OpenGL errors are often due to drivers issues. We keep track of them so users can search for them. However unless someone in the development team has the hardware required to reproduce an issue we can't investigate it deeply.
Thu, Jan 16
I tested at 2.78 by following exactly the steps shown in the video. But I couldn't reproduce the problem.
This must be a driver specific problem.
Anyway, the way to get the depth buffer on 2.80 has changed a lot, so I believe this bug is no longer seen in the latest builds.
Wed, Jan 8
Thanks for your report indeed, but as Jeroen has said, we handle only bugs here. For help using Blender, please try one of the community websites: https://www.blender.org/community/
Tue, Jan 7
I vote to close this issue, as this is a bug tracker and not a support channel. Use user support channels for these kind of questions.