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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef UI_GL_GL_CONTEXT_NSVIEW_H_
      6 #define UI_GL_GL_CONTEXT_NSVIEW_H_
      7 
      8 #import <AppKit/NSOpenGL.h>
      9 
     10 #include "base/compiler_specific.h"
     11 #include "base/mac/scoped_nsobject.h"
     12 #include "ui/gl/gl_context.h"
     13 
     14 namespace gfx {
     15 
     16 class GLSurface;
     17 
     18 // GLContextNSView encapsulates an NSView-based GLContext.  This is paired with
     19 // the GLSurfaceNSView class.
     20 class GLContextNSView : public GLContextReal {
     21  public:
     22   explicit GLContextNSView(GLShareGroup* group);
     23   virtual ~GLContextNSView();
     24 
     25   // GLContext:
     26   virtual bool Initialize(GLSurface* surface,
     27                           GpuPreference gpu_preference) OVERRIDE;
     28   virtual void Destroy() OVERRIDE;
     29   virtual bool MakeCurrent(GLSurface* surface) OVERRIDE;
     30   virtual void ReleaseCurrent(GLSurface* surface) OVERRIDE;
     31   virtual bool IsCurrent(GLSurface* surface) OVERRIDE;
     32   virtual void* GetHandle() OVERRIDE;
     33   virtual void SetSwapInterval(int interval) OVERRIDE;
     34 
     35   // Flush the |context_|.  Swaps buffers.
     36   void FlushBuffer();
     37 
     38  private:
     39   base::scoped_nsobject<NSOpenGLContext> context_;
     40   GpuPreference gpu_preference_;
     41 
     42   DISALLOW_COPY_AND_ASSIGN(GLContextNSView);
     43 };
     44 
     45 }  // namespace gfx
     46 
     47 #endif  // UI_GL_GL_CONTEXT_NSVIEW_H_
     48