// @(#)root/eve:$Id: TEvePlot3DGL.cxx 29526 2009-07-20 17:41:53Z matevz $
// Author: Matevz Tadel, 2009

/*************************************************************************
 * Copyright (C) 1995-2007, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/

#include "TEvePlot3DGL.h"
#include "TEvePlot3D.h"
#include "TGLPlot3D.h"

#include "TGLRnrCtx.h"
#include "TGLIncludes.h"

//______________________________________________________________________________
// OpenGL renderer class for TEvePlot3D.
//

ClassImp(TEvePlot3DGL);

//______________________________________________________________________________
TEvePlot3DGL::TEvePlot3DGL() :
   TGLObject(), fM(0), fPlotLogical(0)
{
   // Constructor.

   fDLCache = kFALSE; // Disable display list.
}

/******************************************************************************/

//______________________________________________________________________________
Bool_t TEvePlot3DGL::SetModel(TObject* obj, const Option_t* /*opt*/)
{
   // Set model object.

   if (SetModelCheckClass(obj, TEvePlot3D::Class())) {
      fM = dynamic_cast<TEvePlot3D*>(obj);
      fPlotLogical = TGLPlot3D::CreatePlot(fM->fPlot, fM->fPlotOption, fM->fLogX, fM->fLogY, fM->fLogZ);
      return kTRUE;
   }
   return kFALSE;
}

//______________________________________________________________________________
void TEvePlot3DGL::SetBBox()
{
   // Set bounding box.

   // !! This ok if master sub-classed from TAttBBox
   //SetAxisAlignedBBox(((TEvePlot3D*)fExternalObj)->AssertBBox());
   fBoundingBox = fPlotLogical->BoundingBox();
}

/******************************************************************************/

//______________________________________________________________________________
void TEvePlot3DGL::DirectDraw(TGLRnrCtx & rnrCtx) const
{
   // Render with OpenGL.

   // printf("TEvePlot3DGL::DirectDraw LOD %d\n", rnrCtx.CombiLOD());
   if (fPlotLogical)
   {
      fPlotLogical->DirectDraw(rnrCtx);
   }
}