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