Set the scale and units used to calculate depth values

Property definitions

glesv2 :: glesv2 $ Sys :: glPolygonOffset
# Set the scale and units used to calculate depth values
fun glPolygonOffset(factor, units: Float) `{ glPolygonOffset(factor, units); `}
lib/glesv2/glesv2.nit:1287,1--1288,79