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Old 12-27-06, 07:44 AM   #1
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Join Date: Dec 2006
Posts: 16
Default Performance issue in game with any Desktop Effect ?


I recently downloaded and installed the last nvidia drivers (97.46) on my Suse 10.2 distro.
I enabled the composite extension, and the 3 others things in order to enable the "Nvidia AIGLX" which is in the driver. As I have a 8800 GTX, I cant run Beryl, so I use the KDE Desktop Effect instead (Kcontrol>Desktop>windows behavior>transparency...).

The fact is, when these effects are enabled, every 3D app I launch has a severe performance hit : in glxgear, I jump from 16 000 fps to 4000 fps. In Quake 4, some scenes are almost unplayable...

I wanted to know if experimenting this issue was normal...? Thanks !
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Old 12-29-06, 10:03 AM   #2
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Join Date: Mar 2005
Posts: 2,487
Default Re: Performance issue in game with any Desktop Effect ?

Yes, using a composite manager adds extra work load for both the GPU and the CPU. A performance hit is to be expected.
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