Merge remote-tracking branch 'origin/5.9' into 5.10

Change-Id: I72fdfb9a20be2f819542243e888756818b03c28e

1 files changed, 8 insertions, 5 deletions

diff --git a/src/quick3d/quick3dscene2d/items/scene2d.cpp b/src/quick3d/quick3dscene2d/items/scene2d.cpp
index 67bb1a671..7e3334f00 100644
--- a/src/quick3d/quick3dscene2d/items/scene2d.cpp
+++ b/src/quick3d/quick3dscene2d/items/scene2d.cpp
@@ -123,7 +123,7 @@ Scene2D::Scene2D()
     , m_mouseEnabled(true)
     , m_renderPolicy(Qt3DRender::Quick::QScene2D::Continuous)
 {
-    renderThreadClientCount->fetchAndAddAcquire(1);
+
 }
 
 Scene2D::~Scene2D()
@@ -146,6 +146,8 @@ void Scene2D::initializeSharedObject()
             return;
         }
 
+        renderThreadClientCount->fetchAndAddAcquire(1);
+
         renderThread->setObjectName(QStringLiteral("Scene2D::renderThread"));
         m_renderThread = renderThread;
         m_sharedObject->m_renderThread = m_renderThread;
@@ -413,10 +415,11 @@ void Scene2D::cleanup()
         m_sharedObject->wake();
         m_sharedObject = nullptr;
     }
-
-    renderThreadClientCount->fetchAndSubAcquire(1);
-    if (renderThreadClientCount->load() == 0)
-        renderThread->quit();
+    if (m_renderThread) {
+        renderThreadClientCount->fetchAndSubAcquire(1);
+        if (renderThreadClientCount->load() == 0)
+            renderThread->quit();
+    }
 }