# VkPhysicalDeviceShaderImageAtomicInt64FeaturesEXT(3) Manual Page

## Name

VkPhysicalDeviceShaderImageAtomicInt64FeaturesEXT - Structure describing features supported by VK_EXT_shader_image_atomic_int64

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## C Specification

The VkPhysicalDeviceShaderImageAtomicInt64FeaturesEXT structure is defined as:

    // Provided by VK_EXT_shader_image_atomic_int64
    typedef struct VkPhysicalDeviceShaderImageAtomicInt64FeaturesEXT {
        VkStructureType    sType;
        void*              pNext;
        VkBool32           shaderImageInt64Atomics;
        VkBool32           sparseImageInt64Atomics;
    } VkPhysicalDeviceShaderImageAtomicInt64FeaturesEXT;

## Members

This structure describes the following features:

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

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

- `shaderImageInt64Atomics` indicates whether shaders can support 64-bit unsigned and signed integer atomic operations on images.

- `sparseImageInt64Atomics` indicates whether 64-bit integer atomics can be used on sparse images.

## Description

If the `VkPhysicalDeviceShaderAtomicInt64FeaturesEXT` structure is included in the `pNext` chain of the VkPhysicalDeviceFeatures2 structure passed to vkGetPhysicalDeviceFeatures2, it is filled in to indicate whether each corresponding feature is supported. If the application wishes to use a VkDevice with any features described by `VkPhysicalDeviceShaderAtomicInt64FeaturesEXT`, it must add an instance of the structure, with the desired feature members set to `VK_TRUE`, to the `pNext` chain of VkDeviceCreateInfo when creating the VkDevice.

Valid Usage (Implicit)

- VUID-VkPhysicalDeviceShaderImageAtomicInt64FeaturesEXT-sType-sType
  `sType` must be `VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_IMAGE_ATOMIC_INT64_FEATURES_EXT`

## See Also

VK_EXT_shader_image_atomic_int64, VkBool32, VkStructureType

## 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