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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_GPU_DAWN_CONTROL_CLIENT_HOLDER_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_GPU_DAWN_CONTROL_CLIENT_HOLDER_H_
#include <dawn/dawn.h>
#include "third_party/blink/public/platform/web_graphics_context_3d_provider.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/ref_counted.h"
namespace gpu {
namespace webgpu {
class WebGPUInterface;
} // namespace webgpu
} // namespace gpu
namespace blink {
// This class holds the WebGPUInterface and a |destroyed_| flag.
// DawnControlClientHolder::MarkDestroyed() should be called if the
// backing WebGPUInterface has been destroyed.
class PLATFORM_EXPORT DawnControlClientHolder
: public RefCounted<DawnControlClientHolder> {
public:
DawnControlClientHolder(
std::unique_ptr<WebGraphicsContext3DProvider> context_provider);
void MarkDestroyed();
bool IsDestroyed() const;
WebGraphicsContext3DProvider* GetContextProvider() const;
gpu::webgpu::WebGPUInterface* GetInterface() const;
const DawnProcTable& GetProcs() const;
private:
friend class RefCounted<DawnControlClientHolder>;
~DawnControlClientHolder() = default;
std::unique_ptr<WebGraphicsContext3DProvider> context_provider_;
gpu::webgpu::WebGPUInterface* interface_;
bool destroyed_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_GPU_DAWN_CONTROL_CLIENT_HOLDER_H_
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