[Qt-interest] OpenGL and QGraphicsView problem

[Oliver Demetz]

Hi,
try reinstalling the driver of the graphics card.
I do not see problems in the given code.
Do other OpenGL apps run properly on the same machine?

Regards,
Oliver

M.Fujino schrieb:
> Hi all,
> 
> I have a chipset dependent problem about OpenGL and
> QGraphicsView/Scene framework.
> 
> Following code runs successfully in most machines that I have, but it
> failed only in Windows Vista on
> Intel mobile GS45 chipset.
> 
> The error occurs on view.setViewport(new QGLWidget);
> 
> Event viewer said that it failed in the "ig4dev32.dll". The exception
> code is 0x0000005 or 0x8000003, it
> depends on the dll version.
> 
> I use LGPL Qt 4.5 , and I compiled the code with Visual Studio 2005.
> 
> Have you got any insights ?
> 
> Thanks a lot in advance.
> 
> --
> Nagisa
> 
> 
> #include <QApplication>
> #include <QGLWidget>
> #include <QtGUI>
> #include <iostream>
> 
> int main(int argc, char *argv[])
> {
> 	QApplication a(argc, argv);
> 
> 	if (!QGLFormat::hasOpenGL()){
> 		qFatal("Abort");
> 	}
> 
> 	QGraphicsScene scene;
> 	QGraphicsView view(&scene);
> 	std::cout << "1" << std::endl;
> 	view.setViewport(new QGLWidget); // fatal error occurs in
> C:\windows\system32\ig4dev32.dll
> 	std::cout << "2" << std::endl;
> 	view.show();
> 
> 	return a.exec();
> }
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