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hwcontext_vulkan.c
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/*
* Copyright (c) Lynne
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define VK_NO_PROTOTYPES
#define VK_ENABLE_BETA_EXTENSIONS
#ifdef _WIN32
#include <windows.h> /* Included to prevent conflicts with CreateSemaphore */
#include <versionhelpers.h>
#include "compat/w32dlfcn.h"
#else
#include <dlfcn.h>
#endif
#include "thread.h"
#include <unistd.h>
#include "config.h"
#include "pixdesc.h"
#include "avstring.h"
#include "imgutils.h"
#include "hwcontext.h"
#include "avassert.h"
#include "hwcontext_internal.h"
#include "hwcontext_vulkan.h"
#include "vulkan.h"
#include "vulkan_loader.h"
#if CONFIG_VAAPI
#include "hwcontext_vaapi.h"
#endif
#if CONFIG_LIBDRM
#if CONFIG_VAAPI
#include <va/va_drmcommon.h>
#endif
#ifdef __linux__
#include <sys/sysmacros.h>
#endif
#include <sys/stat.h>
#include <xf86drm.h>
#include <drm_fourcc.h>
#include "hwcontext_drm.h"
#endif
#if CONFIG_CUDA
#include "hwcontext_cuda_internal.h"
#include "cuda_check.h"
#define CHECK_CU(x) FF_CUDA_CHECK_DL(cuda_cu, cu, x)
#endif
typedef struct VulkanQueueCtx {
VkFence fence;
VkQueue queue;
int was_synchronous;
int qf;
int qidx;
/* Buffer dependencies */
AVBufferRef **buf_deps;
int nb_buf_deps;
unsigned int buf_deps_alloc_size;
} VulkanQueueCtx;
typedef struct VulkanDevicePriv {
/* Vulkan library and loader functions */
void *libvulkan;
FFVulkanContext vkctx;
FFVkQueueFamilyCtx compute_qf;
FFVkQueueFamilyCtx transfer_qf;
/* Properties */
VkPhysicalDeviceProperties2 props;
VkPhysicalDeviceMemoryProperties mprops;
VkPhysicalDeviceExternalMemoryHostPropertiesEXT hprops;
/* Features */
VkPhysicalDeviceVulkan11Features device_features_1_1;
VkPhysicalDeviceVulkan12Features device_features_1_2;
VkPhysicalDeviceVulkan13Features device_features_1_3;
VkPhysicalDeviceDescriptorBufferFeaturesEXT desc_buf_features;
VkPhysicalDeviceShaderAtomicFloatFeaturesEXT atomic_float_features;
/* Queues */
pthread_mutex_t **qf_mutex;
uint32_t nb_tot_qfs;
uint32_t img_qfs[5];
uint32_t nb_img_qfs;
/* Debug callback */
VkDebugUtilsMessengerEXT debug_ctx;
/* Settings */
int use_linear_images;
/* Option to allocate all image planes in a single allocation */
int contiguous_planes;
/* Disable multiplane images */
int disable_multiplane;
/* Nvidia */
int dev_is_nvidia;
} VulkanDevicePriv;
typedef struct VulkanFramesPriv {
/* Image conversions */
FFVkExecPool compute_exec;
/* Image transfers */
FFVkExecPool upload_exec;
FFVkExecPool download_exec;
/* Modifier info list to free at uninit */
VkImageDrmFormatModifierListCreateInfoEXT *modifier_info;
} VulkanFramesPriv;
typedef struct AVVkFrameInternal {
pthread_mutex_t update_mutex;
#if CONFIG_CUDA
/* Importing external memory into cuda is really expensive so we keep the
* memory imported all the time */
AVBufferRef *cuda_fc_ref; /* Need to keep it around for uninit */
CUexternalMemory ext_mem[AV_NUM_DATA_POINTERS];
CUmipmappedArray cu_mma[AV_NUM_DATA_POINTERS];
CUarray cu_array[AV_NUM_DATA_POINTERS];
CUexternalSemaphore cu_sem[AV_NUM_DATA_POINTERS];
#ifdef _WIN32
HANDLE ext_mem_handle[AV_NUM_DATA_POINTERS];
HANDLE ext_sem_handle[AV_NUM_DATA_POINTERS];
#endif
#endif
} AVVkFrameInternal;
#define ASPECT_2PLANE (VK_IMAGE_ASPECT_PLANE_0_BIT | VK_IMAGE_ASPECT_PLANE_1_BIT)
#define ASPECT_3PLANE (VK_IMAGE_ASPECT_PLANE_0_BIT | VK_IMAGE_ASPECT_PLANE_1_BIT | VK_IMAGE_ASPECT_PLANE_2_BIT)
static const struct FFVkFormatEntry {
VkFormat vkf;
enum AVPixelFormat pixfmt;
VkImageAspectFlags aspect;
int vk_planes;
int nb_images;
int nb_images_fallback;
const VkFormat fallback[5];
} vk_formats_list[] = {
/* Gray formats */
{ VK_FORMAT_R8_UNORM, AV_PIX_FMT_GRAY8, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R8_UNORM } },
{ VK_FORMAT_R16_UNORM, AV_PIX_FMT_GRAY16, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R16_UNORM } },
{ VK_FORMAT_R32_SFLOAT, AV_PIX_FMT_GRAYF32, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R32_SFLOAT } },
/* RGB formats */
{ VK_FORMAT_R16G16B16A16_UNORM, AV_PIX_FMT_XV36, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R16G16B16A16_UNORM } },
{ VK_FORMAT_B8G8R8A8_UNORM, AV_PIX_FMT_BGRA, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_B8G8R8A8_UNORM } },
{ VK_FORMAT_R8G8B8A8_UNORM, AV_PIX_FMT_RGBA, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R8G8B8A8_UNORM } },
{ VK_FORMAT_R8G8B8_UNORM, AV_PIX_FMT_RGB24, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R8G8B8_UNORM } },
{ VK_FORMAT_B8G8R8_UNORM, AV_PIX_FMT_BGR24, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_B8G8R8_UNORM } },
{ VK_FORMAT_R16G16B16_UNORM, AV_PIX_FMT_RGB48, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R16G16B16_UNORM } },
{ VK_FORMAT_R16G16B16A16_UNORM, AV_PIX_FMT_RGBA64, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R16G16B16A16_UNORM } },
{ VK_FORMAT_R5G6B5_UNORM_PACK16, AV_PIX_FMT_RGB565, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R5G6B5_UNORM_PACK16 } },
{ VK_FORMAT_B5G6R5_UNORM_PACK16, AV_PIX_FMT_BGR565, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_B5G6R5_UNORM_PACK16 } },
{ VK_FORMAT_B8G8R8A8_UNORM, AV_PIX_FMT_BGR0, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_B8G8R8A8_UNORM } },
{ VK_FORMAT_R8G8B8A8_UNORM, AV_PIX_FMT_RGB0, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R8G8B8A8_UNORM } },
{ VK_FORMAT_A2R10G10B10_UNORM_PACK32, AV_PIX_FMT_X2RGB10, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_A2R10G10B10_UNORM_PACK32 } },
/* Planar RGB */
{ VK_FORMAT_R8_UNORM, AV_PIX_FMT_GBRAP, VK_IMAGE_ASPECT_COLOR_BIT, 1, 4, 4, { VK_FORMAT_R8_UNORM, VK_FORMAT_R8_UNORM, VK_FORMAT_R8_UNORM, VK_FORMAT_R8_UNORM } },
{ VK_FORMAT_R16_UNORM, AV_PIX_FMT_GBRAP16, VK_IMAGE_ASPECT_COLOR_BIT, 1, 4, 4, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM } },
{ VK_FORMAT_R32_SFLOAT, AV_PIX_FMT_GBRPF32, VK_IMAGE_ASPECT_COLOR_BIT, 1, 3, 3, { VK_FORMAT_R32_SFLOAT, VK_FORMAT_R32_SFLOAT, VK_FORMAT_R32_SFLOAT } },
{ VK_FORMAT_R32_SFLOAT, AV_PIX_FMT_GBRAPF32, VK_IMAGE_ASPECT_COLOR_BIT, 1, 4, 4, { VK_FORMAT_R32_SFLOAT, VK_FORMAT_R32_SFLOAT, VK_FORMAT_R32_SFLOAT, VK_FORMAT_R32_SFLOAT } },
/* Two-plane 420 YUV at 8, 10, 12 and 16 bits */
{ VK_FORMAT_G8_B8R8_2PLANE_420_UNORM, AV_PIX_FMT_NV12, ASPECT_2PLANE, 2, 1, 2, { VK_FORMAT_R8_UNORM, VK_FORMAT_R8G8_UNORM } },
{ VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16, AV_PIX_FMT_P010, ASPECT_2PLANE, 2, 1, 2, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16G16_UNORM } },
{ VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16, AV_PIX_FMT_P012, ASPECT_2PLANE, 2, 1, 2, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16G16_UNORM } },
{ VK_FORMAT_G16_B16R16_2PLANE_420_UNORM, AV_PIX_FMT_P016, ASPECT_2PLANE, 2, 1, 2, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16G16_UNORM } },
/* Two-plane 422 YUV at 8, 10 and 16 bits */
{ VK_FORMAT_G8_B8R8_2PLANE_422_UNORM, AV_PIX_FMT_NV16, ASPECT_2PLANE, 2, 1, 2, { VK_FORMAT_R8_UNORM, VK_FORMAT_R8G8_UNORM } },
{ VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16, AV_PIX_FMT_P210, ASPECT_2PLANE, 2, 1, 2, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16G16_UNORM } },
{ VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16, AV_PIX_FMT_P212, ASPECT_2PLANE, 2, 1, 2, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16G16_UNORM } },
{ VK_FORMAT_G16_B16R16_2PLANE_422_UNORM, AV_PIX_FMT_P216, ASPECT_2PLANE, 2, 1, 2, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16G16_UNORM } },
/* Two-plane 444 YUV at 8, 10 and 16 bits */
{ VK_FORMAT_G8_B8R8_2PLANE_444_UNORM, AV_PIX_FMT_NV24, ASPECT_2PLANE, 2, 1, 2, { VK_FORMAT_R8_UNORM, VK_FORMAT_R8G8_UNORM } },
{ VK_FORMAT_G10X6_B10X6R10X6_2PLANE_444_UNORM_3PACK16, AV_PIX_FMT_P410, ASPECT_2PLANE, 2, 1, 2, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16G16_UNORM } },
{ VK_FORMAT_G12X4_B12X4R12X4_2PLANE_444_UNORM_3PACK16, AV_PIX_FMT_P412, ASPECT_2PLANE, 2, 1, 2, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16G16_UNORM } },
{ VK_FORMAT_G16_B16R16_2PLANE_444_UNORM, AV_PIX_FMT_P416, ASPECT_2PLANE, 2, 1, 2, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16G16_UNORM } },
/* Three-plane 420, 422, 444 at 8, 10, 12 and 16 bits */
{ VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM, AV_PIX_FMT_YUV420P, ASPECT_3PLANE, 3, 1, 3, { VK_FORMAT_R8_UNORM, VK_FORMAT_R8_UNORM, VK_FORMAT_R8_UNORM } },
{ VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM, AV_PIX_FMT_YUV420P10, ASPECT_3PLANE, 3, 1, 3, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM } },
{ VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM, AV_PIX_FMT_YUV420P12, ASPECT_3PLANE, 3, 1, 3, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM } },
{ VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM, AV_PIX_FMT_YUV420P16, ASPECT_3PLANE, 3, 1, 3, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM } },
{ VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM, AV_PIX_FMT_YUV422P, ASPECT_3PLANE, 3, 1, 3, { VK_FORMAT_R8_UNORM, VK_FORMAT_R8_UNORM, VK_FORMAT_R8_UNORM } },
{ VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM, AV_PIX_FMT_YUV422P10, ASPECT_3PLANE, 3, 1, 3, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM } },
{ VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM, AV_PIX_FMT_YUV422P12, ASPECT_3PLANE, 3, 1, 3, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM } },
{ VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM, AV_PIX_FMT_YUV422P16, ASPECT_3PLANE, 3, 1, 3, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM } },
{ VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM, AV_PIX_FMT_YUV444P, ASPECT_3PLANE, 3, 1, 3, { VK_FORMAT_R8_UNORM, VK_FORMAT_R8_UNORM, VK_FORMAT_R8_UNORM } },
{ VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM, AV_PIX_FMT_YUV444P10, ASPECT_3PLANE, 3, 1, 3, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM } },
{ VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM, AV_PIX_FMT_YUV444P12, ASPECT_3PLANE, 3, 1, 3, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM } },
{ VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM, AV_PIX_FMT_YUV444P16, ASPECT_3PLANE, 3, 1, 3, { VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM, VK_FORMAT_R16_UNORM } },
/* Single plane 422 at 8, 10 and 12 bits */
{ VK_FORMAT_G8B8G8R8_422_UNORM, AV_PIX_FMT_YUYV422, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R8G8B8A8_UNORM } },
{ VK_FORMAT_B8G8R8G8_422_UNORM, AV_PIX_FMT_UYVY422, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R8G8B8A8_UNORM } },
{ VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16, AV_PIX_FMT_Y210, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R16G16B16A16_UNORM } },
{ VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16, AV_PIX_FMT_Y212, VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R16G16B16A16_UNORM } },
};
static const int nb_vk_formats_list = FF_ARRAY_ELEMS(vk_formats_list);
const VkFormat *av_vkfmt_from_pixfmt(enum AVPixelFormat p)
{
for (int i = 0; i < nb_vk_formats_list; i++)
if (vk_formats_list[i].pixfmt == p)
return vk_formats_list[i].fallback;
return NULL;
}
static const struct FFVkFormatEntry *vk_find_format_entry(enum AVPixelFormat p)
{
for (int i = 0; i < nb_vk_formats_list; i++)
if (vk_formats_list[i].pixfmt == p)
return &vk_formats_list[i];
return NULL;
}
/* Malitia pura, Khronos */
#define FN_MAP_TO(dst_t, dst_name, src_t, src_name) \
static av_unused dst_t map_ ##src_name## _to_ ##dst_name(src_t src) \
{ \
dst_t dst = 0x0; \
MAP_TO(VK_FORMAT_FEATURE_2_SAMPLED_IMAGE_BIT, \
VK_IMAGE_USAGE_SAMPLED_BIT); \
MAP_TO(VK_FORMAT_FEATURE_2_TRANSFER_SRC_BIT, \
VK_IMAGE_USAGE_TRANSFER_SRC_BIT); \
MAP_TO(VK_FORMAT_FEATURE_2_TRANSFER_DST_BIT, \
VK_IMAGE_USAGE_TRANSFER_DST_BIT); \
MAP_TO(VK_FORMAT_FEATURE_2_STORAGE_IMAGE_BIT, \
VK_IMAGE_USAGE_STORAGE_BIT); \
MAP_TO(VK_FORMAT_FEATURE_2_COLOR_ATTACHMENT_BIT, \
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT); \
MAP_TO(VK_FORMAT_FEATURE_2_VIDEO_DECODE_OUTPUT_BIT_KHR, \
VK_IMAGE_USAGE_VIDEO_DECODE_DST_BIT_KHR); \
MAP_TO(VK_FORMAT_FEATURE_2_VIDEO_DECODE_DPB_BIT_KHR, \
VK_IMAGE_USAGE_VIDEO_DECODE_DPB_BIT_KHR); \
MAP_TO(VK_FORMAT_FEATURE_2_VIDEO_ENCODE_DPB_BIT_KHR, \
VK_IMAGE_USAGE_VIDEO_ENCODE_DPB_BIT_KHR); \
MAP_TO(VK_FORMAT_FEATURE_2_VIDEO_ENCODE_INPUT_BIT_KHR, \
VK_IMAGE_USAGE_VIDEO_ENCODE_SRC_BIT_KHR); \
return dst; \
}
#define MAP_TO(flag1, flag2) if (src & flag2) dst |= flag1;
FN_MAP_TO(VkFormatFeatureFlagBits2, feats, VkImageUsageFlags, usage)
#undef MAP_TO
#define MAP_TO(flag1, flag2) if (src & flag1) dst |= flag2;
FN_MAP_TO(VkImageUsageFlags, usage, VkFormatFeatureFlagBits2, feats)
#undef MAP_TO
#undef FN_MAP_TO
static int vkfmt_from_pixfmt2(AVHWDeviceContext *dev_ctx, enum AVPixelFormat p,
VkImageTiling tiling,
VkFormat fmts[AV_NUM_DATA_POINTERS],
int *nb_images, VkImageAspectFlags *aspect,
VkImageUsageFlags *supported_usage, int disable_multiplane)
{
AVVulkanDeviceContext *hwctx = dev_ctx->hwctx;
VulkanDevicePriv *priv = dev_ctx->internal->priv;
FFVulkanFunctions *vk = &priv->vkctx.vkfn;
const VkFormatFeatureFlagBits2 basic_flags = VK_FORMAT_FEATURE_2_SAMPLED_IMAGE_BIT |
VK_FORMAT_FEATURE_2_TRANSFER_SRC_BIT |
VK_FORMAT_FEATURE_2_TRANSFER_DST_BIT;
for (int i = 0; i < nb_vk_formats_list; i++) {
if (vk_formats_list[i].pixfmt == p) {
VkFormatProperties2 prop = {
.sType = VK_STRUCTURE_TYPE_FORMAT_PROPERTIES_2,
};
VkFormatFeatureFlagBits2 feats_primary, feats_secondary;
int basics_primary = 0, basics_secondary = 0;
vk->GetPhysicalDeviceFormatProperties2(hwctx->phys_dev,
vk_formats_list[i].vkf,
&prop);
feats_primary = tiling == VK_IMAGE_TILING_LINEAR ?
prop.formatProperties.linearTilingFeatures :
prop.formatProperties.optimalTilingFeatures;
basics_primary = (feats_primary & basic_flags) == basic_flags;
if (vk_formats_list[i].vkf != vk_formats_list[i].fallback[0]) {
vk->GetPhysicalDeviceFormatProperties2(hwctx->phys_dev,
vk_formats_list[i].fallback[0],
&prop);
feats_secondary = tiling == VK_IMAGE_TILING_LINEAR ?
prop.formatProperties.linearTilingFeatures :
prop.formatProperties.optimalTilingFeatures;
basics_secondary = (feats_secondary & basic_flags) == basic_flags;
} else {
basics_secondary = basics_primary;
}
if (basics_primary && !(disable_multiplane && vk_formats_list[i].vk_planes > 1)) {
if (fmts)
fmts[0] = vk_formats_list[i].vkf;
if (nb_images)
*nb_images = 1;
if (aspect)
*aspect = vk_formats_list[i].aspect;
if (supported_usage)
*supported_usage = map_feats_to_usage(feats_primary);
return 0;
} else if (basics_secondary) {
if (fmts) {
for (int j = 0; j < vk_formats_list[i].nb_images_fallback; j++)
fmts[j] = vk_formats_list[i].fallback[j];
}
if (nb_images)
*nb_images = vk_formats_list[i].nb_images_fallback;
if (aspect)
*aspect = vk_formats_list[i].aspect;
if (supported_usage)
*supported_usage = map_feats_to_usage(feats_secondary);
return 0;
} else {
return AVERROR(ENOTSUP);
}
}
}
return AVERROR(EINVAL);
}
static int load_libvulkan(AVHWDeviceContext *ctx)
{
AVVulkanDeviceContext *hwctx = ctx->hwctx;
VulkanDevicePriv *p = ctx->internal->priv;
static const char *lib_names[] = {
#if defined(_WIN32)
"vulkan-1.dll",
#elif defined(__APPLE__)
"libvulkan.dylib",
"libvulkan.1.dylib",
"libMoltenVK.dylib",
#else
"libvulkan.so.1",
"libvulkan.so",
#endif
};
for (int i = 0; i < FF_ARRAY_ELEMS(lib_names); i++) {
p->libvulkan = dlopen(lib_names[i], RTLD_NOW | RTLD_LOCAL);
if (p->libvulkan)
break;
}
if (!p->libvulkan) {
av_log(ctx, AV_LOG_ERROR, "Unable to open the libvulkan library!\n");
return AVERROR_UNKNOWN;
}
hwctx->get_proc_addr = (PFN_vkGetInstanceProcAddr)dlsym(p->libvulkan, "vkGetInstanceProcAddr");
return 0;
}
typedef struct VulkanOptExtension {
const char *name;
FFVulkanExtensions flag;
} VulkanOptExtension;
static const VulkanOptExtension optional_instance_exts[] = {
/* Pointless, here avoid zero-sized structs */
{ VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME, FF_VK_EXT_NO_FLAG },
};
static const VulkanOptExtension optional_device_exts[] = {
/* Misc or required by other extensions */
{ VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME, FF_VK_EXT_NO_FLAG },
{ VK_KHR_PUSH_DESCRIPTOR_EXTENSION_NAME, FF_VK_EXT_NO_FLAG },
{ VK_KHR_SAMPLER_YCBCR_CONVERSION_EXTENSION_NAME, FF_VK_EXT_NO_FLAG },
{ VK_EXT_DESCRIPTOR_BUFFER_EXTENSION_NAME, FF_VK_EXT_DESCRIPTOR_BUFFER, },
{ VK_EXT_PHYSICAL_DEVICE_DRM_EXTENSION_NAME, FF_VK_EXT_DEVICE_DRM },
{ VK_EXT_SHADER_ATOMIC_FLOAT_EXTENSION_NAME, FF_VK_EXT_ATOMIC_FLOAT },
/* Imports/exports */
{ VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME, FF_VK_EXT_EXTERNAL_FD_MEMORY },
{ VK_EXT_EXTERNAL_MEMORY_DMA_BUF_EXTENSION_NAME, FF_VK_EXT_EXTERNAL_DMABUF_MEMORY },
{ VK_EXT_IMAGE_DRM_FORMAT_MODIFIER_EXTENSION_NAME, FF_VK_EXT_DRM_MODIFIER_FLAGS },
{ VK_KHR_EXTERNAL_SEMAPHORE_FD_EXTENSION_NAME, FF_VK_EXT_EXTERNAL_FD_SEM },
{ VK_EXT_EXTERNAL_MEMORY_HOST_EXTENSION_NAME, FF_VK_EXT_EXTERNAL_HOST_MEMORY },
#ifdef _WIN32
{ VK_KHR_EXTERNAL_MEMORY_WIN32_EXTENSION_NAME, FF_VK_EXT_EXTERNAL_WIN32_MEMORY },
{ VK_KHR_EXTERNAL_SEMAPHORE_WIN32_EXTENSION_NAME, FF_VK_EXT_EXTERNAL_WIN32_SEM },
#endif
/* Video encoding/decoding */
{ VK_KHR_VIDEO_QUEUE_EXTENSION_NAME, FF_VK_EXT_VIDEO_QUEUE },
{ VK_KHR_VIDEO_DECODE_QUEUE_EXTENSION_NAME, FF_VK_EXT_VIDEO_DECODE_QUEUE },
{ VK_KHR_VIDEO_DECODE_H264_EXTENSION_NAME, FF_VK_EXT_VIDEO_DECODE_H264 },
{ VK_KHR_VIDEO_DECODE_H265_EXTENSION_NAME, FF_VK_EXT_VIDEO_DECODE_H265 },
{ "VK_MESA_video_decode_av1", FF_VK_EXT_VIDEO_DECODE_AV1 },
};
static VkBool32 VKAPI_CALL vk_dbg_callback(VkDebugUtilsMessageSeverityFlagBitsEXT severity,
VkDebugUtilsMessageTypeFlagsEXT messageType,
const VkDebugUtilsMessengerCallbackDataEXT *data,
void *priv)
{
int l;
AVHWDeviceContext *ctx = priv;
switch (severity) {
case VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT: l = AV_LOG_VERBOSE; break;
case VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT: l = AV_LOG_INFO; break;
case VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT: l = AV_LOG_WARNING; break;
case VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT: l = AV_LOG_ERROR; break;
default: l = AV_LOG_DEBUG; break;
}
av_log(ctx, l, "%s\n", data->pMessage);
for (int i = 0; i < data->cmdBufLabelCount; i++)
av_log(ctx, l, "\t%i: %s\n", i, data->pCmdBufLabels[i].pLabelName);
return 0;
}
#define ADD_VAL_TO_LIST(list, count, val) \
do { \
list = av_realloc_array(list, sizeof(*list), ++count); \
if (!list) { \
err = AVERROR(ENOMEM); \
goto fail; \
} \
list[count - 1] = av_strdup(val); \
if (!list[count - 1]) { \
err = AVERROR(ENOMEM); \
goto fail; \
} \
} while(0)
#define RELEASE_PROPS(props, count) \
if (props) { \
for (int i = 0; i < count; i++) \
av_free((void *)((props)[i])); \
av_free((void *)props); \
}
static int check_extensions(AVHWDeviceContext *ctx, int dev, AVDictionary *opts,
const char * const **dst, uint32_t *num, int debug)
{
const char *tstr;
const char **extension_names = NULL;
VulkanDevicePriv *p = ctx->internal->priv;
FFVulkanFunctions *vk = &p->vkctx.vkfn;
AVVulkanDeviceContext *hwctx = ctx->hwctx;
int err = 0, found, extensions_found = 0;
const char *mod;
int optional_exts_num;
uint32_t sup_ext_count;
char *user_exts_str = NULL;
AVDictionaryEntry *user_exts;
VkExtensionProperties *sup_ext;
const VulkanOptExtension *optional_exts;
if (!dev) {
mod = "instance";
optional_exts = optional_instance_exts;
optional_exts_num = FF_ARRAY_ELEMS(optional_instance_exts);
user_exts = av_dict_get(opts, "instance_extensions", NULL, 0);
if (user_exts) {
user_exts_str = av_strdup(user_exts->value);
if (!user_exts_str) {
err = AVERROR(ENOMEM);
goto fail;
}
}
vk->EnumerateInstanceExtensionProperties(NULL, &sup_ext_count, NULL);
sup_ext = av_malloc_array(sup_ext_count, sizeof(VkExtensionProperties));
if (!sup_ext)
return AVERROR(ENOMEM);
vk->EnumerateInstanceExtensionProperties(NULL, &sup_ext_count, sup_ext);
} else {
mod = "device";
optional_exts = optional_device_exts;
optional_exts_num = FF_ARRAY_ELEMS(optional_device_exts);
user_exts = av_dict_get(opts, "device_extensions", NULL, 0);
if (user_exts) {
user_exts_str = av_strdup(user_exts->value);
if (!user_exts_str) {
err = AVERROR(ENOMEM);
goto fail;
}
}
vk->EnumerateDeviceExtensionProperties(hwctx->phys_dev, NULL,
&sup_ext_count, NULL);
sup_ext = av_malloc_array(sup_ext_count, sizeof(VkExtensionProperties));
if (!sup_ext)
return AVERROR(ENOMEM);
vk->EnumerateDeviceExtensionProperties(hwctx->phys_dev, NULL,
&sup_ext_count, sup_ext);
}
for (int i = 0; i < optional_exts_num; i++) {
tstr = optional_exts[i].name;
found = 0;
for (int j = 0; j < sup_ext_count; j++) {
if (!strcmp(tstr, sup_ext[j].extensionName)) {
found = 1;
break;
}
}
if (!found)
continue;
av_log(ctx, AV_LOG_VERBOSE, "Using %s extension %s\n", mod, tstr);
p->vkctx.extensions |= optional_exts[i].flag;
ADD_VAL_TO_LIST(extension_names, extensions_found, tstr);
}
if (debug && !dev) {
tstr = VK_EXT_DEBUG_UTILS_EXTENSION_NAME;
found = 0;
for (int j = 0; j < sup_ext_count; j++) {
if (!strcmp(tstr, sup_ext[j].extensionName)) {
found = 1;
break;
}
}
if (found) {
av_log(ctx, AV_LOG_VERBOSE, "Using %s extension %s\n", mod, tstr);
ADD_VAL_TO_LIST(extension_names, extensions_found, tstr);
p->vkctx.extensions |= FF_VK_EXT_DEBUG_UTILS;
} else {
av_log(ctx, AV_LOG_ERROR, "Debug extension \"%s\" not found!\n",
tstr);
err = AVERROR(EINVAL);
goto fail;
}
}
if (user_exts_str) {
char *save, *token = av_strtok(user_exts_str, "+", &save);
while (token) {
found = 0;
for (int j = 0; j < sup_ext_count; j++) {
if (!strcmp(token, sup_ext[j].extensionName)) {
found = 1;
break;
}
}
if (found) {
av_log(ctx, AV_LOG_VERBOSE, "Using %s extension \"%s\"\n", mod, token);
ADD_VAL_TO_LIST(extension_names, extensions_found, token);
} else {
av_log(ctx, AV_LOG_WARNING, "%s extension \"%s\" not found, excluding.\n",
mod, token);
}
token = av_strtok(NULL, "+", &save);
}
}
*dst = extension_names;
*num = extensions_found;
av_free(user_exts_str);
av_free(sup_ext);
return 0;
fail:
RELEASE_PROPS(extension_names, extensions_found);
av_free(user_exts_str);
av_free(sup_ext);
return err;
}
static int check_validation_layers(AVHWDeviceContext *ctx, AVDictionary *opts,
const char * const **dst, uint32_t *num,
int *debug_mode)
{
static const char default_layer[] = { "VK_LAYER_KHRONOS_validation" };
int found = 0, err = 0;
VulkanDevicePriv *priv = ctx->internal->priv;
FFVulkanFunctions *vk = &priv->vkctx.vkfn;
uint32_t sup_layer_count;
VkLayerProperties *sup_layers;
AVDictionaryEntry *user_layers;
char *user_layers_str = NULL;
char *save, *token;
const char **enabled_layers = NULL;
uint32_t enabled_layers_count = 0;
AVDictionaryEntry *debug_opt = av_dict_get(opts, "debug", NULL, 0);
int debug = debug_opt && strtol(debug_opt->value, NULL, 10);
/* If `debug=0`, enable no layers at all. */
if (debug_opt && !debug)
return 0;
vk->EnumerateInstanceLayerProperties(&sup_layer_count, NULL);
sup_layers = av_malloc_array(sup_layer_count, sizeof(VkLayerProperties));
if (!sup_layers)
return AVERROR(ENOMEM);
vk->EnumerateInstanceLayerProperties(&sup_layer_count, sup_layers);
av_log(ctx, AV_LOG_VERBOSE, "Supported validation layers:\n");
for (int i = 0; i < sup_layer_count; i++)
av_log(ctx, AV_LOG_VERBOSE, "\t%s\n", sup_layers[i].layerName);
/* If `debug=1` is specified, enable the standard validation layer extension */
if (debug) {
*debug_mode = debug;
for (int i = 0; i < sup_layer_count; i++) {
if (!strcmp(default_layer, sup_layers[i].layerName)) {
found = 1;
av_log(ctx, AV_LOG_VERBOSE, "Default validation layer %s is enabled\n",
default_layer);
ADD_VAL_TO_LIST(enabled_layers, enabled_layers_count, default_layer);
break;
}
}
}
user_layers = av_dict_get(opts, "validation_layers", NULL, 0);
if (!user_layers)
goto end;
user_layers_str = av_strdup(user_layers->value);
if (!user_layers_str) {
err = AVERROR(ENOMEM);
goto fail;
}
token = av_strtok(user_layers_str, "+", &save);
while (token) {
found = 0;
if (!strcmp(default_layer, token)) {
if (debug) {
/* if the `debug=1`, default_layer is enabled, skip here */
token = av_strtok(NULL, "+", &save);
continue;
} else {
/* if the `debug=0`, enable debug mode to load its callback properly */
*debug_mode = debug;
}
}
for (int j = 0; j < sup_layer_count; j++) {
if (!strcmp(token, sup_layers[j].layerName)) {
found = 1;
break;
}
}
if (found) {
av_log(ctx, AV_LOG_VERBOSE, "Requested Validation Layer: %s\n", token);
ADD_VAL_TO_LIST(enabled_layers, enabled_layers_count, token);
} else {
av_log(ctx, AV_LOG_ERROR,
"Validation Layer \"%s\" not support.\n", token);
err = AVERROR(EINVAL);
goto fail;
}
token = av_strtok(NULL, "+", &save);
}
av_free(user_layers_str);
end:
av_free(sup_layers);
*dst = enabled_layers;
*num = enabled_layers_count;
return 0;
fail:
RELEASE_PROPS(enabled_layers, enabled_layers_count);
av_free(sup_layers);
av_free(user_layers_str);
return err;
}
/* Creates a VkInstance */
static int create_instance(AVHWDeviceContext *ctx, AVDictionary *opts)
{
int err = 0, debug_mode = 0;
VkResult ret;
VulkanDevicePriv *p = ctx->internal->priv;
FFVulkanFunctions *vk = &p->vkctx.vkfn;
AVVulkanDeviceContext *hwctx = ctx->hwctx;
VkApplicationInfo application_info = {
.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
.pApplicationName = "ffmpeg",
.applicationVersion = VK_MAKE_VERSION(LIBAVUTIL_VERSION_MAJOR,
LIBAVUTIL_VERSION_MINOR,
LIBAVUTIL_VERSION_MICRO),
.pEngineName = "libavutil",
.apiVersion = VK_API_VERSION_1_3,
.engineVersion = VK_MAKE_VERSION(LIBAVUTIL_VERSION_MAJOR,
LIBAVUTIL_VERSION_MINOR,
LIBAVUTIL_VERSION_MICRO),
};
VkValidationFeaturesEXT validation_features = {
.sType = VK_STRUCTURE_TYPE_VALIDATION_FEATURES_EXT,
};
VkInstanceCreateInfo inst_props = {
.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
.pApplicationInfo = &application_info,
};
if (!hwctx->get_proc_addr) {
err = load_libvulkan(ctx);
if (err < 0)
return err;
}
err = ff_vk_load_functions(ctx, vk, p->vkctx.extensions, 0, 0);
if (err < 0) {
av_log(ctx, AV_LOG_ERROR, "Unable to load instance enumeration functions!\n");
return err;
}
err = check_validation_layers(ctx, opts, &inst_props.ppEnabledLayerNames,
&inst_props.enabledLayerCount, &debug_mode);
if (err)
goto fail;
/* Check for present/missing extensions */
err = check_extensions(ctx, 0, opts, &inst_props.ppEnabledExtensionNames,
&inst_props.enabledExtensionCount, debug_mode);
hwctx->enabled_inst_extensions = inst_props.ppEnabledExtensionNames;
hwctx->nb_enabled_inst_extensions = inst_props.enabledExtensionCount;
if (err < 0)
goto fail;
if (debug_mode) {
VkValidationFeatureEnableEXT feat_list[] = {
VK_VALIDATION_FEATURE_ENABLE_GPU_ASSISTED_EXT,
VK_VALIDATION_FEATURE_ENABLE_GPU_ASSISTED_RESERVE_BINDING_SLOT_EXT,
VK_VALIDATION_FEATURE_ENABLE_SYNCHRONIZATION_VALIDATION_EXT,
};
validation_features.pEnabledValidationFeatures = feat_list;
validation_features.enabledValidationFeatureCount = FF_ARRAY_ELEMS(feat_list);
inst_props.pNext = &validation_features;
}
/* Try to create the instance */
ret = vk->CreateInstance(&inst_props, hwctx->alloc, &hwctx->inst);
/* Check for errors */
if (ret != VK_SUCCESS) {
av_log(ctx, AV_LOG_ERROR, "Instance creation failure: %s\n",
ff_vk_ret2str(ret));
err = AVERROR_EXTERNAL;
goto fail;
}
err = ff_vk_load_functions(ctx, vk, p->vkctx.extensions, 1, 0);
if (err < 0) {
av_log(ctx, AV_LOG_ERROR, "Unable to load instance functions!\n");
goto fail;
}
if (debug_mode) {
VkDebugUtilsMessengerCreateInfoEXT dbg = {
.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT,
.messageSeverity = VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT,
.messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT,
.pfnUserCallback = vk_dbg_callback,
.pUserData = ctx,
};
vk->CreateDebugUtilsMessengerEXT(hwctx->inst, &dbg,
hwctx->alloc, &p->debug_ctx);
}
err = 0;
fail:
RELEASE_PROPS(inst_props.ppEnabledLayerNames, inst_props.enabledLayerCount);
return err;
}
typedef struct VulkanDeviceSelection {
uint8_t uuid[VK_UUID_SIZE]; /* Will use this first unless !has_uuid */
int has_uuid;
uint32_t drm_major; /* Will use this second unless !has_drm */
uint32_t drm_minor; /* Will use this second unless !has_drm */
uint32_t has_drm; /* has drm node info */
const char *name; /* Will use this third unless NULL */
uint32_t pci_device; /* Will use this fourth unless 0x0 */
uint32_t vendor_id; /* Last resort to find something deterministic */
int index; /* Finally fall back to index */
} VulkanDeviceSelection;
static const char *vk_dev_type(enum VkPhysicalDeviceType type)
{
switch (type) {
case VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU: return "integrated";
case VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU: return "discrete";
case VK_PHYSICAL_DEVICE_TYPE_VIRTUAL_GPU: return "virtual";
case VK_PHYSICAL_DEVICE_TYPE_CPU: return "software";
default: return "unknown";
}
}
/* Finds a device */
static int find_device(AVHWDeviceContext *ctx, VulkanDeviceSelection *select)
{
int err = 0, choice = -1;
uint32_t num;
VkResult ret;
VulkanDevicePriv *p = ctx->internal->priv;
FFVulkanFunctions *vk = &p->vkctx.vkfn;
VkPhysicalDevice *devices = NULL;
VkPhysicalDeviceIDProperties *idp = NULL;
VkPhysicalDeviceProperties2 *prop = NULL;
VkPhysicalDeviceDrmPropertiesEXT *drm_prop = NULL;
AVVulkanDeviceContext *hwctx = ctx->hwctx;
ret = vk->EnumeratePhysicalDevices(hwctx->inst, &num, NULL);
if (ret != VK_SUCCESS || !num) {
av_log(ctx, AV_LOG_ERROR, "No devices found: %s!\n", ff_vk_ret2str(ret));
return AVERROR(ENODEV);
}
devices = av_malloc_array(num, sizeof(VkPhysicalDevice));
if (!devices)
return AVERROR(ENOMEM);
ret = vk->EnumeratePhysicalDevices(hwctx->inst, &num, devices);
if (ret != VK_SUCCESS) {
av_log(ctx, AV_LOG_ERROR, "Failed enumerating devices: %s\n",
ff_vk_ret2str(ret));
err = AVERROR(ENODEV);
goto end;
}
prop = av_calloc(num, sizeof(*prop));
if (!prop) {
err = AVERROR(ENOMEM);
goto end;
}
idp = av_calloc(num, sizeof(*idp));
if (!idp) {
err = AVERROR(ENOMEM);
goto end;
}
if (p->vkctx.extensions & FF_VK_EXT_DEVICE_DRM) {
drm_prop = av_calloc(num, sizeof(*drm_prop));
if (!drm_prop) {
err = AVERROR(ENOMEM);
goto end;
}
}
av_log(ctx, AV_LOG_VERBOSE, "GPU listing:\n");
for (int i = 0; i < num; i++) {
if (p->vkctx.extensions & FF_VK_EXT_DEVICE_DRM) {
drm_prop[i].sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DRM_PROPERTIES_EXT;
idp[i].pNext = &drm_prop[i];
}
idp[i].sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ID_PROPERTIES;
prop[i].sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
prop[i].pNext = &idp[i];
vk->GetPhysicalDeviceProperties2(devices[i], &prop[i]);
av_log(ctx, AV_LOG_VERBOSE, " %d: %s (%s) (0x%x)\n", i,
prop[i].properties.deviceName,
vk_dev_type(prop[i].properties.deviceType),
prop[i].properties.deviceID);
}
if (select->has_uuid) {
for (int i = 0; i < num; i++) {
if (!strncmp(idp[i].deviceUUID, select->uuid, VK_UUID_SIZE)) {
choice = i;
goto end;
}
}
av_log(ctx, AV_LOG_ERROR, "Unable to find device by given UUID!\n");
err = AVERROR(ENODEV);
goto end;
} else if ((p->vkctx.extensions & FF_VK_EXT_DEVICE_DRM) && select->has_drm) {
for (int i = 0; i < num; i++) {
if ((select->drm_major == drm_prop[i].primaryMajor &&
select->drm_minor == drm_prop[i].primaryMinor) ||
(select->drm_major == drm_prop[i].renderMajor &&
select->drm_minor == drm_prop[i].renderMinor)) {
choice = i;
goto end;
}
}
av_log(ctx, AV_LOG_ERROR, "Unable to find device by given DRM node numbers %i:%i!\n",
select->drm_major, select->drm_minor);
err = AVERROR(ENODEV);
goto end;
} else if (select->name) {
av_log(ctx, AV_LOG_VERBOSE, "Requested device: %s\n", select->name);
for (int i = 0; i < num; i++) {
if (strstr(prop[i].properties.deviceName, select->name)) {
choice = i;
goto end;
}
}
av_log(ctx, AV_LOG_ERROR, "Unable to find device \"%s\"!\n",
select->name);
err = AVERROR(ENODEV);
goto end;
} else if (select->pci_device) {
av_log(ctx, AV_LOG_VERBOSE, "Requested device: 0x%x\n", select->pci_device);
for (int i = 0; i < num; i++) {
if (select->pci_device == prop[i].properties.deviceID) {
choice = i;
goto end;
}
}
av_log(ctx, AV_LOG_ERROR, "Unable to find device with PCI ID 0x%x!\n",
select->pci_device);
err = AVERROR(EINVAL);
goto end;
} else if (select->vendor_id) {
av_log(ctx, AV_LOG_VERBOSE, "Requested vendor: 0x%x\n", select->vendor_id);
for (int i = 0; i < num; i++) {
if (select->vendor_id == prop[i].properties.vendorID) {
choice = i;
goto end;
}
}
av_log(ctx, AV_LOG_ERROR, "Unable to find device with Vendor ID 0x%x!\n",
select->vendor_id);
err = AVERROR(ENODEV);
goto end;
} else {
if (select->index < num) {
choice = select->index;
goto end;
}
av_log(ctx, AV_LOG_ERROR, "Unable to find device with index %i!\n",
select->index);
err = AVERROR(ENODEV);
goto end;
}
end:
if (choice > -1) {
av_log(ctx, AV_LOG_VERBOSE, "Device %d selected: %s (%s) (0x%x)\n",
choice, prop[choice].properties.deviceName,
vk_dev_type(prop[choice].properties.deviceType),
prop[choice].properties.deviceID);
hwctx->phys_dev = devices[choice];
}
av_free(devices);
av_free(prop);
av_free(idp);
av_free(drm_prop);
return err;
}
/* Picks the least used qf with the fewest unneeded flags, or -1 if none found */
static inline int pick_queue_family(VkQueueFamilyProperties *qf, uint32_t num_qf,
VkQueueFlagBits flags)
{
int index = -1;