Initial Commit

Assets/Oculus/Interaction/Runtime/Shaders/OculusHand.shader

@@ -0,0 +1,231 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ * All rights reserved.
+ *
+ * Licensed under the Oculus SDK License Agreement (the "License");
+ * you may not use the Oculus SDK except in compliance with the License,
+ * which is provided at the time of installation or download, or which
+ * otherwise accompanies this software in either electronic or hard copy form.
+ *
+ * You may obtain a copy of the License at
+ *
+ * https://developer.oculus.com/licenses/oculussdk/
+ *
+ * Unless required by applicable law or agreed to in writing, the Oculus SDK
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+Shader "Interaction/OculusHand"
+{
+    Properties
+    {
+        [Header(General)]
+        _ColorTop("Color Top", Color) = (0.1960784, 0.2039215, 0.2117647, 1)
+        _ColorBottom("Color Bottom", Color) = (0.1215686, 0.1254902, 0.1294117, 1)
+        _Opacity("Opacity", Range(0 , 1)) = 0.8
+
+        [Header(Fresnel)]
+        _FresnelPower("FresnelPower", Range(0 , 5)) = 0.16
+
+        [Header(Outline)]
+        _OutlineColor("Outline Color", Color) = (0.5377358,0.5377358,0.5377358,1)
+        _OutlineJointColor("Outline Joint Error Color", Color) = (1,0,0,1)
+        _OutlineWidth("Outline Width", Range(0 , 0.005)) = 0.00134
+        _OutlineOpacity("Outline Opacity", Range(0 , 1)) = 0.4
+
+        [Header(Wrist)]
+        _WristFade("Wrist Fade", Range(0 , 1)) = 0.5
+
+        [Header(Finger Glow)]
+        _FingerGlowMask("Finger Glow Mask", 2D) = "white" {}
+
+        [HideInInspector] _texcoord("", 2D) = "white" {}
+        _GlowColor("GlowColor", Color) = (1,1,1,1)
+        [HideInInspector] _ThumbGlowValue("", Float) = 0
+        [HideInInspector] _IndexGlowValue("", Float) = 0
+        [HideInInspector] _MiddleGlowValue("", Float) = 0
+        [HideInInspector] _RingGlowValue("", Float) = 0
+        [HideInInspector] _PinkyGlowValue("", Float) = 0
+        [HideInInspector] _GenerateGlow("", Int) = 0
+        [HideInInspector] _OcclusionEnabled("", Int) = 0 
+    }
+
+    CGINCLUDE
+    #include "UnityCG.cginc"
+
+#pragma target 2.0
+
+    // CBUFFER named UnityPerMaterial, SRP can cache the material properties between frames and reduce significantly the cost of each drawcall.
+    CBUFFER_START(UnityPerMaterial)
+    // General
+    uniform float4 _ColorTop;
+    uniform float4 _ColorBottom;
+    uniform float _Opacity;
+    uniform float _FresnelPower;
+
+    // Outline
+    uniform float4 _OutlineColor;
+    uniform half4 _OutlineJointColor;
+    uniform float _OutlineWidth;
+    uniform float _OutlineOpacity;
+
+    // Wrist
+    uniform half _WristFade; 
+
+    // Finger Glow
+    uniform sampler2D _FingerGlowMask;
+
+    uniform float _ThumbGlowValue;
+    uniform float _IndexGlowValue;
+    uniform float _MiddleGlowValue;
+    uniform float _RingGlowValue;
+    uniform float _PinkyGlowValue;
+
+    uniform int _FingerGlowIndex;
+    
+    uniform int _GenerateGlow;
+    uniform float3 _GlowColor;
+    
+    uniform float3 _GlowPosition;
+    uniform float _GlowParameter;
+    uniform float _GlowMaxLength;
+    uniform int _GlowType;
+
+    //Finger Masks
+    //Finger Tip To Knuckles
+    uniform float4 _ThumbLine;
+    uniform float4 _IndexLine;
+    uniform float4 _MiddleLine;
+    uniform float4 _RingLine;
+    uniform float4 _PinkyLine;
+    //Finger Tip To Palm
+    uniform float4 _PalmThumbLine;
+    uniform float4 _PalmIndexLine;
+    uniform float4 _PalmMiddleLine;
+    uniform float4 _PalmRingLine;
+    uniform float4 _PalmPinkyLine;
+
+    CBUFFER_END
+    ENDCG
+
+    SubShader
+    {
+        Tags
+        {
+            "RenderType" = "Transparent" "Queue" = "Transparent" "IgnoreProjector" = "True"
+        }
+
+        Cull Back
+        AlphaToMask Off
+
+        Pass
+        {
+            Name "Depth"
+            ZWrite On
+            ColorMask 0
+        }
+
+        Pass
+        {
+            Name "HandOutline"
+            Tags
+            {
+                "RenderType" = "Transparent" "Queue" = "Transparent" "IgnoreProjector" = "True"
+            }
+
+            Cull Front
+            Blend SrcAlpha OneMinusSrcAlpha
+            Stencil
+            {
+                Ref 1
+                Comp Always
+                Pass Replace
+            }
+
+            CGPROGRAM
+            #pragma vertex outlineVertex
+#pragma fragment outlineFragment
+#include "OculusHandOutlineCG.cginc"
+            ENDCG
+        }
+
+        Pass
+        {
+            PackageRequirements { "com.unity.render-pipelines.universal": "10.0.0" }
+            Name "HandOutlineURP"
+            Tags
+            {
+                "LightMode" = "UniversalForwardOnly" "RenderType" = "Transparent" "Queue" = "Transparent" "IgnoreProjector" = "True" "RenderPipeline" = "UniversalPipeline"
+            }
+
+            Cull Front
+            Blend SrcAlpha OneMinusSrcAlpha
+            Stencil
+            {
+                Ref 1
+                Comp Always
+                Pass Replace
+            }
+
+            CGPROGRAM
+            #pragma vertex outlineVertex
+#pragma fragment outlineFragment
+#include "OculusHandOutlineCG.cginc"
+            ENDCG
+        }
+
+        Pass
+        {
+            Name "HandFill"
+            Tags
+            {
+                "RenderType" = "Transparent" "Queue" = "Transparent" "IgnoreProjector" = "True"
+            }
+
+            Blend SrcAlpha OneMinusSrcAlpha
+            ZWrite Off
+            ZTest LEqual
+            Stencil 
+            {
+                Ref 1
+                Comp Always
+                Pass Replace
+            }
+
+            CGPROGRAM
+            #pragma vertex baseVertex
+#pragma fragment baseFragment
+#include "OculusHandFillCG.cginc"
+            ENDCG
+        }
+
+        Pass
+        {
+            PackageRequirements { "com.unity.render-pipelines.universal": "10.0.0" }
+            Name "HandFillURP"
+            Tags
+            {
+                "LightMode" = "UniversalForward" "RenderType" = "Transparent" "Queue" = "Transparent" "IgnoreProjector" = "True" "RenderPipeline" = "UniversalPipeline"
+            }
+
+            Blend SrcAlpha OneMinusSrcAlpha
+            ZWrite Off
+            ZTest LEqual
+            Stencil
+            {
+                Ref 1
+                Comp Always
+                Pass Replace
+            }
+
+            CGPROGRAM
+            #pragma vertex baseVertex
+#pragma fragment baseFragment
+#include "OculusHandFillCG.cginc"
+            ENDCG
+        }
+    }
+}