Added sources of dxtn. See getsrc.btm used for getting the sources

1 files changed, 53 insertions, 0 deletions

diff --git a/dxtn/txc_dxtn.h b/dxtn/txc_dxtn.h
new file mode 100644
index 000000000..bf6842c05
--- /dev/null
+++ b/dxtn/txc_dxtn.h
@@ -0,0 +1,53 @@
+/*
+ * libtxc_dxtn
+ * Version:  0.1
+ *
+ * Copyright (C) 2004  Roland Scheidegger   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "base/basictypes.h"
+
+typedef uint32 GLenum;
+typedef int32  GLint;
+typedef uint8  GLubyte;
+typedef uint16 GLushort;
+typedef uint32 GLuint;
+typedef void   GLvoid;
+
+typedef GLubyte GLchan;
+#define UBYTE_TO_CHAN(b)  (b)
+#define CHAN_MAX 255
+#define RCOMP 0
+#define GCOMP 1
+#define BCOMP 2
+#define ACOMP 3
+
+void fetch_2d_texel_rgb_dxt1(GLint srcRowStride, const GLubyte *pixdata,
+			     GLint i, GLint j, GLvoid *texel);
+void fetch_2d_texel_rgba_dxt1(GLint srcRowStride, const GLubyte *pixdata,
+			     GLint i, GLint j, GLvoid *texel);
+void fetch_2d_texel_rgba_dxt3(GLint srcRowStride, const GLubyte *pixdata,
+			     GLint i, GLint j, GLvoid *texel);
+void fetch_2d_texel_rgba_dxt5(GLint srcRowStride, const GLubyte *pixdata,
+			     GLint i, GLint j, GLvoid *texel);
+
+void tx_compress_dxtn(GLint srccomps, GLint width, GLint height,
+		      const GLubyte *srcPixData, GLenum destformat,
+		      GLubyte *dest, GLint dstRowStride);