# VK_NV_dedicated_allocation_image_aliasing(3) Manual Page

## Name

VK_NV_dedicated_allocation_image_aliasing - device extension

Loading… please wait.

## Registered Extension Number

241

## Revision

1

## Ratification Status

Not ratified

## Extension and Version Dependencies

VK_KHR_dedicated_allocation
and
VK_KHR_get_physical_device_properties2
or
Vulkan Version 1.1

## Contact

- Nuno Subtil [GitHub]nsubtil

## Other Extension Metadata

Last Modified Date

  2019-01-04

Contributors

  - Nuno Subtil, NVIDIA

  - Jeff Bolz, NVIDIA

  - Eric Werness, NVIDIA

  - Axel Gneiting, id Software

## Description

This extension allows applications to alias images on dedicated allocations, subject to specific restrictions: the extent and the number of layers in the image being aliased must be smaller than or equal to those of the original image for which the allocation was created, and every other image parameter must match.

## New Structures

- Extending VkPhysicalDeviceFeatures2, VkDeviceCreateInfo:

  - VkPhysicalDeviceDedicatedAllocationImageAliasingFeaturesNV

## New Enum Constants

- `VK_NV_DEDICATED_ALLOCATION_IMAGE_ALIASING_EXTENSION_NAME`

- `VK_NV_DEDICATED_ALLOCATION_IMAGE_ALIASING_SPEC_VERSION`

- Extending VkStructureType:

  - `VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DEDICATED_ALLOCATION_IMAGE_ALIASING_FEATURES_NV`

## Version History

- Revision 1, 2019-01-04 (Nuno Subtil)

  - 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 2014-2024 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0