QAbstractFrameAdvanceService: add start/stop methods

This is a hook to allow aspects to proceed to shutdown
QTickClockService and VSyncFrameAdvanceService updated accordingly.
The start method is called just before the QAspectManager enters
the running loop.

Change-Id: I8fb8bb5e3e1bbd77e7ba069c9f0ecc83d975f1d1
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/src/core/services/qtickclockservice.cpp b/src/core/services/qtickclockservice.cpp
index c23c33cb5..45b359cd6 100644
--- a/src/core/services/qtickclockservice.cpp
+++ b/src/core/services/qtickclockservice.cpp
@@ -81,6 +81,19 @@ qint64 QTickClockService::waitForNextFrame()
     return d->m_clock.waitForNextTick();
 }
 
+/*!
+    Starts the inner tick clock used by the service.
+ */
+void QTickClockService::start()
+{
+    Q_D(QTickClockService);
+    d->m_clock.start();
+}
+
+void QTickClockService::stop()
+{
+}
+
 } // Qt3D
 
 QT_END_NAMESPACE