Shaders for the Erogenous Tones Structure video synthesizer module.
Color channel monitor with each channel (R,G,B) in fullscreen and a quad split mode with each channel and the mix.
Parameter 1: Select channel/mix to output. 4 values:
1. Fullscreen red channel
2. Fullscreen green channel
3. Fullscreen blue channel
4. Quad-split screen of R, G, B channels + a mix of all channels
Parameter 2: Color / Monochrome output