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C Specification

To query 64-bit atomic support for signed and unsigned integers call vkGetPhysicalDeviceFeatures2 with a VkPhysicalDeviceShaderAtomicInt64Features structure included in the pNext chain of its pFeatures parameter.

The VkPhysicalDeviceShaderAtomicInt64Features structure is defined as:

typedef struct VkPhysicalDeviceShaderAtomicInt64Features {
    VkStructureType    sType;
    void*              pNext;
    VkBool32           shaderBufferInt64Atomics;
    VkBool32           shaderSharedInt64Atomics;
} VkPhysicalDeviceShaderAtomicInt64Features;

or the equivalent

typedef VkPhysicalDeviceShaderAtomicInt64Features VkPhysicalDeviceShaderAtomicInt64FeaturesKHR;

Members

  • sType is the type of this structure.

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

Description

  • shaderBufferInt64Atomics indicates whether shaders can support 64-bit unsigned and signed integer atomic operations on buffers.

  • shaderSharedInt64Atomics indicates whether shaders can support 64-bit unsigned and signed integer atomic operations on shared memory.

Valid Usage (Implicit)
  • sType must be VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_ATOMIC_INT64_FEATURES

See Also

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