ui/ozone/platform/dri/gbm_surfaceless.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_OZONE_PLATFORM_DRI_GBM_SURFACELESS_H_
#define UI_OZONE_PLATFORM_DRI_GBM_SURFACELESS_H_

#include "ui/ozone/public/surface_ozone_egl.h"

namespace gfx {
class Size;
}  // namespace gfx

namespace ui {

class DriWindowDelegate;

// In surfaceless mode drawing and displaying happens directly through
// NativePixmap buffers. CC would call into SurfaceFactoryOzone to allocate the
// buffers and then call ScheduleOverlayPlane(..) to schedule the buffer for
// presentation.
class GbmSurfaceless : public SurfaceOzoneEGL {
 public:
  GbmSurfaceless(DriWindowDelegate* window_delegate);
  virtual ~GbmSurfaceless();

  // SurfaceOzoneEGL:
  virtual intptr_t GetNativeWindow() override;
  virtual bool ResizeNativeWindow(const gfx::Size& viewport_size) override;
  virtual bool OnSwapBuffers() override;
  virtual scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider() override;

 protected:
  DriWindowDelegate* window_delegate_;

  DISALLOW_COPY_AND_ASSIGN(GbmSurfaceless);
};

}  // namespace ui

#endif  // UI_OZONE_PLATFORM_DRI_GBM_SURFACELESS_H_