Infrastructure for temportarily relinquishing GPU resources.

ui/gl/gl_surface.h

 // Copyright (c) 2012 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 UI_GL_GL_SURFACE_H_
 #define UI_GL_GL_SURFACE_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 20 matching lines @@
 
   // (Re)create the surface. TODO(apatrick): This is an ugly hack to allow the
   // EGL surface associated to be recreated without destroying the associated
   // context. The implementation of this function for other GLSurface derived
   // classes is in a pending changelist.
   virtual bool Initialize();
 
   // Destroys the surface.
   virtual void Destroy() = 0;
 
+  // Destroys the surface and Terminates its underlying display. This must be

[dcheng, 2014/11/21 03:06:04]

terminates.

[GusFernandez, 2014/11/21 19:13:56]

Done.

+  // the last surface which uses the display.
+  virtual void DestroyAndTerminateDisplay();
+
   virtual bool Resize(const gfx::Size& size);
 
   // Recreate the surface without changing the size.
   virtual bool Recreate();
 
   // Unschedule the GpuScheduler and return true to abort the processing of
   // a GL draw call to this surface and defer it until the GpuScheduler is
   // rescheduled.
   virtual bool DeferDraws();
 
@@ skipping 143 matching lines @@
 
  private:
   scoped_refptr<GLSurface> surface_;
 
   DISALLOW_COPY_AND_ASSIGN(GLSurfaceAdapter);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_SURFACE_H_