[Bug 135241] Re: [gutsy] some animations are really *slow*

[Nicolò Chieffo]

Alexander, I only had a small look at firefox code (I only did a grep
CAIRO_FORMAT_RGB32 * -r). And I don't think it is an option...

The problem is that the animation of this site was slow, as it was the
animation in Evince with pdf.
In both cases, the animation is smooth with the option
XaaNoOffscreenPixmaps of xorg.conf.
Evince developers fixed that bug, so that XaaNoOffscreenPixmaps is no
more needed to have a smooth animation, and in the changelog of the
fix they've written that they changed in the code CAIRO_FORMAT_RGB32
with CAIRO_FORMAT_RGB24 and they obtained a great speedup.

Is it possible that using the same method, the same speed can be gained!
also take a look at this bug which is another performance issue that
might be some way related to this
https://bugs.launchpad.net/firefox/+bug/125970

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[gutsy] some animations are really *slow*
https://bugs.launchpad.net/bugs/135241
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