SPIR-V Built-In
SMIDNV
SM ID on which a shader invocation is running
SMIDNV
Decorating a variable with the SMIDNV built-in decoration will make
that variable contain the ID of the SM on which the current shader
invocation is running.
This variable is in the range [0, SMCountNV-1].
Valid Usage
VUID-SMIDNV-SMIDNV-04365
The variable decorated with SMIDNV must be declared using the
Input Storage Class
VUID-SMIDNV-SMIDNV-04366
The variable decorated with SMIDNV must be declared as a scalar
32-bit integer value