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 "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
  71    assert(strlen(path) < ARRAY_SIZE(device->path));
  72    strncpy(device->path, path, ARRAY_SIZE(device->path));
  73
  74    device->chipset_id = anv_gem_get_param(fd, I915_PARAM_CHIPSET_ID);
  75    if (!device->chipset_id) {
  76       result = VK_ERROR_INITIALIZATION_FAILED;
  77       goto fail;
  78    }
  79
  80    device->name = brw_get_device_name(device->chipset_id);
  81    device->info = brw_get_device_info(device->chipset_id);
  82    if (!device->info) {
  83       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
  84                          "failed to get device info");
  85       goto fail;
  86    }
  87
  88    if (device->info->is_haswell) {
  89       fprintf(stderr, "WARNING: Haswell Vulkan support is incomplete\n");
  90    } else if (device->info->gen == 7 && !device->info->is_baytrail) {
  91       fprintf(stderr, "WARNING: Ivy Bridge Vulkan support is incomplete\n");
  92    } else if (device->info->gen == 7 && device->info->is_baytrail) {
  93       fprintf(stderr, "WARNING: Bay Trail Vulkan support is incomplete\n");
  94    } else if (device->info->gen >= 8) {
  95       /* Broadwell, Cherryview, Skylake, Broxton, Kabylake is as fully
  96        * supported as anything */
  97    } else {
  98       result = vk_errorf(VK_ERROR_INCOMPATIBLE_DRIVER,
  99                          "Vulkan not yet supported on %s", device->name);
 100       goto fail;
 101    }
 102
 103    device->cmd_parser_version = -1;
 104    if (device->info->gen == 7) {
 105       device->cmd_parser_version =
 106          anv_gem_get_param(fd, I915_PARAM_CMD_PARSER_VERSION);
 107       if (device->cmd_parser_version == -1) {
 108          result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
 109                             "failed to get command parser version");
 110          goto fail;
 111       }
 112    }
 113
 114    if (anv_gem_get_aperture(fd, &device->aperture_size) == -1) {
 115       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
 116                          "failed to get aperture size: %m");
 117       goto fail;
 118    }
 119
 120    if (!anv_gem_get_param(fd, I915_PARAM_HAS_WAIT_TIMEOUT)) {
 121       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
 122                          "kernel missing gem wait");
 123       goto fail;
 124    }
 125
 126    if (!anv_gem_get_param(fd, I915_PARAM_HAS_EXECBUF2)) {
 127       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
 128                          "kernel missing execbuf2");
 129       goto fail;
 130    }
 131
 132    if (!device->info->has_llc &&
 133        anv_gem_get_param(fd, I915_PARAM_MMAP_VERSION) < 1) {
 134       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
 135                          "kernel missing wc mmap");
 136       goto fail;
 137    }
 138
 139    bool swizzled = anv_gem_get_bit6_swizzle(fd, I915_TILING_X);
 140
 141    close(fd);
 142
 143    brw_process_intel_debug_variable();
 144
 145    device->compiler = brw_compiler_create(NULL, device->info);
 146    if (device->compiler == NULL) {
 147       result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 148       goto fail;
 149    }
 150    device->compiler->shader_debug_log = compiler_debug_log;
 151    device->compiler->shader_perf_log = compiler_perf_log;
 152
 153    result = anv_init_wsi(device);
 154    if (result != VK_SUCCESS)
 155        goto fail;
 156
 157    /* XXX: Actually detect bit6 swizzling */
 158    isl_device_init(&device->isl_dev, device->info, swizzled);
 159
 160    return VK_SUCCESS;
 161
 162 fail:
 163    close(fd);
 164    return result;
 165 }
 166
 167 static void
 168 anv_physical_device_finish(struct anv_physical_device *device)
 169 {
 170    anv_finish_wsi(device);
 171    ralloc_free(device->compiler);
 172 }
 173
 174 static const VkExtensionProperties global_extensions[] = {
 175    {
 176       .extensionName = VK_KHR_SURFACE_EXTENSION_NAME,
 177       .specVersion = 25,
 178    },
 179 #ifdef VK_USE_PLATFORM_XCB_KHR
 180    {
 181       .extensionName = VK_KHR_XCB_SURFACE_EXTENSION_NAME,
 182       .specVersion = 5,
 183    },
 184 #endif
 185 #ifdef VK_USE_PLATFORM_WAYLAND_KHR
 186    {
 187       .extensionName = VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME,
 188       .specVersion = 4,
 189    },
 190 #endif
 191 };
 192
 193 static const VkExtensionProperties device_extensions[] = {
 194    {
 195       .extensionName = VK_KHR_SWAPCHAIN_EXTENSION_NAME,
 196       .specVersion = 67,
 197    },
 198 };
 199
 200 static void *
 201 default_alloc_func(void *pUserData, size_t size, size_t align,
 202                    VkSystemAllocationScope allocationScope)
 203 {
 204    return malloc(size);
 205 }
 206
 207 static void *
 208 default_realloc_func(void *pUserData, void *pOriginal, size_t size,
 209                      size_t align, VkSystemAllocationScope allocationScope)
 210 {
 211    return realloc(pOriginal, size);
 212 }
 213
 214 static void
 215 default_free_func(void *pUserData, void *pMemory)
 216 {
 217    free(pMemory);
 218 }
 219
 220 static const VkAllocationCallbacks default_alloc = {
 221    .pUserData = NULL,
 222    .pfnAllocation = default_alloc_func,
 223    .pfnReallocation = default_realloc_func,
 224    .pfnFree = default_free_func,
 225 };
 226
 227 VkResult anv_CreateInstance(
 228     const VkInstanceCreateInfo*                 pCreateInfo,
 229     const VkAllocationCallbacks*                pAllocator,
 230     VkInstance*                                 pInstance)
 231 {
 232    struct anv_instance *instance;
 233
 234    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO);
 235
 236    uint32_t client_version;
 237    if (pCreateInfo->pApplicationInfo &&
 238        pCreateInfo->pApplicationInfo->apiVersion != 0) {
 239       client_version = pCreateInfo->pApplicationInfo->apiVersion;
 240    } else {
 241       client_version = VK_MAKE_VERSION(1, 0, 0);
 242    }
 243
 244    if (VK_MAKE_VERSION(1, 0, 0) > client_version ||
 245        client_version > VK_MAKE_VERSION(1, 0, 0xfff)) {
 246       return vk_errorf(VK_ERROR_INCOMPATIBLE_DRIVER,
 247                        "Client requested version %d.%d.%d",
 248                        VK_VERSION_MAJOR(client_version),
 249                        VK_VERSION_MINOR(client_version),
 250                        VK_VERSION_PATCH(client_version));
 251    }
 252
 253    for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
 254       bool found = false;
 255       for (uint32_t j = 0; j < ARRAY_SIZE(global_extensions); j++) {
 256          if (strcmp(pCreateInfo->ppEnabledExtensionNames[i],
 257                     global_extensions[j].extensionName) == 0) {
 258             found = true;
 259             break;
 260          }
 261       }
 262       if (!found)
 263          return vk_error(VK_ERROR_EXTENSION_NOT_PRESENT);
 264    }
 265
 266    instance = anv_alloc2(&default_alloc, pAllocator, sizeof(*instance), 8,
 267                          VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
 268    if (!instance)
 269       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 270
 271    instance->_loader_data.loaderMagic = ICD_LOADER_MAGIC;
 272
 273    if (pAllocator)
 274       instance->alloc = *pAllocator;
 275    else
 276       instance->alloc = default_alloc;
 277
 278    instance->apiVersion = client_version;
 279    instance->physicalDeviceCount = -1;
 280
 281    _mesa_locale_init();
 282
 283    VG(VALGRIND_CREATE_MEMPOOL(instance, 0, false));
 284
 285    *pInstance = anv_instance_to_handle(instance);
 286
 287    return VK_SUCCESS;
 288 }
 289
 290 void anv_DestroyInstance(
 291     VkInstance                                  _instance,
 292     const VkAllocationCallbacks*                pAllocator)
 293 {
 294    ANV_FROM_HANDLE(anv_instance, instance, _instance);
 295
 296    if (instance->physicalDeviceCount > 0) {
 297       /* We support at most one physical device. */
 298       assert(instance->physicalDeviceCount == 1);
 299       anv_physical_device_finish(&instance->physicalDevice);
 300    }
 301
 302    VG(VALGRIND_DESTROY_MEMPOOL(instance));
 303
 304    _mesa_locale_fini();
 305
 306    anv_free(&instance->alloc, instance);
 307 }
 308
 309 VkResult anv_EnumeratePhysicalDevices(
 310     VkInstance                                  _instance,
 311     uint32_t*                                   pPhysicalDeviceCount,
 312     VkPhysicalDevice*                           pPhysicalDevices)
 313 {
 314    ANV_FROM_HANDLE(anv_instance, instance, _instance);
 315    VkResult result;
 316
 317    if (instance->physicalDeviceCount < 0) {
 318       char path[20];
 319       for (unsigned i = 0; i < 8; i++) {
 320          snprintf(path, sizeof(path), "/dev/dri/renderD%d", 128 + i);
 321          result = anv_physical_device_init(&instance->physicalDevice,
 322                                            instance, path);
 323          if (result == VK_SUCCESS)
 324             break;
 325       }
 326
 327       if (result == VK_ERROR_INCOMPATIBLE_DRIVER) {
 328          instance->physicalDeviceCount = 0;
 329       } else if (result == VK_SUCCESS) {
 330          instance->physicalDeviceCount = 1;
 331       } else {
 332          return result;
 333       }
 334    }
 335
 336    /* pPhysicalDeviceCount is an out parameter if pPhysicalDevices is NULL;
 337     * otherwise it's an inout parameter.
 338     *
 339     * The Vulkan spec (git aaed022) says:
 340     *
 341     *    pPhysicalDeviceCount is a pointer to an unsigned integer variable
 342     *    that is initialized with the number of devices the application is
 343     *    prepared to receive handles to. pname:pPhysicalDevices is pointer to
 344     *    an array of at least this many VkPhysicalDevice handles [...].
 345     *
 346     *    Upon success, if pPhysicalDevices is NULL, vkEnumeratePhysicalDevices
 347     *    overwrites the contents of the variable pointed to by
 348     *    pPhysicalDeviceCount with the number of physical devices in in the
 349     *    instance; otherwise, vkEnumeratePhysicalDevices overwrites
 350     *    pPhysicalDeviceCount with the number of physical handles written to
 351     *    pPhysicalDevices.
 352     */
 353    if (!pPhysicalDevices) {
 354       *pPhysicalDeviceCount = instance->physicalDeviceCount;
 355    } else if (*pPhysicalDeviceCount >= 1) {
 356       pPhysicalDevices[0] = anv_physical_device_to_handle(&instance->physicalDevice);
 357       *pPhysicalDeviceCount = 1;
 358    } else {
 359       *pPhysicalDeviceCount = 0;
 360    }
 361
 362    return VK_SUCCESS;
 363 }
 364
 365 void anv_GetPhysicalDeviceFeatures(
 366     VkPhysicalDevice                            physicalDevice,
 367     VkPhysicalDeviceFeatures*                   pFeatures)
 368 {
 369    ANV_FROM_HANDLE(anv_physical_device, pdevice, physicalDevice);
 370
 371    *pFeatures = (VkPhysicalDeviceFeatures) {
 372       .robustBufferAccess                       = true,
 373       .fullDrawIndexUint32                      = true,
 374       .imageCubeArray                           = false,
 375       .independentBlend                         = pdevice->info->gen >= 8,
 376       .geometryShader                           = true,
 377       .tessellationShader                       = false,
 378       .sampleRateShading                        = false,
 379       .dualSrcBlend                             = true,
 380       .logicOp                                  = true,
 381       .multiDrawIndirect                        = false,
 382       .drawIndirectFirstInstance                = false,
 383       .depthClamp                               = false,
 384       .depthBiasClamp                           = false,
 385       .fillModeNonSolid                         = true,
 386       .depthBounds                              = false,
 387       .wideLines                                = true,
 388       .largePoints                              = true,
 389       .alphaToOne                               = true,
 390       .multiViewport                            = true,
 391       .samplerAnisotropy                        = false, /* FINISHME */
 392       .textureCompressionETC2                   = pdevice->info->gen >= 8 ||
 393                                                   pdevice->info->is_baytrail,
 394       .textureCompressionASTC_LDR               = pdevice->info->gen >= 9, /* FINISHME CHV */
 395       .textureCompressionBC                     = true,
 396       .occlusionQueryPrecise                    = true,
 397       .pipelineStatisticsQuery                  = false,
 398       .fragmentStoresAndAtomics                 = true,
 399       .shaderTessellationAndGeometryPointSize   = true,
 400       .shaderImageGatherExtended                = false,
 401       .shaderStorageImageExtendedFormats        = false,
 402       .shaderStorageImageMultisample            = false,
 403       .shaderUniformBufferArrayDynamicIndexing  = true,
 404       .shaderSampledImageArrayDynamicIndexing   = true,
 405       .shaderStorageBufferArrayDynamicIndexing  = true,
 406       .shaderStorageImageArrayDynamicIndexing   = true,
 407       .shaderStorageImageReadWithoutFormat      = false,
 408       .shaderStorageImageWriteWithoutFormat     = true,
 409       .shaderClipDistance                       = false,
 410       .shaderCullDistance                       = false,
 411       .shaderFloat64                            = false,
 412       .shaderInt64                              = false,
 413       .shaderInt16                              = false,
 414       .alphaToOne                               = true,
 415       .variableMultisampleRate                  = false,
 416       .inheritedQueries                         = false,
 417    };
 418
 419    /* We can't do image stores in vec4 shaders */
 420    pFeatures->vertexPipelineStoresAndAtomics =
 421       pdevice->compiler->scalar_stage[MESA_SHADER_VERTEX] &&
 422       pdevice->compiler->scalar_stage[MESA_SHADER_GEOMETRY];
 423 }
 424
 425 void
 426 anv_device_get_cache_uuid(void *uuid)
 427 {
 428    memset(uuid, 0, VK_UUID_SIZE);
 429    snprintf(uuid, VK_UUID_SIZE, "anv-%s", MESA_GIT_SHA1 + 4);
 430 }
 431
 432 void anv_GetPhysicalDeviceProperties(
 433     VkPhysicalDevice                            physicalDevice,
 434     VkPhysicalDeviceProperties*                 pProperties)
 435 {
 436    ANV_FROM_HANDLE(anv_physical_device, pdevice, physicalDevice);
 437    const struct brw_device_info *devinfo = pdevice->info;
 438
 439    anv_finishme("Get correct values for VkPhysicalDeviceLimits");
 440
 441    const float time_stamp_base = devinfo->gen >= 9 ? 83.333 : 80.0;
 442
 443    VkSampleCountFlags sample_counts =
 444       isl_device_get_sample_counts(&pdevice->isl_dev);
 445
 446    VkPhysicalDeviceLimits limits = {
 447       .maxImageDimension1D                      = (1 << 14),
 448       .maxImageDimension2D                      = (1 << 14),
 449       .maxImageDimension3D                      = (1 << 11),
 450       .maxImageDimensionCube                    = (1 << 14),
 451       .maxImageArrayLayers                      = (1 << 11),
 452       .maxTexelBufferElements                   = 128 * 1024 * 1024,
 453       .maxUniformBufferRange                    = UINT32_MAX,
 454       .maxStorageBufferRange                    = UINT32_MAX,
 455       .maxPushConstantsSize                     = MAX_PUSH_CONSTANTS_SIZE,
 456       .maxMemoryAllocationCount                 = UINT32_MAX,
 457       .maxSamplerAllocationCount                = 64 * 1024,
 458       .bufferImageGranularity                   = 64, /* A cache line */
 459       .sparseAddressSpaceSize                   = 0,
 460       .maxBoundDescriptorSets                   = MAX_SETS,
 461       .maxPerStageDescriptorSamplers            = 64,
 462       .maxPerStageDescriptorUniformBuffers      = 64,
 463       .maxPerStageDescriptorStorageBuffers      = 64,
 464       .maxPerStageDescriptorSampledImages       = 64,
 465       .maxPerStageDescriptorStorageImages       = 64,
 466       .maxPerStageDescriptorInputAttachments    = 64,
 467       .maxPerStageResources                     = 128,
 468       .maxDescriptorSetSamplers                 = 256,
 469       .maxDescriptorSetUniformBuffers           = 256,
 470       .maxDescriptorSetUniformBuffersDynamic    = 256,
 471       .maxDescriptorSetStorageBuffers           = 256,
 472       .maxDescriptorSetStorageBuffersDynamic    = 256,
 473       .maxDescriptorSetSampledImages            = 256,
 474       .maxDescriptorSetStorageImages            = 256,
 475       .maxDescriptorSetInputAttachments         = 256,
 476       .maxVertexInputAttributes                 = 32,
 477       .maxVertexInputBindings                   = 32,
 478       .maxVertexInputAttributeOffset            = 2047,
 479       .maxVertexInputBindingStride              = 2048,
 480       .maxVertexOutputComponents                = 128,
 481       .maxTessellationGenerationLevel           = 0,
 482       .maxTessellationPatchSize                 = 0,
 483       .maxTessellationControlPerVertexInputComponents = 0,
 484       .maxTessellationControlPerVertexOutputComponents = 0,
 485       .maxTessellationControlPerPatchOutputComponents = 0,
 486       .maxTessellationControlTotalOutputComponents = 0,
 487       .maxTessellationEvaluationInputComponents = 0,
 488       .maxTessellationEvaluationOutputComponents = 0,
 489       .maxGeometryShaderInvocations             = 32,
 490       .maxGeometryInputComponents               = 64,
 491       .maxGeometryOutputComponents              = 128,
 492       .maxGeometryOutputVertices                = 256,
 493       .maxGeometryTotalOutputComponents         = 1024,
 494       .maxFragmentInputComponents               = 128,
 495       .maxFragmentOutputAttachments             = 8,
 496       .maxFragmentDualSrcAttachments            = 2,
 497       .maxFragmentCombinedOutputResources       = 8,
 498       .maxComputeSharedMemorySize               = 32768,
 499       .maxComputeWorkGroupCount                 = { 65535, 65535, 65535 },
 500       .maxComputeWorkGroupInvocations           = 16 * devinfo->max_cs_threads,
 501       .maxComputeWorkGroupSize = {
 502          16 * devinfo->max_cs_threads,
 503          16 * devinfo->max_cs_threads,
 504          16 * devinfo->max_cs_threads,
 505       },
 506       .subPixelPrecisionBits                    = 4 /* FIXME */,
 507       .subTexelPrecisionBits                    = 4 /* FIXME */,
 508       .mipmapPrecisionBits                      = 4 /* FIXME */,
 509       .maxDrawIndexedIndexValue                 = UINT32_MAX,
 510       .maxDrawIndirectCount                     = UINT32_MAX,
 511       .maxSamplerLodBias                        = 16,
 512       .maxSamplerAnisotropy                     = 16,
 513       .maxViewports                             = MAX_VIEWPORTS,
 514       .maxViewportDimensions                    = { (1 << 14), (1 << 14) },
 515       .viewportBoundsRange                      = { INT16_MIN, INT16_MAX },
 516       .viewportSubPixelBits                     = 13, /* We take a float? */
 517       .minMemoryMapAlignment                    = 4096, /* A page */
 518       .minTexelBufferOffsetAlignment            = 1,
 519       .minUniformBufferOffsetAlignment          = 1,
 520       .minStorageBufferOffsetAlignment          = 1,
 521       .minTexelOffset                           = -8,
 522       .maxTexelOffset                           = 7,
 523       .minTexelGatherOffset                     = -8,
 524       .maxTexelGatherOffset                     = 7,
 525       .minInterpolationOffset                   = 0, /* FIXME */
 526       .maxInterpolationOffset                   = 0, /* FIXME */
 527       .subPixelInterpolationOffsetBits          = 0, /* FIXME */
 528       .maxFramebufferWidth                      = (1 << 14),
 529       .maxFramebufferHeight                     = (1 << 14),
 530       .maxFramebufferLayers                     = (1 << 10),
 531       .framebufferColorSampleCounts             = sample_counts,
 532       .framebufferDepthSampleCounts             = sample_counts,
 533       .framebufferStencilSampleCounts           = sample_counts,
 534       .framebufferNoAttachmentsSampleCounts     = sample_counts,
 535       .maxColorAttachments                      = MAX_RTS,
 536       .sampledImageColorSampleCounts            = sample_counts,
 537       .sampledImageIntegerSampleCounts          = VK_SAMPLE_COUNT_1_BIT,
 538       .sampledImageDepthSampleCounts            = sample_counts,
 539       .sampledImageStencilSampleCounts          = sample_counts,
 540       .storageImageSampleCounts                 = VK_SAMPLE_COUNT_1_BIT,
 541       .maxSampleMaskWords                       = 1,
 542       .timestampComputeAndGraphics              = false,
 543       .timestampPeriod                          = time_stamp_base / (1000 * 1000 * 1000),
 544       .maxClipDistances                         = 0 /* FIXME */,
 545       .maxCullDistances                         = 0 /* FIXME */,
 546       .maxCombinedClipAndCullDistances          = 0 /* FIXME */,
 547       .discreteQueuePriorities                  = 1,
 548       .pointSizeRange                           = { 0.125, 255.875 },
 549       .lineWidthRange                           = { 0.0, 7.9921875 },
 550       .pointSizeGranularity                     = (1.0 / 8.0),
 551       .lineWidthGranularity                     = (1.0 / 128.0),
 552       .strictLines                              = false, /* FINISHME */
 553       .standardSampleLocations                  = true,
 554       .optimalBufferCopyOffsetAlignment         = 128,
 555       .optimalBufferCopyRowPitchAlignment       = 128,
 556       .nonCoherentAtomSize                      = 64,
 557    };
 558
 559    *pProperties = (VkPhysicalDeviceProperties) {
 560       .apiVersion = VK_MAKE_VERSION(1, 0, 5),
 561       .driverVersion = 1,
 562       .vendorID = 0x8086,
 563       .deviceID = pdevice->chipset_id,
 564       .deviceType = VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU,
 565       .limits = limits,
 566       .sparseProperties = {0}, /* Broadwell doesn't do sparse. */
 567    };
 568
 569    strcpy(pProperties->deviceName, pdevice->name);
 570    anv_device_get_cache_uuid(pProperties->pipelineCacheUUID);
 571 }
 572
 573 void anv_GetPhysicalDeviceQueueFamilyProperties(
 574     VkPhysicalDevice                            physicalDevice,
 575     uint32_t*                                   pCount,
 576     VkQueueFamilyProperties*                    pQueueFamilyProperties)
 577 {
 578    if (pQueueFamilyProperties == NULL) {
 579       *pCount = 1;
 580       return;
 581    }
 582
 583    assert(*pCount >= 1);
 584
 585    *pQueueFamilyProperties = (VkQueueFamilyProperties) {
 586       .queueFlags = VK_QUEUE_GRAPHICS_BIT |
 587                     VK_QUEUE_COMPUTE_BIT |
 588                     VK_QUEUE_TRANSFER_BIT,
 589       .queueCount = 1,
 590       .timestampValidBits = 36, /* XXX: Real value here */
 591       .minImageTransferGranularity = (VkExtent3D) { 1, 1, 1 },
 592    };
 593 }
 594
 595 void anv_GetPhysicalDeviceMemoryProperties(
 596     VkPhysicalDevice                            physicalDevice,
 597     VkPhysicalDeviceMemoryProperties*           pMemoryProperties)
 598 {
 599    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 600    VkDeviceSize heap_size;
 601
 602    /* Reserve some wiggle room for the driver by exposing only 75% of the
 603     * aperture to the heap.
 604     */
 605    heap_size = 3 * physical_device->aperture_size / 4;
 606
 607    if (physical_device->info->has_llc) {
 608       /* Big core GPUs share LLC with the CPU and thus one memory type can be
 609        * both cached and coherent at the same time.
 610        */
 611       pMemoryProperties->memoryTypeCount = 1;
 612       pMemoryProperties->memoryTypes[0] = (VkMemoryType) {
 613          .propertyFlags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT |
 614                           VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
 615                           VK_MEMORY_PROPERTY_HOST_COHERENT_BIT |
 616                           VK_MEMORY_PROPERTY_HOST_CACHED_BIT,
 617          .heapIndex = 0,
 618       };
 619    } else {
 620       /* The spec requires that we expose a host-visible, coherent memory
 621        * type, but Atom GPUs don't share LLC. Thus we offer two memory types
 622        * to give the application a choice between cached, but not coherent and
 623        * coherent but uncached (WC though).
 624        */
 625       pMemoryProperties->memoryTypeCount = 2;
 626       pMemoryProperties->memoryTypes[0] = (VkMemoryType) {
 627          .propertyFlags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT |
 628                           VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
 629                           VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
 630          .heapIndex = 0,
 631       };
 632       pMemoryProperties->memoryTypes[1] = (VkMemoryType) {
 633          .propertyFlags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT |
 634                           VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
 635                           VK_MEMORY_PROPERTY_HOST_CACHED_BIT,
 636          .heapIndex = 0,
 637       };
 638    }
 639
 640    pMemoryProperties->memoryHeapCount = 1;
 641    pMemoryProperties->memoryHeaps[0] = (VkMemoryHeap) {
 642       .size = heap_size,
 643       .flags = VK_MEMORY_HEAP_DEVICE_LOCAL_BIT,
 644    };
 645 }
 646
 647 PFN_vkVoidFunction anv_GetInstanceProcAddr(
 648     VkInstance                                  instance,
 649     const char*                                 pName)
 650 {
 651    return anv_lookup_entrypoint(pName);
 652 }
 653
 654 /* The loader wants us to expose a second GetInstanceProcAddr function
 655  * to work around certain LD_PRELOAD issues seen in apps.
 656  */
 657 VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vk_icdGetInstanceProcAddr(
 658     VkInstance                                  instance,
 659     const char*                                 pName);
 660
 661 VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vk_icdGetInstanceProcAddr(
 662     VkInstance                                  instance,
 663     const char*                                 pName)
 664 {
 665    return anv_GetInstanceProcAddr(instance, pName);
 666 }
 667
 668 PFN_vkVoidFunction anv_GetDeviceProcAddr(
 669     VkDevice                                    device,
 670     const char*                                 pName)
 671 {
 672    return anv_lookup_entrypoint(pName);
 673 }
 674
 675 static VkResult
 676 anv_queue_init(struct anv_device *device, struct anv_queue *queue)
 677 {
 678    queue->_loader_data.loaderMagic = ICD_LOADER_MAGIC;
 679    queue->device = device;
 680    queue->pool = &device->surface_state_pool;
 681
 682    return VK_SUCCESS;
 683 }
 684
 685 static void
 686 anv_queue_finish(struct anv_queue *queue)
 687 {
 688 }
 689
 690 static struct anv_state
 691 anv_state_pool_emit_data(struct anv_state_pool *pool, size_t size, size_t align, const void *p)
 692 {
 693    struct anv_state state;
 694
 695    state = anv_state_pool_alloc(pool, size, align);
 696    memcpy(state.map, p, size);
 697
 698    if (!pool->block_pool->device->info.has_llc)
 699       anv_state_clflush(state);
 700
 701    return state;
 702 }
 703
 704 struct gen8_border_color {
 705    union {
 706       float float32[4];
 707       uint32_t uint32[4];
 708    };
 709    /* Pad out to 64 bytes */
 710    uint32_t _pad[12];
 711 };
 712
 713 static void
 714 anv_device_init_border_colors(struct anv_device *device)
 715 {
 716    static const struct gen8_border_color border_colors[] = {
 717       [VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK] =  { .float32 = { 0.0, 0.0, 0.0, 0.0 } },
 718       [VK_BORDER_COLOR_FLOAT_OPAQUE_BLACK] =       { .float32 = { 0.0, 0.0, 0.0, 1.0 } },
 719       [VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE] =       { .float32 = { 1.0, 1.0, 1.0, 1.0 } },
 720       [VK_BORDER_COLOR_INT_TRANSPARENT_BLACK] =    { .uint32 = { 0, 0, 0, 0 } },
 721       [VK_BORDER_COLOR_INT_OPAQUE_BLACK] =         { .uint32 = { 0, 0, 0, 1 } },
 722       [VK_BORDER_COLOR_INT_OPAQUE_WHITE] =         { .uint32 = { 1, 1, 1, 1 } },
 723    };
 724
 725    device->border_colors = anv_state_pool_emit_data(&device->dynamic_state_pool,
 726                                                     sizeof(border_colors), 64,
 727                                                     border_colors);
 728 }
 729
 730 VkResult
 731 anv_device_submit_simple_batch(struct anv_device *device,
 732                                struct anv_batch *batch)
 733 {
 734    struct drm_i915_gem_execbuffer2 execbuf;
 735    struct drm_i915_gem_exec_object2 exec2_objects[1];
 736    struct anv_bo bo;
 737    VkResult result = VK_SUCCESS;
 738    uint32_t size;
 739    int64_t timeout;
 740    int ret;
 741
 742    /* Kernel driver requires 8 byte aligned batch length */
 743    size = align_u32(batch->next - batch->start, 8);
 744    result = anv_bo_pool_alloc(&device->batch_bo_pool, &bo, size);
 745    if (result != VK_SUCCESS)
 746       return result;
 747
 748    memcpy(bo.map, batch->start, size);
 749    if (!device->info.has_llc)
 750       anv_clflush_range(bo.map, size);
 751
 752    exec2_objects[0].handle = bo.gem_handle;
 753    exec2_objects[0].relocation_count = 0;
 754    exec2_objects[0].relocs_ptr = 0;
 755    exec2_objects[0].alignment = 0;
 756    exec2_objects[0].offset = bo.offset;
 757    exec2_objects[0].flags = 0;
 758    exec2_objects[0].rsvd1 = 0;
 759    exec2_objects[0].rsvd2 = 0;
 760
 761    execbuf.buffers_ptr = (uintptr_t) exec2_objects;
 762    execbuf.buffer_count = 1;
 763    execbuf.batch_start_offset = 0;
 764    execbuf.batch_len = size;
 765    execbuf.cliprects_ptr = 0;
 766    execbuf.num_cliprects = 0;
 767    execbuf.DR1 = 0;
 768    execbuf.DR4 = 0;
 769
 770    execbuf.flags =
 771       I915_EXEC_HANDLE_LUT | I915_EXEC_NO_RELOC | I915_EXEC_RENDER;
 772    execbuf.rsvd1 = device->context_id;
 773    execbuf.rsvd2 = 0;
 774
 775    ret = anv_gem_execbuffer(device, &execbuf);
 776    if (ret != 0) {
 777       /* We don't know the real error. */
 778       result = vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY, "execbuf2 failed: %m");
 779       goto fail;
 780    }
 781
 782    timeout = INT64_MAX;
 783    ret = anv_gem_wait(device, bo.gem_handle, &timeout);
 784    if (ret != 0) {
 785       /* We don't know the real error. */
 786       result = vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY, "execbuf2 failed: %m");
 787       goto fail;
 788    }
 789
 790  fail:
 791    anv_bo_pool_free(&device->batch_bo_pool, &bo);
 792
 793    return result;
 794 }
 795
 796 VkResult anv_CreateDevice(
 797     VkPhysicalDevice                            physicalDevice,
 798     const VkDeviceCreateInfo*                   pCreateInfo,
 799     const VkAllocationCallbacks*                pAllocator,
 800     VkDevice*                                   pDevice)
 801 {
 802    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 803    VkResult result;
 804    struct anv_device *device;
 805
 806    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO);
 807
 808    for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
 809       bool found = false;
 810       for (uint32_t j = 0; j < ARRAY_SIZE(device_extensions); j++) {
 811          if (strcmp(pCreateInfo->ppEnabledExtensionNames[i],
 812                     device_extensions[j].extensionName) == 0) {
 813             found = true;
 814             break;
 815          }
 816       }
 817       if (!found)
 818          return vk_error(VK_ERROR_EXTENSION_NOT_PRESENT);
 819    }
 820
 821    anv_set_dispatch_devinfo(physical_device->info);
 822
 823    device = anv_alloc2(&physical_device->instance->alloc, pAllocator,
 824                        sizeof(*device), 8,
 825                        VK_SYSTEM_ALLOCATION_SCOPE_DEVICE);
 826    if (!device)
 827       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 828
 829    device->_loader_data.loaderMagic = ICD_LOADER_MAGIC;
 830    device->instance = physical_device->instance;
 831    device->chipset_id = physical_device->chipset_id;
 832
 833    if (pAllocator)
 834       device->alloc = *pAllocator;
 835    else
 836       device->alloc = physical_device->instance->alloc;
 837
 838    /* XXX(chadv): Can we dup() physicalDevice->fd here? */
 839    device->fd = open(physical_device->path, O_RDWR | O_CLOEXEC);
 840    if (device->fd == -1) {
 841       result = vk_error(VK_ERROR_INITIALIZATION_FAILED);
 842       goto fail_device;
 843    }
 844
 845    device->context_id = anv_gem_create_context(device);
 846    if (device->context_id == -1) {
 847       result = vk_error(VK_ERROR_INITIALIZATION_FAILED);
 848       goto fail_fd;
 849    }
 850
 851    device->info = *physical_device->info;
 852    device->isl_dev = physical_device->isl_dev;
 853
 854    /* On Broadwell and later, we can use batch chaining to more efficiently
 855     * implement growing command buffers.  Prior to Haswell, the kernel
 856     * command parser gets in the way and we have to fall back to growing
 857     * the batch.
 858     */
 859    device->can_chain_batches = device->info.gen >= 8;
 860
 861    device->robust_buffer_access = pCreateInfo->pEnabledFeatures &&
 862       pCreateInfo->pEnabledFeatures->robustBufferAccess;
 863
 864    pthread_mutex_init(&device->mutex, NULL);
 865
 866    anv_bo_pool_init(&device->batch_bo_pool, device);
 867
 868    anv_block_pool_init(&device->dynamic_state_block_pool, device, 16384);
 869
 870    anv_state_pool_init(&device->dynamic_state_pool,
 871                        &device->dynamic_state_block_pool);
 872
 873    anv_block_pool_init(&device->instruction_block_pool, device, 128 * 1024);
 874    anv_pipeline_cache_init(&device->default_pipeline_cache, device);
 875
 876    anv_block_pool_init(&device->surface_state_block_pool, device, 4096);
 877
 878    anv_state_pool_init(&device->surface_state_pool,
 879                        &device->surface_state_block_pool);
 880
 881    anv_bo_init_new(&device->workaround_bo, device, 1024);
 882
 883    anv_block_pool_init(&device->scratch_block_pool, device, 0x10000);
 884
 885    anv_queue_init(device, &device->queue);
 886
 887    switch (device->info.gen) {
 888    case 7:
 889       if (!device->info.is_haswell)
 890          result = gen7_init_device_state(device);
 891       else
 892          result = gen75_init_device_state(device);
 893       break;
 894    case 8:
 895       result = gen8_init_device_state(device);
 896       break;
 897    case 9:
 898       result = gen9_init_device_state(device);
 899       break;
 900    default:
 901       /* Shouldn't get here as we don't create physical devices for any other
 902        * gens. */
 903       unreachable("unhandled gen");
 904    }
 905    if (result != VK_SUCCESS)
 906       goto fail_fd;
 907
 908    result = anv_device_init_meta(device);
 909    if (result != VK_SUCCESS)
 910       goto fail_fd;
 911
 912    anv_device_init_border_colors(device);
 913
 914    *pDevice = anv_device_to_handle(device);
 915
 916    return VK_SUCCESS;
 917
 918  fail_fd:
 919    close(device->fd);
 920  fail_device:
 921    anv_free(&device->alloc, device);
 922
 923    return result;
 924 }
 925
 926 void anv_DestroyDevice(
 927     VkDevice                                    _device,
 928     const VkAllocationCallbacks*                pAllocator)
 929 {
 930    ANV_FROM_HANDLE(anv_device, device, _device);
 931
 932    anv_queue_finish(&device->queue);
 933
 934    anv_device_finish_meta(device);
 935
 936 #ifdef HAVE_VALGRIND
 937    /* We only need to free these to prevent valgrind errors.  The backing
 938     * BO will go away in a couple of lines so we don't actually leak.
 939     */
 940    anv_state_pool_free(&device->dynamic_state_pool, device->border_colors);
 941 #endif
 942
 943    anv_gem_munmap(device->workaround_bo.map, device->workaround_bo.size);
 944    anv_gem_close(device, device->workaround_bo.gem_handle);
 945
 946    anv_bo_pool_finish(&device->batch_bo_pool);
 947    anv_state_pool_finish(&device->dynamic_state_pool);
 948    anv_block_pool_finish(&device->dynamic_state_block_pool);
 949    anv_block_pool_finish(&device->instruction_block_pool);
 950    anv_state_pool_finish(&device->surface_state_pool);
 951    anv_block_pool_finish(&device->surface_state_block_pool);
 952    anv_block_pool_finish(&device->scratch_block_pool);
 953
 954    close(device->fd);
 955
 956    pthread_mutex_destroy(&device->mutex);
 957
 958    anv_free(&device->alloc, device);
 959 }
 960
 961 VkResult anv_EnumerateInstanceExtensionProperties(
 962     const char*                                 pLayerName,
 963     uint32_t*                                   pPropertyCount,
 964     VkExtensionProperties*                      pProperties)
 965 {
 966    if (pProperties == NULL) {
 967       *pPropertyCount = ARRAY_SIZE(global_extensions);
 968       return VK_SUCCESS;
 969    }
 970
 971    assert(*pPropertyCount >= ARRAY_SIZE(global_extensions));
 972
 973    *pPropertyCount = ARRAY_SIZE(global_extensions);
 974    memcpy(pProperties, global_extensions, sizeof(global_extensions));
 975
 976    return VK_SUCCESS;
 977 }
 978
 979 VkResult anv_EnumerateDeviceExtensionProperties(
 980     VkPhysicalDevice                            physicalDevice,
 981     const char*                                 pLayerName,
 982     uint32_t*                                   pPropertyCount,
 983     VkExtensionProperties*                      pProperties)
 984 {
 985    if (pProperties == NULL) {
 986       *pPropertyCount = ARRAY_SIZE(device_extensions);
 987       return VK_SUCCESS;
 988    }
 989
 990    assert(*pPropertyCount >= ARRAY_SIZE(device_extensions));
 991
 992    *pPropertyCount = ARRAY_SIZE(device_extensions);
 993    memcpy(pProperties, device_extensions, sizeof(device_extensions));
 994
 995    return VK_SUCCESS;
 996 }
 997
 998 VkResult anv_EnumerateInstanceLayerProperties(
 999     uint32_t*                                   pPropertyCount,
1000     VkLayerProperties*                          pProperties)
1001 {
1002    if (pProperties == NULL) {
1003       *pPropertyCount = 0;
1004       return VK_SUCCESS;
1005    }
1006
1007    /* None supported at this time */
1008    return vk_error(VK_ERROR_LAYER_NOT_PRESENT);
1009 }
1010
1011 VkResult anv_EnumerateDeviceLayerProperties(
1012     VkPhysicalDevice                            physicalDevice,
1013     uint32_t*                                   pPropertyCount,
1014     VkLayerProperties*                          pProperties)
1015 {
1016    if (pProperties == NULL) {
1017       *pPropertyCount = 0;
1018       return VK_SUCCESS;
1019    }
1020
1021    /* None supported at this time */
1022    return vk_error(VK_ERROR_LAYER_NOT_PRESENT);
1023 }
1024
1025 void anv_GetDeviceQueue(
1026     VkDevice                                    _device,
1027     uint32_t                                    queueNodeIndex,
1028     uint32_t                                    queueIndex,
1029     VkQueue*                                    pQueue)
1030 {
1031    ANV_FROM_HANDLE(anv_device, device, _device);
1032
1033    assert(queueIndex == 0);
1034
1035    *pQueue = anv_queue_to_handle(&device->queue);
1036 }
1037
1038 VkResult anv_QueueSubmit(
1039     VkQueue                                     _queue,
1040     uint32_t                                    submitCount,
1041     const VkSubmitInfo*                         pSubmits,
1042     VkFence                                     _fence)
1043 {
1044    ANV_FROM_HANDLE(anv_queue, queue, _queue);
1045    ANV_FROM_HANDLE(anv_fence, fence, _fence);
1046    struct anv_device *device = queue->device;
1047    int ret;
1048
1049    for (uint32_t i = 0; i < submitCount; i++) {
1050       for (uint32_t j = 0; j < pSubmits[i].commandBufferCount; j++) {
1051          ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer,
1052                          pSubmits[i].pCommandBuffers[j]);
1053          assert(cmd_buffer->level == VK_COMMAND_BUFFER_LEVEL_PRIMARY);
1054
1055          ret = anv_gem_execbuffer(device, &cmd_buffer->execbuf2.execbuf);
1056          if (ret != 0) {
1057             /* We don't know the real error. */
1058             return vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY,
1059                              "execbuf2 failed: %m");
1060          }
1061
1062          for (uint32_t k = 0; k < cmd_buffer->execbuf2.bo_count; k++)
1063             cmd_buffer->execbuf2.bos[k]->offset = cmd_buffer->execbuf2.objects[k].offset;
1064       }
1065    }
1066
1067    if (fence) {
1068       ret = anv_gem_execbuffer(device, &fence->execbuf);
1069       if (ret != 0) {
1070          /* We don't know the real error. */
1071          return vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY,
1072                           "execbuf2 failed: %m");
1073       }
1074    }
1075
1076    return VK_SUCCESS;
1077 }
1078
1079 VkResult anv_QueueWaitIdle(
1080     VkQueue                                     _queue)
1081 {
1082    ANV_FROM_HANDLE(anv_queue, queue, _queue);
1083
1084    return ANV_CALL(DeviceWaitIdle)(anv_device_to_handle(queue->device));
1085 }
1086
1087 VkResult anv_DeviceWaitIdle(
1088     VkDevice                                    _device)
1089 {
1090    ANV_FROM_HANDLE(anv_device, device, _device);
1091    struct anv_batch batch;
1092
1093    uint32_t cmds[8];
1094    batch.start = batch.next = cmds;
1095    batch.end = (void *) cmds + sizeof(cmds);
1096
1097    anv_batch_emit(&batch, GEN7_MI_BATCH_BUFFER_END, bbe);
1098    anv_batch_emit(&batch, GEN7_MI_NOOP, noop);
1099
1100    return anv_device_submit_simple_batch(device, &batch);
1101 }
1102
1103 VkResult
1104 anv_bo_init_new(struct anv_bo *bo, struct anv_device *device, uint64_t size)
1105 {
1106    bo->gem_handle = anv_gem_create(device, size);
1107    if (!bo->gem_handle)
1108       return vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
1109
1110    bo->map = NULL;
1111    bo->index = 0;
1112    bo->offset = 0;
1113    bo->size = size;
1114    bo->is_winsys_bo = false;
1115
1116    return VK_SUCCESS;
1117 }
1118
1119 VkResult anv_AllocateMemory(
1120     VkDevice                                    _device,
1121     const VkMemoryAllocateInfo*                 pAllocateInfo,
1122     const VkAllocationCallbacks*                pAllocator,
1123     VkDeviceMemory*                             pMem)
1124 {
1125    ANV_FROM_HANDLE(anv_device, device, _device);
1126    struct anv_device_memory *mem;
1127    VkResult result;
1128
1129    assert(pAllocateInfo->sType == VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO);
1130
1131    if (pAllocateInfo->allocationSize == 0) {
1132       /* Apparently, this is allowed */
1133       *pMem = VK_NULL_HANDLE;
1134       return VK_SUCCESS;
1135    }
1136
1137    /* We support exactly one memory heap. */
1138    assert(pAllocateInfo->memoryTypeIndex == 0 ||
1139           (!device->info.has_llc && pAllocateInfo->memoryTypeIndex < 2));
1140
1141    /* FINISHME: Fail if allocation request exceeds heap size. */
1142
1143    mem = anv_alloc2(&device->alloc, pAllocator, sizeof(*mem), 8,
1144                     VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
1145    if (mem == NULL)
1146       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
1147
1148    /* The kernel is going to give us whole pages anyway */
1149    uint64_t alloc_size = align_u64(pAllocateInfo->allocationSize, 4096);
1150
1151    result = anv_bo_init_new(&mem->bo, device, alloc_size);
1152    if (result != VK_SUCCESS)
1153       goto fail;
1154
1155    mem->type_index = pAllocateInfo->memoryTypeIndex;
1156
1157    *pMem = anv_device_memory_to_handle(mem);
1158
1159    return VK_SUCCESS;
1160
1161  fail:
1162    anv_free2(&device->alloc, pAllocator, mem);
1163
1164    return result;
1165 }
1166
1167 void anv_FreeMemory(
1168     VkDevice                                    _device,
1169     VkDeviceMemory                              _mem,
1170     const VkAllocationCallbacks*                pAllocator)
1171 {
1172    ANV_FROM_HANDLE(anv_device, device, _device);
1173    ANV_FROM_HANDLE(anv_device_memory, mem, _mem);
1174
1175    if (mem == NULL)
1176       return;
1177
1178    if (mem->bo.map)
1179       anv_gem_munmap(mem->bo.map, mem->bo.size);
1180
1181    if (mem->bo.gem_handle != 0)
1182       anv_gem_close(device, mem->bo.gem_handle);
1183
1184    anv_free2(&device->alloc, pAllocator, mem);
1185 }
1186
1187 VkResult anv_MapMemory(
1188     VkDevice                                    _device,
1189     VkDeviceMemory                              _memory,
1190     VkDeviceSize                                offset,
1191     VkDeviceSize                                size,
1192     VkMemoryMapFlags                            flags,
1193     void**                                      ppData)
1194 {
1195    ANV_FROM_HANDLE(anv_device, device, _device);
1196    ANV_FROM_HANDLE(anv_device_memory, mem, _memory);
1197
1198    if (mem == NULL) {
1199       *ppData = NULL;
1200       return VK_SUCCESS;
1201    }
1202
1203    if (size == VK_WHOLE_SIZE)
1204       size = mem->bo.size - offset;
1205
1206    /* FIXME: Is this supposed to be thread safe? Since vkUnmapMemory() only
1207     * takes a VkDeviceMemory pointer, it seems like only one map of the memory
1208     * at a time is valid. We could just mmap up front and return an offset
1209     * pointer here, but that may exhaust virtual memory on 32 bit
1210     * userspace. */
1211
1212    uint32_t gem_flags = 0;
1213    if (!device->info.has_llc && mem->type_index == 0)
1214       gem_flags |= I915_MMAP_WC;
1215
1216    /* GEM will fail to map if the offset isn't 4k-aligned.  Round down. */
1217    uint64_t map_offset = offset & ~4095ull;
1218    assert(offset >= map_offset);
1219    uint64_t map_size = (offset + size) - map_offset;
1220
1221    /* Let's map whole pages */
1222    map_size = align_u64(map_size, 4096);
1223
1224    mem->map = anv_gem_mmap(device, mem->bo.gem_handle,
1225                            map_offset, map_size, gem_flags);
1226    mem->map_size = map_size;
1227
1228    *ppData = mem->map + (offset - map_offset);
1229
1230    return VK_SUCCESS;
1231 }
1232
1233 void anv_UnmapMemory(
1234     VkDevice                                    _device,
1235     VkDeviceMemory                              _memory)
1236 {
1237    ANV_FROM_HANDLE(anv_device_memory, mem, _memory);
1238
1239    if (mem == NULL)
1240       return;
1241
1242    anv_gem_munmap(mem->map, mem->map_size);
1243 }
1244
1245 static void
1246 clflush_mapped_ranges(struct anv_device         *device,
1247                       uint32_t                   count,
1248                       const VkMappedMemoryRange *ranges)
1249 {
1250    for (uint32_t i = 0; i < count; i++) {
1251       ANV_FROM_HANDLE(anv_device_memory, mem, ranges[i].memory);
1252       void *p = mem->map + (ranges[i].offset & ~CACHELINE_MASK);
1253       void *end;
1254
1255       if (ranges[i].offset + ranges[i].size > mem->map_size)
1256          end = mem->map + mem->map_size;
1257       else
1258          end = mem->map + ranges[i].offset + ranges[i].size;
1259
1260       while (p < end) {
1261          __builtin_ia32_clflush(p);
1262          p += CACHELINE_SIZE;
1263       }
1264    }
1265 }
1266
1267 VkResult anv_FlushMappedMemoryRanges(
1268     VkDevice                                    _device,
1269     uint32_t                                    memoryRangeCount,
1270     const VkMappedMemoryRange*                  pMemoryRanges)
1271 {
1272    ANV_FROM_HANDLE(anv_device, device, _device);
1273
1274    if (device->info.has_llc)
1275       return VK_SUCCESS;
1276
1277    /* Make sure the writes we're flushing have landed. */
1278    __builtin_ia32_mfence();
1279
1280    clflush_mapped_ranges(device, memoryRangeCount, pMemoryRanges);
1281
1282    return VK_SUCCESS;
1283 }
1284
1285 VkResult anv_InvalidateMappedMemoryRanges(
1286     VkDevice                                    _device,
1287     uint32_t                                    memoryRangeCount,
1288     const VkMappedMemoryRange*                  pMemoryRanges)
1289 {
1290    ANV_FROM_HANDLE(anv_device, device, _device);
1291
1292    if (device->info.has_llc)
1293       return VK_SUCCESS;
1294
1295    clflush_mapped_ranges(device, memoryRangeCount, pMemoryRanges);
1296
1297    /* Make sure no reads get moved up above the invalidate. */
1298    __builtin_ia32_mfence();
1299
1300    return VK_SUCCESS;
1301 }
1302
1303 void anv_GetBufferMemoryRequirements(
1304     VkDevice                                    device,
1305     VkBuffer                                    _buffer,
1306     VkMemoryRequirements*                       pMemoryRequirements)
1307 {
1308    ANV_FROM_HANDLE(anv_buffer, buffer, _buffer);
1309
1310    /* The Vulkan spec (git aaed022) says:
1311     *
1312     *    memoryTypeBits is a bitfield and contains one bit set for every
1313     *    supported memory type for the resource. The bit `1<<i` is set if and
1314     *    only if the memory type `i` in the VkPhysicalDeviceMemoryProperties
1315     *    structure for the physical device is supported.
1316     *
1317     * We support exactly one memory type.
1318     */
1319    pMemoryRequirements->memoryTypeBits = 1;
1320
1321    pMemoryRequirements->size = buffer->size;
1322    pMemoryRequirements->alignment = 16;
1323 }
1324
1325 void anv_GetImageMemoryRequirements(
1326     VkDevice                                    device,
1327     VkImage                                     _image,
1328     VkMemoryRequirements*                       pMemoryRequirements)
1329 {
1330    ANV_FROM_HANDLE(anv_image, image, _image);
1331
1332    /* The Vulkan spec (git aaed022) says:
1333     *
1334     *    memoryTypeBits is a bitfield and contains one bit set for every
1335     *    supported memory type for the resource. The bit `1<<i` is set if and
1336     *    only if the memory type `i` in the VkPhysicalDeviceMemoryProperties
1337     *    structure for the physical device is supported.
1338     *
1339     * We support exactly one memory type.
1340     */
1341    pMemoryRequirements->memoryTypeBits = 1;
1342
1343    pMemoryRequirements->size = image->size;
1344    pMemoryRequirements->alignment = image->alignment;
1345 }
1346
1347 void anv_GetImageSparseMemoryRequirements(
1348     VkDevice                                    device,
1349     VkImage                                     image,
1350     uint32_t*                                   pSparseMemoryRequirementCount,
1351     VkSparseImageMemoryRequirements*            pSparseMemoryRequirements)
1352 {
1353    stub();
1354 }
1355
1356 void anv_GetDeviceMemoryCommitment(
1357     VkDevice                                    device,
1358     VkDeviceMemory                              memory,
1359     VkDeviceSize*                               pCommittedMemoryInBytes)
1360 {
1361    *pCommittedMemoryInBytes = 0;
1362 }
1363
1364 VkResult anv_BindBufferMemory(
1365     VkDevice                                    device,
1366     VkBuffer                                    _buffer,
1367     VkDeviceMemory                              _memory,
1368     VkDeviceSize                                memoryOffset)
1369 {
1370    ANV_FROM_HANDLE(anv_device_memory, mem, _memory);
1371    ANV_FROM_HANDLE(anv_buffer, buffer, _buffer);
1372
1373    if (mem) {
1374       buffer->bo = &mem->bo;
1375       buffer->offset = memoryOffset;
1376    } else {
1377       buffer->bo = NULL;
1378       buffer->offset = 0;
1379    }
1380
1381    return VK_SUCCESS;
1382 }
1383
1384 VkResult anv_BindImageMemory(
1385     VkDevice                                    device,
1386     VkImage                                     _image,
1387     VkDeviceMemory                              _memory,
1388     VkDeviceSize                                memoryOffset)
1389 {
1390    ANV_FROM_HANDLE(anv_device_memory, mem, _memory);
1391    ANV_FROM_HANDLE(anv_image, image, _image);
1392
1393    if (mem) {
1394       image->bo = &mem->bo;
1395       image->offset = memoryOffset;
1396    } else {
1397       image->bo = NULL;
1398       image->offset = 0;
1399    }
1400
1401    return VK_SUCCESS;
1402 }
1403
1404 VkResult anv_QueueBindSparse(
1405     VkQueue                                     queue,
1406     uint32_t                                    bindInfoCount,
1407     const VkBindSparseInfo*                     pBindInfo,
1408     VkFence                                     fence)
1409 {
1410    stub_return(VK_ERROR_INCOMPATIBLE_DRIVER);
1411 }
1412
1413 VkResult anv_CreateFence(
1414     VkDevice                                    _device,
1415     const VkFenceCreateInfo*                    pCreateInfo,
1416     const VkAllocationCallbacks*                pAllocator,
1417     VkFence*                                    pFence)
1418 {
1419    ANV_FROM_HANDLE(anv_device, device, _device);
1420    struct anv_bo fence_bo;
1421    struct anv_fence *fence;
1422    struct anv_batch batch;
1423    VkResult result;
1424
1425    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_FENCE_CREATE_INFO);
1426
1427    result = anv_bo_pool_alloc(&device->batch_bo_pool, &fence_bo, 4096);
1428    if (result != VK_SUCCESS)
1429       return result;
1430
1431    /* Fences are small.  Just store the CPU data structure in the BO. */
1432    fence = fence_bo.map;
1433    fence->bo = fence_bo;
1434
1435    /* Place the batch after the CPU data but on its own cache line. */
1436    const uint32_t batch_offset = align_u32(sizeof(*fence), CACHELINE_SIZE);
1437    batch.next = batch.start = fence->bo.map + batch_offset;
1438    batch.end = fence->bo.map + fence->bo.size;
1439    anv_batch_emit(&batch, GEN7_MI_BATCH_BUFFER_END, bbe);
1440    anv_batch_emit(&batch, GEN7_MI_NOOP, noop);
1441
1442    if (!device->info.has_llc) {
1443       assert(((uintptr_t) batch.start & CACHELINE_MASK) == 0);
1444       assert(batch.next - batch.start <= CACHELINE_SIZE);
1445       __builtin_ia32_mfence();
1446       __builtin_ia32_clflush(batch.start);
1447    }
1448
1449    fence->exec2_objects[0].handle = fence->bo.gem_handle;
1450    fence->exec2_objects[0].relocation_count = 0;
1451    fence->exec2_objects[0].relocs_ptr = 0;
1452    fence->exec2_objects[0].alignment = 0;
1453    fence->exec2_objects[0].offset = fence->bo.offset;
1454    fence->exec2_objects[0].flags = 0;
1455    fence->exec2_objects[0].rsvd1 = 0;
1456    fence->exec2_objects[0].rsvd2 = 0;
1457
1458    fence->execbuf.buffers_ptr = (uintptr_t) fence->exec2_objects;
1459    fence->execbuf.buffer_count = 1;
1460    fence->execbuf.batch_start_offset = batch.start - fence->bo.map;
1461    fence->execbuf.batch_len = batch.next - batch.start;
1462    fence->execbuf.cliprects_ptr = 0;
1463    fence->execbuf.num_cliprects = 0;
1464    fence->execbuf.DR1 = 0;
1465    fence->execbuf.DR4 = 0;
1466
1467    fence->execbuf.flags =
1468       I915_EXEC_HANDLE_LUT | I915_EXEC_NO_RELOC | I915_EXEC_RENDER;
1469    fence->execbuf.rsvd1 = device->context_id;
1470    fence->execbuf.rsvd2 = 0;
1471
1472    fence->ready = false;
1473
1474    *pFence = anv_fence_to_handle(fence);
1475
1476    return VK_SUCCESS;
1477 }
1478
1479 void anv_DestroyFence(
1480     VkDevice                                    _device,
1481     VkFence                                     _fence,
1482     const VkAllocationCallbacks*                pAllocator)
1483 {
1484    ANV_FROM_HANDLE(anv_device, device, _device);
1485    ANV_FROM_HANDLE(anv_fence, fence, _fence);
1486
1487    assert(fence->bo.map == fence);
1488    anv_bo_pool_free(&device->batch_bo_pool, &fence->bo);
1489 }
1490
1491 VkResult anv_ResetFences(
1492     VkDevice                                    _device,
1493     uint32_t                                    fenceCount,
1494     const VkFence*                              pFences)
1495 {
1496    for (uint32_t i = 0; i < fenceCount; i++) {
1497       ANV_FROM_HANDLE(anv_fence, fence, pFences[i]);
1498       fence->ready = false;
1499    }
1500
1501    return VK_SUCCESS;
1502 }
1503
1504 VkResult anv_GetFenceStatus(
1505     VkDevice                                    _device,
1506     VkFence                                     _fence)
1507 {
1508    ANV_FROM_HANDLE(anv_device, device, _device);
1509    ANV_FROM_HANDLE(anv_fence, fence, _fence);
1510    int64_t t = 0;
1511    int ret;
1512
1513    if (fence->ready)
1514       return VK_SUCCESS;
1515
1516    ret = anv_gem_wait(device, fence->bo.gem_handle, &t);
1517    if (ret == 0) {
1518       fence->ready = true;
1519       return VK_SUCCESS;
1520    }
1521
1522    return VK_NOT_READY;
1523 }
1524
1525 VkResult anv_WaitForFences(
1526     VkDevice                                    _device,
1527     uint32_t                                    fenceCount,
1528     const VkFence*                              pFences,
1529     VkBool32                                    waitAll,
1530     uint64_t                                    timeout)
1531 {
1532    ANV_FROM_HANDLE(anv_device, device, _device);
1533
1534    /* DRM_IOCTL_I915_GEM_WAIT uses a signed 64 bit timeout and is supposed
1535     * to block indefinitely timeouts <= 0.  Unfortunately, this was broken
1536     * for a couple of kernel releases.  Since there's no way to know
1537     * whether or not the kernel we're using is one of the broken ones, the
1538     * best we can do is to clamp the timeout to INT64_MAX.  This limits the
1539     * maximum timeout from 584 years to 292 years - likely not a big deal.
1540     */
1541    if (timeout > INT64_MAX)
1542       timeout = INT64_MAX;
1543
1544    int64_t t = timeout;
1545
1546    /* FIXME: handle !waitAll */
1547
1548    for (uint32_t i = 0; i < fenceCount; i++) {
1549       ANV_FROM_HANDLE(anv_fence, fence, pFences[i]);
1550       int ret = anv_gem_wait(device, fence->bo.gem_handle, &t);
1551       if (ret == -1 && errno == ETIME) {
1552          return VK_TIMEOUT;
1553       } else if (ret == -1) {
1554          /* We don't know the real error. */
1555          return vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY,
1556                           "gem wait failed: %m");
1557       }
1558    }
1559
1560    return VK_SUCCESS;
1561 }
1562
1563 // Queue semaphore functions
1564
1565 VkResult anv_CreateSemaphore(
1566     VkDevice                                    device,
1567     const VkSemaphoreCreateInfo*                pCreateInfo,
1568     const VkAllocationCallbacks*                pAllocator,
1569     VkSemaphore*                                pSemaphore)
1570 {
1571    /* The DRM execbuffer ioctl always execute in-oder, even between different
1572     * rings. As such, there's nothing to do for the user space semaphore.
1573     */
1574
1575    *pSemaphore = (VkSemaphore)1;
1576
1577    return VK_SUCCESS;
1578 }
1579
1580 void anv_DestroySemaphore(
1581     VkDevice                                    device,
1582     VkSemaphore                                 semaphore,
1583     const VkAllocationCallbacks*                pAllocator)
1584 {
1585 }
1586
1587 // Event functions
1588
1589 VkResult anv_CreateEvent(
1590     VkDevice                                    _device,
1591     const VkEventCreateInfo*                    pCreateInfo,
1592     const VkAllocationCallbacks*                pAllocator,
1593     VkEvent*                                    pEvent)
1594 {
1595    ANV_FROM_HANDLE(anv_device, device, _device);
1596    struct anv_state state;
1597    struct anv_event *event;
1598
1599    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_EVENT_CREATE_INFO);
1600
1601    state = anv_state_pool_alloc(&device->dynamic_state_pool,
1602                                 sizeof(*event), 8);
1603    event = state.map;
1604    event->state = state;
1605    event->semaphore = VK_EVENT_RESET;
1606
1607    if (!device->info.has_llc) {
1608       /* Make sure the writes we're flushing have landed. */
1609       __builtin_ia32_mfence();
1610       __builtin_ia32_clflush(event);
1611    }
1612
1613    *pEvent = anv_event_to_handle(event);
1614
1615    return VK_SUCCESS;
1616 }
1617
1618 void anv_DestroyEvent(
1619     VkDevice                                    _device,
1620     VkEvent                                     _event,
1621     const VkAllocationCallbacks*                pAllocator)
1622 {
1623    ANV_FROM_HANDLE(anv_device, device, _device);
1624    ANV_FROM_HANDLE(anv_event, event, _event);
1625
1626    anv_state_pool_free(&device->dynamic_state_pool, event->state);
1627 }
1628
1629 VkResult anv_GetEventStatus(
1630     VkDevice                                    _device,
1631     VkEvent                                     _event)
1632 {
1633    ANV_FROM_HANDLE(anv_device, device, _device);
1634    ANV_FROM_HANDLE(anv_event, event, _event);
1635
1636    if (!device->info.has_llc) {
1637       /* Invalidate read cache before reading event written by GPU. */
1638       __builtin_ia32_clflush(event);
1639       __builtin_ia32_mfence();
1640
1641    }
1642
1643    return event->semaphore;
1644 }
1645
1646 VkResult anv_SetEvent(
1647     VkDevice                                    _device,
1648     VkEvent                                     _event)
1649 {
1650    ANV_FROM_HANDLE(anv_device, device, _device);
1651    ANV_FROM_HANDLE(anv_event, event, _event);
1652
1653    event->semaphore = VK_EVENT_SET;
1654
1655    if (!device->info.has_llc) {
1656       /* Make sure the writes we're flushing have landed. */
1657       __builtin_ia32_mfence();
1658       __builtin_ia32_clflush(event);
1659    }
1660
1661    return VK_SUCCESS;
1662 }
1663
1664 VkResult anv_ResetEvent(
1665     VkDevice                                    _device,
1666     VkEvent                                     _event)
1667 {
1668    ANV_FROM_HANDLE(anv_device, device, _device);
1669    ANV_FROM_HANDLE(anv_event, event, _event);
1670
1671    event->semaphore = VK_EVENT_RESET;
1672
1673    if (!device->info.has_llc) {
1674       /* Make sure the writes we're flushing have landed. */
1675       __builtin_ia32_mfence();
1676       __builtin_ia32_clflush(event);
1677    }
1678
1679    return VK_SUCCESS;
1680 }
1681
1682 // Buffer functions
1683
1684 VkResult anv_CreateBuffer(
1685     VkDevice                                    _device,
1686     const VkBufferCreateInfo*                   pCreateInfo,
1687     const VkAllocationCallbacks*                pAllocator,
1688     VkBuffer*                                   pBuffer)
1689 {
1690    ANV_FROM_HANDLE(anv_device, device, _device);
1691    struct anv_buffer *buffer;
1692
1693    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO);
1694
1695    buffer = anv_alloc2(&device->alloc, pAllocator, sizeof(*buffer), 8,
1696                        VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
1697    if (buffer == NULL)
1698       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
1699
1700    buffer->size = pCreateInfo->size;
1701    buffer->usage = pCreateInfo->usage;
1702    buffer->bo = NULL;
1703    buffer->offset = 0;
1704
1705    *pBuffer = anv_buffer_to_handle(buffer);
1706
1707    return VK_SUCCESS;
1708 }
1709
1710 void anv_DestroyBuffer(
1711     VkDevice                                    _device,
1712     VkBuffer                                    _buffer,
1713     const VkAllocationCallbacks*                pAllocator)
1714 {
1715    ANV_FROM_HANDLE(anv_device, device, _device);
1716    ANV_FROM_HANDLE(anv_buffer, buffer, _buffer);
1717
1718    anv_free2(&device->alloc, pAllocator, buffer);
1719 }
1720
1721 void
1722 anv_fill_buffer_surface_state(struct anv_device *device, struct anv_state state,
1723                               enum isl_format format,
1724                               uint32_t offset, uint32_t range, uint32_t stride)
1725 {
1726    isl_buffer_fill_state(&device->isl_dev, state.map,
1727                          .address = offset,
1728                          .mocs = device->default_mocs,
1729                          .size = range,
1730                          .format = format,
1731                          .stride = stride);
1732
1733    if (!device->info.has_llc)
1734       anv_state_clflush(state);
1735 }
1736
1737 void anv_DestroySampler(
1738     VkDevice                                    _device,
1739     VkSampler                                   _sampler,
1740     const VkAllocationCallbacks*                pAllocator)
1741 {
1742    ANV_FROM_HANDLE(anv_device, device, _device);
1743    ANV_FROM_HANDLE(anv_sampler, sampler, _sampler);
1744
1745    anv_free2(&device->alloc, pAllocator, sampler);
1746 }
1747
1748 VkResult anv_CreateFramebuffer(
1749     VkDevice                                    _device,
1750     const VkFramebufferCreateInfo*              pCreateInfo,
1751     const VkAllocationCallbacks*                pAllocator,
1752     VkFramebuffer*                              pFramebuffer)
1753 {
1754    ANV_FROM_HANDLE(anv_device, device, _device);
1755    struct anv_framebuffer *framebuffer;
1756
1757    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO);
1758
1759    size_t size = sizeof(*framebuffer) +
1760                  sizeof(struct anv_image_view *) * pCreateInfo->attachmentCount;
1761    framebuffer = anv_alloc2(&device->alloc, pAllocator, size, 8,
1762                             VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
1763    if (framebuffer == NULL)
1764       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
1765
1766    framebuffer->attachment_count = pCreateInfo->attachmentCount;
1767    for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++) {
1768       VkImageView _iview = pCreateInfo->pAttachments[i];
1769       framebuffer->attachments[i] = anv_image_view_from_handle(_iview);
1770    }
1771
1772    framebuffer->width = pCreateInfo->width;
1773    framebuffer->height = pCreateInfo->height;
1774    framebuffer->layers = pCreateInfo->layers;
1775
1776    *pFramebuffer = anv_framebuffer_to_handle(framebuffer);
1777
1778    return VK_SUCCESS;
1779 }
1780
1781 void anv_DestroyFramebuffer(
1782     VkDevice                                    _device,
1783     VkFramebuffer                               _fb,
1784     const VkAllocationCallbacks*                pAllocator)
1785 {
1786    ANV_FROM_HANDLE(anv_device, device, _device);
1787    ANV_FROM_HANDLE(anv_framebuffer, fb, _fb);
1788
1789    anv_free2(&device->alloc, pAllocator, fb);
1790 }
1791
1792 void vkCmdDbgMarkerBegin(
1793     VkCommandBuffer                              commandBuffer,
1794     const char*                                 pMarker)
1795    __attribute__ ((visibility ("default")));
1796
1797 void vkCmdDbgMarkerEnd(
1798    VkCommandBuffer                              commandBuffer)
1799    __attribute__ ((visibility ("default")));
1800
1801 void vkCmdDbgMarkerBegin(
1802     VkCommandBuffer                              commandBuffer,
1803     const char*                                 pMarker)
1804 {
1805 }
1806
1807 void vkCmdDbgMarkerEnd(
1808     VkCommandBuffer                              commandBuffer)
1809 {
1810 }