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Auto merge of #25702 - szeged:wgpu_command_encoder, r=jdm

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Initial implementation of GPUCommandEncoder

<!-- Please describe your changes on the following line: -->
Added WebIDL bindings for `GPUCommandEncoder`, `GPUCommandBuffer`, `GPUComputePassEncoder` and `GPUProgrammablePassEncoder`.
Implemented the `beginComputePass`, `copyBufferToBuffer` and `finish` functions of `GPUCommandEncoder`.
Implemented the `createCommandEncoder` function of `GPUDevice`.
This pull request is based on: #25700

---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `___` with appropriate data: -->
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes addresses a part of #24706

cc @kvark @jdm @zakorgy
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This commit is contained in:
bors-servo 2020-02-12 08:51:41 -05:00 • committed by GitHub
commit 0790c856d5
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14 changed files with 443 additions and 13 deletions
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9
components/script/dom/webidls/GPUCommandBuffer.webidl Normal file
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
// https://gpuweb.github.io/gpuweb/#gpucommandbuffer
[Exposed=(Window, DedicatedWorker), Serializable, Pref="dom.webgpu.enabled"]
interface GPUCommandBuffer {
};
GPUCommandBuffer includes GPUObjectBase;

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components/script/dom/webidls/GPUCommandEncoder.webidl Normal file
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
// https://gpuweb.github.io/gpuweb/#gpucommandencoder
[Exposed=(Window, DedicatedWorker), Serializable, Pref="dom.webgpu.enabled"]
interface GPUCommandEncoder {
// GPURenderPassEncoder beginRenderPass(GPURenderPassDescriptor descriptor);
GPUComputePassEncoder beginComputePass(optional GPUComputePassDescriptor descriptor = {});
void copyBufferToBuffer(
GPUBuffer source,
GPUBufferSize sourceOffset,
GPUBuffer destination,
GPUBufferSize destinationOffset,
GPUBufferSize size);
// void copyBufferToTexture(
// GPUBufferCopyView source,
// GPUTextureCopyView destination,
// GPUExtent3D copySize);
// void copyTextureToBuffer(
// GPUTextureCopyView source,
// GPUBufferCopyView destination,
// GPUExtent3D copySize);
// void copyTextureToTexture(
// GPUTextureCopyView source,
// GPUTextureCopyView destination,
// GPUExtent3D copySize);
// void pushDebugGroup(DOMString groupLabel);
// void popDebugGroup();
// void insertDebugMarker(DOMString markerLabel);
GPUCommandBuffer finish(optional GPUCommandBufferDescriptor descriptor = {});
};
GPUCommandEncoder includes GPUObjectBase;
dictionary GPUComputePassDescriptor : GPUObjectDescriptorBase {
};
dictionary GPUCommandBufferDescriptor : GPUObjectDescriptorBase {
};

15
components/script/dom/webidls/GPUComputePassEncoder.webidl Normal file
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
// https://gpuweb.github.io/gpuweb/#gpucomputepassencoder
[Exposed=(Window, DedicatedWorker), Serializable, Pref="dom.webgpu.enabled"]
interface GPUComputePassEncoder {
// void setPipeline(GPUComputePipeline pipeline);
// void dispatch(unsigned long x, optional unsigned long y = 1, optional unsigned long z = 1);
// void dispatchIndirect(GPUBuffer indirectBuffer, GPUBufferSize indirectOffset);
// void endPass();
};
GPUComputePassEncoder includes GPUObjectBase;
GPUComputePassEncoder includes GPUProgrammablePassEncoder;

15
components/script/dom/webidls/GPUDevice.webidl
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@ -11,9 +11,9 @@ interface GPUDevice : EventTarget {
GPUBuffer createBuffer(GPUBufferDescriptor descriptor);
GPUMappedBuffer createBufferMapped(GPUBufferDescriptor descriptor);
//Promise<GPUMappedBuffer> createBufferMappedAsync(GPUBufferDescriptor descriptor);
//GPUTexture createTexture(GPUTextureDescriptor descriptor);
//GPUSampler createSampler(optional GPUSamplerDescriptor descriptor = {});
// Promise<GPUMappedBuffer> createBufferMappedAsync(GPUBufferDescriptor descriptor);
// GPUTexture createTexture(GPUTextureDescriptor descriptor);
// GPUSampler createSampler(optional GPUSamplerDescriptor descriptor = {});
GPUBindGroupLayout createBindGroupLayout(GPUBindGroupLayoutDescriptor descriptor);
GPUPipelineLayout createPipelineLayout(GPUPipelineLayoutDescriptor descriptor);
@ -21,11 +21,14 @@ interface GPUDevice : EventTarget {
GPUShaderModule createShaderModule(GPUShaderModuleDescriptor descriptor);
GPUComputePipeline createComputePipeline(GPUComputePipelineDescriptor descriptor);
/*GPURenderPipeline createRenderPipeline(GPURenderPipelineDescriptor descriptor);
// GPURenderPipeline createRenderPipeline(GPURenderPipelineDescriptor descriptor);
GPUCommandEncoder createCommandEncoder(optional GPUCommandEncoderDescriptor descriptor = {});
GPURenderBundleEncoder createRenderBundleEncoder(GPURenderBundleEncoderDescriptor descriptor);
// GPURenderBundleEncoder createRenderBundleEncoder(GPURenderBundleEncoderDescriptor descriptor);
GPUQueue getQueue();*/
// GPUQueue getQueue();
};
GPUDevice includes GPUObjectBase;
dictionary GPUCommandEncoderDescriptor : GPUObjectDescriptorBase {
};

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components/script/dom/webidls/GPUProgrammablePassEncoder.webidl Normal file
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
// https://gpuweb.github.io/gpuweb/#gpuprogrammablepassencoder
[Exposed=(Window, DedicatedWorker)]
interface mixin GPUProgrammablePassEncoder {
// void setBindGroup(unsigned long index, GPUBindGroup bindGroup,
// optional sequence<unsigned long> dynamicOffsets = []);
// void setBindGroup(unsigned long index, GPUBindGroup bindGroup,
// Uint32Array dynamicOffsetsData,
// unsigned long long dynamicOffsetsDataStart,
// unsigned long long dynamicOffsetsDataLength);
// void pushDebugGroup(DOMString groupLabel);
// void popDebugGroup();
// void insertDebugMarker(DOMString markerLabel);
};