[Bug 51105] Diablo 2: Resurrected (D2R) stays black

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51105

Constantine <sullome at yandex.com> changed:

           What    |Removed                     |Added
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                 CC|                            |sullome at yandex.com

--- Comment #5 from Constantine <sullome at yandex.com> ---
Now that the game is officially out, I faced that same bug, tried to find a
solution and found it.
I am posting my experience here because:

1) a bit of research and experimentation was required on my part, current
comments weren't enough to make the current game version to work;
2) I found no entry for Diablo 2 Resurrected on WineHQ, and this bug is the
only place that currently can be found for help.

First of all, yes, patched DLL is required, and might be obtained from 2
sources:
https://github.com/HansKristian-Work/vkd3d-proton/actions/runs/1130860939
https://github.com/lutris/vkd3d/releases/tag/v2.4L-2
That patched vkd3d-proton requires DXGI, so I installed one with `dnf install
wine-dxvk-dxgi` (Fedora 34). More on that case can be read in
https://github.com/HansKristian-Work/vkd3d-proton#using-vkd3d-proton


However, most important thing is that game uses it's own d3d12.dll now.
It is located in the selected for installation folder.

For me, it was not enough to change drive_c/windows/system32/d3d12.dll
It was not used. Game used this one: drive_c/Program Files (x86)/Diablo II
Resurrected/d3d12.dll

After replacing both of those d3d12.dll with the x64 one from vkd3d-proton,
(and configuring in winecfg to use it) game finally works and shows graphics.

It should also be noted that Battle.net periodically checks game files and
notices changes in d3d12.dll, requiring user to update the game. It does this
on some timer, so it is possible to update the game, replace DLL with the
correct one and then start the game. But that fix should be applied after each
update.

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