project64/Source/GlideHQ/TxTexCache.cpp

/*
 * 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.
 */

#ifdef WIN32
#pragma warning(disable: 4786)
#endif

/* dump cache to disk (0:disable, 1:enable) */
#define DUMP_CACHE 1

#include "TxTexCache.h"
#include "TxDbg.h"
#include <zlib/zlib.h>
#include <string>
#include <Common/path.h>
#include <Common/StdString.h>

TxTexCache::~TxTexCache()
{
#if DUMP_CACHE
    if (_options & DUMP_TEXCACHE)
    {
        /* dump cache to disk */
        std::string filename = _ident + "_MEMORYCACHE.dat";
        CPath cachepath(_path.c_str(), "");
        cachepath.AppendDirectory("cache");

        int config = _options & (FILTER_MASK | ENHANCEMENT_MASK | COMPRESS_TEX | COMPRESSION_MASK | FORCE16BPP_TEX | GZ_TEXCACHE);

        TxCache::save(cachepath, filename.c_str(), config);
    }
#endif
}

TxTexCache::TxTexCache(int options, int cachesize, const char *path, const char *ident, dispInfoFuncExt callback) :
TxCache((options & ~GZ_HIRESTEXCACHE), cachesize, path, ident, callback)
{
    /* assert local options */
    if (_path.empty() || _ident.empty() || !_cacheSize)
    {
        _options &= ~DUMP_TEXCACHE;
    }

#if DUMP_CACHE
    if (_options & DUMP_TEXCACHE)
    {
        /* find it on disk */
        std::string filename = _ident + "_MEMORYCACHE.dat";
        CPath cachepath(_path.c_str(), "");
        cachepath.AppendDirectory("cache");
        int config = _options & (FILTER_MASK | ENHANCEMENT_MASK | COMPRESS_TEX | COMPRESSION_MASK | FORCE16BPP_TEX | GZ_TEXCACHE);

        TxCache::load(cachepath, filename.c_str(), config);
    }
#endif
}

boolean TxTexCache::add(uint64 checksum, GHQTexInfo *info)
{
    if (_cacheSize <= 0) return 0;

    return TxCache::add(checksum, info);
}