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I'm not getting what's so special about this exactly, is it just some kind of new, more efficient/accurate way to cull unseen/obstructed geometry? All of the references in the video to Ready Player One and Stadia etc. don't really seem directly connected to geometry culling any more so than any game would be.

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You have made the standard comment that tells me I need a better video explanation. The primary goal is to decide what geometry to send right now, which is a different question than, "What optimization techniques can I use to cull geometry to speed up drawing a frame?"

Plenty of games already delivery content over the internet--think Minecraft--but they're loading entire areas in bulk. I'm trying to sent only what is visible right now, just-in-time.

I'm going to develop an Android client for the same scene next. I hope that will make the use case more obvious.

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