Description
SubgroupLtMask
-
Decorating a variable with the
SubgroupLtMask
builtin decoration will make that variable contain the subgroup mask of the current subgroup invocation. The bits corresponding to the invocations less thanSubgroupLocalInvocationId
are set in the variable decorated withSubgroupLtMask
. All other bits are set to zero.SubgroupLtMaskKHR
is an alias ofSubgroupLtMask
.
Document Notes
For more information, see the Vulkan Specification
This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.