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34 lines
622 B
34 lines
622 B
Shader "Hidden/DesaturateNode"
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{
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Properties
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{
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_A ( "_RBG", 2D ) = "white" {}
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_B ( "_Fraction", 2D ) = "white" {}
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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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CGPROGRAM
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#include "UnityCG.cginc"
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#pragma vertex vert_img
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#pragma fragment frag
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uniform sampler2D _A;
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uniform sampler2D _B;
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float4 frag ( v2f_img i ) : SV_Target
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{
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float3 rgb = tex2D ( _A, i.uv ).rgb;
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float fraction = tex2D ( _B, i.uv ).r;
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float dotResult = dot ( rgb, float3( 0.299, 0.587, 0.114 ) );
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float3 finalColor = lerp ( rgb, dotResult.xxx, fraction );
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return float4( finalColor, 1 );
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}
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ENDCG
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}
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}
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}
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