1 /************************************************************************** 2 * 3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 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: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 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. 25 * 26 **************************************************************************/ 27 28 #ifndef TGSI_UTIL_H 29 #define TGSI_UTIL_H 30 31 #if defined __cplusplus 32 extern "C" { 33 #endif 34 35 struct tgsi_src_register; 36 struct tgsi_full_src_register; 37 struct tgsi_full_instruction; 38 39 void * 40 tgsi_align_128bit( 41 void *unaligned ); 42 43 unsigned 44 tgsi_util_get_src_register_swizzle( 45 const struct tgsi_src_register *reg, 46 unsigned component ); 47 48 49 unsigned 50 tgsi_util_get_full_src_register_swizzle( 51 const struct tgsi_full_src_register *reg, 52 unsigned component ); 53 54 void 55 tgsi_util_set_src_register_swizzle( 56 struct tgsi_src_register *reg, 57 unsigned swizzle, 58 unsigned component ); 59 60 #define TGSI_UTIL_SIGN_CLEAR 0 /* Force positive */ 61 #define TGSI_UTIL_SIGN_SET 1 /* Force negative */ 62 #define TGSI_UTIL_SIGN_TOGGLE 2 /* Negate */ 63 #define TGSI_UTIL_SIGN_KEEP 3 /* No change */ 64 65 unsigned 66 tgsi_util_get_full_src_register_sign_mode( 67 const struct tgsi_full_src_register *reg, 68 unsigned component ); 69 70 void 71 tgsi_util_set_full_src_register_sign_mode( 72 struct tgsi_full_src_register *reg, 73 unsigned sign_mode ); 74 75 unsigned 76 tgsi_util_get_inst_usage_mask(const struct tgsi_full_instruction *inst, 77 unsigned src_idx); 78 79 #if defined __cplusplus 80 } 81 #endif 82 83 #endif /* TGSI_UTIL_H */ 84
