From 8249b75f42f03f008eeb43a9b58d82123cecb3f2 Mon Sep 17 00:00:00 2001
From: the_fiddler <the_fiddler@ebc5dd9b-fb1d-0410-b6f8-d24c324e9604>
Date: Tue, 25 Nov 2008 16:44:52 +0000
Subject: [PATCH] Added IEquatable interface to allow use as key in
 dictionaries.

---
 Source/Utilities/Graphics/Texture2D.cs | 28 +++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/Source/Utilities/Graphics/Texture2D.cs b/Source/Utilities/Graphics/Texture2D.cs
index 6ab7cbc1..6e487425 100644
--- a/Source/Utilities/Graphics/Texture2D.cs
+++ b/Source/Utilities/Graphics/Texture2D.cs
@@ -33,7 +33,7 @@ using System.Drawing.Imaging;
 
 namespace OpenTK.Graphics
 {
-    abstract class Texture2D :  IGraphicsResource
+    abstract class Texture2D :  IGraphicsResource, IEquatable<Texture2D>
     {
         #region Fields
 
@@ -165,6 +165,23 @@ namespace OpenTK.Graphics
 
         #endregion
 
+        #region Equals
+
+        public override bool Equals(object obj)
+        {
+            if (obj is Texture2D)
+                return this.Equals((Texture2D)obj);
+
+            return false;
+        }
+
+        #endregion
+
+        //public override int GetHashCode()
+        //{
+        //    return (this as IGraphicsResource).Id;
+        //}
+
         #endregion
 
         #region Protected Members
@@ -227,6 +244,15 @@ namespace OpenTK.Graphics
 
         #endregion
 
+        #region IEquatable<Texture2D> Members
+
+        public bool Equals(Texture2D other)
+        {
+            return (this as IGraphicsResource).Id == (other as IGraphicsResource).Id;
+        }
+
+        #endregion
+
         #region IDisposable Members
 
         public void Dispose()