content/browser/gpu/gpu_memory_buffer_factory_host_impl.h

// Copyright (c) 2014 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 CONTENT_BROWSER_GPU_GPU_MEMORY_BUFFER_FACTORY_HOST_IMPL_H_
#define CONTENT_BROWSER_GPU_GPU_MEMORY_BUFFER_FACTORY_HOST_IMPL_H_

#include <map>

#include "content/common/gpu/client/gpu_memory_buffer_factory_host.h"

namespace content {

class CONTENT_EXPORT GpuMemoryBufferFactoryHostImpl
    : public GpuMemoryBufferFactoryHost {
 public:
  GpuMemoryBufferFactoryHostImpl();
  ~GpuMemoryBufferFactoryHostImpl() override;

  // Overridden from GpuMemoryBufferFactoryHost:
  void CreateGpuMemoryBuffer(
      gfx::GpuMemoryBufferType type,
      gfx::GpuMemoryBufferId id,
      const gfx::Size& size,
      gfx::GpuMemoryBuffer::Format format,
      gfx::GpuMemoryBuffer::Usage usage,
      int client_id,
      const CreateGpuMemoryBufferCallback& callback) override;
  void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferType type,
                              gfx::GpuMemoryBufferId id,
                              int client_id,
                              int32 sync_point) override;

  void set_gpu_host_id(int gpu_host_id) { gpu_host_id_ = gpu_host_id; }

 private:
  void DestroyGpuMemoryBufferOnIO(gfx::GpuMemoryBufferType type,
                                  gfx::GpuMemoryBufferId id,
                                  int client_id,
                                  int32 sync_point);
  void OnGpuMemoryBufferCreated(uint32 request_id,
                                const gfx::GpuMemoryBufferHandle& handle);

  int gpu_host_id_;
  uint32 next_create_gpu_memory_buffer_request_id_;
  typedef std::map<uint32, CreateGpuMemoryBufferCallback>
      CreateGpuMemoryBufferCallbackMap;
  CreateGpuMemoryBufferCallbackMap create_gpu_memory_buffer_requests_;

  DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferFactoryHostImpl);
};

}  // namespace content

#endif  // CONTENT_BROWSER_GPU_GPU_MEMORY_BUFFER_FACTORY_HOST_IMPL_H_