File: gpu_memory_buffer_manager.h

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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_MANAGER_H_
#define GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_MANAGER_H_

#include "base/functional/callback_forward.h"
#include "base/observer_list.h"
#include "base/observer_list_types.h"
#include "base/threading/platform_thread.h"
#include "gpu/command_buffer/client/gpu_command_buffer_client_export.h"
#include "gpu/ipc/common/surface_handle.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/gpu_memory_buffer_handle.h"

namespace gpu {

class GPU_COMMAND_BUFFER_CLIENT_EXPORT GpuMemoryBufferManager {
 public:
  GpuMemoryBufferManager();
  virtual ~GpuMemoryBufferManager();

  // Copies pixel data of GMB to the provided shared memory region.
  virtual void CopyGpuMemoryBufferAsync(
      gfx::GpuMemoryBufferHandle buffer_handle,
      base::UnsafeSharedMemoryRegion memory_region,
      base::OnceCallback<void(bool)> callback);
};

}  // namespace gpu

#endif  // GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_MANAGER_H_