RayMarching.shader

Shader "Custom/RayMarching"
{
    Properties
    {
        _BaseColor ("Color", Color) = (1, 1, 1, 1)
    }
    SubShader
    {
        Tags { "RenderType" = "Opaque" "RenderPipeline" = "UniversalPipeline" }
        LOD 100
        ZWrite Off Cull Off
        Pass
        {
            HLSLPROGRAM
            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
            // The Blit.hlsl file provides the vertex shader (Vert),
            // input structure (Attributes) and output strucutre (Varyings)
            #include "Packages/com.unity.render-pipelines.core/Runtime/Utilities/Blit.hlsl"

            #pragma vertex Vert
            #pragma fragment frag

            CBUFFER_START(UnityPerMaterial)
                half4 _BaseColor;
            CBUFFER_END

            TEXTURE2D_X(_CameraOpaqueTexture);
            SAMPLER(sampler_CameraOpaqueTexture);

            half4 frag(Varyings input) : SV_TARGET
            {
                UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(input);
                float4 color = SAMPLE_TEXTURE2D_X(_CameraOpaqueTexture, sampler_CameraOpaqueTexture, input.texcoord);
                color *= _BaseColor;
                
                return color;
            }

            ENDHLSL
        }
    }
}