The gtk.glarea.GLArea widget is responsible for creating the gdk.glcontext.GLContext instance. If you need to render with other kinds of buffers (stencil, depth, etc), use render buffers.
GLArea.context
gdk.glcontext.GLContext context() @propertyGet context property.
Returns
The gdk.glcontext.GLContext used by the gtk.glarea.GLArea widget.