bug#32932: 27.0.50; render bugs on macOS Mojave

[Aaron Jensen]

On October 10, 2018 at 8:40:18 PM, Aaron Jensen
(aaronjensen@gmail.com(mailto:aaronjensen@gmail.com)) wrote:

> On October 10, 2018 at 11:27:54 AM, Alan Third 
> (alan@idiocy.org(mailto:alan@idiocy.org)) wrote:
>
> > On Tue, Oct 09, 2018 at 10:15:18AM +0300, Boris Buliga wrote:
> > > Usually, it happens during resizing. But I've seen it several times 
> > > without
> > > resizing.
> >
> > I doubt this will make any difference, but can one of you try removing
> > the called to [window display] in windowWillResize in nsterm.m
>
> I can still repro with this change made. Also, it’s not just on resizing, it 
> happens often just while using it w/ a fixed window size.

On a whim, I commented out:

  [FRAME_NS_VIEW (f) displayIfNeeded];

In ns_flush_display. I cannot reproduce the problem with that
commented out. I don’t know what ill effects it will have, but so far
it seems like things draw properly.

Aaron