440 lines
14 KiB
C++
440 lines
14 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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#ifdef WIN32
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#pragma warning(disable: 4786)
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#endif
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#include "TxCache.h"
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#include "TxDbg.h"
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#include <zlib/zlib.h>
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#include <Common/path.h>
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#include <Common/StdString.h>
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TxCache::~TxCache()
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{
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/* free memory, clean up, etc */
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clear();
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delete _txUtil;
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}
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TxCache::TxCache(int options, int cachesize, const char *path, const char *ident,
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dispInfoFuncExt callback)
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{
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_txUtil = new TxUtil();
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_options = options;
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_cacheSize = cachesize;
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_callback = callback;
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_totalSize = 0;
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/* save path name */
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if (path)
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{
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_path.assign(path);
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}
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/* save ROM name */
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if (ident)
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{
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_ident.assign(ident);
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}
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/* zlib memory buffers to (de)compress hires textures */
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if (_options & (GZ_TEXCACHE | GZ_HIRESTEXCACHE))
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{
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_gzdest0 = TxMemBuf::getInstance()->get(0);
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_gzdest1 = TxMemBuf::getInstance()->get(1);
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_gzdestLen = (TxMemBuf::getInstance()->size_of(0) < TxMemBuf::getInstance()->size_of(1)) ?
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TxMemBuf::getInstance()->size_of(0) : TxMemBuf::getInstance()->size_of(1);
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if (!_gzdest0 || !_gzdest1 || !_gzdestLen)
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{
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_options &= ~(GZ_TEXCACHE | GZ_HIRESTEXCACHE);
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_gzdest0 = NULL;
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_gzdest1 = NULL;
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_gzdestLen = 0;
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}
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}
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}
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boolean
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TxCache::add(uint64 checksum, GHQTexInfo *info, int dataSize)
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{
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/* NOTE: dataSize must be provided if info->data is zlib compressed. */
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if (!checksum || !info->data) return 0;
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uint8 *dest = info->data;
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uint16 format = info->format;
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if (!dataSize)
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{
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dataSize = _txUtil->sizeofTx(info->width, info->height, info->format);
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if (!dataSize) return 0;
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if (_options & (GZ_TEXCACHE | GZ_HIRESTEXCACHE))
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{
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/* zlib compress it. compression level:1 (best speed) */
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uLongf destLen = _gzdestLen;
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dest = (dest == _gzdest0) ? _gzdest1 : _gzdest0;
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if (compress2(dest, &destLen, info->data, dataSize, 1) != Z_OK)
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{
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dest = info->data;
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DBG_INFO(80, "Error: zlib compression failed!\n");
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}
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else
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{
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DBG_INFO(80, "zlib compressed: %.02fkb->%.02fkb\n", (float)dataSize / 1000, (float)destLen / 1000);
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dataSize = destLen;
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format |= GR_TEXFMT_GZ;
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}
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}
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}
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/* if cache size exceeds limit, remove old cache */
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if (_cacheSize > 0)
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{
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_totalSize += dataSize;
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if ((_totalSize > _cacheSize) && !_cachelist.empty())
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{
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/* _cachelist is arranged so that frequently used textures are in the back */
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std::list<uint64>::iterator itList = _cachelist.begin();
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while (itList != _cachelist.end())
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{
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/* find it in _cache */
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std::map<uint64, TXCACHE*>::iterator itMap = _cache.find(*itList);
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if (itMap != _cache.end())
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{
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/* yep we have it. remove it. */
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_totalSize -= (*itMap).second->size;
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free((*itMap).second->info.data);
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delete (*itMap).second;
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_cache.erase(itMap);
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}
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itList++;
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/* check if memory cache has enough space */
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if (_totalSize <= _cacheSize)
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break;
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}
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/* remove from _cachelist */
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_cachelist.erase(_cachelist.begin(), itList);
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DBG_INFO(80, "+++++++++\n");
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}
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_totalSize -= dataSize;
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}
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/* cache it */
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uint8 *tmpdata = (uint8*)malloc(dataSize);
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if (tmpdata)
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{
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TXCACHE *txCache = new TXCACHE;
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if (txCache)
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{
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/* we can directly write as we filter, but for now we get away
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* with doing memcpy after all the filtering is done.
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*/
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memcpy(tmpdata, dest, dataSize);
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/* copy it */
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memcpy(&txCache->info, info, sizeof(GHQTexInfo));
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txCache->info.data = tmpdata;
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txCache->info.format = format;
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txCache->size = dataSize;
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/* add to cache */
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if (_cacheSize > 0)
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{
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_cachelist.push_back(checksum);
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txCache->it = --(_cachelist.end());
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}
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/* _cache[checksum] = txCache; */
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_cache.insert(std::map<uint64, TXCACHE*>::value_type(checksum, txCache));
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#ifdef DEBUG
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DBG_INFO(80, "[%5d] added!! crc:%08X %08X %d x %d gfmt:%x total:%.02fmb\n",
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_cache.size(), (uint32)(checksum >> 32), (uint32)(checksum & 0xffffffff),
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info->width, info->height, info->format, (float)_totalSize / 1000000);
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DBG_INFO(80, "smalllodlog2:%d largelodlog2:%d aspectratiolog2:%d\n",
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txCache->info.smallLodLog2, txCache->info.largeLodLog2, txCache->info.aspectRatioLog2);
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if (info->tiles)
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{
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DBG_INFO(80, "tiles:%d un-tiled size:%d x %d\n", info->tiles, info->untiled_width, info->untiled_height);
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}
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if (_cacheSize > 0)
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{
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DBG_INFO(80, "cache max config:%.02fmb\n", (float)_cacheSize / 1000000);
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if (_cache.size() != _cachelist.size())
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{
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DBG_INFO(80, "Error: cache/cachelist mismatch! (%d/%d)\n", _cache.size(), _cachelist.size());
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}
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}
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#endif
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/* total cache size */
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_totalSize += dataSize;
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return 1;
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}
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free(tmpdata);
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}
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return 0;
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}
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boolean
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TxCache::get(uint64 checksum, GHQTexInfo *info)
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{
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if (!checksum || _cache.empty()) return 0;
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/* find a match in cache */
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std::map<uint64, TXCACHE*>::iterator itMap = _cache.find(checksum);
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if (itMap != _cache.end())
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{
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/* yep, we've got it. */
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memcpy(info, &(((*itMap).second)->info), sizeof(GHQTexInfo));
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/* push it to the back of the list */
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if (_cacheSize > 0)
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{
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_cachelist.erase(((*itMap).second)->it);
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_cachelist.push_back(checksum);
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((*itMap).second)->it = --(_cachelist.end());
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}
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/* zlib decompress it */
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if (info->format & GR_TEXFMT_GZ)
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{
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uLongf destLen = _gzdestLen;
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uint8 *dest = (_gzdest0 == info->data) ? _gzdest1 : _gzdest0;
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if (uncompress(dest, &destLen, info->data, ((*itMap).second)->size) != Z_OK)
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{
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DBG_INFO(80, "Error: zlib decompression failed!\n");
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return 0;
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}
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info->data = dest;
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info->format &= ~GR_TEXFMT_GZ;
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DBG_INFO(80, "zlib decompressed: %.02fkb->%.02fkb\n", (float)(((*itMap).second)->size) / 1000, (float)destLen / 1000);
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}
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return 1;
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}
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return 0;
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}
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boolean TxCache::save(const char *path, const char *filename, int config)
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{
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if (!_cache.empty())
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{
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CPath(path, "").DirectoryCreate();
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gzFile gzfp = gzopen(CPath(path, filename), "wb1");
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DBG_INFO(80, "gzfp:%x file:%ls\n", gzfp, filename);
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if (gzfp)
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{
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/* write header to determine config match */
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gzwrite(gzfp, &config, 4);
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std::map<uint64, TXCACHE*>::iterator itMap = _cache.begin();
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while (itMap != _cache.end())
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{
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uint8 *dest = (*itMap).second->info.data;
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uint32 destLen = (*itMap).second->size;
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uint16 format = (*itMap).second->info.format;
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/* to keep things simple, we save the texture data in a zlib uncompressed state. */
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/* sigh... for those who cannot wait the extra few seconds. changed to keep
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* texture data in a zlib compressed state. if the GZ_TEXCACHE or GZ_HIRESTEXCACHE
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* option is toggled, the cache will need to be rebuilt.
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*/
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/*if (format & GR_TEXFMT_GZ) {
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dest = _gzdest0;
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destLen = _gzdestLen;
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if (dest && destLen) {
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if (uncompress(dest, &destLen, (*itMap).second->info.data, (*itMap).second->size) != Z_OK) {
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dest = NULL;
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destLen = 0;
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}
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format &= ~GR_TEXFMT_GZ;
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}
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}*/
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if (dest && destLen)
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{
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/* texture checksum */
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gzwrite(gzfp, &((*itMap).first), 8);
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/* other texture info */
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gzwrite(gzfp, &((*itMap).second->info.width), 4);
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gzwrite(gzfp, &((*itMap).second->info.height), 4);
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gzwrite(gzfp, &format, 2);
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gzwrite(gzfp, &((*itMap).second->info.smallLodLog2), 4);
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gzwrite(gzfp, &((*itMap).second->info.largeLodLog2), 4);
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gzwrite(gzfp, &((*itMap).second->info.aspectRatioLog2), 4);
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gzwrite(gzfp, &((*itMap).second->info.tiles), 4);
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gzwrite(gzfp, &((*itMap).second->info.untiled_width), 4);
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gzwrite(gzfp, &((*itMap).second->info.untiled_height), 4);
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gzwrite(gzfp, &((*itMap).second->info.is_hires_tex), 1);
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gzwrite(gzfp, &destLen, 4);
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gzwrite(gzfp, dest, destLen);
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}
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itMap++;
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/* not ready yet */
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/*if (_callback)
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(*_callback)("Total textures saved to HDD: %d\n", std::distance(itMap, _cache.begin()));*/
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}
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gzclose(gzfp);
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}
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}
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return _cache.empty();
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}
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boolean TxCache::load(const char *path, const char *filename, int config)
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{
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/* find it on disk */
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CPath cbuf(path, filename);
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gzFile gzfp = gzopen(cbuf, "rb");
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DBG_INFO(80, "gzfp:%x file:%ls\n", gzfp, filename);
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if (gzfp)
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{
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/* yep, we have it. load it into memory cache. */
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int dataSize;
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uint64 checksum;
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GHQTexInfo tmpInfo;
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int tmpconfig;
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/* read header to determine config match */
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gzread(gzfp, &tmpconfig, 4);
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if (tmpconfig == config)
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{
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do
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{
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memset(&tmpInfo, 0, sizeof(GHQTexInfo));
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gzread(gzfp, &checksum, 8);
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gzread(gzfp, &tmpInfo.width, 4);
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gzread(gzfp, &tmpInfo.height, 4);
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gzread(gzfp, &tmpInfo.format, 2);
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gzread(gzfp, &tmpInfo.smallLodLog2, 4);
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gzread(gzfp, &tmpInfo.largeLodLog2, 4);
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gzread(gzfp, &tmpInfo.aspectRatioLog2, 4);
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gzread(gzfp, &tmpInfo.tiles, 4);
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gzread(gzfp, &tmpInfo.untiled_width, 4);
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gzread(gzfp, &tmpInfo.untiled_height, 4);
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gzread(gzfp, &tmpInfo.is_hires_tex, 1);
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gzread(gzfp, &dataSize, 4);
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tmpInfo.data = (uint8*)malloc(dataSize);
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if (tmpInfo.data)
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{
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gzread(gzfp, tmpInfo.data, dataSize);
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/* add to memory cache */
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add(checksum, &tmpInfo, (tmpInfo.format & GR_TEXFMT_GZ) ? dataSize : 0);
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free(tmpInfo.data);
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}
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else
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{
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gzseek(gzfp, dataSize, SEEK_CUR);
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}
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/* skip in between to prevent the loop from being tied down to vsync */
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if (_callback && (!(_cache.size() % 100) || gzeof(gzfp)))
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(*_callback)("[%d] total mem:%.02fmb - %ls\n", _cache.size(), (float)_totalSize / 1000000, filename);
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} while (!gzeof(gzfp));
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gzclose(gzfp);
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}
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}
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return !_cache.empty();
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}
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boolean TxCache::del(uint64 checksum)
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{
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if (!checksum || _cache.empty()) return 0;
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std::map<uint64, TXCACHE*>::iterator itMap = _cache.find(checksum);
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if (itMap != _cache.end())
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{
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/* for texture cache (not hi-res cache) */
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if (!_cachelist.empty()) _cachelist.erase(((*itMap).second)->it);
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/* remove from cache */
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free((*itMap).second->info.data);
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_totalSize -= (*itMap).second->size;
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delete (*itMap).second;
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_cache.erase(itMap);
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DBG_INFO(80, "removed from cache: checksum = %08X %08X\n", (uint32)(checksum & 0xffffffff), (uint32)(checksum >> 32));
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return 1;
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}
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return 0;
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}
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boolean TxCache::is_cached(uint64 checksum)
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{
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std::map<uint64, TXCACHE*>::iterator itMap = _cache.find(checksum);
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if (itMap != _cache.end()) return 1;
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return 0;
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}
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void TxCache::clear()
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{
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if (!_cache.empty())
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{
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std::map<uint64, TXCACHE*>::iterator itMap = _cache.begin();
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while (itMap != _cache.end())
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{
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free((*itMap).second->info.data);
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delete (*itMap).second;
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itMap++;
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}
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_cache.clear();
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}
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if (!_cachelist.empty()) _cachelist.clear();
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_totalSize = 0;
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} |