Try This Judder Fix For Windows

[McFaulTech]

I believe I have found the cause of judder finally. I have tested tons of demos today that previously juddered for me before. If you could suggest one for me to try then I'd like to go for it, just make sure it has a direct to rift exe included and is built for the sdk4.4

EDIT: when I started this I was under the impression that the material needed to be updated to the sdk4.4 in order to work, however after testing several I find that Some of the best experiences I've had in VR while running the 4.4 are not material that has been updated to the 4.4 - live and learn!

I believe the key is to disable Aero Snap, but leave aero running, even for windows 8. I haven't done any testing with Windows 8 or 10 yet, just 7...however Windows 8 should be the same even though most people think that Aero is absent from Windows 8. There are still bits of Aero in Windows 8 as you can read here: http://www.howtogeek.com/128819/aero-is ... still-use/

Disabling Aero Snap will also disable your ability to use the shift+win+arrow key combo- which is why this only works with Direct 2 Rift at the moment. Another side effect is that you loose that stupid jiggle feature, which could also be the cause of judder.

All this can be done by simply doing this:
1- click search in your start menu and type mouse but dont hit enter, look to the result and click "Change how your mouse works", then check the box that says "Prevent Windows from automatically being arranged when moved to the edge of the screen".

2. Put the oculus config into direct to rift mode

3. Start one of your direct to rift demo exe's

*note*- sightlines the chair is a power hog as it loads new textures everytime you move your head. For that one you need to hit F to view your framerate and once you see it hit 75 you should see the judder vanish. Actually the studdering during the loading of textures looks a little different then judder. I think it's just my slow ass hard drive (WD Green) causing that...but once the birds start flying around then everything should be smooth.

To disable snap in windows 8 just do this: http://www.forumswindows8.com/general-d ... p-2394.htm

Most of these work mirrored automatically, a few don't. When mirrored I have checked fps and the rift is running 75hz while the main display is running 60hz....the way it should be 🙂

UPDATE: Testing Steam Games today in Direct to Rift, I don't have too many but I'll do what I can 🙂 method is by seeking direct to rift exe's in steams common folder. Then a few without d2r exe's but still in direct mode.

WORKING STEAM IN DIRECT TO RIFT
InMindVR- totally flawless startup from shortcut, flawless gameplay, looks beautiful

NON STEAM FULL VERSIONS or PAID BETAS DIRECT TO RIFT ZERO JUDDER
MaxVR 1.2.1- Absolutely perfect, juddered before the fix and works flawlessly without aero snap.

Working DEMOS so far judder free in direct to rift mode:
Affected v1.55
Airdrift 0.3.1
Ambient Flight Demo
Apollo 11- low persistence seems to be off though it says on. still smooth as butter
Arachnophobia v1
Birdy Kingland
Blaze Rush demo- love it, beautiful work on the vehicles...serious artistry and flawless performance.
Close Encounters
Crystal Rift
Crystal Coaster 1.2
Dark Deception demo
Darknet Flavor Demo 2
Discovering Space
Disperison V103
Dont Let Go
Dreadhalls 1.4 dx11
dream machine
EarthVR 0.2.3- works but starts crosseyed and centers once hitting spacebar. Imagery/photo is not high res
Elevator Horror- first scene has super low fps then light turns off and perfect from there on!
Facing Death VR
flutter bombs
From Ashes- another personal fav
Geome- wow that was a trip!
Handcar Simulator
Helix sdk 0.4.2 Coaster
Hoasca VR- wow, ya might want some lsd for this one 🙂
Hollow- very low fps that some might think is judder but it's just low fps.
Immemoria x64- It's UE4 engine, persistence is off but no judder, beautiful. find the exe lol.
Jurrasic Coaster- bit of a slow coaster but perfect otherwise, great fps
Le Muse Imaginaire v1.1- very nice, perfect in every way!
Lava Inc. V1.10
Lift Experiment- low fps
motorbike
New Retro Arcade 2.0.0 -awesome
Nighttime Terror demo .20a awesome
Pixel Rift v02 windows
project jump scare
Project Pod Racing
Proton Pulse
Resistance a stealth vr demo
Rift Coaster HD- alpha 0.3- EU4 so it's an fps hog, ran medium with no judder, sometimes the words stay on the screen for me in direct mode.
Rift Fireworks
Rift Flight
Safari v-01a
Senza Peso- also known as Kite & Lightning- low fps
Spacewalk DX11
Space 1999
Spindrift v1.4
Spirited Away Boiler Room v1.4
Sprawl Leaper v0.9.4- requires leap motion
Star Wars Battle of Endor v1.4- Awesome! just give it time to load, Takes time.
Swivel Gun VR Logride Beta v2.0 64bit- Awesome, just make sure you have a good neck 🙂
The basement
The shinning experience
Technolust (only crappy when you look that the big display) smooth everywhere else.
The Basement
The Shinning Experience
The Pale Blue Dot
Titans of Space- One heck of an awesome experience, perfect in direct 2 rift mode!
vr pong (has something nasy goin on.
Tigers of Steel- low fps = bad sync but not judder
Track N Die
UE4 Roller Coaster
Vail Championships- SNOW SUCKS!
Vanguard V
VR Pong
VR KARTS demo v0.1- sweetness!
VR Spacewalk dx11 3
Welcome To Oculus 2.0
Windlands- dx11

more to come....

[McFaulTech]

"pittsburghjoe" wrote:
technolust for DK2 (free version demo) http://www.mediafire.com/download/qe1wx ... ay_Out.zip

from here http://irisvirtualreality.com/un-portfo ... hnolust-2/

Okay, technolust is a bit of a mess but of a mess because of that Big on the wall display the beginning...looking at the display on the wall seems to be trying to sync to 60 but then if you look to the right and make sure to get that display out of your vision it goes to 75fps. Looking anywhere but that big display is smooth as silk for me, but the moment that display is in the field of view everything drops to 55-60 fps. Have you bought the game??? I've had demos that performed like that but then when I bought the latest off steam they were buttery smooth...just a thought there.

the best way to keep it judder free is to run at 60hz, but you have to trick the game into allowing the option to change hz

that said, ED was always very good/judder free on my single 7970, i only upgraded because of judder in certain RES which turned out to be game engine related and not GPU restricted as i have the same fps drops in the same places regardless of GPU

That's odd, how is the persistence? I know I ran into one demo like that...not sure which though. It ran like butter but never left 60hz while every single other one has gone to 75hz. Some seem to run below 75 and suffer hugely because of it...like technolust 🙂

[McFaulTech]

damn that technolust is badass!!! Looks like everyone on steam thinks so too..hey pittsburge are you the dev? cuz I'm looking at the steam dates and they are well before the sdk 4.4 yet it works great without that display in the opening scene. adding it to my list in the first post.

[SvenViking]

Anticleric is the Technolust developer.

"McFaulTech" wrote:
Have you tried any others??? Your system should get good fps in most others. Don't forget to deisable hyperthreading, hyperthreading causes stutter in many games without the rift 🙂

I haven't tried others with the snapping feature on/off since most Unity demos do indeed run smoothly for me already (except for an occasional periodic hiccup). Presumably the judder issue this thread is about isn't something that affects me -- I just thought I'd try the fix since people use "judder" to refer to a number of different issues including framerate dips, and because I saw Beneath 2.2 in the list and it's one demo I've never been able to run properly (while I get high frame rates in Beneath 2.2 Extended mode, VSync refuses to work).

[McFaulTech]

"Svenviking" wrote:
Anticleric is the Technolust developer.

"McFaulTech" wrote:
Have you tried any others??? Your system should get good fps in most others. Don't forget to deisable hyperthreading, hyperthreading causes stutter in many games without the rift 🙂

I haven't tried others with the snapping feature on/off since most Unity demos do indeed run smoothly for me already (except for an occasional periodic hiccup). Presumably the judder issue this thread is about isn't something that affects me -- I just thought I'd try the fix since people use "judder" to refer to a number of different issues including framerate dips, and because I saw Beneath 2.2 in the list and it's one demo I've never been able to run properly (while I get high frame rates in Beneath 2.2 Extended mode, VSync refuses to work).

are you using Windows??? a fully updated version of windows? One of my suspicions is that this problem was introduced in a windows update at some point.

EDIT: for me beneath has a plethora of issues that aren't judder related...I'll make sure I have a fully updated version now, I'm using the 2.2. I do have problems exiting the demo, and I just hit Q to try that but it disabled the head tracking and botched everything up. FPS is incredibly low. I haven't checked the size but those shiny surfaces tell me that it's just a lack of optimization. Dark Deception acts the same way for me in direct 2 rift.

[McFaulTech]

BTW- Beneath is not sdk4.4 as it was posted well before the 4.4 and hasn't been updated since 🙂

[SvenViking]

I'm using a fully updated Windows 7 64bit. The Kickstarter backer version of Technolust: A Way Out that I was using was built with 0.4.4, by the way.

[McFaulTech]

"Svenviking" wrote:
I'm using a fully updated Windows 7 64bit. The Kickstarter backer version of Technolust: A Way Out that I was using was built with 0.4.4, by the way.

edited to reflect the technolust info...so many versions out there now. The oculus share version is outdated 🙂

with regards to thing running smooth for you before disabling aero snap...are you using any sort of third party multi monitor software that might have effected aero? Since you are a dev I assume you have had muliple sdk installs and uninstalls? both with unity and with rift? Maybe something left over that is helping?

[SvenViking]

"McFaulTech" wrote:

"Svenviking" wrote:
I'm using a fully updated Windows 7 64bit. The Kickstarter backer version of Technolust: A Way Out that I was using was built with 0.4.4, by the way.

edited to reflect the technolust info...so many versions out there now. The oculus share version is outdated 🙂

with regards to thing running smooth for you before disabling aero snap...are you using any sort of third party multi monitor software that might have effected aero? Since you are a dev I assume you have had muliple sdk installs and uninstalls? both with unity and with rift? Maybe something left over that is helping?

Yeah, as far as I can tell disabling or enabling Aero Snap makes no difference to me. Things seem to be working as they should either way. I don't have any third party multi-monitor software and am in fact only using one monitor. I've installed every Oculus runtime mostly without uninstalling -- I may have reverted from 0.4.3 to 0.4.2 and back once on this system, but I can't remember for certain. Many Unity installs and uninstalls.

Probably unrelated: I noticed that the beta version of Unity which first added the VR Unity splash screen caused judder in a project I was working on, and I reverted to the previous stable version. I could be wrong, but strangely enough it seemed as if it was the splash screen scene itself that caused judder in subsequent scenes. I haven't tried more recent versions yet.

[McFaulTech]

I'm thinking that maybe somewhere in the various Unity SDK's that you have delt with, there may has been knowledge on part of the Designers of Unity itself and they intentionally disabled Snap and Jiggle. They would have to if you think about it. Makes it much easier to have something like Blender open in one window and Unity in the other, so that when you arrange them you don't go through the headache of one thing getting to close to the edge and Snapping.
One time cyber made the suggestion to do the win key combo to bump the image from screen to screen...I remembered it, but it didn't work for me and never did. Because snap and jiggle piss me off (shakey hands) so I already had it disabled. Incidentally, I had aero disabled all together at that point...so that was beyond problematic for the Rift

I bet your snap or jiggle dont work whether on or off in windows 😕

[McFaulTech]

check out this wiki style job on screen tearing and vertical sync. Known causes being Aero Disabled entirely, and portrait mode VSYNC 😞
http://www.derivative.ca/wiki088/index. ... al_Tearing