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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Very slow Xorg performace when drawing Qt5's QPainter"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89233#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Very slow Xorg performace when drawing Qt5's QPainter"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89233">bug 89233</a>
from <span class="vcard"><a class="email" href="mailto:michel@daenzer.net" title="Michel Dänzer <michel@daenzer.net>"> <span class="fn">Michel Dänzer</span></a>
</span></b>
<pre>(In reply to madcatx from <a href="show_bug.cgi?id=89233#c6">comment #6</a>)
<span class="quote">> Enabling ShadowPrimary results in some image tearing and slightly lower system
> load, I suppose that's all down to the system not waiting for a pageflip.</span >
With current Git, Option "TearFree" should eliminate tearing. The lower system
load should be Option "ShadowPrimary" working as intended. :)
<span class="quote">> I'll check that the problem is indeed fixed once Fedora 22 hits final next
> month but it's looking good so far.</span >
Sounds good, thanks.</pre>
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