From c1dcd29c71daca0db02e0158a87af54eac62b969 Mon Sep 17 00:00:00 2001
From: Camilla Berglund <elmindreda@elmindreda.org>
Date: Sun, 21 Oct 2012 21:30:13 +0200
Subject: [PATCH] Fixed potential clearing of wrong context.

---
 src/cocoa_window.m | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/cocoa_window.m b/src/cocoa_window.m
index 1ecc9655..5625d41d 100644
--- a/src/cocoa_window.m
+++ b/src/cocoa_window.m
@@ -969,7 +969,9 @@ void _glfwPlatformDestroyWindow(_GLFWwindow* window)
     [window->NSGL.pixelFormat release];
     window->NSGL.pixelFormat = nil;
 
-    [NSOpenGLContext clearCurrentContext];
+    if ([NSOpenGLContext currentContext] == window->NSGL.context)
+        [NSOpenGLContext clearCurrentContext];
+
     [window->NSGL.context release];
     window->NSGL.context = nil;