From 8bcbb06f8eb9f89bbe35183646a102df6711339b Mon Sep 17 00:00:00 2001
From: thefiddler <stapostol@gmail.com>
Date: Sat, 28 Dec 2013 01:08:24 +0100
Subject: [PATCH] [Platform] Added internal CreateGetAddress() function

CreateGetAddress() constructs a GraphicsContext.GetAddressDelegate that
is suitable for the current platform. This can be used when combining
OpenTK with an OpenGL context created through a third-party toolkit.
---
 Source/OpenTK/Platform/Utilities.cs | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/Source/OpenTK/Platform/Utilities.cs b/Source/OpenTK/Platform/Utilities.cs
index 4ed38158..67c92a78 100644
--- a/Source/OpenTK/Platform/Utilities.cs
+++ b/Source/OpenTK/Platform/Utilities.cs
@@ -170,6 +170,32 @@ namespace OpenTK.Platform
 
         #endregion
 
+        #region CreateGetAddress
+
+        internal static GraphicsContext.GetAddressDelegate CreateGetAddress()
+        {
+            GraphicsContext.GetAddressDelegate loader = null;
+            if (Configuration.RunningOnWindows)
+            {
+                loader = Platform.Windows.Wgl.GetProcAddress;
+            }
+            else if (Configuration.RunningOnX11)
+            {
+                loader = Platform.X11.Glx.GetProcAddress;
+            }
+            else if (Configuration.RunningOnMacOS)
+            {
+                loader = Platform.MacOS.NS.GetAddress;
+            }
+            else
+            {
+                throw new PlatformNotSupportedException();
+            }
+            return loader;
+        }
+
+        #endregion
+
         #region --- Creating a Graphics Context ---
 
         /// <summary>