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Auto merge of #25526 - szeged:bind_group_wgpu, r=jdm

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Initial implementation of GPUBindGroupLayout for WebGPU

Added WebIDL bindings for `GPUBindGroupLayout`, `GPUBindGroupLayoutDescriptor`, `GPUBindingType`, `GPUShaderStage` and `GPUBindGroupLayoutBinding` (Note: The servo's codegen doesn't like the name, because its already occupied).
Implemented the `createBindGroupLayout` function of `GPUDevice`.

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---
<!-- 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 2020-01-16 13:36:10 -05:00 • committed by GitHub
commit 90b0a7fcc5
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13 changed files with 397 additions and 11 deletions
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34
components/script/dom/webidls/GPUBindGroupLayout.webidl Normal file
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@ -0,0 +1,34 @@
/* 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/#gpubindgrouplayout
[Exposed=(Window, DedicatedWorker), Serializable, Pref="dom.webgpu.enabled"]
interface GPUBindGroupLayout {
};
GPUBindGroupLayout includes GPUObjectBase;
dictionary GPUBindGroupLayoutDescriptor : GPUObjectDescriptorBase {
required sequence<GPUBindGroupLayoutBindings> bindings;
};
// Note: Servo codegen doesn't like the name `GPUBindGroupLayoutBinding` because it's already occupied
// dictionary GPUBindGroupLayoutBinding {
dictionary GPUBindGroupLayoutBindings {
required unsigned long binding;
required GPUShaderStageFlags visibility;
required GPUBindingType type;
//GPUTextureViewDimension textureDimension = "2d";
//GPUTextureComponentType textureComponentType = "float";
boolean multisampled = false;
boolean hasDynamicOffset = false;
};
enum GPUBindingType {
"uniform-buffer",
"storage-buffer",
"readonly-storage-buffer",
"sampler",
"sampled-texture",
"storage-texture"
};

8
components/script/dom/webidls/GPUDevice.webidl
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@ -11,12 +11,12 @@ 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);
/*GPUPipelineLayout createPipelineLayout(GPUPipelineLayoutDescriptor descriptor);
GPUBindGroup createBindGroup(GPUBindGroupDescriptor descriptor);
GPUShaderModule createShaderModule(GPUShaderModuleDescriptor descriptor);

13
components/script/dom/webidls/GPUShaderStage.webidl Normal file
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@ -0,0 +1,13 @@
/* 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/#typedefdef-gpushaderstageflags
[Exposed=(Window, DedicatedWorker), Serializable, Pref="dom.webgpu.enabled"]
interface GPUShaderStage {
const GPUShaderStageFlags VERTEX = 0x1;
const GPUShaderStageFlags FRAGMENT = 0x2;
const GPUShaderStageFlags COMPUTE = 0x4;
};
typedef unsigned long GPUShaderStageFlags;