SPIR-V Built-In
ShadingRateKHR
Shading rate of a fragment
ShadingRateKHR
Decorating a variable with the ShadingRateKHR built-in decoration will
make that variable contain the fragment
shading rate for the current fragment invocation.
Valid Usage
VUID-ShadingRateKHR-ShadingRateKHR-04490
The ShadingRateKHR decoration must be used only within the
Fragment Execution Model
VUID-ShadingRateKHR-ShadingRateKHR-04491
The variable decorated with ShadingRateKHR must be declared using
the Input Storage Class
VUID-ShadingRateKHR-ShadingRateKHR-04492
The variable decorated with ShadingRateKHR must be declared as a
scalar 32-bit integer value