IABSD.fr/xenocara/lib/libGLU/src/libnurbs/internals/maplist.cc

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• Author : jsg
  Date : 2013-09-01 03:51:12
  Hash : 729f7da4
  Message : Update to GLU 9.0.0, GLU was previously part of Mesa but is now seperate. tested in a ports bulk build by landry@, ok matthieu@

• lib/libGLU/src/libnurbs/internals/maplist.cc

• /*
  ** License Applicability. Except to the extent portions of this file are
  ** made subject to an alternative license as permitted in the SGI Free
  ** Software License B, Version 1.1 (the "License"), the contents of this
  ** file are subject only to the provisions of the License. You may not use
  ** this file except in compliance with the License. You may obtain a copy
  ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
  ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
  **
  ** http://oss.sgi.com/projects/FreeB
  **
  ** Note that, as provided in the License, the Software is distributed on an
  ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
  ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
  ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
  ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
  **
  ** Original Code. The Original Code is: OpenGL Sample Implementation,
  ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
  ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
  ** Copyright in any portions created by third parties is as indicated
  ** elsewhere herein. All Rights Reserved.
  **
  ** Additional Notice Provisions: The application programming interfaces
  ** established by SGI in conjunction with the Original Code are The
  ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
  ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
  ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
  ** Window System(R) (Version 1.3), released October 19, 1998. This software
  ** was created using the OpenGL(R) version 1.2.1 Sample Implementation
  ** published by SGI, but has not been independently verified as being
  ** compliant with the OpenGL(R) version 1.2.1 Specification.
  */
  
  /*
   * maplist.c++
   *
   */
  
  #include "glimports.h"
  #include "mystdio.h"
  #include "myassert.h"
  #include "mymath.h"
  #include "nurbsconsts.h"
  #include "maplist.h"
  #include "mapdesc.h"
   
  Maplist::Maplist( Backend& b )
      : mapdescPool( sizeof( Mapdesc ), 10, "mapdesc pool" ),
        backend( b )
  {
      maps = 0; lastmap = &maps;
  }
  
  void 
  Maplist::initialize( void )
  {
      freeMaps();
      define( N_P2D, 0, 2 );
      define( N_P2DR, 1, 3 );
  }
  
  void 
  Maplist::add( long type, int israt, int ncoords )
  {
      *lastmap = new(mapdescPool) Mapdesc( type, israt, ncoords, backend );
      lastmap = &((*lastmap)->next);
  }
  
  void 
  Maplist::define( long type, int israt, int ncoords )
  {
  #ifndef NDEBUG // to avoid warning
      Mapdesc *m = locate( type );
      assert( m == NULL || ( m->isrational == israt && m->ncoords == ncoords ) );
  #endif
      add( type, israt, ncoords );
  }
  
  void 
  Maplist::remove( Mapdesc *m )
  {
      for( Mapdesc **curmap = &maps; *curmap; curmap = &((*curmap)->next) ) {
  	if( *curmap == m ) {
  	    *curmap = m->next;
  	    m->deleteMe( mapdescPool );
  	    return;
  	}
      }
      abort();
  }
  
  void
  Maplist::freeMaps( void )
  {
      mapdescPool.clear();
      maps = 0;
      lastmap = &maps;
  }
  
  Mapdesc * 
  Maplist::find( long type )
  {
      Mapdesc *val = locate( type );
      assert( val != 0 );
      return val;
  }
  
  Mapdesc * 
  Maplist::locate( long type )
  {
      Mapdesc *m;
      for( m = maps; m; m = m->next )
  	if( m->getType() == type ) break;
      return m;
  }