QOpenGLContext::makeCurrent() called with non-opengl surface 0x426341b3d0
QOpenGLFunctions created with non-current context
QOpenGLShaderProgram::attributeLocation( posAttr ): shader program is not linked

QOpenGLShaderProgram::attributeLocation( colAttr ): shader program is not linked

QOpenGLShaderProgram::uniformLocation( matrix ): shader program is not linked
QOpenGLContext::makeCurrent() called with non-opengl surface 0x426341b3d0
ASSERT: "context" in file opengl\qopenglfunctions.cpp, line 195

11	_CrtDbgReportW	dbgrpt.c	279	0x7ffab131b340	
12	qt_message_fatal	qlogging.cpp	1322	0x671e2ada	
13	QMessageLogger::fatal	qlogging.cpp	662	0x671e2105	
14	qt_assert	qglobal.cpp	2125	0x671d9f12	
15	qt_gl_functions	qopenglfunctions.cpp	195	0x7ffab1ed363d	
16	QOpenGLFunctions::initializeOpenGLFunctions	qopenglfunctions.cpp	481	0x7ffab1ed3260	
17	QOpenGLFramebufferObjectPrivate::init	qopenglframebufferobject.cpp	423	0x7ffab1ed9679	
18	QOpenGLFramebufferObject::QOpenGLFramebufferObject	qopenglframebufferobject.cpp	781	0x7ffab1ed7bef	
19	QOpenGLWidget::resizeEvent	qopenglwidget.cpp	164	0x67d694bd	
20	QWidget::event	qwidget.cpp	8133	0x67d16b36	
21	QApplicationPrivate::notify_helper	qapplication.cpp	3519	0x67cb0796	
22	QApplication::notify	qapplication.cpp	3484	0x67cadd3f	
23	QCoreApplication::notifyInternal	qcoreapplication.cpp	937	0x67616014	
24	QCoreApplication::sendEvent	qcoreapplication.h	237	0x67621683	
25	QWidgetPrivate::sendPendingMoveAndResizeEvents	qwidget.cpp	7085	0x67d21950	
26	QWidgetPrivate::show_helper	qwidget.cpp	7138	0x67d21c90	
27	QWidget::setVisible	qwidget.cpp	7403	0x67d109ea	
28	QWidget::show	qwidget.cpp	7043	0x67d10d59	
29	QWidgetPrivate::showChildren	qwidget.cpp	7486	0x67d21592	
30	QWidgetPrivate::show_helper	qwidget.cpp	7148	0x67d21cb1	
31	QWidget::setVisible	qwidget.cpp	7403	0x67d109ea	
32	QWidget::show	qwidget.cpp	7043	0x67d10d59	
33	QWidgetPrivate::showChildren	qwidget.cpp	7486	0x67d21592	
34	QWidgetPrivate::show_helper	qwidget.cpp	7148	0x67d21cb1	
35	QWidget::setVisible	qwidget.cpp	7403	0x67d109ea	
36	QWidget::show	qwidget.cpp	7043	0x67d10d59	
37	QWidgetPrivate::showChildren	qwidget.cpp	7486	0x67d21592	
38	QWidgetPrivate::show_helper	qwidget.cpp	7148	0x67d21cb1	
39	QWidget::setVisible	qwidget.cpp	7403	0x67d109ea	
40	QWidget::show	qwidget.cpp	7043	0x67d10d59	
41	main	main.cpp	72	0x7ff73eaf2b1a	
42	__tmainCRTStartup	crtexe.c	626	0x7ff73eaf5e7d	
43	mainCRTStartup	crtexe.c	466	0x7ff73eaf5fae	
44	BaseThreadInitThunk	KERNEL32		0x7ffada4715cd	
45	RtlUserThreadStart	ntdll		0x7ffadacb43d1