Impressive but also impressive in that scrolling down through the examples makes my fully-loaded M4-Max Macbook Pro judder. I hate to imaging the performance of a full UI leveraging this stuff. Apple can do it in the UI because they can optimize the hell out of it.
I planned to fix the performance issues before posting here (since I knew HN would be quick to point that out), but somebody posted it first. You’re absolutely right — it’s pretty slow right now and needs optimization.
And it’s not just the refraction/displacement map: plenty of other parts, like visualisations, aren’t optimized yet either.