hwcontext_vulkan.c File Reference

#include "config.h"
#include "pixdesc.h"
#include "avstring.h"
#include "imgutils.h"
#include "hwcontext.h"
#include "hwcontext_internal.h"
#include "hwcontext_vulkan.h"

Go to the source code of this file.

Data Structures
struct	VulkanQueueCtx
struct	VulkanExecCtx
struct	VulkanDevicePriv
struct	VulkanFramesPriv
struct	AVVkFrameInternal
struct	VulkanOptExtension
struct	VulkanDeviceSelection
struct	VulkanMapping
struct	ImageBuffer

Macros
#define	GET_QUEUE_COUNT(hwctx, graph, comp, tx)
#define	VK_LOAD_PFN(inst, name)
#define	DEFAULT_USAGE_FLAGS
#define	ADD_VAL_TO_LIST(list, count, val)
#define	CASE(VAL)   case VAL: return #VAL
#define	SEARCH_FLAGS(expr, out)
#define	ADD_QUEUE(fidx, graph, comp, tx)
#define	COPY_FEATURE(DST, NAME)   (DST).features.NAME = dev_features.NAME;
#define	CHECK_QUEUE(type, n)

Enumerations
enum	VulkanExtensions {   EXT_EXTERNAL_DMABUF_MEMORY = 1ULL << 0, EXT_DRM_MODIFIER_FLAGS = 1ULL << 1, EXT_EXTERNAL_FD_MEMORY = 1ULL << 2, EXT_EXTERNAL_FD_SEM = 1ULL << 3,   EXT_EXTERNAL_HOST_MEMORY = 1ULL << 4, EXT_PUSH_DESCRIPTORS = 1ULL << 5, EXT_HOST_QUERY_RESET = 1ULL << 6, EXT_NO_FLAG = 1ULL << 63 }
enum	PrepMode { PREP_MODE_WRITE, PREP_MODE_RO_SHADER, PREP_MODE_EXTERNAL_EXPORT }

Functions
const VkFormat *	av_vkfmt_from_pixfmt (enum AVPixelFormat p)
	Returns the format of each image up to the number of planes for a given sw_format. More...
static int	pixfmt_is_supported (AVVulkanDeviceContext *hwctx, enum AVPixelFormat p, int linear)
static const char *	vk_ret2str (VkResult res)
static VkBool32	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, int debug)
static int	create_instance (AVHWDeviceContext *ctx, AVDictionary *opts)
static const char *	vk_dev_type (enum VkPhysicalDeviceType type)
static int	find_device (AVHWDeviceContext *ctx, VulkanDeviceSelection *select)
static int	search_queue_families (AVHWDeviceContext *ctx, VkDeviceCreateInfo *cd)
static int	create_exec_ctx (AVHWFramesContext *hwfc, VulkanExecCtx *cmd, int queue_family_index, int num_queues)
static void	free_exec_ctx (AVHWFramesContext *hwfc, VulkanExecCtx *cmd)
static VkCommandBuffer	get_buf_exec_ctx (AVHWFramesContext *hwfc, VulkanExecCtx *cmd)
static void	unref_exec_ctx_deps (AVHWFramesContext *hwfc, VulkanExecCtx *cmd)
static int	wait_start_exec_ctx (AVHWFramesContext *hwfc, VulkanExecCtx *cmd)
static int	add_buf_dep_exec_ctx (AVHWFramesContext *hwfc, VulkanExecCtx *cmd, AVBufferRef *const *deps, int nb_deps)
static int	submit_exec_ctx (AVHWFramesContext *hwfc, VulkanExecCtx *cmd, VkSubmitInfo *s_info, int synchronous)
static void	vulkan_device_free (AVHWDeviceContext *ctx)
static int	vulkan_device_create_internal (AVHWDeviceContext *ctx, VulkanDeviceSelection *dev_select, AVDictionary *opts, int flags)
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 (AVVkFrameInternal *internal)
static void	vulkan_frame_free (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, VulkanExecCtx *ectx, AVVkFrame *frame, enum PrepMode pmode)
static void	get_plane_wh (int *w, int *h, enum AVPixelFormat format, int frame_w, int frame_h, int plane)
static int	create_frame (AVHWFramesContext *hwfc, AVVkFrame **frame, VkImageTiling tiling, VkImageUsageFlagBits usage, 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, buffer_size_t size)
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 void	vulkan_unmap_frame (AVHWFramesContext *hwfc, HWMapDescriptor *hwmap)
static int	vulkan_map_frame_to_mem (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)
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 void	free_buf (void *opaque, uint8_t *data)
static size_t	get_req_buffer_size (VulkanDevicePriv *p, int *stride, int height)
static int	create_buf (AVHWDeviceContext *ctx, AVBufferRef **buf, VkBufferUsageFlags usage, VkMemoryPropertyFlagBits flags, size_t size, uint32_t req_memory_bits, int host_mapped, void *create_pnext, void *alloc_pnext)
static int	map_buffers (AVHWDeviceContext *ctx, AVBufferRef **bufs, uint8_t *mem[], int nb_buffers, int invalidate)
static int	unmap_buffers (AVHWDeviceContext *ctx, AVBufferRef **bufs, int nb_buffers, int flush)
static int	transfer_image_buf (AVHWFramesContext *hwfc, const AVFrame *f, AVBufferRef **bufs, size_t *buf_offsets, const int *buf_stride, int w, int h, enum AVPixelFormat pix_fmt, int to_buf)
static int	vulkan_transfer_data (AVHWFramesContext *hwfc, const AVFrame *vkf, const AVFrame *swf, int from)
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
struct {
enum AVPixelFormat   pixfmt
const VkFormat   vkfmts [4]
}	vk_pixfmt_map []
static const VulkanOptExtension	optional_instance_exts []
static const VulkanOptExtension	optional_device_exts []
const HWContextType	ff_hwcontext_type_vulkan

Macro Definition Documentation

GET_QUEUE_COUNT

#define GET_QUEUE_COUNT	(		hwctx,
			graph,
			comp,
			tx
	)

Value:

    (                   \
    graph ?  hwctx->nb_graphics_queues :                            \
    comp  ? (hwctx->nb_comp_queues ?                                \
             hwctx->nb_comp_queues : hwctx->nb_graphics_queues) :   \
    tx    ? (hwctx->nb_tx_queues ? hwctx->nb_tx_queues :            \
             (hwctx->nb_comp_queues ?                               \
              hwctx->nb_comp_queues : hwctx->nb_graphics_queues)) : \
    0                                                               \
)

Definition at line 107 of file hwcontext_vulkan.c.

VK_LOAD_PFN

#define VK_LOAD_PFN	(		inst,
			name
	)

Value:

                                              PFN_##name pfn_##name = (PFN_##name)           \
                                              vkGetInstanceProcAddr(inst, #name)

Definition at line 117 of file hwcontext_vulkan.c.

DEFAULT_USAGE_FLAGS

#define DEFAULT_USAGE_FLAGS

Value:

                             (VK_IMAGE_USAGE_SAMPLED_BIT      |                 \
                             VK_IMAGE_USAGE_STORAGE_BIT      |                 \
                             VK_IMAGE_USAGE_TRANSFER_SRC_BIT |                 \
                             VK_IMAGE_USAGE_TRANSFER_DST_BIT)

Definition at line 120 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 125 of file hwcontext_vulkan.c.

CASE

#define CASE

(

VAL

)

case VAL: return #VAL

SEARCH_FLAGS

#define SEARCH_FLAGS	(		expr,
			out
	)

Value:

    for (int i = 0; i < num; i++) {                                            \
        const VkQueueFlagBits flags = qs[i].queueFlags;                        \
        if (expr) {                                                            \
            out = i;                                                           \
            break;                                                             \
        }                                                                      \
    }

ADD_QUEUE

#define ADD_QUEUE	(		fidx,
			graph,
			comp,
			tx
	)

Value:

    av_log(ctx, AV_LOG_VERBOSE, "Using queue family %i (total queues: %i) for %s%s%s\n", \
           fidx, qs[fidx].queueCount, graph ? "graphics " : "",                          \
           comp ? "compute " : "", tx ? "transfers " : "");                              \
    av_log(ctx, AV_LOG_VERBOSE, "    QF %i flags: %s%s%s%s\n", fidx,                     \
           ((qs[fidx].queueFlags) & VK_QUEUE_GRAPHICS_BIT) ? "(graphics) " : "",         \
           ((qs[fidx].queueFlags) & VK_QUEUE_COMPUTE_BIT) ? "(compute) " : "",           \
           ((qs[fidx].queueFlags) & VK_QUEUE_TRANSFER_BIT) ? "(transfers) " : "",        \
           ((qs[fidx].queueFlags) & VK_QUEUE_SPARSE_BINDING_BIT) ? "(sparse) " : "");    \
    pc[cd->queueCreateInfoCount].queueFamilyIndex = fidx;                                \
    pc[cd->queueCreateInfoCount].queueCount = qs[fidx].queueCount;                       \
    weights = av_malloc(qs[fidx].queueCount * sizeof(float));                            \
    pc[cd->queueCreateInfoCount].pQueuePriorities = weights;                             \
    if (!weights)                                                                        \
        goto fail;                                                                       \
    for (int i = 0; i < qs[fidx].queueCount; i++)                                        \
        weights[i] = 1.0f;                                                               \
    cd->queueCreateInfoCount++;

COPY_FEATURE

#define COPY_FEATURE	(		DST,
			NAME
	)		(DST).features.NAME = dev_features.NAME;

CHECK_QUEUE

#define CHECK_QUEUE	(		type,
			n
	)

Value:

if (n >= queue_num) {                                                                \
    av_log(ctx, AV_LOG_ERROR, "Invalid %s queue index %i (device has %i queues)!\n", \
           type, n, queue_num);                                                      \
    return AVERROR(EINVAL);                                                          \
}

Enumeration Type Documentation

VulkanExtensions

enum VulkanExtensions

Enumerator
EXT_EXTERNAL_DMABUF_MEMORY
EXT_DRM_MODIFIER_FLAGS
EXT_EXTERNAL_FD_MEMORY
EXT_EXTERNAL_FD_SEM
EXT_EXTERNAL_HOST_MEMORY
EXT_PUSH_DESCRIPTORS
EXT_HOST_QUERY_RESET
EXT_NO_FLAG

Definition at line 244 of file hwcontext_vulkan.c.

PrepMode

enum PrepMode

Enumerator
PREP_MODE_WRITE
PREP_MODE_RO_SHADER
PREP_MODE_EXTERNAL_EXPORT

Definition at line 1476 of file hwcontext_vulkan.c.

Function Documentation

av_vkfmt_from_pixfmt()

const VkFormat* av_vkfmt_from_pixfmt

(

enum AVPixelFormat

p

)

Returns the format of each image up to the number of planes for a given sw_format.

Returns NULL on unsupported formats.

Definition at line 212 of file hwcontext_vulkan.c.

Referenced by create_frame(), pixfmt_is_supported(), process_frames(), and try_export_flags().

pixfmt_is_supported()

static int pixfmt_is_supported ( AVVulkanDeviceContext *  hwctx, enum AVPixelFormat  p, int  linear  )

static

Definition at line 220 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_get_constraints().

vk_ret2str()

static const char* vk_ret2str ( VkResult  res )

static

Definition at line 276 of file hwcontext_vulkan.c.

Referenced by alloc_bind_mem(), alloc_mem(), create_buf(), create_exec_ctx(), create_frame(), create_instance(), find_device(), map_buffers(), submit_exec_ctx(), unmap_buffers(), vulkan_device_create_internal(), vulkan_map_frame_to_mem(), vulkan_unmap_frame(), and wait_start_exec_ctx().

vk_dbg_callback()

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

static

Definition at line 316 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, int  debug  )

static

Definition at line 339 of file hwcontext_vulkan.c.

Referenced by create_instance(), and vulkan_device_create_internal().

create_instance()

static int create_instance ( AVHWDeviceContext *  ctx, AVDictionary *  opts  )

static

Definition at line 470 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 550 of file hwcontext_vulkan.c.

Referenced by find_device().

find_device()

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

static

Definition at line 562 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create_internal().

search_queue_families()

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

static

Definition at line 683 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create_internal().

create_exec_ctx()

static int create_exec_ctx ( AVHWFramesContext *  hwfc, VulkanExecCtx *  cmd, int  queue_family_index, int  num_queues  )

static

Definition at line 777 of file hwcontext_vulkan.c.

Referenced by ff_vk_create_exec_ctx(), and vulkan_frames_init().

free_exec_ctx()

static void free_exec_ctx ( AVHWFramesContext *  hwfc, VulkanExecCtx *  cmd  )

static

Definition at line 833 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_uninit().

get_buf_exec_ctx()

static VkCommandBuffer get_buf_exec_ctx ( AVHWFramesContext *  hwfc, VulkanExecCtx *  cmd  )

static

Definition at line 868 of file hwcontext_vulkan.c.

Referenced by prepare_frame(), and transfer_image_buf().

unref_exec_ctx_deps()

static void unref_exec_ctx_deps ( AVHWFramesContext *  hwfc, VulkanExecCtx *  cmd  )

static

Definition at line 873 of file hwcontext_vulkan.c.

Referenced by add_buf_dep_exec_ctx(), submit_exec_ctx(), and wait_start_exec_ctx().

wait_start_exec_ctx()

static int wait_start_exec_ctx ( AVHWFramesContext *  hwfc, VulkanExecCtx *  cmd  )

static

Definition at line 882 of file hwcontext_vulkan.c.

Referenced by prepare_frame(), and transfer_image_buf().

add_buf_dep_exec_ctx()

static int add_buf_dep_exec_ctx ( AVHWFramesContext *  hwfc, VulkanExecCtx *  cmd, AVBufferRef *const *  deps, int  nb_deps  )

static

Definition at line 923 of file hwcontext_vulkan.c.

Referenced by transfer_image_buf().

submit_exec_ctx()

static int submit_exec_ctx ( AVHWFramesContext *  hwfc, VulkanExecCtx *  cmd, VkSubmitInfo *  s_info, int  synchronous  )

static

Definition at line 953 of file hwcontext_vulkan.c.

Referenced by prepare_frame(), and transfer_image_buf().

vulkan_device_free()

static void vulkan_device_free ( AVHWDeviceContext *  ctx )

static

Definition at line 990 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create_internal().

vulkan_device_create_internal()

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

static

Definition at line 1014 of file hwcontext_vulkan.c.

Referenced by vulkan_device_create(), and vulkan_device_derive().

vulkan_device_init()

static int vulkan_device_init ( AVHWDeviceContext *  ctx )

static

Definition at line 1099 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 1169 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 1185 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 1256 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 1303 of file hwcontext_vulkan.c.

Referenced by alloc_bind_mem(), and create_buf().

vulkan_free_internal()

static void vulkan_free_internal ( AVVkFrameInternal *  internal )

static

Definition at line 1360 of file hwcontext_vulkan.c.

Referenced by vulkan_frame_free().

vulkan_frame_free()

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

static

Definition at line 1390 of file hwcontext_vulkan.c.

Referenced by create_frame(), vulkan_frames_init(), and 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 1408 of file hwcontext_vulkan.c.

Referenced by vulkan_pool_alloc().

prepare_frame()

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

static

Definition at line 1482 of file hwcontext_vulkan.c.

Referenced by vulkan_pool_alloc().

get_plane_wh()

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

inlinestatic

Definition at line 1555 of file hwcontext_vulkan.c.

Referenced by create_frame(), and transfer_image_buf().

create_frame()

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

static

Definition at line 1572 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 1659 of file hwcontext_vulkan.c.

Referenced by vulkan_pool_alloc().

vulkan_pool_alloc()

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

static

Definition at line 1696 of file hwcontext_vulkan.c.

Referenced by vulkan_frames_init().

vulkan_frames_uninit()

static void vulkan_frames_uninit ( AVHWFramesContext *  hwfc )

static

Definition at line 1752 of file hwcontext_vulkan.c.

vulkan_frames_init()

static int vulkan_frames_init ( AVHWFramesContext *  hwfc )

static

Definition at line 1761 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 1815 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 1829 of file hwcontext_vulkan.c.

vulkan_unmap_frame()

static void vulkan_unmap_frame ( AVHWFramesContext *  hwfc, HWMapDescriptor *  hwmap  )

static

Definition at line 1849 of file hwcontext_vulkan.c.

Referenced by vulkan_map_frame_to_mem().

vulkan_map_frame_to_mem()

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

static

Definition at line 1881 of file hwcontext_vulkan.c.

Referenced by vulkan_map_from().

vulkan_map_to()

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

static

Definition at line 2532 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 2705 of file hwcontext_vulkan.c.

free_buf()

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

static

Definition at line 2733 of file hwcontext_vulkan.c.

Referenced by create_buf().

get_req_buffer_size()

static size_t get_req_buffer_size ( VulkanDevicePriv *  p, int *  stride, int  height  )

static

Definition at line 2747 of file hwcontext_vulkan.c.

create_buf()

static int create_buf ( AVHWDeviceContext *  ctx, AVBufferRef **  buf, VkBufferUsageFlags  usage, VkMemoryPropertyFlagBits  flags, size_t  size, uint32_t  req_memory_bits, int  host_mapped, void *  create_pnext, void *  alloc_pnext  )

static

Definition at line 2756 of file hwcontext_vulkan.c.

map_buffers()

static int map_buffers ( AVHWDeviceContext *  ctx, AVBufferRef **  bufs, uint8_t *  mem[], int  nb_buffers, int  invalidate  )

static

Definition at line 2845 of file hwcontext_vulkan.c.

unmap_buffers()

static int unmap_buffers ( AVHWDeviceContext *  ctx, AVBufferRef **  bufs, int  nb_buffers, int  flush  )

static

Definition at line 2901 of file hwcontext_vulkan.c.

transfer_image_buf()

static int transfer_image_buf ( AVHWFramesContext *  hwfc, const AVFrame *  f, AVBufferRef **  bufs, size_t *  buf_offsets, const int *  buf_stride, int  w, int  h, enum AVPixelFormat  pix_fmt, int  to_buf  )

static

Definition at line 2946 of file hwcontext_vulkan.c.

vulkan_transfer_data()

static int vulkan_transfer_data ( AVHWFramesContext *  hwfc, const AVFrame *  vkf, const AVFrame *  swf, int  from  )

static

Definition at line 3060 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 3218 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 3325 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 3345 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 3351 of file hwcontext_vulkan.c.

Referenced by create_frame().

Variable Documentation

pixfmt

enum AVPixelFormat pixfmt

Definition at line 140 of file hwcontext_vulkan.c.

Referenced by av_vkfmt_from_pixfmt().

vkfmts

const VkFormat vkfmts[4]

Definition at line 141 of file hwcontext_vulkan.c.

vk_pixfmt_map

const { ... } vk_pixfmt_map[]

Referenced by av_vkfmt_from_pixfmt().

optional_instance_exts

const VulkanOptExtension optional_instance_exts[]

static

Initial value:

= {
    
}

Definition at line 261 of file hwcontext_vulkan.c.

Referenced by check_extensions().

optional_device_exts

const VulkanOptExtension optional_device_exts[]

static

Initial value:

= {
    { VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME,               EXT_EXTERNAL_FD_MEMORY,     },
    { VK_EXT_EXTERNAL_MEMORY_DMA_BUF_EXTENSION_NAME,          EXT_EXTERNAL_DMABUF_MEMORY, },
    { VK_EXT_IMAGE_DRM_FORMAT_MODIFIER_EXTENSION_NAME,        EXT_DRM_MODIFIER_FLAGS,     },
    { VK_KHR_EXTERNAL_SEMAPHORE_FD_EXTENSION_NAME,            EXT_EXTERNAL_FD_SEM,        },
    { VK_EXT_EXTERNAL_MEMORY_HOST_EXTENSION_NAME,             EXT_EXTERNAL_HOST_MEMORY,   },
    { VK_KHR_PUSH_DESCRIPTOR_EXTENSION_NAME,                  EXT_PUSH_DESCRIPTORS,       },
    { VK_EXT_HOST_QUERY_RESET_EXTENSION_NAME,                 EXT_HOST_QUERY_RESET,       },
}

Definition at line 265 of file hwcontext_vulkan.c.

Referenced by check_extensions(), and vulkan_device_init().

ff_hwcontext_type_vulkan

const HWContextType ff_hwcontext_type_vulkan

Definition at line 3356 of file hwcontext_vulkan.c.