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Src/Unity/Shader/AlwaysOnTopURP.shader

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+// SomeShader.shader
+Shader "Custom/AlwaysOnTopURP"
+{
+    Properties
+    {
+        _BaseMap ("Texture", 2D) = "white" {}
+        _Color ("Color", Color) = (1,1,1,1)
+    }
+    SubShader
+    {
+        Tags { "RenderType"="Opaque" "RenderQueue"="Geometry+1000" }
+        LOD 100
+
+        Blend SrcAlpha OneMinusSrcAlpha
+        ZWrite Off
+        ZTest Always
+
+        Pass
+        {
+            HLSLPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            #pragma multi_compile_fragment _ALPHAPREMULTIPLY_ON
+            #pragma multi_compile_fragment _ALPHAMODULATE_ON
+            #pragma multi_compile_fragment _ALPHATEST_ON
+            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
+
+            struct Attributes
+            {
+                float4 positionOS : POSITION;
+                float2 uv : TEXCOORD0;
+            };
+
+            struct Varyings
+            {
+                float2 uv : TEXCOORD0;
+                float4 positionCS : SV_POSITION;
+            };
+
+            TEXTURE2D(_BaseMap);
+            SAMPLER(sampler_BaseMap);
+
+            float4 _BaseMap_ST;
+            float4 _Color;
+
+            Varyings vert(Attributes IN)
+            {
+                Varyings OUT;
+                OUT.uv = TRANSFORM_TEX(IN.uv, _BaseMap);
+                OUT.positionCS = TransformObjectToHClip(IN.positionOS.xyz);
+                return OUT;
+            }
+
+            half4 frag(Varyings IN) : SV_Target
+            {
+                half4 color = SAMPLE_TEXTURE2D(_BaseMap, sampler_BaseMap, IN.uv) * _Color;
+                return color;
+            }
+            ENDHLSL
+        }
+    }
+}