Moved GPU related files in content/renderer into gpu subdirectory.

content/renderer/gpu_channel_host.h

-// Copyright (c) 2011 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_RENDERER_GPU_CHANNEL_HOST_H_
-#define CONTENT_RENDERER_GPU_CHANNEL_HOST_H_
-#pragma once
-
-#include <string>
-#include <vector>
-
-#include "base/hash_tables.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/process_util.h"
-#include "content/common/gpu/gpu_info.h"
-#include "content/common/message_router.h"
-#include "ipc/ipc_channel_handle.h"
-#include "ipc/ipc_sync_channel.h"
-#include "ui/gfx/native_widget_types.h"
-#include "ui/gfx/size.h"
-
-class CommandBufferProxy;
-class GpuSurfaceProxy;
-class GURL;
-class GpuVideoServiceHost;
-class TransportTextureService;
-
-// Encapsulates an IPC channel between the renderer and one plugin process.
-// On the plugin side there's a corresponding GpuChannel.
-class GpuChannelHost : public IPC::Channel::Listener,
-                       public IPC::Message::Sender,
-                       public base::RefCountedThreadSafe<GpuChannelHost> {
- public:
-  enum State {
-    // Not yet connected.
-    kUnconnected,
-    // Ready to use.
-    kConnected,
-    // An error caused the host to become disconnected. Recreate channel to
-    // reestablish connection.
-    kLost
-  };
-
-  // Called on the render thread
-  GpuChannelHost();
-  ~GpuChannelHost();
-
-  // Connect to GPU process channel.
-  void Connect(const IPC::ChannelHandle& channel_handle,
-               base::ProcessHandle renderer_process_for_gpu);
-
-  State state() const { return state_; }
-
-  // Change state to kLost.
-  void SetStateLost();
-
-  // The GPU stats reported by the GPU process.
-  void set_gpu_info(const GPUInfo& gpu_info);
-  const GPUInfo& gpu_info() const;
-
-  // IPC::Channel::Listener implementation:
-  virtual bool OnMessageReceived(const IPC::Message& msg);
-  virtual void OnChannelConnected(int32 peer_pid);
-  virtual void OnChannelError();
-
-  // IPC::Message::Sender implementation:
-  virtual bool Send(IPC::Message* msg);
-
-  // Create and connect to a command buffer in the GPU process.
-  CommandBufferProxy* CreateViewCommandBuffer(
-      gfx::PluginWindowHandle compositing_surface,
-      int render_view_id,
-      const std::string& allowed_extensions,
-      const std::vector<int32>& attribs,
-      const GURL& active_url);
-
-  // Create and connect to a command buffer in the GPU process.
-  CommandBufferProxy* CreateOffscreenCommandBuffer(
-      CommandBufferProxy* parent,
-      const gfx::Size& size,
-      const std::string& allowed_extensions,
-      const std::vector<int32>& attribs,
-      uint32 parent_texture_id,
-      const GURL& active_url);
-
-  // Destroy a command buffer created by this channel.
-  void DestroyCommandBuffer(CommandBufferProxy* command_buffer);
-
-  // Create a surface in the GPU process. Returns null on failure.
-  GpuSurfaceProxy* CreateOffscreenSurface(const gfx::Size& size);
-
-  // Destroy a surface in the GPU process.
-  void DestroySurface(GpuSurfaceProxy* surface);
-
-  GpuVideoServiceHost* gpu_video_service_host() {
-    return gpu_video_service_host_.get();
-  }
-
-  TransportTextureService* transport_texture_service() {
-    return transport_texture_service_.get();
-  }
-
- private:
-  State state_;
-
-  GPUInfo gpu_info_;
-
-  scoped_ptr<IPC::SyncChannel> channel_;
-
-  // Used to implement message routing functionality to CommandBufferProxy
-  // objects
-  MessageRouter router_;
-
-  // Keep track of all the registered CommandBufferProxies to
-  // inform about OnChannelError
-  typedef base::hash_map<int, IPC::Channel::Listener*> ProxyMap;
-  ProxyMap proxies_;
-
-  // This is a MessageFilter to intercept IPC messages and distribute them
-  // to the corresponding GpuVideoDecoderHost.
-  scoped_refptr<GpuVideoServiceHost> gpu_video_service_host_;
-
-  // This is a MessageFilter to intercept IPC messages related to transport
-  // textures. These messages are routed to TransportTextureHost.
-  scoped_refptr<TransportTextureService> transport_texture_service_;
-
-  DISALLOW_COPY_AND_ASSIGN(GpuChannelHost);
-};
-
-#endif  // CONTENT_RENDERER_GPU_CHANNEL_HOST_H_