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bug#32932: 27.0.50; render bugs on macOS Mojave


From: Alan Third
Subject: bug#32932: 27.0.50; render bugs on macOS Mojave
Date: Sun, 14 Oct 2018 19:20:12 +0100
User-agent: Mutt/1.10.1 (2018-07-13)

On Sun, Oct 14, 2018 at 01:19:50AM -0700, Aaron Jensen wrote:
> On October 10, 2018 at 8:40:18 PM, Aaron Jensen
> (address@hidden(mailto:address@hidden)) wrote:
> 
> > On October 10, 2018 at 11:27:54 AM, Alan Third 
> > (address@hidden(mailto:address@hidden)) 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.

Hmm, could’ve sworn we needed that there... This could all be down to
me misunderstanding something.

*checks*

Oh dammit. Yes. Looks like that flush display is not needed at all. I
could’ve sworn it was, but perhaps some other change fixed that...

Attached is a patch with this and a couple of other small graphics
fixes (I think this breaks GNUstep as is, but I’ll look at that
later). Can you please give it a go and see if there are any problems?
-- 
Alan Third

Attachment: 0001-Fix-some-NS-drawing-issues-bug-32932.patch
Description: Text document


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