pcsx2/plugins/GSdx/GSTextureCacheSW.h

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/*
* Copyright (C) 2007-2009 Gabest
* http://www.gabest.org
*
* 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, 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma once
#include "GSRenderer.h"
#define MAX_PAGES 512
#define MAX_BLOCKS 16384
class GSTextureCacheSW
{
public:
class GSTexture
{
public:
GSState* m_state;
GIFRegTEX0 m_TEX0;
GIFRegTEXA m_TEXA;
void* m_buff;
DWORD m_tw;
DWORD m_valid[MAX_PAGES]; // each DWORD bits map to the 32 blocks of that page
DWORD m_age;
POSITION m_pos;
bool m_complete;
explicit GSTexture(GSState* state);
virtual ~GSTexture();
bool Update(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, const CRect* r = NULL);
};
protected:
GSState* m_state;
CAtlList<GSTexture*> m_textures;
CAtlMap<GSTexture*, bool> m_map[MAX_PAGES];
public:
GSTextureCacheSW(GSState* state);
virtual ~GSTextureCacheSW();
const GSTexture* Lookup(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, const CRect* r = NULL);
void RemoveAll();
void IncAge();
void InvalidateVideoMem(const GIFRegBITBLTBUF& BITBLTBUF, const CRect& r);
};