def initialize_gl(self):
assert not self.gl_active
vb = context.application.vis_backend
self.gl_active = True
self.bounding_box = BoundingBox()
self.draw_list = vb.create_list(self)
self.boundingbox_list = vb.create_list()
self.total_list = vb.create_list()
##print "Created lists (%i, %i, %i): %s" % (self.draw_list, self.boundingbox_list, self.total_list, self.get_name())
self.draw_list_valid = True
self.boundingbox_list_valid = True
self.total_list_valid = True
self.invalidate_all_lists()
if isinstance(self.parent, GLMixin):
self.parent.invalidate_all_lists()
