@Simon, thanks for linux solution.

More solution the better .


It seems that DxGI is better for 4k upscaling compared to DgVoodoo. DgVoodoo starts to stutter if I use anything above 2880x1800. But DxGI works fine at 3456x2160

All the solutions here work with both vanilla and plus though. But Vanilla has only 640x400 and 320x200 widescreen resolutions which are also 16:10.


For having res like 768x480/720x450/800x450 you need JJR plus.