pr-13350-1c97e6 vs. 2412-270 / mtl-osx-m1 / melee-lighting

pr-13350-1c97e6 (1c97e641) Diff 2412-270 (c770e7c2)
18ae203b60daf2220ab41e5174cc0b1a6a20a4f5 Waiting for diff... eac718888a3e904787a5063518472d31a5e37265
30500ac49d16a625b839bd9ceddc0e37f5a77927 Waiting for diff... 53d82a046c6e01adc805261912cd9969aa4d480b
7bee06482a92360b28d5e26f72d5d2cdf356bfd0 Waiting for diff... 4b89dd9f6f19bcc68348a6f6ecd16fae35e98e73