Without any intended delay, is the code of a fragment-shader run once per frame? If not, how often will the code be executed? (I'm new to shaders: I'm talking about glsl if it makes any difference)
After you bind your program (2 shaders) with
You can call those functions at every frame, 1000 times per frame, or once an hour.
You can also examine the "work at the server" during the single