In the first bunker the frame rate drops heavily and stutters in spots, the frame rate is perfect 60fps before and after this area. I tested the same area on Windows 10 and also Ubuntu with proprietary drivers and they don't suffer from this issue. Tested using Proton 3.7-6 as the game needs a patched wine to run. Hopefully the trace is long enough to see the issue as the frame rate drop doesn't always happen immediately. Apitrace: https://drive.google.com/file/d/1LWRVhJMeXo0h8IbUFBwj8vyTyyml6R5k/view?usp=sharing Video showing the issue: https://youtu.be/WheSQWf09yM -Arch Linux -RX Vega 56/Ryzen 1700 -mesa 18.3-git
I can confirm the same experience using a Radeon R9 285 with the Mesa 18.2.* series. The game for the most part runs really smooth but as soon as I reached the bunker shown on James B's Youtube video the framerate dropped greatly and no matter how low I set the graphic settings it made no difference. - Solus OS - Mesa 18.2.1 - R9 285 (Tonga) - Ryzen 5 1600@3.85GHz
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