QT += opengl widgets VPATH += ../shared INCLUDEPATH += ../shared HEADERS = bubble.h \ glwidget.h \ qtlogo.h SOURCES = bubble.cpp \ glwidget.cpp \ main.cpp \ qtlogo.cpp # install target.path = $$[QT_INSTALL_EXAMPLES]/opengl/overpainting INSTALLS += target 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") }