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GlDrawManager.h

Go to the documentation of this file.

/*************** <auto-copyright.pl BEGIN do not edit this line> **************
 *
 * VR Juggler is (C) Copyright 1998-2003 by Iowa State University
 *
 * Original Authors:
 *   Allen Bierbaum, Christopher Just,
 *   Patrick Hartling, Kevin Meinert,
 *   Carolina Cruz-Neira, Albert Baker
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library 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.
 *
 * -----------------------------------------------------------------
 * File:          $RCSfile: GlDrawManager.h,v $
 * Date modified: $Date: 2004/04/20 23:08:59 $
 * Version:       $Revision: 1.61 $
 * -----------------------------------------------------------------
 *
 *************** <auto-copyright.pl END do not edit this line> ***************/

#ifndef _VRJ_GL_DRAW_MANAGER_H_
#define _VRJ_GL_DRAW_MANAGER_H_

#include <vrj/vrjConfig.h>
#include <vector>

#include <vpr/vpr.h>
//#include <vpr/Sync/CondVar.h>
#include <vpr/Sync/Semaphore.h>
#include <vpr/Util/Singleton.h>
#include <vpr/Thread/Thread.h>
#include <vpr/Thread/TSObjectProxy.h>

#ifdef VPR_OS_Darwin
#   include <OpenGL/gl.h>
#   include <OpenGL/glu.h>
#else
#   include <GL/gl.h>
#   include <GL/glu.h>
#endif

#include <jccl/Config/ConfigElementPtr.h>

#include <vrj/Draw/DrawManager.h>
//#include <vrj/Draw/OGL/GlApp.h>
#include <vrj/Draw/OGL/GlWindow.h>
#include <vrj/Draw/OGL/GlPipe.h>
#include <vrj/Draw/OGL/GlUserData.h>

namespace vrj
{
   class GlApp;
   class SimViewport;

class VJ_CLASS_API GlDrawManager : public DrawManager
{
public:
   friend class GlPipe;
   friend class GlContextDataBase;

   //**//virtual void configInitial(jccl::Configuration*  cfg);

   virtual void start();

   virtual void draw();

   virtual void sync();

   void main(void* nullParam);

   virtual void initAPI();

   virtual void addDisplay(Display* disp);

   virtual void removeDisplay(Display* disp);

   virtual void closeAPI();

   virtual void outStream(std::ostream& out);

   void drawAllPipes();

   virtual void setApp(App* _app);

   GlApp* getApp();

   //void setDisplayManager(DisplayManager* _dispMgr);

public: // Config element handlers
   virtual bool configAdd(jccl::ConfigElementPtr element);

   virtual bool configRemove(jccl::ConfigElementPtr element);

   virtual bool configCanHandle(jccl::ConfigElementPtr element);


public:
   GlUserData* currentUserData()
   { return &(*mUserData); }

   int getCurrentContext()
   { return (*mContextId); }

protected:
   GlWindow* getGLWindow();

   void setCurrentContext(int val)
   { (*mContextId) = val; }

   void dirtyAllWindows();

   bool isValidWindow(GlWindow* win);


protected:
   // --- Config Data --- //
   int      numPipes;     
   // --- API data --- //
   GlApp*                 mApp;      
   std::vector<GlWindow*> mWins;     
   std::vector<GlPipe*>   pipes;    
   // --- Helper field data --- //
   vpr::TSObjectProxy<int>           mContextId;   
   vpr::TSObjectProxy<GlUserData>    mUserData;    
   // --- MP Stuff -- //
   vpr::Semaphore    drawTriggerSema;  
   vpr::Semaphore    drawDoneSema;     
   //vpr::Semaphore    mRuntimeConfigSema;  /**< Protects run-time config.  Only when this semaphore
   //                                     *  is acquired can run-time config occur */
   bool              mRunning;         
   vpr::ThreadMemberFunctor<GlDrawManager>* mMemberFunctor;
   vpr::Thread* mControlThread;

protected:
   GlDrawManager();

   virtual ~GlDrawManager()
   {
      // XXX: Need to shut down the control thread and free the memory pointed
      // to by mMemberFunctor and mControlThread.
   }

   GlDrawManager(const GlDrawManager& o)
      : DrawManager()
   {;}

   void operator=(const GlDrawManager& o) {;}

   vprSingletonHeader(GlDrawManager);
};

} // end namespace

#endif

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