From 18c3f4d712b9916fd2746ba7060593e8b01f8e87 Mon Sep 17 00:00:00 2001
From: culler <culler>
Date: Thu, 29 Apr 2021 14:40:13 +0000
Subject: Synchonize the needsDisplay for the NSView and its backing layer.

---
 macosx/tkMacOSXNotify.c      | 1 +
 macosx/tkMacOSXWindowEvent.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/macosx/tkMacOSXNotify.c b/macosx/tkMacOSXNotify.c
index 0438525..208d846 100644
--- a/macosx/tkMacOSXNotify.c
+++ b/macosx/tkMacOSXNotify.c
@@ -379,6 +379,7 @@ TkMacOSXDrawAllViews(
 		   continue;
 		}
 		[[view layer] setNeedsDisplayInRect:[view tkDirtyRect]];
+		[view setNeedsDisplay:YES];
 	    }
 	} else {
 	    [window displayIfNeeded];
diff --git a/macosx/tkMacOSXWindowEvent.c b/macosx/tkMacOSXWindowEvent.c
index fe8a983..f7a160a 100644
--- a/macosx/tkMacOSXWindowEvent.c
+++ b/macosx/tkMacOSXWindowEvent.c
@@ -954,6 +954,7 @@ ConfigureRestrictProc(
     _tkDirtyRect = NSUnionRect(_tkDirtyRect, rect);
     [NSApp setNeedsToDraw:YES];
     [self setNeedsDisplay:YES];
+    [[self layer] setNeedsDisplay];
 }
 
 - (void) clearTkDirtyRect
-- 
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