AIGLX on ATI Radeon Moblility 7500 does work!!

It is so amazing that after days of tweaking, I finally get my Compaq Presario 2821(2800 series) with built-in ATI Radeon Mobility 7500 3d-accelerator cooperate with AIGLX on Ubuntu Dapper 6.06LTS!

I was following the AIGLX/compiz howto on the ubuntu forum, however, I always got the error 'GLX_EXT_texture_from_pixmap is missing' when I invoking 'compiz-start', and it went no further.

Finally I re-add the commented options of video adapter, and switch from 'ati' driver to 'radeon':

• "RenderAccel" "true"
• "AGPMode" "4"
• "AGPFastWrite" "true"
• "EnablePageFlip" "True"

And then it just worked!
One more thing, it is not 'firegl' but the DRI driver! Unlike the failure of XGL on Korora 2 Live CD, which require the OpenGL support of proprietary drivers, aiglx works with free drivers!

Now it's time to add 'compiz-start' into gnome start-up sessions!
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评：AIGLX不错，特别是对glx缺乏驱动支持的7500这样的老显卡。
一直以来，ATI Radeon 7500在Linux上就处于一个尴尬地位，ATI官方的fgl驱动最低支持8500，没有我的事，而free的dri驱动对于xgl这样的高难度动作一直中听不中看：就一个摆设！现在俺不用担心别人用Vista时俺会木有面子了！

据说这几天有很多7500用户成功的打开了osx86(Hackintosh)上的QE支持，小小的xb了一把，看来俺的希望还是挺大的，毕竟QE还是（理论上）支持7500的。

现在的感觉就是：
gnome有点像Mac OS X!