Sometimes buffers degradate to black

[hybridherbst]

Not exactly sure how to title this issue correctly; while testing a few more "clean" models to learn more about how realism-effects works I ran into a strange phenomenon:

https://github.com/0beqz/realism-effects/assets/2693840/ae77cbb9-1943-44fb-83ad-7ea2b23ecedb

I encountered that a couple of times after refreshs as well, but I don't have clear reproduction steps unfortunately. The model was this one: AmbientOcclusionTest.glb.zip