// Upgrade NOTE: commented out 'float4 unity_LightmapST', a built-in variable
// Upgrade NOTE: commented out 'sampler2D unity_Lightmap', a built-in variable
// Upgrade NOTE: replaced tex2D unity_Lightmap with UNITY_SAMPLE_TEX2D
Shader "Test/FragmentLightmap"
{
Properties
{
_MainTex ("Texture", 2D) = "white" {}
_Tile01("Lightmap R(U) Tiling", Range(-0.01, 0.01)) = 0
_Tile02("Lightmap R(V) Tiling", Range(-0.01, 0.01)) = 0
_Tile03("Lightmap G(U) Tiling", Range(-0.01, 0.01)) = 0
_Tile04("Lightmap G(V) Tiling", Range(-0.01, 0.01)) = 0
_Tile05("Lightmap B(U) Tiling", Range(-0.01, 0.01)) = 0
_Tile06("Lightmap B(V) Tiling", Range(-0.01, 0.01)) = 0
}
SubShader
{
Tags { "RenderType"="Opaque" }
LOD 100
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
// make fog work
#pragma multi_compile_fog
#pragma multi_compile _ LIGHTMAP_ON
// multi compie로 분기를 걸지 않을 경우 적용 shader는 무조건 Lightmap 적용을 받는다.(index를 어떻게 가져오는지는 아직 못봄)
#include "UnityCG.cginc"
struct vertexInput
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
float2 uv2 : TEXCOORD1;
// float4 tangent : TANGENT;
// float3 normal : NORMAL;
// fixed4 color : COLOR;
UNITY_VERTEX_INPUT_INSTANCE_ID
};
struct vertexOutput // or appdata_full
{
float4 vertex : SV_POSITION;
float2 uv : TEXCOORD0;
float2 uv2 : TEXCOORD1;
//fixed4 color : COLOR;
UNITY_FOG_COORDS(2)
};
sampler2D _MainTex;
float4 _MainTex_ST;
// sampler2D unity_Lightmap;
// float4 unity_LightmapST; // 유니티 버젼업으로, built-in으로 변경
float _Tile01;
float _Tile02;
float _Tile03;
float _Tile04;
float _Tile05;
float _Tile06;
vertexOutput vert(vertexInput v)
{
vertexOutput o;
o.vertex = UnityObjectToClipPos(v.vertex);
//o.uv = TRANSFORM_TEX(v.uv.xy, _MainTex);
o.uv = (v.uv.xy * _MainTex_ST.xy) + float2(_MainTex_ST.z, _MainTex_ST.w);
o.uv2 = v.uv2.xy * unity_LightmapST.xy + unity_LightmapST.zw;
UNITY_TRANSFER_FOG(o,o.vertex);
return o;
}
fixed4 frag (vertexOutput i) : SV_Target
{
fixed4 col = tex2D(_MainTex, i.uv);
#ifdef LIGHTMAP_ON
//col.rgb *= (DecodeLightmap(UNITY_SAMPLE_TEX2D(unity_Lightmap, i.uv2.xy))) ;
col.rgb *= fixed3(
(UNITY_SAMPLE_TEX2D(unity_Lightmap, float2(i.uv2.x + _Tile01, i.uv2.y + _Tile02)).r),
(UNITY_SAMPLE_TEX2D(unity_Lightmap, float2(i.uv2.x + _Tile03, i.uv2.y + _Tile04)).g),
(UNITY_SAMPLE_TEX2D(unity_Lightmap, float2(i.uv2.x + _Tile05, i.uv2.y + _Tile06)).b));
#endif
// apply fog
UNITY_APPLY_FOG(i.fogCoord, col);
return col;
}
ENDCG
}
}
}
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