hwcontext_vulkan.c File Reference

#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"

Go to the source code of this file.

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	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	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)
const char **	av_vk_get_optional_instance_extensions (int *count)
	Returns an array of optional Vulkan instance extensions that FFmpeg may use if enabled. More...
const char **	av_vk_get_optional_device_extensions (int *count)
	Returns an array of optional Vulkan device extensions that FFmpeg may use if enabled. More...
static VkBool32 VKAPI_CALL	vk_dbg_callback (VkDebugUtilsMessageSeverityFlagBitsEXT severity, VkDebugUtilsMessageTypeFlagsEXT messageType, const VkDebugUtilsMessengerCallbackDataEXT *data, void *priv)
static int	vulkan_device_has_rebar (AVHWDeviceContext *ctx)
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, VkVideoCodecOperationFlagsKHR 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 void	switch_new_props (enum PrepMode pmode, VkImageLayout *new_layout, VkAccessFlags2 *new_access)
static int	switch_layout (AVHWFramesContext *hwfc, FFVkExecPool *ectx, AVVkFrame *frame, enum PrepMode pmode)
static int	switch_layout_host (AVHWFramesContext *hwfc, FFVkExecPool *ectx, AVVkFrame *frame, enum PrepMode pmode)
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, VkExternalMemoryHandleTypeFlags *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	host_map_frame (AVHWFramesContext *hwfc, AVBufferRef **dst, int *nb_bufs, AVFrame *swf, VkBufferImageCopy *region, int upload)
static int	vulkan_transfer_host (AVHWFramesContext *hwfc, AVFrame *hwf, AVFrame *swf, 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.

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 368 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 369 of file hwcontext_vulkan.c.

ADD_VAL_TO_LIST

#define ADD_VAL_TO_LIST	(		list,
			count,
			val
	)

Value:

    do {                                                                       \
        list = av_realloc_array(list, ++count, sizeof(*list));                 \
        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 766 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 780 of file hwcontext_vulkan.c.

PICK_QF

#define PICK_QF	(		type,
			vid_op
	)

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 807 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 2494 of file hwcontext_vulkan.c.

Function Documentation

device_features_init()

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

static

Definition at line 207 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 273 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 491 of file hwcontext_vulkan.c.

Referenced by vulkan_transfer_frame().

vk_find_format_entry()

static const struct FFVkFormatEntry* vk_find_format_entry ( enum AVPixelFormat  p )

static

Definition at line 499 of file hwcontext_vulkan.c.

Referenced by try_export_flags(), and 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 507 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 605 of file hwcontext_vulkan.c.

Referenced by create_instance().

av_vk_get_optional_instance_extensions()

const char** av_vk_get_optional_instance_extensions

(

int *

count

)

Returns an array of optional Vulkan instance extensions that FFmpeg may use if enabled.

Note

Must be freed via av_free()

Definition at line 706 of file hwcontext_vulkan.c.

av_vk_get_optional_device_extensions()

const char** av_vk_get_optional_device_extensions

(

int *

count

)

Returns an array of optional Vulkan device extensions that FFmpeg may use if enabled.

Note

Must be freed via av_free()

Definition at line 720 of file hwcontext_vulkan.c.

vk_dbg_callback()

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

static

Definition at line 734 of file hwcontext_vulkan.c.

Referenced by create_instance().

vulkan_device_has_rebar()

static int vulkan_device_has_rebar ( AVHWDeviceContext *  ctx )

static

Definition at line 787 of file hwcontext_vulkan.c.

Referenced by check_extensions().

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 821 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 995 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 1146 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 1295 of file hwcontext_vulkan.c.

Referenced by find_device().

find_device()

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

static

Definition at line 1307 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 1478 of file hwcontext_vulkan.c.

pick_video_queue_family()

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

inlinestatic

Definition at line 1507 of file hwcontext_vulkan.c.

setup_queue_families()

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

static

Definition at line 1536 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 1733 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 1756 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 1769 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 1876 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 1882 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 1888 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 2127 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 2143 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 2246 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 2292 of file hwcontext_vulkan.c.

Referenced by alloc_bind_mem().

vulkan_free_internal()

static void vulkan_free_internal ( AVVkFrame *  f )

static

Definition at line 2350 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 2386 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 2420 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 2425 of file hwcontext_vulkan.c.

Referenced by vulkan_pool_alloc().

switch_new_props()

static void switch_new_props ( enum PrepMode  pmode, VkImageLayout *  new_layout, VkAccessFlags2 *  new_access  )

static

Definition at line 2504 of file hwcontext_vulkan.c.

Referenced by switch_layout(), and switch_layout_host().

switch_layout()

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

static

Definition at line 2539 of file hwcontext_vulkan.c.

Referenced by prepare_frame().

switch_layout_host()

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

static

Definition at line 2602 of file hwcontext_vulkan.c.

Referenced by prepare_frame().

prepare_frame()

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

static

Definition at line 2647 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 2663 of file hwcontext_vulkan.c.

Referenced by create_frame(), get_plane_buf(), vulkan_transfer_frame(), and vulkan_transfer_host().

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 2680 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, VkExternalMemoryHandleTypeFlags *  iexp, VkExternalMemoryHandleTypeFlagBits  exp  )

static

Definition at line 2790 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 2852 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_init().

lock_frame()

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

static

Definition at line 2927 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_init().

unlock_frame()

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

static

Definition at line 2932 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_init().

vulkan_frames_uninit()

static void vulkan_frames_uninit ( AVHWFramesContext *  hwfc )

static

Definition at line 2937 of file hwcontext_vulkan.c.

vulkan_frames_init()

static int vulkan_frames_init ( AVHWFramesContext *  hwfc )

static

Definition at line 2955 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 3179 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 3193 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 4044 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 4253 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 4279 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 4322 of file hwcontext_vulkan.c.

Referenced by vulkan_transfer_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 4361 of file hwcontext_vulkan.c.

Referenced by vulkan_transfer_frame().

vulkan_transfer_host()

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

static

Definition at line 4418 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 4536 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 4697 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 4816 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 4841 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 4847 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 489 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_EXT_LAYER_SETTINGS_EXTENSION_NAME,                   FF_VK_EXT_NO_FLAG                },
 
 
 
}

Definition at line 648 of file hwcontext_vulkan.c.

Referenced by av_vk_get_optional_instance_extensions(), and check_extensions().

optional_device_exts

const VulkanOptExtension optional_device_exts[]

static

Definition at line 655 of file hwcontext_vulkan.c.

Referenced by av_vk_get_optional_device_extensions(), 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 4870 of file hwcontext_vulkan.c.