When was XGL removed?

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When was XGL removed?

Postby houkouonchi » Thu Jul 24, 2008 9:21

When I installed the newest version (3.5) I noticed that XGL was removed, when was this removed and what was the last version which had XGL bundled with it?
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Re: When was XGL removed?

Postby Thev00d00 » Thu Jul 24, 2008 10:27

Do you need XGL?
The reason it was removed was because that it was slow used alot of memeory and it is outdated now as compiz etc can be run on top of either the nvidia drivers, or aiglx.
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Re: When was XGL removed?

Postby Fitzcarraldo » Thu Jul 24, 2008 11:39

It is possible to find out which was the last version of SL that included XGL by looking at the package list for each release (see the Press Releases section of the SL Forum). Anyway, it was 3.4f, which is now obsolete. If you're using an AMD ATI GPU, the newer fglrx drivers support AIGLX (I'm not even sure they would work with XGL?).

http://en.wikipedia.org/wiki/Xgl

http://en.wikipedia.org/wiki/AIGLX
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Re: When was XGL removed?

Postby houkouonchi » Thu Jul 24, 2008 18:10

Thanks for that.

I have never ran nvidia cards due to they have sucked on linux for a long time and I have been running linux for 8+ years back when their drivers were non-existent.

AIGLX's performance is far too poor for me to use so my only option is XGL which is why I asked.
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Re: When was XGL removed?

Postby Fitzcarraldo » Thu Jul 24, 2008 19:19

Can you elaborate, houkouonchi? What is the ATI GPU in your PC and how precisely is the performance poor? What behaviour do you see on screen when you are using AIGLX? Also, which versions of the packages xorg-server, xorg-x11 and ati-drivers (the fglrx driver) do you have installed on your PC?
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Re: When was XGL removed?

Postby houkouonchi » Thu Jul 24, 2008 20:28

HAHAH WOW I don't know how I did that. I think it was probably because I posted that right after I got off a 10-hour on call shift from work. That line should have read:

I have never ran ATI cards due to they have sucked on linux for a long time and I have been running linux for 8+ years back when their drivers were non-existent.

Not:

I have never ran nvidia cards due to they have sucked on linux for a long time and I have been running linux for 8+ years back when their drivers were non-existent.

I think I was thinking of writing "I have always used nvidia cards. I have never ran ATI cards, etc..." and some how the sentences got merged.

I have been hard-core NVIDIA since the geforce 256 mainly due to cards not working well on linux (I used a voodoo 3 before that which worked decently well)

As far as poor performance when running 3.5 on my machine at work on a geforce 6600 GT @ 3840x2400 I would get around 30 FPS just sitting at the desk top and 15 FPS in cube mode. If I enabled indirect rendoring that jumped up to about 50-55 FPS on the desktop and 25-30 FPS in cube mode (nothing on the desktop). Using XGL on 3.3 on the same hardware I would get 170-190 FPS on a desktop with nothing running and 90-100 FPS in cube mode.

The difference is even more noticeable when i have a lot of windows open which is why AIGLX isn't really feasible due to performance reasons.

Also simply running gkrellm when using 3.5/AIGLX X would consume 20-25% CPU usage vs the 0-1% CPU usage on XGL. In general AIGLX fealt much more laggier/slow.
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Re: When was XGL removed?

Postby Fitzcarraldo » Thu Jul 24, 2008 20:36

This is where I bow out, as I have an ATI GPU (which works quite nicely with AIGLX, BTW :wink:). Hopefully someone who uses NVIDIA will post here with some advice for you.
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