NVIDIA GameWorks Integration

You have to rebuild your ShaderCompileWorker. Sorry about that, there is a bug in the dependency for that module, and you have to build it separately. I just committed a bunch of changes, including new ShaderCompileWorker binaries, so you shouldn’t be seeing that particular problem in the future.

I also submitted the SciFiHallway scene with VXGI, as we showed at GDC.