const.go

package webgpu

import "github.com/bluescreen10/webgpu-go/driver"

type TextureFormat = driver.TextureFormat

const (
	// 8-bit formats
	R8UnormTextureFormat = TextureFormat(iota)
	R8SnormTextureFormat
	R8UintTextureFormat
	R8SintTextureFormat

	// 16-bit formats
	R16UnormTextureFormat
	R16SnormTextureFormat
	R16UintTextureFormat
	R16SintTextureFormat
	R16FloatTextureFormat
	RG8UnormTextureFormat
	RG8SnormTextureFormat
	RG8UintTextureFormat
	RG8SintTextureFormat

	// 32-bit formats
	R32UintTextureFormat
	R32SintTextureFormat
	R32FloatTextureFormat
	RG16UnormTextureFormat
	RG16SnormTextureFormat
	RG16UintTextureFormat
	RG16SintTextureFormat
	RG16FloatTextureFormat
	RGBA8UnormTextureFormat
	RGBA8UnormSRGBTextureFormat
	RGBA8SnormTextureFormat
	RGBA8UintTextureFormat
	RGBA8SintTextureFormat
	BGRA8UnormTextureFormat
	BGRA8UnormSRGBTextureFormat

	// Packed 32-bit formats
	RGB9E5UFloatTextureFormat
	RGB10A2UintTextureFormat
	RGB10A2UnormTextureFormat
	RG11B10UFloatTextureFormat

	// 64-bit formats
	RG32UintTextureFormat
	RG32SintTextureFormat
	RG32FloatTextureFormat
	RGBA16UnormTextureFormat
	RGBA16SnormTextureFormat
	RGBA16UintTextureFormat
	RGBA16SintTextureFormat
	RGBA16FloatTextureFormat

	// 128-bit formats
	RGBA32UintTextureFormat
	RGBA32SintTextureFormat
	RGBA32FloatTextureFormat

	// Depth/Stencil formats
	Stencil8TextureFormat
	Depth16UnormTextureFormat
	Depth24PlusTextureFormat
	Depth24PlusStencil8TextureFormat
	Depth32FloatTextureFormat

	// Depth32float-Stencil8 feature
	Depth32floatStencil8TextureFormat

	// BC compressed formats usable if texture-compression-bc is both
	// supported by the device/user agent and enabled in requestDevice.
	BC1RGBAUnormTextureFormat
	BC1RGBAUnormSRGBTextureFormat
	BC2RGBAUnormTextureFormat
	BC2RGBAUnormSRGBTextureFormat
	BC3RGBAUnormTextureFormat
	BC3RGBAUnormSRGBTextureFormat
	BC4RUnormTextureFormat
	bC4RSnormTextureFormat
	BC5RGUnormTextureFormat
	bc5RGSnormTextureFormat
	BC6HRGBUfloatTextureFormat
	BC6HRGBFloatTextureFormat
	BC7RGBAUnormTextureFormat
	BC7RGBAUnormSRGBTextureFormat

	// ETC2 compressed formats usable if texture-compression-etc2 is both
	// supported by the device/user agent and enabled in requestDevice.
	ETC2RGB8UnormTextureFormat
	ETC2RGB8UnormSRGBTextureFormat
	ETC2RGB8A1UnormTextureFormat
	ETC2RGB8A1UnormSRGBTextureFormat
	ETC2RGBA8UnormTextureFormat
	ETC2RGBA8UnormSRGBTextureFormat
	EACR11UnormTextureFormat
	EACR11SnormTextureFormat
	EACRG11UnormTextureFormat
	EACRG11SnormTextureFormat

	// ASTC compressed formats usable if texture-compression-astc is both
	// supported by the device/user agent and enabled in requestDevice.
	ASTC4x4UnormTextureFormat
	ASTC4x4UnormSRGBTextureFormat
	ASTC5x4UnormTextureFormat
	ASTC5x4UnormSRGBTextureFormat
	ASTC5x5UnormTextureFormat
	ASTC5x5UnormSRGBTextureFormat
	ASTC6x5UnormTextureFormat
	ASTC6x5UnormSRGBTextureFormat
	ASTC6x6UnormTextureFormat
	ASTC6x6UnormSRGBTextureFormat
	ASTC8x5UnormTextureFormat
	ASTC8x5UnormSRGBTextureFormat
	ASTC8x6UnormTextureFormat
	ASTC8x6UnormSRGBTextureFormat
	ASTC8x8UnormTextureFormat
	ASTC8x8UnormSRGBTextureFormat
	ASTC10x5UnormTextureFormat
	ASTC10x5UnormSRGBTextureFormat
	ASTC10x6UnormTextureFormat
	ASTC10x6UnormSRGBTextureFormat
	ASTC10x8UnormTextureFormat
	ASTC10x8UnormSRGBTextureFormat
	ASTC10x10UnormTextureFormat
	ASTC10x10UnormSRGBTextureFormat
	ASTC12x10UnormTextureFormat
	ASTC12x10UnormSRGBTextureFormat
	ASTC12x12UnormTextureFormat
	ASTC12x12UnormSRGBTextureFormat
)

type FeatureName = driver.FeatureName

const (
	CoreFeaturesAndLimitsFeature = FeatureName(iota)
	DepthClipControlFeature
	Depth32floatStencil8Feature
	TextureCompressionBCFeature
	TextureCompressionBCSliced3DFeature
	TextureCompressionETC2Feature
	TextureCompressionASTCFeature
	TextureCompressionASTCSliced3DFeature
	TimestampQueryFeature
	IndirectFirstInstanceFeature
	ShaderF16Feature
	RG11B10UFloatRenderableFeature
	BGRA8UnormStorageFeature
	Float32FilterableFeature
	Float32BlendableFeature
	ClipDistancesFeature
	DualSourceBlendingFeature
	SubgroupsFeature
	TextureFormatsTier1Feature
	TextureFormatsTier2Feature
	PrimitiveIndexFeature
	TextureComponentSwizzleFeature
)

// Power preferences hints for requesting an adapter
type PowerPreference uint8

const (
	// No power preference
	UndefinedPowerPreference = PowerPreference(iota)

	// Prioritize an aapter with low power consumption
	LowPower

	// Prioritize performance over power consumption
	HighPerformance
)

// Lowest feature level supported hint for requesting an adapter.
// Reference: https://www.w3.org/TR/webgpu/#limit-compatibility-mode-default
type FeatureLevel uint8

const (
	// Default limits.
	CoreFeatureLevel = iota

	// Compatibility mode limits.
	CompatibilityFeatureLevel
)

type AdapterState uint8

const (
	AdapterStateValid = AdapterState(iota)
	AdapterStateConsumed
	AdapterStateExpired
	AdapterStateInvalid
)

type BufferUsage = driver.BufferUsage

const (
	// Invalid buffer usage. No buffer should have this
	InvalidBufferUsage = BufferUsage(1 << iota)

	// The buffer can be mapped for reading.
	MapReadBufferUsage

	// The buffer can be mapped for writing.
	MapWriteBufferUsage

	// The buffer can be used as the source of a copy operation.
	CopySrcBufferUsage

	// The buffer can be used as the destination of a copy or write operation.
	CopyDstBufferUsage

	// The buffer can be used as an index buffer.
	IndexBufferUsage

	// The buffer can be used as a vertex buffer.
	VertexBufferUsage

	// The buffer can be used as a uniform buffer.
	UniformBufferUsage

	// The buffer can be used as a storage buffer.
	StorageBufferUsage

	// The buffer can be used as to store indirect command arguments.
	IndirectBufferUsage

	// The buffer can be used to capture query results.
	QueryResolveBufferUsage
)

type MapState uint8

const (
	UnmappedMapState = MapState(iota)
	PendingMapState
	MappedMapState
)

// TODO
const (
	LoadOpClear = LoadOp(iota)
)

// TODO
const (
	StoreOpStore = StoreOp(iota)
)

const (
	ColorWriteMaskNone  ColorWriteMask = 0x00000000
	ColorWriteMaskRed   ColorWriteMask = 0x00000001
	ColorWriteMaskGreen ColorWriteMask = 0x00000002
	ColorWriteMaskBlue  ColorWriteMask = 0x00000004
	ColorWriteMaskAlpha ColorWriteMask = 0x00000008
	ColorWriteMaskAll   ColorWriteMask = 0x0000000F
)

const (
	BlendFactorZero              BlendFactor = 0x00000000
	BlendFactorOne               BlendFactor = 0x00000001
	BlendFactorSrc               BlendFactor = 0x00000002
	BlendFactorOneMinusSrc       BlendFactor = 0x00000003
	BlendFactorSrcAlpha          BlendFactor = 0x00000004
	BlendFactorOneMinusSrcAlpha  BlendFactor = 0x00000005
	BlendFactorDst               BlendFactor = 0x00000006
	BlendFactorOneMinusDst       BlendFactor = 0x00000007
	BlendFactorDstAlpha          BlendFactor = 0x00000008
	BlendFactorOneMinusDstAlpha  BlendFactor = 0x00000009
	BlendFactorSrcAlphaSaturated BlendFactor = 0x0000000A
	BlendFactorConstant          BlendFactor = 0x0000000B
	BlendFactorOneMinusConstant  BlendFactor = 0x0000000C
)

const (
	BlendOperationAdd             BlendOperation = 0x00000000
	BlendOperationSubtract        BlendOperation = 0x00000001
	BlendOperationReverseSubtract BlendOperation = 0x00000002
	BlendOperationMin             BlendOperation = 0x00000003
	BlendOperationMax             BlendOperation = 0x00000004
)

const (
	PrimitiveTopologyPointList     PrimitiveTopology = 0x00000000
	PrimitiveTopologyLineList      PrimitiveTopology = 0x00000001
	PrimitiveTopologyLineStrip     PrimitiveTopology = 0x00000002
	PrimitiveTopologyTriangleList  PrimitiveTopology = 0x00000003
	PrimitiveTopologyTriangleStrip PrimitiveTopology = 0x00000004
)

const (
	IndexFormatUndefined IndexFormat = 0x00000000
	IndexFormatUint16    IndexFormat = 0x00000001
	IndexFormatUint32    IndexFormat = 0x00000002
)

const (
	FrontFaceCCW FrontFace = 0x00000000
	FrontFaceCW  FrontFace = 0x00000001
)

const (
	CullModeNone  CullMode = 0x00000000
	CullModeFront CullMode = 0x00000001
	CullModeBack  CullMode = 0x00000002
)

type CompositeAlphaMode uint32

const (
	CompositeAlphaModeAuto            CompositeAlphaMode = 0x00000000
	CompositeAlphaModeOpaque          CompositeAlphaMode = 0x00000001
	CompositeAlphaModePremultiplied   CompositeAlphaMode = 0x00000002
	CompositeAlphaModeUnpremultiplied CompositeAlphaMode = 0x00000003
	CompositeAlphaModeInherit         CompositeAlphaMode = 0x00000004
)

type PresentMode uint32

const (
	PresentModeFifo        PresentMode = 0x00000000
	PresentModeFifoRelaxed PresentMode = 0x00000001
	PresentModeImmediate   PresentMode = 0x00000002
	PresentModeMailbox     PresentMode = 0x00000003
)

type TextureUsage uint32

const (
	TextureUsageNone             TextureUsage = 0x00000000
	TextureUsageCopySrc          TextureUsage = 0x00000001
	TextureUsageCopyDst          TextureUsage = 0x00000002
	TextureUsageTextureBinding   TextureUsage = 0x00000004
	TextureUsageStorageBinding   TextureUsage = 0x00000008
	TextureUsageRenderAttachment TextureUsage = 0x00000010
)