Force GPU switch with CGLSetVirtualScreen only for compositor

gpu/command_buffer/service/gles2_cmd_decoder.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder.cc b/gpu/command_buffer/service/gles2_cmd_decoder.cc
index d72d5d241ee6ad18d6d046139476dea4fe4301fa..8a0641f6f836cd29c4d42ad007ea8640006aa947 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.cc
@@ -58,6 +58,9 @@
 #include "gpu/command_buffer/service/vertex_array_manager.h"
 #include "ui/gl/async_pixel_transfer_delegate.h"
 #include "ui/gl/gl_bindings.h"
+#if defined(OS_MACOSX)

[jbauman, 2013/04/06 01:52:02]

Put this at the end of the list (with a blank line separating it from the
previous includes).

[ccameron, 2013/04/08 17:25:14]

Done. There were lots of instances of this in the #include list, I've merged
them at the bottom.

+#include "ui/gl/gl_context_cgl.h"
+#endif
 #include "ui/gl/gl_image.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_surface.h"
@@ -2573,6 +2576,11 @@ bool GLES2DecoderImpl::Initialize(
     glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN, GL_LOWER_LEFT);
   }
 
+#if defined(OS_MACOSX)
+  if (feature_info_->workarounds().force_cgl_set_virtual_screen)
+    gfx::GLContextCGL::ForceCGLSetVirtualScreen();
+#endif
+
   // Create a delegate to perform async pixel transfers.
   async_pixel_transfer_delegate_ =
       gfx::AsyncPixelTransferDelegate::Create(context.get());