Moving renderscript tests away from the library to a dedicated test folder.

Change-Id: I7d8e20a17513f167eae3681d77463c01f4fa24a7

12 files changed, 1430 insertions, 0 deletions

diff --git a/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/A3DSelector.java b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/A3DSelector.java
new file mode 100644
index 0000000..0e2004f
--- /dev/null
+++ b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/A3DSelector.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.modelviewer;
+
+import java.io.File;
+import java.io.FileFilter;
+import java.util.ArrayList;
+import java.util.List;
+
+import android.app.ListActivity;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+
+/**
+ * A list view where the last item the user clicked is placed in
+ * the "activated" state, causing its background to highlight.
+ */
+public class A3DSelector extends ListActivity {
+
+    File[] mCurrentSubList;
+    File mCurrentFile;
+
+    class A3DFilter implements FileFilter {
+        public boolean accept(File file) {
+            if (file.isDirectory()) {
+                return true;
+            }
+            return file.getName().endsWith(".a3d");
+        }
+    }
+
+    private void populateList(File file) {
+
+        mCurrentFile = file;
+        setTitle(mCurrentFile.getAbsolutePath() + "/*.a3d");
+        List<String> names = new ArrayList<String>();
+        names.add("..");
+
+        mCurrentSubList = mCurrentFile.listFiles(new A3DFilter());
+
+        if (mCurrentSubList != null) {
+            for (int i = 0; i < mCurrentSubList.length; i ++) {
+                String fileName = mCurrentSubList[i].getName();
+                if (mCurrentSubList[i].isDirectory()) {
+                    fileName = "/" + fileName;
+                }
+                names.add(fileName);
+            }
+        }
+
+        // Use the built-in layout for showing a list item with a single
+        // line of text whose background is changes when activated.
+        setListAdapter(new ArrayAdapter<String>(this,
+                android.R.layout.simple_list_item_activated_1, names));
+        getListView().setTextFilterEnabled(true);
+
+        // Tell the list view to show one checked/activated item at a time.
+        getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        populateList(new File("/sdcard/"));
+    }
+
+    @Override
+    protected void onListItemClick(ListView l, View v, int position, long id) {
+        if (position == 0) {
+            File parent = mCurrentFile.getParentFile();
+            if (parent == null) {
+                return;
+            }
+            populateList(parent);
+            return;
+        }
+
+        // the first thing in list is parent directory
+        File selectedFile = mCurrentSubList[position - 1];
+        if (selectedFile.isDirectory()) {
+            populateList(selectedFile);
+            return;
+        }
+
+        Intent resultIntent = new Intent();
+        resultIntent.setData(Uri.fromFile(selectedFile));
+        setResult(RESULT_OK, resultIntent);
+        finish();
+    }
+
+}
diff --git a/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SceneGraph.java b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SceneGraph.java
new file mode 100644
index 0000000..b8717a7
--- /dev/null
+++ b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SceneGraph.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.modelviewer;
+
+import android.renderscript.RSSurfaceView;
+import android.renderscript.RenderScript;
+
+import android.app.Activity;
+import android.content.res.Configuration;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+import android.provider.Settings.System;
+import android.util.Config;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.Window;
+import android.widget.Button;
+import android.widget.ListView;
+
+import java.lang.Runtime;
+
+public class SceneGraph extends Activity {
+
+    private SceneGraphView mView;
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+
+        // Create our Preview view and set it as the content of our
+        // Activity
+        mView = new SceneGraphView(this);
+        setContentView(mView);
+    }
+
+    @Override
+    protected void onResume() {
+        // Ideally a game should implement onResume() and onPause()
+        // to take appropriate action when the activity looses focus
+        super.onResume();
+        mView.resume();
+    }
+
+    @Override
+    protected void onPause() {
+        // Ideally a game should implement onResume() and onPause()
+        // to take appropriate action when the activity looses focus
+        super.onPause();
+        mView.pause();
+    }
+
+}
+
diff --git a/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SceneGraphRS.java b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SceneGraphRS.java
new file mode 100644
index 0000000..f91f31e
--- /dev/null
+++ b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SceneGraphRS.java
@@ -0,0 +1,217 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.modelviewer;
+
+import java.io.Writer;
+import java.util.Map;
+import java.util.Vector;
+
+import android.content.res.Resources;
+import android.renderscript.*;
+import android.renderscript.Element.Builder;
+import android.renderscript.Font.Style;
+import android.renderscript.ProgramStore.DepthFunc;
+import android.util.Log;
+
+
+public class SceneGraphRS {
+
+    private final int STATE_LAST_FOCUS = 1;
+
+    int mWidth;
+    int mHeight;
+    int mRotation;
+
+    public SceneGraphRS() {
+    }
+
+    public void init(RenderScriptGL rs, Resources res, int width, int height) {
+        mRS = rs;
+        mRes = res;
+        mWidth = width;
+        mHeight = height;
+        mRotation = 0;
+        initRS();
+    }
+
+    private Resources mRes;
+    private RenderScriptGL mRS;
+    private Sampler mSampler;
+    private ProgramStore mPSBackground;
+    private ProgramFragment mPFBackground;
+    private ProgramVertex mPVBackground;
+    private ProgramVertexFixedFunction.Constants mPVA;
+
+    private Allocation mGridImage;
+    private Allocation mAllocPV;
+
+    private Mesh mMesh;
+
+    private Font mItalic;
+    private Allocation mTextAlloc;
+
+    private ScriptC_scenegraph mScript;
+    private ScriptC_transform mTransformScript;
+
+    int mLastX;
+    int mLastY;
+
+    public void touchEvent(int x, int y) {
+        int dx = mLastX - x;
+        if (Math.abs(dx) > 50 || Math.abs(dx) < 3) {
+            dx = 0;
+        }
+
+        mRotation -= dx;
+        if (mRotation > 360) {
+            mRotation -= 360;
+        }
+        if (mRotation < 0) {
+            mRotation += 360;
+        }
+
+        mScript.set_gRotate(-(float)mRotation);
+
+        mLastX = x;
+        mLastY = y;
+    }
+
+    private void initPFS() {
+        ProgramStore.Builder b = new ProgramStore.Builder(mRS);
+
+        b.setDepthFunc(ProgramStore.DepthFunc.LESS);
+        b.setDitherEnabled(false);
+        b.setDepthMaskEnabled(true);
+        mPSBackground = b.create();
+
+        mScript.set_gPFSBackground(mPSBackground);
+    }
+
+    private void initPF() {
+        Sampler.Builder bs = new Sampler.Builder(mRS);
+        bs.setMinification(Sampler.Value.LINEAR);
+        bs.setMagnification(Sampler.Value.LINEAR);
+        bs.setWrapS(Sampler.Value.CLAMP);
+        bs.setWrapT(Sampler.Value.CLAMP);
+        mSampler = bs.create();
+
+        ProgramFragmentFixedFunction.Builder b = new ProgramFragmentFixedFunction.Builder(mRS);
+        b.setTexture(ProgramFragmentFixedFunction.Builder.EnvMode.REPLACE,
+                     ProgramFragmentFixedFunction.Builder.Format.RGBA, 0);
+        mPFBackground = b.create();
+        mPFBackground.bindSampler(mSampler, 0);
+
+        mScript.set_gPFBackground(mPFBackground);
+    }
+
+    private void initPV() {
+        ProgramVertexFixedFunction.Builder pvb = new ProgramVertexFixedFunction.Builder(mRS);
+        mPVBackground = pvb.create();
+
+        mPVA = new ProgramVertexFixedFunction.Constants(mRS);
+        ((ProgramVertexFixedFunction)mPVBackground).bindConstants(mPVA);
+
+        mScript.set_gPVBackground(mPVBackground);
+    }
+
+    private void loadImage() {
+        mGridImage = Allocation.createFromBitmapResource(mRS, mRes, R.drawable.robot,
+                                                         Allocation.MipmapControl.MIPMAP_ON_SYNC_TO_TEXTURE,
+                                                         Allocation.USAGE_GRAPHICS_TEXTURE);
+        mScript.set_gTGrid(mGridImage);
+    }
+
+    private void initTextAllocation() {
+        String allocString = "Displaying file: R.raw.robot";
+        mTextAlloc = Allocation.createFromString(mRS, allocString, Allocation.USAGE_SCRIPT);
+        mScript.set_gTextAlloc(mTextAlloc);
+    }
+
+    SgTransform mRootTransform;
+    SgTransform mGroup1;
+
+    SgTransform mRobot1;
+    SgTransform mRobot2;
+
+    void initTransformHierarchy() {
+        mRootTransform = new SgTransform(mRS);
+
+        mGroup1 = new SgTransform(mRS);
+        mRootTransform.addChild(mGroup1);
+
+        mRobot1 = new SgTransform(mRS);
+        mRobot2 = new SgTransform(mRS);
+
+        mGroup1.addChild(mRobot1);
+        mGroup1.addChild(mRobot2);
+
+        mGroup1.setTransform(0, new Float4(0.0f, 0.0f, -15.0f, 0.0f), TransformType.TRANSLATE);
+        mGroup1.setTransform(1, new Float4(0.0f, 1.0f, 0.0f, 15.0f), TransformType.ROTATE);
+
+        mRobot1.setTransform(0, new Float4(-3.0f, -0.5f, 0.0f, 0.0f), TransformType.TRANSLATE);
+        mRobot1.setTransform(1, new Float4(0.0f, 1.0f, 0.0f, 20.0f), TransformType.ROTATE);
+        mRobot1.setTransform(2, new Float4(0.2f, 0.2f, 0.2f, 0.0f), TransformType.SCALE);
+
+        mRobot2.setTransform(0, new Float4(3.0f, 0.0f, 0.0f, 0.0f), TransformType.TRANSLATE);
+        mRobot2.setTransform(1, new Float4(0.0f, 1.0f, 0.0f, -20.0f), TransformType.ROTATE);
+        mRobot2.setTransform(2, new Float4(0.3f, 0.3f, 0.3f, 0.0f), TransformType.SCALE);
+    }
+
+    private void initRS() {
+
+        mScript = new ScriptC_scenegraph(mRS, mRes, R.raw.scenegraph);
+        mTransformScript = new ScriptC_transform(mRS, mRes, R.raw.transform);
+        mTransformScript.set_transformScript(mTransformScript);
+
+        mScript.set_gTransformRS(mTransformScript);
+
+        initPFS();
+        initPF();
+        initPV();
+
+        loadImage();
+
+        FileA3D model = FileA3D.createFromResource(mRS, mRes, R.raw.robot);
+        FileA3D.IndexEntry entry = model.getIndexEntry(0);
+        if (entry == null || entry.getEntryType() != FileA3D.EntryType.MESH) {
+            Log.e("rs", "could not load model");
+        } else {
+            mMesh = (Mesh)entry.getObject();
+            mScript.set_gTestMesh(mMesh);
+        }
+
+        mItalic = Font.create(mRS, mRes, "serif", Font.Style.ITALIC, 8);
+        mScript.set_gItalic(mItalic);
+
+        initTextAllocation();
+
+        initTransformHierarchy();
+
+        mScript.bind_gRootNode(mRootTransform.getField());
+
+        mScript.bind_gGroup(mGroup1.mParent.mChildField);
+        mScript.bind_gRobot1(mRobot1.mParent.mChildField);
+        mScript.set_gRobot1Index(mRobot1.mIndexInParentGroup);
+        mScript.bind_gRobot2(mRobot2.mParent.mChildField);
+        mScript.set_gRobot2Index(mRobot2.mIndexInParentGroup);
+
+        mRS.bindRootScript(mScript);
+    }
+}
+
+
+
diff --git a/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SceneGraphView.java b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SceneGraphView.java
new file mode 100644
index 0000000..0b6a3b8
--- /dev/null
+++ b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SceneGraphView.java
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.modelviewer;
+
+import java.io.Writer;
+import java.util.ArrayList;
+import java.util.concurrent.Semaphore;
+
+import android.renderscript.RSSurfaceView;
+import android.renderscript.RenderScript;
+import android.renderscript.RenderScriptGL;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.os.Handler;
+import android.os.Message;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.Surface;
+import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+
+public class SceneGraphView extends RSSurfaceView {
+
+    public SceneGraphView(Context context) {
+        super(context);
+        //setFocusable(true);
+    }
+
+    private RenderScriptGL mRS;
+    private SceneGraphRS mRender;
+
+
+    public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
+        super.surfaceChanged(holder, format, w, h);
+        if (mRS == null) {
+            RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
+            sc.setDepth(16, 24);
+            mRS = createRenderScriptGL(sc);
+            mRS.setSurface(holder, w, h);
+            mRender = new SceneGraphRS();
+            mRender.init(mRS, getResources(), w, h);
+        }
+    }
+
+    @Override
+    protected void onDetachedFromWindow() {
+        if (mRS != null) {
+            mRS = null;
+            destroyRenderScriptGL();
+        }
+    }
+
+    @Override
+    public boolean onKeyDown(int keyCode, KeyEvent event)
+    {
+        // break point at here
+        // this method doesn't work when 'extends View' include 'extends ScrollView'.
+        return super.onKeyDown(keyCode, event);
+    }
+
+
+    @Override
+    public boolean onTouchEvent(MotionEvent ev)
+    {
+        boolean ret = true;
+        int act = ev.getAction();
+        if (act == ev.ACTION_UP) {
+            ret = false;
+        }
+
+        mRender.touchEvent((int)ev.getX(), (int)ev.getY());
+        return ret;
+    }
+}
+
+
diff --git a/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SgTransform.java b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SgTransform.java
new file mode 100644
index 0000000..f5484e2
--- /dev/null
+++ b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SgTransform.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.modelviewer;
+
+import java.io.Writer;
+import java.util.Map;
+import java.util.Vector;
+
+import android.content.res.Resources;
+import android.renderscript.*;
+import android.renderscript.Element.Builder;
+import android.renderscript.ProgramStore.DepthFunc;
+import android.util.Log;
+
+enum TransformType {
+
+    NONE(0),
+    TRANSLATE(1),
+    ROTATE(2),
+    SCALE(3);
+
+    int mID;
+    TransformType(int id) {
+        mID = id;
+    }
+}
+
+public class SgTransform {
+
+
+    ScriptField_SgTransform mTransformField;
+    ScriptField_SgTransform mChildField;
+    public ScriptField_SgTransform.Item mTransformData;
+
+    RenderScript mRS;
+
+    Vector mChildren;
+    SgTransform mParent;
+    int mIndexInParentGroup;
+
+    public void setParent(SgTransform parent, int parentIndex) {
+        mParent = parent;
+        mIndexInParentGroup = parentIndex;
+    }
+
+    public void addChild(SgTransform child) {
+        mChildren.add(child);
+        child.setParent(this, mChildren.size() - 1);
+    }
+
+    public void setTransform(int index, Float4 value, TransformType type) {
+        mTransformData.transforms[index] = value;
+        mTransformData.transformTypes[index] = type.mID;
+    }
+
+    void initData() {
+        int numElements = mTransformData.transforms.length;
+        mTransformData.transformTypes = new int[numElements];
+        for (int i = 0; i < numElements; i ++) {
+            mTransformData.transforms[i] = new Float4(0, 0, 0, 0);
+            mTransformData.transformTypes[i] = TransformType.NONE.mID;
+        }
+
+        mTransformData.isDirty = 1;
+        mTransformData.children = null;
+    }
+
+    public SgTransform(RenderScript rs) {
+        mRS = rs;
+        mTransformData = new ScriptField_SgTransform.Item();
+        mChildren = new Vector();
+        initData();
+    }
+
+    public ScriptField_SgTransform.Item getData() {
+        if (mChildren.size() != 0) {
+            mChildField = new ScriptField_SgTransform(mRS, mChildren.size());
+            mTransformData.children = mChildField.getAllocation();
+
+            for (int i = 0; i < mChildren.size(); i ++) {
+                SgTransform child = (SgTransform)mChildren.get(i);
+                mChildField.set(child.getData(), i, false);
+            }
+            mChildField.copyAll();
+        }
+
+        return mTransformData;
+    }
+
+    public ScriptField_SgTransform getField() {
+        mTransformField = new ScriptField_SgTransform(mRS, 1);
+        mTransformField.set(getData(), 0, true);
+        return mTransformField;
+    }
+}
+
+
+
diff --git a/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SimpleModel.java b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SimpleModel.java
new file mode 100644
index 0000000..01cb709
--- /dev/null
+++ b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SimpleModel.java
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.modelviewer;
+
+import android.renderscript.RSSurfaceView;
+import android.renderscript.RenderScript;
+
+import android.app.Activity;
+import android.content.res.Configuration;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+import android.provider.Settings.System;
+import android.util.Config;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.MenuInflater;
+import android.view.Window;
+import android.widget.Button;
+import android.widget.ListView;
+import android.net.Uri;
+
+import java.lang.Runtime;
+
+public class SimpleModel extends Activity {
+
+    private SimpleModelView mView;
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+
+        // Create our Preview view and set it as the content of our
+        // Activity
+        mView = new SimpleModelView(this);
+        setContentView(mView);
+    }
+
+    @Override
+    protected void onResume() {
+        // Ideally a game should implement onResume() and onPause()
+        // to take appropriate action when the activity looses focus
+        super.onResume();
+        mView.resume();
+    }
+
+    @Override
+    protected void onPause() {
+        // Ideally a game should implement onResume() and onPause()
+        // to take appropriate action when the activity looses focus
+        super.onPause();
+        mView.pause();
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        MenuInflater inflater = getMenuInflater();
+        inflater.inflate(R.menu.loader_menu, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        // Handle item selection
+        switch (item.getItemId()) {
+        case R.id.load_model:
+            loadModel();
+            return true;
+        case R.id.display_options:
+            return true;
+        default:
+            return super.onOptionsItemSelected(item);
+        }
+    }
+
+    private static final int FIND_A3D_MODEL = 10;
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        if (resultCode == RESULT_OK) {
+            if (requestCode == FIND_A3D_MODEL) {
+                Uri selectedImageUri = data.getData();
+                Log.e("Selected Path: ", selectedImageUri.getPath());
+                mView.loadA3DFile(selectedImageUri.getPath());
+            }
+        }
+    }
+
+    public void loadModel() {
+        Intent intent = new Intent();
+        intent.setAction(Intent.ACTION_PICK);
+        intent.setClassName("com.android.modelviewer",
+                            "com.android.modelviewer.A3DSelector");
+        startActivityForResult(intent, FIND_A3D_MODEL);
+    }
+
+}
+
diff --git a/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SimpleModelRS.java b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SimpleModelRS.java
new file mode 100644
index 0000000..63ef466
--- /dev/null
+++ b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SimpleModelRS.java
@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.modelviewer;
+
+import java.io.Writer;
+
+import android.content.res.Resources;
+import android.renderscript.*;
+import android.renderscript.ProgramStore.DepthFunc;
+import android.util.Log;
+
+
+public class SimpleModelRS {
+
+    public SimpleModelRS() {
+    }
+
+    public void init(RenderScriptGL rs, Resources res) {
+        mRS = rs;
+        mRes = res;
+        initRS();
+    }
+
+    public void surfaceChanged() {
+        mRS.getWidth();
+        mRS.getHeight();
+    }
+
+    private Resources mRes;
+    private RenderScriptGL mRS;
+    private Sampler mSampler;
+    private ProgramStore mPSBackground;
+    private ProgramFragment mPFBackground;
+    private ProgramVertex mPVBackground;
+    private ProgramVertexFixedFunction.Constants mPVA;
+
+    private Allocation mGridImage;
+    private Allocation mAllocPV;
+
+    private Font mItalic;
+    private Allocation mTextAlloc;
+
+    private ScriptField_MeshInfo mMeshes;
+    private ScriptC_simplemodel mScript;
+
+
+    public void onActionDown(float x, float y) {
+        mScript.invoke_onActionDown(x, y);
+    }
+
+    public void onActionScale(float scale) {
+        mScript.invoke_onActionScale(scale);
+    }
+
+    public void onActionMove(float x, float y) {
+        mScript.invoke_onActionMove(x, y);
+    }
+
+    private void initPFS() {
+        ProgramStore.Builder b = new ProgramStore.Builder(mRS);
+
+        b.setDepthFunc(ProgramStore.DepthFunc.LESS);
+        b.setDitherEnabled(false);
+        b.setDepthMaskEnabled(true);
+        mPSBackground = b.create();
+
+        mScript.set_gPFSBackground(mPSBackground);
+    }
+
+    private void initPF() {
+        Sampler.Builder bs = new Sampler.Builder(mRS);
+        bs.setMinification(Sampler.Value.LINEAR);
+        bs.setMagnification(Sampler.Value.LINEAR);
+        bs.setWrapS(Sampler.Value.CLAMP);
+        bs.setWrapT(Sampler.Value.CLAMP);
+        mSampler = bs.create();
+
+        ProgramFragmentFixedFunction.Builder b = new ProgramFragmentFixedFunction.Builder(mRS);
+        b.setTexture(ProgramFragmentFixedFunction.Builder.EnvMode.REPLACE,
+                     ProgramFragmentFixedFunction.Builder.Format.RGBA, 0);
+        mPFBackground = b.create();
+        mPFBackground.bindSampler(mSampler, 0);
+
+        mScript.set_gPFBackground(mPFBackground);
+    }
+
+    private void initPV() {
+        ProgramVertexFixedFunction.Builder pvb = new ProgramVertexFixedFunction.Builder(mRS);
+        mPVBackground = pvb.create();
+
+        mPVA = new ProgramVertexFixedFunction.Constants(mRS);
+        ((ProgramVertexFixedFunction)mPVBackground).bindConstants(mPVA);
+
+        mScript.set_gPVBackground(mPVBackground);
+    }
+
+    private void loadImage() {
+        mGridImage = Allocation.createFromBitmapResource(mRS, mRes, R.drawable.robot,
+                                                         Allocation.MipmapControl.MIPMAP_ON_SYNC_TO_TEXTURE,
+                                                         Allocation.USAGE_GRAPHICS_TEXTURE);
+        mScript.set_gTGrid(mGridImage);
+    }
+
+    private void initTextAllocation(String fileName) {
+        String allocString = "Displaying file: " + fileName;
+        mTextAlloc = Allocation.createFromString(mRS, allocString, Allocation.USAGE_SCRIPT);
+        mScript.set_gTextAlloc(mTextAlloc);
+    }
+
+    private void initMeshes(FileA3D model) {
+        int numEntries = model.getIndexEntryCount();
+        int numMeshes = 0;
+        for (int i = 0; i < numEntries; i ++) {
+            FileA3D.IndexEntry entry = model.getIndexEntry(i);
+            if (entry != null && entry.getEntryType() == FileA3D.EntryType.MESH) {
+                numMeshes ++;
+            }
+        }
+
+        if (numMeshes > 0) {
+            mMeshes = new ScriptField_MeshInfo(mRS, numMeshes);
+
+            for (int i = 0; i < numEntries; i ++) {
+                FileA3D.IndexEntry entry = model.getIndexEntry(i);
+                if (entry != null && entry.getEntryType() == FileA3D.EntryType.MESH) {
+                    Mesh mesh = entry.getMesh();
+                    mMeshes.set_mMesh(i, mesh, false);
+                    mMeshes.set_mNumIndexSets(i, mesh.getPrimitiveCount(), false);
+                }
+            }
+            mMeshes.copyAll();
+        } else {
+            throw new RSRuntimeException("No valid meshes in file");
+        }
+
+        mScript.bind_gMeshes(mMeshes);
+        mScript.invoke_updateMeshInfo();
+    }
+
+    public void loadA3DFile(String path) {
+        FileA3D model = FileA3D.createFromFile(mRS, path);
+        initMeshes(model);
+        initTextAllocation(path);
+    }
+
+    private void initRS() {
+
+        mScript = new ScriptC_simplemodel(mRS, mRes, R.raw.simplemodel);
+
+        initPFS();
+        initPF();
+        initPV();
+
+        loadImage();
+
+        FileA3D model = FileA3D.createFromResource(mRS, mRes, R.raw.robot);
+        initMeshes(model);
+
+        mItalic = Font.create(mRS, mRes, "serif", Font.Style.ITALIC, 8);
+        mScript.set_gItalic(mItalic);
+
+        initTextAllocation("R.raw.robot");
+
+        mRS.bindRootScript(mScript);
+    }
+}
+
+
+
diff --git a/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SimpleModelView.java b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SimpleModelView.java
new file mode 100644
index 0000000..9ab0f22
--- /dev/null
+++ b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/SimpleModelView.java
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.modelviewer;
+
+import android.renderscript.RSSurfaceView;
+import android.renderscript.RenderScriptGL;
+
+import android.content.Context;
+import android.view.MotionEvent;
+import android.view.SurfaceHolder;
+import android.view.ScaleGestureDetector;
+import android.util.Log;
+
+public class SimpleModelView extends RSSurfaceView {
+
+    private RenderScriptGL mRS;
+    private SimpleModelRS mRender;
+
+    private ScaleGestureDetector mScaleDetector;
+
+    private static final int INVALID_POINTER_ID = -1;
+    private int mActivePointerId = INVALID_POINTER_ID;
+
+    public SimpleModelView(Context context) {
+        super(context);
+        ensureRenderScript();
+        mScaleDetector = new ScaleGestureDetector(context, new ScaleListener());
+    }
+
+    private void ensureRenderScript() {
+        if (mRS == null) {
+            RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
+            sc.setDepth(16, 24);
+            mRS = createRenderScriptGL(sc);
+            mRender = new SimpleModelRS();
+            mRender.init(mRS, getResources());
+        }
+    }
+
+    @Override
+    protected void onAttachedToWindow() {
+        super.onAttachedToWindow();
+        ensureRenderScript();
+    }
+
+    @Override
+    public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
+        super.surfaceChanged(holder, format, w, h);
+        mRender.surfaceChanged();
+    }
+
+    @Override
+    protected void onDetachedFromWindow() {
+        mRender = null;
+        if (mRS != null) {
+            mRS = null;
+            destroyRenderScriptGL();
+        }
+    }
+
+    public void loadA3DFile(String path) {
+        mRender.loadA3DFile(path);
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent ev) {
+        mScaleDetector.onTouchEvent(ev);
+
+        boolean ret = false;
+        float x = ev.getX();
+        float y = ev.getY();
+
+        final int action = ev.getAction();
+
+        switch (action & MotionEvent.ACTION_MASK) {
+        case MotionEvent.ACTION_DOWN: {
+            mRender.onActionDown(x, y);
+            mActivePointerId = ev.getPointerId(0);
+            ret = true;
+            break;
+        }
+        case MotionEvent.ACTION_MOVE: {
+            if (!mScaleDetector.isInProgress()) {
+                mRender.onActionMove(x, y);
+            }
+            mRender.onActionDown(x, y);
+            ret = true;
+            break;
+        }
+
+        case MotionEvent.ACTION_UP: {
+            mActivePointerId = INVALID_POINTER_ID;
+            break;
+        }
+
+        case MotionEvent.ACTION_CANCEL: {
+            mActivePointerId = INVALID_POINTER_ID;
+            break;
+        }
+
+        case MotionEvent.ACTION_POINTER_UP: {
+            final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK)
+                    >> MotionEvent.ACTION_POINTER_INDEX_SHIFT;
+            final int pointerId = ev.getPointerId(pointerIndex);
+            if (pointerId == mActivePointerId) {
+                // This was our active pointer going up. Choose a new
+                // active pointer and adjust accordingly.
+                final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
+                x = ev.getX(newPointerIndex);
+                y = ev.getY(newPointerIndex);
+                mRender.onActionDown(x, y);
+                mActivePointerId = ev.getPointerId(newPointerIndex);
+            }
+            break;
+        }
+        }
+
+        return ret;
+    }
+
+    private class ScaleListener extends ScaleGestureDetector.SimpleOnScaleGestureListener {
+        @Override
+        public boolean onScale(ScaleGestureDetector detector) {
+            mRender.onActionScale(detector.getScaleFactor());
+            return true;
+        }
+    }
+}
+
+
diff --git a/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/scenegraph.rs b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/scenegraph.rs
new file mode 100644
index 0000000..3679068
--- /dev/null
+++ b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/scenegraph.rs
@@ -0,0 +1,91 @@
+// Copyright (C) 2009 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma version(1)
+
+#pragma rs java_package_name(com.android.modelviewer)
+
+#include "rs_graphics.rsh"
+#include "transform_def.rsh"
+
+rs_program_vertex gPVBackground;
+rs_program_fragment gPFBackground;
+
+rs_allocation gTGrid;
+rs_mesh gTestMesh;
+
+rs_program_store gPFSBackground;
+
+float gRotate;
+
+rs_font gItalic;
+rs_allocation gTextAlloc;
+
+rs_script gTransformRS;
+
+SgTransform *gGroup;
+SgTransform *gRobot1;
+int gRobot1Index;
+SgTransform *gRobot2;
+int gRobot2Index;
+
+SgTransform *gRootNode;
+
+void init() {
+    gRotate = 0.0f;
+}
+
+int root(int launchID) {
+
+    gGroup->transforms[1].w += 0.5f;
+    gGroup->isDirty = 1;
+
+    SgTransform *robot1Ptr = gRobot1 + gRobot1Index;
+
+    robot1Ptr->transforms[1].w -= 1.5f;
+    robot1Ptr->isDirty = 1;
+
+    SgTransform *robot2Ptr = gRobot2 + gRobot2Index;
+    robot2Ptr->transforms[1].w += 2.5f;
+    robot2Ptr->isDirty = 1;
+
+    rsForEach(gTransformRS, gRootNode->children, gRootNode->children, 0);
+
+    rsgClearColor(1.0f, 1.0f, 1.0f, 1.0f);
+    rsgClearDepth(1.0f);
+
+    rsgBindProgramVertex(gPVBackground);
+    rs_matrix4x4 proj;
+    float aspect = (float)rsgGetWidth() / (float)rsgGetHeight();
+    rsMatrixLoadPerspective(&proj, 30.0f, aspect, 0.1f, 100.0f);
+    rsgProgramVertexLoadProjectionMatrix(&proj);
+
+    rsgBindProgramFragment(gPFBackground);
+    rsgBindProgramStore(gPFSBackground);
+    rsgBindTexture(gPFBackground, 0, gTGrid);
+
+    rsgProgramVertexLoadModelMatrix(&robot1Ptr->globalMat);
+    rsgDrawMesh(gTestMesh);
+
+    rsgProgramVertexLoadModelMatrix(&robot2Ptr->globalMat);
+    rsgDrawMesh(gTestMesh);
+
+    //color(0.3f, 0.3f, 0.3f, 1.0f);
+    rsgDrawText("Renderscript transform test", 30, 695);
+
+    rsgBindFont(gItalic);
+    rsgDrawText(gTextAlloc, 30, 730);
+
+    return 10;
+}
diff --git a/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/simplemodel.rs b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/simplemodel.rs
new file mode 100644
index 0000000..4c38745
--- /dev/null
+++ b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/simplemodel.rs
@@ -0,0 +1,161 @@
+// Copyright (C) 2011 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma version(1)
+
+#pragma rs java_package_name(com.android.modelviewer)
+
+#include "rs_graphics.rsh"
+
+rs_program_vertex gPVBackground;
+rs_program_fragment gPFBackground;
+
+rs_allocation gTGrid;
+
+rs_program_store gPFSBackground;
+
+rs_font gItalic;
+rs_allocation gTextAlloc;
+
+typedef struct MeshInfo {
+    rs_mesh mMesh;
+    int mNumIndexSets;
+    float3 bBoxMin;
+    float3 bBoxMax;
+} MeshInfo_t;
+
+MeshInfo_t *gMeshes;
+
+static float3 gLookAt;
+
+static float gRotateX;
+static float gRotateY;
+static float gZoom;
+
+static float gLastX;
+static float gLastY;
+
+void onActionDown(float x, float y) {
+    gLastX = x;
+    gLastY = y;
+}
+
+void onActionScale(float scale) {
+
+    gZoom *= 1.0f / scale;
+    gZoom = max(0.1f, min(gZoom, 500.0f));
+}
+
+void onActionMove(float x, float y) {
+    float dx = gLastX - x;
+    float dy = gLastY - y;
+
+    if (fabs(dy) <= 2.0f) {
+        dy = 0.0f;
+    }
+    if (fabs(dx) <= 2.0f) {
+        dx = 0.0f;
+    }
+
+    gRotateY -= dx;
+    if (gRotateY > 360) {
+        gRotateY -= 360;
+    }
+    if (gRotateY < 0) {
+        gRotateY += 360;
+    }
+
+    gRotateX -= dy;
+    gRotateX = min(gRotateX, 80.0f);
+    gRotateX = max(gRotateX, -80.0f);
+
+    gLastX = x;
+    gLastY = y;
+}
+
+void init() {
+    gRotateX = 0.0f;
+    gRotateY = 0.0f;
+    gZoom = 50.0f;
+    gLookAt = 0.0f;
+}
+
+void updateMeshInfo() {
+    rs_allocation allMeshes = rsGetAllocation(gMeshes);
+    int size = rsAllocationGetDimX(allMeshes);
+    gLookAt = 0.0f;
+    float minX, minY, minZ, maxX, maxY, maxZ;
+    for (int i = 0; i < size; i++) {
+        MeshInfo_t *info = (MeshInfo_t*)rsGetElementAt(allMeshes, i);
+        rsgMeshComputeBoundingBox(info->mMesh,
+                                  &minX, &minY, &minZ,
+                                  &maxX, &maxY, &maxZ);
+        info->bBoxMin = (minX, minY, minZ);
+        info->bBoxMax = (maxX, maxY, maxZ);
+        gLookAt += (info->bBoxMin + info->bBoxMax)*0.5f;
+    }
+    gLookAt = gLookAt / (float)size;
+}
+
+static void renderAllMeshes() {
+    rs_allocation allMeshes = rsGetAllocation(gMeshes);
+    int size = rsAllocationGetDimX(allMeshes);
+    gLookAt = 0.0f;
+    float minX, minY, minZ, maxX, maxY, maxZ;
+    for (int i = 0; i < size; i++) {
+        MeshInfo_t *info = (MeshInfo_t*)rsGetElementAt(allMeshes, i);
+        rsgDrawMesh(info->mMesh);
+    }
+}
+
+void drawDescription() {
+    uint width = rsgGetWidth();
+    uint height = rsgGetHeight();
+    int left = 0, right = 0, top = 0, bottom = 0;
+
+    rsgBindFont(gItalic);
+
+    rsgMeasureText(gTextAlloc, &left, &right, &top, &bottom);
+    rsgDrawText(gTextAlloc, 2 -left, height - 2 + bottom);
+}
+
+int root(int launchID) {
+
+    rsgClearColor(1.0f, 1.0f, 1.0f, 1.0f);
+    rsgClearDepth(1.0f);
+
+    rsgBindProgramVertex(gPVBackground);
+    rs_matrix4x4 proj;
+    float aspect = (float)rsgGetWidth() / (float)rsgGetHeight();
+    rsMatrixLoadPerspective(&proj, 30.0f, aspect, 1.0f, 100.0f);
+    rsgProgramVertexLoadProjectionMatrix(&proj);
+
+    rsgBindProgramFragment(gPFBackground);
+    rsgBindProgramStore(gPFSBackground);
+    rsgBindTexture(gPFBackground, 0, gTGrid);
+
+    rs_matrix4x4 matrix;
+    rsMatrixLoadIdentity(&matrix);
+    // Position our models on the screen
+    rsMatrixTranslate(&matrix, gLookAt.x, gLookAt.y, gLookAt.z - gZoom);
+    rsMatrixRotate(&matrix, gRotateX, 1.0f, 0.0f, 0.0f);
+    rsMatrixRotate(&matrix, gRotateY, 0.0f, 1.0f, 0.0f);
+    rsgProgramVertexLoadModelMatrix(&matrix);
+
+    renderAllMeshes();
+
+    drawDescription();
+
+    return 0;
+}
diff --git a/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/transform.rs b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/transform.rs
new file mode 100644
index 0000000..f328025
--- /dev/null
+++ b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/transform.rs
@@ -0,0 +1,96 @@
+// Copyright (C) 2009 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma version(1)
+
+#pragma rs java_package_name(com.android.modelviewer)
+
+#include "transform_def.rsh"
+
+rs_script transformScript;
+
+typedef struct {
+    int changed;
+    rs_matrix4x4 *mat;
+} ParentData;
+
+static void appendTransformation(int type, float4 data, rs_matrix4x4 *mat) {
+    rs_matrix4x4 temp;
+
+    switch (type) {
+    case TRANSFORM_TRANSLATE:
+        rsMatrixLoadTranslate(&temp, data.x, data.y, data.z);
+        break;
+    case TRANSFORM_ROTATE:
+        rsMatrixLoadRotate(&temp, data.w, data.x, data.y, data.z);
+        break;
+    case TRANSFORM_SCALE:
+        rsMatrixLoadScale(&temp, data.x, data.y, data.z);
+        break;
+    }
+    rsMatrixMultiply(mat, &temp);
+}
+
+void root(const void *v_in, void *v_out, const void *usrData, uint32_t x, uint32_t y) {
+
+    SgTransform *data = (SgTransform *)v_out;
+    const ParentData *parent = (const ParentData *)usrData;
+
+    //rsDebug("Transform data", (int)data);
+    //rsDebug("Entering parent", (int)parent);
+
+    rs_matrix4x4 *localMat = &data->localMat;
+    rs_matrix4x4 *globalMat = &data->globalMat;
+
+    ParentData toChild;
+    toChild.changed = 0;
+    toChild.mat = globalMat;
+
+    //rsDebug("Transform is dirty", data->isDirty);
+
+    // Refresh matrices if dirty
+    if (data->isDirty) {
+        data->isDirty = 0;
+        toChild.changed = 1;
+
+        // Reset our local matrix
+        rsMatrixLoadIdentity(localMat);
+
+        for (int i = 0; i < 16; i ++) {
+            if (data->transformTypes[i] == TRANSFORM_NONE) {
+                break;
+            }
+            //rsDebug("Transform adding transformation", transformTypes[i]);
+            appendTransformation(data->transformTypes[i], data->transforms[i], localMat);
+        }
+    }
+
+    //rsDebug("Transform checking parent", (int)0);
+
+    if (parent) {
+        if (parent->changed) {
+            toChild.changed = 1;
+
+            rsMatrixLoad(globalMat, parent->mat);
+            rsMatrixMultiply(globalMat, localMat);
+        }
+    } else {
+        rsMatrixLoad(globalMat, localMat);
+    }
+
+    //rsDebug("Transform calling self with child ", (int)data->children.p);
+    if (data->children.p) {
+        rsForEach(transformScript, data->children, data->children, (void*)&toChild);
+    }
+}
diff --git a/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/transform_def.rsh b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/transform_def.rsh
new file mode 100644
index 0000000..24a36c1
--- /dev/null
+++ b/tests/RenderScriptTests/ModelViewer/src/com/android/modelviewer/transform_def.rsh
@@ -0,0 +1,35 @@
+// Copyright (C) 2009 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma version(1)
+
+#pragma rs java_package_name(com.android.modelviewer)
+
+#define TRANSFORM_NONE 0
+#define TRANSFORM_TRANSLATE 1
+#define TRANSFORM_ROTATE 2
+#define TRANSFORM_SCALE 3
+
+typedef struct __attribute__((packed, aligned(4))) SgTransform {
+    rs_matrix4x4 globalMat;
+    rs_matrix4x4 localMat;
+
+    float4 transforms[16];
+    int transformTypes[16];
+
+    int isDirty;
+
+    rs_allocation children;
+
+} SgTransform;