With newer GeForce GPUs, Linux distributions will use a driver for OpenGL applications that hands over the actual work to a Vulkan driver. In future, Linux distributions will rely on the "Zink" driver ...

3dfx never had a full OpenGL implementation until the Voodoo 4/5's came around if I'm not mistaken, 3dfx had MiniGL though. which I "think" Half-Life/Counter-Strike indeed support, along with ...