Vulkan.Extensions.VK_EXT_attachment_feedback_loop_layout

Name

VK_EXT_attachment_feedback_loop_layout - device extension

VK_EXT_attachment_feedback_loop_layout

Name String

VK_EXT_attachment_feedback_loop_layout

Extension Type

Device extension

Registered Extension Number

340

Revision

2

Ratification Status

Ratified

Extension and Version Dependencies

VK_KHR_get_physical_device_properties2

or

Vulkan Version 1.1

Special Uses

• OpenGL / ES support

• D3D support

Contact

• Joshua Ashton @Joshua-Ashton%0A*Here describe the issue or question you have about the VK_EXT_attachment_feedback_loop_layout extension*

Extension Proposal

VK_EXT_attachment_feedback_loop_layout

Other Extension Metadata

Last Modified Date

2022-04-04

IP Status

No known IP claims.

Contributors

• Joshua Ashton, Valve

• Faith Ekstrand, Collabora

• Bas Nieuwenhuizen, Google

• Samuel Iglesias Gonsálvez, Igalia

• Ralph Potter, Samsung

• Jan-Harald Fredriksen, Arm

• Ricardo Garcia, Igalia

Description

This extension adds a new image layout, IMAGE_LAYOUT_ATTACHMENT_FEEDBACK_LOOP_OPTIMAL_EXT, which allows applications to have an image layout in which they are able to both render to and sample/fetch from the same subresource of an image in a given render pass.

New Structures

• Extending PhysicalDeviceFeatures2, DeviceCreateInfo:

  • PhysicalDeviceAttachmentFeedbackLoopLayoutFeaturesEXT

New Enum Constants

• EXT_ATTACHMENT_FEEDBACK_LOOP_LAYOUT_EXTENSION_NAME

• EXT_ATTACHMENT_FEEDBACK_LOOP_LAYOUT_SPEC_VERSION

• Extending DependencyFlagBits:

  • DEPENDENCY_FEEDBACK_LOOP_BIT_EXT

• Extending ImageLayout:

  • IMAGE_LAYOUT_ATTACHMENT_FEEDBACK_LOOP_OPTIMAL_EXT

• Extending ImageUsageFlagBits:

  • IMAGE_USAGE_ATTACHMENT_FEEDBACK_LOOP_BIT_EXT

• Extending PipelineCreateFlagBits:

  • PIPELINE_CREATE_COLOR_ATTACHMENT_FEEDBACK_LOOP_BIT_EXT

  • PIPELINE_CREATE_DEPTH_STENCIL_ATTACHMENT_FEEDBACK_LOOP_BIT_EXT

• Extending StructureType:

  • STRUCTURE_TYPE_PHYSICAL_DEVICE_ATTACHMENT_FEEDBACK_LOOP_LAYOUT_FEATURES_EXT

Version History

• Revision 2, 2022-04-04 (Joshua Ashton)

  • Renamed from VALVE to EXT.

• Revision 1, 2021-03-09 (Joshua Ashton)

  • Initial draft.

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.