Calling OpenGL from the renderer process.

chrome/gpu/gpu_thread.h

 // Copyright (c) 2010 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 CHROME_GPU_GPU_THREAD_H_
 #define CHROME_GPU_GPU_THREAD_H_
 
 #include "base/basictypes.h"
 #include "base/scoped_ptr.h"
 #include "build/build_config.h"
 #include "chrome/common/child_thread.h"
 #include "chrome/common/gpu_native_window_handle.h"
+#include "chrome/gpu/gpu_channel.h"
 #include "chrome/gpu/gpu_config.h"
 #include "chrome/gpu/x_util.h"
 #include "gfx/native_widget_types.h"
 
 #if defined(GPU_USE_GLX)
 class GpuBackingStoreGLXContext;
 #endif
 
 class GpuThread : public ChildThread {
  public:
   GpuThread();
   ~GpuThread();
 
 #if defined(GPU_USE_GLX)
   GpuBackingStoreGLXContext* GetGLXContext();
 
   Display* display() const { return display_; }
 #endif
 
  private:
   // ChildThread overrides.
   virtual void OnControlMessageReceived(const IPC::Message& msg);
 
   // Message handlers.
   void OnEstablishChannel(int renderer_id);
   void OnNewRenderWidgetHostView(GpuNativeWindowHandle parent_window,
                                  int32 routing_id);
 
+  typedef base::hash_map<int, scoped_refptr<GpuChannel> > GpuChannelMap;
+  GpuChannelMap gpu_channels_;
+
 #if defined(GPU_USE_GLX)
   Display* display_;
   scoped_ptr<GpuBackingStoreGLXContext> glx_context_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(GpuThread);
 };
 
 #endif  // CHROME_GPU_GPU_THREAD_H_