Mark QQuickFBO's node dirty after rendering the texture.

It is impossible to use in a shader effect otherwise.

Change-Id: I489e6ae43cdc3fe8f54efa6d86ead4d21831b84d
Task-number: QTBUG-40809
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/quick/items/qquickframebufferobject.cpp b/src/quick/items/qquickframebufferobject.cpp
index fea6aadc23..faa7eda327 100644
--- a/src/quick/items/qquickframebufferobject.cpp
+++ b/src/quick/items/qquickframebufferobject.cpp
@@ -192,6 +192,8 @@ public Q_SLOTS:
 
             if (msDisplayFbo)
                 QOpenGLFramebufferObject::blitFramebuffer(msDisplayFbo, fbo);
+
+            markDirty(QSGNode::DirtyMaterial);
         }
     }