SPIR-V Built-In
ObjectToWorldKHR
Transformation matrix from object to world space
ObjectToWorldKHR
A variable decorated with the ObjectToWorldKHR decoration will contain
the current object-to-world transformation matrix, which is determined by
the instance of the current intersection.
Valid Usage
VUID-ObjectToWorldKHR-ObjectToWorldKHR-04305
The ObjectToWorldKHR decoration must be used only within the
IntersectionKHR, AnyHitKHR, or ClosestHitKHR
Execution Model
VUID-ObjectToWorldKHR-ObjectToWorldKHR-04306
The variable decorated with ObjectToWorldKHR must be declared
using the Input Storage Class
VUID-ObjectToWorldKHR-ObjectToWorldKHR-04307
The variable decorated with ObjectToWorldKHR must be declared as a
matrix with four columns of three-component vectors of 32-bit
floating-point values