[scene] vxgi 4.12 lighting test without bake4.

[darthviper107]

@rabellogp;570649

But he said he is running at 12fps on a GTX1080. What card will deliver more performance than that for VXGI?

My guess is that he has too many dynamic shadow casting lights, because VXGI should get much much better performance than that on a GTX 1080, I get better performance than that on a 960