Windows Mixed Reality SteamVR image distorts on rotate
I'm testing my VR App with a WMR device (Acer). Everything's fine except as you turn your head in VR the world distorts so for example a square upright plane looks like a shifting parallelogram in peripheral vision as you move your head.
This is the same using a fresh VR template project. Tested with 4.18.1.
Anyone else seen this or have a work-around?
It appears to be a regression in 4.18, 4.17 works.
I was having this same issue with my Samsung HMD Odyssey and was able to come up with a fix.
I created a bug report (with fix linked) here: https://answers.unrealengine.com/questions/737630/windows-mixed-reality-device-screen-distortion-ste.html Please upvote it to get this fixed ASAP!
Link to my pull request to fix the distortion issue in 4.18 here: https://github.com/EpicGames/UnrealEngine/pull/4354 If you want to build the engine from source, this will fix the issue and get it working before Epic Games fixes it.
answered Dec 19 '17 at 01:00 AM
I'm testing with the HP WMR headset and what fixed that problem for me was applying https://github.com/EpicGames/UnrealEngine/pull/4294
Additionally MS openvr implementation seems to give the VIVE resolution on IVRExtendedDisplay::GetWindowBounds, so I hardcoded it to return the correct resolution for now which made my project run correctly (as far as I can see).
That's at least as far as I got, upscaling doesn't seem to be working though.
answered Dec 13 '17 at 02:42 PM
Thanks for the info but none of these solutions really work.
They never fixed this bug and have now moved on to 4.19.
The github repos are deceased, and even before you'd have to get invited to them to be able to dl them.
Also according to jimsnomis and others, it might fix the warping but it wasnt fixed in the build and brought on other issues like no SS. That means 4.17, 4.18 and big surprise now 4.19 are all not usable for VR dev. especially for WMR.
answered Jan 22 '18 at 04:01 PM
It seems that 4.19 has fixed this problem.
answered Apr 04 '18 at 01:38 AM
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