cocoa_ogl.h

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/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <https://www.gnu.org/licenses/old-licenses/gpl-2.0>.
 */

 
#ifndef VIDEO_COCOA_OGL_H
#define VIDEO_COCOA_OGL_H
 
#include "cocoa_v.h"
 
@class OTTD_OpenGLView;
 
class VideoDriver_CocoaOpenGL : public VideoDriver_Cocoa {
  CGLContextObj gl_context;
 
  uint8_t *anim_buffer; 
  std::string driver_info; 
 
  std::optional<std::string_view> AllocateContext(bool allow_software);
 
public:
  VideoDriver_CocoaOpenGL() : VideoDriver_Cocoa(true), gl_context(nullptr), anim_buffer(nullptr), driver_info(this->GetName()) {}
 
  std::optional<std::string_view> Start(const StringList &param) override;
  void Stop() override;
 
  bool HasEfficient8Bpp() const override { return true; }
 
  bool UseSystemCursor() override { return true; }
 
  void ClearSystemSprites() override;
 
  void PopulateSystemSprites() override;
 
  bool HasAnimBuffer() override { return true; }
  uint8_t *GetAnimBuffer() override { return this->anim_buffer; }

  std::string_view GetName() const override { return "cocoa-opengl"; }
 
  std::string_view GetInfoString() const override { return this->driver_info; }
 
  void AllocateBackingStore(bool force = false) override;
 
protected:
  void Paint() override;
 
  void *GetVideoPointer() override;
  void ReleaseVideoPointer() override;
 
  NSView *AllocateDrawView() override;
};
 
class FVideoDriver_CocoaOpenGL : public DriverFactoryBase {
public:
  FVideoDriver_CocoaOpenGL() : DriverFactoryBase(Driver::DT_VIDEO, 9, "cocoa-opengl", "Cocoa OpenGL Video Driver") {}
  std::unique_ptr<Driver> CreateInstance() const override { return std::make_unique<VideoDriver_CocoaOpenGL>(); }
 
protected:
  bool UsesHardwareAcceleration() const override { return true; }
};
 
#endif /* VIDEO_COCOA_OGL_H */