# VkSemaphoreCreateInfo(3) Manual Page

## Name

VkSemaphoreCreateInfo - Structure specifying parameters of a newly created semaphore

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## C Specification

The `VkSemaphoreCreateInfo` structure is defined as:

    // Provided by VK_VERSION_1_0
    typedef struct VkSemaphoreCreateInfo {
        VkStructureType           sType;
        const void*               pNext;
        VkSemaphoreCreateFlags    flags;
    } VkSemaphoreCreateInfo;

## Members

- `sType` is a VkStructureType value identifying this structure.

- `pNext` is `NULL` or a pointer to a structure extending this structure.

- `flags` is reserved for future use.

## Description

Valid Usage

- VUID-VkSemaphoreCreateInfo-pNext-06789
  If the `pNext` chain includes a VkExportMetalObjectCreateInfoEXT structure, its `exportObjectType` member must be `VK_EXPORT_METAL_OBJECT_TYPE_METAL_SHARED_EVENT_BIT_EXT`

Valid Usage (Implicit)

- VUID-VkSemaphoreCreateInfo-sType-sType
  `sType` must be `VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO`

- VUID-VkSemaphoreCreateInfo-pNext-pNext
  Each `pNext` member of any structure (including this one) in the `pNext` chain must be either `NULL` or a pointer to a valid instance of VkExportMetalObjectCreateInfoEXT, VkExportSemaphoreCreateInfo, VkExportSemaphoreWin32HandleInfoKHR, VkImportMetalSharedEventInfoEXT, VkQueryLowLatencySupportNV, or VkSemaphoreTypeCreateInfo

- VUID-VkSemaphoreCreateInfo-sType-unique
  The `sType` value of each structure in the `pNext` chain must be unique, with the exception of structures of type VkExportMetalObjectCreateInfoEXT

- VUID-VkSemaphoreCreateInfo-flags-zerobitmask
  `flags` must be `0`

## See Also

VK_VERSION_1_0, VkSemaphoreCreateFlags, VkStructureType, vkCreateSemaphore

## 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 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0