deltavr multiplayer 2.0

Assets/Oculus/SampleFramework/Usage/SceneManager/Shaders/PassthroughShadow.shader

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+//clang-format off
+Shader "Unlit/PassthroughShadow"
+{
+    Properties
+    {
+        _MainTex ("Texture", 2D) = "white" {}
+        _Alpha("Alpha", Float) = 0.5
+    }
+    SubShader
+    {
+        Tags { "RenderType"="Transparent" }
+        LOD 100
+
+        Pass
+        {
+            ZTest Always
+            ZWrite Off
+            Blend SrcAlpha OneMinusSrcAlpha, One One
+            BlendOp Add, Max
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+
+            #include "UnityCG.cginc"
+
+            struct appdata
+            {
+                float4 vertex : POSITION;
+                float2 uv : TEXCOORD0;
+            };
+
+            struct v2f
+            {
+                float2 uv : TEXCOORD0;
+                UNITY_FOG_COORDS(1)
+                float4 vertex : SV_POSITION;
+            };
+
+            sampler2D _MainTex;
+            float4 _MainTex_ST;
+            float _Alpha;
+
+            v2f vert (appdata v)
+            {
+                v2f o;
+                o.vertex = UnityObjectToClipPos(v.vertex);
+                o.uv = TRANSFORM_TEX(v.uv, _MainTex);
+                return o;
+            }
+
+            fixed4 frag (v2f i) : SV_Target
+            {
+                // sample the texture
+                fixed4 col = 1.0 - tex2D(_MainTex, i.uv);
+                return float4(0, 0, 0, (1.0f - col.x * col.x * col.x * col.x) * _Alpha);
+            }
+            ENDCG
+        }
+    }
+}