VK_NV_shader_atomic_float16_vector(3)

# VK_NV_shader_atomic_float16_vector(3) Manual Page

## Name

VK_NV_shader_atomic_float16_vector - device extension

## Registered Extension Number

564

## Revision

1

## Ratification Status

Not ratified

## Extension and Version Dependencies

VK_KHR_get_physical_device_properties2
or
Vulkan Version 1.1

## SPIR-V Dependencies

- SPV_NV_shader_atomic_fp16_vector

## Contact

- Jeff Bolz [GitHub]jeffbolznv

## Other Extension Metadata

Last Modified Date

  2024-02-03

IP Status

  No known IP claims.

Interactions and External Dependencies

  - This extension provides API support for `GL_NV_shader_atomic_fp16_vector`

Contributors

  - Jeff Bolz, NVIDIA

## Description

This extension allows a shader to perform atomic add, min, max, and exchange operations on 2- and 4-component vectors of float16. Buffer, workgroup, and image storage classes are all supported.

## New Structures

- Extending VkPhysicalDeviceFeatures2, VkDeviceCreateInfo:

  - VkPhysicalDeviceShaderAtomicFloat16VectorFeaturesNV

## New Enum Constants

- `VK_NV_SHADER_ATOMIC_FLOAT16_VECTOR_EXTENSION_NAME`

- `VK_NV_SHADER_ATOMIC_FLOAT16_VECTOR_SPEC_VERSION`

- Extending VkStructureType:

  - VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_ATOMIC_FLOAT16_VECTOR_FEATURES_NV

## Issues

None.

## New SPIR-V Capabilities

- `AtomicFloat16VectorNV`

## Version History

- Revision 1, 2024-02-03 (Jeff Bolz)

  - Internal revisions

## See Also

No cross-references are available

## Document Notes

For more information, see the Vulkan Specification.

This page is a generated document. Fixes and changes should be made to the generator scripts, not directly.

## Copyright

Copyright 2014-2026 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0