diff -r f10c21b0c0ef src/video/cocoa/SDL_cocoaopengl.m
--- a/src/video/cocoa/SDL_cocoaopengl.m	Tue Sep 25 08:23:57 2018 -0700
+++ b/src/video/cocoa/SDL_cocoaopengl.m	Wed Sep 26 09:28:51 2018 -0700
@@ -58,7 +58,7 @@
 - (void)updateIfNeeded
 {
     int value = SDL_AtomicSet(&self->dirty, 0);
-    if (value > 0) {
+    if (1) { //value > 0) {
         /* We call the real underlying update here, since -[SDLOpenGLContext update] just calls us. */
         [super update];
     }