#include <dlfcn.h>
#include <unistd.h>
#include "thread.h"
#include "config.h"
#include "pixdesc.h"
#include "avstring.h"
#include "imgutils.h"
#include "hwcontext.h"
#include "hwcontext_internal.h"
#include "hwcontext_vulkan.h"
#include "mem.h"
#include "vulkan.h"
#include "vulkan_loader.h"

Data Structures
struct	VulkanDeviceFeatures

struct	VulkanDevicePriv

struct	VulkanFramesPriv

struct	AVVkFrameInternal

struct	FFVkFormatEntry

struct	VulkanOptExtension

struct	VulkanDeviceSelection

Macros
#define	VK_NO_PROTOTYPES

#define	VK_ENABLE_BETA_EXTENSIONS

#define	OPT_CHAIN(STRUCT_P, EXT_FLAG, TYPE)

#define	COPY_VAL(VAL)

#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)

#define	FN_MAP_TO(dst_t, dst_name, src_t, src_name)

#define	MAP_TO(flag1, flag2) if (src & flag2) dst \|= flag1;

#define	MAP_TO(flag1, flag2) if (src & flag1) dst \|= flag2;

#define	ADD_VAL_TO_LIST(list, count, val)

#define	RELEASE_PROPS(props, count)

#define	PICK_QF(type, vid_op)

#define	SET_OLD_QF(field, nb_field, type)

#define	CHECK_QUEUE(type, required, fidx, ctx_qf, qc)

#define	ADD_QUEUE(ctx_qf, qc, flag)

Enumerations
enum	FFVulkanDebugMode { FF_VULKAN_DEBUG_NONE = 0, FF_VULKAN_DEBUG_VALIDATE = 1, FF_VULKAN_DEBUG_PRINTF = 2, FF_VULKAN_DEBUG_PRACTICES = 3, FF_VULKAN_DEBUG_PROFILE = 4, FF_VULKAN_DEBUG_NB }

enum	PrepMode { PREP_MODE_GENERAL, PREP_MODE_WRITE, PREP_MODE_EXTERNAL_EXPORT, PREP_MODE_EXTERNAL_IMPORT, PREP_MODE_DECODING_DST, PREP_MODE_DECODING_DPB, PREP_MODE_ENCODING_DPB }

Functions
static void	device_features_init (AVHWDeviceContext ctx, VulkanDeviceFeatures feats)

static void	device_features_copy_needed (VulkanDeviceFeatures dst, VulkanDeviceFeatures src)

const VkFormat *	av_vkfmt_from_pixfmt (enum AVPixelFormat p)
	Returns the optimal per-plane Vulkan format for a given sw_format, one for each plane. More...

static const struct FFVkFormatEntry *	vk_find_format_entry (enum AVPixelFormat p)

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, int need_storage)

static int	load_libvulkan (AVHWDeviceContext *ctx)

static VkBool32 VKAPI_CALL	vk_dbg_callback (VkDebugUtilsMessageSeverityFlagBitsEXT severity, VkDebugUtilsMessageTypeFlagsEXT messageType, const VkDebugUtilsMessengerCallbackDataEXT data, void priv)

static int	check_extensions (AVHWDeviceContext ctx, int dev, AVDictionary opts, const char const dst, uint32_t num, enum FFVulkanDebugMode debug_mode)

static int	check_layers (AVHWDeviceContext ctx, AVDictionary opts, const char const dst, uint32_t num, enum FFVulkanDebugMode *debug_mode)

static int	create_instance (AVHWDeviceContext ctx, AVDictionary opts, enum FFVulkanDebugMode *debug_mode)

static const char *	vk_dev_type (enum VkPhysicalDeviceType type)

static int	find_device (AVHWDeviceContext ctx, VulkanDeviceSelection select)

static int	pick_queue_family (VkQueueFamilyProperties2 *qf, uint32_t num_qf, VkQueueFlagBits flags)

static int	pick_video_queue_family (VkQueueFamilyProperties2 qf, VkQueueFamilyVideoPropertiesKHR qf_vid, uint32_t num_qf, VkVideoCodecOperationFlagBitsKHR flags)

static int	setup_queue_families (AVHWDeviceContext ctx, VkDeviceCreateInfo cd)

static void	vulkan_device_free (AVHWDeviceContext *ctx)

static void	vulkan_device_uninit (AVHWDeviceContext *ctx)

static int	vulkan_device_create_internal (AVHWDeviceContext ctx, VulkanDeviceSelection dev_select, int disable_multiplane, AVDictionary *opts, int flags)

static void	lock_queue (AVHWDeviceContext *ctx, uint32_t queue_family, uint32_t index)

static void	unlock_queue (AVHWDeviceContext *ctx, uint32_t queue_family, uint32_t index)

static int	vulkan_device_init (AVHWDeviceContext *ctx)

static int	vulkan_device_create (AVHWDeviceContext ctx, const char device, AVDictionary *opts, int flags)

static int	vulkan_device_derive (AVHWDeviceContext ctx, AVHWDeviceContext src_ctx, AVDictionary *opts, int flags)

static int	vulkan_frames_get_constraints (AVHWDeviceContext ctx, const void hwconfig, AVHWFramesConstraints *constraints)

static int	alloc_mem (AVHWDeviceContext ctx, VkMemoryRequirements req, VkMemoryPropertyFlagBits req_flags, const void alloc_extension, VkMemoryPropertyFlagBits mem_flags, VkDeviceMemory *mem)

static void	vulkan_free_internal (AVVkFrame *f)

static void	vulkan_frame_free (AVHWFramesContext hwfc, AVVkFrame f)

static void	vulkan_frame_free_cb (void opaque, uint8_t data)

static int	alloc_bind_mem (AVHWFramesContext hwfc, AVVkFrame f, void *alloc_pnext, size_t alloc_pnext_stride)

static int	prepare_frame (AVHWFramesContext hwfc, FFVkExecPool ectx, AVVkFrame *frame, enum PrepMode pmode)

static void	get_plane_wh (uint32_t w, uint32_t h, enum AVPixelFormat format, int frame_w, int frame_h, int plane)

static int	create_frame (AVHWFramesContext hwfc, AVVkFrame frame, VkImageTiling tiling, VkImageUsageFlagBits usage, VkImageCreateFlags flags, int nb_layers, void create_pnext)

static void	try_export_flags (AVHWFramesContext hwfc, VkExternalMemoryHandleTypeFlags comp_handle_types, VkExternalMemoryHandleTypeFlagBits *iexp, VkExternalMemoryHandleTypeFlagBits exp)

static AVBufferRef *	vulkan_pool_alloc (void *opaque, size_t size)

static void	lock_frame (AVHWFramesContext fc, AVVkFrame vkf)

static void	unlock_frame (AVHWFramesContext fc, AVVkFrame vkf)

static void	vulkan_frames_uninit (AVHWFramesContext *hwfc)

static int	vulkan_frames_init (AVHWFramesContext *hwfc)

static int	vulkan_get_buffer (AVHWFramesContext hwfc, AVFrame frame)

static int	vulkan_transfer_get_formats (AVHWFramesContext hwfc, enum AVHWFrameTransferDirection dir, enum AVPixelFormat *formats)

static int	vulkan_map_to (AVHWFramesContext hwfc, AVFrame dst, const AVFrame *src, int flags)

static int	vulkan_map_from (AVHWFramesContext hwfc, AVFrame dst, const AVFrame *src, int flags)

static int	copy_buffer_data (AVHWFramesContext hwfc, AVBufferRef buf, AVFrame swf, VkBufferImageCopy region, int planes, int upload)

static int	get_plane_buf (AVHWFramesContext hwfc, AVBufferRef dst, AVFrame swf, VkBufferImageCopy *region, int upload)

static int	create_mapped_buffer (AVHWFramesContext hwfc, FFVkBuffer vkb, VkBufferUsageFlags usage, size_t size, VkExternalMemoryBufferCreateInfo create_desc, VkImportMemoryHostPointerInfoEXT import_desc, VkMemoryHostPointerPropertiesEXT props)

static void	destroy_avvkbuf (void opaque, uint8_t data)

static int	host_map_frame (AVHWFramesContext hwfc, AVBufferRef dst, int nb_bufs, AVFrame swf, VkBufferImageCopy region, int upload)

static int	vulkan_transfer_frame (AVHWFramesContext hwfc, AVFrame swf, AVFrame *hwf, int upload)

static int	vulkan_transfer_data_to (AVHWFramesContext hwfc, AVFrame dst, const AVFrame *src)

static int	vulkan_transfer_data_from (AVHWFramesContext hwfc, AVFrame dst, const AVFrame *src)

static int	vulkan_frames_derive_to (AVHWFramesContext dst_fc, AVHWFramesContext src_fc, int flags)

AVVkFrame *	av_vk_frame_alloc (void)
	Allocates a single AVVkFrame and initializes everything as 0. More...

Variables
static const struct FFVkFormatEntry	vk_formats_list []

static const int	nb_vk_formats_list = FF_ARRAY_ELEMS(vk_formats_list)

static const VulkanOptExtension	optional_instance_exts []

static const VulkanOptExtension	optional_device_exts []

const HWContextType	ff_hwcontext_type_vulkan

Macro Definition Documentation

◆ VK_NO_PROTOTYPES

#define VK_NO_PROTOTYPES

Definition at line 21 of file hwcontext_vulkan.c.

◆ VK_ENABLE_BETA_EXTENSIONS

#define VK_ENABLE_BETA_EXTENSIONS

Definition at line 22 of file hwcontext_vulkan.c.

◆ OPT_CHAIN

#define OPT_CHAIN	(	STRUCT_P,
		EXT_FLAG,
		TYPE
	)

Value:

    do {                                                 \
        if ((EXT_FLAG == FF_VK_EXT_NO_FLAG) ||           \
            (p->vkctx.extensions & EXT_FLAG)) {          \
            (STRUCT_P)->sType = TYPE;                    \
            ff_vk_link_struct(&feats->device, STRUCT_P); \
        }                                                \
    } while (0)

◆ COPY_VAL

#define COPY_VAL ( VAL )

Value:

    do {                     \
        dst->VAL = src->VAL; \
    } while (0)              \

◆ ASPECT_2PLANE

#define ASPECT_2PLANE (VK_IMAGE_ASPECT_PLANE_0_BIT | VK_IMAGE_ASPECT_PLANE_1_BIT)

Definition at line 293 of file hwcontext_vulkan.c.

◆ ASPECT_3PLANE

#define ASPECT_3PLANE (VK_IMAGE_ASPECT_PLANE_0_BIT | VK_IMAGE_ASPECT_PLANE_1_BIT | VK_IMAGE_ASPECT_PLANE_2_BIT)

Definition at line 294 of file hwcontext_vulkan.c.

◆ FN_MAP_TO

#define FN_MAP_TO	(	dst_t,
		dst_name,
		src_t,
		src_name
	)

Value:

    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;                                                     \
    }

Definition at line 399 of file hwcontext_vulkan.c.

◆ MAP_TO [1/2]

#define MAP_TO	(	flag1,
		flag2
	)	if (src & flag2) dst \|= flag1;

Definition at line 427 of file hwcontext_vulkan.c.

◆ MAP_TO [2/2]

#define MAP_TO	(	flag1,
		flag2
	)	if (src & flag1) dst \|= flag2;

Definition at line 427 of file hwcontext_vulkan.c.

◆ ADD_VAL_TO_LIST

#define ADD_VAL_TO_LIST	(	list,
		count,
		val
	)

Value:

    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)

Definition at line 636 of file hwcontext_vulkan.c.

◆ RELEASE_PROPS

#define RELEASE_PROPS	(	props,
		count
	)

Value:

    if (props) {                                                               \
        for (int i = 0; i < count; i++)                                        \
            av_free((void *)((props)[i]));                                     \
        av_free((void *)props);                                                \
    }

Definition at line 650 of file hwcontext_vulkan.c.

◆ PICK_QF

#define PICK_QF	(	type,
		vid_op
	)

Value:

    do {                                                                 \
        uint32_t i;                                                      \
        uint32_t idx;                                                    \
                                                                         \
        if (vid_op)                                                      \
            idx = pick_video_queue_family(qf, qf_vid, num, vid_op);      \
        else                                                             \
            idx = pick_queue_family(qf, num, type);                      \
                                                                         \
        if (idx == -1)                                                   \
            continue;                                                    \
                                                                         \
        for (i = 0; i < hwctx->nb_qf; i++) {                             \
            if (hwctx->qf[i].idx == idx) {                               \
                hwctx->qf[i].flags |= type;                              \
                hwctx->qf[i].video_caps |= vid_op;                       \
                break;                                                   \
            }                                                            \
        }                                                                \
        if (i == hwctx->nb_qf) {                                         \
            hwctx->qf[i].idx = idx;                                      \
            hwctx->qf[i].num = qf[idx].queueFamilyProperties.queueCount; \
            hwctx->qf[i].flags = type;                                   \
            hwctx->qf[i].video_caps = vid_op;                            \
            hwctx->nb_qf++;                                              \
        }                                                                \
    } while (0)

◆ SET_OLD_QF

#define SET_OLD_QF	(	field,
		nb_field,
		type
	)

Value:

    do {                                              \
        if (field < 0 && hwctx->qf[i].flags & type) { \
            field = hwctx->qf[i].idx;                 \
            nb_field = hwctx->qf[i].num;              \
        }                                             \
    } while (0)

◆ CHECK_QUEUE

#define CHECK_QUEUE	(	type,
		required,
		fidx,
		ctx_qf,
		qc
	)

Value:

    do {                                                                                        \
        if (ctx_qf < 0 && required) {                                                           \
            av_log(ctx, AV_LOG_ERROR, "%s queue family is required, but marked as missing"      \
                   " in the context!\n", type);                                                 \
            err = AVERROR(EINVAL);                                                              \
            goto end;                                                                           \
        } else if (fidx < 0 || ctx_qf < 0) {                                                    \
            break;                                                                              \
        } else if (ctx_qf >= qf_num) {                                                          \
            av_log(ctx, AV_LOG_ERROR, "Invalid %s family index %i (device has %i families)!\n", \
                   type, ctx_qf, qf_num);                                                       \
            err = AVERROR(EINVAL);                                                              \
            goto end;                                                                           \
        }                                                                                       \
                                                                                                \
        av_log(ctx, AV_LOG_VERBOSE, "Using queue family %i (queues: %i)"                        \
               " for%s%s%s%s%s\n",                                                              \
               ctx_qf, qc,                                                                      \
               ctx_qf == graph_index ? " graphics" : "",                                        \
               ctx_qf == comp_index  ? " compute" : "",                                         \
               ctx_qf == tx_index    ? " transfers" : "",                                       \
               ctx_qf == enc_index   ? " encode" : "",                                          \
               ctx_qf == dec_index   ? " decode" : "");                                         \
        graph_index = (ctx_qf == graph_index) ? -1 : graph_index;                               \
        comp_index  = (ctx_qf == comp_index)  ? -1 : comp_index;                                \
        tx_index    = (ctx_qf == tx_index)    ? -1 : tx_index;                                  \
        enc_index   = (ctx_qf == enc_index)   ? -1 : enc_index;                                 \
        dec_index   = (ctx_qf == dec_index)   ? -1 : dec_index;                                 \
    } while (0)

◆ ADD_QUEUE

#define ADD_QUEUE	(	ctx_qf,
		qc,
		flag
	)

Value:

    do {                                                               \
        if (ctx_qf != -1) {                                            \
            hwctx->qf[hwctx->nb_qf++] = (AVVulkanDeviceQueueFamily) {  \
                .idx = ctx_qf,                                         \
                .num = qc,                                             \
                .flags = flag,                                         \
            };                                                         \
        }                                                              \
    } while (0)

Enumeration Type Documentation

◆ FFVulkanDebugMode

enum FFVulkanDebugMode

Enumerator
FF_VULKAN_DEBUG_NONE
FF_VULKAN_DEBUG_VALIDATE
FF_VULKAN_DEBUG_PRINTF
FF_VULKAN_DEBUG_PRACTICES
FF_VULKAN_DEBUG_PROFILE
FF_VULKAN_DEBUG_NB

Definition at line 657 of file hwcontext_vulkan.c.

◆ PrepMode

enum PrepMode

Enumerator
PREP_MODE_GENERAL
PREP_MODE_WRITE
PREP_MODE_EXTERNAL_EXPORT
PREP_MODE_EXTERNAL_IMPORT
PREP_MODE_DECODING_DST
PREP_MODE_DECODING_DPB
PREP_MODE_ENCODING_DPB

Definition at line 2269 of file hwcontext_vulkan.c.

Function Documentation

◆ device_features_init()

static void device_features_init	(	AVHWDeviceContext *	ctx,
		VulkanDeviceFeatures *	feats
	)

static

Definition at line 179 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create_internal().

◆ device_features_copy_needed()

static void device_features_copy_needed	(	VulkanDeviceFeatures *	dst,
		VulkanDeviceFeatures *	src
	)

static

Definition at line 229 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create_internal().

◆ av_vkfmt_from_pixfmt()

const VkFormat* av_vkfmt_from_pixfmt ( enum AVPixelFormat p )

Returns the optimal per-plane Vulkan format for a given sw_format, one for each plane.

Returns NULL on unsupported formats.

Definition at line 382 of file hwcontext_vulkan.c.

Referenced by try_export_flags(), and vulkan_transfer_frame().

◆ vk_find_format_entry()

static const struct FFVkFormatEntry* vk_find_format_entry ( enum AVPixelFormat p )

static

Definition at line 390 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_init().

◆ vkfmt_from_pixfmt2()

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,
		int	need_storage
	)

static

Definition at line 432 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_get_constraints(), and vulkan_frames_init().

◆ load_libvulkan()

static int load_libvulkan ( AVHWDeviceContext * ctx )

static

Definition at line 525 of file hwcontext_vulkan.c.

Referenced by create_instance().

◆ vk_dbg_callback()

static VkBool32 VKAPI_CALL vk_dbg_callback	(	VkDebugUtilsMessageSeverityFlagBitsEXT	severity,
		VkDebugUtilsMessageTypeFlagsEXT	messageType,
		const VkDebugUtilsMessengerCallbackDataEXT *	data,
		void *	priv
	)

static

Definition at line 602 of file hwcontext_vulkan.c.

Referenced by create_instance().

◆ check_extensions()

static int check_extensions	(	AVHWDeviceContext *	ctx,
		int	dev,
		AVDictionary *	opts,
		const char const *	dst,
		uint32_t *	num,
		enum FFVulkanDebugMode	debug_mode
	)

static

Definition at line 671 of file hwcontext_vulkan.c.

Referenced by create_instance(), and vulkan_device_create_internal().

◆ check_layers()

static int check_layers	(	AVHWDeviceContext *	ctx,
		AVDictionary *	opts,
		const char const *	dst,
		uint32_t *	num,
		enum FFVulkanDebugMode *	debug_mode
	)

static

Definition at line 835 of file hwcontext_vulkan.c.

Referenced by create_instance().

◆ create_instance()

static int create_instance	(	AVHWDeviceContext *	ctx,
		AVDictionary *	opts,
		enum FFVulkanDebugMode *	debug_mode
	)

static

Definition at line 986 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create_internal().

◆ vk_dev_type()

static const char* vk_dev_type ( enum VkPhysicalDeviceType type )

static

Definition at line 1135 of file hwcontext_vulkan.c.

Referenced by find_device().

◆ find_device()

static int find_device	(	AVHWDeviceContext *	ctx,
		VulkanDeviceSelection *	select
	)

static

Definition at line 1147 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create_internal().

◆ pick_queue_family()

static int pick_queue_family	(	VkQueueFamilyProperties2 *	qf,
		uint32_t	num_qf,
		VkQueueFlagBits	flags
	)

inlinestatic

Definition at line 1304 of file hwcontext_vulkan.c.

◆ pick_video_queue_family()

static int pick_video_queue_family	(	VkQueueFamilyProperties2 *	qf,
		VkQueueFamilyVideoPropertiesKHR *	qf_vid,
		uint32_t	num_qf,
		VkVideoCodecOperationFlagBitsKHR	flags
	)

inlinestatic

Definition at line 1333 of file hwcontext_vulkan.c.

◆ setup_queue_families()

static int setup_queue_families	(	AVHWDeviceContext *	ctx,
		VkDeviceCreateInfo *	cd
	)

static

Definition at line 1362 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create_internal().

◆ vulkan_device_free()

static void vulkan_device_free ( AVHWDeviceContext * ctx )

static

Definition at line 1544 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create_internal().

◆ vulkan_device_uninit()

static void vulkan_device_uninit ( AVHWDeviceContext * ctx )

static

Definition at line 1567 of file hwcontext_vulkan.c.

◆ vulkan_device_create_internal()

static int vulkan_device_create_internal	(	AVHWDeviceContext *	ctx,
		VulkanDeviceSelection *	dev_select,
		int	disable_multiplane,
		AVDictionary *	opts,
		int	flags
	)

static

Definition at line 1580 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create(), and vulkan_device_derive().

◆ lock_queue()

static void lock_queue	(	AVHWDeviceContext *	ctx,
		uint32_t	queue_family,
		uint32_t	index
	)

static

Definition at line 1673 of file hwcontext_vulkan.c.

Referenced by init_vulkan(), and vulkan_device_init().

◆ unlock_queue()

static void unlock_queue	(	AVHWDeviceContext *	ctx,
		uint32_t	queue_family,
		uint32_t	index
	)

static

Definition at line 1679 of file hwcontext_vulkan.c.

Referenced by init_vulkan(), and vulkan_device_init().

◆ vulkan_device_init()

static int vulkan_device_init ( AVHWDeviceContext * ctx )

static

Definition at line 1685 of file hwcontext_vulkan.c.

◆ vulkan_device_create()

static int vulkan_device_create	(	AVHWDeviceContext *	ctx,
		const char *	device,
		AVDictionary *	opts,
		int	flags
	)

static

Definition at line 1902 of file hwcontext_vulkan.c.

◆ vulkan_device_derive()

static int vulkan_device_derive	(	AVHWDeviceContext *	ctx,
		AVHWDeviceContext *	src_ctx,
		AVDictionary *	opts,
		int	flags
	)

static

Definition at line 1918 of file hwcontext_vulkan.c.

◆ vulkan_frames_get_constraints()

static int vulkan_frames_get_constraints	(	AVHWDeviceContext *	ctx,
		const void *	hwconfig,
		AVHWFramesConstraints *	constraints
	)

static

Definition at line 2021 of file hwcontext_vulkan.c.

◆ alloc_mem()

static int alloc_mem	(	AVHWDeviceContext *	ctx,
		VkMemoryRequirements *	req,
		VkMemoryPropertyFlagBits	req_flags,
		const void *	alloc_extension,
		VkMemoryPropertyFlagBits *	mem_flags,
		VkDeviceMemory *	mem
	)

static

Definition at line 2067 of file hwcontext_vulkan.c.

Referenced by alloc_bind_mem().

◆ vulkan_free_internal()

static void vulkan_free_internal ( AVVkFrame * f )

static

Definition at line 2125 of file hwcontext_vulkan.c.

Referenced by vulkan_frame_free().

◆ vulkan_frame_free()

static void vulkan_frame_free	(	AVHWFramesContext *	hwfc,
		AVVkFrame *	f
	)

static

Definition at line 2161 of file hwcontext_vulkan.c.

Referenced by create_frame(), vulkan_frame_free_cb(), vulkan_frames_init(), and vulkan_pool_alloc().

◆ vulkan_frame_free_cb()

static void vulkan_frame_free_cb	(	void *	opaque,
		uint8_t *	data
	)

static

Definition at line 2195 of file hwcontext_vulkan.c.

Referenced by vulkan_pool_alloc().

◆ alloc_bind_mem()

static int alloc_bind_mem	(	AVHWFramesContext *	hwfc,
		AVVkFrame *	f,
		void *	alloc_pnext,
		size_t	alloc_pnext_stride
	)

static

Definition at line 2200 of file hwcontext_vulkan.c.

Referenced by vulkan_pool_alloc().

◆ prepare_frame()

static int prepare_frame	(	AVHWFramesContext *	hwfc,
		FFVkExecPool *	ectx,
		AVVkFrame *	frame,
		enum PrepMode	pmode
	)

static

Definition at line 2279 of file hwcontext_vulkan.c.

Referenced by vulkan_pool_alloc().

◆ get_plane_wh()

static void get_plane_wh	(	uint32_t *	w,
		uint32_t *	h,
		enum AVPixelFormat	format,
		int	frame_w,
		int	frame_h,
		int	plane
	)

inlinestatic

Definition at line 2369 of file hwcontext_vulkan.c.

Referenced by create_frame(), get_plane_buf(), and host_map_frame().

◆ create_frame()

static int create_frame	(	AVHWFramesContext *	hwfc,
		AVVkFrame **	frame,
		VkImageTiling	tiling,
		VkImageUsageFlagBits	usage,
		VkImageCreateFlags	flags,
		int	nb_layers,
		void *	create_pnext
	)

static

Definition at line 2386 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_init(), and vulkan_pool_alloc().

◆ try_export_flags()

static void try_export_flags	(	AVHWFramesContext *	hwfc,
		VkExternalMemoryHandleTypeFlags *	comp_handle_types,
		VkExternalMemoryHandleTypeFlagBits *	iexp,
		VkExternalMemoryHandleTypeFlagBits	exp
	)

static

Definition at line 2495 of file hwcontext_vulkan.c.

Referenced by vulkan_pool_alloc().

◆ vulkan_pool_alloc()

static AVBufferRef* vulkan_pool_alloc	(	void *	opaque,
		size_t	size
	)

static

Definition at line 2557 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_init().

◆ lock_frame()

static void lock_frame	(	AVHWFramesContext *	fc,
		AVVkFrame *	vkf
	)

static

Definition at line 2627 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_init().

◆ unlock_frame()

static void unlock_frame	(	AVHWFramesContext *	fc,
		AVVkFrame *	vkf
	)

static

Definition at line 2632 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_init().

◆ vulkan_frames_uninit()

static void vulkan_frames_uninit ( AVHWFramesContext * hwfc )

static

Definition at line 2637 of file hwcontext_vulkan.c.

◆ vulkan_frames_init()

static int vulkan_frames_init ( AVHWFramesContext * hwfc )

static

Definition at line 2655 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_derive_to().

◆ vulkan_get_buffer()

static int vulkan_get_buffer	(	AVHWFramesContext *	hwfc,
		AVFrame *	frame
	)

static

Definition at line 2814 of file hwcontext_vulkan.c.

◆ vulkan_transfer_get_formats()

static int vulkan_transfer_get_formats	(	AVHWFramesContext *	hwfc,
		enum AVHWFrameTransferDirection	dir,
		enum AVPixelFormat **	formats
	)

static

Definition at line 2828 of file hwcontext_vulkan.c.

◆ vulkan_map_to()

static int vulkan_map_to	(	AVHWFramesContext *	hwfc,
		AVFrame *	dst,
		const AVFrame *	src,
		int	flags
	)

static

Definition at line 3624 of file hwcontext_vulkan.c.

◆ vulkan_map_from()

static int vulkan_map_from	(	AVHWFramesContext *	hwfc,
		AVFrame *	dst,
		const AVFrame *	src,
		int	flags
	)

static

Definition at line 3811 of file hwcontext_vulkan.c.

◆ copy_buffer_data()

static int copy_buffer_data	(	AVHWFramesContext *	hwfc,
		AVBufferRef *	buf,
		AVFrame *	swf,
		VkBufferImageCopy *	region,
		int	planes,
		int	upload
	)

static

Definition at line 3837 of file hwcontext_vulkan.c.

Referenced by vulkan_transfer_frame().

◆ get_plane_buf()

static int get_plane_buf	(	AVHWFramesContext *	hwfc,
		AVBufferRef **	dst,
		AVFrame *	swf,
		VkBufferImageCopy *	region,
		int	upload
	)

static

Definition at line 3885 of file hwcontext_vulkan.c.

Referenced by vulkan_transfer_frame().

◆ create_mapped_buffer()

static int create_mapped_buffer	(	AVHWFramesContext *	hwfc,
		FFVkBuffer *	vkb,
		VkBufferUsageFlags	usage,
		size_t	size,
		VkExternalMemoryBufferCreateInfo *	create_desc,
		VkImportMemoryHostPointerInfoEXT *	import_desc,
		VkMemoryHostPointerPropertiesEXT	props
	)

static

Definition at line 3930 of file hwcontext_vulkan.c.

Referenced by host_map_frame().

◆ destroy_avvkbuf()

static void destroy_avvkbuf	(	void *	opaque,
		uint8_t *	data
	)

static

Definition at line 3978 of file hwcontext_vulkan.c.

Referenced by host_map_frame().

◆ host_map_frame()

static int host_map_frame	(	AVHWFramesContext *	hwfc,
		AVBufferRef **	dst,
		int *	nb_bufs,
		AVFrame *	swf,
		VkBufferImageCopy *	region,
		int	upload
	)

static

Definition at line 3986 of file hwcontext_vulkan.c.

Referenced by vulkan_transfer_frame().

◆ vulkan_transfer_frame()

static int vulkan_transfer_frame	(	AVHWFramesContext *	hwfc,
		AVFrame *	swf,
		AVFrame *	hwf,
		int	upload
	)

static

Definition at line 4089 of file hwcontext_vulkan.c.

Referenced by vulkan_transfer_data_from(), and vulkan_transfer_data_to().

◆ vulkan_transfer_data_to()

static int vulkan_transfer_data_to	(	AVHWFramesContext *	hwfc,
		AVFrame *	dst,
		const AVFrame *	src
	)

static

Definition at line 4230 of file hwcontext_vulkan.c.

◆ vulkan_transfer_data_from()

static int vulkan_transfer_data_from	(	AVHWFramesContext *	hwfc,
		AVFrame *	dst,
		const AVFrame *	src
	)

static

Definition at line 4347 of file hwcontext_vulkan.c.

◆ vulkan_frames_derive_to()

static int vulkan_frames_derive_to	(	AVHWFramesContext *	dst_fc,
		AVHWFramesContext *	src_fc,
		int	flags
	)

static

Definition at line 4372 of file hwcontext_vulkan.c.

◆ av_vk_frame_alloc()

AVVkFrame* av_vk_frame_alloc ( void )

Allocates a single AVVkFrame and initializes everything as 0.

Note: Must be freed via av_free()

Definition at line 4378 of file hwcontext_vulkan.c.

Referenced by create_frame().

Variable Documentation

◆ vk_formats_list

const struct FFVkFormatEntry vk_formats_list[]

static

Referenced by av_vkfmt_from_pixfmt(), vk_find_format_entry(), vkfmt_from_pixfmt2(), and vulkan_frames_get_constraints().

◆ nb_vk_formats_list

const int nb_vk_formats_list = FF_ARRAY_ELEMS(vk_formats_list)

static

Definition at line 380 of file hwcontext_vulkan.c.

Referenced by av_vkfmt_from_pixfmt(), vk_find_format_entry(), vkfmt_from_pixfmt2(), and vulkan_frames_get_constraints().

◆ optional_instance_exts

const VulkanOptExtension optional_instance_exts[]

static

Initial value:

= {
    { VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME,          FF_VK_EXT_NO_FLAG                },
}

Definition at line 564 of file hwcontext_vulkan.c.

Referenced by check_extensions().

◆ optional_device_exts

const VulkanOptExtension optional_device_exts[]

static

Definition at line 568 of file hwcontext_vulkan.c.

Referenced by check_extensions(), and vulkan_device_init().

◆ ff_hwcontext_type_vulkan

const HWContextType ff_hwcontext_type_vulkan

Initial value:

= {
    .type                   = AV_HWDEVICE_TYPE_VULKAN,
    .name                   = "Vulkan",
 
    .device_hwctx_size      = sizeof(VulkanDevicePriv),
    .frames_hwctx_size      = sizeof(VulkanFramesPriv),
 
    .device_init            = &vulkan_device_init,
    .device_uninit          = &vulkan_device_uninit,
    .device_create          = &vulkan_device_create,
    .device_derive          = &vulkan_device_derive,
 
    .frames_get_constraints = &vulkan_frames_get_constraints,
    .frames_init            = vulkan_frames_init,
    .frames_get_buffer      = vulkan_get_buffer,
    .frames_uninit          = vulkan_frames_uninit,
 
    .transfer_get_formats   = vulkan_transfer_get_formats,
    .transfer_data_to       = vulkan_transfer_data_to,
    .transfer_data_from     = vulkan_transfer_data_from,
 
    .map_to                 = vulkan_map_to,
    .map_from               = vulkan_map_from,
    .frames_derive_to       = &vulkan_frames_derive_to,
 
    .pix_fmts = (const enum AVPixelFormat []) {
        AV_PIX_FMT_VULKAN,
        AV_PIX_FMT_NONE
    },
}

Definition at line 4401 of file hwcontext_vulkan.c.

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ VK_NO_PROTOTYPES

◆ VK_ENABLE_BETA_EXTENSIONS

◆ OPT_CHAIN

◆ COPY_VAL

◆ ASPECT_2PLANE

◆ ASPECT_3PLANE

◆ FN_MAP_TO

◆ MAP_TO [1/2]

◆ MAP_TO [2/2]

◆ ADD_VAL_TO_LIST

◆ RELEASE_PROPS

◆ PICK_QF

◆ SET_OLD_QF

◆ CHECK_QUEUE

◆ ADD_QUEUE

Enumeration Type Documentation

◆ FFVulkanDebugMode

◆ PrepMode

Function Documentation

◆ device_features_init()

◆ device_features_copy_needed()

◆ av_vkfmt_from_pixfmt()

◆ vk_find_format_entry()

◆ vkfmt_from_pixfmt2()

◆ load_libvulkan()

◆ vk_dbg_callback()

◆ check_extensions()

◆ check_layers()

◆ create_instance()

◆ vk_dev_type()

◆ find_device()

◆ pick_queue_family()

◆ pick_video_queue_family()

◆ setup_queue_families()

◆ vulkan_device_free()

◆ vulkan_device_uninit()

◆ vulkan_device_create_internal()

◆ lock_queue()

◆ unlock_queue()

◆ vulkan_device_init()

◆ vulkan_device_create()

◆ vulkan_device_derive()

◆ vulkan_frames_get_constraints()

◆ alloc_mem()

◆ vulkan_free_internal()

◆ vulkan_frame_free()

◆ vulkan_frame_free_cb()

◆ alloc_bind_mem()

◆ prepare_frame()

◆ get_plane_wh()

◆ create_frame()

◆ try_export_flags()

◆ vulkan_pool_alloc()

◆ lock_frame()

◆ unlock_frame()

◆ vulkan_frames_uninit()

◆ vulkan_frames_init()

◆ vulkan_get_buffer()

◆ vulkan_transfer_get_formats()

◆ vulkan_map_to()

◆ vulkan_map_from()

◆ copy_buffer_data()

◆ get_plane_buf()

◆ create_mapped_buffer()

◆ destroy_avvkbuf()

◆ host_map_frame()

◆ vulkan_transfer_frame()

◆ vulkan_transfer_data_to()

◆ vulkan_transfer_data_from()

◆ vulkan_frames_derive_to()

◆ av_vk_frame_alloc()

Variable Documentation

◆ vk_formats_list

◆ nb_vk_formats_list