# VK_KHR_separate_depth_stencil_layouts(3) Manual Page

## Name

VK_KHR_separate_depth_stencil_layouts - device extension

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## Registered Extension Number

242

## Revision

1

## Ratification Status

Ratified

## Extension and Version Dependencies

VK_KHR_get_physical_device_properties2
or
Vulkan Version 1.1
and
VK_KHR_create_renderpass2
or
Vulkan Version 1.2

## Deprecation State

- Promoted to Vulkan 1.2

## Contact

- Piers Daniell [GitHub]pdaniell-nv

## Other Extension Metadata

Last Modified Date

  2019-06-25

Contributors

  - Daniel Koch, NVIDIA

  - Jeff Bolz, NVIDIA

  - Jesse Barker, Unity

  - Tobias Hector, AMD

## Description

This extension allows image memory barriers for depth/stencil images to have just one of the `VK_IMAGE_ASPECT_DEPTH_BIT` or `VK_IMAGE_ASPECT_STENCIL_BIT` aspect bits set, rather than require both. This allows their layouts to be set independently. To support depth/stencil images with different layouts for the depth and stencil aspects, the depth/stencil attachment interface has been updated to support a separate layout for stencil.

## Promotion to Vulkan 1.2

All functionality in this extension is included in core Vulkan 1.2, with the KHR suffix omitted. The original type, enum, and command names are still available as aliases of the core functionality.

## New Structures

- Extending VkAttachmentDescription2:

  - VkAttachmentDescriptionStencilLayoutKHR

- Extending VkAttachmentReference2:

  - VkAttachmentReferenceStencilLayoutKHR

- Extending VkPhysicalDeviceFeatures2, VkDeviceCreateInfo:

  - VkPhysicalDeviceSeparateDepthStencilLayoutsFeaturesKHR

## New Enum Constants

- `VK_KHR_SEPARATE_DEPTH_STENCIL_LAYOUTS_EXTENSION_NAME`

- `VK_KHR_SEPARATE_DEPTH_STENCIL_LAYOUTS_SPEC_VERSION`

- Extending VkImageLayout:

  - `VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_OPTIMAL_KHR`

  - `VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_OPTIMAL_KHR`

  - `VK_IMAGE_LAYOUT_STENCIL_ATTACHMENT_OPTIMAL_KHR`

  - `VK_IMAGE_LAYOUT_STENCIL_READ_ONLY_OPTIMAL_KHR`

- Extending VkStructureType:

  - `VK_STRUCTURE_TYPE_ATTACHMENT_DESCRIPTION_STENCIL_LAYOUT_KHR`

  - `VK_STRUCTURE_TYPE_ATTACHMENT_REFERENCE_STENCIL_LAYOUT_KHR`

  - `VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SEPARATE_DEPTH_STENCIL_LAYOUTS_FEATURES_KHR`

## Version History

- Revision 1, 2019-06-25 (Piers Daniell)

  - 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 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0