1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright © 2009 Intel Corporation 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the "Software"), 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to deal in the Software without restriction, including without limitation 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and/or sell copies of the Software, and to permit persons to whom the 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Software is furnished to do so, subject to the following conditions: 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the next 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * paragraph) shall be included in all copies or substantial portions of the 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Software. 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * DEALINGS IN THE SOFTWARE. 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include <string.h> 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/mtypes.h" 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "prog_instruction.h" 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "program_parser.h" 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Extra assembly-level parser routines 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \author Ian Romanick <ian.d.romanick@intel.com> 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgint 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_parse_instruction_suffix(const struct asm_parser_state *state, 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const char *suffix, 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct prog_instruction *inst) 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org inst->CondUpdate = 0; 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org inst->CondDst = 0; 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org inst->SaturateMode = SATURATE_OFF; 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org inst->Precision = FLOAT32; 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* The first possible suffix element is the precision specifier from 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * NV_fragment_program_option. 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (state->option.NV_fragment) { 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch (suffix[0]) { 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 'H': 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org inst->Precision = FLOAT16; 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org suffix++; 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 'R': 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org inst->Precision = FLOAT32; 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org suffix++; 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 'X': 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org inst->Precision = FIXED12; 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org suffix++; 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* The next possible suffix element is the condition code modifier selection 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * from NV_fragment_program_option. 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (state->option.NV_fragment) { 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (suffix[0] == 'C') { 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org inst->CondUpdate = 1; 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org suffix++; 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* The final possible suffix element is the saturation selector from 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ARB_fragment_program. 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (state->mode == ARB_fragment) { 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strcmp(suffix, "_SAT") == 0) { 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org inst->SaturateMode = SATURATE_ZERO_ONE; 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org suffix += 4; 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* It is an error for all of the suffix string not to be consumed. 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return suffix[0] == '\0'; 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgint 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_parse_cc(const char *s) 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int cond = 0; 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch (s[0]) { 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 'E': 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (s[1] == 'Q') { 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cond = COND_EQ; 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 'F': 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (s[1] == 'L') { 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cond = COND_FL; 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 'G': 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (s[1] == 'E') { 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cond = COND_GE; 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (s[1] == 'T') { 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cond = COND_GT; 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 'L': 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (s[1] == 'E') { 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cond = COND_LE; 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (s[1] == 'T') { 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cond = COND_LT; 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 'N': 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (s[1] == 'E') { 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cond = COND_NE; 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 'T': 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (s[1] == 'R') { 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cond = COND_TR; 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return ((cond == 0) || (s[2] != '\0')) ? 0 : cond; 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgint 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_ARBvp_parse_option(struct asm_parser_state *state, const char *option) 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strcmp(option, "ARB_position_invariant") == 0) { 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org state->option.PositionInvariant = 1; 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 1; 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 0; 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgint 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_ARBfp_parse_option(struct asm_parser_state *state, const char *option) 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* All of the options currently supported start with "ARB_". The code is 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * currently structured with nested if-statements because eventually options 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * that start with "NV_" will be supported. This structure will result in 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * less churn when those options are added. 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strncmp(option, "ARB_", 4) == 0) { 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Advance the pointer past the "ARB_" prefix. 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org option += 4; 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strncmp(option, "fog_", 4) == 0) { 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org option += 4; 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (state->option.Fog == OPTION_NONE) { 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strcmp(option, "exp") == 0) { 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org state->option.Fog = OPTION_FOG_EXP; 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 1; 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (strcmp(option, "exp2") == 0) { 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org state->option.Fog = OPTION_FOG_EXP2; 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 1; 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (strcmp(option, "linear") == 0) { 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org state->option.Fog = OPTION_FOG_LINEAR; 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 1; 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 0; 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (strncmp(option, "precision_hint_", 15) == 0) { 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org option += 15; 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (state->option.PrecisionHint == OPTION_NONE) { 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strcmp(option, "nicest") == 0) { 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org state->option.PrecisionHint = OPTION_NICEST; 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 1; 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (strcmp(option, "fastest") == 0) { 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org state->option.PrecisionHint = OPTION_FASTEST; 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 1; 204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 0; 208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (strcmp(option, "draw_buffers") == 0) { 209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Don't need to check extension availability because all Mesa-based 210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * drivers support GL_ARB_draw_buffers. 211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org state->option.DrawBuffers = 1; 213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 1; 214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (strcmp(option, "fragment_program_shadow") == 0) { 215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (state->ctx->Extensions.ARB_fragment_program_shadow) { 216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org state->option.Shadow = 1; 217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 1; 218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (strncmp(option, "fragment_coord_", 15) == 0) { 220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org option += 15; 221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (state->ctx->Extensions.ARB_fragment_coord_conventions) { 222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strcmp(option, "origin_upper_left") == 0) { 223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org state->option.OriginUpperLeft = 1; 224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 1; 225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (strcmp(option, "pixel_center_integer") == 0) { 227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org state->option.PixelCenterInteger = 1; 228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 1; 229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (strncmp(option, "ATI_", 4) == 0) { 233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org option += 4; 234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strcmp(option, "draw_buffers") == 0) { 236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Don't need to check extension availability because all Mesa-based 237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * drivers support GL_ATI_draw_buffers. 238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org state->option.DrawBuffers = 1; 240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 1; 241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (strncmp(option, "NV_fragment_program", 19) == 0) { 243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org option += 19; 244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Other NV_fragment_program strings may be supported later. 246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (option[0] == '\0') { 248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (state->ctx->Extensions.NV_fragment_program_option) { 249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org state->option.NV_fragment = 1; 250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 1; 251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (strncmp(option, "MESA_", 5) == 0) { 254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org option += 5; 255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strcmp(option, "texture_array") == 0) { 257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (state->ctx->Extensions.MESA_texture_array) { 258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org state->option.TexArray = 1; 259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 1; 260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 0; 265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 266