lsh4/Assets/Toby Fredson/Third Party Tools/Custom Tree Importer v3/CTI Runtime Components URP 2023/Shaders/Includes/CTI URP Leaves DepthOnly Pass.hlsl

//  Structs

struct Attributes
{
    float4 positionOS                   : POSITION;
    float3 normalOS                     : NORMAL;    // Bending also
    float2 texcoord                     : TEXCOORD0;

    float2 texcoord1                    : TEXCOORD1; // Bending
    half4 color                         : COLOR;     // Bending    

    float3 texcoord2                    : TEXCOORD2; // Leaves only: Pivot

    UNITY_VERTEX_INPUT_INSTANCE_ID
};

struct Varyings
{
    float2 uv                           : TEXCOORD0;
    float4 positionCS                   : SV_POSITION;

    //UNITY_VERTEX_INPUT_INSTANCE_ID
    UNITY_VERTEX_OUTPUT_STEREO
};

//--------------------------------------
//  Vertex shader

#include "Includes/CTI URP Bending.hlsl"

Varyings DepthOnlyVertex(Attributes input)
{
    Varyings output = (Varyings)0;
    UNITY_SETUP_INSTANCE_ID(input);
    UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(output);

    CTI_AnimateVertex(
        input,
        #if defined (_BENDINGCOLRSONLY)
            float4(input.color.rg, input.color.ab), // animParams,
        #else
            float4(input.color.rg, input.texcoord1.xy), // animParams,
        #endif
        _BaseWindMultipliers
    );

    output.uv = input.texcoord;
    VertexPositionInputs vertexPosition = GetVertexPositionInputs(input.positionOS.xyz);
    output.positionCS = vertexPosition.positionCS;

    return output;
}

//--------------------------------------
//  Fragment shader

half4 DepthOnlyFragment(Varyings input) : SV_Target
{
    UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(input);
    #if defined(LOD_FADE_CROSSFADE) && !defined(SHADER_API_GLES)
        LODDitheringTransition(input.positionCS.xyz, unity_LODFade.x);
    #endif
    half alpha = SampleAlbedoAlpha(input.uv, TEXTURE2D_ARGS(_BaseMap, sampler_BaseMap)).a;
    clip(alpha - _Cutoff);
    return 0;
}