# VkInstanceCreateInfo(3) Manual Page

## Name

VkInstanceCreateInfo - Structure specifying parameters of a newly created instance

## C Specification

The `VkInstanceCreateInfo` structure is defined as:

    typedef struct VkInstanceCreateInfo {
        VkStructureType             sType;
        const void*                 pNext;
        VkInstanceCreateFlags       flags;
        const VkApplicationInfo*    pApplicationInfo;
        uint32_t                    enabledLayerCount;
        const char* const*          ppEnabledLayerNames;
        uint32_t                    enabledExtensionCount;
        const char* const*          ppEnabledExtensionNames;
    } VkInstanceCreateInfo;

## Members

- `sType` is the type of this structure.

- `pNext` is `NULL` or a pointer to an extension-specific structure.

- `flags` is reserved for future use.

- `pApplicationInfo` is `NULL` or a pointer to a `VkApplicationInfo` structure. If not `NULL`, this information helps implementations recognize behavior inherent to classes of applications. VkApplicationInfo is defined in detail below.

- `enabledLayerCount` is the number of global layers to enable.

- `ppEnabledLayerNames` is a pointer to an array of `enabledLayerCount` null-terminated UTF-8 strings containing the names of layers to enable for the created instance. The layers are loaded in the order they are listed in this array, with the first array element being the closest to the application, and the last array element being the closest to the driver. See the https://www.khronos.org/registry/vulkan/specs/1.2-extensions/html/vkspec.html#extendingvulkan-layers section for further details.

- `enabledExtensionCount` is the number of global extensions to enable.

- `ppEnabledExtensionNames` is a pointer to an array of `enabledExtensionCount` null-terminated UTF-8 strings containing the names of extensions to enable.

## Description

Valid Usage (Implicit)

- `sType` must be `VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO`

- 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 VkDebugReportCallbackCreateInfoEXT, VkDebugUtilsMessengerCreateInfoEXT, VkValidationFeaturesEXT, or VkValidationFlagsEXT

- The `sType` value of each struct in the `pNext` chain must be unique

- `flags` must be `0`

- If `pApplicationInfo` is not `NULL`, `pApplicationInfo` must be a valid pointer to a valid VkApplicationInfo structure

- If `enabledLayerCount` is not `0`, `ppEnabledLayerNames` must be a valid pointer to an array of `enabledLayerCount` null-terminated UTF-8 strings

- If `enabledExtensionCount` is not `0`, `ppEnabledExtensionNames` must be a valid pointer to an array of `enabledExtensionCount` null-terminated UTF-8 strings

## See Also

VkApplicationInfo, VkInstanceCreateFlags, VkStructureType, vkCreateInstance

## 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 (c) 2014-2020 Khronos Group. This work is licensed under a Creative Commons Attribution 4.0 International License.