Belajar OpenGL

Blum ada idea nak citer apa. Basically, baru nak catchup balik OpenGL yg dah lama tinggal.
Smalam start porting shadertoy ke C. Size .exe less than 200kb (unoptimized, uncrinckled / uncompress).

Showing seascape: https://www.shadertoy.com/view/Ms2SD1