src/macosx/classes/sun/java2d/opengl/CGLLayer.java

*** 38,52 ****
  import java.awt.Transparency;
  
  public class CGLLayer extends CFRetainedResource {
  
      private native long nativeCreateLayer();
! 
      private static native void validate(long layerPtr, CGLSurfaceData cglsd);
      private static native void blitTexture(long layerPtr);
  
      private LWWindowPeer peer;
  
      private SurfaceData surfaceData; // represents intermediate buffer (texture)
  
      public CGLLayer(LWWindowPeer peer) {
          super(0, true);
--- 38,53 ----
  import java.awt.Transparency;
  
  public class CGLLayer extends CFRetainedResource {
  
      private native long nativeCreateLayer();
!     private static native void nativeSetScale(long layerPtr, double scale);
      private static native void validate(long layerPtr, CGLSurfaceData cglsd);
      private static native void blitTexture(long layerPtr);
  
      private LWWindowPeer peer;
+     private int scale = 1;
  
      private SurfaceData surfaceData; // represents intermediate buffer (texture)
  
      public CGLLayer(LWWindowPeer peer) {
          super(0, true);
*** 88,98 ****
  
          // the layer redirects all painting to the buffer's graphics
          // and blits the buffer to the layer surface (in drawInCGLContext callback)
          CGraphicsConfig gc = (CGraphicsConfig)peer.getGraphicsConfiguration();
          surfaceData = gc.createSurfaceData(this);
! 
          // the layer holds a reference to the buffer, which in
          // turn has a reference back to this layer
          if (surfaceData instanceof CGLSurfaceData) {
              validate((CGLSurfaceData)surfaceData);
          }
--- 89,99 ----
  
          // the layer redirects all painting to the buffer's graphics
          // and blits the buffer to the layer surface (in drawInCGLContext callback)
          CGraphicsConfig gc = (CGraphicsConfig)peer.getGraphicsConfiguration();
          surfaceData = gc.createSurfaceData(this);
!         setScale(gc.getDevice().getScaleFactor());
          // the layer holds a reference to the buffer, which in
          // turn has a reference back to this layer
          if (surfaceData instanceof CGLSurfaceData) {
              validate((CGLSurfaceData)surfaceData);
          }
*** 119,128 ****
--- 120,136 ----
          // break the connection between the layer and the buffer
          validate(null);
          super.dispose();
      }
  
+     private void setScale(final int _scale) {
+         if (scale != _scale) {
+             scale = _scale;
+             nativeSetScale(getPointer(), scale);
+         }
+     }
+ 
      // ----------------------------------------------------------------------
      // NATIVE CALLBACKS
      // ----------------------------------------------------------------------
  
      private void drawInCGLContext() {