public void set_cogl_texture (Handle cogl_tex)
Warning: set_cogl_texture is deprecated since 1.12.
Replaces the underlying COGL texture drawn by this actor with
No replacement available; it's not advisable to modify the Cogl pipeline of an actor.
Use a Content implementation and set up the pipeline during the paint sequence instead.
A reference to the texture is taken so if the handle is no longer needed it should be deref'd with cogl_handle_unref.
A CoglHandle for a texture