On Thu, 14 Mar 2002, Jim Castleberry wrote:
> I have a Dell PC with an "NVidia Riva Ultra 64 rev 21" in it. I want it to offer
> multiple visuals so I can run old apps that only support 8-bit PseudoColor and
> still let other apps that can handle more colors have them.
>
> Everything I've found on Xfree86.org and elsewhere says it ain't possible -
> multiple visuals can't be supported without hardware overlay and only a few
> Matrox and newer NVIDIA cards have it.
The newest NVIDIA cards have TrueColor overlays, not PseudoColor.
>
> But I have another Dell PC containing an "NVIDIA RIVA TNT2 Model 64" that's running
> Windows 2k and Hummingbird Exceed, and xdpyinfo confirms that it supports 2
> visuals - 8-bit pseudocolor and 24-bit TrueColor.
>
> So what's up? Do these chips support overlay and only Hummingbird Exceed knows
> it, or is it actually possible to do multiple visuals without overlay?
They emulate it. XFree86 doesn't support PseudoColor emulation.
Mark.
_______________________________________________
Xpert mailing list
[EMAIL PROTECTED]
http://XFree86.Org/mailman/listinfo/xpert