Some useful info on debugging GL over SSH
Using the GUI on a remote machine — Installation 2020 documentation
(scm.com) <https://www.scm.com/doc/Installation/Remote_GUI.html>
I had a quick breeze through that, and it seems more geared around the X
server and client running each running on different linux, or unix-like
machines. Not across Linux and Windows.
So Subsurface does work across X.
I think (if memory serves) you may need to set the environment
variable.
exportLIBGL_ALWAYS_INDIRECT=1
By the nature of the environment, most graphical Linux applications work
across X. It just becomes a little problematic sometimes getting X to
play nice with Windows.
I've managed to get it working now, by disabling native opengl when
starting VcXsrv, and not setting LIBGL_ALWAYS_INDIRECT. Both the snap
version and my build from source work running on my linux server using
VcXsrv on Win10 as the display. The UI is a bit laggy, but it works.
Mark.
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