Re: F16 slowness

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On Tue, 13 Sep 2011 13:37:17 -0700, AW (Adam) wrote:

> Note the second-to-last comment on the bug is a request for info which
> no-one has provided so far:
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=720605#c40
> 
> "it would help if somebody tested using:
> 
>   export CLUTTER_PAINT=redraws
> 
> and verified if there are rectangles painted where nothing should be
> painted."

That's a tough one. All those extra rectangles don't make it easy to
use GNOME as they are drawn over the panel in several colours and therefore
hide buttons and menus entries, such as in
http://mschwendt.fedorapeople.org/tmp/fedora-clutter-bug-720605-2.png

but once I've started some apps to work in, it isn't so bad for testing
this for some time.

However, first I may need to return to clutter without the disable
culling fix and check whether I can still reproduce the refresh issues.

Currently, I'm at

  clutter-1.7.90-1.fc16.x86_64
  kernel-3.1.0-0.rc6.git0.0.fc16.x86_64

with NO (!) disable-culling stuff but just these extra rectangles, and
so far I cannot reproduce any issues. The red rectangles that are drawn
around the areas where I'm active (e.g. in Emacs) appear with a plausible
size.

Is the latest clutter supposed to fix/change anything related to the
previous culling issues?


"CULL FAILURE: message-tray" appears at the bottom of GNOME Shell when
visiting the Activities screen. Many extras drawn on the screen are
impossible to read.

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