performance mode samples

[andy.engelkemier]

reducing shadows and raybounce is pretty big, but it doesn't do a ton if you have a lot of dull metal objects. The sampling still kills your speed a ton.

It would be awesome if you could globally reduce the samples by a percentage. Default would be 1.0, but you could change that to 0.1 to change from 16 samples to 1.6 (or 2.0 if rounding is necessary). But put a floor on that so you can't sample less than 1. That could cause problems.

One other option that might be nice in performance mode is to remove object reflections, so the only thing reflecting would be the environment. That still gives you a rough idea what you would lighting might do to your scene, but greatly improve speed. This would only work for non-interiors, but might be a nice option if you are just setting up scenes or animating.