[xcrysden] The rapid screen flickering issue on Mac OS X

[Zhu, Jian-Xin]

Dan,

I have the same horrible problem on my Mac OS X Lion machine.
Sometime David once indicated to me that tcl and/or tk could also be a
cause. 

JX



-----Original Message-----
From: "Dan Michael O. Heggø" <d.m.o.heggo at ub.uio.no>
Reply-To: XCrySDen mailing list <xcrysden at democritos.it>
Date: Fri, 20 Jan 2012 17:53:34 +0100
To: <xcrysden at democritos.it>
Subject: [xcrysden] The rapid screen flickering issue on Mac OS X

>Hi,
>
>First I'm very glad to see XCrysDen now compiles quite easily on Mac
>OS X! (at least when having a rich MacPorts installation)
>The shared and semishared packages also starts without any library
>issues on my Mac OS X Lion (10.7.2) installation.
>
>But there is an issue in every case... a quite big one... I'm
>observing the "rapid flicker" issue described earlier here:
>
>http://www.democritos.it/pipermail/xcrysden/2011-July/001006.html
>http://markmail.org/message/zfol72gfbbxnmyox
>
>Sadly this makes the program quite unusable. Are there any news on
>this one? Or ideas about what might cause it? I've updated all
>macports packages.
>Thinking perhaps this was an issue with MESA on Mac OS X Lion, I tried
>running som MESA tests, but they ran fine without any flickering.
>Also, other X11 apps run fine.
>
>And then, curiously when I tried to record my screen using
>screencapture, the flickering did not show in the recorded movie! But
>David also noted in one of the mails above that the flickering
>disappears over VNC, so I guess it's the same (strange) cause behind
>this.
>
>I use mesa @7.11.2_0
>
>otool -L xcrys returns:
>
>	/opt/local/lib/libfftw3.3.dylib (compatibility version 7.0.0, current
>version 7.0.0)
>	/opt/local/lib/libmeschach.1.dylib (compatibility version 1.2.0,
>current version 1.2.0)
>	/opt/local/lib/libtk8.5.dylib (compatibility version 8.5.0, current
>version 8.5.11)
>	/opt/local/lib/libtcl8.5.dylib (compatibility version 8.5.0, current
>version 8.5.11)
>	/opt/local/lib/libGLU.1.dylib (compatibility version 1.3.0, current
>version 1.3.0)
>	/opt/local/lib/libGL.1.dylib (compatibility version 1.2.0, current
>version 1.2.0)
>	/opt/local/lib/libXmu.6.dylib (compatibility version 9.0.0, current
>version 9.0.0)
>	/opt/local/lib/libX11.6.dylib (compatibility version 10.0.0, current
>version 10.0.0)
>	/opt/local/lib/libXext.6.dylib (compatibility version 11.0.0, current
>version 11.0.0)
>	/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
>version 159.1.0)
>
>
>Best wishes,
>Dan Michael Heggø
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