ui/gl/gl_image_android_native_buffer.h

// Copyright 2014 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_ANDROID_NATIVE_BUFFER_H_
#define UI_GL_GL_IMAGE_ANDROID_NATIVE_BUFFER_H_

#include "ui/gl/gl_image_egl.h"

namespace gfx {

class GL_EXPORT GLImageAndroidNativeBuffer : public GLImageEGL {
 public:
  explicit GLImageAndroidNativeBuffer(const gfx::Size& size);

  bool Initialize(EGLClientBuffer native_buffer);

  // Overridden from GLImage:
  virtual void Destroy(bool have_context) OVERRIDE;
  virtual bool BindTexImage(unsigned target) OVERRIDE;
  virtual void WillUseTexImage() OVERRIDE;
  virtual void DidUseTexImage() OVERRIDE;
  virtual void SetReleaseAfterUse() OVERRIDE;
  virtual bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
                                    int z_order,
                                    OverlayTransform transform,
                                    const Rect& bounds_rect,
                                    const RectF& crop_rect) OVERRIDE;

 protected:
  virtual ~GLImageAndroidNativeBuffer();

 private:
  bool release_after_use_;
  bool in_use_;
  unsigned target_;
  EGLImageKHR egl_image_for_unbind_;
  GLuint texture_id_for_unbind_;

  DISALLOW_COPY_AND_ASSIGN(GLImageAndroidNativeBuffer);
};

}  // namespace gfx

#endif  // UI_GL_GL_IMAGE_ANDROID_NATIVE_BUFFER_H_