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SteamPlay Doom 2016 OpenGL 4.5 and Vulkan

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Comparative play of Doom 2016 between APIs using Steam Play on Linux.

The recording overhead is quite notorious with OpenGL, as the game without capturing gameplay footage was constant 60 FPS (kind of with gsync, my monitor does not support higher than 60 Hz anyway). This overhead is not present with Vulkan, which speaks of its really high optimization, albeit topping my monitor's refresh rate..

Recorded with OBS and with hardware encoding via NVENC. You will notice screen flicker at the OpenGL loading screen, I'm not sure if it has anything to do with the frame rate or what.

System's specs, as usual:

CPU: Ryzen 7 1800X
Memory: 32 GiB Corsair Vengaence 3200 @3000 MHz (higher than that I run into stability issues... you know how temperamental first gen Ryzens are)
GPU: Asus GTX1080 Strix 8 GiB.
MoBo: Asus Crosshair Hero VI.

On Fedora 28, kernel version 4.17.19, GNOME [S]Hell. GPU drivers 396.54

Some futher notes: You will see screen tear, known issue with the nvidia driver, especially running in composited desktop environments, I promise I'll test with a non-composited DE one of these days, but it does not botherme too much (unless when it is REALLY, REALLY bad, and these drivers can even make a video playback on youtube tear, so... Take it with a 5oz salt crystal)

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thetargos
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14 Oct, 2018 @ 12:39pm

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