mirror of
https://github.com/blawar/GLideN64.git
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80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/*
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* Texture Filtering
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* Version: 1.0
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*
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* Copyright (C) 2007 Hiroshi Morii All Rights Reserved.
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* Email koolsmoky(at)users.sourceforge.net
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* Web http://www.3dfxzone.it/koolsmoky
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*
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* this is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* this is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __TXUTIL_H__
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#define __TXUTIL_H__
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/* maximum number of CPU cores allowed */
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#define MAX_NUMCORE 8
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#include "TxInternal.h"
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/* extension for cache files */
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#define TEXCACHE_EXT wst("htc")
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#define TEXSTREAM_EXT wst("hts")
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#include <vector>
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class TxUtil
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{
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private:
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static uint32 RiceCRC32(const uint8* src, int width, int height, int size, int rowStride);
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static boolean RiceCRC32_CI4(const uint8* src, int width, int height, int rowStride,
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uint32* crc32, uint32* cimax);
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static boolean RiceCRC32_CI8(const uint8* src, int width, int height, int rowStride,
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uint32* crc32, uint32* cimax);
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public:
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static int sizeofTx(int width, int height, ColorFormat format);
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static uint32 checksumTx(uint8 *data, int width, int height, ColorFormat format);
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#if 0 /* unused */
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static uint32 chkAlpha(uint32* src, int width, int height);
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#endif
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static uint32 checksum(uint8 *src, int width, int height, int size, int rowStride);
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static uint64 checksum64(uint8 *src, int width, int height, int size, int rowStride, uint8 *palette);
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static uint32 getNumberofProcessors();
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};
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class TxMemBuf
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{
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private:
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uint8 *_tex[2];
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uint32 _size[2];
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std::vector< std::vector<uint32> > _bufs;
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TxMemBuf();
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public:
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static TxMemBuf* getInstance() {
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static TxMemBuf txMemBuf;
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return &txMemBuf;
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}
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~TxMemBuf();
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boolean init(int maxwidth, int maxheight);
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void shutdown();
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uint8 *get(uint32 num);
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uint32 size_of(uint32 num);
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uint32 *getThreadBuf(uint32 threadIdx, uint32 num, uint32 size);
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};
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void setTextureFormat(ColorFormat internalFormat, GHQTexInfo * info);
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#endif /* __TXUTIL_H__ */
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