ons, 13 09 2006 kl. 15:49 -0400, skrev Kristian Høgsberg: > David Nielsen wrote: > ... > >>> Did you solve the Firefox scrolling issue with compiz on an r300 based > >>> card? Firefox becomes unusably slow over here (Radeon 9500pro) when I > >>> switch to compiz but the effects themselves work smoothly. > >>> > >>> Regards, > >>> Dennis > >>> > >> I see the same thing with the R100. Firefox scrolling is unbearable and > >> so is gnome-terminal scrolling, especially full screen. > > > > Admittedly that one is rather bad but it only happens if you scroll > > using the mouse wheel not if you grap the scrollbar - I'm thinking > > pango? > > I know everybody likes to kick pango, but this is not pango's fault. The > problem is that when we run compiz on AIGLX, we kick out all pixmaps to host > memory. This means that XCopyArea (which is what drives most scrolling) is no > longer accelerated and furthermore, for each line you scroll, we have to copy > the pixmap contents back out to the card. This is the big bottleneck in the > compiz+AIGLX architecture, we're hoping to fix it post-fc6. > > Kristian Damn you Kristian for ruining a perfectly good pango bashing with things like an informed opinion and the truth on your side.. :) but I'm glad to see that the problem is being worked on. - David -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
