Expose number of jobs is last update

Useful for tracking amount of work done

Change-Id: I1d6e0394c35fffc4b33991373e4d16e4651987c7
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

4 files changed, 10 insertions, 5 deletions

diff --git a/src/core/aspects/qaspectmanager.cpp b/src/core/aspects/qaspectmanager.cpp
index df90fd57c..f276d633e 100644
--- a/src/core/aspects/qaspectmanager.cpp
+++ b/src/core/aspects/qaspectmanager.cpp
@@ -110,6 +110,7 @@ QAspectManager::QAspectManager(QAspectEngine *parent)
     , m_simulationLoopRunning(false)
     , m_driveMode(QAspectEngine::Automatic)
     , m_postConstructorInit(nullptr)
+    , m_jobsInLastFrame(0)
 {
     qRegisterMetaType<QSurface *>("QSurface*");
     qCDebug(Aspects) << Q_FUNC_INFO;
@@ -502,7 +503,7 @@ void QAspectManager::processFrame()
     QElapsedTimer timer;
     timer.start();
 #endif
-    m_scheduler->scheduleAndWaitForFrameAspectJobs(t);
+    m_jobsInLastFrame = m_scheduler->scheduleAndWaitForFrameAspectJobs(t);
 #if defined(QT3D_CORE_JOB_TIMING)
     qDebug() << "Jobs took" << timer.nsecsElapsed() / 1.0e6;
 #endif
diff --git a/src/core/aspects/qaspectmanager_p.h b/src/core/aspects/qaspectmanager_p.h
index 64c75586a..ed04b314f 100644
--- a/src/core/aspects/qaspectmanager_p.h
+++ b/src/core/aspects/qaspectmanager_p.h
@@ -112,6 +112,8 @@ public:
     QNode *lookupNode(QNodeId id) const;
     QVector<QNode *> lookupNodes(const QVector<QNodeId> &ids) const;
 
+    int jobsInLastFrame() const { return m_jobsInLastFrame; }
+
 private:
     bool event(QEvent *event) override;
     void requestNextFrame();
@@ -128,7 +130,7 @@ private:
     QAspectEngine::RunMode m_driveMode;
     QVector<NodeTreeChange> m_nodeTreeChanges;
     NodePostConstructorInit* m_postConstructorInit;
-
+    int m_jobsInLastFrame;
 };
 
 } // namespace Qt3DCore
diff --git a/src/core/qscheduler.cpp b/src/core/qscheduler.cpp
index 48cdfb8df..2294976ca 100644
--- a/src/core/qscheduler.cpp
+++ b/src/core/qscheduler.cpp
@@ -70,7 +70,7 @@ QAspectManager *QScheduler::aspectManager() const
     return m_aspectManager;
 }
 
-void QScheduler::scheduleAndWaitForFrameAspectJobs(qint64 time)
+int QScheduler::scheduleAndWaitForFrameAspectJobs(qint64 time)
 {
     QVector<QAspectJobPtr> jobQueue;
 
@@ -102,6 +102,8 @@ void QScheduler::scheduleAndWaitForFrameAspectJobs(qint64 time)
         for (QAbstractAspect *aspect : aspects)
             QAbstractAspectPrivate::get(aspect)->jobsDone(m_aspectManager);
     }
+
+    return jobQueue.size();
 }
 
 } // namespace Qt3DCore
diff --git a/src/core/qscheduler_p.h b/src/core/qscheduler_p.h
index 9b1685e54..dd4101ef2 100644
--- a/src/core/qscheduler_p.h
+++ b/src/core/qscheduler_p.h
@@ -64,13 +64,13 @@ class QScheduler : public QObject
 {
     Q_OBJECT
 public:
-    explicit QScheduler(QObject *parent = 0);
+    explicit QScheduler(QObject *parent = nullptr);
     ~QScheduler();
 
     void setAspectManager(QAspectManager *aspectManager);
     QAspectManager *aspectManager() const;
 
-    virtual void scheduleAndWaitForFrameAspectJobs(qint64 time);
+    virtual int scheduleAndWaitForFrameAspectJobs(qint64 time);
 
 private:
     QAspectManager *m_aspectManager;