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Re: pkg/53718 (xfwm4 does not allow positioning of windows any more)
The following reply was made to PR pkg/53718; it has been noted by GNATS.
Subject: Re: pkg/53718 (xfwm4 does not allow positioning of windows any more)
Date: Tue, 8 Jan 2019 11:52:08 +0000
can someone with the problem send the following:
- Output of 'glxinfo'
- config.log for xfce4-wm, (does it have HAVE_PRESENT_EXTENSION)
- output of `xfwm4 --version`
Going by a diff,
+4.3) VSYNC and tearing
+Starting with version 4.13, xfwm4 now supports VSYNC via two different
+method, either using OpenGL or the Present X11 extension.
+xfwm4 relies on libepoxy for OpenGL, and on libXpresent for Present support.
+Support for those features can be checked using "xfwm4 --version":
+ Build configuration and supported features:
+ - Xpresent support: Yes
+ - Embedded compositor: Yes
+ - Epoxy support: Yes
+If both VSYNC methods are available, xfwm4 will prefer Present over OpenGL.
I can imagine a scenario where it waits for a vblank to update the
changed windows but it never comes.
It would be nice if someone is adventurous, to force disable xpresent.
to xfce4-wm Makefile, make replace.
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