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OpenXR Guide - Deprecated - This time for real (▀̿Ĺ̯▀̿ ̿)


nikoel

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6 minutes ago, Hammer1-1 said:

Thats weird because I have speech recognition turned off.

I see. Sorry nothing much else I can add, however I can be as certain as one could possibly be when I say it's everything to do with the headset and windows mixed reality portal and nothing with DCS and whatever else you're running. In fact the torch doesn't even have an API and is completely inaccessible unless launched manually via WMR. I know this because I wanted the pass-through when I was still learning my winwing panel switch layout and couldn't quite get them by touch

Unless it happens again I wouldn't worry about it. You'll be chasing ghosts and rainbows 


Edited by nikoel
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6 hours ago, edmuss said:

@speed-of-heat For reference, this is Jabbah's video showing the differences between the WMR4SVR and OXR reprojection artifacts.  In other words he can now replicate it and has narrowed it down to the OXR code, all being well this should be good in the next release 🙂

If you go into the developer settings on OXRDT and tick the jiggle view rotations box, then launch DCS it should go absolutely mental, it's not meant to 😄

Excellent so I'm not going mad, just a bug.

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3 hours ago, nikoel said:

 

If you are using the EVGA Precision X1 software make sure to NOT upgrade to the 3/28 version. This is causing issues with OpenXR Toolkit. If you already installed it, you can delete the following file to solve the problem: C:\Windows\System32\FW1FontWrapper.dll.
If the EVGA software is set to auto update make sure to disable that too

 

THANK YOU!

 

I thought I was going nuts today trying to get the Toolkit to run but kept getting error messages 🤬

Deleting the dll file fixed the issue and the tool now runs without any issues 👍🏻

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1 hour ago, speed-of-heat said:

Excellent so I'm not going mad, just a bug.

Nope, I brought it to the attention of jabbah early in the week but he wasn't aware of the jelly eels because he hadn't been able to reproduce it, I think he'd only tested in the frog foot which would give a more stable image anyway. Fingers crossed 🙂

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So, I recently I did not fly DCS at all, but when I saw this thread I had to try it. 

Im running OpenBeta with TrackIR and for testing purposes Stable with VR (G2).

For me going to OpenXR the difference is massiv. Almost all of the shimmering inside the cockpit and much of the ouside has gone. And the shimmering was the worst thing, that put me off going to VR. 

Clarity is also greatly improved for me.

Performance seems to be a bit better, but not much. It seems now my GPU (AMD 6700XT) seems to get utiziled at close to 100%, while in SteamVR I often had "drops" to 20% and fps-drops to 30 or below, even I had constant 15ms GPU-frametimes, even lower CPU-frametimes and GPUMem with only filled up to 80%.

Flying felt ok, but the MR (in SteamVR-mode via WMRforSteam-settings) felt smoother (when at 45fps). I tried MR, but that hat the mentioned artifacts and fps went down also.

With my lowish settings (50% rendering but 4x MSAA) I managed to get around 50fps, often 60fps. In 60Hz-mode it was the smoothest experience in VR that I had in DCS up to now. But since the 60Hz-mode gives me a headache and nausia, this is not practical for me.

So my conclusion for this first test would be, if I had a 6900XT Id probably change to VR right away. But since I dont want to buy another GPU, especially so close to the release of the next generation (RDNA3 is supposed to more than dobule 6900XT perf), Ill still have to wait. But things regardling VR in DCS look much brigher for me right now, than they did before my OpenXR-test.  

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On 4/2/2022 at 2:13 AM, wheelie said:

I've recently started using this and am so far really impressed but found the colours completely washed out at the begining until i dug a little deaper and found the "Appearance Tab" changed Saturation from Global to Selective and changed the individual colour settings.

Here's whats working for me at the moment.

MSFS_openXR_toolkit - Performance.JPGOpenXR_Toolkit_settings - appearance.JPG

90fps in Nevada with the Harrier at 10k and 55/60 over the strip at low level.

Now i just need to get the OBS plugin to work...

@wheelieGood tip to play with Appearance tab. I used your saturation settings in a Quest2 and yes I saw a nice difference in colors (more vivid).  

I don’t use anything else from OpenXR toolkit 


Edited by diamond26

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OpenXR Toolkit just got an update to 1.05

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6 hours ago, nikoel said:

Make sure that Use VR Headset tick box is enabled inside the DCS Settings

Yes, it turned out I was an idiot who didn't check "Use VR Headset" in the VR settings (because with steamVR or oculusVR option this checkbox isn't applicable) 

Anyway, it works now, and I've added DCS app as a big screen in my WMR virtual room. I'll start to try the openxr toolkit. Thanks so much again. 

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1 hour ago, speed-of-heat said:

OpenXR Toolkit just got an update to 1.05

"Unlock Motion Reprojection when exiting."

Maybe this caused the framerate dips, when repeatedly starting and exiting DCS. I will try


Edited by winghunter

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Hi All. I've just started using OXR for Reverb G2 instead of SVR. 

I can certainly see an improvement in visual clarity and overall performance. However, even with my average FPS at around 50-60 the motion has stutters, which are jarring to say the least. I'm not keen on using the OXR Motion Reprojection in its current iteration as the artefacts it generates kind of undo the visual benefits of using OXR in the first place. Of course, without MR in SVR there are stutters, but I don't mind using MR in SVR because it causes very little in the way of artefacts, in my case anyway.

My technical understanding of how VR works is a bit limited but am I right in assuming that the stuttering is caused by timing mismatches, as the headset wants to run at either 90fps or 45fps, so anything other than that will cause a stutter to occur? If that's the case, then wouldn't limiting the FPS output to say 45fps cure the stuttering, in much the same way that VSync does with display panels? If so, is there a way of achieving this? There's no option to do this in the OXR Toolkit or OXR Developer tools, and limiting it through the Nvidia control panel has no effect.

I love what OXR has already achieved and the potential it promises, but the stuttering is kinda making me gravitate back towards SVR for now.

What's the general consensus?

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2 minutes ago, Chief Instructor said:

I love what OXR has already achieved and the potential it promises, but the stuttering is kinda making me gravitate back towards SVR for now.

What's the general consensus?

The next version is supposed to fix OXR reprojection artifacts.

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24 minutes ago, Chief Instructor said:



My technical understanding of how VR works is a bit limited but am I right in assuming that the stuttering is caused by timing mismatches, as the headset wants to run at either 90fps or 45fps, so anything other than that will cause a stutter to occur? If that's the case, then wouldn't limiting the FPS output to say 45fps cure the stuttering
 

Solves one problem, causes another.  

If you are mainly interested in high-performance TV's, you would use the term "judder" to describe a mismatch between FPS of the source material and monitor refresh rate.  Locking FPS to some multiple of refresh rate solves that problem.

If you're mainly interested in cinematography, you would use the term "judder" to refer to the stroboscopic effect that comes from panning a camera that's operating at an absurdly low FPS (usually 24fps in movies).   In DCS, locking FPS at... well, anything can result in that kind of judder, which is most obvious looking out your 3-9 line, especially at high speed, low to the ground.  You notice it at any altitude when doing a barrel roll.  

Motion reprojection gets rid of both -- it locks your FPS at some multiple of refresh rate, and uses synthetic frames to boost you up to 90hz or whatever.  Only question is, can you stand the artifacts.

Thus, three options

  • Motion reprojection
  • Fixed frame rate and live with one kind of judder (ie doing barrel rolls)
  • Floating frame rate and live with the other kind of judder (in which your HMD runs like a Harley,  basically)

You just gotta figure out which one drives you the least bonkers

The deal with OXR is, we think the interface between WMR and SVR is introducing a lot of stuttering.  Where I would define "stutter" as "dropped frames."  How well it works seems to depend; as one poster observed, may depend a lot on what GPU you're running.   

The 2080 is an interesting beast.   At least one observer suggested it doesn't handle textures very well in DCS; so in other words, if you can back off on textures a bit you may be able to unlock a lot of performance.

ETA: If you can consistently hold 60fps a) well done!  and b) might consider setting your G2 to 60Hz.  If you can stand the flickering


Edited by DeltaMike

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Any ideas why my frame rate won’t go higher than 45fps?  I’ve got it unlocked in the tool kit and MR set to off.  Been like it for a while now.  
 

Everything is running great so not massively bothered, but would be useful to see what fps I’m actually able to run for testing purposes. 

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Whats the procedure to update the OXR to the version just released today please? 

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1 minute ago, markturner1960 said:

Whats the procedure to update the OXR to the version just released today please? 

Double click

Click next a couple of times

Click Finish

(It's openXR Toolkit that was updated - Not OpenXR itself)


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16 minutes ago, pierscockey said:

Any ideas why my frame rate won’t go higher than 45fps?  I’ve got it unlocked in the tool kit and MR set to off.  Been like it for a while now.  
 

Everything is running great so not massively bothered, but would be useful to see what fps I’m actually able to run for testing purposes. 

No friggin idea, but we are the lucky ones. I lost this "feature bug" when I was trying to recreate some of the issues that people were having to come up with solutions

Today I got it back and I aint touchin' nothing! The apache is amazeballs like that

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12 minutes ago, nikoel said:

No friggin idea, but we are the lucky ones. I lost this "feature bug" when I was trying to recreate some of the issues that people were having to come up with solutions

Today I got it back and I aint touchin' nothing! The apache is amazeballs like that

Ha, yeah I should really just be satisfied and forget about it.   Hard not to tinker though! 

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3 hours ago, winghunter said:

"Unlock Motion Reprojection when exiting."

Maybe this caused the framerate dips, when repeatedly starting and exiting DCS. I will try

 

Nope, updated tools to 1.0.5. Still get performance tanks after some missions, while restarting DCS several times.

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hi, i need some help.

i follow the steps and start dcs and test in mp and wow, 55-60fps 💪

After that i restart the dcs and now it always start steam vr (i uncheck the box in WMR settings).

after that i uninstall the SteamVR and it starts only in 2d.

anyone can help? i wont 60 fps again... 🙏 

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7 minutes ago, KONGMAN said:

hi, i need some help.

i follow the steps and start dcs and test in mp and wow, 55-60fps 💪

After that i restart the dcs and now it always start steam vr (i uncheck the box in WMR settings).

after that i uninstall the SteamVR and it starts only in 2d.

anyone can help? i wont 60 fps again... 🙏 

did DCS update when you restarted it? If so you would need to copy the files into the bin folder again

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5 hours ago, speed-of-heat said:

OpenXR Toolkit just got an update to 1.05

it appears some EVGA software broke something (for those particular users in M$F$).

Via the toolkit developer:

Changes in Hotfix 4

  • Fix issue caused by EVGA software.
  • Introduce Pimax culling workaround (“WFOV Hack”) for Flight Simulator 2020.
  • Add override for each field of view angles independently.
  • Unlock Motion Reprojection when exiting.

Edited by javelina1

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32 minutes ago, Baldrick33 said:

did DCS update when you restarted it? If so you would need to copy the files into the bin folder again

i did it and now it starts dcs without steamvr but dcs turn black screen and dont get any picture in vr

 

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Make sure youhave pressed the centre button

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