What's happening with VRWorks support

[anonymous_user_c9c48661]

VRWorks for 4.15 is out https://github.com/NvPhysX/UnrealEngine/tree/VRWorks-Graphics-4.15

There was also one 4.15 change that didn’t make it into the changelog but is a big help for VR: alpha-to-coverage added to the forward renderer (prevents harsh aliasing on masked materials like foliage)