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