/*
 Copyright 2020-2021 Brad Parker

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

#ifndef __VIDEO_H_
#define __VIDEO_H_

#include <QObject>
#include <QRect>
#include "../core/libretro.h"

class QOpenGLContext;
class QOpenGLFramebufferObject;

class VideoState : public QObject {
  Q_OBJECT
public:
  VideoState(QObject *parent = nullptr);
  static VideoState* instance();
  QOpenGLContext* context();
  void setContext(QOpenGLContext *context);
  void setAspectCorrectedRect(QRect r);
  QRect aspectCorrectedRect();
  QOpenGLFramebufferObject* fbo();
  void setFBO(QOpenGLFramebufferObject *fbo);
  unsigned baseWidth();
  unsigned baseHeight();
  void setBaseWidth(unsigned width);
  void setBaseHeight(unsigned height);
  float aspect();
  void setAspect(float aspect);
  struct retro_system_av_info* avInfo();
  void setAvInfo(struct retro_system_av_info info);
private:
  QOpenGLContext *m_context;
  QRect m_aspectCorrectedRect;
  struct retro_system_av_info m_avInfo;
  unsigned m_baseWidth;
  unsigned m_baseHeight;
  float m_aspect;
  QOpenGLFramebufferObject *m_fbo;

  Q_DISABLE_COPY(VideoState)
};

#endif // __VIDEO_H_