Shader "Fog Volume/RT viewers/RT_Opaque" { Properties{ _MainTex("Base", 2D) = "" {} } SubShader { Tags { "RenderType"="Opaque" } LOD 100 Pass { CGPROGRAM #pragma vertex vert #pragma fragment frag #include "UnityCG.cginc" struct appdata { float4 vertex : POSITION; float2 uv : TEXCOORD0; }; struct v2f { float2 uv : TEXCOORD0; float4 vertex : SV_POSITION; }; sampler2D RT_Opaque; float4 RT_Opaque_ST; v2f vert (appdata v) { v2f o; o.vertex = UnityObjectToClipPos(v.vertex); o.uv = TRANSFORM_TEX(v.uv, RT_Opaque); return o; } fixed4 frag (v2f i) : SV_Target { // sample the texture fixed4 col = tex2D(RT_Opaque, i.uv); return col; } ENDCG } } }