1 files changed, 6 insertions, 0 deletions
diff --git a/src/effects/shadereffectitem.cpp b/src/effects/shadereffectitem.cpp
index e19602e..de5bd83 100644
--- a/src/effects/shadereffectitem.cpp
+++ b/src/effects/shadereffectitem.cpp
@@ -501,6 +501,12 @@ void ShaderEffectSource::update()
     m_dirtyTexture = false;
 }
 
+void ShaderEffectSource::grab()
+{
+    m_dirtyTexture = true;
+    emit repaintRequired();
+}
+
 void ShaderEffectSource::markSceneGraphDirty()
 {
     m_dirtySceneGraph = true;