So Subsurface does work across X. I think (if memory serves) you may need to set the environment variable.
export LIBGL_ALWAYS_INDIRECT=1 Althought I havent tried for sometime. On Mon, Mar 22, 2021 at 4:32 AM Mark Stiebel via subsurface < [email protected]> wrote: > I have a headless Debian Buster server as well as my Windows box. Given > your comment below, I thought I'd first try to build native Linux, but have > already come to a hurdle! Not having used Qt either adds a bit more to the > learning curve. But nothing is insurmountable, even for an old dog :) > > ~/src/subsurface/build$ ./subsurface > QOpenGLFunctions created with non-current context > ASSERT: "QOpenGLFunctions::isInitialized(d_ptr)" in file > /usr/include/x86_64-linux-gnu/qt5/QtGui/qopenglfunctions.h, line 886 > Aborted > ~/src/subsurface/build$ > > > So Subsurface can easily be BUILT on a headless Debian box - but then for > running it, you need some way to display the screen, right? > We do actually have a headless version that is intended to be used on > Raspberry Pi or other small systems simply as a downloader, but that's > likely not the direction you are looking for. > So what you built above, is a native Linux app that will run on a Linux > system that has an real (or virtual) display. > > Well, I don't know. The turnaround time is really painful. It might be > more fun to build under Linux. Where / how are you running this headless > Debian system? Is this a VM under HyperV? Or is there a way you could > install a VM with a desktop Linux somewhere? That will really make the > learning curve so much less steep... > > I should have articulated more clearly .. it is a physical PC running > Debian Buster that I use for a few services (mostly web based), and I > usually just SSH into it for admin. I do have VcXsrv on my Windows box so > when required can run X clients. I compiled subsurface, which appeared to > complete with only a few type conversion warnings, but executing it from > within an xterm gave me the OpenGL error. It may very well be an issue > with VcXsrv not playing nice with OpenGL. > > I could install a Fedora or Ubuntu desktop VM to eliminate VcXsrv as a > culprit. > > Mark. > > > _______________________________________________ > subsurface mailing list > [email protected] > http://lists.subsurface-divelog.org/cgi-bin/mailman/listinfo/subsurface >
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