Plug UnlitGraphUI to UnlitTemplate

Assets/ScriptableRenderLoop/HDRenderLoop/Material/Lit/Editor/LitGraphUI.cs

 using System;
 using System.Linq;
 
-namespace UnityEditor
+namespace UnityEditor.Experimental.ScriptableRenderLoop
 {
     class LitGraphUI : BaseLitGUI
     {
         {
         }
 
-
+        protected override bool ShouldEmissionBeEnabled(Material material)
+        {
+            return true;
+        }
     }
 }

Assets/ScriptableRenderLoop/HDRenderLoop/Material/Lit/Lit.template

             ENDHLSL
         }
     }
-    CustomEditor "LitGraphUI"
+    CustomEditor "Experimental.ScriptableRenderLoop.LitGraphUI"
 }

Assets/ScriptableRenderLoop/HDRenderLoop/Material/Unlit/Editor/BaseUnlitUI.cs

         protected const string kAlphaCutoff = "_AlphaCutoff";
         protected const string kAlphaCutoffEnabled = "_AlphaCutoffEnable";
         protected const string kDoubleSidedMode = "_DoubleSidedMode";
+        protected static string[] reservedProperties = new string[] { kSurfaceType, kBlendMode, kAlphaCutoff, kAlphaCutoffEnabled, kDoubleSidedMode };
 
         protected MaterialEditor m_MaterialEditor;
 

Assets/ScriptableRenderLoop/HDRenderLoop/Material/Unlit/Unlit.template

             ENDHLSL
         }
     }
+	
+	CustomEditor "Experimental.ScriptableRenderLoop.UnlitGraphUI"
 }

Assets/ScriptableRenderLoop/HDRenderLoop/Material/Unlit/Editor/UnlitGraphUI.cs

+using UnityEngine;
+using System;
+using System.Linq;
+
+namespace UnityEditor.Experimental.ScriptableRenderLoop
+{
+    class UnlitGraphUI : BaseUnlitGUI
+    {
+        private MaterialProperty[] genericProperties = new MaterialProperty[] { };
+        protected override void FindInputProperties(MaterialProperty[] props)
+        {
+            genericProperties = props.Where(p => (p.flags & MaterialProperty.PropFlags.HideInInspector) == 0 & !reservedProperties.Contains(p.name)).ToArray();
+        }
+
+        protected override void FindInputOptionProperties(MaterialProperty[] props)
+        {
+        }
+
+        protected override void SetupInputMaterial(Material material)
+        {
+        }
+        protected override void ShaderInputGUI()
+        {
+            EditorGUI.indentLevel++;
+            foreach (var prop in genericProperties)
+            {
+                if ((prop.type & MaterialProperty.PropType.Texture) != 0)
+                {
+                    m_MaterialEditor.TexturePropertySingleLine(new GUIContent(prop.name), prop);
+                }
+                else
+                {
+                    m_MaterialEditor.ShaderProperty(prop, prop.name);
+                }
+            }
+            EditorGUI.indentLevel--;
+        }
+
+        protected override void ShaderInputOptionsGUI()
+        {
+        }
+
+        protected override bool ShouldEmissionBeEnabled(Material material)
+        {
+            return true;
+        }
+    }
+}

Assets/ScriptableRenderLoop/HDRenderLoop/Material/Unlit/Editor/UnlitGraphUI.cs.meta

+fileFormatVersion: 2
+guid: a34aea8c894f9f84b8a8743fa25f86f8
+timeCreated: 1480424484
+licenseType: Pro
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: