Can't turn on Edge Highlighting (PPFX) - nVidia GTX 670

[sysigy]

I can't seem to turn on the new Edge Highlighting (PPFX) graphics option, it says "no hardware support" however my nVidia GTX 670 is a DX11 card with support for Shader Model 5.0.

Any ideas?

KSP: 0.90 32bit

GPU: PoV nVidia GTX 670

Driver: v337.88

CPU: Intel i7 3770

RAM: 8GB

OS: Windows 8.1 Pro (x64)

DX: 11

SOLUTION

You must have at least 2x AA enabled for the PPFX to work... I enabled 2x AA, accepted settings, went back into settings and now I can enable PPFX.

Edited December 19, 2014 by sysigy

[vexx32]

Oh, is that what it is!

I was wondering about that myself, ehehe.

[CJJackR]

Thanks for posting the solution!