Registered Extension Number

317

Revision

1

Ratification Status

Not ratified

Extension and Version Dependencies

                 VK_KHR_get_physical_device_properties2
                 or
                 Version 1.1
             and
             VK_KHR_buffer_device_address
             and
             VK_EXT_descriptor_indexing
         or
         Version 1.2
     and
     VK_KHR_synchronization2
or
Version 1.3

API Interactions

  • Interacts with VK_KHR_acceleration_structure

  • Interacts with VK_NV_ray_tracing

Contact

Extension Proposal

VK_EXT_descriptor_buffer

Other Extension Metadata

Last Modified Date

2021-06-07

IP Status

No known IP claims.

Contributors

  • Tobias Hector, AMD

  • Stu Smith, AMD

  • Maciej Jesionowski, AMD

  • Boris Zanin, AMD

  • Hans-Kristian Arntzen, Valve

  • Connor Abbott, Valve

  • Baldur Karlsson, Valve

  • Mike Blumenkrantz, Valve

  • Graeme Leese, Broadcom

  • Jan-Harald Fredriksen, Arm

  • Rodrigo Locatti, NVIDIA

  • Jeff Bolz, NVIDIA

  • Piers Daniell, NVIDIA

  • Jeff Leger, QUALCOMM

  • Lionel Landwerlin, Intel

  • Slawomir Grajewski, Intel

Description

This extension introduces new commands to put shader-accessible descriptors directly in memory, making the management of descriptor data more explicit.

New Commands

If VK_KHR_acceleration_structure or VK_NV_ray_tracing is supported:

New Structures

If VK_KHR_acceleration_structure or VK_NV_ray_tracing is supported:

New Unions

New Enum Constants

  • VK_EXT_DESCRIPTOR_BUFFER_EXTENSION_NAME

  • VK_EXT_DESCRIPTOR_BUFFER_SPEC_VERSION

  • Extending VkAccelerationStructureCreateFlagBitsKHR:

    • VK_ACCELERATION_STRUCTURE_CREATE_DESCRIPTOR_BUFFER_CAPTURE_REPLAY_BIT_EXT

  • Extending VkAccessFlagBits2:

    • VK_ACCESS_2_DESCRIPTOR_BUFFER_READ_BIT_EXT

  • Extending VkBufferCreateFlagBits:

    • VK_BUFFER_CREATE_DESCRIPTOR_BUFFER_CAPTURE_REPLAY_BIT_EXT

  • Extending VkBufferUsageFlagBits:

    • VK_BUFFER_USAGE_PUSH_DESCRIPTORS_DESCRIPTOR_BUFFER_BIT_EXT

    • VK_BUFFER_USAGE_RESOURCE_DESCRIPTOR_BUFFER_BIT_EXT

    • VK_BUFFER_USAGE_SAMPLER_DESCRIPTOR_BUFFER_BIT_EXT

  • Extending VkDescriptorSetLayoutCreateFlagBits:

    • VK_DESCRIPTOR_SET_LAYOUT_CREATE_DESCRIPTOR_BUFFER_BIT_EXT

    • VK_DESCRIPTOR_SET_LAYOUT_CREATE_EMBEDDED_IMMUTABLE_SAMPLERS_BIT_EXT

  • Extending VkImageCreateFlagBits:

    • VK_IMAGE_CREATE_DESCRIPTOR_BUFFER_CAPTURE_REPLAY_BIT_EXT

  • Extending VkImageViewCreateFlagBits:

    • VK_IMAGE_VIEW_CREATE_DESCRIPTOR_BUFFER_CAPTURE_REPLAY_BIT_EXT

  • Extending VkPipelineCreateFlagBits:

    • VK_PIPELINE_CREATE_DESCRIPTOR_BUFFER_BIT_EXT

  • Extending VkSamplerCreateFlagBits:

    • VK_SAMPLER_CREATE_DESCRIPTOR_BUFFER_CAPTURE_REPLAY_BIT_EXT

  • Extending VkStructureType:

    • VK_STRUCTURE_TYPE_BUFFER_CAPTURE_DESCRIPTOR_DATA_INFO_EXT

    • VK_STRUCTURE_TYPE_DESCRIPTOR_ADDRESS_INFO_EXT

    • VK_STRUCTURE_TYPE_DESCRIPTOR_BUFFER_BINDING_INFO_EXT

    • VK_STRUCTURE_TYPE_DESCRIPTOR_BUFFER_BINDING_PUSH_DESCRIPTOR_BUFFER_HANDLE_EXT

    • VK_STRUCTURE_TYPE_DESCRIPTOR_GET_INFO_EXT

    • VK_STRUCTURE_TYPE_IMAGE_CAPTURE_DESCRIPTOR_DATA_INFO_EXT

    • VK_STRUCTURE_TYPE_IMAGE_VIEW_CAPTURE_DESCRIPTOR_DATA_INFO_EXT

    • VK_STRUCTURE_TYPE_OPAQUE_CAPTURE_DESCRIPTOR_DATA_CREATE_INFO_EXT

    • VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DESCRIPTOR_BUFFER_DENSITY_MAP_PROPERTIES_EXT

    • VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DESCRIPTOR_BUFFER_FEATURES_EXT

    • VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DESCRIPTOR_BUFFER_PROPERTIES_EXT

    • VK_STRUCTURE_TYPE_SAMPLER_CAPTURE_DESCRIPTOR_DATA_INFO_EXT

If VK_KHR_acceleration_structure or VK_NV_ray_tracing is supported:

  • Extending VkStructureType:

    • VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_CAPTURE_DESCRIPTOR_DATA_INFO_EXT

Version History

  • Revision 1, 2021-06-07 (Stu Smith)

    • 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

Copyright 2014-2024 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0