Linked by Thom Holwerda on Thu 6th Apr 2006 15:42 UTC, submitted by Mark
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Member since:
2006-02-24
The problem is mainly with XAA and the ATI driver. If you try using standard Xorg 7.0 with the Nvidia drivers, things fly. Redraws are very quick, up to the point you don't notice them (ie. similar to Windows).
With any composed desktop (xcompmgr/xgl/aiglx), redraws will be significantly improved as the application will no longer need to be prompted to redraw when a region of the screen is uncovered. The composite manager pulls the pixmaps directly from memory.
Looking ahead, we really should be looking at moving the infrastrucutre to opengl. Xgl still relies on GLX and the underlying X server, but it's getting closer to what we want eventually (ie. Xegl)