ir_print_visitor.cpp

   1 /*
   2  * Copyright © 2010 Intel Corporation
   3  *
   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:
  10  *
  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
  13  * Software.
  14  *
  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
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23 #include <cstdio>
  24 #include "ir_print_visitor.h"
  25 #include "glsl_types.h"
  26
  27 static void
  28 print_type(const glsl_type *t)
  29 {
  30    if (t->base_type == GLSL_TYPE_ARRAY) {
  31       printf("array (");
  32       print_type(t->fields.array);
  33       printf(") (%u))", t->length);
  34    } else if (t->base_type == GLSL_TYPE_STRUCT) {
  35       printf("struct (%s %u ", t->name ? t->name : "@", t->length);
  36       printf("(FINISHME: structure fields go here) ");
  37       printf(")");
  38    } else {
  39       printf("%s", t->name);
  40    }
  41 }
  42
  43
  44 void ir_print_visitor::visit(ir_variable *ir)
  45 {
  46    if (deref_depth) {
  47       printf("(%s)", ir->name);
  48    } else {
  49       printf("(declare ");
  50
  51       const char *const cent = (ir->centroid) ? "centroid " : "";
  52       const char *const inv = (ir->invariant) ? "invariant " : "";
  53       const char *const mode[] = { "", "uniform ", "in ", "out ", "inout " };
  54       const char *const interp[] = { "", "flat", "noperspective" };
  55
  56       printf("(%s%s%s%s) ",
  57              cent, inv, mode[ir->mode], interp[ir->interpolation]);
  58
  59       printf("(");
  60       print_type(ir->type);
  61       printf(") ");
  62       printf("(%s)) ", ir->name);
  63    }
  64 }
  65
  66
  67 void ir_print_visitor::visit(ir_label *ir)
  68 {
  69    printf("\n(label %s)", ir->label);
  70 }
  71
  72
  73 void ir_print_visitor::visit(ir_function_signature *ir)
  74 {
  75    printf("%s:%d:\n", __func__, __LINE__);
  76    (void) ir;
  77 }
  78
  79
  80 void ir_print_visitor::visit(ir_function *ir)
  81 {
  82    printf("(function %s\n", ir->name);
  83    printf(")\n");
  84 }
  85
  86
  87 void ir_print_visitor::visit(ir_expression *ir)
  88 {
  89    printf("(expression ");
  90
  91    printf("(FINISHME: operator) ");
  92
  93    printf("(");
  94    if (ir->operands[0])
  95       ir->operands[0]->accept(this);
  96    printf(") ");
  97
  98    printf("(");
  99    if (ir->operands[1])
 100       ir->operands[1]->accept(this);
 101    printf(")) ");
 102 }
 103
 104
 105 void ir_print_visitor::visit(ir_dereference *ir)
 106 {
 107    deref_depth++;
 108
 109    switch (ir->mode) {
 110    case ir_dereference::ir_reference_variable: {
 111       const unsigned swiz[4] = {
 112          ir->selector.swizzle.x,
 113          ir->selector.swizzle.y,
 114          ir->selector.swizzle.z,
 115          ir->selector.swizzle.w,
 116       };
 117
 118       printf("(var_ref ");
 119       ir->var->accept(this);
 120       printf("(");
 121       for (unsigned i = 0; i < ir->selector.swizzle.num_components; i++) {
 122          printf("%c", "xyzw"[swiz[i]]);
 123       }
 124       printf(")) ");
 125       break;
 126    }
 127    case ir_dereference::ir_reference_array:
 128       printf("(array_ref ");
 129       ir->var->accept(this);
 130       ir->selector.array_index->accept(this);
 131       printf(") ");
 132       break;
 133    case ir_dereference::ir_reference_record:
 134       printf("(record_ref ");
 135       ir->var->accept(this);
 136       printf("(%s)) ", ir->selector.field);
 137       break;
 138    }
 139
 140    deref_depth--;
 141 }
 142
 143
 144 void ir_print_visitor::visit(ir_assignment *ir)
 145 {
 146    printf("(assign (");
 147
 148    if (ir->condition)
 149       ir->condition->accept(this);
 150    else
 151       printf("true");
 152
 153    printf(") (");
 154
 155    ir->lhs->accept(this);
 156
 157    printf(") (");
 158
 159    ir->rhs->accept(this);
 160    printf(") ");
 161 }
 162
 163
 164 void ir_print_visitor::visit(ir_constant *ir)
 165 {
 166    const glsl_type *const base_type = ir->type->get_base_type();
 167
 168    printf("(constant (");
 169    print_type(base_type);
 170    printf(") ");
 171
 172    const unsigned num_values = 1
 173       * ((ir->type->vector_elements > 0) ? ir->type->vector_elements : 1)
 174       * ((ir->type->matrix_columns > 0) ? ir->type->matrix_columns : 1);
 175
 176    printf("(%d) (", num_values);
 177    for (unsigned i = 0; i < num_values; i++) {
 178       if (i != 0)
 179          printf(", ");
 180
 181       switch (base_type->base_type) {
 182       case GLSL_TYPE_UINT:  printf("%u", ir->value.u[i]); break;
 183       case GLSL_TYPE_INT:   printf("%d", ir->value.i[i]); break;
 184       case GLSL_TYPE_FLOAT: printf("%f", ir->value.f[i]); break;
 185       case GLSL_TYPE_BOOL:  printf("%d", ir->value.b[i]); break;
 186       default: assert(0);
 187       }
 188    }
 189    printf(")) ");
 190 }
 191
 192
 193 void
 194 ir_print_visitor::visit(ir_call *ir)
 195 {
 196    (void) ir;
 197
 198    printf("(call FINISHME: function name here\n");
 199    printf("    (FINISHME: function paramaters here))\n");
 200 }
 201
 202
 203 void
 204 ir_print_visitor::visit(ir_return *ir)
 205 {
 206    printf("(return");
 207
 208    ir_expression *const value = ir->get_value();
 209    if (value) {
 210       printf(" ");
 211       value->accept(this);
 212    }
 213
 214    printf(")");
 215 }