Glide Plugin GLES2 port from mupen64plus-ae, but with special FrameSkip code

[mupen64plus-pandora.git] / source / gles2glide64 / src / GlideHQ / TxUtil.h

diff --git a/source/gles2glide64/src/GlideHQ/TxUtil.h b/source/gles2glide64/src/GlideHQ/TxUtil.h
new file mode 100644 (file)
index 0000000..b89f660
--- /dev/null
+++ b/source/gles2glide64/src/GlideHQ/TxUtil.h
@@ -0,0 +1,121 @@
+/*
+ * 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__ */