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