[Bug 43049] New: League of Legends: massive performance regression
wine-bugs at winehq.org
wine-bugs at winehq.org
Thu May 18 10:34:01 CDT 2017
https://bugs.winehq.org/show_bug.cgi?id=43049
Bug ID: 43049
Summary: League of Legends: massive performance regression
Product: Wine
Version: 2.6
Hardware: x86-64
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: directx-d3dx9
Assignee: wine-bugs at winehq.org
Reporter: hevanen at googlemail.com
Distribution: ---
League of Legends ran at about 80-150 fps with wine-staging 2.4, with 2.6 and
2.7 it runs at ~20 fps and since 2.8 the game is just a slideshow (4-5 fps,
though the in-game fps counter still claims 15-20 fps). These figures are with
CSMT enabled.
It is worth noting that the first few seconds of the game run at decent frame
rates and more importantly, that alt+tabbing out of the game and back
temporarily boosts the frame rate back to 80 fps. It then quickly falls back to
5-20 fps over the next ~5 seconds. This makes it seem like some resources are
not being properly released or something similar.
I also tested with vanilla wine 2.8 and the behavior is very similar, so it's
not a staging-only problem.
The graphics card is a RX 470 with the RadeonSI driver.
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