diff options
Diffstat (limited to 'examples/activeqt/opengl/glbox.cpp')
-rw-r--r-- | examples/activeqt/opengl/glbox.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/examples/activeqt/opengl/glbox.cpp b/examples/activeqt/opengl/glbox.cpp index 3f2b5bb..04c854c 100644 --- a/examples/activeqt/opengl/glbox.cpp +++ b/examples/activeqt/opengl/glbox.cpp @@ -78,7 +78,9 @@ GLBox::GLBox( QWidget* parent, const char* name ) GLBox::~GLBox() { makeCurrent(); - glDeleteLists( object, 1 ); + + if (object) + glDeleteLists( object, 1 ); } @@ -109,6 +111,8 @@ void GLBox::paintGL() void GLBox::initializeGL() { + initializeOpenGLFunctions(); + qglClearColor(Qt::black); // Let OpenGL clear to black object = makeObject(); // Generate an OpenGL display list glShadeModel( GL_FLAT ); |