src/intel/vulkan/anv_device.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 #include "mesa/main/git_sha1.h"
  32 #include "util/strtod.h"
  33 #include "util/debug.h"
  34
  35 #include "genxml/gen7_pack.h"
  36
  37 struct anv_dispatch_table dtable;
  38
  39 static void
  40 compiler_debug_log(void *data, const char *fmt, ...)
  41 { }
  42
  43 static void
  44 compiler_perf_log(void *data, const char *fmt, ...)
  45 {
  46    va_list args;
  47    va_start(args, fmt);
  48
  49    if (unlikely(INTEL_DEBUG & DEBUG_PERF))
  50       vfprintf(stderr, fmt, args);
  51
  52    va_end(args);
  53 }
  54
  55 static VkResult
  56 anv_physical_device_init(struct anv_physical_device *device,
  57                          struct anv_instance *instance,
  58                          const char *path)
  59 {
  60    VkResult result;
  61    int fd;
  62
  63    fd = open(path, O_RDWR | O_CLOEXEC);
  64    if (fd < 0)
  65       return vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
  66                        "failed to open %s: %m", path);
  67
  68    device->_loader_data.loaderMagic = ICD_LOADER_MAGIC;
  69    device->instance = instance;
  70    device->path = path;
  71
  72    device->chipset_id = anv_gem_get_param(fd, I915_PARAM_CHIPSET_ID);
  73    if (!device->chipset_id) {
  74       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
  75                          "failed to get chipset id: %m");
  76       goto fail;
  77    }
  78
  79    device->name = brw_get_device_name(device->chipset_id);
  80    device->info = brw_get_device_info(device->chipset_id);
  81    if (!device->info) {
  82       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
  83                          "failed to get device info");
  84       goto fail;
  85    }
  86
  87    if (device->info->is_haswell) {
  88       fprintf(stderr, "WARNING: Haswell Vulkan support is incomplete\n");
  89    } else if (device->info->gen == 7 && !device->info->is_baytrail) {
  90       fprintf(stderr, "WARNING: Ivy Bridge Vulkan support is incomplete\n");
  91    } else if (device->info->gen == 7 && device->info->is_baytrail) {
  92       fprintf(stderr, "WARNING: Bay Trail Vulkan support is incomplete\n");
  93    } else if (device->info->gen >= 8) {
  94       /* Broadwell, Cherryview, Skylake, Broxton, Kabylake is as fully
  95        * supported as anything */
  96    } else {
  97       result = vk_errorf(VK_ERROR_INCOMPATIBLE_DRIVER,
  98                          "Vulkan not yet supported on %s", device->name);
  99       goto fail;
 100    }
 101
 102    device->cmd_parser_version = -1;
 103    if (device->info->gen == 7) {
 104       device->cmd_parser_version =
 105          anv_gem_get_param(fd, I915_PARAM_CMD_PARSER_VERSION);
 106       if (device->cmd_parser_version == -1) {
 107          result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
 108                             "failed to get command parser version");
 109          goto fail;
 110       }
 111    }
 112
 113    if (anv_gem_get_aperture(fd, &device->aperture_size) == -1) {
 114       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
 115                          "failed to get aperture size: %m");
 116       goto fail;
 117    }
 118
 119    if (!anv_gem_get_param(fd, I915_PARAM_HAS_WAIT_TIMEOUT)) {
 120       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
 121                          "kernel missing gem wait");
 122       goto fail;
 123    }
 124
 125    if (!anv_gem_get_param(fd, I915_PARAM_HAS_EXECBUF2)) {
 126       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
 127                          "kernel missing execbuf2");
 128       goto fail;
 129    }
 130
 131    if (!device->info->has_llc &&
 132        anv_gem_get_param(fd, I915_PARAM_MMAP_VERSION) < 1) {
 133       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
 134                          "kernel missing wc mmap");
 135       goto fail;
 136    }
 137
 138    bool swizzled = anv_gem_get_bit6_swizzle(fd, I915_TILING_X);
 139
 140    close(fd);
 141
 142    brw_process_intel_debug_variable();
 143
 144    device->compiler = brw_compiler_create(NULL, device->info);
 145    if (device->compiler == NULL) {
 146       result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 147       goto fail;
 148    }
 149    device->compiler->shader_debug_log = compiler_debug_log;
 150    device->compiler->shader_perf_log = compiler_perf_log;
 151
 152    /* XXX: Actually detect bit6 swizzling */
 153    isl_device_init(&device->isl_dev, device->info, swizzled);
 154
 155    return VK_SUCCESS;
 156
 157 fail:
 158    close(fd);
 159    return result;
 160 }
 161
 162 static void
 163 anv_physical_device_finish(struct anv_physical_device *device)
 164 {
 165    ralloc_free(device->compiler);
 166 }
 167
 168 static const VkExtensionProperties global_extensions[] = {
 169    {
 170       .extensionName = VK_KHR_SURFACE_EXTENSION_NAME,
 171       .specVersion = 25,
 172    },
 173    {
 174       .extensionName = VK_KHR_XCB_SURFACE_EXTENSION_NAME,
 175       .specVersion = 5,
 176    },
 177 #ifdef VK_USE_PLATFORM_WAYLAND_KHR
 178    {
 179       .extensionName = VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME,
 180       .specVersion = 4,
 181    },
 182 #endif
 183 };
 184
 185 static const VkExtensionProperties device_extensions[] = {
 186    {
 187       .extensionName = VK_KHR_SWAPCHAIN_EXTENSION_NAME,
 188       .specVersion = 67,
 189    },
 190 };
 191
 192 static void *
 193 default_alloc_func(void *pUserData, size_t size, size_t align,
 194                    VkSystemAllocationScope allocationScope)
 195 {
 196    return malloc(size);
 197 }
 198
 199 static void *
 200 default_realloc_func(void *pUserData, void *pOriginal, size_t size,
 201                      size_t align, VkSystemAllocationScope allocationScope)
 202 {
 203    return realloc(pOriginal, size);
 204 }
 205
 206 static void
 207 default_free_func(void *pUserData, void *pMemory)
 208 {
 209    free(pMemory);
 210 }
 211
 212 static const VkAllocationCallbacks default_alloc = {
 213    .pUserData = NULL,
 214    .pfnAllocation = default_alloc_func,
 215    .pfnReallocation = default_realloc_func,
 216    .pfnFree = default_free_func,
 217 };
 218
 219 VkResult anv_CreateInstance(
 220     const VkInstanceCreateInfo*                 pCreateInfo,
 221     const VkAllocationCallbacks*                pAllocator,
 222     VkInstance*                                 pInstance)
 223 {
 224    struct anv_instance *instance;
 225
 226    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO);
 227
 228    uint32_t client_version;
 229    if (pCreateInfo->pApplicationInfo &&
 230        pCreateInfo->pApplicationInfo->apiVersion != 0) {
 231       client_version = pCreateInfo->pApplicationInfo->apiVersion;
 232    } else {
 233       client_version = VK_MAKE_VERSION(1, 0, 0);
 234    }
 235
 236    if (VK_MAKE_VERSION(1, 0, 0) > client_version ||
 237        client_version > VK_MAKE_VERSION(1, 0, 0xfff)) {
 238       return vk_errorf(VK_ERROR_INCOMPATIBLE_DRIVER,
 239                        "Client requested version %d.%d.%d",
 240                        VK_VERSION_MAJOR(client_version),
 241                        VK_VERSION_MINOR(client_version),
 242                        VK_VERSION_PATCH(client_version));
 243    }
 244
 245    for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
 246       bool found = false;
 247       for (uint32_t j = 0; j < ARRAY_SIZE(global_extensions); j++) {
 248          if (strcmp(pCreateInfo->ppEnabledExtensionNames[i],
 249                     global_extensions[j].extensionName) == 0) {
 250             found = true;
 251             break;
 252          }
 253       }
 254       if (!found)
 255          return vk_error(VK_ERROR_EXTENSION_NOT_PRESENT);
 256    }
 257
 258    instance = anv_alloc2(&default_alloc, pAllocator, sizeof(*instance), 8,
 259                          VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
 260    if (!instance)
 261       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 262
 263    instance->_loader_data.loaderMagic = ICD_LOADER_MAGIC;
 264
 265    if (pAllocator)
 266       instance->alloc = *pAllocator;
 267    else
 268       instance->alloc = default_alloc;
 269
 270    instance->apiVersion = client_version;
 271    instance->physicalDeviceCount = -1;
 272
 273    memset(instance->wsi, 0, sizeof(instance->wsi));
 274
 275    _mesa_locale_init();
 276
 277    VG(VALGRIND_CREATE_MEMPOOL(instance, 0, false));
 278
 279    anv_init_wsi(instance);
 280
 281    *pInstance = anv_instance_to_handle(instance);
 282
 283    return VK_SUCCESS;
 284 }
 285
 286 void anv_DestroyInstance(
 287     VkInstance                                  _instance,
 288     const VkAllocationCallbacks*                pAllocator)
 289 {
 290    ANV_FROM_HANDLE(anv_instance, instance, _instance);
 291
 292    if (instance->physicalDeviceCount > 0) {
 293       /* We support at most one physical device. */
 294       assert(instance->physicalDeviceCount == 1);
 295       anv_physical_device_finish(&instance->physicalDevice);
 296    }
 297
 298    anv_finish_wsi(instance);
 299
 300    VG(VALGRIND_DESTROY_MEMPOOL(instance));
 301
 302    _mesa_locale_fini();
 303
 304    anv_free(&instance->alloc, instance);
 305 }
 306
 307 VkResult anv_EnumeratePhysicalDevices(
 308     VkInstance                                  _instance,
 309     uint32_t*                                   pPhysicalDeviceCount,
 310     VkPhysicalDevice*                           pPhysicalDevices)
 311 {
 312    ANV_FROM_HANDLE(anv_instance, instance, _instance);
 313    VkResult result;
 314
 315    if (instance->physicalDeviceCount < 0) {
 316       result = anv_physical_device_init(&instance->physicalDevice,
 317                                         instance, "/dev/dri/renderD128");
 318       if (result == VK_ERROR_INCOMPATIBLE_DRIVER) {
 319          instance->physicalDeviceCount = 0;
 320       } else if (result == VK_SUCCESS) {
 321          instance->physicalDeviceCount = 1;
 322       } else {
 323          return result;
 324       }
 325    }
 326
 327    /* pPhysicalDeviceCount is an out parameter if pPhysicalDevices is NULL;
 328     * otherwise it's an inout parameter.
 329     *
 330     * The Vulkan spec (git aaed022) says:
 331     *
 332     *    pPhysicalDeviceCount is a pointer to an unsigned integer variable
 333     *    that is initialized with the number of devices the application is
 334     *    prepared to receive handles to. pname:pPhysicalDevices is pointer to
 335     *    an array of at least this many VkPhysicalDevice handles [...].
 336     *
 337     *    Upon success, if pPhysicalDevices is NULL, vkEnumeratePhysicalDevices
 338     *    overwrites the contents of the variable pointed to by
 339     *    pPhysicalDeviceCount with the number of physical devices in in the
 340     *    instance; otherwise, vkEnumeratePhysicalDevices overwrites
 341     *    pPhysicalDeviceCount with the number of physical handles written to
 342     *    pPhysicalDevices.
 343     */
 344    if (!pPhysicalDevices) {
 345       *pPhysicalDeviceCount = instance->physicalDeviceCount;
 346    } else if (*pPhysicalDeviceCount >= 1) {
 347       pPhysicalDevices[0] = anv_physical_device_to_handle(&instance->physicalDevice);
 348       *pPhysicalDeviceCount = 1;
 349    } else {
 350       *pPhysicalDeviceCount = 0;
 351    }
 352
 353    return VK_SUCCESS;
 354 }
 355
 356 void anv_GetPhysicalDeviceFeatures(
 357     VkPhysicalDevice                            physicalDevice,
 358     VkPhysicalDeviceFeatures*                   pFeatures)
 359 {
 360    ANV_FROM_HANDLE(anv_physical_device, pdevice, physicalDevice);
 361
 362    *pFeatures = (VkPhysicalDeviceFeatures) {
 363       .robustBufferAccess                       = true,
 364       .fullDrawIndexUint32                      = true,
 365       .imageCubeArray                           = false,
 366       .independentBlend                         = pdevice->info->gen >= 8,
 367       .geometryShader                           = true,
 368       .tessellationShader                       = false,
 369       .sampleRateShading                        = false,
 370       .dualSrcBlend                             = true,
 371       .logicOp                                  = true,
 372       .multiDrawIndirect                        = false,
 373       .drawIndirectFirstInstance                = false,
 374       .depthClamp                               = false,
 375       .depthBiasClamp                           = false,
 376       .fillModeNonSolid                         = true,
 377       .depthBounds                              = false,
 378       .wideLines                                = true,
 379       .largePoints                              = true,
 380       .alphaToOne                               = true,
 381       .multiViewport                            = true,
 382       .samplerAnisotropy                        = false, /* FINISHME */
 383       .textureCompressionETC2                   = pdevice->info->gen >= 8 ||
 384                                                   pdevice->info->is_baytrail,
 385       .textureCompressionASTC_LDR               = false, /* FINISHME */
 386       .textureCompressionBC                     = true,
 387       .occlusionQueryPrecise                    = true,
 388       .pipelineStatisticsQuery                  = false,
 389       .fragmentStoresAndAtomics                 = true,
 390       .shaderTessellationAndGeometryPointSize   = true,
 391       .shaderImageGatherExtended                = true,
 392       .shaderStorageImageExtendedFormats        = false,
 393       .shaderStorageImageMultisample            = false,
 394       .shaderUniformBufferArrayDynamicIndexing  = true,
 395       .shaderSampledImageArrayDynamicIndexing   = true,
 396       .shaderStorageBufferArrayDynamicIndexing  = true,
 397       .shaderStorageImageArrayDynamicIndexing   = true,
 398       .shaderStorageImageReadWithoutFormat      = false,
 399       .shaderStorageImageWriteWithoutFormat     = true,
 400       .shaderClipDistance                       = false,
 401       .shaderCullDistance                       = false,
 402       .shaderFloat64                            = false,
 403       .shaderInt64                              = false,
 404       .shaderInt16                              = false,
 405       .alphaToOne                               = true,
 406       .variableMultisampleRate                  = false,
 407       .inheritedQueries                         = false,
 408    };
 409
 410    /* We can't do image stores in vec4 shaders */
 411    pFeatures->vertexPipelineStoresAndAtomics =
 412       pdevice->compiler->scalar_stage[MESA_SHADER_VERTEX] &&
 413       pdevice->compiler->scalar_stage[MESA_SHADER_GEOMETRY];
 414 }
 415
 416 void
 417 anv_device_get_cache_uuid(void *uuid)
 418 {
 419    memset(uuid, 0, VK_UUID_SIZE);
 420    snprintf(uuid, VK_UUID_SIZE, "anv-%s", MESA_GIT_SHA1 + 4);
 421 }
 422
 423 void anv_GetPhysicalDeviceProperties(
 424     VkPhysicalDevice                            physicalDevice,
 425     VkPhysicalDeviceProperties*                 pProperties)
 426 {
 427    ANV_FROM_HANDLE(anv_physical_device, pdevice, physicalDevice);
 428    const struct brw_device_info *devinfo = pdevice->info;
 429
 430    anv_finishme("Get correct values for VkPhysicalDeviceLimits");
 431
 432    const float time_stamp_base = devinfo->gen >= 9 ? 83.333 : 80.0;
 433
 434    VkSampleCountFlags sample_counts =
 435       isl_device_get_sample_counts(&pdevice->isl_dev);
 436
 437    VkPhysicalDeviceLimits limits = {
 438       .maxImageDimension1D                      = (1 << 14),
 439       .maxImageDimension2D                      = (1 << 14),
 440       .maxImageDimension3D                      = (1 << 11),
 441       .maxImageDimensionCube                    = (1 << 14),
 442       .maxImageArrayLayers                      = (1 << 11),
 443       .maxTexelBufferElements                   = 128 * 1024 * 1024,
 444       .maxUniformBufferRange                    = UINT32_MAX,
 445       .maxStorageBufferRange                    = UINT32_MAX,
 446       .maxPushConstantsSize                     = MAX_PUSH_CONSTANTS_SIZE,
 447       .maxMemoryAllocationCount                 = UINT32_MAX,
 448       .maxSamplerAllocationCount                = 64 * 1024,
 449       .bufferImageGranularity                   = 64, /* A cache line */
 450       .sparseAddressSpaceSize                   = 0,
 451       .maxBoundDescriptorSets                   = MAX_SETS,
 452       .maxPerStageDescriptorSamplers            = 64,
 453       .maxPerStageDescriptorUniformBuffers      = 64,
 454       .maxPerStageDescriptorStorageBuffers      = 64,
 455       .maxPerStageDescriptorSampledImages       = 64,
 456       .maxPerStageDescriptorStorageImages       = 64,
 457       .maxPerStageDescriptorInputAttachments    = 64,
 458       .maxPerStageResources                     = 128,
 459       .maxDescriptorSetSamplers                 = 256,
 460       .maxDescriptorSetUniformBuffers           = 256,
 461       .maxDescriptorSetUniformBuffersDynamic    = 256,
 462       .maxDescriptorSetStorageBuffers           = 256,
 463       .maxDescriptorSetStorageBuffersDynamic    = 256,
 464       .maxDescriptorSetSampledImages            = 256,
 465       .maxDescriptorSetStorageImages            = 256,
 466       .maxDescriptorSetInputAttachments         = 256,
 467       .maxVertexInputAttributes                 = 32,
 468       .maxVertexInputBindings                   = 32,
 469       .maxVertexInputAttributeOffset            = 2047,
 470       .maxVertexInputBindingStride              = 2048,
 471       .maxVertexOutputComponents                = 128,
 472       .maxTessellationGenerationLevel           = 0,
 473       .maxTessellationPatchSize                 = 0,
 474       .maxTessellationControlPerVertexInputComponents = 0,
 475       .maxTessellationControlPerVertexOutputComponents = 0,
 476       .maxTessellationControlPerPatchOutputComponents = 0,
 477       .maxTessellationControlTotalOutputComponents = 0,
 478       .maxTessellationEvaluationInputComponents = 0,
 479       .maxTessellationEvaluationOutputComponents = 0,
 480       .maxGeometryShaderInvocations             = 32,
 481       .maxGeometryInputComponents               = 64,
 482       .maxGeometryOutputComponents              = 128,
 483       .maxGeometryOutputVertices                = 256,
 484       .maxGeometryTotalOutputComponents         = 1024,
 485       .maxFragmentInputComponents               = 128,
 486       .maxFragmentOutputAttachments             = 8,
 487       .maxFragmentDualSrcAttachments            = 2,
 488       .maxFragmentCombinedOutputResources       = 8,
 489       .maxComputeSharedMemorySize               = 32768,
 490       .maxComputeWorkGroupCount                 = { 65535, 65535, 65535 },
 491       .maxComputeWorkGroupInvocations           = 16 * devinfo->max_cs_threads,
 492       .maxComputeWorkGroupSize = {
 493          16 * devinfo->max_cs_threads,
 494          16 * devinfo->max_cs_threads,
 495          16 * devinfo->max_cs_threads,
 496       },
 497       .subPixelPrecisionBits                    = 4 /* FIXME */,
 498       .subTexelPrecisionBits                    = 4 /* FIXME */,
 499       .mipmapPrecisionBits                      = 4 /* FIXME */,
 500       .maxDrawIndexedIndexValue                 = UINT32_MAX,
 501       .maxDrawIndirectCount                     = UINT32_MAX,
 502       .maxSamplerLodBias                        = 16,
 503       .maxSamplerAnisotropy                     = 16,
 504       .maxViewports                             = MAX_VIEWPORTS,
 505       .maxViewportDimensions                    = { (1 << 14), (1 << 14) },
 506       .viewportBoundsRange                      = { -16384.0, 16384.0 },
 507       .viewportSubPixelBits                     = 13, /* We take a float? */
 508       .minMemoryMapAlignment                    = 4096, /* A page */
 509       .minTexelBufferOffsetAlignment            = 1,
 510       .minUniformBufferOffsetAlignment          = 1,
 511       .minStorageBufferOffsetAlignment          = 1,
 512       .minTexelOffset                           = -8,
 513       .maxTexelOffset                           = 7,
 514       .minTexelGatherOffset                     = -8,
 515       .maxTexelGatherOffset                     = 7,
 516       .minInterpolationOffset                   = 0, /* FIXME */
 517       .maxInterpolationOffset                   = 0, /* FIXME */
 518       .subPixelInterpolationOffsetBits          = 0, /* FIXME */
 519       .maxFramebufferWidth                      = (1 << 14),
 520       .maxFramebufferHeight                     = (1 << 14),
 521       .maxFramebufferLayers                     = (1 << 10),
 522       .framebufferColorSampleCounts             = sample_counts,
 523       .framebufferDepthSampleCounts             = sample_counts,
 524       .framebufferStencilSampleCounts           = sample_counts,
 525       .framebufferNoAttachmentsSampleCounts     = sample_counts,
 526       .maxColorAttachments                      = MAX_RTS,
 527       .sampledImageColorSampleCounts            = sample_counts,
 528       .sampledImageIntegerSampleCounts          = VK_SAMPLE_COUNT_1_BIT,
 529       .sampledImageDepthSampleCounts            = sample_counts,
 530       .sampledImageStencilSampleCounts          = sample_counts,
 531       .storageImageSampleCounts                 = VK_SAMPLE_COUNT_1_BIT,
 532       .maxSampleMaskWords                       = 1,
 533       .timestampComputeAndGraphics              = false,
 534       .timestampPeriod                          = time_stamp_base / (1000 * 1000 * 1000),
 535       .maxClipDistances                         = 0 /* FIXME */,
 536       .maxCullDistances                         = 0 /* FIXME */,
 537       .maxCombinedClipAndCullDistances          = 0 /* FIXME */,
 538       .discreteQueuePriorities                  = 1,
 539       .pointSizeRange                           = { 0.125, 255.875 },
 540       .lineWidthRange                           = { 0.0, 7.9921875 },
 541       .pointSizeGranularity                     = (1.0 / 8.0),
 542       .lineWidthGranularity                     = (1.0 / 128.0),
 543       .strictLines                              = false, /* FINISHME */
 544       .standardSampleLocations                  = true,
 545       .optimalBufferCopyOffsetAlignment         = 128,
 546       .optimalBufferCopyRowPitchAlignment       = 128,
 547       .nonCoherentAtomSize                      = 64,
 548    };
 549
 550    *pProperties = (VkPhysicalDeviceProperties) {
 551       .apiVersion = VK_MAKE_VERSION(1, 0, 5),
 552       .driverVersion = 1,
 553       .vendorID = 0x8086,
 554       .deviceID = pdevice->chipset_id,
 555       .deviceType = VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU,
 556       .limits = limits,
 557       .sparseProperties = {0}, /* Broadwell doesn't do sparse. */
 558    };
 559
 560    strcpy(pProperties->deviceName, pdevice->name);
 561    anv_device_get_cache_uuid(pProperties->pipelineCacheUUID);
 562 }
 563
 564 void anv_GetPhysicalDeviceQueueFamilyProperties(
 565     VkPhysicalDevice                            physicalDevice,
 566     uint32_t*                                   pCount,
 567     VkQueueFamilyProperties*                    pQueueFamilyProperties)
 568 {
 569    if (pQueueFamilyProperties == NULL) {
 570       *pCount = 1;
 571       return;
 572    }
 573
 574    assert(*pCount >= 1);
 575
 576    *pQueueFamilyProperties = (VkQueueFamilyProperties) {
 577       .queueFlags = VK_QUEUE_GRAPHICS_BIT |
 578                     VK_QUEUE_COMPUTE_BIT |
 579                     VK_QUEUE_TRANSFER_BIT,
 580       .queueCount = 1,
 581       .timestampValidBits = 36, /* XXX: Real value here */
 582       .minImageTransferGranularity = (VkExtent3D) { 1, 1, 1 },
 583    };
 584 }
 585
 586 void anv_GetPhysicalDeviceMemoryProperties(
 587     VkPhysicalDevice                            physicalDevice,
 588     VkPhysicalDeviceMemoryProperties*           pMemoryProperties)
 589 {
 590    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 591    VkDeviceSize heap_size;
 592
 593    /* Reserve some wiggle room for the driver by exposing only 75% of the
 594     * aperture to the heap.
 595     */
 596    heap_size = 3 * physical_device->aperture_size / 4;
 597
 598    if (physical_device->info->has_llc) {
 599       /* Big core GPUs share LLC with the CPU and thus one memory type can be
 600        * both cached and coherent at the same time.
 601        */
 602       pMemoryProperties->memoryTypeCount = 1;
 603       pMemoryProperties->memoryTypes[0] = (VkMemoryType) {
 604          .propertyFlags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT |
 605                           VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
 606                           VK_MEMORY_PROPERTY_HOST_COHERENT_BIT |
 607                           VK_MEMORY_PROPERTY_HOST_CACHED_BIT,
 608          .heapIndex = 0,
 609       };
 610    } else {
 611       /* The spec requires that we expose a host-visible, coherent memory
 612        * type, but Atom GPUs don't share LLC. Thus we offer two memory types
 613        * to give the application a choice between cached, but not coherent and
 614        * coherent but uncached (WC though).
 615        */
 616       pMemoryProperties->memoryTypeCount = 2;
 617       pMemoryProperties->memoryTypes[0] = (VkMemoryType) {
 618          .propertyFlags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT |
 619                           VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
 620                           VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
 621          .heapIndex = 0,
 622       };
 623       pMemoryProperties->memoryTypes[1] = (VkMemoryType) {
 624          .propertyFlags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT |
 625                           VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
 626                           VK_MEMORY_PROPERTY_HOST_CACHED_BIT,
 627          .heapIndex = 0,
 628       };
 629    }
 630
 631    pMemoryProperties->memoryHeapCount = 1;
 632    pMemoryProperties->memoryHeaps[0] = (VkMemoryHeap) {
 633       .size = heap_size,
 634       .flags = VK_MEMORY_HEAP_DEVICE_LOCAL_BIT,
 635    };
 636 }
 637
 638 PFN_vkVoidFunction anv_GetInstanceProcAddr(
 639     VkInstance                                  instance,
 640     const char*                                 pName)
 641 {
 642    return anv_lookup_entrypoint(pName);
 643 }
 644
 645 /* The loader wants us to expose a second GetInstanceProcAddr function
 646  * to work around certain LD_PRELOAD issues seen in apps.
 647  */
 648 VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vk_icdGetInstanceProcAddr(
 649     VkInstance                                  instance,
 650     const char*                                 pName);
 651
 652 VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vk_icdGetInstanceProcAddr(
 653     VkInstance                                  instance,
 654     const char*                                 pName)
 655 {
 656    return anv_GetInstanceProcAddr(instance, pName);
 657 }
 658
 659 PFN_vkVoidFunction anv_GetDeviceProcAddr(
 660     VkDevice                                    device,
 661     const char*                                 pName)
 662 {
 663    return anv_lookup_entrypoint(pName);
 664 }
 665
 666 static VkResult
 667 anv_queue_init(struct anv_device *device, struct anv_queue *queue)
 668 {
 669    queue->_loader_data.loaderMagic = ICD_LOADER_MAGIC;
 670    queue->device = device;
 671    queue->pool = &device->surface_state_pool;
 672
 673    return VK_SUCCESS;
 674 }
 675
 676 static void
 677 anv_queue_finish(struct anv_queue *queue)
 678 {
 679 }
 680
 681 static struct anv_state
 682 anv_state_pool_emit_data(struct anv_state_pool *pool, size_t size, size_t align, const void *p)
 683 {
 684    struct anv_state state;
 685
 686    state = anv_state_pool_alloc(pool, size, align);
 687    memcpy(state.map, p, size);
 688
 689    if (!pool->block_pool->device->info.has_llc)
 690       anv_state_clflush(state);
 691
 692    return state;
 693 }
 694
 695 struct gen8_border_color {
 696    union {
 697       float float32[4];
 698       uint32_t uint32[4];
 699    };
 700    /* Pad out to 64 bytes */
 701    uint32_t _pad[12];
 702 };
 703
 704 static void
 705 anv_device_init_border_colors(struct anv_device *device)
 706 {
 707    static const struct gen8_border_color border_colors[] = {
 708       [VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK] =  { .float32 = { 0.0, 0.0, 0.0, 0.0 } },
 709       [VK_BORDER_COLOR_FLOAT_OPAQUE_BLACK] =       { .float32 = { 0.0, 0.0, 0.0, 1.0 } },
 710       [VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE] =       { .float32 = { 1.0, 1.0, 1.0, 1.0 } },
 711       [VK_BORDER_COLOR_INT_TRANSPARENT_BLACK] =    { .uint32 = { 0, 0, 0, 0 } },
 712       [VK_BORDER_COLOR_INT_OPAQUE_BLACK] =         { .uint32 = { 0, 0, 0, 1 } },
 713       [VK_BORDER_COLOR_INT_OPAQUE_WHITE] =         { .uint32 = { 1, 1, 1, 1 } },
 714    };
 715
 716    device->border_colors = anv_state_pool_emit_data(&device->dynamic_state_pool,
 717                                                     sizeof(border_colors), 64,
 718                                                     border_colors);
 719 }
 720
 721 VkResult
 722 anv_device_submit_simple_batch(struct anv_device *device,
 723                                struct anv_batch *batch)
 724 {
 725    struct drm_i915_gem_execbuffer2 execbuf;
 726    struct drm_i915_gem_exec_object2 exec2_objects[1];
 727    struct anv_bo bo;
 728    VkResult result = VK_SUCCESS;
 729    uint32_t size;
 730    int64_t timeout;
 731    int ret;
 732
 733    /* Kernel driver requires 8 byte aligned batch length */
 734    size = align_u32(batch->next - batch->start, 8);
 735    result = anv_bo_pool_alloc(&device->batch_bo_pool, &bo, size);
 736    if (result != VK_SUCCESS)
 737       return result;
 738
 739    memcpy(bo.map, batch->start, size);
 740    if (!device->info.has_llc)
 741       anv_clflush_range(bo.map, size);
 742
 743    exec2_objects[0].handle = bo.gem_handle;
 744    exec2_objects[0].relocation_count = 0;
 745    exec2_objects[0].relocs_ptr = 0;
 746    exec2_objects[0].alignment = 0;
 747    exec2_objects[0].offset = bo.offset;
 748    exec2_objects[0].flags = 0;
 749    exec2_objects[0].rsvd1 = 0;
 750    exec2_objects[0].rsvd2 = 0;
 751
 752    execbuf.buffers_ptr = (uintptr_t) exec2_objects;
 753    execbuf.buffer_count = 1;
 754    execbuf.batch_start_offset = 0;
 755    execbuf.batch_len = size;
 756    execbuf.cliprects_ptr = 0;
 757    execbuf.num_cliprects = 0;
 758    execbuf.DR1 = 0;
 759    execbuf.DR4 = 0;
 760
 761    execbuf.flags =
 762       I915_EXEC_HANDLE_LUT | I915_EXEC_NO_RELOC | I915_EXEC_RENDER;
 763    execbuf.rsvd1 = device->context_id;
 764    execbuf.rsvd2 = 0;
 765
 766    ret = anv_gem_execbuffer(device, &execbuf);
 767    if (ret != 0) {
 768       /* We don't know the real error. */
 769       result = vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY, "execbuf2 failed: %m");
 770       goto fail;
 771    }
 772
 773    timeout = INT64_MAX;
 774    ret = anv_gem_wait(device, bo.gem_handle, &timeout);
 775    if (ret != 0) {
 776       /* We don't know the real error. */
 777       result = vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY, "execbuf2 failed: %m");
 778       goto fail;
 779    }
 780
 781  fail:
 782    anv_bo_pool_free(&device->batch_bo_pool, &bo);
 783
 784    return result;
 785 }
 786
 787 VkResult anv_CreateDevice(
 788     VkPhysicalDevice                            physicalDevice,
 789     const VkDeviceCreateInfo*                   pCreateInfo,
 790     const VkAllocationCallbacks*                pAllocator,
 791     VkDevice*                                   pDevice)
 792 {
 793    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 794    VkResult result;
 795    struct anv_device *device;
 796
 797    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO);
 798
 799    for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
 800       bool found = false;
 801       for (uint32_t j = 0; j < ARRAY_SIZE(device_extensions); j++) {
 802          if (strcmp(pCreateInfo->ppEnabledExtensionNames[i],
 803                     device_extensions[j].extensionName) == 0) {
 804             found = true;
 805             break;
 806          }
 807       }
 808       if (!found)
 809          return vk_error(VK_ERROR_EXTENSION_NOT_PRESENT);
 810    }
 811
 812    anv_set_dispatch_devinfo(physical_device->info);
 813
 814    device = anv_alloc2(&physical_device->instance->alloc, pAllocator,
 815                        sizeof(*device), 8,
 816                        VK_SYSTEM_ALLOCATION_SCOPE_DEVICE);
 817    if (!device)
 818       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 819
 820    device->_loader_data.loaderMagic = ICD_LOADER_MAGIC;
 821    device->instance = physical_device->instance;
 822    device->chipset_id = physical_device->chipset_id;
 823
 824    if (pAllocator)
 825       device->alloc = *pAllocator;
 826    else
 827       device->alloc = physical_device->instance->alloc;
 828
 829    /* XXX(chadv): Can we dup() physicalDevice->fd here? */
 830    device->fd = open(physical_device->path, O_RDWR | O_CLOEXEC);
 831    if (device->fd == -1) {
 832       result = vk_error(VK_ERROR_INITIALIZATION_FAILED);
 833       goto fail_device;
 834    }
 835
 836    device->context_id = anv_gem_create_context(device);
 837    if (device->context_id == -1) {
 838       result = vk_error(VK_ERROR_INITIALIZATION_FAILED);
 839       goto fail_fd;
 840    }
 841
 842    device->info = *physical_device->info;
 843    device->isl_dev = physical_device->isl_dev;
 844
 845    /* On Broadwell and later, we can use batch chaining to more efficiently
 846     * implement growing command buffers.  Prior to Haswell, the kernel
 847     * command parser gets in the way and we have to fall back to growing
 848     * the batch.
 849     */
 850    device->can_chain_batches = device->info.gen >= 8;
 851
 852    pthread_mutex_init(&device->mutex, NULL);
 853
 854    anv_bo_pool_init(&device->batch_bo_pool, device);
 855
 856    anv_block_pool_init(&device->dynamic_state_block_pool, device, 16384);
 857
 858    anv_state_pool_init(&device->dynamic_state_pool,
 859                        &device->dynamic_state_block_pool);
 860
 861    anv_block_pool_init(&device->instruction_block_pool, device, 128 * 1024);
 862    anv_pipeline_cache_init(&device->default_pipeline_cache, device);
 863
 864    anv_block_pool_init(&device->surface_state_block_pool, device, 4096);
 865
 866    anv_state_pool_init(&device->surface_state_pool,
 867                        &device->surface_state_block_pool);
 868
 869    anv_bo_init_new(&device->workaround_bo, device, 1024);
 870
 871    anv_block_pool_init(&device->scratch_block_pool, device, 0x10000);
 872
 873    anv_queue_init(device, &device->queue);
 874
 875    switch (device->info.gen) {
 876    case 7:
 877       if (!device->info.is_haswell)
 878          result = gen7_init_device_state(device);
 879       else
 880          result = gen75_init_device_state(device);
 881       break;
 882    case 8:
 883       result = gen8_init_device_state(device);
 884       break;
 885    case 9:
 886       result = gen9_init_device_state(device);
 887       break;
 888    default:
 889       /* Shouldn't get here as we don't create physical devices for any other
 890        * gens. */
 891       unreachable("unhandled gen");
 892    }
 893    if (result != VK_SUCCESS)
 894       goto fail_fd;
 895
 896    result = anv_device_init_meta(device);
 897    if (result != VK_SUCCESS)
 898       goto fail_fd;
 899
 900    anv_device_init_border_colors(device);
 901
 902    *pDevice = anv_device_to_handle(device);
 903
 904    return VK_SUCCESS;
 905
 906  fail_fd:
 907    close(device->fd);
 908  fail_device:
 909    anv_free(&device->alloc, device);
 910
 911    return result;
 912 }
 913
 914 void anv_DestroyDevice(
 915     VkDevice                                    _device,
 916     const VkAllocationCallbacks*                pAllocator)
 917 {
 918    ANV_FROM_HANDLE(anv_device, device, _device);
 919
 920    anv_queue_finish(&device->queue);
 921
 922    anv_device_finish_meta(device);
 923
 924 #ifdef HAVE_VALGRIND
 925    /* We only need to free these to prevent valgrind errors.  The backing
 926     * BO will go away in a couple of lines so we don't actually leak.
 927     */
 928    anv_state_pool_free(&device->dynamic_state_pool, device->border_colors);
 929 #endif
 930
 931    anv_gem_munmap(device->workaround_bo.map, device->workaround_bo.size);
 932    anv_gem_close(device, device->workaround_bo.gem_handle);
 933
 934    anv_bo_pool_finish(&device->batch_bo_pool);
 935    anv_state_pool_finish(&device->dynamic_state_pool);
 936    anv_block_pool_finish(&device->dynamic_state_block_pool);
 937    anv_block_pool_finish(&device->instruction_block_pool);
 938    anv_state_pool_finish(&device->surface_state_pool);
 939    anv_block_pool_finish(&device->surface_state_block_pool);
 940    anv_block_pool_finish(&device->scratch_block_pool);
 941
 942    close(device->fd);
 943
 944    pthread_mutex_destroy(&device->mutex);
 945
 946    anv_free(&device->alloc, device);
 947 }
 948
 949 VkResult anv_EnumerateInstanceExtensionProperties(
 950     const char*                                 pLayerName,
 951     uint32_t*                                   pPropertyCount,
 952     VkExtensionProperties*                      pProperties)
 953 {
 954    if (pProperties == NULL) {
 955       *pPropertyCount = ARRAY_SIZE(global_extensions);
 956       return VK_SUCCESS;
 957    }
 958
 959    assert(*pPropertyCount >= ARRAY_SIZE(global_extensions));
 960
 961    *pPropertyCount = ARRAY_SIZE(global_extensions);
 962    memcpy(pProperties, global_extensions, sizeof(global_extensions));
 963
 964    return VK_SUCCESS;
 965 }
 966
 967 VkResult anv_EnumerateDeviceExtensionProperties(
 968     VkPhysicalDevice                            physicalDevice,
 969     const char*                                 pLayerName,
 970     uint32_t*                                   pPropertyCount,
 971     VkExtensionProperties*                      pProperties)
 972 {
 973    if (pProperties == NULL) {
 974       *pPropertyCount = ARRAY_SIZE(device_extensions);
 975       return VK_SUCCESS;
 976    }
 977
 978    assert(*pPropertyCount >= ARRAY_SIZE(device_extensions));
 979
 980    *pPropertyCount = ARRAY_SIZE(device_extensions);
 981    memcpy(pProperties, device_extensions, sizeof(device_extensions));
 982
 983    return VK_SUCCESS;
 984 }
 985
 986 VkResult anv_EnumerateInstanceLayerProperties(
 987     uint32_t*                                   pPropertyCount,
 988     VkLayerProperties*                          pProperties)
 989 {
 990    if (pProperties == NULL) {
 991       *pPropertyCount = 0;
 992       return VK_SUCCESS;
 993    }
 994
 995    /* None supported at this time */
 996    return vk_error(VK_ERROR_LAYER_NOT_PRESENT);
 997 }
 998
 999 VkResult anv_EnumerateDeviceLayerProperties(
1000     VkPhysicalDevice                            physicalDevice,
1001     uint32_t*                                   pPropertyCount,
1002     VkLayerProperties*                          pProperties)
1003 {
1004    if (pProperties == NULL) {
1005       *pPropertyCount = 0;
1006       return VK_SUCCESS;
1007    }
1008
1009    /* None supported at this time */
1010    return vk_error(VK_ERROR_LAYER_NOT_PRESENT);
1011 }
1012
1013 void anv_GetDeviceQueue(
1014     VkDevice                                    _device,
1015     uint32_t                                    queueNodeIndex,
1016     uint32_t                                    queueIndex,
1017     VkQueue*                                    pQueue)
1018 {
1019    ANV_FROM_HANDLE(anv_device, device, _device);
1020
1021    assert(queueIndex == 0);
1022
1023    *pQueue = anv_queue_to_handle(&device->queue);
1024 }
1025
1026 VkResult anv_QueueSubmit(
1027     VkQueue                                     _queue,
1028     uint32_t                                    submitCount,
1029     const VkSubmitInfo*                         pSubmits,
1030     VkFence                                     _fence)
1031 {
1032    ANV_FROM_HANDLE(anv_queue, queue, _queue);
1033    ANV_FROM_HANDLE(anv_fence, fence, _fence);
1034    struct anv_device *device = queue->device;
1035    int ret;
1036
1037    for (uint32_t i = 0; i < submitCount; i++) {
1038       for (uint32_t j = 0; j < pSubmits[i].commandBufferCount; j++) {
1039          ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer,
1040                          pSubmits[i].pCommandBuffers[j]);
1041          assert(cmd_buffer->level == VK_COMMAND_BUFFER_LEVEL_PRIMARY);
1042
1043          ret = anv_gem_execbuffer(device, &cmd_buffer->execbuf2.execbuf);
1044          if (ret != 0) {
1045             /* We don't know the real error. */
1046             return vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY,
1047                              "execbuf2 failed: %m");
1048          }
1049
1050          for (uint32_t k = 0; k < cmd_buffer->execbuf2.bo_count; k++)
1051             cmd_buffer->execbuf2.bos[k]->offset = cmd_buffer->execbuf2.objects[k].offset;
1052       }
1053    }
1054
1055    if (fence) {
1056       ret = anv_gem_execbuffer(device, &fence->execbuf);
1057       if (ret != 0) {
1058          /* We don't know the real error. */
1059          return vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY,
1060                           "execbuf2 failed: %m");
1061       }
1062    }
1063
1064    return VK_SUCCESS;
1065 }
1066
1067 VkResult anv_QueueWaitIdle(
1068     VkQueue                                     _queue)
1069 {
1070    ANV_FROM_HANDLE(anv_queue, queue, _queue);
1071
1072    return ANV_CALL(DeviceWaitIdle)(anv_device_to_handle(queue->device));
1073 }
1074
1075 VkResult anv_DeviceWaitIdle(
1076     VkDevice                                    _device)
1077 {
1078    ANV_FROM_HANDLE(anv_device, device, _device);
1079    struct anv_batch batch;
1080
1081    uint32_t cmds[8];
1082    batch.start = batch.next = cmds;
1083    batch.end = (void *) cmds + sizeof(cmds);
1084
1085    anv_batch_emit(&batch, GEN7_MI_BATCH_BUFFER_END, bbe);
1086    anv_batch_emit(&batch, GEN7_MI_NOOP, noop);
1087
1088    return anv_device_submit_simple_batch(device, &batch);
1089 }
1090
1091 VkResult
1092 anv_bo_init_new(struct anv_bo *bo, struct anv_device *device, uint64_t size)
1093 {
1094    bo->gem_handle = anv_gem_create(device, size);
1095    if (!bo->gem_handle)
1096       return vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
1097
1098    bo->map = NULL;
1099    bo->index = 0;
1100    bo->offset = 0;
1101    bo->size = size;
1102    bo->is_winsys_bo = false;
1103
1104    return VK_SUCCESS;
1105 }
1106
1107 VkResult anv_AllocateMemory(
1108     VkDevice                                    _device,
1109     const VkMemoryAllocateInfo*                 pAllocateInfo,
1110     const VkAllocationCallbacks*                pAllocator,
1111     VkDeviceMemory*                             pMem)
1112 {
1113    ANV_FROM_HANDLE(anv_device, device, _device);
1114    struct anv_device_memory *mem;
1115    VkResult result;
1116
1117    assert(pAllocateInfo->sType == VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO);
1118
1119    if (pAllocateInfo->allocationSize == 0) {
1120       /* Apparently, this is allowed */
1121       *pMem = VK_NULL_HANDLE;
1122       return VK_SUCCESS;
1123    }
1124
1125    /* We support exactly one memory heap. */
1126    assert(pAllocateInfo->memoryTypeIndex == 0 ||
1127           (!device->info.has_llc && pAllocateInfo->memoryTypeIndex < 2));
1128
1129    /* FINISHME: Fail if allocation request exceeds heap size. */
1130
1131    mem = anv_alloc2(&device->alloc, pAllocator, sizeof(*mem), 8,
1132                     VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
1133    if (mem == NULL)
1134       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
1135
1136    /* The kernel is going to give us whole pages anyway */
1137    uint64_t alloc_size = align_u64(pAllocateInfo->allocationSize, 4096);
1138
1139    result = anv_bo_init_new(&mem->bo, device, alloc_size);
1140    if (result != VK_SUCCESS)
1141       goto fail;
1142
1143    mem->type_index = pAllocateInfo->memoryTypeIndex;
1144
1145    *pMem = anv_device_memory_to_handle(mem);
1146
1147    return VK_SUCCESS;
1148
1149  fail:
1150    anv_free2(&device->alloc, pAllocator, mem);
1151
1152    return result;
1153 }
1154
1155 void anv_FreeMemory(
1156     VkDevice                                    _device,
1157     VkDeviceMemory                              _mem,
1158     const VkAllocationCallbacks*                pAllocator)
1159 {
1160    ANV_FROM_HANDLE(anv_device, device, _device);
1161    ANV_FROM_HANDLE(anv_device_memory, mem, _mem);
1162
1163    if (mem == NULL)
1164       return;
1165
1166    if (mem->bo.map)
1167       anv_gem_munmap(mem->bo.map, mem->bo.size);
1168
1169    if (mem->bo.gem_handle != 0)
1170       anv_gem_close(device, mem->bo.gem_handle);
1171
1172    anv_free2(&device->alloc, pAllocator, mem);
1173 }
1174
1175 VkResult anv_MapMemory(
1176     VkDevice                                    _device,
1177     VkDeviceMemory                              _memory,
1178     VkDeviceSize                                offset,
1179     VkDeviceSize                                size,
1180     VkMemoryMapFlags                            flags,
1181     void**                                      ppData)
1182 {
1183    ANV_FROM_HANDLE(anv_device, device, _device);
1184    ANV_FROM_HANDLE(anv_device_memory, mem, _memory);
1185
1186    if (mem == NULL) {
1187       *ppData = NULL;
1188       return VK_SUCCESS;
1189    }
1190
1191    if (size == VK_WHOLE_SIZE)
1192       size = mem->bo.size - offset;
1193
1194    /* FIXME: Is this supposed to be thread safe? Since vkUnmapMemory() only
1195     * takes a VkDeviceMemory pointer, it seems like only one map of the memory
1196     * at a time is valid. We could just mmap up front and return an offset
1197     * pointer here, but that may exhaust virtual memory on 32 bit
1198     * userspace. */
1199
1200    uint32_t gem_flags = 0;
1201    if (!device->info.has_llc && mem->type_index == 0)
1202       gem_flags |= I915_MMAP_WC;
1203
1204    /* GEM will fail to map if the offset isn't 4k-aligned.  Round down. */
1205    uint64_t map_offset = offset & ~4095ull;
1206    assert(offset >= map_offset);
1207    uint64_t map_size = (offset + size) - map_offset;
1208
1209    /* Let's map whole pages */
1210    map_size = align_u64(map_size, 4096);
1211
1212    mem->map = anv_gem_mmap(device, mem->bo.gem_handle,
1213                            map_offset, map_size, gem_flags);
1214    mem->map_size = map_size;
1215
1216    *ppData = mem->map + (offset - map_offset);
1217
1218    return VK_SUCCESS;
1219 }
1220
1221 void anv_UnmapMemory(
1222     VkDevice                                    _device,
1223     VkDeviceMemory                              _memory)
1224 {
1225    ANV_FROM_HANDLE(anv_device_memory, mem, _memory);
1226
1227    if (mem == NULL)
1228       return;
1229
1230    anv_gem_munmap(mem->map, mem->map_size);
1231 }
1232
1233 static void
1234 clflush_mapped_ranges(struct anv_device         *device,
1235                       uint32_t                   count,
1236                       const VkMappedMemoryRange *ranges)
1237 {
1238    for (uint32_t i = 0; i < count; i++) {
1239       ANV_FROM_HANDLE(anv_device_memory, mem, ranges[i].memory);
1240       void *p = mem->map + (ranges[i].offset & ~CACHELINE_MASK);
1241       void *end;
1242
1243       if (ranges[i].offset + ranges[i].size > mem->map_size)
1244          end = mem->map + mem->map_size;
1245       else
1246          end = mem->map + ranges[i].offset + ranges[i].size;
1247
1248       while (p < end) {
1249          __builtin_ia32_clflush(p);
1250          p += CACHELINE_SIZE;
1251       }
1252    }
1253 }
1254
1255 VkResult anv_FlushMappedMemoryRanges(
1256     VkDevice                                    _device,
1257     uint32_t                                    memoryRangeCount,
1258     const VkMappedMemoryRange*                  pMemoryRanges)
1259 {
1260    ANV_FROM_HANDLE(anv_device, device, _device);
1261
1262    if (device->info.has_llc)
1263       return VK_SUCCESS;
1264
1265    /* Make sure the writes we're flushing have landed. */
1266    __builtin_ia32_mfence();
1267
1268    clflush_mapped_ranges(device, memoryRangeCount, pMemoryRanges);
1269
1270    return VK_SUCCESS;
1271 }
1272
1273 VkResult anv_InvalidateMappedMemoryRanges(
1274     VkDevice                                    _device,
1275     uint32_t                                    memoryRangeCount,
1276     const VkMappedMemoryRange*                  pMemoryRanges)
1277 {
1278    ANV_FROM_HANDLE(anv_device, device, _device);
1279
1280    if (device->info.has_llc)
1281       return VK_SUCCESS;
1282
1283    clflush_mapped_ranges(device, memoryRangeCount, pMemoryRanges);
1284
1285    /* Make sure no reads get moved up above the invalidate. */
1286    __builtin_ia32_mfence();
1287
1288    return VK_SUCCESS;
1289 }
1290
1291 void anv_GetBufferMemoryRequirements(
1292     VkDevice                                    device,
1293     VkBuffer                                    _buffer,
1294     VkMemoryRequirements*                       pMemoryRequirements)
1295 {
1296    ANV_FROM_HANDLE(anv_buffer, buffer, _buffer);
1297
1298    /* The Vulkan spec (git aaed022) says:
1299     *
1300     *    memoryTypeBits is a bitfield and contains one bit set for every
1301     *    supported memory type for the resource. The bit `1<<i` is set if and
1302     *    only if the memory type `i` in the VkPhysicalDeviceMemoryProperties
1303     *    structure for the physical device is supported.
1304     *
1305     * We support exactly one memory type.
1306     */
1307    pMemoryRequirements->memoryTypeBits = 1;
1308
1309    pMemoryRequirements->size = buffer->size;
1310    pMemoryRequirements->alignment = 16;
1311 }
1312
1313 void anv_GetImageMemoryRequirements(
1314     VkDevice                                    device,
1315     VkImage                                     _image,
1316     VkMemoryRequirements*                       pMemoryRequirements)
1317 {
1318    ANV_FROM_HANDLE(anv_image, image, _image);
1319
1320    /* The Vulkan spec (git aaed022) says:
1321     *
1322     *    memoryTypeBits is a bitfield and contains one bit set for every
1323     *    supported memory type for the resource. The bit `1<<i` is set if and
1324     *    only if the memory type `i` in the VkPhysicalDeviceMemoryProperties
1325     *    structure for the physical device is supported.
1326     *
1327     * We support exactly one memory type.
1328     */
1329    pMemoryRequirements->memoryTypeBits = 1;
1330
1331    pMemoryRequirements->size = image->size;
1332    pMemoryRequirements->alignment = image->alignment;
1333 }
1334
1335 void anv_GetImageSparseMemoryRequirements(
1336     VkDevice                                    device,
1337     VkImage                                     image,
1338     uint32_t*                                   pSparseMemoryRequirementCount,
1339     VkSparseImageMemoryRequirements*            pSparseMemoryRequirements)
1340 {
1341    stub();
1342 }
1343
1344 void anv_GetDeviceMemoryCommitment(
1345     VkDevice                                    device,
1346     VkDeviceMemory                              memory,
1347     VkDeviceSize*                               pCommittedMemoryInBytes)
1348 {
1349    *pCommittedMemoryInBytes = 0;
1350 }
1351
1352 VkResult anv_BindBufferMemory(
1353     VkDevice                                    device,
1354     VkBuffer                                    _buffer,
1355     VkDeviceMemory                              _memory,
1356     VkDeviceSize                                memoryOffset)
1357 {
1358    ANV_FROM_HANDLE(anv_device_memory, mem, _memory);
1359    ANV_FROM_HANDLE(anv_buffer, buffer, _buffer);
1360
1361    if (mem) {
1362       buffer->bo = &mem->bo;
1363       buffer->offset = memoryOffset;
1364    } else {
1365       buffer->bo = NULL;
1366       buffer->offset = 0;
1367    }
1368
1369    return VK_SUCCESS;
1370 }
1371
1372 VkResult anv_BindImageMemory(
1373     VkDevice                                    device,
1374     VkImage                                     _image,
1375     VkDeviceMemory                              _memory,
1376     VkDeviceSize                                memoryOffset)
1377 {
1378    ANV_FROM_HANDLE(anv_device_memory, mem, _memory);
1379    ANV_FROM_HANDLE(anv_image, image, _image);
1380
1381    if (mem) {
1382       image->bo = &mem->bo;
1383       image->offset = memoryOffset;
1384    } else {
1385       image->bo = NULL;
1386       image->offset = 0;
1387    }
1388
1389    return VK_SUCCESS;
1390 }
1391
1392 VkResult anv_QueueBindSparse(
1393     VkQueue                                     queue,
1394     uint32_t                                    bindInfoCount,
1395     const VkBindSparseInfo*                     pBindInfo,
1396     VkFence                                     fence)
1397 {
1398    stub_return(VK_ERROR_INCOMPATIBLE_DRIVER);
1399 }
1400
1401 VkResult anv_CreateFence(
1402     VkDevice                                    _device,
1403     const VkFenceCreateInfo*                    pCreateInfo,
1404     const VkAllocationCallbacks*                pAllocator,
1405     VkFence*                                    pFence)
1406 {
1407    ANV_FROM_HANDLE(anv_device, device, _device);
1408    struct anv_bo fence_bo;
1409    struct anv_fence *fence;
1410    struct anv_batch batch;
1411    VkResult result;
1412
1413    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_FENCE_CREATE_INFO);
1414
1415    result = anv_bo_pool_alloc(&device->batch_bo_pool, &fence_bo, 4096);
1416    if (result != VK_SUCCESS)
1417       return result;
1418
1419    /* Fences are small.  Just store the CPU data structure in the BO. */
1420    fence = fence_bo.map;
1421    fence->bo = fence_bo;
1422
1423    /* Place the batch after the CPU data but on its own cache line. */
1424    const uint32_t batch_offset = align_u32(sizeof(*fence), CACHELINE_SIZE);
1425    batch.next = batch.start = fence->bo.map + batch_offset;
1426    batch.end = fence->bo.map + fence->bo.size;
1427    anv_batch_emit(&batch, GEN7_MI_BATCH_BUFFER_END, bbe);
1428    anv_batch_emit(&batch, GEN7_MI_NOOP, noop);
1429
1430    if (!device->info.has_llc) {
1431       assert(((uintptr_t) batch.start & CACHELINE_MASK) == 0);
1432       assert(batch.next - batch.start <= CACHELINE_SIZE);
1433       __builtin_ia32_mfence();
1434       __builtin_ia32_clflush(batch.start);
1435    }
1436
1437    fence->exec2_objects[0].handle = fence->bo.gem_handle;
1438    fence->exec2_objects[0].relocation_count = 0;
1439    fence->exec2_objects[0].relocs_ptr = 0;
1440    fence->exec2_objects[0].alignment = 0;
1441    fence->exec2_objects[0].offset = fence->bo.offset;
1442    fence->exec2_objects[0].flags = 0;
1443    fence->exec2_objects[0].rsvd1 = 0;
1444    fence->exec2_objects[0].rsvd2 = 0;
1445
1446    fence->execbuf.buffers_ptr = (uintptr_t) fence->exec2_objects;
1447    fence->execbuf.buffer_count = 1;
1448    fence->execbuf.batch_start_offset = batch.start - fence->bo.map;
1449    fence->execbuf.batch_len = batch.next - batch.start;
1450    fence->execbuf.cliprects_ptr = 0;
1451    fence->execbuf.num_cliprects = 0;
1452    fence->execbuf.DR1 = 0;
1453    fence->execbuf.DR4 = 0;
1454
1455    fence->execbuf.flags =
1456       I915_EXEC_HANDLE_LUT | I915_EXEC_NO_RELOC | I915_EXEC_RENDER;
1457    fence->execbuf.rsvd1 = device->context_id;
1458    fence->execbuf.rsvd2 = 0;
1459
1460    fence->ready = false;
1461
1462    *pFence = anv_fence_to_handle(fence);
1463
1464    return VK_SUCCESS;
1465 }
1466
1467 void anv_DestroyFence(
1468     VkDevice                                    _device,
1469     VkFence                                     _fence,
1470     const VkAllocationCallbacks*                pAllocator)
1471 {
1472    ANV_FROM_HANDLE(anv_device, device, _device);
1473    ANV_FROM_HANDLE(anv_fence, fence, _fence);
1474
1475    assert(fence->bo.map == fence);
1476    anv_bo_pool_free(&device->batch_bo_pool, &fence->bo);
1477 }
1478
1479 VkResult anv_ResetFences(
1480     VkDevice                                    _device,
1481     uint32_t                                    fenceCount,
1482     const VkFence*                              pFences)
1483 {
1484    for (uint32_t i = 0; i < fenceCount; i++) {
1485       ANV_FROM_HANDLE(anv_fence, fence, pFences[i]);
1486       fence->ready = false;
1487    }
1488
1489    return VK_SUCCESS;
1490 }
1491
1492 VkResult anv_GetFenceStatus(
1493     VkDevice                                    _device,
1494     VkFence                                     _fence)
1495 {
1496    ANV_FROM_HANDLE(anv_device, device, _device);
1497    ANV_FROM_HANDLE(anv_fence, fence, _fence);
1498    int64_t t = 0;
1499    int ret;
1500
1501    if (fence->ready)
1502       return VK_SUCCESS;
1503
1504    ret = anv_gem_wait(device, fence->bo.gem_handle, &t);
1505    if (ret == 0) {
1506       fence->ready = true;
1507       return VK_SUCCESS;
1508    }
1509
1510    return VK_NOT_READY;
1511 }
1512
1513 VkResult anv_WaitForFences(
1514     VkDevice                                    _device,
1515     uint32_t                                    fenceCount,
1516     const VkFence*                              pFences,
1517     VkBool32                                    waitAll,
1518     uint64_t                                    timeout)
1519 {
1520    ANV_FROM_HANDLE(anv_device, device, _device);
1521
1522    /* DRM_IOCTL_I915_GEM_WAIT uses a signed 64 bit timeout and is supposed
1523     * to block indefinitely timeouts <= 0.  Unfortunately, this was broken
1524     * for a couple of kernel releases.  Since there's no way to know
1525     * whether or not the kernel we're using is one of the broken ones, the
1526     * best we can do is to clamp the timeout to INT64_MAX.  This limits the
1527     * maximum timeout from 584 years to 292 years - likely not a big deal.
1528     */
1529    if (timeout > INT64_MAX)
1530       timeout = INT64_MAX;
1531
1532    int64_t t = timeout;
1533
1534    /* FIXME: handle !waitAll */
1535
1536    for (uint32_t i = 0; i < fenceCount; i++) {
1537       ANV_FROM_HANDLE(anv_fence, fence, pFences[i]);
1538       int ret = anv_gem_wait(device, fence->bo.gem_handle, &t);
1539       if (ret == -1 && errno == ETIME) {
1540          return VK_TIMEOUT;
1541       } else if (ret == -1) {
1542          /* We don't know the real error. */
1543          return vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY,
1544                           "gem wait failed: %m");
1545       }
1546    }
1547
1548    return VK_SUCCESS;
1549 }
1550
1551 // Queue semaphore functions
1552
1553 VkResult anv_CreateSemaphore(
1554     VkDevice                                    device,
1555     const VkSemaphoreCreateInfo*                pCreateInfo,
1556     const VkAllocationCallbacks*                pAllocator,
1557     VkSemaphore*                                pSemaphore)
1558 {
1559    /* The DRM execbuffer ioctl always execute in-oder, even between different
1560     * rings. As such, there's nothing to do for the user space semaphore.
1561     */
1562
1563    *pSemaphore = (VkSemaphore)1;
1564
1565    return VK_SUCCESS;
1566 }
1567
1568 void anv_DestroySemaphore(
1569     VkDevice                                    device,
1570     VkSemaphore                                 semaphore,
1571     const VkAllocationCallbacks*                pAllocator)
1572 {
1573 }
1574
1575 // Event functions
1576
1577 VkResult anv_CreateEvent(
1578     VkDevice                                    _device,
1579     const VkEventCreateInfo*                    pCreateInfo,
1580     const VkAllocationCallbacks*                pAllocator,
1581     VkEvent*                                    pEvent)
1582 {
1583    ANV_FROM_HANDLE(anv_device, device, _device);
1584    struct anv_state state;
1585    struct anv_event *event;
1586
1587    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_EVENT_CREATE_INFO);
1588
1589    state = anv_state_pool_alloc(&device->dynamic_state_pool,
1590                                 sizeof(*event), 8);
1591    event = state.map;
1592    event->state = state;
1593    event->semaphore = VK_EVENT_RESET;
1594
1595    if (!device->info.has_llc) {
1596       /* Make sure the writes we're flushing have landed. */
1597       __builtin_ia32_mfence();
1598       __builtin_ia32_clflush(event);
1599    }
1600
1601    *pEvent = anv_event_to_handle(event);
1602
1603    return VK_SUCCESS;
1604 }
1605
1606 void anv_DestroyEvent(
1607     VkDevice                                    _device,
1608     VkEvent                                     _event,
1609     const VkAllocationCallbacks*                pAllocator)
1610 {
1611    ANV_FROM_HANDLE(anv_device, device, _device);
1612    ANV_FROM_HANDLE(anv_event, event, _event);
1613
1614    anv_state_pool_free(&device->dynamic_state_pool, event->state);
1615 }
1616
1617 VkResult anv_GetEventStatus(
1618     VkDevice                                    _device,
1619     VkEvent                                     _event)
1620 {
1621    ANV_FROM_HANDLE(anv_device, device, _device);
1622    ANV_FROM_HANDLE(anv_event, event, _event);
1623
1624    if (!device->info.has_llc) {
1625       /* Invalidate read cache before reading event written by GPU. */
1626       __builtin_ia32_clflush(event);
1627       __builtin_ia32_mfence();
1628
1629    }
1630
1631    return event->semaphore;
1632 }
1633
1634 VkResult anv_SetEvent(
1635     VkDevice                                    _device,
1636     VkEvent                                     _event)
1637 {
1638    ANV_FROM_HANDLE(anv_device, device, _device);
1639    ANV_FROM_HANDLE(anv_event, event, _event);
1640
1641    event->semaphore = VK_EVENT_SET;
1642
1643    if (!device->info.has_llc) {
1644       /* Make sure the writes we're flushing have landed. */
1645       __builtin_ia32_mfence();
1646       __builtin_ia32_clflush(event);
1647    }
1648
1649    return VK_SUCCESS;
1650 }
1651
1652 VkResult anv_ResetEvent(
1653     VkDevice                                    _device,
1654     VkEvent                                     _event)
1655 {
1656    ANV_FROM_HANDLE(anv_device, device, _device);
1657    ANV_FROM_HANDLE(anv_event, event, _event);
1658
1659    event->semaphore = VK_EVENT_RESET;
1660
1661    if (!device->info.has_llc) {
1662       /* Make sure the writes we're flushing have landed. */
1663       __builtin_ia32_mfence();
1664       __builtin_ia32_clflush(event);
1665    }
1666
1667    return VK_SUCCESS;
1668 }
1669
1670 // Buffer functions
1671
1672 VkResult anv_CreateBuffer(
1673     VkDevice                                    _device,
1674     const VkBufferCreateInfo*                   pCreateInfo,
1675     const VkAllocationCallbacks*                pAllocator,
1676     VkBuffer*                                   pBuffer)
1677 {
1678    ANV_FROM_HANDLE(anv_device, device, _device);
1679    struct anv_buffer *buffer;
1680
1681    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO);
1682
1683    buffer = anv_alloc2(&device->alloc, pAllocator, sizeof(*buffer), 8,
1684                        VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
1685    if (buffer == NULL)
1686       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
1687
1688    buffer->size = pCreateInfo->size;
1689    buffer->usage = pCreateInfo->usage;
1690    buffer->bo = NULL;
1691    buffer->offset = 0;
1692
1693    *pBuffer = anv_buffer_to_handle(buffer);
1694
1695    return VK_SUCCESS;
1696 }
1697
1698 void anv_DestroyBuffer(
1699     VkDevice                                    _device,
1700     VkBuffer                                    _buffer,
1701     const VkAllocationCallbacks*                pAllocator)
1702 {
1703    ANV_FROM_HANDLE(anv_device, device, _device);
1704    ANV_FROM_HANDLE(anv_buffer, buffer, _buffer);
1705
1706    anv_free2(&device->alloc, pAllocator, buffer);
1707 }
1708
1709 void
1710 anv_fill_buffer_surface_state(struct anv_device *device, struct anv_state state,
1711                               enum isl_format format,
1712                               uint32_t offset, uint32_t range, uint32_t stride)
1713 {
1714    isl_buffer_fill_state(&device->isl_dev, state.map,
1715                          .address = offset,
1716                          .mocs = device->default_mocs,
1717                          .size = range,
1718                          .format = format,
1719                          .stride = stride);
1720
1721    if (!device->info.has_llc)
1722       anv_state_clflush(state);
1723 }
1724
1725 void anv_DestroySampler(
1726     VkDevice                                    _device,
1727     VkSampler                                   _sampler,
1728     const VkAllocationCallbacks*                pAllocator)
1729 {
1730    ANV_FROM_HANDLE(anv_device, device, _device);
1731    ANV_FROM_HANDLE(anv_sampler, sampler, _sampler);
1732
1733    anv_free2(&device->alloc, pAllocator, sampler);
1734 }
1735
1736 VkResult anv_CreateFramebuffer(
1737     VkDevice                                    _device,
1738     const VkFramebufferCreateInfo*              pCreateInfo,
1739     const VkAllocationCallbacks*                pAllocator,
1740     VkFramebuffer*                              pFramebuffer)
1741 {
1742    ANV_FROM_HANDLE(anv_device, device, _device);
1743    struct anv_framebuffer *framebuffer;
1744
1745    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO);
1746
1747    size_t size = sizeof(*framebuffer) +
1748                  sizeof(struct anv_image_view *) * pCreateInfo->attachmentCount;
1749    framebuffer = anv_alloc2(&device->alloc, pAllocator, size, 8,
1750                             VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
1751    if (framebuffer == NULL)
1752       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
1753
1754    framebuffer->attachment_count = pCreateInfo->attachmentCount;
1755    for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++) {
1756       VkImageView _iview = pCreateInfo->pAttachments[i];
1757       framebuffer->attachments[i] = anv_image_view_from_handle(_iview);
1758    }
1759
1760    framebuffer->width = pCreateInfo->width;
1761    framebuffer->height = pCreateInfo->height;
1762    framebuffer->layers = pCreateInfo->layers;
1763
1764    *pFramebuffer = anv_framebuffer_to_handle(framebuffer);
1765
1766    return VK_SUCCESS;
1767 }
1768
1769 void anv_DestroyFramebuffer(
1770     VkDevice                                    _device,
1771     VkFramebuffer                               _fb,
1772     const VkAllocationCallbacks*                pAllocator)
1773 {
1774    ANV_FROM_HANDLE(anv_device, device, _device);
1775    ANV_FROM_HANDLE(anv_framebuffer, fb, _fb);
1776
1777    anv_free2(&device->alloc, pAllocator, fb);
1778 }
1779
1780 void vkCmdDbgMarkerBegin(
1781     VkCommandBuffer                              commandBuffer,
1782     const char*                                 pMarker)
1783    __attribute__ ((visibility ("default")));
1784
1785 void vkCmdDbgMarkerEnd(
1786    VkCommandBuffer                              commandBuffer)
1787    __attribute__ ((visibility ("default")));
1788
1789 void vkCmdDbgMarkerBegin(
1790     VkCommandBuffer                              commandBuffer,
1791     const char*                                 pMarker)
1792 {
1793 }
1794
1795 void vkCmdDbgMarkerEnd(
1796     VkCommandBuffer                              commandBuffer)
1797 {
1798 }