> Does -switchres work on resolutions not native to windows?
All resolutions MAME can see are native to Windows.
Let's see if this thing gets clear:
The ArcadeVGA supports a bunch of 240p modes, e.g. 256x240, but no 224p modes.
A game like Chelnov which runs natively at 256x240 has no problem at all on D3D.
The problem is with games like Toki, with an original resolution of 256x224.
The "critical missing feature" in MAME-post-0.106's D3D implementation is the ability to leave those extra 16 black lines up to 240, in order to preserve the vertical resolution unstretched.
That's the reason for all the whining about DirectDraw.
Besides, MAME does support this feature in the SDL builds (option -nounevenstretch).
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