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dawn / dawn / ec98ece30bce8bc4b436b2d968fb1d9596e8a8ef / . / third_party / emdawnwebgpu / library_webgpu.js
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/**
* @license
* Copyright 2019 The Emscripten Authors
* SPDX-License-Identifier: MIT
*/
/*
* Dawn's fork of Emscripten's WebGPU bindings. This will be contributed back to
* Emscripten after reaching approximately webgpu.h "1.0".
*
* IMPORTANT: See //src/emdawnwebgpu/README.md for info on how to use this.
*/
{{{
if (USE_WEBGPU || !__HAVE_EMDAWNWEBGPU_STRUCT_INFO || !__HAVE_EMDAWNWEBGPU_ENUM_TABLES || !__HAVE_EMDAWNWEBGPU_SIG_INFO) {
throw new Error("To use Dawn's library_webgpu.js, disable -sUSE_WEBGPU and first include Dawn's library_webgpu_struct_info.js and library_webgpu_enum_tables.js (before library_webgpu.js)");
}
// Helper functions for code generation
globalThis.gpu = {
convertSentinelToUndefined: function(name) {
return `if (${name} == -1) ${name} = undefined;`;
},
makeGetBool: function(struct, offset) {
return `!!(${makeGetValue(struct, offset, 'u32')})`;
},
makeGetU32: function(struct, offset) {
return makeGetValue(struct, offset, 'u32');
},
makeGetU64: function(struct, offset) {
var l = makeGetValue(struct, offset, 'u32');
var h = makeGetValue(`(${struct} + 4)`, offset, 'u32')
return `${h} * 0x100000000 + ${l}`
},
makeCheck: function(str) {
if (!ASSERTIONS) return '';
return `assert(${str});`;
},
makeCheckDescriptor: function(descriptor) {
// Assert descriptor is non-null, then that its nextInChain is null.
// For descriptors that aren't the first in the chain (e.g
// ShaderSourceSPIRV), there is no .nextInChain pointer, but
// instead a ChainedStruct object: .chain. So we need to check if
// .chain.nextInChain is null. As long as nextInChain and chain are always
// the first member in the struct, descriptor.nextInChain and
// descriptor.chain.nextInChain should have the same offset (0) to the
// descriptor pointer and we can check it to be null.
var OffsetOfNextInChainMember = 0;
return this.makeCheck(descriptor) + this.makeCheck(makeGetValue(descriptor, OffsetOfNextInChainMember, '*') + ' === 0');
},
makeImportJsObject: function(object) {
return `
importJs${object}__deps: ['emwgpuCreate${object}'],
importJs${object}: (obj, parentPtr = 0) => {
var ptr = _emwgpuCreate${object}(parentPtr);
WebGPU.Internals.jsObjects[ptr] = obj;
return ptr;
},
`
},
// Compile-time table for enum integer values used with templating.
// Must be in sync with webgpu.h.
// TODO: Generate this to keep it in sync with webgpu.h
COPY_STRIDE_UNDEFINED: 0xFFFFFFFF,
LIMIT_U32_UNDEFINED: 0xFFFFFFFF,
MIP_LEVEL_COUNT_UNDEFINED: 0xFFFFFFFF,
ARRAY_LAYER_COUNT_UNDEFINED: 0xFFFFFFFF,
...WEBGPU_ENUM_CONSTANT_TABLES,
};
null;
}}}
var LibraryWebGPU = {
$WebGPU__deps: [],
$WebGPU: {
// Note that external users should not depend on any of the internal
// implementation details in this sub-object, as they are subject to
// change to support new features or optimizations. Instead, external
// users should rely only on the public APIs.
Internals: {
// Object management is consolidated into a single table that doesn't
// care about object type, and is keyed on the pointer address.
jsObjects: [],
jsObjectInsert: (ptr, jsObject) => {
WebGPU.Internals.jsObjects[ptr] = jsObject;
},
// Buffer unmapping callbacks are stored in a separate table to keep
// the jsObject table simple.
bufferOnUnmaps: [],
// Future to promise management, and temporary list allocated up-front for
// WaitAny implementation on the promises. Note that all FutureIDs
// (uint64_t) are passed either as a low and high value or by pointer
// because they need to be passed back and forth between JS and C++, and JS
// is currently unable to pass a value to a C++ function as a uint64_t.
// This might be possible with -sWASM_BIGINT, but I was unable to get that
// to work properly at the time of writing.
futures: [],
futureInsert: (futureIdL, futureIdH, promise) => {
#if ASYNCIFY
var futureId = futureIdH * 0x100000000 + futureIdL;
WebGPU.Internals.futures[futureId] =
new Promise((resolve) => promise.finally(() => resolve(futureId)));
#endif
},
waitAnyPromisesList: [],
},
// Public utility functions useful for translating between WASM/JS. Most of
// the import utilities are generated, with some exceptions that are
// explicitly implemented because they have some slight differences. Note
// that all import functions take the expected GPUObject JS types as the
// first argument and an optional second argument that is WGPUObject C type
// (i.e. pointer), that should extend EventSource from webgpu.cpp. The
// second argument is a "parent" object that's needed in order to handle
// WGPUFutures when using in non-AllowSpontaneous mode. For most objects,
// a WGPUDevice would suffice as a parent. For a WGPUDevice, either a
// WGPUAdapter or WGPUInstance would be valid.
getJsObject: (ptr) => {
if (!ptr) return undefined;
#if ASSERTIONS
assert(ptr in WebGPU.Internals.jsObjects);
#endif
return WebGPU.Internals.jsObjects[ptr];
},
{{{ gpu.makeImportJsObject('Adapter') }}}
{{{ gpu.makeImportJsObject('BindGroup') }}}
{{{ gpu.makeImportJsObject('BindGroupLayout') }}}
{{{ gpu.makeImportJsObject('Buffer') }}}
{{{ gpu.makeImportJsObject('CommandBuffer') }}}
{{{ gpu.makeImportJsObject('CommandEncoder') }}}
{{{ gpu.makeImportJsObject('ComputePassEncoder') }}}
{{{ gpu.makeImportJsObject('ComputePipeline') }}}
importJsDevice__deps: ['emwgpuCreateDevice', 'emwgpuCreateQueue'],
importJsDevice: (device, parentPtr = 0) => {
var queuePtr = _emwgpuCreateQueue(parentPtr);
var devicePtr = _emwgpuCreateDevice(parentPtr, queuePtr);
WebGPU.Internals.jsObjectInsert(queuePtr, device.queue);
WebGPU.Internals.jsObjectInsert(devicePtr, device);
return devicePtr;
},
{{{ gpu.makeImportJsObject('BindGroup') }}}
{{{ gpu.makeImportJsObject('PipelineLayout') }}}
{{{ gpu.makeImportJsObject('QuerySet') }}}
{{{ gpu.makeImportJsObject('Queue') }}}
{{{ gpu.makeImportJsObject('RenderBundle') }}}
{{{ gpu.makeImportJsObject('RenderBundleEncoder') }}}
{{{ gpu.makeImportJsObject('RenderPassEncoder') }}}
{{{ gpu.makeImportJsObject('RenderPipeline') }}}
{{{ gpu.makeImportJsObject('Sampler') }}}
{{{ gpu.makeImportJsObject('ShaderModule') }}}
{{{ gpu.makeImportJsObject('Surface') }}}
{{{ gpu.makeImportJsObject('Texture') }}}
{{{ gpu.makeImportJsObject('TextureView') }}}
errorCallback__deps: ['$stackSave', '$stackRestore', '$stringToUTF8OnStack'],
errorCallback: (callback, type, message, userdata) => {
var sp = stackSave();
var messagePtr = stringToUTF8OnStack(message);
{{{ makeDynCall('vipp', 'callback') }}}(type, messagePtr, userdata);
stackRestore(sp);
},
setStringView: (ptr, data, length) => {
{{{ makeSetValue('ptr', C_STRUCTS.WGPUStringView.data, 'data', '*') }}};
{{{ makeSetValue('ptr', C_STRUCTS.WGPUStringView.length, 'length', '*') }}};
},
makeStringFromStringView__deps: ['$UTF8ToString'],
makeStringFromStringView: (stringViewPtr) => {
var ptr = {{{ makeGetValue('stringViewPtr', C_STRUCTS.WGPUStringView.data, '*') }}};
var length = {{{ makeGetValue('stringViewPtr', C_STRUCTS.WGPUStringView.length, '*') }}};
// UTF8ToString stops at the first null terminator character in the
// string regardless of the length.
return UTF8ToString(ptr, length);
},
makeStringFromOptionalStringView__deps: ['$UTF8ToString'],
makeStringFromOptionalStringView: (stringViewPtr) => {
var ptr = {{{ makeGetValue('stringViewPtr', C_STRUCTS.WGPUStringView.data, '*') }}};
var length = {{{ makeGetValue('stringViewPtr', C_STRUCTS.WGPUStringView.length, '*') }}};
// If we don't have a valid string pointer, just return undefined when
// optional.
if (!ptr) {
if (length === 0) {
return "";
}
return undefined;
}
// UTF8ToString stops at the first null terminator character in the
// string regardless of the length.
return UTF8ToString(ptr, length);
},
makeColor: (ptr) => {
return {
"r": {{{ makeGetValue('ptr', 0, 'double') }}},
"g": {{{ makeGetValue('ptr', 8, 'double') }}},
"b": {{{ makeGetValue('ptr', 16, 'double') }}},
"a": {{{ makeGetValue('ptr', 24, 'double') }}},
};
},
makeExtent3D: (ptr) => {
return {
"width": {{{ gpu.makeGetU32('ptr', C_STRUCTS.WGPUExtent3D.width) }}},
"height": {{{ gpu.makeGetU32('ptr', C_STRUCTS.WGPUExtent3D.height) }}},
"depthOrArrayLayers": {{{ gpu.makeGetU32('ptr', C_STRUCTS.WGPUExtent3D.depthOrArrayLayers) }}},
};
},
makeOrigin3D: (ptr) => {
return {
"x": {{{ gpu.makeGetU32('ptr', C_STRUCTS.WGPUOrigin3D.x) }}},
"y": {{{ gpu.makeGetU32('ptr', C_STRUCTS.WGPUOrigin3D.y) }}},
"z": {{{ gpu.makeGetU32('ptr', C_STRUCTS.WGPUOrigin3D.z) }}},
};
},
makeImageCopyTexture: (ptr) => {
{{{ gpu.makeCheck('ptr') }}}
return {
"texture": WebGPU.getJsObject(
{{{ makeGetValue('ptr', C_STRUCTS.WGPUImageCopyTexture.texture, '*') }}}),
"mipLevel": {{{ gpu.makeGetU32('ptr', C_STRUCTS.WGPUImageCopyTexture.mipLevel) }}},
"origin": WebGPU.makeOrigin3D(ptr + {{{ C_STRUCTS.WGPUImageCopyTexture.origin }}}),
"aspect": WebGPU.TextureAspect[{{{ gpu.makeGetU32('ptr', C_STRUCTS.WGPUImageCopyTexture.aspect) }}}],
};
},
makeTextureDataLayout: (ptr) => {
{{{ gpu.makeCheckDescriptor('ptr') }}}
var bytesPerRow = {{{ gpu.makeGetU32('ptr', C_STRUCTS.WGPUTextureDataLayout.bytesPerRow) }}};
var rowsPerImage = {{{ gpu.makeGetU32('ptr', C_STRUCTS.WGPUTextureDataLayout.rowsPerImage) }}};
return {
"offset": {{{ gpu.makeGetU64('ptr', C_STRUCTS.WGPUTextureDataLayout.offset) }}},
"bytesPerRow": bytesPerRow === {{{ gpu.COPY_STRIDE_UNDEFINED }}} ? undefined : bytesPerRow,
"rowsPerImage": rowsPerImage === {{{ gpu.COPY_STRIDE_UNDEFINED }}} ? undefined : rowsPerImage,
};
},
makeImageCopyBuffer: (ptr) => {
{{{ gpu.makeCheck('ptr') }}}
var layoutPtr = ptr + {{{ C_STRUCTS.WGPUImageCopyBuffer.layout }}};
var bufferCopyView = WebGPU.makeTextureDataLayout(layoutPtr);
bufferCopyView["buffer"] = WebGPU.getJsObject(
{{{ makeGetValue('ptr', C_STRUCTS.WGPUImageCopyBuffer.buffer, '*') }}});
return bufferCopyView;
},
makePipelineConstants: (constantCount, constantsPtr) => {
if (!constantCount) return;
var constants = {};
for (var i = 0; i < constantCount; ++i) {
var entryPtr = constantsPtr + {{{ C_STRUCTS.WGPUConstantEntry.__size__ }}} * i;
var key = WebGPU.makeStringFromStringView(entryPtr + {{{ C_STRUCTS.WGPUConstantEntry.key }}});
constants[key] = {{{ makeGetValue('entryPtr', C_STRUCTS.WGPUConstantEntry.value, 'double') }}};
}
return constants;
},
makePipelineLayout: (layoutPtr) => {
if (!layoutPtr) return 'auto';
return WebGPU.getJsObject(layoutPtr);
},
makeProgrammableStageDescriptor: (ptr) => {
if (!ptr) return undefined;
{{{ gpu.makeCheckDescriptor('ptr') }}}
var desc = {
"module": WebGPU.getJsObject(
{{{ makeGetValue('ptr', C_STRUCTS.WGPUProgrammableStageDescriptor.module, '*') }}}),
"constants": WebGPU.makePipelineConstants(
{{{ gpu.makeGetU32('ptr', C_STRUCTS.WGPUProgrammableStageDescriptor.constantCount) }}},
{{{ makeGetValue('ptr', C_STRUCTS.WGPUProgrammableStageDescriptor.constants, '*') }}}),
"entryPoint": WebGPU.makeStringFromOptionalStringView(
ptr + {{{ C_STRUCTS.WGPUProgrammableStageDescriptor.entryPoint }}}),
};
return desc;
},
makeComputePipelineDesc: (descriptor) => {
{{{ gpu.makeCheckDescriptor('descriptor') }}}
var desc = {
"label": WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPUComputePipelineDescriptor.label }}}),
"layout": WebGPU.makePipelineLayout(
{{{ makeGetValue('descriptor', C_STRUCTS.WGPUComputePipelineDescriptor.layout, '*') }}}),
"compute": WebGPU.makeProgrammableStageDescriptor(
descriptor + {{{ C_STRUCTS.WGPUComputePipelineDescriptor.compute }}}),
};
return desc;
},
makeRenderPipelineDesc: (descriptor) => {
{{{ gpu.makeCheckDescriptor('descriptor') }}}
function makePrimitiveState(psPtr) {
if (!psPtr) return undefined;
{{{ gpu.makeCheckDescriptor('psPtr') }}}
return {
"topology": WebGPU.PrimitiveTopology[
{{{ gpu.makeGetU32('psPtr', C_STRUCTS.WGPUPrimitiveState.topology) }}}],
"stripIndexFormat": WebGPU.IndexFormat[
{{{ gpu.makeGetU32('psPtr', C_STRUCTS.WGPUPrimitiveState.stripIndexFormat) }}}],
"frontFace": WebGPU.FrontFace[
{{{ gpu.makeGetU32('psPtr', C_STRUCTS.WGPUPrimitiveState.frontFace) }}}],
"cullMode": WebGPU.CullMode[
{{{ gpu.makeGetU32('psPtr', C_STRUCTS.WGPUPrimitiveState.cullMode) }}}],
"unclippedDepth":
{{{ gpu.makeGetBool('psPtr', C_STRUCTS.WGPUPrimitiveState.unclippedDepth) }}},
};
}
function makeBlendComponent(bdPtr) {
if (!bdPtr) return undefined;
return {
"operation": WebGPU.BlendOperation[
{{{ gpu.makeGetU32('bdPtr', C_STRUCTS.WGPUBlendComponent.operation) }}}],
"srcFactor": WebGPU.BlendFactor[
{{{ gpu.makeGetU32('bdPtr', C_STRUCTS.WGPUBlendComponent.srcFactor) }}}],
"dstFactor": WebGPU.BlendFactor[
{{{ gpu.makeGetU32('bdPtr', C_STRUCTS.WGPUBlendComponent.dstFactor) }}}],
};
}
function makeBlendState(bsPtr) {
if (!bsPtr) return undefined;
return {
"alpha": makeBlendComponent(bsPtr + {{{ C_STRUCTS.WGPUBlendState.alpha }}}),
"color": makeBlendComponent(bsPtr + {{{ C_STRUCTS.WGPUBlendState.color }}}),
};
}
function makeColorState(csPtr) {
{{{ gpu.makeCheckDescriptor('csPtr') }}}
var formatInt = {{{ gpu.makeGetU32('csPtr', C_STRUCTS.WGPUColorTargetState.format) }}};
return formatInt === {{{ gpu.TextureFormat.Undefined }}} ? undefined : {
"format": WebGPU.TextureFormat[formatInt],
"blend": makeBlendState({{{ makeGetValue('csPtr', C_STRUCTS.WGPUColorTargetState.blend, '*') }}}),
"writeMask": {{{ gpu.makeGetU32('csPtr', C_STRUCTS.WGPUColorTargetState.writeMask) }}},
};
}
function makeColorStates(count, csArrayPtr) {
var states = [];
for (var i = 0; i < count; ++i) {
states.push(makeColorState(csArrayPtr + {{{ C_STRUCTS.WGPUColorTargetState.__size__ }}} * i));
}
return states;
}
function makeStencilStateFace(ssfPtr) {
{{{ gpu.makeCheck('ssfPtr') }}}
return {
"compare": WebGPU.CompareFunction[
{{{ gpu.makeGetU32('ssfPtr', C_STRUCTS.WGPUStencilFaceState.compare) }}}],
"failOp": WebGPU.StencilOperation[
{{{ gpu.makeGetU32('ssfPtr', C_STRUCTS.WGPUStencilFaceState.failOp) }}}],
"depthFailOp": WebGPU.StencilOperation[
{{{ gpu.makeGetU32('ssfPtr', C_STRUCTS.WGPUStencilFaceState.depthFailOp) }}}],
"passOp": WebGPU.StencilOperation[
{{{ gpu.makeGetU32('ssfPtr', C_STRUCTS.WGPUStencilFaceState.passOp) }}}],
};
}
function makeDepthStencilState(dssPtr) {
if (!dssPtr) return undefined;
{{{ gpu.makeCheck('dssPtr') }}}
return {
"format": WebGPU.TextureFormat[
{{{ gpu.makeGetU32('dssPtr', C_STRUCTS.WGPUDepthStencilState.format) }}}],
"depthWriteEnabled": {{{ gpu.makeGetBool('dssPtr', C_STRUCTS.WGPUDepthStencilState.depthWriteEnabled) }}},
"depthCompare": WebGPU.CompareFunction[
{{{ gpu.makeGetU32('dssPtr', C_STRUCTS.WGPUDepthStencilState.depthCompare) }}}],
"stencilFront": makeStencilStateFace(dssPtr + {{{ C_STRUCTS.WGPUDepthStencilState.stencilFront }}}),
"stencilBack": makeStencilStateFace(dssPtr + {{{ C_STRUCTS.WGPUDepthStencilState.stencilBack }}}),
"stencilReadMask": {{{ gpu.makeGetU32('dssPtr', C_STRUCTS.WGPUDepthStencilState.stencilReadMask) }}},
"stencilWriteMask": {{{ gpu.makeGetU32('dssPtr', C_STRUCTS.WGPUDepthStencilState.stencilWriteMask) }}},
"depthBias": {{{ makeGetValue('dssPtr', C_STRUCTS.WGPUDepthStencilState.depthBias, 'i32') }}},
"depthBiasSlopeScale": {{{ makeGetValue('dssPtr', C_STRUCTS.WGPUDepthStencilState.depthBiasSlopeScale, 'float') }}},
"depthBiasClamp": {{{ makeGetValue('dssPtr', C_STRUCTS.WGPUDepthStencilState.depthBiasClamp, 'float') }}},
};
}
function makeVertexAttribute(vaPtr) {
{{{ gpu.makeCheck('vaPtr') }}}
return {
"format": WebGPU.VertexFormat[
{{{ gpu.makeGetU32('vaPtr', C_STRUCTS.WGPUVertexAttribute.format) }}}],
"offset": {{{ gpu.makeGetU64('vaPtr', C_STRUCTS.WGPUVertexAttribute.offset) }}},
"shaderLocation": {{{ gpu.makeGetU32('vaPtr', C_STRUCTS.WGPUVertexAttribute.shaderLocation) }}},
};
}
function makeVertexAttributes(count, vaArrayPtr) {
var vas = [];
for (var i = 0; i < count; ++i) {
vas.push(makeVertexAttribute(vaArrayPtr + i * {{{ C_STRUCTS.WGPUVertexAttribute.__size__ }}}));
}
return vas;
}
function makeVertexBuffer(vbPtr) {
if (!vbPtr) return undefined;
var stepModeInt = {{{ gpu.makeGetU32('vbPtr', C_STRUCTS.WGPUVertexBufferLayout.stepMode) }}};
return stepModeInt === {{{ gpu.VertexStepMode.VertexBufferNotUsed }}} ? null : {
"arrayStride": {{{ gpu.makeGetU64('vbPtr', C_STRUCTS.WGPUVertexBufferLayout.arrayStride) }}},
"stepMode": WebGPU.VertexStepMode[stepModeInt],
"attributes": makeVertexAttributes(
{{{ gpu.makeGetU32('vbPtr', C_STRUCTS.WGPUVertexBufferLayout.attributeCount) }}},
{{{ makeGetValue('vbPtr', C_STRUCTS.WGPUVertexBufferLayout.attributes, '*') }}}),
};
}
function makeVertexBuffers(count, vbArrayPtr) {
if (!count) return undefined;
var vbs = [];
for (var i = 0; i < count; ++i) {
vbs.push(makeVertexBuffer(vbArrayPtr + i * {{{ C_STRUCTS.WGPUVertexBufferLayout.__size__ }}}));
}
return vbs;
}
function makeVertexState(viPtr) {
if (!viPtr) return undefined;
{{{ gpu.makeCheckDescriptor('viPtr') }}}
var desc = {
"module": WebGPU.getJsObject(
{{{ makeGetValue('viPtr', C_STRUCTS.WGPUVertexState.module, '*') }}}),
"constants": WebGPU.makePipelineConstants(
{{{ gpu.makeGetU32('viPtr', C_STRUCTS.WGPUVertexState.constantCount) }}},
{{{ makeGetValue('viPtr', C_STRUCTS.WGPUVertexState.constants, '*') }}}),
"buffers": makeVertexBuffers(
{{{ gpu.makeGetU32('viPtr', C_STRUCTS.WGPUVertexState.bufferCount) }}},
{{{ makeGetValue('viPtr', C_STRUCTS.WGPUVertexState.buffers, '*') }}}),
"entryPoint": WebGPU.makeStringFromOptionalStringView(
viPtr + {{{ C_STRUCTS.WGPUVertexState.entryPoint }}}),
};
return desc;
}
function makeMultisampleState(msPtr) {
if (!msPtr) return undefined;
{{{ gpu.makeCheckDescriptor('msPtr') }}}
return {
"count": {{{ gpu.makeGetU32('msPtr', C_STRUCTS.WGPUMultisampleState.count) }}},
"mask": {{{ gpu.makeGetU32('msPtr', C_STRUCTS.WGPUMultisampleState.mask) }}},
"alphaToCoverageEnabled": {{{ gpu.makeGetBool('msPtr', C_STRUCTS.WGPUMultisampleState.alphaToCoverageEnabled) }}},
};
}
function makeFragmentState(fsPtr) {
if (!fsPtr) return undefined;
{{{ gpu.makeCheckDescriptor('fsPtr') }}}
var desc = {
"module": WebGPU.getJsObject(
{{{ makeGetValue('fsPtr', C_STRUCTS.WGPUFragmentState.module, '*') }}}),
"constants": WebGPU.makePipelineConstants(
{{{ gpu.makeGetU32('fsPtr', C_STRUCTS.WGPUFragmentState.constantCount) }}},
{{{ makeGetValue('fsPtr', C_STRUCTS.WGPUFragmentState.constants, '*') }}}),
"targets": makeColorStates(
{{{ gpu.makeGetU32('fsPtr', C_STRUCTS.WGPUFragmentState.targetCount) }}},
{{{ makeGetValue('fsPtr', C_STRUCTS.WGPUFragmentState.targets, '*') }}}),
"entryPoint": WebGPU.makeStringFromOptionalStringView(
fsPtr + {{{ C_STRUCTS.WGPUFragmentState.entryPoint }}}),
};
return desc;
}
var desc = {
"label": WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPURenderPipelineDescriptor.label }}}),
"layout": WebGPU.makePipelineLayout(
{{{ makeGetValue('descriptor', C_STRUCTS.WGPURenderPipelineDescriptor.layout, '*') }}}),
"vertex": makeVertexState(
descriptor + {{{ C_STRUCTS.WGPURenderPipelineDescriptor.vertex }}}),
"primitive": makePrimitiveState(
descriptor + {{{ C_STRUCTS.WGPURenderPipelineDescriptor.primitive }}}),
"depthStencil": makeDepthStencilState(
{{{ makeGetValue('descriptor', C_STRUCTS.WGPURenderPipelineDescriptor.depthStencil, '*') }}}),
"multisample": makeMultisampleState(
descriptor + {{{ C_STRUCTS.WGPURenderPipelineDescriptor.multisample }}}),
"fragment": makeFragmentState(
{{{ makeGetValue('descriptor', C_STRUCTS.WGPURenderPipelineDescriptor.fragment, '*') }}}),
};
return desc;
},
fillLimitStruct: (limits, supportedLimitsOutPtr) => {
var limitsOutPtr = supportedLimitsOutPtr + {{{ C_STRUCTS.WGPUSupportedLimits.limits }}};
function setLimitValueU32(name, limitOffset) {
var limitValue = limits[name];
{{{ makeSetValue('limitsOutPtr', 'limitOffset', 'limitValue', 'i32') }}};
}
function setLimitValueU64(name, limitOffset) {
var limitValue = limits[name];
{{{ makeSetValue('limitsOutPtr', 'limitOffset', 'limitValue', 'i64') }}};
}
setLimitValueU32('maxTextureDimension1D', {{{ C_STRUCTS.WGPULimits.maxTextureDimension1D }}});
setLimitValueU32('maxTextureDimension2D', {{{ C_STRUCTS.WGPULimits.maxTextureDimension2D }}});
setLimitValueU32('maxTextureDimension3D', {{{ C_STRUCTS.WGPULimits.maxTextureDimension3D }}});
setLimitValueU32('maxTextureArrayLayers', {{{ C_STRUCTS.WGPULimits.maxTextureArrayLayers }}});
setLimitValueU32('maxBindGroups', {{{ C_STRUCTS.WGPULimits.maxBindGroups }}});
setLimitValueU32('maxBindGroupsPlusVertexBuffers', {{{ C_STRUCTS.WGPULimits.maxBindGroupsPlusVertexBuffers }}});
setLimitValueU32('maxBindingsPerBindGroup', {{{ C_STRUCTS.WGPULimits.maxBindingsPerBindGroup }}});
setLimitValueU32('maxDynamicUniformBuffersPerPipelineLayout', {{{ C_STRUCTS.WGPULimits.maxDynamicUniformBuffersPerPipelineLayout }}});
setLimitValueU32('maxDynamicStorageBuffersPerPipelineLayout', {{{ C_STRUCTS.WGPULimits.maxDynamicStorageBuffersPerPipelineLayout }}});
setLimitValueU32('maxSampledTexturesPerShaderStage', {{{ C_STRUCTS.WGPULimits.maxSampledTexturesPerShaderStage }}});
setLimitValueU32('maxSamplersPerShaderStage', {{{ C_STRUCTS.WGPULimits.maxSamplersPerShaderStage }}});
setLimitValueU32('maxStorageBuffersPerShaderStage', {{{ C_STRUCTS.WGPULimits.maxStorageBuffersPerShaderStage }}});
setLimitValueU32('maxStorageTexturesPerShaderStage', {{{ C_STRUCTS.WGPULimits.maxStorageTexturesPerShaderStage }}});
setLimitValueU32('maxUniformBuffersPerShaderStage', {{{ C_STRUCTS.WGPULimits.maxUniformBuffersPerShaderStage }}});
setLimitValueU32('minUniformBufferOffsetAlignment', {{{ C_STRUCTS.WGPULimits.minUniformBufferOffsetAlignment }}});
setLimitValueU32('minStorageBufferOffsetAlignment', {{{ C_STRUCTS.WGPULimits.minStorageBufferOffsetAlignment }}});
setLimitValueU64('maxUniformBufferBindingSize', {{{ C_STRUCTS.WGPULimits.maxUniformBufferBindingSize }}});
setLimitValueU64('maxStorageBufferBindingSize', {{{ C_STRUCTS.WGPULimits.maxStorageBufferBindingSize }}});
setLimitValueU32('maxVertexBuffers', {{{ C_STRUCTS.WGPULimits.maxVertexBuffers }}});
setLimitValueU64('maxBufferSize', {{{ C_STRUCTS.WGPULimits.maxBufferSize }}});
setLimitValueU32('maxVertexAttributes', {{{ C_STRUCTS.WGPULimits.maxVertexAttributes }}});
setLimitValueU32('maxVertexBufferArrayStride', {{{ C_STRUCTS.WGPULimits.maxVertexBufferArrayStride }}});
setLimitValueU32('maxInterStageShaderComponents', {{{ C_STRUCTS.WGPULimits.maxInterStageShaderComponents }}});
setLimitValueU32('maxInterStageShaderVariables', {{{ C_STRUCTS.WGPULimits.maxInterStageShaderVariables }}});
setLimitValueU32('maxColorAttachments', {{{ C_STRUCTS.WGPULimits.maxColorAttachments }}});
setLimitValueU32('maxColorAttachmentBytesPerSample', {{{ C_STRUCTS.WGPULimits.maxColorAttachmentBytesPerSample }}});
setLimitValueU32('maxComputeWorkgroupStorageSize', {{{ C_STRUCTS.WGPULimits.maxComputeWorkgroupStorageSize }}});
setLimitValueU32('maxComputeInvocationsPerWorkgroup', {{{ C_STRUCTS.WGPULimits.maxComputeInvocationsPerWorkgroup }}});
setLimitValueU32('maxComputeWorkgroupSizeX', {{{ C_STRUCTS.WGPULimits.maxComputeWorkgroupSizeX }}});
setLimitValueU32('maxComputeWorkgroupSizeY', {{{ C_STRUCTS.WGPULimits.maxComputeWorkgroupSizeY }}});
setLimitValueU32('maxComputeWorkgroupSizeZ', {{{ C_STRUCTS.WGPULimits.maxComputeWorkgroupSizeZ }}});
setLimitValueU32('maxComputeWorkgroupsPerDimension', {{{ C_STRUCTS.WGPULimits.maxComputeWorkgroupsPerDimension }}});
},
// Maps from enum string back to enum number, for callbacks.
{{{ WEBGPU_STRING_TO_INT_TABLES }}}
// Maps from enum number to enum string.
{{{ WEBGPU_INT_TO_STRING_TABLES }}}
},
// TODO(374150686): Remove this once it has been fully deprecated in users.
emscripten_webgpu_get_device__deps: ['wgpuDeviceAddRef'],
emscripten_webgpu_get_device: () => {
#if ASSERTIONS
assert(Module['preinitializedWebGPUDevice']);
#endif
if (WebGPU.preinitializedDeviceId === undefined) {
WebGPU.preinitializedDeviceId = WebGPU.importJsDevice(Module['preinitializedWebGPUDevice']);
}
_wgpuDeviceAddRef(WebGPU.preinitializedDeviceId);
return WebGPU.preinitializedDeviceId;
},
// ----------------------------------------------------------------------------
// Definitions for standalone JS emwgpu functions (callable from webgpu.cpp and
// library_html5_html.js)
// ----------------------------------------------------------------------------
emwgpuDelete__sig: 'vp',
emwgpuDelete: (ptr) => {
delete WebGPU.Internals.jsObjects[ptr];
},
emwgpuSetLabel__deps: ['$UTF8ToString'],
emwgpuSetLabel__sig: 'vppp',
emwgpuSetLabel: (ptr, data, length) => {
var obj = WebGPU.getJsObject(ptr);
obj.label = UTF8ToString(data, length);
},
#if ASYNCIFY
// Returns a FutureID that was resolved, or kNullFutureId if timed out.
emwgpuWaitAny__async: true,
emwgpuWaitAny__i53abi: false,
emwgpuWaitAny__sig: 'jppp',
emwgpuWaitAny: (futurePtr, futureCount, timeoutNSPtr) => {
var promises = WebGPU.Internals.waitAnyPromisesList;
if (timeoutNSPtr) {
var timeoutMS = {{{ gpu.makeGetU64('timeoutNSPtr', 0) }}} / 1000000;
promises.length = futureCount + 1;
promise[futureCount] = new Promise((resolve) => setTimeout(resolve, timeoutMS, 0));
} else {
promises.length = futureCount;
}
for (var i = 0; i < futureCount; ++i) {
// If any of the FutureIDs are not tracked, it means it must be done.
var futureId = {{{ gpu.makeGetU64('(futurePtr + i * 8)', 0) }}};
if (!(futureId in WebGPU.Internals.futures)) {
return futureId;
}
promises[i] = WebGPU.Internals.futures[futureId];
}
var result = Asyncify.handleAsync(async () => {
return await Promise.race(promises);
});
// Clean up internal futures state.
delete WebGPU.Internals.futures[result];
WebGPU.Internals.waitAnyPromisesList.length = 0;
return result;
},
#endif
emwgpuGetPreferredFormat__sig: 'i',
emwgpuGetPreferredFormat: () => {
var format = navigator["gpu"]["getPreferredCanvasFormat"]();
return WebGPU.Int_PreferredFormat[format];
},
// --------------------------------------------------------------------------
// WebGPU function definitions, with methods organized by "class".
//
// Also note that the full set of functions declared in webgpu.h are only
// partially implemeted here. The remaining ones are implemented via
// webgpu.cpp.
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Standalone (non-method) functions
// --------------------------------------------------------------------------
wgpuGetInstanceFeatures: (featuresPtr) => {
abort('TODO: wgpuGetInstanceFeatures unimplemented');
return 0;
},
wgpuGetProcAddress: (device, procName) => {
abort('TODO(#11526): wgpuGetProcAddress unimplemented');
return 0;
},
// --------------------------------------------------------------------------
// Methods of Adapter
// --------------------------------------------------------------------------
wgpuAdapterEnumerateFeatures: (adapterPtr, featuresOutPtr) => {
var adapter = WebGPU.getJsObject(adapterPtr);
if (featuresOutPtr !== 0) {
var offset = 0;
adapter.features.forEach(feature => {
var featureEnumValue = WebGPU.FeatureNameString2Enum[feature];
{{{ makeSetValue('featuresOutPtr', 'offset', 'featureEnumValue', 'i32') }}};
offset += 4;
});
}
return adapter.features.size;
},
wgpuAdapterGetInfo__deps: ['$stringToNewUTF8', '$lengthBytesUTF8'],
wgpuAdapterGetInfo: (adapterPtr, info) => {
var adapter = WebGPU.getJsObject(adapterPtr);
{{{ gpu.makeCheckDescriptor('info') }}}
// Append all the strings together to condense into a single malloc.
var strs = adapter.info.vendor + adapter.info.architecture + adapter.info.device + adapter.info.description;
var strPtr = stringToNewUTF8(strs);
var vendorLen = lengthBytesUTF8(adapter.info.vendor);
WebGPU.setStringView(info + {{{ C_STRUCTS.WGPUAdapterInfo.vendor }}}, strPtr, vendorLen);
strPtr += vendorLen;
var architectureLen = lengthBytesUTF8(adapter.info.architecture);
WebGPU.setStringView(info + {{{ C_STRUCTS.WGPUAdapterInfo.architecture }}}, strPtr, architectureLen);
strPtr += architectureLen;
var deviceLen = lengthBytesUTF8(adapter.info.device);
WebGPU.setStringView(info + {{{ C_STRUCTS.WGPUAdapterInfo.device }}}, strPtr, deviceLen);
strPtr += deviceLen;
var descriptionLen = lengthBytesUTF8(adapter.info.description);
WebGPU.setStringView(info + {{{ C_STRUCTS.WGPUAdapterInfo.description }}}, strPtr, descriptionLen);
strPtr += descriptionLen;
{{{ makeSetValue('info', C_STRUCTS.WGPUAdapterInfo.backendType, gpu.BackendType.WebGPU, 'i32') }}};
var adapterType = adapter.isFallbackAdapter ? {{{ gpu.AdapterType.CPU }}} : {{{ gpu.AdapterType.Unknown }}};
{{{ makeSetValue('info', C_STRUCTS.WGPUAdapterInfo.adapterType, 'adapterType', 'i32') }}};
{{{ makeSetValue('info', C_STRUCTS.WGPUAdapterInfo.vendorID, '0', 'i32') }}};
{{{ makeSetValue('info', C_STRUCTS.WGPUAdapterInfo.deviceID, '0', 'i32') }}};
},
wgpuAdapterGetLimits: (adapterPtr, limitsOutPtr) => {
var adapter = WebGPU.getJsObject(adapterPtr);
WebGPU.fillLimitStruct(adapter.limits, limitsOutPtr);
return 1;
},
wgpuAdapterHasFeature: (adapterPtr, featureEnumValue) => {
var adapter = WebGPU.getJsObject(adapterPtr);
return adapter.features.has(WebGPU.FeatureName[featureEnumValue]);
},
emwgpuAdapterRequestDevice__i53abi: false,
emwgpuAdapterRequestDevice__deps: ['emwgpuCreateQueue', 'emwgpuOnDeviceLostCompleted', 'emwgpuOnRequestDeviceCompleted', 'emwgpuOnUncapturedError'],
emwgpuAdapterRequestDevice__sig: 'vpjjppp',
emwgpuAdapterRequestDevice: (
adapterPtr,
futureIdL, futureIdH,
deviceLostFutureIdL, deviceLostFutureIdH,
devicePtr, queuePtr, descriptor
) => {
var adapter = WebGPU.getJsObject(adapterPtr);
var desc = {};
if (descriptor) {
{{{ gpu.makeCheckDescriptor('descriptor') }}}
var requiredFeatureCount = {{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUDeviceDescriptor.requiredFeatureCount) }}};
if (requiredFeatureCount) {
var requiredFeaturesPtr = {{{ makeGetValue('descriptor', C_STRUCTS.WGPUDeviceDescriptor.requiredFeatures, '*') }}};
desc["requiredFeatures"] = Array.from({{{ makeHEAPView('32', 'requiredFeaturesPtr', `requiredFeaturesPtr + requiredFeatureCount * ${POINTER_SIZE}`) }}},
(feature) => WebGPU.FeatureName[feature]);
}
var requiredLimitsPtr = {{{ makeGetValue('descriptor', C_STRUCTS.WGPUDeviceDescriptor.requiredLimits, '*') }}};
if (requiredLimitsPtr) {
{{{ gpu.makeCheckDescriptor('requiredLimitsPtr') }}}
var limitsPtr = requiredLimitsPtr + {{{ C_STRUCTS.WGPURequiredLimits.limits }}};
var requiredLimits = {};
function setLimitU32IfDefined(name, limitOffset) {
var ptr = limitsPtr + limitOffset;
var value = {{{ gpu.makeGetU32('ptr', 0) }}};
if (value != {{{ gpu.LIMIT_U32_UNDEFINED }}}) {
requiredLimits[name] = value;
}
}
function setLimitU64IfDefined(name, limitOffset) {
var ptr = limitsPtr + limitOffset;
// Handle WGPU_LIMIT_U64_UNDEFINED.
var limitPart1 = {{{ gpu.makeGetU32('ptr', 0) }}};
var limitPart2 = {{{ gpu.makeGetU32('ptr', 4) }}};
if (limitPart1 != 0xFFFFFFFF || limitPart2 != 0xFFFFFFFF) {
requiredLimits[name] = {{{ gpu.makeGetU64('ptr', 0) }}}
}
}
setLimitU32IfDefined("maxTextureDimension1D", {{{ C_STRUCTS.WGPULimits.maxTextureDimension1D }}});
setLimitU32IfDefined("maxTextureDimension2D", {{{ C_STRUCTS.WGPULimits.maxTextureDimension2D }}});
setLimitU32IfDefined("maxTextureDimension3D", {{{ C_STRUCTS.WGPULimits.maxTextureDimension3D }}});
setLimitU32IfDefined("maxTextureArrayLayers", {{{ C_STRUCTS.WGPULimits.maxTextureArrayLayers }}});
setLimitU32IfDefined("maxBindGroups", {{{ C_STRUCTS.WGPULimits.maxBindGroups }}});
setLimitU32IfDefined('maxBindGroupsPlusVertexBuffers', {{{ C_STRUCTS.WGPULimits.maxBindGroupsPlusVertexBuffers }}});
setLimitU32IfDefined("maxDynamicUniformBuffersPerPipelineLayout", {{{ C_STRUCTS.WGPULimits.maxDynamicUniformBuffersPerPipelineLayout }}});
setLimitU32IfDefined("maxDynamicStorageBuffersPerPipelineLayout", {{{ C_STRUCTS.WGPULimits.maxDynamicStorageBuffersPerPipelineLayout }}});
setLimitU32IfDefined("maxSampledTexturesPerShaderStage", {{{ C_STRUCTS.WGPULimits.maxSampledTexturesPerShaderStage }}});
setLimitU32IfDefined("maxSamplersPerShaderStage", {{{ C_STRUCTS.WGPULimits.maxSamplersPerShaderStage }}});
setLimitU32IfDefined("maxStorageBuffersPerShaderStage", {{{ C_STRUCTS.WGPULimits.maxStorageBuffersPerShaderStage }}});
setLimitU32IfDefined("maxStorageTexturesPerShaderStage", {{{ C_STRUCTS.WGPULimits.maxStorageTexturesPerShaderStage }}});
setLimitU32IfDefined("maxUniformBuffersPerShaderStage", {{{ C_STRUCTS.WGPULimits.maxUniformBuffersPerShaderStage }}});
setLimitU32IfDefined("minUniformBufferOffsetAlignment", {{{ C_STRUCTS.WGPULimits.minUniformBufferOffsetAlignment }}});
setLimitU32IfDefined("minStorageBufferOffsetAlignment", {{{ C_STRUCTS.WGPULimits.minStorageBufferOffsetAlignment }}});
setLimitU64IfDefined("maxUniformBufferBindingSize", {{{ C_STRUCTS.WGPULimits.maxUniformBufferBindingSize }}});
setLimitU64IfDefined("maxStorageBufferBindingSize", {{{ C_STRUCTS.WGPULimits.maxStorageBufferBindingSize }}});
setLimitU32IfDefined("maxVertexBuffers", {{{ C_STRUCTS.WGPULimits.maxVertexBuffers }}});
setLimitU64IfDefined("maxBufferSize", {{{ C_STRUCTS.WGPULimits.maxBufferSize }}});
setLimitU32IfDefined("maxVertexAttributes", {{{ C_STRUCTS.WGPULimits.maxVertexAttributes }}});
setLimitU32IfDefined("maxVertexBufferArrayStride", {{{ C_STRUCTS.WGPULimits.maxVertexBufferArrayStride }}});
setLimitU32IfDefined("maxInterStageShaderComponents", {{{ C_STRUCTS.WGPULimits.maxInterStageShaderComponents }}});
setLimitU32IfDefined("maxInterStageShaderVariables", {{{ C_STRUCTS.WGPULimits.maxInterStageShaderVariables }}});
setLimitU32IfDefined("maxColorAttachments", {{{ C_STRUCTS.WGPULimits.maxColorAttachments }}});
setLimitU32IfDefined("maxColorAttachmentBytesPerSample", {{{ C_STRUCTS.WGPULimits.maxColorAttachmentBytesPerSample }}});
setLimitU32IfDefined("maxComputeWorkgroupStorageSize", {{{ C_STRUCTS.WGPULimits.maxComputeWorkgroupStorageSize }}});
setLimitU32IfDefined("maxComputeInvocationsPerWorkgroup", {{{ C_STRUCTS.WGPULimits.maxComputeInvocationsPerWorkgroup }}});
setLimitU32IfDefined("maxComputeWorkgroupSizeX", {{{ C_STRUCTS.WGPULimits.maxComputeWorkgroupSizeX }}});
setLimitU32IfDefined("maxComputeWorkgroupSizeY", {{{ C_STRUCTS.WGPULimits.maxComputeWorkgroupSizeY }}});
setLimitU32IfDefined("maxComputeWorkgroupSizeZ", {{{ C_STRUCTS.WGPULimits.maxComputeWorkgroupSizeZ }}});
setLimitU32IfDefined("maxComputeWorkgroupsPerDimension", {{{ C_STRUCTS.WGPULimits.maxComputeWorkgroupsPerDimension }}});
desc["requiredLimits"] = requiredLimits;
}
var defaultQueuePtr = {{{ makeGetValue('descriptor', C_STRUCTS.WGPUDeviceDescriptor.defaultQueue, '*') }}};
if (defaultQueuePtr) {
var defaultQueueDesc = {
"label": WebGPU.makeStringFromOptionalStringView(
defaultQueuePtr + {{{ C_STRUCTS.WGPUQueueDescriptor.label }}}),
};
desc["defaultQueue"] = defaultQueueDesc;
}
desc["label"] = WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPUDeviceDescriptor.label }}}
);
}
{{{ runtimeKeepalivePush() }}}
var hasDeviceLostFutureId = !!deviceLostFutureIdH || !!deviceLostFutureIdL;
WebGPU.Internals.futureInsert(futureIdL, futureIdH, adapter.requestDevice(desc).then((device) => {
{{{ runtimeKeepalivePop() }}}
WebGPU.Internals.jsObjectInsert(queuePtr, device.queue);
WebGPU.Internals.jsObjectInsert(devicePtr, device);
// Set up device lost promise resolution.
if (hasDeviceLostFutureId) {
{{{ runtimeKeepalivePush() }}}
WebGPU.Internals.futureInsert(deviceLostFutureIdL, deviceLostFutureIdH, device.lost.then((info) => {
{{{ runtimeKeepalivePop() }}}
// Unset the uncaptured error handler.
device.onuncapturederror = (ev) => {};
var sp = stackSave();
var messagePtr = stringToUTF8OnStack(info.message);
_emwgpuOnDeviceLostCompleted(deviceLostFutureIdL, deviceLostFutureIdH, WebGPU.Int_DeviceLostReason[info.reason], messagePtr);
stackRestore(sp);
}));
}
// Set up uncaptured error handlers.
#if ASSERTIONS
assert(typeof GPUValidationError != 'undefined');
assert(typeof GPUOutOfMemoryError != 'undefined');
assert(typeof GPUInternalError != 'undefined');
#endif
device.onuncapturederror = (ev) => {
var type = {{{ gpu.ErrorType.Unknown }}};
if (ev.error instanceof GPUValidationError) type = {{{ gpu.ErrorType.Validation }}};
else if (ev.error instanceof GPUOutOfMemoryError) type = {{{ gpu.ErrorType.OutOfMemory }}};
else if (ev.error instanceof GPUInternalError) type = {{{ gpu.ErrorType.Internal }}};
var sp = stackSave();
var messagePtr = stringToUTF8OnStack(ev.error.message);
_emwgpuOnUncapturedError(devicePtr, type, messagePtr);
stackRestore(sp);
};
_emwgpuOnRequestDeviceCompleted(futureIdL, futureIdH, {{{ gpu.RequestDeviceStatus.Success }}}, devicePtr, 0);
}, (ex) => {
{{{ runtimeKeepalivePop() }}}
var sp = stackSave();
var messagePtr = stringToUTF8OnStack(ex.message);
_emwgpuOnRequestDeviceCompleted(futureIdL, futureIdH, {{{ gpu.RequestDeviceStatus.Error }}}, devicePtr, messagePtr);
if (hasDeviceLostFutureId) {
_emwgpuOnDeviceLostCompleted(deviceLostFutureIdL, deviceLostFutureIdH, {{{ gpu.DeviceLostReason.FailedCreation }}}, messagePtr);
}
stackRestore(sp);
}));
},
// --------------------------------------------------------------------------
// Methods of BindGroup
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Methods of BindGroupLayout
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Methods of Buffer
// --------------------------------------------------------------------------
emwgpuBufferDestroy__sig: 'vp',
emwgpuBufferDestroy: (bufferPtr) => {
var buffer = WebGPU.getJsObject(bufferPtr);
var onUnmap = WebGPU.Internals.bufferOnUnmaps[bufferPtr];
if (onUnmap) {
for (var i = 0; i < onUnmap.length; ++i) {
onUnmap[i]();
}
delete WebGPU.Internals.bufferOnUnmaps[bufferPtr];
}
buffer.destroy();
},
// In webgpu.h offset and size are passed in as size_t.
// And library_webgpu assumes that size_t is always 32bit in emscripten.
emwgpuBufferGetConstMappedRange__deps: ['$warnOnce', 'memalign', 'free'],
emwgpuBufferGetConstMappedRange__sig: 'pppp',
emwgpuBufferGetConstMappedRange: (bufferPtr, offset, size) => {
var buffer = WebGPU.getJsObject(bufferPtr);
if (size === 0) warnOnce('getMappedRange size=0 no longer means WGPU_WHOLE_MAP_SIZE');
{{{ gpu.convertSentinelToUndefined('size') }}}
var mapped;
try {
mapped = buffer.getMappedRange(offset, size);
} catch (ex) {
#if ASSERTIONS
err(`wgpuBufferGetConstMappedRange(${offset}, ${size}) failed: ${ex}`);
#endif
// TODO(kainino0x): Somehow inject a validation error?
return 0;
}
var data = _memalign(16, mapped.byteLength);
HEAPU8.set(new Uint8Array(mapped), data);
WebGPU.Internals.bufferOnUnmaps[bufferPtr].push(() => _free(data));
return data;
},
// In webgpu.h offset and size are passed in as size_t.
// And library_webgpu assumes that size_t is always 32bit in emscripten.
emwgpuBufferGetMappedRange__deps: ['$warnOnce', 'memalign', 'free'],
emwgpuBufferGetMappedRange__sig: 'pppp',
emwgpuBufferGetMappedRange: (bufferPtr, offset, size) => {
var buffer = WebGPU.getJsObject(bufferPtr);
if (size === 0) warnOnce('getMappedRange size=0 no longer means WGPU_WHOLE_MAP_SIZE');
{{{ gpu.convertSentinelToUndefined('size') }}}
var mapped;
try {
mapped = buffer.getMappedRange(offset, size);
} catch (ex) {
#if ASSERTIONS
err(`wgpuBufferGetMappedRange(${offset}, ${size}) failed: ${ex}`);
#endif
// TODO(kainino0x): Somehow inject a validation error?
return 0;
}
var data = _memalign(16, mapped.byteLength);
HEAPU8.fill(0, data, mapped.byteLength);
WebGPU.Internals.bufferOnUnmaps[bufferPtr].push(() => {
new Uint8Array(mapped).set(HEAPU8.subarray(data, data + mapped.byteLength));
_free(data);
});
return data;
},
wgpuBufferGetSize: (bufferPtr) => {
var buffer = WebGPU.getJsObject(bufferPtr);
// 64-bit
return buffer.size;
},
wgpuBufferGetUsage: (bufferPtr) => {
var buffer = WebGPU.getJsObject(bufferPtr);
return buffer.usage;
},
// In webgpu.h offset and size are passed in as size_t.
// And library_webgpu assumes that size_t is always 32bit in emscripten.
emwgpuBufferMapAsync__i53abi: false,
emwgpuBufferMapAsync__deps: ['emwgpuOnMapAsyncCompleted'],
emwgpuBufferMapAsync__sig: 'vpjjpp',
emwgpuBufferMapAsync: (bufferPtr, futureIdL, futureIdH, mode, offset, size) => {
var buffer = WebGPU.getJsObject(bufferPtr);
WebGPU.Internals.bufferOnUnmaps[bufferPtr] = [];
{{{ gpu.convertSentinelToUndefined('size') }}}
{{{ runtimeKeepalivePush() }}}
WebGPU.Internals.futureInsert(futureIdL, futureIdH, buffer.mapAsync(mode, offset, size).then(() => {
{{{ runtimeKeepalivePop() }}}
_emwgpuOnMapAsyncCompleted(futureIdL, futureIdH, {{{ gpu.MapAsyncStatus.Success }}}, 0);
}, (ex) => {
{{{ runtimeKeepalivePop() }}}
var sp = stackSave();
var messagePtr = stringToUTF8OnStack(ex.message);
var status =
ex instanceof AbortError ? {{{ gpu.MapAsyncStatus.Aborted }}} :
ex instanceof OperationError ? {{{ gpu.MapAsyncStatus.Error }}} :
{{{ gpu.MapAsyncStatus.Unknown }}};
_emwgpuOnMapAsyncCompleted(futureIdL, futureIdH, status, messagePtr);
delete WebGPU.Internals.bufferOnUnmaps[bufferPtr];
}));
},
emwgpuBufferUnmap__sig: 'vp',
emwgpuBufferUnmap: (bufferPtr) => {
var buffer = WebGPU.getJsObject(bufferPtr);
var onUnmap = WebGPU.Internals.bufferOnUnmaps[bufferPtr];
if (!onUnmap) {
// Already unmapped
return;
}
for (var i = 0; i < onUnmap.length; ++i) {
onUnmap[i]();
}
delete WebGPU.Internals.bufferOnUnmaps[bufferPtr]
buffer.unmap();
},
// --------------------------------------------------------------------------
// Methods of CommandBuffer
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Methods of CommandEncoder
// --------------------------------------------------------------------------
wgpuCommandEncoderBeginComputePass__deps: ['emwgpuCreateComputePassEncoder'],
wgpuCommandEncoderBeginComputePass: (encoderPtr, descriptor) => {
var desc;
function makeComputePassTimestampWrites(twPtr) {
if (twPtr === 0) return undefined;
return {
"querySet": WebGPU.getJsObject(
{{{ makeGetValue('twPtr', C_STRUCTS.WGPUComputePassTimestampWrites.querySet, '*') }}}),
"beginningOfPassWriteIndex": {{{ gpu.makeGetU32('twPtr', C_STRUCTS.WGPUComputePassTimestampWrites.beginningOfPassWriteIndex) }}},
"endOfPassWriteIndex": {{{ gpu.makeGetU32('twPtr', C_STRUCTS.WGPUComputePassTimestampWrites.endOfPassWriteIndex) }}},
};
}
if (descriptor) {
{{{ gpu.makeCheckDescriptor('descriptor') }}}
desc = {
"label": WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPUComputePassDescriptor.label }}}),
"timestampWrites": makeComputePassTimestampWrites(
{{{ makeGetValue('descriptor', C_STRUCTS.WGPUComputePassDescriptor.timestampWrites, '*') }}}),
};
}
var commandEncoder = WebGPU.getJsObject(encoderPtr);
var ptr = _emwgpuCreateComputePassEncoder();
WebGPU.Internals.jsObjectInsert(ptr, commandEncoder.beginComputePass(desc));
return ptr;
},
wgpuCommandEncoderBeginRenderPass__deps: ['emwgpuCreateRenderPassEncoder'],
wgpuCommandEncoderBeginRenderPass: (encoderPtr, descriptor) => {
{{{ gpu.makeCheck('descriptor') }}}
function makeColorAttachment(caPtr) {
var viewPtr = {{{ gpu.makeGetU32('caPtr', C_STRUCTS.WGPURenderPassColorAttachment.view) }}};
if (viewPtr === 0) {
// view could be undefined.
return undefined;
}
var depthSlice = {{{ makeGetValue('caPtr', C_STRUCTS.WGPURenderPassColorAttachment.depthSlice, 'i32') }}};
{{{ gpu.convertSentinelToUndefined('depthSlice') }}}
var loadOpInt = {{{ gpu.makeGetU32('caPtr', C_STRUCTS.WGPURenderPassColorAttachment.loadOp) }}};
#if ASSERTIONS
assert(loadOpInt !== {{{ gpu.LoadOp.Undefined }}});
#endif
var storeOpInt = {{{ gpu.makeGetU32('caPtr', C_STRUCTS.WGPURenderPassColorAttachment.storeOp) }}};
#if ASSERTIONS
assert(storeOpInt !== {{{ gpu.StoreOp.Undefined }}});
#endif
var clearValue = WebGPU.makeColor(caPtr + {{{ C_STRUCTS.WGPURenderPassColorAttachment.clearValue }}});
return {
"view": WebGPU.getJsObject(viewPtr),
"depthSlice": depthSlice,
"resolveTarget": WebGPU.getJsObject(
{{{ gpu.makeGetU32('caPtr', C_STRUCTS.WGPURenderPassColorAttachment.resolveTarget) }}}),
"clearValue": clearValue,
"loadOp": WebGPU.LoadOp[loadOpInt],
"storeOp": WebGPU.StoreOp[storeOpInt],
};
}
function makeColorAttachments(count, caPtr) {
var attachments = [];
for (var i = 0; i < count; ++i) {
attachments.push(makeColorAttachment(caPtr + {{{ C_STRUCTS.WGPURenderPassColorAttachment.__size__ }}} * i));
}
return attachments;
}
function makeDepthStencilAttachment(dsaPtr) {
if (dsaPtr === 0) return undefined;
return {
"view": WebGPU.getJsObject(
{{{ gpu.makeGetU32('dsaPtr', C_STRUCTS.WGPURenderPassDepthStencilAttachment.view) }}}),
"depthClearValue": {{{ makeGetValue('dsaPtr', C_STRUCTS.WGPURenderPassDepthStencilAttachment.depthClearValue, 'float') }}},
"depthLoadOp": WebGPU.LoadOp[
{{{ gpu.makeGetU32('dsaPtr', C_STRUCTS.WGPURenderPassDepthStencilAttachment.depthLoadOp) }}}],
"depthStoreOp": WebGPU.StoreOp[
{{{ gpu.makeGetU32('dsaPtr', C_STRUCTS.WGPURenderPassDepthStencilAttachment.depthStoreOp) }}}],
"depthReadOnly": {{{ gpu.makeGetBool('dsaPtr', C_STRUCTS.WGPURenderPassDepthStencilAttachment.depthReadOnly) }}},
"stencilClearValue": {{{ gpu.makeGetU32('dsaPtr', C_STRUCTS.WGPURenderPassDepthStencilAttachment.stencilClearValue) }}},
"stencilLoadOp": WebGPU.LoadOp[
{{{ gpu.makeGetU32('dsaPtr', C_STRUCTS.WGPURenderPassDepthStencilAttachment.stencilLoadOp) }}}],
"stencilStoreOp": WebGPU.StoreOp[
{{{ gpu.makeGetU32('dsaPtr', C_STRUCTS.WGPURenderPassDepthStencilAttachment.stencilStoreOp) }}}],
"stencilReadOnly": {{{ gpu.makeGetBool('dsaPtr', C_STRUCTS.WGPURenderPassDepthStencilAttachment.stencilReadOnly) }}},
};
}
function makeRenderPassTimestampWrites(twPtr) {
if (twPtr === 0) return undefined;
return {
"querySet": WebGPU.getJsObject(
{{{ makeGetValue('twPtr', C_STRUCTS.WGPURenderPassTimestampWrites.querySet, '*') }}}),
"beginningOfPassWriteIndex": {{{ gpu.makeGetU32('twPtr', C_STRUCTS.WGPURenderPassTimestampWrites.beginningOfPassWriteIndex) }}},
"endOfPassWriteIndex": {{{ gpu.makeGetU32('twPtr', C_STRUCTS.WGPURenderPassTimestampWrites.endOfPassWriteIndex) }}},
};
}
function makeRenderPassDescriptor(descriptor) {
{{{ gpu.makeCheck('descriptor') }}}
var nextInChainPtr = {{{ makeGetValue('descriptor', C_STRUCTS.WGPURenderPassDescriptor.nextInChain, '*') }}};
var maxDrawCount = undefined;
if (nextInChainPtr !== 0) {
var sType = {{{ gpu.makeGetU32('nextInChainPtr', C_STRUCTS.WGPUChainedStruct.sType) }}};
#if ASSERTIONS
assert(sType === {{{ gpu.SType.RenderPassMaxDrawCount }}});
assert(0 === {{{ makeGetValue('nextInChainPtr', C_STRUCTS.WGPUChainedStruct.next, '*') }}});
#endif
var renderPassMaxDrawCount = nextInChainPtr;
{{{ gpu.makeCheckDescriptor('renderPassMaxDrawCount') }}}
maxDrawCount = {{{ gpu.makeGetU64('renderPassMaxDrawCount', C_STRUCTS.WGPURenderPassMaxDrawCount.maxDrawCount) }}};
}
var desc = {
"label": WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPURenderPassDescriptor.label }}}),
"colorAttachments": makeColorAttachments(
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPURenderPassDescriptor.colorAttachmentCount) }}},
{{{ makeGetValue('descriptor', C_STRUCTS.WGPURenderPassDescriptor.colorAttachments, '*') }}}),
"depthStencilAttachment": makeDepthStencilAttachment(
{{{ makeGetValue('descriptor', C_STRUCTS.WGPURenderPassDescriptor.depthStencilAttachment, '*') }}}),
"occlusionQuerySet": WebGPU.getJsObject(
{{{ makeGetValue('descriptor', C_STRUCTS.WGPURenderPassDescriptor.occlusionQuerySet, '*') }}}),
"timestampWrites": makeRenderPassTimestampWrites(
{{{ makeGetValue('descriptor', C_STRUCTS.WGPURenderPassDescriptor.timestampWrites, '*') }}}),
"maxDrawCount": maxDrawCount,
};
return desc;
}
var desc = makeRenderPassDescriptor(descriptor);
var commandEncoder = WebGPU.getJsObject(encoderPtr);
var ptr = _emwgpuCreateRenderPassEncoder();
WebGPU.Internals.jsObjectInsert(ptr, commandEncoder.beginRenderPass(desc));
return ptr;
},
wgpuCommandEncoderClearBuffer: (encoderPtr, bufferPtr, offset, size) => {
var commandEncoder = WebGPU.getJsObject(encoderPtr);
{{{ gpu.convertSentinelToUndefined('size') }}}
var buffer = WebGPU.getJsObject(bufferPtr);
commandEncoder.clearBuffer(buffer, offset, size);
},
wgpuCommandEncoderCopyBufferToBuffer: (encoderPtr, srcPtr, srcOffset, dstPtr, dstOffset, size) => {
var commandEncoder = WebGPU.getJsObject(encoderPtr);
var src = WebGPU.getJsObject(srcPtr);
var dst = WebGPU.getJsObject(dstPtr);
commandEncoder.copyBufferToBuffer(src, srcOffset, dst, dstOffset, size);
},
wgpuCommandEncoderCopyBufferToTexture: (encoderPtr, srcPtr, dstPtr, copySizePtr) => {
var commandEncoder = WebGPU.getJsObject(encoderPtr);
var copySize = WebGPU.makeExtent3D(copySizePtr);
commandEncoder.copyBufferToTexture(
WebGPU.makeImageCopyBuffer(srcPtr), WebGPU.makeImageCopyTexture(dstPtr), copySize);
},
wgpuCommandEncoderCopyTextureToBuffer: (encoderPtr, srcPtr, dstPtr, copySizePtr) => {
var commandEncoder = WebGPU.getJsObject(encoderPtr);
var copySize = WebGPU.makeExtent3D(copySizePtr);
commandEncoder.copyTextureToBuffer(
WebGPU.makeImageCopyTexture(srcPtr), WebGPU.makeImageCopyBuffer(dstPtr), copySize);
},
wgpuCommandEncoderCopyTextureToTexture: (encoderPtr, srcPtr, dstPtr, copySizePtr) => {
var commandEncoder = WebGPU.getJsObject(encoderPtr);
var copySize = WebGPU.makeExtent3D(copySizePtr);
commandEncoder.copyTextureToTexture(
WebGPU.makeImageCopyTexture(srcPtr), WebGPU.makeImageCopyTexture(dstPtr), copySize);
},
wgpuCommandEncoderFinish__deps: ['emwgpuCreateCommandBuffer'],
wgpuCommandEncoderFinish: (encoderPtr, descriptor) => {
// TODO: Use the descriptor.
var commandEncoder = WebGPU.getJsObject(encoderPtr);
var ptr = _emwgpuCreateCommandBuffer();
WebGPU.Internals.jsObjectInsert(ptr, commandEncoder.finish());
return ptr;
},
wgpuCommandEncoderInsertDebugMarker2: (encoderPtr, markerLabelPtr) => {
var encoder = WebGPU.getJsObject(encoderPtr);
encoder.insertDebugMarker(WebGPU.makeStringFromStringView(markerLabelPtr));
},
wgpuCommandEncoderPopDebugGroup: (encoderPtr) => {
var encoder = WebGPU.getJsObject(encoderPtr);
encoder.popDebugGroup();
},
wgpuCommandEncoderPushDebugGroup2: (encoderPtr, groupLabelPtr) => {
var encoder = WebGPU.getJsObject(encoderPtr);
encoder.pushDebugGroup(WebGPU.makeStringFromStringView(groupLabelPtr));
},
wgpuCommandEncoderResolveQuerySet: (encoderPtr, querySetPtr, firstQuery, queryCount, destinationPtr, destinationOffset) => {
var commandEncoder = WebGPU.getJsObject(encoderPtr);
var querySet = WebGPU.getJsObject(querySetPtr);
var destination = WebGPU.getJsObject(destinationPtr);
commandEncoder.resolveQuerySet(querySet, firstQuery, queryCount, destination, destinationOffset);
},
wgpuCommandEncoderWriteTimestamp: (encoderPtr, querySetPtr, queryIndex) => {
var commandEncoder = WebGPU.getJsObject(encoderPtr);
var querySet = WebGPU.getJsObject(querySetPtr);
commandEncoder.writeTimestamp(querySet, queryIndex);
},
// --------------------------------------------------------------------------
// Methods of ComputePassEncoder
// --------------------------------------------------------------------------
wgpuComputePassEncoderDispatchWorkgroups: (passPtr, x, y, z) => {
var pass = WebGPU.getJsObject(passPtr);
pass.dispatchWorkgroups(x, y, z);
},
wgpuComputePassEncoderDispatchWorkgroupsIndirect: (passPtr, indirectBufferPtr, indirectOffset) => {
var indirectBuffer = WebGPU.getJsObject(indirectBufferPtr);
var pass = WebGPU.getJsObject(passPtr);
pass.dispatchWorkgroupsIndirect(indirectBuffer, indirectOffset);
},
wgpuComputePassEncoderEnd: (passPtr) => {
var pass = WebGPU.getJsObject(passPtr);
pass.end();
},
wgpuComputePassEncoderInsertDebugMarker2: (encoderPtr, markerLabelPtr) => {
var encoder = WebGPU.getJsObject(encoderPtr);
encoder.insertDebugMarker(WebGPU.makeStringFromStringView(markerLabelPtr));
},
wgpuComputePassEncoderPopDebugGroup: (encoderPtr) => {
var encoder = WebGPU.getJsObject(encoderPtr);
encoder.popDebugGroup();
},
wgpuComputePassEncoderPushDebugGroup2: (encoderPtr, groupLabelPtr) => {
var encoder = WebGPU.getJsObject(encoderPtr);
encoder.pushDebugGroup(WebGPU.makeStringFromStringView(groupLabelPtr));
},
wgpuComputePassEncoderSetBindGroup: (passPtr, groupIndex, groupPtr, dynamicOffsetCount, dynamicOffsetsPtr) => {
var pass = WebGPU.getJsObject(passPtr);
var group = WebGPU.getJsObject(groupPtr);
if (dynamicOffsetCount == 0) {
pass.setBindGroup(groupIndex, group);
} else {
var offsets = [];
for (var i = 0; i < dynamicOffsetCount; i++, dynamicOffsetsPtr += 4) {
offsets.push({{{ gpu.makeGetU32('dynamicOffsetsPtr', 0) }}});
}
pass.setBindGroup(groupIndex, group, offsets);
}
},
wgpuComputePassEncoderSetPipeline: (passPtr, pipelinePtr) => {
var pass = WebGPU.getJsObject(passPtr);
var pipeline = WebGPU.getJsObject(pipelinePtr);
pass.setPipeline(pipeline);
},
wgpuComputePassEncoderWriteTimestamp: (encoderPtr, querySetPtr, queryIndex) => {
var encoder = WebGPU.getJsObject(encoderPtr);
var querySet = WebGPU.getJsObject(querySetPtr);
encoder.writeTimestamp(querySet, queryIndex);
},
// --------------------------------------------------------------------------
// Methods of ComputePipeline
// --------------------------------------------------------------------------
wgpuComputePipelineGetBindGroupLayout__deps: ['emwgpuCreateBindGroupLayout'],
wgpuComputePipelineGetBindGroupLayout: (pipelinePtr, groupIndex) => {
var pipeline = WebGPU.getJsObject(pipelinePtr);
var ptr = _emwgpuCreateBindGroupLayout();
WebGPU.Internals.jsObjectInsert(ptr, pipeline.getBindGroupLayout(groupIndex));
return ptr;
},
// --------------------------------------------------------------------------
// Methods of Device
// --------------------------------------------------------------------------
wgpuDeviceCreateBindGroup__deps: ['$readI53FromI64', 'emwgpuCreateBindGroup'],
wgpuDeviceCreateBindGroup: (devicePtr, descriptor) => {
{{{ gpu.makeCheckDescriptor('descriptor') }}}
function makeEntry(entryPtr) {
{{{ gpu.makeCheck('entryPtr') }}}
var bufferPtr = {{{ gpu.makeGetU32('entryPtr', C_STRUCTS.WGPUBindGroupEntry.buffer) }}};
var samplerPtr = {{{ gpu.makeGetU32('entryPtr', C_STRUCTS.WGPUBindGroupEntry.sampler) }}};
var textureViewPtr = {{{ gpu.makeGetU32('entryPtr', C_STRUCTS.WGPUBindGroupEntry.textureView) }}};
#if ASSERTIONS
assert((bufferPtr !== 0) + (samplerPtr !== 0) + (textureViewPtr !== 0) === 1);
#endif
var binding = {{{ gpu.makeGetU32('entryPtr', C_STRUCTS.WGPUBindGroupEntry.binding) }}};
if (bufferPtr) {
var size = {{{ makeGetValue('entryPtr', C_STRUCTS.WGPUBindGroupEntry.size, 'i53') }}};
{{{ gpu.convertSentinelToUndefined('size') }}}
return {
"binding": binding,
"resource": {
"buffer": WebGPU.getJsObject(bufferPtr),
"offset": {{{ gpu.makeGetU64('entryPtr', C_STRUCTS.WGPUBindGroupEntry.offset) }}},
"size": size
},
};
} else if (samplerPtr) {
return {
"binding": binding,
"resource": WebGPU.getJsObject(samplerPtr),
};
} else {
return {
"binding": binding,
"resource": WebGPU.getJsObject(textureViewPtr),
};
}
}
function makeEntries(count, entriesPtrs) {
var entries = [];
for (var i = 0; i < count; ++i) {
entries.push(makeEntry(entriesPtrs +
{{{C_STRUCTS.WGPUBindGroupEntry.__size__}}} * i));
}
return entries;
}
var desc = {
"label": WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPUBindGroupDescriptor.label }}}),
"layout": WebGPU.getJsObject(
{{{ makeGetValue('descriptor', C_STRUCTS.WGPUBindGroupDescriptor.layout, '*') }}}),
"entries": makeEntries(
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUBindGroupDescriptor.entryCount) }}},
{{{ makeGetValue('descriptor', C_STRUCTS.WGPUBindGroupDescriptor.entries, '*') }}}
),
};
var device = WebGPU.getJsObject(devicePtr);
var ptr = _emwgpuCreateBindGroup();
WebGPU.Internals.jsObjectInsert(ptr, device.createBindGroup(desc));
return ptr;
},
wgpuDeviceCreateBindGroupLayout__deps: ['emwgpuCreateBindGroupLayout'],
wgpuDeviceCreateBindGroupLayout: (devicePtr, descriptor) => {
{{{ gpu.makeCheckDescriptor('descriptor') }}}
function makeBufferEntry(entryPtr) {
{{{ gpu.makeCheck('entryPtr') }}}
var typeInt =
{{{ gpu.makeGetU32('entryPtr', C_STRUCTS.WGPUBufferBindingLayout.type) }}};
if (!typeInt) return undefined;
return {
"type": WebGPU.BufferBindingType[typeInt],
"hasDynamicOffset":
{{{ gpu.makeGetBool('entryPtr', C_STRUCTS.WGPUBufferBindingLayout.hasDynamicOffset) }}},
"minBindingSize":
{{{ gpu.makeGetU64('entryPtr', C_STRUCTS.WGPUBufferBindingLayout.minBindingSize) }}},
};
}
function makeSamplerEntry(entryPtr) {
{{{ gpu.makeCheck('entryPtr') }}}
var typeInt =
{{{ gpu.makeGetU32('entryPtr', C_STRUCTS.WGPUSamplerBindingLayout.type) }}};
if (!typeInt) return undefined;
return {
"type": WebGPU.SamplerBindingType[typeInt],
};
}
function makeTextureEntry(entryPtr) {
{{{ gpu.makeCheck('entryPtr') }}}
var sampleTypeInt =
{{{ gpu.makeGetU32('entryPtr', C_STRUCTS.WGPUTextureBindingLayout.sampleType) }}};
if (!sampleTypeInt) return undefined;
return {
"sampleType": WebGPU.TextureSampleType[sampleTypeInt],
"viewDimension": WebGPU.TextureViewDimension[
{{{ gpu.makeGetU32('entryPtr', C_STRUCTS.WGPUTextureBindingLayout.viewDimension) }}}],
"multisampled":
{{{ gpu.makeGetBool('entryPtr', C_STRUCTS.WGPUTextureBindingLayout.multisampled) }}},
};
}
function makeStorageTextureEntry(entryPtr) {
{{{ gpu.makeCheck('entryPtr') }}}
var accessInt =
{{{ gpu.makeGetU32('entryPtr', C_STRUCTS.WGPUStorageTextureBindingLayout.access) }}}
if (!accessInt) return undefined;
return {
"access": WebGPU.StorageTextureAccess[accessInt],
"format": WebGPU.TextureFormat[
{{{ gpu.makeGetU32('entryPtr', C_STRUCTS.WGPUStorageTextureBindingLayout.format) }}}],
"viewDimension": WebGPU.TextureViewDimension[
{{{ gpu.makeGetU32('entryPtr', C_STRUCTS.WGPUStorageTextureBindingLayout.viewDimension) }}}],
};
}
function makeEntry(entryPtr) {
{{{ gpu.makeCheck('entryPtr') }}}
return {
"binding":
{{{ gpu.makeGetU32('entryPtr', C_STRUCTS.WGPUBindGroupLayoutEntry.binding) }}},
"visibility":
{{{ gpu.makeGetU32('entryPtr', C_STRUCTS.WGPUBindGroupLayoutEntry.visibility) }}},
"buffer": makeBufferEntry(entryPtr + {{{ C_STRUCTS.WGPUBindGroupLayoutEntry.buffer }}}),
"sampler": makeSamplerEntry(entryPtr + {{{ C_STRUCTS.WGPUBindGroupLayoutEntry.sampler }}}),
"texture": makeTextureEntry(entryPtr + {{{ C_STRUCTS.WGPUBindGroupLayoutEntry.texture }}}),
"storageTexture": makeStorageTextureEntry(entryPtr + {{{ C_STRUCTS.WGPUBindGroupLayoutEntry.storageTexture }}}),
};
}
function makeEntries(count, entriesPtrs) {
var entries = [];
for (var i = 0; i < count; ++i) {
entries.push(makeEntry(entriesPtrs +
{{{ C_STRUCTS.WGPUBindGroupLayoutEntry.__size__ }}} * i));
}
return entries;
}
var desc = {
"label": WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPUBindGroupLayoutDescriptor.label }}}),
"entries": makeEntries(
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUBindGroupLayoutDescriptor.entryCount) }}},
{{{ makeGetValue('descriptor', C_STRUCTS.WGPUBindGroupLayoutDescriptor.entries, '*') }}}
),
};
var device = WebGPU.getJsObject(devicePtr);
var ptr = _emwgpuCreateBindGroupLayout();
WebGPU.Internals.jsObjectInsert(ptr, device.createBindGroupLayout(desc));
return ptr;
},
emwgpuDeviceCreateBuffer__sig: 'vppp',
emwgpuDeviceCreateBuffer: (devicePtr, descriptor, bufferPtr) => {
{{{ gpu.makeCheckDescriptor('descriptor') }}}
var mappedAtCreation = {{{ gpu.makeGetBool('descriptor', C_STRUCTS.WGPUBufferDescriptor.mappedAtCreation) }}};
var desc = {
"label": WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPUBufferDescriptor.label }}}),
"usage": {{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUBufferDescriptor.usage) }}},
"size": {{{ gpu.makeGetU64('descriptor', C_STRUCTS.WGPUBufferDescriptor.size) }}},
"mappedAtCreation": mappedAtCreation,
};
var device = WebGPU.getJsObject(devicePtr);
WebGPU.Internals.jsObjectInsert(bufferPtr, device.createBuffer(desc));
if (mappedAtCreation) {
WebGPU.Internals.bufferOnUnmaps[bufferPtr] = [];
}
},
wgpuDeviceCreateCommandEncoder__deps: ['emwgpuCreateCommandEncoder'],
wgpuDeviceCreateCommandEncoder: (devicePtr, descriptor) => {
var desc;
if (descriptor) {
{{{ gpu.makeCheckDescriptor('descriptor') }}}
desc = {
"label": WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPUCommandEncoderDescriptor.label }}}),
};
}
var device = WebGPU.getJsObject(devicePtr);
var ptr = _emwgpuCreateCommandEncoder();
WebGPU.Internals.jsObjectInsert(ptr, device.createCommandEncoder(desc));
return ptr;
},
wgpuDeviceCreateComputePipeline__deps: ['emwgpuCreateComputePipeline'],
wgpuDeviceCreateComputePipeline: (devicePtr, descriptor) => {
var desc = WebGPU.makeComputePipelineDesc(descriptor);
var device = WebGPU.getJsObject(devicePtr);
var ptr = _emwgpuCreateComputePipeline();
WebGPU.Internals.jsObjectInsert(ptr, device.createComputePipeline(desc));
return ptr;
},
emwgpuDeviceCreateComputePipelineAsync__i53abi: false,
emwgpuDeviceCreateComputePipelineAsync__deps: ['emwgpuCreateComputePipeline', 'emwgpuOnCreateComputePipelineCompleted'],
emwgpuDeviceCreateComputePipelineAsync__sig: 'vpjp',
emwgpuDeviceCreateComputePipelineAsync: (devicePtr, futureIdL, futureIdH, descriptor) => {
var desc = WebGPU.makeComputePipelineDesc(descriptor);
var device = WebGPU.getJsObject(devicePtr);
{{{ runtimeKeepalivePush() }}}
WebGPU.Internals.futureInsert(futureIdL, futureIdH, device.createComputePipelineAsync(desc).then((pipeline) => {
{{{ runtimeKeepalivePop() }}}
var pipelinePtr = _emwgpuCreateComputePipeline();
WebGPU.Internals.jsObjectInsert(pipelinePtr, pipeline);
_emwgpuOnCreateComputePipelineCompleted(futureIdL, futureIdH, {{{ gpu.CreatePipelineAsyncStatus.Success }}}, pipelinePtr, 0);
}, (pipelineError) => {
{{{ runtimeKeepalivePop() }}}
var sp = stackSave();
var messagePtr = stringToUTF8OnStack(pipelineError.message);
var status =
pipeline.reason === 'validation' ? {{{ gpu.CreatePipelineAsyncStatus.ValidationError }}} :
pipeline.reason === 'internal' ? {{{ gpu.CreatePipelineAsyncStatus.InternalError }}} :
{{{ gpu.CreatePipelineAsyncStatus.Unknown }}};
_emwgpuOnCreateComputePipelineCompleted(futureIdL, futureIdH, status, 0, messagePtr);
stackRestore(sp);
}));
},
wgpuDeviceCreatePipelineLayout__deps: ['emwgpuCreatePipelineLayout'],
wgpuDeviceCreatePipelineLayout: (devicePtr, descriptor) => {
{{{ gpu.makeCheckDescriptor('descriptor') }}}
var bglCount = {{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUPipelineLayoutDescriptor.bindGroupLayoutCount) }}};
var bglPtr = {{{ makeGetValue('descriptor', C_STRUCTS.WGPUPipelineLayoutDescriptor.bindGroupLayouts, '*') }}};
var bgls = [];
for (var i = 0; i < bglCount; ++i) {
bgls.push(WebGPU.getJsObject(
{{{ makeGetValue('bglPtr', `${POINTER_SIZE} * i`, '*') }}}));
}
var desc = {
"label": WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPUPipelineLayoutDescriptor.label }}}),
"bindGroupLayouts": bgls,
};
var device = WebGPU.getJsObject(devicePtr);
var ptr = _emwgpuCreatePipelineLayout();
WebGPU.Internals.jsObjectInsert(ptr, device.createPipelineLayout(desc));
return ptr;
},
wgpuDeviceCreateQuerySet__deps: ['emwgpuCreateQuerySet'],
wgpuDeviceCreateQuerySet: (devicePtr, descriptor) => {
{{{ gpu.makeCheckDescriptor('descriptor') }}}
var desc = {
"type": WebGPU.QueryType[
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUQuerySetDescriptor.type) }}}],
"count": {{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUQuerySetDescriptor.count) }}},
};
var device = WebGPU.getJsObject(devicePtr);
var ptr = _emwgpuCreateQuerySet();
WebGPU.Internals.jsObjectInsert(ptr, device.createQuerySet(desc));
return ptr;
},
wgpuDeviceCreateRenderBundleEncoder__deps: ['emwgpuCreateRenderBundleEncoder'],
wgpuDeviceCreateRenderBundleEncoder: (devicePtr, descriptor) => {
{{{ gpu.makeCheck('descriptor') }}}
function makeRenderBundleEncoderDescriptor(descriptor) {
{{{ gpu.makeCheck('descriptor') }}}
function makeColorFormats(count, formatsPtr) {
var formats = [];
for (var i = 0; i < count; ++i, formatsPtr += 4) {
// format could be undefined
formats.push(WebGPU.TextureFormat[{{{ gpu.makeGetU32('formatsPtr', 0) }}}]);
}
return formats;
}
var desc = {
"label": WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPURenderBundleEncoderDescriptor.label }}}),
"colorFormats": makeColorFormats(
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPURenderBundleEncoderDescriptor.colorFormatCount) }}},
{{{ makeGetValue('descriptor', C_STRUCTS.WGPURenderBundleEncoderDescriptor.colorFormats, '*') }}}),
"depthStencilFormat": WebGPU.TextureFormat[{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPURenderBundleEncoderDescriptor.depthStencilFormat) }}}],
"sampleCount": {{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPURenderBundleEncoderDescriptor.sampleCount) }}},
"depthReadOnly": {{{ gpu.makeGetBool('descriptor', C_STRUCTS.WGPURenderBundleEncoderDescriptor.depthReadOnly) }}},
"stencilReadOnly": {{{ gpu.makeGetBool('descriptor', C_STRUCTS.WGPURenderBundleEncoderDescriptor.stencilReadOnly) }}},
};
return desc;
}
var desc = makeRenderBundleEncoderDescriptor(descriptor);
var device = WebGPU.getJsObject(devicePtr);
var ptr = _emwgpuCreateRenderBundleEncoder();
WebGPU.Internals.jsObjectInsert(ptr, device.createRenderBundleEncoder(desc));
return ptr;
},
wgpuDeviceCreateRenderPipeline__deps: ['emwgpuCreateRenderPipeline'],
wgpuDeviceCreateRenderPipeline: (devicePtr, descriptor) => {
var desc = WebGPU.makeRenderPipelineDesc(descriptor);
var device = WebGPU.getJsObject(devicePtr);
var ptr = _emwgpuCreateRenderPipeline();
WebGPU.Internals.jsObjectInsert(ptr, device.createRenderPipeline(desc));
return ptr;
},
emwgpuDeviceCreateRenderPipelineAsync__i53abi: false,
emwgpuDeviceCreateRenderPipelineAsync__deps: ['emwgpuCreateRenderPipeline', 'emwgpuOnCreateRenderPipelineCompleted'],
emwgpuDeviceCreateRenderPipelineAsync__sig: 'vpjp',
emwgpuDeviceCreateRenderPipelineAsync: (devicePtr, futureIdL, futureIdH, descriptor) => {
var desc = WebGPU.makeRenderPipelineDesc(descriptor);
var device = WebGPU.getJsObject(devicePtr);
{{{ runtimeKeepalivePush() }}}
WebGPU.Internals.futureInsert(futureIdL, futureIdH, device.createRenderPipelineAsync(desc).then((pipeline) => {
{{{ runtimeKeepalivePop() }}}
var pipelinePtr = _emwgpuCreateRenderPipeline();
WebGPU.Internals.jsObjectInsert(pipelinePtr, pipeline);
_emwgpuOnCreateRenderPipelineCompleted(futureIdL, futureIdH, {{{ gpu.CreatePipelineAsyncStatus.Success }}}, pipelinePtr, 0);
}, (pipelineError) => {
{{{ runtimeKeepalivePop() }}}
var sp = stackSave();
var messagePtr = stringToUTF8OnStack(pipelineError.message);
var status =
pipeline.reason === 'validation' ? {{{ gpu.CreatePipelineAsyncStatus.ValidationError }}} :
pipeline.reason === 'internal' ? {{{ gpu.CreatePipelineAsyncStatus.InternalError }}} :
{{{ gpu.CreatePipelineAsyncStatus.Unknown }}};
_emwgpuOnCreateRenderPipelineCompleted(futureIdL, futureIdH, status, 0, messagePtr);
stackRestore(sp);
}));
},
wgpuDeviceCreateSampler__deps: ['emwgpuCreateSampler'],
wgpuDeviceCreateSampler: (devicePtr, descriptor) => {
var desc;
if (descriptor) {
{{{ gpu.makeCheckDescriptor('descriptor') }}}
desc = {
"label": WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPUSamplerDescriptor.label }}}),
"addressModeU": WebGPU.AddressMode[
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUSamplerDescriptor.addressModeU) }}}],
"addressModeV": WebGPU.AddressMode[
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUSamplerDescriptor.addressModeV) }}}],
"addressModeW": WebGPU.AddressMode[
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUSamplerDescriptor.addressModeW) }}}],
"magFilter": WebGPU.FilterMode[
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUSamplerDescriptor.magFilter) }}}],
"minFilter": WebGPU.FilterMode[
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUSamplerDescriptor.minFilter) }}}],
"mipmapFilter": WebGPU.MipmapFilterMode[
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUSamplerDescriptor.mipmapFilter) }}}],
"lodMinClamp": {{{ makeGetValue('descriptor', C_STRUCTS.WGPUSamplerDescriptor.lodMinClamp, 'float') }}},
"lodMaxClamp": {{{ makeGetValue('descriptor', C_STRUCTS.WGPUSamplerDescriptor.lodMaxClamp, 'float') }}},
"compare": WebGPU.CompareFunction[
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUSamplerDescriptor.compare) }}}],
};
}
var device = WebGPU.getJsObject(devicePtr);
var ptr = _emwgpuCreateSampler();
WebGPU.Internals.jsObjectInsert(ptr, device.createSampler(desc));
return ptr;
},
emwgpuDeviceCreateShaderModule__sig: 'vppp',
emwgpuDeviceCreateShaderModule: (devicePtr, descriptor, shaderModulePtr) => {
{{{ gpu.makeCheck('descriptor') }}}
var nextInChainPtr = {{{ makeGetValue('descriptor', C_STRUCTS.WGPUShaderModuleDescriptor.nextInChain, '*') }}};
#if ASSERTIONS
assert(nextInChainPtr !== 0);
#endif
var sType = {{{ gpu.makeGetU32('nextInChainPtr', C_STRUCTS.WGPUChainedStruct.sType) }}};
var desc = {
"label": WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPUShaderModuleDescriptor.label }}}),
"code": "",
};
switch (sType) {
case {{{ gpu.SType.ShaderSourceWGSL }}}: {
desc["code"] = WebGPU.makeStringFromStringView(
nextInChainPtr + {{{ C_STRUCTS.WGPUShaderSourceWGSL.code }}}
);
break;
}
#if ASSERTIONS
default: abort('unrecognized ShaderModule sType');
#endif
}
var device = WebGPU.getJsObject(devicePtr);
WebGPU.Internals.jsObjectInsert(shaderModulePtr, device.createShaderModule(desc));
},
wgpuDeviceCreateTexture__deps: ['emwgpuCreateTexture'],
wgpuDeviceCreateTexture: (devicePtr, descriptor) => {
{{{ gpu.makeCheckDescriptor('descriptor') }}}
var desc = {
"label": WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPUTextureDescriptor.label }}}),
"size": WebGPU.makeExtent3D(descriptor + {{{ C_STRUCTS.WGPUTextureDescriptor.size }}}),
"mipLevelCount": {{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUTextureDescriptor.mipLevelCount) }}},
"sampleCount": {{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUTextureDescriptor.sampleCount) }}},
"dimension": WebGPU.TextureDimension[
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUTextureDescriptor.dimension) }}}],
"format": WebGPU.TextureFormat[
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUTextureDescriptor.format) }}}],
"usage": {{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUTextureDescriptor.usage) }}},
};
var viewFormatCount = {{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUTextureDescriptor.viewFormatCount) }}};
if (viewFormatCount) {
var viewFormatsPtr = {{{ makeGetValue('descriptor', C_STRUCTS.WGPUTextureDescriptor.viewFormats, '*') }}};
// viewFormatsPtr pointer to an array of TextureFormat which is an enum of size uint32_t
desc["viewFormats"] = Array.from({{{ makeHEAPView('32', 'viewFormatsPtr', `viewFormatsPtr + viewFormatCount * 4`) }}},
function(format) { return WebGPU.TextureFormat[format]; });
}
var device = WebGPU.getJsObject(devicePtr);
var ptr = _emwgpuCreateTexture();
WebGPU.Internals.jsObjectInsert(ptr, device.createTexture(desc));
return ptr;
},
emwgpuDeviceDestroy: (devicePtr) => {
WebGPU.getJsObject(devicePtr).destroy()
},
wgpuDeviceEnumerateFeatures: (devicePtr, featuresOutPtr) => {
var device = WebGPU.getJsObject(devicePtr);
if (featuresOutPtr !== 0) {
var offset = 0;
device.features.forEach(feature => {
var featureEnumValue = WebGPU.FeatureNameString2Enum[feature];
{{{ makeSetValue('featuresOutPtr', 'offset', 'featureEnumValue', 'i32') }}};
offset += 4;
});
}
return device.features.size;
},
wgpuDeviceGetLimits: (devicePtr, limitsOutPtr) => {
var device = WebGPU.getJsObject(devicePtr);
WebGPU.fillLimitStruct(device.limits, limitsOutPtr);
return 1;
},
wgpuDeviceHasFeature: (devicePtr, featureEnumValue) => {
var device = WebGPU.getJsObject(devicePtr);
return device.features.has(WebGPU.FeatureName[featureEnumValue]);
},
emwgpuDevicePopErrorScope__i53abi: false,
emwgpuDevicePopErrorScope__deps: ['emwgpuOnPopErrorScopeCompleted'],
emwgpuDevicePopErrorScope__sig: 'vpj',
emwgpuDevicePopErrorScope: (devicePtr, futureIdL, futureIdH) => {
var device = WebGPU.getJsObject(devicePtr);
{{{ runtimeKeepalivePush() }}}
WebGPU.Internals.futureInsert(futureIdL, futureIdH, device.popErrorScope().then((gpuError) => {
{{{ runtimeKeepalivePop() }}}
var type = {{{ gpu.ErrorType.Unknown }}};
if (!gpuError) type = {{{ gpu.ErrorType.NoError }}};
else if (gpuError instanceof GPUValidationError) type = {{{ gpu.ErrorType.Validation }}};
else if (gpuError instanceof GPUOutOfMemoryError) type = {{{ gpu.ErrorType.OutOfMemory }}};
else if (gpuError instanceof GPUInternalError) type = {{{ gpu.ErrorType.Internal }}};
#if ASSERTIONS
else assert(false);
#endif
var sp = stackSave();
var messagePtr = gpuError ? stringToUTF8OnStack(gpuError.message) : 0;
_emwgpuOnPopErrorScopeCompleted(futureIdL, futureIdH, {{{ gpu.PopErrorScopeStatus.Success }}}, type, messagePtr);
stackRestore(sp);
}, (ex) => {
{{{ runtimeKeepalivePop() }}}
var sp = stackSave();
var messagePtr = stringToUTF8OnStack(ex.message);
_emwgpuOnPopErrorScopeCompleted(futureIdL, futureIdH, {{{ gpu.PopErrorScopeStatus.Success }}}, {{{ gpu.ErrorType.Unknown }}}, messagePtr);
stackRestore(sp);
}));
},
wgpuDevicePushErrorScope: (devicePtr, filter) => {
var device = WebGPU.getJsObject(devicePtr);
device.pushErrorScope(WebGPU.ErrorFilter[filter]);
},
// TODO(42241415) Remove this after verifying that it's not used and/or updating users.
wgpuDeviceSetUncapturedErrorCallback__deps: ['$callUserCallback'],
wgpuDeviceSetUncapturedErrorCallback: (devicePtr, callback, userdata) => {
var device = WebGPU.getJsObject(devicePtr);
device.onuncapturederror = function(ev) {
// This will skip the callback if the runtime is no longer alive.
callUserCallback(() => {
// WGPUErrorType type, const char* message, void* userdata
var Validation = 0x00000001;
var OutOfMemory = 0x00000002;
var type;
#if ASSERTIONS
assert(typeof GPUValidationError != 'undefined');
assert(typeof GPUOutOfMemoryError != 'undefined');
#endif
if (ev.error instanceof GPUValidationError) type = Validation;
else if (ev.error instanceof GPUOutOfMemoryError) type = OutOfMemory;
// TODO: Implement GPUInternalError
WebGPU.errorCallback(callback, type, ev.error.message, userdata);
});
};
},
// --------------------------------------------------------------------------
// Methods of Instance
// --------------------------------------------------------------------------
wgpuInstanceCreateSurface__deps: ['$findCanvasEventTarget', 'emwgpuCreateSurface'],
wgpuInstanceCreateSurface: (instancePtr, descriptor) => {
{{{ gpu.makeCheck('descriptor') }}}
var nextInChainPtr = {{{ makeGetValue('descriptor', C_STRUCTS.WGPUSurfaceDescriptor.nextInChain, '*') }}};
#if ASSERTIONS
assert(nextInChainPtr !== 0);
assert({{{ gpu.SType.SurfaceSourceCanvasHTMLSelector_Emscripten }}} ===
{{{ gpu.makeGetU32('nextInChainPtr', C_STRUCTS.WGPUChainedStruct.sType) }}});
#endif
var sourceCanvasHTMLSelector = nextInChainPtr;
{{{ gpu.makeCheckDescriptor('sourceCanvasHTMLSelector') }}}
var selectorPtr = {{{ makeGetValue('sourceCanvasHTMLSelector', C_STRUCTS.WGPUSurfaceSourceCanvasHTMLSelector_Emscripten.selector, '*') }}};
{{{ gpu.makeCheck('selectorPtr') }}}
var canvas = findCanvasEventTarget(selectorPtr);
#if OFFSCREENCANVAS_SUPPORT
if (canvas.offscreenCanvas) canvas = canvas.offscreenCanvas;
#endif
var context = canvas.getContext('webgpu');
#if ASSERTIONS
assert(context);
#endif
if (!context) return 0;
context.surfaceLabelWebGPU = WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPUSurfaceDescriptor.label }}}
);
var ptr = _emwgpuCreateSurface();
WebGPU.Internals.jsObjectInsert(ptr, context);
return ptr;
},
wgpuInstanceHasWGSLLanguageFeature: (instance, featureEnumValue) => {
if (!('wgslLanguageFeatures' in navigator["gpu"])) {
return false;
}
return navigator["gpu"]["wgslLanguageFeatures"].has(WebGPU.WGSLFeatureName[featureEnumValue]);
},
emwgpuInstanceRequestAdapter__i53abi: false,
emwgpuInstanceRequestAdapter__deps: ['emwgpuCreateAdapter', 'emwgpuOnRequestAdapterCompleted'],
emwgpuInstanceRequestAdapter__sig: 'vpjp',
emwgpuInstanceRequestAdapter: (instancePtr, futureIdL, futureIdH, options) => {
var opts;
if (options) {
{{{ gpu.makeCheckDescriptor('options') }}}
opts = {
"powerPreference": WebGPU.PowerPreference[
{{{ gpu.makeGetU32('options', C_STRUCTS.WGPURequestAdapterOptions.powerPreference) }}}],
"forceFallbackAdapter":
{{{ gpu.makeGetBool('options', C_STRUCTS.WGPURequestAdapterOptions.forceFallbackAdapter) }}},
};
}
if (!('gpu' in navigator)) {
var sp = stackSave();
var messagePtr = stringToUTF8OnStack('WebGPU not available on this browser (navigator.gpu is not available)');
_emwgpuOnRequestAdapterCompleted(futureIdL, futureIdH, {{{ gpu.RequestAdapterStatus.Unavailable }}}, 0, messagePtr);
stackRestore(sp);
return;
}
{{{ runtimeKeepalivePush() }}}
WebGPU.Internals.futureInsert(futureIdL, futureIdH, navigator["gpu"]["requestAdapter"](opts).then((adapter) => {
{{{ runtimeKeepalivePop() }}}
if (adapter) {
var adapterPtr = _emwgpuCreateAdapter(instancePtr);
WebGPU.Internals.jsObjectInsert(adapterPtr, adapter);
_emwgpuOnRequestAdapterCompleted(futureIdL, futureIdH, {{{ gpu.RequestAdapterStatus.Success }}}, adapterPtr, 0);
} else {
var sp = stackSave();
var messagePtr = stringToUTF8OnStack('WebGPU not available on this browser (requestAdapter returned null)');
_emwgpuOnRequestAdapterCompleted(futureIdL, futureIdH, {{{ gpu.RequestAdapterStatus.Unavailable }}}, 0, messagePtr);
stackRestore(sp);
}
}, (ex) => {
{{{ runtimeKeepalivePop() }}}
var sp = stackSave();
var messagePtr = stringToUTF8OnStack(ex.message);
_emwgpuOnRequestAdapterCompleted(futureIdL, futureIdH, {{{ gpu.RequestAdapterStatus.Error }}}, 0, messagePtr);
stackRestore(sp);
}));
},
// --------------------------------------------------------------------------
// Methods of PipelineLayout
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Methods of QuerySet
// --------------------------------------------------------------------------
wgpuQuerySetDestroy: (querySetPtr) => {
WebGPU.getJsObject(querySetPtr).destroy();
},
wgpuQuerySetGetCount: (querySetPtr) => {
var querySet = WebGPU.getJsObject(querySetPtr);
return querySet.count;
},
wgpuQuerySetGetType: (querySetPtr, labelPtr) => {
var querySet = WebGPU.getJsObject(querySetPtr);
return querySet.type;
},
// --------------------------------------------------------------------------
// Methods of Queue
// --------------------------------------------------------------------------
emwgpuQueueOnSubmittedWorkDone__i53abi: false,
emwgpuQueueOnSubmittedWorkDone__deps: ['emwgpuOnWorkDoneCompleted'],
emwgpuQueueOnSubmittedWorkDone__sig: 'vpj',
emwgpuQueueOnSubmittedWorkDone: (queuePtr, futureIdL, futureIdH) => {
var queue = WebGPU.getJsObject(queuePtr);
{{{ runtimeKeepalivePush() }}}
WebGPU.Internals.futureInsert(futureIdL, futureIdH, queue.onSubmittedWorkDone().then(() => {
{{{ runtimeKeepalivePop() }}}
_emwgpuOnWorkDoneCompleted(futureIdL, futureIdH, {{{ gpu.QueueWorkDoneStatus.Success }}});
}, () => {
{{{ runtimeKeepalivePop() }}}
_emwgpuOnWorkDoneCompleted(futureIdL, futureIdH, {{{ gpu.QueueWorkDoneStatus.Error }}});
}));
},
wgpuQueueSubmit: (queuePtr, commandCount, commands) => {
#if ASSERTIONS
assert(commands % 4 === 0);
#endif
var queue = WebGPU.getJsObject(queuePtr);
var cmds = Array.from({{{ makeHEAPView(`${POINTER_BITS}`, 'commands', `commands + commandCount * ${POINTER_SIZE}`)}}},
(id) => WebGPU.getJsObject(id));
queue.submit(cmds);
},
wgpuQueueWriteBuffer: (queuePtr, bufferPtr, bufferOffset, data, size) => {
var queue = WebGPU.getJsObject(queuePtr);
var buffer = WebGPU.getJsObject(bufferPtr);
// There is a size limitation for ArrayBufferView. Work around by passing in a subarray
// instead of the whole heap. crbug.com/1201109
var subarray = HEAPU8.subarray(data, data + size);
queue.writeBuffer(buffer, bufferOffset, subarray, 0, size);
},
wgpuQueueWriteTexture: (queuePtr, destinationPtr, data, dataSize, dataLayoutPtr, writeSizePtr) => {
var queue = WebGPU.getJsObject(queuePtr);
var destination = WebGPU.makeImageCopyTexture(destinationPtr);
var dataLayout = WebGPU.makeTextureDataLayout(dataLayoutPtr);
var writeSize = WebGPU.makeExtent3D(writeSizePtr);
// This subarray isn't strictly necessary, but helps work around an issue
// where Chromium makes a copy of the entire heap. crbug.com/1134457
var subarray = HEAPU8.subarray(data, data + dataSize);
queue.writeTexture(destination, subarray, dataLayout, writeSize);
},
// --------------------------------------------------------------------------
// Methods of RenderBundle
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Methods of RenderBundleEncoder
// --------------------------------------------------------------------------
wgpuRenderBundleEncoderDraw: (passPtr, vertexCount, instanceCount, firstVertex, firstInstance) => {
var pass = WebGPU.getJsObject(passPtr);
pass.draw(vertexCount, instanceCount, firstVertex, firstInstance);
},
wgpuRenderBundleEncoderDrawIndexed: (passPtr, indexCount, instanceCount, firstIndex, baseVertex, firstInstance) => {
var pass = WebGPU.getJsObject(passPtr);
pass.drawIndexed(indexCount, instanceCount, firstIndex, baseVertex, firstInstance);
},
wgpuRenderBundleEncoderDrawIndexedIndirect: (passPtr, indirectBufferPtr, indirectOffset) => {
var indirectBuffer = WebGPU.getJsObject(indirectBufferPtr);
var pass = WebGPU.getJsObject(passPtr);
pass.drawIndexedIndirect(indirectBuffer, indirectOffset);
},
wgpuRenderBundleEncoderDrawIndirect: (passPtr, indirectBufferPtr, indirectOffset) => {
var indirectBuffer = WebGPU.getJsObject(indirectBufferPtr);
var pass = WebGPU.getJsObject(passPtr);
pass.drawIndirect(indirectBuffer, indirectOffset);
},
wgpuRenderBundleEncoderFinish__deps: ['emwgpuCreateRenderBundle'],
wgpuRenderBundleEncoderFinish: (encoderPtr, descriptor) => {
var desc;
if (descriptor) {
{{{ gpu.makeCheckDescriptor('descriptor') }}}
desc = {
"label": WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPURenderBundleDescriptor.label }}}),
};
}
var encoder = WebGPU.getJsObject(encoderPtr);
var ptr = _emwgpuCreateRenderBundle();
WebGPU.Internals.jsObjectInsert(ptr, encoder.finish(desc));
return ptr;
},
wgpuRenderBundleEncoderInsertDebugMarker2: (encoderPtr, markerLabelPtr) => {
var encoder = WebGPU.getJsObject(encoderPtr);
encoder.insertDebugMarker(WebGPU.makeStringFromStringView(markerLabelPtr));
},
wgpuRenderBundleEncoderPopDebugGroup: (encoderPtr) => {
var encoder = WebGPU.getJsObject(encoderPtr);
encoder.popDebugGroup();
},
wgpuRenderBundleEncoderPushDebugGroup2: (encoderPtr, groupLabelPtr) => {
var encoder = WebGPU.getJsObject(encoderPtr);
encoder.pushDebugGroup(WebGPU.makeStringFromStringView(groupLabelPtr));
},
wgpuRenderBundleEncoderSetBindGroup: (passPtr, groupIndex, groupPtr, dynamicOffsetCount, dynamicOffsetsPtr) => {
var pass = WebGPU.getJsObject(passPtr);
var group = WebGPU.getJsObject(groupPtr);
if (dynamicOffsetCount == 0) {
pass.setBindGroup(groupIndex, group);
} else {
var offsets = [];
for (var i = 0; i < dynamicOffsetCount; i++, dynamicOffsetsPtr += 4) {
offsets.push({{{ gpu.makeGetU32('dynamicOffsetsPtr', 0) }}});
}
pass.setBindGroup(groupIndex, group, offsets);
}
},
wgpuRenderBundleEncoderSetIndexBuffer: (passPtr, bufferPtr, format, offset, size) => {
var pass = WebGPU.getJsObject(passPtr);
var buffer = WebGPU.getJsObject(bufferPtr);
{{{ gpu.convertSentinelToUndefined('size') }}}
pass.setIndexBuffer(buffer, WebGPU.IndexFormat[format], offset, size);
},
wgpuRenderBundleEncoderSetPipeline: (passPtr, pipelinePtr) => {
var pass = WebGPU.getJsObject(passPtr);
var pipeline = WebGPU.getJsObject(pipelinePtr);
pass.setPipeline(pipeline);
},
wgpuRenderBundleEncoderSetVertexBuffer: (passPtr, slot, bufferPtr, offset, size) => {
var pass = WebGPU.getJsObject(passPtr);
var buffer = WebGPU.getJsObject(bufferPtr);
{{{ gpu.convertSentinelToUndefined('size') }}}
pass.setVertexBuffer(slot, buffer, offset, size);
},
// --------------------------------------------------------------------------
// Methods of RenderPassEncoder
// --------------------------------------------------------------------------
wgpuRenderPassEncoderBeginOcclusionQuery: (passPtr, queryIndex) => {
var pass = WebGPU.getJsObject(passPtr);
pass.beginOcclusionQuery(queryIndex);
},
wgpuRenderPassEncoderDraw: (passPtr, vertexCount, instanceCount, firstVertex, firstInstance) => {
var pass = WebGPU.getJsObject(passPtr);
pass.draw(vertexCount, instanceCount, firstVertex, firstInstance);
},
wgpuRenderPassEncoderDrawIndexed: (passPtr, indexCount, instanceCount, firstIndex, baseVertex, firstInstance) => {
var pass = WebGPU.getJsObject(passPtr);
pass.drawIndexed(indexCount, instanceCount, firstIndex, baseVertex, firstInstance);
},
wgpuRenderPassEncoderDrawIndexedIndirect: (passPtr, indirectBufferPtr, indirectOffset) => {
var indirectBuffer = WebGPU.getJsObject(indirectBufferPtr);
var pass = WebGPU.getJsObject(passPtr);
pass.drawIndexedIndirect(indirectBuffer, indirectOffset);
},
wgpuRenderPassEncoderDrawIndirect: (passPtr, indirectBufferPtr, indirectOffset) => {
var indirectBuffer = WebGPU.getJsObject(indirectBufferPtr);
var pass = WebGPU.getJsObject(passPtr);
pass.drawIndirect(indirectBuffer, indirectOffset);
},
wgpuRenderPassEncoderEnd: (encoderPtr) => {
var encoder = WebGPU.getJsObject(encoderPtr);
encoder.end();
},
wgpuRenderPassEncoderEndOcclusionQuery: (passPtr) => {
var pass = WebGPU.getJsObject(passPtr);
pass.endOcclusionQuery();
},
wgpuRenderPassEncoderExecuteBundles: (passPtr, count, bundlesPtr) => {
var pass = WebGPU.getJsObject(passPtr);
#if ASSERTIONS
assert(bundlesPtr % 4 === 0);
#endif
var bundles = Array.from({{{ makeHEAPView(`${POINTER_BITS}`, 'bundlesPtr', `bundlesPtr + count * ${POINTER_SIZE}`) }}},
(id) => WebGPU.getJsObject(id));
pass.executeBundles(bundles);
},
wgpuRenderPassEncoderInsertDebugMarker2: (encoderPtr, markerLabelPtr) => {
var encoder = WebGPU.getJsObject(encoderPtr);
encoder.insertDebugMarker(WebGPU.makeStringFromStringView(markerLabelPtr));
},
wgpuRenderPassEncoderPopDebugGroup: (encoderPtr) => {
var encoder = WebGPU.getJsObject(encoderPtr);
encoder.popDebugGroup();
},
wgpuRenderPassEncoderPushDebugGroup2: (encoderPtr, groupLabelPtr) => {
var encoder = WebGPU.getJsObject(encoderPtr);
encoder.pushDebugGroup(WebGPU.makeStringFromStringView(groupLabelPtr));
},
wgpuRenderPassEncoderSetBindGroup: (passPtr, groupIndex, groupPtr, dynamicOffsetCount, dynamicOffsetsPtr) => {
var pass = WebGPU.getJsObject(passPtr);
var group = WebGPU.getJsObject(groupPtr);
if (dynamicOffsetCount == 0) {
pass.setBindGroup(groupIndex, group);
} else {
var offsets = [];
for (var i = 0; i < dynamicOffsetCount; i++, dynamicOffsetsPtr += 4) {
offsets.push({{{ gpu.makeGetU32('dynamicOffsetsPtr', 0) }}});
}
pass.setBindGroup(groupIndex, group, offsets);
}
},
wgpuRenderPassEncoderSetBlendConstant: (passPtr, colorPtr) => {
var pass = WebGPU.getJsObject(passPtr);
var color = WebGPU.makeColor(colorPtr);
pass.setBlendConstant(color);
},
wgpuRenderPassEncoderSetIndexBuffer: (passPtr, bufferPtr, format, offset, size) => {
var pass = WebGPU.getJsObject(passPtr);
var buffer = WebGPU.getJsObject(bufferPtr);
{{{ gpu.convertSentinelToUndefined('size') }}}
pass.setIndexBuffer(buffer, WebGPU.IndexFormat[format], offset, size);
},
wgpuRenderPassEncoderSetPipeline: (passPtr, pipelinePtr) => {
var pass = WebGPU.getJsObject(passPtr);
var pipeline = WebGPU.getJsObject(pipelinePtr);
pass.setPipeline(pipeline);
},
wgpuRenderPassEncoderSetScissorRect: (passPtr, x, y, w, h) => {
var pass = WebGPU.getJsObject(passPtr);
pass.setScissorRect(x, y, w, h);
},
wgpuRenderPassEncoderSetStencilReference: (passPtr, reference) => {
var pass = WebGPU.getJsObject(passPtr);
pass.setStencilReference(reference);
},
wgpuRenderPassEncoderSetVertexBuffer: (passPtr, slot, bufferPtr, offset, size) => {
var pass = WebGPU.getJsObject(passPtr);
var buffer = WebGPU.getJsObject(bufferPtr);
{{{ gpu.convertSentinelToUndefined('size') }}}
pass.setVertexBuffer(slot, buffer, offset, size);
},
wgpuRenderPassEncoderSetViewport: (passPtr, x, y, w, h, minDepth, maxDepth) => {
var pass = WebGPU.getJsObject(passPtr);
pass.setViewport(x, y, w, h, minDepth, maxDepth);
},
wgpuRenderPassEncoderWriteTimestamp: (encoderPtr, querySetPtr, queryIndex) => {
var encoder = WebGPU.getJsObject(encoderPtr);
var querySet = WebGPU.getJsObject(querySetPtr);
encoder.writeTimestamp(querySet, queryIndex);
},
// --------------------------------------------------------------------------
// Methods of RenderPipeline
// --------------------------------------------------------------------------
wgpuRenderPipelineGetBindGroupLayout__deps: ['emwgpuCreateBindGroupLayout'],
wgpuRenderPipelineGetBindGroupLayout: (pipelinePtr, groupIndex) => {
var pipeline = WebGPU.getJsObject(pipelinePtr);
var ptr = _emwgpuCreateBindGroupLayout();
WebGPU.Internals.jsObjectInsert(ptr, pipeline.getBindGroupLayout(groupIndex));
return ptr;
},
// --------------------------------------------------------------------------
// Methods of Sampler
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Methods of ShaderModule
// --------------------------------------------------------------------------
emwgpuShaderModuleGetCompilationInfo__i53abi: false,
emwgpuShaderModuleGetCompilationInfo__deps: ['emwgpuOnCompilationInfoCompleted', '$stringToUTF8', '$lengthBytesUTF8', 'malloc'],
emwgpuShaderModuleGetCompilationInfo__sig: 'vpjp',
emwgpuShaderModuleGetCompilationInfo: (shaderModulePtr, futureIdL, futureIdH, compilationInfoPtr) => {
var shaderModule = WebGPU.getJsObject(shaderModulePtr);
{{{ runtimeKeepalivePush() }}}
WebGPU.Internals.futureInsert(futureIdL, futureIdH, shaderModule.getCompilationInfo().then((compilationInfo) => {
{{{ runtimeKeepalivePop() }}}
// Calculate the total length of strings and offsets here to malloc them
// all at once. Note that we start at 1 instead of 0 for the total size
// to ensure there's enough space for the null terminator that is always
// added by stringToUTF8.
var totalMessagesSize = 1;
var messageLengths = [];
for (var i = 0; i < compilationInfo.messages.length; ++i) {
var messageLength = lengthBytesUTF8(compilationInfo.messages[i].message);
totalMessagesSize += messageLength;
messageLengths.push(messageLength);
}
var messagesPtr = _malloc(totalMessagesSize);
// Allocate and fill out each CompilationMessage.
var compilationMessagesPtr = _malloc({{{ C_STRUCTS.WGPUCompilationMessage.__size__ }}} * compilationInfo.messages.length);
for (var i = 0; i < compilationInfo.messages.length; ++i) {
var compilationMessage = compilationInfo.messages[i];
var compilationMessagePtr = compilationMessagesPtr + {{{ C_STRUCTS.WGPUCompilationMessage.__size__ }}} * i;
// Write out the values to the CompilationMessage.
WebGPU.setStringView(compilationMessagePtr + {{{ C_STRUCTS.WGPUCompilationMessage.message }}}, messagesPtr, messageLengths[i]);
{{{ makeSetValue('compilationMessagePtr', C_STRUCTS.WGPUCompilationMessage.type, 'WebGPU.Int_CompilationMessageType[compilationMessage.type]', 'i32') }}};
{{{ makeSetValue('compilationMessagePtr', C_STRUCTS.WGPUCompilationMessage.lineNum, 'compilationMessage.lineNum', 'i64') }}};
{{{ makeSetValue('compilationMessagePtr', C_STRUCTS.WGPUCompilationMessage.linePos, 'compilationMessage.linePos', 'i64') }}};
{{{ makeSetValue('compilationMessagePtr', C_STRUCTS.WGPUCompilationMessage.offset, 'compilationMessage.offset', 'i64') }}};
{{{ makeSetValue('compilationMessagePtr', C_STRUCTS.WGPUCompilationMessage.length, 'compilationMessage.length', 'i64') }}};
// TODO: Convert JavaScript's UTF-16-code-unit offsets to UTF-8-code-unit offsets.
// https://github.com/webgpu-native/webgpu-headers/issues/246
{{{ makeSetValue('compilationMessagePtr', C_STRUCTS.WGPUCompilationMessage.utf16LinePos, 'compilationMessage.linePos', 'i64') }}};
{{{ makeSetValue('compilationMessagePtr', C_STRUCTS.WGPUCompilationMessage.utf16Offset, 'compilationMessage.offset', 'i64') }}};
{{{ makeSetValue('compilationMessagePtr', C_STRUCTS.WGPUCompilationMessage.utf16Length, 'compilationMessage.length', 'i64') }}};
// Write the string out to the allocated buffer. Note we have to add 1
// to the length of the string to ensure enough space for the null
// terminator. However, we only increment the pointer by the exact
// length so we overwrite the null terminators except for the last one.
stringToUTF8(compilationMessage.message, messagesPtr, messageLengths[i] + 1);
messagesPtr += messageLengths[i];
}
// Allocate and fill out the wrapping CompilationInfo struct.
{{{ makeSetValue('compilationInfoPtr', C_STRUCTS.WGPUCompilationInfo.messageCount, 'compilationInfo.messages.length', '*') }}}
{{{ makeSetValue('compilationInfoPtr', C_STRUCTS.WGPUCompilationInfo.messages, 'compilationMessagesPtr', '*') }}};
_emwgpuOnCompilationInfoCompleted(futureIdL, futureIdH, {{{ gpu.CompilationInfoRequestStatus.Success }}}, compilationInfoPtr);
}, () => {
_emwgpuOnCompilationInfoCompleted(futureIdL, futureIdH, {{{ gpu.CompilationInfoRequestStatus.Error }}}, compilationInfoPtr);
}));
},
// --------------------------------------------------------------------------
// Methods of Surface
// --------------------------------------------------------------------------
wgpuSurfaceConfigure: (surfacePtr, config) => {
{{{ gpu.makeCheckDescriptor('config') }}}
var devicePtr = {{{ makeGetValue('config', C_STRUCTS.WGPUSurfaceConfiguration.device, '*') }}};
var context = WebGPU.getJsObject(surfacePtr);
#if ASSERTIONS
var viewFormatCount = {{{ gpu.makeGetU32('config', C_STRUCTS.WGPUSurfaceConfiguration.viewFormatCount) }}};
var viewFormats = {{{ makeGetValue('config', C_STRUCTS.WGPUSurfaceConfiguration.viewFormats, '*') }}};
assert(viewFormatCount === 0 && viewFormats === 0, "TODO: Support viewFormats.");
assert({{{ gpu.PresentMode.Fifo }}} ===
{{{ gpu.makeGetU32('config', C_STRUCTS.WGPUSurfaceConfiguration.presentMode) }}});
#endif
var canvasSize = [
{{{ gpu.makeGetU32('config', C_STRUCTS.WGPUSurfaceConfiguration.width) }}},
{{{ gpu.makeGetU32('config', C_STRUCTS.WGPUSurfaceConfiguration.height) }}}
];
if (canvasSize[0] !== 0) {
context["canvas"]["width"] = canvasSize[0];
}
if (canvasSize[1] !== 0) {
context["canvas"]["height"] = canvasSize[1];
}
var configuration = {
"device": WebGPU.getJsObject(devicePtr),
"format": WebGPU.TextureFormat[
{{{ gpu.makeGetU32('config', C_STRUCTS.WGPUSurfaceConfiguration.format) }}}],
"usage": {{{ gpu.makeGetU32('config', C_STRUCTS.WGPUSurfaceConfiguration.usage) }}},
"alphaMode": WebGPU.CompositeAlphaMode[
{{{ gpu.makeGetU32('config', C_STRUCTS.WGPUSurfaceConfiguration.alphaMode) }}}],
};
context.configure(configuration);
},
wgpuSurfaceGetCurrentTexture__deps: ['emwgpuCreateTexture'],
wgpuSurfaceGetCurrentTexture: (surfacePtr, surfaceTexturePtr) => {
{{{ gpu.makeCheck('surfaceTexturePtr') }}}
var context = WebGPU.getJsObject(surfacePtr);
try {
var texturePtr = _emwgpuCreateTexture();
WebGPU.Internals.jsObjectInsert(texturePtr, context.getCurrentTexture());
{{{ makeSetValue('surfaceTexturePtr', C_STRUCTS.WGPUSurfaceTexture.texture, 'texturePtr', '*') }}};
{{{ makeSetValue('surfaceTexturePtr', C_STRUCTS.WGPUSurfaceTexture.suboptimal, '0', 'i32') }}};
{{{ makeSetValue('surfaceTexturePtr', C_STRUCTS.WGPUSurfaceTexture.status,
gpu.SurfaceGetCurrentTextureStatus.Success, 'i32') }}};
} catch (ex) {
#if ASSERTIONS
err(`wgpuSurfaceGetCurrentTexture() failed: ${ex}`);
#endif
{{{ makeSetValue('surfaceTexturePtr', C_STRUCTS.WGPUSurfaceTexture.texture, '0', '*') }}};
{{{ makeSetValue('surfaceTexturePtr', C_STRUCTS.WGPUSurfaceTexture.suboptimal, '0', 'i32') }}};
// TODO(https://github.com/webgpu-native/webgpu-headers/issues/291): What should the status be here?
{{{ makeSetValue('surfaceTexturePtr', C_STRUCTS.WGPUSurfaceTexture.status,
gpu.SurfaceGetCurrentTextureStatus.DeviceLost, 'i32') }}};
}
},
wgpuSurfacePresent: (surfacePtr) => {
// TODO: This could probably be emulated with ASYNCIFY.
abort('wgpuSurfacePresent is unsupported (use requestAnimationFrame via html5.h instead)');
},
wgpuSurfaceUnconfigure: (surfacePtr) => {
var context = WebGPU.getJsObject(surfacePtr);
context.unconfigure();
},
// --------------------------------------------------------------------------
// Methods of Texture
// --------------------------------------------------------------------------
wgpuTextureCreateView__deps: ['emwgpuCreateTextureView'],
wgpuTextureCreateView: (texturePtr, descriptor) => {
var desc;
if (descriptor) {
{{{ gpu.makeCheckDescriptor('descriptor') }}}
var mipLevelCount = {{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUTextureViewDescriptor.mipLevelCount) }}};
var arrayLayerCount = {{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUTextureViewDescriptor.arrayLayerCount) }}};
desc = {
"label": WebGPU.makeStringFromOptionalStringView(
descriptor + {{{ C_STRUCTS.WGPUTextureViewDescriptor.label }}}),
"format": WebGPU.TextureFormat[
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUTextureViewDescriptor.format) }}}],
"dimension": WebGPU.TextureViewDimension[
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUTextureViewDescriptor.dimension) }}}],
"baseMipLevel": {{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUTextureViewDescriptor.baseMipLevel) }}},
"mipLevelCount": mipLevelCount === {{{ gpu.MIP_LEVEL_COUNT_UNDEFINED }}} ? undefined : mipLevelCount,
"baseArrayLayer": {{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUTextureViewDescriptor.baseArrayLayer) }}},
"arrayLayerCount": arrayLayerCount === {{{ gpu.ARRAY_LAYER_COUNT_UNDEFINED }}} ? undefined : arrayLayerCount,
"aspect": WebGPU.TextureAspect[
{{{ gpu.makeGetU32('descriptor', C_STRUCTS.WGPUTextureViewDescriptor.aspect) }}}],
};
}
var texture = WebGPU.getJsObject(texturePtr);
var ptr = _emwgpuCreateTextureView();
WebGPU.Internals.jsObjectInsert(ptr, texture.createView(desc));
return ptr;
},
wgpuTextureDestroy: (texturePtr) => {
WebGPU.getJsObject(texturePtr).destroy();
},
wgpuTextureGetDepthOrArrayLayers: (texturePtr) => {
var texture = WebGPU.getJsObject(texturePtr);
return texture.depthOrArrayLayers;
},
wgpuTextureGetDimension: (texturePtr) => {
var texture = WebGPU.getJsObject(texturePtr);
return WebGPU.TextureDimension.indexOf(texture.dimension);
},
wgpuTextureGetFormat: (texturePtr) => {
var texture = WebGPU.getJsObject(texturePtr);
// Should return the enum integer instead of string.
return WebGPU.TextureFormat.indexOf(texture.format);
},
wgpuTextureGetHeight: (texturePtr) => {
var texture = WebGPU.getJsObject(texturePtr);
return texture.height;
},
wgpuTextureGetMipLevelCount: (texturePtr) => {
var texture = WebGPU.getJsObject(texturePtr);
return texture.mipLevelCount;
},
wgpuTextureGetSampleCount: (texturePtr) => {
var texture = WebGPU.getJsObject(texturePtr);
return texture.sampleCount;
},
wgpuTextureGetUsage: (texturePtr) => {
var texture = WebGPU.getJsObject(texturePtr);
return texture.usage;
},
wgpuTextureGetWidth: (texturePtr) => {
var texture = WebGPU.getJsObject(texturePtr);
return texture.width;
},
// --------------------------------------------------------------------------
// Methods of TextureView
// --------------------------------------------------------------------------
};
// Inverted index used by EnumerateFeatures/HasFeature
LibraryWebGPU.$WebGPU.FeatureNameString2Enum = {};
for (var value in LibraryWebGPU.$WebGPU.FeatureName) {
LibraryWebGPU.$WebGPU.FeatureNameString2Enum[LibraryWebGPU.$WebGPU.FeatureName[value]] = value;
}
// Add and set __i53abi to true for functions with 64-bit value in their
// signatures, if not explicitly set otherwise.
for (const key of Object.keys(LibraryWebGPU)) {
if (typeof LibraryWebGPU[key] !== 'function') continue;
if (key + '__i53abi' in LibraryWebGPU) continue;
const sig = LibraryWebGPU[key + '__sig'];
if (!sig?.includes('j')) continue;
LibraryWebGPU[key + '__i53abi'] = true;
}
// Based on autoAddDeps, this helper iterates the object and moves the
// deps upwards into targetDeps and remove them from the object.
function moveDeps(object, targetDeps) {
for (var item in object) {
if (!item.endsWith('__deps')) {
if (object[item + '__deps']) {
targetDeps.push(...object[item + '__deps']);
delete object[item + '__deps']
}
}
}
}
moveDeps(LibraryWebGPU.$WebGPU, LibraryWebGPU.$WebGPU__deps)
autoAddDeps(LibraryWebGPU, '$WebGPU');
mergeInto(LibraryManager.library, LibraryWebGPU);