1 files changed, 16 insertions, 1 deletions
diff --git a/src/effects/private/qgfxsourceproxy.cpp b/src/effects/private/qgfxsourceproxy.cpp
index 88e2780..cf64807 100644
--- a/src/effects/private/qgfxsourceproxy.cpp
+++ b/src/effects/private/qgfxsourceproxy.cpp
@@ -74,8 +74,18 @@ void QGfxSourceProxy::setInput(QQuickItem *input)
 {
     if (m_input == input)
         return;
+
+    if (m_input != nullptr)
+        disconnect(m_input, nullptr, this, nullptr);
     m_input = input;
     polish();
+    if (m_input != nullptr) {
+        if (QQuickImage *image = qobject_cast<QQuickImage *>(m_input)) {
+            connect(image, &QQuickImage::sourceSizeChanged, this, &QGfxSourceProxy::repolish);
+            connect(image, &QQuickImage::fillModeChanged, this, &QGfxSourceProxy::repolish);
+        }
+        connect(m_input, &QQuickItem::childrenChanged, this, &QGfxSourceProxy::repolish);
+    }
     emit inputChanged();
 }
 
@@ -117,6 +127,11 @@ void QGfxSourceProxy::useProxy()
     setOutput(m_proxy);
 }
 
+void QGfxSourceProxy::repolish()
+{
+    polish();
+}
+
 QObject *QGfxSourceProxy::findLayer(QQuickItem *item)
 {
     if (!item)
@@ -177,7 +192,7 @@ void QGfxSourceProxy::updatePolish()
             if (shaderSource->sourceRect() == m_sourceRect || m_sourceRect.isEmpty())
                 direct = true;
 
-        } else if (!padded && ((image && image->fillMode() == QQuickImage::Stretch)
+        } else if (!padded && ((image && image->fillMode() == QQuickImage::Stretch && !image->sourceSize().isNull())
                                 || (!image && m_input->isTextureProvider())
                               )
                   ) {