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51 lines
999 B
51 lines
999 B
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/Brightness Contrast Gamma"
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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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_BCG ("Brightness (X) Contrast (Y) Gamma (Z)", Vector) = (0.0, 1.0, 1.0, 1.0)
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_Coeffs ("Contrast coeffs (RGB)", Vector) = (0.5, 0.5, 0.5, 1.0)
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}
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SubShader
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{
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Pass
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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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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 _BCG;
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half3 _Coeffs;
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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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half4 factor = half4(_Coeffs, color.a);
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color *= _BCG.x;
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color = (color - factor) * _BCG.y + factor;
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color = clamp(color, 0.0, 1.0);
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color = pow(color, _BCG.z);
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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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