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51 lines
1.1 KiB
51 lines
1.1 KiB
3 years ago
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// Colorful FX - Unity Asset
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// Copyright (c) 2015 - Thomas Hourdel
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// http://www.thomashourdel.com
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Shader "Hidden/Colorful/Levels"
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{
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Properties
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{
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_MainTex ("Base (RGB)", 2D) = "white" {}
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_InputMin ("Input Black", Vector) = (0, 0, 0, 1)
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_InputMax ("Input White", Vector) = (1, 1, 1, 1)
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_InputGamma ("Input Gamma", Vector) = (1, 1, 1, 1)
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_OutputMin ("Output Black", Vector) = (0, 0, 0, 1)
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_OutputMax ("Output White", Vector) = (1, 1, 1, 1)
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}
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SubShader
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{
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ZTest Always Cull Off ZWrite Off
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Fog { Mode off }
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Pass
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{
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CGPROGRAM
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#pragma vertex vert_img
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#pragma fragment frag
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#pragma fragmentoption ARB_precision_hint_fastest
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#include "UnityCG.cginc"
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sampler2D _MainTex;
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half4 _InputMin;
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half4 _InputMax;
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half4 _InputGamma;
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half4 _OutputMin;
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half4 _OutputMax;
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half4 frag(v2f_img i) : SV_Target
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{
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half4 color = tex2D(_MainTex, i.uv);
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color = lerp(_OutputMin, _OutputMax, pow(min(max(color - _InputMin, half4(0.0, 0.0, 0.0, 0.0)) / (_InputMax - _InputMin), half4(1.0, 1.0, 1.0, 1.0)), 1.0 / _InputGamma));
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return color;
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}
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ENDCG
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}
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}
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FallBack off
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}
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