2 files changed, 3 insertions, 1 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoabackingstore.h b/src/plugins/platforms/cocoa/qcocoabackingstore.h
index ebbf9d1609..6db88f923c 100644
--- a/src/plugins/platforms/cocoa/qcocoabackingstore.h
+++ b/src/plugins/platforms/cocoa/qcocoabackingstore.h
@@ -40,6 +40,7 @@ public:
     void flush(QWindow *, const QRegion &, const QPoint &) override;
 
     FlushResult rhiFlush(QWindow *window,
+                         qreal sourceDevicePixelRatio,
                          const QRegion &region,
                          const QPoint &offset,
                          QPlatformTextureList *textures,
diff --git a/src/plugins/platforms/cocoa/qcocoabackingstore.mm b/src/plugins/platforms/cocoa/qcocoabackingstore.mm
index 21e4d88e73..5d8bd2b7bb 100644
--- a/src/plugins/platforms/cocoa/qcocoabackingstore.mm
+++ b/src/plugins/platforms/cocoa/qcocoabackingstore.mm
@@ -395,6 +395,7 @@ void QCALayerBackingStore::windowDestroyed(QObject *object)
 }
 
 QPlatformBackingStore::FlushResult QCALayerBackingStore::rhiFlush(QWindow *window,
+                                                                  qreal sourceDevicePixelRatio,
                                                                   const QRegion &region,
                                                                   const QPoint &offset,
                                                                   QPlatformTextureList *textures,
@@ -407,7 +408,7 @@ QPlatformBackingStore::FlushResult QCALayerBackingStore::rhiFlush(QWindow *windo
 
     finalizeBackBuffer();
 
-    return QPlatformBackingStore::rhiFlush(window, region, offset, textures, translucentBackground);
+    return QPlatformBackingStore::rhiFlush(window, sourceDevicePixelRatio, region, offset, textures, translucentBackground);
 }
 
 QImage QCALayerBackingStore::toImage() const