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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [awesomenauts][radeonsi] pageflip is clearly missing vblank with vsync on"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79850#c20">Comment # 20</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [awesomenauts][radeonsi] pageflip is clearly missing vblank with vsync on"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79850">bug 79850</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 <a href="show_bug.cgi?id=79850#c19">comment #19</a>)
<span class="quote">> Only dri2.c:934 make DRI2CanFlip return FALSE.</span >
That's while awesomenauts is running fullscreen? So can_flip() also returns
FALSE in that case, contrary to <a href="show_bug.cgi?id=79850#c7">comment #7</a>?
Apart from backing store, possible reasons I can think of for the window pixmap
not being the screen pixmap are:
* A compositing manager is running, which doesn't unredirect fullscreen
windows.
This includes things like xcompmgr -a, which doesn't involve any special
effects like shadows or translucency.
* The awesomenauts window is redirected automatically, e.g. because it uses a
visual which is incompatible with the root window visual.</pre>
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