[mrec]

> Thankfully the shader code is in GLSL as you would expect

That's not necessarily what I'd expect, given that it's from Microsoft Research. I know they're a pretty independent bunch, but still, kudos.

[Negative1]

You've misread; Evan says that he based his calculations on a Microsoft paper. Not that he works for Microsoft or that this is Microsoft Research or anything like that.

[mrec]

Whoops, you're right, I was way off. Thanks for the correction.