#ifndef UNIVERSAL_SIMPLE_LIT_INPUT_INCLUDED
#define UNIVERSAL_SIMPLE_LIT_INPUT_INCLUDED

#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/SurfaceInput.hlsl"

CBUFFER_START(UnityPerMaterial)
    float4 _BaseMap_ST;
    float4 _LightMap_ST;
    half4 _BaseColor;
    half4 _EmissionColor;
    half _Cutoff;
    half _Surface;
    half4 _ShadeVector;
    half4 _LightColor;
CBUFFER_END

#ifdef UNITY_DOTS_INSTANCING_ENABLED
    UNITY_DOTS_INSTANCING_START(MaterialPropertyMetadata)
        UNITY_DOTS_INSTANCED_PROP(float4, _BaseColor)
        UNITY_DOTS_INSTANCED_PROP(float4, _EmissionColor)
        UNITY_DOTS_INSTANCED_PROP(float , _Cutoff)
        UNITY_DOTS_INSTANCED_PROP(float , _Surface)
        UNITY_DOTS_INSTANCED_PROP(half4, _ShadeVector)
        UNITY_DOTS_INSTANCED_PROP(half4, _LightColor)
    UNITY_DOTS_INSTANCING_END(MaterialPropertyMetadata)

    #define _BaseColor          UNITY_ACCESS_DOTS_INSTANCED_PROP_FROM_MACRO(float4 , Metadata__BaseColor)
    #define _EmissionColor      UNITY_ACCESS_DOTS_INSTANCED_PROP_FROM_MACRO(float4 , Metadata__EmissionColor)
    #define _Cutoff             UNITY_ACCESS_DOTS_INSTANCED_PROP_FROM_MACRO(float  , Metadata__Cutoff)
    #define _Surface            UNITY_ACCESS_DOTS_INSTANCED_PROP_FROM_MACRO(float  , Metadata__Surface)
    #define _ShadeVector        UNITY_ACCESS_DOTS_INSTANCED_PROP_FROM_MACRO(half4  , Metadata__ShadeVector)
    #define _LightColor         UNITY_ACCESS_DOTS_INSTANCED_PROP_FROM_MACRO(half4  , Metadata__LightColor)
#endif

                                 SAMPLER(point_repeat_sampler);
TEXTURE2D(_LightMap);            SAMPLER(sampler_LightMap);

inline void InitializeSimpleLitSurfaceData(float2 uv, out SurfaceData outSurfaceData)
{
    outSurfaceData = (SurfaceData)0;

    half4 albedoAlpha = SampleAlbedoAlpha(uv, TEXTURE2D_ARGS(_BaseMap, sampler_BaseMap));
    outSurfaceData.alpha = albedoAlpha.a * _BaseColor.a;
    AlphaDiscard(outSurfaceData.alpha, _Cutoff);

    outSurfaceData.albedo = albedoAlpha.rgb * _BaseColor.rgb;

    outSurfaceData.metallic = 0.0; // unused
    outSurfaceData.specular = 0.0; // unused
    outSurfaceData.smoothness = 0.0; // unused
    //outSurfaceData.normalTS = SampleNormal(uv, TEXTURE2D_ARGS(_BumpMap, sampler_BumpMap));
    outSurfaceData.occlusion = 1.0; // unused
    outSurfaceData.emission = SampleEmission(uv, _EmissionColor.rgb, TEXTURE2D_ARGS(_EmissionMap, sampler_EmissionMap));
}

#endif