From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 36596] Major 2D performance bottleneck (most noticeable with
compiz)
Date: Fri, 29 Apr 2011 22:02:21 -0700 (PDT)
Message-ID: <20110430050221.982F813004F@annarchy.freedesktop.org>
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https://bugs.freedesktop.org/show_bug.cgi?id=36596
--- Comment #7 from Jason Cassell 2011-04-29 22:02:20 PDT ---
Compiz's sync to vblank option was already off. Turning it on hung compiz, and
I had to switch to a VT and kill -9 it.
That reminds me, with the gallium drivers I have to have vblank_mode set to
something in .drirc, otherwise everything using OpenGL hangs. With the classic
drivers I didn't even need a .drirc. vblank_mode is currently set to 1.
Turning off EnablePageFlip and/or SwapbuffersWait doesn't help.
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