= class Gdk::GLPixmap
OpenGL Pixmap  OpenGL pixmap which is maintained off-screen

== Object Hierarchy
* Object
  * GLib::Instantiatable
    * GLib::Object
      * Gdk::Drawable
        * Gdk::GLPixmap

== Class Methods
--- Gdk::GLPixmap.new(glconfig, pixmap)
    Creates an off-screen rendering area.
    * glconfig: a Gdk::GLConfig.
    * pixmap: the Gdk::Pixmap to be used as the rendering area.
    * Returns: the new Gdk::GLPixmap.

== Instance Methods
--- destroy
    Destroys the OpenGL resources associated with the OpenGL pixmap.
    * Returns: nil

--- pixmap
    Returns the Gdk::Pixmap associated with the OpenGL pixmap.
    Notice that Gdk::GLPixmap is not Gdk::Pixmap, but another Gdk::Drawable which have an associated Gdk::Pixmap.
    * Returns: the Gdk::Pixmap associated with the OpenGL pixmap.