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Do not crash on skipped Xlib visuals

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If XLIB_SKIP_ARGB_VISUALS is set, we might fail to find visuals for
supported configurations.

Task-number: QTBUG-81904
Change-Id: Ib0d26faabe430925881b7f2acfc5361df3af416b
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
This commit is contained in:
Allan Sandfeld Jensen 2020-03-11 12:57:41 +01:00
parent d6d902a990
commit ddd0919bcf
1 changed files with 2 additions and 0 deletions
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2
src/platformsupport/glxconvenience/qglxconvenience.cpp
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@ -224,6 +224,8 @@ GLXFBConfig qglx_findConfig(Display *display, int screen , QSurfaceFormat format
}
QXlibPointer<XVisualInfo> visual(glXGetVisualFromFBConfig(display, candidate));
if (!visual)
continue;
int actualRed;
int actualGreen;
int actualBlue;