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The Voodoo was a 3D-only accelerator. It didn’t have a traditional 2D graphics core at all, so you needed another basic video card which plugged into the Voodoo
by pavlov 2y ago
The Voodoo was a 3D-only accelerator. It didn’t have a traditional 2D graphics core at all, so you needed another basic video card which plugged into the Voodoo using VGA passthrough. When an accelerated game was launched, the Voodoo took over and replaced the 2D card’s output completely.
That’s probably why you remember it being a post-processor. It didn’t apply effects to the 2D signal, but it needed it for all non-accelerated programs.
3dfx also supported more blending modes than most competing cards at the time. That could be why the snow effect didn’t work on your card.
- reginald78 2y agoI was playing around with building retro game VMs with qemu and pci passthrough awhile back and dusted off my old canopus pure 3d to try out with a pci to pcie adapter board. It was kind of amusing you'd have the windows desktop running in virt-manager and when you fired up unreal tournament the desktop would just freeze and only then would the card actually output anything.