albedo

vector  albedo(bsdf b, ...)

vector  albedo(bsdf b, int mask, ...)

vector  albedo(bsdf b, vector viewer, ...)

vector  albedo(bsdf b, vector viewer, int mask, ...)

viewer

Vector toward viewer.

mask

A bitmask composed from values representing different shading components.

See bouncemask for information on component label bitmasks.