Vulkan.Extensions.VK_GOOGLE_surfaceless_query

Name

VK_GOOGLE_surfaceless_query - instance extension

VK_GOOGLE_surfaceless_query

Name String

VK_GOOGLE_surfaceless_query

Extension Type

Instance extension

Registered Extension Number

434

Revision

2

Ratification Status

Not ratified

Extension and Version Dependencies

VK_KHR_surface

Special Use

• OpenGL / ES support

Contact

• Shahbaz Youssefi @syoussefi%0A*Here describe the issue or question you have about the VK_GOOGLE_surfaceless_query extension*

Extension Proposal

VK_GOOGLE_surfaceless_query

Other Extension Metadata

Last Modified Date

2022-08-03

IP Status

No known IP claims.

Contributors

• Ian Elliott, Google

• Shahbaz Youssefi, Google

• James Jones, NVIDIA

Description

This extension allows the getPhysicalDeviceSurfaceFormatsKHR and getPhysicalDeviceSurfacePresentModesKHR functions to accept NULL_HANDLE as their surface parameter, allowing potential surface formats, color spaces and present modes to be queried without providing a surface. Identically, getPhysicalDeviceSurfaceFormats2KHR, getPhysicalDeviceSurfacePresentModes2EXT, and getPhysicalDeviceSurfaceCapabilities2KHR would accept NULL_HANDLE in PhysicalDeviceSurfaceInfo2KHR::surface. __This can only be supported on platforms where the results of these queries are surface-agnostic and a single presentation engine is the implicit target of all present operations__.

New Enum Constants

• GOOGLE_SURFACELESS_QUERY_EXTENSION_NAME

• GOOGLE_SURFACELESS_QUERY_SPEC_VERSION

Version History

• Revision 1, 2021-12-14 (Shahbaz Youssefi)

  • Internal revisions

• Revision 2, 2022-08-03 (Shahbaz Youssefi)

  • Precisions to which parts of the query responses are defined when surfaceless

See Also

No cross-references are available

Document Notes

For more information, see the Vulkan Specification.

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