Support dynamic switching between integrated and discrete GPUs on Mac OS X.

content/common/gpu/gpu_command_buffer_stub.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_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_
 #define CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_
 #pragma once
 
 #if defined(ENABLE_GPU)
 
 #include <string>
 #include <vector>
 
 #include "base/id_map.h"
 #include "base/memory/weak_ptr.h"
 #include "base/task.h"
 #include "content/common/gpu/media/gpu_video_decode_accelerator.h"
+#include "gpu/command_buffer/common/constants.h"
 #include "gpu/command_buffer/service/command_buffer_service.h"
 #include "gpu/command_buffer/service/context_group.h"
 #include "gpu/command_buffer/service/gpu_scheduler.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_message.h"
 #include "ui/gfx/gl/gl_context.h"
 #include "ui/gfx/gl/gl_surface.h"
+#include "ui/gfx/gl/gpu_preference.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/size.h"
 #include "ui/gfx/surface/transport_dib.h"
 
 #if defined(OS_MACOSX)
 #include "ui/gfx/surface/accelerated_surface_mac.h"
 #endif
 
 class GpuChannel;
 class GpuWatchdog;
 
 class GpuCommandBufferStub
     : public IPC::Channel::Listener,
       public IPC::Message::Sender,
       public base::SupportsWeakPtr<GpuCommandBufferStub> {
  public:
   GpuCommandBufferStub(
       GpuChannel* channel,
       GpuCommandBufferStub* share_group,
       gfx::PluginWindowHandle handle,
       const gfx::Size& size,
       const gpu::gles2::DisallowedFeatures& disallowed_features,
       const std::string& allowed_extensions,
       const std::vector<int32>& attribs,
+      gfx::GpuPreference gpu_preference,
       int32 route_id,
       int32 renderer_id,
       int32 render_view_id,
       GpuWatchdog* watchdog,
       bool software);
 
   virtual ~GpuCommandBufferStub();
 
   // IPC::Channel::Listener implementation:
   virtual bool OnMessageReceived(const IPC::Message& message);
@@ skipping 12 matching lines @@
 
   // Identifies a particular renderer belonging to the same renderer process.
   int32 render_view_id() const { return render_view_id_; }
 
   // Identifies the various GpuCommandBufferStubs in the GPU process belonging
   // to the same renderer process.
   int32 route_id() const { return route_id_; }
 
   void ViewResized();
 
+  gfx::GpuPreference gpu_preference() { return gpu_preference_; }
+
  private:
   void Destroy();
 
   // Cleans up and sends reply if OnInitialize failed.
   void OnInitializeFailed(IPC::Message* reply_message);
 
   // Message handlers:
   void OnInitialize(base::SharedMemoryHandle ring_buffer,
                     int32 size,
                     IPC::Message* reply_message);
@@ skipping 42 matching lines @@
   GpuChannel* channel_;
 
   // The group of contexts that share namespaces with this context.
   scoped_refptr<gpu::gles2::ContextGroup> context_group_;
 
   gfx::PluginWindowHandle handle_;
   gfx::Size initial_size_;
   gpu::gles2::DisallowedFeatures disallowed_features_;
   std::string allowed_extensions_;
   std::vector<int32> requested_attribs_;
+  gfx::GpuPreference gpu_preference_;
   int32 route_id_;
   bool software_;
   uint32 last_flush_count_;
 
   // The following two fields are used on Mac OS X to identify the window
   // for the rendering results on the browser side.
   int32 renderer_id_;
   int32 render_view_id_;
 
   scoped_ptr<gpu::CommandBufferService> command_buffer_;
@@ skipping 14 matching lines @@
   IDMap<GpuVideoDecodeAccelerator, IDMapOwnPointer> video_decoders_;
 
   ScopedRunnableMethodFactory<GpuCommandBufferStub> task_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuCommandBufferStub);
 };
 
 #endif  // defined(ENABLE_GPU)
 
 #endif  // CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_