Registered Extension Number

546

Revision

1

Ratification Status

Ratified

Extension and Version Dependencies

API Interactions

  • Interacts with VK_EXT_descriptor_buffer

  • Interacts with VK_KHR_push_descriptor

Deprecation State

Contact

Extension Proposal

Other Extension Metadata

Last Modified Date

2023-08-03

Interactions and External Dependencies
Contributors
  • Jon Leech, Khronos

  • Stu Smith, AMD

  • Mike Blumenkrantz, Valve

  • Ralph Potter, Samsung

  • James Fitzpatrick, Imagination Technologies

  • Piers Daniell, NVIDIA

  • Daniel Story, Nintendo

Description

VK_KHR_maintenance6 adds a collection of minor features, none of which would warrant an entire extension of their own.

The new features are as follows:

  • VkBindMemoryStatusKHR may be included in the pNext chain of VkBindBufferMemoryInfo and VkBindImageMemoryInfo, allowing applications to identify individual resources for which memory binding failed during calls to vkBindBufferMemory2 and vkBindImageMemory2.

  • A new property fragmentShadingRateClampCombinerInputs to indicate if an implementation clamps the inputs to fragment shading rate combiner operations.

  • VK_NULL_HANDLE is allowed to be used when binding an index buffer, instead of a valid VkBuffer handle. When the nullDescriptor feature is enabled, every index fetched results in a value of zero.

  • A new property maxCombinedImageSamplerDescriptorCount to indicate the maximum number of descriptors needed for any of the formats that require a sampler Y′CBCR conversion supported by the implementation.

  • A new property blockTexelViewCompatibleMultipleLayers indicating whether VK_IMAGE_CREATE_BLOCK_TEXEL_VIEW_COMPATIBLE_BIT is allowed to be used with layerCount > 1

  • pNext extensible *2 versions of all descriptor binding commands.

New Commands

New Structures

New Enum Constants

  • VK_KHR_MAINTENANCE_6_EXTENSION_NAME

  • VK_KHR_MAINTENANCE_6_SPEC_VERSION

  • Extending VkStructureType:

    • VK_STRUCTURE_TYPE_BIND_DESCRIPTOR_SETS_INFO_KHR

    • VK_STRUCTURE_TYPE_BIND_MEMORY_STATUS_KHR

    • VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MAINTENANCE_6_FEATURES_KHR

    • VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MAINTENANCE_6_PROPERTIES_KHR

    • VK_STRUCTURE_TYPE_PUSH_CONSTANTS_INFO_KHR

If VK_EXT_descriptor_buffer is supported:

  • Extending VkStructureType:

    • VK_STRUCTURE_TYPE_BIND_DESCRIPTOR_BUFFER_EMBEDDED_SAMPLERS_INFO_EXT

    • VK_STRUCTURE_TYPE_SET_DESCRIPTOR_BUFFER_OFFSETS_INFO_EXT

If VK_KHR_push_descriptor is supported:

  • Extending VkStructureType:

    • VK_STRUCTURE_TYPE_PUSH_DESCRIPTOR_SET_INFO_KHR

    • VK_STRUCTURE_TYPE_PUSH_DESCRIPTOR_SET_WITH_TEMPLATE_INFO_KHR

Promotion to Vulkan 1.4

Functionality in this extension is included in core Vulkan 1.4 with the KHR suffix omitted. The original type, enum and command names are still available as aliases of the core functionality.

Version History

  • Revision 1, 2023-08-01 (Jon Leech)

    • Initial revision

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 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0