low fps in VR for some place

Hello there. I am working on a VR project. I have some issues about FPS. I have nice computer with gtx970. Normal mode is working perfectly. But in VR mode my fps decrease.Not whole project just some place. There’s 1 post procces volume in my project and also I know one issue is foliage. But another one I dont know. Someone help me pls. Thanks.
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Im having the same issue. How the hell am I going to publish a game is I can’t keep the FPS above 90. I have 980TI and I get drops from 90 to 40 in some spots and there is nothing in the scene

Did you guys disable all the post processing? + Try using only static lighting so there are no dynamic shadows in the scene.

agree with roel. Watch this!

and btw, this isn’t a “nice setup” for VR. this is just enough vor VR.