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Old 06-12-2019, 12:36 PM   #1541
Secoda
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This should be published IMO. Nice work. The why this was working so well eluded me a bit.

So what if SteamVR goes away?

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Originally Posted by fearlessfrog View Post
Just like with the native resolution, WMR is also fairly confusing when it comes to the forms of reprojection it uses. Here's my findings (I'll do a copy/paste rather than offsite link, as I think that is politer here and I've already type it ) :

"If a game can reach around 55 to 60 fps the WMR with the default.vrsettings set to ‘auto’ will use something called ‘motion temporal reprojection’, which is the Microsoft clone of ‘Async Space Warp’ (ASW) on the Oculus side. It looks ahead/behind frames with GPU geometry to work out an in-between frame that’s pretty convincing. This allows the trees to appear smooth at 90 Hz in the headset, but DCS needs to reach about 60 fps.

If a game only reaches about 45 fps or less then WMR falls back to ‘asynchronous rotional reprojection’, which is what the old ‘Async Time Warp’ (ATW) used to be on Oculus, i.e. ok for moving your head around, but bad at predicting things moving outside the cockpit. When you see the cockpit moving ok but the trees to the side ‘jumping’ in WMR then it’s using reprojection but falling back to what it can do.

I didn’t realize before why it falls back to the older algorithm like that, but does explain what people see.

It’s also why DCS will just stick at 45 fps even if motion reprojection is not set to ‘auto’ in that config file or everything is left as defaults - it’s because it defaults to the old ‘asynch rotational reprojection’ by default unless the ASW equivalent is enabled or the app is reaching 90 fps.

It will be interesting if the DCS VR optimizations allow more people to get to 60 fps with more settings maxed out. In my experiments with the WMR reprojection, the ‘motion temporal reprojection’ is very good, i.e. very smooth sideways trees.

REF: https://docs.microsoft.com/en-us/win...r-steamvr-apps 2

Oh, plus should say. You can turn things on and off in the SteamVR settings stuff for the Valve ‘motion reprojection’ and all those things, then it’ll be completely ignored by the WMR headset. If you see any difference using those settings then it must be a placebo, as the reprojection steps only happen on the Microsoft driver side using its own rules/steps mentioned above I believe.

I think the resolution / super sampling percentage value is probably the only setting from SteamVR that is read, everything else is probably on the Windows WMR side of things.

It seems the best ‘tuning’ algorithm for WMR and using reprojection in DCS would be:

Go to the default.vsettings file and comment out (using //) the motion line, i.e. turn it OFF.

Test DCS with your settings. Adjust them so you get to 55 to 60 fps with the resolution / super sampling you want.

Go back to default.vrsettings and uncomment the line (remove the //) so it says “motionReprojectionMode” : “auto”, in there.

That way you’ll get smooth tree sideways and reprojection working properly. The things I didn’t realize before were:

WMR always has some form of motion reprojection on, it’s just the simpler ‘rotational’ type (where looking sideways causes judders for example) if it can’t make some headroom over 45 fps (it seems typically you need 55 to 60 fps to be safe).

The fancy ‘motion vector’ reprojection is very good, but needs to be turned on in that file. Once on then you’re only ever going to see either 45 or 90 in the fps read-out. Turning it off is useful to adjust detail settings.

WMR is like archaeology on how it works underneath. I half expect to find a stick of a certain length that’s going to refract the sun’s rays over a temple map through a jewel, so we can find out how to do nicer anti aliasing one day… "
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Last edited by Secoda; 06-12-2019 at 01:18 PM.
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Old 06-12-2019, 12:43 PM   #1542
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Well I am glad I held off buying a 2080Ti....NVidia just announced new unlocked 2080Ti SUPER. This will go well with my new Reverb :-)
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Old 06-12-2019, 12:49 PM   #1543
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Quote:
Originally Posted by Secoda View Post
I wanted folks to see that humongous cable (the Pro has a second cable for a backpack) that comes with the Reverb. The long cable maybe is half a meter longer than the Lenovo cable - plenty long. I think I could tow a car behind my F-350 with that thing. I suggest attaching it to the back of your seat somehow so that there is little weight pulling on the headset. I really like the leather face padding on the Pro. While there is no 90 degree flip-up like the Lenovo headset the earphones articulate out and the headband does rotate about 45 degrees. Once I got the hang of it the headset is easy to put on with glasses.

A couple of screenshots I took this morning just in SP below with the Reverb and my posted settings above. The second biggest thing I am noticing pushing the SS to SteamVR besides a performance and efficiency boost (CPU/GPU usage) is the lack of any shaking/stuttering/juddering (whatever the right term is for it). It's glass smooth which makes for a much more pleasant experience IMO. Please don't get rid of SteamVR.

HP is making everyone sign for the delivery in the US.






Exactly what I was looking for. Thanks for posting the graphics settings for DCS. I feel much more comfortable now trying to get the Reverb with my 1080ti. I'll most likely use your settings, thanks!
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Old 06-12-2019, 12:52 PM   #1544
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Originally Posted by drsam View Post
Well I am glad I held off buying a 2080Ti....NVidia just announced new unlocked 2080Ti SUPER. This will go well with my new Reverb :-)
Yea this one will probably be about $1800 or more lol.
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Old 06-12-2019, 01:25 PM   #1545
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I hope not. I can remember when the top cards used to be about $400 in the 90's. The indication from NVIDIA is the same or very slightly higher price than the current ones across the RTX line since they are starting to discount them. I think June 21st is the release date for the Super's. Might be a good time to pick up a 2080 or 2080 Ti on a discount if one's card is below about a 1080 Ti and looking at a Reverb.

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Originally Posted by sze5003 View Post
Yea this one will probably be about $1800 or more lol.
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Last edited by Secoda; 06-12-2019 at 01:33 PM.
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Old 06-12-2019, 01:37 PM   #1546
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Originally Posted by Secoda View Post
I hope not. I can remember when the top cards used to be about $400 in the 90's. The indication from NVIDIA is the same or very slightly higher price than the current ones across the RTX line since they are starting to discount them. I think June 21st is the release date for the Super's. Might be a good time to pick up a 2080 or 2080 Ti on a discount if one's card is below about a 1080 Ti and looking at a Reverb.
Yea I am wondering how much the price will drop for the 2080Ti's. Probably $100 only. Unless the super turns out to be more than just an unlocked chip and ends up being more like the rtx version of the titan.

Your 2080 is similar to my 1080ti so I think I will be okay with the Reverb. But if the super is really worth it and they don't screw around and release another Ti model in the next coming months, I may go for that.

Although they are announcing the super on 6/21 and it will have a delayed release anyway so if anyone wants one they will have to continue waiting. Chances that I find a Reverb in the US by 6/21 is slim.

I'd wait for the super reviews anyway. I remember I had a 2080ti ordered already but before it shipped the reviews came out and I wasn't surprised much so I cancelled it.
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Old 06-12-2019, 02:58 PM   #1547
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Help needed. The reverb is in. The drivers setup the headset, but steamvr or DCS doesn't recognize the reverb. What am i doing wrong? Thanks
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Old 06-12-2019, 03:05 PM   #1548
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Quote:
Help needed. The reverb is in. The drivers setup the headset, but steamvr or DCS doesn't recognize the reverb. What am i doing wrong? Thanks
Have you downloaded and installed "WMR for Steam VR" from the Steam store? You need that for Steam VR to recognize your Reverb.
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Old 06-12-2019, 03:07 PM   #1549
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You need to download the WMR software on steam for it work.
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Old 06-12-2019, 03:27 PM   #1550
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Got it guys. Yes i come from oculus. Did i know! Thanks. I followed this vid and BAM!

https://www.youtube.com/watch?v=VAVvchnJsPg
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