FSRTestBuiltin/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Shaders/Builtins/DiscardAlpha.shader

Shader "Hidden/PostProcessing/DiscardAlpha"
{
    HLSLINCLUDE

        #include "Packages/com.unity.postprocessing/PostProcessing/Shaders/StdLib.hlsl"

        TEXTURE2D_SAMPLER2D(_MainTex, sampler_MainTex);

        float4 Frag(VaryingsDefault i) : SV_Target
        {
            float4 color = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, i.texcoord);
            return float4(color.rgb, 1.0);
        }

    ENDHLSL

    SubShader
    {
        Cull Off ZWrite Off ZTest Always

        Pass
        {
            HLSLPROGRAM

                #pragma vertex VertDefault
                #pragma fragment Frag

            ENDHLSL
        }
    }
}