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Assets/Materials/PostProcessing/shaderTest.shader

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+Shader "Unlit/myPP_test"
+{
+    Properties
+    {
+        _MainTex ("Texture", 2D) = "white" {}
+		_Col("Color", Color)=(1, 1, 1, 1)
+    }
+    SubShader
+    {
+        Tags { "RenderType"="Opaque" }
+		Blend SrcAlpha OneMinusSrcAlpha
+        LOD 100
+
+        Pass
+        {
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            // make fog work
+            #pragma multi_compile_fog
+
+            #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;
+
+			float4 _Col;
+
+            v2f vert (appdata v)
+            {
+                v2f o;
+                o.vertex = UnityObjectToClipPos(v.vertex);
+				o.uv = v.uv;
+                return o;
+            }
+
+            fixed4 frag (v2f i) : SV_Target
+            {
+                fixed4 tex = tex2D(_MainTex, i.uv);
+				fixed4 col = tex * _Col;
+
+				return col;
+            }
+            ENDCG
+        }
+    }
+}