add vcglib

vcglib/wrap/qt/checkGLError.h

@@ -0,0 +1,59 @@
+/****************************************************************************
+* MeshLab                                                           o o     *
+* An extendible mesh processor                                    o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2005, 2009                                          \/)\/    *
+* Visual Computing Lab                                            /\/|      *
+* ISTI - Italian National Research Council                           |      *
+*                                                                    \      *
+* All rights reserved.                                                      *
+*                                                                           *
+* This program is free software; you can redistribute it and/or modify      *
+* it under the terms of the GNU General Public License as published by      *
+* the Free Software Foundation; either version 2 of the License, or         *
+* (at your option) any later version.                                       *
+*                                                                           *
+* This program is distributed in the hope that it will be useful,           *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of            *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
+* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)          *
+* for more details.                                                         *
+*                                                                           *
+****************************************************************************/
+
+#pragma once
+#include <QMessageBox>
+class checkGLError
+{
+public:
+  static QString makeString(const char* m)
+  {
+    QString message(m);
+
+    switch(glGetError()) {
+    case GL_NO_ERROR: return QString();
+
+    case GL_INVALID_ENUM:                     message+=("invalid enum");                  break;
+    case GL_INVALID_VALUE:                    message+=("invalid value");                 break;
+    case GL_INVALID_OPERATION:                message+=("invalid operation");             break;
+    case GL_STACK_OVERFLOW:                   message+=("stack overflow");                break;
+    case GL_STACK_UNDERFLOW:                  message+=("stack underflow");               break;
+    case GL_OUT_OF_MEMORY:                    message+=("out of memory");                 break;
+    case GL_INVALID_FRAMEBUFFER_OPERATION:    message+=("invalid framebuffer operation"); break;
+    }
+    return message;
+  }
+
+  static void debugInfo(const char* m) {
+    QString message=makeString(m);
+    if(message.isEmpty()) return;
+    ::qDebug("%s",qPrintable(message));
+  }
+
+  static void QMessageBox(const char* m, const char* title) {
+    QString message=makeString(m);
+    QMessageBox::warning(0, title,message);
+  }
+  static void QMessageBox(const char* m) {QMessageBox(m,"GL error");}
+};
+