the contents of a #GstGLDisplayX11 are private and should only be accessed
through the provided API
Create a new #GstGLDisplayX11 from the x11 display name. See `XOpenDisplay`()
for details on what is a valid name.
a new #GstGLDisplayX11 or %NULL
a display name
Creates a new display connection from a X11 Display.
a new #GstGLDisplayX11
an existing, x11 display
#GstGLDisplayX11 represents a connection to an X11 `Display` handle created
internally (gst_gl_display_x11_new()) or wrapped by the application
(gst_gl_display_x11_new_with_display())