Radeon ProRender

rpr_primvar_interpolation_type

Usage

Defines how primvar are interpolated.

Possible Values

Name Value Brief Explanation
RPR_PRIMVAR_INTERPOLATION_CONSTANT 0x1 This primvar set has a unique constant value for the whole shape.
RPR_PRIMVAR_INTERPOLATION_UNIFORM 0x2 Each face is mapped to a value. There is no interpolation between faces.
RPR_PRIMVAR_INTERPOLATION_VERTEX 0x3 Each vertex is mapped to a value. The primvar lookup uses vertice positions to interopolate each primvar value.
RPR_PRIMVAR_INTERPOLATION_FACEVARYING_NORMAL 0x4 Each vertex is mapped to a value. The primvar lookup uses vertice normals to interopolate each primvar value.
RPR_PRIMVAR_INTERPOLATION_FACEVARYING_UV 0x5 Each vertex is mapped to a value. The primvar lookup uses vertice UVs to interopolate each primvar value.