Thomas Dinges 49df707496 Cycles: Calculate face normal on the fly.
Instead of pre-calculation and storage, we now calculate the face normal during render.
This gives a small slowdown (~1%) but decreases memory usage, which is especially important for GPUs,
where you have limited VRAM.

Part of my GSoC 2014.
2014-06-13 21:59:13 +02:00
2013-12-24 22:57:27 +06:00
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