src/glsl/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
  24 #include "ir_print_visitor.h"
  25 #include "glsl_types.h"
  26 #include "glsl_parser_extras.h"
  27
  28 static void print_type(const glsl_type *t);
  29
  30 void
  31 ir_instruction::print(void) const
  32 {
  33    ir_instruction *deconsted = const_cast<ir_instruction *>(this);
  34
  35    ir_print_visitor v;
  36    deconsted->accept(&v);
  37 }
  38
  39 void
  40 _mesa_print_ir(exec_list *instructions,
  41                struct _mesa_glsl_parse_state *state)
  42 {
  43    for (unsigned i = 0; i < state->num_user_structures; i++) {
  44       const glsl_type *const s = state->user_structures[i];
  45
  46       printf("(structure (%s) (%s@%p) (%u) (\n",
  47              s->name, s->name, s, s->length);
  48
  49       for (unsigned j = 0; j < s->length; j++) {
  50          printf("\t((");
  51          print_type(s->fields.structure[j].type);
  52          printf(")(%s))\n", s->fields.structure[j].name);
  53       }
  54
  55       printf(")\n");
  56    }
  57
  58    printf("(\n");
  59    foreach_iter(exec_list_iterator, iter, *instructions) {
  60       ((ir_instruction *)iter.get())->print();
  61       printf("\n");
  62    }
  63    printf("\n)");
  64 }
  65
  66 static void
  67 print_type(const glsl_type *t)
  68 {
  69    if (t->base_type == GLSL_TYPE_ARRAY) {
  70       printf("(array ");
  71       print_type(t->fields.array);
  72       printf(" %u)", t->length);
  73    } else if ((t->base_type == GLSL_TYPE_STRUCT)
  74               && (strncmp("gl_", t->name, 3) != 0)) {
  75       printf("%s@%p", t->name, t);
  76    } else {
  77       printf("%s", t->name);
  78    }
  79 }
  80
  81
  82 void ir_print_visitor::visit(ir_variable *ir)
  83 {
  84    printf("(declare ");
  85
  86    const char *const cent = (ir->centroid) ? "centroid " : "";
  87    const char *const inv = (ir->invariant) ? "invariant " : "";
  88    const char *const mode[] = { "", "uniform ", "in ", "out ", "inout ",
  89                                 "temporary " };
  90    const char *const interp[] = { "", "flat", "noperspective" };
  91
  92    printf("(%s%s%s%s) ",
  93           cent, inv, mode[ir->mode], interp[ir->interpolation]);
  94
  95    print_type(ir->type);
  96    printf(" %s@%p)", ir->name, ir);
  97 }
  98
  99
 100 void ir_print_visitor::visit(ir_function_signature *ir)
 101 {
 102    printf("(signature ");
 103    print_type(ir->return_type);
 104    printf("\n  (parameters\n");
 105    foreach_iter(exec_list_iterator, iter, ir->parameters) {
 106       ir_variable *const inst = (ir_variable *) iter.get();
 107
 108       inst->accept(this);
 109       printf("\n");
 110    }
 111    printf("  )\n(");
 112
 113    foreach_iter(exec_list_iterator, iter, ir->body) {
 114       ir_instruction *const inst = (ir_instruction *) iter.get();
 115
 116       inst->accept(this);
 117       printf("\n");
 118    }
 119    printf("))\n");
 120 }
 121
 122
 123 void ir_print_visitor::visit(ir_function *ir)
 124 {
 125    printf("(function %s\n", ir->name);
 126    foreach_iter(exec_list_iterator, iter, *ir) {
 127       ir_function_signature *const sig = (ir_function_signature *) iter.get();
 128
 129       sig->accept(this);
 130       printf("\n");
 131    }
 132
 133    printf(")\n");
 134 }
 135
 136
 137 void ir_print_visitor::visit(ir_expression *ir)
 138 {
 139    printf("(expression ");
 140
 141    print_type(ir->type);
 142
 143    printf(" %s ", ir->operator_string());
 144
 145    if (ir->operands[0])
 146       ir->operands[0]->accept(this);
 147
 148    if (ir->operands[1])
 149       ir->operands[1]->accept(this);
 150    printf(") ");
 151 }
 152
 153
 154 void ir_print_visitor::visit(ir_texture *ir)
 155 {
 156    printf("(%s ", ir->opcode_string());
 157
 158    ir->sampler->accept(this);
 159    printf(" ");
 160
 161    ir->coordinate->accept(this);
 162
 163    printf(" (%d %d %d) ", ir->offsets[0], ir->offsets[1], ir->offsets[2]);
 164
 165    if (ir->op != ir_txf) {
 166       if (ir->projector)
 167          ir->projector->accept(this);
 168       else
 169          printf("1");
 170
 171       if (ir->shadow_comparitor) {
 172          printf(" ");
 173          ir->shadow_comparitor->accept(this);
 174       } else {
 175          printf(" ()");
 176       }
 177    }
 178
 179    printf(" ");
 180    switch (ir->op)
 181    {
 182    case ir_tex:
 183       break;
 184    case ir_txb:
 185       ir->lod_info.bias->accept(this);
 186       break;
 187    case ir_txl:
 188    case ir_txf:
 189       ir->lod_info.lod->accept(this);
 190       break;
 191    case ir_txd:
 192       printf("(");
 193       ir->lod_info.grad.dPdx->accept(this);
 194       printf(" ");
 195       ir->lod_info.grad.dPdy->accept(this);
 196       printf(")");
 197       break;
 198    };
 199    printf(")");
 200 }
 201
 202
 203 void ir_print_visitor::visit(ir_swizzle *ir)
 204 {
 205    const unsigned swiz[4] = {
 206       ir->mask.x,
 207       ir->mask.y,
 208       ir->mask.z,
 209       ir->mask.w,
 210    };
 211
 212    printf("(swiz ");
 213    for (unsigned i = 0; i < ir->mask.num_components; i++) {
 214       printf("%c", "xyzw"[swiz[i]]);
 215    }
 216    printf(" ");
 217    ir->val->accept(this);
 218    printf(")");
 219 }
 220
 221
 222 void ir_print_visitor::visit(ir_dereference_variable *ir)
 223 {
 224    ir_variable *var = ir->variable_referenced();
 225    printf("(var_ref %s@%p) ", var->name, var);
 226 }
 227
 228
 229 void ir_print_visitor::visit(ir_dereference_array *ir)
 230 {
 231    printf("(array_ref ");
 232    ir->array->accept(this);
 233    ir->array_index->accept(this);
 234    printf(") ");
 235 }
 236
 237
 238 void ir_print_visitor::visit(ir_dereference_record *ir)
 239 {
 240    printf("(record_ref ");
 241    ir->record->accept(this);
 242    printf(" %s) ", ir->field);
 243 }
 244
 245
 246 void ir_print_visitor::visit(ir_assignment *ir)
 247 {
 248    printf("(assign ");
 249
 250    if (ir->condition)
 251       ir->condition->accept(this);
 252    else
 253       printf("(constant bool (1))");
 254
 255    printf(" ");
 256
 257    ir->lhs->accept(this);
 258
 259    printf(" ");
 260
 261    ir->rhs->accept(this);
 262    printf(") ");
 263 }
 264
 265
 266 void ir_print_visitor::visit(ir_constant *ir)
 267 {
 268    const glsl_type *const base_type = ir->type->get_base_type();
 269
 270    printf("(constant ");
 271    print_type(ir->type);
 272    printf(" (");
 273
 274    if (ir->type->is_array()) {
 275       for (unsigned i = 0; i < ir->type->length; i++)
 276          ir->get_array_element(i)->accept(this);
 277    } else {
 278       for (unsigned i = 0; i < ir->type->components(); i++) {
 279          if (i != 0)
 280             printf(" ");
 281          switch (base_type->base_type) {
 282          case GLSL_TYPE_UINT:  printf("%u", ir->value.u[i]); break;
 283          case GLSL_TYPE_INT:   printf("%d", ir->value.i[i]); break;
 284          case GLSL_TYPE_FLOAT: printf("%f", ir->value.f[i]); break;
 285          case GLSL_TYPE_BOOL:  printf("%d", ir->value.b[i]); break;
 286          default: assert(0);
 287          }
 288       }
 289    }
 290    printf(")) ");
 291 }
 292
 293
 294 void
 295 ir_print_visitor::visit(ir_call *ir)
 296 {
 297    printf("(call %s (", ir->callee_name());
 298    foreach_iter(exec_list_iterator, iter, *ir) {
 299       ir_instruction *const inst = (ir_instruction *) iter.get();
 300
 301       inst->accept(this);
 302    }
 303    printf("))\n");
 304 }
 305
 306
 307 void
 308 ir_print_visitor::visit(ir_return *ir)
 309 {
 310    printf("(return");
 311
 312    ir_rvalue *const value = ir->get_value();
 313    if (value) {
 314       printf(" ");
 315       value->accept(this);
 316    }
 317
 318    printf(")");
 319 }
 320
 321
 322 void
 323 ir_print_visitor::visit(ir_discard *ir)
 324 {
 325    printf("(discard ");
 326
 327    if (ir->condition != NULL) {
 328       printf(" ");
 329       ir->condition->accept(this);
 330    }
 331
 332    printf(")");
 333 }
 334
 335
 336 void
 337 ir_print_visitor::visit(ir_if *ir)
 338 {
 339    printf("(if ");
 340    ir->condition->accept(this);
 341
 342    printf("(\n");
 343    foreach_iter(exec_list_iterator, iter, ir->then_instructions) {
 344       ir_instruction *const inst = (ir_instruction *) iter.get();
 345
 346       inst->accept(this);
 347       printf("\n");
 348    }
 349    printf(")\n");
 350
 351    printf("(\n");
 352    foreach_iter(exec_list_iterator, iter, ir->else_instructions) {
 353       ir_instruction *const inst = (ir_instruction *) iter.get();
 354
 355       inst->accept(this);
 356       printf("\n");
 357    }
 358    printf("))\n");
 359 }
 360
 361
 362 void
 363 ir_print_visitor::visit(ir_loop *ir)
 364 {
 365    printf("(loop (");
 366    if (ir->counter != NULL)
 367       ir->counter->accept(this);
 368    printf(") (");
 369    if (ir->from != NULL)
 370       ir->from->accept(this);
 371    printf(") (");
 372    if (ir->to != NULL)
 373       ir->to->accept(this);
 374    printf(") (");
 375    if (ir->increment != NULL)
 376       ir->increment->accept(this);
 377    printf(") (\n");
 378    foreach_iter(exec_list_iterator, iter, ir->body_instructions) {
 379       ir_instruction *const inst = (ir_instruction *) iter.get();
 380
 381       inst->accept(this);
 382       printf("\n");
 383    }
 384    printf("))\n");
 385 }
 386
 387
 388 void
 389 ir_print_visitor::visit(ir_loop_jump *ir)
 390 {
 391    printf("%s", ir->is_break() ? "break" : "continue");
 392 }