With the SKIA backend in iPlug2, it's pretty easy to just drop in shaders (SKIA has it's own SkSL shading language which is like GLSL).

This one that was recently shared to the skia mailing list is pretty cool. www.youtube.com/watch?v=wUsF...

Took me < 5 mins to make a cross platform iPlug2 webview plugin featuring the Live shader coding thingy hydra, github.com/iPlug2/iPlug...

thanks to: github.com/felixroos/hy...

Now to hook up audio input...