src/intel/vulkan/anv_android.c

   1 /*
   2  * Copyright © 2017, Google Inc.
   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 <hardware/gralloc.h>
  25
  26 #if ANDROID_API_LEVEL >= 26
  27 #include <hardware/gralloc1.h>
  28 #include <grallocusage/GrallocUsageConversion.h>
  29 #endif
  30
  31 #include <hardware/hardware.h>
  32 #include <hardware/hwvulkan.h>
  33 #include <vulkan/vk_android_native_buffer.h>
  34 #include <vulkan/vk_icd.h>
  35 #include <sync/sync.h>
  36
  37 #include "anv_private.h"
  38 #include "vk_format_info.h"
  39 #include "vk_util.h"
  40
  41 static int anv_hal_open(const struct hw_module_t* mod, const char* id, struct hw_device_t** dev);
  42 static int anv_hal_close(struct hw_device_t *dev);
  43
  44 static void UNUSED
  45 static_asserts(void)
  46 {
  47    STATIC_ASSERT(HWVULKAN_DISPATCH_MAGIC == ICD_LOADER_MAGIC);
  48 }
  49
  50 PUBLIC struct hwvulkan_module_t HAL_MODULE_INFO_SYM = {
  51    .common = {
  52       .tag = HARDWARE_MODULE_TAG,
  53       .module_api_version = HWVULKAN_MODULE_API_VERSION_0_1,
  54       .hal_api_version = HARDWARE_MAKE_API_VERSION(1, 0),
  55       .id = HWVULKAN_HARDWARE_MODULE_ID,
  56       .name = "Intel Vulkan HAL",
  57       .author = "Intel",
  58       .methods = &(hw_module_methods_t) {
  59          .open = anv_hal_open,
  60       },
  61    },
  62 };
  63
  64 /* If any bits in test_mask are set, then unset them and return true. */
  65 static inline bool
  66 unmask32(uint32_t *inout_mask, uint32_t test_mask)
  67 {
  68    uint32_t orig_mask = *inout_mask;
  69    *inout_mask &= ~test_mask;
  70    return *inout_mask != orig_mask;
  71 }
  72
  73 static int
  74 anv_hal_open(const struct hw_module_t* mod, const char* id,
  75              struct hw_device_t** dev)
  76 {
  77    assert(mod == &HAL_MODULE_INFO_SYM.common);
  78    assert(strcmp(id, HWVULKAN_DEVICE_0) == 0);
  79
  80    hwvulkan_device_t *hal_dev = malloc(sizeof(*hal_dev));
  81    if (!hal_dev)
  82       return -1;
  83
  84    *hal_dev = (hwvulkan_device_t) {
  85       .common = {
  86          .tag = HARDWARE_DEVICE_TAG,
  87          .version = HWVULKAN_DEVICE_API_VERSION_0_1,
  88          .module = &HAL_MODULE_INFO_SYM.common,
  89          .close = anv_hal_close,
  90       },
  91      .EnumerateInstanceExtensionProperties = anv_EnumerateInstanceExtensionProperties,
  92      .CreateInstance = anv_CreateInstance,
  93      .GetInstanceProcAddr = anv_GetInstanceProcAddr,
  94    };
  95
  96    *dev = &hal_dev->common;
  97    return 0;
  98 }
  99
 100 static int
 101 anv_hal_close(struct hw_device_t *dev)
 102 {
 103    /* hwvulkan.h claims that hw_device_t::close() is never called. */
 104    return -1;
 105 }
 106
 107 #if ANDROID_API_LEVEL >= 26
 108 static VkResult
 109 get_ahw_buffer_format_properties(
 110    VkDevice device_h,
 111    const struct AHardwareBuffer *buffer,
 112    VkAndroidHardwareBufferFormatPropertiesANDROID *pProperties)
 113 {
 114    ANV_FROM_HANDLE(anv_device, device, device_h);
 115
 116    /* Get a description of buffer contents . */
 117    AHardwareBuffer_Desc desc;
 118    AHardwareBuffer_describe(buffer, &desc);
 119
 120    /* Verify description. */
 121    uint64_t gpu_usage =
 122       AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE |
 123       AHARDWAREBUFFER_USAGE_GPU_COLOR_OUTPUT |
 124       AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER;
 125
 126    /* "Buffer must be a valid Android hardware buffer object with at least
 127     * one of the AHARDWAREBUFFER_USAGE_GPU_* usage flags."
 128     */
 129    if (!(desc.usage & (gpu_usage)))
 130       return VK_ERROR_INVALID_EXTERNAL_HANDLE;
 131
 132    /* Fill properties fields based on description. */
 133    VkAndroidHardwareBufferFormatPropertiesANDROID *p = pProperties;
 134
 135    p->format = vk_format_from_android(desc.format, desc.usage);
 136
 137    const struct anv_format *anv_format = anv_get_format(p->format);
 138    p->externalFormat = (uint64_t) (uintptr_t) anv_format;
 139
 140    /* Default to OPTIMAL tiling but set to linear in case
 141     * of AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER usage.
 142     */
 143    VkImageTiling tiling = VK_IMAGE_TILING_OPTIMAL;
 144
 145    if (desc.usage & AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER)
 146       tiling = VK_IMAGE_TILING_LINEAR;
 147
 148    p->formatFeatures =
 149       anv_get_image_format_features(&device->info, p->format, anv_format,
 150                                     tiling);
 151
 152    /* "Images can be created with an external format even if the Android hardware
 153     *  buffer has a format which has an equivalent Vulkan format to enable
 154     *  consistent handling of images from sources that might use either category
 155     *  of format. However, all images created with an external format are subject
 156     *  to the valid usage requirements associated with external formats, even if
 157     *  the Android hardware buffer’s format has a Vulkan equivalent."
 158     *
 159     * "The formatFeatures member *must* include
 160     *  VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT and at least one of
 161     *  VK_FORMAT_FEATURE_MIDPOINT_CHROMA_SAMPLES_BIT or
 162     *  VK_FORMAT_FEATURE_COSITED_CHROMA_SAMPLES_BIT"
 163     */
 164    p->formatFeatures |=
 165       VK_FORMAT_FEATURE_MIDPOINT_CHROMA_SAMPLES_BIT;
 166
 167    /* "Implementations may not always be able to determine the color model,
 168     *  numerical range, or chroma offsets of the image contents, so the values
 169     *  in VkAndroidHardwareBufferFormatPropertiesANDROID are only suggestions.
 170     *  Applications should treat these values as sensible defaults to use in
 171     *  the absence of more reliable information obtained through some other
 172     *  means."
 173     */
 174    p->samplerYcbcrConversionComponents.r = VK_COMPONENT_SWIZZLE_IDENTITY;
 175    p->samplerYcbcrConversionComponents.g = VK_COMPONENT_SWIZZLE_IDENTITY;
 176    p->samplerYcbcrConversionComponents.b = VK_COMPONENT_SWIZZLE_IDENTITY;
 177    p->samplerYcbcrConversionComponents.a = VK_COMPONENT_SWIZZLE_IDENTITY;
 178
 179    p->suggestedYcbcrModel = VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_601;
 180    p->suggestedYcbcrRange = VK_SAMPLER_YCBCR_RANGE_ITU_FULL;
 181
 182    p->suggestedXChromaOffset = VK_CHROMA_LOCATION_MIDPOINT;
 183    p->suggestedYChromaOffset = VK_CHROMA_LOCATION_MIDPOINT;
 184
 185    return VK_SUCCESS;
 186 }
 187
 188 VkResult
 189 anv_GetAndroidHardwareBufferPropertiesANDROID(
 190    VkDevice device_h,
 191    const struct AHardwareBuffer *buffer,
 192    VkAndroidHardwareBufferPropertiesANDROID *pProperties)
 193 {
 194    ANV_FROM_HANDLE(anv_device, dev, device_h);
 195    struct anv_physical_device *pdevice = &dev->instance->physicalDevice;
 196
 197    VkAndroidHardwareBufferFormatPropertiesANDROID *format_prop =
 198       vk_find_struct(pProperties->pNext,
 199                      ANDROID_HARDWARE_BUFFER_FORMAT_PROPERTIES_ANDROID);
 200
 201    /* Fill format properties of an Android hardware buffer. */
 202    if (format_prop)
 203       get_ahw_buffer_format_properties(device_h, buffer, format_prop);
 204
 205    /* NOTE - We support buffers with only one handle but do not error on
 206     * multiple handle case. Reason is that we want to support YUV formats
 207     * where we have many logical planes but they all point to the same
 208     * buffer, like is the case with VK_FORMAT_G8_B8R8_2PLANE_420_UNORM.
 209     */
 210    const native_handle_t *handle =
 211       AHardwareBuffer_getNativeHandle(buffer);
 212    int dma_buf = (handle && handle->numFds) ? handle->data[0] : -1;
 213    if (dma_buf < 0)
 214       return VK_ERROR_INVALID_EXTERNAL_HANDLE;
 215
 216    /* All memory types. */
 217    uint32_t memory_types = (1ull << pdevice->memory.type_count) - 1;
 218
 219    pProperties->allocationSize = lseek(dma_buf, 0, SEEK_END);
 220    pProperties->memoryTypeBits = memory_types;
 221
 222    return VK_SUCCESS;
 223 }
 224
 225 VkResult
 226 anv_GetMemoryAndroidHardwareBufferANDROID(
 227    VkDevice device_h,
 228    const VkMemoryGetAndroidHardwareBufferInfoANDROID *pInfo,
 229    struct AHardwareBuffer **pBuffer)
 230 {
 231    ANV_FROM_HANDLE(anv_device_memory, mem, pInfo->memory);
 232
 233    /* Some quotes from Vulkan spec:
 234     *
 235     * "If the device memory was created by importing an Android hardware
 236     * buffer, vkGetMemoryAndroidHardwareBufferANDROID must return that same
 237     * Android hardware buffer object."
 238     *
 239     * "VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID must
 240     * have been included in VkExportMemoryAllocateInfo::handleTypes when
 241     * memory was created."
 242     */
 243    if (mem->ahw) {
 244       *pBuffer = mem->ahw;
 245       /* Increase refcount. */
 246       AHardwareBuffer_acquire(mem->ahw);
 247       return VK_SUCCESS;
 248    }
 249
 250    return VK_ERROR_OUT_OF_HOST_MEMORY;
 251 }
 252
 253 #endif
 254
 255 /* Construct ahw usage mask from image usage bits, see
 256  * 'AHardwareBuffer Usage Equivalence' in Vulkan spec.
 257  */
 258 uint64_t
 259 anv_ahw_usage_from_vk_usage(const VkImageCreateFlags vk_create,
 260                             const VkImageUsageFlags vk_usage)
 261 {
 262    uint64_t ahw_usage = 0;
 263 #if ANDROID_API_LEVEL >= 26
 264    if (vk_usage & VK_IMAGE_USAGE_SAMPLED_BIT)
 265       ahw_usage |= AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE;
 266
 267    if (vk_usage & VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT)
 268       ahw_usage |= AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE;
 269
 270    if (vk_usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT)
 271       ahw_usage |= AHARDWAREBUFFER_USAGE_GPU_COLOR_OUTPUT;
 272
 273    if (vk_create & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT)
 274       ahw_usage |= AHARDWAREBUFFER_USAGE_GPU_CUBE_MAP;
 275
 276    if (vk_create & VK_IMAGE_CREATE_PROTECTED_BIT)
 277       ahw_usage |= AHARDWAREBUFFER_USAGE_PROTECTED_CONTENT;
 278
 279    /* No usage bits set - set at least one GPU usage. */
 280    if (ahw_usage == 0)
 281       ahw_usage = AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE;
 282 #endif
 283    return ahw_usage;
 284 }
 285
 286 /*
 287  * Called from anv_AllocateMemory when import AHardwareBuffer.
 288  */
 289 VkResult
 290 anv_import_ahw_memory(VkDevice device_h,
 291                       struct anv_device_memory *mem,
 292                       const VkImportAndroidHardwareBufferInfoANDROID *info)
 293 {
 294 #if ANDROID_API_LEVEL >= 26
 295    ANV_FROM_HANDLE(anv_device, device, device_h);
 296
 297    /* Import from AHardwareBuffer to anv_device_memory. */
 298    const native_handle_t *handle =
 299       AHardwareBuffer_getNativeHandle(info->buffer);
 300
 301    /* NOTE - We support buffers with only one handle but do not error on
 302     * multiple handle case. Reason is that we want to support YUV formats
 303     * where we have many logical planes but they all point to the same
 304     * buffer, like is the case with VK_FORMAT_G8_B8R8_2PLANE_420_UNORM.
 305     */
 306    int dma_buf = (handle && handle->numFds) ? handle->data[0] : -1;
 307    if (dma_buf < 0)
 308       return VK_ERROR_INVALID_EXTERNAL_HANDLE;
 309
 310    VkResult result = anv_device_import_bo(device, dma_buf, 0, &mem->bo);
 311    assert(VK_SUCCESS);
 312
 313    /* "If the vkAllocateMemory command succeeds, the implementation must
 314     * acquire a reference to the imported hardware buffer, which it must
 315     * release when the device memory object is freed. If the command fails,
 316     * the implementation must not retain a reference."
 317     */
 318    AHardwareBuffer_acquire(info->buffer);
 319    mem->ahw = info->buffer;
 320
 321    return VK_SUCCESS;
 322 #else
 323    return VK_ERROR_EXTENSION_NOT_PRESENT;
 324 #endif
 325 }
 326
 327 VkResult
 328 anv_create_ahw_memory(VkDevice device_h,
 329                       struct anv_device_memory *mem,
 330                       const VkMemoryAllocateInfo *pAllocateInfo)
 331 {
 332 #if ANDROID_API_LEVEL >= 26
 333    ANV_FROM_HANDLE(anv_device, dev, device_h);
 334
 335    const VkMemoryDedicatedAllocateInfo *dedicated_info =
 336       vk_find_struct_const(pAllocateInfo->pNext,
 337                            MEMORY_DEDICATED_ALLOCATE_INFO);
 338
 339    uint32_t w = 0;
 340    uint32_t h = 1;
 341    uint32_t layers = 1;
 342    uint32_t format = 0;
 343    uint64_t usage = 0;
 344
 345    /* If caller passed dedicated information. */
 346    if (dedicated_info && dedicated_info->image) {
 347       ANV_FROM_HANDLE(anv_image, image, dedicated_info->image);
 348       w = image->extent.width;
 349       h = image->extent.height;
 350       layers = image->array_size;
 351       format = android_format_from_vk(image->vk_format);
 352       usage = anv_ahw_usage_from_vk_usage(image->create_flags, image->usage);
 353    } else if (dedicated_info && dedicated_info->buffer) {
 354       ANV_FROM_HANDLE(anv_buffer, buffer, dedicated_info->buffer);
 355       w = buffer->size;
 356       format = AHARDWAREBUFFER_FORMAT_BLOB;
 357       usage = AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN |
 358               AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN;
 359    } else {
 360       w = pAllocateInfo->allocationSize;
 361       format = AHARDWAREBUFFER_FORMAT_BLOB;
 362       usage = AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN |
 363               AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN;
 364    }
 365
 366    struct AHardwareBuffer *ahw = NULL;
 367    struct AHardwareBuffer_Desc desc = {
 368       .width = w,
 369       .height = h,
 370       .layers = layers,
 371       .format = format,
 372       .usage = usage,
 373     };
 374
 375    if (AHardwareBuffer_allocate(&desc, &ahw) != 0)
 376       return VK_ERROR_OUT_OF_HOST_MEMORY;
 377
 378    mem->ahw = ahw;
 379    return VK_SUCCESS;
 380 #else
 381    return VK_ERROR_EXTENSION_NOT_PRESENT;
 382 #endif
 383
 384 }
 385
 386 VkResult
 387 anv_image_from_external(
 388    VkDevice device_h,
 389    const VkImageCreateInfo *base_info,
 390    const struct VkExternalMemoryImageCreateInfo *create_info,
 391    const VkAllocationCallbacks *alloc,
 392    VkImage *out_image_h)
 393 {
 394 #if ANDROID_API_LEVEL >= 26
 395    ANV_FROM_HANDLE(anv_device, device, device_h);
 396
 397    const struct VkExternalFormatANDROID *ext_info =
 398       vk_find_struct_const(base_info->pNext, EXTERNAL_FORMAT_ANDROID);
 399
 400    if (ext_info && ext_info->externalFormat != 0) {
 401       assert(base_info->format == VK_FORMAT_UNDEFINED);
 402       assert(base_info->imageType == VK_IMAGE_TYPE_2D);
 403       assert(base_info->usage == VK_IMAGE_USAGE_SAMPLED_BIT);
 404       assert(base_info->tiling == VK_IMAGE_TILING_OPTIMAL);
 405    }
 406
 407    struct anv_image_create_info anv_info = {
 408       .vk_info = base_info,
 409       .isl_extra_usage_flags = ISL_SURF_USAGE_DISABLE_AUX_BIT,
 410       .external_format = true,
 411    };
 412
 413    VkImage image_h;
 414    VkResult result = anv_image_create(device_h, &anv_info, alloc, &image_h);
 415    if (result != VK_SUCCESS)
 416       return result;
 417
 418    *out_image_h = image_h;
 419
 420    return VK_SUCCESS;
 421 #else
 422    return VK_ERROR_EXTENSION_NOT_PRESENT;
 423 #endif
 424 }
 425
 426
 427 VkResult
 428 anv_image_from_gralloc(VkDevice device_h,
 429                        const VkImageCreateInfo *base_info,
 430                        const VkNativeBufferANDROID *gralloc_info,
 431                        const VkAllocationCallbacks *alloc,
 432                        VkImage *out_image_h)
 433
 434 {
 435    ANV_FROM_HANDLE(anv_device, device, device_h);
 436    VkImage image_h = VK_NULL_HANDLE;
 437    struct anv_image *image = NULL;
 438    struct anv_bo *bo = NULL;
 439    VkResult result;
 440
 441    struct anv_image_create_info anv_info = {
 442       .vk_info = base_info,
 443       .isl_extra_usage_flags = ISL_SURF_USAGE_DISABLE_AUX_BIT,
 444    };
 445
 446    if (gralloc_info->handle->numFds != 1) {
 447       return vk_errorf(device->instance, device,
 448                        VK_ERROR_INVALID_EXTERNAL_HANDLE,
 449                        "VkNativeBufferANDROID::handle::numFds is %d, "
 450                        "expected 1", gralloc_info->handle->numFds);
 451    }
 452
 453    /* Do not close the gralloc handle's dma_buf. The lifetime of the dma_buf
 454     * must exceed that of the gralloc handle, and we do not own the gralloc
 455     * handle.
 456     */
 457    int dma_buf = gralloc_info->handle->data[0];
 458
 459    /* We need to set the WRITE flag on window system buffers so that GEM will
 460     * know we're writing to them and synchronize uses on other rings (for
 461     * example, if the display server uses the blitter ring).
 462     *
 463     * If this function fails and if the imported bo was resident in the cache,
 464     * we should avoid updating the bo's flags. Therefore, we defer updating
 465     * the flags until success is certain.
 466     *
 467     */
 468    result = anv_device_import_bo(device, dma_buf,
 469                                  ANV_BO_ALLOC_IMPLICIT_SYNC |
 470                                  ANV_BO_ALLOC_IMPLICIT_WRITE,
 471                                  &bo);
 472    if (result != VK_SUCCESS) {
 473       return vk_errorf(device->instance, device, result,
 474                        "failed to import dma-buf from VkNativeBufferANDROID");
 475    }
 476
 477    int i915_tiling = anv_gem_get_tiling(device, bo->gem_handle);
 478    switch (i915_tiling) {
 479    case I915_TILING_NONE:
 480       anv_info.isl_tiling_flags = ISL_TILING_LINEAR_BIT;
 481       break;
 482    case I915_TILING_X:
 483       anv_info.isl_tiling_flags = ISL_TILING_X_BIT;
 484       break;
 485    case I915_TILING_Y:
 486       anv_info.isl_tiling_flags = ISL_TILING_Y0_BIT;
 487       break;
 488    case -1:
 489       result = vk_errorf(device->instance, device,
 490                          VK_ERROR_INVALID_EXTERNAL_HANDLE,
 491                          "DRM_IOCTL_I915_GEM_GET_TILING failed for "
 492                          "VkNativeBufferANDROID");
 493       goto fail_tiling;
 494    default:
 495       result = vk_errorf(device->instance, device,
 496                          VK_ERROR_INVALID_EXTERNAL_HANDLE,
 497                          "DRM_IOCTL_I915_GEM_GET_TILING returned unknown "
 498                          "tiling %d for VkNativeBufferANDROID", i915_tiling);
 499       goto fail_tiling;
 500    }
 501
 502    enum isl_format format = anv_get_isl_format(&device->info,
 503                                                base_info->format,
 504                                                VK_IMAGE_ASPECT_COLOR_BIT,
 505                                                base_info->tiling);
 506    assert(format != ISL_FORMAT_UNSUPPORTED);
 507
 508    anv_info.stride = gralloc_info->stride *
 509                      (isl_format_get_layout(format)->bpb / 8);
 510
 511    result = anv_image_create(device_h, &anv_info, alloc, &image_h);
 512    image = anv_image_from_handle(image_h);
 513    if (result != VK_SUCCESS)
 514       goto fail_create;
 515
 516    if (bo->size < image->size) {
 517       result = vk_errorf(device->instance, device,
 518                          VK_ERROR_INVALID_EXTERNAL_HANDLE,
 519                          "dma-buf from VkNativeBufferANDROID is too small for "
 520                          "VkImage: %"PRIu64"B < %"PRIu64"B",
 521                          bo->size, image->size);
 522       goto fail_size;
 523    }
 524
 525    assert(image->n_planes == 1);
 526    assert(image->planes[0].address.offset == 0);
 527
 528    image->planes[0].address.bo = bo;
 529    image->planes[0].bo_is_owned = true;
 530
 531    /* Don't clobber the out-parameter until success is certain. */
 532    *out_image_h = image_h;
 533
 534    return VK_SUCCESS;
 535
 536  fail_size:
 537    anv_DestroyImage(device_h, image_h, alloc);
 538  fail_create:
 539  fail_tiling:
 540    anv_device_release_bo(device, bo);
 541
 542    return result;
 543 }
 544
 545 VkResult
 546 format_supported_with_usage(VkDevice device_h, VkFormat format,
 547                             VkImageUsageFlags imageUsage)
 548 {
 549    ANV_FROM_HANDLE(anv_device, device, device_h);
 550    struct anv_physical_device *phys_dev = &device->instance->physicalDevice;
 551    VkPhysicalDevice phys_dev_h = anv_physical_device_to_handle(phys_dev);
 552    VkResult result;
 553
 554    const VkPhysicalDeviceImageFormatInfo2 image_format_info = {
 555       .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2,
 556       .format = format,
 557       .type = VK_IMAGE_TYPE_2D,
 558       .tiling = VK_IMAGE_TILING_OPTIMAL,
 559       .usage = imageUsage,
 560    };
 561
 562    VkImageFormatProperties2 image_format_props = {
 563       .sType = VK_STRUCTURE_TYPE_IMAGE_FORMAT_PROPERTIES_2,
 564    };
 565
 566    /* Check that requested format and usage are supported. */
 567    result = anv_GetPhysicalDeviceImageFormatProperties2(phys_dev_h,
 568                &image_format_info, &image_format_props);
 569    if (result != VK_SUCCESS) {
 570       return vk_errorf(device->instance, device, result,
 571                        "anv_GetPhysicalDeviceImageFormatProperties2 failed "
 572                        "inside %s", __func__);
 573    }
 574    return VK_SUCCESS;
 575 }
 576
 577
 578 static VkResult
 579 setup_gralloc0_usage(VkFormat format, VkImageUsageFlags imageUsage,
 580                      int *grallocUsage)
 581 {
 582    /* WARNING: Android's libvulkan.so hardcodes the VkImageUsageFlags
 583     * returned to applications via VkSurfaceCapabilitiesKHR::supportedUsageFlags.
 584     * The relevant code in libvulkan/swapchain.cpp contains this fun comment:
 585     *
 586     *     TODO(jessehall): I think these are right, but haven't thought hard
 587     *     about it. Do we need to query the driver for support of any of
 588     *     these?
 589     *
 590     * Any disagreement between this function and the hardcoded
 591     * VkSurfaceCapabilitiesKHR:supportedUsageFlags causes tests
 592     * dEQP-VK.wsi.android.swapchain.*.image_usage to fail.
 593     */
 594
 595    if (unmask32(&imageUsage, VK_IMAGE_USAGE_TRANSFER_DST_BIT |
 596                              VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT))
 597       *grallocUsage |= GRALLOC_USAGE_HW_RENDER;
 598
 599    if (unmask32(&imageUsage, VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
 600                              VK_IMAGE_USAGE_SAMPLED_BIT |
 601                              VK_IMAGE_USAGE_STORAGE_BIT |
 602                              VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT))
 603       *grallocUsage |= GRALLOC_USAGE_HW_TEXTURE;
 604
 605    /* All VkImageUsageFlags not explicitly checked here are unsupported for
 606     * gralloc swapchains.
 607     */
 608    if (imageUsage != 0) {
 609       return vk_errorf(device->instance, device, VK_ERROR_FORMAT_NOT_SUPPORTED,
 610                        "unsupported VkImageUsageFlags(0x%x) for gralloc "
 611                        "swapchain", imageUsage);
 612    }
 613
 614    /* The below formats support GRALLOC_USAGE_HW_FB (that is, display
 615     * scanout). This short list of formats is univserally supported on Intel
 616     * but is incomplete.  The full set of supported formats is dependent on
 617     * kernel and hardware.
 618     *
 619     * FINISHME: Advertise all display-supported formats.
 620     */
 621    switch (format) {
 622       case VK_FORMAT_B8G8R8A8_UNORM:
 623       case VK_FORMAT_B5G6R5_UNORM_PACK16:
 624       case VK_FORMAT_R8G8B8A8_UNORM:
 625       case VK_FORMAT_R8G8B8A8_SRGB:
 626          *grallocUsage |= GRALLOC_USAGE_HW_FB |
 627                           GRALLOC_USAGE_HW_COMPOSER |
 628                           GRALLOC_USAGE_EXTERNAL_DISP;
 629          break;
 630       default:
 631          intel_logw("%s: unsupported format=%d", __func__, format);
 632    }
 633
 634    if (*grallocUsage == 0)
 635       return VK_ERROR_FORMAT_NOT_SUPPORTED;
 636
 637    return VK_SUCCESS;
 638 }
 639
 640
 641 #if ANDROID_API_LEVEL >= 26
 642 VkResult anv_GetSwapchainGrallocUsage2ANDROID(
 643     VkDevice            device_h,
 644     VkFormat            format,
 645     VkImageUsageFlags   imageUsage,
 646     VkSwapchainImageUsageFlagsANDROID swapchainImageUsage,
 647     uint64_t*           grallocConsumerUsage,
 648     uint64_t*           grallocProducerUsage)
 649 {
 650    ANV_FROM_HANDLE(anv_device, device, device_h);
 651    VkResult result;
 652
 653    *grallocConsumerUsage = 0;
 654    *grallocProducerUsage = 0;
 655    intel_logd("%s: format=%d, usage=0x%x", __func__, format, imageUsage);
 656
 657    result = format_supported_with_usage(device_h, format, imageUsage);
 658    if (result != VK_SUCCESS)
 659       return result;
 660
 661    int32_t grallocUsage = 0;
 662    result = setup_gralloc0_usage(format, imageUsage, &grallocUsage);
 663    if (result != VK_SUCCESS)
 664       return result;
 665
 666    android_convertGralloc0To1Usage(grallocUsage, grallocProducerUsage,
 667                                    grallocConsumerUsage);
 668
 669    return VK_SUCCESS;
 670 }
 671 #endif
 672
 673 VkResult anv_GetSwapchainGrallocUsageANDROID(
 674     VkDevice            device_h,
 675     VkFormat            format,
 676     VkImageUsageFlags   imageUsage,
 677     int*                grallocUsage)
 678 {
 679    ANV_FROM_HANDLE(anv_device, device, device_h);
 680    struct anv_physical_device *phys_dev = &device->instance->physicalDevice;
 681    VkPhysicalDevice phys_dev_h = anv_physical_device_to_handle(phys_dev);
 682    VkResult result;
 683
 684    *grallocUsage = 0;
 685    intel_logd("%s: format=%d, usage=0x%x", __func__, format, imageUsage);
 686
 687    result = format_supported_with_usage(device_h, format, imageUsage);
 688    if (result != VK_SUCCESS)
 689       return result;
 690
 691    return setup_gralloc0_usage(format, imageUsage, grallocUsage);
 692 }
 693
 694 VkResult
 695 anv_AcquireImageANDROID(
 696       VkDevice            device_h,
 697       VkImage             image_h,
 698       int                 nativeFenceFd,
 699       VkSemaphore         semaphore_h,
 700       VkFence             fence_h)
 701 {
 702    ANV_FROM_HANDLE(anv_device, device, device_h);
 703    VkResult result = VK_SUCCESS;
 704
 705    if (nativeFenceFd != -1) {
 706       /* As a simple, firstpass implementation of VK_ANDROID_native_buffer, we
 707        * block on the nativeFenceFd. This may introduce latency and is
 708        * definitiely inefficient, yet it's correct.
 709        *
 710        * FINISHME(chadv): Import the nativeFenceFd into the VkSemaphore and
 711        * VkFence.
 712        */
 713       if (sync_wait(nativeFenceFd, /*timeout*/ -1) < 0) {
 714          result = vk_errorf(device->instance, device, VK_ERROR_DEVICE_LOST,
 715                             "%s: failed to wait on nativeFenceFd=%d",
 716                             __func__, nativeFenceFd);
 717       }
 718
 719       /* From VK_ANDROID_native_buffer's pseudo spec
 720        * (https://source.android.com/devices/graphics/implement-vulkan):
 721        *
 722        *    The driver takes ownership of the fence fd and is responsible for
 723        *    closing it [...] even if vkAcquireImageANDROID fails and returns
 724        *    an error.
 725        */
 726       close(nativeFenceFd);
 727
 728       if (result != VK_SUCCESS)
 729          return result;
 730    }
 731
 732    if (semaphore_h || fence_h) {
 733       /* Thanks to implicit sync, the image is ready for GPU access.  But we
 734        * must still put the semaphore into the "submit" state; otherwise the
 735        * client may get unexpected behavior if the client later uses it as
 736        * a wait semaphore.
 737        *
 738        * Because we blocked above on the nativeFenceFd, the image is also
 739        * ready for foreign-device access (including CPU access). But we must
 740        * still signal the fence; otherwise the client may get unexpected
 741        * behavior if the client later waits on it.
 742        *
 743        * For some values of anv_semaphore_type, we must submit the semaphore
 744        * to execbuf in order to signal it.  Likewise for anv_fence_type.
 745        * Instead of open-coding here the signal operation for each
 746        * anv_semaphore_type and anv_fence_type, we piggy-back on
 747        * vkQueueSubmit.
 748        */
 749       const VkSubmitInfo submit = {
 750          .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
 751          .waitSemaphoreCount = 0,
 752          .commandBufferCount = 0,
 753          .signalSemaphoreCount = (semaphore_h ? 1 : 0),
 754          .pSignalSemaphores = &semaphore_h,
 755       };
 756
 757       result = anv_QueueSubmit(anv_queue_to_handle(&device->queue), 1,
 758                                &submit, fence_h);
 759       if (result != VK_SUCCESS) {
 760          return vk_errorf(device->instance, device, result,
 761                           "anv_QueueSubmit failed inside %s", __func__);
 762       }
 763    }
 764
 765    return VK_SUCCESS;
 766 }
 767
 768 VkResult
 769 anv_QueueSignalReleaseImageANDROID(
 770       VkQueue             queue,
 771       uint32_t            waitSemaphoreCount,
 772       const VkSemaphore*  pWaitSemaphores,
 773       VkImage             image,
 774       int*                pNativeFenceFd)
 775 {
 776    VkResult result;
 777
 778    if (waitSemaphoreCount == 0)
 779       goto done;
 780
 781    result = anv_QueueSubmit(queue, 1,
 782       &(VkSubmitInfo) {
 783             .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
 784             .waitSemaphoreCount = 1,
 785             .pWaitSemaphores = pWaitSemaphores,
 786       },
 787       (VkFence) VK_NULL_HANDLE);
 788    if (result != VK_SUCCESS)
 789       return result;
 790
 791  done:
 792    if (pNativeFenceFd) {
 793       /* We can rely implicit on sync because above we submitted all
 794        * semaphores to the queue.
 795        */
 796       *pNativeFenceFd = -1;
 797    }
 798
 799    return VK_SUCCESS;
 800 }