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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 http://mozilla.org/MPL/2.0/. */
#ifndef GPU_CommandBuffer_H_
#define GPU_CommandBuffer_H_
#include "mozilla/WeakPtr.h"
#include "mozilla/webgpu/WebGPUTypes.h"
#include "nsWrapperCache.h"
#include "ObjectModel.h"
namespace mozilla::webgpu {
class CanvasContext;
class Device;
class CommandBuffer final : public ObjectBase, public ChildOf<Device> {
public:
GPU_DECL_CYCLE_COLLECTION(CommandBuffer)
GPU_DECL_JS_WRAP(CommandBuffer)
CommandBuffer(Device* const aParent, RawId aId,
nsTArray<WeakPtr<CanvasContext>>&& aPresentationContexts,
RefPtr<CommandEncoder>&& aEncoder);
Maybe<RawId> Commit();
private:
CommandBuffer() = delete;
~CommandBuffer();
void Cleanup();
const RawId mId;
const nsTArray<WeakPtr<CanvasContext>> mPresentationContexts;
// Command buffers and encoders share the same identity (this is a
// simplifcation currently made by wgpu). To avoid dropping the same ID twice,
// the wgpu resource lifetime is tied to the encoder which is held alive by
// the command buffer.
RefPtr<CommandEncoder> mEncoder;
};
} // namespace mozilla::webgpu
#endif // GPU_CommandBuffer_H_
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