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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21 * DEALINGS IN THE SOFTWARE.
24 #include "ir_print_visitor.h"
25 #include "glsl_types.h"
26 #include "glsl_parser_extras.h"
29 #include "program/hash_table.h"
32 static void print_type(const glsl_type *t);
35 ir_instruction::print(void) const
37 ir_instruction *deconsted = const_cast<ir_instruction *>(this);
40 deconsted->accept(&v);
44 _mesa_print_ir(exec_list *instructions,
45 struct _mesa_glsl_parse_state *state)
48 for (unsigned i = 0; i < state->num_user_structures; i++) {
49 const glsl_type *const s = state->user_structures[i];
51 printf("(structure (%s) (%s@%p) (%u) (\n",
52 s->name, s->name, (void *) s, s->length);
54 for (unsigned j = 0; j < s->length; j++) {
56 print_type(s->fields.structure[j].type);
57 printf(")(%s))\n", s->fields.structure[j].name);
65 foreach_iter(exec_list_iterator, iter, *instructions) {
66 ir_instruction *ir = (ir_instruction *)iter.get();
68 if (ir->ir_type != ir_type_function)
74 ir_print_visitor::ir_print_visitor()
78 hash_table_ctor(32, hash_table_pointer_hash, hash_table_pointer_compare);
79 symbols = _mesa_symbol_table_ctor();
80 mem_ctx = ralloc_context(NULL);
83 ir_print_visitor::~ir_print_visitor()
85 hash_table_dtor(printable_names);
86 _mesa_symbol_table_dtor(symbols);
90 void ir_print_visitor::indent(void)
92 for (int i = 0; i < indentation; i++)
97 ir_print_visitor::unique_name(ir_variable *var)
99 /* var->name can be NULL in function prototypes when a type is given for a
100 * parameter but no name is given. In that case, just return an empty
101 * string. Don't worry about tracking the generated name in the printable
102 * names hash because this is the only scope where it can ever appear.
104 if (var->name == NULL) {
105 static unsigned arg = 1;
106 return ralloc_asprintf(this->mem_ctx, "parameter@%u", arg++);
109 /* Do we already have a name for this variable? */
110 const char *name = (const char *) hash_table_find(this->printable_names, var);
114 /* If there's no conflict, just use the original name */
115 if (_mesa_symbol_table_find_symbol(this->symbols, -1, var->name) == NULL) {
118 static unsigned i = 1;
119 name = ralloc_asprintf(this->mem_ctx, "%s@%u", var->name, ++i);
121 hash_table_insert(this->printable_names, (void *) name, var);
122 _mesa_symbol_table_add_symbol(this->symbols, -1, name, var);
127 print_type(const glsl_type *t)
129 if (t->base_type == GLSL_TYPE_ARRAY) {
131 print_type(t->fields.array);
132 printf(" %u)", t->length);
133 } else if ((t->base_type == GLSL_TYPE_STRUCT)
134 && (strncmp("gl_", t->name, 3) != 0)) {
135 printf("%s@%p", t->name, (void *) t);
137 printf("%s", t->name);
142 void ir_print_visitor::visit(ir_variable *ir)
146 const char *const cent = (ir->centroid) ? "centroid " : "";
147 const char *const inv = (ir->invariant) ? "invariant " : "";
148 const char *const mode[] = { "", "uniform ", "in ", "out ", "inout ",
149 "const_in ", "sys ", "temporary " };
150 const char *const interp[] = { "", "flat", "noperspective" };
152 printf("(%s%s%s%s) ",
153 cent, inv, mode[ir->mode], interp[ir->interpolation]);
155 print_type(ir->type);
156 printf(" %s)", unique_name(ir));
160 void ir_print_visitor::visit(ir_function_signature *ir)
162 _mesa_symbol_table_push_scope(symbols);
163 printf("(signature ");
166 print_type(ir->return_type);
170 printf("(parameters\n");
173 foreach_iter(exec_list_iterator, iter, ir->parameters) {
174 ir_variable *const inst = (ir_variable *) iter.get();
190 foreach_iter(exec_list_iterator, iter, ir->body) {
191 ir_instruction *const inst = (ir_instruction *) iter.get();
201 _mesa_symbol_table_pop_scope(symbols);
205 void ir_print_visitor::visit(ir_function *ir)
207 printf("(function %s\n", ir->name);
209 foreach_iter(exec_list_iterator, iter, *ir) {
210 ir_function_signature *const sig = (ir_function_signature *) iter.get();
221 void ir_print_visitor::visit(ir_expression *ir)
223 printf("(expression ");
225 print_type(ir->type);
227 printf(" %s ", ir->operator_string());
229 for (unsigned i = 0; i < ir->get_num_operands(); i++) {
230 ir->operands[i]->accept(this);
237 void ir_print_visitor::visit(ir_texture *ir)
239 printf("(%s ", ir->opcode_string());
241 print_type(ir->type);
244 ir->sampler->accept(this);
247 ir->coordinate->accept(this);
251 if (ir->offset != NULL) {
252 ir->offset->accept(this);
259 if (ir->op != ir_txf) {
261 ir->projector->accept(this);
265 if (ir->shadow_comparitor) {
267 ir->shadow_comparitor->accept(this);
279 ir->lod_info.bias->accept(this);
283 ir->lod_info.lod->accept(this);
287 ir->lod_info.grad.dPdx->accept(this);
289 ir->lod_info.grad.dPdy->accept(this);
297 void ir_print_visitor::visit(ir_swizzle *ir)
299 const unsigned swiz[4] = {
307 for (unsigned i = 0; i < ir->mask.num_components; i++) {
308 printf("%c", "xyzw"[swiz[i]]);
311 ir->val->accept(this);
316 void ir_print_visitor::visit(ir_dereference_variable *ir)
318 ir_variable *var = ir->variable_referenced();
319 printf("(var_ref %s) ", unique_name(var));
323 void ir_print_visitor::visit(ir_dereference_array *ir)
325 printf("(array_ref ");
326 ir->array->accept(this);
327 ir->array_index->accept(this);
332 void ir_print_visitor::visit(ir_dereference_record *ir)
334 printf("(record_ref ");
335 ir->record->accept(this);
336 printf(" %s) ", ir->field);
340 void ir_print_visitor::visit(ir_assignment *ir)
345 ir->condition->accept(this);
350 for (unsigned i = 0; i < 4; i++) {
351 if ((ir->write_mask & (1 << i)) != 0) {
358 printf(" (%s) ", mask);
360 ir->lhs->accept(this);
364 ir->rhs->accept(this);
369 void ir_print_visitor::visit(ir_constant *ir)
371 const glsl_type *const base_type = ir->type->get_base_type();
373 printf("(constant ");
374 print_type(ir->type);
377 if (ir->type->is_array()) {
378 for (unsigned i = 0; i < ir->type->length; i++)
379 ir->get_array_element(i)->accept(this);
380 } else if (ir->type->is_record()) {
381 ir_constant *value = (ir_constant *) ir->components.get_head();
382 for (unsigned i = 0; i < ir->type->length; i++) {
383 printf("(%s ", ir->type->fields.structure[i].name);
387 value = (ir_constant *) value->next;
390 for (unsigned i = 0; i < ir->type->components(); i++) {
393 switch (base_type->base_type) {
394 case GLSL_TYPE_UINT: printf("%u", ir->value.u[i]); break;
395 case GLSL_TYPE_INT: printf("%d", ir->value.i[i]); break;
396 case GLSL_TYPE_FLOAT: printf("%f", ir->value.f[i]); break;
397 case GLSL_TYPE_BOOL: printf("%d", ir->value.b[i]); break;
407 ir_print_visitor::visit(ir_call *ir)
409 printf("(call %s (", ir->callee_name());
410 foreach_iter(exec_list_iterator, iter, *ir) {
411 ir_instruction *const inst = (ir_instruction *) iter.get();
420 ir_print_visitor::visit(ir_return *ir)
424 ir_rvalue *const value = ir->get_value();
435 ir_print_visitor::visit(ir_discard *ir)
439 if (ir->condition != NULL) {
441 ir->condition->accept(this);
449 ir_print_visitor::visit(ir_if *ir)
452 ir->condition->accept(this);
457 foreach_iter(exec_list_iterator, iter, ir->then_instructions) {
458 ir_instruction *const inst = (ir_instruction *) iter.get();
470 if (!ir->else_instructions.is_empty()) {
474 foreach_iter(exec_list_iterator, iter, ir->else_instructions) {
475 ir_instruction *const inst = (ir_instruction *) iter.get();
491 ir_print_visitor::visit(ir_loop *ir)
494 if (ir->counter != NULL)
495 ir->counter->accept(this);
497 if (ir->from != NULL)
498 ir->from->accept(this);
501 ir->to->accept(this);
503 if (ir->increment != NULL)
504 ir->increment->accept(this);
508 foreach_iter(exec_list_iterator, iter, ir->body_instructions) {
509 ir_instruction *const inst = (ir_instruction *) iter.get();
522 ir_print_visitor::visit(ir_loop_jump *ir)
524 printf("%s", ir->is_break() ? "break" : "continue");