46 lines
1,020 B
Text
46 lines
1,020 B
Text
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//!DESC saturate
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//!HOOK MAINPRESUB
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//!BIND HOOKED
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#define Brightness 0.0 // <-1.0==1.0> default 0.0
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#define Contrast 1.0 // <0.0==10.0> default 1.0
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#define Hue 0.0 // <-180.0==180.0> default 0.0
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#define Saturation 1.1 // <0.0==10.0> default 1.0
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#define PI 3.1415926535897932384626433832795
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#define ymin (15 / 255.0)
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const mat4 r2y = mat4(
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0.299, -0.14713, 0.615, 0.000,
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0.587, -0.28886, -0.51499, 0.000,
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0.114, 0.436, -0.10001, 0.000,
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0.000, 0.000, 0.000, 0.000
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);
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const mat4 y2r = mat4(
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1.000, 1.000, 1.000, 0.000,
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0.000, -0.39465, 2.03211, 0.000,
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1.13983, -0.58060, 0.000, 0.000,
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0.000, 0.000, 0.000, 0.000
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);
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const mat2 HueMatrix = mat2(
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cos(Hue * PI / 180), -sin(Hue * PI / 180),
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sin(Hue * PI / 180), cos(Hue * PI / 180)
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);
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#define Src(a,b) HOOKED_texOff(vec2(a,b))
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vec4 hook()
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{
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vec4 c0 = Src(0,0);
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c0 = r2y * c0;
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c0.r = Contrast * (c0.r - ymin) + ymin + Brightness;
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c0.gb = (HueMatrix * c0.gb) * Saturation;
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c0 = y2r * c0;
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return c0;
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}
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