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   1 /*
   2  * This file is part of FFmpeg.
   3  *
   4  * FFmpeg is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * FFmpeg is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with FFmpeg; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 #include "config.h"
  20 #include "pixdesc.h"
  21 #include "avstring.h"
  22 #include "imgutils.h"
  23 #include "hwcontext.h"
  24 #include "hwcontext_internal.h"
  25 #include "hwcontext_vulkan.h"
  26
  27 #if CONFIG_LIBDRM
  28 #include <unistd.h>
  29 #include <xf86drm.h>
  30 #include <drm_fourcc.h>
  31 #include "hwcontext_drm.h"
  32 #if CONFIG_VAAPI
  33 #include <va/va_drmcommon.h>
  34 #include "hwcontext_vaapi.h"
  35 #endif
  36 #endif
  37
  38 #if CONFIG_CUDA
  39 #include "hwcontext_cuda_internal.h"
  40 #include "cuda_check.h"
  41 #define CHECK_CU(x) FF_CUDA_CHECK_DL(cuda_cu, cu, x)
  42 #endif
  43
  44 typedef struct VulkanQueueCtx {
  45     VkFence fence;
  46     VkQueue queue;
  47     int was_synchronous;
  48
  49     /* Buffer dependencies */
  50     AVBufferRef **buf_deps;
  51     int nb_buf_deps;
  52     int buf_deps_alloc_size;
  53 } VulkanQueueCtx;
  54
  55 typedef struct VulkanExecCtx {
  56     VkCommandPool pool;
  57     VkCommandBuffer *bufs;
  58     VulkanQueueCtx *queues;
  59     int nb_queues;
  60     int cur_queue_idx;
  61 } VulkanExecCtx;
  62
  63 typedef struct VulkanDevicePriv {
  64     /* Properties */
  65     VkPhysicalDeviceProperties props;
  66     VkPhysicalDeviceMemoryProperties mprops;
  67
  68     /* Queues */
  69     uint32_t qfs[3];
  70     int num_qfs;
  71
  72     /* Debug callback */
  73     VkDebugUtilsMessengerEXT debug_ctx;
  74
  75     /* Extensions */
  76     uint64_t extensions;
  77
  78     /* Settings */
  79     int use_linear_images;
  80
  81     /* Nvidia */
  82     int dev_is_nvidia;
  83 } VulkanDevicePriv;
  84
  85 typedef struct VulkanFramesPriv {
  86     /* Image conversions */
  87     VulkanExecCtx conv_ctx;
  88
  89     /* Image transfers */
  90     VulkanExecCtx upload_ctx;
  91     VulkanExecCtx download_ctx;
  92 } VulkanFramesPriv;
  93
  94 typedef struct AVVkFrameInternal {
  95 #if CONFIG_CUDA
  96     /* Importing external memory into cuda is really expensive so we keep the
  97      * memory imported all the time */
  98     AVBufferRef *cuda_fc_ref; /* Need to keep it around for uninit */
  99     CUexternalMemory ext_mem[AV_NUM_DATA_POINTERS];
 100     CUmipmappedArray cu_mma[AV_NUM_DATA_POINTERS];
 101     CUarray cu_array[AV_NUM_DATA_POINTERS];
 102     CUexternalSemaphore cu_sem[AV_NUM_DATA_POINTERS];
 103 #endif
 104 } AVVkFrameInternal;
 105
 106 #define GET_QUEUE_COUNT(hwctx, graph, comp, tx) (                   \
 107     graph ?  hwctx->nb_graphics_queues :                            \
 108     comp  ? (hwctx->nb_comp_queues ?                                \
 109              hwctx->nb_comp_queues : hwctx->nb_graphics_queues) :   \
 110     tx    ? (hwctx->nb_tx_queues ? hwctx->nb_tx_queues :            \
 111              (hwctx->nb_comp_queues ?                               \
 112               hwctx->nb_comp_queues : hwctx->nb_graphics_queues)) : \
 113     0                                                               \
 114 )
 115
 116 #define VK_LOAD_PFN(inst, name) PFN_##name pfn_##name = (PFN_##name)           \
 117                                               vkGetInstanceProcAddr(inst, #name)
 118
 119 #define DEFAULT_USAGE_FLAGS (VK_IMAGE_USAGE_SAMPLED_BIT      |                 \
 120                              VK_IMAGE_USAGE_STORAGE_BIT      |                 \
 121                              VK_IMAGE_USAGE_TRANSFER_SRC_BIT |                 \
 122                              VK_IMAGE_USAGE_TRANSFER_DST_BIT)
 123
 124 #define ADD_VAL_TO_LIST(list, count, val)                                      \
 125     do {                                                                       \
 126         list = av_realloc_array(list, sizeof(*list), ++count);                 \
 127         if (!list) {                                                           \
 128             err = AVERROR(ENOMEM);                                             \
 129             goto fail;                                                         \
 130         }                                                                      \
 131         list[count - 1] = av_strdup(val);                                      \
 132         if (!list[count - 1]) {                                                \
 133             err = AVERROR(ENOMEM);                                             \
 134             goto fail;                                                         \
 135         }                                                                      \
 136     } while(0)
 137
 138 static const struct {
 139     enum AVPixelFormat pixfmt;
 140     const VkFormat vkfmts[3];
 141 } vk_pixfmt_map[] = {
 142     { AV_PIX_FMT_GRAY8,   { VK_FORMAT_R8_UNORM } },
 143     { AV_PIX_FMT_GRAY16,  { VK_FORMAT_R16_UNORM } },
 144     { AV_PIX_FMT_GRAYF32, { VK_FORMAT_R32_SFLOAT } },
 145
 146     { AV_PIX_FMT_NV12, { VK_FORMAT_R8_UNORM, VK_FORMAT_R8G8_UNORM } },
 147     { AV_PIX_FMT_P010, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16G16_UNORM } },
 148     { AV_PIX_FMT_P016, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16G16_UNORM } },
 149
 150     { AV_PIX_FMT_YUV420P, { VK_FORMAT_R8_UNORM, VK_FORMAT_R8_UNORM, VK_FORMAT_R8_UNORM } },
 151     { AV_PIX_FMT_YUV422P, { VK_FORMAT_R8_UNORM, VK_FORMAT_R8_UNORM, VK_FORMAT_R8_UNORM } },
 152     { AV_PIX_FMT_YUV444P, { VK_FORMAT_R8_UNORM, VK_FORMAT_R8_UNORM, VK_FORMAT_R8_UNORM } },
 153
 154     { AV_PIX_FMT_YUV420P16, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM } },
 155     { AV_PIX_FMT_YUV422P16, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM } },
 156     { AV_PIX_FMT_YUV444P16, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM } },
 157
 158     { AV_PIX_FMT_ABGR,   { VK_FORMAT_A8B8G8R8_UNORM_PACK32 } },
 159     { AV_PIX_FMT_BGRA,   { VK_FORMAT_B8G8R8A8_UNORM } },
 160     { AV_PIX_FMT_RGBA,   { VK_FORMAT_R8G8B8A8_UNORM } },
 161     { AV_PIX_FMT_RGB24,  { VK_FORMAT_R8G8B8_UNORM } },
 162     { AV_PIX_FMT_BGR24,  { VK_FORMAT_B8G8R8_UNORM } },
 163     { AV_PIX_FMT_RGB48,  { VK_FORMAT_R16G16B16_UNORM } },
 164     { AV_PIX_FMT_RGBA64, { VK_FORMAT_R16G16B16A16_UNORM } },
 165     { AV_PIX_FMT_RGB565, { VK_FORMAT_R5G6B5_UNORM_PACK16 } },
 166     { AV_PIX_FMT_BGR565, { VK_FORMAT_B5G6R5_UNORM_PACK16 } },
 167     { AV_PIX_FMT_BGR0,   { VK_FORMAT_B8G8R8A8_UNORM } },
 168     { AV_PIX_FMT_0BGR,   { VK_FORMAT_A8B8G8R8_UNORM_PACK32 } },
 169     { AV_PIX_FMT_RGB0,   { VK_FORMAT_R8G8B8A8_UNORM } },
 170
 171     { AV_PIX_FMT_GBRPF32, { VK_FORMAT_R32_SFLOAT, VK_FORMAT_R32_SFLOAT, VK_FORMAT_R32_SFLOAT } },
 172 };
 173
 174 const VkFormat *av_vkfmt_from_pixfmt(enum AVPixelFormat p)
 175 {
 176     for (enum AVPixelFormat i = 0; i < FF_ARRAY_ELEMS(vk_pixfmt_map); i++)
 177         if (vk_pixfmt_map[i].pixfmt == p)
 178             return vk_pixfmt_map[i].vkfmts;
 179     return NULL;
 180 }
 181
 182 static int pixfmt_is_supported(AVVulkanDeviceContext *hwctx, enum AVPixelFormat p,
 183                                int linear)
 184 {
 185     const VkFormat *fmt = av_vkfmt_from_pixfmt(p);
 186     int planes = av_pix_fmt_count_planes(p);
 187
 188     if (!fmt)
 189         return 0;
 190
 191     for (int i = 0; i < planes; i++) {
 192         VkFormatFeatureFlags flags;
 193         VkFormatProperties2 prop = {
 194             .sType = VK_STRUCTURE_TYPE_FORMAT_PROPERTIES_2,
 195         };
 196         vkGetPhysicalDeviceFormatProperties2(hwctx->phys_dev, fmt[i], &prop);
 197         flags = linear ? prop.formatProperties.linearTilingFeatures :
 198                          prop.formatProperties.optimalTilingFeatures;
 199         if (!(flags & DEFAULT_USAGE_FLAGS))
 200             return 0;
 201     }
 202
 203     return 1;
 204 }
 205
 206 enum VulkanExtensions {
 207     EXT_EXTERNAL_DMABUF_MEMORY = 1ULL <<  0, /* VK_EXT_external_memory_dma_buf */
 208     EXT_DRM_MODIFIER_FLAGS     = 1ULL <<  1, /* VK_EXT_image_drm_format_modifier */
 209     EXT_EXTERNAL_FD_MEMORY     = 1ULL <<  2, /* VK_KHR_external_memory_fd */
 210     EXT_EXTERNAL_FD_SEM        = 1ULL <<  3, /* VK_KHR_external_semaphore_fd */
 211
 212     EXT_NO_FLAG                = 1ULL << 63,
 213 };
 214
 215 typedef struct VulkanOptExtension {
 216     const char *name;
 217     uint64_t flag;
 218 } VulkanOptExtension;
 219
 220 static const VulkanOptExtension optional_instance_exts[] = {
 221     /* For future use */
 222 };
 223
 224 static const VulkanOptExtension optional_device_exts[] = {
 225     { VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME,               EXT_EXTERNAL_FD_MEMORY,     },
 226     { VK_EXT_EXTERNAL_MEMORY_DMA_BUF_EXTENSION_NAME,          EXT_EXTERNAL_DMABUF_MEMORY, },
 227     { VK_EXT_IMAGE_DRM_FORMAT_MODIFIER_EXTENSION_NAME,        EXT_DRM_MODIFIER_FLAGS,     },
 228     { VK_KHR_EXTERNAL_SEMAPHORE_FD_EXTENSION_NAME,            EXT_EXTERNAL_FD_SEM,        },
 229 };
 230
 231 /* Converts return values to strings */
 232 static const char *vk_ret2str(VkResult res)
 233 {
 234 #define CASE(VAL) case VAL: return #VAL
 235     switch (res) {
 236     CASE(VK_SUCCESS);
 237     CASE(VK_NOT_READY);
 238     CASE(VK_TIMEOUT);
 239     CASE(VK_EVENT_SET);
 240     CASE(VK_EVENT_RESET);
 241     CASE(VK_INCOMPLETE);
 242     CASE(VK_ERROR_OUT_OF_HOST_MEMORY);
 243     CASE(VK_ERROR_OUT_OF_DEVICE_MEMORY);
 244     CASE(VK_ERROR_INITIALIZATION_FAILED);
 245     CASE(VK_ERROR_DEVICE_LOST);
 246     CASE(VK_ERROR_MEMORY_MAP_FAILED);
 247     CASE(VK_ERROR_LAYER_NOT_PRESENT);
 248     CASE(VK_ERROR_EXTENSION_NOT_PRESENT);
 249     CASE(VK_ERROR_FEATURE_NOT_PRESENT);
 250     CASE(VK_ERROR_INCOMPATIBLE_DRIVER);
 251     CASE(VK_ERROR_TOO_MANY_OBJECTS);
 252     CASE(VK_ERROR_FORMAT_NOT_SUPPORTED);
 253     CASE(VK_ERROR_FRAGMENTED_POOL);
 254     CASE(VK_ERROR_SURFACE_LOST_KHR);
 255     CASE(VK_ERROR_NATIVE_WINDOW_IN_USE_KHR);
 256     CASE(VK_SUBOPTIMAL_KHR);
 257     CASE(VK_ERROR_OUT_OF_DATE_KHR);
 258     CASE(VK_ERROR_INCOMPATIBLE_DISPLAY_KHR);
 259     CASE(VK_ERROR_VALIDATION_FAILED_EXT);
 260     CASE(VK_ERROR_INVALID_SHADER_NV);
 261     CASE(VK_ERROR_OUT_OF_POOL_MEMORY);
 262     CASE(VK_ERROR_INVALID_EXTERNAL_HANDLE);
 263     CASE(VK_ERROR_NOT_PERMITTED_EXT);
 264     CASE(VK_ERROR_INVALID_DRM_FORMAT_MODIFIER_PLANE_LAYOUT_EXT);
 265     CASE(VK_ERROR_INVALID_DEVICE_ADDRESS_EXT);
 266     CASE(VK_ERROR_FULL_SCREEN_EXCLUSIVE_MODE_LOST_EXT);
 267     default: return "Unknown error";
 268     }
 269 #undef CASE
 270 }
 271
 272 static VkBool32 vk_dbg_callback(VkDebugUtilsMessageSeverityFlagBitsEXT severity,
 273                                 VkDebugUtilsMessageTypeFlagsEXT messageType,
 274                                 const VkDebugUtilsMessengerCallbackDataEXT *data,
 275                                 void *priv)
 276 {
 277     int l;
 278     AVHWDeviceContext *ctx = priv;
 279
 280     switch (severity) {
 281     case VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT: l = AV_LOG_VERBOSE; break;
 282     case VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT:    l = AV_LOG_INFO;    break;
 283     case VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT: l = AV_LOG_WARNING; break;
 284     case VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT:   l = AV_LOG_ERROR;   break;
 285     default:                                              l = AV_LOG_DEBUG;   break;
 286     }
 287
 288     av_log(ctx, l, "%s\n", data->pMessage);
 289     for (int i = 0; i < data->cmdBufLabelCount; i++)
 290         av_log(ctx, l, "\t%i: %s\n", i, data->pCmdBufLabels[i].pLabelName);
 291
 292     return 0;
 293 }
 294
 295 static int check_extensions(AVHWDeviceContext *ctx, int dev, AVDictionary *opts,
 296                             const char * const **dst, uint32_t *num, int debug)
 297 {
 298     const char *tstr;
 299     const char **extension_names = NULL;
 300     VulkanDevicePriv *p = ctx->internal->priv;
 301     AVVulkanDeviceContext *hwctx = ctx->hwctx;
 302     int err = 0, found, extensions_found = 0;
 303
 304     const char *mod;
 305     int optional_exts_num;
 306     uint32_t sup_ext_count;
 307     char *user_exts_str = NULL;
 308     AVDictionaryEntry *user_exts;
 309     VkExtensionProperties *sup_ext;
 310     const VulkanOptExtension *optional_exts;
 311
 312     if (!dev) {
 313         mod = "instance";
 314         optional_exts = optional_instance_exts;
 315         optional_exts_num = FF_ARRAY_ELEMS(optional_instance_exts);
 316         user_exts = av_dict_get(opts, "instance_extensions", NULL, 0);
 317         if (user_exts) {
 318             user_exts_str = av_strdup(user_exts->value);
 319             if (!user_exts_str) {
 320                 err = AVERROR(ENOMEM);
 321                 goto fail;
 322             }
 323         }
 324         vkEnumerateInstanceExtensionProperties(NULL, &sup_ext_count, NULL);
 325         sup_ext = av_malloc_array(sup_ext_count, sizeof(VkExtensionProperties));
 326         if (!sup_ext)
 327             return AVERROR(ENOMEM);
 328         vkEnumerateInstanceExtensionProperties(NULL, &sup_ext_count, sup_ext);
 329     } else {
 330         mod = "device";
 331         optional_exts = optional_device_exts;
 332         optional_exts_num = FF_ARRAY_ELEMS(optional_device_exts);
 333         user_exts = av_dict_get(opts, "device_extensions", NULL, 0);
 334         if (user_exts) {
 335             user_exts_str = av_strdup(user_exts->value);
 336             if (!user_exts_str) {
 337                 err = AVERROR(ENOMEM);
 338                 goto fail;
 339             }
 340         }
 341         vkEnumerateDeviceExtensionProperties(hwctx->phys_dev, NULL,
 342                                              &sup_ext_count, NULL);
 343         sup_ext = av_malloc_array(sup_ext_count, sizeof(VkExtensionProperties));
 344         if (!sup_ext)
 345             return AVERROR(ENOMEM);
 346         vkEnumerateDeviceExtensionProperties(hwctx->phys_dev, NULL,
 347                                              &sup_ext_count, sup_ext);
 348     }
 349
 350     for (int i = 0; i < optional_exts_num; i++) {
 351         tstr = optional_exts[i].name;
 352         found = 0;
 353         for (int j = 0; j < sup_ext_count; j++) {
 354             if (!strcmp(tstr, sup_ext[j].extensionName)) {
 355                 found = 1;
 356                 break;
 357             }
 358         }
 359         if (!found)
 360             continue;
 361
 362         av_log(ctx, AV_LOG_VERBOSE, "Using %s extension \"%s\"\n", mod, tstr);
 363         p->extensions |= optional_exts[i].flag;
 364         ADD_VAL_TO_LIST(extension_names, extensions_found, tstr);
 365     }
 366
 367     if (debug && !dev) {
 368         tstr = VK_EXT_DEBUG_UTILS_EXTENSION_NAME;
 369         found = 0;
 370         for (int j = 0; j < sup_ext_count; j++) {
 371             if (!strcmp(tstr, sup_ext[j].extensionName)) {
 372                 found = 1;
 373                 break;
 374             }
 375         }
 376         if (found) {
 377             av_log(ctx, AV_LOG_VERBOSE, "Using %s extension \"%s\"\n", mod, tstr);
 378             ADD_VAL_TO_LIST(extension_names, extensions_found, tstr);
 379         } else {
 380             av_log(ctx, AV_LOG_ERROR, "Debug extension \"%s\" not found!\n",
 381                    tstr);
 382             err = AVERROR(EINVAL);
 383             goto fail;
 384         }
 385     }
 386
 387     if (user_exts_str) {
 388         char *save, *token = av_strtok(user_exts_str, "+", &save);
 389         while (token) {
 390             found = 0;
 391             for (int j = 0; j < sup_ext_count; j++) {
 392                 if (!strcmp(token, sup_ext[j].extensionName)) {
 393                     found = 1;
 394                     break;
 395                 }
 396             }
 397             if (found) {
 398                 av_log(ctx, AV_LOG_VERBOSE, "Using %s extension \"%s\"\n", mod, token);
 399                 ADD_VAL_TO_LIST(extension_names, extensions_found, token);
 400             } else {
 401                 av_log(ctx, AV_LOG_WARNING, "%s extension \"%s\" not found, excluding.\n",
 402                        mod, token);
 403             }
 404             token = av_strtok(NULL, "+", &save);
 405         }
 406     }
 407
 408     *dst = extension_names;
 409     *num = extensions_found;
 410
 411     av_free(user_exts_str);
 412     av_free(sup_ext);
 413     return 0;
 414
 415 fail:
 416     if (extension_names)
 417         for (int i = 0; i < extensions_found; i++)
 418             av_free((void *)extension_names[i]);
 419     av_free(extension_names);
 420     av_free(user_exts_str);
 421     av_free(sup_ext);
 422     return err;
 423 }
 424
 425 /* Creates a VkInstance */
 426 static int create_instance(AVHWDeviceContext *ctx, AVDictionary *opts)
 427 {
 428     int err = 0;
 429     VkResult ret;
 430     VulkanDevicePriv *p = ctx->internal->priv;
 431     AVVulkanDeviceContext *hwctx = ctx->hwctx;
 432     AVDictionaryEntry *debug_opt = av_dict_get(opts, "debug", NULL, 0);
 433     const int debug_mode = debug_opt && strtol(debug_opt->value, NULL, 10);
 434     VkApplicationInfo application_info = {
 435         .sType              = VK_STRUCTURE_TYPE_APPLICATION_INFO,
 436         .pEngineName        = "libavutil",
 437         .apiVersion         = VK_API_VERSION_1_1,
 438         .engineVersion      = VK_MAKE_VERSION(LIBAVUTIL_VERSION_MAJOR,
 439                                               LIBAVUTIL_VERSION_MINOR,
 440                                               LIBAVUTIL_VERSION_MICRO),
 441     };
 442     VkInstanceCreateInfo inst_props = {
 443         .sType            = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
 444         .pApplicationInfo = &application_info,
 445     };
 446
 447     /* Check for present/missing extensions */
 448     err = check_extensions(ctx, 0, opts, &inst_props.ppEnabledExtensionNames,
 449                            &inst_props.enabledExtensionCount, debug_mode);
 450     if (err < 0)
 451         return err;
 452
 453     if (debug_mode) {
 454         static const char *layers[] = { "VK_LAYER_KHRONOS_validation" };
 455         inst_props.ppEnabledLayerNames = layers;
 456         inst_props.enabledLayerCount = FF_ARRAY_ELEMS(layers);
 457     }
 458
 459     /* Try to create the instance */
 460     ret = vkCreateInstance(&inst_props, hwctx->alloc, &hwctx->inst);
 461
 462     /* Check for errors */
 463     if (ret != VK_SUCCESS) {
 464         av_log(ctx, AV_LOG_ERROR, "Instance creation failure: %s\n",
 465                vk_ret2str(ret));
 466         for (int i = 0; i < inst_props.enabledExtensionCount; i++)
 467             av_free((void *)inst_props.ppEnabledExtensionNames[i]);
 468         av_free((void *)inst_props.ppEnabledExtensionNames);
 469         return AVERROR_EXTERNAL;
 470     }
 471
 472     if (debug_mode) {
 473         VkDebugUtilsMessengerCreateInfoEXT dbg = {
 474             .sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT,
 475             .messageSeverity = VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT |
 476                                VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT    |
 477                                VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT |
 478                                VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT,
 479             .messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT    |
 480                            VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT |
 481                            VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT,
 482             .pfnUserCallback = vk_dbg_callback,
 483             .pUserData = ctx,
 484         };
 485         VK_LOAD_PFN(hwctx->inst, vkCreateDebugUtilsMessengerEXT);
 486
 487         pfn_vkCreateDebugUtilsMessengerEXT(hwctx->inst, &dbg,
 488                                            hwctx->alloc, &p->debug_ctx);
 489     }
 490
 491     hwctx->enabled_inst_extensions = inst_props.ppEnabledExtensionNames;
 492     hwctx->nb_enabled_inst_extensions = inst_props.enabledExtensionCount;
 493
 494     return 0;
 495 }
 496
 497 typedef struct VulkanDeviceSelection {
 498     uint8_t uuid[VK_UUID_SIZE]; /* Will use this first unless !has_uuid */
 499     int has_uuid;
 500     const char *name; /* Will use this second unless NULL */
 501     uint32_t pci_device; /* Will use this third unless 0x0 */
 502     uint32_t vendor_id; /* Last resort to find something deterministic */
 503     int index; /* Finally fall back to index */
 504 } VulkanDeviceSelection;
 505
 506 static const char *vk_dev_type(enum VkPhysicalDeviceType type)
 507 {
 508     switch (type) {
 509     case VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU: return "integrated";
 510     case VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU:   return "discrete";
 511     case VK_PHYSICAL_DEVICE_TYPE_VIRTUAL_GPU:    return "virtual";
 512     case VK_PHYSICAL_DEVICE_TYPE_CPU:            return "software";
 513     default:                                     return "unknown";
 514     }
 515 }
 516
 517 /* Finds a device */
 518 static int find_device(AVHWDeviceContext *ctx, VulkanDeviceSelection *select)
 519 {
 520     int err = 0, choice = -1;
 521     uint32_t num;
 522     VkResult ret;
 523     VkPhysicalDevice *devices = NULL;
 524     VkPhysicalDeviceIDProperties *idp = NULL;
 525     VkPhysicalDeviceProperties2 *prop = NULL;
 526     AVVulkanDeviceContext *hwctx = ctx->hwctx;
 527
 528     ret = vkEnumeratePhysicalDevices(hwctx->inst, &num, NULL);
 529     if (ret != VK_SUCCESS || !num) {
 530         av_log(ctx, AV_LOG_ERROR, "No devices found: %s!\n", vk_ret2str(ret));
 531         return AVERROR(ENODEV);
 532     }
 533
 534     devices = av_malloc_array(num, sizeof(VkPhysicalDevice));
 535     if (!devices)
 536         return AVERROR(ENOMEM);
 537
 538     ret = vkEnumeratePhysicalDevices(hwctx->inst, &num, devices);
 539     if (ret != VK_SUCCESS) {
 540         av_log(ctx, AV_LOG_ERROR, "Failed enumerating devices: %s\n",
 541                vk_ret2str(ret));
 542         err = AVERROR(ENODEV);
 543         goto end;
 544     }
 545
 546     prop = av_mallocz_array(num, sizeof(*prop));
 547     if (!prop) {
 548         err = AVERROR(ENOMEM);
 549         goto end;
 550     }
 551
 552     idp = av_mallocz_array(num, sizeof(*idp));
 553     if (!idp) {
 554         err = AVERROR(ENOMEM);
 555         goto end;
 556     }
 557
 558     av_log(ctx, AV_LOG_VERBOSE, "GPU listing:\n");
 559     for (int i = 0; i < num; i++) {
 560         idp[i].sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ID_PROPERTIES;
 561         prop[i].sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
 562         prop[i].pNext = &idp[i];
 563
 564         vkGetPhysicalDeviceProperties2(devices[i], &prop[i]);
 565         av_log(ctx, AV_LOG_VERBOSE, "    %d: %s (%s) (0x%x)\n", i,
 566                prop[i].properties.deviceName,
 567                vk_dev_type(prop[i].properties.deviceType),
 568                prop[i].properties.deviceID);
 569     }
 570
 571     if (select->has_uuid) {
 572         for (int i = 0; i < num; i++) {
 573             if (!strncmp(idp[i].deviceUUID, select->uuid, VK_UUID_SIZE)) {
 574                 choice = i;
 575                 goto end;
 576              }
 577         }
 578         av_log(ctx, AV_LOG_ERROR, "Unable to find device by given UUID!\n");
 579         err = AVERROR(ENODEV);
 580         goto end;
 581     } else if (select->name) {
 582         av_log(ctx, AV_LOG_VERBOSE, "Requested device: %s\n", select->name);
 583         for (int i = 0; i < num; i++) {
 584             if (strstr(prop[i].properties.deviceName, select->name)) {
 585                 choice = i;
 586                 goto end;
 587              }
 588         }
 589         av_log(ctx, AV_LOG_ERROR, "Unable to find device \"%s\"!\n",
 590                select->name);
 591         err = AVERROR(ENODEV);
 592         goto end;
 593     } else if (select->pci_device) {
 594         av_log(ctx, AV_LOG_VERBOSE, "Requested device: 0x%x\n", select->pci_device);
 595         for (int i = 0; i < num; i++) {
 596             if (select->pci_device == prop[i].properties.deviceID) {
 597                 choice = i;
 598                 goto end;
 599             }
 600         }
 601         av_log(ctx, AV_LOG_ERROR, "Unable to find device with PCI ID 0x%x!\n",
 602                select->pci_device);
 603         err = AVERROR(EINVAL);
 604         goto end;
 605     } else if (select->vendor_id) {
 606         av_log(ctx, AV_LOG_VERBOSE, "Requested vendor: 0x%x\n", select->vendor_id);
 607         for (int i = 0; i < num; i++) {
 608             if (select->vendor_id == prop[i].properties.vendorID) {
 609                 choice = i;
 610                 goto end;
 611             }
 612         }
 613         av_log(ctx, AV_LOG_ERROR, "Unable to find device with Vendor ID 0x%x!\n",
 614                select->vendor_id);
 615         err = AVERROR(ENODEV);
 616         goto end;
 617     } else {
 618         if (select->index < num) {
 619             choice = select->index;
 620             goto end;
 621         }
 622         av_log(ctx, AV_LOG_ERROR, "Unable to find device with index %i!\n",
 623                select->index);
 624         err = AVERROR(ENODEV);
 625         goto end;
 626     }
 627
 628 end:
 629     if (choice > -1)
 630         hwctx->phys_dev = devices[choice];
 631
 632     av_free(devices);
 633     av_free(prop);
 634     av_free(idp);
 635
 636     return err;
 637 }
 638
 639 static int search_queue_families(AVHWDeviceContext *ctx, VkDeviceCreateInfo *cd)
 640 {
 641     uint32_t num;
 642     float *weights;
 643     VkQueueFamilyProperties *qs = NULL;
 644     AVVulkanDeviceContext *hwctx = ctx->hwctx;
 645     int graph_index = -1, comp_index = -1, tx_index = -1;
 646     VkDeviceQueueCreateInfo *pc = (VkDeviceQueueCreateInfo *)cd->pQueueCreateInfos;
 647
 648     /* First get the number of queue families */
 649     vkGetPhysicalDeviceQueueFamilyProperties(hwctx->phys_dev, &num, NULL);
 650     if (!num) {
 651         av_log(ctx, AV_LOG_ERROR, "Failed to get queues!\n");
 652         return AVERROR_EXTERNAL;
 653     }
 654
 655     /* Then allocate memory */
 656     qs = av_malloc_array(num, sizeof(VkQueueFamilyProperties));
 657     if (!qs)
 658         return AVERROR(ENOMEM);
 659
 660     /* Finally retrieve the queue families */
 661     vkGetPhysicalDeviceQueueFamilyProperties(hwctx->phys_dev, &num, qs);
 662
 663 #define SEARCH_FLAGS(expr, out)                                                \
 664     for (int i = 0; i < num; i++) {                                            \
 665         const VkQueueFlagBits flags = qs[i].queueFlags;                        \
 666         if (expr) {                                                            \
 667             out = i;                                                           \
 668             break;                                                             \
 669         }                                                                      \
 670     }
 671
 672     SEARCH_FLAGS(flags & VK_QUEUE_GRAPHICS_BIT, graph_index)
 673
 674     SEARCH_FLAGS((flags &  VK_QUEUE_COMPUTE_BIT) && (i != graph_index),
 675                  comp_index)
 676
 677     SEARCH_FLAGS((flags & VK_QUEUE_TRANSFER_BIT) && (i != graph_index) &&
 678                  (i != comp_index), tx_index)
 679
 680 #undef SEARCH_FLAGS
 681 #define ADD_QUEUE(fidx, graph, comp, tx)                                                 \
 682     av_log(ctx, AV_LOG_VERBOSE, "Using queue family %i (total queues: %i) for %s%s%s\n", \
 683            fidx, qs[fidx].queueCount, graph ? "graphics " : "",                          \
 684            comp ? "compute " : "", tx ? "transfers " : "");                              \
 685     av_log(ctx, AV_LOG_VERBOSE, "    QF %i flags: %s%s%s%s\n", fidx,                     \
 686            ((qs[fidx].queueFlags) & VK_QUEUE_GRAPHICS_BIT) ? "(graphics) " : "",         \
 687            ((qs[fidx].queueFlags) & VK_QUEUE_COMPUTE_BIT) ? "(compute) " : "",           \
 688            ((qs[fidx].queueFlags) & VK_QUEUE_TRANSFER_BIT) ? "(transfers) " : "",        \
 689            ((qs[fidx].queueFlags) & VK_QUEUE_SPARSE_BINDING_BIT) ? "(sparse) " : "");    \
 690     pc[cd->queueCreateInfoCount].queueFamilyIndex = fidx;                                \
 691     pc[cd->queueCreateInfoCount].queueCount = qs[fidx].queueCount;                       \
 692     weights = av_malloc(qs[fidx].queueCount * sizeof(float));                            \
 693     pc[cd->queueCreateInfoCount].pQueuePriorities = weights;                             \
 694     if (!weights)                                                                        \
 695         goto fail;                                                                       \
 696     for (int i = 0; i < qs[fidx].queueCount; i++)                                        \
 697         weights[i] = 1.0f;                                                               \
 698     cd->queueCreateInfoCount++;
 699
 700     ADD_QUEUE(graph_index, 1, comp_index < 0, tx_index < 0 && comp_index < 0)
 701     hwctx->queue_family_index      = graph_index;
 702     hwctx->queue_family_comp_index = graph_index;
 703     hwctx->queue_family_tx_index   = graph_index;
 704     hwctx->nb_graphics_queues      = qs[graph_index].queueCount;
 705
 706     if (comp_index != -1) {
 707         ADD_QUEUE(comp_index, 0, 1, tx_index < 0)
 708         hwctx->queue_family_tx_index   = comp_index;
 709         hwctx->queue_family_comp_index = comp_index;
 710         hwctx->nb_comp_queues          = qs[comp_index].queueCount;
 711     }
 712
 713     if (tx_index != -1) {
 714         ADD_QUEUE(tx_index, 0, 0, 1)
 715         hwctx->queue_family_tx_index = tx_index;
 716         hwctx->nb_tx_queues          = qs[tx_index].queueCount;
 717     }
 718
 719 #undef ADD_QUEUE
 720     av_free(qs);
 721
 722     return 0;
 723
 724 fail:
 725     av_freep(&pc[0].pQueuePriorities);
 726     av_freep(&pc[1].pQueuePriorities);
 727     av_freep(&pc[2].pQueuePriorities);
 728     av_free(qs);
 729
 730     return AVERROR(ENOMEM);
 731 }
 732
 733 static int create_exec_ctx(AVHWFramesContext *hwfc, VulkanExecCtx *cmd,
 734                            int queue_family_index, int num_queues)
 735 {
 736     VkResult ret;
 737     AVVulkanDeviceContext *hwctx = hwfc->device_ctx->hwctx;
 738
 739     VkCommandPoolCreateInfo cqueue_create = {
 740         .sType              = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
 741         .flags              = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT,
 742         .queueFamilyIndex   = queue_family_index,
 743     };
 744     VkCommandBufferAllocateInfo cbuf_create = {
 745         .sType              = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
 746         .level              = VK_COMMAND_BUFFER_LEVEL_PRIMARY,
 747         .commandBufferCount = num_queues,
 748     };
 749
 750     cmd->nb_queues = num_queues;
 751
 752     cmd->queues = av_mallocz(num_queues * sizeof(*cmd->queues));
 753     if (!cmd->queues)
 754         return AVERROR(ENOMEM);
 755
 756     cmd->bufs = av_mallocz(num_queues * sizeof(*cmd->bufs));
 757     if (!cmd->bufs)
 758         return AVERROR(ENOMEM);
 759
 760     /* Create command pool */
 761     ret = vkCreateCommandPool(hwctx->act_dev, &cqueue_create,
 762                               hwctx->alloc, &cmd->pool);
 763     if (ret != VK_SUCCESS) {
 764         av_log(hwfc, AV_LOG_ERROR, "Command pool creation failure: %s\n",
 765                vk_ret2str(ret));
 766         return AVERROR_EXTERNAL;
 767     }
 768
 769     cbuf_create.commandPool = cmd->pool;
 770
 771     /* Allocate command buffer */
 772     ret = vkAllocateCommandBuffers(hwctx->act_dev, &cbuf_create, cmd->bufs);
 773     if (ret != VK_SUCCESS) {
 774         av_log(hwfc, AV_LOG_ERROR, "Command buffer alloc failure: %s\n",
 775                vk_ret2str(ret));
 776         return AVERROR_EXTERNAL;
 777     }
 778
 779     for (int i = 0; i < num_queues; i++) {
 780         VulkanQueueCtx *q = &cmd->queues[i];
 781         vkGetDeviceQueue(hwctx->act_dev, queue_family_index, i, &q->queue);
 782         q->was_synchronous = 1;
 783     }
 784
 785     return 0;
 786 }
 787
 788 static void free_exec_ctx(AVHWFramesContext *hwfc, VulkanExecCtx *cmd)
 789 {
 790     AVVulkanDeviceContext *hwctx = hwfc->device_ctx->hwctx;
 791
 792     /* Make sure all queues have finished executing */
 793     for (int i = 0; i < cmd->nb_queues; i++) {
 794         VulkanQueueCtx *q = &cmd->queues[i];
 795
 796         if (q->fence && !q->was_synchronous) {
 797             vkWaitForFences(hwctx->act_dev, 1, &q->fence, VK_TRUE, UINT64_MAX);
 798             vkResetFences(hwctx->act_dev, 1, &q->fence);
 799         }
 800
 801         /* Free the fence */
 802         if (q->fence)
 803             vkDestroyFence(hwctx->act_dev, q->fence, hwctx->alloc);
 804
 805         /* Free buffer dependencies */
 806         for (int j = 0; j < q->nb_buf_deps; j++)
 807             av_buffer_unref(&q->buf_deps[j]);
 808         av_free(q->buf_deps);
 809     }
 810
 811     if (cmd->bufs)
 812         vkFreeCommandBuffers(hwctx->act_dev, cmd->pool, cmd->nb_queues, cmd->bufs);
 813     if (cmd->pool)
 814         vkDestroyCommandPool(hwctx->act_dev, cmd->pool, hwctx->alloc);
 815
 816     av_freep(&cmd->bufs);
 817     av_freep(&cmd->queues);
 818 }
 819
 820 static VkCommandBuffer get_buf_exec_ctx(AVHWFramesContext *hwfc, VulkanExecCtx *cmd)
 821 {
 822     return cmd->bufs[cmd->cur_queue_idx];
 823 }
 824
 825 static void unref_exec_ctx_deps(AVHWFramesContext *hwfc, VulkanExecCtx *cmd)
 826 {
 827     VulkanQueueCtx *q = &cmd->queues[cmd->cur_queue_idx];
 828
 829     for (int j = 0; j < q->nb_buf_deps; j++)
 830         av_buffer_unref(&q->buf_deps[j]);
 831     q->nb_buf_deps = 0;
 832 }
 833
 834 static int wait_start_exec_ctx(AVHWFramesContext *hwfc, VulkanExecCtx *cmd)
 835 {
 836     VkResult ret;
 837     AVVulkanDeviceContext *hwctx = hwfc->device_ctx->hwctx;
 838     VulkanQueueCtx *q = &cmd->queues[cmd->cur_queue_idx];
 839
 840     VkCommandBufferBeginInfo cmd_start = {
 841         .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
 842         .flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT,
 843     };
 844
 845     /* Create the fence and don't wait for it initially */
 846     if (!q->fence) {
 847         VkFenceCreateInfo fence_spawn = {
 848             .sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,
 849         };
 850         ret = vkCreateFence(hwctx->act_dev, &fence_spawn, hwctx->alloc,
 851                             &q->fence);
 852         if (ret != VK_SUCCESS) {
 853             av_log(hwfc, AV_LOG_ERROR, "Failed to queue frame fence: %s\n",
 854                    vk_ret2str(ret));
 855             return AVERROR_EXTERNAL;
 856         }
 857     } else if (!q->was_synchronous) {
 858         vkWaitForFences(hwctx->act_dev, 1, &q->fence, VK_TRUE, UINT64_MAX);
 859         vkResetFences(hwctx->act_dev, 1, &q->fence);
 860     }
 861
 862     /* Discard queue dependencies */
 863     unref_exec_ctx_deps(hwfc, cmd);
 864
 865     ret = vkBeginCommandBuffer(cmd->bufs[cmd->cur_queue_idx], &cmd_start);
 866     if (ret != VK_SUCCESS) {
 867         av_log(hwfc, AV_LOG_ERROR, "Unable to init command buffer: %s\n",
 868                vk_ret2str(ret));
 869         return AVERROR_EXTERNAL;
 870     }
 871
 872     return 0;
 873 }
 874
 875 static int add_buf_dep_exec_ctx(AVHWFramesContext *hwfc, VulkanExecCtx *cmd,
 876                                 AVBufferRef * const *deps, int nb_deps)
 877 {
 878     AVBufferRef **dst;
 879     VulkanQueueCtx *q = &cmd->queues[cmd->cur_queue_idx];
 880
 881     if (!deps || !nb_deps)
 882         return 0;
 883
 884     dst = av_fast_realloc(q->buf_deps, &q->buf_deps_alloc_size,
 885                           (q->nb_buf_deps + nb_deps) * sizeof(*dst));
 886     if (!dst)
 887         goto err;
 888
 889     q->buf_deps = dst;
 890
 891     for (int i = 0; i < nb_deps; i++) {
 892         q->buf_deps[q->nb_buf_deps] = av_buffer_ref(deps[i]);
 893         if (!q->buf_deps[q->nb_buf_deps])
 894             goto err;
 895         q->nb_buf_deps++;
 896     }
 897
 898     return 0;
 899
 900 err:
 901     unref_exec_ctx_deps(hwfc, cmd);
 902     return AVERROR(ENOMEM);
 903 }
 904
 905 static int submit_exec_ctx(AVHWFramesContext *hwfc, VulkanExecCtx *cmd,
 906                            VkSubmitInfo *s_info, int synchronous)
 907 {
 908     VkResult ret;
 909     VulkanQueueCtx *q = &cmd->queues[cmd->cur_queue_idx];
 910
 911     ret = vkEndCommandBuffer(cmd->bufs[cmd->cur_queue_idx]);
 912     if (ret != VK_SUCCESS) {
 913         av_log(hwfc, AV_LOG_ERROR, "Unable to finish command buffer: %s\n",
 914                vk_ret2str(ret));
 915         unref_exec_ctx_deps(hwfc, cmd);
 916         return AVERROR_EXTERNAL;
 917     }
 918
 919     s_info->pCommandBuffers = &cmd->bufs[cmd->cur_queue_idx];
 920     s_info->commandBufferCount = 1;
 921
 922     ret = vkQueueSubmit(q->queue, 1, s_info, q->fence);
 923     if (ret != VK_SUCCESS) {
 924         unref_exec_ctx_deps(hwfc, cmd);
 925         return AVERROR_EXTERNAL;
 926     }
 927
 928     q->was_synchronous = synchronous;
 929
 930     if (synchronous) {
 931         AVVulkanDeviceContext *hwctx = hwfc->device_ctx->hwctx;
 932         vkWaitForFences(hwctx->act_dev, 1, &q->fence, VK_TRUE, UINT64_MAX);
 933         vkResetFences(hwctx->act_dev, 1, &q->fence);
 934         unref_exec_ctx_deps(hwfc, cmd);
 935     } else { /* Rotate queues */
 936         cmd->cur_queue_idx = (cmd->cur_queue_idx + 1) % cmd->nb_queues;
 937     }
 938
 939     return 0;
 940 }
 941
 942 static void vulkan_device_free(AVHWDeviceContext *ctx)
 943 {
 944     VulkanDevicePriv *p = ctx->internal->priv;
 945     AVVulkanDeviceContext *hwctx = ctx->hwctx;
 946
 947     vkDestroyDevice(hwctx->act_dev, hwctx->alloc);
 948
 949     if (p->debug_ctx) {
 950         VK_LOAD_PFN(hwctx->inst, vkDestroyDebugUtilsMessengerEXT);
 951         pfn_vkDestroyDebugUtilsMessengerEXT(hwctx->inst, p->debug_ctx,
 952                                             hwctx->alloc);
 953     }
 954
 955     vkDestroyInstance(hwctx->inst, hwctx->alloc);
 956
 957     for (int i = 0; i < hwctx->nb_enabled_inst_extensions; i++)
 958         av_free((void *)hwctx->enabled_inst_extensions[i]);
 959     av_free((void *)hwctx->enabled_inst_extensions);
 960
 961     for (int i = 0; i < hwctx->nb_enabled_dev_extensions; i++)
 962         av_free((void *)hwctx->enabled_dev_extensions[i]);
 963     av_free((void *)hwctx->enabled_dev_extensions);
 964 }
 965
 966 static int vulkan_device_create_internal(AVHWDeviceContext *ctx,
 967                                          VulkanDeviceSelection *dev_select,
 968                                          AVDictionary *opts, int flags)
 969 {
 970     int err = 0;
 971     VkResult ret;
 972     AVDictionaryEntry *opt_d;
 973     VulkanDevicePriv *p = ctx->internal->priv;
 974     AVVulkanDeviceContext *hwctx = ctx->hwctx;
 975     VkPhysicalDeviceFeatures dev_features = { 0 };
 976     VkDeviceQueueCreateInfo queue_create_info[3] = {
 977         { .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, },
 978         { .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, },
 979         { .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, },
 980     };
 981
 982     VkDeviceCreateInfo dev_info = {
 983         .sType                = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
 984         .pNext                = &hwctx->device_features,
 985         .pQueueCreateInfos    = queue_create_info,
 986         .queueCreateInfoCount = 0,
 987     };
 988
 989     hwctx->device_features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2;
 990     ctx->free = vulkan_device_free;
 991
 992     /* Create an instance if not given one */
 993     if ((err = create_instance(ctx, opts)))
 994         goto end;
 995
 996     /* Find a device (if not given one) */
 997     if ((err = find_device(ctx, dev_select)))
 998         goto end;
 999
1000     vkGetPhysicalDeviceFeatures(hwctx->phys_dev, &dev_features);
1001 #define COPY_FEATURE(DST, NAME) (DST).features.NAME = dev_features.NAME;
1002     COPY_FEATURE(hwctx->device_features, shaderImageGatherExtended)
1003     COPY_FEATURE(hwctx->device_features, fragmentStoresAndAtomics)
1004     COPY_FEATURE(hwctx->device_features, vertexPipelineStoresAndAtomics)
1005     COPY_FEATURE(hwctx->device_features, shaderInt64)
1006 #undef COPY_FEATURE
1007
1008     /* Search queue family */
1009     if ((err = search_queue_families(ctx, &dev_info)))
1010         goto end;
1011
1012     if ((err = check_extensions(ctx, 1, opts, &dev_info.ppEnabledExtensionNames,
1013                                 &dev_info.enabledExtensionCount, 0))) {
1014         av_free((void *)queue_create_info[0].pQueuePriorities);
1015         av_free((void *)queue_create_info[1].pQueuePriorities);
1016         av_free((void *)queue_create_info[2].pQueuePriorities);
1017         goto end;
1018     }
1019
1020     ret = vkCreateDevice(hwctx->phys_dev, &dev_info, hwctx->alloc,
1021                          &hwctx->act_dev);
1022
1023     av_free((void *)queue_create_info[0].pQueuePriorities);
1024     av_free((void *)queue_create_info[1].pQueuePriorities);
1025     av_free((void *)queue_create_info[2].pQueuePriorities);
1026
1027     if (ret != VK_SUCCESS) {
1028         av_log(ctx, AV_LOG_ERROR, "Device creation failure: %s\n",
1029                vk_ret2str(ret));
1030         for (int i = 0; i < dev_info.enabledExtensionCount; i++)
1031             av_free((void *)dev_info.ppEnabledExtensionNames[i]);
1032         av_free((void *)dev_info.ppEnabledExtensionNames);
1033         err = AVERROR_EXTERNAL;
1034         goto end;
1035     }
1036
1037     /* Tiled images setting, use them by default */
1038     opt_d = av_dict_get(opts, "linear_images", NULL, 0);
1039     if (opt_d)
1040         p->use_linear_images = strtol(opt_d->value, NULL, 10);
1041
1042     hwctx->enabled_dev_extensions = dev_info.ppEnabledExtensionNames;
1043     hwctx->nb_enabled_dev_extensions = dev_info.enabledExtensionCount;
1044
1045 end:
1046     return err;
1047 }
1048
1049 static int vulkan_device_init(AVHWDeviceContext *ctx)
1050 {
1051     uint32_t queue_num;
1052     AVVulkanDeviceContext *hwctx = ctx->hwctx;
1053     VulkanDevicePriv *p = ctx->internal->priv;
1054
1055     vkGetPhysicalDeviceProperties(hwctx->phys_dev, &p->props);
1056     av_log(ctx, AV_LOG_VERBOSE, "Using device: %s\n", p->props.deviceName);
1057     av_log(ctx, AV_LOG_VERBOSE, "Alignments:\n");
1058     av_log(ctx, AV_LOG_VERBOSE, "    optimalBufferCopyOffsetAlignment:   %li\n",
1059            p->props.limits.optimalBufferCopyOffsetAlignment);
1060     av_log(ctx, AV_LOG_VERBOSE, "    optimalBufferCopyRowPitchAlignment: %li\n",
1061            p->props.limits.optimalBufferCopyRowPitchAlignment);
1062     av_log(ctx, AV_LOG_VERBOSE, "    minMemoryMapAlignment:              %li\n",
1063            p->props.limits.minMemoryMapAlignment);
1064
1065     /* Set device extension flags */
1066     for (int i = 0; i < hwctx->nb_enabled_dev_extensions; i++) {
1067         for (int j = 0; j < FF_ARRAY_ELEMS(optional_device_exts); j++) {
1068             if (!strcmp(hwctx->enabled_dev_extensions[i],
1069                         optional_device_exts[j].name)) {
1070                 av_log(ctx, AV_LOG_VERBOSE, "Using device extension %s\n",
1071                        hwctx->enabled_dev_extensions[i]);
1072                 p->extensions |= optional_device_exts[j].flag;
1073                 break;
1074             }
1075         }
1076     }
1077
1078     p->dev_is_nvidia = (p->props.vendorID == 0x10de);
1079
1080     vkGetPhysicalDeviceQueueFamilyProperties(hwctx->phys_dev, &queue_num, NULL);
1081     if (!queue_num) {
1082         av_log(ctx, AV_LOG_ERROR, "Failed to get queues!\n");
1083         return AVERROR_EXTERNAL;
1084     }
1085
1086 #define CHECK_QUEUE(type, n)                                                         \
1087 if (n >= queue_num) {                                                                \
1088     av_log(ctx, AV_LOG_ERROR, "Invalid %s queue index %i (device has %i queues)!\n", \
1089            type, n, queue_num);                                                      \
1090     return AVERROR(EINVAL);                                                          \
1091 }
1092
1093     CHECK_QUEUE("graphics", hwctx->queue_family_index)
1094     CHECK_QUEUE("upload",   hwctx->queue_family_tx_index)
1095     CHECK_QUEUE("compute",  hwctx->queue_family_comp_index)
1096
1097 #undef CHECK_QUEUE
1098
1099     p->qfs[p->num_qfs++] = hwctx->queue_family_index;
1100     if ((hwctx->queue_family_tx_index != hwctx->queue_family_index) &&
1101         (hwctx->queue_family_tx_index != hwctx->queue_family_comp_index))
1102         p->qfs[p->num_qfs++] = hwctx->queue_family_tx_index;
1103     if ((hwctx->queue_family_comp_index != hwctx->queue_family_index) &&
1104         (hwctx->queue_family_comp_index != hwctx->queue_family_tx_index))
1105         p->qfs[p->num_qfs++] = hwctx->queue_family_comp_index;
1106
1107     /* Get device capabilities */
1108     vkGetPhysicalDeviceMemoryProperties(hwctx->phys_dev, &p->mprops);
1109
1110     return 0;
1111 }
1112
1113 static int vulkan_device_create(AVHWDeviceContext *ctx, const char *device,
1114                                 AVDictionary *opts, int flags)
1115 {
1116     VulkanDeviceSelection dev_select = { 0 };
1117     if (device && device[0]) {
1118         char *end = NULL;
1119         dev_select.index = strtol(device, &end, 10);
1120         if (end == device) {
1121             dev_select.index = 0;
1122             dev_select.name  = device;
1123         }
1124     }
1125
1126     return vulkan_device_create_internal(ctx, &dev_select, opts, flags);
1127 }
1128
1129 static int vulkan_device_derive(AVHWDeviceContext *ctx,
1130                                 AVHWDeviceContext *src_ctx,
1131                                 AVDictionary *opts, int flags)
1132 {
1133     av_unused VulkanDeviceSelection dev_select = { 0 };
1134
1135     /* If there's only one device on the system, then even if its not covered
1136      * by the following checks (e.g. non-PCIe ARM GPU), having an empty
1137      * dev_select will mean it'll get picked. */
1138     switch(src_ctx->type) {
1139 #if CONFIG_LIBDRM
1140 #if CONFIG_VAAPI
1141     case AV_HWDEVICE_TYPE_VAAPI: {
1142         AVVAAPIDeviceContext *src_hwctx = src_ctx->hwctx;
1143
1144         const char *vendor = vaQueryVendorString(src_hwctx->display);
1145         if (!vendor) {
1146             av_log(ctx, AV_LOG_ERROR, "Unable to get device info from VAAPI!\n");
1147             return AVERROR_EXTERNAL;
1148         }
1149
1150         if (strstr(vendor, "Intel"))
1151             dev_select.vendor_id = 0x8086;
1152         if (strstr(vendor, "AMD"))
1153             dev_select.vendor_id = 0x1002;
1154
1155         return vulkan_device_create_internal(ctx, &dev_select, opts, flags);
1156     }
1157 #endif
1158     case AV_HWDEVICE_TYPE_DRM: {
1159         AVDRMDeviceContext *src_hwctx = src_ctx->hwctx;
1160
1161         drmDevice *drm_dev_info;
1162         int err = drmGetDevice(src_hwctx->fd, &drm_dev_info);
1163         if (err) {
1164             av_log(ctx, AV_LOG_ERROR, "Unable to get device info from DRM fd!\n");
1165             return AVERROR_EXTERNAL;
1166         }
1167
1168         if (drm_dev_info->bustype == DRM_BUS_PCI)
1169             dev_select.pci_device = drm_dev_info->deviceinfo.pci->device_id;
1170
1171         drmFreeDevice(&drm_dev_info);
1172
1173         return vulkan_device_create_internal(ctx, &dev_select, opts, flags);
1174     }
1175 #endif
1176 #if CONFIG_CUDA
1177     case AV_HWDEVICE_TYPE_CUDA: {
1178         AVHWDeviceContext *cuda_cu = src_ctx;
1179         AVCUDADeviceContext *src_hwctx = src_ctx->hwctx;
1180         AVCUDADeviceContextInternal *cu_internal = src_hwctx->internal;
1181         CudaFunctions *cu = cu_internal->cuda_dl;
1182
1183         int ret = CHECK_CU(cu->cuDeviceGetUuid((CUuuid *)&dev_select.uuid,
1184                                                cu_internal->cuda_device));
1185         if (ret < 0) {
1186             av_log(ctx, AV_LOG_ERROR, "Unable to get UUID from CUDA!\n");
1187             return AVERROR_EXTERNAL;
1188         }
1189
1190         dev_select.has_uuid = 1;
1191
1192         return vulkan_device_create_internal(ctx, &dev_select, opts, flags);
1193     }
1194 #endif
1195     default:
1196         return AVERROR(ENOSYS);
1197     }
1198 }
1199
1200 static int vulkan_frames_get_constraints(AVHWDeviceContext *ctx,
1201                                          const void *hwconfig,
1202                                          AVHWFramesConstraints *constraints)
1203 {
1204     int count = 0;
1205     AVVulkanDeviceContext *hwctx = ctx->hwctx;
1206     VulkanDevicePriv *p = ctx->internal->priv;
1207
1208     for (enum AVPixelFormat i = 0; i < AV_PIX_FMT_NB; i++)
1209         count += pixfmt_is_supported(hwctx, i, p->use_linear_images);
1210
1211 #if CONFIG_CUDA
1212     if (p->dev_is_nvidia)
1213         count++;
1214 #endif
1215
1216     constraints->valid_sw_formats = av_malloc_array(count + 1,
1217                                                     sizeof(enum AVPixelFormat));
1218     if (!constraints->valid_sw_formats)
1219         return AVERROR(ENOMEM);
1220
1221     count = 0;
1222     for (enum AVPixelFormat i = 0; i < AV_PIX_FMT_NB; i++)
1223         if (pixfmt_is_supported(hwctx, i, p->use_linear_images))
1224             constraints->valid_sw_formats[count++] = i;
1225
1226 #if CONFIG_CUDA
1227     if (p->dev_is_nvidia)
1228         constraints->valid_sw_formats[count++] = AV_PIX_FMT_CUDA;
1229 #endif
1230     constraints->valid_sw_formats[count++] = AV_PIX_FMT_NONE;
1231
1232     constraints->min_width  = 0;
1233     constraints->min_height = 0;
1234     constraints->max_width  = p->props.limits.maxImageDimension2D;
1235     constraints->max_height = p->props.limits.maxImageDimension2D;
1236
1237     constraints->valid_hw_formats = av_malloc_array(2, sizeof(enum AVPixelFormat));
1238     if (!constraints->valid_hw_formats)
1239         return AVERROR(ENOMEM);
1240
1241     constraints->valid_hw_formats[0] = AV_PIX_FMT_VULKAN;
1242     constraints->valid_hw_formats[1] = AV_PIX_FMT_NONE;
1243
1244     return 0;
1245 }
1246
1247 static int alloc_mem(AVHWDeviceContext *ctx, VkMemoryRequirements *req,
1248                      VkMemoryPropertyFlagBits req_flags, void *alloc_extension,
1249                      VkMemoryPropertyFlagBits *mem_flags, VkDeviceMemory *mem)
1250 {
1251     VkResult ret;
1252     int index = -1;
1253     VulkanDevicePriv *p = ctx->internal->priv;
1254     AVVulkanDeviceContext *dev_hwctx = ctx->hwctx;
1255     VkMemoryAllocateInfo alloc_info = {
1256         .sType           = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
1257         .pNext           = alloc_extension,
1258     };
1259
1260     /* Align if we need to */
1261     if (req_flags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT)
1262         req->size = FFALIGN(req->size, p->props.limits.minMemoryMapAlignment);
1263
1264     alloc_info.allocationSize = req->size;
1265
1266     /* The vulkan spec requires memory types to be sorted in the "optimal"
1267      * order, so the first matching type we find will be the best/fastest one */
1268     for (int i = 0; i < p->mprops.memoryTypeCount; i++) {
1269         /* The memory type must be supported by the requirements (bitfield) */
1270         if (!(req->memoryTypeBits & (1 << i)))
1271             continue;
1272
1273         /* The memory type flags must include our properties */
1274         if ((p->mprops.memoryTypes[i].propertyFlags & req_flags) != req_flags)
1275             continue;
1276
1277         /* Found a suitable memory type */
1278         index = i;
1279         break;
1280     }
1281
1282     if (index < 0) {
1283         av_log(ctx, AV_LOG_ERROR, "No memory type found for flags 0x%x\n",
1284                req_flags);
1285         return AVERROR(EINVAL);
1286     }
1287
1288     alloc_info.memoryTypeIndex = index;
1289
1290     ret = vkAllocateMemory(dev_hwctx->act_dev, &alloc_info,
1291                            dev_hwctx->alloc, mem);
1292     if (ret != VK_SUCCESS) {
1293         av_log(ctx, AV_LOG_ERROR, "Failed to allocate memory: %s\n",
1294                vk_ret2str(ret));
1295         return AVERROR(ENOMEM);
1296     }
1297
1298     *mem_flags |= p->mprops.memoryTypes[index].propertyFlags;
1299
1300     return 0;
1301 }
1302
1303 static void vulkan_free_internal(AVVkFrameInternal *internal)
1304 {
1305     if (!internal)
1306         return;
1307
1308 #if CONFIG_CUDA
1309     if (internal->cuda_fc_ref) {
1310         AVHWFramesContext *cuda_fc = (AVHWFramesContext *)internal->cuda_fc_ref->data;
1311         int planes = av_pix_fmt_count_planes(cuda_fc->sw_format);
1312         AVHWDeviceContext *cuda_cu = cuda_fc->device_ctx;
1313         AVCUDADeviceContext *cuda_dev = cuda_cu->hwctx;
1314         AVCUDADeviceContextInternal *cu_internal = cuda_dev->internal;
1315         CudaFunctions *cu = cu_internal->cuda_dl;
1316
1317         for (int i = 0; i < planes; i++) {
1318             if (internal->cu_sem[i])
1319                 CHECK_CU(cu->cuDestroyExternalSemaphore(internal->cu_sem[i]));
1320             if (internal->cu_mma[i])
1321                 CHECK_CU(cu->cuMipmappedArrayDestroy(internal->cu_mma[i]));
1322             if (internal->ext_mem[i])
1323                 CHECK_CU(cu->cuDestroyExternalMemory(internal->ext_mem[i]));
1324         }
1325
1326         av_buffer_unref(&internal->cuda_fc_ref);
1327     }
1328 #endif
1329
1330     av_free(internal);
1331 }
1332
1333 static void vulkan_frame_free(void *opaque, uint8_t *data)
1334 {
1335     AVVkFrame *f = (AVVkFrame *)data;
1336     AVHWFramesContext *hwfc = opaque;
1337     AVVulkanDeviceContext *hwctx = hwfc->device_ctx->hwctx;
1338     int planes = av_pix_fmt_count_planes(hwfc->sw_format);
1339
1340     vulkan_free_internal(f->internal);
1341
1342     for (int i = 0; i < planes; i++) {
1343         vkDestroyImage(hwctx->act_dev, f->img[i], hwctx->alloc);
1344         vkFreeMemory(hwctx->act_dev, f->mem[i], hwctx->alloc);
1345         vkDestroySemaphore(hwctx->act_dev, f->sem[i], hwctx->alloc);
1346     }
1347
1348     av_free(f);
1349 }
1350
1351 static int alloc_bind_mem(AVHWFramesContext *hwfc, AVVkFrame *f,
1352                           void *alloc_pnext, size_t alloc_pnext_stride)
1353 {
1354     int err;
1355     VkResult ret;
1356     AVHWDeviceContext *ctx = hwfc->device_ctx;
1357     const int planes = av_pix_fmt_count_planes(hwfc->sw_format);
1358     VkBindImageMemoryInfo bind_info[AV_NUM_DATA_POINTERS] = { { 0 } };
1359
1360     AVVulkanDeviceContext *hwctx = ctx->hwctx;
1361
1362     for (int i = 0; i < planes; i++) {
1363         int use_ded_mem;
1364         VkImageMemoryRequirementsInfo2 req_desc = {
1365             .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_REQUIREMENTS_INFO_2,
1366             .image = f->img[i],
1367         };
1368         VkMemoryDedicatedAllocateInfo ded_alloc = {
1369             .sType = VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO,
1370             .pNext = (void *)(((uint8_t *)alloc_pnext) + i*alloc_pnext_stride),
1371         };
1372         VkMemoryDedicatedRequirements ded_req = {
1373             .sType = VK_STRUCTURE_TYPE_MEMORY_DEDICATED_REQUIREMENTS,
1374         };
1375         VkMemoryRequirements2 req = {
1376             .sType = VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2,
1377             .pNext = &ded_req,
1378         };
1379
1380         vkGetImageMemoryRequirements2(hwctx->act_dev, &req_desc, &req);
1381
1382         /* In case the implementation prefers/requires dedicated allocation */
1383         use_ded_mem = ded_req.prefersDedicatedAllocation |
1384                       ded_req.requiresDedicatedAllocation;
1385         if (use_ded_mem)
1386             ded_alloc.image = f->img[i];
1387
1388         /* Allocate memory */
1389         if ((err = alloc_mem(ctx, &req.memoryRequirements,
1390                              f->tiling == VK_IMAGE_TILING_LINEAR ?
1391                              VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT :
1392                              VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
1393                              use_ded_mem ? &ded_alloc : (void *)ded_alloc.pNext,
1394                              &f->flags, &f->mem[i])))
1395             return err;
1396
1397         f->size[i] = req.memoryRequirements.size;
1398         bind_info[i].sType  = VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_INFO;
1399         bind_info[i].image  = f->img[i];
1400         bind_info[i].memory = f->mem[i];
1401     }
1402
1403     /* Bind the allocated memory to the images */
1404     ret = vkBindImageMemory2(hwctx->act_dev, planes, bind_info);
1405     if (ret != VK_SUCCESS) {
1406         av_log(ctx, AV_LOG_ERROR, "Failed to bind memory: %s\n",
1407                vk_ret2str(ret));
1408         return AVERROR_EXTERNAL;
1409     }
1410
1411     return 0;
1412 }
1413
1414 enum PrepMode {
1415     PREP_MODE_WRITE,
1416     PREP_MODE_RO_SHADER,
1417     PREP_MODE_EXTERNAL_EXPORT,
1418 };
1419
1420 static int prepare_frame(AVHWFramesContext *hwfc, VulkanExecCtx *ectx,
1421                          AVVkFrame *frame, enum PrepMode pmode)
1422 {
1423     int err;
1424     uint32_t dst_qf;
1425     VkImageLayout new_layout;
1426     VkAccessFlags new_access;
1427     const int planes = av_pix_fmt_count_planes(hwfc->sw_format);
1428
1429     VkImageMemoryBarrier img_bar[AV_NUM_DATA_POINTERS] = { 0 };
1430
1431     VkSubmitInfo s_info = {
1432         .sType                = VK_STRUCTURE_TYPE_SUBMIT_INFO,
1433         .pSignalSemaphores    = frame->sem,
1434         .signalSemaphoreCount = planes,
1435     };
1436
1437     VkPipelineStageFlagBits wait_st[AV_NUM_DATA_POINTERS];
1438     for (int i = 0; i < planes; i++)
1439         wait_st[i] = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
1440
1441     switch (pmode) {
1442     case PREP_MODE_WRITE:
1443         new_layout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
1444         new_access = VK_ACCESS_TRANSFER_WRITE_BIT;
1445         dst_qf     = VK_QUEUE_FAMILY_IGNORED;
1446         break;
1447     case PREP_MODE_RO_SHADER:
1448         new_layout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
1449         new_access = VK_ACCESS_TRANSFER_READ_BIT;
1450         dst_qf     = VK_QUEUE_FAMILY_IGNORED;
1451         break;
1452     case PREP_MODE_EXTERNAL_EXPORT:
1453         new_layout = VK_IMAGE_LAYOUT_GENERAL;
1454         new_access = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT;
1455         dst_qf     = VK_QUEUE_FAMILY_EXTERNAL_KHR;
1456         s_info.pWaitSemaphores = frame->sem;
1457         s_info.pWaitDstStageMask = wait_st;
1458         s_info.waitSemaphoreCount = planes;
1459         break;
1460     }
1461
1462     if ((err = wait_start_exec_ctx(hwfc, ectx)))
1463         return err;
1464
1465     /* Change the image layout to something more optimal for writes.
1466      * This also signals the newly created semaphore, making it usable
1467      * for synchronization */
1468     for (int i = 0; i < planes; i++) {
1469         img_bar[i].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
1470         img_bar[i].srcAccessMask = 0x0;
1471         img_bar[i].dstAccessMask = new_access;
1472         img_bar[i].oldLayout = frame->layout[i];
1473         img_bar[i].newLayout = new_layout;
1474         img_bar[i].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
1475         img_bar[i].dstQueueFamilyIndex = dst_qf;
1476         img_bar[i].image = frame->img[i];
1477         img_bar[i].subresourceRange.levelCount = 1;
1478         img_bar[i].subresourceRange.layerCount = 1;
1479         img_bar[i].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
1480
1481         frame->layout[i] = img_bar[i].newLayout;
1482         frame->access[i] = img_bar[i].dstAccessMask;
1483     }
1484
1485     vkCmdPipelineBarrier(get_buf_exec_ctx(hwfc, ectx),
1486                          VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
1487                          VK_PIPELINE_STAGE_TRANSFER_BIT,
1488                          0, 0, NULL, 0, NULL, planes, img_bar);
1489
1490     return submit_exec_ctx(hwfc, ectx, &s_info, 0);
1491 }
1492
1493 static int create_frame(AVHWFramesContext *hwfc, AVVkFrame **frame,
1494                         VkImageTiling tiling, VkImageUsageFlagBits usage,
1495                         void *create_pnext)
1496 {
1497     int err;
1498     VkResult ret;
1499     AVHWDeviceContext *ctx = hwfc->device_ctx;
1500     VulkanDevicePriv *p = ctx->internal->priv;
1501     AVVulkanDeviceContext *hwctx = ctx->hwctx;
1502     enum AVPixelFormat format = hwfc->sw_format;
1503     const VkFormat *img_fmts = av_vkfmt_from_pixfmt(format);
1504     const int planes = av_pix_fmt_count_planes(format);
1505
1506     VkExportSemaphoreCreateInfo ext_sem_info = {
1507         .sType = VK_STRUCTURE_TYPE_EXPORT_SEMAPHORE_CREATE_INFO,
1508         .handleTypes = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT,
1509     };
1510
1511     VkSemaphoreCreateInfo sem_spawn = {
1512         .sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
1513         .pNext = p->extensions & EXT_EXTERNAL_FD_SEM ? &ext_sem_info : NULL,
1514     };
1515
1516     AVVkFrame *f = av_vk_frame_alloc();
1517     if (!f) {
1518         av_log(ctx, AV_LOG_ERROR, "Unable to allocate memory for AVVkFrame!\n");
1519         return AVERROR(ENOMEM);
1520     }
1521
1522     /* Create the images */
1523     for (int i = 0; i < planes; i++) {
1524         const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(format);
1525         int w = hwfc->width;
1526         int h = hwfc->height;
1527         const int p_w = i > 0 ? AV_CEIL_RSHIFT(w, desc->log2_chroma_w) : w;
1528         const int p_h = i > 0 ? AV_CEIL_RSHIFT(h, desc->log2_chroma_h) : h;
1529
1530         VkImageCreateInfo image_create_info = {
1531             .sType                 = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
1532             .pNext                 = create_pnext,
1533             .imageType             = VK_IMAGE_TYPE_2D,
1534             .format                = img_fmts[i],
1535             .extent.width          = p_w,
1536             .extent.height         = p_h,
1537             .extent.depth          = 1,
1538             .mipLevels             = 1,
1539             .arrayLayers           = 1,
1540             .flags                 = VK_IMAGE_CREATE_ALIAS_BIT,
1541             .tiling                = tiling,
1542             .initialLayout         = VK_IMAGE_LAYOUT_UNDEFINED,
1543             .usage                 = usage,
1544             .samples               = VK_SAMPLE_COUNT_1_BIT,
1545             .pQueueFamilyIndices   = p->qfs,
1546             .queueFamilyIndexCount = p->num_qfs,
1547             .sharingMode           = p->num_qfs > 1 ? VK_SHARING_MODE_CONCURRENT :
1548                                                       VK_SHARING_MODE_EXCLUSIVE,
1549         };
1550
1551         ret = vkCreateImage(hwctx->act_dev, &image_create_info,
1552                             hwctx->alloc, &f->img[i]);
1553         if (ret != VK_SUCCESS) {
1554             av_log(ctx, AV_LOG_ERROR, "Image creation failure: %s\n",
1555                    vk_ret2str(ret));
1556             err = AVERROR(EINVAL);
1557             goto fail;
1558         }
1559
1560         /* Create semaphore */
1561         ret = vkCreateSemaphore(hwctx->act_dev, &sem_spawn,
1562                                 hwctx->alloc, &f->sem[i]);
1563         if (ret != VK_SUCCESS) {
1564             av_log(hwctx, AV_LOG_ERROR, "Failed to create semaphore: %s\n",
1565                    vk_ret2str(ret));
1566             return AVERROR_EXTERNAL;
1567         }
1568
1569         f->layout[i] = image_create_info.initialLayout;
1570         f->access[i] = 0x0;
1571     }
1572
1573     f->flags     = 0x0;
1574     f->tiling    = tiling;
1575
1576     *frame = f;
1577     return 0;
1578
1579 fail:
1580     vulkan_frame_free(hwfc, (uint8_t *)f);
1581     return err;
1582 }
1583
1584 /* Checks if an export flag is enabled, and if it is ORs it with *iexp */
1585 static void try_export_flags(AVHWFramesContext *hwfc,
1586                              VkExternalMemoryHandleTypeFlags *comp_handle_types,
1587                              VkExternalMemoryHandleTypeFlagBits *iexp,
1588                              VkExternalMemoryHandleTypeFlagBits exp)
1589 {
1590     VkResult ret;
1591     AVVulkanFramesContext *hwctx = hwfc->hwctx;
1592     AVVulkanDeviceContext *dev_hwctx = hwfc->device_ctx->hwctx;
1593     VkExternalImageFormatProperties eprops = {
1594         .sType = VK_STRUCTURE_TYPE_EXTERNAL_IMAGE_FORMAT_PROPERTIES_KHR,
1595     };
1596     VkImageFormatProperties2 props = {
1597         .sType = VK_STRUCTURE_TYPE_IMAGE_FORMAT_PROPERTIES_2,
1598         .pNext = &eprops,
1599     };
1600     VkPhysicalDeviceExternalImageFormatInfo enext = {
1601         .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_IMAGE_FORMAT_INFO,
1602         .handleType = exp,
1603     };
1604     VkPhysicalDeviceImageFormatInfo2 pinfo = {
1605         .sType  = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2,
1606         .pNext  = !exp ? NULL : &enext,
1607         .format = av_vkfmt_from_pixfmt(hwfc->sw_format)[0],
1608         .type   = VK_IMAGE_TYPE_2D,
1609         .tiling = hwctx->tiling,
1610         .usage  = hwctx->usage,
1611         .flags  = VK_IMAGE_CREATE_ALIAS_BIT,
1612     };
1613
1614     ret = vkGetPhysicalDeviceImageFormatProperties2(dev_hwctx->phys_dev,
1615                                                     &pinfo, &props);
1616     if (ret == VK_SUCCESS) {
1617         *iexp |= exp;
1618         *comp_handle_types |= eprops.externalMemoryProperties.compatibleHandleTypes;
1619     }
1620 }
1621
1622 static AVBufferRef *vulkan_pool_alloc(void *opaque, int size)
1623 {
1624     int err;
1625     AVVkFrame *f;
1626     AVBufferRef *avbuf = NULL;
1627     AVHWFramesContext *hwfc = opaque;
1628     AVVulkanFramesContext *hwctx = hwfc->hwctx;
1629     VulkanDevicePriv *p = hwfc->device_ctx->internal->priv;
1630     VulkanFramesPriv *fp = hwfc->internal->priv;
1631     VkExportMemoryAllocateInfo eminfo[AV_NUM_DATA_POINTERS];
1632     VkExternalMemoryHandleTypeFlags e = 0x0;
1633
1634     VkExternalMemoryImageCreateInfo eiinfo = {
1635         .sType       = VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_IMAGE_CREATE_INFO,
1636         .pNext       = hwctx->create_pnext,
1637     };
1638
1639     if (p->extensions & EXT_EXTERNAL_FD_MEMORY)
1640         try_export_flags(hwfc, &eiinfo.handleTypes, &e,
1641                          VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT);
1642
1643     if (p->extensions & EXT_EXTERNAL_DMABUF_MEMORY)
1644         try_export_flags(hwfc, &eiinfo.handleTypes, &e,
1645                          VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT);
1646
1647     for (int i = 0; i < av_pix_fmt_count_planes(hwfc->sw_format); i++) {
1648         eminfo[i].sType       = VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO;
1649         eminfo[i].pNext       = hwctx->alloc_pnext[i];
1650         eminfo[i].handleTypes = e;
1651     }
1652
1653     err = create_frame(hwfc, &f, hwctx->tiling, hwctx->usage,
1654                        eiinfo.handleTypes ? &eiinfo : NULL);
1655     if (err)
1656         return NULL;
1657
1658     err = alloc_bind_mem(hwfc, f, eminfo, sizeof(*eminfo));
1659     if (err)
1660         goto fail;
1661
1662     err = prepare_frame(hwfc, &fp->conv_ctx, f, PREP_MODE_WRITE);
1663     if (err)
1664         goto fail;
1665
1666     avbuf = av_buffer_create((uint8_t *)f, sizeof(AVVkFrame),
1667                              vulkan_frame_free, hwfc, 0);
1668     if (!avbuf)
1669         goto fail;
1670
1671     return avbuf;
1672
1673 fail:
1674     vulkan_frame_free(hwfc, (uint8_t *)f);
1675     return NULL;
1676 }
1677
1678 static void vulkan_frames_uninit(AVHWFramesContext *hwfc)
1679 {
1680     VulkanFramesPriv *fp = hwfc->internal->priv;
1681
1682     free_exec_ctx(hwfc, &fp->conv_ctx);
1683     free_exec_ctx(hwfc, &fp->upload_ctx);
1684     free_exec_ctx(hwfc, &fp->download_ctx);
1685 }
1686
1687 static int vulkan_frames_init(AVHWFramesContext *hwfc)
1688 {
1689     int err;
1690     AVVkFrame *f;
1691     AVVulkanFramesContext *hwctx = hwfc->hwctx;
1692     VulkanFramesPriv *fp = hwfc->internal->priv;
1693     AVVulkanDeviceContext *dev_hwctx = hwfc->device_ctx->hwctx;
1694     VulkanDevicePriv *p = hwfc->device_ctx->internal->priv;
1695
1696     /* Default pool flags */
1697     hwctx->tiling = hwctx->tiling ? hwctx->tiling : p->use_linear_images ?
1698                     VK_IMAGE_TILING_LINEAR : VK_IMAGE_TILING_OPTIMAL;
1699
1700     if (!hwctx->usage)
1701         hwctx->usage = DEFAULT_USAGE_FLAGS;
1702
1703     err = create_exec_ctx(hwfc, &fp->conv_ctx,
1704                           dev_hwctx->queue_family_comp_index,
1705                           GET_QUEUE_COUNT(dev_hwctx, 0, 1, 0));
1706     if (err)
1707         goto fail;
1708
1709     err = create_exec_ctx(hwfc, &fp->upload_ctx,
1710                           dev_hwctx->queue_family_tx_index,
1711                           GET_QUEUE_COUNT(dev_hwctx, 0, 0, 1));
1712     if (err)
1713         goto fail;
1714
1715     err = create_exec_ctx(hwfc, &fp->download_ctx,
1716                           dev_hwctx->queue_family_tx_index, 1);
1717     if (err)
1718         goto fail;
1719
1720     /* Test to see if allocation will fail */
1721     err = create_frame(hwfc, &f, hwctx->tiling, hwctx->usage,
1722                        hwctx->create_pnext);
1723     if (err)
1724         goto fail;
1725
1726     vulkan_frame_free(hwfc, (uint8_t *)f);
1727
1728     /* If user did not specify a pool, hwfc->pool will be set to the internal one
1729      * in hwcontext.c just after this gets called */
1730     if (!hwfc->pool) {
1731         hwfc->internal->pool_internal = av_buffer_pool_init2(sizeof(AVVkFrame),
1732                                                              hwfc, vulkan_pool_alloc,
1733                                                              NULL);
1734         if (!hwfc->internal->pool_internal) {
1735             err = AVERROR(ENOMEM);
1736             goto fail;
1737         }
1738     }
1739
1740     return 0;
1741
1742 fail:
1743     free_exec_ctx(hwfc, &fp->conv_ctx);
1744     free_exec_ctx(hwfc, &fp->upload_ctx);
1745     free_exec_ctx(hwfc, &fp->download_ctx);
1746
1747     return err;
1748 }
1749
1750 static int vulkan_get_buffer(AVHWFramesContext *hwfc, AVFrame *frame)
1751 {
1752     frame->buf[0] = av_buffer_pool_get(hwfc->pool);
1753     if (!frame->buf[0])
1754         return AVERROR(ENOMEM);
1755
1756     frame->data[0] = frame->buf[0]->data;
1757     frame->format  = AV_PIX_FMT_VULKAN;
1758     frame->width   = hwfc->width;
1759     frame->height  = hwfc->height;
1760
1761     return 0;
1762 }
1763
1764 static int vulkan_transfer_get_formats(AVHWFramesContext *hwfc,
1765                                        enum AVHWFrameTransferDirection dir,
1766                                        enum AVPixelFormat **formats)
1767 {
1768     enum AVPixelFormat *fmts = av_malloc_array(2, sizeof(*fmts));
1769     if (!fmts)
1770         return AVERROR(ENOMEM);
1771
1772     fmts[0] = hwfc->sw_format;
1773     fmts[1] = AV_PIX_FMT_NONE;
1774
1775     *formats = fmts;
1776     return 0;
1777 }
1778
1779 typedef struct VulkanMapping {
1780     AVVkFrame *frame;
1781     int flags;
1782 } VulkanMapping;
1783
1784 static void vulkan_unmap_frame(AVHWFramesContext *hwfc, HWMapDescriptor *hwmap)
1785 {
1786     VulkanMapping *map = hwmap->priv;
1787     AVVulkanDeviceContext *hwctx = hwfc->device_ctx->hwctx;
1788     const int planes = av_pix_fmt_count_planes(hwfc->sw_format);
1789
1790     /* Check if buffer needs flushing */
1791     if ((map->flags & AV_HWFRAME_MAP_WRITE) &&
1792         !(map->frame->flags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT)) {
1793         VkResult ret;
1794         VkMappedMemoryRange flush_ranges[AV_NUM_DATA_POINTERS] = { { 0 } };
1795
1796         for (int i = 0; i < planes; i++) {
1797             flush_ranges[i].sType  = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE;
1798             flush_ranges[i].memory = map->frame->mem[i];
1799             flush_ranges[i].size   = VK_WHOLE_SIZE;
1800         }
1801
1802         ret = vkFlushMappedMemoryRanges(hwctx->act_dev, planes,
1803                                         flush_ranges);
1804         if (ret != VK_SUCCESS) {
1805             av_log(hwfc, AV_LOG_ERROR, "Failed to flush memory: %s\n",
1806                    vk_ret2str(ret));
1807         }
1808     }
1809
1810     for (int i = 0; i < planes; i++)
1811         vkUnmapMemory(hwctx->act_dev, map->frame->mem[i]);
1812
1813     av_free(map);
1814 }
1815
1816 static int vulkan_map_frame_to_mem(AVHWFramesContext *hwfc, AVFrame *dst,
1817                                    const AVFrame *src, int flags)
1818 {
1819     VkResult ret;
1820     int err, mapped_mem_count = 0;
1821     AVVkFrame *f = (AVVkFrame *)src->data[0];
1822     AVVulkanDeviceContext *hwctx = hwfc->device_ctx->hwctx;
1823     const int planes = av_pix_fmt_count_planes(hwfc->sw_format);
1824
1825     VulkanMapping *map = av_mallocz(sizeof(VulkanMapping));
1826     if (!map)
1827         return AVERROR(EINVAL);
1828
1829     if (src->format != AV_PIX_FMT_VULKAN) {
1830         av_log(hwfc, AV_LOG_ERROR, "Cannot map from pixel format %s!\n",
1831                av_get_pix_fmt_name(src->format));
1832         err = AVERROR(EINVAL);
1833         goto fail;
1834     }
1835
1836     if (!(f->flags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) ||
1837         !(f->tiling == VK_IMAGE_TILING_LINEAR)) {
1838         av_log(hwfc, AV_LOG_ERROR, "Unable to map frame, not host visible "
1839                "and linear!\n");
1840         err = AVERROR(EINVAL);
1841         goto fail;
1842     }
1843
1844     dst->width  = src->width;
1845     dst->height = src->height;
1846
1847     for (int i = 0; i < planes; i++) {
1848         ret = vkMapMemory(hwctx->act_dev, f->mem[i], 0,
1849                           VK_WHOLE_SIZE, 0, (void **)&dst->data[i]);
1850         if (ret != VK_SUCCESS) {
1851             av_log(hwfc, AV_LOG_ERROR, "Failed to map image memory: %s\n",
1852                 vk_ret2str(ret));
1853             err = AVERROR_EXTERNAL;
1854             goto fail;
1855         }
1856         mapped_mem_count++;
1857     }
1858
1859     /* Check if the memory contents matter */
1860     if (((flags & AV_HWFRAME_MAP_READ) || !(flags & AV_HWFRAME_MAP_OVERWRITE)) &&
1861         !(f->flags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT)) {
1862         VkMappedMemoryRange map_mem_ranges[AV_NUM_DATA_POINTERS] = { { 0 } };
1863         for (int i = 0; i < planes; i++) {
1864             map_mem_ranges[i].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE;
1865             map_mem_ranges[i].size = VK_WHOLE_SIZE;
1866             map_mem_ranges[i].memory = f->mem[i];
1867         }
1868
1869         ret = vkInvalidateMappedMemoryRanges(hwctx->act_dev, planes,
1870                                              map_mem_ranges);
1871         if (ret != VK_SUCCESS) {
1872             av_log(hwfc, AV_LOG_ERROR, "Failed to invalidate memory: %s\n",
1873                    vk_ret2str(ret));
1874             err = AVERROR_EXTERNAL;
1875             goto fail;
1876         }
1877     }
1878
1879     for (int i = 0; i < planes; i++) {
1880         VkImageSubresource sub = {
1881             .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
1882         };
1883         VkSubresourceLayout layout;
1884         vkGetImageSubresourceLayout(hwctx->act_dev, f->img[i], &sub, &layout);
1885         dst->linesize[i] = layout.rowPitch;
1886     }
1887
1888     map->frame = f;
1889     map->flags = flags;
1890
1891     err = ff_hwframe_map_create(src->hw_frames_ctx, dst, src,
1892                                 &vulkan_unmap_frame, map);
1893     if (err < 0)
1894         goto fail;
1895
1896     return 0;
1897
1898 fail:
1899     for (int i = 0; i < mapped_mem_count; i++)
1900         vkUnmapMemory(hwctx->act_dev, f->mem[i]);
1901
1902     av_free(map);
1903     return err;
1904 }
1905
1906 #if CONFIG_LIBDRM
1907 static void vulkan_unmap_from(AVHWFramesContext *hwfc, HWMapDescriptor *hwmap)
1908 {
1909     VulkanMapping *map = hwmap->priv;
1910     AVVulkanDeviceContext *hwctx = hwfc->device_ctx->hwctx;
1911     const int planes = av_pix_fmt_count_planes(hwfc->sw_format);
1912
1913     for (int i = 0; i < planes; i++) {
1914         vkDestroyImage(hwctx->act_dev, map->frame->img[i], hwctx->alloc);
1915         vkFreeMemory(hwctx->act_dev, map->frame->mem[i], hwctx->alloc);
1916         vkDestroySemaphore(hwctx->act_dev, map->frame->sem[i], hwctx->alloc);
1917     }
1918
1919     av_freep(&map->frame);
1920 }
1921
1922 static const struct {
1923     uint32_t drm_fourcc;
1924     VkFormat vk_format;
1925 } vulkan_drm_format_map[] = {
1926     { DRM_FORMAT_R8,       VK_FORMAT_R8_UNORM       },
1927     { DRM_FORMAT_R16,      VK_FORMAT_R16_UNORM      },
1928     { DRM_FORMAT_GR88,     VK_FORMAT_R8G8_UNORM     },
1929     { DRM_FORMAT_RG88,     VK_FORMAT_R8G8_UNORM     },
1930     { DRM_FORMAT_GR1616,   VK_FORMAT_R16G16_UNORM   },
1931     { DRM_FORMAT_RG1616,   VK_FORMAT_R16G16_UNORM   },
1932     { DRM_FORMAT_ARGB8888, VK_FORMAT_B8G8R8A8_UNORM },
1933     { DRM_FORMAT_XRGB8888, VK_FORMAT_B8G8R8A8_UNORM },
1934     { DRM_FORMAT_ABGR8888, VK_FORMAT_R8G8B8A8_UNORM },
1935     { DRM_FORMAT_XBGR8888, VK_FORMAT_R8G8B8A8_UNORM },
1936 };
1937
1938 static inline VkFormat drm_to_vulkan_fmt(uint32_t drm_fourcc)
1939 {
1940     for (int i = 0; i < FF_ARRAY_ELEMS(vulkan_drm_format_map); i++)
1941         if (vulkan_drm_format_map[i].drm_fourcc == drm_fourcc)
1942             return vulkan_drm_format_map[i].vk_format;
1943     return VK_FORMAT_UNDEFINED;
1944 }
1945
1946 static int vulkan_map_from_drm_frame_desc(AVHWFramesContext *hwfc, AVVkFrame **frame,
1947                                           AVDRMFrameDescriptor *desc)
1948 {
1949     int err = 0;
1950     VkResult ret;
1951     AVVkFrame *f;
1952     int bind_counts = 0;
1953     AVHWDeviceContext *ctx = hwfc->device_ctx;
1954     AVVulkanDeviceContext *hwctx = ctx->hwctx;
1955     VulkanDevicePriv *p = ctx->internal->priv;
1956     VulkanFramesPriv *fp = hwfc->internal->priv;
1957     AVVulkanFramesContext *frames_hwctx = hwfc->hwctx;
1958     const AVPixFmtDescriptor *fmt_desc = av_pix_fmt_desc_get(hwfc->sw_format);
1959     const int has_modifiers = p->extensions & EXT_DRM_MODIFIER_FLAGS;
1960     VkSubresourceLayout plane_data[AV_NUM_DATA_POINTERS] = { 0 };
1961     VkBindImageMemoryInfo bind_info[AV_NUM_DATA_POINTERS] = { 0 };
1962     VkBindImagePlaneMemoryInfo plane_info[AV_NUM_DATA_POINTERS] = { 0 };
1963     VkExternalMemoryHandleTypeFlagBits htype = VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT;
1964
1965     VK_LOAD_PFN(hwctx->inst, vkGetMemoryFdPropertiesKHR);
1966
1967     for (int i = 0; i < desc->nb_layers; i++) {
1968         if (drm_to_vulkan_fmt(desc->layers[i].format) == VK_FORMAT_UNDEFINED) {
1969             av_log(ctx, AV_LOG_ERROR, "Unsupported DMABUF layer format %#08x!\n",
1970                    desc->layers[i].format);
1971             return AVERROR(EINVAL);
1972         }
1973     }
1974
1975     if (!(f = av_vk_frame_alloc())) {
1976         av_log(ctx, AV_LOG_ERROR, "Unable to allocate memory for AVVkFrame!\n");
1977         err = AVERROR(ENOMEM);
1978         goto fail;
1979     }
1980
1981     for (int i = 0; i < desc->nb_objects; i++) {
1982         VkMemoryFdPropertiesKHR fdmp = {
1983             .sType = VK_STRUCTURE_TYPE_MEMORY_FD_PROPERTIES_KHR,
1984         };
1985         VkMemoryRequirements req = {
1986             .size = desc->objects[i].size,
1987         };
1988         VkImportMemoryFdInfoKHR idesc = {
1989             .sType      = VK_STRUCTURE_TYPE_IMPORT_MEMORY_FD_INFO_KHR,
1990             .handleType = htype,
1991             .fd         = dup(desc->objects[i].fd),
1992         };
1993
1994         ret = pfn_vkGetMemoryFdPropertiesKHR(hwctx->act_dev, htype,
1995                                              idesc.fd, &fdmp);
1996         if (ret != VK_SUCCESS) {
1997             av_log(hwfc, AV_LOG_ERROR, "Failed to get FD properties: %s\n",
1998                    vk_ret2str(ret));
1999             err = AVERROR_EXTERNAL;
2000             close(idesc.fd);
2001             goto fail;
2002         }
2003
2004         req.memoryTypeBits = fdmp.memoryTypeBits;
2005
2006         err = alloc_mem(ctx, &req, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
2007                         &idesc, &f->flags, &f->mem[i]);
2008         if (err) {
2009             close(idesc.fd);
2010             return err;
2011         }
2012
2013         f->size[i] = desc->objects[i].size;
2014     }
2015
2016     f->tiling = has_modifiers ? VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT :
2017                 desc->objects[0].format_modifier == DRM_FORMAT_MOD_LINEAR ?
2018                 VK_IMAGE_TILING_LINEAR : VK_IMAGE_TILING_OPTIMAL;
2019
2020     for (int i = 0; i < desc->nb_layers; i++) {
2021         const int planes = desc->layers[i].nb_planes;
2022         const int signal_p = has_modifiers && (planes > 1);
2023
2024         VkImageDrmFormatModifierExplicitCreateInfoEXT drm_info = {
2025             .sType = VK_STRUCTURE_TYPE_IMAGE_DRM_FORMAT_MODIFIER_EXPLICIT_CREATE_INFO_EXT,
2026             .drmFormatModifier = desc->objects[0].format_modifier,
2027             .drmFormatModifierPlaneCount = planes,
2028             .pPlaneLayouts = (const VkSubresourceLayout *)&plane_data,
2029         };
2030
2031         VkExternalMemoryImageCreateInfo einfo = {
2032             .sType       = VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_IMAGE_CREATE_INFO,
2033             .pNext       = has_modifiers ? &drm_info : NULL,
2034             .handleTypes = htype,
2035         };
2036
2037         VkSemaphoreCreateInfo sem_spawn = {
2038             .sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
2039         };
2040
2041         const int p_w = i > 0 ? AV_CEIL_RSHIFT(hwfc->width, fmt_desc->log2_chroma_w) : hwfc->width;
2042         const int p_h = i > 0 ? AV_CEIL_RSHIFT(hwfc->height, fmt_desc->log2_chroma_h) : hwfc->height;
2043
2044         VkImageCreateInfo image_create_info = {
2045             .sType                 = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
2046             .pNext                 = &einfo,
2047             .imageType             = VK_IMAGE_TYPE_2D,
2048             .format                = drm_to_vulkan_fmt(desc->layers[i].format),
2049             .extent.width          = p_w,
2050             .extent.height         = p_h,
2051             .extent.depth          = 1,
2052             .mipLevels             = 1,
2053             .arrayLayers           = 1,
2054             .flags                 = VK_IMAGE_CREATE_ALIAS_BIT,
2055             .tiling                = f->tiling,
2056             .initialLayout         = VK_IMAGE_LAYOUT_UNDEFINED, /* specs say so */
2057             .usage                 = frames_hwctx->usage,
2058             .samples               = VK_SAMPLE_COUNT_1_BIT,
2059             .pQueueFamilyIndices   = p->qfs,
2060             .queueFamilyIndexCount = p->num_qfs,
2061             .sharingMode           = p->num_qfs > 1 ? VK_SHARING_MODE_CONCURRENT :
2062                                                       VK_SHARING_MODE_EXCLUSIVE,
2063         };
2064
2065         for (int j = 0; j < planes; j++) {
2066             plane_data[j].offset     = desc->layers[i].planes[j].offset;
2067             plane_data[j].rowPitch   = desc->layers[i].planes[j].pitch;
2068             plane_data[j].size       = 0; /* The specs say so for all 3 */
2069             plane_data[j].arrayPitch = 0;
2070             plane_data[j].depthPitch = 0;
2071         }
2072
2073         /* Create image */
2074         ret = vkCreateImage(hwctx->act_dev, &image_create_info,
2075                             hwctx->alloc, &f->img[i]);
2076         if (ret != VK_SUCCESS) {
2077             av_log(ctx, AV_LOG_ERROR, "Image creation failure: %s\n",
2078                    vk_ret2str(ret));
2079             err = AVERROR(EINVAL);
2080             goto fail;
2081         }
2082
2083         ret = vkCreateSemaphore(hwctx->act_dev, &sem_spawn,
2084                                 hwctx->alloc, &f->sem[i]);
2085         if (ret != VK_SUCCESS) {
2086             av_log(hwctx, AV_LOG_ERROR, "Failed to create semaphore: %s\n",
2087                    vk_ret2str(ret));
2088             return AVERROR_EXTERNAL;
2089         }
2090
2091         /* We'd import a semaphore onto the one we created using
2092          * vkImportSemaphoreFdKHR but unfortunately neither DRM nor VAAPI
2093          * offer us anything we could import and sync with, so instead
2094          * just signal the semaphore we created. */
2095
2096         f->layout[i] = image_create_info.initialLayout;
2097         f->access[i] = 0x0;
2098
2099         for (int j = 0; j < planes; j++) {
2100             VkImageAspectFlagBits aspect = j == 0 ? VK_IMAGE_ASPECT_MEMORY_PLANE_0_BIT_EXT :
2101                                            j == 1 ? VK_IMAGE_ASPECT_MEMORY_PLANE_1_BIT_EXT :
2102                                                     VK_IMAGE_ASPECT_MEMORY_PLANE_2_BIT_EXT;
2103
2104             plane_info[bind_counts].sType = VK_STRUCTURE_TYPE_BIND_IMAGE_PLANE_MEMORY_INFO;
2105             plane_info[bind_counts].planeAspect = aspect;
2106
2107             bind_info[bind_counts].sType  = VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_INFO;
2108             bind_info[bind_counts].pNext  = signal_p ? &plane_info[bind_counts] : NULL;
2109             bind_info[bind_counts].image  = f->img[i];
2110             bind_info[bind_counts].memory = f->mem[desc->layers[i].planes[j].object_index];
2111             bind_info[bind_counts].memoryOffset = desc->layers[i].planes[j].offset;
2112             bind_counts++;
2113         }
2114     }
2115
2116     /* Bind the allocated memory to the images */
2117     ret = vkBindImageMemory2(hwctx->act_dev, bind_counts, bind_info);
2118     if (ret != VK_SUCCESS) {
2119         av_log(ctx, AV_LOG_ERROR, "Failed to bind memory: %s\n",
2120                vk_ret2str(ret));
2121         return AVERROR_EXTERNAL;
2122     }
2123
2124     /* NOTE: This is completely uneccesary and unneeded once we can import
2125      * semaphores from DRM. Otherwise we have to activate the semaphores.
2126      * We're reusing the exec context that's also used for uploads/downloads. */
2127     err = prepare_frame(hwfc, &fp->conv_ctx, f, PREP_MODE_RO_SHADER);
2128     if (err)
2129         goto fail;
2130
2131     *frame = f;
2132
2133     return 0;
2134
2135 fail:
2136     for (int i = 0; i < desc->nb_layers; i++) {
2137         vkDestroyImage(hwctx->act_dev, f->img[i], hwctx->alloc);
2138         vkDestroySemaphore(hwctx->act_dev, f->sem[i], hwctx->alloc);
2139     }
2140     for (int i = 0; i < desc->nb_objects; i++)
2141         vkFreeMemory(hwctx->act_dev, f->mem[i], hwctx->alloc);
2142
2143     av_free(f);
2144
2145     return err;
2146 }
2147
2148 static int vulkan_map_from_drm(AVHWFramesContext *hwfc, AVFrame *dst,
2149                                const AVFrame *src, int flags)
2150 {
2151     int err = 0;
2152     AVVkFrame *f;
2153     VulkanMapping *map = NULL;
2154
2155     err = vulkan_map_from_drm_frame_desc(hwfc, &f,
2156                                          (AVDRMFrameDescriptor *)src->data[0]);
2157     if (err)
2158         return err;
2159
2160     /* The unmapping function will free this */
2161     dst->data[0] = (uint8_t *)f;
2162     dst->width   = src->width;
2163     dst->height  = src->height;
2164
2165     map = av_mallocz(sizeof(VulkanMapping));
2166     if (!map)
2167         goto fail;
2168
2169     map->frame = f;
2170     map->flags = flags;
2171
2172     err = ff_hwframe_map_create(dst->hw_frames_ctx, dst, src,
2173                                 &vulkan_unmap_from, map);
2174     if (err < 0)
2175         goto fail;
2176
2177     av_log(hwfc, AV_LOG_DEBUG, "Mapped DRM object to Vulkan!\n");
2178
2179     return 0;
2180
2181 fail:
2182     vulkan_frame_free(hwfc->device_ctx->hwctx, (uint8_t *)f);
2183     av_free(map);
2184     return err;
2185 }
2186
2187 #if CONFIG_VAAPI
2188 static int vulkan_map_from_vaapi(AVHWFramesContext *dst_fc,
2189                                  AVFrame *dst, const AVFrame *src,
2190                                  int flags)
2191 {
2192     int err;
2193     AVFrame *tmp = av_frame_alloc();
2194     AVHWFramesContext *vaapi_fc = (AVHWFramesContext*)src->hw_frames_ctx->data;
2195     AVVAAPIDeviceContext *vaapi_ctx = vaapi_fc->device_ctx->hwctx;
2196     VASurfaceID surface_id = (VASurfaceID)(uintptr_t)src->data[3];
2197
2198     if (!tmp)
2199         return AVERROR(ENOMEM);
2200
2201     /* We have to sync since like the previous comment said, no semaphores */
2202     vaSyncSurface(vaapi_ctx->display, surface_id);
2203
2204     tmp->format = AV_PIX_FMT_DRM_PRIME;
2205
2206     err = av_hwframe_map(tmp, src, flags);
2207     if (err < 0)
2208         goto fail;
2209
2210     err = vulkan_map_from_drm(dst_fc, dst, tmp, flags);
2211     if (err < 0)
2212         goto fail;
2213
2214     err = ff_hwframe_map_replace(dst, src);
2215
2216 fail:
2217     av_frame_free(&tmp);
2218     return err;
2219 }
2220 #endif
2221 #endif
2222
2223 #if CONFIG_CUDA
2224 static int vulkan_export_to_cuda(AVHWFramesContext *hwfc,
2225                                  AVBufferRef *cuda_hwfc,
2226                                  const AVFrame *frame)
2227 {
2228     int err;
2229     VkResult ret;
2230     AVVkFrame *dst_f;
2231     AVVkFrameInternal *dst_int;
2232     AVHWDeviceContext *ctx = hwfc->device_ctx;
2233     AVVulkanDeviceContext *hwctx = ctx->hwctx;
2234     const int planes = av_pix_fmt_count_planes(hwfc->sw_format);
2235     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(hwfc->sw_format);
2236     VK_LOAD_PFN(hwctx->inst, vkGetMemoryFdKHR);
2237     VK_LOAD_PFN(hwctx->inst, vkGetSemaphoreFdKHR);
2238
2239     AVHWFramesContext *cuda_fc = (AVHWFramesContext*)cuda_hwfc->data;
2240     AVHWDeviceContext *cuda_cu = cuda_fc->device_ctx;
2241     AVCUDADeviceContext *cuda_dev = cuda_cu->hwctx;
2242     AVCUDADeviceContextInternal *cu_internal = cuda_dev->internal;
2243     CudaFunctions *cu = cu_internal->cuda_dl;
2244     CUarray_format cufmt = desc->comp[0].depth > 8 ? CU_AD_FORMAT_UNSIGNED_INT16 :
2245                                                      CU_AD_FORMAT_UNSIGNED_INT8;
2246
2247     dst_f = (AVVkFrame *)frame->data[0];
2248
2249     dst_int = dst_f->internal;
2250     if (!dst_int || !dst_int->cuda_fc_ref) {
2251         if (!dst_f->internal)
2252             dst_f->internal = dst_int = av_mallocz(sizeof(*dst_f->internal));
2253
2254         if (!dst_int) {
2255             err = AVERROR(ENOMEM);
2256             goto fail;
2257         }
2258
2259         dst_int->cuda_fc_ref = av_buffer_ref(cuda_hwfc);
2260         if (!dst_int->cuda_fc_ref) {
2261             err = AVERROR(ENOMEM);
2262             goto fail;
2263         }
2264
2265         for (int i = 0; i < planes; i++) {
2266             CUDA_EXTERNAL_MEMORY_MIPMAPPED_ARRAY_DESC tex_desc = {
2267                 .offset = 0,
2268                 .arrayDesc = {
2269                     .Width  = i > 0 ? AV_CEIL_RSHIFT(hwfc->width, desc->log2_chroma_w)
2270                                     : hwfc->width,
2271                     .Height = i > 0 ? AV_CEIL_RSHIFT(hwfc->height, desc->log2_chroma_h)
2272                                     : hwfc->height,
2273                     .Depth = 0,
2274                     .Format = cufmt,
2275                     .NumChannels = 1 + ((planes == 2) && i),
2276                     .Flags = 0,
2277                 },
2278                 .numLevels = 1,
2279             };
2280             CUDA_EXTERNAL_MEMORY_HANDLE_DESC ext_desc = {
2281                 .type = CU_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD,
2282                 .size = dst_f->size[i],
2283             };
2284             VkMemoryGetFdInfoKHR export_info = {
2285                 .sType      = VK_STRUCTURE_TYPE_MEMORY_GET_FD_INFO_KHR,
2286                 .memory     = dst_f->mem[i],
2287                 .handleType = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHR,
2288             };
2289             VkSemaphoreGetFdInfoKHR sem_export = {
2290                 .sType = VK_STRUCTURE_TYPE_SEMAPHORE_GET_FD_INFO_KHR,
2291                 .semaphore = dst_f->sem[i],
2292                 .handleType = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT,
2293             };
2294             CUDA_EXTERNAL_SEMAPHORE_HANDLE_DESC ext_sem_desc = {
2295                 .type = CU_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD,
2296             };
2297
2298             ret = pfn_vkGetMemoryFdKHR(hwctx->act_dev, &export_info,
2299                                        &ext_desc.handle.fd);
2300             if (ret != VK_SUCCESS) {
2301                 av_log(hwfc, AV_LOG_ERROR, "Unable to export the image as a FD!\n");
2302                 err = AVERROR_EXTERNAL;
2303                 goto fail;
2304             }
2305
2306             ret = CHECK_CU(cu->cuImportExternalMemory(&dst_int->ext_mem[i], &ext_desc));
2307             if (ret < 0) {
2308                 err = AVERROR_EXTERNAL;
2309                 goto fail;
2310             }
2311
2312             ret = CHECK_CU(cu->cuExternalMemoryGetMappedMipmappedArray(&dst_int->cu_mma[i],
2313                                                                        dst_int->ext_mem[i],
2314                                                                        &tex_desc));
2315             if (ret < 0) {
2316                 err = AVERROR_EXTERNAL;
2317                 goto fail;
2318             }
2319
2320             ret = CHECK_CU(cu->cuMipmappedArrayGetLevel(&dst_int->cu_array[i],
2321                                                         dst_int->cu_mma[i], 0));
2322             if (ret < 0) {
2323                 err = AVERROR_EXTERNAL;
2324                 goto fail;
2325             }
2326
2327             ret = pfn_vkGetSemaphoreFdKHR(hwctx->act_dev, &sem_export,
2328                                           &ext_sem_desc.handle.fd);
2329             if (ret != VK_SUCCESS) {
2330                 av_log(ctx, AV_LOG_ERROR, "Failed to export semaphore: %s\n",
2331                        vk_ret2str(ret));
2332                 err = AVERROR_EXTERNAL;
2333                 goto fail;
2334             }
2335
2336             ret = CHECK_CU(cu->cuImportExternalSemaphore(&dst_int->cu_sem[i],
2337                                                          &ext_sem_desc));
2338             if (ret < 0) {
2339                 err = AVERROR_EXTERNAL;
2340                 goto fail;
2341             }
2342         }
2343     }
2344
2345     return 0;
2346
2347 fail:
2348     return err;
2349 }
2350
2351 static int vulkan_transfer_data_from_cuda(AVHWFramesContext *hwfc,
2352                                           AVFrame *dst, const AVFrame *src)
2353 {
2354     int err;
2355     VkResult ret;
2356     CUcontext dummy;
2357     AVVkFrame *dst_f;
2358     AVVkFrameInternal *dst_int;
2359     const int planes = av_pix_fmt_count_planes(hwfc->sw_format);
2360     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(hwfc->sw_format);
2361
2362     AVHWFramesContext *cuda_fc = (AVHWFramesContext*)src->hw_frames_ctx->data;
2363     AVHWDeviceContext *cuda_cu = cuda_fc->device_ctx;
2364     AVCUDADeviceContext *cuda_dev = cuda_cu->hwctx;
2365     AVCUDADeviceContextInternal *cu_internal = cuda_dev->internal;
2366     CudaFunctions *cu = cu_internal->cuda_dl;
2367     CUDA_EXTERNAL_SEMAPHORE_WAIT_PARAMS s_w_par[AV_NUM_DATA_POINTERS] = { 0 };
2368     CUDA_EXTERNAL_SEMAPHORE_SIGNAL_PARAMS s_s_par[AV_NUM_DATA_POINTERS] = { 0 };
2369
2370     ret = CHECK_CU(cu->cuCtxPushCurrent(cuda_dev->cuda_ctx));
2371     if (ret < 0) {
2372         err = AVERROR_EXTERNAL;
2373         goto fail;
2374     }
2375
2376     dst_f = (AVVkFrame *)dst->data[0];
2377
2378     ret = vulkan_export_to_cuda(hwfc, src->hw_frames_ctx, dst);
2379     if (ret < 0) {
2380         goto fail;
2381     }
2382     dst_int = dst_f->internal;
2383
2384     ret = CHECK_CU(cu->cuWaitExternalSemaphoresAsync(dst_int->cu_sem, s_w_par,
2385                                                      planes, cuda_dev->stream));
2386     if (ret < 0) {
2387         err = AVERROR_EXTERNAL;
2388         goto fail;
2389     }
2390
2391     for (int i = 0; i < planes; i++) {
2392         CUDA_MEMCPY2D cpy = {
2393             .srcMemoryType = CU_MEMORYTYPE_DEVICE,
2394             .srcDevice     = (CUdeviceptr)src->data[i],
2395             .srcPitch      = src->linesize[i],
2396             .srcY          = 0,
2397
2398             .dstMemoryType = CU_MEMORYTYPE_ARRAY,
2399             .dstArray      = dst_int->cu_array[i],
2400             .WidthInBytes  = (i > 0 ? AV_CEIL_RSHIFT(hwfc->width, desc->log2_chroma_w)
2401                                     : hwfc->width) * desc->comp[i].step,
2402             .Height        = i > 0 ? AV_CEIL_RSHIFT(hwfc->height, desc->log2_chroma_h)
2403                                    : hwfc->height,
2404         };
2405
2406         ret = CHECK_CU(cu->cuMemcpy2DAsync(&cpy, cuda_dev->stream));
2407         if (ret < 0) {
2408             err = AVERROR_EXTERNAL;
2409             goto fail;
2410         }
2411     }
2412
2413     ret = CHECK_CU(cu->cuSignalExternalSemaphoresAsync(dst_int->cu_sem, s_s_par,
2414                                                        planes, cuda_dev->stream));
2415     if (ret < 0) {
2416         err = AVERROR_EXTERNAL;
2417         goto fail;
2418     }
2419
2420     CHECK_CU(cu->cuCtxPopCurrent(&dummy));
2421
2422     av_log(hwfc, AV_LOG_VERBOSE, "Transfered CUDA image to Vulkan!\n");
2423
2424     return 0;
2425
2426 fail:
2427     CHECK_CU(cu->cuCtxPopCurrent(&dummy));
2428     vulkan_free_internal(dst_int);
2429     dst_f->internal = NULL;
2430     av_buffer_unref(&dst->buf[0]);
2431     return err;
2432 }
2433 #endif
2434
2435 static int vulkan_map_to(AVHWFramesContext *hwfc, AVFrame *dst,
2436                          const AVFrame *src, int flags)
2437 {
2438     av_unused VulkanDevicePriv *p = hwfc->device_ctx->internal->priv;
2439
2440     switch (src->format) {
2441 #if CONFIG_LIBDRM
2442 #if CONFIG_VAAPI
2443     case AV_PIX_FMT_VAAPI:
2444         if (p->extensions & EXT_EXTERNAL_DMABUF_MEMORY)
2445             return vulkan_map_from_vaapi(hwfc, dst, src, flags);
2446 #endif
2447     case AV_PIX_FMT_DRM_PRIME:
2448         if (p->extensions & EXT_EXTERNAL_DMABUF_MEMORY)
2449             return vulkan_map_from_drm(hwfc, dst, src, flags);
2450 #endif
2451     default:
2452         return AVERROR(ENOSYS);
2453     }
2454 }
2455
2456 #if CONFIG_LIBDRM
2457 typedef struct VulkanDRMMapping {
2458     AVDRMFrameDescriptor drm_desc;
2459     AVVkFrame *source;
2460 } VulkanDRMMapping;
2461
2462 static void vulkan_unmap_to_drm(AVHWFramesContext *hwfc, HWMapDescriptor *hwmap)
2463 {
2464     AVDRMFrameDescriptor *drm_desc = hwmap->priv;
2465
2466     for (int i = 0; i < drm_desc->nb_objects; i++)
2467         close(drm_desc->objects[i].fd);
2468
2469     av_free(drm_desc);
2470 }
2471
2472 static inline uint32_t vulkan_fmt_to_drm(VkFormat vkfmt)
2473 {
2474     for (int i = 0; i < FF_ARRAY_ELEMS(vulkan_drm_format_map); i++)
2475         if (vulkan_drm_format_map[i].vk_format == vkfmt)
2476             return vulkan_drm_format_map[i].drm_fourcc;
2477     return DRM_FORMAT_INVALID;
2478 }
2479
2480 static int vulkan_map_to_drm(AVHWFramesContext *hwfc, AVFrame *dst,
2481                              const AVFrame *src, int flags)
2482 {
2483     int err = 0;
2484     VkResult ret;
2485     AVVkFrame *f = (AVVkFrame *)src->data[0];
2486     VulkanDevicePriv *p = hwfc->device_ctx->internal->priv;
2487     VulkanFramesPriv *fp = hwfc->internal->priv;
2488     AVVulkanDeviceContext *hwctx = hwfc->device_ctx->hwctx;
2489     const int planes = av_pix_fmt_count_planes(hwfc->sw_format);
2490     VK_LOAD_PFN(hwctx->inst, vkGetMemoryFdKHR);
2491     VkImageDrmFormatModifierPropertiesEXT drm_mod = {
2492         .sType = VK_STRUCTURE_TYPE_IMAGE_DRM_FORMAT_MODIFIER_PROPERTIES_EXT,
2493     };
2494
2495     AVDRMFrameDescriptor *drm_desc = av_mallocz(sizeof(*drm_desc));
2496     if (!drm_desc)
2497         return AVERROR(ENOMEM);
2498
2499     err = prepare_frame(hwfc, &fp->conv_ctx, f, PREP_MODE_EXTERNAL_EXPORT);
2500     if (err < 0)
2501         goto end;
2502
2503     err = ff_hwframe_map_create(src->hw_frames_ctx, dst, src, &vulkan_unmap_to_drm, drm_desc);
2504     if (err < 0)
2505         goto end;
2506
2507     if (p->extensions & EXT_DRM_MODIFIER_FLAGS) {
2508         VK_LOAD_PFN(hwctx->inst, vkGetImageDrmFormatModifierPropertiesEXT);
2509         ret = pfn_vkGetImageDrmFormatModifierPropertiesEXT(hwctx->act_dev, f->img[0],
2510                                                            &drm_mod);
2511         if (ret != VK_SUCCESS) {
2512             av_log(hwfc, AV_LOG_ERROR, "Failed to retrieve DRM format modifier!\n");
2513             err = AVERROR_EXTERNAL;
2514             goto end;
2515         }
2516     }
2517
2518     for (int i = 0; (i < planes) && (f->mem[i]); i++) {
2519         VkMemoryGetFdInfoKHR export_info = {
2520             .sType      = VK_STRUCTURE_TYPE_MEMORY_GET_FD_INFO_KHR,
2521             .memory     = f->mem[i],
2522             .handleType = VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT,
2523         };
2524
2525         ret = pfn_vkGetMemoryFdKHR(hwctx->act_dev, &export_info,
2526                                    &drm_desc->objects[i].fd);
2527         if (ret != VK_SUCCESS) {
2528             av_log(hwfc, AV_LOG_ERROR, "Unable to export the image as a FD!\n");
2529             err = AVERROR_EXTERNAL;
2530             goto end;
2531         }
2532
2533         drm_desc->nb_objects++;
2534         drm_desc->objects[i].size = f->size[i];
2535         drm_desc->objects[i].format_modifier = drm_mod.drmFormatModifier;
2536     }
2537
2538     drm_desc->nb_layers = planes;
2539     for (int i = 0; i < drm_desc->nb_layers; i++) {
2540         VkSubresourceLayout layout;
2541         VkImageSubresource sub = {
2542             .aspectMask = p->extensions & EXT_DRM_MODIFIER_FLAGS ?
2543                           VK_IMAGE_ASPECT_MEMORY_PLANE_0_BIT_EXT :
2544                           VK_IMAGE_ASPECT_COLOR_BIT,
2545         };
2546         VkFormat plane_vkfmt = av_vkfmt_from_pixfmt(hwfc->sw_format)[i];
2547
2548         drm_desc->layers[i].format    = vulkan_fmt_to_drm(plane_vkfmt);
2549         drm_desc->layers[i].nb_planes = 1;
2550
2551         if (drm_desc->layers[i].format == DRM_FORMAT_INVALID) {
2552             av_log(hwfc, AV_LOG_ERROR, "Cannot map to DRM layer, unsupported!\n");
2553             err = AVERROR_PATCHWELCOME;
2554             goto end;
2555         }
2556
2557         drm_desc->layers[i].planes[0].object_index = FFMIN(i, drm_desc->nb_objects - 1);
2558
2559         if (f->tiling == VK_IMAGE_TILING_OPTIMAL)
2560             continue;
2561
2562         vkGetImageSubresourceLayout(hwctx->act_dev, f->img[i], &sub, &layout);
2563         drm_desc->layers[i].planes[0].offset       = layout.offset;
2564         drm_desc->layers[i].planes[0].pitch        = layout.rowPitch;
2565     }
2566
2567     dst->width   = src->width;
2568     dst->height  = src->height;
2569     dst->data[0] = (uint8_t *)drm_desc;
2570
2571     av_log(hwfc, AV_LOG_VERBOSE, "Mapped AVVkFrame to a DRM object!\n");
2572
2573     return 0;
2574
2575 end:
2576     av_free(drm_desc);
2577     return err;
2578 }
2579
2580 #if CONFIG_VAAPI
2581 static int vulkan_map_to_vaapi(AVHWFramesContext *hwfc, AVFrame *dst,
2582                                const AVFrame *src, int flags)
2583 {
2584     int err;
2585     AVFrame *tmp = av_frame_alloc();
2586     if (!tmp)
2587         return AVERROR(ENOMEM);
2588
2589     tmp->format = AV_PIX_FMT_DRM_PRIME;
2590
2591     err = vulkan_map_to_drm(hwfc, tmp, src, flags);
2592     if (err < 0)
2593         goto fail;
2594
2595     err = av_hwframe_map(dst, tmp, flags);
2596     if (err < 0)
2597         goto fail;
2598
2599     err = ff_hwframe_map_replace(dst, src);
2600
2601 fail:
2602     av_frame_free(&tmp);
2603     return err;
2604 }
2605 #endif
2606 #endif
2607
2608 static int vulkan_map_from(AVHWFramesContext *hwfc, AVFrame *dst,
2609                            const AVFrame *src, int flags)
2610 {
2611     av_unused VulkanDevicePriv *p = hwfc->device_ctx->internal->priv;
2612
2613     switch (dst->format) {
2614 #if CONFIG_LIBDRM
2615     case AV_PIX_FMT_DRM_PRIME:
2616         if (p->extensions & EXT_EXTERNAL_DMABUF_MEMORY)
2617             return vulkan_map_to_drm(hwfc, dst, src, flags);
2618 #if CONFIG_VAAPI
2619     case AV_PIX_FMT_VAAPI:
2620         if (p->extensions & EXT_EXTERNAL_DMABUF_MEMORY)
2621             return vulkan_map_to_vaapi(hwfc, dst, src, flags);
2622 #endif
2623 #endif
2624     default:
2625         return vulkan_map_frame_to_mem(hwfc, dst, src, flags);
2626     }
2627 }
2628
2629 typedef struct ImageBuffer {
2630     VkBuffer buf;
2631     VkDeviceMemory mem;
2632     VkMemoryPropertyFlagBits flags;
2633 } ImageBuffer;
2634
2635 static void free_buf(void *opaque, uint8_t *data)
2636 {
2637     AVHWDeviceContext *ctx = opaque;
2638     AVVulkanDeviceContext *hwctx = ctx->hwctx;
2639     ImageBuffer *vkbuf = (ImageBuffer *)data;
2640
2641     if (vkbuf->buf)
2642         vkDestroyBuffer(hwctx->act_dev, vkbuf->buf, hwctx->alloc);
2643     if (vkbuf->mem)
2644         vkFreeMemory(hwctx->act_dev, vkbuf->mem, hwctx->alloc);
2645
2646     av_free(data);
2647 }
2648
2649 static int create_buf(AVHWDeviceContext *ctx, AVBufferRef **buf,
2650                       int height, int *stride, VkBufferUsageFlags usage,
2651                       VkMemoryPropertyFlagBits flags, void *create_pnext,
2652                       void *alloc_pnext)
2653 {
2654     int err;
2655     VkResult ret;
2656     VkMemoryRequirements req;
2657     AVVulkanDeviceContext *hwctx = ctx->hwctx;
2658     VulkanDevicePriv *p = ctx->internal->priv;
2659
2660     VkBufferCreateInfo buf_spawn = {
2661         .sType       = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
2662         .pNext       = create_pnext,
2663         .usage       = usage,
2664         .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
2665     };
2666
2667     ImageBuffer *vkbuf = av_mallocz(sizeof(*vkbuf));
2668     if (!vkbuf)
2669         return AVERROR(ENOMEM);
2670
2671     *stride = FFALIGN(*stride, p->props.limits.optimalBufferCopyRowPitchAlignment);
2672     buf_spawn.size = height*(*stride);
2673
2674     ret = vkCreateBuffer(hwctx->act_dev, &buf_spawn, NULL, &vkbuf->buf);
2675     if (ret != VK_SUCCESS) {
2676         av_log(ctx, AV_LOG_ERROR, "Failed to create buffer: %s\n",
2677                vk_ret2str(ret));
2678         return AVERROR_EXTERNAL;
2679     }
2680
2681     vkGetBufferMemoryRequirements(hwctx->act_dev, vkbuf->buf, &req);
2682
2683     err = alloc_mem(ctx, &req, flags, alloc_pnext, &vkbuf->flags, &vkbuf->mem);
2684     if (err)
2685         return err;
2686
2687     ret = vkBindBufferMemory(hwctx->act_dev, vkbuf->buf, vkbuf->mem, 0);
2688     if (ret != VK_SUCCESS) {
2689         av_log(ctx, AV_LOG_ERROR, "Failed to bind memory to buffer: %s\n",
2690                vk_ret2str(ret));
2691         free_buf(ctx, (uint8_t *)vkbuf);
2692         return AVERROR_EXTERNAL;
2693     }
2694
2695     *buf = av_buffer_create((uint8_t *)vkbuf, sizeof(*vkbuf), free_buf, ctx, 0);
2696     if (!(*buf)) {
2697         free_buf(ctx, (uint8_t *)vkbuf);
2698         return AVERROR(ENOMEM);
2699     }
2700
2701     return 0;
2702 }
2703
2704 static int map_buffers(AVHWDeviceContext *ctx, AVBufferRef **bufs, uint8_t *mem[],
2705                        int nb_buffers, int invalidate)
2706 {
2707     VkResult ret;
2708     AVVulkanDeviceContext *hwctx = ctx->hwctx;
2709     VkMappedMemoryRange invalidate_ctx[AV_NUM_DATA_POINTERS];
2710     int invalidate_count = 0;
2711
2712     for (int i = 0; i < nb_buffers; i++) {
2713         ImageBuffer *vkbuf = (ImageBuffer *)bufs[i]->data;
2714         ret = vkMapMemory(hwctx->act_dev, vkbuf->mem, 0,
2715                           VK_WHOLE_SIZE, 0, (void **)&mem[i]);
2716         if (ret != VK_SUCCESS) {
2717             av_log(ctx, AV_LOG_ERROR, "Failed to map buffer memory: %s\n",
2718                    vk_ret2str(ret));
2719             return AVERROR_EXTERNAL;
2720         }
2721     }
2722
2723     if (!invalidate)
2724         return 0;
2725
2726     for (int i = 0; i < nb_buffers; i++) {
2727         ImageBuffer *vkbuf = (ImageBuffer *)bufs[i]->data;
2728         const VkMappedMemoryRange ival_buf = {
2729             .sType  = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE,
2730             .memory = vkbuf->mem,
2731             .size   = VK_WHOLE_SIZE,
2732         };
2733         if (vkbuf->flags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT)
2734             continue;
2735         invalidate_ctx[invalidate_count++] = ival_buf;
2736     }
2737
2738     if (invalidate_count) {
2739         ret = vkInvalidateMappedMemoryRanges(hwctx->act_dev, invalidate_count,
2740                                              invalidate_ctx);
2741         if (ret != VK_SUCCESS)
2742             av_log(ctx, AV_LOG_WARNING, "Failed to invalidate memory: %s\n",
2743                    vk_ret2str(ret));
2744     }
2745
2746     return 0;
2747 }
2748
2749 static int unmap_buffers(AVHWDeviceContext *ctx, AVBufferRef **bufs,
2750                          int nb_buffers, int flush)
2751 {
2752     int err = 0;
2753     VkResult ret;
2754     AVVulkanDeviceContext *hwctx = ctx->hwctx;
2755     VkMappedMemoryRange flush_ctx[AV_NUM_DATA_POINTERS];
2756     int flush_count = 0;
2757
2758     if (flush) {
2759         for (int i = 0; i < nb_buffers; i++) {
2760             ImageBuffer *vkbuf = (ImageBuffer *)bufs[i]->data;
2761             const VkMappedMemoryRange flush_buf = {
2762                 .sType  = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE,
2763                 .memory = vkbuf->mem,
2764                 .size   = VK_WHOLE_SIZE,
2765             };
2766             if (vkbuf->flags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT)
2767                 continue;
2768             flush_ctx[flush_count++] = flush_buf;
2769         }
2770     }
2771
2772     if (flush_count) {
2773         ret = vkFlushMappedMemoryRanges(hwctx->act_dev, flush_count, flush_ctx);
2774         if (ret != VK_SUCCESS) {
2775             av_log(ctx, AV_LOG_ERROR, "Failed to flush memory: %s\n",
2776                     vk_ret2str(ret));
2777             err = AVERROR_EXTERNAL; /* We still want to try to unmap them */
2778         }
2779     }
2780
2781     for (int i = 0; i < nb_buffers; i++) {
2782         ImageBuffer *vkbuf = (ImageBuffer *)bufs[i]->data;
2783         vkUnmapMemory(hwctx->act_dev, vkbuf->mem);
2784     }
2785
2786     return err;
2787 }
2788
2789 static int transfer_image_buf(AVHWFramesContext *hwfc, const AVFrame *f,
2790                               AVBufferRef **bufs, const int *buf_stride, int w,
2791                               int h, enum AVPixelFormat pix_fmt, int to_buf)
2792 {
2793     int err;
2794     AVVkFrame *frame = (AVVkFrame *)f->data[0];
2795     VulkanFramesPriv *fp = hwfc->internal->priv;
2796
2797     int bar_num = 0;
2798     VkPipelineStageFlagBits sem_wait_dst[AV_NUM_DATA_POINTERS];
2799
2800     const int planes = av_pix_fmt_count_planes(pix_fmt);
2801     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
2802
2803     VkImageMemoryBarrier img_bar[AV_NUM_DATA_POINTERS] = { 0 };
2804     VulkanExecCtx *ectx = to_buf ? &fp->download_ctx : &fp->upload_ctx;
2805     VkCommandBuffer cmd_buf = get_buf_exec_ctx(hwfc, ectx);
2806
2807     VkSubmitInfo s_info = {
2808         .sType                = VK_STRUCTURE_TYPE_SUBMIT_INFO,
2809         .pSignalSemaphores    = frame->sem,
2810         .pWaitSemaphores      = frame->sem,
2811         .pWaitDstStageMask    = sem_wait_dst,
2812         .signalSemaphoreCount = planes,
2813         .waitSemaphoreCount   = planes,
2814     };
2815
2816     if ((err = wait_start_exec_ctx(hwfc, ectx)))
2817         return err;
2818
2819     /* Change the image layout to something more optimal for transfers */
2820     for (int i = 0; i < planes; i++) {
2821         VkImageLayout new_layout = to_buf ? VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL :
2822                                             VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
2823         VkAccessFlags new_access = to_buf ? VK_ACCESS_TRANSFER_READ_BIT :
2824                                             VK_ACCESS_TRANSFER_WRITE_BIT;
2825
2826         sem_wait_dst[i] = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
2827
2828         /* If the layout matches and we have read access skip the barrier */
2829         if ((frame->layout[i] == new_layout) && (frame->access[i] & new_access))
2830             continue;
2831
2832         img_bar[bar_num].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
2833         img_bar[bar_num].srcAccessMask = 0x0;
2834         img_bar[bar_num].dstAccessMask = new_access;
2835         img_bar[bar_num].oldLayout = frame->layout[i];
2836         img_bar[bar_num].newLayout = new_layout;
2837         img_bar[bar_num].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
2838         img_bar[bar_num].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
2839         img_bar[bar_num].image = frame->img[i];
2840         img_bar[bar_num].subresourceRange.levelCount = 1;
2841         img_bar[bar_num].subresourceRange.layerCount = 1;
2842         img_bar[bar_num].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
2843
2844         frame->layout[i] = img_bar[bar_num].newLayout;
2845         frame->access[i] = img_bar[bar_num].dstAccessMask;
2846
2847         bar_num++;
2848     }
2849
2850     if (bar_num)
2851         vkCmdPipelineBarrier(cmd_buf, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
2852                              VK_PIPELINE_STAGE_TRANSFER_BIT, 0,
2853                              0, NULL, 0, NULL, bar_num, img_bar);
2854
2855     /* Schedule a copy for each plane */
2856     for (int i = 0; i < planes; i++) {
2857         ImageBuffer *vkbuf = (ImageBuffer *)bufs[i]->data;
2858         const int p_w = i > 0 ? AV_CEIL_RSHIFT(w, desc->log2_chroma_w) : w;
2859         const int p_h = i > 0 ? AV_CEIL_RSHIFT(h, desc->log2_chroma_h) : h;
2860         VkBufferImageCopy buf_reg = {
2861             .bufferOffset = 0,
2862             /* Buffer stride isn't in bytes, it's in samples, the implementation
2863              * uses the image's VkFormat to know how many bytes per sample
2864              * the buffer has. So we have to convert by dividing. Stupid.
2865              * Won't work with YUVA or other planar formats with alpha. */
2866             .bufferRowLength = buf_stride[i] / desc->comp[i].step,
2867             .bufferImageHeight = p_h,
2868             .imageSubresource.layerCount = 1,
2869             .imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
2870             .imageOffset = { 0, 0, 0, },
2871             .imageExtent = { p_w, p_h, 1, },
2872         };
2873
2874         if (to_buf)
2875             vkCmdCopyImageToBuffer(cmd_buf, frame->img[i], frame->layout[i],
2876                                    vkbuf->buf, 1, &buf_reg);
2877         else
2878             vkCmdCopyBufferToImage(cmd_buf, vkbuf->buf, frame->img[i],
2879                                    frame->layout[i], 1, &buf_reg);
2880     }
2881
2882     /* When uploading, do this asynchronously if the source is refcounted by
2883      * keeping the buffers as a submission dependency.
2884      * The hwcontext is guaranteed to not be freed until all frames are freed
2885      * in the frames_unint function.
2886      * When downloading to buffer, do this synchronously and wait for the
2887      * queue submission to finish executing */
2888     if (!to_buf) {
2889         int ref;
2890         for (ref = 0; ref < AV_NUM_DATA_POINTERS; ref++) {
2891             if (!f->buf[ref])
2892                 break;
2893             if ((err = add_buf_dep_exec_ctx(hwfc, ectx, &f->buf[ref], 1)))
2894                 return err;
2895         }
2896         if (ref && (err = add_buf_dep_exec_ctx(hwfc, ectx, bufs, planes)))
2897             return err;
2898         return submit_exec_ctx(hwfc, ectx, &s_info, !ref);
2899     } else {
2900         return submit_exec_ctx(hwfc, ectx, &s_info,    1);
2901     }
2902 }
2903
2904 /* Technically we can use VK_EXT_external_memory_host to upload and download,
2905  * however the alignment requirements make this unfeasible as both the pointer
2906  * and the size of each plane need to be aligned to the minimum alignment
2907  * requirement, which on all current implementations (anv, radv) is 4096.
2908  * If the requirement gets relaxed (unlikely) this can easily be implemented. */
2909 static int vulkan_transfer_data_from_mem(AVHWFramesContext *hwfc, AVFrame *dst,
2910                                          const AVFrame *src)
2911 {
2912     int err = 0;
2913     AVFrame tmp;
2914     AVVkFrame *f = (AVVkFrame *)dst->data[0];
2915     AVHWDeviceContext *dev_ctx = hwfc->device_ctx;
2916     AVBufferRef *bufs[AV_NUM_DATA_POINTERS] = { 0 };
2917     const int planes = av_pix_fmt_count_planes(src->format);
2918     int log2_chroma = av_pix_fmt_desc_get(src->format)->log2_chroma_h;
2919
2920     if ((src->format != AV_PIX_FMT_NONE && !av_vkfmt_from_pixfmt(src->format))) {
2921         av_log(hwfc, AV_LOG_ERROR, "Unsupported source pixel format!\n");
2922         return AVERROR(EINVAL);
2923     }
2924
2925     if (src->width > hwfc->width || src->height > hwfc->height)
2926         return AVERROR(EINVAL);
2927
2928     /* For linear, host visiable images */
2929     if (f->tiling == VK_IMAGE_TILING_LINEAR &&
2930         f->flags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) {
2931         AVFrame *map = av_frame_alloc();
2932         if (!map)
2933             return AVERROR(ENOMEM);
2934         map->format = src->format;
2935
2936         err = vulkan_map_frame_to_mem(hwfc, map, dst, AV_HWFRAME_MAP_WRITE);
2937         if (err)
2938             return err;
2939
2940         err = av_frame_copy(map, src);
2941         av_frame_free(&map);
2942         return err;
2943     }
2944
2945     /* Create buffers */
2946     for (int i = 0; i < planes; i++) {
2947         int h = src->height;
2948         int p_height = i > 0 ? AV_CEIL_RSHIFT(h, log2_chroma) : h;
2949
2950         tmp.linesize[i] = FFABS(src->linesize[i]);
2951         err = create_buf(dev_ctx, &bufs[i], p_height,
2952                          &tmp.linesize[i], VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
2953                          VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, NULL, NULL);
2954         if (err)
2955             goto end;
2956     }
2957
2958     /* Map, copy image to buffer, unmap */
2959     if ((err = map_buffers(dev_ctx, bufs, tmp.data, planes, 0)))
2960         goto end;
2961
2962     av_image_copy(tmp.data, tmp.linesize, (const uint8_t **)src->data,
2963                   src->linesize, src->format, src->width, src->height);
2964
2965     if ((err = unmap_buffers(dev_ctx, bufs, planes, 1)))
2966         goto end;
2967
2968     /* Copy buffers to image */
2969     err = transfer_image_buf(hwfc, dst, bufs, tmp.linesize,
2970                              src->width, src->height, src->format, 0);
2971
2972 end:
2973     for (int i = 0; i < planes; i++)
2974         av_buffer_unref(&bufs[i]);
2975
2976     return err;
2977 }
2978
2979 static int vulkan_transfer_data_to(AVHWFramesContext *hwfc, AVFrame *dst,
2980                                         const AVFrame *src)
2981 {
2982     av_unused VulkanDevicePriv *p = hwfc->device_ctx->internal->priv;
2983
2984     switch (src->format) {
2985 #if CONFIG_CUDA
2986     case AV_PIX_FMT_CUDA:
2987         if ((p->extensions & EXT_EXTERNAL_FD_MEMORY) &&
2988             (p->extensions & EXT_EXTERNAL_FD_SEM))
2989             return vulkan_transfer_data_from_cuda(hwfc, dst, src);
2990 #endif
2991     default:
2992         if (src->hw_frames_ctx)
2993             return AVERROR(ENOSYS);
2994         else
2995             return vulkan_transfer_data_from_mem(hwfc, dst, src);
2996     }
2997 }
2998
2999 #if CONFIG_CUDA
3000 static int vulkan_transfer_data_to_cuda(AVHWFramesContext *hwfc, AVFrame *dst,
3001                                       const AVFrame *src)
3002 {
3003     int err;
3004     VkResult ret;
3005     CUcontext dummy;
3006     AVVkFrame *dst_f;
3007     AVVkFrameInternal *dst_int;
3008     const int planes = av_pix_fmt_count_planes(hwfc->sw_format);
3009     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(hwfc->sw_format);
3010
3011     AVHWFramesContext *cuda_fc = (AVHWFramesContext*)dst->hw_frames_ctx->data;
3012     AVHWDeviceContext *cuda_cu = cuda_fc->device_ctx;
3013     AVCUDADeviceContext *cuda_dev = cuda_cu->hwctx;
3014     AVCUDADeviceContextInternal *cu_internal = cuda_dev->internal;
3015     CudaFunctions *cu = cu_internal->cuda_dl;
3016
3017     ret = CHECK_CU(cu->cuCtxPushCurrent(cuda_dev->cuda_ctx));
3018     if (ret < 0) {
3019         err = AVERROR_EXTERNAL;
3020         goto fail;
3021     }
3022
3023     dst_f = (AVVkFrame *)src->data[0];
3024
3025     err = vulkan_export_to_cuda(hwfc, dst->hw_frames_ctx, src);
3026     if (err < 0) {
3027         goto fail;
3028     }
3029
3030     dst_int = dst_f->internal;
3031
3032     for (int i = 0; i < planes; i++) {
3033         CUDA_MEMCPY2D cpy = {
3034             .dstMemoryType = CU_MEMORYTYPE_DEVICE,
3035             .dstDevice     = (CUdeviceptr)dst->data[i],
3036             .dstPitch      = dst->linesize[i],
3037             .dstY          = 0,
3038
3039             .srcMemoryType = CU_MEMORYTYPE_ARRAY,
3040             .srcArray      = dst_int->cu_array[i],
3041             .WidthInBytes  = (i > 0 ? AV_CEIL_RSHIFT(hwfc->width, desc->log2_chroma_w)
3042                                     : hwfc->width) * desc->comp[i].step,
3043             .Height        = i > 0 ? AV_CEIL_RSHIFT(hwfc->height, desc->log2_chroma_h)
3044                                    : hwfc->height,
3045         };
3046
3047         ret = CHECK_CU(cu->cuMemcpy2DAsync(&cpy, cuda_dev->stream));
3048         if (ret < 0) {
3049             err = AVERROR_EXTERNAL;
3050             goto fail;
3051         }
3052     }
3053
3054     CHECK_CU(cu->cuCtxPopCurrent(&dummy));
3055
3056     av_log(hwfc, AV_LOG_VERBOSE, "Transfered Vulkan image to CUDA!\n");
3057
3058     return 0;
3059
3060 fail:
3061     CHECK_CU(cu->cuCtxPopCurrent(&dummy));
3062     vulkan_free_internal(dst_int);
3063     dst_f->internal = NULL;
3064     av_buffer_unref(&dst->buf[0]);
3065     return err;
3066 }
3067 #endif
3068
3069 static int vulkan_transfer_data_to_mem(AVHWFramesContext *hwfc, AVFrame *dst,
3070                                        const AVFrame *src)
3071 {
3072     int err = 0;
3073     AVFrame tmp;
3074     AVVkFrame *f = (AVVkFrame *)src->data[0];
3075     AVHWDeviceContext *dev_ctx = hwfc->device_ctx;
3076     AVBufferRef *bufs[AV_NUM_DATA_POINTERS] = { 0 };
3077     const int planes = av_pix_fmt_count_planes(dst->format);
3078     int log2_chroma = av_pix_fmt_desc_get(dst->format)->log2_chroma_h;
3079
3080     if (dst->width > hwfc->width || dst->height > hwfc->height)
3081         return AVERROR(EINVAL);
3082
3083     /* For linear, host visiable images */
3084     if (f->tiling == VK_IMAGE_TILING_LINEAR &&
3085         f->flags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) {
3086         AVFrame *map = av_frame_alloc();
3087         if (!map)
3088             return AVERROR(ENOMEM);
3089         map->format = dst->format;
3090
3091         err = vulkan_map_frame_to_mem(hwfc, map, src, AV_HWFRAME_MAP_READ);
3092         if (err)
3093             return err;
3094
3095         err = av_frame_copy(dst, map);
3096         av_frame_free(&map);
3097         return err;
3098     }
3099
3100     /* Create buffers */
3101     for (int i = 0; i < planes; i++) {
3102         int h = dst->height;
3103         int p_height = i > 0 ? AV_CEIL_RSHIFT(h, log2_chroma) : h;
3104
3105         tmp.linesize[i] = FFABS(dst->linesize[i]);
3106         err = create_buf(dev_ctx, &bufs[i], p_height,
3107                          &tmp.linesize[i], VK_BUFFER_USAGE_TRANSFER_DST_BIT,
3108                          VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, NULL, NULL);
3109         if (err)
3110             goto end;
3111     }
3112
3113     /* Copy image to buffer */
3114     if ((err = transfer_image_buf(hwfc, src, bufs, tmp.linesize,
3115                                   dst->width, dst->height, dst->format, 1)))
3116         goto end;
3117
3118     /* Map, copy buffer to frame, unmap */
3119     if ((err = map_buffers(dev_ctx, bufs, tmp.data, planes, 1)))
3120         goto end;
3121
3122     av_image_copy(dst->data, dst->linesize, (const uint8_t **)tmp.data,
3123                   tmp.linesize, dst->format, dst->width, dst->height);
3124
3125     err = unmap_buffers(dev_ctx, bufs, planes, 0);
3126
3127 end:
3128     for (int i = 0; i < planes; i++)
3129         av_buffer_unref(&bufs[i]);
3130
3131     return err;
3132 }
3133
3134 static int vulkan_transfer_data_from(AVHWFramesContext *hwfc, AVFrame *dst,
3135                                      const AVFrame *src)
3136 {
3137     av_unused VulkanDevicePriv *p = hwfc->device_ctx->internal->priv;
3138
3139     switch (dst->format) {
3140 #if CONFIG_CUDA
3141     case AV_PIX_FMT_CUDA:
3142         if ((p->extensions & EXT_EXTERNAL_FD_MEMORY) &&
3143             (p->extensions & EXT_EXTERNAL_FD_SEM))
3144             return vulkan_transfer_data_to_cuda(hwfc, dst, src);
3145 #endif
3146     default:
3147         if (dst->hw_frames_ctx)
3148             return AVERROR(ENOSYS);
3149         else
3150             return vulkan_transfer_data_to_mem(hwfc, dst, src);
3151     }
3152 }
3153
3154 AVVkFrame *av_vk_frame_alloc(void)
3155 {
3156     return av_mallocz(sizeof(AVVkFrame));
3157 }
3158
3159 const HWContextType ff_hwcontext_type_vulkan = {
3160     .type                   = AV_HWDEVICE_TYPE_VULKAN,
3161     .name                   = "Vulkan",
3162
3163     .device_hwctx_size      = sizeof(AVVulkanDeviceContext),
3164     .device_priv_size       = sizeof(VulkanDevicePriv),
3165     .frames_hwctx_size      = sizeof(AVVulkanFramesContext),
3166     .frames_priv_size       = sizeof(VulkanFramesPriv),
3167
3168     .device_init            = &vulkan_device_init,
3169     .device_create          = &vulkan_device_create,
3170     .device_derive          = &vulkan_device_derive,
3171
3172     .frames_get_constraints = &vulkan_frames_get_constraints,
3173     .frames_init            = vulkan_frames_init,
3174     .frames_get_buffer      = vulkan_get_buffer,
3175     .frames_uninit          = vulkan_frames_uninit,
3176
3177     .transfer_get_formats   = vulkan_transfer_get_formats,
3178     .transfer_data_to       = vulkan_transfer_data_to,
3179     .transfer_data_from     = vulkan_transfer_data_from,
3180
3181     .map_to                 = vulkan_map_to,
3182     .map_from               = vulkan_map_from,
3183
3184     .pix_fmts = (const enum AVPixelFormat []) {
3185         AV_PIX_FMT_VULKAN,
3186         AV_PIX_FMT_NONE
3187     },
3188 };