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1 /*
2  * Copyright © 2014 Red Hat
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  *
23  */
24 
25 #ifndef _RGTC_H
26 #define _RGTC_H
27 
28 void util_format_unsigned_fetch_texel_rgtc(unsigned srcRowStride, const unsigned char *pixdata,
29                                            unsigned i, unsigned j, unsigned char *value, unsigned comps);
30 
31 void util_format_signed_fetch_texel_rgtc(unsigned srcRowStride, const signed char *pixdata,
32                                            unsigned i, unsigned j, signed char *value, unsigned comps);
33 
34 void util_format_unsigned_encode_rgtc_ubyte(unsigned char *blkaddr, unsigned char srccolors[4][4],
35                                             int numxpixels, int numypixels);
36 
37 void util_format_signed_encode_rgtc_ubyte(signed char *blkaddr, signed char srccolors[4][4],
38                                             int numxpixels, int numypixels);
39 #endif /* _RGTC_H */
40