dispList.cpp

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/////////////////////////////////////////////////////////////////////
// 6/6/02       Aaron Lefohn    Scientific Computing and Imaging Institute
// School of Computing          University of Utah
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2.1 of the License, or (at your option) any later version.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////
//
// dispListPrim.cpp: implementation for the DispList class.
//
/////////////////////////////////////////////////////////////////////

#include <util/dispList.h>
#include <GL/glUtil.h>

using namespace glift;

DispList::DispList() : m_dispList(0), m_isCompiled(false)
{}

DispList::~DispList()
{
   if( m_dispList > 0 ) {
      glDeleteLists( m_dispList, 1 );
   }
}

void DispList::compile( void (*glCommands)() )
{
   compile( new Command0(glCommands) );
}

void DispList::compile( Command* glCommands )
{
   m_dispList = glGenLists(1);

   glNewList( m_dispList, GL_COMPILE );
   {
      glCommands->execute();
   }
   glEndList();

   delete glCommands;
   m_isCompiled = true;

   glErr(estr(), "compile()");
}

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