| /* |
| * Copyright © 2010 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #include "ir_print_visitor.h" |
| #include "glsl_types.h" |
| #include "glsl_parser_extras.h" |
| #include "program/hash_table.h" |
| |
| static void print_type(const glsl_type *t); |
| |
| void |
| ir_instruction::print(void) const |
| { |
| ir_instruction *deconsted = const_cast<ir_instruction *>(this); |
| |
| ir_print_visitor v; |
| deconsted->accept(&v); |
| } |
| |
| void |
| _mesa_print_ir(exec_list *instructions, |
| struct _mesa_glsl_parse_state *state) |
| { |
| if (state) { |
| for (unsigned i = 0; i < state->num_user_structures; i++) { |
| const glsl_type *const s = state->user_structures[i]; |
| |
| printf("(structure (%s) (%s@%p) (%u) (\n", |
| s->name, s->name, (void *) s, s->length); |
| |
| for (unsigned j = 0; j < s->length; j++) { |
| printf("\t(("); |
| print_type(s->fields.structure[j].type); |
| printf(")(%s))\n", s->fields.structure[j].name); |
| } |
| |
| printf(")\n"); |
| } |
| } |
| |
| printf("(\n"); |
| foreach_iter(exec_list_iterator, iter, *instructions) { |
| ir_instruction *ir = (ir_instruction *)iter.get(); |
| ir->print(); |
| if (ir->ir_type != ir_type_function) |
| printf("\n"); |
| } |
| printf("\n)"); |
| } |
| |
| ir_print_visitor::ir_print_visitor() |
| { |
| indentation = 0; |
| printable_names = |
| hash_table_ctor(32, hash_table_pointer_hash, hash_table_pointer_compare); |
| symbols = _mesa_symbol_table_ctor(); |
| mem_ctx = ralloc_context(NULL); |
| } |
| |
| ir_print_visitor::~ir_print_visitor() |
| { |
| hash_table_dtor(printable_names); |
| _mesa_symbol_table_dtor(symbols); |
| ralloc_free(mem_ctx); |
| } |
| |
| void ir_print_visitor::indent(void) |
| { |
| for (int i = 0; i < indentation; i++) |
| printf(" "); |
| } |
| |
| const char * |
| ir_print_visitor::unique_name(ir_variable *var) |
| { |
| /* var->name can be NULL in function prototypes when a type is given for a |
| * parameter but no name is given. In that case, just return an empty |
| * string. Don't worry about tracking the generated name in the printable |
| * names hash because this is the only scope where it can ever appear. |
| */ |
| if (var->name == NULL) { |
| static unsigned arg = 1; |
| return ralloc_asprintf(this->mem_ctx, "parameter@%u", arg++); |
| } |
| |
| /* Do we already have a name for this variable? */ |
| const char *name = (const char *) hash_table_find(this->printable_names, var); |
| if (name != NULL) |
| return name; |
| |
| /* If there's no conflict, just use the original name */ |
| if (_mesa_symbol_table_find_symbol(this->symbols, -1, var->name) == NULL) { |
| name = var->name; |
| } else { |
| static unsigned i = 1; |
| name = ralloc_asprintf(this->mem_ctx, "%s@%u", var->name, ++i); |
| } |
| hash_table_insert(this->printable_names, (void *) name, var); |
| _mesa_symbol_table_add_symbol(this->symbols, -1, name, var); |
| return name; |
| } |
| |
| static void |
| print_type(const glsl_type *t) |
| { |
| if (t->base_type == GLSL_TYPE_ARRAY) { |
| printf("(array "); |
| print_type(t->fields.array); |
| printf(" %u)", t->length); |
| } else if ((t->base_type == GLSL_TYPE_STRUCT) |
| && (strncmp("gl_", t->name, 3) != 0)) { |
| printf("%s@%p", t->name, (void *) t); |
| } else { |
| printf("%s", t->name); |
| } |
| } |
| |
| void ir_print_visitor::visit(ir_rvalue *ir) |
| { |
| printf("error"); |
| } |
| |
| void ir_print_visitor::visit(ir_variable *ir) |
| { |
| printf("(declare "); |
| |
| const char *const cent = (ir->centroid) ? "centroid " : ""; |
| const char *const inv = (ir->invariant) ? "invariant " : ""; |
| const char *const mode[] = { "", "uniform ", "in ", "out ", "inout ", |
| "const_in ", "sys ", "temporary " }; |
| const char *const interp[] = { "", "flat", "noperspective" }; |
| |
| printf("(%s%s%s%s) ", |
| cent, inv, mode[ir->mode], interp[ir->interpolation]); |
| |
| print_type(ir->type); |
| printf(" %s)", unique_name(ir)); |
| } |
| |
| |
| void ir_print_visitor::visit(ir_function_signature *ir) |
| { |
| _mesa_symbol_table_push_scope(symbols); |
| printf("(signature "); |
| indentation++; |
| |
| print_type(ir->return_type); |
| printf("\n"); |
| indent(); |
| |
| printf("(parameters\n"); |
| indentation++; |
| |
| foreach_iter(exec_list_iterator, iter, ir->parameters) { |
| ir_variable *const inst = (ir_variable *) iter.get(); |
| |
| indent(); |
| inst->accept(this); |
| printf("\n"); |
| } |
| indentation--; |
| |
| indent(); |
| printf(")\n"); |
| |
| indent(); |
| |
| printf("(\n"); |
| indentation++; |
| |
| foreach_iter(exec_list_iterator, iter, ir->body) { |
| ir_instruction *const inst = (ir_instruction *) iter.get(); |
| |
| indent(); |
| inst->accept(this); |
| printf("\n"); |
| } |
| indentation--; |
| indent(); |
| printf("))\n"); |
| indentation--; |
| _mesa_symbol_table_pop_scope(symbols); |
| } |
| |
| |
| void ir_print_visitor::visit(ir_function *ir) |
| { |
| printf("(function %s\n", ir->name); |
| indentation++; |
| foreach_iter(exec_list_iterator, iter, *ir) { |
| ir_function_signature *const sig = (ir_function_signature *) iter.get(); |
| indent(); |
| sig->accept(this); |
| printf("\n"); |
| } |
| indentation--; |
| indent(); |
| printf(")\n\n"); |
| } |
| |
| |
| void ir_print_visitor::visit(ir_expression *ir) |
| { |
| printf("(expression "); |
| |
| print_type(ir->type); |
| |
| printf(" %s ", ir->operator_string()); |
| |
| for (unsigned i = 0; i < ir->get_num_operands(); i++) { |
| ir->operands[i]->accept(this); |
| } |
| |
| printf(") "); |
| } |
| |
| |
| void ir_print_visitor::visit(ir_texture *ir) |
| { |
| printf("(%s ", ir->opcode_string()); |
| |
| print_type(ir->type); |
| printf(" "); |
| |
| ir->sampler->accept(this); |
| printf(" "); |
| |
| if (ir->op != ir_txs) { |
| ir->coordinate->accept(this); |
| |
| printf(" "); |
| |
| if (ir->offset != NULL) { |
| ir->offset->accept(this); |
| } else { |
| printf("0"); |
| } |
| |
| printf(" "); |
| } |
| |
| if (ir->op != ir_txf && ir->op != ir_txs) { |
| if (ir->projector) |
| ir->projector->accept(this); |
| else |
| printf("1"); |
| |
| if (ir->shadow_comparitor) { |
| printf(" "); |
| ir->shadow_comparitor->accept(this); |
| } else { |
| printf(" ()"); |
| } |
| } |
| |
| printf(" "); |
| switch (ir->op) |
| { |
| case ir_tex: |
| break; |
| case ir_txb: |
| ir->lod_info.bias->accept(this); |
| break; |
| case ir_txl: |
| case ir_txf: |
| case ir_txs: |
| ir->lod_info.lod->accept(this); |
| break; |
| case ir_txd: |
| printf("("); |
| ir->lod_info.grad.dPdx->accept(this); |
| printf(" "); |
| ir->lod_info.grad.dPdy->accept(this); |
| printf(")"); |
| break; |
| }; |
| printf(")"); |
| } |
| |
| |
| void ir_print_visitor::visit(ir_swizzle *ir) |
| { |
| const unsigned swiz[4] = { |
| ir->mask.x, |
| ir->mask.y, |
| ir->mask.z, |
| ir->mask.w, |
| }; |
| |
| printf("(swiz "); |
| for (unsigned i = 0; i < ir->mask.num_components; i++) { |
| printf("%c", "xyzw"[swiz[i]]); |
| } |
| printf(" "); |
| ir->val->accept(this); |
| printf(")"); |
| } |
| |
| |
| void ir_print_visitor::visit(ir_dereference_variable *ir) |
| { |
| ir_variable *var = ir->variable_referenced(); |
| printf("(var_ref %s) ", unique_name(var)); |
| } |
| |
| |
| void ir_print_visitor::visit(ir_dereference_array *ir) |
| { |
| printf("(array_ref "); |
| ir->array->accept(this); |
| ir->array_index->accept(this); |
| printf(") "); |
| } |
| |
| |
| void ir_print_visitor::visit(ir_dereference_record *ir) |
| { |
| printf("(record_ref "); |
| ir->record->accept(this); |
| printf(" %s) ", ir->field); |
| } |
| |
| |
| void ir_print_visitor::visit(ir_assignment *ir) |
| { |
| printf("(assign "); |
| |
| if (ir->condition) |
| ir->condition->accept(this); |
| |
| char mask[5]; |
| unsigned j = 0; |
| |
| for (unsigned i = 0; i < 4; i++) { |
| if ((ir->write_mask & (1 << i)) != 0) { |
| mask[j] = "xyzw"[i]; |
| j++; |
| } |
| } |
| mask[j] = '\0'; |
| |
| printf(" (%s) ", mask); |
| |
| ir->lhs->accept(this); |
| |
| printf(" "); |
| |
| ir->rhs->accept(this); |
| printf(") "); |
| } |
| |
| |
| void ir_print_visitor::visit(ir_constant *ir) |
| { |
| printf("(constant "); |
| print_type(ir->type); |
| printf(" ("); |
| |
| if (ir->type->is_array()) { |
| for (unsigned i = 0; i < ir->type->length; i++) |
| ir->get_array_element(i)->accept(this); |
| } else if (ir->type->is_record()) { |
| ir_constant *value = (ir_constant *) ir->components.get_head(); |
| for (unsigned i = 0; i < ir->type->length; i++) { |
| printf("(%s ", ir->type->fields.structure[i].name); |
| value->accept(this); |
| printf(")"); |
| |
| value = (ir_constant *) value->next; |
| } |
| } else { |
| for (unsigned i = 0; i < ir->type->components(); i++) { |
| if (i != 0) |
| printf(" "); |
| switch (ir->type->base_type) { |
| case GLSL_TYPE_UINT: printf("%u", ir->value.u[i]); break; |
| case GLSL_TYPE_INT: printf("%d", ir->value.i[i]); break; |
| case GLSL_TYPE_FLOAT: printf("%f", ir->value.f[i]); break; |
| case GLSL_TYPE_BOOL: printf("%d", ir->value.b[i]); break; |
| default: assert(0); |
| } |
| } |
| } |
| printf(")) "); |
| } |
| |
| |
| void |
| ir_print_visitor::visit(ir_call *ir) |
| { |
| printf("(call %s ", ir->callee_name()); |
| if (ir->return_deref) |
| ir->return_deref->accept(this); |
| printf(" ("); |
| foreach_iter(exec_list_iterator, iter, *ir) { |
| ir_instruction *const inst = (ir_instruction *) iter.get(); |
| |
| inst->accept(this); |
| } |
| printf("))\n"); |
| } |
| |
| |
| void |
| ir_print_visitor::visit(ir_return *ir) |
| { |
| printf("(return"); |
| |
| ir_rvalue *const value = ir->get_value(); |
| if (value) { |
| printf(" "); |
| value->accept(this); |
| } |
| |
| printf(")"); |
| } |
| |
| |
| void |
| ir_print_visitor::visit(ir_discard *ir) |
| { |
| printf("(discard "); |
| |
| if (ir->condition != NULL) { |
| printf(" "); |
| ir->condition->accept(this); |
| } |
| |
| printf(")"); |
| } |
| |
| |
| void |
| ir_print_visitor::visit(ir_if *ir) |
| { |
| printf("(if "); |
| ir->condition->accept(this); |
| |
| printf("(\n"); |
| indentation++; |
| |
| foreach_iter(exec_list_iterator, iter, ir->then_instructions) { |
| ir_instruction *const inst = (ir_instruction *) iter.get(); |
| |
| indent(); |
| inst->accept(this); |
| printf("\n"); |
| } |
| |
| indentation--; |
| indent(); |
| printf(")\n"); |
| |
| indent(); |
| if (!ir->else_instructions.is_empty()) { |
| printf("(\n"); |
| indentation++; |
| |
| foreach_iter(exec_list_iterator, iter, ir->else_instructions) { |
| ir_instruction *const inst = (ir_instruction *) iter.get(); |
| |
| indent(); |
| inst->accept(this); |
| printf("\n"); |
| } |
| indentation--; |
| indent(); |
| printf("))\n"); |
| } else { |
| printf("())\n"); |
| } |
| } |
| |
| |
| void |
| ir_print_visitor::visit(ir_loop *ir) |
| { |
| printf("(loop ("); |
| if (ir->counter != NULL) |
| ir->counter->accept(this); |
| printf(") ("); |
| if (ir->from != NULL) |
| ir->from->accept(this); |
| printf(") ("); |
| if (ir->to != NULL) |
| ir->to->accept(this); |
| printf(") ("); |
| if (ir->increment != NULL) |
| ir->increment->accept(this); |
| printf(") (\n"); |
| indentation++; |
| |
| foreach_iter(exec_list_iterator, iter, ir->body_instructions) { |
| ir_instruction *const inst = (ir_instruction *) iter.get(); |
| |
| indent(); |
| inst->accept(this); |
| printf("\n"); |
| } |
| indentation--; |
| indent(); |
| printf("))\n"); |
| } |
| |
| |
| void |
| ir_print_visitor::visit(ir_loop_jump *ir) |
| { |
| printf("%s", ir->is_break() ? "break" : "continue"); |
| } |