From 1e64dcd32a76e79b5ef7201a3eeedd212007966f Mon Sep 17 00:00:00 2001
From: skattyadz <adz@skatty.me>
Date: Fri, 1 Jul 2011 14:27:53 +0100
Subject: [PATCH] Fix OpenGL bad access error on display link thread

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

diff --git a/MacLight/OpenGLScreenReader.m b/MacLight/OpenGLScreenReader.m
index 8c5d046..8a2133e 100644
--- a/MacLight/OpenGLScreenReader.m
+++ b/MacLight/OpenGLScreenReader.m
@@ -81,7 +81,9 @@ - (NSColor *)readFullScreenToBuffer
 // Use this routine if you want to read only a portion of the screen pixels
 - (NSColor *)readPartialScreenToBuffer: (size_t) width bufferHeight:(size_t) height bufferBaseAddress: (void *)baseAddress
 {
-	
+    // Set our context as the current OpenGL context
+    [mGLContext makeCurrentContext];
+    
     // select front buffer as our source for pixel data
     glReadBuffer(GL_FRONT);