ISF - Color - Color Invert
/*{
"CREDIT": "zoidberg",
"ISFVSN": "2",
"CATEGORIES": [
"Color Effect"
],
"INPUTS": [
{
"NAME": "inputImage",
"TYPE": "image"
}
]
}*/
void main() {
vec4 srcPixel = IMG_THIS_PIXEL(inputImage);
gl_FragColor = vec4(1.0-srcPixel.r, 1.0-srcPixel.g, 1.0-srcPixel.b, srcPixel.a);
}