c79b55fc05
Changes authored by Michael B Johnson (drwave). This addresses the issue in T102911. Add scale and bias inputs to ensure the normals are in tangent space [(-1,-1,-1), (1,1,1)]. This is following the convention as set in the USD Spec (https://graphics.pixar.com/usd/dev/spec_usdpreviewsurface.html). Differential Revision: https://developer.blender.org/D17072