/*===========================================================================*\
*                                                                            *
*                              OpenFlipper                                   *
 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
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 * This file is part of OpenFlipper.                                         *
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 * are met:                                                                  *
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 *    this list of conditions and the following disclaimer.                  *
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 *    contributors may be used to endorse or promote products derived from   *
 *    this software without specific prior written permission.               *
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\*===========================================================================*/

/*===========================================================================*\
*                                                                            *
*   $Revision$                                                       *
*   $LastChangedBy$                                                *
*   $Date$                     *
*                                                                            *
\*===========================================================================*/


// QOpenGL headers and glew are in conflict,
// so implement functions that make use of QOpenGL classes in separate file


//=============================================================================
//
//  CLASS glViewer - IMPLEMENTATION
//
//=============================================================================


//== INCLUDES =================================================================

#include "QtBaseViewer.hh"

#include <OpenFlipper/common/GlobalOptions.hh>

#if (QT_VERSION >= QT_VERSION_CHECK(5,4,4))
  #include <QOpenGLContext>
#endif

#if (QT_VERSION >= QT_VERSION_CHECK(5,1,0))
#include <QOpenGLDebugLogger>
#endif


//== NAMESPACES ===============================================================



//== IMPLEMENTATION ==========================================================



void glViewer::swapBuffers() {
#if (QT_VERSION >= QT_VERSION_CHECK(5, 4, 4))
  glWidget_->context()->swapBuffers(glWidget_->context()->surface());
#else
  glWidget_->swapBuffers();
#endif
}

//-----------------------------------------------------------------------------

void glViewer::startGLDebugLogger()
{
#if (QT_VERSION >= QT_VERSION_CHECK(5,1,0))
  if (OpenFlipper::Options::debug())
  {
    delete glDebugLogger_;
    glDebugLogger_ = new QOpenGLDebugLogger(this);
    if (glDebugLogger_->initialize())
    {
      connect(glDebugLogger_, SIGNAL(messageLogged(QOpenGLDebugMessage)), this, SLOT(processGLDebugMessage(QOpenGLDebugMessage)));
      glDebugLogger_->startLogging(QOpenGLDebugLogger::SynchronousLogging);
    }
  }
#endif
}

//-----------------------------------------------------------------------------

void glViewer::deleteGLDebugLogger()
{
#if (QT_VERSION >= QT_VERSION_CHECK(5,1,0))
  makeCurrent();
  delete glDebugLogger_;
#endif
}

//-----------------------------------------------------------------------------

#if (QT_VERSION >= QT_VERSION_CHECK(5,1,0))

void glViewer::processGLDebugMessage(const QOpenGLDebugMessage& msg)
{
  if (msg.severity() & QOpenGLDebugMessage::HighSeverity)
    std::cerr << msg.message().toStdString() << std::endl;

  // also catch deprecated function calls in core profile
  else if (!glstate_->compatibilityProfile() && msg.type() == QOpenGLDebugMessage::DeprecatedBehaviorType)
    std::cerr << msg.message().toStdString() << std::endl; 
}

#endif


//=============================================================================
//=============================================================================