3 files changed, 6 insertions, 3 deletions
diff --git a/examples/opengl/legacy/hellogl/glwidget.cpp b/examples/opengl/legacy/hellogl/glwidget.cpp
index 02501cd99e..122f7ddfe1 100644
--- a/examples/opengl/legacy/hellogl/glwidget.cpp
+++ b/examples/opengl/legacy/hellogl/glwidget.cpp
@@ -128,6 +128,8 @@ void GLWidget::setZRotation(int angle)
 //! [6]
 void GLWidget::initializeGL()
 {
+    initializeOpenGLFunctions();
+
     qglClearColor(qtPurple.dark());
 
     logo = new QtLogo(this, 64);
@@ -153,7 +155,7 @@ void GLWidget::paintGL()
     glRotatef(xRot / 16.0, 1.0, 0.0, 0.0);
     glRotatef(yRot / 16.0, 0.0, 1.0, 0.0);
     glRotatef(zRot / 16.0, 0.0, 0.0, 1.0);
-    logo->draw();
+    logo->draw(static_cast<QOpenGLFunctions_1_1 *>(this));
 }
 //! [7]
 
diff --git a/examples/opengl/legacy/hellogl/glwidget.h b/examples/opengl/legacy/hellogl/glwidget.h
index 994e38e13d..9aca4451df 100644
--- a/examples/opengl/legacy/hellogl/glwidget.h
+++ b/examples/opengl/legacy/hellogl/glwidget.h
@@ -42,11 +42,12 @@
 #define GLWIDGET_H
 
 #include <QGLWidget>
+#include <QOpenGLFunctions_1_1>
 
 class QtLogo;
 
 //! [0]
-class GLWidget : public QGLWidget
+class GLWidget : public QGLWidget, public QOpenGLFunctions_1_1
 {
     Q_OBJECT
 
diff --git a/examples/opengl/legacy/hellogl/hellogl.pro b/examples/opengl/legacy/hellogl/hellogl.pro
index bb75b07200..c211242fd2 100644
--- a/examples/opengl/legacy/hellogl/hellogl.pro
+++ b/examples/opengl/legacy/hellogl/hellogl.pro
@@ -14,4 +14,4 @@ QT           += opengl widgets
 target.path = $$[QT_INSTALL_EXAMPLES]/opengl/legacy/hellogl
 INSTALLS += target
 
-contains(QT_CONFIG, opengles.|angle|dynamicgl):error("This example requires Qt to be configured with -opengl desktop")
+contains(QT_CONFIG, opengles.|angle):error("This example requires Qt to be configured with -opengl desktop")