Shader "Universal Render Pipeline/Unlit"
{
    Properties
    {
        _BaseMap("Texture", 2D) = "white" {}
        _BaseColor("Color", Color) = (1, 1, 1, 1)
        _Cutoff("AlphaCutout", Range(0.0, 1.0)) = 0.5
 
        // BlendMode
        [HideInInspector] _Surface("__surface", Float) = 0.0
        [HideInInspector] _Blend("__blend", Float) = 0.0
        [HideInInspector] _AlphaClip("__clip", Float) = 0.0
        [HideInInspector] _SrcBlend("Src", Float) = 1.0
        [HideInInspector] _DstBlend("Dst", Float) = 0.0
        [HideInInspector] _ZWrite("ZWrite", Float) = 1.0
        [HideInInspector] _Cull("__cull", Float) = 2.0
 
        // Editmode props
        [HideInInspector] _QueueOffset("Queue offset", Float) = 0.0
 
        // ObsoleteProperties
        [HideInInspector] _MainTex("BaseMap", 2D) = "white" {}
        [HideInInspector] _Color("Base Color", Color) = (0.5, 0.5, 0.5, 1)
        [HideInInspector] _SampleGI("SampleGI", float) = 0.0 // needed from bakedlit
    }
    SubShader
    {
        Tags { "RenderType" = "Opaque" "IgnoreProjector" = "True" "RenderPipeline" = "UniversalPipeline" }
        LOD 100
 
        Blend [_SrcBlend][_DstBlend]
        ZWrite [_ZWrite]
        Cull [_Cull]
 
        Pass
        {
            Name "Unlit"
            HLSLPROGRAM
            // Required to compile gles 2.0 with standard srp library
            #pragma prefer_hlslcc gles
            #pragma exclude_renderers d3d11_9x
 
            #pragma vertex vert
            #pragma fragment frag
            #pragma shader_feature _ALPHATEST_ON
            #pragma shader_feature _ALPHAPREMULTIPLY_ON
 
            // -------------------------------------
            // Unity defined keywords
            #pragma multi_compile_fog
            #pragma multi_compile_instancing
 
            #include "UnlitInput.hlsl"
 
            struct Attributes
            {
                float4 positionOS       : POSITION;
                float2 uv               : TEXCOORD0;
                UNITY_VERTEX_INPUT_INSTANCE_ID
            };
 
            struct Varyings
            {
                float2 uv        : TEXCOORD0;
                float fogCoord  : TEXCOORD1;
                float4 vertex : SV_POSITION;
 
                UNITY_VERTEX_INPUT_INSTANCE_ID
                UNITY_VERTEX_OUTPUT_STEREO
            };
 
            Varyings vert(Attributes input)
            {
                Varyings output = (Varyings)0;
 
                UNITY_SETUP_INSTANCE_ID(input);
                UNITY_TRANSFER_INSTANCE_ID(input, output);
                UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(output);
 
                VertexPositionInputs vertexInput = GetVertexPositionInputs(input.positionOS.xyz);
                output.vertex = vertexInput.positionCS;
                output.uv = TRANSFORM_TEX(input.uv, _BaseMap);
                output.fogCoord = ComputeFogFactor(vertexInput.positionCS.z);
 
                return output;
            }
 
            half4 frag(Varyings input) : SV_Target
            {
                UNITY_SETUP_INSTANCE_ID(input);
                UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(input);
 
                half2 uv = input.uv;
                half4 texColor = SAMPLE_TEXTURE2D(_BaseMap, sampler_BaseMap, uv);
                half3 color = texColor.rgb * _BaseColor.rgb;
                half alpha = texColor.a * _BaseColor.a;
                AlphaDiscard(alpha, _Cutoff);
 
#ifdef _ALPHAPREMULTIPLY_ON
                color *= alpha;
#endif
 
                color = MixFog(color, input.fogCoord);
 
                return half4(color, alpha);
            }
            ENDHLSL
        }
        Pass
        {
            Tags{"LightMode" = "DepthOnly"}
 
            ZWrite On
            ColorMask 0
 
            HLSLPROGRAM
            // Required to compile gles 2.0 with standard srp library
            #pragma prefer_hlslcc gles
            #pragma exclude_renderers d3d11_9x
            #pragma target 2.0
 
            #pragma vertex DepthOnlyVertex
            #pragma fragment DepthOnlyFragment
 
            // -------------------------------------
            // Material Keywords
            #pragma shader_feature _ALPHATEST_ON
 
            //--------------------------------------
            // GPU Instancing
            #pragma multi_compile_instancing
 
            #include "Packages/com.unity.render-pipelines.universal/Shaders/UnlitInput.hlsl"
            #include "Packages/com.unity.render-pipelines.universal/Shaders/DepthOnlyPass.hlsl"
            ENDHLSL
        }
 
        // This pass it not used during regular rendering, only for lightmap baking.
        Pass
        {
            Name "Meta"
            Tags{"LightMode" = "Meta"}
 
            Cull Off
 
            HLSLPROGRAM
            // Required to compile gles 2.0 with standard srp library
            #pragma prefer_hlslcc gles
            #pragma exclude_renderers d3d11_9x
            #pragma vertex UniversalVertexMeta
            #pragma fragment UniversalFragmentMetaUnlit
 
            #include "Packages/com.unity.render-pipelines.universal/Shaders/UnlitInput.hlsl"
            #include "Packages/com.unity.render-pipelines.universal/Shaders/UnlitMetaPass.hlsl"
 
            ENDHLSL
        }
    }
    FallBack "Hidden/Universal Render Pipeline/FallbackError"
    CustomEditor "UnityEditor.Rendering.Universal.ShaderGUI.UnlitShader"
}