ir_reader.cpp revision f4830be938c8fa33086f73cab19a53ab3e14cb9c
134350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke/* 234350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * Copyright © 2010 Intel Corporation 334350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * 434350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * Permission is hereby granted, free of charge, to any person obtaining a 534350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * copy of this software and associated documentation files (the "Software"), 634350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * to deal in the Software without restriction, including without limitation 734350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * the rights to use, copy, modify, merge, publish, distribute, sublicense, 834350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * and/or sell copies of the Software, and to permit persons to whom the 934350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * Software is furnished to do so, subject to the following conditions: 1034350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * 1134350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * The above copyright notice and this permission notice (including the next 1234350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * paragraph) shall be included in all copies or substantial portions of the 1334350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * Software. 1434350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * 1534350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 1634350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 1734350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 1834350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 1934350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 2034350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 2134350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke * DEALINGS IN THE SOFTWARE. 2234350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke */ 23ac95f2f8c88d39aaa878f61172d9748af13e2c80Eric Anholt 2434350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke#include "ir_reader.h" 2534350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke#include "glsl_parser_extras.h" 2634350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke#include "glsl_types.h" 2734350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke#include "s_expression.h" 2834350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke 299a3df46fbcfbad10163686ae4c034a3a55116947Kenneth Graunkeconst static bool debug = false; 309a3df46fbcfbad10163686ae4c034a3a55116947Kenneth Graunke 31b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeclass ir_reader { 32b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkepublic: 33b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_reader(_mesa_glsl_parse_state *); 34b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke 35b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke void read(exec_list *instructions, const char *src, bool scan_for_protos); 36b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke 37b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeprivate: 38b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke void *mem_ctx; 39b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke _mesa_glsl_parse_state *state; 40b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke 41b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke void ir_read_error(s_expression *, const char *fmt, ...); 42b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke 43b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke const glsl_type *read_type(s_expression *); 44b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke 45b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke void scan_for_prototypes(exec_list *, s_expression *); 46b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_function *read_function(s_expression *, bool skip_body); 47b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke void read_function_sig(ir_function *, s_expression *, bool skip_body); 48b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke 49b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke void read_instructions(exec_list *, s_expression *, ir_loop *); 50b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_instruction *read_instruction(s_expression *, ir_loop *); 51b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_variable *read_declaration(s_expression *); 52b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_if *read_if(s_expression *, ir_loop *); 53b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_loop *read_loop(s_expression *); 54b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_return *read_return(s_expression *); 55b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *read_rvalue(s_expression *); 56b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_assignment *read_assignment(s_expression *); 57b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_expression *read_expression(s_expression *); 58b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_call *read_call(s_expression *); 59b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_swizzle *read_swizzle(s_expression *); 60b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_constant *read_constant(s_expression *); 61b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_texture *read_texture(s_expression *); 62b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke 63b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_dereference *read_dereference(s_expression *); 64b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke}; 65b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke 66b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::ir_reader(_mesa_glsl_parse_state *state) : state(state) 67b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke{ 68b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke this->mem_ctx = state; 69b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke} 70f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 7134350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunkevoid 7234350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke_mesa_glsl_read_ir(_mesa_glsl_parse_state *state, exec_list *instructions, 7343ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke const char *src, bool scan_for_protos) 7434350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke{ 75b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_reader r(state); 76b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke r.read(instructions, src, scan_for_protos); 77b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke} 78b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke 79b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkevoid 80b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read(exec_list *instructions, const char *src, bool scan_for_protos) 81b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke{ 82b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke s_expression *expr = s_expression::read_expression(mem_ctx, src); 8334350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke if (expr == NULL) { 84b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "couldn't parse S-Expression."); 8534350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke return; 8634350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke } 8734350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke 8843ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke if (scan_for_protos) { 89b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke scan_for_prototypes(instructions, expr); 9043ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke if (state->error) 9143ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke return; 9243ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke } 9309cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 94b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke read_instructions(instructions, expr, NULL); 95d3073f58c17d8675a2ecdd5dfa83e5520c78e1a8Kenneth Graunke ralloc_free(expr); 9679088746a231d361232fc87ab4d578b08c7ce2a7Kenneth Graunke 979a3df46fbcfbad10163686ae4c034a3a55116947Kenneth Graunke if (debug) 989a3df46fbcfbad10163686ae4c034a3a55116947Kenneth Graunke validate_ir_tree(instructions); 9934350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke} 10034350be2cdb0cb769657d5ce82bc37d906eb3eb5Kenneth Graunke 101b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkevoid 102b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::ir_read_error(s_expression *expr, const char *fmt, ...) 103f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke{ 104f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke va_list ap; 105f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 1064ec982fb86ae2476508d2027464241489243a170Kenneth Graunke state->error = true; 107f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 108a71b46a8ad344a86de2b13fe0c283ac2036c5f76Kenneth Graunke if (state->current_function != NULL) 109d3073f58c17d8675a2ecdd5dfa83e5520c78e1a8Kenneth Graunke ralloc_asprintf_append(&state->info_log, "In function %s:\n", 110d3073f58c17d8675a2ecdd5dfa83e5520c78e1a8Kenneth Graunke state->current_function->function_name()); 111d3073f58c17d8675a2ecdd5dfa83e5520c78e1a8Kenneth Graunke ralloc_strcat(&state->info_log, "error: "); 112f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 113f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke va_start(ap, fmt); 114d3073f58c17d8675a2ecdd5dfa83e5520c78e1a8Kenneth Graunke ralloc_vasprintf_append(&state->info_log, fmt, ap); 115f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke va_end(ap); 116d3073f58c17d8675a2ecdd5dfa83e5520c78e1a8Kenneth Graunke ralloc_strcat(&state->info_log, "\n"); 117f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 11846a223224c55eaed7bf634d901f733098e674457Kenneth Graunke if (expr != NULL) { 119d3073f58c17d8675a2ecdd5dfa83e5520c78e1a8Kenneth Graunke ralloc_strcat(&state->info_log, "...in this context:\n "); 12046a223224c55eaed7bf634d901f733098e674457Kenneth Graunke expr->print(); 121d3073f58c17d8675a2ecdd5dfa83e5520c78e1a8Kenneth Graunke ralloc_strcat(&state->info_log, "\n\n"); 12246a223224c55eaed7bf634d901f733098e674457Kenneth Graunke } 123f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke} 124f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 125b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeconst glsl_type * 126b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_type(s_expression *expr) 127f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke{ 128daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_base_type; 129daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_int *s_size; 130daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 131daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "array", s_base_type, s_size }; 132daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (MATCH(expr, pat)) { 133b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke const glsl_type *base_type = read_type(s_base_type); 134daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (base_type == NULL) { 135b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading base type of array type"); 136f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 137f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 13857944975427769b08e00f274ff4d9a3e9849a5a2Kenneth Graunke 139daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return glsl_type::get_array_instance(base_type, s_size->value()); 140f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 141f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 142f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke s_symbol *type_sym = SX_AS_SYMBOL(expr); 143f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (type_sym == NULL) { 144b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected <type>"); 145f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 146f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 147f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 148b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke const glsl_type *type = state->symbols->get_type(type_sym->value()); 149f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (type == NULL) 150b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "invalid type: %s", type_sym->value()); 151f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 152f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return type; 153f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke} 154f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 155d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 156b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkevoid 157b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::scan_for_prototypes(exec_list *instructions, s_expression *expr) 15809cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke{ 15909cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke s_list *list = SX_AS_LIST(expr); 16009cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke if (list == NULL) { 161b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "Expected (<instruction> ...); found an atom."); 16209cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke return; 16309cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 16409cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 16509cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke foreach_iter(exec_list_iterator, it, list->subexpressions) { 16609cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke s_list *sub = SX_AS_LIST(it.get()); 16709cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke if (sub == NULL) 16809cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke continue; // not a (function ...); ignore it. 16909cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 17009cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke s_symbol *tag = SX_AS_SYMBOL(sub->subexpressions.get_head()); 17109cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke if (tag == NULL || strcmp(tag->value(), "function") != 0) 17209cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke continue; // not a (function ...); ignore it. 17309cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 174b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_function *f = read_function(sub, true); 1758df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke if (f == NULL) 17609cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke return; 1778df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke instructions->push_tail(f); 17809cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 17909cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke} 18009cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 181b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_function * 182b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_function(s_expression *expr, bool skip_body) 18309cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke{ 184e024c5c6900c068634c2726d9ccfb9beac966c57Kenneth Graunke bool added = false; 185daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_symbol *name; 18609cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 187daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "function", name }; 188e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (!PARTIAL_MATCH(expr, pat)) { 189b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "Expected (function <name> (signature ...) ...)"); 1908df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke return NULL; 19109cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 19209cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 193b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_function *f = state->symbols->get_function(name->value()); 1948df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke if (f == NULL) { 195b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke f = new(mem_ctx) ir_function(name->value()); 196b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke added = state->symbols->add_function(f); 1978df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke assert(added); 19809cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 19909cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 200e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke exec_list_iterator it = ((s_list *) expr)->subexpressions.iterator(); 20109cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke it.next(); // skip "function" tag 20209cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke it.next(); // skip function name 20309cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke for (/* nothing */; it.has_next(); it.next()) { 204daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_sig = (s_expression *) it.get(); 205b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke read_function_sig(f, s_sig, skip_body); 20609cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 207e024c5c6900c068634c2726d9ccfb9beac966c57Kenneth Graunke return added ? f : NULL; 20809cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke} 20909cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 210b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkevoid 211b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_function_sig(ir_function *f, s_expression *expr, bool skip_body) 21209cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke{ 213daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *type_expr; 214daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_list *paramlist; 215daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_list *body_list; 216daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 217daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "signature", type_expr, paramlist, body_list }; 218daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (!MATCH(expr, pat)) { 219b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "Expected (signature <type> (parameters ...) " 220b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke "(<instruction> ...))"); 221b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke return; 22209cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 22309cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 224b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke const glsl_type *return_type = read_type(type_expr); 22509cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke if (return_type == NULL) 226b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke return; 22709cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 22809cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke s_symbol *paramtag = SX_AS_SYMBOL(paramlist->subexpressions.get_head()); 22909cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke if (paramtag == NULL || strcmp(paramtag->value(), "parameters") != 0) { 230b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(paramlist, "Expected (parameters ...)"); 231b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke return; 23209cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 23309cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 234b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke // Read the parameters list into a temporary place. 235b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke exec_list hir_parameters; 236b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke state->symbols->push_scope(); 2378df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke 23809cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke exec_list_iterator it = paramlist->subexpressions.iterator(); 23909cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke for (it.next() /* skip "parameters" */; it.has_next(); it.next()) { 240b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_variable *var = read_declaration((s_expression *) it.get()); 241b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke if (var == NULL) 242b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke return; 243b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke 244b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke hir_parameters.push_tail(var); 245b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke } 246b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke 247b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke ir_function_signature *sig = f->exact_matching_signature(&hir_parameters); 24843ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke if (sig == NULL && skip_body) { 24943ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke /* If scanning for prototypes, generate a new signature. */ 250b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke sig = new(mem_ctx) ir_function_signature(return_type); 251f412fac5b46eb274cbed8e62234d5dbfd859f1feKenneth Graunke sig->is_builtin = true; 25243ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke f->add_signature(sig); 25343ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke } else if (sig != NULL) { 254b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke const char *badvar = sig->qualifiers_match(&hir_parameters); 255b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke if (badvar != NULL) { 256b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "function `%s' parameter `%s' qualifiers " 257b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke "don't match prototype", f->name, badvar); 258b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke return; 25909cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 26009cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 261b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke if (sig->return_type != return_type) { 262b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "function `%s' return type doesn't " 263b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke "match prototype", f->name); 264b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke return; 265b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke } 266b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke } else { 26743ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke /* No prototype for this body exists - skip it. */ 268b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke state->symbols->pop_scope(); 26943ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke return; 27009cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 27143ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke assert(sig != NULL); 27209cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 273b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke sig->replace_parameters(&hir_parameters); 274b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke 275d802ba110f78c3eee9541867cde819ada1b2c449Kenneth Graunke if (!skip_body && !body_list->subexpressions.is_empty()) { 276b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke if (sig->is_defined) { 277b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "function %s redefined", f->name); 278b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke return; 279b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke } 280b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke state->current_function = sig; 281b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke read_instructions(&sig->body, body_list, NULL); 282b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke state->current_function = NULL; 283f6c90d8b3484864cd7f3abf895746e0655929a13Kenneth Graunke sig->is_defined = true; 284b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke } 2858df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke 286b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke state->symbols->pop_scope(); 28709cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke} 28809cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 289b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkevoid 290b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_instructions(exec_list *instructions, s_expression *expr, 291b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_loop *loop_ctx) 2923ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke{ 2933ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke // Read in a list of instructions 2943ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke s_list *list = SX_AS_LIST(expr); 2953ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke if (list == NULL) { 296b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "Expected (<instruction> ...); found an atom."); 2973ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke return; 2983ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke } 2993ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke 3003ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke foreach_iter(exec_list_iterator, it, list->subexpressions) { 3013ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke s_expression *sub = (s_expression*) it.get(); 302b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_instruction *ir = read_instruction(sub, loop_ctx); 3032809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke if (ir != NULL) { 3042809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke /* Global variable declarations should be moved to the top, before 3052809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke * any functions that might use them. Functions are added to the 3062809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke * instruction stream when scanning for prototypes, so without this 3072809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke * hack, they always appear before variable declarations. 3082809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke */ 309b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke if (state->current_function == NULL && ir->as_variable() != NULL) 3102809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke instructions->push_head(ir); 3112809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke else 3122809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke instructions->push_tail(ir); 3132809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke } 3143ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke } 3153ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke} 3163ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke 3173ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke 318b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_instruction * 319b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_instruction(s_expression *expr, ir_loop *loop_ctx) 320d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke{ 321396fa9eba65a764a475a1ff186a94f1a4038af8aKenneth Graunke s_symbol *symbol = SX_AS_SYMBOL(expr); 322396fa9eba65a764a475a1ff186a94f1a4038af8aKenneth Graunke if (symbol != NULL) { 323396fa9eba65a764a475a1ff186a94f1a4038af8aKenneth Graunke if (strcmp(symbol->value(), "break") == 0 && loop_ctx != NULL) 324b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_loop_jump(ir_loop_jump::jump_break); 325396fa9eba65a764a475a1ff186a94f1a4038af8aKenneth Graunke if (strcmp(symbol->value(), "continue") == 0 && loop_ctx != NULL) 326b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_loop_jump(ir_loop_jump::jump_continue); 327396fa9eba65a764a475a1ff186a94f1a4038af8aKenneth Graunke } 328396fa9eba65a764a475a1ff186a94f1a4038af8aKenneth Graunke 329d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke s_list *list = SX_AS_LIST(expr); 330e024c5c6900c068634c2726d9ccfb9beac966c57Kenneth Graunke if (list == NULL || list->subexpressions.is_empty()) { 331b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "Invalid instruction.\n"); 332d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke return NULL; 333e024c5c6900c068634c2726d9ccfb9beac966c57Kenneth Graunke } 334d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 335d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke s_symbol *tag = SX_AS_SYMBOL(list->subexpressions.get_head()); 336d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke if (tag == NULL) { 337b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected instruction tag"); 338d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke return NULL; 339d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } 340d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 341d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke ir_instruction *inst = NULL; 34246ef8f19d76b33446c2ce6e7f1379bd348fe7fe4Kenneth Graunke if (strcmp(tag->value(), "declare") == 0) { 343b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke inst = read_declaration(list); 3443c033637de7def553559c11d037f2e8bbb750f77Kenneth Graunke } else if (strcmp(tag->value(), "assign") == 0) { 345b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke inst = read_assignment(list); 34646ef8f19d76b33446c2ce6e7f1379bd348fe7fe4Kenneth Graunke } else if (strcmp(tag->value(), "if") == 0) { 347b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke inst = read_if(list, loop_ctx); 34832b305207cca7d8a084473f82f340e4b2fe188faKenneth Graunke } else if (strcmp(tag->value(), "loop") == 0) { 349b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke inst = read_loop(list); 35046ef8f19d76b33446c2ce6e7f1379bd348fe7fe4Kenneth Graunke } else if (strcmp(tag->value(), "return") == 0) { 351b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke inst = read_return(list); 3528df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke } else if (strcmp(tag->value(), "function") == 0) { 353b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke inst = read_function(list, false); 35446ef8f19d76b33446c2ce6e7f1379bd348fe7fe4Kenneth Graunke } else { 355b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke inst = read_rvalue(list); 35646ef8f19d76b33446c2ce6e7f1379bd348fe7fe4Kenneth Graunke if (inst == NULL) 357b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading instruction"); 35846ef8f19d76b33446c2ce6e7f1379bd348fe7fe4Kenneth Graunke } 359d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke return inst; 360d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke} 361d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 362b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_variable * 363b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_declaration(s_expression *expr) 364d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke{ 365daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_list *s_quals; 366daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_type; 367daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_symbol *s_name; 368daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 369daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "declare", s_quals, s_type, s_name }; 370e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (!MATCH(expr, pat)) { 371b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (declare (<qualifiers>) <type> <name>)"); 372d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke return NULL; 373d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } 374d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 375b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke const glsl_type *type = read_type(s_type); 376d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke if (type == NULL) 377d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke return NULL; 378d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 379b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_variable *var = new(mem_ctx) ir_variable(type, s_name->value(), 380b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_var_auto); 381d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 382daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke foreach_iter(exec_list_iterator, it, s_quals->subexpressions) { 383d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke s_symbol *qualifier = SX_AS_SYMBOL(it.get()); 384d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke if (qualifier == NULL) { 385b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "qualifier list must contain only symbols"); 386d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke return NULL; 387d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } 388d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 389d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke // FINISHME: Check for duplicate/conflicting qualifiers. 390d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke if (strcmp(qualifier->value(), "centroid") == 0) { 391d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke var->centroid = 1; 392d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } else if (strcmp(qualifier->value(), "invariant") == 0) { 393d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke var->invariant = 1; 394d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } else if (strcmp(qualifier->value(), "uniform") == 0) { 395d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke var->mode = ir_var_uniform; 396d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } else if (strcmp(qualifier->value(), "auto") == 0) { 397d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke var->mode = ir_var_auto; 398d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } else if (strcmp(qualifier->value(), "in") == 0) { 399d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke var->mode = ir_var_in; 400819d57fce94b20fa0d34da6f037f0a53c4a5bdc2Kenneth Graunke } else if (strcmp(qualifier->value(), "const_in") == 0) { 401819d57fce94b20fa0d34da6f037f0a53c4a5bdc2Kenneth Graunke var->mode = ir_var_const_in; 402d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } else if (strcmp(qualifier->value(), "out") == 0) { 403d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke var->mode = ir_var_out; 404d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } else if (strcmp(qualifier->value(), "inout") == 0) { 405d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke var->mode = ir_var_inout; 406d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } else if (strcmp(qualifier->value(), "smooth") == 0) { 407d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke var->interpolation = ir_var_smooth; 408d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } else if (strcmp(qualifier->value(), "flat") == 0) { 409d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke var->interpolation = ir_var_flat; 410d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } else if (strcmp(qualifier->value(), "noperspective") == 0) { 411d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke var->interpolation = ir_var_noperspective; 412d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } else { 413b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "unknown qualifier: %s", qualifier->value()); 414d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke return NULL; 415d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } 416d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } 417d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 418d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke // Add the variable to the symbol table 419b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke state->symbols->add_variable(var); 420d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 421d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke return var; 422d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke} 423d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 424d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 425b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_if * 426b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_if(s_expression *expr, ir_loop *loop_ctx) 4273ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke{ 428daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_cond; 429daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_then; 430daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_else; 431daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 432daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "if", s_cond, s_then, s_else }; 433e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (!MATCH(expr, pat)) { 434b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (if <condition> (<then>...) (<else>...))"); 4353ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke return NULL; 4363ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke } 4373ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke 438b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *condition = read_rvalue(s_cond); 4393ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke if (condition == NULL) { 440b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading condition of (if ...)"); 4413ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke return NULL; 4423ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke } 4433ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke 444b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_if *iff = new(mem_ctx) ir_if(condition); 4453ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke 446b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke read_instructions(&iff->then_instructions, s_then, loop_ctx); 447b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke read_instructions(&iff->else_instructions, s_else, loop_ctx); 448b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke if (state->error) { 4493ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke delete iff; 4503ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke iff = NULL; 4513ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke } 4523ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke return iff; 4533ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke} 4543ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke 4553ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke 456b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_loop * 457b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_loop(s_expression *expr) 45832b305207cca7d8a084473f82f340e4b2fe188faKenneth Graunke{ 459daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_counter, *s_from, *s_to, *s_inc, *s_body; 460daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 461daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "loop", s_counter, s_from, s_to, s_inc, s_body }; 462e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (!MATCH(expr, pat)) { 463b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (loop <counter> <from> <to> " 464b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke "<increment> <body>)"); 46532b305207cca7d8a084473f82f340e4b2fe188faKenneth Graunke return NULL; 46632b305207cca7d8a084473f82f340e4b2fe188faKenneth Graunke } 46732b305207cca7d8a084473f82f340e4b2fe188faKenneth Graunke 46832b305207cca7d8a084473f82f340e4b2fe188faKenneth Graunke // FINISHME: actually read the count/from/to fields. 46932b305207cca7d8a084473f82f340e4b2fe188faKenneth Graunke 470b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_loop *loop = new(mem_ctx) ir_loop; 471b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke read_instructions(&loop->body_instructions, s_body, loop); 472b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke if (state->error) { 47332b305207cca7d8a084473f82f340e4b2fe188faKenneth Graunke delete loop; 47432b305207cca7d8a084473f82f340e4b2fe188faKenneth Graunke loop = NULL; 47532b305207cca7d8a084473f82f340e4b2fe188faKenneth Graunke } 47632b305207cca7d8a084473f82f340e4b2fe188faKenneth Graunke return loop; 47732b305207cca7d8a084473f82f340e4b2fe188faKenneth Graunke} 47832b305207cca7d8a084473f82f340e4b2fe188faKenneth Graunke 47932b305207cca7d8a084473f82f340e4b2fe188faKenneth Graunke 480b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_return * 481b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_return(s_expression *expr) 4829d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke{ 483e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke s_expression *s_retval; 484daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 485f4830be938c8fa33086f73cab19a53ab3e14cb9cPaul Berry s_pattern return_value_pat[] = { "return", s_retval}; 486f4830be938c8fa33086f73cab19a53ab3e14cb9cPaul Berry s_pattern return_void_pat[] = { "return" }; 487f4830be938c8fa33086f73cab19a53ab3e14cb9cPaul Berry if (MATCH(expr, return_value_pat)) { 488f4830be938c8fa33086f73cab19a53ab3e14cb9cPaul Berry ir_rvalue *retval = read_rvalue(s_retval); 489f4830be938c8fa33086f73cab19a53ab3e14cb9cPaul Berry if (retval == NULL) { 490f4830be938c8fa33086f73cab19a53ab3e14cb9cPaul Berry ir_read_error(NULL, "when reading return value"); 491f4830be938c8fa33086f73cab19a53ab3e14cb9cPaul Berry return NULL; 492f4830be938c8fa33086f73cab19a53ab3e14cb9cPaul Berry } 493f4830be938c8fa33086f73cab19a53ab3e14cb9cPaul Berry return new(mem_ctx) ir_return(retval); 494f4830be938c8fa33086f73cab19a53ab3e14cb9cPaul Berry } else if (MATCH(expr, return_void_pat)) { 495f4830be938c8fa33086f73cab19a53ab3e14cb9cPaul Berry return new(mem_ctx) ir_return; 496f4830be938c8fa33086f73cab19a53ab3e14cb9cPaul Berry } else { 497f4830be938c8fa33086f73cab19a53ab3e14cb9cPaul Berry ir_read_error(expr, "expected (return <rvalue>) or (return)"); 4989d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke return NULL; 4999d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke } 5009d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke} 5019d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke 5029d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke 503b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_rvalue * 504b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_rvalue(s_expression *expr) 505f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke{ 506f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke s_list *list = SX_AS_LIST(expr); 507f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (list == NULL || list->subexpressions.is_empty()) 508f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 509f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 510f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke s_symbol *tag = SX_AS_SYMBOL(list->subexpressions.get_head()); 511f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (tag == NULL) { 512b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected rvalue tag"); 513f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 514f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 515f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 516b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *rvalue = read_dereference(list); 517b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke if (rvalue != NULL || state->error) 5183c7934bfaae5dff410cddba3ac6696a8911c0c68Kenneth Graunke return rvalue; 5193c7934bfaae5dff410cddba3ac6696a8911c0c68Kenneth Graunke else if (strcmp(tag->value(), "swiz") == 0) { 520b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke rvalue = read_swizzle(list); 521451381c220f145ac27a177c955dde30a9618fd00Kenneth Graunke } else if (strcmp(tag->value(), "expression") == 0) { 522b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke rvalue = read_expression(list); 523b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke } else if (strcmp(tag->value(), "call") == 0) { 524b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke rvalue = read_call(list); 525451381c220f145ac27a177c955dde30a9618fd00Kenneth Graunke } else if (strcmp(tag->value(), "constant") == 0) { 526b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke rvalue = read_constant(list); 527451381c220f145ac27a177c955dde30a9618fd00Kenneth Graunke } else { 528b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke rvalue = read_texture(list); 529b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke if (rvalue == NULL && !state->error) 530b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "unrecognized rvalue tag: %s", tag->value()); 531451381c220f145ac27a177c955dde30a9618fd00Kenneth Graunke } 532f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 533f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return rvalue; 534f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke} 535f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 536b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_assignment * 537b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_assignment(s_expression *expr) 538f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke{ 539bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke s_expression *cond_expr = NULL; 540bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke s_expression *lhs_expr, *rhs_expr; 541daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_list *mask_list; 542daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 543bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke s_pattern pat4[] = { "assign", mask_list, lhs_expr, rhs_expr }; 544bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke s_pattern pat5[] = { "assign", cond_expr, mask_list, lhs_expr, rhs_expr }; 545bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke if (!MATCH(expr, pat4) && !MATCH(expr, pat5)) { 546bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke ir_read_error(expr, "expected (assign [<condition>] (<write mask>) " 547b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke "<lhs> <rhs>)"); 548f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 549f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 550f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 551bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke ir_rvalue *condition = NULL; 552bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke if (cond_expr != NULL) { 553bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke condition = read_rvalue(cond_expr); 554bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke if (condition == NULL) { 555bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke ir_read_error(NULL, "when reading condition of assignment"); 556bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke return NULL; 557bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke } 558f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 559f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 56003a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke unsigned mask = 0; 56103a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke 562daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_symbol *mask_symbol; 563daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern mask_pat[] = { mask_symbol }; 564daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (MATCH(mask_list, mask_pat)) { 56503a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke const char *mask_str = mask_symbol->value(); 56603a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke unsigned mask_length = strlen(mask_str); 56703a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke if (mask_length > 4) { 568b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "invalid write mask: %s", mask_str); 56903a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke return NULL; 57003a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke } 57103a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke 57203a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke const unsigned idx_map[] = { 3, 0, 1, 2 }; /* w=bit 3, x=0, y=1, z=2 */ 57303a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke 57403a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke for (unsigned i = 0; i < mask_length; i++) { 57503a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke if (mask_str[i] < 'w' || mask_str[i] > 'z') { 576b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "write mask contains invalid character: %c", 57703a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke mask_str[i]); 57803a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke return NULL; 57903a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke } 58003a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke mask |= 1 << idx_map[mask_str[i] - 'w']; 58103a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke } 582daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke } else if (!mask_list->subexpressions.is_empty()) { 583b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(mask_list, "expected () or (<write mask>)"); 584daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 58503a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke } 58603a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke 587b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_dereference *lhs = read_dereference(lhs_expr); 588f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (lhs == NULL) { 589b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading left-hand side of assignment"); 590f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 591f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 592f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 593b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *rhs = read_rvalue(rhs_expr); 594f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (rhs == NULL) { 595b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading right-hand side of assignment"); 596f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 597f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 598f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 59903a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke if (mask == 0 && (lhs->type->is_vector() || lhs->type->is_scalar())) { 600b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "non-zero write mask required."); 60103a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke return NULL; 60203a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke } 60303a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke 604b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_assignment(lhs, rhs, condition, mask); 605f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke} 606f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 607b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_call * 608b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_call(s_expression *expr) 609b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke{ 610daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_symbol *name; 611daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_list *params; 612b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke 613daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "call", name, params }; 614e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (!MATCH(expr, pat)) { 615b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (call <name> (<param> ...))"); 616b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke return NULL; 617b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke } 618b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke 619b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke exec_list parameters; 620b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke 621b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke foreach_iter(exec_list_iterator, it, params->subexpressions) { 622b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke s_expression *expr = (s_expression*) it.get(); 623b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *param = read_rvalue(expr); 624b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke if (param == NULL) { 625b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "when reading parameter to function call"); 626b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke return NULL; 627b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke } 628b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke parameters.push_tail(param); 629b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke } 630b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke 631b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_function *f = state->symbols->get_function(name->value()); 632b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke if (f == NULL) { 633b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "found call to undefined function %s", 634b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke name->value()); 635b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke return NULL; 636b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke } 637b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke 6381f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt ir_function_signature *callee = f->matching_signature(¶meters); 639b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke if (callee == NULL) { 640b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "couldn't find matching signature for function " 641b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke "%s", name->value()); 642b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke return NULL; 643b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke } 644b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke 645b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_call(callee, ¶meters); 646b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke} 647f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 648b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_expression * 649b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_expression(s_expression *expr) 650f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke{ 651daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_type; 652daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_symbol *s_op; 653daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_arg1; 654daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 655daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "expression", s_type, s_op, s_arg1 }; 656e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (!PARTIAL_MATCH(expr, pat)) { 657b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (expression <type> <operator> " 658b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke "<operand> [<operand>])"); 659f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 660f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 661daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_arg2 = (s_expression *) s_arg1->next; // may be tail sentinel 662f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 663b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke const glsl_type *type = read_type(s_type); 664f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (type == NULL) 665f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 666f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 667f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke /* Read the operator */ 668daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke ir_expression_operation op = ir_expression::get_operator(s_op->value()); 669f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (op == (ir_expression_operation) -1) { 670b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "invalid operator: %s", s_op->value()); 671f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 672f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 673f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 674daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke unsigned num_operands = ir_expression::get_num_operands(op); 675daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (num_operands == 1 && !s_arg1->next->is_tail_sentinel()) { 676b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (expression <type> %s <operand>)", 677daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_op->value()); 678daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 679f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 680f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 681b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *arg1 = read_rvalue(s_arg1); 682daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke ir_rvalue *arg2 = NULL; 683f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (arg1 == NULL) { 684b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading first operand of %s", s_op->value()); 685f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 686f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 687f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 688daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (num_operands == 2) { 689daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (s_arg2->is_tail_sentinel() || !s_arg2->next->is_tail_sentinel()) { 690b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (expression <type> %s <operand> " 691b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke "<operand>)", s_op->value()); 692daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 693daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke } 694b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke arg2 = read_rvalue(s_arg2); 695f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (arg2 == NULL) { 696b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading second operand of %s", 697daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_op->value()); 698f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 699f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 700f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 701f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 702b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_expression(op, type, arg1, arg2); 703f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke} 704f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 705b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_swizzle * 706b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_swizzle(s_expression *expr) 707f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke{ 708daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_symbol *swiz; 709daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *sub; 710f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 711daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "swiz", swiz, sub }; 712e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (!MATCH(expr, pat)) { 713b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (swiz <swizzle> <rvalue>)"); 714f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 715f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 716f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 717951632253f4f37ce058e2466bca5b96bb43ccfbfKenneth Graunke if (strlen(swiz->value()) > 4) { 718b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected a valid swizzle; found %s", swiz->value()); 719f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 720f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 721f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 722b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *rvalue = read_rvalue(sub); 723f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (rvalue == NULL) 724f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 725f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 726bf783ecea69c6b4a3fb5f616e91707cf6d806040Kenneth Graunke ir_swizzle *ir = ir_swizzle::create(rvalue, swiz->value(), 727bf783ecea69c6b4a3fb5f616e91707cf6d806040Kenneth Graunke rvalue->type->vector_elements); 728bf783ecea69c6b4a3fb5f616e91707cf6d806040Kenneth Graunke if (ir == NULL) 729b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "invalid swizzle"); 730bf783ecea69c6b4a3fb5f616e91707cf6d806040Kenneth Graunke 731bf783ecea69c6b4a3fb5f616e91707cf6d806040Kenneth Graunke return ir; 732f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke} 733f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 734b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_constant * 735b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_constant(s_expression *expr) 736f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke{ 737daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *type_expr; 738daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_list *values; 739daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 740daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "constant", type_expr, values }; 741e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (!MATCH(expr, pat)) { 742b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (constant <type> (...))"); 743f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 744f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 745f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 746b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke const glsl_type *type = read_type(type_expr); 747f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (type == NULL) 748f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 749f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 750f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (values == NULL) { 751b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (constant <type> (...))"); 752f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 753f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 754f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 755ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke if (type->is_array()) { 756d7988152722cd5f3930064a139b567cbcb0e5f53Kenneth Graunke unsigned elements_supplied = 0; 757ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke exec_list elements; 758ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke foreach_iter(exec_list_iterator, it, values->subexpressions) { 759e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke s_expression *elt = (s_expression *) it.get(); 760b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_constant *ir_elt = read_constant(elt); 761ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke if (ir_elt == NULL) 762ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke return NULL; 763ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke elements.push_tail(ir_elt); 764d7988152722cd5f3930064a139b567cbcb0e5f53Kenneth Graunke elements_supplied++; 765d7988152722cd5f3930064a139b567cbcb0e5f53Kenneth Graunke } 766d7988152722cd5f3930064a139b567cbcb0e5f53Kenneth Graunke 767d7988152722cd5f3930064a139b567cbcb0e5f53Kenneth Graunke if (elements_supplied != type->length) { 768b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(values, "expected exactly %u array elements, " 769d7988152722cd5f3930064a139b567cbcb0e5f53Kenneth Graunke "given %u", type->length, elements_supplied); 770d7988152722cd5f3930064a139b567cbcb0e5f53Kenneth Graunke return NULL; 771ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke } 772b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_constant(type, &elements); 773ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke } 774ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke 775f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke const glsl_type *const base_type = type->get_base_type(); 776f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 777b43611b79c1f0a5caff80c17c9e7840a718f07c9Vinson Lee ir_constant_data data = { { 0 } }; 778f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 779f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke // Read in list of values (at most 16). 780f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke int k = 0; 781f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke foreach_iter(exec_list_iterator, it, values->subexpressions) { 782f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (k >= 16) { 783b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(values, "expected at most 16 numbers"); 784f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 785f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 786f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 787f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke s_expression *expr = (s_expression*) it.get(); 788f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 789f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (base_type->base_type == GLSL_TYPE_FLOAT) { 790f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke s_number *value = SX_AS_NUMBER(expr); 791f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (value == NULL) { 792b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(values, "expected numbers"); 793f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 794f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 7954976e57448b2d4ca753e95ef2162758542a69a77Ian Romanick data.f[k] = value->fvalue(); 796f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } else { 797f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke s_int *value = SX_AS_INT(expr); 798f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (value == NULL) { 799b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(values, "expected integers"); 800f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 801f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 802f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 803f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke switch (base_type->base_type) { 804f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke case GLSL_TYPE_UINT: { 8054976e57448b2d4ca753e95ef2162758542a69a77Ian Romanick data.u[k] = value->value(); 806f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke break; 807f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 808f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke case GLSL_TYPE_INT: { 8094976e57448b2d4ca753e95ef2162758542a69a77Ian Romanick data.i[k] = value->value(); 810f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke break; 811f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 812f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke case GLSL_TYPE_BOOL: { 8134976e57448b2d4ca753e95ef2162758542a69a77Ian Romanick data.b[k] = value->value(); 814f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke break; 815f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 816f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke default: 817b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(values, "unsupported constant type"); 818f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 819f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 820f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 821f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke ++k; 822f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 8234976e57448b2d4ca753e95ef2162758542a69a77Ian Romanick 824b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_constant(type, &data); 825f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke} 826451381c220f145ac27a177c955dde30a9618fd00Kenneth Graunke 827b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_dereference * 828b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_dereference(s_expression *expr) 8293c7934bfaae5dff410cddba3ac6696a8911c0c68Kenneth Graunke{ 830ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke s_symbol *s_var; 831ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke s_expression *s_subject; 832ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke s_expression *s_index; 833ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke s_symbol *s_field; 834ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke 835ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke s_pattern var_pat[] = { "var_ref", s_var }; 836ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke s_pattern array_pat[] = { "array_ref", s_subject, s_index }; 837ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke s_pattern record_pat[] = { "record_ref", s_subject, s_field }; 838ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke 839ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke if (MATCH(expr, var_pat)) { 840b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_variable *var = state->symbols->get_variable(s_var->value()); 841ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke if (var == NULL) { 842b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "undeclared variable: %s", s_var->value()); 843ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke return NULL; 844ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke } 845b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_dereference_variable(var); 846ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke } else if (MATCH(expr, array_pat)) { 847b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *subject = read_rvalue(s_subject); 848ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke if (subject == NULL) { 849b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading the subject of an array_ref"); 850ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke return NULL; 851ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke } 85213e1b6b725def5a22952ecd4e2e8b1e61cb3bcfaKenneth Graunke 853b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *idx = read_rvalue(s_index); 854ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke if (subject == NULL) { 855b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading the index of an array_ref"); 856ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke return NULL; 857ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke } 858b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_dereference_array(subject, idx); 859ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke } else if (MATCH(expr, record_pat)) { 860b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *subject = read_rvalue(s_subject); 861ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke if (subject == NULL) { 862b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading the subject of a record_ref"); 863ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke return NULL; 864ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke } 865b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_dereference_record(subject, s_field->value()); 86613e1b6b725def5a22952ecd4e2e8b1e61cb3bcfaKenneth Graunke } 867ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke return NULL; 868451381c220f145ac27a177c955dde30a9618fd00Kenneth Graunke} 869dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 870b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_texture * 871b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_texture(s_expression *expr) 872dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke{ 873daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_symbol *tag = NULL; 874233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke s_expression *s_type = NULL; 875daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_sampler = NULL; 876daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_coord = NULL; 877c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke s_expression *s_offset = NULL; 878daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_proj = NULL; 879daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_list *s_shadow = NULL; 880daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_lod = NULL; 881daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 8829f2bf3d65cf0745a34185c1966d52389fbd1ca90Brian Paul ir_texture_opcode op = ir_tex; /* silence warning */ 883daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 884daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern tex_pattern[] = 885233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke { "tex", s_type, s_sampler, s_coord, s_offset, s_proj, s_shadow }; 886daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern txf_pattern[] = 887233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke { "txf", s_type, s_sampler, s_coord, s_offset, s_lod }; 888daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern other_pattern[] = 889233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke { tag, s_type, s_sampler, s_coord, s_offset, s_proj, s_shadow, s_lod }; 890daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 891e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (MATCH(expr, tex_pattern)) { 892daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke op = ir_tex; 893e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke } else if (MATCH(expr, txf_pattern)) { 894daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke op = ir_txf; 895e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke } else if (MATCH(expr, other_pattern)) { 896daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke op = ir_texture::get_opcode(tag->value()); 897daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (op == -1) 898daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 8999f2bf3d65cf0745a34185c1966d52389fbd1ca90Brian Paul } else { 9009f2bf3d65cf0745a34185c1966d52389fbd1ca90Brian Paul ir_read_error(NULL, "unexpected texture pattern"); 9019f2bf3d65cf0745a34185c1966d52389fbd1ca90Brian Paul return NULL; 902dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 903dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 904b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_texture *tex = new(mem_ctx) ir_texture(op); 905dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 906233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke // Read return type 907233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke const glsl_type *type = read_type(s_type); 908233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke if (type == NULL) { 909233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke ir_read_error(NULL, "when reading type in (%s ...)", 910233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke tex->opcode_string()); 911233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke return NULL; 912233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke } 913233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke 914dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke // Read sampler (must be a deref) 915b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_dereference *sampler = read_dereference(s_sampler); 91656d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke if (sampler == NULL) { 917b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading sampler in (%s ...)", 918daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke tex->opcode_string()); 919dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke return NULL; 920dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 921233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke tex->set_sampler(sampler, type); 922dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 923dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke // Read coordinate (any rvalue) 924b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke tex->coordinate = read_rvalue(s_coord); 925dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke if (tex->coordinate == NULL) { 926b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading coordinate in (%s ...)", 927daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke tex->opcode_string()); 928dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke return NULL; 929dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 930dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 931c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke // Read texel offset - either 0 or an rvalue. 932c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke s_int *si_offset = SX_AS_INT(s_offset); 933c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke if (si_offset == NULL || si_offset->value() != 0) { 934c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke tex->offset = read_rvalue(s_offset); 935c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke if (tex->offset == NULL) { 936c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke ir_read_error(s_offset, "expected 0 or an expression"); 937c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke return NULL; 938c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke } 939dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 940dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 941daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (op != ir_txf) { 942daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_int *proj_as_int = SX_AS_INT(s_proj); 943dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke if (proj_as_int && proj_as_int->value() == 1) { 944dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke tex->projector = NULL; 945dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } else { 946b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke tex->projector = read_rvalue(s_proj); 947dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke if (tex->projector == NULL) { 948b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading projective divide in (%s ..)", 949daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke tex->opcode_string()); 950dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke return NULL; 951dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 952dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 953dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 954daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (s_shadow->subexpressions.is_empty()) { 955daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke tex->shadow_comparitor = NULL; 956dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } else { 957b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke tex->shadow_comparitor = read_rvalue(s_shadow); 958dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke if (tex->shadow_comparitor == NULL) { 959b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading shadow comparitor in (%s ..)", 960daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke tex->opcode_string()); 961dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke return NULL; 962dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 963dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 964daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke } 965dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 966daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke switch (op) { 967daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke case ir_txb: 968b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke tex->lod_info.bias = read_rvalue(s_lod); 969daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (tex->lod_info.bias == NULL) { 970b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading LOD bias in (txb ...)"); 971daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 972daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke } 973daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke break; 974daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke case ir_txl: 975daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke case ir_txf: 976b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke tex->lod_info.lod = read_rvalue(s_lod); 977daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (tex->lod_info.lod == NULL) { 978b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading LOD in (%s ...)", 979daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke tex->opcode_string()); 980daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 981daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke } 982daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke break; 983daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke case ir_txd: { 984daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_dx, *s_dy; 985daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern dxdy_pat[] = { s_dx, s_dy }; 986daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (!MATCH(s_lod, dxdy_pat)) { 987b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(s_lod, "expected (dPdx dPdy) in (txd ...)"); 988daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 989daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke } 990b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke tex->lod_info.grad.dPdx = read_rvalue(s_dx); 991daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (tex->lod_info.grad.dPdx == NULL) { 992b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading dPdx in (txd ...)"); 993daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 994daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke } 995b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke tex->lod_info.grad.dPdy = read_rvalue(s_dy); 996daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (tex->lod_info.grad.dPdy == NULL) { 997b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading dPdy in (txd ...)"); 998daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 999dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 1000daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke break; 1001dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 1002daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke default: 1003daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke // tex doesn't have any extra parameters. 1004daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke break; 1005daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke }; 1006dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke return tex; 1007dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke} 1008