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diff --git a/source/gles2glide64/src/GlideHQ/TxQuantize.h b/source/gles2glide64/src/GlideHQ/TxQuantize.h
new file mode 100644
index 0000000..d3c6ae6
--- /dev/null
+++ b/source/gles2glide64/src/GlideHQ/TxQuantize.h
@@ -0,0 +1,99 @@
+/*
+ * 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 __TXQUANTIZE_H__
+#define __TXQUANTIZE_H__
+
+/* Glide64 DXTn workaround
+ * (0:disable, 1:enable) */
+#define GLIDE64_DXTN 1
+
+#include "TxInternal.h"
+#include "TxUtil.h"
+
+class TxQuantize
+{
+private:
+  TxUtil *_txUtil;
+  int _numcore;
+
+  fxtCompressTexFuncExt _tx_compress_fxt1;
+  dxtCompressTexFuncExt _tx_compress_dxtn;
+
+  /* fast optimized... well, sort of. */
+  void ARGB1555_ARGB8888(uint32* src, uint32* dst, int width, int height);
+  void ARGB4444_ARGB8888(uint32* src, uint32* dst, int width, int height);
+  void RGB565_ARGB8888(uint32* src, uint32* dst, int width, int height);
+  void A8_ARGB8888(uint32* src, uint32* dst, int width, int height);
+  void AI44_ARGB8888(uint32* src, uint32* dst, int width, int height);
+  void AI88_ARGB8888(uint32* src, uint32* dst, int width, int height);
+
+  void ARGB8888_ARGB1555(uint32* src, uint32* dst, int width, int height);
+  void ARGB8888_ARGB4444(uint32* src, uint32* dst, int width, int height);
+  void ARGB8888_RGB565(uint32* src, uint32* dst, int width, int height);
+  void ARGB8888_A8(uint32* src, uint32* dst, int width, int height);
+  void ARGB8888_AI44(uint32* src, uint32* dst, int width, int height);
+  void ARGB8888_AI88(uint32* src, uint32* dst, int width, int height);
+
+  /* quality */
+  void ARGB8888_RGB565_ErrD(uint32* src, uint32* dst, int width, int height);
+  void ARGB8888_ARGB1555_ErrD(uint32* src, uint32* dst, int width, int height);
+  void ARGB8888_ARGB4444_ErrD(uint32* src, uint32* dst, int width, int height);
+  void ARGB8888_AI44_ErrD(uint32* src, uint32* dst, int width, int height);
+  void ARGB8888_AI88_Slow(uint32* src, uint32* dst, int width, int height);
+  void ARGB8888_I8_Slow(uint32* src, uint32* dst, int width, int height);
+
+  /* compressors */
+  boolean FXT1(uint8 *src, uint8 *dest,
+               int srcwidth, int srcheight, uint16 srcformat,
+               int *destwidth, int *destheight, uint16 *destformat);
+  boolean DXTn(uint8 *src, uint8 *dest,
+               int srcwidth, int srcheight, uint16 srcformat,
+               int *destwidth, int *destheight, uint16 *destformat);
+
+public:
+  TxQuantize();
+  ~TxQuantize();
+
+  /* others */
+  void P8_16BPP(uint32* src, uint32* dst, int width, int height, uint32* palette);
+
+  boolean quantize(uint8* src, uint8* dest, int width, int height, uint16 srcformat, uint16 destformat, boolean fastQuantizer = 1);
+
+  boolean compress(uint8 *src, uint8 *dest,
+                   int srcwidth, int srcheight, uint16 srcformat,
+                   int *destwidth, int *destheight, uint16 *destformat,
+                   int compressionType);
+
+
+#if 0 /* unused */
+  void ARGB8888_I8(uint32* src, uint32* dst, int width, int height);
+  void I8_ARGB8888(uint32* src, uint32* dst, int width, int height);
+  
+  void ARGB1555_ABGR8888(uint32* src, uint32* dst, int width, int height);
+  void ARGB4444_ABGR8888(uint32* src, uint32* dst, int width, int height);
+  void ARGB8888_ABGR8888(uint32* src, uint32* dst, int width, int height);
+#endif
+};
+
+#endif /* __TXQUANTIZE_H__ */