Renderer.cc

/*===========================================================================*\
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*                              OpenFlipper                                   *
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/*===========================================================================*\
*                                                                            *
*   $Revision: 21016 $                                                       *
*   $LastChangedBy: schultz $                                                *
*   $Date: 2015-07-16 16:48:42 +0200 (Do, 16 Jul 2015) $                     *
*                                                                            *
\*===========================================================================*/


#include "Renderer.hh"


#include <OpenFlipper/BasePlugin/PluginFunctions.hh>
#include <ACG/GL/ShaderCache.hh>



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

Renderer::Renderer()
{
}


Renderer::~Renderer()
{
}


void Renderer::initializePlugin()
{
}



void Renderer::render(ACG::GLState* _glState, Viewer::ViewerProperties& _properties)
{
  // collect renderobjects + prepare OpenGL state
  prepareRenderingPipeline(_glState, _properties.drawMode(), PluginFunctions::getSceneGraphRootNode());

  // render every object
  for (int i = 0; i < getNumRenderObjects(); ++i)
    renderObject( getRenderObject(i) );

  // restore common opengl state
  // log window remains hidden otherwise
  finishRenderingPipeline();

//  dumpRenderObjectsToFile("../../dump_ro.txt", &sortedObjects_[0]);
}


QString Renderer::checkOpenGL()
{
  if (!ACG::openGLVersion(3, 2))
    return QString("Insufficient OpenGL Version! OpenGL 3.2 or higher required");

  QString missing("");
  if ( !ACG::checkExtensionSupported("GL_ARB_vertex_buffer_object") )
    missing += "GL_ARB_vertex_buffer_object extension missing\n";

#ifndef __APPLE__
  if ( !ACG::checkExtensionSupported("GL_ARB_vertex_program") )
    missing += "GL_ARB_vertex_program extension missing\n";
#endif

  return missing;
}


#if QT_VERSION < 0x050000
  Q_EXPORT_PLUGIN2( shaderrenderer , Renderer );
#endif