[Bug 31952] Guild Wars 2: Graphical bug causing horizontal lines on world

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=31952

LingM <lingm+winebz at posteo.org> changed:

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                 CC|                            |lingm+winebz at posteo.org

--- Comment #13 from LingM <lingm+winebz at posteo.org> ---
Looking at the screenshot, this is the same problem as I reported against dxvk
in Nov 2019.
https://github.com/Joshua-Ashton/d9vk/issues/450

Debugging that, it turned out to be a rounding issue affecting at least amdvlk,
radv, radeonsi, r600, and the AMD Windows OpenGL driver.

Fixes to the open source drivers landed mid 2020:
amdvlk: https://github.com/GPUOpen-Drivers/xgl/pull/49
radv: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3951
radeonsi: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3953
r600: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5078

Some were backported to stable releases, some weren't, but as of Mesa 20.2.0
all the Mesa drivers should be fixed.


We were unable to reproduce on Nvidia cards, so if they really were affected in
the past, it was probably fixed somewhere in the 7 years since this bug was
opened.

Can somebody please close this as NOTOURBUG?

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