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rendering_device.h
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/**************************************************************************/
/* rendering_device.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef RENDERING_DEVICE_H
#define RENDERING_DEVICE_H
#include "core/object/class_db.h"
#include "core/variant/typed_array.h"
#include "servers/display_server.h"
class RDTextureFormat;
class RDTextureView;
class RDAttachmentFormat;
class RDSamplerState;
class RDVertexAttribute;
class RDShaderSource;
class RDShaderSPIRV;
class RDUniform;
class RDPipelineRasterizationState;
class RDPipelineMultisampleState;
class RDPipelineDepthStencilState;
class RDPipelineColorBlendState;
class RDFramebufferPass;
class RDPipelineSpecializationConstant;
class RenderingDevice : public Object {
GDCLASS(RenderingDevice, Object)
public:
enum DeviceFamily {
DEVICE_UNKNOWN,
DEVICE_OPENGL,
DEVICE_VULKAN,
DEVICE_DIRECTX
};
// This enum matches VkPhysicalDeviceType (except for `DEVICE_TYPE_MAX`).
// Unlike VkPhysicalDeviceType, DeviceType is exposed to the scripting API.
enum DeviceType {
DEVICE_TYPE_OTHER,
DEVICE_TYPE_INTEGRATED_GPU,
DEVICE_TYPE_DISCRETE_GPU,
DEVICE_TYPE_VIRTUAL_GPU,
DEVICE_TYPE_CPU,
DEVICE_TYPE_MAX,
};
enum DriverResource {
DRIVER_RESOURCE_VULKAN_DEVICE = 0,
DRIVER_RESOURCE_VULKAN_PHYSICAL_DEVICE,
DRIVER_RESOURCE_VULKAN_INSTANCE,
DRIVER_RESOURCE_VULKAN_QUEUE,
DRIVER_RESOURCE_VULKAN_QUEUE_FAMILY_INDEX,
DRIVER_RESOURCE_VULKAN_IMAGE,
DRIVER_RESOURCE_VULKAN_IMAGE_VIEW,
DRIVER_RESOURCE_VULKAN_IMAGE_NATIVE_TEXTURE_FORMAT,
DRIVER_RESOURCE_VULKAN_SAMPLER,
DRIVER_RESOURCE_VULKAN_DESCRIPTOR_SET,
DRIVER_RESOURCE_VULKAN_BUFFER,
DRIVER_RESOURCE_VULKAN_COMPUTE_PIPELINE,
DRIVER_RESOURCE_VULKAN_RENDER_PIPELINE,
//next driver continue enum from 1000 to keep order
};
enum ShaderStage {
SHADER_STAGE_VERTEX,
SHADER_STAGE_FRAGMENT,
SHADER_STAGE_TESSELATION_CONTROL,
SHADER_STAGE_TESSELATION_EVALUATION,
SHADER_STAGE_COMPUTE,
SHADER_STAGE_MAX,
SHADER_STAGE_VERTEX_BIT = (1 << SHADER_STAGE_VERTEX),
SHADER_STAGE_FRAGMENT_BIT = (1 << SHADER_STAGE_FRAGMENT),
SHADER_STAGE_TESSELATION_CONTROL_BIT = (1 << SHADER_STAGE_TESSELATION_CONTROL),
SHADER_STAGE_TESSELATION_EVALUATION_BIT = (1 << SHADER_STAGE_TESSELATION_EVALUATION),
SHADER_STAGE_COMPUTE_BIT = (1 << SHADER_STAGE_COMPUTE),
};
enum ShaderLanguage {
SHADER_LANGUAGE_GLSL,
SHADER_LANGUAGE_HLSL
};
enum SubgroupOperations {
SUBGROUP_BASIC_BIT = 1,
SUBGROUP_VOTE_BIT = 2,
SUBGROUP_ARITHMETIC_BIT = 4,
SUBGROUP_BALLOT_BIT = 8,
SUBGROUP_SHUFFLE_BIT = 16,
SUBGROUP_SHUFFLE_RELATIVE_BIT = 32,
SUBGROUP_CLUSTERED_BIT = 64,
SUBGROUP_QUAD_BIT = 128,
};
struct Capabilities {
// main device info
DeviceFamily device_family = DEVICE_UNKNOWN;
uint32_t version_major = 1.0;
uint32_t version_minor = 0.0;
};
typedef String (*ShaderSPIRVGetCacheKeyFunction)(const RenderingDevice *p_render_device);
typedef Vector<uint8_t> (*ShaderCompileToSPIRVFunction)(ShaderStage p_stage, const String &p_source_code, ShaderLanguage p_language, String *r_error, const RenderingDevice *p_render_device);
typedef Vector<uint8_t> (*ShaderCacheFunction)(ShaderStage p_stage, const String &p_source_code, ShaderLanguage p_language);
typedef void (*InvalidationCallback)(void *);
private:
static ShaderCompileToSPIRVFunction compile_to_spirv_function;
static ShaderCacheFunction cache_function;
static ShaderSPIRVGetCacheKeyFunction get_spirv_cache_key_function;
static RenderingDevice *singleton;
protected:
static void _bind_methods();
Capabilities device_capabilities;
public:
//base numeric ID for all types
enum {
INVALID_ID = -1,
INVALID_FORMAT_ID = -1
};
/*****************/
/**** GENERIC ****/
/*****************/
enum CompareOperator {
COMPARE_OP_NEVER,
COMPARE_OP_LESS,
COMPARE_OP_EQUAL,
COMPARE_OP_LESS_OR_EQUAL,
COMPARE_OP_GREATER,
COMPARE_OP_NOT_EQUAL,
COMPARE_OP_GREATER_OR_EQUAL,
COMPARE_OP_ALWAYS,
COMPARE_OP_MAX //not an actual operator, just the amount of operators :D
};
enum DataFormat {
DATA_FORMAT_R4G4_UNORM_PACK8,
DATA_FORMAT_R4G4B4A4_UNORM_PACK16,
DATA_FORMAT_B4G4R4A4_UNORM_PACK16,
DATA_FORMAT_R5G6B5_UNORM_PACK16,
DATA_FORMAT_B5G6R5_UNORM_PACK16,
DATA_FORMAT_R5G5B5A1_UNORM_PACK16,
DATA_FORMAT_B5G5R5A1_UNORM_PACK16,
DATA_FORMAT_A1R5G5B5_UNORM_PACK16,
DATA_FORMAT_R8_UNORM,
DATA_FORMAT_R8_SNORM,
DATA_FORMAT_R8_USCALED,
DATA_FORMAT_R8_SSCALED,
DATA_FORMAT_R8_UINT,
DATA_FORMAT_R8_SINT,
DATA_FORMAT_R8_SRGB,
DATA_FORMAT_R8G8_UNORM,
DATA_FORMAT_R8G8_SNORM,
DATA_FORMAT_R8G8_USCALED,
DATA_FORMAT_R8G8_SSCALED,
DATA_FORMAT_R8G8_UINT,
DATA_FORMAT_R8G8_SINT,
DATA_FORMAT_R8G8_SRGB,
DATA_FORMAT_R8G8B8_UNORM,
DATA_FORMAT_R8G8B8_SNORM,
DATA_FORMAT_R8G8B8_USCALED,
DATA_FORMAT_R8G8B8_SSCALED,
DATA_FORMAT_R8G8B8_UINT,
DATA_FORMAT_R8G8B8_SINT,
DATA_FORMAT_R8G8B8_SRGB,
DATA_FORMAT_B8G8R8_UNORM,
DATA_FORMAT_B8G8R8_SNORM,
DATA_FORMAT_B8G8R8_USCALED,
DATA_FORMAT_B8G8R8_SSCALED,
DATA_FORMAT_B8G8R8_UINT,
DATA_FORMAT_B8G8R8_SINT,
DATA_FORMAT_B8G8R8_SRGB,
DATA_FORMAT_R8G8B8A8_UNORM,
DATA_FORMAT_R8G8B8A8_SNORM,
DATA_FORMAT_R8G8B8A8_USCALED,
DATA_FORMAT_R8G8B8A8_SSCALED,
DATA_FORMAT_R8G8B8A8_UINT,
DATA_FORMAT_R8G8B8A8_SINT,
DATA_FORMAT_R8G8B8A8_SRGB,
DATA_FORMAT_B8G8R8A8_UNORM,
DATA_FORMAT_B8G8R8A8_SNORM,
DATA_FORMAT_B8G8R8A8_USCALED,
DATA_FORMAT_B8G8R8A8_SSCALED,
DATA_FORMAT_B8G8R8A8_UINT,
DATA_FORMAT_B8G8R8A8_SINT,
DATA_FORMAT_B8G8R8A8_SRGB,
DATA_FORMAT_A8B8G8R8_UNORM_PACK32,
DATA_FORMAT_A8B8G8R8_SNORM_PACK32,
DATA_FORMAT_A8B8G8R8_USCALED_PACK32,
DATA_FORMAT_A8B8G8R8_SSCALED_PACK32,
DATA_FORMAT_A8B8G8R8_UINT_PACK32,
DATA_FORMAT_A8B8G8R8_SINT_PACK32,
DATA_FORMAT_A8B8G8R8_SRGB_PACK32,
DATA_FORMAT_A2R10G10B10_UNORM_PACK32,
DATA_FORMAT_A2R10G10B10_SNORM_PACK32,
DATA_FORMAT_A2R10G10B10_USCALED_PACK32,
DATA_FORMAT_A2R10G10B10_SSCALED_PACK32,
DATA_FORMAT_A2R10G10B10_UINT_PACK32,
DATA_FORMAT_A2R10G10B10_SINT_PACK32,
DATA_FORMAT_A2B10G10R10_UNORM_PACK32,
DATA_FORMAT_A2B10G10R10_SNORM_PACK32,
DATA_FORMAT_A2B10G10R10_USCALED_PACK32,
DATA_FORMAT_A2B10G10R10_SSCALED_PACK32,
DATA_FORMAT_A2B10G10R10_UINT_PACK32,
DATA_FORMAT_A2B10G10R10_SINT_PACK32,
DATA_FORMAT_R16_UNORM,
DATA_FORMAT_R16_SNORM,
DATA_FORMAT_R16_USCALED,
DATA_FORMAT_R16_SSCALED,
DATA_FORMAT_R16_UINT,
DATA_FORMAT_R16_SINT,
DATA_FORMAT_R16_SFLOAT,
DATA_FORMAT_R16G16_UNORM,
DATA_FORMAT_R16G16_SNORM,
DATA_FORMAT_R16G16_USCALED,
DATA_FORMAT_R16G16_SSCALED,
DATA_FORMAT_R16G16_UINT,
DATA_FORMAT_R16G16_SINT,
DATA_FORMAT_R16G16_SFLOAT,
DATA_FORMAT_R16G16B16_UNORM,
DATA_FORMAT_R16G16B16_SNORM,
DATA_FORMAT_R16G16B16_USCALED,
DATA_FORMAT_R16G16B16_SSCALED,
DATA_FORMAT_R16G16B16_UINT,
DATA_FORMAT_R16G16B16_SINT,
DATA_FORMAT_R16G16B16_SFLOAT,
DATA_FORMAT_R16G16B16A16_UNORM,
DATA_FORMAT_R16G16B16A16_SNORM,
DATA_FORMAT_R16G16B16A16_USCALED,
DATA_FORMAT_R16G16B16A16_SSCALED,
DATA_FORMAT_R16G16B16A16_UINT,
DATA_FORMAT_R16G16B16A16_SINT,
DATA_FORMAT_R16G16B16A16_SFLOAT,
DATA_FORMAT_R32_UINT,
DATA_FORMAT_R32_SINT,
DATA_FORMAT_R32_SFLOAT,
DATA_FORMAT_R32G32_UINT,
DATA_FORMAT_R32G32_SINT,
DATA_FORMAT_R32G32_SFLOAT,
DATA_FORMAT_R32G32B32_UINT,
DATA_FORMAT_R32G32B32_SINT,
DATA_FORMAT_R32G32B32_SFLOAT,
DATA_FORMAT_R32G32B32A32_UINT,
DATA_FORMAT_R32G32B32A32_SINT,
DATA_FORMAT_R32G32B32A32_SFLOAT,
DATA_FORMAT_R64_UINT,
DATA_FORMAT_R64_SINT,
DATA_FORMAT_R64_SFLOAT,
DATA_FORMAT_R64G64_UINT,
DATA_FORMAT_R64G64_SINT,
DATA_FORMAT_R64G64_SFLOAT,
DATA_FORMAT_R64G64B64_UINT,
DATA_FORMAT_R64G64B64_SINT,
DATA_FORMAT_R64G64B64_SFLOAT,
DATA_FORMAT_R64G64B64A64_UINT,
DATA_FORMAT_R64G64B64A64_SINT,
DATA_FORMAT_R64G64B64A64_SFLOAT,
DATA_FORMAT_B10G11R11_UFLOAT_PACK32,
DATA_FORMAT_E5B9G9R9_UFLOAT_PACK32,
DATA_FORMAT_D16_UNORM,
DATA_FORMAT_X8_D24_UNORM_PACK32,
DATA_FORMAT_D32_SFLOAT,
DATA_FORMAT_S8_UINT,
DATA_FORMAT_D16_UNORM_S8_UINT,
DATA_FORMAT_D24_UNORM_S8_UINT,
DATA_FORMAT_D32_SFLOAT_S8_UINT,
DATA_FORMAT_BC1_RGB_UNORM_BLOCK,
DATA_FORMAT_BC1_RGB_SRGB_BLOCK,
DATA_FORMAT_BC1_RGBA_UNORM_BLOCK,
DATA_FORMAT_BC1_RGBA_SRGB_BLOCK,
DATA_FORMAT_BC2_UNORM_BLOCK,
DATA_FORMAT_BC2_SRGB_BLOCK,
DATA_FORMAT_BC3_UNORM_BLOCK,
DATA_FORMAT_BC3_SRGB_BLOCK,
DATA_FORMAT_BC4_UNORM_BLOCK,
DATA_FORMAT_BC4_SNORM_BLOCK,
DATA_FORMAT_BC5_UNORM_BLOCK,
DATA_FORMAT_BC5_SNORM_BLOCK,
DATA_FORMAT_BC6H_UFLOAT_BLOCK,
DATA_FORMAT_BC6H_SFLOAT_BLOCK,
DATA_FORMAT_BC7_UNORM_BLOCK,
DATA_FORMAT_BC7_SRGB_BLOCK,
DATA_FORMAT_ETC2_R8G8B8_UNORM_BLOCK,
DATA_FORMAT_ETC2_R8G8B8_SRGB_BLOCK,
DATA_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK,
DATA_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK,
DATA_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK,
DATA_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK,
DATA_FORMAT_EAC_R11_UNORM_BLOCK,
DATA_FORMAT_EAC_R11_SNORM_BLOCK,
DATA_FORMAT_EAC_R11G11_UNORM_BLOCK,
DATA_FORMAT_EAC_R11G11_SNORM_BLOCK,
DATA_FORMAT_ASTC_4x4_UNORM_BLOCK,
DATA_FORMAT_ASTC_4x4_SRGB_BLOCK,
DATA_FORMAT_ASTC_5x4_UNORM_BLOCK,
DATA_FORMAT_ASTC_5x4_SRGB_BLOCK,
DATA_FORMAT_ASTC_5x5_UNORM_BLOCK,
DATA_FORMAT_ASTC_5x5_SRGB_BLOCK,
DATA_FORMAT_ASTC_6x5_UNORM_BLOCK,
DATA_FORMAT_ASTC_6x5_SRGB_BLOCK,
DATA_FORMAT_ASTC_6x6_UNORM_BLOCK,
DATA_FORMAT_ASTC_6x6_SRGB_BLOCK,
DATA_FORMAT_ASTC_8x5_UNORM_BLOCK,
DATA_FORMAT_ASTC_8x5_SRGB_BLOCK,
DATA_FORMAT_ASTC_8x6_UNORM_BLOCK,
DATA_FORMAT_ASTC_8x6_SRGB_BLOCK,
DATA_FORMAT_ASTC_8x8_UNORM_BLOCK,
DATA_FORMAT_ASTC_8x8_SRGB_BLOCK,
DATA_FORMAT_ASTC_10x5_UNORM_BLOCK,
DATA_FORMAT_ASTC_10x5_SRGB_BLOCK,
DATA_FORMAT_ASTC_10x6_UNORM_BLOCK,
DATA_FORMAT_ASTC_10x6_SRGB_BLOCK,
DATA_FORMAT_ASTC_10x8_UNORM_BLOCK,
DATA_FORMAT_ASTC_10x8_SRGB_BLOCK,
DATA_FORMAT_ASTC_10x10_UNORM_BLOCK,
DATA_FORMAT_ASTC_10x10_SRGB_BLOCK,
DATA_FORMAT_ASTC_12x10_UNORM_BLOCK,
DATA_FORMAT_ASTC_12x10_SRGB_BLOCK,
DATA_FORMAT_ASTC_12x12_UNORM_BLOCK,
DATA_FORMAT_ASTC_12x12_SRGB_BLOCK,
DATA_FORMAT_G8B8G8R8_422_UNORM,
DATA_FORMAT_B8G8R8G8_422_UNORM,
DATA_FORMAT_G8_B8_R8_3PLANE_420_UNORM,
DATA_FORMAT_G8_B8R8_2PLANE_420_UNORM,
DATA_FORMAT_G8_B8_R8_3PLANE_422_UNORM,
DATA_FORMAT_G8_B8R8_2PLANE_422_UNORM,
DATA_FORMAT_G8_B8_R8_3PLANE_444_UNORM,
DATA_FORMAT_R10X6_UNORM_PACK16,
DATA_FORMAT_R10X6G10X6_UNORM_2PACK16,
DATA_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16,
DATA_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16,
DATA_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16,
DATA_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16,
DATA_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16,
DATA_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16,
DATA_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16,
DATA_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16,
DATA_FORMAT_R12X4_UNORM_PACK16,
DATA_FORMAT_R12X4G12X4_UNORM_2PACK16,
DATA_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16,
DATA_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16,
DATA_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16,
DATA_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16,
DATA_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16,
DATA_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16,
DATA_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16,
DATA_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16,
DATA_FORMAT_G16B16G16R16_422_UNORM,
DATA_FORMAT_B16G16R16G16_422_UNORM,
DATA_FORMAT_G16_B16_R16_3PLANE_420_UNORM,
DATA_FORMAT_G16_B16R16_2PLANE_420_UNORM,
DATA_FORMAT_G16_B16_R16_3PLANE_422_UNORM,
DATA_FORMAT_G16_B16R16_2PLANE_422_UNORM,
DATA_FORMAT_G16_B16_R16_3PLANE_444_UNORM,
DATA_FORMAT_MAX
};
/*****************/
/**** BARRIER ****/
/*****************/
enum BarrierMask {
BARRIER_MASK_RASTER = 1,
BARRIER_MASK_COMPUTE = 2,
BARRIER_MASK_TRANSFER = 4,
BARRIER_MASK_ALL_BARRIERS = BARRIER_MASK_RASTER | BARRIER_MASK_COMPUTE | BARRIER_MASK_TRANSFER, // 7
BARRIER_MASK_NO_BARRIER = 8,
};
/*****************/
/**** TEXTURE ****/
/*****************/
enum TextureType {
TEXTURE_TYPE_1D,
TEXTURE_TYPE_2D,
TEXTURE_TYPE_3D,
TEXTURE_TYPE_CUBE,
TEXTURE_TYPE_1D_ARRAY,
TEXTURE_TYPE_2D_ARRAY,
TEXTURE_TYPE_CUBE_ARRAY,
TEXTURE_TYPE_MAX
};
enum TextureSamples {
TEXTURE_SAMPLES_1,
TEXTURE_SAMPLES_2,
TEXTURE_SAMPLES_4,
TEXTURE_SAMPLES_8,
TEXTURE_SAMPLES_16,
TEXTURE_SAMPLES_32,
TEXTURE_SAMPLES_64,
TEXTURE_SAMPLES_MAX
};
enum TextureUsageBits {
TEXTURE_USAGE_SAMPLING_BIT = (1 << 0),
TEXTURE_USAGE_COLOR_ATTACHMENT_BIT = (1 << 1),
TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT = (1 << 2),
TEXTURE_USAGE_STORAGE_BIT = (1 << 3),
TEXTURE_USAGE_STORAGE_ATOMIC_BIT = (1 << 4),
TEXTURE_USAGE_CPU_READ_BIT = (1 << 5),
TEXTURE_USAGE_CAN_UPDATE_BIT = (1 << 6),
TEXTURE_USAGE_CAN_COPY_FROM_BIT = (1 << 7),
TEXTURE_USAGE_CAN_COPY_TO_BIT = (1 << 8),
TEXTURE_USAGE_INPUT_ATTACHMENT_BIT = (1 << 9),
TEXTURE_USAGE_VRS_ATTACHMENT_BIT = (1 << 10),
};
enum TextureSwizzle {
TEXTURE_SWIZZLE_IDENTITY,
TEXTURE_SWIZZLE_ZERO,
TEXTURE_SWIZZLE_ONE,
TEXTURE_SWIZZLE_R,
TEXTURE_SWIZZLE_G,
TEXTURE_SWIZZLE_B,
TEXTURE_SWIZZLE_A,
TEXTURE_SWIZZLE_MAX
};
struct TextureFormat {
DataFormat format;
uint32_t width;
uint32_t height;
uint32_t depth;
uint32_t array_layers;
uint32_t mipmaps;
TextureType texture_type;
TextureSamples samples;
uint32_t usage_bits;
Vector<DataFormat> shareable_formats;
bool is_resolve_buffer = false;
bool operator==(const TextureFormat &b) const {
if (format != b.format) {
return false;
} else if (width != b.width) {
return false;
} else if (height != b.height) {
return false;
} else if (depth != b.depth) {
return false;
} else if (array_layers != b.array_layers) {
return false;
} else if (mipmaps != b.mipmaps) {
return false;
} else if (texture_type != b.texture_type) {
return false;
} else if (samples != b.samples) {
return false;
} else if (usage_bits != b.usage_bits) {
return false;
} else if (shareable_formats != b.shareable_formats) {
return false;
} else {
return true;
}
}
TextureFormat() {
format = DATA_FORMAT_R8_UNORM;
width = 1;
height = 1;
depth = 1;
array_layers = 1;
mipmaps = 1;
texture_type = TEXTURE_TYPE_2D;
samples = TEXTURE_SAMPLES_1;
usage_bits = 0;
}
};
struct TextureView {
DataFormat format_override;
TextureSwizzle swizzle_r;
TextureSwizzle swizzle_g;
TextureSwizzle swizzle_b;
TextureSwizzle swizzle_a;
TextureView() {
format_override = DATA_FORMAT_MAX; //means, use same as format
swizzle_r = TEXTURE_SWIZZLE_R;
swizzle_g = TEXTURE_SWIZZLE_G;
swizzle_b = TEXTURE_SWIZZLE_B;
swizzle_a = TEXTURE_SWIZZLE_A;
}
};
virtual RID texture_create(const TextureFormat &p_format, const TextureView &p_view, const Vector<Vector<uint8_t>> &p_data = Vector<Vector<uint8_t>>()) = 0;
virtual RID texture_create_shared(const TextureView &p_view, RID p_with_texture) = 0;
virtual RID texture_create_from_extension(TextureType p_type, DataFormat p_format, TextureSamples p_samples, uint64_t p_flags, uint64_t p_image, uint64_t p_width, uint64_t p_height, uint64_t p_depth, uint64_t p_layers) = 0;
enum TextureSliceType {
TEXTURE_SLICE_2D,
TEXTURE_SLICE_CUBEMAP,
TEXTURE_SLICE_3D,
TEXTURE_SLICE_2D_ARRAY,
};
virtual RID texture_create_shared_from_slice(const TextureView &p_view, RID p_with_texture, uint32_t p_layer, uint32_t p_mipmap, uint32_t p_mipmaps = 1, TextureSliceType p_slice_type = TEXTURE_SLICE_2D, uint32_t p_layers = 0) = 0;
virtual Error texture_update(RID p_texture, uint32_t p_layer, const Vector<uint8_t> &p_data, BitField<BarrierMask> p_post_barrier = BARRIER_MASK_ALL_BARRIERS) = 0;
virtual Vector<uint8_t> texture_get_data(RID p_texture, uint32_t p_layer) = 0; // CPU textures will return immediately, while GPU textures will most likely force a flush
virtual bool texture_is_format_supported_for_usage(DataFormat p_format, BitField<RenderingDevice::TextureUsageBits> p_usage) const = 0;
virtual bool texture_is_shared(RID p_texture) = 0;
virtual bool texture_is_valid(RID p_texture) = 0;
virtual Size2i texture_size(RID p_texture) = 0;
virtual Error texture_copy(RID p_from_texture, RID p_to_texture, const Vector3 &p_from, const Vector3 &p_to, const Vector3 &p_size, uint32_t p_src_mipmap, uint32_t p_dst_mipmap, uint32_t p_src_layer, uint32_t p_dst_layer, BitField<BarrierMask> p_post_barrier = BARRIER_MASK_ALL_BARRIERS) = 0;
virtual Error texture_clear(RID p_texture, const Color &p_color, uint32_t p_base_mipmap, uint32_t p_mipmaps, uint32_t p_base_layer, uint32_t p_layers, BitField<BarrierMask> p_post_barrier = BARRIER_MASK_ALL_BARRIERS) = 0;
virtual Error texture_resolve_multisample(RID p_from_texture, RID p_to_texture, BitField<BarrierMask> p_post_barrier = BARRIER_MASK_ALL_BARRIERS) = 0;
/*********************/
/**** FRAMEBUFFER ****/
/*********************/
struct AttachmentFormat {
enum { UNUSED_ATTACHMENT = 0xFFFFFFFF };
DataFormat format;
TextureSamples samples;
uint32_t usage_flags;
AttachmentFormat() {
format = DATA_FORMAT_R8G8B8A8_UNORM;
samples = TEXTURE_SAMPLES_1;
usage_flags = 0;
}
};
typedef int64_t FramebufferFormatID;
// This ID is warranted to be unique for the same formats, does not need to be freed
virtual FramebufferFormatID framebuffer_format_create(const Vector<AttachmentFormat> &p_format, uint32_t p_view_count = 1) = 0;
struct FramebufferPass {
enum {
ATTACHMENT_UNUSED = -1
};
Vector<int32_t> color_attachments;
Vector<int32_t> input_attachments;
Vector<int32_t> resolve_attachments;
Vector<int32_t> preserve_attachments;
int32_t depth_attachment = ATTACHMENT_UNUSED;
int32_t vrs_attachment = ATTACHMENT_UNUSED; // density map for VRS, only used if supported
};
virtual FramebufferFormatID framebuffer_format_create_multipass(const Vector<AttachmentFormat> &p_attachments, const Vector<FramebufferPass> &p_passes, uint32_t p_view_count = 1) = 0;
virtual FramebufferFormatID framebuffer_format_create_empty(TextureSamples p_samples = TEXTURE_SAMPLES_1) = 0;
virtual TextureSamples framebuffer_format_get_texture_samples(FramebufferFormatID p_format, uint32_t p_pass = 0) = 0;
virtual RID framebuffer_create(const Vector<RID> &p_texture_attachments, FramebufferFormatID p_format_check = INVALID_ID, uint32_t p_view_count = 1) = 0;
virtual RID framebuffer_create_multipass(const Vector<RID> &p_texture_attachments, const Vector<FramebufferPass> &p_passes, FramebufferFormatID p_format_check = INVALID_ID, uint32_t p_view_count = 1) = 0;
virtual RID framebuffer_create_empty(const Size2i &p_size, TextureSamples p_samples = TEXTURE_SAMPLES_1, FramebufferFormatID p_format_check = INVALID_ID) = 0;
virtual bool framebuffer_is_valid(RID p_framebuffer) const = 0;
virtual void framebuffer_set_invalidation_callback(RID p_framebuffer, InvalidationCallback p_callback, void *p_userdata) = 0;
virtual FramebufferFormatID framebuffer_get_format(RID p_framebuffer) = 0;
/*****************/
/**** SAMPLER ****/
/*****************/
enum SamplerFilter {
SAMPLER_FILTER_NEAREST,
SAMPLER_FILTER_LINEAR,
};
enum SamplerRepeatMode {
SAMPLER_REPEAT_MODE_REPEAT,
SAMPLER_REPEAT_MODE_MIRRORED_REPEAT,
SAMPLER_REPEAT_MODE_CLAMP_TO_EDGE,
SAMPLER_REPEAT_MODE_CLAMP_TO_BORDER,
SAMPLER_REPEAT_MODE_MIRROR_CLAMP_TO_EDGE,
SAMPLER_REPEAT_MODE_MAX
};
enum SamplerBorderColor {
SAMPLER_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK,
SAMPLER_BORDER_COLOR_INT_TRANSPARENT_BLACK,
SAMPLER_BORDER_COLOR_FLOAT_OPAQUE_BLACK,
SAMPLER_BORDER_COLOR_INT_OPAQUE_BLACK,
SAMPLER_BORDER_COLOR_FLOAT_OPAQUE_WHITE,
SAMPLER_BORDER_COLOR_INT_OPAQUE_WHITE,
SAMPLER_BORDER_COLOR_MAX
};
struct SamplerState {
SamplerFilter mag_filter;
SamplerFilter min_filter;
SamplerFilter mip_filter;
SamplerRepeatMode repeat_u;
SamplerRepeatMode repeat_v;
SamplerRepeatMode repeat_w;
float lod_bias;
bool use_anisotropy;
float anisotropy_max;
bool enable_compare;
CompareOperator compare_op;
float min_lod;
float max_lod;
SamplerBorderColor border_color;
bool unnormalized_uvw;
SamplerState() {
mag_filter = SAMPLER_FILTER_NEAREST;
min_filter = SAMPLER_FILTER_NEAREST;
mip_filter = SAMPLER_FILTER_NEAREST;
repeat_u = SAMPLER_REPEAT_MODE_CLAMP_TO_EDGE;
repeat_v = SAMPLER_REPEAT_MODE_CLAMP_TO_EDGE;
repeat_w = SAMPLER_REPEAT_MODE_CLAMP_TO_EDGE;
lod_bias = 0;
use_anisotropy = false;
anisotropy_max = 1.0;
enable_compare = false;
compare_op = COMPARE_OP_ALWAYS;
min_lod = 0;
max_lod = 1e20; //something very large should do
border_color = SAMPLER_BORDER_COLOR_FLOAT_OPAQUE_BLACK;
unnormalized_uvw = false;
}
};
virtual RID sampler_create(const SamplerState &p_state) = 0;
/**********************/
/**** VERTEX ARRAY ****/
/**********************/
enum VertexFrequency {
VERTEX_FREQUENCY_VERTEX,
VERTEX_FREQUENCY_INSTANCE,
};
struct VertexAttribute {
uint32_t location; //shader location
uint32_t offset;
DataFormat format;
uint32_t stride;
VertexFrequency frequency;
VertexAttribute() {
location = 0;
offset = 0;
stride = 0;
format = DATA_FORMAT_MAX;
frequency = VERTEX_FREQUENCY_VERTEX;
}
};
virtual RID vertex_buffer_create(uint32_t p_size_bytes, const Vector<uint8_t> &p_data = Vector<uint8_t>(), bool p_use_as_storage = false) = 0;
typedef int64_t VertexFormatID;
// This ID is warranted to be unique for the same formats, does not need to be freed
virtual VertexFormatID vertex_format_create(const Vector<VertexAttribute> &p_vertex_formats) = 0;
virtual RID vertex_array_create(uint32_t p_vertex_count, VertexFormatID p_vertex_format, const Vector<RID> &p_src_buffers, const Vector<uint64_t> &p_offsets = Vector<uint64_t>()) = 0;
enum IndexBufferFormat {
INDEX_BUFFER_FORMAT_UINT16,
INDEX_BUFFER_FORMAT_UINT32,
};
virtual RID index_buffer_create(uint32_t p_size_indices, IndexBufferFormat p_format, const Vector<uint8_t> &p_data = Vector<uint8_t>(), bool p_use_restart_indices = false) = 0;
virtual RID index_array_create(RID p_index_buffer, uint32_t p_index_offset, uint32_t p_index_count) = 0;
/****************/
/**** SHADER ****/
/****************/
const Capabilities *get_device_capabilities() const { return &device_capabilities; };
enum Features {
SUPPORTS_MULTIVIEW,
SUPPORTS_FSR_HALF_FLOAT,
SUPPORTS_ATTACHMENT_VRS,
};
virtual bool has_feature(const Features p_feature) const = 0;
virtual Vector<uint8_t> shader_compile_spirv_from_source(ShaderStage p_stage, const String &p_source_code, ShaderLanguage p_language = SHADER_LANGUAGE_GLSL, String *r_error = nullptr, bool p_allow_cache = true);
virtual String shader_get_spirv_cache_key() const;
static void shader_set_compile_to_spirv_function(ShaderCompileToSPIRVFunction p_function);
static void shader_set_spirv_cache_function(ShaderCacheFunction p_function);
static void shader_set_get_cache_key_function(ShaderSPIRVGetCacheKeyFunction p_function);
struct ShaderStageSPIRVData {
ShaderStage shader_stage;
Vector<uint8_t> spir_v;
ShaderStageSPIRVData() {
shader_stage = SHADER_STAGE_VERTEX;
}
};
virtual String shader_get_binary_cache_key() const = 0;
virtual Vector<uint8_t> shader_compile_binary_from_spirv(const Vector<ShaderStageSPIRVData> &p_spirv, const String &p_shader_name = "") = 0;
virtual RID shader_create_from_spirv(const Vector<ShaderStageSPIRVData> &p_spirv, const String &p_shader_name = "");
virtual RID shader_create_from_bytecode(const Vector<uint8_t> &p_shader_binary) = 0;
virtual uint32_t shader_get_vertex_input_attribute_mask(RID p_shader) = 0;
/******************/
/**** UNIFORMS ****/
/******************/
enum UniformType {
UNIFORM_TYPE_SAMPLER, //for sampling only (sampler GLSL type)
UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, // for sampling only, but includes a texture, (samplerXX GLSL type), first a sampler then a texture
UNIFORM_TYPE_TEXTURE, //only texture, (textureXX GLSL type)
UNIFORM_TYPE_IMAGE, // storage image (imageXX GLSL type), for compute mostly
UNIFORM_TYPE_TEXTURE_BUFFER, // buffer texture (or TBO, textureBuffer type)
UNIFORM_TYPE_SAMPLER_WITH_TEXTURE_BUFFER, // buffer texture with a sampler(or TBO, samplerBuffer type)
UNIFORM_TYPE_IMAGE_BUFFER, //texel buffer, (imageBuffer type), for compute mostly
UNIFORM_TYPE_UNIFORM_BUFFER, //regular uniform buffer (or UBO).
UNIFORM_TYPE_STORAGE_BUFFER, //storage buffer ("buffer" qualifier) like UBO, but supports storage, for compute mostly
UNIFORM_TYPE_INPUT_ATTACHMENT, //used for sub-pass read/write, for mobile mostly
UNIFORM_TYPE_MAX
};
enum StorageBufferUsage {
STORAGE_BUFFER_USAGE_DISPATCH_INDIRECT = 1,
};
virtual RID uniform_buffer_create(uint32_t p_size_bytes, const Vector<uint8_t> &p_data = Vector<uint8_t>()) = 0;
virtual RID storage_buffer_create(uint32_t p_size, const Vector<uint8_t> &p_data = Vector<uint8_t>(), BitField<StorageBufferUsage> p_usage = 0) = 0;
virtual RID texture_buffer_create(uint32_t p_size_elements, DataFormat p_format, const Vector<uint8_t> &p_data = Vector<uint8_t>()) = 0;
struct Uniform {
UniformType uniform_type;
int binding; // Binding index as specified in shader.
private:
// In most cases only one ID is provided per binding, so avoid allocating memory unnecessarily for performance.
RID id; // If only one is provided, this is used.
Vector<RID> ids; // If multiple ones are provided, this is used instead.
public:
_FORCE_INLINE_ uint32_t get_id_count() const {
return (id.is_valid() ? 1 : ids.size());
}
_FORCE_INLINE_ RID get_id(uint32_t p_idx) const {
if (id.is_valid()) {
ERR_FAIL_COND_V(p_idx != 0, RID());
return id;
} else {
return ids[p_idx];
}
}
_FORCE_INLINE_ void set_id(uint32_t p_idx, RID p_id) {
if (id.is_valid()) {
ERR_FAIL_COND(p_idx != 0);
id = p_id;
} else {
ids.write[p_idx] = p_id;
}
}
_FORCE_INLINE_ void append_id(RID p_id) {
if (ids.is_empty()) {
if (id == RID()) {
id = p_id;
} else {
ids.push_back(id);
ids.push_back(p_id);
id = RID();
}
} else {
ids.push_back(p_id);
}
}
_FORCE_INLINE_ void clear_ids() {
id = RID();
ids.clear();
}
_FORCE_INLINE_ Uniform(UniformType p_type, int p_binding, RID p_id) {
uniform_type = p_type;
binding = p_binding;
id = p_id;
}
_FORCE_INLINE_ Uniform(UniformType p_type, int p_binding, const Vector<RID> &p_ids) {
uniform_type = p_type;
binding = p_binding;
ids = p_ids;
}
_FORCE_INLINE_ Uniform() {
uniform_type = UNIFORM_TYPE_IMAGE;
binding = 0;
}
};
virtual RID uniform_set_create(const Vector<Uniform> &p_uniforms, RID p_shader, uint32_t p_shader_set) = 0;
virtual bool uniform_set_is_valid(RID p_uniform_set) = 0;
virtual void uniform_set_set_invalidation_callback(RID p_uniform_set, InvalidationCallback p_callback, void *p_userdata) = 0;
virtual Error buffer_update(RID p_buffer, uint32_t p_offset, uint32_t p_size, const void *p_data, BitField<BarrierMask> p_post_barrier = BARRIER_MASK_ALL_BARRIERS) = 0;
virtual Error buffer_clear(RID p_buffer, uint32_t p_offset, uint32_t p_size, BitField<BarrierMask> p_post_barrier = BARRIER_MASK_ALL_BARRIERS) = 0;
virtual Vector<uint8_t> buffer_get_data(RID p_buffer, uint32_t p_offset = 0, uint32_t p_size = 0) = 0; // This causes stall, only use to retrieve large buffers for saving.
/******************************************/
/**** PIPELINE SPECIALIZATION CONSTANT ****/
/******************************************/
enum PipelineSpecializationConstantType {
PIPELINE_SPECIALIZATION_CONSTANT_TYPE_BOOL,
PIPELINE_SPECIALIZATION_CONSTANT_TYPE_INT,
PIPELINE_SPECIALIZATION_CONSTANT_TYPE_FLOAT,
};
struct PipelineSpecializationConstant {
PipelineSpecializationConstantType type;
uint32_t constant_id;
union {
uint32_t int_value;
float float_value;
bool bool_value;
};
PipelineSpecializationConstant() {
type = PIPELINE_SPECIALIZATION_CONSTANT_TYPE_BOOL;
constant_id = 0;
int_value = 0;
}
};
/*************************/
/**** RENDER PIPELINE ****/
/*************************/
enum RenderPrimitive {
RENDER_PRIMITIVE_POINTS,
RENDER_PRIMITIVE_LINES,
RENDER_PRIMITIVE_LINES_WITH_ADJACENCY,
RENDER_PRIMITIVE_LINESTRIPS,
RENDER_PRIMITIVE_LINESTRIPS_WITH_ADJACENCY,
RENDER_PRIMITIVE_TRIANGLES,
RENDER_PRIMITIVE_TRIANGLES_WITH_ADJACENCY,
RENDER_PRIMITIVE_TRIANGLE_STRIPS,
RENDER_PRIMITIVE_TRIANGLE_STRIPS_WITH_AJACENCY,
RENDER_PRIMITIVE_TRIANGLE_STRIPS_WITH_RESTART_INDEX,
RENDER_PRIMITIVE_TESSELATION_PATCH,
RENDER_PRIMITIVE_MAX
};
//disable optimization, tessellate control points
enum PolygonCullMode {
POLYGON_CULL_DISABLED,
POLYGON_CULL_FRONT,
POLYGON_CULL_BACK,
};
enum PolygonFrontFace {
POLYGON_FRONT_FACE_CLOCKWISE,
POLYGON_FRONT_FACE_COUNTER_CLOCKWISE,
};
enum StencilOperation {
STENCIL_OP_KEEP,
STENCIL_OP_ZERO,
STENCIL_OP_REPLACE,
STENCIL_OP_INCREMENT_AND_CLAMP,
STENCIL_OP_DECREMENT_AND_CLAMP,
STENCIL_OP_INVERT,
STENCIL_OP_INCREMENT_AND_WRAP,
STENCIL_OP_DECREMENT_AND_WRAP,
STENCIL_OP_MAX //not an actual operator, just the amount of operators :D
};
enum LogicOperation {
LOGIC_OP_CLEAR,
LOGIC_OP_AND,
LOGIC_OP_AND_REVERSE,
LOGIC_OP_COPY,
LOGIC_OP_AND_INVERTED,
LOGIC_OP_NO_OP,
LOGIC_OP_XOR,
LOGIC_OP_OR,
LOGIC_OP_NOR,
LOGIC_OP_EQUIVALENT,
LOGIC_OP_INVERT,
LOGIC_OP_OR_REVERSE,
LOGIC_OP_COPY_INVERTED,
LOGIC_OP_OR_INVERTED,
LOGIC_OP_NAND,
LOGIC_OP_SET,
LOGIC_OP_MAX //not an actual operator, just the amount of operators :D
};
enum BlendFactor {
BLEND_FACTOR_ZERO,
BLEND_FACTOR_ONE,
BLEND_FACTOR_SRC_COLOR,
BLEND_FACTOR_ONE_MINUS_SRC_COLOR,
BLEND_FACTOR_DST_COLOR,
BLEND_FACTOR_ONE_MINUS_DST_COLOR,
BLEND_FACTOR_SRC_ALPHA,
BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
BLEND_FACTOR_DST_ALPHA,
BLEND_FACTOR_ONE_MINUS_DST_ALPHA,
BLEND_FACTOR_CONSTANT_COLOR,
BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR,
BLEND_FACTOR_CONSTANT_ALPHA,
BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA,
BLEND_FACTOR_SRC_ALPHA_SATURATE,
BLEND_FACTOR_SRC1_COLOR,
BLEND_FACTOR_ONE_MINUS_SRC1_COLOR,
BLEND_FACTOR_SRC1_ALPHA,
BLEND_FACTOR_ONE_MINUS_SRC1_ALPHA,
BLEND_FACTOR_MAX
};
enum BlendOperation {
BLEND_OP_ADD,
BLEND_OP_SUBTRACT,
BLEND_OP_REVERSE_SUBTRACT,
BLEND_OP_MINIMUM,
BLEND_OP_MAXIMUM, //yes this one is an actual operator
BLEND_OP_MAX //not an actual operator, just the amount of operators :D
};
struct PipelineRasterizationState {
bool enable_depth_clamp;
bool discard_primitives;
bool wireframe;
PolygonCullMode cull_mode;
PolygonFrontFace front_face;
bool depth_bias_enabled;
float depth_bias_constant_factor;
float depth_bias_clamp;
float depth_bias_slope_factor;
float line_width;
uint32_t patch_control_points;
PipelineRasterizationState() {
enable_depth_clamp = false;
discard_primitives = false;
wireframe = false;
cull_mode = POLYGON_CULL_DISABLED;
front_face = POLYGON_FRONT_FACE_CLOCKWISE;
depth_bias_enabled = false;
depth_bias_constant_factor = 0;
depth_bias_clamp = 0;
depth_bias_slope_factor = 0;
line_width = 1.0;
patch_control_points = 1;
}
};
struct PipelineMultisampleState {
TextureSamples sample_count;
bool enable_sample_shading;
float min_sample_shading;
Vector<uint32_t> sample_mask;
bool enable_alpha_to_coverage;
bool enable_alpha_to_one;
PipelineMultisampleState() {
sample_count = TEXTURE_SAMPLES_1;
enable_sample_shading = false;
min_sample_shading = 0;
enable_alpha_to_coverage = false;
enable_alpha_to_one = false;
}
};
struct PipelineDepthStencilState {
bool enable_depth_test;