It's definitely good to have a backup. That last wx packaging fiasco with the halfway switch from gtk2 to gtk3 was not pleasant.
-S On Mon, Sep 28, 2020 at 3:43 PM Ian McInerney <ian.s.mciner...@ieee.org> wrote: > The upcoming wxWidgets 3.1.5 release has added a new backend supporting > Wayland/EGL to the wxGLCanvas that we use for displaying the OpenGL drawing > canvas. This backend appears to be the new default backend for wxGTK unless > it is explicitly disabled on the wxWidgets configure step (you > pass --disable-glcanvasegl to the configure script). It is also not > currently possible to change this backend at runtime. This means that we > will be forced to use whatever the distro-defaults are for the canvas > backend once wx 3.1/3.2 is being used in the wild. > > I was just working with it some, and our main bottleneck for supporting it > natively is currently the GLEW dependency we have in our rendering code. > GLEW requires a compile-time selection of either X11 or EGL backends, and > all distributions seem to only ship a library built for the X11 backend. > > I have done some experimenting, and building a version of GLEW that is > meant for EGL is fairly simple and uses a single C file and the public > headers. It can be compiled into a static library that we then link into > our code, so we don't actually need to bundle a shared library. My thinking > currently is that we provide these GLEW files in the thirdparty directory, > and only use them if a specific compile-time option to use EGL is provided. > That will mean that linux packaging will still use distro-provided GLEW > libraries when using the X11 backend, and if the distro can supply an > EGL-capable GLEW version we can try to use that (I am not sure how the > distros will manage this though). > > -Ian > _______________________________________________ > Mailing list: https://launchpad.net/~kicad-developers > Post to : kicad-developers@lists.launchpad.net > Unsubscribe : https://launchpad.net/~kicad-developers > More help : https://help.launchpad.net/ListHelp > -- [image: KiCad Services Corporation Logo] Seth Hillbrand *Lead Developer* +1-530-302-5483 <+12126039372> Davis, CA www.kipro-pcb.com i...@kipro-pcb.com
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