src/compiler/nir_types.cpp

   1 /*
   2  * Copyright © 2014 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 DEALINGS
  21  * IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *    Connor Abbott (cwabbott0@gmail.com)
  25  *
  26  */
  27
  28 #include "nir_types.h"
  29 #include "compiler/glsl/ir.h"
  30
  31 const char *
  32 glsl_get_type_name(const glsl_type *type)
  33 {
  34    return type->name;
  35 }
  36
  37 const glsl_type *
  38 glsl_get_array_element(const glsl_type* type)
  39 {
  40    if (type->is_matrix())
  41       return type->column_type();
  42    else if (type->is_vector())
  43       return type->get_scalar_type();
  44    return type->fields.array;
  45 }
  46
  47 const glsl_type *
  48 glsl_without_array(const glsl_type *type)
  49 {
  50    return type->without_array();
  51 }
  52
  53 const glsl_type *
  54 glsl_without_array_or_matrix(const glsl_type *type)
  55 {
  56    type = type->without_array();
  57    if (type->is_matrix())
  58       type = type->column_type();
  59    return type;
  60 }
  61
  62 const glsl_type *
  63 glsl_get_array_instance(const glsl_type *type,
  64                         unsigned array_size)
  65 {
  66    return glsl_type::get_array_instance(type, array_size);
  67 }
  68
  69 const glsl_type *
  70 glsl_get_struct_field(const glsl_type *type, unsigned index)
  71 {
  72    return type->fields.structure[index].type;
  73 }
  74
  75 const glsl_type *
  76 glsl_get_function_return_type(const glsl_type *type)
  77 {
  78    return type->fields.parameters[0].type;
  79 }
  80
  81 const glsl_function_param *
  82 glsl_get_function_param(const glsl_type *type, unsigned index)
  83 {
  84    return &type->fields.parameters[index + 1];
  85 }
  86
  87 const struct glsl_type *
  88 glsl_get_column_type(const struct glsl_type *type)
  89 {
  90    return type->column_type();
  91 }
  92
  93 GLenum
  94 glsl_get_gl_type(const struct glsl_type *type)
  95 {
  96    return type->gl_type;
  97 }
  98
  99 enum glsl_base_type
 100 glsl_get_base_type(const struct glsl_type *type)
 101 {
 102    return type->base_type;
 103 }
 104
 105 unsigned
 106 glsl_get_vector_elements(const struct glsl_type *type)
 107 {
 108    return type->vector_elements;
 109 }
 110
 111 unsigned
 112 glsl_get_components(const struct glsl_type *type)
 113 {
 114    return type->components();
 115 }
 116
 117 unsigned
 118 glsl_get_matrix_columns(const struct glsl_type *type)
 119 {
 120    return type->matrix_columns;
 121 }
 122
 123 unsigned
 124 glsl_get_length(const struct glsl_type *type)
 125 {
 126    return type->is_matrix() ? type->matrix_columns : type->length;
 127 }
 128
 129 unsigned
 130 glsl_get_aoa_size(const struct glsl_type *type)
 131 {
 132    return type->arrays_of_arrays_size();
 133 }
 134
 135 unsigned
 136 glsl_count_attribute_slots(const struct glsl_type *type,
 137                            bool is_vertex_input)
 138 {
 139    return type->count_attribute_slots(is_vertex_input);
 140 }
 141
 142 unsigned
 143 glsl_get_component_slots(const struct glsl_type *type)
 144 {
 145    return type->component_slots();
 146 }
 147
 148 const char *
 149 glsl_get_struct_elem_name(const struct glsl_type *type, unsigned index)
 150 {
 151    return type->fields.structure[index].name;
 152 }
 153
 154 glsl_sampler_dim
 155 glsl_get_sampler_dim(const struct glsl_type *type)
 156 {
 157    assert(glsl_type_is_sampler(type) || glsl_type_is_image(type));
 158    return (glsl_sampler_dim)type->sampler_dimensionality;
 159 }
 160
 161 glsl_base_type
 162 glsl_get_sampler_result_type(const struct glsl_type *type)
 163 {
 164    assert(glsl_type_is_sampler(type) || glsl_type_is_image(type));
 165    return (glsl_base_type)type->sampled_type;
 166 }
 167
 168 unsigned
 169 glsl_get_sampler_target(const struct glsl_type *type)
 170 {
 171    assert(glsl_type_is_sampler(type));
 172    return type->sampler_index();
 173 }
 174
 175 unsigned
 176 glsl_get_record_location_offset(const struct glsl_type *type,
 177                                 unsigned length)
 178 {
 179    return type->record_location_offset(length);
 180 }
 181
 182 bool
 183 glsl_type_is_16bit(const glsl_type *type)
 184 {
 185    return type->is_16bit();
 186 }
 187
 188 bool
 189 glsl_type_is_64bit(const glsl_type *type)
 190 {
 191    return type->is_64bit();
 192 }
 193
 194 bool
 195 glsl_type_is_void(const glsl_type *type)
 196 {
 197    return type->is_void();
 198 }
 199
 200 bool
 201 glsl_type_is_error(const glsl_type *type)
 202 {
 203    return type->is_error();
 204 }
 205
 206 bool
 207 glsl_type_is_vector(const struct glsl_type *type)
 208 {
 209    return type->is_vector();
 210 }
 211
 212 bool
 213 glsl_type_is_scalar(const struct glsl_type *type)
 214 {
 215    return type->is_scalar();
 216 }
 217
 218 bool
 219 glsl_type_is_vector_or_scalar(const struct glsl_type *type)
 220 {
 221    return type->is_vector() || type->is_scalar();
 222 }
 223
 224 bool
 225 glsl_type_is_matrix(const struct glsl_type *type)
 226 {
 227    return type->is_matrix();
 228 }
 229
 230 bool
 231 glsl_type_is_array(const struct glsl_type *type)
 232 {
 233    return type->is_array();
 234 }
 235
 236 bool
 237 glsl_type_is_array_of_arrays(const struct glsl_type *type)
 238 {
 239    return type->is_array_of_arrays();
 240 }
 241
 242 bool
 243 glsl_type_is_array_or_matrix(const struct glsl_type *type)
 244 {
 245    return type->is_array() || type->is_matrix();
 246 }
 247
 248 bool
 249 glsl_type_is_struct(const struct glsl_type *type)
 250 {
 251    return type->is_record() || type->is_interface();
 252 }
 253
 254 bool
 255 glsl_type_is_sampler(const struct glsl_type *type)
 256 {
 257    return type->is_sampler();
 258 }
 259
 260 bool
 261 glsl_type_is_image(const struct glsl_type *type)
 262 {
 263    return type->is_image();
 264 }
 265
 266 bool
 267 glsl_sampler_type_is_shadow(const struct glsl_type *type)
 268 {
 269    assert(glsl_type_is_sampler(type));
 270    return type->sampler_shadow;
 271 }
 272
 273 bool
 274 glsl_sampler_type_is_array(const struct glsl_type *type)
 275 {
 276    assert(glsl_type_is_sampler(type) || glsl_type_is_image(type));
 277    return type->sampler_array;
 278 }
 279
 280 bool
 281 glsl_type_is_dual_slot(const struct glsl_type *type)
 282 {
 283    return type->is_dual_slot();
 284 }
 285
 286 bool
 287 glsl_type_is_numeric(const struct glsl_type *type)
 288 {
 289    return type->is_numeric();
 290 }
 291
 292 bool
 293 glsl_type_is_boolean(const struct glsl_type *type)
 294 {
 295    return type->is_boolean();
 296 }
 297
 298 const glsl_type *
 299 glsl_void_type(void)
 300 {
 301    return glsl_type::void_type;
 302 }
 303
 304 const glsl_type *
 305 glsl_float_type(void)
 306 {
 307    return glsl_type::float_type;
 308 }
 309
 310 const glsl_type *
 311 glsl_double_type(void)
 312 {
 313    return glsl_type::double_type;
 314 }
 315
 316 const glsl_type *
 317 glsl_float16_t_type(void)
 318 {
 319    return glsl_type::float16_t_type;
 320 }
 321
 322 const glsl_type *
 323 glsl_vec_type(unsigned n)
 324 {
 325    return glsl_type::vec(n);
 326 }
 327
 328 const glsl_type *
 329 glsl_dvec_type(unsigned n)
 330 {
 331    return glsl_type::dvec(n);
 332 }
 333
 334 const glsl_type *
 335 glsl_vec4_type(void)
 336 {
 337    return glsl_type::vec4_type;
 338 }
 339
 340 const glsl_type *
 341 glsl_uvec4_type(void)
 342 {
 343    return glsl_type::uvec4_type;
 344 }
 345
 346 const glsl_type *
 347 glsl_int_type(void)
 348 {
 349    return glsl_type::int_type;
 350 }
 351
 352 const glsl_type *
 353 glsl_uint_type(void)
 354 {
 355    return glsl_type::uint_type;
 356 }
 357
 358 const glsl_type *
 359 glsl_int64_t_type(void)
 360 {
 361    return glsl_type::int64_t_type;
 362 }
 363
 364 const glsl_type *
 365 glsl_uint64_t_type(void)
 366 {
 367    return glsl_type::uint64_t_type;
 368 }
 369
 370 const glsl_type *
 371 glsl_int16_t_type(void)
 372 {
 373    return glsl_type::int16_t_type;
 374 }
 375
 376 const glsl_type *
 377 glsl_uint16_t_type(void)
 378 {
 379    return glsl_type::uint16_t_type;
 380 }
 381
 382 const glsl_type *
 383 glsl_int8_t_type(void)
 384 {
 385    return glsl_type::int8_t_type;
 386 }
 387
 388 const glsl_type *
 389 glsl_uint8_t_type(void)
 390 {
 391    return glsl_type::uint8_t_type;
 392 }
 393
 394 const glsl_type *
 395 glsl_bool_type(void)
 396 {
 397    return glsl_type::bool_type;
 398 }
 399
 400 const glsl_type *
 401 glsl_scalar_type(enum glsl_base_type base_type)
 402 {
 403    return glsl_type::get_instance(base_type, 1, 1);
 404 }
 405
 406 const glsl_type *
 407 glsl_vector_type(enum glsl_base_type base_type, unsigned components)
 408 {
 409    const glsl_type *t = glsl_type::get_instance(base_type, components, 1);
 410    assert(t != glsl_type::error_type);
 411    return t;
 412 }
 413
 414 const glsl_type *
 415 glsl_matrix_type(enum glsl_base_type base_type, unsigned rows, unsigned columns)
 416 {
 417    const glsl_type *t = glsl_type::get_instance(base_type, rows, columns);
 418    assert(t != glsl_type::error_type);
 419    return t;
 420 }
 421
 422 const glsl_type *
 423 glsl_array_type(const glsl_type *base, unsigned elements)
 424 {
 425    return glsl_type::get_array_instance(base, elements);
 426 }
 427
 428 const glsl_type *
 429 glsl_struct_type(const glsl_struct_field *fields,
 430                  unsigned num_fields, const char *name)
 431 {
 432    return glsl_type::get_record_instance(fields, num_fields, name);
 433 }
 434
 435 const glsl_type *
 436 glsl_interface_type(const glsl_struct_field *fields,
 437                     unsigned num_fields,
 438                     enum glsl_interface_packing packing,
 439                     bool row_major,
 440                     const char *block_name)
 441 {
 442    return glsl_type::get_interface_instance(fields, num_fields, packing,
 443                                             row_major, block_name);
 444 }
 445
 446 const struct glsl_type *
 447 glsl_sampler_type(enum glsl_sampler_dim dim, bool is_shadow, bool is_array,
 448                   enum glsl_base_type base_type)
 449 {
 450    return glsl_type::get_sampler_instance(dim, is_shadow, is_array, base_type);
 451 }
 452
 453 const struct glsl_type *
 454 glsl_bare_sampler_type()
 455 {
 456    return glsl_type::sampler_type;
 457 }
 458
 459 const struct glsl_type *
 460 glsl_image_type(enum glsl_sampler_dim dim, bool is_array,
 461                 enum glsl_base_type base_type)
 462 {
 463    return glsl_type::get_image_instance(dim, is_array, base_type);
 464 }
 465
 466 const glsl_type *
 467 glsl_function_type(const glsl_type *return_type,
 468                    const glsl_function_param *params, unsigned num_params)
 469 {
 470    return glsl_type::get_function_instance(return_type, params, num_params);
 471 }
 472
 473 const glsl_type *
 474 glsl_transposed_type(const struct glsl_type *type)
 475 {
 476    assert(glsl_type_is_matrix(type));
 477    return glsl_type::get_instance(type->base_type, type->matrix_columns,
 478                                   type->vector_elements);
 479 }
 480
 481 const glsl_type *
 482 glsl_channel_type(const glsl_type *t)
 483 {
 484    switch (glsl_get_base_type(t)) {
 485    case GLSL_TYPE_ARRAY: {
 486       const glsl_type *base = glsl_channel_type(glsl_get_array_element(t));
 487       return glsl_array_type(base, glsl_get_length(t));
 488    }
 489    case GLSL_TYPE_UINT:
 490       return glsl_uint_type();
 491    case GLSL_TYPE_INT:
 492       return glsl_int_type();
 493    case GLSL_TYPE_FLOAT:
 494       return glsl_float_type();
 495    case GLSL_TYPE_BOOL:
 496       return glsl_bool_type();
 497    case GLSL_TYPE_DOUBLE:
 498       return glsl_double_type();
 499    case GLSL_TYPE_UINT64:
 500       return glsl_uint64_t_type();
 501    case GLSL_TYPE_INT64:
 502       return glsl_int64_t_type();
 503    case GLSL_TYPE_FLOAT16:
 504       return glsl_float16_t_type();
 505    case GLSL_TYPE_UINT16:
 506       return glsl_uint16_t_type();
 507    case GLSL_TYPE_INT16:
 508       return glsl_int16_t_type();
 509    default:
 510       unreachable("Unhandled base type glsl_channel_type()");
 511    }
 512 }
 513
 514 void
 515 glsl_get_natural_size_align_bytes(const struct glsl_type *type,
 516                                   unsigned *size, unsigned *align)
 517 {
 518    switch (type->base_type) {
 519    case GLSL_TYPE_UINT8:
 520    case GLSL_TYPE_INT8:
 521    case GLSL_TYPE_UINT16:
 522    case GLSL_TYPE_INT16:
 523    case GLSL_TYPE_FLOAT16:
 524    case GLSL_TYPE_UINT:
 525    case GLSL_TYPE_INT:
 526    case GLSL_TYPE_FLOAT:
 527    case GLSL_TYPE_BOOL:
 528    case GLSL_TYPE_DOUBLE:
 529    case GLSL_TYPE_UINT64:
 530    case GLSL_TYPE_INT64: {
 531       unsigned N = glsl_get_bit_size(type) / 8;
 532       *size = N * type->components();
 533       *align = N;
 534       break;
 535    }
 536
 537    case GLSL_TYPE_ARRAY: {
 538       unsigned elem_size, elem_align;
 539       glsl_get_natural_size_align_bytes(type->fields.array,
 540                                         &elem_size, &elem_align);
 541       *align = elem_align;
 542       *size = type->length * ALIGN_POT(elem_size, elem_align);
 543       break;
 544    }
 545
 546    case GLSL_TYPE_STRUCT:
 547       *size = 0;
 548       *align = 0;
 549       for (unsigned i = 0; i < type->length; i++) {
 550          unsigned elem_size, elem_align;
 551          glsl_get_natural_size_align_bytes(type->fields.structure[i].type,
 552                                            &elem_size, &elem_align);
 553          *align = MAX2(*align, elem_align);
 554          *size = ALIGN_POT(*size, elem_align) + elem_size;
 555       }
 556       break;
 557
 558    case GLSL_TYPE_SAMPLER:
 559    case GLSL_TYPE_ATOMIC_UINT:
 560    case GLSL_TYPE_SUBROUTINE:
 561    case GLSL_TYPE_IMAGE:
 562    case GLSL_TYPE_VOID:
 563    case GLSL_TYPE_ERROR:
 564    case GLSL_TYPE_INTERFACE:
 565    case GLSL_TYPE_FUNCTION:
 566       unreachable("type does not have a natural size");
 567    }
 568 }
 569
 570 const glsl_type *
 571 glsl_atomic_uint_type(void)
 572 {
 573    return glsl_type::atomic_uint_type;
 574 }
 575
 576 unsigned
 577 glsl_atomic_size(const struct glsl_type *type)
 578 {
 579    return type->atomic_size();
 580 }
 581
 582 bool
 583 glsl_contains_atomic(const struct glsl_type *type)
 584 {
 585    return type->contains_atomic();
 586 }