Added stencil options.

Also added options for ZWrite and ColorMask.

Cancerspace.shader

@@ -4,6 +4,16 @@
 
 		[Enum(UnityEngine.Rendering.CullMode)] _CullMode ("Cull Mode", Float) = 0
 		[Enum(UnityEngine.Rendering.CompareFunction)] _ZTest ("ZTest", Int) = 4
+		[Enum(Off, 0, On, 1)] _ZWrite ("ZWrite", Int) = 1
+		_ColorMask ("Color Mask", Int) = 15
+
+		_StencilRef ("Ref", Int) = 0
+		[Enum(UnityEngine.Rendering.CompareFunction)] _StencilComp ("Compare Function", Int) = 8
+		[Enum(UnityEngine.Rendering.StencilOp)] _StencilPassOp ("Pass Operation", Int) = 0
+		[Enum(UnityEngine.Rendering.StencilOp)] _StencilFailOp ("Fail Operation", Int) = 0
+		[Enum(UnityEngine.Rendering.StencilOp)] _StencilZFailOp ("ZFail Operation", Int) = 0
+		_StencilReadMask ("Read Mask", Int) = 255
+		_StencilWriteMask ("Write Mask", Int) = 255
 
 		_Puffiness ("Puffiness", Float) = 0
 
@@ -52,8 +62,20 @@
 	SubShader {
 		Tags { "Queue" = "Transparent+3" }
 
+		Stencil {
+			Ref [_StencilRef]
+			ReadMask [_StencilReadMask]
+			WriteMask [_StencilWriteMask]
+			Comp [_StencilComp]
+			Pass [_StencilPassOp]
+			Fail [_StencilFailOp]
+			ZFail [_StencilZFailOp]
+		}
+
 		Cull [_CullMode]
 		ZTest [_ZTest]
+		ZWrite [_ZWrite]
+		ColorMask [_ColorMask]
 
 		GrabPass { "_Garb" }
 

Editor/CancerspaceInspector.cs

@@ -1,5 +1,6 @@
 using UnityEditor;
 using UnityEngine;
+using UnityEngine.Rendering;
 using System;
 using System.IO;
 using System.Text.RegularExpressions;
@@ -26,6 +27,7 @@ public static class Styles {
 		public static string overlaySettingsTitle = "Overlay";
 		public static string screenColorAdjustmentsTitle = "Screen Color Adjustment";
 		public static string screenTransformTitle = "Screen Transformations";
+		public static string stencilTitle = "Stencil Testing";
 		public static string miscSettingsTitle = "Misc";
 		public static string renderQueueExportTitle = "Custom Render Queue Exporter";
 		public static string customRenderQueueSliderText = "Custom Render Queue";
@@ -50,6 +52,16 @@ public CSCategory(string nname, GUIStyle sstyle, CSCategorySetup ssetupDelegate)
 
 	protected MaterialProperty cullMode;
 	protected MaterialProperty zTest;
+	protected MaterialProperty zWrite;
+	protected MaterialProperty colorMask;
+
+	protected MaterialProperty stencilRef;
+	protected MaterialProperty stencilComp;
+	protected MaterialProperty stencilPass;
+	protected MaterialProperty stencilFail;
+	protected MaterialProperty stencilZFail;
+	protected MaterialProperty stencilReadMask;
+	protected MaterialProperty stencilWriteMask;
 
 	protected MaterialProperty puffiness;
 
@@ -103,6 +115,16 @@ public void FindProperties(MaterialProperty[] props) {
 
 		cullMode = FindProperty("_CullMode", props);
 		zTest = FindProperty("_ZTest", props);
+		zWrite = FindProperty("_ZWrite", props);
+		colorMask = FindProperty("_ColorMask", props);
+
+		stencilRef = FindProperty("_StencilRef", props);
+		stencilComp = FindProperty("_StencilComp", props);
+		stencilPass = FindProperty("_StencilPassOp", props);
+		stencilFail = FindProperty("_StencilFailOp", props);
+		stencilZFail = FindProperty("_StencilZFailOp", props);
+		stencilReadMask = FindProperty("_StencilReadMask", props);
+		stencilWriteMask = FindProperty("_StencilWriteMask", props);
 
 		puffiness = FindProperty("_Puffiness", props);
 
@@ -219,9 +241,21 @@ public override void OnGUI(MaterialEditor materialEditor, MaterialProperty[] pro
 				me.ShaderProperty(puffiness, puffiness.displayName);
 			}),
 
+			new CSCategory(Styles.stencilTitle, defaultStyle, me => {
+				DisplayIntSlider(me, stencilRef, 0, 255);
+				me.ShaderProperty(stencilComp, stencilComp.displayName);
+				me.ShaderProperty(stencilPass, stencilPass.displayName);
+				me.ShaderProperty(stencilFail, stencilFail.displayName);
+				me.ShaderProperty(stencilZFail, stencilZFail.displayName);
+				DisplayIntSlider(me, stencilReadMask, 0, 255);
+				DisplayIntSlider(me, stencilWriteMask, 0, 255);
+			}),
+
 			new CSCategory(Styles.miscSettingsTitle, defaultStyle, me => {
 				me.ShaderProperty(cullMode, cullMode.displayName);
 				me.ShaderProperty(zTest, zTest.displayName);
+				me.ShaderProperty(zWrite, zWrite.displayName);
+				ShowColorMaskFlags(me, colorMask);
 				me.ShaderProperty(mirrorReflectionMode, mirrorReflectionMode.displayName);
 			}),
 
@@ -318,4 +352,42 @@ void DisplayVec3Field(MaterialEditor materialEditor, MaterialProperty property)
 		}
 		EditorGUI.showMixedValue = false;
 	}
+
+	void DisplayIntField(MaterialEditor materialEditor, MaterialProperty property) {
+		EditorGUI.showMixedValue = property.hasMixedValue;
+		int v = (int) property.floatValue;
+		EditorGUI.BeginChangeCheck();
+		v = EditorGUILayout.IntField(property.displayName, v);
+		if (EditorGUI.EndChangeCheck()) {
+			materialEditor.RegisterPropertyChangeUndo(property.displayName);
+			property.floatValue = (float) v;
+		}
+		EditorGUI.showMixedValue = false;
+	}
+
+	void DisplayIntSlider(MaterialEditor materialEditor, MaterialProperty property, int min, int max) {
+		EditorGUI.showMixedValue = property.hasMixedValue;
+		int v = (int) property.floatValue;
+		EditorGUI.BeginChangeCheck();
+		v = EditorGUILayout.IntSlider(property.displayName, v, min, max);
+		if (EditorGUI.EndChangeCheck()) {
+			materialEditor.RegisterPropertyChangeUndo(property.displayName);
+			property.floatValue = (float) v;
+		}
+		EditorGUI.showMixedValue = false;
+	}
+
+	void ShowColorMaskFlags(MaterialEditor materialEditor, MaterialProperty property) {
+		EditorGUI.showMixedValue = property.hasMixedValue;
+		ColorWriteMask v = (ColorWriteMask) ((int) property.floatValue);
+		EditorGUI.BeginChangeCheck();
+		v = (ColorWriteMask) EditorGUILayout.EnumFlagsField(property.displayName, v);
+		if (EditorGUI.EndChangeCheck()) {
+			materialEditor.RegisterPropertyChangeUndo(property.displayName);
+			int x = (int) v;
+			if (x == -1) x = 15;
+			property.floatValue = (float) x;
+		}
+		EditorGUI.showMixedValue = false;
+	}
 }