reactos/dll/glu32/libnurbs/internals/displaylist.cc

   1 /*
   2 ** License Applicability. Except to the extent portions of this file are
   3 ** made subject to an alternative license as permitted in the SGI Free
   4 ** Software License B, Version 1.1 (the "License"), the contents of this
   5 ** file are subject only to the provisions of the License. You may not use
   6 ** this file except in compliance with the License. You may obtain a copy
   7 ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
   8 ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
   9 **
  10 ** http://oss.sgi.com/projects/FreeB
  11 **
  12 ** Note that, as provided in the License, the Software is distributed on an
  13 ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
  14 ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
  15 ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
  16 ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
  17 **
  18 ** Original Code. The Original Code is: OpenGL Sample Implementation,
  19 ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
  20 ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
  21 ** Copyright in any portions created by third parties is as indicated
  22 ** elsewhere herein. All Rights Reserved.
  23 **
  24 ** Additional Notice Provisions: The application programming interfaces
  25 ** established by SGI in conjunction with the Original Code are The
  26 ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
  27 ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
  28 ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
  29 ** Window System(R) (Version 1.3), released October 19, 1998. This software
  30 ** was created using the OpenGL(R) version 1.2.1 Sample Implementation
  31 ** published by SGI, but has not been independently verified as being
  32 ** compliant with the OpenGL(R) version 1.2.1 Specification.
  33 */
  34
  35 /*
  36  * displaylist.c++
  37  *
  38  * $Date$ $Revision: 1.1 $
  39  * $Header: /cygdrive/c/RCVS/CVS/ReactOS/reactos/lib/glu32/libnurbs/internals/displaylist.cc,v 1.1 2004/02/02 16:39:11 navaraf Exp $
  40  */
  41
  42 #include "glimports.h"
  43 #include "mystdio.h"
  44 #include "nurbstess.h"
  45 #include "displaylist.h"
  46
  47
  48 DisplayList::DisplayList( NurbsTessellator  *_nt ) :
  49         dlnodePool( sizeof( Dlnode ), 1, "dlnodepool" )
  50 {
  51     lastNode = &nodes;
  52     nt = _nt;
  53 }
  54
  55 DisplayList::~DisplayList( void )
  56 {
  57     for( Dlnode *nextNode; nodes; nodes = nextNode ) {
  58         nextNode = nodes->next;
  59         if( nodes->cleanup != 0 ) (nt->*nodes->cleanup)( nodes->arg );
  60         //nodes->deleteMe(dlnodePool);
  61     }
  62 }
  63
  64 void
  65 DisplayList::play( void )
  66 {
  67     for( Dlnode *node = nodes; node; node = node->next )
  68         if( node->work != 0 ) (nt->*node->work)( node->arg );
  69 }
  70
  71 void
  72 DisplayList::endList( void )
  73 {
  74     *lastNode = 0;
  75 }
  76
  77 void
  78 DisplayList::append( PFVS work, void *arg, PFVS cleanup )
  79 {
  80     Dlnode *node = new(dlnodePool) Dlnode( work, arg, cleanup );
  81     *lastNode = node;
  82     lastNode = &(node->next);
  83 }
  84