src/intel/vulkan/anv_device.c

   1 /*
   2  * Copyright © 2015 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include <assert.h>
  25 #include <stdbool.h>
  26 #include <string.h>
  27 #include <unistd.h>
  28 #include <fcntl.h>
  29
  30 #include "anv_private.h"
  31 #include "mesa/main/git_sha1.h"
  32 #include "util/strtod.h"
  33 #include "util/debug.h"
  34
  35 #include "genxml/gen7_pack.h"
  36
  37 struct anv_dispatch_table dtable;
  38
  39 static void
  40 compiler_debug_log(void *data, const char *fmt, ...)
  41 { }
  42
  43 static void
  44 compiler_perf_log(void *data, const char *fmt, ...)
  45 {
  46    va_list args;
  47    va_start(args, fmt);
  48
  49    if (unlikely(INTEL_DEBUG & DEBUG_PERF))
  50       vfprintf(stderr, fmt, args);
  51
  52    va_end(args);
  53 }
  54
  55 static VkResult
  56 anv_physical_device_init(struct anv_physical_device *device,
  57                          struct anv_instance *instance,
  58                          const char *path)
  59 {
  60    VkResult result;
  61    int fd;
  62
  63    fd = open(path, O_RDWR | O_CLOEXEC);
  64    if (fd < 0)
  65       return vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
  66                        "failed to open %s: %m", path);
  67
  68    device->_loader_data.loaderMagic = ICD_LOADER_MAGIC;
  69    device->instance = instance;
  70    device->path = path;
  71
  72    device->chipset_id = anv_gem_get_param(fd, I915_PARAM_CHIPSET_ID);
  73    if (!device->chipset_id) {
  74       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
  75                          "failed to get chipset id: %m");
  76       goto fail;
  77    }
  78
  79    device->name = brw_get_device_name(device->chipset_id);
  80    device->info = brw_get_device_info(device->chipset_id);
  81    if (!device->info) {
  82       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
  83                          "failed to get device info");
  84       goto fail;
  85    }
  86
  87    if (device->info->is_haswell) {
  88       fprintf(stderr, "WARNING: Haswell Vulkan support is incomplete\n");
  89    } else if (device->info->gen == 7 && !device->info->is_baytrail) {
  90       fprintf(stderr, "WARNING: Ivy Bridge Vulkan support is incomplete\n");
  91    } else if (device->info->gen == 7 && device->info->is_baytrail) {
  92       fprintf(stderr, "WARNING: Bay Trail Vulkan support is incomplete\n");
  93    } else if (device->info->gen >= 8) {
  94       /* Broadwell, Cherryview, Skylake, Broxton, Kabylake is as fully
  95        * supported as anything */
  96    } else {
  97       result = vk_errorf(VK_ERROR_INCOMPATIBLE_DRIVER,
  98                          "Vulkan not yet supported on %s", device->name);
  99       goto fail;
 100    }
 101
 102    if (anv_gem_get_aperture(fd, &device->aperture_size) == -1) {
 103       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
 104                          "failed to get aperture size: %m");
 105       goto fail;
 106    }
 107
 108    if (!anv_gem_get_param(fd, I915_PARAM_HAS_WAIT_TIMEOUT)) {
 109       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
 110                          "kernel missing gem wait");
 111       goto fail;
 112    }
 113
 114    if (!anv_gem_get_param(fd, I915_PARAM_HAS_EXECBUF2)) {
 115       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
 116                          "kernel missing execbuf2");
 117       goto fail;
 118    }
 119
 120    if (!device->info->has_llc &&
 121        anv_gem_get_param(fd, I915_PARAM_MMAP_VERSION) < 1) {
 122       result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
 123                          "kernel missing wc mmap");
 124       goto fail;
 125    }
 126
 127    bool swizzled = anv_gem_get_bit6_swizzle(fd, I915_TILING_X);
 128
 129    close(fd);
 130
 131    brw_process_intel_debug_variable();
 132
 133    device->compiler = brw_compiler_create(NULL, device->info);
 134    if (device->compiler == NULL) {
 135       result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 136       goto fail;
 137    }
 138    device->compiler->shader_debug_log = compiler_debug_log;
 139    device->compiler->shader_perf_log = compiler_perf_log;
 140
 141    /* XXX: Actually detect bit6 swizzling */
 142    isl_device_init(&device->isl_dev, device->info, swizzled);
 143
 144    return VK_SUCCESS;
 145
 146 fail:
 147    close(fd);
 148    return result;
 149 }
 150
 151 static void
 152 anv_physical_device_finish(struct anv_physical_device *device)
 153 {
 154    ralloc_free(device->compiler);
 155 }
 156
 157 static const VkExtensionProperties global_extensions[] = {
 158    {
 159       .extensionName = VK_KHR_SURFACE_EXTENSION_NAME,
 160       .specVersion = 25,
 161    },
 162    {
 163       .extensionName = VK_KHR_XCB_SURFACE_EXTENSION_NAME,
 164       .specVersion = 5,
 165    },
 166 #ifdef HAVE_WAYLAND_PLATFORM
 167    {
 168       .extensionName = VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME,
 169       .specVersion = 4,
 170    },
 171 #endif
 172 };
 173
 174 static const VkExtensionProperties device_extensions[] = {
 175    {
 176       .extensionName = VK_KHR_SWAPCHAIN_EXTENSION_NAME,
 177       .specVersion = 67,
 178    },
 179 };
 180
 181 static void *
 182 default_alloc_func(void *pUserData, size_t size, size_t align,
 183                    VkSystemAllocationScope allocationScope)
 184 {
 185    return malloc(size);
 186 }
 187
 188 static void *
 189 default_realloc_func(void *pUserData, void *pOriginal, size_t size,
 190                      size_t align, VkSystemAllocationScope allocationScope)
 191 {
 192    return realloc(pOriginal, size);
 193 }
 194
 195 static void
 196 default_free_func(void *pUserData, void *pMemory)
 197 {
 198    free(pMemory);
 199 }
 200
 201 static const VkAllocationCallbacks default_alloc = {
 202    .pUserData = NULL,
 203    .pfnAllocation = default_alloc_func,
 204    .pfnReallocation = default_realloc_func,
 205    .pfnFree = default_free_func,
 206 };
 207
 208 VkResult anv_CreateInstance(
 209     const VkInstanceCreateInfo*                 pCreateInfo,
 210     const VkAllocationCallbacks*                pAllocator,
 211     VkInstance*                                 pInstance)
 212 {
 213    struct anv_instance *instance;
 214
 215    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO);
 216
 217    uint32_t client_version;
 218    if (pCreateInfo->pApplicationInfo &&
 219        pCreateInfo->pApplicationInfo->apiVersion != 0) {
 220       client_version = pCreateInfo->pApplicationInfo->apiVersion;
 221    } else {
 222       client_version = VK_MAKE_VERSION(1, 0, 0);
 223    }
 224
 225    if (VK_MAKE_VERSION(1, 0, 0) > client_version ||
 226        client_version > VK_MAKE_VERSION(1, 0, 3)) {
 227       return vk_errorf(VK_ERROR_INCOMPATIBLE_DRIVER,
 228                        "Client requested version %d.%d.%d",
 229                        VK_VERSION_MAJOR(client_version),
 230                        VK_VERSION_MINOR(client_version),
 231                        VK_VERSION_PATCH(client_version));
 232    }
 233
 234    for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
 235       bool found = false;
 236       for (uint32_t j = 0; j < ARRAY_SIZE(global_extensions); j++) {
 237          if (strcmp(pCreateInfo->ppEnabledExtensionNames[i],
 238                     global_extensions[j].extensionName) == 0) {
 239             found = true;
 240             break;
 241          }
 242       }
 243       if (!found)
 244          return vk_error(VK_ERROR_EXTENSION_NOT_PRESENT);
 245    }
 246
 247    instance = anv_alloc2(&default_alloc, pAllocator, sizeof(*instance), 8,
 248                          VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
 249    if (!instance)
 250       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 251
 252    instance->_loader_data.loaderMagic = ICD_LOADER_MAGIC;
 253
 254    if (pAllocator)
 255       instance->alloc = *pAllocator;
 256    else
 257       instance->alloc = default_alloc;
 258
 259    instance->apiVersion = client_version;
 260    instance->physicalDeviceCount = -1;
 261
 262    memset(instance->wsi, 0, sizeof(instance->wsi));
 263
 264    _mesa_locale_init();
 265
 266    VG(VALGRIND_CREATE_MEMPOOL(instance, 0, false));
 267
 268    anv_init_wsi(instance);
 269
 270    *pInstance = anv_instance_to_handle(instance);
 271
 272    return VK_SUCCESS;
 273 }
 274
 275 void anv_DestroyInstance(
 276     VkInstance                                  _instance,
 277     const VkAllocationCallbacks*                pAllocator)
 278 {
 279    ANV_FROM_HANDLE(anv_instance, instance, _instance);
 280
 281    if (instance->physicalDeviceCount > 0) {
 282       /* We support at most one physical device. */
 283       assert(instance->physicalDeviceCount == 1);
 284       anv_physical_device_finish(&instance->physicalDevice);
 285    }
 286
 287    anv_finish_wsi(instance);
 288
 289    VG(VALGRIND_DESTROY_MEMPOOL(instance));
 290
 291    _mesa_locale_fini();
 292
 293    anv_free(&instance->alloc, instance);
 294 }
 295
 296 VkResult anv_EnumeratePhysicalDevices(
 297     VkInstance                                  _instance,
 298     uint32_t*                                   pPhysicalDeviceCount,
 299     VkPhysicalDevice*                           pPhysicalDevices)
 300 {
 301    ANV_FROM_HANDLE(anv_instance, instance, _instance);
 302    VkResult result;
 303
 304    if (instance->physicalDeviceCount < 0) {
 305       result = anv_physical_device_init(&instance->physicalDevice,
 306                                         instance, "/dev/dri/renderD128");
 307       if (result == VK_ERROR_INCOMPATIBLE_DRIVER) {
 308          instance->physicalDeviceCount = 0;
 309       } else if (result == VK_SUCCESS) {
 310          instance->physicalDeviceCount = 1;
 311       } else {
 312          return result;
 313       }
 314    }
 315
 316    /* pPhysicalDeviceCount is an out parameter if pPhysicalDevices is NULL;
 317     * otherwise it's an inout parameter.
 318     *
 319     * The Vulkan spec (git aaed022) says:
 320     *
 321     *    pPhysicalDeviceCount is a pointer to an unsigned integer variable
 322     *    that is initialized with the number of devices the application is
 323     *    prepared to receive handles to. pname:pPhysicalDevices is pointer to
 324     *    an array of at least this many VkPhysicalDevice handles [...].
 325     *
 326     *    Upon success, if pPhysicalDevices is NULL, vkEnumeratePhysicalDevices
 327     *    overwrites the contents of the variable pointed to by
 328     *    pPhysicalDeviceCount with the number of physical devices in in the
 329     *    instance; otherwise, vkEnumeratePhysicalDevices overwrites
 330     *    pPhysicalDeviceCount with the number of physical handles written to
 331     *    pPhysicalDevices.
 332     */
 333    if (!pPhysicalDevices) {
 334       *pPhysicalDeviceCount = instance->physicalDeviceCount;
 335    } else if (*pPhysicalDeviceCount >= 1) {
 336       pPhysicalDevices[0] = anv_physical_device_to_handle(&instance->physicalDevice);
 337       *pPhysicalDeviceCount = 1;
 338    } else {
 339       *pPhysicalDeviceCount = 0;
 340    }
 341
 342    return VK_SUCCESS;
 343 }
 344
 345 void anv_GetPhysicalDeviceFeatures(
 346     VkPhysicalDevice                            physicalDevice,
 347     VkPhysicalDeviceFeatures*                   pFeatures)
 348 {
 349    ANV_FROM_HANDLE(anv_physical_device, pdevice, physicalDevice);
 350
 351    *pFeatures = (VkPhysicalDeviceFeatures) {
 352       .robustBufferAccess                       = true,
 353       .fullDrawIndexUint32                      = true,
 354       .imageCubeArray                           = false,
 355       .independentBlend                         = pdevice->info->gen >= 8,
 356       .geometryShader                           = true,
 357       .tessellationShader                       = false,
 358       .sampleRateShading                        = false,
 359       .dualSrcBlend                             = true,
 360       .logicOp                                  = true,
 361       .multiDrawIndirect                        = false,
 362       .drawIndirectFirstInstance                = false,
 363       .depthClamp                               = false,
 364       .depthBiasClamp                           = false,
 365       .fillModeNonSolid                         = true,
 366       .depthBounds                              = false,
 367       .wideLines                                = true,
 368       .largePoints                              = true,
 369       .alphaToOne                               = true,
 370       .multiViewport                            = true,
 371       .samplerAnisotropy                        = false, /* FINISHME */
 372       .textureCompressionETC2                   = true,
 373       .textureCompressionASTC_LDR               = true,
 374       .textureCompressionBC                     = true,
 375       .occlusionQueryPrecise                    = true,
 376       .pipelineStatisticsQuery                  = false,
 377       .vertexPipelineStoresAndAtomics           = pdevice->info->gen >= 8,
 378       .fragmentStoresAndAtomics                 = true,
 379       .shaderTessellationAndGeometryPointSize   = true,
 380       .shaderImageGatherExtended                = true,
 381       .shaderStorageImageExtendedFormats        = false,
 382       .shaderStorageImageMultisample            = false,
 383       .shaderUniformBufferArrayDynamicIndexing  = true,
 384       .shaderSampledImageArrayDynamicIndexing   = true,
 385       .shaderStorageBufferArrayDynamicIndexing  = true,
 386       .shaderStorageImageArrayDynamicIndexing   = true,
 387       .shaderStorageImageReadWithoutFormat      = false,
 388       .shaderStorageImageWriteWithoutFormat     = true,
 389       .shaderClipDistance                       = false,
 390       .shaderCullDistance                       = false,
 391       .shaderFloat64                            = false,
 392       .shaderInt64                              = false,
 393       .shaderInt16                              = false,
 394       .alphaToOne                               = true,
 395       .variableMultisampleRate                  = false,
 396       .inheritedQueries                         = false,
 397    };
 398 }
 399
 400 void
 401 anv_device_get_cache_uuid(void *uuid)
 402 {
 403    memset(uuid, 0, VK_UUID_SIZE);
 404    snprintf(uuid, VK_UUID_SIZE, "anv-%s", MESA_GIT_SHA1 + 4);
 405 }
 406
 407 void anv_GetPhysicalDeviceProperties(
 408     VkPhysicalDevice                            physicalDevice,
 409     VkPhysicalDeviceProperties*                 pProperties)
 410 {
 411    ANV_FROM_HANDLE(anv_physical_device, pdevice, physicalDevice);
 412    const struct brw_device_info *devinfo = pdevice->info;
 413
 414    anv_finishme("Get correct values for VkPhysicalDeviceLimits");
 415
 416    const float time_stamp_base = devinfo->gen >= 9 ? 83.333 : 80.0;
 417
 418    VkSampleCountFlags sample_counts =
 419       isl_device_get_sample_counts(&pdevice->isl_dev);
 420
 421    VkPhysicalDeviceLimits limits = {
 422       .maxImageDimension1D                      = (1 << 14),
 423       .maxImageDimension2D                      = (1 << 14),
 424       .maxImageDimension3D                      = (1 << 11),
 425       .maxImageDimensionCube                    = (1 << 14),
 426       .maxImageArrayLayers                      = (1 << 11),
 427       .maxTexelBufferElements                   = 128 * 1024 * 1024,
 428       .maxUniformBufferRange                    = UINT32_MAX,
 429       .maxStorageBufferRange                    = UINT32_MAX,
 430       .maxPushConstantsSize                     = MAX_PUSH_CONSTANTS_SIZE,
 431       .maxMemoryAllocationCount                 = UINT32_MAX,
 432       .maxSamplerAllocationCount                = 64 * 1024,
 433       .bufferImageGranularity                   = 64, /* A cache line */
 434       .sparseAddressSpaceSize                   = 0,
 435       .maxBoundDescriptorSets                   = MAX_SETS,
 436       .maxPerStageDescriptorSamplers            = 64,
 437       .maxPerStageDescriptorUniformBuffers      = 64,
 438       .maxPerStageDescriptorStorageBuffers      = 64,
 439       .maxPerStageDescriptorSampledImages       = 64,
 440       .maxPerStageDescriptorStorageImages       = 64,
 441       .maxPerStageDescriptorInputAttachments    = 64,
 442       .maxPerStageResources                     = 128,
 443       .maxDescriptorSetSamplers                 = 256,
 444       .maxDescriptorSetUniformBuffers           = 256,
 445       .maxDescriptorSetUniformBuffersDynamic    = 256,
 446       .maxDescriptorSetStorageBuffers           = 256,
 447       .maxDescriptorSetStorageBuffersDynamic    = 256,
 448       .maxDescriptorSetSampledImages            = 256,
 449       .maxDescriptorSetStorageImages            = 256,
 450       .maxDescriptorSetInputAttachments         = 256,
 451       .maxVertexInputAttributes                 = 32,
 452       .maxVertexInputBindings                   = 32,
 453       .maxVertexInputAttributeOffset            = 2047,
 454       .maxVertexInputBindingStride              = 2048,
 455       .maxVertexOutputComponents                = 128,
 456       .maxTessellationGenerationLevel           = 0,
 457       .maxTessellationPatchSize                 = 0,
 458       .maxTessellationControlPerVertexInputComponents = 0,
 459       .maxTessellationControlPerVertexOutputComponents = 0,
 460       .maxTessellationControlPerPatchOutputComponents = 0,
 461       .maxTessellationControlTotalOutputComponents = 0,
 462       .maxTessellationEvaluationInputComponents = 0,
 463       .maxTessellationEvaluationOutputComponents = 0,
 464       .maxGeometryShaderInvocations             = 32,
 465       .maxGeometryInputComponents               = 64,
 466       .maxGeometryOutputComponents              = 128,
 467       .maxGeometryOutputVertices                = 256,
 468       .maxGeometryTotalOutputComponents         = 1024,
 469       .maxFragmentInputComponents               = 128,
 470       .maxFragmentOutputAttachments             = 8,
 471       .maxFragmentDualSrcAttachments            = 2,
 472       .maxFragmentCombinedOutputResources       = 8,
 473       .maxComputeSharedMemorySize               = 32768,
 474       .maxComputeWorkGroupCount                 = { 65535, 65535, 65535 },
 475       .maxComputeWorkGroupInvocations           = 16 * devinfo->max_cs_threads,
 476       .maxComputeWorkGroupSize = {
 477          16 * devinfo->max_cs_threads,
 478          16 * devinfo->max_cs_threads,
 479          16 * devinfo->max_cs_threads,
 480       },
 481       .subPixelPrecisionBits                    = 4 /* FIXME */,
 482       .subTexelPrecisionBits                    = 4 /* FIXME */,
 483       .mipmapPrecisionBits                      = 4 /* FIXME */,
 484       .maxDrawIndexedIndexValue                 = UINT32_MAX,
 485       .maxDrawIndirectCount                     = UINT32_MAX,
 486       .maxSamplerLodBias                        = 16,
 487       .maxSamplerAnisotropy                     = 16,
 488       .maxViewports                             = MAX_VIEWPORTS,
 489       .maxViewportDimensions                    = { (1 << 14), (1 << 14) },
 490       .viewportBoundsRange                      = { -16384.0, 16384.0 },
 491       .viewportSubPixelBits                     = 13, /* We take a float? */
 492       .minMemoryMapAlignment                    = 4096, /* A page */
 493       .minTexelBufferOffsetAlignment            = 1,
 494       .minUniformBufferOffsetAlignment          = 1,
 495       .minStorageBufferOffsetAlignment          = 1,
 496       .minTexelOffset                           = -8,
 497       .maxTexelOffset                           = 7,
 498       .minTexelGatherOffset                     = -8,
 499       .maxTexelGatherOffset                     = 7,
 500       .minInterpolationOffset                   = 0, /* FIXME */
 501       .maxInterpolationOffset                   = 0, /* FIXME */
 502       .subPixelInterpolationOffsetBits          = 0, /* FIXME */
 503       .maxFramebufferWidth                      = (1 << 14),
 504       .maxFramebufferHeight                     = (1 << 14),
 505       .maxFramebufferLayers                     = (1 << 10),
 506       .framebufferColorSampleCounts             = sample_counts,
 507       .framebufferDepthSampleCounts             = sample_counts,
 508       .framebufferStencilSampleCounts           = sample_counts,
 509       .framebufferNoAttachmentsSampleCounts     = sample_counts,
 510       .maxColorAttachments                      = MAX_RTS,
 511       .sampledImageColorSampleCounts            = sample_counts,
 512       .sampledImageIntegerSampleCounts          = VK_SAMPLE_COUNT_1_BIT,
 513       .sampledImageDepthSampleCounts            = sample_counts,
 514       .sampledImageStencilSampleCounts          = sample_counts,
 515       .storageImageSampleCounts                 = VK_SAMPLE_COUNT_1_BIT,
 516       .maxSampleMaskWords                       = 1,
 517       .timestampComputeAndGraphics              = false,
 518       .timestampPeriod                          = time_stamp_base / (1000 * 1000 * 1000),
 519       .maxClipDistances                         = 0 /* FIXME */,
 520       .maxCullDistances                         = 0 /* FIXME */,
 521       .maxCombinedClipAndCullDistances          = 0 /* FIXME */,
 522       .discreteQueuePriorities                  = 1,
 523       .pointSizeRange                           = { 0.125, 255.875 },
 524       .lineWidthRange                           = { 0.0, 7.9921875 },
 525       .pointSizeGranularity                     = (1.0 / 8.0),
 526       .lineWidthGranularity                     = (1.0 / 128.0),
 527       .strictLines                              = false, /* FINISHME */
 528       .standardSampleLocations                  = true,
 529       .optimalBufferCopyOffsetAlignment         = 128,
 530       .optimalBufferCopyRowPitchAlignment       = 128,
 531       .nonCoherentAtomSize                      = 64,
 532    };
 533
 534    *pProperties = (VkPhysicalDeviceProperties) {
 535       .apiVersion = VK_MAKE_VERSION(1, 0, 2),
 536       .driverVersion = 1,
 537       .vendorID = 0x8086,
 538       .deviceID = pdevice->chipset_id,
 539       .deviceType = VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU,
 540       .limits = limits,
 541       .sparseProperties = {0}, /* Broadwell doesn't do sparse. */
 542    };
 543
 544    strcpy(pProperties->deviceName, pdevice->name);
 545    anv_device_get_cache_uuid(pProperties->pipelineCacheUUID);
 546 }
 547
 548 void anv_GetPhysicalDeviceQueueFamilyProperties(
 549     VkPhysicalDevice                            physicalDevice,
 550     uint32_t*                                   pCount,
 551     VkQueueFamilyProperties*                    pQueueFamilyProperties)
 552 {
 553    if (pQueueFamilyProperties == NULL) {
 554       *pCount = 1;
 555       return;
 556    }
 557
 558    assert(*pCount >= 1);
 559
 560    *pQueueFamilyProperties = (VkQueueFamilyProperties) {
 561       .queueFlags = VK_QUEUE_GRAPHICS_BIT |
 562                     VK_QUEUE_COMPUTE_BIT |
 563                     VK_QUEUE_TRANSFER_BIT,
 564       .queueCount = 1,
 565       .timestampValidBits = 36, /* XXX: Real value here */
 566       .minImageTransferGranularity = (VkExtent3D) { 1, 1, 1 },
 567    };
 568 }
 569
 570 void anv_GetPhysicalDeviceMemoryProperties(
 571     VkPhysicalDevice                            physicalDevice,
 572     VkPhysicalDeviceMemoryProperties*           pMemoryProperties)
 573 {
 574    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 575    VkDeviceSize heap_size;
 576
 577    /* Reserve some wiggle room for the driver by exposing only 75% of the
 578     * aperture to the heap.
 579     */
 580    heap_size = 3 * physical_device->aperture_size / 4;
 581
 582    if (physical_device->info->has_llc) {
 583       /* Big core GPUs share LLC with the CPU and thus one memory type can be
 584        * both cached and coherent at the same time.
 585        */
 586       pMemoryProperties->memoryTypeCount = 1;
 587       pMemoryProperties->memoryTypes[0] = (VkMemoryType) {
 588          .propertyFlags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT |
 589                           VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
 590                           VK_MEMORY_PROPERTY_HOST_COHERENT_BIT |
 591                           VK_MEMORY_PROPERTY_HOST_CACHED_BIT,
 592          .heapIndex = 0,
 593       };
 594    } else {
 595       /* The spec requires that we expose a host-visible, coherent memory
 596        * type, but Atom GPUs don't share LLC. Thus we offer two memory types
 597        * to give the application a choice between cached, but not coherent and
 598        * coherent but uncached (WC though).
 599        */
 600       pMemoryProperties->memoryTypeCount = 2;
 601       pMemoryProperties->memoryTypes[0] = (VkMemoryType) {
 602          .propertyFlags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT |
 603                           VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
 604                           VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
 605          .heapIndex = 0,
 606       };
 607       pMemoryProperties->memoryTypes[1] = (VkMemoryType) {
 608          .propertyFlags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT |
 609                           VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
 610                           VK_MEMORY_PROPERTY_HOST_CACHED_BIT,
 611          .heapIndex = 0,
 612       };
 613    }
 614
 615    pMemoryProperties->memoryHeapCount = 1;
 616    pMemoryProperties->memoryHeaps[0] = (VkMemoryHeap) {
 617       .size = heap_size,
 618       .flags = VK_MEMORY_HEAP_DEVICE_LOCAL_BIT,
 619    };
 620 }
 621
 622 PFN_vkVoidFunction anv_GetInstanceProcAddr(
 623     VkInstance                                  instance,
 624     const char*                                 pName)
 625 {
 626    return anv_lookup_entrypoint(pName);
 627 }
 628
 629 /* The loader wants us to expose a second GetInstanceProcAddr function
 630  * to work around certain LD_PRELOAD issues seen in apps.
 631  */
 632 VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vk_icdGetInstanceProcAddr(
 633     VkInstance                                  instance,
 634     const char*                                 pName);
 635
 636 VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vk_icdGetInstanceProcAddr(
 637     VkInstance                                  instance,
 638     const char*                                 pName)
 639 {
 640    return anv_GetInstanceProcAddr(instance, pName);
 641 }
 642
 643 PFN_vkVoidFunction anv_GetDeviceProcAddr(
 644     VkDevice                                    device,
 645     const char*                                 pName)
 646 {
 647    return anv_lookup_entrypoint(pName);
 648 }
 649
 650 static VkResult
 651 anv_queue_init(struct anv_device *device, struct anv_queue *queue)
 652 {
 653    queue->_loader_data.loaderMagic = ICD_LOADER_MAGIC;
 654    queue->device = device;
 655    queue->pool = &device->surface_state_pool;
 656
 657    return VK_SUCCESS;
 658 }
 659
 660 static void
 661 anv_queue_finish(struct anv_queue *queue)
 662 {
 663 }
 664
 665 static struct anv_state
 666 anv_state_pool_emit_data(struct anv_state_pool *pool, size_t size, size_t align, const void *p)
 667 {
 668    struct anv_state state;
 669
 670    state = anv_state_pool_alloc(pool, size, align);
 671    memcpy(state.map, p, size);
 672
 673    if (!pool->block_pool->device->info.has_llc)
 674       anv_state_clflush(state);
 675
 676    return state;
 677 }
 678
 679 struct gen8_border_color {
 680    union {
 681       float float32[4];
 682       uint32_t uint32[4];
 683    };
 684    /* Pad out to 64 bytes */
 685    uint32_t _pad[12];
 686 };
 687
 688 static void
 689 anv_device_init_border_colors(struct anv_device *device)
 690 {
 691    static const struct gen8_border_color border_colors[] = {
 692       [VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK] =  { .float32 = { 0.0, 0.0, 0.0, 0.0 } },
 693       [VK_BORDER_COLOR_FLOAT_OPAQUE_BLACK] =       { .float32 = { 0.0, 0.0, 0.0, 1.0 } },
 694       [VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE] =       { .float32 = { 1.0, 1.0, 1.0, 1.0 } },
 695       [VK_BORDER_COLOR_INT_TRANSPARENT_BLACK] =    { .uint32 = { 0, 0, 0, 0 } },
 696       [VK_BORDER_COLOR_INT_OPAQUE_BLACK] =         { .uint32 = { 0, 0, 0, 1 } },
 697       [VK_BORDER_COLOR_INT_OPAQUE_WHITE] =         { .uint32 = { 1, 1, 1, 1 } },
 698    };
 699
 700    device->border_colors = anv_state_pool_emit_data(&device->dynamic_state_pool,
 701                                                     sizeof(border_colors), 64,
 702                                                     border_colors);
 703 }
 704
 705 VkResult
 706 anv_device_submit_simple_batch(struct anv_device *device,
 707                                struct anv_batch *batch)
 708 {
 709    struct drm_i915_gem_execbuffer2 execbuf;
 710    struct drm_i915_gem_exec_object2 exec2_objects[1];
 711    struct anv_bo bo;
 712    VkResult result = VK_SUCCESS;
 713    uint32_t size;
 714    int64_t timeout;
 715    int ret;
 716
 717    /* Kernel driver requires 8 byte aligned batch length */
 718    size = align_u32(batch->next - batch->start, 8);
 719    assert(size < device->batch_bo_pool.bo_size);
 720    result = anv_bo_pool_alloc(&device->batch_bo_pool, &bo);
 721    if (result != VK_SUCCESS)
 722       return result;
 723
 724    memcpy(bo.map, batch->start, size);
 725    if (!device->info.has_llc)
 726       anv_clflush_range(bo.map, size);
 727
 728    exec2_objects[0].handle = bo.gem_handle;
 729    exec2_objects[0].relocation_count = 0;
 730    exec2_objects[0].relocs_ptr = 0;
 731    exec2_objects[0].alignment = 0;
 732    exec2_objects[0].offset = bo.offset;
 733    exec2_objects[0].flags = 0;
 734    exec2_objects[0].rsvd1 = 0;
 735    exec2_objects[0].rsvd2 = 0;
 736
 737    execbuf.buffers_ptr = (uintptr_t) exec2_objects;
 738    execbuf.buffer_count = 1;
 739    execbuf.batch_start_offset = 0;
 740    execbuf.batch_len = size;
 741    execbuf.cliprects_ptr = 0;
 742    execbuf.num_cliprects = 0;
 743    execbuf.DR1 = 0;
 744    execbuf.DR4 = 0;
 745
 746    execbuf.flags =
 747       I915_EXEC_HANDLE_LUT | I915_EXEC_NO_RELOC | I915_EXEC_RENDER;
 748    execbuf.rsvd1 = device->context_id;
 749    execbuf.rsvd2 = 0;
 750
 751    ret = anv_gem_execbuffer(device, &execbuf);
 752    if (ret != 0) {
 753       /* We don't know the real error. */
 754       result = vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY, "execbuf2 failed: %m");
 755       goto fail;
 756    }
 757
 758    timeout = INT64_MAX;
 759    ret = anv_gem_wait(device, bo.gem_handle, &timeout);
 760    if (ret != 0) {
 761       /* We don't know the real error. */
 762       result = vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY, "execbuf2 failed: %m");
 763       goto fail;
 764    }
 765
 766  fail:
 767    anv_bo_pool_free(&device->batch_bo_pool, &bo);
 768
 769    return result;
 770 }
 771
 772 VkResult anv_CreateDevice(
 773     VkPhysicalDevice                            physicalDevice,
 774     const VkDeviceCreateInfo*                   pCreateInfo,
 775     const VkAllocationCallbacks*                pAllocator,
 776     VkDevice*                                   pDevice)
 777 {
 778    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 779    VkResult result;
 780    struct anv_device *device;
 781
 782    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO);
 783
 784    for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
 785       bool found = false;
 786       for (uint32_t j = 0; j < ARRAY_SIZE(device_extensions); j++) {
 787          if (strcmp(pCreateInfo->ppEnabledExtensionNames[i],
 788                     device_extensions[j].extensionName) == 0) {
 789             found = true;
 790             break;
 791          }
 792       }
 793       if (!found)
 794          return vk_error(VK_ERROR_EXTENSION_NOT_PRESENT);
 795    }
 796
 797    anv_set_dispatch_devinfo(physical_device->info);
 798
 799    device = anv_alloc2(&physical_device->instance->alloc, pAllocator,
 800                        sizeof(*device), 8,
 801                        VK_SYSTEM_ALLOCATION_SCOPE_DEVICE);
 802    if (!device)
 803       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 804
 805    device->_loader_data.loaderMagic = ICD_LOADER_MAGIC;
 806    device->instance = physical_device->instance;
 807    device->chipset_id = physical_device->chipset_id;
 808
 809    if (pAllocator)
 810       device->alloc = *pAllocator;
 811    else
 812       device->alloc = physical_device->instance->alloc;
 813
 814    /* XXX(chadv): Can we dup() physicalDevice->fd here? */
 815    device->fd = open(physical_device->path, O_RDWR | O_CLOEXEC);
 816    if (device->fd == -1) {
 817       result = vk_error(VK_ERROR_INITIALIZATION_FAILED);
 818       goto fail_device;
 819    }
 820
 821    device->context_id = anv_gem_create_context(device);
 822    if (device->context_id == -1) {
 823       result = vk_error(VK_ERROR_INITIALIZATION_FAILED);
 824       goto fail_fd;
 825    }
 826
 827    device->info = *physical_device->info;
 828    device->isl_dev = physical_device->isl_dev;
 829
 830    pthread_mutex_init(&device->mutex, NULL);
 831
 832    anv_bo_pool_init(&device->batch_bo_pool, device, ANV_CMD_BUFFER_BATCH_SIZE);
 833
 834    anv_block_pool_init(&device->dynamic_state_block_pool, device, 16384);
 835
 836    anv_state_pool_init(&device->dynamic_state_pool,
 837                        &device->dynamic_state_block_pool);
 838
 839    anv_block_pool_init(&device->instruction_block_pool, device, 128 * 1024);
 840    anv_pipeline_cache_init(&device->default_pipeline_cache, device);
 841
 842    anv_block_pool_init(&device->surface_state_block_pool, device, 4096);
 843
 844    anv_state_pool_init(&device->surface_state_pool,
 845                        &device->surface_state_block_pool);
 846
 847    anv_bo_init_new(&device->workaround_bo, device, 1024);
 848
 849    anv_block_pool_init(&device->scratch_block_pool, device, 0x10000);
 850
 851    anv_queue_init(device, &device->queue);
 852
 853    switch (device->info.gen) {
 854    case 7:
 855       if (!device->info.is_haswell)
 856          result = gen7_init_device_state(device);
 857       else
 858          result = gen75_init_device_state(device);
 859       break;
 860    case 8:
 861       result = gen8_init_device_state(device);
 862       break;
 863    case 9:
 864       result = gen9_init_device_state(device);
 865       break;
 866    default:
 867       /* Shouldn't get here as we don't create physical devices for any other
 868        * gens. */
 869       unreachable("unhandled gen");
 870    }
 871    if (result != VK_SUCCESS)
 872       goto fail_fd;
 873
 874    result = anv_device_init_meta(device);
 875    if (result != VK_SUCCESS)
 876       goto fail_fd;
 877
 878    anv_device_init_border_colors(device);
 879
 880    *pDevice = anv_device_to_handle(device);
 881
 882    return VK_SUCCESS;
 883
 884  fail_fd:
 885    close(device->fd);
 886  fail_device:
 887    anv_free(&device->alloc, device);
 888
 889    return result;
 890 }
 891
 892 void anv_DestroyDevice(
 893     VkDevice                                    _device,
 894     const VkAllocationCallbacks*                pAllocator)
 895 {
 896    ANV_FROM_HANDLE(anv_device, device, _device);
 897
 898    anv_queue_finish(&device->queue);
 899
 900    anv_device_finish_meta(device);
 901
 902 #ifdef HAVE_VALGRIND
 903    /* We only need to free these to prevent valgrind errors.  The backing
 904     * BO will go away in a couple of lines so we don't actually leak.
 905     */
 906    anv_state_pool_free(&device->dynamic_state_pool, device->border_colors);
 907 #endif
 908
 909    anv_gem_munmap(device->workaround_bo.map, device->workaround_bo.size);
 910    anv_gem_close(device, device->workaround_bo.gem_handle);
 911
 912    anv_bo_pool_finish(&device->batch_bo_pool);
 913    anv_state_pool_finish(&device->dynamic_state_pool);
 914    anv_block_pool_finish(&device->dynamic_state_block_pool);
 915    anv_block_pool_finish(&device->instruction_block_pool);
 916    anv_state_pool_finish(&device->surface_state_pool);
 917    anv_block_pool_finish(&device->surface_state_block_pool);
 918    anv_block_pool_finish(&device->scratch_block_pool);
 919
 920    close(device->fd);
 921
 922    pthread_mutex_destroy(&device->mutex);
 923
 924    anv_free(&device->alloc, device);
 925 }
 926
 927 VkResult anv_EnumerateInstanceExtensionProperties(
 928     const char*                                 pLayerName,
 929     uint32_t*                                   pPropertyCount,
 930     VkExtensionProperties*                      pProperties)
 931 {
 932    if (pProperties == NULL) {
 933       *pPropertyCount = ARRAY_SIZE(global_extensions);
 934       return VK_SUCCESS;
 935    }
 936
 937    assert(*pPropertyCount >= ARRAY_SIZE(global_extensions));
 938
 939    *pPropertyCount = ARRAY_SIZE(global_extensions);
 940    memcpy(pProperties, global_extensions, sizeof(global_extensions));
 941
 942    return VK_SUCCESS;
 943 }
 944
 945 VkResult anv_EnumerateDeviceExtensionProperties(
 946     VkPhysicalDevice                            physicalDevice,
 947     const char*                                 pLayerName,
 948     uint32_t*                                   pPropertyCount,
 949     VkExtensionProperties*                      pProperties)
 950 {
 951    if (pProperties == NULL) {
 952       *pPropertyCount = ARRAY_SIZE(device_extensions);
 953       return VK_SUCCESS;
 954    }
 955
 956    assert(*pPropertyCount >= ARRAY_SIZE(device_extensions));
 957
 958    *pPropertyCount = ARRAY_SIZE(device_extensions);
 959    memcpy(pProperties, device_extensions, sizeof(device_extensions));
 960
 961    return VK_SUCCESS;
 962 }
 963
 964 VkResult anv_EnumerateInstanceLayerProperties(
 965     uint32_t*                                   pPropertyCount,
 966     VkLayerProperties*                          pProperties)
 967 {
 968    if (pProperties == NULL) {
 969       *pPropertyCount = 0;
 970       return VK_SUCCESS;
 971    }
 972
 973    /* None supported at this time */
 974    return vk_error(VK_ERROR_LAYER_NOT_PRESENT);
 975 }
 976
 977 VkResult anv_EnumerateDeviceLayerProperties(
 978     VkPhysicalDevice                            physicalDevice,
 979     uint32_t*                                   pPropertyCount,
 980     VkLayerProperties*                          pProperties)
 981 {
 982    if (pProperties == NULL) {
 983       *pPropertyCount = 0;
 984       return VK_SUCCESS;
 985    }
 986
 987    /* None supported at this time */
 988    return vk_error(VK_ERROR_LAYER_NOT_PRESENT);
 989 }
 990
 991 void anv_GetDeviceQueue(
 992     VkDevice                                    _device,
 993     uint32_t                                    queueNodeIndex,
 994     uint32_t                                    queueIndex,
 995     VkQueue*                                    pQueue)
 996 {
 997    ANV_FROM_HANDLE(anv_device, device, _device);
 998
 999    assert(queueIndex == 0);
1000
1001    *pQueue = anv_queue_to_handle(&device->queue);
1002 }
1003
1004 VkResult anv_QueueSubmit(
1005     VkQueue                                     _queue,
1006     uint32_t                                    submitCount,
1007     const VkSubmitInfo*                         pSubmits,
1008     VkFence                                     _fence)
1009 {
1010    ANV_FROM_HANDLE(anv_queue, queue, _queue);
1011    ANV_FROM_HANDLE(anv_fence, fence, _fence);
1012    struct anv_device *device = queue->device;
1013    int ret;
1014
1015    for (uint32_t i = 0; i < submitCount; i++) {
1016       for (uint32_t j = 0; j < pSubmits[i].commandBufferCount; j++) {
1017          ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer,
1018                          pSubmits[i].pCommandBuffers[j]);
1019          assert(cmd_buffer->level == VK_COMMAND_BUFFER_LEVEL_PRIMARY);
1020
1021          ret = anv_gem_execbuffer(device, &cmd_buffer->execbuf2.execbuf);
1022          if (ret != 0) {
1023             /* We don't know the real error. */
1024             return vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY,
1025                              "execbuf2 failed: %m");
1026          }
1027
1028          for (uint32_t k = 0; k < cmd_buffer->execbuf2.bo_count; k++)
1029             cmd_buffer->execbuf2.bos[k]->offset = cmd_buffer->execbuf2.objects[k].offset;
1030       }
1031    }
1032
1033    if (fence) {
1034       ret = anv_gem_execbuffer(device, &fence->execbuf);
1035       if (ret != 0) {
1036          /* We don't know the real error. */
1037          return vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY,
1038                           "execbuf2 failed: %m");
1039       }
1040    }
1041
1042    return VK_SUCCESS;
1043 }
1044
1045 VkResult anv_QueueWaitIdle(
1046     VkQueue                                     _queue)
1047 {
1048    ANV_FROM_HANDLE(anv_queue, queue, _queue);
1049
1050    return ANV_CALL(DeviceWaitIdle)(anv_device_to_handle(queue->device));
1051 }
1052
1053 VkResult anv_DeviceWaitIdle(
1054     VkDevice                                    _device)
1055 {
1056    ANV_FROM_HANDLE(anv_device, device, _device);
1057    struct anv_batch batch;
1058
1059    uint32_t cmds[8];
1060    batch.start = batch.next = cmds;
1061    batch.end = (void *) cmds + sizeof(cmds);
1062
1063    anv_batch_emit(&batch, GEN7_MI_BATCH_BUFFER_END);
1064    anv_batch_emit(&batch, GEN7_MI_NOOP);
1065
1066    return anv_device_submit_simple_batch(device, &batch);
1067 }
1068
1069 VkResult
1070 anv_bo_init_new(struct anv_bo *bo, struct anv_device *device, uint64_t size)
1071 {
1072    bo->gem_handle = anv_gem_create(device, size);
1073    if (!bo->gem_handle)
1074       return vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
1075
1076    bo->map = NULL;
1077    bo->index = 0;
1078    bo->offset = 0;
1079    bo->size = size;
1080    bo->is_winsys_bo = false;
1081
1082    return VK_SUCCESS;
1083 }
1084
1085 VkResult anv_AllocateMemory(
1086     VkDevice                                    _device,
1087     const VkMemoryAllocateInfo*                 pAllocateInfo,
1088     const VkAllocationCallbacks*                pAllocator,
1089     VkDeviceMemory*                             pMem)
1090 {
1091    ANV_FROM_HANDLE(anv_device, device, _device);
1092    struct anv_device_memory *mem;
1093    VkResult result;
1094
1095    assert(pAllocateInfo->sType == VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO);
1096
1097    if (pAllocateInfo->allocationSize == 0) {
1098       /* Apparently, this is allowed */
1099       *pMem = VK_NULL_HANDLE;
1100       return VK_SUCCESS;
1101    }
1102
1103    /* We support exactly one memory heap. */
1104    assert(pAllocateInfo->memoryTypeIndex == 0 ||
1105           (!device->info.has_llc && pAllocateInfo->memoryTypeIndex < 2));
1106
1107    /* FINISHME: Fail if allocation request exceeds heap size. */
1108
1109    mem = anv_alloc2(&device->alloc, pAllocator, sizeof(*mem), 8,
1110                     VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
1111    if (mem == NULL)
1112       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
1113
1114    /* The kernel is going to give us whole pages anyway */
1115    uint64_t alloc_size = align_u64(pAllocateInfo->allocationSize, 4096);
1116
1117    result = anv_bo_init_new(&mem->bo, device, alloc_size);
1118    if (result != VK_SUCCESS)
1119       goto fail;
1120
1121    mem->type_index = pAllocateInfo->memoryTypeIndex;
1122
1123    *pMem = anv_device_memory_to_handle(mem);
1124
1125    return VK_SUCCESS;
1126
1127  fail:
1128    anv_free2(&device->alloc, pAllocator, mem);
1129
1130    return result;
1131 }
1132
1133 void anv_FreeMemory(
1134     VkDevice                                    _device,
1135     VkDeviceMemory                              _mem,
1136     const VkAllocationCallbacks*                pAllocator)
1137 {
1138    ANV_FROM_HANDLE(anv_device, device, _device);
1139    ANV_FROM_HANDLE(anv_device_memory, mem, _mem);
1140
1141    if (mem == NULL)
1142       return;
1143
1144    if (mem->bo.map)
1145       anv_gem_munmap(mem->bo.map, mem->bo.size);
1146
1147    if (mem->bo.gem_handle != 0)
1148       anv_gem_close(device, mem->bo.gem_handle);
1149
1150    anv_free2(&device->alloc, pAllocator, mem);
1151 }
1152
1153 VkResult anv_MapMemory(
1154     VkDevice                                    _device,
1155     VkDeviceMemory                              _memory,
1156     VkDeviceSize                                offset,
1157     VkDeviceSize                                size,
1158     VkMemoryMapFlags                            flags,
1159     void**                                      ppData)
1160 {
1161    ANV_FROM_HANDLE(anv_device, device, _device);
1162    ANV_FROM_HANDLE(anv_device_memory, mem, _memory);
1163
1164    if (mem == NULL) {
1165       *ppData = NULL;
1166       return VK_SUCCESS;
1167    }
1168
1169    if (size == VK_WHOLE_SIZE)
1170       size = mem->bo.size - offset;
1171
1172    /* FIXME: Is this supposed to be thread safe? Since vkUnmapMemory() only
1173     * takes a VkDeviceMemory pointer, it seems like only one map of the memory
1174     * at a time is valid. We could just mmap up front and return an offset
1175     * pointer here, but that may exhaust virtual memory on 32 bit
1176     * userspace. */
1177
1178    uint32_t gem_flags = 0;
1179    if (!device->info.has_llc && mem->type_index == 0)
1180       gem_flags |= I915_MMAP_WC;
1181
1182    /* GEM will fail to map if the offset isn't 4k-aligned.  Round down. */
1183    uint64_t map_offset = offset & ~4095ull;
1184    assert(offset >= map_offset);
1185    uint64_t map_size = (offset + size) - map_offset;
1186
1187    /* Let's map whole pages */
1188    map_size = align_u64(map_size, 4096);
1189
1190    mem->map = anv_gem_mmap(device, mem->bo.gem_handle,
1191                            map_offset, map_size, gem_flags);
1192    mem->map_size = map_size;
1193
1194    *ppData = mem->map + (offset - map_offset);
1195
1196    return VK_SUCCESS;
1197 }
1198
1199 void anv_UnmapMemory(
1200     VkDevice                                    _device,
1201     VkDeviceMemory                              _memory)
1202 {
1203    ANV_FROM_HANDLE(anv_device_memory, mem, _memory);
1204
1205    if (mem == NULL)
1206       return;
1207
1208    anv_gem_munmap(mem->map, mem->map_size);
1209 }
1210
1211 static void
1212 clflush_mapped_ranges(struct anv_device         *device,
1213                       uint32_t                   count,
1214                       const VkMappedMemoryRange *ranges)
1215 {
1216    for (uint32_t i = 0; i < count; i++) {
1217       ANV_FROM_HANDLE(anv_device_memory, mem, ranges[i].memory);
1218       void *p = mem->map + (ranges[i].offset & ~CACHELINE_MASK);
1219       void *end;
1220
1221       if (ranges[i].offset + ranges[i].size > mem->map_size)
1222          end = mem->map + mem->map_size;
1223       else
1224          end = mem->map + ranges[i].offset + ranges[i].size;
1225
1226       while (p < end) {
1227          __builtin_ia32_clflush(p);
1228          p += CACHELINE_SIZE;
1229       }
1230    }
1231 }
1232
1233 VkResult anv_FlushMappedMemoryRanges(
1234     VkDevice                                    _device,
1235     uint32_t                                    memoryRangeCount,
1236     const VkMappedMemoryRange*                  pMemoryRanges)
1237 {
1238    ANV_FROM_HANDLE(anv_device, device, _device);
1239
1240    if (device->info.has_llc)
1241       return VK_SUCCESS;
1242
1243    /* Make sure the writes we're flushing have landed. */
1244    __builtin_ia32_mfence();
1245
1246    clflush_mapped_ranges(device, memoryRangeCount, pMemoryRanges);
1247
1248    return VK_SUCCESS;
1249 }
1250
1251 VkResult anv_InvalidateMappedMemoryRanges(
1252     VkDevice                                    _device,
1253     uint32_t                                    memoryRangeCount,
1254     const VkMappedMemoryRange*                  pMemoryRanges)
1255 {
1256    ANV_FROM_HANDLE(anv_device, device, _device);
1257
1258    if (device->info.has_llc)
1259       return VK_SUCCESS;
1260
1261    clflush_mapped_ranges(device, memoryRangeCount, pMemoryRanges);
1262
1263    /* Make sure no reads get moved up above the invalidate. */
1264    __builtin_ia32_mfence();
1265
1266    return VK_SUCCESS;
1267 }
1268
1269 void anv_GetBufferMemoryRequirements(
1270     VkDevice                                    device,
1271     VkBuffer                                    _buffer,
1272     VkMemoryRequirements*                       pMemoryRequirements)
1273 {
1274    ANV_FROM_HANDLE(anv_buffer, buffer, _buffer);
1275
1276    /* The Vulkan spec (git aaed022) says:
1277     *
1278     *    memoryTypeBits is a bitfield and contains one bit set for every
1279     *    supported memory type for the resource. The bit `1<<i` is set if and
1280     *    only if the memory type `i` in the VkPhysicalDeviceMemoryProperties
1281     *    structure for the physical device is supported.
1282     *
1283     * We support exactly one memory type.
1284     */
1285    pMemoryRequirements->memoryTypeBits = 1;
1286
1287    pMemoryRequirements->size = buffer->size;
1288    pMemoryRequirements->alignment = 16;
1289 }
1290
1291 void anv_GetImageMemoryRequirements(
1292     VkDevice                                    device,
1293     VkImage                                     _image,
1294     VkMemoryRequirements*                       pMemoryRequirements)
1295 {
1296    ANV_FROM_HANDLE(anv_image, image, _image);
1297
1298    /* The Vulkan spec (git aaed022) says:
1299     *
1300     *    memoryTypeBits is a bitfield and contains one bit set for every
1301     *    supported memory type for the resource. The bit `1<<i` is set if and
1302     *    only if the memory type `i` in the VkPhysicalDeviceMemoryProperties
1303     *    structure for the physical device is supported.
1304     *
1305     * We support exactly one memory type.
1306     */
1307    pMemoryRequirements->memoryTypeBits = 1;
1308
1309    pMemoryRequirements->size = image->size;
1310    pMemoryRequirements->alignment = image->alignment;
1311 }
1312
1313 void anv_GetImageSparseMemoryRequirements(
1314     VkDevice                                    device,
1315     VkImage                                     image,
1316     uint32_t*                                   pSparseMemoryRequirementCount,
1317     VkSparseImageMemoryRequirements*            pSparseMemoryRequirements)
1318 {
1319    stub();
1320 }
1321
1322 void anv_GetDeviceMemoryCommitment(
1323     VkDevice                                    device,
1324     VkDeviceMemory                              memory,
1325     VkDeviceSize*                               pCommittedMemoryInBytes)
1326 {
1327    *pCommittedMemoryInBytes = 0;
1328 }
1329
1330 VkResult anv_BindBufferMemory(
1331     VkDevice                                    device,
1332     VkBuffer                                    _buffer,
1333     VkDeviceMemory                              _memory,
1334     VkDeviceSize                                memoryOffset)
1335 {
1336    ANV_FROM_HANDLE(anv_device_memory, mem, _memory);
1337    ANV_FROM_HANDLE(anv_buffer, buffer, _buffer);
1338
1339    if (mem) {
1340       buffer->bo = &mem->bo;
1341       buffer->offset = memoryOffset;
1342    } else {
1343       buffer->bo = NULL;
1344       buffer->offset = 0;
1345    }
1346
1347    return VK_SUCCESS;
1348 }
1349
1350 VkResult anv_BindImageMemory(
1351     VkDevice                                    device,
1352     VkImage                                     _image,
1353     VkDeviceMemory                              _memory,
1354     VkDeviceSize                                memoryOffset)
1355 {
1356    ANV_FROM_HANDLE(anv_device_memory, mem, _memory);
1357    ANV_FROM_HANDLE(anv_image, image, _image);
1358
1359    if (mem) {
1360       image->bo = &mem->bo;
1361       image->offset = memoryOffset;
1362    } else {
1363       image->bo = NULL;
1364       image->offset = 0;
1365    }
1366
1367    return VK_SUCCESS;
1368 }
1369
1370 VkResult anv_QueueBindSparse(
1371     VkQueue                                     queue,
1372     uint32_t                                    bindInfoCount,
1373     const VkBindSparseInfo*                     pBindInfo,
1374     VkFence                                     fence)
1375 {
1376    stub_return(VK_ERROR_INCOMPATIBLE_DRIVER);
1377 }
1378
1379 VkResult anv_CreateFence(
1380     VkDevice                                    _device,
1381     const VkFenceCreateInfo*                    pCreateInfo,
1382     const VkAllocationCallbacks*                pAllocator,
1383     VkFence*                                    pFence)
1384 {
1385    ANV_FROM_HANDLE(anv_device, device, _device);
1386    struct anv_bo fence_bo;
1387    struct anv_fence *fence;
1388    struct anv_batch batch;
1389    VkResult result;
1390
1391    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_FENCE_CREATE_INFO);
1392
1393    result = anv_bo_pool_alloc(&device->batch_bo_pool, &fence_bo);
1394    if (result != VK_SUCCESS)
1395       return result;
1396
1397    /* Fences are small.  Just store the CPU data structure in the BO. */
1398    fence = fence_bo.map;
1399    fence->bo = fence_bo;
1400
1401    /* Place the batch after the CPU data but on its own cache line. */
1402    const uint32_t batch_offset = align_u32(sizeof(*fence), CACHELINE_SIZE);
1403    batch.next = batch.start = fence->bo.map + batch_offset;
1404    batch.end = fence->bo.map + fence->bo.size;
1405    anv_batch_emit(&batch, GEN7_MI_BATCH_BUFFER_END);
1406    anv_batch_emit(&batch, GEN7_MI_NOOP);
1407
1408    if (!device->info.has_llc) {
1409       assert(((uintptr_t) batch.start & CACHELINE_MASK) == 0);
1410       assert(batch.next - batch.start <= CACHELINE_SIZE);
1411       __builtin_ia32_mfence();
1412       __builtin_ia32_clflush(batch.start);
1413    }
1414
1415    fence->exec2_objects[0].handle = fence->bo.gem_handle;
1416    fence->exec2_objects[0].relocation_count = 0;
1417    fence->exec2_objects[0].relocs_ptr = 0;
1418    fence->exec2_objects[0].alignment = 0;
1419    fence->exec2_objects[0].offset = fence->bo.offset;
1420    fence->exec2_objects[0].flags = 0;
1421    fence->exec2_objects[0].rsvd1 = 0;
1422    fence->exec2_objects[0].rsvd2 = 0;
1423
1424    fence->execbuf.buffers_ptr = (uintptr_t) fence->exec2_objects;
1425    fence->execbuf.buffer_count = 1;
1426    fence->execbuf.batch_start_offset = batch.start - fence->bo.map;
1427    fence->execbuf.batch_len = batch.next - batch.start;
1428    fence->execbuf.cliprects_ptr = 0;
1429    fence->execbuf.num_cliprects = 0;
1430    fence->execbuf.DR1 = 0;
1431    fence->execbuf.DR4 = 0;
1432
1433    fence->execbuf.flags =
1434       I915_EXEC_HANDLE_LUT | I915_EXEC_NO_RELOC | I915_EXEC_RENDER;
1435    fence->execbuf.rsvd1 = device->context_id;
1436    fence->execbuf.rsvd2 = 0;
1437
1438    fence->ready = false;
1439
1440    *pFence = anv_fence_to_handle(fence);
1441
1442    return VK_SUCCESS;
1443 }
1444
1445 void anv_DestroyFence(
1446     VkDevice                                    _device,
1447     VkFence                                     _fence,
1448     const VkAllocationCallbacks*                pAllocator)
1449 {
1450    ANV_FROM_HANDLE(anv_device, device, _device);
1451    ANV_FROM_HANDLE(anv_fence, fence, _fence);
1452
1453    assert(fence->bo.map == fence);
1454    anv_bo_pool_free(&device->batch_bo_pool, &fence->bo);
1455 }
1456
1457 VkResult anv_ResetFences(
1458     VkDevice                                    _device,
1459     uint32_t                                    fenceCount,
1460     const VkFence*                              pFences)
1461 {
1462    for (uint32_t i = 0; i < fenceCount; i++) {
1463       ANV_FROM_HANDLE(anv_fence, fence, pFences[i]);
1464       fence->ready = false;
1465    }
1466
1467    return VK_SUCCESS;
1468 }
1469
1470 VkResult anv_GetFenceStatus(
1471     VkDevice                                    _device,
1472     VkFence                                     _fence)
1473 {
1474    ANV_FROM_HANDLE(anv_device, device, _device);
1475    ANV_FROM_HANDLE(anv_fence, fence, _fence);
1476    int64_t t = 0;
1477    int ret;
1478
1479    if (fence->ready)
1480       return VK_SUCCESS;
1481
1482    ret = anv_gem_wait(device, fence->bo.gem_handle, &t);
1483    if (ret == 0) {
1484       fence->ready = true;
1485       return VK_SUCCESS;
1486    }
1487
1488    return VK_NOT_READY;
1489 }
1490
1491 VkResult anv_WaitForFences(
1492     VkDevice                                    _device,
1493     uint32_t                                    fenceCount,
1494     const VkFence*                              pFences,
1495     VkBool32                                    waitAll,
1496     uint64_t                                    timeout)
1497 {
1498    ANV_FROM_HANDLE(anv_device, device, _device);
1499
1500    /* DRM_IOCTL_I915_GEM_WAIT uses a signed 64 bit timeout and is supposed
1501     * to block indefinitely timeouts <= 0.  Unfortunately, this was broken
1502     * for a couple of kernel releases.  Since there's no way to know
1503     * whether or not the kernel we're using is one of the broken ones, the
1504     * best we can do is to clamp the timeout to INT64_MAX.  This limits the
1505     * maximum timeout from 584 years to 292 years - likely not a big deal.
1506     */
1507    if (timeout > INT64_MAX)
1508       timeout = INT64_MAX;
1509
1510    int64_t t = timeout;
1511
1512    /* FIXME: handle !waitAll */
1513
1514    for (uint32_t i = 0; i < fenceCount; i++) {
1515       ANV_FROM_HANDLE(anv_fence, fence, pFences[i]);
1516       int ret = anv_gem_wait(device, fence->bo.gem_handle, &t);
1517       if (ret == -1 && errno == ETIME) {
1518          return VK_TIMEOUT;
1519       } else if (ret == -1) {
1520          /* We don't know the real error. */
1521          return vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY,
1522                           "gem wait failed: %m");
1523       }
1524    }
1525
1526    return VK_SUCCESS;
1527 }
1528
1529 // Queue semaphore functions
1530
1531 VkResult anv_CreateSemaphore(
1532     VkDevice                                    device,
1533     const VkSemaphoreCreateInfo*                pCreateInfo,
1534     const VkAllocationCallbacks*                pAllocator,
1535     VkSemaphore*                                pSemaphore)
1536 {
1537    /* The DRM execbuffer ioctl always execute in-oder, even between different
1538     * rings. As such, there's nothing to do for the user space semaphore.
1539     */
1540
1541    *pSemaphore = (VkSemaphore)1;
1542
1543    return VK_SUCCESS;
1544 }
1545
1546 void anv_DestroySemaphore(
1547     VkDevice                                    device,
1548     VkSemaphore                                 semaphore,
1549     const VkAllocationCallbacks*                pAllocator)
1550 {
1551 }
1552
1553 // Event functions
1554
1555 VkResult anv_CreateEvent(
1556     VkDevice                                    _device,
1557     const VkEventCreateInfo*                    pCreateInfo,
1558     const VkAllocationCallbacks*                pAllocator,
1559     VkEvent*                                    pEvent)
1560 {
1561    ANV_FROM_HANDLE(anv_device, device, _device);
1562    struct anv_state state;
1563    struct anv_event *event;
1564
1565    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_EVENT_CREATE_INFO);
1566
1567    state = anv_state_pool_alloc(&device->dynamic_state_pool,
1568                                 sizeof(*event), 8);
1569    event = state.map;
1570    event->state = state;
1571    event->semaphore = VK_EVENT_RESET;
1572
1573    if (!device->info.has_llc) {
1574       /* Make sure the writes we're flushing have landed. */
1575       __builtin_ia32_mfence();
1576       __builtin_ia32_clflush(event);
1577    }
1578
1579    *pEvent = anv_event_to_handle(event);
1580
1581    return VK_SUCCESS;
1582 }
1583
1584 void anv_DestroyEvent(
1585     VkDevice                                    _device,
1586     VkEvent                                     _event,
1587     const VkAllocationCallbacks*                pAllocator)
1588 {
1589    ANV_FROM_HANDLE(anv_device, device, _device);
1590    ANV_FROM_HANDLE(anv_event, event, _event);
1591
1592    anv_state_pool_free(&device->dynamic_state_pool, event->state);
1593 }
1594
1595 VkResult anv_GetEventStatus(
1596     VkDevice                                    _device,
1597     VkEvent                                     _event)
1598 {
1599    ANV_FROM_HANDLE(anv_device, device, _device);
1600    ANV_FROM_HANDLE(anv_event, event, _event);
1601
1602    if (!device->info.has_llc) {
1603       /* Invalidate read cache before reading event written by GPU. */
1604       __builtin_ia32_clflush(event);
1605       __builtin_ia32_mfence();
1606
1607    }
1608
1609    return event->semaphore;
1610 }
1611
1612 VkResult anv_SetEvent(
1613     VkDevice                                    _device,
1614     VkEvent                                     _event)
1615 {
1616    ANV_FROM_HANDLE(anv_device, device, _device);
1617    ANV_FROM_HANDLE(anv_event, event, _event);
1618
1619    event->semaphore = VK_EVENT_SET;
1620
1621    if (!device->info.has_llc) {
1622       /* Make sure the writes we're flushing have landed. */
1623       __builtin_ia32_mfence();
1624       __builtin_ia32_clflush(event);
1625    }
1626
1627    return VK_SUCCESS;
1628 }
1629
1630 VkResult anv_ResetEvent(
1631     VkDevice                                    _device,
1632     VkEvent                                     _event)
1633 {
1634    ANV_FROM_HANDLE(anv_device, device, _device);
1635    ANV_FROM_HANDLE(anv_event, event, _event);
1636
1637    event->semaphore = VK_EVENT_RESET;
1638
1639    if (!device->info.has_llc) {
1640       /* Make sure the writes we're flushing have landed. */
1641       __builtin_ia32_mfence();
1642       __builtin_ia32_clflush(event);
1643    }
1644
1645    return VK_SUCCESS;
1646 }
1647
1648 // Buffer functions
1649
1650 VkResult anv_CreateBuffer(
1651     VkDevice                                    _device,
1652     const VkBufferCreateInfo*                   pCreateInfo,
1653     const VkAllocationCallbacks*                pAllocator,
1654     VkBuffer*                                   pBuffer)
1655 {
1656    ANV_FROM_HANDLE(anv_device, device, _device);
1657    struct anv_buffer *buffer;
1658
1659    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO);
1660
1661    buffer = anv_alloc2(&device->alloc, pAllocator, sizeof(*buffer), 8,
1662                        VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
1663    if (buffer == NULL)
1664       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
1665
1666    buffer->size = pCreateInfo->size;
1667    buffer->usage = pCreateInfo->usage;
1668    buffer->bo = NULL;
1669    buffer->offset = 0;
1670
1671    *pBuffer = anv_buffer_to_handle(buffer);
1672
1673    return VK_SUCCESS;
1674 }
1675
1676 void anv_DestroyBuffer(
1677     VkDevice                                    _device,
1678     VkBuffer                                    _buffer,
1679     const VkAllocationCallbacks*                pAllocator)
1680 {
1681    ANV_FROM_HANDLE(anv_device, device, _device);
1682    ANV_FROM_HANDLE(anv_buffer, buffer, _buffer);
1683
1684    anv_free2(&device->alloc, pAllocator, buffer);
1685 }
1686
1687 void
1688 anv_fill_buffer_surface_state(struct anv_device *device, struct anv_state state,
1689                               enum isl_format format,
1690                               uint32_t offset, uint32_t range, uint32_t stride)
1691 {
1692    isl_buffer_fill_state(&device->isl_dev, state.map,
1693                          .address = offset,
1694                          .mocs = device->default_mocs,
1695                          .size = range,
1696                          .format = format,
1697                          .stride = stride);
1698
1699    if (!device->info.has_llc)
1700       anv_state_clflush(state);
1701 }
1702
1703 void anv_DestroySampler(
1704     VkDevice                                    _device,
1705     VkSampler                                   _sampler,
1706     const VkAllocationCallbacks*                pAllocator)
1707 {
1708    ANV_FROM_HANDLE(anv_device, device, _device);
1709    ANV_FROM_HANDLE(anv_sampler, sampler, _sampler);
1710
1711    anv_free2(&device->alloc, pAllocator, sampler);
1712 }
1713
1714 VkResult anv_CreateFramebuffer(
1715     VkDevice                                    _device,
1716     const VkFramebufferCreateInfo*              pCreateInfo,
1717     const VkAllocationCallbacks*                pAllocator,
1718     VkFramebuffer*                              pFramebuffer)
1719 {
1720    ANV_FROM_HANDLE(anv_device, device, _device);
1721    struct anv_framebuffer *framebuffer;
1722
1723    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO);
1724
1725    size_t size = sizeof(*framebuffer) +
1726                  sizeof(struct anv_image_view *) * pCreateInfo->attachmentCount;
1727    framebuffer = anv_alloc2(&device->alloc, pAllocator, size, 8,
1728                             VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
1729    if (framebuffer == NULL)
1730       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
1731
1732    framebuffer->attachment_count = pCreateInfo->attachmentCount;
1733    for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++) {
1734       VkImageView _iview = pCreateInfo->pAttachments[i];
1735       framebuffer->attachments[i] = anv_image_view_from_handle(_iview);
1736    }
1737
1738    framebuffer->width = pCreateInfo->width;
1739    framebuffer->height = pCreateInfo->height;
1740    framebuffer->layers = pCreateInfo->layers;
1741
1742    *pFramebuffer = anv_framebuffer_to_handle(framebuffer);
1743
1744    return VK_SUCCESS;
1745 }
1746
1747 void anv_DestroyFramebuffer(
1748     VkDevice                                    _device,
1749     VkFramebuffer                               _fb,
1750     const VkAllocationCallbacks*                pAllocator)
1751 {
1752    ANV_FROM_HANDLE(anv_device, device, _device);
1753    ANV_FROM_HANDLE(anv_framebuffer, fb, _fb);
1754
1755    anv_free2(&device->alloc, pAllocator, fb);
1756 }
1757
1758 void vkCmdDbgMarkerBegin(
1759     VkCommandBuffer                              commandBuffer,
1760     const char*                                 pMarker)
1761    __attribute__ ((visibility ("default")));
1762
1763 void vkCmdDbgMarkerEnd(
1764    VkCommandBuffer                              commandBuffer)
1765    __attribute__ ((visibility ("default")));
1766
1767 void vkCmdDbgMarkerBegin(
1768     VkCommandBuffer                              commandBuffer,
1769     const char*                                 pMarker)
1770 {
1771 }
1772
1773 void vkCmdDbgMarkerEnd(
1774     VkCommandBuffer                              commandBuffer)
1775 {
1776 }