From 1073c8ccac4c179c47d4dac7dc8f8bb7e92c8033 Mon Sep 17 00:00:00 2001
From: the_fiddler <the_fiddler@ebc5dd9b-fb1d-0410-b6f8-d24c324e9604>
Date: Mon, 2 Nov 2009 13:25:41 +0000
Subject: [PATCH] * Matrix4d.cs: M44 should be 1.0 to conform with GL.Ortho().
 Fixes issue [#1307]: "GL.Ortho behaves other than combination of
 OpenTK.Matrix4d.CreateOrthographic and GL.MultMatrix".

---
 Source/OpenTK/Math/Matrix4d.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Source/OpenTK/Math/Matrix4d.cs b/Source/OpenTK/Math/Matrix4d.cs
index 367a7b00..95a7408f 100644
--- a/Source/OpenTK/Math/Matrix4d.cs
+++ b/Source/OpenTK/Math/Matrix4d.cs
@@ -513,6 +513,7 @@ namespace OpenTK
             result.M41 = -(right + left) * invRL;
             result.M42 = -(top + bottom) * invTB;
             result.M43 = -(zFar + zNear) * invFN;
+            result.M44 = 1;
         }
 
         /// <summary>