jurinko Posted January 17, 2023 Posted January 17, 2023 I used to have very good performance in VR with my 5600x, RTX 3070, SSD and 32GB RAM - 100%/1.0 resolution, 2xMSAA, full shadows etc. Until back in October I reinstalled the whole Windows Media Reality/WMR for SteamVR/SteamVR and DCS performance got just awful, then 2.8 beta came on top but I was busy with Condor 2 anyway. Today I remembered how I fixed my VR performance back in April after SteamVR reinstall: before it, I backed up steamvr.vrsettings and steamapps.vrmanifest from Steam/config folder and after plugging them back, VR was smooth as before. I kept those files and now tried the same procedure and it worked like a miracle: you do a full roll above Kobuleti in Harrier free flight and not a single tree or house stutters! I compared the content of both steamvr.vrsettings files and there were some differences. Then, from curiosity I put the "bad" file back and DSC just ran smoothly as before. Thinking the second file is the culprit, I put the "bad" steamapps.vrmanifest file back as well and guess what, DCS runs awesome with the same original "bad" files. I have no explanation, but if anyone wants to try, both "good" files are attached. vrfix.zip 2 1
jurinko Posted January 18, 2023 Author Posted January 18, 2023 After much experimenting it is obvious that this hack works. Ground shadows must be off, otherwise results are inconsistent (F-14 Nevada free flight has stutters and F-5 has not), but Sturmovik now runs awesome as well (got bad at the same time after SteamVR reinstall). Who thinks he can find the issue, here is the old "good" (left) and the new "bad" (right) steamvr.vrsettings file.
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