text: // Copyright 2013 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_IMAGE_SHM_H_
  #define UI_GL_GL_IMAGE_SHM_H_
  
  #include "base/memory/scoped_ptr.h"
  #include "ui/gl/gl_image.h"
  
  namespace gfx {
  
  class GL_EXPORT GLImageShm : public GLImage {
   public:
    GLImageShm(gfx::Size size, unsigned internalformat);
  
    bool Initialize(gfx::GpuMemoryBufferHandle buffer);
  
    // Overridden from GLImage:
    virtual void Destroy() OVERRIDE;
    virtual gfx::Size GetSize() OVERRIDE;
    virtual bool BindTexImage() OVERRIDE;
    virtual void ReleaseTexImage() OVERRIDE;
    virtual void WillUseTexImage() OVERRIDE;
    virtual void DidUseTexImage() OVERRIDE;
  
   protected:
    virtual ~GLImageShm();
  
   private:
    scoped_ptr<base::SharedMemory> shared_memory_;
    gfx::Size size_;
    unsigned internalformat_;
  
    DISALLOW_COPY_AND_ASSIGN(GLImageShm);
  };
  
  }  // namespace gfx
  
  #endif  // UI_GL_GL_IMAGE_SHM_H_
  