Shader "Hidden/ColorCorrectionCurvesSimple" {
|
Properties {
|
_MainTex ("Base (RGB)", 2D) = "" {}
|
_RgbTex ("_RgbTex (RGB)", 2D) = "" {}
|
}
|
|
// Shader code pasted into all further CGPROGRAM blocks
|
CGINCLUDE
|
|
#include "UnityCG.cginc"
|
|
struct v2f {
|
float4 pos : SV_POSITION;
|
half2 uv : TEXCOORD0;
|
};
|
|
sampler2D _MainTex;
|
sampler2D _RgbTex;
|
fixed _Saturation;
|
|
half4 _MainTex_ST;
|
|
v2f vert( appdata_img v )
|
{
|
v2f o;
|
o.pos = UnityObjectToClipPos(v.vertex);
|
o.uv = UnityStereoScreenSpaceUVAdjust(v.texcoord.xy, _MainTex_ST);
|
return o;
|
}
|
|
fixed4 frag(v2f i) : SV_Target
|
{
|
fixed4 color = tex2D(_MainTex, i.uv);
|
|
fixed3 red = tex2D(_RgbTex, half2(color.r, 0.5/4.0)).rgb * fixed3(1,0,0);
|
fixed3 green = tex2D(_RgbTex, half2(color.g, 1.5/4.0)).rgb * fixed3(0,1,0);
|
fixed3 blue = tex2D(_RgbTex, half2(color.b, 2.5/4.0)).rgb * fixed3(0,0,1);
|
|
color = fixed4(red+green+blue, color.a);
|
|
fixed lum = Luminance(color.rgb);
|
color.rgb = lerp(fixed3(lum,lum,lum), color.rgb, _Saturation);
|
return color;
|
}
|
|
ENDCG
|
|
Subshader {
|
Pass {
|
ZTest Always Cull Off ZWrite Off
|
|
CGPROGRAM
|
#pragma vertex vert
|
#pragma fragment frag
|
ENDCG
|
}
|
}
|
|
Fallback off
|
|
} // shader
|
