blob: 1bc967fa0374d9399a9babb3c99571d9df49c11e (
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Shader "Hidden/DesaturateNode"
{
Properties
{
_A ( "_RBG", 2D ) = "white" {}
_B ( "_Fraction", 2D ) = "white" {}
}
SubShader
{
Pass
{
CGPROGRAM
#include "UnityCG.cginc"
#pragma vertex vert_img
#pragma fragment frag
uniform sampler2D _A;
uniform sampler2D _B;
float4 frag ( v2f_img i ) : SV_Target
{
float3 rgb = tex2D ( _A, i.uv ).rgb;
float fraction = tex2D ( _B, i.uv ).r;
float dotResult = dot ( rgb, float3( 0.299, 0.587, 0.114 ) );
float3 finalColor = lerp ( rgb, dotResult.xxx, fraction );
return float4( finalColor, 1 );
}
ENDCG
}
}
}
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