Manipulating the plane mask on truecolor displays typically has little use these days: it is really a holdover hack from the days of pseudocolor.
If you want to take two images and composite them, you really want to use the Render extension these days, at least if you are using XFree86. - Jim -- Jim Gettys Cambridge Research Laboratory Compaq Computer Corporation [EMAIL PROTECTED] _______________________________________________ Xpert mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/xpert