SPIR-V Built-In
BaryCoordNoPerspAMD
Barycentric coordinates of a fragment center in screen-space
BaryCoordNoPerspAMD
The BaryCoordNoPerspAMD decoration can be used to decorate a fragment
shader input variable.
This variable will contain the (I,J) pair of the barycentric coordinates
corresponding to the fragment evaluated using linear interpolation at the
fragment’s center.
The K coordinate of the barycentric coordinates can be derived given the
identity I + J + K = 1.0.
Valid Usage
VUID-BaryCoordNoPerspAMD-BaryCoordNoPerspAMD-04157
The BaryCoordNoPerspAMD decoration must be used only within the
Fragment Execution Model
VUID-BaryCoordNoPerspAMD-BaryCoordNoPerspAMD-04158
The variable decorated with BaryCoordNoPerspAMD must be declared
using the Input Storage Class
VUID-BaryCoordNoPerspAMD-BaryCoordNoPerspAMD-04159
The variable decorated with BaryCoordNoPerspAMD must be declared
as a two-component vector of 32-bit floating-point values