NumSubgroups(3)

Name

NumSubgroups - Number of subgroups in a workgroup

Description

NumSubgroups: Decorating a variable with the NumSubgroups built-in decoration will make that variable contain the number of subgroups in the local workgroup.

Valid Usage

VUID-NumSubgroups-NumSubgroups-04293
The NumSubgroups decoration must be used only within the GLCompute, MeshEXT, TaskEXT, MeshNV, or TaskNV Execution Model
VUID-NumSubgroups-NumSubgroups-04294
The variable decorated with NumSubgroups must be declared using the Input Storage Class
VUID-NumSubgroups-NumSubgroups-04295
The variable decorated with NumSubgroups must be declared as a scalar 32-bit integer value

See Also

No cross-references are available

Document Notes

For more information, see the Vulkan Specification (NOTE: cannot determine Specification page containing this refpage).

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.