On Mon, 17 Dec 2001, Jamie Zawinski wrote: > I'm not sure if this is a general problem, or something specific to my > setup, but it looks like gamma changes only ever affect screen 0, not > screen 1: when I use "xgamma" to change things on display :0.0, it > works, but on display :0.1, there is no visible effect (though xgamma > does show that display :0.1 received the values I set on it.) > > This is XFree86-4.1.0-3 on an x86 Red Hat 7.2 system, with a > Matrox MGA G450 DualHead card.
The second head of a G450 doesn't support colour lookup tables (LUTs). Gamma correction is implemented via LUTs so I'm afraid that it is not available on the second head of the G400 and G450. -- Dr. Andrew C. Aitchison Computer Officer, DPMMS, Cambridge [EMAIL PROTECTED] http://www.dpmms.cam.ac.uk/~werdna _______________________________________________ Xpert mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/xpert
