gecko-dev/dom/webidl/WebGPU.webidl

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/* -*- 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://github.com/gpuweb/gpuweb/blob/master/design/sketch.webidl
*/
typedef unsigned long u32;
typedef unsigned long long u64;
// ****************************************************************************
// ERROR HANDLING
// ****************************************************************************
enum WebGPULogEntryType {
"device-lost",
"validation-error",
"recoverable-out-of-memory",
};
[Pref="dom.webgpu.enable"]
interface WebGPULogEntry {
readonly attribute WebGPULogEntryType type;
readonly attribute any obj;
readonly attribute DOMString? reason;
};
enum WebGPUObjectStatus {
"valid",
"out-of-memory",
"invalid",
};
typedef (WebGPUBuffer or WebGPUTexture) WebGPUStatusable;
callback WebGPULogCallback = void (WebGPULogEntry error);
// ****************************************************************************
// SHADER RESOURCES (buffer, textures, texture views, samples)
// ****************************************************************************
// Buffer
typedef u32 WebGPUBufferUsageFlags;
[Pref="dom.webgpu.enable"]
interface WebGPUBufferUsage {
const u32 NONE = 0;
const u32 MAP_READ = 1;
const u32 MAP_WRITE = 2;
const u32 TRANSFER_SRC = 4;
const u32 TRANSFER_DST = 8;
const u32 INDEX = 16;
const u32 VERTEX = 32;
const u32 UNIFORM = 64;
const u32 STORAGE = 128;
};
dictionary WebGPUBufferDescriptor {
u32 size;
WebGPUBufferUsageFlags usage;
};
[Pref="dom.webgpu.enable"]
interface WebGPUBuffer {
readonly attribute ArrayBuffer? mapping;
void unmap();
};
// Texture view
dictionary WebGPUTextureViewDescriptor {
// TODO Investigate what goes in there.
};
[Pref="dom.webgpu.enable"]
interface WebGPUTextureView {
};
// Texture
typedef u32 WebGPUTextureDimensionEnum;
[Pref="dom.webgpu.enable"]
interface WebGPUTextureDimension {
const u32 e1D = 0;
const u32 e2D = 1;
const u32 e3D = 2;
// TODO other dimensions (cube, arrays)
};
typedef u32 WebGPUTextureFormatEnum;
[Pref="dom.webgpu.enable"]
interface WebGPUTextureFormat {
const u32 R8_G8_B8_A8_UNORM = 0;
const u32 R8_G8_B8_A8_UINT = 1;
const u32 B8_G8_R8_A8_UNORM = 2;
const u32 D32_FLOAT_S8_UINT = 3;
// TODO other formats
};
typedef u32 WebGPUTextureUsageFlags;
[Pref="dom.webgpu.enable"]
interface WebGPUTextureUsage {
const u32 NONE = 0;
const u32 TRANSFER_SRC = 1;
const u32 TRANSFER_DST = 2;
const u32 SAMPLED = 4;
const u32 STORAGE = 8;
const u32 OUTPUT_ATTACHMENT = 16;
const u32 PRESENT = 32;
};
dictionary WebGPUTextureDescriptor {
u32 width;
u32 height;
u32 depth;
u32 arraySize;
WebGPUTextureDimensionEnum dimension;
WebGPUTextureFormatEnum format;
WebGPUTextureUsageFlags usage;
};
[Pref="dom.webgpu.enable"]
interface WebGPUTexture {
WebGPUTextureView createTextureView(optional WebGPUTextureViewDescriptor desc = {});
};
// Sampler
typedef u32 WebGPUFilterModeEnum;
[Pref="dom.webgpu.enable"]
interface WebGPUFilterMode {
const u32 NEAREST = 0;
const u32 LINEAR = 1;
};
dictionary WebGPUSamplerDescriptor {
WebGPUFilterModeEnum magFilter;
WebGPUFilterModeEnum minFilter;
WebGPUFilterModeEnum mipmapFilter;
};
[Pref="dom.webgpu.enable"]
interface WebGPUSampler {
};
// ****************************************************************************
// BINDING MODEL (bindgroup layout, bindgroup)
// ****************************************************************************
// BindGroupLayout
typedef u32 WebGPUShaderStageFlags;
[Pref="dom.webgpu.enable"]
interface WebGPUShaderStageBit {
const u32 NONE = 0;
const u32 VERTEX = 1;
const u32 FRAGMENT = 2;
const u32 COMPUTE = 4;
};
typedef u32 WebGPUBindingTypeEnum;
[Pref="dom.webgpu.enable"]
interface WebGPUBindingType {
const u32 UNIFORM_BUFFER = 0;
const u32 SAMPLER = 1;
const u32 SAMPLED_TEXTURE = 2;
const u32 STORAGE_BUFFER = 3;
// TODO other binding types (storage images, ...)
};
dictionary WebGPUBindGroupBinding {
WebGPUShaderStageFlags visibility;
WebGPUBindingTypeEnum type;
u32 start;
u32 count;
};
dictionary WebGPUBindGroupLayoutDescriptor {
sequence<WebGPUBindGroupBinding> bindingTypes;
};
[Pref="dom.webgpu.enable"]
interface WebGPUBindGroupLayout {
};
// PipelineLayout
dictionary WebGPUPipelineLayoutDescriptor {
sequence<WebGPUBindGroupLayout> bindGroupLayouts;
};
[Pref="dom.webgpu.enable"]
interface WebGPUPipelineLayout {
};
// BindGroup
/* Moved to WebGPUExtras.webidl for now.
dictionary WebGPUBufferBinding {
WebGPUBuffer buffer;
u32 offset;
u32 size;
};
*/
typedef (WebGPUSampler or WebGPUTextureView or WebGPUBufferBinding) WebGPUBindingResource;
dictionary WebGPUBinding {
sequence<WebGPUBindingResource> resources;
u32 start;
u32 count;
};
dictionary WebGPUBindGroupDescriptor {
WebGPUBindGroupLayout layout;
sequence<WebGPUBinding> bindings;
};
[Pref="dom.webgpu.enable"]
interface WebGPUBindGroup {
};
// ****************************************************************************
// PIPELINE CREATION (blend state, DS state, ..., pipelines)
// ****************************************************************************
// BlendState
typedef u32 WebGPUBlendFactorEnum;
[Pref="dom.webgpu.enable"]
interface WebGPUBlendFactor {
const u32 ZERO = 0;
const u32 ONE = 1;
const u32 SRC_COLOR = 2;
const u32 ONE_MINUS_SRC_COLOR = 3;
const u32 SRC_ALPHA = 4;
const u32 ONE_MINUS_SRC_ALPHA = 5;
const u32 DST_COLOR = 6;
const u32 ONE_MINUS_DST_COLOR = 7;
const u32 DST_ALPHA = 8;
const u32 ONE_MINUS_DST_ALPHA = 9;
const u32 SRC_ALPHA_SATURATED = 10;
const u32 BLEND_COLOR = 11;
const u32 ONE_MINUS_BLEND_COLOR = 12;
};
typedef u32 WebGPUBlendOperationEnum;
[Pref="dom.webgpu.enable"]
interface WebGPUBlendOperation {
const u32 ADD = 0;
const u32 SUBTRACT = 1;
const u32 REVERSE_SUBTRACT = 2;
const u32 MIN = 3;
const u32 MAX = 4;
};
typedef u32 WebGPUColorWriteFlags;
[Pref="dom.webgpu.enable"]
interface WebGPUColorWriteBits {
const u32 NONE = 0;
const u32 RED = 1;
const u32 GREEN = 2;
const u32 BLUE = 4;
const u32 ALPHA = 8;
const u32 ALL = 15;
};
dictionary WebGPUBlendDescriptor {
WebGPUBlendFactorEnum srcFactor;
WebGPUBlendFactorEnum dstFactor;
WebGPUBlendOperationEnum operation;
};
dictionary WebGPUBlendStateDescriptor {
boolean blendEnabled;
WebGPUBlendDescriptor alpha;
WebGPUBlendDescriptor color;
WebGPUColorWriteFlags writeMask;
};
[Pref="dom.webgpu.enable"]
interface WebGPUBlendState {
};
// DepthStencilState
typedef u32 WebGPUCompareFunctionEnum;
[Pref="dom.webgpu.enable"]
interface WebGPUCompareFunction {
const u32 NEVER = 0;
const u32 LESS = 1;
const u32 LESS_EQUAL = 2;
const u32 GREATER = 3;
const u32 GREATER_EQUAL = 4;
const u32 EQUAL = 5;
const u32 NOT_EQUAL = 6;
const u32 ALWAYS = 7;
};
typedef u32 WebGPUStencilOperationEnum;
[Pref="dom.webgpu.enable"]
interface WebGPUStencilOperation {
const u32 KEEP = 0;
const u32 ZERO = 1;
const u32 REPLACE = 2;
const u32 INVERT = 3;
const u32 INCREMENT_CLAMP = 4;
const u32 DECREMENT_CLAMP = 5;
const u32 INCREMENT_WRAP = 6;
const u32 DECREMENT_WRAP = 7;
};
dictionary WebGPUStencilStateFaceDescriptor {
WebGPUCompareFunctionEnum compare;
WebGPUStencilOperationEnum stencilFailOp;
WebGPUStencilOperationEnum depthFailOp;
WebGPUStencilOperationEnum passOp;
};
dictionary WebGPUDepthStencilStateDescriptor {
boolean depthWriteEnabled;
WebGPUCompareFunctionEnum depthCompare;
WebGPUStencilStateFaceDescriptor front;
WebGPUStencilStateFaceDescriptor back;
u32 stencilReadMask;
u32 stencilWriteMask;
};
[Pref="dom.webgpu.enable"]
interface WebGPUDepthStencilState {
};
// InputState
typedef u32 WebGPUIndexFormatEnum;
[Pref="dom.webgpu.enable"]
interface WebGPUIndexFormat {
const u32 UINT16 = 0;
const u32 UINT32 = 1;
};
typedef u32 WebGPUVertexFormatEnum;
[Pref="dom.webgpu.enable"]
interface WebGPUVertexFormat {
const u32 FLOAT_R32_G32_B32_A32 = 0;
const u32 FLOAT_R32_G32_B32 = 1;
const u32 FLOAT_R32_G32 = 2;
const u32 FLOAT_R32 = 3;
// TODO other vertex formats
};
typedef u32 WebGPUInputStepModeEnum;
[Pref="dom.webgpu.enable"]
interface WebGPUInputStepMode {
const u32 VERTEX = 0;
const u32 INSTANCE = 1;
};
dictionary WebGPUVertexAttributeDescriptor {
u32 shaderLocation;
u32 inputSlot;
u32 offset;
WebGPUVertexFormatEnum format;
};
dictionary WebGPUVertexInputDescriptor {
u32 inputSlot;
u32 stride;
WebGPUInputStepModeEnum stepMode;
};
dictionary WebGPUInputStateDescriptor {
WebGPUIndexFormatEnum indexFormat;
sequence<WebGPUVertexAttributeDescriptor> attributes;
sequence<WebGPUVertexInputDescriptor> inputs;
};
[Pref="dom.webgpu.enable"]
interface WebGPUInputState {
};
// ShaderModule
dictionary WebGPUShaderModuleDescriptor {
required ArrayBuffer code;
};
[Pref="dom.webgpu.enable"]
interface WebGPUShaderModule {
};
// AttachmentState
dictionary WebGPUAttachmentStateDescriptor {
sequence<WebGPUTextureFormatEnum> formats;
// TODO other stuff like sample count etc.
};
[Pref="dom.webgpu.enable"]
interface WebGPUAttachmentState {
};
// Common stuff for ComputePipeline and RenderPipeline
typedef u32 WebGPUShaderStageEnum;
[Pref="dom.webgpu.enable"]
interface WebGPUShaderStage {
const u32 VERTEX = 0;
const u32 FRAGMENT = 1;
const u32 COMPUTE = 2;
};
dictionary WebGPUPipelineStageDescriptor {
required WebGPUShaderModule shaderModule;
required WebGPUShaderStageEnum stage;
required DOMString entryPoint;
// TODO other stuff like specialization constants?
};
dictionary WebGPUPipelineDescriptorBase {
required WebGPUPipelineLayout layout;
sequence<WebGPUPipelineStageDescriptor> stages;
};
// ComputePipeline
dictionary WebGPUComputePipelineDescriptor : WebGPUPipelineDescriptorBase {
};
[Pref="dom.webgpu.enable"]
interface WebGPUComputePipeline {
};
// WebGPURenderPipeline
typedef u32 WebGPUPrimitiveTopologyEnum;
[Pref="dom.webgpu.enable"]
interface WebGPUPrimitiveTopology {
const u32 POINT_LIST = 0;
const u32 LINE_LIST = 1;
const u32 LINE_STRIP = 2;
const u32 TRIANGLE_LIST = 3;
const u32 TRIANGLE_STRIP = 4;
};
dictionary WebGPURenderPipelineDescriptor : WebGPUPipelineDescriptorBase {
WebGPUPrimitiveTopologyEnum primitiveTopology;
sequence<WebGPUBlendState> blendState;
WebGPUDepthStencilState depthStencilState;
WebGPUInputState inputState;
WebGPUAttachmentState attachmentState;
// TODO other properties
};
[Pref="dom.webgpu.enable"]
interface WebGPURenderPipeline {
};
// ****************************************************************************
// COMMAND RECORDING (Command buffer and all relevant structures)
// ****************************************************************************
typedef u32 WebGPULoadOpEnum;
[Pref="dom.webgpu.enable"]
interface WebGPULoadOp {
const u32 CLEAR = 0;
const u32 LOAD = 1;
};
typedef u32 WebGPUStoreOpEnum;
[Pref="dom.webgpu.enable"]
interface WebGPUStoreOp {
const u32 STORE = 0;
};
dictionary WebGPURenderPassAttachmentDescriptor {
WebGPUTextureView attachment;
WebGPULoadOpEnum loadOp;
WebGPUStoreOpEnum storeOp;
};
dictionary WebGPURenderPassDescriptor {
sequence<WebGPURenderPassAttachmentDescriptor> colorAttachments;
WebGPURenderPassAttachmentDescriptor depthStencilAttachment;
};
[Pref="dom.webgpu.enable"]
interface WebGPUCommandBuffer {
};
dictionary WebGPUCommandEncoderDescriptor {
};
[Pref="dom.webgpu.enable"]
interface WebGPUCommandEncoder {
WebGPUCommandBuffer finishEncoding();
// Commands allowed outside of "passes"
void copyBufferToBuffer(WebGPUBuffer src,
u32 srcOffset,
WebGPUBuffer dst,
u32 dstOffset,
u32 size);
// TODO figure out all the arguments required for these
void copyBufferToTexture();
void copyTextureToBuffer();
void copyTextureToTexture();
void blit();
void transitionBuffer(WebGPUBuffer b, WebGPUBufferUsageFlags f);
// Allowed in both compute and render passes
void setPushConstants(WebGPUShaderStageFlags stage,
u32 offset,
u32 count,
ArrayBuffer data);
void setBindGroup(u32 index, WebGPUBindGroup bindGroup);
void setPipeline((WebGPUComputePipeline or WebGPURenderPipeline) pipeline);
// Compute pass commands
void beginComputePass();
void endComputePass();
void dispatch(u32 x, u32 y, u32 z);
// Render pass commands
void beginRenderPass(optional WebGPURenderPassDescriptor descriptor = {});
void endRenderPass();
void setBlendColor(float r, float g, float b, float a);
void setIndexBuffer(WebGPUBuffer buffer, u32 offset);
void setVertexBuffers(u32 startSlot, sequence<WebGPUBuffer> buffers, sequence<u32> offsets);
void draw(u32 vertexCount, u32 instanceCount, u32 firstVertex, u32 firstInstance);
void drawIndexed(u32 indexCount, u32 instanceCount, u32 firstIndex, u32 firstInstance, u32 firstVertex);
// TODO add missing commands
};
// ****************************************************************************
// OTHER (Fence, Queue SwapChain, Device)
// ****************************************************************************
// Fence
[Pref="dom.webgpu.enable"]
interface WebGPUFence {
boolean wait(double milliseconds);
readonly attribute Promise<void> promise;
};
// Queue
[Pref="dom.webgpu.enable"]
interface WebGPUQueue {
void submit(sequence<WebGPUCommandBuffer> buffers);
WebGPUFence insertFence();
};
// SwapChain / RenderingContext
dictionary WebGPUSwapChainDescriptor {
WebGPUTextureUsageFlags usage;
WebGPUTextureFormatEnum format;
u32 width;
u32 height;
};
[Pref="dom.webgpu.enable"]
interface WebGPUSwapChain {
void configure(optional WebGPUSwapChainDescriptor descriptor = {});
WebGPUTexture getNextTexture();
void present();
};
//[Pref="dom.webgpu.enable"]
//interface WebGPURenderingContext : WebGPUSwapChain {
//};
// WebGPU "namespace" used for device creation
dictionary WebGPUExtensions {
boolean anisotropicFiltering;
boolean logicOp; // Previously a "Feature".
};
dictionary WebGPULimits {
u32 maxBindGroups;
};
// Device
[Pref="dom.webgpu.enable"]
interface WebGPUDevice {
readonly attribute WebGPUAdapter adapter;
WebGPUExtensions extensions();
WebGPULimits limits();
WebGPUBuffer createBuffer(optional WebGPUBufferDescriptor descriptor = {});
WebGPUTexture createTexture(optional WebGPUTextureDescriptor descriptor = {});
WebGPUSampler createSampler(optional WebGPUSamplerDescriptor descriptor = {});
WebGPUBindGroupLayout createBindGroupLayout(optional WebGPUBindGroupLayoutDescriptor descriptor = {});
WebGPUPipelineLayout createPipelineLayout(optional WebGPUPipelineLayoutDescriptor descriptor = {});
WebGPUBindGroup createBindGroup(optional WebGPUBindGroupDescriptor descriptor = {});
WebGPUBlendState createBlendState(optional WebGPUBlendStateDescriptor descriptor = {});
WebGPUDepthStencilState createDepthStencilState(optional WebGPUDepthStencilStateDescriptor descriptor = {});
WebGPUInputState createInputState(optional WebGPUInputStateDescriptor descriptor = {});
WebGPUShaderModule createShaderModule(WebGPUShaderModuleDescriptor descriptor);
WebGPUAttachmentState createAttachmentState(optional WebGPUAttachmentStateDescriptor descriptor = {});
WebGPUComputePipeline createComputePipeline(WebGPUComputePipelineDescriptor descriptor);
WebGPURenderPipeline createRenderPipeline(WebGPURenderPipelineDescriptor descriptor);
WebGPUCommandEncoder createCommandEncoder(optional WebGPUCommandEncoderDescriptor descriptor = {});
WebGPUQueue getQueue();
attribute WebGPULogCallback onLog;
Promise<WebGPUObjectStatus> getObjectStatus(WebGPUStatusable obj);
};
dictionary WebGPUDeviceDescriptor {
WebGPUExtensions extensions;
//WebGPULimits limits; Don't expose higher limits for now.
// TODO are other things configurable like queues?
};
[Pref="dom.webgpu.enable"]
interface WebGPUAdapter {
readonly attribute DOMString name;
WebGPUExtensions extensions();
//WebGPULimits limits(); Don't expose higher limits for now.
WebGPUDevice createDevice(optional WebGPUDeviceDescriptor descriptor = {});
};
enum WebGPUPowerPreference { "default", "low-power", "high-performance" };
dictionary WebGPUAdapterDescriptor {
WebGPUPowerPreference powerPreference;
};
[Pref="dom.webgpu.enable"]
interface WebGPU {
WebGPUAdapter getAdapter(optional WebGPUAdapterDescriptor desc = {});
};
// Add a "webgpu" member to Window that contains the global instance of a "WebGPU"
[NoInterfaceObject]
interface WebGPUProvider {
[SameObject, Replaceable, Pref="dom.webgpu.enable"] readonly attribute WebGPU webgpu;
};
//Window includes WebGPUProvider;