Be more verbose on renderer detection failiure on startup

List name of plugin with missing opengl extension



git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@16710 383ad7c9-94d9-4d36-a494-682f7c89f535

Core/Core.cc

@@ -580,6 +580,12 @@ Core::init() {
           renderManager().setActive(defaultRendererId,i);
         } else {
           emit log(LOGERR,tr("Default classical renderer is also not available. Trying to use any other renderer i can find!"));
+
+          // debug information for this case, print renderer count and their names
+          const unsigned int rendererCount = renderManager().available();
+          emit log(LOGERR,tr("Currently ") + QString::number(rendererCount) + tr(" renderers are available:") );
+          for (unsigned int i = 0 ; i < rendererCount ; ++i )
+            emit log(LOGERR, tr("Renderer ") + QString::number(i) + ": " + renderManager()[i]->name );
         }
 
       } else {

Core/PluginLoader.cc

@@ -1972,7 +1972,7 @@ void Core::loadPlugin(const QString& _filename,const bool _silent, QString& _lic
       QMetaObject::invokeMethod(plugin,"checkOpenGL", Qt::DirectConnection,   Q_RETURN_ARG(QString,openGLCheck) ) ;
 
       if ( openGLCheck != "" ) {
-        emit log(LOGERR,tr("Error: Insufficient OpenGL capabilities!"));
+        emit log(LOGERR,tr("Error: Insufficient OpenGL capabilities in Plugin") + rendererNameString + " !");
         emit log(LOGERR,openGLCheck);
       }