I'm trying to view OpenGL content but it's not working

This article applies to the following product(s):

VNC
VNC Enterprise Edition

On Unix, if you are trying to view an OpenGL application over a VNC connection, you may see either a black window, or you may see it update once (like a screenshot), and not update again. This may be caused by the hardware OpenGL driver not implementing XDamage properly.

VNC

Try setting the "UpdateMethod" parameter in the VNC Server Options > Expert tab to 0.


VNC Enterprise Edition

Try setting the "UseDamage" parameter in the VNC Server Options > Expert tab to FALSE. This will switch the VNC Server to full-screen polling, so you may also want to tweak the "PollInterval" parameter if performance is degraded too much.



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Last Updated
10th of April, 2013

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