GLSL Resources

Let’s use this thread to share our favorite resources for learning GLSL and creating ISF compositions!

I’ll get the ball rolling… here are some of my top resources!

The official ISF spec page:

ISF Test & Tutorial shaders:

The Book of Shaders:

The Book of Shaders / ISF Translation:

Fragment Foundry:


GLSL Sandbox:

Github search:


IQ is the creator of Shadertoy and a GLSL wizard:

Mercury library of signed distance functions:

Lots of useful bits of code here:

Another browser based editor:

Tools for building math functions:

Big list of 3D graphics academic papers:

Some shader related dev blogs:

Procedural Content Generation Wiki: