Linked by Diego Calleja on Fri 15th Apr 2005 20:49 UTC
X11, Window Managers Some Trolltech programmers are doing some optimization work in the x.org RENDER extension. RENDER has been used with COMPOSITE to make "transparency" and "shadow" effects, and its slowness has stopped it from being widely adopted. Hopefully, this optimization work will make things better, although it's not clear in the email if this addresses the "XAA sucks, someone needs to take KAA to x.org" problem which is often said to be the real problem of render slowness. RENDER is also often used to do more things, like AA fonts, so this will be good for X desktop in general.
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Re:So (Chris)
by Lucas on Sat 16th Apr 2005 04:09 UTC

NVIDIA has Xrender acceleration, wich means that all Xrender stuff in nvidia cards can be hardware accelerated, if you enable the right option in the xorg configuration file.

So, in non-NVIDIA cards, Xrender is much slower. You just didn't noticed the slowness because of this particular reason.