src/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 l, *layout;
 201
 202    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO);
 203
 204    l.num_sets = pCreateInfo->setLayoutCount;
 205
 206    unsigned dynamic_offset_count = 0;
 207
 208    memset(l.stage, 0, sizeof(l.stage));
 209    for (uint32_t set = 0; set < pCreateInfo->setLayoutCount; set++) {
 210       ANV_FROM_HANDLE(anv_descriptor_set_layout, set_layout,
 211                       pCreateInfo->pSetLayouts[set]);
 212       l.set[set].layout = set_layout;
 213
 214       l.set[set].dynamic_offset_start = dynamic_offset_count;
 215       for (uint32_t b = 0; b < set_layout->binding_count; b++) {
 216          if (set_layout->binding[b].dynamic_offset_index >= 0)
 217             dynamic_offset_count += set_layout->binding[b].array_size;
 218       }
 219
 220       for (gl_shader_stage s = 0; s < MESA_SHADER_STAGES; s++) {
 221          l.set[set].stage[s].surface_start = l.stage[s].surface_count;
 222          l.set[set].stage[s].sampler_start = l.stage[s].sampler_count;
 223          l.set[set].stage[s].image_start = l.stage[s].image_count;
 224
 225          for (uint32_t b = 0; b < set_layout->binding_count; b++) {
 226             unsigned array_size = set_layout->binding[b].array_size;
 227
 228             if (set_layout->binding[b].stage[s].surface_index >= 0) {
 229                l.stage[s].surface_count += array_size;
 230
 231                if (set_layout->binding[b].dynamic_offset_index >= 0)
 232                   l.stage[s].has_dynamic_offsets = true;
 233             }
 234
 235             if (set_layout->binding[b].stage[s].sampler_index >= 0)
 236                l.stage[s].sampler_count += array_size;
 237
 238             if (set_layout->binding[b].stage[s].image_index >= 0)
 239                l.stage[s].image_count += array_size;
 240          }
 241       }
 242    }
 243
 244    unsigned num_bindings = 0;
 245    for (gl_shader_stage s = 0; s < MESA_SHADER_STAGES; s++) {
 246       num_bindings += l.stage[s].surface_count +
 247                       l.stage[s].sampler_count +
 248                       l.stage[s].image_count;
 249    }
 250
 251    size_t size = sizeof(*layout) + num_bindings * sizeof(layout->entries[0]);
 252
 253    layout = anv_alloc2(&device->alloc, pAllocator, size, 8,
 254                        VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 255    if (layout == NULL)
 256       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 257
 258    /* Now we can actually build our surface and sampler maps */
 259    struct anv_pipeline_binding *entry = layout->entries;
 260    for (gl_shader_stage s = 0; s < MESA_SHADER_STAGES; s++) {
 261       l.stage[s].surface_to_descriptor = entry;
 262       entry += l.stage[s].surface_count;
 263       l.stage[s].sampler_to_descriptor = entry;
 264       entry += l.stage[s].sampler_count;
 265       entry += l.stage[s].image_count;
 266
 267       int surface = 0;
 268       int sampler = 0;
 269       for (uint32_t set = 0; set < pCreateInfo->setLayoutCount; set++) {
 270          struct anv_descriptor_set_layout *set_layout = l.set[set].layout;
 271
 272          for (uint32_t b = 0; b < set_layout->binding_count; b++) {
 273             unsigned array_size = set_layout->binding[b].array_size;
 274             unsigned set_offset = set_layout->binding[b].descriptor_index;
 275
 276             if (set_layout->binding[b].stage[s].surface_index >= 0) {
 277                assert(surface == l.set[set].stage[s].surface_start +
 278                                  set_layout->binding[b].stage[s].surface_index);
 279                for (unsigned i = 0; i < array_size; i++) {
 280                   l.stage[s].surface_to_descriptor[surface + i].set = set;
 281                   l.stage[s].surface_to_descriptor[surface + i].offset = set_offset + i;
 282                }
 283                surface += array_size;
 284             }
 285
 286             if (set_layout->binding[b].stage[s].sampler_index >= 0) {
 287                assert(sampler == l.set[set].stage[s].sampler_start +
 288                                  set_layout->binding[b].stage[s].sampler_index);
 289                for (unsigned i = 0; i < array_size; i++) {
 290                   l.stage[s].sampler_to_descriptor[sampler + i].set = set;
 291                   l.stage[s].sampler_to_descriptor[sampler + i].offset = set_offset + i;
 292                }
 293                sampler += array_size;
 294             }
 295          }
 296       }
 297    }
 298
 299    /* Finally, we're done setting it up, copy into the allocated version */
 300    *layout = l;
 301
 302    *pPipelineLayout = anv_pipeline_layout_to_handle(layout);
 303
 304    return VK_SUCCESS;
 305 }
 306
 307 void anv_DestroyPipelineLayout(
 308     VkDevice                                    _device,
 309     VkPipelineLayout                            _pipelineLayout,
 310     const VkAllocationCallbacks*                pAllocator)
 311 {
 312    ANV_FROM_HANDLE(anv_device, device, _device);
 313    ANV_FROM_HANDLE(anv_pipeline_layout, pipeline_layout, _pipelineLayout);
 314
 315    anv_free2(&device->alloc, pAllocator, pipeline_layout);
 316 }
 317
 318 /*
 319  * Descriptor pools.  These are a no-op for now.
 320  */
 321
 322 VkResult anv_CreateDescriptorPool(
 323     VkDevice                                    device,
 324     const VkDescriptorPoolCreateInfo*           pCreateInfo,
 325     const VkAllocationCallbacks*                pAllocator,
 326     VkDescriptorPool*                           pDescriptorPool)
 327 {
 328    anv_finishme("VkDescriptorPool is a stub");
 329    *pDescriptorPool = (VkDescriptorPool)1;
 330    return VK_SUCCESS;
 331 }
 332
 333 void anv_DestroyDescriptorPool(
 334     VkDevice                                    _device,
 335     VkDescriptorPool                            _pool,
 336     const VkAllocationCallbacks*                pAllocator)
 337 {
 338    anv_finishme("VkDescriptorPool is a stub: free the pool's descriptor sets");
 339 }
 340
 341 VkResult anv_ResetDescriptorPool(
 342     VkDevice                                    device,
 343     VkDescriptorPool                            descriptorPool,
 344     VkDescriptorPoolResetFlags                  flags)
 345 {
 346    anv_finishme("VkDescriptorPool is a stub: free the pool's descriptor sets");
 347    return VK_SUCCESS;
 348 }
 349
 350 VkResult
 351 anv_descriptor_set_create(struct anv_device *device,
 352                           const struct anv_descriptor_set_layout *layout,
 353                           struct anv_descriptor_set **out_set)
 354 {
 355    struct anv_descriptor_set *set;
 356    size_t size = sizeof(*set) + layout->size * sizeof(set->descriptors[0]);
 357
 358    set = anv_alloc(&device->alloc /* XXX: Use the pool */, size, 8,
 359                    VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 360    if (!set)
 361       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 362
 363    /* A descriptor set may not be 100% filled. Clear the set so we can can
 364     * later detect holes in it.
 365     */
 366    memset(set, 0, size);
 367
 368    set->layout = layout;
 369
 370    /* Go through and fill out immutable samplers if we have any */
 371    struct anv_descriptor *desc = set->descriptors;
 372    for (uint32_t b = 0; b < layout->binding_count; b++) {
 373       if (layout->binding[b].immutable_samplers) {
 374          for (uint32_t i = 0; i < layout->binding[b].array_size; i++)
 375             desc[i].sampler = layout->binding[b].immutable_samplers[i];
 376       }
 377       desc += layout->binding[b].array_size;
 378    }
 379
 380    /* XXX: Use the pool */
 381    set->buffer_views =
 382       anv_alloc(&device->alloc,
 383                 sizeof(set->buffer_views[0]) * layout->buffer_count, 8,
 384                 VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 385    if (!set->buffer_views) {
 386       anv_free(&device->alloc, set);
 387       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 388    }
 389
 390    for (uint32_t b = 0; b < layout->buffer_count; b++) {
 391       set->buffer_views[b].surface_state =
 392          anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
 393    }
 394    set->buffer_count = layout->buffer_count;
 395    *out_set = set;
 396
 397    return VK_SUCCESS;
 398 }
 399
 400 void
 401 anv_descriptor_set_destroy(struct anv_device *device,
 402                            struct anv_descriptor_set *set)
 403 {
 404    /* XXX: Use the pool */
 405    for (uint32_t b = 0; b < set->buffer_count; b++)
 406       anv_state_pool_free(&device->surface_state_pool,
 407                           set->buffer_views[b].surface_state);
 408
 409    anv_free(&device->alloc, set->buffer_views);
 410    anv_free(&device->alloc, set);
 411 }
 412
 413 VkResult anv_AllocateDescriptorSets(
 414     VkDevice                                    _device,
 415     const VkDescriptorSetAllocateInfo*          pAllocateInfo,
 416     VkDescriptorSet*                            pDescriptorSets)
 417 {
 418    ANV_FROM_HANDLE(anv_device, device, _device);
 419
 420    VkResult result = VK_SUCCESS;
 421    struct anv_descriptor_set *set;
 422    uint32_t i;
 423
 424    for (i = 0; i < pAllocateInfo->descriptorSetCount; i++) {
 425       ANV_FROM_HANDLE(anv_descriptor_set_layout, layout,
 426                       pAllocateInfo->pSetLayouts[i]);
 427
 428       result = anv_descriptor_set_create(device, layout, &set);
 429       if (result != VK_SUCCESS)
 430          break;
 431
 432       pDescriptorSets[i] = anv_descriptor_set_to_handle(set);
 433    }
 434
 435    if (result != VK_SUCCESS)
 436       anv_FreeDescriptorSets(_device, pAllocateInfo->descriptorPool,
 437                              i, pDescriptorSets);
 438
 439    return result;
 440 }
 441
 442 VkResult anv_FreeDescriptorSets(
 443     VkDevice                                    _device,
 444     VkDescriptorPool                            descriptorPool,
 445     uint32_t                                    count,
 446     const VkDescriptorSet*                      pDescriptorSets)
 447 {
 448    ANV_FROM_HANDLE(anv_device, device, _device);
 449
 450    for (uint32_t i = 0; i < count; i++) {
 451       ANV_FROM_HANDLE(anv_descriptor_set, set, pDescriptorSets[i]);
 452
 453       anv_descriptor_set_destroy(device, set);
 454    }
 455
 456    return VK_SUCCESS;
 457 }
 458
 459 void anv_UpdateDescriptorSets(
 460     VkDevice                                    _device,
 461     uint32_t                                    descriptorWriteCount,
 462     const VkWriteDescriptorSet*                 pDescriptorWrites,
 463     uint32_t                                    descriptorCopyCount,
 464     const VkCopyDescriptorSet*                  pDescriptorCopies)
 465 {
 466    ANV_FROM_HANDLE(anv_device, device, _device);
 467
 468    for (uint32_t i = 0; i < descriptorWriteCount; i++) {
 469       const VkWriteDescriptorSet *write = &pDescriptorWrites[i];
 470       ANV_FROM_HANDLE(anv_descriptor_set, set, write->dstSet);
 471       const struct anv_descriptor_set_binding_layout *bind_layout =
 472          &set->layout->binding[write->dstBinding];
 473       struct anv_descriptor *desc =
 474          &set->descriptors[bind_layout->descriptor_index];
 475       desc += write->dstArrayElement;
 476
 477       switch (write->descriptorType) {
 478       case VK_DESCRIPTOR_TYPE_SAMPLER:
 479          for (uint32_t j = 0; j < write->descriptorCount; j++) {
 480             ANV_FROM_HANDLE(anv_sampler, sampler,
 481                             write->pImageInfo[j].sampler);
 482
 483             desc[j] = (struct anv_descriptor) {
 484                .type = VK_DESCRIPTOR_TYPE_SAMPLER,
 485                .sampler = sampler,
 486             };
 487          }
 488          break;
 489
 490       case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
 491          for (uint32_t j = 0; j < write->descriptorCount; j++) {
 492             ANV_FROM_HANDLE(anv_image_view, iview,
 493                             write->pImageInfo[j].imageView);
 494             ANV_FROM_HANDLE(anv_sampler, sampler,
 495                             write->pImageInfo[j].sampler);
 496
 497             desc[j].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
 498             desc[j].image_view = iview;
 499
 500             /* If this descriptor has an immutable sampler, we don't want
 501              * to stomp on it.
 502              */
 503             if (sampler)
 504                desc[j].sampler = sampler;
 505          }
 506          break;
 507
 508       case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
 509       case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
 510          for (uint32_t j = 0; j < write->descriptorCount; j++) {
 511             ANV_FROM_HANDLE(anv_image_view, iview,
 512                             write->pImageInfo[j].imageView);
 513
 514             desc[j] = (struct anv_descriptor) {
 515                .type = write->descriptorType,
 516                .image_view = iview,
 517             };
 518          }
 519          break;
 520
 521       case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
 522       case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
 523          for (uint32_t j = 0; j < write->descriptorCount; j++) {
 524             ANV_FROM_HANDLE(anv_buffer_view, bview,
 525                             write->pTexelBufferView[j]);
 526
 527             desc[j] = (struct anv_descriptor) {
 528                .type = write->descriptorType,
 529                .buffer_view = bview,
 530             };
 531          }
 532          break;
 533
 534       case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
 535          anv_finishme("input attachments not implemented");
 536          break;
 537
 538       case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
 539       case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
 540       case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
 541       case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
 542          for (uint32_t j = 0; j < write->descriptorCount; j++) {
 543             assert(write->pBufferInfo[j].buffer);
 544             ANV_FROM_HANDLE(anv_buffer, buffer, write->pBufferInfo[j].buffer);
 545             assert(buffer);
 546
 547             struct anv_buffer_view *view =
 548                &set->buffer_views[bind_layout->buffer_index];
 549             view += write->dstArrayElement + j;
 550
 551             const struct anv_format *format =
 552                anv_format_for_descriptor_type(write->descriptorType);
 553
 554             view->format = format->isl_format;
 555             view->bo = buffer->bo;
 556             view->offset = buffer->offset + write->pBufferInfo[j].offset;
 557
 558             /* For buffers with dynamic offsets, we use the full possible
 559              * range in the surface state and do the actual range-checking
 560              * in the shader.
 561              */
 562             if (bind_layout->dynamic_offset_index >= 0 ||
 563                 write->pBufferInfo[j].range == VK_WHOLE_SIZE)
 564                view->range = buffer->size - write->pBufferInfo[j].offset;
 565             else
 566                view->range = write->pBufferInfo[j].range;
 567
 568             anv_fill_buffer_surface_state(device, view->surface_state,
 569                                           view->format,
 570                                           view->offset, view->range, 1);
 571
 572             desc[j] = (struct anv_descriptor) {
 573                .type = write->descriptorType,
 574                .buffer_view = view,
 575             };
 576
 577          }
 578
 579       default:
 580          break;
 581       }
 582    }
 583
 584    for (uint32_t i = 0; i < descriptorCopyCount; i++) {
 585       const VkCopyDescriptorSet *copy = &pDescriptorCopies[i];
 586       ANV_FROM_HANDLE(anv_descriptor_set, src, copy->dstSet);
 587       ANV_FROM_HANDLE(anv_descriptor_set, dst, copy->dstSet);
 588
 589       const struct anv_descriptor_set_binding_layout *src_layout =
 590          &src->layout->binding[copy->srcBinding];
 591       struct anv_descriptor *src_desc =
 592          &src->descriptors[src_layout->descriptor_index];
 593       src_desc += copy->srcArrayElement;
 594
 595       const struct anv_descriptor_set_binding_layout *dst_layout =
 596          &dst->layout->binding[copy->dstBinding];
 597       struct anv_descriptor *dst_desc =
 598          &dst->descriptors[dst_layout->descriptor_index];
 599       dst_desc += copy->dstArrayElement;
 600
 601       for (uint32_t j = 0; j < copy->descriptorCount; j++)
 602          dst_desc[j] = src_desc[j];
 603    }
 604 }