clear.h

/*    Copyright (C) 2000,2001,2002  Sony Computer Entertainment America
 
          This file is subject to the terms and conditions of the GNU Lesser
      General Public License Version 2.1. See the file "COPYING" in the
      main directory of this archive for more details.                             */
 
#ifndef ps2gl_clear_h
#define ps2gl_clear_h
 
#include "GL/gl.h"
 
#include "ps2s/drawenv.h"
 
#include "ps2s/sprite.h"
 
class CVifSCDmaPacket;
 
/********************************************
 * class def
 */
 
class CClearEnv {
 
    GS::CDrawEnv* pDrawEnv;
    CSprite* pSprite;
 
public:
    CClearEnv();
    ~CClearEnv();
 
    void SetDimensions(int width, int height);
    void SetFrameBufPsm(GS::tPSM psm);
    void SetDepthBufPsm(GS::tPSM psm);
    void SetFrameBufAddr(unsigned int gsWordAddr)
    {
        pDrawEnv->SetFrameBufferAddr(gsWordAddr);
    }
    void SetDepthBufAddr(unsigned int gsWordAddr)
    {
        pDrawEnv->SetDepthBufferAddr(gsWordAddr);
    }
 
    void SetClearColor(float r, float g, float b, float a)
    {
        pSprite->SetColor((unsigned int)(255.0f * r),
            (unsigned int)(255.0f * g),
            (unsigned int)(255.0f * b),
            (unsigned int)(255.0f * a));
    }
 
    void SetClearDepth(float depth)
    {
        pSprite->SetDepth(Core::FToI4(depth));
    }
 
    void ClearBuffers(unsigned int bitMask);
};
 
#endif // ps2gl_clear_h