src/intel/vulkan/anv_pipeline_cache.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 "compiler/blob.h"
  25 #include "util/hash_table.h"
  26 #include "util/debug.h"
  27 #include "anv_private.h"
  28
  29 struct anv_shader_bin *
  30 anv_shader_bin_create(struct anv_device *device,
  31                       const void *key_data, uint32_t key_size,
  32                       const void *kernel_data, uint32_t kernel_size,
  33                       const void *constant_data, uint32_t constant_data_size,
  34                       const struct brw_stage_prog_data *prog_data_in,
  35                       uint32_t prog_data_size, const void *prog_data_param_in,
  36                       const struct anv_pipeline_bind_map *bind_map)
  37 {
  38    struct anv_shader_bin *shader;
  39    struct anv_shader_bin_key *key;
  40    struct brw_stage_prog_data *prog_data;
  41    uint32_t *prog_data_param;
  42    struct anv_pipeline_binding *surface_to_descriptor, *sampler_to_descriptor;
  43
  44    ANV_MULTIALLOC(ma);
  45    anv_multialloc_add(&ma, &shader, 1);
  46    anv_multialloc_add_size(&ma, &key, sizeof(*key) + key_size);
  47    anv_multialloc_add_size(&ma, &prog_data, prog_data_size);
  48    anv_multialloc_add(&ma, &prog_data_param, prog_data_in->nr_params);
  49    anv_multialloc_add(&ma, &surface_to_descriptor,
  50                            bind_map->surface_count);
  51    anv_multialloc_add(&ma, &sampler_to_descriptor,
  52                            bind_map->sampler_count);
  53
  54    if (!anv_multialloc_alloc(&ma, &device->alloc,
  55                              VK_SYSTEM_ALLOCATION_SCOPE_DEVICE))
  56       return NULL;
  57
  58    shader->ref_cnt = 1;
  59
  60    key->size = key_size;
  61    memcpy(key->data, key_data, key_size);
  62    shader->key = key;
  63
  64    shader->kernel =
  65       anv_state_pool_alloc(&device->instruction_state_pool, kernel_size, 64);
  66    memcpy(shader->kernel.map, kernel_data, kernel_size);
  67    shader->kernel_size = kernel_size;
  68
  69    if (constant_data_size) {
  70       shader->constant_data =
  71          anv_state_pool_alloc(&device->dynamic_state_pool,
  72                               constant_data_size, 32);
  73       memcpy(shader->constant_data.map, constant_data, constant_data_size);
  74    } else {
  75       shader->constant_data = ANV_STATE_NULL;
  76    }
  77    shader->constant_data_size = constant_data_size;
  78
  79    memcpy(prog_data, prog_data_in, prog_data_size);
  80    memcpy(prog_data_param, prog_data_param_in,
  81           prog_data->nr_params * sizeof(*prog_data_param));
  82    prog_data->param = prog_data_param;
  83    shader->prog_data = prog_data;
  84    shader->prog_data_size = prog_data_size;
  85
  86    shader->bind_map = *bind_map;
  87    typed_memcpy(surface_to_descriptor, bind_map->surface_to_descriptor,
  88                 bind_map->surface_count);
  89    shader->bind_map.surface_to_descriptor = surface_to_descriptor;
  90    typed_memcpy(sampler_to_descriptor, bind_map->sampler_to_descriptor,
  91                 bind_map->sampler_count);
  92    shader->bind_map.sampler_to_descriptor = sampler_to_descriptor;
  93
  94    return shader;
  95 }
  96
  97 void
  98 anv_shader_bin_destroy(struct anv_device *device,
  99                        struct anv_shader_bin *shader)
 100 {
 101    assert(shader->ref_cnt == 0);
 102    anv_state_pool_free(&device->instruction_state_pool, shader->kernel);
 103    anv_state_pool_free(&device->dynamic_state_pool, shader->constant_data);
 104    vk_free(&device->alloc, shader);
 105 }
 106
 107 static bool
 108 anv_shader_bin_write_to_blob(const struct anv_shader_bin *shader,
 109                              struct blob *blob)
 110 {
 111    bool ok;
 112
 113    ok = blob_write_uint32(blob, shader->key->size);
 114    ok = blob_write_bytes(blob, shader->key->data, shader->key->size);
 115
 116    ok = blob_write_uint32(blob, shader->kernel_size);
 117    ok = blob_write_bytes(blob, shader->kernel.map, shader->kernel_size);
 118
 119    ok = blob_write_uint32(blob, shader->constant_data_size);
 120    ok = blob_write_bytes(blob, shader->constant_data.map,
 121                          shader->constant_data_size);
 122
 123    ok = blob_write_uint32(blob, shader->prog_data_size);
 124    ok = blob_write_bytes(blob, shader->prog_data, shader->prog_data_size);
 125    ok = blob_write_bytes(blob, shader->prog_data->param,
 126                                shader->prog_data->nr_params *
 127                                sizeof(*shader->prog_data->param));
 128
 129    ok = blob_write_uint32(blob, shader->bind_map.surface_count);
 130    ok = blob_write_uint32(blob, shader->bind_map.sampler_count);
 131    ok = blob_write_uint32(blob, shader->bind_map.image_count);
 132    ok = blob_write_bytes(blob, shader->bind_map.surface_to_descriptor,
 133                                shader->bind_map.surface_count *
 134                                sizeof(*shader->bind_map.surface_to_descriptor));
 135    ok = blob_write_bytes(blob, shader->bind_map.sampler_to_descriptor,
 136                                shader->bind_map.sampler_count *
 137                                sizeof(*shader->bind_map.sampler_to_descriptor));
 138
 139    return ok;
 140 }
 141
 142 static struct anv_shader_bin *
 143 anv_shader_bin_create_from_blob(struct anv_device *device,
 144                                 struct blob_reader *blob)
 145 {
 146    uint32_t key_size = blob_read_uint32(blob);
 147    const void *key_data = blob_read_bytes(blob, key_size);
 148
 149    uint32_t kernel_size = blob_read_uint32(blob);
 150    const void *kernel_data = blob_read_bytes(blob, kernel_size);
 151
 152    uint32_t constant_data_size = blob_read_uint32(blob);
 153    const void *constant_data = blob_read_bytes(blob, constant_data_size);
 154
 155    uint32_t prog_data_size = blob_read_uint32(blob);
 156    const struct brw_stage_prog_data *prog_data =
 157       blob_read_bytes(blob, prog_data_size);
 158    if (blob->overrun)
 159       return NULL;
 160    const void *prog_data_param =
 161       blob_read_bytes(blob, prog_data->nr_params * sizeof(*prog_data->param));
 162
 163    struct anv_pipeline_bind_map bind_map;
 164    bind_map.surface_count = blob_read_uint32(blob);
 165    bind_map.sampler_count = blob_read_uint32(blob);
 166    bind_map.image_count = blob_read_uint32(blob);
 167    bind_map.surface_to_descriptor = (void *)
 168       blob_read_bytes(blob, bind_map.surface_count *
 169                             sizeof(*bind_map.surface_to_descriptor));
 170    bind_map.sampler_to_descriptor = (void *)
 171       blob_read_bytes(blob, bind_map.sampler_count *
 172                             sizeof(*bind_map.sampler_to_descriptor));
 173
 174    if (blob->overrun)
 175       return NULL;
 176
 177    return anv_shader_bin_create(device,
 178                                 key_data, key_size,
 179                                 kernel_data, kernel_size,
 180                                 constant_data, constant_data_size,
 181                                 prog_data, prog_data_size, prog_data_param,
 182                                 &bind_map);
 183 }
 184
 185 /* Remaining work:
 186  *
 187  * - Compact binding table layout so it's tight and not dependent on
 188  *   descriptor set layout.
 189  *
 190  * - Review prog_data struct for size and cacheability: struct
 191  *   brw_stage_prog_data has binding_table which uses a lot of uint32_t for 8
 192  *   bit quantities etc; use bit fields for all bools, eg dual_src_blend.
 193  */
 194
 195 static uint32_t
 196 shader_bin_key_hash_func(const void *void_key)
 197 {
 198    const struct anv_shader_bin_key *key = void_key;
 199    return _mesa_hash_data(key->data, key->size);
 200 }
 201
 202 static bool
 203 shader_bin_key_compare_func(const void *void_a, const void *void_b)
 204 {
 205    const struct anv_shader_bin_key *a = void_a, *b = void_b;
 206    if (a->size != b->size)
 207       return false;
 208
 209    return memcmp(a->data, b->data, a->size) == 0;
 210 }
 211
 212 void
 213 anv_pipeline_cache_init(struct anv_pipeline_cache *cache,
 214                         struct anv_device *device,
 215                         bool cache_enabled)
 216 {
 217    cache->device = device;
 218    pthread_mutex_init(&cache->mutex, NULL);
 219
 220    if (cache_enabled) {
 221       cache->cache = _mesa_hash_table_create(NULL, shader_bin_key_hash_func,
 222                                              shader_bin_key_compare_func);
 223    } else {
 224       cache->cache = NULL;
 225    }
 226 }
 227
 228 void
 229 anv_pipeline_cache_finish(struct anv_pipeline_cache *cache)
 230 {
 231    pthread_mutex_destroy(&cache->mutex);
 232
 233    if (cache->cache) {
 234       /* This is a bit unfortunate.  In order to keep things from randomly
 235        * going away, the shader cache has to hold a reference to all shader
 236        * binaries it contains.  We unref them when we destroy the cache.
 237        */
 238       struct hash_entry *entry;
 239       hash_table_foreach(cache->cache, entry)
 240          anv_shader_bin_unref(cache->device, entry->data);
 241
 242       _mesa_hash_table_destroy(cache->cache, NULL);
 243    }
 244 }
 245
 246 static struct anv_shader_bin *
 247 anv_pipeline_cache_search_locked(struct anv_pipeline_cache *cache,
 248                                  const void *key_data, uint32_t key_size)
 249 {
 250    uint32_t vla[1 + DIV_ROUND_UP(key_size, sizeof(uint32_t))];
 251    struct anv_shader_bin_key *key = (void *)vla;
 252    key->size = key_size;
 253    memcpy(key->data, key_data, key_size);
 254
 255    struct hash_entry *entry = _mesa_hash_table_search(cache->cache, key);
 256    if (entry)
 257       return entry->data;
 258    else
 259       return NULL;
 260 }
 261
 262 struct anv_shader_bin *
 263 anv_pipeline_cache_search(struct anv_pipeline_cache *cache,
 264                           const void *key_data, uint32_t key_size)
 265 {
 266    if (!cache->cache)
 267       return NULL;
 268
 269    pthread_mutex_lock(&cache->mutex);
 270
 271    struct anv_shader_bin *shader =
 272       anv_pipeline_cache_search_locked(cache, key_data, key_size);
 273
 274    pthread_mutex_unlock(&cache->mutex);
 275
 276    /* We increment refcount before handing it to the caller */
 277    if (shader)
 278       anv_shader_bin_ref(shader);
 279
 280    return shader;
 281 }
 282
 283 static struct anv_shader_bin *
 284 anv_pipeline_cache_add_shader(struct anv_pipeline_cache *cache,
 285                               const void *key_data, uint32_t key_size,
 286                               const void *kernel_data, uint32_t kernel_size,
 287                               const void *constant_data,
 288                               uint32_t constant_data_size,
 289                               const struct brw_stage_prog_data *prog_data,
 290                               uint32_t prog_data_size,
 291                               const void *prog_data_param,
 292                               const struct anv_pipeline_bind_map *bind_map)
 293 {
 294    struct anv_shader_bin *shader =
 295       anv_pipeline_cache_search_locked(cache, key_data, key_size);
 296    if (shader)
 297       return shader;
 298
 299    struct anv_shader_bin *bin =
 300       anv_shader_bin_create(cache->device, key_data, key_size,
 301                             kernel_data, kernel_size,
 302                             constant_data, constant_data_size,
 303                             prog_data, prog_data_size, prog_data_param,
 304                             bind_map);
 305    if (!bin)
 306       return NULL;
 307
 308    _mesa_hash_table_insert(cache->cache, bin->key, bin);
 309
 310    return bin;
 311 }
 312
 313 struct anv_shader_bin *
 314 anv_pipeline_cache_upload_kernel(struct anv_pipeline_cache *cache,
 315                                  const void *key_data, uint32_t key_size,
 316                                  const void *kernel_data, uint32_t kernel_size,
 317                                  const void *constant_data,
 318                                  uint32_t constant_data_size,
 319                                  const struct brw_stage_prog_data *prog_data,
 320                                  uint32_t prog_data_size,
 321                                  const struct anv_pipeline_bind_map *bind_map)
 322 {
 323    if (cache->cache) {
 324       pthread_mutex_lock(&cache->mutex);
 325
 326       struct anv_shader_bin *bin =
 327          anv_pipeline_cache_add_shader(cache, key_data, key_size,
 328                                        kernel_data, kernel_size,
 329                                        constant_data, constant_data_size,
 330                                        prog_data, prog_data_size,
 331                                        prog_data->param, bind_map);
 332
 333       pthread_mutex_unlock(&cache->mutex);
 334
 335       /* We increment refcount before handing it to the caller */
 336       if (bin)
 337          anv_shader_bin_ref(bin);
 338
 339       return bin;
 340    } else {
 341       /* In this case, we're not caching it so the caller owns it entirely */
 342       return anv_shader_bin_create(cache->device, key_data, key_size,
 343                                    kernel_data, kernel_size,
 344                                    constant_data, constant_data_size,
 345                                    prog_data, prog_data_size,
 346                                    prog_data->param, bind_map);
 347    }
 348 }
 349
 350 struct cache_header {
 351    uint32_t header_size;
 352    uint32_t header_version;
 353    uint32_t vendor_id;
 354    uint32_t device_id;
 355    uint8_t  uuid[VK_UUID_SIZE];
 356 };
 357
 358 static void
 359 anv_pipeline_cache_load(struct anv_pipeline_cache *cache,
 360                         const void *data, size_t size)
 361 {
 362    struct anv_device *device = cache->device;
 363    struct anv_physical_device *pdevice = &device->instance->physicalDevice;
 364
 365    if (cache->cache == NULL)
 366       return;
 367
 368    struct blob_reader blob;
 369    blob_reader_init(&blob, data, size);
 370
 371    struct cache_header header;
 372    blob_copy_bytes(&blob, &header, sizeof(header));
 373    uint32_t count = blob_read_uint32(&blob);
 374    if (blob.overrun)
 375       return;
 376
 377    if (header.header_size < sizeof(header))
 378       return;
 379    if (header.header_version != VK_PIPELINE_CACHE_HEADER_VERSION_ONE)
 380       return;
 381    if (header.vendor_id != 0x8086)
 382       return;
 383    if (header.device_id != device->chipset_id)
 384       return;
 385    if (memcmp(header.uuid, pdevice->pipeline_cache_uuid, VK_UUID_SIZE) != 0)
 386       return;
 387
 388    for (uint32_t i = 0; i < count; i++) {
 389       struct anv_shader_bin *bin =
 390          anv_shader_bin_create_from_blob(device, &blob);
 391       if (!bin)
 392          break;
 393       _mesa_hash_table_insert(cache->cache, bin->key, bin);
 394    }
 395 }
 396
 397 VkResult anv_CreatePipelineCache(
 398     VkDevice                                    _device,
 399     const VkPipelineCacheCreateInfo*            pCreateInfo,
 400     const VkAllocationCallbacks*                pAllocator,
 401     VkPipelineCache*                            pPipelineCache)
 402 {
 403    ANV_FROM_HANDLE(anv_device, device, _device);
 404    struct anv_pipeline_cache *cache;
 405
 406    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO);
 407    assert(pCreateInfo->flags == 0);
 408
 409    cache = vk_alloc2(&device->alloc, pAllocator,
 410                        sizeof(*cache), 8,
 411                        VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 412    if (cache == NULL)
 413       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 414
 415    anv_pipeline_cache_init(cache, device,
 416                            device->instance->pipeline_cache_enabled);
 417
 418    if (pCreateInfo->initialDataSize > 0)
 419       anv_pipeline_cache_load(cache,
 420                               pCreateInfo->pInitialData,
 421                               pCreateInfo->initialDataSize);
 422
 423    *pPipelineCache = anv_pipeline_cache_to_handle(cache);
 424
 425    return VK_SUCCESS;
 426 }
 427
 428 void anv_DestroyPipelineCache(
 429     VkDevice                                    _device,
 430     VkPipelineCache                             _cache,
 431     const VkAllocationCallbacks*                pAllocator)
 432 {
 433    ANV_FROM_HANDLE(anv_device, device, _device);
 434    ANV_FROM_HANDLE(anv_pipeline_cache, cache, _cache);
 435
 436    if (!cache)
 437       return;
 438
 439    anv_pipeline_cache_finish(cache);
 440
 441    vk_free2(&device->alloc, pAllocator, cache);
 442 }
 443
 444 VkResult anv_GetPipelineCacheData(
 445     VkDevice                                    _device,
 446     VkPipelineCache                             _cache,
 447     size_t*                                     pDataSize,
 448     void*                                       pData)
 449 {
 450    ANV_FROM_HANDLE(anv_device, device, _device);
 451    ANV_FROM_HANDLE(anv_pipeline_cache, cache, _cache);
 452    struct anv_physical_device *pdevice = &device->instance->physicalDevice;
 453
 454    struct blob blob;
 455    if (pData) {
 456       blob_init_fixed(&blob, pData, *pDataSize);
 457    } else {
 458       blob_init_fixed(&blob, NULL, SIZE_MAX);
 459    }
 460
 461    struct cache_header header = {
 462       .header_size = sizeof(struct cache_header),
 463       .header_version = VK_PIPELINE_CACHE_HEADER_VERSION_ONE,
 464       .vendor_id = 0x8086,
 465       .device_id = device->chipset_id,
 466    };
 467    memcpy(header.uuid, pdevice->pipeline_cache_uuid, VK_UUID_SIZE);
 468    blob_write_bytes(&blob, &header, sizeof(header));
 469
 470    uint32_t count = 0;
 471    intptr_t count_offset = blob_reserve_uint32(&blob);
 472    if (count_offset < 0) {
 473       *pDataSize = 0;
 474       blob_finish(&blob);
 475       return VK_INCOMPLETE;
 476    }
 477
 478    VkResult result = VK_SUCCESS;
 479    if (cache->cache) {
 480       struct hash_entry *entry;
 481       hash_table_foreach(cache->cache, entry) {
 482          struct anv_shader_bin *shader = entry->data;
 483
 484          size_t save_size = blob.size;
 485          if (!anv_shader_bin_write_to_blob(shader, &blob)) {
 486             /* If it fails reset to the previous size and bail */
 487             blob.size = save_size;
 488             result = VK_INCOMPLETE;
 489             break;
 490          }
 491
 492          count++;
 493       }
 494    }
 495
 496    blob_overwrite_uint32(&blob, count_offset, count);
 497
 498    *pDataSize = blob.size;
 499
 500    blob_finish(&blob);
 501
 502    return result;
 503 }
 504
 505 VkResult anv_MergePipelineCaches(
 506     VkDevice                                    _device,
 507     VkPipelineCache                             destCache,
 508     uint32_t                                    srcCacheCount,
 509     const VkPipelineCache*                      pSrcCaches)
 510 {
 511    ANV_FROM_HANDLE(anv_pipeline_cache, dst, destCache);
 512
 513    if (!dst->cache)
 514       return VK_SUCCESS;
 515
 516    for (uint32_t i = 0; i < srcCacheCount; i++) {
 517       ANV_FROM_HANDLE(anv_pipeline_cache, src, pSrcCaches[i]);
 518       if (!src->cache)
 519          continue;
 520
 521       struct hash_entry *entry;
 522       hash_table_foreach(src->cache, entry) {
 523          struct anv_shader_bin *bin = entry->data;
 524          assert(bin);
 525
 526          if (_mesa_hash_table_search(dst->cache, bin->key))
 527             continue;
 528
 529          anv_shader_bin_ref(bin);
 530          _mesa_hash_table_insert(dst->cache, bin->key, bin);
 531       }
 532    }
 533
 534    return VK_SUCCESS;
 535 }