Merge branch '5.3' into dev

Conflicts:
	src/quick/items/context2d/qquickcontext2d.cpp
	src/quick/items/context2d/qquickcontext2dtexture.cpp

Change-Id: I1a9b911b3a92333a5dddbaf43275f71bad2006f0

diff --cc src/qml/qml/qqmlcomponent.cpp
index 616f54d,b5af502..e087785
--- 1/src/qml/qml/qqmlcomponent.cpp
--- 2/src/qml/qml/qqmlcomponent.cpp
+++ b/src/qml/qml/qqmlcomponent.cpp
@@@ -1542,9 -1540,8 +1542,8 @@@ void QmlIncubatorObject::statusChanged(
          callData->args[0] = QV4::Primitive::fromUInt32(s);
          f->call(callData);
          if (scope.hasException()) {
-             ctx->catchException();
              QQmlError error = QV4::ExecutionEngine::catchExceptionAsQmlError(ctx);
 -            QQmlEnginePrivate::warning(QQmlEnginePrivate::get(v8->engine()), error);
 +            QQmlEnginePrivate::warning(QQmlEnginePrivate::get(d()->v8->engine()), error);
          }
      }
  }

diff --cc src/qml/types/qqmldelegatemodel.cpp
Simple merge

diff --cc src/quick/items/context2d/qquickcontext2d.cpp
index 4b70934,7964f65..57c7bd4
--- 1/src/quick/items/context2d/qquickcontext2d.cpp
--- 2/src/quick/items/context2d/qquickcontext2d.cpp
+++ b/src/quick/items/context2d/qquickcontext2d.cpp
@@@ -4024,13 -4084,8 +4024,15 @@@ public
      QOffscreenSurface *surface;
  };
  
 +class QQuickContext2DTextureCleanup : public QRunnable
 +{
 +public:
 +    QQuickContext2DTexture *texture;
 +    void run() Q_DECL_OVERRIDE { delete texture; }
 +};
 +
+ QMutex QQuickContext2D::mutex;
+ 
  QQuickContext2D::QQuickContext2D(QObject *parent)
      : QQuickCanvasContext(parent)
      , m_buffer(new QQuickContext2DCommandBuffer)
@@@ -4059,13 -4116,7 +4063,13 @@@ QQuickContext2D::~QQuickContext2D(
              cleaner->moveToThread(m_texture->thread());
              cleaner->deleteLater();
          } else {
 -            m_texture->deleteLater();
 +            if (m_canvas->window()) {
 +                QQuickContext2DTextureCleanup *c = new QQuickContext2DTextureCleanup;
 +                c->texture = m_texture;
 +                m_canvas->window()->scheduleRenderJob(c, QQuickWindow::AfterSynchronizingStage);
 +            } else {
-                 delete m_texture;
++                m_texture->deleteLater();
 +            }
          }
      } else {
          // Image based does not have GL resources, but must still be deleted

diff --cc src/quick/items/context2d/qquickcontext2dtexture.cpp
index 7e88e18,c8bea6f..17d4fea
--- 1/src/quick/items/context2d/qquickcontext2dtexture.cpp
--- 2/src/quick/items/context2d/qquickcontext2dtexture.cpp
+++ b/src/quick/items/context2d/qquickcontext2dtexture.cpp
@@@ -500,18 -501,18 +509,18 @@@ bool QQuickContext2DFBOTexture::doMulti
  void QQuickContext2DFBOTexture::grabImage(const QRectF& rf)
  {
      Q_ASSERT(rf.isValid());
-     if (!m_fbo) {
-         m_context->setGrabbedImage(QImage());
-         return;
-     }
- 
-     QImage grabbed;
-     {
-         GLAcquireContext ctx(m_context->glContext(), m_context->surface());
-         grabbed = m_fbo->toImage().scaled(m_fboSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation).mirrored().copy(rf.toRect());
+     QQuickContext2D::mutex.lock();
+     if (m_context) {
+         if (!m_fbo) {
+             m_context->setGrabbedImage(QImage());
+         } else {
+             QImage grabbed;
+             GLAcquireContext ctx(m_gl, m_surface);
 -            grabbed = m_fbo->toImage().mirrored().copy(rf.toRect());
++            grabbed = m_fbo->toImage().scaled(m_fboSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation).mirrored().copy(rf.toRect());
+             m_context->setGrabbedImage(grabbed);
+         }
      }
- 
-     m_context->setGrabbedImage(grabbed);
+     QQuickContext2D::mutex.unlock();
  }
  
  void QQuickContext2DFBOTexture::compositeTile(QQuickContext2DTile* tile)

diff --cc src/quick/items/context2d/qquickcontext2dtexture_p.h
Simple merge

diff --cc src/quick/items/qquickwindow.cpp
Simple merge

diff --cc tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
Simple merge