conductor.H

/*
 * This file is part of the "Archon" framework.
 * (http://files3d.sourceforge.net)
 *
 * Copyright © 2002 by Kristian Spangsege and Brian Kristiansen.
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation under the terms of the GNU General Public License is
 * hereby granted. No representations are made about the suitability of
 * this software for any purpose. It is provided "as is" without express
 * or implied warranty. See the GNU General Public License
 * (http://www.gnu.org/copyleft/gpl.html) for more details.
 *
 * The characters in this file are ISO8859-1 encoded.
 *
 * The documentation in this file is in "Doxygen" style
 * (http://www.doxygen.org).
 */

#ifndef ARCHON_RENDER_CONDUCTOR_H
#define ARCHON_RENDER_CONDUCTOR_H

#include <archon/util/condition.H>
#include <archon/render/context.H>

namespace Archon
{
  namespace Render
  {
    struct Conductor: RefObjectBase
    {
      static Ref<Conductor> create()
      {
        return new Conductor;
      }

      Ref<Pipe> addPipe(Ref<Display::Visual>, bool direct = true);

      void render();

      Ref<Pipe> getMasterPipe() const
      {
        Mutex::Lock l(syncMutex);
        return masterPipe;
      }

      void terminate();

    private:
      Conductor();

      Mutex syncMutex;

      friend struct Pipe;

      void addWindow(Ref<Display::Window>, Ref<Pipe>);

      void slaveThread(unsigned index);

      vector<pair<Ref<Display::Window>, Ref<Pipe> > > windows;

      struct Slave
      {
        Ref<Pipe> pipe;
        Ref<Thread> thread;
        bool hold;

        Slave(Ref<Pipe> pipe, Ref<Thread> thread);
      };

      Ref<Pipe> masterPipe;
      vector<Slave> slaves;
      unsigned unfinishedSlaves;
      Condition proceed, slaveFinished;
    };
  }
}

#endif // ARCHON_RENDER_CONDUCTOR_H

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