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2769 lines (2450 loc) · 100 KB
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package wgpu
// TODO(dh): https://github.com/gfx-rs/wgpu/issues/3794#issuecomment-1954631975
// #include <stdlib.h>
// #include "./webgpu.h"
// #include "./wgpu.h"
//
// void requestAdapterCallback(WGPURequestAdapterStatus status, WGPUAdapter adapter, char *msg, void *data);
// void requestDeviceCallback(WGPURequestDeviceStatus status, WGPUDevice device, char *msg, void *data);
// void deviceLostCallback(WGPUDeviceLostReason reason, char *msg, uintptr_t hnd);
// void popErrorScopeCallback(WGPUErrorType type, char *message, void *userdata);
// void mapCallback(WGPUBufferMapAsyncStatus status, void *userdata);
// void doneCallback(WGPUQueueWorkDoneStatus status, void *userdata);
// void uncapturedErrorCallback(WGPUErrorType type, char *message, void *userdata);
import "C"
import (
"errors"
"fmt"
"runtime"
"runtime/cgo"
"structs"
"sync"
"unsafe"
"golang.org/x/exp/constraints"
"honnef.co/go/safeish"
)
type fp = *[0]byte
type up = unsafe.Pointer
//go:generate stringer -type requestAdapterStatus,requestDeviceStatus,PowerPreference,BackendType,AdapterType,DeviceLostReason,ErrorFilter,PrimitiveTopology,IndexFormat,FrontFace,CullMode,TextureFormat,VertexFormat,CompareFunction,StencilOperation,BlendOperation,BlendFactor,ColorWriteMask,VertexStepMode,PresentMode,CompositeAlphaMode,TextureUsage,TextureViewDimension,TextureAspect,LoadOp,StoreOp,QueryType,BufferUsage,MapMode,BufferMapState,ShaderStage,BufferBindingType,SamplerBindingType,TextureSampleType,StorageTextureAccess,TextureDimension,AddressMode,FilterMode,MipmapFilterMode -linecomment -output webgpu1_string.go
type requestAdapterStatus uint32
type PowerPreference uint32
type BackendType uint32
type AdapterType uint32
type DeviceLostReason uint32
type ErrorFilter uint32
type PrimitiveTopology uint32
type IndexFormat uint32
type FrontFace uint32
type CullMode uint32
type TextureFormat uint32
type VertexFormat uint32
type CompareFunction uint32
type StencilOperation uint32
type BlendOperation uint32
type BlendFactor uint32
type ColorWriteMask uint32
type VertexStepMode uint32
type PresentMode uint32
type CompositeAlphaMode uint32
type TextureUsage uint32
type TextureViewDimension uint32
type TextureAspect uint32
type LoadOp uint32
type StoreOp uint32
type QueryType uint32
type BufferUsage uint32
type MapMode uint32
type BufferMapState uint32
type ShaderStage uint32
type BufferBindingType uint32
type SamplerBindingType uint32
type TextureSampleType uint32
type StorageTextureAccess uint32
type TextureDimension uint32
type AddressMode uint32
type FilterMode uint32
type MipmapFilterMode uint32
//go:generate stringer -type FeatureName -output webgpu2_string.go
type FeatureName uint32
var ErrAdapterUnavailable = errors.New("no adapter available")
type RequestAdapterError struct {
Message string
}
func (err RequestAdapterError) Error() string { return err.Message }
const (
requestAdapterStatusSuccess requestAdapterStatus = C.WGPURequestAdapterStatus_Success // Success
requestAdapterStatusUnavailable requestAdapterStatus = C.WGPURequestAdapterStatus_Unavailable // Unavailable
requestAdapterStatusError requestAdapterStatus = C.WGPURequestAdapterStatus_Error // Error
requestAdapterStatusUnknown requestAdapterStatus = C.WGPURequestAdapterStatus_Unknown // Unknown
)
type requestDeviceStatus uint32
type RequestDeviceError struct {
Message string
}
func (err RequestDeviceError) Error() string { return err.Message }
const (
requestDeviceStatusSuccess requestDeviceStatus = C.WGPURequestDeviceStatus_Success // Success
requestDeviceStatusError requestDeviceStatus = C.WGPURequestDeviceStatus_Error // Error
requestDeviceStatusUnknown requestDeviceStatus = C.WGPURequestDeviceStatus_Unknown // Unknown
)
const (
FeatureNameUndefined FeatureName = C.WGPUFeatureName_Undefined // Undefined
FeatureNameDepthClipControl FeatureName = C.WGPUFeatureName_DepthClipControl // DepthClipControl
FeatureNameDepth32FloatStencil8 FeatureName = C.WGPUFeatureName_Depth32FloatStencil8 // Depth32FloatStencil8
FeatureNameTimestampQuery FeatureName = C.WGPUFeatureName_TimestampQuery // TimestampQuery
FeatureNameTextureCompressionBC FeatureName = C.WGPUFeatureName_TextureCompressionBC // TextureCompressionBC
FeatureNameTextureCompressionETC2 FeatureName = C.WGPUFeatureName_TextureCompressionETC2 // TextureCompressionETC2
FeatureNameTextureCompressionASTC FeatureName = C.WGPUFeatureName_TextureCompressionASTC // TextureCompressionASTC
FeatureNameIndirectFirstInstance FeatureName = C.WGPUFeatureName_IndirectFirstInstance // IndirectFirstInstance
FeatureNameShaderF16 FeatureName = C.WGPUFeatureName_ShaderF16 // ShaderF16
FeatureNameRG11B10UfloatRenderable FeatureName = C.WGPUFeatureName_RG11B10UfloatRenderable // RG11B10UfloatRenderable
FeatureNameBGRA8UnormStorage FeatureName = C.WGPUFeatureName_BGRA8UnormStorage // BGRA8UnormStorage
FeatureNameFloat32Filterable FeatureName = C.WGPUFeatureName_Float32Filterable // Float32Filterable
)
const (
PowerPreferenceUndefined PowerPreference = C.WGPUPowerPreference_Undefined // Undefined
PowerPreferenceLowPower PowerPreference = C.WGPUPowerPreference_LowPower // LowPower
PowerPreferenceHighPerformance PowerPreference = C.WGPUPowerPreference_HighPerformance // HighPerformance
)
const (
BackendTypeUndefined BackendType = C.WGPUBackendType_Undefined // Undefined
BackendTypeNull BackendType = C.WGPUBackendType_Null // Null
BackendTypeWebGPU BackendType = C.WGPUBackendType_WebGPU // WebGPU
BackendTypeD3D11 BackendType = C.WGPUBackendType_D3D11 // D3D11
BackendTypeD3D12 BackendType = C.WGPUBackendType_D3D12 // D3D12
BackendTypeMetal BackendType = C.WGPUBackendType_Metal // Metal
BackendTypeVulkan BackendType = C.WGPUBackendType_Vulkan // Vulkan
BackendTypeOpenGL BackendType = C.WGPUBackendType_OpenGL // OpenGL
BackendTypeOpenGLES BackendType = C.WGPUBackendType_OpenGLES // OpenGLES
)
const (
AdapterTypeDiscreteGPU AdapterType = C.WGPUAdapterType_DiscreteGPU // DiscreteGPU
AdapterTypeIntegratedGPU AdapterType = C.WGPUAdapterType_IntegratedGPU // IntegratedGPU
AdapterTypeCPU AdapterType = C.WGPUAdapterType_CPU // CPU
AdapterTypeUnknown AdapterType = C.WGPUAdapterType_Unknown // Unknown
)
const (
DeviceLostReasonUndefined DeviceLostReason = C.WGPUDeviceLostReason_Undefined // Undefined
DeviceLostReasonDestroyed DeviceLostReason = C.WGPUDeviceLostReason_Destroyed // Destroyed
)
const (
ErrorFilterValidation ErrorFilter = C.WGPUErrorFilter_Validation // Validation
ErrorFilterOutOfMemory ErrorFilter = C.WGPUErrorFilter_OutOfMemory // OutOfMemory
ErrorFilterInternal ErrorFilter = C.WGPUErrorFilter_Internal // Internal
)
const (
PrimitiveTopologyPointList PrimitiveTopology = C.WGPUPrimitiveTopology_PointList // PointList
PrimitiveTopologyLineList PrimitiveTopology = C.WGPUPrimitiveTopology_LineList // LineList
PrimitiveTopologyLineStrip PrimitiveTopology = C.WGPUPrimitiveTopology_LineStrip // LineStrip
PrimitiveTopologyTriangleList PrimitiveTopology = C.WGPUPrimitiveTopology_TriangleList // TriangleList
PrimitiveTopologyTriangleStrip PrimitiveTopology = C.WGPUPrimitiveTopology_TriangleStrip // TriangleStrip
)
const (
IndexFormatUndefined IndexFormat = C.WGPUIndexFormat_Undefined // Undefined
IndexFormatUint16 IndexFormat = C.WGPUIndexFormat_Uint16 // Uint16
IndexFormatUint32 IndexFormat = C.WGPUIndexFormat_Uint32 // Uint32
)
const (
FrontFaceCCW FrontFace = C.WGPUFrontFace_CCW // CCW
FrontFaceCW FrontFace = C.WGPUFrontFace_CW // CW
)
const (
CullModeNone CullMode = C.WGPUCullMode_None // None
CullModeFront CullMode = C.WGPUCullMode_Front // Front
CullModeBack CullMode = C.WGPUCullMode_Back // Back
)
const (
TextureFormatUndefined TextureFormat = C.WGPUTextureFormat_Undefined // Undefined
TextureFormatR8Unorm TextureFormat = C.WGPUTextureFormat_R8Unorm // R8Unorm
TextureFormatR8Snorm TextureFormat = C.WGPUTextureFormat_R8Snorm // R8Snorm
TextureFormatR8Uint TextureFormat = C.WGPUTextureFormat_R8Uint // R8Uint
TextureFormatR8Sint TextureFormat = C.WGPUTextureFormat_R8Sint // R8Sint
TextureFormatR16Uint TextureFormat = C.WGPUTextureFormat_R16Uint // R16Uint
TextureFormatR16Sint TextureFormat = C.WGPUTextureFormat_R16Sint // R16Sint
TextureFormatR16Float TextureFormat = C.WGPUTextureFormat_R16Float // R16Float
TextureFormatRG8Unorm TextureFormat = C.WGPUTextureFormat_RG8Unorm // RG8Unorm
TextureFormatRG8Snorm TextureFormat = C.WGPUTextureFormat_RG8Snorm // RG8Snorm
TextureFormatRG8Uint TextureFormat = C.WGPUTextureFormat_RG8Uint // RG8Uint
TextureFormatRG8Sint TextureFormat = C.WGPUTextureFormat_RG8Sint // RG8Sint
TextureFormatR32Float TextureFormat = C.WGPUTextureFormat_R32Float // R32Float
TextureFormatR32Uint TextureFormat = C.WGPUTextureFormat_R32Uint // R32Uint
TextureFormatR32Sint TextureFormat = C.WGPUTextureFormat_R32Sint // R32Sint
TextureFormatRG16Uint TextureFormat = C.WGPUTextureFormat_RG16Uint // RG16Uint
TextureFormatRG16Sint TextureFormat = C.WGPUTextureFormat_RG16Sint // RG16Sint
TextureFormatRG16Float TextureFormat = C.WGPUTextureFormat_RG16Float // RG16Float
TextureFormatRGBA8Unorm TextureFormat = C.WGPUTextureFormat_RGBA8Unorm // RGBA8Unorm
TextureFormatRGBA8UnormSrgb TextureFormat = C.WGPUTextureFormat_RGBA8UnormSrgb // RGBA8UnormSrgb
TextureFormatRGBA8Snorm TextureFormat = C.WGPUTextureFormat_RGBA8Snorm // RGBA8Snorm
TextureFormatRGBA8Uint TextureFormat = C.WGPUTextureFormat_RGBA8Uint // RGBA8Uint
TextureFormatRGBA8Sint TextureFormat = C.WGPUTextureFormat_RGBA8Sint // RGBA8Sint
TextureFormatBGRA8Unorm TextureFormat = C.WGPUTextureFormat_BGRA8Unorm // BGRA8Unorm
TextureFormatBGRA8UnormSrgb TextureFormat = C.WGPUTextureFormat_BGRA8UnormSrgb // BGRA8UnormSrgb
TextureFormatRGB10A2Uint TextureFormat = C.WGPUTextureFormat_RGB10A2Uint // RGB10A2Uint
TextureFormatRGB10A2Unorm TextureFormat = C.WGPUTextureFormat_RGB10A2Unorm // RGB10A2Unorm
TextureFormatRG11B10Ufloat TextureFormat = C.WGPUTextureFormat_RG11B10Ufloat // RG11B10Ufloat
TextureFormatRGB9E5Ufloat TextureFormat = C.WGPUTextureFormat_RGB9E5Ufloat // RGB9E5Ufloat
TextureFormatRG32Float TextureFormat = C.WGPUTextureFormat_RG32Float // RG32Float
TextureFormatRG32Uint TextureFormat = C.WGPUTextureFormat_RG32Uint // RG32Uint
TextureFormatRG32Sint TextureFormat = C.WGPUTextureFormat_RG32Sint // RG32Sint
TextureFormatRGBA16Uint TextureFormat = C.WGPUTextureFormat_RGBA16Uint // RGBA16Uint
TextureFormatRGBA16Sint TextureFormat = C.WGPUTextureFormat_RGBA16Sint // RGBA16Sint
TextureFormatRGBA16Float TextureFormat = C.WGPUTextureFormat_RGBA16Float // RGBA16Float
TextureFormatRGBA32Float TextureFormat = C.WGPUTextureFormat_RGBA32Float // RGBA32Float
TextureFormatRGBA32Uint TextureFormat = C.WGPUTextureFormat_RGBA32Uint // RGBA32Uint
TextureFormatRGBA32Sint TextureFormat = C.WGPUTextureFormat_RGBA32Sint // RGBA32Sint
TextureFormatStencil8 TextureFormat = C.WGPUTextureFormat_Stencil8 // Stencil8
TextureFormatDepth16Unorm TextureFormat = C.WGPUTextureFormat_Depth16Unorm // Depth16Unorm
TextureFormatDepth24Plus TextureFormat = C.WGPUTextureFormat_Depth24Plus // Depth24Plus
TextureFormatDepth24PlusStencil8 TextureFormat = C.WGPUTextureFormat_Depth24PlusStencil8 // Depth24PlusStencil8
TextureFormatDepth32Float TextureFormat = C.WGPUTextureFormat_Depth32Float // Depth32Float
TextureFormatDepth32FloatStencil8 TextureFormat = C.WGPUTextureFormat_Depth32FloatStencil8 // Depth32FloatStencil8
TextureFormatBC1RGBAUnorm TextureFormat = C.WGPUTextureFormat_BC1RGBAUnorm // BC1RGBAUnorm
TextureFormatBC1RGBAUnormSrgb TextureFormat = C.WGPUTextureFormat_BC1RGBAUnormSrgb // BC1RGBAUnormSrgb
TextureFormatBC2RGBAUnorm TextureFormat = C.WGPUTextureFormat_BC2RGBAUnorm // BC2RGBAUnorm
TextureFormatBC2RGBAUnormSrgb TextureFormat = C.WGPUTextureFormat_BC2RGBAUnormSrgb // BC2RGBAUnormSrgb
TextureFormatBC3RGBAUnorm TextureFormat = C.WGPUTextureFormat_BC3RGBAUnorm // BC3RGBAUnorm
TextureFormatBC3RGBAUnormSrgb TextureFormat = C.WGPUTextureFormat_BC3RGBAUnormSrgb // BC3RGBAUnormSrgb
TextureFormatBC4RUnorm TextureFormat = C.WGPUTextureFormat_BC4RUnorm // BC4RUnorm
TextureFormatBC4RSnorm TextureFormat = C.WGPUTextureFormat_BC4RSnorm // BC4RSnorm
TextureFormatBC5RGUnorm TextureFormat = C.WGPUTextureFormat_BC5RGUnorm // BC5RGUnorm
TextureFormatBC5RGSnorm TextureFormat = C.WGPUTextureFormat_BC5RGSnorm // BC5RGSnorm
TextureFormatBC6HRGBUfloat TextureFormat = C.WGPUTextureFormat_BC6HRGBUfloat // BC6HRGBUfloat
TextureFormatBC6HRGBFloat TextureFormat = C.WGPUTextureFormat_BC6HRGBFloat // BC6HRGBFloat
TextureFormatBC7RGBAUnorm TextureFormat = C.WGPUTextureFormat_BC7RGBAUnorm // BC7RGBAUnorm
TextureFormatBC7RGBAUnormSrgb TextureFormat = C.WGPUTextureFormat_BC7RGBAUnormSrgb // BC7RGBAUnormSrgb
TextureFormatETC2RGB8Unorm TextureFormat = C.WGPUTextureFormat_ETC2RGB8Unorm // ETC2RGB8Unorm
TextureFormatETC2RGB8UnormSrgb TextureFormat = C.WGPUTextureFormat_ETC2RGB8UnormSrgb // ETC2RGB8UnormSrgb
TextureFormatETC2RGB8A1Unorm TextureFormat = C.WGPUTextureFormat_ETC2RGB8A1Unorm // ETC2RGB8A1Unorm
TextureFormatETC2RGB8A1UnormSrgb TextureFormat = C.WGPUTextureFormat_ETC2RGB8A1UnormSrgb // ETC2RGB8A1UnormSrgb
TextureFormatETC2RGBA8Unorm TextureFormat = C.WGPUTextureFormat_ETC2RGBA8Unorm // ETC2RGBA8Unorm
TextureFormatETC2RGBA8UnormSrgb TextureFormat = C.WGPUTextureFormat_ETC2RGBA8UnormSrgb // ETC2RGBA8UnormSrgb
TextureFormatEACR11Unorm TextureFormat = C.WGPUTextureFormat_EACR11Unorm // EACR11Unorm
TextureFormatEACR11Snorm TextureFormat = C.WGPUTextureFormat_EACR11Snorm // EACR11Snorm
TextureFormatEACRG11Unorm TextureFormat = C.WGPUTextureFormat_EACRG11Unorm // EACRG11Unorm
TextureFormatEACRG11Snorm TextureFormat = C.WGPUTextureFormat_EACRG11Snorm // EACRG11Snorm
TextureFormatASTC4x4Unorm TextureFormat = C.WGPUTextureFormat_ASTC4x4Unorm // ASTC4x4Unorm
TextureFormatASTC4x4UnormSrgb TextureFormat = C.WGPUTextureFormat_ASTC4x4UnormSrgb // ASTC4x4UnormSrgb
TextureFormatASTC5x4Unorm TextureFormat = C.WGPUTextureFormat_ASTC5x4Unorm // ASTC5x4Unorm
TextureFormatASTC5x4UnormSrgb TextureFormat = C.WGPUTextureFormat_ASTC5x4UnormSrgb // ASTC5x4UnormSrgb
TextureFormatASTC5x5Unorm TextureFormat = C.WGPUTextureFormat_ASTC5x5Unorm // ASTC5x5Unorm
TextureFormatASTC5x5UnormSrgb TextureFormat = C.WGPUTextureFormat_ASTC5x5UnormSrgb // ASTC5x5UnormSrgb
TextureFormatASTC6x5Unorm TextureFormat = C.WGPUTextureFormat_ASTC6x5Unorm // ASTC6x5Unorm
TextureFormatASTC6x5UnormSrgb TextureFormat = C.WGPUTextureFormat_ASTC6x5UnormSrgb // ASTC6x5UnormSrgb
TextureFormatASTC6x6Unorm TextureFormat = C.WGPUTextureFormat_ASTC6x6Unorm // ASTC6x6Unorm
TextureFormatASTC6x6UnormSrgb TextureFormat = C.WGPUTextureFormat_ASTC6x6UnormSrgb // ASTC6x6UnormSrgb
TextureFormatASTC8x5Unorm TextureFormat = C.WGPUTextureFormat_ASTC8x5Unorm // ASTC8x5Unorm
TextureFormatASTC8x5UnormSrgb TextureFormat = C.WGPUTextureFormat_ASTC8x5UnormSrgb // ASTC8x5UnormSrgb
TextureFormatASTC8x6Unorm TextureFormat = C.WGPUTextureFormat_ASTC8x6Unorm // ASTC8x6Unorm
TextureFormatASTC8x6UnormSrgb TextureFormat = C.WGPUTextureFormat_ASTC8x6UnormSrgb // ASTC8x6UnormSrgb
TextureFormatASTC8x8Unorm TextureFormat = C.WGPUTextureFormat_ASTC8x8Unorm // ASTC8x8Unorm
TextureFormatASTC8x8UnormSrgb TextureFormat = C.WGPUTextureFormat_ASTC8x8UnormSrgb // ASTC8x8UnormSrgb
TextureFormatASTC10x5Unorm TextureFormat = C.WGPUTextureFormat_ASTC10x5Unorm // ASTC10x5Unorm
TextureFormatASTC10x5UnormSrgb TextureFormat = C.WGPUTextureFormat_ASTC10x5UnormSrgb // ASTC10x5UnormSrgb
TextureFormatASTC10x6Unorm TextureFormat = C.WGPUTextureFormat_ASTC10x6Unorm // ASTC10x6Unorm
TextureFormatASTC10x6UnormSrgb TextureFormat = C.WGPUTextureFormat_ASTC10x6UnormSrgb // ASTC10x6UnormSrgb
TextureFormatASTC10x8Unorm TextureFormat = C.WGPUTextureFormat_ASTC10x8Unorm // ASTC10x8Unorm
TextureFormatASTC10x8UnormSrgb TextureFormat = C.WGPUTextureFormat_ASTC10x8UnormSrgb // ASTC10x8UnormSrgb
TextureFormatASTC10x10Unorm TextureFormat = C.WGPUTextureFormat_ASTC10x10Unorm // ASTC10x10Unorm
TextureFormatASTC10x10UnormSrgb TextureFormat = C.WGPUTextureFormat_ASTC10x10UnormSrgb // ASTC10x10UnormSrgb
TextureFormatASTC12x10Unorm TextureFormat = C.WGPUTextureFormat_ASTC12x10Unorm // ASTC12x10Unorm
TextureFormatASTC12x10UnormSrgb TextureFormat = C.WGPUTextureFormat_ASTC12x10UnormSrgb // ASTC12x10UnormSrgb
TextureFormatASTC12x12Unorm TextureFormat = C.WGPUTextureFormat_ASTC12x12Unorm // ASTC12x12Unorm
TextureFormatASTC12x12UnormSrgb TextureFormat = C.WGPUTextureFormat_ASTC12x12UnormSrgb // ASTC12x12UnormSrgb
)
const (
VertexFormatUndefined VertexFormat = C.WGPUVertexFormat_Undefined // Undefined
VertexFormatUint8x2 VertexFormat = C.WGPUVertexFormat_Uint8x2 // Uint8x2
VertexFormatUint8x4 VertexFormat = C.WGPUVertexFormat_Uint8x4 // Uint8x4
VertexFormatSint8x2 VertexFormat = C.WGPUVertexFormat_Sint8x2 // Sint8x2
VertexFormatSint8x4 VertexFormat = C.WGPUVertexFormat_Sint8x4 // Sint8x4
VertexFormatUnorm8x2 VertexFormat = C.WGPUVertexFormat_Unorm8x2 // Unorm8x2
VertexFormatUnorm8x4 VertexFormat = C.WGPUVertexFormat_Unorm8x4 // Unorm8x4
VertexFormatSnorm8x2 VertexFormat = C.WGPUVertexFormat_Snorm8x2 // Snorm8x2
VertexFormatSnorm8x4 VertexFormat = C.WGPUVertexFormat_Snorm8x4 // Snorm8x4
VertexFormatUint16x2 VertexFormat = C.WGPUVertexFormat_Uint16x2 // Uint16x2
VertexFormatUint16x4 VertexFormat = C.WGPUVertexFormat_Uint16x4 // Uint16x4
VertexFormatSint16x2 VertexFormat = C.WGPUVertexFormat_Sint16x2 // Sint16x2
VertexFormatSint16x4 VertexFormat = C.WGPUVertexFormat_Sint16x4 // Sint16x4
VertexFormatUnorm16x2 VertexFormat = C.WGPUVertexFormat_Unorm16x2 // Unorm16x2
VertexFormatUnorm16x4 VertexFormat = C.WGPUVertexFormat_Unorm16x4 // Unorm16x4
VertexFormatSnorm16x2 VertexFormat = C.WGPUVertexFormat_Snorm16x2 // Snorm16x2
VertexFormatSnorm16x4 VertexFormat = C.WGPUVertexFormat_Snorm16x4 // Snorm16x4
VertexFormatFloat16x2 VertexFormat = C.WGPUVertexFormat_Float16x2 // Float16x2
VertexFormatFloat16x4 VertexFormat = C.WGPUVertexFormat_Float16x4 // Float16x4
VertexFormatFloat32 VertexFormat = C.WGPUVertexFormat_Float32 // Float32
VertexFormatFloat32x2 VertexFormat = C.WGPUVertexFormat_Float32x2 // Float32x2
VertexFormatFloat32x3 VertexFormat = C.WGPUVertexFormat_Float32x3 // Float32x3
VertexFormatFloat32x4 VertexFormat = C.WGPUVertexFormat_Float32x4 // Float32x4
VertexFormatUint32 VertexFormat = C.WGPUVertexFormat_Uint32 // Uint32
VertexFormatUint32x2 VertexFormat = C.WGPUVertexFormat_Uint32x2 // Uint32x2
VertexFormatUint32x3 VertexFormat = C.WGPUVertexFormat_Uint32x3 // Uint32x3
VertexFormatUint32x4 VertexFormat = C.WGPUVertexFormat_Uint32x4 // Uint32x4
VertexFormatSint32 VertexFormat = C.WGPUVertexFormat_Sint32 // Sint32
VertexFormatSint32x2 VertexFormat = C.WGPUVertexFormat_Sint32x2 // Sint32x2
VertexFormatSint32x3 VertexFormat = C.WGPUVertexFormat_Sint32x3 // Sint32x3
VertexFormatSint32x4 VertexFormat = C.WGPUVertexFormat_Sint32x4 // Sint32x4
)
const (
CompareFunctionUndefined CompareFunction = C.WGPUCompareFunction_Undefined // Undefined
CompareFunctionNever CompareFunction = C.WGPUCompareFunction_Never // Never
CompareFunctionLess CompareFunction = C.WGPUCompareFunction_Less // Less
CompareFunctionLessEqual CompareFunction = C.WGPUCompareFunction_LessEqual // LessEqual
CompareFunctionGreater CompareFunction = C.WGPUCompareFunction_Greater // Greater
CompareFunctionGreaterEqual CompareFunction = C.WGPUCompareFunction_GreaterEqual // GreaterEqual
CompareFunctionEqual CompareFunction = C.WGPUCompareFunction_Equal // Equal
CompareFunctionNotEqual CompareFunction = C.WGPUCompareFunction_NotEqual // NotEqual
CompareFunctionAlways CompareFunction = C.WGPUCompareFunction_Always // Always
)
const (
StencilOperationKeep StencilOperation = C.WGPUStencilOperation_Keep // Keep
StencilOperationZero StencilOperation = C.WGPUStencilOperation_Zero // Zero
StencilOperationReplace StencilOperation = C.WGPUStencilOperation_Replace // Replace
StencilOperationInvert StencilOperation = C.WGPUStencilOperation_Invert // Invert
StencilOperationIncrementClamp StencilOperation = C.WGPUStencilOperation_IncrementClamp // IncrementClamp
StencilOperationDecrementClamp StencilOperation = C.WGPUStencilOperation_DecrementClamp // DecrementClamp
StencilOperationIncrementWrap StencilOperation = C.WGPUStencilOperation_IncrementWrap // IncrementWrap
StencilOperationDecrementWrap StencilOperation = C.WGPUStencilOperation_DecrementWrap // DecrementWrap
)
const (
BlendOperationAdd BlendOperation = C.WGPUBlendOperation_Add // Add
BlendOperationSubtract BlendOperation = C.WGPUBlendOperation_Subtract // Subtract
BlendOperationReverseSubtract BlendOperation = C.WGPUBlendOperation_ReverseSubtract // ReverseSubtract
BlendOperationMin BlendOperation = C.WGPUBlendOperation_Min // Min
BlendOperationMax BlendOperation = C.WGPUBlendOperation_Max // Max
)
const (
BlendFactorZero BlendFactor = C.WGPUBlendFactor_Zero // Zero
BlendFactorOne BlendFactor = C.WGPUBlendFactor_One // One
BlendFactorSrc BlendFactor = C.WGPUBlendFactor_Src // Src
BlendFactorOneMinusSrc BlendFactor = C.WGPUBlendFactor_OneMinusSrc // OneMinusSrc
BlendFactorSrcAlpha BlendFactor = C.WGPUBlendFactor_SrcAlpha // SrcAlpha
BlendFactorOneMinusSrcAlpha BlendFactor = C.WGPUBlendFactor_OneMinusSrcAlpha // OneMinusSrcAlpha
BlendFactorDst BlendFactor = C.WGPUBlendFactor_Dst // Dst
BlendFactorOneMinusDst BlendFactor = C.WGPUBlendFactor_OneMinusDst // OneMinusDst
BlendFactorDstAlpha BlendFactor = C.WGPUBlendFactor_DstAlpha // DstAlpha
BlendFactorOneMinusDstAlpha BlendFactor = C.WGPUBlendFactor_OneMinusDstAlpha // OneMinusDstAlpha
BlendFactorSrcAlphaSaturated BlendFactor = C.WGPUBlendFactor_SrcAlphaSaturated // SrcAlphaSaturated
BlendFactorConstant BlendFactor = C.WGPUBlendFactor_Constant // Constant
BlendFactorOneMinusConstant BlendFactor = C.WGPUBlendFactor_OneMinusConstant // OneMinusConstant
)
const (
ColorWriteMaskNone ColorWriteMask = C.WGPUColorWriteMask_None // None
ColorWriteMaskRed ColorWriteMask = C.WGPUColorWriteMask_Red // Red
ColorWriteMaskGreen ColorWriteMask = C.WGPUColorWriteMask_Green // Green
ColorWriteMaskBlue ColorWriteMask = C.WGPUColorWriteMask_Blue // Blue
ColorWriteMaskAlpha ColorWriteMask = C.WGPUColorWriteMask_Alpha // Alpha
ColorWriteMaskAll ColorWriteMask = C.WGPUColorWriteMask_All // All
)
const (
VertexStepModeVertex VertexStepMode = C.WGPUVertexStepMode_Vertex // Vertex
VertexStepModeInstance VertexStepMode = C.WGPUVertexStepMode_Instance // Instance
VertexStepModeVertexBufferNotUsed VertexStepMode = C.WGPUVertexStepMode_VertexBufferNotUsed // VertexBufferNotUsed
)
const (
PresentModeFifo PresentMode = C.WGPUPresentMode_Fifo // Fifo
PresentModeFifoRelaxed PresentMode = C.WGPUPresentMode_FifoRelaxed // FifoRelaxed
PresentModeImmediate PresentMode = C.WGPUPresentMode_Immediate // Immediate
PresentModeMailbox PresentMode = C.WGPUPresentMode_Mailbox // Mailbox
)
const (
CompositeAlphaModeAuto CompositeAlphaMode = C.WGPUCompositeAlphaMode_Auto // Auto
CompositeAlphaModeOpaque CompositeAlphaMode = C.WGPUCompositeAlphaMode_Opaque // Opaque
CompositeAlphaModePremultiplied CompositeAlphaMode = C.WGPUCompositeAlphaMode_Premultiplied // Premultiplied
CompositeAlphaModeUnpremultiplied CompositeAlphaMode = C.WGPUCompositeAlphaMode_Unpremultiplied // Unpremultiplied
CompositeAlphaModeInherit CompositeAlphaMode = C.WGPUCompositeAlphaMode_Inherit // Inherit
)
const (
TextureUsageNone TextureUsage = C.WGPUTextureUsage_None // None
TextureUsageCopySrc TextureUsage = C.WGPUTextureUsage_CopySrc // CopySrc
TextureUsageCopyDst TextureUsage = C.WGPUTextureUsage_CopyDst // CopyDst
TextureUsageTextureBinding TextureUsage = C.WGPUTextureUsage_TextureBinding // TextureBinding
TextureUsageStorageBinding TextureUsage = C.WGPUTextureUsage_StorageBinding // StorageBinding
TextureUsageRenderAttachment TextureUsage = C.WGPUTextureUsage_RenderAttachment // RenderAttachment
)
const (
TextureViewDimensionUndefined TextureViewDimension = C.WGPUTextureViewDimension_Undefined // undefined
TextureViewDimension1D TextureViewDimension = C.WGPUTextureViewDimension_1D // 1D
TextureViewDimension2D TextureViewDimension = C.WGPUTextureViewDimension_2D // 2D
TextureViewDimension2DArray TextureViewDimension = C.WGPUTextureViewDimension_2DArray // 2DArray
TextureViewDimensionCube TextureViewDimension = C.WGPUTextureViewDimension_Cube // Cube
TextureViewDimensionCubeArray TextureViewDimension = C.WGPUTextureViewDimension_CubeArray // CubeArray
TextureViewDimension3D TextureViewDimension = C.WGPUTextureViewDimension_3D // 3D
)
const (
TextureAspectAll TextureAspect = C.WGPUTextureAspect_All // All
TextureAspectStencilOnly TextureAspect = C.WGPUTextureAspect_StencilOnly // StencilOnly
TextureAspectDepthOnly TextureAspect = C.WGPUTextureAspect_DepthOnly // DepthOnly
)
const (
LoadOpUndefined LoadOp = C.WGPULoadOp_Undefined // Undefined
LoadOpClear LoadOp = C.WGPULoadOp_Clear // Clear
LoadOpLoad LoadOp = C.WGPULoadOp_Load // Load
)
const (
StoreOpUndefined StoreOp = C.WGPUStoreOp_Undefined // Undefined
StoreOpStore StoreOp = C.WGPUStoreOp_Store // Store
StoreOpDiscard StoreOp = C.WGPUStoreOp_Discard // Discard
)
const (
QueryTypeOcclusion QueryType = C.WGPUQueryType_Occlusion // Occlusion
QueryTypeTimestamp QueryType = C.WGPUQueryType_Timestamp // Timestamp
)
const (
BufferUsageNone BufferUsage = C.WGPUBufferUsage_None // None
BufferUsageMapRead BufferUsage = C.WGPUBufferUsage_MapRead // MapRead
BufferUsageMapWrite BufferUsage = C.WGPUBufferUsage_MapWrite // MapWrite
BufferUsageCopySrc BufferUsage = C.WGPUBufferUsage_CopySrc // CopySrc
BufferUsageCopyDst BufferUsage = C.WGPUBufferUsage_CopyDst // CopyDst
BufferUsageIndex BufferUsage = C.WGPUBufferUsage_Index // Index
BufferUsageVertex BufferUsage = C.WGPUBufferUsage_Vertex // Vertex
BufferUsageUniform BufferUsage = C.WGPUBufferUsage_Uniform // Uniform
BufferUsageStorage BufferUsage = C.WGPUBufferUsage_Storage // Storage
BufferUsageIndirect BufferUsage = C.WGPUBufferUsage_Indirect // Indirect
BufferUsageQueryResolve BufferUsage = C.WGPUBufferUsage_QueryResolve // QueryResolve
)
const (
MapModeNone MapMode = C.WGPUMapMode_None // None
MapModeRead MapMode = C.WGPUMapMode_Read // Read
MapModeWrite MapMode = C.WGPUMapMode_Write // Write
)
const (
BufferMapStateUnmapped BufferMapState = C.WGPUBufferMapState_Unmapped // Unmapped
BufferMapStatePending BufferMapState = C.WGPUBufferMapState_Pending // Pending
BufferMapStateMapped BufferMapState = C.WGPUBufferMapState_Mapped // Mapped
)
const (
ShaderStageNone ShaderStage = C.WGPUShaderStage_None // None
ShaderStageVertex ShaderStage = C.WGPUShaderStage_Vertex // Vertex
ShaderStageFragment ShaderStage = C.WGPUShaderStage_Fragment // Fragment
ShaderStageCompute ShaderStage = C.WGPUShaderStage_Compute // Compute
)
const (
BufferBindingTypeUndefined BufferBindingType = C.WGPUBufferBindingType_Undefined // Undefined
BufferBindingTypeUniform BufferBindingType = C.WGPUBufferBindingType_Uniform // Uniform
BufferBindingTypeStorage BufferBindingType = C.WGPUBufferBindingType_Storage // Storage
BufferBindingTypeReadOnlyStorage BufferBindingType = C.WGPUBufferBindingType_ReadOnlyStorage // ReadOnlyStorage
)
const (
SamplerBindingTypeUndefined SamplerBindingType = C.WGPUSamplerBindingType_Undefined // Undefined
SamplerBindingTypeFiltering SamplerBindingType = C.WGPUSamplerBindingType_Filtering // Filtering
SamplerBindingTypeNonFiltering SamplerBindingType = C.WGPUSamplerBindingType_NonFiltering // NonFiltering
SamplerBindingTypeComparison SamplerBindingType = C.WGPUSamplerBindingType_Comparison // Comparison
)
const (
TextureSampleTypeUndefined TextureSampleType = C.WGPUTextureSampleType_Undefined // Undefined
TextureSampleTypeFloat TextureSampleType = C.WGPUTextureSampleType_Float // Float
TextureSampleTypeUnfilterableFloat TextureSampleType = C.WGPUTextureSampleType_UnfilterableFloat // UnfilterableFloat
TextureSampleTypeDepth TextureSampleType = C.WGPUTextureSampleType_Depth // Depth
TextureSampleTypeSint TextureSampleType = C.WGPUTextureSampleType_Sint // Sint
TextureSampleTypeUint TextureSampleType = C.WGPUTextureSampleType_Uint // Uint
)
const (
StorageTextureAccessUndefined StorageTextureAccess = C.WGPUStorageTextureAccess_Undefined // Undefined
StorageTextureAccessWriteOnly StorageTextureAccess = C.WGPUStorageTextureAccess_WriteOnly // WriteOnly
StorageTextureAccessReadOnly StorageTextureAccess = C.WGPUStorageTextureAccess_ReadOnly // ReadOnly
StorageTextureAccessReadWrite StorageTextureAccess = C.WGPUStorageTextureAccess_ReadWrite // ReadWrite
)
const (
TextureDimension1D TextureDimension = C.WGPUTextureDimension_1D // 1D
TextureDimension2D TextureDimension = C.WGPUTextureDimension_2D // 2D
TextureDimension3D TextureDimension = C.WGPUTextureDimension_3D // 3D
)
const (
AddressModeRepeat AddressMode = C.WGPUAddressMode_Repeat // Repeat
AddressModeMirrorRepeat AddressMode = C.WGPUAddressMode_MirrorRepeat // MirrorRepeat
AddressModeClampToEdge AddressMode = C.WGPUAddressMode_ClampToEdge // ClampToEdge
)
const (
FilterModeNearest FilterMode = C.WGPUFilterMode_Nearest // Nearest
FilterModeLinear FilterMode = C.WGPUFilterMode_Linear // Linear
)
const (
MipmapFilterModeNearest MipmapFilterMode = C.WGPUMipmapFilterMode_Nearest // Nearest
MipmapFilterModeLinear MipmapFilterMode = C.WGPUMipmapFilterMode_Linear // Linear
)
type Adapter C.struct_WGPUAdapterImpl
type BindGroupLayout C.struct_WGPUBindGroupLayoutImpl
type Instance C.struct_WGPUInstanceImpl
type PipelineLayout C.struct_WGPUPipelineLayoutImpl
type Queue C.struct_WGPUQueueImpl
type RenderPipeline C.struct_WGPURenderPipelineImpl
type Surface C.struct_WGPUSurfaceImpl
type Texture C.struct_WGPUTextureImpl
type TextureView C.struct_WGPUTextureViewImpl
type CommandBuffer C.struct_WGPUCommandBufferImpl
type RenderPassEncoder C.struct_WGPURenderPassEncoderImpl
type QuerySet C.struct_WGPUQuerySetImpl
type Buffer C.struct_WGPUBufferImpl
type CommandEncoder C.struct_WGPUCommandEncoderImpl
type ShaderModule C.struct_WGPUShaderModuleImpl
type Sampler C.struct_WGPUSamplerImpl
type BindGroup C.struct_WGPUBindGroupImpl
type ComputePassEncoder C.struct_WGPUComputePassEncoderImpl
type ComputePipeline C.struct_WGPUComputePipelineImpl
type RenderBundle C.struct_WGPURenderBundleImpl
type RenderBundleEncoder C.struct_WGPURenderBundleEncoderImpl
var (
ErrDeviceLost = errors.New("device lost")
ErrUnknown = errors.New("unknown error")
)
var (
ErrCurrentTextureTimeout = errors.New("timeout")
ErrCurrentTextureOutdated = errors.New("outdated")
ErrCurrentTextureLost = errors.New("lost")
ErrCurrentTextureOutOfMemory = errors.New("out of memory")
)
var (
ErrMapValidationError = errors.New("validation error")
ErrMapDestroyedBeforeCallback = errors.New("destroyed before callback")
ErrMapUnmappedBeforeCallback = errors.New("unmapped before callback")
ErrMapMappingAlreadyPending = errors.New("mapping already pending")
ErrMapOffsetOutOfRange = errors.New("offset out of range")
ErrMapSizeOutOfRange = errors.New("size out of range")
)
var cstrings sync.Map
func getString(s string) *C.char {
if c, ok := cstrings.Load(s); ok {
return c.(*C.char)
}
c := C.CString(s)
cstrings.Store(s, c)
return c
}
type Device struct {
hnd C.WGPUDevice
lost chan DeviceLost
mapMu sync.Mutex
// This may roll over on 32 bit, but if that results in a collision we'll
// have other problems (such as a handle having stuck around for months).
mapCounter uintptr
mapHandles map[uintptr]struct {
pinner runtime.Pinner
ch chan<- error
}
}
type DeviceLost struct {
Device *Device
Reason DeviceLostReason
Message string
}
type SurfaceCapabilities struct {
Formats []TextureFormat
PresentModes []PresentMode
AlphaModes []CompositeAlphaMode
}
func (s *Surface) Capabilities(adapter *Adapter) SurfaceCapabilities {
var caps C.WGPUSurfaceCapabilities
C.wgpuSurfaceGetCapabilities(s.c(), adapter.c(), &caps)
formats := cloneCArray[TextureFormat](caps.formats, caps.formatCount)
presentModes := cloneCArray[PresentMode](caps.presentModes, caps.presentModeCount)
alphaModes := cloneCArray[CompositeAlphaMode](caps.alphaModes, caps.alphaModeCount)
C.wgpuSurfaceCapabilitiesFreeMembers(caps)
return SurfaceCapabilities{
Formats: formats,
PresentModes: presentModes,
AlphaModes: alphaModes,
}
}
type instanceRequestAdapterResult struct {
status requestAdapterStatus
adapter C.WGPUAdapter
msg string
called bool
}
type InstanceDescriptor struct {
Extras *InstanceExtras
}
type AndroidNativeWindow struct {
Window unsafe.Pointer
}
type MetalLayer struct {
Layer unsafe.Pointer
}
type WaylandSurface struct {
Label string
Display unsafe.Pointer
Surface unsafe.Pointer
}
type WindowsHWND struct {
HINSTANCE unsafe.Pointer
HWND unsafe.Pointer
}
type XCBWindow struct {
Connection unsafe.Pointer
Window uint32
}
type XlibWindow struct {
Display unsafe.Pointer
Window uint64
}
var _ NativeSurface = AndroidNativeWindow{}
var _ NativeSurface = MetalLayer{}
var _ NativeSurface = WaylandSurface{}
var _ NativeSurface = WindowsHWND{}
var _ NativeSurface = XCBWindow{}
var _ NativeSurface = XlibWindow{}
func (AndroidNativeWindow) nativeSurface() {}
func (MetalLayer) nativeSurface() {}
func (WaylandSurface) nativeSurface() {}
func (WindowsHWND) nativeSurface() {}
func (XCBWindow) nativeSurface() {}
func (XlibWindow) nativeSurface() {}
// CloneCArray copies the elements of a dynamic C array (i.e. a pointer + a
// number of elements) into a newly allocated Go slice. It will convert from TC
// to TG in the process, requiring them to have the same size and memory layout.
func cloneCArray[TG, TC any, Int constraints.Integer](ptr *TC, n Int) []TG {
if ptr == nil {
return nil
}
if n == 0 {
return []TG{}
}
if unsafe.Sizeof(*new(TC)) != unsafe.Sizeof(*new(TG)) {
panic("TC and TG have different sizes")
}
out := make([]TG, n)
in := unsafe.Slice(safeish.Cast[*TG](ptr), n)
copy(out, in)
return out
}
func calloc[T any]() *T {
return (*T)(C.calloc(C.size_t(unsafe.Sizeof(*new(T))), 1))
}
func callocn[T any](n int) []T {
ptr := (*T)(C.calloc(C.size_t(unsafe.Sizeof(*new(T))), C.size_t(n)))
return unsafe.Slice(ptr, n)
}
func valloc[T any](v T) *T {
ptr := (*T)(C.malloc(C.size_t(unsafe.Sizeof(*new(T)))))
*ptr = v
return ptr
}
func free[T any](ptr *T) {
C.free(up(ptr))
}
func freen[E any, T ~[]E](ptr T) {
free(unsafe.SliceData(ptr))
}
func maybeCall(fn func()) {
if fn != nil {
fn()
}
}
func cstring(s string) *C.char {
if s == "" {
return nil
}
return C.CString(s)
}
func CreateInstance(desc InstanceDescriptor) *Instance {
cdesc := calloc[C.WGPUInstanceDescriptor]()
defer free(cdesc)
if desc.Extras != nil {
chain := calloc[C.WGPUInstanceExtras]()
defer free(chain)
chain.chain.sType = C.WGPUSType_InstanceExtras
chain.backends = C.WGPUInstanceBackendFlags(desc.Extras.Backends)
chain.flags = C.WGPUInstanceFlags(desc.Extras.Flags)
chain.dx12ShaderCompiler = C.WGPUDx12Compiler(desc.Extras.DX12ShaderCompiler)
chain.gles3MinorVersion = C.WGPUGles3MinorVersion(desc.Extras.GLES3MinorVersion)
chain.dxilPath = cstring(desc.Extras.DXILPath)
chain.dxcPath = cstring(desc.Extras.DXCPath)
defer free(chain.dxilPath)
defer free(chain.dxcPath)
cdesc.nextInChain = &chain.chain
}
hnd := C.wgpuCreateInstance(cdesc)
return safeish.Cast[*Instance](hnd)
}
// One of AndroidNativeWindow, MetalLayer, WaylandSurface, WindowsHWND,
// XCBWindow, or XlibWindow.
type NativeSurface interface {
nativeSurface()
}
type SurfaceDescriptor struct {
Label string
Native NativeSurface
}
func (ins *Instance) CreateSurface(desc SurfaceDescriptor) *Surface {
cdesc := &C.WGPUSurfaceDescriptor{
label: getString(desc.Label),
}
native := desc.Native
switch native := native.(type) {
case AndroidNativeWindow:
chain := calloc[C.WGPUSurfaceDescriptorFromAndroidNativeWindow]()
defer free(chain)
chain.chain.sType = C.WGPUSType_SurfaceDescriptorFromAndroidNativeWindow
chain.window = native.Window
cdesc.nextInChain = &chain.chain
case MetalLayer:
chain := calloc[C.WGPUSurfaceDescriptorFromMetalLayer]()
defer free(chain)
chain.chain.sType = C.WGPUSType_SurfaceDescriptorFromMetalLayer
chain.layer = native.Layer
cdesc.nextInChain = &chain.chain
case WaylandSurface:
chain := calloc[C.WGPUSurfaceDescriptorFromWaylandSurface]()
defer free(chain)
chain.chain.sType = C.WGPUSType_SurfaceDescriptorFromWaylandSurface
chain.display = native.Display
chain.surface = native.Surface
cdesc.nextInChain = &chain.chain
case WindowsHWND:
chain := calloc[C.WGPUSurfaceDescriptorFromWindowsHWND]()
defer free(chain)
chain.chain.sType = C.WGPUSType_SurfaceDescriptorFromWindowsHWND
chain.hinstance = native.HINSTANCE
chain.hwnd = native.HWND
cdesc.nextInChain = &chain.chain
case XCBWindow:
chain := calloc[C.WGPUSurfaceDescriptorFromXcbWindow]()
defer free(chain)
chain.chain.sType = C.WGPUSType_SurfaceDescriptorFromXcbWindow
chain.connection = native.Connection
chain.window = C.uint32_t(native.Window)
cdesc.nextInChain = &chain.chain
case XlibWindow:
chain := calloc[C.WGPUSurfaceDescriptorFromXlibWindow]()
defer free(chain)
chain.chain.sType = C.WGPUSType_SurfaceDescriptorFromXlibWindow
chain.display = native.Display
chain.window = C.uint64_t(native.Window)
cdesc.nextInChain = &chain.chain
case nil:
default:
panic(fmt.Sprintf("unhandled type %T", native))
}
hnd := C.wgpuInstanceCreateSurface(ins.c(), cdesc)
return safeish.Cast[*Surface](hnd)
}
type RequestAdapterOptions struct {
CompatibleSurface *Surface
PowerPreference PowerPreference
ForceFallbackAdapter bool
// wgpu doesn't support BackendType and requires the use of InstanceExtras.Backends
// with InstanceDescriptor instead.
}
func toBool(b bool) C.WGPUBool {
if b {
return 1
} else {
return 0
}
}
func (ins *Instance) RequestAdapter(desc RequestAdapterOptions) (*Adapter, error) {
var ret instanceRequestAdapterResult
cdesc := valloc(C.WGPURequestAdapterOptions{
compatibleSurface: desc.CompatibleSurface.c(),
powerPreference: C.WGPUPowerPreference(desc.PowerPreference),
backendType: C.WGPUBackendType_Undefined,
forceFallbackAdapter: toBool(desc.ForceFallbackAdapter),
})
defer free(cdesc)
C.wgpuInstanceRequestAdapter(ins.c(), cdesc, fp(C.requestAdapterCallback), up(&ret))
if !ret.called {
panic("callback wasn't called")
}
switch ret.status {
case requestAdapterStatusSuccess:
return safeish.Cast[*Adapter](ret.adapter), nil
case requestAdapterStatusUnavailable:
return nil, ErrAdapterUnavailable
default:
return nil, RequestAdapterError{Message: ret.msg}
}
}
//export requestAdapterCallback
func requestAdapterCallback(
status C.WGPURequestAdapterStatus,
adapter C.WGPUAdapter,
msg *C.char,
data up,
) {
ret := (*instanceRequestAdapterResult)(data)
ret.status = requestAdapterStatus(status)
ret.adapter = adapter
ret.msg = C.GoString(msg)
ret.called = true
}
//export requestDeviceCallback
func requestDeviceCallback(
status C.WGPURequestDeviceStatus,
device C.WGPUDevice,
msg *C.char,
data up,
) {
ret := (*adapterRequestDeviceResult)(data)
ret.status = requestDeviceStatus(status)
ret.device = device
ret.msg = C.GoString(msg)
ret.called = true
}
func (adp *Adapter) Features() []FeatureName {
n := C.wgpuAdapterEnumerateFeatures(adp.c(), nil)
if n <= 0 {
return nil
}
names := make([]C.WGPUFeatureName, n)
C.wgpuAdapterEnumerateFeatures(adp.c(), &names[0])
return *(*[]FeatureName)(up(&names))
}
type AdapterProperties struct {
VendorID uint32
VendorName string
Architecture string
DeviceID uint32
Name string
DriverDescription string
AdapterType AdapterType
BackendType BackendType
}
func (adp *Adapter) Properties() AdapterProperties {
var cprops C.struct_WGPUAdapterProperties
C.wgpuAdapterGetProperties(adp.c(), &cprops)
return AdapterProperties{
VendorID: uint32(cprops.vendorID),
VendorName: C.GoString(cprops.vendorName),
Architecture: C.GoString(cprops.architecture),
DeviceID: uint32(cprops.deviceID),
Name: C.GoString(cprops.name),
DriverDescription: C.GoString(cprops.driverDescription),
AdapterType: AdapterType(cprops.adapterType),
BackendType: BackendType(cprops.backendType),
}
}
var DefaultLimits = Limits{
// From https://www.w3.org/TR/webgpu/#limit-default
MaxTextureDimension1D: 8192,
MaxTextureDimension2D: 8192,
MaxTextureDimension3D: 2048,
MaxTextureArrayLayers: 256,
MaxBindGroups: 4,
MaxBindGroupsPlusVertexBuffers: 24,
MaxBindingsPerBindGroup: 1000,
MaxDynamicUniformBuffersPerPipelineLayout: 8,
MaxDynamicStorageBuffersPerPipelineLayout: 4,
MaxSampledTexturesPerShaderStage: 16,
MaxSamplersPerShaderStage: 16,
MaxStorageBuffersPerShaderStage: 8,
MaxStorageTexturesPerShaderStage: 4,
MaxUniformBuffersPerShaderStage: 12,
MaxUniformBufferBindingSize: 65536,
MaxStorageBufferBindingSize: 134217728,
MinUniformBufferOffsetAlignment: 256,
MinStorageBufferOffsetAlignment: 256,
MaxVertexBuffers: 8,
MaxBufferSize: 268435456,
MaxVertexAttributes: 16,
MaxVertexBufferArrayStride: 2048,
MaxInterStageShaderComponents: 64,
MaxInterStageShaderVariables: 16,
MaxColorAttachments: 8,
MaxColorAttachmentBytesPerSample: 32,
MaxComputeWorkgroupStorageSize: 16384,
MaxComputeInvocationsPerWorkgroup: 256,
MaxComputeWorkgroupSizeX: 256,
MaxComputeWorkgroupSizeY: 256,
MaxComputeWorkgroupSizeZ: 64,
MaxComputeWorkgroupsPerDimension: 65535,
}
type Limits struct {
_ structs.HostLayout
MaxTextureDimension1D uint32
MaxTextureDimension2D uint32
MaxTextureDimension3D uint32
MaxTextureArrayLayers uint32
MaxBindGroups uint32
MaxBindGroupsPlusVertexBuffers uint32
MaxBindingsPerBindGroup uint32
MaxDynamicUniformBuffersPerPipelineLayout uint32
MaxDynamicStorageBuffersPerPipelineLayout uint32
MaxSampledTexturesPerShaderStage uint32
MaxSamplersPerShaderStage uint32
MaxStorageBuffersPerShaderStage uint32
MaxStorageTexturesPerShaderStage uint32
MaxUniformBuffersPerShaderStage uint32
MaxUniformBufferBindingSize uint64
MaxStorageBufferBindingSize uint64
MinUniformBufferOffsetAlignment uint32
MinStorageBufferOffsetAlignment uint32
MaxVertexBuffers uint32
MaxBufferSize uint64
MaxVertexAttributes uint32
MaxVertexBufferArrayStride uint32
MaxInterStageShaderComponents uint32
MaxInterStageShaderVariables uint32
MaxColorAttachments uint32
MaxColorAttachmentBytesPerSample uint32
MaxComputeWorkgroupStorageSize uint32
MaxComputeWorkgroupSizeX uint32
MaxComputeWorkgroupSizeY uint32
MaxComputeWorkgroupSizeZ uint32
MaxComputeWorkgroupsPerDimension uint32
}
var DefaultNativeLimits = NativeLimits{
MaxPushConstantSize: ^uint32(0),
MaxNonSamplerBindings: ^uint32(0),
}
type NativeLimits struct {
_ structs.HostLayout
MaxPushConstantSize uint32
MaxNonSamplerBindings uint32