--- old/modules/graphics/src/main/java/com/sun/scenario/effect/MotionBlur.java	2014-02-21 17:02:00.000000000 -0800
+++ new/modules/graphics/src/main/java/com/sun/scenario/effect/MotionBlur.java	2014-02-21 17:02:00.000000000 -0800
@@ -32,13 +32,14 @@
 import com.sun.javafx.geom.Rectangle;
 import com.sun.javafx.geom.transform.BaseTransform;
 import com.sun.scenario.effect.impl.Renderer;
+import com.sun.scenario.effect.impl.state.LinearConvolveKernel;
 import com.sun.scenario.effect.impl.state.MotionBlurState;
 
 /**
  * A motion blur effect using a Gaussian convolution kernel, with a
  * configurable radius and angle.
  */
-public class MotionBlur extends CoreEffect {
+public class MotionBlur extends LinearConvolveCoreEffect {
 
     private MotionBlurState state = new MotionBlurState();
 
@@ -89,7 +90,7 @@
     }
 
     @Override
-    Object getState() {
+    LinearConvolveKernel getState() {
         return state;
     }
 
@@ -140,7 +141,6 @@
      * allowable range
      */
     public void setRadius(float radius) {
-        float old = state.getRadius();
         state.setRadius(radius);
     }
 
@@ -165,7 +165,6 @@
      * @param angle the angle of the motion effect, in radians
      */
     public void setAngle(float angle) {
-        float old = state.getAngle();
         state.setAngle(angle);
     }
 
@@ -193,39 +192,6 @@
     }
 
     @Override
-    public ImageData filterImageDatas(FilterContext fctx,
-                                      BaseTransform transform,
-                                      Rectangle outputClip,
-                                      ImageData... inputs)
-    {
-        return state.filterImageDatas(this, fctx, transform, outputClip, inputs);
-    }
-
-    @Override
-    public boolean operatesInUserSpace() {
-        return true;
-    }
-
-    @Override
-    protected Rectangle getInputClip(int inputIndex,
-                                     BaseTransform transform,
-                                     Rectangle outputClip)
-    {
-        // A blur needs as much "fringe" data from its input as it creates
-        // around its output so we use the same expansion as is used in the
-        // result bounds.
-        if (outputClip != null) {
-            int hpad = state.getHPad();
-            int vpad = state.getVPad();
-            if ((hpad | vpad) != 0) {
-                outputClip = new Rectangle(outputClip);
-                outputClip.grow(hpad, vpad);
-            }
-        }
-        return outputClip;
-    }
-
-    @Override
     public boolean reducesOpaquePixels() {
         if (!state.isNop()) {
             return true;