forked from mirrors/gecko-dev
3021defc28
This change adds support for CanvasContext presenting WebGPU via CPU readback. The presentation is handled mostly on GPU process side by managing a list of staging buffers and copying the contents into a WR external image (backed by an external buffer). Differential Revision: https://phabricator.services.mozilla.com/D68032 --HG-- extra : moz-landing-system : lando
52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GPU_INSTANCE_H_
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#define GPU_INSTANCE_H_
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#include "mozilla/AlreadyAddRefed.h"
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#include "mozilla/RefPtr.h"
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#include "nsCOMPtr.h"
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#include "ObjectModel.h"
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namespace mozilla {
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namespace dom {
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class Promise;
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struct GPURequestAdapterOptions;
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} // namespace dom
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namespace webgpu {
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class Adapter;
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class GPUAdapter;
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class WebGPUChild;
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class Instance final : public nsWrapperCache {
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public:
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GPU_DECL_CYCLE_COLLECTION(Instance)
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GPU_DECL_JS_WRAP(Instance)
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nsIGlobalObject* GetParentObject() const { return mOwner; }
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static already_AddRefed<Instance> Create(nsIGlobalObject* aOwner);
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already_AddRefed<dom::Promise> RequestAdapter(
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const dom::GPURequestAdapterOptions& aOptions, ErrorResult& aRv);
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RefPtr<WebGPUChild> mBridge;
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private:
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explicit Instance(nsIGlobalObject* aOwner, WebGPUChild* aBridge);
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virtual ~Instance();
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void Cleanup();
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nsCOMPtr<nsIGlobalObject> mOwner;
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public:
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};
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} // namespace webgpu
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} // namespace mozilla
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#endif // GPU_INSTANCE_H_
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