[Bug 91082] Crash/Fail when calling glFenceSync

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91082

Damian Dixon <damian.dixon at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |damian.dixon at gmail.com

--- Comment #1 from Damian Dixon <damian.dixon at gmail.com> ---
Further testing has shown that this problem occurs when I have multiple OpenGL
contexts in different threads.

This approach works on Windows 7/8.1 and on Linux with AMD and NVIDIA drivers.
It also works on Windows 8.1 with the intel drivers.

This is a major limitation of the intel driver as this stops applications from
being able to upload and draw in a back-ground thread while maintaining a
responsive GUI interface.

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