/*

 * 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 <http://www.gnu.org/licenses/>.

 */

/** @file cocoa_ogl.h The Cocoa OpenGL video driver. */

#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 *anim_buffer; ///< Animation buffer from OpenGL back-end.

	const char *AllocateContext(bool allow_software);

public:

	VideoDriver_CocoaOpenGL() : gl_context(nullptr), anim_buffer(nullptr) {}

	const char *Start(const StringList &param) override;

	void Stop() override;

	bool HasEfficient8Bpp() const override { return true; }

	bool UseSystemCursor() override { return true; }

	void ClearSystemSprites() override;

	bool HasAnimBuffer() override { return true; }

	uint8 *GetAnimBuffer() override { return this->anim_buffer; }

	/** Return driver name */

	const char *GetName() const override { return "cocoa-opengl"; }

	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") {}

	Driver *CreateInstance() const override { return new VideoDriver_CocoaOpenGL(); }

};

#endif /* VIDEO_COCOA_OGL_H */