Does any 144hz monitor Work with 3D vision ?
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I have a BenQ XL2420G which is a 144 hz gsync monitor with official 3d vision support. I remember Mickey Mouse Castle of illusion threw me an error if I tried to play in 3d vision with 144 hz refresh rate enabled. When I get home i'll try it with some other games. I wanted to test out 144 hz + adaptive half rerefresh-rate + 37 frames per second cap with msi afterburner (half of the effective 72 hz refresh plus 1 to keep vsync from disengaging and to have lowest possible input latency) along with setting maximum pre rendered frames to 1 to again further input latency. I wanted to do this because a lot of games have a hard time holding 60 frames per second at ALL times with 3d vision and 36 fps > 30 fps. Oh and Hello masterotaku!! You're the one that helped me select this monitor in the first place on the blur busters forum.
I have a BenQ XL2420G which is a 144 hz gsync monitor with official 3d vision support. I remember Mickey Mouse Castle of illusion threw me an error if I tried to play in 3d vision with 144 hz refresh rate enabled.

When I get home i'll try it with some other games. I wanted to test out 144 hz + adaptive half rerefresh-rate + 37 frames per second cap with msi afterburner (half of the effective 72 hz refresh plus 1 to keep vsync from disengaging and to have lowest possible input latency) along with setting maximum pre rendered frames to 1 to again further input latency.

I wanted to do this because a lot of games have a hard time holding 60 frames per second at ALL times with 3d vision and 36 fps > 30 fps.

Oh and Hello masterotaku!! You're the one that helped me select this monitor in the first place on the blur busters forum.

#16
Posted 02/17/2017 06:24 PM   
3D Vision does not support 144 Hz
3D Vision does not support 144 Hz

#17
Posted 02/18/2017 08:43 AM   
144 Hz monitors that are certified for 3D Vision will only work at: - 100 Hz - 110 Hz - 120 Hz While in 3D Mode. You can use it at 144Hz in 2D mode. If you have a game running in 3D and go in the options, you can set it to run at 144Hz. In reality the driver will override this in 3D and will still work at 120Hz and max achievable FPS is 60. Press CTRL+T and the game will now use the 144 HZ and max achievable FPS 144. Reasoning: - Glasses can ONLY flicker 60 times per second. They aren't designed to flicker at 72 Hz - required to use 144Hz in 3D.
144 Hz monitors that are certified for 3D Vision will only work at:

- 100 Hz
- 110 Hz
- 120 Hz
While in 3D Mode.

You can use it at 144Hz in 2D mode.

If you have a game running in 3D and go in the options, you can set it to run at 144Hz. In reality the driver will override this in 3D and will still work at 120Hz and max achievable FPS is 60. Press CTRL+T and the game will now use the 144 HZ and max achievable FPS 144.

Reasoning:
- Glasses can ONLY flicker 60 times per second. They aren't designed to flicker at 72 Hz - required to use 144Hz in 3D.

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My website with my fixes and OpenGL to 3D Vision wrapper:
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#18
Posted 02/18/2017 03:16 PM   
[quote="helifax"] Reasoning: - Glasses can ONLY flicker 60 times per second. They aren't designed to flicker at 72 Hz - required to use 144Hz in 3D.[/quote] Nope. I've seen mine flicker at any number of Hz higher than 30Hz per eye (60Hz in the monitor). I've played gzdoom at 85Hz, for example, and also tried 64Hz with my previous monitor, etc. Quick example: make sure you don't force refresh rate in the stereoscopic 3D options (that checkbox). [img]http://u.cubeupload.com/masterotaku/3dset.png[/img] Open a 3D screenshot with the Nvidia viewer, and then change to 85Hz. Now your glasses are flickering at 42.5Hz. You can do the same with 144Hz.
helifax said:
Reasoning:
- Glasses can ONLY flicker 60 times per second. They aren't designed to flicker at 72 Hz - required to use 144Hz in 3D.


Nope. I've seen mine flicker at any number of Hz higher than 30Hz per eye (60Hz in the monitor). I've played gzdoom at 85Hz, for example, and also tried 64Hz with my previous monitor, etc.

Quick example: make sure you don't force refresh rate in the stereoscopic 3D options (that checkbox).
Image

Open a 3D screenshot with the Nvidia viewer, and then change to 85Hz. Now your glasses are flickering at 42.5Hz. You can do the same with 144Hz.

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#19
Posted 02/18/2017 03:52 PM   
Great! Thanks for letting me "know" it can swap the lenses to ANYTHING LOWER THAN 60 HZ ;)) like 55, 50 , 42.5! You can make them swap at even 1 HZ (if you want and know how to do it). ^_^ Problem is...can you make it work at ANYTHING ELSE THAN THE MAXIMUM MANUFACTURED SPEED OF 60 HZ? Nope you can't! As the limitation is in the hardware! We are talking about HIGHER HZ than 120 - 144 Hz in this case. You simply can't make them work! Lower, sure... just add more "latency" ;) (Oh TRUST ME! I've tried by hacking the drivers! It reports working at 144Hz (and get a nice 72 FPS lock) but the LCD lenses - in the glasses - simply can't swap that fast. As a result you get AWESOME GHOSTING and double images ^_^ )
Great!
Thanks for letting me "know" it can swap the lenses to ANYTHING LOWER THAN 60 HZ ;)) like 55, 50 , 42.5! You can make them swap at even 1 HZ (if you want and know how to do it). ^_^

Problem is...can you make it work at ANYTHING ELSE THAN THE MAXIMUM MANUFACTURED SPEED OF 60 HZ? Nope you can't! As the limitation is in the hardware! We are talking about HIGHER HZ than 120 - 144 Hz in this case. You simply can't make them work! Lower, sure... just add more "latency" ;) (Oh TRUST ME! I've tried by hacking the drivers! It reports working at 144Hz (and get a nice 72 FPS lock) but the LCD lenses - in the glasses - simply can't swap that fast. As a result you get AWESOME GHOSTING and double images ^_^ )

1x Palit RTX 2080Ti Pro Gaming OC(watercooled and overclocked to hell)
3x 3D Vision Ready Asus VG278HE monitors (5760x1080).
Intel i9 9900K (overclocked to 5.3 and watercooled ofc).
Asus Maximus XI Hero Mobo.
16 GB Team Group T-Force Dark Pro DDR4 @ 3600.
Lots of Disks:
- Raid 0 - 256GB Sandisk Extreme SSD.
- Raid 0 - WD Black - 2TB.
- SanDisk SSD PLUS 480 GB.
- Intel 760p 256GB M.2 PCIe NVMe SSD.
Creative Sound Blaster Z.
Windows 10 x64 Pro.
etc


My website with my fixes and OpenGL to 3D Vision wrapper:
http://3dsurroundgaming.com

(If you like some of the stuff that I've done and want to donate something, you can do it with PayPal at tavyhome@gmail.com)

#20
Posted 02/19/2017 02:39 AM   
[quote="Metaloholic"] You are right the brightness of the game effects the amount of flickering. Why Isn't the same monitor flickery in 60hz mode in 2d ? [/quote] Because at 60Hz the monitor behaves totally differently than at higher refresh rates. The monitor produces a much more stable image. Each frame is held longer on screen, and the dark time between the frames feels very short relative to the long picture hold. At higher refresh rates, the ratio changes : the frames are only displayed in short burst with relatively longer dark time in between. Shutter glasses make it much worse since they create a dark time for a full frame. The flicker effect is caused by your eyes being dazzled by the excess of brightness during the transition from being in the dark to seeing the picture, requiring efforts on the pupil to adjust for the brightness changes. There are two aspects to the flicker effect : - the immediate pain from being dazzled - the long term eye fatigue from your pupil's muscles work out It is affected by 2 parameters : - the longer the dark time, the more your eyes' pupils open up trying to see in the dark and get dazzled when the picture comes back up, the higher the flicker - the brighter the monitor, the more your eyes are dazzled, higher the flicker
Metaloholic said:
You are right the brightness of the game effects the amount of flickering.

Why Isn't the same monitor flickery in 60hz mode in 2d ?

Because at 60Hz the monitor behaves totally differently than at higher refresh rates.
The monitor produces a much more stable image. Each frame is held longer on screen, and the dark time between the frames feels very short relative to the long picture hold.

At higher refresh rates, the ratio changes : the frames are only displayed in short burst with relatively longer dark time in between.
Shutter glasses make it much worse since they create a dark time for a full frame.

The flicker effect is caused by your eyes being dazzled by the excess of brightness during the transition from being in the dark to seeing the picture, requiring efforts on the pupil to adjust for the brightness changes.
There are two aspects to the flicker effect :
- the immediate pain from being dazzled
- the long term eye fatigue from your pupil's muscles work out

It is affected by 2 parameters :
- the longer the dark time, the more your eyes' pupils open up trying to see in the dark and get dazzled when the picture comes back up, the higher the flicker
- the brighter the monitor, the more your eyes are dazzled, higher the flicker

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#21
Posted 02/19/2017 06:30 PM   
[quote="BlackSharkfr"][quote="Metaloholic"] You are right the brightness of the game effects the amount of flickering. Why Isn't the same monitor flickery in 60hz mode in 2d ? [/quote] Because at 60Hz the monitor behaves totally differently than at higher refresh rates. The monitor produces a much more stable image. Each frame is held longer on screen, and the dark time between the frames feels very short relative to the long picture hold. At higher refresh rates, the ratio changes : the frames are only displayed in short burst with relatively longer dark time in between. Shutter glasses make it much worse since they create a dark time for a full frame. The flicker effect is caused by your eyes being dazzled by the excess of brightness during the transition from being in the dark to seeing the picture, requiring efforts on the pupil to adjust for the brightness changes. There are two aspects to the flicker effect : - the immediate pain from being dazzled - the long term eye fatigue from your pupil's muscles work out It is affected by 2 parameters : - the longer the dark time, the more your eyes' pupils open up trying to see in the dark and get dazzled when the picture comes back up, the higher the flicker - the brighter the monitor, the more your eyes are dazzled, higher the flicker[/quote] Thanks for the info !
BlackSharkfr said:
Metaloholic said:
You are right the brightness of the game effects the amount of flickering.

Why Isn't the same monitor flickery in 60hz mode in 2d ?

Because at 60Hz the monitor behaves totally differently than at higher refresh rates.
The monitor produces a much more stable image. Each frame is held longer on screen, and the dark time between the frames feels very short relative to the long picture hold.

At higher refresh rates, the ratio changes : the frames are only displayed in short burst with relatively longer dark time in between.
Shutter glasses make it much worse since they create a dark time for a full frame.

The flicker effect is caused by your eyes being dazzled by the excess of brightness during the transition from being in the dark to seeing the picture, requiring efforts on the pupil to adjust for the brightness changes.
There are two aspects to the flicker effect :
- the immediate pain from being dazzled
- the long term eye fatigue from your pupil's muscles work out

It is affected by 2 parameters :
- the longer the dark time, the more your eyes' pupils open up trying to see in the dark and get dazzled when the picture comes back up, the higher the flicker
- the brighter the monitor, the more your eyes are dazzled, higher the flicker


Thanks for the info !

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#22
Posted 02/21/2017 09:23 PM   
If the limitation is the glasses themselves, then I do recall that a lot of modern DLP Link glasses offer 144Hz support. They will be fine with LCD panels, but they are designed to work with DLP projectors. You would need something which might convert the nVidia 3D Vision emitter to a DLP Link signal. This is assuming the DLP Emitter can actually output at 144Hz. If not, then you would have to tap into the VSync/clock line on the DVI/HDMI cable. 60fps is bare minimum for gaming. It is unfortunate that 3D Vision is capped to this. It is possible to have 120fps on 120Hz monitor in 3D Vision, but it would require a driver hack of some sort. I made a detailed thread about it years ago, and helifax inadvertently produced a working prototype. https://forums.geforce.com/default/topic/572033/?comment=3889720 120FPS 3DVision on 120Hz monitor/projector was so fluid that it left me in a state of awe; and then sadness, knowing that it would probably not progress much further :( At least in VR, we have 90FPS per eye simultaneously, instead of 60fps per eye alternatively that we are stuck with in 3D Vision.
If the limitation is the glasses themselves, then I do recall that a lot of modern DLP Link glasses offer 144Hz support. They will be fine with LCD panels, but they are designed to work with DLP projectors. You would need something which might convert the nVidia 3D Vision emitter to a DLP Link signal.

This is assuming the DLP Emitter can actually output at 144Hz.

If not, then you would have to tap into the VSync/clock line on the DVI/HDMI cable.

60fps is bare minimum for gaming. It is unfortunate that 3D Vision is capped to this.

It is possible to have 120fps on 120Hz monitor in 3D Vision, but it would require a driver hack of some sort.

I made a detailed thread about it years ago, and helifax inadvertently produced a working prototype.

https://forums.geforce.com/default/topic/572033/?comment=3889720

120FPS 3DVision on 120Hz monitor/projector was so fluid that it left me in a state of awe; and then sadness, knowing that it would probably not progress much further :(

At least in VR, we have 90FPS per eye simultaneously, instead of 60fps per eye alternatively that we are stuck with in 3D Vision.

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#23
Posted 02/21/2017 11:00 PM   
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