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DSprtn / GTFO_VR_Plugin

A plugin to add full roomscale Virtual Reality support to your favorite game!
MIT License
143 stars 13 forks source link

Exclusive Fullscreen + specific resolutions in Display options improves performance. #44

Open DeceptivePastry opened 1 year ago

DeceptivePastry commented 1 year ago

Not necessarily a bug (although the resolution is some weird behavior), but putting this here to help others. Was doing some tests to see if the non-VR display options affected performance and they do. Exclusive Fullscreen runs better than any of the windowed modes. Also, certain resolutions performed better than others, but not necessarily lower ones weirdly. Going too low (640x480, 800x600) or too high reduced performance, but I actually gained a full 1.0ms frametime going from 1920x1080 to 1280x720, while 1024x768 improved it even more by another 0.1-0.2ms.

DSprtn commented 1 year ago

Exclusive fullscreen figures, there's some Windows/GPU driver magic going on there.

I think the UI resolution was bound to the menu setting, (hence better performance sometimes) but I'm not quite sure anymore. I'll do some investigation.