HEADERS = glwidget.h \ mainwindow.h SOURCES = glwidget.cpp \ main.cpp \ mainwindow.cpp QT += opengl widgets # install target.path = $$[QT_INSTALL_EXAMPLES]/opengl/grabber INSTALLS += target simulator: warning(This example might not fully work on Simulator platform) contains(QT_CONFIG, opengles.) { contains(QT_CONFIG, angle): \ warning("Qt was built with ANGLE, which provides only OpenGL ES 2.0 on top of DirectX 9.0c") error("This example requires Qt to be configured with -opengl desktop") }