(define-object GtkGLArea (GtkDrawingArea) (cast GTK_GL_AREA))
(define-boxed GdkGLContext
gdk_gl_context_ref
gdk_gl_context_unref)
(define-boxed GdkGLPixmap
gdk_gl_pixmap_ref
gdk_gl_pixmap_unref)
(define-object GtkGLArea (GtkDrawingArea) (cast GTK_GL_AREA))
(define-boxed GdkGLContext
gdk_gl_context_ref
gdk_gl_context_unref)
(define-boxed GdkGLPixmap
gdk_gl_pixmap_ref
gdk_gl_pixmap_unref)