src/glu/sgi/libnurbs/internals/displaylist.h

   1 /*
   2  * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
   3  * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice including the dates of first publication and
  13  * either this permission notice or a reference to
  14  * http://oss.sgi.com/projects/FreeB/
  15  * shall be included in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20  * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  22  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Except as contained in this notice, the name of Silicon Graphics, Inc.
  26  * shall not be used in advertising or otherwise to promote the sale, use or
  27  * other dealings in this Software without prior written authorization from
  28  * Silicon Graphics, Inc.
  29  */
  30
  31 /*
  32  * displaylist.h
  33  *
  34  */
  35
  36 #ifndef __gludisplaylist_h_
  37 #define __gludisplaylist_h_
  38
  39 #include "glimports.h"
  40 #include "mysetjmp.h"
  41 #include "mystdio.h"
  42 #include "bufpool.h"
  43
  44 class NurbsTessellator;
  45
  46 typedef void (NurbsTessellator::*PFVS)( void * );
  47
  48 struct Dlnode : public PooledObj {
  49                         Dlnode( PFVS, void *, PFVS );
  50     PFVS                work;
  51     void *              arg;
  52     PFVS                cleanup;
  53     Dlnode *            next;
  54 };
  55
  56 inline
  57 Dlnode::Dlnode( PFVS _work, void *_arg, PFVS _cleanup )
  58 {
  59     work = _work;
  60     arg = _arg;
  61     cleanup = _cleanup;
  62     next = 0;
  63 }
  64
  65 class DisplayList {
  66 public:
  67                         DisplayList( NurbsTessellator * );
  68                         ~DisplayList( void );
  69     void                play( void );
  70     void                append( PFVS work, void *arg, PFVS cleanup );
  71     void                endList( void );
  72 private:
  73     Dlnode              *nodes;
  74     Pool                dlnodePool;
  75     Dlnode              **lastNode;
  76     NurbsTessellator    *nt;
  77 };
  78
  79 #endif /* __gludisplaylist_h_ */