From 88d100acfb155d18d945d0d304a0d45458d73ddb Mon Sep 17 00:00:00 2001
From: Vladimir Vukicevic <vladimir@pobox.com>
Date: Wed, 18 Dec 2013 13:09:11 -0500
Subject: [PATCH] b=929506; call wglMakeCurrent before Init to get lookup
 working; r=bjacob

---
 gfx/gl/GLContextProviderWGL.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gfx/gl/GLContextProviderWGL.cpp b/gfx/gl/GLContextProviderWGL.cpp
index 6bcbc0b94a7e..929659fc15a8 100644
--- a/gfx/gl/GLContextProviderWGL.cpp
+++ b/gfx/gl/GLContextProviderWGL.cpp
@@ -320,6 +320,10 @@ public:
         if (!mDC || !mContext)
             return false;
 
+        // see bug 929506 comment 29. wglGetProcAddress requires a current context.
+        if (!sWGLLib[mLibType].fMakeCurrent(mDC, mContext))
+            return false;
+
         SetupLookupFunction();
         if (!InitWithPrefix("gl", true))
             return false;