vcglib: checkGLError.h Source File

00001 /****************************************************************************
00002 * MeshLab                                                           o o     *
00003 * An extendible mesh processor                                    o     o   *
00004 *                                                                _   O  _   *
00005 * Copyright(C) 2005, 2009                                          \/)\/    *
00006 * Visual Computing Lab                                            /\/|      *
00007 * ISTI - Italian National Research Council                           |      *
00008 *                                                                    \      *
00009 * All rights reserved.                                                      *
00010 *                                                                           *
00011 * This program is free software; you can redistribute it and/or modify      *
00012 * it under the terms of the GNU General Public License as published by      *
00013 * the Free Software Foundation; either version 2 of the License, or         *
00014 * (at your option) any later version.                                       *
00015 *                                                                           *
00016 * This program is distributed in the hope that it will be useful,           *
00017 * but WITHOUT ANY WARRANTY; without even the implied warranty of            *
00018 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
00019 * GNU General Public License (http://www.gnu.org/licenses/gpl.txt)          *
00020 * for more details.                                                         *
00021 *                                                                           *
00022 ****************************************************************************/
00023 
00024 #pragma once
00025 #include <QMessageBox>
00026 class checkGLError
00027 {
00028         public:
00029         static QString makeString(const char* m)
00030         {
00031                 QString message(m);
00032                 
00033                 switch(glGetError()) {                  
00034                         case GL_NO_ERROR: return QString();
00035                                 
00036                         case GL_INVALID_ENUM:                                   message+=(": invalid enum");                            break;                          
00037                         case GL_INVALID_VALUE:                          message+=(": invalid value");                           break;
00038                         case GL_INVALID_OPERATION:              message+=(": invalid operation");               break;
00039                         case GL_STACK_OVERFLOW:                         message+=(": stack overflow");                  break;
00040                         case GL_STACK_UNDERFLOW:                        message+=(": stack underflow");                 break;                          
00041                         case GL_OUT_OF_MEMORY:                          message+=(": out of memory");                           break;
00042                 }
00043                 return message;
00044         }
00045         
00046         static void qDebug(const char* m) {
00047                 QString message=makeString(m);
00048     if(message.isEmpty()) return;
00049     ::qDebug("%s",qPrintable(message));
00050         }       
00051         
00052         static void QMessageBox(const char* m, const char* title) {
00053                 QString message=makeString(m);
00054                 QMessageBox::warning(0, title,message);
00055         }       
00056         static void QMessageBox(const char* m) {QMessageBox(m,"GL error");};
00057 };