Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1231 insertions, 0 deletions

diff --git a/dom/webidl/WebGPU.webidl b/dom/webidl/WebGPU.webidl
new file mode 100644
index 0000000000..39a9c5a4b3
--- /dev/null
+++ b/dom/webidl/WebGPU.webidl
@@ -0,0 +1,1231 @@
+/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * https://gpuweb.github.io/gpuweb/
+ */
+
+interface mixin GPUObjectBase {
+    attribute USVString? label;
+};
+
+dictionary GPUObjectDescriptorBase {
+    USVString label;
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUSupportedLimits {
+    readonly attribute unsigned long maxTextureDimension1D;
+    readonly attribute unsigned long maxTextureDimension2D;
+    readonly attribute unsigned long maxTextureDimension3D;
+    readonly attribute unsigned long maxTextureArrayLayers;
+    readonly attribute unsigned long maxBindGroups;
+    readonly attribute unsigned long maxDynamicUniformBuffersPerPipelineLayout;
+    readonly attribute unsigned long maxDynamicStorageBuffersPerPipelineLayout;
+    readonly attribute unsigned long maxSampledTexturesPerShaderStage;
+    readonly attribute unsigned long maxSamplersPerShaderStage;
+    readonly attribute unsigned long maxStorageBuffersPerShaderStage;
+    readonly attribute unsigned long maxStorageTexturesPerShaderStage;
+    readonly attribute unsigned long maxUniformBuffersPerShaderStage;
+    readonly attribute unsigned long maxUniformBufferBindingSize;
+    readonly attribute unsigned long maxStorageBufferBindingSize;
+    readonly attribute unsigned long minUniformBufferOffsetAlignment;
+    readonly attribute unsigned long minStorageBufferOffsetAlignment;
+    readonly attribute unsigned long maxVertexBuffers;
+    readonly attribute unsigned long maxVertexAttributes;
+    readonly attribute unsigned long maxVertexBufferArrayStride;
+    readonly attribute unsigned long maxInterStageShaderComponents;
+    readonly attribute unsigned long maxComputeWorkgroupStorageSize;
+    readonly attribute unsigned long maxComputeInvocationsPerWorkgroup;
+    readonly attribute unsigned long maxComputeWorkgroupSizeX;
+    readonly attribute unsigned long maxComputeWorkgroupSizeY;
+    readonly attribute unsigned long maxComputeWorkgroupSizeZ;
+    readonly attribute unsigned long maxComputeWorkgroupsPerDimension;
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUSupportedFeatures {
+    readonly setlike<DOMString>;
+};
+
+// ****************************************************************************
+// INITIALIZATION
+// ****************************************************************************
+
+[
+    Pref="dom.webgpu.enabled",
+    Exposed=(Window /* ,DedicatedWorker */), SecureContext
+]
+interface GPU {
+    // May reject with DOMException
+    [NewObject]
+    Promise<GPUAdapter?> requestAdapter(optional GPURequestAdapterOptions options = {});
+    GPUTextureFormat getPreferredCanvasFormat();
+};
+
+// Add a "webgpu" member to Navigator/Worker that contains the global instance of a "WebGPU"
+interface mixin GPUProvider {
+    [SameObject, Replaceable, Pref="dom.webgpu.enabled", Exposed=(Window /* ,DedicatedWorker */), SecureContext] readonly attribute GPU gpu;
+};
+
+dictionary GPURequestAdapterOptions {
+    GPUPowerPreference powerPreference;
+    boolean forceFallbackAdapter = false;
+};
+
+enum GPUPowerPreference {
+    "low-power",
+    "high-performance"
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUAdapterInfo {
+    readonly attribute DOMString vendor;
+    readonly attribute DOMString architecture;
+    readonly attribute DOMString device;
+    readonly attribute DOMString description;
+
+    // Non-standard; see <https://bugzilla.mozilla.org/show_bug.cgi?id=1831994>.
+    [ChromeOnly] readonly attribute DOMString wgpuName;
+    [ChromeOnly] readonly attribute unsigned long wgpuVendor;
+    [ChromeOnly] readonly attribute unsigned long wgpuDevice;
+    [ChromeOnly] readonly attribute DOMString wgpuDeviceType;
+    [ChromeOnly] readonly attribute DOMString wgpuDriver;
+    [ChromeOnly] readonly attribute DOMString wgpuDriverInfo;
+    [ChromeOnly] readonly attribute DOMString wgpuBackend;
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUAdapter {
+    [SameObject] readonly attribute GPUSupportedFeatures features;
+    [SameObject] readonly attribute GPUSupportedLimits limits;
+    readonly attribute boolean isFallbackAdapter;
+
+    [NewObject]
+    Promise<GPUDevice> requestDevice(optional GPUDeviceDescriptor descriptor = {});
+    [NewObject]
+    Promise<GPUAdapterInfo> requestAdapterInfo(optional sequence<DOMString> unmaskHints = []);
+};
+
+dictionary GPUDeviceDescriptor {
+    sequence<GPUFeatureName> requiredFeatures = [];
+    record<DOMString, GPUSize64> requiredLimits;
+};
+
+enum GPUFeatureName {
+    "depth-clip-control",
+    "depth24unorm-stencil8",
+    "depth32float-stencil8",
+    "pipeline-statistics-query",
+    "texture-compression-bc",
+    "texture-compression-etc2",
+    "texture-compression-astc",
+    "timestamp-query",
+    "indirect-first-instance",
+};
+
+// Device
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUDevice: EventTarget {
+    [SameObject] readonly attribute GPUSupportedFeatures features;
+    [SameObject] readonly attribute GPUSupportedLimits limits;
+
+    // Overriding the name to avoid collision with `class Queue` in gcc
+    [SameObject, BinaryName="getQueue"] readonly attribute GPUQueue queue;
+
+    undefined destroy();
+
+    [NewObject, Throws]
+    GPUBuffer createBuffer(GPUBufferDescriptor descriptor);
+    [NewObject]
+    GPUTexture createTexture(GPUTextureDescriptor descriptor);
+    [NewObject]
+    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);
+
+    [NewObject]
+    Promise<GPUComputePipeline> createComputePipelineAsync(GPUComputePipelineDescriptor descriptor);
+    [NewObject]
+    Promise<GPURenderPipeline> createRenderPipelineAsync(GPURenderPipelineDescriptor descriptor);
+
+    [NewObject]
+    GPUCommandEncoder createCommandEncoder(optional GPUCommandEncoderDescriptor descriptor = {});
+    [NewObject]
+    GPURenderBundleEncoder createRenderBundleEncoder(GPURenderBundleEncoderDescriptor descriptor);
+    //[NewObject]
+    //GPUQuerySet createQuerySet(GPUQuerySetDescriptor descriptor);
+};
+GPUDevice includes GPUObjectBase;
+
+// Buffer
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUBuffer {
+    // TODO: s/unsigned long long/GPUSize64/: https://github.com/gpuweb/gpuweb/issues/4080
+    readonly attribute unsigned long long size;
+    // TODO: s/unsigned long/GPUBufferUsageFlags/: https://github.com/gpuweb/gpuweb/issues/4080
+    readonly attribute unsigned long usage;
+
+    readonly attribute GPUBufferMapState mapState;
+
+    [NewObject]
+    Promise<undefined> mapAsync(GPUMapModeFlags mode, optional GPUSize64 offset = 0, optional GPUSize64 size);
+    [NewObject, Throws]
+    ArrayBuffer getMappedRange(optional GPUSize64 offset = 0, optional GPUSize64 size);
+    [Throws]
+    undefined unmap();
+
+    [Throws]
+    undefined destroy();
+};
+GPUBuffer includes GPUObjectBase;
+
+enum GPUBufferMapState {
+    "unmapped",
+    "pending",
+    "mapped"
+};
+
+dictionary GPUBufferDescriptor : GPUObjectDescriptorBase {
+    required GPUSize64 size;
+    required GPUBufferUsageFlags usage;
+    boolean mappedAtCreation = false;
+};
+
+typedef [EnforceRange] unsigned long GPUBufferUsageFlags;
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+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;
+    const GPUBufferUsageFlags QUERY_RESOLVE = 0x0200;
+};
+
+typedef [EnforceRange] unsigned long GPUMapModeFlags;
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUMapMode
+ {
+    const GPUMapModeFlags READ  = 0x0001;
+    const GPUMapModeFlags WRITE = 0x0002;
+};
+
+typedef sequence<any> GPUMappedBuffer;
+
+// Texture
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUTexture {
+    [NewObject]
+    GPUTextureView createView(optional GPUTextureViewDescriptor descriptor = {});
+
+    undefined destroy();
+
+    // TODO: s/unsigned long/GPUIntegerCoordinate: https://github.com/gpuweb/gpuweb/issues/4080
+    readonly attribute unsigned long width;
+    readonly attribute unsigned long height;
+    readonly attribute unsigned long depthOrArrayLayers;
+    readonly attribute unsigned long mipLevelCount;
+    // TODO: s/unsigned long/GPUSize32: https://github.com/gpuweb/gpuweb/issues/4080
+    readonly attribute unsigned long sampleCount;
+    readonly attribute GPUTextureDimension dimension;
+    readonly attribute GPUTextureFormat format;
+    // TODO: s/unsigned long/GPUSize32: https://github.com/gpuweb/gpuweb/issues/4080
+    readonly attribute unsigned long usage;
+};
+GPUTexture includes GPUObjectBase;
+
+dictionary GPUTextureDescriptor : GPUObjectDescriptorBase {
+    required GPUExtent3D size;
+    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;
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUTextureUsage {
+    const GPUTextureUsageFlags COPY_SRC          = 0x01;
+    const GPUTextureUsageFlags COPY_DST          = 0x02;
+    const GPUTextureUsageFlags TEXTURE_BINDING   = 0x04;
+    const GPUTextureUsageFlags STORAGE_BINDING   = 0x08;
+    const GPUTextureUsageFlags RENDER_ATTACHMENT = 0x10;
+};
+
+enum GPUTextureComponentType {
+    "float",
+    "sint",
+    "uint",
+    "depth-comparison"
+};
+
+// Texture view
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUTextureView {
+};
+GPUTextureView includes GPUObjectBase;
+
+dictionary GPUTextureViewDescriptor : GPUObjectDescriptorBase {
+    GPUTextureFormat format;
+    GPUTextureViewDimension dimension;
+    GPUTextureAspect aspect = "all";
+    GPUIntegerCoordinate baseMipLevel = 0;
+    GPUIntegerCoordinate mipLevelCount;
+    GPUIntegerCoordinate baseArrayLayer = 0;
+    GPUIntegerCoordinate arrayLayerCount;
+};
+
+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
+    "rgb9e5ufloat",
+    "rgb10a2unorm",
+    "rg11b10float",
+
+    // 64-bit formats
+    "rg32uint",
+    "rg32sint",
+    "rg32float",
+    "rgba16uint",
+    "rgba16sint",
+    "rgba16float",
+
+    // 128-bit formats
+    "rgba32uint",
+    "rgba32sint",
+    "rgba32float",
+
+    // Depth and stencil formats
+    //"stencil8", //TODO
+    //"depth16unorm",
+    "depth24plus",
+    "depth24plus-stencil8",
+    "depth32float",
+
+    // "depth32float-stencil8" feature
+    "depth32float-stencil8",
+
+    // BC compressed formats usable if "texture-compression-bc" is both
+    // supported by the device/user agent and enabled in requestDevice.
+    "bc1-rgba-unorm",
+    "bc1-rgba-unorm-srgb",
+    "bc2-rgba-unorm",
+    "bc2-rgba-unorm-srgb",
+    "bc3-rgba-unorm",
+    "bc3-rgba-unorm-srgb",
+    "bc4-r-unorm",
+    "bc4-r-snorm",
+    "bc5-rg-unorm",
+    "bc5-rg-snorm",
+    "bc6h-rgb-ufloat",
+    "bc6h-rgb-float",
+    "bc7-rgba-unorm",
+    "bc7-rgba-unorm-srgb",
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+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 = 1000.0; // TODO: What should this be?
+    GPUCompareFunction compare;
+    [Clamp] unsigned short maxAnisotropy = 1;
+};
+
+// Sampler
+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"
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUBindGroupLayout {
+};
+GPUBindGroupLayout includes GPUObjectBase;
+
+dictionary GPUBindGroupLayoutDescriptor : GPUObjectDescriptorBase {
+    required sequence<GPUBindGroupLayoutEntry> entries;
+};
+
+dictionary GPUBindGroupLayoutEntry {
+    required GPUIndex32 binding;
+    required GPUShaderStageFlags visibility;
+    GPUBufferBindingLayout buffer;
+    GPUSamplerBindingLayout sampler;
+    GPUTextureBindingLayout texture;
+    GPUStorageTextureBindingLayout storageTexture;
+};
+
+typedef [EnforceRange] unsigned long GPUShaderStageFlags;
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUShaderStage {
+    const GPUShaderStageFlags VERTEX = 1;
+    const GPUShaderStageFlags FRAGMENT = 2;
+    const GPUShaderStageFlags COMPUTE = 4;
+};
+
+enum GPUBufferBindingType {
+    "uniform",
+    "storage",
+    "read-only-storage",
+};
+
+dictionary GPUBufferBindingLayout {
+    GPUBufferBindingType type = "uniform";
+    boolean hasDynamicOffset = false;
+    GPUSize64 minBindingSize = 0;
+};
+
+enum GPUSamplerBindingType {
+    "filtering",
+    "non-filtering",
+    "comparison",
+};
+
+dictionary GPUSamplerBindingLayout {
+    GPUSamplerBindingType type = "filtering";
+};
+
+enum GPUTextureSampleType {
+  "float",
+  "unfilterable-float",
+  "depth",
+  "sint",
+  "uint",
+};
+
+dictionary GPUTextureBindingLayout {
+    GPUTextureSampleType sampleType = "float";
+    GPUTextureViewDimension viewDimension = "2d";
+    boolean multisampled = false;
+};
+
+enum GPUStorageTextureAccess {
+    "write-only",
+};
+
+dictionary GPUStorageTextureBindingLayout {
+    GPUStorageTextureAccess access = "write-only";
+    required GPUTextureFormat format;
+    GPUTextureViewDimension viewDimension = "2d";
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUBindGroup {
+};
+GPUBindGroup includes GPUObjectBase;
+
+dictionary GPUBindGroupDescriptor : GPUObjectDescriptorBase {
+    required GPUBindGroupLayout layout;
+    required sequence<GPUBindGroupEntry> entries;
+};
+
+typedef (GPUSampler or GPUTextureView or GPUBufferBinding) GPUBindingResource;
+
+dictionary GPUBindGroupEntry {
+    required GPUIndex32 binding;
+    required GPUBindingResource resource;
+};
+
+dictionary GPUBufferBinding {
+    required GPUBuffer buffer;
+    GPUSize64 offset = 0;
+    GPUSize64 size;
+};
+
+// PipelineLayout
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUPipelineLayout {
+};
+GPUPipelineLayout includes GPUObjectBase;
+
+dictionary GPUPipelineLayoutDescriptor : GPUObjectDescriptorBase {
+    required sequence<GPUBindGroupLayout> bindGroupLayouts;
+};
+
+// ShaderModule
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUShaderModule {
+    [Throws]
+    Promise<GPUCompilationInfo> compilationInfo();
+};
+GPUShaderModule includes GPUObjectBase;
+
+dictionary GPUShaderModuleDescriptor : GPUObjectDescriptorBase {
+    // UTF8String is not observably different from USVString
+    required UTF8String code;
+    object sourceMap;
+};
+
+enum GPUCompilationMessageType {
+    "error",
+    "warning",
+    "info"
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUCompilationMessage {
+    readonly attribute DOMString message;
+    readonly attribute GPUCompilationMessageType type;
+    readonly attribute unsigned long long lineNum;
+    readonly attribute unsigned long long linePos;
+    readonly attribute unsigned long long offset;
+    readonly attribute unsigned long long length;
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUCompilationInfo {
+    [Cached, Frozen, Pure]
+    readonly attribute sequence<GPUCompilationMessage> messages;
+};
+
+enum GPUAutoLayoutMode {
+    "auto"
+};
+
+dictionary GPUPipelineDescriptorBase : GPUObjectDescriptorBase {
+    required (GPUPipelineLayout or GPUAutoLayoutMode) layout;
+};
+
+interface mixin GPUPipelineBase {
+    GPUBindGroupLayout getBindGroupLayout(unsigned long index);
+};
+
+dictionary GPUProgrammableStage {
+    required GPUShaderModule module;
+    required USVString entryPoint;
+};
+
+//TODO: Serializable
+// https://bugzilla.mozilla.org/show_bug.cgi?id=1696219
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUComputePipeline {
+};
+GPUComputePipeline includes GPUObjectBase;
+GPUComputePipeline includes GPUPipelineBase;
+
+// ComputePipeline
+dictionary GPUComputePipelineDescriptor : GPUPipelineDescriptorBase {
+    required GPUProgrammableStage compute;
+};
+
+//TODO: Serializable
+// https://bugzilla.mozilla.org/show_bug.cgi?id=1696219
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPURenderPipeline {
+};
+GPURenderPipeline includes GPUObjectBase;
+GPURenderPipeline includes GPUPipelineBase;
+
+dictionary GPURenderPipelineDescriptor : GPUPipelineDescriptorBase {
+    required GPUVertexState vertex;
+    GPUPrimitiveState primitive = {};
+    GPUDepthStencilState depthStencil;
+    GPUMultisampleState multisample = {};
+    GPUFragmentState fragment;
+};
+
+dictionary GPUPrimitiveState {
+    GPUPrimitiveTopology topology = "triangle-list";
+    GPUIndexFormat stripIndexFormat;
+    GPUFrontFace frontFace = "ccw";
+    GPUCullMode cullMode = "none";
+    // Enable depth clamping (requires "depth-clamping" feature)
+    boolean clampDepth = false;
+};
+
+enum GPUPrimitiveTopology {
+    "point-list",
+    "line-list",
+    "line-strip",
+    "triangle-list",
+    "triangle-strip"
+};
+
+enum GPUFrontFace {
+    "ccw",
+    "cw"
+};
+
+enum GPUCullMode {
+    "none",
+    "front",
+    "back"
+};
+
+dictionary GPUMultisampleState {
+    GPUSize32 count = 1;
+    GPUSampleMask mask = 0xFFFFFFFF;
+    boolean alphaToCoverageEnabled = false;
+};
+
+dictionary GPUFragmentState: GPUProgrammableStage {
+    required sequence<GPUColorTargetState> targets;
+};
+
+dictionary GPUColorTargetState {
+    required GPUTextureFormat format;
+    GPUBlendState blend;
+    GPUColorWriteFlags writeMask = 0xF;  // GPUColorWrite.ALL
+};
+
+dictionary GPUBlendState {
+    required GPUBlendComponent color;
+    required GPUBlendComponent alpha;
+};
+
+typedef [EnforceRange] unsigned long GPUColorWriteFlags;
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUColorWrite {
+    const GPUColorWriteFlags RED    = 0x1;
+    const GPUColorWriteFlags GREEN  = 0x2;
+    const GPUColorWriteFlags BLUE   = 0x4;
+    const GPUColorWriteFlags ALPHA  = 0x8;
+    const GPUColorWriteFlags ALL    = 0xF;
+};
+
+dictionary GPUBlendComponent {
+    GPUBlendFactor srcFactor = "one";
+    GPUBlendFactor dstFactor = "zero";
+    GPUBlendOperation operation = "add";
+};
+
+enum GPUBlendFactor {
+    "zero",
+    "one",
+    "src",
+    "one-minus-src",
+    "src-alpha",
+    "one-minus-src-alpha",
+    "dst",
+    "one-minus-dst",
+    "dst-alpha",
+    "one-minus-dst-alpha",
+    "src-alpha-saturated",
+    "constant",
+    "one-minus-constant",
+};
+
+enum GPUBlendOperation {
+    "add",
+    "subtract",
+    "reverse-subtract",
+    "min",
+    "max"
+};
+
+dictionary GPUDepthStencilState {
+    required GPUTextureFormat format;
+
+    boolean depthWriteEnabled = false;
+    GPUCompareFunction depthCompare = "always";
+
+    GPUStencilFaceState stencilFront = {};
+    GPUStencilFaceState stencilBack = {};
+
+    GPUStencilValue stencilReadMask = 0xFFFFFFFF;
+    GPUStencilValue stencilWriteMask = 0xFFFFFFFF;
+
+    GPUDepthBias depthBias = 0;
+    float depthBiasSlopeScale = 0;
+    float depthBiasClamp = 0;
+};
+
+dictionary GPUStencilFaceState {
+    GPUCompareFunction compare = "always";
+    GPUStencilOperation failOp = "keep";
+    GPUStencilOperation depthFailOp = "keep";
+    GPUStencilOperation passOp = "keep";
+};
+
+enum GPUStencilOperation {
+    "keep",
+    "zero",
+    "replace",
+    "invert",
+    "increment-clamp",
+    "decrement-clamp",
+    "increment-wrap",
+    "decrement-wrap"
+};
+
+enum GPUIndexFormat {
+    "uint16",
+    "uint32",
+};
+
+enum GPUVertexFormat {
+    "uint8x2",
+    "uint8x4",
+    "sint8x2",
+    "sint8x4",
+    "unorm8x2",
+    "unorm8x4",
+    "snorm8x2",
+    "snorm8x4",
+    "uint16x2",
+    "uint16x4",
+    "sint16x2",
+    "sint16x4",
+    "unorm16x2",
+    "unorm16x4",
+    "snorm16x2",
+    "snorm16x4",
+    "float16x2",
+    "float16x4",
+    "float32",
+    "float32x2",
+    "float32x3",
+    "float32x4",
+    "uint32",
+    "uint32x2",
+    "uint32x3",
+    "uint32x4",
+    "sint32",
+    "sint32x2",
+    "sint32x3",
+    "sint32x4",
+};
+
+enum GPUVertexStepMode {
+    "vertex",
+    "instance",
+};
+
+dictionary GPUVertexState: GPUProgrammableStage {
+    sequence<GPUVertexBufferLayout?> buffers = [];
+};
+
+dictionary GPUVertexBufferLayout {
+    required GPUSize64 arrayStride;
+    GPUVertexStepMode stepMode = "vertex";
+    required sequence<GPUVertexAttribute> attributes;
+};
+
+dictionary GPUVertexAttribute {
+    required GPUVertexFormat format;
+    required GPUSize64 offset;
+    required GPUIndex32 shaderLocation;
+};
+
+dictionary GPUImageDataLayout {
+    GPUSize64 offset = 0;
+    GPUSize32 bytesPerRow;
+    GPUSize32 rowsPerImage;
+};
+
+dictionary GPUImageCopyBuffer : GPUImageDataLayout {
+    required GPUBuffer buffer;
+};
+
+dictionary GPUImageCopyExternalImage {
+    required (ImageBitmap or HTMLCanvasElement or OffscreenCanvas) source;
+    GPUOrigin2D origin = {};
+    boolean flipY = false;
+};
+
+dictionary GPUImageCopyTexture {
+    required GPUTexture texture;
+    GPUIntegerCoordinate mipLevel = 0;
+    GPUOrigin3D origin;
+    GPUTextureAspect aspect = "all";
+};
+
+dictionary GPUImageCopyTextureTagged : GPUImageCopyTexture {
+    //GPUPredefinedColorSpace colorSpace = "srgb"; //TODO
+    boolean premultipliedAlpha = false;
+};
+
+dictionary GPUImageBitmapCopyView {
+    //required ImageBitmap imageBitmap; //TODO
+    GPUOrigin2D origin;
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUCommandBuffer {
+};
+GPUCommandBuffer includes GPUObjectBase;
+
+// Command Buffer
+dictionary GPUCommandBufferDescriptor : GPUObjectDescriptorBase {
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUCommandEncoder {
+    [NewObject]
+    GPUComputePassEncoder beginComputePass(optional GPUComputePassDescriptor descriptor = {});
+    [NewObject]
+    GPURenderPassEncoder beginRenderPass(GPURenderPassDescriptor descriptor);
+
+    undefined copyBufferToBuffer(
+        GPUBuffer source,
+        GPUSize64 sourceOffset,
+        GPUBuffer destination,
+        GPUSize64 destinationOffset,
+        GPUSize64 size);
+
+    undefined copyBufferToTexture(
+        GPUImageCopyBuffer source,
+        GPUImageCopyTexture destination,
+        GPUExtent3D copySize);
+
+    undefined copyTextureToBuffer(
+        GPUImageCopyTexture source,
+        GPUImageCopyBuffer destination,
+        GPUExtent3D copySize);
+
+    undefined copyTextureToTexture(
+        GPUImageCopyTexture source,
+        GPUImageCopyTexture destination,
+        GPUExtent3D copySize);
+
+    /*
+    undefined copyImageBitmapToTexture(
+        GPUImageBitmapCopyView source,
+        GPUImageCopyTexture destination,
+        GPUExtent3D copySize);
+    */
+
+    undefined pushDebugGroup(USVString groupLabel);
+    undefined popDebugGroup();
+    undefined insertDebugMarker(USVString markerLabel);
+
+    [NewObject]
+    GPUCommandBuffer finish(optional GPUCommandBufferDescriptor descriptor = {});
+};
+GPUCommandEncoder includes GPUObjectBase;
+
+dictionary GPUCommandEncoderDescriptor : GPUObjectDescriptorBase {
+};
+
+interface mixin GPUProgrammablePassEncoder {
+    undefined setBindGroup(GPUIndex32 index, GPUBindGroup bindGroup,
+                           optional sequence<GPUBufferDynamicOffset> dynamicOffsets = []);
+
+    undefined pushDebugGroup(USVString groupLabel);
+    undefined popDebugGroup();
+    undefined insertDebugMarker(USVString markerLabel);
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUComputePassEncoder {
+    undefined setPipeline(GPUComputePipeline pipeline);
+    undefined dispatchWorkgroups(GPUSize32 x, optional GPUSize32 y = 1, optional GPUSize32 z = 1);
+    [Pref="dom.webgpu.indirect-dispatch.enabled"]
+    undefined dispatchWorkgroupsIndirect(GPUBuffer indirectBuffer, GPUSize64 indirectOffset);
+
+    [Throws]
+    undefined end();
+};
+GPUComputePassEncoder includes GPUObjectBase;
+GPUComputePassEncoder includes GPUProgrammablePassEncoder;
+
+dictionary GPUComputePassDescriptor : GPUObjectDescriptorBase {
+};
+
+interface mixin GPURenderEncoderBase {
+    undefined setPipeline(GPURenderPipeline pipeline);
+
+    undefined setIndexBuffer(GPUBuffer buffer, GPUIndexFormat indexFormat, optional GPUSize64 offset = 0, optional GPUSize64 size = 0);
+    undefined setVertexBuffer(GPUIndex32 slot, GPUBuffer buffer, optional GPUSize64 offset = 0, optional GPUSize64 size = 0);
+
+    undefined draw(GPUSize32 vertexCount,
+                   optional GPUSize32 instanceCount = 1,
+                   optional GPUSize32 firstVertex = 0,
+                   optional GPUSize32 firstInstance = 0);
+    undefined drawIndexed(GPUSize32 indexCount,
+                          optional GPUSize32 instanceCount = 1,
+                          optional GPUSize32 firstIndex = 0,
+                          optional GPUSignedOffset32 baseVertex = 0,
+                          optional GPUSize32 firstInstance = 0);
+
+    [Pref="dom.webgpu.indirect-dispatch.enabled"]
+    undefined drawIndirect(GPUBuffer indirectBuffer, GPUSize64 indirectOffset);
+    [Pref="dom.webgpu.indirect-dispatch.enabled"]
+    undefined drawIndexedIndirect(GPUBuffer indirectBuffer, GPUSize64 indirectOffset);
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPURenderPassEncoder {
+    undefined setViewport(float x, float y,
+                          float width, float height,
+                          float minDepth, float maxDepth);
+
+    undefined setScissorRect(GPUIntegerCoordinate x, GPUIntegerCoordinate y,
+                             GPUIntegerCoordinate width, GPUIntegerCoordinate height);
+
+    undefined setBlendConstant(GPUColor color);
+    undefined setStencilReference(GPUStencilValue reference);
+
+    //undefined beginOcclusionQuery(GPUSize32 queryIndex);
+    //undefined endOcclusionQuery();
+
+    //undefined beginPipelineStatisticsQuery(GPUQuerySet querySet, GPUSize32 queryIndex);
+    //undefined endPipelineStatisticsQuery();
+
+    //undefined writeTimestamp(GPUQuerySet querySet, GPUSize32 queryIndex);
+
+    undefined executeBundles(sequence<GPURenderBundle> bundles);
+
+    [Throws]
+    undefined end();
+};
+GPURenderPassEncoder includes GPUObjectBase;
+GPURenderPassEncoder includes GPUProgrammablePassEncoder;
+GPURenderPassEncoder includes GPURenderEncoderBase;
+
+dictionary GPURenderPassDescriptor : GPUObjectDescriptorBase {
+    required sequence<GPURenderPassColorAttachment> colorAttachments;
+    GPURenderPassDepthStencilAttachment depthStencilAttachment;
+    GPUQuerySet occlusionQuerySet;
+};
+
+dictionary GPURenderPassColorAttachment {
+    required GPUTextureView view;
+    GPUTextureView resolveTarget;
+
+    GPUColor clearValue;
+    required GPULoadOp loadOp;
+    required GPUStoreOp storeOp;
+};
+
+dictionary GPURenderPassDepthStencilAttachment {
+    required GPUTextureView view;
+
+    float depthClearValue;
+    GPULoadOp depthLoadOp;
+    GPUStoreOp depthStoreOp;
+    boolean depthReadOnly = false;
+
+    GPUStencilValue stencilClearValue = 0;
+    GPULoadOp stencilLoadOp;
+    GPUStoreOp stencilStoreOp;
+    boolean stencilReadOnly = false;
+};
+
+enum GPULoadOp {
+    "load",
+    "clear"
+};
+
+enum GPUStoreOp {
+    "store",
+    "discard"
+};
+
+dictionary GPURenderPassLayout: GPUObjectDescriptorBase {
+    required sequence<GPUTextureFormat> colorFormats;
+    GPUTextureFormat depthStencilFormat;
+    GPUSize32 sampleCount = 1;
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPURenderBundle {
+};
+GPURenderBundle includes GPUObjectBase;
+
+dictionary GPURenderBundleDescriptor : GPUObjectDescriptorBase {
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPURenderBundleEncoder {
+    GPURenderBundle finish(optional GPURenderBundleDescriptor descriptor = {});
+};
+GPURenderBundleEncoder includes GPUObjectBase;
+GPURenderBundleEncoder includes GPUProgrammablePassEncoder;
+GPURenderBundleEncoder includes GPURenderEncoderBase;
+
+dictionary GPURenderBundleEncoderDescriptor : GPURenderPassLayout {
+    boolean depthReadOnly = false;
+    boolean stencilReadOnly = false;
+};
+
+//TODO: use [AllowShared] on BufferSource
+// https://bugzilla.mozilla.org/show_bug.cgi?id=1696216
+// https://github.com/heycam/webidl/issues/961
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUQueue {
+    undefined submit(sequence<GPUCommandBuffer> buffers);
+
+    //TODO:
+    //Promise<undefined> onSubmittedWorkDone();
+
+    [Throws]
+    undefined writeBuffer(
+        GPUBuffer buffer,
+        GPUSize64 bufferOffset,
+        BufferSource data,
+        optional GPUSize64 dataOffset = 0,
+        optional GPUSize64 size);
+
+    [Throws]
+    undefined writeTexture(
+      GPUImageCopyTexture destination,
+      BufferSource data,
+      GPUImageDataLayout dataLayout,
+      GPUExtent3D size);
+
+    [Throws]
+    undefined copyExternalImageToTexture(
+      GPUImageCopyExternalImage source,
+      GPUImageCopyTextureTagged destination,
+      GPUExtent3D copySize);
+};
+GPUQueue includes GPUObjectBase;
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUQuerySet {
+    undefined destroy();
+};
+GPUQuerySet includes GPUObjectBase;
+
+dictionary GPUQuerySetDescriptor : GPUObjectDescriptorBase {
+    required GPUQueryType type;
+    required GPUSize32 count;
+    sequence<GPUPipelineStatisticName> pipelineStatistics = [];
+};
+
+enum GPUPipelineStatisticName {
+    "vertex-shader-invocations",
+    "clipper-invocations",
+    "clipper-primitives-out",
+    "fragment-shader-invocations",
+    "compute-shader-invocations"
+};
+
+enum GPUQueryType {
+    "occlusion",
+    "pipeline-statistics",
+    "timestamp"
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUCanvasContext {
+    readonly attribute (HTMLCanvasElement or OffscreenCanvas) canvas;
+
+    // Calling configure() a second time invalidates the previous one,
+    // and all of the textures it's produced.
+    undefined configure(GPUCanvasConfiguration descriptor);
+    undefined unconfigure();
+
+    [Throws]
+    GPUTexture getCurrentTexture();
+};
+
+enum GPUCanvasCompositingAlphaMode {
+    "opaque",
+    "premultiplied",
+};
+
+dictionary GPUCanvasConfiguration {
+    required GPUDevice device;
+    required GPUTextureFormat format;
+    GPUTextureUsageFlags usage = 0x10; //GPUTextureUsage.OUTPUT_ATTACHMENT
+    //GPUPredefinedColorSpace colorSpace = "srgb"; //TODO
+    GPUCanvasCompositingAlphaMode compositingAlphaMode = "opaque";
+};
+
+enum GPUDeviceLostReason {
+    "destroyed",
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUDeviceLostInfo {
+    readonly attribute any reason; // GPUDeviceLostReason or undefined
+    readonly attribute DOMString message;
+};
+
+partial interface GPUDevice {
+    [Throws]
+    readonly attribute Promise<GPUDeviceLostInfo> lost;
+    undefined pushErrorScope(GPUErrorFilter filter);
+    [NewObject]
+    Promise<GPUError?> popErrorScope();
+    [Exposed=(Window /* ,DedicatedWorker */)]
+    attribute EventHandler onuncapturederror;
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUOutOfMemoryError {
+    //constructor();
+};
+
+[Pref="dom.webgpu.enabled",
+ Exposed=(Window /* ,DedicatedWorker */), SecureContext]
+interface GPUValidationError {
+    [Throws]
+    constructor(DOMString message);
+    readonly attribute DOMString message;
+};
+
+typedef (GPUOutOfMemoryError or GPUValidationError) GPUError;
+
+enum GPUErrorFilter {
+    "out-of-memory",
+    "validation"
+};
+
+typedef [EnforceRange] unsigned long GPUBufferDynamicOffset;
+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;
+    GPUIntegerCoordinate height = 1;
+    GPUIntegerCoordinate depthOrArrayLayers = 1;
+};
+typedef (sequence<GPUIntegerCoordinate> or GPUExtent3DDict) GPUExtent3D;