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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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma once
#include "GSRenderer.h"
class GSTextureCacheSW
{
public:
class Texture
{
public:
GSState* m_state;
GSOffset* m_offset;
GIFRegTEX0 m_TEX0;
GIFRegTEXA m_TEXA;
void* m_buff;
uint32 m_tw;
uint32 m_age;
bool m_complete;
bool m_repeating;
vector<GSVector2i>* m_p2t;
uint32 m_valid[MAX_PAGES];
struct {uint32 bm[16]; const uint32* n;} m_pages;
const uint32* RESTRICT m_sharedbits;
// m_valid
// fast mode: each uint32 bits map to the 32 blocks of that page
// repeating mode: 1 bpp image of the texture tiles (8x8), also having 512 elements is just a coincidence (worst case: (1024*1024)/(8*8)/(sizeof(uint32)*8))
Texture(GSState* state, uint32 tw0, const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA);
virtual ~Texture();
bool Update(const GSVector4i& r);
bool Save(const string& fn, bool dds = false) const;
};
protected:
GSState* m_state;
hash_set<Texture*> m_textures;
list<Texture*> m_map[MAX_PAGES];
public:
GSTextureCacheSW(GSState* state);
virtual ~GSTextureCacheSW();
Texture* Lookup(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, uint32 tw0 = 0);
void InvalidatePages(const uint32* pages, uint32 psm);
void RemoveAll();
void IncAge();
};
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