ui/gl/gl_surface_overlay.h

// Copyright 2015 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_OVERLAY_H_
#define UI_GL_GL_SURFACE_OVERLAY_H_

#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/overlay_transform.h"
#include "ui/gl/gl_image.h"

namespace gfx {

// For saving the properties of a GLImage overlay plane and scheduling it later.
class GLSurfaceOverlay {
 public:
  GLSurfaceOverlay(int z_order,
                   OverlayTransform transform,
                   gl::GLImage* image,
                   const Rect& bounds_rect,
                   const RectF& crop_rect);
  ~GLSurfaceOverlay();

  // Schedule the image as an overlay plane to be shown at swap time for
  // |widget|.
  bool ScheduleOverlayPlane(AcceleratedWidget widget) const;

 private:
  int z_order_;
  OverlayTransform transform_;
  scoped_refptr<gl::GLImage> image_;
  Rect bounds_rect_;
  RectF crop_rect_;
};

}  // namespace gfx

#endif  // UI_GL_GL_SURFACE_OVERLAY_H_