project64/Source/GlideHQ/TxUtil.h

122 lines
3.7 KiB
C++

/*
* Texture Filtering
* Version: 1.0
*
* Copyright (C) 2007 Hiroshi Morii All Rights Reserved.
* Email koolsmoky(at)users.sourceforge.net
* Web http://www.3dfxzone.it/koolsmoky
*
* this 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 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.
*/
#ifndef __TXUTIL_H__
#define __TXUTIL_H__
/* maximum number of CPU cores allowed */
#define MAX_NUMCORE 8
#include "TxInternal.h"
#include <string>
#ifndef DXTN_DLL
#ifdef __cplusplus
extern "C"{
#endif
void tx_compress_dxtn(int srccomps, int width, int height,
const void *source, int destformat, void *dest,
int destRowStride);
int fxt1_encode(int width, int height, int comps,
const void *source, int srcRowStride,
void *dest, int destRowStride);
#ifdef __cplusplus
}
#endif
#endif /* DXTN_DLL */
typedef void (*dxtCompressTexFuncExt)(int srccomps, int width,
int height, const void *srcPixData,
int destformat, void *dest,
int dstRowStride);
typedef int (*fxtCompressTexFuncExt)(int width, int height, int comps,
const void *source, int srcRowStride,
void *dest, int destRowStride);
class TxLoadLib
{
private:
#ifdef DXTN_DLL
HMODULE _dxtnlib;
#endif
fxtCompressTexFuncExt _tx_compress_fxt1;
dxtCompressTexFuncExt _tx_compress_dxtn;
TxLoadLib();
public:
static TxLoadLib* getInstance() {
static TxLoadLib txLoadLib;
return &txLoadLib;
}
~TxLoadLib();
fxtCompressTexFuncExt getfxtCompressTexFuncExt();
dxtCompressTexFuncExt getdxtCompressTexFuncExt();
};
class TxUtil
{
private:
uint32 Adler32(const uint8* data, int Len, uint32 Adler);
uint32 Adler32(const uint8* src, int width, int height, int size, int rowStride);
uint32 RiceCRC32(const uint8* src, int width, int height, int size, int rowStride);
boolean RiceCRC32_CI4(const uint8* src, int width, int height, int size, int rowStride,
uint32* crc32, uint32* cimax);
boolean RiceCRC32_CI8(const uint8* src, int width, int height, int size, int rowStride,
uint32* crc32, uint32* cimax);
int log2(int num);
public:
TxUtil() { }
~TxUtil() { }
int sizeofTx(int width, int height, uint16 format);
uint32 checksumTx(uint8 *data, int width, int height, uint16 format);
#if 0 /* unused */
uint32 chkAlpha(uint32* src, int width, int height);
#endif
uint32 checksum(uint8 *src, int width, int height, int size, int rowStride);
uint64 checksum64(uint8 *src, int width, int height, int size, int rowStride, uint8 *palette);
int grLodLog2(int w, int h);
int grAspectRatioLog2(int w, int h);
int getNumberofProcessors();
};
class TxMemBuf
{
private:
uint8 *_tex[2];
uint32 _size[2];
TxMemBuf();
public:
static TxMemBuf* getInstance() {
static TxMemBuf txMemBuf;
return &txMemBuf;
}
~TxMemBuf();
boolean init(int maxwidth, int maxheight);
void shutdown(void);
uint8 *get(unsigned int num);
uint32 size_of(unsigned int num);
};
#endif /* __TXUTIL_H__ */