Add proper IOSurface double buffering #4
Description
At the moment we reuse the same IOSurface and just call setContentsChanged, which can lead to partial frames on the screen. We should use two IOSurfaces and swap between them.
{{ message }}
At the moment we reuse the same IOSurface and just call setContentsChanged, which can lead to partial frames on the screen. We should use two IOSurfaces and swap between them.