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lib_webgpu_dawn.cpp
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lib_webgpu_dawn.cpp
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#ifndef __EMSCRIPTEN__
#include "lib_webgpu.h"
#include "dawn/webgpu.h"
#include "dawn/dawn_proc.h"
#include "dawn/native/DawnNative.h"
#include <map>
#include <vector>
#include <assert.h>
#ifdef _WIN32
#include <Windows.h>
#endif
enum _WgpuObjectType {
kWebGPUInvalidObject = 0,
kWebGPUAdapter,
kWebGPUDevice,
kWebGPUBindGroupLayout,
kWebGPUBuffer,
kWebGPUTexture,
kWebGPUTextureView,
kWebGPUExternalTexture,
kWebGPUSampler,
kWebGPUBindGroup,
kWebGPUPipelineLayout,
kWebGPUShaderModule,
kWebGPUComputePipeline,
kWebGPURenderPipeline,
kWebGPUCommandBuffer,
kWebGPUCommandEncoder,
kWebGPUComputePassEncoder,
kWebGPURenderPassEncoder,
kWebGPURenderBundle,
kWebGPURenderBundleEncoder,
kWebGPUQueue,
kWebGPUQuerySet,
kWebGPUCanvasContext
};
enum _WGpuBufferMapState {
kWebGPUBufferMapStateUnmapped,
kWebGPUBufferMapStatePending,
kWebGPUBufferMapStateMappedForWriting,
kWebGPUBufferMapStateMappedForReading,
};
// lib_webgpu.js tracks derived objects and deletes them when the parent object is deleted.
// This may potentially cause bad pointers because WGpuObjectBase is a pointer to a _WGpuObject,
// and if the app still has a pointer to a derived object after it deletes the parent object,
// it would be a bad pointer. The app should make sure to delete derived objects before a parent
// object, such as deleting all texture_view's before deleting the texture.
struct _WGpuObject {
_WgpuObjectType type; // C/Dawn doesn't have the RTTI that JS has.
void* dawnObject;
};
struct _WGpuObjectBuffer : _WGpuObject {
_WGpuBufferMapState state;
};
namespace {
const WGPU_BUFFER_MAP_STATE Dawn_to_WGPU_BUFFER_MAP_STATE[] = {
WGPU_BUFFER_MAP_STATE_UNMAPPED,
WGPU_BUFFER_MAP_STATE_PENDING,
WGPU_BUFFER_MAP_STATE_MAPPED,
WGPU_BUFFER_MAP_STATE_MAPPED
};
template<typename T>
class RuntimeStatic {
public:
RuntimeStatic()
: _self(nullptr)
{}
~RuntimeStatic() {
delete _self;
}
T* operator->() {
if (!_self)
_self = new T;
return _self;
}
T& operator*() {
if (!_self)
_self = new T;
return *_self;
}
private:
T* _self;
};
RuntimeStatic<std::map<void*, WGpuObjectBase>> _dawn_to_webgpu;
RuntimeStatic<std::map<void*, void*>> _webgpu_to_dawn;
// Translate lib_webgpu enums to Dawn enums
const WGPUFeatureName WGPU_FEATURES_BITFIELD_to_Dawn[] = {
WGPUFeatureName_DepthClipControl,
WGPUFeatureName_Depth32FloatStencil8,
WGPUFeatureName_TextureCompressionBC,
WGPUFeatureName_TextureCompressionETC2,
WGPUFeatureName_TextureCompressionASTC,
WGPUFeatureName_TimestampQuery,
WGPUFeatureName_IndirectFirstInstance,
WGPUFeatureName_ShaderF16,
WGPUFeatureName_RG11B10UfloatRenderable,
WGPUFeatureName_BGRA8UnormStorage,
WGPUFeatureName_Float32Filterable,
};
const int _wgpu_num_features = 11;
const WGPUPowerPreference WGPU_POWER_PREFERENCE_to_Dawn[] = {
WGPUPowerPreference_Undefined,
WGPUPowerPreference_LowPower,
WGPUPowerPreference_HighPerformance,
};
#define wgpu_power_preference_to_dawn(mode) WGPU_POWER_PREFERENCE_to_Dawn[mode]
#define wgpu_buffer_usage_to_dawn(usage) (WGPUBufferUsage)usage
#define wgpu_map_mode_to_dawn(mode) (WGPUMapMode)mode
const WGPUTextureDimension WGPU_TEXTURE_DIMENSION_to_Dawn[] = {
WGPUTextureDimension_Force32,
WGPUTextureDimension_1D,
WGPUTextureDimension_2D,
WGPUTextureDimension_3D,
};
#define wgpu_texture_dimension_to_dawn(dim) WGPU_TEXTURE_DIMENSION_to_Dawn[dim]
const WGPU_TEXTURE_DIMENSION Dawn_to_WGPU_TEXTURE_DIMENSION[] = {
WGPU_TEXTURE_DIMENSION_1D,
WGPU_TEXTURE_DIMENSION_2D,
WGPU_TEXTURE_DIMENSION_3D,
};
#define dawn_to_wgpu_texture_dimension(dim) Dawn_to_WGPU_TEXTURE_DIMENSION[dim]
#define wgpu_texture_usage_flags_to_dawn(flags) (WGPUTextureUsage)flags
const WGPUTextureViewDimension WGPU_TEXTURE_VIEW_DIMENSION_to_Dawn[] = {
WGPUTextureViewDimension_Undefined,
WGPUTextureViewDimension_1D,
WGPUTextureViewDimension_2D,
WGPUTextureViewDimension_2DArray,
WGPUTextureViewDimension_Cube,
WGPUTextureViewDimension_CubeArray,
WGPUTextureViewDimension_3D,
};
#define wgpu_texture_view_dimension_to_dawn(dim) WGPU_TEXTURE_VIEW_DIMENSION_to_Dawn[dim]
WGPUTextureAspect WGPU_TEXTURE_ASPECT_to_Dawn[] = {
WGPUTextureAspect_Force32,
WGPUTextureAspect_All,
WGPUTextureAspect_StencilOnly,
WGPUTextureAspect_DepthOnly
};
#define wgpu_texture_aspect_to_dawn(aspect) WGPU_TEXTURE_ASPECT_to_Dawn[aspect]
const WGPUTextureFormat WGPU_TEXTURE_FORMAT_to_Dawn[] = {
WGPUTextureFormat_Undefined, // WGPU_TEXTURE_FORMAT_INVALID 0
// 8-bit formats
WGPUTextureFormat_R8Unorm, // WGPU_TEXTURE_FORMAT_R8UNORM 1
WGPUTextureFormat_R8Snorm, // WGPU_TEXTURE_FORMAT_R8SNORM 2
WGPUTextureFormat_R8Uint, // WGPU_TEXTURE_FORMAT_R8UINT 3
WGPUTextureFormat_R8Sint, // WGPU_TEXTURE_FORMAT_R8SINT
// 16-bit formats
WGPUTextureFormat_R16Uint, // WGPU_TEXTURE_FORMAT_R16UINT 5
WGPUTextureFormat_R16Sint, // WGPU_TEXTURE_FORMAT_R16SINT 6
WGPUTextureFormat_R16Float, // WGPU_TEXTURE_FORMAT_R16FLOAT 7
WGPUTextureFormat_RG8Unorm, // WGPU_TEXTURE_FORMAT_RG8UNORM 8
WGPUTextureFormat_RG8Snorm, // WGPU_TEXTURE_FORMAT_RG8SNORM 9
WGPUTextureFormat_RG8Uint, // WGPU_TEXTURE_FORMAT_RG8UINT 10
WGPUTextureFormat_RG8Sint, // WGPU_TEXTURE_FORMAT_RG8SINT 11
// 32-bit formats
WGPUTextureFormat_R32Uint, // WGPU_TEXTURE_FORMAT_R32UINT 12
WGPUTextureFormat_R32Sint, // WGPU_TEXTURE_FORMAT_R32SINT 13
WGPUTextureFormat_R32Float, // WGPU_TEXTURE_FORMAT_R32FLOAT 14
WGPUTextureFormat_RG16Uint, // WGPU_TEXTURE_FORMAT_RG16UINT 15
WGPUTextureFormat_RG16Sint, // WGPU_TEXTURE_FORMAT_RG16SINT 16
WGPUTextureFormat_RG16Float, // WGPU_TEXTURE_FORMAT_RG16FLOAT 17
WGPUTextureFormat_RGBA8Unorm, // WGPU_TEXTURE_FORMAT_RGBA8UNORM 18
WGPUTextureFormat_RGBA8UnormSrgb, // WGPU_TEXTURE_FORMAT_RGBA8UNORM_SRGB 19
WGPUTextureFormat_RGBA8Snorm, // WGPU_TEXTURE_FORMAT_RGBA8SNORM 20
WGPUTextureFormat_RGBA8Uint, // WGPU_TEXTURE_FORMAT_RGBA8UINT 21
WGPUTextureFormat_RGBA8Sint, // WGPU_TEXTURE_FORMAT_RGBA8SINT 22
WGPUTextureFormat_BGRA8Unorm, // WGPU_TEXTURE_FORMAT_BGRA8UNORM 23
WGPUTextureFormat_BGRA8UnormSrgb, // WGPU_TEXTURE_FORMAT_BGRA8UNORM_SRGB 24
// Packed 32-bit formats
WGPUTextureFormat_RGB9E5Ufloat, // WGPU_TEXTURE_FORMAT_RGB9E5UFLOAT 25
WGPUTextureFormat_Undefined, // WGPU_TEXTURE_FORMAT_RGB10A2UINT 26
WGPUTextureFormat_RGB10A2Unorm, // WGPU_TEXTURE_FORMAT_RGB10A2UNORM 27
WGPUTextureFormat_RG11B10Ufloat, // WGPU_TEXTURE_FORMAT_RG11B10UFLOAT 28
// 64-bit formats
WGPUTextureFormat_RG32Uint, // WGPU_TEXTURE_FORMAT_RG32UINT 29
WGPUTextureFormat_RG32Sint, // WGPU_TEXTURE_FORMAT_RG32SINT 30
WGPUTextureFormat_RG32Float, // WGPU_TEXTURE_FORMAT_RG32FLOAT 31
WGPUTextureFormat_RGBA16Uint, // WGPU_TEXTURE_FORMAT_RGBA16UINT 32
WGPUTextureFormat_RGBA16Sint, // WGPU_TEXTURE_FORMAT_RGBA16SINT 33
WGPUTextureFormat_RGBA16Float, // WGPU_TEXTURE_FORMAT_RGBA16FLOAT 34
// 128-bit formats
WGPUTextureFormat_RGBA32Uint, // WGPU_TEXTURE_FORMAT_RGBA32UINT 35
WGPUTextureFormat_RGBA32Sint, // WGPU_TEXTURE_FORMAT_RGBA32SINT 36
WGPUTextureFormat_RGBA32Float, // WGPU_TEXTURE_FORMAT_RGBA32FLOAT 37
// Depth/stencil formats
WGPUTextureFormat_Stencil8, // WGPU_TEXTURE_FORMAT_STENCIL8 38
WGPUTextureFormat_Depth16Unorm,
WGPUTextureFormat_Depth24Plus,
WGPUTextureFormat_Depth24PlusStencil8,
WGPUTextureFormat_Depth32Float,
WGPUTextureFormat_Depth32FloatStencil8,
// BC compressed formats usable if "texture-compression-bc" is both
// supported by the device/user agent and enabled in requestDevice.
WGPUTextureFormat_BC1RGBAUnorm,
WGPUTextureFormat_BC1RGBAUnormSrgb,
WGPUTextureFormat_BC2RGBAUnorm,
WGPUTextureFormat_BC2RGBAUnormSrgb,
WGPUTextureFormat_BC3RGBAUnorm,
WGPUTextureFormat_BC3RGBAUnormSrgb,
WGPUTextureFormat_BC4RUnorm,
WGPUTextureFormat_BC4RSnorm,
WGPUTextureFormat_BC5RGUnorm,
WGPUTextureFormat_BC5RGSnorm,
WGPUTextureFormat_BC6HRGBUfloat,
WGPUTextureFormat_BC6HRGBFloat,
WGPUTextureFormat_BC7RGBAUnorm,
WGPUTextureFormat_BC7RGBAUnormSrgb,
// ETC2 compressed formats usable if "texture-compression-etc2" is both
// supported by the device/user agent and enabled in requestDevice.
WGPUTextureFormat_ETC2RGB8Unorm,
WGPUTextureFormat_ETC2RGB8UnormSrgb,
WGPUTextureFormat_ETC2RGB8A1Unorm,
WGPUTextureFormat_ETC2RGB8A1UnormSrgb,
WGPUTextureFormat_ETC2RGBA8Unorm,
WGPUTextureFormat_ETC2RGBA8UnormSrgb,
WGPUTextureFormat_EACR11Unorm,
WGPUTextureFormat_EACR11Snorm,
WGPUTextureFormat_EACRG11Unorm,
WGPUTextureFormat_EACRG11Snorm,
// ASTC compressed formats usable if "texture-compression-astc" is both
// supported by the device/user agent and enabled in requestDevice.
WGPUTextureFormat_ASTC4x4Unorm,
WGPUTextureFormat_ASTC4x4UnormSrgb,
WGPUTextureFormat_ASTC5x4Unorm,
WGPUTextureFormat_ASTC5x4UnormSrgb,
WGPUTextureFormat_ASTC5x5Unorm,
WGPUTextureFormat_ASTC5x5UnormSrgb,
WGPUTextureFormat_ASTC6x5Unorm,
WGPUTextureFormat_ASTC6x5UnormSrgb,
WGPUTextureFormat_ASTC6x6Unorm,
WGPUTextureFormat_ASTC6x6UnormSrgb,
WGPUTextureFormat_ASTC8x5Unorm,
WGPUTextureFormat_ASTC8x5UnormSrgb,
WGPUTextureFormat_ASTC8x6Unorm,
WGPUTextureFormat_ASTC8x6UnormSrgb,
WGPUTextureFormat_ASTC8x8Unorm,
WGPUTextureFormat_ASTC8x8UnormSrgb,
WGPUTextureFormat_ASTC10x5Unorm,
WGPUTextureFormat_ASTC10x5UnormSrgb,
WGPUTextureFormat_ASTC10x6Unorm,
WGPUTextureFormat_ASTC10x6UnormSrgb,
WGPUTextureFormat_ASTC10x8Unorm,
WGPUTextureFormat_ASTC10x8UnormSrgb,
WGPUTextureFormat_ASTC10x10Unorm,
WGPUTextureFormat_ASTC10x10UnormSrgb,
WGPUTextureFormat_ASTC12x10Unorm,
WGPUTextureFormat_ASTC12x10UnormSrgb,
WGPUTextureFormat_ASTC12x12Unorm,
WGPUTextureFormat_ASTC12x12UnormSrgb,
// ?
WGPUTextureFormat_R8BG8Biplanar420Unorm,
};
#define wgpu_texture_format_to_dawn(format) WGPU_TEXTURE_FORMAT_to_Dawn[format]
const WGPU_TEXTURE_FORMAT Dawn_to_WGPU_TEXTURE_FORMAT[] = {
WGPU_TEXTURE_FORMAT_INVALID,
// 8-bit formats
WGPU_TEXTURE_FORMAT_R8UNORM,
WGPU_TEXTURE_FORMAT_R8SNORM,
WGPU_TEXTURE_FORMAT_R8UINT,
WGPU_TEXTURE_FORMAT_R8SINT,
// 16-bit formats
WGPU_TEXTURE_FORMAT_R16UINT,
WGPU_TEXTURE_FORMAT_R16SINT,
WGPU_TEXTURE_FORMAT_R16FLOAT,
WGPU_TEXTURE_FORMAT_RG8UNORM,
WGPU_TEXTURE_FORMAT_RG8SNORM,
WGPU_TEXTURE_FORMAT_RG8UINT,
WGPU_TEXTURE_FORMAT_RG8SINT,
// 32-bit formats
WGPU_TEXTURE_FORMAT_R32FLOAT,
WGPU_TEXTURE_FORMAT_R32UINT,
WGPU_TEXTURE_FORMAT_R32SINT,
WGPU_TEXTURE_FORMAT_RG16UINT,
WGPU_TEXTURE_FORMAT_RG16SINT,
WGPU_TEXTURE_FORMAT_RG16FLOAT,
WGPU_TEXTURE_FORMAT_RGBA8UNORM,
WGPU_TEXTURE_FORMAT_RGBA8UNORM_SRGB,
WGPU_TEXTURE_FORMAT_RGBA8SNORM,
WGPU_TEXTURE_FORMAT_RGBA8UINT,
WGPU_TEXTURE_FORMAT_RGBA8SINT,
WGPU_TEXTURE_FORMAT_BGRA8UNORM,
WGPU_TEXTURE_FORMAT_BGRA8UNORM_SRGB,
// Packed 32-bit formats
WGPU_TEXTURE_FORMAT_RGB10A2UINT,
WGPU_TEXTURE_FORMAT_RGB10A2UNORM,
WGPU_TEXTURE_FORMAT_RG11B10UFLOAT,
WGPU_TEXTURE_FORMAT_RGB9E5UFLOAT,
// 64-bit formats
WGPU_TEXTURE_FORMAT_RG32FLOAT,
WGPU_TEXTURE_FORMAT_RG32UINT,
WGPU_TEXTURE_FORMAT_RG32SINT,
WGPU_TEXTURE_FORMAT_RGBA16UINT,
WGPU_TEXTURE_FORMAT_RGBA16SINT,
WGPU_TEXTURE_FORMAT_RGBA16FLOAT,
// 128-bit formats
WGPU_TEXTURE_FORMAT_RGBA32FLOAT,
WGPU_TEXTURE_FORMAT_RGBA32UINT,
WGPU_TEXTURE_FORMAT_RGBA32SINT,
// Depth/stencil formats
WGPU_TEXTURE_FORMAT_STENCIL8,
WGPU_TEXTURE_FORMAT_DEPTH16UNORM,
WGPU_TEXTURE_FORMAT_DEPTH24PLUS,
WGPU_TEXTURE_FORMAT_DEPTH24PLUS_STENCIL8,
WGPU_TEXTURE_FORMAT_DEPTH32FLOAT,
WGPU_TEXTURE_FORMAT_DEPTH32FLOAT_STENCIL8,
// BC compressed formats usable if "texture-compression-bc" is both
// supported by the device/user agent and enabled in requestDevice.
WGPU_TEXTURE_FORMAT_BC1_RGBA_UNORM,
WGPU_TEXTURE_FORMAT_BC1_RGBA_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_BC2_RGBA_UNORM,
WGPU_TEXTURE_FORMAT_BC2_RGBA_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_BC3_RGBA_UNORM,
WGPU_TEXTURE_FORMAT_BC3_RGBA_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_BC4_R_UNORM,
WGPU_TEXTURE_FORMAT_BC4_R_SNORM,
WGPU_TEXTURE_FORMAT_BC5_RG_UNORM,
WGPU_TEXTURE_FORMAT_BC5_RG_SNORM,
WGPU_TEXTURE_FORMAT_BC6H_RGB_UFLOAT,
WGPU_TEXTURE_FORMAT_BC6H_RGB_FLOAT,
WGPU_TEXTURE_FORMAT_BC7_RGBA_UNORM,
WGPU_TEXTURE_FORMAT_BC7_RGBA_UNORM_SRGB,
// ETC2 compressed formats usable if "texture-compression-etc2" is both
// supported by the device/user agent and enabled in requestDevice.
WGPU_TEXTURE_FORMAT_ETC2_RGB8UNORM,
WGPU_TEXTURE_FORMAT_ETC2_RGB8UNORM_SRGB,
WGPU_TEXTURE_FORMAT_ETC2_RGB8A1UNORM,
WGPU_TEXTURE_FORMAT_ETC2_RGB8A1UNORM_SRGB,
WGPU_TEXTURE_FORMAT_ETC2_RGBA8UNORM,
WGPU_TEXTURE_FORMAT_ETC2_RGBA8UNORM_SRGB,
WGPU_TEXTURE_FORMAT_EAC_R11UNORM,
WGPU_TEXTURE_FORMAT_EAC_R11SNORM,
WGPU_TEXTURE_FORMAT_EAC_RG11UNORM,
WGPU_TEXTURE_FORMAT_EAC_RG11SNORM,
// ASTC compressed formats usable if "texture-compression-astc" is both
// supported by the device/user agent and enabled in requestDevice.
WGPU_TEXTURE_FORMAT_ASTC_4X4_UNORM,
WGPU_TEXTURE_FORMAT_ASTC_4X4_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_ASTC_5X4_UNORM,
WGPU_TEXTURE_FORMAT_ASTC_5X4_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_ASTC_5X5_UNORM,
WGPU_TEXTURE_FORMAT_ASTC_5X5_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_ASTC_6X5_UNORM,
WGPU_TEXTURE_FORMAT_ASTC_6X5_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_ASTC_6X6_UNORM,
WGPU_TEXTURE_FORMAT_ASTC_6X6_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_ASTC_8X5_UNORM,
WGPU_TEXTURE_FORMAT_ASTC_8X5_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_ASTC_8X6_UNORM,
WGPU_TEXTURE_FORMAT_ASTC_8X6_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_ASTC_8X8_UNORM,
WGPU_TEXTURE_FORMAT_ASTC_8X8_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_ASTC_10X5_UNORM,
WGPU_TEXTURE_FORMAT_ASTC_10X5_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_ASTC_10X6_UNORM,
WGPU_TEXTURE_FORMAT_ASTC_10X6_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_ASTC_10X8_UNORM,
WGPU_TEXTURE_FORMAT_ASTC_10X8_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_ASTC_10X10_UNORM,
WGPU_TEXTURE_FORMAT_ASTC_10X10_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_ASTC_12X10_UNORM,
WGPU_TEXTURE_FORMAT_ASTC_12X10_UNORM_SRGB,
WGPU_TEXTURE_FORMAT_ASTC_12X12_UNORM,
WGPU_TEXTURE_FORMAT_ASTC_12X12_UNORM_SRGB,
};
#define dawn_to_wgpu_texture_format(format) Dawn_to_WGPU_TEXTURE_FORMAT[format]
const WGPUAddressMode WGPU_ADDRESS_MODE_to_Dawn[] = {
WGPUAddressMode_Force32,
WGPUAddressMode_ClampToEdge,
WGPUAddressMode_Repeat,
WGPUAddressMode_MirrorRepeat
};
#define wgpu_address_mode_to_dawn(mode) WGPU_ADDRESS_MODE_to_Dawn[mode]
const WGPUFilterMode WGPU_FILTER_MODE_to_Dawn[] = {
WGPUFilterMode_Force32,
WGPUFilterMode_Nearest,
WGPUFilterMode_Linear
};
#define wgpu_filter_mode_to_dawn(mode) WGPU_FILTER_MODE_to_Dawn[mode]
const WGPUMipmapFilterMode WGPU_MIPMAP_FILTER_MODE_to_Dawn[] = {
WGPUMipmapFilterMode_Force32,
WGPUMipmapFilterMode_Nearest,
WGPUMipmapFilterMode_Linear
};
#define wgpu_mipmap_filter_mode_to_dawn(mode) WGPU_MIPMAP_FILTER_MODE_to_Dawn[mode]
const WGPUCompareFunction WGPU_COMPARE_FUNCTION_to_Dawn[] = {
WGPUCompareFunction_Undefined,
WGPUCompareFunction_Never,
WGPUCompareFunction_Less,
WGPUCompareFunction_Equal,
WGPUCompareFunction_LessEqual,
WGPUCompareFunction_Greater,
WGPUCompareFunction_NotEqual,
WGPUCompareFunction_GreaterEqual,
WGPUCompareFunction_Always,
};
#define wgpu_compare_function_to_dawn(function) WGPU_COMPARE_FUNCTION_to_Dawn[function]
#define wgpu_shader_storage_flags_to_dawn(flags) (WGPUShaderStageFlags)flags
const WGPUBufferBindingType WGPU_BUFFER_BINDING_TYPE_to_Dawn[] = {
WGPUBufferBindingType_Undefined,
WGPUBufferBindingType_Uniform,
WGPUBufferBindingType_Storage,
WGPUBufferBindingType_ReadOnlyStorage,
};
#define wgpu_buffer_binding_type_to_dawn(type) WGPU_BUFFER_BINDING_TYPE_to_Dawn[type]
const WGPUSamplerBindingType WGPU_SAMPLER_BINDING_TYPE_to_Dawn[] = {
WGPUSamplerBindingType_Undefined,
WGPUSamplerBindingType_Filtering,
WGPUSamplerBindingType_NonFiltering,
WGPUSamplerBindingType_Comparison,
};
#define wgpu_sampler_binding_type_to_dawn(type) WGPU_SAMPLER_BINDING_TYPE_to_Dawn[type];
const WGPUTextureSampleType WGPU_TEXTURE_SAMPLE_TYPE_to_Dawn[] = {
WGPUTextureSampleType_Undefined,
WGPUTextureSampleType_Float,
WGPUTextureSampleType_UnfilterableFloat,
WGPUTextureSampleType_Depth,
WGPUTextureSampleType_Sint,
WGPUTextureSampleType_Uint
};
#define wgpu_texture_sample_type_to_dawn(type) WGPU_TEXTURE_SAMPLE_TYPE_to_Dawn[type]
const WGPUStorageTextureAccess WGPU_STORAGE_TEXTURE_ACCESS_to_Dawn[] = {
WGPUStorageTextureAccess_Undefined,
WGPUStorageTextureAccess_WriteOnly,
WGPUStorageTextureAccess_ReadOnly,
WGPUStorageTextureAccess_ReadWrite
};
#define wgpu_storage_texture_access_to_dawn(access) WGPU_STORAGE_TEXTURE_ACCESS_to_Dawn[access]
const WGPUPrimitiveTopology WGPU_PRIMITIVE_TOPOLOGY_to_Dawn[] = {
WGPUPrimitiveTopology_Force32,
WGPUPrimitiveTopology_PointList,
WGPUPrimitiveTopology_LineList,
WGPUPrimitiveTopology_LineStrip,
WGPUPrimitiveTopology_TriangleList,
WGPUPrimitiveTopology_TriangleStrip,
};
#define wgpu_primitive_topology_to_dawn(topology) WGPU_PRIMITIVE_TOPOLOGY_to_Dawn[topology]
const WGPUFrontFace WGPU_FRONT_FACE_to_Dawn[] = {
WGPUFrontFace_Force32,
WGPUFrontFace_CCW,
WGPUFrontFace_CW,
};
#define wgpu_front_face_to_dawn(type) WGPU_FRONT_FACE_to_Dawn[type]
const WGPUCullMode WGPU_CULL_MODE_to_Dawn[] = {
WGPUCullMode_Force32,
WGPUCullMode_None,
WGPUCullMode_Front,
WGPUCullMode_Back,
};
#define wgpu_cull_mode_to_dawn(mode) WGPU_CULL_MODE_to_Dawn[mode]
#define wgpu_color_write_flags_to_dawn(flags) (WGPUColorWriteMaskFlags)flags
const WGPUBlendFactor WGPU_BLEND_FACTOR_to_Dawn[] = {
WGPUBlendFactor_Force32, //WGPU_BLEND_FACTOR_INVALID
WGPUBlendFactor_Zero, //WGPU_BLEND_FACTOR_ZERO,
WGPUBlendFactor_One, //WGPU_BLEND_FACTOR_ONE,
WGPUBlendFactor_Src, //WGPU_BLEND_FACTOR_SRC,
WGPUBlendFactor_OneMinusSrc, //WGPU_BLEND_FACTOR_ONE_MINUS_SRC,
WGPUBlendFactor_SrcAlpha, //WGPU_BLEND_FACTOR_SRC_ALPHA,
WGPUBlendFactor_OneMinusSrcAlpha, //WGPU_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
WGPUBlendFactor_Dst, //WGPU_BLEND_FACTOR_DST,
WGPUBlendFactor_OneMinusDst, //WGPU_BLEND_FACTOR_ONE_MINUS_DST,
WGPUBlendFactor_DstAlpha, //WGPU_BLEND_FACTOR_DST_ALPHA,
WGPUBlendFactor_OneMinusDstAlpha, //WGPU_BLEND_FACTOR_ONE_MINUS_DST_ALPHA,
WGPUBlendFactor_SrcAlphaSaturated, //WGPU_BLEND_FACTOR_SRC_ALPHA_SATURATED,
WGPUBlendFactor_Constant, //WGPU_BLEND_FACTOR_CONSTANT,
WGPUBlendFactor_OneMinusConstant, //WGPU_BLEND_FACTOR_ONE_MINUS_CONSTANT
};
#define wgpu_blend_factor_to_dawn(factor) WGPU_BLEND_FACTOR_to_Dawn[factor]
const WGPUBlendOperation WGPU_BLEND_OPERATION_to_Dawn[] = {
WGPUBlendOperation_Force32,
WGPUBlendOperation_Add,
WGPUBlendOperation_Subtract,
WGPUBlendOperation_ReverseSubtract,
WGPUBlendOperation_Min,
WGPUBlendOperation_Max,
};
#define wgpu_blend_operation_to_dawn(op) WGPU_BLEND_OPERATION_to_Dawn[op]
const WGPUStencilOperation WGPU_STENCIL_OPERATION_to_Dawn[] = {
WGPUStencilOperation_Force32,
WGPUStencilOperation_Keep,
WGPUStencilOperation_Zero,
WGPUStencilOperation_Replace,
WGPUStencilOperation_Invert,
WGPUStencilOperation_IncrementClamp,
WGPUStencilOperation_DecrementClamp,
WGPUStencilOperation_IncrementWrap,
WGPUStencilOperation_DecrementWrap,
};
#define wgpu_stencil_operation_to_dawn(op) WGPU_STENCIL_OPERATION_to_Dawn[op]
const WGPUIndexFormat WGPU_INDEX_FORMAT_to_Dawn[] = {
WGPUIndexFormat_Undefined,
WGPUIndexFormat_Uint16,
WGPUIndexFormat_Uint32,
};
#define wgpu_index_format_to_dawn(format) WGPU_INDEX_FORMAT_to_Dawn[format]
const WGPUVertexFormat WGPU_VERTEX_FORMAT_to_Dawn[] = {
WGPUVertexFormat_Undefined,
WGPUVertexFormat_Uint8x2,
WGPUVertexFormat_Uint8x4,
WGPUVertexFormat_Sint8x2,
WGPUVertexFormat_Sint8x4,
WGPUVertexFormat_Unorm8x2,
WGPUVertexFormat_Unorm8x4,
WGPUVertexFormat_Snorm8x2,
WGPUVertexFormat_Snorm8x4,
WGPUVertexFormat_Uint16x2,
WGPUVertexFormat_Uint16x4,
WGPUVertexFormat_Sint16x2,
WGPUVertexFormat_Sint16x4,
WGPUVertexFormat_Unorm16x2,
WGPUVertexFormat_Unorm16x4,
WGPUVertexFormat_Snorm16x2,
WGPUVertexFormat_Snorm16x4,
WGPUVertexFormat_Float16x2,
WGPUVertexFormat_Float16x4,
WGPUVertexFormat_Float32,
WGPUVertexFormat_Float32x2,
WGPUVertexFormat_Float32x3,
WGPUVertexFormat_Float32x4,
WGPUVertexFormat_Uint32,
WGPUVertexFormat_Uint32x2,
WGPUVertexFormat_Uint32x3,
WGPUVertexFormat_Uint32x4,
WGPUVertexFormat_Sint32,
WGPUVertexFormat_Sint32x2,
WGPUVertexFormat_Sint32x3,
WGPUVertexFormat_Sint32x4,
WGPUVertexFormat_Unorm10_10_10_2
};
#define wgpu_vertex_format_to_dawn(format) (format == 0 ? WGPUVertexFormat_Undefined : WGPU_VERTEX_FORMAT_to_Dawn[format - (WGPU_VERTEX_FORMAT_UINT8X2 - 1)])
const WGPUVertexStepMode WGPU_VERTEX_STEP_MODE_to_Dawn[] = {
WGPUVertexStepMode_VertexBufferNotUsed,
WGPUVertexStepMode_Vertex,
WGPUVertexStepMode_Instance
};
#define wgpu_vertex_step_mode_to_dawn(mode) WGPU_VERTEX_STEP_MODE_to_Dawn[mode]
const WGPULoadOp WGPU_LOAD_OP_to_Dawn[] = {
WGPULoadOp_Undefined,
WGPULoadOp_Load,
WGPULoadOp_Clear
};
#define wgpu_load_op_to_dawn(op) WGPU_LOAD_OP_to_Dawn[op]
const WGPUStoreOp WGPU_STORE_OP_to_Dawn[] = {
WGPUStoreOp_Undefined,
WGPUStoreOp_Store,
WGPUStoreOp_Discard
};
#define wgpu_store_op_to_dawn(op) WGPU_STORE_OP_to_Dawn[op]
const WGPUQueryType WGPU_QUERY_TYPE_to_Dawn[] = {
WGPUQueryType_Force32,
WGPUQueryType_Occlusion,
WGPUQueryType_Timestamp,
};
#define wgpu_query_type_to_dawn(type) WGPU_QUERY_TYPE_to_Dawn[type]
const WGPU_QUERY_TYPE Dawn_to_WGPU_QUERY_TYPE[] = {
WGPU_QUERY_TYPE_OCCLUSION,
WGPU_QUERY_TYPE_TIMESTAMP,
};
#define dawn_to_wgpu_query_type(type) Dawn_to_WGPU_QUERY_TYPE[type]
const WGPUErrorFilter WGPU_ERROR_FILTER_to_Dawn[] = {
WGPUErrorFilter_Force32,
WGPUErrorFilter_OutOfMemory,
WGPUErrorFilter_Validation,
WGPUErrorFilter_Internal
};
#define wgpu_error_filter_to_dawn(filter) WGPU_ERROR_FILTER_to_Dawn[filter]
WGPU_DEVICE_LOST_REASON Dawn_to_WGPU_DEVICE_LOST_REASON[] = {
WGPU_DEVICE_LOST_REASON_UNKNOWN,
WGPU_DEVICE_LOST_REASON_DESTROYED
};
#define dawn_to_wgpu_device_lost_reason(reason) Dawn_to_WGPU_DEVICE_LOST_REASON[reason]
//////////////////////////////////////////////////////////////////////
static dawn::native::Instance& GetDawnInstance() {
static dawn::native::Instance instance;
return instance;
}
struct _WGpuCanvasContext {
WGPUSurface surface;
WGPUSwapChain swapChain;
DawnProcTable procTable;
};
// Returns the number of leading zeros.
// Is there a standard C/C++ function for this?
int clz32(int x) {
int r = 0;
if (!x)
return 32;
if (!(x & 0xffff0000u)) {
x <<= 16;
r += 16;
}
if (!(x & 0xff000000u)) {
x <<= 8;
r += 8;
}
if (!(x & 0xf0000000u)) {
x <<= 4;
r += 4;
}
if (!(x & 0xc0000000u)) {
x <<= 2;
r += 2;
}
if (!(x & 0x80000000u)) {
x <<= 1;
r += 1;
}
return r;
}
static inline _WGpuObject* _wgpu_get(WGpuObjectBase id) {
return (_WGpuObject*)id;
}
template<typename T> inline _WgpuObjectType _wgpu_get_type() { return kWebGPUInvalidObject; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUAdapter>() { return kWebGPUAdapter; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUDevice>() { return kWebGPUDevice; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUBindGroupLayout>() { return kWebGPUBindGroupLayout; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUBuffer>() { return kWebGPUBuffer; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUTexture>() { return kWebGPUTexture; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUTextureView>() { return kWebGPUTextureView; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUExternalTexture>() { return kWebGPUExternalTexture; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUSampler>() { return kWebGPUSampler; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUBindGroup>() { return kWebGPUBindGroup; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUPipelineLayout>() { return kWebGPUPipelineLayout; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUShaderModule>() { return kWebGPUShaderModule; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUComputePipeline>() { return kWebGPUComputePipeline; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPURenderPipeline>() { return kWebGPURenderPipeline; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUCommandEncoder>() { return kWebGPUCommandEncoder; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUComputePassEncoder>() { return kWebGPUComputePassEncoder; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPURenderPassEncoder>() { return kWebGPURenderPassEncoder; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUCommandBuffer>() { return kWebGPUCommandBuffer; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUQuerySet>() { return kWebGPUQuerySet; }
template<> inline _WgpuObjectType _wgpu_get_type<WGPUQueue>() { return kWebGPUQueue; }
template<> inline _WgpuObjectType _wgpu_get_type<_WGpuCanvasContext*>() { return kWebGPUCanvasContext; }
template<typename T>
static inline T _wgpu_get_dawn(WGpuObjectBase id) {
if (!id)
return nullptr;
assert(_wgpu_get_type<T>() == ((_WGpuObject*)id)->type);
return (T)(((_WGpuObject*)id)->dawnObject);
}
static WGpuObjectBase _wgpu_store(_WgpuObjectType type, void* dawnObject) {
_WGpuObject* wgpu;
if (type == kWebGPUBuffer)
wgpu = new _WGpuObjectBuffer{ type, dawnObject, kWebGPUBufferMapStateUnmapped };
else
wgpu = new _WGpuObject{ type, dawnObject };
(*_dawn_to_webgpu)[dawnObject] = wgpu;
return wgpu;
}
static WGpuObjectBase _wgpu_store_and_set_parent(_WgpuObjectType type, void* dawnObject, WGpuObjectBase parent) {
WGpuObjectBase id = _wgpu_store(type, dawnObject);
// derived objects currently aren't being tracked because deleting them can cause potential for memory errors.
return id;
}
void _wgpu_object_destroy(_WGpuObject* obj) {
// Dawn has separate Destroy functions for the different object types.
switch (obj->type) {
case kWebGPUAdapter: {
auto a = (*_webgpu_to_dawn).find(obj->dawnObject);
if (a != (*_webgpu_to_dawn).end()) {
delete (*a).second;
(*_webgpu_to_dawn).erase(a);
}
wgpuAdapterRelease((WGPUAdapter)obj->dawnObject);
break;
}
case kWebGPUDevice:
wgpuDeviceDestroy((WGPUDevice)obj->dawnObject);
break;
case kWebGPUBindGroupLayout:
wgpuBindGroupLayoutRelease((WGPUBindGroupLayout)obj->dawnObject);
break;
case kWebGPUBuffer:
wgpuBufferDestroy((WGPUBuffer)obj->dawnObject);
break;
case kWebGPUTexture:
wgpuTextureDestroy((WGPUTexture)obj->dawnObject);
break;
case kWebGPUTextureView:
wgpuTextureViewRelease((WGPUTextureView)obj->dawnObject);
break;
case kWebGPUExternalTexture:
wgpuExternalTextureDestroy((WGPUExternalTexture)obj->dawnObject);
break;
case kWebGPUSampler:
wgpuSamplerRelease((WGPUSampler)obj->dawnObject);
break;
case kWebGPUBindGroup:
wgpuBindGroupRelease((WGPUBindGroup)obj->dawnObject);
break;
case kWebGPUPipelineLayout:
wgpuPipelineLayoutRelease((WGPUPipelineLayout)obj->dawnObject);
break;
case kWebGPUShaderModule:
wgpuShaderModuleRelease((WGPUShaderModule)obj->dawnObject);
break;
case kWebGPUComputePipeline:
wgpuComputePipelineRelease((WGPUComputePipeline)obj->dawnObject);
break;
case kWebGPURenderPipeline:
wgpuRenderPipelineRelease((WGPURenderPipeline)obj->dawnObject);
break;
case kWebGPUCommandBuffer:
wgpuCommandBufferRelease((WGPUCommandBuffer)obj->dawnObject);
break;
case kWebGPUCommandEncoder:
wgpuCommandEncoderRelease((WGPUCommandEncoder)obj->dawnObject);
break;
case kWebGPUComputePassEncoder:
wgpuComputePassEncoderRelease((WGPUComputePassEncoder)obj->dawnObject);
break;
case kWebGPURenderPassEncoder:
wgpuRenderPassEncoderRelease((WGPURenderPassEncoder)obj->dawnObject);
break;
case kWebGPUQueue:
wgpuQueueRelease((WGPUQueue)obj->dawnObject);
break;
case kWebGPUQuerySet:
wgpuQuerySetDestroy((WGPUQuerySet)obj->dawnObject);
break;
default:
assert(false);
break;
}
obj->dawnObject = 0;
obj->type = kWebGPUInvalidObject;
}
} // namespace
extern "C" {
uint32_t wgpu_get_num_live_objects() {
return _dawn_to_webgpu->size();
}
void wgpu_object_destroy(WGpuObjectBase wgpuObject) {
if (wgpuObject == 0)
return;
_WGpuObject* obj = (_WGpuObject*)wgpuObject;
auto id = _dawn_to_webgpu->find(obj->dawnObject);
if (id == _dawn_to_webgpu->end())
return;
_dawn_to_webgpu->erase(id);
_wgpu_object_destroy(obj);
delete obj;
}
void wgpu_destroy_all_objects() {
for (auto i : *_dawn_to_webgpu) {
_WGpuObject* obj = (_WGpuObject*)i.second;
_wgpu_object_destroy(obj);
delete obj;
}
_dawn_to_webgpu->clear();
}
WGpuCanvasContext wgpu_canvas_get_webgpu_context(void *hwnd) {
WGPUSurfaceDescriptor surfaceDesc;
#ifdef _WIN32
WGPUSurfaceDescriptorFromWindowsHWND chainedDesc;
chainedDesc.hinstance = GetModuleHandle(NULL);
chainedDesc.hwnd = hwnd;
chainedDesc.chain = { nullptr, WGPUSType_SurfaceDescriptorFromWindowsHWND };
surfaceDesc.nextInChain = reinterpret_cast<WGPUChainedStruct*>(&chainedDesc);
#endif
_WGpuCanvasContext* context = new _WGpuCanvasContext{};
context->surface = wgpuInstanceCreateSurface(GetDawnInstance().Get(), &surfaceDesc);
return _wgpu_store(kWebGPUCanvasContext, context);
}
EM_BOOL wgpu_is_valid_object(WGpuObjectBase obj) {
return obj != 0 && _dawn_to_webgpu->find(((_WGpuObject*)obj)->dawnObject) != _dawn_to_webgpu->end();
}
void wgpu_object_set_label(WGpuObjectBase objBase, const char* label) {
_WGpuObject* obj = _wgpu_get(objBase);
assert(obj);
switch (obj->type) {
case kWebGPUDevice:
wgpuDeviceSetLabel((WGPUDevice)obj->dawnObject, label);
break;
case kWebGPUBindGroupLayout:
wgpuBindGroupLayoutSetLabel((WGPUBindGroupLayout)obj->dawnObject, label);
break;
case kWebGPUBuffer:
wgpuBufferSetLabel((WGPUBuffer)obj->dawnObject, label);
break;
case kWebGPUTexture:
wgpuTextureSetLabel((WGPUTexture)obj->dawnObject, label);
break;
case kWebGPUTextureView:
wgpuTextureViewSetLabel((WGPUTextureView)obj->dawnObject, label);
break;
case kWebGPUExternalTexture:
wgpuExternalTextureSetLabel((WGPUExternalTexture)obj->dawnObject, label);
break;
case kWebGPUSampler:
wgpuSamplerSetLabel((WGPUSampler)obj->dawnObject, label);
break;
case kWebGPUBindGroup:
wgpuBindGroupSetLabel((WGPUBindGroup)obj->dawnObject, label);
break;
case kWebGPUPipelineLayout:
wgpuPipelineLayoutSetLabel((WGPUPipelineLayout)obj->dawnObject, label);
break;
case kWebGPUShaderModule:
wgpuShaderModuleSetLabel((WGPUShaderModule)obj->dawnObject, label);
break;
case kWebGPUComputePipeline:
wgpuComputePipelineSetLabel((WGPUComputePipeline)obj->dawnObject, label);
break;
case kWebGPURenderPipeline:
wgpuRenderPipelineSetLabel((WGPURenderPipeline)obj->dawnObject, label);
break;
case kWebGPUCommandBuffer:
wgpuCommandBufferSetLabel((WGPUCommandBuffer)obj->dawnObject, label);
break;
case kWebGPUCommandEncoder:
wgpuCommandEncoderSetLabel((WGPUCommandEncoder)obj->dawnObject, label);
break;
case kWebGPUComputePassEncoder:
wgpuComputePassEncoderSetLabel((WGPUComputePassEncoder)obj->dawnObject, label);
break;
case kWebGPURenderPassEncoder:
wgpuRenderPassEncoderSetLabel((WGPURenderPassEncoder)obj->dawnObject, label);
break;
case kWebGPUQueue:
wgpuQueueSetLabel((WGPUQueue)obj->dawnObject, label);
break;
case kWebGPUQuerySet:
wgpuQuerySetSetLabel((WGPUQuerySet)obj->dawnObject, label);
break;
}
}
int wgpu_object_get_label(WGpuObjectBase obj, char* dstLabel, uint32_t dstLabelSize) {
/* TODO: Dawn has no GetLabel. lib_webgpu.js stores the label in the JS object. */
return 0;
}
EM_BOOL navigator_gpu_request_adapter_async(const WGpuRequestAdapterOptions* options, WGpuRequestAdapterCallback adapterCallback, void* userData) {
WGpuAdapter adapter = navigator_gpu_request_adapter_sync(options);
if (adapterCallback)
adapterCallback(adapter, userData);
return true;
}
WGpuAdapter navigator_gpu_request_adapter_sync(const WGpuRequestAdapterOptions* options) {
DawnProcTable procTable = dawn::native::GetProcs();
dawnProcSetProcs(&procTable);
WGPURequestAdapterOptions requestOptions{};
if (options && options->powerPreference == WGPU_POWER_PREFERENCE_LOW_POWER) {
requestOptions.powerPreference = WGPUPowerPreference_LowPower;
} else {
requestOptions.powerPreference = WGPUPowerPreference_HighPerformance;
}
// When interacting with dawn the behavior should mimic chromes default selections
// So instead of specificying a backend, use undefined
requestOptions.backendType = WGPUBackendType_Undefined;
std::vector<dawn::native::Adapter> requestedAdapters = GetDawnInstance().EnumerateAdapters(&requestOptions);
if (!requestedAdapters.empty()) {
// Adapters supporting requested backend are sorted by power preference
// ie : when HighPerformance; Discrete_GPU = 0, Integrated = 1, CPU = 2
auto* finalAdapter = new dawn::native::Adapter(requestedAdapters[0]);
(*_webgpu_to_dawn)[finalAdapter->Get()] = finalAdapter;
return _wgpu_store(kWebGPUAdapter, finalAdapter->Get());
}
return {0};
}
void navigator_gpu_request_adapter_async_simple(WGpuRequestAdapterCallback adapterCallback) {
WGpuAdapter adapter = navigator_gpu_request_adapter_sync_simple();
if (adapterCallback)
adapterCallback(adapter, nullptr);
}
WGpuAdapter navigator_gpu_request_adapter_sync_simple() {
WGpuRequestAdapterOptions options = { WGPU_POWER_PREFERENCE_HIGH_PERFORMANCE, false };
return navigator_gpu_request_adapter_sync(&options);
}
WGPU_TEXTURE_FORMAT navigator_gpu_get_preferred_canvas_format() {
return WGPUTextureFormat_BGRA8Unorm; /* TODO Figure out how to get the preferred format from Dawn */
}
EM_BOOL wgpu_is_adapter(WGpuObjectBase object) {
_WGpuObject* obj = _wgpu_get(object);
return obj && obj->type == kWebGPUAdapter;
}
WGPU_FEATURES_BITFIELD wgpu_adapter_or_device_get_features(WGpuAdapter adapterOrDevice) {
_WGpuObject* obj = _wgpu_get(adapterOrDevice);
assert(obj && (obj->type != kWebGPUDevice || obj->type != kWebGPUAdapter));
bool isDevice = obj->type == kWebGPUDevice;
WGPU_FEATURES_BITFIELD featuresBitMask = 0;
for (int i = 0, id = 1; i < _wgpu_num_features; ++i) {
WGPUFeatureName feature = WGPU_FEATURES_BITFIELD_to_Dawn[i];
if (isDevice && wgpuDeviceHasFeature((WGPUDevice)obj->dawnObject, feature))
featuresBitMask |= id;
else if (!isDevice && wgpuAdapterHasFeature((WGPUAdapter)obj->dawnObject, feature))
featuresBitMask |= id;
id *= 2;
}
return featuresBitMask;
}
EM_BOOL wgpu_adapter_or_device_supports_feature(WGpuAdapter adapterOrDevice, WGPU_FEATURES_BITFIELD feature) {
_WGpuObject* obj = _wgpu_get(adapterOrDevice);
assert(obj && (obj->type != kWebGPUDevice || obj->type != kWebGPUAdapter));
int fi = 32 - clz32(feature);
if (fi >= _wgpu_num_features)
return false;
WGPUFeatureName _feature = WGPU_FEATURES_BITFIELD_to_Dawn[fi];
if (obj->type == kWebGPUDevice)
return wgpuDeviceHasFeature((WGPUDevice)obj->dawnObject, _feature);
return wgpuAdapterHasFeature((WGPUAdapter)obj->dawnObject, _feature);
}
void wgpu_adapter_or_device_get_limits(WGpuAdapter adapterOrDevice, WGpuSupportedLimits* limits) {
_WGpuObject* obj = _wgpu_get(adapterOrDevice);
assert(obj && (obj->type != kWebGPUDevice || obj->type != kWebGPUAdapter));
WGPUSupportedLimits _limits;