copy.lisp

;;; Copyright (c) 2007 Zachary Beane, All Rights Reserved
;;;
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;;; modification, are permitted provided that the following conditions
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;;;     notice, this list of conditions and the following disclaimer.
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;;;   * Redistributions in binary form must reproduce the above
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;;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR 'AS IS' AND ANY EXPRESSED
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;;; ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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;;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
;;; GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
;;; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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;;; $Id: copy.lisp,v 1.2 2007/09/20 18:00:37 xach Exp $

(in-package #:vecto)

(defgeneric copy (object)
  (:documentation
   "Copy an object in a way suitable for pushing to the graphics state
  stack. That is, if it's an immutable object, simply return the
  object; otherwise, create a new object with the immutable state
  copied."))