Revert "gpu: Fix Vivante's "hisilicon" GPUs"

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 21 matching lines @@
   // 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;
 
   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();
 
   // Returns true if this surface is offscreen.
   virtual bool IsOffscreen() = 0;
 
   // Swaps front and back buffers. This has no effect for off-screen
   // contexts.
@@ skipping 43 matching lines @@
   // Get the platfrom specific configuration for this surface, if available.
   virtual void* GetConfig();
 
   // Get the GL pixel format of the surface, if available.
   virtual unsigned GetFormat();
 
   // Get access to a helper providing time of recent refresh and period
   // of screen refresh. If unavailable, returns NULL.
   virtual VSyncProvider* GetVSyncProvider();
 
-  // Certain surfaces need to be destroyed and recreated
-  // every time they are made the current surface.
-  virtual bool RecreateOnMakeCurrent();
-  virtual void SetRecreateOnMakeCurrent(bool recreate);
-
   // Create a GL surface that renders directly to a view.
   static scoped_refptr<GLSurface> CreateViewGLSurface(
       bool software,
       gfx::AcceleratedWidget window);
 
   // Create a GL surface used for offscreen rendering.
   static scoped_refptr<GLSurface> CreateOffscreenGLSurface(
       bool software,
       const gfx::Size& size);
 
@@ skipping 15 matching lines @@
 
 // Implementation of GLSurface that forwards all calls through to another
 // GLSurface.
 class GL_EXPORT GLSurfaceAdapter : public GLSurface {
  public:
   explicit GLSurfaceAdapter(GLSurface* surface);
 
   virtual bool Initialize() OVERRIDE;
   virtual void Destroy() OVERRIDE;
   virtual bool Resize(const gfx::Size& size) OVERRIDE;
-  virtual bool Recreate() OVERRIDE;
   virtual bool DeferDraws() OVERRIDE;
   virtual bool IsOffscreen() OVERRIDE;
   virtual bool SwapBuffers() OVERRIDE;
   virtual bool PostSubBuffer(int x, int y, int width, int height) OVERRIDE;
   virtual std::string GetExtensions() OVERRIDE;
   virtual gfx::Size GetSize() OVERRIDE;
   virtual void* GetHandle() OVERRIDE;
   virtual unsigned int GetBackingFrameBufferObject() OVERRIDE;
   virtual bool OnMakeCurrent(GLContext* context) OVERRIDE;
   virtual bool SetBackbufferAllocation(bool allocated) OVERRIDE;
   virtual void SetFrontbufferAllocation(bool allocated) OVERRIDE;
   virtual void* GetShareHandle() OVERRIDE;
   virtual void* GetDisplay() OVERRIDE;
   virtual void* GetConfig() OVERRIDE;
   virtual unsigned GetFormat() OVERRIDE;
   virtual VSyncProvider* GetVSyncProvider() OVERRIDE;
-  virtual bool RecreateOnMakeCurrent() OVERRIDE;
-  virtual void SetRecreateOnMakeCurrent(bool recreate) OVERRIDE;
 
   GLSurface* surface() const { return surface_.get(); }
 
  protected:
   virtual ~GLSurfaceAdapter();
 
  private:
   scoped_refptr<GLSurface> surface_;
 
   DISALLOW_COPY_AND_ASSIGN(GLSurfaceAdapter);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_SURFACE_H_