[Bug 47392] New: Drakensang Online crashes when exiting fullscreen
wine-bugs at winehq.org
wine-bugs at winehq.org
Wed Jun 19 18:12:34 CDT 2019
https://bugs.winehq.org/show_bug.cgi?id=47392
Bug ID: 47392
Summary: Drakensang Online crashes when exiting fullscreen
Product: Wine
Version: 4.10
Hardware: x86
URL: https://www.drakensang.com/en
OS: Linux
Status: NEW
Keywords: download
Severity: normal
Priority: P2
Component: directx-d3d
Assignee: wine-bugs at winehq.org
Reporter: z.figura12 at gmail.com
Distribution: ---
It calls IDirect3DDevice9::SetCursorProperties() to change the cursor. As a
result the current cursor (struct wined3d_device.cursor_texture) is destroyed.
Meanwhile, on the CSMT thread, swapchain_gl_present() checks for
wined3d_device.cursor_texture, finds it to exist, then attempts to blit from
the texture to the backbuffer, and crashes trying to access it, because it has
been set to NULL in the meantime.
The fact that this is inherently a race means that probably the crash is
intermittent, or takes different forms. Still, it's clear enough that there is
some form of missing synchronization. I don't know enough about the context to
guess what that should be.
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