Bug: Qt window did not count frames

Author: einarf

demosys/context/pyqt/window.py

@@ -85,6 +85,7 @@ def resizeGL(self, width, height):
         print("Resize", width, height)
 
     def swap_buffers(self):
+        self.frames += 1
         self.widget.swapBuffers()
         # We don't use standard event loop having to manually process events
         self.app.processEvents()