modules/swing/src/main/java/javafx/embed/swing/JFXPanel.java

*** 710,720 ****
                  newScaleFactor = getDefaultScale(((SunGraphics2D)g).surfaceData);
              }
              if (scaleFactor != newScaleFactor) {
                  createResizePixelBuffer(newScaleFactor);
                  // The scene will request repaint.
!                 scenePeer.setPixelScaleFactor(newScaleFactor);
                  scaleFactor = newScaleFactor;
              }
          } catch (Throwable th) {
              th.printStackTrace();
          } finally {
--- 710,720 ----
                  newScaleFactor = getDefaultScale(((SunGraphics2D)g).surfaceData);
              }
              if (scaleFactor != newScaleFactor) {
                  createResizePixelBuffer(newScaleFactor);
                  // The scene will request repaint.
!                 scenePeer.setPixelScaleFactors(newScaleFactor, newScaleFactor);
                  scaleFactor = newScaleFactor;
              }
          } catch (Throwable th) {
              th.printStackTrace();
          } finally {
*** 904,914 ****
                  return;
              }
              if (pWidth > 0 && pHeight > 0) {
                  scenePeer.setSize(pWidth, pHeight);
              }
!             scenePeer.setPixelScaleFactor(scaleFactor);
  
              invokeOnClientEDT(() -> {
                  dnd = new SwingDnD(JFXPanel.this, scenePeer);
                  dnd.addNotify();
                  if (scenePeer != null) {
--- 904,914 ----
                  return;
              }
              if (pWidth > 0 && pHeight > 0) {
                  scenePeer.setSize(pWidth, pHeight);
              }
!             scenePeer.setPixelScaleFactors(scaleFactor, scaleFactor);
  
              invokeOnClientEDT(() -> {
                  dnd = new SwingDnD(JFXPanel.this, scenePeer);
                  dnd.addNotify();
                  if (scenePeer != null) {