DisplayList overhaul

Change-Id: I53418d580c98f706e971545cff81b9921c12cc5f
diff --git a/core/java/android/view/DisplayList.java b/core/java/android/view/DisplayList.java
index dfc74ea..3060e6e 100644
--- a/core/java/android/view/DisplayList.java
+++ b/core/java/android/view/DisplayList.java
@@ -19,8 +19,6 @@
 import android.graphics.Matrix;
 import android.graphics.Path;
 
-import java.util.ArrayList;
-
 /**
  * <p>A display list records a series of graphics related operations and can replay
  * them later. Display lists are usually built by recording operations on a
@@ -124,18 +122,8 @@
  * @hide
  */
 public class DisplayList {
-    private boolean mDirty;
-    private ArrayList<DisplayList> mChildDisplayLists;
-
-    private GLES20RecordingCanvas mCanvas;
     private boolean mValid;
-
-    // Used for debugging
-    private final String mName;
-
-    // The native display list will be destroyed when this object dies.
-    // DO NOT overwrite this reference once it is set.
-    private DisplayListFinalizer mFinalizer;
+    private final long mNativeDisplayList;
 
     /**
      * Flag used when calling
@@ -188,7 +176,8 @@
     public static final int STATUS_DREW = 0x4;
 
     private DisplayList(String name) {
-        mName = name;
+        mNativeDisplayList = nCreate();
+        nSetDisplayListName(mNativeDisplayList, name);
     }
 
     /**
@@ -221,19 +210,11 @@
      * @see #isValid()
      */
     public HardwareCanvas start(int width, int height) {
-        if (mCanvas != null) {
-            throw new IllegalStateException("Recording has already started");
-        }
-
-        mValid = false;
-        mCanvas = GLES20RecordingCanvas.obtain(this);
-        mCanvas.start();
-
-        mCanvas.setViewport(width, height);
+        HardwareCanvas canvas = GLES20RecordingCanvas.obtain();
+        canvas.setViewport(width, height);
         // The dirty rect should always be null for a display list
-        mCanvas.onPreDraw(null);
-
-        return mCanvas;
+        canvas.onPreDraw(null);
+        return canvas;
     }
 
     /**
@@ -244,47 +225,27 @@
      * @see #start(int, int)
      * @see #isValid()
      */
-    public void end() {
-        if (mCanvas != null) {
-            mCanvas.onPostDraw();
-            if (mFinalizer != null) {
-                mCanvas.end(mFinalizer.mNativeDisplayList);
-            } else {
-                mFinalizer = new DisplayListFinalizer(mCanvas.end(0));
-                nSetDisplayListName(mFinalizer.mNativeDisplayList, mName);
-            }
-            mCanvas.recycle();
-            mCanvas = null;
-            mValid = true;
+    public void end(HardwareRenderer renderer, HardwareCanvas endCanvas) {
+        if (!(endCanvas instanceof GLES20RecordingCanvas)) {
+            throw new IllegalArgumentException("Passed an invalid canvas to end!");
         }
+
+        GLES20RecordingCanvas canvas = (GLES20RecordingCanvas) endCanvas;
+        canvas.onPostDraw();
+        long displayListData = canvas.finishRecording();
+        renderer.swapDisplayListData(mNativeDisplayList, displayListData);
+        canvas.recycle();
+        mValid = true;
     }
 
     /**
-     * Clears resources held onto by this display list. After calling this method
-     * {@link #isValid()} will return false.
-     *
-     * @see #isValid()
-     * @see #reset()
-     */
-    public void clear() {
-        clearDirty();
-
-        if (mCanvas != null) {
-            mCanvas.recycle();
-            mCanvas = null;
-        }
+    * After calling this method {@link #isValid()} will return false.
+    * TODO: Have Editor stop using this
+    *
+    * @see #isValid()
+    */
+    public void markInvalid() {
         mValid = false;
-
-        clearReferences();
-    }
-
-    void clearReferences() {
-        if (mChildDisplayLists != null) mChildDisplayLists.clear();
-    }
-
-    ArrayList<DisplayList> getChildDisplayLists() {
-        if (mChildDisplayLists == null) mChildDisplayLists = new ArrayList<DisplayList>();
-        return mChildDisplayLists;
     }
 
     /**
@@ -292,53 +253,14 @@
      * during destruction of hardware resources, to ensure that we do not hold onto
      * obsolete resources after related resources are gone.
      *
-     * @see #clear()
-     *
      * @hide
      */
-    public void reset() {
-        if (hasNativeDisplayList()) {
-            nReset(mFinalizer.mNativeDisplayList);
+    public void destroyDisplayListData(HardwareRenderer renderer) {
+        if (renderer == null) {
+            throw new IllegalArgumentException("Cannot destroyDisplayListData with a null renderer");
         }
-        clear();
-    }
-
-    /**
-     * Sets the dirty flag. When a display list is dirty, {@link #clear()} should
-     * be invoked whenever possible.
-     *
-     * @see #isDirty()
-     * @see #clear()
-     *
-     * @hide
-     */
-    public void markDirty() {
-        mDirty = true;
-    }
-
-    /**
-     * Removes the dirty flag. This method can be used to cancel a cleanup
-     * previously scheduled by setting the dirty flag.
-     *
-     * @see #isDirty()
-     * @see #clear()
-     *
-     * @hide
-     */
-    protected void clearDirty() {
-        mDirty = false;
-    }
-
-    /**
-     * Indicates whether the display list is dirty.
-     *
-     * @see #markDirty()
-     * @see #clear()
-     *
-     * @hide
-     */
-    public boolean isDirty() {
-        return mDirty;
+        renderer.swapDisplayListData(mNativeDisplayList, 0);
+        mValid = false;
     }
 
     /**
@@ -349,27 +271,11 @@
      */
     public boolean isValid() { return mValid; }
 
-    /**
-     * Return the amount of memory used by this display list.
-     *
-     * @return The size of this display list in bytes
-     *
-     * @hide
-     */
-    public int getSize() {
-        if (mFinalizer == null) return 0;
-        return nGetDisplayListSize(mFinalizer.mNativeDisplayList);
-    }
-
-    boolean hasNativeDisplayList() {
-        return mValid && mFinalizer != null;
-    }
-
     long getNativeDisplayList() {
-        if (!mValid || mFinalizer == null) {
+        if (!mValid) {
             throw new IllegalStateException("The display list is not valid.");
         }
-        return mFinalizer.mNativeDisplayList;
+        return mNativeDisplayList;
     }
 
     ///////////////////////////////////////////////////////////////////////////
@@ -386,9 +292,7 @@
      * @hide
      */
     public void setCaching(boolean caching) {
-        if (hasNativeDisplayList()) {
-            nSetCaching(mFinalizer.mNativeDisplayList, caching);
-        }
+        nSetCaching(mNativeDisplayList, caching);
     }
 
     /**
@@ -398,9 +302,7 @@
      * @param clipToBounds true if the display list should clip to its bounds
      */
     public void setClipToBounds(boolean clipToBounds) {
-        if (hasNativeDisplayList()) {
-            nSetClipToBounds(mFinalizer.mNativeDisplayList, clipToBounds);
-        }
+        nSetClipToBounds(mNativeDisplayList, clipToBounds);
     }
 
     /**
@@ -410,9 +312,7 @@
      * @param isolatedZVolume true if the display list should collect and Z order descendents.
      */
     public void setIsolatedZVolume(boolean isolatedZVolume) {
-        if (hasNativeDisplayList()) {
-            nSetIsolatedZVolume(mFinalizer.mNativeDisplayList, isolatedZVolume);
-        }
+        nSetIsolatedZVolume(mNativeDisplayList, isolatedZVolume);
     }
 
     /**
@@ -425,9 +325,7 @@
      *            containing volume.
      */
     public void setProjectBackwards(boolean shouldProject) {
-        if (hasNativeDisplayList()) {
-            nSetProjectBackwards(mFinalizer.mNativeDisplayList, shouldProject);
-        }
+        nSetProjectBackwards(mNativeDisplayList, shouldProject);
     }
 
     /**
@@ -436,9 +334,7 @@
      * ProjectBackwards=true directly on top of it. Default value is false.
      */
     public void setProjectionReceiver(boolean shouldRecieve) {
-        if (hasNativeDisplayList()) {
-            nSetProjectionReceiver(mFinalizer.mNativeDisplayList, shouldRecieve);
-        }
+        nSetProjectionReceiver(mNativeDisplayList, shouldRecieve);
     }
 
     /**
@@ -450,10 +346,8 @@
      * @param outline Convex, CW Path to store in the DisplayList. May be null.
      */
     public void setOutline(Path outline) {
-        if (hasNativeDisplayList()) {
-            long nativePath = (outline == null) ? 0 : outline.mNativePath;
-            nSetOutline(mFinalizer.mNativeDisplayList, nativePath);
-        }
+        long nativePath = (outline == null) ? 0 : outline.mNativePath;
+        nSetOutline(mNativeDisplayList, nativePath);
     }
 
     /**
@@ -462,9 +356,7 @@
      * @param clipToOutline true if clipping to the outline.
      */
     public void setClipToOutline(boolean clipToOutline) {
-        if (hasNativeDisplayList()) {
-            nSetClipToOutline(mFinalizer.mNativeDisplayList, clipToOutline);
-        }
+        nSetClipToOutline(mNativeDisplayList, clipToOutline);
     }
 
     /**
@@ -474,9 +366,7 @@
      * and non-empty, otherwise it will be the bounds rect.
      */
     public void setCastsShadow(boolean castsShadow) {
-        if (hasNativeDisplayList()) {
-            nSetCastsShadow(mFinalizer.mNativeDisplayList, castsShadow);
-        }
+        nSetCastsShadow(mNativeDisplayList, castsShadow);
     }
 
     /**
@@ -485,9 +375,7 @@
      * If set to true, camera distance will be ignored. Defaults to false.
      */
     public void setUsesGlobalCamera(boolean usesGlobalCamera) {
-        if (hasNativeDisplayList()) {
-            nSetUsesGlobalCamera(mFinalizer.mNativeDisplayList, usesGlobalCamera);
-        }
+        nSetUsesGlobalCamera(mNativeDisplayList, usesGlobalCamera);
     }
 
     /**
@@ -499,41 +387,8 @@
      * @see #getMatrix(android.graphics.Matrix)
      * @see #getMatrix()
      */
-    public void setMatrix(Matrix matrix) {
-        if (hasNativeDisplayList()) {
-            nSetStaticMatrix(mFinalizer.mNativeDisplayList, matrix.native_instance);
-        }
-    }
-
-    /**
-     * Returns the static matrix set on this display list.
-     *
-     * @return A new {@link Matrix} instance populated with this display list's static
-     *         matrix
-     *
-     * @see #getMatrix(android.graphics.Matrix)
-     * @see #setMatrix(android.graphics.Matrix)
-     */
-    public Matrix getMatrix() {
-        return getMatrix(new Matrix());
-    }
-
-    /**
-     * Copies this display list's static matrix into the specified matrix.
-     *
-     * @param matrix The {@link Matrix} instance in which to copy this display
-     *               list's static matrix. Cannot be null
-     *
-     * @return The <code>matrix</code> parameter, for convenience
-     *
-     * @see #getMatrix()
-     * @see #setMatrix(android.graphics.Matrix)
-     */
-    public Matrix getMatrix(Matrix matrix) {
-        if (hasNativeDisplayList()) {
-            nGetMatrix(mFinalizer.mNativeDisplayList, matrix.native_instance);
-        }
-        return matrix;
+    public void setStaticMatrix(Matrix matrix) {
+        nSetStaticMatrix(mNativeDisplayList, matrix.native_instance);
     }
 
     /**
@@ -547,10 +402,8 @@
      * @hide
      */
     public void setAnimationMatrix(Matrix matrix) {
-        if (hasNativeDisplayList()) {
-            nSetAnimationMatrix(mFinalizer.mNativeDisplayList,
-                    (matrix != null) ? matrix.native_instance : 0);
-        }
+        nSetAnimationMatrix(mNativeDisplayList,
+                (matrix != null) ? matrix.native_instance : 0);
     }
 
     /**
@@ -562,9 +415,7 @@
      * @see #getAlpha()
      */
     public void setAlpha(float alpha) {
-        if (hasNativeDisplayList()) {
-            nSetAlpha(mFinalizer.mNativeDisplayList, alpha);
-        }
+        nSetAlpha(mNativeDisplayList, alpha);
     }
 
     /**
@@ -575,10 +426,7 @@
      * @see #setAlpha(float)
      */
     public float getAlpha() {
-        if (hasNativeDisplayList()) {
-            return nGetAlpha(mFinalizer.mNativeDisplayList);
-        }
-        return 1.0f;
+        return nGetAlpha(mNativeDisplayList);
     }
 
     /**
@@ -593,9 +441,7 @@
      * @see #hasOverlappingRendering()
      */
     public void setHasOverlappingRendering(boolean hasOverlappingRendering) {
-        if (hasNativeDisplayList()) {
-            nSetHasOverlappingRendering(mFinalizer.mNativeDisplayList, hasOverlappingRendering);
-        }
+        nSetHasOverlappingRendering(mNativeDisplayList, hasOverlappingRendering);
     }
 
     /**
@@ -607,10 +453,7 @@
      */
     public boolean hasOverlappingRendering() {
         //noinspection SimplifiableIfStatement
-        if (hasNativeDisplayList()) {
-            return nHasOverlappingRendering(mFinalizer.mNativeDisplayList);
-        }
-        return true;
+        return nHasOverlappingRendering(mNativeDisplayList);
     }
 
     /**
@@ -622,9 +465,7 @@
      * @see #getTranslationX()
      */
     public void setTranslationX(float translationX) {
-        if (hasNativeDisplayList()) {
-            nSetTranslationX(mFinalizer.mNativeDisplayList, translationX);
-        }
+        nSetTranslationX(mNativeDisplayList, translationX);
     }
 
     /**
@@ -633,10 +474,7 @@
      * @see #setTranslationX(float)
      */
     public float getTranslationX() {
-        if (hasNativeDisplayList()) {
-            return nGetTranslationX(mFinalizer.mNativeDisplayList);
-        }
-        return 0.0f;
+        return nGetTranslationX(mNativeDisplayList);
     }
 
     /**
@@ -648,9 +486,7 @@
      * @see #getTranslationY()
      */
     public void setTranslationY(float translationY) {
-        if (hasNativeDisplayList()) {
-            nSetTranslationY(mFinalizer.mNativeDisplayList, translationY);
-        }
+        nSetTranslationY(mNativeDisplayList, translationY);
     }
 
     /**
@@ -659,10 +495,7 @@
      * @see #setTranslationY(float)
      */
     public float getTranslationY() {
-        if (hasNativeDisplayList()) {
-            return nGetTranslationY(mFinalizer.mNativeDisplayList);
-        }
-        return 0.0f;
+        return nGetTranslationY(mNativeDisplayList);
     }
 
     /**
@@ -672,9 +505,7 @@
      * @see #getTranslationZ()
      */
     public void setTranslationZ(float translationZ) {
-        if (hasNativeDisplayList()) {
-            nSetTranslationZ(mFinalizer.mNativeDisplayList, translationZ);
-        }
+        nSetTranslationZ(mNativeDisplayList, translationZ);
     }
 
     /**
@@ -683,10 +514,7 @@
      * @see #setTranslationZ(float)
      */
     public float getTranslationZ() {
-        if (hasNativeDisplayList()) {
-            return nGetTranslationZ(mFinalizer.mNativeDisplayList);
-        }
-        return 0.0f;
+        return nGetTranslationZ(mNativeDisplayList);
     }
 
     /**
@@ -698,9 +526,7 @@
      * @see #getRotation()
      */
     public void setRotation(float rotation) {
-        if (hasNativeDisplayList()) {
-            nSetRotation(mFinalizer.mNativeDisplayList, rotation);
-        }
+        nSetRotation(mNativeDisplayList, rotation);
     }
 
     /**
@@ -709,10 +535,7 @@
      * @see #setRotation(float)
      */
     public float getRotation() {
-        if (hasNativeDisplayList()) {
-            return nGetRotation(mFinalizer.mNativeDisplayList);
-        }
-        return 0.0f;
+        return nGetRotation(mNativeDisplayList);
     }
 
     /**
@@ -724,9 +547,7 @@
      * @see #getRotationX()
      */
     public void setRotationX(float rotationX) {
-        if (hasNativeDisplayList()) {
-            nSetRotationX(mFinalizer.mNativeDisplayList, rotationX);
-        }
+        nSetRotationX(mNativeDisplayList, rotationX);
     }
 
     /**
@@ -735,10 +556,7 @@
      * @see #setRotationX(float)
      */
     public float getRotationX() {
-        if (hasNativeDisplayList()) {
-            return nGetRotationX(mFinalizer.mNativeDisplayList);
-        }
-        return 0.0f;
+        return nGetRotationX(mNativeDisplayList);
     }
 
     /**
@@ -750,9 +568,7 @@
      * @see #getRotationY()
      */
     public void setRotationY(float rotationY) {
-        if (hasNativeDisplayList()) {
-            nSetRotationY(mFinalizer.mNativeDisplayList, rotationY);
-        }
+        nSetRotationY(mNativeDisplayList, rotationY);
     }
 
     /**
@@ -761,10 +577,7 @@
      * @see #setRotationY(float)
      */
     public float getRotationY() {
-        if (hasNativeDisplayList()) {
-            return nGetRotationY(mFinalizer.mNativeDisplayList);
-        }
-        return 0.0f;
+        return nGetRotationY(mNativeDisplayList);
     }
 
     /**
@@ -776,9 +589,7 @@
      * @see #getScaleX()
      */
     public void setScaleX(float scaleX) {
-        if (hasNativeDisplayList()) {
-            nSetScaleX(mFinalizer.mNativeDisplayList, scaleX);
-        }
+        nSetScaleX(mNativeDisplayList, scaleX);
     }
 
     /**
@@ -787,10 +598,7 @@
      * @see #setScaleX(float)
      */
     public float getScaleX() {
-        if (hasNativeDisplayList()) {
-            return nGetScaleX(mFinalizer.mNativeDisplayList);
-        }
-        return 1.0f;
+        return nGetScaleX(mNativeDisplayList);
     }
 
     /**
@@ -802,9 +610,7 @@
      * @see #getScaleY()
      */
     public void setScaleY(float scaleY) {
-        if (hasNativeDisplayList()) {
-            nSetScaleY(mFinalizer.mNativeDisplayList, scaleY);
-        }
+        nSetScaleY(mNativeDisplayList, scaleY);
     }
 
     /**
@@ -813,10 +619,7 @@
      * @see #setScaleY(float)
      */
     public float getScaleY() {
-        if (hasNativeDisplayList()) {
-            return nGetScaleY(mFinalizer.mNativeDisplayList);
-        }
-        return 1.0f;
+        return nGetScaleY(mNativeDisplayList);
     }
 
     /**
@@ -836,11 +639,9 @@
     public void setTransformationInfo(float alpha,
             float translationX, float translationY, float translationZ,
             float rotation, float rotationX, float rotationY, float scaleX, float scaleY) {
-        if (hasNativeDisplayList()) {
-            nSetTransformationInfo(mFinalizer.mNativeDisplayList, alpha,
-                    translationX, translationY, translationZ,
-                    rotation, rotationX, rotationY, scaleX, scaleY);
-        }
+        nSetTransformationInfo(mNativeDisplayList, alpha,
+                translationX, translationY, translationZ,
+                rotation, rotationX, rotationY, scaleX, scaleY);
     }
 
     /**
@@ -852,9 +653,7 @@
      * @see #getPivotX()
      */
     public void setPivotX(float pivotX) {
-        if (hasNativeDisplayList()) {
-            nSetPivotX(mFinalizer.mNativeDisplayList, pivotX);
-        }
+        nSetPivotX(mNativeDisplayList, pivotX);
     }
 
     /**
@@ -863,10 +662,7 @@
      * @see #setPivotX(float)
      */
     public float getPivotX() {
-        if (hasNativeDisplayList()) {
-            return nGetPivotX(mFinalizer.mNativeDisplayList);
-        }
-        return 0.0f;
+        return nGetPivotX(mNativeDisplayList);
     }
 
     /**
@@ -878,9 +674,7 @@
      * @see #getPivotY()
      */
     public void setPivotY(float pivotY) {
-        if (hasNativeDisplayList()) {
-            nSetPivotY(mFinalizer.mNativeDisplayList, pivotY);
-        }
+        nSetPivotY(mNativeDisplayList, pivotY);
     }
 
     /**
@@ -889,10 +683,7 @@
      * @see #setPivotY(float)
      */
     public float getPivotY() {
-        if (hasNativeDisplayList()) {
-            return nGetPivotY(mFinalizer.mNativeDisplayList);
-        }
-        return 0.0f;
+        return nGetPivotY(mNativeDisplayList);
     }
 
     /**
@@ -906,9 +697,7 @@
      * @see #getCameraDistance()
      */
     public void setCameraDistance(float distance) {
-        if (hasNativeDisplayList()) {
-            nSetCameraDistance(mFinalizer.mNativeDisplayList, distance);
-        }
+        nSetCameraDistance(mNativeDisplayList, distance);
     }
 
     /**
@@ -917,10 +706,7 @@
      * @see #setCameraDistance(float)
      */
     public float getCameraDistance() {
-        if (hasNativeDisplayList()) {
-            return nGetCameraDistance(mFinalizer.mNativeDisplayList);
-        }
-        return 0.0f;
+        return nGetCameraDistance(mNativeDisplayList);
     }
 
     /**
@@ -932,9 +718,7 @@
      * @see #getLeft()
      */
     public void setLeft(int left) {
-        if (hasNativeDisplayList()) {
-            nSetLeft(mFinalizer.mNativeDisplayList, left);
-        }
+        nSetLeft(mNativeDisplayList, left);
     }
 
     /**
@@ -943,10 +727,7 @@
      * @see #setLeft(int)
      */
     public float getLeft() {
-        if (hasNativeDisplayList()) {
-            return nGetLeft(mFinalizer.mNativeDisplayList);
-        }
-        return 0.0f;
+        return nGetLeft(mNativeDisplayList);
     }
 
     /**
@@ -958,9 +739,7 @@
      * @see #getTop()
      */
     public void setTop(int top) {
-        if (hasNativeDisplayList()) {
-            nSetTop(mFinalizer.mNativeDisplayList, top);
-        }
+        nSetTop(mNativeDisplayList, top);
     }
 
     /**
@@ -969,10 +748,7 @@
      * @see #setTop(int)
      */
     public float getTop() {
-        if (hasNativeDisplayList()) {
-            return nGetTop(mFinalizer.mNativeDisplayList);
-        }
-        return 0.0f;
+        return nGetTop(mNativeDisplayList);
     }
 
     /**
@@ -984,9 +760,7 @@
      * @see #getRight()
      */
     public void setRight(int right) {
-        if (hasNativeDisplayList()) {
-            nSetRight(mFinalizer.mNativeDisplayList, right);
-        }
+        nSetRight(mNativeDisplayList, right);
     }
 
     /**
@@ -995,10 +769,7 @@
      * @see #setRight(int)
      */
     public float getRight() {
-        if (hasNativeDisplayList()) {
-            return nGetRight(mFinalizer.mNativeDisplayList);
-        }
-        return 0.0f;
+        return nGetRight(mNativeDisplayList);
     }
 
     /**
@@ -1010,9 +781,7 @@
      * @see #getBottom()
      */
     public void setBottom(int bottom) {
-        if (hasNativeDisplayList()) {
-            nSetBottom(mFinalizer.mNativeDisplayList, bottom);
-        }
+        nSetBottom(mNativeDisplayList, bottom);
     }
 
     /**
@@ -1021,10 +790,7 @@
      * @see #setBottom(int)
      */
     public float getBottom() {
-        if (hasNativeDisplayList()) {
-            return nGetBottom(mFinalizer.mNativeDisplayList);
-        }
-        return 0.0f;
+        return nGetBottom(mNativeDisplayList);
     }
 
     /**
@@ -1041,9 +807,7 @@
      * @see View#setBottom(int)
      */
     public void setLeftTopRightBottom(int left, int top, int right, int bottom) {
-        if (hasNativeDisplayList()) {
-            nSetLeftTopRightBottom(mFinalizer.mNativeDisplayList, left, top, right, bottom);
-        }
+        nSetLeftTopRightBottom(mNativeDisplayList, left, top, right, bottom);
     }
 
     /**
@@ -1055,9 +819,7 @@
      * @see View#offsetLeftAndRight(int)
      */
     public void offsetLeftAndRight(float offset) {
-        if (hasNativeDisplayList()) {
-            nOffsetLeftAndRight(mFinalizer.mNativeDisplayList, offset);
-        }
+        nOffsetLeftAndRight(mNativeDisplayList, offset);
     }
 
     /**
@@ -1069,9 +831,7 @@
      * @see View#offsetTopAndBottom(int)
      */
     public void offsetTopAndBottom(float offset) {
-        if (hasNativeDisplayList()) {
-            nOffsetTopAndBottom(mFinalizer.mNativeDisplayList, offset);
-        }
+        nOffsetTopAndBottom(mNativeDisplayList, offset);
     }
 
     /**
@@ -1081,22 +841,19 @@
      * @hide
      */
     public void output() {
-        if (hasNativeDisplayList()) {
-            nOutput(mFinalizer.mNativeDisplayList);
-        }
+        nOutput(mNativeDisplayList);
     }
 
     ///////////////////////////////////////////////////////////////////////////
     // Native methods
     ///////////////////////////////////////////////////////////////////////////
 
+    private static native long nCreate();
     private static native void nDestroyDisplayList(long displayList);
-    private static native int nGetDisplayListSize(long displayList);
     private static native void nSetDisplayListName(long displayList, String name);
 
     // Properties
 
-    private static native void nReset(long displayList);
     private static native void nOffsetTopAndBottom(long displayList, float offset);
     private static native void nOffsetLeftAndRight(long displayList, float offset);
     private static native void nSetLeftTopRightBottom(long displayList, int left, int top,
@@ -1135,7 +892,6 @@
     private static native void nSetAnimationMatrix(long displayList, long animationMatrix);
 
     private static native boolean nHasOverlappingRendering(long displayList);
-    private static native void nGetMatrix(long displayList, long matrix);
     private static native float nGetAlpha(long displayList);
     private static native float nGetLeft(long displayList);
     private static native float nGetTop(long displayList);
@@ -1158,20 +914,12 @@
     // Finalization
     ///////////////////////////////////////////////////////////////////////////
 
-    private static class DisplayListFinalizer {
-        final long mNativeDisplayList;
-
-        public DisplayListFinalizer(long nativeDisplayList) {
-            mNativeDisplayList = nativeDisplayList;
-        }
-
-        @Override
-        protected void finalize() throws Throwable {
-            try {
-                nDestroyDisplayList(mNativeDisplayList);
-            } finally {
-                super.finalize();
-            }
+    @Override
+    protected void finalize() throws Throwable {
+        try {
+            nDestroyDisplayList(mNativeDisplayList);
+        } finally {
+            super.finalize();
         }
     }
 }
diff --git a/core/java/android/view/GLES20Canvas.java b/core/java/android/view/GLES20Canvas.java
index a08d83a..6c6fc9b 100644
--- a/core/java/android/view/GLES20Canvas.java
+++ b/core/java/android/view/GLES20Canvas.java
@@ -18,7 +18,6 @@
 
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
-import android.graphics.ColorFilter;
 import android.graphics.DrawFilter;
 import android.graphics.Matrix;
 import android.graphics.NinePatch;
@@ -47,7 +46,7 @@
     private static final int MODIFIER_SHADER = 2;
 
     private final boolean mOpaque;
-    private long mRenderer;
+    protected long mRenderer;
 
     // The native renderer will be destroyed when this object dies.
     // DO NOT overwrite this reference once it is set.
@@ -107,10 +106,6 @@
         }
     }
 
-    protected void resetDisplayListRenderer() {
-        nResetDisplayListRenderer(mRenderer);
-    }
-
     private static native long nCreateRenderer();
     private static native long nCreateDisplayListRenderer();
     private static native void nResetDisplayListRenderer(long renderer);
@@ -361,11 +356,7 @@
     // Display list
     ///////////////////////////////////////////////////////////////////////////
 
-    long getDisplayList(long displayList) {
-        return nGetDisplayList(mRenderer, displayList);
-    }
-
-    private static native long nGetDisplayList(long renderer, long displayList);
+    protected static native long nFinishRecording(long renderer);
 
     @Override
     public int drawDisplayList(DisplayList displayList, Rect dirty, int flags) {
diff --git a/core/java/android/view/GLES20RecordingCanvas.java b/core/java/android/view/GLES20RecordingCanvas.java
index b7b6883..2b29e5c 100644
--- a/core/java/android/view/GLES20RecordingCanvas.java
+++ b/core/java/android/view/GLES20RecordingCanvas.java
@@ -16,7 +16,6 @@
 
 package android.view;
 
-import android.graphics.Rect;
 import android.util.Pools.SynchronizedPool;
 
 /**
@@ -33,39 +32,23 @@
     private static final SynchronizedPool<GLES20RecordingCanvas> sPool =
             new SynchronizedPool<GLES20RecordingCanvas>(POOL_LIMIT);
 
-    private DisplayList mDisplayList;
-
     private GLES20RecordingCanvas() {
         super(true, true);
     }
 
-    static GLES20RecordingCanvas obtain(DisplayList displayList) {
+    static GLES20RecordingCanvas obtain() {
         GLES20RecordingCanvas canvas = sPool.acquire();
         if (canvas == null) {
             canvas = new GLES20RecordingCanvas();
         }
-        canvas.mDisplayList = displayList;
         return canvas;
     }
 
     void recycle() {
-        mDisplayList = null;
-        resetDisplayListRenderer();
         sPool.release(this);
     }
 
-    void start() {
-        mDisplayList.clearReferences();
-    }
-
-    long end(long nativeDisplayList) {
-        return getDisplayList(nativeDisplayList);
-    }
-
-    @Override
-    public int drawDisplayList(DisplayList displayList, Rect dirty, int flags) {
-        int status = super.drawDisplayList(displayList, dirty, flags);
-        mDisplayList.getChildDisplayLists().add(displayList);
-        return status;
+    long finishRecording() {
+        return nFinishRecording(mRenderer);
     }
 }
diff --git a/core/java/android/view/GLRenderer.java b/core/java/android/view/GLRenderer.java
index 4c92e950..c90e4b0 100644
--- a/core/java/android/view/GLRenderer.java
+++ b/core/java/android/view/GLRenderer.java
@@ -1196,6 +1196,11 @@
         }
     }
 
+    void swapDisplayListData(long displayList, long newData) {
+        nSwapDisplayListData(displayList, newData);
+    }
+    private static native void nSwapDisplayListData(long displayList, long newData);
+
     private DisplayList buildDisplayList(View view, HardwareCanvas canvas) {
         if (mDrawDelta <= 0) {
             return view.mDisplayList;
diff --git a/core/java/android/view/HardwareLayer.java b/core/java/android/view/HardwareLayer.java
index 8900d23..c526dd2 100644
--- a/core/java/android/view/HardwareLayer.java
+++ b/core/java/android/view/HardwareLayer.java
@@ -88,7 +88,7 @@
         }
 
         if (mDisplayList != null) {
-            mDisplayList.reset();
+            mDisplayList.destroyDisplayListData(mRenderer);
             mDisplayList = null;
         }
         if (mRenderer != null) {
diff --git a/core/java/android/view/HardwareRenderer.java b/core/java/android/view/HardwareRenderer.java
index 7a943f0..bcc28e3 100644
--- a/core/java/android/view/HardwareRenderer.java
+++ b/core/java/android/view/HardwareRenderer.java
@@ -562,6 +562,8 @@
         mRequested = requested;
     }
 
+    abstract void swapDisplayListData(long displayList, long newData);
+
     /**
      * Describes a series of frames that should be drawn on screen as a graph.
      * Each frame is composed of 1 or more elements.
diff --git a/core/java/android/view/ThreadedRenderer.java b/core/java/android/view/ThreadedRenderer.java
index e8f5e45..3dcfbb3 100644
--- a/core/java/android/view/ThreadedRenderer.java
+++ b/core/java/android/view/ThreadedRenderer.java
@@ -148,6 +148,11 @@
     }
 
     @Override
+    void swapDisplayListData(long displayList, long newData) {
+        nSwapDisplayListData(mNativeProxy, displayList, newData);
+    }
+
+    @Override
     void draw(View view, AttachInfo attachInfo, HardwareDrawCallbacks callbacks, Rect dirty) {
         attachInfo.mIgnoreDirtyState = true;
         attachInfo.mDrawingTime = SystemClock.uptimeMillis();
@@ -252,6 +257,8 @@
     private static native boolean nInitialize(long nativeProxy, Surface window);
     private static native void nUpdateSurface(long nativeProxy, Surface window);
     private static native void nSetup(long nativeProxy, int width, int height);
+    private static native void nSwapDisplayListData(long nativeProxy, long displayList,
+            long newData);
     private static native void nDrawDisplayList(long nativeProxy, long displayList,
             int dirtyLeft, int dirtyTop, int dirtyRight, int dirtyBottom);
     private static native void nRunWithGlContext(long nativeProxy, Runnable runnable);
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 99aee29..5936902 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -7984,8 +7984,6 @@
      * @hide
      */
     public void dispatchStartTemporaryDetach() {
-        clearDisplayList();
-
         onStartTemporaryDetach();
     }
 
@@ -9386,7 +9384,7 @@
 
         if ((changed & VISIBILITY_MASK) != 0) {
             // If the view is invisible, cleanup its display list to free up resources
-            if (newVisibility != VISIBLE) {
+            if (newVisibility != VISIBLE && mAttachInfo != null) {
                 cleanupDraw();
             }
 
@@ -12813,14 +12811,6 @@
             InputMethodManager imm = InputMethodManager.peekInstance();
             imm.focusIn(this);
         }
-
-        if (mDisplayList != null) {
-            mDisplayList.clearDirty();
-        }
-
-        if (mBackgroundDisplayList != null) {
-            mBackgroundDisplayList.clearDirty();
-        }
     }
 
     /**
@@ -13138,21 +13128,8 @@
     }
 
     private void cleanupDraw() {
-        if (mAttachInfo != null) {
-            // Ensure the display lists are reset when the view root dies.
-            if (mDisplayList != null) {
-                mDisplayList.markDirty();
-                mAttachInfo.mViewRootImpl.enqueueDisplayList(mDisplayList);
-            }
-            if (mBackgroundDisplayList != null) {
-                mBackgroundDisplayList.markDirty();
-                mAttachInfo.mViewRootImpl.enqueueDisplayList(mBackgroundDisplayList);
-            }
-            mAttachInfo.mViewRootImpl.cancelInvalidate(this);
-        } else {
-            // Should never happen.
-            resetDisplayList();
-        }
+        resetDisplayList();
+        mAttachInfo.mViewRootImpl.cancelInvalidate(this);
     }
 
     /**
@@ -14032,7 +14009,7 @@
                     }
                 }
             } finally {
-                displayList.end();
+                displayList.end(getHardwareRenderer(), canvas);
                 displayList.setCaching(caching);
                 if (isLayer) {
                     displayList.setLeftTopRightBottom(0, 0, width, height);
@@ -14061,23 +14038,14 @@
         return mDisplayList;
     }
 
-    private void clearDisplayList() {
-        if (mDisplayList != null) {
-            mDisplayList.clear();
-        }
-
-        if (mBackgroundDisplayList != null) {
-            mBackgroundDisplayList.clear();
-        }
-    }
-
     private void resetDisplayList() {
-        if (mDisplayList != null) {
-            mDisplayList.reset();
+        HardwareRenderer renderer = getHardwareRenderer();
+        if (mDisplayList != null && mDisplayList.isValid()) {
+            mDisplayList.destroyDisplayListData(renderer);
         }
 
-        if (mBackgroundDisplayList != null) {
-            mBackgroundDisplayList.reset();
+        if (mBackgroundDisplayList != null && mBackgroundDisplayList.isValid()) {
+            mBackgroundDisplayList.destroyDisplayListData(renderer);
         }
     }
 
@@ -14700,7 +14668,7 @@
                             alpha = t.getAlpha();
                         }
                         if ((transformType & Transformation.TYPE_MATRIX) != 0) {
-                            displayList.setMatrix(t.getMatrix());
+                            displayList.setStaticMatrix(t.getMatrix());
                         }
                     }
                 }
@@ -15333,7 +15301,7 @@
      * @param displayList Existing display list, or {@code null}
      * @return A valid display list for the specified drawable
      */
-    private static DisplayList getDrawableDisplayList(Drawable drawable, DisplayList displayList) {
+    private DisplayList getDrawableDisplayList(Drawable drawable, DisplayList displayList) {
         if (displayList == null) {
             displayList = DisplayList.create(drawable.getClass().getName());
         }
@@ -15343,7 +15311,7 @@
         final int height = bounds.height();
         final HardwareCanvas canvas = displayList.start(width, height);
         drawable.draw(canvas);
-        displayList.end();
+        displayList.end(getHardwareRenderer(), canvas);
 
         // Set up drawable properties that are view-independent.
         displayList.setLeftTopRightBottom(bounds.left, bounds.top, bounds.right, bounds.bottom);
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index a338e6e..3af1c4f 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -56,6 +56,7 @@
 import android.util.Log;
 import android.util.Slog;
 import android.util.TypedValue;
+import android.view.Surface.OutOfResourcesException;
 import android.view.View.AttachInfo;
 import android.view.View.MeasureSpec;
 import android.view.accessibility.AccessibilityEvent;
@@ -69,7 +70,6 @@
 import android.view.animation.Interpolator;
 import android.view.inputmethod.InputConnection;
 import android.view.inputmethod.InputMethodManager;
-import android.view.Surface.OutOfResourcesException;
 import android.widget.Scroller;
 
 import com.android.internal.R;
@@ -294,8 +294,6 @@
     private long mFpsPrevTime = -1;
     private int mFpsNumFrames;
 
-    private final ArrayList<DisplayList> mDisplayLists = new ArrayList<DisplayList>();
-
     /**
      * see {@link #playSoundEffect(int)}
      */
@@ -620,7 +618,6 @@
     }
 
     void destroyHardwareResources() {
-        invalidateDisplayLists();
         if (mAttachInfo.mHardwareRenderer != null) {
             mAttachInfo.mHardwareRenderer.destroyHardwareResources(mView);
             mAttachInfo.mHardwareRenderer.destroy(false);
@@ -634,7 +631,6 @@
                 HardwareRenderer.trimMemory(ComponentCallbacks2.TRIM_MEMORY_MODERATE);
             }
         } else {
-            invalidateDisplayLists();
             destroyHardwareLayer(mView);
         }
     }
@@ -1503,7 +1499,7 @@
                                 com.android.internal.R.integer.config_mediumAnimTime);
 
                         layerCanvas.restoreToCount(restoreCount);
-                        layerDisplayList.end();
+                        layerDisplayList.end(mAttachInfo.mHardwareRenderer, layerCanvas);
                         layerDisplayList.setCaching(true);
                         layerDisplayList.setLeftTopRightBottom(0, 0, mWidth, mHeight);
                         mTempRect.set(0, 0, mWidth, mHeight);
@@ -2369,8 +2365,6 @@
                     appScale + ", width=" + mWidth + ", height=" + mHeight);
         }
 
-        invalidateDisplayLists();
-
         attachInfo.mTreeObserver.dispatchOnDraw();
 
         if (!dirty.isEmpty() || mIsAnimating) {
@@ -2588,20 +2582,6 @@
         return null;
     }
 
-    void invalidateDisplayLists() {
-        final ArrayList<DisplayList> displayLists = mDisplayLists;
-        final int count = displayLists.size();
-
-        for (int i = 0; i < count; i++) {
-            final DisplayList displayList = displayLists.get(i);
-            if (displayList.isDirty()) {
-                displayList.reset();
-            }
-        }
-
-        displayLists.clear();
-    }
-
     /**
      * @hide
      */
@@ -5229,7 +5209,7 @@
         DisplayList displayList = view.mDisplayList;
         info[0]++;
         if (displayList != null) {
-            info[1] += displayList.getSize();
+            info[1] += 0; /* TODO: Memory used by display lists */
         }
 
         if (view instanceof ViewGroup) {
@@ -5277,7 +5257,6 @@
             }
 
             if (mAdded && !mFirst) {
-                invalidateDisplayLists();
                 destroyHardwareRenderer();
 
                 if (mView != null) {
@@ -5743,10 +5722,6 @@
         mInvalidateOnAnimationRunnable.addViewRect(info);
     }
 
-    public void enqueueDisplayList(DisplayList displayList) {
-        mDisplayLists.add(displayList);
-    }
-
     public void cancelInvalidate(View view) {
         mHandler.removeMessages(MSG_INVALIDATE, view);
         // fixme: might leak the AttachInfo.InvalidateInfo objects instead of returning
diff --git a/core/java/android/widget/Editor.java b/core/java/android/widget/Editor.java
index ea62bbe..84c1586 100644
--- a/core/java/android/widget/Editor.java
+++ b/core/java/android/widget/Editor.java
@@ -23,6 +23,7 @@
 import android.os.Parcelable;
 import android.text.InputFilter;
 import android.text.SpannableString;
+
 import com.android.internal.util.ArrayUtils;
 import com.android.internal.widget.EditableInputConnection;
 
@@ -77,6 +78,7 @@
 import android.view.DragEvent;
 import android.view.Gravity;
 import android.view.HardwareCanvas;
+import android.view.HardwareRenderer;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -1314,6 +1316,7 @@
 
         layout.drawBackground(canvas, highlight, highlightPaint, cursorOffsetVertical,
                 firstLine, lastLine);
+        final HardwareRenderer renderer = mTextView.getHardwareRenderer();
 
         if (layout instanceof DynamicLayout) {
             if (mTextDisplayLists == null) {
@@ -1345,8 +1348,6 @@
                 if (blockDisplayList == null) {
                     blockDisplayList = mTextDisplayLists[blockIndex] =
                             DisplayList.create("Text " + blockIndex);
-                } else {
-                    if (blockIsInvalid) blockDisplayList.clear();
                 }
 
                 final boolean blockDisplayListIsInvalid = !blockDisplayList.isValid();
@@ -1379,7 +1380,7 @@
                             // No need to untranslate, previous context is popped after
                             // drawDisplayList
                         } finally {
-                            blockDisplayList.end();
+                            blockDisplayList.end(renderer, hardwareCanvas);
                             // Same as drawDisplayList below, handled by our TextView's parent
                             blockDisplayList.setClipToBounds(false);
                         }
@@ -1459,7 +1460,7 @@
             while (i < numberOfBlocks) {
                 final int blockIndex = blockIndices[i];
                 if (blockIndex != DynamicLayout.INVALID_BLOCK_INDEX) {
-                    mTextDisplayLists[blockIndex].clear();
+                    mTextDisplayLists[blockIndex].markInvalid();
                 }
                 if (blockEndLines[i] >= lastLine) break;
                 i++;
@@ -1470,7 +1471,7 @@
     void invalidateTextDisplayList() {
         if (mTextDisplayLists != null) {
             for (int i = 0; i < mTextDisplayLists.length; i++) {
-                if (mTextDisplayLists[i] != null) mTextDisplayLists[i].clear();
+                if (mTextDisplayLists[i] != null) mTextDisplayLists[i].markInvalid();
             }
         }
     }
diff --git a/core/jni/android_view_DisplayList.cpp b/core/jni/android_view_DisplayList.cpp
index e47e23c..c8952c1 100644
--- a/core/jni/android_view_DisplayList.cpp
+++ b/core/jni/android_view_DisplayList.cpp
@@ -41,18 +41,6 @@
 // DisplayList view properties
 // ----------------------------------------------------------------------------
 
-static void android_view_DisplayList_reset(JNIEnv* env,
-        jobject clazz, jlong displayListPtr) {
-    DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr);
-    displayList->reset();
-}
-
-static jint android_view_DisplayList_getDisplayListSize(JNIEnv* env,
-        jobject clazz, jlong displayListPtr) {
-    DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr);
-    return displayList->getSize();
-}
-
 static void android_view_DisplayList_setDisplayListName(JNIEnv* env,
         jobject clazz, jlong displayListPtr, jstring name) {
     DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr);
@@ -69,6 +57,11 @@
     displayList->output();
 }
 
+static jlong android_view_DisplayList_create(JNIEnv* env, jobject clazz) {
+    DisplayList* displayList = new DisplayList();
+    return reinterpret_cast<jlong>(displayList);
+}
+
 static void android_view_DisplayList_destroyDisplayList(JNIEnv* env,
         jobject clazz, jlong displayListPtr) {
     DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr);
@@ -285,18 +278,6 @@
     displayList->offsetTopBottom(offset);
 }
 
-static void android_view_DisplayList_getMatrix(JNIEnv* env,
-        jobject clazz, jlong displayListPtr, jlong matrixPtr) {
-    DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr);
-    SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr);
-    SkMatrix* source = displayList->getStaticMatrix();
-    if (source) {
-        matrix->setConcat(SkMatrix::I(), *source);
-    } else {
-        matrix->setIdentity();
-    }
-}
-
 static jboolean android_view_DisplayList_hasOverlappingRendering(JNIEnv* env,
         jobject clazz, jlong displayListPtr) {
     DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr);
@@ -403,13 +384,12 @@
 
 static JNINativeMethod gMethods[] = {
 #ifdef USE_OPENGL_RENDERER
+    { "nCreate",               "()J",    (void*) android_view_DisplayList_create },
     { "nDestroyDisplayList",   "(J)V",   (void*) android_view_DisplayList_destroyDisplayList },
-    { "nGetDisplayListSize",   "(J)I",   (void*) android_view_DisplayList_getDisplayListSize },
     { "nSetDisplayListName",   "(JLjava/lang/String;)V",
             (void*) android_view_DisplayList_setDisplayListName },
     { "nOutput",               "(J)V",  (void*) android_view_DisplayList_output },
 
-    { "nReset",                "(J)V",   (void*) android_view_DisplayList_reset },
     { "nSetCaching",           "(JZ)V",  (void*) android_view_DisplayList_setCaching },
     { "nSetStaticMatrix",      "(JJ)V",  (void*) android_view_DisplayList_setStaticMatrix },
     { "nSetAnimationMatrix",   "(JJ)V",  (void*) android_view_DisplayList_setAnimationMatrix },
@@ -445,7 +425,6 @@
     { "nOffsetLeftAndRight",   "(JF)V",  (void*) android_view_DisplayList_offsetLeftAndRight },
     { "nOffsetTopAndBottom",   "(JF)V",  (void*) android_view_DisplayList_offsetTopAndBottom },
 
-    { "nGetMatrix",               "(JJ)V", (void*) android_view_DisplayList_getMatrix },
     { "nHasOverlappingRendering", "(J)Z",  (void*) android_view_DisplayList_hasOverlappingRendering },
     { "nGetAlpha",                "(J)F",  (void*) android_view_DisplayList_getAlpha },
     { "nGetLeft",                 "(J)F",  (void*) android_view_DisplayList_getLeft },
diff --git a/core/jni/android_view_GLES20Canvas.cpp b/core/jni/android_view_GLES20Canvas.cpp
index 4e353fa..a4e6679 100644
--- a/core/jni/android_view_GLES20Canvas.cpp
+++ b/core/jni/android_view_GLES20Canvas.cpp
@@ -864,22 +864,15 @@
 // Display lists
 // ----------------------------------------------------------------------------
 
-static jint android_view_GLES20Canvas_getDisplayList(JNIEnv* env,
-        jobject clazz, jlong rendererPtr, jlong displayListPtr) {
-    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
-    DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr);
-    return reinterpret_cast<jint>(renderer->getDisplayList(displayList));
-}
-
-static jint android_view_GLES20Canvas_createDisplayListRenderer(JNIEnv* env,
-        jobject clazz) {
-    return reinterpret_cast<jint>(new DisplayListRenderer);
-}
-
-static void android_view_GLES20Canvas_resetDisplayListRenderer(JNIEnv* env,
+static jlong android_view_GLES20Canvas_finishRecording(JNIEnv* env,
         jobject clazz, jlong rendererPtr) {
     DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
-    renderer->reset();
+    return reinterpret_cast<jlong>(renderer->finishRecording());
+}
+
+static jlong android_view_GLES20Canvas_createDisplayListRenderer(JNIEnv* env,
+        jobject clazz) {
+    return reinterpret_cast<jlong>(new DisplayListRenderer);
 }
 
 static jint android_view_GLES20Canvas_drawDisplayList(JNIEnv* env,
@@ -1094,12 +1087,11 @@
     { "nGetClipBounds",     "(JLandroid/graphics/Rect;)Z",
             (void*) android_view_GLES20Canvas_getClipBounds },
 
-    { "nGetDisplayList",         "(JJ)J",      (void*) android_view_GLES20Canvas_getDisplayList },
+    { "nFinishRecording",        "(J)J",      (void*) android_view_GLES20Canvas_finishRecording },
     { "nDrawDisplayList",        "(JJLandroid/graphics/Rect;I)I",
             (void*) android_view_GLES20Canvas_drawDisplayList },
 
     { "nCreateDisplayListRenderer", "()J",     (void*) android_view_GLES20Canvas_createDisplayListRenderer },
-    { "nResetDisplayListRenderer",  "(J)V",    (void*) android_view_GLES20Canvas_resetDisplayListRenderer },
 
     { "nInterrupt",              "(J)V",       (void*) android_view_GLES20Canvas_interrupt },
     { "nResume",                 "(J)V",       (void*) android_view_GLES20Canvas_resume },
diff --git a/core/jni/android_view_GLRenderer.cpp b/core/jni/android_view_GLRenderer.cpp
index 5c5b52c..5ea8460 100644
--- a/core/jni/android_view_GLRenderer.cpp
+++ b/core/jni/android_view_GLRenderer.cpp
@@ -27,6 +27,7 @@
 #include <utils/Timers.h>
 
 #include <Caches.h>
+#include <DisplayList.h>
 #include <Extensions.h>
 #include <LayerRenderer.h>
 
@@ -139,6 +140,14 @@
     LayerRenderer::destroyLayer(layer);
 }
 
+static void android_view_GLRenderer_swapDisplayListData(JNIEnv* env, jobject clazz,
+        jlong displayListPtr, jlong newDataPtr) {
+    using namespace android::uirenderer;
+    DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr);
+    DisplayListData* newData = reinterpret_cast<DisplayListData*>(newDataPtr);
+    displayList->setData(newData);
+}
+
 #endif // USE_OPENGL_RENDERER
 
 // ----------------------------------------------------------------------------
@@ -169,6 +178,7 @@
 
     { "getSystemTime",         "()J",   (void*) android_view_GLRenderer_getSystemTime },
     { "nDestroyLayer",         "(J)V",  (void*) android_view_GLRenderer_destroyLayer },
+    { "nSwapDisplayListData",  "(JJ)V", (void*) android_view_GLRenderer_swapDisplayListData },
 #endif
 
     { "setupShadersDiskCache", "(Ljava/lang/String;)V",
diff --git a/core/jni/android_view_ThreadedRenderer.cpp b/core/jni/android_view_ThreadedRenderer.cpp
index bc5c06e..444c8be 100644
--- a/core/jni/android_view_ThreadedRenderer.cpp
+++ b/core/jni/android_view_ThreadedRenderer.cpp
@@ -103,6 +103,14 @@
     proxy->setup(width, height);
 }
 
+static void android_view_ThreadedRenderer_swapDisplayListData(JNIEnv* env, jobject clazz,
+        jlong proxyPtr, jlong displayListPtr, jlong newDataPtr) {
+    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
+    DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr);
+    DisplayListData* newData = reinterpret_cast<DisplayListData*>(newDataPtr);
+    proxy->swapDisplayListData(displayList, newData);
+}
+
 static void android_view_ThreadedRenderer_drawDisplayList(JNIEnv* env, jobject clazz,
         jlong proxyPtr, jlong displayListPtr, jint dirtyLeft, jint dirtyTop,
         jint dirtyRight, jint dirtyBottom) {
@@ -183,10 +191,11 @@
     { "nInitialize", "(JLandroid/view/Surface;)Z", (void*) android_view_ThreadedRenderer_initialize },
     { "nUpdateSurface", "(JLandroid/view/Surface;)V", (void*) android_view_ThreadedRenderer_updateSurface },
     { "nSetup", "(JII)V", (void*) android_view_ThreadedRenderer_setup },
-    { "nDrawDisplayList", "(JJIIII)V", (void*) android_view_ThreadedRenderer_drawDisplayList},
-    { "nDestroyCanvas", "(J)V", (void*) android_view_ThreadedRenderer_destroyCanvas},
-    { "nAttachFunctor", "(JJ)V", (void*) android_view_ThreadedRenderer_attachFunctor},
-    { "nDetachFunctor", "(JJ)V", (void*) android_view_ThreadedRenderer_detachFunctor},
+    { "nSwapDisplayListData", "(JJJ)V", (void*) android_view_ThreadedRenderer_swapDisplayListData },
+    { "nDrawDisplayList", "(JJIIII)V", (void*) android_view_ThreadedRenderer_drawDisplayList },
+    { "nDestroyCanvas", "(J)V", (void*) android_view_ThreadedRenderer_destroyCanvas },
+    { "nAttachFunctor", "(JJ)V", (void*) android_view_ThreadedRenderer_attachFunctor },
+    { "nDetachFunctor", "(JJ)V", (void*) android_view_ThreadedRenderer_detachFunctor },
     { "nRunWithGlContext", "(JLjava/lang/Runnable;)V", (void*) android_view_ThreadedRenderer_runWithGlContext },
     { "nCreateDisplayListLayer", "(JII)J", (void*) android_view_ThreadedRenderer_createDisplayListLayer },
     { "nCreateTextureLayer", "(J)J", (void*) android_view_ThreadedRenderer_createTextureLayer },
diff --git a/libs/hwui/DisplayList.cpp b/libs/hwui/DisplayList.cpp
index 23c33ca..112f8d3f 100644
--- a/libs/hwui/DisplayList.cpp
+++ b/libs/hwui/DisplayList.cpp
@@ -48,179 +48,10 @@
     fflush(file);
 }
 
-DisplayList::DisplayList(const DisplayListRenderer& recorder) :
-    mDestroyed(false), mTransformMatrix(NULL), mTransformCamera(NULL), mTransformMatrix3D(NULL),
-    mStaticMatrix(NULL), mAnimationMatrix(NULL) {
+DisplayList::DisplayList() :
+        mDisplayListData(0), mDestroyed(false), mTransformMatrix(NULL), mTransformCamera(NULL),
+        mTransformMatrix3D(NULL), mStaticMatrix(NULL), mAnimationMatrix(NULL) {
 
-    initFromDisplayListRenderer(recorder);
-}
-
-DisplayList::~DisplayList() {
-    mDestroyed = true;
-    clearResources();
-}
-
-void DisplayList::destroyDisplayListDeferred(DisplayList* displayList) {
-    if (displayList) {
-        DISPLAY_LIST_LOGD("Deferring display list destruction");
-        Caches::getInstance().deleteDisplayListDeferred(displayList);
-    }
-}
-
-void DisplayList::clearResources() {
-    mDisplayListData = NULL;
-
-    delete mTransformMatrix;
-    delete mTransformCamera;
-    delete mTransformMatrix3D;
-    delete mStaticMatrix;
-    delete mAnimationMatrix;
-
-    mTransformMatrix = NULL;
-    mTransformCamera = NULL;
-    mTransformMatrix3D = NULL;
-    mStaticMatrix = NULL;
-    mAnimationMatrix = NULL;
-
-    Caches& caches = Caches::getInstance();
-    caches.unregisterFunctors(mFunctorCount);
-    caches.resourceCache.lock();
-
-    for (size_t i = 0; i < mBitmapResources.size(); i++) {
-        caches.resourceCache.decrementRefcountLocked(mBitmapResources.itemAt(i));
-    }
-
-    for (size_t i = 0; i < mOwnedBitmapResources.size(); i++) {
-        const SkBitmap* bitmap = mOwnedBitmapResources.itemAt(i);
-        caches.resourceCache.decrementRefcountLocked(bitmap);
-        caches.resourceCache.destructorLocked(bitmap);
-    }
-
-    for (size_t i = 0; i < mPatchResources.size(); i++) {
-        caches.resourceCache.decrementRefcountLocked(mPatchResources.itemAt(i));
-    }
-
-    for (size_t i = 0; i < mShaders.size(); i++) {
-        caches.resourceCache.decrementRefcountLocked(mShaders.itemAt(i));
-        caches.resourceCache.destructorLocked(mShaders.itemAt(i));
-    }
-
-    for (size_t i = 0; i < mSourcePaths.size(); i++) {
-        caches.resourceCache.decrementRefcountLocked(mSourcePaths.itemAt(i));
-    }
-
-    for (size_t i = 0; i < mLayers.size(); i++) {
-        caches.resourceCache.decrementRefcountLocked(mLayers.itemAt(i));
-    }
-
-    caches.resourceCache.unlock();
-
-    for (size_t i = 0; i < mPaints.size(); i++) {
-        delete mPaints.itemAt(i);
-    }
-
-    for (size_t i = 0; i < mRegions.size(); i++) {
-        delete mRegions.itemAt(i);
-    }
-
-    for (size_t i = 0; i < mPaths.size(); i++) {
-        delete mPaths.itemAt(i);
-    }
-
-    for (size_t i = 0; i < mMatrices.size(); i++) {
-        delete mMatrices.itemAt(i);
-    }
-
-    mBitmapResources.clear();
-    mOwnedBitmapResources.clear();
-    mPatchResources.clear();
-    mShaders.clear();
-    mSourcePaths.clear();
-    mPaints.clear();
-    mRegions.clear();
-    mPaths.clear();
-    mMatrices.clear();
-    mLayers.clear();
-}
-
-void DisplayList::reset() {
-    clearResources();
-    init();
-}
-
-void DisplayList::initFromDisplayListRenderer(const DisplayListRenderer& recorder, bool reusing) {
-    if (reusing) {
-        // re-using display list - clear out previous allocations
-        clearResources();
-    }
-
-    init();
-
-    mDisplayListData = recorder.getDisplayListData();
-    mSize = mDisplayListData->allocator.usedSize();
-
-    if (mSize == 0) {
-        return;
-    }
-
-    mFunctorCount = recorder.getFunctorCount();
-
-    Caches& caches = Caches::getInstance();
-    caches.registerFunctors(mFunctorCount);
-    caches.resourceCache.lock();
-
-    const Vector<const SkBitmap*>& bitmapResources = recorder.getBitmapResources();
-    for (size_t i = 0; i < bitmapResources.size(); i++) {
-        const SkBitmap* resource = bitmapResources.itemAt(i);
-        mBitmapResources.add(resource);
-        caches.resourceCache.incrementRefcountLocked(resource);
-    }
-
-    const Vector<const SkBitmap*>& ownedBitmapResources = recorder.getOwnedBitmapResources();
-    for (size_t i = 0; i < ownedBitmapResources.size(); i++) {
-        const SkBitmap* resource = ownedBitmapResources.itemAt(i);
-        mOwnedBitmapResources.add(resource);
-        caches.resourceCache.incrementRefcountLocked(resource);
-    }
-
-    const Vector<const Res_png_9patch*>& patchResources = recorder.getPatchResources();
-    for (size_t i = 0; i < patchResources.size(); i++) {
-        const Res_png_9patch* resource = patchResources.itemAt(i);
-        mPatchResources.add(resource);
-        caches.resourceCache.incrementRefcountLocked(resource);
-    }
-
-    const Vector<SkiaShader*>& shaders = recorder.getShaders();
-    for (size_t i = 0; i < shaders.size(); i++) {
-        SkiaShader* resource = shaders.itemAt(i);
-        mShaders.add(resource);
-        caches.resourceCache.incrementRefcountLocked(resource);
-    }
-
-    const SortedVector<const SkPath*>& sourcePaths = recorder.getSourcePaths();
-    for (size_t i = 0; i < sourcePaths.size(); i++) {
-        mSourcePaths.add(sourcePaths.itemAt(i));
-        caches.resourceCache.incrementRefcountLocked(sourcePaths.itemAt(i));
-    }
-
-    const Vector<Layer*>& layers = recorder.getLayers();
-    for (size_t i = 0; i < layers.size(); i++) {
-        mLayers.add(layers.itemAt(i));
-        caches.resourceCache.incrementRefcountLocked(layers.itemAt(i));
-    }
-
-    caches.resourceCache.unlock();
-
-    mPaints.appendVector(recorder.getPaints());
-    mRegions.appendVector(recorder.getRegions());
-    mPaths.appendVector(recorder.getPaths());
-    mMatrices.appendVector(recorder.getMatrices());
-}
-
-void DisplayList::init() {
-    mSize = 0;
-    mIsRenderable = true;
-    mFunctorCount = 0;
     mLeft = 0;
     mTop = 0;
     mRight = 0;
@@ -256,8 +87,28 @@
     mCaching = false;
 }
 
-size_t DisplayList::getSize() {
-    return mSize;
+DisplayList::~DisplayList() {
+    LOG_ALWAYS_FATAL_IF(mDestroyed, "Double destroyed DisplayList %p", this);
+
+    mDestroyed = true;
+    delete mDisplayListData;
+    delete mTransformMatrix;
+    delete mTransformCamera;
+    delete mTransformMatrix3D;
+    delete mStaticMatrix;
+    delete mAnimationMatrix;
+}
+
+void DisplayList::destroyDisplayListDeferred(DisplayList* displayList) {
+    if (displayList) {
+        DISPLAY_LIST_LOGD("Deferring display list destruction");
+        Caches::getInstance().deleteDisplayListDeferred(displayList);
+    }
+}
+
+void DisplayList::setData(DisplayListData* data) {
+    delete mDisplayListData;
+    mDisplayListData = data;
 }
 
 /**
@@ -518,7 +369,7 @@
         const mat4* transformFromProjectionSurface) {
     m3dNodes.clear();
     mProjectedNodes.clear();
-    if (mDisplayListData == NULL || mSize == 0) return;
+    if (mDisplayListData == NULL || mDisplayListData->isEmpty()) return;
 
     // TODO: should avoid this calculation in most cases
     // TODO: just calculate single matrix, down to all leaf composited elements
@@ -716,10 +567,10 @@
 template <class T>
 void DisplayList::iterate(OpenGLRenderer& renderer, T& handler, const int level) {
     if (CC_UNLIKELY(mDestroyed)) { // temporary debug logging
-        ALOGW("Error: %s is drawing after destruction, size %d", getName(), mSize);
+        ALOGW("Error: %s is drawing after destruction, size %d", getName());
         CRASH();
     }
-    if (mSize == 0 || mAlpha <= 0) {
+    if (mDisplayListData->isEmpty() || mAlpha <= 0) {
         DISPLAY_LIST_LOGD("%*sEmpty display list (%p, %s)", level * 2, "", this, mName.string());
         return;
     }
@@ -777,5 +628,67 @@
     renderer.setOverrideLayerAlpha(1.0f);
 }
 
+void DisplayListData::cleanupResources() {
+    Caches& caches = Caches::getInstance();
+    caches.unregisterFunctors(functorCount);
+    caches.resourceCache.lock();
+
+    for (size_t i = 0; i < bitmapResources.size(); i++) {
+        caches.resourceCache.decrementRefcountLocked(bitmapResources.itemAt(i));
+    }
+
+    for (size_t i = 0; i < ownedBitmapResources.size(); i++) {
+        const SkBitmap* bitmap = ownedBitmapResources.itemAt(i);
+        caches.resourceCache.decrementRefcountLocked(bitmap);
+        caches.resourceCache.destructorLocked(bitmap);
+    }
+
+    for (size_t i = 0; i < patchResources.size(); i++) {
+        caches.resourceCache.decrementRefcountLocked(patchResources.itemAt(i));
+    }
+
+    for (size_t i = 0; i < shaders.size(); i++) {
+        caches.resourceCache.decrementRefcountLocked(shaders.itemAt(i));
+        caches.resourceCache.destructorLocked(shaders.itemAt(i));
+    }
+
+    for (size_t i = 0; i < sourcePaths.size(); i++) {
+        caches.resourceCache.decrementRefcountLocked(sourcePaths.itemAt(i));
+    }
+
+    for (size_t i = 0; i < layers.size(); i++) {
+        caches.resourceCache.decrementRefcountLocked(layers.itemAt(i));
+    }
+
+    caches.resourceCache.unlock();
+
+    for (size_t i = 0; i < paints.size(); i++) {
+        delete paints.itemAt(i);
+    }
+
+    for (size_t i = 0; i < regions.size(); i++) {
+        delete regions.itemAt(i);
+    }
+
+    for (size_t i = 0; i < paths.size(); i++) {
+        delete paths.itemAt(i);
+    }
+
+    for (size_t i = 0; i < matrices.size(); i++) {
+        delete matrices.itemAt(i);
+    }
+
+    bitmapResources.clear();
+    ownedBitmapResources.clear();
+    patchResources.clear();
+    shaders.clear();
+    sourcePaths.clear();
+    paints.clear();
+    regions.clear();
+    paths.clear();
+    matrices.clear();
+    layers.clear();
+}
+
 }; // namespace uirenderer
 }; // namespace android
diff --git a/libs/hwui/DisplayList.h b/libs/hwui/DisplayList.h
index 9487fae..aba40b6 100644
--- a/libs/hwui/DisplayList.h
+++ b/libs/hwui/DisplayList.h
@@ -107,11 +107,13 @@
 };
 
 /**
- * Refcounted structure that holds the list of commands used in display list stream.
+ * Data structure that holds the list of commands used in display list stream
  */
-class DisplayListData : public LightRefBase<DisplayListData> {
+class DisplayListData {
 public:
-    DisplayListData() : projectionReceiveIndex(-1) {}
+    DisplayListData() : projectionReceiveIndex(-1), functorCount(0), hasDrawOps(false) {}
+    virtual ~DisplayListData() { cleanupResources(); }
+
     // allocator into which all ops were allocated
     LinearAllocator allocator;
 
@@ -123,6 +125,27 @@
 
     // index of DisplayListOp restore, after which projected descendents should be drawn
     int projectionReceiveIndex;
+
+    Vector<const SkBitmap*> bitmapResources;
+    Vector<const SkBitmap*> ownedBitmapResources;
+    Vector<const Res_png_9patch*> patchResources;
+
+    Vector<const SkPaint*> paints;
+    Vector<const SkPath*> paths;
+    SortedVector<const SkPath*> sourcePaths;
+    Vector<const SkRegion*> regions;
+    Vector<const SkMatrix*> matrices;
+    Vector<SkiaShader*> shaders;
+    Vector<Layer*> layers;
+    uint32_t functorCount;
+    bool hasDrawOps;
+
+    bool isEmpty() {
+        return !displayListOps.size();
+    }
+
+private:
+    void cleanupResources();
 };
 
 /**
@@ -139,7 +162,7 @@
  */
 class DisplayList {
 public:
-    DisplayList(const DisplayListRenderer& recorder);
+    ANDROID_API DisplayList();
     ANDROID_API ~DisplayList();
 
     // See flags defined in DisplayList.java
@@ -147,11 +170,10 @@
         kReplayFlag_ClipChildren = 0x1
     };
 
-    ANDROID_API size_t getSize();
     ANDROID_API static void destroyDisplayListDeferred(DisplayList* displayList);
     ANDROID_API static void outputLogBuffer(int fd);
 
-    void initFromDisplayListRenderer(const DisplayListRenderer& recorder, bool reusing = false);
+    ANDROID_API void setData(DisplayListData* newData);
 
     void computeOrdering();
     void defer(DeferStateStruct& deferStruct, const int level);
@@ -159,14 +181,8 @@
 
     ANDROID_API void output(uint32_t level = 1);
 
-    ANDROID_API void reset();
-
-    void setRenderable(bool renderable) {
-        mIsRenderable = renderable;
-    }
-
     bool isRenderable() const {
-        return mIsRenderable;
+        return mDisplayListData && mDisplayListData->hasDrawOps;
     }
 
     void setName(const char* name) {
@@ -571,10 +587,6 @@
     template <class T>
     inline void iterate(OpenGLRenderer& renderer, T& handler, const int level);
 
-    void init();
-
-    void clearResources();
-
     void updateMatrix();
 
     class TextContainer {
@@ -591,24 +603,7 @@
         const char* mText;
     };
 
-    Vector<const SkBitmap*> mBitmapResources;
-    Vector<const SkBitmap*> mOwnedBitmapResources;
-    Vector<const Res_png_9patch*> mPatchResources;
-
-    Vector<const SkPaint*> mPaints;
-    Vector<const SkPath*> mPaths;
-    SortedVector<const SkPath*> mSourcePaths;
-    Vector<const SkRegion*> mRegions;
-    Vector<const SkMatrix*> mMatrices;
-    Vector<SkiaShader*> mShaders;
-    Vector<Layer*> mLayers;
-
-    sp<DisplayListData> mDisplayListData;
-
-    size_t mSize;
-
-    bool mIsRenderable;
-    uint32_t mFunctorCount;
+    DisplayListData* mDisplayListData;
 
     String8 mName;
     bool mDestroyed; // used for debugging crash, TODO: remove once invalid state crash fixed
diff --git a/libs/hwui/DisplayListRenderer.cpp b/libs/hwui/DisplayListRenderer.cpp
index 0cbf088..5abfe79 100644
--- a/libs/hwui/DisplayListRenderer.cpp
+++ b/libs/hwui/DisplayListRenderer.cpp
@@ -32,83 +32,28 @@
 namespace uirenderer {
 
 DisplayListRenderer::DisplayListRenderer():
-        mCaches(Caches::getInstance()), mDisplayListData(new DisplayListData),
+        mCaches(Caches::getInstance()),
         mTranslateX(0.0f), mTranslateY(0.0f), mHasTranslate(false),
-        mHasDrawOps(false), mFunctorCount(0) {
+        mRestoreSaveCount(-1), mDisplayListData(0) {
 }
 
 DisplayListRenderer::~DisplayListRenderer() {
-    reset();
-}
-
-void DisplayListRenderer::reset() {
-    mDisplayListData = new DisplayListData();
-    mCaches.resourceCache.lock();
-
-    for (size_t i = 0; i < mBitmapResources.size(); i++) {
-        mCaches.resourceCache.decrementRefcountLocked(mBitmapResources.itemAt(i));
-    }
-
-    for (size_t i = 0; i < mOwnedBitmapResources.size(); i++) {
-        mCaches.resourceCache.decrementRefcountLocked(mOwnedBitmapResources.itemAt(i));
-    }
-
-    for (size_t i = 0; i < mPatchResources.size(); i++) {
-        mCaches.resourceCache.decrementRefcountLocked(mPatchResources.itemAt(i));
-    }
-
-    for (size_t i = 0; i < mShaders.size(); i++) {
-        mCaches.resourceCache.decrementRefcountLocked(mShaders.itemAt(i));
-    }
-
-    for (size_t i = 0; i < mSourcePaths.size(); i++) {
-        mCaches.resourceCache.decrementRefcountLocked(mSourcePaths.itemAt(i));
-    }
-
-    for (size_t i = 0; i < mLayers.size(); i++) {
-        mCaches.resourceCache.decrementRefcountLocked(mLayers.itemAt(i));
-    }
-
-    mCaches.resourceCache.unlock();
-
-    mBitmapResources.clear();
-    mOwnedBitmapResources.clear();
-    mPatchResources.clear();
-    mSourcePaths.clear();
-
-    mShaders.clear();
-    mShaderMap.clear();
-
-    mPaints.clear();
-    mPaintMap.clear();
-
-    mRegions.clear();
-    mRegionMap.clear();
-
-    mPaths.clear();
-    mPathMap.clear();
-
-    mMatrices.clear();
-
-    mLayers.clear();
-
-    mHasDrawOps = false;
-    mFunctorCount = 0;
+    LOG_ALWAYS_FATAL_IF(mDisplayListData,
+            "Destroyed a DisplayListRenderer during a record!");
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // Operations
 ///////////////////////////////////////////////////////////////////////////////
 
-DisplayList* DisplayListRenderer::getDisplayList(DisplayList* displayList) {
-    if (!displayList) {
-        displayList = new DisplayList(*this);
-    } else {
-        displayList->initFromDisplayListRenderer(*this, true);
-    }
-    // TODO: should just avoid setting the DisplayList's DisplayListData
-    displayList->setRenderable(mHasDrawOps);
-    return displayList;
+DisplayListData* DisplayListRenderer::finishRecording() {
+    mShaderMap.clear();
+    mPaintMap.clear();
+    mRegionMap.clear();
+    mPathMap.clear();
+    DisplayListData* data = mDisplayListData;
+    mDisplayListData = 0;
+    return data;
 }
 
 void DisplayListRenderer::setViewport(int width, int height) {
@@ -120,6 +65,11 @@
 
 status_t DisplayListRenderer::prepareDirty(float left, float top,
         float right, float bottom, bool opaque) {
+
+    LOG_ALWAYS_FATAL_IF(mDisplayListData,
+            "prepareDirty called a second time during a recording!");
+    mDisplayListData = new DisplayListData();
+
     initializeSaveStack(0, 0, getWidth(), getHeight());
 
     mDirtyClip = opaque;
@@ -142,7 +92,7 @@
 status_t DisplayListRenderer::callDrawGLFunction(Functor *functor, Rect& dirty) {
     // Ignore dirty during recording, it matters only when we replay
     addDrawOp(new (alloc()) DrawFunctorOp(functor));
-    mFunctorCount++;
+    mDisplayListData->functorCount++;
     return DrawGlInfo::kStatusDone; // No invalidate needed at record-time
 }
 
@@ -501,7 +451,7 @@
         op->setQuickRejected(rejected);
     }
 
-    mHasDrawOps = true;
+    mDisplayListData->hasDrawOps = true;
     addOpInternal(op);
 }
 
diff --git a/libs/hwui/DisplayListRenderer.h b/libs/hwui/DisplayListRenderer.h
index 7e62c5d..6c11e59 100644
--- a/libs/hwui/DisplayListRenderer.h
+++ b/libs/hwui/DisplayListRenderer.h
@@ -61,7 +61,7 @@
     ANDROID_API DisplayListRenderer();
     virtual ~DisplayListRenderer();
 
-    ANDROID_API DisplayList* getDisplayList(DisplayList* displayList);
+    ANDROID_API DisplayListData* finishRecording();
 
     virtual bool isRecording() const { return true; }
 
@@ -162,59 +162,6 @@
     // TODO: rename for consistency
     virtual status_t callDrawGLFunction(Functor* functor, Rect& dirty);
 
-// ----------------------------------------------------------------------------
-// DisplayList / resource management
-// ----------------------------------------------------------------------------
-    ANDROID_API void reset();
-
-    sp<DisplayListData> getDisplayListData() const {
-        return mDisplayListData;
-    }
-
-    const Vector<const SkBitmap*>& getBitmapResources() const {
-        return mBitmapResources;
-    }
-
-    const Vector<const SkBitmap*>& getOwnedBitmapResources() const {
-        return mOwnedBitmapResources;
-    }
-
-    const Vector<const Res_png_9patch*>& getPatchResources() const {
-        return mPatchResources;
-    }
-
-    const Vector<SkiaShader*>& getShaders() const {
-        return mShaders;
-    }
-
-    const Vector<const SkPaint*>& getPaints() const {
-        return mPaints;
-    }
-
-    const Vector<const SkPath*>& getPaths() const {
-        return mPaths;
-    }
-
-    const SortedVector<const SkPath*>& getSourcePaths() const {
-        return mSourcePaths;
-    }
-
-    const Vector<const SkRegion*>& getRegions() const {
-        return mRegions;
-    }
-
-    const Vector<Layer*>& getLayers() const {
-        return mLayers;
-    }
-
-    const Vector<const SkMatrix*>& getMatrices() const {
-        return mMatrices;
-    }
-
-    uint32_t getFunctorCount() const {
-        return mFunctorCount;
-    }
-
 private:
     void insertRestoreToCount();
     void insertTranslate();
@@ -252,11 +199,11 @@
             pathCopy = newPathCopy;
             // replaceValueFor() performs an add if the entry doesn't exist
             mPathMap.replaceValueFor(path, pathCopy);
-            mPaths.add(pathCopy);
+            mDisplayListData->paths.add(pathCopy);
         }
-        if (mSourcePaths.indexOf(path) < 0) {
+        if (mDisplayListData->sourcePaths.indexOf(path) < 0) {
             mCaches.resourceCache.incrementRefcount(path);
-            mSourcePaths.add(path);
+            mDisplayListData->sourcePaths.add(path);
         }
         return pathCopy;
     }
@@ -271,7 +218,7 @@
             paintCopy = new SkPaint(*paint);
             // replaceValueFor() performs an add if the entry doesn't exist
             mPaintMap.replaceValueFor(paint, paintCopy);
-            mPaints.add(paintCopy);
+            mDisplayListData->paints.add(paintCopy);
         }
 
         return paintCopy;
@@ -288,7 +235,7 @@
             regionCopy = new SkRegion(*region);
             // replaceValueFor() performs an add if the entry doesn't exist
             mRegionMap.replaceValueFor(region, regionCopy);
-            mRegions.add(regionCopy);
+            mDisplayListData->regions.add(regionCopy);
         }
 
         return regionCopy;
@@ -299,14 +246,14 @@
             // Copying the matrix is cheap and prevents against the user changing
             // the original matrix before the operation that uses it
             const SkMatrix* copy = new SkMatrix(*matrix);
-            mMatrices.add(copy);
+            mDisplayListData->matrices.add(copy);
             return copy;
         }
         return matrix;
     }
 
     inline Layer* refLayer(Layer* layer) {
-        mLayers.add(layer);
+        mDisplayListData->layers.add(layer);
         mCaches.resourceCache.incrementRefcount(layer);
         return layer;
     }
@@ -316,13 +263,13 @@
         // correctly, such as creating the bitmap from scratch, drawing with it, changing its
         // contents, and drawing again. The only fix would be to always copy it the first time,
         // which doesn't seem worth the extra cycles for this unlikely case.
-        mBitmapResources.add(bitmap);
+        mDisplayListData->bitmapResources.add(bitmap);
         mCaches.resourceCache.incrementRefcount(bitmap);
         return bitmap;
     }
 
     inline const SkBitmap* refBitmapData(const SkBitmap* bitmap) {
-        mOwnedBitmapResources.add(bitmap);
+        mDisplayListData->ownedBitmapResources.add(bitmap);
         mCaches.resourceCache.incrementRefcount(bitmap);
         return bitmap;
     }
@@ -336,52 +283,31 @@
             shaderCopy = shader->copy();
             // replaceValueFor() performs an add if the entry doesn't exist
             mShaderMap.replaceValueFor(shader, shaderCopy);
-            mShaders.add(shaderCopy);
+            mDisplayListData->shaders.add(shaderCopy);
             mCaches.resourceCache.incrementRefcount(shaderCopy);
         }
         return shaderCopy;
     }
 
     inline const Res_png_9patch* refPatch(const Res_png_9patch* patch) {
-        mPatchResources.add(patch);
+        mDisplayListData->patchResources.add(patch);
         mCaches.resourceCache.incrementRefcount(patch);
         return patch;
     }
 
-    // TODO: move these to DisplayListData
-    Vector<const SkBitmap*> mBitmapResources;
-    Vector<const SkBitmap*> mOwnedBitmapResources;
-    Vector<const Res_png_9patch*> mPatchResources;
-
-    Vector<const SkPaint*> mPaints;
     DefaultKeyedVector<const SkPaint*, const SkPaint*> mPaintMap;
-
-    Vector<const SkPath*> mPaths;
     DefaultKeyedVector<const SkPath*, const SkPath*> mPathMap;
-
-    SortedVector<const SkPath*> mSourcePaths;
-
-    Vector<const SkRegion*> mRegions;
     DefaultKeyedVector<const SkRegion*, const SkRegion*> mRegionMap;
-
-    Vector<SkiaShader*> mShaders;
     DefaultKeyedVector<SkiaShader*, SkiaShader*> mShaderMap;
 
-    Vector<const SkMatrix*> mMatrices;
-
-    Vector<Layer*> mLayers;
-
     int mRestoreSaveCount;
 
     Caches& mCaches;
-    sp<DisplayListData> mDisplayListData;
+    DisplayListData* mDisplayListData;
 
     float mTranslateX;
     float mTranslateY;
     bool mHasTranslate;
-    bool mHasDrawOps;
-
-    uint32_t mFunctorCount;
 
     friend class DisplayList;
 
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index fe781bd..0568851 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -373,6 +373,10 @@
     mCanvas->setViewport(width, height);
 }
 
+void CanvasContext::swapDisplayListData(DisplayList* displayList, DisplayListData* newData) {
+    displayList->setData(newData);
+}
+
 void CanvasContext::processLayerUpdates(const Vector<DeferredLayerUpdater*>* layerUpdaters) {
     mGlobalContext->makeCurrent(mEglSurface);
     for (size_t i = 0; i < layerUpdaters->size(); i++) {
diff --git a/libs/hwui/renderthread/CanvasContext.h b/libs/hwui/renderthread/CanvasContext.h
index 5fac582..2c9348c 100644
--- a/libs/hwui/renderthread/CanvasContext.h
+++ b/libs/hwui/renderthread/CanvasContext.h
@@ -32,6 +32,7 @@
 
 class DeferredLayerUpdater;
 class DisplayList;
+class DisplayListData;
 class OpenGLRenderer;
 class Rect;
 
@@ -62,6 +63,7 @@
     bool initialize(EGLNativeWindowType window);
     void updateSurface(EGLNativeWindowType window);
     void setup(int width, int height);
+    void swapDisplayListData(DisplayList* displayList, DisplayListData* newData);
     void processLayerUpdates(const Vector<DeferredLayerUpdater*>* layerUpdaters);
     void drawDisplayList(DisplayList* displayList, Rect* dirty);
     void destroyCanvas();
diff --git a/libs/hwui/renderthread/RenderProxy.cpp b/libs/hwui/renderthread/RenderProxy.cpp
index 0c667fd..c3bf404 100644
--- a/libs/hwui/renderthread/RenderProxy.cpp
+++ b/libs/hwui/renderthread/RenderProxy.cpp
@@ -117,6 +117,20 @@
     post(task);
 }
 
+CREATE_BRIDGE3(swapDisplayListData, CanvasContext* context, DisplayList* displayList,
+        DisplayListData* newData) {
+    args->context->swapDisplayListData(args->displayList, args->newData);
+    return NULL;
+}
+
+void RenderProxy::swapDisplayListData(DisplayList* displayList, DisplayListData* newData) {
+    SETUP_TASK(swapDisplayListData);
+    args->context = mContext;
+    args->displayList = displayList;
+    args->newData = newData;
+    post(task);
+}
+
 CREATE_BRIDGE4(drawDisplayList, CanvasContext* context, DisplayList* displayList,
         Rect dirty, const Vector<DeferredLayerUpdater*>* layerUpdates) {
     Rect* dirty = &args->dirty;
diff --git a/libs/hwui/renderthread/RenderProxy.h b/libs/hwui/renderthread/RenderProxy.h
index 8ff3d63..0934b98 100644
--- a/libs/hwui/renderthread/RenderProxy.h
+++ b/libs/hwui/renderthread/RenderProxy.h
@@ -33,6 +33,7 @@
 
 class DeferredLayerUpdater;
 class DisplayList;
+class DisplayListData;
 class Layer;
 class Rect;
 
@@ -59,6 +60,7 @@
     ANDROID_API bool initialize(EGLNativeWindowType window);
     ANDROID_API void updateSurface(EGLNativeWindowType window);
     ANDROID_API void setup(int width, int height);
+    ANDROID_API void swapDisplayListData(DisplayList* displayList, DisplayListData* newData);
     ANDROID_API void drawDisplayList(DisplayList* displayList,
             int dirtyLeft, int dirtyTop, int dirtyRight, int dirtyBottom);
     ANDROID_API void destroyCanvas();