How hard would it be to generate shapes based on the contents of an input file. For example if the input consists of rows and columns of 1s and 0s. 1s being red circles and 0s being white squares.

How difficult is OpenGL? How difficult can it be if you can build a basic renderer in 500 lines of code? That’s what [Dmitry] did as part of a series of tiny applications. The renderer is part of a ...

I've seen a number of web pages, as well as threads here talking about such optimizations, but mostly the end points, like what FPS etc. Can someone explain to me (or lead me to a good page) that ...