ir_reader.cpp revision 9f2bf3d65cf0745a34185c1966d52389fbd1ca90
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); 9578062273de65bf8133f2550aa2a26040a82a65aaKenneth Graunke talloc_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) 109a71b46a8ad344a86de2b13fe0c283ac2036c5f76Kenneth Graunke state->info_log = talloc_asprintf_append(state->info_log, 110a71b46a8ad344a86de2b13fe0c283ac2036c5f76Kenneth Graunke "In function %s:\n", 111a71b46a8ad344a86de2b13fe0c283ac2036c5f76Kenneth Graunke state->current_function->function_name()); 112b2ba6fac09df1f06161a7ea1ef1f25bb9fbe8a5aKenneth Graunke state->info_log = talloc_strdup_append(state->info_log, "error: "); 113f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 114f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke va_start(ap, fmt); 115b2ba6fac09df1f06161a7ea1ef1f25bb9fbe8a5aKenneth Graunke state->info_log = talloc_vasprintf_append(state->info_log, fmt, ap); 116f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke va_end(ap); 117b2ba6fac09df1f06161a7ea1ef1f25bb9fbe8a5aKenneth Graunke state->info_log = talloc_strdup_append(state->info_log, "\n"); 118f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 11946a223224c55eaed7bf634d901f733098e674457Kenneth Graunke if (expr != NULL) { 120b2ba6fac09df1f06161a7ea1ef1f25bb9fbe8a5aKenneth Graunke state->info_log = talloc_strdup_append(state->info_log, 121b2ba6fac09df1f06161a7ea1ef1f25bb9fbe8a5aKenneth Graunke "...in this context:\n "); 12246a223224c55eaed7bf634d901f733098e674457Kenneth Graunke expr->print(); 123b2ba6fac09df1f06161a7ea1ef1f25bb9fbe8a5aKenneth Graunke state->info_log = talloc_strdup_append(state->info_log, "\n\n"); 12446a223224c55eaed7bf634d901f733098e674457Kenneth Graunke } 125f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke} 126f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 127b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeconst glsl_type * 128b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_type(s_expression *expr) 129f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke{ 130daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_base_type; 131daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_int *s_size; 132daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 133daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "array", s_base_type, s_size }; 134daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (MATCH(expr, pat)) { 135b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke const glsl_type *base_type = read_type(s_base_type); 136daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (base_type == NULL) { 137b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading base type of array type"); 138f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 139f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 14057944975427769b08e00f274ff4d9a3e9849a5a2Kenneth Graunke 141daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return glsl_type::get_array_instance(base_type, s_size->value()); 142f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 143f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 144f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke s_symbol *type_sym = SX_AS_SYMBOL(expr); 145f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (type_sym == NULL) { 146b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected <type>"); 147f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 148f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 149f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 150b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke const glsl_type *type = state->symbols->get_type(type_sym->value()); 151f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (type == NULL) 152b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "invalid type: %s", type_sym->value()); 153f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 154f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return type; 155f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke} 156f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 157d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 158b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkevoid 159b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::scan_for_prototypes(exec_list *instructions, s_expression *expr) 16009cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke{ 16109cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke s_list *list = SX_AS_LIST(expr); 16209cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke if (list == NULL) { 163b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "Expected (<instruction> ...); found an atom."); 16409cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke return; 16509cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 16609cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 16709cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke foreach_iter(exec_list_iterator, it, list->subexpressions) { 16809cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke s_list *sub = SX_AS_LIST(it.get()); 16909cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke if (sub == NULL) 17009cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke continue; // not a (function ...); ignore it. 17109cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 17209cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke s_symbol *tag = SX_AS_SYMBOL(sub->subexpressions.get_head()); 17309cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke if (tag == NULL || strcmp(tag->value(), "function") != 0) 17409cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke continue; // not a (function ...); ignore it. 17509cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 176b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_function *f = read_function(sub, true); 1778df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke if (f == NULL) 17809cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke return; 1798df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke instructions->push_tail(f); 18009cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 18109cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke} 18209cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 183b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_function * 184b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_function(s_expression *expr, bool skip_body) 18509cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke{ 186e024c5c6900c068634c2726d9ccfb9beac966c57Kenneth Graunke bool added = false; 187daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_symbol *name; 18809cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 189daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "function", name }; 190e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (!PARTIAL_MATCH(expr, pat)) { 191b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "Expected (function <name> (signature ...) ...)"); 1928df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke return NULL; 19309cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 19409cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 195b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_function *f = state->symbols->get_function(name->value()); 1968df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke if (f == NULL) { 197b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke f = new(mem_ctx) ir_function(name->value()); 198b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke added = state->symbols->add_function(f); 1998df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke assert(added); 20009cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 20109cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 202e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke exec_list_iterator it = ((s_list *) expr)->subexpressions.iterator(); 20309cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke it.next(); // skip "function" tag 20409cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke it.next(); // skip function name 20509cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke for (/* nothing */; it.has_next(); it.next()) { 206daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_sig = (s_expression *) it.get(); 207b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke read_function_sig(f, s_sig, skip_body); 20809cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 209e024c5c6900c068634c2726d9ccfb9beac966c57Kenneth Graunke return added ? f : NULL; 21009cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke} 21109cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 212b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkevoid 213b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_function_sig(ir_function *f, s_expression *expr, bool skip_body) 21409cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke{ 215daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *type_expr; 216daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_list *paramlist; 217daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_list *body_list; 218daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 219daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "signature", type_expr, paramlist, body_list }; 220daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (!MATCH(expr, pat)) { 221b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "Expected (signature <type> (parameters ...) " 222b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke "(<instruction> ...))"); 223b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke return; 22409cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 22509cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 226b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke const glsl_type *return_type = read_type(type_expr); 22709cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke if (return_type == NULL) 228b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke return; 22909cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 23009cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke s_symbol *paramtag = SX_AS_SYMBOL(paramlist->subexpressions.get_head()); 23109cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke if (paramtag == NULL || strcmp(paramtag->value(), "parameters") != 0) { 232b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(paramlist, "Expected (parameters ...)"); 233b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke return; 23409cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 23509cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 236b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke // Read the parameters list into a temporary place. 237b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke exec_list hir_parameters; 238b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke state->symbols->push_scope(); 2398df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke 24009cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke exec_list_iterator it = paramlist->subexpressions.iterator(); 24109cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke for (it.next() /* skip "parameters" */; it.has_next(); it.next()) { 242b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_variable *var = read_declaration((s_expression *) it.get()); 243b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke if (var == NULL) 244b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke return; 245b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke 246b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke hir_parameters.push_tail(var); 247b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke } 248b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke 249b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke ir_function_signature *sig = f->exact_matching_signature(&hir_parameters); 25043ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke if (sig == NULL && skip_body) { 25143ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke /* If scanning for prototypes, generate a new signature. */ 252b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke sig = new(mem_ctx) ir_function_signature(return_type); 253f412fac5b46eb274cbed8e62234d5dbfd859f1feKenneth Graunke sig->is_builtin = true; 25443ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke f->add_signature(sig); 25543ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke } else if (sig != NULL) { 256b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke const char *badvar = sig->qualifiers_match(&hir_parameters); 257b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke if (badvar != NULL) { 258b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "function `%s' parameter `%s' qualifiers " 259b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke "don't match prototype", f->name, badvar); 260b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke return; 26109cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 26209cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 263b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke if (sig->return_type != return_type) { 264b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "function `%s' return type doesn't " 265b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke "match prototype", f->name); 266b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke return; 267b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke } 268b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke } else { 26943ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke /* No prototype for this body exists - skip it. */ 270b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke state->symbols->pop_scope(); 27143ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke return; 27209cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke } 27343ff8f1a4b90554eae489cebb7e05f983dd9ad66Kenneth Graunke assert(sig != NULL); 27409cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 275b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke sig->replace_parameters(&hir_parameters); 276b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke 277d802ba110f78c3eee9541867cde819ada1b2c449Kenneth Graunke if (!skip_body && !body_list->subexpressions.is_empty()) { 278b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke if (sig->is_defined) { 279b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "function %s redefined", f->name); 280b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke return; 281b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke } 282b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke state->current_function = sig; 283b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke read_instructions(&sig->body, body_list, NULL); 284b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke state->current_function = NULL; 285f6c90d8b3484864cd7f3abf895746e0655929a13Kenneth Graunke sig->is_defined = true; 286b142aeeb20f1b1d5f3752b973ecb0da61e7a574eKenneth Graunke } 2878df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke 288b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke state->symbols->pop_scope(); 28909cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke} 29009cad1339d8e6eebe5b13d95a9e1d2a1da2fce29Kenneth Graunke 291b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkevoid 292b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_instructions(exec_list *instructions, s_expression *expr, 293b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_loop *loop_ctx) 2943ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke{ 2953ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke // Read in a list of instructions 2963ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke s_list *list = SX_AS_LIST(expr); 2973ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke if (list == NULL) { 298b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "Expected (<instruction> ...); found an atom."); 2993ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke return; 3003ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke } 3013ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke 3023ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke foreach_iter(exec_list_iterator, it, list->subexpressions) { 3033ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke s_expression *sub = (s_expression*) it.get(); 304b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_instruction *ir = read_instruction(sub, loop_ctx); 3052809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke if (ir != NULL) { 3062809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke /* Global variable declarations should be moved to the top, before 3072809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke * any functions that might use them. Functions are added to the 3082809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke * instruction stream when scanning for prototypes, so without this 3092809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke * hack, they always appear before variable declarations. 3102809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke */ 311b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke if (state->current_function == NULL && ir->as_variable() != NULL) 3122809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke instructions->push_head(ir); 3132809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke else 3142809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke instructions->push_tail(ir); 3152809d707231fba0e91abe1dd32e9f2d3284b9d3aKenneth Graunke } 3163ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke } 3173ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke} 3183ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke 3193ea0582803ea3070a1856455137daef9ddd86cb9Kenneth Graunke 320b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_instruction * 321b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_instruction(s_expression *expr, ir_loop *loop_ctx) 322d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke{ 323396fa9eba65a764a475a1ff186a94f1a4038af8aKenneth Graunke s_symbol *symbol = SX_AS_SYMBOL(expr); 324396fa9eba65a764a475a1ff186a94f1a4038af8aKenneth Graunke if (symbol != NULL) { 325396fa9eba65a764a475a1ff186a94f1a4038af8aKenneth Graunke if (strcmp(symbol->value(), "break") == 0 && loop_ctx != NULL) 326b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_loop_jump(ir_loop_jump::jump_break); 327396fa9eba65a764a475a1ff186a94f1a4038af8aKenneth Graunke if (strcmp(symbol->value(), "continue") == 0 && loop_ctx != NULL) 328b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_loop_jump(ir_loop_jump::jump_continue); 329396fa9eba65a764a475a1ff186a94f1a4038af8aKenneth Graunke } 330396fa9eba65a764a475a1ff186a94f1a4038af8aKenneth Graunke 331d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke s_list *list = SX_AS_LIST(expr); 332e024c5c6900c068634c2726d9ccfb9beac966c57Kenneth Graunke if (list == NULL || list->subexpressions.is_empty()) { 333b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "Invalid instruction.\n"); 334d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke return NULL; 335e024c5c6900c068634c2726d9ccfb9beac966c57Kenneth Graunke } 336d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 337d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke s_symbol *tag = SX_AS_SYMBOL(list->subexpressions.get_head()); 338d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke if (tag == NULL) { 339b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected instruction tag"); 340d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke return NULL; 341d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } 342d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 343d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke ir_instruction *inst = NULL; 34446ef8f19d76b33446c2ce6e7f1379bd348fe7fe4Kenneth Graunke if (strcmp(tag->value(), "declare") == 0) { 345b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke inst = read_declaration(list); 3463c033637de7def553559c11d037f2e8bbb750f77Kenneth Graunke } else if (strcmp(tag->value(), "assign") == 0) { 347b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke inst = read_assignment(list); 34846ef8f19d76b33446c2ce6e7f1379bd348fe7fe4Kenneth Graunke } else if (strcmp(tag->value(), "if") == 0) { 349b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke inst = read_if(list, loop_ctx); 35032b305207cca7d8a084473f82f340e4b2fe188faKenneth Graunke } else if (strcmp(tag->value(), "loop") == 0) { 351b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke inst = read_loop(list); 35246ef8f19d76b33446c2ce6e7f1379bd348fe7fe4Kenneth Graunke } else if (strcmp(tag->value(), "return") == 0) { 353b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke inst = read_return(list); 3548df335d7f9ab8b3699c312f2b4b42be2e8eeba27Kenneth Graunke } else if (strcmp(tag->value(), "function") == 0) { 355b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke inst = read_function(list, false); 35646ef8f19d76b33446c2ce6e7f1379bd348fe7fe4Kenneth Graunke } else { 357b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke inst = read_rvalue(list); 35846ef8f19d76b33446c2ce6e7f1379bd348fe7fe4Kenneth Graunke if (inst == NULL) 359b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading instruction"); 36046ef8f19d76b33446c2ce6e7f1379bd348fe7fe4Kenneth Graunke } 361d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke return inst; 362d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke} 363d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 364b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_variable * 365b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_declaration(s_expression *expr) 366d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke{ 367daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_list *s_quals; 368daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_type; 369daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_symbol *s_name; 370daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 371daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "declare", s_quals, s_type, s_name }; 372e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (!MATCH(expr, pat)) { 373b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (declare (<qualifiers>) <type> <name>)"); 374d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke return NULL; 375d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } 376d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 377b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke const glsl_type *type = read_type(s_type); 378d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke if (type == NULL) 379d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke return NULL; 380d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 381b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_variable *var = new(mem_ctx) ir_variable(type, s_name->value(), 382b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_var_auto); 383d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 384daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke foreach_iter(exec_list_iterator, it, s_quals->subexpressions) { 385d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke s_symbol *qualifier = SX_AS_SYMBOL(it.get()); 386d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke if (qualifier == NULL) { 387b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "qualifier list must contain only symbols"); 388d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke return NULL; 389d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } 390d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke 391d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke // FINISHME: Check for duplicate/conflicting qualifiers. 392d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke if (strcmp(qualifier->value(), "centroid") == 0) { 393d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke var->centroid = 1; 394d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } else if (strcmp(qualifier->value(), "invariant") == 0) { 395d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke var->invariant = 1; 396d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } else if (strcmp(qualifier->value(), "uniform") == 0) { 397d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke var->mode = ir_var_uniform; 398d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } else if (strcmp(qualifier->value(), "auto") == 0) { 399d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke var->mode = ir_var_auto; 400d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke } else if (strcmp(qualifier->value(), "in") == 0) { 401d1d2ada3c6bdf5a99c07147c157da75f07100847Kenneth Graunke var->mode = ir_var_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 485e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke s_pattern pat[] = { "return", s_retval}; 486e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (!MATCH(expr, pat)) { 487b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (return <rvalue>)"); 4889d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke return NULL; 4899d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke } 4909d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke 491b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *retval = read_rvalue(s_retval); 4929d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke if (retval == NULL) { 493b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading return value"); 4949d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke return NULL; 4959d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke } 4969d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke 497b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_return(retval); 4989d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke} 4999d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke 5009d2ff7617a08fa1dc26c7661e813b0d6cb8acc2bKenneth Graunke 501b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_rvalue * 502b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_rvalue(s_expression *expr) 503f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke{ 504f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke s_list *list = SX_AS_LIST(expr); 505f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (list == NULL || list->subexpressions.is_empty()) 506f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 507f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 508f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke s_symbol *tag = SX_AS_SYMBOL(list->subexpressions.get_head()); 509f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (tag == NULL) { 510b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected rvalue tag"); 511f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 512f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 513f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 514b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *rvalue = read_dereference(list); 515b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke if (rvalue != NULL || state->error) 5163c7934bfaae5dff410cddba3ac6696a8911c0c68Kenneth Graunke return rvalue; 5173c7934bfaae5dff410cddba3ac6696a8911c0c68Kenneth Graunke else if (strcmp(tag->value(), "swiz") == 0) { 518b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke rvalue = read_swizzle(list); 519451381c220f145ac27a177c955dde30a9618fd00Kenneth Graunke } else if (strcmp(tag->value(), "expression") == 0) { 520b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke rvalue = read_expression(list); 521b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke } else if (strcmp(tag->value(), "call") == 0) { 522b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke rvalue = read_call(list); 523451381c220f145ac27a177c955dde30a9618fd00Kenneth Graunke } else if (strcmp(tag->value(), "constant") == 0) { 524b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke rvalue = read_constant(list); 525451381c220f145ac27a177c955dde30a9618fd00Kenneth Graunke } else { 526b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke rvalue = read_texture(list); 527b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke if (rvalue == NULL && !state->error) 528b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "unrecognized rvalue tag: %s", tag->value()); 529451381c220f145ac27a177c955dde30a9618fd00Kenneth Graunke } 530f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 531f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return rvalue; 532f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke} 533f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 534b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_assignment * 535b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_assignment(s_expression *expr) 536f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke{ 537bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke s_expression *cond_expr = NULL; 538bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke s_expression *lhs_expr, *rhs_expr; 539daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_list *mask_list; 540daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 541bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke s_pattern pat4[] = { "assign", mask_list, lhs_expr, rhs_expr }; 542bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke s_pattern pat5[] = { "assign", cond_expr, mask_list, lhs_expr, rhs_expr }; 543bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke if (!MATCH(expr, pat4) && !MATCH(expr, pat5)) { 544bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke ir_read_error(expr, "expected (assign [<condition>] (<write mask>) " 545b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke "<lhs> <rhs>)"); 546f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 547f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 548f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 549bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke ir_rvalue *condition = NULL; 550bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke if (cond_expr != NULL) { 551bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke condition = read_rvalue(cond_expr); 552bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke if (condition == NULL) { 553bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke ir_read_error(NULL, "when reading condition of assignment"); 554bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke return NULL; 555bbafd2b849629d3155fe0eef655bbc166a901925Kenneth Graunke } 556f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 557f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 55803a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke unsigned mask = 0; 55903a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke 560daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_symbol *mask_symbol; 561daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern mask_pat[] = { mask_symbol }; 562daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (MATCH(mask_list, mask_pat)) { 56303a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke const char *mask_str = mask_symbol->value(); 56403a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke unsigned mask_length = strlen(mask_str); 56503a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke if (mask_length > 4) { 566b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "invalid write mask: %s", mask_str); 56703a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke return NULL; 56803a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke } 56903a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke 57003a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke const unsigned idx_map[] = { 3, 0, 1, 2 }; /* w=bit 3, x=0, y=1, z=2 */ 57103a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke 57203a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke for (unsigned i = 0; i < mask_length; i++) { 57303a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke if (mask_str[i] < 'w' || mask_str[i] > 'z') { 574b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "write mask contains invalid character: %c", 57503a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke mask_str[i]); 57603a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke return NULL; 57703a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke } 57803a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke mask |= 1 << idx_map[mask_str[i] - 'w']; 57903a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke } 580daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke } else if (!mask_list->subexpressions.is_empty()) { 581b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(mask_list, "expected () or (<write mask>)"); 582daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 58303a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke } 58403a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke 585b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_dereference *lhs = read_dereference(lhs_expr); 586f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (lhs == NULL) { 587b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading left-hand side of assignment"); 588f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 589f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 590f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 591b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *rhs = read_rvalue(rhs_expr); 592f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (rhs == NULL) { 593b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading right-hand side of assignment"); 594f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 595f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 596f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 59703a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke if (mask == 0 && (lhs->type->is_vector() || lhs->type->is_scalar())) { 598b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "non-zero write mask required."); 59903a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke return NULL; 60003a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke } 60103a6276477702404f5c7a4f5f2fbb713371c7eedKenneth Graunke 602b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_assignment(lhs, rhs, condition, mask); 603f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke} 604f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 605b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_call * 606b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_call(s_expression *expr) 607b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke{ 608daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_symbol *name; 609daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_list *params; 610b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke 611daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "call", name, params }; 612e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (!MATCH(expr, pat)) { 613b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (call <name> (<param> ...))"); 614b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke return NULL; 615b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke } 616b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke 617b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke exec_list parameters; 618b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke 619b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke foreach_iter(exec_list_iterator, it, params->subexpressions) { 620b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke s_expression *expr = (s_expression*) it.get(); 621b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *param = read_rvalue(expr); 622b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke if (param == NULL) { 623b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "when reading parameter to function call"); 624b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke return NULL; 625b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke } 626b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke parameters.push_tail(param); 627b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke } 628b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke 629b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_function *f = state->symbols->get_function(name->value()); 630b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke if (f == NULL) { 631b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "found call to undefined function %s", 632b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke name->value()); 633b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke return NULL; 634b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke } 635b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke 6361f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt ir_function_signature *callee = f->matching_signature(¶meters); 637b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke if (callee == NULL) { 638b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "couldn't find matching signature for function " 639b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke "%s", name->value()); 640b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke return NULL; 641b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke } 642b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke 643b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_call(callee, ¶meters); 644b51557fbe2b3543cb2e2ed5a3a3637964ca81e17Kenneth Graunke} 645f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 646b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_expression * 647b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_expression(s_expression *expr) 648f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke{ 649daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_type; 650daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_symbol *s_op; 651daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_arg1; 652daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 653daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "expression", s_type, s_op, s_arg1 }; 654e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (!PARTIAL_MATCH(expr, pat)) { 655b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (expression <type> <operator> " 656b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke "<operand> [<operand>])"); 657f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 658f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 659daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_arg2 = (s_expression *) s_arg1->next; // may be tail sentinel 660f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 661b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke const glsl_type *type = read_type(s_type); 662f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (type == NULL) 663f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 664f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 665f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke /* Read the operator */ 666daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke ir_expression_operation op = ir_expression::get_operator(s_op->value()); 667f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (op == (ir_expression_operation) -1) { 668b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "invalid operator: %s", s_op->value()); 669f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 670f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 671f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 672daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke unsigned num_operands = ir_expression::get_num_operands(op); 673daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (num_operands == 1 && !s_arg1->next->is_tail_sentinel()) { 674b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (expression <type> %s <operand>)", 675daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_op->value()); 676daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 677f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 678f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 679b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *arg1 = read_rvalue(s_arg1); 680daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke ir_rvalue *arg2 = NULL; 681f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (arg1 == NULL) { 682b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading first operand of %s", s_op->value()); 683f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 684f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 685f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 686daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (num_operands == 2) { 687daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (s_arg2->is_tail_sentinel() || !s_arg2->next->is_tail_sentinel()) { 688b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (expression <type> %s <operand> " 689b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke "<operand>)", s_op->value()); 690daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 691daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke } 692b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke arg2 = read_rvalue(s_arg2); 693f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (arg2 == NULL) { 694b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading second operand of %s", 695daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_op->value()); 696f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 697f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 698f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 699f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 700b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_expression(op, type, arg1, arg2); 701f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke} 702f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 703b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_swizzle * 704b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_swizzle(s_expression *expr) 705f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke{ 706daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_symbol *swiz; 707daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *sub; 708f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 709daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "swiz", swiz, sub }; 710e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (!MATCH(expr, pat)) { 711b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (swiz <swizzle> <rvalue>)"); 712f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 713f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 714f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 715951632253f4f37ce058e2466bca5b96bb43ccfbfKenneth Graunke if (strlen(swiz->value()) > 4) { 716b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected a valid swizzle; found %s", swiz->value()); 717f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 718f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 719f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 720b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *rvalue = read_rvalue(sub); 721f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (rvalue == NULL) 722f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 723f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 724bf783ecea69c6b4a3fb5f616e91707cf6d806040Kenneth Graunke ir_swizzle *ir = ir_swizzle::create(rvalue, swiz->value(), 725bf783ecea69c6b4a3fb5f616e91707cf6d806040Kenneth Graunke rvalue->type->vector_elements); 726bf783ecea69c6b4a3fb5f616e91707cf6d806040Kenneth Graunke if (ir == NULL) 727b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "invalid swizzle"); 728bf783ecea69c6b4a3fb5f616e91707cf6d806040Kenneth Graunke 729bf783ecea69c6b4a3fb5f616e91707cf6d806040Kenneth Graunke return ir; 730f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke} 731f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 732b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_constant * 733b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_constant(s_expression *expr) 734f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke{ 735daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *type_expr; 736daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_list *values; 737daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 738daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern pat[] = { "constant", type_expr, values }; 739e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (!MATCH(expr, pat)) { 740b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (constant <type> (...))"); 741f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 742f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 743f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 744b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke const glsl_type *type = read_type(type_expr); 745f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (type == NULL) 746f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 747f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 748f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (values == NULL) { 749b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "expected (constant <type> (...))"); 750f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 751f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 752f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 753ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke if (type->is_array()) { 754d7988152722cd5f3930064a139b567cbcb0e5f53Kenneth Graunke unsigned elements_supplied = 0; 755ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke exec_list elements; 756ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke foreach_iter(exec_list_iterator, it, values->subexpressions) { 757e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke s_expression *elt = (s_expression *) it.get(); 758b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_constant *ir_elt = read_constant(elt); 759ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke if (ir_elt == NULL) 760ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke return NULL; 761ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke elements.push_tail(ir_elt); 762d7988152722cd5f3930064a139b567cbcb0e5f53Kenneth Graunke elements_supplied++; 763d7988152722cd5f3930064a139b567cbcb0e5f53Kenneth Graunke } 764d7988152722cd5f3930064a139b567cbcb0e5f53Kenneth Graunke 765d7988152722cd5f3930064a139b567cbcb0e5f53Kenneth Graunke if (elements_supplied != type->length) { 766b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(values, "expected exactly %u array elements, " 767d7988152722cd5f3930064a139b567cbcb0e5f53Kenneth Graunke "given %u", type->length, elements_supplied); 768d7988152722cd5f3930064a139b567cbcb0e5f53Kenneth Graunke return NULL; 769ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke } 770b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_constant(type, &elements); 771ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke } 772ef2c38b2450eb366a2e6f6a46d1725aa6c14d74bKenneth Graunke 773f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke const glsl_type *const base_type = type->get_base_type(); 774f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 775b43611b79c1f0a5caff80c17c9e7840a718f07c9Vinson Lee ir_constant_data data = { { 0 } }; 776f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 777f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke // Read in list of values (at most 16). 778f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke int k = 0; 779f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke foreach_iter(exec_list_iterator, it, values->subexpressions) { 780f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (k >= 16) { 781b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(values, "expected at most 16 numbers"); 782f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 783f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 784f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 785f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke s_expression *expr = (s_expression*) it.get(); 786f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 787f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (base_type->base_type == GLSL_TYPE_FLOAT) { 788f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke s_number *value = SX_AS_NUMBER(expr); 789f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (value == NULL) { 790b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(values, "expected numbers"); 791f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 792f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 7934976e57448b2d4ca753e95ef2162758542a69a77Ian Romanick data.f[k] = value->fvalue(); 794f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } else { 795f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke s_int *value = SX_AS_INT(expr); 796f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke if (value == NULL) { 797b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(values, "expected integers"); 798f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 799f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 800f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke 801f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke switch (base_type->base_type) { 802f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke case GLSL_TYPE_UINT: { 8034976e57448b2d4ca753e95ef2162758542a69a77Ian Romanick data.u[k] = value->value(); 804f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke break; 805f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 806f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke case GLSL_TYPE_INT: { 8074976e57448b2d4ca753e95ef2162758542a69a77Ian Romanick data.i[k] = value->value(); 808f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke break; 809f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 810f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke case GLSL_TYPE_BOOL: { 8114976e57448b2d4ca753e95ef2162758542a69a77Ian Romanick data.b[k] = value->value(); 812f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke break; 813f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 814f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke default: 815b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(values, "unsupported constant type"); 816f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke return NULL; 817f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 818f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 819f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke ++k; 820f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke } 8214976e57448b2d4ca753e95ef2162758542a69a77Ian Romanick 822b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_constant(type, &data); 823f955649af3f23367d5e70f33a2bf958b11c2e127Kenneth Graunke} 824451381c220f145ac27a177c955dde30a9618fd00Kenneth Graunke 825b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_dereference * 826b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_dereference(s_expression *expr) 8273c7934bfaae5dff410cddba3ac6696a8911c0c68Kenneth Graunke{ 828ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke s_symbol *s_var; 829ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke s_expression *s_subject; 830ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke s_expression *s_index; 831ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke s_symbol *s_field; 832ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke 833ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke s_pattern var_pat[] = { "var_ref", s_var }; 834ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke s_pattern array_pat[] = { "array_ref", s_subject, s_index }; 835ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke s_pattern record_pat[] = { "record_ref", s_subject, s_field }; 836ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke 837ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke if (MATCH(expr, var_pat)) { 838b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_variable *var = state->symbols->get_variable(s_var->value()); 839ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke if (var == NULL) { 840b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(expr, "undeclared variable: %s", s_var->value()); 841ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke return NULL; 842ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke } 843b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_dereference_variable(var); 844ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke } else if (MATCH(expr, array_pat)) { 845b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *subject = read_rvalue(s_subject); 846ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke if (subject == NULL) { 847b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading the subject of an array_ref"); 848ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke return NULL; 849ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke } 85013e1b6b725def5a22952ecd4e2e8b1e61cb3bcfaKenneth Graunke 851b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *idx = read_rvalue(s_index); 852ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke if (subject == NULL) { 853b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading the index of an array_ref"); 854ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke return NULL; 855ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke } 856b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_dereference_array(subject, idx); 857ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke } else if (MATCH(expr, record_pat)) { 858b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_rvalue *subject = read_rvalue(s_subject); 859ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke if (subject == NULL) { 860b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading the subject of a record_ref"); 861ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke return NULL; 862ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke } 863b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke return new(mem_ctx) ir_dereference_record(subject, s_field->value()); 86413e1b6b725def5a22952ecd4e2e8b1e61cb3bcfaKenneth Graunke } 865ec7e4f0ec5c9b718bbfa33a706149030be86d2d9Kenneth Graunke return NULL; 866451381c220f145ac27a177c955dde30a9618fd00Kenneth Graunke} 867dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 868b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_texture * 869b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunkeir_reader::read_texture(s_expression *expr) 870dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke{ 871daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_symbol *tag = NULL; 872daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_sampler = NULL; 873daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_coord = NULL; 874daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_list *s_offset = NULL; 875daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_proj = NULL; 876daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_list *s_shadow = NULL; 877daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_lod = NULL; 878daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 8799f2bf3d65cf0745a34185c1966d52389fbd1ca90Brian Paul ir_texture_opcode op = ir_tex; /* silence warning */ 880daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 881daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern tex_pattern[] = 882daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke { "tex", s_sampler, s_coord, s_offset, s_proj, s_shadow }; 883daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern txf_pattern[] = 884daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke { "txf", s_sampler, s_coord, s_offset, s_lod }; 885daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern other_pattern[] = 886daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke { tag, s_sampler, s_coord, s_offset, s_proj, s_shadow, s_lod }; 887daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke 888e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke if (MATCH(expr, tex_pattern)) { 889daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke op = ir_tex; 890e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke } else if (MATCH(expr, txf_pattern)) { 891daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke op = ir_txf; 892e486fca2d3b430065cbcb27c5d1b545642e11ab5Kenneth Graunke } else if (MATCH(expr, other_pattern)) { 893daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke op = ir_texture::get_opcode(tag->value()); 894daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (op == -1) 895daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 8969f2bf3d65cf0745a34185c1966d52389fbd1ca90Brian Paul } else { 8979f2bf3d65cf0745a34185c1966d52389fbd1ca90Brian Paul ir_read_error(NULL, "unexpected texture pattern"); 8989f2bf3d65cf0745a34185c1966d52389fbd1ca90Brian Paul return NULL; 899dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 900dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 901b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_texture *tex = new(mem_ctx) ir_texture(op); 902dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 903dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke // Read sampler (must be a deref) 904b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_dereference *sampler = read_dereference(s_sampler); 90556d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke if (sampler == NULL) { 906b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading sampler in (%s ...)", 907daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke tex->opcode_string()); 908dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke return NULL; 909dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 91056d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke tex->set_sampler(sampler); 911dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 912dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke // Read coordinate (any rvalue) 913b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke tex->coordinate = read_rvalue(s_coord); 914dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke if (tex->coordinate == NULL) { 915b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading coordinate in (%s ...)", 916daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke tex->opcode_string()); 917dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke return NULL; 918dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 919dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 920dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke // Read texel offset, i.e. (0 0 0) 921daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_int *offset_x; 922daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_int *offset_y; 923daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_int *offset_z; 924daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern offset_pat[] = { offset_x, offset_y, offset_z }; 925daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (!MATCH(s_offset, offset_pat)) { 926b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(s_offset, "expected (<int> <int> <int>)"); 927dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke return NULL; 928dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 929dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke tex->offsets[0] = offset_x->value(); 930dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke tex->offsets[1] = offset_y->value(); 931dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke tex->offsets[2] = offset_z->value(); 932dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 933daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (op != ir_txf) { 934daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_int *proj_as_int = SX_AS_INT(s_proj); 935dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke if (proj_as_int && proj_as_int->value() == 1) { 936dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke tex->projector = NULL; 937dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } else { 938b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke tex->projector = read_rvalue(s_proj); 939dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke if (tex->projector == NULL) { 940b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading projective divide in (%s ..)", 941daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke tex->opcode_string()); 942dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke return NULL; 943dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 944dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 945dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 946daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (s_shadow->subexpressions.is_empty()) { 947daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke tex->shadow_comparitor = NULL; 948dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } else { 949b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke tex->shadow_comparitor = read_rvalue(s_shadow); 950dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke if (tex->shadow_comparitor == NULL) { 951b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading shadow comparitor in (%s ..)", 952daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke tex->opcode_string()); 953dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke return NULL; 954dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 955dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 956daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke } 957dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke 958daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke switch (op) { 959daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke case ir_txb: 960b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke tex->lod_info.bias = read_rvalue(s_lod); 961daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (tex->lod_info.bias == NULL) { 962b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading LOD bias in (txb ...)"); 963daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 964daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke } 965daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke break; 966daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke case ir_txl: 967daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke case ir_txf: 968b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke tex->lod_info.lod = read_rvalue(s_lod); 969daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (tex->lod_info.lod == NULL) { 970b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading LOD in (%s ...)", 971daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke tex->opcode_string()); 972daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 973daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke } 974daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke break; 975daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke case ir_txd: { 976daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_expression *s_dx, *s_dy; 977daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke s_pattern dxdy_pat[] = { s_dx, s_dy }; 978daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (!MATCH(s_lod, dxdy_pat)) { 979b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(s_lod, "expected (dPdx dPdy) in (txd ...)"); 980daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 981daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke } 982b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke tex->lod_info.grad.dPdx = read_rvalue(s_dx); 983daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (tex->lod_info.grad.dPdx == NULL) { 984b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading dPdx in (txd ...)"); 985daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 986daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke } 987b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke tex->lod_info.grad.dPdy = read_rvalue(s_dy); 988daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke if (tex->lod_info.grad.dPdy == NULL) { 989b74ff382a42bcb81bbf0dc6a85bb38404c46260dKenneth Graunke ir_read_error(NULL, "when reading dPdy in (txd ...)"); 990daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke return NULL; 991dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 992daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke break; 993dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke } 994daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke default: 995daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke // tex doesn't have any extra parameters. 996daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke break; 997daeb0c646e0d652bfa16d326028753ecf092c0c9Kenneth Graunke }; 998dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke return tex; 999dd5b4a544bd53f192cc86441f4e7e95d93707382Kenneth Graunke} 1000