runnable fragment
code snippet
uniform sampler2D inputImage;
precision mediump float;
/*{
"CREDIT": "by zoidberg",
"ISFVSN": "2",
"DESCRIPTION": "Inverts the RGB channels of the input",
"CATEGORIES": [
"Color Effect", "Utility"
],
"INPUTS": [
{
"NAME": "inputImage",
"TYPE": "image"
}