2 * Copyright © 2010 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
24 #include "ir_print_visitor.h"
25 #include "compiler/glsl_types.h"
26 #include "glsl_parser_extras.h"
27 #include "main/macros.h"
28 #include "util/hash_table.h"
30 static void print_type(FILE *f, const glsl_type *t);
33 ir_instruction::print(void) const
39 ir_instruction::fprint(FILE *f) const
41 ir_instruction *deconsted = const_cast<ir_instruction *>(this);
43 ir_print_visitor v(f);
44 deconsted->accept(&v);
49 _mesa_print_ir(FILE *f, exec_list *instructions,
50 struct _mesa_glsl_parse_state *state)
53 for (unsigned i = 0; i < state->num_user_structures; i++) {
54 const glsl_type *const s = state->user_structures[i];
56 fprintf(f, "(structure (%s) (%s@%p) (%u) (\n",
57 s->name, s->name, (void *) s, s->length);
59 for (unsigned j = 0; j < s->length; j++) {
61 print_type(f, s->fields.structure[j].type);
62 fprintf(f, ")(%s))\n", s->fields.structure[j].name);
70 foreach_in_list(ir_instruction, ir, instructions) {
72 if (ir->ir_type != ir_type_function)
79 fprint_ir(FILE *f, const void *instruction)
81 const ir_instruction *ir = (const ir_instruction *)instruction;
87 ir_print_visitor::ir_print_visitor(FILE *f)
92 _mesa_hash_table_create(NULL, _mesa_hash_pointer, _mesa_key_pointer_equal);
93 symbols = _mesa_symbol_table_ctor();
94 mem_ctx = ralloc_context(NULL);
97 ir_print_visitor::~ir_print_visitor()
99 _mesa_hash_table_destroy(printable_names, NULL);
100 _mesa_symbol_table_dtor(symbols);
101 ralloc_free(mem_ctx);
104 void ir_print_visitor::indent(void)
106 for (int i = 0; i < indentation; i++)
111 ir_print_visitor::unique_name(ir_variable *var)
113 /* var->name can be NULL in function prototypes when a type is given for a
114 * parameter but no name is given. In that case, just return an empty
115 * string. Don't worry about tracking the generated name in the printable
116 * names hash because this is the only scope where it can ever appear.
118 if (var->name == NULL) {
119 static unsigned arg = 1;
120 return ralloc_asprintf(this->mem_ctx, "parameter@%u", arg++);
123 /* Do we already have a name for this variable? */
124 struct hash_entry * entry =
125 _mesa_hash_table_search(this->printable_names, var);
128 return (const char *) entry->data;
131 /* If there's no conflict, just use the original name */
132 const char* name = NULL;
133 if (_mesa_symbol_table_find_symbol(this->symbols, -1, var->name) == NULL) {
136 static unsigned i = 1;
137 name = ralloc_asprintf(this->mem_ctx, "%s@%u", var->name, ++i);
139 _mesa_hash_table_insert(this->printable_names, var, (void *) name);
140 _mesa_symbol_table_add_symbol(this->symbols, -1, name, var);
145 print_type(FILE *f, const glsl_type *t)
147 if (t->base_type == GLSL_TYPE_ARRAY) {
148 fprintf(f, "(array ");
149 print_type(f, t->fields.array);
150 fprintf(f, " %u)", t->length);
151 } else if ((t->base_type == GLSL_TYPE_STRUCT)
152 && !is_gl_identifier(t->name)) {
153 fprintf(f, "%s@%p", t->name, (void *) t);
155 fprintf(f, "%s", t->name);
159 void ir_print_visitor::visit(ir_rvalue *)
164 void ir_print_visitor::visit(ir_variable *ir)
166 fprintf(f, "(declare ");
169 if (ir->data.location != -1)
170 snprintf(loc, sizeof(loc), "location=%i ", ir->data.location);
172 const char *const cent = (ir->data.centroid) ? "centroid " : "";
173 const char *const samp = (ir->data.sample) ? "sample " : "";
174 const char *const patc = (ir->data.patch) ? "patch " : "";
175 const char *const inv = (ir->data.invariant) ? "invariant " : "";
176 const char *const prec = (ir->data.precise) ? "precise " : "";
177 const char *const mode[] = { "", "uniform ", "shader_storage ",
178 "shader_shared ", "shader_in ", "shader_out ",
179 "in ", "out ", "inout ",
180 "const_in ", "sys ", "temporary " };
181 STATIC_ASSERT(ARRAY_SIZE(mode) == ir_var_mode_count);
182 const char *const stream [] = {"", "stream1 ", "stream2 ", "stream3 "};
183 const char *const interp[] = { "", "smooth", "flat", "noperspective" };
184 STATIC_ASSERT(ARRAY_SIZE(interp) == INTERP_QUALIFIER_COUNT);
186 fprintf(f, "(%s%s%s%s%s%s%s%s%s) ",
187 loc, cent, samp, patc, inv, prec, mode[ir->data.mode],
188 stream[ir->data.stream],
189 interp[ir->data.interpolation]);
191 print_type(f, ir->type);
192 fprintf(f, " %s)", unique_name(ir));
196 void ir_print_visitor::visit(ir_function_signature *ir)
198 _mesa_symbol_table_push_scope(symbols);
199 fprintf(f, "(signature ");
202 print_type(f, ir->return_type);
206 fprintf(f, "(parameters\n");
209 foreach_in_list(ir_variable, inst, &ir->parameters) {
224 foreach_in_list(ir_instruction, inst, &ir->body) {
233 _mesa_symbol_table_pop_scope(symbols);
237 void ir_print_visitor::visit(ir_function *ir)
239 fprintf(f, "(%s function %s\n", ir->is_subroutine ? "subroutine" : "", ir->name);
241 foreach_in_list(ir_function_signature, sig, &ir->signatures) {
252 void ir_print_visitor::visit(ir_expression *ir)
254 fprintf(f, "(expression ");
256 print_type(f, ir->type);
258 fprintf(f, " %s ", ir->operator_string());
260 for (unsigned i = 0; i < ir->get_num_operands(); i++) {
261 ir->operands[i]->accept(this);
268 void ir_print_visitor::visit(ir_texture *ir)
270 fprintf(f, "(%s ", ir->opcode_string());
272 if (ir->op == ir_samples_identical) {
273 ir->sampler->accept(this);
275 ir->coordinate->accept(this);
280 print_type(f, ir->type);
283 ir->sampler->accept(this);
286 if (ir->op != ir_txs && ir->op != ir_query_levels &&
287 ir->op != ir_texture_samples) {
288 ir->coordinate->accept(this);
292 if (ir->offset != NULL) {
293 ir->offset->accept(this);
301 if (ir->op != ir_txf && ir->op != ir_txf_ms &&
302 ir->op != ir_txs && ir->op != ir_tg4 &&
303 ir->op != ir_query_levels && ir->op != ir_texture_samples) {
305 ir->projector->accept(this);
309 if (ir->shadow_comparitor) {
311 ir->shadow_comparitor->accept(this);
322 case ir_query_levels:
323 case ir_texture_samples:
326 ir->lod_info.bias->accept(this);
331 ir->lod_info.lod->accept(this);
334 ir->lod_info.sample_index->accept(this);
338 ir->lod_info.grad.dPdx->accept(this);
340 ir->lod_info.grad.dPdy->accept(this);
344 ir->lod_info.component->accept(this);
346 case ir_samples_identical:
347 unreachable(!"ir_samples_identical was already handled");
353 void ir_print_visitor::visit(ir_swizzle *ir)
355 const unsigned swiz[4] = {
362 fprintf(f, "(swiz ");
363 for (unsigned i = 0; i < ir->mask.num_components; i++) {
364 fprintf(f, "%c", "xyzw"[swiz[i]]);
367 ir->val->accept(this);
372 void ir_print_visitor::visit(ir_dereference_variable *ir)
374 ir_variable *var = ir->variable_referenced();
375 fprintf(f, "(var_ref %s) ", unique_name(var));
379 void ir_print_visitor::visit(ir_dereference_array *ir)
381 fprintf(f, "(array_ref ");
382 ir->array->accept(this);
383 ir->array_index->accept(this);
388 void ir_print_visitor::visit(ir_dereference_record *ir)
390 fprintf(f, "(record_ref ");
391 ir->record->accept(this);
392 fprintf(f, " %s) ", ir->field);
396 void ir_print_visitor::visit(ir_assignment *ir)
398 fprintf(f, "(assign ");
401 ir->condition->accept(this);
406 for (unsigned i = 0; i < 4; i++) {
407 if ((ir->write_mask & (1 << i)) != 0) {
414 fprintf(f, " (%s) ", mask);
416 ir->lhs->accept(this);
420 ir->rhs->accept(this);
425 void ir_print_visitor::visit(ir_constant *ir)
427 fprintf(f, "(constant ");
428 print_type(f, ir->type);
431 if (ir->type->is_array()) {
432 for (unsigned i = 0; i < ir->type->length; i++)
433 ir->get_array_element(i)->accept(this);
434 } else if (ir->type->is_record()) {
435 ir_constant *value = (ir_constant *) ir->components.get_head();
436 for (unsigned i = 0; i < ir->type->length; i++) {
437 fprintf(f, "(%s ", ir->type->fields.structure[i].name);
441 value = (ir_constant *) value->next;
444 for (unsigned i = 0; i < ir->type->components(); i++) {
447 switch (ir->type->base_type) {
448 case GLSL_TYPE_UINT: fprintf(f, "%u", ir->value.u[i]); break;
449 case GLSL_TYPE_INT: fprintf(f, "%d", ir->value.i[i]); break;
450 case GLSL_TYPE_FLOAT:
451 if (ir->value.f[i] == 0.0f)
452 /* 0.0 == -0.0, so print with %f to get the proper sign. */
453 fprintf(f, "%f", ir->value.f[i]);
454 else if (fabs(ir->value.f[i]) < 0.000001f)
455 fprintf(f, "%a", ir->value.f[i]);
456 else if (fabs(ir->value.f[i]) > 1000000.0f)
457 fprintf(f, "%e", ir->value.f[i]);
459 fprintf(f, "%f", ir->value.f[i]);
461 case GLSL_TYPE_BOOL: fprintf(f, "%d", ir->value.b[i]); break;
462 case GLSL_TYPE_DOUBLE:
463 if (ir->value.d[i] == 0.0)
464 /* 0.0 == -0.0, so print with %f to get the proper sign. */
465 fprintf(f, "%.1f", ir->value.d[i]);
466 else if (fabs(ir->value.d[i]) < 0.000001)
467 fprintf(f, "%a", ir->value.d[i]);
468 else if (fabs(ir->value.d[i]) > 1000000.0)
469 fprintf(f, "%e", ir->value.d[i]);
471 fprintf(f, "%f", ir->value.d[i]);
482 ir_print_visitor::visit(ir_call *ir)
484 fprintf(f, "(call %s ", ir->callee_name());
485 if (ir->return_deref)
486 ir->return_deref->accept(this);
488 foreach_in_list(ir_rvalue, param, &ir->actual_parameters) {
496 ir_print_visitor::visit(ir_return *ir)
498 fprintf(f, "(return");
500 ir_rvalue *const value = ir->get_value();
511 ir_print_visitor::visit(ir_discard *ir)
513 fprintf(f, "(discard ");
515 if (ir->condition != NULL) {
517 ir->condition->accept(this);
525 ir_print_visitor::visit(ir_if *ir)
528 ir->condition->accept(this);
533 foreach_in_list(ir_instruction, inst, &ir->then_instructions) {
544 if (!ir->else_instructions.is_empty()) {
548 foreach_in_list(ir_instruction, inst, &ir->else_instructions) {
563 ir_print_visitor::visit(ir_loop *ir)
565 fprintf(f, "(loop (\n");
568 foreach_in_list(ir_instruction, inst, &ir->body_instructions) {
580 ir_print_visitor::visit(ir_loop_jump *ir)
582 fprintf(f, "%s", ir->is_break() ? "break" : "continue");
586 ir_print_visitor::visit(ir_emit_vertex *ir)
588 fprintf(f, "(emit-vertex ");
589 ir->stream->accept(this);
594 ir_print_visitor::visit(ir_end_primitive *ir)
596 fprintf(f, "(end-primitive ");
597 ir->stream->accept(this);
602 ir_print_visitor::visit(ir_barrier *)
604 fprintf(f, "(barrier)\n");