1 files changed, 1023 insertions, 0 deletions
diff --git a/op_crates/webgpu/webgpu.idl b/op_crates/webgpu/webgpu.idl
new file mode 100644
index 000000000..598df7efb
--- /dev/null
+++ b/op_crates/webgpu/webgpu.idl
@@ -0,0 +1,1023 @@
+interface mixin GPUObjectBase {
+    attribute USVString? label;
+};
+
+dictionary GPUObjectDescriptorBase {
+    USVString label;
+};
+
+interface GPUAdapterLimits {
+    readonly attribute GPUSize32 maxTextureDimension1D;
+    readonly attribute GPUSize32 maxTextureDimension2D;
+    readonly attribute GPUSize32 maxTextureDimension3D;
+    readonly attribute GPUSize32 maxTextureArrayLayers;
+    readonly attribute GPUSize32 maxBindGroups;
+    readonly attribute GPUSize32 maxDynamicUniformBuffersPerPipelineLayout;
+    readonly attribute GPUSize32 maxDynamicStorageBuffersPerPipelineLayout;
+    readonly attribute GPUSize32 maxSampledTexturesPerShaderStage;
+    readonly attribute GPUSize32 maxSamplersPerShaderStage;
+    readonly attribute GPUSize32 maxStorageBuffersPerShaderStage;
+    readonly attribute GPUSize32 maxStorageTexturesPerShaderStage;
+    readonly attribute GPUSize32 maxUniformBuffersPerShaderStage;
+    readonly attribute GPUSize32 maxUniformBufferBindingSize;
+    readonly attribute GPUSize32 maxStorageBufferBindingSize;
+    readonly attribute GPUSize32 maxVertexBuffers;
+    readonly attribute GPUSize32 maxVertexAttributes;
+    readonly attribute GPUSize32 maxVertexBufferArrayStride;
+};
+
+interface GPUAdapterFeatures {
+    readonly setlike<GPUFeatureName>;
+};
+
+[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;
+    [SameObject] readonly attribute GPUAdapterFeatures features;
+    [SameObject] readonly attribute GPUAdapterLimits limits;
+
+    Promise<GPUDevice?> requestDevice(optional GPUDeviceDescriptor descriptor = {});
+};
+
+dictionary GPUDeviceDescriptor : GPUObjectDescriptorBase {
+    sequence<GPUFeatureName> nonGuaranteedFeatures = [];
+    record<DOMString, GPUSize32> nonGuaranteedLimits = {};
+};
+
+enum GPUFeatureName {
+    "depth-clamping",
+    "depth24unorm-stencil8",
+    "depth32float-stencil8",
+    "pipeline-statistics-query",
+    "texture-compression-bc",
+    "timestamp-query",
+};
+
+[Exposed=(Window, DedicatedWorker), Serializable]
+interface GPUDevice : EventTarget {
+    [SameObject] readonly attribute GPUAdapter adapter;
+    readonly attribute FrozenArray<GPUFeatureName> features;
+    readonly attribute object limits;
+
+    [SameObject] readonly attribute GPUQueue queue;
+
+    undefined destroy();
+
+    GPUBuffer createBuffer(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);
+    Promise<GPUComputePipeline> createComputePipelineAsync(GPUComputePipelineDescriptor descriptor);
+    Promise<GPURenderPipeline> createRenderPipelineAsync(GPURenderPipelineDescriptor descriptor);
+
+    GPUCommandEncoder createCommandEncoder(optional GPUCommandEncoderDescriptor descriptor = {});
+    GPURenderBundleEncoder createRenderBundleEncoder(GPURenderBundleEncoderDescriptor descriptor);
+
+    GPUQuerySet createQuerySet(GPUQuerySetDescriptor descriptor);
+};
+GPUDevice includes GPUObjectBase;
+
+[Serializable]
+interface GPUBuffer {
+    Promise<undefined> mapAsync(GPUMapModeFlags mode, optional GPUSize64 offset = 0, optional GPUSize64 size);
+    ArrayBuffer getMappedRange(optional GPUSize64 offset = 0, optional GPUSize64 size);
+    undefined unmap();
+
+    undefined destroy();
+};
+GPUBuffer includes GPUObjectBase;
+
+dictionary GPUBufferDescriptor : GPUObjectDescriptorBase {
+    required GPUSize64 size;
+    required GPUBufferUsageFlags usage;
+    boolean mappedAtCreation = false;
+};
+
+typedef [EnforceRange] unsigned long GPUBufferUsageFlags;
+interface GPUBufferUsage {
+    const GPUFlagsConstant MAP_READ      = 0x0001;
+    const GPUFlagsConstant MAP_WRITE     = 0x0002;
+    const GPUFlagsConstant COPY_SRC      = 0x0004;
+    const GPUFlagsConstant COPY_DST      = 0x0008;
+    const GPUFlagsConstant INDEX         = 0x0010;
+    const GPUFlagsConstant VERTEX        = 0x0020;
+    const GPUFlagsConstant UNIFORM       = 0x0040;
+    const GPUFlagsConstant STORAGE       = 0x0080;
+    const GPUFlagsConstant INDIRECT      = 0x0100;
+    const GPUFlagsConstant QUERY_RESOLVE = 0x0200;
+};
+
+typedef [EnforceRange] unsigned long GPUMapModeFlags;
+interface GPUMapMode {
+    const GPUFlagsConstant READ  = 0x0001;
+    const GPUFlagsConstant WRITE = 0x0002;
+};
+
+[Serializable]
+interface GPUTexture {
+    GPUTextureView createView(optional GPUTextureViewDescriptor descriptor = {});
+
+    undefined destroy();
+};
+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;
+interface GPUTextureUsage {
+    const GPUFlagsConstant COPY_SRC          = 0x01;
+    const GPUFlagsConstant COPY_DST          = 0x02;
+    const GPUFlagsConstant SAMPLED           = 0x04;
+    const GPUFlagsConstant STORAGE           = 0x08;
+    const GPUFlagsConstant RENDER_ATTACHMENT = 0x10;
+};
+
+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",
+    "rg11b10ufloat",
+
+    // 64-bit formats
+    "rg32uint",
+    "rg32sint",
+    "rg32float",
+    "rgba16uint",
+    "rgba16sint",
+    "rgba16float",
+
+    // 128-bit formats
+    "rgba32uint",
+    "rgba32sint",
+    "rgba32float",
+
+    // Depth and stencil formats
+    "stencil8",
+    "depth16unorm",
+    "depth24plus",
+    "depth24plus-stencil8",
+    "depth32float",
+
+    // 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",
+
+    // "depth24unorm-stencil8" feature
+    "depth24unorm-stencil8",
+
+    // "depth32float-stencil8" feature
+    "depth32float-stencil8",
+};
+
+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;
+    [Clamp] unsigned short maxAnisotropy = 1;
+};
+
+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<GPUBindGroupLayoutEntry> entries;
+};
+
+typedef [EnforceRange] unsigned long GPUShaderStageFlags;
+interface GPUShaderStage {
+    const GPUFlagsConstant VERTEX   = 0x1;
+    const GPUFlagsConstant FRAGMENT = 0x2;
+    const GPUFlagsConstant COMPUTE  = 0x4;
+};
+
+dictionary GPUBindGroupLayoutEntry {
+    required GPUIndex32 binding;
+    required GPUShaderStageFlags visibility;
+
+    GPUBufferBindingLayout buffer;
+    GPUSamplerBindingLayout sampler;
+    GPUTextureBindingLayout texture;
+    GPUStorageTextureBindingLayout storageTexture;
+};
+
+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 {
+    "read-only",
+    "write-only",
+};
+
+dictionary GPUStorageTextureBindingLayout {
+    required GPUStorageTextureAccess access;
+    required GPUTextureFormat format;
+    GPUTextureViewDimension viewDimension = "2d";
+};
+
+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;
+};
+
+[Serializable]
+interface GPUPipelineLayout {
+};
+GPUPipelineLayout includes GPUObjectBase;
+
+dictionary GPUPipelineLayoutDescriptor : GPUObjectDescriptorBase {
+    required sequence<GPUBindGroupLayout> bindGroupLayouts;
+};
+
+enum GPUCompilationMessageType {
+    "error",
+    "warning",
+    "info"
+};
+
+[Serializable]
+interface GPUCompilationMessage {
+    readonly attribute DOMString message;
+    readonly attribute GPUCompilationMessageType type;
+    readonly attribute unsigned long long lineNum;
+    readonly attribute unsigned long long linePos;
+};
+
+[Serializable]
+interface GPUCompilationInfo {
+    readonly attribute FrozenArray<GPUCompilationMessage> messages;
+};
+
+[Serializable]
+interface GPUShaderModule {
+    Promise<GPUCompilationInfo> compilationInfo();
+};
+GPUShaderModule includes GPUObjectBase;
+
+dictionary GPUShaderModuleDescriptor : GPUObjectDescriptorBase {
+    required USVString code;
+    object sourceMap;
+};
+
+dictionary GPUPipelineDescriptorBase : GPUObjectDescriptorBase {
+    GPUPipelineLayout layout;
+};
+
+interface mixin GPUPipelineBase {
+    GPUBindGroupLayout getBindGroupLayout(unsigned long index);
+};
+
+dictionary GPUProgrammableStage {
+    required GPUShaderModule module;
+    required USVString entryPoint;
+};
+
+[Serializable]
+interface GPUComputePipeline {
+};
+GPUComputePipeline includes GPUObjectBase;
+GPUComputePipeline includes GPUPipelineBase;
+
+dictionary GPUComputePipelineDescriptor : GPUPipelineDescriptorBase {
+    required GPUProgrammableStage compute;
+};
+
+[Serializable]
+interface GPURenderPipeline {
+};
+GPURenderPipeline includes GPUObjectBase;
+GPURenderPipeline includes GPUPipelineBase;
+
+dictionary GPURenderPipelineDescriptor : GPUPipelineDescriptorBase {
+    required GPUVertexState vertex;
+    GPUPrimitiveState primitive = {};
+    GPUDepthStencilState depthStencil;
+    GPUMultisampleState multisample = {};
+    GPUFragmentState fragment;
+};
+
+enum GPUPrimitiveTopology {
+    "point-list",
+    "line-list",
+    "line-strip",
+    "triangle-list",
+    "triangle-strip"
+};
+
+dictionary GPUPrimitiveState {
+    GPUPrimitiveTopology topology = "triangle-list";
+    GPUIndexFormat stripIndexFormat;
+    GPUFrontFace frontFace = "ccw";
+    GPUCullMode cullMode = "none";
+};
+
+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;
+interface GPUColorWrite {
+    const GPUFlagsConstant RED   = 0x1;
+    const GPUFlagsConstant GREEN = 0x2;
+    const GPUFlagsConstant BLUE  = 0x4;
+    const GPUFlagsConstant ALPHA = 0x8;
+    const GPUFlagsConstant ALL   = 0xF;
+};
+
+dictionary GPUBlendComponent {
+    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"
+};
+
+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;
+
+    // Enable depth clamping (requires "depth-clamping" feature)
+    boolean clampDepth = false;
+};
+
+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 {
+    "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 GPUVertexState: GPUProgrammableStage {
+    sequence<GPUVertexBufferLayout?> buffers = [];
+};
+
+dictionary GPUVertexBufferLayout {
+    required GPUSize64 arrayStride;
+    GPUInputStepMode stepMode = "vertex";
+    required sequence<GPUVertexAttribute> attributes;
+};
+
+dictionary GPUVertexAttribute {
+    required GPUVertexFormat format;
+    required GPUSize64 offset;
+
+    required GPUIndex32 shaderLocation;
+};
+
+interface GPUCommandBuffer {
+    readonly attribute Promise<double> executionTime;
+};
+GPUCommandBuffer includes GPUObjectBase;
+
+dictionary GPUCommandBufferDescriptor : GPUObjectDescriptorBase {
+};
+
+interface GPUCommandEncoder {
+    GPURenderPassEncoder beginRenderPass(GPURenderPassDescriptor descriptor);
+    GPUComputePassEncoder beginComputePass(optional GPUComputePassDescriptor 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 pushDebugGroup(USVString groupLabel);
+    undefined popDebugGroup();
+    undefined insertDebugMarker(USVString markerLabel);
+
+    undefined writeTimestamp(GPUQuerySet querySet, GPUSize32 queryIndex);
+
+    undefined resolveQuerySet(
+        GPUQuerySet querySet,
+        GPUSize32 firstQuery,
+        GPUSize32 queryCount,
+        GPUBuffer destination,
+        GPUSize64 destinationOffset);
+
+    GPUCommandBuffer finish(optional GPUCommandBufferDescriptor descriptor = {});
+};
+GPUCommandEncoder includes GPUObjectBase;
+
+dictionary GPUCommandEncoderDescriptor : GPUObjectDescriptorBase {
+    boolean measureExecutionTime = false;
+
+    // TODO: reusability flag?
+};
+
+dictionary GPUImageDataLayout {
+    GPUSize64 offset = 0;
+    GPUSize32 bytesPerRow;
+    GPUSize32 rowsPerImage;
+};
+
+dictionary GPUImageCopyBuffer : GPUImageDataLayout {
+    required GPUBuffer buffer;
+};
+
+dictionary GPUImageCopyTexture {
+    required GPUTexture texture;
+    GPUIntegerCoordinate mipLevel = 0;
+    GPUOrigin3D origin = {};
+    GPUTextureAspect aspect = "all";
+};
+
+interface mixin GPUProgrammablePassEncoder {
+    undefined setBindGroup(GPUIndex32 index, GPUBindGroup bindGroup,
+                      optional sequence<GPUBufferDynamicOffset> dynamicOffsets = []);
+
+    undefined setBindGroup(GPUIndex32 index, GPUBindGroup bindGroup,
+                      Uint32Array dynamicOffsetsData,
+                      GPUSize64 dynamicOffsetsDataStart,
+                      GPUSize32 dynamicOffsetsDataLength);
+
+    undefined pushDebugGroup(USVString groupLabel);
+    undefined popDebugGroup();
+    undefined insertDebugMarker(USVString markerLabel);
+};
+
+interface GPUComputePassEncoder {
+    undefined setPipeline(GPUComputePipeline pipeline);
+    undefined dispatch(GPUSize32 x, optional GPUSize32 y = 1, optional GPUSize32 z = 1);
+    undefined dispatchIndirect(GPUBuffer indirectBuffer, GPUSize64 indirectOffset);
+
+    undefined beginPipelineStatisticsQuery(GPUQuerySet querySet, GPUSize32 queryIndex);
+    undefined endPipelineStatisticsQuery();
+
+    undefined writeTimestamp(GPUQuerySet querySet, GPUSize32 queryIndex);
+
+    undefined endPass();
+};
+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);
+
+    undefined drawIndirect(GPUBuffer indirectBuffer, GPUSize64 indirectOffset);
+    undefined drawIndexedIndirect(GPUBuffer indirectBuffer, GPUSize64 indirectOffset);
+};
+
+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 setBlendColor(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);
+    undefined endPass();
+};
+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;
+
+    required (GPULoadOp or GPUColor) loadValue;
+    GPUStoreOp storeOp = "store";
+};
+
+dictionary GPURenderPassDepthStencilAttachment {
+    required GPUTextureView view;
+
+    required (GPULoadOp or float) depthLoadValue;
+    required GPUStoreOp depthStoreOp;
+    boolean depthReadOnly = false;
+
+    required (GPULoadOp or GPUStencilValue) stencilLoadValue;
+    required GPUStoreOp stencilStoreOp;
+    boolean stencilReadOnly = false;
+};
+
+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 {
+    undefined submit(sequence<GPUCommandBuffer> commandBuffers);
+
+    Promise<undefined> onSubmittedWorkDone();
+
+    undefined writeBuffer(
+        GPUBuffer buffer,
+        GPUSize64 bufferOffset,
+        [AllowShared] BufferSource data,
+        optional GPUSize64 dataOffset = 0,
+        optional GPUSize64 size);
+
+    undefined writeTexture(
+      GPUImageCopyTexture destination,
+      [AllowShared] BufferSource data,
+      GPUImageDataLayout dataLayout,
+      GPUExtent3D size);
+};
+GPUQueue includes GPUObjectBase;
+
+interface GPUQuerySet {
+    undefined destroy();
+};
+GPUQuerySet includes GPUObjectBase;
+
+dictionary GPUQuerySetDescriptor : GPUObjectDescriptorBase {
+    required GPUQueryType type;
+    required GPUSize32 count;
+    sequence<GPUPipelineStatisticName> pipelineStatistics = [];
+};
+
+enum GPUQueryType {
+    "occlusion",
+    "pipeline-statistics",
+    "timestamp"
+};
+
+enum GPUPipelineStatisticName {
+    "vertex-shader-invocations",
+    "clipper-invocations",
+    "clipper-primitives-out",
+    "fragment-shader-invocations",
+    "compute-shader-invocations"
+};
+
+enum GPUDeviceLostReason {
+    "destroyed",
+};
+
+interface GPUDeviceLostInfo {
+    readonly attribute (GPUDeviceLostReason or undefined) reason;
+    readonly attribute DOMString message;
+};
+
+partial interface GPUDevice {
+    readonly attribute Promise<GPUDeviceLostInfo> lost;
+};
+
+enum GPUErrorFilter {
+    "out-of-memory",
+    "validation"
+};
+
+interface GPUOutOfMemoryError {
+    constructor();
+};
+
+interface GPUValidationError {
+    constructor(DOMString message);
+    readonly attribute DOMString message;
+};
+
+typedef (GPUOutOfMemoryError or GPUValidationError) GPUError;
+
+partial interface GPUDevice {
+    undefined 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 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;
+
+typedef unsigned long GPUFlagsConstant;
+
+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 {
+    GPUIntegerCoordinate width = 1;
+    GPUIntegerCoordinate height = 1;
+    GPUIntegerCoordinate depthOrArrayLayers = 1;
+};
+typedef (sequence<GPUIntegerCoordinate> or GPUExtent3DDict) GPUExtent3D;