9.1 Proposal: Top five performance problems
Benjamin M. Schwartz
bmschwar at fas.harvard.edu
Fri Oct 24 17:24:16 EDT 2008
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Erik Garrison wrote:
> What about changing the kind of visual feedback we give. Instead of
> pulsing icons what about icons with a string of dots beneath, a progress
> bar, flashing, or another kind of overlay feedback which requires fewer
> visual changes (frames) and/or could be overlaid on top of existing
> icons without calculating a new animation for every icon?
We have GPU-accelerated alpha compositing on the XO, so we could do the
current animation using almost no CPU cycles. It's just a question of
figuring out how to access that compositing. As far as I'm aware, no
effort in this direction has been made. I don't know if "composite" here
requires the use of "Composite" in the window manager or not; my knowledge
of X is minimal.
- --Ben
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