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diff --git a/source/gles2glide64/src/GlideHQ/TxCache.h b/source/gles2glide64/src/GlideHQ/TxCache.h
new file mode 100644
index 0000000..cb2de0c
--- /dev/null
+++ b/source/gles2glide64/src/GlideHQ/TxCache.h
@@ -0,0 +1,71 @@
+/*
+ * 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 __TXCACHE_H__
+#define __TXCACHE_H__
+
+#include "TxInternal.h"
+#include "TxUtil.h"
+#include <list>
+#include <map>
+#include <string>
+
+class TxCache
+{
+private:
+  std::list<uint64> _cachelist;
+  uint8 *_gzdest0;
+  uint8 *_gzdest1;
+  uint32 _gzdestLen;
+protected:
+  int _options;
+  std::wstring _ident;
+  std::wstring _datapath;
+  std::wstring _cachepath;
+  dispInfoFuncExt _callback;
+  TxUtil *_txUtil;
+  struct TXCACHE {
+    int size;
+    GHQTexInfo info;
+    std::list<uint64>::iterator it;
+  };
+  int _totalSize;
+  int _cacheSize;
+  std::map<uint64, TXCACHE*> _cache;
+  boolean save(const wchar_t *path, const wchar_t *filename, const int config);
+  boolean load(const wchar_t *path, const wchar_t *filename, const int config);
+  boolean del(uint64 checksum); /* checksum hi:palette low:texture */
+  boolean is_cached(uint64 checksum); /* checksum hi:palette low:texture */
+  void clear();
+public:
+  ~TxCache();
+  TxCache(int options, int cachesize, const wchar_t *datapath,
+              const wchar_t *cachepath, const wchar_t *ident,
+              dispInfoFuncExt callback);
+  boolean add(uint64 checksum, /* checksum hi:palette low:texture */
+              GHQTexInfo *info, int dataSize = 0);
+  boolean get(uint64 checksum, /* checksum hi:palette low:texture */
+              GHQTexInfo *info);
+};
+
+#endif /* __TXCACHE_H__ */