pr-13477-14068e vs. 2503-176 / mtl-osx-m1 / nddemo-lighting

pr-13477-14068e (14068e4f) Diff 2503-176 (1b85da9b)
a2b48846462b6d67283869add81fcf7d93175975 Waiting for diff... c811208ed8a1a8c163dec5784fc10ee234af2f63
7ce7cafc116ce3cc997f309b1f6c1002881fee55 Waiting for diff... 048fdb6c613c7e82219ca771b4d8e644a4dc87b9
6daa6b67db25bfcc9619ee8da199b9f249fed6a0 Waiting for diff... 87cd8d6fcd20227bebd4c0221848760cdc7670cc