Update ShaderReplacementFixer for 7.0

Penumbra/Interop/Hooks/PostProcessing/ShaderReplacementFixer.cs

@@ -19,9 +19,24 @@ public sealed unsafe class ShaderReplacementFixer : IDisposable, IRequiredServic
     public static ReadOnlySpan<byte> SkinShpkName
         => "skin.shpk"u8;
 
+    public static ReadOnlySpan<byte> IrisShpkName
+        => "iris.shpk"u8;
+
     public static ReadOnlySpan<byte> CharacterGlassShpkName
         => "characterglass.shpk"u8;
 
+    public static ReadOnlySpan<byte> CharacterTransparencyShpkName
+        => "charactertransparency.shpk"u8;
+
+    public static ReadOnlySpan<byte> CharacterTattooShpkName
+        => "charactertattoo.shpk"u8;
+
+    public static ReadOnlySpan<byte> CharacterOcclusionShpkName
+        => "characterocclusion.shpk"u8;
+
+    public static ReadOnlySpan<byte> HairMaskShpkName
+        => "hairmask.shpk"u8;
+
     private delegate nint CharacterBaseOnRenderMaterialDelegate(CharacterBase* drawObject, CSModelRenderer.OnRenderMaterialParams* param);
 
     private delegate nint ModelRendererOnRenderMaterialDelegate(CSModelRenderer* modelRenderer, ushort* outFlags,
@@ -36,26 +51,36 @@ public sealed unsafe class ShaderReplacementFixer : IDisposable, IRequiredServic
     private readonly CharacterUtility         _utility;
     private readonly ModelRenderer            _modelRenderer;
 
-    // MaterialResourceHandle set
+    private readonly ModdedShaderPackageState _skinState;
-    private readonly ConcurrentSet<nint> _moddedSkinShpkMaterials           = new();
+    private readonly ModdedShaderPackageState _irisState;
-    private readonly ConcurrentSet<nint> _moddedCharacterGlassShpkMaterials = new();
+    private readonly ModdedShaderPackageState _characterGlassState;
-
+    private readonly ModdedShaderPackageState _characterTransparencyState;
-    private readonly object _skinLock           = new();
+    private readonly ModdedShaderPackageState _characterTattooState;
-    private readonly object _characterGlassLock = new();
+    private readonly ModdedShaderPackageState _characterOcclusionState;
-
+    private readonly ModdedShaderPackageState _hairMaskState;
-    // ConcurrentDictionary.Count uses a lock in its current implementation.
-    private int   _moddedSkinShpkCount;
-    private int   _moddedCharacterGlassShpkCount;
-    private ulong _skinSlowPathCallDelta;
-    private ulong _characterGlassSlowPathCallDelta;
 
     public bool Enabled { get; internal set; } = true;
 
-    public int ModdedSkinShpkCount
+    public uint ModdedSkinShpkCount
-        => _moddedSkinShpkCount;
+        => _skinState.MaterialCount;
 
-    public int ModdedCharacterGlassShpkCount
+    public uint ModdedIrisShpkCount
-        => _moddedCharacterGlassShpkCount;
+        => _irisState.MaterialCount;
+
+    public uint ModdedCharacterGlassShpkCount
+        => _characterGlassState.MaterialCount;
+
+    public uint ModdedCharacterTransparencyShpkCount
+        => _characterTransparencyState.MaterialCount;
+
+    public uint ModdedCharacterTattooShpkCount
+        => _characterTattooState.MaterialCount;
+
+    public uint ModdedCharacterOcclusionShpkCount
+        => _characterOcclusionState.MaterialCount;
+
+    public uint ModdedHairMaskShpkCount
+        => _hairMaskState.MaterialCount;
 
     public ShaderReplacementFixer(ResourceHandleDestructor resourceHandleDestructor, CharacterUtility utility, ModelRenderer modelRenderer,
         CommunicatorService communicator, HookManager hooks, CharacterBaseVTables vTables)
@@ -64,7 +89,18 @@ public sealed unsafe class ShaderReplacementFixer : IDisposable, IRequiredServic
         _utility                  = utility;
         _modelRenderer            = modelRenderer;
         _communicator             = communicator;
-        _humanOnRenderMaterialHook = hooks.CreateHook<CharacterBaseOnRenderMaterialDelegate>("Human.OnRenderMaterial", vTables.HumanVTable[62],
+
+        _skinState = new(
+            () => (ShaderPackageResourceHandle**)&_utility.Address->SkinShpkResource,
+            () => (ShaderPackageResourceHandle*)_utility.DefaultSkinShpkResource);
+        _irisState                  = new(() => _modelRenderer.IrisShaderPackage,                  () => _modelRenderer.DefaultIrisShaderPackage);
+        _characterGlassState        = new(() => _modelRenderer.CharacterGlassShaderPackage,        () => _modelRenderer.DefaultCharacterGlassShaderPackage);
+        _characterTransparencyState = new(() => _modelRenderer.CharacterTransparencyShaderPackage, () => _modelRenderer.DefaultCharacterTransparencyShaderPackage);
+        _characterTattooState       = new(() => _modelRenderer.CharacterTattooShaderPackage,       () => _modelRenderer.DefaultCharacterTattooShaderPackage);
+        _characterOcclusionState    = new(() => _modelRenderer.CharacterOcclusionShaderPackage,    () => _modelRenderer.DefaultCharacterOcclusionShaderPackage);
+        _hairMaskState              = new(() => _modelRenderer.HairMaskShaderPackage,              () => _modelRenderer.DefaultHairMaskShaderPackage);
+
+        _humanOnRenderMaterialHook = hooks.CreateHook<CharacterBaseOnRenderMaterialDelegate>("Human.OnRenderMaterial", vTables.HumanVTable[64],
             OnRenderHumanMaterial, HookSettings.PostProcessingHooks).Result;
         _modelRendererOnRenderMaterialHook = hooks.CreateHook<ModelRendererOnRenderMaterialDelegate>("ModelRenderer.OnRenderMaterial",
             Sigs.ModelRendererOnRenderMaterial, ModelRendererOnRenderMaterialDetour, HookSettings.PostProcessingHooks).Result;
@@ -78,14 +114,23 @@ public sealed unsafe class ShaderReplacementFixer : IDisposable, IRequiredServic
         _humanOnRenderMaterialHook.Dispose();
         _communicator.MtrlShpkLoaded.Unsubscribe(OnMtrlShpkLoaded);
         _resourceHandleDestructor.Unsubscribe(OnResourceHandleDestructor);
-        _moddedCharacterGlassShpkMaterials.Clear();
+        _hairMaskState.ClearMaterials();
-        _moddedSkinShpkMaterials.Clear();
+        _characterOcclusionState.ClearMaterials();
-        _moddedCharacterGlassShpkCount = 0;
+        _characterTattooState.ClearMaterials();
-        _moddedSkinShpkCount           = 0;
+        _characterTransparencyState.ClearMaterials();
+        _characterGlassState.ClearMaterials();
+        _irisState.ClearMaterials();
+        _skinState.ClearMaterials();
     }
 
-    public (ulong Skin, ulong CharacterGlass) GetAndResetSlowPathCallDeltas()
+    public (ulong Skin, ulong Iris, ulong CharacterGlass, ulong CharacterTransparency, ulong CharacterTattoo, ulong CharacterOcclusion, ulong HairMask) GetAndResetSlowPathCallDeltas()
-        => (Interlocked.Exchange(ref _skinSlowPathCallDelta, 0), Interlocked.Exchange(ref _characterGlassSlowPathCallDelta, 0));
+        => (_skinState.GetAndResetSlowPathCallDelta(),
+            _irisState.GetAndResetSlowPathCallDelta(),
+            _characterGlassState.GetAndResetSlowPathCallDelta(),
+            _characterTransparencyState.GetAndResetSlowPathCallDelta(),
+            _characterTattooState.GetAndResetSlowPathCallDelta(),
+            _characterOcclusionState.GetAndResetSlowPathCallDelta(),
+            _hairMaskState.GetAndResetSlowPathCallDelta());
 
     private static bool IsMaterialWithShpk(MaterialResourceHandle* mtrlResource, ReadOnlySpan<byte> shpkName)
     {
@@ -103,53 +148,98 @@ public sealed unsafe class ShaderReplacementFixer : IDisposable, IRequiredServic
             return;
 
         var shpkName  = mtrl->ShpkNameSpan;
+        var shpkState = GetStateForHuman(shpkName) ?? GetStateForModelRenderer(shpkName);
 
-        if (SkinShpkName.SequenceEqual(shpkName) && (nint)shpk != _utility.DefaultSkinShpkResource)
+        if (shpkState != null && shpk != shpkState.DefaultShaderPackage)
-            if (_moddedSkinShpkMaterials.TryAdd(mtrlResourceHandle))
+            shpkState.TryAddMaterial(mtrlResourceHandle);
-                Interlocked.Increment(ref _moddedSkinShpkCount);
-
-        if (CharacterGlassShpkName.SequenceEqual(shpkName) && shpk != _modelRenderer.DefaultCharacterGlassShaderPackage)
-            if (_moddedCharacterGlassShpkMaterials.TryAdd(mtrlResourceHandle))
-                Interlocked.Increment(ref _moddedCharacterGlassShpkCount);
     }
 
     private void OnResourceHandleDestructor(Structs.ResourceHandle* handle)
     {
-        if (_moddedSkinShpkMaterials.TryRemove((nint)handle))
+        _skinState.TryRemoveMaterial(handle);
-            Interlocked.Decrement(ref _moddedSkinShpkCount);
+        _irisState.TryRemoveMaterial(handle);
-
+        _characterGlassState.TryRemoveMaterial(handle);
-        if (_moddedCharacterGlassShpkMaterials.TryRemove((nint)handle))
+        _characterTransparencyState.TryRemoveMaterial(handle);
-            Interlocked.Decrement(ref _moddedCharacterGlassShpkCount);
+        _characterTattooState.TryRemoveMaterial(handle);
+        _characterOcclusionState.TryRemoveMaterial(handle);
+        _hairMaskState.TryRemoveMaterial(handle);
     }
 
+    private ModdedShaderPackageState? GetStateForHuman(MaterialResourceHandle* mtrlResource)
+        => mtrlResource == null ? null : GetStateForHuman(mtrlResource->ShpkNameSpan);
+
+    private ModdedShaderPackageState? GetStateForHuman(ReadOnlySpan<byte> shpkName)
+    {
+        if (SkinShpkName.SequenceEqual(shpkName))
+            return _skinState;
+
+        return null;
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+    private uint GetTotalMaterialCountForHuman()
+        => _skinState.MaterialCount;
+
+    private ModdedShaderPackageState? GetStateForModelRenderer(MaterialResourceHandle* mtrlResource)
+        => mtrlResource == null ? null : GetStateForModelRenderer(mtrlResource->ShpkNameSpan);
+
+    private ModdedShaderPackageState? GetStateForModelRenderer(ReadOnlySpan<byte> shpkName)
+    {
+        if (IrisShpkName.SequenceEqual(shpkName))
+            return _irisState;
+
+        if (CharacterGlassShpkName.SequenceEqual(shpkName))
+            return _characterGlassState;
+
+        if (CharacterTransparencyShpkName.SequenceEqual(shpkName))
+            return _characterTransparencyState;
+
+        if (CharacterTattooShpkName.SequenceEqual(shpkName))
+            return _characterTattooState;
+
+        if (CharacterOcclusionShpkName.SequenceEqual(shpkName))
+            return _characterOcclusionState;
+
+        if (HairMaskShpkName.SequenceEqual(shpkName))
+            return _hairMaskState;
+
+        return null;
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+    private uint GetTotalMaterialCountForModelRenderer()
+        => _irisState.MaterialCount + _characterGlassState.MaterialCount + _characterTransparencyState.MaterialCount + _characterTattooState.MaterialCount + _characterOcclusionState.MaterialCount + _hairMaskState.MaterialCount;
+
     private nint OnRenderHumanMaterial(CharacterBase* human, CSModelRenderer.OnRenderMaterialParams* param)
     {
         // If we don't have any on-screen instances of modded skin.shpk, we don't need the slow path at all.
-        if (!Enabled || _moddedSkinShpkCount == 0)
+        if (!Enabled || GetTotalMaterialCountForHuman() == 0)
             return _humanOnRenderMaterialHook.Original(human, param);
 
         var material     = param->Model->Materials[param->MaterialIndex];
         var mtrlResource = material->MaterialResourceHandle;
-        if (!IsMaterialWithShpk(mtrlResource, SkinShpkName))
+        var shpkState    = GetStateForHuman(mtrlResource);
+        if (shpkState == null)
             return _humanOnRenderMaterialHook.Original(human, param);
 
-        Interlocked.Increment(ref _skinSlowPathCallDelta);
+        shpkState.IncrementSlowPathCallDelta();
 
         // Performance considerations:
         // - This function is called from several threads simultaneously, hence the need for synchronization in the swapping path ;
         // - Function is called each frame for each material on screen, after culling, i.e. up to thousands of times a frame in crowded areas ;
         // - Swapping path is taken up to hundreds of times a frame.
         // At the time of writing, the lock doesn't seem to have a noticeable impact in either frame rate or CPU usage, but the swapping path shall still be avoided as much as possible.
-        lock (_skinLock)
+        lock (shpkState)
         {
+            var shpkReference = shpkState.ShaderPackageReference;
             try
             {
-                _utility.Address->SkinShpkResource = (Structs.ResourceHandle*)mtrlResource->ShaderPackageResourceHandle;
+                *shpkReference = mtrlResource->ShaderPackageResourceHandle;
                 return _humanOnRenderMaterialHook.Original(human, param);
             }
             finally
             {
-                _utility.Address->SkinShpkResource = (Structs.ResourceHandle*)_utility.DefaultSkinShpkResource;
+                *shpkReference = shpkState.DefaultShaderPackage;
             }
         }
     }
@@ -158,27 +248,91 @@ public sealed unsafe class ShaderReplacementFixer : IDisposable, IRequiredServic
         CSModelRenderer.OnRenderModelParams* param, Material* material, uint materialIndex)
     {
         // If we don't have any on-screen instances of modded characterglass.shpk, we don't need the slow path at all.
-        if (!Enabled || _moddedCharacterGlassShpkCount == 0)
+        if (!Enabled || GetTotalMaterialCountForModelRenderer() == 0)
             return _modelRendererOnRenderMaterialHook.Original(modelRenderer, outFlags, param, material, materialIndex);
 
         var mtrlResource = material->MaterialResourceHandle;
-        if (!IsMaterialWithShpk(mtrlResource, CharacterGlassShpkName))
+        var shpkState    = GetStateForModelRenderer(mtrlResource);
+        if (shpkState == null)
             return _modelRendererOnRenderMaterialHook.Original(modelRenderer, outFlags, param, material, materialIndex);
 
-        Interlocked.Increment(ref _characterGlassSlowPathCallDelta);
+        shpkState.IncrementSlowPathCallDelta();
 
         // Same performance considerations as above.
-        lock (_characterGlassLock)
+        lock (shpkState)
         {
+            var shpkReference = shpkState.ShaderPackageReference;
             try
             {
-                *_modelRenderer.CharacterGlassShaderPackage = mtrlResource->ShaderPackageResourceHandle;
+                *shpkReference = mtrlResource->ShaderPackageResourceHandle;
                 return _modelRendererOnRenderMaterialHook.Original(modelRenderer, outFlags, param, material, materialIndex);
             }
             finally
             {
-                *_modelRenderer.CharacterGlassShaderPackage = _modelRenderer.DefaultCharacterGlassShaderPackage;
+                *shpkReference = shpkState.DefaultShaderPackage;
             }
         }
     }
+
+    private sealed class ModdedShaderPackageState(ShaderPackageReferenceGetter referenceGetter, DefaultShaderPackageGetter defaultGetter)
+    {
+        // MaterialResourceHandle set
+        private readonly ConcurrentSet<nint> _materials = new();
+
+        // ConcurrentDictionary.Count uses a lock in its current implementation.
+        private uint _materialCount = 0;
+
+        private ulong _slowPathCallDelta = 0;
+
+        public uint MaterialCount
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+            get => _materialCount;
+        }
+
+        public ShaderPackageResourceHandle** ShaderPackageReference
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+            get => referenceGetter();
+        }
+
+        public ShaderPackageResourceHandle* DefaultShaderPackage
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+            get => defaultGetter();
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+        public void TryAddMaterial(nint mtrlResourceHandle)
+        {
+            if (_materials.TryAdd(mtrlResourceHandle))
+                Interlocked.Increment(ref _materialCount);
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+        public void TryRemoveMaterial(Structs.ResourceHandle* handle)
+        {
+            if (_materials.TryRemove((nint)handle))
+                Interlocked.Decrement(ref _materialCount);
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+        public void ClearMaterials()
+        {
+            _materials.Clear();
+            _materialCount = 0;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+        public void IncrementSlowPathCallDelta()
+            => Interlocked.Increment(ref _slowPathCallDelta);
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
+        public ulong GetAndResetSlowPathCallDelta()
+            => Interlocked.Exchange(ref _slowPathCallDelta, 0);
+    }
+
+    private delegate ShaderPackageResourceHandle* DefaultShaderPackageGetter();
+
+    private delegate ShaderPackageResourceHandle** ShaderPackageReferenceGetter();
 }

Penumbra/Interop/Services/ModelRenderer.cs

@@ -9,6 +9,13 @@ public unsafe class ModelRenderer : IDisposable, IRequiredService
 {
     public bool Ready { get; private set; }
 
+    public ShaderPackageResourceHandle** IrisShaderPackage
+        => Manager.Instance() switch
+        {
+            null              => null,
+            var renderManager => &renderManager->ModelRenderer.IrisShaderPackage,
+        };
+
     public ShaderPackageResourceHandle** CharacterGlassShaderPackage
         => Manager.Instance() switch
         {
@@ -16,8 +23,46 @@ public unsafe class ModelRenderer : IDisposable, IRequiredService
             var renderManager => &renderManager->ModelRenderer.CharacterGlassShaderPackage,
         };
 
+    public ShaderPackageResourceHandle** CharacterTransparencyShaderPackage
+        => Manager.Instance() switch
+        {
+            null              => null,
+            var renderManager => &renderManager->ModelRenderer.CharacterTransparencyShaderPackage,
+        };
+
+    public ShaderPackageResourceHandle** CharacterTattooShaderPackage
+        => Manager.Instance() switch
+        {
+            null              => null,
+            var renderManager => &renderManager->ModelRenderer.CharacterTattooShaderPackage,
+        };
+
+    public ShaderPackageResourceHandle** CharacterOcclusionShaderPackage
+        => Manager.Instance() switch
+        {
+            null              => null,
+            var renderManager => &renderManager->ModelRenderer.CharacterOcclusionShaderPackage,
+        };
+
+    public ShaderPackageResourceHandle** HairMaskShaderPackage
+        => Manager.Instance() switch
+        {
+            null              => null,
+            var renderManager => &renderManager->ModelRenderer.HairMaskShaderPackage,
+        };
+
+    public ShaderPackageResourceHandle* DefaultIrisShaderPackage { get; private set; }
+
     public ShaderPackageResourceHandle* DefaultCharacterGlassShaderPackage { get; private set; }
 
+    public ShaderPackageResourceHandle* DefaultCharacterTransparencyShaderPackage { get; private set; }
+
+    public ShaderPackageResourceHandle* DefaultCharacterTattooShaderPackage { get; private set; }
+
+    public ShaderPackageResourceHandle* DefaultCharacterOcclusionShaderPackage { get; private set; }
+
+    public ShaderPackageResourceHandle* DefaultHairMaskShaderPackage { get; private set; }
+
     private readonly IFramework _framework;
 
     public ModelRenderer(IFramework framework)
@@ -36,12 +81,42 @@ public unsafe class ModelRenderer : IDisposable, IRequiredService
 
         var anyMissing = false;
 
+        if (DefaultIrisShaderPackage == null)
+        {
+            DefaultIrisShaderPackage =  *IrisShaderPackage;
+            anyMissing               |= DefaultIrisShaderPackage == null;
+        }
+
         if (DefaultCharacterGlassShaderPackage == null)
         {
             DefaultCharacterGlassShaderPackage =  *CharacterGlassShaderPackage;
             anyMissing                         |= DefaultCharacterGlassShaderPackage == null;
         }
 
+        if (DefaultCharacterTransparencyShaderPackage == null)
+        {
+            DefaultCharacterTransparencyShaderPackage =  *CharacterTransparencyShaderPackage;
+            anyMissing                               |= DefaultCharacterTransparencyShaderPackage == null;
+        }
+
+        if (DefaultCharacterTattooShaderPackage == null)
+        {
+            DefaultCharacterTattooShaderPackage =  *CharacterTattooShaderPackage;
+            anyMissing                          |= DefaultCharacterTattooShaderPackage == null;
+        }
+
+        if (DefaultCharacterOcclusionShaderPackage == null)
+        {
+            DefaultCharacterOcclusionShaderPackage =  *CharacterOcclusionShaderPackage;
+            anyMissing                             |= DefaultCharacterOcclusionShaderPackage == null;
+        }
+
+        if (DefaultHairMaskShaderPackage == null)
+        {
+            DefaultHairMaskShaderPackage =  *HairMaskShaderPackage;
+            anyMissing                   |= DefaultHairMaskShaderPackage == null;
+        }
+
         if (anyMissing)
             return;
 
@@ -55,7 +130,12 @@ public unsafe class ModelRenderer : IDisposable, IRequiredService
         if (!Ready)
             return;
 
+        *HairMaskShaderPackage              = DefaultHairMaskShaderPackage;
+        *CharacterOcclusionShaderPackage    = DefaultCharacterOcclusionShaderPackage;
+        *CharacterTattooShaderPackage       = DefaultCharacterTattooShaderPackage;
+        *CharacterTransparencyShaderPackage = DefaultCharacterTransparencyShaderPackage;
         *CharacterGlassShaderPackage        = DefaultCharacterGlassShaderPackage;
+        *IrisShaderPackage                  = DefaultIrisShaderPackage;
     }
 
     public void Dispose()

Penumbra/UI/Tabs/Debug/DebugTab.cs

@@ -177,6 +177,8 @@ public class DebugTab : Window, ITab, IUiService
         ImGui.NewLine();
         DrawDebugCharacterUtility();
         ImGui.NewLine();
+        DrawShaderReplacementFixer();
+        ImGui.NewLine();
         DrawData();
         ImGui.NewLine();
         DrawResourceProblems();
@@ -711,27 +713,6 @@ public class DebugTab : Window, ITab, IUiService
         if (!ImGui.CollapsingHeader("Character Utility"))
             return;
 
-        var enableShaderReplacementFixer = _shaderReplacementFixer.Enabled;
-        if (ImGui.Checkbox("Enable Shader Replacement Fixer", ref enableShaderReplacementFixer))
-            _shaderReplacementFixer.Enabled = enableShaderReplacementFixer;
-
-        if (enableShaderReplacementFixer)
-        {
-            ImGui.SameLine();
-            ImGui.Dummy(ImGuiHelpers.ScaledVector2(20, 0));
-            var slowPathCallDeltas = _shaderReplacementFixer.GetAndResetSlowPathCallDeltas();
-            ImGui.SameLine();
-            ImGui.TextUnformatted($"\u0394 Slow-Path Calls for skin.shpk: {slowPathCallDeltas.Skin}");
-            ImGui.SameLine();
-            ImGui.TextUnformatted($"characterglass.shpk: {slowPathCallDeltas.CharacterGlass}");
-            ImGui.SameLine();
-            ImGui.Dummy(ImGuiHelpers.ScaledVector2(20, 0));
-            ImGui.SameLine();
-            ImGui.TextUnformatted($"Materials with Modded skin.shpk: {_shaderReplacementFixer.ModdedSkinShpkCount}");
-            ImGui.SameLine();
-            ImGui.TextUnformatted($"characterglass.shpk: {_shaderReplacementFixer.ModdedCharacterGlassShpkCount}");
-        }
-
         using var table = Table("##CharacterUtility", 7, ImGuiTableFlags.RowBg | ImGuiTableFlags.SizingFixedFit,
             -Vector2.UnitX);
         if (!table)
@@ -786,6 +767,80 @@ public class DebugTab : Window, ITab, IUiService
         }
     }
 
+    private void DrawShaderReplacementFixer()
+    {
+        if (!ImGui.CollapsingHeader("Shader Replacement Fixer"))
+            return;
+
+        var enableShaderReplacementFixer = _shaderReplacementFixer.Enabled;
+        if (ImGui.Checkbox("Enable Shader Replacement Fixer", ref enableShaderReplacementFixer))
+            _shaderReplacementFixer.Enabled = enableShaderReplacementFixer;
+
+        if (!enableShaderReplacementFixer)
+            return;
+
+        using var table = Table("##ShaderReplacementFixer", 3, ImGuiTableFlags.RowBg | ImGuiTableFlags.SizingFixedFit,
+            -Vector2.UnitX);
+        if (!table)
+            return;
+
+        var slowPathCallDeltas = _shaderReplacementFixer.GetAndResetSlowPathCallDeltas();
+
+        ImGui.TableSetupColumn("Shader Package Name",        ImGuiTableColumnFlags.WidthStretch, 0.6f);
+        ImGui.TableSetupColumn("Materials with Modded ShPk", ImGuiTableColumnFlags.WidthStretch, 0.2f);
+        ImGui.TableSetupColumn("\u0394 Slow-Path Calls",     ImGuiTableColumnFlags.WidthStretch, 0.2f);
+        ImGui.TableHeadersRow();
+
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted("skin.shpk");
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted($"{_shaderReplacementFixer.ModdedSkinShpkCount}");
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted($"{slowPathCallDeltas.Skin}");
+
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted("iris.shpk");
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted($"{_shaderReplacementFixer.ModdedIrisShpkCount}");
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted($"{slowPathCallDeltas.Iris}");
+
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted("characterglass.shpk");
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted($"{_shaderReplacementFixer.ModdedCharacterGlassShpkCount}");
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted($"{slowPathCallDeltas.CharacterGlass}");
+
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted("charactertransparency.shpk");
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted($"{_shaderReplacementFixer.ModdedCharacterTransparencyShpkCount}");
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted($"{slowPathCallDeltas.CharacterTransparency}");
+
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted("charactertattoo.shpk");
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted($"{_shaderReplacementFixer.ModdedCharacterTattooShpkCount}");
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted($"{slowPathCallDeltas.CharacterTattoo}");
+
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted("characterocclusion.shpk");
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted($"{_shaderReplacementFixer.ModdedCharacterOcclusionShpkCount}");
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted($"{slowPathCallDeltas.CharacterOcclusion}");
+
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted("hairmask.shpk");
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted($"{_shaderReplacementFixer.ModdedHairMaskShpkCount}");
+        ImGui.TableNextColumn();
+        ImGui.TextUnformatted($"{slowPathCallDeltas.HairMask}");
+    }
+
     /// <summary> Draw information about the resident resource files. </summary>
     private unsafe void DrawDebugResidentResources()
     {