3 files changed, 10 insertions, 7 deletions
diff --git a/src/quick3d/imports/scene3d/scene3ditem.cpp b/src/quick3d/imports/scene3d/scene3ditem.cpp
index c31f4aa97..ab832d463 100644
--- a/src/quick3d/imports/scene3d/scene3ditem.cpp
+++ b/src/quick3d/imports/scene3d/scene3ditem.cpp
@@ -223,11 +223,13 @@ void Scene3DItem::setWindowSurface(QObject *rootObject)
     }
 }
 
-void Scene3DItem::setItemArea(QSize area)
+void Scene3DItem::setItemAreaAndDevicePixelRatio(QSize area, qreal devicePixelRatio)
 {
     Qt3DRender::QRenderSurfaceSelector *surfaceSelector = Qt3DRender::QRenderSurfaceSelectorPrivate::find(m_entity);
-    if (surfaceSelector)
+    if (surfaceSelector) {
         surfaceSelector->setExternalRenderTargetSize(area);
+        surfaceSelector->setSurfacePixelRatio(devicePixelRatio);
+    }
 }
 
 bool Scene3DItem::isHoverEnabled() const
diff --git a/src/quick3d/imports/scene3d/scene3ditem_p.h b/src/quick3d/imports/scene3d/scene3ditem_p.h
index e0ce3addc..37d7cbcc2 100644
--- a/src/quick3d/imports/scene3d/scene3ditem_p.h
+++ b/src/quick3d/imports/scene3d/scene3ditem_p.h
@@ -88,7 +88,7 @@ public:
 
     bool multisample() const;
     void setMultisample(bool enable);
-    Q_INVOKABLE void setItemArea(QSize area);
+    Q_INVOKABLE void setItemAreaAndDevicePixelRatio(QSize area, qreal devicePixelRatio);
     bool isHoverEnabled() const;
 
     enum CameraAspectRatioMode {
diff --git a/src/quick3d/imports/scene3d/scene3drenderer.cpp b/src/quick3d/imports/scene3d/scene3drenderer.cpp
index 26e966f76..23aaf9ed0 100644
--- a/src/quick3d/imports/scene3d/scene3drenderer.cpp
+++ b/src/quick3d/imports/scene3d/scene3drenderer.cpp
@@ -59,9 +59,9 @@ namespace Qt3DRender {
 
 namespace {
 
-inline QMetaMethod setItemAreaMethod()
+inline QMetaMethod setItemAreaAndDevicePixelRatioMethod()
 {
-    const int idx = Scene3DItem::staticMetaObject.indexOfMethod("setItemArea(QSize)");
+    const int idx = Scene3DItem::staticMetaObject.indexOfMethod("setItemAreaAndDevicePixelRatio(QSize,qreal)");
     Q_ASSERT(idx != -1);
     return Scene3DItem::staticMetaObject.method(idx);
 }
@@ -267,8 +267,9 @@ void Scene3DRenderer::render()
 
     if (sizeHasChanged) {
         // We are in the QSGRenderThread (doing a direct call would result in a race)
-        static const QMetaMethod setItemArea = setItemAreaMethod();
-        setItemArea.invoke(m_item, Qt::QueuedConnection, Q_ARG(QSize, boundingRectSize));
+        static const QMetaMethod setItemAreaAndDevicePixelRatio = setItemAreaAndDevicePixelRatioMethod();
+        setItemAreaAndDevicePixelRatio.invoke(m_item, Qt::QueuedConnection, Q_ARG(QSize, boundingRectSize),
+                                              Q_ARG(qreal, window->effectiveDevicePixelRatio()));
     }
 
     // Rebuild FBO and textures if never created or a resize has occurred