Parses command line arguments, and initializes global
attributes of GtkGLExt.
Any arguments used by GtkGLExt are removed from the array and
argc and argv are updated accordingly.
You shouldn't call this function explicitely if you are using
gtk_gl_init(), or gtk_gl_init_check().
Parses command line arguments, and initializes global attributes of GtkGLExt. Any arguments used by GtkGLExt are removed from the array and argc and argv are updated accordingly. You shouldn't call this function explicitely if you are using gtk_gl_init(), or gtk_gl_init_check().