/*
Copyright (C) 2003 Rice1964

This program 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; either version 2
of the License, or (at your option) any later version.

This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#ifndef _OGL_COMBINER_TNT2_H_
#define _OGL_COMBINER_TNT2_H_

#include "OGLExtCombiner.h"
#include "gl/gl.h"
#include "OGLDecodedMux.h"
#include "CNvTNTCombiner.h"

//========================================================================

class COGLColorCombinerTNT2 : public COGLColorCombiner4, CNvTNTCombiner
{
public:
	bool Initialize(void);
protected:
	friend class OGLDeviceBuilder;

	void InitCombinerCycle12(void);

	virtual void GenerateCombinerSetting(int);
	virtual void GenerateCombinerSettingConstants(int);
	
	COGLColorCombinerTNT2(CRender *pRender);
	~COGLColorCombinerTNT2() {} ;

	bool m_bTNT2Supported;		// Is this NV OGL extension combiner supported by the video card driver?

private:
	virtual GLint MapRGBArgs(uint8 arg);
	static GLint MapRGBArgFlags(uint8 arg);
	virtual GLint MapAlphaArgs(uint8 arg);
	static GLint MapAlphaArgFlags(uint8 arg);
	static GLint RGBArgsMap[];
	static const char* GetOpStr(GLenum op);

};



#endif
