Adaug proiectul Unity

Library/PackageCache/com.unity.shadergraph@8b7e693cdbfe/Editor/Data/Interfaces/IMayRequireNormal.cs

@@ -0,0 +1,19 @@
+using UnityEditor.Graphing;
+using UnityEditor.ShaderGraph.Internal;
+
+namespace UnityEditor.ShaderGraph
+{
+    interface IMayRequireNormal
+    {
+        NeededCoordinateSpace RequiresNormal(ShaderStageCapability stageCapability = ShaderStageCapability.All);
+    }
+
+    static class MayRequireNormalExtensions
+    {
+        public static NeededCoordinateSpace RequiresNormal(this MaterialSlot slot)
+        {
+            var mayRequireNormal = slot as IMayRequireNormal;
+            return mayRequireNormal != null ? mayRequireNormal.RequiresNormal() : NeededCoordinateSpace.None;
+        }
+    }
+}