// Original source:
//   https://github.com/vrm-c/UniVRM/blob/v0.129.1/Assets/VRM10/MToon10/Shaders/vrmc_materials_mtoon_attribute.hlsl
// Copyright (c) 2020 VRM Consortium
// Copyright (c) 2018 Masataka SUMI for MToon
// Licensed under the MIT License
//   https://github.com/vrm-c/UniVRM/blob/v0.129.1/LICENSE.txt
//
// Modified by Cluster, Inc.

#ifndef VRMC_MATERIALS_MTOON_ATTRIBUTE_INCLUDED
#define VRMC_MATERIALS_MTOON_ATTRIBUTE_INCLUDED

#include "./vrmc_materials_mtoon_define.hlsl"
#include "./vrmc_materials_mtoon_render_pipeline.hlsl"

struct Attributes
{
    float4 vertex : POSITION; // UnityCG macro specified name. Accurately "positionOS"
    float3 normalOS : NORMAL;
#if defined(_NORMALMAP)
    float4 tangentOS : TANGENT;
#endif
    float2 texcoord0 : TEXCOORD0;
    float2 texcoord1 : TEXCOORD1;
    UNITY_VERTEX_INPUT_INSTANCE_ID
};

struct Varyings
{
    float2 uv : TEXCOORD0;
    float3 positionWS : TEXCOORD1;
    half3 normalWS : TEXCOORD2;
#if defined(_NORMALMAP)
    half4 tangentWS : TEXCOORD3;
#endif
    float3 viewDirWS : TEXCOORD4;

    MTOON_FOG_AND_LIGHTING_COORDS(5, 6, 7)
    
    float4 pos : SV_POSITION; // UnityCG macro specified name. Accurately "positionCS"
    UNITY_VERTEX_INPUT_INSTANCE_ID
    UNITY_VERTEX_OUTPUT_STEREO
};

struct FragmentInput
{
    Varyings varyings;
    MTOON_FRONT_FACE_TYPE facing : MTOON_FRONT_FACE_SEMANTIC;
};

#endif