Name

VK_KHR_push_descriptor - device extension

VK_KHR_push_descriptor

Name String

VK_KHR_push_descriptor

Extension Type

Device extension

Registered Extension Number

81

Revision

2

Ratification Status

Ratified

Extension and Version Dependencies

VK_KHR_get_physical_device_properties2 or Vulkan Version 1.1

API Interactions

• Interacts with VK_VERSION_1_1
• Interacts with VK_KHR_descriptor_update_template

Deprecation State

• Promoted to Vulkan 1.4

Contact

• Jeff Bolz @jeffbolznv%0A*Here describe the issue or question you have about the VK_KHR_push_descriptor extension*

Other Extension Metadata

Last Modified Date

2017-09-12

IP Status

No known IP claims.

Contributors

• Jeff Bolz, NVIDIA
• Michael Worcester, Imagination Technologies

Description

This extension allows descriptors to be written into the command buffer, while the implementation is responsible for managing their memory. Push descriptors may enable easier porting from older APIs and in some cases can be more efficient than writing descriptors into descriptor sets.

New Commands

• cmdPushDescriptorSetKHR

If Vulkan Version 1.1 or VK_KHR_descriptor_update_template is supported:

• cmdPushDescriptorSetWithTemplateKHR

New Structures

• Extending PhysicalDeviceProperties2:

  • PhysicalDevicePushDescriptorPropertiesKHR

New Enum Constants

• KHR_PUSH_DESCRIPTOR_EXTENSION_NAME

• KHR_PUSH_DESCRIPTOR_SPEC_VERSION

• Extending DescriptorSetLayoutCreateFlagBits:

  • DESCRIPTOR_SET_LAYOUT_CREATE_PUSH_DESCRIPTOR_BIT_KHR

• Extending StructureType:

  • STRUCTURE_TYPE_PHYSICAL_DEVICE_PUSH_DESCRIPTOR_PROPERTIES_KHR

If Vulkan Version 1.1 or VK_KHR_descriptor_update_template is supported:

• Extending DescriptorUpdateTemplateType:

  • DESCRIPTOR_UPDATE_TEMPLATE_TYPE_PUSH_DESCRIPTORS_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, 2016-10-15 (Jeff Bolz)

  • Internal revisions

• Revision 2, 2017-09-12 (Tobias Hector)

  • Added interactions with Vulkan 1.1

See Also

No cross-references are available

Document Notes

For more information, see the Vulkan Specification.

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