/*
 *  Copyright (C) 2005-2018 Team Kodi
 *  This file is part of Kodi - https://kodi.tv
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 *  See LICENSES/README.md for more information.
 */

#pragma once

#include "WinSystemX11.h"
#include "rendering/gl/RenderSystemGL.h"
#include "windowing/X11/GLContext.h"

#include <memory>

#include "system_egl.h"

class CGLContext;
class CVideoReferenceClock;

namespace KODI
{
namespace WINDOWING
{
namespace X11
{

class CVaapiProxy;

class CWinSystemX11GLContext : public CWinSystemX11, public CRenderSystemGL
{
public:
  CWinSystemX11GLContext() = default;
  ~CWinSystemX11GLContext() override;

  static void Register();
  static std::unique_ptr<CWinSystemBase> CreateWinSystem();

  // Implementation of CWinSystem via CWinSystemX11
  CRenderSystemBase *GetRenderSystem() override { return this; }
  bool CreateNewWindow(const std::string& name, bool fullScreen, RESOLUTION_INFO& res) override;
  bool ResizeWindow(int newWidth, int newHeight, int newLeft, int newTop) override;
  void FinishWindowResize(int newWidth, int newHeight) override;
  bool SetFullScreen(bool fullScreen, RESOLUTION_INFO& res, bool blankOtherDisplays) override;
  bool DestroyWindowSystem() override;
  bool DestroyWindow() override;
  int GetBufferAge() override { return m_bufferAgeSupport ? m_pGLContext->GetBufferAge() : 2; }

  bool IsExtSupported(const char* extension) const override;

  // videosync
  std::unique_ptr<CVideoSync> GetVideoSync(CVideoReferenceClock* clock) override;
  float GetFrameLatencyAdjustment() override;
  uint64_t GetVblankTiming(uint64_t &msc, uint64_t &interval);

  XID GetWindow() const;
  void* GetGlxContext() const;
  EGLDisplay GetEGLDisplay() const;
  EGLSurface GetEGLSurface() const;
  EGLContext GetEGLContext() const;
  EGLConfig GetEGLConfig() const;

  bool BindTextureUploadContext() override;
  bool UnbindTextureUploadContext() override;
  bool HasContext() override;

protected:
  bool SetWindow(int width, int height, bool fullscreen, const std::string &output, int *winstate = NULL) override;
  void PresentRenderImpl(bool rendered) override;
  void SetVSyncImpl(bool enable) override;
  bool RefreshGLContext(bool force);
  XVisualInfo* GetVisual() override;

  CGLContext *m_pGLContext = nullptr;
  bool m_newGlContext;

  struct delete_CVaapiProxy
  {
    void operator()(CVaapiProxy *p) const;
  };
  std::unique_ptr<CVaapiProxy, delete_CVaapiProxy> m_vaapiProxy;

  bool m_bufferAgeSupport{false};
};

}
}
}
