1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
31 #if defined __cplusplus
35 struct tgsi_src_register
;
36 struct tgsi_src_register_ext_swz
;
37 struct tgsi_full_src_register
;
44 tgsi_util_get_src_register_swizzle(
45 const struct tgsi_src_register
*reg
,
49 tgsi_util_get_src_register_extswizzle(
50 const struct tgsi_src_register_ext_swz
*reg
,
54 tgsi_util_get_full_src_register_extswizzle(
55 const struct tgsi_full_src_register
*reg
,
59 tgsi_util_set_src_register_swizzle(
60 struct tgsi_src_register
*reg
,
65 tgsi_util_set_src_register_extswizzle(
66 struct tgsi_src_register_ext_swz
*reg
,
71 tgsi_util_get_src_register_extnegate(
72 const struct tgsi_src_register_ext_swz
*reg
,
76 tgsi_util_set_src_register_extnegate(
77 struct tgsi_src_register_ext_swz
*reg
,
81 #define TGSI_UTIL_SIGN_CLEAR 0 /* Force positive */
82 #define TGSI_UTIL_SIGN_SET 1 /* Force negative */
83 #define TGSI_UTIL_SIGN_TOGGLE 2 /* Negate */
84 #define TGSI_UTIL_SIGN_KEEP 3 /* No change */
87 tgsi_util_get_full_src_register_sign_mode(
88 const struct tgsi_full_src_register
*reg
,
92 tgsi_util_set_full_src_register_sign_mode(
93 struct tgsi_full_src_register
*reg
,
96 #if defined __cplusplus
100 #endif /* TGSI_UTIL_H */