From 67759dc02ca0827398889dd9ac23c29bea7edb55 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Tue, 1 Dec 2009 10:34:01 +0000
Subject: [PATCH] Allow mirrored displays, but only the primary display in a
 mirrored set.

---
 src/video/cocoa/SDL_cocoamodes.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/video/cocoa/SDL_cocoamodes.m b/src/video/cocoa/SDL_cocoamodes.m
index 020f891e1..51379a3c0 100644
--- a/src/video/cocoa/SDL_cocoamodes.m
+++ b/src/video/cocoa/SDL_cocoamodes.m
@@ -160,7 +160,7 @@ Cocoa_InitModes(_THIS)
         SDL_DisplayMode mode;
         CFDictionaryRef moderef;
 
-        if (CGDisplayIsInMirrorSet(displays[i])) {
+        if (CGDisplayMirrorsDisplay(displays[i]) != kCGNullDirectDisplay) {
             continue;
         }
         moderef = CGDisplayCurrentMode(displays[i]);