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If you play the game Quake 3 Arena, which was, I think, the first game to use bezier curves in 3d rendering, so that a column or arch could dynamically adjust how many polygons are used depending on view distance, the columns are visibly not round!

Not something most people notice unless they are looking for it.

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And these days GPUs have programmable tessellation shaders so they can semi-automatically make up more geometry as needed.

I remember the Q3A Beziers were advertised as if the game rendered actual Beziers (which would in principle be possible in software but not on hardware… of the day, anyway), rather than just doing dynamic LoD approximation with your bog-standard triangles!

But the OP mentioned it EXPLICITLY matters in his use case. Telling someone their use case doesn't matter is sort of a reddit thing to do.

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