Here is where to get the UV code : https://thebookofshaders.com/ Please support. This is the link of the Olib where to get the example files : https://olib.amb-service.net/component/convolve-and-reaction-diffusion Please support.

Convolution image filter example. You can download all example from: https://github.com/5c0tt411en/TD_All_Operator_Example