# VkExternalFenceProperties(3) Manual Page

## Name

VkExternalFenceProperties - Structure describing supported external fence handle features

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## C Specification

The `VkExternalFenceProperties` structure is defined as:

    // Provided by VK_VERSION_1_1
    typedef struct VkExternalFenceProperties {
        VkStructureType                   sType;
        void*                             pNext;
        VkExternalFenceHandleTypeFlags    exportFromImportedHandleTypes;
        VkExternalFenceHandleTypeFlags    compatibleHandleTypes;
        VkExternalFenceFeatureFlags       externalFenceFeatures;
    } VkExternalFenceProperties;

or the equivalent

    // Provided by VK_KHR_external_fence_capabilities
    typedef VkExternalFenceProperties VkExternalFencePropertiesKHR;

## Members

- `exportFromImportedHandleTypes` is a bitmask of VkExternalFenceHandleTypeFlagBits indicating which types of imported handle `handleType` can be exported from.

- `compatibleHandleTypes` is a bitmask of VkExternalFenceHandleTypeFlagBits specifying handle types which can be specified at the same time as `handleType` when creating a fence.

- `externalFenceFeatures` is a bitmask of VkExternalFenceFeatureFlagBits indicating the features of `handleType`.

## Description

If `handleType` is not supported by the implementation, then VkExternalFenceProperties::`externalFenceFeatures` will be zero.

Valid Usage (Implicit)

- VUID-VkExternalFenceProperties-sType-sType
  `sType` must be `VK_STRUCTURE_TYPE_EXTERNAL_FENCE_PROPERTIES`

- VUID-VkExternalFenceProperties-pNext-pNext
  `pNext` must be `NULL`

## See Also

VK_VERSION_1_1, VkExternalFenceFeatureFlags, VkExternalFenceHandleTypeFlags, VkStructureType, vkGetPhysicalDeviceExternalFenceProperties, vkGetPhysicalDeviceExternalFencePropertiesKHR

## Document Notes

For more information, see the Vulkan Specification

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

## Copyright

Copyright 2014-2024 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0