ScriptableRenderPipeline/TestbedPipelines/Fptl/FinalPass.shader

// Final compositing pass, just does gamma conversion for now.

Shader "Hidden/FinalPass"
{
    Properties { _MainTex ("Texture", any) = "" {} }
    SubShader {
        Pass {
            ZTest Always Cull Off ZWrite Off

            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #pragma target 2.0
            #pragma multi_compile __ UNITY_COLORSPACE_GAMMA

            #include "UnityCG.cginc"

            sampler2D _MainTex;
            uniform float4 _MainTex_ST;

            struct appdata_t {
                float4 vertex : POSITION;
                float2 texcoord : TEXCOORD0;
            };

            struct v2f {
                float4 vertex : SV_POSITION;
                float2 texcoord : TEXCOORD0;
            };

            v2f vert (appdata_t v)
            {
                v2f o;
                o.vertex = UnityObjectToClipPos(v.vertex);
                o.texcoord = TRANSFORM_TEX(v.texcoord.xy, _MainTex);
                return o;
            }

            fixed4 frag (v2f i) : SV_Target
            {
                return tex2D(_MainTex, i.texcoord);
            }
            ENDCG

        }
    }
    Fallback Off
}