How do you get MSAA working on Vive?

I’m testing it. Forward shading on, MSAACount any value (4,8,16) as 1 (nothing).

Has anyone been able to turn MSAA on the VIVE?

update: msaa count 16 resets to 1. On the 8 - far distance objects looks bad than TAA , but close ones good

MSAAx8 Vive Test MSAAx8 Vive Test - YouTube
TAA Vive Test TAA Vive Test - YouTube