On 23/03/15 12:40, Dr. Roman Grothausmann wrote: > With -DVGL_FAKEXCB=1 programmatical resizes now work (using vglconnect or > within > VNC session), but resizing the Qt5 window with the mouse or using maximize > still > leads to artefacts. Do You have any idea what could be the reason for this?
I just found on http://svn.code.sf.net/p/virtualgl/code/tags/2.4/doc/index.html#hd0015 that vglrun has a +xcb option which is needed for this to work (an option vglrun -h does not list). With +xcb resizing the Qt5 window with the mouse or using maximize works as well. Cheers, Roman > On 17/03/15 21:17, DRC wrote: >> Rebuild VirtualGL 2.4 from source with -DVGL_FAKEXCB=1. >> >> This will be automatic in the next major release, but since the issue >> was discovered after 2.4 went into beta, I felt it best to isolate the >> new code. Furthermore, libxcb is a more rapidly-changing API/ABI than >> Xlib or GLX, so an XCB faker built for one platform won't work on all >> platforms. We are going to have to develop some sort of dynamic loading >> mechanism for it, which will take some time. For now, please build your >> own custom version for whichever server platform you need to support. >> >> >> On 3/17/15 9:19 AM, Dr. Roman Grothausmann wrote: >>> Dear mailing list members, >>> >>> >>> Are there any known problems of VirtualGL with Qt5? >>> I'm working on a project (extensions to ITKSnap: >>> https://github.com/pyushkevich/itksnap/pull/1) which has just recently >>> moved to Qt5 and since then it seems that windows resizes do not work >>> properly any more (new regions in the program stay black or contain >>> artefacts, see *01.png) if the program is run with vglrun. Neither >>> resizing the main window with the mouse, nor maximize, nor >>> programmatical resizing works, this being the biggest problem, because >>> the program does so for specific modes, one of these is the extension I >>> work on. >>> If I compile and run the application on my desktop PC everything works >>> as expected (see *02.png). However, if run from a server with otherwise >>> functioning VirtualGL it does not work, nor if recompiled on the server. >>> It does work on the server for older versions of ITKSnap that build with >>> Qt4. >>> All together it gives me the impression the problem comes from the >>> combination of VirtualGL with Qt5. >>> >>> Many thanks for any help or hints how to solve this. >>> Roman >> >> ------------------------------------------------------------------------------ >> Dive into the World of Parallel Programming The Go Parallel Website, >> sponsored >> by Intel and developed in partnership with Slashdot Media, is your hub for >> all >> things parallel software development, from weekly thought leadership blogs to >> news, videos, case studies, tutorials and more. Take a look and join the >> conversation now. http://goparallel.sourceforge.net/ >> _______________________________________________ >> VirtualGL-Users mailing list >> VirtualGL-Users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/virtualgl-users >> > -- Dr. Roman Grothausmann Tomographie und Digitale Bildverarbeitung Tomography and Digital Image Analysis Institut für Funktionelle und Angewandte Anatomie, OE 4120 Medizinische Hochschule Hannover Carl-Neuberg-Str. 1 D-30625 Hannover Tel. +49 511 532-9574 ------------------------------------------------------------------------------ Dive into the World of Parallel Programming The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ VirtualGL-Users mailing list VirtualGL-Users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/virtualgl-users
