# VkValidationCacheCreateInfoEXT(3) Manual Page

## Name

VkValidationCacheCreateInfoEXT - Structure specifying parameters of a newly created validation cache

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## C Specification

The `VkValidationCacheCreateInfoEXT` structure is defined as:

    // Provided by VK_EXT_validation_cache
    typedef struct VkValidationCacheCreateInfoEXT {
        VkStructureType                    sType;
        const void*                        pNext;
        VkValidationCacheCreateFlagsEXT    flags;
        size_t                             initialDataSize;
        const void*                        pInitialData;
    } VkValidationCacheCreateInfoEXT;

## 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.

- `initialDataSize` is the number of bytes in `pInitialData`. If `initialDataSize` is zero, the validation cache will initially be empty.

- `pInitialData` is a pointer to previously retrieved validation cache data. If the validation cache data is incompatible (as defined below) with the device, the validation cache will be initially empty. If `initialDataSize` is zero, `pInitialData` is ignored.

## Description

Valid Usage

- VUID-VkValidationCacheCreateInfoEXT-initialDataSize-01534
  If `initialDataSize` is not `0`, it must be equal to the size of `pInitialData`, as returned by `vkGetValidationCacheDataEXT` when `pInitialData` was originally retrieved

- VUID-VkValidationCacheCreateInfoEXT-initialDataSize-01535
  If `initialDataSize` is not `0`, `pInitialData` must have been retrieved from a previous call to `vkGetValidationCacheDataEXT`

Valid Usage (Implicit)

- VUID-VkValidationCacheCreateInfoEXT-sType-sType
  `sType` must be `VK_STRUCTURE_TYPE_VALIDATION_CACHE_CREATE_INFO_EXT`

- VUID-VkValidationCacheCreateInfoEXT-pNext-pNext
  `pNext` must be `NULL`

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

- VUID-VkValidationCacheCreateInfoEXT-pInitialData-parameter
  If `initialDataSize` is not `0`, `pInitialData` must be a valid pointer to an array of `initialDataSize` bytes

## See Also

VK_EXT_validation_cache, VkStructureType, VkValidationCacheCreateFlagsEXT, vkCreateValidationCacheEXT

## 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