https://www.tomshardware.com/reviews/opengl-2,427.html
OpenGL 2.0 - Out To Save Programmable Graphics | Tom's Hardware
Feb 22, 2002 - The danger with pixel shaders and vertex shaders is that there is no standard for programmability of graphics hardware. A schism has formed within DirectX...
opengl 2tom s0
https://appleinsider.com/articles/06/10/24/opengl_21_may_double_performance_under_leopard
OpenGL 2.1 may double performance under Leopard | AppleInsider
A new implementation of the OpenGL industry-standard interface for developing portable, interactive 2D and 3D applications could offer as much as a twofold...
opengl 21 maydoubleperformanceleopard
https://hashnode.com/posts/part-2-make-spinning-3d-shapes-in-sdl2-and-opengl/64e823093adacbfaa4833e0d
Discussion on "Part 2 Make spinning 3D shapes in SDL2 and OpenGL" | Hashnode