// SPDX-License-Identifier: (Not available for this version, you are only allowed to use this software if you have express permission from the copyright holder and agreed to the latest NiloToonURP EULA)
// Copyright (c) 2021 Kuroneko ShaderLab Limited

#pragma once

#if NiloToonIsAnyFurPass
void ApplyNiloToonFurVertexData(inout Varyings output, Attributes input)
{
    float3 furVectorTexTS = float3(0.0, 0.0, 1.0);
    float useFurVectorTex = 0.0;
    #if _NILOTOON_FUR_VECTORTEX
    {
        furVectorTexTS = UnpackNormalScale(tex2Dlod(_NiloFurVectorTex, float4(input.uv, 0, 0)), _NiloFurVectorScale);
        useFurVectorTex = 1.0;
    }
    #endif

    float furCutoutLength = 1.0;
    #if NiloToonFurDepthPrepassPass || NiloToonFurPrepassBufferDepthPass
        furCutoutLength = _NiloFurCutoutLength;
    #endif

    output.furVector = NiloComputeFurVectorWS(
        _NiloFurVector.xyz,
        _NiloFurLength * _NiloFurStrength,
        furCutoutLength,
        input.normalOS,
        input.tangentOS,
        _NiloFurGravity,
        input.color.rgb,
        _VertexColor2FurVector,
        furVectorTexTS,
        useFurVectorTex);

    output.furLayer = 0;
    output.furVertexID = input.vertexID;
}
#endif