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clear.h

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00001 /*        Copyright (C) 2000,2001,2002  Sony Computer Entertainment America
00002           
00003           This file is subject to the terms and conditions of the GNU Lesser
00004           General Public License Version 2.1. See the file "COPYING" in the
00005           main directory of this archive for more details.                             */
00006 
00007 #ifndef ps2gl_clear_h
00008 #define ps2gl_clear_h
00009 
00010 #include "GL/gl.h"
00011 
00012 #include "ps2s/drawenv.h"
00013 
00014 #include "ps2s/sprite.h"
00015 
00016 class CVifSCDmaPacket;
00017 
00018 /********************************************
00019  * class def
00020  */
00021 
00022 class CClearEnv {
00023 
00024       GS::CDrawEnv      *pDrawEnv;
00025       CSprite           *pSprite;
00026 
00027    public:
00028       CClearEnv();
00029       ~CClearEnv();
00030 
00031       void SetDimensions( int width, int height );
00032       void SetFrameBufPsm( GS::tPSM psm );
00033       void SetDepthBufPsm( GS::tPSM psm );
00034       void SetFrameBufAddr( unsigned int gsWordAddr ) {
00035          pDrawEnv->SetFrameBufferAddr( gsWordAddr );
00036       }
00037       void SetDepthBufAddr( unsigned int gsWordAddr ) {
00038          pDrawEnv->SetDepthBufferAddr( gsWordAddr );
00039       }
00040 
00041       void SetClearColor( float r, float g, float b, float a ) {
00042          pSprite->SetColor(  (unsigned int)(255.0f * r),
00043                              (unsigned int)(255.0f * g),
00044                              (unsigned int)(255.0f * b),
00045                              (unsigned int)(255.0f * a) );
00046       }
00047 
00048       void SetClearDepth( float depth ) {
00049          pSprite->SetDepth( Core::FToI4(depth) );
00050       }
00051 
00052       void ClearBuffers( unsigned int bitMask );
00053 };
00054 
00055 
00056 #endif // ps2gl_clear_h

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