[JohnCarmack]

In the center of the lenses, the circumference resolution is a bit over 5120, but definitely less than 5760. Even at 5120, it is a bit overkill (and potentially aliasing) at the edges: https://twitter.com/ID_AA_Carmack/status/975198157838499840

You are off by a factor of 2 in your pixel calculation, because 5k x 5k is for a stereo pair of spheres. Equirect projections waste a fair amount, but compared to the 300% miss to get to 60 fps stereo, it isn't dominant.

[Retric]

Ahh, good to know.

Anything you can do about someone tilting their head? That feels like the biggest remaining immersion breaker with pre-rendered stereoscopic videos.

[JohnCarmack]

Need some form of RGB+D for that. I have a player for that, and sometimes it looks fantastic, but the silhouette edge artifacts can sometimes look really bad. Considering some ways of "relaxing detail around the edges".

[rgbjoy]

Would we ever see a dynamic resolution that tracks where you are looking at and just lowers resolution outside the point of interest? Wouldn't that save a lot?

[thefreeman]

https://en.wikipedia.org/wiki/Foveated_rendering

[rgbjoy]

I thought I was smart for just 10 seconds of my life... thanks for the link

[mcculley]

In the mid-90s I worked on a system that did that to maximize image processing power, CCTT: https://www.youtube.com/watch?v=HY5M1jM5ggw

[sp332]

The article is about doing that for pre-recorded video. For live 3D VR rendering, it's already in some game engines. Batman Arkham VR uses it (it's in the settings). More info https://www.youtube.com/watch?v=gV42w573jGA