First post, by eddman
Does slowdowns in Duke 3D (specifically with mirrors) happen with all VBE 2.0+ cards?
I've been testing it in 86box and VBE 1.2 cards perform just fine, yet it seems all 2.0+ cards suffer from major fps drops. Applying MSKVBEF7 fixes the problem.
Can anyone with real older cards (like Voodoo 3, Virge (VBE 2.0 bios), etc.) confirm this behavior? Test at least at 640x480 and enable the in-game fps counter by typing DNRATE. Make saves to be able to test the exact spot.
Here are examples from a VBE 2.0 Virge/DX in 86box:
Roof goes from 60 to 68, and mirror goes from 27 to 68 (2.5 times faster!).
With a Voodoo 3 PCI, it goes from 38 roof/17 mirror to about 76.