Comment 58 for bug 363238
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#58 |
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0e1f616
(Get the code!)
(In reply to comment #13)
> Created an attachment (id=25890) [details]
> use XAA in low memory situations or when the DRI is disabled
I don't think 32MB is too little. At least I think the ideal solution would be to set FBTexPercent to 0 with let's say less than 64MB. I set it with my Mobility 9000 (32MB) and EXA seems pretty fast for me (opposed to what is was before setting FBTexPercent).
So if you know how to check it / do it, I'd propose FBTexPercent 0 for <65535 and XAA for <32768 (not <=).
I additionally tested setting DepthBits to 16 which halves the memory usage for that buffer, but didn't notice any specific improvement in this case besides Xorg.0.log stating more memory could be used for EXA. It does generate issues in some 3D stuff but eg. compiz works fine.