From f2ff953ef7c284548a92833b6322dc51f444c902 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Thu, 26 Mar 2020 13:42:56 -0400
Subject: [PATCH] cocoa: Just update the OpenGL context directly if on the main
 thread.

---
 src/video/cocoa/SDL_cocoaopengl.m | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/video/cocoa/SDL_cocoaopengl.m b/src/video/cocoa/SDL_cocoaopengl.m
index 74e93ed10eba2..c4db2565b33e5 100644
--- a/src/video/cocoa/SDL_cocoaopengl.m
+++ b/src/video/cocoa/SDL_cocoaopengl.m
@@ -66,7 +66,11 @@ - (void)updateIfNeeded
     int value = SDL_AtomicSet(&self->dirty, 0);
     if (value > 0) {
         /* We call the real underlying update here, since -[SDLOpenGLContext update] just calls us. */
-        [super performSelectorOnMainThread:@selector(update) withObject:nil waitUntilDone:NO];
+        if ([NSThread isMainThread]) {
+            [super update];
+        } else {
+            [super performSelectorOnMainThread:@selector(update) withObject:nil waitUntilDone:NO];
+        }
     }
 }