Fixed the engergy conservation problem when pbr mode is toon.

Editor/MeterialEditor/Helpers/MaterialHelpers.cs

@@ -26,6 +26,16 @@ namespace Misaki.HdrpToon.Editor
             return (PBRMode)material.GetInteger(SurfaceOptions.PBR_MODE);
         }
 
+        public static MaterialType GetMaterialType(this Material material)
+        {
+            if (!material.HasProperty(SurfaceOptions.MATERIAL_TYPE))
+            {
+                return MaterialType.Standard;
+            }
+
+            return (MaterialType)material.GetInteger(SurfaceOptions.MATERIAL_TYPE);
+        }
+
         public static bool HasFeature(this Material material, SurfaceFeature feature)
         {
             if (!material.HasProperty(SurfaceOptions.SURFACE_FEATURE))
@@ -36,5 +46,10 @@ namespace Misaki.HdrpToon.Editor
             var value = (SurfaceFeature)material.GetInteger(SurfaceOptions.SURFACE_FEATURE);
             return (value & feature) != 0;
         }
+
+        public static bool IsHairBlendingTarget(this Material material)
+        {
+            return material.GetShaderPassEnabled(UtsShaderPassName.HAIR_BLENDING_TARGET_PASS_NAME);
+        }
     }
 }

Editor/MeterialEditor/UIScopes/AdvanceScope.cs

@@ -10,6 +10,8 @@ namespace Misaki.HdrpToon.Editor
     {
         private static class Properties
         {
+            public static MaterialProperty diffuseMin;
+
             public static MaterialProperty lightIntensityMultiplier;
             public static MaterialProperty clampLightColor;
 
@@ -18,6 +20,8 @@ namespace Misaki.HdrpToon.Editor
 
         private static class Styles
         {
+            public static readonly GUIContent diffuseMinText = new("Minimal diffuse contribution", "Specifies the minimum contribution of the base color to the diffuse light. Keep it 0 to make sure energy conservation.");
+
             public static readonly GUIContent lightIntensityMultiplierText = new("Light Intensity Multiplier", "Specifies the intensity multiplier of the light.");
             public static readonly GUIContent clampLightColorText = new("Clamp Light Color", "Specifies whether to clamp the light color.");
 
@@ -30,6 +34,8 @@ namespace Misaki.HdrpToon.Editor
 
         public override void LoadMaterialProperties()
         {
+            Properties.diffuseMin = FindProperty(MINIMAL_DIFFUSE_CONTRIBUTION);
+
             Properties.lightIntensityMultiplier = FindProperty(LIGHT_INTENSITY_MULTIPLIER);
             Properties.clampLightColor = FindProperty(CLAMP_LIGHT_COLOR);
 
@@ -38,10 +44,12 @@ namespace Misaki.HdrpToon.Editor
 
         protected override void DrawContent()
         {
+            editor.ShaderProperty(Properties.diffuseMin, Styles.diffuseMinText);
+
             editor.ShaderProperty(Properties.lightIntensityMultiplier, Styles.lightIntensityMultiplierText);
             editor.ShaderProperty(Properties.clampLightColor, Styles.clampLightColorText);
 
             editor.ShaderProperty(Properties.lightLoopMode, Styles.lightLoopModeText);
         }
     }
-}
+}

Editor/MeterialEditor/UIScopes/AmbientScope.cs

@@ -17,6 +17,10 @@ namespace Misaki.HdrpToon.Editor
             public static MaterialProperty indirectDiffuseMatCapMap;
             public static MaterialProperty indirectDiffuseMatCapLod;
 
+            public static MaterialProperty indirectDiffuseRampMap;
+            public static MaterialProperty indirectDiffuseRampIndex;
+            public static MaterialProperty indirectDiffuseRampPosition;
+
             public static MaterialProperty indirectDiffuseIntensity;
             public static MaterialProperty ssaoWeight;
             public static MaterialProperty ssgiWeight;
@@ -35,6 +39,9 @@ namespace Misaki.HdrpToon.Editor
 
             public static readonly GUIContent indirectDiffuseMatCapMapText = new("MatCap Map", "The material capture map for indirect diffuse evaluation, with the additional setting for controlling the LOD offset when sampling the indirect diffuse material capture map.");
 
+            public static readonly GUIContent indirectDiffuseRampMapText = new("Ramp Map", "The ramp map for indirect diffuse evaluation, with the additional setting for controlling the sampling index of the ramp map.");
+            public static readonly GUIContent indirectDiffuseRampPositionText = new("Ramp Position", "The ramp position for indirect diffuse evaluation.");
+
             public static readonly GUIContent indirectDiffuseIntensityText = new("Intensity", "The indirect diffuse color is added to the material color according to the intensity value.");
             public static readonly GUIContent ssaoWeightText = new("SSAO Weight", "The weight of SSAO.");
             public static readonly GUIContent ssgiWeightText = new("SSGI Weight", "The weight of SSGI.");
@@ -53,6 +60,10 @@ namespace Misaki.HdrpToon.Editor
             Properties.indirectDiffuseMatCapMap = FindProperty("_IndirectDiffuseMatCapMap");
             Properties.indirectDiffuseMatCapLod = FindProperty("_IndirectDiffuseMatCapLod");
 
+            Properties.indirectDiffuseRampMap = FindProperty("_IndirectDiffuseRampMap");
+            Properties.indirectDiffuseRampIndex = FindProperty("_IndirectDiffuseRampIndex");
+            Properties.indirectDiffuseRampPosition = FindProperty("_IndirectDiffuseRampPosition");
+
             Properties.indirectDiffuseIntensity = FindProperty("_IndirectDiffuseIntensity");
             Properties.ssaoWeight = FindProperty("_SSAOWeight");
             Properties.ssgiWeight = FindProperty("_SSGIWeight");
@@ -64,6 +75,36 @@ namespace Misaki.HdrpToon.Editor
             Properties.ssrWeight = FindProperty("_SSRWeight");
         }
 
+        private static void DrawIndirectDiffuseHeader()
+        {
+            EditorGUILayout.Space();
+            using var indentLevelScope = new EditorGUI.IndentLevelScope(-1);
+            EditorGUILayout.LabelField("Indirect Diffuse", EditorStyles.boldLabel);
+        }
+
+        private void DrawIndirectDiffuseProperties()
+        {
+            EditorGUILayout.Space();
+            editor.ShaderProperty(Properties.indirectDiffuseIntensity, Styles.indirectDiffuseIntensityText);
+            editor.ShaderProperty(Properties.ssaoWeight, Styles.ssaoWeightText);
+        }
+
+        private void DrawIndirectSpecularProperties()
+        {
+            EditorGUILayout.Space();
+            editor.ShaderProperty(Properties.indirectReflectionIntensity, Styles.indirectReflectionIntensityText);
+            editor.ShaderProperty(Properties.ssrWeight, Styles.ssrWeightText);
+        }
+
+        private static void DrawIndirectSpecularHeader()
+        {
+            EditorGUILayout.Space();
+            using (var indentLevelScope = new EditorGUI.IndentLevelScope(-1))
+            {
+                EditorGUILayout.LabelField("Indirect Specular", EditorStyles.boldLabel);
+            }
+        }
+
         protected override void DrawContent()
         {
             editor.ShaderProperty(Properties.indirectDiffuseMode, Styles.indirectDiffuseModeText);
@@ -74,41 +115,43 @@ namespace Misaki.HdrpToon.Editor
 
             if (indirectDiffuseMode != IndirectDiffuseMode.Off)
             {
-                EditorGUILayout.Space();
-                using (var indentLevelScope = new EditorGUI.IndentLevelScope(-1))
+                DrawIndirectDiffuseHeader();
+
+                switch (indirectDiffuseMode)
                 {
-                    EditorGUILayout.LabelField("Indirect Diffuse", EditorStyles.boldLabel);
+                    case IndirectDiffuseMode.IBL:
+                        editor.ShaderProperty(Properties.ssgiWeight, Styles.ssgiWeightText);
+                        break;
+                    case IndirectDiffuseMode.Matcap:
+                        editor.TexturePropertySingleLine(Styles.indirectDiffuseMatCapMapText, Properties.indirectDiffuseMatCapMap, Properties.indirectDiffuseMatCapLod);
+                        break;
+                    case IndirectDiffuseMode.Ramp:
+                        editor.TexturePropertySingleLine(Styles.indirectDiffuseRampMapText, Properties.indirectDiffuseRampMap, Properties.indirectDiffuseRampIndex);
+                        editor.ShaderProperty(Properties.indirectDiffuseRampPosition, Styles.indirectDiffuseRampPositionText);
+                        break;
+                    default:
+                        break;
                 }
 
-                if (indirectDiffuseMode == IndirectDiffuseMode.Matcap)
-                {
-                    editor.TexturePropertySingleLine(Styles.indirectDiffuseMatCapMapText, Properties.indirectDiffuseMatCapMap, Properties.indirectDiffuseMatCapLod);
-                }
-
-                editor.ShaderProperty(Properties.indirectDiffuseIntensity, Styles.indirectDiffuseIntensityText);
-                editor.ShaderProperty(Properties.ssaoWeight, Styles.ssaoWeightText);
-
-                if (indirectDiffuseMode == IndirectDiffuseMode.IBL)
-                {
-                    editor.ShaderProperty(Properties.ssgiWeight, Styles.ssgiWeightText);
-                }
+                DrawIndirectDiffuseProperties();
             }
 
-            if (indirectSpecularMode != (int)IndirectSpecularMode.Off)
+            if (indirectSpecularMode != IndirectSpecularMode.Off)
             {
-                EditorGUILayout.Space();
-                using (var indentLevelScope = new EditorGUI.IndentLevelScope(-1))
+                DrawIndirectSpecularHeader();
+
+                switch (indirectSpecularMode)
                 {
-                    EditorGUILayout.LabelField("Indirect Specular", EditorStyles.boldLabel);
+                    case IndirectSpecularMode.IBL:
+                        break;
+                    case IndirectSpecularMode.Matcap:
+                        editor.TexturePropertySingleLine(Styles.indirectSpecularMatCapMapText, Properties.indirectSpecularMatCapMap, Properties.indirectSpecularMatCapLod);
+                        break;
+                    default:
+                        break;
                 }
 
-                if (indirectSpecularMode == IndirectSpecularMode.Matcap)
-                {
-                    editor.TexturePropertySingleLine(Styles.indirectSpecularMatCapMapText, Properties.indirectSpecularMatCapMap, Properties.indirectSpecularMatCapLod);
-                }
-
-                editor.ShaderProperty(Properties.indirectReflectionIntensity, Styles.indirectReflectionIntensityText);
-                editor.ShaderProperty(Properties.ssrWeight, Styles.ssrWeightText);
+                DrawIndirectSpecularProperties();
             }
         }
     }

Editor/MeterialEditor/UIScopes/ShadingColorScope.cs

@@ -34,6 +34,8 @@ namespace Misaki.HdrpToon.Editor
             public static MaterialProperty sdfShadowLevel;
             public static MaterialProperty sdfSmoothLevel;
             public static MaterialProperty sdfHighlightStrength;
+
+            public static MaterialProperty hairBlendingFactor;
         }
 
         private static class Styles
@@ -59,6 +61,8 @@ namespace Misaki.HdrpToon.Editor
             public static readonly GUIContent shadingRampMaskMapText = new("Shading Ramp Mask Map", "A texture that contains the mask for the shading ramp map.");
 
             public static readonly GUIContent sdfHighlightStrengthText = new("SDF Highlight Strength", "Control the strength of the highlight in the SDF shading map.");
+
+            public static readonly GUIContent hairBlendingFactorText = new("Hair Blending Factor", "The blending factor for hair shading.");
         }
 
         protected override ShaderGUIExpandable ExpandableBit => ShaderGUIExpandable.ShadingColor;
@@ -108,6 +112,8 @@ namespace Misaki.HdrpToon.Editor
             Properties.sdfShadowLevel = FindProperty("_SDFShadowLevel");
             Properties.sdfSmoothLevel = FindProperty("_SDFShadowSmoothLevel");
             Properties.sdfHighlightStrength = FindProperty("_SDFHighlightStrength");
+
+            Properties.hairBlendingFactor = FindProperty("_HairBlendingFactor");
         }
 
         protected override void DrawContent()
@@ -144,6 +150,12 @@ namespace Misaki.HdrpToon.Editor
                 editor.ShaderProperty(Properties.sdfHighlightStrength, Styles.sdfHighlightStrengthText);
             }
 
+            if (materials.All(material => material.GetMaterialType() == MaterialType.FrontHair))
+            {
+                EditorGUILayout.Space();
+                editor.ShaderProperty(Properties.hairBlendingFactor, Styles.hairBlendingFactorText);
+            }
+
             EditorGUILayout.Space();
             editor.TextureScaleOffsetProperty(Properties.baseColorMap);
         }

Editor/MeterialEditor/UIScopes/SurfaceInputsScope.cs

@@ -12,28 +12,30 @@ namespace Misaki.HdrpToon.Editor
     {
         private static class Properties
         {
-            public static MaterialProperty NormalMap;
-            public static MaterialProperty NormalMapScale;
+            public static MaterialProperty normalMap;
+            public static MaterialProperty normalMapScale;
 
-            public static MaterialProperty MaskMap;
-            public static MaterialProperty Metallic;
-            public static MaterialProperty MetallicRemapMin;
-            public static MaterialProperty MetallicRemapMax;
-            public static MaterialProperty AORemapMin;
-            public static MaterialProperty AORemapMax;
-            public static MaterialProperty Smoothness;
-            public static MaterialProperty SmoothnessRemapMin;
-            public static MaterialProperty SmoothnessRemapMax;
+            public static MaterialProperty maskMap;
+            public static MaterialProperty metallic;
+            public static MaterialProperty metallicRemapMin;
+            public static MaterialProperty metallicRemapMax;
+            public static MaterialProperty aoRemapMin;
+            public static MaterialProperty aoRemapMax;
+            public static MaterialProperty smoothness;
+            public static MaterialProperty smoothnessRemapMin;
+            public static MaterialProperty smoothnessRemapMax;
 
-            public static MaterialProperty AnisotropyMap;
-            public static MaterialProperty Anisotropy;
-            public static MaterialProperty KKColor;
-            public static MaterialProperty BSDFContribution;
+            public static MaterialProperty anisotropyMap;
+            public static MaterialProperty anisotropy;
+            public static MaterialProperty kkColor;
+            public static MaterialProperty bsdfContribution;
 
-            public static MaterialProperty SpecularColorMap;
-            public static MaterialProperty SpecularColor;
-            public static MaterialProperty SpecularFeather;
-            public static MaterialProperty SpecularStep;
+            public static MaterialProperty specularColorMap;
+            public static MaterialProperty specularColor;
+            public static MaterialProperty specularFeather;
+            public static MaterialProperty specularStep;
+
+            public static MaterialProperty hairBlendingMap;
 
             public static MaterialProperty emissiveColorLDR;
             public static MaterialProperty emissiveColorMap;
@@ -45,21 +47,23 @@ namespace Misaki.HdrpToon.Editor
 
         private static class Styles
         {
-            public static readonly GUIContent NormalMapText = new("Normal Map", "A texture that dictates the bumpiness of the material.");
-            public static readonly GUIContent MaskMapText = new("Mask Map", "A texture that dictates the physical properties of the material. R channel for metallic, G channel for ambient occlusion, A channel for smoothness");
-            public static readonly GUIContent MetallicText = new("Metallic", "Specifies the metallic value of the material.");
-            public static readonly GUIContent MetallicRemap = new("Metallic Remap", "Remap the max and min value of metallic");
-            public static readonly GUIContent AORemap = new("AO Remap", "Remap the max and min value of ambient occlusion");
-            public static readonly GUIContent SmoothnessText = new("Smoothness", "Specifies the smoothness of the material.");
-            public static readonly GUIContent SmoothnessRemapText = new("Smoothness Remap", "Remap the max and min value of smoothness");
+            public static readonly GUIContent normalMapText = new("Normal Map", "A texture that dictates the bumpiness of the material.");
+            public static readonly GUIContent maskMapText = new("Mask Map", "A texture that dictates the physical properties of the material. R channel for metallic, G channel for ambient occlusion, A channel for smoothness");
+            public static readonly GUIContent metallicText = new("Metallic", "Specifies the metallic value of the material.");
+            public static readonly GUIContent metallicRemap = new("Metallic Remap", "Remap the max and min value of metallic");
+            public static readonly GUIContent aoRemap = new("AO Remap", "Remap the max and min value of ambient occlusion");
+            public static readonly GUIContent smoothnessText = new("Smoothness", "Specifies the smoothness of the material.");
+            public static readonly GUIContent smoothnessRemapText = new("Smoothness Remap", "Remap the max and min value of smoothness");
 
-            public static readonly GUIContent AnisotropyMapText = new("Anisotropy Map", "Specifies the anisotropy map of the material.");
+            public static readonly GUIContent anisotropyMapText = new("Anisotropy Map", "Specifies the anisotropy map of the material.");
 
-            public static readonly GUIContent KKColorText = new("KK specular Color", "Specifies the color of KK specular.");
-            public static readonly GUIContent BSDFContributionText = new("BSDF Contribution", "BSDF smoothness contribution, 1 means KK Hair smoothness will fully contribute bsdf calculation");
+            public static readonly GUIContent kkColorText = new("KK specular Color", "Specifies the color of KK specular.");
+            public static readonly GUIContent bsdfContributionText = new("BSDF Contribution", "BSDF smoothness contribution, 1 means KK Hair smoothness will fully contribute bsdf calculation");
 
-            public static readonly GUIContent SpecularColorMapText = new("Specular Color Map", "Specifies the specular color map of the material.");
-            public static readonly GUIContent SpecRemap = new("Specular Remap", "Feather and step value of Toon Specular");
+            public static readonly GUIContent specularColorMapText = new("Specular Color Map", "Specifies the specular color map of the material.");
+            public static readonly GUIContent specRemap = new("Specular Remap", "Feather and step value of Toon Specular");
+
+            public static readonly GUIContent hairBlenderMapText = new("Hair Blending Map", "Specifies the hair blending map of the material.");
 
             public static readonly GUIContent emissiveColorText = new("Emissive Color", "The color and color map to set for emissive effect.");
             public static readonly GUIContent albedoAffectEmissiveText = new("Albedo Affect Emissive", "Enable to affect emissive color with base color");
@@ -73,28 +77,30 @@ namespace Misaki.HdrpToon.Editor
 
         public override void LoadMaterialProperties()
         {
-            Properties.NormalMap = FindProperty("_NormalMap");
-            Properties.NormalMapScale = FindProperty("_NormalScale");
+            Properties.normalMap = FindProperty("_NormalMap");
+            Properties.normalMapScale = FindProperty("_NormalScale");
 
-            Properties.MaskMap = FindProperty("_MaskMap");
-            Properties.Metallic = FindProperty("_Metallic");
-            Properties.MetallicRemapMin = FindProperty("_MetallicRemapMin");
-            Properties.MetallicRemapMax = FindProperty("_MetallicRemapMax");
-            Properties.AORemapMin = FindProperty("_AORemapMin");
-            Properties.AORemapMax = FindProperty("_AORemapMax");
-            Properties.SmoothnessRemapMin = FindProperty("_SmoothnessRemapMin");
-            Properties.SmoothnessRemapMax = FindProperty("_SmoothnessRemapMax");
-            Properties.Smoothness = FindProperty("_Smoothness");
+            Properties.maskMap = FindProperty("_MaskMap");
+            Properties.metallic = FindProperty("_Metallic");
+            Properties.metallicRemapMin = FindProperty("_MetallicRemapMin");
+            Properties.metallicRemapMax = FindProperty("_MetallicRemapMax");
+            Properties.aoRemapMin = FindProperty("_AORemapMin");
+            Properties.aoRemapMax = FindProperty("_AORemapMax");
+            Properties.smoothnessRemapMin = FindProperty("_SmoothnessRemapMin");
+            Properties.smoothnessRemapMax = FindProperty("_SmoothnessRemapMax");
+            Properties.smoothness = FindProperty("_Smoothness");
 
-            Properties.AnisotropyMap = FindProperty("_AnisotropyMap");
-            Properties.Anisotropy = FindProperty("_Anisotropy");
-            Properties.KKColor = FindProperty("_KKColor");
-            Properties.BSDFContribution = FindProperty("_BSDFContribution");
+            Properties.anisotropyMap = FindProperty("_AnisotropyMap");
+            Properties.anisotropy = FindProperty("_Anisotropy");
+            Properties.kkColor = FindProperty("_KKColor");
+            Properties.bsdfContribution = FindProperty("_BSDFContribution");
 
-            Properties.SpecularColorMap = FindProperty("_SpecularColorMap");
-            Properties.SpecularColor = FindProperty("_SpecularColor");
-            Properties.SpecularFeather = FindProperty("_ToonSpecularFeather");
-            Properties.SpecularStep = FindProperty("_ToonSpecularStep");
+            Properties.specularColorMap = FindProperty("_SpecularColorMap");
+            Properties.specularColor = FindProperty("_SpecularColor");
+            Properties.specularFeather = FindProperty("_ToonSpecularFeather");
+            Properties.specularStep = FindProperty("_ToonSpecularStep");
+
+            Properties.hairBlendingMap = FindProperty("_HairBlendingMap");
 
             Properties.emissiveColorLDR = FindProperty(EMISSIVE_COLOR_LDR);
             Properties.emissiveColorMap = FindProperty(EMISSIVE_COLOR_MAP);
@@ -106,46 +112,55 @@ namespace Misaki.HdrpToon.Editor
 
         protected override void DrawContent()
         {
-            editor.KeywordTexturePropertySingleLine(Styles.NormalMapText, Properties.NormalMap, Properties.NormalMapScale);
+            editor.KeywordTexturePropertySingleLine(Styles.normalMapText, Properties.normalMap, Properties.normalMapScale);
 
             if (materials.All(mat => mat.GetPBRMode() != PBRMode.Off))
             {
-                if (editor.KeywordTexturePropertySingleLine(Styles.MaskMapText, Properties.MaskMap))
+                if (editor.KeywordTexturePropertySingleLine(Styles.maskMapText, Properties.maskMap))
                 {
-                    editor.MinMaxShaderProperty(Properties.MetallicRemapMin, Properties.MetallicRemapMax, 0, 1, Styles.MetallicRemap);
-                    editor.MinMaxShaderProperty(Properties.AORemapMin, Properties.AORemapMax, 0, 1, Styles.AORemap);
-                    editor.MinMaxShaderProperty(Properties.SmoothnessRemapMin, Properties.SmoothnessRemapMax, 0, 1, Styles.SmoothnessRemapText);
+                    editor.MinMaxShaderProperty(Properties.metallicRemapMin, Properties.metallicRemapMax, 0, 1, Styles.metallicRemap);
+                    editor.MinMaxShaderProperty(Properties.aoRemapMin, Properties.aoRemapMax, 0, 1, Styles.aoRemap);
+                    editor.MinMaxShaderProperty(Properties.smoothnessRemapMin, Properties.smoothnessRemapMax, 0, 1, Styles.smoothnessRemapText);
                 }
                 else
                 {
-                    if (materials.All(mat => mat.GetPBRMode() != PBRMode.KKHair))
+                    if (materials.All(mat =>
                     {
-                        editor.ShaderProperty(Properties.Metallic, Styles.MetallicText);
+                        var pbrMode = mat.GetPBRMode();
+                        return pbrMode != PBRMode.KKHair && pbrMode != PBRMode.Toon;
+                    }))
+                    {
+                        editor.ShaderProperty(Properties.metallic, Styles.metallicText);
                     }
 
-                    editor.ShaderProperty(Properties.Smoothness, Styles.SmoothnessText);
+                    editor.ShaderProperty(Properties.smoothness, Styles.smoothnessText);
                 }
             }
 
             if (materials.All(mat => mat.GetPBRMode() == PBRMode.Anisotropy || mat.GetPBRMode() == PBRMode.KKHair))
             {
                 EditorGUILayout.Space();
-                editor.KeywordTexturePropertySingleLine(Styles.AnisotropyMapText, Properties.AnisotropyMap, Properties.Anisotropy);
+                editor.KeywordTexturePropertySingleLine(Styles.anisotropyMapText, Properties.anisotropyMap, Properties.anisotropy);
                 if (materials.All(mat => mat.GetPBRMode() == PBRMode.KKHair))
                 {
-                    editor.ShaderProperty(Properties.KKColor, Styles.KKColorText);
-                    editor.ShaderProperty(Properties.BSDFContribution, Styles.BSDFContributionText);
+                    editor.ShaderProperty(Properties.kkColor, Styles.kkColorText);
+                    editor.ShaderProperty(Properties.bsdfContribution, Styles.bsdfContributionText);
                 }
 
                 EditorGUILayout.Space();
                 EditorGUILayout.LabelField("Anisotropy Map only ST");
-                editor.TextureScaleOffsetProperty(Properties.AnisotropyMap);
+                editor.TextureScaleOffsetProperty(Properties.anisotropyMap);
             }
             else if (materials.All(mat => mat.GetPBRMode() == PBRMode.Toon))
             {
                 EditorGUILayout.Space();
-                editor.KeywordTexturePropertySingleLine(Styles.SpecularColorMapText, Properties.SpecularColorMap, Properties.SpecularColor);
-                editor.MinMaxShaderProperty(Properties.SpecularFeather, Properties.SpecularStep, 0, 1, Styles.SpecRemap);
+                editor.KeywordTexturePropertySingleLine(Styles.specularColorMapText, Properties.specularColorMap, Properties.specularColor);
+                editor.MinMaxShaderProperty(Properties.specularFeather, Properties.specularStep, 0, 1, Styles.specRemap);
+            }
+
+            if (materials.All(mat => mat.IsHairBlendingTarget()))
+            {
+                editor.TexturePropertySingleLine(Styles.hairBlenderMapText, Properties.hairBlendingMap);
             }
 
             EditorGUILayout.Space();

Editor/MeterialEditor/UIScopes/SurfaceOptionsScope.cs

@@ -63,7 +63,7 @@ namespace Misaki.HdrpToon.Editor
             editor.ShaderProperty(Properties.transparentMode, Styles.transparentModeText);
 
             editor.ShaderProperty(Properties.alphaClipEnable, Styles.alphaClipEnableText);
-            if (Properties.alphaClipEnable.floatValue == 1.0f)
+            if (Properties.alphaClipEnable.GetBooleanValue())
             {
                 EditorGUI.indentLevel++;
                 editor.ShaderProperty(Properties.alphaClip, Styles.alphaClipText);
@@ -90,7 +90,7 @@ namespace Misaki.HdrpToon.Editor
             {
                 foreach (var material in materials)
                 {
-                    material.SetShaderPassEnabled(UtsShaderPassName.HAIR_BLENDING_TARGET_PASS_NAME, Properties.hairBlendingTarget.floatValue == 1.0f);
+                    material.SetShaderPassEnabled(UtsShaderPassName.HAIR_BLENDING_TARGET_PASS_NAME, Properties.hairBlendingTarget.GetBooleanValue());
                 }
             }
 

Editor/MeterialEditor/UTSShaderGUI.cs

@@ -8,6 +8,12 @@ namespace Misaki.HdrpToon.Editor
     {
         private GUIStyle _headerStyle;
 
+        public override void ValidateMaterial(Material material)
+        {
+            material.SetShaderPassEnabled(UtsShaderPassName.HAIR_SHADOW_CASTER_PASS_NAME, (MaterialType)material.GetInteger("_Material_Type") == MaterialType.FrontHair);
+            material.SetShaderPassEnabled(UtsShaderPassName.HAIR_BLENDING_TARGET_PASS_NAME, material.GetInteger("_HairBlendingTarget") == 1);
+        }
+
         public override void OnGUI(MaterialEditor materialEditor, MaterialProperty[] properties)
         {
             if (!initialized)

README.md

@@ -41,7 +41,7 @@ The HDRP Toon Shader is designed to provide a high-quality toon shading effect f
 ## Example
 Here are some examples of the HDRP Toon Shader in action:
 
-![preview-01.png](https://s2.loli.net/2024/12/26/zHdfSXho4csURyx.png)
+![preview-01.png](https://i.postimg.cc/nV3fT2PR/Screenshot-2025-05-13-212926.png)
 
 ## Contributing
 

Runtime/Constants/UtsShaderPropertyName.cs

@@ -7,6 +7,7 @@ namespace Misaki.HdrpToon
             public const string SHADING_MODE = "_Shading_Mode";
             public const string PBR_MODE = "_PBR_Mode";
             public const string SURFACE_FEATURE = "_SurfaceFeatures";
+            public const string MATERIAL_TYPE = "_Material_Type";
         }
 
         public static class SurfaceInputs
@@ -72,6 +73,8 @@ namespace Misaki.HdrpToon
 
         public static class Advance
         {
+            public const string MINIMAL_DIFFUSE_CONTRIBUTION = "_Minimal_Diffuse_Contribution";
+
             public const string LIGHT_INTENSITY_MULTIPLIER = "_LightIntensityMultiplier";
             public const string CLAMP_LIGHT_COLOR = "_ClampLightColor";
 

Runtime/Shaders/HDRPToon.shader

@@ -4,8 +4,6 @@ Shader "HDRP/Toon"
     {
         //TODO: Use custom rendering data.
         [ToggleUI]  _UseShadowThreshold("_UseShadowThreshold", Float) = 0.0
-        [ToggleUI]  _AlphaCutoffEnable("Alpha Cutoff Enable", Float) = 0.0
-        _AlphaCutoff("Alpha Cutoff", Range(0.0, 1.0)) = 0.5
         _AlphaCutoffShadow("_AlphaCutoffShadow", Range(0.0, 1.0)) = 0.5
         _AlphaCutoffPrepass("_AlphaCutoffPrepass", Range(0.0, 1.0)) = 0.5
         _AlphaCutoffPostpass("_AlphaCutoffPostpass", Range(0.0, 1.0)) = 0.5
@@ -49,7 +47,6 @@ Shader "HDRP/Toon"
         [HideInInspector] _AlphaDstBlend("__alphaDst", Float) = 0.0
         [HideInInspector][ToggleUI] _ZWrite("__zw", Float) = 1.0
         [HideInInspector][ToggleUI] _TransparentZWrite("_TransparentZWrite", Float) = 0.0
-        //[Enum(Off, 0, Front, 1, Back, 2)] _CullMode("__cullmode", Float) = 2.0
         [HideInInspector] _CullModeForward("__cullmodeForward", Float) = 2.0 // This mode is dedicated to Forward to correctly handle backface then front face rendering thin transparent
         [HideInInspector] _TransparentCullMode("_TransparentCullMode", Int) = 2 // Back culling by default
         [HideInInspector] _ZTestDepthEqualForOpaque("_ZTestDepthEqualForOpaque", Int) = 4 // Less equal
@@ -72,7 +69,6 @@ Shader "HDRP/Toon"
         _Color("Color", Color) = (1,1,1,1)
         _Cutoff("Alpha Cutoff", Range(0.0, 1.0)) = 0.5
 
-
         // -----------------------------------------------------------------------
         // -----------------------------------------------------------------------
         // -----------------------------------------------------------------------
@@ -86,7 +82,7 @@ Shader "HDRP/Toon"
 
         // Surface Options
         [Popup] _TransparentEnabled("Transparent Mode", Integer) = 0
-        [ToggleUI]  _AlphaCutoffEnable("Alpha Cutoff Enable", Float) = 0.0
+        [Popup(_ALPHATEST_ON)]  _AlphaCutoffEnable("Alpha Cutoff Enable", Float) = 0.0
         _AlphaCutoff("Alpha Cutoff", Range(0.0, 1.0)) = 0.5
         [Enum(Off, 0, Front, 1, Back, 2)] _CullMode("Cull Mode", Integer) = 2
         [KeywordEnum(Standard, SDF)] _Shading_Mode("Shading mode", Integer) = 0
@@ -123,6 +119,8 @@ Shader "HDRP/Toon"
         _SDFShadowSmoothLevel("SDFShadowSmoothLevel", Range(0.0, 0.1)) = 0.02
         _SDFHighlightStrength("SDFHighlightStrength", Range(0.0, 1.0)) = 0.75
 
+        _HairBlendingFactor("HairBlendingFactor", Range(0.0, 1.0)) = 0.5
+
         // Shadow
         [Popup] _Receive_Light_Shadow("Receive Light Shadow", Integer) = 0
         [Popup] _Receive_Screen_Space_Shadow("Receive Screen Space Shadow", Integer) = 0
@@ -150,7 +148,7 @@ Shader "HDRP/Toon"
 
         _Anisotropy("Anisotropy", Range(-1.0, 1.0)) = 0
         _AnisotropyMap("AnisotropyMap", 2D) = "white" {}
-        
+
         _KKColor("BaseColor", Color) = (1,1,1,1)
         _BSDFContribution("_BSDFContribution", Range(0.0,1.0)) = 0
 
@@ -187,6 +185,10 @@ Shader "HDRP/Toon"
         _IndirectSpecularMatCapMap("IndirectSpecularMatCapMap", 2D) = "black" {}
         _IndirectSpecularMatCapLod("IndirectSpecularMatCapMapLOD", Range(-5, 5)) = 0.0
 
+        _IndirectDiffuseRampMap("_IndirectDiffuseRampMap", 2DArray) = "black" {}
+        _IndirectDiffuseRampIndex("IndirectDiffuseRampIndex", Integer) = 0
+        _IndirectDiffuseRampPosition("IndirectDiffuseRampPosition", Range(0, 1)) = 0.5
+
         _IndirectSpecularIntensity("Indirect Specular Intensity", Range(0, 5)) = 1.0
         _SSRWeight("SSR Weight", Range(0.0, 1.0)) = 1.0
 
@@ -238,7 +240,24 @@ Shader "HDRP/Toon"
         // Advance
         _LightIntensityMultiplier("Light_Intensity_Multiplier" , Range(0, 1)) = 0.5
         [ToggleUI] _ClampLightColor("VRChat : SceneLights HiCut_Filter", Float) = 0
+        _Minimal_Diffuse_Contribution("Minimal_Diffuse_Contribution", Range(0, 1)) = 0.05
         [KeywordEnum(Single, Full, Custom)] _Light_Loop_Mode ("Light Loop Mode", Float) = 1
+
+
+        //TODO: Clear hdrp default properties
+        [Enum(UV0, 0, UV1, 1, UV2, 2, UV3, 3)] _UVDetail("UV Set for detail", Float) = 0
+        [HideInInspector] _UVDetailsMappingMask("_UVDetailsMappingMask", Color) = (1, 0, 0, 0)
+        [ToggleUI] _LinkDetailsWithBase("LinkDetailsWithBase", Float) = 1.0
+
+        [Enum(Use Emissive Color, 0, Use Emissive Mask, 1)] _EmissiveColorMode("Emissive color mode", Float) = 1
+        [Enum(UV0, 0, UV1, 1, UV2, 2, UV3, 3, Planar, 4, Triplanar, 5, Same as Base, 6)] _UVEmissive("UV Set for emissive", Float) = 0
+        [Enum(WorldSpace, 0, ObjectSpace, 1)] _ObjectSpaceUVMappingEmissive("Mapping space", Float) = 0.0
+        _TexWorldScaleEmissive("Scale to apply on world coordinate", Float) = 1.0
+        [HideInInspector] _UVMappingMaskEmissive("_UVMappingMaskEmissive", Color) = (1, 0, 0, 0)
+
+        [HideInInspector] _DiffusionProfile("Obsolete, kept for migration purpose", Int) = 0
+        [HideInInspector] _DiffusionProfileAsset("Diffusion Profile Asset", Vector) = (0, 0, 0, 0)
+        [HideInInspector] _DiffusionProfileHash("Diffusion Profile Hash", Float) = 0
     }
 
     HLSLINCLUDE
@@ -249,15 +268,7 @@ Shader "HDRP/Toon"
     //-------------------------------------------------------------------------------------
     // Variant
     //-------------------------------------------------------------------------------------
-
-    #pragma shader_feature_local _ALPHATEST_ON
-    #pragma shader_feature_local _DEPTHOFFSET_ON
     #pragma shader_feature_local _DOUBLESIDED_ON
-    #pragma shader_feature_local _ _VERTEX_DISPLACEMENT _PIXEL_DISPLACEMENT
-    #pragma shader_feature_local _VERTEX_DISPLACEMENT_LOCK_OBJECT_SCALE
-    #pragma shader_feature_local _DISPLACEMENT_LOCK_TILING_SCALE
-    #pragma shader_feature_local _PIXEL_DISPLACEMENT_LOCK_OBJECT_SCALE
-    #pragma shader_feature_local _TESSELLATION_PHONG
 
     #pragma shader_feature_local _NORMALMAP_TANGENT_SPACE
     #pragma shader_feature_local _ _REQUIRE_UV2 _REQUIRE_UV3
@@ -327,6 +338,7 @@ Shader "HDRP/Toon"
 
             HLSLPROGRAM
 
+            #pragma shader_feature_local _ALPHATEST_ON
             // Note: Require _ObjectId and _PassValue variables
 
             // We reuse depth prepass for the scene selection, allow to handle alpha correctly as well as tessellation and vertex animation
@@ -430,6 +442,7 @@ Shader "HDRP/Toon"
 
             HLSLPROGRAM
 
+            #pragma shader_feature_local _ALPHATEST_ON
             // 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.
@@ -462,6 +475,8 @@ Shader "HDRP/Toon"
 
             HLSLPROGRAM
 
+            #pragma shader_feature_local _ALPHATEST_ON
+
             #define SHADERPASS SHADERPASS_SHADOWS
             #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Material.hlsl"
             #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/Lit.hlsl"
@@ -481,7 +496,7 @@ Shader "HDRP/Toon"
             Tags{ "LightMode" = "DepthForwardOnly" }
 
             Cull[_CullMode]
-
+            AlphaToMask [_AlphaCutoffEnable]
             // To be able to tag stencil with disableSSR information for forward
             Stencil
             {
@@ -495,6 +510,8 @@ Shader "HDRP/Toon"
 
             HLSLPROGRAM
 
+            #pragma shader_feature_local _ALPHATEST_ON
+
             // In deferred, depth only pass don't output anything.
             // In forward it output the normal buffer
             #pragma multi_compile _ WRITE_NORMAL_BUFFER
@@ -534,6 +551,7 @@ Shader "HDRP/Toon"
             }
 
             Cull[_CullMode]
+            AlphaToMask [_AlphaCutoffEnable]
 
             ZWrite On
 
@@ -541,6 +559,9 @@ Shader "HDRP/Toon"
             #pragma multi_compile _ WRITE_NORMAL_BUFFER
             #pragma multi_compile _ WRITE_MSAA_DEPTH
 
+            #pragma shader_feature_local _ALPHATEST_ON
+
+
             #define SHADERPASS SHADERPASS_MOTION_VECTORS
             #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Material.hlsl"
             #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/Lit.hlsl"
@@ -603,6 +624,9 @@ Shader "HDRP/Toon"
 
             HLSLPROGRAM
 
+            #pragma shader_feature_local _ALPHATEST_ON
+
+
             #define SHADERPASS SHADERPASS_DEPTH_ONLY
             #define CUTOFF_TRANSPARENT_DEPTH_PREPASS
             #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Material.hlsl"
@@ -630,6 +654,9 @@ Shader "HDRP/Toon"
             ZTest [_ZTestTransparent]
 
             HLSLPROGRAM
+
+            #pragma shader_feature_local _ALPHATEST_ON
+
             #pragma multi_compile _ DEBUG_DISPLAY
             #pragma multi_compile _ LIGHTMAP_ON
             #pragma multi_compile _ DIRLIGHTMAP_COMBINED
@@ -677,12 +704,12 @@ Shader "HDRP/Toon"
         Pass
         {
             Name "ForwardOnly"
-            Tags { "LightMode" = "ForwardOnly" } 
+            Tags { "LightMode" = "ForwardOnly" }
 
             ZWrite [_ZWriteMode]
             ZTest [_ZTestMode]
             Cull [_CullMode]
-            Blend SrcAlpha OneMinusSrcAlpha
+            Blend [_SrcBlend] [_DstBlend], [_AlphaSrcBlend] [_AlphaDstBlend]
             Stencil {
 
                 Ref[_StencilNo]
@@ -694,7 +721,6 @@ Shader "HDRP/Toon"
             }
 
             HLSLPROGRAM
-            //#pragma multi_compile _ UTS_DEBUG_SHADOWMAP_BINALIZATION
             #pragma multi_compile _ DEBUG_DISPLAY
             #pragma multi_compile _ LIGHTMAP_ON
             #pragma multi_compile _ DIRLIGHTMAP_COMBINED
@@ -716,15 +742,7 @@ Shader "HDRP/Toon"
             #if !defined(_SURFACE_TYPE_TRANSPARENT) && !defined(DEBUG_DISPLAY)
                 #define SHADERPASS_FORWARD_BYPASS_ALPHA_TEST
             #endif
-            // used in ShadingGradeMap
-            #pragma shader_feature _IS_TRANSCLIPPING_OFF _IS_TRANSCLIPPING_ON
-            #pragma shader_feature _IS_ANGELRING_OFF _IS_ANGELRING_ON
-            // used in Shadow calculation 
-            #pragma shader_feature _ UTS_USE_RAYTRACING_SHADOW
-            // used in DoubleShadeWithFeather
-            #pragma shader_feature _IS_CLIPPING_OFF _IS_CLIPPING_MODE _IS_CLIPPING_TRANSMODE
-            // controlling mask rendering
-            #pragma shader_feature _ _IS_CLIPPING_MATTE
+
             #pragma shader_feature _EMISSIVE_SIMPLE _EMISSIVE_ANIMATION
 
             #pragma shader_feature ENABLE_UTS_HAIR_SHAOW
@@ -759,6 +777,9 @@ Shader "HDRP/Toon"
 
             #pragma shader_feature_local_fragment _OUTLINECOLORMAP
 
+            #pragma shader_feature_local _ALPHATEST_ON
+
+
             #define PUNCTUAL_SHADOW_MEDIUM
             #define DIRECTIONAL_SHADOW_MEDIUM
             #define AREA_SHADOW_MEDIUM
@@ -819,6 +840,9 @@ Shader "HDRP/Toon"
             ColorMask 0
 
             HLSLPROGRAM
+
+            #pragma shader_feature_local _ALPHATEST_ON
+
             #define SHADERPASS SHADERPASS_DEPTH_ONLY
             #define CUTOFF_TRANSPARENT_DEPTH_POSTPASS
             #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Material.hlsl"
@@ -870,7 +894,6 @@ Shader "HDRP/Toon"
 
             HLSLPROGRAM
 
-
             #define AREA_SHADOW_LOW
             #define SHADERPASS SHADERPASS_FORWARD
             #define SHADOW_LOW
@@ -884,13 +907,6 @@ Shader "HDRP/Toon"
                 #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Debug/DebugDisplay.hlsl"
             #endif
 
-            // The light loop (or lighting architecture) is in charge to:
-            // - Define light list
-            // - Define the light loop
-            // - Setup the constant/data
-            // - Do the reflection hierarchy
-            // - Provide sampling function for shadowmap, ies, cookie and reflection (depends on the specific use with the light loops like index array or atlas or single and texture format (cubemap/latlong))
-
             #define HAS_LIGHTLOOP
 
             #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Lighting/LightLoop/LightLoopDef.hlsl"
@@ -901,8 +917,6 @@ Shader "HDRP/Toon"
             #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/ShaderPass/LitSharePass.hlsl"
             #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/LitData.hlsl"
 
-
-
             #include "Packages/com.misaki.hdrp-toon/Runtime/Shaders/Includes/Common/UtsHead.hlsl"
             #include "Packages/com.misaki.hdrp-toon/Runtime/Shaders/Includes/ShaderPass/HDRPToonOutline.hlsl"
 
@@ -928,6 +942,9 @@ Shader "HDRP/Toon"
             HLSLPROGRAM
 
             #define SHADERPASS SHADERPASS_SHADOWS
+
+            #pragma shader_feature_local _ALPHATEST_ON
+
             #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Material.hlsl"
             #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/Lit.hlsl"
             #include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Lit/ShaderPass/LitDepthPass.hlsl"

Runtime/Shaders/Includes/Common/UtsHead.hlsl

@@ -25,12 +25,12 @@
 struct UTSSurfaceData
 {
     uint surfaceFeatures;
-    
+
     real3 baseColor;
     real3 firstShadingColor;
     real3 secondShadingColor;
     real alpha;
-    
+
     float3 normalWS;
     real perceptualSmoothness;
     real metallic;
@@ -40,35 +40,35 @@ struct UTSSurfaceData
 
     float3 geomNormalWS;
     float3 tangentWS;
-    
+
     real4 subsurfaceColor;
-    
+
     real anisotropy;
 };
 
 struct UtsBSDFData
 {
     uint surfaceFeatures;
-    
+
     real3 diffuseColor;
     real3 firstShadingDiffuseColor;
     real3 secondShadingDiffuseColor;
-    
+
     real3 fresnel0;
     real fresnel90;
     real reflectivity;
-    
+
     real ambientOcclusion;
     real specularOcclusion;
     real perceptualRoughness;
-    
+
     real3 subsurfaceColor;
 
     float3 geomNormalWS;
     float3 normalWS;
     float3 tangentWS;
     float3 bitangentWS;
-    
+
     real anisotropy;
     real roughnessT;
     real roughnessB;
@@ -103,7 +103,7 @@ UTSSurfaceData GetUTSSurfaceData(FragInputs input, float3 V)
     UTSSurfaceData output;
 
     output.surfaceFeatures = _SurfaceFeatures;
-    
+
     float4 mainTexture = SAMPLE_TEXTURE2D(_BaseColorMap, sampler_BaseColorMap, TRANSFORM_TEX(input.texCoord0, _BaseColorMap));
     output.baseColor = mainTexture.rgb * _BaseColor.rgb;
     output.alpha = mainTexture.a;
@@ -124,11 +124,11 @@ UTSSurfaceData GetUTSSurfaceData(FragInputs input, float3 V)
 
     float4 normalLocal = float4(0, 0, 1.0, 1.0);
 #if _NORMALMAP
-    if (_Use_SSSLut)
-    {
-        normalLocal = SAMPLE_TEXTURE2D_LOD(_NormalMap, sampler_NormalMap, TRANSFORM_TEX(input.texCoord0, _BaseColorMap), _SSSIntensity);
-    }
-    else
+    // if (_Use_SSSLut)
+    // {
+    //     normalLocal = SAMPLE_TEXTURE2D_LOD(_NormalMap, sampler_NormalMap, TRANSFORM_TEX(input.texCoord0, _BaseColorMap), _SSSIntensity);
+    // }
+    // else
     {
         normalLocal = SAMPLE_TEXTURE2D(_NormalMap, sampler_NormalMap, TRANSFORM_TEX(input.texCoord0, _BaseColorMap));
         normalLocal.rgb = UnpackNormalScale(normalLocal, _NormalScale);
@@ -173,27 +173,30 @@ UTSSurfaceData GetUTSSurfaceData(FragInputs input, float3 V)
     smoothness *=_BSDFContribution;
 #endif
 
-#ifdef _PBR_Mode_TOON
+// TODO: Specular color is not handle correctly.
+#ifdef _PBR_MODE_TOON
+    metallic = 0.0;
+    specularColor = _SpecularColor;
 #ifdef _SPECULARCOLORMAP
-    specularColor = SAMPLE_TEXTURE2D(_SpecularColorMap, sampler_SpecularColorMap, TRANSFORM_TEX(input.texCoord0, _BaseColorMap)).rgb * _SpecularColor;
+    specularColor *= SAMPLE_TEXTURE2D(_SpecularColorMap, sampler_SpecularColorMap, TRANSFORM_TEX(input.texCoord0, _BaseColorMap)).rgb;
 #endif
-    specularColor = GetSpecularColor(output.baseColor, metallic);
 #endif
-    
+
     output.metallic = metallic;
     output.ambientOcclusion = ao;
     output.specularOcclusion = GetSpecularOcclusionFromAmbientOcclusion(dot(normalWS, V), ao, PerceptualRoughnessToRoughness(1 - smoothness));
     output.perceptualSmoothness = smoothness;
     output.normalWS = normalWS;
     output.specularColor = specularColor;
-    
+
     output.geomNormalWS = input.tangentToWorld[2];
     output.tangentWS = Orthonormalize(input.tangentToWorld[0].rgb, normalWS);
 
-    output.subsurfaceColor = SAMPLE_TEXTURE2D(_SSSLutMap, s_linear_clamp_sampler, TRANSFORM_TEX(input.texCoord0, _BaseColorMap)) * _SSSIntensity;
+    // output.subsurfaceColor = SAMPLE_TEXTURE2D(_SSSLutMap, s_linear_clamp_sampler, TRANSFORM_TEX(input.texCoord0, _BaseColorMap)) * _SSSIntensity;
+    output.subsurfaceColor = 0.0;
 
     output.anisotropy = anisotropy;
-    
+
     return output;
 }
 
@@ -202,13 +205,20 @@ UtsBSDFData ConvertUTSSurfaceDataToUTSBSDFData(UTSSurfaceData surfaceData)
     UtsBSDFData output;
 
     output.surfaceFeatures = surfaceData.surfaceFeatures;
-    
-    output.diffuseColor = UtsComputeDiffuseColor(surfaceData.baseColor, surfaceData.metallic, 0.05);
-    output.firstShadingDiffuseColor = UtsComputeDiffuseColor(surfaceData.firstShadingColor, surfaceData.metallic, 0.05);
-    output.secondShadingDiffuseColor = UtsComputeDiffuseColor(surfaceData.secondShadingColor, surfaceData.metallic, 0.05);
+
+#if _PBR_MODE_TOON
+    float m = Max3(surfaceData.specularColor.r, surfaceData.specularColor.g, surfaceData.specularColor.b);
+#else
+    float m = surfaceData.metallic;
+#endif
+    output.diffuseColor = UtsComputeDiffuseColor(surfaceData.baseColor, m, _Minimal_Diffuse_Contribution);
+    output.firstShadingDiffuseColor = UtsComputeDiffuseColor(surfaceData.firstShadingColor, m, _Minimal_Diffuse_Contribution);
+    output.secondShadingDiffuseColor = UtsComputeDiffuseColor(surfaceData.secondShadingColor, m, _Minimal_Diffuse_Contribution);
 
 #if _PBR_MODE_OFF
-    output.fresnel0 = surfaceData.baseColor;
+    output.fresnel0 = 0.22;
+#elif _PBR_MODE_TOON
+    output.fresnel0 = surfaceData.specularColor;
 #else
     output.fresnel0 = ComputeFresnel0(surfaceData.baseColor, surfaceData.metallic, 0.22);
 #endif
@@ -228,7 +238,7 @@ UtsBSDFData ConvertUTSSurfaceDataToUTSBSDFData(UTSSurfaceData surfaceData)
 
     output.anisotropy = surfaceData.anisotropy;
     ConvertAnisotropyToRoughness(output.perceptualRoughness, surfaceData.anisotropy, output.roughnessT, output.roughnessB);
-    
+
     return output;
 }
 
@@ -242,7 +252,7 @@ PreLightData GetPreLightData_UTS(float3 V, PositionInputs posInput, inout UtsBSD
     preLightData.iblPerceptualRoughness = bsdfData.perceptualRoughness;
 
     float clampedNdotV = ClampNdotV(preLightData.NdotV);
-    
+
     // Handle IBL + area light + multiscattering.
     // Note: use the not modified by anisotropy iblPerceptualRoughness here.
     float specularReflectivity = 1.0;
@@ -583,4 +593,4 @@ float3 SampleBakedGI_UTS_OutLine(float3 positionRWS, float3 normalWS, float2 uvS
 }
 
 
-#endif //#ifndef UCTS_HDRP_INCLUDED
+#endif //#ifndef UCTS_HDRP_INCLUDED

Runtime/Shaders/Includes/Common/UtsLitData.hlsl

@@ -391,4 +391,4 @@ void UtsGetSurfaceAndBuiltinData(FragInputs input, float3 V, inout PositionInput
     RAY_TRACING_OPTIONAL_ALPHA_TEST_PASS
 }
 
-#endif
+#endif

Runtime/Shaders/Includes/Deprecated/ShadingOtherLight.hlsl

@@ -11,13 +11,6 @@ void UTS_OtherLights(LightLoopContext lightLoopContext, FragInputs input, UTSLig
 
     // We dont have to calculate lighting here if we are using sdf shadow
 #ifndef _SDFShadow
-#ifdef _IS_CLIPPING_MATTE
-    if (_ClippingMatteMode != 0)
-    {
-
-        return float3(0.0f, 0.0f, 0.0f);
-    }
-#endif // _IS_CLIPPING_MATTE
 
     uint2 tileIndex = uint2(input.positionSS.xy) / GetTileSize();
     // input.positionSS is SV_Position

Runtime/Shaders/Includes/Lighting/UtsLightEvaluation.hlsl

@@ -45,21 +45,21 @@ DirectLighting UtsEvaluateBSDF_Directional(LightLoopContext lightLoopContext, Po
 {
     DirectLighting lighting;
     ZERO_INITIALIZE(DirectLighting, lighting);
-    
+
     float3 L = -lightData.forward;
-    
+
     SHADOW_TYPE shadow = 1.0;
 #if _RECEIVE_LIGHT_SHADOW_ON
     shadow = EvaluateShadow_Directional(lightLoopContext, posInput, lightData, builtinData, bsdfData.geomNormalWS);
 #endif
-    
+
     if (lightData.lightDimmer > 0.0)
     {
         // TODO: Colored shadow will overwrite the first and second shading diffuse color
         //float3 shadowColor = ComputeShadowColor(shadow, lightData.shadowTint, lightData.penumbraTint);
         float4 lightColor = EvaluateLight_Directional(lightLoopContext, posInput, lightData);
         lightColor.rgb = GetLimitedLightColor(lightColor.rgb * lightColor.a * _LightIntensityMultiplier);
-    
+
         UtsClampRoughness(preLightData, bsdfData, lightData.minRoughness);
 
         lighting = UtsShadeSurface(posInput, bsdfData, preLightData, shadow, lightColor.rgb, V, L, uv0, lightData.diffuseDimmer, lightData.specularDimmer);
@@ -72,28 +72,28 @@ DirectLighting UtsEvaluateBSDF_Punctual(LightLoopContext lightLoopContext, Posit
 {
     DirectLighting lighting;
     ZERO_INITIALIZE(DirectLighting, lighting);
-    
+
     float3 L;
     float4 distances; // {d, d^2, 1/d, d_proj}
     GetPunctualLightVectors(posInput.positionWS, lightData, L, distances);
-    
+
     SHADOW_TYPE shadow = 1.0;
 #if _RECEIVE_LIGHT_SHADOW_ON
     shadow = UtsEvaluateShadow_Punctual(lightLoopContext, posInput, lightData, builtinData, UtsGetShadowNormal(bsdfData), L, distances);
 #endif
-    
+
     if (lightData.lightDimmer > 0.0)
     {
         // TODO: Colored shadow will overwrite the first and second shading diffuse color
         //float3 shadowColor = ComputeShadowColor(shadow, lightData.shadowTint, lightData.penumbraTint);
         float4 lightColor = EvaluateLight_Punctual(lightLoopContext, posInput, lightData, L, distances);
         lightColor.rgb = GetLimitedLightColor(lightColor.rgb * lightColor.a * _LightIntensityMultiplier);
-    
+
         UtsClampRoughness(preLightData, bsdfData, lightData.minRoughness);
 
         lighting = UtsShadeSurface(posInput, bsdfData, preLightData, shadow, lightColor.rgb, V, L, uv0, lightData.diffuseDimmer, lightData.specularDimmer);
     }
-    
+
     return lighting;
 }
 
@@ -124,17 +124,17 @@ void UtsEvaluateBSDF_BakeDiffuse(PositionInputs posInput, PreLightData preLightD
 #if defined(PROBE_VOLUMES_L1) || defined(PROBE_VOLUMES_L2)
     lightInReflDir = float3(-1, -1, -1); // This variable is used with APV for reflection probe normalization - see code for LIGHTFEATUREFLAGS_ENV
 #endif
-    
+
 #if defined(_PBR_MODE_OFF) || defined(_PBR_MODE_TOON)
     float3 normalWS = float3(0.0, 0.0, 1.0);
 #else
     float3 normalWS = bsdfData.normalWS;
 #endif
     float3 backNormalWS = -normalWS;
-    
+
     // Reflect normal to get lighting for reflection probe tinting
     float3 R = reflect(-V, normalWS);
-    
+
 #if defined(PROBE_VOLUMES_L1) || defined(PROBE_VOLUMES_L2)
     if (_EnableProbeVolumes)
     {
@@ -150,7 +150,7 @@ void UtsEvaluateBSDF_BakeDiffuse(PositionInputs posInput, PreLightData preLightD
         builtinData.backBakeDiffuseLighting = EvaluateAmbientProbe(backNormalWS);
     }
 #endif
-    
+
 #if !defined(_SURFACE_TYPE_TRANSPARENT) && !defined(SCREEN_SPACE_INDIRECT_DIFFUSE_DISABLED)
     if (_IndirectDiffuseMode != INDIRECTDIFFUSEMODE_OFF)
     {
@@ -178,7 +178,7 @@ IndirectLighting UtsEvaluateBSDF_MatCapSpecular(float3 positionWS, UtsBSDFData b
 {
     IndirectLighting lighting;
     ZERO_INITIALIZE(IndirectLighting, lighting);
-    
+
     float3 positionVS = mul(UNITY_MATRIX_V, float4(positionWS, 1.0)).xyz;
     float3 normalVS = mul(UNITY_MATRIX_V, float4(bsdfData.normalWS, 1.0)).xyz;
     float3 pcrossN = cross(normalize(positionVS), normalVS);
@@ -190,20 +190,21 @@ IndirectLighting UtsEvaluateBSDF_MatCapSpecular(float3 positionWS, UtsBSDFData b
     float lod = clamp(PerceptualRoughnessToMipmapLevel(bsdfData.perceptualRoughness) + _IndirectSpecularMatCapLod, 0.0, 10.0);
     lighting.specularReflected = SAMPLE_TEXTURE2D_LOD(_IndirectSpecularMatCapMap, s_trilinear_clamp_sampler, uv, lod).rgb;
     lighting.specularReflected *= preLightData.specularFGD * GetInverseCurrentExposureMultiplier();
-    
+
     return lighting;
 }
 
-void UtsEvaluateBSDF_Ramp(PositionInputs posInput, UtsBSDFData bsdfData, float3 L, inout BuiltinData builtinData)
+void UtsEvaluateBSDF_Ramp(PositionInputs posInput, UtsBSDFData bsdfData, inout BuiltinData builtinData)
 {
-    // TODO
+    float3 lighting = SAMPLE_TEXTURE2D_ARRAY(_IndirectDiffuseRampMap, s_trilinear_clamp_sampler, float2(_IndirectDiffuseRampPosition, 0.0), _IndirectDiffuseRampIndex).rgb;
+    builtinData.bakeDiffuseLighting = lighting * GetInverseCurrentExposureMultiplier();
 }
 
 IndirectLighting UtsEvaluateBSDF_Env(LightLoopContext lightLoopContext, PositionInputs posInput, PreLightData preLightData, EnvLightData lightData, UtsBSDFData bsdfData, int influenceShapeType, int GPUImageBasedLightingType, inout float hierarchyWeight)
 {
     IndirectLighting lighting;
     ZERO_INITIALIZE(IndirectLighting, lighting);
-    
+
     float3 envLighting;
     float3 positionWS = posInput.positionWS;
     float weight = 1.0;
@@ -267,13 +268,13 @@ void UtsPostEvaluateBSDF(PositionInputs posInput, PreLightData preLightData, Uts
     ApplyAmbientOcclusion(aoFactor, builtinData, lighting);
 #endif
     AdjustIndirectLighting(preLightData, bsdfData, builtinData, lighting);
-    
+
     // In regular pbr, we need to multiple diffuse color here with direct diffuse lighting. However, in UTS, we have already multiplied it when evaluating the direct diffuse since we need to apply the shading color.
     lightLoopOutput.diffuseLighting = lighting.direct.diffuse + builtinData.bakeDiffuseLighting + builtinData.emissiveColor;
     lightLoopOutput.specularLighting = lighting.direct.specular + lighting.indirect.specularReflected;
     // Rescale the GGX to account for the multiple scattering.
     lightLoopOutput.specularLighting *= 1.0 + bsdfData.fresnel0 * preLightData.energyCompensation;
-    
+
     ApplyExposureAdjustment(lightLoopOutput.diffuseLighting);
     ApplyExposureAdjustment(lightLoopOutput.specularLighting);
 }

Runtime/Shaders/Includes/Lighting/UtsLightLoop.hlsl

@@ -66,7 +66,7 @@ void UtsLightLoop(FragInputs fragInputs, PositionInputs posInput, UtsBSDFData bs
 
     // Initialize the contactShadow and contactShadowFade fields
     InitContactShadow(posInput, context);
-    
+
 #if _RECEIVE_LIGHT_SHADOW_ON
     // First of all we compute the shadow value of the directional light to reduce the VGPR pressure
     if (featureFlags & LIGHTFEATUREFLAGS_DIRECTIONAL)
@@ -97,12 +97,12 @@ void UtsLightLoop(FragInputs fragInputs, PositionInputs posInput, UtsBSDFData bs
         }
     }
 #endif
-    
+
     PreLightData preLightData = GetPreLightData_UTS(V, posInput, bsdfData);
-    
+
     AggregateLighting aggregateLighting;
     ZERO_INITIALIZE(AggregateLighting, aggregateLighting);
-    
+
     // Evaluate the punctual lights.
     if (featureFlags & LIGHTFEATUREFLAGS_PUNCTUAL)
     {
@@ -172,7 +172,7 @@ void UtsLightLoop(FragInputs fragInputs, PositionInputs posInput, UtsBSDFData bs
             }
         }
     }
-    
+
     // Evaluate the directional lights.
     if (featureFlags & LIGHTFEATUREFLAGS_DIRECTIONAL)
     {
@@ -232,7 +232,7 @@ void UtsLightLoop(FragInputs fragInputs, PositionInputs posInput, UtsBSDFData bs
             replaceBakeDiffuseLighting = true;
         }
         #endif
-        
+
         #if defined(PROBE_VOLUMES_L1) || defined(PROBE_VOLUMES_L2)
         if (!builtinData.isLightmap)
         {
@@ -243,7 +243,7 @@ void UtsLightLoop(FragInputs fragInputs, PositionInputs posInput, UtsBSDFData bs
         #if defined(LIGHT_EVALUATION_SKIP_INDIRECT_DIFFUSE)
         replaceBakeDiffuseLighting = false;
         #endif
-        
+
         if (replaceBakeDiffuseLighting)
         {
             UtsEvaluateBSDF_BakeDiffuse(posInput, preLightData, bsdfData, V, builtinData, lightInReflDir);
@@ -257,7 +257,7 @@ void UtsLightLoop(FragInputs fragInputs, PositionInputs posInput, UtsBSDFData bs
         if (featureFlags & LIGHTFEATUREFLAGS_ENV)
         {
         #if _INDIRECT_SPECULAR_MODE_OFF
-            
+
         #elif _INDIRECT_SPECULAR_MODE_IBL
             context.sampleReflection = SINGLE_PASS_CONTEXT_SAMPLE_REFLECTION_PROBES;
 
@@ -317,7 +317,6 @@ void UtsLightLoop(FragInputs fragInputs, PositionInputs posInput, UtsBSDFData bs
                             AccumulateIndirectLighting(lighting, aggregateLighting);
                         }
                     }
-                    
                 }
             }
         #elif _INDIRECT_SPECULAR_MODE_MATCAP
@@ -345,7 +344,7 @@ void UtsLightLoop(FragInputs fragInputs, PositionInputs posInput, UtsBSDFData bs
         }
     #endif
     }
-    
+
 #ifndef _LIGHT_BASE_RIM_LIGHT_ON
     if (HasFlag(bsdfData.surfaceFeatures, SURFACEFEATURE_RIM_LIGHT))
     {
@@ -353,7 +352,7 @@ void UtsLightLoop(FragInputs fragInputs, PositionInputs posInput, UtsBSDFData bs
         AccumulateDirectLighting(lighting, aggregateLighting);
     }
 #endif
-    
+
     if (HasFlag(bsdfData.surfaceFeatures, SURFACEFEATURE_ANGEL_RING))
     {
         DirectLighting lighting = UtsEvaluateLighting_AngelRing(fragInputs, bsdfData.normalWS, V);
@@ -368,7 +367,7 @@ void UtsLightLoop(FragInputs fragInputs, PositionInputs posInput, UtsBSDFData bs
 //     UTSLightData mainPunctualLight;
 
 //     uint lightCount, lightStart;
-    
+
 // #ifndef LIGHTLOOP_DISABLE_TILE_AND_CLUSTER
 //     GetCountAndStart(posInput, LIGHTCATEGORY_PUNCTUAL, lightStart, lightCount);
 // #else   // LIGHTLOOP_DISABLE_TILE_AND_CLUSTER

Runtime/Shaders/Includes/Lighting/UtsMaterialEvaluation.hlsl

@@ -39,10 +39,10 @@ float3 ComputeSpecularTerm(UtsBSDFData bsdfData, PreLightData preLightData, floa
 #elif _PBR_MODE_ANISOTROPY
     float TdotV = dot(bsdfData.tangentWS,   V);
     float BdotV = dot(bsdfData.bitangentWS, V);
-    
+
     ConvertAnisotropyToRoughness(bsdfData.perceptualRoughness, bsdfData.anisotropy, bsdfData.roughnessT, bsdfData.roughnessB);
     partLambdaV = GetSmithJointGGXAnisoPartLambdaV(TdotV, BdotV, clampedNdotV, bsdfData.roughnessT, bsdfData.roughnessB);
-    
+
     // For anisotropy we must not saturate these values
     float TdotH = dot(bsdfData.tangentWS, H);
     float TdotL = dot(bsdfData.tangentWS, L);
@@ -63,11 +63,9 @@ float3 ComputeSpecularTerm(UtsBSDFData bsdfData, PreLightData preLightData, floa
     float specularExponent = RoughnessToBlinnPhongSpecularExponent(PerceptualRoughnessToRoughness(bsdfData.perceptualRoughness));
     DV = pow(NdotH, 5.0 * specularExponent);
     DV = StepFeatherToon(DV, _ToonSpecularStep, _ToonSpecularFeather);
-    //specTerm = pow(NdotH, 5.0 * specularExponent);
-    //specTerm = StepFeatherToon(specTerm, _ToonSpecularStep, _ToonSpecularFeather);
-    //return specTerm * ColorSpaceDielectricSpec.rgb * clampedNdotL;
 #endif
 
+    // We use specularFGD here to approximate F.
     specTerm = DV * preLightData.specularFGD * clampedNdotL;
     return specTerm;
 #endif
@@ -139,12 +137,12 @@ DirectLighting UtsShadeSurface(PositionInputs posInput, UtsBSDFData bsdfData, Pr
         float NdotL = dot(bsdfData.normalWS, L);
         float halfLambert = 0.5 * NdotL + 0.5;
     
-        float3 rampColor = SAMPLE_TEXTURE2D_ARRAY_LOD(_ShadingRampMap, s_linear_clamp_sampler, float2(halfLambert * shadow.x, rampMask), _ShadingIndex, 0.0).rgb;
+        float3 rampColor = SAMPLE_TEXTURE2D_ARRAY(_ShadingRampMap, s_linear_clamp_sampler, float2(halfLambert * shadow.x, rampMask), _ShadingIndex).rgb;
         
         diffuseTerm = bsdfData.diffuseColor * rampColor;
         specularTerm *= saturate(NdotL) * sharpShadow;
         #elif _SHADING_MODE_SDF
-        float3 rampColor = SAMPLE_TEXTURE2D_ARRAY_LOD(_ShadingRampMap, s_linear_clamp_sampler, float2(sdfShadowMask * sharpShadow.x, rampMask), _ShadingIndex, 0.0).rgb;
+        float3 rampColor = SAMPLE_TEXTURE2D_ARRAY(_ShadingRampMap, s_linear_clamp_sampler, float2(sdfShadowMask * sharpShadow.x, rampMask), _ShadingIndex).rgb;
         
         diffuseTerm = bsdfData.diffuseColor * rampColor;
         specularTerm = (specularTerm + sdfHighlight) * sdfShadowMask * sharpShadow;

Runtime/Shaders/Includes/Lighting/UtsShadowEvaluation.hlsl

@@ -30,27 +30,28 @@ float3 SampleSDFTexture(float3 L, float2 uv, out float angle)
 float GetHairShadow(PositionInputs posInput, float3 L)
 {
     float shadow = 1.0;
-    
+
     // Push the face fragment view space position towards the light for a little bit
     float hairShadowOpacity = saturate(Remap(length(posInput.positionWS), float2(_HairShadowFadeOutDistance, _HairShadowFadeInDistance), float2(0, 1)));
-    
+
     if (hairShadowOpacity > 0.0)
     {
         float3 viewLightDir = TransformWorldToViewDir(L);
         float shadowLengthY = _HairShadowDistance * 5.0 * max(0.5, posInput.linearDepth * _HairShadowDistanceScaleFactor) / posInput.linearDepth;
         float2 shadowLength = float2(shadowLengthY * 2.0f, shadowLengthY);
-    
+
         float3 cameraDirOS = normalize(TransformWorldToObject(GetCameraPositionWS()));
         float cameraDirFactor = 1 - smoothstep(0.1, 0.9, cameraDirOS.y);
         shadowLength.y *= cameraDirFactor;
 
+        // TODO: sample point is still shifting when fov change.
         float2 samplingPoint = (posInput.positionSS + shadowLength * viewLightDir.xy * (_ScreenSize.xy / float2(1920.0f, 1080.0f))) * _ScreenSize.zw; // Use 1080p as the reference resolution to achieve consistent shadow lengths across various screen resolutions.
-        
-        float2 scaledUVs = samplingPoint * _HairShadowRTHandleScale.xy; // We have to including the scaling factor for our shadow map since we are not going to allocate new texture if the rendering resolution changed.
+
+        float2 scaledUVs = samplingPoint * _RTHandleScale.xy; // We have to including the scaling factor for our shadow map since we are not going to allocate new texture if the rendering resolution changed.
         float hairShadow = SAMPLE_TEXTURE2D_SHADOW(_HairShadowTex, s_linear_clamp_compare_sampler, float3(scaledUVs, posInput.deviceDepth + _HairShadowDepthBias)).r;
         shadow = lerp(1.0 - hairShadowOpacity, 1.0, hairShadow);
     }
-    
+
     return shadow;
 }
 
@@ -118,4 +119,4 @@ SHADOW_TYPE UtsEvaluateShadow_Punctual(LightLoopContext lightLoopContext, Positi
 #endif
 }
 
-#endif
+#endif

Runtime/Shaders/Includes/Properties/UtsHdrpProperties.hlsl

@@ -62,11 +62,11 @@ float _ToonIgnoreExposureMultiplier;
 
 float _Outline_MaxWidth;
 
-float4 _HairShadowRTHandleScale;
-float4 _HairBlendingRTHandleScale;
-
 float _HairShadowDistance;
 float _HairShadowDistanceScaleFactor;
 float _HairShadowDepthBias;
 float _HairShadowFadeInDistance;
 float _HairShadowFadeOutDistance;
+
+// float2 _HairShadowRTHandleScale;
+// float2 _HairBlendingRTHandleScale;

Runtime/Shaders/Includes/Properties/UtsTextures.hlsl

@@ -42,6 +42,8 @@ TEXTURE2D_X(_HairBlendingTex);
 TEXTURE2D(_IndirectDiffuseMatCapMap);
 TEXTURE2D(_IndirectSpecularMatCapMap);
 
+TEXTURE2D_ARRAY(_IndirectDiffuseRampMap);
+
 TEXTURE2D(_ClippingMask);
 
 TEXTURE2D(_AngelRingColorMap);

Runtime/Shaders/Includes/Properties/UtsUnityPerMaterial.hlsl

@@ -1,5 +1,7 @@
 // Surface Option
 float _SurfaceFeatures;
+half _AlphaCutoffEnable;
+float _AlphaCutoff;
 
 // Shading Color
 float4 _BaseColor;
@@ -7,8 +9,8 @@ float4 _BaseColorMap_ST;
 float4 _BaseColorMap_TexelSize;
 float4 _BaseColorMap_MipInfo;
 
-float _ShadingIndex;
-half _ShadingRampMask;
+int _ShadingIndex;
+float _ShadingRampMask;
 
 float4 _1stShadeColor;
 float4 _2ndShadeColor;
@@ -58,8 +60,8 @@ float _ToonSpecularFeather;
 float _BSDFContribution;
 float _EnergyConservingSpecularColor;
 
-float _SSSIntensity;
-int _Use_SSSLut;
+// float _SSSIntensity;
+// int _Use_SSSLut;
 
 float3 _EmissiveColor;
 half _AlbedoAffectEmissive;
@@ -70,6 +72,9 @@ float _ObjectSpaceUVMappingEmissive;
 // Ambient
 float _IndirectDiffuseMatCapLod;
 
+int _IndirectDiffuseRampIndex;
+float _IndirectDiffuseRampPosition;
+
 float _IndirectDiffuseIntensity;
 float _SSAOWeight;
 float _SSGIWeight;
@@ -114,15 +119,17 @@ float _HairBlendingFactor;
 // Advance
 half _ClampLightColor;
 float _LightIntensityMultiplier;
+float _Minimal_Diffuse_Contribution;
 
 // Light Loop
 float3 _ObjectCenterPositionWS;
 
-
 // NOTE: Not sure what these are for
 // float  _FirstShadeOverridden;
 // float  _SecondShadeOverridden;
 
+float _UseShadowThreshold;
+float _AlphaCutoffShadow;
 float _ComposerMaskMode;
 
 #if defined(_UTS_TOON_EV_PER_MODEL)

Runtime/Shaders/Includes/ShaderPass/HDRPToonHairBlending.hlsl

@@ -63,17 +63,16 @@ void Frag(PackedVaryingsToPS packedInput,
 #ifdef _DEPTHOFFSET_ON
             , out float outputDepth : SV_Depth
 #endif
-            )
+)
 {
     UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(packedInput);
     FragInputs input = UnpackVaryingsMeshToFragInputs(packedInput.vmesh);
-    
+
     float4 objPos = mul(unity_ObjectToWorld, float4(0, 0, 0, 1));
     float4 Set_UV0 = input.texCoord0;
-    
+
     // The following temporary definition of unity_AmbientEquator is for HDRP only.
     //float4 unity_AmbientEquator = float4(0.05, 0.05, 0.05, 1.0); //Todo.
-    //v.2.0.9
     //float3 envLightSource_GradientEquator = unity_AmbientEquator.rgb > 0.05 ? unity_AmbientEquator.rgb : half3(0.05, 0.05, 0.05);
     float3 envLightSource_GradientEquator = ShadeSH9(float4(0, 1, 0, 0));
     float3 envLightSource_SkyboxIntensity = max(
@@ -83,9 +82,9 @@ void Frag(PackedVaryingsToPS packedInput,
     float3 ambientSkyColor = envLightSource_SkyboxIntensity.rgb > 0.0 ? envLightSource_SkyboxIntensity : envLightSource_GradientEquator;
     ambientSkyColor *= GetCurrentExposureMultiplier();
 
-    float4 _BlendingTex_var = SAMPLE_TEXTURE2D(_HairBlendingMap, sampler_HairBlendingMap, TRANSFORM_TEX(Set_UV0, _BaseColorMap));
-    outColor = float4(_BlendingTex_var.rgb * ambientSkyColor, _BlendingTex_var.a);
-    
+    float4 blendingTex = SAMPLE_TEXTURE2D(_HairBlendingMap, sampler_HairBlendingMap, TRANSFORM_TEX(Set_UV0, _BaseColorMap));
+    outColor = float4(blendingTex.rgb + ambientSkyColor, blendingTex.a);
+
 #ifdef _DEPTHOFFSET_ON
     outputDepth = posInput.deviceDepth;
 #endif

Runtime/Shaders/Includes/ShaderPass/HDRPToonOutline.hlsl

@@ -82,12 +82,7 @@ void Frag(PackedVaryingsToPS packedInput,
         discard;
     }
 #endif
-#ifdef _IS_CLIPPING_MATTE
-    if (_ClippingMatteMode != 0)
-    {
-        discard;
-    }
-#endif // _IS_CLIPPING_MATTE
+
 #if defined(UTS_DEBUG_SHADOWMAP_NO_OUTLINE)
     discard;
 #endif

Runtime/Shaders/Includes/ShaderPass/UtsShaderPassForward.hlsl

@@ -146,31 +146,28 @@ void Frag(PackedVaryingsToPS packedInput,
     // Initialize the contactShadow and contactShadowFade fields
     InitContactShadow(posInput, context);
     
-    float channelAlpha = 0.0f;
-
     LightLoopOutput lightLoopOutput;
     ZERO_INITIALIZE(LightLoopOutput, lightLoopOutput);
     
     UtsLightLoop(input, posInput, bsdfData, builtinData, V, featureFlags, lightLoopOutput);
     
     float3 finalColor = lightLoopOutput.diffuseLighting + lightLoopOutput.specularLighting;
-    
-#ifdef _IS_TRANSCLIPPING_OFF
-    
-    outColor = float4(finalColor, 1 * ApplyChannelAlpha(channelAlpha));
 
-#elif _IS_TRANSCLIPPING_ON
     
-    float Set_Opacity = saturate((inverseClipping + _Tweak_transparency));
-    
-    outColor = EvaluateAtmosphericScattering(posInput, V, float4(finalColor, 1));
-    outColor = float4(outColor.rgb, Set_Opacity * ApplyChannelAlpha(channelAlpha));
-#endif
+// #if _SURFACE_TYPE_TRANSPARENT
+//     float alpha = channelAlpha;
+//     outColor = EvaluateAtmosphericScattering(posInput, V, float4(finalColor, 1));
+// #else
+//     float alpha = lerp(1.0, channelAlpha, _AlphaCutoffEnable);
+// #endif
+//
+//     alpha = lerp(alpha, step(_AlphaCutoff, alpha), _AlphaCutoffEnable);
+    outColor = float4(finalColor, 1.0);
 
 #if _MATERIAL_TYPE_FRONTHAIR && ENABLE_UTS_HAIR_BLENDING
-    float2 screenUV = posInput.positionNDC * _HairBlendingRTHandleScale.xy;
-    float4 hairBlendingMap = LOAD_TEXTURE2D_X(_HairBlendingTex, screenUV);
-    outColor.rgb = lerp(outColor.rgb, hairBlendingMap.rgb, hairBlendingMap.a * _HairBlendingFactor);
+    float2 screenUV = posInput.positionSS; // * _HairBlendingRTHandleScale.xy; // Why we don't need to scale? Does unity handle it internally?
+    float4 hairBlendingTex = LOAD_TEXTURE2D_X(_HairBlendingTex, screenUV);
+    outColor.rgb = lerp(outColor.rgb, hairBlendingTex.rgb, hairBlendingTex.a * _HairBlendingFactor);
 #endif
 
 #if UTS_DEBUG_SHADOWMAP || UTS_DEBUG_SELFSHADOW
@@ -187,7 +184,7 @@ void Frag(PackedVaryingsToPS packedInput,
 #endif
 #endif // ifdef UTS_DEBUG_SHADOWMAP
 #endif // defined(UTS_DEBUG_SHADOWMAP) || defined(UTS_DEBUG_SELFSHADOW)
-    
+
 #ifdef _DEPTHOFFSET_ON
     outputDepth = posInput.deviceDepth;
 #endif
@@ -196,4 +193,4 @@ void Frag(PackedVaryingsToPS packedInput,
     outVTFeedback = builtinData.vtPackedFeedback;
 #endif
 
-}
+}

Runtime/UTS Renderer/UTSPass.cs

@@ -21,15 +21,12 @@ namespace Misaki.HdrpToon
         private const string _TOON_LIGHT_FILTER_PROP_NAME = "_ToonLightHiCutFilter";
         private const string _IGNORE_VOLUME_EXPOSURE_PROP_NAME = "_ToonIgnoreExposureMultiplier";
 
-        private const string _HAIR_SHADOW_RTHANDLE_SCALE_PROP_NAME = "_HairShadowRTHandleScale";
         private const string _HAIR_SHADOW_DISTANCE_PROP_NAME = "_HairShadowDistance";
         private const string _HAIR_SHADOW_DISTANCE_SCALE_PROP_NAME = "_HairShadowDistanceScaleFactor";
         private const string _HAIR_SHADOW_DEPTH_BIAS_PROP_NAME = "_HairShadowDepthBias";
         private const string _HAIR_SHADOW_FADEIN_PROP_NAME = "_HairShadowFadeInDistance";
         private const string _HAIR_SHADOW_FADE_OUT_PROP_NAME = "_HairShadowFadeOutDistance";
 
-        private const string _HAIR_BLENDING_RTHANDLE_SCALE_PROP_NAME = "_HairBlendingRTHandleScale";
-
         private const string _HAIR_SHADOW_RT_PROP_NAME = "_HairShadowTex";
         private const string _HAIR_BLENDING_PROP_NAME = "_HairBlendingTex";
 
@@ -43,7 +40,9 @@ namespace Misaki.HdrpToon
         private RTHandle _hairShadowRTHandle;
         private bool _needReallocateHairShadow;
 
+        // TODO: Possible to avoid another RTHandle for depth?
         private RTHandle _hairBlendingRTHandle;
+        private RTHandle _hairBlendingDepthRTHandle;
         private bool _needReallocateHairBlending;
 
         private bool _enableHairShadow;
@@ -142,15 +141,16 @@ namespace Misaki.HdrpToon
             }
 #endif
 
-            var scale = _hairShadowQuality switch
+            // Use R8 or R16 directly?
+            var format = _hairShadowQuality switch
             {
-                BufferQuality.Low => new Vector2(0.5f, 0.5f),
-                BufferQuality.High => Vector2.one,
-                _ => Vector2.zero
+                BufferQuality.Low => GraphicsFormat.D16_UNorm,
+                BufferQuality.High => GraphicsFormat.D32_SFloat,
+                _ => GraphicsFormat.R16G16B16A16_SFloat
             };
 
             _hairShadowRTHandle?.Release();
-            _hairShadowRTHandle = RTHandles.Alloc(scale, useDynamicScale: true, format: GraphicsFormat.D16_UNorm, isShadowMap: true, name: _HAIR_SHADOW_RT_PROP_NAME);
+            _hairShadowRTHandle = RTHandles.Alloc(Vector2.one, useDynamicScale: true, format: format, isShadowMap: true, name: _HAIR_SHADOW_RT_PROP_NAME);
             Shader.SetGlobalTexture(_HAIR_SHADOW_RT_PROP_NAME, _hairShadowRTHandle);
 
             _needReallocateHairShadow = false;
@@ -179,6 +179,13 @@ namespace Misaki.HdrpToon
 
             _hairBlendingRTHandle?.Release();
             _hairBlendingRTHandle = RTHandles.Alloc(Vector2.one, useDynamicScale: true, dimension: TextureXR.dimension, colorFormat: format, name: _HAIR_BLENDING_PROP_NAME);
+
+            if (_hairBlendingDepthRTHandle == null || _hairBlendingDepthRTHandle.rt == null || !_hairBlendingDepthRTHandle.rt.IsCreated())
+            {
+                _hairBlendingDepthRTHandle?.Release();
+                _hairBlendingDepthRTHandle = RTHandles.Alloc(Vector2.one, useDynamicScale: true, dimension: TextureXR.dimension, colorFormat: GraphicsFormat.D16_UNorm, name: _HAIR_BLENDING_PROP_NAME + "_depth");
+            }
+
             Shader.SetGlobalTexture(_HAIR_BLENDING_PROP_NAME, _hairBlendingRTHandle);
 
             _needReallocateHairBlending = false;
@@ -274,7 +281,6 @@ namespace Misaki.HdrpToon
 
                 CoreUtils.DrawRendererList(ctx.renderContext, ctx.cmd, ctx.renderContext.CreateRendererList(result));
 
-                Shader.SetGlobalVector(_HAIR_SHADOW_RTHANDLE_SCALE_PROP_NAME, _hairShadowRTHandle.rtHandleProperties.rtHandleScale);
                 Shader.SetGlobalFloat(_HAIR_SHADOW_DISTANCE_PROP_NAME, utsRenderer.shadowDistance.value);
                 Shader.SetGlobalFloat(_HAIR_SHADOW_DISTANCE_SCALE_PROP_NAME, utsRenderer.shadowDistanceScale.value);
                 Shader.SetGlobalFloat(_HAIR_SHADOW_DEPTH_BIAS_PROP_NAME, utsRenderer.shadowDepthBias.value);
@@ -298,7 +304,7 @@ namespace Misaki.HdrpToon
 
             using (new ProfilingScope(ctx.cmd, _hairBlendingProfilingSampler))
             {
-                CoreUtils.SetRenderTarget(ctx.cmd, _hairBlendingRTHandle, ctx.cameraDepthBuffer, ClearFlag.Color);
+                CoreUtils.SetRenderTarget(ctx.cmd, _hairBlendingRTHandle, _hairBlendingDepthRTHandle, ClearFlag.Color | ClearFlag.Depth);
 
                 var result = new RendererListDesc(UtsShaderPassName.hairBlendingTargetPassId, ctx.cullingResults, ctx.hdCamera.camera)
                 {
@@ -308,7 +314,6 @@ namespace Misaki.HdrpToon
                 };
 
                 CoreUtils.DrawRendererList(ctx.renderContext, ctx.cmd, ctx.renderContext.CreateRendererList(result));
-                Shader.SetGlobalVector(_HAIR_BLENDING_RTHANDLE_SCALE_PROP_NAME, _hairBlendingRTHandle.rtHandleProperties.rtHandleScale);
             }
         }
 
@@ -326,6 +331,7 @@ namespace Misaki.HdrpToon
             _exposureArray = null;
             _hairShadowRTHandle?.Release();
             _hairBlendingRTHandle?.Release();
+            _hairBlendingDepthRTHandle?.Release();
         }
     }
-}
+}