QmlDesigner: Abort lights baking if no response from quick3d side

Fixes: QDS-9666
Change-Id: I8721e1076bda7113dca9afde9998548e232a2186
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>

src/plugins/qmldesigner/components/edit3d/bakelightsconnectionmanager.cpp

@@ -34,7 +34,7 @@ void BakeLightsConnectionManager::dispatchCommand(const QVariant &command,
             m_progressCallback(cmd.data().toString());
             break;
         case PuppetToCreatorCommand::BakeLightsAborted:
-            m_finishedCallback(tr("Baking aborted!"));
+            m_finishedCallback(tr("Baking aborted: %1").arg(cmd.data().toString()));
             break;
         case PuppetToCreatorCommand::BakeLightsFinished:
             m_finishedCallback(tr("Baking finished!"));

src/tools/qml2puppet/qml2puppet/instances/qt5bakelightsnodeinstanceserver.cpp

@@ -93,6 +93,7 @@ void Qt5BakeLightsNodeInstanceServer::bakeLights()
 
     QQuick3DLightmapBaker::Callback callback = [this](QQuick3DLightmapBaker::BakingStatus status,
             std::optional<QString> msg, QQuick3DLightmapBaker::BakingControl *) {
+        m_callbackReceived = true;
         switch (status) {
         case QQuick3DLightmapBaker::BakingStatus::Progress:
         case QQuick3DLightmapBaker::BakingStatus::Warning:
@@ -224,8 +225,11 @@ void Qt5BakeLightsNodeInstanceServer::render()
     } else {
         rootNodeInstance().updateDirtyNodeRecursive();
         renderWindow();
-        if (m_bakingStarted)
+        if (m_bakingStarted) {
             slowDownRenderTimer(); // No more renders needed
+            if (!m_callbackReceived)
+                abort(tr("No bakeable models detected."));
+        }
     }
 }
 #endif

src/tools/qml2puppet/qml2puppet/instances/qt5bakelightsnodeinstanceserver.h

@@ -45,6 +45,7 @@ private:
 
     QQuick3DViewport *m_view3D = nullptr;
     bool m_bakingStarted = false;
+    bool m_callbackReceived = false;
     int m_renderCount = 0;
     QProcess *m_denoiser = nullptr;
     QTemporaryDir m_workingDir;