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/* ScummVM - Scumm Interpreter
* Copyright (C) 2005 The ScummVM project
*
* 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.
*
* $Header$
*
*/
// minimalistic gfx pipe implementation based on Vzzrzzn's GfxPipe.
#ifndef __DMAPIPE_H__
#define __DMAPIPE_H__
#include "sysdefs.h"
#include "backends/ps2/GsDefs.h"
class SinglePipe;
struct GsVertex {
uint16 x, y, z;
};
struct TexVertex {
uint16 u, v;
};
class DmaPipe {
public:
DmaPipe(uint32 size);
void uploadTex(uint32 dest, uint16 bufWidth, uint16 destOfsX, uint16 destOfsY, uint8 pixelFmt, const void *src, uint16 width, uint16 height);
void setTex(uint32 tex, uint32 texBufWidth, uint8 texPowW, uint8 texPowH, uint8 texPixFmt, uint32 clut, uint8 csm, uint32 clutBufWidth, uint32 clutPixFmt);
void setDrawBuffer(uint64 base, uint64 width, uint8 pixelFmt, uint64 mask);
void textureRect(uint16 x1, uint16 y1, uint16 u1, uint16 v1, uint16 x2, uint16 y2, uint16 u2, uint16 v2, uint16 z, uint32 colour);
void textureRect(const GsVertex *p1, const GsVertex *p2, const GsVertex *p3, const GsVertex *p4, const TexVertex *t1, const TexVertex *t2, const TexVertex *t3, const TexVertex *t4, uint32 rgba);
void flatRect(const GsVertex *p1, const GsVertex *p2, const GsVertex *p3, const GsVertex *p4, uint32 rgba);
void flatRect(const GsVertex *p1, const GsVertex *p2, uint32 rgba);
void setOrigin(uint16 x, uint16 y);
void setConfig(uint8 prModeCont, uint8 dither, uint8 colClamp);
void setScissorRect(uint64 x1, uint64 y1, uint64 x2, uint64 y2);
void setAlphaBlend(AlphaBlendColor a, AlphaBlendColor b, AlphaBlendAlpha c, AlphaBlendColor d, uint8 fix);
void flush(void);
void waitForDma(void);
private:
void checkSpace(uint32 needed);
uint64 *_buf;
uint8 _curPipe;
SinglePipe *_pipes[2];
};
#endif //__DMAPIPE_H__
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