Shadershop – Photoshop like interface for programming GPU shaders

I'm not sure how this is "photoshop like". It more closely resembles a graphing calculator. In terms of in-use interface for programming shaders, I believe the standard non-text solution is to use a visual programming language like so: https://unity.com/shader-graph

The demo link sent me to a straight-up scam website...

also check out shaderchain which comes with some features for mapping textures between shaders to layer them as well as midi mapping support for uniforms. and it's not several years old

https://connorbell.itch.io/shaderchain

From 2014