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brandonmousseau / vhvr-mod

Adds VR support to the PC game Valheim
GNU General Public License v3.0
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Stutters in 0.9.17 #582

Open nazarovtr opened 1 month ago

nazarovtr commented 1 month ago

It looks like there is some camera issue. Some frames are rendered with random 1-5 degree angular camera offset making the experience quite unpleasant. SteamVR performance chart is showing consistent frame time spikes of roughly 5% when these stutters happen. Simpler scenes tend to produce less stutters. It mostly happens in bases, dungeons, middle of black forest.

I am playing on AMD RX 6800. Stream to PICO 4 using Virtual Desktop. Tried to change every available VD setting. Codecs, ASW, bitrates. Nothing helped. Tried also a Quest 2 with Steam Link. Same issue. Tried installing different version of AMD drivers. Did not help.

So I am kind of convinced it is VHVR bug by now.

I played VHVR a lot before Ashlands on the same setup. I did not have this issue.

nazarovtr commented 3 weeks ago

Tested 0.9.16. Same issue. Last version I played without this issue was 0.9.15. Iron Gate have updated unity in 0.217.46 which corresponds to 0.9.16. So maybe the cause is there. I do not see this bug in the flat game though. Even the mirror window does not have this issue when I have it inside the headset.

Lordubuntu94 commented 2 weeks ago

https://github.com/user-attachments/assets/afda7fd5-52c8-4e44-a172-6129c26cbad9

The problem you are describing is similer to the one shown in this video?

If so, then we are experiencing the same thing...i have an AMD setup too, 5800x3d+7900xtx and tried almost everything you done with no success unfortunately

nazarovtr commented 2 weeks ago

Yes. Looks like the same issue. I did not have it on the main menu though, only in game. But looks the same. I also have AMD CPU. 5950X. The issue for me was actually resolved, but I do not know what exactly was the fix.

I started by updating to the latest motherboard bios. It fixed other instances of severe stuttering, but not this issue.

After that I've manually downloaded and installed latest AMD chipset drivers (with restart) and rolled back to Valheim 0.217.46 and VHVR 0.9.16.

The issue was still present.

The next day I've reapplied the memory profile in bios (bios update rolled it back).

Started 0.9.16 and the issue was not present anymore. But we could not dig the ground with pickaxes, which seems to be a known issue of 0.9.16.

In desperation I've upgraded to the latest version of the game and the mod and tried again. Everything works fine now.

So it seems that some kind of combination of BIOS update, chipset driver update, full off/on power cycle and memory frequency profile setting fixed it. There also was a big Windows update somewhere in the middle of this.

If the same kind of a ritual also helps you, let's close the bug and blame AMD. (I've regretted so many times already after buying AMD GPU, though this time it seems that the issue is with the chipset)

Lordubuntu94 commented 2 weeks ago

that's odd, i'm on the latest driver version with everything...bios,chipset and gpu..guess i'll continue to try changing things until something happen

Lordubuntu94 commented 2 weeks ago

ok just found out something, if i press the menu botton on the left controller and open the steam overlay/dashboard the game is perfectly fine and doesn't wobble. If i then left the overlay and return to the game it begins to wobble again. Could that be something related to steamvr rather than the mod or amd?

nazarovtr commented 2 weeks ago

It might be we are experiencing slightly different issues. When I opened SteamVR menu, the menu was stable, but the game was wobbling behind it.