We fall back to using GLX in glxtest when available because there's no `GLX_MESA_query_renderer` extension yet, which again provides infos we use to e.g. whitelist devices for Webrender. This is unfortunate for several reasons: - On Wayland it requires an xserver to run and be reachable. This is bad for Wayland only environments, in a flatpak sandboxes with `X11_fallback` set for better security or if the xserver is started on demand, like Gnome will do in the future - On X11 it blocks us from deprecating / disabling GLX This is blocked by the corresponding feature request for mesa: https://gitlab.freedesktop.org/mesa/mesa/-/issues/2976
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We fall back to using GLX in glxtest when available because there's no `EGL_MESA_query_renderer` extension yet, which again provides infos we use to e.g. whitelist devices for Webrender. This is unfortunate for several reasons: - On Wayland it requires an xserver to run and be reachable. This is bad for Wayland only environments, in a flatpak sandboxes with `X11_fallback` set for better security or if the xserver is started on demand, like Gnome will do in the future - On X11 it blocks us from deprecating / disabling GLX This is blocked by the corresponding feature request for mesa: https://gitlab.freedesktop.org/mesa/mesa/-/issues/2976