Transitional shader for system shock material upgrade

ScriptableRenderPipeline/Core/Editor/MaterialUpgrader.cs

 using System.Collections.Generic;
 using UnityEngine;
 using System;
+using UnityEditor.Experimental.Rendering.HDPipeline;
+
 
 namespace UnityEditor.Experimental.Rendering
 {
             LogMessageWhenNoUpgraderFound = 4
         }
 
+/* Testing version creates a new material without deleting an old one
+        public void Upgrade(Material material, UpgradeFlags flags)
+        {
+            Material newMaterial;
+            if ((flags & UpgradeFlags.CleanupNonUpgradedProperties) != 0)
+            {
+                newMaterial = new Material(Shader.Find(m_NewShader));
+            }
+            else
+            {
+                newMaterial = UnityEngine.Object.Instantiate(material) as Material;
+                newMaterial.shader = Shader.Find(m_NewShader);
+            }
+
+            Convert(material, newMaterial);
+            AssetDatabase.CreateAsset(newMaterial, string.Format("Assets/Materials/{0}.mat", newMaterial.name));
+
+            if (m_Finalizer != null)
+                m_Finalizer(newMaterial);
+        }
+        */
+
         public void Upgrade(Material material, UpgradeFlags flags)
         {
             Material newMaterial;
             if (m_Finalizer != null)
                 m_Finalizer(material);
         }
+
 
         // Overridable function to implement custom material upgrading functionality
         public virtual void Convert(Material srcMaterial, Material dstMaterial)
                 dstMaterial.SetColor(prop.Key, prop.Value);
             foreach (var t in m_KeywordFloatRename)
                 dstMaterial.SetFloat(t.property, srcMaterial.IsKeywordEnabled(t.keyword) ? t.setVal : t.unsetVal);
+
+            if (srcMaterial.GetTexture("_MetallicGlossMap") != null)
+            {
+                dstMaterial.SetFloat("_Metallic", 1.0f);
+            }
+
+            if (srcMaterial.GetTexture("_ParallaxMap") != null)
+            {
+                dstMaterial.SetFloat("_DisplacementMode", 2.0f);
+                dstMaterial.SetFloat("_DisplacementLockObjectScale", 0.0f);
+                dstMaterial.SetFloat("_DepthOffsetEnable", 1.0f);
+            }
+            dstMaterial.SetFloat("_EmissiveIntensity", 3.141f); // same as lights
         }
 
         public void RenameShader(string oldName, string newName, MaterialFinalizer finalizer = null)
             UnityEditor.EditorUtility.ClearProgressBar();
         }
 
+        public static void UpgradeProjectFolder_SS(List<MaterialUpgrader> upgraders, string progressBarName, UpgradeFlags flags = UpgradeFlags.None)
+        {
+            if (!EditorUtility.DisplayDialog("Material Upgrader", "The upgrade will overwrite material settings in your project." +
+                                                                  "Be sure to have a project backup before proceeding", "Proceed", "Cancel"))
+                return;
+
+            int totalMaterialCount = 0;
+            foreach (string s in UnityEditor.AssetDatabase.GetAllAssetPaths())
+            {
+                if (IsMaterialPath(s))
+                    totalMaterialCount++;
+            }
+
+            int materialIndex = 0;
+            foreach (string path in UnityEditor.AssetDatabase.GetAllAssetPaths())
+            {
+                if (IsMaterialPath(path))
+                {
+                    materialIndex++;
+                    if (UnityEditor.EditorUtility.DisplayCancelableProgressBar(progressBarName, string.Format("({0} of {1}) {2}", materialIndex, totalMaterialCount, path), (float)materialIndex / (float)totalMaterialCount))
+                        break;
+
+                    Material m = UnityEditor.AssetDatabase.LoadMainAssetAtPath(path) as Material;
+                    Upgrade_SS(m, upgraders, flags);
+
+                    //SaveAssetsAndFreeMemory();
+                }
+            }
+
+            UnityEditor.EditorUtility.ClearProgressBar();
+        }
+
+        public static void Upgrade_SS(Material material, List<MaterialUpgrader> upgraders, UpgradeFlags flags)
+        {
+        }
+
+
         public static void Upgrade(Material material, MaterialUpgrader upgrader, UpgradeFlags flags)
         {
             var upgraders = new List<MaterialUpgrader>();
             else if ((flags & UpgradeFlags.LogMessageWhenNoUpgraderFound) == UpgradeFlags.LogMessageWhenNoUpgraderFound)
                 Debug.Log(string.Format("There's no upgrader to convert {0} shader to selected pipeline", material.shader.name));
         }
+
+
+        public static void UpgradeSelection_SS(List<MaterialUpgrader> upgraders, string progressBarName, UpgradeFlags flags = UpgradeFlags.None)
+        {
+            var selection = Selection.objects;
+            if (!EditorUtility.DisplayDialog("Material Upgrader", string.Format("The upgrade will possibly overwrite all the {0} selected material settings", selection.Length) +
+                                                                  "Be sure to have a project backup before proceeding", "Proceed", "Cancel"))
+                return;
+
+            string lastMaterialName = "";
+            for (int i = 0; i < selection.Length; i++)
+            {
+                if (UnityEditor.EditorUtility.DisplayCancelableProgressBar(progressBarName, string.Format("({0} of {1}) {2}", i, selection.Length, lastMaterialName), (float)i / (float)selection.Length))
+                    break;
+
+                var material = selection[i] as Material;
+                Upgrade(material, upgraders, flags);
+                if (material != null)
+                    lastMaterialName = material.name;
+            }
+
+            UnityEditor.EditorUtility.ClearProgressBar();
+        }
+
 
         public static void UpgradeSelection(List<MaterialUpgrader> upgraders, string progressBarName, UpgradeFlags flags = UpgradeFlags.None)
         {

ScriptableRenderPipeline/HDRenderPipeline/Editor/UpgradeStandardShaderMaterials.cs

             return upgraders;
         }
 
+
+        static List<MaterialUpgrader> GetHDUpgraders_SS()
+        {
+            var upgraders = new List<MaterialUpgrader>();
+            upgraders.Add(new StandardToHDLitMaterialUpgrader_SS("Standard", "HDRenderPipeline/LitTransitional", LitGUI.SetupMaterialKeywordsAndPass));           
+            return upgraders;
+        }
+
+/*
+        [MenuItem("RenderPipeline/HDRenderPipeline/Material Upgraders/Upgrade Standard Materials to Lit Materials (SS) - Project Folder", false, 4)]
+        static void UpgradeMaterialsProject_SS()
+        {
+            MaterialUpgrader.UpgradeProjectFolder_SS(GetHDUpgraders(), "Upgrade to HD Material");
+        }
+*/
+
+        [MenuItem("RenderPipeline/HDRenderPipeline/Material Upgraders/Upgrade Standard Materials to Lit Materials (SS) - Selection", false, 2)]
+        static void UpgradeMaterialsSelection_SS()
+        {
+            MaterialUpgrader.UpgradeSelection_SS(GetHDUpgraders_SS(), "Upgrade to HD Material");
+        }
+
+
         [MenuItem("RenderPipeline/HDRenderPipeline/Material Upgraders/Upgrade Standard Materials to Lit Materials - Project Folder", false, 1)]
         static void UpgradeMaterialsProject()
         {

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Editor/LitTransitionalUI.cs

+using System;
+using UnityEngine;
+using UnityEngine.Experimental.Rendering;
+using UnityEngine.Experimental.Rendering.HDPipeline;
+
+
+namespace UnityEditor.Experimental.Rendering.HDPipeline
+{
+    class LitTransitionalGUI : LitGUI
+    {
+        protected MaterialProperty occlusionMap = new MaterialProperty();
+        protected const string kOcclusionMap = "_OcclusionMap";
+
+        protected static class Styles
+        {
+            public static GUIContent occlusionMapText = new GUIContent("Occlusion Map", "Occlusion Map");
+        }
+
+        protected override void MaterialPropertiesGUI(Material material)
+        {
+            base.MaterialPropertiesGUI(material);
+            m_MaterialEditor.TexturePropertySingleLine(Styles.occlusionMapText, occlusionMap);
+        }
+
+        protected override void FindMaterialProperties(MaterialProperty[] props)
+        {
+            base.FindMaterialProperties(props);
+            occlusionMap = FindProperty(string.Format("{0}{1}", kOcclusionMap, ""), props);
+        }
+
+        protected override void SetupMaterialKeywordsAndPassInternal(Material material)
+        {
+            base.SetupMaterialKeywordsAndPassInternal(material);
+            SetKeyword(material, "_OCCLUSIONMAP", material.GetTexture(kOcclusionMap));
+        }
+    }
+}

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Editor/StandardToHDLitMaterialUpgrader_SS.cs

+using NUnit.Framework;
+using UnityEngine;
+
+namespace UnityEditor.Experimental.Rendering.HDPipeline
+{
+    public class StandardToHDLitMaterialUpgrader_SS : MaterialUpgrader
+    {
+       
+        public StandardToHDLitMaterialUpgrader_SS() : this("Standard", "HDRenderPipeline/LitTransitional", LitGUI.SetupMaterialKeywordsAndPass) { }
+
+        public StandardToHDLitMaterialUpgrader_SS(string sourceShaderName, string destShaderName, MaterialFinalizer finalizer)
+        {
+            RenameShader(sourceShaderName, destShaderName, finalizer);
+
+            RenameTexture("_MainTex", "_BaseColorMap");
+            RenameColor("_Color", "_BaseColor");
+            RenameFloat("_Glossiness", "_Smoothness");
+            RenameTexture("_BumpMap", "_NormalMap");
+            RenameFloat("_BumpScale", "_NormalScale");
+            RenameTexture("_EmissionMap", "_EmissiveColorMap");
+            RenameColor("_EmissionColor", "_EmissiveColor");
+            RenameFloat("_DetailNormalMapScale", "_DetailNormalScale");
+            RenameFloat("_Cutoff", "_AlphaCutoff");
+            RenameKeywordToFloat("_ALPHATEST_ON", "_AlphaCutoffEnable", 1f, 0f);
+            RenameTexture("_MetallicGlossMap", "_MaskMap");
+            RenameTexture("_ParallaxMap", "_HeightMap");
+
+            // the HD renderloop packs detail albedo and detail normals into a single texture.
+            // mapping the detail normal map, if any, to the detail map, should do the right thing if
+            // there is no detail albedo.
+            RenameTexture("_DetailNormalMap", "_DetailMap");
+
+            // Metallic uses [Gamma] attribute in standard shader but not in Lit.
+            // @Seb: Should we convert?
+            RenameFloat("_Metallic", "_Metallic");
+
+            //@TODO: Seb. Why do we multiply color by intensity
+            //       in shader when we can just store a color?
+            // builtinData.emissiveColor * builtinData.emissiveIntensity
+        }
+
+        public override void Convert(Material srcMaterial, Material dstMaterial)
+        {
+            base.Convert(srcMaterial, dstMaterial);
+            //@TODO: Find a good way of setting up keywords etc from properties.
+            // Code should be shared with material UI code.
+        }
+
+        [Test]
+        public void UpgradeMaterial()
+        {
+            var newShader = Shader.Find("HDRenderPipeline/Lit");
+            var mat = new Material(Shader.Find("Standard"));
+            var albedo = new Texture2D(1, 1);
+            var normals = new Texture2D(1, 1);
+            var baseScale = new Vector2(1, 1);
+            var color = Color.red;
+            mat.mainTexture = albedo;
+            mat.SetTexture("_BumpMap", normals);
+            mat.color = color;
+            mat.SetTextureScale("_MainTex", baseScale);
+
+            MaterialUpgrader.Upgrade(mat, this, MaterialUpgrader.UpgradeFlags.CleanupNonUpgradedProperties);
+
+            Assert.AreEqual(newShader, mat.shader);
+            Assert.AreEqual(albedo, mat.GetTexture("_BaseColorMap"));
+            Assert.AreEqual(color, mat.GetColor("_BaseColor"));
+            Assert.AreEqual(baseScale, mat.GetTextureScale("_BaseColorMap"));
+            Assert.AreEqual(normals, mat.GetTexture("_NormalMap"));
+            Assert.IsTrue(mat.IsKeywordEnabled("_NORMALMAP"));
+        }
+    }
+}

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/LitTransitonal.shader

+Shader "HDRenderPipeline/LitTransitional"
+{
+    Properties
+    {
+        // Following set of parameters represent the parameters node inside the MaterialGraph.
+        // They are use to fill a SurfaceData. With a MaterialGraph this should not exist.
+
+        // Reminder. Color here are in linear but the UI (color picker) do the conversion sRGB to linear
+        _BaseColor("BaseColor", Color) = (1,1,1,1)
+        _BaseColorMap("BaseColorMap", 2D) = "white" {}
+
+        _Metallic("_Metallic", Range(0.0, 1.0)) = 0
+        _Smoothness("Smoothness", Range(0.0, 1.0)) = 1.0
+        _MaskMap("MaskMap", 2D) = "white" {}
+		_OcclusionMap("Occlusion", 2D) = "white" {}
+        _SmoothnessRemapMin("SmoothnessRemapMin", Float) = 0.0
+        _SmoothnessRemapMax("SmoothnessRemapMax", Float) = 1.0
+
+        _NormalMap("NormalMap", 2D) = "bump" {}     // Tangent space normal map
+        _NormalMapOS("NormalMapOS", 2D) = "white" {} // Object space normal map - no good default value
+        _NormalScale("_NormalScale", Range(0.0, 2.0)) = 1
+
+        _BentNormalMap("_BentNormalMap", 2D) = "bump" {}
+        _BentNormalMapOS("_BentNormalMapOS", 2D) = "white" {}
+
+        _HeightMap("HeightMap", 2D) = "black" {}
+        // Caution: Default value of _HeightAmplitude must be (_HeightMax - _HeightMin) * 0.01
+        [HideInInspector] _HeightAmplitude("Height Amplitude", Float) = 0.02 // In world units. This will be computed in the UI.
+        _HeightMin("Heightmap Min", Float) = -1
+        _HeightMax("Heightmap Max", Float) = 1
+        _HeightCenter("Height Center", Range(0.0, 1.0)) = 0.5 // In texture space
+
+        _DetailMap("DetailMap", 2D) = "black" {}
+        _DetailAlbedoScale("_DetailAlbedoScale", Range(0.0, 2.0)) = 1
+        _DetailNormalScale("_DetailNormalScale", Range(0.0, 2.0)) = 1
+        _DetailSmoothnessScale("_DetailSmoothnessScale", Range(0.0, 2.0)) = 1
+
+        _TangentMap("TangentMap", 2D) = "bump" {}
+        _TangentMapOS("TangentMapOS", 2D) = "white" {}
+        _Anisotropy("Anisotropy", Range(-1.0, 1.0)) = 0
+        _AnisotropyMap("AnisotropyMap", 2D) = "white" {}
+
+        _SubsurfaceProfile("Subsurface Profile", Int) = 0
+        _SubsurfaceRadius("Subsurface Radius", Range(0.0, 1.0)) = 1.0
+        _SubsurfaceRadiusMap("Subsurface Radius Map", 2D) = "white" {}
+        _Thickness("Thickness", Range(0.0, 1.0)) = 1.0
+        _ThicknessMap("Thickness Map", 2D) = "white" {}
+
+        _CoatCoverage("Coat Coverage", Range(0.0, 1.0)) = 1.0
+        _CoatIOR("Coat IOR", Range(0.0, 1.0)) = 0.5
+
+        _SpecularColor("SpecularColor", Color) = (1, 1, 1, 1)
+        _SpecularColorMap("SpecularColorMap", 2D) = "white" {}
+
+        // Following options are for the GUI inspector and different from the input parameters above
+        // These option below will cause different compilation flag.
+        [ToggleOff]  _EnableSpecularOcclusion("Enable specular occlusion", Float) = 0.0
+
+        _EmissiveColor("EmissiveColor", Color) = (0, 0, 0)
+        _EmissiveColorMap("EmissiveColorMap", 2D) = "white" {}
+        _EmissiveIntensity("EmissiveIntensity", Float) = 0
+        [ToggleOff] _AlbedoAffectEmissive("Albedo Affect Emissive", Float) = 0.0
+
+        _DistortionVectorMap("DistortionVectorMap", 2D) = "black" {}
+        [ToggleOff] _DistortionEnable("Enable Distortion", Float) = 0.0
+        [ToggleOff] _DistortionDepthTest("Distortion Depth Test Enable", Float) = 0.0
+        [Enum(Add, 0, Multiply, 1)] _DistortionBlendMode("Distortion Blend Mode", Int) = 0
+        [HideInInspector] _DistortionSrcBlend("Distortion Blend Src", Int) = 0
+        [HideInInspector] _DistortionDstBlend("Distortion Blend Dst", Int) = 0
+        [HideInInspector] _DistortionBlurSrcBlend("Distortion Blur Blend Src", Int) = 0
+        [HideInInspector] _DistortionBlurDstBlend("Distortion Blur Blend Dst", Int) = 0
+        [HideInInspector] _DistortionBlurBlendMode("Distortion Blur Blend Mode", Int) = 0
+        _DistortionScale("Distortion Scale", Float) = 1
+        _DistortionBlurScale("Distortion Blur Scale", Float) = 1
+        _DistortionBlurRemapMin("DistortionBlurRemapMin", Float) = 0.0
+        _DistortionBlurRemapMax("DistortionBlurRemapMax", Float) = 1.0
+
+        [ToggleOff]  _AlphaCutoffEnable("Alpha Cutoff Enable", Float) = 0.0
+        _AlphaCutoff("Alpha Cutoff", Range(0.0, 1.0)) = 0.5
+
+        // Transparency
+        [Enum(None, 0, Plane, 1, Sphere, 2)]_RefractionMode("Refraction Mode", Int) = 0
+        _IOR("Indice Of Refraction", Range(1.0, 2.5)) = 1.0
+        _ThicknessMultiplier("Thickness Multiplier", Float) = 1.0
+        _TransmittanceColor("Transmittance Color", Color) = (1.0, 1.0, 1.0)
+        _ATDistance("Transmittance Absorption Distance", Float) = 1.0
+        [ToggleOff] _PreRefractionPass("PreRefractionPass", Float) = 0.0
+
+        // Stencil state
+        [HideInInspector] _StencilRef("_StencilRef", Int) = 2 // StencilLightingUsage.RegularLighting  (fixed at compile time)
+
+        // Blending state
+        [HideInInspector] _SurfaceType("__surfacetype", Float) = 0.0
+        [HideInInspector] _BlendMode("__blendmode", Float) = 0.0
+        [HideInInspector] _SrcBlend("__src", Float) = 1.0
+        [HideInInspector] _DstBlend("__dst", Float) = 0.0
+        [HideInInspector] _ZWrite("__zw", Float) = 1.0
+        [HideInInspector] _CullMode("__cullmode", Float) = 2.0
+        [HideInInspector] _ZTestMode("_ZTestMode", Int) = 8
+
+        [ToggleOff] _EnableFogOnTransparent("Enable Fog", Float) = 1.0
+        [ToggleOff] _EnableBlendModePreserveSpecularLighting("Enable Blend Mode Preserve Specular Lighting", Float) = 1.0
+
+        [ToggleOff] _DoubleSidedEnable("Double sided enable", Float) = 0.0
+        [Enum(None, 0, Mirror, 1, Flip, 2)] _DoubleSidedNormalMode("Double sided normal mode", Float) = 1
+        [HideInInspector] _DoubleSidedConstants("_DoubleSidedConstants", Vector) = (1, 1, -1, 0)
+
+        [Enum(UV0, 0, Planar, 4, TriPlanar, 5)] _UVBase("UV Set for base", Float) = 0
+        _TexWorldScale("Scale to apply on world coordinate", Float) = 1.0
+        [HideInInspector] _InvTilingScale("Inverse tiling scale = 2 / (abs(_BaseColorMap_ST.x) + abs(_BaseColorMap_ST.y))", Float) = 1
+        [HideInInspector] _UVMappingMask("_UVMappingMask", Color) = (1, 0, 0, 0)
+        [Enum(TangentSpace, 0, ObjectSpace, 1)] _NormalMapSpace("NormalMap space", Float) = 0
+
+        [Enum(Subsurface Scattering, 0, Standard, 1, Anisotropy, 2, ClearCoat, 3, Specular Color, 4)] _MaterialID("MaterialId", Int) = 1 // MaterialId.RegularLighting
+
+        [Enum(None, 0, Vertex displacement, 1, Pixel displacement, 2)] _DisplacementMode("DisplacementMode", Int) = 0
+        [ToggleOff] _DisplacementLockObjectScale("displacement lock object scale", Float) = 1.0
+        [ToggleOff] _DisplacementLockTilingScale("displacement lock tiling scale", Float) = 1.0
+        [ToggleOff] _DepthOffsetEnable("Depth Offset View space", Float) = 0.0
+
+        _PPDMinSamples("Min sample for POM", Range(1.0, 64.0)) = 5
+        _PPDMaxSamples("Max sample for POM", Range(1.0, 64.0)) = 15
+        _PPDLodThreshold("Start lod to fade out the POM effect", Range(0.0, 16.0)) = 5
+        _PPDPrimitiveLength("Primitive length for POM", Float) = 1
+        _PPDPrimitiveWidth("Primitive width for POM", Float) = 1
+        [HideInInspector] _InvPrimScale("Inverse primitive scale for non-planar POM", Vector) = (1, 1, 0, 0)
+
+        [Enum(UV0, 0, UV1, 1, UV2, 2, UV3, 3)] _UVDetail("UV Set for detail", Float) = 0
+        [HideInInspector] _UVDetailsMappingMask("_UVDetailsMappingMask", Color) = (1, 0, 0, 0)
+        [ToggleOff] _LinkDetailsWithBase("LinkDetailsWithBase", Float) = 1.0
+        [Enum(Use Emissive Color, 0, Use Emissive Mask, 1)] _EmissiveColorMode("Emissive color mode", Float) = 1
+
+        // Wind
+        [ToggleOff]  _EnableWind("Enable Wind", Float) = 0.0
+        _InitialBend("Initial Bend", float) = 1.0
+        _Stiffness("Stiffness", float) = 1.0
+        _Drag("Drag", float) = 1.0
+        _ShiverDrag("Shiver Drag", float) = 0.2
+        _ShiverDirectionality("Shiver Directionality", Range(0.0, 1.0)) = 0.5
+
+        // Caution: C# code in BaseLitUI.cs call LightmapEmissionFlagsProperty() which assume that there is an existing "_EmissionColor"
+        // value that exist to identify if the GI emission need to be enabled.
+        // In our case we don't use such a mechanism but need to keep the code quiet. We declare the value and always enable it.
+        // TODO: Fix the code in legacy unity so we can customize the beahvior for GI
+        _EmissionColor("Color", Color) = (1, 1, 1)
+    }
+
+    HLSLINCLUDE
+
+    #pragma target 4.5
+    #pragma only_renderers d3d11 ps4 metal // TEMP: until we go futher in dev
+    //#pragma enable_d3d11_debug_symbols
+
+    //-------------------------------------------------------------------------------------
+    // Variant
+    //-------------------------------------------------------------------------------------
+
+    #pragma shader_feature _ALPHATEST_ON
+    #pragma shader_feature _DEPTHOFFSET_ON
+    #pragma shader_feature _DOUBLESIDED_ON
+    #pragma shader_feature _ _VERTEX_DISPLACEMENT _PIXEL_DISPLACEMENT
+    #pragma shader_feature _VERTEX_DISPLACEMENT_LOCK_OBJECT_SCALE
+    #pragma shader_feature _DISPLACEMENT_LOCK_TILING_SCALE
+    #pragma shader_feature _PIXEL_DISPLACEMENT_LOCK_OBJECT_SCALE
+    #pragma shader_feature _VERTEX_WIND
+    #pragma shader_feature _ _REFRACTION_PLANE _REFRACTION_SPHERE
+
+    #pragma shader_feature _ _MAPPING_PLANAR _MAPPING_TRIPLANAR
+    #pragma shader_feature _NORMALMAP_TANGENT_SPACE
+    #pragma shader_feature _ _REQUIRE_UV2 _REQUIRE_UV3
+
+    #pragma shader_feature _NORMALMAP
+    #pragma shader_feature _MASKMAP
+	#pragma shader_feature _OCCLUSIONMAP
+	#pragma shader_feature _DETAILMAP_LEGACY
+    #pragma shader_feature _BENTNORMALMAP
+    #pragma shader_feature _EMISSIVE_COLOR_MAP
+    #pragma shader_feature _ENABLESPECULAROCCLUSION
+    #pragma shader_feature _HEIGHTMAP
+    #pragma shader_feature _TANGENTMAP
+    #pragma shader_feature _ANISOTROPYMAP
+    #pragma shader_feature _DETAIL_MAP
+    #pragma shader_feature _SUBSURFACE_RADIUS_MAP
+    #pragma shader_feature _THICKNESSMAP
+    #pragma shader_feature _SPECULARCOLORMAP
+
+    // Keyword for transparent
+    #pragma shader_feature _SURFACE_TYPE_TRANSPARENT
+    #pragma shader_feature _ _BLENDMODE_ALPHA _BLENDMODE_ADD _BLENDMODE_MULTIPLY _BLENDMODE_PRE_MULTIPLY
+    #pragma shader_feature _BLENDMODE_PRESERVE_SPECULAR_LIGHTING
+    #pragma shader_feature _ENABLE_FOG_ON_TRANSPARENT
+
+    // MaterialId are used as shader feature to allow compiler to optimize properly
+    // Note _MATID_STANDARD is not define as there is always the default case "_". We assign default as _MATID_STANDARD, so we never test _MATID_STANDARD
+    #pragma shader_feature _ _MATID_SSS _MATID_ANISO _MATID_SPECULAR _MATID_CLEARCOAT
+
+    #pragma multi_compile LIGHTMAP_OFF LIGHTMAP_ON
+    #pragma multi_compile DIRLIGHTMAP_OFF DIRLIGHTMAP_COMBINED
+    #pragma multi_compile DYNAMICLIGHTMAP_OFF DYNAMICLIGHTMAP_ON
+    // enable dithering LOD crossfade
+    #pragma multi_compile _ LOD_FADE_CROSSFADE
+    // TODO: We should have this keyword only if VelocityInGBuffer is enable, how to do that ?
+    //#pragma multi_compile VELOCITYOUTPUT_OFF VELOCITYOUTPUT_ON
+
+    //-------------------------------------------------------------------------------------
+    // Define
+    //-------------------------------------------------------------------------------------
+
+    #define UNITY_MATERIAL_LIT // Need to be define before including Material.hlsl
+    // Use surface gradient normal mapping as it handle correctly triplanar normal mapping and multiple UVSet
+    #define SURFACE_GRADIENT
+    // This shader support vertex modification
+    #define HAVE_VERTEX_MODIFICATION
+
+    //-------------------------------------------------------------------------------------
+    // Include
+    //-------------------------------------------------------------------------------------
+
+    #include "../../../Core/ShaderLibrary/Common.hlsl"
+    #include "../../../Core/ShaderLibrary/Wind.hlsl"
+    #include "../../ShaderPass/FragInputs.hlsl"
+    #include "../../ShaderPass/ShaderPass.cs.hlsl"
+
+
+    //-------------------------------------------------------------------------------------
+    // variable declaration
+    //-------------------------------------------------------------------------------------
+
+    #include "../../Material/Lit/LitProperties.hlsl"
+
+	TEXTURE2D(_OcclusionMap);
+	SAMPLER2D(sampler_OcclusionMap);
+
+    // All our shaders use same name for entry point
+    #pragma vertex Vert
+    #pragma fragment Frag
+
+    ENDHLSL
+
+    SubShader
+    {
+        Pass
+        {
+            Name "GBuffer"  // Name is not used
+            Tags { "LightMode" = "GBuffer" } // This will be only for opaque object based on the RenderQueue index
+
+            Cull [_CullMode]
+
+            Stencil
+            {
+                Ref  [_StencilRef]
+                Comp Always
+                Pass Replace
+            }
+
+            HLSLPROGRAM
+
+            #define SHADERPASS SHADERPASS_GBUFFER
+            #include "../../ShaderVariables.hlsl"
+            #include "../../Material/Material.hlsl"
+            #include "ShaderPass/LitSharePass.hlsl"
+            #include "LitData.hlsl"
+            #include "../../ShaderPass/ShaderPassGBufferTransitional.hlsl"
+
+            ENDHLSL
+        }
+
+        // This pass is the same as GBuffer only it does not do alpha test (the clip instruction is removed)
+        // This is due to the fact that on GCN, any shader with a clip instruction cannot benefit from HiZ so when we do a prepass, in order to get the most performance, we need to make a special case in the subsequent GBuffer pass.
+        Pass
+        {
+            Name "GBufferWithPrepass"  // Name is not used
+            Tags { "LightMode" = "GBufferWithPrepass" } // This will be only for opaque object based on the RenderQueue index
+
+            Cull [_CullMode]
+
+            Stencil
+            {
+                Ref  [_StencilRef]
+                Comp Always
+                Pass Replace
+            }
+
+            HLSLPROGRAM
+
+            #define SHADERPASS SHADERPASS_GBUFFER
+            #define _BYPASS_ALPHA_TEST
+            #include "../../ShaderVariables.hlsl"
+            #include "../../Material/Material.hlsl"
+            #include "ShaderPass/LitSharePass.hlsl"
+            #include "LitData.hlsl"
+			#include "../../ShaderPass/ShaderPassGBufferTransitional.hlsl"
+
+            ENDHLSL
+        }
+
+        Pass
+        {
+            Name "GBufferDebugDisplay"  // Name is not used
+            Tags{ "LightMode" = "GBufferDebugDisplay" } // This will be only for opaque object based on the RenderQueue index
+
+            Cull [_CullMode]
+
+            Stencil
+            {
+                Ref  [_StencilRef]
+                Comp Always
+                Pass Replace
+            }
+
+            HLSLPROGRAM
+
+            #define DEBUG_DISPLAY
+            #define SHADERPASS SHADERPASS_GBUFFER
+            #include "../../ShaderVariables.hlsl"
+            #include "../../Debug/DebugDisplay.hlsl"
+            #include "../../Material/Material.hlsl"
+            #include "ShaderPass/LitSharePass.hlsl"
+            #include "LitData.hlsl"
+			#include "../../ShaderPass/ShaderPassGBufferTransitional.hlsl"
+
+            ENDHLSL
+        }
+
+        // Extracts information for lightmapping, GI (emission, albedo, ...)
+        // This pass it not used during regular rendering.
+        Pass
+        {
+            Name "META"
+            Tags{ "LightMode" = "Meta" }
+
+            Cull Off
+
+            HLSLPROGRAM
+
+            // Lightmap memo
+            // DYNAMICLIGHTMAP_ON is used when we have an "enlighten lightmap" ie a lightmap updated at runtime by enlighten.This lightmap contain indirect lighting from realtime lights and realtime emissive material.Offline baked lighting(from baked material / light,
+            // both direct and indirect lighting) will hand up in the "regular" lightmap->LIGHTMAP_ON.
+
+            #define SHADERPASS SHADERPASS_LIGHT_TRANSPORT
+            #include "../../ShaderVariables.hlsl"
+            #include "../../Material/Material.hlsl"
+            #include "ShaderPass/LitMetaPass.hlsl"
+            #include "LitData.hlsl"
+            #include "../../ShaderPass/ShaderPassLightTransport.hlsl"
+
+            ENDHLSL
+        }
+
+        Pass
+        {
+            Name "ShadowCaster"
+            Tags{ "LightMode" = "ShadowCaster" }
+
+            Cull[_CullMode]
+
+            ZClip Off
+            ZWrite On
+            ZTest LEqual
+
+            HLSLPROGRAM
+
+            #define SHADERPASS SHADERPASS_SHADOWS
+            #define USE_LEGACY_UNITY_MATRIX_VARIABLES
+            #include "../../ShaderVariables.hlsl"
+            #include "../../Material/Material.hlsl"
+            #include "ShaderPass/LitDepthPass.hlsl"
+            #include "LitData.hlsl"
+            #include "../../ShaderPass/ShaderPassDepthOnly.hlsl"
+
+            ENDHLSL
+        }
+
+        Pass
+        {
+            Name "DepthOnly"
+            Tags{ "LightMode" = "DepthOnly" }
+
+            Cull[_CullMode]
+
+            ZWrite On
+
+            HLSLPROGRAM
+
+            #define SHADERPASS SHADERPASS_DEPTH_ONLY
+            #include "../../ShaderVariables.hlsl"
+            #include "../../Material/Material.hlsl"
+            #include "ShaderPass/LitDepthPass.hlsl"
+            #include "LitData.hlsl"
+            #include "../../ShaderPass/ShaderPassDepthOnly.hlsl"
+
+            ENDHLSL
+        }
+
+        Pass
+        {
+            Name "Motion Vectors"
+            Tags{ "LightMode" = "MotionVectors" } // Caution, this need to be call like this to setup the correct parameters by C++ (legacy Unity)
+
+            Cull[_CullMode]
+
+            ZWrite Off // TODO: Test Z equal here.
+
+            HLSLPROGRAM
+
+            #define SHADERPASS SHADERPASS_VELOCITY
+            #include "../../ShaderVariables.hlsl"
+            #include "../../Material/Material.hlsl"
+            #include "ShaderPass/LitVelocityPass.hlsl"
+            #include "LitData.hlsl"
+            #include "../../ShaderPass/ShaderPassVelocity.hlsl"
+
+            ENDHLSL
+        }
+
+        Pass
+        {
+            Name "Distortion" // Name is not used
+            Tags { "LightMode" = "DistortionVectors" } // This will be only for transparent object based on the RenderQueue index
+
+            Blend [_DistortionSrcBlend] [_DistortionDstBlend], [_DistortionBlurSrcBlend] [_DistortionBlurDstBlend]
+            BlendOp Add, [_DistortionBlurBlendOp]
+            ZTest [_ZTestMode]
+            ZWrite off
+            Cull [_CullMode]
+
+            HLSLPROGRAM
+
+            #define SHADERPASS SHADERPASS_DISTORTION
+            #include "../../ShaderVariables.hlsl"
+            #include "../../Material/Material.hlsl"
+            #include "ShaderPass/LitDistortionPass.hlsl"
+            #include "LitData.hlsl"
+            #include "../../ShaderPass/ShaderPassDistortion.hlsl"
+
+            ENDHLSL
+        }
+
+        Pass
+        {
+            Name "Forward" // Name is not used
+            Tags { "LightMode" = "Forward" } // This will be only for transparent object based on the RenderQueue index
+
+            Blend [_SrcBlend] [_DstBlend]
+            ZWrite [_ZWrite]
+            Cull [_CullMode]
+
+            HLSLPROGRAM
+
+            #define SHADERPASS SHADERPASS_FORWARD
+            #include "../../ShaderVariables.hlsl"
+            #include "../../Lighting/Forward.hlsl"
+            // TEMP until pragma work in include
+            #pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS
+
+            #include "../../Lighting/Lighting.hlsl"
+            #include "ShaderPass/LitSharePass.hlsl"
+            #include "LitData.hlsl"
+            #include "../../ShaderPass/ShaderPassForward.hlsl"
+
+            ENDHLSL
+        }
+
+        Pass
+        {
+            Name "ForwardDebugDisplay" // Name is not used
+            Tags{ "LightMode" = "ForwardDebugDisplay" } // This will be only for transparent object based on the RenderQueue index
+
+            Blend[_SrcBlend][_DstBlend]
+            ZWrite[_ZWrite]
+            Cull[_CullMode]
+
+            HLSLPROGRAM
+
+            #define DEBUG_DISPLAY
+            #define SHADERPASS SHADERPASS_FORWARD
+            #include "../../ShaderVariables.hlsl"
+            #include "../../Debug/DebugDisplay.hlsl"
+            #include "../../Lighting/Forward.hlsl"
+            // TEMP until pragma work in include
+            #pragma multi_compile LIGHTLOOP_SINGLE_PASS LIGHTLOOP_TILE_PASS
+
+            #include "../../Lighting/Lighting.hlsl"
+            #include "ShaderPass/LitSharePass.hlsl"
+            #include "LitData.hlsl"
+            #include "../../ShaderPass/ShaderPassForward.hlsl"
+
+            ENDHLSL
+        }
+
+    }
+
+    CustomEditor "Experimental.Rendering.HDPipeline.LitTransitionalGUI"   
+}

ScriptableRenderPipeline/HDRenderPipeline/ShaderPass/ShaderPassGBufferTransitional.hlsl

+#if SHADERPASS != SHADERPASS_GBUFFER
+#error SHADERPASS_is_not_correctly_define
+#endif
+
+#include "VertMesh.hlsl"
+
+PackedVaryingsType Vert(AttributesMesh inputMesh)
+{
+    VaryingsType varyingsType;
+    varyingsType.vmesh = VertMesh(inputMesh);
+    return PackVaryingsType(varyingsType);
+}
+
+#ifdef TESSELLATION_ON
+
+PackedVaryingsToPS VertTesselation(VaryingsToDS input)
+{
+    VaryingsToPS output;
+    output.vmesh = VertMeshTesselation(input.vmesh);
+    return PackVaryingsToPS(output);
+}
+
+#include "TessellationShare.hlsl"
+
+#endif // TESSELLATION_ON
+
+void Frag(  PackedVaryingsToPS packedInput,
+            OUTPUT_GBUFFER(outGBuffer)
+            OUTPUT_GBUFFER_VELOCITY(outVelocityBuffer)    
+            #ifdef _DEPTHOFFSET_ON
+            , out float outputDepth : SV_Depth
+            #endif
+            )
+{
+    FragInputs input = UnpackVaryingsMeshToFragInputs(packedInput.vmesh);
+
+    // input.unPositionSS is SV_Position
+    PositionInputs posInput = GetPositionInput(input.unPositionSS.xy, _ScreenSize.zw);
+    UpdatePositionInput(input.unPositionSS.z, input.unPositionSS.w, input.positionWS, posInput);
+    float3 V = GetWorldSpaceNormalizeViewDir(input.positionWS);
+
+    SurfaceData surfaceData;
+    BuiltinData builtinData;
+    GetSurfaceAndBuiltinData(input, V, posInput, surfaceData, builtinData);
+
+#ifdef _OCCLUSIONMAP   
+	UVMapping occlusionTexcoord;
+	ZERO_INITIALIZE(UVMapping, occlusionTexcoord);
+	occlusionTexcoord.uv = input.texCoord0;
+    surfaceData.ambientOcclusion = SAMPLE_UVMAPPING_TEXTURE2D(_OcclusionMap, sampler_OcclusionMap, occlusionTexcoord).g;
+#else   
+    surfaceData.ambientOcclusion = 1.0f;
+#endif
+
+    BSDFData bsdfData = ConvertSurfaceDataToBSDFData(surfaceData);
+
+    PreLightData preLightData = GetPreLightData(V, posInput, bsdfData);
+
+    float3 bakeDiffuseLighting = GetBakedDiffuseLigthing(surfaceData, builtinData, bsdfData, preLightData);
+
+    ENCODE_INTO_GBUFFER(surfaceData, bakeDiffuseLighting, outGBuffer);
+    ENCODE_VELOCITY_INTO_GBUFFER(builtinData.velocity, outVelocityBuffer);
+
+#ifdef _DEPTHOFFSET_ON
+    outputDepth = posInput.depthRaw;
+#endif
+}