Moved utility class in CoreRP

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Lighting/LightLoop/LightLoop.cs

 
     public class LightLoop
     {
-        // We use this class to instantiate a specific component once
-        // This is required to have default HDAdditional*Data as they are MonoBehaviour.
-        static class DefaultStaticComponent<TType>
-            where TType : Component
-        {
-            static TType s_DefaultComponent = null;
-            public static TType defaultComponent
-            {
-                get
-                {
-                    return s_DefaultComponent ?? (s_DefaultComponent = new GameObject("Default " + typeof(TType))
-                    {
-                        hideFlags = HideFlags.HideAndDontSave
-                    }.AddComponent<TType>());
-                }
-            }
-        }
-
         public enum TileClusterDebug : int
         {
             None,
         static Texture2DArray s_DefaultTexture2DArray;
         static Cubemap s_DefaultTextureCube;
 
-        static HDAdditionalReflectionData defaultHDAdditionalReflectionData { get { return DefaultStaticComponent<HDAdditionalReflectionData>.defaultComponent; } }
-        static HDAdditionalLightData defaultHDAdditionalLightData { get { return DefaultStaticComponent<HDAdditionalLightData>.defaultComponent; } }
-        static HDAdditionalCameraData defaultHDAdditionalCameraData { get { return DefaultStaticComponent<HDAdditionalCameraData>.defaultComponent; } }
+        static HDAdditionalReflectionData defaultHDAdditionalReflectionData { get { return ComponentSingleton<HDAdditionalReflectionData>.instance; } }
+        static HDAdditionalLightData defaultHDAdditionalLightData { get { return ComponentSingleton<HDAdditionalLightData>.instance; } }
+        static HDAdditionalCameraData defaultHDAdditionalCameraData { get { return ComponentSingleton<HDAdditionalCameraData>.instance; } }
 
         ReflectionProbeCache m_ReflectionProbeCache;
         TextureCache2D m_CookieTexArray;

ScriptableRenderPipeline/Core/CoreRP/ComponentSingleton.cs

+namespace UnityEngine.Experimental.Rendering
+{
+    // Use this class to get a static instance of a component
+    // Mainly used to have a default instance
+    public static class ComponentSingleton<TType>
+        where TType : Component
+    {
+        static TType s_Instance = null;
+        public static TType instance
+        {
+            get
+            {
+                return s_Instance ?? (s_Instance = new GameObject("Default " + typeof(TType))
+                {
+                    hideFlags = HideFlags.HideAndDontSave
+                }.AddComponent<TType>());
+            }
+        }
+    }
+}

ScriptableRenderPipeline/Core/CoreRP/ComponentSingleton.cs.meta

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