playcanvas
Version:
PlayCanvas WebGL game engine
632 lines (629 loc) • 24 kB
JavaScript
import { DEVICETYPE_WEBGPU, UNUSED_UNIFORM_NAME, PIXELFORMAT_SRGBA8, PIXELFORMAT_RGBA8, PIXELFORMAT_SBGRA8, PIXELFORMAT_BGRA8, DISPLAYFORMAT_LDR_SRGB, DISPLAYFORMAT_HDR, PIXELFORMAT_RGBA16F, BUFFERUSAGE_INDIRECT, BUFFERUSAGE_COPY_DST, BUFFERUSAGE_READ, semanticToLocation } from '../constants.js';
import { BindGroupFormat } from '../bind-group-format.js';
import { BindGroup } from '../bind-group.js';
import { GraphicsDevice } from '../graphics-device.js';
import { RenderTarget } from '../render-target.js';
import { StencilParameters } from '../stencil-parameters.js';
import { WebgpuBindGroup } from './webgpu-bind-group.js';
import { WebgpuBindGroupFormat } from './webgpu-bind-group-format.js';
import { WebgpuIndexBuffer } from './webgpu-index-buffer.js';
import { WebgpuRenderPipeline } from './webgpu-render-pipeline.js';
import { WebgpuComputePipeline } from './webgpu-compute-pipeline.js';
import { WebgpuRenderTarget } from './webgpu-render-target.js';
import { WebgpuShader } from './webgpu-shader.js';
import { WebgpuTexture } from './webgpu-texture.js';
import { WebgpuUniformBuffer } from './webgpu-uniform-buffer.js';
import { WebgpuVertexBuffer } from './webgpu-vertex-buffer.js';
import { WebgpuClearRenderer } from './webgpu-clear-renderer.js';
import { WebgpuMipmapRenderer } from './webgpu-mipmap-renderer.js';
import { WebgpuDynamicBuffers } from './webgpu-dynamic-buffers.js';
import { WebgpuGpuProfiler } from './webgpu-gpu-profiler.js';
import { WebgpuResolver } from './webgpu-resolver.js';
import { WebgpuCompute } from './webgpu-compute.js';
import { WebgpuBuffer } from './webgpu-buffer.js';
import { StorageBuffer } from '../storage-buffer.js';
const _uniqueLocations = new Map();
const _indirectEntryByteSize = 5 * 4;
class WebgpuGraphicsDevice extends GraphicsDevice {
constructor(canvas, options = {}){
super(canvas, options), this.renderPipeline = new WebgpuRenderPipeline(this), this.computePipeline = new WebgpuComputePipeline(this), this._indirectDrawBuffer = null, this._indirectDrawBufferCount = 0, this._indirectDrawNextIndex = 0, this.pipeline = null, this.bindGroupFormats = [], this.commandEncoder = null, this.commandBuffers = [], this.glslang = null, this.twgsl = null;
options = this.initOptions;
options.alpha = options.alpha ?? true;
this.backBufferAntialias = options.antialias ?? false;
this.isWebGPU = true;
this._deviceType = DEVICETYPE_WEBGPU;
this.scope.resolve(UNUSED_UNIFORM_NAME).setValue(0);
}
destroy() {
this.clearRenderer.destroy();
this.clearRenderer = null;
this.mipmapRenderer.destroy();
this.mipmapRenderer = null;
this.resolver.destroy();
this.resolver = null;
super.destroy();
}
initDeviceCaps() {
const limits = this.wgpu?.limits;
this.limits = limits;
this.precision = 'highp';
this.maxPrecision = 'highp';
this.maxSamples = 4;
this.maxTextures = 16;
this.maxTextureSize = limits.maxTextureDimension2D;
this.maxCubeMapSize = limits.maxTextureDimension2D;
this.maxVolumeSize = limits.maxTextureDimension3D;
this.maxColorAttachments = limits.maxColorAttachments;
this.maxPixelRatio = 1;
this.maxAnisotropy = 16;
this.fragmentUniformsCount = limits.maxUniformBufferBindingSize / 16;
this.vertexUniformsCount = limits.maxUniformBufferBindingSize / 16;
this.supportsUniformBuffers = true;
this.supportsAreaLights = true;
this.supportsGpuParticles = true;
this.supportsCompute = true;
this.textureFloatRenderable = true;
this.textureHalfFloatRenderable = true;
this.supportsImageBitmap = true;
this.samples = this.backBufferAntialias ? 4 : 1;
const wgslFeatures = window.navigator.gpu.wgslLanguageFeatures;
this.supportsStorageTextureRead = wgslFeatures?.has('readonly_and_readwrite_storage_textures');
this.initCapsDefines();
}
async initWebGpu(glslangUrl, twgslUrl) {
if (!window.navigator.gpu) {
throw new Error('Unable to retrieve GPU. Ensure you are using a browser that supports WebGPU rendering.');
}
if (glslangUrl && twgslUrl) {
const buildUrl = (srcPath)=>{
return new URL(srcPath, window.location.href).toString();
};
const results = await Promise.all([
import(/* @vite-ignore */ /* webpackIgnore: true */ `${buildUrl(twgslUrl)}`).then((module)=>twgsl(twgslUrl.replace('.js', '.wasm'))),
import(/* @vite-ignore */ /* webpackIgnore: true */ `${buildUrl(glslangUrl)}`).then((module)=>module.default())
]);
this.twgsl = results[0];
this.glslang = results[1];
}
return this.createDevice();
}
async createDevice() {
const adapterOptions = {
powerPreference: this.initOptions.powerPreference !== 'default' ? this.initOptions.powerPreference : undefined,
xrCompatible: this.initOptions.xrCompatible
};
this.gpuAdapter = await window.navigator.gpu.requestAdapter(adapterOptions);
const requiredFeatures = [];
const requireFeature = (feature)=>{
const supported = this.gpuAdapter.features.has(feature);
if (supported) {
requiredFeatures.push(feature);
}
return supported;
};
this.textureFloatFilterable = requireFeature('float32-filterable');
this.textureFloatBlendable = requireFeature('float32-blendable');
this.extCompressedTextureS3TC = requireFeature('texture-compression-bc');
this.extCompressedTextureETC = requireFeature('texture-compression-etc2');
this.extCompressedTextureASTC = requireFeature('texture-compression-astc');
this.supportsTimestampQuery = requireFeature('timestamp-query');
this.supportsDepthClip = requireFeature('depth-clip-control');
this.supportsDepth32Stencil = requireFeature('depth32float-stencil8');
this.supportsIndirectFirstInstance = requireFeature('indirect-first-instance');
this.supportsShaderF16 = requireFeature('shader-f16');
this.supportsStorageRGBA8 = requireFeature('bgra8unorm-storage');
this.textureRG11B10Renderable = requireFeature('rg11b10ufloat-renderable');
this.supportsClipDistances = requireFeature('clip-distances');
const adapterLimits = this.gpuAdapter?.limits;
const requiredLimits = {};
if (adapterLimits) {
for(const limitName in adapterLimits){
if (limitName === 'minSubgroupSize' || limitName === 'maxSubgroupSize') {
continue;
}
requiredLimits[limitName] = adapterLimits[limitName];
}
}
const deviceDescr = {
requiredFeatures,
requiredLimits,
defaultQueue: {
label: 'Default Queue'
}
};
this.wgpu = await this.gpuAdapter.requestDevice(deviceDescr);
this.wgpu.lost?.then(this.handleDeviceLost.bind(this));
this.initDeviceCaps();
this.gpuContext = this.canvas.getContext('webgpu');
let canvasToneMapping = 'standard';
let preferredCanvasFormat = window.navigator.gpu.getPreferredCanvasFormat();
const displayFormat = this.initOptions.displayFormat;
this.backBufferFormat = preferredCanvasFormat === 'rgba8unorm' ? displayFormat === DISPLAYFORMAT_LDR_SRGB ? PIXELFORMAT_SRGBA8 : PIXELFORMAT_RGBA8 : displayFormat === DISPLAYFORMAT_LDR_SRGB ? PIXELFORMAT_SBGRA8 : PIXELFORMAT_BGRA8;
this.backBufferViewFormat = displayFormat === DISPLAYFORMAT_LDR_SRGB ? `${preferredCanvasFormat}-srgb` : preferredCanvasFormat;
if (displayFormat === DISPLAYFORMAT_HDR && this.textureFloatFilterable) {
const hdrMediaQuery = window.matchMedia('(dynamic-range: high)');
if (hdrMediaQuery?.matches) {
this.backBufferFormat = PIXELFORMAT_RGBA16F;
this.backBufferViewFormat = 'rgba16float';
preferredCanvasFormat = 'rgba16float';
this.isHdr = true;
canvasToneMapping = 'extended';
}
}
this.canvasConfig = {
device: this.wgpu,
colorSpace: 'srgb',
alphaMode: this.initOptions.alpha ? 'premultiplied' : 'opaque',
format: preferredCanvasFormat,
toneMapping: {
mode: canvasToneMapping
},
usage: GPUTextureUsage.RENDER_ATTACHMENT | GPUTextureUsage.COPY_SRC | GPUTextureUsage.COPY_DST,
viewFormats: displayFormat === DISPLAYFORMAT_LDR_SRGB ? [
this.backBufferViewFormat
] : []
};
this.gpuContext?.configure(this.canvasConfig);
this.createBackbuffer();
this.clearRenderer = new WebgpuClearRenderer(this);
this.mipmapRenderer = new WebgpuMipmapRenderer(this);
this.resolver = new WebgpuResolver(this);
this.postInit();
return this;
}
async handleDeviceLost(info) {
if (info.reason !== 'destroyed') {
super.loseContext();
await this.createDevice();
super.restoreContext();
}
}
postInit() {
super.postInit();
this.initializeRenderState();
this.setupPassEncoderDefaults();
this.gpuProfiler = new WebgpuGpuProfiler(this);
this.dynamicBuffers = new WebgpuDynamicBuffers(this, 100 * 1024, this.limits.minUniformBufferOffsetAlignment);
this.emptyBindGroup = new BindGroup(this, new BindGroupFormat(this, []));
this.emptyBindGroup.update();
}
createBackbuffer() {
this.supportsStencil = this.initOptions.stencil;
this.backBuffer = new RenderTarget({
name: 'WebgpuFramebuffer',
graphicsDevice: this,
depth: this.initOptions.depth,
stencil: this.supportsStencil,
samples: this.samples
});
this.backBuffer.impl.isBackbuffer = true;
}
frameStart() {
super.frameStart();
this.gpuProfiler.frameStart();
this.submit();
const outColorBuffer = this.gpuContext?.getCurrentTexture?.() ?? this.externalBackbuffer?.impl.gpuTexture;
if (this.backBufferSize.x !== outColorBuffer.width || this.backBufferSize.y !== outColorBuffer.height) {
this.backBufferSize.set(outColorBuffer.width, outColorBuffer.height);
this.backBuffer.destroy();
this.backBuffer = null;
this.createBackbuffer();
}
const rt = this.backBuffer;
const wrt = rt.impl;
wrt.setColorAttachment(0, undefined, this.backBufferViewFormat);
this.initRenderTarget(rt);
wrt.assignColorTexture(this, outColorBuffer);
}
frameEnd() {
super.frameEnd();
this.gpuProfiler.frameEnd();
this.submit();
if (!this.contextLost) {
this.gpuProfiler.request();
}
this._indirectDrawNextIndex = 0;
}
createBufferImpl(usageFlags) {
return new WebgpuBuffer(usageFlags);
}
createUniformBufferImpl(uniformBuffer) {
return new WebgpuUniformBuffer(uniformBuffer);
}
createVertexBufferImpl(vertexBuffer, format, options) {
return new WebgpuVertexBuffer(vertexBuffer, format, options);
}
createIndexBufferImpl(indexBuffer, options) {
return new WebgpuIndexBuffer(indexBuffer, options);
}
createShaderImpl(shader) {
return new WebgpuShader(shader);
}
createTextureImpl(texture) {
return new WebgpuTexture(texture);
}
createRenderTargetImpl(renderTarget) {
return new WebgpuRenderTarget(renderTarget);
}
createBindGroupFormatImpl(bindGroupFormat) {
return new WebgpuBindGroupFormat(bindGroupFormat);
}
createBindGroupImpl(bindGroup) {
return new WebgpuBindGroup();
}
createComputeImpl(compute) {
return new WebgpuCompute(compute);
}
get indirectDrawBuffer() {
this.allocateIndirectDrawBuffer();
return this._indirectDrawBuffer;
}
allocateIndirectDrawBuffer() {
if (this._indirectDrawNextIndex === 0 && this._indirectDrawBufferCount < this.maxIndirectDrawCount) {
this._indirectDrawBuffer?.destroy();
this._indirectDrawBuffer = null;
}
if (this._indirectDrawBuffer === null) {
this._indirectDrawBuffer = new StorageBuffer(this, this.maxIndirectDrawCount * 4, BUFFERUSAGE_INDIRECT | BUFFERUSAGE_COPY_DST);
this._indirectDrawBufferCount = this.maxIndirectDrawCount;
}
}
getIndirectDrawSlot() {
this.allocateIndirectDrawBuffer();
const slot = this._indirectDrawNextIndex;
this._indirectDrawNextIndex++;
return slot;
}
setBindGroup(index, bindGroup, offsets) {
if (this.passEncoder) {
this.passEncoder.setBindGroup(index, bindGroup.impl.bindGroup, offsets ?? bindGroup.uniformBufferOffsets);
this.bindGroupFormats[index] = bindGroup.format.impl;
}
}
submitVertexBuffer(vertexBuffer, slot) {
const format = vertexBuffer.format;
const { interleaved, elements } = format;
const elementCount = elements.length;
const vbBuffer = vertexBuffer.impl.buffer;
if (interleaved) {
this.passEncoder.setVertexBuffer(slot, vbBuffer);
return 1;
}
for(let i = 0; i < elementCount; i++){
this.passEncoder.setVertexBuffer(slot + i, vbBuffer, elements[i].offset);
}
return elementCount;
}
validateVBLocations(vb0, vb1) {
const validateVB = (vb)=>{
const { elements } = vb.format;
for(let i = 0; i < elements.length; i++){
const name = elements[i].name;
const location = semanticToLocation[name];
if (_uniqueLocations.has(location)) ;
_uniqueLocations.set(location, name);
}
};
validateVB(vb0);
validateVB(vb1);
_uniqueLocations.clear();
}
draw(primitive, indexBuffer, numInstances = 1, indirectSlot, first = true, last = true) {
if (this.shader.ready && !this.shader.failed) {
const passEncoder = this.passEncoder;
let pipeline = this.pipeline;
const vb0 = this.vertexBuffers[0];
const vb1 = this.vertexBuffers[1];
if (first) {
if (vb0) {
const vbSlot = this.submitVertexBuffer(vb0, 0);
if (vb1) {
this.submitVertexBuffer(vb1, vbSlot);
}
}
pipeline = this.renderPipeline.get(primitive, vb0?.format, vb1?.format, indexBuffer?.format, this.shader, this.renderTarget, this.bindGroupFormats, this.blendState, this.depthState, this.cullMode, this.stencilEnabled, this.stencilFront, this.stencilBack);
if (this.pipeline !== pipeline) {
this.pipeline = pipeline;
passEncoder.setPipeline(pipeline);
}
}
if (indexBuffer) {
passEncoder.setIndexBuffer(indexBuffer.impl.buffer, indexBuffer.impl.format);
}
if (indirectSlot !== undefined) {
const indirectOffset = indirectSlot * _indirectEntryByteSize;
const indirectBuffer = this.indirectDrawBuffer.impl.buffer;
if (indexBuffer) {
passEncoder.drawIndexedIndirect(indirectBuffer, indirectOffset);
} else {
passEncoder.drawIndirect(indirectBuffer, indirectOffset);
}
} else {
if (indexBuffer) {
passEncoder.drawIndexed(primitive.count, numInstances, primitive.base, primitive.baseVertex ?? 0, 0);
} else {
passEncoder.draw(primitive.count, numInstances, primitive.base, 0);
}
}
}
if (last) {
this.clearVertexBuffer();
this.pipeline = null;
}
}
setShader(shader, asyncCompile = false) {
if (shader !== this.shader) {
this.shader = shader;
}
}
setBlendState(blendState) {
this.blendState.copy(blendState);
}
setDepthState(depthState) {
this.depthState.copy(depthState);
}
setStencilState(stencilFront, stencilBack) {
if (stencilFront || stencilBack) {
this.stencilEnabled = true;
this.stencilFront.copy(stencilFront ?? StencilParameters.DEFAULT);
this.stencilBack.copy(stencilBack ?? StencilParameters.DEFAULT);
const ref = this.stencilFront.ref;
if (this.stencilRef !== ref) {
this.stencilRef = ref;
this.passEncoder.setStencilReference(ref);
}
} else {
this.stencilEnabled = false;
}
}
setBlendColor(r, g, b, a) {
const c = this.blendColor;
if (r !== c.r || g !== c.g || b !== c.b || a !== c.a) {
c.set(r, g, b, a);
this.passEncoder.setBlendConstant(c);
}
}
setCullMode(cullMode) {
this.cullMode = cullMode;
}
setAlphaToCoverage(state) {}
initializeContextCaches() {
super.initializeContextCaches();
}
setupPassEncoderDefaults() {
this.pipeline = null;
this.stencilRef = 0;
this.blendColor.set(0, 0, 0, 0);
}
_uploadDirtyTextures() {
this.textures.forEach((texture)=>{
if (texture._needsUpload || texture._needsMipmaps) {
texture.upload();
}
});
}
setupTimeStampWrites(passDesc, name) {
if (this.gpuProfiler._enabled) {
if (this.gpuProfiler.timestampQueriesSet) {
const slot = this.gpuProfiler.getSlot(name);
passDesc = passDesc ?? {};
passDesc.timestampWrites = {
querySet: this.gpuProfiler.timestampQueriesSet.querySet,
beginningOfPassWriteIndex: slot * 2,
endOfPassWriteIndex: slot * 2 + 1
};
}
}
return passDesc;
}
startRenderPass(renderPass) {
this._uploadDirtyTextures();
const rt = renderPass.renderTarget || this.backBuffer;
this.renderTarget = rt;
const wrt = rt.impl;
if (rt !== this.backBuffer) {
this.initRenderTarget(rt);
}
wrt.setupForRenderPass(renderPass, rt);
const renderPassDesc = wrt.renderPassDescriptor;
this.setupTimeStampWrites(renderPassDesc, renderPass.name);
const commandEncoder = this.getCommandEncoder();
this.passEncoder = commandEncoder.beginRenderPass(renderPassDesc);
this.passEncoder.label = `${renderPass.name}-PassEncoder RT:${rt.name}`;
this.setupPassEncoderDefaults();
const { width, height } = rt;
this.setViewport(0, 0, width, height);
this.setScissor(0, 0, width, height);
this.insideRenderPass = true;
}
endRenderPass(renderPass) {
this.passEncoder.end();
this.passEncoder = null;
this.insideRenderPass = false;
this.bindGroupFormats.length = 0;
const target = this.renderTarget;
if (target) {
if (target.depthBuffer && renderPass.depthStencilOps.resolveDepth) {
if (renderPass.samples > 1 && target.autoResolve) {
const depthAttachment = target.impl.depthAttachment;
const destTexture = target.depthBuffer.impl.gpuTexture;
if (depthAttachment && destTexture) {
this.resolver.resolveDepth(this.commandEncoder, depthAttachment.multisampledDepthBuffer, destTexture);
}
}
}
}
for(let i = 0; i < renderPass.colorArrayOps.length; i++){
const colorOps = renderPass.colorArrayOps[i];
if (colorOps.genMipmaps) {
this.mipmapRenderer.generate(renderPass.renderTarget._colorBuffers[i].impl);
}
}
}
startComputePass(name) {
this.pipeline = null;
const computePassDesc = this.setupTimeStampWrites(undefined, name);
const commandEncoder = this.getCommandEncoder();
this.passEncoder = commandEncoder.beginComputePass(computePassDesc);
this.insideRenderPass = true;
}
endComputePass() {
this.passEncoder.end();
this.passEncoder = null;
this.insideRenderPass = false;
this.bindGroupFormats.length = 0;
}
computeDispatch(computes, name = 'Unnamed') {
this.startComputePass(name);
for(let i = 0; i < computes.length; i++){
const compute = computes[i];
compute.applyParameters();
compute.impl.updateBindGroup();
}
for(let i = 0; i < computes.length; i++){
const compute = computes[i];
compute.impl.dispatch(compute.countX, compute.countY, compute.countZ);
}
this.endComputePass();
}
getCommandEncoder() {
let commandEncoder = this.commandEncoder;
if (!commandEncoder) {
commandEncoder = this.wgpu.createCommandEncoder();
this.commandEncoder = commandEncoder;
}
return commandEncoder;
}
endCommandEncoder() {
const { commandEncoder } = this;
if (commandEncoder) {
const cb = commandEncoder.finish();
this.addCommandBuffer(cb);
this.commandEncoder = null;
}
}
addCommandBuffer(commandBuffer, front = false) {
if (front) {
this.commandBuffers.unshift(commandBuffer);
} else {
this.commandBuffers.push(commandBuffer);
}
}
submit() {
this.endCommandEncoder();
if (this.commandBuffers.length > 0) {
this.dynamicBuffers.submit();
this.wgpu.queue.submit(this.commandBuffers);
this.commandBuffers.length = 0;
this.dynamicBuffers.onCommandBuffersSubmitted();
}
}
clear(options) {
if (options.flags) {
this.clearRenderer.clear(this, this.renderTarget, options, this.defaultClearOptions);
}
}
setViewport(x, y, w, h) {
if (this.passEncoder) {
if (!this.renderTarget.flipY) {
y = this.renderTarget.height - y - h;
}
this.vx = x;
this.vy = y;
this.vw = w;
this.vh = h;
this.passEncoder.setViewport(x, y, w, h, 0, 1);
}
}
setScissor(x, y, w, h) {
if (this.passEncoder) {
if (!this.renderTarget.flipY) {
y = this.renderTarget.height - y - h;
}
this.sx = x;
this.sy = y;
this.sw = w;
this.sh = h;
this.passEncoder.setScissorRect(x, y, w, h);
}
}
clearStorageBuffer(storageBuffer, offset = 0, size = storageBuffer.byteSize) {
const commandEncoder = this.getCommandEncoder();
commandEncoder.clearBuffer(storageBuffer.buffer, offset, size);
}
readStorageBuffer(storageBuffer, offset = 0, size = storageBuffer.byteSize - offset, data = null, immediate = false) {
const stagingBuffer = this.createBufferImpl(BUFFERUSAGE_READ | BUFFERUSAGE_COPY_DST);
stagingBuffer.allocate(this, size);
const destBuffer = stagingBuffer.buffer;
const commandEncoder = this.getCommandEncoder();
commandEncoder.copyBufferToBuffer(storageBuffer.buffer, offset, destBuffer, 0, size);
return this.readBuffer(stagingBuffer, size, data, immediate);
}
readBuffer(stagingBuffer, size, data = null, immediate = false) {
const destBuffer = stagingBuffer.buffer;
return new Promise((resolve, reject)=>{
const read = ()=>{
destBuffer?.mapAsync(GPUMapMode.READ).then(()=>{
data ??= new Uint8Array(size);
const copySrc = destBuffer.getMappedRange(0, size);
const srcType = data.constructor;
data.set(new srcType(copySrc));
destBuffer.unmap();
stagingBuffer.destroy(this);
resolve(data);
});
};
if (immediate) {
this.submit();
read();
} else {
setTimeout(()=>{
read();
});
}
});
}
writeStorageBuffer(storageBuffer, bufferOffset = 0, data, dataOffset = 0, size) {
this.wgpu.queue.writeBuffer(storageBuffer.buffer, bufferOffset, data, dataOffset, size);
}
copyRenderTarget(source, dest, color, depth) {
const copySize = {
width: source ? source.width : dest.width,
height: source ? source.height : dest.height,
depthOrArrayLayers: 1
};
const commandEncoder = this.getCommandEncoder();
if (color) {
const copySrc = {
texture: source ? source.colorBuffer.impl.gpuTexture : this.backBuffer.impl.assignedColorTexture,
mipLevel: 0
};
const copyDst = {
texture: dest ? dest.colorBuffer.impl.gpuTexture : this.backBuffer.impl.assignedColorTexture,
mipLevel: 0
};
commandEncoder.copyTextureToTexture(copySrc, copyDst, copySize);
}
if (depth) {
const sourceRT = source ? source : this.renderTarget;
const sourceTexture = sourceRT.impl.depthAttachment.depthTexture;
if (source.samples > 1) {
const destTexture = dest.colorBuffer.impl.gpuTexture;
this.resolver.resolveDepth(commandEncoder, sourceTexture, destTexture);
} else {
const destTexture = dest ? dest.depthBuffer.impl.gpuTexture : this.renderTarget.impl.depthAttachment.depthTexture;
const copySrc = {
texture: sourceTexture,
mipLevel: 0
};
const copyDst = {
texture: destTexture,
mipLevel: 0
};
commandEncoder.copyTextureToTexture(copySrc, copyDst, copySize);
}
}
return true;
}
}
export { WebgpuGraphicsDevice };