1/************************************************************************** 2 * 3 * Copyright 2007 VMware, Inc. 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 VMWARE 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 32extern "C" { 33#endif 34 35#include "pipe/p_shader_tokens.h" 36 37struct tgsi_src_register; 38struct tgsi_full_src_register; 39struct tgsi_full_instruction; 40 41void * 42tgsi_align_128bit( 43 void *unaligned ); 44 45unsigned 46tgsi_util_get_src_register_swizzle( 47 const struct tgsi_src_register *reg, 48 unsigned component ); 49 50 51unsigned 52tgsi_util_get_full_src_register_swizzle( 53 const struct tgsi_full_src_register *reg, 54 unsigned component ); 55 56void 57tgsi_util_set_src_register_swizzle( 58 struct tgsi_src_register *reg, 59 unsigned swizzle, 60 unsigned component ); 61 62#define TGSI_UTIL_SIGN_CLEAR 0 /* Force positive */ 63#define TGSI_UTIL_SIGN_SET 1 /* Force negative */ 64#define TGSI_UTIL_SIGN_TOGGLE 2 /* Negate */ 65#define TGSI_UTIL_SIGN_KEEP 3 /* No change */ 66 67unsigned 68tgsi_util_get_full_src_register_sign_mode( 69 const struct tgsi_full_src_register *reg, 70 unsigned component ); 71 72void 73tgsi_util_set_full_src_register_sign_mode( 74 struct tgsi_full_src_register *reg, 75 unsigned sign_mode ); 76 77unsigned 78tgsi_util_get_inst_usage_mask(const struct tgsi_full_instruction *inst, 79 unsigned src_idx); 80 81struct tgsi_src_register 82tgsi_util_get_src_from_ind(const struct tgsi_ind_register *reg); 83 84int 85tgsi_util_get_texture_coord_dim(unsigned tgsi_tex); 86 87int 88tgsi_util_get_shadow_ref_src_index(unsigned tgsi_tex); 89 90boolean 91tgsi_is_shadow_target(unsigned target); 92 93 94static inline boolean 95tgsi_is_msaa_target(unsigned target) 96{ 97 return (target == TGSI_TEXTURE_2D_MSAA || 98 target == TGSI_TEXTURE_2D_ARRAY_MSAA); 99} 100 101#if defined __cplusplus 102} 103#endif 104 105#endif /* TGSI_UTIL_H */ 106