id Software shows Doom running on GTX 1080 using Vulkan
Nvidia just had id Software come on stage at their event in Austin, TX to show Doom up and running on the GTX 1080. That may not seem like a big deal, so to kick things up a notch, id had the game running using the Vulkan API. That's the low-level OpenGL equivalent of DirectX 12, and while id didn't specifically say how much faster Vulkan allowed the game to run, they did enable the in-game FPS counter.
The video starts off running at 1080p (which is the limit of the projector being used) with V-Sync enabled, and the frame rate is a steady 60 fps. After a minute or so, they shut off V-Sync and you'll see performance jump into the 120-200 fps range. id says there are still a few graphical glitches they're working to fix, specifically when the game hits 200 fps. Apparently there are some bugs in the game engine at 200 fps that they "weren't able to detect until they had the performance of the GTX 1080."
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