Inverting a 3D LUT

Brendan Bolles

I see that v2 has the ability to invert 3D LUTs, very cool!

I also see that you can use Fast or Exact mode for rendering. I guess Fast mode samples a new inverted 3D LUT and renders from that, while Exact mode runs the inversion on each pixel? In my tests I couldn't tell the difference visually.

I don't see a place in the public API to set LutInversionQuality though…

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