Hello,
With what I learned in Unreal VR Dev courses, I added teleport and move operations to my own project. HMD image fluctuates when I test it with VR Preview . What could cause this problem? I think it may be from the camera offset operations we do in VRRoot. GIF showing the problem.
GPU = GTX 1070Ti
CPU = i7-4770K
RAM 16GB
Unreal engine 4 or 5 - if it is 5, then your PC spec is probably the issue.
Thanks for the answer. Sorry I forgot to mention the UE version. I am using UE5. I will try to use it with rtx3080ti in 1 week. If the problem persists. I will let you know.
The 4th Gen i7 may also be a little low-spec as well. I have a 10th Gen i7 10700k which can clock to 4.66GHz when using boost and use a 3060ti which is actually more than fast enough. The CPU struggles with VR as the frame rate is 120fps quite happily with that card.
There are still a number of bugs and I would hope that UE 5.1 will address them and boost performance somewhat as 5 is slow.
I previously had a 1060ti and it was amazingly fast with UE 4.27 and VR but could barely get 30fps in 5.
One last question - when you started the project, did you create it using the VR template or a blank template - I found using the VR Template and then a blank level gives better performance so there must be some settings within it which improves VR Performance.
See here for requirements. These I would say are minimum rather than required:
Hardware and Software Specifications for Unreal Engine | Unreal Engine 5.0 Documentation
I order for a new PC for my project these are the pieces.
CPU -> Intel Core i7 12700K 5.00 Ghz 12 Çekirdek 25MB 1700p 10nm İşlemci 1
Motherboard -> MSI MB MPG Z690 EDGE WIFI DDR5 6400MHz(OC) M.2 HDMI DP ATX 1700p 1
RAM -> G.Skill Trident Z5 Rgb DDR5-6000MHZ CL40 32GB (2X16GB) Dual Ram (40-40-40-96) 1.35V (F5-6000J4040F16GX2-TZ5RK) 1
GPU -> MSI GEFORCE RTX 3080 TI VENTUS 3X 12G 12GB GDDR6X HDMI 3XDP 384BİT 1
SSD -> 1TB SAMSUNG 980 7000/5000MB/s PRO M.2 NVMe MZ-V8P1T0BW 2
Case -> HIPER HARMONY RAINBOW GAMING MID ATX KASA 1
PSU -> Corsair 1000W HX Serisi 80+ Platinum Tam Modüler Güç Kaynağı 1
CPU Cooler -> GAMEPOWER SKADI 360 RGB CPU SIVI SOGUTMA 360 MM 1
Monitor -> LG UltraWide 34WP65C-B Monitör 2
And for the last question. I created a blank C++ project as in the course then i add the VR. I’ll try your solution for pre perfomance settings. Good idea thanks.
I think the new PC should do the job…can’t be sure 
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