Cached the result of GetAllAssemblyTypes per domain reload

Speeds up domain reload

Author: Chman

PostProcessing/Runtime/Utils/RuntimeUtilities.cs

@@ -502,20 +502,27 @@ public static Matrix4x4 GenerateJitteredProjectionMatrixFromOriginal(PostProcess
 
         #region Reflection
 
+        static IEnumerable<Type> m_AssemblyTypes;
+
         public static IEnumerable<Type> GetAllAssemblyTypes()
         {
-            return AppDomain.CurrentDomain.GetAssemblies()
-                .SelectMany(t =>
-                {
-                    // Ugly hack to handle mis-versioned dlls
-                    var innerTypes = new Type[0];
-                    try
+            if (m_AssemblyTypes == null)
+            {
+                m_AssemblyTypes = AppDomain.CurrentDomain.GetAssemblies()
+                    .SelectMany(t =>
                     {
-                        innerTypes = t.GetTypes();
-                    }
-                    catch {}
-                    return innerTypes;
-                });
+                        // Ugly hack to handle mis-versioned dlls
+                        var innerTypes = new Type[0];
+                        try
+                        {
+                            innerTypes = t.GetTypes();
+                        }
+                        catch { }
+                        return innerTypes;
+                    });
+            }
+
+            return m_AssemblyTypes;
         }
 
         // Quick extension method to get the first attribute of type T on a given Type