Blender.h

/*
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 _BLENDER_H_
#define _BLENDER_H_

#include "typedefs.h"

class CRender;

class CBlender
{
public:
    virtual ~CBlender() {}
    
    virtual void InitBlenderMode(void);
    virtual void NormalAlphaBlender(void)=0;
    virtual void DisableAlphaBlender(void)=0;
    
    virtual void BlendFunc(uint32 srcFunc, uint32 desFunc)=0;

    virtual void Enable()=0;
    virtual void Disable()=0;
protected:
    CBlender(CRender *pRender) : m_pRender(pRender) {}
    CRender *m_pRender;
};

typedef enum _BLEND 
{
   BLEND_ZERO = 1,
     BLEND_ONE = 2,
     BLEND_SRCCOLOR = 3,
     BLEND_INVSRCCOLOR = 4,
     BLEND_SRCALPHA = 5,
     BLEND_INVSRCALPHA = 6,
     BLEND_DESTALPHA = 7,
     BLEND_INVDESTALPHA = 8,
     BLEND_DESTCOLOR = 9,
     BLEND_INVDESTCOLOR = 10,
     BLEND_SRCALPHASAT = 11,
     BLEND_BOTHSRCALPHA = 12,
     BLEND_BOTHINVSRCALPHA = 13,
     BLEND_BLENDFACTOR = 14,
     BLEND_INVBLENDFACTOR = 15,
     BLEND_FORCE_DWORD = 0x7fffffff
} BLEND;

#endif