# VkSwapchainCounterCreateInfoEXT(3) Manual Page

## Name

VkSwapchainCounterCreateInfoEXT - Specify the surface counters desired

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## C Specification

To enable surface counters when creating a swapchain, add a `VkSwapchainCounterCreateInfoEXT` structure to the `pNext` chain of VkSwapchainCreateInfoKHR. `VkSwapchainCounterCreateInfoEXT` is defined as:

    // Provided by VK_EXT_display_control
    typedef struct VkSwapchainCounterCreateInfoEXT {
        VkStructureType             sType;
        const void*                 pNext;
        VkSurfaceCounterFlagsEXT    surfaceCounters;
    } VkSwapchainCounterCreateInfoEXT;

## Members

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

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

- `surfaceCounters` is a bitmask of VkSurfaceCounterFlagBitsEXT specifying surface counters to enable for the swapchain.

## Description

Valid Usage

- VUID-VkSwapchainCounterCreateInfoEXT-surfaceCounters-01244
  The bits in `surfaceCounters` must be supported by VkSwapchainCreateInfoKHR::`surface`, as reported by vkGetPhysicalDeviceSurfaceCapabilities2EXT

Valid Usage (Implicit)

- VUID-VkSwapchainCounterCreateInfoEXT-sType-sType
  `sType` must be `VK_STRUCTURE_TYPE_SWAPCHAIN_COUNTER_CREATE_INFO_EXT`

- VUID-VkSwapchainCounterCreateInfoEXT-surfaceCounters-parameter
  `surfaceCounters` must be a valid combination of VkSurfaceCounterFlagBitsEXT values

## See Also

VK_EXT_display_control, VkStructureType, VkSurfaceCounterFlagsEXT

## 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