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