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Packages/PICO Unity Integration SDK-3.3.2-20251111/Assets/Resources/Shader/PXR_UnderlayHole.shader

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+Shader "PXR_SDK/PXR_UnderlayHole"
+{
+	Properties
+	{
+	   _MainTex("Texture(A)", 2D) = "black" {}
+	}
+
+		SubShader
+	{
+		Tags { "Queue" = "Transparent" "IgnoreProjector" = "True" "RenderType" = "Transparent" }
+		LOD 100
+				ZWrite Off
+				Blend Zero OneMinusSrcAlpha,Zero Zero
+				ColorMask RGBA
+
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+
+			#include "UnityCG.cginc"
+
+			struct appdata
+			{
+				float4 vertex : POSITION;
+				float2 texcoord : TEXCOORD0;
+			};
+
+			struct v2f
+			{
+				float4 vertex : SV_POSITION;
+				float2 texcoord : TEXCOORD0;
+			};
+
+			sampler2D _MainTex;
+
+			v2f vert(appdata v)
+			{
+				v2f o;
+				o.vertex = UnityObjectToClipPos(v.vertex);
+				o.texcoord = v.texcoord;
+				return o;
+			}
+
+			fixed4 frag(v2f i) : SV_Target
+			{
+				fixed4 col = tex2D(_MainTex, i.texcoord);
+								col.r = 0;
+								col.g = 0;
+								col.b = 0;
+								col.a = col.a;
+								return col;
+			}
+			ENDCG
+		}
+	}
+}