Fixed invalid texture error when unhiding QWaylandQuickItems.

When creating new scene-graph nodes (which is the case when re-parenting
items), no texture is attached to the node, leading to an abort due to an
invalid scene-graph.

Change-Id: I4cc1fd3cbce5f90362bc18b87a76b462d0d62377
Reviewed-by: Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/src/compositor/compositor_api/qwaylandquickitem.cpp b/src/compositor/compositor_api/qwaylandquickitem.cpp
index ab11ff4f8..f9cf45ff6 100644
--- a/src/compositor/compositor_api/qwaylandquickitem.cpp
+++ b/src/compositor/compositor_api/qwaylandquickitem.cpp
@@ -1051,8 +1051,10 @@ QSGNode *QWaylandQuickItem::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeDat
     if (ref.isShm() || bufferTypes[ref.bufferFormatEgl()].canProvideTexture) {
         QSGSimpleTextureNode *node = static_cast<QSGSimpleTextureNode *>(oldNode);
 
-        if (!node)
+        if (!node) {
             node = new QSGSimpleTextureNode();
+            d->newTexture = true;
+        }
 
         if (!d->provider)
             d->provider = new QWaylandSurfaceTextureProvider();
@@ -1072,8 +1074,10 @@ QSGNode *QWaylandQuickItem::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeDat
 
         QSGGeometryNode *node = static_cast<QSGGeometryNode *>(oldNode);
 
-        if (!node)
+        if (!node) {
             node = new QSGGeometryNode;
+            d->newTexture = true;
+        }
 
         QSGGeometry *geometry = node->geometry();
         QWaylandBufferMaterial *material = static_cast<QWaylandBufferMaterial *>(node->material());