blog.vucica.net
GSoC 2013: Doublebuffered painting!
Thanks to a fix that Eric applied to Opal's handling of painting CGBitmapContext->CGImage on top of another CGContext, the backend now actually paints something sensible on a doublebuffered window. Hooray! Well, actually, it only paints something sensible on a menu window. And as soon as the backend has to paint an update, for some reason [...]