pub(crate) fn sgrproj_box_f_r2_internal<T: Pixel>( af: &[&[u32]; 2], bf: &[&[u32]; 2], f0: &mut [u32], f1: &mut [u32], start_x: usize, y: usize, w: usize, cdeffed: &PlaneSlice<'_, T>, )