Howdy I’m getting black boxes in my renders. They only happen occasionally and can appear in different locations on the screen. I hit a similar problem a while back which was caused by passing in vertex normals that were NAN but I have trapped them now and don’t think that’s the cause. They don’…

I found the problem. Pilot error as usual.:) I hardcoded the hdrIntensity but any value I set had no effect. But when I stopped inputting the first normal, the corruption stopped. That made me examine my code more closely and I discovered that I was setting the “first hit normal” to the most recent…

Black box rendering errors

Gaming and Visualization Technologies Visualization OptiX

Bird33 November 28, 2023, 11:24pm 10

Yes, there must be a problem in my code. I am getting a bunch of NaNs for payload->contribution in my closest hit program .