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