src/intel/vulkan/anv_descriptor_set.c

   1 /*
   2  * Copyright © 2015 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
  24 #include <assert.h>
  25 #include <stdbool.h>
  26 #include <string.h>
  27 #include <unistd.h>
  28 #include <fcntl.h>
  29
  30 #include "anv_private.h"
  31
  32 /*
  33  * Descriptor set layouts.
  34  */
  35
  36 VkResult anv_CreateDescriptorSetLayout(
  37     VkDevice                                    _device,
  38     const VkDescriptorSetLayoutCreateInfo*      pCreateInfo,
  39     const VkAllocationCallbacks*                pAllocator,
  40     VkDescriptorSetLayout*                      pSetLayout)
  41 {
  42    ANV_FROM_HANDLE(anv_device, device, _device);
  43    struct anv_descriptor_set_layout *set_layout;
  44
  45    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO);
  46
  47    uint32_t max_binding = 0;
  48    uint32_t immutable_sampler_count = 0;
  49    for (uint32_t j = 0; j < pCreateInfo->bindingCount; j++) {
  50       max_binding = MAX2(max_binding, pCreateInfo->pBindings[j].binding);
  51       if (pCreateInfo->pBindings[j].pImmutableSamplers)
  52          immutable_sampler_count += pCreateInfo->pBindings[j].descriptorCount;
  53    }
  54
  55    size_t size = sizeof(struct anv_descriptor_set_layout) +
  56                  (max_binding + 1) * sizeof(set_layout->binding[0]) +
  57                  immutable_sampler_count * sizeof(struct anv_sampler *);
  58
  59    set_layout = anv_alloc2(&device->alloc, pAllocator, size, 8,
  60                            VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
  61    if (!set_layout)
  62       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
  63
  64    /* We just allocate all the samplers at the end of the struct */
  65    struct anv_sampler **samplers =
  66       (struct anv_sampler **)&set_layout->binding[max_binding + 1];
  67
  68    set_layout->binding_count = max_binding + 1;
  69    set_layout->shader_stages = 0;
  70    set_layout->size = 0;
  71
  72    for (uint32_t b = 0; b <= max_binding; b++) {
  73       /* Initialize all binding_layout entries to -1 */
  74       memset(&set_layout->binding[b], -1, sizeof(set_layout->binding[b]));
  75
  76       set_layout->binding[b].immutable_samplers = NULL;
  77    }
  78
  79    /* Initialize all samplers to 0 */
  80    memset(samplers, 0, immutable_sampler_count * sizeof(*samplers));
  81
  82    uint32_t sampler_count[MESA_SHADER_STAGES] = { 0, };
  83    uint32_t surface_count[MESA_SHADER_STAGES] = { 0, };
  84    uint32_t image_count[MESA_SHADER_STAGES] = { 0, };
  85    uint32_t buffer_count = 0;
  86    uint32_t dynamic_offset_count = 0;
  87
  88    for (uint32_t j = 0; j < pCreateInfo->bindingCount; j++) {
  89       const VkDescriptorSetLayoutBinding *binding = &pCreateInfo->pBindings[j];
  90       uint32_t b = binding->binding;
  91
  92       assert(binding->descriptorCount > 0);
  93       set_layout->binding[b].array_size = binding->descriptorCount;
  94       set_layout->binding[b].descriptor_index = set_layout->size;
  95       set_layout->size += binding->descriptorCount;
  96
  97       switch (binding->descriptorType) {
  98       case VK_DESCRIPTOR_TYPE_SAMPLER:
  99       case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
 100          anv_foreach_stage(s, binding->stageFlags) {
 101             set_layout->binding[b].stage[s].sampler_index = sampler_count[s];
 102             sampler_count[s] += binding->descriptorCount;
 103          }
 104          break;
 105       default:
 106          break;
 107       }
 108
 109       switch (binding->descriptorType) {
 110       case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
 111       case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
 112       case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
 113       case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
 114          set_layout->binding[b].buffer_index = buffer_count;
 115          buffer_count += binding->descriptorCount;
 116          /* fall through */
 117
 118       case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
 119       case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
 120       case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
 121       case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
 122       case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
 123       case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
 124          anv_foreach_stage(s, binding->stageFlags) {
 125             set_layout->binding[b].stage[s].surface_index = surface_count[s];
 126             surface_count[s] += binding->descriptorCount;
 127          }
 128          break;
 129       default:
 130          break;
 131       }
 132
 133       switch (binding->descriptorType) {
 134       case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
 135       case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
 136          set_layout->binding[b].dynamic_offset_index = dynamic_offset_count;
 137          dynamic_offset_count += binding->descriptorCount;
 138          break;
 139       default:
 140          break;
 141       }
 142
 143       switch (binding->descriptorType) {
 144       case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
 145       case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
 146          anv_foreach_stage(s, binding->stageFlags) {
 147             set_layout->binding[b].stage[s].image_index = image_count[s];
 148             image_count[s] += binding->descriptorCount;
 149          }
 150          break;
 151       default:
 152          break;
 153       }
 154
 155       if (binding->pImmutableSamplers) {
 156          set_layout->binding[b].immutable_samplers = samplers;
 157          samplers += binding->descriptorCount;
 158
 159          for (uint32_t i = 0; i < binding->descriptorCount; i++)
 160             set_layout->binding[b].immutable_samplers[i] =
 161                anv_sampler_from_handle(binding->pImmutableSamplers[i]);
 162       } else {
 163          set_layout->binding[b].immutable_samplers = NULL;
 164       }
 165
 166       set_layout->shader_stages |= binding->stageFlags;
 167    }
 168
 169    set_layout->buffer_count = buffer_count;
 170    set_layout->dynamic_offset_count = dynamic_offset_count;
 171
 172    *pSetLayout = anv_descriptor_set_layout_to_handle(set_layout);
 173
 174    return VK_SUCCESS;
 175 }
 176
 177 void anv_DestroyDescriptorSetLayout(
 178     VkDevice                                    _device,
 179     VkDescriptorSetLayout                       _set_layout,
 180     const VkAllocationCallbacks*                pAllocator)
 181 {
 182    ANV_FROM_HANDLE(anv_device, device, _device);
 183    ANV_FROM_HANDLE(anv_descriptor_set_layout, set_layout, _set_layout);
 184
 185    anv_free2(&device->alloc, pAllocator, set_layout);
 186 }
 187
 188 /*
 189  * Pipeline layouts.  These have nothing to do with the pipeline.  They are
 190  * just muttiple descriptor set layouts pasted together
 191  */
 192
 193 VkResult anv_CreatePipelineLayout(
 194     VkDevice                                    _device,
 195     const VkPipelineLayoutCreateInfo*           pCreateInfo,
 196     const VkAllocationCallbacks*                pAllocator,
 197     VkPipelineLayout*                           pPipelineLayout)
 198 {
 199    ANV_FROM_HANDLE(anv_device, device, _device);
 200    struct anv_pipeline_layout *layout;
 201
 202    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO);
 203
 204    layout = anv_alloc2(&device->alloc, pAllocator, sizeof(*layout), 8,
 205                        VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 206    if (layout == NULL)
 207       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 208
 209    layout->num_sets = pCreateInfo->setLayoutCount;
 210
 211    unsigned dynamic_offset_count = 0;
 212
 213    memset(layout->stage, 0, sizeof(layout->stage));
 214    for (uint32_t set = 0; set < pCreateInfo->setLayoutCount; set++) {
 215       ANV_FROM_HANDLE(anv_descriptor_set_layout, set_layout,
 216                       pCreateInfo->pSetLayouts[set]);
 217       layout->set[set].layout = set_layout;
 218
 219       layout->set[set].dynamic_offset_start = dynamic_offset_count;
 220       for (uint32_t b = 0; b < set_layout->binding_count; b++) {
 221          if (set_layout->binding[b].dynamic_offset_index < 0)
 222             continue;
 223
 224          dynamic_offset_count += set_layout->binding[b].array_size;
 225          for (gl_shader_stage s = 0; s < MESA_SHADER_STAGES; s++) {
 226             if (set_layout->binding[b].stage[s].surface_index >= 0)
 227                layout->stage[s].has_dynamic_offsets = true;
 228          }
 229       }
 230    }
 231
 232    *pPipelineLayout = anv_pipeline_layout_to_handle(layout);
 233
 234    return VK_SUCCESS;
 235 }
 236
 237 void anv_DestroyPipelineLayout(
 238     VkDevice                                    _device,
 239     VkPipelineLayout                            _pipelineLayout,
 240     const VkAllocationCallbacks*                pAllocator)
 241 {
 242    ANV_FROM_HANDLE(anv_device, device, _device);
 243    ANV_FROM_HANDLE(anv_pipeline_layout, pipeline_layout, _pipelineLayout);
 244
 245    anv_free2(&device->alloc, pAllocator, pipeline_layout);
 246 }
 247
 248 /*
 249  * Descriptor pools.
 250  *
 251  * These are implemented using a big pool of memory and a free-list for the
 252  * host memory allocations and a state_stream and a free list for the buffer
 253  * view surface state. The spec allows us to fail to allocate due to
 254  * fragmentation in all cases but two: 1) after pool reset, allocating up
 255  * until the pool size with no freeing must succeed and 2) allocating and
 256  * freeing only descriptor sets with the same layout. Case 1) is easy enogh,
 257  * and the free lists lets us recycle blocks for case 2).
 258  */
 259
 260 #define EMPTY 1
 261
 262 VkResult anv_CreateDescriptorPool(
 263     VkDevice                                    _device,
 264     const VkDescriptorPoolCreateInfo*           pCreateInfo,
 265     const VkAllocationCallbacks*                pAllocator,
 266     VkDescriptorPool*                           pDescriptorPool)
 267 {
 268    ANV_FROM_HANDLE(anv_device, device, _device);
 269    struct anv_descriptor_pool *pool;
 270
 271    uint32_t descriptor_count = 0;
 272    uint32_t buffer_count = 0;
 273    for (uint32_t i = 0; i < pCreateInfo->poolSizeCount; i++) {
 274       switch (pCreateInfo->pPoolSizes[i].type) {
 275       case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
 276       case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
 277       case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
 278       case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
 279          buffer_count += pCreateInfo->pPoolSizes[i].descriptorCount;
 280       default:
 281          descriptor_count += pCreateInfo->pPoolSizes[i].descriptorCount;
 282          break;
 283       }
 284    }
 285
 286    const size_t set_size =
 287       sizeof(struct anv_descriptor_set) +
 288       descriptor_count * sizeof(struct anv_descriptor) +
 289       buffer_count * sizeof(struct anv_buffer_view);
 290
 291    const size_t size =
 292       sizeof(*pool) +
 293       pCreateInfo->maxSets * set_size;
 294
 295    pool = anv_alloc2(&device->alloc, pAllocator, size, 8,
 296                      VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 297    if (!pool)
 298       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 299
 300    pool->size = size;
 301    pool->next = 0;
 302    pool->free_list = EMPTY;
 303
 304    anv_state_stream_init(&pool->surface_state_stream,
 305                          &device->surface_state_block_pool);
 306    pool->surface_state_free_list = NULL;
 307
 308    *pDescriptorPool = anv_descriptor_pool_to_handle(pool);
 309
 310    return VK_SUCCESS;
 311 }
 312
 313 void anv_DestroyDescriptorPool(
 314     VkDevice                                    _device,
 315     VkDescriptorPool                            _pool,
 316     const VkAllocationCallbacks*                pAllocator)
 317 {
 318    ANV_FROM_HANDLE(anv_device, device, _device);
 319    ANV_FROM_HANDLE(anv_descriptor_pool, pool, _pool);
 320
 321    anv_state_stream_finish(&pool->surface_state_stream);
 322    anv_free2(&device->alloc, pAllocator, pool);
 323 }
 324
 325 VkResult anv_ResetDescriptorPool(
 326     VkDevice                                    _device,
 327     VkDescriptorPool                            descriptorPool,
 328     VkDescriptorPoolResetFlags                  flags)
 329 {
 330    ANV_FROM_HANDLE(anv_device, device, _device);
 331    ANV_FROM_HANDLE(anv_descriptor_pool, pool, descriptorPool);
 332
 333    pool->next = 0;
 334    pool->free_list = EMPTY;
 335    anv_state_stream_finish(&pool->surface_state_stream);
 336    anv_state_stream_init(&pool->surface_state_stream,
 337                          &device->surface_state_block_pool);
 338    pool->surface_state_free_list = NULL;
 339
 340    return VK_SUCCESS;
 341 }
 342
 343 struct pool_free_list_entry {
 344    uint32_t next;
 345    uint32_t size;
 346 };
 347
 348 static size_t
 349 layout_size(const struct anv_descriptor_set_layout *layout)
 350 {
 351    return
 352       sizeof(struct anv_descriptor_set) +
 353       layout->size * sizeof(struct anv_descriptor) +
 354       layout->buffer_count * sizeof(struct anv_buffer_view);
 355 }
 356
 357 struct surface_state_free_list_entry {
 358    void *next;
 359    uint32_t offset;
 360 };
 361
 362 VkResult
 363 anv_descriptor_set_create(struct anv_device *device,
 364                           struct anv_descriptor_pool *pool,
 365                           const struct anv_descriptor_set_layout *layout,
 366                           struct anv_descriptor_set **out_set)
 367 {
 368    struct anv_descriptor_set *set;
 369    const size_t size = layout_size(layout);
 370
 371    set = NULL;
 372    if (size <= pool->size - pool->next) {
 373       set = (struct anv_descriptor_set *) (pool->data + pool->next);
 374       pool->next += size;
 375    } else {
 376       struct pool_free_list_entry *entry;
 377       uint32_t *link = &pool->free_list;
 378       for (uint32_t f = pool->free_list; f != EMPTY; f = entry->next) {
 379          entry = (struct pool_free_list_entry *) (pool->data + f);
 380          if (size <= entry->size) {
 381             *link = entry->next;
 382             set = (struct anv_descriptor_set *) entry;
 383             break;
 384          }
 385          link = &entry->next;
 386       }
 387    }
 388
 389    if (set == NULL)
 390       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 391
 392    set->size = size;
 393    set->layout = layout;
 394    set->buffer_views =
 395       (struct anv_buffer_view *) &set->descriptors[layout->size];
 396    set->buffer_count = layout->buffer_count;
 397
 398    /* Go through and fill out immutable samplers if we have any */
 399    struct anv_descriptor *desc = set->descriptors;
 400    for (uint32_t b = 0; b < layout->binding_count; b++) {
 401       if (layout->binding[b].immutable_samplers) {
 402          for (uint32_t i = 0; i < layout->binding[b].array_size; i++) {
 403             /* The type will get changed to COMBINED_IMAGE_SAMPLER in
 404              * UpdateDescriptorSets if needed.  However, if the descriptor
 405              * set has an immutable sampler, UpdateDescriptorSets may never
 406              * touch it, so we need to make sure it's 100% valid now.
 407              */
 408             desc[i] = (struct anv_descriptor) {
 409                .type = VK_DESCRIPTOR_TYPE_SAMPLER,
 410                .sampler = layout->binding[b].immutable_samplers[i],
 411             };
 412          }
 413       }
 414       desc += layout->binding[b].array_size;
 415    }
 416
 417    /* Allocate surface state for the buffer views. */
 418    for (uint32_t b = 0; b < layout->buffer_count; b++) {
 419       struct surface_state_free_list_entry *entry =
 420          pool->surface_state_free_list;
 421       struct anv_state state;
 422
 423       if (entry) {
 424          state.map = entry;
 425          state.offset = entry->offset;
 426          state.alloc_size = 64;
 427          pool->surface_state_free_list = entry->next;
 428       } else {
 429          state = anv_state_stream_alloc(&pool->surface_state_stream, 64, 64);
 430       }
 431
 432       set->buffer_views[b].surface_state = state;
 433    }
 434
 435    *out_set = set;
 436
 437    return VK_SUCCESS;
 438 }
 439
 440 void
 441 anv_descriptor_set_destroy(struct anv_device *device,
 442                            struct anv_descriptor_pool *pool,
 443                            struct anv_descriptor_set *set)
 444 {
 445    /* Put the buffer view surface state back on the free list. */
 446    for (uint32_t b = 0; b < set->buffer_count; b++) {
 447       struct surface_state_free_list_entry *entry =
 448          set->buffer_views[b].surface_state.map;
 449       entry->next = pool->surface_state_free_list;
 450       pool->surface_state_free_list = entry;
 451    }
 452
 453    /* Put the descriptor set allocation back on the free list. */
 454    const uint32_t index = (char *) set - pool->data;
 455    if (index + set->size == pool->next) {
 456       pool->next = index;
 457    } else {
 458       struct pool_free_list_entry *entry = (struct pool_free_list_entry *) set;
 459       entry->next = pool->free_list;
 460       entry->size = set->size;
 461       pool->free_list = (char *) entry - pool->data;
 462    }
 463 }
 464
 465 VkResult anv_AllocateDescriptorSets(
 466     VkDevice                                    _device,
 467     const VkDescriptorSetAllocateInfo*          pAllocateInfo,
 468     VkDescriptorSet*                            pDescriptorSets)
 469 {
 470    ANV_FROM_HANDLE(anv_device, device, _device);
 471    ANV_FROM_HANDLE(anv_descriptor_pool, pool, pAllocateInfo->descriptorPool);
 472
 473    VkResult result = VK_SUCCESS;
 474    struct anv_descriptor_set *set;
 475    uint32_t i;
 476
 477    for (i = 0; i < pAllocateInfo->descriptorSetCount; i++) {
 478       ANV_FROM_HANDLE(anv_descriptor_set_layout, layout,
 479                       pAllocateInfo->pSetLayouts[i]);
 480
 481       result = anv_descriptor_set_create(device, pool, layout, &set);
 482       if (result != VK_SUCCESS)
 483          break;
 484
 485       pDescriptorSets[i] = anv_descriptor_set_to_handle(set);
 486    }
 487
 488    if (result != VK_SUCCESS)
 489       anv_FreeDescriptorSets(_device, pAllocateInfo->descriptorPool,
 490                              i, pDescriptorSets);
 491
 492    return result;
 493 }
 494
 495 VkResult anv_FreeDescriptorSets(
 496     VkDevice                                    _device,
 497     VkDescriptorPool                            descriptorPool,
 498     uint32_t                                    count,
 499     const VkDescriptorSet*                      pDescriptorSets)
 500 {
 501    ANV_FROM_HANDLE(anv_device, device, _device);
 502    ANV_FROM_HANDLE(anv_descriptor_pool, pool, descriptorPool);
 503
 504    for (uint32_t i = 0; i < count; i++) {
 505       ANV_FROM_HANDLE(anv_descriptor_set, set, pDescriptorSets[i]);
 506
 507       anv_descriptor_set_destroy(device, pool, set);
 508    }
 509
 510    return VK_SUCCESS;
 511 }
 512
 513 void anv_UpdateDescriptorSets(
 514     VkDevice                                    _device,
 515     uint32_t                                    descriptorWriteCount,
 516     const VkWriteDescriptorSet*                 pDescriptorWrites,
 517     uint32_t                                    descriptorCopyCount,
 518     const VkCopyDescriptorSet*                  pDescriptorCopies)
 519 {
 520    ANV_FROM_HANDLE(anv_device, device, _device);
 521
 522    for (uint32_t i = 0; i < descriptorWriteCount; i++) {
 523       const VkWriteDescriptorSet *write = &pDescriptorWrites[i];
 524       ANV_FROM_HANDLE(anv_descriptor_set, set, write->dstSet);
 525       const struct anv_descriptor_set_binding_layout *bind_layout =
 526          &set->layout->binding[write->dstBinding];
 527       struct anv_descriptor *desc =
 528          &set->descriptors[bind_layout->descriptor_index];
 529       desc += write->dstArrayElement;
 530
 531       switch (write->descriptorType) {
 532       case VK_DESCRIPTOR_TYPE_SAMPLER:
 533          for (uint32_t j = 0; j < write->descriptorCount; j++) {
 534             ANV_FROM_HANDLE(anv_sampler, sampler,
 535                             write->pImageInfo[j].sampler);
 536
 537             desc[j] = (struct anv_descriptor) {
 538                .type = VK_DESCRIPTOR_TYPE_SAMPLER,
 539                .sampler = sampler,
 540             };
 541          }
 542          break;
 543
 544       case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
 545          for (uint32_t j = 0; j < write->descriptorCount; j++) {
 546             ANV_FROM_HANDLE(anv_image_view, iview,
 547                             write->pImageInfo[j].imageView);
 548             ANV_FROM_HANDLE(anv_sampler, sampler,
 549                             write->pImageInfo[j].sampler);
 550
 551             desc[j].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
 552             desc[j].image_view = iview;
 553
 554             /* If this descriptor has an immutable sampler, we don't want
 555              * to stomp on it.
 556              */
 557             if (sampler)
 558                desc[j].sampler = sampler;
 559          }
 560          break;
 561
 562       case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
 563       case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
 564          for (uint32_t j = 0; j < write->descriptorCount; j++) {
 565             ANV_FROM_HANDLE(anv_image_view, iview,
 566                             write->pImageInfo[j].imageView);
 567
 568             desc[j] = (struct anv_descriptor) {
 569                .type = write->descriptorType,
 570                .image_view = iview,
 571             };
 572          }
 573          break;
 574
 575       case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
 576       case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
 577          for (uint32_t j = 0; j < write->descriptorCount; j++) {
 578             ANV_FROM_HANDLE(anv_buffer_view, bview,
 579                             write->pTexelBufferView[j]);
 580
 581             desc[j] = (struct anv_descriptor) {
 582                .type = write->descriptorType,
 583                .buffer_view = bview,
 584             };
 585          }
 586          break;
 587
 588       case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
 589          anv_finishme("input attachments not implemented");
 590          break;
 591
 592       case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
 593       case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
 594       case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
 595       case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
 596          for (uint32_t j = 0; j < write->descriptorCount; j++) {
 597             assert(write->pBufferInfo[j].buffer);
 598             ANV_FROM_HANDLE(anv_buffer, buffer, write->pBufferInfo[j].buffer);
 599             assert(buffer);
 600
 601             struct anv_buffer_view *view =
 602                &set->buffer_views[bind_layout->buffer_index];
 603             view += write->dstArrayElement + j;
 604
 605             const struct anv_format *format =
 606                anv_format_for_descriptor_type(write->descriptorType);
 607
 608             view->format = format->isl_format;
 609             view->bo = buffer->bo;
 610             view->offset = buffer->offset + write->pBufferInfo[j].offset;
 611
 612             /* For buffers with dynamic offsets, we use the full possible
 613              * range in the surface state and do the actual range-checking
 614              * in the shader.
 615              */
 616             if (bind_layout->dynamic_offset_index >= 0 ||
 617                 write->pBufferInfo[j].range == VK_WHOLE_SIZE)
 618                view->range = buffer->size - write->pBufferInfo[j].offset;
 619             else
 620                view->range = write->pBufferInfo[j].range;
 621
 622             anv_fill_buffer_surface_state(device, view->surface_state,
 623                                           view->format,
 624                                           view->offset, view->range, 1);
 625
 626             desc[j] = (struct anv_descriptor) {
 627                .type = write->descriptorType,
 628                .buffer_view = view,
 629             };
 630
 631          }
 632
 633       default:
 634          break;
 635       }
 636    }
 637
 638    for (uint32_t i = 0; i < descriptorCopyCount; i++) {
 639       const VkCopyDescriptorSet *copy = &pDescriptorCopies[i];
 640       ANV_FROM_HANDLE(anv_descriptor_set, src, copy->dstSet);
 641       ANV_FROM_HANDLE(anv_descriptor_set, dst, copy->dstSet);
 642
 643       const struct anv_descriptor_set_binding_layout *src_layout =
 644          &src->layout->binding[copy->srcBinding];
 645       struct anv_descriptor *src_desc =
 646          &src->descriptors[src_layout->descriptor_index];
 647       src_desc += copy->srcArrayElement;
 648
 649       const struct anv_descriptor_set_binding_layout *dst_layout =
 650          &dst->layout->binding[copy->dstBinding];
 651       struct anv_descriptor *dst_desc =
 652          &dst->descriptors[dst_layout->descriptor_index];
 653       dst_desc += copy->dstArrayElement;
 654
 655       for (uint32_t j = 0; j < copy->descriptorCount; j++)
 656          dst_desc[j] = src_desc[j];
 657    }
 658 }