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
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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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 "glsl_types.h"
26 #include "glsl_parser_extras.h"
27 #include "program/hash_table.h"
29 static void print_type(const glsl_type *t);
32 ir_instruction::print(void) const
34 ir_instruction *deconsted = const_cast<ir_instruction *>(this);
37 deconsted->accept(&v);
41 _mesa_print_ir(exec_list *instructions,
42 struct _mesa_glsl_parse_state *state)
45 for (unsigned i = 0; i < state->num_user_structures; i++) {
46 const glsl_type *const s = state->user_structures[i];
48 printf("(structure (%s) (%s@%p) (%u) (\n",
49 s->name, s->name, (void *) s, s->length);
51 for (unsigned j = 0; j < s->length; j++) {
53 print_type(s->fields.structure[j].type);
54 printf(")(%s))\n", s->fields.structure[j].name);
62 foreach_iter(exec_list_iterator, iter, *instructions) {
63 ir_instruction *ir = (ir_instruction *)iter.get();
65 if (ir->ir_type != ir_type_function)
71 ir_print_visitor::ir_print_visitor()
75 hash_table_ctor(32, hash_table_pointer_hash, hash_table_pointer_compare);
76 symbols = _mesa_symbol_table_ctor();
77 mem_ctx = ralloc_context(NULL);
80 ir_print_visitor::~ir_print_visitor()
82 hash_table_dtor(printable_names);
83 _mesa_symbol_table_dtor(symbols);
87 void ir_print_visitor::indent(void)
89 for (int i = 0; i < indentation; i++)
94 ir_print_visitor::unique_name(ir_variable *var)
96 /* var->name can be NULL in function prototypes when a type is given for a
97 * parameter but no name is given. In that case, just return an empty
98 * string. Don't worry about tracking the generated name in the printable
99 * names hash because this is the only scope where it can ever appear.
101 if (var->name == NULL) {
102 static unsigned arg = 1;
103 return ralloc_asprintf(this->mem_ctx, "parameter@%u", arg++);
106 /* Do we already have a name for this variable? */
107 const char *name = (const char *) hash_table_find(this->printable_names, var);
111 /* If there's no conflict, just use the original name */
112 if (_mesa_symbol_table_find_symbol(this->symbols, -1, var->name) == NULL) {
115 static unsigned i = 1;
116 name = ralloc_asprintf(this->mem_ctx, "%s@%u", var->name, ++i);
118 hash_table_insert(this->printable_names, (void *) name, var);
119 _mesa_symbol_table_add_symbol(this->symbols, -1, name, var);
124 print_type(const glsl_type *t)
126 if (t->base_type == GLSL_TYPE_ARRAY) {
128 print_type(t->fields.array);
129 printf(" %u)", t->length);
130 } else if ((t->base_type == GLSL_TYPE_STRUCT)
131 && (strncmp("gl_", t->name, 3) != 0)) {
132 printf("%s@%p", t->name, (void *) t);
134 printf("%s", t->name);
138 void ir_print_visitor::visit(ir_rvalue *ir)
143 void ir_print_visitor::visit(ir_variable *ir)
147 const char *const cent = (ir->centroid) ? "centroid " : "";
148 const char *const inv = (ir->invariant) ? "invariant " : "";
149 const char *const mode[] = { "", "uniform ", "in ", "out ", "inout ",
150 "const_in ", "sys ", "temporary " };
151 const char *const interp[] = { "", "flat", "noperspective" };
153 printf("(%s%s%s%s) ",
154 cent, inv, mode[ir->mode], interp[ir->interpolation]);
156 print_type(ir->type);
157 printf(" %s)", unique_name(ir));
161 void ir_print_visitor::visit(ir_function_signature *ir)
163 _mesa_symbol_table_push_scope(symbols);
164 printf("(signature ");
167 print_type(ir->return_type);
171 printf("(parameters\n");
174 foreach_iter(exec_list_iterator, iter, ir->parameters) {
175 ir_variable *const inst = (ir_variable *) iter.get();
191 foreach_iter(exec_list_iterator, iter, ir->body) {
192 ir_instruction *const inst = (ir_instruction *) iter.get();
202 _mesa_symbol_table_pop_scope(symbols);
206 void ir_print_visitor::visit(ir_function *ir)
208 printf("(function %s\n", ir->name);
210 foreach_iter(exec_list_iterator, iter, *ir) {
211 ir_function_signature *const sig = (ir_function_signature *) iter.get();
222 void ir_print_visitor::visit(ir_expression *ir)
224 printf("(expression ");
226 print_type(ir->type);
228 printf(" %s ", ir->operator_string());
230 for (unsigned i = 0; i < ir->get_num_operands(); i++) {
231 ir->operands[i]->accept(this);
238 void ir_print_visitor::visit(ir_texture *ir)
240 printf("(%s ", ir->opcode_string());
242 print_type(ir->type);
245 ir->sampler->accept(this);
248 if (ir->op != ir_txs) {
249 ir->coordinate->accept(this);
253 if (ir->offset != NULL) {
254 ir->offset->accept(this);
262 if (ir->op != ir_txf && ir->op != ir_txs) {
264 ir->projector->accept(this);
268 if (ir->shadow_comparitor) {
270 ir->shadow_comparitor->accept(this);
282 ir->lod_info.bias->accept(this);
287 ir->lod_info.lod->accept(this);
291 ir->lod_info.grad.dPdx->accept(this);
293 ir->lod_info.grad.dPdy->accept(this);
301 void ir_print_visitor::visit(ir_swizzle *ir)
303 const unsigned swiz[4] = {
311 for (unsigned i = 0; i < ir->mask.num_components; i++) {
312 printf("%c", "xyzw"[swiz[i]]);
315 ir->val->accept(this);
320 void ir_print_visitor::visit(ir_dereference_variable *ir)
322 ir_variable *var = ir->variable_referenced();
323 printf("(var_ref %s) ", unique_name(var));
327 void ir_print_visitor::visit(ir_dereference_array *ir)
329 printf("(array_ref ");
330 ir->array->accept(this);
331 ir->array_index->accept(this);
336 void ir_print_visitor::visit(ir_dereference_record *ir)
338 printf("(record_ref ");
339 ir->record->accept(this);
340 printf(" %s) ", ir->field);
344 void ir_print_visitor::visit(ir_assignment *ir)
349 ir->condition->accept(this);
354 for (unsigned i = 0; i < 4; i++) {
355 if ((ir->write_mask & (1 << i)) != 0) {
362 printf(" (%s) ", mask);
364 ir->lhs->accept(this);
368 ir->rhs->accept(this);
373 void ir_print_visitor::visit(ir_constant *ir)
375 printf("(constant ");
376 print_type(ir->type);
379 if (ir->type->is_array()) {
380 for (unsigned i = 0; i < ir->type->length; i++)
381 ir->get_array_element(i)->accept(this);
382 } else if (ir->type->is_record()) {
383 ir_constant *value = (ir_constant *) ir->components.get_head();
384 for (unsigned i = 0; i < ir->type->length; i++) {
385 printf("(%s ", ir->type->fields.structure[i].name);
389 value = (ir_constant *) value->next;
392 for (unsigned i = 0; i < ir->type->components(); i++) {
395 switch (ir->type->base_type) {
396 case GLSL_TYPE_UINT: printf("%u", ir->value.u[i]); break;
397 case GLSL_TYPE_INT: printf("%d", ir->value.i[i]); break;
398 case GLSL_TYPE_FLOAT: printf("%f", ir->value.f[i]); break;
399 case GLSL_TYPE_BOOL: printf("%d", ir->value.b[i]); break;
409 ir_print_visitor::visit(ir_call *ir)
411 printf("(call %s ", ir->callee_name());
412 if (ir->return_deref)
413 ir->return_deref->accept(this);
415 foreach_iter(exec_list_iterator, iter, *ir) {
416 ir_instruction *const inst = (ir_instruction *) iter.get();
425 ir_print_visitor::visit(ir_return *ir)
429 ir_rvalue *const value = ir->get_value();
440 ir_print_visitor::visit(ir_discard *ir)
444 if (ir->condition != NULL) {
446 ir->condition->accept(this);
454 ir_print_visitor::visit(ir_if *ir)
457 ir->condition->accept(this);
462 foreach_iter(exec_list_iterator, iter, ir->then_instructions) {
463 ir_instruction *const inst = (ir_instruction *) iter.get();
475 if (!ir->else_instructions.is_empty()) {
479 foreach_iter(exec_list_iterator, iter, ir->else_instructions) {
480 ir_instruction *const inst = (ir_instruction *) iter.get();
496 ir_print_visitor::visit(ir_loop *ir)
499 if (ir->counter != NULL)
500 ir->counter->accept(this);
502 if (ir->from != NULL)
503 ir->from->accept(this);
506 ir->to->accept(this);
508 if (ir->increment != NULL)
509 ir->increment->accept(this);
513 foreach_iter(exec_list_iterator, iter, ir->body_instructions) {
514 ir_instruction *const inst = (ir_instruction *) iter.get();
527 ir_print_visitor::visit(ir_loop_jump *ir)
529 printf("%s", ir->is_break() ? "break" : "continue");