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Opengl 2 May 2026

Anyone else still occasionally writing fixed-function OpenGL for fun? 😄

For those who didn't start there, OpenGL 2 introduced the shader model (1.10/1.20) and still fully supported the fixed-function pipeline. But in practice, most people associate "OpenGL 2" with immediate mode ( glBegin/glEnd ), glVertex , glMatrixMode , and lighting via glLight . opengl 2

#include <GL/glut.h> void display() glClear(GL_COLOR_BUFFER_BIT opengl 2

Here’s a minimal working example in C (GLUT/FreeGLUT): opengl 2

I’ve been messing around with OpenGL 2.1 lately (I know, I know, it’s ancient), mostly for some retro demo coding and to understand the basics before moving to modern programmable pipelines.

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