Compiled downstream.osl -> downstream.oso
Compiled upstream.osl -> upstream.oso
f_in = 1
f_comp_in = 11
C_in = 10 11 12
C_justr_in = 2 -1 -1
C_justg_in = -1 3 -1
C_justb_in = -1 -1 4
C_rgb_in = 2 3 4
C_rgb_separate_in = 12 11 10
C_f_to_rgb_in = 2 2 2

