[Bug 59016] New: Directdraw games get black screen

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=59016

            Bug ID: 59016
           Summary: Directdraw games get black screen
           Product: Wine
           Version: 10.15
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: d3d
          Assignee: wine-bugs(a)list.winehq.org
          Reporter: i(a)xuzhao.net
      Distribution: ---

Created attachment 79755
  --> http://bugs.winehq.org/attachment.cgi?id=79755
Black screen, with directdraw render method

Hi Wine Community,

I want to ask about a regression I observed on my desktop (openSUSE Tumbleweed,
KDE, NVIDIA 3080 Ti).

A few old Japanese Galgames have blackscreen starting from a few months ago. To
be specific, I am running Ebenbourg no Kaze (by Studio e-go!).

The game screen is black, but with `WINEDEBUG=+ddraw` I can see logs being
printed out: https://pastebin.com/s5m0i3AK

I am testing on other applications, e.g., VisualBoyAdvance (the GameBoyAdvance
simulator). I found that when I switch the render method to "DirectDraw" it
shows black screen, but when I switch to "GDI", "OpenGL" or "Direct3D", the
screen is normal.

I have tried changing [HKCU/Wine/Direct3D] ->  "renderer" from "gl" to "gdi",
but the game/application will crash/black screen.

I suspect there is a regression in DirectDraw support in Wine.

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[Bug 59016] Directdraw games get black screen

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=59016

--- Comment #1 from Xu Zhao <i(a)xuzhao.net> ---
I can confirm that this bug happens only on wayland. X11 works fine.

I have tried both XWayland and Wayland native drivers of wine on KDE Plasma
Wayland, and neither of them will work for DirectDraw.

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[Bug 59016] Directdraw games get black screen

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=59016

--- Comment #2 from Xu Zhao <i(a)xuzhao.net> ---
Maybe related issue:
https://www.reddit.com/r/wine_gaming/comments/1p8v62l/black_screen_and_squis...

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