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Old 31st October 2009, 09:31 PM
Milena Offline
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linuxfedorafirefox
poor opengl performance with compiz

Hi

I installed Compiz 0.8.5 from Leigh's repo and it works fine but I have very poor performance in fullscreen opengl applications, for example the unigine tropics benchmark is like 15-20 fps lower than with metacity or kwin compositing. in kde with kwin i got no performance drop at all when i use compositing effects. is there anything i can tweak in compiz ? my graphic card is a nvidia gtx275 and cpu is 3ghz quad so its not a hardware problem. my other question is can i make a startup script to temporally suspend compiz when launching my apps ?

thanks in advance
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  #2  
Old 1st November 2009, 12:56 PM
leigh123linux Offline
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linuxfedorafirefox
Quote:
Originally Posted by Milena View Post
Hi

I installed Compiz 0.8.5 from Leigh's repo and it works fine but I have very poor performance in fullscreen opengl applications, for example the unigine tropics benchmark is like 15-20 fps lower than with metacity or kwin compositing. in kde with kwin i got no performance drop at all when i use compositing effects. is there anything i can tweak in compiz ? my graphic card is a nvidia gtx275 and cpu is 3ghz quad so its not a hardware problem. my other question is can i make a startup script to temporally suspend compiz when launching my apps ?

thanks in advance

Enable loose-bindings ( fusion-icon drop down menu / compiz options ) and in ccsm enable the workarounds plugin and make sure the 'force sync between X & GLX' is selected.
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  #3  
Old 1st November 2009, 03:13 PM
Milena Offline
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linuxfedorafirefox
thanks leigh the workarounds setting did the trick, the plugin wasn't enabled before
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