src/java.desktop/windows/classes/sun/java2d/opengl/WGLSurfaceData.java

*** 29,64 ****
--- 29,81 ----
  import java.awt.GraphicsConfiguration;
  import java.awt.GraphicsDevice;
  import java.awt.GraphicsEnvironment;
  import java.awt.Image;
  import java.awt.Rectangle;
+ import java.awt.geom.AffineTransform;
  import java.awt.image.ColorModel;
  import sun.awt.SunToolkit;
+ import sun.awt.Win32GraphicsDevice;
  import sun.awt.windows.WComponentPeer;
  import sun.java2d.SurfaceData;
  
  public abstract class WGLSurfaceData extends OGLSurfaceData {
  
      protected WComponentPeer peer;
      private WGLGraphicsConfig graphicsConfig;
+     protected double scaleX = 1;
+     protected double scaleY = 1;
  
      private native void initOps(long pConfigInfo, WComponentPeer peer,
                                  long hwnd);
  
      protected WGLSurfaceData(WComponentPeer peer, WGLGraphicsConfig gc,
                               ColorModel cm, int type)
      {
          super(gc, cm, type);
          this.peer = peer;
          this.graphicsConfig = gc;
+         Win32GraphicsDevice device = gc.getDevice();
+         this.scaleX = type == TEXTURE ? 1 : device.getDefaultScaleX();
+         this.scaleY = type == TEXTURE ? 1 : device.getDefaultScaleY();
  
          long pConfigInfo = gc.getNativeConfigInfo();
          long hwnd = peer != null ? peer.getHWnd() : 0L;
  
          initOps(pConfigInfo, peer, hwnd);
      }
  
+     @Override
+     public double getDefaultScaleX() {
+         return scaleX;
+     }
+ 
+     @Override
+     public double getDefaultScaleY() {
+         return scaleY;
+     }
+ 
      public GraphicsConfiguration getDeviceConfiguration() {
          return graphicsConfig;
      }
  
      /**
*** 146,155 ****
--- 163,174 ----
          }
  
          public Rectangle getBounds() {
              Rectangle r = peer.getBounds();
              r.x = r.y = 0;
+             r.width = (int) Math.ceil(r.width * scaleX);
+             r.height = (int) Math.ceil(r.height * scaleY);
              return r;
          }
  
          /**
           * Returns destination Component associated with this SurfaceData.
*** 206,229 ****
                                         Image image, ColorModel cm,
                                         int type)
          {
              super(peer, gc, cm, type);
  
!             this.width = width;
!             this.height = height;
              offscreenImage = image;
  
!             initSurface(width, height);
          }
  
          public SurfaceData getReplacement() {
              return restoreContents(offscreenImage);
          }
  
          public Rectangle getBounds() {
              if (type == FLIP_BACKBUFFER) {
                  Rectangle r = peer.getBounds();
                  r.x = r.y = 0;
                  return r;
              } else {
                  return new Rectangle(width, height);
              }
--- 225,250 ----
                                         Image image, ColorModel cm,
                                         int type)
          {
              super(peer, gc, cm, type);
  
!             this.width = (int) Math.ceil(width * scaleX);
!             this.height = (int) Math.ceil(height * scaleY);
              offscreenImage = image;
  
!             initSurface(this.width, this.height);
          }
  
          public SurfaceData getReplacement() {
              return restoreContents(offscreenImage);
          }
  
          public Rectangle getBounds() {
              if (type == FLIP_BACKBUFFER) {
                  Rectangle r = peer.getBounds();
+                 r.width = (int) Math.ceil(r.width * scaleX);
+                 r.height = (int) Math.ceil(r.height * scaleY);
                  r.x = r.y = 0;
                  return r;
              } else {
                  return new Rectangle(width, height);
              }