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Implement mapReadAsync function of GPUBuffer

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Implemented the `mapReadAsync` and fixed the `unmap` functions of `GPUBuffer`.
Added `mapped` internal slot for tracking the ArrayBuffer/Promise.
Added more states to the `GPUBufferState` enum.
This commit is contained in:
Istvan Miklos 2020-02-11 22:35:11 +01:00
parent 92f5b36f49
commit 2df4d9fce4
5 changed files with 253 additions and 62 deletions
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2
components/script/dom/webidls/GPUBuffer.webidl
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@ -5,7 +5,7 @@
// https://gpuweb.github.io/gpuweb/#gpubuffer
[Exposed=(Window, DedicatedWorker), Serializable, Pref="dom.webgpu.enabled"]
interface GPUBuffer {
// Promise<ArrayBuffer> mapReadAsync();
Promise<ArrayBuffer> mapReadAsync();
// Promise<ArrayBuffer> mapWriteAsync();
void unmap();