Unbind root script around load activities to prevent commands from being delayed due to swap buffers.

Change-Id: I9720fbe936d3cd336ca39235d0a1bba9e10d137a

1 files changed, 200 insertions, 188 deletions

diff --git a/src/com/android/launcher2/AllApps3D.java b/src/com/android/launcher2/AllApps3D.java
index e59fa6cb1..d97788568 100644
--- a/src/com/android/launcher2/AllApps3D.java
+++ b/src/com/android/launcher2/AllApps3D.java
@@ -88,7 +88,7 @@ public class AllApps3D extends RSSurfaceView
 
     private static RenderScriptGL mRS;
     private static RolloRS mRollo;
-    
+
     /**
      * True when we are using arrow keys or trackball to drive navigation
      */
@@ -100,21 +100,21 @@ public class AllApps3D extends RSSurfaceView
      * One of the SELECTION_ constants.
      */
     private int mLastSelection;
-    
+
     /**
      * Used to keep track of the selection when AllAppsView loses window focus
      */
     private int mLastSelectedIcon;
-    
+
     private VelocityTracker mVelocityTracker;
     private int mTouchTracking;
     private int mMotionDownRawX;
     private int mMotionDownRawY;
     private int mDownIconIndex = -1;
     private int mCurrentIconIndex = -1;
-    
+
     private boolean mShouldGainFocus;
-    
+
     private boolean mHaveSurface = false;
     private boolean mZoomDirty = false;
     private boolean mAnimateNextZoom;
@@ -123,7 +123,7 @@ public class AllApps3D extends RSSurfaceView
     private float mPosX;
     private float mVelocity;
     private AAMessage mMessageProc;
-    
+
     private int mColumnsPerPage;
     private int mRowsPerPage;
     private boolean mSurrendered;
@@ -135,22 +135,22 @@ public class AllApps3D extends RSSurfaceView
         public static final int ALLOC_ICON_IDS = 3;
         public static final int ALLOC_LABEL_IDS = 4;
         public static final int ALLOC_VP_CONSTANTS = 5;
-    
+
         public static final int COLUMNS_PER_PAGE_PORTRAIT = 4;
         public static final int ROWS_PER_PAGE_PORTRAIT = 4;
-    
+
         public static final int COLUMNS_PER_PAGE_LANDSCAPE = 6;
         public static final int ROWS_PER_PAGE_LANDSCAPE = 3;
-        
+
         public static final int ICON_WIDTH_PX = 64;
         public static final int ICON_TEXTURE_WIDTH_PX = 74;
         public static final int SELECTION_TEXTURE_WIDTH_PX = 74 + 20;
-    
+
         public static final int ICON_HEIGHT_PX = 64;
         public static final int ICON_TEXTURE_HEIGHT_PX = 74;
         public static final int SELECTION_TEXTURE_HEIGHT_PX = 74 + 20;
     }
-    
+
     public AllApps3D(Context context, AttributeSet attrs) {
         super(context, attrs);
         setFocusable(true);
@@ -159,12 +159,12 @@ public class AllApps3D extends RSSurfaceView
         final ViewConfiguration config = ViewConfiguration.get(context);
         mSlop = config.getScaledTouchSlop();
         mMaxFlingVelocity = config.getScaledMaximumFlingVelocity();
-    
+
         setOnClickListener(this);
         setOnLongClickListener(this);
         setZOrderOnTop(true);
         getHolder().setFormat(PixelFormat.TRANSLUCENT);
-    
+
         if (mRS == null) {
             mRS = createRenderScript(true);
         } else {
@@ -184,12 +184,12 @@ public class AllApps3D extends RSSurfaceView
             mRollo.mInitialize = true;
         }
     }
-    
+
     @SuppressWarnings({"UnusedDeclaration"})
     public AllApps3D(Context context, AttributeSet attrs, int defStyle) {
         this(context, attrs);
     }
-    
+
     public void surrender() {
         mRS.contextSetSurface(0, 0, null);
         mRS.mMessageCallback = null;
@@ -207,7 +207,7 @@ public class AllApps3D extends RSSurfaceView
             mRS = null;
         }
     }
-    
+
     /**
      * If you have an attached click listener, View always plays the click sound!?!?
      * Deal with sound effects by hand.
@@ -218,11 +218,11 @@ public class AllApps3D extends RSSurfaceView
         playSoundEffect(sound);
         setSoundEffectsEnabled(old);
     }
-    
+
     public void setLauncher(Launcher launcher) {
         mLauncher = launcher;
     }
-    
+
     @Override
     public void surfaceDestroyed(SurfaceHolder holder) {
         super.surfaceDestroyed(holder);
@@ -235,17 +235,17 @@ public class AllApps3D extends RSSurfaceView
         mZoomDirty = true;
         mHaveSurface = false;
     }
-    
+
     @Override
     public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
         //long startTime = SystemClock.uptimeMillis();
-    
+
         super.surfaceChanged(holder, format, w, h);
-        
+
         if (mSurrendered) return;
-    
+
         mHaveSurface = true;
-    
+
         if (mRollo == null) {
             mRollo = new RolloRS(this);
             mRollo.init(getResources(), w, h);
@@ -261,14 +261,14 @@ public class AllApps3D extends RSSurfaceView
             mRollo.initTouchState(w, h);
             mRollo.mInitialize = false;
         }
-        
+
         mRollo.dirtyCheck();
         mRollo.resize(w, h);
-    
+
         if (mRS != null) {
             mRS.mMessageCallback = mMessageProc = new AAMessage();
         }
-    
+
         if (mRollo.mUniformAlloc != null) {
             float tf[] = new float[] {72.f, 72.f,
                                       120.f, 120.f, 0.f, 0.f,
@@ -281,20 +281,20 @@ public class AllApps3D extends RSSurfaceView
                 tf[10] = -((float)w / 2) - 0.25f;
                 tf[11] = -((float)h / 2) - 0.25f;
             }
-    
+
             mRollo.mUniformAlloc.data(tf);
         }
-    
+
         //long endTime = SystemClock.uptimeMillis();
         //Log.d(TAG, "surfaceChanged took " + (endTime-startTime) + "ms");
     }
-    
+
     @Override
     public void onWindowFocusChanged(boolean hasWindowFocus) {
         super.onWindowFocusChanged(hasWindowFocus);
 
         if (mSurrendered) return;
-        
+
         if (mArrowNavigation) {
             if (!hasWindowFocus) {
                 // Clear selection when we lose window focus
@@ -315,7 +315,7 @@ public class AllApps3D extends RSSurfaceView
                                     (mColumnsPerPage * mRowsPerPage)) {
                             selection = firstIcon;
                         }
-    
+
                         // Select the first icon when we gain window focus
                         mRollo.selectIcon(selection, SELECTED_FOCUSED);
                         mRollo.mState.save();
@@ -327,15 +327,15 @@ public class AllApps3D extends RSSurfaceView
             }
         }
     }
-    
+
     @Override
     protected void onFocusChanged(boolean gainFocus, int direction, Rect previouslyFocusedRect) {
         super.onFocusChanged(gainFocus, direction, previouslyFocusedRect);
-    
+
         if (!isVisible() || mSurrendered) {
             return;
         }
-    
+
         if (gainFocus) {
             if (mRollo != null) {
                 gainFocus();
@@ -356,7 +356,7 @@ public class AllApps3D extends RSSurfaceView
             }
         }
     }
-    
+
     private void gainFocus() {
         if (!mArrowNavigation && mRollo.mState.iconCount > 0) {
             // Select the first icon when we gain keyboard focus
@@ -366,17 +366,17 @@ public class AllApps3D extends RSSurfaceView
             mRollo.mState.save();
         }
     }
-    
+
     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
-    
+
         boolean handled = false;
-    
+
         if (!isVisible()) {
             return false;
         }
         final int iconCount = mRollo.mState.iconCount;
-    
+
         if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER || keyCode == KeyEvent.KEYCODE_ENTER) {
             if (mArrowNavigation) {
                 if (mLastSelection == SELECTION_HOME) {
@@ -392,22 +392,22 @@ public class AllApps3D extends RSSurfaceView
                 }
             }
         }
-    
+
         if (iconCount > 0) {
             mArrowNavigation = true;
-    
+
             int currentSelection = mRollo.mState.selectedIconIndex;
             int currentTopRow = Math.round(mPosX);
-    
+
             // The column of the current selection, in the range 0..COLUMNS_PER_PAGE_PORTRAIT-1
             final int currentPageCol = currentSelection % mColumnsPerPage;
-    
+
             // The row of the current selection, in the range 0..ROWS_PER_PAGE_PORTRAIT-1
             final int currentPageRow = (currentSelection - (currentTopRow* mColumnsPerPage))
                     / mRowsPerPage;
-    
+
             int newSelection = currentSelection;
-    
+
             switch (keyCode) {
             case KeyEvent.KEYCODE_DPAD_UP:
                 if (mLastSelection == SELECTION_HOME) {
@@ -440,7 +440,7 @@ public class AllApps3D extends RSSurfaceView
                 }
                 handled = true;
                 break;
-    
+
             case KeyEvent.KEYCODE_DPAD_DOWN: {
                 final int rowCount = iconCount / mColumnsPerPage
                         + (iconCount % mColumnsPerPage == 0 ? 0 : 1);
@@ -496,25 +496,25 @@ public class AllApps3D extends RSSurfaceView
         }
         return handled;
     }
-    
+
     @Override
     public boolean onTouchEvent(MotionEvent ev)
     {
         mArrowNavigation = false;
-    
+
         if (!isVisible()) {
             return true;
         }
-    
+
         if (mLocks != 0) {
             return true;
         }
-    
+
         super.onTouchEvent(ev);
-    
+
         int x = (int)ev.getX();
         int y = (int)ev.getY();
-    
+
         final boolean isPortrait = getWidth() < getHeight();
         int action = ev.getAction();
         switch (action) {
@@ -527,13 +527,13 @@ public class AllApps3D extends RSSurfaceView
                 mCurrentIconIndex = -1;
             } else {
                 mTouchTracking = TRACKING_FLING;
-    
+
                 mMotionDownRawX = (int)ev.getRawX();
                 mMotionDownRawY = (int)ev.getRawY();
-    
+
                 mRollo.mState.newPositionX = ev.getRawY() / getHeight();
                 mRollo.mState.newTouchDown = 1;
-    
+
                 if (!mRollo.checkClickOK()) {
                     mRollo.clearSelectedIcon();
                 } else {
@@ -563,7 +563,7 @@ public class AllApps3D extends RSSurfaceView
                 int rawY = (int)ev.getRawY();
                 int slop;
                 slop = Math.abs(rawY - mMotionDownRawY);
-    
+
                 if (!mStartedScrolling && slop < mSlop) {
                     // don't update anything so when we do start scrolling
                     // below, we get the right delta.
@@ -582,7 +582,7 @@ public class AllApps3D extends RSSurfaceView
                     mRollo.mState.newPositionX = ev.getRawY() / getHeight();
                     mRollo.mState.newTouchDown = 1;
                     mRollo.move();
-    
+
                     mStartedScrolling = true;
                     mRollo.clearSelectedIcon();
                     mVelocityTracker.addMovement(ev);
@@ -606,13 +606,13 @@ public class AllApps3D extends RSSurfaceView
             } else if (mTouchTracking == TRACKING_FLING) {
                 mRollo.mState.newTouchDown = 0;
                 mRollo.mState.newPositionX = ev.getRawY() / getHeight();
-    
+
                 mVelocityTracker.computeCurrentVelocity(1000 /* px/sec */, mMaxFlingVelocity);
                 mRollo.mState.flingVelocity = mVelocityTracker.getYVelocity() / getHeight();
                 mRollo.clearSelectedIcon();
                 mRollo.mState.save();
                 mRollo.fling();
-    
+
                 if (mVelocityTracker != null) {
                     mVelocityTracker.recycle();
                     mVelocityTracker = null;
@@ -621,10 +621,10 @@ public class AllApps3D extends RSSurfaceView
             mTouchTracking = TRACKING_NONE;
             break;
         }
-    
+
         return true;
     }
-    
+
     public void onClick(View v) {
         if (mLocks != 0 || !isVisible()) {
             return;
@@ -636,7 +636,7 @@ public class AllApps3D extends RSSurfaceView
             mLauncher.startActivitySafely(app.intent);
         }
     }
-    
+
     public boolean onLongClick(View v) {
         if (mLocks != 0 || !isVisible()) {
             return true;
@@ -644,23 +644,23 @@ public class AllApps3D extends RSSurfaceView
         if (mRollo.checkClickOK() && mCurrentIconIndex == mDownIconIndex
                 && mCurrentIconIndex >= 0 && mCurrentIconIndex < mAllAppsList.size()) {
             ApplicationInfo app = mAllAppsList.get(mCurrentIconIndex);
-    
+
             Bitmap bmp = app.iconBitmap;
             final int w = bmp.getWidth();
             final int h = bmp.getHeight();
-    
+
             // We don't really have an accurate location to use.  This will do.
             int screenX = mMotionDownRawX - (w / 2);
             int screenY = mMotionDownRawY - h;
-    
+
             mDragController.startDrag(bmp, screenX, screenY,
                     0, 0, w, h, this, app, DragController.DRAG_ACTION_COPY);
-    
+
             mLauncher.closeAllApps(true);
         }
         return true;
     }
-    
+
     @Override
     public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
         if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_SELECTED) {
@@ -697,14 +697,14 @@ public class AllApps3D extends RSSurfaceView
         }
         return false;
     }
-    
+
     public void setDragController(DragController dragger) {
         mDragController = dragger;
     }
-    
+
     public void onDropCompleted(View target, boolean success) {
     }
-    
+
     /**
      * Zoom to the specifed level.
      *
@@ -723,15 +723,15 @@ public class AllApps3D extends RSSurfaceView
             mRollo.setZoom(zoom, animate);
         }
     }
-    
+
     public boolean isVisible() {
         return mZoom > 0.001f;
     }
-    
+
     public boolean isOpaque() {
         return mZoom > 0.999f;
     }
-    
+
     public void setApps(ArrayList<ApplicationInfo> list) {
         if (mRS == null) {
             // We've been removed from the window.  Don't bother with all this.
@@ -752,14 +752,14 @@ public class AllApps3D extends RSSurfaceView
                 }
             }
         }
-        
+
         mAllAppsList = list;
         if (mRollo != null && reload) {
             mRollo.setApps(list);
         }
         mLocks &= ~LOCK_ICONS_PENDING;
     }
-    
+
     public void addApps(ArrayList<ApplicationInfo> list) {
         if (mAllAppsList == null) {
             // Not done loading yet.  We'll find out about it later.
@@ -769,12 +769,13 @@ public class AllApps3D extends RSSurfaceView
             // We've been removed from the window.  Don't bother with all this.
             return;
         }
-    
+
         final int N = list.size();
         if (mRollo != null) {
+            mRollo.pause();
             mRollo.reallocAppsList(mRollo.mState.iconCount + N);
         }
-    
+
         for (int i=0; i<N; i++) {
             final ApplicationInfo item = list.get(i);
             int index = Collections.binarySearch(mAllAppsList, item,
@@ -787,18 +788,22 @@ public class AllApps3D extends RSSurfaceView
                 mRollo.addApp(index, item);
             }
         }
-    
+
         if (mRollo != null) {
             mRollo.saveAppsList();
+            mRollo.resume();
         }
     }
-    
+
     public void removeApps(ArrayList<ApplicationInfo> list) {
         if (mAllAppsList == null) {
             // Not done loading yet.  We'll find out about it later.
             return;
         }
-    
+
+        if (mRollo != null) {
+            mRollo.pause();
+        }
         final int N = list.size();
         for (int i=0; i<N; i++) {
             final ApplicationInfo item = list.get(i);
@@ -813,18 +818,19 @@ public class AllApps3D extends RSSurfaceView
                 // Try to recover.  This should keep us from crashing for now.
             }
         }
-    
+
         if (mRollo != null) {
             mRollo.saveAppsList();
+            mRollo.resume();
         }
     }
-    
+
     public void updateApps(ArrayList<ApplicationInfo> list) {
         // Just remove and add, because they may need to be re-sorted.
         removeApps(list);
         addApps(list);
     }
-    
+
     private static int findAppByComponent(ArrayList<ApplicationInfo> list, ApplicationInfo item) {
         ComponentName component = item.intent.getComponent();
         final int N = list.size();
@@ -836,7 +842,7 @@ public class AllApps3D extends RSSurfaceView
         }
         return -1;
     }
-    
+
     /*
     private static int countPages(int iconCount) {
         int iconsPerPage = getColumnsCount() * Defines.ROWS_PER_PAGE_PORTRAIT;
@@ -856,12 +862,12 @@ public class AllApps3D extends RSSurfaceView
             mZoomDirty = false;
         }
     }
-    
+
     public static class RolloRS {
         // Allocations ======
         private int mWidth;
         private int mHeight;
-    
+
         private Resources mRes;
         private Script mScript;
         private Script.Invokable mInvokeMove;
@@ -869,7 +875,7 @@ public class AllApps3D extends RSSurfaceView
         private Script.Invokable mInvokeFling;
         private Script.Invokable mInvokeResetWAR;
         private Script.Invokable mInvokeSetZoom;
-    
+
         private ProgramStore mPSIcons;
         private ProgramFragment mPFTexMip;
         private ProgramFragment mPFTexMipAlpha;
@@ -878,48 +884,56 @@ public class AllApps3D extends RSSurfaceView
         private ProgramVertex mPVCurve;
         private SimpleMesh mMesh;
         private ProgramVertex.MatrixAllocation mPVA;
-    
+
         private Allocation mUniformAlloc;
-    
+
         private Allocation mHomeButtonNormal;
         private Allocation mHomeButtonFocused;
         private Allocation mHomeButtonPressed;
-    
+
         private Allocation[] mIcons;
         private int[] mIconIds;
         private Allocation mAllocIconIds;
-    
+
         private Allocation[] mLabels;
         private int[] mLabelIds;
         private Allocation mAllocLabelIds;
         private Allocation mSelectedIcon;
-    
+
         private int[] mTouchYBorders;
         private int[] mTouchXBorders;
-    
+
         private Bitmap mSelectionBitmap;
         private Canvas mSelectionCanvas;
-    
+
         Params mParams;
         State mState;
-        
+
         AllApps3D mAllApps;
         boolean mInitialize;
 
         class BaseAlloc {
             Allocation mAlloc;
             Type mType;
-    
+
             void save() {
                 mAlloc.data(this);
             }
         }
-    
+
         private boolean checkClickOK() {
             return (Math.abs(mAllApps.mVelocity) < 0.4f) &&
                    (Math.abs(mAllApps.mPosX - Math.round(mAllApps.mPosX)) < 0.4f);
         }
-    
+
+        void pause() {
+            mRS.contextBindRootScript(null);
+        }
+
+        void resume() {
+            mRS.contextBindRootScript(mScript);
+        }
+
         class Params extends BaseAlloc {
             Params() {
                 mType = Type.createFromClass(mRS, Params.class, 1, "ParamsClass");
@@ -930,13 +944,13 @@ public class AllApps3D extends RSSurfaceView
             public int bubbleHeight;
             public int bubbleBitmapWidth;
             public int bubbleBitmapHeight;
-    
+
             public int homeButtonWidth;
             public int homeButtonHeight;
             public int homeButtonTextureWidth;
             public int homeButtonTextureHeight;
         }
-    
+
         class State extends BaseAlloc {
             public float newPositionX;
             public int newTouchDown;
@@ -947,18 +961,18 @@ public class AllApps3D extends RSSurfaceView
             public float zoomTarget;
             public int homeButtonId;
             public float targetPos;
-    
+
             State() {
                 mType = Type.createFromClass(mRS, State.class, 1, "StateClass");
                 mAlloc = Allocation.createTyped(mRS, mType);
                 save();
             }
         }
-    
+
         public RolloRS(AllApps3D allApps) {
             mAllApps = allApps;
         }
-    
+
         public void init(Resources res, int width, int height) {
             mRes = res;
             mWidth = width;
@@ -971,10 +985,10 @@ public class AllApps3D extends RSSurfaceView
             initTouchState(width, height);
             initRs();
         }
-    
+
         public void initMesh() {
             SimpleMesh.TriangleMeshBuilder tm = new SimpleMesh.TriangleMeshBuilder(mRS, 2, 0);
-    
+
             for (int ct=0; ct < 16; ct++) {
                 float pos = (1.f / (16.f - 1)) * ct;
                 tm.addVertex(0.0f, pos);
@@ -987,55 +1001,55 @@ public class AllApps3D extends RSSurfaceView
             mMesh = tm.create();
             mMesh.setName("SMCell");
         }
-    
+
         void resize(int w, int h) {
             mPVA.setupProjectionNormalized(w, h);
             mWidth = w;
             mHeight = h;
         }
-    
+
         private void initProgramVertex() {
             mPVA = new ProgramVertex.MatrixAllocation(mRS);
             resize(mWidth, mHeight);
-    
+
             ProgramVertex.Builder pvb = new ProgramVertex.Builder(mRS, null, null);
             pvb.setTextureMatrixEnable(true);
             mPV = pvb.create();
             mPV.setName("PV");
             mPV.bindAllocation(mPVA);
-    
+
             Element.Builder eb = new Element.Builder(mRS);
             eb.add(Element.createVector(mRS, Element.DataType.FLOAT_32, 2), "ImgSize");
             eb.add(Element.createVector(mRS, Element.DataType.FLOAT_32, 4), "Position");
             eb.add(Element.createVector(mRS, Element.DataType.FLOAT_32, 2), "BendPos");
             eb.add(Element.createVector(mRS, Element.DataType.FLOAT_32, 4), "ScaleOffset");
             Element e = eb.create();
-    
+
             mUniformAlloc = Allocation.createSized(mRS, e, 1);
-    
+
             initMesh();
             ProgramVertex.ShaderBuilder sb = new ProgramVertex.ShaderBuilder(mRS);
             String t = "void main() {\n" +
                     // Animation
                     "  float ani = UNI_Position.z;\n" +
-    
+
                     "  float bendY1 = UNI_BendPos.x;\n" +
                     "  float bendY2 = UNI_BendPos.y;\n" +
                     "  float bendAngle = 47.0 * (3.14 / 180.0);\n" +
                     "  float bendDistance = bendY1 * 0.4;\n" +
                     "  float distanceDimLevel = 0.6;\n" +
-    
+
                     "  float bendStep = (bendAngle / bendDistance) * (bendAngle * 0.5);\n" +
                     "  float aDy = cos(bendAngle);\n" +
                     "  float aDz = sin(bendAngle);\n" +
-    
+
                     "  float scale = (2.0 / 480.0);\n" +
                     "  float x = UNI_Position.x + UNI_ImgSize.x * (1.0 - ani) * (ATTRIB_position.x - 0.5);\n" +
                     "  float ys= UNI_Position.y + UNI_ImgSize.y * (1.0 - ani) * ATTRIB_position.y;\n" +
                     "  float y = 0.0;\n" +
                     "  float z = 0.0;\n" +
                     "  float lum = 1.0;\n" +
-    
+
                     "  float cv = min(ys, bendY1 - bendDistance) - (bendY1 - bendDistance);\n" +
                     "  y += cv * aDy;\n" +
                     "  z += -cv * aDz;\n" +
@@ -1043,7 +1057,7 @@ public class AllApps3D extends RSSurfaceView
                     "  lum += cv / bendDistance * distanceDimLevel;\n" +
                     "  y += cv * cos(cv * bendStep);\n" +
                     "  z += cv * sin(cv * bendStep);\n" +
-    
+
                     "  cv = max(ys, bendY2 + bendDistance) - (bendY2 + bendDistance);\n" +
                     "  y += cv * aDy;\n" +
                     "  z += cv * aDz;\n" +
@@ -1051,20 +1065,20 @@ public class AllApps3D extends RSSurfaceView
                     "  lum -= cv / bendDistance * distanceDimLevel;\n" +
                     "  y += cv * cos(cv * bendStep);\n" +
                     "  z += cv * sin(cv * bendStep);\n" +
-    
+
                     "  y += clamp(ys, bendY1, bendY2);\n" +
-    
+
                     "  vec4 pos;\n" +
                     "  pos.x = (x + UNI_ScaleOffset.z) * UNI_ScaleOffset.x;\n" +
                     "  pos.y = (y + UNI_ScaleOffset.w) * UNI_ScaleOffset.x;\n" +
                     "  pos.z = z * UNI_ScaleOffset.x;\n" +
                     "  pos.w = 1.0;\n" +
-    
+
                     "  pos.x *= 1.0 + ani * 4.0;\n" +
                     "  pos.y *= 1.0 + ani * 4.0;\n" +
                     "  pos.z -= ani * 1.5;\n" +
                     "  lum *= 1.0 - ani;\n" +
-    
+
                     "  gl_Position = UNI_MVP * pos;\n" +
                     "  varColor.rgba = vec4(lum, lum, lum, 1.0);\n" +
                     "  varTex0.xy = ATTRIB_position;\n" +
@@ -1078,10 +1092,10 @@ public class AllApps3D extends RSSurfaceView
             mPVCurve.setName("PVCurve");
             mPVCurve.bindAllocation(mPVA);
             mPVCurve.bindConstants(mUniformAlloc, 1);
-    
+
             mRS.contextBindProgramVertex(mPV);
         }
-    
+
         private void initProgramFragment() {
             Sampler.Builder sb = new Sampler.Builder(mRS);
             sb.setMin(Sampler.Value.LINEAR_MIP_LINEAR);
@@ -1089,30 +1103,30 @@ public class AllApps3D extends RSSurfaceView
             sb.setWrapS(Sampler.Value.CLAMP);
             sb.setWrapT(Sampler.Value.CLAMP);
             Sampler linear = sb.create();
-    
+
             sb.setMin(Sampler.Value.NEAREST);
             sb.setMag(Sampler.Value.NEAREST);
             Sampler nearest = sb.create();
-    
+
             ProgramFragment.Builder bf = new ProgramFragment.Builder(mRS);
             bf.setTexture(ProgramFragment.Builder.EnvMode.MODULATE,
                           ProgramFragment.Builder.Format.RGBA, 0);
             mPFTexMip = bf.create();
             mPFTexMip.setName("PFTexMip");
             mPFTexMip.bindSampler(linear, 0);
-    
+
             mPFTexNearest = bf.create();
             mPFTexNearest.setName("PFTexNearest");
             mPFTexNearest.bindSampler(nearest, 0);
-    
+
             bf.setTexture(ProgramFragment.Builder.EnvMode.MODULATE,
                           ProgramFragment.Builder.Format.ALPHA, 0);
             mPFTexMipAlpha = bf.create();
             mPFTexMipAlpha.setName("PFTexMipAlpha");
             mPFTexMipAlpha.bindSampler(linear, 0);
-    
+
         }
-    
+
         private void initProgramStore() {
             ProgramStore.Builder bs = new ProgramStore.Builder(mRS, null, null);
             bs.setDepthFunc(ProgramStore.DepthFunc.ALWAYS);
@@ -1123,23 +1137,23 @@ public class AllApps3D extends RSSurfaceView
             mPSIcons = bs.create();
             mPSIcons.setName("PSIcons");
         }
-    
+
         private void initGl() {
             mTouchXBorders = new int[mAllApps.mColumnsPerPage + 1];
             mTouchYBorders = new int[mAllApps.mRowsPerPage + 1];
         }
-    
+
         private void initData() {
             mParams = new Params();
             mState = new State();
-    
+
             final Utilities.BubbleText bubble = new Utilities.BubbleText(mAllApps.getContext());
-    
+
             mParams.bubbleWidth = bubble.getBubbleWidth();
             mParams.bubbleHeight = bubble.getMaxBubbleHeight();
             mParams.bubbleBitmapWidth = bubble.getBitmapWidth();
             mParams.bubbleBitmapHeight = bubble.getBitmapHeight();
-    
+
             mHomeButtonNormal = Allocation.createFromBitmapResource(mRS, mRes,
                     R.drawable.home_button_normal, Element.RGBA_8888(mRS), false);
             mHomeButtonNormal.uploadToTexture(0);
@@ -1153,19 +1167,19 @@ public class AllApps3D extends RSSurfaceView
             mParams.homeButtonHeight = 68;
             mParams.homeButtonTextureWidth = 128;
             mParams.homeButtonTextureHeight = 128;
-    
+
             mState.homeButtonId = mHomeButtonNormal.getID();
-    
+
             mParams.save();
             mState.save();
-    
+
             mSelectionBitmap = Bitmap.createBitmap(Defines.SELECTION_TEXTURE_WIDTH_PX,
                     Defines.SELECTION_TEXTURE_HEIGHT_PX, Bitmap.Config.ARGB_8888);
             mSelectionCanvas = new Canvas(mSelectionBitmap);
-    
+
             setApps(null);
         }
-    
+
         private void initRs() {
             ScriptC.Builder sb = new ScriptC.Builder(mRS);
             sb.setScript(mRes, R.raw.allapps);
@@ -1186,32 +1200,33 @@ public class AllApps3D extends RSSurfaceView
             mScript.bindAllocation(mAllocIconIds, Defines.ALLOC_ICON_IDS);
             mScript.bindAllocation(mAllocLabelIds, Defines.ALLOC_LABEL_IDS);
             mScript.bindAllocation(mUniformAlloc, Defines.ALLOC_VP_CONSTANTS);
-    
+
             mRS.contextBindRootScript(mScript);
         }
-    
+
         void dirtyCheck() {
             if (mAllApps.mZoomDirty) {
                 setZoom(mAllApps.mNextZoom, mAllApps.mAnimateNextZoom);
             }
         }
-    
+
         @SuppressWarnings({"ConstantConditions"})
         private void setApps(ArrayList<ApplicationInfo> list) {
+            mRollo.pause();
             final int count = list != null ? list.size() : 0;
             int allocCount = count;
             if (allocCount < 1) {
                 allocCount = 1;
             }
-    
+
             mIcons = new Allocation[count];
             mIconIds = new int[allocCount];
             mAllocIconIds = Allocation.createSized(mRS, Element.USER_I32(mRS), allocCount);
-    
+
             mLabels = new Allocation[count];
             mLabelIds = new int[allocCount];
             mAllocLabelIds = Allocation.createSized(mRS, Element.USER_I32(mRS), allocCount);
-    
+
             mState.iconCount = count;
             for (int i=0; i < mState.iconCount; i++) {
                 createAppIconAllocations(i, list.get(i));
@@ -1220,8 +1235,9 @@ public class AllApps3D extends RSSurfaceView
                 uploadAppIcon(i, list.get(i));
             }
             saveAppsList();
+            mRollo.resume();
         }
-    
+
         private void setZoom(float zoom, boolean animate) {
             mRollo.clearSelectedIcon();
             mRollo.setHomeSelected(SELECTED_NONE);
@@ -1235,7 +1251,7 @@ public class AllApps3D extends RSSurfaceView
                 mRollo.mInvokeSetZoom.execute();
             }
         }
-    
+
         private void createAppIconAllocations(int index, ApplicationInfo item) {
             mIcons[index] = Allocation.createFromBitmap(mRS, item.iconBitmap,
                     Element.RGBA_8888(mRS), false);
@@ -1244,7 +1260,7 @@ public class AllApps3D extends RSSurfaceView
             mIconIds[index] = mIcons[index].getID();
             mLabelIds[index] = mLabels[index].getID();
         }
-    
+
         private void uploadAppIcon(int index, ApplicationInfo item) {
             if (mIconIds[index] != mIcons[index].getID()) {
                 throw new IllegalStateException("uploadAppIcon index=" + index
@@ -1255,7 +1271,7 @@ public class AllApps3D extends RSSurfaceView
             mIcons[index].uploadToTexture(true, 0);
             mLabels[index].uploadToTexture(true, 0);
         }
-    
+
         /**
          * Puts the empty spaces at the end.  Updates mState.iconCount.  You must
          * fill in the values and call saveAppsList().
@@ -1264,88 +1280,84 @@ public class AllApps3D extends RSSurfaceView
             Allocation[] icons = new Allocation[count];
             int[] iconIds = new int[count];
             mAllocIconIds = Allocation.createSized(mRS, Element.USER_I32(mRS), count);
-    
+
             Allocation[] labels = new Allocation[count];
             int[] labelIds = new int[count];
             mAllocLabelIds = Allocation.createSized(mRS, Element.USER_I32(mRS), count);
-    
+
             final int oldCount = mRollo.mState.iconCount;
-    
+
             System.arraycopy(mIcons, 0, icons, 0, oldCount);
             System.arraycopy(mIconIds, 0, iconIds, 0, oldCount);
             System.arraycopy(mLabels, 0, labels, 0, oldCount);
             System.arraycopy(mLabelIds, 0, labelIds, 0, oldCount);
-    
+
             mIcons = icons;
             mIconIds = iconIds;
             mLabels = labels;
             mLabelIds = labelIds;
         }
-    
+
         /**
          * Handle the allocations for the new app.  Make sure you call saveAppsList when done.
          */
         private void addApp(int index, ApplicationInfo item) {
             final int count = mState.iconCount - index;
             final int dest = index + 1;
-    
+
             System.arraycopy(mIcons, index, mIcons, dest, count);
             System.arraycopy(mIconIds, index, mIconIds, dest, count);
             System.arraycopy(mLabels, index, mLabels, dest, count);
             System.arraycopy(mLabelIds, index, mLabelIds, dest, count);
-    
+
             createAppIconAllocations(index, item);
             uploadAppIcon(index, item);
             mRollo.mState.iconCount++;
         }
-    
+
         /**
          * Handle the allocations for the removed app.  Make sure you call saveAppsList when done.
          */
         private void removeApp(int index) {
             final int count = mState.iconCount - index - 1;
             final int src = index + 1;
-    
+
             System.arraycopy(mIcons, src, mIcons, index, count);
             System.arraycopy(mIconIds, src, mIconIds, index, count);
             System.arraycopy(mLabels, src, mLabels, index, count);
             System.arraycopy(mLabelIds, src, mLabelIds, index, count);
-    
+
             mRollo.mState.iconCount--;
             final int last = mState.iconCount;
-    
+
             mIcons[last] = null;
             mIconIds[last] = 0;
             mLabels[last] = null;
             mLabelIds[last] = 0;
         }
-    
+
         /**
          * Send the apps list structures to RS.
          */
         private void saveAppsList() {
             // WTF: how could mScript be not null but mAllocIconIds null b/2460740.
             if (mScript != null && mAllocIconIds != null) {
-                mRS.contextBindRootScript(null);
-    
                 mAllocIconIds.data(mIconIds);
                 mAllocLabelIds.data(mLabelIds);
-    
+
                 mScript.bindAllocation(mAllocIconIds, Defines.ALLOC_ICON_IDS);
                 mScript.bindAllocation(mAllocLabelIds, Defines.ALLOC_LABEL_IDS);
-    
+
                 mState.save();
-    
+
                 // Note: mScript may be null if we haven't initialized it yet.
                 // In that case, this is a no-op.
                 if (mInvokeResetWAR != null) {
                     mInvokeResetWAR.execute();
                 }
-    
-                mRS.contextBindRootScript(mScript);
             }
         }
-    
+
         void initTouchState(int width, int height) {
             boolean isPortrait = width < height;
 
@@ -1356,7 +1368,7 @@ public class AllApps3D extends RSSurfaceView
             if (!isPortrait) centerY += cellHeight / 2;
             int half = (int) Math.floor((mAllApps.mRowsPerPage + 1) / 2);
             int end = mTouchYBorders.length - (half + 1);
-    
+
             for (int i = -half; i <= end; i++) {
                 mTouchYBorders[i + half] = centerY + i * cellHeight;
             }
@@ -1369,25 +1381,25 @@ public class AllApps3D extends RSSurfaceView
                 x += columnWidth;
             }
         }
-    
+
         void fling() {
             mInvokeFling.execute();
         }
-    
+
         void move() {
             mInvokeMove.execute();
         }
-    
+
         void moveTo(float row) {
             mState.targetPos = row;
             mState.save();
             mInvokeMoveTo.execute();
         }
-    
+
         int chooseTappedIcon(int x, int y, float pos) {
             // Adjust for scroll position if not zero.
             y += (pos - ((int)pos)) * (mTouchYBorders[1] - mTouchYBorders[0]);
-    
+
             int col = -1;
             int row = -1;
             final int columnsCount = mAllApps.mColumnsPerPage;
@@ -1404,20 +1416,20 @@ public class AllApps3D extends RSSurfaceView
                     break;
                 }
             }
-    
+
             if (row < 0 || col < 0) {
                 return -1;
             }
-    
+
             int index = (((int)pos) * columnsCount) + (row * columnsCount) + col;
-    
+
             if (index >= mState.iconCount) {
                 return -1;
             } else {
                 return index;
             }
         }
-    
+
         /**
          * You need to call save() on mState on your own after calling this.
          *
@@ -1428,7 +1440,7 @@ public class AllApps3D extends RSSurfaceView
             selectIcon(index, pressed);
             return index;
         }
-    
+
         /**
          * Select the icon at the given index.
          *
@@ -1446,22 +1458,22 @@ public class AllApps3D extends RSSurfaceView
                 if (pressed == SELECTED_FOCUSED) {
                     mAllApps.mLastSelection = SELECTION_ICONS;
                 }
-    
+
                 int prev = mState.selectedIconIndex;
                 mState.selectedIconIndex = index;
-    
+
                 ApplicationInfo info = appsList.get(index);
                 Bitmap selectionBitmap = mSelectionBitmap;
-    
+
                 Utilities.drawSelectedAllAppsBitmap(mSelectionCanvas,
                         selectionBitmap.getWidth(), selectionBitmap.getHeight(),
                         pressed == SELECTED_PRESSED, info.iconBitmap);
-    
+
                 mSelectedIcon = Allocation.createFromBitmap(mRS, selectionBitmap,
                         Element.RGBA_8888(mRS), false);
                 mSelectedIcon.uploadToTexture(0);
                 mState.selectedIconTexture = mSelectedIcon.getID();
-    
+
                 if (prev != index) {
                     if (info.title != null && info.title.length() > 0) {
                         //setContentDescription(info.title);
@@ -1470,14 +1482,14 @@ public class AllApps3D extends RSSurfaceView
                 }
             }
         }
-    
+
         /**
          * You need to call save() on mState on your own after calling this.
          */
         void clearSelectedIcon() {
             mState.selectedIconIndex = -1;
         }
-    
+
         void setHomeSelected(int mode) {
             final int prev = mAllApps.mLastSelection;
             switch (mode) {
@@ -1496,7 +1508,7 @@ public class AllApps3D extends RSSurfaceView
                 break;
             }
         }
-    
+
         public void dumpState() {
             Log.d(TAG, "mRollo.mWidth=" + mWidth);
             Log.d(TAG, "mRollo.mHeight=" + mHeight);
@@ -1533,7 +1545,7 @@ public class AllApps3D extends RSSurfaceView
             Log.d(TAG, "mRollo.mParams.homeButtonTextureHeight=" + mParams.homeButtonTextureHeight);
         }
     }
-    
+
     public void dumpState() {
         Log.d(TAG, "mRS=" + mRS);
         Log.d(TAG, "mRollo=" + mRollo);