[NSOpenGLContext update[ is prohibited outside the main thread
diff --git a/src/video/cocoa/SDL_cocoaopengl.m b/src/video/cocoa/SDL_cocoaopengl.m
index 75a63df..74e93ed 100644
--- a/src/video/cocoa/SDL_cocoaopengl.m
+++ b/src/video/cocoa/SDL_cocoaopengl.m
@@ -66,7 +66,7 @@
int value = SDL_AtomicSet(&self->dirty, 0);
if (value > 0) {
/* We call the real underlying update here, since -[SDLOpenGLContext update] just calls us. */
- [super update];
+ [super performSelectorOnMainThread:@selector(update) withObject:nil waitUntilDone:NO];
}
}