Set the OpenGL-capability to the @window. This function creates a new #GdkGLWindow held by the @window. attrib_list is currently unused. This must be set to NULL or empty (first attribute of None).
the #GdkWindow to be used as the rendering area.
a #GdkGLConfig.
this must be set to NULL or empty (first attribute of None).
Return: the #GdkGLWindow used by the @window if it is successful, NULL otherwise.
See Implementation
Set the OpenGL-capability to the @window. This function creates a new #GdkGLWindow held by the @window. attrib_list is currently unused. This must be set to NULL or empty (first attribute of None).