Anti-aliasing breaks rendering when adding a second render window on Windows #200
Description
When anti-aliasing is enabled we observe rendering issues in the main render window.
As a result, the grid looks like this:
We disabled anti-aliasing on Windows for now (see PR #199).
The bug originates somewhere in Ogre and seems to occur on Windows with Intel graphics cards.
More details can be found in this post in the ogre forums:
https://forums.ogre3d.org/viewtopic.php?f=2&t=94007