Move mus to //services/ui

components/mus/gpu/gpu_service_mus.h

-// Copyright 2016 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 COMPONENTS_MUS_GPU_GPU_SERVICE_MUS_H_
-#define COMPONENTS_MUS_GPU_GPU_SERVICE_MUS_H_
-
-#include "base/callback.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/threading/non_thread_safe.h"
-#include "base/threading/thread.h"
-#include "build/build_config.h"
-#include "gpu/command_buffer/service/gpu_preferences.h"
-#include "gpu/config/gpu_info.h"
-#include "gpu/ipc/client/gpu_channel_host.h"
-#include "gpu/ipc/common/surface_handle.h"
-#include "gpu/ipc/service/gpu_channel.h"
-#include "gpu/ipc/service/gpu_channel_manager.h"
-#include "gpu/ipc/service/gpu_channel_manager_delegate.h"
-#include "gpu/ipc/service/gpu_config.h"
-#include "gpu/ipc/service/x_util.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace base {
-template <typename T>
-struct DefaultSingletonTraits;
-}
-
-namespace IPC {
-struct ChannelHandle;
-}
-
-namespace gpu {
-class GpuChannelHost;
-class GpuMemoryBufferFactory;
-class SyncPointManager;
-}
-
-namespace media {
-class MediaService;
-}
-
-namespace mus {
-
-class MusGpuMemoryBufferManager;
-
-// TODO(fsamuel): GpuServiceMus is intended to be the Gpu thread within Mus.
-// Similar to GpuChildThread, it is a GpuChannelManagerDelegate and will have a
-// GpuChannelManager.
-class GpuServiceMus : public gpu::GpuChannelManagerDelegate,
-                      public gpu::GpuChannelHostFactory,
-                      public base::NonThreadSafe {
- public:
-  typedef base::Callback<void(int client_id, const IPC::ChannelHandle&)>
-      EstablishGpuChannelCallback;
-  void EstablishGpuChannel(uint64_t client_tracing_id,
-                           bool preempts,
-                           bool allow_view_command_buffers,
-                           bool allow_real_time_streams,
-                           const EstablishGpuChannelCallback& callback);
-  gfx::GpuMemoryBufferHandle CreateGpuMemoryBuffer(
-      gfx::GpuMemoryBufferId id,
-      const gfx::Size& size,
-      gfx::BufferFormat format,
-      gfx::BufferUsage usage,
-      int client_id,
-      gpu::SurfaceHandle surface_handle);
-  gfx::GpuMemoryBufferHandle CreateGpuMemoryBufferFromeHandle(
-      gfx::GpuMemoryBufferHandle buffer_handle,
-      gfx::GpuMemoryBufferId id,
-      const gfx::Size& size,
-      gfx::BufferFormat format,
-      int client_id);
-  void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id,
-                              int client_id,
-                              const gpu::SyncToken& sync_token);
-
-  gpu::GpuChannelManager* gpu_channel_manager() const {
-    return gpu_channel_manager_.get();
-  }
-
-  gpu::GpuMemoryBufferFactory* gpu_memory_buffer_factory() const {
-    return gpu_memory_buffer_factory_.get();
-  }
-
-  scoped_refptr<gpu::GpuChannelHost> gpu_channel_local() const {
-    return gpu_channel_local_;
-  }
-
-  const gpu::GPUInfo& gpu_info() const { return gpu_info_; }
-
-  // GpuChannelManagerDelegate overrides:
-  void DidCreateOffscreenContext(const GURL& active_url) override;
-  void DidDestroyChannel(int client_id) override;
-  void DidDestroyOffscreenContext(const GURL& active_url) override;
-  void DidLoseContext(bool offscreen,
-                      gpu::error::ContextLostReason reason,
-                      const GURL& active_url) override;
-  void GpuMemoryUmaStats(const gpu::GPUMemoryUmaStats& params) override;
-  void StoreShaderToDisk(int client_id,
-                         const std::string& key,
-                         const std::string& shader) override;
-#if defined(OS_WIN)
-  void SendAcceleratedSurfaceCreatedChildWindow(
-      gpu::SurfaceHandle parent_window,
-      gpu::SurfaceHandle child_window) override;
-#endif
-  void SetActiveURL(const GURL& url) override;
-
-  // GpuChannelHostFactory overrides:
-  bool IsMainThread() override;
-  scoped_refptr<base::SingleThreadTaskRunner> GetIOThreadTaskRunner() override;
-  std::unique_ptr<base::SharedMemory> AllocateSharedMemory(
-      size_t size) override;
-
-  static GpuServiceMus* GetInstance();
-
- private:
-  friend struct base::DefaultSingletonTraits<GpuServiceMus>;
-
-  GpuServiceMus();
-  ~GpuServiceMus() override;
-
-  void Initialize();
-  void InitializeOnGpuThread(IPC::ChannelHandle* channel_handle,
-                             base::WaitableEvent* event);
-  void EstablishGpuChannelOnGpuThread(int client_id,
-                                      uint64_t client_tracing_id,
-                                      bool preempts,
-                                      bool allow_view_command_buffers,
-                                      bool allow_real_time_streams,
-                                      IPC::ChannelHandle* channel_handle);
-
-  // The next client id.
-  int next_client_id_;
-
-  // The main thread task runner.
-  scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
-
-  // An event that will be signalled when we shutdown.
-  base::WaitableEvent shutdown_event_;
-
-  // The main thread for GpuService.
-  base::Thread gpu_thread_;
-
-  // The thread that handles IO events for GpuService.
-  base::Thread io_thread_;
-
-  std::unique_ptr<gpu::SyncPointManager> owned_sync_point_manager_;
-
-  std::unique_ptr<gpu::GpuChannelManager> gpu_channel_manager_;
-
-  std::unique_ptr<media::MediaService> media_service_;
-
-  std::unique_ptr<gpu::GpuMemoryBufferFactory> gpu_memory_buffer_factory_;
-
-  // A GPU memory buffer manager used locally.
-  std::unique_ptr<MusGpuMemoryBufferManager> gpu_memory_buffer_manager_local_;
-
-  // A GPU channel used locally.
-  scoped_refptr<gpu::GpuChannelHost> gpu_channel_local_;
-
-  gpu::GpuPreferences gpu_preferences_;
-
-  // Information about the GPU, such as device and vendor ID.
-  gpu::GPUInfo gpu_info_;
-
-  DISALLOW_COPY_AND_ASSIGN(GpuServiceMus);
-};
-
-}  // namespace mus
-
-#endif  // COMPONENTS_MUS_GPU_GPU_SERVICE_MUS_H_