- Integrate AlphaCutOff with MaterialGraph

- Move LitGraphUI to a specific cs file

Assets/ScriptableRenderLoop/HDRenderLoop/HDRenderLoop.cs

     ZERO_INITIALIZE(BuiltinData, builtinData);
 ${PixelShaderInitialize}
 ${PixelShaderBody}
+
+/* this clip could be integrated earlier for optimisation */
+#ifdef _ALPHATEST_ON
+    clip(builtinData.opacity - _AlphaCutoff);
+#endif
 }
 
 struct Attributes

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

 
 namespace UnityEditor
 {
-    class BaseLitGUI : ShaderGUI
+    public class BaseLitGUI : ShaderGUI
-        public enum DetailMapMode
-        {
-            DetailWithNormal,
-            DetailWithAOHeight,
-        }
+            public enum DetailMapMode
+            {
+                DetailWithNormal,
+                DetailWithAOHeight,
+            }
             public static string OptionText = "Options";
             public static string SurfaceTypeText = "Surface Type";
             public static string BlendModeText = "Blend Mode";
         private const string kAlphaCutoffEnabled = "_AlphaCutoffEnable";
         private const string kDoubleSidedMode = "_DoubleSidedMode";
         protected static string[] reservedProperties = new string[] { kSurfaceType, kBlendMode, kAlphaCutoff, kAlphaCutoffEnabled, kDoubleSidedMode };
-    }
-
-    class LitGraphUI : BaseLitGUI
-    {
-        private MaterialProperty[] genericProperties = new MaterialProperty[] { };
-        public override void FindInputProperties(MaterialProperty[] props)
-        {
-            genericProperties = props.Where(p => (p.flags & MaterialProperty.PropFlags.HideInInspector) == 0 & !reservedProperties.Contains(p.name)).ToArray();
-        }
-        protected override void ShaderInputOptionsGUI()
-        {
-            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--;
-        }
     }
 
     class LitGUI : BaseLitGUI

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

     #pragma target 5.0
     #pragma only_renderers d3d11 // TEMP: unitl we go futher in dev
     #define UNITY_MATERIAL_LIT // Need to be define before including Material.hlsl
+    #pragma shader_feature _ALPHATEST_ON
+    #pragma shader_feature _ _DOUBLESIDED_LIGHTING_FLIP _DOUBLESIDED_LIGHTING_MIRROR
 
     //-------------------------------------------------------------------------------------
     // Include
     // Set of users variables
 ${ShaderFunctions}
 ${ShaderPropertyUsages}
+
+float _AlphaCutoff;
 
     ENDHLSL
 

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

+using System;
+using System.Linq;
+
+namespace UnityEditor
+{
+    class LitGraphUI : BaseLitGUI
+    {
+        private MaterialProperty[] genericProperties = new MaterialProperty[] { };
+        public override void FindInputProperties(MaterialProperty[] props)
+        {
+            genericProperties = props.Where(p => (p.flags & MaterialProperty.PropFlags.HideInInspector) == 0 & !reservedProperties.Contains(p.name)).ToArray();
+        }
+        protected override void ShaderInputOptionsGUI()
+        {
+            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--;
+        }
+    }
+}

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

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+timeCreated: 1479806473
+licenseType: Pro
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+  defaultReferences: []
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