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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - radeonsi with glamor has very poor performance with primitives drawing"
href="https://bugs.freedesktop.org/show_bug.cgi?id=68524#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - radeonsi with glamor has very poor performance with primitives drawing"
href="https://bugs.freedesktop.org/show_bug.cgi?id=68524">bug 68524</a>
from <span class="vcard"><a class="email" href="mailto:zhigang.gong@gmail.com" title="Zhigang Gong <zhigang.gong@gmail.com>"> <span class="fn">Zhigang Gong</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=68524#c6">comment #6</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=68524#c4">comment #4</a>)
>
> Zhigang, note that the radeon driver passes GLAMOR_USE_SCREEN and
> GLAMOR_USE_PICTURE_SCREEN to glamor_init(), so software rendering fallbacks
> are handled entirely within glamor, which incurs a lot of overhead in some
> cases such as the gtkperf Lines test.</span >
Got it. The fallback path in glamor is extremely slow currently.</pre>
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