Forum Discussion
[Gear VR] UE 4.12 is the worst build for mobile VR - massive performance issues out of nowhere
I hate to say it, but John Carmack was right when he recommended against using UE4 for Gear VR. While I couldn't have done what I did for my Gear VR app with Unity in the same time frame, I can never ...
eScape said:
Looks like a landscape in the video, is it a static mesh? Whatever it is you are standing on,you see a framedrop when you look down. So whatever you are standing on is probably the problem, or you have some serious overdraw
It's a static mesh. There is no overdraw when I look down. There is nothing behind the mesh (even if there are something, the mesh is an occluder and it's opaque, so anything behind it would be culled). It's pretty clear from the video that when I look down, I only see 1 mesh. When I look around, not only the mesh I stand on in the view, but in addition everything else around me is in the view.
I am also showing Profiling results, and it's all CPU stalls that cause performance drop. I don't understand why it's happening. It's most likely engine's bug.