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83 lines
2.0 KiB
83 lines
2.0 KiB
Shader "SkyboxPlus/Cubemap"
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{
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Properties
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{
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[NoScaleOffset] _Tex("-", Cube) = "grey"{}
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_Tint("-", Color) = (.5, .5, .5)
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_Euler("-", Vector) = (0, 0, 0)
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[HideInInspector] _Rotation1("-", Vector) = (1, 0, 0)
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[HideInInspector] _Rotation2("-", Vector) = (0, 1, 0)
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[HideInInspector] _Rotation3("-", Vector) = (0, 0, 1)
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[Gamma] _Exposure("-", Range(0, 8)) = 1
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_Saturation("-", Range(0, 2)) = 1
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[Toggle] _Lod("-", Float) = 0
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_LodLevel("-", Range(0, 10)) = 0
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}
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CGINCLUDE
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#pragma shader_feature _LOD_ON
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#include "UnityCG.cginc"
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samplerCUBE _Tex;
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half4 _Tex_HDR;
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half4 _Tint;
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half _Exposure;
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half _Saturation;
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float _LodLevel;
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float4 _Rotation1;
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float4 _Rotation2;
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float4 _Rotation3;
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struct appdata_t {
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float4 vertex : POSITION;
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};
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struct v2f {
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float4 vertex : SV_POSITION;
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float3 texcoord : TEXCOORD0;
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};
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v2f vert(appdata_t v)
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{
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v2f o;
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float3x3 m = float3x3(_Rotation1.xyz, _Rotation2.xyz, _Rotation3.xyz);
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float4 vp = float4(mul(m, v.vertex.xyz), v.vertex.w);
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o.vertex = UnityObjectToClipPos(vp);
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o.texcoord = v.vertex.xyz;
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return o;
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}
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fixed4 frag(v2f i) : SV_Target
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{
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#ifdef _LOD_ON
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half4 tex = texCUBElod(_Tex, float4(i.texcoord, _LodLevel));
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#else
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half4 tex = texCUBE(_Tex, i.texcoord);
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#endif
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half3 c = DecodeHDR(tex, _Tex_HDR);
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c *= _Tint.rgb * unity_ColorSpaceDouble.rgb * _Exposure;
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c = lerp((half3)Luminance(c), c, _Saturation);
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return half4(c, 1);
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}
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ENDCG
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SubShader
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{
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Tags { "Queue"="Background" "RenderType"="Background" "PreviewType"="Skybox" }
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Cull Off ZWrite Off
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Pass
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{
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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ENDCG
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}
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}
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Fallback Off
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CustomEditor "SkyboxPlus.CubemapMaterialEditor"
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}
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