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      1 
      2 /*
      3  * Copyright 2011 Google Inc.
      4  *
      5  * Use of this source code is governed by a BSD-style license that can be
      6  * found in the LICENSE file.
      7  */
      8 #ifndef SkNullGLContext_DEFINED
      9 #define SkNullGLContext_DEFINED
     10 
     11 #include "SkGLContextHelper.h"
     12 
     13 class SkNullGLContext : public SkGLContextHelper {
     14 
     15 public:
     16     SkNullGLContext() {};
     17 
     18     virtual void makeCurrent() const SK_OVERRIDE {};
     19 
     20     virtual void swapBuffers() const SK_OVERRIDE {};
     21 
     22 protected:
     23     virtual const GrGLInterface* createGLContext() SK_OVERRIDE;
     24 
     25     virtual void destroyGLContext() SK_OVERRIDE {};
     26 };
     27 
     28 #endif
     29