1 /****************************************************************************
2 * MeshLab                                                           o o     *
3 * An extendible mesh processor                                    o     o   *
4 *                                                                _   O  _   *
5 * Copyright(C) 2005, 2009                                          \/)\/    *
6 * Visual Computing Lab                                            /\/|      *
7 * ISTI - Italian National Research Council                           |      *
8 *                                                                    \      *
9 * All rights reserved.                                                      *
10 *                                                                           *
11 * This program is free software; you can redistribute it and/or modify      *
12 * it under the terms of the GNU General Public License as published by      *
13 * the Free Software Foundation; either version 2 of the License, or         *
14 * (at your option) any later version.                                       *
15 *                                                                           *
16 * This program is distributed in the hope that it will be useful,           *
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of            *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
19 * GNU General Public License (http://www.gnu.org/licenses/gpl.txt)          *
20 * for more details.                                                         *
21 *                                                                           *
22 ****************************************************************************/
23 
24 #pragma once
25 #include <QMessageBox>
26 class checkGLError
27 {
28 public:
makeString(const char * m)29   static QString makeString(const char* m)
30   {
31     QString message(m);
32 
33     switch(glGetError()) {
34     case GL_NO_ERROR: return QString();
35 
36     case GL_INVALID_ENUM:                     message+=("invalid enum");                  break;
37     case GL_INVALID_VALUE:                    message+=("invalid value");                 break;
38     case GL_INVALID_OPERATION:                message+=("invalid operation");             break;
39     case GL_STACK_OVERFLOW:                   message+=("stack overflow");                break;
40     case GL_STACK_UNDERFLOW:                  message+=("stack underflow");               break;
41     case GL_OUT_OF_MEMORY:                    message+=("out of memory");                 break;
42     case GL_INVALID_FRAMEBUFFER_OPERATION:    message+=("invalid framebuffer operation"); break;
43     }
44     return message;
45   }
46 
debugInfo(const char * m)47   static void debugInfo(const char* m) {
48     QString message=makeString(m);
49     if(message.isEmpty()) return;
50     ::qDebug("%s",qPrintable(message));
51   }
52 
QMessageBox(const char * m,const char * title)53   static void QMessageBox(const char* m, const char* title) {
54     QString message=makeString(m);
55     QMessageBox::warning(0, title,message);
56   }
QMessageBox(const char * m)57   static void QMessageBox(const char* m) {QMessageBox(m,"GL error");}
58 };
59 
60