interface mixin GPUObjectBase {
attribute DOMString? label;
};
dictionary GPUObjectDescriptorBase {
DOMString label;
};
[Exposed=Window]
partial interface Navigator {
[SameObject] readonly attribute GPU gpu;
};
[Exposed=DedicatedWorker]
partial interface WorkerNavigator {
[SameObject] readonly attribute GPU gpu;
};
[Exposed=(Window, DedicatedWorker)]
interface GPU {
Promise<GPUAdapter> requestAdapter(optional GPURequestAdapterOptions options = {});
};
dictionary GPURequestAdapterOptions {
GPUPowerPreference powerPreference;
};
enum GPUPowerPreference {
"low-power",
"high-performance"
};
interface GPUAdapter {
readonly attribute DOMString name;
readonly attribute FrozenArray<GPUExtensionName> extensions;
//readonly attribute GPULimits limits; Don’t expose higher limits for now.
Promise<GPUDevice> requestDevice(optional GPUDeviceDescriptor descriptor = {});
};
dictionary GPUDeviceDescriptor : GPUObjectDescriptorBase {
sequence<GPUExtensionName> extensions = [];
GPULimits limits = {};
};
enum GPUExtensionName {
"texture-compression-bc"
};
dictionary GPULimits {
GPUSize32 maxBindGroups = 4;
GPUSize32 maxDynamicUniformBuffersPerPipelineLayout = 8;
GPUSize32 maxDynamicStorageBuffersPerPipelineLayout = 4;
GPUSize32 maxSampledTexturesPerShaderStage = 16;
GPUSize32 maxSamplersPerShaderStage = 16;
GPUSize32 maxStorageBuffersPerShaderStage = 4;
GPUSize32 maxStorageTexturesPerShaderStage = 4;
GPUSize32 maxUniformBuffersPerShaderStage = 12;
};
[Exposed=(Window, DedicatedWorker), Serializable]
interface GPUDevice : EventTarget {
[SameObject] readonly attribute GPUAdapter adapter;
readonly attribute FrozenArray<GPUExtensionName> extensions;
readonly attribute object limits;
[SameObject] readonly attribute GPUQueue defaultQueue;
GPUBuffer createBuffer(GPUBufferDescriptor descriptor);
GPUMappedBuffer createBufferMapped(GPUBufferDescriptor descriptor);
GPUTexture createTexture(GPUTextureDescriptor descriptor);
GPUSampler createSampler(optional GPUSamplerDescriptor descriptor = {});
GPUBindGroupLayout createBindGroupLayout(GPUBindGroupLayoutDescriptor descriptor);
GPUPipelineLayout createPipelineLayout(GPUPipelineLayoutDescriptor descriptor);
GPUBindGroup createBindGroup(GPUBindGroupDescriptor descriptor);
GPUShaderModule createShaderModule(GPUShaderModuleDescriptor descriptor);
GPUComputePipeline createComputePipeline(GPUComputePipelineDescriptor descriptor);
GPURenderPipeline createRenderPipeline(GPURenderPipelineDescriptor descriptor);
GPUCommandEncoder createCommandEncoder(optional GPUCommandEncoderDescriptor descriptor = {});
GPURenderBundleEncoder createRenderBundleEncoder(GPURenderBundleEncoderDescriptor descriptor);
};
GPUDevice includes GPUObjectBase;
[Serializable]
interface GPUBuffer {
Promise<ArrayBuffer> mapReadAsync();
Promise<ArrayBuffer> mapWriteAsync();
void unmap();
void destroy();
};
GPUBuffer includes GPUObjectBase;
dictionary GPUBufferDescriptor : GPUObjectDescriptorBase {
required GPUSize64 size;
required GPUBufferUsageFlags usage;
};
typedef [EnforceRange] unsigned long GPUBufferUsageFlags;
interface GPUBufferUsage {
const GPUBufferUsageFlags MAP_READ = 0x0001;
const GPUBufferUsageFlags MAP_WRITE = 0x0002;
const GPUBufferUsageFlags COPY_SRC = 0x0004;
const GPUBufferUsageFlags COPY_DST = 0x0008;
const GPUBufferUsageFlags INDEX = 0x0010;
const GPUBufferUsageFlags VERTEX = 0x0020;
const GPUBufferUsageFlags UNIFORM = 0x0040;
const GPUBufferUsageFlags STORAGE = 0x0080;
const GPUBufferUsageFlags INDIRECT = 0x0100;
};
[Serializable]
interface GPUTexture {
GPUTextureView createView(optional GPUTextureViewDescriptor descriptor = {});
void destroy();
};
GPUTexture includes GPUObjectBase;
dictionary GPUTextureDescriptor : GPUObjectDescriptorBase {
required GPUExtent3D size;
GPUIntegerCoordinate arrayLayerCount = 1;
GPUIntegerCoordinate mipLevelCount = 1;
GPUSize32 sampleCount = 1;
GPUTextureDimension dimension = "2d";
required GPUTextureFormat format;
required GPUTextureUsageFlags usage;
};
enum GPUTextureDimension {
"1d",
"2d",
"3d"
};
typedef [EnforceRange] unsigned long GPUTextureUsageFlags;
interface GPUTextureUsage {
const GPUTextureUsageFlags COPY_SRC = 0x01;
const GPUTextureUsageFlags COPY_DST = 0x02;
const GPUTextureUsageFlags SAMPLED = 0x04;
const GPUTextureUsageFlags STORAGE = 0x08;
const GPUTextureUsageFlags OUTPUT_ATTACHMENT = 0x10;
};
interface GPUTextureView {
};
GPUTextureView includes GPUObjectBase;
dictionary GPUTextureViewDescriptor : GPUObjectDescriptorBase {
GPUTextureFormat format;
GPUTextureViewDimension dimension;
GPUTextureAspect aspect = "all";
GPUIntegerCoordinate baseMipLevel = 0;
GPUIntegerCoordinate mipLevelCount = 0;
GPUIntegerCoordinate baseArrayLayer = 0;
GPUIntegerCoordinate arrayLayerCount = 0;
};
enum GPUTextureViewDimension {
"1d",
"2d",
"2d-array",
"cube",
"cube-array",
"3d"
};
enum GPUTextureAspect {
"all",
"stencil-only",
"depth-only"
};
enum GPUTextureFormat {
// 8-bit formats
"r8unorm",
"r8snorm",
"r8uint",
"r8sint",
// 16-bit formats
"r16uint",
"r16sint",
"r16float",
"rg8unorm",
"rg8snorm",
"rg8uint",
"rg8sint",
// 32-bit formats
"r32uint",
"r32sint",
"r32float",
"rg16uint",
"rg16sint",
"rg16float",
"rgba8unorm",
"rgba8unorm-srgb",
"rgba8snorm",
"rgba8uint",
"rgba8sint",
"bgra8unorm",
"bgra8unorm-srgb",
// Packed 32-bit formats
"rgb10a2unorm",
"rg11b10float",
// 64-bit formats
"rg32uint",
"rg32sint",
"rg32float",
"rgba16uint",
"rgba16sint",
"rgba16float",
// 128-bit formats
"rgba32uint",
"rgba32sint",
"rgba32float",
// Depth and stencil formats
"depth32float",
"depth24plus",
"depth24plus-stencil8"
};
enum GPUTextureComponentType {
"float",
"sint",
"uint"
};
interface GPUSampler {
};
GPUSampler includes GPUObjectBase;
dictionary GPUSamplerDescriptor : GPUObjectDescriptorBase {
GPUAddressMode addressModeU = "clamp-to-edge";
GPUAddressMode addressModeV = "clamp-to-edge";
GPUAddressMode addressModeW = "clamp-to-edge";
GPUFilterMode magFilter = "nearest";
GPUFilterMode minFilter = "nearest";
GPUFilterMode mipmapFilter = "nearest";
float lodMinClamp = 0;
float lodMaxClamp = 0xffffffff; // TODO: What should this be? Was Number.MAX_VALUE.
GPUCompareFunction compare = "never";
};
enum GPUAddressMode {
"clamp-to-edge",
"repeat",
"mirror-repeat"
};
enum GPUFilterMode {
"nearest",
"linear"
};
enum GPUCompareFunction {
"never",
"less",
"equal",
"less-equal",
"greater",
"not-equal",
"greater-equal",
"always"
};
[Serializable]
interface GPUBindGroupLayout {
};
GPUBindGroupLayout includes GPUObjectBase;
dictionary GPUBindGroupLayoutDescriptor : GPUObjectDescriptorBase {
required sequence<GPUBindGroupLayoutBinding> bindings;
};
dictionary GPUBindGroupLayoutBinding {
required GPUIndex32 binding;
required GPUShaderStageFlags visibility;
required GPUBindingType type;
GPUTextureViewDimension textureDimension = "2d";
GPUTextureComponentType textureComponentType = "float";
boolean multisampled = false;
boolean hasDynamicOffset = false;
};
typedef [EnforceRange] unsigned long GPUShaderStageFlags;
interface GPUShaderStage {
const GPUShaderStageFlags VERTEX = 0x1;
const GPUShaderStageFlags FRAGMENT = 0x2;
const GPUShaderStageFlags COMPUTE = 0x4;
};
enum GPUBindingType {
"uniform-buffer",
"storage-buffer",
"readonly-storage-buffer",
"sampler",
"sampled-texture",
"storage-texture"
// TODO: other binding types
};
interface GPUBindGroup {
};
GPUBindGroup includes GPUObjectBase;
dictionary GPUBindGroupDescriptor : GPUObjectDescriptorBase {
required GPUBindGroupLayout layout;
required sequence<GPUBindGroupBinding> bindings;
};
typedef (GPUSampler or GPUTextureView or GPUBufferBinding) GPUBindingResource;
dictionary GPUBindGroupBinding {
required GPUIndex32 binding;
required GPUBindingResource resource;
};
dictionary GPUBufferBinding {
required GPUBuffer buffer;
GPUSize64 offset = 0;
GPUSize64 size;
};
interface GPUPipelineLayout {
};
GPUPipelineLayout includes GPUObjectBase;
dictionary GPUPipelineLayoutDescriptor : GPUObjectDescriptorBase {
required sequence<GPUBindGroupLayout> bindGroupLayouts;
};
[Serializable]
interface GPUShaderModule {
};
GPUShaderModule includes GPUObjectBase;
typedef (Uint32Array or DOMString) GPUShaderCode;
dictionary GPUShaderModuleDescriptor : GPUObjectDescriptorBase {
required GPUShaderCode code;
};
dictionary GPUPipelineDescriptorBase : GPUObjectDescriptorBase {
required GPUPipelineLayout layout;
};
dictionary GPUProgrammableStageDescriptor {
required GPUShaderModule module;
required DOMString entryPoint;
// TODO: other stuff like specialization constants?
};
[Serializable]
interface GPUComputePipeline {
};
GPUComputePipeline includes GPUObjectBase;
dictionary GPUComputePipelineDescriptor : GPUPipelineDescriptorBase {
required GPUProgrammableStageDescriptor computeStage;
};
[Serializable]
interface GPURenderPipeline {
};
GPURenderPipeline includes GPUObjectBase;
dictionary GPURenderPipelineDescriptor : GPUPipelineDescriptorBase {
required GPUProgrammableStageDescriptor vertexStage;
GPUProgrammableStageDescriptor fragmentStage;
required GPUPrimitiveTopology primitiveTopology;
GPURasterizationStateDescriptor rasterizationState = {};
required sequence<GPUColorStateDescriptor> colorStates;
GPUDepthStencilStateDescriptor depthStencilState;
GPUVertexStateDescriptor vertexState = {};
GPUSize32 sampleCount = 1;
GPUSampleMask sampleMask = 0xFFFFFFFF;
boolean alphaToCoverageEnabled = false;
// TODO: other properties
};
enum GPUPrimitiveTopology {
"point-list",
"line-list",
"line-strip",
"triangle-list",
"triangle-strip"
};
dictionary GPURasterizationStateDescriptor {
GPUFrontFace frontFace = "ccw";
GPUCullMode cullMode = "none";
GPUDepthBias depthBias = 0;
float depthBiasSlopeScale = 0;
float depthBiasClamp = 0;
};
enum GPUFrontFace {
"ccw",
"cw"
};
enum GPUCullMode {
"none",
"front",
"back"
};
dictionary GPUColorStateDescriptor {
required GPUTextureFormat format;
GPUBlendDescriptor alphaBlend = {};
GPUBlendDescriptor colorBlend = {};
GPUColorWriteFlags writeMask = 0xF; // GPUColorWrite.ALL
};
typedef [EnforceRange] unsigned long GPUColorWriteFlags;
interface GPUColorWrite {
const GPUColorWriteFlags RED = 0x1;
const GPUColorWriteFlags GREEN = 0x2;
const GPUColorWriteFlags BLUE = 0x4;
const GPUColorWriteFlags ALPHA = 0x8;
const GPUColorWriteFlags ALL = 0xF;
};
dictionary GPUBlendDescriptor {
GPUBlendFactor srcFactor = "one";
GPUBlendFactor dstFactor = "zero";
GPUBlendOperation operation = "add";
};
enum GPUBlendFactor {
"zero",
"one",
"src-color",
"one-minus-src-color",
"src-alpha",
"one-minus-src-alpha",
"dst-color",
"one-minus-dst-color",
"dst-alpha",
"one-minus-dst-alpha",
"src-alpha-saturated",
"blend-color",
"one-minus-blend-color"
};
enum GPUBlendOperation {
"add",
"subtract",
"reverse-subtract",
"min",
"max"
};
enum GPUStencilOperation {
"keep",
"zero",
"replace",
"invert",
"increment-clamp",
"decrement-clamp",
"increment-wrap",
"decrement-wrap"
};
dictionary GPUDepthStencilStateDescriptor {
required GPUTextureFormat format;
boolean depthWriteEnabled = false;
GPUCompareFunction depthCompare = "always";
GPUStencilStateFaceDescriptor stencilFront = {};
GPUStencilStateFaceDescriptor stencilBack = {};
GPUStencilValue stencilReadMask = 0xFFFFFFFF;
GPUStencilValue stencilWriteMask = 0xFFFFFFFF;
};
dictionary GPUStencilStateFaceDescriptor {
GPUCompareFunction compare = "always";
GPUStencilOperation failOp = "keep";
GPUStencilOperation depthFailOp = "keep";
GPUStencilOperation passOp = "keep";
};
enum GPUIndexFormat {
"uint16",
"uint32"
};
enum GPUVertexFormat {
"uchar2",
"uchar4",
"char2",
"char4",
"uchar2norm",
"uchar4norm",
"char2norm",
"char4norm",
"ushort2",
"ushort4",
"short2",
"short4",
"ushort2norm",
"ushort4norm",
"short2norm",
"short4norm",
"half2",
"half4",
"float",
"float2",
"float3",
"float4",
"uint",
"uint2",
"uint3",
"uint4",
"int",
"int2",
"int3",
"int4"
};
enum GPUInputStepMode {
"vertex",
"instance"
};
dictionary GPUVertexStateDescriptor {
GPUIndexFormat indexFormat = "uint32";
sequence<GPUVertexBufferLayoutDescriptor?> vertexBuffers = [];
};
dictionary GPUVertexBufferLayoutDescriptor {
required GPUSize64 arrayStride;
GPUInputStepMode stepMode = "vertex";
required sequence<GPUVertexAttributeDescriptor> attributes;
};
dictionary GPUVertexAttributeDescriptor {
required GPUVertexFormat format;
required GPUSize64 offset;
required GPUIndex32 shaderLocation;
};
interface GPUCommandBuffer {
};
GPUCommandBuffer includes GPUObjectBase;
dictionary GPUCommandBufferDescriptor : GPUObjectDescriptorBase {
};
interface GPUCommandEncoder {
GPURenderPassEncoder beginRenderPass(GPURenderPassDescriptor descriptor);
GPUComputePassEncoder beginComputePass(optional GPUComputePassDescriptor descriptor = {});
void copyBufferToBuffer(
GPUBuffer source,
GPUSize64 sourceOffset,
GPUBuffer destination,
GPUSize64 destinationOffset,
GPUSize64 size);
void copyBufferToTexture(
GPUBufferCopyView source,
GPUTextureCopyView destination,
GPUExtent3D copySize);
void copyTextureToBuffer(
GPUTextureCopyView source,
GPUBufferCopyView destination,
GPUExtent3D copySize);
void copyTextureToTexture(
GPUTextureCopyView source,
GPUTextureCopyView destination,
GPUExtent3D copySize);
void pushDebugGroup(DOMString groupLabel);
void popDebugGroup();
void insertDebugMarker(DOMString markerLabel);
GPUCommandBuffer finish(optional GPUCommandBufferDescriptor descriptor = {});
};
GPUCommandEncoder includes GPUObjectBase;
dictionary GPUCommandEncoderDescriptor : GPUObjectDescriptorBase {
// TODO: reusability flag?
};
dictionary GPUBufferCopyView {
required GPUBuffer buffer;
GPUSize64 offset = 0;
required GPUSize32 rowPitch;
required GPUSize32 imageHeight;
};
dictionary GPUTextureCopyView {
required GPUTexture texture;
GPUIntegerCoordinate mipLevel = 0;
GPUIntegerCoordinate arrayLayer = 0;
GPUOrigin3D origin = {};
};
dictionary GPUImageBitmapCopyView {
required ImageBitmap imageBitmap;
GPUOrigin2D origin = {};
};
interface mixin GPUProgrammablePassEncoder {
void setBindGroup(GPUIndex32 index, GPUBindGroup bindGroup,
optional sequence<GPUBufferDynamicOffset> dynamicOffsets = []);
void setBindGroup(GPUIndex32 index, GPUBindGroup bindGroup,
Uint32Array dynamicOffsetsData,
GPUSize64 dynamicOffsetsDataStart,
GPUSize32 dynamicOffsetsDataLength);
void pushDebugGroup(DOMString groupLabel);
void popDebugGroup();
void insertDebugMarker(DOMString markerLabel);
};
interface GPUComputePassEncoder {
void setPipeline(GPUComputePipeline pipeline);
void dispatch(GPUSize32 x, optional GPUSize32 y = 1, optional GPUSize32 z = 1);
void dispatchIndirect(GPUBuffer indirectBuffer, GPUSize64 indirectOffset);
void endPass();
};
GPUComputePassEncoder includes GPUObjectBase;
GPUComputePassEncoder includes GPUProgrammablePassEncoder;
dictionary GPUComputePassDescriptor : GPUObjectDescriptorBase {
};
interface mixin GPURenderEncoderBase {
void setPipeline(GPURenderPipeline pipeline);
void setIndexBuffer(GPUBuffer buffer, optional GPUSize64 offset = 0);
void setVertexBuffer(GPUIndex32 slot, GPUBuffer buffer, optional GPUSize64 offset = 0);
void draw(GPUSize32 vertexCount, GPUSize32 instanceCount,
GPUSize32 firstVertex, GPUSize32 firstInstance);
void drawIndexed(GPUSize32 indexCount, GPUSize32 instanceCount,
GPUSize32 firstIndex, GPUSignedOffset32 baseVertex, GPUSize32 firstInstance);
void drawIndirect(GPUBuffer indirectBuffer, GPUSize64 indirectOffset);
void drawIndexedIndirect(GPUBuffer indirectBuffer, GPUSize64 indirectOffset);
};
interface GPURenderPassEncoder {
void setViewport(float x, float y,
float width, float height,
float minDepth, float maxDepth);
void setScissorRect(GPUIntegerCoordinate x, GPUIntegerCoordinate y,
GPUIntegerCoordinate width, GPUIntegerCoordinate height);
void setBlendColor(GPUColor color);
void setStencilReference(GPUStencilValue reference);
void executeBundles(sequence<GPURenderBundle> bundles);
void endPass();
};
GPURenderPassEncoder includes GPUObjectBase;
GPURenderPassEncoder includes GPUProgrammablePassEncoder;
GPURenderPassEncoder includes GPURenderEncoderBase;
dictionary GPURenderPassDescriptor : GPUObjectDescriptorBase {
required sequence<GPURenderPassColorAttachmentDescriptor> colorAttachments;
GPURenderPassDepthStencilAttachmentDescriptor depthStencilAttachment;
};
dictionary GPURenderPassColorAttachmentDescriptor {
required GPUTextureView attachment;
GPUTextureView resolveTarget;
required (GPULoadOp or GPUColor) loadValue;
GPUStoreOp storeOp = "store";
};
dictionary GPURenderPassDepthStencilAttachmentDescriptor {
required GPUTextureView attachment;
required (GPULoadOp or float) depthLoadValue;
required GPUStoreOp depthStoreOp;
required (GPULoadOp or GPUStencilValue) stencilLoadValue;
required GPUStoreOp stencilStoreOp;
};
enum GPULoadOp {
"load"
};
enum GPUStoreOp {
"store",
"clear"
};
interface GPURenderBundle {
};
GPURenderBundle includes GPUObjectBase;
dictionary GPURenderBundleDescriptor : GPUObjectDescriptorBase {
};
interface GPURenderBundleEncoder {
GPURenderBundle finish(optional GPURenderBundleDescriptor descriptor = {});
};
GPURenderBundleEncoder includes GPUObjectBase;
GPURenderBundleEncoder includes GPUProgrammablePassEncoder;
GPURenderBundleEncoder includes GPURenderEncoderBase;
dictionary GPURenderBundleEncoderDescriptor : GPUObjectDescriptorBase {
required sequence<GPUTextureFormat> colorFormats;
GPUTextureFormat depthStencilFormat;
GPUSize32 sampleCount = 1;
};
interface GPUQueue {
void submit(sequence<GPUCommandBuffer> commandBuffers);
GPUFence createFence(optional GPUFenceDescriptor descriptor = {});
void signal(GPUFence fence, GPUFenceValue signalValue);
void copyImageBitmapToTexture(
GPUImageBitmapCopyView source,
GPUTextureCopyView destination,
GPUExtent3D copySize);
};
GPUQueue includes GPUObjectBase;
interface GPUFence {
GPUFenceValue getCompletedValue();
Promise<void> onCompletion(GPUFenceValue completionValue);
};
GPUFence includes GPUObjectBase;
dictionary GPUFenceDescriptor : GPUObjectDescriptorBase {
GPUFenceValue initialValue = 0;
};
interface GPUCanvasContext {
GPUSwapChain configureSwapChain(GPUSwapChainDescriptor descriptor);
Promise<GPUTextureFormat> getSwapChainPreferredFormat(GPUDevice device);
};
dictionary GPUSwapChainDescriptor : GPUObjectDescriptorBase {
required GPUDevice device;
required GPUTextureFormat format;
GPUTextureUsageFlags usage = 0x10; // GPUTextureUsage.OUTPUT_ATTACHMENT
};
interface GPUSwapChain {
GPUTexture getCurrentTexture();
};
GPUSwapChain includes GPUObjectBase;
interface GPUDeviceLostInfo {
readonly attribute DOMString message;
};
partial interface GPUDevice {
readonly attribute Promise<GPUDeviceLostInfo> lost;
};
enum GPUErrorFilter {
"none",
"out-of-memory",
"validation"
};
interface GPUOutOfMemoryError {
constructor();
};
interface GPUValidationError {
constructor(DOMString message);
readonly attribute DOMString message;
};
typedef (GPUOutOfMemoryError or GPUValidationError) GPUError;
partial interface GPUDevice {
void pushErrorScope(GPUErrorFilter filter);
Promise<GPUError?> popErrorScope();
};
[
Exposed=(Window, DedicatedWorker)
]
interface GPUUncapturedErrorEvent : Event {
constructor(
DOMString type,
GPUUncapturedErrorEventInit gpuUncapturedErrorEventInitDict
);
[SameObject] readonly attribute GPUError error;
};
dictionary GPUUncapturedErrorEventInit : EventInit {
required GPUError error;
};
partial interface GPUDevice {
[Exposed=(Window, DedicatedWorker)]
attribute EventHandler onuncapturederror;
};
typedef [EnforceRange] unsigned long GPUBufferDynamicOffset;
typedef [EnforceRange] unsigned long long GPUFenceValue;
typedef [EnforceRange] unsigned long GPUStencilValue;
typedef [EnforceRange] unsigned long GPUSampleMask;
typedef [EnforceRange] long GPUDepthBias;
typedef [EnforceRange] unsigned long long GPUSize64;
typedef [EnforceRange] unsigned long GPUIntegerCoordinate;
typedef [EnforceRange] unsigned long GPUIndex32;
typedef [EnforceRange] unsigned long GPUSize32;
typedef [EnforceRange] long GPUSignedOffset32;
dictionary GPUColorDict {
required double r;
required double g;
required double b;
required double a;
};
typedef (sequence<double> or GPUColorDict) GPUColor;
dictionary GPUOrigin2DDict {
GPUIntegerCoordinate x = 0;
GPUIntegerCoordinate y = 0;
};
typedef (sequence<GPUIntegerCoordinate> or GPUOrigin2DDict) GPUOrigin2D;
dictionary GPUOrigin3DDict {
GPUIntegerCoordinate x = 0;
GPUIntegerCoordinate y = 0;
GPUIntegerCoordinate z = 0;
};
typedef (sequence<GPUIntegerCoordinate> or GPUOrigin3DDict) GPUOrigin3D;
dictionary GPUExtent3DDict {
required GPUIntegerCoordinate width;
required GPUIntegerCoordinate height;
required GPUIntegerCoordinate depth;
};
typedef (sequence<GPUIntegerCoordinate> or GPUExtent3DDict) GPUExtent3D;
typedef sequence<(GPUBuffer or ArrayBuffer)> GPUMappedBuffer;