Use sampler buffers in vertex shaders

ninjanody · Jun 21, 2016 · 1778113 · 1778113
1 parent 8637754
commit 1778113
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Showing 3 changed files with 14 additions and 6 deletions.
diff --git a/rpcs3/Emu/RSX/GL/GLGSRender.cpp b/rpcs3/Emu/RSX/GL/GLGSRender.cpp
@@ -582,7 +582,7 @@ bool GLGSRender::load_program()
 
 	glBindBufferRange(GL_UNIFORM_BUFFER, 0, m_uniform_ring_buffer->get_buffer().id(), scale_offset_offset, 512);
 	glBindBufferRange(GL_UNIFORM_BUFFER, 1, m_uniform_ring_buffer->get_buffer().id(), vertex_constants_offset, 512 * 16);
-	glBindBufferRange(GL_UNIFORM_BUFFER, 2, m_uniform_ring_buffer->get_buffer().id(), fragment_constants_offset, fragment_constants_sz);
+	//glBindBufferRange(GL_UNIFORM_BUFFER, 2, m_uniform_ring_buffer->get_buffer().id(), fragment_constants_offset, fragment_constants_sz);
 
 	return true;
 }

diff --git a/rpcs3/Emu/RSX/GL/rsx_gl_cache.cpp b/rpcs3/Emu/RSX/GL/rsx_gl_cache.cpp
@@ -7,7 +7,7 @@ rsx::complete_shader glsl_complete_shader(const rsx::decompiled_shader &shader,
 {
 	rsx::complete_shader result;
 	result.decompiled = &shader;
-	result.code = "#version 420\n\n";
+	result.code = "#version 430\n\n";
 
 	if (shader.raw->type == rsx::program_type::vertex)
 	{
@@ -80,6 +80,7 @@ rsx::complete_shader glsl_complete_shader(const rsx::decompiled_shader &shader,
 
 	std::string prepare;
 	std::string finalize;
+	int location = 1;
 
 	switch (shader.raw->type)
 	{
@@ -244,10 +245,12 @@ rsx::complete_shader glsl_complete_shader(const rsx::decompiled_shader &shader,
 	case rsx::program_type::vertex:
 
 		result.code += "out vec4 wpos;\n";
-
+
+		// TODO
 		if (1)
 		{
 			finalize += "\tgl_Position = o0;\n";
+			finalize += "\tgl_Position = gl_Position * viewport_matrix;\n";
 		}
 		else
 		{
@@ -261,7 +264,12 @@ rsx::complete_shader glsl_complete_shader(const rsx::decompiled_shader &shader,
 		{
 			if (shader.input_attributes & (1 << index))
 			{
-				result.code += "in vec4 " + rsx::vertex_program::input_attrib_names[index] + ";\n";
+				// result.code += "in vec4 " + rsx::vertex_program::input_attrib_names[index] + ";\n";
+
+				// TODO: use actual information about vertex inputs
+				result.code += "layout(location=" + std::to_string(location++) + ") uniform samplerBuffer " + rsx::vertex_program::input_attrib_names[index] + "_buffer" + ";\n";
+				result.code += "vec4 " + rsx::vertex_program::input_attrib_names[index]
+					+ " = texelFetch(" + rsx::vertex_program::input_attrib_names[index] + "_buffer, gl_VertexID).rgba;\n";
 			}
 		}
 

diff --git a/rpcs3/Emu/RSX/GL/vertex_buffer.cpp b/rpcs3/Emu/RSX/GL/vertex_buffer.cpp
@@ -235,7 +235,7 @@ u32 GLGSRender::set_vertex_buffer()
 			auto &vertex_info = vertex_arrays_info[index];
 
 			int location;
-			if (!m_program->attribs.has_location(rsx::vertex_program::input_attrib_names[index], &location))
+			if (!m_program->uniforms.has_location(rsx::vertex_program::input_attrib_names[index] + "_buffer", &location))
 				continue;
 
 			if (!vertex_info.size) // disabled, bind a null sampler
@@ -303,7 +303,7 @@ u32 GLGSRender::set_vertex_buffer()
 		for (int index = 0; index < rsx::limits::vertex_count; ++index)
 		{
 			int location;
-			if (!m_program->attribs.has_location(rsx::vertex_program::input_attrib_names[index], &location))
+			if (!m_program->uniforms.has_location(rsx::vertex_program::input_attrib_names[index] + "_buffer", &location))
 				continue;
 
 			bool enabled = !!(input_mask & (1 << index));