pr-13478-33a728 vs. 2503-176 / mtl-osx-m1 / nddemo-lighting

pr-13478-33a728 (33a7283d) Diff 2503-176 (1b85da9b)
380a93ae72310f8893c656a83e063c08f205ec3e Waiting for diff... c811208ed8a1a8c163dec5784fc10ee234af2f63
e3bb1b51c2d137070fc7e945f2e730bb3b29128e Waiting for diff... 048fdb6c613c7e82219ca771b4d8e644a4dc87b9
542dc3b2f1c450a8339ead236f5dc4709c8690ae Waiting for diff... 87cd8d6fcd20227bebd4c0221848760cdc7670cc