Added support for opening a GPU command buffer from a renderer processes through a GPU channel.

Probably only works in windows only so far.
TEST=none
BUG=none

Review URL: http://codereview.chromium.org/657046

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@40783 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 15 insertions, 0 deletions

diff --git a/chrome/browser/renderer_host/backing_store.h b/chrome/browser/renderer_host/backing_store.h
index a60adc2..b32a0e2 100644
--- a/chrome/browser/renderer_host/backing_store.h
+++ b/chrome/browser/renderer_host/backing_store.h
@@ -8,6 +8,7 @@
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/gfx/rect.h"
 #include "base/gfx/size.h"
 #include "base/process.h"
 #include "chrome/common/transport_dib.h"
diff --git a/chrome/browser/renderer_host/render_widget_host.cc b/chrome/browser/renderer_host/render_widget_host.cc
index 44a36bd..2bee3e6 100644
--- a/chrome/browser/renderer_host/render_widget_host.cc
+++ b/chrome/browser/renderer_host/render_widget_host.cc
@@ -8,6 +8,7 @@
 #include "base/histogram.h"
 #include "base/keyboard_codes.h"
 #include "base/message_loop.h"
+#include "chrome/browser/gpu_process_host.h"
 #include "chrome/browser/renderer_host/backing_store.h"
 #include "chrome/browser/renderer_host/backing_store_manager.h"
 #include "chrome/browser/renderer_host/render_process_host.h"
@@ -15,6 +16,7 @@
 #include "chrome/browser/renderer_host/render_widget_host_painting_observer.h"
 #include "chrome/browser/renderer_host/render_widget_host_view.h"
 #include "chrome/browser/renderer_host/video_layer.h"
+#include "chrome/common/gpu_messages.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/render_messages.h"
 #include "webkit/glue/webcursor.h"
@@ -137,6 +139,8 @@ void RenderWidgetHost::OnMessageReceived(const IPC::Message &msg) {
     IPC_MESSAGE_HANDLER(ViewHostMsg_FocusedNodeChanged, OnMsgFocusedNodeChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetCursor, OnMsgSetCursor)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ImeUpdateStatus, OnMsgImeUpdateStatus)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_EstablishGpuChannel,
+        OnMsgEstablishGpuChannel)
 #if defined(OS_LINUX)
     IPC_MESSAGE_HANDLER(ViewHostMsg_CreatePluginContainer,
                         OnMsgCreatePluginContainer)
@@ -861,6 +865,10 @@ void RenderWidgetHost::OnMsgImeUpdateStatus(int control,
   }
 }
 
+void RenderWidgetHost::OnMsgEstablishGpuChannel() {
+  GpuProcessHost::Get()->EstablishGpuChannel(process_->id(), routing_id_);
+}
+
 #if defined(OS_LINUX)
 
 void RenderWidgetHost::OnMsgCreatePluginContainer(gfx::PluginWindowHandle id) {
diff --git a/chrome/browser/renderer_host/render_widget_host.h b/chrome/browser/renderer_host/render_widget_host.h
index f1b402e..a3fdfdf 100644
--- a/chrome/browser/renderer_host/render_widget_host.h
+++ b/chrome/browser/renderer_host/render_widget_host.h
@@ -13,6 +13,7 @@
 #include "base/scoped_ptr.h"
 #include "base/string16.h"
 #include "base/timer.h"
+#include "ipc/ipc_channel_handle.h"
 #include "chrome/common/edit_command.h"
 #include "chrome/common/native_web_keyboard_event.h"
 #include "chrome/common/property_bag.h"
@@ -443,6 +444,11 @@ class RenderWidgetHost : public IPC::Channel::Listener,
   // Using int instead of ViewHostMsg_ImeControl for control's type to avoid
   // having to bring in render_messages.h in a header file.
   void OnMsgImeUpdateStatus(int control, const gfx::Rect& caret_rect);
+
+  // Renderer process is requesting that the browser process establish a GPU
+  // channel.
+  void OnMsgEstablishGpuChannel();
+
 #if defined(OS_LINUX)
   void OnMsgCreatePluginContainer(gfx::PluginWindowHandle id);
   void OnMsgDestroyPluginContainer(gfx::PluginWindowHandle id);