Matthew Waters 09677a4d30 glimagesink: don't deadlock on resize ... Performing any GL function marshalling off the GL thread with glimagesink's render lock is prone to deadlocks between the GL thread and the non-GL thread. What can happen is this: 1. non-GL thread attempts to function marshal to the GL thread. 2. while 1 is happening, the winsys gives an event (say resize) 3. This calls back into glimagesink which taks the render lock. 4. As the GL function marshalling is attempting to run on the GL and already has glimagesink's render lock locked. This deadlocks as the threads are waiting for each other.		2017-12-09 19:32:13 +00:00
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gl	glimagesink: don't deadlock on resize	2017-12-09 19:32:13 +00:00