Single shader or many shaders?

[dishmint]

The idea is to avoid if's and switch's which might make the shader's faster. Might require a shader redesign.

Ideally, there's no logic in the shader, just computation.

[ 1 ] — What should remain as a uniform
[ 2 ] — fragment shader shouldn't "choose" what to do, it should just compute the output color
[ 3 ] — User chooses what to do via GUI