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Nvidia has changed the render pipeline. Framedrops on Vive Pro 2+ RTX 4090.


Aleksandr_V
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   Hi  !   Nvidia changed the render pipeline and told no one about it. Either they will return in the drivers (most likely not), or helmet developers should adapt to them by releasing a patch. Varjo is already testing the patch successfully. But it is only for Varjo products. render pipeline - a way to render an image on the helmet screen. Nvidia has changed the order of some elements. On my Vive Pro 2 - this problem also occurs. Dear HTC support - please pay attention to this problem and eliminate the shortcoming. Playing games on the Vive Pro 2 + RTX 4090 is frustrating. Even in Beat Saber! It's a challenge! Please give us feedback! Thank you.

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Hi,

Maybe a silly question (I just received my RTX 4090 and had similar problems with my Vive Pro 2)... Have you checked the resolution per eye in Steam VR ? Mine was set automatically to more than 6000x6000 (per eye !!). Too much obviously !

I reduced it down to 3000x3000 and no problem anymore (I just tested HL Alyx and Moss...).

Laurent

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Hi ! In HL ALEX - You won't be able to notice this problem. This game automatically adjusts to the equipment in tight places. Play Beat Saber, carefully watch the flying cubes and you will see framedrops, at any resolution by eye, even 3000x3000. Turn on the performance graph in STEAMVR and you will find red and pink stripes (framedrops).

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Hi Aleksandr_V ! You are right for HL Alyx, this was a bad example. I just tested Beat Saber. Frankly, I see a pink peak from time to time (I use FPS VR) but during a game play, only 2 frame drops (and apparentely, they appear at the start or the end of the play). No stripes at all. Everything is smooth (details maxed out, 8x antialiasing and scale 1.8).

A GPU frame rate around 2ms, Ultra settings @ 90 Hz  in the console, 3400x3400 resolution per eye. Nothing wrong for me. And curiously, I did not notice any shimmering edge in my right eye tonight (but I did not play for a long time).

I use the new Nvidia Drivers (526.47).

Laurent

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  Hi Aragorn 76!   I tested BEAT SABER yesterday with the new Nvidia Drivers (526.47). Unfortunately, Framedrops still take place. Aragorn 76 - the fact is that this problem was openly announced in NVIDIA. They left a comment on the drivers that this is still an open issue: "nvidia drivers 522.25 there is an open issue with "[RTX 4090] Varjo Aero HMD displays VR stutter [3833818]". I contacted Varjo and was informed by their specialists that this issue is indeed happening (including on their Varjo helmets) and they are in correspondence with Nvidia, i.e. this is not an isolated case, but an issue that applies to all RTX 4090. For Varjo, they will release an update that almost done, but I'm worried that we don't have Varjo, but Vive Pro 2. The HTC team will not rush to update. They may not release it at all. Thank you for testing your graphics card in BEAT SABER. With a resolution of 3000x3000 - framedrops can only be seen if you look closely at the cubes that are close to you. This is similar to how a 60Hz monitor works with V-Sync turned off.

Edited by Aleksandr_V
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Hi,

I believe you but frankly, I do not see anything and I am extremely sensitive to any graphical artefacts. I can see all frame drops in FPSVR (it gives you a cumulative number of frame drops). And again, I only have 2 or 3 frame drops during play, believe me (corresponding to pink peaks from time to time). 

The same with Moss that is a much more demanding game when graphics are maxed out.  Only one framedrop at 3500x3500 for 10 minutes of game play. No reprojection.

I clearly see what you mean with v-sync turned off but again, believe me, I do not see such thing on my setup.

Regards,

Laurent

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  Thank you for your responsiveness! Please, if you don't mind - I ask you to play BEAT SABER a little longer and let us know about the results. After HMD Vive Pro 2 - I connected HMD Oculus Quest 2 Ultra settings (both Oculus environment and beat saber graphics menu). On Oculus Q2 - everything was great (no framedrops). But Q2 is connected not to the video card, but via wifi 6. Thank you Aragorn 76!

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More details about my setup: RTX 4090 Gainward Phantom, i9-12900KS with 32Gb of Kingston DDR5 RAM, MSI Ace Z690, fresh new install of Windows 11 (family), no monitoring softwares such as MSI afterburner, iCue, MSI center or ASUS/Gigabyte equivalent programs.

More information tonight...

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Hey guys,

I am facing the  same issues as described above 😞..

My system:

RTX 4090

I9 12900k

32 Gb ram 4800 Mhz DDR4

 

Since  2 weeks ( when I got my new 4090) I got perfomance issues. Wit the RTX 3090ti worked without any performance problems.

Additionaly when I set the video settings to Extreme ( 4896x 120 Hz)  I am getting (mostly) in the botton of the view kind of "watery" effects that makes me feel dizzy ( were not there with 3090 ti). 

I am using the same settings as with my 3090ti.

 

I can understand, there are many factors and parameter they can create such problems( drivers, newer windwos verson), but pls HTC corrent this 🙂

I have also tried to format my computer and tried with  windows 11 Version: 22H2 and the version before 22H2, but the problem was still there.

 

Meanwhile trying different settings to eliminate that problem and hoping for a solution.

 

Best Regards

Dimi

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