Merge pull request #162 from EvgeniiG/master

Improve the SSS profile UI

Assets/ScriptableRenderPipeline/HDRenderPipeline/HDRenderPipeline.cs

             }
 
             // Broadcast SSS parameters to all shaders.
-            Shader.SetGlobalInt("_TransmittanceFlags", sssParameters.transmittanceFlags);
+            Shader.SetGlobalInt("_TransmissionFlags", sssParameters.transmissionFlags);
+
+            if (sssParameters.enableSSS)
+            {
+                Shader.EnableKeyword("_SUBSURFACE_SCATTERING");
+            }
+            else
+            {
+                Shader.DisableKeyword("_SUBSURFACE_SCATTERING");
+            }
 
             var cmd = new CommandBuffer {name = "Push Global Parameters"};
 
             // TODO: Try to arrange code so we can trigger this call earlier and use async compute here to run sky convolution during other passes (once we move convolution shader to compute).
             UpdateSkyEnvironment(hdCamera, renderContext);
 
-            RenderDeferredLighting(hdCamera, renderContext);
+            RenderDeferredLighting(hdCamera, renderContext, m_Owner.sssParameters.enableSSS);
 
             // We compute subsurface scattering here. Therefore, no objects rendered afterwards will exhibit SSS.
             // Currently, there is no efficient way to switch between SRT and MRT for the forward pass;
             }
         }
 
-        void RenderDeferredLighting(HDCamera hdCamera, ScriptableRenderContext renderContext)
+        void RenderDeferredLighting(HDCamera hdCamera, ScriptableRenderContext renderContext, bool enableSSS)
         {
             if (m_Owner.renderingSettings.ShouldUseForwardRenderingOnly() || m_LightLoop == null)
             {
             RenderTargetIdentifier[] colorRTs = { m_CameraColorBufferRT, m_CameraSubsurfaceBufferRT };
 
-            // Output split lighting for materials tagged with the SSS stencil bit.
-            m_LightLoop.RenderDeferredLighting(hdCamera, renderContext, globalDebugSettings.lightingDebugSettings, colorRTs, m_CameraStencilBufferRT, true);
+            if (enableSSS)
+            {
+                // Output split lighting for materials tagged with the SSS stencil bit.
+                m_LightLoop.RenderDeferredLighting(hdCamera, renderContext, globalDebugSettings.lightingDebugSettings, colorRTs, m_CameraStencilBufferRT, true, enableSSS);
+            }
-            m_LightLoop.RenderDeferredLighting(hdCamera, renderContext, globalDebugSettings.lightingDebugSettings, colorRTs, m_CameraStencilBufferRT, false);
+            m_LightLoop.RenderDeferredLighting(hdCamera, renderContext, globalDebugSettings.lightingDebugSettings, colorRTs, m_CameraStencilBufferRT, false, enableSSS);
         }
 
         // Combines specular lighting and diffuse lighting with subsurface scattering.
             if (m_Owner.renderingSettings.ShouldUseForwardRenderingOnly()) return;
+
+            if (!sssParameters.enableSSS) return;
 
             var cmd = new CommandBuffer() { name = "Subsurface Scattering Pass" };
 

Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/LightLoop.cs

         public virtual void RenderDeferredLighting(HDCamera hdCamera, ScriptableRenderContext renderContext,
                                                    LightingDebugSettings lightDebugParameters,
                                                    RenderTargetIdentifier[] colorBuffers, RenderTargetIdentifier stencilBuffer,
-                                                   bool outputSplitLighting) {}
+                                                   bool outputSplitLightingForSSS, bool enableSSS) {}
 
         public virtual void RenderForward(Camera camera, ScriptableRenderContext renderContext, bool renderOpaque) {}
 

Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/Resources/Deferred.shader

         _SrcBlend("", Float) = 1
         _DstBlend("", Float) = 1
 
-        _StencilRef("_StencilRef", Int) = 0
+        _StencilRef("", Int) = 0
+        _StencilCmp("", Int) = 3
     }
 
     SubShader
             Stencil
             {
                 Ref  [_StencilRef]
-                Comp Equal
+                Comp [_StencilCmp]
                 Pass Keep
             }
 

Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/TilePass.cs

                 m_DeferredDirectMaterialSRT.EnableKeyword("LIGHTLOOP_TILE_PASS");
                 m_DeferredDirectMaterialSRT.DisableKeyword("OUTPUT_SPLIT_LIGHTING");
                 m_DeferredDirectMaterialSRT.SetInt("_StencilRef", (int)StencilBits.Standard);
+                m_DeferredDirectMaterialSRT.SetInt("_StencilCmp", 4 /* LEqual */);
                 m_DeferredDirectMaterialSRT.SetInt("_SrcBlend", (int)BlendMode.One);
                 m_DeferredDirectMaterialSRT.SetInt("_DstBlend", (int)BlendMode.Zero);
 
                 m_DeferredDirectMaterialMRT.EnableKeyword("OUTPUT_SPLIT_LIGHTING");
                 m_DeferredDirectMaterialMRT.SetInt("_StencilRef", (int)StencilBits.SSS);
+                m_DeferredDirectMaterialMRT.SetInt("_StencilCmp", 3 /* Equal */);
                 m_DeferredDirectMaterialMRT.SetInt("_SrcBlend", (int)BlendMode.One);
                 m_DeferredDirectMaterialMRT.SetInt("_DstBlend", (int)BlendMode.Zero);
 
                 m_DeferredIndirectMaterialSRT.DisableKeyword("OUTPUT_SPLIT_LIGHTING");
                 m_DeferredIndirectMaterialSRT.SetInt("_StencilRef", (int)StencilBits.Standard);
+                m_DeferredIndirectMaterialSRT.SetInt("_StencilCmp", 4 /* LEqual */);
                 m_DeferredIndirectMaterialSRT.SetInt("_SrcBlend", (int)BlendMode.One);
                 m_DeferredIndirectMaterialSRT.SetInt("_DstBlend", (int)BlendMode.One); // Additive color & alpha source
 
                 m_DeferredIndirectMaterialMRT.EnableKeyword("OUTPUT_SPLIT_LIGHTING");
                 m_DeferredIndirectMaterialMRT.SetInt("_StencilRef", (int)StencilBits.SSS);
+                m_DeferredIndirectMaterialMRT.SetInt("_StencilCmp", 3 /* Equal */);
                 m_DeferredIndirectMaterialMRT.SetInt("_SrcBlend", (int)BlendMode.One);
                 m_DeferredIndirectMaterialMRT.SetInt("_DstBlend", (int)BlendMode.One); // Additive color & alpha source
 
                 m_DeferredAllMaterialSRT.DisableKeyword("OUTPUT_SPLIT_LIGHTING");
                 m_DeferredAllMaterialSRT.SetInt("_StencilRef", (int)StencilBits.Standard);
+                m_DeferredAllMaterialSRT.SetInt("_StencilCmp", 4 /* LEqual */);
                 m_DeferredAllMaterialSRT.SetInt("_SrcBlend", (int)BlendMode.One);
                 m_DeferredAllMaterialSRT.SetInt("_DstBlend", (int)BlendMode.Zero);
 
                 m_DeferredAllMaterialMRT.EnableKeyword("OUTPUT_SPLIT_LIGHTING");
                 m_DeferredAllMaterialMRT.SetInt("_StencilRef", (int)StencilBits.SSS);
+                m_DeferredAllMaterialMRT.SetInt("_StencilCmp", 3 /* Equal */);
                 m_DeferredAllMaterialMRT.SetInt("_SrcBlend", (int)BlendMode.One);
                 m_DeferredAllMaterialMRT.SetInt("_DstBlend", (int)BlendMode.Zero);
 
                 m_SingleDeferredMaterialSRT.EnableKeyword("LIGHTLOOP_SINGLE_PASS");
                 m_SingleDeferredMaterialSRT.DisableKeyword("OUTPUT_SPLIT_LIGHTING");
                 m_SingleDeferredMaterialSRT.SetInt("_StencilRef", (int)StencilBits.Standard);
+                m_SingleDeferredMaterialSRT.SetInt("_StencilCmp", 4 /* LEqual */);
                 m_SingleDeferredMaterialSRT.SetInt("_SrcBlend", (int)BlendMode.One);
                 m_SingleDeferredMaterialSRT.SetInt("_DstBlend", (int)BlendMode.Zero);
 
                 m_SingleDeferredMaterialMRT.SetInt("_StencilRef", (int)StencilBits.SSS);
+                m_SingleDeferredMaterialMRT.SetInt("_StencilCmp", 3 /* Equal */);
                 m_SingleDeferredMaterialMRT.SetInt("_SrcBlend", (int)BlendMode.One);
                 m_SingleDeferredMaterialMRT.SetInt("_DstBlend", (int)BlendMode.Zero);
 
             public override void RenderDeferredLighting(HDCamera hdCamera, ScriptableRenderContext renderContext,
                                                         LightingDebugSettings lightDebugSettings,
                                                         RenderTargetIdentifier[] colorBuffers, RenderTargetIdentifier stencilBuffer,
-                                                        bool outputSplitLighting)
+                                                        bool outputSplitLightingForSSS, bool enableSSS)
             {
                 var bUseClusteredForDeferred = !usingFptl;
 
                     if (m_PassSettings.disableTileAndCluster)
                     {
                         // This is a debug brute force renderer to debug tile/cluster which render all the lights
-                        if (outputSplitLighting)
+                        if (outputSplitLightingForSSS)
+                            m_SingleDeferredMaterialSRT.SetInt("_StencilRef", (int)(enableSSS ? StencilBits.Standard : StencilBits.SSS));
                             Utilities.DrawFullScreen(cmd, m_SingleDeferredMaterialSRT, hdCamera, colorBuffers[0], stencilBuffer);
                         }
                     }
                             // Pixel shader evaluation
                             if (m_PassSettings.enableSplitLightEvaluation)
                             {
-                                if (outputSplitLighting)
+                                if (outputSplitLightingForSSS)
                                 {
                                     Utilities.SelectKeyword(m_DeferredDirectMaterialMRT, "USE_CLUSTERED_LIGHTLIST", "USE_FPTL_LIGHTLIST", bUseClusteredForDeferred);
                                     Utilities.DrawFullScreen(cmd, m_DeferredDirectMaterialMRT, hdCamera, colorBuffers, stencilBuffer);
                                 }
                                 else
                                 {
+                                    m_DeferredDirectMaterialSRT.SetInt("_StencilRef", (int)(enableSSS ? StencilBits.Standard : StencilBits.SSS));
+                                    m_DeferredIndirectMaterialSRT.SetInt("_StencilRef", (int)(enableSSS ? StencilBits.Standard : StencilBits.SSS));
                                     Utilities.SelectKeyword(m_DeferredIndirectMaterialSRT, "USE_CLUSTERED_LIGHTLIST", "USE_FPTL_LIGHTLIST", bUseClusteredForDeferred);
                                     Utilities.DrawFullScreen(cmd, m_DeferredIndirectMaterialSRT, hdCamera, colorBuffers[0], stencilBuffer);
                                 }
-                                if (outputSplitLighting)
+                                if (outputSplitLightingForSSS)
                                 {
                                     Utilities.SelectKeyword(m_DeferredAllMaterialMRT, "USE_CLUSTERED_LIGHTLIST", "USE_FPTL_LIGHTLIST", bUseClusteredForDeferred);
                                     Utilities.DrawFullScreen(cmd, m_DeferredAllMaterialMRT, hdCamera, colorBuffers, stencilBuffer);
+                                    m_DeferredAllMaterialSRT.SetInt("_StencilRef", (int)(enableSSS ? StencilBits.Standard : StencilBits.SSS));
                                     Utilities.SelectKeyword(m_DeferredAllMaterialSRT, "USE_CLUSTERED_LIGHTLIST", "USE_FPTL_LIGHTLIST", bUseClusteredForDeferred);
                                     Utilities.DrawFullScreen(cmd, m_DeferredAllMaterialSRT, hdCamera, colorBuffers[0], stencilBuffer);
                                 }

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/LayeredLit/LayeredLit.shader

         _HorizonFade("Horizon fade", Range(0.0, 5.0)) = 1.0
 
         // Stencil state
-        [HideInInspector] _StencilRef("_StencilRef", Int) = 1
+        [HideInInspector] _StencilRef("_StencilRef", Int) = 2 // StencilBits.Standard
 
         // Blending state
         [HideInInspector] _SurfaceType("__surfacetype", Float) = 0.0

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/LayeredLit/LayeredLitTessellation.shader

         _HorizonFade("Horizon fade", Range(0.0, 5.0)) = 1.0
 
         // Stencil state
-        [HideInInspector] _StencilRef("_StencilRef", Int) = 1
+        [HideInInspector] _StencilRef("_StencilRef", Int) = 2 // StencilBits.Standard
 
         // Blending state
         [HideInInspector] _SurfaceType("__surfacetype", Float) = 0.0

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Editor/BaseLitUI.cs

             bool depthOffsetEnable = material.GetFloat(kDepthOffsetEnable) > 0.0f;
             SetKeyword(material, "_DEPTHOFFSET_ON", depthOffsetEnable);
 
+            int stencilRef = (int)UnityEngine.Experimental.Rendering.HDPipeline.StencilBits.Standard; // See 'StencilBits'.
-                material.SetInt("_StencilRef", 1 + (int)material.GetFloat(kMaterialID)); // See 'StencilBits'.
+            {
+                int materialID = (int)material.GetFloat(kMaterialID);
+
+                switch (materialID)
+                {
+                   case (int)UnityEngine.Experimental.Rendering.HDPipeline.Lit.MaterialId.LitSSS:
+                        stencilRef = (int)UnityEngine.Experimental.Rendering.HDPipeline.StencilBits.SSS;
+                        break;
+                    case (int)UnityEngine.Experimental.Rendering.HDPipeline.Lit.MaterialId.LitStandard:
+                        stencilRef = (int)UnityEngine.Experimental.Rendering.HDPipeline.StencilBits.Standard;
+                        break;
+                    default:
+                        stencilRef = 1 + materialID;
+                        break;
+                }
+            }
+            material.SetInt("_StencilRef", stencilRef);
 
             bool enablePerPixelDisplacement = material.GetFloat(kEnablePerPixelDisplacement) > 0.0f;
             SetKeyword(material, "_PER_PIXEL_DISPLACEMENT", enablePerPixelDisplacement);

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.cs

             public float   subsurfaceRadius;
             public float   thickness;
             public int     subsurfaceProfile;
-            public bool    enableTransmittance;
+            public bool    enableTransmission;
             public Vector3 transmittance;
 
             // Clearcoat

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.cs.hlsl

 	float subsurfaceRadius;
 	float thickness;
 	int subsurfaceProfile;
-	bool enableTransmittance;
+	bool enableTransmission;
 	float3 transmittance;
 	float3 coatNormalWS;
 	float coatRoughness;

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.hlsl

 
 // SSS parameters
 #define N_PROFILES 8
-uint   _TransmittanceFlags;                            // One bit per profile; 1 = enabled
+uint   _TransmissionFlags;                             // One bit per profile; 1 = enabled
 float  _ThicknessScales[N_PROFILES];
 float4 _HalfRcpVariancesAndLerpWeights[N_PROFILES][2]; // 2x Gaussians per color channel, A is the the associated interpolation weight
 
     {
         bsdfData.diffuseColor = surfaceData.baseColor;
         bsdfData.fresnel0 = 0.028; // TODO take from subsurfaceProfile
+        bsdfData.subsurfaceProfile = surfaceData.subsurfaceProfile;
-        bsdfData.subsurfaceProfile = surfaceData.subsurfaceProfile;
-        bsdfData.enableTransmittance = (1 << bsdfData.subsurfaceProfile) & _TransmittanceFlags;
-        if (bsdfData.enableTransmittance)
+        bsdfData.enableTransmission = (1 << bsdfData.subsurfaceProfile) & _TransmissionFlags;
+        if (bsdfData.enableTransmission)
         {
             bsdfData.transmittance = ComputeTransmittance(_HalfRcpVariancesAndLerpWeights[bsdfData.subsurfaceProfile][0].xyz,
                                                           _HalfRcpVariancesAndLerpWeights[bsdfData.subsurfaceProfile][0].w,
     {
         bsdfData.diffuseColor = baseColor;
         bsdfData.fresnel0 = 0.028; // TODO take from subsurfaceProfile
+        bsdfData.subsurfaceProfile = inGBuffer2.a * 8.0;
-        bsdfData.subsurfaceProfile = inGBuffer2.a * 8.0;
-        bsdfData.enableTransmittance = (1 << bsdfData.subsurfaceProfile) & _TransmittanceFlags;
-        if (bsdfData.enableTransmittance)
+        bsdfData.enableTransmission = (1 << bsdfData.subsurfaceProfile) & _TransmissionFlags;
+        if (bsdfData.enableTransmission)
         {
             bsdfData.transmittance = ComputeTransmittance(_HalfRcpVariancesAndLerpWeights[bsdfData.subsurfaceProfile][0].xyz,
                                                           _HalfRcpVariancesAndLerpWeights[bsdfData.subsurfaceProfile][0].w,
         specularLighting *= (cookie.rgb * lightData.color) * (illuminance * lightData.specularScale);
     }
 
-    [branch] if (bsdfData.enableTransmittance)
+    [branch] if (bsdfData.enableTransmission)
     {
         // Reverse the normal.
         illuminance = saturate(dot(-bsdfData.normalWS, L));
         specularLighting *= (cookie.rgb * lightData.color) * (illuminance * lightData.specularScale);
     }
 
-    [branch] if (bsdfData.enableTransmittance)
+    [branch] if (bsdfData.enableTransmission)
     {
         // Reverse the normal.
         illuminance = saturate(dot(-bsdfData.normalWS, L)) * attenuation;

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.shader

         _SubsurfaceProfile("Subsurface Profile", Int) = 0
         _SubsurfaceRadius("Subsurface Radius", Range(0.004, 1.0)) = 1.0
         _SubsurfaceRadiusMap("Subsurface Radius Map", 2D) = "white" {}
-        _Thickness("Thickness", Range(0.004, 1.0)) = 0.5
+        _Thickness("Thickness", Range(0.004, 1.0)) = 1.0
         _ThicknessMap("Thickness Map", 2D) = "white" {}
 
         //_CoatCoverage("CoatCoverage", Range(0.0, 1.0)) = 0
     #pragma shader_feature _DETAIL_MAP
     #pragma shader_feature _SUBSURFACE_RADIUS_MAP
     #pragma shader_feature _THICKNESS_MAP
+    #pragma shader_feature _SUBSURFACE_SCATTERING
 
     #pragma multi_compile LIGHTMAP_OFF LIGHTMAP_ON
     #pragma multi_compile DIRLIGHTMAP_OFF DIRLIGHTMAP_COMBINED

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/LitDataInternal.hlsl

     // This part of the code is not used in case of layered shader but we keep the same macro system for simplicity
 #if !defined(LAYERED_LIT_SHADER)
 
+#ifdef _SUBSURFACE_SCATTERING
+#else
+    surfaceData.materialId = (_MaterialID == MATERIALID_LIT_SSS) ? 0 : _MaterialID;
+#endif
 
     // TODO: think about using BC5
 #ifdef _TANGENTMAP

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/LitTessellation.shader

         _SubsurfaceProfile("Subsurface Profile", Int) = 0
         _SubsurfaceRadius("Subsurface Radius", Range(0.004, 1.0)) = 1.0
         _SubsurfaceRadiusMap("Subsurface Radius Map", 2D) = "white" {}
-        _Thickness("Thickness", Range(0.004, 1.0)) = 0.5
+        _Thickness("Thickness", Range(0.004, 1.0)) = 1.0
         _ThicknessMap("Thickness Map", 2D) = "white" {}
 
         //_CoatCoverage("CoatCoverage", Range(0.0, 1.0)) = 0
     #pragma shader_feature _DETAIL_MAP
     #pragma shader_feature _SUBSURFACE_RADIUS_MAP
     #pragma shader_feature _THICKNESS_MAP
+    #pragma shader_feature _SUBSURFACE_SCATTERING
 
     #pragma multi_compile LIGHTMAP_OFF LIGHTMAP_ON
     #pragma multi_compile DIRLIGHTMAP_OFF DIRLIGHTMAP_COMBINED

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Resources/CombineSubsurfaceScattering.shader

         {
             Stencil
             {
-                Ref  2 // StencilBits.SSS
+                Ref  1 // StencilBits.SSS
                 Comp Equal
                 Pass Keep
             }

Assets/ScriptableRenderPipeline/HDRenderPipeline/SceneSettings/SubsurfaceScatteringParameters.cs

 using System;
+using UnityEngine.Rendering;
 #if UNITY_EDITOR
     using UnityEditor;
 #endif
         [SerializeField]
         public float lerpWeight;
         [SerializeField]
-        public bool  enableTransmittance;
+        public bool  enableTransmission;
         [SerializeField]
         public float thicknessScale;
         [SerializeField] [HideInInspector]
 
         public SubsurfaceScatteringProfile()
         {
-            stdDev1             = new Color(0.3f, 0.3f, 0.3f, 0.0f);
-            stdDev2             = new Color(1.0f, 1.0f, 1.0f, 0.0f);
-            lerpWeight          = 0.5f;
-            enableTransmittance = false;
-            thicknessScale      = 3.0f;
+            stdDev1            = new Color(0.3f, 0.3f, 0.3f, 0.0f);
+            stdDev2            = new Color(0.6f, 0.6f, 0.6f, 0.0f);
+            lerpWeight         = 0.5f;
+            enableTransmission = false;
+            thicknessScale     = 3.0f;
 
             UpdateKernelAndVarianceData();
         }
         public const int maxNumProfiles = 8;
 
         [SerializeField]
+        bool                          m_EnableSSS;
+        [SerializeField]
-        int                           m_TransmittanceFlags;
+        int                           m_TransmissionFlags;
         [SerializeField]
         SubsurfaceScatteringProfile[] m_Profiles;
         [SerializeField]
 
         public SubsurfaceScatteringParameters()
         {
+            m_EnableSSS   = true;
             m_NumProfiles = 1;
             m_Profiles    = new SubsurfaceScatteringProfile[m_NumProfiles];
 
             }
 
             OnValidate();
+        }
+
+        public bool enableSSS {
+            // Set via serialization.
+            get { return m_EnableSSS; }
         }
 
         public SubsurfaceScatteringProfile[] profiles {
 
         // Returns a bit mask s.t. the i-th bit indicates whether the i-th profile requires transmittance evaluation.
-        // Supplies '_TransmittanceFlags' to Lit.hlsl.
-        public int transmittanceFlags {
+        // Supplies '_TransmissionFlags' to Lit.hlsl.
+        public int transmissionFlags {
-            get { return m_TransmittanceFlags; }
+            get { return m_TransmissionFlags; }
         }
 
         // Supplies '_ThicknessScales' to Lit.hlsl.
             get { return m_FilterKernels; }
         }
 
-        // --- Private Methods ---
-
-        void OnValidate()
+        public void OnValidate()
         {
             if (m_Profiles.Length > maxNumProfiles)
             {
             m_NumProfiles        = m_Profiles.Length;
-            m_TransmittanceFlags = 0;
+            m_TransmissionFlags = 0;
 
             if (m_ThicknessScales == null)
             {
 
             for (int i = 0; i < m_NumProfiles; i++)
             {
-                m_TransmittanceFlags |= (m_Profiles[i].enableTransmittance ? 1 : 0) << i;
+                m_TransmissionFlags |= (m_Profiles[i].enableTransmission ? 1 : 0) << i;
 
                 c.r = Mathf.Clamp(m_Profiles[i].stdDev1.r, 0.05f, 2.0f);
                 c.g = Mathf.Clamp(m_Profiles[i].stdDev1.g, 0.05f, 2.0f);
     {
         private class Styles
         {
-            public readonly GUIContent sssCategory              = new GUIContent("Subsurface scattering");
-            public readonly GUIContent sssProfileStdDev1        = new GUIContent("Standard deviation #1", "Determines the shape of the 1st Gaussian filter. Increases the strength and the radius of the blur of the corresponding color channel.");
-            public readonly GUIContent sssProfileStdDev2        = new GUIContent("Standard deviation #2", "Determines the shape of the 2nd Gaussian filter. Increases the strength and the radius of the blur of the corresponding color channel.");
-            public readonly GUIContent sssProfileLerpWeight     = new GUIContent("Filter interpolation", "Controls linear interpolation between the two Gaussian filters.");
-            public readonly GUIContent sssProfileTransmittance  = new GUIContent("Enable transmittance", "Toggles simulation of light passing through thin objects. Depends on the thickness of the material.");
-            public readonly GUIContent sssProfileThicknessScale = new GUIContent("Thickness scale", "Linearly scales the thickness of the object which affects the amount of transmitted lighting.");
+            public readonly GUIContent category              = new GUIContent("Subsurface scattering parameters");
+            public readonly GUIContent[] profiles            = new GUIContent[SubsurfaceScatteringParameters.maxNumProfiles] { new GUIContent("Profile #0"), new GUIContent("Profile #1"), new GUIContent("Profile #2"), new GUIContent("Profile #3"), new GUIContent("Profile #4"), new GUIContent("Profile #5"), new GUIContent("Profile #6"), new GUIContent("Profile #7") };
+            public readonly GUIContent profilePreview        = new GUIContent("Profile preview. Note that the intensity of the region in the center may be clamped.");
+            public readonly GUIContent numProfiles           = new GUIContent("Number of profiles");
+            public readonly GUIContent profileStdDev1        = new GUIContent("Standard deviation #1", "Determines the shape of the 1st Gaussian filter. Increases the strength and the radius of the blur of the corresponding color channel.");
+            public readonly GUIContent profileStdDev2        = new GUIContent("Standard deviation #2", "Determines the shape of the 2nd Gaussian filter. Increases the strength and the radius of the blur of the corresponding color channel.");
+            public readonly GUIContent profileLerpWeight     = new GUIContent("Filter interpolation",  "Controls linear interpolation between the two Gaussian filters.");
+            public readonly GUIContent profileTransmission   = new GUIContent("Enable transmission",   "Toggles simulation of light passing through thin objects. Depends on the thickness of the material.");
+            public readonly GUIContent profileThicknessScale = new GUIContent("Thickness scale",       "Linearly scales the object thickness which affects the amount of transmitted lighting.");
-        private static Styles s_Styles;
+        private static Styles      s_Styles;
+        private SerializedProperty m_EnableSSS, m_Profiles, m_NumProfiles;
+        private Material           m_ProfileMaterial;
+        private RenderTexture[]    m_ProfileImages;
 
         // --- Public Methods ---
 
             }
         }
 
+        void OnEnable()
+        {
+            m_EnableSSS       = serializedObject.FindProperty("m_EnableSSS");
+            m_Profiles        = serializedObject.FindProperty("m_Profiles");
+            m_NumProfiles     = m_Profiles.FindPropertyRelative("Array.size");
+            m_ProfileMaterial = Utilities.CreateEngineMaterial("Hidden/HDRenderPipeline/DrawGaussianProfile");
+            m_ProfileImages   = new RenderTexture[SubsurfaceScatteringParameters.maxNumProfiles];
+
+            for (int i = 0; i < SubsurfaceScatteringParameters.maxNumProfiles; i++)
+            {
+                m_ProfileImages[i] = new RenderTexture(256, 256, 0, RenderTextureFormat.DefaultHDR);
+            }
+        }
+
-            SerializedProperty profiles = serializedObject.FindProperty("m_Profiles");
-
-            EditorGUILayout.PropertyField(profiles, true);
+
+            // Validate the data before displaying it.
+            ((SubsurfaceScatteringParameters)serializedObject.targetObject).OnValidate();
+
+            EditorGUILayout.LabelField(styles.category, EditorStyles.boldLabel);
+
+            EditorGUILayout.PropertyField(m_EnableSSS);
+            EditorGUILayout.PropertyField(m_NumProfiles, styles.numProfiles);
+            EditorGUILayout.PropertyField(m_Profiles);
+
+            if (m_Profiles.isExpanded)
+            {
+                EditorGUI.indentLevel++;
+
+                for (int i = 0, n = Math.Min(m_Profiles.arraySize, SubsurfaceScatteringParameters.maxNumProfiles); i < n; i++)
+                {
+                    SerializedProperty profile = m_Profiles.GetArrayElementAtIndex(i);
+			        EditorGUILayout.PropertyField(profile, styles.profiles[i]);
+
+                    if (profile.isExpanded)
+                    {
+                        EditorGUI.indentLevel++;
+
+                        SerializedProperty profileStdDev1        = profile.FindPropertyRelative("stdDev1");
+                        SerializedProperty profileStdDev2        = profile.FindPropertyRelative("stdDev2");
+                        SerializedProperty profileLerpWeight     = profile.FindPropertyRelative("lerpWeight");
+                        SerializedProperty profileTransmission   = profile.FindPropertyRelative("enableTransmission");
+                        SerializedProperty profileThicknessScale = profile.FindPropertyRelative("thicknessScale");
+
+                        EditorGUILayout.PropertyField(profileStdDev1,        styles.profileStdDev1);
+                        EditorGUILayout.PropertyField(profileStdDev2,        styles.profileStdDev2);
+                        EditorGUILayout.PropertyField(profileLerpWeight,     styles.profileLerpWeight);
+                        EditorGUILayout.PropertyField(profileTransmission,   styles.profileTransmission);
+                        EditorGUILayout.PropertyField(profileThicknessScale, styles.profileThicknessScale);
+
+                        EditorGUILayout.Space();
+
+                        // Draw the profile.
+                        m_ProfileMaterial.SetColor("_StdDev1",    profileStdDev1.colorValue);
+                        m_ProfileMaterial.SetColor("_StdDev2",    profileStdDev2.colorValue);
+                        m_ProfileMaterial.SetFloat("_LerpWeight", profileLerpWeight.floatValue);
+                        EditorGUI.DrawPreviewTexture(GUILayoutUtility.GetRect(256, 256), m_ProfileImages[i], m_ProfileMaterial, ScaleMode.ScaleToFit);
+
+                        EditorGUILayout.Space();
+                        EditorGUILayout.LabelField(styles.profilePreview, EditorStyles.centeredGreyMiniLabel);
+                        EditorGUILayout.Space();
+
+                        EditorGUI.indentLevel--;
+                    }
+		        }
+
+                EditorGUI.indentLevel--;
+            }
+
             if (EditorGUI.EndChangeCheck())
             {
                 // Serialization does not invoke setters, but does call OnValidate().

Assets/ScriptableRenderPipeline/HDRenderPipeline/Utilities.cs

     public enum StencilBits
     {
         None      = 0,
-        Standard  = 1 + Lit.MaterialId.LitStandard,
-        SSS       = 1 + Lit.MaterialId.LitSSS,
-        ClearCoat = 1 + Lit.MaterialId.LitClearCoat,
+        SSS       = 0 + Lit.MaterialId.LitSSS,       // 1
+        Standard  = 2 + Lit.MaterialId.LitStandard,  // 2
+        ClearCoat = 1 + Lit.MaterialId.LitClearCoat, // 3
         All       = 255 // 0xff
     }
 

Assets/TestScenes/FPTL/Materials/Custom_NewSurfaceShader.mat

   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
   m_Name: Custom_NewSurfaceShader
-  m_Shader: {fileID: 46, guid: 0000000000000000f000000000000000, type: 0}
+  m_Shader: {fileID: 0}
+  m_EnableInstancingVariants: 0
+  disabledShaderPasses: []
-    serializedVersion: 2
+    serializedVersion: 3
-    - first:
-        name: _BumpMap
-      second:
+    - _BumpMap:
-    - first:
-        name: _DetailAlbedoMap
-      second:
+    - _DetailAlbedoMap:
-    - first:
-        name: _DetailMask
-      second:
+    - _DetailMask:
-    - first:
-        name: _DetailNormalMap
-      second:
+    - _DetailNormalMap:
-    - first:
-        name: _EmissionMap
-      second:
+    - _EmissionMap:
-    - first:
-        name: _MainTex
-      second:
+    - _MainTex:
-    - first:
-        name: _MetallicGlossMap
-      second:
+    - _MetallicGlossMap:
-    - first:
-        name: _OcclusionMap
-      second:
+    - _OcclusionMap:
-    - first:
-        name: _ParallaxMap
-      second:
+    - _ParallaxMap:
-    - first:
-        name: _SpecGlossMap
-      second:
+    - _SpecGlossMap:
-    - first:
-        name: _BumpScale
-      second: 1
-    - first:
-        name: _Cutoff
-      second: 0.5
-    - first:
-        name: _DetailNormalMapScale
-      second: 1
-    - first:
-        name: _DstBlend
-      second: 0
-    - first:
-        name: _GlossMapScale
-      second: 1
-    - first:
-        name: _Glossiness
-      second: 0.258
-    - first:
-        name: _GlossyReflections
-      second: 1
-    - first:
-        name: _Metallic
-      second: 0
-    - first:
-        name: _Mode
-      second: 0
-    - first:
-        name: _OcclusionStrength
-      second: 1
-    - first:
-        name: _Parallax
-      second: 0.02
-    - first:
-        name: _SmoothnessTextureChannel
-      second: 0
-    - first:
-        name: _SpecularHighlights
-      second: 1
-    - first:
-        name: _SrcBlend
-      second: 1
-    - first:
-        name: _UVSec
-      second: 0
-    - first:
-        name: _ZWrite
-      second: 1
+    - _BumpScale: 1
+    - _Cutoff: 0.5
+    - _DetailNormalMapScale: 1
+    - _DstBlend: 0
+    - _GlossMapScale: 1
+    - _Glossiness: 0.258
+    - _GlossyReflections: 1
+    - _Metallic: 0
+    - _Mode: 0
+    - _OcclusionStrength: 1
+    - _Parallax: 0.02
+    - _SmoothnessTextureChannel: 0
+    - _SpecularHighlights: 1
+    - _SrcBlend: 1
+    - _UVSec: 0
+    - _ZWrite: 1
-    - first:
-        name: _Color
-      second: {r: 1, g: 1, b: 1, a: 1}
-    - first:
-        name: _EmissionColor
-      second: {r: 0, g: 0, b: 0, a: 1}
-    - first:
-        name: _SpecColor
-      second: {r: 1, g: 1, b: 1, a: 1}
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
+    - _SpecColor: {r: 1, g: 1, b: 1, a: 1}

Assets/TestScenes/FPTL/Materials/gray.mat

   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
   m_Name: gray
-  m_Shader: {fileID: 45, guid: 0000000000000000f000000000000000, type: 0}
+  m_Shader: {fileID: 0}
+  m_EnableInstancingVariants: 0
+  disabledShaderPasses: []
-    serializedVersion: 2
+    serializedVersion: 3
-    - first:
-        name: _AlternateLightMap
-      second:
+    - _AlternateLightMap:
-    - first:
-        name: _BumpMap
-      second:
+    - _BumpMap:
-    - first:
-        name: _DetailAlbedoMap
-      second:
+    - _DetailAlbedoMap:
-    - first:
-        name: _DetailMask
-      second:
+    - _DetailMask:
-    - first:
-        name: _DetailNormalMap
-      second:
+    - _DetailNormalMap:
-    - first:
-        name: _EmissionMap
-      second:
+    - _EmissionMap:
-    - first:
-        name: _MainTex
-      second:
+    - _MainTex:
-    - first:
-        name: _MetallicGlossMap
-      second:
+    - _MetallicGlossMap:
-    - first:
-        name: _OcclusionMap
-      second:
+    - _OcclusionMap:
-    - first:
-        name: _ParallaxMap
-      second:
+    - _ParallaxMap:
-    - first:
-        name: _SpecGlossMap
-      second:
+    - _SpecGlossMap:
-    - first:
-        name: g_tOverrideLightmap
-      second:
+    - g_tOverrideLightmap:
-    - first:
-        name: _BumpScale
-      second: 1
-    - first:
-        name: _Cutoff
-      second: 0.5
-    - first:
-        name: _DetailNormalMapScale
-      second: 1
-    - first:
-        name: _DstBlend
-      second: 0
-    - first:
-        name: _GlossMapScale
-      second: 1
-    - first:
-        name: _Glossiness
-      second: 0.825
-    - first:
-        name: _GlossyReflections
-      second: 1
-    - first:
-        name: _Metallic
-      second: 0
-    - first:
-        name: _Mode
-      second: 0
-    - first:
-        name: _OcclusionStrength
-      second: 1
-    - first:
-        name: _OcclusionStrengthDirectDiffuse
-      second: 1
-    - first:
-        name: _OcclusionStrengthDirectSpecular
-      second: 1
-    - first:
-        name: _OcclusionStrengthIndirectDiffuse
-      second: 1
-    - first:
-        name: _OcclusionStrengthIndirectSpecular
-      second: 1
-    - first:
-        name: _Parallax
-      second: 0.02
-    - first:
-        name: _SmoothnessTextureChannel
-      second: 0
-    - first:
-        name: _SpecularHighlights
-      second: 1
-    - first:
-        name: _SpecularMode
-      second: 2
-    - first:
-        name: _SrcBlend
-      second: 1
-    - first:
-        name: _UVSec
-      second: 0
-    - first:
-        name: _ZWrite
-      second: 1
-    - first:
-        name: g_bEnableMetallic
-      second: 0
-    - first:
-        name: g_bReceiveShadows
-      second: 1
-    - first:
-        name: g_bUnlit
-      second: 0
-    - first:
-        name: g_bWorldAlignedTexture
-      second: 0
-    - first:
-        name: g_flCubeMapScalar
-      second: 1
-    - first:
-        name: g_flReflectanceBias
-      second: 0
-    - first:
-        name: g_flReflectanceMax
-      second: 1
-    - first:
-        name: g_flReflectanceMin
-      second: 0
-    - first:
-        name: g_flReflectanceScale
-      second: 1
+    - _BumpScale: 1
+    - _Cutoff: 0.5
+    - _DetailNormalMapScale: 1
+    - _DstBlend: 0
+    - _GlossMapScale: 1
+    - _Glossiness: 0.825
+    - _GlossyReflections: 1
+    - _Metallic: 0
+    - _Mode: 0
+    - _OcclusionStrength: 1
+    - _OcclusionStrengthDirectDiffuse: 1
+    - _OcclusionStrengthDirectSpecular: 1
+    - _OcclusionStrengthIndirectDiffuse: 1
+    - _OcclusionStrengthIndirectSpecular: 1
+    - _Parallax: 0.02
+    - _SmoothnessTextureChannel: 0
+    - _SpecularHighlights: 1
+    - _SpecularMode: 2
+    - _SrcBlend: 1
+    - _UVSec: 0
+    - _ZWrite: 1
+    - g_bEnableMetallic: 0
+    - g_bReceiveShadows: 1
+    - g_bUnlit: 0
+    - g_bWorldAlignedTexture: 0
+    - g_flCubeMapScalar: 1
+    - g_flReflectanceBias: 0
+    - g_flReflectanceMax: 1
+    - g_flReflectanceMin: 0
+    - g_flReflectanceScale: 1
-    - first:
-        name: _Color
-      second: {r: 1, g: 1, b: 1, a: 1}
-    - first:
-        name: _EmissionColor
-      second: {r: 0, g: 0, b: 0, a: 1}
-    - first:
-        name: _SpecColor
-      second: {r: 1, g: 1, b: 1, a: 1}
-    - first:
-        name: g_vWorldAlignedNormalTangentU
-      second: {r: -1, g: 0, b: 0, a: 0}
-    - first:
-        name: g_vWorldAlignedNormalTangentV
-      second: {r: 0, g: 0, b: 1, a: 0}
-    - first:
-        name: g_vWorldAlignedTextureNormal
-      second: {r: 0, g: 1, b: 0, a: 0}
-    - first:
-        name: g_vWorldAlignedTexturePosition
-      second: {r: 0, g: 0, b: 0, a: 0}
-    - first:
-        name: g_vWorldAlignedTextureSize
-      second: {r: 1, g: 1, b: 1, a: 0}
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
+    - _SpecColor: {r: 1, g: 1, b: 1, a: 1}
+    - g_vWorldAlignedNormalTangentU: {r: -1, g: 0, b: 0, a: 0}
+    - g_vWorldAlignedNormalTangentV: {r: 0, g: 0, b: 1, a: 0}
+    - g_vWorldAlignedTextureNormal: {r: 0, g: 1, b: 0, a: 0}
+    - g_vWorldAlignedTexturePosition: {r: 0, g: 0, b: 0, a: 0}
+    - g_vWorldAlignedTextureSize: {r: 1, g: 1, b: 1, a: 0}

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Lit_Blue.mat

   m_PrefabInternal: {fileID: 0}
   m_Name: Lit_Blue
   m_Shader: {fileID: 4800000, guid: 6e4ae4064600d784cac1e41a9e6f2e59, type: 3}
-  m_ShaderKeywords: _ALPHACUTOFFENABLE_OFF _DETAIL_MAP_WITH_NORMAL _DISTORTIONDEPTHTEST_OFF
-    _DISTORTIONONLY_OFF _EMISSION _NORMALMAP_TANGENT_SPACE
+  m_ShaderKeywords: _NORMALMAP_TANGENT_SPACE
   m_LightmapFlags: 1
   m_EnableInstancingVariants: 0
   m_CustomRenderQueue: -1
     - _SmoothnessTextureChannel: 0
     - _SpecularHighlights: 1
     - _SrcBlend: 1
-    - _StencilRef: 1
+    - _StencilRef: 2
     - _SubSurfaceRadius: 0
     - _SubsurfaceProfile: 0
     - _SubsurfaceRadius: 1
     m_Colors:
     - _BaseColor: {r: 0, g: 0, b: 1, a: 1}
     - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _DoubleSidedConstants: {r: 1, g: 1, b: -1, a: 0}
     - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
     - _EmissiveColor: {r: 0, g: 0, b: 0, a: 1}
     - _UVDetailsMappingMask: {r: 1, g: 0, b: 0, a: 0}

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Lit_Green.mat

   m_PrefabInternal: {fileID: 0}
   m_Name: Lit_Green
   m_Shader: {fileID: 4800000, guid: 6e4ae4064600d784cac1e41a9e6f2e59, type: 3}
-  m_ShaderKeywords: _ALPHACUTOFFENABLE_OFF _DETAIL_MAP_WITH_NORMAL _DISTORTIONDEPTHTEST_OFF
-    _DISTORTIONONLY_OFF _EMISSION _NORMALMAP_TANGENT_SPACE
+  m_ShaderKeywords: _NORMALMAP_TANGENT_SPACE
   m_LightmapFlags: 1
   m_EnableInstancingVariants: 0
   m_CustomRenderQueue: -1
     - _SmoothnessTextureChannel: 0
     - _SpecularHighlights: 1
     - _SrcBlend: 1
-    - _StencilRef: 1
+    - _StencilRef: 2
     - _SubSurfaceRadius: 0
     - _SubsurfaceProfile: 0
     - _SubsurfaceRadius: 1
     m_Colors:
     - _BaseColor: {r: 0, g: 1, b: 0, a: 1}
     - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _DoubleSidedConstants: {r: 1, g: 1, b: -1, a: 0}
     - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
     - _EmissiveColor: {r: 0, g: 0, b: 0, a: 1}
     - _UVDetailsMappingMask: {r: 1, g: 0, b: 0, a: 0}

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Lit_Red.mat

   m_PrefabInternal: {fileID: 0}
   m_Name: Lit_Red
   m_Shader: {fileID: 4800000, guid: 6e4ae4064600d784cac1e41a9e6f2e59, type: 3}
-  m_ShaderKeywords: _ALPHACUTOFFENABLE_OFF _DETAIL_MAP_WITH_NORMAL _DISTORTIONDEPTHTEST_OFF
-    _DISTORTIONONLY_OFF _EMISSION _NORMALMAP_TANGENT_SPACE _SPECULAROCCLUSIONMAP
+  m_ShaderKeywords: _NORMALMAP_TANGENT_SPACE _SPECULAROCCLUSIONMAP
   m_LightmapFlags: 1
   m_EnableInstancingVariants: 0
   m_CustomRenderQueue: -1
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
+    - _SubsurfaceRadiusMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _ThicknessMap:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
     - _DistortionDepthTest: 0
     - _DistortionEnable: 0
     - _DistortionOnly: 0
+    - _DoubleSidedEnable: 0
+    - _DoubleSidedMirrorEnable: 1
     - _DoubleSidedMode: 0
     - _DstBlend: 0
     - _EmissiveColorMode: 1
     - _HeightCenter: 0.5
     - _HeightMapMode: 0
     - _HeightScale: 1
+    - _HorizonFade: 1
-    - _StencilRef: 1
+    - _PPDLodThreshold: 5
     - _PPDMaxSamples: 15
     - _PPDMinSamples: 5
     - _Parallax: 0.02
     - _SrcBlend: 1
+    - _StencilRef: 2
+    - _SubsurfaceProfile: 0
+    - _SubsurfaceRadius: 1
+    - _Thickness: 1
     - _UVBase: 0
     - _UVDetail: 0
     - _UVMappingPlanar: 0
     m_Colors:
     - _BaseColor: {r: 1, g: 0, b: 0, a: 1}
     - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _DoubleSidedConstants: {r: 1, g: 1, b: -1, a: 0}
     - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
     - _EmissiveColor: {r: 0, g: 0, b: 0, a: 1}
     - _UVDetailsMappingMask: {r: 1, g: 0, b: 0, a: 0}

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Lit_White.mat

   m_PrefabInternal: {fileID: 0}
   m_Name: Lit_White
   m_Shader: {fileID: 4800000, guid: 6e4ae4064600d784cac1e41a9e6f2e59, type: 3}
-  m_ShaderKeywords: _ALPHACUTOFFENABLE_OFF _DETAIL_MAP_WITH_NORMAL _DISTORTIONDEPTHTEST_OFF
-    _DISTORTIONONLY_OFF _EMISSION _NORMALMAP_TANGENT_SPACE
+  m_ShaderKeywords: _NORMALMAP_TANGENT_SPACE
   m_LightmapFlags: 1
   m_EnableInstancingVariants: 0
   m_CustomRenderQueue: -1
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
+    - _SubsurfaceRadiusMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _ThicknessMap:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
     - _DistortionDepthTest: 0
     - _DistortionEnable: 0
     - _DistortionOnly: 0
+    - _DoubleSidedEnable: 0
+    - _DoubleSidedMirrorEnable: 1
     - _DoubleSidedMode: 0
     - _DstBlend: 0
     - _EmissiveColorMode: 1
     - _HeightCenter: 0.5
     - _HeightMapMode: 0
     - _HeightScale: 1
+    - _HorizonFade: 1
-    - _StencilRef: 1
+    - _PPDLodThreshold: 5
     - _PPDMaxSamples: 15
     - _PPDMinSamples: 5
     - _Parallax: 0.02
     - _SrcBlend: 1
+    - _StencilRef: 2
+    - _SubsurfaceProfile: 0
+    - _SubsurfaceRadius: 1
+    - _Thickness: 1
     - _UVBase: 0
     - _UVDetail: 0
     - _UVMappingPlanar: 0
     m_Colors:
     - _BaseColor: {r: 1, g: 1, b: 1, a: 1}
     - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _DoubleSidedConstants: {r: 1, g: 1, b: -1, a: 0}
     - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
     - _EmissiveColor: {r: 0, g: 0, b: 0, a: 1}
     - _UVDetailsMappingMask: {r: 1, g: 0, b: 0, a: 0}

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_0.mat

   m_PrefabInternal: {fileID: 0}
   m_Name: Mat_smooth0_0
   m_Shader: {fileID: 4800000, guid: 6e4ae4064600d784cac1e41a9e6f2e59, type: 3}
-  m_ShaderKeywords: _ALPHACUTOFFENABLE_OFF _DISTORTIONDEPTHTEST_OFF _DISTORTIONONLY_OFF
-    _EMISSION _NORMALMAP_TANGENT_SPACE
+  m_ShaderKeywords: _NORMALMAP_TANGENT_SPACE
   m_LightmapFlags: 1
   m_EnableInstancingVariants: 0
   m_CustomRenderQueue: -1
     - _SmoothnessTextureChannel: 0
     - _SpecularHighlights: 1
     - _SrcBlend: 1
-    - _StencilRef: 1
+    - _StencilRef: 2
     - _SubSurfaceRadius: 0
     - _SubsurfaceProfile: 0
     - _SubsurfaceRadius: 1
     m_Colors:
     - _BaseColor: {r: 1, g: 1, b: 1, a: 1}
     - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _DoubleSidedConstants: {r: 1, g: 1, b: -1, a: 0}
     - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
     - _EmissiveColor: {r: 0, g: 0, b: 0, a: 1}
     - _UVDetailsMappingMask: {r: 1, g: 0, b: 0, a: 0}

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_1.mat

   m_PrefabInternal: {fileID: 0}
   m_Name: Mat_smooth0_1
   m_Shader: {fileID: 4800000, guid: 6e4ae4064600d784cac1e41a9e6f2e59, type: 3}
-  m_ShaderKeywords: _ALPHACUTOFFENABLE_OFF _DISTORTIONDEPTHTEST_OFF _DISTORTIONONLY_OFF
-    _EMISSION _NORMALMAP_TANGENT_SPACE
+  m_ShaderKeywords: _NORMALMAP_TANGENT_SPACE
   m_LightmapFlags: 1
   m_EnableInstancingVariants: 0
   m_CustomRenderQueue: -1
     - _SmoothnessTextureChannel: 0
     - _SpecularHighlights: 1
     - _SrcBlend: 1
-    - _StencilRef: 1
+    - _StencilRef: 2
     - _SubSurfaceRadius: 0
     - _SubsurfaceProfile: 0
     - _SubsurfaceRadius: 1
     m_Colors:
     - _BaseColor: {r: 1, g: 1, b: 1, a: 1}
     - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _DoubleSidedConstants: {r: 1, g: 1, b: -1, a: 0}
     - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
     - _EmissiveColor: {r: 0, g: 0, b: 0, a: 1}
     - _UVDetailsMappingMask: {r: 1, g: 0, b: 0, a: 0}

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_2.mat

   m_PrefabInternal: {fileID: 0}
   m_Name: Mat_smooth0_2
   m_Shader: {fileID: 4800000, guid: 6e4ae4064600d784cac1e41a9e6f2e59, type: 3}
-  m_ShaderKeywords: _ALPHACUTOFFENABLE_OFF _DISTORTIONDEPTHTEST_OFF _DISTORTIONONLY_OFF
-    _EMISSION _NORMALMAP_TANGENT_SPACE
+  m_ShaderKeywords: _NORMALMAP_TANGENT_SPACE
   m_LightmapFlags: 1
   m_EnableInstancingVariants: 0
   m_CustomRenderQueue: -1
     - _SmoothnessTextureChannel: 0
     - _SpecularHighlights: 1
     - _SrcBlend: 1
-    - _StencilRef: 1
+    - _StencilRef: 2
     - _SubSurfaceRadius: 0
     - _SubsurfaceProfile: 0
     - _SubsurfaceRadius: 1
     m_Colors:
     - _BaseColor: {r: 1, g: 1, b: 1, a: 1}
     - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _DoubleSidedConstants: {r: 1, g: 1, b: -1, a: 0}
     - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_3.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_4.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_5.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_6.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_7.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_8.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_9.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth1_1.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_0.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_1.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_2.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_3.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_4.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_5.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_6.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_7.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_8.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_9.mat

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Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric1_0.mat

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Assets/TestScenes/HDTest/GraphicTest/LayeredTessellation/Layer-2-woord-rock.mat

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-    _LAYERMASKVERTEXCOLOR_OFF _NORMALMAP0 _NORMALMAP1 _NORMALMAP_TANGENT_SPACE _NORMALMAP_TANGENT_SPACE0
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-    _USEDENSITYMODE_OFF _USEHEIGHTBASEDBLENDV2_OFF _USEHEIGHTBASEDBLEND_OFF _USEMAINLAYERINFLUENCE_OFF
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     - _TessellationFactor: 4
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Assets/TestScenes/HDTest/GraphicTest/LayeredTessellation/Layer-2-woord-rock.mat.meta

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Assets/TestScenes/HDTest/GraphicTest/Parallax Occlusion Mapping/Material/POM - Rock.mat

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Assets/TestScenes/HDTest/GraphicTest/Parallax Occlusion Mapping/Material/POM - Wood.mat

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Assets/TestScenes/HDTest/GraphicTest/Tessellation/Material/Tessellation - Rock.mat

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Assets/TestScenes/HDTest/GraphicTest/Tessellation/Material/Tessellation - Wood.mat

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   m_EnableInstancingVariants: 0
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     - _DistortionDepthTest: 0
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     - _PPDMinSamples: 1
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     - _SrcBlend: 1
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     - _TessellationBackFaceCullEpsilon: -0.25
     - _TessellationFactor: 15
     - _TessellationObjectScale: 0
     - _TessellationShapeFactor: 0.75
     - _TexWorldScale: 1
+    - _Thickness: 1
     - _UVBase: 0
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     m_Colors:
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     - _Color: {r: 1, g: 1, b: 1, a: 1}
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Assets/TestScenes/HDTest/GraphicTest/Two Sided/Material/GroundLeaf_DoubleSided.mat

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   m_Shader: {fileID: 4800000, guid: c4edd00ff2db5b24391a4fcb1762e459, type: 3}
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-    _NORMALMAP _NORMALMAP_TANGENT_SPACE _TESSELLATIONOBJECTSCALE_OFF _TESSELLATION_DISPLACEMENT
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-  m_CustomRenderQueue: -1
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+  m_CustomRenderQueue: 2450
+  stringTagMap:
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   disabledShaderPasses:
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   m_SavedProperties:

Assets/TestScenes/HDTest/GraphicTest/Two Sided/Material/GroundLeaf_DoubleSidedFlip.mat

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   m_Shader: {fileID: 4800000, guid: 6e4ae4064600d784cac1e41a9e6f2e59, type: 3}
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-    _DISTORTIONENABLE_OFF _DISTORTIONONLY_OFF _DOUBLESIDED_LIGHTING_FLIP _DOUBLESIDED_ON
-    _EMISSION _ENABLEPERPIXELDISPLACEMENT_OFF _MASKMAP _METALLICGLOSSMAP _NORMALMAP
-    _NORMALMAP_TANGENT_SPACE _TESSELLATIONOBJECTSCALE_OFF _TESSELLATION_DISPLACEMENT
+  m_ShaderKeywords: _ALPHATEST_ON _DOUBLESIDED_ON _MASKMAP _NORMALMAP _NORMALMAP_TANGENT_SPACE
   m_LightmapFlags: 1
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     - _SmoothnessTextureChannel: 0
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+    - _StencilRef: 2
     - _SubsurfaceProfile: 0
     - _SubsurfaceRadius: 1
     - _SurfaceType: 0

Assets/TestScenes/HDTest/GraphicTest/Two Sided/Material/GroundLeaf_DoubleSidedMirror.mat

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-    _TESSELLATIONOBJECTSCALE_OFF _TESSELLATION_DISPLACEMENT
+  m_ShaderKeywords: _ALPHATEST_ON _MASKMAP _NORMALMAP _NORMALMAP_TANGENT_SPACE
   m_LightmapFlags: 1
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   m_CustomRenderQueue: 2450
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         m_Offset: {x: 0, y: 0}
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     - _AlphaCutoffEnable: 1
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+    - _CullMode: 2
     - _Cutoff: 0.5
     - _DepthOffsetEnable: 0
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     - _DistortionOnly: 0
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     - _DstBlend: 0
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     - _TessellationBackFaceCullEpsilon: -0.375
     - _TessellationFactor: 4
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     - _TessellationShapeFactor: 0.75
     - _TexWorldScale: 1
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     - _Color: {r: 0.5882353, g: 0.5882353, b: 0.5882353, a: 1}
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Assets/TestScenes/HDTest/GraphicTest/Unlit/Material/TestUnlit Mask.mat

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     - _DistortionDepthTest: 0
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+    - _DoubleSidedEnable: 0
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     - _EmissiveIntensity: 0

Assets/TestScenes/HDTest/GraphicTest/Unlit/Material/TestUnlit Transparent.mat

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     - _DistortionOnly: 0
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Assets/TestScenes/HDTest/GraphicTest/Unlit/Material/TestUnlit.mat

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     - _DistortionOnly: 0
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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/CubeTransparent.mat

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   m_CustomRenderQueue: 3000
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         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
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         m_Offset: {x: 0, y: 0}
     - _DistortionDepthTest: 0
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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s00.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s01.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s02.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s03.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s04.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s05.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s06.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s07.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s08.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s09.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s10.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a02_s00.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a02_s01.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a02_s02.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a02_s03.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a02_s04.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a02_s05.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a02_s06.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a02_s07.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a02_s08.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a02_s09.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a02_s10.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a04_s00.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a04_s01.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a04_s02.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a04_s03.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a04_s04.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a04_s05.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a04_s06.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a04_s07.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a04_s08.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a04_s09.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a04_s10.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a06_s00.mat

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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a06_s01.mat

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     - _BaseColor: {r: 1, g: 1, b: 1, a: 1}
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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a06_s02.mat

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     - _BaseColor: {r: 1, g: 1, b: 1, a: 1}
     - _Color: {r: 0.5019608, g: 0.5019608, b: 0.5019608, a: 1}
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     - _EmissiveColor: {r: 0, g: 0, b: 0, a: 1}
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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a06_s03.mat

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     m_Colors:
     - _BaseColor: {r: 1, g: 1, b: 1, a: 1}
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     - _EmissiveColor: {r: 0, g: 0, b: 0, a: 1}
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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a06_s04.mat

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     m_Colors:
     - _BaseColor: {r: 1, g: 1, b: 1, a: 1}
     - _Color: {r: 0.5019608, g: 0.5019608, b: 0.5019608, a: 1}
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     - _EmissiveColor: {r: 0, g: 0, b: 0, a: 1}
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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a06_s05.mat

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     - _SubsurfaceRadius: 1
     m_Colors:
     - _BaseColor: {r: 1, g: 1, b: 1, a: 1}
     - _Color: {r: 0.5019608, g: 0.5019608, b: 0.5019608, a: 1}
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     - _EmissiveColor: {r: 0, g: 0, b: 0, a: 1}
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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a06_s06.mat

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     - _SpecularHighlights: 1
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     m_Colors:
     - _BaseColor: {r: 1, g: 1, b: 1, a: 1}
     - _Color: {r: 0.5019608, g: 0.5019608, b: 0.5019608, a: 1}
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     - _EmissiveColor: {r: 0, g: 0, b: 0, a: 1}
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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a06_s07.mat

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     - _SpecularHighlights: 1
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     m_Colors:
     - _BaseColor: {r: 1, g: 1, b: 1, a: 1}
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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a06_s08.mat

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     m_Colors:
     - _BaseColor: {r: 1, g: 1, b: 1, a: 1}
     - _Color: {r: 0.5019608, g: 0.5019608, b: 0.5019608, a: 1}
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     - _EmissiveColor: {r: 0, g: 0, b: 0, a: 1}
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Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a06_s09.mat

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-  m_ShaderKeywords: _ALPHACUTOFFENABLE_OFF _DISTORTIONDEPTHTEST_OFF _DISTORTIONONLY_OFF
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   m_CustomRenderQueue: -1
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     - _SpecularHighlights: 1
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     - _SubsurfaceRadius: 1
     m_Colors:
     - _BaseColor: {r: 1, g: 1, b: 1, a: 1}
     - _Color: {r: 0.5019608, g: 0.5019608, b: 0.5019608, a: 1}
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