gltf/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "gltfpack",
-	"version": "0.21.0",
+	"version": "0.22.0",
 	"description": "A command-line tool that can optimize glTF files for size and speed",
 	"author": "Arseny Kapoulkine",
 	"license": "MIT",
@@ -16,7 +16,8 @@
 	"bin": "./cli.js",
 	"main": "./library.js",
 	"files": [
-		"*.js", "*.wasm"
+		"*.js",
+		"*.wasm"
 	],
 	"scripts": {
 		"prepublishOnly": "node cli.js -v"
diff --git a/js/meshopt_clusterizer.js b/js/meshopt_clusterizer.js
index d22cc54e1d..58222e3fc0 100644
--- a/js/meshopt_clusterizer.js
+++ b/js/meshopt_clusterizer.js
@@ -2,7 +2,7 @@
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptClusterizer = (function () {
 	// Built with clang version 18.1.2
-	// Built from meshoptimizer 0.21
+	// Built from meshoptimizer 0.22
 	var wasm =
 		'b9H79Tebbbefx9Geueu9Geub9Gbb9Giuuueu9Gkuuuuuuuuuu99eu9Gvuuuuueu9Gkuuuuuuuuu9999eu9Gruuuuuuub9Gkuuuuuuuuuuueu9Gouuuuuub9Giuuub9GluuuubiOHdilvorwDqrkbiibeilve9Weiiviebeoweuec:q:Odkr:Yewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9I919P29K9nW79O2Wt79c9V919U9KbeX9TW79O9V9Wt9F9I919P29K9nW79O2Wt7bd39TW79O9V9Wt9F9J9V9T9W91tWJ2917tWV9c9V919U9K7br39TW79O9V9Wt9F9J9V9T9W91tW9nW79O2Wt9c9V919U9K7bDL9TW79O9V9Wt9F9V9Wt9P9T9P96W9nW79O2Wtbql79IV9RbkDwebcekdsPq;L9kHdbkIbabaec9:fgefcufae9Ugeabci9Uadfcufad9Ugbaeab0Ek:oAlPue99eux998Jjjjjbc:We9Rgk8Kjjjjbakc;mbfcbc;Kbz:njjjb8AakcuaocdtgxaocFFFFi0Egmcbyd:e1jjbHjjjjbbgPBd9makceBd:SeakaPBdnakamcbyd:e1jjbHjjjjbbgsBd9qakcdBd:SeakasBd9eakcualcdtalcFFFFi0Ecbyd:e1jjbHjjjjbbgzBd9uakazBd9iakciBd:SeaPcbaxz:njjjbhHalci9UhOdnalTmbaihPalhAinaHaPydbcdtfgCaCydbcefBdbaPclfhPaAcufgAmbkkdnaoTmbcbhPashAaHhCaohXinaAaPBdbaAclfhAaCydbaPfhPaCclfhCaXcufgXmbkkdnalci6mbcbhPaihAinaAcwfydbhCaAclfydbhXasaAydbcdtfgQaQydbgQcefBdbazaQcdtfaPBdbasaXcdtfgXaXydbgXcefBdbazaXcdtfaPBdbasaCcdtfgCaCydbgCcefBdbazaCcdtfaPBdbaAcxfhAaOaPcefgP9hmbkkdnaoTmbaHhAashPaohCinaPaPydbaAydb9RBdbaAclfhAaPclfhPaCcufgCmbkkakamcbyd:e1jjbHjjjjbbgPBd9yakclBd:SeaPaHaxz:mjjjbhmakaOcbyd:e1jjbHjjjjbbgPBd9CakcvBd:SeaPcbaOz:njjjbhLakcuaOcK2alcjjjjd0Ecbyd:e1jjbHjjjjbbgKBd9GakcoBd:SeJbbbbhYdnalci6g8Ambarcd4hxaihAaKhPaOhrJbbbbhEinavaAclfydbax2cdtfgCIdlh3avaAydbax2cdtfgXIdlhYavaAcwfydbax2cdtfgQIdlh5aCIdwh8EaXIdwh8FaQIdwhaaPaCIdbghaXIdbggMaQIdbg8JMJbbnn:vUdbaPclfaXIdlaCIdlMaQIdlMJbbnn:vUdbaQIdwh8KaCIdwh8LaXIdwh8MaPcxfa3aY:tg3aaa8F:tgaNa5aY:tg5a8Ea8F:tg8EN:tgYJbbbbJbbjZahag:tgha5Na8Jag:tgga3N:tg8Fa8FNaYaYNa8EagNaaahN:tgYaYNMM:rgg:vagJbbbb9BEg3NUdbaPczfaYa3NUdbaPcCfa8Fa3NUdbaPcwfa8Ka8Ma8LMMJbbnn:vUdbaEagMhEaAcxfhAaPcKfhParcufgrmbkaEaO:Z:vJbbbZNhYkakcuaOcdtalcFFFF970Ecbyd:e1jjbHjjjjbbgCBd9KakcrBd:SeaYaD:ZN:rhYdna8AmbcbhPaChAinaAaPBdbaAclfhAaOaPcefgP9hmbkkaYJbbbZNh8MakcuaOcltalcFFFFd0Ecbyd:e1jjbHjjjjbbg8ABd9OakcwBd:Secba8AaKaCaOz:djjjb8Aakaocbyd:e1jjbHjjjjbbgPBd2aPcFeaoz:njjjbhrakc8Wfcwf9cb83ibak9cb83i8WcbhPJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgcbhlinJbbbbh3dnaPTmbJbbjZaP:Z:vh3kaka8Ea3NgaUdaaka5a3NghUd3akaEa3Ng8JUdKJbbbbh3dnagagNaYaYNa8Fa8FNMMg8KJbbbb9BmbJbbjZa8K:r:vh3kakaga3NUd8Saka8Fa3NUdyakaYa3NUd8Kdndndnakyd8WgQakydUgAakcKfaeaiakc;abfaKamara8Maqz:ejjjbgCcuSmbdnaPaD9pmbaAaraiaCcx2fgXydbfRbbcFeSfaraXclfydbfRbbcFeSfaraXcwfydbfRbbcFeSfaw9nmdkaQaAcbaeaiakc;abfaKamara8MJbbbbz:ejjjbgCcu9hmekakaaUdCakahUdzaka8JUdxakcuBdwakcFFF;7rBdla8AcbaKaLakcxfakcwfakclfz:fjjjbakydwgCcuSmekdnakc8WfaiaCcx2fgOydbgPaOclfydbgAaOcwfydbgXarabaeadalawaDz:gjjjbTmbalcefhlJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgkamaPcdtfgPaPydbcufBdbamaAcdtfgPaPydbcufBdbamaXcdtfgPaPydbcufBdbcbhXinazasaOaXcdtfydbcdtgAfydbcdtfgxhPaHaAfgvydbgQhAdnaQTmbdninaPydbaCSmeaPclfhPaAcufgATmdxbkkaPaxaQcdtfc98fydbBdbavavydbcufBdbkaXcefgXci9hmbkaKaCcK2fgPIdbh3aPIdlhaaPIdwhhaPIdxh8JaPIdzh8KaPIdCh8LaLaCfce86bbaga8LMhga8Fa8KMh8FaYa8JMhYa8EahMh8Ea5aaMh5aEa3MhEakyd88hPxekkdnaPTmbdnakyd80gAaPci2fgCciGTmbadaCfcbaPaAcu7fciGcefz:njjjb8AkabalcltfgPak8Pi8W83dbaPcwfakc8Wfcwf8Pib83dbalcefhlkcahPdninaPc98Smeakc;mbfaPfydbcbydj1jjbH:bjjjbbaPc98fhPxbkkakc:Wef8Kjjjjbalk;3vivuv99lu8Jjjjjbca9Rgv8Kjjjjbdndnalcw0mbaiydbhoaeabcitfgralcdtcufBdlaraoBdbdnalcd6mbaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkkalabfhrxekcbhDavczfcwfcbBdbav9cb83izavcwfcbBdbav9cb83ibJbbjZhqJbbjZhkinadaiaDcdtfydbcK2fhwcbhrinavczfarfgoawarfIdbgxaoIdbgm:tgPakNamMgmUdbavarfgoaPaxam:tNaoIdbMUdbarclfgrcx9hmbkJbbjZaqJbbjZMgq:vhkaDcefgDal9hmbkcbhoadcbcecdavIdlgxavIdwgm9GEgravIdbgPam9GEaraPax9GEgscdtgrfhzavczfarfIdbhxaihralhwinaiaocdtfgDydbhHaDarydbgOBdbaraHBdbarclfhraoazaOcK2fIdbax9Dfhoawcufgwmbkaeabcitfhrdndnaocv6mbaoalc98f6mekaraiydbBdbaralcdtcufBdlaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkalabfhrxekaraxUdbaeabcitfgrarydlc98GasVBdlabcefaeadaiaoz:djjjbhwararydlciGawabcu7fcdtVBdlawaeadaiaocdtfalao9Rz:djjjbhrkavcaf8Kjjjjbark;Bloeue99vue99Due99dndnaembcuhkxekJbbjZaq:thxaiabcdtfhmavydbhPavydlhsavydwhzcbhHJFFuuhOcvhbcuhkindnaPamaHcdtfydbcdtgvfydbgATmbazasavfydbcdtfhiindndnawalaiydbgCcx2fgvclfydbgXfRbbcFeSawavydbgQfRbbcFeSfawavcwfydbgLfRbbcFeSfgKmbcbhvxekcehvaraQcdtfydbgYceSmbcehvaraXcdtfydbg8AceSmbcehvaraLcdtfydbgEceSmbdna8AcdSaYcdSfaEcdSfcd6mbaKcefhvxekaKcdfhvkdnavab9kmbdndnadTmbaoaCcK2fgQIdwadIdw:tg3a3NaQIdbadIdb:tg3a3NaQIdladIdl:tg3a3NMM:raD:vaxNJbbjZMJ9VO:d86JbbjZaQIdCadIdCNaQIdxadIdxNaQIdzadIdzNMMaqN:tg3a3J9VO:d869DENh3xekaraQcdtfydbaraXcdtfydbfaraLcdtfydbfc99f:Zh3kaCakavab6a3aO9DVgQEhkavabaQEhba3aOaQEhOkaiclfhiaAcufgAmbkkaHcefgHae9hmbkkakk;bddlue99dndndnabaecitfgrydlgwciGgDci9hmbarclfhqxekinabcbawcd4gwalaDcdtfIdbabaecitfIdb:tgkJbbbb9FEgDaecefgefadaialavaoz:fjjjbak:laoIdb9FTmdabaDaw7aefgecitfgrydlgwciGgDci9hmbkarclfhqkabaecitfhecuhbindnaiaeydbgDfRbbmbadaDcK2fgrIdwalIdw:tgkakNarIdbalIdb:tgkakNarIdlalIdl:tgkakNMM:rgkaoIdb9DTmbaoakUdbavaDBdbaqydbhwkaecwfheabcefgbawcd46mbkkk;yleoudnaladfgkRbbcFeSalaefgxRbbgmcFeSfabydwgPfalaifgsRbbcFeSfaD0abydxaq9pVgzce9hmbavawcltfgmab8Pdb83dbamcwfabcwfgm8Pdb83dbdndnamydbmbcbhqxekcbhDaohminalamabydbcdtfydbfcFe86bbamclfhmaDcefgDabydwgq6mbkkdnabydxglci2gDabydlgmfgPciGTmbaraPfcbalamcu7fciGcefz:njjjb8Aabydxci2hDabydlhmabydwhqkab9cb83dwababydbaqfBdbabaDcifc98GamfBdlaxRbbhmcbhPkdnamcFeGcFe9hmbaxaP86bbababydwgmcefBdwaoabydbcdtfamcdtfaeBdbkdnakRbbcFe9hmbakabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfadBdbkdnasRbbcFe9hmbasabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfaiBdbkarabydlfabydxci2faxRbb86bbarabydlfabydxci2fcefakRbb86bbarabydlfabydxci2fcdfasRbb86bbababydxcefBdxazk;Ckovud99euv99eul998Jjjjjbc:G;ae9Rgo8KjjjjbdndnadTmbavcd4hrcbhwcbhDindnaiaeclfydbar2cdtfgvIdbaiaeydbar2cdtfgqIdbgk:tgxaiaecwfydbar2cdtfgmIdlaqIdlgP:tgsNamIdbak:tgzavIdlaP:tgPN:tgkakNaPamIdwaqIdwgH:tgONasavIdwaH:tgHN:tgPaPNaHazNaOaxN:tgxaxNMM:rgsJbbbb9Bmbaoc:G:qefawcx2fgAakas:vUdwaAaxas:vUdlaAaPas:vUdbaocafawc8K2fgAaq8Pdb83dbaAav8Pdb83dxaAam8Pdb83dKaAcwfaqcwfydbBdbaAcCfavcwfydbBdbaAcafamcwfydbBdbawcefhwkaecxfheaDcifgDad6mbkab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbawTmeao9cb83iKao9cb83izaoczfaocafawci2z1jjjbaoIdKhCaoIdChXaoIdzhQao9cb83iwao9cb83ibaoaoc:G:qefawz1jjjbJbbjZhkaoIdwgPJbbbbJbbjZaPaPNaoIdbgPaPNaoIdlgsasNMM:rgx:vaxJbbbb9BEgzNhxasazNhsaPazNhzaoc:G:qefheawhvinaecwfIdbaxNaeIdbazNasaeclfIdbNMMgPakaPak9DEhkaecxfheavcufgvmbkabaCUdwabaXUdlabaQUdbabaoId3UdxdndnakJ;n;m;m899FmbJbbbbhPaoc:G:qefheaocafhvinaCavcwfIdb:taecwfIdbgHNaQavIdb:taeIdbgONaXavclfIdb:taeclfIdbgLNMMaxaHNazaONasaLNMM:vgHaPaHaP9EEhPavc8KfhvaecxfheawcufgwmbkabazUd3abc8KfaxUdbabcafasUdbabcKfaCaxaPN:tUdbabcCfaXasaPN:tUdbabaQazaPN:tUdzabJbbjZakakN:t:rgkUdydndnaxJbbj:;axJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;axJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohexekcjjjj94hekabc8Ufae86bbdndnasJbbj:;asJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;asJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohvxekcjjjj94hvkabcRfav86bbdndnazJbbj:;azJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;azJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohqxekcjjjj94hqkabaq86b8SdndnaecKtcK91:YJbb;:9c:vax:t:lavcKtcK91:YJbb;:9c:vas:t:laqcKtcK91:YJbb;:9c:vaz:t:lakMMMJbb;:9cNJbbjZMgk:lJbbb9p9DTmbak:Ohexekcjjjj94hekaecFbaecFb9iEhexekabcjjj;8iBdycFbhekabae86b8Vxekab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbkaoc:G;aef8Kjjjjbk:mvdouq99cbhi8Jjjjjbca9RglczfcwfcbBdbal9cb83izalcwfcbBdbal9cb83ibdnadTmbcbhvinaeaifhocbhrinalczfarfgwavawydbgwaoarfIdbgDaearawcx2ffIdb9DEBdbalarfgwavawydbgwaDaearawcx2ffIdb9EEBdbarclfgrcx9hmbkaicxfhiavcefgvad9hmbkkJbbbbhDcbhrcbhicbhvinaealarfydbcx2fgwIdwaealczfarfydbcx2fgoIdw:tgqaqNawIdbaoIdb:tgqaqNawIdlaoIdl:tgqaqNMMgqaDaqaD9EgwEhDavaiawEhiarclfhravcefgvci9hmbkaealczfaicdtgvfydbcx2fgrIdwaealavfydbcx2fglIdwMJbbbZNhqarIdlalIdlMJbbbZNhkarIdbalIdbMJbbbZNhxaD:rJbbbZNhDdnadTmbindnaecwfIdbgmaq:tgPaPNaeIdbgsax:tgPaPNaeclfIdbgzak:tgPaPNMMgPaDaDN9ETmbaqaDaP:rgH:vJbbbZNJbbbZMgPNamJbbjZaP:tgONMhqakaPNazaONMhkaxaPNasaONMhxaDaHMJbbbZNhDkaecxfheadcufgdmbkkabaDUdxabaqUdwabakUdlabaxUdbkjeeiu8Jjjjjbcj8W9Rgr8Kjjjjbaici2hwdnaiTmbawceawce0EhDarhiinaiaeadRbbcdtfydbBdbadcefhdaiclfhiaDcufgDmbkkabarawaladaoz:hjjjbarcj8Wf8Kjjjjbk:Ylequ8Jjjjjbcjx9Rgl8Kjjjjbcbhvalcjqfcbaiz:njjjb8AdndnadTmbcjehoaehrincuhwarhDcuhqavhkdninawakaoalcjqfaDcefRbbfRbb9RcFeGci6aoalcjqfaDRbbfRbb9RcFeGci6faoalcjqfaDcdfRbbfRbb9RcFeGci6fgxaq9mgmEhwdnammbaxce0mdkaxaqaxaq9kEhqaDcifhDadakcefgk9hmbkkaeawci2fgDcdfRbbhqaDcefRbbhxaDRbbhkaeavci2fgDcifaDawav9Rci2z:qjjjb8Aakalcjqffaocefgo86bbaxalcjqffao86bbaDcdfaq86bbaDcefax86bbaDak86bbaqalcjqffao86bbarcifhravcefgvad9hmbkalcFeaiz:njjjbhoadci2gDceaDce0EhqcbhxindnaoaeRbbgkfgwRbbgDcFe9hmbawax86bbaocjdfaxcdtfabakcdtfydbBdbaxhDaxcefhxkaeaD86bbaecefheaqcufgqmbkaxcdthDxekcbhDkabalcjdfaDz:mjjjb8Aalcjxf8Kjjjjbk9teiucbcbyd11jjbgeabcifc98GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd11jjbgeabcrfc94GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd11jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd11jjbfgdBd11jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk:;Deludndndnadch9pmbabaeSmdaeabadfgi9Rcbadcet9R0mekabaead;8qbbxekaeab7ciGhldndndnabae9pmbdnalTmbadhvabhixikdnabciGmbadhvabhixdkadTmiabaeRbb86bbadcufhvdnabcefgiciGmbaecefhexdkavTmiabaeRbe86beadc9:fhvdnabcdfgiciGmbaecdfhexdkavTmiabaeRbd86bdadc99fhvdnabcifgiciGmbaecifhexdkavTmiabaeRbi86biabclfhiaeclfheadc98fhvxekdnalmbdnaiciGTmbadTmlabadcufgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc9:fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc99fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc98fgdfaeadfRbb86bbkadcl6mbdnadc98fgocd4cefciGgiTmbaec98fhlabc98fhvinavadfaladfydbBdbadc98fhdaicufgimbkkaocx6mbaec9Wfhvabc9WfhoinaoadfgicxfavadfglcxfydbBdbaicwfalcwfydbBdbaiclfalclfydbBdbaialydbBdbadc9Wfgdci0mbkkadTmdadhidnadciGglTmbaecufhvabcufhoadhiinaoaifavaifRbb86bbaicufhialcufglmbkkadcl6mdaec98fhlabc98fhvinavaifgecifalaifgdcifRbb86bbaecdfadcdfRbb86bbaecefadcefRbb86bbaeadRbb86bbaic98fgimbxikkavcl6mbdnavc98fglcd4cefcrGgdTmbavadcdt9RhvinaiaeydbBdbaeclfheaiclfhiadcufgdmbkkalc36mbinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaiaeydzBdzaiaeydCBdCaiaeydKBdKaiaeyd3Bd3aecafheaicafhiavc9Gfgvci0mbkkavTmbdndnavcrGgdmbavhlxekavc94GhlinaiaeRbb86bbaicefhiaecefheadcufgdmbkkavcw6mbinaiaeRbb86bbaiaeRbe86beaiaeRbd86bdaiaeRbi86biaiaeRbl86blaiaeRbv86bvaiaeRbo86boaiaeRbr86braicwfhiaecwfhealc94fglmbkkabkkAebcjwkxebbbdbbbzNbb'; // embed! wasm
 
diff --git a/js/meshopt_clusterizer.module.js b/js/meshopt_clusterizer.module.js
index 44615aa10b..24a370a271 100644
--- a/js/meshopt_clusterizer.module.js
+++ b/js/meshopt_clusterizer.module.js
@@ -2,7 +2,7 @@
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptClusterizer = (function () {
 	// Built with clang version 18.1.2
-	// Built from meshoptimizer 0.21
+	// Built from meshoptimizer 0.22
 	var wasm =
 		'b9H79Tebbbefx9Geueu9Geub9Gbb9Giuuueu9Gkuuuuuuuuuu99eu9Gvuuuuueu9Gkuuuuuuuuu9999eu9Gruuuuuuub9Gkuuuuuuuuuuueu9Gouuuuuub9Giuuub9GluuuubiOHdilvorwDqrkbiibeilve9Weiiviebeoweuec:q:Odkr:Yewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9I919P29K9nW79O2Wt79c9V919U9KbeX9TW79O9V9Wt9F9I919P29K9nW79O2Wt7bd39TW79O9V9Wt9F9J9V9T9W91tWJ2917tWV9c9V919U9K7br39TW79O9V9Wt9F9J9V9T9W91tW9nW79O2Wt9c9V919U9K7bDL9TW79O9V9Wt9F9V9Wt9P9T9P96W9nW79O2Wtbql79IV9RbkDwebcekdsPq;L9kHdbkIbabaec9:fgefcufae9Ugeabci9Uadfcufad9Ugbaeab0Ek:oAlPue99eux998Jjjjjbc:We9Rgk8Kjjjjbakc;mbfcbc;Kbz:njjjb8AakcuaocdtgxaocFFFFi0Egmcbyd:e1jjbHjjjjbbgPBd9makceBd:SeakaPBdnakamcbyd:e1jjbHjjjjbbgsBd9qakcdBd:SeakasBd9eakcualcdtalcFFFFi0Ecbyd:e1jjbHjjjjbbgzBd9uakazBd9iakciBd:SeaPcbaxz:njjjbhHalci9UhOdnalTmbaihPalhAinaHaPydbcdtfgCaCydbcefBdbaPclfhPaAcufgAmbkkdnaoTmbcbhPashAaHhCaohXinaAaPBdbaAclfhAaCydbaPfhPaCclfhCaXcufgXmbkkdnalci6mbcbhPaihAinaAcwfydbhCaAclfydbhXasaAydbcdtfgQaQydbgQcefBdbazaQcdtfaPBdbasaXcdtfgXaXydbgXcefBdbazaXcdtfaPBdbasaCcdtfgCaCydbgCcefBdbazaCcdtfaPBdbaAcxfhAaOaPcefgP9hmbkkdnaoTmbaHhAashPaohCinaPaPydbaAydb9RBdbaAclfhAaPclfhPaCcufgCmbkkakamcbyd:e1jjbHjjjjbbgPBd9yakclBd:SeaPaHaxz:mjjjbhmakaOcbyd:e1jjbHjjjjbbgPBd9CakcvBd:SeaPcbaOz:njjjbhLakcuaOcK2alcjjjjd0Ecbyd:e1jjbHjjjjbbgKBd9GakcoBd:SeJbbbbhYdnalci6g8Ambarcd4hxaihAaKhPaOhrJbbbbhEinavaAclfydbax2cdtfgCIdlh3avaAydbax2cdtfgXIdlhYavaAcwfydbax2cdtfgQIdlh5aCIdwh8EaXIdwh8FaQIdwhaaPaCIdbghaXIdbggMaQIdbg8JMJbbnn:vUdbaPclfaXIdlaCIdlMaQIdlMJbbnn:vUdbaQIdwh8KaCIdwh8LaXIdwh8MaPcxfa3aY:tg3aaa8F:tgaNa5aY:tg5a8Ea8F:tg8EN:tgYJbbbbJbbjZahag:tgha5Na8Jag:tgga3N:tg8Fa8FNaYaYNa8EagNaaahN:tgYaYNMM:rgg:vagJbbbb9BEg3NUdbaPczfaYa3NUdbaPcCfa8Fa3NUdbaPcwfa8Ka8Ma8LMMJbbnn:vUdbaEagMhEaAcxfhAaPcKfhParcufgrmbkaEaO:Z:vJbbbZNhYkakcuaOcdtalcFFFF970Ecbyd:e1jjbHjjjjbbgCBd9KakcrBd:SeaYaD:ZN:rhYdna8AmbcbhPaChAinaAaPBdbaAclfhAaOaPcefgP9hmbkkaYJbbbZNh8MakcuaOcltalcFFFFd0Ecbyd:e1jjbHjjjjbbg8ABd9OakcwBd:Secba8AaKaCaOz:djjjb8Aakaocbyd:e1jjbHjjjjbbgPBd2aPcFeaoz:njjjbhrakc8Wfcwf9cb83ibak9cb83i8WcbhPJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgcbhlinJbbbbh3dnaPTmbJbbjZaP:Z:vh3kaka8Ea3NgaUdaaka5a3NghUd3akaEa3Ng8JUdKJbbbbh3dnagagNaYaYNa8Fa8FNMMg8KJbbbb9BmbJbbjZa8K:r:vh3kakaga3NUd8Saka8Fa3NUdyakaYa3NUd8Kdndndnakyd8WgQakydUgAakcKfaeaiakc;abfaKamara8Maqz:ejjjbgCcuSmbdnaPaD9pmbaAaraiaCcx2fgXydbfRbbcFeSfaraXclfydbfRbbcFeSfaraXcwfydbfRbbcFeSfaw9nmdkaQaAcbaeaiakc;abfaKamara8MJbbbbz:ejjjbgCcu9hmekakaaUdCakahUdzaka8JUdxakcuBdwakcFFF;7rBdla8AcbaKaLakcxfakcwfakclfz:fjjjbakydwgCcuSmekdnakc8WfaiaCcx2fgOydbgPaOclfydbgAaOcwfydbgXarabaeadalawaDz:gjjjbTmbalcefhlJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgkamaPcdtfgPaPydbcufBdbamaAcdtfgPaPydbcufBdbamaXcdtfgPaPydbcufBdbcbhXinazasaOaXcdtfydbcdtgAfydbcdtfgxhPaHaAfgvydbgQhAdnaQTmbdninaPydbaCSmeaPclfhPaAcufgATmdxbkkaPaxaQcdtfc98fydbBdbavavydbcufBdbkaXcefgXci9hmbkaKaCcK2fgPIdbh3aPIdlhaaPIdwhhaPIdxh8JaPIdzh8KaPIdCh8LaLaCfce86bbaga8LMhga8Fa8KMh8FaYa8JMhYa8EahMh8Ea5aaMh5aEa3MhEakyd88hPxekkdnaPTmbdnakyd80gAaPci2fgCciGTmbadaCfcbaPaAcu7fciGcefz:njjjb8AkabalcltfgPak8Pi8W83dbaPcwfakc8Wfcwf8Pib83dbalcefhlkcahPdninaPc98Smeakc;mbfaPfydbcbydj1jjbH:bjjjbbaPc98fhPxbkkakc:Wef8Kjjjjbalk;3vivuv99lu8Jjjjjbca9Rgv8Kjjjjbdndnalcw0mbaiydbhoaeabcitfgralcdtcufBdlaraoBdbdnalcd6mbaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkkalabfhrxekcbhDavczfcwfcbBdbav9cb83izavcwfcbBdbav9cb83ibJbbjZhqJbbjZhkinadaiaDcdtfydbcK2fhwcbhrinavczfarfgoawarfIdbgxaoIdbgm:tgPakNamMgmUdbavarfgoaPaxam:tNaoIdbMUdbarclfgrcx9hmbkJbbjZaqJbbjZMgq:vhkaDcefgDal9hmbkcbhoadcbcecdavIdlgxavIdwgm9GEgravIdbgPam9GEaraPax9GEgscdtgrfhzavczfarfIdbhxaihralhwinaiaocdtfgDydbhHaDarydbgOBdbaraHBdbarclfhraoazaOcK2fIdbax9Dfhoawcufgwmbkaeabcitfhrdndnaocv6mbaoalc98f6mekaraiydbBdbaralcdtcufBdlaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkalabfhrxekaraxUdbaeabcitfgrarydlc98GasVBdlabcefaeadaiaoz:djjjbhwararydlciGawabcu7fcdtVBdlawaeadaiaocdtfalao9Rz:djjjbhrkavcaf8Kjjjjbark;Bloeue99vue99Due99dndnaembcuhkxekJbbjZaq:thxaiabcdtfhmavydbhPavydlhsavydwhzcbhHJFFuuhOcvhbcuhkindnaPamaHcdtfydbcdtgvfydbgATmbazasavfydbcdtfhiindndnawalaiydbgCcx2fgvclfydbgXfRbbcFeSawavydbgQfRbbcFeSfawavcwfydbgLfRbbcFeSfgKmbcbhvxekcehvaraQcdtfydbgYceSmbcehvaraXcdtfydbg8AceSmbcehvaraLcdtfydbgEceSmbdna8AcdSaYcdSfaEcdSfcd6mbaKcefhvxekaKcdfhvkdnavab9kmbdndnadTmbaoaCcK2fgQIdwadIdw:tg3a3NaQIdbadIdb:tg3a3NaQIdladIdl:tg3a3NMM:raD:vaxNJbbjZMJ9VO:d86JbbjZaQIdCadIdCNaQIdxadIdxNaQIdzadIdzNMMaqN:tg3a3J9VO:d869DENh3xekaraQcdtfydbaraXcdtfydbfaraLcdtfydbfc99f:Zh3kaCakavab6a3aO9DVgQEhkavabaQEhba3aOaQEhOkaiclfhiaAcufgAmbkkaHcefgHae9hmbkkakk;bddlue99dndndnabaecitfgrydlgwciGgDci9hmbarclfhqxekinabcbawcd4gwalaDcdtfIdbabaecitfIdb:tgkJbbbb9FEgDaecefgefadaialavaoz:fjjjbak:laoIdb9FTmdabaDaw7aefgecitfgrydlgwciGgDci9hmbkarclfhqkabaecitfhecuhbindnaiaeydbgDfRbbmbadaDcK2fgrIdwalIdw:tgkakNarIdbalIdb:tgkakNarIdlalIdl:tgkakNMM:rgkaoIdb9DTmbaoakUdbavaDBdbaqydbhwkaecwfheabcefgbawcd46mbkkk;yleoudnaladfgkRbbcFeSalaefgxRbbgmcFeSfabydwgPfalaifgsRbbcFeSfaD0abydxaq9pVgzce9hmbavawcltfgmab8Pdb83dbamcwfabcwfgm8Pdb83dbdndnamydbmbcbhqxekcbhDaohminalamabydbcdtfydbfcFe86bbamclfhmaDcefgDabydwgq6mbkkdnabydxglci2gDabydlgmfgPciGTmbaraPfcbalamcu7fciGcefz:njjjb8Aabydxci2hDabydlhmabydwhqkab9cb83dwababydbaqfBdbabaDcifc98GamfBdlaxRbbhmcbhPkdnamcFeGcFe9hmbaxaP86bbababydwgmcefBdwaoabydbcdtfamcdtfaeBdbkdnakRbbcFe9hmbakabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfadBdbkdnasRbbcFe9hmbasabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfaiBdbkarabydlfabydxci2faxRbb86bbarabydlfabydxci2fcefakRbb86bbarabydlfabydxci2fcdfasRbb86bbababydxcefBdxazk;Ckovud99euv99eul998Jjjjjbc:G;ae9Rgo8KjjjjbdndnadTmbavcd4hrcbhwcbhDindnaiaeclfydbar2cdtfgvIdbaiaeydbar2cdtfgqIdbgk:tgxaiaecwfydbar2cdtfgmIdlaqIdlgP:tgsNamIdbak:tgzavIdlaP:tgPN:tgkakNaPamIdwaqIdwgH:tgONasavIdwaH:tgHN:tgPaPNaHazNaOaxN:tgxaxNMM:rgsJbbbb9Bmbaoc:G:qefawcx2fgAakas:vUdwaAaxas:vUdlaAaPas:vUdbaocafawc8K2fgAaq8Pdb83dbaAav8Pdb83dxaAam8Pdb83dKaAcwfaqcwfydbBdbaAcCfavcwfydbBdbaAcafamcwfydbBdbawcefhwkaecxfheaDcifgDad6mbkab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbawTmeao9cb83iKao9cb83izaoczfaocafawci2z1jjjbaoIdKhCaoIdChXaoIdzhQao9cb83iwao9cb83ibaoaoc:G:qefawz1jjjbJbbjZhkaoIdwgPJbbbbJbbjZaPaPNaoIdbgPaPNaoIdlgsasNMM:rgx:vaxJbbbb9BEgzNhxasazNhsaPazNhzaoc:G:qefheawhvinaecwfIdbaxNaeIdbazNasaeclfIdbNMMgPakaPak9DEhkaecxfheavcufgvmbkabaCUdwabaXUdlabaQUdbabaoId3UdxdndnakJ;n;m;m899FmbJbbbbhPaoc:G:qefheaocafhvinaCavcwfIdb:taecwfIdbgHNaQavIdb:taeIdbgONaXavclfIdb:taeclfIdbgLNMMaxaHNazaONasaLNMM:vgHaPaHaP9EEhPavc8KfhvaecxfheawcufgwmbkabazUd3abc8KfaxUdbabcafasUdbabcKfaCaxaPN:tUdbabcCfaXasaPN:tUdbabaQazaPN:tUdzabJbbjZakakN:t:rgkUdydndnaxJbbj:;axJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;axJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohexekcjjjj94hekabc8Ufae86bbdndnasJbbj:;asJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;asJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohvxekcjjjj94hvkabcRfav86bbdndnazJbbj:;azJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;azJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohqxekcjjjj94hqkabaq86b8SdndnaecKtcK91:YJbb;:9c:vax:t:lavcKtcK91:YJbb;:9c:vas:t:laqcKtcK91:YJbb;:9c:vaz:t:lakMMMJbb;:9cNJbbjZMgk:lJbbb9p9DTmbak:Ohexekcjjjj94hekaecFbaecFb9iEhexekabcjjj;8iBdycFbhekabae86b8Vxekab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbkaoc:G;aef8Kjjjjbk:mvdouq99cbhi8Jjjjjbca9RglczfcwfcbBdbal9cb83izalcwfcbBdbal9cb83ibdnadTmbcbhvinaeaifhocbhrinalczfarfgwavawydbgwaoarfIdbgDaearawcx2ffIdb9DEBdbalarfgwavawydbgwaDaearawcx2ffIdb9EEBdbarclfgrcx9hmbkaicxfhiavcefgvad9hmbkkJbbbbhDcbhrcbhicbhvinaealarfydbcx2fgwIdwaealczfarfydbcx2fgoIdw:tgqaqNawIdbaoIdb:tgqaqNawIdlaoIdl:tgqaqNMMgqaDaqaD9EgwEhDavaiawEhiarclfhravcefgvci9hmbkaealczfaicdtgvfydbcx2fgrIdwaealavfydbcx2fglIdwMJbbbZNhqarIdlalIdlMJbbbZNhkarIdbalIdbMJbbbZNhxaD:rJbbbZNhDdnadTmbindnaecwfIdbgmaq:tgPaPNaeIdbgsax:tgPaPNaeclfIdbgzak:tgPaPNMMgPaDaDN9ETmbaqaDaP:rgH:vJbbbZNJbbbZMgPNamJbbjZaP:tgONMhqakaPNazaONMhkaxaPNasaONMhxaDaHMJbbbZNhDkaecxfheadcufgdmbkkabaDUdxabaqUdwabakUdlabaxUdbkjeeiu8Jjjjjbcj8W9Rgr8Kjjjjbaici2hwdnaiTmbawceawce0EhDarhiinaiaeadRbbcdtfydbBdbadcefhdaiclfhiaDcufgDmbkkabarawaladaoz:hjjjbarcj8Wf8Kjjjjbk:Ylequ8Jjjjjbcjx9Rgl8Kjjjjbcbhvalcjqfcbaiz:njjjb8AdndnadTmbcjehoaehrincuhwarhDcuhqavhkdninawakaoalcjqfaDcefRbbfRbb9RcFeGci6aoalcjqfaDRbbfRbb9RcFeGci6faoalcjqfaDcdfRbbfRbb9RcFeGci6fgxaq9mgmEhwdnammbaxce0mdkaxaqaxaq9kEhqaDcifhDadakcefgk9hmbkkaeawci2fgDcdfRbbhqaDcefRbbhxaDRbbhkaeavci2fgDcifaDawav9Rci2z:qjjjb8Aakalcjqffaocefgo86bbaxalcjqffao86bbaDcdfaq86bbaDcefax86bbaDak86bbaqalcjqffao86bbarcifhravcefgvad9hmbkalcFeaiz:njjjbhoadci2gDceaDce0EhqcbhxindnaoaeRbbgkfgwRbbgDcFe9hmbawax86bbaocjdfaxcdtfabakcdtfydbBdbaxhDaxcefhxkaeaD86bbaecefheaqcufgqmbkaxcdthDxekcbhDkabalcjdfaDz:mjjjb8Aalcjxf8Kjjjjbk9teiucbcbyd11jjbgeabcifc98GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd11jjbgeabcrfc94GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd11jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd11jjbfgdBd11jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk:;Deludndndnadch9pmbabaeSmdaeabadfgi9Rcbadcet9R0mekabaead;8qbbxekaeab7ciGhldndndnabae9pmbdnalTmbadhvabhixikdnabciGmbadhvabhixdkadTmiabaeRbb86bbadcufhvdnabcefgiciGmbaecefhexdkavTmiabaeRbe86beadc9:fhvdnabcdfgiciGmbaecdfhexdkavTmiabaeRbd86bdadc99fhvdnabcifgiciGmbaecifhexdkavTmiabaeRbi86biabclfhiaeclfheadc98fhvxekdnalmbdnaiciGTmbadTmlabadcufgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc9:fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc99fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc98fgdfaeadfRbb86bbkadcl6mbdnadc98fgocd4cefciGgiTmbaec98fhlabc98fhvinavadfaladfydbBdbadc98fhdaicufgimbkkaocx6mbaec9Wfhvabc9WfhoinaoadfgicxfavadfglcxfydbBdbaicwfalcwfydbBdbaiclfalclfydbBdbaialydbBdbadc9Wfgdci0mbkkadTmdadhidnadciGglTmbaecufhvabcufhoadhiinaoaifavaifRbb86bbaicufhialcufglmbkkadcl6mdaec98fhlabc98fhvinavaifgecifalaifgdcifRbb86bbaecdfadcdfRbb86bbaecefadcefRbb86bbaeadRbb86bbaic98fgimbxikkavcl6mbdnavc98fglcd4cefcrGgdTmbavadcdt9RhvinaiaeydbBdbaeclfheaiclfhiadcufgdmbkkalc36mbinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaiaeydzBdzaiaeydCBdCaiaeydKBdKaiaeyd3Bd3aecafheaicafhiavc9Gfgvci0mbkkavTmbdndnavcrGgdmbavhlxekavc94GhlinaiaeRbb86bbaicefhiaecefheadcufgdmbkkavcw6mbinaiaeRbb86bbaiaeRbe86beaiaeRbd86bdaiaeRbi86biaiaeRbl86blaiaeRbv86bvaiaeRbo86boaiaeRbr86braicwfhiaecwfhealc94fglmbkkabkkAebcjwkxebbbdbbbzNbb'; // embed! wasm
 
diff --git a/js/meshopt_decoder.js b/js/meshopt_decoder.js
index e214baff70..f8318d979d 100644
--- a/js/meshopt_decoder.js
+++ b/js/meshopt_decoder.js
@@ -3,7 +3,7 @@
 var MeshoptDecoder = (function () {
 	'use strict';
 	// Built with clang version 18.1.2
-	// Built from meshoptimizer 0.21
+	// Built from meshoptimizer 0.22
 	var wasm_base =
 		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q:Odkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;abfalaocu7gscl4fcsGcitfgzydlhrazydbhzdnaocsGgHak9pmbavawasfcsGcdtfydbaxaHEhoaHThsdndnadcd9hmbabaPcetfgHaz87ebaHclfao87ebaHcdfar87ebxekabaPcdtfgHazBdbaHcwfaoBdbaHclfarBdbkaxasfhxcdhHavawcdtfaoBdbawasfhwcehsalhOxdkdndnaHcsSmbaHc987aHamffcefhoxekaicefhoai8SbbgHcFeGhsdndnaHcu9mmbaohixekaicvfhiascFbGhscrhHdninao8SbbgOcFbGaHtasVhsaOcu9kmeaocefhoaHcrfgHc8J9hmbxdkkaocefhikasce4cbasceG9R7amfhokdndnadcd9hmbabaPcetfgHaz87ebaHclfao87ebaHcdfar87ebxekabaPcdtfgHazBdbaHcwfaoBdbaHclfarBdbkcdhHavawcdtfaoBdbcehsawcefhwalhOaohmxekdnaocpe0mbaxcefgHavawaDaocsGfRbbgocl49RcsGcdtfydbaocz6gzEhravawao9RcsGcdtfydbaHazfgAaocsGgHEhoaHThCdndnadcd9hmbabaPcetfgHax87ebaHclfao87ebaHcdfar87ebxekabaPcdtfgHaxBdbaHcwfaoBdbaHclfarBdbkcdhsavawcdtfaxBdbavawcefgwcsGcdtfarBdbcihHavc;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklzNbb'; // embed! base
 	var wasm_simd =
diff --git a/js/meshopt_decoder.module.js b/js/meshopt_decoder.module.js
index 537008814a..a9bd05fe7b 100644
--- a/js/meshopt_decoder.module.js
+++ b/js/meshopt_decoder.module.js
@@ -2,7 +2,7 @@
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptDecoder = (function () {
 	// Built with clang version 18.1.2
-	// Built from meshoptimizer 0.21
+	// Built from meshoptimizer 0.22
 	var wasm_base =
 		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q:Odkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklzNbb'; // embed! base
 	var wasm_simd =
diff --git a/js/meshopt_encoder.js b/js/meshopt_encoder.js
index 888db48ec3..4626f83cf5 100644
--- a/js/meshopt_encoder.js
+++ b/js/meshopt_encoder.js
@@ -3,7 +3,7 @@
 var MeshoptEncoder = (function () {
 	'use strict';
 	// Built with clang version 18.1.2
-	// Built from meshoptimizer 0.21
+	// Built from meshoptimizer 0.22
 	var wasm =
 		'b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G:Qdkr;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;A9pLdbk;QqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;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;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcetcuftcu7:Yhvdndncuaicuftcu7:YgoJbbbZMgr:lJbbb9p9DTmbar:Ohwxekcjjjj94hwkcbhicbhDinalclfIdbgrJbbbbJbbjZalIdbgq:lar:lMalcwfIdbgk:lMgr:varJbbbb9BEgrNhxaqarNhrdndnakJbbbb9GTmbaxhqxekJbbjZar:l:tgqaq:maxJbbbb9GEhqJbbjZax:l:tgxax:marJbbbb9GEhrkdndnalcxfIdbgxJbbj:;axJbbj:;9GEgkJbbjZakJbbjZ9FEavNJbbbZJbbb:;axJbbbb9GEMgx:lJbbb9p9DTmbax:Ohmxekcjjjj94hmkdndnaqJbbj:;aqJbbj:;9GEgxJbbjZaxJbbjZ9FEaoNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:OhPxekcjjjj94hPkdndnarJbbj:;arJbbj:;9GEgqJbbjZaqJbbjZ9FEaoNJbbbZJbbb:;arJbbbb9GEMgr:lJbbb9p9DTmbar:Ohsxekcjjjj94hskdndnadcl9hmbabaifgzas86bbazcifam86bbazcdfaw86bbazcefaP86bbxekabaDfgzas87ebazcofam87ebazclfaw87ebazcdfaP87ebkalczfhlaiclfhiaDcwfhDaecufgembkkk;hlld99eud99eudnaeTmbdndncuaicuftcu7:YgvJbbbZMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikaic;8FiGhrinabcofcicdalclfIdb:lalIdb:l9EgialcwfIdb:lalaicdtfIdb:l9EEgialcxfIdb:lalaicdtfIdb:l9EEgiarV87ebdndnJbbj:;JbbjZalaicdtfIdbJbbbb9DEgoalaicd7cdtfIdbJ;Zl:1ZNNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabcdfaq87ebdndnalaicefciGcdtfIdbJ;Zl:1ZNaoNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabaq87ebdndnaoalaicufciGcdtfIdbJ;Zl:1ZNNgoJbbj:;aoJbbj:;9GEgwJbbjZawJbbjZ9FEavNJbbbZJbbb:;aoJbbbb9GEMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikabclfai87ebabcwfhbalczfhlaecufgembkkk;3viDue99eu8Jjjjjbcjd9Rgo8Kjjjjbadcd4hrdndndndnavcd9hmbadcl6meaohwarhDinawc:CuBdbawclfhwaDcufgDmbkaeTmiadcl6mdarcdthqalhkcbhxinaohwakhDarhminawawydbgPcbaDIdbgs:8cL4cFeGc:cufasJbbbb9BEgzaPaz9kEBdbaDclfhDawclfhwamcufgmmbkakaqfhkaxcefgxaeSmixbkkaeTmdxekaeTmekarcdthkavce9hhqadcl6hdcbhxindndndnaqmbadmdc:CuhDalhwarhminaDcbawIdbgs:8cL4cFeGc:cufasJbbbb9BEgPaDaP9kEhDawclfhwamcufgmmbxdkkc:CuhDdndnavPleddbdkadmdaohwalhmarhPinawcbamIdbgs:8cL4cFeGgzc;:bazc;:b9kEc:cufasJbbbb9BEBdbamclfhmawclfhwaPcufgPmbxdkkadmecbhwarhminaoawfcbalawfIdbgs:8cL4cFeGgPc8AaPc8A9kEc:cufasJbbbb9BEBdbawclfhwamcufgmmbkkadmbcbhwarhPinaDhmdnavceSmbaoawfydbhmkdndnalawfIdbgscjjj;8iamai9RcefgmcLt9R::NJbbbZJbbb:;asJbbbb9GEMgs:lJbbb9p9DTmbas:Ohzxekcjjjj94hzkabawfazcFFFrGamcKtVBdbawclfhwaPcufgPmbkkabakfhbalakfhlaxcefgxae9hmbkkaocjdf8Kjjjjbk;HqdCui998Jjjjjbc:qd9Rgv8Kjjjjbavc:Sefcbc;KbzNjjjb8AcbhodnadTmbcbhoaiTmbdnabae9hmbavcuadcdtgradcFFFFi0Ecbyd:m:kjjbHjjjjbbgeBd:SeavceBd:mdaeabarz:tjjjb8Akavc:GefcwfcbBdbav9cb83i:Geavc:Gefaeadaiavc:Sefz:njjjbavyd:Gehwadci9UgDcbyd:m:kjjbHjjjjbbhravc:Sefavyd:mdgqcdtfarBdbavaqcefgkBd:mdarcbaDzNjjjbhxavc:SefakcdtfcuaicdtaicFFFFi0Ecbyd:m:kjjbHjjjjbbgmBdbavaqcdfgPBd:mdawhramhkinakalIdbalarydbgscwascw6Ecdtfc;ebfIdbMUdbarclfhrakclfhkaicufgimbkavc:SefaPcdtfcuaDcdtadcFFFF970Ecbyd:m:kjjbHjjjjbbgPBdbdnadci6mbaehraPhkaDhiinakamarydbcdtfIdbamarclfydbcdtfIdbMamarcwfydbcdtfIdbMUdbarcxfhrakclfhkaicufgimbkkaqcifhoavc;qbfhzavhravyd:KehHavyd:OehOcbhscbhkcbhAcehCinarhXcihQaeakci2gLcdtfgrydbhdarclfydbhqabaAcx2fgicwfarcwfydbgKBdbaiclfaqBdbaiadBdbaxakfce86bbazaKBdwazaqBdlazadBdbaPakcdtfcbBdbdnasTmbcihQaXhiinazaQcdtfaiydbgrBdbaQaraK9harad9haraq9hGGfhQaiclfhiascufgsmbkkaAcefhAcbhsinaOaHaeasaLfcdtfydbcdtgifydbcdtfgKhrawaifgqydbgdhidnadTmbdninarydbakSmearclfhraicufgiTmdxbkkaraKadcdtfc98fydbBdbaqaqydbcufBdbkascefgsci9hmbkdndnaQTmbcuhkJbbbbhYcbhqavyd:KehKavyd:OehLindndnawazaqcdtfydbcdtgsfydbgrmbaqcefhqxekaqcs0hiamasfgdIdbh8AadalcbaqcefgqaiEcdtfIdbalarcwarcw6Ecdtfc;ebfIdbMgEUdbaEa8A:thEarcdthiaLaKasfydbcdtfhrinaParydbgscdtfgdaEadIdbMg8AUdba8AaYaYa8A9DgdEhYasakadEhkarclfhraic98fgimbkkaqaQ9hmbkakcu9hmekaCaD9pmdindnaxaCfRbbmbaChkxdkaDaCcefgC9hmbxikkaQczaQcz6EhsazhraXhzakcu9hmbkkaocdtavc:Seffc98fhrdninaoTmearydbcbyd1:kjjbH:bjjjbbarc98fhraocufhoxbkkavc:qdf8Kjjjjbk;IlevucuaicdtgvaicFFFFi0Egocbyd:m:kjjbHjjjjbbhralalyd9GgwcdtfarBdbalawcefBd9GabarBdbaocbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdlcuadcdtadcFFFFi0Ecbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdwabydbcbavzNjjjb8Aadci9UhDdnadTmbabydbhoaehladhrinaoalydbcdtfgvavydbcefBdbalclfhlarcufgrmbkkdnaiTmbabydbhlabydlhrcbhvaihoinaravBdbarclfhralydbavfhvalclfhlaocufgombkkdnadci6mbabydlhrabydwhvcbhlinaecwfydbhoaeclfydbhdaraeydbcdtfgwawydbgwcefBdbavawcdtfalBdbaradcdtfgdadydbgdcefBdbavadcdtfalBdbaraocdtfgoaoydbgocefBdbavaocdtfalBdbaecxfheaDalcefgl9hmbkkdnaiTmbabydlheabydbhlinaeaeydbalydb9RBdbalclfhlaeclfheaicufgimbkkkQbabaeadaic:01jjbz:mjjjbkQbabaeadaic:C:jjjbz:mjjjbk9DeeuabcFeaicdtzNjjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk;Wkivuo99lu8Jjjjjbc;W;Gb9Rgl8Kjjjjbcbhvalcj;Gbfcbc;KbzNjjjb8AalcuadcdtadcFFFFi0Egocbyd:m:kjjbHjjjjbbgrBdj9GalceBd;G9GalcFFF;7rBdwal9cFFF;7;3FF:;Fb83dbalcFFF97Bd;S9Gal9cFFF;7FFF:;u83d;K9Gaicd4hwdndnadmbJFFuFhDJFFuuhqJFFuuhkJFFuFhxJFFuuhmJFFuFhPxekawcdthsaehzincbhiinalaifgHazaifIdbgDaHIdbgxaxaD9EEUdbalc;K;GbfaifgHaDaHIdbgxaxaD9DEUdbaiclfgicx9hmbkazasfhzavcefgvad9hmbkalIdwhqalId;S9GhDalIdlhkalId;O9GhxalIdbhmalId;K9GhPkdndnadTmbJbbbbJbbjZJbbbbaPam:tgPaPJbbbb9DEgPaxak:tgxaxaP9DEgxaDaq:tgDaDax9DEgD:vaDJbbbb9BEhDawcdthsarhHadhzindndnaDaeIdbam:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2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// embed! wasm
 
diff --git a/js/meshopt_encoder.module.js b/js/meshopt_encoder.module.js
index 2481fe4259..ceacebd045 100644
--- a/js/meshopt_encoder.module.js
+++ b/js/meshopt_encoder.module.js
@@ -2,7 +2,7 @@
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptEncoder = (function () {
 	// Built with clang version 18.1.2
-	// Built from meshoptimizer 0.21
+	// Built from meshoptimizer 0.22
 	var wasm =
 		'b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G:Qdkr;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;A9pLdbk;QqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;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;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcetcuftcu7:Yhvdndncuaicuftcu7:YgoJbbbZMgr:lJbbb9p9DTmbar:Ohwxekcjjjj94hwkcbhicbhDinalclfIdbgrJbbbbJbbjZalIdbgq:lar:lMalcwfIdbgk:lMgr:varJbbbb9BEgrNhxaqarNhrdndnakJbbbb9GTmbaxhqxekJbbjZar:l:tgqaq:maxJbbbb9GEhqJbbjZax:l:tgxax:marJbbbb9GEhrkdndnalcxfIdbgxJbbj:;axJbbj:;9GEgkJbbjZakJbbjZ9FEavNJbbbZJbbb:;axJbbbb9GEMgx:lJbbb9p9DTmbax:Ohmxekcjjjj94hmkdndnaqJbbj:;aqJbbj:;9GEgxJbbjZaxJbbjZ9FEaoNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:OhPxekcjjjj94hPkdndnarJbbj:;arJbbj:;9GEgqJbbjZaqJbbjZ9FEaoNJbbbZJbbb:;arJbbbb9GEMgr:lJbbb9p9DTmbar:Ohsxekcjjjj94hskdndnadcl9hmbabaifgzas86bbazcifam86bbazcdfaw86bbazcefaP86bbxekabaDfgzas87ebazcofam87ebazclfaw87ebazcdfaP87ebkalczfhlaiclfhiaDcwfhDaecufgembkkk;hlld99eud99eudnaeTmbdndncuaicuftcu7:YgvJbbbZMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikaic;8FiGhrinabcofcicdalclfIdb:lalIdb:l9EgialcwfIdb:lalaicdtfIdb:l9EEgialcxfIdb:lalaicdtfIdb:l9EEgiarV87ebdndnJbbj:;JbbjZalaicdtfIdbJbbbb9DEgoalaicd7cdtfIdbJ;Zl:1ZNNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabcdfaq87ebdndnalaicefciGcdtfIdbJ;Zl:1ZNaoNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabaq87ebdndnaoalaicufciGcdtfIdbJ;Zl:1ZNNgoJbbj:;aoJbbj:;9GEgwJbbjZawJbbjZ9FEavNJbbbZJbbb:;aoJbbbb9GEMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikabclfai87ebabcwfhbalczfhlaecufgembkkk;3viDue99eu8Jjjjjbcjd9Rgo8Kjjjjbadcd4hrdndndndnavcd9hmbadcl6meaohwarhDinawc:CuBdbawclfhwaDcufgDmbkaeTmiadcl6mdarcdthqalhkcbhxinaohwakhDarhminawawydbgPcbaDIdbgs:8cL4cFeGc:cufasJbbbb9BEgzaPaz9kEBdbaDclfhDawclfhwamcufgmmbkakaqfhkaxcefgxaeSmixbkkaeTmdxekaeTmekarcdthkavce9hhqadcl6hdcbhxindndndnaqmbadmdc:CuhDalhwarhminaDcbawIdbgs:8cL4cFeGc:cufasJbbbb9BEgPaDaP9kEhDawclfhwamcufgmmbxdkkc:CuhDdndnavPleddbdkadmdaohwalhmarhPinawcbamIdbgs:8cL4cFeGgzc;:bazc;:b9kEc:cufasJbbbb9BEBdbamclfhmawclfhwaPcufgPmbxdkkadmecbhwarhminaoawfcbalawfIdbgs:8cL4cFeGgPc8AaPc8A9kEc:cufasJbbbb9BEBdbawclfhwamcufgmmbkkadmbcbhwarhPinaDhmdnavceSmbaoawfydbhmkdndnalawfIdbgscjjj;8iamai9RcefgmcLt9R::NJbbbZJbbb:;asJbbbb9GEMgs:lJbbb9p9DTmbas:Ohzxekcjjjj94hzkabawfazcFFFrGamcKtVBdbawclfhwaPcufgPmbkkabakfhbalakfhlaxcefgxae9hmbkkaocjdf8Kjjjjbk;HqdCui998Jjjjjbc:qd9Rgv8Kjjjjbavc:Sefcbc;KbzNjjjb8AcbhodnadTmbcbhoaiTmbdnabae9hmbavcuadcdtgradcFFFFi0Ecbyd:m:kjjbHjjjjbbgeBd:SeavceBd:mdaeabarz:tjjjb8Akavc:GefcwfcbBdbav9cb83i:Geavc:Gefaeadaiavc:Sefz:njjjbavyd:Gehwadci9UgDcbyd:m:kjjbHjjjjbbhravc:Sefavyd:mdgqcdtfarBdbavaqcefgkBd:mdarcbaDzNjjjbhxavc:SefakcdtfcuaicdtaicFFFFi0Ecbyd:m:kjjbHjjjjbbgmBdbavaqcdfgPBd:mdawhramhkinakalIdbalarydbgscwascw6Ecdtfc;ebfIdbMUdbarclfhrakclfhkaicufgimbkavc:SefaPcdtfcuaDcdtadcFFFF970Ecbyd:m:kjjbHjjjjbbgPBdbdnadci6mbaehraPhkaDhiinakamarydbcdtfIdbamarclfydbcdtfIdbMamarcwfydbcdtfIdbMUdbarcxfhrakclfhkaicufgimbkkaqcifhoavc;qbfhzavhravyd:KehHavyd:OehOcbhscbhkcbhAcehCinarhXcihQaeakci2gLcdtfgrydbhdarclfydbhqabaAcx2fgicwfarcwfydbgKBdbaiclfaqBdbaiadBdbaxakfce86bbazaKBdwazaqBdlazadBdbaPakcdtfcbBdbdnasTmbcihQaXhiinazaQcdtfaiydbgrBdbaQaraK9harad9haraq9hGGfhQaiclfhiascufgsmbkkaAcefhAcbhsinaOaHaeasaLfcdtfydbcdtgifydbcdtfgKhrawaifgqydbgdhidnadTmbdninarydbakSmearclfhraicufgiTmdxbkkaraKadcdtfc98fydbBdbaqaqydbcufBdbkascefgsci9hmbkdndnaQTmbcuhkJbbbbhYcbhqavyd:KehKavyd:OehLindndnawazaqcdtfydbcdtgsfydbgrmbaqcefhqxekaqcs0hiamasfgdIdbh8AadalcbaqcefgqaiEcdtfIdbalarcwarcw6Ecdtfc;ebfIdbMgEUdbaEa8A:thEarcdthiaLaKasfydbcdtfhrinaParydbgscdtfgdaEadIdbMg8AUdba8AaYaYa8A9DgdEhYasakadEhkarclfhraic98fgimbkkaqaQ9hmbkakcu9hmekaCaD9pmdindnaxaCfRbbmbaChkxdkaDaCcefgC9hmbxikkaQczaQcz6EhsazhraXhzakcu9hmbkkaocdtavc:Seffc98fhrdninaoTmearydbcbyd1:kjjbH:bjjjbbarc98fhraocufhoxbkkavc:qdf8Kjjjjbk;IlevucuaicdtgvaicFFFFi0Egocbyd:m:kjjbHjjjjbbhralalyd9GgwcdtfarBdbalawcefBd9GabarBdbaocbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdlcuadcdtadcFFFFi0Ecbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdwabydbcbavzNjjjb8Aadci9UhDdnadTmbabydbhoaehladhrinaoalydbcdtfgvavydbcefBdbalclfhlarcufgrmbkkdnaiTmbabydbhlabydlhrcbhvaihoinaravBdbarclfhralydbavfhvalclfhlaocufgombkkdnadci6mbabydlhrabydwhvcbhlinaecwfydbhoaeclfydbhdaraeydbcdtfgwawydbgwcefBdbavawcdtfalBdbaradcdtfgdadydbgdcefBdbavadcdtfalBdbaraocdtfgoaoydbgocefBdbavaocdtfalBdbaecxfheaDalcefgl9hmbkkdnaiTmbabydlheabydbhlinaeaeydbalydb9RBdbalclfhlaeclfheaicufgimbkkkQbabaeadaic:01jjbz:mjjjbkQbabaeadaic:C:jjjbz:mjjjbk9DeeuabcFeaicdtzNjjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk;Wkivuo99lu8Jjjjjbc;W;Gb9Rgl8Kjjjjbcbhvalcj;Gbfcbc;KbzNjjjb8AalcuadcdtadcFFFFi0Egocbyd:m:kjjbHjjjjbbgrBdj9GalceBd;G9GalcFFF;7rBdwal9cFFF;7;3FF:;Fb83dbalcFFF97Bd;S9Gal9cFFF;7FFF:;u83d;K9Gaicd4hwdndnadmbJFFuFhDJFFuuhqJFFuuhkJFFuFhxJFFuuhmJFFuFhPxekawcdthsaehzincbhiinalaifgHazaifIdbgDaHIdbgxaxaD9EEUdbalc;K;GbfaifgHaDaHIdbgxaxaD9DEUdbaiclfgicx9hmbkazasfhzavcefgvad9hmbkalIdwhqalId;S9GhDalIdlhkalId;O9GhxalIdbhmalId;K9GhPkdndnadTmbJbbbbJbbjZJbbbbaPam:tgPaPJbbbb9DEgPaxak:tgxaxaP9DEgxaDaq:tgDaDax9DEgD:vaDJbbbb9BEhDawcdthsarhHadhzindndnaDaeIdbam:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2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// embed! wasm
 
diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 16a710fb88..b63821ac4e 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -3,7 +3,7 @@
 var MeshoptSimplifier = (function () {
 	'use strict';
 	// Built with clang version 18.1.2
-	// Built from meshoptimizer 0.21
+	// Built from meshoptimizer 0.22
 	var wasm =
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a8ZaeIdCMUdCaea8SaeIdKMUdKaeaIaeId3MUd3aea8VaeIdaMUdaaea8PaeId8KMUd8KaeaRaeIdyMUdyaHcxfhHaAcifgAad6mbkcbhiabhKinabaicdtfhYcbhHinaXaYaHc:G1jjbfydbcdtfydbgOfRbbhedndnaXaKaHfydbgCfRbbgAc99fcFeGcpe0mbaeceSmbaecd9hmekdnaAcufcFeGce0mbahaCcdtfydbaO9hmekdnaecufcFeGce0mbagaOcdtfydbaC9hmekdnaAcv2aefcj1jjbfRbbTmbaQaOcdtfydbaQaCcdtfydb0mekJbbacJbbacJbbjZaeceSEaAceSEh8ZdnaaaYaHc:K1jjbfydbcdtfydbcx2fgeIdwaaaCcx2fgAIdwg8R:tg8VaaaOcx2fgLIdwa8R:tg8Sa8SNaLIdbaAIdbg8W:tgIaINaLIdlaAIdlg8U:tgRaRNMMg8PNa8Va8SNaeIdba8W:tg80aINaRaeIdla8U:tg8YNMMg8Xa8SN:tg8Va8VNa80a8PNa8XaIN:tg8Sa8SNa8Ya8PNa8XaRN:tgIaINMM:rgRJbbbb9ETmba8VaR:vh8VaIaR:vhIa8SaR:vh8SkaqaQaCcdtfydbc8S2fgea8Sa8Za8P:rNgRa8SNNg8XaeIdbMUdbaeaIaRaINg8ZNg80aeIdlMUdlaea8VaRa8VNg8PNg8YaeIdwMUdwaea8Za8SNg8ZaeIdxMUdxaea8Pa8SNg81aeIdzMUdzaea8PaINgBaeIdCMUdCaea8SaRa8Va8RNa8Sa8WNa8UaINMM:mg8RNg8PNg8SaeIdKMUdKaeaIa8PNgIaeId3MUd3aea8Va8PNg8VaeIdaMUdaaea8Pa8RNg8PaeId8KMUd8KaeaRaeIdyMUdyaqaQaOcdtfydbc8S2fgea8XaeIdbMUdbaea80aeIdlMUdlaea8YaeIdwMUdwaea8ZaeIdxMUdxaea81aeIdzMUdzaeaBaeIdCMUdCaea8SaeIdKMUdKaeaIaeId3MUd3aea8VaeIdaMUdaaea8PaeId8KMUd8KaeaRaeIdyMUdykaHclfgHcx9hmbkaKcxfhKaicifgiad6mbkdna8JTmbcbhKinJbbbbh8WaaabaKcdtfgeclfydbgLcx2fgHIdwaaaeydbgicx2fgOIdwg8Y:tgIaINaHIdbaOIdbg81:tg8Va8VNaHIdlaOIdlgB:tgRaRNMMg8Zaaaecwfydbg8Fcx2fgeIdwa8Y:tg8PNaIaIa8PNa8VaeIdba81:tg8RNaRaeIdlaB:tg8UNMMg8SN:tJbbbbJbbjZa8Za8Pa8PNa8Ra8RNa8Ua8UNMMg80Na8Sa8SN:tg8X:va8XJbbbb9BEg8XNh83a80aINa8Pa8SN:ta8XNhUa8Za8UNaRa8SN:ta8XNh85a80aRNa8Ua8SN:ta8XNh86a8Za8RNa8Va8SN:ta8XNh87a80a8VNa8Ra8SN:ta8XNh88a8Va8UNa8RaRN:tg8Sa8SNaRa8PNa8UaIN:tg8Sa8SNaIa8RNa8Pa8VN:tg8Sa8SNMM:rJbbbZNh8Sayaia8J2g3cdtfhHaya8Fa8J2gwcdtfhOayaLa8J2g8LcdtfhCa8Y:mh89aB:mh8:a81:mhZcbhAa8JhYJbbbbh8UJbbbbh8XJbbbbh8ZJbbbbh80Jbbbbh8YJbbbbh81JbbbbhBJbbbbhnJbbbbhcinasc;WbfaAfgecwfa8SaUaCIdbaHIdbg8P:tgRNa83aOIdba8P:tg8RNMgINUdbaeclfa8Sa86aRNa85a8RNMg8VNUdbaea8Sa88aRNa87a8RNMgRNUdbaecxfa8Sa89aINa8:a8VNa8PaZaRNMMMg8PNUdba8SaIa8VNNa80Mh80a8SaIaRNNa8YMh8Ya8Sa8VaRNNa81Mh81a8Sa8Pa8PNNa8WMh8Wa8SaIa8PNNa8UMh8Ua8Sa8Va8PNNa8XMh8Xa8SaRa8PNNa8ZMh8Za8SaIaINNaBMhBa8Sa8Va8VNNanMhna8SaRaRNNacMhcaHclfhHaCclfhCaOclfhOaAczfhAaYcufgYmbkavaic8S2fgeacaeIdbMUdbaeanaeIdlMUdlaeaBaeIdwMUdwaea81aeIdxMUdxaea8YaeIdzMUdzaea80aeIdCMUdCaea8ZaeIdKMUdKaea8XaeId3MUd3aea8UaeIdaMUdaaea8WaeId8KMUd8Kaea8SaeIdyMUdyavaLc8S2fgeacaeIdbMUdbaeanaeIdlMUdlaeaBaeIdwMUdwaea81aeIdxMUdxaea8YaeIdzMUdzaea80aeIdCMUdCaea8ZaeIdKMUdKaea8XaeId3MUd3aea8UaeIdaMUdaaea8WaeId8KMUd8Kaea8SaeIdyMUdyava8Fc8S2fgeacaeIdbMUdbaeanaeIdlMUdlaeaBaeIdwMUdwaea81aeIdxMUdxaea8YaeIdzMUdzaea80aeIdCMUdCaea8ZaeIdKMUdKaea8XaeId3MUd3aea8UaeIdaMUdaaea8WaeId8KMUd8Kaea8SaeIdyMUdyara3cltfhYcbhHa8JhCinaYaHfgeasc;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkara8LcltfhYcbhHa8JhCinaYaHfgeasc;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkarawcltfhYcbhHa8JhCinaYaHfgeasc;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkaKcifgKad6mbkkcbhOxekcehOcbhrkcbh8FdndnamcwGg9cmbJbbbbh8ZcbhJcbhocbhCxekcbhea5cbyd;S1jjbHjjjjbbhCascxfasyd2gHcdtfaCBdbasaHcefBd2dnalTmbaChHinaHaeBdbaHclfhHalaecefge9hmbkkdnaOmbcbhiinabaicdtfhLcbhKinaQaLaKcdtgec: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;S1jjbHjjjjbbhoascxfasyd2gHcdtfaoBdbasaHcefBd2aocbaez:ljjjbhAdnalTmbaChOaahealhYinaecwfIdbh8SaeclfIdbhIaAaOydbcltfgHaeIdbaHIdbMUdbaHclfgKaIaKIdbMUdbaHcwfgKa8SaKIdbMUdbaHcxfgHaHIdbJbbjZMUdbaOclfhOaecxfheaYcufgYmbkkdnaJTmbaAheaJhHinaecxfgOIdbh8SaOcbBdbaeaeIdbJbbbbJbbjZa8S:va8SJbbbb9BEg8SNUdbaeclfgOa8SaOIdbNUdbaecwfgOa8SaOIdbNUdbaeczfheaHcufgHmbkkdnalTmbaChOaahealhYinaAaOydbcltfgHcxfgKaecwfIdbaHcwfIdb:tg8Sa8SNaeIdbaHIdb:tg8Sa8SNaeclfIdbaHclfIdb:tg8Sa8SNMMg8SaKIdbgIaIa8S9DEUdbaOclfhOaecxfheaYcufgYmbkkdnaJmbcbhJJFFuuh8ZxekaAcxfheaAhHaJhOinaHaeIdbUdbaeczfheaHclfhHaOcufgOmbkJFFuuh8ZaAheaJhHinaeIdbg8Sa8Za8Za8S9EEh8ZaeclfheaHcufgHmbkkasydlh9ednalTmba9eclfhea9eydbhAaXhHalhYcbhOincbaeydbgKaA9RaHRbbcpeGEaOfhOaHcefhHaeclfheaKhAaYcufgYmbkaOce4h8Fkcuada8F9RcifgTcx2aTc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhDascxfasyd2gecdtfaDBdbasaecefBd2cuaTcdtaTcFFFFi0Ecbyd;S1jjbHjjjjbbhSascxfasyd2gecdtfaSBdbasaecefBd2a5cbyd;S1jjbHjjjjbbh8Mascxfasyd2gecdtfa8MBdbasaecefBd2alcbyd;S1jjbHjjjjbbh9hascxfasyd2gecdtfa9hBdbasaecefBd2axaxNa8NJbbjZamclGEg83a83N:vhcJbbbbhndnadak9nmbdnaTci6mba8Jclth9iaDcwfh6JbbbbhBJbbbbhninasclfabadalaQz:cjjjbabh8FcbhEcbh5inaba5cdtfh3cbheindnaQa8FaefydbgOcdtgifydbgYaQa3aec:W1jjbfydbcdtfydbgHcdtgwfydbgKSmbaXaHfRbbgLcv2aXaOfRbbgAfc;a1jjbfRbbg8AaAcv2aLfg8Lc;a1jjbfRbbg8KVcFeGTmbdnaKaY9nmba8Lcj1jjbfRbbcFeGmekaAcufhYdnaAaL9hmbaYcFeGce0mbahaifydbaH9hmekdndnaAclSmbaLcl9hmekdnaYcFeGce0mbahaifydbaH9hmdkaLcufcFeGce0mbagawfydbaO9hmekaDaEcx2fgAaHaOa8KcFeGgYEBdlaAaOaHaYEBdbaAaYa8AGcb9hBdwaEcefhEkaeclfgecx9hmbkdna5cifg5ad9pmba8Fcxfh8FaEcifaT9nmekkaETmdcbhiinJbbbbJbbjZaqaQaDaicx2fgAydlgKaAydbgYaAydwgHEgLcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaYaKaHEg8Fcx2fgHIdwgRNaeIdzaHIdbg8PNaeIdaMg8Sa8SMMaRNaeIdlaHIdlg8RNaeIdCaRNaeId3Mg8Sa8SMMa8RNaeIdba8PNaeIdxa8RNaeIdKMg8Sa8SMMa8PNaeId8KMMM:lNh80JbbbbJbbjZaqaQaYcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaKcx2fgHIdwg8VNaeIdzaHIdbg8WNaeIdaMg8Sa8SMMa8VNaeIdlaHIdlg8UNaeIdCa8VNaeId3Mg8Sa8SMMa8UNaeIdba8WNaeIdxa8UNaeIdKMg8Sa8SMMa8WNaeId8KMMM:lNh8YaAcwfh3aAclfhwdna8JTmbavaYc8S2fgOIdwa8VNaOIdza8WNaOIdaMg8Sa8SMMa8VNaOIdla8UNaOIdCa8VNaOId3Mg8Sa8SMMa8UNaOIdba8WNaOIdxa8UNaOIdKMg8Sa8SMMa8WNaOId8KMMMh8SayaKa8J2cdtfhHaraYa8J2cltfheaOIdyh8Xa8JhOinaHIdbgIaIa8XNaecxfIdba8VaecwfIdbNa8WaeIdbNa8UaeclfIdbNMMMgIaIM:tNa8SMh8SaHclfhHaeczfheaOcufgOmbkavaLc8S2fgOIdwaRNaOIdza8PNaOIdaMgIaIMMaRNaOIdla8RNaOIdCaRNaOId3MgIaIMMa8RNaOIdba8PNaOIdxa8RNaOIdKMgIaIMMa8PNaOId8KMMMhIaya8Fa8J2cdtfhHaraLa8J2cltfheaOIdyh8Wa8JhOinaHIdbg8Va8Va8WNaecxfIdbaRaecwfIdbNa8PaeIdbNa8RaeclfIdbNMMMg8Va8VM:tNaIMhIaHclfhHaeczfheaOcufgOmbka80aI:lMh80a8Ya8S:lMh8YkawaKa8Fa8Ya809FgeEBdbaAaYaLaeEBdba3a8Ya80aeEUdbaicefgiaE9hmbkasc;Wbfcbcj;qbz:ljjjb8Aa6heaEhHinasc;WbfaeydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbcefBdbaecxfheaHcufgHmbkcbhecbhHinasc;WbfaefgOydbhAaOaHBdbaAaHfhHaeclfgecj;qb9hmbkcbhea6hHinasc;WbfaHydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbgOcefBdbaSaOcdtfaeBdbaHcxfhHaEaecefge9hmbkadak9RgOci9Uh9kdnalTmbcbhea8MhHinaHaeBdbaHclfhHalaecefge9hmbkkcbh0a9hcbalz:ljjjbh9maOcO9Uh9na9kce4h9oasydwh9pcbh8KcbhwdninaDaSawcdtfydbcx2fg3Idwg8Sac9Emea8Ka9k9pmeJFFuuhIdna9oaE9pmbaDaSa9ocdtfydbcx2fIdwJbb;aZNhIkdna8SaI9ETmba8San9ETmba8Ka9n0mdkdna9maQa3ydlgicdtg9qfydbgAfg9rRbba9maQa3ydbgLcdtg9sfydbgHfg9tRbbVmbaXaLfRbbh9udna9eaHcdtfgeclfydbgOaeydbgeSmbaOae9RhKa9paecitfheaaaAcx2fg8Lcwfh5a8Lclfh9vaaaHcx2fg8Acwfh9wa8Aclfh9xcbhHceh8Fdnindna8MaeydbcdtfydbgOaASmba8MaeclfydbcdtfydbgYaASmbaOaYSmbaaaYcx2fgYIdbaaaOcx2fgOIdbg8V:tg8Sa9xIdbaOIdlgR:tg8WNa8AIdba8V:tg8UaYIdlaR:tgIN:tg8Pa8Sa9vIdbaR:tg8XNa8LIdba8V:tg80aIN:tgRNaIa9wIdbaOIdwg8R:tg8YNa8WaYIdwa8R:tg8VN:tg8WaIa5Idba8R:tg81Na8Xa8VN:tgINa8Va8UNa8Ya8SN:tg8Ra8Va80Na81a8SN:tg8SNMMa8Pa8PNa8Wa8WNa8Ra8RNMMaRaRNaIaINa8Sa8SNMMN:rJbbj8:N9FmdkaecwfheaHcefgHaK6h8FaKaH9hmbkka8FceGTmba9ocefh9oxeka3cwfhHdndndndna9uc9: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:va8SJbbbb9BEaeIdwaaa8Fcx2fgHIdwg8SNaeIdzaHIdbgINaeIdaMg8Va8VMMa8SNaeIdlaHIdlg8VNaeIdCa8SNaeId3Mg8Sa8SMMa8VNaeIdbaINaeIdxa8VNaeIdKMg8Sa8SMMaINaeId8KMMM: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:cjjjbkdndnadak0mbadhOxekdna9cmbadhOxekdna8Zac9FmbadhOxekina8ZJbb;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:rNUdbkasyd2gecdtascxffc98fhHdninaeTmeaHydbcbyd;O1jjbH:bjjjbbaHc98fhHaecufhexbkkasc;W;qbf8KjjjjbaOk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk:nCoDud99rue99lul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhPawcuaicdtgsaicFFFFi0Ecbyd;S1jjbHjjjjbbgzBdCawciBd2dndnar:ZgH:rJbbbZMgO:lJbbb9p9DTmbaO:Ohexekcjjjj94hekaicufhAc:bwhmcbhCadhXcbhQinaChLaeamgKcufaeaK9iEaPgDcefaeaD9kEhYdndnadTmbaYcuf:YhOaqhiaxheadhmindndnaiIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcCthCdndnaiclfIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhExekcjjjj94hEkaEcqtaCVhCdndnaicwfIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhExekcjjjj94hEkaeaCaEVBdbaicxfhiaeclfheamcufgmmbkazcFeasz:ljjjbh3cbh5cbh8Eindna3axa8EcdtfydbgCcm4aC7c:v;t;h;Ev2gics4ai7aAGgmcdtfgEydbgecuSmbaeaCSmbcehiina3amaifaAGgmcdtfgEydbgecuSmeaicefhiaeaC9hmbkkaEaCBdba5aecuSfh5a8Ecefg8Ead9hmbxdkkazcFeasz:ljjjb8Acbh5kaDaYa5ar0giEhPaLa5aiEhCdna5arSmbaYaKaiEgmaP9Rcd9imbdndnaQcl0mbdnaX:ZgOaL:Zg8A:taY:Yg8FaD:Y:tgaa8FaK:Y:tgha5:ZggaH:tNNNaOaH:tahNa8Aag:tNa8AaH:taaNagaO:tNM:va8FMJbbbZMgO:lJbbb9p9DTmbaO:Ohexdkcjjjj94hexekaPamfcd9Theka5aXaiEhXaQcefgQcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg8EBdKawclBd2aPcuf:Yh8AdndnadTmbaqhiaxheadhmindndnaiIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhCxekcjjjj94hCkaCcCthCdndnaiclfIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhExekcjjjj94hEkaEcqtaCVhCdndnaicwfIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhExekcjjjj94hEkaeaCaEVBdbaicxfhiaeclfheamcufgmmbkazcFeasz:ljjjbh3cbhDcbh5inaxa5cdtgYfydbgCcm4aC7c:v;t;h;Ev2gics4ai7hecbhidndnina3aeaAGgmcdtfgEydbgecuSmednaxaecdtgEfydbaCSmbaicefgiamfheaiaA9nmekka8EaEfydbhixekaEa5BdbaDhiaDcefhDka8EaYfaiBdba5cefg5ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekazcFeasz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhEavcd4hxdnadTmbdnalTmbaxcdth3a8EhCalheaqhmadhAinaEaCydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaCclfhCaea3fheamcxfhmaAcufgAmbxdkka8EhmaqheadhCinaEamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaCcufgCmbkkdnaDTmbaEhiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgO:vaOJbbbb9BEgONUdbaiclfgmaOamIdbNUdbaicwfgmaOamIdbNUdbaicxfgmaOamIdbNUdbaiczfgmaOamIdbNUdbaicCfgmaOamIdbNUdbaic3fhiaecufgembkkcbhCawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbg3Bd8KaecFeaYz:ljjjbh5dnadTmbJbbjZJbbjZa8A:vaPceSEaoNgOaONh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaEa8EydbgAc32fgiIdC:tgOaONamIdbaiIdx:tgOaONamIdlaiIdz:tgOaONMMNaqcwfIdbaiIdw:tgOaONaqIdbaiIdb:tgOaONaqclfIdbaiIdl:tgOaONMMMhOdndna5aAcdtgifgmydbcuSmba3aifIdbaO9ETmekamaCBdba3aifaOUdbka8Eclfh8EaeaxfheaqcxfhqadaCcefgC9hmbkkaba5aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oeeebeebebbeeebebbbbbebebbbbbbbbbebbbdbbbbbbbebbbebbbdbbbbbbbbbbbeeeeebebbebbebebbbeebbbbbbbbbbbbbbbbbbbbbc;OwkxebbbdbbbjNbb'; // embed! wasm
 
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index 7f183f92b7..8c1b8a5cdb 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -2,7 +2,7 @@
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptSimplifier = (function () {
 	// Built with clang version 18.1.2
-	// Built from meshoptimizer 0.21
+	// Built from meshoptimizer 0.22
 	var wasm =
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a8ZaeIdCMUdCaea8SaeIdKMUdKaeaIaeId3MUd3aea8VaeIdaMUdaaea8PaeId8KMUd8KaeaRaeIdyMUdyaHcxfhHaAcifgAad6mbkcbhiabhKinabaicdtfhYcbhHinaXaYaHc:G1jjbfydbcdtfydbgOfRbbhedndnaXaKaHfydbgCfRbbgAc99fcFeGcpe0mbaeceSmbaecd9hmekdnaAcufcFeGce0mbahaCcdtfydbaO9hmekdnaecufcFeGce0mbagaOcdtfydbaC9hmekdnaAcv2aefcj1jjbfRbbTmbaQaOcdtfydbaQaCcdtfydb0mekJbbacJbbacJbbjZaeceSEaAceSEh8ZdnaaaYaHc:K1jjbfydbcdtfydbcx2fgeIdwaaaCcx2fgAIdwg8R:tg8VaaaOcx2fgLIdwa8R:tg8Sa8SNaLIdbaAIdbg8W:tgIaINaLIdlaAIdlg8U:tgRaRNMMg8PNa8Va8SNaeIdba8W:tg80aINaRaeIdla8U:tg8YNMMg8Xa8SN:tg8Va8VNa80a8PNa8XaIN:tg8Sa8SNa8Ya8PNa8XaRN:tgIaINMM:rgRJbbbb9ETmba8VaR:vh8VaIaR:vhIa8SaR:vh8SkaqaQaCcdtfydbc8S2fgea8Sa8Za8P:rNgRa8SNNg8XaeIdbMUdbaeaIaRaINg8ZNg80aeIdlMUdlaea8VaRa8VNg8PNg8YaeIdwMUdwaea8Za8SNg8ZaeIdxMUdxaea8Pa8SNg81aeIdzMUdzaea8PaINgBaeIdCMUdCaea8SaRa8Va8RNa8Sa8WNa8UaINMM:mg8RNg8PNg8SaeIdKMUdKaeaIa8PNgIaeId3MUd3aea8Va8PNg8VaeIdaMUdaaea8Pa8RNg8PaeId8KMUd8KaeaRaeIdyMUdyaqaQaOcdtfydbc8S2fgea8XaeIdbMUdbaea80aeIdlMUdlaea8YaeIdwMUdwaea8ZaeIdxMUdxaea81aeIdzMUdzaeaBaeIdCMUdCaea8SaeIdKMUdKaeaIaeId3MUd3aea8VaeIdaMUdaaea8PaeId8KMUd8KaeaRaeIdyMUdykaHclfgHcx9hmbkaKcxfhKaicifgiad6mbkdna8JTmbcbhKinJbbbbh8WaaabaKcdtfgeclfydbgLcx2fgHIdwaaaeydbgicx2fgOIdwg8Y:tgIaINaHIdbaOIdbg81:tg8Va8VNaHIdlaOIdlgB:tgRaRNMMg8Zaaaecwfydbg8Fcx2fgeIdwa8Y:tg8PNaIaIa8PNa8VaeIdba81:tg8RNaRaeIdlaB:tg8UNMMg8SN:tJbbbbJbbjZa8Za8Pa8PNa8Ra8RNa8Ua8UNMMg80Na8Sa8SN:tg8X:va8XJbbbb9BEg8XNh83a80aINa8Pa8SN:ta8XNhUa8Za8UNaRa8SN:ta8XNh85a80aRNa8Ua8SN:ta8XNh86a8Za8RNa8Va8SN:ta8XNh87a80a8VNa8Ra8SN:ta8XNh88a8Va8UNa8RaRN:tg8Sa8SNaRa8PNa8UaIN:tg8Sa8SNaIa8RNa8Pa8VN:tg8Sa8SNMM:rJbbbZNh8Sayaia8J2g3cdtfhHaya8Fa8J2gwcdtfhOayaLa8J2g8LcdtfhCa8Y:mh89aB:mh8:a81:mhZcbhAa8JhYJbbbbh8UJbbbbh8XJbbbbh8ZJbbbbh80Jbbbbh8YJbbbbh81JbbbbhBJbbbbhnJbbbbhcinasc;WbfaAfgecwfa8SaUaCIdbaHIdbg8P:tgRNa83aOIdba8P:tg8RNMgINUdbaeclfa8Sa86aRNa85a8RNMg8VNUdbaea8Sa88aRNa87a8RNMgRNUdbaecxfa8Sa89aINa8: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;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkara8LcltfhYcbhHa8JhCinaYaHfgeasc;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkarawcltfhYcbhHa8JhCinaYaHfgeasc;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkaKcifgKad6mbkkcbhOxekcehOcbhrkcbh8FdndnamcwGg9cmbJbbbbh8ZcbhJcbhocbhCxekcbhea5cbyd;S1jjbHjjjjbbhCascxfasyd2gHcdtfaCBdbasaHcefBd2dnalTmbaChHinaHaeBdbaHclfhHalaecefge9hmbkkdnaOmbcbhiinabaicdtfhLcbhKinaQaLaKcdtgec: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;S1jjbHjjjjbbhoascxfasyd2gHcdtfaoBdbasaHcefBd2aocbaez:ljjjbhAdnalTmbaChOaahealhYinaecwfIdbh8SaeclfIdbhIaAaOydbcltfgHaeIdbaHIdbMUdbaHclfgKaIaKIdbMUdbaHcwfgKa8SaKIdbMUdbaHcxfgHaHIdbJbbjZMUdbaOclfhOaecxfheaYcufgYmbkkdnaJTmbaAheaJhHinaecxfgOIdbh8SaOcbBdbaeaeIdbJbbbbJbbjZa8S:va8SJbbbb9BEg8SNUdbaeclfgOa8SaOIdbNUdbaecwfgOa8SaOIdbNUdbaeczfheaHcufgHmbkkdnalTmbaChOaahealhYinaAaOydbcltfgHcxfgKaecwfIdbaHcwfIdb:tg8Sa8SNaeIdbaHIdb:tg8Sa8SNaeclfIdbaHclfIdb:tg8Sa8SNMMg8SaKIdbgIaIa8S9DEUdbaOclfhOaecxfheaYcufgYmbkkdnaJmbcbhJJFFuuh8ZxekaAcxfheaAhHaJhOinaHaeIdbUdbaeczfheaHclfhHaOcufgOmbkJFFuuh8ZaAheaJhHinaeIdbg8Sa8Za8Za8S9EEh8ZaeclfheaHcufgHmbkkasydlh9ednalTmba9eclfhea9eydbhAaXhHalhYcbhOincbaeydbgKaA9RaHRbbcpeGEaOfhOaHcefhHaeclfheaKhAaYcufgYmbkaOce4h8Fkcuada8F9RcifgTcx2aTc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhDascxfasyd2gecdtfaDBdbasaecefBd2cuaTcdtaTcFFFFi0Ecbyd;S1jjbHjjjjbbhSascxfasyd2gecdtfaSBdbasaecefBd2a5cbyd;S1jjbHjjjjbbh8Mascxfasyd2gecdtfa8MBdbasaecefBd2alcbyd;S1jjbHjjjjbbh9hascxfasyd2gecdtfa9hBdbasaecefBd2axaxNa8NJbbjZamclGEg83a83N:vhcJbbbbhndnadak9nmbdnaTci6mba8Jclth9iaDcwfh6JbbbbhBJbbbbhninasclfabadalaQz:cjjjbabh8FcbhEcbh5inaba5cdtfh3cbheindnaQa8FaefydbgOcdtgifydbgYaQa3aec:W1jjbfydbcdtfydbgHcdtgwfydbgKSmbaXaHfRbbgLcv2aXaOfRbbgAfc;a1jjbfRbbg8AaAcv2aLfg8Lc;a1jjbfRbbg8KVcFeGTmbdnaKaY9nmba8Lcj1jjbfRbbcFeGmekaAcufhYdnaAaL9hmbaYcFeGce0mbahaifydbaH9hmekdndnaAclSmbaLcl9hmekdnaYcFeGce0mbahaifydbaH9hmdkaLcufcFeGce0mbagawfydbaO9hmekaDaEcx2fgAaHaOa8KcFeGgYEBdlaAaOaHaYEBdbaAaYa8AGcb9hBdwaEcefhEkaeclfgecx9hmbkdna5cifg5ad9pmba8Fcxfh8FaEcifaT9nmekkaETmdcbhiinJbbbbJbbjZaqaQaDaicx2fgAydlgKaAydbgYaAydwgHEgLcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaYaKaHEg8Fcx2fgHIdwgRNaeIdzaHIdbg8PNaeIdaMg8Sa8SMMaRNaeIdlaHIdlg8RNaeIdCaRNaeId3Mg8Sa8SMMa8RNaeIdba8PNaeIdxa8RNaeIdKMg8Sa8SMMa8PNaeId8KMMM:lNh80JbbbbJbbjZaqaQaYcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaKcx2fgHIdwg8VNaeIdzaHIdbg8WNaeIdaMg8Sa8SMMa8VNaeIdlaHIdlg8UNaeIdCa8VNaeId3Mg8Sa8SMMa8UNaeIdba8WNaeIdxa8UNaeIdKMg8Sa8SMMa8WNaeId8KMMM:lNh8YaAcwfh3aAclfhwdna8JTmbavaYc8S2fgOIdwa8VNaOIdza8WNaOIdaMg8Sa8SMMa8VNaOIdla8UNaOIdCa8VNaOId3Mg8Sa8SMMa8UNaOIdba8WNaOIdxa8UNaOIdKMg8Sa8SMMa8WNaOId8KMMMh8SayaKa8J2cdtfhHaraYa8J2cltfheaOIdyh8Xa8JhOinaHIdbgIaIa8XNaecxfIdba8VaecwfIdbNa8WaeIdbNa8UaeclfIdbNMMMgIaIM:tNa8SMh8SaHclfhHaeczfheaOcufgOmbkavaLc8S2fgOIdwaRNaOIdza8PNaOIdaMgIaIMMaRNaOIdla8RNaOIdCaRNaOId3MgIaIMMa8RNaOIdba8PNaOIdxa8RNaOIdKMgIaIMMa8PNaOId8KMMMhIaya8Fa8J2cdtfhHaraLa8J2cltfheaOIdyh8Wa8JhOinaHIdbg8Va8Va8WNaecxfIdbaRaecwfIdbNa8PaeIdbNa8RaeclfIdbNMMMg8Va8VM:tNaIMhIaHclfhHaeczfheaOcufgOmbka80aI:lMh80a8Ya8S:lMh8YkawaKa8Fa8Ya809FgeEBdbaAaYaLaeEBdba3a8Ya80aeEUdbaicefgiaE9hmbkasc;Wbfcbcj;qbz:ljjjb8Aa6heaEhHinasc;WbfaeydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbcefBdbaecxfheaHcufgHmbkcbhecbhHinasc;WbfaefgOydbhAaOaHBdbaAaHfhHaeclfgecj;qb9hmbkcbhea6hHinasc;WbfaHydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbgOcefBdbaSaOcdtfaeBdbaHcxfhHaEaecefge9hmbkadak9RgOci9Uh9kdnalTmbcbhea8MhHinaHaeBdbaHclfhHalaecefge9hmbkkcbh0a9hcbalz:ljjjbh9maOcO9Uh9na9kce4h9oasydwh9pcbh8KcbhwdninaDaSawcdtfydbcx2fg3Idwg8Sac9Emea8Ka9k9pmeJFFuuhIdna9oaE9pmbaDaSa9ocdtfydbcx2fIdwJbb;aZNhIkdna8SaI9ETmba8San9ETmba8Ka9n0mdkdna9maQa3ydlgicdtg9qfydbgAfg9rRbba9maQa3ydbgLcdtg9sfydbgHfg9tRbbVmbaXaLfRbbh9udna9eaHcdtfgeclfydbgOaeydbgeSmbaOae9RhKa9paecitfheaaaAcx2fg8Lcwfh5a8Lclfh9vaaaHcx2fg8Acwfh9wa8Aclfh9xcbhHceh8Fdnindna8MaeydbcdtfydbgOaASmba8MaeclfydbcdtfydbgYaASmbaOaYSmbaaaYcx2fgYIdbaaaOcx2fgOIdbg8V:tg8Sa9xIdbaOIdlgR:tg8WNa8AIdba8V:tg8UaYIdlaR:tgIN:tg8Pa8Sa9vIdbaR:tg8XNa8LIdba8V:tg80aIN:tgRNaIa9wIdbaOIdwg8R:tg8YNa8WaYIdwa8R:tg8VN:tg8WaIa5Idba8R:tg81Na8Xa8VN:tgINa8Va8UNa8Ya8SN:tg8Ra8Va80Na81a8SN:tg8SNMMa8Pa8PNa8Wa8WNa8Ra8RNMMaRaRNaIaINa8Sa8SNMMN:rJbbj8:N9FmdkaecwfheaHcefgHaK6h8FaKaH9hmbkka8FceGTmba9ocefh9oxeka3cwfhHdndndndna9uc9:fPdebdkaLheina8MaecdtgefaiBdba8EaefydbgeaL9hmbxikkdnagahaha9sfydbaiSEa8Ea9sfydbgLcdtfydbgecu9hmba8Ea9qfydbheka8Ma9sfaiBdbaehika8MaLcdtfaiBdbka9tce86bba9rce86bbaHIdbg8Sanana8S9DEhna0cefh0cecda9uceSEa8Kfh8KkawcefgwaE9hmbkka0TmddnalTmbcbhKcbhiindna8MaicdtgefydbgOaiSmbaQaOcdtfydbh8FdnaiaQaefydb9hg3mbaqa8Fc8S2fgeaqaic8S2fgHIdbaeIdbMUdbaeaHIdlaeIdlMUdlaeaHIdwaeIdwMUdwaeaHIdxaeIdxMUdxaeaHIdzaeIdzMUdzaeaHIdCaeIdCMUdCaeaHIdKaeIdKMUdKaeaHId3aeId3MUd3aeaHIdaaeIdaMUdaaeaHId8KaeId8KMUd8KaeaHIdyaeIdyMUdyka8JTmbavaOc8S2fgeavaic8S2gwfgHIdbaeIdbMUdbaeaHIdlaeIdlMUdlaeaHIdwaeIdwMUdwaeaHIdxaeIdxMUdxaeaHIdzaeIdzMUdzaeaHIdCaeIdCMUdCaeaHIdKaeIdKMUdKaeaHId3aeId3MUd3aeaHIdaaeIdaMUdaaeaHId8KaeId8KMUd8KaeaHIdyaeIdyMUdya9iaO2hLarhHa8JhAinaHaLfgeaHaKfgOIdbaeIdbMUdbaeclfgYaOclfIdbaYIdbMUdbaecwfgYaOcwfIdbaYIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaAcufgAmbka3mbJbbbbJbbjZaqawfgeIdyg8S:va8SJbbbb9BEaeIdwaaa8Fcx2fgHIdwg8SNaeIdzaHIdbgINaeIdaMg8Va8VMMa8SNaeIdlaHIdlg8VNaeIdCa8SNaeId3Mg8Sa8SMMa8VNaeIdbaINaeIdxa8VNaeIdKMg8Sa8SMMaINaeId8KMMM: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:cjjjbkdndnadak0mbadhOxekdna9cmbadhOxekdna8Zac9FmbadhOxekina8ZJbb;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:rNUdbkasyd2gecdtascxffc98fhHdninaeTmeaHydbcbyd;O1jjbH:bjjjbbaHc98fhHaecufhexbkkasc;W;qbf8KjjjjbaOk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Podvuv998Jjjjjbca9RgvcFFF;7rBd3av9cFFF;7;3FF:;Fb83dCavcFFF97Bdzav9cFFF;7FFF:;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:tgqaqJbbbb9DEgqavIdxavIdKgx:tgmamaq9DEgqavIdzavId3gm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk:nCoDud99rue99lul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd;S1jjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhPawcuaicdtgsaicFFFFi0Ecbyd;S1jjbHjjjjbbgzBdCawciBd2dndnar:ZgH:rJbbbZMgO:lJbbb9p9DTmbaO:Ohexekcjjjj94hekaicufhAc:bwhmcbhCadhXcbhQinaChLaeamgKcufaeaK9iEaPgDcefaeaD9kEhYdndnadTmbaYcuf:YhOaqhiaxheadhmindndnaiIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcCthCdndnaiclfIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhExekcjjjj94hEkaEcqtaCVhCdndnaicwfIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhExekcjjjj94hEkaeaCaEVBdbaicxfhiaeclfheamcufgmmbkazcFeasz:ljjjbh3cbh5cbh8Eindna3axa8EcdtfydbgCcm4aC7c:v;t;h;Ev2gics4ai7aAGgmcdtfgEydbgecuSmbaeaCSmbcehiina3amaifaAGgmcdtfgEydbgecuSmeaicefhiaeaC9hmbkkaEaCBdba5aecuSfh5a8Ecefg8Ead9hmbxdkkazcFeasz:ljjjb8Acbh5kaDaYa5ar0giEhPaLa5aiEhCdna5arSmbaYaKaiEgmaP9Rcd9imbdndnaQcl0mbdnaX:ZgOaL:Zg8A:taY:Yg8FaD:Y:tgaa8FaK:Y:tgha5:ZggaH:tNNNaOaH:tahNa8Aag:tNa8AaH:taaNagaO:tNM:va8FMJbbbZMgO:lJbbb9p9DTmbaO:Ohexdkcjjjj94hexekaPamfcd9Theka5aXaiEhXaQcefgQcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd;S1jjbHjjjjbbg8EBdKawclBd2aPcuf:Yh8AdndnadTmbaqhiaxheadhmindndnaiIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhCxekcjjjj94hCkaCcCthCdndnaiclfIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhExekcjjjj94hEkaEcqtaCVhCdndnaicwfIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhExekcjjjj94hEkaeaCaEVBdbaicxfhiaeclfheamcufgmmbkazcFeasz:ljjjbh3cbhDcbh5inaxa5cdtgYfydbgCcm4aC7c:v;t;h;Ev2gics4ai7hecbhidndnina3aeaAGgmcdtfgEydbgecuSmednaxaecdtgEfydbaCSmbaicefgiamfheaiaA9nmekka8EaEfydbhixekaEa5BdbaDhiaDcefhDka8EaYfaiBdba5cefg5ad9hmbkcuaDc32giaDc;j:KM;jb0EhexekazcFeasz:ljjjb8AcbhDcbhekawaecbyd;S1jjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhEavcd4hxdnadTmbdnalTmbaxcdth3a8EhCalheaqhmadhAinaEaCydbc32fgiamIdbaiIdbMUdbaiamclfIdbaiIdlMUdlaiamcwfIdbaiIdwMUdwaiaeIdbaiIdxMUdxaiaeclfIdbaiIdzMUdzaiaecwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaCclfhCaea3fheamcxfhmaAcufgAmbxdkka8EhmaqheadhCinaEamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaCcufgCmbkkdnaDTmbaEhiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgO:vaOJbbbb9BEgONUdbaiclfgmaOamIdbNUdbaicwfgmaOamIdbNUdbaicxfgmaOamIdbNUdbaiczfgmaOamIdbNUdbaicCfgmaOamIdbNUdbaic3fhiaecufgembkkcbhCawcuaDcdtgYaDcFFFFi0Egicbyd;S1jjbHjjjjbbgeBdaawcoBd2awaicbyd;S1jjbHjjjjbbg3Bd8KaecFeaYz:ljjjbh5dnadTmbJbbjZJbbjZa8A:vaPceSEaoNgOaONh8Aaxcdthxalheina8Aaec;C1jjbalEgmIdwaEa8EydbgAc32fgiIdC:tgOaONamIdbaiIdx:tgOaONamIdlaiIdz:tgOaONMMNaqcwfIdbaiIdw:tgOaONaqIdbaiIdb:tgOaONaqclfIdbaiIdl:tgOaONMMMhOdndna5aAcdtgifgmydbcuSmba3aifIdbaO9ETmekamaCBdba3aifaOUdbka8Eclfh8EaeaxfheaqcxfhqadaCcefgC9hmbkkaba5aYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd;O1jjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Odieui99iu8Jjjjjbca9RgicFFF;7rBd3ai9cFFF;7;3FF:;Fb83dCaicFFF97Bdzai9cFFF;7FFF:;u83dwdndnaembJbbjFhlJbbjFhvJbbjFhoxekadcd4cdthrcbhwincbhdinaicCfadfgDabadfIdbglaDIdbgvaval9EEUdbaicwfadfgDalaDIdbgvaval9DEUdbadclfgdcx9hmbkabarfhbawcefgwae9hmbkaiIdzaiId3:thoaiIdxaiIdK:thvaiIdwaiIdC:thlkJbbbbalalJbbbb9DEglavaval9DEglaoaoal9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcifc98GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd;W1jjbgeabcrfc94GfgbBd;W1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd;W1jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;W1jjbfgdBd;W1jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:bedbcjwk9Oeeebeebebbeeebebbbbbebebbbbbbbbbebbbdbbbbbbbebbbebbbdbbbbbbbbbbbeeeeebebbebbebebbbeebbbbbbbbbbbbbbbbbbbbbc;OwkxebbbdbbbjNbb'; // embed! wasm
 
diff --git a/js/package.json b/js/package.json
index 67572c5c59..99cc2f4de6 100644
--- a/js/package.json
+++ b/js/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "meshoptimizer",
-	"version": "0.21.0",
+	"version": "0.22.0",
 	"description": "Mesh optimizaiton library that makes meshes smaller and faster to render",
 	"author": "Arseny Kapoulkine",
 	"license": "MIT",
@@ -15,7 +15,8 @@
 		"url": "https://github.com/zeux/meshoptimizer"
 	},
 	"files": [
-		"*.js", "*.ts"
+		"*.js",
+		"*.ts"
 	],
 	"main": "index.js",
 	"module": "index.module.js",
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 535be42a3f..77be5371fc 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -1,5 +1,5 @@
 /**
- * meshoptimizer - version 0.21
+ * meshoptimizer - version 0.22
  *
  * Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
  * Report bugs and download new versions at https://github.com/zeux/meshoptimizer
@@ -12,7 +12,7 @@
 #include <stddef.h>
 
 /* Version macro; major * 1000 + minor * 10 + patch */
-#define MESHOPTIMIZER_VERSION 210 /* 0.21 */
+#define MESHOPTIMIZER_VERSION 220 /* 0.22 */
 
 /* If no API is defined, assume default */
 #ifndef MESHOPTIMIZER_API

From e22776ccd499c34566daf662f26f3af381f5b94f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 23 Oct 2024 22:31:38 -0700
Subject: [PATCH 400/581] js: Fix vertex_lock support for
 simplifyWithAttributes

This code never worked if an actual array was passed in as it required
an element per float instead of an element per vertex.

Since we need to change this anyway, change the interface to accept
Uint8Array instead of a boolean array. This is more consistent with
other parameters and allows an upgrade path if the C interface changes
from "lock flags" to just "flags".
---
 js/meshopt_simplifier.js          |  3 ++-
 js/meshopt_simplifier.module.d.ts |  2 +-
 js/meshopt_simplifier.module.js   |  3 ++-
 js/meshopt_simplifier.test.js     | 17 +++++++++++++++++
 4 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 16a710fb88..7f5838ccca 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -278,7 +278,8 @@ var MeshoptSimplifier = (function () {
 			assert(vertex_attributes instanceof Float32Array);
 			assert(vertex_attributes.length % vertex_attributes_stride == 0);
 			assert(vertex_attributes_stride >= 0);
-			assert(vertex_lock == null || vertex_lock.length == vertex_positions.length);
+			assert(vertex_lock == null || vertex_lock instanceof Uint8Array);
+			assert(vertex_lock == null || vertex_lock.length == vertex_positions.length / vertex_positions_stride);
 			assert(target_index_count >= 0 && target_index_count <= indices.length);
 			assert(target_index_count % 3 == 0);
 			assert(target_error >= 0);
diff --git a/js/meshopt_simplifier.module.d.ts b/js/meshopt_simplifier.module.d.ts
index c8b7763e41..06686f73ad 100644
--- a/js/meshopt_simplifier.module.d.ts
+++ b/js/meshopt_simplifier.module.d.ts
@@ -27,7 +27,7 @@ export const MeshoptSimplifier: {
 		vertex_attributes: Float32Array,
 		vertex_attributes_stride: number,
 		attribute_weights: number[],
-		vertex_lock: boolean[] | null,
+		vertex_lock: Uint8Array | null,
 		target_index_count: number,
 		target_error: number,
 		flags?: Flags[]
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index 7f183f92b7..8c3a79d3e2 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -277,7 +277,8 @@ var MeshoptSimplifier = (function () {
 			assert(vertex_attributes instanceof Float32Array);
 			assert(vertex_attributes.length % vertex_attributes_stride == 0);
 			assert(vertex_attributes_stride >= 0);
-			assert(vertex_lock == null || vertex_lock.length == vertex_positions.length);
+			assert(vertex_lock == null || vertex_lock instanceof Uint8Array);
+			assert(vertex_lock == null || vertex_lock.length == vertex_positions.length / vertex_positions_stride);
 			assert(target_index_count >= 0 && target_index_count <= indices.length);
 			assert(target_index_count % 3 == 0);
 			assert(target_error >= 0);
diff --git a/js/meshopt_simplifier.test.js b/js/meshopt_simplifier.test.js
index a2a7e0bc5a..822b4e6045 100644
--- a/js/meshopt_simplifier.test.js
+++ b/js/meshopt_simplifier.test.js
@@ -114,6 +114,23 @@ var tests = {
 		assert.deepEqual(res[0], expected);
 	},
 
+	simplifyLockFlags: function () {
+		// 0
+		// 1 2
+		// 3 4 5
+		var indices = new Uint32Array([0, 2, 1, 1, 2, 3, 3, 2, 4, 2, 5, 4]);
+
+		var positions = new Float32Array([0, 2, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0]);
+		var locks = new Uint8Array([1, 1, 1, 1, 0, 1]); // only vertex 4 can move
+
+		var res = simplifier.simplifyWithAttributes(indices, positions, 3, new Float32Array(), 1, [], locks, 3, 0.01);
+
+		var expected = new Uint32Array([0, 2, 1, 1, 2, 3, 2, 5, 3]);
+
+		assert.deepEqual(res[0], expected);
+		assert.equal(res[1], 0); // error
+	},
+
 	getScale: function () {
 		var positions = new Float32Array([0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 3]);
 

From f29c5e87e30bffee20d181ef618be84960006049 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 24 Oct 2024 16:32:45 -0700
Subject: [PATCH 401/581] Update README.md

Fix duplicate documentation for generateShadowIndexBuffer after a failed
rewording attempt.
---
 README.md | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/README.md b/README.md
index bf17d537c1..07a6791fdb 100644
--- a/README.md
+++ b/README.md
@@ -130,11 +130,8 @@ Since quantized vertex attributes often need to remain in their compact represen
 ## Shadow indexing
 
 Many rendering pipelines require meshes to be rendered to depth-only targets, such as shadow maps or during a depth pre-pass, in addition to color/G-buffer targets. While using the same geometry data for both cases is possible, reducing the number of unique vertices for depth-only rendering can be beneficial, especially when the source geometry has many attribute seams due to faceted shading or lightmap texture seams.
-To achieve this, this library provides the `meshopt_generateShadowIndexBuffer` algorithm, which generates a second (shadow) index buffer that can be used with the original vertex data:
-
 
-
-This is possible to achieve using `meshopt_generateShadowIndexBuffer` algorithm, which will generate a second (shadow) index buffer that can be used with the original vertex data. Because the vertex data is shared, this should be done after other optimizations of the vertex/index data, but it is possible (and recommended) to optimize the resulting index buffer for vertex cache at the end:
+To achieve this, this library provides the `meshopt_generateShadowIndexBuffer` algorithm, which generates a second (shadow) index buffer that can be used with the original vertex data:
 
 ```c++
 std::vector<unsigned int> shadow_indices(index_count);

From 6abbde534e73f69d8f20e6ed0c8a164f2ad9cf0b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 28 Oct 2024 08:00:38 -0700
Subject: [PATCH 402/581] demo: Switch to cone_weight=0.25 for exposition
 purposes

0.5 generally seems too high to be fully useful in a production pipeline
with occlusion culling et al. Our example in README says 0 (and to use
value between 0 and 1 if cone culling needs to be prioritized) but
sometimes people copy the demo code; 0.25 is a little more conservative
and better balanced.
---
 demo/main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 6a0aad2f74..10e5f70cf6 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -942,7 +942,7 @@ void meshlets(const Mesh& mesh, bool scan = false, bool uniform = false)
 	const size_t max_triangles = uniform ? 64 : 124;
 
 	// note: should be set to 0 unless cone culling is used at runtime!
-	const float cone_weight = 0.5f;
+	const float cone_weight = 0.25f;
 
 	// note: input mesh is assumed to be optimized for vertex cache and vertex fetch
 	double start = timestamp();

From 210a9e39307125543d9e29c1dcdc9e7bc592dfa8 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 28 Oct 2024 14:22:47 -0700
Subject: [PATCH 403/581] gltfpack: Allow per-texture-class control for texture
 scaling

While we expose an ability to specify texture compression settings for
each texture class separately, there's a significant quality and size
gap between ETC1S and UASTC that doesn't have any middle-ground options.

In some cases, downscaling an UASTC texture looks much better than a
full-resolution ETC1S; however, when ETC1S provides sufficient quality,
this can in turn reduce the quality visibly.

This change makes it possible to adjust the tradeoff with more
granularity by specifying texture scaling per-class; for example,

	gltfpack -tu -tc color -ts attrib 0.75

... will use ETC1S for color textures at full resolution, UASTC for
other textures (normal maps and attribute textures), but will further
downscale attribute textures (roughness, etc.) to 0.75 x 0.75 of the
original resolution (which is around 2x smaller).
---
 gltf/basisenc.cpp |  2 +-
 gltf/gltfpack.cpp | 22 +++++++++++++++++++---
 gltf/gltfpack.h   |  4 ++--
 gltf/image.cpp    | 14 +++++++-------
 4 files changed, 29 insertions(+), 13 deletions(-)

diff --git a/gltf/basisenc.cpp b/gltf/basisenc.cpp
index c29e3a0360..ff79411007 100644
--- a/gltf/basisenc.cpp
+++ b/gltf/basisenc.cpp
@@ -114,7 +114,7 @@ static const char* prepareEncode(basisu::basis_compressor_params& params, const
 	if (!getDimensions(img_data, mime_type.c_str(), width, height))
 		return "error parsing image header";
 
-	adjustDimensions(width, height, settings);
+	adjustDimensions(width, height, settings.texture_scale[info.kind], settings.texture_limit, settings.texture_pow2);
 
 	temp_input = temp_prefix + mimeExtension(mime_type.c_str());
 	temp_output = temp_prefix + ".ktx2";
diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index d45a42b7eb..04d2ef5ac2 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -1201,9 +1201,13 @@ Settings defaults()
 	settings.mesh_dedup = true;
 	settings.simplify_ratio = 1.f;
 	settings.simplify_error = 1e-2f;
-	settings.texture_scale = 1.f;
+
 	for (int kind = 0; kind < TextureKind__Count; ++kind)
+	{
+		settings.texture_mode[kind] = TextureMode_Raw;
+		settings.texture_scale[kind] = 1.f;
 		settings.texture_quality[kind] = 8;
+	}
 
 	return settings;
 }
@@ -1420,7 +1424,18 @@ int main(int argc, char** argv)
 		}
 		else if (strcmp(arg, "-ts") == 0 && i + 1 < argc && isdigit(argv[i + 1][0]))
 		{
-			settings.texture_scale = clamp(float(atof(argv[++i])), 0.f, 1.f);
+			float scale = clamp(float(atof(argv[++i])), 0.f, 1.f);
+			for (int kind = 0; kind < TextureKind__Count; ++kind)
+				settings.texture_scale[kind] = scale;
+		}
+		else if (strcmp(arg, "-ts") == 0 && i + 2 < argc && isalpha(argv[i + 1][0]) && isdigit(argv[i + 2][0]))
+		{
+			unsigned int mask = textureMask(argv[++i]);
+			float scale = clamp(float(atof(argv[++i])), 0.f, 1.f);
+
+			for (int kind = 0; kind < TextureKind__Count; ++kind)
+				if (mask & (1 << kind))
+					settings.texture_scale[kind] = scale;
 		}
 		else if (strcmp(arg, "-tl") == 0 && i + 1 < argc && isdigit(argv[i + 1][0]))
 		{
@@ -1550,6 +1565,7 @@ int main(int argc, char** argv)
 			fprintf(stderr, "\t-tc C: use ETC1S when encoding textures of class C\n");
 			fprintf(stderr, "\t-tu C: use UASTC when encoding textures of class C\n");
 			fprintf(stderr, "\t-tq C N: set texture encoding quality for class C\n");
+			fprintf(stderr, "\t-ts C R: scale texture dimensions for class C\n");
 			fprintf(stderr, "\t... where C is a comma-separated list (no spaces) with valid values color,normal,attrib\n");
 			fprintf(stderr, "\nSimplification:\n");
 			fprintf(stderr, "\t-si R: simplify meshes targeting triangle/point count ratio R (default: 1; R should be between 0 and 1)\n");
@@ -1615,7 +1631,7 @@ int main(int argc, char** argv)
 		return 1;
 	}
 
-	if (settings.texture_scale < 1 && !settings.texture_ktx2)
+	if (settings.texture_scale[TextureKind_Generic] < 1 && !settings.texture_ktx2)
 	{
 		fprintf(stderr, "Option -ts is only supported when -tc is set as well\n");
 		return 1;
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index dd30abe523..e784fcb27a 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -153,7 +153,7 @@ struct Settings
 
 	bool texture_pow2;
 	bool texture_flipy;
-	float texture_scale;
+	float texture_scale[TextureKind__Count];
 	int texture_limit;
 
 	TextureMode texture_mode[TextureKind__Count];
@@ -338,7 +338,7 @@ void optimizeMaterials(cgltf_data* data, const char* input_path, std::vector<Ima
 bool readImage(const cgltf_image& image, const char* input_path, std::string& data, std::string& mime_type);
 bool hasAlpha(const std::string& data, const char* mime_type);
 bool getDimensions(const std::string& data, const char* mime_type, int& width, int& height);
-void adjustDimensions(int& width, int& height, const Settings& settings);
+void adjustDimensions(int& width, int& height, float scale, int limit, bool pow2);
 const char* mimeExtension(const char* mime_type);
 
 #ifdef WITH_BASISU
diff --git a/gltf/image.cpp b/gltf/image.cpp
index 972b4c441b..e49d3308d0 100644
--- a/gltf/image.cpp
+++ b/gltf/image.cpp
@@ -344,21 +344,21 @@ static int roundBlock(int value, bool pow2)
 	return (value + 3) & ~3;
 }
 
-void adjustDimensions(int& width, int& height, const Settings& settings)
+void adjustDimensions(int& width, int& height, float scale, int limit, bool pow2)
 {
-	width = int(width * settings.texture_scale);
-	height = int(height * settings.texture_scale);
+	width = int(width * scale);
+	height = int(height * scale);
 
-	if (settings.texture_limit && (width > settings.texture_limit || height > settings.texture_limit))
+	if (limit && (width > limit || height > limit))
 	{
-		float limit_scale = float(settings.texture_limit) / float(width > height ? width : height);
+		float limit_scale = float(limit) / float(width > height ? width : height);
 
 		width = int(width * limit_scale);
 		height = int(height * limit_scale);
 	}
 
-	width = roundBlock(width, settings.texture_pow2);
-	height = roundBlock(height, settings.texture_pow2);
+	width = roundBlock(width, pow2);
+	height = roundBlock(height, pow2);
 }
 
 const char* mimeExtension(const char* mime_type)

From a2688451f8267a7f635975377f7751e2ceb98c6f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 29 Oct 2024 08:00:18 -0700
Subject: [PATCH 404/581] gltfpack: Refactor texture option validation

Instead of repetitively checking every texture processing option that
requires texture compression, set require_ktx2 and check that once. This
results in a slightly less detailed error message but is easier to
maintain, especially as some options migrate to class-specific ones.
---
 gltf/gltfpack.cpp | 37 +++++++++++++++++--------------------
 1 file changed, 17 insertions(+), 20 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 04d2ef5ac2..b537a470d2 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -1259,6 +1259,7 @@ int main(int argc, char** argv)
 	const char* report = NULL;
 	bool help = false;
 	bool test = false;
+	bool require_ktx2 = false;
 
 	std::vector<const char*> testinputs;
 
@@ -1409,12 +1410,16 @@ int main(int argc, char** argv)
 		}
 		else if (strcmp(arg, "-tq") == 0 && i + 1 < argc && isdigit(argv[i + 1][0]))
 		{
+			require_ktx2 = true;
+
 			int quality = clamp(atoi(argv[++i]), 1, 10);
 			for (int kind = 0; kind < TextureKind__Count; ++kind)
 				settings.texture_quality[kind] = quality;
 		}
 		else if (strcmp(arg, "-tq") == 0 && i + 2 < argc && isalpha(argv[i + 1][0]) && isdigit(argv[i + 2][0]))
 		{
+			require_ktx2 = true;
+
 			unsigned int mask = textureMask(argv[++i]);
 			int quality = clamp(atoi(argv[++i]), 1, 10);
 
@@ -1424,12 +1429,16 @@ int main(int argc, char** argv)
 		}
 		else if (strcmp(arg, "-ts") == 0 && i + 1 < argc && isdigit(argv[i + 1][0]))
 		{
+			require_ktx2 = true;
+
 			float scale = clamp(float(atof(argv[++i])), 0.f, 1.f);
 			for (int kind = 0; kind < TextureKind__Count; ++kind)
 				settings.texture_scale[kind] = scale;
 		}
 		else if (strcmp(arg, "-ts") == 0 && i + 2 < argc && isalpha(argv[i + 1][0]) && isdigit(argv[i + 2][0]))
 		{
+			require_ktx2 = true;
+
 			unsigned int mask = textureMask(argv[++i]);
 			float scale = clamp(float(atof(argv[++i])), 0.f, 1.f);
 
@@ -1439,14 +1448,20 @@ int main(int argc, char** argv)
 		}
 		else if (strcmp(arg, "-tl") == 0 && i + 1 < argc && isdigit(argv[i + 1][0]))
 		{
+			require_ktx2 = true;
+
 			settings.texture_limit = atoi(argv[++i]);
 		}
 		else if (strcmp(arg, "-tp") == 0)
 		{
+			require_ktx2 = true;
+
 			settings.texture_pow2 = true;
 		}
 		else if (strcmp(arg, "-tfy") == 0)
 		{
+			require_ktx2 = true;
+
 			settings.texture_flipy = true;
 		}
 		else if (strcmp(arg, "-tr") == 0)
@@ -1619,33 +1634,15 @@ int main(int argc, char** argv)
 		return 1;
 	}
 
-	if (settings.texture_limit && !settings.texture_ktx2)
-	{
-		fprintf(stderr, "Option -tl is only supported when -tc is set as well\n");
-		return 1;
-	}
-
 	if (settings.texture_pow2 && (settings.texture_limit & (settings.texture_limit - 1)) != 0)
 	{
 		fprintf(stderr, "Option -tp requires the limit specified via -tl to be a power of 2\n");
 		return 1;
 	}
 
-	if (settings.texture_scale[TextureKind_Generic] < 1 && !settings.texture_ktx2)
-	{
-		fprintf(stderr, "Option -ts is only supported when -tc is set as well\n");
-		return 1;
-	}
-
-	if (settings.texture_pow2 && !settings.texture_ktx2)
-	{
-		fprintf(stderr, "Option -tp is only supported when -tc is set as well\n");
-		return 1;
-	}
-
-	if (settings.texture_flipy && !settings.texture_ktx2)
+	if (require_ktx2 && !settings.texture_ktx2)
 	{
-		fprintf(stderr, "Option -tfy is only supported when -tc is set as well\n");
+		fprintf(stderr, "Texture processing is only supported when texture compression is enabled via -tc/-tu\n");
 		return 1;
 	}
 

From 9b4fb5098be995689b67def08ef16b7538baa855 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 29 Oct 2024 08:00:04 -0700
Subject: [PATCH 405/581] Bump glTF-Validator version to dev-3.10

Also add new -ts class option to gltfpack-coverage build
---
 .github/workflows/build.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 93641ecba0..fb25a6dfd6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -100,7 +100,7 @@ jobs:
           curl -sL $VALIDATOR | tar xJ
           find glTF-Sample-Assets -name '*.gltfpack.gltf' | xargs -P 2 -L 1 -d '\n' ./gltf_validator -r -a
         env:
-          VALIDATOR: https://github.com/KhronosGroup/glTF-Validator/releases/download/2.0.0-dev.3.8/gltf_validator-2.0.0-dev.3.8-linux64.tar.xz
+          VALIDATOR: https://github.com/KhronosGroup/glTF-Validator/releases/download/2.0.0-dev.3.10/gltf_validator-2.0.0-dev.3.10-linux64.tar.xz
 
   gltfpack-js:
     runs-on: ubuntu-latest
@@ -173,7 +173,7 @@ jobs:
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -vpf -vtf -c
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -vpf -vtf -cc
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc
-          ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -tq color 10 -tu normal,attrib
+          ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -tq color 10 -tu normal,attrib -ts attrib 0.5
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tr
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -ts 0.5 -tl 64
           ./gltfpack -test glTF-Sample-Assets/Models/CesiumMan/glTF/CesiumMan.gltf -tu -ts 0.6 -tp

From e10fe1c85ca135b95966c144be6f9619231d952c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 29 Oct 2024 08:59:09 -0700
Subject: [PATCH 406/581] Add more gltfpack coverage options

Expands texture options parsing to cover more mask cases and flip-y,
and exercises simplification with locked borders and recently added
error control.
---
 .github/workflows/build.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fb25a6dfd6..a75ea3d315 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -164,7 +164,8 @@ jobs:
         run: |
           find glTF-Sample-Assets -name '*.gltf' -or -name '*.glb' | xargs -P 2 -L 16 -d '\n' ./gltfpack -cc -test
           ./gltfpack -test demo/pirate.obj -si 0.5
-          ./gltfpack -test demo/pirate.obj -si 0.1 -sv -sa
+          ./gltfpack -test demo/pirate.obj -si 0.5 -sv -slb -se 0.02
+          ./gltfpack -test demo/pirate.obj -si 0.1 -sa
           ./gltfpack -test demo/pirate.obj -sd 0.5 -md 64
           ./gltfpack -test demo/pirate.obj -noq
           ./gltfpack -test demo/pirate.obj -vp 16 -vt 16 -vn 16 -vc 16
@@ -176,6 +177,7 @@ jobs:
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -tq color 10 -tu normal,attrib -ts attrib 0.5
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tr
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -ts 0.5 -tl 64
+          ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc color -tfy -tq 4 -tj 1
           ./gltfpack -test glTF-Sample-Assets/Models/CesiumMan/glTF/CesiumMan.gltf -tu -ts 0.6 -tp
           ./gltfpack -test glTF-Sample-Assets/Models/PrimitiveModeNormalsTest/glTF/PrimitiveModeNormalsTest.gltf -si 0.5
           ./gltfpack -test glTF-Sample-Assets/Models/VertexColorTest/glTF/VertexColorTest.gltf -si 0.5 -sv

From b976aa77bc9bb1279dce5071ac8bb6fdb2f66ff4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 29 Oct 2024 09:10:10 -0700
Subject: [PATCH 407/581] Add config=coverage-scalar to Makefile

We need to be able to test scalar versions of all algorithms; at this
point in our CI for some algorithms like vertex decoding we can use SIMD
in all cases, which means scalar codepaths are not covered and bugs may
slip through.

Also rename scalar config to release-scalar.
---
 .github/workflows/build.yml |  1 +
 Makefile                    | 13 +++++++++----
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a75ea3d315..5c7d9760a5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -30,6 +30,7 @@ jobs:
           make -j2 config=debug test
           make -j2 config=release test
           make -j2 config=coverage test
+          make -j2 config=coverage-scalar test
       - name: make gltfpack
         run: make -j2 config=release gltfpack
       - name: upload coverage
diff --git a/Makefile b/Makefile
index 5a158492ec..650fdcc8d9 100644
--- a/Makefile
+++ b/Makefile
@@ -79,10 +79,6 @@ ifeq ($(config),trace)
 	CXXFLAGS+=-DTRACE=1
 endif
 
-ifeq ($(config),scalar)
-	CXXFLAGS+=-O3 -DNDEBUG -DMESHOPTIMIZER_NO_SIMD
-endif
-
 ifeq ($(config),release)
 	CXXFLAGS+=-O3 -DNDEBUG
 endif
@@ -92,6 +88,15 @@ ifeq ($(config),coverage)
 	LDFLAGS+=-coverage
 endif
 
+ifeq ($(config),release-scalar)
+	CXXFLAGS+=-O3 -DNDEBUG -DMESHOPTIMIZER_NO_SIMD
+endif
+
+ifeq ($(config),coverage-scalar)
+	CXXFLAGS+=-coverage -DMESHOPTIMIZER_NO_SIMD
+	LDFLAGS+=-coverage
+endif
+
 ifeq ($(config),sanitize)
 	CXXFLAGS+=-fsanitize=address,undefined -fsanitize-undefined-trap-on-error
 	LDFLAGS+=-fsanitize=address,undefined

From b3adecc2d1b52f4049327ef203760e0acf9b12f4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 29 Oct 2024 10:27:45 -0700
Subject: [PATCH 408/581] gltfpack: Allow per-texture-class control for texture
 limit

Similarly to texture scaling, there are cases where setting individual
limits for different classes can be helpful. Using -ts works when the
input assets are known to have reasonable sizes (and allows to preserve
the size considerations for individual materials), but for a completely
arbitrary input, it can be helpful to enforce a lower limit for normal
maps or attribute maps when they use UASTC.

Since we now have a per-kind limit, the power-of-two validation is a
little more cumbersome to do; for now just remove it as it's unclear
that it's practically useful. If -tl is used to specify a
non-power-of-two limit, -tp will simply round it using the existing
logic.
---
 gltf/basisenc.cpp |  2 +-
 gltf/gltfpack.cpp | 22 +++++++++++++++-------
 gltf/gltfpack.h   |  2 +-
 3 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/gltf/basisenc.cpp b/gltf/basisenc.cpp
index ff79411007..3fd7b3517d 100644
--- a/gltf/basisenc.cpp
+++ b/gltf/basisenc.cpp
@@ -114,7 +114,7 @@ static const char* prepareEncode(basisu::basis_compressor_params& params, const
 	if (!getDimensions(img_data, mime_type.c_str(), width, height))
 		return "error parsing image header";
 
-	adjustDimensions(width, height, settings.texture_scale[info.kind], settings.texture_limit, settings.texture_pow2);
+	adjustDimensions(width, height, settings.texture_scale[info.kind], settings.texture_limit[info.kind], settings.texture_pow2);
 
 	temp_input = temp_prefix + mimeExtension(mime_type.c_str());
 	temp_output = temp_prefix + ".ktx2";
diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index b537a470d2..60d9914a4d 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -1450,7 +1450,20 @@ int main(int argc, char** argv)
 		{
 			require_ktx2 = true;
 
-			settings.texture_limit = atoi(argv[++i]);
+			int limit = atoi(argv[++i]);
+			for (int kind = 0; kind < TextureKind__Count; ++kind)
+				settings.texture_limit[kind] = limit;
+		}
+		else if (strcmp(arg, "-tl") == 0 && i + 2 < argc && isalpha(argv[i + 1][0]) && isdigit(argv[i + 2][0]))
+		{
+			require_ktx2 = true;
+
+			unsigned int mask = textureMask(argv[++i]);
+			int limit = atoi(argv[++i]);
+
+			for (int kind = 0; kind < TextureKind__Count; ++kind)
+				if (mask & (1 << kind))
+					settings.texture_limit[kind] = limit;
 		}
 		else if (strcmp(arg, "-tp") == 0)
 		{
@@ -1581,6 +1594,7 @@ int main(int argc, char** argv)
 			fprintf(stderr, "\t-tu C: use UASTC when encoding textures of class C\n");
 			fprintf(stderr, "\t-tq C N: set texture encoding quality for class C\n");
 			fprintf(stderr, "\t-ts C R: scale texture dimensions for class C\n");
+			fprintf(stderr, "\t-tl C N: limit texture dimensions for class C\n");
 			fprintf(stderr, "\t... where C is a comma-separated list (no spaces) with valid values color,normal,attrib\n");
 			fprintf(stderr, "\nSimplification:\n");
 			fprintf(stderr, "\t-si R: simplify meshes targeting triangle/point count ratio R (default: 1; R should be between 0 and 1)\n");
@@ -1634,12 +1648,6 @@ int main(int argc, char** argv)
 		return 1;
 	}
 
-	if (settings.texture_pow2 && (settings.texture_limit & (settings.texture_limit - 1)) != 0)
-	{
-		fprintf(stderr, "Option -tp requires the limit specified via -tl to be a power of 2\n");
-		return 1;
-	}
-
 	if (require_ktx2 && !settings.texture_ktx2)
 	{
 		fprintf(stderr, "Texture processing is only supported when texture compression is enabled via -tc/-tu\n");
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index e784fcb27a..0f425d89e0 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -154,7 +154,7 @@ struct Settings
 	bool texture_pow2;
 	bool texture_flipy;
 	float texture_scale[TextureKind__Count];
-	int texture_limit;
+	int texture_limit[TextureKind__Count];
 
 	TextureMode texture_mode[TextureKind__Count];
 	int texture_quality[TextureKind__Count];

From 838f627c2a91dfe7f5be054337512015616c9a32 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 29 Oct 2024 10:37:03 -0700
Subject: [PATCH 409/581] gltfpack: Refactor texture setting setup

Instead of replicating two different loops in a few different options,
use a helper function that supports an optional mask.
---
 gltf/gltfpack.cpp | 40 ++++++++++++++++------------------------
 1 file changed, 16 insertions(+), 24 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 60d9914a4d..5f90a7f8fd 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -1242,6 +1242,14 @@ unsigned int textureMask(const char* arg)
 	return result;
 }
 
+template <typename T>
+void applySetting(T (&data)[TextureKind__Count], T value, unsigned int mask = ~0u)
+{
+	for (int kind = 0; kind < TextureKind__Count; ++kind)
+		if (mask & (1 << kind))
+			data[kind] = value;
+}
+
 #ifndef GLTFFUZZ
 int main(int argc, char** argv)
 {
@@ -1392,9 +1400,7 @@ int main(int argc, char** argv)
 			if (i + 1 < argc && isalpha(argv[i + 1][0]))
 				mask = textureMask(argv[++i]);
 
-			for (int kind = 0; kind < TextureKind__Count; ++kind)
-				if (mask & (1 << kind))
-					settings.texture_mode[kind] = TextureMode_UASTC;
+			applySetting(settings.texture_mode, TextureMode_UASTC, mask);
 		}
 		else if (strcmp(arg, "-tc") == 0)
 		{
@@ -1404,17 +1410,14 @@ int main(int argc, char** argv)
 			if (i + 1 < argc && isalpha(argv[i + 1][0]))
 				mask = textureMask(argv[++i]);
 
-			for (int kind = 0; kind < TextureKind__Count; ++kind)
-				if (mask & (1 << kind))
-					settings.texture_mode[kind] = TextureMode_ETC1S;
+			applySetting(settings.texture_mode, TextureMode_ETC1S, mask);
 		}
 		else if (strcmp(arg, "-tq") == 0 && i + 1 < argc && isdigit(argv[i + 1][0]))
 		{
 			require_ktx2 = true;
 
 			int quality = clamp(atoi(argv[++i]), 1, 10);
-			for (int kind = 0; kind < TextureKind__Count; ++kind)
-				settings.texture_quality[kind] = quality;
+			applySetting(settings.texture_quality, quality);
 		}
 		else if (strcmp(arg, "-tq") == 0 && i + 2 < argc && isalpha(argv[i + 1][0]) && isdigit(argv[i + 2][0]))
 		{
@@ -1422,18 +1425,14 @@ int main(int argc, char** argv)
 
 			unsigned int mask = textureMask(argv[++i]);
 			int quality = clamp(atoi(argv[++i]), 1, 10);
-
-			for (int kind = 0; kind < TextureKind__Count; ++kind)
-				if (mask & (1 << kind))
-					settings.texture_quality[kind] = quality;
+			applySetting(settings.texture_quality, quality, mask);
 		}
 		else if (strcmp(arg, "-ts") == 0 && i + 1 < argc && isdigit(argv[i + 1][0]))
 		{
 			require_ktx2 = true;
 
 			float scale = clamp(float(atof(argv[++i])), 0.f, 1.f);
-			for (int kind = 0; kind < TextureKind__Count; ++kind)
-				settings.texture_scale[kind] = scale;
+			applySetting(settings.texture_scale, scale);
 		}
 		else if (strcmp(arg, "-ts") == 0 && i + 2 < argc && isalpha(argv[i + 1][0]) && isdigit(argv[i + 2][0]))
 		{
@@ -1441,18 +1440,14 @@ int main(int argc, char** argv)
 
 			unsigned int mask = textureMask(argv[++i]);
 			float scale = clamp(float(atof(argv[++i])), 0.f, 1.f);
-
-			for (int kind = 0; kind < TextureKind__Count; ++kind)
-				if (mask & (1 << kind))
-					settings.texture_scale[kind] = scale;
+			applySetting(settings.texture_scale, scale, mask);
 		}
 		else if (strcmp(arg, "-tl") == 0 && i + 1 < argc && isdigit(argv[i + 1][0]))
 		{
 			require_ktx2 = true;
 
 			int limit = atoi(argv[++i]);
-			for (int kind = 0; kind < TextureKind__Count; ++kind)
-				settings.texture_limit[kind] = limit;
+			applySetting(settings.texture_limit, limit);
 		}
 		else if (strcmp(arg, "-tl") == 0 && i + 2 < argc && isalpha(argv[i + 1][0]) && isdigit(argv[i + 2][0]))
 		{
@@ -1460,10 +1455,7 @@ int main(int argc, char** argv)
 
 			unsigned int mask = textureMask(argv[++i]);
 			int limit = atoi(argv[++i]);
-
-			for (int kind = 0; kind < TextureKind__Count; ++kind)
-				if (mask & (1 << kind))
-					settings.texture_limit[kind] = limit;
+			applySetting(settings.texture_limit, limit, mask);
 		}
 		else if (strcmp(arg, "-tp") == 0)
 		{

From 5e6feb6924baa0df65fe7e5de25cbb9595de9b0b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 29 Oct 2024 11:42:38 -0700
Subject: [PATCH 410/581] gltfpack: Refactor JSON array output

A fair amount of code has to deal with manually writing arrays of
numbers to JSON; a helper function simplifies this and reduces the
potential for errors.

The only downside here is that we no longer get compile time index
bounds validation; if this ever comes up we could fix it via a template
wrapper.
---
 gltf/gltfpack.cpp |   9 +--
 gltf/gltfpack.h   |   1 +
 gltf/json.cpp     |  12 ++++
 gltf/write.cpp    | 172 +++++++++++-----------------------------------
 4 files changed, 54 insertions(+), 140 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 5f90a7f8fd..82395eb0d5 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -665,13 +665,8 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 
 		if (mesh.target_weights.size())
 		{
-			append(json_meshes, ",\"weights\":[");
-			for (size_t j = 0; j < mesh.target_weights.size(); ++j)
-			{
-				comma(json_meshes);
-				append(json_meshes, mesh.target_weights[j]);
-			}
-			append(json_meshes, "]");
+			append(json_meshes, ",\"weights\":");
+			append(json_meshes, mesh.target_weights.data(), mesh.target_weights.size());
 		}
 
 		if (mesh.target_names.size())
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 0f425d89e0..b5bcf7b70c 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -371,6 +371,7 @@ void append(std::string& s, size_t v);
 void append(std::string& s, float v);
 void append(std::string& s, const char* v);
 void append(std::string& s, const std::string& v);
+void append(std::string& s, const float* data, size_t count);
 void appendJson(std::string& s, const char* data);
 
 const char* attributeType(cgltf_attribute_type type);
diff --git a/gltf/json.cpp b/gltf/json.cpp
index c46ef45a00..837f47d86d 100644
--- a/gltf/json.cpp
+++ b/gltf/json.cpp
@@ -41,6 +41,18 @@ void append(std::string& s, const std::string& v)
 	s += v;
 }
 
+void append(std::string& s, const float* data, size_t count)
+{
+	s += '[';
+	for (size_t i = 0; i < count; ++i)
+	{
+		if (i != 0)
+			s += ',';
+		append(s, data[i]);
+	}
+	s += ']';
+}
+
 void appendJson(std::string& s, const char* data)
 {
 	enum State
diff --git a/gltf/write.cpp b/gltf/write.cpp
index d4d630e2c5..e76591ebfa 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -204,15 +204,10 @@ static void writeTextureInfo(std::string& json, const cgltf_data* data, const cg
 	if (has_transform)
 	{
 		append(json, ",\"extensions\":{\"KHR_texture_transform\":{");
-		append(json, "\"offset\":[");
-		append(json, transform.offset[0]);
-		append(json, ",");
-		append(json, transform.offset[1]);
-		append(json, "],\"scale\":[");
-		append(json, transform.scale[0]);
-		append(json, ",");
-		append(json, transform.scale[1]);
-		append(json, "]");
+		append(json, "\"offset\":");
+		append(json, transform.offset, 2);
+		append(json, ",\"scale\":");
+		append(json, transform.scale, 2);
 		if (transform.rotation != 0.f)
 		{
 			append(json, ",\"rotation\":");
@@ -233,15 +228,8 @@ static void writeMaterialComponent(std::string& json, const cgltf_data* data, co
 	if (memcmp(pbr.base_color_factor, white, 16) != 0)
 	{
 		comma(json);
-		append(json, "\"baseColorFactor\":[");
-		append(json, pbr.base_color_factor[0]);
-		append(json, ",");
-		append(json, pbr.base_color_factor[1]);
-		append(json, ",");
-		append(json, pbr.base_color_factor[2]);
-		append(json, ",");
-		append(json, pbr.base_color_factor[3]);
-		append(json, "]");
+		append(json, "\"baseColorFactor\":");
+		append(json, pbr.base_color_factor, 4);
 	}
 	if (pbr.base_color_texture.texture)
 	{
@@ -289,26 +277,14 @@ static void writeMaterialComponent(std::string& json, const cgltf_data* data, co
 	if (memcmp(pbr.diffuse_factor, white, 16) != 0)
 	{
 		comma(json);
-		append(json, "\"diffuseFactor\":[");
-		append(json, pbr.diffuse_factor[0]);
-		append(json, ",");
-		append(json, pbr.diffuse_factor[1]);
-		append(json, ",");
-		append(json, pbr.diffuse_factor[2]);
-		append(json, ",");
-		append(json, pbr.diffuse_factor[3]);
-		append(json, "]");
+		append(json, "\"diffuseFactor\":");
+		append(json, pbr.diffuse_factor, 4);
 	}
 	if (memcmp(pbr.specular_factor, white, 12) != 0)
 	{
 		comma(json);
-		append(json, "\"specularFactor\":[");
-		append(json, pbr.specular_factor[0]);
-		append(json, ",");
-		append(json, pbr.specular_factor[1]);
-		append(json, ",");
-		append(json, pbr.specular_factor[2]);
-		append(json, "]");
+		append(json, "\"specularFactor\":");
+		append(json, pbr.specular_factor, 3);
 	}
 	if (pbr.glossiness_factor != 1)
 	{
@@ -411,13 +387,8 @@ static void writeMaterialComponent(std::string& json, const cgltf_data* data, co
 	if (memcmp(tm.specular_color_factor, white, 12) != 0)
 	{
 		comma(json);
-		append(json, "\"specularColorFactor\":[");
-		append(json, tm.specular_color_factor[0]);
-		append(json, ",");
-		append(json, tm.specular_color_factor[1]);
-		append(json, ",");
-		append(json, tm.specular_color_factor[2]);
-		append(json, "]");
+		append(json, "\"specularColorFactor\":");
+		append(json, tm.specular_color_factor, 3);
 	}
 	append(json, "}");
 }
@@ -441,13 +412,8 @@ static void writeMaterialComponent(std::string& json, const cgltf_data* data, co
 	if (memcmp(tm.sheen_color_factor, black, 12) != 0)
 	{
 		comma(json);
-		append(json, "\"sheenColorFactor\":[");
-		append(json, tm.sheen_color_factor[0]);
-		append(json, ",");
-		append(json, tm.sheen_color_factor[1]);
-		append(json, ",");
-		append(json, tm.sheen_color_factor[2]);
-		append(json, "]");
+		append(json, "\"sheenColorFactor\":");
+		append(json, tm.sheen_color_factor, 3);
 	}
 	if (tm.sheen_roughness_factor != 0)
 	{
@@ -478,13 +444,8 @@ static void writeMaterialComponent(std::string& json, const cgltf_data* data, co
 	if (memcmp(tm.attenuation_color, white, 12) != 0)
 	{
 		comma(json);
-		append(json, "\"attenuationColor\":[");
-		append(json, tm.attenuation_color[0]);
-		append(json, ",");
-		append(json, tm.attenuation_color[1]);
-		append(json, ",");
-		append(json, tm.attenuation_color[2]);
-		append(json, "]");
+		append(json, "\"attenuationColor\":");
+		append(json, tm.attenuation_color, 3);
 	}
 	if (tm.attenuation_distance != FLT_MAX)
 	{
@@ -628,13 +589,8 @@ void writeMaterial(std::string& json, const cgltf_data* data, const cgltf_materi
 	if (memcmp(material.emissive_factor, black, 12) != 0)
 	{
 		comma(json);
-		append(json, "\"emissiveFactor\":[");
-		append(json, material.emissive_factor[0]);
-		append(json, ",");
-		append(json, material.emissive_factor[1]);
-		append(json, ",");
-		append(json, material.emissive_factor[2]);
-		append(json, "]");
+		append(json, "\"emissiveFactor\":");
+		append(json, material.emissive_factor, 3);
 	}
 
 	if (material.alpha_mode != cgltf_alpha_mode_opaque)
@@ -799,19 +755,10 @@ static void writeAccessor(std::string& json, size_t view, size_t offset, cgltf_t
 	{
 		assert(numminmax);
 
-		append(json, ",\"min\":[");
-		for (size_t k = 0; k < numminmax; ++k)
-		{
-			comma(json);
-			append(json, min[k]);
-		}
-		append(json, "],\"max\":[");
-		for (size_t k = 0; k < numminmax; ++k)
-		{
-			comma(json);
-			append(json, max[k]);
-		}
-		append(json, "]");
+		append(json, ",\"min\":");
+		append(json, min, numminmax);
+		append(json, ",\"max\":");
+		append(json, max, numminmax);
 	}
 
 	append(json, "}");
@@ -1224,13 +1171,9 @@ void writeMeshNode(std::string& json, size_t mesh_offset, cgltf_node* node, cglt
 	}
 	if (qp)
 	{
-		append(json, ",\"translation\":[");
-		append(json, qp->offset[0]);
-		append(json, ",");
-		append(json, qp->offset[1]);
-		append(json, ",");
-		append(json, qp->offset[2]);
-		append(json, "],\"scale\":[");
+		append(json, ",\"translation\":");
+		append(json, qp->offset, 3);
+		append(json, ",\"scale\":[");
 		append(json, qp->node_scale);
 		append(json, ",");
 		append(json, qp->node_scale);
@@ -1240,13 +1183,8 @@ void writeMeshNode(std::string& json, size_t mesh_offset, cgltf_node* node, cglt
 	}
 	if (node && node->weights_count)
 	{
-		append(json, ",\"weights\":[");
-		for (size_t j = 0; j < node->weights_count; ++j)
-		{
-			comma(json);
-			append(json, node->weights[j]);
-		}
-		append(json, "]");
+		append(json, ",\"weights\":");
+		append(json, node->weights, node->weights_count);
 	}
 	append(json, "}");
 }
@@ -1316,48 +1254,26 @@ void writeNode(std::string& json, const cgltf_node& node, const std::vector<Node
 	if (node.has_translation)
 	{
 		comma(json);
-		append(json, "\"translation\":[");
-		append(json, node.translation[0]);
-		append(json, ",");
-		append(json, node.translation[1]);
-		append(json, ",");
-		append(json, node.translation[2]);
-		append(json, "]");
+		append(json, "\"translation\":");
+		append(json, node.translation, 3);
 	}
 	if (node.has_rotation)
 	{
 		comma(json);
-		append(json, "\"rotation\":[");
-		append(json, node.rotation[0]);
-		append(json, ",");
-		append(json, node.rotation[1]);
-		append(json, ",");
-		append(json, node.rotation[2]);
-		append(json, ",");
-		append(json, node.rotation[3]);
-		append(json, "]");
+		append(json, "\"rotation\":");
+		append(json, node.rotation, 4);
 	}
 	if (node.has_scale)
 	{
 		comma(json);
-		append(json, "\"scale\":[");
-		append(json, node.scale[0]);
-		append(json, ",");
-		append(json, node.scale[1]);
-		append(json, ",");
-		append(json, node.scale[2]);
-		append(json, "]");
+		append(json, "\"scale\":");
+		append(json, node.scale, 3);
 	}
 	if (node.has_matrix)
 	{
 		comma(json);
-		append(json, "\"matrix\":[");
-		for (int k = 0; k < 16; ++k)
-		{
-			comma(json);
-			append(json, node.matrix[k]);
-		}
-		append(json, "]");
+		append(json, "\"matrix\":");
+		append(json, node.matrix, 16);
 	}
 
 	bool has_children = !ni.mesh_nodes.empty();
@@ -1397,13 +1313,8 @@ void writeNode(std::string& json, const cgltf_node& node, const std::vector<Node
 		}
 		if (node.weights_count)
 		{
-			append(json, ",\"weights\":[");
-			for (size_t j = 0; j < node.weights_count; ++j)
-			{
-				comma(json);
-				append(json, node.weights[j]);
-			}
-			append(json, "]");
+			append(json, ",\"weights\":");
+			append(json, node.weights, node.weights_count);
 		}
 	}
 	if (node.camera)
@@ -1606,13 +1517,8 @@ void writeLight(std::string& json, const cgltf_light& light)
 	if (memcmp(light.color, white, 12) != 0)
 	{
 		comma(json);
-		append(json, "\"color\":[");
-		append(json, light.color[0]);
-		append(json, ",");
-		append(json, light.color[1]);
-		append(json, ",");
-		append(json, light.color[2]);
-		append(json, "]");
+		append(json, "\"color\":");
+		append(json, light.color, 3);
 	}
 	if (light.intensity != 1.f)
 	{

From d93419ced5956307f41333c500c8037c8b861d59 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 29 Oct 2024 19:43:32 -0700
Subject: [PATCH 411/581] Improve gltfpack code coverage further

We haven't really used scan=true in a while and it's not a very
interesting mode anyway, so debugMeshlets doesn't need it.

Also add a few more gltfpack options to coverage build; -tl just tests
option parsing but we were missing some actual processing code paths due
to lack of keep flags.
---
 .github/workflows/build.yml |  3 ++-
 gltf/gltfpack.cpp           |  2 +-
 gltf/gltfpack.h             |  2 +-
 gltf/mesh.cpp               | 11 ++---------
 4 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5c7d9760a5..6e525b61ed 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -172,10 +172,11 @@ jobs:
           ./gltfpack -test demo/pirate.obj -vp 16 -vt 16 -vn 16 -vc 16
           ./gltfpack -test demo/pirate.obj -vpf -vtf -vnf
           ./gltfpack -test glTF-Sample-Assets/Models/ABeautifulGame/glTF/ABeautifulGame.gltf -mi -c
+          ./gltfpack -test glTF-Sample-Assets/Models/ABeautifulGame/glTF/ABeautifulGame.gltf -kn -km -ke
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -vpf -vtf -c
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -vpf -vtf -cc
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc
-          ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -tq color 10 -tu normal,attrib -ts attrib 0.5
+          ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -tq color 10 -tu normal,attrib -ts attrib 0.5 -tl color 512
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tr
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -ts 0.5 -tl 64
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc color -tfy -tq 4 -tj 1
diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 82395eb0d5..a3ec5a60af 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -421,7 +421,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		if (settings.meshlet_debug > 0)
 		{
 			Mesh meshlets = {};
-			debugMeshlets(mesh, meshlets, settings.meshlet_debug, /* scan= */ false);
+			debugMeshlets(mesh, meshlets, settings.meshlet_debug);
 			debug_meshes.push_back(meshlets);
 		}
 	}
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index b5bcf7b70c..9644d3862b 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -312,7 +312,7 @@ void processAnimation(Animation& animation, const Settings& settings);
 void processMesh(Mesh& mesh, const Settings& settings);
 
 void debugSimplify(const Mesh& mesh, Mesh& kinds, Mesh& loops, float ratio, float error, bool attributes, bool quantize_tbn);
-void debugMeshlets(const Mesh& mesh, Mesh& meshlets, int max_vertices, bool scan);
+void debugMeshlets(const Mesh& mesh, Mesh& meshlets, int max_vertices);
 
 bool compareMeshTargets(const Mesh& lhs, const Mesh& rhs);
 bool compareMeshVariants(const Mesh& lhs, const Mesh& rhs);
diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index c4899dcb78..ae44322f3e 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -1114,16 +1114,13 @@ void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio, fl
 	loops.streams.push_back(colors);
 }
 
-void debugMeshlets(const Mesh& source, Mesh& meshlets, int max_vertices, bool scan)
+void debugMeshlets(const Mesh& source, Mesh& meshlets, int max_vertices)
 {
 	Mesh mesh = source;
 	assert(mesh.type == cgltf_primitive_type_triangles);
 
 	reindexMesh(mesh, /* quantize_tbn= */ true);
 
-	if (scan)
-		optimizeMesh(mesh, false);
-
 	const Stream* positions = getStream(mesh, cgltf_attribute_type_position);
 	assert(positions);
 
@@ -1135,11 +1132,7 @@ void debugMeshlets(const Mesh& source, Mesh& meshlets, int max_vertices, bool sc
 	std::vector<meshopt_Meshlet> ml(max_meshlets);
 	std::vector<unsigned int> mlv(max_meshlets * max_vertices);
 	std::vector<unsigned char> mlt(max_meshlets * max_triangles * 3);
-
-	if (scan)
-		ml.resize(meshopt_buildMeshletsScan(&ml[0], &mlv[0], &mlt[0], &mesh.indices[0], mesh.indices.size(), positions->data.size(), max_vertices, max_triangles));
-	else
-		ml.resize(meshopt_buildMeshlets(&ml[0], &mlv[0], &mlt[0], &mesh.indices[0], mesh.indices.size(), positions->data[0].f, positions->data.size(), sizeof(Attr), max_vertices, max_triangles, cone_weight));
+	ml.resize(meshopt_buildMeshlets(&ml[0], &mlv[0], &mlt[0], &mesh.indices[0], mesh.indices.size(), positions->data[0].f, positions->data.size(), sizeof(Attr), max_vertices, max_triangles, cone_weight));
 
 	// generate meshlet meshes, using unique colors
 	meshlets.nodes = mesh.nodes;

From 428337a48e6a9798260efcd6b600ee56fb285bae Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 5 Nov 2024 18:21:49 -0800
Subject: [PATCH 412/581] simplifier: Evaluate attribute error for both edges
 for seam collapses

When collapsing seam->seam or seam->locked edges, we were assuming that
the attribute error on both the primary edge and the seam pair is about
the same. There are cases when this is not true; that leads to the
collapse with an ostensibly low error significantly changing attribute
appearance.

To evaluate the error, we need to use the same logic as we use during
perform() to discover the seam pair, and use the maximum error of the
two for the attribute component.
---
 src/simplifier.cpp | 28 +++++++++++++++++++++++-----
 1 file changed, 23 insertions(+), 5 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index af64cbda49..c1e127f634 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1026,7 +1026,7 @@ static size_t pickEdgeCollapses(Collapse* collapses, size_t collapse_capacity, c
 	return collapse_count;
 }
 
-static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const Vector3* vertex_positions, const float* vertex_attributes, const Quadric* vertex_quadrics, const Quadric* attribute_quadrics, const QuadricGrad* attribute_gradients, size_t attribute_count, const unsigned int* remap)
+static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const Vector3* vertex_positions, const float* vertex_attributes, const Quadric* vertex_quadrics, const Quadric* attribute_quadrics, const QuadricGrad* attribute_gradients, size_t attribute_count, const unsigned int* remap, const unsigned int* wedge, const unsigned char* vertex_kind, const unsigned int* loop, const unsigned int* loopback)
 {
 	for (size_t i = 0; i < collapse_count; ++i)
 	{
@@ -1049,9 +1049,27 @@ static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const
 
 		if (attribute_count)
 		{
-			// note: ideally we would evaluate max/avg of attribute errors for seam edges, but it's not clear if it's worth the extra cost
-			ei += quadricError(attribute_quadrics[i0], &attribute_gradients[i0 * attribute_count], attribute_count, vertex_positions[i1], &vertex_attributes[i1 * attribute_count]);
-			ej += quadricError(attribute_quadrics[j0], &attribute_gradients[j0 * attribute_count], attribute_count, vertex_positions[j1], &vertex_attributes[j1 * attribute_count]);
+			float ai = quadricError(attribute_quadrics[i0], &attribute_gradients[i0 * attribute_count], attribute_count, vertex_positions[i1], &vertex_attributes[i1 * attribute_count]);
+			float aj = quadricError(attribute_quadrics[j0], &attribute_gradients[j0 * attribute_count], attribute_count, vertex_positions[j1], &vertex_attributes[j1 * attribute_count]);
+
+			// note: seam edges use a maximum of attribute errors between primary and secondary edges, which is necessary to avoid collapses introducing hidden errors
+			if (vertex_kind[i0] == Kind_Seam)
+			{
+				unsigned int s0 = wedge[i0];
+				unsigned int s1 = loop[i0] == i1 ? loopback[s0] : loop[s0];
+
+				assert(s0 != i0 && wedge[s0] == i0);
+				assert(s1 != ~0u && remap[s1] == remap[i1]);
+
+				float si = quadricError(attribute_quadrics[s0], &attribute_gradients[s0 * attribute_count], attribute_count, vertex_positions[s1], &vertex_attributes[s1 * attribute_count]);
+				float sj = c.bidi ? quadricError(attribute_quadrics[s1], &attribute_gradients[s1 * attribute_count], attribute_count, vertex_positions[s0], &vertex_attributes[s0 * attribute_count]) : si;
+
+				ai = ai < si ? si : ai;
+				aj = aj < sj ? sj : aj;
+			}
+
+			ei += ai;
+			ej += aj;
 		}
 
 		// pick edge direction with minimal error
@@ -1964,7 +1982,7 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
 		printf("pass %d:%c", int(pass_count++), TRACE >= 2 ? '\n' : ' ');
 #endif
 
-		rankEdgeCollapses(edge_collapses, edge_collapse_count, vertex_positions, vertex_attributes, vertex_quadrics, attribute_quadrics, attribute_gradients, attribute_count, remap);
+		rankEdgeCollapses(edge_collapses, edge_collapse_count, vertex_positions, vertex_attributes, vertex_quadrics, attribute_quadrics, attribute_gradients, attribute_count, remap, wedge, vertex_kind, loop, loopback);
 
 		sortEdgeCollapses(collapse_order, edge_collapses, edge_collapse_count);
 

From 5672199c34fc05977168557da10a23c11d9adb78 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 6 Nov 2024 09:39:34 -0800
Subject: [PATCH 413/581] simplifier: Aggregate attribute error for both edges
 for seam collapses

To get consistent results for seam collapses, we need to accumulate the
error instead of using max/avg. The intuition is that if the seam did
not exist, we would automatically get the aggregation of errors because
we aggregate attribute quadrics; this would result in the error being
scaled with the associated triangle area. When the vertices are split
along the seam edge, we don't get this aggregation for free and must
perform it manually.
---
 src/simplifier.cpp | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index c1e127f634..34df1f2f94 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1049,10 +1049,10 @@ static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const
 
 		if (attribute_count)
 		{
-			float ai = quadricError(attribute_quadrics[i0], &attribute_gradients[i0 * attribute_count], attribute_count, vertex_positions[i1], &vertex_attributes[i1 * attribute_count]);
-			float aj = quadricError(attribute_quadrics[j0], &attribute_gradients[j0 * attribute_count], attribute_count, vertex_positions[j1], &vertex_attributes[j1 * attribute_count]);
+			ei += quadricError(attribute_quadrics[i0], &attribute_gradients[i0 * attribute_count], attribute_count, vertex_positions[i1], &vertex_attributes[i1 * attribute_count]);
+			ej += quadricError(attribute_quadrics[j0], &attribute_gradients[j0 * attribute_count], attribute_count, vertex_positions[j1], &vertex_attributes[j1 * attribute_count]);
 
-			// note: seam edges use a maximum of attribute errors between primary and secondary edges, which is necessary to avoid collapses introducing hidden errors
+			// note: seam edges need to aggregate attribute errors between primary and secondary edges, as attribute quadrics are separate
 			if (vertex_kind[i0] == Kind_Seam)
 			{
 				unsigned int s0 = wedge[i0];
@@ -1061,15 +1061,11 @@ static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const
 				assert(s0 != i0 && wedge[s0] == i0);
 				assert(s1 != ~0u && remap[s1] == remap[i1]);
 
-				float si = quadricError(attribute_quadrics[s0], &attribute_gradients[s0 * attribute_count], attribute_count, vertex_positions[s1], &vertex_attributes[s1 * attribute_count]);
-				float sj = c.bidi ? quadricError(attribute_quadrics[s1], &attribute_gradients[s1 * attribute_count], attribute_count, vertex_positions[s0], &vertex_attributes[s0 * attribute_count]) : si;
+				float se = quadricError(attribute_quadrics[s0], &attribute_gradients[s0 * attribute_count], attribute_count, vertex_positions[s1], &vertex_attributes[s1 * attribute_count]);
 
-				ai = ai < si ? si : ai;
-				aj = aj < sj ? sj : aj;
+				ei += se;
+				ej += c.bidi ? quadricError(attribute_quadrics[s1], &attribute_gradients[s1 * attribute_count], attribute_count, vertex_positions[s0], &vertex_attributes[s0 * attribute_count]) : se;
 			}
-
-			ei += ai;
-			ej += aj;
 		}
 
 		// pick edge direction with minimal error

From 72c420a9dafa50b885e6e8b812fb84378c15f1d4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 6 Nov 2024 12:20:46 -0800
Subject: [PATCH 414/581] simplifier: Slightly unify seam pair discovery

Since we have to unfortunately do seam pair discovery in two places
again, copy the comments and a memory safety guard so that these two
copies align better. performEdgeCollapses still does more validation in
debug here.

As in performEdgeCollapses, the memory safety guard is not actually hit
in practice, but it's not explicitly guarded against anywhere and
instead isn't hit through a complex reasoning chain due to how seams and
loops are structured. Not ideal, but probably still worth keeping for
now.
---
 src/simplifier.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index 34df1f2f94..a94e82d81c 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1055,12 +1055,16 @@ static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const
 			// note: seam edges need to aggregate attribute errors between primary and secondary edges, as attribute quadrics are separate
 			if (vertex_kind[i0] == Kind_Seam)
 			{
+				// for seam collapses we need to find the seam pair; this is a bit tricky since we need to rely on edge loops as target vertex may be locked (and thus have more than two wedges)
 				unsigned int s0 = wedge[i0];
 				unsigned int s1 = loop[i0] == i1 ? loopback[s0] : loop[s0];
 
 				assert(s0 != i0 && wedge[s0] == i0);
 				assert(s1 != ~0u && remap[s1] == remap[i1]);
 
+				// note: this should never happen due to the assertion above, but when disabled if we ever hit this case we'll get a memory safety issue; for now play it safe
+				s1 = (s1 != ~0u) ? s1 : wedge[i1];
+
 				float se = quadricError(attribute_quadrics[s0], &attribute_gradients[s0 * attribute_count], attribute_count, vertex_positions[s1], &vertex_attributes[s1 * attribute_count]);
 
 				ei += se;
@@ -1220,7 +1224,7 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
 		}
 		else if (kind == Kind_Seam)
 		{
-			// for seam collapses we need to move the seam pair together; this is a bit tricky to compute since we need to rely on edge loops as target vertex may be locked (and thus have more than two wedges)
+			// for seam collapses we need to move the seam pair together; this is a bit tricky since we need to rely on edge loops as target vertex may be locked (and thus have more than two wedges)
 			unsigned int s0 = wedge[i0];
 			unsigned int s1 = loop[i0] == i1 ? loopback[s0] : loop[s0];
 			assert(s0 != i0 && wedge[s0] == i0);

From d1116588e8f3f266443242fc633ed4c7a177775b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 6 Nov 2024 12:23:11 -0800
Subject: [PATCH 415/581] demo: Add a test for correct seam attribute
 evaluation

Even if the attributes are the same on either side, the aggregation is
necessary to compute properly weighted error; without the previous fix,
the reported error here was markedly lower (0.20 vs 0.35).
---
 demo/tests.cpp | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 598d3aa2be..97c12613f0 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1575,6 +1575,61 @@ static void simplifySeamFake()
 	assert(meshopt_simplify(ib, ib, 6, vb, 4, 16, 0, 1.f, 0, NULL) == 6);
 }
 
+static void simplifySeamAttr()
+{
+	// xyz+attr
+	float vb[] = {
+	    0, 0, 0, 0,
+	    0, 1, 0, 0,
+	    0, 1, 0, 0,
+	    0, 2, 0, 0,
+	    1, 0, 0, 1,
+	    1, 1, 0, 1,
+	    1, 1, 0, 1,
+	    1, 2, 0, 1,
+	    4, 0, 0, 2,
+	    4, 1, 0, 2,
+	    4, 1, 0, 2,
+	    4, 2, 0, 2, // clang-format :-/
+	};
+
+	// 0   1-2   3
+	// 4   5-6   7
+	// 8   9-10 11
+
+	unsigned int ib[] = {
+	    0, 1, 4,
+	    4, 1, 5,
+	    2, 3, 6,
+	    6, 3, 7,
+	    4, 5, 8,
+	    8, 5, 9,
+	    6, 7, 10,
+	    10, 7, 11, // clang-format :-/
+	};
+
+	// note: vertices 1-2 and 9-10 are classified as locked, because they are on a seam & a border
+	// 0   1-2   3
+	// 4         7
+	// 8   9-10 11
+	unsigned int expected[] = {
+	    0, 1, 4,
+	    2, 3, 7,
+	    4, 1, 8,
+	    8, 1, 9,
+	    2, 7, 10,
+	    10, 7, 11, // clang-format :-/
+	};
+
+	unsigned int res[24];
+	float error = 0.f;
+
+	float aw = 1;
+	assert(meshopt_simplifyWithAttributes(res, ib, 24, vb, 12, 16, vb + 3, 16, &aw, 1, NULL, 12, 2.f, meshopt_SimplifyLockBorder, &error) == 18);
+	assert(memcmp(res, expected, sizeof(expected)) == 0);
+	assert(fabsf(error - 0.35f) < 0.01f);
+}
+
 static void simplifyDebug()
 {
 	// 0
@@ -1945,6 +2000,7 @@ void runTests()
 	simplifyErrorAbsolute();
 	simplifySeam();
 	simplifySeamFake();
+	simplifySeamAttr();
 	simplifyDebug();
 	simplifyPrune();
 	simplifyPruneCleanup();

From c2359a155957cbaef0c4d1e1aeedf739d51fac4a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 6 Nov 2024 15:11:17 -0800
Subject: [PATCH 416/581] tools: Add meshopt_simplifyWithAttributes call to
 simplifyfuzz

This helps fuzz code paths that are only active when we have at least
one attribute.
---
 tools/simplifyfuzz.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/simplifyfuzz.cpp b/tools/simplifyfuzz.cpp
index 4c3ba875a1..211dc9c2c3 100644
--- a/tools/simplifyfuzz.cpp
+++ b/tools/simplifyfuzz.cpp
@@ -35,5 +35,8 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* buffer, size_t size)
 	meshopt_simplify(res, ib, indices, vb[0], 100, sizeof(float) * 4, 0, FLT_MAX, meshopt_SimplifySparse, NULL);
 	meshopt_simplify(res, ib, indices, vb[0], 100, sizeof(float) * 4, 0, FLT_MAX, meshopt_SimplifyPrune, NULL);
 
+	float aw = 1;
+	meshopt_simplifyWithAttributes(res, ib, indices, vb[0], 100, sizeof(float) * 4, vb[0] + 3, sizeof(float) * 4, &aw, 1, NULL, 0, FLT_MAX, 0, NULL);
+
 	return 0;
 }

From 2fb9f5be351df3a3db42c84645d71393830f7f06 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 6 Nov 2024 17:51:23 -0800
Subject: [PATCH 417/581] simplifier: Only evaluate unidirectional changes once

While in many cases most of the edges are bidirectional, some models
have a high number of unidirectional edges, and that number only grew
with unlocked seam/border->locked collapses. We've been using a
branchless error evaluation strategy, where a unidirectional edge is
evaluated twice so that the control flow is similar between different
edges.

However, this does not seem to materially improve runtime for cases when
most edges are indeed bidirectional; for models with a high number of
unidirectional edges this has a visible negative impact on performance.
---
 src/simplifier.cpp | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/src/simplifier.cpp b/src/simplifier.cpp
index a94e82d81c..d464fc6072 100644
--- a/src/simplifier.cpp
+++ b/src/simplifier.cpp
@@ -1041,7 +1041,7 @@ static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const
 		unsigned int j1 = c.bidi ? i0 : i1;
 
 		float ei = quadricError(vertex_quadrics[remap[i0]], vertex_positions[i1]);
-		float ej = quadricError(vertex_quadrics[remap[j0]], vertex_positions[j1]);
+		float ej = c.bidi ? quadricError(vertex_quadrics[remap[j0]], vertex_positions[j1]) : FLT_MAX;
 
 #if TRACE >= 3
 		float di = ei, dj = ej;
@@ -1050,7 +1050,7 @@ static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const
 		if (attribute_count)
 		{
 			ei += quadricError(attribute_quadrics[i0], &attribute_gradients[i0 * attribute_count], attribute_count, vertex_positions[i1], &vertex_attributes[i1 * attribute_count]);
-			ej += quadricError(attribute_quadrics[j0], &attribute_gradients[j0 * attribute_count], attribute_count, vertex_positions[j1], &vertex_attributes[j1 * attribute_count]);
+			ej += c.bidi ? quadricError(attribute_quadrics[j0], &attribute_gradients[j0 * attribute_count], attribute_count, vertex_positions[j1], &vertex_attributes[j1 * attribute_count]) : 0;
 
 			// note: seam edges need to aggregate attribute errors between primary and secondary edges, as attribute quadrics are separate
 			if (vertex_kind[i0] == Kind_Seam)
@@ -1065,10 +1065,8 @@ static void rankEdgeCollapses(Collapse* collapses, size_t collapse_count, const
 				// note: this should never happen due to the assertion above, but when disabled if we ever hit this case we'll get a memory safety issue; for now play it safe
 				s1 = (s1 != ~0u) ? s1 : wedge[i1];
 
-				float se = quadricError(attribute_quadrics[s0], &attribute_gradients[s0 * attribute_count], attribute_count, vertex_positions[s1], &vertex_attributes[s1 * attribute_count]);
-
-				ei += se;
-				ej += c.bidi ? quadricError(attribute_quadrics[s1], &attribute_gradients[s1 * attribute_count], attribute_count, vertex_positions[s0], &vertex_attributes[s0 * attribute_count]) : se;
+				ei += quadricError(attribute_quadrics[s0], &attribute_gradients[s0 * attribute_count], attribute_count, vertex_positions[s1], &vertex_attributes[s1 * attribute_count]);
+				ej += c.bidi ? quadricError(attribute_quadrics[s1], &attribute_gradients[s1 * attribute_count], attribute_count, vertex_positions[s0], &vertex_attributes[s0 * attribute_count]) : 0;
 			}
 		}
 

From 4b0c08015cf77a8e6e241f1d08959a7f93c62ef9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 8 Nov 2024 22:01:51 -0800
Subject: [PATCH 418/581] demo: Fix simplify web demo in Safari

Unlike Chrome and Firefox, Safari only fires onchange event on inputs when
they are in the DOM; switching to a static hidden input element fixes this.
---
 demo/simplify.html | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/demo/simplify.html b/demo/simplify.html
index de065584f8..2e2ed7e0de 100644
--- a/demo/simplify.html
+++ b/demo/simplify.html
@@ -47,6 +47,8 @@
 			<div id="ratio"></div>
 		</div>
 
+		<input type="file" id="fileInput" style="display: none" accept=".obj,.glb" />
+
 		<script type="module">
 			import * as THREE from 'three';
 			import { GLTFLoader } from 'three-examples/loaders/GLTFLoader.js';
@@ -85,8 +87,7 @@
 				},
 
 				loadFile: function () {
-					var input = document.createElement('input');
-					input.type = 'file';
+					var input = document.getElementById('fileInput');
 					input.onchange = function () {
 						var file = input.files[0];
 						var uri = URL.createObjectURL(file);

From b8e35fcfbf5a8be49a1fc34536108f1a89a0375b Mon Sep 17 00:00:00 2001
From: hankarun <hankarun@gmail.com>
Date: Fri, 15 Nov 2024 13:44:08 +0300
Subject: [PATCH 419/581] Add MESHOPT_INSTALL option

Add new option to control library install behavior.
---
 CMakeLists.txt | 71 ++++++++++++++++++++++++++------------------------
 1 file changed, 37 insertions(+), 34 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f8e9fbaaee..7ffbc92d7e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,6 +18,7 @@ option(MESHOPT_BUILD_DEMO "Build demo" OFF)
 option(MESHOPT_BUILD_GLTFPACK "Build gltfpack" OFF)
 option(MESHOPT_BUILD_SHARED_LIBS "Build shared libraries" OFF)
 option(MESHOPT_WERROR "Treat warnings as errors" OFF)
+option(MESHOPT_INSTALL "Install library" ON)
 set(MESHOPT_BASISU_PATH "" CACHE STRING "")
 
 set(SOURCES
@@ -135,38 +136,40 @@ if(MESHOPT_BUILD_GLTFPACK)
     endif()
 endif()
 
-include(GNUInstallDirs)
-
-install(TARGETS ${TARGETS} EXPORT meshoptimizerTargets
-    COMPONENT meshoptimizer
-    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-    INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
-
-install(FILES src/meshoptimizer.h COMPONENT meshoptimizer DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
-install(EXPORT meshoptimizerTargets COMPONENT meshoptimizer DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/meshoptimizer NAMESPACE meshoptimizer::)
-
-# TARGET_PDB_FILE is available since 3.1
-if(MSVC AND NOT (CMAKE_VERSION VERSION_LESS "3.1"))
-    foreach(TARGET ${TARGETS})
-        get_target_property(TARGET_TYPE ${TARGET} TYPE)
-        if(NOT ${TARGET_TYPE} STREQUAL "STATIC_LIBRARY")
-            install(FILES $<TARGET_PDB_FILE:${TARGET}> COMPONENT meshoptimizer DESTINATION ${CMAKE_INSTALL_BINDIR} OPTIONAL)
-        endif()
-    endforeach(TARGET)
+if(MESHOPT_INSTALL)
+	include(GNUInstallDirs)
+	
+	install(TARGETS ${TARGETS} EXPORT meshoptimizerTargets
+	    COMPONENT meshoptimizer
+	    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+	    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+	    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+	    INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+	
+	install(FILES src/meshoptimizer.h COMPONENT meshoptimizer DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+	install(EXPORT meshoptimizerTargets COMPONENT meshoptimizer DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/meshoptimizer NAMESPACE meshoptimizer::)
+	
+	# TARGET_PDB_FILE is available since 3.1
+	if(MSVC AND NOT (CMAKE_VERSION VERSION_LESS "3.1"))
+	    foreach(TARGET ${TARGETS})
+	        get_target_property(TARGET_TYPE ${TARGET} TYPE)
+	        if(NOT ${TARGET_TYPE} STREQUAL "STATIC_LIBRARY")
+	            install(FILES $<TARGET_PDB_FILE:${TARGET}> COMPONENT meshoptimizer DESTINATION ${CMAKE_INSTALL_BINDIR} OPTIONAL)
+	        endif()
+	    endforeach(TARGET)
+	endif()
+	
+	include(CMakePackageConfigHelpers)
+	
+	configure_package_config_file(config.cmake.in
+	    ${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfig.cmake
+	    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/meshoptimizer NO_SET_AND_CHECK_MACRO)
+	
+	write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfigVersion.cmake COMPATIBILITY ExactVersion)
+	
+	install(FILES
+	    ${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfig.cmake
+	    ${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfigVersion.cmake
+	    COMPONENT meshoptimizer
+	    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/meshoptimizer)
 endif()
-
-include(CMakePackageConfigHelpers)
-
-configure_package_config_file(config.cmake.in
-    ${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfig.cmake
-    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/meshoptimizer NO_SET_AND_CHECK_MACRO)
-
-write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfigVersion.cmake COMPATIBILITY ExactVersion)
-
-install(FILES
-    ${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfig.cmake
-    ${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfigVersion.cmake
-    COMPONENT meshoptimizer
-    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/meshoptimizer)

From a64a212836d471756f86121aa5afc3547ff6196c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 17 Nov 2024 08:21:50 +0900
Subject: [PATCH 420/581] Update CMake version to 3.5...3.30

This should retain compatibility with earlier version of CMake and suppress
the deprecation warning for quite some time.

Also we no longer need to check if TARGET_PDB_FILE is supported, as minimum
version requirement covers it.
---
 CMakeLists.txt | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7ffbc92d7e..6fd90485be 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.5...3.30)
 
 if(POLICY CMP0077)
     cmake_policy(SET CMP0077 NEW) # Enables override of options from parent CMakeLists.txt
@@ -138,19 +138,18 @@ endif()
 
 if(MESHOPT_INSTALL)
 	include(GNUInstallDirs)
-	
+
 	install(TARGETS ${TARGETS} EXPORT meshoptimizerTargets
 	    COMPONENT meshoptimizer
 	    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 	    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
 	    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
 	    INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
-	
+
 	install(FILES src/meshoptimizer.h COMPONENT meshoptimizer DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 	install(EXPORT meshoptimizerTargets COMPONENT meshoptimizer DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/meshoptimizer NAMESPACE meshoptimizer::)
-	
-	# TARGET_PDB_FILE is available since 3.1
-	if(MSVC AND NOT (CMAKE_VERSION VERSION_LESS "3.1"))
+
+	if(MSVC)
 	    foreach(TARGET ${TARGETS})
 	        get_target_property(TARGET_TYPE ${TARGET} TYPE)
 	        if(NOT ${TARGET_TYPE} STREQUAL "STATIC_LIBRARY")
@@ -158,15 +157,15 @@ if(MESHOPT_INSTALL)
 	        endif()
 	    endforeach(TARGET)
 	endif()
-	
+
 	include(CMakePackageConfigHelpers)
-	
+
 	configure_package_config_file(config.cmake.in
 	    ${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfig.cmake
 	    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/meshoptimizer NO_SET_AND_CHECK_MACRO)
-	
+
 	write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfigVersion.cmake COMPATIBILITY ExactVersion)
-	
+
 	install(FILES
 	    ${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfig.cmake
 	    ${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfigVersion.cmake

From 021adda29a7f2b17a48d5fc3ce068b6d9e4c3435 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 18 Nov 2024 08:06:40 +0900
Subject: [PATCH 421/581] gltfpack: Introduce artificial seam edges on UV flips

When two triangles with reverse UV direction meet, an edge between them
needs to be a seam edge. This makes sure that UV does not degrade by
preventing the collapses that go across different UV directions.

Ideally this should be implemented inside meshopt library at some point,
but it requires a separate function and some way to make possibly-manifold
vertices "seam" which may run into issues with the seam handling logic.

So for now, pre-process the mesh by splitting vertices in gltfpack, and
remap triangles with negative UV area to use the newly created vertices.
The number of these vertices is generally low.
---
 gltf/mesh.cpp | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index ae44322f3e..54616db5fb 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -762,6 +762,71 @@ static void simplifyAttributes(std::vector<float>& attrs, float* attrw, size_t s
 	}
 }
 
+static void simplifyUvSplit(Mesh& mesh)
+{
+	assert(mesh.type == cgltf_primitive_type_triangles);
+	assert(!mesh.indices.empty());
+
+	const Stream* uv = getStream(mesh, cgltf_attribute_type_texcoord);
+	if (!uv)
+		return;
+
+	size_t vertex_count = uv->data.size();
+
+	std::vector<unsigned char> uvsign(mesh.indices.size() / 3);
+	std::vector<unsigned char> flipseam(vertex_count);
+
+	for (size_t i = 0; i < mesh.indices.size(); i += 3)
+	{
+		unsigned int a = mesh.indices[i + 0];
+		unsigned int b = mesh.indices[i + 1];
+		unsigned int c = mesh.indices[i + 2];
+
+		const Attr& va = uv->data[a];
+		const Attr& vb = uv->data[b];
+		const Attr& vc = uv->data[c];
+
+		float uvarea = (vb.f[0] - va.f[0]) * (vc.f[1] - va.f[1]) - (vc.f[0] - va.f[0]) * (vb.f[1] - va.f[1]);
+		unsigned char flag = uvarea > 0 ? 1 : (uvarea < 0 ? 2 : 0);
+
+		uvsign[i / 3] = flag;
+		flipseam[a] |= flag;
+		flipseam[b] |= flag;
+		flipseam[c] |= flag;
+	}
+
+	std::vector<unsigned int> split(vertex_count);
+	size_t splits = 0;
+
+	for (size_t i = 0; i < vertex_count; ++i)
+	{
+		if (flipseam[i] == 3)
+		{
+			split[i] = unsigned(vertex_count + splits);
+			splits++;
+
+			for (size_t k = 0; k < mesh.streams.size(); ++k)
+				mesh.streams[k].data.push_back(mesh.streams[k].data[i]);
+		}
+	}
+
+	for (size_t i = 0; i < mesh.indices.size(); i += 3)
+	{
+		unsigned int a = mesh.indices[i + 0];
+		unsigned int b = mesh.indices[i + 1];
+		unsigned int c = mesh.indices[i + 2];
+
+		unsigned char sign = uvsign[i / 3];
+
+		if (flipseam[a] == 3 && sign == 2)
+			mesh.indices[i + 0] = split[a];
+		if (flipseam[b] == 3 && sign == 2)
+			mesh.indices[i + 1] = split[b];
+		if (flipseam[c] == 3 && sign == 2)
+			mesh.indices[i + 2] = split[c];
+	}
+}
+
 static void simplifyMesh(Mesh& mesh, float threshold, float error, bool attributes, bool aggressive, bool lock_borders, bool debug = false)
 {
 	enum
@@ -778,6 +843,9 @@ static void simplifyMesh(Mesh& mesh, float threshold, float error, bool attribut
 	if (!positions)
 		return;
 
+	if (attributes)
+		simplifyUvSplit(mesh);
+
 	size_t vertex_count = mesh.streams[0].data.size();
 
 	size_t target_index_count = size_t(double(size_t(mesh.indices.size() / 3)) * threshold) * 3;

From 46c9b3754ae11fe07bf996d36bc07bf22d3269ed Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 18 Nov 2024 08:09:29 +0900
Subject: [PATCH 422/581] gltfpack: Remove split vertices after simplification

After simplification concludes, the simplified mesh is still using the
split vertices, which results in a higher number of vertices overall as
we do not reindex the mesh after simplification. We do optimize it, which
includes removal of unused vertices, so it's sufficient to change the index
buffer after simplification to refer to the original copy of the split.
---
 gltf/mesh.cpp | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 54616db5fb..280164662b 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -762,7 +762,7 @@ static void simplifyAttributes(std::vector<float>& attrs, float* attrw, size_t s
 	}
 }
 
-static void simplifyUvSplit(Mesh& mesh)
+static void simplifyUvSplit(Mesh& mesh, std::vector<unsigned int>& remap)
 {
 	assert(mesh.type == cgltf_primitive_type_triangles);
 	assert(!mesh.indices.empty());
@@ -798,10 +798,17 @@ static void simplifyUvSplit(Mesh& mesh)
 	std::vector<unsigned int> split(vertex_count);
 	size_t splits = 0;
 
+	remap.resize(vertex_count);
+
 	for (size_t i = 0; i < vertex_count; ++i)
 	{
+		remap[i] = unsigned(i);
+
 		if (flipseam[i] == 3)
 		{
+			assert(remap.size() == vertex_count + splits);
+			remap.push_back(unsigned(i));
+
 			split[i] = unsigned(vertex_count + splits);
 			splits++;
 
@@ -843,8 +850,9 @@ static void simplifyMesh(Mesh& mesh, float threshold, float error, bool attribut
 	if (!positions)
 		return;
 
+	std::vector<unsigned int> uvremap;
 	if (attributes)
-		simplifyUvSplit(mesh);
+		simplifyUvSplit(mesh, uvremap);
 
 	size_t vertex_count = mesh.streams[0].data.size();
 
@@ -887,6 +895,9 @@ static void simplifyMesh(Mesh& mesh, float threshold, float error, bool attribut
 		indices.resize(meshopt_simplifySloppy(&indices[0], &mesh.indices[0], mesh.indices.size(), positions->data[0].f, vertex_count, sizeof(Attr), target_index_count, target_error_aggressive));
 		mesh.indices.swap(indices);
 	}
+
+	if (uvremap.size() && mesh.indices.size())
+		meshopt_remapIndexBuffer(&mesh.indices[0], &mesh.indices[0], mesh.indices.size(), &uvremap[0]);
 }
 
 static void optimizeMesh(Mesh& mesh, bool compressmore)

From 47550b85b025f5e9e638967c1a4314bb4a4ee7a4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 19 Nov 2024 07:20:18 +0900
Subject: [PATCH 423/581] gltfpack: Fix debugSimplify when UV splitting is used

We can't do the final remap when using debug metadata as the index
values contain extra bits; it's safe to omit this as the remap simply
reduces the number of used vertices.
---
 gltf/mesh.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index 280164662b..c691b48b7b 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -896,7 +896,7 @@ static void simplifyMesh(Mesh& mesh, float threshold, float error, bool attribut
 		mesh.indices.swap(indices);
 	}
 
-	if (uvremap.size() && mesh.indices.size())
+	if (uvremap.size() && mesh.indices.size() && !debug)
 		meshopt_remapIndexBuffer(&mesh.indices[0], &mesh.indices[0], mesh.indices.size(), &uvremap[0]);
 }
 
@@ -1127,8 +1127,6 @@ void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio, fl
 	reindexMesh(mesh, quantize_tbn);
 	filterTriangles(mesh);
 
-	size_t vertex_count = mesh.streams[0].data.size();
-
 	simplifyMesh(mesh, ratio, error, attributes, /* aggressive= */ false, /* lock_borders= */ false, /* debug= */ true);
 
 	// color palette for display
@@ -1158,6 +1156,8 @@ void debugSimplify(const Mesh& source, Mesh& kinds, Mesh& loops, float ratio, fl
 		}
 	}
 
+	size_t vertex_count = mesh.streams[0].data.size();
+
 	// transform kind/loop data into lines & points
 	Stream colors = {cgltf_attribute_type_color};
 	colors.data.resize(vertex_count, kPalette[0]);

From a4f1545f81e101cf73122a837d07cd43f590964b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 19 Nov 2024 10:14:46 +0900
Subject: [PATCH 424/581] gltfpack: Do not generate debug meshes for
 points/lines

Both simplification debugging and meshlet debugging are only available for
triangle meshes; we now skip non-triangle meshes to avoid assertions.
---
 gltf/gltfpack.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index a3ec5a60af..a61f057c98 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -409,6 +409,9 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	{
 		const Mesh& mesh = meshes[i];
 
+		if (mesh.type != cgltf_primitive_type_triangles)
+			continue;
+
 		if (settings.simplify_debug > 0)
 		{
 			Mesh kinds = {};

From b2437758c54e3ec612c70b66e644a931c8f4eafc Mon Sep 17 00:00:00 2001
From: Julien Dupuy <111880272+JulienIcon@users.noreply.github.com>
Date: Fri, 22 Nov 2024 23:56:07 +0100
Subject: [PATCH 425/581] gltfpack: Take account of primitive extras (#802)

When -ke is specified, preserve primitive and scene extras, and disable merge/dedup of primitives with extras.
---
 gltf/gltfpack.cpp  |  7 +++++--
 gltf/gltfpack.h    |  7 +++++--
 gltf/material.cpp  | 16 ++++++++--------
 gltf/mesh.cpp      | 15 +++++++++++----
 gltf/parsegltf.cpp |  2 ++
 gltf/write.cpp     |  4 +++-
 6 files changed, 34 insertions(+), 17 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index a61f057c98..015ec0e0fa 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -360,7 +360,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 
 	mergeMeshMaterials(data, meshes, settings);
 	if (settings.mesh_dedup)
-		dedupMeshes(meshes);
+		dedupMeshes(meshes, settings);
 
 	for (size_t i = 0; i < meshes.size(); ++i)
 		detachMesh(meshes[i], data, nodes, settings);
@@ -661,6 +661,9 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 				append(json_meshes, "]}}");
 			}
 
+			if (settings.keep_extras)
+				writeExtras(json_meshes, prim.extras);
+
 			append(json_meshes, "}");
 		}
 
@@ -893,7 +896,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		append(json, ",\"scenes\":[");
 
 		for (size_t i = 0; i < data->scenes_count; ++i)
-			writeScene(json, data->scenes[i], json_roots[i]);
+			writeScene(json, data->scenes[i], json_roots[i], settings);
 
 		append(json, "]");
 	}
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 9644d3862b..86ffdcc482 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -52,6 +52,8 @@ struct Mesh
 	cgltf_material* material;
 	cgltf_skin* skin;
 
+	cgltf_extras extras;
+
 	cgltf_primitive_type type;
 
 	std::vector<Stream> streams;
@@ -319,12 +321,13 @@ bool compareMeshVariants(const Mesh& lhs, const Mesh& rhs);
 bool compareMeshNodes(const Mesh& lhs, const Mesh& rhs);
 
 void hashMesh(Mesh& mesh);
-void dedupMeshes(std::vector<Mesh>& meshes);
+void dedupMeshes(std::vector<Mesh>& meshes, const Settings& settings);
 void mergeMeshInstances(Mesh& mesh);
 void mergeMeshes(std::vector<Mesh>& meshes, const Settings& settings);
 void filterEmptyMeshes(std::vector<Mesh>& meshes);
 void filterStreams(Mesh& mesh, const MaterialInfo& mi);
 
+bool areExtrasEqual(const cgltf_extras& lhs, const cgltf_extras& rhs);
 void mergeMeshMaterials(cgltf_data* data, std::vector<Mesh>& meshes, const Settings& settings);
 void markNeededMaterials(cgltf_data* data, std::vector<MaterialInfo>& materials, const std::vector<Mesh>& meshes, const Settings& settings);
 
@@ -397,7 +400,7 @@ void writeLight(std::string& json, const cgltf_light& light);
 void writeArray(std::string& json, const char* name, const std::string& contents);
 void writeExtensions(std::string& json, const ExtensionInfo* extensions, size_t count);
 void writeExtras(std::string& json, const cgltf_extras& extras);
-void writeScene(std::string& json, const cgltf_scene& scene, const std::string& roots);
+void writeScene(std::string& json, const cgltf_scene& scene, const std::string& roots, const Settings& settings);
 
 /**
  * Copyright (c) 2016-2024 Arseny Kapoulkine
diff --git a/gltf/material.cpp b/gltf/material.cpp
index 68d5610c85..23343dec81 100644
--- a/gltf/material.cpp
+++ b/gltf/material.cpp
@@ -55,14 +55,6 @@ static bool areTextureViewsEqual(const cgltf_texture_view& lhs, const cgltf_text
 	return true;
 }
 
-static bool areExtrasEqual(const cgltf_extras& lhs, const cgltf_extras& rhs)
-{
-	if (lhs.data && rhs.data)
-		return strcmp(lhs.data, rhs.data) == 0;
-	else
-		return lhs.data == rhs.data;
-}
-
 static bool areMaterialComponentsEqual(const cgltf_pbr_metallic_roughness& lhs, const cgltf_pbr_metallic_roughness& rhs)
 {
 	if (!areTextureViewsEqual(lhs.base_color_texture, rhs.base_color_texture))
@@ -576,6 +568,14 @@ static bool shouldKeepAlpha(const cgltf_texture_view& color, float alpha, cgltf_
 	return image && getChannels(*image, images[image - data->images], input_path) == 4;
 }
 
+bool areExtrasEqual(const cgltf_extras& lhs, const cgltf_extras& rhs)
+{
+	if (lhs.data && rhs.data)
+		return strcmp(lhs.data, rhs.data) == 0;
+	else
+		return lhs.data == rhs.data;
+}
+
 void optimizeMaterials(cgltf_data* data, const char* input_path, std::vector<ImageInfo>& images)
 {
 	for (size_t i = 0; i < data->materials_count; ++i)
diff --git a/gltf/mesh.cpp b/gltf/mesh.cpp
index c691b48b7b..d5c744a591 100644
--- a/gltf/mesh.cpp
+++ b/gltf/mesh.cpp
@@ -238,6 +238,9 @@ static bool canMergeMeshes(const Mesh& lhs, const Mesh& rhs, const Settings& set
 	if (lhs.streams.size() != rhs.streams.size())
 		return false;
 
+	if (settings.keep_extras && !areExtrasEqual(lhs.extras, rhs.extras))
+		return false;
+
 	for (size_t i = 0; i < lhs.streams.size(); ++i)
 		if (lhs.streams[i].type != rhs.streams[i].type || lhs.streams[i].index != rhs.streams[i].index || lhs.streams[i].target != rhs.streams[i].target)
 			return false;
@@ -337,7 +340,7 @@ void hashMesh(Mesh& mesh)
 	hashUpdate(mesh.geometry_hash, meta, sizeof(meta));
 }
 
-static bool canDedupMesh(const Mesh& mesh)
+static bool canDedupMesh(const Mesh& mesh, const Settings& settings)
 {
 	// empty mesh
 	if (mesh.streams.empty())
@@ -347,6 +350,10 @@ static bool canDedupMesh(const Mesh& mesh)
 	if (mesh.nodes.empty() && mesh.instances.empty())
 		return false;
 
+	// has extras
+	if (settings.keep_extras && mesh.extras.data)
+		return false;
+
 	// to simplify dedup we ignore complex target setups for now
 	if (!mesh.target_weights.empty() || !mesh.target_names.empty() || !mesh.variants.empty())
 		return false;
@@ -354,7 +361,7 @@ static bool canDedupMesh(const Mesh& mesh)
 	return true;
 }
 
-void dedupMeshes(std::vector<Mesh>& meshes)
+void dedupMeshes(std::vector<Mesh>& meshes, const Settings& settings)
 {
 	std::unordered_map<uint64_t, int> hashes;
 
@@ -370,7 +377,7 @@ void dedupMeshes(std::vector<Mesh>& meshes)
 	{
 		Mesh& target = meshes[i];
 
-		if (!canDedupMesh(target))
+		if (!canDedupMesh(target, settings))
 			continue;
 
 		if (hashes[target.geometry_hash[0] ^ target.geometry_hash[1]] <= 1)
@@ -383,7 +390,7 @@ void dedupMeshes(std::vector<Mesh>& meshes)
 			if (mesh.geometry_hash[0] != target.geometry_hash[0] || mesh.geometry_hash[1] != target.geometry_hash[1])
 				continue;
 
-			if (!canDedupMesh(mesh))
+			if (!canDedupMesh(mesh, settings))
 				continue;
 
 			if (mesh.scene != target.scene || mesh.material != target.material || mesh.skin != target.skin)
diff --git a/gltf/parsegltf.cpp b/gltf/parsegltf.cpp
index 7d14be33f2..fe9826dbd5 100644
--- a/gltf/parsegltf.cpp
+++ b/gltf/parsegltf.cpp
@@ -180,6 +180,8 @@ static void parseMeshesGltf(cgltf_data* data, std::vector<Mesh>& meshes, std::ve
 
 			result.material = primitive.material;
 
+			result.extras = primitive.extras;
+
 			result.type = primitive.type;
 
 			result.streams.reserve(primitive.attributes_count);
diff --git a/gltf/write.cpp b/gltf/write.cpp
index e76591ebfa..51845d3242 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -1610,7 +1610,7 @@ void writeExtras(std::string& json, const cgltf_extras& extras)
 	appendJson(json, extras.data);
 }
 
-void writeScene(std::string& json, const cgltf_scene& scene, const std::string& roots)
+void writeScene(std::string& json, const cgltf_scene& scene, const std::string& roots, const Settings& settings)
 {
 	comma(json);
 	append(json, "{");
@@ -1627,5 +1627,7 @@ void writeScene(std::string& json, const cgltf_scene& scene, const std::string&
 		append(json, roots);
 		append(json, "]");
 	}
+	if (settings.keep_extras)
+		writeExtras(json, scene.extras);
 	append(json, "}");
 }

From 1bd123281be1814455b09b282c8f85a8fab727f8 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 23 Nov 2024 07:56:46 +0900
Subject: [PATCH 426/581] extern: Update cgltf with
 KHR_materials_diffuse_transmission support

See https://github.com/jkuhlmann/cgltf/pull/179
---
 extern/cgltf.h | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/extern/cgltf.h b/extern/cgltf.h
index 36fd644e11..6fb3178d1d 100644
--- a/extern/cgltf.h
+++ b/extern/cgltf.h
@@ -500,6 +500,14 @@ typedef struct cgltf_iridescence
 	cgltf_texture_view iridescence_thickness_texture;
 } cgltf_iridescence;
 
+typedef struct cgltf_diffuse_transmission
+{
+	cgltf_texture_view diffuse_transmission_texture;
+	cgltf_float diffuse_transmission_factor;
+	cgltf_float diffuse_transmission_color_factor[3];
+	cgltf_texture_view diffuse_transmission_color_texture;
+} cgltf_diffuse_transmission;
+
 typedef struct cgltf_anisotropy
 {
 	cgltf_float anisotropy_strength;
@@ -525,6 +533,7 @@ typedef struct cgltf_material
 	cgltf_bool has_sheen;
 	cgltf_bool has_emissive_strength;
 	cgltf_bool has_iridescence;
+	cgltf_bool has_diffuse_transmission;
 	cgltf_bool has_anisotropy;
 	cgltf_bool has_dispersion;
 	cgltf_pbr_metallic_roughness pbr_metallic_roughness;
@@ -537,6 +546,7 @@ typedef struct cgltf_material
 	cgltf_volume volume;
 	cgltf_emissive_strength emissive_strength;
 	cgltf_iridescence iridescence;
+	cgltf_diffuse_transmission diffuse_transmission;
 	cgltf_anisotropy anisotropy;
 	cgltf_dispersion dispersion;
 	cgltf_texture_view normal_texture;
@@ -4278,6 +4288,51 @@ static int cgltf_parse_json_iridescence(cgltf_options* options, jsmntok_t const*
 	return i;
 }
 
+static int cgltf_parse_json_diffuse_transmission(cgltf_options* options, jsmntok_t const* tokens, int i, const uint8_t* json_chunk, cgltf_diffuse_transmission* out_diff_transmission)
+{
+	CGLTF_CHECK_TOKTYPE(tokens[i], JSMN_OBJECT);
+	int size = tokens[i].size;
+	++i;
+
+	// Defaults
+	cgltf_fill_float_array(out_diff_transmission->diffuse_transmission_color_factor, 3, 1.0f);
+
+	for (int j = 0; j < size; ++j)
+	{
+		CGLTF_CHECK_KEY(tokens[i]);
+
+		if (cgltf_json_strcmp(tokens + i, json_chunk, "diffuseTransmissionFactor") == 0)
+		{
+			++i;
+			out_diff_transmission->diffuse_transmission_factor = cgltf_json_to_float(tokens + i, json_chunk);
+			++i;
+		}
+		else if (cgltf_json_strcmp(tokens + i, json_chunk, "diffuseTransmissionTexture") == 0)
+		{
+			i = cgltf_parse_json_texture_view(options, tokens, i + 1, json_chunk, &out_diff_transmission->diffuse_transmission_texture);
+		}
+		else if (cgltf_json_strcmp(tokens + i, json_chunk, "diffuseTransmissionColorFactor") == 0)
+		{
+			i = cgltf_parse_json_float_array(tokens, i + 1, json_chunk, out_diff_transmission->diffuse_transmission_color_factor, 3);
+		}
+		else if (cgltf_json_strcmp(tokens + i, json_chunk, "diffuseTransmissionColorTexture") == 0)
+		{
+			i = cgltf_parse_json_texture_view(options, tokens, i + 1, json_chunk, &out_diff_transmission->diffuse_transmission_color_texture);
+		}
+		else
+		{
+			i = cgltf_skip_json(tokens, i + 1);
+		}
+
+		if (i < 0)
+		{
+			return i;
+		}
+	}
+
+	return i;
+}
+
 static int cgltf_parse_json_anisotropy(cgltf_options* options, jsmntok_t const* tokens, int i, const uint8_t* json_chunk, cgltf_anisotropy* out_anisotropy)
 {
 	CGLTF_CHECK_TOKTYPE(tokens[i], JSMN_OBJECT);
@@ -4766,6 +4821,11 @@ static int cgltf_parse_json_material(cgltf_options* options, jsmntok_t const* to
 					out_material->has_iridescence = 1;
 					i = cgltf_parse_json_iridescence(options, tokens, i + 1, json_chunk, &out_material->iridescence);
 				}
+				else if (cgltf_json_strcmp(tokens + i, json_chunk, "KHR_materials_diffuse_transmission") == 0)
+				{
+					out_material->has_diffuse_transmission = 1;
+					i = cgltf_parse_json_diffuse_transmission(options, tokens, i + 1, json_chunk, &out_material->diffuse_transmission);
+				}
 				else if (cgltf_json_strcmp(tokens + i, json_chunk, "KHR_materials_anisotropy") == 0)
 				{
 					out_material->has_anisotropy = 1;
@@ -6629,6 +6689,9 @@ static int cgltf_fixup_pointers(cgltf_data* data)
 		CGLTF_PTRFIXUP(data->materials[i].iridescence.iridescence_texture.texture, data->textures, data->textures_count);
 		CGLTF_PTRFIXUP(data->materials[i].iridescence.iridescence_thickness_texture.texture, data->textures, data->textures_count);
 
+		CGLTF_PTRFIXUP(data->materials[i].diffuse_transmission.diffuse_transmission_texture.texture, data->textures, data->textures_count);
+		CGLTF_PTRFIXUP(data->materials[i].diffuse_transmission.diffuse_transmission_color_texture.texture, data->textures, data->textures_count);
+
 		CGLTF_PTRFIXUP(data->materials[i].anisotropy.anisotropy_texture.texture, data->textures, data->textures_count);
 	}
 

From c98251f83a38442f7097753b29177a1349d17646 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 23 Nov 2024 07:58:46 +0900
Subject: [PATCH 427/581] gltfpack: Implement support for
 KHR_materials_diffuse_transmission

Specification:
https://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_materials_diffuse_transmission/README.md
---
 gltf/README.md    |  1 +
 gltf/gltfpack.cpp |  3 +++
 gltf/material.cpp | 29 +++++++++++++++++++++++++++++
 gltf/write.cpp    | 38 +++++++++++++++++++++++++++++++++++++-
 4 files changed, 70 insertions(+), 1 deletion(-)

diff --git a/gltf/README.md b/gltf/README.md
index 4b278676ac..aed8042f1f 100644
--- a/gltf/README.md
+++ b/gltf/README.md
@@ -69,6 +69,7 @@ gltfpack supports most Khronos extensions and some multi-vendor extensions in th
 - KHR_lights_punctual
 - KHR_materials_anisotropy
 - KHR_materials_clearcoat
+- KHR_materials_diffuse_transmission
 - KHR_materials_dispersion
 - KHR_materials_emissive_strength
 - KHR_materials_ior
diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index a61f057c98..31327ac55e 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -480,6 +480,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	bool ext_iridescence = false;
 	bool ext_anisotropy = false;
 	bool ext_dispersion = false;
+	bool ext_diffuse_transmission = false;
 	bool ext_unlit = false;
 	bool ext_instancing = false;
 	bool ext_texture_transform = false;
@@ -574,6 +575,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 		ext_volume = ext_volume || material.has_volume;
 		ext_emissive_strength = ext_emissive_strength || material.has_emissive_strength;
 		ext_iridescence = ext_iridescence || material.has_iridescence;
+		ext_diffuse_transmission = ext_diffuse_transmission || material.has_diffuse_transmission;
 		ext_anisotropy = ext_anisotropy || material.has_anisotropy;
 		ext_dispersion = ext_dispersion || material.has_dispersion;
 		ext_unlit = ext_unlit || material.unlit;
@@ -856,6 +858,7 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 	    {"KHR_materials_iridescence", ext_iridescence, false},
 	    {"KHR_materials_anisotropy", ext_anisotropy, false},
 	    {"KHR_materials_dispersion", ext_dispersion, false},
+	    {"KHR_materials_diffuse_transmission", ext_diffuse_transmission, false},
 	    {"KHR_materials_unlit", ext_unlit, false},
 	    {"KHR_materials_variants", data->variants_count > 0, false},
 	    {"KHR_lights_punctual", data->lights_count > 0, false},
diff --git a/gltf/material.cpp b/gltf/material.cpp
index 68d5610c85..ff52397c47 100644
--- a/gltf/material.cpp
+++ b/gltf/material.cpp
@@ -246,6 +246,23 @@ static bool areMaterialComponentsEqual(const cgltf_dispersion& lhs, const cgltf_
 	return true;
 }
 
+static bool areMaterialComponentsEqual(const cgltf_diffuse_transmission& lhs, const cgltf_diffuse_transmission& rhs)
+{
+	if (lhs.diffuse_transmission_factor != rhs.diffuse_transmission_factor)
+		return false;
+
+	if (memcmp(lhs.diffuse_transmission_color_factor, rhs.diffuse_transmission_color_factor, sizeof(cgltf_float) * 3) != 0)
+		return false;
+
+	if (!areTextureViewsEqual(lhs.diffuse_transmission_texture, rhs.diffuse_transmission_texture))
+		return false;
+
+	if (!areTextureViewsEqual(lhs.diffuse_transmission_color_texture, rhs.diffuse_transmission_color_texture))
+		return false;
+
+	return true;
+}
+
 static bool areMaterialsEqual(const cgltf_material& lhs, const cgltf_material& rhs, const Settings& settings)
 {
 	if (lhs.has_pbr_metallic_roughness != rhs.has_pbr_metallic_roughness)
@@ -320,6 +337,12 @@ static bool areMaterialsEqual(const cgltf_material& lhs, const cgltf_material& r
 	if (lhs.has_dispersion && !areMaterialComponentsEqual(lhs.dispersion, rhs.dispersion))
 		return false;
 
+	if (lhs.has_diffuse_transmission != rhs.has_diffuse_transmission)
+		return false;
+
+	if (lhs.has_diffuse_transmission && !areMaterialComponentsEqual(lhs.diffuse_transmission, rhs.diffuse_transmission))
+		return false;
+
 	if (!areTextureViewsEqual(lhs.normal_texture, rhs.normal_texture))
 		return false;
 
@@ -535,6 +558,12 @@ static void analyzeMaterial(const cgltf_material& material, MaterialInfo& mi, cg
 		analyzeMaterialTexture(material.anisotropy.anisotropy_texture, TextureKind_Normal, mi, data, textures, images);
 	}
 
+	if (material.has_diffuse_transmission)
+	{
+		analyzeMaterialTexture(material.diffuse_transmission.diffuse_transmission_texture, TextureKind_Attrib, mi, data, textures, images);
+		analyzeMaterialTexture(material.diffuse_transmission.diffuse_transmission_color_texture, TextureKind_Color, mi, data, textures, images);
+	}
+
 	analyzeMaterialTexture(material.normal_texture, TextureKind_Normal, mi, data, textures, images);
 	analyzeMaterialTexture(material.occlusion_texture, TextureKind_Attrib, mi, data, textures, images);
 	analyzeMaterialTexture(material.emissive_texture, TextureKind_Color, mi, data, textures, images);
diff --git a/gltf/write.cpp b/gltf/write.cpp
index e76591ebfa..2536b4d18e 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -550,6 +550,37 @@ static void writeMaterialComponent(std::string& json, const cgltf_data* data, co
 	append(json, "}");
 }
 
+static void writeMaterialComponent(std::string& json, const cgltf_data* data, const cgltf_diffuse_transmission& tm, const QuantizationTexture* qt, std::vector<TextureInfo>& textures)
+{
+	comma(json);
+	append(json, "\"KHR_materials_diffuse_transmission\":{");
+	if (tm.diffuse_transmission_factor != 0)
+	{
+		comma(json);
+		append(json, "\"diffuseTransmissionFactor\":");
+		append(json, tm.diffuse_transmission_factor);
+	}
+	if (tm.diffuse_transmission_texture.texture)
+	{
+		comma(json);
+		append(json, "\"diffuseTransmissionTexture\":");
+		writeTextureInfo(json, data, tm.diffuse_transmission_texture, qt, textures);
+	}
+	if (memcmp(tm.diffuse_transmission_color_factor, white, sizeof(float) * 3) != 0)
+	{
+		comma(json);
+		append(json, "\"diffuseTransmissionColorFactor\":");
+		append(json, tm.diffuse_transmission_color_factor, 3);
+	}
+	if (tm.diffuse_transmission_color_texture.texture)
+	{
+		comma(json);
+		append(json, "\"diffuseTransmissionColorTexture\":");
+		writeTextureInfo(json, data, tm.diffuse_transmission_color_texture, qt, textures);
+	}
+	append(json, "}");
+}
+
 void writeMaterial(std::string& json, const cgltf_data* data, const cgltf_material& material, const QuantizationPosition* qp, const QuantizationTexture* qt, std::vector<TextureInfo>& textures)
 {
 	if (material.name && *material.name)
@@ -614,7 +645,9 @@ void writeMaterial(std::string& json, const cgltf_data* data, const cgltf_materi
 		append(json, "\"doubleSided\":true");
 	}
 
-	if (material.has_pbr_specular_glossiness || material.has_clearcoat || material.has_transmission || material.has_ior || material.has_specular || material.has_sheen || material.has_volume || material.has_emissive_strength || material.has_iridescence || material.has_anisotropy || material.has_dispersion || material.unlit)
+	if (material.has_pbr_specular_glossiness || material.has_clearcoat || material.has_transmission || material.has_ior || material.has_specular ||
+	    material.has_sheen || material.has_volume || material.has_emissive_strength || material.has_iridescence || material.has_anisotropy ||
+	    material.has_dispersion || material.has_diffuse_transmission || material.unlit)
 	{
 		comma(json);
 		append(json, "\"extensions\":{");
@@ -652,6 +685,9 @@ void writeMaterial(std::string& json, const cgltf_data* data, const cgltf_materi
 		if (material.has_dispersion)
 			writeMaterialComponent(json, data, material.dispersion);
 
+		if (material.has_diffuse_transmission)
+			writeMaterialComponent(json, data, material.diffuse_transmission, qt, textures);
+
 		if (material.unlit)
 		{
 			comma(json);

From bab69978d8f035ff32d6b5e7efb64196e284508c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 23 Nov 2024 08:13:50 +0900
Subject: [PATCH 428/581] gltfpack: Move areExtrasEqual to parsegltf.cpp

Avoid the dependency between material and mesh processing code.
---
 gltf/gltfpack.h    | 3 ++-
 gltf/material.cpp  | 8 --------
 gltf/parsegltf.cpp | 8 ++++++++
 3 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 86ffdcc482..1510ef394b 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -310,6 +310,8 @@ cgltf_data* parseGltf(const char* path, std::vector<Mesh>& meshes, std::vector<A
 
 cgltf_data* parseGlb(const void* buffer, size_t size, std::vector<Mesh>& meshes, std::vector<Animation>& animations, const char** error);
 
+bool areExtrasEqual(const cgltf_extras& lhs, const cgltf_extras& rhs);
+
 void processAnimation(Animation& animation, const Settings& settings);
 void processMesh(Mesh& mesh, const Settings& settings);
 
@@ -327,7 +329,6 @@ void mergeMeshes(std::vector<Mesh>& meshes, const Settings& settings);
 void filterEmptyMeshes(std::vector<Mesh>& meshes);
 void filterStreams(Mesh& mesh, const MaterialInfo& mi);
 
-bool areExtrasEqual(const cgltf_extras& lhs, const cgltf_extras& rhs);
 void mergeMeshMaterials(cgltf_data* data, std::vector<Mesh>& meshes, const Settings& settings);
 void markNeededMaterials(cgltf_data* data, std::vector<MaterialInfo>& materials, const std::vector<Mesh>& meshes, const Settings& settings);
 
diff --git a/gltf/material.cpp b/gltf/material.cpp
index 23343dec81..2835d8554f 100644
--- a/gltf/material.cpp
+++ b/gltf/material.cpp
@@ -568,14 +568,6 @@ static bool shouldKeepAlpha(const cgltf_texture_view& color, float alpha, cgltf_
 	return image && getChannels(*image, images[image - data->images], input_path) == 4;
 }
 
-bool areExtrasEqual(const cgltf_extras& lhs, const cgltf_extras& rhs)
-{
-	if (lhs.data && rhs.data)
-		return strcmp(lhs.data, rhs.data) == 0;
-	else
-		return lhs.data == rhs.data;
-}
-
 void optimizeMaterials(cgltf_data* data, const char* input_path, std::vector<ImageInfo>& images)
 {
 	for (size_t i = 0; i < data->materials_count; ++i)
diff --git a/gltf/parsegltf.cpp b/gltf/parsegltf.cpp
index fe9826dbd5..489b646953 100644
--- a/gltf/parsegltf.cpp
+++ b/gltf/parsegltf.cpp
@@ -648,3 +648,11 @@ cgltf_data* parseGlb(const void* buffer, size_t size, std::vector<Mesh>& meshes,
 
 	return parseGltf(data, result, meshes, animations, error);
 }
+
+bool areExtrasEqual(const cgltf_extras& lhs, const cgltf_extras& rhs)
+{
+	if (lhs.data && rhs.data)
+		return strcmp(lhs.data, rhs.data) == 0;
+	else
+		return lhs.data == rhs.data;
+}

From e4cdc5dc0839d8a62e298dbed310d0033db341e3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 3 Dec 2024 11:29:26 -0800
Subject: [PATCH 429/581] tools: Add -test mode to codectest

In this mode, we take a set of file paths, load each one and recompress
it. The file names should have the form:

	vN_sK_name_etc

... where N is the number of vertices and K is the vertex stride. Each
file may either be compressed using vertex codec or uncompressed. The
file will be decompressed, recompressed, and various stats will be
measured.

Right now this will return meaningless (zero) stats as the compression
algorithm is the same; this, however, will be useful to develop the next
version of vertex codec.
---
 tools/codectest.cpp | 140 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)

diff --git a/tools/codectest.cpp b/tools/codectest.cpp
index cebc2b0525..5905f70cbb 100644
--- a/tools/codectest.cpp
+++ b/tools/codectest.cpp
@@ -4,12 +4,140 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #ifdef _WIN32
 #include <fcntl.h>
 #include <io.h>
 #endif
 
+size_t measure(const char* cmd, const std::vector<unsigned char>& data)
+{
+	FILE* file = fopen("/tmp/codectest.in", "wb");
+	if (!file)
+		return 0;
+	fwrite(data.data(), data.size(), 1, file);
+	fclose(file);
+
+	char actualcmd[1024];
+	snprintf(actualcmd, sizeof(actualcmd), cmd, "/tmp/codectest.in", "/tmp/codectest.out");
+
+	int rc = system(actualcmd);
+	if (rc)
+		return 0;
+
+	file = fopen("/tmp/codectest.out", "rb");
+	if (!file)
+		return 0;
+	fseek(file, 0, SEEK_END);
+	long result = ftell(file);
+	fclose(file);
+
+	return result;
+}
+
+size_t measure_lz4(const std::vector<unsigned char>& data)
+{
+	return measure("lz4 -f -q %s %s", data);
+}
+
+size_t measure_zstd(const std::vector<unsigned char>& data)
+{
+	return measure("zstd -f -q %s -o %s", data);
+}
+
+struct Stats
+{
+	bool testz;
+	double v10_raw;
+	double v10_lz4;
+	double v10_zstd;
+	double count;
+};
+
+void testFile(FILE* file, size_t count, size_t stride, Stats* stats = 0)
+{
+	std::vector<unsigned char> input;
+	unsigned char buffer[4096];
+	size_t bytes_read;
+
+	while ((bytes_read = fread(buffer, 1, sizeof(buffer), file)) > 0)
+		input.insert(input.end(), buffer, buffer + bytes_read);
+
+	std::vector<unsigned char> decoded(count * stride);
+	int res = meshopt_decodeVertexBuffer(&decoded[0], count, stride, &input[0], input.size());
+	if (res != 0 && input.size() == decoded.size())
+	{
+		// some files are not encoded; encode them with v1 to let the rest of the flow proceed as is
+		memcpy(decoded.data(), input.data(), decoded.size());
+		input.resize(meshopt_encodeVertexBufferBound(count, stride));
+		input.resize(meshopt_encodeVertexBuffer(input.data(), input.size(), decoded.data(), count, stride));
+	}
+
+	std::vector<unsigned char> output(meshopt_encodeVertexBufferBound(count, stride));
+	output.resize(meshopt_encodeVertexBuffer(output.data(), output.size(), decoded.data(), count, stride));
+
+	printf(" raw %zu KB\t", decoded.size() / 1024);
+	printf(" v0 %.2f", double(input.size()) / double(decoded.size()));
+	printf(" v1 %.2f", double(output.size()) / double(decoded.size()));
+	printf(" v1/v0 %+.1f%%", double(output.size()) / double(input.size()) * 100 - 100);
+
+	if (stats)
+	{
+		stats->v10_raw += double(output.size()) / double(input.size()) - 1;
+		stats->count++;
+	}
+
+	if (stats && stats->testz)
+	{
+		size_t decoded_lz4 = measure_lz4(decoded);
+		size_t input_lz4 = measure_lz4(input);
+		size_t output_lz4 = measure_lz4(output);
+		size_t decoded_zstd = measure_zstd(decoded);
+		size_t input_zstd = measure_zstd(input);
+		size_t output_zstd = measure_zstd(output);
+
+		printf("\tlz4 %.2f:", double(decoded_lz4) / double(decoded.size()));
+		printf(" v0 %.2f", double(input_lz4) / double(decoded.size()));
+		printf(" v1 %.2f", double(output_lz4) / double(decoded.size()));
+		printf(" v1/v0 %+.1f%%", double(output_lz4) / double(input_lz4) * 100 - 100);
+
+		printf("\tzstd %.2f:", double(decoded_zstd) / double(decoded.size()));
+		printf(" v0 %.2f", double(input_zstd) / double(decoded.size()));
+		printf(" v1 %.2f", double(output_zstd) / double(decoded.size()));
+		printf(" v1/v0 %+.1f%%", double(output_zstd) / double(input_zstd) * 100 - 100);
+
+		stats->v10_lz4 += double(output_lz4) / double(input_lz4) - 1;
+		stats->v10_zstd += double(output_zstd) / double(input_zstd) - 1;
+	}
+}
+
+void testFile(const char* path, Stats* stats = 0)
+{
+	FILE* file = fopen(path, "rb");
+	if (!file)
+		return;
+
+	const char* name = strrchr(path, '/');
+	name = name ? name + 1 : path;
+
+	int vcnt, vsz;
+	int sr = sscanf(name, "v%d_s%d_", &vcnt, &vsz);
+	assert(sr == 2);
+	(void)sr;
+
+	const char* name0 = strchr(strchr(name, '_') + 1, '_') + 1;
+	const char* name1 = strstr(name0, "_R");
+	size_t namel = name1 ? name1 - name0 : strlen(name0);
+	namel = namel > 25 ? 25 : namel;
+
+	printf("%25.*s:", int(namel), name0);
+	testFile(file, vcnt, vsz, stats);
+	printf("\n");
+
+	fclose(file);
+}
+
 int main(int argc, char** argv)
 {
 #ifdef _WIN32
@@ -17,6 +145,18 @@ int main(int argc, char** argv)
 	_setmode(_fileno(stdout), _O_BINARY);
 #endif
 
+	if (argc > 1 && (strcmp(argv[1], "-test") == 0 || strcmp(argv[1], "-testz") == 0))
+	{
+		Stats stats = {};
+		stats.testz = strcmp(argv[1], "-testz") == 0;
+		for (int i = 2; i < argc; ++i)
+			testFile(argv[i], &stats);
+		printf("---\n");
+		printf("%d files: raw v1/v0 %+.2f%%, lz4 v1/v0 %+.2f%%, zstd v1/v0 %+.2f%%\n",
+		    int(stats.count), stats.v10_raw / stats.count * 100, stats.v10_lz4 / stats.count * 100, stats.v10_zstd / stats.count * 100);
+		return 0;
+	}
+
 	if (argc < 2 || argc > 3 || atoi(argv[1]) <= 0)
 	{
 		fprintf(stderr, "Usage: %s <stride> [<count>]\n", argv[0]);

From afbb153a34ec9fa6596911a7cacaf6f97f77487b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 3 Dec 2024 11:47:12 -0800
Subject: [PATCH 430/581] vertexcodec: Introduce an experimental version 0xe

This version is *not* for production; we allow to set it via the
official API to be able to test and incrementally develop it, but the
format will not be finalized for a while. When it is, the version number
will be changed to 1, and existing calls for 0xe / data with 0xe will
fail to encode/decode.
---
 src/vertexcodec.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 1dbd2e35f8..8ba92e67b4 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1250,7 +1250,8 @@ size_t meshopt_encodeVertexBufferBound(size_t vertex_count, size_t vertex_size)
 
 void meshopt_encodeVertexVersion(int version)
 {
-	assert(unsigned(version) <= 0);
+	// note: this version is experimental and the binary format is not finalized; this should not be used in production!
+	assert(unsigned(version) <= 0 || version == 0xe);
 
 	meshopt::gEncodeVertexVersion = version;
 }
@@ -1291,7 +1292,7 @@ int meshopt_decodeVertexBuffer(void* destination, size_t vertex_count, size_t ve
 		return -1;
 
 	int version = data_header & 0x0f;
-	if (version > 0)
+	if (version > 0 && version != 0xe)
 		return -1;
 
 	unsigned char last_vertex[256];

From 516c622763649a9e121ec4f5ab2a2f98474f9ab9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 3 Dec 2024 11:48:34 -0800
Subject: [PATCH 431/581] demo: Switch processDev to experimental codec
 encoding

Also update codectest to use 0xe to trigger the new version encoder.
---
 demo/main.cpp       | 15 ++++++++++-----
 tools/codectest.cpp |  2 ++
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 10e5f70cf6..4c300615c5 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -822,7 +822,7 @@ void packVertex(const Mesh& mesh, const char* pvn)
 }
 
 template <typename PV>
-void encodeVertex(const Mesh& mesh, const char* pvn)
+void encodeVertex(const Mesh& mesh, const char* pvn, bool validate = true)
 {
 	std::vector<PV> pv(mesh.vertices.size());
 	packMesh(pv, mesh.vertices);
@@ -838,12 +838,12 @@ void encodeVertex(const Mesh& mesh, const char* pvn)
 	double middle = timestamp();
 
 	int res = meshopt_decodeVertexBuffer(&result[0], mesh.vertices.size(), sizeof(PV), &vbuf[0], vbuf.size());
-	assert(res == 0);
+	assert(!validate || res == 0);
 	(void)res;
 
 	double end = timestamp();
 
-	assert(memcmp(&pv[0], &result[0], pv.size() * sizeof(PV)) == 0);
+	assert(!validate || memcmp(&pv[0], &result[0], pv.size() * sizeof(PV)) == 0);
 
 	size_t csize = compress(vbuf);
 
@@ -1398,8 +1398,13 @@ void processDev(const char* path)
 	if (!loadMesh(mesh, path))
 		return;
 
-	meshlets(mesh);
-	meshlets(mesh, /* scan= */ false, /* uniform= */ true);
+	Mesh copy = mesh;
+	meshopt_optimizeVertexCache(&copy.indices[0], &copy.indices[0], copy.indices.size(), copy.vertices.size());
+	meshopt_optimizeVertexFetch(&copy.vertices[0], &copy.indices[0], copy.indices.size(), &copy.vertices[0], copy.vertices.size(), sizeof(Vertex));
+
+	encodeVertex<PackedVertex>(copy, "0");
+	meshopt_encodeVertexVersion(0xe);
+	encodeVertex<PackedVertex>(copy, "1", /* validate= */ false);
 }
 
 void processNanite(const char* path)
diff --git a/tools/codectest.cpp b/tools/codectest.cpp
index 5905f70cbb..c9d31bb4cd 100644
--- a/tools/codectest.cpp
+++ b/tools/codectest.cpp
@@ -75,7 +75,9 @@ void testFile(FILE* file, size_t count, size_t stride, Stats* stats = 0)
 	}
 
 	std::vector<unsigned char> output(meshopt_encodeVertexBufferBound(count, stride));
+	meshopt_encodeVertexVersion(0xe);
 	output.resize(meshopt_encodeVertexBuffer(output.data(), output.size(), decoded.data(), count, stride));
+	meshopt_encodeVertexVersion(0);
 
 	printf(" raw %zu KB\t", decoded.size() / 1024);
 	printf(" v0 %.2f", double(input.size()) / double(decoded.size()));

From e29afefe95344e72ce5f5107465e2c0cac267db2 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 3 Dec 2024 11:59:46 -0800
Subject: [PATCH 432/581] vertexcodec: Extract delta decoding into a separate
 function

This makes the code flow easier to follow, and will make adjustments to
delta encoding easier to implement.
---
 src/vertexcodec.cpp | 129 ++++++++++++++++++++++++--------------------
 1 file changed, 70 insertions(+), 59 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 8ba92e67b4..a94c6d4c40 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -426,6 +426,23 @@ static const unsigned char* decodeBytes(const unsigned char* data, const unsigne
 	return data;
 }
 
+static void decodeDeltas1(const unsigned char* buffer, unsigned char* transposed, size_t vertex_count, size_t vertex_size, unsigned char last_vertex)
+{
+	size_t vertex_offset = 0;
+
+	unsigned char p = last_vertex;
+
+	for (size_t i = 0; i < vertex_count; ++i)
+	{
+		unsigned char v = unzigzag8(buffer[i]) + p;
+
+		transposed[vertex_offset] = v;
+		p = v;
+
+		vertex_offset += vertex_size;
+	}
+}
+
 static const unsigned char* decodeVertexBlock(const unsigned char* data, const unsigned char* data_end, unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256])
 {
 	assert(vertex_count > 0 && vertex_count <= kVertexBlockMaxSize);
@@ -442,19 +459,7 @@ static const unsigned char* decodeVertexBlock(const unsigned char* data, const u
 		if (!data)
 			return NULL;
 
-		size_t vertex_offset = k;
-
-		unsigned char p = last_vertex[k];
-
-		for (size_t i = 0; i < vertex_count; ++i)
-		{
-			unsigned char v = unzigzag8(buffer[i]) + p;
-
-			transposed[vertex_offset] = v;
-			p = v;
-
-			vertex_offset += vertex_size;
-		}
+		decodeDeltas1(buffer, transposed + k, vertex_count, vertex_size, last_vertex[k]);
 	}
 
 	memcpy(vertex_data, transposed, vertex_count * vertex_size);
@@ -1025,27 +1030,11 @@ static const unsigned char* decodeBytesSimd(const unsigned char* data, const uns
 }
 
 SIMD_TARGET
-static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, const unsigned char* data_end, unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256])
+static void decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t vertex_count_aligned, size_t vertex_size, unsigned char last_vertex[4])
 {
-	assert(vertex_count > 0 && vertex_count <= kVertexBlockMaxSize);
-
-	unsigned char buffer[kVertexBlockMaxSize * 4];
-	unsigned char transposed[kVertexBlockSizeBytes];
-
-	size_t vertex_count_aligned = (vertex_count + kByteGroupSize - 1) & ~(kByteGroupSize - 1);
-
-	for (size_t k = 0; k < vertex_size; k += 4)
-	{
-		for (size_t j = 0; j < 4; ++j)
-		{
-			data = decodeBytesSimd(data, data_end, buffer + j * vertex_count_aligned, vertex_count_aligned);
-			if (!data)
-				return NULL;
-		}
-
 #if defined(SIMD_SSE) || defined(SIMD_AVX)
 #define TEMP __m128i
-#define PREP() __m128i pi = _mm_cvtsi32_si128(*reinterpret_cast<const int*>(last_vertex + k))
+#define PREP() __m128i pi = _mm_cvtsi32_si128(*reinterpret_cast<const int*>(last_vertex))
 #define LOAD(i) __m128i r##i = _mm_loadu_si128(reinterpret_cast<const __m128i*>(buffer + j + i * vertex_count_aligned))
 #define GRP4(i) t0 = _mm_shuffle_epi32(r##i, 0), t1 = _mm_shuffle_epi32(r##i, 1), t2 = _mm_shuffle_epi32(r##i, 2), t3 = _mm_shuffle_epi32(r##i, 3)
 #define FIXD(i) t##i = pi = _mm_add_epi8(pi, t##i)
@@ -1054,7 +1043,7 @@ static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, con
 
 #ifdef SIMD_NEON
 #define TEMP uint8x8_t
-#define PREP() uint8x8_t pi = vreinterpret_u8_u32(vld1_lane_u32(reinterpret_cast<uint32_t*>(last_vertex + k), vdup_n_u32(0), 0))
+#define PREP() uint8x8_t pi = vreinterpret_u8_u32(vld1_lane_u32(reinterpret_cast<uint32_t*>(last_vertex), vdup_n_u32(0), 0))
 #define LOAD(i) uint8x16_t r##i = vld1q_u8(buffer + j + i * vertex_count_aligned)
 #define GRP4(i) t0 = vget_low_u8(r##i), t1 = vreinterpret_u8_u32(vdup_lane_u32(vreinterpret_u32_u8(t0), 1)), t2 = vget_high_u8(r##i), t3 = vreinterpret_u8_u32(vdup_lane_u32(vreinterpret_u32_u8(t2), 1))
 #define FIXD(i) t##i = pi = vadd_u8(pi, t##i)
@@ -1063,48 +1052,48 @@ static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, con
 
 #ifdef SIMD_WASM
 #define TEMP v128_t
-#define PREP() v128_t pi = wasm_v128_load(last_vertex + k)
+#define PREP() v128_t pi = wasm_v128_load(last_vertex)
 #define LOAD(i) v128_t r##i = wasm_v128_load(buffer + j + i * vertex_count_aligned)
 #define GRP4(i) t0 = wasmx_splat_v32x4(r##i, 0), t1 = wasmx_splat_v32x4(r##i, 1), t2 = wasmx_splat_v32x4(r##i, 2), t3 = wasmx_splat_v32x4(r##i, 3)
 #define FIXD(i) t##i = pi = wasm_i8x16_add(pi, t##i)
 #define SAVE(i) *reinterpret_cast<int*>(savep) = wasm_i32x4_extract_lane(t##i, 0), savep += vertex_size
 #endif
 
-		PREP();
+	PREP();
 
-		unsigned char* savep = transposed + k;
+	unsigned char* savep = transposed;
 
-		for (size_t j = 0; j < vertex_count_aligned; j += 16)
-		{
-			LOAD(0);
-			LOAD(1);
-			LOAD(2);
-			LOAD(3);
+	for (size_t j = 0; j < vertex_count_aligned; j += 16)
+	{
+		LOAD(0);
+		LOAD(1);
+		LOAD(2);
+		LOAD(3);
 
-			r0 = unzigzag8(r0);
-			r1 = unzigzag8(r1);
-			r2 = unzigzag8(r2);
-			r3 = unzigzag8(r3);
+		r0 = unzigzag8(r0);
+		r1 = unzigzag8(r1);
+		r2 = unzigzag8(r2);
+		r3 = unzigzag8(r3);
 
-			transpose8(r0, r1, r2, r3);
+		transpose8(r0, r1, r2, r3);
 
-			TEMP t0, t1, t2, t3;
+		TEMP t0, t1, t2, t3;
 
-			GRP4(0);
-			FIXD(0), FIXD(1), FIXD(2), FIXD(3);
-			SAVE(0), SAVE(1), SAVE(2), SAVE(3);
+		GRP4(0);
+		FIXD(0), FIXD(1), FIXD(2), FIXD(3);
+		SAVE(0), SAVE(1), SAVE(2), SAVE(3);
 
-			GRP4(1);
-			FIXD(0), FIXD(1), FIXD(2), FIXD(3);
-			SAVE(0), SAVE(1), SAVE(2), SAVE(3);
+		GRP4(1);
+		FIXD(0), FIXD(1), FIXD(2), FIXD(3);
+		SAVE(0), SAVE(1), SAVE(2), SAVE(3);
 
-			GRP4(2);
-			FIXD(0), FIXD(1), FIXD(2), FIXD(3);
-			SAVE(0), SAVE(1), SAVE(2), SAVE(3);
+		GRP4(2);
+		FIXD(0), FIXD(1), FIXD(2), FIXD(3);
+		SAVE(0), SAVE(1), SAVE(2), SAVE(3);
 
-			GRP4(3);
-			FIXD(0), FIXD(1), FIXD(2), FIXD(3);
-			SAVE(0), SAVE(1), SAVE(2), SAVE(3);
+		GRP4(3);
+		FIXD(0), FIXD(1), FIXD(2), FIXD(3);
+		SAVE(0), SAVE(1), SAVE(2), SAVE(3);
 
 #undef TEMP
 #undef PREP
@@ -1112,7 +1101,29 @@ static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, con
 #undef GRP4
 #undef FIXD
 #undef SAVE
+	}
+}
+
+SIMD_TARGET
+static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, const unsigned char* data_end, unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256])
+{
+	assert(vertex_count > 0 && vertex_count <= kVertexBlockMaxSize);
+
+	unsigned char buffer[kVertexBlockMaxSize * 4];
+	unsigned char transposed[kVertexBlockSizeBytes];
+
+	size_t vertex_count_aligned = (vertex_count + kByteGroupSize - 1) & ~(kByteGroupSize - 1);
+
+	for (size_t k = 0; k < vertex_size; k += 4)
+	{
+		for (size_t j = 0; j < 4; ++j)
+		{
+			data = decodeBytesSimd(data, data_end, buffer + j * vertex_count_aligned, vertex_count_aligned);
+			if (!data)
+				return NULL;
 		}
+
+		decodeDeltas4Simd(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k);
 	}
 
 	memcpy(vertex_data, transposed, vertex_count * vertex_size);

From adacfb0fa382d8b99821ae8776f657807bcbb94e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 3 Dec 2024 13:28:56 -0800
Subject: [PATCH 433/581] vertexcodec: Generalize encodeBytes to support bit
 group palettes

Instead of hardcoding bit counts, we can now encode using arbitrary 4
bit counts. When using the original v0 values, this produces the exact
same output, but this gives us an opportunity to select a different set
of bits inside the same block.

As part of this, bits=1 is changed to bits=0; bits=0 was always correct,
as bits=1 refers to a 1-bit mask plus sentinels.
---
 src/vertexcodec.cpp | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index a94c6d4c40..b5c6f70656 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -167,9 +167,9 @@ static bool encodeBytesGroupZero(const unsigned char* buffer)
 
 static size_t encodeBytesGroupMeasure(const unsigned char* buffer, int bits)
 {
-	assert(bits >= 1 && bits <= 8);
+	assert(bits >= 0 && bits <= 8);
 
-	if (bits == 1)
+	if (bits == 0)
 		return encodeBytesGroupZero(buffer) ? 0 : size_t(-1);
 
 	if (bits == 8)
@@ -187,9 +187,10 @@ static size_t encodeBytesGroupMeasure(const unsigned char* buffer, int bits)
 
 static unsigned char* encodeBytesGroup(unsigned char* data, const unsigned char* buffer, int bits)
 {
-	assert(bits >= 1 && bits <= 8);
+	assert(bits >= 0 && bits <= 8);
+	assert(kByteGroupSize % 8 == 0);
 
-	if (bits == 1)
+	if (bits == 0)
 		return data;
 
 	if (bits == 8)
@@ -231,7 +232,7 @@ static unsigned char* encodeBytesGroup(unsigned char* data, const unsigned char*
 	return data;
 }
 
-static unsigned char* encodeBytes(unsigned char* data, unsigned char* data_end, const unsigned char* buffer, size_t buffer_size)
+static unsigned char* encodeBytes(unsigned char* data, unsigned char* data_end, const unsigned char* buffer, size_t buffer_size, const int bits[4])
 {
 	assert(buffer_size % kByteGroupSize == 0);
 
@@ -252,27 +253,24 @@ static unsigned char* encodeBytes(unsigned char* data, unsigned char* data_end,
 		if (size_t(data_end - data) < kByteGroupDecodeLimit)
 			return NULL;
 
-		int best_bits = 8;
-		size_t best_size = encodeBytesGroupMeasure(buffer + i, 8);
+		int best_bitk = 3;
+		size_t best_size = encodeBytesGroupMeasure(buffer + i, bits[best_bitk]);
 
-		for (int bits = 1; bits < 8; bits *= 2)
+		for (int bitk = 0; bitk < 3; ++bitk)
 		{
-			size_t size = encodeBytesGroupMeasure(buffer + i, bits);
+			size_t size = encodeBytesGroupMeasure(buffer + i, bits[bitk]);
 
 			if (size < best_size)
 			{
-				best_bits = bits;
+				best_bitk = bitk;
 				best_size = size;
 			}
 		}
 
-		int bitslog2 = (best_bits == 1) ? 0 : (best_bits == 2 ? 1 : (best_bits == 4 ? 2 : 3));
-		assert((1 << bitslog2) == best_bits);
-
 		size_t header_offset = i / kByteGroupSize;
+		header[header_offset / 4] |= best_bitk << ((header_offset % 4) * 2);
 
-		header[header_offset / 4] |= bitslog2 << ((header_offset % 4) * 2);
-
+		int best_bits = bits[best_bitk];
 		unsigned char* next = encodeBytesGroup(data, buffer + i, best_bits);
 
 		assert(data + best_size == next);
@@ -332,7 +330,9 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 		}
 #endif
 
-		data = encodeBytes(data, data_end, buffer, (vertex_count + kByteGroupSize - 1) & ~(kByteGroupSize - 1));
+		static const int kBitsV0[4] = {0, 2, 4, 8};
+
+		data = encodeBytes(data, data_end, buffer, (vertex_count + kByteGroupSize - 1) & ~(kByteGroupSize - 1), kBitsV0);
 		if (!data)
 			return NULL;
 

From f697deebae74b285b71a03539bf339c082e96cb9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 3 Dec 2024 16:52:35 -0800
Subject: [PATCH 434/581] vertexcodec: Initial implementation of byte group
 controls

In v0 format, we encode using 0, 2, 4 and 8-bit groups. This provides a
reasonable coverage, but misses some other useful bit groups; notably,
1-bit groups (with sentinel encoding) can be used to more efficiently
encode mostly-0 sequences without spending an extra 2 bytes on bit
masks, and 6-bit groups (with sentinel encoding) provide a middle ground
between 4-bit and 8-bit that can be useful for data that is otherwise
difficult to compress.

While we could choose one of 6 groups for every 16 bytes instead of one
of 4, this noticeably increases the header overhead. Instead, we can
preselect a few 4-element arrangements for bits, and use control bits to
select the right one.

For now we choose a hard-coded palette of 3 entries. The 4-th entry may
be useful for literal encoding to save space on header bits for very
incompressible blocks. The palette itself is subject to change.

To select the palette entry, we allocate 2-bit control metadata for
every byte channel in the vertex block. We will likely need more bits in
the future to accomodate deltas et al, but for now let's start with
this.

For now we pick the palette by trying all three variants and choosing
the shorter option. That results in measuring every byte group 12 times;
it should be possible to do this faster if we measure every byte group 6
times and aggregate the results.
---
 src/vertexcodec.cpp | 98 ++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 89 insertions(+), 9 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index b5c6f70656..b3696a2b41 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -118,9 +118,16 @@ static int gEncodeVertexVersion = 0;
 const size_t kVertexBlockSizeBytes = 8192;
 const size_t kVertexBlockMaxSize = 256;
 const size_t kByteGroupSize = 16;
-const size_t kByteGroupDecodeLimit = 24;
+const size_t kByteGroupDecodeLimit = 28; // bit group 6: 12 bytes of bit data, 16 bytes of sentinel data (for invalid streams)
 const size_t kTailMaxSize = 32;
 
+static const int kBitsV0[4] = {0, 2, 4, 8};
+static const int kBitsV1[3][4] = {
+    {0, 2, 4, 8},
+    {0, 1, 2, 8},
+    {2, 4, 6, 8},
+};
+
 static size_t getVertexBlockSize(size_t vertex_size)
 {
 	// make sure the entire block fits into the scratch buffer
@@ -288,16 +295,62 @@ static unsigned char* encodeBytes(unsigned char* data, unsigned char* data_end,
 	return data;
 }
 
-static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data_end, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256])
+static size_t encodeBytesMeasure(const unsigned char* buffer, size_t buffer_size, const int bits[4])
+{
+	assert(buffer_size % kByteGroupSize == 0);
+
+	size_t result = 0;
+
+	// round number of groups to 4 to get number of header bytes
+	size_t header_size = (buffer_size / kByteGroupSize + 3) / 4;
+	result += header_size;
+
+	for (size_t i = 0; i < buffer_size; i += kByteGroupSize)
+	{
+		int best_bitk = 3;
+		size_t best_size = encodeBytesGroupMeasure(buffer + i, bits[best_bitk]);
+
+		for (int bitk = 0; bitk < 3; ++bitk)
+		{
+			size_t size = encodeBytesGroupMeasure(buffer + i, bits[bitk]);
+
+			if (size < best_size)
+			{
+				best_bitk = bitk;
+				best_size = size;
+			}
+		}
+
+		result += best_size;
+	}
+
+	return result;
+}
+
+static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data_end, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], int version)
 {
 	assert(vertex_count > 0 && vertex_count <= kVertexBlockMaxSize);
+	assert(vertex_size % 4 == 0);
 
 	unsigned char buffer[kVertexBlockMaxSize];
 	assert(sizeof(buffer) % kByteGroupSize == 0);
 
+	size_t vertex_count_aligned = (vertex_count + kByteGroupSize - 1) & ~(kByteGroupSize - 1);
+
 	// we sometimes encode elements we didn't fill when rounding to kByteGroupSize
 	memset(buffer, 0, sizeof(buffer));
 
+	unsigned char* control = data;
+
+	size_t control_size = version == 0 ? 0 : vertex_size / 4;
+
+	if (size_t(data_end - data) < control_size)
+		return NULL;
+
+	data += control_size;
+
+	memset(control, 0, control_size);
+
 	for (size_t k = 0; k < vertex_size; ++k)
 	{
 		size_t vertex_offset = k;
@@ -330,11 +383,37 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 		}
 #endif
 
-		static const int kBitsV0[4] = {0, 2, 4, 8};
+		if (version == 0xe)
+		{
+			int best_ctrl = 0;
+			size_t best_bytes = encodeBytesMeasure(buffer, vertex_count_aligned, kBitsV1[0]);
 
-		data = encodeBytes(data, data_end, buffer, (vertex_count + kByteGroupSize - 1) & ~(kByteGroupSize - 1), kBitsV0);
-		if (!data)
-			return NULL;
+			for (int i = 1; i <= 2; ++i)
+			{
+				size_t est_bytes = encodeBytesMeasure(buffer, vertex_count_aligned, kBitsV1[i]);
+
+				if (est_bytes < best_bytes)
+				{
+					best_ctrl = i;
+					best_bytes = est_bytes;
+				}
+			}
+
+			control[k / 4] |= best_ctrl << ((k % 4) * 2);
+
+			unsigned char* next = encodeBytes(data, data_end, buffer, vertex_count_aligned, kBitsV1[best_ctrl]);
+			if (!next)
+				return NULL;
+
+			assert(data + best_bytes == next);
+			data = next;
+		}
+		else
+		{
+			data = encodeBytes(data, data_end, buffer, vertex_count_aligned, kBitsV0);
+			if (!data)
+				return NULL;
+		}
 
 #if TRACE
 		bytestats = NULL;
@@ -1001,7 +1080,7 @@ static const unsigned char* decodeBytesSimd(const unsigned char* data, const uns
 
 	size_t i = 0;
 
-	// fast-path: process 4 groups at a time, do a shared bounds check - each group reads <=24b
+	// fast-path: process 4 groups at a time, do a shared bounds check
 	for (; i + kByteGroupSize * 4 <= buffer_size && size_t(data_end - data) >= kByteGroupDecodeLimit * 4; i += kByteGroupSize * 4)
 	{
 		size_t header_offset = i / kByteGroupSize;
@@ -1189,7 +1268,7 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 	{
 		size_t block_size = (vertex_offset + vertex_block_size < vertex_count) ? vertex_block_size : vertex_count - vertex_offset;
 
-		data = encodeVertexBlock(data, data_end, vertex_data + vertex_offset * vertex_size, block_size, vertex_size, last_vertex);
+		data = encodeVertexBlock(data, data_end, vertex_data + vertex_offset * vertex_size, block_size, vertex_size, last_vertex, version);
 		if (!data)
 			return 0;
 
@@ -1251,12 +1330,13 @@ size_t meshopt_encodeVertexBufferBound(size_t vertex_count, size_t vertex_size)
 	size_t vertex_block_size = getVertexBlockSize(vertex_size);
 	size_t vertex_block_count = (vertex_count + vertex_block_size - 1) / vertex_block_size;
 
+	size_t vertex_block_control_size = vertex_size / 4;
 	size_t vertex_block_header_size = (vertex_block_size / kByteGroupSize + 3) / 4;
 	size_t vertex_block_data_size = vertex_block_size;
 
 	size_t tail_size = vertex_size < kTailMaxSize ? kTailMaxSize : vertex_size;
 
-	return 1 + vertex_block_count * vertex_size * (vertex_block_header_size + vertex_block_data_size) + tail_size;
+	return 1 + vertex_block_count * vertex_size * (vertex_block_control_size + vertex_block_header_size + vertex_block_data_size) + tail_size;
 }
 
 void meshopt_encodeVertexVersion(int version)

From 3635f9e675b57e513c986996a78358350bd79154 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Dec 2024 09:11:21 -0800
Subject: [PATCH 435/581] vertexcodec: Introduce literal blocks for new
 encoding

Instead of using the last slot of the table, we use it to signify that
the byte channel should be stored literally. This removes the overhead
of the header blocks for uncompressible data, and results in net gains
that outweigh any selection of the extra table slot in practice.
---
 src/vertexcodec.cpp | 40 +++++++++++++++++++++++-----------------
 1 file changed, 23 insertions(+), 17 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index b3696a2b41..ccc5f62f38 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -307,18 +307,12 @@ static size_t encodeBytesMeasure(const unsigned char* buffer, size_t buffer_size
 
 	for (size_t i = 0; i < buffer_size; i += kByteGroupSize)
 	{
-		int best_bitk = 3;
-		size_t best_size = encodeBytesGroupMeasure(buffer + i, bits[best_bitk]);
+		size_t best_size = size_t(-1);
 
-		for (int bitk = 0; bitk < 3; ++bitk)
+		for (int bitk = 0; bitk < 4; ++bitk)
 		{
 			size_t size = encodeBytesGroupMeasure(buffer + i, bits[bitk]);
-
-			if (size < best_size)
-			{
-				best_bitk = bitk;
-				best_size = size;
-			}
+			best_size = (size < best_size) ? size : best_size;
 		}
 
 		result += best_size;
@@ -385,10 +379,10 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 
 		if (version == 0xe)
 		{
-			int best_ctrl = 0;
-			size_t best_bytes = encodeBytesMeasure(buffer, vertex_count_aligned, kBitsV1[0]);
+			int best_ctrl = 3; // literal encoding
+			size_t best_bytes = vertex_count;
 
-			for (int i = 1; i <= 2; ++i)
+			for (int i = 0; i <= 2; ++i)
 			{
 				size_t est_bytes = encodeBytesMeasure(buffer, vertex_count_aligned, kBitsV1[i]);
 
@@ -401,12 +395,24 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 
 			control[k / 4] |= best_ctrl << ((k % 4) * 2);
 
-			unsigned char* next = encodeBytes(data, data_end, buffer, vertex_count_aligned, kBitsV1[best_ctrl]);
-			if (!next)
-				return NULL;
+			if (best_ctrl == 3)
+			{
+				// literal encoding
+				if (size_t(data_end - data) < vertex_count)
+					return NULL;
 
-			assert(data + best_bytes == next);
-			data = next;
+				memcpy(data, buffer, vertex_count);
+				data += vertex_count;
+			}
+			else
+			{
+				unsigned char* next = encodeBytes(data, data_end, buffer, vertex_count_aligned, kBitsV1[best_ctrl]);
+				if (!next)
+					return NULL;
+
+				assert(data + best_bytes == next);
+				data = next;
+			}
 		}
 		else
 		{

From aca76231ee5a28d3e13ff1568ce8ddaeaee12ba6 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Dec 2024 09:20:24 -0800
Subject: [PATCH 436/581] vertexcodec: Favor consistent bit selection across
 groups

Sometimes two consecutive byte groups could be encoded with different
bit counts at the same size; we now break this tie to favor the last
encoded bit count, unless the size is 16 bytes (8 bits per byte).

This maintains the exact same output size, but results in data that is
slightly more compressible by a backend compressor like LZ4.
---
 src/vertexcodec.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index ccc5f62f38..88c938c456 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -255,6 +255,8 @@ static unsigned char* encodeBytes(unsigned char* data, unsigned char* data_end,
 
 	memset(header, 0, header_size);
 
+	int last_bits = -1;
+
 	for (size_t i = 0; i < buffer_size; i += kByteGroupSize)
 	{
 		if (size_t(data_end - data) < kByteGroupDecodeLimit)
@@ -267,7 +269,8 @@ static unsigned char* encodeBytes(unsigned char* data, unsigned char* data_end,
 		{
 			size_t size = encodeBytesGroupMeasure(buffer + i, bits[bitk]);
 
-			if (size < best_size)
+			// favor consistent bit selection across groups, but never replace literals
+			if (size < best_size || (size == best_size && bits[bitk] == last_bits && bits[best_bitk] != 8))
 			{
 				best_bitk = bitk;
 				best_size = size;
@@ -282,6 +285,7 @@ static unsigned char* encodeBytes(unsigned char* data, unsigned char* data_end,
 
 		assert(data + best_size == next);
 		data = next;
+		last_bits = best_bits;
 
 #if TRACE
 		bytestats->bitg[bitslog2] += best_size;

From 146c6077f7a45e050d8b59763c5695b28e512c65 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Dec 2024 17:00:21 -0800
Subject: [PATCH 437/581] demo: Add benchmark mode and an indication of
 decoding correctness

We now print ! when validation is off but the decoding result
mismatches, and also run a 100-iteration benchmark collecting
min/avg/stddev for decode timings.
---
 demo/main.cpp | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 50 insertions(+), 1 deletion(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 4c300615c5..f6006711c3 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -847,7 +847,8 @@ void encodeVertex(const Mesh& mesh, const char* pvn, bool validate = true)
 
 	size_t csize = compress(vbuf);
 
-	printf("VtxCodec%1s: %.1f bits/vertex (post-deflate %.1f bits/vertex); encode %.2f msec, decode %.2f msec (%.2f GB/s)\n", pvn,
+	printf("VtxCodec%1s%s: %.1f bits/vertex (post-deflate %.1f bits/vertex); encode %.2f msec, decode %.2f msec (%.2f GB/s)\n", pvn,
+	    res == 0 && memcmp(&pv[0], &result[0], pv.size() * sizeof(PV)) == 0 ? "" : "!",
 	    double(vbuf.size() * 8) / double(mesh.vertices.size()),
 	    double(csize * 8) / double(mesh.vertices.size()),
 	    (middle - start) * 1000,
@@ -855,6 +856,49 @@ void encodeVertex(const Mesh& mesh, const char* pvn, bool validate = true)
 	    (double(result.size() * sizeof(PV)) / (1 << 30)) / (end - middle));
 }
 
+template <typename PV>
+void benchmarkVertex(const Mesh& mesh, const char* pvn)
+{
+	std::vector<PV> pv(mesh.vertices.size());
+	packMesh(pv, mesh.vertices);
+
+	// allocate result outside of the timing loop to exclude memset() from decode timing
+	std::vector<PV> result(mesh.vertices.size());
+
+	std::vector<unsigned char> vbuf(meshopt_encodeVertexBufferBound(mesh.vertices.size(), sizeof(PV)));
+	vbuf.resize(meshopt_encodeVertexBuffer(&vbuf[0], vbuf.size(), &pv[0], mesh.vertices.size(), sizeof(PV)));
+
+	// warmup
+	meshopt_decodeVertexBuffer(&result[0], mesh.vertices.size(), sizeof(PV), &vbuf[0], vbuf.size());
+
+	for (int run = 0; run < 10; ++run)
+	{
+		double mint = 0;
+		double avgt = 0;
+		double vart = 0;
+
+		for (int i = 0; i < 100; ++i)
+		{
+			double start = timestamp();
+			meshopt_decodeVertexBuffer(&result[0], mesh.vertices.size(), sizeof(PV), &vbuf[0], vbuf.size());
+			double end = timestamp();
+
+			double time = end - start;
+
+			mint = (mint == 0 || time < mint) ? time : mint;
+
+			// Welford variance computation
+			double delta = time - avgt;
+			avgt += delta / (i + 1);
+			vart += delta * (time - avgt);
+		}
+
+		printf("VtxCodec%1s: decode best %.2f msec (%.2f GB/s); avg %.2f +- %.2f msec\n", pvn,
+		    mint * 1000, (double(result.size() * sizeof(PV)) / (1 << 30)) / mint,
+		    avgt * 1000, sqrt(vart / 100) * 1000);
+	}
+}
+
 void stripify(const Mesh& mesh, bool use_restart, char desc)
 {
 	unsigned int restart_index = use_restart ? ~0u : 0;
@@ -1405,6 +1449,11 @@ void processDev(const char* path)
 	encodeVertex<PackedVertex>(copy, "0");
 	meshopt_encodeVertexVersion(0xe);
 	encodeVertex<PackedVertex>(copy, "1", /* validate= */ false);
+	meshopt_encodeVertexVersion(0);
+
+	benchmarkVertex<PackedVertex>(copy, "0");
+	meshopt_encodeVertexVersion(0xe);
+	benchmarkVertex<PackedVertex>(copy, "1");
 }
 
 void processNanite(const char* path)

From 1242be1ac963bea25109a364896afdb35f6dde10 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 5 Dec 2024 14:52:53 -0800
Subject: [PATCH 438/581] js: Update benchmark with more realistic data

Our previous version encoded zeroes because the structure of the
increments in the data perfectly matched the stride... Instead, switch
to pseudo-random bit limited inputs similarly to what codecbench does.
---
 js/benchmark.js | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/js/benchmark.js b/js/benchmark.js
index 70745d7912..7ecb1aba89 100644
--- a/js/benchmark.js
+++ b/js/benchmark.js
@@ -16,11 +16,15 @@ var tests = {
 		var N = 1024 * 1024;
 		var data = new Uint8Array(N * 16);
 
-		for (var i = 0; i < N * 16; i += 4) {
-			data[i + 0] = 0;
-			data[i + 1] = (i % 16) * 1;
-			data[i + 2] = (i % 16) * 2;
-			data[i + 3] = (i % 16) * 8;
+		var lcg = 1;
+
+		for (var i = 0; i < N * 16; ++i) {
+			// mindstd_rand
+			lcg = (lcg * 48271) % 2147483647;
+
+			var k = i % 16;
+			if (k <= 8) data[i] = lcg & ((1 << k) - 1);
+			else data[i] = i & ((1 << (k - 8)) - 1);
 		}
 
 		var decoded = new Uint8Array(N * 16);

From 0937c2fdbc1fc2398cf0e25dbb88d8abe42c36c4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 5 Dec 2024 15:00:27 -0800
Subject: [PATCH 439/581] tools: Update codecbench to measure new decoder as
 well

Also expand the attempt count a little to try to stabilize the timings,
and add -l option to make it run for a long time and produce a list of
timings.
---
 tools/codecbench.cpp | 46 +++++++++++++++++++++++++++++---------------
 1 file changed, 31 insertions(+), 15 deletions(-)

diff --git a/tools/codecbench.cpp b/tools/codecbench.cpp
index 350cb9c0f1..1314c070b6 100644
--- a/tools/codecbench.cpp
+++ b/tools/codecbench.cpp
@@ -83,7 +83,7 @@ void benchCodecs(const std::vector<Vertex>& vertices, const std::vector<unsigned
 		if (verbose)
 			printf("pass %d: vertex data %d bytes, index data %d bytes\n", pass, int(vc.size()), int(ic.size()));
 
-		for (int attempt = 0; attempt < 10; ++attempt)
+		for (int attempt = 0; attempt < 50; ++attempt)
 		{
 			double t0 = timestamp();
 
@@ -103,8 +103,8 @@ void benchCodecs(const std::vector<Vertex>& vertices, const std::vector<unsigned
 
 			if (verbose)
 				printf("decode: vertex %.2f ms (%.2f GB/sec), index %.2f ms (%.2f GB/sec)\n",
-				       (t1 - t0) * 1000, double(vertices.size() * sizeof(Vertex)) / GB / (t1 - t0),
-				       (t2 - t1) * 1000, double(indices.size() * 4) / GB / (t2 - t1));
+				    (t1 - t0) * 1000, double(vertices.size() * sizeof(Vertex)) / GB / (t1 - t0),
+				    (t2 - t1) * 1000, double(indices.size() * 4) / GB / (t2 - t1));
 
 			if (pass == 0)
 			{
@@ -125,7 +125,7 @@ void benchFilters(size_t count, double& besto8, double& besto12, double& bestq12
 	if (verbose)
 		printf("filters: oct8 data %d bytes, oct12/quat12 data %d bytes\n", int(d4.size()), int(d8.size()));
 
-	for (int attempt = 0; attempt < 10; ++attempt)
+	for (int attempt = 0; attempt < 50; ++attempt)
 	{
 		double t0 = timestamp();
 
@@ -149,10 +149,10 @@ void benchFilters(size_t count, double& besto8, double& besto12, double& bestq12
 
 		if (verbose)
 			printf("filter: oct8 %.2f ms (%.2f GB/sec), oct12 %.2f ms (%.2f GB/sec), quat12 %.2f ms (%.2f GB/sec), exp %.2f ms (%.2f GB/sec)\n",
-			       (t1 - t0) * 1000, double(d4.size()) / GB / (t1 - t0),
-			       (t2 - t1) * 1000, double(d8.size()) / GB / (t2 - t1),
-			       (t3 - t2) * 1000, double(d8.size()) / GB / (t3 - t2),
-			       (t4 - t3) * 1000, double(d8.size()) / GB / (t4 - t3));
+			    (t1 - t0) * 1000, double(d4.size()) / GB / (t1 - t0),
+			    (t2 - t1) * 1000, double(d8.size()) / GB / (t2 - t1),
+			    (t3 - t2) * 1000, double(d8.size()) / GB / (t3 - t2),
+			    (t4 - t3) * 1000, double(d8.size()) / GB / (t4 - t3));
 
 		besto8 = std::max(besto8, double(d4.size()) / GB / (t1 - t0));
 		besto12 = std::max(besto12, double(d8.size()) / GB / (t2 - t1));
@@ -166,10 +166,15 @@ int main(int argc, char** argv)
 	meshopt_encodeIndexVersion(1);
 
 	bool verbose = false;
+	bool loop = false;
 
 	for (int i = 1; i < argc; ++i)
+	{
 		if (strcmp(argv[i], "-v") == 0)
 			verbose = true;
+		if (strcmp(argv[i], "-l") == 0)
+			loop = true;
+	}
 
 	const int N = 1000;
 
@@ -212,13 +217,24 @@ int main(int argc, char** argv)
 		}
 	}
 
-	double bestvd = 0, bestid = 0;
-	benchCodecs(vertices, indices, bestvd, bestid, verbose);
+	printf("Algorithm   :\tvtx\tvtxe\tidx\toct8\toct12\tquat12\texp\n");
+
+	for (int l = 0; l < (loop ? 100 : 1); ++l)
+	{
+		meshopt_encodeVertexVersion(0);
+
+		double bestvd0 = 0, bestid = 0;
+		benchCodecs(vertices, indices, bestvd0, bestid, verbose);
+
+		meshopt_encodeVertexVersion(0xe);
 
-	double besto8 = 0, besto12 = 0, bestq12 = 0, bestexp = 0;
-	benchFilters(8 * N * N, besto8, besto12, bestq12, bestexp, verbose);
+		double bestvd1 = 0, bestidr = 0;
+		benchCodecs(vertices, indices, bestvd1, bestidr, verbose);
 
-	printf("Algorithm   :\tvtx\tidx\toct8\toct12\tquat12\texp\n");
-	printf("Score (GB/s):\t%.2f\t%.2f\t%.2f\t%.2f\t%.2f\t%.2f\n",
-	       bestvd, bestid, besto8, besto12, bestq12, bestexp);
+		double besto8 = 0, besto12 = 0, bestq12 = 0, bestexp = 0;
+		benchFilters(8 * N * N, besto8, besto12, bestq12, bestexp, verbose);
+
+		printf("Score (GB/s):\t%.2f\t%.2f\t%.2f\t%.2f\t%.2f\t%.2f\t%.2f\n",
+		    bestvd0, bestvd1, bestid, besto8, besto12, bestq12, bestexp);
+	}
 }

From d25d6db641ce3617be613fd56ad8bf482c60ba2c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 4 Dec 2024 19:11:27 -0800
Subject: [PATCH 440/581] vertexcodec: Implement parsing of control blocks for
 scalar decode

This is very straightforward: just need to skip the control bits for v0,
and use them to select the bit table. To make decoding a little simpler,
for now we mandate that kBitsV1[0] == kBitsV0; this makes it possible to
index the bit table unconditionally.

Note that this doesn't include the byte group decoding, so we can't
fully parse experimental encoding yet.
---
 src/vertexcodec.cpp | 58 ++++++++++++++++++++++++++++++---------------
 1 file changed, 39 insertions(+), 19 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 88c938c456..33fe63f604 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -123,6 +123,7 @@ const size_t kTailMaxSize = 32;
 
 static const int kBitsV0[4] = {0, 2, 4, 8};
 static const int kBitsV1[3][4] = {
+    // first entry must be 0/2/4/8 to match v0
     {0, 2, 4, 8},
     {0, 1, 2, 8},
     {2, 4, 6, 8},
@@ -338,13 +339,11 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 	// we sometimes encode elements we didn't fill when rounding to kByteGroupSize
 	memset(buffer, 0, sizeof(buffer));
 
-	unsigned char* control = data;
-
 	size_t control_size = version == 0 ? 0 : vertex_size / 4;
-
 	if (size_t(data_end - data) < control_size)
 		return NULL;
 
+	unsigned char* control = data;
 	data += control_size;
 
 	memset(control, 0, control_size);
@@ -486,18 +485,16 @@ static const unsigned char* decodeBytesGroup(const unsigned char* data, unsigned
 #undef NEXT
 }
 
-static const unsigned char* decodeBytes(const unsigned char* data, const unsigned char* data_end, unsigned char* buffer, size_t buffer_size)
+static const unsigned char* decodeBytes(const unsigned char* data, const unsigned char* data_end, unsigned char* buffer, size_t buffer_size, const int* bits)
 {
 	assert(buffer_size % kByteGroupSize == 0);
 
-	const unsigned char* header = data;
-
 	// round number of groups to 4 to get number of header bytes
 	size_t header_size = (buffer_size / kByteGroupSize + 3) / 4;
-
 	if (size_t(data_end - data) < header_size)
 		return NULL;
 
+	const unsigned char* header = data;
 	data += header_size;
 
 	for (size_t i = 0; i < buffer_size; i += kByteGroupSize)
@@ -507,9 +504,10 @@ static const unsigned char* decodeBytes(const unsigned char* data, const unsigne
 
 		size_t header_offset = i / kByteGroupSize;
 
-		int bitslog2 = (header[header_offset / 4] >> ((header_offset % 4) * 2)) & 3;
+		int bitsk = (header[header_offset / 4] >> ((header_offset % 4) * 2)) & 3;
+		(void)bits;
 
-		data = decodeBytesGroup(data, buffer + i, bitslog2);
+		data = decodeBytesGroup(data, buffer + i, bitsk);
 	}
 
 	return data;
@@ -532,7 +530,7 @@ static void decodeDeltas1(const unsigned char* buffer, unsigned char* transposed
 	}
 }
 
-static const unsigned char* decodeVertexBlock(const unsigned char* data, const unsigned char* data_end, unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256])
+static const unsigned char* decodeVertexBlock(const unsigned char* data, const unsigned char* data_end, unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], int version)
 {
 	assert(vertex_count > 0 && vertex_count <= kVertexBlockMaxSize);
 
@@ -542,11 +540,32 @@ static const unsigned char* decodeVertexBlock(const unsigned char* data, const u
 	size_t vertex_count_aligned = (vertex_count + kByteGroupSize - 1) & ~(kByteGroupSize - 1);
 	assert(vertex_count <= vertex_count_aligned);
 
+	size_t control_size = version == 0 ? 0 : vertex_size / 4;
+	if (size_t(data_end - data) < control_size)
+		return NULL;
+
+	const unsigned char* control = data;
+	data += control_size;
+
 	for (size_t k = 0; k < vertex_size; ++k)
 	{
-		data = decodeBytes(data, data_end, buffer, vertex_count_aligned);
-		if (!data)
-			return NULL;
+		int ctrl = version == 0 ? 0 : (control[k / 4] >> ((k % 4) * 2)) & 3;
+
+		if (ctrl == 3)
+		{
+			// literal encoding
+			if (size_t(data_end - data) < vertex_count)
+				return NULL;
+
+			memcpy(buffer, data, vertex_count);
+			data += vertex_count;
+		}
+		else
+		{
+			data = decodeBytes(data, data_end, buffer, vertex_count_aligned, kBitsV1[ctrl]);
+			if (!data)
+				return NULL;
+		}
 
 		decodeDeltas1(buffer, transposed + k, vertex_count, vertex_size, last_vertex[k]);
 	}
@@ -1078,14 +1097,12 @@ static const unsigned char* decodeBytesSimd(const unsigned char* data, const uns
 	assert(buffer_size % kByteGroupSize == 0);
 	assert(kByteGroupSize == 16);
 
-	const unsigned char* header = data;
-
 	// round number of groups to 4 to get number of header bytes
 	size_t header_size = (buffer_size / kByteGroupSize + 3) / 4;
-
 	if (size_t(data_end - data) < header_size)
 		return NULL;
 
+	const unsigned char* header = data;
 	data += header_size;
 
 	size_t i = 0;
@@ -1194,9 +1211,12 @@ static void decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transp
 }
 
 SIMD_TARGET
-static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, const unsigned char* data_end, unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256])
+static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, const unsigned char* data_end, unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], int version)
 {
 	assert(vertex_count > 0 && vertex_count <= kVertexBlockMaxSize);
+	assert(version == 0);
+
+	(void)version;
 
 	unsigned char buffer[kVertexBlockMaxSize * 4];
 	unsigned char transposed[kVertexBlockSizeBytes];
@@ -1364,7 +1384,7 @@ int meshopt_decodeVertexBuffer(void* destination, size_t vertex_count, size_t ve
 	assert(vertex_size > 0 && vertex_size <= 256);
 	assert(vertex_size % 4 == 0);
 
-	const unsigned char* (*decode)(const unsigned char*, const unsigned char*, unsigned char*, size_t, size_t, unsigned char[256]) = NULL;
+	const unsigned char* (*decode)(const unsigned char*, const unsigned char*, unsigned char*, size_t, size_t, unsigned char[256], int) = NULL;
 
 #if defined(SIMD_SSE) && defined(SIMD_FALLBACK)
 	decode = (cpuid & (1 << 9)) ? decodeVertexBlockSimd : decodeVertexBlock;
@@ -1407,7 +1427,7 @@ int meshopt_decodeVertexBuffer(void* destination, size_t vertex_count, size_t ve
 	{
 		size_t block_size = (vertex_offset + vertex_block_size < vertex_count) ? vertex_block_size : vertex_count - vertex_offset;
 
-		data = decode(data, data_end, vertex_data + vertex_offset * vertex_size, block_size, vertex_size, last_vertex);
+		data = decode(data, data_end, vertex_data + vertex_offset * vertex_size, block_size, vertex_size, last_vertex, version);
 		if (!data)
 			return -2;
 

From 726d2da111334c2820d1d9e5f4f0b96dddbb4d8d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Dec 2024 00:11:14 -0800
Subject: [PATCH 441/581] vertexcodec: Switch to 2-entry palette without 6-bit
 groups

During development of the full decoding pipeline, 6-bit groups were
deemed too complicated to decode. These bit groups can often replace
8-bit groups by saving a byte or two, but are much more expensive to
decode with SIMD, due to uneven packing (values often cross byte
boundaries) and expensive sentinel decoding. Even without sentinels
these end up penalizing decoding performance too much.

Without 6-bit groups, we no longer really need 3 palette entries;
freeing an entry can be useful to encode zero runs, which we will do in
the future.

With that we also switch to a simpler fixed palette: 0/1/2/4 or 1/2/4/8;
this means we will need to conditionally select the v0 grouping to
preserve binary compatibility, but that can be done more efficiently for
SIMD version separately.

Since we no longer need 6-bit groups, this change also implements 1-bit
scalar decoding as it's straightforward.
---
 src/vertexcodec.cpp | 37 +++++++++++++++++++------------------
 1 file changed, 19 insertions(+), 18 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 33fe63f604..3b6d4fddf4 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -122,12 +122,7 @@ const size_t kByteGroupDecodeLimit = 28; // bit group 6: 12 bytes of bit data, 1
 const size_t kTailMaxSize = 32;
 
 static const int kBitsV0[4] = {0, 2, 4, 8};
-static const int kBitsV1[3][4] = {
-    // first entry must be 0/2/4/8 to match v0
-    {0, 2, 4, 8},
-    {0, 1, 2, 8},
-    {2, 4, 6, 8},
-};
+static const int kBitsV1[5] = {0, 1, 2, 4, 8};
 
 static size_t getVertexBlockSize(size_t vertex_size)
 {
@@ -385,9 +380,9 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 			int best_ctrl = 3; // literal encoding
 			size_t best_bytes = vertex_count;
 
-			for (int i = 0; i <= 2; ++i)
+			for (int i = 0; i < 2; ++i)
 			{
-				size_t est_bytes = encodeBytesMeasure(buffer, vertex_count_aligned, kBitsV1[i]);
+				size_t est_bytes = encodeBytesMeasure(buffer, vertex_count_aligned, kBitsV1 + i);
 
 				if (est_bytes < best_bytes)
 				{
@@ -409,7 +404,7 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 			}
 			else
 			{
-				unsigned char* next = encodeBytes(data, data_end, buffer, vertex_count_aligned, kBitsV1[best_ctrl]);
+				unsigned char* next = encodeBytes(data, data_end, buffer, vertex_count_aligned, kBitsV1 + best_ctrl);
 				if (!next)
 					return NULL;
 
@@ -436,7 +431,7 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 }
 
 #if defined(SIMD_FALLBACK) || (!defined(SIMD_SSE) && !defined(SIMD_NEON) && !defined(SIMD_AVX) && !defined(SIMD_WASM))
-static const unsigned char* decodeBytesGroup(const unsigned char* data, unsigned char* buffer, int bitslog2)
+static const unsigned char* decodeBytesGroup(const unsigned char* data, unsigned char* buffer, int bits)
 {
 #define READ() byte = *data++
 #define NEXT(bits) enc = byte >> (8 - bits), byte <<= bits, encv = *data_var, *buffer++ = (enc == (1 << bits) - 1) ? encv : enc, data_var += (enc == (1 << bits) - 1)
@@ -444,12 +439,20 @@ static const unsigned char* decodeBytesGroup(const unsigned char* data, unsigned
 	unsigned char byte, enc, encv;
 	const unsigned char* data_var;
 
-	switch (bitslog2)
+	switch (bits)
 	{
 	case 0:
 		memset(buffer, 0, kByteGroupSize);
 		return data;
 	case 1:
+		data_var = data + 2;
+
+		// 2 groups with 8 1-bit values in each byte
+		READ(), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1);
+		READ(), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1);
+
+		return data_var;
+	case 2:
 		data_var = data + 4;
 
 		// 4 groups with 4 2-bit values in each byte
@@ -459,7 +462,7 @@ static const unsigned char* decodeBytesGroup(const unsigned char* data, unsigned
 		READ(), NEXT(2), NEXT(2), NEXT(2), NEXT(2);
 
 		return data_var;
-	case 2:
+	case 4:
 		data_var = data + 8;
 
 		// 8 groups with 2 4-bit values in each byte
@@ -473,11 +476,11 @@ static const unsigned char* decodeBytesGroup(const unsigned char* data, unsigned
 		READ(), NEXT(4), NEXT(4);
 
 		return data_var;
-	case 3:
+	case 8:
 		memcpy(buffer, data, kByteGroupSize);
 		return data + kByteGroupSize;
 	default:
-		assert(!"Unexpected bit length"); // unreachable since bitslog2 is a 2-bit value
+		assert(!"Unexpected bit length"); // unreachable
 		return data;
 	}
 
@@ -503,11 +506,9 @@ static const unsigned char* decodeBytes(const unsigned char* data, const unsigne
 			return NULL;
 
 		size_t header_offset = i / kByteGroupSize;
-
 		int bitsk = (header[header_offset / 4] >> ((header_offset % 4) * 2)) & 3;
-		(void)bits;
 
-		data = decodeBytesGroup(data, buffer + i, bitsk);
+		data = decodeBytesGroup(data, buffer + i, bits[bitsk]);
 	}
 
 	return data;
@@ -562,7 +563,7 @@ static const unsigned char* decodeVertexBlock(const unsigned char* data, const u
 		}
 		else
 		{
-			data = decodeBytes(data, data_end, buffer, vertex_count_aligned, kBitsV1[ctrl]);
+			data = decodeBytes(data, data_end, buffer, vertex_count_aligned, version == 0 ? kBitsV0 : kBitsV1 + ctrl);
 			if (!data)
 				return NULL;
 		}

From 15017d83339d95e2fa30e06f78949133ad060cca Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 3 Dec 2024 13:02:00 -0800
Subject: [PATCH 442/581] vertexcodec: Update bit group tracing code to support
 more groups

For simplicity, we gather all bit group sizes but only display those
that will be encoded in v1.
---
 src/vertexcodec.cpp | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 3b6d4fddf4..2da601dc7b 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -151,7 +151,7 @@ struct Stats
 {
 	size_t size;
 	size_t header;  // bytes for header
-	size_t bitg[4]; // bytes for bit groups
+	size_t bitg[9]; // bytes for bit groups
 	size_t bitc[8]; // bit consistency: how many bits are shared between all bytes in a group
 };
 
@@ -284,7 +284,7 @@ static unsigned char* encodeBytes(unsigned char* data, unsigned char* data_end,
 		last_bits = best_bits;
 
 #if TRACE
-		bytestats->bitg[bitslog2] += best_size;
+		bytestats->bitg[best_bits] += best_size;
 #endif
 	}
 
@@ -1333,11 +1333,12 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 
 		printf("%2d: %7d bytes [%4.1f%%] %.1f bpv", int(k), int(vsk.size), double(vsk.size) / double(total_size) * 100, double(vsk.size) / double(vertex_count) * 8);
 
-		size_t total_k = vsk.header + vsk.bitg[0] + vsk.bitg[1] + vsk.bitg[2] + vsk.bitg[3];
+		size_t total_k = vsk.header + vsk.bitg[1] + vsk.bitg[2] + vsk.bitg[4] + vsk.bitg[8];
 
-		printf(" |\thdr [%5.1f%%] bitg 1-3 [%4.1f%% %4.1f%% %4.1f%%]",
-		    double(vsk.header) / double(total_k) * 100, double(vsk.bitg[1]) / double(total_k) * 100,
-		    double(vsk.bitg[2]) / double(total_k) * 100, double(vsk.bitg[3]) / double(total_k) * 100);
+		printf(" |\thdr [%5.1f%%] bitg [1 %4.1f%% 2 %4.1f%% 4 %4.1f%% %4.1f%%]",
+		    double(vsk.header) / double(total_k) * 100,
+		    double(vsk.bitg[1]) / double(total_k) * 100, double(vsk.bitg[2]) / double(total_k) * 100,
+		    double(vsk.bitg[4]) / double(total_k) * 100, double(vsk.bitg[8]) / double(total_k) * 100);
 
 		printf(" |\tbitc [%3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%%]",
 		    double(vsk.bitc[0]) / double(vertex_count) * 100, double(vsk.bitc[1]) / double(vertex_count) * 100,

From 57b24b81c5b393d04332782658a6345ee691c318 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Dec 2024 00:21:41 -0800
Subject: [PATCH 443/581] vertexcodec: Implement zero block channels

Since we now have a free control entry, we can use it to encode zero
channels; this avoids wasting space on header bits for redundant bytes
in blocks, and makes decoding these faster.
---
 src/vertexcodec.cpp | 35 +++++++++++++++++++++++++----------
 1 file changed, 25 insertions(+), 10 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 2da601dc7b..1e51cbfec9 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -159,9 +159,9 @@ static Stats* bytestats = NULL;
 static Stats vertexstats[256];
 #endif
 
-static bool encodeBytesGroupZero(const unsigned char* buffer)
+static bool canEncodeZero(const unsigned char* buffer, size_t buffer_size)
 {
-	for (size_t i = 0; i < kByteGroupSize; ++i)
+	for (size_t i = 0; i < buffer_size; ++i)
 		if (buffer[i])
 			return false;
 
@@ -173,7 +173,7 @@ static size_t encodeBytesGroupMeasure(const unsigned char* buffer, int bits)
 	assert(bits >= 0 && bits <= 8);
 
 	if (bits == 0)
-		return encodeBytesGroupZero(buffer) ? 0 : size_t(-1);
+		return canEncodeZero(buffer, kByteGroupSize) ? 0 : size_t(-1);
 
 	if (bits == 8)
 		return kByteGroupSize;
@@ -380,14 +380,24 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 			int best_ctrl = 3; // literal encoding
 			size_t best_bytes = vertex_count;
 
-			for (int i = 0; i < 2; ++i)
+			if (canEncodeZero(buffer, vertex_count))
 			{
-				size_t est_bytes = encodeBytesMeasure(buffer, vertex_count_aligned, kBitsV1 + i);
-
-				if (est_bytes < best_bytes)
+				// zero encoding
+				best_ctrl = 2;
+				best_bytes = 0;
+			}
+			else
+			{
+				// pick shortest control entry
+				for (int i = 0; i < 2; ++i)
 				{
-					best_ctrl = i;
-					best_bytes = est_bytes;
+					size_t est_bytes = encodeBytesMeasure(buffer, vertex_count_aligned, kBitsV1 + i);
+
+					if (est_bytes < best_bytes)
+					{
+						best_ctrl = i;
+						best_bytes = est_bytes;
+					}
 				}
 			}
 
@@ -402,7 +412,7 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 				memcpy(data, buffer, vertex_count);
 				data += vertex_count;
 			}
-			else
+			else if (best_ctrl != 2)
 			{
 				unsigned char* next = encodeBytes(data, data_end, buffer, vertex_count_aligned, kBitsV1 + best_ctrl);
 				if (!next)
@@ -561,6 +571,11 @@ static const unsigned char* decodeVertexBlock(const unsigned char* data, const u
 			memcpy(buffer, data, vertex_count);
 			data += vertex_count;
 		}
+		else if (ctrl == 2)
+		{
+			// zero encoding
+			memset(buffer, 0, vertex_count);
+		}
 		else
 		{
 			data = decodeBytes(data, data_end, buffer, vertex_count_aligned, version == 0 ? kBitsV0 : kBitsV1 + ctrl);

From e8bc1c888926e1276808c5df7efd236654032ae9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Dec 2024 00:24:18 -0800
Subject: [PATCH 444/581] vertexcodec: Implement initial support for v1 SIMD
 dispatch

We do not have the implementation for decodeBytesGroupSimd yet, but the
outer framing can be parsed the same way we do this for scalar code.

Note that it is safe to call memset/memcpy on aligned vertex count
(buffer has enough space to write to, and data has enough space due to
tail). For now though use unaligned counts for simplicity as this should
only affect the last block.
---
 src/vertexcodec.cpp | 37 +++++++++++++++++++++++++++++++------
 1 file changed, 31 insertions(+), 6 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 1e51cbfec9..78ee99afa4 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1230,22 +1230,47 @@ SIMD_TARGET
 static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, const unsigned char* data_end, unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], int version)
 {
 	assert(vertex_count > 0 && vertex_count <= kVertexBlockMaxSize);
-	assert(version == 0);
-
-	(void)version;
 
 	unsigned char buffer[kVertexBlockMaxSize * 4];
 	unsigned char transposed[kVertexBlockSizeBytes];
 
 	size_t vertex_count_aligned = (vertex_count + kByteGroupSize - 1) & ~(kByteGroupSize - 1);
 
+	size_t control_size = version == 0 ? 0 : vertex_size / 4;
+	if (size_t(data_end - data) < control_size)
+		return NULL;
+
+	const unsigned char* control = data;
+	data += control_size;
+
 	for (size_t k = 0; k < vertex_size; k += 4)
 	{
+		unsigned char ctrl_byte = version == 0 ? 0 : control[k / 4];
+
 		for (size_t j = 0; j < 4; ++j)
 		{
-			data = decodeBytesSimd(data, data_end, buffer + j * vertex_count_aligned, vertex_count_aligned);
-			if (!data)
-				return NULL;
+			int ctrl = (ctrl_byte >> (j * 2)) & 3;
+
+			if (ctrl == 3)
+			{
+				// literal encoding
+				if (size_t(data_end - data) < vertex_count)
+					return NULL;
+
+				memcpy(buffer + j * vertex_count_aligned, data, vertex_count);
+				data += vertex_count;
+			}
+			else if (ctrl == 2)
+			{
+				// zero encoding
+				memset(buffer + j * vertex_count_aligned, 0, vertex_count);
+			}
+			else
+			{
+				data = decodeBytesSimd(data, data_end, buffer + j * vertex_count_aligned, vertex_count_aligned);
+				if (!data)
+					return NULL;
+			}
 		}
 
 		decodeDeltas4Simd(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k);

From 1e35ad058e53619ccf812107e53182668fef6a15 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 5 Dec 2024 11:24:58 -0800
Subject: [PATCH 445/581] vertexcodec: Tag default cases in SIMD switches as
 unreachable

To avoid the compiler inserting extra bounds checks for bits dispatch,
we now tag default: case as unreachable in SIMD implementations.

This is safe because the values are going to be bounded statically, and
all offsetting we will do will keep the value in bounds handled by
switch.

This was less necessary before, because the compiler knew that the
dispatch value (bitslog2) was 2-bit so all cases were handled; it's
going to be less clear with the new dispatch structure.

We could do this for the scalar implementation in the future but there's
not a strong need for that.
---
 src/vertexcodec.cpp | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 78ee99afa4..ec2e83bcd1 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -60,6 +60,15 @@
 #define SIMD_LATENCYOPT
 #endif
 
+// In switch dispatch, marking default case as unreachable allows to remove redundant bounds checks
+#if defined(__GNUC__)
+#define SIMD_UNREACHABLE() __builtin_unreachable()
+#elif defined(__MSC_VER)
+#define SIMD_UNREACHABLE() __assume(0)
+#else
+#define SIMD_UNREACHABLE() assert(0)
+#endif
+
 #endif // !MESHOPTIMIZER_NO_SIMD
 
 #ifdef SIMD_SSE
@@ -744,7 +753,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	default:
-		assert(!"Unexpected bit length"); // unreachable since bitslog2 is a 2-bit value
+		SIMD_UNREACHABLE();
 		return data;
 	}
 }
@@ -803,7 +812,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	default:
-		assert(!"Unexpected bit length"); // unreachable since bitslog2 is a 2-bit value
+		SIMD_UNREACHABLE();
 		return data;
 	}
 }
@@ -926,7 +935,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	default:
-		assert(!"Unexpected bit length"); // unreachable since bitslog2 is a 2-bit value
+		SIMD_UNREACHABLE();
 		return data;
 	}
 }
@@ -1026,7 +1035,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	default:
-		assert(!"Unexpected bit length"); // unreachable since bitslog2 is a 2-bit value
+		SIMD_UNREACHABLE();
 		return data;
 	}
 }

From db49abd8d323aadcbb339f37ccc8ec472efc8ac0 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Dec 2024 08:53:09 -0800
Subject: [PATCH 446/581] vertexcodec: Integrate v1 decoding for SSE
 implementation

Due to the extreme requirements for the decoding loop we need to somehow
integrate the dispatch with minimal changes and minimal extra
computations for the switch index.

For now, map the entire bit group range linearly such that each index
for v0 maps to 0..3 as before, and v1 maps to 4..7 for one palette entry
and 5..8 for another.

On gcc this approach results in extra bounds checks around the switch,
which for some reason is not eliminated via SIMD_UNREACHABLE macro; on
clang this results in reasonable lowering.
---
 src/vertexcodec.cpp | 48 ++++++++++++++++++++++++++++++++++-----------
 1 file changed, 37 insertions(+), 11 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index ec2e83bcd1..04dafc8911 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -649,11 +649,12 @@ static __m128i decodeShuffleMask(unsigned char mask0, unsigned char mask1)
 }
 
 SIMD_TARGET
-static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsigned char* buffer, int bitslog2)
+inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsigned char* buffer, int hbits)
 {
-	switch (bitslog2)
+	switch (hbits)
 	{
 	case 0:
+	case 4:
 	{
 		__m128i result = _mm_setzero_si128();
 
@@ -663,6 +664,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	case 1:
+	case 6:
 	{
 #ifdef __GNUC__
 		typedef int __attribute__((aligned(1))) unaligned_int;
@@ -708,6 +710,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	case 2:
+	case 7:
 	{
 #ifdef SIMD_LATENCYOPT
 		unsigned long long data64;
@@ -744,6 +747,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	case 3:
+	case 8:
 	{
 		__m128i result = _mm_loadu_si128(reinterpret_cast<const __m128i*>(data));
 
@@ -752,6 +756,26 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		return data + 16;
 	}
 
+	case 5:
+	{
+		__m128i rest = _mm_loadu_si128(reinterpret_cast<const __m128i*>(data + 2));
+
+		unsigned char mask0 = data[0];
+		unsigned char mask1 = data[1];
+
+		// bit reverse
+		unsigned char mask0r = ((mask0 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32;
+		unsigned char mask1r = ((mask1 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32;
+
+		__m128i shuf = decodeShuffleMask(mask0r, mask1r);
+
+		__m128i result = _mm_shuffle_epi8(rest, shuf);
+
+		_mm_storeu_si128(reinterpret_cast<__m128i*>(buffer), result);
+
+		return data + 2 + kDecodeBytesGroupCount[mask0] + kDecodeBytesGroupCount[mask1];
+	}
+
 	default:
 		SIMD_UNREACHABLE();
 		return data;
@@ -1117,7 +1141,7 @@ static v128_t unzigzag8(v128_t v)
 
 #if defined(SIMD_SSE) || defined(SIMD_AVX) || defined(SIMD_NEON) || defined(SIMD_WASM)
 SIMD_TARGET
-static const unsigned char* decodeBytesSimd(const unsigned char* data, const unsigned char* data_end, unsigned char* buffer, size_t buffer_size)
+static const unsigned char* decodeBytesSimd(const unsigned char* data, const unsigned char* data_end, unsigned char* buffer, size_t buffer_size, int hshift)
 {
 	assert(buffer_size % kByteGroupSize == 0);
 	assert(kByteGroupSize == 16);
@@ -1138,10 +1162,10 @@ static const unsigned char* decodeBytesSimd(const unsigned char* data, const uns
 		size_t header_offset = i / kByteGroupSize;
 		unsigned char header_byte = header[header_offset / 4];
 
-		data = decodeBytesGroupSimd(data, buffer + i + kByteGroupSize * 0, (header_byte >> 0) & 3);
-		data = decodeBytesGroupSimd(data, buffer + i + kByteGroupSize * 1, (header_byte >> 2) & 3);
-		data = decodeBytesGroupSimd(data, buffer + i + kByteGroupSize * 2, (header_byte >> 4) & 3);
-		data = decodeBytesGroupSimd(data, buffer + i + kByteGroupSize * 3, (header_byte >> 6) & 3);
+		data = decodeBytesGroupSimd(data, buffer + i + kByteGroupSize * 0, hshift + ((header_byte >> 0) & 3));
+		data = decodeBytesGroupSimd(data, buffer + i + kByteGroupSize * 1, hshift + ((header_byte >> 2) & 3));
+		data = decodeBytesGroupSimd(data, buffer + i + kByteGroupSize * 2, hshift + ((header_byte >> 4) & 3));
+		data = decodeBytesGroupSimd(data, buffer + i + kByteGroupSize * 3, hshift + ((header_byte >> 6) & 3));
 	}
 
 	// slow-path: process remaining groups
@@ -1151,10 +1175,9 @@ static const unsigned char* decodeBytesSimd(const unsigned char* data, const uns
 			return NULL;
 
 		size_t header_offset = i / kByteGroupSize;
+		unsigned char header_byte = header[header_offset / 4];
 
-		int bitslog2 = (header[header_offset / 4] >> ((header_offset % 4) * 2)) & 3;
-
-		data = decodeBytesGroupSimd(data, buffer + i, bitslog2);
+		data = decodeBytesGroupSimd(data, buffer + i, hshift + ((header_byte >> ((header_offset % 4) * 2)) & 3));
 	}
 
 	return data;
@@ -1276,7 +1299,10 @@ static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, con
 			}
 			else
 			{
-				data = decodeBytesSimd(data, data_end, buffer + j * vertex_count_aligned, vertex_count_aligned);
+				// for v0, headers are mapped to 0..3; for v1, headers are mapped to 4..8
+				int hshift = version == 0 ? 0 : 4 + ctrl;
+
+				data = decodeBytesSimd(data, data_end, buffer + j * vertex_count_aligned, vertex_count_aligned, hshift);
 				if (!data)
 					return NULL;
 			}

From 8324959e949bc41e2387dc74c969deac4218fcea Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Dec 2024 09:15:12 -0800
Subject: [PATCH 447/581] vertexcodec: Implement NEON and Wasm SIMD decoding
 for v1

We use the same overlapped switch table structure and the same decoding
code as SSE uses; no surprises here.

Also rename bitslog2 to hbits for consistency.
---
 src/vertexcodec.cpp | 55 +++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 51 insertions(+), 4 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 04dafc8911..c4cc163f1c 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -865,11 +865,12 @@ static void neonMoveMask(uint8x16_t mask, unsigned char& mask0, unsigned char& m
 	mask1 = uint8_t((vgetq_lane_u64(mask2, 1) * magic) >> 56);
 }
 
-static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsigned char* buffer, int bitslog2)
+static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsigned char* buffer, int hbits)
 {
-	switch (bitslog2)
+	switch (hbits)
 	{
 	case 0:
+	case 4:
 	{
 		uint8x16_t result = vdupq_n_u8(0);
 
@@ -879,6 +880,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	case 1:
+	case 6:
 	{
 #ifdef SIMD_LATENCYOPT
 		unsigned int data32;
@@ -916,6 +918,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	case 2:
+	case 7:
 	{
 #ifdef SIMD_LATENCYOPT
 		unsigned long long data64;
@@ -950,6 +953,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	case 3:
+	case 8:
 	{
 		uint8x16_t result = vld1q_u8(data);
 
@@ -958,6 +962,25 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		return data + 16;
 	}
 
+	case 5:
+	{
+		unsigned char mask0 = data[0];
+		unsigned char mask1 = data[1];
+
+		// bit reverse
+		unsigned char mask0r = ((mask0 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32;
+		unsigned char mask1r = ((mask1 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32;
+
+		uint8x8_t rest0 = vld1_u8(data + 2);
+		uint8x8_t rest1 = vld1_u8(data + 2 + kDecodeBytesGroupCount[mask0]);
+
+		uint8x16_t result = shuffleBytes(mask0r, mask1r, rest0, rest1);
+
+		vst1q_u8(buffer, result);
+
+		return data + 2 + kDecodeBytesGroupCount[mask0] + kDecodeBytesGroupCount[mask1];
+	}
+
 	default:
 		SIMD_UNREACHABLE();
 		return data;
@@ -991,11 +1014,12 @@ static void wasmMoveMask(v128_t mask, unsigned char& mask0, unsigned char& mask1
 }
 
 SIMD_TARGET
-static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsigned char* buffer, int bitslog2)
+static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsigned char* buffer, int hbits)
 {
-	switch (bitslog2)
+	switch (hbits)
 	{
 	case 0:
+	case 4:
 	{
 		v128_t result = wasm_i8x16_splat(0);
 
@@ -1005,6 +1029,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	case 1:
+	case 6:
 	{
 		v128_t sel2 = wasm_v128_load(data);
 		v128_t rest = wasm_v128_load(data + 4);
@@ -1028,6 +1053,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	case 2:
+	case 7:
 	{
 		v128_t sel4 = wasm_v128_load(data);
 		v128_t rest = wasm_v128_load(data + 8);
@@ -1050,6 +1076,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	case 3:
+	case 8:
 	{
 		v128_t result = wasm_v128_load(data);
 
@@ -1058,6 +1085,26 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		return data + 16;
 	}
 
+	case 5:
+	{
+		v128_t rest = wasm_v128_load(data + 2);
+
+		unsigned char mask0 = data[0];
+		unsigned char mask1 = data[1];
+
+		// bit reverse
+		unsigned char mask0r = ((mask0 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32;
+		unsigned char mask1r = ((mask1 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32;
+
+		v128_t shuf = decodeShuffleMask(mask0r, mask1r);
+
+		v128_t result = wasm_i8x16_swizzle(rest, shuf);
+
+		wasm_v128_store(buffer, result);
+
+		return data + 2 + kDecodeBytesGroupCount[mask0] + kDecodeBytesGroupCount[mask1];
+	}
+
 	default:
 		SIMD_UNREACHABLE();
 		return data;

From 49666ddb79915e866dc169c0bc4f5d4e2b3346d9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Dec 2024 09:17:55 -0800
Subject: [PATCH 448/581] Add release-avx512 config to Makefile for testing

This is only meaningful for the vertex decoder, and there's no other way
to trigger this codepath right now.
---
 Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Makefile b/Makefile
index 650fdcc8d9..5429747006 100644
--- a/Makefile
+++ b/Makefile
@@ -88,6 +88,10 @@ ifeq ($(config),coverage)
 	LDFLAGS+=-coverage
 endif
 
+ifeq ($(config),release-avx512)
+	CXXFLAGS+=-O3 -DNDEBUG -mavx512vl -mavx512vbmi -mavx512vbmi2
+endif
+
 ifeq ($(config),release-scalar)
 	CXXFLAGS+=-O3 -DNDEBUG -DMESHOPTIMIZER_NO_SIMD
 endif

From a6c0e966befc6b7476e02f4a99d55a7aa258505f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Dec 2024 09:24:28 -0800
Subject: [PATCH 449/581] vertexcodec: Implement AVX512 support for v1 decoding

This requires expanding the config to accomodate duplicate entries as
well as computing the rest position via hbits; this can probably be
improved with a different mapping, but this is reasonably fast for now.
---
 src/vertexcodec.cpp | 41 +++++++++++++++++++++++++++++++----------
 1 file changed, 31 insertions(+), 10 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index c4cc163f1c..2b62f6cdab 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -784,18 +784,35 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 #endif
 
 #ifdef SIMD_AVX
-static const __m128i decodeBytesGroupConfig[] = {
-    _mm_set1_epi8(3),
-    _mm_set1_epi8(15),
-    _mm_setr_epi8(6, 4, 2, 0, 14, 12, 10, 8, 22, 20, 18, 16, 30, 28, 26, 24),
-    _mm_setr_epi8(4, 0, 12, 8, 20, 16, 28, 24, 36, 32, 44, 40, 52, 48, 60, 56),
+static const __m128i decodeBytesGroupConfig[2][8] = {
+    {
+        _mm_setzero_si128(),
+        _mm_set1_epi8(3),
+        _mm_set1_epi8(15),
+        _mm_setzero_si128(),
+        _mm_setzero_si128(),
+        _mm_set1_epi8(1),
+        _mm_set1_epi8(3),
+        _mm_set1_epi8(15),
+    },
+    {
+        _mm_setzero_si128(),
+        _mm_setr_epi8(6, 4, 2, 0, 14, 12, 10, 8, 22, 20, 18, 16, 30, 28, 26, 24),
+        _mm_setr_epi8(4, 0, 12, 8, 20, 16, 28, 24, 36, 32, 44, 40, 52, 48, 60, 56),
+        _mm_setzero_si128(),
+        _mm_setzero_si128(),
+        _mm_setr_epi8(7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8),
+        _mm_setr_epi8(6, 4, 2, 0, 14, 12, 10, 8, 22, 20, 18, 16, 30, 28, 26, 24),
+        _mm_setr_epi8(4, 0, 12, 8, 20, 16, 28, 24, 36, 32, 44, 40, 52, 48, 60, 56),
+    },
 };
 
-static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsigned char* buffer, int bitslog2)
+static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsigned char* buffer, int hbits)
 {
-	switch (bitslog2)
+	switch (hbits)
 	{
 	case 0:
+	case 4:
 	{
 		__m128i result = _mm_setzero_si128();
 
@@ -806,14 +823,17 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 
 	case 1:
 	case 2:
+	case 5:
+	case 6:
+	case 7:
 	{
-		const unsigned char* skip = data + (bitslog2 << 2);
+		const unsigned char* skip = data + (hbits < 3 ? (hbits << 2) : (1 << (hbits - 4)));
 
 		__m128i selb = _mm_loadl_epi64(reinterpret_cast<const __m128i*>(data));
 		__m128i rest = _mm_loadu_si128(reinterpret_cast<const __m128i*>(skip));
 
-		__m128i sent = decodeBytesGroupConfig[bitslog2 - 1];
-		__m128i ctrl = decodeBytesGroupConfig[bitslog2 + 1];
+		__m128i sent = decodeBytesGroupConfig[0][hbits];
+		__m128i ctrl = decodeBytesGroupConfig[1][hbits];
 
 		__m128i selw = _mm_shuffle_epi32(selb, 0x44);
 		__m128i sel = _mm_and_si128(sent, _mm_multishift_epi64_epi8(ctrl, selw));
@@ -827,6 +847,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	case 3:
+	case 8:
 	{
 		__m128i result = _mm_loadu_si128(reinterpret_cast<const __m128i*>(data));
 

From fa65c75e0e2e9881a016ff92f5ea13a73095e1df Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Dec 2024 09:27:28 -0800
Subject: [PATCH 450/581] vertexcodec: Fix MSVC warnings

---
 src/vertexcodec.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 2b62f6cdab..598d51b7a7 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -764,8 +764,8 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		unsigned char mask1 = data[1];
 
 		// bit reverse
-		unsigned char mask0r = ((mask0 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32;
-		unsigned char mask1r = ((mask1 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32;
+		unsigned char mask0r = (unsigned char)(((mask0 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32);
+		unsigned char mask1r = (unsigned char)(((mask1 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32);
 
 		__m128i shuf = decodeShuffleMask(mask0r, mask1r);
 
@@ -989,8 +989,8 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		unsigned char mask1 = data[1];
 
 		// bit reverse
-		unsigned char mask0r = ((mask0 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32;
-		unsigned char mask1r = ((mask1 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32;
+		unsigned char mask0r = (unsigned char)(((mask0 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32);
+		unsigned char mask1r = (unsigned char)(((mask1 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32);
 
 		uint8x8_t rest0 = vld1_u8(data + 2);
 		uint8x8_t rest1 = vld1_u8(data + 2 + kDecodeBytesGroupCount[mask0]);
@@ -1114,8 +1114,8 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		unsigned char mask1 = data[1];
 
 		// bit reverse
-		unsigned char mask0r = ((mask0 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32;
-		unsigned char mask1r = ((mask1 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32;
+		unsigned char mask0r = (unsigned char)(((mask0 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32);
+		unsigned char mask1r = (unsigned char)(((mask1 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32);
 
 		v128_t shuf = decodeShuffleMask(mask0r, mask1r);
 

From 2a0abc8d0ee9392fd77bbf71d9445ea4d217f411 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Dec 2024 10:10:41 -0800
Subject: [PATCH 451/581] vertexcodec: Adjust decoding for performance on small
 streams

kByteGroupDecodeLimit was bumped to 28 to accommodate 6-bit groups, but
since they were removed we can go back to 24 to get slightly tighter
loops on small inputs.

For the last block, vertex count is often unaligned; if it is literal or
zero, we can overcopy or overset because everything is properly aligned
and input data must have at least 16b of tail anyway.
---
 src/vertexcodec.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 598d51b7a7..48bed17c47 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -127,7 +127,7 @@ static int gEncodeVertexVersion = 0;
 const size_t kVertexBlockSizeBytes = 8192;
 const size_t kVertexBlockMaxSize = 256;
 const size_t kByteGroupSize = 16;
-const size_t kByteGroupDecodeLimit = 28; // bit group 6: 12 bytes of bit data, 16 bytes of sentinel data (for invalid streams)
+const size_t kByteGroupDecodeLimit = 24;
 const size_t kTailMaxSize = 32;
 
 static const int kBitsV0[4] = {0, 2, 4, 8};
@@ -1353,17 +1353,17 @@ static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, con
 
 			if (ctrl == 3)
 			{
-				// literal encoding
-				if (size_t(data_end - data) < vertex_count)
+				// literal encoding; safe to over-copy due to tail
+				if (size_t(data_end - data) < vertex_count_aligned)
 					return NULL;
 
-				memcpy(buffer + j * vertex_count_aligned, data, vertex_count);
+				memcpy(buffer + j * vertex_count_aligned, data, vertex_count_aligned);
 				data += vertex_count;
 			}
 			else if (ctrl == 2)
 			{
 				// zero encoding
-				memset(buffer + j * vertex_count_aligned, 0, vertex_count);
+				memset(buffer + j * vertex_count_aligned, 0, vertex_count_aligned);
 			}
 			else
 			{

From 856c432eb3f5cfee16892f450fc5905eb6d3aa20 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Dec 2024 13:17:19 -0800
Subject: [PATCH 452/581] vertexcodec: Reverse bits in 1-bit groups to maximize
 SIMD performance

While we pack all other groups from high bits, this doesn't drastically
impact decoding performance as we need to perform bit reassembly anyway.
For 1-bit groups however, we'd like to use the same decoding tables,
that are ordered in the fixed order that must match order movemask
places bits in.

Reversing bits during encoding makes the encoding slightly strange but
it noticeably improves performance for 1-bit groups. For now scalar
decoder just reverses bits back, as performance there is not critical.
---
 src/vertexcodec.cpp | 35 ++++++++++++++++-------------------
 1 file changed, 16 insertions(+), 19 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 48bed17c47..99638ebb3a 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -230,6 +230,11 @@ static unsigned char* encodeBytesGroup(unsigned char* data, const unsigned char*
 			byte |= enc;
 		}
 
+		// encode 1-bit groups in reverse bit order
+		// this makes them faster to decode alongside other groups
+		if (bits == 1)
+			byte = (unsigned char)(((byte * 0x80200802ull) & 0x0884422110ull) * 0x0101010101ull >> 32);
+
 		*data++ = byte;
 	}
 
@@ -466,9 +471,13 @@ static const unsigned char* decodeBytesGroup(const unsigned char* data, unsigned
 	case 1:
 		data_var = data + 2;
 
-		// 2 groups with 8 1-bit values in each byte
-		READ(), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1);
-		READ(), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1);
+		// 2 groups with 8 1-bit values in each byte (reversed from the order in other groups)
+		READ();
+		byte = (unsigned char)(((byte * 0x80200802ull) & 0x0884422110ull) * 0x0101010101ull >> 32);
+		NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1);
+		READ();
+		byte = (unsigned char)(((byte * 0x80200802ull) & 0x0884422110ull) * 0x0101010101ull >> 32);
+		NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1), NEXT(1);
 
 		return data_var;
 	case 2:
@@ -763,11 +772,7 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		unsigned char mask0 = data[0];
 		unsigned char mask1 = data[1];
 
-		// bit reverse
-		unsigned char mask0r = (unsigned char)(((mask0 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32);
-		unsigned char mask1r = (unsigned char)(((mask1 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32);
-
-		__m128i shuf = decodeShuffleMask(mask0r, mask1r);
+		__m128i shuf = decodeShuffleMask(mask0, mask1);
 
 		__m128i result = _mm_shuffle_epi8(rest, shuf);
 
@@ -801,7 +806,7 @@ static const __m128i decodeBytesGroupConfig[2][8] = {
         _mm_setr_epi8(4, 0, 12, 8, 20, 16, 28, 24, 36, 32, 44, 40, 52, 48, 60, 56),
         _mm_setzero_si128(),
         _mm_setzero_si128(),
-        _mm_setr_epi8(7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8),
+        _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
         _mm_setr_epi8(6, 4, 2, 0, 14, 12, 10, 8, 22, 20, 18, 16, 30, 28, 26, 24),
         _mm_setr_epi8(4, 0, 12, 8, 20, 16, 28, 24, 36, 32, 44, 40, 52, 48, 60, 56),
     },
@@ -988,14 +993,10 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		unsigned char mask0 = data[0];
 		unsigned char mask1 = data[1];
 
-		// bit reverse
-		unsigned char mask0r = (unsigned char)(((mask0 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32);
-		unsigned char mask1r = (unsigned char)(((mask1 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32);
-
 		uint8x8_t rest0 = vld1_u8(data + 2);
 		uint8x8_t rest1 = vld1_u8(data + 2 + kDecodeBytesGroupCount[mask0]);
 
-		uint8x16_t result = shuffleBytes(mask0r, mask1r, rest0, rest1);
+		uint8x16_t result = shuffleBytes(mask0, mask1, rest0, rest1);
 
 		vst1q_u8(buffer, result);
 
@@ -1113,11 +1114,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		unsigned char mask0 = data[0];
 		unsigned char mask1 = data[1];
 
-		// bit reverse
-		unsigned char mask0r = (unsigned char)(((mask0 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32);
-		unsigned char mask1r = (unsigned char)(((mask1 * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32);
-
-		v128_t shuf = decodeShuffleMask(mask0r, mask1r);
+		v128_t shuf = decodeShuffleMask(mask0, mask1);
 
 		v128_t result = wasm_i8x16_swizzle(rest, shuf);
 

From 23d80790e319560fadd4f323322688627f6c069c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Dec 2024 13:20:09 -0800
Subject: [PATCH 453/581] demo: Add basic testing coverage for 0xe encoding

This is not fully comprehensive but at least it makes sure we can more
or less decode data we encode.
---
 demo/tests.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 97c12613f0..9d0b4c51c4 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1965,6 +1965,13 @@ void runTests()
 	decodeVertexLarge();
 	encodeVertexEmpty();
 
+	meshopt_encodeVertexVersion(0xe);
+	decodeVertexBitGroups();
+	decodeVertexBitGroupSentinels();
+	decodeVertexLarge();
+	encodeVertexEmpty();
+	meshopt_encodeVertexVersion(0);
+
 	decodeFilterOct8();
 	decodeFilterOct12();
 	decodeFilterQuat12();

From 66ff10da462414f06fc091ba1da044ad7b11ab2e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Dec 2024 16:32:31 -0800
Subject: [PATCH 454/581] vertexcodec: Fix inconsistent static/inline
 attributes

Both GCC and MSVC need decodeBytesGroupSimd to be marked as inline to
actually inline it now; for consistency, annotate all functions that
should be inlined for performance as inline, as decoding loops are very
hot.
---
 src/vertexcodec.cpp | 34 ++++++++++++++++++++--------------
 1 file changed, 20 insertions(+), 14 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 99638ebb3a..fc5acba38f 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -646,7 +646,7 @@ static bool gDecodeBytesGroupInitialized = decodeBytesGroupBuildTables();
 
 #ifdef SIMD_SSE
 SIMD_TARGET
-static __m128i decodeShuffleMask(unsigned char mask0, unsigned char mask1)
+inline __m128i decodeShuffleMask(unsigned char mask0, unsigned char mask1)
 {
 	__m128i sm0 = _mm_loadl_epi64(reinterpret_cast<const __m128i*>(&kDecodeBytesGroupShuffle[mask0]));
 	__m128i sm1 = _mm_loadl_epi64(reinterpret_cast<const __m128i*>(&kDecodeBytesGroupShuffle[mask1]));
@@ -812,7 +812,8 @@ static const __m128i decodeBytesGroupConfig[2][8] = {
     },
 };
 
-static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsigned char* buffer, int hbits)
+SIMD_TARGET
+inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsigned char* buffer, int hbits)
 {
 	switch (hbits)
 	{
@@ -869,7 +870,8 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 #endif
 
 #ifdef SIMD_NEON
-static uint8x16_t shuffleBytes(unsigned char mask0, unsigned char mask1, uint8x8_t rest0, uint8x8_t rest1)
+SIMD_TARGET
+inline uint8x16_t shuffleBytes(unsigned char mask0, unsigned char mask1, uint8x8_t rest0, uint8x8_t rest1)
 {
 	uint8x8_t sm0 = vld1_u8(kDecodeBytesGroupShuffle[mask0]);
 	uint8x8_t sm1 = vld1_u8(kDecodeBytesGroupShuffle[mask1]);
@@ -880,7 +882,8 @@ static uint8x16_t shuffleBytes(unsigned char mask0, unsigned char mask1, uint8x8
 	return vcombine_u8(r0, r1);
 }
 
-static void neonMoveMask(uint8x16_t mask, unsigned char& mask0, unsigned char& mask1)
+SIMD_TARGET
+inline void neonMoveMask(uint8x16_t mask, unsigned char& mask0, unsigned char& mask1)
 {
 	// magic constant found using z3 SMT assuming mask has 8 groups of 0xff or 0x00
 	const uint64_t magic = 0x000103070f1f3f80ull;
@@ -891,7 +894,8 @@ static void neonMoveMask(uint8x16_t mask, unsigned char& mask0, unsigned char& m
 	mask1 = uint8_t((vgetq_lane_u64(mask2, 1) * magic) >> 56);
 }
 
-static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsigned char* buffer, int hbits)
+SIMD_TARGET
+inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsigned char* buffer, int hbits)
 {
 	switch (hbits)
 	{
@@ -1012,7 +1016,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 
 #ifdef SIMD_WASM
 SIMD_TARGET
-static v128_t decodeShuffleMask(unsigned char mask0, unsigned char mask1)
+inline v128_t decodeShuffleMask(unsigned char mask0, unsigned char mask1)
 {
 	v128_t sm0 = wasm_v128_load(&kDecodeBytesGroupShuffle[mask0]);
 	v128_t sm1 = wasm_v128_load(&kDecodeBytesGroupShuffle[mask1]);
@@ -1026,7 +1030,7 @@ static v128_t decodeShuffleMask(unsigned char mask0, unsigned char mask1)
 }
 
 SIMD_TARGET
-static void wasmMoveMask(v128_t mask, unsigned char& mask0, unsigned char& mask1)
+inline void wasmMoveMask(v128_t mask, unsigned char& mask0, unsigned char& mask1)
 {
 	// magic constant found using z3 SMT assuming mask has 8 groups of 0xff or 0x00
 	const uint64_t magic = 0x000103070f1f3f80ull;
@@ -1036,7 +1040,7 @@ static void wasmMoveMask(v128_t mask, unsigned char& mask0, unsigned char& mask1
 }
 
 SIMD_TARGET
-static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsigned char* buffer, int hbits)
+inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsigned char* buffer, int hbits)
 {
 	switch (hbits)
 	{
@@ -1132,7 +1136,7 @@ static const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 
 #if defined(SIMD_SSE) || defined(SIMD_AVX)
 SIMD_TARGET
-static void transpose8(__m128i& x0, __m128i& x1, __m128i& x2, __m128i& x3)
+inline void transpose8(__m128i& x0, __m128i& x1, __m128i& x2, __m128i& x3)
 {
 	__m128i t0 = _mm_unpacklo_epi8(x0, x1);
 	__m128i t1 = _mm_unpackhi_epi8(x0, x1);
@@ -1146,7 +1150,7 @@ static void transpose8(__m128i& x0, __m128i& x1, __m128i& x2, __m128i& x3)
 }
 
 SIMD_TARGET
-static __m128i unzigzag8(__m128i v)
+inline __m128i unzigzag8(__m128i v)
 {
 	__m128i xl = _mm_sub_epi8(_mm_setzero_si128(), _mm_and_si128(v, _mm_set1_epi8(1)));
 	__m128i xr = _mm_and_si128(_mm_srli_epi16(v, 1), _mm_set1_epi8(127));
@@ -1156,7 +1160,8 @@ static __m128i unzigzag8(__m128i v)
 #endif
 
 #ifdef SIMD_NEON
-static void transpose8(uint8x16_t& x0, uint8x16_t& x1, uint8x16_t& x2, uint8x16_t& x3)
+SIMD_TARGET
+inline void transpose8(uint8x16_t& x0, uint8x16_t& x1, uint8x16_t& x2, uint8x16_t& x3)
 {
 	uint8x16x2_t t01 = vzipq_u8(x0, x1);
 	uint8x16x2_t t23 = vzipq_u8(x2, x3);
@@ -1170,7 +1175,8 @@ static void transpose8(uint8x16_t& x0, uint8x16_t& x1, uint8x16_t& x2, uint8x16_
 	x3 = vreinterpretq_u8_u16(x23.val[1]);
 }
 
-static uint8x16_t unzigzag8(uint8x16_t v)
+SIMD_TARGET
+inline uint8x16_t unzigzag8(uint8x16_t v)
 {
 	uint8x16_t xl = vreinterpretq_u8_s8(vnegq_s8(vreinterpretq_s8_u8(vandq_u8(v, vdupq_n_u8(1)))));
 	uint8x16_t xr = vshrq_n_u8(v, 1);
@@ -1181,7 +1187,7 @@ static uint8x16_t unzigzag8(uint8x16_t v)
 
 #ifdef SIMD_WASM
 SIMD_TARGET
-static void transpose8(v128_t& x0, v128_t& x1, v128_t& x2, v128_t& x3)
+inline void transpose8(v128_t& x0, v128_t& x1, v128_t& x2, v128_t& x3)
 {
 	v128_t t0 = wasmx_unpacklo_v8x16(x0, x1);
 	v128_t t1 = wasmx_unpackhi_v8x16(x0, x1);
@@ -1195,7 +1201,7 @@ static void transpose8(v128_t& x0, v128_t& x1, v128_t& x2, v128_t& x3)
 }
 
 SIMD_TARGET
-static v128_t unzigzag8(v128_t v)
+inline v128_t unzigzag8(v128_t v)
 {
 	v128_t xl = wasm_i8x16_neg(wasm_v128_and(v, wasm_i8x16_splat(1)));
 	v128_t xr = wasm_u8x16_shr(v, 1);

From 1872d826c90bcc6e76471afa2e7f38533ab9ac6e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Dec 2024 16:48:34 -0800
Subject: [PATCH 455/581] vertexcodec: Clean up AVX-512 skip computation

Instead of using two different formulas for v0 and v1 hbit encoding, we
can always use a shift and compute the shift dynamically. This seems to
still be preferable to loading the value from the table.
---
 src/vertexcodec.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index fc5acba38f..753eb60e3c 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -827,13 +827,13 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		return data;
 	}
 
-	case 1:
-	case 2:
-	case 5:
+	case 5: // 1-bit
+	case 1: // 2-bit
 	case 6:
+	case 2: // 4-bit
 	case 7:
 	{
-		const unsigned char* skip = data + (hbits < 3 ? (hbits << 2) : (1 << (hbits - 4)));
+		const unsigned char* skip = data + (2 << (hbits < 3 ? hbits : hbits - 5));
 
 		__m128i selb = _mm_loadl_epi64(reinterpret_cast<const __m128i*>(data));
 		__m128i rest = _mm_loadu_si128(reinterpret_cast<const __m128i*>(skip));

From 2a8476de5fd77a12b4ca5d4721805dbdd01ee466 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 6 Dec 2024 18:15:49 -0800
Subject: [PATCH 456/581] vertexcodec: Fix SIMD_UNREACHABLE definition for MSVC

This was never actually defined as _MSC_VER was misspelled. However,
this also results in "unreachable code" warnings so we need to remove
the return statement.
---
 src/vertexcodec.cpp | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 753eb60e3c..be40772636 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -63,10 +63,10 @@
 // In switch dispatch, marking default case as unreachable allows to remove redundant bounds checks
 #if defined(__GNUC__)
 #define SIMD_UNREACHABLE() __builtin_unreachable()
-#elif defined(__MSC_VER)
-#define SIMD_UNREACHABLE() __assume(0)
+#elif defined(_MSC_VER)
+#define SIMD_UNREACHABLE() __assume(false)
 #else
-#define SIMD_UNREACHABLE() assert(0)
+#define SIMD_UNREACHABLE() assert(!"Unreachable")
 #endif
 
 #endif // !MESHOPTIMIZER_NO_SIMD
@@ -783,7 +783,6 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 
 	default:
 		SIMD_UNREACHABLE();
-		return data;
 	}
 }
 #endif
@@ -864,7 +863,6 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 
 	default:
 		SIMD_UNREACHABLE();
-		return data;
 	}
 }
 #endif
@@ -1129,7 +1127,6 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 
 	default:
 		SIMD_UNREACHABLE();
-		return data;
 	}
 }
 #endif

From c64dbfe5c5578f1322ffb539667caebcf4051d94 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 7 Dec 2024 10:05:10 -0800
Subject: [PATCH 457/581] vertexcodec: Expand trace output to include control
 stats

We now track which control mode is used per byte and summarize the stats
in trace output when using new encoding.
---
 src/vertexcodec.cpp | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index be40772636..97dfc03627 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -162,6 +162,7 @@ struct Stats
 	size_t header;  // bytes for header
 	size_t bitg[9]; // bytes for bit groups
 	size_t bitc[8]; // bit consistency: how many bits are shared between all bytes in a group
+	size_t ctrl[4]; // number of control groups
 };
 
 static Stats* bytestats = NULL;
@@ -417,6 +418,10 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 
 			control[k / 4] |= best_ctrl << ((k % 4) * 2);
 
+#if TRACE
+			vertexstats[k].ctrl[best_ctrl]++;
+#endif
+
 			if (best_ctrl == 3)
 			{
 				// literal encoding
@@ -1477,11 +1482,21 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 		printf("%2d: %7d bytes [%4.1f%%] %.1f bpv", int(k), int(vsk.size), double(vsk.size) / double(total_size) * 100, double(vsk.size) / double(vertex_count) * 8);
 
 		size_t total_k = vsk.header + vsk.bitg[1] + vsk.bitg[2] + vsk.bitg[4] + vsk.bitg[8];
+		double total_kr = total_k ? 1.0 / double(total_k) : 0;
+
+		printf(" |\thdr [%5.1f%%] bitg [1 %4.1f%% 2 %4.1f%% 4 %4.1f%% 8 %4.1f%%]",
+		    double(vsk.header) * total_kr * 100,
+		    double(vsk.bitg[1]) * total_kr * 100, double(vsk.bitg[2]) * total_kr * 100,
+		    double(vsk.bitg[4]) * total_kr * 100, double(vsk.bitg[8]) * total_kr * 100);
 
-		printf(" |\thdr [%5.1f%%] bitg [1 %4.1f%% 2 %4.1f%% 4 %4.1f%% %4.1f%%]",
-		    double(vsk.header) / double(total_k) * 100,
-		    double(vsk.bitg[1]) / double(total_k) * 100, double(vsk.bitg[2]) / double(total_k) * 100,
-		    double(vsk.bitg[4]) / double(total_k) * 100, double(vsk.bitg[8]) / double(total_k) * 100);
+		size_t total_ctrl = vsk.ctrl[0] + vsk.ctrl[1] + vsk.ctrl[2] + vsk.ctrl[3];
+
+		if (total_ctrl)
+		{
+			printf(" |\tctrl %3.0f%% %3.0f%% %3.0f%% %3.0f%%",
+			    double(vsk.ctrl[0]) / double(total_ctrl) * 100, double(vsk.ctrl[1]) / double(total_ctrl) * 100,
+			    double(vsk.ctrl[2]) / double(total_ctrl) * 100, double(vsk.ctrl[3]) / double(total_ctrl) * 100);
+		}
 
 		printf(" |\tbitc [%3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%%]",
 		    double(vsk.bitc[0]) / double(vertex_count) * 100, double(vsk.bitc[1]) / double(vertex_count) * 100,

From 896a278e37700baea4c0f115206757ad88c29ad4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 7 Dec 2024 10:25:57 -0800
Subject: [PATCH 458/581] tools: Add file based decoding benchmarks to
 codecbench

Instead of just working on synthetic data, codecbench can now read a set
of files, recompress them into v0/v1 and profile decompression
performance.

This gives a more accurate representation vs just running codecbench, as
it's using the full data set in all its complexity, and instead of
rerunning one file many times it runs a sequence of files so the branch
predictor can't adapt too much to the specific structure of one file.
---
 tools/codecbench.cpp | 116 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)

diff --git a/tools/codecbench.cpp b/tools/codecbench.cpp
index 1314c070b6..016071bc33 100644
--- a/tools/codecbench.cpp
+++ b/tools/codecbench.cpp
@@ -161,12 +161,66 @@ void benchFilters(size_t count, double& besto8, double& besto12, double& bestq12
 	}
 }
 
+struct File
+{
+	std::vector<unsigned char> v0;
+	std::vector<unsigned char> v1;
+	size_t stride;
+	size_t count;
+};
+
+File readFile(const char* path)
+{
+	FILE* file = fopen(path, "rb");
+	assert(file);
+
+	const char* name = strrchr(path, '/');
+	name = name ? name + 1 : path;
+
+	int vcnt, vsz;
+	int sr = sscanf(name, "v%d_s%d_", &vcnt, &vsz);
+	assert(sr == 2);
+	(void)sr;
+
+	std::vector<unsigned char> input;
+	unsigned char buffer[4096];
+	size_t bytes_read;
+
+	while ((bytes_read = fread(buffer, 1, sizeof(buffer), file)) > 0)
+		input.insert(input.end(), buffer, buffer + bytes_read);
+
+	fclose(file);
+
+	File result = {};
+	result.count = vcnt;
+	result.stride = vsz;
+
+	std::vector<unsigned char> decoded(result.count * result.stride);
+	int res = meshopt_decodeVertexBuffer(&decoded[0], result.count, result.stride, &input[0], input.size());
+	if (res != 0 && input.size() == decoded.size())
+	{
+		// some files are not encoded
+		memcpy(decoded.data(), input.data(), decoded.size());
+	}
+
+	meshopt_encodeVertexVersion(0);
+	result.v0.resize(meshopt_encodeVertexBufferBound(result.count, result.stride));
+	result.v0.resize(meshopt_encodeVertexBuffer(result.v0.data(), result.v0.size(), decoded.data(), result.count, result.stride));
+
+	meshopt_encodeVertexVersion(0xe);
+	result.v1.resize(meshopt_encodeVertexBufferBound(result.count, result.stride));
+	result.v1.resize(meshopt_encodeVertexBuffer(result.v1.data(), result.v1.size(), decoded.data(), result.count, result.stride));
+
+	return result;
+}
+
 int main(int argc, char** argv)
 {
 	meshopt_encodeIndexVersion(1);
 
 	bool verbose = false;
 	bool loop = false;
+	bool inputs = false;
 
 	for (int i = 1; i < argc; ++i)
 	{
@@ -174,6 +228,68 @@ int main(int argc, char** argv)
 			verbose = true;
 		if (strcmp(argv[i], "-l") == 0)
 			loop = true;
+		if (argv[i][0] != '-')
+			inputs = true;
+	}
+
+	if (inputs)
+	{
+		std::vector<File> files;
+		for (int i = 1; i < argc; ++i)
+			if (argv[i][0] != '-')
+				files.push_back(readFile(argv[i]));
+
+		size_t maxSize = 0;
+		size_t totalSize = 0;
+		size_t totalV0 = 0, totalV1 = 0;
+		for (size_t i = 0; i < files.size(); ++i)
+		{
+			maxSize = std::max(maxSize, files[i].count * files[i].stride);
+			totalSize += files[i].count * files[i].stride;
+			totalV0 += files[i].v0.size();
+			totalV1 += files[i].v1.size();
+		}
+
+		std::vector<unsigned char> buffer(maxSize);
+
+		printf("Algorithm   :\tvtx\tvtxe\n");
+		printf("Size (MB)   :\t%.2f\t%.2f\n", double(totalV0) / 1024 / 1024, double(totalV1) / 1024 / 1024);
+
+		for (int l = 0; l < (loop ? 100 : 1); ++l)
+		{
+			double bestvd0 = 0, bestvd1 = 0;
+
+			for (int attempt = 0; attempt < 50; ++attempt)
+			{
+				double t0 = timestamp();
+
+				for (size_t i = 0; i < files.size(); ++i)
+				{
+					int rv = meshopt_decodeVertexBuffer(&buffer[0], files[i].count, files[i].stride, &files[i].v0[0], files[i].v0.size());
+					assert(rv == 0);
+					(void)rv;
+				}
+
+				double t1 = timestamp();
+
+				for (size_t i = 0; i < files.size(); ++i)
+				{
+					int rv = meshopt_decodeVertexBuffer(&buffer[0], files[i].count, files[i].stride, &files[i].v1[0], files[i].v1.size());
+					assert(rv == 0);
+					(void)rv;
+				}
+
+				double t2 = timestamp();
+
+				double GB = 1024 * 1024 * 1024;
+
+				bestvd0 = std::max(bestvd0, double(totalSize) / GB / (t1 - t0));
+				bestvd1 = std::max(bestvd1, double(totalSize) / GB / (t2 - t1));
+			}
+
+			printf("Score (GB/s):\t%.2f\t%.2f\n", bestvd0, bestvd1);
+		}
+		return 0;
 	}
 
 	const int N = 1000;

From 8fd30bac5f78e94fafe1eab672d5a5e2da4eed76 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 7 Dec 2024 10:28:23 -0800
Subject: [PATCH 459/581] demo: Remove benchmarkVertex in favor of codecbench

codecbench works better as a decoding benchmark since it can work on
real data set, whereas demo decoding may vary based on .obj file due to
various channels being redundant.
---
 demo/main.cpp | 49 +------------------------------------------------
 1 file changed, 1 insertion(+), 48 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index f6006711c3..db1e31b91c 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -856,49 +856,6 @@ void encodeVertex(const Mesh& mesh, const char* pvn, bool validate = true)
 	    (double(result.size() * sizeof(PV)) / (1 << 30)) / (end - middle));
 }
 
-template <typename PV>
-void benchmarkVertex(const Mesh& mesh, const char* pvn)
-{
-	std::vector<PV> pv(mesh.vertices.size());
-	packMesh(pv, mesh.vertices);
-
-	// allocate result outside of the timing loop to exclude memset() from decode timing
-	std::vector<PV> result(mesh.vertices.size());
-
-	std::vector<unsigned char> vbuf(meshopt_encodeVertexBufferBound(mesh.vertices.size(), sizeof(PV)));
-	vbuf.resize(meshopt_encodeVertexBuffer(&vbuf[0], vbuf.size(), &pv[0], mesh.vertices.size(), sizeof(PV)));
-
-	// warmup
-	meshopt_decodeVertexBuffer(&result[0], mesh.vertices.size(), sizeof(PV), &vbuf[0], vbuf.size());
-
-	for (int run = 0; run < 10; ++run)
-	{
-		double mint = 0;
-		double avgt = 0;
-		double vart = 0;
-
-		for (int i = 0; i < 100; ++i)
-		{
-			double start = timestamp();
-			meshopt_decodeVertexBuffer(&result[0], mesh.vertices.size(), sizeof(PV), &vbuf[0], vbuf.size());
-			double end = timestamp();
-
-			double time = end - start;
-
-			mint = (mint == 0 || time < mint) ? time : mint;
-
-			// Welford variance computation
-			double delta = time - avgt;
-			avgt += delta / (i + 1);
-			vart += delta * (time - avgt);
-		}
-
-		printf("VtxCodec%1s: decode best %.2f msec (%.2f GB/s); avg %.2f +- %.2f msec\n", pvn,
-		    mint * 1000, (double(result.size() * sizeof(PV)) / (1 << 30)) / mint,
-		    avgt * 1000, sqrt(vart / 100) * 1000);
-	}
-}
-
 void stripify(const Mesh& mesh, bool use_restart, char desc)
 {
 	unsigned int restart_index = use_restart ? ~0u : 0;
@@ -1446,14 +1403,10 @@ void processDev(const char* path)
 	meshopt_optimizeVertexCache(&copy.indices[0], &copy.indices[0], copy.indices.size(), copy.vertices.size());
 	meshopt_optimizeVertexFetch(&copy.vertices[0], &copy.indices[0], copy.indices.size(), &copy.vertices[0], copy.vertices.size(), sizeof(Vertex));
 
+	meshopt_encodeVertexVersion(0);
 	encodeVertex<PackedVertex>(copy, "0");
 	meshopt_encodeVertexVersion(0xe);
 	encodeVertex<PackedVertex>(copy, "1", /* validate= */ false);
-	meshopt_encodeVertexVersion(0);
-
-	benchmarkVertex<PackedVertex>(copy, "0");
-	meshopt_encodeVertexVersion(0xe);
-	benchmarkVertex<PackedVertex>(copy, "1");
 }
 
 void processNanite(const char* path)

From 73196c85b47510fdb347630195d0a923d284394b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 7 Dec 2024 10:33:36 -0800
Subject: [PATCH 460/581] tools: Add compression ratio to codecbench as well

This makes it easier to validate output of codecbench vs codectest.
---
 tools/codecbench.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/codecbench.cpp b/tools/codecbench.cpp
index 016071bc33..40109d9041 100644
--- a/tools/codecbench.cpp
+++ b/tools/codecbench.cpp
@@ -254,6 +254,7 @@ int main(int argc, char** argv)
 
 		printf("Algorithm   :\tvtx\tvtxe\n");
 		printf("Size (MB)   :\t%.2f\t%.2f\n", double(totalV0) / 1024 / 1024, double(totalV1) / 1024 / 1024);
+		printf("Ratio       :\t%.2f\t%.2f\n", double(totalV0) / double(totalSize), double(totalV1) / double(totalSize));
 
 		for (int l = 0; l < (loop ? 100 : 1); ++l)
 		{

From 4d39cbfb9149b9f8562d4a368697645bae0f11a3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 8 Dec 2024 20:25:23 -0800
Subject: [PATCH 461/581] tools: Fix variable naming in codecbench

We use snake_case vs pascalCase.
---
 tools/codecbench.cpp | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/tools/codecbench.cpp b/tools/codecbench.cpp
index 40109d9041..0b67c58f1a 100644
--- a/tools/codecbench.cpp
+++ b/tools/codecbench.cpp
@@ -239,22 +239,22 @@ int main(int argc, char** argv)
 			if (argv[i][0] != '-')
 				files.push_back(readFile(argv[i]));
 
-		size_t maxSize = 0;
-		size_t totalSize = 0;
-		size_t totalV0 = 0, totalV1 = 0;
+		size_t max_size = 0;
+		size_t total_size = 0;
+		size_t total_v0 = 0, total_v1 = 0;
 		for (size_t i = 0; i < files.size(); ++i)
 		{
-			maxSize = std::max(maxSize, files[i].count * files[i].stride);
-			totalSize += files[i].count * files[i].stride;
-			totalV0 += files[i].v0.size();
-			totalV1 += files[i].v1.size();
+			max_size = std::max(max_size, files[i].count * files[i].stride);
+			total_size += files[i].count * files[i].stride;
+			total_v0 += files[i].v0.size();
+			total_v1 += files[i].v1.size();
 		}
 
-		std::vector<unsigned char> buffer(maxSize);
+		std::vector<unsigned char> buffer(max_size);
 
 		printf("Algorithm   :\tvtx\tvtxe\n");
-		printf("Size (MB)   :\t%.2f\t%.2f\n", double(totalV0) / 1024 / 1024, double(totalV1) / 1024 / 1024);
-		printf("Ratio       :\t%.2f\t%.2f\n", double(totalV0) / double(totalSize), double(totalV1) / double(totalSize));
+		printf("Size (MB)   :\t%.2f\t%.2f\n", double(total_v0) / 1024 / 1024, double(total_v1) / 1024 / 1024);
+		printf("Ratio       :\t%.2f\t%.2f\n", double(total_v0) / double(total_size), double(total_v1) / double(total_size));
 
 		for (int l = 0; l < (loop ? 100 : 1); ++l)
 		{
@@ -284,8 +284,8 @@ int main(int argc, char** argv)
 
 				double GB = 1024 * 1024 * 1024;
 
-				bestvd0 = std::max(bestvd0, double(totalSize) / GB / (t1 - t0));
-				bestvd1 = std::max(bestvd1, double(totalSize) / GB / (t2 - t1));
+				bestvd0 = std::max(bestvd0, double(total_size) / GB / (t1 - t0));
+				bestvd1 = std::max(bestvd1, double(total_size) / GB / (t2 - t1));
 			}
 
 			printf("Score (GB/s):\t%.2f\t%.2f\n", bestvd0, bestvd1);

From 8a5ae9d593d3519cc43682836ce4a3cd8edb2241 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 10 Dec 2024 09:41:40 -0800
Subject: [PATCH 462/581] gltfpack: Output buffers[] list after extension list

Semantically these are exactly the same - JSON output is unordered.
However, when inspecting the files manually, it makes more sense to
see assets/extensions first. We could append buffers at the end, but we
try to follow logical order wrt referencing glTF objects earlier in the
JSON stream just in case streaming parsers want to take the opportunity
to optimize the parsing flow.
---
 gltf/gltfpack.cpp | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 6dfaf8adaa..d099c20b1e 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -341,7 +341,7 @@ struct hash<std::pair<uint64_t, uint64_t> >
 };
 } // namespace std
 
-static void process(cgltf_data* data, const char* input_path, const char* output_path, const char* report_path, std::vector<Mesh>& meshes, std::vector<Animation>& animations, const Settings& settings, std::string& json, std::string& bin, std::string& fallback, size_t& fallback_size)
+static size_t process(cgltf_data* data, const char* input_path, const char* output_path, const char* report_path, std::vector<Mesh>& meshes, std::vector<Animation>& animations, const Settings& settings, std::string& json, std::string& bin, std::string& fallback, size_t& fallback_size)
 {
 	if (settings.verbose)
 	{
@@ -880,6 +880,9 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 
 	writeExtensions(json, extensions, sizeof(extensions) / sizeof(extensions[0]));
 
+	// buffers[] array to be inserted by the caller
+	size_t bufferspec_pos = json.size();
+
 	std::string json_views;
 	finalizeBufferViews(json_views, views, bin, settings.fallback ? &fallback : NULL, fallback_size);
 
@@ -945,6 +948,8 @@ static void process(cgltf_data* data, const char* input_path, const char* output
 			fprintf(stderr, "Warning: cannot save report to %s\n", report_path);
 		}
 	}
+
+	return bufferspec_pos;
 }
 
 static void writeU32(FILE* out, uint32_t data)
@@ -1080,7 +1085,10 @@ int gltfpack(const char* input, const char* output, const char* report, Settings
 
 	std::string json, bin, fallback;
 	size_t fallback_size = 0;
-	process(data, input, output, report, meshes, animations, settings, json, bin, fallback, fallback_size);
+
+	json += '{';
+	size_t bufferspec_pos = process(data, input, output, report, meshes, animations, settings, json, bin, fallback, fallback_size);
+	json += '}';
 
 	cgltf_free(data);
 
@@ -1107,13 +1115,9 @@ int gltfpack(const char* input, const char* output, const char* report, Settings
 		}
 
 		std::string bufferspec = getBufferSpec(getBaseName(binpath.c_str()), bin.size(), settings.fallback ? getBaseName(fbpath.c_str()) : NULL, fallback_size, settings.compress);
+		json.insert(bufferspec_pos, "," + bufferspec);
 
-		fprintf(outjson, "{");
-		fwrite(bufferspec.c_str(), bufferspec.size(), 1, outjson);
-		fprintf(outjson, ",");
 		fwrite(json.c_str(), json.size(), 1, outjson);
-		fprintf(outjson, "}");
-
 		fwrite(bin.c_str(), bin.size(), 1, outbin);
 
 		if (settings.fallback)
@@ -1145,9 +1149,7 @@ int gltfpack(const char* input, const char* output, const char* report, Settings
 		}
 
 		std::string bufferspec = getBufferSpec(NULL, bin.size(), settings.fallback ? getBaseName(fbpath.c_str()) : NULL, fallback_size, settings.compress);
-
-		json.insert(0, "{" + bufferspec + ",");
-		json.push_back('}');
+		json.insert(bufferspec_pos, "," + bufferspec);
 
 		while (json.size() % 4)
 			json.push_back(' ');

From cd1f62b64ad9f20801adf8074c67f8e8d3afd384 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 10 Dec 2024 09:58:49 -0800
Subject: [PATCH 463/581] gltfpack: Support writing animation tracks with
 custom time

This allows more flexibility in processing the animations before
serialization. When the track time is present, we write it instead of a
fixed-rate frequency track.

For now no attempt to deduplicate time tracks is taken; this could be
added in the future if need be, but the assumption is that the more
optimal way to serialize tracks with shared time ranges is to use
resampling anyway.
---
 gltf/write.cpp | 44 +++++++++++++++++++++++++++++++-------------
 1 file changed, 31 insertions(+), 13 deletions(-)

diff --git a/gltf/write.cpp b/gltf/write.cpp
index d6824007b0..3111caafa2 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -1079,13 +1079,8 @@ void writeMeshGeometry(std::string& json, std::vector<BufferView>& views, std::s
 	}
 }
 
-static size_t writeAnimationTime(std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, float mint, int frames, float period, const Settings& settings)
+static size_t writeAnimationTime(std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const std::vector<float>& time, const Settings& settings)
 {
-	std::vector<float> time(frames);
-
-	for (int j = 0; j < frames; ++j)
-		time[j] = mint + float(j) * period;
-
 	std::string scratch;
 	StreamFormat format = writeTimeStream(scratch, time);
 	BufferView::Compression compression = settings.compress ? BufferView::Compression_Attribute : BufferView::Compression_None;
@@ -1095,13 +1090,23 @@ static size_t writeAnimationTime(std::vector<BufferView>& views, std::string& js
 	views[view].data += scratch;
 
 	comma(json_accessors);
-	writeAccessor(json_accessors, view, offset, cgltf_type_scalar, format.component_type, format.normalized, frames, &time.front(), &time.back(), 1);
+	writeAccessor(json_accessors, view, offset, cgltf_type_scalar, format.component_type, format.normalized, time.size(), &time.front(), &time.back(), 1);
 
 	size_t time_accr = accr_offset++;
 
 	return time_accr;
 }
 
+static size_t writeAnimationTime(std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, float mint, int frames, float period, const Settings& settings)
+{
+	std::vector<float> time(frames);
+
+	for (int j = 0; j < frames; ++j)
+		time[j] = mint + float(j) * period;
+
+	return writeAnimationTime(views, json_accessors, accr_offset, time, settings);
+}
+
 size_t writeJointBindMatrices(std::vector<BufferView>& views, std::string& json_accessors, size_t& accr_offset, const cgltf_skin& skin, const QuantizationPosition& qp, const Settings& settings)
 {
 	std::string scratch;
@@ -1398,19 +1403,28 @@ void writeAnimation(std::string& json, std::vector<BufferView>& views, std::stri
 
 	bool needs_time = false;
 	bool needs_pose = false;
+	bool needs_custom_time = false;
 
 	for (size_t j = 0; j < tracks.size(); ++j)
 	{
 		const Track& track = *tracks[j];
 
-		assert(track.time.empty());
-		assert(track.data.size() == track.components * (track.constant ? 1 : animation.frames));
+		if (track.time.empty())
+		{
+			assert(track.data.size() == track.components * (track.constant ? 1 : animation.frames));
 
-		needs_time = needs_time || !track.constant;
-		needs_pose = needs_pose || track.constant;
+			needs_time = needs_time || !track.constant;
+			needs_pose = needs_pose || track.constant;
+		}
+		else
+		{
+			assert(track.data.size() == track.components * track.time.size());
+
+			needs_custom_time = true;
+		}
 	}
 
-	bool needs_range = needs_pose && !needs_time && animation.frames > 1;
+	bool needs_range = needs_pose && !needs_time && !needs_custom_time && animation.frames > 1;
 
 	needs_pose = needs_pose && !(needs_range && tracks.size() == 1);
 
@@ -1435,6 +1449,10 @@ void writeAnimation(std::string& json, std::vector<BufferView>& views, std::stri
 		bool range = needs_range && j == 0;
 		int range_size = range ? 2 : 1;
 
+		size_t track_time_accr = time_accr;
+		if (!track.time.empty())
+			track_time_accr = writeAnimationTime(views, json_accessors, accr_offset, track.time, settings);
+
 		std::string scratch;
 		StreamFormat format = writeKeyframeStream(scratch, track.path, track.data, settings);
 
@@ -1457,7 +1475,7 @@ void writeAnimation(std::string& json, std::vector<BufferView>& views, std::stri
 
 		comma(json_samplers);
 		append(json_samplers, "{\"input\":");
-		append(json_samplers, range ? range_accr : (track.constant ? pose_accr : time_accr));
+		append(json_samplers, range ? range_accr : (track.constant ? pose_accr : track_time_accr));
 		append(json_samplers, ",\"output\":");
 		append(json_samplers, data_accr);
 		if (track.interpolation == cgltf_interpolation_type_step)

From c1a1658f31c67e2defc341799362950050050653 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 10 Dec 2024 11:46:36 -0800
Subject: [PATCH 464/581] gltfpack: Implement support for tracks with cubic
 spline interpolation

Tracks with cubic splines have three output components for each input
component; also, they require writing interpolation type properly.

When serializing cubic spline tracks for rotations, the tangents are not
actually quaternions; as such, they can't be encoded using quaternion
filter, and in -cc mode we need to fall back to raw snorm encoding. Even
snorm encoding technically might not be sufficient as tangents could be
outside of -1..1 range, but for now we can probably clamp out of range
tangents.
---
 gltf/animation.cpp |  1 +
 gltf/gltfpack.h    |  2 +-
 gltf/stream.cpp    |  4 ++--
 gltf/write.cpp     | 33 ++++++++++++++++++++++++---------
 4 files changed, 28 insertions(+), 12 deletions(-)

diff --git a/gltf/animation.cpp b/gltf/animation.cpp
index 27381254c3..d78ccb4929 100644
--- a/gltf/animation.cpp
+++ b/gltf/animation.cpp
@@ -308,6 +308,7 @@ void processAnimation(Animation& animation, const Settings& settings)
 
 		track.time.clear();
 		track.data.swap(result);
+		track.interpolation = track.interpolation == cgltf_interpolation_type_cubic_spline ? cgltf_interpolation_type_linear : track.interpolation;
 
 		float tolerance = getDeltaTolerance(track.path);
 
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 1510ef394b..5868bf1610 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -362,7 +362,7 @@ void getPositionBounds(float min[3], float max[3], const Stream& stream, const Q
 StreamFormat writeVertexStream(std::string& bin, const Stream& stream, const QuantizationPosition& qp, const QuantizationTexture& qt, const Settings& settings);
 StreamFormat writeIndexStream(std::string& bin, const std::vector<unsigned int>& stream);
 StreamFormat writeTimeStream(std::string& bin, const std::vector<float>& data);
-StreamFormat writeKeyframeStream(std::string& bin, cgltf_animation_path_type type, const std::vector<Attr>& data, const Settings& settings);
+StreamFormat writeKeyframeStream(std::string& bin, cgltf_animation_path_type type, const std::vector<Attr>& data, const Settings& settings, bool has_tangents = false);
 
 void compressVertexStream(std::string& bin, const std::string& data, size_t count, size_t stride);
 void compressIndexStream(std::string& bin, const std::string& data, size_t count, size_t stride);
diff --git a/gltf/stream.cpp b/gltf/stream.cpp
index 402c743f1a..1ed7276f93 100644
--- a/gltf/stream.cpp
+++ b/gltf/stream.cpp
@@ -679,11 +679,11 @@ StreamFormat writeTimeStream(std::string& bin, const std::vector<float>& data)
 	return format;
 }
 
-StreamFormat writeKeyframeStream(std::string& bin, cgltf_animation_path_type type, const std::vector<Attr>& data, const Settings& settings)
+StreamFormat writeKeyframeStream(std::string& bin, cgltf_animation_path_type type, const std::vector<Attr>& data, const Settings& settings, bool has_tangents)
 {
 	if (type == cgltf_animation_path_type_rotation)
 	{
-		StreamFormat::Filter filter = settings.compressmore ? StreamFormat::Filter_Quat : StreamFormat::Filter_None;
+		StreamFormat::Filter filter = settings.compressmore && !has_tangents ? StreamFormat::Filter_Quat : StreamFormat::Filter_None;
 
 		size_t offset = bin.size();
 		size_t stride = 8;
diff --git a/gltf/write.cpp b/gltf/write.cpp
index 3111caafa2..93dc854564 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -113,13 +113,25 @@ static const char* alphaMode(cgltf_alpha_mode mode)
 	{
 	case cgltf_alpha_mode_opaque:
 		return "OPAQUE";
-
 	case cgltf_alpha_mode_mask:
 		return "MASK";
-
 	case cgltf_alpha_mode_blend:
 		return "BLEND";
+	default:
+		return "";
+	}
+}
 
+static const char* interpolationType(cgltf_interpolation_type type)
+{
+	switch (type)
+	{
+	case cgltf_interpolation_type_linear:
+		return "LINEAR";
+	case cgltf_interpolation_type_step:
+		return "STEP";
+	case cgltf_interpolation_type_cubic_spline:
+		return "CUBICSPLINE";
 	default:
 		return "";
 	}
@@ -1403,7 +1415,6 @@ void writeAnimation(std::string& json, std::vector<BufferView>& views, std::stri
 
 	bool needs_time = false;
 	bool needs_pose = false;
-	bool needs_custom_time = false;
 
 	for (size_t j = 0; j < tracks.size(); ++j)
 	{
@@ -1418,13 +1429,13 @@ void writeAnimation(std::string& json, std::vector<BufferView>& views, std::stri
 		}
 		else
 		{
-			assert(track.data.size() == track.components * track.time.size());
+			size_t keyframe_size = (track.interpolation == cgltf_interpolation_type_cubic_spline) ? 3 : 1;
 
-			needs_custom_time = true;
+			assert(track.data.size() == keyframe_size * track.components * track.time.size());
 		}
 	}
 
-	bool needs_range = needs_pose && !needs_time && !needs_custom_time && animation.frames > 1;
+	bool needs_range = needs_pose && !needs_time && animation.frames > 1;
 
 	needs_pose = needs_pose && !(needs_range && tracks.size() == 1);
 
@@ -1454,7 +1465,7 @@ void writeAnimation(std::string& json, std::vector<BufferView>& views, std::stri
 			track_time_accr = writeAnimationTime(views, json_accessors, accr_offset, track.time, settings);
 
 		std::string scratch;
-		StreamFormat format = writeKeyframeStream(scratch, track.path, track.data, settings);
+		StreamFormat format = writeKeyframeStream(scratch, track.path, track.data, settings, track.interpolation == cgltf_interpolation_type_cubic_spline);
 
 		if (range)
 		{
@@ -1478,8 +1489,12 @@ void writeAnimation(std::string& json, std::vector<BufferView>& views, std::stri
 		append(json_samplers, range ? range_accr : (track.constant ? pose_accr : track_time_accr));
 		append(json_samplers, ",\"output\":");
 		append(json_samplers, data_accr);
-		if (track.interpolation == cgltf_interpolation_type_step)
-			append(json_samplers, ",\"interpolation\":\"STEP\"");
+		if (track.interpolation != cgltf_interpolation_type_linear)
+		{
+			append(json_samplers, ",\"interpolation\":\"");
+			append(json_samplers, interpolationType(track.interpolation));
+			append(json_samplers, "\"");
+		}
 		append(json_samplers, "}");
 
 		const NodeInfo& tni = nodes[track.node - data->nodes];

From 740a0a60c80751344f3c14c1ec0537773c64e6d5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 10 Dec 2024 10:04:29 -0800
Subject: [PATCH 465/581] gltfpack: Implement support for disabling resampling
 when frequency is 0

Using -af 0 now disables resampling and keeps the original time values.

When resampling is disabled, we can still mark tracks as constant and
remove them if they are not necessary, which cuts down on the animation
size. In this mode it is more difficult to support ranges, so we assume track
range will cover the relevant timespan if any tracks with time survive.

Doing this analysis for cubic splines is slightly more difficult as if
tangents are non-zero, an otherwise "constant" track will not result in
constant output, so we disable analysis in that case for simplicity.
---
 gltf/animation.cpp | 46 ++++++++++++++++++++++++++++------------------
 gltf/gltfpack.cpp  |  4 ++--
 gltf/write.cpp     | 18 +++++++-----------
 3 files changed, 37 insertions(+), 31 deletions(-)

diff --git a/gltf/animation.cpp b/gltf/animation.cpp
index d78ccb4929..ab8838a6be 100644
--- a/gltf/animation.cpp
+++ b/gltf/animation.cpp
@@ -207,17 +207,17 @@ static void resampleKeyframes(std::vector<Attr>& data, const std::vector<float>&
 	}
 }
 
-static float getMaxDelta(const std::vector<Attr>& data, cgltf_animation_path_type type, int frames, const Attr* value, size_t components)
+static float getMaxDelta(const std::vector<Attr>& data, cgltf_animation_path_type type, const Attr* value, size_t components)
 {
-	assert(data.size() == frames * components);
+	assert(data.size() % components == 0);
 
 	float result = 0;
 
-	for (int i = 0; i < frames; ++i)
+	for (size_t i = 0; i < data.size(); i += components)
 	{
 		for (size_t j = 0; j < components; ++j)
 		{
-			float delta = getDelta(value[j], data[i * components + j], type);
+			float delta = getDelta(value[j], data[i + j], type);
 
 			result = (result < delta) ? delta : result;
 		}
@@ -287,15 +287,17 @@ void processAnimation(Animation& animation, const Settings& settings)
 		maxt = std::max(maxt, track.time.back());
 	}
 
-	mint = std::min(mint, maxt);
+	animation.start = mint = std::min(mint, maxt);
 
-	// round the number of frames to nearest but favor the "up" direction
-	// this means that at 100 Hz resampling, we will try to preserve the last frame <10ms
-	// but if the last frame is <2ms we favor just removing this data
-	int frames = 1 + int((maxt - mint) * settings.anim_freq + 0.8f);
+	if (settings.anim_freq)
+	{
+		// round the number of frames to nearest but favor the "up" direction
+		// this means that at 100 Hz resampling, we will try to preserve the last frame <10ms
+		// but if the last frame is <2ms we favor just removing this data
+		int frames = 1 + int((maxt - mint) * settings.anim_freq + 0.8f);
 
-	animation.start = mint;
-	animation.frames = frames;
+		animation.frames = frames;
+	}
 
 	std::vector<Attr> base;
 
@@ -303,12 +305,19 @@ void processAnimation(Animation& animation, const Settings& settings)
 	{
 		Track& track = animation.tracks[i];
 
-		std::vector<Attr> result;
-		resampleKeyframes(result, track.time, track.data, track.path, track.interpolation, track.components, frames, mint, settings.anim_freq);
+		if (settings.anim_freq)
+		{
+			std::vector<Attr> result;
+			resampleKeyframes(result, track.time, track.data, track.path, track.interpolation, track.components, animation.frames, animation.start, settings.anim_freq);
+
+			track.time.clear();
+			track.data.swap(result);
+			track.interpolation = track.interpolation == cgltf_interpolation_type_cubic_spline ? cgltf_interpolation_type_linear : track.interpolation;
+		}
 
-		track.time.clear();
-		track.data.swap(result);
-		track.interpolation = track.interpolation == cgltf_interpolation_type_cubic_spline ? cgltf_interpolation_type_linear : track.interpolation;
+		// getMaxDelta assumes linear/step interpolation for now
+		if (track.interpolation == cgltf_interpolation_type_cubic_spline)
+			continue;
 
 		float tolerance = getDeltaTolerance(track.path);
 
@@ -319,19 +328,20 @@ void processAnimation(Animation& animation, const Settings& settings)
 			tolerance /= scale == 0.f ? 1.f : scale;
 		}
 
-		float deviation = getMaxDelta(track.data, track.path, frames, &track.data[0], track.components);
+		float deviation = getMaxDelta(track.data, track.path, &track.data[0], track.components);
 
 		if (deviation <= tolerance)
 		{
 			// track is constant (equal to first keyframe), we only need the first keyframe
 			track.constant = true;
+			track.time.clear();
 			track.data.resize(track.components);
 
 			// track.dummy is true iff track redundantly sets up the value to be equal to default node transform
 			base.resize(track.components);
 			getBaseTransform(&base[0], track.components, track.path, track.node);
 
-			track.dummy = getMaxDelta(track.data, track.path, 1, &base[0], track.components) <= tolerance;
+			track.dummy = getMaxDelta(track.data, track.path, &base[0], track.components) <= tolerance;
 		}
 	}
 }
diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 6dfaf8adaa..cae1bc48dc 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -1331,7 +1331,7 @@ int main(int argc, char** argv)
 		}
 		else if (strcmp(arg, "-af") == 0 && i + 1 < argc && isdigit(argv[i + 1][0]))
 		{
-			settings.anim_freq = clamp(atoi(argv[++i]), 1, 100);
+			settings.anim_freq = clamp(atoi(argv[++i]), 0, 100);
 		}
 		else if (strcmp(arg, "-ac") == 0)
 		{
@@ -1615,7 +1615,7 @@ int main(int argc, char** argv)
 			fprintf(stderr, "\t-at N: use N-bit quantization for translations (default: 16; N should be between 1 and 24)\n");
 			fprintf(stderr, "\t-ar N: use N-bit quantization for rotations (default: 12; N should be between 4 and 16)\n");
 			fprintf(stderr, "\t-as N: use N-bit quantization for scale (default: 16; N should be between 1 and 24)\n");
-			fprintf(stderr, "\t-af N: resample animations at N Hz (default: 30)\n");
+			fprintf(stderr, "\t-af N: resample animations at N Hz (default: 30; use 0 to disable)\n");
 			fprintf(stderr, "\t-ac: keep constant animation tracks even if they don't modify the node transform\n");
 			fprintf(stderr, "\nScene:\n");
 			fprintf(stderr, "\t-kn: keep named nodes and meshes attached to named nodes so that named nodes can be transformed externally\n");
diff --git a/gltf/write.cpp b/gltf/write.cpp
index 93dc854564..938238b25c 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -1420,19 +1420,15 @@ void writeAnimation(std::string& json, std::vector<BufferView>& views, std::stri
 	{
 		const Track& track = *tracks[j];
 
-		if (track.time.empty())
-		{
-			assert(track.data.size() == track.components * (track.constant ? 1 : animation.frames));
+#ifndef NDEBUG
+		size_t keyframe_size = (track.interpolation == cgltf_interpolation_type_cubic_spline) ? 3 : 1;
+		size_t time_size = track.constant ? 1 : (track.time.empty() ? animation.frames : track.time.size());
 
-			needs_time = needs_time || !track.constant;
-			needs_pose = needs_pose || track.constant;
-		}
-		else
-		{
-			size_t keyframe_size = (track.interpolation == cgltf_interpolation_type_cubic_spline) ? 3 : 1;
+		assert(track.data.size() == keyframe_size * track.components * time_size);
+#endif
 
-			assert(track.data.size() == keyframe_size * track.components * track.time.size());
-		}
+		needs_time = needs_time || (track.time.empty() && !track.constant);
+		needs_pose = needs_pose || track.constant;
 	}
 
 	bool needs_range = needs_pose && !needs_time && animation.frames > 1;

From 1ab873528790109ee64675e90669c956ce23b529 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 10 Dec 2024 13:26:14 -0800
Subject: [PATCH 466/581] gltfpack: Reuse time accessors between consecutive
 tracks

When tracks have custom time inputs (and resampling is disabled), we can
reuse inputs when they are equal between two tracks. This sharing is
only performed between consecutive tracks as it allows us to still
process tracks linearly.
---
 gltf/write.cpp | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/gltf/write.cpp b/gltf/write.cpp
index 938238b25c..20e9bbc5bd 100644
--- a/gltf/write.cpp
+++ b/gltf/write.cpp
@@ -1449,6 +1449,9 @@ void writeAnimation(std::string& json, std::vector<BufferView>& views, std::stri
 
 	size_t track_offset = 0;
 
+	size_t last_track_time_accr = 0;
+	const Track* last_track_time = NULL;
+
 	for (size_t j = 0; j < tracks.size(); ++j)
 	{
 		const Track& track = *tracks[j];
@@ -1458,7 +1461,17 @@ void writeAnimation(std::string& json, std::vector<BufferView>& views, std::stri
 
 		size_t track_time_accr = time_accr;
 		if (!track.time.empty())
-			track_time_accr = writeAnimationTime(views, json_accessors, accr_offset, track.time, settings);
+		{
+			// reuse time accessors between consecutive tracks if possible
+			if (last_track_time && track.time == last_track_time->time)
+				track_time_accr = last_track_time_accr;
+			else
+			{
+				track_time_accr = writeAnimationTime(views, json_accessors, accr_offset, track.time, settings);
+				last_track_time_accr = track_time_accr;
+				last_track_time = &track;
+			}
+		}
 
 		std::string scratch;
 		StreamFormat format = writeKeyframeStream(scratch, track.path, track.data, settings, track.interpolation == cgltf_interpolation_type_cubic_spline);

From 6f5668818d587fe6daa470bb1c452545c84a4aa8 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 11 Dec 2024 12:58:58 -0800
Subject: [PATCH 467/581] vertexcodec: Increase tail size for experimental
 encoding

When new encoding is selected, in addition to storing the first vertex
in the tail we also store channel data. Channel data will encode the
transformation type for every 4 bytes of the vertex; for now we only
need to encode a 2-bit value, but we reserve a full byte for simplicity
- and we may need 2 bytes for this in the future to accomodate rotates.

While varying the channel data per vertex block may be helpful, it
increase the block overhead and switching encodings for adjacent blocks
penalizes efficiency of LZ compressors. As such, we will only work with
a single encoding across the entire data stream for every channel.
---
 src/vertexcodec.cpp | 45 ++++++++++++++++++++++++++++++---------------
 1 file changed, 30 insertions(+), 15 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 97dfc03627..ff69cc9542 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -128,7 +128,7 @@ const size_t kVertexBlockSizeBytes = 8192;
 const size_t kVertexBlockMaxSize = 256;
 const size_t kByteGroupSize = 16;
 const size_t kByteGroupDecodeLimit = 24;
-const size_t kTailMaxSize = 32;
+const size_t kTailMinSize = 32; // must be >= kByteGroupDecodeLimit
 
 static const int kBitsV0[4] = {0, 2, 4, 8};
 static const int kBitsV1[5] = {0, 1, 2, 4, 8};
@@ -1425,7 +1425,7 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 	unsigned char* data = buffer;
 	unsigned char* data_end = buffer + buffer_size;
 
-	if (size_t(data_end - data) < 1 + vertex_size)
+	if (size_t(data_end - data) < 1)
 		return 0;
 
 	int version = gEncodeVertexVersion;
@@ -1439,6 +1439,8 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 	unsigned char last_vertex[256] = {};
 	memcpy(last_vertex, first_vertex, vertex_size);
 
+	unsigned char channels[64] = {};
+
 	size_t vertex_block_size = getVertexBlockSize(vertex_size);
 
 	size_t vertex_offset = 0;
@@ -1454,21 +1456,27 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 		vertex_offset += block_size;
 	}
 
-	size_t tail_size = vertex_size < kTailMaxSize ? kTailMaxSize : vertex_size;
+	size_t tail_size = vertex_size + (version == 0 ? 0 : vertex_size / 4);
+	size_t tail_size_pad = tail_size < kTailMinSize ? kTailMinSize : tail_size;
 
-	if (size_t(data_end - data) < tail_size)
+	if (size_t(data_end - data) < tail_size_pad)
 		return 0;
 
-	// write first vertex to the end of the stream and pad it to 32 bytes; this is important to simplify bounds checks in decoder
-	if (vertex_size < kTailMaxSize)
+	if (tail_size < tail_size_pad)
 	{
-		memset(data, 0, kTailMaxSize - vertex_size);
-		data += kTailMaxSize - vertex_size;
+		memset(data, 0, tail_size_pad - tail_size);
+		data += tail_size_pad - tail_size;
 	}
 
 	memcpy(data, first_vertex, vertex_size);
 	data += vertex_size;
 
+	if (version != 0)
+	{
+		memcpy(data, channels, vertex_size / 4);
+		data += vertex_size / 4;
+	}
+
 	assert(data >= buffer + tail_size);
 	assert(data <= buffer + buffer_size);
 
@@ -1524,9 +1532,10 @@ size_t meshopt_encodeVertexBufferBound(size_t vertex_count, size_t vertex_size)
 	size_t vertex_block_header_size = (vertex_block_size / kByteGroupSize + 3) / 4;
 	size_t vertex_block_data_size = vertex_block_size;
 
-	size_t tail_size = vertex_size < kTailMaxSize ? kTailMaxSize : vertex_size;
+	size_t tail_size = vertex_size + (vertex_size / 4);
+	size_t tail_size_pad = tail_size < kTailMinSize ? kTailMinSize : tail_size;
 
-	return 1 + vertex_block_count * vertex_size * (vertex_block_control_size + vertex_block_header_size + vertex_block_data_size) + tail_size;
+	return 1 + vertex_block_count * vertex_size * (vertex_block_control_size + vertex_block_header_size + vertex_block_data_size) + tail_size_pad;
 }
 
 void meshopt_encodeVertexVersion(int version)
@@ -1564,7 +1573,7 @@ int meshopt_decodeVertexBuffer(void* destination, size_t vertex_count, size_t ve
 	const unsigned char* data = buffer;
 	const unsigned char* data_end = buffer + buffer_size;
 
-	if (size_t(data_end - data) < 1 + vertex_size)
+	if (size_t(data_end - data) < 1)
 		return -2;
 
 	unsigned char data_header = *data++;
@@ -1576,8 +1585,16 @@ int meshopt_decodeVertexBuffer(void* destination, size_t vertex_count, size_t ve
 	if (version > 0 && version != 0xe)
 		return -1;
 
+	size_t tail_size = vertex_size + (version == 0 ? 0 : vertex_size / 4);
+	size_t tail_size_pad = tail_size < kTailMinSize ? kTailMinSize : tail_size;
+
+	if (size_t(data_end - data) < tail_size_pad)
+		return -2;
+
+	const unsigned char* tail = data_end - tail_size;
+
 	unsigned char last_vertex[256];
-	memcpy(last_vertex, data_end - vertex_size, vertex_size);
+	memcpy(last_vertex, tail, vertex_size);
 
 	size_t vertex_block_size = getVertexBlockSize(vertex_size);
 
@@ -1594,9 +1611,7 @@ int meshopt_decodeVertexBuffer(void* destination, size_t vertex_count, size_t ve
 		vertex_offset += block_size;
 	}
 
-	size_t tail_size = vertex_size < kTailMaxSize ? kTailMaxSize : vertex_size;
-
-	if (size_t(data_end - data) != tail_size)
+	if (size_t(data_end - data) != tail_size_pad)
 		return -3;
 
 	return 0;

From 54d463dd87579ab15da54f3cdc644d06595123b3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 11 Dec 2024 13:38:16 -0800
Subject: [PATCH 468/581] vertexcodec: Extract delta encoding to a separate
 function

This still encodes just one byte at a time, but that simplifies the
encode flow a little bit. We should be able to compute deltas using
other bytes in the same channel based on the specified encoding type
without changing the flow here.
---
 src/vertexcodec.cpp | 35 +++++++++++++++++++++--------------
 1 file changed, 21 insertions(+), 14 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index ff69cc9542..905ee1c862 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -336,7 +336,25 @@ static size_t encodeBytesMeasure(const unsigned char* buffer, size_t buffer_size
 	return result;
 }
 
-static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data_end, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], int version)
+static void encodeDeltas(unsigned char* buffer, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, const unsigned char last_vertex[256], size_t k, int channel)
+{
+	(void)channel;
+
+	size_t vertex_offset = k;
+
+	unsigned char p = last_vertex[k];
+
+	for (size_t i = 0; i < vertex_count; ++i)
+	{
+		buffer[i] = zigzag8(vertex_data[vertex_offset] - p);
+
+		p = vertex_data[vertex_offset];
+
+		vertex_offset += vertex_size;
+	}
+}
+
+static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data_end, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], const unsigned char* channels, int version)
 {
 	assert(vertex_count > 0 && vertex_count <= kVertexBlockMaxSize);
 	assert(vertex_size % 4 == 0);
@@ -360,18 +378,7 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 
 	for (size_t k = 0; k < vertex_size; ++k)
 	{
-		size_t vertex_offset = k;
-
-		unsigned char p = last_vertex[k];
-
-		for (size_t i = 0; i < vertex_count; ++i)
-		{
-			buffer[i] = zigzag8(vertex_data[vertex_offset] - p);
-
-			p = vertex_data[vertex_offset];
-
-			vertex_offset += vertex_size;
-		}
+		encodeDeltas(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k, version == 0 ? 0 : channels[k / 4]);
 
 #if TRACE
 		const unsigned char* olddata = data;
@@ -1449,7 +1456,7 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 	{
 		size_t block_size = (vertex_offset + vertex_block_size < vertex_count) ? vertex_block_size : vertex_count - vertex_offset;
 
-		data = encodeVertexBlock(data, data_end, vertex_data + vertex_offset * vertex_size, block_size, vertex_size, last_vertex, version);
+		data = encodeVertexBlock(data, data_end, vertex_data + vertex_offset * vertex_size, block_size, vertex_size, last_vertex, channels, version);
 		if (!data)
 			return 0;
 

From 6e77655e308300f5c9e53eda7d5d1ac56683f2f3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 11 Dec 2024 14:00:53 -0800
Subject: [PATCH 469/581] vertexcodec: Implement 1/2/4 byte SUB deltas + XOR

When using new format we can now select between byte, halfword, word
deltas, or switch to xor without zigzag encoding (which is
width-invariant).

Different types of deltas are optimal for different content; 2-byte
deltas provide the most value, whereas 4-byte and XOR deltas are more
experimental and may be removed in the future.

Ideally it would be possible to select the optimal mode by looking at
the source data without repeat encoding attempts; this will be
investigated separately.
---
 src/vertexcodec.cpp | 73 ++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 66 insertions(+), 7 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 905ee1c862..d83390568a 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -150,6 +150,16 @@ inline unsigned char zigzag8(unsigned char v)
 	return ((signed char)(v) >> 7) ^ (v << 1);
 }
 
+inline unsigned short zigzag16(unsigned short v)
+{
+	return ((signed short)(v) >> 15) ^ (v << 1);
+}
+
+inline unsigned int zigzag32(unsigned int v)
+{
+	return ((signed int)(v) >> 31) ^ (v << 1);
+}
+
 inline unsigned char unzigzag8(unsigned char v)
 {
 	return -(v & 1) ^ (v >> 1);
@@ -338,19 +348,68 @@ static size_t encodeBytesMeasure(const unsigned char* buffer, size_t buffer_size
 
 static void encodeDeltas(unsigned char* buffer, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, const unsigned char last_vertex[256], size_t k, int channel)
 {
-	(void)channel;
+	switch (channel)
+	{
+	case 0:
+	{
+		unsigned char p = last_vertex[k];
 
-	size_t vertex_offset = k;
+		for (size_t i = 0; i < vertex_count; ++i)
+		{
+			unsigned char v = vertex_data[i * vertex_size + k];
+
+			buffer[i] = zigzag8(v - p);
+			p = v;
+		}
+		break;
+	}
+	case 1:
+	{
+		size_t k0 = k & ~1;
+		int ks = (k & 1) * 8;
 
-	unsigned char p = last_vertex[k];
+		unsigned short p = last_vertex[k0] + (last_vertex[k0 + 1] << 8);
 
-	for (size_t i = 0; i < vertex_count; ++i)
+		for (size_t i = 0; i < vertex_count; ++i)
+		{
+			unsigned short v = vertex_data[i * vertex_size + k0] + (vertex_data[i * vertex_size + k0 + 1] << 8);
+
+			buffer[i] = (unsigned char)(zigzag16(v - p) >> ks);
+			p = v;
+		}
+		break;
+	}
+	case 2:
 	{
-		buffer[i] = zigzag8(vertex_data[vertex_offset] - p);
+		size_t k0 = k & ~3;
+		int ks = (k & 3) * 8;
 
-		p = vertex_data[vertex_offset];
+		unsigned int p = last_vertex[k0] + (last_vertex[k0 + 1] << 8) + (last_vertex[k0 + 2] << 16) + (last_vertex[k0 + 3] << 24);
 
-		vertex_offset += vertex_size;
+		for (size_t i = 0; i < vertex_count; ++i)
+		{
+			unsigned int v = vertex_data[i * vertex_size + k0] + (vertex_data[i * vertex_size + k0 + 1] << 8) + (vertex_data[i * vertex_size + k0 + 2] << 16) + (vertex_data[i * vertex_size + k0 + 3] << 24);
+
+			buffer[i] = (unsigned char)(zigzag32(v - p) >> ks);
+			p = v;
+		}
+		break;
+	}
+	case 3:
+	{
+		unsigned char p = last_vertex[k];
+
+		for (size_t i = 0; i < vertex_count; ++i)
+		{
+			unsigned char v = vertex_data[i * vertex_size + k];
+
+			buffer[i] = v ^ p;
+			p = v;
+		}
+		break;
+	}
+	default:
+		assert(!"Unsupported channel encoding");
 	}
 }
 

From bc92f9aec83ee6a4743d85a803cf286f4d9ce56e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 11 Dec 2024 14:23:01 -0800
Subject: [PATCH 470/581] vertexcodec: Implement channel estimation

When using the new version, we can now pick the optimal channel
encoding; for now, we do this in a fairly naive fashion: we encode
deltas in all possible ways and count the number of bytes.

This does not, strictly speaking, minimize the output size: for
simplicity, we estimate the number of bytes using a specific fixed bit
group layout, which seems pretty close in terms of its efficiency for
any delta encoding type. This is still not very fast, but hopefully
better, faster heuristics can be developed in the future.
---
 src/vertexcodec.cpp | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index d83390568a..f06ed80451 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -133,6 +133,8 @@ const size_t kTailMinSize = 32; // must be >= kByteGroupDecodeLimit
 static const int kBitsV0[4] = {0, 2, 4, 8};
 static const int kBitsV1[5] = {0, 1, 2, 4, 8};
 
+const int kEncodeMaxChannel = 4;
+
 static size_t getVertexBlockSize(size_t vertex_size)
 {
 	// make sure the entire block fits into the scratch buffer
@@ -413,6 +415,41 @@ static void encodeDeltas(unsigned char* buffer, const unsigned char* vertex_data
 	}
 }
 
+static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, size_t k, int max_channel)
+{
+	if (vertex_count == 0 || max_channel <= 1)
+		return 0;
+
+	unsigned char block[kVertexBlockMaxSize];
+
+	unsigned char last_vertex[256] = {};
+	memcpy(last_vertex, vertex_data, vertex_size);
+
+	size_t sizes[4] = {};
+
+	const int* bits = kBitsV1 + 1;
+
+	for (size_t i = 0; i < vertex_count; i += kVertexBlockMaxSize)
+	{
+		size_t block_size = i + kVertexBlockMaxSize < vertex_count ? kVertexBlockMaxSize : vertex_count - i;
+
+		for (int channel = 0; channel < max_channel; ++channel)
+		{
+			for (size_t j = 0; j < 4; ++j)
+			{
+				encodeDeltas(block, vertex_data + i * vertex_size, block_size, vertex_size, last_vertex, k + j, channel);
+				sizes[channel] += encodeBytesMeasure(block, block_size, bits);
+			}
+		}
+	}
+
+	int best_channel = 0;
+	for (int channel = 1; channel < max_channel; ++channel)
+		best_channel = (sizes[channel] < sizes[best_channel]) ? channel : best_channel;
+
+	return best_channel;
+}
+
 static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data_end, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], const unsigned char* channels, int version)
 {
 	assert(vertex_count > 0 && vertex_count <= kVertexBlockMaxSize);
@@ -1506,6 +1543,9 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 	memcpy(last_vertex, first_vertex, vertex_size);
 
 	unsigned char channels[64] = {};
+	if (version != 0)
+		for (size_t k = 0; k < vertex_size; k += 4)
+			channels[k / 4] = estimateChannel(vertex_data, vertex_count, vertex_size, k, kEncodeMaxChannel);
 
 	size_t vertex_block_size = getVertexBlockSize(vertex_size);
 

From 1e1dd2f79b31aa09b215b9b1fe3c704bfda69244 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 11 Dec 2024 14:50:00 -0800
Subject: [PATCH 471/581] demo: Add encoding throughput metric to output

This helps contextualize the encoding performance differences between
v0/v1. For completeness, this is also added for index codecs although
there are no plans for improving these.
---
 demo/main.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index db1e31b91c..346b522f8b 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -768,11 +768,12 @@ void encodeIndex(const Mesh& mesh, char desc)
 		    (result[i + 2] == mesh.indices[i + 0] && result[i + 0] == mesh.indices[i + 1] && result[i + 1] == mesh.indices[i + 2]));
 	}
 
-	printf("IdxCodec%c: %.1f bits/triangle (post-deflate %.1f bits/triangle); encode %.2f msec, decode %.2f msec (%.2f GB/s)\n",
+	printf("IdxCodec%c: %.1f bits/triangle (post-deflate %.1f bits/triangle); encode %.2f msec (%.3f GB/s), decode %.2f msec (%.2f GB/s)\n",
 	    desc,
 	    double(buffer.size() * 8) / double(mesh.indices.size() / 3),
 	    double(csize * 8) / double(mesh.indices.size() / 3),
 	    (middle - start) * 1000,
+	    (double(result.size() * 4) / (1 << 30)) / (middle - start),
 	    (end - middle) * 1000,
 	    (double(result.size() * 4) / (1 << 30)) / (end - middle));
 }
@@ -799,11 +800,12 @@ void encodeIndexSequence(const std::vector<unsigned int>& data, size_t vertex_co
 
 	assert(memcmp(&data[0], &result[0], data.size() * sizeof(unsigned int)) == 0);
 
-	printf("IdxCodec%c: %.1f bits/index (post-deflate %.1f bits/index); encode %.2f msec, decode %.2f msec (%.2f GB/s)\n",
+	printf("IdxCodec%c: %.1f bits/index (post-deflate %.1f bits/index); encode %.2f msec (%.3f GB/s), decode %.2f msec (%.2f GB/s)\n",
 	    desc,
 	    double(buffer.size() * 8) / double(data.size()),
 	    double(csize * 8) / double(data.size()),
 	    (middle - start) * 1000,
+	    (double(result.size() * 4) / (1 << 30)) / (middle - start),
 	    (end - middle) * 1000,
 	    (double(result.size() * 4) / (1 << 30)) / (end - middle));
 }
@@ -847,11 +849,12 @@ void encodeVertex(const Mesh& mesh, const char* pvn, bool validate = true)
 
 	size_t csize = compress(vbuf);
 
-	printf("VtxCodec%1s%s: %.1f bits/vertex (post-deflate %.1f bits/vertex); encode %.2f msec, decode %.2f msec (%.2f GB/s)\n", pvn,
+	printf("VtxCodec%1s%s: %.1f bits/vertex (post-deflate %.1f bits/vertex); encode %.2f msec (%.3f GB/s), decode %.2f msec (%.2f GB/s)\n", pvn,
 	    res == 0 && memcmp(&pv[0], &result[0], pv.size() * sizeof(PV)) == 0 ? "" : "!",
 	    double(vbuf.size() * 8) / double(mesh.vertices.size()),
 	    double(csize * 8) / double(mesh.vertices.size()),
 	    (middle - start) * 1000,
+	    (double(result.size() * sizeof(PV)) / (1 << 30)) / (middle - start),
 	    (end - middle) * 1000,
 	    (double(result.size() * sizeof(PV)) / (1 << 30)) / (end - middle));
 }

From 77e485dd2723131acff267ce62763d3908a980b7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 11 Dec 2024 16:26:39 -0800
Subject: [PATCH 472/581] vertexcodec: Implement SSE support for new delta
 decoding

In addition to accumulating the deltas via 16-bit or 32-bit adds (or
xors), we need to perform zigzag decoding in larger units. This is more
complicated, because for 8-bit data we do this before the transpose to
fully utilize SIMD units; thus, 16 and 32-bit unzigzag needs to work on
decomposed integer values.

For 16-bit, it's easy enough to unpack and repack these; for 32-bit,
repacking is more involved due to the lack of unsigned 32-bit packing
instructions. So we opt for doing a byte-wise unzigzag instead, which
just needs to propagate the bits when shifting the value by 1 across
byte boundaries manually.
---
 src/vertexcodec.cpp | 122 ++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 112 insertions(+), 10 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index f06ed80451..b8a6721928 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -667,10 +667,12 @@ static void decodeDeltas1(const unsigned char* buffer, unsigned char* transposed
 	}
 }
 
-static const unsigned char* decodeVertexBlock(const unsigned char* data, const unsigned char* data_end, unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], int version)
+static const unsigned char* decodeVertexBlock(const unsigned char* data, const unsigned char* data_end, unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], const unsigned char* channels, int version)
 {
 	assert(vertex_count > 0 && vertex_count <= kVertexBlockMaxSize);
 
+	(void)channels;
+
 	unsigned char buffer[kVertexBlockMaxSize];
 	unsigned char transposed[kVertexBlockSizeBytes];
 
@@ -1255,12 +1257,70 @@ inline void transpose8(__m128i& x0, __m128i& x1, __m128i& x2, __m128i& x3)
 }
 
 SIMD_TARGET
-inline __m128i unzigzag8(__m128i v)
+inline void unzigzag8(__m128i& v)
 {
 	__m128i xl = _mm_sub_epi8(_mm_setzero_si128(), _mm_and_si128(v, _mm_set1_epi8(1)));
 	__m128i xr = _mm_and_si128(_mm_srli_epi16(v, 1), _mm_set1_epi8(127));
 
-	return _mm_xor_si128(xl, xr);
+	v = _mm_xor_si128(xl, xr);
+}
+
+SIMD_TARGET
+inline void unzigzag16(__m128i& v0, __m128i& v1)
+{
+	// 16 insn
+	__m128i i0 = _mm_unpacklo_epi8(v0, v1);
+	__m128i i1 = _mm_unpackhi_epi8(v0, v1);
+
+	__m128i l0 = _mm_sub_epi16(_mm_setzero_si128(), _mm_and_si128(i0, _mm_set1_epi16(1)));
+	__m128i r0 = _mm_xor_si128(l0, _mm_srli_epi16(i0, 1));
+
+	__m128i l1 = _mm_sub_epi16(_mm_setzero_si128(), _mm_and_si128(i1, _mm_set1_epi16(1)));
+	__m128i r1 = _mm_xor_si128(l1, _mm_srli_epi16(i1, 1));
+
+	v0 = _mm_packus_epi16(_mm_and_si128(r0, _mm_set1_epi16(0xff)), _mm_and_si128(r1, _mm_set1_epi16(0xff)));
+	v1 = _mm_packus_epi16(_mm_srli_epi16(r0, 8), _mm_srli_epi16(r1, 8));
+}
+
+SIMD_TARGET
+inline void unzigzag32(__m128i& v0, __m128i& v1, __m128i& v2, __m128i& v3)
+{
+	// v >> 1 (per byte)
+	__m128i r0 = _mm_and_si128(_mm_srli_epi16(v0, 1), _mm_set1_epi8(0x7f));
+	__m128i r1 = _mm_and_si128(_mm_srli_epi16(v1, 1), _mm_set1_epi8(0x7f));
+	__m128i r2 = _mm_and_si128(_mm_srli_epi16(v2, 1), _mm_set1_epi8(0x7f));
+	__m128i r3 = _mm_and_si128(_mm_srli_epi16(v3, 1), _mm_set1_epi8(0x7f));
+
+	// v >> 1 (carry)
+	r0 = _mm_or_si128(r0, _mm_and_si128(_mm_slli_epi16(v1, 7), _mm_set1_epi8(-0x80)));
+	r1 = _mm_or_si128(r1, _mm_and_si128(_mm_slli_epi16(v2, 7), _mm_set1_epi8(-0x80)));
+	r2 = _mm_or_si128(r2, _mm_and_si128(_mm_slli_epi16(v3, 7), _mm_set1_epi8(-0x80)));
+
+	// -(v & 1)
+	__m128i mk = _mm_sub_epi8(_mm_setzero_si128(), _mm_and_si128(v0, _mm_set1_epi8(1)));
+
+	v0 = _mm_xor_si128(r0, mk);
+	v1 = _mm_xor_si128(r1, mk);
+	v2 = _mm_xor_si128(r2, mk);
+	v3 = _mm_xor_si128(r3, mk);
+}
+
+SIMD_TARGET
+inline __m128i undelta(__m128i v, __m128i p, int channel)
+{
+	switch (channel)
+	{
+	case 0:
+		return _mm_add_epi8(v, p);
+	case 1:
+		return _mm_add_epi16(v, p);
+	case 2:
+		return _mm_add_epi32(v, p);
+	case 3:
+		return _mm_xor_si128(v, p);
+	default:
+		return v;
+	}
 }
 #endif
 
@@ -1359,15 +1419,16 @@ static const unsigned char* decodeBytesSimd(const unsigned char* data, const uns
 	return data;
 }
 
-SIMD_TARGET
-static void decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t vertex_count_aligned, size_t vertex_size, unsigned char last_vertex[4])
+template <int Channel>
+SIMD_TARGET static void
+decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t vertex_count_aligned, size_t vertex_size, unsigned char last_vertex[4])
 {
 #if defined(SIMD_SSE) || defined(SIMD_AVX)
 #define TEMP __m128i
 #define PREP() __m128i pi = _mm_cvtsi32_si128(*reinterpret_cast<const int*>(last_vertex))
 #define LOAD(i) __m128i r##i = _mm_loadu_si128(reinterpret_cast<const __m128i*>(buffer + j + i * vertex_count_aligned))
 #define GRP4(i) t0 = _mm_shuffle_epi32(r##i, 0), t1 = _mm_shuffle_epi32(r##i, 1), t2 = _mm_shuffle_epi32(r##i, 2), t3 = _mm_shuffle_epi32(r##i, 3)
-#define FIXD(i) t##i = pi = _mm_add_epi8(pi, t##i)
+#define FIXD(i) t##i = pi = undelta(pi, t##i, Channel)
 #define SAVE(i) *reinterpret_cast<int*>(savep) = _mm_cvtsi128_si32(t##i), savep += vertex_size
 #endif
 
@@ -1400,10 +1461,31 @@ static void decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transp
 		LOAD(2);
 		LOAD(3);
 
+#ifdef SIMD_SSE
+		switch (Channel)
+		{
+		case 0:
+			unzigzag8(r0);
+			unzigzag8(r1);
+			unzigzag8(r2);
+			unzigzag8(r3);
+			break;
+		case 1:
+			unzigzag16(r0, r1);
+			unzigzag16(r2, r3);
+			break;
+		case 2:
+			unzigzag32(r0, r1, r2, r3);
+			break;
+		default:;
+		}
+#else
+		// no channel support atm
 		r0 = unzigzag8(r0);
 		r1 = unzigzag8(r1);
 		r2 = unzigzag8(r2);
 		r3 = unzigzag8(r3);
+#endif
 
 		transpose8(r0, r1, r2, r3);
 
@@ -1435,7 +1517,7 @@ static void decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transp
 }
 
 SIMD_TARGET
-static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, const unsigned char* data_end, unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], int version)
+static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, const unsigned char* data_end, unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], const unsigned char* channels, int version)
 {
 	assert(vertex_count > 0 && vertex_count <= kVertexBlockMaxSize);
 
@@ -1484,7 +1566,25 @@ static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, con
 			}
 		}
 
-		decodeDeltas4Simd(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k);
+		int channel = version == 0 ? 0 : channels[k / 4];
+
+		switch (channel)
+		{
+		case 0:
+			decodeDeltas4Simd<0>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k);
+			break;
+		case 1:
+			decodeDeltas4Simd<1>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k);
+			break;
+		case 2:
+			decodeDeltas4Simd<2>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k);
+			break;
+		case 3:
+			decodeDeltas4Simd<3>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k);
+			break;
+		default:
+			return NULL;
+		}
 	}
 
 	memcpy(vertex_data, transposed, vertex_count * vertex_size);
@@ -1659,7 +1759,7 @@ int meshopt_decodeVertexBuffer(void* destination, size_t vertex_count, size_t ve
 	assert(vertex_size > 0 && vertex_size <= 256);
 	assert(vertex_size % 4 == 0);
 
-	const unsigned char* (*decode)(const unsigned char*, const unsigned char*, unsigned char*, size_t, size_t, unsigned char[256], int) = NULL;
+	const unsigned char* (*decode)(const unsigned char*, const unsigned char*, unsigned char*, size_t, size_t, unsigned char[256], const unsigned char*, int) = NULL;
 
 #if defined(SIMD_SSE) && defined(SIMD_FALLBACK)
 	decode = (cpuid & (1 << 9)) ? decodeVertexBlockSimd : decodeVertexBlock;
@@ -1702,6 +1802,8 @@ int meshopt_decodeVertexBuffer(void* destination, size_t vertex_count, size_t ve
 	unsigned char last_vertex[256];
 	memcpy(last_vertex, tail, vertex_size);
 
+	const unsigned char* channels = version == 0 ? NULL : tail + vertex_size;
+
 	size_t vertex_block_size = getVertexBlockSize(vertex_size);
 
 	size_t vertex_offset = 0;
@@ -1710,7 +1812,7 @@ int meshopt_decodeVertexBuffer(void* destination, size_t vertex_count, size_t ve
 	{
 		size_t block_size = (vertex_offset + vertex_block_size < vertex_count) ? vertex_block_size : vertex_count - vertex_offset;
 
-		data = decode(data, data_end, vertex_data + vertex_offset * vertex_size, block_size, vertex_size, last_vertex, version);
+		data = decode(data, data_end, vertex_data + vertex_offset * vertex_size, block_size, vertex_size, last_vertex, channels, version);
 		if (!data)
 			return -2;
 

From 55831a343a63e5e65c776ea3c64fcaddb51bfec1 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 11 Dec 2024 17:09:29 -0800
Subject: [PATCH 473/581] vertexcodec: Implement support for scalar delta
 decoding

To make this easier, scalar delta decoding is now also done 4 bytes at a
time, using a template to share C++ code to the extent possible.
---
 src/vertexcodec.cpp | 105 ++++++++++++++++++++++++++++++--------------
 1 file changed, 73 insertions(+), 32 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index b8a6721928..fb46eaa0a9 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -162,7 +162,8 @@ inline unsigned int zigzag32(unsigned int v)
 	return ((signed int)(v) >> 31) ^ (v << 1);
 }
 
-inline unsigned char unzigzag8(unsigned char v)
+template <typename T>
+inline T unzigzag(T v)
 {
 	return -(v & 1) ^ (v >> 1);
 }
@@ -650,20 +651,39 @@ static const unsigned char* decodeBytes(const unsigned char* data, const unsigne
 	return data;
 }
 
-static void decodeDeltas1(const unsigned char* buffer, unsigned char* transposed, size_t vertex_count, size_t vertex_size, unsigned char last_vertex)
+template <typename T, bool Xor>
+static void decodeDeltas1(const unsigned char* buffer, unsigned char* transposed, size_t vertex_count, size_t vertex_size, const unsigned char* last_vertex)
 {
-	size_t vertex_offset = 0;
+	for (size_t k = 0; k < 4; k += sizeof(T))
+	{
+		size_t vertex_offset = k;
 
-	unsigned char p = last_vertex;
+		T p = last_vertex[0];
+		if (sizeof(T) > 1)
+			p |= last_vertex[1] << 8;
+		if (sizeof(T) > 2)
+			p |= (last_vertex[2] << 16) | (last_vertex[3] << 24);
 
-	for (size_t i = 0; i < vertex_count; ++i)
-	{
-		unsigned char v = unzigzag8(buffer[i]) + p;
+		for (size_t i = 0; i < vertex_count; ++i)
+		{
+			T v = buffer[i];
+			if (sizeof(T) > 1)
+				v |= buffer[i + vertex_count] << 8;
+			if (sizeof(T) > 2)
+				v |= (buffer[i + vertex_count * 2] << 16) | (buffer[i + vertex_count * 3] << 24);
+
+			v = Xor ? v ^ p : unzigzag(v) + p;
+
+			for (size_t j = 0; j < sizeof(T); ++j)
+				transposed[vertex_offset + j] = (unsigned char)(v >> (j * 8));
 
-		transposed[vertex_offset] = v;
-		p = v;
+			p = v;
+
+			vertex_offset += vertex_size;
+		}
 
-		vertex_offset += vertex_size;
+		buffer += vertex_count * sizeof(T);
+		last_vertex += sizeof(T);
 	}
 }
 
@@ -671,9 +691,7 @@ static const unsigned char* decodeVertexBlock(const unsigned char* data, const u
 {
 	assert(vertex_count > 0 && vertex_count <= kVertexBlockMaxSize);
 
-	(void)channels;
-
-	unsigned char buffer[kVertexBlockMaxSize];
+	unsigned char buffer[kVertexBlockMaxSize * 4];
 	unsigned char transposed[kVertexBlockSizeBytes];
 
 	size_t vertex_count_aligned = (vertex_count + kByteGroupSize - 1) & ~(kByteGroupSize - 1);
@@ -686,32 +704,55 @@ static const unsigned char* decodeVertexBlock(const unsigned char* data, const u
 	const unsigned char* control = data;
 	data += control_size;
 
-	for (size_t k = 0; k < vertex_size; ++k)
+	for (size_t k = 0; k < vertex_size; k += 4)
 	{
-		int ctrl = version == 0 ? 0 : (control[k / 4] >> ((k % 4) * 2)) & 3;
+		unsigned char ctrl_byte = version == 0 ? 0 : control[k / 4];
 
-		if (ctrl == 3)
+		for (size_t j = 0; j < 4; ++j)
 		{
-			// literal encoding
-			if (size_t(data_end - data) < vertex_count)
-				return NULL;
+			int ctrl = (ctrl_byte >> (j * 2)) & 3;
 
-			memcpy(buffer, data, vertex_count);
-			data += vertex_count;
-		}
-		else if (ctrl == 2)
-		{
-			// zero encoding
-			memset(buffer, 0, vertex_count);
+			if (ctrl == 3)
+			{
+				// literal encoding
+				if (size_t(data_end - data) < vertex_count)
+					return NULL;
+
+				memcpy(buffer + j * vertex_count, data, vertex_count);
+				data += vertex_count;
+			}
+			else if (ctrl == 2)
+			{
+				// zero encoding
+				memset(buffer + j * vertex_count, 0, vertex_count);
+			}
+			else
+			{
+				data = decodeBytes(data, data_end, buffer + j * vertex_count, vertex_count_aligned, version == 0 ? kBitsV0 : kBitsV1 + ctrl);
+				if (!data)
+					return NULL;
+			}
 		}
-		else
+
+		int channel = version == 0 ? 0 : channels[k / 4];
+
+		switch (channel)
 		{
-			data = decodeBytes(data, data_end, buffer, vertex_count_aligned, version == 0 ? kBitsV0 : kBitsV1 + ctrl);
-			if (!data)
-				return NULL;
+		case 0:
+			decodeDeltas1<unsigned char, false>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k);
+			break;
+		case 1:
+			decodeDeltas1<unsigned short, false>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k);
+			break;
+		case 2:
+			decodeDeltas1<unsigned int, false>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k);
+			break;
+		case 3:
+			decodeDeltas1<unsigned int, true>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k);
+			break;
+		default:
+			return NULL;
 		}
-
-		decodeDeltas1(buffer, transposed + k, vertex_count, vertex_size, last_vertex[k]);
 	}
 
 	memcpy(vertex_data, transposed, vertex_count * vertex_size);

From cf5ab03c70ed01fe6ae9350df17e65b901a67400 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 11 Dec 2024 18:37:59 -0800
Subject: [PATCH 474/581] vertexcodec: Implement NEON decoding for new deltas

The implementation mostly mirrors SSE path; however, we use the same
approach for 16-bit delta, where instead of unpacking and repacking the
full value we opt for bytewise processing. This is even more optimal
than it is for SSE since NEON supports native byte shifts.
---
 src/vertexcodec.cpp | 67 +++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 62 insertions(+), 5 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index fb46eaa0a9..89450f903e 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1309,7 +1309,6 @@ inline void unzigzag8(__m128i& v)
 SIMD_TARGET
 inline void unzigzag16(__m128i& v0, __m128i& v1)
 {
-	// 16 insn
 	__m128i i0 = _mm_unpacklo_epi8(v0, v1);
 	__m128i i1 = _mm_unpackhi_epi8(v0, v1);
 
@@ -1382,12 +1381,70 @@ inline void transpose8(uint8x16_t& x0, uint8x16_t& x1, uint8x16_t& x2, uint8x16_
 }
 
 SIMD_TARGET
-inline uint8x16_t unzigzag8(uint8x16_t v)
+inline void unzigzag8(uint8x16_t& v)
 {
 	uint8x16_t xl = vreinterpretq_u8_s8(vnegq_s8(vreinterpretq_s8_u8(vandq_u8(v, vdupq_n_u8(1)))));
 	uint8x16_t xr = vshrq_n_u8(v, 1);
 
-	return veorq_u8(xl, xr);
+	v = veorq_u8(xl, xr);
+}
+
+SIMD_TARGET
+inline void unzigzag16(uint8x16_t& v0, uint8x16_t& v1)
+{
+	// v >> 1 (per byte)
+	uint8x16_t r0 = vshrq_n_u8(v0, 1);
+	uint8x16_t r1 = vshrq_n_u8(v1, 1);
+
+	// v >> 1 (carry)
+	r0 = vorrq_u8(r0, vshlq_n_u8(v1, 7));
+
+	// -(v & 1)
+	uint8x16_t mk = vreinterpretq_u8_s8(vnegq_s8(vreinterpretq_s8_u8(vandq_u8(v0, vdupq_n_u8(1)))));
+
+	v0 = veorq_u8(r0, mk);
+	v1 = veorq_u8(r1, mk);
+}
+
+SIMD_TARGET
+inline void unzigzag32(uint8x16_t& v0, uint8x16_t& v1, uint8x16_t& v2, uint8x16_t& v3)
+{
+	// v >> 1 (per byte)
+	uint8x16_t r0 = vshrq_n_u8(v0, 1);
+	uint8x16_t r1 = vshrq_n_u8(v1, 1);
+	uint8x16_t r2 = vshrq_n_u8(v2, 1);
+	uint8x16_t r3 = vshrq_n_u8(v3, 1);
+
+	// v >> 1 (carry)
+	r0 = vorrq_u8(r0, vshlq_n_u8(v1, 7));
+	r1 = vorrq_u8(r1, vshlq_n_u8(v2, 7));
+	r2 = vorrq_u8(r2, vshlq_n_u8(v3, 7));
+
+	// -(v & 1)
+	uint8x16_t mk = vreinterpretq_u8_s8(vnegq_s8(vreinterpretq_s8_u8(vandq_u8(v0, vdupq_n_u8(1)))));
+
+	v0 = veorq_u8(r0, mk);
+	v1 = veorq_u8(r1, mk);
+	v2 = veorq_u8(r2, mk);
+	v3 = veorq_u8(r3, mk);
+}
+
+SIMD_TARGET
+inline uint8x8_t undelta(uint8x8_t v, uint8x8_t p, int channel)
+{
+	switch (channel)
+	{
+	case 0:
+		return vadd_u8(v, p);
+	case 1:
+		return vreinterpret_u8_u16(vadd_u16(vreinterpret_u16_u8(v), vreinterpret_u16_u8(p)));
+	case 2:
+		return vreinterpret_u8_u32(vadd_u32(vreinterpret_u32_u8(v), vreinterpret_u32_u8(p)));
+	case 3:
+		return veor_u8(v, p);
+	default:
+		return v;
+	}
 }
 #endif
 
@@ -1478,7 +1535,7 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 #define PREP() uint8x8_t pi = vreinterpret_u8_u32(vld1_lane_u32(reinterpret_cast<uint32_t*>(last_vertex), vdup_n_u32(0), 0))
 #define LOAD(i) uint8x16_t r##i = vld1q_u8(buffer + j + i * vertex_count_aligned)
 #define GRP4(i) t0 = vget_low_u8(r##i), t1 = vreinterpret_u8_u32(vdup_lane_u32(vreinterpret_u32_u8(t0), 1)), t2 = vget_high_u8(r##i), t3 = vreinterpret_u8_u32(vdup_lane_u32(vreinterpret_u32_u8(t2), 1))
-#define FIXD(i) t##i = pi = vadd_u8(pi, t##i)
+#define FIXD(i) t##i = pi = undelta(pi, t##i, Channel)
 #define SAVE(i) vst1_lane_u32(reinterpret_cast<uint32_t*>(savep), vreinterpret_u32_u8(t##i), 0), savep += vertex_size
 #endif
 
@@ -1502,7 +1559,7 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 		LOAD(2);
 		LOAD(3);
 
-#ifdef SIMD_SSE
+#if defined(SIMD_SSE) || defined(SIMD_NEON)
 		switch (Channel)
 		{
 		case 0:

From 64c25da858ace054e4e07580ec033f1e69eb4ae9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 11 Dec 2024 19:27:36 -0800
Subject: [PATCH 475/581] vertexcodec: Implement SIMD delta decoding support
 for Wasm

The implementation mirrors NEON approach exactly: we use simplified byte
wise processing for both 16-bit and 32-bit deltas; the 16-bit path is
faster this way even when targeting x64 in the Wasm backend.
---
 src/vertexcodec.cpp | 75 ++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 64 insertions(+), 11 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 89450f903e..6fb3d6a338 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1300,6 +1300,7 @@ inline void transpose8(__m128i& x0, __m128i& x1, __m128i& x2, __m128i& x3)
 SIMD_TARGET
 inline void unzigzag8(__m128i& v)
 {
+	// -(v & 1) ^ (v >> 1)
 	__m128i xl = _mm_sub_epi8(_mm_setzero_si128(), _mm_and_si128(v, _mm_set1_epi8(1)));
 	__m128i xr = _mm_and_si128(_mm_srli_epi16(v, 1), _mm_set1_epi8(127));
 
@@ -1383,6 +1384,7 @@ inline void transpose8(uint8x16_t& x0, uint8x16_t& x1, uint8x16_t& x2, uint8x16_
 SIMD_TARGET
 inline void unzigzag8(uint8x16_t& v)
 {
+	// -(v & 1) ^ (v >> 1)
 	uint8x16_t xl = vreinterpretq_u8_s8(vnegq_s8(vreinterpretq_s8_u8(vandq_u8(v, vdupq_n_u8(1)))));
 	uint8x16_t xr = vshrq_n_u8(v, 1);
 
@@ -1464,12 +1466,71 @@ inline void transpose8(v128_t& x0, v128_t& x1, v128_t& x2, v128_t& x3)
 }
 
 SIMD_TARGET
-inline v128_t unzigzag8(v128_t v)
+inline void unzigzag8(v128_t& v)
 {
+	// -(v & 1) ^ (v >> 1)
 	v128_t xl = wasm_i8x16_neg(wasm_v128_and(v, wasm_i8x16_splat(1)));
 	v128_t xr = wasm_u8x16_shr(v, 1);
 
-	return wasm_v128_xor(xl, xr);
+	v = wasm_v128_xor(xl, xr);
+}
+
+SIMD_TARGET
+inline void unzigzag16(v128_t& v0, v128_t& v1)
+{
+	// v >> 1 (per byte)
+	v128_t r0 = wasm_u8x16_shr(v0, 1);
+	v128_t r1 = wasm_u8x16_shr(v1, 1);
+
+	// v >> 1 (carry)
+	r0 = wasm_v128_or(r0, wasm_i8x16_shl(v1, 7));
+
+	// -(v & 1)
+	v128_t mk = wasm_i8x16_neg(wasm_v128_and(v0, wasm_i8x16_splat(1)));
+
+	v0 = wasm_v128_xor(r0, mk);
+	v1 = wasm_v128_xor(r1, mk);
+}
+
+SIMD_TARGET
+inline void unzigzag32(v128_t& v0, v128_t& v1, v128_t& v2, v128_t& v3)
+{
+	// v >> 1 (per byte)
+	v128_t r0 = wasm_u8x16_shr(v0, 1);
+	v128_t r1 = wasm_u8x16_shr(v1, 1);
+	v128_t r2 = wasm_u8x16_shr(v2, 1);
+	v128_t r3 = wasm_u8x16_shr(v3, 1);
+
+	// v >> 1 (carry)
+	r0 = wasm_v128_or(r0, wasm_i8x16_shl(v1, 7));
+	r1 = wasm_v128_or(r1, wasm_i8x16_shl(v2, 7));
+	r2 = wasm_v128_or(r2, wasm_i8x16_shl(v3, 7));
+
+	// -(v & 1)
+	v128_t mk = wasm_i8x16_neg(wasm_v128_and(v0, wasm_i8x16_splat(1)));
+
+	v0 = wasm_v128_xor(r0, mk);
+	v1 = wasm_v128_xor(r1, mk);
+	v2 = wasm_v128_xor(r2, mk);
+	v3 = wasm_v128_xor(r3, mk);
+}
+
+SIMD_TARGET
+inline v128_t undelta(v128_t v, v128_t p, int channel)
+{
+	switch (channel)
+	{
+	case 0:
+		return wasm_i8x16_add(v, p);
+	case 1:
+		return wasm_i16x8_add(v, p);
+	case 2:
+		return wasm_i32x4_add(v, p);
+	case 3:
+		return wasm_v128_xor(v, p);
+	default:
+		return v;
+	}
 }
 #endif
 
@@ -1544,7 +1605,7 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 #define PREP() v128_t pi = wasm_v128_load(last_vertex)
 #define LOAD(i) v128_t r##i = wasm_v128_load(buffer + j + i * vertex_count_aligned)
 #define GRP4(i) t0 = wasmx_splat_v32x4(r##i, 0), t1 = wasmx_splat_v32x4(r##i, 1), t2 = wasmx_splat_v32x4(r##i, 2), t3 = wasmx_splat_v32x4(r##i, 3)
-#define FIXD(i) t##i = pi = wasm_i8x16_add(pi, t##i)
+#define FIXD(i) t##i = pi = undelta(pi, t##i, Channel)
 #define SAVE(i) *reinterpret_cast<int*>(savep) = wasm_i32x4_extract_lane(t##i, 0), savep += vertex_size
 #endif
 
@@ -1559,7 +1620,6 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 		LOAD(2);
 		LOAD(3);
 
-#if defined(SIMD_SSE) || defined(SIMD_NEON)
 		switch (Channel)
 		{
 		case 0:
@@ -1577,13 +1637,6 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 			break;
 		default:;
 		}
-#else
-		// no channel support atm
-		r0 = unzigzag8(r0);
-		r1 = unzigzag8(r1);
-		r2 = unzigzag8(r2);
-		r3 = unzigzag8(r3);
-#endif
 
 		transpose8(r0, r1, r2, r3);
 

From ea7fff0c450dce6c2bab16690b69486abf89670c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 11 Dec 2024 19:51:52 -0800
Subject: [PATCH 476/581] vertexcodec: Fix MSVC warnings

Instead of unary negation, use subtraction; also convert sizeof-based
conditions in scalar decoder to a loop which the compiler should unroll
anyway.
---
 src/vertexcodec.cpp | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 6fb3d6a338..c770970020 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -165,7 +165,7 @@ inline unsigned int zigzag32(unsigned int v)
 template <typename T>
 inline T unzigzag(T v)
 {
-	return -(v & 1) ^ (v >> 1);
+	return (0 - (v & 1)) ^ (v >> 1);
 }
 
 #if TRACE
@@ -659,18 +659,14 @@ static void decodeDeltas1(const unsigned char* buffer, unsigned char* transposed
 		size_t vertex_offset = k;
 
 		T p = last_vertex[0];
-		if (sizeof(T) > 1)
-			p |= last_vertex[1] << 8;
-		if (sizeof(T) > 2)
-			p |= (last_vertex[2] << 16) | (last_vertex[3] << 24);
+		for (size_t j = 1; j < sizeof(T); ++j)
+			p |= last_vertex[j] << (8 * j);
 
 		for (size_t i = 0; i < vertex_count; ++i)
 		{
 			T v = buffer[i];
-			if (sizeof(T) > 1)
-				v |= buffer[i + vertex_count] << 8;
-			if (sizeof(T) > 2)
-				v |= (buffer[i + vertex_count * 2] << 16) | (buffer[i + vertex_count * 3] << 24);
+			for (size_t j = 1; j < sizeof(T); ++j)
+				v |= buffer[i + vertex_count * j] << (8 * j);
 
 			v = Xor ? v ^ p : unzigzag(v) + p;
 
@@ -1796,7 +1792,7 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 	unsigned char channels[64] = {};
 	if (version != 0)
 		for (size_t k = 0; k < vertex_size; k += 4)
-			channels[k / 4] = estimateChannel(vertex_data, vertex_count, vertex_size, k, kEncodeMaxChannel);
+			channels[k / 4] = (unsigned char)estimateChannel(vertex_data, vertex_count, vertex_size, k, kEncodeMaxChannel);
 
 	size_t vertex_block_size = getVertexBlockSize(vertex_size);
 

From 42c30af237cf004f855b1799192f63c3a4a90071 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 11 Dec 2024 19:52:50 -0800
Subject: [PATCH 477/581] vertexcodec: Switch to byte-wise unzigzag16 for SSE

For unclear reasons, despite seemingly better codegen, unzigzag16 with
unpacks is a little faster on clang compared to the byte-wise version.
However, it's noticeably slower on MSVC in a way that affects top line
decode bandwidth, so let's opt for using a better version to avoid
surprises.

Also switch to using _mm_andnot_si128 explicitly; some compilers can
automatically transform this but it's easy to do ourselves for safety.
---
 src/vertexcodec.cpp | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index c770970020..5ca7c91f71 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1306,17 +1306,18 @@ inline void unzigzag8(__m128i& v)
 SIMD_TARGET
 inline void unzigzag16(__m128i& v0, __m128i& v1)
 {
-	__m128i i0 = _mm_unpacklo_epi8(v0, v1);
-	__m128i i1 = _mm_unpackhi_epi8(v0, v1);
+	// v >> 1 (per byte)
+	__m128i r0 = _mm_and_si128(_mm_srli_epi16(v0, 1), _mm_set1_epi8(0x7f));
+	__m128i r1 = _mm_and_si128(_mm_srli_epi16(v1, 1), _mm_set1_epi8(0x7f));
 
-	__m128i l0 = _mm_sub_epi16(_mm_setzero_si128(), _mm_and_si128(i0, _mm_set1_epi16(1)));
-	__m128i r0 = _mm_xor_si128(l0, _mm_srli_epi16(i0, 1));
+	// v >> 1 (carry)
+	r0 = _mm_or_si128(r0, _mm_andnot_si128(_mm_set1_epi8(0x7f), _mm_slli_epi16(v1, 7)));
 
-	__m128i l1 = _mm_sub_epi16(_mm_setzero_si128(), _mm_and_si128(i1, _mm_set1_epi16(1)));
-	__m128i r1 = _mm_xor_si128(l1, _mm_srli_epi16(i1, 1));
+	// -(v & 1)
+	__m128i mk = _mm_sub_epi8(_mm_setzero_si128(), _mm_and_si128(v0, _mm_set1_epi8(1)));
 
-	v0 = _mm_packus_epi16(_mm_and_si128(r0, _mm_set1_epi16(0xff)), _mm_and_si128(r1, _mm_set1_epi16(0xff)));
-	v1 = _mm_packus_epi16(_mm_srli_epi16(r0, 8), _mm_srli_epi16(r1, 8));
+	v0 = _mm_xor_si128(r0, mk);
+	v1 = _mm_xor_si128(r1, mk);
 }
 
 SIMD_TARGET
@@ -1329,9 +1330,9 @@ inline void unzigzag32(__m128i& v0, __m128i& v1, __m128i& v2, __m128i& v3)
 	__m128i r3 = _mm_and_si128(_mm_srli_epi16(v3, 1), _mm_set1_epi8(0x7f));
 
 	// v >> 1 (carry)
-	r0 = _mm_or_si128(r0, _mm_and_si128(_mm_slli_epi16(v1, 7), _mm_set1_epi8(-0x80)));
-	r1 = _mm_or_si128(r1, _mm_and_si128(_mm_slli_epi16(v2, 7), _mm_set1_epi8(-0x80)));
-	r2 = _mm_or_si128(r2, _mm_and_si128(_mm_slli_epi16(v3, 7), _mm_set1_epi8(-0x80)));
+	r0 = _mm_or_si128(r0, _mm_andnot_si128(_mm_set1_epi8(0x7f), _mm_slli_epi16(v1, 7)));
+	r1 = _mm_or_si128(r1, _mm_andnot_si128(_mm_set1_epi8(0x7f), _mm_slli_epi16(v2, 7)));
+	r2 = _mm_or_si128(r2, _mm_andnot_si128(_mm_set1_epi8(0x7f), _mm_slli_epi16(v3, 7)));
 
 	// -(v & 1)
 	__m128i mk = _mm_sub_epi8(_mm_setzero_si128(), _mm_and_si128(v0, _mm_set1_epi8(1)));

From e8021f832959440d7a433509591500faebecae16 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 12 Dec 2024 06:38:42 -0800
Subject: [PATCH 478/581] vertexcodec: Fix delta estimation for unaligned
 padding

Using encodeBytesMeasure requires aligned byte groups, but we were not
padding the last block with zeroes previously which triggered an
assertion.
---
 demo/tests.cpp      | 24 ++++++++++++++++++++++++
 src/vertexcodec.cpp |  7 ++++++-
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 9d0b4c51c4..055993f1b0 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -504,6 +504,27 @@ static void decodeVertexLarge()
 	assert(memcmp(decoded, data, sizeof(data)) == 0);
 }
 
+static void decodeVertexSmall()
+{
+	unsigned char data[13 * 4];
+
+	// this tests 0/2/4/8 bit groups in one stream
+	for (size_t i = 0; i < 13; ++i)
+	{
+		data[i * 4 + 0] = 0;
+		data[i * 4 + 1] = (unsigned char)(i * 1);
+		data[i * 4 + 2] = (unsigned char)(i * 2);
+		data[i * 4 + 3] = (unsigned char)(i * 8);
+	}
+
+	std::vector<unsigned char> buffer(meshopt_encodeVertexBufferBound(13, 4));
+	buffer.resize(meshopt_encodeVertexBuffer(&buffer[0], buffer.size(), data, 13, 4));
+
+	unsigned char decoded[13 * 4];
+	assert(meshopt_decodeVertexBuffer(decoded, 13, 4, &buffer[0], buffer.size()) == 0);
+	assert(memcmp(decoded, data, sizeof(data)) == 0);
+}
+
 static void encodeVertexEmpty()
 {
 	std::vector<unsigned char> buffer(meshopt_encodeVertexBufferBound(0, 16));
@@ -1960,15 +1981,18 @@ void runTests()
 	decodeVertexMemorySafe();
 	decodeVertexRejectExtraBytes();
 	decodeVertexRejectMalformedHeaders();
+
 	decodeVertexBitGroups();
 	decodeVertexBitGroupSentinels();
 	decodeVertexLarge();
+	decodeVertexSmall();
 	encodeVertexEmpty();
 
 	meshopt_encodeVertexVersion(0xe);
 	decodeVertexBitGroups();
 	decodeVertexBitGroupSentinels();
 	decodeVertexLarge();
+	decodeVertexSmall();
 	encodeVertexEmpty();
 	meshopt_encodeVertexVersion(0);
 
diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 5ca7c91f71..2cee5f0d49 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -433,13 +433,18 @@ static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count
 	for (size_t i = 0; i < vertex_count; i += kVertexBlockMaxSize)
 	{
 		size_t block_size = i + kVertexBlockMaxSize < vertex_count ? kVertexBlockMaxSize : vertex_count - i;
+		size_t block_size_aligned = (block_size + kByteGroupSize - 1) & ~(kByteGroupSize - 1);
+
+		// we sometimes encode elements we didn't fill when rounding to kByteGroupSize
+		memset(block, 0, block_size_aligned);
 
 		for (int channel = 0; channel < max_channel; ++channel)
 		{
 			for (size_t j = 0; j < 4; ++j)
 			{
 				encodeDeltas(block, vertex_data + i * vertex_size, block_size, vertex_size, last_vertex, k + j, channel);
-				sizes[channel] += encodeBytesMeasure(block, block_size, bits);
+
+				sizes[channel] += encodeBytesMeasure(block, block_size_aligned, bits);
 			}
 		}
 	}

From 386e935bff1be1dff973c890d6220f7275929a23 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 12 Dec 2024 07:37:00 -0800
Subject: [PATCH 479/581] vertexcodec: Simplify encodeDeltas implementation

Instead of hardcoding each data width, we can implement this with the
same approach we've used for decodeDeltas1, templating over the type and
using loops over sizeof(T). This runs at the same speed but is shorter
and hopefully easier to maintain.
---
 src/vertexcodec.cpp | 85 ++++++++++++++++-----------------------------
 1 file changed, 29 insertions(+), 56 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 2cee5f0d49..f5c9beede3 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -147,17 +147,17 @@ static size_t getVertexBlockSize(size_t vertex_size)
 	return (result < kVertexBlockMaxSize) ? result : kVertexBlockMaxSize;
 }
 
-inline unsigned char zigzag8(unsigned char v)
+inline unsigned char zigzag(unsigned char v)
 {
 	return ((signed char)(v) >> 7) ^ (v << 1);
 }
 
-inline unsigned short zigzag16(unsigned short v)
+inline unsigned short zigzag(unsigned short v)
 {
 	return ((signed short)(v) >> 15) ^ (v << 1);
 }
 
-inline unsigned int zigzag32(unsigned int v)
+inline unsigned int zigzag(unsigned int v)
 {
 	return ((signed int)(v) >> 31) ^ (v << 1);
 }
@@ -349,68 +349,41 @@ static size_t encodeBytesMeasure(const unsigned char* buffer, size_t buffer_size
 	return result;
 }
 
-static void encodeDeltas(unsigned char* buffer, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, const unsigned char last_vertex[256], size_t k, int channel)
+template <typename T, bool Xor>
+static void encodeDeltas1(unsigned char* buffer, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, const unsigned char last_vertex[256], size_t k)
 {
-	switch (channel)
-	{
-	case 0:
-	{
-		unsigned char p = last_vertex[k];
+	size_t k0 = k & ~(sizeof(T) - 1);
+	int ks = (k & (sizeof(T) - 1)) * 8;
 
-		for (size_t i = 0; i < vertex_count; ++i)
-		{
-			unsigned char v = vertex_data[i * vertex_size + k];
+	T p = last_vertex[k0];
+	for (size_t j = 1; j < sizeof(T); ++j)
+		p |= T(last_vertex[k0 + j]) << (j * 8);
 
-			buffer[i] = zigzag8(v - p);
-			p = v;
-		}
-		break;
-	}
-	case 1:
+	for (size_t i = 0; i < vertex_count; ++i)
 	{
-		size_t k0 = k & ~1;
-		int ks = (k & 1) * 8;
-
-		unsigned short p = last_vertex[k0] + (last_vertex[k0 + 1] << 8);
+		T v = vertex_data[i * vertex_size + k0];
+		for (size_t j = 1; j < sizeof(T); ++j)
+			v |= vertex_data[i * vertex_size + k0 + j] << (j * 8);
 
-		for (size_t i = 0; i < vertex_count; ++i)
-		{
-			unsigned short v = vertex_data[i * vertex_size + k0] + (vertex_data[i * vertex_size + k0 + 1] << 8);
+		T d = Xor ? v ^ p : zigzag(T(v - p));
 
-			buffer[i] = (unsigned char)(zigzag16(v - p) >> ks);
-			p = v;
-		}
-		break;
+		buffer[i] = (unsigned char)(d >> ks);
+		p = v;
 	}
-	case 2:
-	{
-		size_t k0 = k & ~3;
-		int ks = (k & 3) * 8;
-
-		unsigned int p = last_vertex[k0] + (last_vertex[k0 + 1] << 8) + (last_vertex[k0 + 2] << 16) + (last_vertex[k0 + 3] << 24);
-
-		for (size_t i = 0; i < vertex_count; ++i)
-		{
-			unsigned int v = vertex_data[i * vertex_size + k0] + (vertex_data[i * vertex_size + k0 + 1] << 8) + (vertex_data[i * vertex_size + k0 + 2] << 16) + (vertex_data[i * vertex_size + k0 + 3] << 24);
+}
 
-			buffer[i] = (unsigned char)(zigzag32(v - p) >> ks);
-			p = v;
-		}
-		break;
-	}
-	case 3:
+static void encodeDeltas(unsigned char* buffer, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, const unsigned char last_vertex[256], size_t k, int channel)
+{
+	switch (channel)
 	{
-		unsigned char p = last_vertex[k];
-
-		for (size_t i = 0; i < vertex_count; ++i)
-		{
-			unsigned char v = vertex_data[i * vertex_size + k];
-
-			buffer[i] = v ^ p;
-			p = v;
-		}
-		break;
-	}
+	case 0:
+		return encodeDeltas1<unsigned char, false>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k);
+	case 1:
+		return encodeDeltas1<unsigned short, false>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k);
+	case 2:
+		return encodeDeltas1<unsigned int, false>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k);
+	case 3:
+		return encodeDeltas1<unsigned char, true>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k);
 	default:
 		assert(!"Unsupported channel encoding");
 	}

From 34614daa44fcee3b1e7d99643c81c9fd80c972eb Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 12 Dec 2024 07:50:35 -0800
Subject: [PATCH 480/581] vertexcodec: Expand TRACE output to include channels

For clarity we print dots for higher bytes within the same channel that
are using the same type of delta.

Also fix first trace line being hard to read in codectest.
---
 src/vertexcodec.cpp | 14 ++++++++++++++
 tools/codectest.cpp |  5 +++++
 2 files changed, 19 insertions(+)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index f5c9beede3..11ccefce34 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1824,6 +1824,19 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 		size_t total_k = vsk.header + vsk.bitg[1] + vsk.bitg[2] + vsk.bitg[4] + vsk.bitg[8];
 		double total_kr = total_k ? 1.0 / double(total_k) : 0;
 
+		if (version != 0)
+		{
+			int channel = channels[k / 4];
+
+			const char* chname = ".";
+			chname = (channel == 0) ? "1" : chname;
+			chname = (channel == 1 && k % 2 == 0) ? "2" : chname;
+			chname = (channel == 2 && k % 4 == 0) ? "4" : chname;
+			chname = (channel == 3) ? "^" : chname;
+
+			printf(" | %s", chname);
+		}
+
 		printf(" |\thdr [%5.1f%%] bitg [1 %4.1f%% 2 %4.1f%% 4 %4.1f%% 8 %4.1f%%]",
 		    double(vsk.header) * total_kr * 100,
 		    double(vsk.bitg[1]) * total_kr * 100, double(vsk.bitg[2]) * total_kr * 100,
@@ -1843,6 +1856,7 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 		    double(vsk.bitc[2]) / double(vertex_count) * 100, double(vsk.bitc[3]) / double(vertex_count) * 100,
 		    double(vsk.bitc[4]) / double(vertex_count) * 100, double(vsk.bitc[5]) / double(vertex_count) * 100,
 		    double(vsk.bitc[6]) / double(vertex_count) * 100, double(vsk.bitc[7]) / double(vertex_count) * 100);
+
 		printf("\n");
 	}
 #endif
diff --git a/tools/codectest.cpp b/tools/codectest.cpp
index c9d31bb4cd..50545c2509 100644
--- a/tools/codectest.cpp
+++ b/tools/codectest.cpp
@@ -133,7 +133,12 @@ void testFile(const char* path, Stats* stats = 0)
 	size_t namel = name1 ? name1 - name0 : strlen(name0);
 	namel = namel > 25 ? 25 : namel;
 
+#if TRACE
+	printf("%.*s: %s\n", int(namel), name0, path);
+#else
 	printf("%25.*s:", int(namel), name0);
+#endif
+
 	testFile(file, vcnt, vsz, stats);
 	printf("\n");
 

From 0e17ab0f028ed04bca5d2c537d2b07292d2cc00d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 12 Dec 2024 17:36:29 -0800
Subject: [PATCH 481/581] vertexcodec: Remove support for 32-bit deltas

Both xors and 32-bit deltas are not particularly profitable on real
data; of the two, 32-bit deltas take more effort to support whereas xor
is not only easier to support but also decodes faster.

In the future we might keep xor mode to be able to select faster deltas
for channels that do not compress at all anyway.
---
 src/vertexcodec.cpp | 131 ++------------------------------------------
 1 file changed, 6 insertions(+), 125 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 11ccefce34..52d65b9202 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -133,7 +133,7 @@ const size_t kTailMinSize = 32; // must be >= kByteGroupDecodeLimit
 static const int kBitsV0[4] = {0, 2, 4, 8};
 static const int kBitsV1[5] = {0, 1, 2, 4, 8};
 
-const int kEncodeMaxChannel = 4;
+const int kEncodeMaxChannel = 3;
 
 static size_t getVertexBlockSize(size_t vertex_size)
 {
@@ -157,11 +157,6 @@ inline unsigned short zigzag(unsigned short v)
 	return ((signed short)(v) >> 15) ^ (v << 1);
 }
 
-inline unsigned int zigzag(unsigned int v)
-{
-	return ((signed int)(v) >> 31) ^ (v << 1);
-}
-
 template <typename T>
 inline T unzigzag(T v)
 {
@@ -381,8 +376,6 @@ static void encodeDeltas(unsigned char* buffer, const unsigned char* vertex_data
 	case 1:
 		return encodeDeltas1<unsigned short, false>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k);
 	case 2:
-		return encodeDeltas1<unsigned int, false>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k);
-	case 3:
 		return encodeDeltas1<unsigned char, true>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k);
 	default:
 		assert(!"Unsupported channel encoding");
@@ -719,12 +712,10 @@ static const unsigned char* decodeVertexBlock(const unsigned char* data, const u
 			decodeDeltas1<unsigned short, false>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k);
 			break;
 		case 2:
-			decodeDeltas1<unsigned int, false>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k);
-			break;
-		case 3:
 			decodeDeltas1<unsigned int, true>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k);
 			break;
 		default:
+			// invalid channel type
 			return NULL;
 		}
 	}
@@ -1297,47 +1288,6 @@ inline void unzigzag16(__m128i& v0, __m128i& v1)
 	v0 = _mm_xor_si128(r0, mk);
 	v1 = _mm_xor_si128(r1, mk);
 }
-
-SIMD_TARGET
-inline void unzigzag32(__m128i& v0, __m128i& v1, __m128i& v2, __m128i& v3)
-{
-	// v >> 1 (per byte)
-	__m128i r0 = _mm_and_si128(_mm_srli_epi16(v0, 1), _mm_set1_epi8(0x7f));
-	__m128i r1 = _mm_and_si128(_mm_srli_epi16(v1, 1), _mm_set1_epi8(0x7f));
-	__m128i r2 = _mm_and_si128(_mm_srli_epi16(v2, 1), _mm_set1_epi8(0x7f));
-	__m128i r3 = _mm_and_si128(_mm_srli_epi16(v3, 1), _mm_set1_epi8(0x7f));
-
-	// v >> 1 (carry)
-	r0 = _mm_or_si128(r0, _mm_andnot_si128(_mm_set1_epi8(0x7f), _mm_slli_epi16(v1, 7)));
-	r1 = _mm_or_si128(r1, _mm_andnot_si128(_mm_set1_epi8(0x7f), _mm_slli_epi16(v2, 7)));
-	r2 = _mm_or_si128(r2, _mm_andnot_si128(_mm_set1_epi8(0x7f), _mm_slli_epi16(v3, 7)));
-
-	// -(v & 1)
-	__m128i mk = _mm_sub_epi8(_mm_setzero_si128(), _mm_and_si128(v0, _mm_set1_epi8(1)));
-
-	v0 = _mm_xor_si128(r0, mk);
-	v1 = _mm_xor_si128(r1, mk);
-	v2 = _mm_xor_si128(r2, mk);
-	v3 = _mm_xor_si128(r3, mk);
-}
-
-SIMD_TARGET
-inline __m128i undelta(__m128i v, __m128i p, int channel)
-{
-	switch (channel)
-	{
-	case 0:
-		return _mm_add_epi8(v, p);
-	case 1:
-		return _mm_add_epi16(v, p);
-	case 2:
-		return _mm_add_epi32(v, p);
-	case 3:
-		return _mm_xor_si128(v, p);
-	default:
-		return v;
-	}
-}
 #endif
 
 #ifdef SIMD_NEON
@@ -1382,47 +1332,6 @@ inline void unzigzag16(uint8x16_t& v0, uint8x16_t& v1)
 	v0 = veorq_u8(r0, mk);
 	v1 = veorq_u8(r1, mk);
 }
-
-SIMD_TARGET
-inline void unzigzag32(uint8x16_t& v0, uint8x16_t& v1, uint8x16_t& v2, uint8x16_t& v3)
-{
-	// v >> 1 (per byte)
-	uint8x16_t r0 = vshrq_n_u8(v0, 1);
-	uint8x16_t r1 = vshrq_n_u8(v1, 1);
-	uint8x16_t r2 = vshrq_n_u8(v2, 1);
-	uint8x16_t r3 = vshrq_n_u8(v3, 1);
-
-	// v >> 1 (carry)
-	r0 = vorrq_u8(r0, vshlq_n_u8(v1, 7));
-	r1 = vorrq_u8(r1, vshlq_n_u8(v2, 7));
-	r2 = vorrq_u8(r2, vshlq_n_u8(v3, 7));
-
-	// -(v & 1)
-	uint8x16_t mk = vreinterpretq_u8_s8(vnegq_s8(vreinterpretq_s8_u8(vandq_u8(v0, vdupq_n_u8(1)))));
-
-	v0 = veorq_u8(r0, mk);
-	v1 = veorq_u8(r1, mk);
-	v2 = veorq_u8(r2, mk);
-	v3 = veorq_u8(r3, mk);
-}
-
-SIMD_TARGET
-inline uint8x8_t undelta(uint8x8_t v, uint8x8_t p, int channel)
-{
-	switch (channel)
-	{
-	case 0:
-		return vadd_u8(v, p);
-	case 1:
-		return vreinterpret_u8_u16(vadd_u16(vreinterpret_u16_u8(v), vreinterpret_u16_u8(p)));
-	case 2:
-		return vreinterpret_u8_u32(vadd_u32(vreinterpret_u32_u8(v), vreinterpret_u32_u8(p)));
-	case 3:
-		return veor_u8(v, p);
-	default:
-		return v;
-	}
-}
 #endif
 
 #ifdef SIMD_WASM
@@ -1467,29 +1376,6 @@ inline void unzigzag16(v128_t& v0, v128_t& v1)
 	v1 = wasm_v128_xor(r1, mk);
 }
 
-SIMD_TARGET
-inline void unzigzag32(v128_t& v0, v128_t& v1, v128_t& v2, v128_t& v3)
-{
-	// v >> 1 (per byte)
-	v128_t r0 = wasm_u8x16_shr(v0, 1);
-	v128_t r1 = wasm_u8x16_shr(v1, 1);
-	v128_t r2 = wasm_u8x16_shr(v2, 1);
-	v128_t r3 = wasm_u8x16_shr(v3, 1);
-
-	// v >> 1 (carry)
-	r0 = wasm_v128_or(r0, wasm_i8x16_shl(v1, 7));
-	r1 = wasm_v128_or(r1, wasm_i8x16_shl(v2, 7));
-	r2 = wasm_v128_or(r2, wasm_i8x16_shl(v3, 7));
-
-	// -(v & 1)
-	v128_t mk = wasm_i8x16_neg(wasm_v128_and(v0, wasm_i8x16_splat(1)));
-
-	v0 = wasm_v128_xor(r0, mk);
-	v1 = wasm_v128_xor(r1, mk);
-	v2 = wasm_v128_xor(r2, mk);
-	v3 = wasm_v128_xor(r3, mk);
-}
-
 SIMD_TARGET
 inline v128_t undelta(v128_t v, v128_t p, int channel)
 {
@@ -1562,7 +1448,7 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 #define PREP() __m128i pi = _mm_cvtsi32_si128(*reinterpret_cast<const int*>(last_vertex))
 #define LOAD(i) __m128i r##i = _mm_loadu_si128(reinterpret_cast<const __m128i*>(buffer + j + i * vertex_count_aligned))
 #define GRP4(i) t0 = _mm_shuffle_epi32(r##i, 0), t1 = _mm_shuffle_epi32(r##i, 1), t2 = _mm_shuffle_epi32(r##i, 2), t3 = _mm_shuffle_epi32(r##i, 3)
-#define FIXD(i) t##i = pi = undelta(pi, t##i, Channel)
+#define FIXD(i) t##i = pi = Channel == 0 ? _mm_add_epi8(pi, t##i) : (Channel == 1 ? _mm_add_epi16(pi, t##i) : _mm_xor_si128(pi, t##i))
 #define SAVE(i) *reinterpret_cast<int*>(savep) = _mm_cvtsi128_si32(t##i), savep += vertex_size
 #endif
 
@@ -1571,7 +1457,7 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 #define PREP() uint8x8_t pi = vreinterpret_u8_u32(vld1_lane_u32(reinterpret_cast<uint32_t*>(last_vertex), vdup_n_u32(0), 0))
 #define LOAD(i) uint8x16_t r##i = vld1q_u8(buffer + j + i * vertex_count_aligned)
 #define GRP4(i) t0 = vget_low_u8(r##i), t1 = vreinterpret_u8_u32(vdup_lane_u32(vreinterpret_u32_u8(t0), 1)), t2 = vget_high_u8(r##i), t3 = vreinterpret_u8_u32(vdup_lane_u32(vreinterpret_u32_u8(t2), 1))
-#define FIXD(i) t##i = pi = undelta(pi, t##i, Channel)
+#define FIXD(i) t##i = pi = Channel == 0 ? vadd_u8(pi, t##i) : (Channel == 1 ? vreinterpret_u8_u16(vadd_u16(vreinterpret_u16_u8(pi), vreinterpret_u16_u8(t##i))) : veor_u8(pi, t##i))
 #define SAVE(i) vst1_lane_u32(reinterpret_cast<uint32_t*>(savep), vreinterpret_u32_u8(t##i), 0), savep += vertex_size
 #endif
 
@@ -1580,7 +1466,7 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 #define PREP() v128_t pi = wasm_v128_load(last_vertex)
 #define LOAD(i) v128_t r##i = wasm_v128_load(buffer + j + i * vertex_count_aligned)
 #define GRP4(i) t0 = wasmx_splat_v32x4(r##i, 0), t1 = wasmx_splat_v32x4(r##i, 1), t2 = wasmx_splat_v32x4(r##i, 2), t3 = wasmx_splat_v32x4(r##i, 3)
-#define FIXD(i) t##i = pi = undelta(pi, t##i, Channel)
+#define FIXD(i) t##i = pi = Channel == 0 ? wasm_i8x16_add(pi, t##i) : (Channel == 1 ? wasm_i16x8_add(pi, t##i) : wasm_v128_xor(pi, t##i))
 #define SAVE(i) *reinterpret_cast<int*>(savep) = wasm_i32x4_extract_lane(t##i, 0), savep += vertex_size
 #endif
 
@@ -1607,9 +1493,6 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 			unzigzag16(r0, r1);
 			unzigzag16(r2, r3);
 			break;
-		case 2:
-			unzigzag32(r0, r1, r2, r3);
-			break;
 		default:;
 		}
 
@@ -1705,10 +1588,8 @@ static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, con
 		case 2:
 			decodeDeltas4Simd<2>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k);
 			break;
-		case 3:
-			decodeDeltas4Simd<3>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k);
-			break;
 		default:
+			// invalid channel type
 			return NULL;
 		}
 	}

From 0c698383997c9ef55d1c307a00b31625d6cd056c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 12 Dec 2024 17:46:21 -0800
Subject: [PATCH 482/581] Adjust GHA workflows to skip Draco assets better

---
 .github/workflows/build.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6e525b61ed..18c8acc1ea 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -95,7 +95,7 @@ jobs:
       - name: test
         run: find glTF-Sample-Assets -name '*.gltf' -or -name '*.glb' | xargs -P 2 -L 16 -d '\n' ./gltfpack -cc -test
       - name: pack
-        run: find glTF-Sample-Assets -name '*.gltf' | grep -v 'glTF-Draco' | xargs -P 2 -L 16 -d '\n' -I '{}' ./gltfpack -i '{}' -o '{}pack.gltf'
+        run: find glTF-Sample-Assets -name '*.gltf' | grep -v '\-Draco/' | xargs -P 2 -L 16 -d '\n' -I '{}' ./gltfpack -i '{}' -o '{}pack.gltf'
       - name: validate
         run: |
           curl -sL $VALIDATOR | tar xJ

From cb92e50ce9dfd8ada533df0d3f28b5d158addbae Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 12 Dec 2024 18:12:11 -0800
Subject: [PATCH 483/581] gltfpack: Add -ce option for experimental compression

This is currently under NDEBUG because the format is not binary stable,
but this allows to easily test the compression improvements on arbitrary
glTF files.
---
 gltf/gltfpack.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 95de00c6e5..88ae1e61f9 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -1514,6 +1514,15 @@ int main(int argc, char** argv)
 			settings.compress = true;
 			settings.fallback = true;
 		}
+#ifndef NDEBUG
+		else if (strcmp(arg, "-ce") == 0)
+		{
+			fprintf(stderr, "Warning: experimental compression will produce files that may not decode in the future!\n");
+			meshopt_encodeVertexVersion(0xe);
+			settings.compress = true;
+			settings.compressmore = true;
+		}
+#endif
 		else if (strcmp(arg, "-v") == 0)
 		{
 			settings.verbose = 1;

From 20b26f98746a439600b20065a69ab0c66c4cca5c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 12 Dec 2024 18:16:53 -0800
Subject: [PATCH 484/581] vertexcodec: Remove undelta() from Wasm SIMD code

We no longer use it and just manually inline it into decodeDeltas4Simd.
---
 src/vertexcodec.cpp | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 52d65b9202..51d82833a7 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1375,24 +1375,6 @@ inline void unzigzag16(v128_t& v0, v128_t& v1)
 	v0 = wasm_v128_xor(r0, mk);
 	v1 = wasm_v128_xor(r1, mk);
 }
-
-SIMD_TARGET
-inline v128_t undelta(v128_t v, v128_t p, int channel)
-{
-	switch (channel)
-	{
-	case 0:
-		return wasm_i8x16_add(v, p);
-	case 1:
-		return wasm_i16x8_add(v, p);
-	case 2:
-		return wasm_i32x4_add(v, p);
-	case 3:
-		return wasm_v128_xor(v, p);
-	default:
-		return v;
-	}
-}
 #endif
 
 #if defined(SIMD_SSE) || defined(SIMD_AVX) || defined(SIMD_NEON) || defined(SIMD_WASM)

From 6e56ee42443150ce9638623cae985a5dbe3757a2 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 16 Dec 2024 21:53:12 -0800
Subject: [PATCH 485/581] tools: Only ignore decodeVertexBuffer errors for
 uncompressed data

We were previously only ignoring the error if the input file matched the
expected decompressed size exactly; this could lead to silently wrong
results in certain cases when the data is just invalid.
---
 tools/codectest.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/codectest.cpp b/tools/codectest.cpp
index 50545c2509..874de13206 100644
--- a/tools/codectest.cpp
+++ b/tools/codectest.cpp
@@ -73,6 +73,11 @@ void testFile(FILE* file, size_t count, size_t stride, Stats* stats = 0)
 		input.resize(meshopt_encodeVertexBufferBound(count, stride));
 		input.resize(meshopt_encodeVertexBuffer(input.data(), input.size(), decoded.data(), count, stride));
 	}
+	else if (res != 0)
+	{
+		printf(" error decoding input: %d", res);
+		return;
+	}
 
 	std::vector<unsigned char> output(meshopt_encodeVertexBufferBound(count, stride));
 	meshopt_encodeVertexVersion(0xe);

From eca13a34d60c703bdf513a248f4e8f6e3b3d8db6 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 18 Dec 2024 08:29:20 -0800
Subject: [PATCH 486/581] vertexcodec: Run unzigzag after transpose

8-bit unzigzag can be ran before or after transpose; running this after
transpose makes it a little easier for compiler to schedule work given
that transpose needs 8 registers.

More importantly, 16-bit unzigzag ran after transpose has direct access
to unpacked 16-bit data and can avoid doing operations across individual
bytes; this makes decoding ~4% faster.
---
 src/vertexcodec.cpp | 82 ++++++++++++++++-----------------------------
 1 file changed, 29 insertions(+), 53 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 51d82833a7..0adf0d4921 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1263,30 +1263,21 @@ inline void transpose8(__m128i& x0, __m128i& x1, __m128i& x2, __m128i& x3)
 }
 
 SIMD_TARGET
-inline void unzigzag8(__m128i& v)
+inline __m128i unzigzag8(__m128i v)
 {
-	// -(v & 1) ^ (v >> 1)
 	__m128i xl = _mm_sub_epi8(_mm_setzero_si128(), _mm_and_si128(v, _mm_set1_epi8(1)));
 	__m128i xr = _mm_and_si128(_mm_srli_epi16(v, 1), _mm_set1_epi8(127));
 
-	v = _mm_xor_si128(xl, xr);
+	return _mm_xor_si128(xl, xr);
 }
 
 SIMD_TARGET
-inline void unzigzag16(__m128i& v0, __m128i& v1)
+inline __m128i unzigzag16(__m128i v)
 {
-	// v >> 1 (per byte)
-	__m128i r0 = _mm_and_si128(_mm_srli_epi16(v0, 1), _mm_set1_epi8(0x7f));
-	__m128i r1 = _mm_and_si128(_mm_srli_epi16(v1, 1), _mm_set1_epi8(0x7f));
+	__m128i xl = _mm_sub_epi16(_mm_setzero_si128(), _mm_and_si128(v, _mm_set1_epi16(1)));
+	__m128i xr = _mm_srli_epi16(v, 1);
 
-	// v >> 1 (carry)
-	r0 = _mm_or_si128(r0, _mm_andnot_si128(_mm_set1_epi8(0x7f), _mm_slli_epi16(v1, 7)));
-
-	// -(v & 1)
-	__m128i mk = _mm_sub_epi8(_mm_setzero_si128(), _mm_and_si128(v0, _mm_set1_epi8(1)));
-
-	v0 = _mm_xor_si128(r0, mk);
-	v1 = _mm_xor_si128(r1, mk);
+	return _mm_xor_si128(xl, xr);
 }
 #endif
 
@@ -1307,30 +1298,22 @@ inline void transpose8(uint8x16_t& x0, uint8x16_t& x1, uint8x16_t& x2, uint8x16_
 }
 
 SIMD_TARGET
-inline void unzigzag8(uint8x16_t& v)
+inline uint8x16_t unzigzag8(uint8x16_t v)
 {
-	// -(v & 1) ^ (v >> 1)
 	uint8x16_t xl = vreinterpretq_u8_s8(vnegq_s8(vreinterpretq_s8_u8(vandq_u8(v, vdupq_n_u8(1)))));
 	uint8x16_t xr = vshrq_n_u8(v, 1);
 
-	v = veorq_u8(xl, xr);
+	return veorq_u8(xl, xr);
 }
 
 SIMD_TARGET
-inline void unzigzag16(uint8x16_t& v0, uint8x16_t& v1)
+inline uint8x16_t unzigzag16(uint8x16_t v)
 {
-	// v >> 1 (per byte)
-	uint8x16_t r0 = vshrq_n_u8(v0, 1);
-	uint8x16_t r1 = vshrq_n_u8(v1, 1);
-
-	// v >> 1 (carry)
-	r0 = vorrq_u8(r0, vshlq_n_u8(v1, 7));
+	uint16x8_t vv = vreinterpretq_u16_u8(v);
+	uint8x16_t xl = vreinterpretq_u8_s16(vnegq_s16(vreinterpretq_s16_u16(vandq_u16(vv, vdupq_n_u16(1)))));
+	uint8x16_t xr = vreinterpretq_u8_u16(vshrq_n_u16(vv, 1));
 
-	// -(v & 1)
-	uint8x16_t mk = vreinterpretq_u8_s8(vnegq_s8(vreinterpretq_s8_u8(vandq_u8(v0, vdupq_n_u8(1)))));
-
-	v0 = veorq_u8(r0, mk);
-	v1 = veorq_u8(r1, mk);
+	return veorq_u8(xl, xr);
 }
 #endif
 
@@ -1350,30 +1333,21 @@ inline void transpose8(v128_t& x0, v128_t& x1, v128_t& x2, v128_t& x3)
 }
 
 SIMD_TARGET
-inline void unzigzag8(v128_t& v)
+inline v128_t unzigzag8(v128_t v)
 {
-	// -(v & 1) ^ (v >> 1)
 	v128_t xl = wasm_i8x16_neg(wasm_v128_and(v, wasm_i8x16_splat(1)));
 	v128_t xr = wasm_u8x16_shr(v, 1);
 
-	v = wasm_v128_xor(xl, xr);
+	return wasm_v128_xor(xl, xr);
 }
 
 SIMD_TARGET
-inline void unzigzag16(v128_t& v0, v128_t& v1)
+inline v128_t unzigzag16(v128_t v)
 {
-	// v >> 1 (per byte)
-	v128_t r0 = wasm_u8x16_shr(v0, 1);
-	v128_t r1 = wasm_u8x16_shr(v1, 1);
-
-	// v >> 1 (carry)
-	r0 = wasm_v128_or(r0, wasm_i8x16_shl(v1, 7));
+	v128_t xl = wasm_i16x8_neg(wasm_v128_and(v, wasm_i16x8_splat(1)));
+	v128_t xr = wasm_u16x8_shr(v, 1);
 
-	// -(v & 1)
-	v128_t mk = wasm_i8x16_neg(wasm_v128_and(v0, wasm_i8x16_splat(1)));
-
-	v0 = wasm_v128_xor(r0, mk);
-	v1 = wasm_v128_xor(r1, mk);
+	return wasm_v128_xor(xl, xr);
 }
 #endif
 
@@ -1463,23 +1437,25 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 		LOAD(2);
 		LOAD(3);
 
+		transpose8(r0, r1, r2, r3);
+
 		switch (Channel)
 		{
 		case 0:
-			unzigzag8(r0);
-			unzigzag8(r1);
-			unzigzag8(r2);
-			unzigzag8(r3);
+			r0 = unzigzag8(r0);
+			r1 = unzigzag8(r1);
+			r2 = unzigzag8(r2);
+			r3 = unzigzag8(r3);
 			break;
 		case 1:
-			unzigzag16(r0, r1);
-			unzigzag16(r2, r3);
+			r0 = unzigzag16(r0);
+			r1 = unzigzag16(r1);
+			r2 = unzigzag16(r2);
+			r3 = unzigzag16(r3);
 			break;
 		default:;
 		}
 
-		transpose8(r0, r1, r2, r3);
-
 		TEMP t0, t1, t2, t3;
 
 		GRP4(0);

From 218f4570a97ad4bd476b3d2606ab37bc143c444d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 18 Dec 2024 08:39:21 -0800
Subject: [PATCH 487/581] vertexcodec: Only output bit consistency data in
 verbose traces

These clutter the view and are not as useful as the other data, as it
doesn't depend on encoding choices we're making. To make verbose traces
easier to access, add tracev config (which is useful for simplifier as
well).
---
 Makefile            | 4 ++++
 src/vertexcodec.cpp | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/Makefile b/Makefile
index 5429747006..3e9d846dbf 100644
--- a/Makefile
+++ b/Makefile
@@ -79,6 +79,10 @@ ifeq ($(config),trace)
 	CXXFLAGS+=-DTRACE=1
 endif
 
+ifeq ($(config),tracev)
+	CXXFLAGS+=-DTRACE=2
+endif
+
 ifeq ($(config),release)
 	CXXFLAGS+=-O3 -DNDEBUG
 endif
diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 0adf0d4921..a1738b91b9 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1690,11 +1690,13 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 			    double(vsk.ctrl[2]) / double(total_ctrl) * 100, double(vsk.ctrl[3]) / double(total_ctrl) * 100);
 		}
 
+#if TRACE > 1
 		printf(" |\tbitc [%3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%%]",
 		    double(vsk.bitc[0]) / double(vertex_count) * 100, double(vsk.bitc[1]) / double(vertex_count) * 100,
 		    double(vsk.bitc[2]) / double(vertex_count) * 100, double(vsk.bitc[3]) / double(vertex_count) * 100,
 		    double(vsk.bitc[4]) / double(vertex_count) * 100, double(vsk.bitc[5]) / double(vertex_count) * 100,
 		    double(vsk.bitc[6]) / double(vertex_count) * 100, double(vsk.bitc[7]) / double(vertex_count) * 100);
+#endif
 
 		printf("\n");
 	}

From c5c5b1bb65010fd1d8db8a9b760d74a0af24c50e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 18 Dec 2024 10:45:29 -0800
Subject: [PATCH 488/581] vertexcodec: Use high 5 bits of channel to encode
 32-bit rotates

This can be useful to align the bits better in certain cases. However,
rotates come with a set of questions: what's the granularity? which
delta modes do they work in? how much do they cost to decode?

Ideally perhaps we would do fully orthogonal rotates. However, rotates
can be done as a filter step; as such, from the decoder perspective it's
best to focus on rotate applications that are minimal.

When combined with SUB deltas, rotates must be done after deltas get
recombined. This makes them expensive, as this step is ~scalarized. When
using XOR deltas, rotates can be done before or after undelta; that
makes them cheaper and aligns XOR decoding with other delta forms, as
the cost is similar to unzigzag.

Conceptually, there's also some value in this split: SUB deltas assume
integer-like values and bit propagation from MSB to LSB, so bit
alignment is expected; for arbitrary bitpacked data, SUB deltas end up
crossing packing thresholds so they are not optimal.

With XOR deltas, we could still choose to encode 8-bit or 16-bit
rotates. However, since SIMD ISAs commonly lack per-lane rotates, 16-bit
rotates require fixing both halves to do the same rotation which is not
really better than a 32-bit rotate; 8-bit rotates could be done before
transposition but require 12 bits (3x4) of extra channel encoding, and
are not much stronger vs a single 32-bit rotate that neatly fits into
existing channel encoding.

This change only contains the encoding support, with no decoding support
or actually changing the rotate value from the default of zero; that
will happen separately.
---
 src/vertexcodec.cpp | 30 ++++++++++++++++++++----------
 1 file changed, 20 insertions(+), 10 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index a1738b91b9..b39512fb39 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -157,6 +157,16 @@ inline unsigned short zigzag(unsigned short v)
 	return ((signed short)(v) >> 15) ^ (v << 1);
 }
 
+inline unsigned int zigzag(unsigned int v)
+{
+	return ((signed int)(v) >> 31) ^ (v << 1);
+}
+
+inline unsigned int rotate(unsigned int v, int r)
+{
+	return (v << r) | (v >> (32 - r));
+}
+
 template <typename T>
 inline T unzigzag(T v)
 {
@@ -345,7 +355,7 @@ static size_t encodeBytesMeasure(const unsigned char* buffer, size_t buffer_size
 }
 
 template <typename T, bool Xor>
-static void encodeDeltas1(unsigned char* buffer, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, const unsigned char last_vertex[256], size_t k)
+static void encodeDeltas1(unsigned char* buffer, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, const unsigned char last_vertex[256], size_t k, int rot)
 {
 	size_t k0 = k & ~(sizeof(T) - 1);
 	int ks = (k & (sizeof(T) - 1)) * 8;
@@ -360,7 +370,7 @@ static void encodeDeltas1(unsigned char* buffer, const unsigned char* vertex_dat
 		for (size_t j = 1; j < sizeof(T); ++j)
 			v |= vertex_data[i * vertex_size + k0 + j] << (j * 8);
 
-		T d = Xor ? v ^ p : zigzag(T(v - p));
+		T d = Xor ? rotate(v ^ p, rot) : zigzag(T(v - p));
 
 		buffer[i] = (unsigned char)(d >> ks);
 		p = v;
@@ -369,20 +379,20 @@ static void encodeDeltas1(unsigned char* buffer, const unsigned char* vertex_dat
 
 static void encodeDeltas(unsigned char* buffer, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, const unsigned char last_vertex[256], size_t k, int channel)
 {
-	switch (channel)
+	switch (channel & 3)
 	{
 	case 0:
-		return encodeDeltas1<unsigned char, false>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k);
+		return encodeDeltas1<unsigned char, false>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k, 0);
 	case 1:
-		return encodeDeltas1<unsigned short, false>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k);
+		return encodeDeltas1<unsigned short, false>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k, 0);
 	case 2:
-		return encodeDeltas1<unsigned char, true>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k);
+		return encodeDeltas1<unsigned int, true>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k, channel >> 3);
 	default:
 		assert(!"Unsupported channel encoding");
 	}
 }
 
-static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, size_t k, int max_channel)
+static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, size_t k, int max_channel, int xor_rot)
 {
 	if (vertex_count == 0 || max_channel <= 1)
 		return 0;
@@ -408,7 +418,7 @@ static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count
 		{
 			for (size_t j = 0; j < 4; ++j)
 			{
-				encodeDeltas(block, vertex_data + i * vertex_size, block_size, vertex_size, last_vertex, k + j, channel);
+				encodeDeltas(block, vertex_data + i * vertex_size, block_size, vertex_size, last_vertex, k + j, channel | (xor_rot << 3));
 
 				sizes[channel] += encodeBytesMeasure(block, block_size_aligned, bits);
 			}
@@ -419,7 +429,7 @@ static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count
 	for (int channel = 1; channel < max_channel; ++channel)
 		best_channel = (sizes[channel] < sizes[best_channel]) ? channel : best_channel;
 
-	return best_channel;
+	return best_channel == 2 ? best_channel | (xor_rot << 3) : best_channel;
 }
 
 static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data_end, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], const unsigned char* channels, int version)
@@ -1610,7 +1620,7 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 	unsigned char channels[64] = {};
 	if (version != 0)
 		for (size_t k = 0; k < vertex_size; k += 4)
-			channels[k / 4] = (unsigned char)estimateChannel(vertex_data, vertex_count, vertex_size, k, kEncodeMaxChannel);
+			channels[k / 4] = (unsigned char)estimateChannel(vertex_data, vertex_count, vertex_size, k, kEncodeMaxChannel, 0);
 
 	size_t vertex_block_size = getVertexBlockSize(vertex_size);
 

From 4412dba832e31ffe977f99a5f3389bcb4444d4d9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 18 Dec 2024 11:11:05 -0800
Subject: [PATCH 489/581] vertexcodec: Implement SIMD and scalar decoding for
 rotates

With just 32-bit rotates, this is straightforward: it can be done after
byte transpose, as we have fully assembled 32-bit values; doing this
before XOR is correct and efficient since it can be done in parallel.
---
 src/vertexcodec.cpp | 47 ++++++++++++++++++++++++++++++++++-----------
 1 file changed, 36 insertions(+), 11 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index b39512fb39..6f2c9ccfcd 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -633,7 +633,7 @@ static const unsigned char* decodeBytes(const unsigned char* data, const unsigne
 }
 
 template <typename T, bool Xor>
-static void decodeDeltas1(const unsigned char* buffer, unsigned char* transposed, size_t vertex_count, size_t vertex_size, const unsigned char* last_vertex)
+static void decodeDeltas1(const unsigned char* buffer, unsigned char* transposed, size_t vertex_count, size_t vertex_size, const unsigned char* last_vertex, int rot)
 {
 	for (size_t k = 0; k < 4; k += sizeof(T))
 	{
@@ -649,7 +649,7 @@ static void decodeDeltas1(const unsigned char* buffer, unsigned char* transposed
 			for (size_t j = 1; j < sizeof(T); ++j)
 				v |= buffer[i + vertex_count * j] << (8 * j);
 
-			v = Xor ? v ^ p : unzigzag(v) + p;
+			v = Xor ? rotate(v, rot) ^ p : unzigzag(v) + p;
 
 			for (size_t j = 0; j < sizeof(T); ++j)
 				transposed[vertex_offset + j] = (unsigned char)(v >> (j * 8));
@@ -713,16 +713,16 @@ static const unsigned char* decodeVertexBlock(const unsigned char* data, const u
 
 		int channel = version == 0 ? 0 : channels[k / 4];
 
-		switch (channel)
+		switch (channel & 3)
 		{
 		case 0:
-			decodeDeltas1<unsigned char, false>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k);
+			decodeDeltas1<unsigned char, false>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k, 0);
 			break;
 		case 1:
-			decodeDeltas1<unsigned short, false>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k);
+			decodeDeltas1<unsigned short, false>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k, 0);
 			break;
 		case 2:
-			decodeDeltas1<unsigned int, true>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k);
+			decodeDeltas1<unsigned int, true>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k, (32 - (channel >> 3)) & 31);
 			break;
 		default:
 			// invalid channel type
@@ -1289,6 +1289,12 @@ inline __m128i unzigzag16(__m128i v)
 
 	return _mm_xor_si128(xl, xr);
 }
+
+SIMD_TARGET
+inline __m128i rotate32(__m128i v, int r)
+{
+	return _mm_or_si128(_mm_slli_epi32(v, r), _mm_srli_epi32(v, 32 - r));
+}
 #endif
 
 #ifdef SIMD_NEON
@@ -1325,6 +1331,13 @@ inline uint8x16_t unzigzag16(uint8x16_t v)
 
 	return veorq_u8(xl, xr);
 }
+
+SIMD_TARGET
+inline uint8x16_t rotate32(uint8x16_t v, int r)
+{
+	uint32x4_t v32 = vreinterpretq_u32_u8(v);
+	return vreinterpretq_u8_u32(vorrq_u32(vshlq_u32(v32, vdupq_n_s32(r)), vshlq_u32(v32, vdupq_n_s32(r - 32))));
+}
 #endif
 
 #ifdef SIMD_WASM
@@ -1359,6 +1372,12 @@ inline v128_t unzigzag16(v128_t v)
 
 	return wasm_v128_xor(xl, xr);
 }
+
+SIMD_TARGET
+inline v128_t rotate32(v128_t v, int r)
+{
+	return wasm_v128_or(wasm_i32x4_shl(v, r), wasm_i32x4_shr(v, 32 - r));
+}
 #endif
 
 #if defined(SIMD_SSE) || defined(SIMD_AVX) || defined(SIMD_NEON) || defined(SIMD_WASM)
@@ -1407,7 +1426,7 @@ static const unsigned char* decodeBytesSimd(const unsigned char* data, const uns
 
 template <int Channel>
 SIMD_TARGET static void
-decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t vertex_count_aligned, size_t vertex_size, unsigned char last_vertex[4])
+decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t vertex_count_aligned, size_t vertex_size, unsigned char last_vertex[4], int rot)
 {
 #if defined(SIMD_SSE) || defined(SIMD_AVX)
 #define TEMP __m128i
@@ -1463,6 +1482,12 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 			r2 = unzigzag16(r2);
 			r3 = unzigzag16(r3);
 			break;
+		case 2:
+			r0 = rotate32(r0, rot);
+			r1 = rotate32(r1, rot);
+			r2 = rotate32(r2, rot);
+			r3 = rotate32(r3, rot);
+			break;
 		default:;
 		}
 
@@ -1545,16 +1570,16 @@ static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, con
 
 		int channel = version == 0 ? 0 : channels[k / 4];
 
-		switch (channel)
+		switch (channel & 3)
 		{
 		case 0:
-			decodeDeltas4Simd<0>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k);
+			decodeDeltas4Simd<0>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k, 0);
 			break;
 		case 1:
-			decodeDeltas4Simd<1>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k);
+			decodeDeltas4Simd<1>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k, 0);
 			break;
 		case 2:
-			decodeDeltas4Simd<2>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k);
+			decodeDeltas4Simd<2>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k, (32 - (channel >> 3)) & 31);
 			break;
 		default:
 			// invalid channel type

From 1f4b9aaf10c89ea05df032a9a4d26b6bc00532a0 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 18 Dec 2024 11:16:57 -0800
Subject: [PATCH 490/581] vertexcodec: Implement brute-force estimation for
 rotation

We try all 32 possibilities for every group and record the best one,
assuming XOR is a good choice of the encoding. Then we will use this
value when benchmarking XOR vs SUB variants.

This makes the encoding significantly slower, of course, but we can
implement better heuristics separately.
---
 src/vertexcodec.cpp | 45 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 44 insertions(+), 1 deletion(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 6f2c9ccfcd..495f8b2c74 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -392,6 +392,46 @@ static void encodeDeltas(unsigned char* buffer, const unsigned char* vertex_data
 	}
 }
 
+static int estimateRotate(const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, size_t k)
+{
+	if (vertex_count == 0)
+		return 0;
+
+	unsigned char block[kVertexBlockMaxSize];
+
+	unsigned char last_vertex[256] = {};
+	memcpy(last_vertex, vertex_data, vertex_size);
+
+	size_t sizes[32] = {};
+
+	const int* bits = kBitsV1 + 1;
+
+	for (size_t i = 0; i < vertex_count; i += kVertexBlockMaxSize)
+	{
+		size_t block_size = i + kVertexBlockMaxSize < vertex_count ? kVertexBlockMaxSize : vertex_count - i;
+		size_t block_size_aligned = (block_size + kByteGroupSize - 1) & ~(kByteGroupSize - 1);
+
+		// we sometimes encode elements we didn't fill when rounding to kByteGroupSize
+		memset(block, 0, block_size_aligned);
+
+		for (int rot = 0; rot < 32; ++rot)
+		{
+			for (size_t j = 0; j < 4; ++j)
+			{
+				encodeDeltas(block, vertex_data + i * vertex_size, block_size, vertex_size, last_vertex, k + j, 2 | (rot << 3));
+
+				sizes[rot] += encodeBytesMeasure(block, block_size_aligned, bits);
+			}
+		}
+	}
+
+	int best_rot = 0;
+	for (int rot = 1; rot < 32; ++rot)
+		best_rot = (sizes[rot] < sizes[best_rot]) ? rot : best_rot;
+
+	return best_rot;
+}
+
 static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, size_t k, int max_channel, int xor_rot)
 {
 	if (vertex_count == 0 || max_channel <= 1)
@@ -1645,7 +1685,10 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 	unsigned char channels[64] = {};
 	if (version != 0)
 		for (size_t k = 0; k < vertex_size; k += 4)
-			channels[k / 4] = (unsigned char)estimateChannel(vertex_data, vertex_count, vertex_size, k, kEncodeMaxChannel, 0);
+		{
+			int rot = kEncodeMaxChannel >= 3 ? estimateRotate(vertex_data, vertex_count, vertex_size, k) : 0;
+			channels[k / 4] = (unsigned char)estimateChannel(vertex_data, vertex_count, vertex_size, k, kEncodeMaxChannel, rot);
+		}
 
 	size_t vertex_block_size = getVertexBlockSize(vertex_size);
 

From 65eb339ad40e15d8abe2bfa8bad796474d7442a2 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 18 Dec 2024 11:29:45 -0800
Subject: [PATCH 491/581] vertexcodec: Fix trace output for channels

When we removed 32-bit integer deltas the trace output became wrong;
also we now need to incorporate rotate amount into the output.
---
 src/vertexcodec.cpp | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 495f8b2c74..28a25e6ed4 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1745,16 +1745,13 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 		{
 			int channel = channels[k / 4];
 
-			const char* chname = ".";
-			chname = (channel == 0) ? "1" : chname;
-			chname = (channel == 1 && k % 2 == 0) ? "2" : chname;
-			chname = (channel == 2 && k % 4 == 0) ? "4" : chname;
-			chname = (channel == 3) ? "^" : chname;
-
-			printf(" | %s", chname);
+			if ((channel & 3) == 2 && k % 4 == 0)
+				printf(" | ^%2d", channel >> 3);
+			else
+				printf(" | %3s", channel == 0 ? "1" : (channel == 1 && k % 2 == 0 ? "2" : "."));
 		}
 
-		printf(" |\thdr [%5.1f%%] bitg [1 %4.1f%% 2 %4.1f%% 4 %4.1f%% 8 %4.1f%%]",
+		printf(" | hdr [%5.1f%%] bitg [1 %4.1f%% 2 %4.1f%% 4 %4.1f%% 8 %4.1f%%]",
 		    double(vsk.header) * total_kr * 100,
 		    double(vsk.bitg[1]) * total_kr * 100, double(vsk.bitg[2]) * total_kr * 100,
 		    double(vsk.bitg[4]) * total_kr * 100, double(vsk.bitg[8]) * total_kr * 100);
@@ -1763,13 +1760,13 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 
 		if (total_ctrl)
 		{
-			printf(" |\tctrl %3.0f%% %3.0f%% %3.0f%% %3.0f%%",
+			printf(" | ctrl %3.0f%% %3.0f%% %3.0f%% %3.0f%%",
 			    double(vsk.ctrl[0]) / double(total_ctrl) * 100, double(vsk.ctrl[1]) / double(total_ctrl) * 100,
 			    double(vsk.ctrl[2]) / double(total_ctrl) * 100, double(vsk.ctrl[3]) / double(total_ctrl) * 100);
 		}
 
 #if TRACE > 1
-		printf(" |\tbitc [%3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%%]",
+		printf(" | bitc [%3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%%]",
 		    double(vsk.bitc[0]) / double(vertex_count) * 100, double(vsk.bitc[1]) / double(vertex_count) * 100,
 		    double(vsk.bitc[2]) / double(vertex_count) * 100, double(vsk.bitc[3]) / double(vertex_count) * 100,
 		    double(vsk.bitc[4]) / double(vertex_count) * 100, double(vsk.bitc[5]) / double(vertex_count) * 100,

From 85599de63d05c01ea1bc8f87cd5e456dc2c67e06 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 18 Dec 2024 11:54:09 -0800
Subject: [PATCH 492/581] demo: Add more unit tests for new decoding types

This tests wider deltas as well as xor+rotates by forcing the pattern to
be optimal to encode in a given fashion.
---
 demo/tests.cpp | 67 +++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 55 insertions(+), 12 deletions(-)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 055993f1b0..ebb703309c 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -483,6 +483,48 @@ static void decodeVertexBitGroupSentinels()
 	assert(memcmp(decoded, data, sizeof(data)) == 0);
 }
 
+static void decodeVertexDeltas()
+{
+	unsigned short data[16 * 4];
+
+	// this forces wider deltas by using values that cross byte boundary
+	for (size_t i = 0; i < 16; ++i)
+	{
+		data[i * 4 + 0] = (unsigned short)(0xf8 + i * 1);
+		data[i * 4 + 1] = (unsigned short)(0xf8 + i * 2);
+		data[i * 4 + 2] = (unsigned short)(0xf0 + i * 3);
+		data[i * 4 + 3] = (unsigned short)(0xf0 + i * 4);
+	}
+
+	std::vector<unsigned char> buffer(meshopt_encodeVertexBufferBound(16, 8));
+	buffer.resize(meshopt_encodeVertexBuffer(&buffer[0], buffer.size(), data, 16, 8));
+
+	unsigned short decoded[16 * 4];
+	assert(meshopt_decodeVertexBuffer(decoded, 16, 8, &buffer[0], buffer.size()) == 0);
+	assert(memcmp(decoded, data, sizeof(data)) == 0);
+}
+
+static void decodeVertexBitXor()
+{
+	unsigned int data[16 * 4];
+
+	// this forces xors by using bit values at an offset
+	for (size_t i = 0; i < 16; ++i)
+	{
+		data[i * 4 + 0] = unsigned(i << 0);
+		data[i * 4 + 1] = unsigned(i << 2);
+		data[i * 4 + 2] = unsigned(i << 17);
+		data[i * 4 + 3] = unsigned(i << 28);
+	}
+
+	std::vector<unsigned char> buffer(meshopt_encodeVertexBufferBound(16, 16));
+	buffer.resize(meshopt_encodeVertexBuffer(&buffer[0], buffer.size(), data, 16, 16));
+
+	unsigned int decoded[16 * 4];
+	assert(meshopt_decodeVertexBuffer(decoded, 16, 16, &buffer[0], buffer.size()) == 0);
+	assert(memcmp(decoded, data, sizeof(data)) == 0);
+}
+
 static void decodeVertexLarge()
 {
 	unsigned char data[128 * 4];
@@ -1982,18 +2024,19 @@ void runTests()
 	decodeVertexRejectExtraBytes();
 	decodeVertexRejectMalformedHeaders();
 
-	decodeVertexBitGroups();
-	decodeVertexBitGroupSentinels();
-	decodeVertexLarge();
-	decodeVertexSmall();
-	encodeVertexEmpty();
-
-	meshopt_encodeVertexVersion(0xe);
-	decodeVertexBitGroups();
-	decodeVertexBitGroupSentinels();
-	decodeVertexLarge();
-	decodeVertexSmall();
-	encodeVertexEmpty();
+	for (int version = 0; version <= 1; ++version)
+	{
+		meshopt_encodeVertexVersion(version == 1 ? 0xe : version);
+
+		decodeVertexBitGroups();
+		decodeVertexBitGroupSentinels();
+		decodeVertexDeltas();
+		decodeVertexBitXor();
+		decodeVertexLarge();
+		decodeVertexSmall();
+		encodeVertexEmpty();
+	}
+
 	meshopt_encodeVertexVersion(0);
 
 	decodeFilterOct8();

From 265db94847b3984df9608dc53df6e59fe8717955 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 18 Dec 2024 12:37:36 -0800
Subject: [PATCH 493/581] demo: Remove validate parameter from encodeVertex

We no longer need to support encoder without a working decoder.
---
 demo/main.cpp | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 346b522f8b..9a9e4f1770 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -824,7 +824,7 @@ void packVertex(const Mesh& mesh, const char* pvn)
 }
 
 template <typename PV>
-void encodeVertex(const Mesh& mesh, const char* pvn, bool validate = true)
+void encodeVertex(const Mesh& mesh, const char* pvn)
 {
 	std::vector<PV> pv(mesh.vertices.size());
 	packMesh(pv, mesh.vertices);
@@ -840,17 +840,16 @@ void encodeVertex(const Mesh& mesh, const char* pvn, bool validate = true)
 	double middle = timestamp();
 
 	int res = meshopt_decodeVertexBuffer(&result[0], mesh.vertices.size(), sizeof(PV), &vbuf[0], vbuf.size());
-	assert(!validate || res == 0);
+	assert(res == 0);
 	(void)res;
 
 	double end = timestamp();
 
-	assert(!validate || memcmp(&pv[0], &result[0], pv.size() * sizeof(PV)) == 0);
+	assert(memcmp(&pv[0], &result[0], pv.size() * sizeof(PV)) == 0);
 
 	size_t csize = compress(vbuf);
 
-	printf("VtxCodec%1s%s: %.1f bits/vertex (post-deflate %.1f bits/vertex); encode %.2f msec (%.3f GB/s), decode %.2f msec (%.2f GB/s)\n", pvn,
-	    res == 0 && memcmp(&pv[0], &result[0], pv.size() * sizeof(PV)) == 0 ? "" : "!",
+	printf("VtxCodec%1s: %.1f bits/vertex (post-deflate %.1f bits/vertex); encode %.2f msec (%.3f GB/s), decode %.2f msec (%.2f GB/s)\n", pvn,
 	    double(vbuf.size() * 8) / double(mesh.vertices.size()),
 	    double(csize * 8) / double(mesh.vertices.size()),
 	    (middle - start) * 1000,
@@ -1409,7 +1408,7 @@ void processDev(const char* path)
 	meshopt_encodeVertexVersion(0);
 	encodeVertex<PackedVertex>(copy, "0");
 	meshopt_encodeVertexVersion(0xe);
-	encodeVertex<PackedVertex>(copy, "1", /* validate= */ false);
+	encodeVertex<PackedVertex>(copy, "1");
 }
 
 void processNanite(const char* path)

From 62a3197e9938cea5c9e3ef611fb8205fd2eb71c5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 18 Dec 2024 13:23:14 -0800
Subject: [PATCH 494/581] vertexcodec: Reduce the valid rotation range to 0..7

The entire 32-bit rotation space is unnecessary for our purpose:
rotating by 8 yields the same compression as rotating by 0, as it just
changes the byte order and bytes are compressed individually.

This reduces the channel encoding consumption to 5 bits (2+3) and
reduces the iteration during encoding 4x. We could technically encode
using 4 bits (using 0, 1, 2..9 values...), but this doesn't meaningfully
impact tail sizes so maybe isn't that necessary.
---
 src/vertexcodec.cpp | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 28a25e6ed4..87975af865 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -386,7 +386,7 @@ static void encodeDeltas(unsigned char* buffer, const unsigned char* vertex_data
 	case 1:
 		return encodeDeltas1<unsigned short, false>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k, 0);
 	case 2:
-		return encodeDeltas1<unsigned int, true>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k, channel >> 3);
+		return encodeDeltas1<unsigned int, true>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k, channel >> 2);
 	default:
 		assert(!"Unsupported channel encoding");
 	}
@@ -402,7 +402,7 @@ static int estimateRotate(const unsigned char* vertex_data, size_t vertex_count,
 	unsigned char last_vertex[256] = {};
 	memcpy(last_vertex, vertex_data, vertex_size);
 
-	size_t sizes[32] = {};
+	size_t sizes[8] = {};
 
 	const int* bits = kBitsV1 + 1;
 
@@ -414,11 +414,11 @@ static int estimateRotate(const unsigned char* vertex_data, size_t vertex_count,
 		// we sometimes encode elements we didn't fill when rounding to kByteGroupSize
 		memset(block, 0, block_size_aligned);
 
-		for (int rot = 0; rot < 32; ++rot)
+		for (int rot = 0; rot < 8; ++rot)
 		{
 			for (size_t j = 0; j < 4; ++j)
 			{
-				encodeDeltas(block, vertex_data + i * vertex_size, block_size, vertex_size, last_vertex, k + j, 2 | (rot << 3));
+				encodeDeltas(block, vertex_data + i * vertex_size, block_size, vertex_size, last_vertex, k + j, 2 | (rot << 2));
 
 				sizes[rot] += encodeBytesMeasure(block, block_size_aligned, bits);
 			}
@@ -426,7 +426,7 @@ static int estimateRotate(const unsigned char* vertex_data, size_t vertex_count,
 	}
 
 	int best_rot = 0;
-	for (int rot = 1; rot < 32; ++rot)
+	for (int rot = 1; rot < 8; ++rot)
 		best_rot = (sizes[rot] < sizes[best_rot]) ? rot : best_rot;
 
 	return best_rot;
@@ -458,7 +458,7 @@ static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count
 		{
 			for (size_t j = 0; j < 4; ++j)
 			{
-				encodeDeltas(block, vertex_data + i * vertex_size, block_size, vertex_size, last_vertex, k + j, channel | (xor_rot << 3));
+				encodeDeltas(block, vertex_data + i * vertex_size, block_size, vertex_size, last_vertex, k + j, channel | (xor_rot << 2));
 
 				sizes[channel] += encodeBytesMeasure(block, block_size_aligned, bits);
 			}
@@ -469,7 +469,7 @@ static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count
 	for (int channel = 1; channel < max_channel; ++channel)
 		best_channel = (sizes[channel] < sizes[best_channel]) ? channel : best_channel;
 
-	return best_channel == 2 ? best_channel | (xor_rot << 3) : best_channel;
+	return best_channel == 2 ? best_channel | (xor_rot << 2) : best_channel;
 }
 
 static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data_end, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], const unsigned char* channels, int version)
@@ -762,7 +762,7 @@ static const unsigned char* decodeVertexBlock(const unsigned char* data, const u
 			decodeDeltas1<unsigned short, false>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k, 0);
 			break;
 		case 2:
-			decodeDeltas1<unsigned int, true>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k, (32 - (channel >> 3)) & 31);
+			decodeDeltas1<unsigned int, true>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k, (32 - ((channel >> 2) & 7)) & 31);
 			break;
 		default:
 			// invalid channel type
@@ -1619,7 +1619,7 @@ static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, con
 			decodeDeltas4Simd<1>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k, 0);
 			break;
 		case 2:
-			decodeDeltas4Simd<2>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k, (32 - (channel >> 3)) & 31);
+			decodeDeltas4Simd<2>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k, (32 - ((channel >> 2) & 7)) & 31);
 			break;
 		default:
 			// invalid channel type
@@ -1746,9 +1746,9 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 			int channel = channels[k / 4];
 
 			if ((channel & 3) == 2 && k % 4 == 0)
-				printf(" | ^%2d", channel >> 3);
+				printf(" | ^%d", channel >> 2);
 			else
-				printf(" | %3s", channel == 0 ? "1" : (channel == 1 && k % 2 == 0 ? "2" : "."));
+				printf(" | %2s", channel == 0 ? "1" : (channel == 1 && k % 2 == 0 ? "2" : "."));
 		}
 
 		printf(" | hdr [%5.1f%%] bitg [1 %4.1f%% 2 %4.1f%% 4 %4.1f%% 8 %4.1f%%]",

From c4d1d427210289e6d3f3daf9c6cb8d5000000682 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 18 Dec 2024 14:41:59 -0800
Subject: [PATCH 495/581] vertexcodec: Fix UBSAN violation

Shift right by 32 is technically UB; in practice it should not matter
because two valid HW behaviors would either keep v as is, or return 0,
and both result in the same final output, but we should fix this
regardless.
---
 src/vertexcodec.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 87975af865..e4fef1c0b8 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -164,7 +164,7 @@ inline unsigned int zigzag(unsigned int v)
 
 inline unsigned int rotate(unsigned int v, int r)
 {
-	return (v << r) | (v >> (32 - r));
+	return (v << r) | (v >> ((32 - r) & 31));
 }
 
 template <typename T>

From 27a452cbba84865bd5f297c064fcc95ca32ccbf4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 18 Dec 2024 14:43:32 -0800
Subject: [PATCH 496/581] vertexcodec: Fix MSVC warnings

Xor path only gets selected for unsigned int, but the code needs to
remain warning-free for other instantiations of the template.
---
 src/vertexcodec.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index e4fef1c0b8..5dc4096fd3 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -370,7 +370,7 @@ static void encodeDeltas1(unsigned char* buffer, const unsigned char* vertex_dat
 		for (size_t j = 1; j < sizeof(T); ++j)
 			v |= vertex_data[i * vertex_size + k0 + j] << (j * 8);
 
-		T d = Xor ? rotate(v ^ p, rot) : zigzag(T(v - p));
+		T d = Xor ? T(rotate(v ^ p, rot)) : zigzag(T(v - p));
 
 		buffer[i] = (unsigned char)(d >> ks);
 		p = v;
@@ -689,7 +689,7 @@ static void decodeDeltas1(const unsigned char* buffer, unsigned char* transposed
 			for (size_t j = 1; j < sizeof(T); ++j)
 				v |= buffer[i + vertex_count * j] << (8 * j);
 
-			v = Xor ? rotate(v, rot) ^ p : unzigzag(v) + p;
+			v = Xor ? T(rotate(v, rot)) ^ p : unzigzag(v) + p;
 
 			for (size_t j = 0; j < sizeof(T); ++j)
 				transposed[vertex_offset + j] = (unsigned char)(v >> (j * 8));

From 050dd14b0626578cbb35f92e28fdc4b93b363f71 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 18 Dec 2024 15:01:57 -0800
Subject: [PATCH 497/581] vertexcodec: Minor cleanup for rotations

- We don't really need to mask off the bit rotation; the out of range
  values are invalid and should never be encoded.

- We could replace switch/case using a macro similar to how we do the
  rest of the work for SIMD; this makes it possible to move the
  computation closer to where it's needed to avoid relying too much on
  compiler reordering.

- Validate the channel after estimation vs valid encoding range.
---
 src/vertexcodec.cpp | 39 +++++++++++++--------------------------
 1 file changed, 13 insertions(+), 26 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 5dc4096fd3..50219b25f3 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -762,7 +762,7 @@ static const unsigned char* decodeVertexBlock(const unsigned char* data, const u
 			decodeDeltas1<unsigned short, false>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k, 0);
 			break;
 		case 2:
-			decodeDeltas1<unsigned int, true>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k, (32 - ((channel >> 2) & 7)) & 31);
+			decodeDeltas1<unsigned int, true>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k, (32 - (channel >> 2)) & 31);
 			break;
 		default:
 			// invalid channel type
@@ -1495,6 +1495,8 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 #define SAVE(i) *reinterpret_cast<int*>(savep) = wasm_i32x4_extract_lane(t##i, 0), savep += vertex_size
 #endif
 
+#define UNZR(i) r##i = Channel == 0 ? unzigzag8(r##i) : (Channel == 1 ? unzigzag16(r##i) : rotate32(r##i, rot))
+
 	PREP();
 
 	unsigned char* savep = transposed;
@@ -1508,47 +1510,29 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 
 		transpose8(r0, r1, r2, r3);
 
-		switch (Channel)
-		{
-		case 0:
-			r0 = unzigzag8(r0);
-			r1 = unzigzag8(r1);
-			r2 = unzigzag8(r2);
-			r3 = unzigzag8(r3);
-			break;
-		case 1:
-			r0 = unzigzag16(r0);
-			r1 = unzigzag16(r1);
-			r2 = unzigzag16(r2);
-			r3 = unzigzag16(r3);
-			break;
-		case 2:
-			r0 = rotate32(r0, rot);
-			r1 = rotate32(r1, rot);
-			r2 = rotate32(r2, rot);
-			r3 = rotate32(r3, rot);
-			break;
-		default:;
-		}
-
 		TEMP t0, t1, t2, t3;
 
+		UNZR(0);
 		GRP4(0);
 		FIXD(0), FIXD(1), FIXD(2), FIXD(3);
 		SAVE(0), SAVE(1), SAVE(2), SAVE(3);
 
+		UNZR(1);
 		GRP4(1);
 		FIXD(0), FIXD(1), FIXD(2), FIXD(3);
 		SAVE(0), SAVE(1), SAVE(2), SAVE(3);
 
+		UNZR(2);
 		GRP4(2);
 		FIXD(0), FIXD(1), FIXD(2), FIXD(3);
 		SAVE(0), SAVE(1), SAVE(2), SAVE(3);
 
+		UNZR(3);
 		GRP4(3);
 		FIXD(0), FIXD(1), FIXD(2), FIXD(3);
 		SAVE(0), SAVE(1), SAVE(2), SAVE(3);
 
+#undef UNZR
 #undef TEMP
 #undef PREP
 #undef LOAD
@@ -1619,7 +1603,7 @@ static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, con
 			decodeDeltas4Simd<1>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k, 0);
 			break;
 		case 2:
-			decodeDeltas4Simd<2>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k, (32 - ((channel >> 2) & 7)) & 31);
+			decodeDeltas4Simd<2>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k, (32 - (channel >> 2)) & 31);
 			break;
 		default:
 			// invalid channel type
@@ -1687,7 +1671,10 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 		for (size_t k = 0; k < vertex_size; k += 4)
 		{
 			int rot = kEncodeMaxChannel >= 3 ? estimateRotate(vertex_data, vertex_count, vertex_size, k) : 0;
-			channels[k / 4] = (unsigned char)estimateChannel(vertex_data, vertex_count, vertex_size, k, kEncodeMaxChannel, rot);
+			int channel = estimateChannel(vertex_data, vertex_count, vertex_size, k, kEncodeMaxChannel, rot);
+
+			assert(unsigned(channel) < 2 || ((channel & 3) == 2 && unsigned(channel >> 2) < 8));
+			channels[k / 4] = (unsigned char)channel;
 		}
 
 	size_t vertex_block_size = getVertexBlockSize(vertex_size);

From 581e72838dae08dc0957552615cec3617a2f5f3f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 06:54:53 -0800
Subject: [PATCH 498/581] vertexcodec: Implement support for specifying
 compression level

While individual components of the encoder are going to be optimized
further, to ensure that control over encode time/size tradeoff is still
present, meshopt_encodeVertexBufferLevel can now choose compression
level. For v0 all levels are equivalent; for v1, currently:

- level 0 is closest to v0 and picks a single bitgroup layout (while
  still supporting zero channels as these are fast to reject)
- level 1 picks the best bitgroup layout but only uses byte deltas
- level 2 selects 1- or 2- byte deltas per channel, without XOR/rot
- level 3 selects XOR/rot per channel

These may change as performance characteristics of the encoder change.
---
 src/meshoptimizer.h |  9 +++++++++
 src/vertexcodec.cpp | 25 +++++++++++++++++--------
 2 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 77be5371fc..8e6a95de8e 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -277,6 +277,15 @@ MESHOPTIMIZER_API int meshopt_decodeIndexSequence(void* destination, size_t inde
 MESHOPTIMIZER_API size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, const void* vertices, size_t vertex_count, size_t vertex_size);
 MESHOPTIMIZER_API size_t meshopt_encodeVertexBufferBound(size_t vertex_count, size_t vertex_size);
 
+/**
+ * Experimental: Vertex buffer encoder
+ * Encodes vertex data just like meshopt_encodeVertexBuffer, but allows to specify compression level.
+ * For compression level to take effect, the vertex encoding version must be set to 1 via meshopt_encodeVertexVersion.
+ *
+ * level should be in the range [0, 3] with 0 being the fastest and 3 being the slowest and producing the best compression ratio.
+ */
+MESHOPTIMIZER_API size_t meshopt_encodeVertexBufferLevel(unsigned char* buffer, size_t buffer_size, const void* vertices, size_t vertex_count, size_t vertex_size, int level);
+
 /**
  * Set vertex encoder format version
  * version must specify the data format version to encode; valid values are 0 (decodable by all library versions)
diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 50219b25f3..0552e3a005 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -133,7 +133,7 @@ const size_t kTailMinSize = 32; // must be >= kByteGroupDecodeLimit
 static const int kBitsV0[4] = {0, 2, 4, 8};
 static const int kBitsV1[5] = {0, 1, 2, 4, 8};
 
-const int kEncodeMaxChannel = 3;
+const int kEncodeDefaultLevel = 2;
 
 static size_t getVertexBlockSize(size_t vertex_size)
 {
@@ -472,7 +472,7 @@ static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count
 	return best_channel == 2 ? best_channel | (xor_rot << 2) : best_channel;
 }
 
-static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data_end, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], const unsigned char* channels, int version)
+static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data_end, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], const unsigned char* channels, int version, int level)
 {
 	assert(vertex_count > 0 && vertex_count <= kVertexBlockMaxSize);
 	assert(vertex_size % 4 == 0);
@@ -526,7 +526,7 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 				best_ctrl = 2;
 				best_bytes = 0;
 			}
-			else
+			else if (level > 0)
 			{
 				// pick shortest control entry
 				for (int i = 0; i < 2; ++i)
@@ -540,6 +540,10 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 					}
 				}
 			}
+			else
+			{
+				best_ctrl = 1;
+			}
 
 			control[k / 4] |= best_ctrl << ((k % 4) * 2);
 
@@ -1636,7 +1640,7 @@ static unsigned int cpuid = getCpuFeatures();
 
 } // namespace meshopt
 
-size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, const void* vertices, size_t vertex_count, size_t vertex_size)
+size_t meshopt_encodeVertexBufferLevel(unsigned char* buffer, size_t buffer_size, const void* vertices, size_t vertex_count, size_t vertex_size, int level)
 {
 	using namespace meshopt;
 
@@ -1667,11 +1671,11 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 	memcpy(last_vertex, first_vertex, vertex_size);
 
 	unsigned char channels[64] = {};
-	if (version != 0)
+	if (version != 0 && level > 1)
 		for (size_t k = 0; k < vertex_size; k += 4)
 		{
-			int rot = kEncodeMaxChannel >= 3 ? estimateRotate(vertex_data, vertex_count, vertex_size, k) : 0;
-			int channel = estimateChannel(vertex_data, vertex_count, vertex_size, k, kEncodeMaxChannel, rot);
+			int rot = level >= 3 ? estimateRotate(vertex_data, vertex_count, vertex_size, k) : 0;
+			int channel = estimateChannel(vertex_data, vertex_count, vertex_size, k, level >= 3 ? 3 : 2, rot);
 
 			assert(unsigned(channel) < 2 || ((channel & 3) == 2 && unsigned(channel >> 2) < 8));
 			channels[k / 4] = (unsigned char)channel;
@@ -1685,7 +1689,7 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 	{
 		size_t block_size = (vertex_offset + vertex_block_size < vertex_count) ? vertex_block_size : vertex_count - vertex_offset;
 
-		data = encodeVertexBlock(data, data_end, vertex_data + vertex_offset * vertex_size, block_size, vertex_size, last_vertex, channels, version);
+		data = encodeVertexBlock(data, data_end, vertex_data + vertex_offset * vertex_size, block_size, vertex_size, last_vertex, channels, version, level);
 		if (!data)
 			return 0;
 
@@ -1767,6 +1771,11 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 	return data - buffer;
 }
 
+size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, const void* vertices, size_t vertex_count, size_t vertex_size)
+{
+	return meshopt_encodeVertexBufferLevel(buffer, buffer_size, vertices, vertex_count, vertex_size, meshopt::kEncodeDefaultLevel);
+}
+
 size_t meshopt_encodeVertexBufferBound(size_t vertex_count, size_t vertex_size)
 {
 	using namespace meshopt;

From 011b88f6f40a9daefc0c4c75aeb30a2e87fd0d97 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 07:00:57 -0800
Subject: [PATCH 499/581] demo: Add encoding for all levels to processDev

This will allow for easier performance tuning and comparison.
---
 demo/main.cpp  | 11 +++++++----
 demo/tests.cpp |  2 +-
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 9a9e4f1770..27dc8eb01d 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -824,7 +824,7 @@ void packVertex(const Mesh& mesh, const char* pvn)
 }
 
 template <typename PV>
-void encodeVertex(const Mesh& mesh, const char* pvn)
+void encodeVertex(const Mesh& mesh, const char* pvn, int level = 2)
 {
 	std::vector<PV> pv(mesh.vertices.size());
 	packMesh(pv, mesh.vertices);
@@ -835,7 +835,7 @@ void encodeVertex(const Mesh& mesh, const char* pvn)
 	double start = timestamp();
 
 	std::vector<unsigned char> vbuf(meshopt_encodeVertexBufferBound(mesh.vertices.size(), sizeof(PV)));
-	vbuf.resize(meshopt_encodeVertexBuffer(&vbuf[0], vbuf.size(), &pv[0], mesh.vertices.size(), sizeof(PV)));
+	vbuf.resize(meshopt_encodeVertexBufferLevel(&vbuf[0], vbuf.size(), &pv[0], mesh.vertices.size(), sizeof(PV), level));
 
 	double middle = timestamp();
 
@@ -1406,9 +1406,12 @@ void processDev(const char* path)
 	meshopt_optimizeVertexFetch(&copy.vertices[0], &copy.indices[0], copy.indices.size(), &copy.vertices[0], copy.vertices.size(), sizeof(Vertex));
 
 	meshopt_encodeVertexVersion(0);
-	encodeVertex<PackedVertex>(copy, "0");
+	encodeVertex<PackedVertex>(copy, "L");
 	meshopt_encodeVertexVersion(0xe);
-	encodeVertex<PackedVertex>(copy, "1");
+	encodeVertex<PackedVertex>(copy, "0", 0);
+	encodeVertex<PackedVertex>(copy, "1", 1);
+	encodeVertex<PackedVertex>(copy, "2", 2);
+	encodeVertex<PackedVertex>(copy, "3", 3);
 }
 
 void processNanite(const char* path)
diff --git a/demo/tests.cpp b/demo/tests.cpp
index ebb703309c..f47f2a6f67 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -518,7 +518,7 @@ static void decodeVertexBitXor()
 	}
 
 	std::vector<unsigned char> buffer(meshopt_encodeVertexBufferBound(16, 16));
-	buffer.resize(meshopt_encodeVertexBuffer(&buffer[0], buffer.size(), data, 16, 16));
+	buffer.resize(meshopt_encodeVertexBufferLevel(&buffer[0], buffer.size(), data, 16, 16, 2));
 
 	unsigned int decoded[16 * 4];
 	assert(meshopt_decodeVertexBuffer(decoded, 16, 16, &buffer[0], buffer.size()) == 0);

From 0f45dc81590f86bb8357a525a16cd8547d270d08 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 07:05:45 -0800
Subject: [PATCH 500/581] tools: Allow overriding default compression level in
 codectest

codectest -test -1 will select compression level 1; for now this only
works for file based testing and not for pipe mode which always uses
level 2 (default).
---
 tools/codectest.cpp | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/tools/codectest.cpp b/tools/codectest.cpp
index 874de13206..48d2f9e72a 100644
--- a/tools/codectest.cpp
+++ b/tools/codectest.cpp
@@ -55,7 +55,7 @@ struct Stats
 	double count;
 };
 
-void testFile(FILE* file, size_t count, size_t stride, Stats* stats = 0)
+void testFile(FILE* file, size_t count, size_t stride, int level, Stats* stats = 0)
 {
 	std::vector<unsigned char> input;
 	unsigned char buffer[4096];
@@ -81,7 +81,7 @@ void testFile(FILE* file, size_t count, size_t stride, Stats* stats = 0)
 
 	std::vector<unsigned char> output(meshopt_encodeVertexBufferBound(count, stride));
 	meshopt_encodeVertexVersion(0xe);
-	output.resize(meshopt_encodeVertexBuffer(output.data(), output.size(), decoded.data(), count, stride));
+	output.resize(meshopt_encodeVertexBufferLevel(output.data(), output.size(), decoded.data(), count, stride, level));
 	meshopt_encodeVertexVersion(0);
 
 	printf(" raw %zu KB\t", decoded.size() / 1024);
@@ -119,7 +119,7 @@ void testFile(FILE* file, size_t count, size_t stride, Stats* stats = 0)
 	}
 }
 
-void testFile(const char* path, Stats* stats = 0)
+void testFile(const char* path, int level, Stats* stats = 0)
 {
 	FILE* file = fopen(path, "rb");
 	if (!file)
@@ -144,7 +144,7 @@ void testFile(const char* path, Stats* stats = 0)
 	printf("%25.*s:", int(namel), name0);
 #endif
 
-	testFile(file, vcnt, vsz, stats);
+	testFile(file, vcnt, vsz, level, stats);
 	printf("\n");
 
 	fclose(file);
@@ -161,8 +161,11 @@ int main(int argc, char** argv)
 	{
 		Stats stats = {};
 		stats.testz = strcmp(argv[1], "-testz") == 0;
-		for (int i = 2; i < argc; ++i)
-			testFile(argv[i], &stats);
+		int level = -1;
+		if (argc > 2 && argv[2][0] == '-' && argv[2][1] >= '0' && argv[2][1] <= '9')
+			level = atoi(argv[2] + 1);
+		for (int i = level < 0 ? 2 : 3; i < argc; ++i)
+			testFile(argv[i], level < 0 ? 2 : level, &stats);
 		printf("---\n");
 		printf("%d files: raw v1/v0 %+.2f%%, lz4 v1/v0 %+.2f%%, zstd v1/v0 %+.2f%%\n",
 		    int(stats.count), stats.v10_raw / stats.count * 100, stats.v10_lz4 / stats.count * 100, stats.v10_zstd / stats.count * 100);

From 60b730ff5b935fd1e4f38c8428b0ee63c1739edd Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 07:32:31 -0800
Subject: [PATCH 501/581] vertexcodec: Use faster rotation estimation

Instead of bruteforcing all rotations and computing the xor-encoded
size, we can estimate the size without using encoding, and do this
analysis on groups of 16 deltas. For each group, we OR the deltas
together, which results in "1" bits whenever there's any inconsistency
within the group.

This is an estimate that is not always as good as the correct value, but
it's generally pretty close: if there is a significant bias towards
selecting a specific rotation, this algorithm will still find it, and do
so 10x faster.
---
 src/vertexcodec.cpp | 42 +++++++++++++++++++++++-------------------
 1 file changed, 23 insertions(+), 19 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 0552e3a005..0fc4704a4a 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -392,36 +392,40 @@ static void encodeDeltas(unsigned char* buffer, const unsigned char* vertex_data
 	}
 }
 
-static int estimateRotate(const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, size_t k)
+static int estimateBits(unsigned char v)
+{
+	return v <= 15 ? (v <= 3 ? (v == 0 ? 0 : 2) : 4) : 8;
+}
+
+static int estimateRotate(const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, size_t k, size_t group_size)
 {
 	if (vertex_count == 0)
 		return 0;
 
-	unsigned char block[kVertexBlockMaxSize];
-
-	unsigned char last_vertex[256] = {};
-	memcpy(last_vertex, vertex_data, vertex_size);
-
 	size_t sizes[8] = {};
 
-	const int* bits = kBitsV1 + 1;
+	const unsigned char* vertex = vertex_data + k;
+	unsigned int last = vertex[0] | (vertex[1] << 8) | (vertex[2] << 16) | (vertex[3] << 24);
 
-	for (size_t i = 0; i < vertex_count; i += kVertexBlockMaxSize)
+	for (size_t i = 0; i < vertex_count; i += group_size)
 	{
-		size_t block_size = i + kVertexBlockMaxSize < vertex_count ? kVertexBlockMaxSize : vertex_count - i;
-		size_t block_size_aligned = (block_size + kByteGroupSize - 1) & ~(kByteGroupSize - 1);
+		unsigned int bitg = 0;
 
-		// we sometimes encode elements we didn't fill when rounding to kByteGroupSize
-		memset(block, 0, block_size_aligned);
+		for (size_t j = 0; j < group_size && i + j < vertex_count; ++j)
+		{
+			unsigned int v = vertex[0] | (vertex[1] << 8) | (vertex[2] << 16) | (vertex[3] << 24);
+			unsigned int d = v ^ last;
 
-		for (int rot = 0; rot < 8; ++rot)
+			bitg |= d;
+			last = v;
+			vertex += vertex_size;
+		}
+
+		for (int j = 0; j < 8; ++j)
 		{
-			for (size_t j = 0; j < 4; ++j)
-			{
-				encodeDeltas(block, vertex_data + i * vertex_size, block_size, vertex_size, last_vertex, k + j, 2 | (rot << 2));
+			unsigned int bitr = rotate(bitg, j);
 
-				sizes[rot] += encodeBytesMeasure(block, block_size_aligned, bits);
-			}
+			sizes[j] += estimateBits(bitr >> 0) + estimateBits(bitr >> 8) + estimateBits(bitr >> 16) + estimateBits(bitr >> 24);
 		}
 	}
 
@@ -1674,7 +1678,7 @@ size_t meshopt_encodeVertexBufferLevel(unsigned char* buffer, size_t buffer_size
 	if (version != 0 && level > 1)
 		for (size_t k = 0; k < vertex_size; k += 4)
 		{
-			int rot = level >= 3 ? estimateRotate(vertex_data, vertex_count, vertex_size, k) : 0;
+			int rot = level >= 3 ? estimateRotate(vertex_data, vertex_count, vertex_size, k, 16) : 0;
 			int channel = estimateChannel(vertex_data, vertex_count, vertex_size, k, level >= 3 ? 3 : 2, rot);
 
 			assert(unsigned(channel) < 2 || ((channel & 3) == 2 && unsigned(channel >> 2) < 8));

From 701a1943140a7e15debff7fc6dcf960a89448024 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 07:48:20 -0800
Subject: [PATCH 502/581] vertexcodec: Extract estimateControl into a separate
 function

This centralizes the estimation overhead and makes it easier to profile
and understand the code.

Also, instead of guarding against vertex count in estimate*, move that
to the call site.
---
 src/vertexcodec.cpp | 85 ++++++++++++++++++++++-----------------------
 1 file changed, 41 insertions(+), 44 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 0fc4704a4a..74e2b07971 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -399,9 +399,6 @@ static int estimateBits(unsigned char v)
 
 static int estimateRotate(const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, size_t k, size_t group_size)
 {
-	if (vertex_count == 0)
-		return 0;
-
 	size_t sizes[8] = {};
 
 	const unsigned char* vertex = vertex_data + k;
@@ -438,9 +435,6 @@ static int estimateRotate(const unsigned char* vertex_data, size_t vertex_count,
 
 static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, size_t k, int max_channel, int xor_rot)
 {
-	if (vertex_count == 0 || max_channel <= 1)
-		return 0;
-
 	unsigned char block[kVertexBlockMaxSize];
 
 	unsigned char last_vertex[256] = {};
@@ -476,6 +470,39 @@ static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count
 	return best_channel == 2 ? best_channel | (xor_rot << 2) : best_channel;
 }
 
+static int estimateControl(const unsigned char* buffer, size_t vertex_count, size_t vertex_count_aligned, int level)
+{
+	int best_ctrl = 3; // literal encoding
+	size_t best_bytes = vertex_count;
+
+	if (canEncodeZero(buffer, vertex_count))
+	{
+		// zero encoding
+		best_ctrl = 2;
+		best_bytes = 0;
+	}
+	else if (level > 0)
+	{
+		// pick shortest control entry
+		for (int i = 0; i < 2; ++i)
+		{
+			size_t est_bytes = encodeBytesMeasure(buffer, vertex_count_aligned, kBitsV1 + i);
+
+			if (est_bytes < best_bytes)
+			{
+				best_ctrl = i;
+				best_bytes = est_bytes;
+			}
+		}
+	}
+	else
+	{
+		best_ctrl = 1;
+	}
+
+	return best_ctrl;
+}
+
 static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data_end, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], const unsigned char* channels, int version, int level)
 {
 	assert(vertex_count > 0 && vertex_count <= kVertexBlockMaxSize);
@@ -519,43 +546,16 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 		}
 #endif
 
-		if (version == 0xe)
+		if (version != 0)
 		{
-			int best_ctrl = 3; // literal encoding
-			size_t best_bytes = vertex_count;
-
-			if (canEncodeZero(buffer, vertex_count))
-			{
-				// zero encoding
-				best_ctrl = 2;
-				best_bytes = 0;
-			}
-			else if (level > 0)
-			{
-				// pick shortest control entry
-				for (int i = 0; i < 2; ++i)
-				{
-					size_t est_bytes = encodeBytesMeasure(buffer, vertex_count_aligned, kBitsV1 + i);
-
-					if (est_bytes < best_bytes)
-					{
-						best_ctrl = i;
-						best_bytes = est_bytes;
-					}
-				}
-			}
-			else
-			{
-				best_ctrl = 1;
-			}
-
-			control[k / 4] |= best_ctrl << ((k % 4) * 2);
+			int ctrl = estimateControl(buffer, vertex_count, vertex_count_aligned, level);
+			control[k / 4] |= ctrl << ((k % 4) * 2);
 
 #if TRACE
 			vertexstats[k].ctrl[best_ctrl]++;
 #endif
 
-			if (best_ctrl == 3)
+			if (ctrl == 3)
 			{
 				// literal encoding
 				if (size_t(data_end - data) < vertex_count)
@@ -564,14 +564,11 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 				memcpy(data, buffer, vertex_count);
 				data += vertex_count;
 			}
-			else if (best_ctrl != 2)
+			else if (ctrl != 2) // non-zero encoding
 			{
-				unsigned char* next = encodeBytes(data, data_end, buffer, vertex_count_aligned, kBitsV1 + best_ctrl);
-				if (!next)
+				data = encodeBytes(data, data_end, buffer, vertex_count_aligned, kBitsV1 + ctrl);
+				if (!data)
 					return NULL;
-
-				assert(data + best_bytes == next);
-				data = next;
 			}
 		}
 		else
@@ -1675,7 +1672,7 @@ size_t meshopt_encodeVertexBufferLevel(unsigned char* buffer, size_t buffer_size
 	memcpy(last_vertex, first_vertex, vertex_size);
 
 	unsigned char channels[64] = {};
-	if (version != 0 && level > 1)
+	if (version != 0 && level > 1 && vertex_count > 1)
 		for (size_t k = 0; k < vertex_size; k += 4)
 		{
 			int rot = level >= 3 ? estimateRotate(vertex_data, vertex_count, vertex_size, k, 16) : 0;

From 3fd601bc64e4de92b798c900389dbeff146b8638 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 08:20:40 -0800
Subject: [PATCH 503/581] vertexcodec: Minor further improvement to
 estimateRotate

We do not need to analyze groups that have all bits in equally
consistent state; a branch here ends up being slightly beneficial on
average.
---
 src/vertexcodec.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 74e2b07971..84e78234af 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -408,6 +408,7 @@ static int estimateRotate(const unsigned char* vertex_data, size_t vertex_count,
 	{
 		unsigned int bitg = 0;
 
+		// calculate bit consistency mask for the group
 		for (size_t j = 0; j < group_size && i + j < vertex_count; ++j)
 		{
 			unsigned int v = vertex[0] | (vertex[1] << 8) | (vertex[2] << 16) | (vertex[3] << 24);
@@ -418,6 +419,10 @@ static int estimateRotate(const unsigned char* vertex_data, size_t vertex_count,
 			vertex += vertex_size;
 		}
 
+		// ignore trivial groups for performance
+		if (bitg == 0 || bitg == ~0u)
+			continue;
+
 		for (int j = 0; j < 8; ++j)
 		{
 			unsigned int bitr = rotate(bitg, j);

From 681f6b1de67e6c589b2162d1ad88994fba007c7a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 09:51:17 -0800
Subject: [PATCH 504/581] vertexcodec: Optimize estimateControl by reusing
 measurements

Instead of calling a generic encodeBytesMeasure twice, we can note that
it redundantly recomputes almost all of the information: in v1, bits
1/2/4 are available to both control modes, so we just need to compute 0
and 8 sizes - of which, 8 is a constant size. So we can compute the
sizes for both streams in parallel.

Doing this preserves the bitstream exactly, but results in ~20% faster
encoding at level 1.
---
 src/vertexcodec.cpp | 46 ++++++++++++++++++++++++++++-----------------
 1 file changed, 29 insertions(+), 17 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 84e78234af..de379d22da 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -477,35 +477,47 @@ static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count
 
 static int estimateControl(const unsigned char* buffer, size_t vertex_count, size_t vertex_count_aligned, int level)
 {
-	int best_ctrl = 3; // literal encoding
-	size_t best_bytes = vertex_count;
-
 	if (canEncodeZero(buffer, vertex_count))
 	{
 		// zero encoding
-		best_ctrl = 2;
-		best_bytes = 0;
+		return 2;
 	}
 	else if (level > 0)
 	{
-		// pick shortest control entry
-		for (int i = 0; i < 2; ++i)
-		{
-			size_t est_bytes = encodeBytesMeasure(buffer, vertex_count_aligned, kBitsV1 + i);
+		// round number of groups to 4 to get number of header bytes
+		size_t header_size = (vertex_count_aligned / kByteGroupSize + 3) / 4;
 
-			if (est_bytes < best_bytes)
-			{
-				best_ctrl = i;
-				best_bytes = est_bytes;
-			}
+		size_t est_bytes0 = header_size, est_bytes1 = header_size;
+
+		for (size_t i = 0; i < vertex_count_aligned; i += kByteGroupSize)
+		{
+			// assumes kBitsV1[] = {0, 1, 2, 4, 8} for performance
+			size_t size0 = encodeBytesGroupMeasure(buffer + i, 0);
+			size_t size1 = encodeBytesGroupMeasure(buffer + i, 1);
+			size_t size2 = encodeBytesGroupMeasure(buffer + i, 2);
+			size_t size4 = encodeBytesGroupMeasure(buffer + i, 4);
+			size_t size8 = encodeBytesGroupMeasure(buffer + i, 8);
+
+			// both control modes have access to 1/2/4 bit encoding
+			size_t size12 = size1 < size2 ? size1 : size2;
+			size_t size124 = size12 < size4 ? size12 : size4;
+
+			// each control mode has access to 0/8 bit encoding respectively
+			est_bytes0 += size124 < size0 ? size124 : size0;
+			est_bytes1 += size124 < size8 ? size124 : size8;
 		}
+
+		// pick shortest control entry but prefer literal encoding
+		if (est_bytes0 < vertex_count || est_bytes1 < vertex_count)
+			return est_bytes0 < est_bytes1 ? 0 : 1;
+		else
+			return 3;
 	}
 	else
 	{
-		best_ctrl = 1;
+		// 1248 encoding
+		return 1;
 	}
-
-	return best_ctrl;
 }
 
 static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data_end, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], const unsigned char* channels, int version, int level)

From 4f418b43ed46a822b3f04726983243d8bfa5cbd8 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 10:01:17 -0800
Subject: [PATCH 505/581] vertexcodec: Use branchless append in
 encodeBytesGroup

The sentinel branch is difficult to predict; since we have enough space
to encode all bytes as sentinels due to decode limit padding, it is safe
to append every byte unconditionally and move the pointer for out of
range values. This accelerates all levels of encoding further, up to 30%
for levels 0 and 1.

Also rework encodeBytes flow to call the function just once; this mostly
just makes sure the compiler can inline it without issues, as otherwise
the function is too large to be inlined into two separate paths.
---
 src/vertexcodec.cpp | 42 ++++++++++++++++++++----------------------
 1 file changed, 20 insertions(+), 22 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index de379d22da..00920d05d0 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -259,10 +259,11 @@ static unsigned char* encodeBytesGroup(unsigned char* data, const unsigned char*
 
 	for (size_t i = 0; i < kByteGroupSize; ++i)
 	{
-		if (buffer[i] >= sentinel)
-		{
-			*data++ = buffer[i];
-		}
+		unsigned char v = buffer[i];
+
+		// branchless append of out-of-range values
+		*data = v;
+		data += v >= sentinel;
 	}
 
 	return data;
@@ -563,34 +564,31 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 		}
 #endif
 
+		int ctrl = 0;
+
 		if (version != 0)
 		{
-			int ctrl = estimateControl(buffer, vertex_count, vertex_count_aligned, level);
+			ctrl = estimateControl(buffer, vertex_count, vertex_count_aligned, level);
+			assert(unsigned(ctrl) < 4);
 			control[k / 4] |= ctrl << ((k % 4) * 2);
+		}
 
 #if TRACE
-			vertexstats[k].ctrl[best_ctrl]++;
+		vertexstats[k].ctrl[ctrl]++;
 #endif
 
-			if (ctrl == 3)
-			{
-				// literal encoding
-				if (size_t(data_end - data) < vertex_count)
-					return NULL;
+		if (ctrl == 3)
+		{
+			// literal encoding
+			if (size_t(data_end - data) < vertex_count)
+				return NULL;
 
-				memcpy(data, buffer, vertex_count);
-				data += vertex_count;
-			}
-			else if (ctrl != 2) // non-zero encoding
-			{
-				data = encodeBytes(data, data_end, buffer, vertex_count_aligned, kBitsV1 + ctrl);
-				if (!data)
-					return NULL;
-			}
+			memcpy(data, buffer, vertex_count);
+			data += vertex_count;
 		}
-		else
+		else if (ctrl != 2) // non-zero encoding
 		{
-			data = encodeBytes(data, data_end, buffer, vertex_count_aligned, kBitsV0);
+			data = encodeBytes(data, data_end, buffer, vertex_count_aligned, version == 0 ? kBitsV0 : kBitsV1 + ctrl);
 			if (!data)
 				return NULL;
 		}

From d57004ef5fe4c485f2d21b0e697a99c0db1137a3 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 10:02:47 -0800
Subject: [PATCH 506/581] vertexcodec: Clean up decode table for AVX512

Since we can't address this table using implicit address math in either
layout based on hbits, we might as well use a shorter and more readable
layout where shifts and sentinels go together.
---
 src/vertexcodec.cpp | 34 +++++++++++-----------------------
 1 file changed, 11 insertions(+), 23 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 00920d05d0..14d5014418 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -974,27 +974,15 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 #endif
 
 #ifdef SIMD_AVX
-static const __m128i decodeBytesGroupConfig[2][8] = {
-    {
-        _mm_setzero_si128(),
-        _mm_set1_epi8(3),
-        _mm_set1_epi8(15),
-        _mm_setzero_si128(),
-        _mm_setzero_si128(),
-        _mm_set1_epi8(1),
-        _mm_set1_epi8(3),
-        _mm_set1_epi8(15),
-    },
-    {
-        _mm_setzero_si128(),
-        _mm_setr_epi8(6, 4, 2, 0, 14, 12, 10, 8, 22, 20, 18, 16, 30, 28, 26, 24),
-        _mm_setr_epi8(4, 0, 12, 8, 20, 16, 28, 24, 36, 32, 44, 40, 52, 48, 60, 56),
-        _mm_setzero_si128(),
-        _mm_setzero_si128(),
-        _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
-        _mm_setr_epi8(6, 4, 2, 0, 14, 12, 10, 8, 22, 20, 18, 16, 30, 28, 26, 24),
-        _mm_setr_epi8(4, 0, 12, 8, 20, 16, 28, 24, 36, 32, 44, 40, 52, 48, 60, 56),
-    },
+static const __m128i kDecodeBytesGroupConfig[8][2] = {
+    {_mm_setzero_si128(), _mm_setzero_si128()},
+    {_mm_set1_epi8(3), _mm_setr_epi8(6, 4, 2, 0, 14, 12, 10, 8, 22, 20, 18, 16, 30, 28, 26, 24)},
+    {_mm_set1_epi8(15), _mm_setr_epi8(4, 0, 12, 8, 20, 16, 28, 24, 36, 32, 44, 40, 52, 48, 60, 56)},
+    {_mm_setzero_si128(), _mm_setzero_si128()},
+    {_mm_setzero_si128(), _mm_setzero_si128()},
+    {_mm_set1_epi8(1), _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)},
+    {_mm_set1_epi8(3), _mm_setr_epi8(6, 4, 2, 0, 14, 12, 10, 8, 22, 20, 18, 16, 30, 28, 26, 24)},
+    {_mm_set1_epi8(15), _mm_setr_epi8(4, 0, 12, 8, 20, 16, 28, 24, 36, 32, 44, 40, 52, 48, 60, 56)},
 };
 
 SIMD_TARGET
@@ -1023,8 +1011,8 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		__m128i selb = _mm_loadl_epi64(reinterpret_cast<const __m128i*>(data));
 		__m128i rest = _mm_loadu_si128(reinterpret_cast<const __m128i*>(skip));
 
-		__m128i sent = decodeBytesGroupConfig[0][hbits];
-		__m128i ctrl = decodeBytesGroupConfig[1][hbits];
+		__m128i sent = kDecodeBytesGroupConfig[hbits][0];
+		__m128i ctrl = kDecodeBytesGroupConfig[hbits][1];
 
 		__m128i selw = _mm_shuffle_epi32(selb, 0x44);
 		__m128i sel = _mm_and_si128(sent, _mm_multishift_epi64_epi8(ctrl, selw));

From aefb86916654d62aa49f15793068162d784c1801 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 10:05:06 -0800
Subject: [PATCH 507/581] demo: Use explicit levels for new decodeVertex tests

Deltas requires level 2; while this is currently the default, it's
better to be explicit to avoid losing coverage.

BitXor requires level 3; the previously specified level was incorrect so
the code was not exercised properly.

Also adjust BitXor to select xor for two last channels instead of just
one.
---
 demo/tests.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index f47f2a6f67..1e4f8bf9bb 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -497,7 +497,7 @@ static void decodeVertexDeltas()
 	}
 
 	std::vector<unsigned char> buffer(meshopt_encodeVertexBufferBound(16, 8));
-	buffer.resize(meshopt_encodeVertexBuffer(&buffer[0], buffer.size(), data, 16, 8));
+	buffer.resize(meshopt_encodeVertexBufferLevel(&buffer[0], buffer.size(), data, 16, 8, 2));
 
 	unsigned short decoded[16 * 4];
 	assert(meshopt_decodeVertexBuffer(decoded, 16, 8, &buffer[0], buffer.size()) == 0);
@@ -513,12 +513,12 @@ static void decodeVertexBitXor()
 	{
 		data[i * 4 + 0] = unsigned(i << 0);
 		data[i * 4 + 1] = unsigned(i << 2);
-		data[i * 4 + 2] = unsigned(i << 17);
+		data[i * 4 + 2] = unsigned(i << 15);
 		data[i * 4 + 3] = unsigned(i << 28);
 	}
 
 	std::vector<unsigned char> buffer(meshopt_encodeVertexBufferBound(16, 16));
-	buffer.resize(meshopt_encodeVertexBufferLevel(&buffer[0], buffer.size(), data, 16, 16, 2));
+	buffer.resize(meshopt_encodeVertexBufferLevel(&buffer[0], buffer.size(), data, 16, 16, 3));
 
 	unsigned int decoded[16 * 4];
 	assert(meshopt_decodeVertexBuffer(decoded, 16, 16, &buffer[0], buffer.size()) == 0);

From 8bdd4310ea47e1cc655f0c02b79ced9a5d3f7d58 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 10:18:43 -0800
Subject: [PATCH 508/581] vertexcodec: Move rotation to the high 4 bits

This is the same wrt the encoding in practice, but this is somewhat
cleaner for potential future expansions of channel encoding, as it
leaves the full 4 lower bits to store additional modes.
---
 src/vertexcodec.cpp | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 14d5014418..0355aef2e5 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -387,7 +387,7 @@ static void encodeDeltas(unsigned char* buffer, const unsigned char* vertex_data
 	case 1:
 		return encodeDeltas1<unsigned short, false>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k, 0);
 	case 2:
-		return encodeDeltas1<unsigned int, true>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k, channel >> 2);
+		return encodeDeltas1<unsigned int, true>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k, channel >> 4);
 	default:
 		assert(!"Unsupported channel encoding");
 	}
@@ -462,7 +462,7 @@ static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count
 		{
 			for (size_t j = 0; j < 4; ++j)
 			{
-				encodeDeltas(block, vertex_data + i * vertex_size, block_size, vertex_size, last_vertex, k + j, channel | (xor_rot << 2));
+				encodeDeltas(block, vertex_data + i * vertex_size, block_size, vertex_size, last_vertex, k + j, channel | (xor_rot << 4));
 
 				sizes[channel] += encodeBytesMeasure(block, block_size_aligned, bits);
 			}
@@ -473,7 +473,7 @@ static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count
 	for (int channel = 1; channel < max_channel; ++channel)
 		best_channel = (sizes[channel] < sizes[best_channel]) ? channel : best_channel;
 
-	return best_channel == 2 ? best_channel | (xor_rot << 2) : best_channel;
+	return best_channel == 2 ? best_channel | (xor_rot << 4) : best_channel;
 }
 
 static int estimateControl(const unsigned char* buffer, size_t vertex_count, size_t vertex_count_aligned, int level)
@@ -782,7 +782,7 @@ static const unsigned char* decodeVertexBlock(const unsigned char* data, const u
 			decodeDeltas1<unsigned short, false>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k, 0);
 			break;
 		case 2:
-			decodeDeltas1<unsigned int, true>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k, (32 - (channel >> 2)) & 31);
+			decodeDeltas1<unsigned int, true>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k, (32 - (channel >> 4)) & 31);
 			break;
 		default:
 			// invalid channel type
@@ -1611,7 +1611,7 @@ static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, con
 			decodeDeltas4Simd<1>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k, 0);
 			break;
 		case 2:
-			decodeDeltas4Simd<2>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k, (32 - (channel >> 2)) & 31);
+			decodeDeltas4Simd<2>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k, (32 - (channel >> 4)) & 31);
 			break;
 		default:
 			// invalid channel type
@@ -1681,7 +1681,7 @@ size_t meshopt_encodeVertexBufferLevel(unsigned char* buffer, size_t buffer_size
 			int rot = level >= 3 ? estimateRotate(vertex_data, vertex_count, vertex_size, k, 16) : 0;
 			int channel = estimateChannel(vertex_data, vertex_count, vertex_size, k, level >= 3 ? 3 : 2, rot);
 
-			assert(unsigned(channel) < 2 || ((channel & 3) == 2 && unsigned(channel >> 2) < 8));
+			assert(unsigned(channel) < 2 || ((channel & 3) == 2 && unsigned(channel >> 4) < 8));
 			channels[k / 4] = (unsigned char)channel;
 		}
 
@@ -1741,7 +1741,7 @@ size_t meshopt_encodeVertexBufferLevel(unsigned char* buffer, size_t buffer_size
 			int channel = channels[k / 4];
 
 			if ((channel & 3) == 2 && k % 4 == 0)
-				printf(" | ^%d", channel >> 2);
+				printf(" | ^%d", channel >> 4);
 			else
 				printf(" | %2s", channel == 0 ? "1" : (channel == 1 && k % 2 == 0 ? "2" : "."));
 		}

From 21f749546a3731f07859b1669ca8cad2ba97586b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 10:20:13 -0800
Subject: [PATCH 509/581] tools: Expand codecfuzz roundtrip testing to cover
 new version

We test all 4 levels for the new version to check no level has encoding
issues.
---
 tools/codecfuzz.cpp | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/tools/codecfuzz.cpp b/tools/codecfuzz.cpp
index 961248b5f3..2e2c89489a 100644
--- a/tools/codecfuzz.cpp
+++ b/tools/codecfuzz.cpp
@@ -17,7 +17,7 @@ void fuzzDecoder(const uint8_t* data, size_t size, size_t stride, int (*decode)(
 	free(destination);
 }
 
-void fuzzRoundtrip(const uint8_t* data, size_t size, size_t stride)
+void fuzzRoundtrip(const uint8_t* data, size_t size, size_t stride, int level)
 {
 	size_t count = size / stride;
 
@@ -26,7 +26,7 @@ void fuzzRoundtrip(const uint8_t* data, size_t size, size_t stride)
 	void* decoded = malloc(count * stride);
 	assert(encoded && decoded);
 
-	size_t res = meshopt_encodeVertexBuffer(static_cast<unsigned char*>(encoded), bound, data, count, stride);
+	size_t res = meshopt_encodeVertexBufferLevel(static_cast<unsigned char*>(encoded), bound, data, count, stride, level);
 	assert(res <= bound);
 
 	int rc = meshopt_decodeVertexBuffer(decoded, count, stride, static_cast<unsigned char*>(encoded), res);
@@ -56,10 +56,23 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
 	fuzzDecoder(data, size, 32, meshopt_decodeVertexBuffer);
 
 	// encodeVertexBuffer/decodeVertexBuffer should roundtrip for any stride, check a few with different alignment mod 16
-	fuzzRoundtrip(data, size, 4);
-	fuzzRoundtrip(data, size, 16);
-	fuzzRoundtrip(data, size, 24);
-	fuzzRoundtrip(data, size, 32);
+	fuzzRoundtrip(data, size, 4, 0);
+	fuzzRoundtrip(data, size, 16, 0);
+	fuzzRoundtrip(data, size, 24, 0);
+	fuzzRoundtrip(data, size, 32, 0);
+
+	// repeat roundtrip testing for new encoding
+	meshopt_encodeVertexVersion(0xe);
+
+	for (int level = 0; level < 4; ++level)
+	{
+		fuzzRoundtrip(data, size, 4, level);
+		fuzzRoundtrip(data, size, 16, level);
+		fuzzRoundtrip(data, size, 24, level);
+		fuzzRoundtrip(data, size, 32, level);
+	}
+
+	meshopt_encodeVertexVersion(0);
 
 	return 0;
 }

From d74f96d86cb8e72c4818f29be3a3bb639ced4835 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 10:30:03 -0800
Subject: [PATCH 510/581] vertexcodec: Fix MSVC warnings

estimateBits takes unsigned char so we need to explicitly truncate to
silence.
---
 src/vertexcodec.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 0355aef2e5..ee336ead3f 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -428,7 +428,7 @@ static int estimateRotate(const unsigned char* vertex_data, size_t vertex_count,
 		{
 			unsigned int bitr = rotate(bitg, j);
 
-			sizes[j] += estimateBits(bitr >> 0) + estimateBits(bitr >> 8) + estimateBits(bitr >> 16) + estimateBits(bitr >> 24);
+			sizes[j] += estimateBits((unsigned char)(bitr >> 0)) + estimateBits((unsigned char)(bitr >> 8)) + estimateBits((unsigned char)(bitr >> 16)) + estimateBits((unsigned char)(bitr >> 24));
 		}
 	}
 

From 36366ca4c933e66251b62f394e14b65ea6f8f770 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 13:14:39 -0800
Subject: [PATCH 511/581] vertexcodec: Inline encodeBytesMeasure into
 estimateChannel

After previous changes, encodeBytesMeasure is no longer used by any
other function than estimateChannel. Inlining the function into
estimateChannel allows us to simplify the code, and improves
optimizations as an explicit measure is faster vs table selection in
practice. This also allows us to drop one of the bit group modes to gain
extra performance in the future.

In addition we also fix last_vertex handling (this was incorrectly using
the first vertex for all blocks instead of last vertex of the previous
block) and reduce memset overhead by limiting it to the last (partial)
block.
---
 src/vertexcodec.cpp | 53 +++++++++++++++++----------------------------
 1 file changed, 20 insertions(+), 33 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index ee336ead3f..494ea04244 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -329,32 +329,6 @@ static unsigned char* encodeBytes(unsigned char* data, unsigned char* data_end,
 	return data;
 }
 
-static size_t encodeBytesMeasure(const unsigned char* buffer, size_t buffer_size, const int bits[4])
-{
-	assert(buffer_size % kByteGroupSize == 0);
-
-	size_t result = 0;
-
-	// round number of groups to 4 to get number of header bytes
-	size_t header_size = (buffer_size / kByteGroupSize + 3) / 4;
-	result += header_size;
-
-	for (size_t i = 0; i < buffer_size; i += kByteGroupSize)
-	{
-		size_t best_size = size_t(-1);
-
-		for (int bitk = 0; bitk < 4; ++bitk)
-		{
-			size_t size = encodeBytesGroupMeasure(buffer + i, bits[bitk]);
-			best_size = (size < best_size) ? size : best_size;
-		}
-
-		result += best_size;
-	}
-
-	return result;
-}
-
 template <typename T, bool Xor>
 static void encodeDeltas1(unsigned char* buffer, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, const unsigned char last_vertex[256], size_t k, int rot)
 {
@@ -446,9 +420,8 @@ static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count
 	unsigned char last_vertex[256] = {};
 	memcpy(last_vertex, vertex_data, vertex_size);
 
-	size_t sizes[4] = {};
-
-	const int* bits = kBitsV1 + 1;
+	size_t sizes[3] = {};
+	assert(max_channel <= 3);
 
 	for (size_t i = 0; i < vertex_count; i += kVertexBlockMaxSize)
 	{
@@ -456,17 +429,31 @@ static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count
 		size_t block_size_aligned = (block_size + kByteGroupSize - 1) & ~(kByteGroupSize - 1);
 
 		// we sometimes encode elements we didn't fill when rounding to kByteGroupSize
-		memset(block, 0, block_size_aligned);
+		if (block_size < block_size_aligned)
+			memset(block + block_size, 0, block_size_aligned - block_size);
 
 		for (int channel = 0; channel < max_channel; ++channel)
-		{
 			for (size_t j = 0; j < 4; ++j)
 			{
 				encodeDeltas(block, vertex_data + i * vertex_size, block_size, vertex_size, last_vertex, k + j, channel | (xor_rot << 4));
 
-				sizes[channel] += encodeBytesMeasure(block, block_size_aligned, bits);
+				for (size_t ig = 0; ig < block_size; ig += kByteGroupSize)
+				{
+					// to maximize encoding performance we only evaluate 1/2/4/8 bit groups
+					size_t size1 = encodeBytesGroupMeasure(block + ig, 1);
+					size_t size2 = encodeBytesGroupMeasure(block + ig, 2);
+					size_t size4 = encodeBytesGroupMeasure(block + ig, 4);
+					size_t size8 = encodeBytesGroupMeasure(block + ig, 8);
+
+					size_t best_size = size1 < size2 ? size1 : size2;
+					best_size = best_size < size4 ? best_size : size4;
+					best_size = best_size < size8 ? best_size : size8;
+
+					sizes[channel] += best_size;
+				}
 			}
-		}
+
+		memcpy(last_vertex, vertex_data + (i + block_size - 1) * vertex_size, vertex_size);
 	}
 
 	int best_channel = 0;

From d5380d9aad9dd4a521041e8d42d8e8c70db94328 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 14:57:31 -0800
Subject: [PATCH 512/581] vertexcodec: Accelerate channel estimation via block
 skipping

Instead of analyzing every block we could look at a subset of blocks and
assume that the statistics of data in different blocks is reasonably
close. This is a little brute-force, but gets almost the same
compression results on a variety of files, so for now we can do this
unconditionally at every level, which significantly increases the
encoding throughput of levels 2 and 3.
---
 src/vertexcodec.cpp | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 494ea04244..1f5b26d231 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -413,21 +413,23 @@ static int estimateRotate(const unsigned char* vertex_data, size_t vertex_count,
 	return best_rot;
 }
 
-static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, size_t k, int max_channel, int xor_rot)
+static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, size_t k, size_t vertex_block_size, size_t block_skip, int max_channel, int xor_rot)
 {
 	unsigned char block[kVertexBlockMaxSize];
+	assert(vertex_block_size <= kVertexBlockMaxSize);
 
 	unsigned char last_vertex[256] = {};
-	memcpy(last_vertex, vertex_data, vertex_size);
 
 	size_t sizes[3] = {};
 	assert(max_channel <= 3);
 
-	for (size_t i = 0; i < vertex_count; i += kVertexBlockMaxSize)
+	for (size_t i = 0; i < vertex_count; i += vertex_block_size * block_skip)
 	{
-		size_t block_size = i + kVertexBlockMaxSize < vertex_count ? kVertexBlockMaxSize : vertex_count - i;
+		size_t block_size = i + vertex_block_size < vertex_count ? vertex_block_size : vertex_count - i;
 		size_t block_size_aligned = (block_size + kByteGroupSize - 1) & ~(kByteGroupSize - 1);
 
+		memcpy(last_vertex, vertex_data + (i == 0 ? 0 : i - 1) * vertex_size, vertex_size);
+
 		// we sometimes encode elements we didn't fill when rounding to kByteGroupSize
 		if (block_size < block_size_aligned)
 			memset(block + block_size, 0, block_size_aligned - block_size);
@@ -452,8 +454,6 @@ static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count
 					sizes[channel] += best_size;
 				}
 			}
-
-		memcpy(last_vertex, vertex_data + (i + block_size - 1) * vertex_size, vertex_size);
 	}
 
 	int best_channel = 0;
@@ -1661,19 +1661,19 @@ size_t meshopt_encodeVertexBufferLevel(unsigned char* buffer, size_t buffer_size
 	unsigned char last_vertex[256] = {};
 	memcpy(last_vertex, first_vertex, vertex_size);
 
+	size_t vertex_block_size = getVertexBlockSize(vertex_size);
+
 	unsigned char channels[64] = {};
 	if (version != 0 && level > 1 && vertex_count > 1)
 		for (size_t k = 0; k < vertex_size; k += 4)
 		{
-			int rot = level >= 3 ? estimateRotate(vertex_data, vertex_count, vertex_size, k, 16) : 0;
-			int channel = estimateChannel(vertex_data, vertex_count, vertex_size, k, level >= 3 ? 3 : 2, rot);
+			int rot = level >= 3 ? estimateRotate(vertex_data, vertex_count, vertex_size, k, /* group_size= */ 16) : 0;
+			int channel = estimateChannel(vertex_data, vertex_count, vertex_size, k, vertex_block_size, /* block_skip= */ 3, /* max_channels= */ level >= 3 ? 3 : 2, rot);
 
 			assert(unsigned(channel) < 2 || ((channel & 3) == 2 && unsigned(channel >> 4) < 8));
 			channels[k / 4] = (unsigned char)channel;
 		}
 
-	size_t vertex_block_size = getVertexBlockSize(vertex_size);
-
 	size_t vertex_offset = 0;
 
 	while (vertex_offset < vertex_count)

From c9c4869ed8b40b437eabf2574e92dfebec70bd25 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 19 Dec 2024 18:11:46 -0800
Subject: [PATCH 513/581] vertexcodec: Add an assertion guarding level range

Makes sure level is not negative and the usage doesn't contain mistakes
such as passing vertex_size as a level instead. We allow 0..9 range to
allow for possible future expansion of the current 0..3 range.
---
 src/meshoptimizer.h | 3 ++-
 src/vertexcodec.cpp | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 8e6a95de8e..6243947cfc 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -279,8 +279,9 @@ MESHOPTIMIZER_API size_t meshopt_encodeVertexBufferBound(size_t vertex_count, si
 
 /**
  * Experimental: Vertex buffer encoder
- * Encodes vertex data just like meshopt_encodeVertexBuffer, but allows to specify compression level.
+ * Encodes vertex data just like meshopt_encodeVertexBuffer, but allows to override compression level.
  * For compression level to take effect, the vertex encoding version must be set to 1 via meshopt_encodeVertexVersion.
+ * The default compression level implied by meshopt_encodeVertexBuffer is 2.
  *
  * level should be in the range [0, 3] with 0 being the fastest and 3 being the slowest and producing the best compression ratio.
  */
diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 1f5b26d231..1990fa29cf 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1637,6 +1637,7 @@ size_t meshopt_encodeVertexBufferLevel(unsigned char* buffer, size_t buffer_size
 
 	assert(vertex_size > 0 && vertex_size <= 256);
 	assert(vertex_size % 4 == 0);
+	assert(level >= 0 && level <= 9); // only a subset of this range is used right now
 
 #if TRACE
 	memset(vertexstats, 0, sizeof(vertexstats));

From f5404c393283b81adb06aff8d5a8954c635e75db Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 20 Dec 2024 08:58:36 -0800
Subject: [PATCH 514/581] vertexcodec: Use generic zigzag() to match unzigzag()

Instead of having three versions of zigzag per type we can use a
template similarly to unzigzag. This produces ~same code with less
duplication.
---
 src/vertexcodec.cpp | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 1990fa29cf..759a6ce76f 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -147,24 +147,15 @@ static size_t getVertexBlockSize(size_t vertex_size)
 	return (result < kVertexBlockMaxSize) ? result : kVertexBlockMaxSize;
 }
 
-inline unsigned char zigzag(unsigned char v)
-{
-	return ((signed char)(v) >> 7) ^ (v << 1);
-}
-
-inline unsigned short zigzag(unsigned short v)
-{
-	return ((signed short)(v) >> 15) ^ (v << 1);
-}
-
-inline unsigned int zigzag(unsigned int v)
+inline unsigned int rotate(unsigned int v, int r)
 {
-	return ((signed int)(v) >> 31) ^ (v << 1);
+	return (v << r) | (v >> ((32 - r) & 31));
 }
 
-inline unsigned int rotate(unsigned int v, int r)
+template <typename T>
+inline T zigzag(T v)
 {
-	return (v << r) | (v >> ((32 - r) & 31));
+	return (0 - (v >> (sizeof(T) * 8 - 1))) ^ (v << 1);
 }
 
 template <typename T>

From fa8ab12cb366ed7c9c74a4f178cd3a3d0640637c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 20 Dec 2024 10:38:34 -0800
Subject: [PATCH 515/581] vertexcodec: Only record control stats for v1

This avoids displaying a redundant table for v0 traces.
---
 src/vertexcodec.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 759a6ce76f..4c70ea1ba6 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -547,13 +547,14 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 		if (version != 0)
 		{
 			ctrl = estimateControl(buffer, vertex_count, vertex_count_aligned, level);
+
 			assert(unsigned(ctrl) < 4);
 			control[k / 4] |= ctrl << ((k % 4) * 2);
-		}
 
 #if TRACE
-		vertexstats[k].ctrl[ctrl]++;
+			vertexstats[k].ctrl[ctrl]++;
 #endif
+		}
 
 		if (ctrl == 3)
 		{

From d8e89bf7c3ce41e6910ced9ff3439e1e1bb370be Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 20 Dec 2024 12:35:43 -0800
Subject: [PATCH 516/581] demo: Add special tests for v1 format

While v1 is not finalized yet, hopefully the only changes that will
happen here are going to be to the vertex number, and/or channel
encoding.

To make sure we can decode the data in all cases this adds two tests,
one with a normal v1 stream encoded at level 3, which does not exercise
all format features, and a specially crafted stream that exercises all
bitgroup widths, all control modes and all channel modes to encode the
same data.
---
 demo/tests.cpp | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 1e4f8bf9bb..522733f53c 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -58,6 +58,27 @@ static const unsigned char kVertexDataV0[] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // clang-format :-/
 };
 
+static const unsigned char kVertexDataV1[] = {
+    0xae, 0xee, 0xaa, 0xee, 0x00, 0x4b, 0x4b, 0x4b, 0x00, 0x00, 0x4b, 0x00, 0x00, 0x7d, 0x7d,
+    0x7d, 0x00, 0x00, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x62, 0x00, 0x62, // clang-format :-/
+};
+
+// This binary blob is a valid v1 encoding of vertex buffer but it used a custom version of
+// the encoder that exercised all features of the format; because of this it is much larger
+// and will never be produced by the encoder itself.
+static const unsigned char kVertexDataV1Custom[] = {
+    0xae, 0xd4, 0x94, 0xd4, 0x01, 0x0e, 0x00, 0x58, 0x57, 0x58, 0x02, 0x02, 0x12, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x58, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+    0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x7d, 0x7d, 0x7d, 0x01, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x01, 0x62, // clang-format :-/
+};
+
 static void decodeIndexV0()
 {
 	const size_t index_count = sizeof(kIndexBuffer) / sizeof(kIndexBuffer[0]);
@@ -358,6 +379,28 @@ static void decodeVertexV0()
 	assert(memcmp(decoded, kVertexBuffer, sizeof(kVertexBuffer)) == 0);
 }
 
+static void decodeVertexV1()
+{
+	const size_t vertex_count = sizeof(kVertexBuffer) / sizeof(kVertexBuffer[0]);
+
+	std::vector<unsigned char> buffer(kVertexDataV1, kVertexDataV1 + sizeof(kVertexDataV1));
+
+	PV decoded[vertex_count];
+	assert(meshopt_decodeVertexBuffer(decoded, vertex_count, sizeof(PV), &buffer[0], buffer.size()) == 0);
+	assert(memcmp(decoded, kVertexBuffer, sizeof(kVertexBuffer)) == 0);
+}
+
+static void decodeVertexV1Custom()
+{
+	const size_t vertex_count = sizeof(kVertexBuffer) / sizeof(kVertexBuffer[0]);
+
+	std::vector<unsigned char> buffer(kVertexDataV1Custom, kVertexDataV1Custom + sizeof(kVertexDataV1Custom));
+
+	PV decoded[vertex_count];
+	assert(meshopt_decodeVertexBuffer(decoded, vertex_count, sizeof(PV), &buffer[0], buffer.size()) == 0);
+	assert(memcmp(decoded, kVertexBuffer, sizeof(kVertexBuffer)) == 0);
+}
+
 static void encodeVertexMemorySafe()
 {
 	const size_t vertex_count = sizeof(kVertexBuffer) / sizeof(kVertexBuffer[0]);
@@ -2024,6 +2067,9 @@ void runTests()
 	decodeVertexRejectExtraBytes();
 	decodeVertexRejectMalformedHeaders();
 
+	decodeVertexV1();
+	decodeVertexV1Custom();
+
 	for (int version = 0; version <= 1; ++version)
 	{
 		meshopt_encodeVertexVersion(version == 1 ? 0xe : version);

From e108742aa3bbb85d1f51d22f9388150fc110365f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 22 Dec 2024 10:08:17 -0800
Subject: [PATCH 517/581] tools: Adjust codecfuzz to spend less time on each
 iteration

Instead of checking v0 & 4 levels of v1, only check a single
combination. This allows exploration to happen faster.

We can then use the extra time to re-encode the data at the boundary of
the encoding size. This checks that the encoder and decoder is memory safe.
---
 tools/codecfuzz.cpp | 39 +++++++++++++++++++--------------------
 1 file changed, 19 insertions(+), 20 deletions(-)

diff --git a/tools/codecfuzz.cpp b/tools/codecfuzz.cpp
index 2e2c89489a..41602a2926 100644
--- a/tools/codecfuzz.cpp
+++ b/tools/codecfuzz.cpp
@@ -27,9 +27,14 @@ void fuzzRoundtrip(const uint8_t* data, size_t size, size_t stride, int level)
 	assert(encoded && decoded);
 
 	size_t res = meshopt_encodeVertexBufferLevel(static_cast<unsigned char*>(encoded), bound, data, count, stride, level);
-	assert(res <= bound);
+	assert(res > 0 && res <= bound);
 
-	int rc = meshopt_decodeVertexBuffer(decoded, count, stride, static_cast<unsigned char*>(encoded), res);
+	// encode again at the boundary to check for memory safety
+	// this should produce the same output because encoder is deterministic
+	size_t rese = meshopt_encodeVertexBufferLevel(static_cast<unsigned char*>(encoded) + bound - res, res, data, count, stride, level);
+	assert(rese == res);
+
+	int rc = meshopt_decodeVertexBuffer(decoded, count, stride, static_cast<unsigned char*>(encoded) + bound - res, res);
 	assert(rc == 0);
 
 	assert(memcmp(data, decoded, count * stride) == 0);
@@ -49,30 +54,24 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
 	fuzzDecoder(data, size, 4, meshopt_decodeIndexSequence);
 
 	// decodeVertexBuffer supports any strides divisible by 4 in 4-256 interval
-	// It's a waste of time to check all of them, so we'll just check a few with different alignment mod 16
+	// it's a waste of time to check all of them, so we'll just check a few with different alignment mod 16
 	fuzzDecoder(data, size, 4, meshopt_decodeVertexBuffer);
 	fuzzDecoder(data, size, 16, meshopt_decodeVertexBuffer);
 	fuzzDecoder(data, size, 24, meshopt_decodeVertexBuffer);
 	fuzzDecoder(data, size, 32, meshopt_decodeVertexBuffer);
 
 	// encodeVertexBuffer/decodeVertexBuffer should roundtrip for any stride, check a few with different alignment mod 16
-	fuzzRoundtrip(data, size, 4, 0);
-	fuzzRoundtrip(data, size, 16, 0);
-	fuzzRoundtrip(data, size, 24, 0);
-	fuzzRoundtrip(data, size, 32, 0);
-
-	// repeat roundtrip testing for new encoding
-	meshopt_encodeVertexVersion(0xe);
-
-	for (int level = 0; level < 4; ++level)
-	{
-		fuzzRoundtrip(data, size, 4, level);
-		fuzzRoundtrip(data, size, 16, level);
-		fuzzRoundtrip(data, size, 24, level);
-		fuzzRoundtrip(data, size, 32, level);
-	}
-
-	meshopt_encodeVertexVersion(0);
+	// this also checks memory safety properties of the encoder
+	// to conserve time, we only check one version/level combination, biased towards version 1
+	uint8_t data0 = size > 0 ? data[0] : 0;
+	int level = data0 % 5;
+
+	meshopt_encodeVertexVersion(level < 4 ? 0xe : 0);
+
+	fuzzRoundtrip(data, size, 4, level);
+	fuzzRoundtrip(data, size, 16, level);
+	fuzzRoundtrip(data, size, 24, level);
+	fuzzRoundtrip(data, size, 32, level);
 
 	return 0;
 }

From d4b5c2d7ebade680a05f8f00f135d58c41ee4cb5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 23 Dec 2024 11:53:52 -0800
Subject: [PATCH 518/581] vertexcodec: Correctly annotate unreachable branches

unreachable comment marks the line as dead for coverage analysis.
---
 src/vertexcodec.cpp | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 4c70ea1ba6..9a322396c4 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -354,7 +354,7 @@ static void encodeDeltas(unsigned char* buffer, const unsigned char* vertex_data
 	case 2:
 		return encodeDeltas1<unsigned int, true>(buffer, vertex_data, vertex_count, vertex_size, last_vertex, k, channel >> 4);
 	default:
-		assert(!"Unsupported channel encoding");
+		assert(!"Unsupported channel encoding"); // unreachable
 	}
 }
 
@@ -764,8 +764,7 @@ static const unsigned char* decodeVertexBlock(const unsigned char* data, const u
 			decodeDeltas1<unsigned int, true>(buffer, transposed + k, vertex_count, vertex_size, last_vertex + k, (32 - (channel >> 4)) & 31);
 			break;
 		default:
-			// invalid channel type
-			return NULL;
+			return NULL; // invalid channel type
 		}
 	}
 
@@ -947,7 +946,7 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	default:
-		SIMD_UNREACHABLE();
+		SIMD_UNREACHABLE(); // unreachable
 	}
 }
 #endif
@@ -1015,7 +1014,7 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	default:
-		SIMD_UNREACHABLE();
+		SIMD_UNREACHABLE(); // unreachable
 	}
 }
 #endif
@@ -1159,8 +1158,7 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	default:
-		SIMD_UNREACHABLE();
-		return data;
+		SIMD_UNREACHABLE(); // unreachable
 	}
 }
 #endif
@@ -1279,7 +1277,7 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 	}
 
 	default:
-		SIMD_UNREACHABLE();
+		SIMD_UNREACHABLE(); // unreachable
 	}
 }
 #endif
@@ -1593,8 +1591,7 @@ static const unsigned char* decodeVertexBlockSimd(const unsigned char* data, con
 			decodeDeltas4Simd<2>(buffer, transposed + k, vertex_count_aligned, vertex_size, last_vertex + k, (32 - (channel >> 4)) & 31);
 			break;
 		default:
-			// invalid channel type
-			return NULL;
+			return NULL; // invalid channel type
 		}
 	}
 

From 8781d91cdf6c868357e259e78607c364649bc3bc Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 23 Dec 2024 11:55:04 -0800
Subject: [PATCH 519/581] demo: Reformat kVertexData for 16 bytes per line

We were using 15 bytes per line which is confusing to inspect as it does
not align with hex dumps.
---
 demo/tests.cpp | 35 +++++++++++++++++------------------
 1 file changed, 17 insertions(+), 18 deletions(-)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 522733f53c..ad4f6dee9b 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -50,33 +50,32 @@ static const PV kVertexBuffer[] = {
 };
 
 static const unsigned char kVertexDataV0[] = {
-    0xa0, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x58, 0x57, 0x58, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01,
-    0x0c, 0x00, 0x00, 0x00, 0x58, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
-    0x3f, 0x00, 0x00, 0x00, 0x17, 0x18, 0x17, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01, 0x0c, 0x00,
-    0x00, 0x00, 0x17, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // clang-format :-/
+    0xa0, 0x01, 0x3f, 0x00, 0x00, 0x00, 0x58, 0x57, 0x58, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01, 0x0c,
+    0x00, 0x00, 0x00, 0x58, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x3f, 0x00,
+    0x00, 0x00, 0x17, 0x18, 0x17, 0x01, 0x26, 0x00, 0x00, 0x00, 0x01, 0x0c, 0x00, 0x00, 0x00, 0x17,
+    0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, // clang-format :-/
 };
 
 static const unsigned char kVertexDataV1[] = {
-    0xae, 0xee, 0xaa, 0xee, 0x00, 0x4b, 0x4b, 0x4b, 0x00, 0x00, 0x4b, 0x00, 0x00, 0x7d, 0x7d,
-    0x7d, 0x00, 0x00, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x62, 0x00, 0x62, // clang-format :-/
+    0xae, 0xee, 0xaa, 0xee, 0x00, 0x4b, 0x4b, 0x4b, 0x00, 0x00, 0x4b, 0x00, 0x00, 0x7d, 0x7d, 0x7d,
+    0x00, 0x00, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x62, 0x00, 0x62, // clang-format :-/
 };
 
 // This binary blob is a valid v1 encoding of vertex buffer but it used a custom version of
 // the encoder that exercised all features of the format; because of this it is much larger
 // and will never be produced by the encoder itself.
 static const unsigned char kVertexDataV1Custom[] = {
-    0xae, 0xd4, 0x94, 0xd4, 0x01, 0x0e, 0x00, 0x58, 0x57, 0x58, 0x02, 0x02, 0x12, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x58, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
-    0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x7d, 0x7d, 0x7d, 0x01, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x01, 0x62, // clang-format :-/
+    0xae, 0xd4, 0x94, 0xd4, 0x01, 0x0e, 0x00, 0x58, 0x57, 0x58, 0x02, 0x02, 0x12, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x58, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x0e, 0x00, 0x7d, 0x7d, 0x7d, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7d, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x62, // clang-format :-/
 };
 
 static void decodeIndexV0()

From 53526038286e4345e1c5afc534e08dd6fb2a29ed Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 24 Dec 2024 08:24:46 -0800
Subject: [PATCH 520/581] vertexcodec: Reduce tail padding for v1

When v0 was implemented, the decode limit was thought to be 32 bytes;
hence the tail had to be at least 32 bytes to cover the decode overhang.
Since then, decode limit was revised to 24 bytes (8 bytes of 4-bit data
plus 16 bytes of outliers), but the tail remained the same as the format
is fixed. For v1, the decode limit is the same and this is unlikely to
change for future revisions either since 6-bit groups did not end up
working out (they would have required 28 bytes of tail space), so it is
time to reduce the tail to 24 bytes for v1.

This only impacts small blobs but makes the format a little cleaner.
---
 demo/tests.cpp      |  5 ++---
 src/vertexcodec.cpp | 13 +++++++++----
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index ad4f6dee9b..260878a5c5 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -61,8 +61,7 @@ static const unsigned char kVertexDataV0[] = {
 static const unsigned char kVertexDataV1[] = {
     0xae, 0xee, 0xaa, 0xee, 0x00, 0x4b, 0x4b, 0x4b, 0x00, 0x00, 0x4b, 0x00, 0x00, 0x7d, 0x7d, 0x7d,
     0x00, 0x00, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x62, 0x00, 0x62, // clang-format :-/
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x62, 0x00, 0x62, // clang-format :-/
 };
 
 // This binary blob is a valid v1 encoding of vertex buffer but it used a custom version of
@@ -75,7 +74,7 @@ static const unsigned char kVertexDataV1Custom[] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x0e, 0x00, 0x7d, 0x7d, 0x7d, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7d, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x62, // clang-format :-/
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x62, // clang-format :-/
 };
 
 static void decodeIndexV0()
diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 9a322396c4..8d0b508178 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -128,7 +128,8 @@ const size_t kVertexBlockSizeBytes = 8192;
 const size_t kVertexBlockMaxSize = 256;
 const size_t kByteGroupSize = 16;
 const size_t kByteGroupDecodeLimit = 24;
-const size_t kTailMinSize = 32; // must be >= kByteGroupDecodeLimit
+const size_t kTailMinSizeV0 = 32;
+const size_t kTailMinSizeV1 = 24;
 
 static const int kBitsV0[4] = {0, 2, 4, 8};
 static const int kBitsV1[5] = {0, 1, 2, 4, 8};
@@ -1678,7 +1679,8 @@ size_t meshopt_encodeVertexBufferLevel(unsigned char* buffer, size_t buffer_size
 	}
 
 	size_t tail_size = vertex_size + (version == 0 ? 0 : vertex_size / 4);
-	size_t tail_size_pad = tail_size < kTailMinSize ? kTailMinSize : tail_size;
+	size_t tail_size_min = version == 0 ? kTailMinSizeV0 : kTailMinSizeV1;
+	size_t tail_size_pad = tail_size < tail_size_min ? tail_size_min : tail_size;
 
 	if (size_t(data_end - data) < tail_size_pad)
 		return 0;
@@ -1772,7 +1774,9 @@ size_t meshopt_encodeVertexBufferBound(size_t vertex_count, size_t vertex_size)
 	size_t vertex_block_data_size = vertex_block_size;
 
 	size_t tail_size = vertex_size + (vertex_size / 4);
-	size_t tail_size_pad = tail_size < kTailMinSize ? kTailMinSize : tail_size;
+	size_t tail_size_min = kTailMinSizeV0 > kTailMinSizeV1 ? kTailMinSizeV0 : kTailMinSizeV1;
+	size_t tail_size_pad = tail_size < tail_size_min ? tail_size_min : tail_size;
+	assert(tail_size_pad >= kByteGroupDecodeLimit);
 
 	return 1 + vertex_block_count * vertex_size * (vertex_block_control_size + vertex_block_header_size + vertex_block_data_size) + tail_size_pad;
 }
@@ -1825,7 +1829,8 @@ int meshopt_decodeVertexBuffer(void* destination, size_t vertex_count, size_t ve
 		return -1;
 
 	size_t tail_size = vertex_size + (version == 0 ? 0 : vertex_size / 4);
-	size_t tail_size_pad = tail_size < kTailMinSize ? kTailMinSize : tail_size;
+	size_t tail_size_min = version == 0 ? kTailMinSizeV0 : kTailMinSizeV1;
+	size_t tail_size_pad = tail_size < tail_size_min ? tail_size_min : tail_size;
 
 	if (size_t(data_end - data) < tail_size_pad)
 		return -2;

From 9d3ffc4528399de557e59407e04f2bc79a94f7f4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 25 Dec 2024 08:00:57 -0800
Subject: [PATCH 521/581] vertexcodec: Minor estimateRotate cleanup

Ignoring trivial bitgroups is sometimes detrimental for performance, so
for now just remove this; also split a line that's too long in two.
---
 src/vertexcodec.cpp | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 8d0b508178..725eecda07 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -386,15 +386,12 @@ static int estimateRotate(const unsigned char* vertex_data, size_t vertex_count,
 			vertex += vertex_size;
 		}
 
-		// ignore trivial groups for performance
-		if (bitg == 0 || bitg == ~0u)
-			continue;
-
 		for (int j = 0; j < 8; ++j)
 		{
 			unsigned int bitr = rotate(bitg, j);
 
-			sizes[j] += estimateBits((unsigned char)(bitr >> 0)) + estimateBits((unsigned char)(bitr >> 8)) + estimateBits((unsigned char)(bitr >> 16)) + estimateBits((unsigned char)(bitr >> 24));
+			sizes[j] += estimateBits((unsigned char)(bitr >> 0)) + estimateBits((unsigned char)(bitr >> 8));
+			sizes[j] += estimateBits((unsigned char)(bitr >> 16)) + estimateBits((unsigned char)(bitr >> 24));
 		}
 	}
 

From 3b110839c7be9c7d32b00aae8a82f1d591d654c5 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 25 Dec 2024 09:07:50 -0800
Subject: [PATCH 522/581] vertexcodec: Minor estimateControl cleanup

Restructure the code a little bit to reduce indentation and make it more
obvious that level 0 is the only change in the encoding flow.
---
 src/vertexcodec.cpp | 63 ++++++++++++++++++++-------------------------
 1 file changed, 28 insertions(+), 35 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 725eecda07..00630fed32 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -455,46 +455,39 @@ static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count
 static int estimateControl(const unsigned char* buffer, size_t vertex_count, size_t vertex_count_aligned, int level)
 {
 	if (canEncodeZero(buffer, vertex_count))
-	{
-		// zero encoding
-		return 2;
-	}
-	else if (level > 0)
-	{
-		// round number of groups to 4 to get number of header bytes
-		size_t header_size = (vertex_count_aligned / kByteGroupSize + 3) / 4;
+		return 2; // zero encoding
 
-		size_t est_bytes0 = header_size, est_bytes1 = header_size;
+	if (level == 0)
+		return 1; // 1248 encoding in level 0 for encoding speed
 
-		for (size_t i = 0; i < vertex_count_aligned; i += kByteGroupSize)
-		{
-			// assumes kBitsV1[] = {0, 1, 2, 4, 8} for performance
-			size_t size0 = encodeBytesGroupMeasure(buffer + i, 0);
-			size_t size1 = encodeBytesGroupMeasure(buffer + i, 1);
-			size_t size2 = encodeBytesGroupMeasure(buffer + i, 2);
-			size_t size4 = encodeBytesGroupMeasure(buffer + i, 4);
-			size_t size8 = encodeBytesGroupMeasure(buffer + i, 8);
-
-			// both control modes have access to 1/2/4 bit encoding
-			size_t size12 = size1 < size2 ? size1 : size2;
-			size_t size124 = size12 < size4 ? size12 : size4;
-
-			// each control mode has access to 0/8 bit encoding respectively
-			est_bytes0 += size124 < size0 ? size124 : size0;
-			est_bytes1 += size124 < size8 ? size124 : size8;
-		}
+	// round number of groups to 4 to get number of header bytes
+	size_t header_size = (vertex_count_aligned / kByteGroupSize + 3) / 4;
 
-		// pick shortest control entry but prefer literal encoding
-		if (est_bytes0 < vertex_count || est_bytes1 < vertex_count)
-			return est_bytes0 < est_bytes1 ? 0 : 1;
-		else
-			return 3;
-	}
-	else
+	size_t est_bytes0 = header_size, est_bytes1 = header_size;
+
+	for (size_t i = 0; i < vertex_count_aligned; i += kByteGroupSize)
 	{
-		// 1248 encoding
-		return 1;
+		// assumes kBitsV1[] = {0, 1, 2, 4, 8} for performance
+		size_t size0 = encodeBytesGroupMeasure(buffer + i, 0);
+		size_t size1 = encodeBytesGroupMeasure(buffer + i, 1);
+		size_t size2 = encodeBytesGroupMeasure(buffer + i, 2);
+		size_t size4 = encodeBytesGroupMeasure(buffer + i, 4);
+		size_t size8 = encodeBytesGroupMeasure(buffer + i, 8);
+
+		// both control modes have access to 1/2/4 bit encoding
+		size_t size12 = size1 < size2 ? size1 : size2;
+		size_t size124 = size12 < size4 ? size12 : size4;
+
+		// each control mode has access to 0/8 bit encoding respectively
+		est_bytes0 += size124 < size0 ? size124 : size0;
+		est_bytes1 += size124 < size8 ? size124 : size8;
 	}
+
+	// pick shortest control entry but prefer literal encoding
+	if (est_bytes0 < vertex_count || est_bytes1 < vertex_count)
+		return est_bytes0 < est_bytes1 ? 0 : 1;
+	else
+		return 3; // literal encoding
 }
 
 static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data_end, const unsigned char* vertex_data, size_t vertex_count, size_t vertex_size, unsigned char last_vertex[256], const unsigned char* channels, int version, int level)

From 384f2abe35b6ae319fdc8c83b67c792c78a11ddf Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 26 Dec 2024 09:20:53 -0800
Subject: [PATCH 523/581] vertexcodec: Optimize encodeDeltas1 to get fused
 loads

gcc refuses to fuse two byte loads here, presumably out of concern for
size_t overflow; help it by tracking the pointer to the vertex chunk we
need to read directly. This improves level 2 encoding performance by 5%.
---
 src/vertexcodec.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 00630fed32..dfc3e9a6f7 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -331,16 +331,19 @@ static void encodeDeltas1(unsigned char* buffer, const unsigned char* vertex_dat
 	for (size_t j = 1; j < sizeof(T); ++j)
 		p |= T(last_vertex[k0 + j]) << (j * 8);
 
+	const unsigned char* vertex = vertex_data + k0;
+
 	for (size_t i = 0; i < vertex_count; ++i)
 	{
-		T v = vertex_data[i * vertex_size + k0];
+		T v = vertex[0];
 		for (size_t j = 1; j < sizeof(T); ++j)
-			v |= vertex_data[i * vertex_size + k0 + j] << (j * 8);
+			v |= vertex[j] << (j * 8);
 
 		T d = Xor ? T(rotate(v ^ p, rot)) : zigzag(T(v - p));
 
 		buffer[i] = (unsigned char)(d >> ks);
 		p = v;
+		vertex += vertex_size;
 	}
 }
 

From 9f4c71e703200c78d994d3b9d6bf86caf58468f1 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 27 Dec 2024 04:44:57 -0800
Subject: [PATCH 524/581] vertexcodec: Use load_splat to load shuffle offsets

We originally used load + splat to be able to support early versions of
v8 that did not fully support SIMD proposal, but at this point only the
official version of the proposal matters; this makes decoding 5% faster.
---
 src/vertexcodec.cpp | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index dfc3e9a6f7..d3fc7bb16a 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -864,7 +864,6 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		unsigned char mask1 = (unsigned char)(mask16 >> 8);
 
 		__m128i shuf = decodeShuffleMask(mask0, mask1);
-
 		__m128i result = _mm_or_si128(_mm_shuffle_epi8(rest, shuf), _mm_andnot_si128(mask, sel));
 
 		_mm_storeu_si128(reinterpret_cast<__m128i*>(buffer), result);
@@ -901,7 +900,6 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		unsigned char mask1 = (unsigned char)(mask16 >> 8);
 
 		__m128i shuf = decodeShuffleMask(mask0, mask1);
-
 		__m128i result = _mm_or_si128(_mm_shuffle_epi8(rest, shuf), _mm_andnot_si128(mask, sel));
 
 		_mm_storeu_si128(reinterpret_cast<__m128i*>(buffer), result);
@@ -931,7 +929,6 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		unsigned char mask1 = data[1];
 
 		__m128i shuf = decodeShuffleMask(mask0, mask1);
-
 		__m128i result = _mm_shuffle_epi8(rest, shuf);
 
 		_mm_storeu_si128(reinterpret_cast<__m128i*>(buffer), result);
@@ -1164,9 +1161,7 @@ inline v128_t decodeShuffleMask(unsigned char mask0, unsigned char mask1)
 	v128_t sm0 = wasm_v128_load(&kDecodeBytesGroupShuffle[mask0]);
 	v128_t sm1 = wasm_v128_load(&kDecodeBytesGroupShuffle[mask1]);
 
-	v128_t sm1off = wasm_v128_load(&kDecodeBytesGroupCount[mask0]);
-	sm1off = wasm_i8x16_shuffle(sm1off, sm1off, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
-
+	v128_t sm1off = wasm_v128_load8_splat(&kDecodeBytesGroupCount[mask0]);
 	v128_t sm1r = wasm_i8x16_add(sm1, sm1off);
 
 	return wasmx_unpacklo_v64x2(sm0, sm1r);
@@ -1213,7 +1208,6 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		wasmMoveMask(mask, mask0, mask1);
 
 		v128_t shuf = decodeShuffleMask(mask0, mask1);
-
 		v128_t result = wasm_v128_bitselect(wasm_i8x16_swizzle(rest, shuf), sel, mask);
 
 		wasm_v128_store(buffer, result);
@@ -1236,7 +1230,6 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		wasmMoveMask(mask, mask0, mask1);
 
 		v128_t shuf = decodeShuffleMask(mask0, mask1);
-
 		v128_t result = wasm_v128_bitselect(wasm_i8x16_swizzle(rest, shuf), sel, mask);
 
 		wasm_v128_store(buffer, result);
@@ -1262,7 +1255,6 @@ inline const unsigned char* decodeBytesGroupSimd(const unsigned char* data, unsi
 		unsigned char mask1 = data[1];
 
 		v128_t shuf = decodeShuffleMask(mask0, mask1);
-
 		v128_t result = wasm_i8x16_swizzle(rest, shuf);
 
 		wasm_v128_store(buffer, result);

From 978cca29d9d0bbb58e75b6c4ee6922cdb681648e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 28 Dec 2024 08:29:17 -0800
Subject: [PATCH 525/581] Expand gltfpack coverage a bit more

We aren't testing high bit color mode; also, animation resampling can
now be disabled which triggers different code paths.
---
 .github/workflows/build.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 18c8acc1ea..e31278b4ef 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -180,9 +180,9 @@ jobs:
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tr
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc -ts 0.5 -tl 64
           ./gltfpack -test glTF-Sample-Assets/Models/BoxTextured/glTF/BoxTextured.gltf -tc color -tfy -tq 4 -tj 1
-          ./gltfpack -test glTF-Sample-Assets/Models/CesiumMan/glTF/CesiumMan.gltf -tu -ts 0.6 -tp
+          ./gltfpack -test glTF-Sample-Assets/Models/CesiumMan/glTF/CesiumMan.gltf -tu -ts 0.6 -tp -ar 0
           ./gltfpack -test glTF-Sample-Assets/Models/PrimitiveModeNormalsTest/glTF/PrimitiveModeNormalsTest.gltf -si 0.5
-          ./gltfpack -test glTF-Sample-Assets/Models/VertexColorTest/glTF/VertexColorTest.gltf -si 0.5 -sv
+          ./gltfpack -test glTF-Sample-Assets/Models/VertexColorTest/glTF/VertexColorTest.gltf -si 0.5 -sv -vc 12
           ./gltfpack -test glTF-Sample-Assets/Models/SimpleMeshes/glTF/SimpleMeshes.gltf -mm
           ./gltfpack -test glTF-Sample-Assets/Models/SimpleMeshes/glTF/SimpleMeshes.gltf -kn
           echo newmtl Leather > demo/pirate.mtl

From 546652c9e64c8a459c1f38032ba01cce03735353 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 28 Dec 2024 08:38:14 -0800
Subject: [PATCH 526/581] vertexcodec: Change new version from 0xe to 1

With all the previous changes, the encoding format is now more or less
stable. While it is possible to expand the encoding a little more to
enhance XOR encoding in some cases, these are unlikely and should not
invalidate any existing v1 streams.

As part of this, -ce setting in gltfpack is enabled in release builds
for easier testing.
---
 demo/main.cpp        |  4 ++--
 demo/tests.cpp       | 17 +++++++----------
 gltf/gltfpack.cpp    |  6 ++----
 src/meshoptimizer.h  |  2 +-
 src/vertexcodec.cpp  |  5 ++---
 tools/codecbench.cpp |  8 ++++----
 tools/codecfuzz.cpp  |  2 +-
 tools/codectest.cpp  |  7 ++++---
 8 files changed, 23 insertions(+), 28 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 27dc8eb01d..6b1185710c 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -1407,7 +1407,7 @@ void processDev(const char* path)
 
 	meshopt_encodeVertexVersion(0);
 	encodeVertex<PackedVertex>(copy, "L");
-	meshopt_encodeVertexVersion(0xe);
+	meshopt_encodeVertexVersion(1);
 	encodeVertex<PackedVertex>(copy, "0", 0);
 	encodeVertex<PackedVertex>(copy, "1", 1);
 	encodeVertex<PackedVertex>(copy, "2", 2);
@@ -1427,7 +1427,7 @@ int main(int argc, char** argv)
 {
 	void runTests();
 
-	meshopt_encodeVertexVersion(0);
+	meshopt_encodeVertexVersion(1);
 	meshopt_encodeIndexVersion(1);
 
 	if (argc == 1)
diff --git a/demo/tests.cpp b/demo/tests.cpp
index 260878a5c5..5d15aa1b04 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -59,7 +59,7 @@ static const unsigned char kVertexDataV0[] = {
 };
 
 static const unsigned char kVertexDataV1[] = {
-    0xae, 0xee, 0xaa, 0xee, 0x00, 0x4b, 0x4b, 0x4b, 0x00, 0x00, 0x4b, 0x00, 0x00, 0x7d, 0x7d, 0x7d,
+    0xa1, 0xee, 0xaa, 0xee, 0x00, 0x4b, 0x4b, 0x4b, 0x00, 0x00, 0x4b, 0x00, 0x00, 0x7d, 0x7d, 0x7d,
     0x00, 0x00, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x62, 0x00, 0x62, // clang-format :-/
 };
@@ -68,7 +68,7 @@ static const unsigned char kVertexDataV1[] = {
 // the encoder that exercised all features of the format; because of this it is much larger
 // and will never be produced by the encoder itself.
 static const unsigned char kVertexDataV1Custom[] = {
-    0xae, 0xd4, 0x94, 0xd4, 0x01, 0x0e, 0x00, 0x58, 0x57, 0x58, 0x02, 0x02, 0x12, 0x00, 0x00, 0x00,
+    0xa1, 0xd4, 0x94, 0xd4, 0x01, 0x0e, 0x00, 0x58, 0x57, 0x58, 0x02, 0x02, 0x12, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x58, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -2060,18 +2060,16 @@ void runTests()
 	encodeIndexSequenceEmpty();
 
 	decodeVertexV0();
-	encodeVertexMemorySafe();
-	decodeVertexMemorySafe();
-	decodeVertexRejectExtraBytes();
-	decodeVertexRejectMalformedHeaders();
-
 	decodeVertexV1();
 	decodeVertexV1Custom();
 
 	for (int version = 0; version <= 1; ++version)
 	{
-		meshopt_encodeVertexVersion(version == 1 ? 0xe : version);
+		meshopt_encodeVertexVersion(version);
 
+		decodeVertexMemorySafe();
+		decodeVertexRejectExtraBytes();
+		decodeVertexRejectMalformedHeaders();
 		decodeVertexBitGroups();
 		decodeVertexBitGroupSentinels();
 		decodeVertexDeltas();
@@ -2079,10 +2077,9 @@ void runTests()
 		decodeVertexLarge();
 		decodeVertexSmall();
 		encodeVertexEmpty();
+		encodeVertexMemorySafe();
 	}
 
-	meshopt_encodeVertexVersion(0);
-
 	decodeFilterOct8();
 	decodeFilterOct12();
 	decodeFilterQuat12();
diff --git a/gltf/gltfpack.cpp b/gltf/gltfpack.cpp
index 88ae1e61f9..c22d252499 100644
--- a/gltf/gltfpack.cpp
+++ b/gltf/gltfpack.cpp
@@ -1514,15 +1514,13 @@ int main(int argc, char** argv)
 			settings.compress = true;
 			settings.fallback = true;
 		}
-#ifndef NDEBUG
 		else if (strcmp(arg, "-ce") == 0)
 		{
-			fprintf(stderr, "Warning: experimental compression will produce files that may not decode in the future!\n");
-			meshopt_encodeVertexVersion(0xe);
+			fprintf(stderr, "Warning: experimental compression will produce files that are not compliant with EXT_meshopt_compression\n");
+			meshopt_encodeVertexVersion(1);
 			settings.compress = true;
 			settings.compressmore = true;
 		}
-#endif
 		else if (strcmp(arg, "-v") == 0)
 		{
 			settings.verbose = 1;
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 6243947cfc..e066041d1f 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -289,7 +289,7 @@ MESHOPTIMIZER_API size_t meshopt_encodeVertexBufferLevel(unsigned char* buffer,
 
 /**
  * Set vertex encoder format version
- * version must specify the data format version to encode; valid values are 0 (decodable by all library versions)
+ * version must specify the data format version to encode; valid values are 0 (decodable by all library versions) and 1 (decodable by 0.23+)
  */
 MESHOPTIMIZER_API void meshopt_encodeVertexVersion(int version);
 
diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index d3fc7bb16a..43019cb31c 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1768,8 +1768,7 @@ size_t meshopt_encodeVertexBufferBound(size_t vertex_count, size_t vertex_size)
 
 void meshopt_encodeVertexVersion(int version)
 {
-	// note: this version is experimental and the binary format is not finalized; this should not be used in production!
-	assert(unsigned(version) <= 0 || version == 0xe);
+	assert(unsigned(version) <= 1);
 
 	meshopt::gEncodeVertexVersion = version;
 }
@@ -1810,7 +1809,7 @@ int meshopt_decodeVertexBuffer(void* destination, size_t vertex_count, size_t ve
 		return -1;
 
 	int version = data_header & 0x0f;
-	if (version > 0 && version != 0xe)
+	if (version > 1)
 		return -1;
 
 	size_t tail_size = vertex_size + (version == 0 ? 0 : vertex_size / 4);
diff --git a/tools/codecbench.cpp b/tools/codecbench.cpp
index 0b67c58f1a..cc1eac0a3a 100644
--- a/tools/codecbench.cpp
+++ b/tools/codecbench.cpp
@@ -207,7 +207,7 @@ File readFile(const char* path)
 	result.v0.resize(meshopt_encodeVertexBufferBound(result.count, result.stride));
 	result.v0.resize(meshopt_encodeVertexBuffer(result.v0.data(), result.v0.size(), decoded.data(), result.count, result.stride));
 
-	meshopt_encodeVertexVersion(0xe);
+	meshopt_encodeVertexVersion(1);
 	result.v1.resize(meshopt_encodeVertexBufferBound(result.count, result.stride));
 	result.v1.resize(meshopt_encodeVertexBuffer(result.v1.data(), result.v1.size(), decoded.data(), result.count, result.stride));
 
@@ -252,7 +252,7 @@ int main(int argc, char** argv)
 
 		std::vector<unsigned char> buffer(max_size);
 
-		printf("Algorithm   :\tvtx\tvtxe\n");
+		printf("Algorithm   :\tvtx0\tvtx1\n");
 		printf("Size (MB)   :\t%.2f\t%.2f\n", double(total_v0) / 1024 / 1024, double(total_v1) / 1024 / 1024);
 		printf("Ratio       :\t%.2f\t%.2f\n", double(total_v0) / double(total_size), double(total_v1) / double(total_size));
 
@@ -334,7 +334,7 @@ int main(int argc, char** argv)
 		}
 	}
 
-	printf("Algorithm   :\tvtx\tvtxe\tidx\toct8\toct12\tquat12\texp\n");
+	printf("Algorithm   :\tvtx0\tvtx1\tidx\toct8\toct12\tquat12\texp\n");
 
 	for (int l = 0; l < (loop ? 100 : 1); ++l)
 	{
@@ -343,7 +343,7 @@ int main(int argc, char** argv)
 		double bestvd0 = 0, bestid = 0;
 		benchCodecs(vertices, indices, bestvd0, bestid, verbose);
 
-		meshopt_encodeVertexVersion(0xe);
+		meshopt_encodeVertexVersion(1);
 
 		double bestvd1 = 0, bestidr = 0;
 		benchCodecs(vertices, indices, bestvd1, bestidr, verbose);
diff --git a/tools/codecfuzz.cpp b/tools/codecfuzz.cpp
index 41602a2926..89bce24092 100644
--- a/tools/codecfuzz.cpp
+++ b/tools/codecfuzz.cpp
@@ -66,7 +66,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
 	uint8_t data0 = size > 0 ? data[0] : 0;
 	int level = data0 % 5;
 
-	meshopt_encodeVertexVersion(level < 4 ? 0xe : 0);
+	meshopt_encodeVertexVersion(level < 4 ? 1 : 0);
 
 	fuzzRoundtrip(data, size, 4, level);
 	fuzzRoundtrip(data, size, 16, level);
diff --git a/tools/codectest.cpp b/tools/codectest.cpp
index 48d2f9e72a..529a27c463 100644
--- a/tools/codectest.cpp
+++ b/tools/codectest.cpp
@@ -68,9 +68,10 @@ void testFile(FILE* file, size_t count, size_t stride, int level, Stats* stats =
 	int res = meshopt_decodeVertexBuffer(&decoded[0], count, stride, &input[0], input.size());
 	if (res != 0 && input.size() == decoded.size())
 	{
-		// some files are not encoded; encode them with v1 to let the rest of the flow proceed as is
+		// some files are not encoded; encode them with v0 to let the rest of the flow proceed as is
 		memcpy(decoded.data(), input.data(), decoded.size());
 		input.resize(meshopt_encodeVertexBufferBound(count, stride));
+		meshopt_encodeVertexVersion(0);
 		input.resize(meshopt_encodeVertexBuffer(input.data(), input.size(), decoded.data(), count, stride));
 	}
 	else if (res != 0)
@@ -80,9 +81,8 @@ void testFile(FILE* file, size_t count, size_t stride, int level, Stats* stats =
 	}
 
 	std::vector<unsigned char> output(meshopt_encodeVertexBufferBound(count, stride));
-	meshopt_encodeVertexVersion(0xe);
+	meshopt_encodeVertexVersion(1);
 	output.resize(meshopt_encodeVertexBufferLevel(output.data(), output.size(), decoded.data(), count, stride, level));
-	meshopt_encodeVertexVersion(0);
 
 	printf(" raw %zu KB\t", decoded.size() / 1024);
 	printf(" v0 %.2f", double(input.size()) / double(decoded.size()));
@@ -205,6 +205,7 @@ int main(int argc, char** argv)
 	}
 	else
 	{
+		meshopt_encodeVertexVersion(1);
 		size_t vertex_count = input.size() / stride;
 		std::vector<unsigned char> output(meshopt_encodeVertexBufferBound(vertex_count, stride));
 		size_t output_size = meshopt_encodeVertexBuffer(output.data(), output.size(), input.data(), vertex_count, stride);

From 83fdf6249fb7ee5baa7cc9ae3ec1e55d9a987283 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 30 Dec 2024 08:45:43 -0800
Subject: [PATCH 527/581] js: Update encoder/decoder with v1 support

Decoder is now a little larger (7.5 KB post-gzip vs 6.5 KB), but
associated ratio/speed gains hopefully will make up for it. For now
encoder is still only capable of producing v0 streams but this is easy
to change in the future.
---
 Makefile                     | 2 +-
 js/meshopt_decoder.js        | 4 ++--
 js/meshopt_decoder.module.js | 4 ++--
 js/meshopt_encoder.js        | 2 +-
 js/meshopt_encoder.module.js | 2 +-
 5 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/Makefile b/Makefile
index 3e9d846dbf..e821540d4c 100644
--- a/Makefile
+++ b/Makefile
@@ -55,7 +55,7 @@ WASM_DECODER_SOURCES=src/vertexcodec.cpp src/indexcodec.cpp src/vertexfilter.cpp
 WASM_DECODER_EXPORTS=meshopt_decodeVertexBuffer meshopt_decodeIndexBuffer meshopt_decodeIndexSequence meshopt_decodeFilterOct meshopt_decodeFilterQuat meshopt_decodeFilterExp sbrk __wasm_call_ctors
 
 WASM_ENCODER_SOURCES=src/vertexcodec.cpp src/indexcodec.cpp src/vertexfilter.cpp src/vcacheoptimizer.cpp src/vfetchoptimizer.cpp src/spatialorder.cpp tools/wasmstubs.cpp
-WASM_ENCODER_EXPORTS=meshopt_encodeVertexBuffer meshopt_encodeVertexBufferBound meshopt_encodeIndexBuffer meshopt_encodeIndexBufferBound meshopt_encodeIndexSequence meshopt_encodeIndexSequenceBound meshopt_encodeVertexVersion meshopt_encodeIndexVersion meshopt_encodeFilterOct meshopt_encodeFilterQuat meshopt_encodeFilterExp meshopt_optimizeVertexCache meshopt_optimizeVertexCacheStrip meshopt_optimizeVertexFetchRemap meshopt_spatialSortRemap sbrk __wasm_call_ctors
+WASM_ENCODER_EXPORTS=meshopt_encodeVertexBuffer meshopt_encodeVertexBufferBound meshopt_encodeVertexBufferLevel meshopt_encodeIndexBuffer meshopt_encodeIndexBufferBound meshopt_encodeIndexSequence meshopt_encodeIndexSequenceBound meshopt_encodeVertexVersion meshopt_encodeIndexVersion meshopt_encodeFilterOct meshopt_encodeFilterQuat meshopt_encodeFilterExp meshopt_optimizeVertexCache meshopt_optimizeVertexCacheStrip meshopt_optimizeVertexFetchRemap meshopt_spatialSortRemap sbrk __wasm_call_ctors
 
 WASM_SIMPLIFIER_SOURCES=src/simplifier.cpp src/vfetchoptimizer.cpp tools/wasmstubs.cpp
 WASM_SIMPLIFIER_EXPORTS=meshopt_simplify meshopt_simplifyWithAttributes meshopt_simplifyScale meshopt_simplifyPoints meshopt_optimizeVertexFetchRemap sbrk __wasm_call_ctors
diff --git a/js/meshopt_decoder.js b/js/meshopt_decoder.js
index f8318d979d..558e1f02af 100644
--- a/js/meshopt_decoder.js
+++ b/js/meshopt_decoder.js
@@ -5,9 +5,9 @@ var MeshoptDecoder = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.22
 	var wasm_base =
-		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q:Odkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklzNbb'; // embed! base
+		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:W:Odkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq:785qdbk:PKi3ud9:du8Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnalTmbcuhoaiRbbgrc;WeGc:Ge9hmbarcsGgwce0mbc9:hoalcufadcd4cbawEgDadfgrcKcaawEgqaraq0Egk6mbaicefhxcj;abad9Uc;WFbGgocjdaocjd6EhmaialfgPar9Rgoadfhsavaoadz1jjjbgzceVhHcbhOdndninaeaO9nmeaPax9RaD6mdamaeaO9RaOamfae6EgAcsfgoc9WGhCabaOad2fhXaAcethQaxaDfhiaocl4cifcd4hLcbhKazcjdfhYaHh8AincbhodnawTmbaxaKcd4fRbbhokaocFeGhEcbh3inaih5dndndndnaEa3cet4ciGgoc9:fPdebdkaPa59RaA6mrazcj;cbfa3aA2fa5aAz1jjjb8Aa5aAfhixdkazcj;cbfa3aA2fcbaAz:jjjjb8Aa5hixekaPa59RaL6mva5aLfhidnaCTmbaPai9RcK6mbaocdtc:q1jjbfcj1jjbawEh8Eazcj;cbfa3aA2fh8Fczhacbhrcbhqina8Faqfhodndndndndndna8Ea5aaglc9Wfco4fRbbarcoG4ciGcdtfydbPDbedvivvvlvkao9cb83bbaocwf9cb83bbxlkaocbaiRbdai8Xbb9c:c:qj:bw9:9c:q;c1:I1e:d9c:b:c:e1z9:gh9cjjjjjz:dgg9qE86bbaoaicdfag9c8N1:NfgaRbbah9c8F1:Nc;:eGg8Jcr4a8JcFb0g8JE86beaocbaaa8JfgaRbbah9cjjjjjl:dgg9qE86bdaocbaaag9c8L1:NfgaRbbah9cjjjjjd:dgg9qE86biaocbaaag9c8K1:NfgaRbbah9cjjjjje:dgg9qE86blaocbaaag9c8J1:NfgaRbbah9cjjjj;ab:dgg9qE86bvaocbaaag9cg1:NfgaRbbah9cjjjja:dgg9qE86boaocbaaag9ch1:NfgaRbbah9cjjjjz:dgh9qE86braocbaaah9ca1:NfgaRbbai8Xbe9c:c:qj:bw9:9c:q;c1:I1e:d9c:b:c:e1z9:gh9cjjjjjz:dgg9qE86bwaoaaag9c8N1:NfgiRbbah9c8F1:Nc;:eGgacr4aacFb0gaE86bDaocbaiaafgiRbbah9cjjjjjl:dgg9qE86bqaocbaiag9c8L1:NfgiRbbah9cjjjjjd:dgg9qE86bkaocbaiag9c8K1:NfgiRbbah9cjjjjje:dgg9qE86bxaocbaiag9c8J1:NfgiRbbah9cjjjj;ab:dgg9qE86bmaocbaiag9cg1:NfgiRbbah9cjjjja:dgg9qE86bPaocbaiag9ch1:NfgiRbbah9cjjjjz:dgh9qE86bsaiah9ca1: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;cbfh5cbh3aYh8Fina8ERbbhra8FhoaAhqcbhlinaoa5alfRbbgace4cbaaceG9R7arfgr86bbaoadfhoalcefhlaqcufgqmbka8Fcefh8Fa8Ecefh8Ea5aAfh5a3cefg3cl9hmbxikkaATmeazaKfh8Eazcj;cbfhrcbhoceh8FinaYaofhla8E8VbbhqaAhacbhoinalaraoaAffRbbcwtaraofRbbg5Vc;:FiGce4cba5ceG9R7aqfgq87bbaladfhlaocefhoaacufgambkcdhoa8Ecdfh8EaraQfhra8FceGhlcbh8FalmbxdkkaATmbcbaocl49Rh8FazaKfRbbhqcwhoa8AhlinalRbbaotaqVhqalcefhlaocwfgoca9hmbkcbh5aYh8Einazcj;cbfa5fgaRbbhrcehocwhlinaaaoaA2fRbbaltarVhraocefhoalcwfglca9hmbkara8F93aq7hqcbhoa8Ehlinalaqao486bbalcefhlaocwfgoca9hmbka8Eadfh8Ea5cefg5aA9hmbkkaYclfhYa8Aclfh8AaKclfgKad6mbkaXazcjdfaAad2z1jjjb8AazazcjdfaAcufad2fadz1jjjb8AaAaOfhOaihxaimbkc9:hoxdkcbc99aPax9RakSEhoxekc9:hokavcj;kbf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBd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// embed! base
 	var wasm_simd =
-		'b9H79TebbbeKl9Gbb9Gvuuuuueu9Giuuub9Geueuikqbbebeedddilve9Weeeviebeoweuec:q:6dkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbdY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVblE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtboK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbrL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbwl79IV9RbDq:p9sqlbzik9:evu8Jjjjjbcz9Rhbcbheincbhdcbhiinabcwfadfaicjuaead4ceGglE86bbaialfhiadcefgdcw9hmbkaec:q:yjjbfai86bbaecitc:q1jjbfab8Piw83ibaecefgecjd9hmbkk:N8JlHud97euo978Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Rad;8qbbcj;abad9UhlaicefhodnaeTmbadTmbalc;WFbGglcjdalcjd6EhwcbhDinawaeaD9RaDawfae6Egqcsfglc9WGgkci2hxakcethmalcl4cifcd4hPabaDad2fhsakc;ab6hzcbhHincbhOaohAdndninaraA9RaP6meavcj;cbfaOak2fhCaAaPfhocbhidnazmbarao9Rc;Gb6mbcbhlinaCalfhidndndndndnaAalco4fRbbgXciGPlbedibkaipxbbbbbbbbbbbbbbbbpklbxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklbaoczfhokdndndndndnaXcd4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklzxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklzaoczfhokdndndndndnaXcl4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklaxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklaaoczfhokdndndndndnaXco4Plbedibkaipxbbbbbbbbbbbbbbbbpkl8WxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaoclfaYpQbfaXc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaocwfaYpQbfaXc:q:yjjbfRbbfhoxekaiaopbbbpkl8Waoczfhokalc;abfhialcjefak0meaihlarao9Rc;Fb0mbkkdnaiak9pmbaici4hlinarao9RcK6miaCaifhXdndndndndnaAaico4fRbbalcoG4ciGPlbedibkaXpxbbbbbbbbbbbbbbbbpkbbxikaXaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaXaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaXaopbbbpkbbaoczfhokalcdfhlaiczfgiak6mbkkaoTmeaohAaOcefgOclSmdxbkkc9:hoxlkdnakTmbavcjdfaHfhiavaHfpbdbhYcbhXinaiavcj;cbfaXfglpblbgLcep9TaLpxeeeeeeeeeeeeeeeegQp9op9Hp9rgLalakfpblbg8Acep9Ta8AaQp9op9Hp9rg8ApmbzeHdOiAlCvXoQrLgEalamfpblbg3cep9Ta3aQp9op9Hp9rg3alaxfpblbg5cep9Ta5aQp9op9Hp9rg5pmbzeHdOiAlCvXoQrLg8EpmbezHdiOAlvCXorQLgQaQpmbedibedibedibediaYp9UgYp9AdbbaiadfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfglaYaEa8EpmwDKYqk8AExm35Ps8E8FgQaQpmbedibedibedibedip9UgYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfglaYaLa8ApmwKDYq8AkEx3m5P8Es8FgLa3a5pmwKDYq8AkEx3m5P8Es8Fg8ApmbezHdiOAlvCXorQLgQaQpmbedibedibedibedi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// embed! simd
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// embed! simd
 
 	var detector = new Uint8Array([
 		0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 3, 2, 0, 0, 5, 3, 1, 0, 1, 12, 1, 0, 10, 22, 2, 12, 0, 65, 0, 65, 0, 65, 0, 252, 10, 0, 0,
diff --git a/js/meshopt_decoder.module.js b/js/meshopt_decoder.module.js
index a9bd05fe7b..c339892dad 100644
--- a/js/meshopt_decoder.module.js
+++ b/js/meshopt_decoder.module.js
@@ -4,9 +4,9 @@ var MeshoptDecoder = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.22
 	var wasm_base =
-		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q:Odkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklzNbb'; // embed! base
+		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:W:Odkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq:785qdbk:PKi3ud9:du8Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnalTmbcuhoaiRbbgrc;WeGc:Ge9hmbarcsGgwce0mbc9:hoalcufadcd4cbawEgDadfgrcKcaawEgqaraq0Egk6mbaicefhxcj;abad9Uc;WFbGgocjdaocjd6EhmaialfgPar9Rgoadfhsavaoadz1jjjbgzceVhHcbhOdndninaeaO9nmeaPax9RaD6mdamaeaO9RaOamfae6EgAcsfgoc9WGhCabaOad2fhXaAcethQaxaDfhiaocl4cifcd4hLcbhKazcjdfhYaHh8AincbhodnawTmbaxaKcd4fRbbhokaocFeGhEcbh3inaih5dndndndnaEa3cet4ciGgoc9:fPdebdkaPa59RaA6mrazcj;cbfa3aA2fa5aAz1jjjb8Aa5aAfhixdkazcj;cbfa3aA2fcbaAz:jjjjb8Aa5hixekaPa59RaL6mva5aLfhidnaCTmbaPai9RcK6mbaocdtc:q1jjbfcj1jjbawEh8Eazcj;cbfa3aA2fh8Fczhacbhrcbhqina8Faqfhodndndndndndna8Ea5aaglc9Wfco4fRbbarcoG4ciGcdtfydbPDbedvivvvlvkao9cb83bbaocwf9cb83bbxlkaocbaiRbdai8Xbb9c:c:qj:bw9:9c:q;c1:I1e:d9c:b:c:e1z9:gh9cjjjjjz:dgg9qE86bbaoaicdfag9c8N1:NfgaRbbah9c8F1:Nc;:eGg8Jcr4a8JcFb0g8JE86beaocbaaa8JfgaRbbah9cjjjjjl:dgg9qE86bdaocbaaag9c8L1:NfgaRbbah9cjjjjjd:dgg9qE86biaocbaaag9c8K1:NfgaRbbah9cjjjjje:dgg9qE86blaocbaaag9c8J1:NfgaRbbah9cjjjj;ab:dgg9qE86bvaocbaaag9cg1:NfgaRbbah9cjjjja:dgg9qE86boaocbaaag9ch1:NfgaRbbah9cjjjjz:dgh9qE86braocbaaah9ca1:NfgaRbbai8Xbe9c:c:qj:bw9:9c:q;c1:I1e:d9c:b:c:e1z9:gh9cjjjjjz:dgg9qE86bwaoaaag9c8N1:NfgiRbbah9c8F1:Nc;:eGgacr4aacFb0gaE86bDaocbaiaafgiRbbah9cjjjjjl:dgg9qE86bqaocbaiag9c8L1:NfgiRbbah9cjjjjjd:dgg9qE86bkaocbaiag9c8K1:NfgiRbbah9cjjjjje:dgg9qE86bxaocbaiag9c8J1:NfgiRbbah9cjjjj;ab:dgg9qE86bmaocbaiag9cg1:NfgiRbbah9cjjjja:dgg9qE86bPaocbaiag9ch1:NfgiRbbah9cjjjjz:dgh9qE86bsaiah9ca1: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;cbfh5cbh3aYh8Fina8ERbbhra8FhoaAhqcbhlinaoa5alfRbbgace4cbaaceG9R7arfgr86bbaoadfhoalcefhlaqcufgqmbka8Fcefh8Fa8Ecefh8Ea5aAfh5a3cefg3cl9hmbxikkaATmeazaKfh8Eazcj;cbfhrcbhoceh8FinaYaofhla8E8VbbhqaAhacbhoinalaraoaAffRbbcwtaraofRbbg5Vc;:FiGce4cba5ceG9R7aqfgq87bbaladfhlaocefhoaacufgambkcdhoa8Ecdfh8EaraQfhra8FceGhlcbh8FalmbxdkkaATmbcbaocl49Rh8FazaKfRbbhqcwhoa8AhlinalRbbaotaqVhqalcefhlaocwfgoca9hmbkcbh5aYh8Einazcj;cbfa5fgaRbbhrcehocwhlinaaaoaA2fRbbaltarVhraocefhoalcwfglca9hmbkara8F93aq7hqcbhoa8Ehlinalaqao486bbalcefhlaocwfgoca9hmbka8Eadfh8Ea5cefg5aA9hmbkkaYclfhYa8Aclfh8AaKclfgKad6mbkaXazcjdfaAad2z1jjjb8AazazcjdfaAcufad2fadz1jjjb8AaAaOfhOaihxaimbkc9:hoxdkcbc99aPax9RakSEhoxekc9:hokavcj;kbf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBd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// embed! base
 	var wasm_simd =
-		'b9H79TebbbeKl9Gbb9Gvuuuuueu9Giuuub9Geueuikqbbebeedddilve9Weeeviebeoweuec:q:6dkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbdY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVblE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtboK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbrL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbwl79IV9RbDq:p9sqlbzik9:evu8Jjjjjbcz9Rhbcbheincbhdcbhiinabcwfadfaicjuaead4ceGglE86bbaialfhiadcefgdcw9hmbkaec:q:yjjbfai86bbaecitc:q1jjbfab8Piw83ibaecefgecjd9hmbkk:N8JlHud97euo978Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Rad;8qbbcj;abad9UhlaicefhodnaeTmbadTmbalc;WFbGglcjdalcjd6EhwcbhDinawaeaD9RaDawfae6Egqcsfglc9WGgkci2hxakcethmalcl4cifcd4hPabaDad2fhsakc;ab6hzcbhHincbhOaohAdndninaraA9RaP6meavcj;cbfaOak2fhCaAaPfhocbhidnazmbarao9Rc;Gb6mbcbhlinaCalfhidndndndndnaAalco4fRbbgXciGPlbedibkaipxbbbbbbbbbbbbbbbbpklbxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklbaoczfhokdndndndndnaXcd4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklzxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklzaoczfhokdndndndndnaXcl4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklaxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklaaoczfhokdndndndndnaXco4Plbedibkaipxbbbbbbbbbbbbbbbbpkl8WxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaoclfaYpQbfaXc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaocwfaYpQbfaXc:q:yjjbfRbbfhoxekaiaopbbbpkl8Waoczfhokalc;abfhialcjefak0meaihlarao9Rc;Fb0mbkkdnaiak9pmbaici4hlinarao9RcK6miaCaifhXdndndndndnaAaico4fRbbalcoG4ciGPlbedibkaXpxbbbbbbbbbbbbbbbbpkbbxikaXaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaXaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaXaopbbbpkbbaoczfhokalcdfhlaiczfgiak6mbkkaoTmeaohAaOcefgOclSmdxbkkc9:hoxlkdnakTmbavcjdfaHfhiavaHfpbdbhYcbhXinaiavcj;cbfaXfglpblbgLcep9TaLpxeeeeeeeeeeeeeeeegQp9op9Hp9rgLalakfpblbg8Acep9Ta8AaQp9op9Hp9rg8ApmbzeHdOiAlCvXoQrLgEalamfpblbg3cep9Ta3aQp9op9Hp9rg3alaxfpblbg5cep9Ta5aQp9op9Hp9rg5pmbzeHdOiAlCvXoQrLg8EpmbezHdiOAlvCXorQLgQaQpmbedibedibedibediaYp9UgYp9AdbbaiadfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfglaYaEa8EpmwDKYqk8AExm35Ps8E8FgQaQpmbedibedibedibedip9UgYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfglaYaLa8ApmwKDYq8AkEx3m5P8Es8FgLa3a5pmwKDYq8AkEx3m5P8Es8Fg8ApmbezHdiOAlvCXorQLgQaQpmbedibedibedibedi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// embed! simd
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// embed! simd
 
 	var detector = new Uint8Array([
 		0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 3, 2, 0, 0, 5, 3, 1, 0, 1, 12, 1, 0, 10, 22, 2, 12, 0, 65, 0, 65, 0, 65, 0, 252, 10, 0, 0,
diff --git a/js/meshopt_encoder.js b/js/meshopt_encoder.js
index 4626f83cf5..8c5937da93 100644
--- a/js/meshopt_encoder.js
+++ b/js/meshopt_encoder.js
@@ -5,7 +5,7 @@ var MeshoptEncoder = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.22
 	var wasm =
-		'b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G:Qdkr;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;A9pLdbk;QqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;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;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcetcuftcu7:Yhvdndncuaicuftcu7:YgoJbbbZMgr:lJbbb9p9DTmbar:Ohwxekcjjjj94hwkcbhicbhDinalclfIdbgrJbbbbJbbjZalIdbgq:lar:lMalcwfIdbgk:lMgr:varJbbbb9BEgrNhxaqarNhrdndnakJbbbb9GTmbaxhqxekJbbjZar:l:tgqaq:maxJbbbb9GEhqJbbjZax:l:tgxax:marJbbbb9GEhrkdndnalcxfIdbgxJbbj:;axJbbj:;9GEgkJbbjZakJbbjZ9FEavNJbbbZJbbb:;axJbbbb9GEMgx:lJbbb9p9DTmbax:Ohmxekcjjjj94hmkdndnaqJbbj:;aqJbbj:;9GEgxJbbjZaxJbbjZ9FEaoNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:OhPxekcjjjj94hPkdndnarJbbj:;arJbbj:;9GEgqJbbjZaqJbbjZ9FEaoNJbbbZJbbb:;arJbbbb9GEMgr:lJbbb9p9DTmbar:Ohsxekcjjjj94hskdndnadcl9hmbabaifgzas86bbazcifam86bbazcdfaw86bbazcefaP86bbxekabaDfgzas87ebazcofam87ebazclfaw87ebazcdfaP87ebkalczfhlaiclfhiaDcwfhDaecufgembkkk;hlld99eud99eudnaeTmbdndncuaicuftcu7:YgvJbbbZMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikaic;8FiGhrinabcofcicdalclfIdb:lalIdb:l9EgialcwfIdb:lalaicdtfIdb:l9EEgialcxfIdb:lalaicdtfIdb:l9EEgiarV87ebdndnJbbj:;JbbjZalaicdtfIdbJbbbb9DEgoalaicd7cdtfIdbJ;Zl:1ZNNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabcdfaq87ebdndnalaicefciGcdtfIdbJ;Zl:1ZNaoNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabaq87ebdndnaoalaicufciGcdtfIdbJ;Zl:1ZNNgoJbbj:;aoJbbj:;9GEgwJbbjZawJbbjZ9FEavNJbbbZJbbb:;aoJbbbb9GEMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikabclfai87ebabcwfhbalczfhlaecufgembkkk;3viDue99eu8Jjjjjbcjd9Rgo8Kjjjjbadcd4hrdndndndnavcd9hmbadcl6meaohwarhDinawc:CuBdbawclfhwaDcufgDmbkaeTmiadcl6mdarcdthqalhkcbhxinaohwakhDarhminawawydbgPcbaDIdbgs:8cL4cFeGc:cufasJbbbb9BEgzaPaz9kEBdbaDclfhDawclfhwamcufgmmbkakaqfhkaxcefgxaeSmixbkkaeTmdxekaeTmekarcdthkavce9hhqadcl6hdcbhxindndndnaqmbadmdc:CuhDalhwarhminaDcbawIdbgs:8cL4cFeGc:cufasJbbbb9BEgPaDaP9kEhDawclfhwamcufgmmbxdkkc:CuhDdndnavPleddbdkadmdaohwalhmarhPinawcbamIdbgs:8cL4cFeGgzc;:bazc;:b9kEc:cufasJbbbb9BEBdbamclfhmawclfhwaPcufgPmbxdkkadmecbhwarhminaoawfcbalawfIdbgs:8cL4cFeGgPc8AaPc8A9kEc:cufasJbbbb9BEBdbawclfhwamcufgmmbkkadmbcbhwarhPinaDhmdnavceSmbaoawfydbhmkdndnalawfIdbgscjjj;8iamai9RcefgmcLt9R::NJbbbZJbbb:;asJbbbb9GEMgs:lJbbb9p9DTmbas:Ohzxekcjjjj94hzkabawfazcFFFrGamcKtVBdbawclfhwaPcufgPmbkkabakfhbalakfhlaxcefgxae9hmbkkaocjdf8Kjjjjbk;HqdCui998Jjjjjbc:qd9Rgv8Kjjjjbavc:Sefcbc;KbzNjjjb8AcbhodnadTmbcbhoaiTmbdnabae9hmbavcuadcdtgradcFFFFi0Ecbyd:m:kjjbHjjjjbbgeBd:SeavceBd:mdaeabarz:tjjjb8Akavc:GefcwfcbBdbav9cb83i:Geavc:Gefaeadaiavc:Sefz:njjjbavyd:Gehwadci9UgDcbyd:m:kjjbHjjjjbbhravc:Sefavyd:mdgqcdtfarBdbavaqcefgkBd:mdarcbaDzNjjjbhxavc:SefakcdtfcuaicdtaicFFFFi0Ecbyd:m:kjjbHjjjjbbgmBdbavaqcdfgPBd:mdawhramhkinakalIdbalarydbgscwascw6Ecdtfc;ebfIdbMUdbarclfhrakclfhkaicufgimbkavc:SefaPcdtfcuaDcdtadcFFFF970Ecbyd:m:kjjbHjjjjbbgPBdbdnadci6mbaehraPhkaDhiinakamarydbcdtfIdbamarclfydbcdtfIdbMamarcwfydbcdtfIdbMUdbarcxfhrakclfhkaicufgimbkkaqcifhoavc;qbfhzavhravyd:KehHavyd:OehOcbhscbhkcbhAcehCinarhXcihQaeakci2gLcdtfgrydbhdarclfydbhqabaAcx2fgicwfarcwfydbgKBdbaiclfaqBdbaiadBdbaxakfce86bbazaKBdwazaqBdlazadBdbaPakcdtfcbBdbdnasTmbcihQaXhiinazaQcdtfaiydbgrBdbaQaraK9harad9haraq9hGGfhQaiclfhiascufgsmbkkaAcefhAcbhsinaOaHaeasaLfcdtfydbcdtgifydbcdtfgKhrawaifgqydbgdhidnadTmbdninarydbakSmearclfhraicufgiTmdxbkkaraKadcdtfc98fydbBdbaqaqydbcufBdbkascefgsci9hmbkdndnaQTmbcuhkJbbbbhYcbhqavyd:KehKavyd:OehLindndnawazaqcdtfydbcdtgsfydbgrmbaqcefhqxekaqcs0hiamasfgdIdbh8AadalcbaqcefgqaiEcdtfIdbalarcwarcw6Ecdtfc;ebfIdbMgEUdbaEa8A:thEarcdthiaLaKasfydbcdtfhrinaParydbgscdtfgdaEadIdbMg8AUdba8AaYaYa8A9DgdEhYasakadEhkarclfhraic98fgimbkkaqaQ9hmbkakcu9hmekaCaD9pmdindnaxaCfRbbmbaChkxdkaDaCcefgC9hmbxikkaQczaQcz6EhsazhraXhzakcu9hmbkkaocdtavc:Seffc98fhrdninaoTmearydbcbyd1:kjjbH:bjjjbbarc98fhraocufhoxbkkavc:qdf8Kjjjjbk;IlevucuaicdtgvaicFFFFi0Egocbyd:m:kjjbHjjjjbbhralalyd9GgwcdtfarBdbalawcefBd9GabarBdbaocbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdlcuadcdtadcFFFFi0Ecbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdwabydbcbavzNjjjb8Aadci9UhDdnadTmbabydbhoaehladhrinaoalydbcdtfgvavydbcefBdbalclfhlarcufgrmbkkdnaiTmbabydbhlabydlhrcbhvaihoinaravBdbarclfhralydbavfhvalclfhlaocufgombkkdnadci6mbabydlhrabydwhvcbhlinaecwfydbhoaeclfydbhdaraeydbcdtfgwawydbgwcefBdbavawcdtfalBdbaradcdtfgdadydbgdcefBdbavadcdtfalBdbaraocdtfgoaoydbgocefBdbavaocdtfalBdbaecxfheaDalcefgl9hmbkkdnaiTmbabydlheabydbhlinaeaeydbalydb9RBdbalclfhlaeclfheaicufgimbkkkQbabaeadaic:01jjbz:mjjjbkQbabaeadaic:C:jjjbz:mjjjbk9DeeuabcFeaicdtzNjjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk;Wkivuo99lu8Jjjjjbc;W;Gb9Rgl8Kjjjjbcbhvalcj;Gbfcbc;KbzNjjjb8AalcuadcdtadcFFFFi0Egocbyd:m:kjjbHjjjjbbgrBdj9GalceBd;G9GalcFFF;7rBdwal9cFFF;7;3FF:;Fb83dbalcFFF97Bd;S9Gal9cFFF;7FFF:;u83d;K9Gaicd4hwdndnadmbJFFuFhDJFFuuhqJFFuuhkJFFuFhxJFFuuhmJFFuFhPxekawcdthsaehzincbhiinalaifgHazaifIdbgDaHIdbgxaxaD9EEUdbalc;K;GbfaifgHaDaHIdbgxaxaD9DEUdbaiclfgicx9hmbkazasfhzavcefgvad9hmbkalIdwhqalId;S9GhDalIdlhkalId;O9GhxalIdbhmalId;K9GhPkdndnadTmbJbbbbJbbjZJbbbbaPam:tgPaPJbbbb9DEgPaxak:tgxaxaP9DEgxaDaq:tgDaDax9DEgD:vaDJbbbb9BEhDawcdthsarhHadhzindndnaDaeIdbam:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2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// embed! wasm
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i9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;a:kjjbfgdBd;a:kjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akkk;sddbcjwk:0dbbbbdbbblbbbwbbbbbbbebbbdbbblbbbwbbbbbbbbbbbbbbbb4:h9w9N94:P:gW:j9O:ye9Pbbbbbbebbbdbbbebbbdbbbbbbbdbbbbbbbebbbbbbb:l29hZ;69:9kZ;N;76Z;rg97Z;z;o9xZ8J;B85Z;:;u9yZ;b;k9HZ:2;Z9DZ9e:l9mZ59A8KZ:r;T3Z:A:zYZ79OHZ;j4::8::Y:D9V8:bbbb9s:49:Z8R:hBZ9M9M;M8:L;z;o8:;8:PG89q;x:J878R:hQ8::M:B;e87bbbbbbjZbbjZbbjZ:E;V;N8::Y:DsZ9i;H;68:xd;R8:;h0838:;W:NoZbbbb:WV9O8:uf888:9i;H;68:9c9G;L89;n;m9m89;D8Ko8:bbbbf:8tZ9m836ZS:2AZL;zPZZ818EZ9e:lxZ;U98F8:819E;68:bc:0qkzebbbebbbdbbb9q:vbb'; // embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
diff --git a/js/meshopt_encoder.module.js b/js/meshopt_encoder.module.js
index ceacebd045..a8ac15178a 100644
--- a/js/meshopt_encoder.module.js
+++ b/js/meshopt_encoder.module.js
@@ -4,7 +4,7 @@ var MeshoptEncoder = (function () {
 	// Built with clang version 18.1.2
 	// Built from meshoptimizer 0.22
 	var wasm =
-		'b9H79TebbbeJq9Geueu9Geub9Gbb9Gvuuuuueu9Gduueu9Gluuuueu9Gvuuuuub9Gouuuuuub9Gluuuub9GiuuueuiKLdilevlevlooroowwvwbDDbelve9Weiiviebeoweuec:G:Qdkr;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;A9pLdbk;QqeKu8Jjjjjbcjo9Rgv8Kjjjjbcbhodnalcefae0mbabcbRbN:kjjbc:GeV86bbavcjdfcbcjdzNjjjb8AdnaiTmbavcjdfadalz:tjjjb8Akabaefhrabcefhwavalfcbcbcjdal9RalcFe0EzNjjjb8Aavavcjdfalz:tjjjbhDcj;abal9Uc;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;: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:tjjjbalfab9RhoxdkaDaPaxcufal2falz:tjjjb8Aaxakfhkawmbkcbhokavcjof8Kjjjjbaok9heeuaecaaeca0Eabcj;abae9Uc;WFbGgdcjdadcjd6Egdfcufad9Uae2adcl4cifcd4adV2fcefkmbcbabBdN:kjjbk:zse5u8Jjjjjbc;ae9Rgl8Kjjjjbcbhvdnaici9UgocHfae0mbabcbyd:e:kjjbgrc;GeV86bbalc;abfcFecjezNjjjb8AalcUfgw9cu83ibalc8WfgD9cu83ibalcyfgq9cu83ibalcafgk9cu83ibalcKfgx9cu83ibalczfgm9cu83ibal9cu83iwal9cu83ibabaefc9WfhPabcefgsaofhednaiTmbcmcsarcb9kgzEhHcbhOcbhAcbhCcbhXcbhQindnaeaP9nmbcbhvxikaQcufhvadaCcdtfgLydbhKaLcwfydbhYaLclfydbh8AcbhEdndndninalc;abfavcsGcitfgoydlh3dndndnaoydbgoaK9hmba3a8ASmekdnaoa8A9hmba3aY9hmbaEcefhExekaoaY9hmea3aK9hmeaEcdfhEkaEc870mdaXcufhvaLaEciGcx2goc:y1jjbfydbcdtfydbh3aLaocN1jjbfydbcdtfydbh8AaLaoc:q1jjbfydbcdtfydbhKcbhodnindnalavcsGcdtfydba39hmbaohYxdkcuhYavcufhvaocefgocz9hmbkkaOa3aOSgvaYce9iaYaH9oVgoGfhOdndndncbcsavEaYaoEgvcs9hmbarce9imba3a3aAa3cefaASgvEgAcefSmecmcsavEhvkasavaEcdtc;WeGV86bbavcs9hmea3aA9Rgvcetavc8F917hvinaeavcFb0crtavcFbGV86bbaecefheavcje6hoavcr4hvaoTmbka3hAxvkcPhvasaEcdtcPV86bba3hAkavTmiavaH9omicdhocehEaQhYxlkavcufhvaEclfgEc;ab9hmbkkdnaLceaYaOSceta8AaOSEcx2gvc:q1jjbfydbcdtfydbgKTaLavcN1jjbfydbcdtfydbg8AceSGaLavc:y1jjbfydbcdtfydbg3cdSGaOcb9hGazGg5ce9hmbaw9cu83ibaD9cu83ibaq9cu83ibak9cu83ibax9cu83ibam9cu83ibal9cu83iwal9cu83ibcbhOkcbhEaXcufgvhodnindnalaocsGcdtfydba8A9hmbaEhYxdkcuhYaocufhoaEcefgEcz9hmbkkcbhodnindnalavcsGcdtfydba39hmbaohExdkcuhEavcufhvaocefgocz9hmbkkaOaKaOSg8EfhLdndnaYcm0mbaYcefhYxekcbcsa8AaLSgvEhYaLavfhLkdndnaEcm0mbaEcefhExekcbcsa3aLSgvEhEaLavfhLkc9:cua8EEh8FcbhvaEaYcltVgacFeGhodndndninavcj1jjbfRbbaoSmeavcefgvcz9hmbxdkka5aKaO9havcm0VVmbasavc;WeV86bbxekasa8F86bbaeaa86bbaecefhekdna8EmbaKaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombkaKhAkdnaYcs9hmba8AaA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka8AhAkdnaEcs9hmba3aA9Rgvcetavc8F917hvinaeavcFb0gocrtavcFbGV86bbavcr4hvaecefheaombka3hAkalaXcdtfaKBdbaXcefcsGhvdndnaYPzbeeeeeeeeeeeeeebekalavcdtfa8ABdbaXcdfcsGhvkdndnaEPzbeeeeeeeeeeeeeebekalavcdtfa3BdbavcefcsGhvkcihoalc;abfaQcitfgEaKBdlaEa8ABdbaQcefcsGhYcdhEavhXaLhOxekcdhoalaXcdtfa3BdbcehEaXcefcsGhXaQhYkalc;abfaYcitfgva8ABdlava3Bdbalc;abfaQaEfcsGcitfgva3BdlavaKBdbascefhsaQaofcsGhQaCcifgCai6mbkkcbhvaeaP0mbcbhvinaeavfavcj1jjbfRbb86bbavcefgvcz9hmbkaeab9Ravfhvkalc;aef8KjjjjbavkZeeucbhddninadcefgdc8F0meceadtae6mbkkadcrfcFeGcr9Uci2cdfabci9U2cHfkmbcbabBd:e:kjjbk:ydewu8Jjjjjbcz9Rhlcbhvdnaicvfae0mbcbhvabcbRb:e:kjjbc;qeV86bbal9cb83iwabcefhoabaefc98fhrdnaiTmbcbhwcbhDindnaoar6mbcbskadaDcdtfydbgqalcwfawaqav9Rgvavc8F91gv7av9Rc507gwcdtfgkydb9Rgvc8E91c9:Gavcdt7awVhvinaoavcFb0gecrtavcFbGV86bbavcr4hvaocefhoaembkakaqBdbaqhvaDcefgDai9hmbkkcbhvaoar0mbaocbBbbaoab9RclfhvkavkBeeucbhddninadcefgdc8F0meceadtae6mbkkadcwfcFeGcr9Uab2cvfk:bvli99dui99ludnaeTmbcuadcetcuftcu7:Yhvdndncuaicuftcu7:YgoJbbbZMgr:lJbbb9p9DTmbar:Ohwxekcjjjj94hwkcbhicbhDinalclfIdbgrJbbbbJbbjZalIdbgq:lar:lMalcwfIdbgk:lMgr:varJbbbb9BEgrNhxaqarNhrdndnakJbbbb9GTmbaxhqxekJbbjZar:l:tgqaq:maxJbbbb9GEhqJbbjZax:l:tgxax:marJbbbb9GEhrkdndnalcxfIdbgxJbbj:;axJbbj:;9GEgkJbbjZakJbbjZ9FEavNJbbbZJbbb:;axJbbbb9GEMgx:lJbbb9p9DTmbax:Ohmxekcjjjj94hmkdndnaqJbbj:;aqJbbj:;9GEgxJbbjZaxJbbjZ9FEaoNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:OhPxekcjjjj94hPkdndnarJbbj:;arJbbj:;9GEgqJbbjZaqJbbjZ9FEaoNJbbbZJbbb:;arJbbbb9GEMgr:lJbbb9p9DTmbar:Ohsxekcjjjj94hskdndnadcl9hmbabaifgzas86bbazcifam86bbazcdfaw86bbazcefaP86bbxekabaDfgzas87ebazcofam87ebazclfaw87ebazcdfaP87ebkalczfhlaiclfhiaDcwfhDaecufgembkkk;hlld99eud99eudnaeTmbdndncuaicuftcu7:YgvJbbbZMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikaic;8FiGhrinabcofcicdalclfIdb:lalIdb:l9EgialcwfIdb:lalaicdtfIdb:l9EEgialcxfIdb:lalaicdtfIdb:l9EEgiarV87ebdndnJbbj:;JbbjZalaicdtfIdbJbbbb9DEgoalaicd7cdtfIdbJ;Zl:1ZNNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabcdfaq87ebdndnalaicefciGcdtfIdbJ;Zl:1ZNaoNgwJbbj:;awJbbj:;9GEgDJbbjZaDJbbjZ9FEavNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohqxekcjjjj94hqkabaq87ebdndnaoalaicufciGcdtfIdbJ;Zl:1ZNNgoJbbj:;aoJbbj:;9GEgwJbbjZawJbbjZ9FEavNJbbbZJbbb:;aoJbbbb9GEMgo:lJbbb9p9DTmbao:Ohixekcjjjj94hikabclfai87ebabcwfhbalczfhlaecufgembkkk;3viDue99eu8Jjjjjbcjd9Rgo8Kjjjjbadcd4hrdndndndnavcd9hmbadcl6meaohwarhDinawc:CuBdbawclfhwaDcufgDmbkaeTmiadcl6mdarcdthqalhkcbhxinaohwakhDarhminawawydbgPcbaDIdbgs:8cL4cFeGc:cufasJbbbb9BEgzaPaz9kEBdbaDclfhDawclfhwamcufgmmbkakaqfhkaxcefgxaeSmixbkkaeTmdxekaeTmekarcdthkavce9hhqadcl6hdcbhxindndndnaqmbadmdc:CuhDalhwarhminaDcbawIdbgs:8cL4cFeGc:cufasJbbbb9BEgPaDaP9kEhDawclfhwamcufgmmbxdkkc:CuhDdndnavPleddbdkadmdaohwalhmarhPinawcbamIdbgs:8cL4cFeGgzc;:bazc;:b9kEc:cufasJbbbb9BEBdbamclfhmawclfhwaPcufgPmbxdkkadmecbhwarhminaoawfcbalawfIdbgs:8cL4cFeGgPc8AaPc8A9kEc:cufasJbbbb9BEBdbawclfhwamcufgmmbkkadmbcbhwarhPinaDhmdnavceSmbaoawfydbhmkdndnalawfIdbgscjjj;8iamai9RcefgmcLt9R::NJbbbZJbbb:;asJbbbb9GEMgs:lJbbb9p9DTmbas:Ohzxekcjjjj94hzkabawfazcFFFrGamcKtVBdbawclfhwaPcufgPmbkkabakfhbalakfhlaxcefgxae9hmbkkaocjdf8Kjjjjbk;HqdCui998Jjjjjbc:qd9Rgv8Kjjjjbavc:Sefcbc;KbzNjjjb8AcbhodnadTmbcbhoaiTmbdnabae9hmbavcuadcdtgradcFFFFi0Ecbyd:m:kjjbHjjjjbbgeBd:SeavceBd:mdaeabarz:tjjjb8Akavc:GefcwfcbBdbav9cb83i:Geavc:Gefaeadaiavc:Sefz:njjjbavyd:Gehwadci9UgDcbyd:m:kjjbHjjjjbbhravc:Sefavyd:mdgqcdtfarBdbavaqcefgkBd:mdarcbaDzNjjjbhxavc:SefakcdtfcuaicdtaicFFFFi0Ecbyd:m:kjjbHjjjjbbgmBdbavaqcdfgPBd:mdawhramhkinakalIdbalarydbgscwascw6Ecdtfc;ebfIdbMUdbarclfhrakclfhkaicufgimbkavc:SefaPcdtfcuaDcdtadcFFFF970Ecbyd:m:kjjbHjjjjbbgPBdbdnadci6mbaehraPhkaDhiinakamarydbcdtfIdbamarclfydbcdtfIdbMamarcwfydbcdtfIdbMUdbarcxfhrakclfhkaicufgimbkkaqcifhoavc;qbfhzavhravyd:KehHavyd:OehOcbhscbhkcbhAcehCinarhXcihQaeakci2gLcdtfgrydbhdarclfydbhqabaAcx2fgicwfarcwfydbgKBdbaiclfaqBdbaiadBdbaxakfce86bbazaKBdwazaqBdlazadBdbaPakcdtfcbBdbdnasTmbcihQaXhiinazaQcdtfaiydbgrBdbaQaraK9harad9haraq9hGGfhQaiclfhiascufgsmbkkaAcefhAcbhsinaOaHaeasaLfcdtfydbcdtgifydbcdtfgKhrawaifgqydbgdhidnadTmbdninarydbakSmearclfhraicufgiTmdxbkkaraKadcdtfc98fydbBdbaqaqydbcufBdbkascefgsci9hmbkdndnaQTmbcuhkJbbbbhYcbhqavyd:KehKavyd:OehLindndnawazaqcdtfydbcdtgsfydbgrmbaqcefhqxekaqcs0hiamasfgdIdbh8AadalcbaqcefgqaiEcdtfIdbalarcwarcw6Ecdtfc;ebfIdbMgEUdbaEa8A:thEarcdthiaLaKasfydbcdtfhrinaParydbgscdtfgdaEadIdbMg8AUdba8AaYaYa8A9DgdEhYasakadEhkarclfhraic98fgimbkkaqaQ9hmbkakcu9hmekaCaD9pmdindnaxaCfRbbmbaChkxdkaDaCcefgC9hmbxikkaQczaQcz6EhsazhraXhzakcu9hmbkkaocdtavc:Seffc98fhrdninaoTmearydbcbyd1:kjjbH:bjjjbbarc98fhraocufhoxbkkavc:qdf8Kjjjjbk;IlevucuaicdtgvaicFFFFi0Egocbyd:m:kjjbHjjjjbbhralalyd9GgwcdtfarBdbalawcefBd9GabarBdbaocbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdlcuadcdtadcFFFFi0Ecbyd:m:kjjbHjjjjbbhralalyd9GgocdtfarBdbalaocefBd9GabarBdwabydbcbavzNjjjb8Aadci9UhDdnadTmbabydbhoaehladhrinaoalydbcdtfgvavydbcefBdbalclfhlarcufgrmbkkdnaiTmbabydbhlabydlhrcbhvaihoinaravBdbarclfhralydbavfhvalclfhlaocufgombkkdnadci6mbabydlhrabydwhvcbhlinaecwfydbhoaeclfydbhdaraeydbcdtfgwawydbgwcefBdbavawcdtfalBdbaradcdtfgdadydbgdcefBdbavadcdtfalBdbaraocdtfgoaoydbgocefBdbavaocdtfalBdbaecxfheaDalcefgl9hmbkkdnaiTmbabydlheabydbhlinaeaeydbalydb9RBdbalclfhlaeclfheaicufgimbkkkQbabaeadaic:01jjbz:mjjjbkQbabaeadaic:C:jjjbz:mjjjbk9DeeuabcFeaicdtzNjjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk;Wkivuo99lu8Jjjjjbc;W;Gb9Rgl8Kjjjjbcbhvalcj;Gbfcbc;KbzNjjjb8AalcuadcdtadcFFFFi0Egocbyd:m:kjjbHjjjjbbgrBdj9GalceBd;G9GalcFFF;7rBdwal9cFFF;7;3FF:;Fb83dbalcFFF97Bd;S9Gal9cFFF;7FFF:;u83d;K9Gaicd4hwdndnadmbJFFuFhDJFFuuhqJFFuuhkJFFuFhxJFFuuhmJFFuFhPxekawcdthsaehzincbhiinalaifgHazaifIdbgDaHIdbgxaxaD9EEUdbalc;K;GbfaifgHaDaHIdbgxaxaD9DEUdbaiclfgicx9hmbkazasfhzavcefgvad9hmbkalIdwhqalId;S9GhDalIdlhkalId;O9GhxalIdbhmalId;K9GhPkdndnadTmbJbbbbJbbjZJbbbbaPam:tgPaPJbbbb9DEgPaxak:tgxaxaP9DEgxaDaq:tgDaDax9DEgD:vaDJbbbb9BEhDawcdthsarhHadhzindndnaDaeIdbam:tNJb;au9eNJbbbZMgx:lJbbb9p9DTmbax:Ohixekcjjjj94hikaicztaicwtcj;GiGVaicsGVc:p;G:dKGcH2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// embed! wasm
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i9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd;a:kjjbfgdBd;a:kjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akkk;sddbcjwk:0dbbbbdbbblbbbwbbbbbbbebbbdbbblbbbwbbbbbbbbbbbbbbbb4:h9w9N94:P:gW:j9O:ye9Pbbbbbbebbbdbbbebbbdbbbbbbbdbbbbbbbebbbbbbb:l29hZ;69:9kZ;N;76Z;rg97Z;z;o9xZ8J;B85Z;:;u9yZ;b;k9HZ:2;Z9DZ9e:l9mZ59A8KZ:r;T3Z:A:zYZ79OHZ;j4::8::Y:D9V8:bbbb9s:49:Z8R:hBZ9M9M;M8:L;z;o8:;8:PG89q;x:J878R:hQ8::M:B;e87bbbbbbjZbbjZbbjZ:E;V;N8::Y:DsZ9i;H;68:xd;R8:;h0838:;W:NoZbbbb:WV9O8:uf888:9i;H;68:9c9G;L89;n;m9m89;D8Ko8:bbbbf:8tZ9m836ZS:2AZL;zPZZ818EZ9e:lxZ;U98F8:819E;68:bc:0qkzebbbebbbdbbb9q:vbb'; // embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,

From 8528d655036c851b8228e98edd5b78a75fa27024 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 30 Dec 2024 08:54:53 -0800
Subject: [PATCH 528/581] Update README.md

Add some details about v1 encoding.
---
 README.md | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 07a6791fdb..bddb66224b 100644
--- a/README.md
+++ b/README.md
@@ -177,7 +177,11 @@ assert(resvb == 0 && resib == 0);
 
 Note that vertex encoding assumes that vertex buffer was optimized for vertex fetch, and that vertices are quantized; index encoding assumes that the vertex/index buffers were optimized for vertex cache and vertex fetch. Feeding unoptimized data into the encoders will produce poor compression ratios. Both codecs are lossless - the only lossy step is quantization that happens before encoding.
 
-Decoding functions are heavily optimized and can directly target write-combined memory; you can expect both decoders to run at 1-3 GB/s on modern desktop CPUs. Compression ratios depend on the data; vertex data compression ratio is typically around 2-4x (compared to already quantized data), index data compression ratio is around 5-6x (compared to raw 16-bit index data). General purpose lossless compressors can further improve on these results.
+Decoding functions are heavily optimized and can directly target write-combined memory; you can expect both decoders to run at 3-5 GB/s on modern desktop CPUs. Compression ratios depend on the data; vertex data compression ratio is typically around 2-4x (compared to already quantized data), index data compression ratio is around 5-6x (compared to raw 16-bit index data). General purpose lossless compressors can further improve on these results.
+
+For additional improvements in compression ratio and decoding performance, it is recommended to switch to vertex codec v1 (via `meshopt_encodeVertexVersion(1)`). This will result in smaller outputs that decode faster, and provide additional control over compression level - `meshopt_encodeVertexBuffer` will use compression level 2 by default, but using `meshopt_encodeVertexBufferLevel` allows to improve compression in certain cases by using level 3, or to reduce compression ratio and improve encoding speed by using level 1. Note that v1 format requires meshoptimizer v0.23 or later for decoding.
+
+When data is bit packed, using v1 vertex codec (via `meshopt_encodeVertexVersion(1)`) and specifying compression level 3 (`meshopt_encodeVertexBufferLevel`) can improve the compression further by redistributing bits between components.
 
 Index buffer codec only supports triangle list topology; when encoding triangle strips or line lists, use `meshopt_encodeIndexSequence`/`meshopt_decodeIndexSequence` instead. This codec typically encodes indices into ~1 byte per index, but compressing the results further with a general purpose compressor can improve the results to 1-3 bits per index.
 
@@ -237,7 +241,7 @@ For optimal compression results, the values must be quantized to small integers.
 For single-precision floating-point data, it's recommended to use `meshopt_quantizeFloat` to remove entropy from the lower bits of the mantissa. Due to current limitations of the codec, the bit count needs to be 15 (23-8) for good results (7 can be used for more extreme compression).
 For normal or tangent vectors, using octahedral encoding is recommended over three components as it reduces redundancy. Similarly to other quantized values, consider using 10-12 bits per component instead of 16.
 
-> Note: vertex codec v0 is limited to taking advantage of redundancy in high bits of each byte. Because of this, packing multiple 10-bit values into 32 bits will reduce compression ratio, and when storing a 12-bit value in 16 bits, high bits should be zeroed out. This limitation may be lifted in future versions of the codec.
+When data is bit packed, using v1 vertex codec (via `meshopt_encodeVertexVersion(1)`) and specifying compression level 3 (`meshopt_encodeVertexBufferLevel`) can improve the compression further by redistributing bits between components.
 
 To further leverage the inherent structure of some data, the preparation stage can use filters that encode and decode the data in a lossy manner. This is similar to quantization but can be used without having to change the shader code. After decoding, the filter transformation needs to be reversed. This library provides three filters:
 

From 2796620f205cdcf7273560a17782b987f78adcad Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 1 Jan 2025 08:10:28 -0800
Subject: [PATCH 529/581] Update README

Use unindexed_vertex_count in the remap example; this is the same when
there is no index buffer present originally, but is important when
reindexing a vertex/index buffer pair.

Fixes #827.
---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index bddb66224b..c93b862ddf 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,7 @@ First, generate a remap table from your existing vertex (and, optionally, index)
 ```c++
 size_t index_count = face_count * 3;
 size_t unindexed_vertex_count = face_count * 3;
-std::vector<unsigned int> remap(index_count); // allocate temporary memory for the remap table
+std::vector<unsigned int> remap(unindexed_vertex_count); // temporary remap table
 size_t vertex_count = meshopt_generateVertexRemap(&remap[0], NULL, index_count, &unindexed_vertices[0], unindexed_vertex_count, sizeof(Vertex));
 ```
 

From abcfe76a0cd8dbeb2bc94c59bcb9ba8ac526ff58 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 3 Jan 2025 07:54:27 -0800
Subject: [PATCH 530/581] vertexcodec: Remove redundant splat for first group

The contents of lanes 1-3 do not matter for any tN, so we can simply
copy the vector which saves an instruction. NEON was already applying
this optimization, but SSE/Wasm weren't.

Also change Wasm store to use store_lane; the compiler already
synthesized this instruction, but it's better to be explicit.
---
 src/vertexcodec.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 43019cb31c..8f53dfb21d 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1443,7 +1443,7 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 #define TEMP __m128i
 #define PREP() __m128i pi = _mm_cvtsi32_si128(*reinterpret_cast<const int*>(last_vertex))
 #define LOAD(i) __m128i r##i = _mm_loadu_si128(reinterpret_cast<const __m128i*>(buffer + j + i * vertex_count_aligned))
-#define GRP4(i) t0 = _mm_shuffle_epi32(r##i, 0), t1 = _mm_shuffle_epi32(r##i, 1), t2 = _mm_shuffle_epi32(r##i, 2), t3 = _mm_shuffle_epi32(r##i, 3)
+#define GRP4(i) t0 = r##i, t1 = _mm_shuffle_epi32(r##i, 1), t2 = _mm_shuffle_epi32(r##i, 2), t3 = _mm_shuffle_epi32(r##i, 3)
 #define FIXD(i) t##i = pi = Channel == 0 ? _mm_add_epi8(pi, t##i) : (Channel == 1 ? _mm_add_epi16(pi, t##i) : _mm_xor_si128(pi, t##i))
 #define SAVE(i) *reinterpret_cast<int*>(savep) = _mm_cvtsi128_si32(t##i), savep += vertex_size
 #endif
@@ -1461,9 +1461,9 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 #define TEMP v128_t
 #define PREP() v128_t pi = wasm_v128_load(last_vertex)
 #define LOAD(i) v128_t r##i = wasm_v128_load(buffer + j + i * vertex_count_aligned)
-#define GRP4(i) t0 = wasmx_splat_v32x4(r##i, 0), t1 = wasmx_splat_v32x4(r##i, 1), t2 = wasmx_splat_v32x4(r##i, 2), t3 = wasmx_splat_v32x4(r##i, 3)
+#define GRP4(i) t0 = r##i, t1 = wasmx_splat_v32x4(r##i, 1), t2 = wasmx_splat_v32x4(r##i, 2), t3 = wasmx_splat_v32x4(r##i, 3)
 #define FIXD(i) t##i = pi = Channel == 0 ? wasm_i8x16_add(pi, t##i) : (Channel == 1 ? wasm_i16x8_add(pi, t##i) : wasm_v128_xor(pi, t##i))
-#define SAVE(i) *reinterpret_cast<int*>(savep) = wasm_i32x4_extract_lane(t##i, 0), savep += vertex_size
+#define SAVE(i) wasm_v128_store32_lane(savep, t##i, 0), savep += vertex_size
 #endif
 
 #define UNZR(i) r##i = Channel == 0 ? unzigzag8(r##i) : (Channel == 1 ? unzigzag16(r##i) : rotate32(r##i, rot))

From c9baf04bd64cb0fa273aa09f1df034d222934c32 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 2 Jan 2025 18:35:20 -0800
Subject: [PATCH 531/581] vertexcodec: Implement a new parallel delta decoding
 scheme

Instead of using serialized delta processing, we can decode deltas
in groups of 4 in parallel, using available processor resources better
by removing the serial dependencies. This computes a prefix sum that
we then have to complete by doing a few serial additions.

For now this is only implemented for NEON; on Apple M2, this results
in ~20% end to end speedup for decoding, suggesting the deltas are
specifically faster. In future commits the rest of the code will
hopefully be reworked to match so that we can clean up the older code.

An alternative scheme is to do full 16-byte prefix sums, which also
requires fixup at the end, but also is harder to generalize to 16-bit
and 32-bit undelta. Fortunately that approach is also a little slower.
---
 src/vertexcodec.cpp | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 8f53dfb21d..5b7ad1aea9 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1349,6 +1349,21 @@ inline uint8x16_t rotate32(uint8x16_t v, int r)
 	uint32x4_t v32 = vreinterpretq_u32_u8(v);
 	return vreinterpretq_u8_u32(vorrq_u32(vshlq_u32(v32, vdupq_n_s32(r)), vshlq_u32(v32, vdupq_n_s32(r - 32))));
 }
+
+template <int Channel>
+SIMD_TARGET inline uint8x16_t undelta(uint8x16_t a, uint8x16_t b)
+{
+	return Channel == 0 ? vaddq_u8(a, b) : (Channel == 1 ? vreinterpretq_u8_u16(vaddq_u16(vreinterpretq_u16_u8(a), vreinterpretq_u16_u8(b))) : veorq_u8(a, b));
+}
+
+template <int Channel>
+SIMD_TARGET inline uint8x16_t undelta4(uint8x16_t v)
+{
+	uint8x16_t zero = vdupq_n_u8(0);
+	v = undelta<Channel>(v, vextq_u8(zero, v, 12));
+	v = undelta<Channel>(v, vextq_u8(zero, v, 8));
+	return v;
+}
 #endif
 
 #ifdef SIMD_WASM
@@ -1455,6 +1470,7 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 #define GRP4(i) t0 = vget_low_u8(r##i), t1 = vreinterpret_u8_u32(vdup_lane_u32(vreinterpret_u32_u8(t0), 1)), t2 = vget_high_u8(r##i), t3 = vreinterpret_u8_u32(vdup_lane_u32(vreinterpret_u32_u8(t2), 1))
 #define FIXD(i) t##i = pi = Channel == 0 ? vadd_u8(pi, t##i) : (Channel == 1 ? vreinterpret_u8_u16(vadd_u16(vreinterpret_u16_u8(pi), vreinterpret_u16_u8(t##i))) : veor_u8(pi, t##i))
 #define SAVE(i) vst1_lane_u32(reinterpret_cast<uint32_t*>(savep), vreinterpret_u32_u8(t##i), 0), savep += vertex_size
+#define STOR(i, l) vst1q_lane_u32(reinterpret_cast<uint32_t*>(savep), vreinterpretq_u32_u8(r##i), l), savep += vertex_size
 #endif
 
 #ifdef SIMD_WASM
@@ -1481,6 +1497,25 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 
 		transpose8(r0, r1, r2, r3);
 
+#if defined(SIMD_NEON)
+		UNZR(0), UNZR(1), UNZR(2), UNZR(3);
+
+		r0 = undelta4<Channel>(r0);
+		r1 = undelta4<Channel>(r1);
+		r2 = undelta4<Channel>(r2);
+		r3 = undelta4<Channel>(r3);
+
+		r0 = undelta<Channel>(r0, vdupq_lane_u32(vreinterpret_u32_u8(pi), 0));
+		r1 = undelta<Channel>(r1, vdupq_laneq_u32(vreinterpretq_u32_u8(r0), 3));
+		r2 = undelta<Channel>(r2, vdupq_laneq_u32(vreinterpretq_u32_u8(r1), 3));
+		r3 = undelta<Channel>(r3, vdupq_laneq_u32(vreinterpretq_u32_u8(r2), 3));
+		pi = vdup_lane_u32(vget_high_u8(r3), 1);
+
+		STOR(0, 0), STOR(0, 1), STOR(0, 2), STOR(0, 3);
+		STOR(1, 0), STOR(1, 1), STOR(1, 2), STOR(1, 3);
+		STOR(2, 0), STOR(2, 1), STOR(2, 2), STOR(2, 3);
+		STOR(3, 0), STOR(3, 1), STOR(3, 2), STOR(3, 3);
+#else
 		TEMP t0, t1, t2, t3;
 
 		UNZR(0);
@@ -1502,6 +1537,7 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 		GRP4(3);
 		FIXD(0), FIXD(1), FIXD(2), FIXD(3);
 		SAVE(0), SAVE(1), SAVE(2), SAVE(3);
+#endif
 
 #undef UNZR
 #undef TEMP
@@ -1510,6 +1546,7 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 #undef GRP4
 #undef FIXD
 #undef SAVE
+#undef STOR
 	}
 }
 

From 95f703898ad12c1915a68cdbb8ecbae1866d22cc Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 3 Jan 2025 08:49:50 -0800
Subject: [PATCH 532/581] vertexcodec: Implement alternative delta decoding
 acceleration

While computing prefix sums partially in parallel works on Apple Mn, it is
unfortunately slower on weaker CPUs like Graviton2. The equivalent approach
is also slower on Zen3, so this would require maintaining a special version
just for Apple.

The reason why parallel prefix sums work better is that they allow for more
parallelism during the loop iteration, at the expense of a little more work.
Alternatively we can try to overlap individual loop iterations - there is
a data dependency on "pi" which serializes the long latency chain between
iterations. What we can do instead is recompute pi for the next iteration
based on rN, which is easier than a full prefix sum, and results in even
larger performance improvement on Apple M2.
---
 src/vertexcodec.cpp | 38 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 5b7ad1aea9..a761c2dea3 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1364,6 +1364,34 @@ SIMD_TARGET inline uint8x16_t undelta4(uint8x16_t v)
 	v = undelta<Channel>(v, vextq_u8(zero, v, 8));
 	return v;
 }
+
+template <int Channel>
+SIMD_TARGET inline uint8x8_t rebase(uint8x8_t npi, uint8x16_t r0, uint8x16_t r1, uint8x16_t r2, uint8x16_t r3)
+{
+	switch (Channel)
+	{
+	case 0:
+	{
+		uint8x16_t rsum = vaddq_u8(vaddq_u8(r0, r1), vaddq_u8(r2, r3));
+		uint8x8_t rsumx = vadd_u8(vget_low_u8(rsum), vget_high_u8(rsum));
+		return vadd_u8(vadd_u8(npi, rsumx), vext_u8(rsumx, rsumx, 4));
+	}
+	case 1:
+	{
+		uint16x8_t rsum = vaddq_u16(vaddq_u16(vreinterpretq_u16_u8(r0), vreinterpretq_u16_u8(r1)), vaddq_u16(vreinterpretq_u16_u8(r2), vreinterpretq_u16_u8(r3)));
+		uint16x4_t rsumx = vadd_u16(vget_low_u16(rsum), vget_high_u16(rsum));
+		return vreinterpret_u8_u16(vadd_u16(vadd_u16(npi, rsumx), vext_u16(rsumx, rsumx, 2)));
+	}
+	case 2:
+	{
+		uint8x16_t rsum = veorq_u8(veorq_u8(r0, r1), veorq_u8(r2, r3));
+		uint8x8_t rsumx = veor_u8(vget_low_u8(rsum), vget_high_u8(rsum));
+		return veor_u8(veor_u8(npi, rsumx), vext_u8(rsumx, rsumx, 4));
+	}
+	default:
+		return npi;
+	}
+}
 #endif
 
 #ifdef SIMD_WASM
@@ -1497,7 +1525,7 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 
 		transpose8(r0, r1, r2, r3);
 
-#if defined(SIMD_NEON)
+#if defined(SIMD_NEON) && 0
 		UNZR(0), UNZR(1), UNZR(2), UNZR(3);
 
 		r0 = undelta4<Channel>(r0);
@@ -1517,6 +1545,7 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 		STOR(3, 0), STOR(3, 1), STOR(3, 2), STOR(3, 3);
 #else
 		TEMP t0, t1, t2, t3;
+		TEMP npi = pi;
 
 		UNZR(0);
 		GRP4(0);
@@ -1537,6 +1566,13 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 		GRP4(3);
 		FIXD(0), FIXD(1), FIXD(2), FIXD(3);
 		SAVE(0), SAVE(1), SAVE(2), SAVE(3);
+
+#if defined(SIMD_NEON)
+		pi = rebase<Channel>(npi, r0, r1, r2, r3);
+#else
+		(void)npi;
+#endif
+
 #endif
 
 #undef UNZR

From a55be4db5bfd0b171df9a0750d1b35e6e974cf94 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 3 Jan 2025 08:54:20 -0800
Subject: [PATCH 533/581] vertexcodec: Remove parallel prefix sum variant

Since this is slower than baseline on Graviton2 and slower than the new
rebase approach on Apple, we do not need this code variant.
---
 src/vertexcodec.cpp | 38 --------------------------------------
 1 file changed, 38 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index a761c2dea3..34fd09e425 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1350,21 +1350,6 @@ inline uint8x16_t rotate32(uint8x16_t v, int r)
 	return vreinterpretq_u8_u32(vorrq_u32(vshlq_u32(v32, vdupq_n_s32(r)), vshlq_u32(v32, vdupq_n_s32(r - 32))));
 }
 
-template <int Channel>
-SIMD_TARGET inline uint8x16_t undelta(uint8x16_t a, uint8x16_t b)
-{
-	return Channel == 0 ? vaddq_u8(a, b) : (Channel == 1 ? vreinterpretq_u8_u16(vaddq_u16(vreinterpretq_u16_u8(a), vreinterpretq_u16_u8(b))) : veorq_u8(a, b));
-}
-
-template <int Channel>
-SIMD_TARGET inline uint8x16_t undelta4(uint8x16_t v)
-{
-	uint8x16_t zero = vdupq_n_u8(0);
-	v = undelta<Channel>(v, vextq_u8(zero, v, 12));
-	v = undelta<Channel>(v, vextq_u8(zero, v, 8));
-	return v;
-}
-
 template <int Channel>
 SIMD_TARGET inline uint8x8_t rebase(uint8x8_t npi, uint8x16_t r0, uint8x16_t r1, uint8x16_t r2, uint8x16_t r3)
 {
@@ -1498,7 +1483,6 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 #define GRP4(i) t0 = vget_low_u8(r##i), t1 = vreinterpret_u8_u32(vdup_lane_u32(vreinterpret_u32_u8(t0), 1)), t2 = vget_high_u8(r##i), t3 = vreinterpret_u8_u32(vdup_lane_u32(vreinterpret_u32_u8(t2), 1))
 #define FIXD(i) t##i = pi = Channel == 0 ? vadd_u8(pi, t##i) : (Channel == 1 ? vreinterpret_u8_u16(vadd_u16(vreinterpret_u16_u8(pi), vreinterpret_u16_u8(t##i))) : veor_u8(pi, t##i))
 #define SAVE(i) vst1_lane_u32(reinterpret_cast<uint32_t*>(savep), vreinterpret_u32_u8(t##i), 0), savep += vertex_size
-#define STOR(i, l) vst1q_lane_u32(reinterpret_cast<uint32_t*>(savep), vreinterpretq_u32_u8(r##i), l), savep += vertex_size
 #endif
 
 #ifdef SIMD_WASM
@@ -1525,25 +1509,6 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 
 		transpose8(r0, r1, r2, r3);
 
-#if defined(SIMD_NEON) && 0
-		UNZR(0), UNZR(1), UNZR(2), UNZR(3);
-
-		r0 = undelta4<Channel>(r0);
-		r1 = undelta4<Channel>(r1);
-		r2 = undelta4<Channel>(r2);
-		r3 = undelta4<Channel>(r3);
-
-		r0 = undelta<Channel>(r0, vdupq_lane_u32(vreinterpret_u32_u8(pi), 0));
-		r1 = undelta<Channel>(r1, vdupq_laneq_u32(vreinterpretq_u32_u8(r0), 3));
-		r2 = undelta<Channel>(r2, vdupq_laneq_u32(vreinterpretq_u32_u8(r1), 3));
-		r3 = undelta<Channel>(r3, vdupq_laneq_u32(vreinterpretq_u32_u8(r2), 3));
-		pi = vdup_lane_u32(vget_high_u8(r3), 1);
-
-		STOR(0, 0), STOR(0, 1), STOR(0, 2), STOR(0, 3);
-		STOR(1, 0), STOR(1, 1), STOR(1, 2), STOR(1, 3);
-		STOR(2, 0), STOR(2, 1), STOR(2, 2), STOR(2, 3);
-		STOR(3, 0), STOR(3, 1), STOR(3, 2), STOR(3, 3);
-#else
 		TEMP t0, t1, t2, t3;
 		TEMP npi = pi;
 
@@ -1573,8 +1538,6 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 		(void)npi;
 #endif
 
-#endif
-
 #undef UNZR
 #undef TEMP
 #undef PREP
@@ -1582,7 +1545,6 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 #undef GRP4
 #undef FIXD
 #undef SAVE
-#undef STOR
 	}
 }
 

From 6498bc47818ae04900b01f0dbcb55295554b590d Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 3 Jan 2025 09:15:00 -0800
Subject: [PATCH 534/581] vertexcodec: Only use new delta latency optimization
 for Apple

This is net negative on Graviton2 as well as Zen3, so for now just apply
this for Apple CPUs.
---
 src/vertexcodec.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 34fd09e425..3a1330dd2c 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1532,7 +1532,8 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 		FIXD(0), FIXD(1), FIXD(2), FIXD(3);
 		SAVE(0), SAVE(1), SAVE(2), SAVE(3);
 
-#if defined(SIMD_NEON)
+#if defined(SIMD_LATENCYOPT) && defined(SIMD_NEON) && defined(__APPLE__)
+		// instead of relying on accumulated pi, recompute it from scratch from r0..r3; this shortens dependency between loop iterations
 		pi = rebase<Channel>(npi, r0, r1, r2, r3);
 #else
 		(void)npi;

From bab8b98a58c20d6a2c4511bd6f23912a6984d337 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 4 Jan 2025 21:04:12 -0800
Subject: [PATCH 535/581] vertexcodec: Enable NEON latency optimization on
 Windows

On Qualcomm Snapdragon X CPUs, this optimization helps significantly
just as it does for Apple CPUs, boosting decoding from ~3.72 GB/s to
4.54 GB/s. To keep the scope of this optimization to cases where we know
it does help, enable this for Windows-on-ARM builds as well.

This optimization is known to slightly regress throughput on Graviton 2
as well as Cortex-A78, so for now we still keep it disabled for Android
and Linux builds.
---
 src/vertexcodec.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 3a1330dd2c..e41d2f295d 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1532,7 +1532,7 @@ decodeDeltas4Simd(const unsigned char* buffer, unsigned char* transposed, size_t
 		FIXD(0), FIXD(1), FIXD(2), FIXD(3);
 		SAVE(0), SAVE(1), SAVE(2), SAVE(3);
 
-#if defined(SIMD_LATENCYOPT) && defined(SIMD_NEON) && defined(__APPLE__)
+#if defined(SIMD_LATENCYOPT) && defined(SIMD_NEON) && (defined(__APPLE__) || defined(_WIN32))
 		// instead of relying on accumulated pi, recompute it from scratch from r0..r3; this shortens dependency between loop iterations
 		pi = rebase<Channel>(npi, r0, r1, r2, r3);
 #else

From 9e51d277736628b1235574f305206962f165004f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 5 Jan 2025 13:16:36 -0800
Subject: [PATCH 536/581] Pin es-check to 7.2.1 to avoid regressions

Version 8.0 no longer works due to the new detectFeatures module.
---
 .github/workflows/build.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e31278b4ef..f0f9ebfe12 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -75,7 +75,7 @@ jobs:
         run: node js/meshopt_clusterizer.test.js
       - name: check es5
         run: |
-          npm install -g es-check
+          npm install -g es-check@7.2.1
           npx es-check es5 js/meshopt_decoder.js js/meshopt_encoder.js js/meshopt_simplifier.js js/meshopt_clusterizer.js
           npx es-check --module es5 js/meshopt_decoder.module.js js/meshopt_encoder.module.js js/meshopt_simplifier.module.js js/meshopt_clusterizer.module.js
           npx es-check es5 gltf/library.js

From 0629468fd9cdee44096c6c6a1c5f05ddfdbd7da9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 6 Jan 2025 11:01:46 -0800
Subject: [PATCH 537/581] js: Rebuild .js files with Wasi SDK 25

Using LLVM 19; binary sizes and performance are more or less unchanged.
---
 js/meshopt_clusterizer.js        | 4 ++--
 js/meshopt_clusterizer.module.js | 4 ++--
 js/meshopt_decoder.js            | 6 +++---
 js/meshopt_decoder.module.js     | 6 +++---
 js/meshopt_encoder.js            | 4 ++--
 js/meshopt_encoder.module.js     | 4 ++--
 js/meshopt_simplifier.js         | 4 ++--
 js/meshopt_simplifier.module.js  | 4 ++--
 8 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/js/meshopt_clusterizer.js b/js/meshopt_clusterizer.js
index 58222e3fc0..b9f2db26d0 100644
--- a/js/meshopt_clusterizer.js
+++ b/js/meshopt_clusterizer.js
@@ -1,10 +1,10 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptClusterizer = (function () {
-	// Built with clang version 18.1.2
+	// Built with clang version 19.1.5-wasi-sdk
 	// Built from meshoptimizer 0.22
 	var wasm =
-		'b9H79Tebbbefx9Geueu9Geub9Gbb9Giuuueu9Gkuuuuuuuuuu99eu9Gvuuuuueu9Gkuuuuuuuuu9999eu9Gruuuuuuub9Gkuuuuuuuuuuueu9Gouuuuuub9Giuuub9GluuuubiOHdilvorwDqrkbiibeilve9Weiiviebeoweuec:q:Odkr:Yewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9I919P29K9nW79O2Wt79c9V919U9KbeX9TW79O9V9Wt9F9I919P29K9nW79O2Wt7bd39TW79O9V9Wt9F9J9V9T9W91tWJ2917tWV9c9V919U9K7br39TW79O9V9Wt9F9J9V9T9W91tW9nW79O2Wt9c9V919U9K7bDL9TW79O9V9Wt9F9V9Wt9P9T9P96W9nW79O2Wtbql79IV9RbkDwebcekdsPq;L9kHdbkIbabaec9:fgefcufae9Ugeabci9Uadfcufad9Ugbaeab0Ek:oAlPue99eux998Jjjjjbc:We9Rgk8Kjjjjbakc;mbfcbc;Kbz:njjjb8AakcuaocdtgxaocFFFFi0Egmcbyd:e1jjbHjjjjbbgPBd9makceBd:SeakaPBdnakamcbyd:e1jjbHjjjjbbgsBd9qakcdBd:SeakasBd9eakcualcdtalcFFFFi0Ecbyd:e1jjbHjjjjbbgzBd9uakazBd9iakciBd:SeaPcbaxz:njjjbhHalci9UhOdnalTmbaihPalhAinaHaPydbcdtfgCaCydbcefBdbaPclfhPaAcufgAmbkkdnaoTmbcbhPashAaHhCaohXinaAaPBdbaAclfhAaCydbaPfhPaCclfhCaXcufgXmbkkdnalci6mbcbhPaihAinaAcwfydbhCaAclfydbhXasaAydbcdtfgQaQydbgQcefBdbazaQcdtfaPBdbasaXcdtfgXaXydbgXcefBdbazaXcdtfaPBdbasaCcdtfgCaCydbgCcefBdbazaCcdtfaPBdbaAcxfhAaOaPcefgP9hmbkkdnaoTmbaHhAashPaohCinaPaPydbaAydb9RBdbaAclfhAaPclfhPaCcufgCmbkkakamcbyd:e1jjbHjjjjbbgPBd9yakclBd:SeaPaHaxz:mjjjbhmakaOcbyd:e1jjbHjjjjbbgPBd9CakcvBd:SeaPcbaOz:njjjbhLakcuaOcK2alcjjjjd0Ecbyd:e1jjbHjjjjbbgKBd9GakcoBd:SeJbbbbhYdnalci6g8Ambarcd4hxaihAaKhPaOhrJbbbbhEinavaAclfydbax2cdtfgCIdlh3avaAydbax2cdtfgXIdlhYavaAcwfydbax2cdtfgQIdlh5aCIdwh8EaXIdwh8FaQIdwhaaPaCIdbghaXIdbggMaQIdbg8JMJbbnn:vUdbaPclfaXIdlaCIdlMaQIdlMJbbnn:vUdbaQIdwh8KaCIdwh8LaXIdwh8MaPcxfa3aY:tg3aaa8F:tgaNa5aY:tg5a8Ea8F:tg8EN:tgYJbbbbJbbjZahag:tgha5Na8Jag:tgga3N:tg8Fa8FNaYaYNa8EagNaaahN:tgYaYNMM:rgg:vagJbbbb9BEg3NUdbaPczfaYa3NUdbaPcCfa8Fa3NUdbaPcwfa8Ka8Ma8LMMJbbnn:vUdbaEagMhEaAcxfhAaPcKfhParcufgrmbkaEaO:Z:vJbbbZNhYkakcuaOcdtalcFFFF970Ecbyd:e1jjbHjjjjbbgCBd9KakcrBd:SeaYaD:ZN:rhYdna8AmbcbhPaChAinaAaPBdbaAclfhAaOaPcefgP9hmbkkaYJbbbZNh8MakcuaOcltalcFFFFd0Ecbyd:e1jjbHjjjjbbg8ABd9OakcwBd:Secba8AaKaCaOz:djjjb8Aakaocbyd:e1jjbHjjjjbbgPBd2aPcFeaoz:njjjbhrakc8Wfcwf9cb83ibak9cb83i8WcbhPJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgcbhlinJbbbbh3dnaPTmbJbbjZaP:Z:vh3kaka8Ea3NgaUdaaka5a3NghUd3akaEa3Ng8JUdKJbbbbh3dnagagNaYaYNa8Fa8FNMMg8KJbbbb9BmbJbbjZa8K:r:vh3kakaga3NUd8Saka8Fa3NUdyakaYa3NUd8Kdndndnakyd8WgQakydUgAakcKfaeaiakc;abfaKamara8Maqz:ejjjbgCcuSmbdnaPaD9pmbaAaraiaCcx2fgXydbfRbbcFeSfaraXclfydbfRbbcFeSfaraXcwfydbfRbbcFeSfaw9nmdkaQaAcbaeaiakc;abfaKamara8MJbbbbz:ejjjbgCcu9hmekakaaUdCakahUdzaka8JUdxakcuBdwakcFFF;7rBdla8AcbaKaLakcxfakcwfakclfz:fjjjbakydwgCcuSmekdnakc8WfaiaCcx2fgOydbgPaOclfydbgAaOcwfydbgXarabaeadalawaDz:gjjjbTmbalcefhlJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgkamaPcdtfgPaPydbcufBdbamaAcdtfgPaPydbcufBdbamaXcdtfgPaPydbcufBdbcbhXinazasaOaXcdtfydbcdtgAfydbcdtfgxhPaHaAfgvydbgQhAdnaQTmbdninaPydbaCSmeaPclfhPaAcufgATmdxbkkaPaxaQcdtfc98fydbBdbavavydbcufBdbkaXcefgXci9hmbkaKaCcK2fgPIdbh3aPIdlhaaPIdwhhaPIdxh8JaPIdzh8KaPIdCh8LaLaCfce86bbaga8LMhga8Fa8KMh8FaYa8JMhYa8EahMh8Ea5aaMh5aEa3MhEakyd88hPxekkdnaPTmbdnakyd80gAaPci2fgCciGTmbadaCfcbaPaAcu7fciGcefz:njjjb8AkabalcltfgPak8Pi8W83dbaPcwfakc8Wfcwf8Pib83dbalcefhlkcahPdninaPc98Smeakc;mbfaPfydbcbydj1jjbH:bjjjbbaPc98fhPxbkkakc:Wef8Kjjjjbalk;3vivuv99lu8Jjjjjbca9Rgv8Kjjjjbdndnalcw0mbaiydbhoaeabcitfgralcdtcufBdlaraoBdbdnalcd6mbaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkkalabfhrxekcbhDavczfcwfcbBdbav9cb83izavcwfcbBdbav9cb83ibJbbjZhqJbbjZhkinadaiaDcdtfydbcK2fhwcbhrinavczfarfgoawarfIdbgxaoIdbgm:tgPakNamMgmUdbavarfgoaPaxam:tNaoIdbMUdbarclfgrcx9hmbkJbbjZaqJbbjZMgq:vhkaDcefgDal9hmbkcbhoadcbcecdavIdlgxavIdwgm9GEgravIdbgPam9GEaraPax9GEgscdtgrfhzavczfarfIdbhxaihralhwinaiaocdtfgDydbhHaDarydbgOBdbaraHBdbarclfhraoazaOcK2fIdbax9Dfhoawcufgwmbkaeabcitfhrdndnaocv6mbaoalc98f6mekaraiydbBdbaralcdtcufBdlaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkalabfhrxekaraxUdbaeabcitfgrarydlc98GasVBdlabcefaeadaiaoz:djjjbhwararydlciGawabcu7fcdtVBdlawaeadaiaocdtfalao9Rz:djjjbhrkavcaf8Kjjjjbark;Bloeue99vue99Due99dndnaembcuhkxekJbbjZaq:thxaiabcdtfhmavydbhPavydlhsavydwhzcbhHJFFuuhOcvhbcuhkindnaPamaHcdtfydbcdtgvfydbgATmbazasavfydbcdtfhiindndnawalaiydbgCcx2fgvclfydbgXfRbbcFeSawavydbgQfRbbcFeSfawavcwfydbgLfRbbcFeSfgKmbcbhvxekcehvaraQcdtfydbgYceSmbcehvaraXcdtfydbg8AceSmbcehvaraLcdtfydbgEceSmbdna8AcdSaYcdSfaEcdSfcd6mbaKcefhvxekaKcdfhvkdnavab9kmbdndnadTmbaoaCcK2fgQIdwadIdw:tg3a3NaQIdbadIdb:tg3a3NaQIdladIdl:tg3a3NMM:raD:vaxNJbbjZMJ9VO:d86JbbjZaQIdCadIdCNaQIdxadIdxNaQIdzadIdzNMMaqN:tg3a3J9VO:d869DENh3xekaraQcdtfydbaraXcdtfydbfaraLcdtfydbfc99f:Zh3kaCakavab6a3aO9DVgQEhkavabaQEhba3aOaQEhOkaiclfhiaAcufgAmbkkaHcefgHae9hmbkkakk;bddlue99dndndnabaecitfgrydlgwciGgDci9hmbarclfhqxekinabcbawcd4gwalaDcdtfIdbabaecitfIdb:tgkJbbbb9FEgDaecefgefadaialavaoz:fjjjbak:laoIdb9FTmdabaDaw7aefgecitfgrydlgwciGgDci9hmbkarclfhqkabaecitfhecuhbindnaiaeydbgDfRbbmbadaDcK2fgrIdwalIdw:tgkakNarIdbalIdb:tgkakNarIdlalIdl:tgkakNMM:rgkaoIdb9DTmbaoakUdbavaDBdbaqydbhwkaecwfheabcefgbawcd46mbkkk;yleoudnaladfgkRbbcFeSalaefgxRbbgmcFeSfabydwgPfalaifgsRbbcFeSfaD0abydxaq9pVgzce9hmbavawcltfgmab8Pdb83dbamcwfabcwfgm8Pdb83dbdndnamydbmbcbhqxekcbhDaohminalamabydbcdtfydbfcFe86bbamclfhmaDcefgDabydwgq6mbkkdnabydxglci2gDabydlgmfgPciGTmbaraPfcbalamcu7fciGcefz:njjjb8Aabydxci2hDabydlhmabydwhqkab9cb83dwababydbaqfBdbabaDcifc98GamfBdlaxRbbhmcbhPkdnamcFeGcFe9hmbaxaP86bbababydwgmcefBdwaoabydbcdtfamcdtfaeBdbkdnakRbbcFe9hmbakabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfadBdbkdnasRbbcFe9hmbasabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfaiBdbkarabydlfabydxci2faxRbb86bbarabydlfabydxci2fcefakRbb86bbarabydlfabydxci2fcdfasRbb86bbababydxcefBdxazk;Ckovud99euv99eul998Jjjjjbc:G;ae9Rgo8KjjjjbdndnadTmbavcd4hrcbhwcbhDindnaiaeclfydbar2cdtfgvIdbaiaeydbar2cdtfgqIdbgk:tgxaiaecwfydbar2cdtfgmIdlaqIdlgP:tgsNamIdbak:tgzavIdlaP:tgPN:tgkakNaPamIdwaqIdwgH:tgONasavIdwaH:tgHN:tgPaPNaHazNaOaxN:tgxaxNMM:rgsJbbbb9Bmbaoc:G:qefawcx2fgAakas:vUdwaAaxas:vUdlaAaPas:vUdbaocafawc8K2fgAaq8Pdb83dbaAav8Pdb83dxaAam8Pdb83dKaAcwfaqcwfydbBdbaAcCfavcwfydbBdbaAcafamcwfydbBdbawcefhwkaecxfheaDcifgDad6mbkab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbawTmeao9cb83iKao9cb83izaoczfaocafawci2z1jjjbaoIdKhCaoIdChXaoIdzhQao9cb83iwao9cb83ibaoaoc:G:qefawz1jjjbJbbjZhkaoIdwgPJbbbbJbbjZaPaPNaoIdbgPaPNaoIdlgsasNMM:rgx:vaxJbbbb9BEgzNhxasazNhsaPazNhzaoc:G:qefheawhvinaecwfIdbaxNaeIdbazNasaeclfIdbNMMgPakaPak9DEhkaecxfheavcufgvmbkabaCUdwabaXUdlabaQUdbabaoId3UdxdndnakJ;n;m;m899FmbJbbbbhPaoc:G:qefheaocafhvinaCavcwfIdb:taecwfIdbgHNaQavIdb:taeIdbgONaXavclfIdb:taeclfIdbgLNMMaxaHNazaONasaLNMM:vgHaPaHaP9EEhPavc8KfhvaecxfheawcufgwmbkabazUd3abc8KfaxUdbabcafasUdbabcKfaCaxaPN:tUdbabcCfaXasaPN:tUdbabaQazaPN:tUdzabJbbjZakakN:t:rgkUdydndnaxJbbj:;axJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;axJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohexekcjjjj94hekabc8Ufae86bbdndnasJbbj:;asJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;asJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohvxekcjjjj94hvkabcRfav86bbdndnazJbbj:;azJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;azJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohqxekcjjjj94hqkabaq86b8SdndnaecKtcK91:YJbb;:9c:vax:t:lavcKtcK91:YJbb;:9c:vas:t:laqcKtcK91:YJbb;:9c:vaz:t:lakMMMJbb;:9cNJbbjZMgk:lJbbb9p9DTmbak:Ohexekcjjjj94hekaecFbaecFb9iEhexekabcjjj;8iBdycFbhekabae86b8Vxekab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbkaoc:G;aef8Kjjjjbk:mvdouq99cbhi8Jjjjjbca9RglczfcwfcbBdbal9cb83izalcwfcbBdbal9cb83ibdnadTmbcbhvinaeaifhocbhrinalczfarfgwavawydbgwaoarfIdbgDaearawcx2ffIdb9DEBdbalarfgwavawydbgwaDaearawcx2ffIdb9EEBdbarclfgrcx9hmbkaicxfhiavcefgvad9hmbkkJbbbbhDcbhrcbhicbhvinaealarfydbcx2fgwIdwaealczfarfydbcx2fgoIdw:tgqaqNawIdbaoIdb:tgqaqNawIdlaoIdl:tgqaqNMMgqaDaqaD9EgwEhDavaiawEhiarclfhravcefgvci9hmbkaealczfaicdtgvfydbcx2fgrIdwaealavfydbcx2fglIdwMJbbbZNhqarIdlalIdlMJbbbZNhkarIdbalIdbMJbbbZNhxaD:rJbbbZNhDdnadTmbindnaecwfIdbgmaq:tgPaPNaeIdbgsax:tgPaPNaeclfIdbgzak:tgPaPNMMgPaDaDN9ETmbaqaDaP:rgH:vJbbbZNJbbbZMgPNamJbbjZaP:tgONMhqakaPNazaONMhkaxaPNasaONMhxaDaHMJbbbZNhDkaecxfheadcufgdmbkkabaDUdxabaqUdwabakUdlabaxUdbkjeeiu8Jjjjjbcj8W9Rgr8Kjjjjbaici2hwdnaiTmbawceawce0EhDarhiinaiaeadRbbcdtfydbBdbadcefhdaiclfhiaDcufgDmbkkabarawaladaoz:hjjjbarcj8Wf8Kjjjjbk:Ylequ8Jjjjjbcjx9Rgl8Kjjjjbcbhvalcjqfcbaiz:njjjb8AdndnadTmbcjehoaehrincuhwarhDcuhqavhkdninawakaoalcjqfaDcefRbbfRbb9RcFeGci6aoalcjqfaDRbbfRbb9RcFeGci6faoalcjqfaDcdfRbbfRbb9RcFeGci6fgxaq9mgmEhwdnammbaxce0mdkaxaqaxaq9kEhqaDcifhDadakcefgk9hmbkkaeawci2fgDcdfRbbhqaDcefRbbhxaDRbbhkaeavci2fgDcifaDawav9Rci2z:qjjjb8Aakalcjqffaocefgo86bbaxalcjqffao86bbaDcdfaq86bbaDcefax86bbaDak86bbaqalcjqffao86bbarcifhravcefgvad9hmbkalcFeaiz:njjjbhoadci2gDceaDce0EhqcbhxindnaoaeRbbgkfgwRbbgDcFe9hmbawax86bbaocjdfaxcdtfabakcdtfydbBdbaxhDaxcefhxkaeaD86bbaecefheaqcufgqmbkaxcdthDxekcbhDkabalcjdfaDz:mjjjb8Aalcjxf8Kjjjjbk9teiucbcbyd11jjbgeabcifc98GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd11jjbgeabcrfc94GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd11jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd11jjbfgdBd11jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk:;Deludndndnadch9pmbabaeSmdaeabadfgi9Rcbadcet9R0mekabaead;8qbbxekaeab7ciGhldndndnabae9pmbdnalTmbadhvabhixikdnabciGmbadhvabhixdkadTmiabaeRbb86bbadcufhvdnabcefgiciGmbaecefhexdkavTmiabaeRbe86beadc9:fhvdnabcdfgiciGmbaecdfhexdkavTmiabaeRbd86bdadc99fhvdnabcifgiciGmbaecifhexdkavTmiabaeRbi86biabclfhiaeclfheadc98fhvxekdnalmbdnaiciGTmbadTmlabadcufgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc9:fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc99fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc98fgdfaeadfRbb86bbkadcl6mbdnadc98fgocd4cefciGgiTmbaec98fhlabc98fhvinavadfaladfydbBdbadc98fhdaicufgimbkkaocx6mbaec9Wfhvabc9WfhoinaoadfgicxfavadfglcxfydbBdbaicwfalcwfydbBdbaiclfalclfydbBdbaialydbBdbadc9Wfgdci0mbkkadTmdadhidnadciGglTmbaecufhvabcufhoadhiinaoaifavaifRbb86bbaicufhialcufglmbkkadcl6mdaec98fhlabc98fhvinavaifgecifalaifgdcifRbb86bbaecdfadcdfRbb86bbaecefadcefRbb86bbaeadRbb86bbaic98fgimbxikkavcl6mbdnavc98fglcd4cefcrGgdTmbavadcdt9RhvinaiaeydbBdbaeclfheaiclfhiadcufgdmbkkalc36mbinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaiaeydzBdzaiaeydCBdCaiaeydKBdKaiaeyd3Bd3aecafheaicafhiavc9Gfgvci0mbkkavTmbdndnavcrGgdmbavhlxekavc94GhlinaiaeRbb86bbaicefhiaecefheadcufgdmbkkavcw6mbinaiaeRbb86bbaiaeRbe86beaiaeRbd86bdaiaeRbi86biaiaeRbl86blaiaeRbv86bvaiaeRbo86boaiaeRbr86braicwfhiaecwfhealc94fglmbkkabkkAebcjwkxebbbdbbbzNbb'; // embed! wasm
+		'b9H79Tebbbefx9Geueu9Geub9Gbb9Giuuueu9Gkuuuuuuuuuu99eu9Gvuuuuueu9Gkuuuuuuuuu9999eu9Gruuuuuuub9Gkuuuuuuuuuuueu9Gouuuuuub9Giuuub9GluuuubiOHdilvorwDqrkbiibeilve9Weiiviebeoweuec:q:Odkr:Yewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9I919P29K9nW79O2Wt79c9V919U9KbeX9TW79O9V9Wt9F9I919P29K9nW79O2Wt7bd39TW79O9V9Wt9F9J9V9T9W91tWJ2917tWV9c9V919U9K7br39TW79O9V9Wt9F9J9V9T9W91tW9nW79O2Wt9c9V919U9K7bDL9TW79O9V9Wt9F9V9Wt9P9T9P96W9nW79O2Wtbql79IV9RbkDwebcekdsPq:y9kHdbkIbabaec9:fgefcufae9Ugeabci9Uadfcufad9Ugbaeab0Ek:oAlPue99eux998Jjjjjbc:We9Rgk8Kjjjjbakc;mbfcbc;Kbz:njjjb8AakcuaocdtgxaocFFFFi0Egmcbyd:e1jjbHjjjjbbgPBd9makceBd:SeakaPBdnakamcbyd:e1jjbHjjjjbbgsBd9qakcdBd:SeakasBd9eakcualcdtalcFFFFi0Ecbyd:e1jjbHjjjjbbgzBd9uakazBd9iakciBd:SeaPcbaxz:njjjbhHalci9UhOdnalTmbaihPalhAinaHaPydbcdtfgCaCydbcefBdbaPclfhPaAcufgAmbkkdnaoTmbcbhPashAaHhCaohXinaAaPBdbaAclfhAaCydbaPfhPaCclfhCaXcufgXmbkkdnalci6mbcbhPaihAinaAcwfydbhCaAclfydbhXasaAydbcdtfgQaQydbgQcefBdbazaQcdtfaPBdbasaXcdtfgXaXydbgXcefBdbazaXcdtfaPBdbasaCcdtfgCaCydbgCcefBdbazaCcdtfaPBdbaAcxfhAaOaPcefgP9hmbkkdnaoTmbaHhAashPaohCinaPaPydbaAydb9RBdbaAclfhAaPclfhPaCcufgCmbkkakamcbyd:e1jjbHjjjjbbgPBd9yakclBd:SeaPaHaxz:mjjjbhmakaOcbyd:e1jjbHjjjjbbgPBd9CakcvBd:SeaPcbaOz:njjjbhLakcuaOcK2alcjjjjd0Ecbyd:e1jjbHjjjjbbgKBd9GakcoBd:SeJbbbbhYdnalci6g8Ambarcd4hxaihAaKhPaOhrJbbbbhEinavaAclfydbax2cdtfgCIdlh3avaAydbax2cdtfgXIdlhYavaAcwfydbax2cdtfgQIdlh5aCIdwh8EaXIdwh8FaQIdwhaaPaCIdbghaXIdbggMaQIdbg8JMJbbnn:vUdbaPclfaXIdlaCIdlMaQIdlMJbbnn:vUdbaQIdwh8KaCIdwh8LaXIdwh8MaPcxfa3aY:tg3aaa8F:tgaNa5aY:tg5a8Ea8F:tg8EN:tgYJbbbbJbbjZahag:tgha5Na8Jag:tgga3N:tg8Fa8FNaYaYNa8EagNaaahN:tgYaYNMM:rgg:vagJbbbb9BEg3NUdbaPczfaYa3NUdbaPcCfa8Fa3NUdbaPcwfa8Ka8Ma8LMMJbbnn:vUdbaEagMhEaAcxfhAaPcKfhParcufgrmbkaEaO:Z:vJbbbZNhYkakcuaOcdtalcFFFF970Ecbyd:e1jjbHjjjjbbgCBd9KakcrBd:SeaYaD:ZN:rhYdna8AmbcbhPaChAinaAaPBdbaAclfhAaOaPcefgP9hmbkkaYJbbbZNh8MakcuaOcltalcFFFFd0Ecbyd:e1jjbHjjjjbbg8ABd9OakcwBd:Secba8AaKaCaOz:djjjb8Aakaocbyd:e1jjbHjjjjbbgPBd2aPcFeaoz:njjjbhrakc8Wfcwf9cb83ibak9cb83i8WcbhPJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgcbhlinJbbbbh3dnaPTmbJbbjZaP:Z:vh3kaka8Ea3NgaUdaaka5a3NghUd3akaEa3Ng8JUdKJbbbbh3dnagagNaYaYNa8Fa8FNMMg8KJbbbb9BmbJbbjZa8K:r:vh3kakaga3NUd8Saka8Fa3NUdyakaYa3NUd8Kdndndnakyd8WgQakydUgAakcKfaeaiakc;abfaKamara8Maqz:ejjjbgCcuSmbdnaPaD9pmbaAaraiaCcx2fgXydbfRbbcFeSfaraXclfydbfRbbcFeSfaraXcwfydbfRbbcFeSfaw9nmdkaQaAcbaeaiakc;abfaKamara8MJbbbbz:ejjjbgCcu9hmekakaaUdCakahUdzaka8JUdxakcuBdwakcFFF;7rBdla8AcbaKaLakcxfakcwfakclfz:fjjjbakydwgCcuSmekdnakc8WfaiaCcx2fgOydbgPaOclfydbgAaOcwfydbgXarabaeadalawaDz:gjjjbTmbalcefhlJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgkamaPcdtfgPaPydbcufBdbamaAcdtfgPaPydbcufBdbamaXcdtfgPaPydbcufBdbcbhXinazasaOaXcdtfydbcdtgAfydbcdtfgxhPaHaAfgvydbgQhAdnaQTmbdninaPydbaCSmeaPclfhPaAcufgATmdxbkkaPaxaQcdtfc98fydbBdbavavydbcufBdbkaXcefgXci9hmbkaKaCcK2fgPIdbh3aPIdlhaaPIdwhhaPIdxh8JaPIdzh8KaPIdCh8LaLaCfce86bbaga8LMhga8Fa8KMh8FaYa8JMhYa8EahMh8Ea5aaMh5aEa3MhEakyd88hPxekkdnaPTmbdnakyd80gAaPci2fgCciGTmbadaCfcbaPaAcu7fciGcefz:njjjb8AkabalcltfgPak8Pi8W83dbaPcwfakc8Wfcwf8Pib83dbalcefhlkcahPdninaPc98Smeakc;mbfaPfydbcbydj1jjbH:bjjjbbaPc98fhPxbkkakc:Wef8Kjjjjbalk;Vvivuv99lu8Jjjjjbca9Rgv8Kjjjjbdndnalcw0mbaiydbhoaeabcitfgralcdtcufBdlaraoBdbdnalcd6mbaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkkalabfhrxekcbhDavczfcwfcbBdbav9cb83izavcwfcbBdbav9cb83ibJbbjZhqJbbjZhkinadaiaDcdtfydbcK2fhwcbhrinavczfarfgoawarfIdbgxaoIdbgm:tgPakNamMgmUdbavarfgoaPaxam:tNaoIdbMUdbarclfgrcx9hmbkJbbjZaqJbbjZMgq:vhkaDcefgDal9hmbkcbhoadcbcecdavIdlgxavIdwgm9GEgravIdbgPam9GEaraPax9GEgscdtgrfhzavczfarfIdbhxaihralhwinaiaocdtfgDydbhHaDarydbgOBdbaraHBdbarclfhraoazaOcK2fIdbax9Dfhoawcufgwmbkaeabcitfhrdndnaocv6mbaoalc98f6mekaraiydbBdbaralcdtcufBdlaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkalabfhrxekaraxUdbararydlc98GasVBdlabcefaeadaiaoz:djjjbhwararydlciGawabcu7fcdtVBdlawaeadaiaocdtfalao9Rz:djjjbhrkavcaf8Kjjjjbark;Bloeue99vue99Due99dndnaembcuhkxekJbbjZaq:thxaiabcdtfhmavydbhPavydlhsavydwhzcbhHJFFuuhOcvhbcuhkindnaPamaHcdtfydbcdtgvfydbgATmbazasavfydbcdtfhiindndnawalaiydbgCcx2fgvclfydbgXfRbbcFeSawavydbgQfRbbcFeSfawavcwfydbgLfRbbcFeSfgKmbcbhvxekcehvaraQcdtfydbgYceSmbcehvaraXcdtfydbg8AceSmbcehvaraLcdtfydbgEceSmbdna8AcdSaYcdSfaEcdSfcd6mbaKcefhvxekaKcdfhvkdnavab9kmbdndnadTmbaoaCcK2fgQIdwadIdw:tg3a3NaQIdbadIdb:tg3a3NaQIdladIdl:tg3a3NMM:raD:vaxNJbbjZMJ9VO:d86JbbjZaQIdCadIdCNaQIdxadIdxNaQIdzadIdzNMMaqN:tg3a3J9VO:d869DENh3xekaraQcdtfydbaraXcdtfydbfaraLcdtfydbfc99f:Zh3kaCakavab6a3aO9DVgQEhkavabaQEhba3aOaQEhOkaiclfhiaAcufgAmbkkaHcefgHae9hmbkkakk:Pddiue99dndnabaecitfgrydlgwciGgDciSmbinabcbawcd4gwalaDcdtfIdbarIdb:tgqJbbbb9FEgraecefgefadaialavaoz:fjjjbaq:laoIdb9FTmdabaraw7aefgecitfgrydlgwciGgDci9hmbkkabaecitfgeclfhDcuhbindnaiaeydbgrfRbbmbadarcK2fgwIdwalIdw:tgqaqNawIdbalIdb:tgqaqNawIdlalIdl:tgqaqNMM:rgqaoIdb9DTmbaoaqUdbavarBdbkaecwfheabcefgbaDydbcd46mbkkk;yleoudnaladfgkRbbcFeSalaefgxRbbgmcFeSfabydwgPfalaifgsRbbcFeSfaD0abydxaq9pVgzce9hmbavawcltfgmab8Pdb83dbamcwfabcwfgm8Pdb83dbdndnamydbmbcbhqxekcbhDaohminalamabydbcdtfydbfcFe86bbamclfhmaDcefgDabydwgq6mbkkdnabydxglci2gDabydlgmfgPciGTmbaraPfcbalamcu7fciGcefz:njjjb8Aabydxci2hDabydlhmabydwhqkab9cb83dwababydbaqfBdbabaDcifc98GamfBdlaxRbbhmcbhPkdnamcFeGcFe9hmbaxaP86bbababydwgmcefBdwaoabydbcdtfamcdtfaeBdbkdnakRbbcFe9hmbakabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfadBdbkdnasRbbcFe9hmbasabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfaiBdbkarabydlfabydxci2faxRbb86bbarabydlfabydxci2fcefakRbb86bbarabydlfabydxci2fcdfasRbb86bbababydxcefBdxazk;kkovud99euv99eul998Jjjjjbc:G;ae9Rgo8KjjjjbdndnadTmbavcd4hrcbhwcbhDindnaiaeclfydbar2cdtfgvIdbaiaeydbar2cdtfgqIdbgk:tgxaiaecwfydbar2cdtfgmIdlaqIdlgP:tgsNamIdbak:tgzavIdlaP:tgPN:tgkakNaPamIdwaqIdwgH:tgONasavIdwaH:tgHN:tgPaPNaHazNaOaxN:tgxaxNMM:rgsJbbbb9Bmbaoc:G:qefawcx2fgAakas:vUdwaAaxas:vUdlaAaPas:vUdbaocafawc8K2fgAaq8Pdb83dbaAav8Pdb83dxaAam8Pdb83dKaAcwfaqcwfydbBdbaAcCfavcwfydbBdbaAcafamcwfydbBdbawcefhwkaecxfheaDcifgDad6mbkab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbawTmeao9cb83iKao9cb83izaoczfaocafawci2z1jjjbaoIdKhCaoIdChXaoIdzhQao9cb83iwao9cb83ibaoaoc:G:qefawz1jjjbJbbjZhkaoIdwgPJbbbbJbbjZaPaPNaoIdbgPaPNaoIdlgsasNMM:rgx:vaxJbbbb9BEgzNhxasazNhsaPazNhzaoc:G:qefheawhvinaecwfIdbaxNaeIdbazNasaeclfIdbNMMgPakaPak9DEhkaecxfheavcufgvmbkabaCUdwabaXUdlabaQUdbabaoId3UdxdndnakJ;n;m;m899FmbJbbbbhPaoc:G:qefheaocafhvinaCavcwfIdb:taecwfIdbgHNaQavIdb:taeIdbgONaXavclfIdb:taeclfIdbgLNMMaxaHNazaONasaLNMM:vgHaPaHaP9EEhPavc8KfhvaecxfheawcufgwmbkabaxUd8KabasUdaabazUd3abaCaxaPN:tUdKabaXasaPN:tUdCabaQazaPN:tUdzabJbbjZakakN:t:rgkUdydndnaxJbbj:;axJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;axJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohexekcjjjj94hekabae86b8UdndnasJbbj:;asJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;asJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohvxekcjjjj94hvkabav86bRdndnazJbbj:;azJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;azJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohqxekcjjjj94hqkabaq86b8SdndnaecKtcK91:YJbb;:9c:vax:t:lavcKtcK91:YJbb;:9c:vas:t:laqcKtcK91:YJbb;:9c:vaz:t:lakMMMJbb;:9cNJbbjZMgk:lJbbb9p9DTmbak:Ohexekcjjjj94hekaecFbaecFb9iEhexekabcjjj;8iBdycFbhekabae86b8Vxekab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbkaoc:G;aef8Kjjjjbk:mvdouq99cbhi8Jjjjjbca9RglczfcwfcbBdbal9cb83izalcwfcbBdbal9cb83ibdnadTmbcbhvinaeaifhocbhrinalczfarfgwavawydbgwaoarfIdbgDaearawcx2ffIdb9DEBdbalarfgwavawydbgwaDaearawcx2ffIdb9EEBdbarclfgrcx9hmbkaicxfhiavcefgvad9hmbkkJbbbbhDcbhrcbhicbhvinaealarfydbcx2fgwIdwaealczfarfydbcx2fgoIdw:tgqaqNawIdbaoIdb:tgqaqNawIdlaoIdl:tgqaqNMMgqaDaqaD9EgwEhDavaiawEhiarclfhravcefgvci9hmbkaealczfaicdtgvfydbcx2fgrIdwaealavfydbcx2fglIdwMJbbbZNhqarIdlalIdlMJbbbZNhkarIdbalIdbMJbbbZNhxaD:rJbbbZNhDdnadTmbindnaecwfIdbgmaq:tgPaPNaeIdbgsax:tgPaPNaeclfIdbgzak:tgPaPNMMgPaDaDN9ETmbaqaDaP:rgH:vJbbbZNJbbbZMgPNamJbbjZaP:tgONMhqakaPNazaONMhkaxaPNasaONMhxaDaHMJbbbZNhDkaecxfheadcufgdmbkkabaDUdxabaqUdwabakUdlabaxUdbkjeeiu8Jjjjjbcj8W9Rgr8Kjjjjbaici2hwdnaiTmbawceawce0EhDarhiinaiaeadRbbcdtfydbBdbadcefhdaiclfhiaDcufgDmbkkabarawaladaoz:hjjjbarcj8Wf8Kjjjjbk:Ylequ8Jjjjjbcjx9Rgl8Kjjjjbcbhvalcjqfcbaiz:njjjb8AdndnadTmbcjehoaehrincuhwarhDcuhqavhkdninawakaoalcjqfaDcefRbbfRbb9RcFeGci6aoalcjqfaDRbbfRbb9RcFeGci6faoalcjqfaDcdfRbbfRbb9RcFeGci6fgxaq9mgmEhwdnammbaxce0mdkaxaqaxaq9kEhqaDcifhDadakcefgk9hmbkkaeawci2fgDcdfRbbhqaDcefRbbhxaDRbbhkaeavci2fgDcifaDawav9Rci2z:qjjjb8Aakalcjqffaocefgo86bbaxalcjqffao86bbaDcdfaq86bbaDcefax86bbaDak86bbaqalcjqffao86bbarcifhravcefgvad9hmbkalcFeaiz:njjjbhoadci2gDceaDce0EhqcbhxindnaoaeRbbgkfgwRbbgDcFe9hmbawax86bbaocjdfaxcdtfabakcdtfydbBdbaxhDaxcefhxkaeaD86bbaecefheaqcufgqmbkaxcdthDxekcbhDkabalcjdfaDz:mjjjb8Aalcjxf8Kjjjjbk9teiucbcbyd11jjbgeabcifc98GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;teeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk:3eedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdxaialBdwaialBdlaialBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd11jjbgeabcrfc94GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd11jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd11jjbfgdBd11jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk:;Deludndndnadch9pmbabaeSmdaeabadfgi9Rcbadcet9R0mekabaead;8qbbxekaeab7ciGhldndndnabae9pmbdnalTmbadhvabhixikdnabciGmbadhvabhixdkadTmiabaeRbb86bbadcufhvdnabcefgiciGmbaecefhexdkavTmiabaeRbe86beadc9:fhvdnabcdfgiciGmbaecdfhexdkavTmiabaeRbd86bdadc99fhvdnabcifgiciGmbaecifhexdkavTmiabaeRbi86biabclfhiaeclfheadc98fhvxekdnalmbdnaiciGTmbadTmlabadcufgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc9:fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc99fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc98fgdfaeadfRbb86bbkadcl6mbdnadc98fgocd4cefciGgiTmbaec98fhlabc98fhvinavadfaladfydbBdbadc98fhdaicufgimbkkaocx6mbaec9Wfhvabc9WfhoinaoadfgicxfavadfglcxfydbBdbaicwfalcwfydbBdbaiclfalclfydbBdbaialydbBdbadc9Wfgdci0mbkkadTmdadhidnadciGglTmbaecufhvabcufhoadhiinaoaifavaifRbb86bbaicufhialcufglmbkkadcl6mdaec98fhlabc98fhvinavaifgecifalaifgdcifRbb86bbaecdfadcdfRbb86bbaecefadcefRbb86bbaeadRbb86bbaic98fgimbxikkavcl6mbdnavc98fglcd4cefcrGgdTmbavadcdt9RhvinaiaeydbBdbaeclfheaiclfhiadcufgdmbkkalc36mbinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaiaeydzBdzaiaeydCBdCaiaeydKBdKaiaeyd3Bd3aecafheaicafhiavc9Gfgvci0mbkkavTmbdndnavcrGgdmbavhlxekavc94GhlinaiaeRbb86bbaicefhiaecefheadcufgdmbkkavcw6mbinaiaeRbb86bbaiaeRbe86beaiaeRbd86bdaiaeRbi86biaiaeRbl86blaiaeRbv86bvaiaeRbo86boaiaeRbr86braicwfhiaecwfhealc94fglmbkkabkkAebcjwkxebbbdbbbzNbb'; // embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
diff --git a/js/meshopt_clusterizer.module.js b/js/meshopt_clusterizer.module.js
index 24a370a271..a0ccbf1336 100644
--- a/js/meshopt_clusterizer.module.js
+++ b/js/meshopt_clusterizer.module.js
@@ -1,10 +1,10 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptClusterizer = (function () {
-	// Built with clang version 18.1.2
+	// Built with clang version 19.1.5-wasi-sdk
 	// Built from meshoptimizer 0.22
 	var wasm =
-		'b9H79Tebbbefx9Geueu9Geub9Gbb9Giuuueu9Gkuuuuuuuuuu99eu9Gvuuuuueu9Gkuuuuuuuuu9999eu9Gruuuuuuub9Gkuuuuuuuuuuueu9Gouuuuuub9Giuuub9GluuuubiOHdilvorwDqrkbiibeilve9Weiiviebeoweuec:q:Odkr:Yewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9I919P29K9nW79O2Wt79c9V919U9KbeX9TW79O9V9Wt9F9I919P29K9nW79O2Wt7bd39TW79O9V9Wt9F9J9V9T9W91tWJ2917tWV9c9V919U9K7br39TW79O9V9Wt9F9J9V9T9W91tW9nW79O2Wt9c9V919U9K7bDL9TW79O9V9Wt9F9V9Wt9P9T9P96W9nW79O2Wtbql79IV9RbkDwebcekdsPq;L9kHdbkIbabaec9:fgefcufae9Ugeabci9Uadfcufad9Ugbaeab0Ek:oAlPue99eux998Jjjjjbc:We9Rgk8Kjjjjbakc;mbfcbc;Kbz:njjjb8AakcuaocdtgxaocFFFFi0Egmcbyd:e1jjbHjjjjbbgPBd9makceBd:SeakaPBdnakamcbyd:e1jjbHjjjjbbgsBd9qakcdBd:SeakasBd9eakcualcdtalcFFFFi0Ecbyd:e1jjbHjjjjbbgzBd9uakazBd9iakciBd:SeaPcbaxz:njjjbhHalci9UhOdnalTmbaihPalhAinaHaPydbcdtfgCaCydbcefBdbaPclfhPaAcufgAmbkkdnaoTmbcbhPashAaHhCaohXinaAaPBdbaAclfhAaCydbaPfhPaCclfhCaXcufgXmbkkdnalci6mbcbhPaihAinaAcwfydbhCaAclfydbhXasaAydbcdtfgQaQydbgQcefBdbazaQcdtfaPBdbasaXcdtfgXaXydbgXcefBdbazaXcdtfaPBdbasaCcdtfgCaCydbgCcefBdbazaCcdtfaPBdbaAcxfhAaOaPcefgP9hmbkkdnaoTmbaHhAashPaohCinaPaPydbaAydb9RBdbaAclfhAaPclfhPaCcufgCmbkkakamcbyd:e1jjbHjjjjbbgPBd9yakclBd:SeaPaHaxz:mjjjbhmakaOcbyd:e1jjbHjjjjbbgPBd9CakcvBd:SeaPcbaOz:njjjbhLakcuaOcK2alcjjjjd0Ecbyd:e1jjbHjjjjbbgKBd9GakcoBd:SeJbbbbhYdnalci6g8Ambarcd4hxaihAaKhPaOhrJbbbbhEinavaAclfydbax2cdtfgCIdlh3avaAydbax2cdtfgXIdlhYavaAcwfydbax2cdtfgQIdlh5aCIdwh8EaXIdwh8FaQIdwhaaPaCIdbghaXIdbggMaQIdbg8JMJbbnn:vUdbaPclfaXIdlaCIdlMaQIdlMJbbnn:vUdbaQIdwh8KaCIdwh8LaXIdwh8MaPcxfa3aY:tg3aaa8F:tgaNa5aY:tg5a8Ea8F:tg8EN:tgYJbbbbJbbjZahag:tgha5Na8Jag:tgga3N:tg8Fa8FNaYaYNa8EagNaaahN:tgYaYNMM:rgg:vagJbbbb9BEg3NUdbaPczfaYa3NUdbaPcCfa8Fa3NUdbaPcwfa8Ka8Ma8LMMJbbnn:vUdbaEagMhEaAcxfhAaPcKfhParcufgrmbkaEaO:Z:vJbbbZNhYkakcuaOcdtalcFFFF970Ecbyd:e1jjbHjjjjbbgCBd9KakcrBd:SeaYaD:ZN:rhYdna8AmbcbhPaChAinaAaPBdbaAclfhAaOaPcefgP9hmbkkaYJbbbZNh8MakcuaOcltalcFFFFd0Ecbyd:e1jjbHjjjjbbg8ABd9OakcwBd:Secba8AaKaCaOz:djjjb8Aakaocbyd:e1jjbHjjjjbbgPBd2aPcFeaoz:njjjbhrakc8Wfcwf9cb83ibak9cb83i8WcbhPJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgcbhlinJbbbbh3dnaPTmbJbbjZaP:Z:vh3kaka8Ea3NgaUdaaka5a3NghUd3akaEa3Ng8JUdKJbbbbh3dnagagNaYaYNa8Fa8FNMMg8KJbbbb9BmbJbbjZa8K:r:vh3kakaga3NUd8Saka8Fa3NUdyakaYa3NUd8Kdndndnakyd8WgQakydUgAakcKfaeaiakc;abfaKamara8Maqz:ejjjbgCcuSmbdnaPaD9pmbaAaraiaCcx2fgXydbfRbbcFeSfaraXclfydbfRbbcFeSfaraXcwfydbfRbbcFeSfaw9nmdkaQaAcbaeaiakc;abfaKamara8MJbbbbz:ejjjbgCcu9hmekakaaUdCakahUdzaka8JUdxakcuBdwakcFFF;7rBdla8AcbaKaLakcxfakcwfakclfz:fjjjbakydwgCcuSmekdnakc8WfaiaCcx2fgOydbgPaOclfydbgAaOcwfydbgXarabaeadalawaDz:gjjjbTmbalcefhlJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgkamaPcdtfgPaPydbcufBdbamaAcdtfgPaPydbcufBdbamaXcdtfgPaPydbcufBdbcbhXinazasaOaXcdtfydbcdtgAfydbcdtfgxhPaHaAfgvydbgQhAdnaQTmbdninaPydbaCSmeaPclfhPaAcufgATmdxbkkaPaxaQcdtfc98fydbBdbavavydbcufBdbkaXcefgXci9hmbkaKaCcK2fgPIdbh3aPIdlhaaPIdwhhaPIdxh8JaPIdzh8KaPIdCh8LaLaCfce86bbaga8LMhga8Fa8KMh8FaYa8JMhYa8EahMh8Ea5aaMh5aEa3MhEakyd88hPxekkdnaPTmbdnakyd80gAaPci2fgCciGTmbadaCfcbaPaAcu7fciGcefz:njjjb8AkabalcltfgPak8Pi8W83dbaPcwfakc8Wfcwf8Pib83dbalcefhlkcahPdninaPc98Smeakc;mbfaPfydbcbydj1jjbH:bjjjbbaPc98fhPxbkkakc:Wef8Kjjjjbalk;3vivuv99lu8Jjjjjbca9Rgv8Kjjjjbdndnalcw0mbaiydbhoaeabcitfgralcdtcufBdlaraoBdbdnalcd6mbaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkkalabfhrxekcbhDavczfcwfcbBdbav9cb83izavcwfcbBdbav9cb83ibJbbjZhqJbbjZhkinadaiaDcdtfydbcK2fhwcbhrinavczfarfgoawarfIdbgxaoIdbgm:tgPakNamMgmUdbavarfgoaPaxam:tNaoIdbMUdbarclfgrcx9hmbkJbbjZaqJbbjZMgq:vhkaDcefgDal9hmbkcbhoadcbcecdavIdlgxavIdwgm9GEgravIdbgPam9GEaraPax9GEgscdtgrfhzavczfarfIdbhxaihralhwinaiaocdtfgDydbhHaDarydbgOBdbaraHBdbarclfhraoazaOcK2fIdbax9Dfhoawcufgwmbkaeabcitfhrdndnaocv6mbaoalc98f6mekaraiydbBdbaralcdtcufBdlaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkalabfhrxekaraxUdbaeabcitfgrarydlc98GasVBdlabcefaeadaiaoz:djjjbhwararydlciGawabcu7fcdtVBdlawaeadaiaocdtfalao9Rz:djjjbhrkavcaf8Kjjjjbark;Bloeue99vue99Due99dndnaembcuhkxekJbbjZaq:thxaiabcdtfhmavydbhPavydlhsavydwhzcbhHJFFuuhOcvhbcuhkindnaPamaHcdtfydbcdtgvfydbgATmbazasavfydbcdtfhiindndnawalaiydbgCcx2fgvclfydbgXfRbbcFeSawavydbgQfRbbcFeSfawavcwfydbgLfRbbcFeSfgKmbcbhvxekcehvaraQcdtfydbgYceSmbcehvaraXcdtfydbg8AceSmbcehvaraLcdtfydbgEceSmbdna8AcdSaYcdSfaEcdSfcd6mbaKcefhvxekaKcdfhvkdnavab9kmbdndnadTmbaoaCcK2fgQIdwadIdw:tg3a3NaQIdbadIdb:tg3a3NaQIdladIdl:tg3a3NMM:raD:vaxNJbbjZMJ9VO:d86JbbjZaQIdCadIdCNaQIdxadIdxNaQIdzadIdzNMMaqN:tg3a3J9VO:d869DENh3xekaraQcdtfydbaraXcdtfydbfaraLcdtfydbfc99f:Zh3kaCakavab6a3aO9DVgQEhkavabaQEhba3aOaQEhOkaiclfhiaAcufgAmbkkaHcefgHae9hmbkkakk;bddlue99dndndnabaecitfgrydlgwciGgDci9hmbarclfhqxekinabcbawcd4gwalaDcdtfIdbabaecitfIdb:tgkJbbbb9FEgDaecefgefadaialavaoz:fjjjbak:laoIdb9FTmdabaDaw7aefgecitfgrydlgwciGgDci9hmbkarclfhqkabaecitfhecuhbindnaiaeydbgDfRbbmbadaDcK2fgrIdwalIdw:tgkakNarIdbalIdb:tgkakNarIdlalIdl:tgkakNMM:rgkaoIdb9DTmbaoakUdbavaDBdbaqydbhwkaecwfheabcefgbawcd46mbkkk;yleoudnaladfgkRbbcFeSalaefgxRbbgmcFeSfabydwgPfalaifgsRbbcFeSfaD0abydxaq9pVgzce9hmbavawcltfgmab8Pdb83dbamcwfabcwfgm8Pdb83dbdndnamydbmbcbhqxekcbhDaohminalamabydbcdtfydbfcFe86bbamclfhmaDcefgDabydwgq6mbkkdnabydxglci2gDabydlgmfgPciGTmbaraPfcbalamcu7fciGcefz:njjjb8Aabydxci2hDabydlhmabydwhqkab9cb83dwababydbaqfBdbabaDcifc98GamfBdlaxRbbhmcbhPkdnamcFeGcFe9hmbaxaP86bbababydwgmcefBdwaoabydbcdtfamcdtfaeBdbkdnakRbbcFe9hmbakabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfadBdbkdnasRbbcFe9hmbasabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfaiBdbkarabydlfabydxci2faxRbb86bbarabydlfabydxci2fcefakRbb86bbarabydlfabydxci2fcdfasRbb86bbababydxcefBdxazk;Ckovud99euv99eul998Jjjjjbc:G;ae9Rgo8KjjjjbdndnadTmbavcd4hrcbhwcbhDindnaiaeclfydbar2cdtfgvIdbaiaeydbar2cdtfgqIdbgk:tgxaiaecwfydbar2cdtfgmIdlaqIdlgP:tgsNamIdbak:tgzavIdlaP:tgPN:tgkakNaPamIdwaqIdwgH:tgONasavIdwaH:tgHN:tgPaPNaHazNaOaxN:tgxaxNMM:rgsJbbbb9Bmbaoc:G:qefawcx2fgAakas:vUdwaAaxas:vUdlaAaPas:vUdbaocafawc8K2fgAaq8Pdb83dbaAav8Pdb83dxaAam8Pdb83dKaAcwfaqcwfydbBdbaAcCfavcwfydbBdbaAcafamcwfydbBdbawcefhwkaecxfheaDcifgDad6mbkab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbawTmeao9cb83iKao9cb83izaoczfaocafawci2z1jjjbaoIdKhCaoIdChXaoIdzhQao9cb83iwao9cb83ibaoaoc:G:qefawz1jjjbJbbjZhkaoIdwgPJbbbbJbbjZaPaPNaoIdbgPaPNaoIdlgsasNMM:rgx:vaxJbbbb9BEgzNhxasazNhsaPazNhzaoc:G:qefheawhvinaecwfIdbaxNaeIdbazNasaeclfIdbNMMgPakaPak9DEhkaecxfheavcufgvmbkabaCUdwabaXUdlabaQUdbabaoId3UdxdndnakJ;n;m;m899FmbJbbbbhPaoc:G:qefheaocafhvinaCavcwfIdb:taecwfIdbgHNaQavIdb:taeIdbgONaXavclfIdb:taeclfIdbgLNMMaxaHNazaONasaLNMM:vgHaPaHaP9EEhPavc8KfhvaecxfheawcufgwmbkabazUd3abc8KfaxUdbabcafasUdbabcKfaCaxaPN:tUdbabcCfaXasaPN:tUdbabaQazaPN:tUdzabJbbjZakakN:t:rgkUdydndnaxJbbj:;axJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;axJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohexekcjjjj94hekabc8Ufae86bbdndnasJbbj:;asJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;asJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohvxekcjjjj94hvkabcRfav86bbdndnazJbbj:;azJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;azJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohqxekcjjjj94hqkabaq86b8SdndnaecKtcK91:YJbb;:9c:vax:t:lavcKtcK91:YJbb;:9c:vas:t:laqcKtcK91:YJbb;:9c:vaz:t:lakMMMJbb;:9cNJbbjZMgk:lJbbb9p9DTmbak:Ohexekcjjjj94hekaecFbaecFb9iEhexekabcjjj;8iBdycFbhekabae86b8Vxekab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbkaoc:G;aef8Kjjjjbk:mvdouq99cbhi8Jjjjjbca9RglczfcwfcbBdbal9cb83izalcwfcbBdbal9cb83ibdnadTmbcbhvinaeaifhocbhrinalczfarfgwavawydbgwaoarfIdbgDaearawcx2ffIdb9DEBdbalarfgwavawydbgwaDaearawcx2ffIdb9EEBdbarclfgrcx9hmbkaicxfhiavcefgvad9hmbkkJbbbbhDcbhrcbhicbhvinaealarfydbcx2fgwIdwaealczfarfydbcx2fgoIdw:tgqaqNawIdbaoIdb:tgqaqNawIdlaoIdl:tgqaqNMMgqaDaqaD9EgwEhDavaiawEhiarclfhravcefgvci9hmbkaealczfaicdtgvfydbcx2fgrIdwaealavfydbcx2fglIdwMJbbbZNhqarIdlalIdlMJbbbZNhkarIdbalIdbMJbbbZNhxaD:rJbbbZNhDdnadTmbindnaecwfIdbgmaq:tgPaPNaeIdbgsax:tgPaPNaeclfIdbgzak:tgPaPNMMgPaDaDN9ETmbaqaDaP:rgH:vJbbbZNJbbbZMgPNamJbbjZaP:tgONMhqakaPNazaONMhkaxaPNasaONMhxaDaHMJbbbZNhDkaecxfheadcufgdmbkkabaDUdxabaqUdwabakUdlabaxUdbkjeeiu8Jjjjjbcj8W9Rgr8Kjjjjbaici2hwdnaiTmbawceawce0EhDarhiinaiaeadRbbcdtfydbBdbadcefhdaiclfhiaDcufgDmbkkabarawaladaoz:hjjjbarcj8Wf8Kjjjjbk:Ylequ8Jjjjjbcjx9Rgl8Kjjjjbcbhvalcjqfcbaiz:njjjb8AdndnadTmbcjehoaehrincuhwarhDcuhqavhkdninawakaoalcjqfaDcefRbbfRbb9RcFeGci6aoalcjqfaDRbbfRbb9RcFeGci6faoalcjqfaDcdfRbbfRbb9RcFeGci6fgxaq9mgmEhwdnammbaxce0mdkaxaqaxaq9kEhqaDcifhDadakcefgk9hmbkkaeawci2fgDcdfRbbhqaDcefRbbhxaDRbbhkaeavci2fgDcifaDawav9Rci2z:qjjjb8Aakalcjqffaocefgo86bbaxalcjqffao86bbaDcdfaq86bbaDcefax86bbaDak86bbaqalcjqffao86bbarcifhravcefgvad9hmbkalcFeaiz:njjjbhoadci2gDceaDce0EhqcbhxindnaoaeRbbgkfgwRbbgDcFe9hmbawax86bbaocjdfaxcdtfabakcdtfydbBdbaxhDaxcefhxkaeaD86bbaecefheaqcufgqmbkaxcdthDxekcbhDkabalcjdfaDz:mjjjb8Aalcjxf8Kjjjjbk9teiucbcbyd11jjbgeabcifc98GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd11jjbgeabcrfc94GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd11jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd11jjbfgdBd11jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk:;Deludndndnadch9pmbabaeSmdaeabadfgi9Rcbadcet9R0mekabaead;8qbbxekaeab7ciGhldndndnabae9pmbdnalTmbadhvabhixikdnabciGmbadhvabhixdkadTmiabaeRbb86bbadcufhvdnabcefgiciGmbaecefhexdkavTmiabaeRbe86beadc9:fhvdnabcdfgiciGmbaecdfhexdkavTmiabaeRbd86bdadc99fhvdnabcifgiciGmbaecifhexdkavTmiabaeRbi86biabclfhiaeclfheadc98fhvxekdnalmbdnaiciGTmbadTmlabadcufgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc9:fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc99fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc98fgdfaeadfRbb86bbkadcl6mbdnadc98fgocd4cefciGgiTmbaec98fhlabc98fhvinavadfaladfydbBdbadc98fhdaicufgimbkkaocx6mbaec9Wfhvabc9WfhoinaoadfgicxfavadfglcxfydbBdbaicwfalcwfydbBdbaiclfalclfydbBdbaialydbBdbadc9Wfgdci0mbkkadTmdadhidnadciGglTmbaecufhvabcufhoadhiinaoaifavaifRbb86bbaicufhialcufglmbkkadcl6mdaec98fhlabc98fhvinavaifgecifalaifgdcifRbb86bbaecdfadcdfRbb86bbaecefadcefRbb86bbaeadRbb86bbaic98fgimbxikkavcl6mbdnavc98fglcd4cefcrGgdTmbavadcdt9RhvinaiaeydbBdbaeclfheaiclfhiadcufgdmbkkalc36mbinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaiaeydzBdzaiaeydCBdCaiaeydKBdKaiaeyd3Bd3aecafheaicafhiavc9Gfgvci0mbkkavTmbdndnavcrGgdmbavhlxekavc94GhlinaiaeRbb86bbaicefhiaecefheadcufgdmbkkavcw6mbinaiaeRbb86bbaiaeRbe86beaiaeRbd86bdaiaeRbi86biaiaeRbl86blaiaeRbv86bvaiaeRbo86boaiaeRbr86braicwfhiaecwfhealc94fglmbkkabkkAebcjwkxebbbdbbbzNbb'; // embed! wasm
+		'b9H79Tebbbefx9Geueu9Geub9Gbb9Giuuueu9Gkuuuuuuuuuu99eu9Gvuuuuueu9Gkuuuuuuuuu9999eu9Gruuuuuuub9Gkuuuuuuuuuuueu9Gouuuuuub9Giuuub9GluuuubiOHdilvorwDqrkbiibeilve9Weiiviebeoweuec:q:Odkr:Yewo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9I919P29K9nW79O2Wt79c9V919U9KbeX9TW79O9V9Wt9F9I919P29K9nW79O2Wt7bd39TW79O9V9Wt9F9J9V9T9W91tWJ2917tWV9c9V919U9K7br39TW79O9V9Wt9F9J9V9T9W91tW9nW79O2Wt9c9V919U9K7bDL9TW79O9V9Wt9F9V9Wt9P9T9P96W9nW79O2Wtbql79IV9RbkDwebcekdsPq:y9kHdbkIbabaec9:fgefcufae9Ugeabci9Uadfcufad9Ugbaeab0Ek:oAlPue99eux998Jjjjjbc:We9Rgk8Kjjjjbakc;mbfcbc;Kbz:njjjb8AakcuaocdtgxaocFFFFi0Egmcbyd:e1jjbHjjjjbbgPBd9makceBd:SeakaPBdnakamcbyd:e1jjbHjjjjbbgsBd9qakcdBd:SeakasBd9eakcualcdtalcFFFFi0Ecbyd:e1jjbHjjjjbbgzBd9uakazBd9iakciBd:SeaPcbaxz:njjjbhHalci9UhOdnalTmbaihPalhAinaHaPydbcdtfgCaCydbcefBdbaPclfhPaAcufgAmbkkdnaoTmbcbhPashAaHhCaohXinaAaPBdbaAclfhAaCydbaPfhPaCclfhCaXcufgXmbkkdnalci6mbcbhPaihAinaAcwfydbhCaAclfydbhXasaAydbcdtfgQaQydbgQcefBdbazaQcdtfaPBdbasaXcdtfgXaXydbgXcefBdbazaXcdtfaPBdbasaCcdtfgCaCydbgCcefBdbazaCcdtfaPBdbaAcxfhAaOaPcefgP9hmbkkdnaoTmbaHhAashPaohCinaPaPydbaAydb9RBdbaAclfhAaPclfhPaCcufgCmbkkakamcbyd:e1jjbHjjjjbbgPBd9yakclBd:SeaPaHaxz:mjjjbhmakaOcbyd:e1jjbHjjjjbbgPBd9CakcvBd:SeaPcbaOz:njjjbhLakcuaOcK2alcjjjjd0Ecbyd:e1jjbHjjjjbbgKBd9GakcoBd:SeJbbbbhYdnalci6g8Ambarcd4hxaihAaKhPaOhrJbbbbhEinavaAclfydbax2cdtfgCIdlh3avaAydbax2cdtfgXIdlhYavaAcwfydbax2cdtfgQIdlh5aCIdwh8EaXIdwh8FaQIdwhaaPaCIdbghaXIdbggMaQIdbg8JMJbbnn:vUdbaPclfaXIdlaCIdlMaQIdlMJbbnn:vUdbaQIdwh8KaCIdwh8LaXIdwh8MaPcxfa3aY:tg3aaa8F:tgaNa5aY:tg5a8Ea8F:tg8EN:tgYJbbbbJbbjZahag:tgha5Na8Jag:tgga3N:tg8Fa8FNaYaYNa8EagNaaahN:tgYaYNMM:rgg:vagJbbbb9BEg3NUdbaPczfaYa3NUdbaPcCfa8Fa3NUdbaPcwfa8Ka8Ma8LMMJbbnn:vUdbaEagMhEaAcxfhAaPcKfhParcufgrmbkaEaO:Z:vJbbbZNhYkakcuaOcdtalcFFFF970Ecbyd:e1jjbHjjjjbbgCBd9KakcrBd:SeaYaD:ZN:rhYdna8AmbcbhPaChAinaAaPBdbaAclfhAaOaPcefgP9hmbkkaYJbbbZNh8MakcuaOcltalcFFFFd0Ecbyd:e1jjbHjjjjbbg8ABd9OakcwBd:Secba8AaKaCaOz:djjjb8Aakaocbyd:e1jjbHjjjjbbgPBd2aPcFeaoz:njjjbhrakc8Wfcwf9cb83ibak9cb83i8WcbhPJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgcbhlinJbbbbh3dnaPTmbJbbjZaP:Z:vh3kaka8Ea3NgaUdaaka5a3NghUd3akaEa3Ng8JUdKJbbbbh3dnagagNaYaYNa8Fa8FNMMg8KJbbbb9BmbJbbjZa8K:r:vh3kakaga3NUd8Saka8Fa3NUdyakaYa3NUd8Kdndndnakyd8WgQakydUgAakcKfaeaiakc;abfaKamara8Maqz:ejjjbgCcuSmbdnaPaD9pmbaAaraiaCcx2fgXydbfRbbcFeSfaraXclfydbfRbbcFeSfaraXcwfydbfRbbcFeSfaw9nmdkaQaAcbaeaiakc;abfaKamara8MJbbbbz:ejjjbgCcu9hmekakaaUdCakahUdzaka8JUdxakcuBdwakcFFF;7rBdla8AcbaKaLakcxfakcwfakclfz:fjjjbakydwgCcuSmekdnakc8WfaiaCcx2fgOydbgPaOclfydbgAaOcwfydbgXarabaeadalawaDz:gjjjbTmbalcefhlJbbbbhEJbbbbh5Jbbbbh8EJbbbbhYJbbbbh8FJbbbbhgkamaPcdtfgPaPydbcufBdbamaAcdtfgPaPydbcufBdbamaXcdtfgPaPydbcufBdbcbhXinazasaOaXcdtfydbcdtgAfydbcdtfgxhPaHaAfgvydbgQhAdnaQTmbdninaPydbaCSmeaPclfhPaAcufgATmdxbkkaPaxaQcdtfc98fydbBdbavavydbcufBdbkaXcefgXci9hmbkaKaCcK2fgPIdbh3aPIdlhaaPIdwhhaPIdxh8JaPIdzh8KaPIdCh8LaLaCfce86bbaga8LMhga8Fa8KMh8FaYa8JMhYa8EahMh8Ea5aaMh5aEa3MhEakyd88hPxekkdnaPTmbdnakyd80gAaPci2fgCciGTmbadaCfcbaPaAcu7fciGcefz:njjjb8AkabalcltfgPak8Pi8W83dbaPcwfakc8Wfcwf8Pib83dbalcefhlkcahPdninaPc98Smeakc;mbfaPfydbcbydj1jjbH:bjjjbbaPc98fhPxbkkakc:Wef8Kjjjjbalk;Vvivuv99lu8Jjjjjbca9Rgv8Kjjjjbdndnalcw0mbaiydbhoaeabcitfgralcdtcufBdlaraoBdbdnalcd6mbaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkkalabfhrxekcbhDavczfcwfcbBdbav9cb83izavcwfcbBdbav9cb83ibJbbjZhqJbbjZhkinadaiaDcdtfydbcK2fhwcbhrinavczfarfgoawarfIdbgxaoIdbgm:tgPakNamMgmUdbavarfgoaPaxam:tNaoIdbMUdbarclfgrcx9hmbkJbbjZaqJbbjZMgq:vhkaDcefgDal9hmbkcbhoadcbcecdavIdlgxavIdwgm9GEgravIdbgPam9GEaraPax9GEgscdtgrfhzavczfarfIdbhxaihralhwinaiaocdtfgDydbhHaDarydbgOBdbaraHBdbarclfhraoazaOcK2fIdbax9Dfhoawcufgwmbkaeabcitfhrdndnaocv6mbaoalc98f6mekaraiydbBdbaralcdtcufBdlaiclfhoalcufhwarcxfhrinaoydbhDarcuBdbarc98faDBdbarcwfhraoclfhoawcufgwmbkalabfhrxekaraxUdbararydlc98GasVBdlabcefaeadaiaoz:djjjbhwararydlciGawabcu7fcdtVBdlawaeadaiaocdtfalao9Rz:djjjbhrkavcaf8Kjjjjbark;Bloeue99vue99Due99dndnaembcuhkxekJbbjZaq:thxaiabcdtfhmavydbhPavydlhsavydwhzcbhHJFFuuhOcvhbcuhkindnaPamaHcdtfydbcdtgvfydbgATmbazasavfydbcdtfhiindndnawalaiydbgCcx2fgvclfydbgXfRbbcFeSawavydbgQfRbbcFeSfawavcwfydbgLfRbbcFeSfgKmbcbhvxekcehvaraQcdtfydbgYceSmbcehvaraXcdtfydbg8AceSmbcehvaraLcdtfydbgEceSmbdna8AcdSaYcdSfaEcdSfcd6mbaKcefhvxekaKcdfhvkdnavab9kmbdndnadTmbaoaCcK2fgQIdwadIdw:tg3a3NaQIdbadIdb:tg3a3NaQIdladIdl:tg3a3NMM:raD:vaxNJbbjZMJ9VO:d86JbbjZaQIdCadIdCNaQIdxadIdxNaQIdzadIdzNMMaqN:tg3a3J9VO:d869DENh3xekaraQcdtfydbaraXcdtfydbfaraLcdtfydbfc99f:Zh3kaCakavab6a3aO9DVgQEhkavabaQEhba3aOaQEhOkaiclfhiaAcufgAmbkkaHcefgHae9hmbkkakk:Pddiue99dndnabaecitfgrydlgwciGgDciSmbinabcbawcd4gwalaDcdtfIdbarIdb:tgqJbbbb9FEgraecefgefadaialavaoz:fjjjbaq:laoIdb9FTmdabaraw7aefgecitfgrydlgwciGgDci9hmbkkabaecitfgeclfhDcuhbindnaiaeydbgrfRbbmbadarcK2fgwIdwalIdw:tgqaqNawIdbalIdb:tgqaqNawIdlalIdl:tgqaqNMM:rgqaoIdb9DTmbaoaqUdbavarBdbkaecwfheabcefgbaDydbcd46mbkkk;yleoudnaladfgkRbbcFeSalaefgxRbbgmcFeSfabydwgPfalaifgsRbbcFeSfaD0abydxaq9pVgzce9hmbavawcltfgmab8Pdb83dbamcwfabcwfgm8Pdb83dbdndnamydbmbcbhqxekcbhDaohminalamabydbcdtfydbfcFe86bbamclfhmaDcefgDabydwgq6mbkkdnabydxglci2gDabydlgmfgPciGTmbaraPfcbalamcu7fciGcefz:njjjb8Aabydxci2hDabydlhmabydwhqkab9cb83dwababydbaqfBdbabaDcifc98GamfBdlaxRbbhmcbhPkdnamcFeGcFe9hmbaxaP86bbababydwgmcefBdwaoabydbcdtfamcdtfaeBdbkdnakRbbcFe9hmbakabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfadBdbkdnasRbbcFe9hmbasabydw86bbababydwgmcefBdwaoabydbcdtfamcdtfaiBdbkarabydlfabydxci2faxRbb86bbarabydlfabydxci2fcefakRbb86bbarabydlfabydxci2fcdfasRbb86bbababydxcefBdxazk;kkovud99euv99eul998Jjjjjbc:G;ae9Rgo8KjjjjbdndnadTmbavcd4hrcbhwcbhDindnaiaeclfydbar2cdtfgvIdbaiaeydbar2cdtfgqIdbgk:tgxaiaecwfydbar2cdtfgmIdlaqIdlgP:tgsNamIdbak:tgzavIdlaP:tgPN:tgkakNaPamIdwaqIdwgH:tgONasavIdwaH:tgHN:tgPaPNaHazNaOaxN:tgxaxNMM:rgsJbbbb9Bmbaoc:G:qefawcx2fgAakas:vUdwaAaxas:vUdlaAaPas:vUdbaocafawc8K2fgAaq8Pdb83dbaAav8Pdb83dxaAam8Pdb83dKaAcwfaqcwfydbBdbaAcCfavcwfydbBdbaAcafamcwfydbBdbawcefhwkaecxfheaDcifgDad6mbkab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbawTmeao9cb83iKao9cb83izaoczfaocafawci2z1jjjbaoIdKhCaoIdChXaoIdzhQao9cb83iwao9cb83ibaoaoc:G:qefawz1jjjbJbbjZhkaoIdwgPJbbbbJbbjZaPaPNaoIdbgPaPNaoIdlgsasNMM:rgx:vaxJbbbb9BEgzNhxasazNhsaPazNhzaoc:G:qefheawhvinaecwfIdbaxNaeIdbazNasaeclfIdbNMMgPakaPak9DEhkaecxfheavcufgvmbkabaCUdwabaXUdlabaQUdbabaoId3UdxdndnakJ;n;m;m899FmbJbbbbhPaoc:G:qefheaocafhvinaCavcwfIdb:taecwfIdbgHNaQavIdb:taeIdbgONaXavclfIdb:taeclfIdbgLNMMaxaHNazaONasaLNMM:vgHaPaHaP9EEhPavc8KfhvaecxfheawcufgwmbkabaxUd8KabasUdaabazUd3abaCaxaPN:tUdKabaXasaPN:tUdCabaQazaPN:tUdzabJbbjZakakN:t:rgkUdydndnaxJbbj:;axJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;axJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohexekcjjjj94hekabae86b8UdndnasJbbj:;asJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;asJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohvxekcjjjj94hvkabav86bRdndnazJbbj:;azJbbj:;9GEgPJbbjZaPJbbjZ9FEJbb;:9cNJbbbZJbbb:;azJbbbb9GEMgP:lJbbb9p9DTmbaP:Ohqxekcjjjj94hqkabaq86b8SdndnaecKtcK91:YJbb;:9c:vax:t:lavcKtcK91:YJbb;:9c:vas:t:laqcKtcK91:YJbb;:9c:vaz:t:lakMMMJbb;:9cNJbbjZMgk:lJbbb9p9DTmbak:Ohexekcjjjj94hekaecFbaecFb9iEhexekabcjjj;8iBdycFbhekabae86b8Vxekab9cb83dbabcyf9cb83dbabcaf9cb83dbabcKf9cb83dbabczf9cb83dbabcwf9cb83dbkaoc:G;aef8Kjjjjbk:mvdouq99cbhi8Jjjjjbca9RglczfcwfcbBdbal9cb83izalcwfcbBdbal9cb83ibdnadTmbcbhvinaeaifhocbhrinalczfarfgwavawydbgwaoarfIdbgDaearawcx2ffIdb9DEBdbalarfgwavawydbgwaDaearawcx2ffIdb9EEBdbarclfgrcx9hmbkaicxfhiavcefgvad9hmbkkJbbbbhDcbhrcbhicbhvinaealarfydbcx2fgwIdwaealczfarfydbcx2fgoIdw:tgqaqNawIdbaoIdb:tgqaqNawIdlaoIdl:tgqaqNMMgqaDaqaD9EgwEhDavaiawEhiarclfhravcefgvci9hmbkaealczfaicdtgvfydbcx2fgrIdwaealavfydbcx2fglIdwMJbbbZNhqarIdlalIdlMJbbbZNhkarIdbalIdbMJbbbZNhxaD:rJbbbZNhDdnadTmbindnaecwfIdbgmaq:tgPaPNaeIdbgsax:tgPaPNaeclfIdbgzak:tgPaPNMMgPaDaDN9ETmbaqaDaP:rgH:vJbbbZNJbbbZMgPNamJbbjZaP:tgONMhqakaPNazaONMhkaxaPNasaONMhxaDaHMJbbbZNhDkaecxfheadcufgdmbkkabaDUdxabaqUdwabakUdlabaxUdbkjeeiu8Jjjjjbcj8W9Rgr8Kjjjjbaici2hwdnaiTmbawceawce0EhDarhiinaiaeadRbbcdtfydbBdbadcefhdaiclfhiaDcufgDmbkkabarawaladaoz:hjjjbarcj8Wf8Kjjjjbk:Ylequ8Jjjjjbcjx9Rgl8Kjjjjbcbhvalcjqfcbaiz:njjjb8AdndnadTmbcjehoaehrincuhwarhDcuhqavhkdninawakaoalcjqfaDcefRbbfRbb9RcFeGci6aoalcjqfaDRbbfRbb9RcFeGci6faoalcjqfaDcdfRbbfRbb9RcFeGci6fgxaq9mgmEhwdnammbaxce0mdkaxaqaxaq9kEhqaDcifhDadakcefgk9hmbkkaeawci2fgDcdfRbbhqaDcefRbbhxaDRbbhkaeavci2fgDcifaDawav9Rci2z:qjjjb8Aakalcjqffaocefgo86bbaxalcjqffao86bbaDcdfaq86bbaDcefax86bbaDak86bbaqalcjqffao86bbarcifhravcefgvad9hmbkalcFeaiz:njjjbhoadci2gDceaDce0EhqcbhxindnaoaeRbbgkfgwRbbgDcFe9hmbawax86bbaocjdfaxcdtfabakcdtfydbBdbaxhDaxcefhxkaeaD86bbaecefheaqcufgqmbkaxcdthDxekcbhDkabalcjdfaDz:mjjjb8Aalcjxf8Kjjjjbk9teiucbcbyd11jjbgeabcifc98GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;teeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk:3eedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdxaialBdwaialBdlaialBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd11jjbgeabcrfc94GfgbBd11jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd11jjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd11jjbfgdBd11jjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk:;Deludndndnadch9pmbabaeSmdaeabadfgi9Rcbadcet9R0mekabaead;8qbbxekaeab7ciGhldndndnabae9pmbdnalTmbadhvabhixikdnabciGmbadhvabhixdkadTmiabaeRbb86bbadcufhvdnabcefgiciGmbaecefhexdkavTmiabaeRbe86beadc9:fhvdnabcdfgiciGmbaecdfhexdkavTmiabaeRbd86bdadc99fhvdnabcifgiciGmbaecifhexdkavTmiabaeRbi86biabclfhiaeclfheadc98fhvxekdnalmbdnaiciGTmbadTmlabadcufgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc9:fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc99fgifglaeaifRbb86bbdnalciGmbaihdxekaiTmlabadc98fgdfaeadfRbb86bbkadcl6mbdnadc98fgocd4cefciGgiTmbaec98fhlabc98fhvinavadfaladfydbBdbadc98fhdaicufgimbkkaocx6mbaec9Wfhvabc9WfhoinaoadfgicxfavadfglcxfydbBdbaicwfalcwfydbBdbaiclfalclfydbBdbaialydbBdbadc9Wfgdci0mbkkadTmdadhidnadciGglTmbaecufhvabcufhoadhiinaoaifavaifRbb86bbaicufhialcufglmbkkadcl6mdaec98fhlabc98fhvinavaifgecifalaifgdcifRbb86bbaecdfadcdfRbb86bbaecefadcefRbb86bbaeadRbb86bbaic98fgimbxikkavcl6mbdnavc98fglcd4cefcrGgdTmbavadcdt9RhvinaiaeydbBdbaeclfheaiclfhiadcufgdmbkkalc36mbinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaiaeydzBdzaiaeydCBdCaiaeydKBdKaiaeyd3Bd3aecafheaicafhiavc9Gfgvci0mbkkavTmbdndnavcrGgdmbavhlxekavc94GhlinaiaeRbb86bbaicefhiaecefheadcufgdmbkkavcw6mbinaiaeRbb86bbaiaeRbe86beaiaeRbd86bdaiaeRbi86biaiaeRbl86blaiaeRbv86bvaiaeRbo86boaiaeRbr86braicwfhiaecwfhealc94fglmbkkabkkAebcjwkxebbbdbbbzNbb'; // embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
diff --git a/js/meshopt_decoder.js b/js/meshopt_decoder.js
index 558e1f02af..e53bdb98fa 100644
--- a/js/meshopt_decoder.js
+++ b/js/meshopt_decoder.js
@@ -2,12 +2,12 @@
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptDecoder = (function () {
 	'use strict';
-	// Built with clang version 18.1.2
+	// Built with clang version 19.1.5-wasi-sdk
 	// Built from meshoptimizer 0.22
 	var wasm_base =
-		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:W:Odkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq:785qdbk:PKi3ud9:du8Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnalTmbcuhoaiRbbgrc;WeGc:Ge9hmbarcsGgwce0mbc9:hoalcufadcd4cbawEgDadfgrcKcaawEgqaraq0Egk6mbaicefhxcj;abad9Uc;WFbGgocjdaocjd6EhmaialfgPar9Rgoadfhsavaoadz1jjjbgzceVhHcbhOdndninaeaO9nmeaPax9RaD6mdamaeaO9RaOamfae6EgAcsfgoc9WGhCabaOad2fhXaAcethQaxaDfhiaocl4cifcd4hLcbhKazcjdfhYaHh8AincbhodnawTmbaxaKcd4fRbbhokaocFeGhEcbh3inaih5dndndndnaEa3cet4ciGgoc9:fPdebdkaPa59RaA6mrazcj;cbfa3aA2fa5aAz1jjjb8Aa5aAfhixdkazcj;cbfa3aA2fcbaAz:jjjjb8Aa5hixekaPa59RaL6mva5aLfhidnaCTmbaPai9RcK6mbaocdtc:q1jjbfcj1jjbawEh8Eazcj;cbfa3aA2fh8Fczhacbhrcbhqina8Faqfhodndndndndndna8Ea5aaglc9Wfco4fRbbarcoG4ciGcdtfydbPDbedvivvvlvkao9cb83bbaocwf9cb83bbxlkaocbaiRbdai8Xbb9c:c:qj:bw9:9c:q;c1:I1e:d9c:b:c:e1z9:gh9cjjjjjz:dgg9qE86bbaoaicdfag9c8N1:NfgaRbbah9c8F1:Nc;:eGg8Jcr4a8JcFb0g8JE86beaocbaaa8JfgaRbbah9cjjjjjl:dgg9qE86bdaocbaaag9c8L1:NfgaRbbah9cjjjjjd:dgg9qE86biaocbaaag9c8K1:NfgaRbbah9cjjjjje:dgg9qE86blaocbaaag9c8J1:NfgaRbbah9cjjjj;ab:dgg9qE86bvaocbaaag9cg1:NfgaRbbah9cjjjja:dgg9qE86boaocbaaag9ch1:NfgaRbbah9cjjjjz:dgh9qE86braocbaaah9ca1:NfgaRbbai8Xbe9c:c:qj:bw9:9c:q;c1:I1e:d9c:b:c:e1z9:gh9cjjjjjz:dgg9qE86bwaoaaag9c8N1:NfgiRbbah9c8F1:Nc;:eGgacr4aacFb0gaE86bDaocbaiaafgiRbbah9cjjjjjl:dgg9qE86bqaocbaiag9c8L1:NfgiRbbah9cjjjjjd:dgg9qE86bkaocbaiag9c8K1:NfgiRbbah9cjjjjje:dgg9qE86bxaocbaiag9c8J1:NfgiRbbah9cjjjj;ab:dgg9qE86bmaocbaiag9cg1:NfgiRbbah9cjjjja:dgg9qE86bPaocbaiag9ch1:NfgiRbbah9cjjjjz:dgh9qE86bsaiah9ca1:NfhixikaoaiRblaiRbbgaco4g8Ja8JciSg8JE86bbaoaiclfa8Jfg8JRbbaacl4ciGg8Ka8KciSg8KE86beaoa8Ja8Kfg8JRbbaacd4ciGg8Ka8KciSg8KE86bdaoa8Ja8Kfg8JRbbaaciGgaaaciSgaE86biaoa8Jaafg8JRbbaiRbegaco4g8Ka8KciSg8KE86blaoa8Ja8Kfg8JRbbaacl4ciGg8Ka8KciSg8KE86bvaoa8Ja8Kfg8JRbbaacd4ciGg8Ka8KciSg8KE86boaoa8Ja8Kfg8JRbbaaciGgaaaciSgaE86braoa8Jaafg8JRbbaiRbdgaco4g8Ka8KciSg8KE86bwaoa8Ja8Kfg8JRbbaacl4ciGg8Ka8KciSg8KE86bDaoa8Ja8Kfg8JRbbaacd4ciGg8Ka8KciSg8KE86bqaoa8Ja8Kfg8JRbbaaciGgaaaciSgaE86bkaoa8JaafgaRbbaiRbigico4g8Ja8JciSg8JE86bxaoaaa8JfgaRbbaicl4ciGg8Ja8JciSg8JE86bmaoaaa8JfgaRbbaicd4ciGg8Ja8JciSg8JE86bPaoaaa8JfgaRbbaiciGgiaiciSgiE86bsaaaifhixdkaoaiRbwaiRbbgacl4g8Ja8JcsSg8JE86bbaoaicwfa8Jfg8JRbbaacsGgaaacsSgaE86beaoa8JaafgaRbbaiRbeg8Jcl4g8Ka8KcsSg8KE86bdaoaaa8KfgaRbba8JcsGg8Ja8JcsSg8JE86biaoaaa8JfgaRbbaiRbdg8Jcl4g8Ka8KcsSg8KE86blaoaaa8KfgaRbba8JcsGg8Ja8JcsSg8JE86bvaoaaa8JfgaRbbaiRbig8Jcl4g8Ka8KcsSg8KE86boaoaaa8KfgaRbba8JcsGg8Ja8JcsSg8JE86braoaaa8JfgaRbbaiRblg8Jcl4g8Ka8KcsSg8KE86bwaoaaa8KfgaRbba8JcsGg8Ja8JcsSg8JE86bDaoaaa8JfgaRbbaiRbvg8Jcl4g8Ka8KcsSg8KE86bqaoaaa8KfgaRbba8JcsGg8Ja8JcsSg8JE86bkaoaaa8JfgaRbbaiRbog8Jcl4g8Ka8KcsSg8KE86bxaoaaa8KfgaRbba8JcsGg8Ja8JcsSg8JE86bmaoaaa8JfgaRbbaiRbrgicl4g8Ja8JcsSg8JE86bPaoaaa8JfgaRbbaicsGgiaicsSgiE86bsaaaifhixekaoai8Pbb83bbaocwfaicwf8Pbb83bbaiczfhikdnalaC9pmbarcdfhralczfhaaqczfhqaPai9RcL0mekkalaC6moaimexokaCmva5Tmvka3cefg3cl9hmbkdndndndnawTmbasaKcd4fRbbgociGPibedrkaATmdazaKfh8Eazcj;cbfh5cbh3aYh8Fina8ERbbhra8FhoaAhqcbhlinaoa5alfRbbgace4cbaaceG9R7arfgr86bbaoadfhoalcefhlaqcufgqmbka8Fcefh8Fa8Ecefh8Ea5aAfh5a3cefg3cl9hmbxikkaATmeazaKfh8Eazcj;cbfhrcbhoceh8FinaYaofhla8E8VbbhqaAhacbhoinalaraoaAffRbbcwtaraofRbbg5Vc;:FiGce4cba5ceG9R7aqfgq87bbaladfhlaocefhoaacufgambkcdhoa8Ecdfh8EaraQfhra8FceGhlcbh8FalmbxdkkaATmbcbaocl49Rh8FazaKfRbbhqcwhoa8AhlinalRbbaotaqVhqalcefhlaocwfgoca9hmbkcbh5aYh8Einazcj;cbfa5fgaRbbhrcehocwhlinaaaoaA2fRbbaltarVhraocefhoalcwfglca9hmbkara8F93aq7hqcbhoa8Ehlinalaqao486bbalcefhlaocwfgoca9hmbka8Eadfh8Ea5cefg5aA9hmbkkaYclfhYa8Aclfh8AaKclfgKad6mbkaXazcjdfaAad2z1jjjb8AazazcjdfaAcufad2fadz1jjjb8AaAaOfhOaihxaimbkc9:hoxdkcbc99aPax9RakSEhoxekc9:hokavcj;kbf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbyd:K1jjbgeabcifc98GfgbBd:K1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkk81dbcjwk8Kbbbbdbbblbbbwbbbbbbbebbbdbbblbbbwbbbbc:Kwkl8WNbb'; // embed! base
+		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:W:Odkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq:986qdbk;jYi5ud9:du8Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnalTmbcuhoaiRbbgrc;WeGc:Ge9hmbarcsGgwce0mbc9:hoalcufadcd4cbawEgDadfgrcKcaawEgqaraq0Egk6mbaicefhxcj;abad9Uc;WFbGcjdadca0EhmaialfgPar9Rgoadfhsavaoadz1jjjbgzceVhHcbhOdndninaeaO9nmeaPax9RaD6mdamaeaO9RaOamfgoae6EgAcsfglc9WGhCabaOad2fhXaAcethQaxaDfhiaOaeaoaeao6E9RhLalcl4cifcd4hKazcj;cbfaAfhYcbh8AazcjdfhEaHh3incbhodnawTmbaxa8Acd4fRbbhokaocFeGh5cbh8Eazcj;cbfhqinaih8Fdndndndna5a8Ecet4ciGgoc9:fPdebdkaPa8F9RaA6mrazcj;cbfa8EaA2fa8FaAz1jjjb8Aa8FaAfhixdkazcj;cbfa8EaA2fcbaAz:jjjjb8Aa8FhixekaPa8F9RaK6mva8FaKfhidnaCTmbaPai9RcK6mbaocdtc:q1jjbfcj1jjbawEhaczhrcbhlinargoc9Wfghaqfhrdndndndndndnaaa8Fahco4fRbbalcoG4ciGcdtfydbPDbedvivvvlvkar9cb83bbarcwf9cb83bbxlkarcbaiRbdai8Xbb9c:c:qj:bw9:9c:q;c1:I1e:d9c:b:c:e1z9:gg9cjjjjjz:dg8J9qE86bbaqaofgrcGfag9c8F1:NghcKtc8F91aicdfa8J9c8N1:Nfg8KRbbG86bbarcVfcba8KahcjeGcr4fghRbbag9cjjjjjl:dg8J9qE86bbarc7fcbaha8J9c8L1:NfghRbbag9cjjjjjd:dg8J9qE86bbarctfcbaha8J9c8K1:NfghRbbag9cjjjjje:dg8J9qE86bbarc91fcbaha8J9c8J1:NfghRbbag9cjjjj;ab:dg8J9qE86bbarc4fcbaha8J9cg1:NfghRbbag9cjjjja:dg8J9qE86bbarc93fcbaha8J9ch1:NfghRbbag9cjjjjz:dgg9qE86bbarc94fcbahag9ca1:NfghRbbai8Xbe9c:c:qj:bw9:9c:q;c1:I1e:d9c:b:c:e1z9:gg9cjjjjjz:dg8J9qE86bbarc95fag9c8F1:NgicKtc8F91aha8J9c8N1:NfghRbbG86bbarc96fcbahaicjeGcr4fgiRbbag9cjjjjjl:dg8J9qE86bbarc97fcbaia8J9c8L1:NfgiRbbag9cjjjjjd:dg8J9qE86bbarc98fcbaia8J9c8K1:NfgiRbbag9cjjjjje:dg8J9qE86bbarc99fcbaia8J9c8J1:NfgiRbbag9cjjjj;ab:dg8J9qE86bbarc9:fcbaia8J9cg1:NfgiRbbag9cjjjja:dg8J9qE86bbarcufcbaia8J9ch1:NfgiRbbag9cjjjjz:dgg9qE86bbaiag9ca1:NfhixikaraiRblaiRbbghco4g8Ka8KciSg8KE86bbaqaofgrcGfaiclfa8Kfg8KRbbahcl4ciGg8La8LciSg8LE86bbarcVfa8Ka8Lfg8KRbbahcd4ciGg8La8LciSg8LE86bbarc7fa8Ka8Lfg8KRbbahciGghahciSghE86bbarctfa8Kahfg8KRbbaiRbeghco4g8La8LciSg8LE86bbarc91fa8Ka8Lfg8KRbbahcl4ciGg8La8LciSg8LE86bbarc4fa8Ka8Lfg8KRbbahcd4ciGg8La8LciSg8LE86bbarc93fa8Ka8Lfg8KRbbahciGghahciSghE86bbarc94fa8Kahfg8KRbbaiRbdghco4g8La8LciSg8LE86bbarc95fa8Ka8Lfg8KRbbahcl4ciGg8La8LciSg8LE86bbarc96fa8Ka8Lfg8KRbbahcd4ciGg8La8LciSg8LE86bbarc97fa8Ka8Lfg8KRbbahciGghahciSghE86bbarc98fa8KahfghRbbaiRbigico4g8Ka8KciSg8KE86bbarc99faha8KfghRbbaicl4ciGg8Ka8KciSg8KE86bbarc9:faha8KfghRbbaicd4ciGg8Ka8KciSg8KE86bbarcufaha8KfgrRbbaiciGgiaiciSgiE86bbaraifhixdkaraiRbwaiRbbghcl4g8Ka8KcsSg8KE86bbaqaofgrcGfaicwfa8Kfg8KRbbahcsGghahcsSghE86bbarcVfa8KahfghRbbaiRbeg8Kcl4g8La8LcsSg8LE86bbarc7faha8LfghRbba8KcsGg8Ka8KcsSg8KE86bbarctfaha8KfghRbbaiRbdg8Kcl4g8La8LcsSg8LE86bbarc91faha8LfghRbba8KcsGg8Ka8KcsSg8KE86bbarc4faha8KfghRbbaiRbig8Kcl4g8La8LcsSg8LE86bbarc93faha8LfghRbba8KcsGg8Ka8KcsSg8KE86bbarc94faha8KfghRbbaiRblg8Kcl4g8La8LcsSg8LE86bbarc95faha8LfghRbba8KcsGg8Ka8KcsSg8KE86bbarc96faha8KfghRbbaiRbvg8Kcl4g8La8LcsSg8LE86bbarc97faha8LfghRbba8KcsGg8Ka8KcsSg8KE86bbarc98faha8KfghRbbaiRbog8Kcl4g8La8LcsSg8LE86bbarc99faha8LfghRbba8KcsGg8Ka8KcsSg8KE86bbarc9:faha8KfghRbbaiRbrgicl4g8Ka8KcsSg8KE86bbarcufaha8KfgrRbbaicsGgiaicsSgiE86bbaraifhixekarai8Pbb83bbarcwfaicwf8Pbb83bbaiczfhikdnaoaC9pmbalcdfhlaoczfhraPai9RcL0mekkaoaC6moaimexokaCmva8FTmvkaqaAfhqa8Ecefg8Ecl9hmbkdndndndnawTmbasa8Acd4fRbbgociGPlbedrbkaATmdaza8Afh8Fazcj;cbfhhcbh8EaEhaina8FRbbhraahocbhlinaoahalfRbbgqce4cbaqceG9R7arfgr86bbaoadfhoaAalcefgl9hmbkaacefhaa8Fcefh8FahaAfhha8Ecefg8Ecl9hmbxikkaATmeaza8Afhaazcj;cbfhhcbhoceh8EaYh8FinaEaofhlaa8Vbbhrcbhoinala8FaofRbbcwtahaofRbbgqVc;:FiGce4cbaqceG9R7arfgr87bbaladfhlaLaocefgofmbka8FaQfh8FcdhoaacdfhaahaQfhha8EceGhlcbh8EalmbxdkkaATmbcbaocl49Rh8Eaza8AfRbbhqcwhoa3hlinalRbbaotaqVhqalcefhlaocwfgoca9hmbkcbhhaEh8FaYhainazcj;cbfahfRbbhrcwhoaahlinalRbbaotarVhralaAfhlaocwfgoca9hmbkara8E93aq7hqcbhoa8Fhlinalaqao486bbalcefhlaocwfgoca9hmbka8Fadfh8FaacefhaahcefghaA9hmbkkaEclfhEa3clfh3a8Aclfg8Aad6mbkaXazcjdfaAad2z1jjjb8AazazcjdfaAcufad2fadz1jjjb8AaAaOfhOaihxaimbkc9:hoxdkcbc99aPax9RakSEhoxekc9:hokavcj;kbf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:clevu8Jjjjjbcz9Rhvdnaecvfal9nmbc9:skdnaiRbbc;:eGc;qeSmbcuskav9cb83iwaicefhoaialfc98fhrdnaeTmbdnadcdSmbcbhwindnaoar6mbc9:skaocefhlao8SbbgicFeGhddndnaicu9mmbalhoxekaocvfhoadcFbGhdcrhidninal8SbbgDcFbGaitadVhdaDcu9kmealcefhlaicrfgic8J9hmbxdkkalcefhokabawcdtfadc8Etc8F91adcd47avcwfadceGcdtVglydbfgiBdbalaiBdbawcefgwae9hmbxdkkcbhwindnaoar6mbc9:skaocefhlao8SbbgicFeGhddndnaicu9mmbalhoxekaocvfhoadcFbGhdcrhidninal8SbbgDcFbGaitadVhdaDcu9kmealcefhlaicrfgic8J9hmbxdkkalcefhokabawcetfadc8Etc8F91adcd47avcwfadceGcdtVglydbfgi87ebalaiBdbawcefgwae9hmbkkcbc99aoarSEk:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbyd:K1jjbgeabcifc98GfgbBd:K1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;teeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk:3eedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdxaialBdwaialBdlaialBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkk81dbcjwk8Kbbbbdbbblbbbwbbbbbbbebbbdbbblbbbwbbbbc:Kwkl8WNbb'; // embed! base
 	var wasm_simd =
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// embed! simd
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// embed! simd
 
 	var detector = new Uint8Array([
 		0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 3, 2, 0, 0, 5, 3, 1, 0, 1, 12, 1, 0, 10, 22, 2, 12, 0, 65, 0, 65, 0, 65, 0, 252, 10, 0, 0,
diff --git a/js/meshopt_decoder.module.js b/js/meshopt_decoder.module.js
index c339892dad..28983df859 100644
--- a/js/meshopt_decoder.module.js
+++ b/js/meshopt_decoder.module.js
@@ -1,12 +1,12 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptDecoder = (function () {
-	// Built with clang version 18.1.2
+	// Built with clang version 19.1.5-wasi-sdk
 	// Built from meshoptimizer 0.22
 	var wasm_base =
-		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:W:Odkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq:785qdbk:PKi3ud9:du8Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnalTmbcuhoaiRbbgrc;WeGc:Ge9hmbarcsGgwce0mbc9:hoalcufadcd4cbawEgDadfgrcKcaawEgqaraq0Egk6mbaicefhxcj;abad9Uc;WFbGgocjdaocjd6EhmaialfgPar9Rgoadfhsavaoadz1jjjbgzceVhHcbhOdndninaeaO9nmeaPax9RaD6mdamaeaO9RaOamfae6EgAcsfgoc9WGhCabaOad2fhXaAcethQaxaDfhiaocl4cifcd4hLcbhKazcjdfhYaHh8AincbhodnawTmbaxaKcd4fRbbhokaocFeGhEcbh3inaih5dndndndnaEa3cet4ciGgoc9:fPdebdkaPa59RaA6mrazcj;cbfa3aA2fa5aAz1jjjb8Aa5aAfhixdkazcj;cbfa3aA2fcbaAz:jjjjb8Aa5hixekaPa59RaL6mva5aLfhidnaCTmbaPai9RcK6mbaocdtc:q1jjbfcj1jjbawEh8Eazcj;cbfa3aA2fh8Fczhacbhrcbhqina8Faqfhodndndndndndna8Ea5aaglc9Wfco4fRbbarcoG4ciGcdtfydbPDbedvivvvlvkao9cb83bbaocwf9cb83bbxlkaocbaiRbdai8Xbb9c:c:qj:bw9:9c:q;c1:I1e:d9c:b:c:e1z9:gh9cjjjjjz:dgg9qE86bbaoaicdfag9c8N1:NfgaRbbah9c8F1:Nc;:eGg8Jcr4a8JcFb0g8JE86beaocbaaa8JfgaRbbah9cjjjjjl:dgg9qE86bdaocbaaag9c8L1:NfgaRbbah9cjjjjjd:dgg9qE86biaocbaaag9c8K1:NfgaRbbah9cjjjjje:dgg9qE86blaocbaaag9c8J1:NfgaRbbah9cjjjj;ab:dgg9qE86bvaocbaaag9cg1:NfgaRbbah9cjjjja:dgg9qE86boaocbaaag9ch1:NfgaRbbah9cjjjjz:dgh9qE86braocbaaah9ca1:NfgaRbbai8Xbe9c:c:qj:bw9:9c:q;c1:I1e:d9c:b:c:e1z9:gh9cjjjjjz:dgg9qE86bwaoaaag9c8N1:NfgiRbbah9c8F1:Nc;:eGgacr4aacFb0gaE86bDaocbaiaafgiRbbah9cjjjjjl:dgg9qE86bqaocbaiag9c8L1:NfgiRbbah9cjjjjjd:dgg9qE86bkaocbaiag9c8K1:NfgiRbbah9cjjjjje:dgg9qE86bxaocbaiag9c8J1:NfgiRbbah9cjjjj;ab:dgg9qE86bmaocbaiag9cg1:NfgiRbbah9cjjjja:dgg9qE86bPaocbaiag9ch1:NfgiRbbah9cjjjjz:dgh9qE86bsaiah9ca1: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;cbfh5cbh3aYh8Fina8ERbbhra8FhoaAhqcbhlinaoa5alfRbbgace4cbaaceG9R7arfgr86bbaoadfhoalcefhlaqcufgqmbka8Fcefh8Fa8Ecefh8Ea5aAfh5a3cefg3cl9hmbxikkaATmeazaKfh8Eazcj;cbfhrcbhoceh8FinaYaofhla8E8VbbhqaAhacbhoinalaraoaAffRbbcwtaraofRbbg5Vc;:FiGce4cba5ceG9R7aqfgq87bbaladfhlaocefhoaacufgambkcdhoa8Ecdfh8EaraQfhra8FceGhlcbh8FalmbxdkkaATmbcbaocl49Rh8FazaKfRbbhqcwhoa8AhlinalRbbaotaqVhqalcefhlaocwfgoca9hmbkcbh5aYh8Einazcj;cbfa5fgaRbbhrcehocwhlinaaaoaA2fRbbaltarVhraocefhoalcwfglca9hmbkara8F93aq7hqcbhoa8Ehlinalaqao486bbalcefhlaocwfgoca9hmbka8Eadfh8Ea5cefg5aA9hmbkkaYclfhYa8Aclfh8AaKclfgKad6mbkaXazcjdfaAad2z1jjjb8AazazcjdfaAcufad2fadz1jjjb8AaAaOfhOaihxaimbkc9:hoxdkcbc99aPax9RakSEhoxekc9:hokavcj;kbf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbyd:K1jjbgeabcifc98GfgbBd:K1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkk81dbcjwk8Kbbbbdbbblbbbwbbbbbbbebbbdbbblbbbwbbbbc:Kwkl8WNbb'; // embed! base
+		'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:W:Odkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq:986qdbk;jYi5ud9:du8Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnalTmbcuhoaiRbbgrc;WeGc:Ge9hmbarcsGgwce0mbc9:hoalcufadcd4cbawEgDadfgrcKcaawEgqaraq0Egk6mbaicefhxcj;abad9Uc;WFbGcjdadca0EhmaialfgPar9Rgoadfhsavaoadz1jjjbgzceVhHcbhOdndninaeaO9nmeaPax9RaD6mdamaeaO9RaOamfgoae6EgAcsfglc9WGhCabaOad2fhXaAcethQaxaDfhiaOaeaoaeao6E9RhLalcl4cifcd4hKazcj;cbfaAfhYcbh8AazcjdfhEaHh3incbhodnawTmbaxa8Acd4fRbbhokaocFeGh5cbh8Eazcj;cbfhqinaih8Fdndndndna5a8Ecet4ciGgoc9:fPdebdkaPa8F9RaA6mrazcj;cbfa8EaA2fa8FaAz1jjjb8Aa8FaAfhixdkazcj;cbfa8EaA2fcbaAz:jjjjb8Aa8FhixekaPa8F9RaK6mva8FaKfhidnaCTmbaPai9RcK6mbaocdtc:q1jjbfcj1jjbawEhaczhrcbhlinargoc9Wfghaqfhrdndndndndndnaaa8Fahco4fRbbalcoG4ciGcdtfydbPDbedvivvvlvkar9cb83bbarcwf9cb83bbxlkarcbaiRbdai8Xbb9c:c:qj:bw9:9c:q;c1:I1e:d9c:b:c:e1z9:gg9cjjjjjz:dg8J9qE86bbaqaofgrcGfag9c8F1:NghcKtc8F91aicdfa8J9c8N1:Nfg8KRbbG86bbarcVfcba8KahcjeGcr4fghRbbag9cjjjjjl:dg8J9qE86bbarc7fcbaha8J9c8L1:NfghRbbag9cjjjjjd:dg8J9qE86bbarctfcbaha8J9c8K1:NfghRbbag9cjjjjje:dg8J9qE86bbarc91fcbaha8J9c8J1:NfghRbbag9cjjjj;ab:dg8J9qE86bbarc4fcbaha8J9cg1:NfghRbbag9cjjjja:dg8J9qE86bbarc93fcbaha8J9ch1:NfghRbbag9cjjjjz:dgg9qE86bbarc94fcbahag9ca1:NfghRbbai8Xbe9c:c:qj:bw9:9c:q;c1:I1e:d9c:b:c:e1z9:gg9cjjjjjz:dg8J9qE86bbarc95fag9c8F1:NgicKtc8F91aha8J9c8N1:NfghRbbG86bbarc96fcbahaicjeGcr4fgiRbbag9cjjjjjl:dg8J9qE86bbarc97fcbaia8J9c8L1:NfgiRbbag9cjjjjjd:dg8J9qE86bbarc98fcbaia8J9c8K1:NfgiRbbag9cjjjjje:dg8J9qE86bbarc99fcbaia8J9c8J1:NfgiRbbag9cjjjj;ab:dg8J9qE86bbarc9:fcbaia8J9cg1:NfgiRbbag9cjjjja:dg8J9qE86bbarcufcbaia8J9ch1:NfgiRbbag9cjjjjz:dgg9qE86bbaiag9ca1:NfhixikaraiRblaiRbbghco4g8Ka8KciSg8KE86bbaqaofgrcGfaiclfa8Kfg8KRbbahcl4ciGg8La8LciSg8LE86bbarcVfa8Ka8Lfg8KRbbahcd4ciGg8La8LciSg8LE86bbarc7fa8Ka8Lfg8KRbbahciGghahciSghE86bbarctfa8Kahfg8KRbbaiRbeghco4g8La8LciSg8LE86bbarc91fa8Ka8Lfg8KRbbahcl4ciGg8La8LciSg8LE86bbarc4fa8Ka8Lfg8KRbbahcd4ciGg8La8LciSg8LE86bbarc93fa8Ka8Lfg8KRbbahciGghahciSghE86bbarc94fa8Kahfg8KRbbaiRbdghco4g8La8LciSg8LE86bbarc95fa8Ka8Lfg8KRbbahcl4ciGg8La8LciSg8LE86bbarc96fa8Ka8Lfg8KRbbahcd4ciGg8La8LciSg8LE86bbarc97fa8Ka8Lfg8KRbbahciGghahciSghE86bbarc98fa8KahfghRbbaiRbigico4g8Ka8KciSg8KE86bbarc99faha8KfghRbbaicl4ciGg8Ka8KciSg8KE86bbarc9:faha8KfghRbbaicd4ciGg8Ka8KciSg8KE86bbarcufaha8KfgrRbbaiciGgiaiciSgiE86bbaraifhixdkaraiRbwaiRbbghcl4g8Ka8KcsSg8KE86bbaqaofgrcGfaicwfa8Kfg8KRbbahcsGghahcsSghE86bbarcVfa8KahfghRbbaiRbeg8Kcl4g8La8LcsSg8LE86bbarc7faha8LfghRbba8KcsGg8Ka8KcsSg8KE86bbarctfaha8KfghRbbaiRbdg8Kcl4g8La8LcsSg8LE86bbarc91faha8LfghRbba8KcsGg8Ka8KcsSg8KE86bbarc4faha8KfghRbbaiRbig8Kcl4g8La8LcsSg8LE86bbarc93faha8LfghRbba8KcsGg8Ka8KcsSg8KE86bbarc94faha8KfghRbbaiRblg8Kcl4g8La8LcsSg8LE86bbarc95faha8LfghRbba8KcsGg8Ka8KcsSg8KE86bbarc96faha8KfghRbbaiRbvg8Kcl4g8La8LcsSg8LE86bbarc97faha8LfghRbba8KcsGg8Ka8KcsSg8KE86bbarc98faha8KfghRbbaiRbog8Kcl4g8La8LcsSg8LE86bbarc99faha8LfghRbba8KcsGg8Ka8KcsSg8KE86bbarc9:faha8KfghRbbaiRbrgicl4g8Ka8KcsSg8KE86bbarcufaha8KfgrRbbaicsGgiaicsSgiE86bbaraifhixekarai8Pbb83bbarcwfaicwf8Pbb83bbaiczfhikdnaoaC9pmbalcdfhlaoczfhraPai9RcL0mekkaoaC6moaimexokaCmva8FTmvkaqaAfhqa8Ecefg8Ecl9hmbkdndndndnawTmbasa8Acd4fRbbgociGPlbedrbkaATmdaza8Afh8Fazcj;cbfhhcbh8EaEhaina8FRbbhraahocbhlinaoahalfRbbgqce4cbaqceG9R7arfgr86bbaoadfhoaAalcefgl9hmbkaacefhaa8Fcefh8FahaAfhha8Ecefg8Ecl9hmbxikkaATmeaza8Afhaazcj;cbfhhcbhoceh8EaYh8FinaEaofhlaa8Vbbhrcbhoinala8FaofRbbcwtahaofRbbgqVc;:FiGce4cbaqceG9R7arfgr87bbaladfhlaLaocefgofmbka8FaQfh8FcdhoaacdfhaahaQfhha8EceGhlcbh8EalmbxdkkaATmbcbaocl49Rh8Eaza8AfRbbhqcwhoa3hlinalRbbaotaqVhqalcefhlaocwfgoca9hmbkcbhhaEh8FaYhainazcj;cbfahfRbbhrcwhoaahlinalRbbaotarVhralaAfhlaocwfgoca9hmbkara8E93aq7hqcbhoa8Fhlinalaqao486bbalcefhlaocwfgoca9hmbka8Fadfh8FaacefhaahcefghaA9hmbkkaEclfhEa3clfh3a8Aclfg8Aad6mbkaXazcjdfaAad2z1jjjb8AazazcjdfaAcufad2fadz1jjjb8AaAaOfhOaihxaimbkc9:hoxdkcbc99aPax9RakSEhoxekc9:hokavcj;kbf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:clevu8Jjjjjbcz9Rhvdnaecvfal9nmbc9:skdnaiRbbc;:eGc;qeSmbcuskav9cb83iwaicefhoaialfc98fhrdnaeTmbdnadcdSmbcbhwindnaoar6mbc9:skaocefhlao8SbbgicFeGhddndnaicu9mmbalhoxekaocvfhoadcFbGhdcrhidninal8SbbgDcFbGaitadVhdaDcu9kmealcefhlaicrfgic8J9hmbxdkkalcefhokabawcdtfadc8Etc8F91adcd47avcwfadceGcdtVglydbfgiBdbalaiBdbawcefgwae9hmbxdkkcbhwindnaoar6mbc9:skaocefhlao8SbbgicFeGhddndnaicu9mmbalhoxekaocvfhoadcFbGhdcrhidninal8SbbgDcFbGaitadVhdaDcu9kmealcefhlaicrfgic8J9hmbxdkkalcefhokabawcetfadc8Etc8F91adcd47avcwfadceGcdtVglydbfgi87ebalaiBdbawcefgwae9hmbkkcbc99aoarSEk:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbyd:K1jjbgeabcifc98GfgbBd:K1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;teeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk:3eedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdxaialBdwaialBdlaialBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkk81dbcjwk8Kbbbbdbbblbbbwbbbbbbbebbbdbbblbbbwbbbbc:Kwkl8WNbb'; // embed! base
 	var wasm_simd =
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// embed! simd
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// embed! simd
 
 	var detector = new Uint8Array([
 		0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 3, 2, 0, 0, 5, 3, 1, 0, 1, 12, 1, 0, 10, 22, 2, 12, 0, 65, 0, 65, 0, 65, 0, 252, 10, 0, 0,
diff --git a/js/meshopt_encoder.js b/js/meshopt_encoder.js
index 8c5937da93..57aad3ce30 100644
--- a/js/meshopt_encoder.js
+++ b/js/meshopt_encoder.js
@@ -2,10 +2,10 @@
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptEncoder = (function () {
 	'use strict';
-	// Built with clang version 18.1.2
+	// Built with clang version 19.1.5-wasi-sdk
 	// Built from meshoptimizer 0.22
 	var wasm =
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// embed! wasm
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// embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
diff --git a/js/meshopt_encoder.module.js b/js/meshopt_encoder.module.js
index a8ac15178a..f35ae3aca4 100644
--- a/js/meshopt_encoder.module.js
+++ b/js/meshopt_encoder.module.js
@@ -1,10 +1,10 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptEncoder = (function () {
-	// Built with clang version 18.1.2
+	// Built with clang version 19.1.5-wasi-sdk
 	// Built from meshoptimizer 0.22
 	var wasm =
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// embed! wasm
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// embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index 7114fe6c19..a76ea34736 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -2,10 +2,10 @@
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptSimplifier = (function () {
 	'use strict';
-	// Built with clang version 18.1.2
+	// Built with clang version 19.1.5-wasi-sdk
 	// Built from meshoptimizer 0.22
 	var wasm =
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a8ZaeIdCMUdCaea8SaeIdKMUdKaeaIaeId3MUd3aea8VaeIdaMUdaaea8PaeId8KMUd8KaeaRaeIdyMUdyaHcxfhHaAcifgAad6mbkcbhiabhKinabaicdtfhYcbhHinaXaYaHc:G1jjbfydbcdtfydbgOfRbbhedndnaXaKaHfydbgCfRbbgAc99fcFeGcpe0mbaeceSmbaecd9hmekdnaAcufcFeGce0mbahaCcdtfydbaO9hmekdnaecufcFeGce0mbagaOcdtfydbaC9hmekdnaAcv2aefcj1jjbfRbbTmbaQaOcdtfydbaQaCcdtfydb0mekJbbacJbbacJbbjZaeceSEaAceSEh8ZdnaaaYaHc:K1jjbfydbcdtfydbcx2fgeIdwaaaCcx2fgAIdwg8R:tg8VaaaOcx2fgLIdwa8R:tg8Sa8SNaLIdbaAIdbg8W:tgIaINaLIdlaAIdlg8U:tgRaRNMMg8PNa8Va8SNaeIdba8W:tg80aINaRaeIdla8U:tg8YNMMg8Xa8SN:tg8Va8VNa80a8PNa8XaIN:tg8Sa8SNa8Ya8PNa8XaRN:tgIaINMM:rgRJbbbb9ETmba8VaR:vh8VaIaR:vhIa8SaR:vh8SkaqaQaCcdtfydbc8S2fgea8Sa8Za8P:rNgRa8SNNg8XaeIdbMUdbaeaIaRaINg8ZNg80aeIdlMUdlaea8VaRa8VNg8PNg8YaeIdwMUdwaea8Za8SNg8ZaeIdxMUdxaea8Pa8SNg81aeIdzMUdzaea8PaINgBaeIdCMUdCaea8SaRa8Va8RNa8Sa8WNa8UaINMM:mg8RNg8PNg8SaeIdKMUdKaeaIa8PNgIaeId3MUd3aea8Va8PNg8VaeIdaMUdaaea8Pa8RNg8PaeId8KMUd8KaeaRaeIdyMUdyaqaQaOcdtfydbc8S2fgea8XaeIdbMUdbaea80aeIdlMUdlaea8YaeIdwMUdwaea8ZaeIdxMUdxaea81aeIdzMUdzaeaBaeIdCMUdCaea8SaeIdKMUdKaeaIaeId3MUd3aea8VaeIdaMUdaaea8PaeId8KMUd8KaeaRaeIdyMUdykaHclfgHcx9hmbkaKcxfhKaicifgiad6mbkdna8JTmbcbhKinJbbbbh8WaaabaKcdtfgeclfydbgLcx2fgHIdwaaaeydbgicx2fgOIdwg8Y:tgIaINaHIdbaOIdbg81:tg8Va8VNaHIdlaOIdlgB:tgRaRNMMg8Zaaaecwfydbg8Fcx2fgeIdwa8Y:tg8PNaIaIa8PNa8VaeIdba81:tg8RNaRaeIdlaB:tg8UNMMg8SN:tJbbbbJbbjZa8Za8Pa8PNa8Ra8RNa8Ua8UNMMg80Na8Sa8SN:tg8X:va8XJbbbb9BEg8XNh83a80aINa8Pa8SN:ta8XNhUa8Za8UNaRa8SN:ta8XNh85a80aRNa8Ua8SN:ta8XNh86a8Za8RNa8Va8SN:ta8XNh87a80a8VNa8Ra8SN:ta8XNh88a8Va8UNa8RaRN:tg8Sa8SNaRa8PNa8UaIN:tg8Sa8SNaIa8RNa8Pa8VN:tg8Sa8SNMM:rJbbbZNh8Sayaia8J2g3cdtfhHaya8Fa8J2gwcdtfhOayaLa8J2g8LcdtfhCa8Y:mh89aB:mh8:a81:mhZcbhAa8JhYJbbbbh8UJbbbbh8XJbbbbh8ZJbbbbh80Jbbbbh8YJbbbbh81JbbbbhBJbbbbhnJbbbbhcinasc;WbfaAfgecwfa8SaUaCIdbaHIdbg8P:tgRNa83aOIdba8P:tg8RNMgINUdbaeclfa8Sa86aRNa85a8RNMg8VNUdbaea8Sa88aRNa87a8RNMgRNUdbaecxfa8Sa89aINa8: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;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkara8LcltfhYcbhHa8JhCinaYaHfgeasc;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkarawcltfhYcbhHa8JhCinaYaHfgeasc;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkaKcifgKad6mbkkcbhOxekcehOcbhrkcbh8FdndnamcwGg9cmbJbbbbh8ZcbhJcbhocbhCxekcbhea5cbyd;S1jjbHjjjjbbhCascxfasyd2gHcdtfaCBdbasaHcefBd2dnalTmbaChHinaHaeBdbaHclfhHalaecefge9hmbkkdnaOmbcbhiinabaicdtfhLcbhKinaQaLaKcdtgec: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;S1jjbHjjjjbbhoascxfasyd2gHcdtfaoBdbasaHcefBd2aocbaez:ljjjbhAdnalTmbaChOaahealhYinaecwfIdbh8SaeclfIdbhIaAaOydbcltfgHaeIdbaHIdbMUdbaHclfgKaIaKIdbMUdbaHcwfgKa8SaKIdbMUdbaHcxfgHaHIdbJbbjZMUdbaOclfhOaecxfheaYcufgYmbkkdnaJTmbaAheaJhHinaecxfgOIdbh8SaOcbBdbaeaeIdbJbbbbJbbjZa8S:va8SJbbbb9BEg8SNUdbaeclfgOa8SaOIdbNUdbaecwfgOa8SaOIdbNUdbaeczfheaHcufgHmbkkdnalTmbaChOaahealhYinaAaOydbcltfgHcxfgKaecwfIdbaHcwfIdb:tg8Sa8SNaeIdbaHIdb:tg8Sa8SNaeclfIdbaHclfIdb:tg8Sa8SNMMg8SaKIdbgIaIa8S9DEUdbaOclfhOaecxfheaYcufgYmbkkdnaJmbcbhJJFFuuh8ZxekaAcxfheaAhHaJhOinaHaeIdbUdbaeczfheaHclfhHaOcufgOmbkJFFuuh8ZaAheaJhHinaeIdbg8Sa8Za8Za8S9EEh8ZaeclfheaHcufgHmbkkasydlh9ednalTmba9eclfhea9eydbhAaXhHalhYcbhOincbaeydbgKaA9RaHRbbcpeGEaOfhOaHcefhHaeclfheaKhAaYcufgYmbkaOce4h8Fkcuada8F9RcifgTcx2aTc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhDascxfasyd2gecdtfaDBdbasaecefBd2cuaTcdtaTcFFFFi0Ecbyd;S1jjbHjjjjbbhSascxfasyd2gecdtfaSBdbasaecefBd2a5cbyd;S1jjbHjjjjbbh8Mascxfasyd2gecdtfa8MBdbasaecefBd2alcbyd;S1jjbHjjjjbbh9hascxfasyd2gecdtfa9hBdbasaecefBd2axaxNa8NJbbjZamclGEg83a83N:vhcJbbbbhndnadak9nmbdnaTci6mba8Jclth9iaDcwfh6JbbbbhBJbbbbhninasclfabadalaQz:cjjjbabh8FcbhEcbh5inaba5cdtfh3cbheindnaQa8FaefydbgOcdtgifydbgYaQa3aec:W1jjbfydbcdtfydbgHcdtgwfydbgKSmbaXaHfRbbgLcv2aXaOfRbbgAfc;a1jjbfRbbg8AaAcv2aLfg8Lc;a1jjbfRbbg8KVcFeGTmbdnaKaY9nmba8Lcj1jjbfRbbcFeGmekaAcufhYdnaAaL9hmbaYcFeGce0mbahaifydbaH9hmekdndnaAclSmbaLcl9hmekdnaYcFeGce0mbahaifydbaH9hmdkaLcufcFeGce0mbagawfydbaO9hmekaDaEcx2fgAaHaOa8KcFeGgYEBdlaAaOaHaYEBdbaAaYa8AGcb9hBdwaEcefhEkaeclfgecx9hmbkdna5cifg5ad9pmba8Fcxfh8FaEcifaT9nmekkaETmdcbhiinJbbbbJbbjZaqaQaDaicx2fgAydlgKaAydbgYaAydwgHEgLcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaYaKaHEg8Fcx2fgHIdwgRNaeIdzaHIdbg8PNaeIdaMg8Sa8SMMaRNaeIdlaHIdlg8RNaeIdCaRNaeId3Mg8Sa8SMMa8RNaeIdba8PNaeIdxa8RNaeIdKMg8Sa8SMMa8PNaeId8KMMM:lNh80JbbbbJbbjZaqaQaYcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaKcx2fgHIdwg8VNaeIdzaHIdbg8WNaeIdaMg8Sa8SMMa8VNaeIdlaHIdlg8UNaeIdCa8VNaeId3Mg8Sa8SMMa8UNaeIdba8WNaeIdxa8UNaeIdKMg8Sa8SMMa8WNaeId8KMMM:lNh8YaAcwfh3aAclfhwdna8JTmbavaYc8S2fgOIdwa8VNaOIdza8WNaOIdaMg8Sa8SMMa8VNaOIdla8UNaOIdCa8VNaOId3Mg8Sa8SMMa8UNaOIdba8WNaOIdxa8UNaOIdKMg8Sa8SMMa8WNaOId8KMMMh8SayaKa8J2cdtfhHaraYa8J2cltfheaOIdyh8Xa8JhOinaHIdbgIaIa8XNaecxfIdba8VaecwfIdbNa8WaeIdbNa8UaeclfIdbNMMMgIaIM:tNa8SMh8SaHclfhHaeczfheaOcufgOmbkavaLc8S2fgOIdwaRNaOIdza8PNaOIdaMgIaIMMaRNaOIdla8RNaOIdCaRNaOId3MgIaIMMa8RNaOIdba8PNaOIdxa8RNaOIdKMgIaIMMa8PNaOId8KMMMhIaya8Fa8J2cdtfhHaraLa8J2cltfheaOIdyh8Wa8JhOinaHIdbg8Va8Va8WNaecxfIdbaRaecwfIdbNa8PaeIdbNa8RaeclfIdbNMMMg8Va8VM:tNaIMhIaHclfhHaeczfheaOcufgOmbka80aI:lMh80a8Ya8S:lMh8YkawaKa8Fa8Ya809FgeEBdbaAaYaLaeEBdba3a8Ya80aeEUdbaicefgiaE9hmbkasc;Wbfcbcj;qbz:ljjjb8Aa6heaEhHinasc;WbfaeydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbcefBdbaecxfheaHcufgHmbkcbhecbhHinasc;WbfaefgOydbhAaOaHBdbaAaHfhHaeclfgecj;qb9hmbkcbhea6hHinasc;WbfaHydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbgOcefBdbaSaOcdtfaeBdbaHcxfhHaEaecefge9hmbkadak9RgOci9Uh9kdnalTmbcbhea8MhHinaHaeBdbaHclfhHalaecefge9hmbkkcbh0a9hcbalz:ljjjbh9maOcO9Uh9na9kce4h9oasydwh9pcbh8KcbhwdninaDaSawcdtfydbcx2fg3Idwg8Sac9Emea8Ka9k9pmeJFFuuhIdna9oaE9pmbaDaSa9ocdtfydbcx2fIdwJbb;aZNhIkdna8SaI9ETmba8San9ETmba8Ka9n0mdkdna9maQa3ydlgicdtg9qfydbgAfg9rRbba9maQa3ydbgLcdtg9sfydbgHfg9tRbbVmbaXaLfRbbh9udna9eaHcdtfgeclfydbgOaeydbgeSmbaOae9RhKa9paecitfheaaaAcx2fg8Lcwfh5a8Lclfh9vaaaHcx2fg8Acwfh9wa8Aclfh9xcbhHceh8Fdnindna8MaeydbcdtfydbgOaASmba8MaeclfydbcdtfydbgYaASmbaOaYSmbaaaYcx2fgYIdbaaaOcx2fgOIdbg8V:tg8Sa9xIdbaOIdlgR:tg8WNa8AIdba8V:tg8UaYIdlaR:tgIN:tg8Pa8Sa9vIdbaR:tg8XNa8LIdba8V:tg80aIN:tgRNaIa9wIdbaOIdwg8R:tg8YNa8WaYIdwa8R:tg8VN:tg8WaIa5Idba8R:tg81Na8Xa8VN:tgINa8Va8UNa8Ya8SN:tg8Ra8Va80Na81a8SN:tg8SNMMa8Pa8PNa8Wa8WNa8Ra8RNMMaRaRNaIaINa8Sa8SNMMN:rJbbj8:N9FmdkaecwfheaHcefgHaK6h8FaKaH9hmbkka8FceGTmba9ocefh9oxeka3cwfhHdndndndna9uc9: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:va8SJbbbb9BEaeIdwaaa8Fcx2fgHIdwg8SNaeIdzaHIdbgINaeIdaMg8Va8VMMa8SNaeIdlaHIdlg8VNaeIdCa8SNaeId3Mg8Sa8SMMa8VNaeIdbaINaeIdxa8VNaeIdKMg8Sa8SMMaINaeId8KMMM: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:cjjjbkdndnadak0mbadhOxekdna9cmbadhOxekdna8Zac9FmbadhOxekina8ZJbb;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:rNUdbkasyd2g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// embed! wasm
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mbaKaHfRbbgYcv2aKaOfRbbgAfc;G1jjbfRbbg8AaAcv2aYfgic;G1jjbfRbbg8KVcFeGTmbdnaXaQ9nmbaic:G1jjbfRbbcFeGmekaAcufhQdnaAaY9hmbaQcFeGce0mbaha8FfydbaH9hmekdndnaAclSmbaYcl9hmekdnaQcFeGce0mbaha8FfydbaH9hmdkaYcufcFeGce0mbaga8LfydbaO9hmekaDaEcx2fgAaHaOa8KcFeGgQEBdlaAaOaHaQEBdbaAaQa8AGcb9hBdwaEcefhEkaeclfgecx9hmbkdna5cifg5ad9pmba3cxfh3aEcifaT9nmekkaETmdcbhYinaqaLaDaYcx2fgAydbgQcdtg3fydbc8S2fgeIdwaaaAydlgXcx2fgHIdwg8VNaeIdzaHIdbgRNaeIdaMg8Sa8SMMa8VNaeIdlaHIdlg8PNaeIdCa8VNaeId3Mg8Sa8SMMa8PNaeIdbaRNaeIdxa8PNaeIdKMg8Sa8SMMaRNaeId8KMMM:lh8SJbbbbJbbjZaeIdygI:vaIJbbbb9BEhIdndnaAydwg8FmbJFFuuh8XxekJbbbbJbbjZaqaLaXcdtfydbc8S2fgeIdyg8R:va8RJbbbb9BEaeIdwaaaQcx2fgHIdwg8RNaeIdzaHIdbg8WNaeIdaMg8Xa8XMMa8RNaeIdlaHIdlg8XNaeIdCa8RNaeId3Mg8Ra8RMMa8XNaeIdba8WNaeIdxa8XNaeIdKMg8Ra8RMMa8WNaeId8KMMM:lNh8XkaIa8SNh8Zdna8JTmbavaQc8S2fgOIdwa8VNaOIdzaRNaOIdaMg8Sa8SMMa8VNaOIdla8PNaOIdCa8VNaOId3Mg8Sa8SMMa8PNaOIdbaRNaOIdxa8PNaOIdKMg8Sa8SMMaRNaOId8KMMMh8SayaXa8J2gwcdtfhHaraQa8J2g8LcltfheaOIdyh8Ra8JhOinaHIdbgIaIa8RNaecxfIdba8VaecwfIdbNaRaeIdbNa8PaeclfIdbNMMMgIaIM:tNa8SMh8SaHclfhHaeczfheaOcufgOmbkdndna8FmbJbbbbhIxekavaXc8S2fgOIdwaaaQcx2fgeIdwgRNaOIdzaeIdbg8PNaOIdaMgIaIMMaRNaOIdlaeIdlg8RNaOIdCaRNaOId3MgIaIMMa8RNaOIdba8PNaOIdxa8RNaOIdKMgIaIMMa8PNaOId8KMMMhIaya8LcdtfhHarawcltfheaOIdyh8Wa8JhOinaHIdbg8Va8Va8WNaecxfIdbaRaecwfIdbNa8PaeIdbNa8RaeclfIdbNMMMg8Va8VM:tNaIMhIaHclfhHaeczfheaOcufgOmbkaI:lhIka8Za8S:lMh8Za8XaIMh8XaKaQfRbbcd9hmbdnagahaha3fydbaXSEa8Ea3fydbgwcdtfydbg3cu9hmba8EaXcdtfydbh3kavawc8S2fgOIdwaaa3cx2fgeIdwg8VNaOIdzaeIdbgRNaOIdaMg8Sa8SMMa8VNaOIdlaeIdlg8PNaOIdCa8VNaOId3Mg8Sa8SMMa8PNaOIdbaRNaOIdxa8PNaOIdKMg8Sa8SMMaRNaOId8KMMMh8Saya3a8J2g8LcdtfhHarawa8J2gicltfheaOIdyh8Ra8JhOinaHIdbgIaIa8RNaecxfIdba8VaecwfIdbNaRaeIdbNa8PaeclfIdbNMMMgIaIM:tNa8SMh8SaHclfhHaeczfheaOcufgOmbkdndna8FmbJbbbbhIxekava3c8S2fgOIdwaaawcx2fgeIdwgRNaOIdzaeIdbg8PNaOIdaMgIaIMMaRNaOIdlaeIdlg8RNaOIdCaRNaOId3MgIaIMMa8RNaOIdba8PNaOIdxa8RNaOIdKMgIaIMMa8PNaOId8KMMMhIayaicdtfhHara8LcltfheaOIdyh8Wa8JhOinaHIdbg8Va8Va8WNaecxfIdbaRaecwfIdbNa8PaeIdbNa8RaeclfIdbNMMMg8Va8VM:tNaIMhIaHclfhHaeczfheaOcufgOmbkaI:lhIka8Za8S:lMh8Za8XaIMh8XkaAa8Za8Xa8Za8X9FgeEUdwaAaXaQaea8FTVgeEBdlaAaQaXaeEBdbaYcefgYaE9hmbkasc;Wbfcbcj;qbz:ljjjb8Aa6heaEhHinasc;WbfaeydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbcefBdbaecxfheaHcufgHmbkcbhecbhHinasc;WbfaefgOydbhAaOaHBdbaAaHfhHaeclfgecj;qb9hmbkcbhea6hHinasc;WbfaHydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbgOcefBdbaSaOcdtfaeBdbaHcxfhHaEaecefge9hmbkadak9RgOci9Uh9kdnalTmbcbhea8MhHinaHaeBdbaHclfhHalaecefge9hmbkkcbh0a9hcbalz:ljjjbh5aOcO9Uh9ma9kce4h9nasydwh9ocbh8Kcbh8AdninaDaSa8Acdtfydbcx2fgiIdwg8Sac9Emea8Ka9k9pmeJFFuuhIdna9naE9pmbaDaSa9ncdtfydbcx2fIdwJbb;aZNhIkdna8SaI9ETmba8San9ETmba8Ka9m0mdkdna5aLaiydlgwcdtg9pfydbgAfg9qRbba5aLaiydbg3cdtg9rfydbgefg9sRbbVmbaKa3fRbbh9tdna9eaecdtfgHclfydbgOaHydbgHSmbaOaH9RhQaaaAcx2fhYaaaecx2fh8Fa9oaHcitfhecbhHceh8Ldnindna8MaeydbcdtfydbgOaASmba8MaeclfydbcdtfydbgXaASmbaOaXSmbaaaXcx2fgXIdbaaaOcx2fgOIdbg8V:tg8Sa8FIdlaOIdlgR:tg8WNa8FIdba8V:tg8XaXIdlaR:tgIN:tg8Pa8SaYIdlaR:tg8ZNaYIdba8V:tg80aIN:tgRNaIa8FIdwaOIdwg8R:tg8YNa8WaXIdwa8R:tg8VN:tg8WaIaYIdwa8R:tg81Na8Za8VN:tgINa8Va8XNa8Ya8SN:tg8Ra8Va80Na81a8SN:tg8SNMMa8Pa8PNa8Wa8WNa8Ra8RNMMaRaRNaIaINa8Sa8SNMMN:rJbbj8:N9FmdkaecwfheaHcefgHaQ6h8LaQaH9hmbkka8LceGTmba9ncefh9nxekdndndndna9tc9: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:va8SJbbbb9BEaeIdwaaa3cx2fgHIdwg8SNaeIdzaHIdbgINaeIdaMg8Va8VMMa8SNaeIdlaHIdlg8VNaeIdCa8SNaeId3Mg8Sa8SMMa8VNaeIdbaINaeIdxa8VNaeIdKMg8Sa8SMMaINaeId8KMMM: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:cjjjbkdndnadak0mbadhOxekdna9cmbadhOxekdna8Uac9FmbadhOxekina8UJbb;aZNg8Saca8Sac9DEh8VJbbbbh8SdnaJTmbaoheaJhHinaeIdbgIa8SaIa8V9FEa8SaIa8S9EEh8SaeclfheaHcufgHmbkkcbhOabhecbhHindnaoaCaeydbgAcdtfydbcdtfIdba8V9ETmbabaOcdtfgQaABdbaQclfaeclfydbBdbaQcwfaecwfydbBdbaOcifhOkaecxfheaHcifgHad6mbkJFFuuh8UdnaJTmbaoheaJhHJFFuuhIinaeIdbgRaIaIaR9EEg8PaIaRa8V9EgAEhIa8Pa8UaAEh8UaeclfheaHcufgHmbkkdnaOad9hmbadhOxdka8Sanana8S9DEhnaOak9nmeaOhda8Uac9FmbkkdnamcjjjjlGTmbazmbaOTmbcbhLabheinaKaeydbgAfRbbc3thXaecwfgYydbhHdndnahaAcdtg3fydbaeclfg8FydbgCSmbcbhQagaCcdtfydbaA9hmekcjjjj94hQkaeaXaQVaAVBdbaKaCfRbbc3thXdndnahaCcdtfydbaHSmbcbhQagaHcdtfydbaC9hmekcjjjj94hQka8FaXaQVaCVBdbaKaHfRbbc3thQdndnahaHcdtfydbaASmbcbhCaga3fydbaH9hmekcjjjj94hCkaYaQaCVaHVBdbaecxfheaLcifgLaO6mbkkdnazTmbaOTmbaOheinabazabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPa83an:rNUdbkasyd2gecdtascxffc98fhHdninaeTmeaHydbcbyd1:jjjbH:bjjjbbaHc98fhHaecufhexbkkasc;W;qbf8KjjjjbaOk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Qodvuv998Jjjjjbca9Rgvczfcwfcbyd11jjbBdbavcb8Pdj1jjb83izavcwfcbydN1jjbBdbavcb8Pd: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:tgqaqJbbbb9DEgqavIdlavIdCgx:tgmamaq9DEgqavIdwavIdKgm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk:DCoDud99rue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd:m:jjjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd:m:jjjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhPawcuaicdtgsaicFFFFi0Ecbyd:m:jjjbHjjjjbbgzBdCawciBd2dndnar:ZgH:rJbbbZMgO:lJbbb9p9DTmbaO:Ohexekcjjjj94hekaicufhAc:bwhmcbhCadhXcbhQinaChLaeamgKcufaeaK9iEaPgDcefaeaD9kEhYdndnadTmbaYcuf:YhOaqhiaxheadhmindndnaiIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcCthCdndnaiclfIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhExekcjjjj94hEkaEcqtaCVhCdndnaicwfIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhExekcjjjj94hEkaeaCaEVBdbaicxfhiaeclfheamcufgmmbkazcFeasz:ljjjbh3cbh5cbhPindna3axaPcdtfydbgCcm4aC7c:v;t;h;Ev2gics4ai7aAGgmcdtfgEydbgecuSmbaeaCSmbcehiina3amaifaAGgmcdtfgEydbgecuSmeaicefhiaeaC9hmbkkaEaCBdba5aecuSfh5aPcefgPad9hmbxdkkazcFeasz:ljjjb8Acbh5kaDaYa5ar0giEhPaLa5aiEhCdna5arSmbaYaKaiEgmaP9Rcd9imbdndnaQcl0mbdnaX:ZgOaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa5:ZghaH:tNNNaOaH:taaNa8Aah:tNa8AaH:ta8FNahaO:tNM:va8EMJbbbZMgO:lJbbb9p9DTmbaO:Ohexdkcjjjj94hexekaPamfcd9Theka5aXaiEhXaQcefgQcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd:m:jjjbHjjjjbbg5BdKawclBd2aPcuf:Yh8AdndnadTmbaqhiaxheadhmindndnaiIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhCxekcjjjj94hCkaCcCthCdndnaiclfIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhExekcjjjj94hEkaEcqtaCVhCdndnaicwfIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhExekcjjjj94hEkaeaCaEVBdbaicxfhiaeclfheamcufgmmbkazcFeasz:ljjjbh3cbhDcbhYindndndna3axaYcdtgKfydbgCcm4aC7c:v;t;h;Ev2gics4ai7aAGgmcdtfgEydbgecuSmbcehiinaxaecdtgefydbaCSmdamaifheaicefhia3aeaAGgmcdtfgEydbgecu9hmbkkaEaYBdbaDhiaDcefhDxeka5aefydbhika5aKfaiBdbaYcefgYad9hmbkcuaDc32giaDc;j:KM;jb0EhexekazcFeasz:ljjjb8AcbhDcbhekawaecbyd:m:jjjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhEavcd4hKdnadTmbdnalTmbaKcdth3a5hCaqhealhmadhAinaEaCydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiamIdbaiIdxMUdxaiamclfIdbaiIdzMUdzaiamcwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaCclfhCaecxfheama3fhmaAcufgAmbxdkka5hmaqheadhCinaEamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaCcufgCmbkkdnaDTmbaEhiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgO:vaOJbbbb9BEgONUdbaiclfgmaOamIdbNUdbaicwfgmaOamIdbNUdbaicxfgmaOamIdbNUdbaiczfgmaOamIdbNUdbaicCfgmaOamIdbNUdbaic3fhiaecufgembkkcbhCawcuaDcdtgYaDcFFFFi0Egicbyd:m:jjjbHjjjjbbgeBdaawcoBd2awaicbyd:m:jjjbHjjjjbbg3Bd8KaecFeaYz:ljjjbhxdnadTmbJbbjZJbbjZa8A:vaPceSEaoNgOaONh8AaKcdthPalheina8Aaec;81jjbalEgmIdwaEa5ydbgAc32fgiIdC:tgOaONamIdbaiIdx:tgOaONamIdlaiIdz:tgOaONMMNaqcwfIdbaiIdw:tgOaONaqIdbaiIdb:tgOaONaqclfIdbaiIdl:tgOaONMMMhOdndnaxaAcdtgifgmydbcuSmba3aifIdbaO9ETmekamaCBdba3aifaOUdbka5clfh5aqcxfhqaeaPfheadaCcefgC9hmbkkabaxaYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd1:jjjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Ydidui99ducbhi8Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdndnaembJbbjFhvJbbjFhoJbbjFhrxekadcd4cdthwincbhdinalczfadfgDabadfIdbgvaDIdbgoaoav9EEUdbaladfgDavaDIdbgoaoav9DEUdbadclfgdcx9hmbkabawfhbaicefgiae9hmbkalIdwalIdK:thralIdlalIdC:thoalIdbalIdz:thvkJbbbbavavJbbbb9DEgvaoaoav9DEgvararav9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcifc98GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;teeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk:3eedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdxaialBdwaialBdlaialBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcrfc94GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd:q:jjjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd:q:jjjbfgdBd:q:jjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:Iedbcjwk1eFFuuFFuuFFuuFFuFFFuFFFuFbbbbbbbbeeebeebebbeeebebbbbbebebbbbbbbbbebbbdbbbbbbbebbbebbbdbbbbbbbbbbbeeeeebebbebbebebbbeebbbbbbbbbbbbbbbbbbbbbc1Dkxebbbdbbb:GNbb'; // embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index 2d31b7e93e..54e001e8d7 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -1,10 +1,10 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
 // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptSimplifier = (function () {
-	// Built with clang version 18.1.2
+	// Built with clang version 19.1.5-wasi-sdk
 	// Built from meshoptimizer 0.22
 	var wasm =
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a8ZaeIdCMUdCaea8SaeIdKMUdKaeaIaeId3MUd3aea8VaeIdaMUdaaea8PaeId8KMUd8KaeaRaeIdyMUdyaHcxfhHaAcifgAad6mbkcbhiabhKinabaicdtfhYcbhHinaXaYaHc:G1jjbfydbcdtfydbgOfRbbhedndnaXaKaHfydbgCfRbbgAc99fcFeGcpe0mbaeceSmbaecd9hmekdnaAcufcFeGce0mbahaCcdtfydbaO9hmekdnaecufcFeGce0mbagaOcdtfydbaC9hmekdnaAcv2aefcj1jjbfRbbTmbaQaOcdtfydbaQaCcdtfydb0mekJbbacJbbacJbbjZaeceSEaAceSEh8ZdnaaaYaHc:K1jjbfydbcdtfydbcx2fgeIdwaaaCcx2fgAIdwg8R:tg8VaaaOcx2fgLIdwa8R:tg8Sa8SNaLIdbaAIdbg8W:tgIaINaLIdlaAIdlg8U:tgRaRNMMg8PNa8Va8SNaeIdba8W:tg80aINaRaeIdla8U:tg8YNMMg8Xa8SN:tg8Va8VNa80a8PNa8XaIN:tg8Sa8SNa8Ya8PNa8XaRN:tgIaINMM:rgRJbbbb9ETmba8VaR:vh8VaIaR:vhIa8SaR:vh8SkaqaQaCcdtfydbc8S2fgea8Sa8Za8P:rNgRa8SNNg8XaeIdbMUdbaeaIaRaINg8ZNg80aeIdlMUdlaea8VaRa8VNg8PNg8YaeIdwMUdwaea8Za8SNg8ZaeIdxMUdxaea8Pa8SNg81aeIdzMUdzaea8PaINgBaeIdCMUdCaea8SaRa8Va8RNa8Sa8WNa8UaINMM:mg8RNg8PNg8SaeIdKMUdKaeaIa8PNgIaeId3MUd3aea8Va8PNg8VaeIdaMUdaaea8Pa8RNg8PaeId8KMUd8KaeaRaeIdyMUdyaqaQaOcdtfydbc8S2fgea8XaeIdbMUdbaea80aeIdlMUdlaea8YaeIdwMUdwaea8ZaeIdxMUdxaea81aeIdzMUdzaeaBaeIdCMUdCaea8SaeIdKMUdKaeaIaeId3MUd3aea8VaeIdaMUdaaea8PaeId8KMUd8KaeaRaeIdyMUdykaHclfgHcx9hmbkaKcxfhKaicifgiad6mbkdna8JTmbcbhKinJbbbbh8WaaabaKcdtfgeclfydbgLcx2fgHIdwaaaeydbgicx2fgOIdwg8Y:tgIaINaHIdbaOIdbg81:tg8Va8VNaHIdlaOIdlgB:tgRaRNMMg8Zaaaecwfydbg8Fcx2fgeIdwa8Y:tg8PNaIaIa8PNa8VaeIdba81:tg8RNaRaeIdlaB:tg8UNMMg8SN:tJbbbbJbbjZa8Za8Pa8PNa8Ra8RNa8Ua8UNMMg80Na8Sa8SN:tg8X:va8XJbbbb9BEg8XNh83a80aINa8Pa8SN:ta8XNhUa8Za8UNaRa8SN:ta8XNh85a80aRNa8Ua8SN:ta8XNh86a8Za8RNa8Va8SN:ta8XNh87a80a8VNa8Ra8SN:ta8XNh88a8Va8UNa8RaRN:tg8Sa8SNaRa8PNa8UaIN:tg8Sa8SNaIa8RNa8Pa8VN:tg8Sa8SNMM:rJbbbZNh8Sayaia8J2g3cdtfhHaya8Fa8J2gwcdtfhOayaLa8J2g8LcdtfhCa8Y:mh89aB:mh8:a81:mhZcbhAa8JhYJbbbbh8UJbbbbh8XJbbbbh8ZJbbbbh80Jbbbbh8YJbbbbh81JbbbbhBJbbbbhnJbbbbhcinasc;WbfaAfgecwfa8SaUaCIdbaHIdbg8P:tgRNa83aOIdba8P:tg8RNMgINUdbaeclfa8Sa86aRNa85a8RNMg8VNUdbaea8Sa88aRNa87a8RNMgRNUdbaecxfa8Sa89aINa8: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;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkara8LcltfhYcbhHa8JhCinaYaHfgeasc;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkarawcltfhYcbhHa8JhCinaYaHfgeasc;WbfaHfgOIdbaeIdbMUdbaeclfgAaOclfIdbaAIdbMUdbaecwfgAaOcwfIdbaAIdbMUdbaecxfgeaOcxfIdbaeIdbMUdbaHczfhHaCcufgCmbkaKcifgKad6mbkkcbhOxekcehOcbhrkcbh8FdndnamcwGg9cmbJbbbbh8ZcbhJcbhocbhCxekcbhea5cbyd;S1jjbHjjjjbbhCascxfasyd2gHcdtfaCBdbasaHcefBd2dnalTmbaChHinaHaeBdbaHclfhHalaecefge9hmbkkdnaOmbcbhiinabaicdtfhLcbhKinaQaLaKcdtgec: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;S1jjbHjjjjbbhoascxfasyd2gHcdtfaoBdbasaHcefBd2aocbaez:ljjjbhAdnalTmbaChOaahealhYinaecwfIdbh8SaeclfIdbhIaAaOydbcltfgHaeIdbaHIdbMUdbaHclfgKaIaKIdbMUdbaHcwfgKa8SaKIdbMUdbaHcxfgHaHIdbJbbjZMUdbaOclfhOaecxfheaYcufgYmbkkdnaJTmbaAheaJhHinaecxfgOIdbh8SaOcbBdbaeaeIdbJbbbbJbbjZa8S:va8SJbbbb9BEg8SNUdbaeclfgOa8SaOIdbNUdbaecwfgOa8SaOIdbNUdbaeczfheaHcufgHmbkkdnalTmbaChOaahealhYinaAaOydbcltfgHcxfgKaecwfIdbaHcwfIdb:tg8Sa8SNaeIdbaHIdb:tg8Sa8SNaeclfIdbaHclfIdb:tg8Sa8SNMMg8SaKIdbgIaIa8S9DEUdbaOclfhOaecxfheaYcufgYmbkkdnaJmbcbhJJFFuuh8ZxekaAcxfheaAhHaJhOinaHaeIdbUdbaeczfheaHclfhHaOcufgOmbkJFFuuh8ZaAheaJhHinaeIdbg8Sa8Za8Za8S9EEh8ZaeclfheaHcufgHmbkkasydlh9ednalTmba9eclfhea9eydbhAaXhHalhYcbhOincbaeydbgKaA9RaHRbbcpeGEaOfhOaHcefhHaeclfheaKhAaYcufgYmbkaOce4h8Fkcuada8F9RcifgTcx2aTc;v:Q;v:Qe0Ecbyd;S1jjbHjjjjbbhDascxfasyd2gecdtfaDBdbasaecefBd2cuaTcdtaTcFFFFi0Ecbyd;S1jjbHjjjjbbhSascxfasyd2gecdtfaSBdbasaecefBd2a5cbyd;S1jjbHjjjjbbh8Mascxfasyd2gecdtfa8MBdbasaecefBd2alcbyd;S1jjbHjjjjbbh9hascxfasyd2gecdtfa9hBdbasaecefBd2axaxNa8NJbbjZamclGEg83a83N:vhcJbbbbhndnadak9nmbdnaTci6mba8Jclth9iaDcwfh6JbbbbhBJbbbbhninasclfabadalaQz:cjjjbabh8FcbhEcbh5inaba5cdtfh3cbheindnaQa8FaefydbgOcdtgifydbgYaQa3aec:W1jjbfydbcdtfydbgHcdtgwfydbgKSmbaXaHfRbbgLcv2aXaOfRbbgAfc;a1jjbfRbbg8AaAcv2aLfg8Lc;a1jjbfRbbg8KVcFeGTmbdnaKaY9nmba8Lcj1jjbfRbbcFeGmekaAcufhYdnaAaL9hmbaYcFeGce0mbahaifydbaH9hmekdndnaAclSmbaLcl9hmekdnaYcFeGce0mbahaifydbaH9hmdkaLcufcFeGce0mbagawfydbaO9hmekaDaEcx2fgAaHaOa8KcFeGgYEBdlaAaOaHaYEBdbaAaYa8AGcb9hBdwaEcefhEkaeclfgecx9hmbkdna5cifg5ad9pmba8Fcxfh8FaEcifaT9nmekkaETmdcbhiinJbbbbJbbjZaqaQaDaicx2fgAydlgKaAydbgYaAydwgHEgLcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaYaKaHEg8Fcx2fgHIdwgRNaeIdzaHIdbg8PNaeIdaMg8Sa8SMMaRNaeIdlaHIdlg8RNaeIdCaRNaeId3Mg8Sa8SMMa8RNaeIdba8PNaeIdxa8RNaeIdKMg8Sa8SMMa8PNaeId8KMMM:lNh80JbbbbJbbjZaqaQaYcdtfydbc8S2fgeIdyg8S:va8SJbbbb9BEaeIdwaaaKcx2fgHIdwg8VNaeIdzaHIdbg8WNaeIdaMg8Sa8SMMa8VNaeIdlaHIdlg8UNaeIdCa8VNaeId3Mg8Sa8SMMa8UNaeIdba8WNaeIdxa8UNaeIdKMg8Sa8SMMa8WNaeId8KMMM:lNh8YaAcwfh3aAclfhwdna8JTmbavaYc8S2fgOIdwa8VNaOIdza8WNaOIdaMg8Sa8SMMa8VNaOIdla8UNaOIdCa8VNaOId3Mg8Sa8SMMa8UNaOIdba8WNaOIdxa8UNaOIdKMg8Sa8SMMa8WNaOId8KMMMh8SayaKa8J2cdtfhHaraYa8J2cltfheaOIdyh8Xa8JhOinaHIdbgIaIa8XNaecxfIdba8VaecwfIdbNa8WaeIdbNa8UaeclfIdbNMMMgIaIM:tNa8SMh8SaHclfhHaeczfheaOcufgOmbkavaLc8S2fgOIdwaRNaOIdza8PNaOIdaMgIaIMMaRNaOIdla8RNaOIdCaRNaOId3MgIaIMMa8RNaOIdba8PNaOIdxa8RNaOIdKMgIaIMMa8PNaOId8KMMMhIaya8Fa8J2cdtfhHaraLa8J2cltfheaOIdyh8Wa8JhOinaHIdbg8Va8Va8WNaecxfIdbaRaecwfIdbNa8PaeIdbNa8RaeclfIdbNMMMg8Va8VM:tNaIMhIaHclfhHaeczfheaOcufgOmbka80aI:lMh80a8Ya8S:lMh8YkawaKa8Fa8Ya809FgeEBdbaAaYaLaeEBdba3a8Ya80aeEUdbaicefgiaE9hmbkasc;Wbfcbcj;qbz:ljjjb8Aa6heaEhHinasc;WbfaeydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbcefBdbaecxfheaHcufgHmbkcbhecbhHinasc;WbfaefgOydbhAaOaHBdbaAaHfhHaeclfgecj;qb9hmbkcbhea6hHinasc;WbfaHydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbgOcefBdbaSaOcdtfaeBdbaHcxfhHaEaecefge9hmbkadak9RgOci9Uh9kdnalTmbcbhea8MhHinaHaeBdbaHclfhHalaecefge9hmbkkcbh0a9hcbalz:ljjjbh9maOcO9Uh9na9kce4h9oasydwh9pcbh8KcbhwdninaDaSawcdtfydbcx2fg3Idwg8Sac9Emea8Ka9k9pmeJFFuuhIdna9oaE9pmbaDaSa9ocdtfydbcx2fIdwJbb;aZNhIkdna8SaI9ETmba8San9ETmba8Ka9n0mdkdna9maQa3ydlgicdtg9qfydbgAfg9rRbba9maQa3ydbgLcdtg9sfydbgHfg9tRbbVmbaXaLfRbbh9udna9eaHcdtfgeclfydbgOaeydbgeSmbaOae9RhKa9paecitfheaaaAcx2fg8Lcwfh5a8Lclfh9vaaaHcx2fg8Acwfh9wa8Aclfh9xcbhHceh8Fdnindna8MaeydbcdtfydbgOaASmba8MaeclfydbcdtfydbgYaASmbaOaYSmbaaaYcx2fgYIdbaaaOcx2fgOIdbg8V:tg8Sa9xIdbaOIdlgR:tg8WNa8AIdba8V:tg8UaYIdlaR:tgIN:tg8Pa8Sa9vIdbaR:tg8XNa8LIdba8V:tg80aIN:tgRNaIa9wIdbaOIdwg8R:tg8YNa8WaYIdwa8R:tg8VN:tg8WaIa5Idba8R:tg81Na8Xa8VN:tgINa8Va8UNa8Ya8SN:tg8Ra8Va80Na81a8SN:tg8SNMMa8Pa8PNa8Wa8WNa8Ra8RNMMaRaRNaIaINa8Sa8SNMMN:rJbbj8:N9FmdkaecwfheaHcefgHaK6h8FaKaH9hmbkka8FceGTmba9ocefh9oxeka3cwfhHdndndndna9uc9: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:va8SJbbbb9BEaeIdwaaa8Fcx2fgHIdwg8SNaeIdzaHIdbgINaeIdaMg8Va8VMMa8SNaeIdlaHIdlg8VNaeIdCa8SNaeId3Mg8Sa8SMMa8VNaeIdbaINaeIdxa8VNaeIdKMg8Sa8SMMaINaeId8KMMM:lNg8SaBaBa8S9DEhBkaKa9ifhKaicefgial9hmbkcbhHahheindnaeydbgOcuSmbdnaHa8MaOcdtgAfydbgO9hmbcuhOahaAfydbgAcuSmba8MaAcdtfydbhOkaeaOBdbkaeclfhealaHcefgH9hmbkcbhHagheindnaeydbgOcuSmbdnaHa8MaOcdtgAfydbgO9hmbcuhOagaAfydbgAcuSmba8MaAcdtfydbhOkaeaOBdbkaeclfhealaHcefgH9hmbkkaBana8JEhBcbhYabhecbhKindna8MaeydbcdtfydbgHa8MaeclfydbcdtfydbgOSmbaHa8MaecwfydbcdtfydbgASmbaOaASmbabaYcdtfgLaHBdbaLcwfaABdbaLclfaOBdbaYcifhYkaecxfheaKcifgKad6mbkdndna9cTmbaYak9nmba8ZaB9FTmbcbhdabhecbhHindnaoaCaeydbgOcdtfydbcdtfIdbaB9ETmbabadcdtfgAaOBdbaAclfaeclfydbBdbaAcwfaecwfydbBdbadcifhdkaecxfheaHcifgHaY6mbkJFFuuh8ZaJTmeaoheaJhHJFFuuh8SinaeIdbgIa8Sa8SaI9EEg8Va8SaIaB9EgOEh8Sa8Va8ZaOEh8ZaeclfheaHcufgHmbxdkkaYhdkadak0mbxdkkasclfabadalaQz:cjjjbkdndnadak0mbadhOxekdna9cmbadhOxekdna8Zac9FmbadhOxekina8ZJbb;aZNg8Saca8Sac9DEh8VJbbbbh8SdnaJTmbaoheaJhHinaeIdbgIa8SaIa8V9FEa8SaIa8S9EEh8SaeclfheaHcufgHmbkkcbhOabhecbhHindnaoaCaeydbgAcdtfydbcdtfIdba8V9ETmbabaOcdtfgYaABdbaYclfaeclfydbBdbaYcwfaecwfydbBdbaOcifhOkaecxfheaHcifgHad6mbkJFFuuh8ZdnaJTmbaoheaJhHJFFuuhIinaeIdbgRaIaIaR9EEg8PaIaRa8V9EgAEhIa8Pa8ZaAEh8ZaeclfheaHcufgHmbkkdnaOad9hmbadhOxdka8Sanana8S9DEhnaOak9nmeaOhda8Zac9FmbkkdnamcjjjjlGTmbazmbaOTmbcbhQabheinaXaeydbgAfRbbc3thKaecwfgLydbhHdndnahaAcdtg8FfydbaeclfgiydbgCSmbcbhYagaCcdtfydbaA9hmekcjjjj94hYkaeaKaYVaAVBdbaXaCfRbbc3thKdndnahaCcdtfydbaHSmbcbhYagaHcdtfydbaC9hmekcjjjj94hYkaiaKaYVaCVBdbaXaHfRbbc3thYdndnahaHcdtfydbaASmbcbhCaga8FfydbaH9hmekcjjjj94hCkaLaYaCVaHVBdbaecxfheaQcifgQaO6mbkkdnazTmbaOTmbaOheinabazabydbcdtfydbBdbabclfhbaecufgembkkdnaPTmbaPa83an:rNUdbkasyd2g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// embed! wasm
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mbaKaHfRbbgYcv2aKaOfRbbgAfc;G1jjbfRbbg8AaAcv2aYfgic;G1jjbfRbbg8KVcFeGTmbdnaXaQ9nmbaic:G1jjbfRbbcFeGmekaAcufhQdnaAaY9hmbaQcFeGce0mbaha8FfydbaH9hmekdndnaAclSmbaYcl9hmekdnaQcFeGce0mbaha8FfydbaH9hmdkaYcufcFeGce0mbaga8LfydbaO9hmekaDaEcx2fgAaHaOa8KcFeGgQEBdlaAaOaHaQEBdbaAaQa8AGcb9hBdwaEcefhEkaeclfgecx9hmbkdna5cifg5ad9pmba3cxfh3aEcifaT9nmekkaETmdcbhYinaqaLaDaYcx2fgAydbgQcdtg3fydbc8S2fgeIdwaaaAydlgXcx2fgHIdwg8VNaeIdzaHIdbgRNaeIdaMg8Sa8SMMa8VNaeIdlaHIdlg8PNaeIdCa8VNaeId3Mg8Sa8SMMa8PNaeIdbaRNaeIdxa8PNaeIdKMg8Sa8SMMaRNaeId8KMMM:lh8SJbbbbJbbjZaeIdygI:vaIJbbbb9BEhIdndnaAydwg8FmbJFFuuh8XxekJbbbbJbbjZaqaLaXcdtfydbc8S2fgeIdyg8R:va8RJbbbb9BEaeIdwaaaQcx2fgHIdwg8RNaeIdzaHIdbg8WNaeIdaMg8Xa8XMMa8RNaeIdlaHIdlg8XNaeIdCa8RNaeId3Mg8Ra8RMMa8XNaeIdba8WNaeIdxa8XNaeIdKMg8Ra8RMMa8WNaeId8KMMM:lNh8XkaIa8SNh8Zdna8JTmbavaQc8S2fgOIdwa8VNaOIdzaRNaOIdaMg8Sa8SMMa8VNaOIdla8PNaOIdCa8VNaOId3Mg8Sa8SMMa8PNaOIdbaRNaOIdxa8PNaOIdKMg8Sa8SMMaRNaOId8KMMMh8SayaXa8J2gwcdtfhHaraQa8J2g8LcltfheaOIdyh8Ra8JhOinaHIdbgIaIa8RNaecxfIdba8VaecwfIdbNaRaeIdbNa8PaeclfIdbNMMMgIaIM:tNa8SMh8SaHclfhHaeczfheaOcufgOmbkdndna8FmbJbbbbhIxekavaXc8S2fgOIdwaaaQcx2fgeIdwgRNaOIdzaeIdbg8PNaOIdaMgIaIMMaRNaOIdlaeIdlg8RNaOIdCaRNaOId3MgIaIMMa8RNaOIdba8PNaOIdxa8RNaOIdKMgIaIMMa8PNaOId8KMMMhIaya8LcdtfhHarawcltfheaOIdyh8Wa8JhOinaHIdbg8Va8Va8WNaecxfIdbaRaecwfIdbNa8PaeIdbNa8RaeclfIdbNMMMg8Va8VM:tNaIMhIaHclfhHaeczfheaOcufgOmbkaI:lhIka8Za8S:lMh8Za8XaIMh8XaKaQfRbbcd9hmbdnagahaha3fydbaXSEa8Ea3fydbgwcdtfydbg3cu9hmba8EaXcdtfydbh3kavawc8S2fgOIdwaaa3cx2fgeIdwg8VNaOIdzaeIdbgRNaOIdaMg8Sa8SMMa8VNaOIdlaeIdlg8PNaOIdCa8VNaOId3Mg8Sa8SMMa8PNaOIdbaRNaOIdxa8PNaOIdKMg8Sa8SMMaRNaOId8KMMMh8Saya3a8J2g8LcdtfhHarawa8J2gicltfheaOIdyh8Ra8JhOinaHIdbgIaIa8RNaecxfIdba8VaecwfIdbNaRaeIdbNa8PaeclfIdbNMMMgIaIM:tNa8SMh8SaHclfhHaeczfheaOcufgOmbkdndna8FmbJbbbbhIxekava3c8S2fgOIdwaaawcx2fgeIdwgRNaOIdzaeIdbg8PNaOIdaMgIaIMMaRNaOIdlaeIdlg8RNaOIdCaRNaOId3MgIaIMMa8RNaOIdba8PNaOIdxa8RNaOIdKMgIaIMMa8PNaOId8KMMMhIayaicdtfhHara8LcltfheaOIdyh8Wa8JhOinaHIdbg8Va8Va8WNaecxfIdbaRaecwfIdbNa8PaeIdbNa8RaeclfIdbNMMMg8Va8VM:tNaIMhIaHclfhHaeczfheaOcufgOmbkaI:lhIka8Za8S:lMh8Za8XaIMh8XkaAa8Za8Xa8Za8X9FgeEUdwaAaXaQaea8FTVgeEBdlaAaQaXaeEBdbaYcefgYaE9hmbkasc;Wbfcbcj;qbz:ljjjb8Aa6heaEhHinasc;WbfaeydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbcefBdbaecxfheaHcufgHmbkcbhecbhHinasc;WbfaefgOydbhAaOaHBdbaAaHfhHaeclfgecj;qb9hmbkcbhea6hHinasc;WbfaHydbcA4cF8FGgOcFAaOcFA6EcdtfgOaOydbgOcefBdbaSaOcdtfaeBdbaHcxfhHaEaecefge9hmbkadak9RgOci9Uh9kdnalTmbcbhea8MhHinaHaeBdbaHclfhHalaecefge9hmbkkcbh0a9hcbalz:ljjjbh5aOcO9Uh9ma9kce4h9nasydwh9ocbh8Kcbh8AdninaDaSa8Acdtfydbcx2fgiIdwg8Sac9Emea8Ka9k9pmeJFFuuhIdna9naE9pmbaDaSa9ncdtfydbcx2fIdwJbb;aZNhIkdna8SaI9ETmba8San9ETmba8Ka9m0mdkdna5aLaiydlgwcdtg9pfydbgAfg9qRbba5aLaiydbg3cdtg9rfydbgefg9sRbbVmbaKa3fRbbh9tdna9eaecdtfgHclfydbgOaHydbgHSmbaOaH9RhQaaaAcx2fhYaaaecx2fh8Fa9oaHcitfhecbhHceh8Ldnindna8MaeydbcdtfydbgOaASmba8MaeclfydbcdtfydbgXaASmbaOaXSmbaaaXcx2fgXIdbaaaOcx2fgOIdbg8V:tg8Sa8FIdlaOIdlgR:tg8WNa8FIdba8V:tg8XaXIdlaR:tgIN:tg8Pa8SaYIdlaR:tg8ZNaYIdba8V:tg80aIN:tgRNaIa8FIdwaOIdwg8R:tg8YNa8WaXIdwa8R:tg8VN:tg8WaIaYIdwa8R:tg81Na8Za8VN:tgINa8Va8XNa8Ya8SN:tg8Ra8Va80Na81a8SN:tg8SNMMa8Pa8PNa8Wa8WNa8Ra8RNMMaRaRNaIaINa8Sa8SNMMN:rJbbj8:N9FmdkaecwfheaHcefgHaQ6h8LaQaH9hmbkka8LceGTmba9ncefh9nxekdndndndna9tc9: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:va8SJbbbb9BEaeIdwaaa3cx2fgHIdwg8SNaeIdzaHIdbgINaeIdaMg8Va8VMMa8SNaeIdlaHIdlg8VNaeIdCa8SNaeId3Mg8Sa8SMMa8VNaeIdbaINaeIdxa8VNaeIdKMg8Sa8SMMaINaeId8KMMM: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:cjjjbkdndnadak0mbadhOxekdna9cmbadhOxekdna8Uac9FmbadhOxekina8UJbb;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:rNUdbkasyd2gecdtascxffc98fhHdninaeTmeaHydbcbyd1:jjjbH:bjjjbbaHc98fhHaecufhexbkkasc;W;qbf8KjjjjbaOk;Yieouabydlhvabydbclfcbaicdtz:ljjjbhoadci9UhrdnadTmbdnalTmbaehwadhDinaoalawydbcdtfydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbxdkkaehwadhDinaoawydbcdtfgqaqydbcefBdbawclfhwaDcufgDmbkkdnaiTmbcbhDaohwinawydbhqawaDBdbawclfhwaqaDfhDaicufgimbkkdnadci6mbinaecwfydbhwaeclfydbhDaeydbhidnalTmbalawcdtfydbhwalaDcdtfydbhDalaicdtfydbhikavaoaicdtfgqydbcitfaDBdbavaqydbcitfawBdlaqaqydbcefBdbavaoaDcdtfgqydbcitfawBdbavaqydbcitfaiBdlaqaqydbcefBdbavaoawcdtfgwydbcitfaiBdbavawydbcitfaDBdlawawydbcefBdbaecxfhearcufgrmbkkabydbcbBdbk;Qodvuv998Jjjjjbca9Rgvczfcwfcbyd11jjbBdbavcb8Pdj1jjb83izavcwfcbydN1jjbBdbavcb8Pd: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:tgqaqJbbbb9DEgqavIdlavIdCgx:tgmamaq9DEgqavIdwavIdKgm:tgPaPaq9DEhPdnabTmbadTmbJbbbbJbbjZaP:vaPJbbbb9BEhqinabaqabIdbak:tNUdbabclfgvaqavIdbax:tNUdbabcwfgvaqavIdbam:tNUdbabcxfhbadcufgdmbkkaPk8MbabaeadaialavcbcbcbcbcbaoarawaDz:bjjjbk8MbabaeadaialavaoarawaDaqakaxamaPz:bjjjbk:DCoDud99rue99iul998Jjjjjbc;Wb9Rgw8KjjjjbdndnarmbcbhDxekawcxfcbc;Kbz:ljjjb8Aawcuadcx2adc;v:Q;v:Qe0Ecbyd:m:jjjbHjjjjbbgqBdxawceBd2aqaeadaicbz:djjjb8AawcuadcdtadcFFFFi0Egkcbyd:m:jjjbHjjjjbbgxBdzawcdBd2adcd4adfhmceheinaegicetheaiam6mbkcbhPawcuaicdtgsaicFFFFi0Ecbyd:m:jjjbHjjjjbbgzBdCawciBd2dndnar:ZgH:rJbbbZMgO:lJbbb9p9DTmbaO:Ohexekcjjjj94hekaicufhAc:bwhmcbhCadhXcbhQinaChLaeamgKcufaeaK9iEaPgDcefaeaD9kEhYdndnadTmbaYcuf:YhOaqhiaxheadhmindndnaiIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhCxekcjjjj94hCkaCcCthCdndnaiclfIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhExekcjjjj94hEkaEcqtaCVhCdndnaicwfIdbaONJbbbZMg8A:lJbbb9p9DTmba8A:OhExekcjjjj94hEkaeaCaEVBdbaicxfhiaeclfheamcufgmmbkazcFeasz:ljjjbh3cbh5cbhPindna3axaPcdtfydbgCcm4aC7c:v;t;h;Ev2gics4ai7aAGgmcdtfgEydbgecuSmbaeaCSmbcehiina3amaifaAGgmcdtfgEydbgecuSmeaicefhiaeaC9hmbkkaEaCBdba5aecuSfh5aPcefgPad9hmbxdkkazcFeasz:ljjjb8Acbh5kaDaYa5ar0giEhPaLa5aiEhCdna5arSmbaYaKaiEgmaP9Rcd9imbdndnaQcl0mbdnaX:ZgOaL:Zg8A:taY:Yg8EaD:Y:tg8Fa8EaK:Y:tgaa5:ZghaH:tNNNaOaH:taaNa8Aah:tNa8AaH:ta8FNahaO:tNM:va8EMJbbbZMgO:lJbbb9p9DTmbaO:Ohexdkcjjjj94hexekaPamfcd9Theka5aXaiEhXaQcefgQcs9hmekkdndnaCmbcihicbhDxekcbhiawakcbyd:m:jjjbHjjjjbbg5BdKawclBd2aPcuf:Yh8AdndnadTmbaqhiaxheadhmindndnaiIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhCxekcjjjj94hCkaCcCthCdndnaiclfIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhExekcjjjj94hEkaEcqtaCVhCdndnaicwfIdba8ANJbbbZMgO:lJbbb9p9DTmbaO:OhExekcjjjj94hEkaeaCaEVBdbaicxfhiaeclfheamcufgmmbkazcFeasz:ljjjbh3cbhDcbhYindndndna3axaYcdtgKfydbgCcm4aC7c:v;t;h;Ev2gics4ai7aAGgmcdtfgEydbgecuSmbcehiinaxaecdtgefydbaCSmdamaifheaicefhia3aeaAGgmcdtfgEydbgecu9hmbkkaEaYBdbaDhiaDcefhDxeka5aefydbhika5aKfaiBdbaYcefgYad9hmbkcuaDc32giaDc;j:KM;jb0EhexekazcFeasz:ljjjb8AcbhDcbhekawaecbyd:m:jjjbHjjjjbbgeBd3awcvBd2aecbaiz:ljjjbhEavcd4hKdnadTmbdnalTmbaKcdth3a5hCaqhealhmadhAinaEaCydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiamIdbaiIdxMUdxaiamclfIdbaiIdzMUdzaiamcwfIdbaiIdCMUdCaiaiIdKJbbjZMUdKaCclfhCaecxfheama3fhmaAcufgAmbxdkka5hmaqheadhCinaEamydbc32fgiaeIdbaiIdbMUdbaiaeclfIdbaiIdlMUdlaiaecwfIdbaiIdwMUdwaiaiIdxJbbbbMUdxaiaiIdzJbbbbMUdzaiaiIdCJbbbbMUdCaiaiIdKJbbjZMUdKamclfhmaecxfheaCcufgCmbkkdnaDTmbaEhiaDheinaiaiIdbJbbbbJbbjZaicKfIdbgO:vaOJbbbb9BEgONUdbaiclfgmaOamIdbNUdbaicwfgmaOamIdbNUdbaicxfgmaOamIdbNUdbaiczfgmaOamIdbNUdbaicCfgmaOamIdbNUdbaic3fhiaecufgembkkcbhCawcuaDcdtgYaDcFFFFi0Egicbyd:m:jjjbHjjjjbbgeBdaawcoBd2awaicbyd:m:jjjbHjjjjbbg3Bd8KaecFeaYz:ljjjbhxdnadTmbJbbjZJbbjZa8A:vaPceSEaoNgOaONh8AaKcdthPalheina8Aaec;81jjbalEgmIdwaEa5ydbgAc32fgiIdC:tgOaONamIdbaiIdx:tgOaONamIdlaiIdz:tgOaONMMNaqcwfIdbaiIdw:tgOaONaqIdbaiIdb:tgOaONaqclfIdbaiIdl:tgOaONMMMhOdndnaxaAcdtgifgmydbcuSmba3aifIdbaO9ETmekamaCBdba3aifaOUdbka5clfh5aqcxfhqaeaPfheadaCcefgC9hmbkkabaxaYz:kjjjb8AcrhikaicdthiinaiTmeaic98fgiawcxffydbcbyd1:jjjbH:bjjjbbxbkkawc;Wbf8KjjjjbaDk:Ydidui99ducbhi8Jjjjjbca9Rglczfcwfcbyd11jjbBdbalcb8Pdj1jjb83izalcwfcbydN1jjbBdbalcb8Pd:m1jjb83ibdndnaembJbbjFhvJbbjFhoJbbjFhrxekadcd4cdthwincbhdinalczfadfgDabadfIdbgvaDIdbgoaoav9EEUdbaladfgDavaDIdbgoaoav9DEUdbadclfgdcx9hmbkabawfhbaicefgiae9hmbkalIdwalIdK:thralIdlalIdC:thoalIdbalIdz:thvkJbbbbavavJbbbb9DEgvaoaoav9DEgvararav9DEk9DeeuabcFeaicdtz:ljjjbhlcbhbdnadTmbindnalaeydbcdtfgiydbcu9hmbaiabBdbabcefhbkaeclfheadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcifc98GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;teeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiaeydlBdlaiaeydwBdwaiaeydxBdxaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk:3eedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdxaialBdwaialBdlaialBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabk9teiucbcbyd:q:jjjbgeabcrfc94GfgbBd:q:jjjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik9:eiuZbhedndncbyd:q:jjjbgdaecztgi9nmbcuheadai9RcFFifcz4nbcuSmekadhekcbabae9Rcifc98Gcbyd:q:jjjbfgdBd:q:jjjbdnadZbcztge9nmbadae9RcFFifcz4nb8Akk6eiucbhidnadTmbdninabRbbglaeRbbgv9hmeaecefheabcefhbadcufgdmbxdkkalav9Rhikaikk:Iedbcjwk1eFFuuFFuuFFuuFFuFFFuFFFuFbbbbbbbbeeebeebebbeeebebbbbbebebbbbbbbbbebbbdbbbbbbbebbbebbbdbbbbbbbbbbbeeeeebebbebbebebbbeebbbbbbbbbbbbbbbbbbbbbc1Dkxebbbdbbb:GNbb'; // embed! wasm
 
 	var wasmpack = new Uint8Array([
 		32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,

From 1f267efdb55712d2c643bcd535101a00107877d9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 6 Jan 2025 11:02:21 -0800
Subject: [PATCH 538/581] Update WASI SDK to 25

Also add a default to WASI_SDK to Makefile, which follows the default
installation path of a Debian package which is perhaps a little easier
to use.
---
 .github/workflows/build.yml   | 10 ++++------
 .github/workflows/release.yml | 10 ++++------
 Makefile                      |  1 +
 3 files changed, 9 insertions(+), 12 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f0f9ebfe12..4368d12d5f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -112,15 +112,13 @@ jobs:
           node-version: '16'
       - name: install wasi
         run: |
-          curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sdk-$VERSION.0-linux.tar.gz | tar xz
-          curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/libclang_rt.builtins-wasm32-wasi-$VERSION.0.tar.gz | tar xz -C wasi-sdk-$VERSION.0
-          curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sysroot-$VERSION.0.tar.gz | tar xz -C wasi-sdk-$VERSION.0/share
-          mv wasi-sdk-$VERSION.0 wasi-sdk
+          curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sdk-$VERSION.0-x86_64-linux.deb > wasi-sdk.deb
+          sudo dpkg -i wasi-sdk.deb
         env:
-          VERSION: 22
+          VERSION: 25
       - name: build
         run: |
-          make -j2 -B WASI_SDK=wasi-sdk gltf/library.wasm js
+          make -j2 -B gltf/library.wasm js
           git status
       - name: test
         run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3d10b18377..cb9f12106e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -45,15 +45,13 @@ jobs:
           node-version: '16'
       - name: install wasi
         run: |
-          curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sdk-$VERSION.0-linux.tar.gz | tar xz
-          curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/libclang_rt.builtins-wasm32-wasi-$VERSION.0.tar.gz | tar xz -C wasi-sdk-$VERSION.0
-          curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sysroot-$VERSION.0.tar.gz | tar xz -C wasi-sdk-$VERSION.0/share
-          mv wasi-sdk-$VERSION.0 wasi-sdk
+          curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sdk-$VERSION.0-x86_64-linux.deb > wasi-sdk.deb
+          sudo dpkg -i wasi-sdk.deb
         env:
-          VERSION: 22
+          VERSION: 25
       - name: build
         run: |
-          make -j2 -B WASI_SDK=wasi-sdk gltf/library.wasm js
+          make -j2 -B gltf/library.wasm js
           git status
       - name: npm pack
         run: |
diff --git a/Makefile b/Makefile
index e821540d4c..46da1c6447 100644
--- a/Makefile
+++ b/Makefile
@@ -40,6 +40,7 @@ ifdef METIS
     $(DEMO): LDFLAGS+=-lmetis
 endif
 
+WASI_SDK?=/opt/wasi-sdk
 WASMCC?=$(WASI_SDK)/bin/clang++
 WASIROOT?=$(WASI_SDK)/share/wasi-sysroot
 

From 4acef92699b8b7d21327c3d3865a79937295115c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 6 Jan 2025 11:06:40 -0800
Subject: [PATCH 539/581] js: Update copyright year to 2025

---
 js/meshopt_clusterizer.js          | 2 +-
 js/meshopt_clusterizer.module.d.ts | 2 +-
 js/meshopt_clusterizer.module.js   | 2 +-
 js/meshopt_decoder.js              | 2 +-
 js/meshopt_decoder.module.d.ts     | 2 +-
 js/meshopt_decoder.module.js       | 2 +-
 js/meshopt_decoder_reference.js    | 2 +-
 js/meshopt_encoder.js              | 2 +-
 js/meshopt_encoder.module.d.ts     | 2 +-
 js/meshopt_encoder.module.js       | 2 +-
 js/meshopt_simplifier.js           | 2 +-
 js/meshopt_simplifier.module.d.ts  | 2 +-
 js/meshopt_simplifier.module.js    | 2 +-
 13 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/js/meshopt_clusterizer.js b/js/meshopt_clusterizer.js
index b9f2db26d0..38ec98766d 100644
--- a/js/meshopt_clusterizer.js
+++ b/js/meshopt_clusterizer.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptClusterizer = (function () {
 	// Built with clang version 19.1.5-wasi-sdk
 	// Built from meshoptimizer 0.22
diff --git a/js/meshopt_clusterizer.module.d.ts b/js/meshopt_clusterizer.module.d.ts
index b9436e41a3..b1b78cae43 100644
--- a/js/meshopt_clusterizer.module.d.ts
+++ b/js/meshopt_clusterizer.module.d.ts
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 
 export class Bounds {
 	centerX: number;
diff --git a/js/meshopt_clusterizer.module.js b/js/meshopt_clusterizer.module.js
index a0ccbf1336..e5d105f515 100644
--- a/js/meshopt_clusterizer.module.js
+++ b/js/meshopt_clusterizer.module.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptClusterizer = (function () {
 	// Built with clang version 19.1.5-wasi-sdk
 	// Built from meshoptimizer 0.22
diff --git a/js/meshopt_decoder.js b/js/meshopt_decoder.js
index e53bdb98fa..90a38fa69d 100644
--- a/js/meshopt_decoder.js
+++ b/js/meshopt_decoder.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptDecoder = (function () {
 	'use strict';
 	// Built with clang version 19.1.5-wasi-sdk
diff --git a/js/meshopt_decoder.module.d.ts b/js/meshopt_decoder.module.d.ts
index 667dfb7be4..6da78b1383 100644
--- a/js/meshopt_decoder.module.d.ts
+++ b/js/meshopt_decoder.module.d.ts
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 export const MeshoptDecoder: {
 	supported: boolean;
 	ready: Promise<void>;
diff --git a/js/meshopt_decoder.module.js b/js/meshopt_decoder.module.js
index 28983df859..6823b4e167 100644
--- a/js/meshopt_decoder.module.js
+++ b/js/meshopt_decoder.module.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptDecoder = (function () {
 	// Built with clang version 19.1.5-wasi-sdk
 	// Built from meshoptimizer 0.22
diff --git a/js/meshopt_decoder_reference.js b/js/meshopt_decoder_reference.js
index c09cc94677..b3120f3602 100644
--- a/js/meshopt_decoder_reference.js
+++ b/js/meshopt_decoder_reference.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 
 // This is the reference decoder implementation by Jasper St. Pierre.
 // It follows the decoder interface and should be a drop-in replacement for the actual decoder from meshopt_decoder.js
diff --git a/js/meshopt_encoder.js b/js/meshopt_encoder.js
index 57aad3ce30..dddf4fba65 100644
--- a/js/meshopt_encoder.js
+++ b/js/meshopt_encoder.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptEncoder = (function () {
 	'use strict';
 	// Built with clang version 19.1.5-wasi-sdk
diff --git a/js/meshopt_encoder.module.d.ts b/js/meshopt_encoder.module.d.ts
index c14b1c7662..b5fe5f02eb 100644
--- a/js/meshopt_encoder.module.d.ts
+++ b/js/meshopt_encoder.module.d.ts
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 export type ExpMode = 'Separate' | 'SharedVector' | 'SharedComponent' | 'Clamped';
 
 export const MeshoptEncoder: {
diff --git a/js/meshopt_encoder.module.js b/js/meshopt_encoder.module.js
index f35ae3aca4..0aeb5842c1 100644
--- a/js/meshopt_encoder.module.js
+++ b/js/meshopt_encoder.module.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptEncoder = (function () {
 	// Built with clang version 19.1.5-wasi-sdk
 	// Built from meshoptimizer 0.22
diff --git a/js/meshopt_simplifier.js b/js/meshopt_simplifier.js
index a76ea34736..42dffb5d7f 100644
--- a/js/meshopt_simplifier.js
+++ b/js/meshopt_simplifier.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptSimplifier = (function () {
 	'use strict';
 	// Built with clang version 19.1.5-wasi-sdk
diff --git a/js/meshopt_simplifier.module.d.ts b/js/meshopt_simplifier.module.d.ts
index 06686f73ad..8f941d2e41 100644
--- a/js/meshopt_simplifier.module.d.ts
+++ b/js/meshopt_simplifier.module.d.ts
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 export type Flags = 'LockBorder' | 'Sparse' | 'ErrorAbsolute' | 'Prune';
 
 export const MeshoptSimplifier: {
diff --git a/js/meshopt_simplifier.module.js b/js/meshopt_simplifier.module.js
index 54e001e8d7..88b0b9986b 100644
--- a/js/meshopt_simplifier.module.js
+++ b/js/meshopt_simplifier.module.js
@@ -1,5 +1,5 @@
 // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
-// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+// Copyright (C) 2016-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
 var MeshoptSimplifier = (function () {
 	// Built with clang version 19.1.5-wasi-sdk
 	// Built from meshoptimizer 0.22

From 9f99bb6c7bc00948b23e67cbb79e3ddaec3f3d6b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 6 Jan 2025 13:51:32 -0800
Subject: [PATCH 540/581] Switch to Node 18 in CI

gltfpack requires Node 18+ now because of an upstream version dependency
by WASI SDK.
---
 .github/workflows/build.yml   | 2 +-
 .github/workflows/release.yml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4368d12d5f..0423182017 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -109,7 +109,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '16'
+          node-version: '18'
       - name: install wasi
         run: |
           curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sdk-$VERSION.0-x86_64-linux.deb > wasi-sdk.deb
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cb9f12106e..105672b138 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -42,7 +42,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '16'
+          node-version: '18'
       - name: install wasi
         run: |
           curl -sL https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$VERSION/wasi-sdk-$VERSION.0-x86_64-linux.deb > wasi-sdk.deb

From d70265d532d9d77e55b4200fee55d5bdf7bc93ec Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 7 Jan 2025 09:01:44 -0800
Subject: [PATCH 541/581] gltfpack: Specify supported Node version in
 package.json

Also fix formatting in wasmstubs.cpp as a drive-by.
---
 gltf/package.json   | 3 +++
 tools/wasmstubs.cpp | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/gltf/package.json b/gltf/package.json
index adcf3d39a2..b2aa973ead 100644
--- a/gltf/package.json
+++ b/gltf/package.json
@@ -21,5 +21,8 @@
 	],
 	"scripts": {
 		"prepublishOnly": "node cli.js -v"
+	},
+	"engines": {
+		"node": ">=18"
 	}
 }
diff --git a/tools/wasmstubs.cpp b/tools/wasmstubs.cpp
index 12287ef542..9092fbfa95 100644
--- a/tools/wasmstubs.cpp
+++ b/tools/wasmstubs.cpp
@@ -2,9 +2,9 @@
 #error This file contains libc stubs for WASI SDK and should only be used in non-Emscripten WebAssembly builds
 #endif
 
+#include <assert.h>
 #include <stddef.h>
 #include <stdint.h>
-#include <assert.h>
 
 extern unsigned char __heap_base;
 static intptr_t sbrkp = intptr_t(&__heap_base);

From b6a2e7269cbb230213876e97498f5379b702b53b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 7 Jan 2025 12:50:08 -0800
Subject: [PATCH 542/581] Update USERS.md

Add a few other engines that use meshoptimizer
---
 USERS.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/USERS.md b/USERS.md
index b67697cd50..78b2e90886 100644
--- a/USERS.md
+++ b/USERS.md
@@ -34,6 +34,9 @@ If you are shipping an engine that is using meshoptimizer, listing the library i
 - [The Forge](https://theforge.dev/)
 - [Godot](https://godotengine.org/)
 - [HypeHype](https://hypehype.com/en)
+- [Luxe Engine](https://luxeengine.com/)
+- [LWJGL](https://www.lwjgl.org/)
+- [Qt Quick 3D](https://doc.qt.io/qt-6/qtquick3d-index.html)
 - [Roblox](https://www.roblox.com/)
 - [Unigine](https://unigine.com/)
 - [Wicked Engine](https://wickedengine.net/)

From 1ede8f14a0ab0de34d94564074f12cae8501a97c Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 7 Jan 2025 12:59:48 -0800
Subject: [PATCH 543/581] Update README.md

Add a note about templated wrappers for arbitrary index types.
---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index c93b862ddf..f48df11d63 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,8 @@ When optimizing a mesh, you should typically feed it through a set of optimizati
 
 Most algorithms in this library assume that a mesh has a vertex buffer and an index buffer. For algorithms to work well and also for GPU to render your mesh efficiently, the vertex buffer has to have no redundant vertices; you can generate an index buffer from an unindexed vertex buffer or reindex an existing (potentially redundant) index buffer as follows:
 
+> Note: meshoptimizer generally works with 32-bit (`unsigned int`) indices, however when using C++ APIs you can use any integer type for index data by using the provided template overloads. By convention, remap tables always use `unsigned int`.
+
 First, generate a remap table from your existing vertex (and, optionally, index) data:
 
 ```c++

From 46301de7eefd6da2caef37cf8ff6f2df47b0ef63 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 10 Jan 2025 07:28:43 -0800
Subject: [PATCH 544/581] Update copyright year to 2025

The js/ folder was already updated separately.
---
 LICENSE.md          | 2 +-
 gltf/gltfpack.h     | 4 ++--
 src/meshoptimizer.h | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/LICENSE.md b/LICENSE.md
index ef9f5919f2..a5c3b1ccca 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2016-2024 Arseny Kapoulkine
+Copyright (c) 2016-2025 Arseny Kapoulkine
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/gltf/gltfpack.h b/gltf/gltfpack.h
index 5868bf1610..17f8ed6644 100644
--- a/gltf/gltfpack.h
+++ b/gltf/gltfpack.h
@@ -1,7 +1,7 @@
 /**
  * gltfpack - version 0.22
  *
- * Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+ * Copyright (C) 2016-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
  * Report bugs and download new versions at https://github.com/zeux/meshoptimizer
  *
  * This application is distributed under the MIT License. See notice at the end of this file.
@@ -404,7 +404,7 @@ void writeExtras(std::string& json, const cgltf_extras& extras);
 void writeScene(std::string& json, const cgltf_scene& scene, const std::string& roots, const Settings& settings);
 
 /**
- * Copyright (c) 2016-2024 Arseny Kapoulkine
+ * Copyright (c) 2016-2025 Arseny Kapoulkine
  *
  * Permission is hereby granted, free of charge, to any person
  * obtaining a copy of this software and associated documentation
diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index e066041d1f..3056d9c390 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -1,7 +1,7 @@
 /**
  * meshoptimizer - version 0.22
  *
- * Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+ * Copyright (C) 2016-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
  * Report bugs and download new versions at https://github.com/zeux/meshoptimizer
  *
  * This library is distributed under the MIT License. See notice at the end of this file.
@@ -1123,7 +1123,7 @@ inline void meshopt_spatialSortTriangles(T* destination, const T* indices, size_
 #endif
 
 /**
- * Copyright (c) 2016-2024 Arseny Kapoulkine
+ * Copyright (c) 2016-2025 Arseny Kapoulkine
  *
  * Permission is hereby granted, free of charge, to any person
  * obtaining a copy of this software and associated documentation

From e76123ed471b81df03aea680ee9f1acea6551d29 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 11 Jan 2025 14:04:11 -0800
Subject: [PATCH 545/581] Update README.md

Slightly improve compression documentation to highlight v1 further, and
note that filters are mostly useful outside of native game engine
context.
---
 README.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index f48df11d63..49bf80b738 100644
--- a/README.md
+++ b/README.md
@@ -243,9 +243,9 @@ For optimal compression results, the values must be quantized to small integers.
 For single-precision floating-point data, it's recommended to use `meshopt_quantizeFloat` to remove entropy from the lower bits of the mantissa. Due to current limitations of the codec, the bit count needs to be 15 (23-8) for good results (7 can be used for more extreme compression).
 For normal or tangent vectors, using octahedral encoding is recommended over three components as it reduces redundancy. Similarly to other quantized values, consider using 10-12 bits per component instead of 16.
 
-When data is bit packed, using v1 vertex codec (via `meshopt_encodeVertexVersion(1)`) and specifying compression level 3 (`meshopt_encodeVertexBufferLevel`) can improve the compression further by redistributing bits between components.
+When data is bit packed, using v1 vertex codec (via `meshopt_encodeVertexVersion(1)`) and specifying compression level 3 (`meshopt_encodeVertexBufferLevel`) can improve the compression further by redistributing bits between components. Note that v1 vertex codec is recommended regardless, as it improves compression ratios and decoding performance even absent bit packing.
 
-To further leverage the inherent structure of some data, the preparation stage can use filters that encode and decode the data in a lossy manner. This is similar to quantization but can be used without having to change the shader code. After decoding, the filter transformation needs to be reversed. This library provides three filters:
+To further leverage the inherent structure of some data, the preparation stage can use filters that encode and decode the data in a lossy manner. This is similar to quantization but can be used without having to change the shader code. After decoding, the filter transformation needs to be reversed. For native game engine pipelines, it is usually more optimal to carefully prequantize and pretransform the vertex data, but sometimes (for example when serializing data in glTF format) this is not a practical option and filters are more practical. This library provides three filters:
 
 - Octahedral filter (`meshopt_encodeFilterOct`/`meshopt_decodeFilterOct`) encodes quantized (snorm) normal or tangent vectors using octahedral encoding. Any number of bits <= 16 can be used with 4 bytes or 8 bytes per vector.
 - Quaternion filter (`meshopt_encodeFilterQuat`/`meshopt_decodeFilterQuat`) encodes quantized (snorm) quaternion vectors; this can be used to encode rotations or tangent frames. Any number of bits between 4 and 16 can be used with 8 bytes per vector.
@@ -256,7 +256,7 @@ To further leverage the inherent structure of some data, the preparation stage c
     - `meshopt_EncodeExpSharedComponent` shares exponents between the same component in different vectors
     - `meshopt_EncodeExpClamped` does not share exponents but clamps the exponent range to reduce exponent entropy
 
-Note that all filters are lossy and require the data to be deinterleaved with one attribute per stream; this faciliates efficient SIMD implementation of filter decoders, allowing the overall decompression speed to be close to that of the raw codec.
+Note that all filters are lossy and require the data to be deinterleaved with one attribute per stream; this faciliates efficient SIMD implementation of filter decoders, allowing the overall decompression speed to be closer to that of the raw codec.
 
 ## Triangle strip conversion
 

From 27075932310a4ab32058f34f531125e11d3a7d5b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 12 Jan 2025 08:09:15 -0800
Subject: [PATCH 546/581] tools: Add cumulative size stats to codectest

As v1 is getting wrapped up, v0-v1 comparison is less valuable compared
to the absolute sizes. It might make sense to replace the cumulative
ratio improvement stats with something like a ratio geomean, but for now
add total size (which is skewed towards larger input files, but is an
accurate representation of total disk size or load time impact for a
given set).
---
 tools/codectest.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tools/codectest.cpp b/tools/codectest.cpp
index 529a27c463..7924fd30a9 100644
--- a/tools/codectest.cpp
+++ b/tools/codectest.cpp
@@ -53,6 +53,12 @@ struct Stats
 	double v10_lz4;
 	double v10_zstd;
 	double count;
+
+	double total_src;
+	double total_v0;
+	double total_v1;
+	double total_v1_lz4;
+	double total_v1_zstd;
 };
 
 void testFile(FILE* file, size_t count, size_t stride, int level, Stats* stats = 0)
@@ -93,6 +99,10 @@ void testFile(FILE* file, size_t count, size_t stride, int level, Stats* stats =
 	{
 		stats->v10_raw += double(output.size()) / double(input.size()) - 1;
 		stats->count++;
+
+		stats->total_src += double(decoded.size());
+		stats->total_v0 += double(input.size());
+		stats->total_v1 += double(output.size());
 	}
 
 	if (stats && stats->testz)
@@ -104,6 +114,9 @@ void testFile(FILE* file, size_t count, size_t stride, int level, Stats* stats =
 		size_t input_zstd = measure_zstd(input);
 		size_t output_zstd = measure_zstd(output);
 
+		stats->total_v1_lz4 += output_lz4;
+		stats->total_v1_zstd += output_zstd;
+
 		printf("\tlz4 %.2f:", double(decoded_lz4) / double(decoded.size()));
 		printf(" v0 %.2f", double(input_lz4) / double(decoded.size()));
 		printf(" v1 %.2f", double(output_lz4) / double(decoded.size()));
@@ -169,6 +182,9 @@ int main(int argc, char** argv)
 		printf("---\n");
 		printf("%d files: raw v1/v0 %+.2f%%, lz4 v1/v0 %+.2f%%, zstd v1/v0 %+.2f%%\n",
 		    int(stats.count), stats.v10_raw / stats.count * 100, stats.v10_lz4 / stats.count * 100, stats.v10_zstd / stats.count * 100);
+		printf("total: input %.2f MB, v0 %.2f MB, v1 %.2f MB, v1+lz4 %.2f MB, v1+zstd %.2f MB\n",
+		    stats.total_src / 1024 / 1024, stats.total_v0 / 1024 / 1024, stats.total_v1 / 1024 / 1024,
+		    stats.total_v1_lz4 / 1024 / 1024, stats.total_v1_zstd / 1024 / 1024);
 		return 0;
 	}
 

From 46a2407a47867c163efc1fd6231656b9db35b29b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 12 Jan 2025 08:25:08 -0800
Subject: [PATCH 547/581] tools: Add ratio geomean statistics to codectest

Since the cumulative sizes can give a skewed perspective for varied data
sets as they depend more on the compressibility of larger files, this
change also adds ratio geomean summary for v0, v1, and v1+lz4/zstd.
---
 tools/codectest.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/tools/codectest.cpp b/tools/codectest.cpp
index 7924fd30a9..2e0d9c6bc8 100644
--- a/tools/codectest.cpp
+++ b/tools/codectest.cpp
@@ -2,6 +2,7 @@
 
 #include <vector>
 
+#include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -54,6 +55,11 @@ struct Stats
 	double v10_zstd;
 	double count;
 
+	double ratio_v0;
+	double ratio_v1;
+	double ratio_v1_lz4;
+	double ratio_v1_zstd;
+
 	double total_src;
 	double total_v0;
 	double total_v1;
@@ -103,6 +109,9 @@ void testFile(FILE* file, size_t count, size_t stride, int level, Stats* stats =
 		stats->total_src += double(decoded.size());
 		stats->total_v0 += double(input.size());
 		stats->total_v1 += double(output.size());
+
+		stats->ratio_v0 += log(double(input.size()) / double(decoded.size()));
+		stats->ratio_v1 += log(double(output.size()) / double(decoded.size()));
 	}
 
 	if (stats && stats->testz)
@@ -117,6 +126,9 @@ void testFile(FILE* file, size_t count, size_t stride, int level, Stats* stats =
 		stats->total_v1_lz4 += output_lz4;
 		stats->total_v1_zstd += output_zstd;
 
+		stats->ratio_v1_lz4 += log(double(output_lz4) / double(decoded.size()));
+		stats->ratio_v1_zstd += log(double(output_zstd) / double(decoded.size()));
+
 		printf("\tlz4 %.2f:", double(decoded_lz4) / double(decoded.size()));
 		printf(" v0 %.2f", double(input_lz4) / double(decoded.size()));
 		printf(" v1 %.2f", double(output_lz4) / double(decoded.size()));
@@ -182,6 +194,9 @@ int main(int argc, char** argv)
 		printf("---\n");
 		printf("%d files: raw v1/v0 %+.2f%%, lz4 v1/v0 %+.2f%%, zstd v1/v0 %+.2f%%\n",
 		    int(stats.count), stats.v10_raw / stats.count * 100, stats.v10_lz4 / stats.count * 100, stats.v10_zstd / stats.count * 100);
+		printf("ratio: v0 %.2f, v1 %.2f, v1+lz4 %.2f, v1+zstd %.2f\n",
+		    exp(stats.ratio_v0 / stats.count), exp(stats.ratio_v1 / stats.count),
+		    exp(stats.ratio_v1_lz4 / stats.count), exp(stats.ratio_v1_zstd / stats.count));
 		printf("total: input %.2f MB, v0 %.2f MB, v1 %.2f MB, v1+lz4 %.2f MB, v1+zstd %.2f MB\n",
 		    stats.total_src / 1024 / 1024, stats.total_v0 / 1024 / 1024, stats.total_v1 / 1024 / 1024,
 		    stats.total_v1_lz4 / 1024 / 1024, stats.total_v1_zstd / 1024 / 1024);

From 8e716e4d8838a037d6c702aa7c4fe974c65f8dab Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 12 Jan 2025 08:46:50 -0800
Subject: [PATCH 548/581] tools: Remove v1/v0 gain statistics from codectest

Since v1 is now more or less a fixed quantity, comparing it to v0 is no
longer useful; instead further analysis should focus on ratio.

This change removes output of v0/v1 ratio and removes v0 lz4/zstd stats
which is helpful for testing time; we still run lz4/zstd on raw data but
do not collect the summary statistics, as this is mostly useful when
analyzing individual files.

Also clean up output in -test mode to avoid printing dummy values.
---
 tools/codectest.cpp | 55 +++++++++++++++++++++------------------------
 1 file changed, 25 insertions(+), 30 deletions(-)

diff --git a/tools/codectest.cpp b/tools/codectest.cpp
index 2e0d9c6bc8..28203ecd4c 100644
--- a/tools/codectest.cpp
+++ b/tools/codectest.cpp
@@ -50,17 +50,14 @@ size_t measure_zstd(const std::vector<unsigned char>& data)
 struct Stats
 {
 	bool testz;
-	double v10_raw;
-	double v10_lz4;
-	double v10_zstd;
 	double count;
+	double size;
 
 	double ratio_v0;
 	double ratio_v1;
 	double ratio_v1_lz4;
 	double ratio_v1_zstd;
 
-	double total_src;
 	double total_v0;
 	double total_v1;
 	double total_v1_lz4;
@@ -97,16 +94,14 @@ void testFile(FILE* file, size_t count, size_t stride, int level, Stats* stats =
 	output.resize(meshopt_encodeVertexBufferLevel(output.data(), output.size(), decoded.data(), count, stride, level));
 
 	printf(" raw %zu KB\t", decoded.size() / 1024);
-	printf(" v0 %.2f", double(input.size()) / double(decoded.size()));
-	printf(" v1 %.2f", double(output.size()) / double(decoded.size()));
-	printf(" v1/v0 %+.1f%%", double(output.size()) / double(input.size()) * 100 - 100);
+	printf(" v0 %.3f", double(input.size()) / double(decoded.size()));
+	printf(" v1 %.3f", double(output.size()) / double(decoded.size()));
 
 	if (stats)
 	{
-		stats->v10_raw += double(output.size()) / double(input.size()) - 1;
 		stats->count++;
+		stats->size += double(decoded.size());
 
-		stats->total_src += double(decoded.size());
 		stats->total_v0 += double(input.size());
 		stats->total_v1 += double(output.size());
 
@@ -117,10 +112,8 @@ void testFile(FILE* file, size_t count, size_t stride, int level, Stats* stats =
 	if (stats && stats->testz)
 	{
 		size_t decoded_lz4 = measure_lz4(decoded);
-		size_t input_lz4 = measure_lz4(input);
 		size_t output_lz4 = measure_lz4(output);
 		size_t decoded_zstd = measure_zstd(decoded);
-		size_t input_zstd = measure_zstd(input);
 		size_t output_zstd = measure_zstd(output);
 
 		stats->total_v1_lz4 += output_lz4;
@@ -129,18 +122,11 @@ void testFile(FILE* file, size_t count, size_t stride, int level, Stats* stats =
 		stats->ratio_v1_lz4 += log(double(output_lz4) / double(decoded.size()));
 		stats->ratio_v1_zstd += log(double(output_zstd) / double(decoded.size()));
 
-		printf("\tlz4 %.2f:", double(decoded_lz4) / double(decoded.size()));
-		printf(" v0 %.2f", double(input_lz4) / double(decoded.size()));
-		printf(" v1 %.2f", double(output_lz4) / double(decoded.size()));
-		printf(" v1/v0 %+.1f%%", double(output_lz4) / double(input_lz4) * 100 - 100);
+		printf("\tlz4 %.3f", double(decoded_lz4) / double(decoded.size()));
+		printf(" v1+lz4 %.3f", double(output_lz4) / double(decoded.size()));
 
-		printf("\tzstd %.2f:", double(decoded_zstd) / double(decoded.size()));
-		printf(" v0 %.2f", double(input_zstd) / double(decoded.size()));
-		printf(" v1 %.2f", double(output_zstd) / double(decoded.size()));
-		printf(" v1/v0 %+.1f%%", double(output_zstd) / double(input_zstd) * 100 - 100);
-
-		stats->v10_lz4 += double(output_lz4) / double(input_lz4) - 1;
-		stats->v10_zstd += double(output_zstd) / double(input_zstd) - 1;
+		printf("\tzstd %.3f", double(decoded_zstd) / double(decoded.size()));
+		printf(" v1+zstd %.3f", double(output_zstd) / double(decoded.size()));
 	}
 }
 
@@ -191,15 +177,24 @@ int main(int argc, char** argv)
 			level = atoi(argv[2] + 1);
 		for (int i = level < 0 ? 2 : 3; i < argc; ++i)
 			testFile(argv[i], level < 0 ? 2 : level, &stats);
+
 		printf("---\n");
-		printf("%d files: raw v1/v0 %+.2f%%, lz4 v1/v0 %+.2f%%, zstd v1/v0 %+.2f%%\n",
-		    int(stats.count), stats.v10_raw / stats.count * 100, stats.v10_lz4 / stats.count * 100, stats.v10_zstd / stats.count * 100);
-		printf("ratio: v0 %.2f, v1 %.2f, v1+lz4 %.2f, v1+zstd %.2f\n",
-		    exp(stats.ratio_v0 / stats.count), exp(stats.ratio_v1 / stats.count),
-		    exp(stats.ratio_v1_lz4 / stats.count), exp(stats.ratio_v1_zstd / stats.count));
-		printf("total: input %.2f MB, v0 %.2f MB, v1 %.2f MB, v1+lz4 %.2f MB, v1+zstd %.2f MB\n",
-		    stats.total_src / 1024 / 1024, stats.total_v0 / 1024 / 1024, stats.total_v1 / 1024 / 1024,
-		    stats.total_v1_lz4 / 1024 / 1024, stats.total_v1_zstd / 1024 / 1024);
+		printf("%d files: v0 %.3f, v1 %.3f",
+		    int(stats.count),
+		    exp(stats.ratio_v0 / stats.count), exp(stats.ratio_v1 / stats.count));
+		if (stats.testz)
+			printf(", v1+lz4 %.3f, v1+zstd %.3f\n", exp(stats.ratio_v1_lz4 / stats.count), exp(stats.ratio_v1_zstd / stats.count));
+		else
+			printf("\n");
+
+		printf("total: %d files, raw %.2f MB, v0 %.2f MB, v1 %.2f MB",
+		    int(stats.count),
+		    stats.size / 1024 / 1024, stats.total_v0 / 1024 / 1024, stats.total_v1 / 1024 / 1024);
+		if (stats.testz)
+			printf(", v1+lz4 %.2f MB, v1+zstd %.2f MB\n", stats.total_v1_lz4 / 1024 / 1024, stats.total_v1_zstd / 1024 / 1024);
+		else
+			printf("\n");
+
 		return 0;
 	}
 

From ebf641671eeacc6372db65cd0d15a623767ce174 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 13 Jan 2025 10:45:32 -0800
Subject: [PATCH 549/581] vertexcodec: Optimize encoding selection of zero
 groups

When checking if a byte group can be encoded as zero, we need to check
16 bytes; to reduce branch mispredictions we can load the byte group into
two 64-bit registers and check the bitwise or. This results in slightly
suboptimal codegen for gcc, but is optimal for clang/MSVC.

This function can also be used to determine if a given vertex block can
use zero encoding as a control mode. For cases when the zero encoding is
selected, this scans the bytes faster and does not rely on
auto-vectorization which sometimes synthesizes rather poor code in this
case.

This change makes encoding ~5-10% faster depending on the data.
---
 src/vertexcodec.cpp | 33 ++++++++++++++++++++-------------
 1 file changed, 20 insertions(+), 13 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index e41d2f295d..7395711033 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -138,12 +138,9 @@ const int kEncodeDefaultLevel = 2;
 
 static size_t getVertexBlockSize(size_t vertex_size)
 {
-	// make sure the entire block fits into the scratch buffer
-	size_t result = kVertexBlockSizeBytes / vertex_size;
-
-	// align to byte group size; we encode each byte as a byte group
-	// if vertex block is misaligned, it results in wasted bytes, so just truncate the block size
-	result &= ~(kByteGroupSize - 1);
+	// make sure the entire block fits into the scratch buffer and is aligned to byte group size
+	// note: the block size is implicitly part of the format, so we can't change it without breaking compatibility
+	size_t result = (kVertexBlockSizeBytes / vertex_size) & ~(kByteGroupSize - 1);
 
 	return (result < kVertexBlockMaxSize) ? result : kVertexBlockMaxSize;
 }
@@ -179,13 +176,14 @@ static Stats* bytestats = NULL;
 static Stats vertexstats[256];
 #endif
 
-static bool canEncodeZero(const unsigned char* buffer, size_t buffer_size)
+static bool encodeBytesGroupZero(const unsigned char* buffer)
 {
-	for (size_t i = 0; i < buffer_size; ++i)
-		if (buffer[i])
-			return false;
+	assert(kByteGroupSize == sizeof(unsigned long long) * 2);
 
-	return true;
+	unsigned long long v[2];
+	memcpy(v, buffer, sizeof(v));
+
+	return (v[0] | v[1]) == 0;
 }
 
 static size_t encodeBytesGroupMeasure(const unsigned char* buffer, int bits)
@@ -193,7 +191,7 @@ static size_t encodeBytesGroupMeasure(const unsigned char* buffer, int bits)
 	assert(bits >= 0 && bits <= 8);
 
 	if (bits == 0)
-		return canEncodeZero(buffer, kByteGroupSize) ? 0 : size_t(-1);
+		return encodeBytesGroupZero(buffer) ? 0 : size_t(-1);
 
 	if (bits == 8)
 		return kByteGroupSize;
@@ -455,9 +453,18 @@ static int estimateChannel(const unsigned char* vertex_data, size_t vertex_count
 	return best_channel == 2 ? best_channel | (xor_rot << 4) : best_channel;
 }
 
+static bool estimateControlZero(const unsigned char* buffer, size_t vertex_count_aligned)
+{
+	for (size_t i = 0; i < vertex_count_aligned; i += kByteGroupSize)
+		if (!encodeBytesGroupZero(buffer + i))
+			return false;
+
+	return true;
+}
+
 static int estimateControl(const unsigned char* buffer, size_t vertex_count, size_t vertex_count_aligned, int level)
 {
-	if (canEncodeZero(buffer, vertex_count))
+	if (estimateControlZero(buffer, vertex_count_aligned))
 		return 2; // zero encoding
 
 	if (level == 0)

From c859268773d48bc60c562edbdc92cec865c3adfe Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 13 Jan 2025 13:54:19 -0800
Subject: [PATCH 550/581] vertexcodec: Simplify bit consistency tracing

Instead of gathering bit consistency data separately when verbose
tracing is activated, gather the statistics during estimateRotate and
present them when level >= 3.

This is similar in verbosity - since the default level is 2, by default
this does not produce extra output - and removes extra trace-only code.
---
 src/vertexcodec.cpp | 30 +++++++++++-------------------
 1 file changed, 11 insertions(+), 19 deletions(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 7395711033..41ffceffe5 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -387,6 +387,11 @@ static int estimateRotate(const unsigned char* vertex_data, size_t vertex_count,
 			vertex += vertex_size;
 		}
 
+#if TRACE
+		for (int j = 0; j < 32; ++j)
+			vertexstats[k + (j / 8)].bitc[j % 8] += (i + group_size < vertex_count ? group_size : vertex_count - i) * (1 - ((bitg >> j) & 1));
+#endif
+
 		for (int j = 0; j < 8; ++j)
 		{
 			unsigned int bitr = rotate(bitg, j);
@@ -529,18 +534,6 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
 #if TRACE
 		const unsigned char* olddata = data;
 		bytestats = &vertexstats[k];
-
-		for (size_t ig = 0; ig < vertex_count; ig += kByteGroupSize)
-		{
-			unsigned char last = (ig == 0) ? last_vertex[k] : vertex_data[vertex_size * (ig - 1) + k];
-			unsigned char delta = 0xff;
-
-			for (size_t i = ig; i < ig + kByteGroupSize && i < vertex_count; ++i)
-				delta &= ~(vertex_data[vertex_size * i + k] ^ last);
-
-			for (int j = 0; j < 8; ++j)
-				bytestats->bitc[j] += (vertex_count - ig < kByteGroupSize ? vertex_count - ig : kByteGroupSize) * ((delta >> j) & 1);
-		}
 #endif
 
 		int ctrl = 0;
@@ -1767,13 +1760,12 @@ size_t meshopt_encodeVertexBufferLevel(unsigned char* buffer, size_t buffer_size
 			    double(vsk.ctrl[2]) / double(total_ctrl) * 100, double(vsk.ctrl[3]) / double(total_ctrl) * 100);
 		}
 
-#if TRACE > 1
-		printf(" | bitc [%3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%%]",
-		    double(vsk.bitc[0]) / double(vertex_count) * 100, double(vsk.bitc[1]) / double(vertex_count) * 100,
-		    double(vsk.bitc[2]) / double(vertex_count) * 100, double(vsk.bitc[3]) / double(vertex_count) * 100,
-		    double(vsk.bitc[4]) / double(vertex_count) * 100, double(vsk.bitc[5]) / double(vertex_count) * 100,
-		    double(vsk.bitc[6]) / double(vertex_count) * 100, double(vsk.bitc[7]) / double(vertex_count) * 100);
-#endif
+		if (level >= 3)
+			printf(" | bitc [%3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%%]",
+			    double(vsk.bitc[0]) / double(vertex_count) * 100, double(vsk.bitc[1]) / double(vertex_count) * 100,
+			    double(vsk.bitc[2]) / double(vertex_count) * 100, double(vsk.bitc[3]) / double(vertex_count) * 100,
+			    double(vsk.bitc[4]) / double(vertex_count) * 100, double(vsk.bitc[5]) / double(vertex_count) * 100,
+			    double(vsk.bitc[6]) / double(vertex_count) * 100, double(vsk.bitc[7]) / double(vertex_count) * 100);
 
 		printf("\n");
 	}

From 3b48dd574d7967c76064909a91fe38e9cfa46c61 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 14 Jan 2025 11:28:23 -0800
Subject: [PATCH 551/581] demo: Rework Nanite demo to link to Metis dynamically

Having separate build configurations makes it harder to work with this
prototype, as different configurations may require rebuilds. Long term
the plan is to remove the Metis dependency, but working through that
requires new algorithms with a stable baseline, so we need this code for
now.

To make things easier, this change removes dependency on metis.h and
uses dynamic linking instead; we only need three functions and a couple
defines so this is fairly painless.
---
 Makefile        |  5 ----
 demo/nanite.cpp | 64 +++++++++++++++++++++++++++++++++----------------
 2 files changed, 44 insertions(+), 25 deletions(-)

diff --git a/Makefile b/Makefile
index 46da1c6447..450e5459fb 100644
--- a/Makefile
+++ b/Makefile
@@ -35,11 +35,6 @@ ifdef BASISU
     endif
 endif
 
-ifdef METIS
-    $(DEMO_OBJECTS): CXXFLAGS+=-DMETIS
-    $(DEMO): LDFLAGS+=-lmetis
-endif
-
 WASI_SDK?=/opt/wasi-sdk
 WASMCC?=$(WASI_SDK)/bin/clang++
 WASIROOT?=$(WASI_SDK)/share/wasi-sysroot
diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 4295226d43..2863c3e67a 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -20,10 +20,26 @@
 #include <map>
 #include <vector>
 
-#ifdef METIS
-#include <metis.h>
+#ifndef _WIN32
+#include <dlfcn.h>
 #endif
 
+#define METIS_OK 1
+#define METIS_OPTION_SEED 8
+#define METIS_OPTION_UFACTOR 16
+#define METIS_NOPTIONS 40
+
+static int METIS = 0;
+static int (*METIS_SetDefaultOptions)(int* options);
+static int (*METIS_PartGraphRecursive)(int* nvtxs, int* ncon, int* xadj,
+    int* adjncy, int* vwgt, int* vsize, int* adjwgt,
+    int* nparts, float* tpwgts, float* ubvec, int* options,
+    int* edgecut, int* part);
+static int (*METIS_PartGraphKway)(int* nvtxs, int* ncon, int* xadj,
+    int* adjncy, int* vwgt, int* vsize, int* adjwgt,
+    int* nparts, float* tpwgts, float* ubvec, int* options,
+    int* edgecut, int* part);
+
 #ifndef TRACE
 #define TRACE 0
 #endif
@@ -119,7 +135,6 @@ static float boundsError(const LODBounds& bounds, float camera_x, float camera_y
 	return bounds.error / (d > camera_znear ? d : camera_znear) * (camera_proj * 0.5f);
 }
 
-#ifdef METIS
 static void clusterizeMetisRec(std::vector<Cluster>& result, const std::vector<unsigned int>& indices, const std::vector<int>& triidx, const std::vector<int>& triadj)
 {
 	assert(triadj.size() == triidx.size() * 3);
@@ -241,15 +256,11 @@ static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices,
 
 	return result;
 }
-#endif
 
 static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
-#ifdef METIS
-	static const char* metis = getenv("METIS");
-	if (metis && atoi(metis) >= 2)
+	if (METIS >= 2)
 		return clusterizeMetis(vertices, indices);
-#endif
 
 	const size_t max_vertices = 192; // TODO: depends on kClusterSize, also may want to dial down for mesh shaders
 	const size_t max_triangles = kClusterSize;
@@ -281,7 +292,6 @@ static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, cons
 	return clusters;
 }
 
-#ifdef METIS
 static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>& clusters, const std::vector<int>& pending, const std::vector<unsigned int>& remap)
 {
 	std::vector<std::vector<int> > result;
@@ -362,15 +372,11 @@ static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>&
 
 	return result;
 }
-#endif
 
 static std::vector<std::vector<int> > partition(const std::vector<Cluster>& clusters, const std::vector<int>& pending, const std::vector<unsigned int>& remap)
 {
-#ifdef METIS
-	static const char* metis = getenv("METIS");
-	if (metis && atoi(metis) >= 1)
+	if (METIS >= 1)
 		return partitionMetis(clusters, pending, remap);
-#endif
 
 	(void)remap;
 
@@ -441,19 +447,37 @@ static std::vector<unsigned int> simplify(const std::vector<Vertex>& vertices, c
 	return lod;
 }
 
+static bool loadMetis()
+{
+#ifdef _WIN32
+	return false;
+#else
+	void* handle = dlopen("libmetis.so", RTLD_NOW | RTLD_LOCAL);
+	if (!handle)
+		return false;
+
+	METIS_SetDefaultOptions = (int (*)(int*))dlsym(handle, "METIS_SetDefaultOptions");
+	METIS_PartGraphRecursive = (int (*)(int*, int*, int*, int*, int*, int*, int*, int*, float*, float*, int*, int*, int*))dlsym(handle, "METIS_PartGraphRecursive");
+	METIS_PartGraphKway = (int (*)(int*, int*, int*, int*, int*, int*, int*, int*, float*, float*, int*, int*, int*))dlsym(handle, "METIS_PartGraphKway");
+
+	return METIS_SetDefaultOptions && METIS_PartGraphRecursive && METIS_PartGraphKway;
+#endif
+}
+
 void dumpObj(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, bool recomputeNormals = false);
 void dumpObj(const char* section, const std::vector<unsigned int>& indices);
 
 void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
 	static const char* metis = getenv("METIS");
-	if (metis && atoi(metis))
+	METIS = metis ? atoi(metis) : 0;
+
+	if (METIS)
 	{
-#ifdef METIS
-		printf("using metis for %s\n", atoi(metis) >= 2 ? "both clustering and partition" : "partition only");
-#else
-		printf("ERROR: build does not have metis available\n");
-#endif
+		if (loadMetis())
+			printf("using metis for %s\n", METIS >= 2 ? "both clustering and partition" : "partition only");
+		else
+			printf("metis library is not available\n"), METIS = 0;
 	}
 
 	static const char* dump = getenv("DUMP");

From b29d59de21c20b9b3285813a16bc49f753cc4d09 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 14 Jan 2025 12:47:34 -0800
Subject: [PATCH 552/581] demo: Minor tweaks for Metis clusterization

The cluster split is sensitive to how even partitions are so using
UFACTOR 1 results in smaller overall cluster count; doing this for large
groups is not quite sufficient.

Also add kUseRetry to be able to disable retry mechanism.
---
 demo/nanite.cpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 2863c3e67a..814863f0a5 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -70,6 +70,7 @@ const size_t kClusterSize = 128;
 const size_t kGroupSize = 8;
 const bool kUseLocks = true;
 const bool kUseNormals = true;
+const bool kUseRetry = true;
 
 static LODBounds bounds(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, float error)
 {
@@ -170,7 +171,7 @@ static void clusterizeMetisRec(std::vector<Cluster>& result, const std::vector<u
 	int options[METIS_NOPTIONS];
 	METIS_SetDefaultOptions(options);
 	options[METIS_OPTION_SEED] = 42;
-	options[METIS_OPTION_UFACTOR] = triidx.size() > 8 * kClusterSize ? 100 : 1;
+	options[METIS_OPTION_UFACTOR] = 1; // minimize partition imbalance
 
 	int nvtxs = int(triidx.size());
 	int ncon = 1;
@@ -613,10 +614,13 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		printf("lod %d: simplified %d clusters (%d full, %.1f tri/cl), %d triangles; stuck %d clusters (%d single), %d triangles\n", depth,
 		    int(pending.size()), full_clusters, pending.empty() ? 0 : double(triangles) / double(pending.size()), int(triangles), stuck_clusters, single_clusters, int(stuck_triangles));
 
-		if (triangles < stuck_triangles / 3)
-			break;
+		if (kUseRetry)
+		{
+			if (triangles < stuck_triangles / 3)
+				break;
 
-		pending.insert(pending.end(), retry.begin(), retry.end());
+			pending.insert(pending.end(), retry.begin(), retry.end());
+		}
 	}
 
 	size_t total_triangles = 0;

From d418abe4427617a120c4955aa7416e801b6fe41a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 14 Jan 2025 13:41:02 -0800
Subject: [PATCH 553/581] demo: Use a mostly-non-recursive triangle clustering

When Metis is used for triangle clustering, we use recursive
partitioning to try to split the mesh into two groups each of which is
split further. This is tricky to balance, as the earlier splits are
constraining future splits, and if the groups aren't evenly divisible by
cluster size, they are bound to get fewer and fewer triangles.

What we can do instead is to use non-recursive partitioning; it will
sometimes leave larger clusters so we can target a slightly larger
partition count to reduce the chance of that happening, and split
overly large clusters (that are rare) further recursively.

This interacts in a strange way with retries, so for now keep using
recursive clusterization.
---
 demo/nanite.cpp | 82 ++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 74 insertions(+), 8 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 814863f0a5..141ab3831c 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -71,6 +71,7 @@ const size_t kGroupSize = 8;
 const bool kUseLocks = true;
 const bool kUseNormals = true;
 const bool kUseRetry = true;
+const bool kRecMetis = true;
 
 static LODBounds bounds(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, float error)
 {
@@ -142,7 +143,7 @@ static void clusterizeMetisRec(std::vector<Cluster>& result, const std::vector<u
 
 	if (triidx.size() <= kClusterSize)
 	{
-		Cluster cluster;
+		Cluster cluster = {};
 		for (size_t i = 0; i < triidx.size(); ++i)
 		{
 			cluster.indices.push_back(indices[triidx[i] * 3 + 0]);
@@ -248,14 +249,79 @@ static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices,
 		triadj[i + 2] = oca != edges.end() ? int(oca->second) : -1;
 	}
 
-	std::vector<int> triidx(indices.size() / 3);
-	for (size_t i = 0; i < indices.size(); i += 3)
-		triidx[i / 3] = int(i / 3);
+	if (kRecMetis)
+	{
+		std::vector<int> triidx(indices.size() / 3);
+		for (size_t i = 0; i < indices.size(); i += 3)
+			triidx[i / 3] = int(i / 3);
 
-	std::vector<Cluster> result;
-	clusterizeMetisRec(result, indices, triidx, triadj);
+		std::vector<Cluster> result;
+		clusterizeMetisRec(result, indices, triidx, triadj);
+		return result;
+	}
+	else
+	{
+		std::vector<int> xadj(indices.size() / 3 + 1);
+		std::vector<int> adjncy;
+		std::vector<int> adjwgt;
+		std::vector<int> part(indices.size() / 3);
 
-	return result;
+		for (size_t i = 0; i < indices.size() / 3; ++i)
+		{
+			for (int j = 0; j < 3; ++j)
+				if (triadj[i * 3 + j] != -1)
+				{
+					adjncy.push_back(triadj[i * 3 + j]);
+					adjwgt.push_back(1);
+				}
+
+			xadj[i + 1] = adjncy.size();
+		}
+
+		int options[METIS_NOPTIONS];
+		METIS_SetDefaultOptions(options);
+		options[METIS_OPTION_SEED] = 42;
+		options[METIS_OPTION_UFACTOR] = 1; // minimize partition imbalance
+
+		int slop = 2; // since Metis can't enforce partition sizes, add a little slop to reduce the change we need to split results further
+
+		int nvtxs = int(indices.size() / 3);
+		int ncon = 1;
+		int nparts = int(indices.size() / 3 + (kClusterSize - slop) - 1) / (kClusterSize - slop);
+		int edgecut = 0;
+
+		int r = METIS_PartGraphKway(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, &adjwgt[0], &nparts, NULL, NULL, options, &edgecut, &part[0]);
+		assert(r == METIS_OK);
+		(void)r;
+
+		std::vector<Cluster> result(nparts);
+
+		for (size_t i = 0; i < indices.size() / 3; ++i)
+		{
+			result[part[i]].indices.push_back(indices[i * 3 + 0]);
+			result[part[i]].indices.push_back(indices[i * 3 + 1]);
+			result[part[i]].indices.push_back(indices[i * 3 + 2]);
+		}
+
+		for (int i = 0; i < nparts; ++i)
+		{
+			result[i].parent.error = FLT_MAX;
+
+			// need to split the cluster further...
+			// this could use meshopt but we're trying to get a complete baseline from metis
+			if (result[i].indices.size() > kClusterSize * 3)
+			{
+				std::vector<Cluster> splits = clusterizeMetis(vertices, result[i].indices);
+				assert(splits.size() > 1);
+
+				result[i] = splits[0];
+				for (size_t j = 1; j < splits.size(); ++j)
+					result.push_back(splits[j]);
+			}
+		}
+
+		return result;
+	}
 }
 
 static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
@@ -476,7 +542,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 	if (METIS)
 	{
 		if (loadMetis())
-			printf("using metis for %s\n", METIS >= 2 ? "both clustering and partition" : "partition only");
+			printf("using metis for %s\n", METIS >= 2 ? (kRecMetis ? "clustering (recursive) and partition" : "clustering (kway) and partition") : "partition only");
 		else
 			printf("metis library is not available\n"), METIS = 0;
 	}

From c8d698cb739d970d262c48e5a0aca9ff68e52c41 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 14 Jan 2025 14:21:58 -0800
Subject: [PATCH 554/581] demo: Simplify Nanite reduction target

The idea behind the previous condition was to target a triangle count
that is a multiple of cluster size since it can be split perfectly by
subsequent clusterization. This is sometimes too restrictive, and it's
probably better to simply target 50% of group's triangles for now.
---
 demo/nanite.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 141ab3831c..a8de5b2997 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -627,7 +627,9 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 				dumpObj("group", merged);
 			}
 
-			size_t target_size = ((groups[i].size() + 1) / 2) * kClusterSize * 3;
+			// aim to reduce group size in half
+			size_t target_size = (merged.size() / 3) / 2 * 3;
+
 			float error = 0.f;
 			std::vector<unsigned int> simplified = simplify(vertices, merged, kUseLocks ? &locks : NULL, target_size, &error);
 			if (simplified.size() > merged.size() * 0.85f || simplified.size() / (kClusterSize * 3) >= merged.size() / (kClusterSize * 3))

From 650d22f148f6920393ab153571b26fcf4293b665 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 14 Jan 2025 14:49:45 -0800
Subject: [PATCH 555/581] demo: Do not record self-adjacency for degenerate
 triangles

This will result in memory safety issues inside Metis and is just
generally incorrect.
---
 demo/nanite.cpp | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index a8de5b2997..b639e5b9d8 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -164,7 +164,10 @@ static void clusterizeMetisRec(std::vector<Cluster>& result, const std::vector<u
 	{
 		for (int j = 0; j < 3; ++j)
 			if (triadj[i * 3 + j] != -1)
+			{
+				assert(triadj[i * 3 + j] != int(i));
 				adjncy.push_back(triadj[i * 3 + j]);
+			}
 
 		xadj[i + 1] = adjncy.size();
 	}
@@ -244,9 +247,9 @@ static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices,
 		std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator obc = edges.find(std::make_pair(v2, v1));
 		std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator oca = edges.find(std::make_pair(v0, v2));
 
-		triadj[i + 0] = oab != edges.end() ? int(oab->second) : -1;
-		triadj[i + 1] = obc != edges.end() ? int(obc->second) : -1;
-		triadj[i + 2] = oca != edges.end() ? int(oca->second) : -1;
+		triadj[i + 0] = oab != edges.end() && oab->second != i / 3 ? int(oab->second) : -1;
+		triadj[i + 1] = obc != edges.end() && obc->second != i / 3 ? int(obc->second) : -1;
+		triadj[i + 2] = oca != edges.end() && oca->second != i / 3 ? int(oca->second) : -1;
 	}
 
 	if (kRecMetis)
@@ -271,6 +274,7 @@ static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices,
 			for (int j = 0; j < 3; ++j)
 				if (triadj[i * 3 + j] != -1)
 				{
+					assert(triadj[i * 3 + j] != int(i));
 					adjncy.push_back(triadj[i * 3 + j]);
 					adjwgt.push_back(1);
 				}

From 678702ff049abe8de15c203d8d9b1100744dc47a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 14 Jan 2025 15:32:04 -0800
Subject: [PATCH 556/581] demo: Switch from METIS_PartGraphKway to -Recursive

We've been using -Recursive partitioning when we do external recursion
and -Kway partitioning otherwise. This appears to have been a mistake:
k-way partitioning results in significantly worse cluster partitioning,
and -recursive function can be called instead for better results.

Also extract simplify threshold to a parameter.
---
 demo/nanite.cpp | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index b639e5b9d8..31d56e32c9 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -35,10 +35,6 @@ static int (*METIS_PartGraphRecursive)(int* nvtxs, int* ncon, int* xadj,
     int* adjncy, int* vwgt, int* vsize, int* adjwgt,
     int* nparts, float* tpwgts, float* ubvec, int* options,
     int* edgecut, int* part);
-static int (*METIS_PartGraphKway)(int* nvtxs, int* ncon, int* xadj,
-    int* adjncy, int* vwgt, int* vsize, int* adjwgt,
-    int* nparts, float* tpwgts, float* ubvec, int* options,
-    int* edgecut, int* part);
 
 #ifndef TRACE
 #define TRACE 0
@@ -72,6 +68,7 @@ const bool kUseLocks = true;
 const bool kUseNormals = true;
 const bool kUseRetry = true;
 const bool kRecMetis = true;
+const float kSimplifyThreshold = 0.85f;
 
 static LODBounds bounds(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, float error)
 {
@@ -294,7 +291,7 @@ static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices,
 		int nparts = int(indices.size() / 3 + (kClusterSize - slop) - 1) / (kClusterSize - slop);
 		int edgecut = 0;
 
-		int r = METIS_PartGraphKway(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, &adjwgt[0], &nparts, NULL, NULL, options, &edgecut, &part[0]);
+		int r = METIS_PartGraphRecursive(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, &adjwgt[0], &nparts, NULL, NULL, options, &edgecut, &part[0]);
 		assert(r == METIS_OK);
 		(void)r;
 
@@ -432,7 +429,7 @@ static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>&
 	}
 	else
 	{
-		int r = METIS_PartGraphKway(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, &adjwgt[0], &nparts, NULL, NULL, options, &edgecut, &part[0]);
+		int r = METIS_PartGraphRecursive(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, &adjwgt[0], &nparts, NULL, NULL, options, &edgecut, &part[0]);
 		assert(r == METIS_OK);
 		(void)r;
 
@@ -529,9 +526,8 @@ static bool loadMetis()
 
 	METIS_SetDefaultOptions = (int (*)(int*))dlsym(handle, "METIS_SetDefaultOptions");
 	METIS_PartGraphRecursive = (int (*)(int*, int*, int*, int*, int*, int*, int*, int*, float*, float*, int*, int*, int*))dlsym(handle, "METIS_PartGraphRecursive");
-	METIS_PartGraphKway = (int (*)(int*, int*, int*, int*, int*, int*, int*, int*, float*, float*, int*, int*, int*))dlsym(handle, "METIS_PartGraphKway");
 
-	return METIS_SetDefaultOptions && METIS_PartGraphRecursive && METIS_PartGraphKway;
+	return METIS_SetDefaultOptions && METIS_PartGraphRecursive;
 #endif
 }
 
@@ -546,7 +542,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 	if (METIS)
 	{
 		if (loadMetis())
-			printf("using metis for %s\n", METIS >= 2 ? (kRecMetis ? "clustering (recursive) and partition" : "clustering (kway) and partition") : "partition only");
+			printf("using metis for %s\n", METIS >= 2 ? (kRecMetis ? "clustering (recursive) and partition" : "clustering and partition") : "partition only");
 		else
 			printf("metis library is not available\n"), METIS = 0;
 	}
@@ -636,7 +632,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 
 			float error = 0.f;
 			std::vector<unsigned int> simplified = simplify(vertices, merged, kUseLocks ? &locks : NULL, target_size, &error);
-			if (simplified.size() > merged.size() * 0.85f || simplified.size() / (kClusterSize * 3) >= merged.size() / (kClusterSize * 3))
+			if (simplified.size() > merged.size() * kSimplifyThreshold || simplified.size() / (kClusterSize * 3) >= merged.size() / (kClusterSize * 3))
 			{
 #if TRACE
 				printf("stuck cluster: simplified %d => %d over threshold\n", int(merged.size() / 3), int(simplified.size() / 3));

From e3498293671f97c9fab3a76ab87cb3370f65bbf6 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 14 Jan 2025 15:45:10 -0800
Subject: [PATCH 557/581] demo: Use vertex adjacency instead of edge adjacency
 for clusterizeMetis

Similarly to group partitioning, we do not need to track shared edges
and can instead track shared vertices. This results in similar
clusterization quality but uses simpler code and data structures.
---
 demo/nanite.cpp | 77 ++++++++++++++++++++++++++++++++-----------------
 1 file changed, 51 insertions(+), 26 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 31d56e32c9..8de741f5ad 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -17,6 +17,7 @@
 #include <stdio.h>
 #include <string.h>
 
+#include <algorithm>
 #include <map>
 #include <vector>
 
@@ -67,7 +68,7 @@ const size_t kGroupSize = 8;
 const bool kUseLocks = true;
 const bool kUseNormals = true;
 const bool kUseRetry = true;
-const bool kRecMetis = true;
+const bool kRecMetis = false;
 const float kSimplifyThreshold = 0.85f;
 
 static LODBounds bounds(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, float error)
@@ -223,34 +224,34 @@ static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices,
 	std::vector<unsigned int> shadowib(indices.size());
 	meshopt_generateShadowIndexBuffer(&shadowib[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(float) * 3, sizeof(Vertex));
 
-	std::map<std::pair<unsigned int, unsigned int>, unsigned int> edges;
-
-	for (size_t i = 0; i < indices.size(); ++i)
+	if (kRecMetis)
 	{
-		unsigned int v0 = shadowib[i + 0];
-		unsigned int v1 = shadowib[i + (i % 3 == 2 ? -2 : 1)];
+		std::map<std::pair<unsigned int, unsigned int>, unsigned int> edges;
 
-		// we don't track adjacency fully on non-manifold edges for now
-		edges[std::make_pair(v0, v1)] = unsigned(i / 3);
-	}
+		for (size_t i = 0; i < indices.size(); ++i)
+		{
+			unsigned int v0 = shadowib[i + 0];
+			unsigned int v1 = shadowib[i + (i % 3 == 2 ? -2 : 1)];
 
-	std::vector<int> triadj(indices.size(), -1);
+			// we don't track adjacency fully on non-manifold edges for now
+			edges[std::make_pair(v0, v1)] = unsigned(i / 3);
+		}
 
-	for (size_t i = 0; i < indices.size(); i += 3)
-	{
-		unsigned int v0 = shadowib[i + 0], v1 = shadowib[i + 1], v2 = shadowib[i + 2];
+		std::vector<int> triadj(indices.size(), -1);
 
-		std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator oab = edges.find(std::make_pair(v1, v0));
-		std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator obc = edges.find(std::make_pair(v2, v1));
-		std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator oca = edges.find(std::make_pair(v0, v2));
+		for (size_t i = 0; i < indices.size(); i += 3)
+		{
+			unsigned int v0 = shadowib[i + 0], v1 = shadowib[i + 1], v2 = shadowib[i + 2];
 
-		triadj[i + 0] = oab != edges.end() && oab->second != i / 3 ? int(oab->second) : -1;
-		triadj[i + 1] = obc != edges.end() && obc->second != i / 3 ? int(obc->second) : -1;
-		triadj[i + 2] = oca != edges.end() && oca->second != i / 3 ? int(oca->second) : -1;
-	}
+			std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator oab = edges.find(std::make_pair(v1, v0));
+			std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator obc = edges.find(std::make_pair(v2, v1));
+			std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator oca = edges.find(std::make_pair(v0, v2));
+
+			triadj[i + 0] = oab != edges.end() && oab->second != i / 3 ? int(oab->second) : -1;
+			triadj[i + 1] = obc != edges.end() && obc->second != i / 3 ? int(obc->second) : -1;
+			triadj[i + 2] = oca != edges.end() && oca->second != i / 3 ? int(oca->second) : -1;
+		}
 
-	if (kRecMetis)
-	{
 		std::vector<int> triidx(indices.size() / 3);
 		for (size_t i = 0; i < indices.size(); i += 3)
 			triidx[i / 3] = int(i / 3);
@@ -261,20 +262,44 @@ static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices,
 	}
 	else
 	{
+		std::vector<std::vector<int> > trilist(vertices.size());
+
+		for (size_t i = 0; i < indices.size(); ++i)
+			trilist[shadowib[i]].push_back(i / 3);
+
 		std::vector<int> xadj(indices.size() / 3 + 1);
 		std::vector<int> adjncy;
 		std::vector<int> adjwgt;
 		std::vector<int> part(indices.size() / 3);
 
+		std::vector<int> scratch;
+
 		for (size_t i = 0; i < indices.size() / 3; ++i)
 		{
-			for (int j = 0; j < 3; ++j)
-				if (triadj[i * 3 + j] != -1)
+			unsigned int a = shadowib[i * 3 + 0], b = shadowib[i * 3 + 1], c = shadowib[i * 3 + 2];
+
+			scratch.clear();
+			scratch.insert(scratch.end(), trilist[a].begin(), trilist[a].end());
+			scratch.insert(scratch.end(), trilist[b].begin(), trilist[b].end());
+			scratch.insert(scratch.end(), trilist[c].begin(), trilist[c].end());
+			std::sort(scratch.begin(), scratch.end());
+
+			for (size_t j = 0; j < scratch.size(); ++j)
+			{
+				if (scratch[j] == int(i))
+					continue;
+
+				if (j == 0 || scratch[j] != scratch[j - 1])
 				{
-					assert(triadj[i * 3 + j] != int(i));
-					adjncy.push_back(triadj[i * 3 + j]);
+					adjncy.push_back(scratch[j]);
 					adjwgt.push_back(1);
 				}
+				else if (j != 0)
+				{
+					assert(scratch[j] == scratch[j - 1]);
+					adjwgt.back()++;
+				}
+			}
 
 			xadj[i + 1] = adjncy.size();
 		}

From 1ab702a52d52070952dd5dfdca9da94d7c8f6dbf Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 15 Jan 2025 08:12:31 -0800
Subject: [PATCH 558/581] demo: Handle clusterization of small triangle groups

METIS as usual insists on having at least two partitions, and produces
incorrect partition indices otherwise. We now handle this in both call
sites by not calling partitioning, as the default partition indices are
0.
---
 demo/nanite.cpp | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 8de741f5ad..ad7d84ece0 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -316,9 +316,13 @@ static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices,
 		int nparts = int(indices.size() / 3 + (kClusterSize - slop) - 1) / (kClusterSize - slop);
 		int edgecut = 0;
 
-		int r = METIS_PartGraphRecursive(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, &adjwgt[0], &nparts, NULL, NULL, options, &edgecut, &part[0]);
-		assert(r == METIS_OK);
-		(void)r;
+		// not sure why this is a special case that we need to handle but okay metis
+		if (nparts > 1)
+		{
+			int r = METIS_PartGraphRecursive(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, &adjwgt[0], &nparts, NULL, NULL, options, &edgecut, &part[0]);
+			assert(r == METIS_OK);
+			(void)r;
+		}
 
 		std::vector<Cluster> result(nparts);
 
@@ -447,22 +451,18 @@ static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>&
 	int nparts = int(pending.size() + kGroupSize - 1) / kGroupSize;
 	int edgecut = 0;
 
-	if (nparts <= 1)
-	{
-		// not sure why this is a special case that we need to handle but okay metis
-		result.push_back(pending);
-	}
-	else
+	// not sure why this is a special case that we need to handle but okay metis
+	if (nparts > 1)
 	{
 		int r = METIS_PartGraphRecursive(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, &adjwgt[0], &nparts, NULL, NULL, options, &edgecut, &part[0]);
 		assert(r == METIS_OK);
 		(void)r;
-
-		result.resize(nparts);
-		for (size_t i = 0; i < part.size(); ++i)
-			result[part[i]].push_back(pending[i]);
 	}
 
+	result.resize(nparts);
+	for (size_t i = 0; i < part.size(); ++i)
+		result[part[i]].push_back(pending[i]);
+
 	return result;
 }
 

From d481b13f2c65b6f1a5ab934d4a41deadff5779b4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 15 Jan 2025 08:15:01 -0800
Subject: [PATCH 559/581] demo: Fix MSVC warnings

---
 demo/nanite.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index ad7d84ece0..c85ef8bb6a 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -167,7 +167,7 @@ static void clusterizeMetisRec(std::vector<Cluster>& result, const std::vector<u
 				adjncy.push_back(triadj[i * 3 + j]);
 			}
 
-		xadj[i + 1] = adjncy.size();
+		xadj[i + 1] = int(adjncy.size());
 	}
 
 	int options[METIS_NOPTIONS];
@@ -265,7 +265,7 @@ static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices,
 		std::vector<std::vector<int> > trilist(vertices.size());
 
 		for (size_t i = 0; i < indices.size(); ++i)
-			trilist[shadowib[i]].push_back(i / 3);
+			trilist[shadowib[i]].push_back(int(i / 3));
 
 		std::vector<int> xadj(indices.size() / 3 + 1);
 		std::vector<int> adjncy;
@@ -301,7 +301,7 @@ static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices,
 				}
 			}
 
-			xadj[i + 1] = adjncy.size();
+			xadj[i + 1] = int(adjncy.size());
 		}
 
 		int options[METIS_NOPTIONS];
@@ -438,7 +438,7 @@ static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>&
 				adjwgt.push_back(it->second);
 			}
 
-		xadj[i + 1] = adjncy.size();
+		xadj[i + 1] = int(adjncy.size());
 	}
 
 	int options[METIS_NOPTIONS];

From 4d53b1999332684fdc0c1a6088bed935c6701cc9 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 16 Jan 2025 06:46:52 -0800
Subject: [PATCH 560/581] vertexcodec: Fix compilation on gcc/ARM for NEON code

gcc uses strongly typed NEON intrinsics and vadd_u16 call was missing
vreinteprret_u16_u8.

Fixes #833.
---
 src/vertexcodec.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vertexcodec.cpp b/src/vertexcodec.cpp
index 41ffceffe5..b0ea61f5b2 100644
--- a/src/vertexcodec.cpp
+++ b/src/vertexcodec.cpp
@@ -1365,7 +1365,7 @@ SIMD_TARGET inline uint8x8_t rebase(uint8x8_t npi, uint8x16_t r0, uint8x16_t r1,
 	{
 		uint16x8_t rsum = vaddq_u16(vaddq_u16(vreinterpretq_u16_u8(r0), vreinterpretq_u16_u8(r1)), vaddq_u16(vreinterpretq_u16_u8(r2), vreinterpretq_u16_u8(r3)));
 		uint16x4_t rsumx = vadd_u16(vget_low_u16(rsum), vget_high_u16(rsum));
-		return vreinterpret_u8_u16(vadd_u16(vadd_u16(npi, rsumx), vext_u16(rsumx, rsumx, 2)));
+		return vreinterpret_u8_u16(vadd_u16(vadd_u16(vreinterpret_u16_u8(npi), rsumx), vext_u16(rsumx, rsumx, 2)));
 	}
 	case 2:
 	{

From 453c45c5bedd163540942af9f6a336e237d9570f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 16 Jan 2025 08:58:07 -0800
Subject: [PATCH 561/581] Add Ubuntu ARM runner for build CI

---
 .github/workflows/build.yml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0423182017..1b784d4b07 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,13 @@ jobs:
   unix:
     strategy:
       matrix:
-        os: [{ name: ubuntu, version: ubuntu-latest }, { name: macos-intel, version: macos-13 }, { name: macos-arm, version: macos-14 }]
+        os:
+          [
+            { name: ubuntu, version: ubuntu-latest },
+            { name: ubuntu-arm, version: ubuntu-24.04-arm },
+            { name: macos-intel, version: macos-13 },
+            { name: macos-arm, version: macos-14 },
+          ]
     name: ${{matrix.os.name}}
     runs-on: ${{matrix.os.version}}
     env:

From fd0bafec92a299835302fea07e042c484163825b Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 16 Jan 2025 09:00:27 -0800
Subject: [PATCH 562/581] Update cifuzz workflow to upload-artifact v4

---
 .github/workflows/cifuzz.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/cifuzz.yml b/.github/workflows/cifuzz.yml
index e481a5ebef..a2b8f604a6 100644
--- a/.github/workflows/cifuzz.yml
+++ b/.github/workflows/cifuzz.yml
@@ -24,7 +24,7 @@ jobs:
           dry-run: false
           language: c++
       - name: Upload Crash
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: failure() && steps.build.outcome == 'success'
         with:
           name: artifacts

From a23ea0f0fff1bfa90cf853f083e020408c209313 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 16 Jan 2025 14:31:26 -0800
Subject: [PATCH 563/581] Update README.md

This should already be clear from the context but for maximum clarity,
add meshopt_optimizeVertexCache to simplification docs.
---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 49bf80b738..a697fbaa36 100644
--- a/README.md
+++ b/README.md
@@ -307,7 +307,7 @@ Finally, when compressing vertex data, `meshopt_encodeVertexBuffer` should be us
 
 All algorithms presented so far don't affect visual appearance at all, with the exception of quantization that has minimal controlled impact. However, fundamentally the most effective way at reducing the rendering or transmission cost of a mesh is to make the mesh simpler.
 
-This library provides two simplification algorithms that reduce the number of triangles in the mesh. Given a vertex and an index buffer, they generate a second index buffer that uses existing vertices in the vertex buffer. This index buffer can be used directly for rendering with the original vertex buffer (preferably after vertex cache optimization), or a new compact vertex/index buffer can be generated using `meshopt_optimizeVertexFetch` that uses the optimal number and order of vertices.
+This library provides two simplification algorithms that reduce the number of triangles in the mesh. Given a vertex and an index buffer, they generate a second index buffer that uses existing vertices in the vertex buffer. This index buffer can be used directly for rendering with the original vertex buffer (preferably after vertex cache optimization using `meshopt_optimizeVertexCache`), or a new compact vertex/index buffer can be generated using `meshopt_optimizeVertexFetch` that uses the optimal number and order of vertices.
 
 The first simplification algorithm, `meshopt_simplify`, follows the topology of the original mesh in an attempt to preserve attribute seams, borders and overall appearance. For meshes with inconsistent topology or many seams, such as faceted meshes, it can result in simplifier getting "stuck" and not being able to simplify the mesh fully. Therefore it's critical that identical vertices are "welded" together, that is, the input vertex buffer does not contain duplicates. Additionally, it may be worthwhile to weld the vertices without taking into account vertex attributes that aren't critical and can be rebuilt later.
 

From bde7c19dd935f28d0ab2fb94e1f06e73250ae87f Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sat, 18 Jan 2025 13:19:52 -0800
Subject: [PATCH 564/581] clusterizer: Remove redundant live_triangles buffer

live_triangles can alias adjacency.counts as they always contain the same
data; this saves a little bit of memory and time.

The same optimization was applied to meshopt_optimizeVertexCache with
the same considerations in the past.
---
 src/clusterizer.cpp | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/clusterizer.cpp b/src/clusterizer.cpp
index 738add5f2f..bc99e48d50 100644
--- a/src/clusterizer.cpp
+++ b/src/clusterizer.cpp
@@ -554,8 +554,8 @@ size_t meshopt_buildMeshlets(meshopt_Meshlet* meshlets, unsigned int* meshlet_ve
 	TriangleAdjacency2 adjacency = {};
 	buildTriangleAdjacency(adjacency, indices, index_count, vertex_count, allocator);
 
-	unsigned int* live_triangles = allocator.allocate<unsigned int>(vertex_count);
-	memcpy(live_triangles, adjacency.counts, vertex_count * sizeof(unsigned int));
+	// live triangle counts; note, we alias adjacency.counts as we remove triangles after emitting them so the counts always match
+	unsigned int* live_triangles = adjacency.counts;
 
 	size_t face_count = index_count / 3;
 
@@ -625,12 +625,9 @@ size_t meshopt_buildMeshlets(meshopt_Meshlet* meshlets, unsigned int* meshlet_ve
 			memset(&meshlet_cone_acc, 0, sizeof(meshlet_cone_acc));
 		}
 
-		live_triangles[a]--;
-		live_triangles[b]--;
-		live_triangles[c]--;
-
 		// remove emitted triangle from adjacency data
 		// this makes sure that we spend less time traversing these lists on subsequent iterations
+		// live triangle counts are updated as a byproduct of these adjustments
 		for (size_t k = 0; k < 3; ++k)
 		{
 			unsigned int index = indices[best_triangle * 3 + k];

From 64f031b39d24db8e1ec19a112b5477c22873aea1 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 19 Jan 2025 09:21:22 -0800
Subject: [PATCH 565/581] demo: Populate cluster neighbors before filling
 adjacency

Instead of gathering adjacency info from the map, we can scatter it into
per-cluster neighbor list, which avoids expensive map iteration for
every cluster. This could be optimized further to avoid
vectors-of-vectors, but that can be left to the actual meshopt cluster
partitioner; this change just improves METIS baseline from performance
perspective to make comparisons more relevant.
---
 demo/nanite.cpp | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index c85ef8bb6a..7cd8c9ebbc 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -419,6 +419,14 @@ static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>&
 				adjacency[std::make_pair(std::min(list[i], list[j]), std::max(list[i], list[j]))]++;
 	}
 
+	std::vector<std::vector<std::pair<int, int> > > neighbors(pending.size());
+
+	for (std::map<std::pair<int, int>, int>::iterator it = adjacency.begin(); it != adjacency.end(); ++it)
+	{
+		neighbors[it->first.first].push_back(std::make_pair(it->first.second, it->second));
+		neighbors[it->first.second].push_back(std::make_pair(it->first.first, it->second));
+	}
+
 	std::vector<int> xadj(pending.size() + 1);
 	std::vector<int> adjncy;
 	std::vector<int> adjwgt;
@@ -426,17 +434,11 @@ static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>&
 
 	for (size_t i = 0; i < pending.size(); ++i)
 	{
-		for (std::map<std::pair<int, int>, int>::iterator it = adjacency.begin(); it != adjacency.end(); ++it)
-			if (it->first.first == int(i))
-			{
-				adjncy.push_back(it->first.second);
-				adjwgt.push_back(it->second);
-			}
-			else if (it->first.second == int(i))
-			{
-				adjncy.push_back(it->first.first);
-				adjwgt.push_back(it->second);
-			}
+		for (size_t j = 0; j < neighbors[i].size(); ++j)
+		{
+			adjncy.push_back(neighbors[i][j].first);
+			adjwgt.push_back(neighbors[i][j].second);
+		}
 
 		xadj[i + 1] = int(adjncy.size());
 	}

From c623543fc424d840545d116b9098539231abd0fa Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Sun, 19 Jan 2025 22:15:34 -0800
Subject: [PATCH 566/581] clusterizer: Implement sparse mode for
 buildTriangleAdjacency

When clusterizer is used to generate meshlets for a small subset of the
mesh, the bulk of the work is in O(vertex_count) loops inside adjacency
build as opposed to the actual clusterizer. Normally the mesh has more
indices than vertices, but for mesh subsets this relationship may be
reversed.

This problem is solved in simplifier by allocating a sparse remap; while
that solution is optimal, it is harder to implement here as the index
buffer needs to be copied and remapped, and this also requires hashing
and other helpers.

A seemingly simple solution is to compute the index range used by the
subset and only allocate and compute adjacency for it; unfortunately, it
is common to have the index range span most of the vertex buffer as the
indices are not necessarily local.

For now this change implements a middleground: we still allocate
adjacency for the entire vertex buffer, but we only fill a subset used
by the index buffer. This requires tracking which vertices we filled,
which we do via a spare bit on the counts[] array that can be set in the
first pass and cleared in the second.

When using 64 triangle clusters on a 1M triangle mesh, this makes the
clusterization itself ~2x faster, and the hierarchical clustering
process can be ~25% faster as a result.
---
 src/clusterizer.cpp | 52 +++++++++++++++++++++++++++++++++++++++------
 1 file changed, 46 insertions(+), 6 deletions(-)

diff --git a/src/clusterizer.cpp b/src/clusterizer.cpp
index bc99e48d50..66d643c9ac 100644
--- a/src/clusterizer.cpp
+++ b/src/clusterizer.cpp
@@ -30,6 +30,10 @@ static void buildTriangleAdjacency(TriangleAdjacency2& adjacency, const unsigned
 {
 	size_t face_count = index_count / 3;
 
+	// sparse mode can build adjacency more quickly by ignoring unused vertices
+	const unsigned int sparse_seen = 1u << 31;
+	bool sparse = vertex_count > index_count && index_count < sparse_seen;
+
 	// allocate arrays
 	adjacency.counts = allocator.allocate<unsigned int>(vertex_count);
 	adjacency.offsets = allocator.allocate<unsigned int>(vertex_count);
@@ -48,10 +52,28 @@ static void buildTriangleAdjacency(TriangleAdjacency2& adjacency, const unsigned
 	// fill offset table
 	unsigned int offset = 0;
 
-	for (size_t i = 0; i < vertex_count; ++i)
+	if (sparse)
 	{
-		adjacency.offsets[i] = offset;
-		offset += adjacency.counts[i];
+		// when using sparse mode this pass uses sparse_seen bit to tag visited vertices
+		for (size_t i = 0; i < index_count; ++i)
+		{
+			unsigned int v = indices[i];
+
+			if ((adjacency.counts[v] & sparse_seen) == 0)
+			{
+				adjacency.offsets[v] = offset;
+				offset += adjacency.counts[v];
+				adjacency.counts[v] |= sparse_seen;
+			}
+		}
+	}
+	else
+	{
+		for (size_t i = 0; i < vertex_count; ++i)
+		{
+			adjacency.offsets[i] = offset;
+			offset += adjacency.counts[i];
+		}
 	}
 
 	assert(offset == index_count);
@@ -67,11 +89,29 @@ static void buildTriangleAdjacency(TriangleAdjacency2& adjacency, const unsigned
 	}
 
 	// fix offsets that have been disturbed by the previous pass
-	for (size_t i = 0; i < vertex_count; ++i)
+	if (sparse)
 	{
-		assert(adjacency.offsets[i] >= adjacency.counts[i]);
+		// when using sparse mode this pass also fixes counts (that were marked with sparse_seen)
+		for (size_t i = 0; i < index_count; ++i)
+		{
+			unsigned int v = indices[i];
+
+			if (adjacency.counts[v] & sparse_seen)
+			{
+				adjacency.counts[v] &= ~sparse_seen;
 
-		adjacency.offsets[i] -= adjacency.counts[i];
+				assert(adjacency.offsets[v] >= adjacency.counts[v]);
+				adjacency.offsets[v] -= adjacency.counts[v];
+			}
+		}
+	}
+	else
+	{
+		for (size_t i = 0; i < vertex_count; ++i)
+		{
+			assert(adjacency.offsets[i] >= adjacency.counts[i]);
+			adjacency.offsets[i] -= adjacency.counts[i];
+		}
 	}
 }
 

From 6176b2092639f1741c8fb3153ef31d65efd8b6ab Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 20 Jan 2025 07:18:00 -0800
Subject: [PATCH 567/581] demo: Add a unit test for sparse meshlets

This is something that we don't normally hit during meshlet processing
outside of Nanite workflows.
---
 demo/tests.cpp | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 5d15aa1b04..706391c8a4 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1040,6 +1040,28 @@ static void clusterBoundsDegenerate()
 	assert(bounds2.center[2] - bounds2.radius <= 0 && bounds2.center[2] + bounds2.radius >= 1);
 }
 
+static void meshletsSparse()
+{
+	const float vbd[16 * 3] = {};
+	const unsigned int ibd[6] = {0, 7, 15, 15, 7, 3};
+
+	meshopt_Meshlet ml[1];
+	unsigned int mv[4];
+	unsigned char mt[8];
+	size_t mc = meshopt_buildMeshlets(ml, mv, mt, ibd, 6, vbd, 16, sizeof(float) * 3, 64, 64, 0.f);
+
+	assert(mc == 1);
+	assert(ml[0].triangle_count == 2);
+	assert(ml[0].vertex_count == 4);
+
+	unsigned int tri0[3] = {mv[mt[0]], mv[mt[1]], mv[mt[2]]};
+	unsigned int tri1[3] = {mv[mt[3]], mv[mt[4]], mv[mt[5]]};
+
+	// technically triangles could also be flipped in the meshlet but for now just assume they aren't
+	assert(memcmp(tri0, ibd + 0, 3 * sizeof(unsigned int)) == 0);
+	assert(memcmp(tri1, ibd + 3, 3 * sizeof(unsigned int)) == 0);
+}
+
 static size_t allocCount;
 static size_t freeCount;
 
@@ -2094,6 +2116,7 @@ void runTests()
 	encodeFilterExpClamp();
 
 	clusterBoundsDegenerate();
+	meshletsSparse();
 
 	customAllocator();
 

From 079e7c65b3d35e46647fc4efbb64d1d082933041 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 20 Jan 2025 09:05:15 -0800
Subject: [PATCH 568/581] clusterizer: Separate sparse and dense adjacency
 builds

In sparse mode we still had a memset(counts) that cleared the entire
array; this is not necessary in sparse mode and can be meaningfully
slower especially if the region of memory is fresh and the pages need to
be committed.

We can instead clear every used index in a separate pass. This results
in a small further performance improvement. This also results in sparse
builds using almost completely separate code, at which point it's
cleaner to split it into a separate function, which is what this commit
also does.
---
 src/clusterizer.cpp | 109 ++++++++++++++++++++++++++++----------------
 1 file changed, 69 insertions(+), 40 deletions(-)

diff --git a/src/clusterizer.cpp b/src/clusterizer.cpp
index 66d643c9ac..b013427811 100644
--- a/src/clusterizer.cpp
+++ b/src/clusterizer.cpp
@@ -30,10 +30,6 @@ static void buildTriangleAdjacency(TriangleAdjacency2& adjacency, const unsigned
 {
 	size_t face_count = index_count / 3;
 
-	// sparse mode can build adjacency more quickly by ignoring unused vertices
-	const unsigned int sparse_seen = 1u << 31;
-	bool sparse = vertex_count > index_count && index_count < sparse_seen;
-
 	// allocate arrays
 	adjacency.counts = allocator.allocate<unsigned int>(vertex_count);
 	adjacency.offsets = allocator.allocate<unsigned int>(vertex_count);
@@ -52,27 +48,68 @@ static void buildTriangleAdjacency(TriangleAdjacency2& adjacency, const unsigned
 	// fill offset table
 	unsigned int offset = 0;
 
-	if (sparse)
+	for (size_t i = 0; i < vertex_count; ++i)
 	{
-		// when using sparse mode this pass uses sparse_seen bit to tag visited vertices
-		for (size_t i = 0; i < index_count; ++i)
-		{
-			unsigned int v = indices[i];
+		adjacency.offsets[i] = offset;
+		offset += adjacency.counts[i];
+	}
 
-			if ((adjacency.counts[v] & sparse_seen) == 0)
-			{
-				adjacency.offsets[v] = offset;
-				offset += adjacency.counts[v];
-				adjacency.counts[v] |= sparse_seen;
-			}
-		}
+	assert(offset == index_count);
+
+	// fill triangle data
+	for (size_t i = 0; i < face_count; ++i)
+	{
+		unsigned int a = indices[i * 3 + 0], b = indices[i * 3 + 1], c = indices[i * 3 + 2];
+
+		adjacency.data[adjacency.offsets[a]++] = unsigned(i);
+		adjacency.data[adjacency.offsets[b]++] = unsigned(i);
+		adjacency.data[adjacency.offsets[c]++] = unsigned(i);
 	}
-	else
+
+	// fix offsets that have been disturbed by the previous pass
+	for (size_t i = 0; i < vertex_count; ++i)
 	{
-		for (size_t i = 0; i < vertex_count; ++i)
+		assert(adjacency.offsets[i] >= adjacency.counts[i]);
+		adjacency.offsets[i] -= adjacency.counts[i];
+	}
+}
+
+static void buildTriangleAdjacencySparse(TriangleAdjacency2& adjacency, const unsigned int* indices, size_t index_count, size_t vertex_count, meshopt_Allocator& allocator)
+{
+	size_t face_count = index_count / 3;
+
+	// sparse mode can build adjacency more quickly by ignoring unused vertices, using a bit to mark visited vertices
+	const unsigned int sparse_seen = 1u << 31;
+	assert(index_count < sparse_seen);
+
+	// allocate arrays
+	adjacency.counts = allocator.allocate<unsigned int>(vertex_count);
+	adjacency.offsets = allocator.allocate<unsigned int>(vertex_count);
+	adjacency.data = allocator.allocate<unsigned int>(index_count);
+
+	// fill triangle counts
+	for (size_t i = 0; i < index_count; ++i)
+		assert(indices[i] < vertex_count);
+
+	for (size_t i = 0; i < index_count; ++i)
+		adjacency.counts[indices[i]] = 0;
+
+	for (size_t i = 0; i < index_count; ++i)
+		adjacency.counts[indices[i]]++;
+
+	// fill offset table
+	unsigned int offset = 0;
+
+	// when using sparse mode this pass uses sparse_seen bit to tag visited vertices
+	for (size_t i = 0; i < index_count; ++i)
+	{
+		unsigned int v = indices[i];
+
+		if ((adjacency.counts[v] & sparse_seen) == 0)
 		{
-			adjacency.offsets[i] = offset;
-			offset += adjacency.counts[i];
+			adjacency.offsets[v] = offset;
+			offset += adjacency.counts[v];
+			adjacency.counts[v] |= sparse_seen;
 		}
 	}
 
@@ -89,28 +126,17 @@ static void buildTriangleAdjacency(TriangleAdjacency2& adjacency, const unsigned
 	}
 
 	// fix offsets that have been disturbed by the previous pass
-	if (sparse)
+	// when using sparse mode this pass also fixes counts (that were marked with sparse_seen)
+	for (size_t i = 0; i < index_count; ++i)
 	{
-		// when using sparse mode this pass also fixes counts (that were marked with sparse_seen)
-		for (size_t i = 0; i < index_count; ++i)
-		{
-			unsigned int v = indices[i];
-
-			if (adjacency.counts[v] & sparse_seen)
-			{
-				adjacency.counts[v] &= ~sparse_seen;
+		unsigned int v = indices[i];
 
-				assert(adjacency.offsets[v] >= adjacency.counts[v]);
-				adjacency.offsets[v] -= adjacency.counts[v];
-			}
-		}
-	}
-	else
-	{
-		for (size_t i = 0; i < vertex_count; ++i)
+		if (adjacency.counts[v] & sparse_seen)
 		{
-			assert(adjacency.offsets[i] >= adjacency.counts[i]);
-			adjacency.offsets[i] -= adjacency.counts[i];
+			adjacency.counts[v] &= ~sparse_seen;
+
+			assert(adjacency.offsets[v] >= adjacency.counts[v]);
+			adjacency.offsets[v] -= adjacency.counts[v];
 		}
 	}
 }
@@ -592,7 +618,10 @@ size_t meshopt_buildMeshlets(meshopt_Meshlet* meshlets, unsigned int* meshlet_ve
 	meshopt_Allocator allocator;
 
 	TriangleAdjacency2 adjacency = {};
-	buildTriangleAdjacency(adjacency, indices, index_count, vertex_count, allocator);
+	if (vertex_count > index_count && index_count < (1u << 31))
+		buildTriangleAdjacencySparse(adjacency, indices, index_count, vertex_count, allocator);
+	else
+		buildTriangleAdjacency(adjacency, indices, index_count, vertex_count, allocator);
 
 	// live triangle counts; note, we alias adjacency.counts as we remove triangles after emitting them so the counts always match
 	unsigned int* live_triangles = adjacency.counts;

From 1eec9bdc6179ef995714cf00cae167b439197597 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Mon, 20 Jan 2025 09:38:27 -0800
Subject: [PATCH 569/581] demo: Add meshletsDense test with the same data as
 meshletsSparse

These are functionally identical but should hit two different adjacency
build paths; the order of triangles should be the same in this case
because the first triangle is selected based on spatial lookup.
---
 demo/tests.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/demo/tests.cpp b/demo/tests.cpp
index 706391c8a4..ac5cb1d4e3 100644
--- a/demo/tests.cpp
+++ b/demo/tests.cpp
@@ -1040,6 +1040,28 @@ static void clusterBoundsDegenerate()
 	assert(bounds2.center[2] - bounds2.radius <= 0 && bounds2.center[2] + bounds2.radius >= 1);
 }
 
+static void meshletsDense()
+{
+	const float vbd[4 * 3] = {};
+	const unsigned int ibd[6] = {0, 2, 1, 1, 2, 3};
+
+	meshopt_Meshlet ml[1];
+	unsigned int mv[4];
+	unsigned char mt[8];
+	size_t mc = meshopt_buildMeshlets(ml, mv, mt, ibd, 6, vbd, 4, sizeof(float) * 3, 64, 64, 0.f);
+
+	assert(mc == 1);
+	assert(ml[0].triangle_count == 2);
+	assert(ml[0].vertex_count == 4);
+
+	unsigned int tri0[3] = {mv[mt[0]], mv[mt[1]], mv[mt[2]]};
+	unsigned int tri1[3] = {mv[mt[3]], mv[mt[4]], mv[mt[5]]};
+
+	// technically triangles could also be flipped in the meshlet but for now just assume they aren't
+	assert(memcmp(tri0, ibd + 0, 3 * sizeof(unsigned int)) == 0);
+	assert(memcmp(tri1, ibd + 3, 3 * sizeof(unsigned int)) == 0);
+}
+
 static void meshletsSparse()
 {
 	const float vbd[16 * 3] = {};
@@ -2116,6 +2138,8 @@ void runTests()
 	encodeFilterExpClamp();
 
 	clusterBoundsDegenerate();
+
+	meshletsDense();
 	meshletsSparse();
 
 	customAllocator();

From 1e6a40c33229b9ce0a07c43f94331cfed401ff99 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 21 Jan 2025 09:49:15 -0800
Subject: [PATCH 570/581] demo: Output average connected components instead of
 not-connected count

This metric is more invariant across different meshes; although note
that we still compute it on the original topology, so the "ideal" number
1.0 is only reachable on fully connected meshes without any normal/UV
splits.
---
 demo/main.cpp | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)

diff --git a/demo/main.cpp b/demo/main.cpp
index 6b1185710c..035f547e73 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -976,8 +976,8 @@ void meshlets(const Mesh& mesh, bool scan = false, bool uniform = false)
 	double avg_vertices = 0;
 	double avg_triangles = 0;
 	double avg_boundary = 0;
+	double avg_connected = 0;
 	size_t not_full = 0;
-	size_t not_connected = 0;
 
 	std::vector<int> boundary(mesh.vertices.size());
 
@@ -1022,16 +1022,17 @@ void meshlets(const Mesh& mesh, bool scan = false, bool uniform = false)
 			roots += follow(parents, j) == int(j);
 
 		assert(roots != 0);
-		not_connected += roots > 1;
+		avg_connected += roots;
 	}
 
 	avg_vertices /= double(meshlets.size());
 	avg_triangles /= double(meshlets.size());
 	avg_boundary /= double(meshlets.size());
+	avg_connected /= double(meshlets.size());
 
-	printf("Meshlets%c: %d meshlets (avg vertices %.1f, avg triangles %.1f, avg boundary %.1f, not full %d, not connected %d) in %.2f msec\n",
+	printf("Meshlets%c: %d meshlets (avg vertices %.1f, avg triangles %.1f, avg boundary %.1f, avg connected %.2f, not full %d) in %.2f msec\n",
 	    scan ? 'S' : (uniform ? 'U' : ' '),
-	    int(meshlets.size()), avg_vertices, avg_triangles, avg_boundary, int(not_full), int(not_connected), (end - start) * 1000);
+	    int(meshlets.size()), avg_vertices, avg_triangles, avg_boundary, avg_connected, int(not_full), (end - start) * 1000);
 
 	float camera[3] = {100, 100, 100};
 
@@ -1401,17 +1402,7 @@ void processDev(const char* path)
 	if (!loadMesh(mesh, path))
 		return;
 
-	Mesh copy = mesh;
-	meshopt_optimizeVertexCache(&copy.indices[0], &copy.indices[0], copy.indices.size(), copy.vertices.size());
-	meshopt_optimizeVertexFetch(&copy.vertices[0], &copy.indices[0], copy.indices.size(), &copy.vertices[0], copy.vertices.size(), sizeof(Vertex));
-
-	meshopt_encodeVertexVersion(0);
-	encodeVertex<PackedVertex>(copy, "L");
-	meshopt_encodeVertexVersion(1);
-	encodeVertex<PackedVertex>(copy, "0", 0);
-	encodeVertex<PackedVertex>(copy, "1", 1);
-	encodeVertex<PackedVertex>(copy, "2", 2);
-	encodeVertex<PackedVertex>(copy, "3", 3);
+	meshlets(mesh);
 }
 
 void processNanite(const char* path)

From ffd0e4b539c0283dcd27f7a7ec3e3a54f9f983ad Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 21 Jan 2025 10:30:22 -0800
Subject: [PATCH 571/581] demo: Add connected component count statistics

For hierarchical clusterization, disconnected clusters that happen early
in the pipeline are problematic because unless they get merged with
other clusters to fill the gap, they will create an increasing number of
locked edges downstream. This makes this a good comparison metric
between different DAG algorithms, so we now compute this for every level
separately.

Unlike main demo, for now we compute this based on position-only
connectivity as this is what is used for cluster partitioning as well.
---
 demo/nanite.cpp | 60 +++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 58 insertions(+), 2 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 7cd8c9ebbc..4040901fef 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -542,6 +542,56 @@ static std::vector<unsigned int> simplify(const std::vector<Vertex>& vertices, c
 	return lod;
 }
 
+static int follow(std::vector<int>& parents, int index)
+{
+	while (index != parents[index])
+	{
+		int parent = parents[index];
+		parents[index] = parents[parent];
+		index = parent;
+	}
+
+	return index;
+}
+
+static int connected(std::vector<int>& parents, const std::vector<unsigned int>& indices, const std::vector<unsigned int>& remap)
+{
+	assert(parents.size() == remap.size());
+
+	for (size_t i = 0; i < indices.size(); ++i)
+	{
+		unsigned int v = remap[indices[i]];
+		parents[v] = v;
+	}
+
+	for (size_t i = 0; i < indices.size(); ++i)
+	{
+		int v0 = remap[indices[i]];
+		int v1 = remap[indices[i + (i % 3 == 2 ? -2 : 1)]];
+
+		v0 = follow(parents, v0);
+		v1 = follow(parents, v1);
+
+		parents[v0] = v1;
+	}
+
+	for (size_t i = 0; i < indices.size(); ++i)
+	{
+		unsigned int v = remap[indices[i]];
+		parents[v] = follow(parents, v);
+	}
+
+	int roots = 0;
+	for (size_t i = 0; i < indices.size(); ++i)
+	{
+		unsigned int v = remap[indices[i]];
+		roots += parents[v] == int(v);
+		parents[v] = -1; // make sure we only count each root once
+	}
+
+	return roots;
+}
+
 static bool loadMetis()
 {
 #ifdef _WIN32
@@ -593,6 +643,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 
 	int depth = 0;
 	std::vector<unsigned char> locks(vertices.size());
+	std::vector<int> parents(vertices.size());
 
 	// for cluster connectivity, we need a position-only remap that maps vertices with the same position to the same index
 	// it's more efficient to build it once; unfortunately, meshopt_generateVertexRemap doesn't support stride so we need to use *Multi version
@@ -613,6 +664,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		int single_clusters = 0;
 		int stuck_clusters = 0;
 		int full_clusters = 0;
+		size_t components = 0;
 
 		if (dump && depth == atoi(dump))
 			dumpObj(vertices, std::vector<unsigned int>());
@@ -702,12 +754,16 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 
 				triangles += split[j].indices.size() / 3;
 				full_clusters += split[j].indices.size() == kClusterSize * 3;
+				components += connected(parents, split[j].indices, remap);
 			}
 		}
 
 		depth++;
-		printf("lod %d: simplified %d clusters (%d full, %.1f tri/cl), %d triangles; stuck %d clusters (%d single), %d triangles\n", depth,
-		    int(pending.size()), full_clusters, pending.empty() ? 0 : double(triangles) / double(pending.size()), int(triangles), stuck_clusters, single_clusters, int(stuck_triangles));
+		printf("lod %d: simplified %d clusters (%d full, %.1f tri/cl, %.2f connected), %d triangles; stuck %d clusters (%d single), %d triangles\n",
+		    depth, int(pending.size()), full_clusters,
+		    pending.empty() ? 0 : double(triangles) / double(pending.size()),
+		    pending.empty() ? 0 : double(components) / double(pending.size()),
+		    int(triangles), stuck_clusters, single_clusters, int(stuck_triangles));
 
 		if (kUseRetry)
 		{

From 7918493c953b406bb37510c3b52abcad2074bf57 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 21 Jan 2025 10:40:57 -0800
Subject: [PATCH 572/581] demo: Add tri/cl and connected metrics for LOD0 as
 well

Since every iteration computes the next DAG level and outputs statistics
just for that, we never end up computing this for LOD0 - but these are
valuable to understand the clusterization efficiency in isolation.
---
 demo/nanite.cpp | 28 +++++++++++++++++-----------
 1 file changed, 17 insertions(+), 11 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 4040901fef..a29d109ec9 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -626,17 +626,6 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 
 	static const char* dump = getenv("DUMP");
 
-	// initial clusterization splits the original mesh
-	std::vector<Cluster> clusters = clusterize(vertices, indices);
-	for (size_t i = 0; i < clusters.size(); ++i)
-		clusters[i].self = bounds(vertices, clusters[i].indices, 0.f);
-
-	printf("lod 0: %d clusters, %d triangles\n", int(clusters.size()), int(indices.size() / 3));
-
-	std::vector<int> pending(clusters.size());
-	for (size_t i = 0; i < clusters.size(); ++i)
-		pending[i] = int(i);
-
 #ifndef NDEBUG
 	std::vector<std::pair<int, int> > dag_debug;
 #endif
@@ -651,6 +640,23 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 	meshopt_Stream position = {&vertices[0].px, sizeof(float) * 3, sizeof(Vertex)};
 	meshopt_generateVertexRemapMulti(&remap[0], &indices[0], indices.size(), vertices.size(), &position, 1);
 
+	// initial clusterization splits the original mesh
+	std::vector<Cluster> clusters = clusterize(vertices, indices);
+	for (size_t i = 0; i < clusters.size(); ++i)
+		clusters[i].self = bounds(vertices, clusters[i].indices, 0.f);
+
+	size_t components_initial = 0;
+	for (size_t i = 0; i < clusters.size(); ++i)
+		components_initial += connected(parents, clusters[i].indices, remap);
+
+	printf("lod 0: %d clusters (%.1f tri/cl, %.2f connected), %d triangles\n",
+	    int(clusters.size()), double(indices.size() / 3) / double(clusters.size()), double(components_initial) / double(clusters.size()),
+	    int(indices.size() / 3));
+
+	std::vector<int> pending(clusters.size());
+	for (size_t i = 0; i < clusters.size(); ++i)
+		pending[i] = int(i);
+
 	// merge and simplify clusters until we can't merge anymore
 	while (pending.size() > 1)
 	{

From 3ca33e874d50aa715fad43149ef47b4f46f8754a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 21 Jan 2025 11:35:53 -0800
Subject: [PATCH 573/581] demo: Implement per cluster vertex statistics

In addition to counting triangles per cluster we now count the average
vertex load. This is relevant for mesh shader execution model, as a
higher vertex reuse will be more efficient to transform and output the
meshlets, and also serves as a proxy for cluster boundary size.
---
 demo/nanite.cpp | 42 ++++++++++++++++++++++++++++++++++++------
 1 file changed, 36 insertions(+), 6 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index a29d109ec9..cdc9cac013 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -592,6 +592,26 @@ static int connected(std::vector<int>& parents, const std::vector<unsigned int>&
 	return roots;
 }
 
+static int xformed(std::vector<int>& used, const std::vector<unsigned int>& indices)
+{
+	for (size_t i = 0; i < indices.size(); ++i)
+	{
+		unsigned int v = indices[i];
+		used[v] = 1;
+	}
+
+	size_t vertices = 0;
+
+	for (size_t i = 0; i < indices.size(); ++i)
+	{
+		unsigned int v = indices[i];
+		vertices += used[v];
+		used[v] = 0;
+	}
+
+	return int(vertices);
+}
+
 static bool loadMetis()
 {
 #ifdef _WIN32
@@ -646,11 +666,18 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		clusters[i].self = bounds(vertices, clusters[i].indices, 0.f);
 
 	size_t components_initial = 0;
+	size_t xformed_initial = 0;
 	for (size_t i = 0; i < clusters.size(); ++i)
+	{
 		components_initial += connected(parents, clusters[i].indices, remap);
+		xformed_initial += xformed(parents, clusters[i].indices);
+	}
 
-	printf("lod 0: %d clusters (%.1f tri/cl, %.2f connected), %d triangles\n",
-	    int(clusters.size()), double(indices.size() / 3) / double(clusters.size()), double(components_initial) / double(clusters.size()),
+	printf("lod 0: %d clusters (%.1f tri/cl, %.1f vtx/cl, %.2f connected), %d triangles\n",
+	    int(clusters.size()),
+	    double(indices.size() / 3) / double(clusters.size()),
+	    double(xformed_initial) / double(clusters.size()),
+	    double(components_initial) / double(clusters.size()),
 	    int(indices.size() / 3));
 
 	std::vector<int> pending(clusters.size());
@@ -670,7 +697,8 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		int single_clusters = 0;
 		int stuck_clusters = 0;
 		int full_clusters = 0;
-		size_t components = 0;
+		size_t components_lod = 0;
+		size_t xformed_lod = 0;
 
 		if (dump && depth == atoi(dump))
 			dumpObj(vertices, std::vector<unsigned int>());
@@ -760,15 +788,17 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 
 				triangles += split[j].indices.size() / 3;
 				full_clusters += split[j].indices.size() == kClusterSize * 3;
-				components += connected(parents, split[j].indices, remap);
+				components_lod += connected(parents, split[j].indices, remap);
+				xformed_lod += xformed(parents, split[j].indices);
 			}
 		}
 
 		depth++;
-		printf("lod %d: simplified %d clusters (%d full, %.1f tri/cl, %.2f connected), %d triangles; stuck %d clusters (%d single), %d triangles\n",
+		printf("lod %d: simplified %d clusters (%d full, %.1f tri/cl, %.1f vtx/cl, %.2f connected), %d triangles; stuck %d clusters (%d single), %d triangles\n",
 		    depth, int(pending.size()), full_clusters,
 		    pending.empty() ? 0 : double(triangles) / double(pending.size()),
-		    pending.empty() ? 0 : double(components) / double(pending.size()),
+		    pending.empty() ? 0 : double(xformed_lod) / double(pending.size()),
+		    pending.empty() ? 0 : double(components_lod) / double(pending.size()),
 		    int(triangles), stuck_clusters, single_clusters, int(stuck_triangles));
 
 		if (kUseRetry)

From 3d26d06f49fb00219b77fe445649de65162fddcd Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 21 Jan 2025 12:20:36 -0800
Subject: [PATCH 574/581] demo: Adjust full cluster output to be relative

All other metrics around clusters we use are relative to cluster count;
the absolute number of full clusters is not meaningfully comparable
between levels, so this change switches that to relative as well.
---
 demo/nanite.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index cdc9cac013..4e69471c99 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -793,12 +793,12 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 			}
 		}
 
+		double inv_clusters = pending.empty() ? 0 : 1.0 / double(pending.size());
+
 		depth++;
-		printf("lod %d: simplified %d clusters (%d full, %.1f tri/cl, %.1f vtx/cl, %.2f connected), %d triangles; stuck %d clusters (%d single), %d triangles\n",
-		    depth, int(pending.size()), full_clusters,
-		    pending.empty() ? 0 : double(triangles) / double(pending.size()),
-		    pending.empty() ? 0 : double(xformed_lod) / double(pending.size()),
-		    pending.empty() ? 0 : double(components_lod) / double(pending.size()),
+		printf("lod %d: simplified %d clusters (%.1f%% full, %.1f tri/cl, %.1f vtx/cl, %.2f connected), %d triangles; stuck %d clusters (%d single), %d triangles\n",
+		    depth, int(pending.size()),
+		    double(full_clusters) * inv_clusters * 100, double(triangles) * inv_clusters, double(xformed_lod) * inv_clusters, double(components_lod) * inv_clusters,
 		    int(triangles), stuck_clusters, single_clusters, int(stuck_triangles));
 
 		if (kUseRetry)

From ab85b45fc090b7e690689716878445ac1d7e37c4 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 21 Jan 2025 12:26:30 -0800
Subject: [PATCH 575/581] demo: Remove recursive Metis triangle clusterizer

With the added metrics it is easy to compare recursive to non-recursive
clusterization; recursive clusterization results in more accumulated
cluster splits over time. It yields slightly more triangles per cluster
on average, but from the global perspective the results are similar.

In the interest of keeping just one superior implementation we will keep
the non-recursive variant, although it's not fully clear which one of
these is better overall.
---
 demo/nanite.cpp | 248 ++++++++++++------------------------------------
 1 file changed, 62 insertions(+), 186 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 4e69471c99..08b5635725 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -68,7 +68,7 @@ const size_t kGroupSize = 8;
 const bool kUseLocks = true;
 const bool kUseNormals = true;
 const bool kUseRetry = true;
-const bool kRecMetis = false;
+const int kMetisSlop = 2;
 const float kSimplifyThreshold = 0.85f;
 
 static LODBounds bounds(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices, float error)
@@ -135,37 +135,49 @@ static float boundsError(const LODBounds& bounds, float camera_x, float camera_y
 	return bounds.error / (d > camera_znear ? d : camera_znear) * (camera_proj * 0.5f);
 }
 
-static void clusterizeMetisRec(std::vector<Cluster>& result, const std::vector<unsigned int>& indices, const std::vector<int>& triidx, const std::vector<int>& triadj)
+static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
-	assert(triadj.size() == triidx.size() * 3);
+	std::vector<unsigned int> shadowib(indices.size());
+	meshopt_generateShadowIndexBuffer(&shadowib[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(float) * 3, sizeof(Vertex));
 
-	if (triidx.size() <= kClusterSize)
-	{
-		Cluster cluster = {};
-		for (size_t i = 0; i < triidx.size(); ++i)
-		{
-			cluster.indices.push_back(indices[triidx[i] * 3 + 0]);
-			cluster.indices.push_back(indices[triidx[i] * 3 + 1]);
-			cluster.indices.push_back(indices[triidx[i] * 3 + 2]);
-		}
+	std::vector<std::vector<int> > trilist(vertices.size());
 
-		cluster.parent.error = FLT_MAX;
-		result.push_back(cluster);
-		return;
-	}
+	for (size_t i = 0; i < indices.size(); ++i)
+		trilist[shadowib[i]].push_back(int(i / 3));
 
-	std::vector<int> xadj(triidx.size() + 1);
+	std::vector<int> xadj(indices.size() / 3 + 1);
 	std::vector<int> adjncy;
-	std::vector<int> part(triidx.size());
+	std::vector<int> adjwgt;
+	std::vector<int> part(indices.size() / 3);
 
-	for (size_t i = 0; i < triidx.size(); ++i)
+	std::vector<int> scratch;
+
+	for (size_t i = 0; i < indices.size() / 3; ++i)
 	{
-		for (int j = 0; j < 3; ++j)
-			if (triadj[i * 3 + j] != -1)
+		unsigned int a = shadowib[i * 3 + 0], b = shadowib[i * 3 + 1], c = shadowib[i * 3 + 2];
+
+		scratch.clear();
+		scratch.insert(scratch.end(), trilist[a].begin(), trilist[a].end());
+		scratch.insert(scratch.end(), trilist[b].begin(), trilist[b].end());
+		scratch.insert(scratch.end(), trilist[c].begin(), trilist[c].end());
+		std::sort(scratch.begin(), scratch.end());
+
+		for (size_t j = 0; j < scratch.size(); ++j)
+		{
+			if (scratch[j] == int(i))
+				continue;
+
+			if (j == 0 || scratch[j] != scratch[j - 1])
+			{
+				adjncy.push_back(scratch[j]);
+				adjwgt.push_back(1);
+			}
+			else if (j != 0)
 			{
-				assert(triadj[i * 3 + j] != int(i));
-				adjncy.push_back(triadj[i * 3 + j]);
+				assert(scratch[j] == scratch[j - 1]);
+				adjwgt.back()++;
 			}
+		}
 
 		xadj[i + 1] = int(adjncy.size());
 	}
@@ -175,183 +187,47 @@ static void clusterizeMetisRec(std::vector<Cluster>& result, const std::vector<u
 	options[METIS_OPTION_SEED] = 42;
 	options[METIS_OPTION_UFACTOR] = 1; // minimize partition imbalance
 
-	int nvtxs = int(triidx.size());
+	// since Metis can't enforce partition sizes, add a little slop to reduce the change we need to split results further
+	int nvtxs = int(indices.size() / 3);
 	int ncon = 1;
-	int nparts = 2;
+	int nparts = int(indices.size() / 3 + (kClusterSize - kMetisSlop) - 1) / (kClusterSize - kMetisSlop);
 	int edgecut = 0;
 
-	int nvtxspad = (nvtxs + kClusterSize - 1) / kClusterSize * kClusterSize;
-	int idealcut = ((nvtxspad / kClusterSize) / 2) * kClusterSize;
-	float partw[2] = {idealcut / float(nvtxspad), 1.f - idealcut / float(nvtxspad)};
-
-	int r = METIS_PartGraphRecursive(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, NULL, &nparts, partw, NULL, options, &edgecut, &part[0]);
-	assert(r == METIS_OK);
-	(void)r;
-
-	int partsize[2] = {};
-	std::vector<int> partoff(part.size());
-	for (size_t i = 0; i < part.size(); ++i)
-		partoff[i] = partsize[part[i]]++;
-
-	for (int p = 0; p < 2; ++p)
+	// not sure why this is a special case that we need to handle but okay metis
+	if (nparts > 1)
 	{
-		std::vector<int> partidx, partadj;
-		partidx.reserve(partsize[p]);
-		partadj.reserve(partsize[p] * 3);
-
-		for (size_t i = 0; i < triidx.size(); ++i)
-		{
-			if (part[i] != p)
-				continue;
-
-			partidx.push_back(triidx[i]);
-
-			for (int j = 0; j < 3; ++j)
-			{
-				if (triadj[i * 3 + j] >= 0 && part[triadj[i * 3 + j]] == p)
-					partadj.push_back(partoff[triadj[i * 3 + j]]);
-				else
-					partadj.push_back(-1);
-			}
-		}
-
-		clusterizeMetisRec(result, indices, partidx, partadj);
+		int r = METIS_PartGraphRecursive(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, &adjwgt[0], &nparts, NULL, NULL, options, &edgecut, &part[0]);
+		assert(r == METIS_OK);
+		(void)r;
 	}
-}
 
-static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
-{
-	std::vector<unsigned int> shadowib(indices.size());
-	meshopt_generateShadowIndexBuffer(&shadowib[0], &indices[0], indices.size(), &vertices[0].px, vertices.size(), sizeof(float) * 3, sizeof(Vertex));
+	std::vector<Cluster> result(nparts);
 
-	if (kRecMetis)
+	for (size_t i = 0; i < indices.size() / 3; ++i)
 	{
-		std::map<std::pair<unsigned int, unsigned int>, unsigned int> edges;
-
-		for (size_t i = 0; i < indices.size(); ++i)
-		{
-			unsigned int v0 = shadowib[i + 0];
-			unsigned int v1 = shadowib[i + (i % 3 == 2 ? -2 : 1)];
-
-			// we don't track adjacency fully on non-manifold edges for now
-			edges[std::make_pair(v0, v1)] = unsigned(i / 3);
-		}
-
-		std::vector<int> triadj(indices.size(), -1);
-
-		for (size_t i = 0; i < indices.size(); i += 3)
-		{
-			unsigned int v0 = shadowib[i + 0], v1 = shadowib[i + 1], v2 = shadowib[i + 2];
-
-			std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator oab = edges.find(std::make_pair(v1, v0));
-			std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator obc = edges.find(std::make_pair(v2, v1));
-			std::map<std::pair<unsigned int, unsigned int>, unsigned int>::iterator oca = edges.find(std::make_pair(v0, v2));
-
-			triadj[i + 0] = oab != edges.end() && oab->second != i / 3 ? int(oab->second) : -1;
-			triadj[i + 1] = obc != edges.end() && obc->second != i / 3 ? int(obc->second) : -1;
-			triadj[i + 2] = oca != edges.end() && oca->second != i / 3 ? int(oca->second) : -1;
-		}
-
-		std::vector<int> triidx(indices.size() / 3);
-		for (size_t i = 0; i < indices.size(); i += 3)
-			triidx[i / 3] = int(i / 3);
-
-		std::vector<Cluster> result;
-		clusterizeMetisRec(result, indices, triidx, triadj);
-		return result;
+		result[part[i]].indices.push_back(indices[i * 3 + 0]);
+		result[part[i]].indices.push_back(indices[i * 3 + 1]);
+		result[part[i]].indices.push_back(indices[i * 3 + 2]);
 	}
-	else
-	{
-		std::vector<std::vector<int> > trilist(vertices.size());
-
-		for (size_t i = 0; i < indices.size(); ++i)
-			trilist[shadowib[i]].push_back(int(i / 3));
-
-		std::vector<int> xadj(indices.size() / 3 + 1);
-		std::vector<int> adjncy;
-		std::vector<int> adjwgt;
-		std::vector<int> part(indices.size() / 3);
 
-		std::vector<int> scratch;
-
-		for (size_t i = 0; i < indices.size() / 3; ++i)
-		{
-			unsigned int a = shadowib[i * 3 + 0], b = shadowib[i * 3 + 1], c = shadowib[i * 3 + 2];
-
-			scratch.clear();
-			scratch.insert(scratch.end(), trilist[a].begin(), trilist[a].end());
-			scratch.insert(scratch.end(), trilist[b].begin(), trilist[b].end());
-			scratch.insert(scratch.end(), trilist[c].begin(), trilist[c].end());
-			std::sort(scratch.begin(), scratch.end());
-
-			for (size_t j = 0; j < scratch.size(); ++j)
-			{
-				if (scratch[j] == int(i))
-					continue;
-
-				if (j == 0 || scratch[j] != scratch[j - 1])
-				{
-					adjncy.push_back(scratch[j]);
-					adjwgt.push_back(1);
-				}
-				else if (j != 0)
-				{
-					assert(scratch[j] == scratch[j - 1]);
-					adjwgt.back()++;
-				}
-			}
-
-			xadj[i + 1] = int(adjncy.size());
-		}
-
-		int options[METIS_NOPTIONS];
-		METIS_SetDefaultOptions(options);
-		options[METIS_OPTION_SEED] = 42;
-		options[METIS_OPTION_UFACTOR] = 1; // minimize partition imbalance
-
-		int slop = 2; // since Metis can't enforce partition sizes, add a little slop to reduce the change we need to split results further
-
-		int nvtxs = int(indices.size() / 3);
-		int ncon = 1;
-		int nparts = int(indices.size() / 3 + (kClusterSize - slop) - 1) / (kClusterSize - slop);
-		int edgecut = 0;
-
-		// not sure why this is a special case that we need to handle but okay metis
-		if (nparts > 1)
-		{
-			int r = METIS_PartGraphRecursive(&nvtxs, &ncon, &xadj[0], &adjncy[0], NULL, NULL, &adjwgt[0], &nparts, NULL, NULL, options, &edgecut, &part[0]);
-			assert(r == METIS_OK);
-			(void)r;
-		}
-
-		std::vector<Cluster> result(nparts);
-
-		for (size_t i = 0; i < indices.size() / 3; ++i)
-		{
-			result[part[i]].indices.push_back(indices[i * 3 + 0]);
-			result[part[i]].indices.push_back(indices[i * 3 + 1]);
-			result[part[i]].indices.push_back(indices[i * 3 + 2]);
-		}
+	for (int i = 0; i < nparts; ++i)
+	{
+		result[i].parent.error = FLT_MAX;
 
-		for (int i = 0; i < nparts; ++i)
+		// need to split the cluster further...
+		// this could use meshopt but we're trying to get a complete baseline from metis
+		if (result[i].indices.size() > kClusterSize * 3)
 		{
-			result[i].parent.error = FLT_MAX;
-
-			// need to split the cluster further...
-			// this could use meshopt but we're trying to get a complete baseline from metis
-			if (result[i].indices.size() > kClusterSize * 3)
-			{
-				std::vector<Cluster> splits = clusterizeMetis(vertices, result[i].indices);
-				assert(splits.size() > 1);
+			std::vector<Cluster> splits = clusterizeMetis(vertices, result[i].indices);
+			assert(splits.size() > 1);
 
-				result[i] = splits[0];
-				for (size_t j = 1; j < splits.size(); ++j)
-					result.push_back(splits[j]);
-			}
+			result[i] = splits[0];
+			for (size_t j = 1; j < splits.size(); ++j)
+				result.push_back(splits[j]);
 		}
-
-		return result;
 	}
+
+	return result;
 }
 
 static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
@@ -639,7 +515,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 	if (METIS)
 	{
 		if (loadMetis())
-			printf("using metis for %s\n", METIS >= 2 ? (kRecMetis ? "clustering (recursive) and partition" : "clustering and partition") : "partition only");
+			printf("using metis for %s\n", METIS >= 2 ? "clustering and partition" : "partition only");
 		else
 			printf("metis library is not available\n"), METIS = 0;
 	}

From f38bd3ba83e974fefe5f03197d31364ae0ce7862 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 21 Jan 2025 21:52:40 -0800
Subject: [PATCH 576/581] demo: Rename metrics collection for clarity

These names make it more clear that the functions are only needed to
collect statistics.
---
 demo/nanite.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 08b5635725..639e2ee116 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -430,7 +430,7 @@ static int follow(std::vector<int>& parents, int index)
 	return index;
 }
 
-static int connected(std::vector<int>& parents, const std::vector<unsigned int>& indices, const std::vector<unsigned int>& remap)
+static int measureComponents(std::vector<int>& parents, const std::vector<unsigned int>& indices, const std::vector<unsigned int>& remap)
 {
 	assert(parents.size() == remap.size());
 
@@ -468,7 +468,7 @@ static int connected(std::vector<int>& parents, const std::vector<unsigned int>&
 	return roots;
 }
 
-static int xformed(std::vector<int>& used, const std::vector<unsigned int>& indices)
+static int measureUnique(std::vector<int>& used, const std::vector<unsigned int>& indices)
 {
 	for (size_t i = 0; i < indices.size(); ++i)
 	{
@@ -545,8 +545,8 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 	size_t xformed_initial = 0;
 	for (size_t i = 0; i < clusters.size(); ++i)
 	{
-		components_initial += connected(parents, clusters[i].indices, remap);
-		xformed_initial += xformed(parents, clusters[i].indices);
+		components_initial += measureComponents(parents, clusters[i].indices, remap);
+		xformed_initial += measureUnique(parents, clusters[i].indices);
 	}
 
 	printf("lod 0: %d clusters (%.1f tri/cl, %.1f vtx/cl, %.2f connected), %d triangles\n",
@@ -664,8 +664,8 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 
 				triangles += split[j].indices.size() / 3;
 				full_clusters += split[j].indices.size() == kClusterSize * 3;
-				components_lod += connected(parents, split[j].indices, remap);
-				xformed_lod += xformed(parents, split[j].indices);
+				components_lod += measureComponents(parents, split[j].indices, remap);
+				xformed_lod += measureUnique(parents, split[j].indices);
 			}
 		}
 

From d90948471d61d5064c509064f8c8a5079333f6c7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 22 Jan 2025 06:24:34 -0800
Subject: [PATCH 577/581] demo: Implement locked boundary metrics

When vertex locks are used, we can count the number of locked vertices
in each cluster which is a representation of the boundary that restricts
the simplifier. This is a little different from the regular meshlet
boundary, as the boundary is computed for groups of clusters, but
evaluated on a simplified subset to make the metrics match between other
metrics of the same LOD.

To reduce clutter we also now output stuck statistics only if any
clusters are stuck in a given LOD.
---
 demo/nanite.cpp | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 639e2ee116..93ae528938 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -468,7 +468,7 @@ static int measureComponents(std::vector<int>& parents, const std::vector<unsign
 	return roots;
 }
 
-static int measureUnique(std::vector<int>& used, const std::vector<unsigned int>& indices)
+static int measureUnique(std::vector<int>& used, const std::vector<unsigned int>& indices, const std::vector<unsigned char>* locks = NULL)
 {
 	for (size_t i = 0; i < indices.size(); ++i)
 	{
@@ -481,7 +481,7 @@ static int measureUnique(std::vector<int>& used, const std::vector<unsigned int>
 	for (size_t i = 0; i < indices.size(); ++i)
 	{
 		unsigned int v = indices[i];
-		vertices += used[v];
+		vertices += used[v] && (!locks || !(*locks)[v]);
 		used[v] = 0;
 	}
 
@@ -575,6 +575,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		int full_clusters = 0;
 		size_t components_lod = 0;
 		size_t xformed_lod = 0;
+		size_t boundary_lod = 0;
 
 		if (dump && depth == atoi(dump))
 			dumpObj(vertices, std::vector<unsigned int>());
@@ -666,16 +667,20 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 				full_clusters += split[j].indices.size() == kClusterSize * 3;
 				components_lod += measureComponents(parents, split[j].indices, remap);
 				xformed_lod += measureUnique(parents, split[j].indices);
+				boundary_lod += kUseLocks ? measureUnique(parents, split[j].indices, &locks) : 0;
 			}
 		}
 
 		double inv_clusters = pending.empty() ? 0 : 1.0 / double(pending.size());
 
 		depth++;
-		printf("lod %d: simplified %d clusters (%.1f%% full, %.1f tri/cl, %.1f vtx/cl, %.2f connected), %d triangles; stuck %d clusters (%d single), %d triangles\n",
+		printf("lod %d: %d clusters (%.1f%% full, %.1f tri/cl, %.1f vtx/cl, %.2f connected, %.1f boundary), %d triangles",
 		    depth, int(pending.size()),
-		    double(full_clusters) * inv_clusters * 100, double(triangles) * inv_clusters, double(xformed_lod) * inv_clusters, double(components_lod) * inv_clusters,
-		    int(triangles), stuck_clusters, single_clusters, int(stuck_triangles));
+		    double(full_clusters) * inv_clusters * 100, double(triangles) * inv_clusters, double(xformed_lod) * inv_clusters, double(components_lod) * inv_clusters, double(boundary_lod) * inv_clusters,
+		    int(triangles));
+		if (stuck_clusters)
+			printf("; stuck %d clusters (%d single, %d triangles)", stuck_clusters, single_clusters, int(stuck_triangles));
+		printf("\n");
 
 		if (kUseRetry)
 		{

From a88785bba423c4e43b3a0c398838874cc42f353e Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 22 Jan 2025 10:11:25 -0800
Subject: [PATCH 578/581] demo: Add ideal DAG depth metric

This helps, at a glance, to see if the DAG is truncated early or is too
deep compared to the "optimal" depth. The optimal depth by itself is not
necessarily a good target to chase, as long as the real depth is within
a couple levels the DAG should be just fine.
---
 demo/nanite.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 93ae528938..8ceb500132 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -549,6 +549,8 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 		xformed_initial += measureUnique(parents, clusters[i].indices);
 	}
 
+	printf("ideal lod chain: %.1f levels\n", log2(double(indices.size() / 3) / double(kClusterSize)));
+
 	printf("lod 0: %d clusters (%.1f tri/cl, %.1f vtx/cl, %.2f connected), %d triangles\n",
 	    int(clusters.size()),
 	    double(indices.size() / 3) / double(clusters.size()),

From 4e1f0a5e8d02f6073c26da4069acf4bb66c8f5e1 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Thu, 23 Jan 2025 20:22:54 -0800
Subject: [PATCH 579/581] Update README.md

Remove extra sentence about v1 in the general compression docs that is
redundant with the previous paragraph.
---
 README.md | 2 --
 1 file changed, 2 deletions(-)

diff --git a/README.md b/README.md
index a697fbaa36..bee53c3306 100644
--- a/README.md
+++ b/README.md
@@ -183,8 +183,6 @@ Decoding functions are heavily optimized and can directly target write-combined
 
 For additional improvements in compression ratio and decoding performance, it is recommended to switch to vertex codec v1 (via `meshopt_encodeVertexVersion(1)`). This will result in smaller outputs that decode faster, and provide additional control over compression level - `meshopt_encodeVertexBuffer` will use compression level 2 by default, but using `meshopt_encodeVertexBufferLevel` allows to improve compression in certain cases by using level 3, or to reduce compression ratio and improve encoding speed by using level 1. Note that v1 format requires meshoptimizer v0.23 or later for decoding.
 
-When data is bit packed, using v1 vertex codec (via `meshopt_encodeVertexVersion(1)`) and specifying compression level 3 (`meshopt_encodeVertexBufferLevel`) can improve the compression further by redistributing bits between components.
-
 Index buffer codec only supports triangle list topology; when encoding triangle strips or line lists, use `meshopt_encodeIndexSequence`/`meshopt_decodeIndexSequence` instead. This codec typically encodes indices into ~1 byte per index, but compressing the results further with a general purpose compressor can improve the results to 1-3 bits per index.
 
 The following guarantees on data compatibility are provided for point releases (*no* guarantees are given for development branch):

From 331f1cebfa08bfcb06521ea587336a870a04955a Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Fri, 24 Jan 2025 08:25:33 -0800
Subject: [PATCH 580/581] demo: Allow using METIS only for clusterization

To make it easier to test different algorithms in isolation, METIS
envvar is now a bitmask, where 1 enables partitioning and 2 enables
clustering, so METIS=3 enables both.
---
 demo/nanite.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/demo/nanite.cpp b/demo/nanite.cpp
index 8ceb500132..ef8a4c6f4a 100644
--- a/demo/nanite.cpp
+++ b/demo/nanite.cpp
@@ -232,7 +232,7 @@ static std::vector<Cluster> clusterizeMetis(const std::vector<Vertex>& vertices,
 
 static std::vector<Cluster> clusterize(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
 {
-	if (METIS >= 2)
+	if (METIS & 2)
 		return clusterizeMetis(vertices, indices);
 
 	const size_t max_vertices = 192; // TODO: depends on kClusterSize, also may want to dial down for mesh shaders
@@ -346,7 +346,7 @@ static std::vector<std::vector<int> > partitionMetis(const std::vector<Cluster>&
 
 static std::vector<std::vector<int> > partition(const std::vector<Cluster>& clusters, const std::vector<int>& pending, const std::vector<unsigned int>& remap)
 {
-	if (METIS >= 1)
+	if (METIS & 1)
 		return partitionMetis(clusters, pending, remap);
 
 	(void)remap;
@@ -515,7 +515,7 @@ void nanite(const std::vector<Vertex>& vertices, const std::vector<unsigned int>
 	if (METIS)
 	{
 		if (loadMetis())
-			printf("using metis for %s\n", METIS >= 2 ? "clustering and partition" : "partition only");
+			printf("using metis for %s\n", (METIS & 3) == 3 ? "clustering and partition" : ((METIS & 1) ? "partition only" : "clustering only"));
 		else
 			printf("metis library is not available\n"), METIS = 0;
 	}

From e184154cb7618affccce205cf6381ffdf01e29a0 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Wed, 5 Feb 2025 12:14:01 -0800
Subject: [PATCH 581/581] Make meshopt_quantizeHalf/Float extern "C"

meshopt_quantizeHalf/Float were initially inline C++ functions but were
later converted to proper functions in quantization.cpp; however, they
were still in the "inline C++" block that was not under extern "C". This
makes it harder to access these functions via FFI, so this change moves
them into extern "C" block which changes the function mangling to C.

meshopt_quantizeUnorm/Snorm remain inline; this is necessary both for
performance, as inlining them with a constant N produces much more
efficient code, and because they are used in some meshopt algorithm
implementations, and by convention every translation unit in
meshoptimizer library must be self-contained for ease of compilation.
---
 src/meshoptimizer.h | 44 ++++++++++++++++++++++----------------------
 1 file changed, 22 insertions(+), 22 deletions(-)

diff --git a/src/meshoptimizer.h b/src/meshoptimizer.h
index 3056d9c390..baeba15220 100644
--- a/src/meshoptimizer.h
+++ b/src/meshoptimizer.h
@@ -608,6 +608,27 @@ MESHOPTIMIZER_API void meshopt_spatialSortRemap(unsigned int* destination, const
  */
 MESHOPTIMIZER_EXPERIMENTAL void meshopt_spatialSortTriangles(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride);
 
+/**
+ * Quantize a float into half-precision (as defined by IEEE-754 fp16) floating point value
+ * Generates +-inf for overflow, preserves NaN, flushes denormals to zero, rounds to nearest
+ * Representable magnitude range: [6e-5; 65504]
+ * Maximum relative reconstruction error: 5e-4
+ */
+MESHOPTIMIZER_API unsigned short meshopt_quantizeHalf(float v);
+
+/**
+ * Quantize a float into a floating point value with a limited number of significant mantissa bits, preserving the IEEE-754 fp32 binary representation
+ * Generates +-inf for overflow, preserves NaN, flushes denormals to zero, rounds to nearest
+ * Assumes N is in a valid mantissa precision range, which is 1..23
+ */
+MESHOPTIMIZER_API float meshopt_quantizeFloat(float v, int N);
+
+/**
+ * Reverse quantization of a half-precision (as defined by IEEE-754 fp16) floating point value
+ * Preserves Inf/NaN, flushes denormals to zero
+ */
+MESHOPTIMIZER_API float meshopt_dequantizeHalf(unsigned short h);
+
 /**
  * Set allocation callbacks
  * These callbacks will be used instead of the default operator new/operator delete for all temporary allocations in the library.
@@ -620,7 +641,7 @@ MESHOPTIMIZER_API void meshopt_setAllocator(void* (MESHOPTIMIZER_ALLOC_CALLCONV*
 } /* extern "C" */
 #endif
 
-/* Quantization into commonly supported data formats */
+/* Quantization into fixed point normalized formats; these are only available as inline C++ functions */
 #ifdef __cplusplus
 /**
  * Quantize a float in [0..1] range into an N-bit fixed point unorm value
@@ -635,27 +656,6 @@ inline int meshopt_quantizeUnorm(float v, int N);
  * Maximum reconstruction error: 1/2^N
  */
 inline int meshopt_quantizeSnorm(float v, int N);
-
-/**
- * Quantize a float into half-precision (as defined by IEEE-754 fp16) floating point value
- * Generates +-inf for overflow, preserves NaN, flushes denormals to zero, rounds to nearest
- * Representable magnitude range: [6e-5; 65504]
- * Maximum relative reconstruction error: 5e-4
- */
-MESHOPTIMIZER_API unsigned short meshopt_quantizeHalf(float v);
-
-/**
- * Quantize a float into a floating point value with a limited number of significant mantissa bits, preserving the IEEE-754 fp32 binary representation
- * Generates +-inf for overflow, preserves NaN, flushes denormals to zero, rounds to nearest
- * Assumes N is in a valid mantissa precision range, which is 1..23
- */
-MESHOPTIMIZER_API float meshopt_quantizeFloat(float v, int N);
-
-/**
- * Reverse quantization of a half-precision (as defined by IEEE-754 fp16) floating point value
- * Preserves Inf/NaN, flushes denormals to zero
- */
-MESHOPTIMIZER_API float meshopt_dequantizeHalf(unsigned short h);
 #endif
 
 /**