From a6eda22a6a9a5e840156d025da0512e6bac5439a Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Wed, 26 Sep 2018 20:10:32 -0400
Subject: [PATCH] cocoa: Force an OpenGL context update when the window becomes
 key.

Fixes missing rendering on macOS 10.14 ("Mojave").

Fixes Bugzilla #4272.
(transplanted from 55489adbb75c8eb7c7719a3f9c85a15d06df2f27)

--HG--
branch : SDL-ryan-batching-renderer
---
 src/video/cocoa/SDL_cocoawindow.m | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/video/cocoa/SDL_cocoawindow.m b/src/video/cocoa/SDL_cocoawindow.m
index 0cf7ec335..1785ab1ee 100644
--- a/src/video/cocoa/SDL_cocoawindow.m
+++ b/src/video/cocoa/SDL_cocoawindow.m
@@ -632,6 +632,8 @@ SetWindowStyle(SDL_Window * window, NSUInteger style)
     const unsigned int newflags = [NSEvent modifierFlags] & NSEventModifierFlagCapsLock;
     _data->videodata->modifierFlags = (_data->videodata->modifierFlags & ~NSEventModifierFlagCapsLock) | newflags;
     SDL_ToggleModState(KMOD_CAPS, newflags != 0);
+
+    ScheduleContextUpdates(_data);
 }
 
 - (void)windowDidResignKey:(NSNotification *)aNotification