1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_debug.h" 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_shader_tokens.h" 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "tgsi_parse.h" 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "tgsi_util.h" 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgunion pointer_hack 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *pointer; 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org uint64_t uint64; 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid * 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgtgsi_align_128bit( 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *unaligned ) 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org union pointer_hack ph; 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ph.uint64 = 0; 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ph.pointer = unaligned; 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ph.uint64 = (ph.uint64 + 15) & ~15; 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return ph.pointer; 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgunsigned 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgtgsi_util_get_src_register_swizzle( 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct tgsi_src_register *reg, 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned component ) 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch( component ) { 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 0: 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return reg->SwizzleX; 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 1: 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return reg->SwizzleY; 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 2: 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return reg->SwizzleZ; 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 3: 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return reg->SwizzleW; 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert( 0 ); 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 0; 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgunsigned 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgtgsi_util_get_full_src_register_swizzle( 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct tgsi_full_src_register *reg, 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned component ) 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return tgsi_util_get_src_register_swizzle( 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ®->Register, 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org component ); 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgtgsi_util_set_src_register_swizzle( 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct tgsi_src_register *reg, 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned swizzle, 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned component ) 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch( component ) { 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 0: 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg->SwizzleX = swizzle; 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 1: 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg->SwizzleY = swizzle; 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 2: 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg->SwizzleZ = swizzle; 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 3: 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg->SwizzleW = swizzle; 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert( 0 ); 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgunsigned 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgtgsi_util_get_full_src_register_sign_mode( 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct tgsi_full_src_register *reg, 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned component ) 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned sign_mode; 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if( reg->Register.Absolute ) { 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Consider only the post-abs negation. */ 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if( reg->Register.Negate ) { 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sign_mode = TGSI_UTIL_SIGN_SET; 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sign_mode = TGSI_UTIL_SIGN_CLEAR; 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if( reg->Register.Negate ) { 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sign_mode = TGSI_UTIL_SIGN_TOGGLE; 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sign_mode = TGSI_UTIL_SIGN_KEEP; 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return sign_mode; 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgtgsi_util_set_full_src_register_sign_mode( 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct tgsi_full_src_register *reg, 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned sign_mode ) 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch (sign_mode) 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_UTIL_SIGN_CLEAR: 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg->Register.Negate = 0; 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg->Register.Absolute = 1; 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_UTIL_SIGN_SET: 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg->Register.Absolute = 1; 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg->Register.Negate = 1; 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_UTIL_SIGN_TOGGLE: 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg->Register.Negate = 1; 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg->Register.Absolute = 0; 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_UTIL_SIGN_KEEP: 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg->Register.Negate = 0; 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org reg->Register.Absolute = 0; 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert( 0 ); 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Determine which channels of the specificed src register are effectively 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * used by this instruction. 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgunsigned 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgtgsi_util_get_inst_usage_mask(const struct tgsi_full_instruction *inst, 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned src_idx) 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct tgsi_full_src_register *src = &inst->Src[src_idx]; 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned write_mask = inst->Dst[0].Register.WriteMask; 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned read_mask; 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned usage_mask; 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned chan; 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch (inst->Instruction.Opcode) { 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_MOV: 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_ARL: 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_ARR: 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_RCP: 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_MUL: 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_DIV: 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_ADD: 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_MIN: 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_MAX: 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_SLT: 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_SGE: 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_MAD: 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_SUB: 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_LRP: 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_CND: 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_FRC: 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_CEIL: 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_CLAMP: 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_FLR: 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_ROUND: 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_POW: 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_ABS: 204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_COS: 205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_SIN: 206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_DDX: 207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_DDY: 208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_SEQ: 209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_SGT: 210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_SLE: 211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_SNE: 212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_SSG: 213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_CMP: 214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_TRUNC: 215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_NOT: 216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_AND: 217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_OR: 218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_XOR: 219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_SAD: 220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Channel-wise operations */ 221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = write_mask; 222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_EX2: 225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_LG2: 226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_RCC: 227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = TGSI_WRITEMASK_X; 228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_SCS: 231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = write_mask & TGSI_WRITEMASK_XY ? TGSI_WRITEMASK_X : 0; 232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_EXP: 235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_LOG: 236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = write_mask & TGSI_WRITEMASK_XYZ ? TGSI_WRITEMASK_X : 0; 237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_DP2A: 240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = src_idx == 2 ? TGSI_WRITEMASK_X : TGSI_WRITEMASK_XY; 241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_DP2: 244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = TGSI_WRITEMASK_XY; 245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_DP3: 248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = TGSI_WRITEMASK_XYZ; 249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_DP4: 252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = TGSI_WRITEMASK_XYZW; 253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_DPH: 256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = src_idx == 0 ? TGSI_WRITEMASK_XYZ : TGSI_WRITEMASK_XYZW; 257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_TEX: 260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_TXD: 261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_TXB: 262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_TXL: 263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_OPCODE_TXP: 264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (src_idx == 0) { 265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Note that the SHADOW variants use the Z component too */ 266f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch (inst->Texture.Texture) { 267f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_TEXTURE_1D: 268f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = TGSI_WRITEMASK_X; 269f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 270f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_TEXTURE_SHADOW1D: 271f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = TGSI_WRITEMASK_XZ; 272f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 273f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_TEXTURE_1D_ARRAY: 274f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_TEXTURE_2D: 275f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_TEXTURE_RECT: 276f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = TGSI_WRITEMASK_XY; 277f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 278f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_TEXTURE_SHADOW1D_ARRAY: 279f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_TEXTURE_SHADOW2D: 280f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_TEXTURE_SHADOWRECT: 281f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_TEXTURE_2D_ARRAY: 282f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_TEXTURE_3D: 283f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_TEXTURE_CUBE: 284f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_TEXTURE_2D_MSAA: 285f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = TGSI_WRITEMASK_XYZ; 286f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 287f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_TEXTURE_SHADOW2D_ARRAY: 288f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_TEXTURE_SHADOWCUBE: 289f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_TEXTURE_2D_ARRAY_MSAA: 290f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = TGSI_WRITEMASK_XYZW; 291f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 292f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 293f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(0); 294f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = 0; 295f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 296f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 297f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (inst->Instruction.Opcode != TGSI_OPCODE_TEX) { 298f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask |= TGSI_WRITEMASK_W; 299f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 300f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else { 301f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* A safe approximation */ 302f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = TGSI_WRITEMASK_XYZW; 303f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 304f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 305f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 306f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 307f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Assume all channels are read */ 308f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org read_mask = TGSI_WRITEMASK_XYZW; 309f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 310f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 311f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 312f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org usage_mask = 0; 313f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (chan = 0; chan < 4; ++chan) { 314f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (read_mask & (1 << chan)) { 315f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org usage_mask |= 1 << tgsi_util_get_full_src_register_swizzle(src, chan); 316f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 317f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 318f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 319f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return usage_mask; 320f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 321