Merge "More refactoring"

8 files changed, 1645 insertions, 1688 deletions

diff --git a/core/java/android/view/DisplayList.java b/core/java/android/view/DisplayList.java
index 54fb6ef..623472a 100644
--- a/core/java/android/view/DisplayList.java
+++ b/core/java/android/view/DisplayList.java
@@ -86,18 +86,15 @@ import android.graphics.Matrix;
  *
  * <pre class="prettyprint">
  *     private void createDisplayList() {
- *         HardwareRenderer renderer = getHardwareRenderer();
- *         if (renderer != null) {
- *             mDisplayList = renderer.createDisplayList();
- *             HardwareCanvas canvas = mDisplayList.start(width, height);
- *             try {
- *                 for (Bitmap b : mBitmaps) {
- *                     canvas.drawBitmap(b, 0.0f, 0.0f, null);
- *                     canvas.translate(0.0f, b.getHeight());
- *                 }
- *             } finally {
- *                 displayList.end();
+ *         mDisplayList = DisplayList.create("MyDisplayList");
+ *         HardwareCanvas canvas = mDisplayList.start(width, height);
+ *         try {
+ *             for (Bitmap b : mBitmaps) {
+ *                 canvas.drawBitmap(b, 0.0f, 0.0f, null);
+ *                 canvas.translate(0.0f, b.getHeight());
  *             }
+ *         } finally {
+ *             displayList.end();
  *         }
  *     }
  *
diff --git a/core/java/android/view/GLRenderer.java b/core/java/android/view/GLRenderer.java
new file mode 100644
index 0000000..a195231
--- /dev/null
+++ b/core/java/android/view/GLRenderer.java
@@ -0,0 +1,1610 @@
+/*
+ * Copyright (C) 2013 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 android.view;
+
+import static javax.microedition.khronos.egl.EGL10.EGL_ALPHA_SIZE;
+import static javax.microedition.khronos.egl.EGL10.EGL_BAD_NATIVE_WINDOW;
+import static javax.microedition.khronos.egl.EGL10.EGL_BLUE_SIZE;
+import static javax.microedition.khronos.egl.EGL10.EGL_CONFIG_CAVEAT;
+import static javax.microedition.khronos.egl.EGL10.EGL_DEFAULT_DISPLAY;
+import static javax.microedition.khronos.egl.EGL10.EGL_DEPTH_SIZE;
+import static javax.microedition.khronos.egl.EGL10.EGL_DRAW;
+import static javax.microedition.khronos.egl.EGL10.EGL_GREEN_SIZE;
+import static javax.microedition.khronos.egl.EGL10.EGL_HEIGHT;
+import static javax.microedition.khronos.egl.EGL10.EGL_NONE;
+import static javax.microedition.khronos.egl.EGL10.EGL_NO_CONTEXT;
+import static javax.microedition.khronos.egl.EGL10.EGL_NO_DISPLAY;
+import static javax.microedition.khronos.egl.EGL10.EGL_NO_SURFACE;
+import static javax.microedition.khronos.egl.EGL10.EGL_RED_SIZE;
+import static javax.microedition.khronos.egl.EGL10.EGL_RENDERABLE_TYPE;
+import static javax.microedition.khronos.egl.EGL10.EGL_SAMPLES;
+import static javax.microedition.khronos.egl.EGL10.EGL_SAMPLE_BUFFERS;
+import static javax.microedition.khronos.egl.EGL10.EGL_STENCIL_SIZE;
+import static javax.microedition.khronos.egl.EGL10.EGL_SUCCESS;
+import static javax.microedition.khronos.egl.EGL10.EGL_SURFACE_TYPE;
+import static javax.microedition.khronos.egl.EGL10.EGL_WIDTH;
+import static javax.microedition.khronos.egl.EGL10.EGL_WINDOW_BIT;
+
+import android.content.ComponentCallbacks2;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.graphics.SurfaceTexture;
+import android.opengl.EGL14;
+import android.opengl.GLUtils;
+import android.opengl.ManagedEGLContext;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.Looper;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.os.SystemClock;
+import android.os.SystemProperties;
+import android.os.Trace;
+import android.util.DisplayMetrics;
+import android.util.Log;
+import android.view.Surface.OutOfResourcesException;
+
+import com.google.android.gles_jni.EGLImpl;
+
+import java.io.PrintWriter;
+import java.util.concurrent.locks.ReentrantLock;
+
+import javax.microedition.khronos.egl.EGL10;
+import javax.microedition.khronos.egl.EGL11;
+import javax.microedition.khronos.egl.EGLConfig;
+import javax.microedition.khronos.egl.EGLContext;
+import javax.microedition.khronos.egl.EGLDisplay;
+import javax.microedition.khronos.egl.EGLSurface;
+import javax.microedition.khronos.opengles.GL;
+
+/**
+ * Hardware renderer using OpenGL
+ *
+ * @hide
+ */
+public class GLRenderer extends HardwareRenderer {
+    static final int SURFACE_STATE_ERROR = 0;
+    static final int SURFACE_STATE_SUCCESS = 1;
+    static final int SURFACE_STATE_UPDATED = 2;
+
+    static final int FUNCTOR_PROCESS_DELAY = 4;
+
+    /**
+     * Number of frames to profile.
+     */
+    private static final int PROFILE_MAX_FRAMES = 128;
+
+    /**
+     * Number of floats per profiled frame.
+     */
+    private static final int PROFILE_FRAME_DATA_COUNT = 3;
+
+    private static final int PROFILE_DRAW_MARGIN = 0;
+    private static final int PROFILE_DRAW_WIDTH = 3;
+    private static final int[] PROFILE_DRAW_COLORS = { 0xcf3e66cc, 0xcfdc3912, 0xcfe69800 };
+    private static final int PROFILE_DRAW_CURRENT_FRAME_COLOR = 0xcf5faa4d;
+    private static final int PROFILE_DRAW_THRESHOLD_COLOR = 0xff5faa4d;
+    private static final int PROFILE_DRAW_THRESHOLD_STROKE_WIDTH = 2;
+    private static final int PROFILE_DRAW_DP_PER_MS = 7;
+
+    private static final String[] VISUALIZERS = {
+            PROFILE_PROPERTY_VISUALIZE_BARS,
+            PROFILE_PROPERTY_VISUALIZE_LINES
+    };
+
+    private static final String[] OVERDRAW = {
+            OVERDRAW_PROPERTY_SHOW,
+            OVERDRAW_PROPERTY_COUNT
+    };
+    private static final int OVERDRAW_TYPE_COUNT = 1;
+    private static final int GL_VERSION = 2;
+
+    static EGL10 sEgl;
+    static EGLDisplay sEglDisplay;
+    static EGLConfig sEglConfig;
+    static final Object[] sEglLock = new Object[0];
+    int mWidth = -1, mHeight = -1;
+
+    static final ThreadLocal<ManagedEGLContext> sEglContextStorage
+            = new ThreadLocal<ManagedEGLContext>();
+
+    EGLContext mEglContext;
+    Thread mEglThread;
+
+    EGLSurface mEglSurface;
+
+    GL mGl;
+    HardwareCanvas mCanvas;
+
+    String mName;
+
+    long mFrameCount;
+    Paint mDebugPaint;
+
+    static boolean sDirtyRegions;
+    static final boolean sDirtyRegionsRequested;
+    static {
+        String dirtyProperty = SystemProperties.get(RENDER_DIRTY_REGIONS_PROPERTY, "true");
+        //noinspection PointlessBooleanExpression,ConstantConditions
+        sDirtyRegions = "true".equalsIgnoreCase(dirtyProperty);
+        sDirtyRegionsRequested = sDirtyRegions;
+    }
+
+    boolean mDirtyRegionsEnabled;
+    boolean mUpdateDirtyRegions;
+
+    boolean mProfileEnabled;
+    int mProfileVisualizerType = -1;
+    float[] mProfileData;
+    ReentrantLock mProfileLock;
+    int mProfileCurrentFrame = -PROFILE_FRAME_DATA_COUNT;
+
+    GraphDataProvider mDebugDataProvider;
+    float[][] mProfileShapes;
+    Paint mProfilePaint;
+
+    boolean mDebugDirtyRegions;
+    int mDebugOverdraw = -1;
+    HardwareLayer mDebugOverdrawLayer;
+    Paint mDebugOverdrawPaint;
+
+    final boolean mTranslucent;
+
+    private boolean mDestroyed;
+
+    private final Rect mRedrawClip = new Rect();
+
+    private final int[] mSurfaceSize = new int[2];
+    private final FunctorsRunnable mFunctorsRunnable = new FunctorsRunnable();
+
+    private long mDrawDelta = Long.MAX_VALUE;
+
+    private GLES20Canvas mGlCanvas;
+
+    private DisplayMetrics mDisplayMetrics;
+
+    private static EGLSurface sPbuffer;
+    private static final Object[] sPbufferLock = new Object[0];
+
+    private static class GLRendererEglContext extends ManagedEGLContext {
+        final Handler mHandler = new Handler();
+
+        public GLRendererEglContext(EGLContext context) {
+            super(context);
+        }
+
+        @Override
+        public void onTerminate(final EGLContext eglContext) {
+            // Make sure we do this on the correct thread.
+            if (mHandler.getLooper() != Looper.myLooper()) {
+                mHandler.post(new Runnable() {
+                    @Override
+                    public void run() {
+                        onTerminate(eglContext);
+                    }
+                });
+                return;
+            }
+
+            synchronized (sEglLock) {
+                if (sEgl == null) return;
+
+                if (EGLImpl.getInitCount(sEglDisplay) == 1) {
+                    usePbufferSurface(eglContext);
+                    GLES20Canvas.terminateCaches();
+
+                    sEgl.eglDestroyContext(sEglDisplay, eglContext);
+                    sEglContextStorage.set(null);
+                    sEglContextStorage.remove();
+
+                    sEgl.eglDestroySurface(sEglDisplay, sPbuffer);
+                    sEgl.eglMakeCurrent(sEglDisplay, EGL_NO_SURFACE,
+                            EGL_NO_SURFACE, EGL_NO_CONTEXT);
+
+                    sEgl.eglReleaseThread();
+                    sEgl.eglTerminate(sEglDisplay);
+
+                    sEgl = null;
+                    sEglDisplay = null;
+                    sEglConfig = null;
+                    sPbuffer = null;
+                }
+            }
+        }
+    }
+
+    HardwareCanvas createCanvas() {
+        return mGlCanvas = new GLES20Canvas(mTranslucent);
+    }
+
+    ManagedEGLContext createManagedContext(EGLContext eglContext) {
+        return new GLRendererEglContext(mEglContext);
+    }
+
+    int[] getConfig(boolean dirtyRegions) {
+        //noinspection PointlessBooleanExpression,ConstantConditions
+        final int stencilSize = GLES20Canvas.getStencilSize();
+        final int swapBehavior = dirtyRegions ? EGL14.EGL_SWAP_BEHAVIOR_PRESERVED_BIT : 0;
+
+        return new int[] {
+                EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
+                EGL_RED_SIZE, 8,
+                EGL_GREEN_SIZE, 8,
+                EGL_BLUE_SIZE, 8,
+                EGL_ALPHA_SIZE, 8,
+                EGL_DEPTH_SIZE, 0,
+                EGL_CONFIG_CAVEAT, EGL_NONE,
+                EGL_STENCIL_SIZE, stencilSize,
+                EGL_SURFACE_TYPE, EGL_WINDOW_BIT | swapBehavior,
+                EGL_NONE
+        };
+    }
+
+    void initCaches() {
+        if (GLES20Canvas.initCaches()) {
+            // Caches were (re)initialized, rebind atlas
+            initAtlas();
+        }
+    }
+
+    void initAtlas() {
+        IBinder binder = ServiceManager.getService("assetatlas");
+        if (binder == null) return;
+
+        IAssetAtlas atlas = IAssetAtlas.Stub.asInterface(binder);
+        try {
+            if (atlas.isCompatible(android.os.Process.myPpid())) {
+                GraphicBuffer buffer = atlas.getBuffer();
+                if (buffer != null) {
+                    int[] map = atlas.getMap();
+                    if (map != null) {
+                        GLES20Canvas.initAtlas(buffer, map);
+                    }
+                    // If IAssetAtlas is not the same class as the IBinder
+                    // we are using a remote service and we can safely
+                    // destroy the graphic buffer
+                    if (atlas.getClass() != binder.getClass()) {
+                        buffer.destroy();
+                    }
+                }
+            }
+        } catch (RemoteException e) {
+            Log.w(LOG_TAG, "Could not acquire atlas", e);
+        }
+    }
+
+    boolean canDraw() {
+        return mGl != null && mCanvas != null && mGlCanvas != null;
+    }
+
+    int onPreDraw(Rect dirty) {
+        return mGlCanvas.onPreDraw(dirty);
+    }
+
+    void onPostDraw() {
+        mGlCanvas.onPostDraw();
+    }
+
+    void drawProfileData(View.AttachInfo attachInfo) {
+        if (mDebugDataProvider != null) {
+            final GraphDataProvider provider = mDebugDataProvider;
+            initProfileDrawData(attachInfo, provider);
+
+            final int height = provider.getVerticalUnitSize();
+            final int margin = provider.getHorizontaUnitMargin();
+            final int width = provider.getHorizontalUnitSize();
+
+            int x = 0;
+            int count = 0;
+            int current = 0;
+
+            final float[] data = provider.getData();
+            final int elementCount = provider.getElementCount();
+            final int graphType = provider.getGraphType();
+
+            int totalCount = provider.getFrameCount() * elementCount;
+            if (graphType == GraphDataProvider.GRAPH_TYPE_LINES) {
+                totalCount -= elementCount;
+            }
+
+            for (int i = 0; i < totalCount; i += elementCount) {
+                if (data[i] < 0.0f) break;
+
+                int index = count * 4;
+                if (i == provider.getCurrentFrame() * elementCount) current = index;
+
+                x += margin;
+                int x2 = x + width;
+
+                int y2 = mHeight;
+                int y1 = (int) (y2 - data[i] * height);
+
+                switch (graphType) {
+                    case GraphDataProvider.GRAPH_TYPE_BARS: {
+                        for (int j = 0; j < elementCount; j++) {
+                            //noinspection MismatchedReadAndWriteOfArray
+                            final float[] r = mProfileShapes[j];
+                            r[index] = x;
+                            r[index + 1] = y1;
+                            r[index + 2] = x2;
+                            r[index + 3] = y2;
+
+                            y2 = y1;
+                            if (j < elementCount - 1) {
+                                y1 = (int) (y2 - data[i + j + 1] * height);
+                            }
+                        }
+                    } break;
+                    case GraphDataProvider.GRAPH_TYPE_LINES: {
+                        for (int j = 0; j < elementCount; j++) {
+                            //noinspection MismatchedReadAndWriteOfArray
+                            final float[] r = mProfileShapes[j];
+                            r[index] = (x + x2) * 0.5f;
+                            r[index + 1] = index == 0 ? y1 : r[index - 1];
+                            r[index + 2] = r[index] + width;
+                            r[index + 3] = y1;
+
+                            y2 = y1;
+                            if (j < elementCount - 1) {
+                                y1 = (int) (y2 - data[i + j + 1] * height);
+                            }
+                        }
+                    } break;
+                }
+
+
+                x += width;
+                count++;
+            }
+
+            x += margin;
+
+            drawGraph(graphType, count);
+            drawCurrentFrame(graphType, current);
+            drawThreshold(x, height);
+        }
+    }
+
+    private void drawGraph(int graphType, int count) {
+        for (int i = 0; i < mProfileShapes.length; i++) {
+            mDebugDataProvider.setupGraphPaint(mProfilePaint, i);
+            switch (graphType) {
+                case GraphDataProvider.GRAPH_TYPE_BARS:
+                    mGlCanvas.drawRects(mProfileShapes[i], count * 4, mProfilePaint);
+                    break;
+                case GraphDataProvider.GRAPH_TYPE_LINES:
+                    mGlCanvas.drawLines(mProfileShapes[i], 0, count * 4, mProfilePaint);
+                    break;
+            }
+        }
+    }
+
+    private void drawCurrentFrame(int graphType, int index) {
+        if (index >= 0) {
+            mDebugDataProvider.setupCurrentFramePaint(mProfilePaint);
+            switch (graphType) {
+                case GraphDataProvider.GRAPH_TYPE_BARS:
+                    mGlCanvas.drawRect(mProfileShapes[2][index], mProfileShapes[2][index + 1],
+                            mProfileShapes[2][index + 2], mProfileShapes[0][index + 3],
+                            mProfilePaint);
+                    break;
+                case GraphDataProvider.GRAPH_TYPE_LINES:
+                    mGlCanvas.drawLine(mProfileShapes[2][index], mProfileShapes[2][index + 1],
+                            mProfileShapes[2][index], mHeight, mProfilePaint);
+                    break;
+            }
+        }
+    }
+
+    private void drawThreshold(int x, int height) {
+        float threshold = mDebugDataProvider.getThreshold();
+        if (threshold > 0.0f) {
+            mDebugDataProvider.setupThresholdPaint(mProfilePaint);
+            int y = (int) (mHeight - threshold * height);
+            mGlCanvas.drawLine(0.0f, y, x, y, mProfilePaint);
+        }
+    }
+
+    private void initProfileDrawData(View.AttachInfo attachInfo, GraphDataProvider provider) {
+        if (mProfileShapes == null) {
+            final int elementCount = provider.getElementCount();
+            final int frameCount = provider.getFrameCount();
+
+            mProfileShapes = new float[elementCount][];
+            for (int i = 0; i < elementCount; i++) {
+                mProfileShapes[i] = new float[frameCount * 4];
+            }
+
+            mProfilePaint = new Paint();
+        }
+
+        mProfilePaint.reset();
+        if (provider.getGraphType() == GraphDataProvider.GRAPH_TYPE_LINES) {
+            mProfilePaint.setAntiAlias(true);
+        }
+
+        if (mDisplayMetrics == null) {
+            mDisplayMetrics = new DisplayMetrics();
+        }
+
+        attachInfo.mDisplay.getMetrics(mDisplayMetrics);
+        provider.prepare(mDisplayMetrics);
+    }
+
+    @Override
+    void destroy(boolean full) {
+        try {
+            if (full && mCanvas != null) {
+                mCanvas = null;
+            }
+
+            if (!isEnabled() || mDestroyed) {
+                setEnabled(false);
+                return;
+            }
+
+            destroySurface();
+            setEnabled(false);
+
+            mDestroyed = true;
+            mGl = null;
+        } finally {
+            if (full && mGlCanvas != null) {
+                mGlCanvas = null;
+            }
+        }
+    }
+
+    @Override
+    void pushLayerUpdate(HardwareLayer layer) {
+        mGlCanvas.pushLayerUpdate(layer);
+    }
+
+    @Override
+    void cancelLayerUpdate(HardwareLayer layer) {
+        mGlCanvas.cancelLayerUpdate(layer);
+    }
+
+    @Override
+    void flushLayerUpdates() {
+        mGlCanvas.flushLayerUpdates();
+    }
+
+    @Override
+    HardwareLayer createHardwareLayer(boolean isOpaque) {
+        return new GLES20TextureLayer(isOpaque);
+    }
+
+    @Override
+    public HardwareLayer createHardwareLayer(int width, int height, boolean isOpaque) {
+        return new GLES20RenderLayer(width, height, isOpaque);
+    }
+
+    void countOverdraw(HardwareCanvas canvas) {
+        ((GLES20Canvas) canvas).setCountOverdrawEnabled(true);
+    }
+
+    float getOverdraw(HardwareCanvas canvas) {
+        return ((GLES20Canvas) canvas).getOverdraw();
+    }
+
+    @Override
+    public SurfaceTexture createSurfaceTexture(HardwareLayer layer) {
+        return ((GLES20TextureLayer) layer).getSurfaceTexture();
+    }
+
+    @Override
+    void setSurfaceTexture(HardwareLayer layer, SurfaceTexture surfaceTexture) {
+        ((GLES20TextureLayer) layer).setSurfaceTexture(surfaceTexture);
+    }
+
+    @Override
+    boolean safelyRun(Runnable action) {
+        boolean needsContext = !isEnabled() || checkRenderContext() == SURFACE_STATE_ERROR;
+
+        if (needsContext) {
+            GLRendererEglContext managedContext =
+                    (GLRendererEglContext) sEglContextStorage.get();
+            if (managedContext == null) return false;
+            usePbufferSurface(managedContext.getContext());
+        }
+
+        try {
+            action.run();
+        } finally {
+            if (needsContext) {
+                sEgl.eglMakeCurrent(sEglDisplay, EGL_NO_SURFACE,
+                        EGL_NO_SURFACE, EGL_NO_CONTEXT);
+            }
+        }
+
+        return true;
+    }
+
+    @Override
+    void destroyLayers(final View view) {
+        if (view != null) {
+            safelyRun(new Runnable() {
+                @Override
+                public void run() {
+                    if (mCanvas != null) {
+                        mCanvas.clearLayerUpdates();
+                    }
+                    destroyHardwareLayer(view);
+                    GLES20Canvas.flushCaches(GLES20Canvas.FLUSH_CACHES_LAYERS);
+                }
+            });
+        }
+    }
+
+    private static void destroyHardwareLayer(View view) {
+        view.destroyLayer(true);
+
+        if (view instanceof ViewGroup) {
+            ViewGroup group = (ViewGroup) view;
+
+            int count = group.getChildCount();
+            for (int i = 0; i < count; i++) {
+                destroyHardwareLayer(group.getChildAt(i));
+            }
+        }
+    }
+
+    @Override
+    void destroyHardwareResources(final View view) {
+        if (view != null) {
+            safelyRun(new Runnable() {
+                @Override
+                public void run() {
+                    if (mCanvas != null) {
+                        mCanvas.clearLayerUpdates();
+                    }
+                    destroyResources(view);
+                    GLES20Canvas.flushCaches(GLES20Canvas.FLUSH_CACHES_LAYERS);
+                }
+            });
+        }
+    }
+
+    private static void destroyResources(View view) {
+        view.destroyHardwareResources();
+
+        if (view instanceof ViewGroup) {
+            ViewGroup group = (ViewGroup) view;
+
+            int count = group.getChildCount();
+            for (int i = 0; i < count; i++) {
+                destroyResources(group.getChildAt(i));
+            }
+        }
+    }
+
+    static void startTrimMemory(int level) {
+        if (sEgl == null || sEglConfig == null) return;
+
+        GLRendererEglContext managedContext =
+                (GLRendererEglContext) sEglContextStorage.get();
+        // We do not have OpenGL objects
+        if (managedContext == null) {
+            return;
+        } else {
+            usePbufferSurface(managedContext.getContext());
+        }
+
+        if (level >= ComponentCallbacks2.TRIM_MEMORY_COMPLETE) {
+            GLES20Canvas.flushCaches(GLES20Canvas.FLUSH_CACHES_FULL);
+        } else if (level >= ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN) {
+            GLES20Canvas.flushCaches(GLES20Canvas.FLUSH_CACHES_MODERATE);
+        }
+    }
+
+    static void endTrimMemory() {
+        if (sEgl != null && sEglDisplay != null) {
+            sEgl.eglMakeCurrent(sEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+        }
+    }
+
+    private static void usePbufferSurface(EGLContext eglContext) {
+        synchronized (sPbufferLock) {
+            // Create a temporary 1x1 pbuffer so we have a context
+            // to clear our OpenGL objects
+            if (sPbuffer == null) {
+                sPbuffer = sEgl.eglCreatePbufferSurface(sEglDisplay, sEglConfig, new int[] {
+                        EGL_WIDTH, 1, EGL_HEIGHT, 1, EGL_NONE
+                });
+            }
+        }
+        sEgl.eglMakeCurrent(sEglDisplay, sPbuffer, sPbuffer, eglContext);
+    }
+
+    GLRenderer(boolean translucent) {
+        mTranslucent = translucent;
+
+        loadSystemProperties(null);
+    }
+
+    @Override
+    boolean loadSystemProperties(Surface surface) {
+        boolean value;
+        boolean changed = false;
+
+        String profiling = SystemProperties.get(PROFILE_PROPERTY);
+        int graphType = search(VISUALIZERS, profiling);
+        value = graphType >= 0;
+
+        if (graphType != mProfileVisualizerType) {
+            changed = true;
+            mProfileVisualizerType = graphType;
+
+            mProfileShapes = null;
+            mProfilePaint = null;
+
+            if (value) {
+                mDebugDataProvider = new DrawPerformanceDataProvider(graphType);
+            } else {
+                mDebugDataProvider = null;
+            }
+        }
+
+        // If on-screen profiling is not enabled, we need to check whether
+        // console profiling only is enabled
+        if (!value) {
+            value = Boolean.parseBoolean(profiling);
+        }
+
+        if (value != mProfileEnabled) {
+            changed = true;
+            mProfileEnabled = value;
+
+            if (mProfileEnabled) {
+                Log.d(LOG_TAG, "Profiling hardware renderer");
+
+                int maxProfileFrames = SystemProperties.getInt(PROFILE_MAXFRAMES_PROPERTY,
+                        PROFILE_MAX_FRAMES);
+                mProfileData = new float[maxProfileFrames * PROFILE_FRAME_DATA_COUNT];
+                for (int i = 0; i < mProfileData.length; i += PROFILE_FRAME_DATA_COUNT) {
+                    mProfileData[i] = mProfileData[i + 1] = mProfileData[i + 2] = -1;
+                }
+
+                mProfileLock = new ReentrantLock();
+            } else {
+                mProfileData = null;
+                mProfileLock = null;
+                mProfileVisualizerType = -1;
+            }
+
+            mProfileCurrentFrame = -PROFILE_FRAME_DATA_COUNT;
+        }
+
+        value = SystemProperties.getBoolean(DEBUG_DIRTY_REGIONS_PROPERTY, false);
+        if (value != mDebugDirtyRegions) {
+            changed = true;
+            mDebugDirtyRegions = value;
+
+            if (mDebugDirtyRegions) {
+                Log.d(LOG_TAG, "Debugging dirty regions");
+            }
+        }
+
+        String overdraw = SystemProperties.get(HardwareRenderer.DEBUG_OVERDRAW_PROPERTY);
+        int debugOverdraw = search(OVERDRAW, overdraw);
+        if (debugOverdraw != mDebugOverdraw) {
+            changed = true;
+            mDebugOverdraw = debugOverdraw;
+
+            if (mDebugOverdraw != OVERDRAW_TYPE_COUNT) {
+                if (mDebugOverdrawLayer != null) {
+                    mDebugOverdrawLayer.destroy();
+                    mDebugOverdrawLayer = null;
+                    mDebugOverdrawPaint = null;
+                }
+            }
+        }
+
+        if (loadProperties()) {
+            changed = true;
+        }
+
+        return changed;
+    }
+
+    private static int search(String[] values, String value) {
+        for (int i = 0; i < values.length; i++) {
+            if (values[i].equals(value)) return i;
+        }
+        return -1;
+    }
+
+    @Override
+    void dumpGfxInfo(PrintWriter pw) {
+        if (mProfileEnabled) {
+            pw.printf("\n\tDraw\tProcess\tExecute\n");
+
+            mProfileLock.lock();
+            try {
+                for (int i = 0; i < mProfileData.length; i += PROFILE_FRAME_DATA_COUNT) {
+                    if (mProfileData[i] < 0) {
+                        break;
+                    }
+                    pw.printf("\t%3.2f\t%3.2f\t%3.2f\n", mProfileData[i], mProfileData[i + 1],
+                            mProfileData[i + 2]);
+                    mProfileData[i] = mProfileData[i + 1] = mProfileData[i + 2] = -1;
+                }
+                mProfileCurrentFrame = mProfileData.length;
+            } finally {
+                mProfileLock.unlock();
+            }
+        }
+    }
+
+    @Override
+    long getFrameCount() {
+        return mFrameCount;
+    }
+
+    /**
+     * Indicates whether this renderer instance can track and update dirty regions.
+     */
+    boolean hasDirtyRegions() {
+        return mDirtyRegionsEnabled;
+    }
+
+    /**
+     * Checks for OpenGL errors. If an error has occured, {@link #destroy(boolean)}
+     * is invoked and the requested flag is turned off. The error code is
+     * also logged as a warning.
+     */
+    void checkEglErrors() {
+        if (isEnabled()) {
+            checkEglErrorsForced();
+        }
+    }
+
+    private void checkEglErrorsForced() {
+        int error = sEgl.eglGetError();
+        if (error != EGL_SUCCESS) {
+            // something bad has happened revert to
+            // normal rendering.
+            Log.w(LOG_TAG, "EGL error: " + GLUtils.getEGLErrorString(error));
+            fallback(error != EGL11.EGL_CONTEXT_LOST);
+        }
+    }
+
+    private void fallback(boolean fallback) {
+        destroy(true);
+        if (fallback) {
+            // we'll try again if it was context lost
+            setRequested(false);
+            Log.w(LOG_TAG, "Mountain View, we've had a problem here. "
+                    + "Switching back to software rendering.");
+        }
+    }
+
+    @Override
+    boolean initialize(Surface surface) throws OutOfResourcesException {
+        if (isRequested() && !isEnabled()) {
+            boolean contextCreated = initializeEgl();
+            mGl = createEglSurface(surface);
+            mDestroyed = false;
+
+            if (mGl != null) {
+                int err = sEgl.eglGetError();
+                if (err != EGL_SUCCESS) {
+                    destroy(true);
+                    setRequested(false);
+                } else {
+                    if (mCanvas == null) {
+                        mCanvas = createCanvas();
+                        mCanvas.setName(mName);
+                    }
+                    setEnabled(true);
+
+                    if (contextCreated) {
+                        initAtlas();
+                    }
+                }
+
+                return mCanvas != null;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    void updateSurface(Surface surface) throws OutOfResourcesException {
+        if (isRequested() && isEnabled()) {
+            createEglSurface(surface);
+        }
+    }
+
+    boolean initializeEgl() {
+        synchronized (sEglLock) {
+            if (sEgl == null && sEglConfig == null) {
+                sEgl = (EGL10) EGLContext.getEGL();
+
+                // Get to the default display.
+                sEglDisplay = sEgl.eglGetDisplay(EGL_DEFAULT_DISPLAY);
+
+                if (sEglDisplay == EGL_NO_DISPLAY) {
+                    throw new RuntimeException("eglGetDisplay failed "
+                            + GLUtils.getEGLErrorString(sEgl.eglGetError()));
+                }
+
+                // We can now initialize EGL for that display
+                int[] version = new int[2];
+                if (!sEgl.eglInitialize(sEglDisplay, version)) {
+                    throw new RuntimeException("eglInitialize failed " +
+                            GLUtils.getEGLErrorString(sEgl.eglGetError()));
+                }
+
+                checkEglErrorsForced();
+
+                sEglConfig = loadEglConfig();
+            }
+        }
+
+        ManagedEGLContext managedContext = sEglContextStorage.get();
+        mEglContext = managedContext != null ? managedContext.getContext() : null;
+        mEglThread = Thread.currentThread();
+
+        if (mEglContext == null) {
+            mEglContext = createContext(sEgl, sEglDisplay, sEglConfig);
+            sEglContextStorage.set(createManagedContext(mEglContext));
+            return true;
+        }
+
+        return false;
+    }
+
+    private EGLConfig loadEglConfig() {
+        EGLConfig eglConfig = chooseEglConfig();
+        if (eglConfig == null) {
+            // We tried to use EGL_SWAP_BEHAVIOR_PRESERVED_BIT, try again without
+            if (sDirtyRegions) {
+                sDirtyRegions = false;
+                eglConfig = chooseEglConfig();
+                if (eglConfig == null) {
+                    throw new RuntimeException("eglConfig not initialized");
+                }
+            } else {
+                throw new RuntimeException("eglConfig not initialized");
+            }
+        }
+        return eglConfig;
+    }
+
+    private EGLConfig chooseEglConfig() {
+        EGLConfig[] configs = new EGLConfig[1];
+        int[] configsCount = new int[1];
+        int[] configSpec = getConfig(sDirtyRegions);
+
+        // Debug
+        final String debug = SystemProperties.get(PRINT_CONFIG_PROPERTY, "");
+        if ("all".equalsIgnoreCase(debug)) {
+            sEgl.eglChooseConfig(sEglDisplay, configSpec, null, 0, configsCount);
+
+            EGLConfig[] debugConfigs = new EGLConfig[configsCount[0]];
+            sEgl.eglChooseConfig(sEglDisplay, configSpec, debugConfigs,
+                    configsCount[0], configsCount);
+
+            for (EGLConfig config : debugConfigs) {
+                printConfig(config);
+            }
+        }
+
+        if (!sEgl.eglChooseConfig(sEglDisplay, configSpec, configs, 1, configsCount)) {
+            throw new IllegalArgumentException("eglChooseConfig failed " +
+                    GLUtils.getEGLErrorString(sEgl.eglGetError()));
+        } else if (configsCount[0] > 0) {
+            if ("choice".equalsIgnoreCase(debug)) {
+                printConfig(configs[0]);
+            }
+            return configs[0];
+        }
+
+        return null;
+    }
+
+    private static void printConfig(EGLConfig config) {
+        int[] value = new int[1];
+
+        Log.d(LOG_TAG, "EGL configuration " + config + ":");
+
+        sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_RED_SIZE, value);
+        Log.d(LOG_TAG, "  RED_SIZE = " + value[0]);
+
+        sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_GREEN_SIZE, value);
+        Log.d(LOG_TAG, "  GREEN_SIZE = " + value[0]);
+
+        sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_BLUE_SIZE, value);
+        Log.d(LOG_TAG, "  BLUE_SIZE = " + value[0]);
+
+        sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_ALPHA_SIZE, value);
+        Log.d(LOG_TAG, "  ALPHA_SIZE = " + value[0]);
+
+        sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_DEPTH_SIZE, value);
+        Log.d(LOG_TAG, "  DEPTH_SIZE = " + value[0]);
+
+        sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_STENCIL_SIZE, value);
+        Log.d(LOG_TAG, "  STENCIL_SIZE = " + value[0]);
+
+        sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_SAMPLE_BUFFERS, value);
+        Log.d(LOG_TAG, "  SAMPLE_BUFFERS = " + value[0]);
+
+        sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_SAMPLES, value);
+        Log.d(LOG_TAG, "  SAMPLES = " + value[0]);
+
+        sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_SURFACE_TYPE, value);
+        Log.d(LOG_TAG, "  SURFACE_TYPE = 0x" + Integer.toHexString(value[0]));
+
+        sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_CONFIG_CAVEAT, value);
+        Log.d(LOG_TAG, "  CONFIG_CAVEAT = 0x" + Integer.toHexString(value[0]));
+    }
+
+    GL createEglSurface(Surface surface) throws OutOfResourcesException {
+        // Check preconditions.
+        if (sEgl == null) {
+            throw new RuntimeException("egl not initialized");
+        }
+        if (sEglDisplay == null) {
+            throw new RuntimeException("eglDisplay not initialized");
+        }
+        if (sEglConfig == null) {
+            throw new RuntimeException("eglConfig not initialized");
+        }
+        if (Thread.currentThread() != mEglThread) {
+            throw new IllegalStateException("HardwareRenderer cannot be used "
+                    + "from multiple threads");
+        }
+
+        // In case we need to destroy an existing surface
+        destroySurface();
+
+        // Create an EGL surface we can render into.
+        if (!createSurface(surface)) {
+            return null;
+        }
+
+        initCaches();
+
+        return mEglContext.getGL();
+    }
+
+    private void enableDirtyRegions() {
+        // If mDirtyRegions is set, this means we have an EGL configuration
+        // with EGL_SWAP_BEHAVIOR_PRESERVED_BIT set
+        if (sDirtyRegions) {
+            if (!(mDirtyRegionsEnabled = preserveBackBuffer())) {
+                Log.w(LOG_TAG, "Backbuffer cannot be preserved");
+            }
+        } else if (sDirtyRegionsRequested) {
+            // If mDirtyRegions is not set, our EGL configuration does not
+            // have EGL_SWAP_BEHAVIOR_PRESERVED_BIT; however, the default
+            // swap behavior might be EGL_BUFFER_PRESERVED, which means we
+            // want to set mDirtyRegions. We try to do this only if dirty
+            // regions were initially requested as part of the device
+            // configuration (see RENDER_DIRTY_REGIONS)
+            mDirtyRegionsEnabled = isBackBufferPreserved();
+        }
+    }
+
+    EGLContext createContext(EGL10 egl, EGLDisplay eglDisplay, EGLConfig eglConfig) {
+        final int[] attribs = { EGL14.EGL_CONTEXT_CLIENT_VERSION, GL_VERSION, EGL_NONE };
+
+        EGLContext context = egl.eglCreateContext(eglDisplay, eglConfig, EGL_NO_CONTEXT,
+                attribs);
+        if (context == null || context == EGL_NO_CONTEXT) {
+            //noinspection ConstantConditions
+            throw new IllegalStateException(
+                    "Could not create an EGL context. eglCreateContext failed with error: " +
+                    GLUtils.getEGLErrorString(sEgl.eglGetError()));
+        }
+
+        return context;
+    }
+
+    void destroySurface() {
+        if (mEglSurface != null && mEglSurface != EGL_NO_SURFACE) {
+            if (mEglSurface.equals(sEgl.eglGetCurrentSurface(EGL_DRAW))) {
+                sEgl.eglMakeCurrent(sEglDisplay,
+                        EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+            }
+            sEgl.eglDestroySurface(sEglDisplay, mEglSurface);
+            mEglSurface = null;
+        }
+    }
+
+    @Override
+    void invalidate(Surface surface) {
+        // Cancels any existing buffer to ensure we'll get a buffer
+        // of the right size before we call eglSwapBuffers
+        sEgl.eglMakeCurrent(sEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+
+        if (mEglSurface != null && mEglSurface != EGL_NO_SURFACE) {
+            sEgl.eglDestroySurface(sEglDisplay, mEglSurface);
+            mEglSurface = null;
+            setEnabled(false);
+        }
+
+        if (surface.isValid()) {
+            if (!createSurface(surface)) {
+                return;
+            }
+
+            mUpdateDirtyRegions = true;
+
+            if (mCanvas != null) {
+                setEnabled(true);
+            }
+        }
+    }
+
+    private boolean createSurface(Surface surface) {
+        mEglSurface = sEgl.eglCreateWindowSurface(sEglDisplay, sEglConfig, surface, null);
+
+        if (mEglSurface == null || mEglSurface == EGL_NO_SURFACE) {
+            int error = sEgl.eglGetError();
+            if (error == EGL_BAD_NATIVE_WINDOW) {
+                Log.e(LOG_TAG, "createWindowSurface returned EGL_BAD_NATIVE_WINDOW.");
+                return false;
+            }
+            throw new RuntimeException("createWindowSurface failed "
+                    + GLUtils.getEGLErrorString(error));
+        }
+
+        if (!sEgl.eglMakeCurrent(sEglDisplay, mEglSurface, mEglSurface, mEglContext)) {
+            throw new IllegalStateException("eglMakeCurrent failed " +
+                    GLUtils.getEGLErrorString(sEgl.eglGetError()));
+        }
+
+        enableDirtyRegions();
+
+        return true;
+    }
+
+    @Override
+    boolean validate() {
+        return checkRenderContext() != SURFACE_STATE_ERROR;
+    }
+
+    @Override
+    void setup(int width, int height) {
+        if (validate()) {
+            mCanvas.setViewport(width, height);
+            mWidth = width;
+            mHeight = height;
+        }
+    }
+
+    @Override
+    int getWidth() {
+        return mWidth;
+    }
+
+    @Override
+    int getHeight() {
+        return mHeight;
+    }
+
+    @Override
+    HardwareCanvas getCanvas() {
+        return mCanvas;
+    }
+
+    @Override
+    void setName(String name) {
+        mName = name;
+    }
+
+    class FunctorsRunnable implements Runnable {
+        View.AttachInfo attachInfo;
+
+        @Override
+        public void run() {
+            final HardwareRenderer renderer = attachInfo.mHardwareRenderer;
+            if (renderer == null || !renderer.isEnabled() || renderer != GLRenderer.this) {
+                return;
+            }
+
+            if (checkRenderContext() != SURFACE_STATE_ERROR) {
+                int status = mCanvas.invokeFunctors(mRedrawClip);
+                handleFunctorStatus(attachInfo, status);
+            }
+        }
+    }
+
+    @Override
+    void draw(View view, View.AttachInfo attachInfo, HardwareDrawCallbacks callbacks,
+            Rect dirty) {
+        if (canDraw()) {
+            if (!hasDirtyRegions()) {
+                dirty = null;
+            }
+            attachInfo.mIgnoreDirtyState = true;
+            attachInfo.mDrawingTime = SystemClock.uptimeMillis();
+
+            view.mPrivateFlags |= View.PFLAG_DRAWN;
+
+            // We are already on the correct thread
+            final int surfaceState = checkRenderContextUnsafe();
+            if (surfaceState != SURFACE_STATE_ERROR) {
+                HardwareCanvas canvas = mCanvas;
+                attachInfo.mHardwareCanvas = canvas;
+
+                if (mProfileEnabled) {
+                    mProfileLock.lock();
+                }
+
+                dirty = beginFrame(canvas, dirty, surfaceState);
+
+                DisplayList displayList = buildDisplayList(view, canvas);
+
+                // buildDisplayList() calls into user code which can cause
+                // an eglMakeCurrent to happen with a different surface/context.
+                // We must therefore check again here.
+                if (checkRenderContextUnsafe() == SURFACE_STATE_ERROR) {
+                    return;
+                }
+
+                int saveCount = 0;
+                int status = DisplayList.STATUS_DONE;
+
+                long start = getSystemTime();
+                try {
+                    status = prepareFrame(dirty);
+
+                    saveCount = canvas.save();
+                    callbacks.onHardwarePreDraw(canvas);
+
+                    if (displayList != null) {
+                        status |= drawDisplayList(attachInfo, canvas, displayList, status);
+                    } else {
+                        // Shouldn't reach here
+                        view.draw(canvas);
+                    }
+                } catch (Exception e) {
+                    Log.e(LOG_TAG, "An error has occurred while drawing:", e);
+                } finally {
+                    callbacks.onHardwarePostDraw(canvas);
+                    canvas.restoreToCount(saveCount);
+                    view.mRecreateDisplayList = false;
+
+                    mDrawDelta = getSystemTime() - start;
+
+                    if (mDrawDelta > 0) {
+                        mFrameCount++;
+
+                        debugOverdraw(attachInfo, dirty, canvas, displayList);
+                        debugDirtyRegions(dirty, canvas);
+                        drawProfileData(attachInfo);
+                    }
+                }
+
+                onPostDraw();
+
+                swapBuffers(status);
+
+                if (mProfileEnabled) {
+                    mProfileLock.unlock();
+                }
+
+                attachInfo.mIgnoreDirtyState = false;
+            }
+        }
+    }
+
+    private void debugOverdraw(View.AttachInfo attachInfo, Rect dirty,
+            HardwareCanvas canvas, DisplayList displayList) {
+
+        if (mDebugOverdraw == OVERDRAW_TYPE_COUNT) {
+            if (mDebugOverdrawLayer == null) {
+                mDebugOverdrawLayer = createHardwareLayer(mWidth, mHeight, true);
+            } else if (mDebugOverdrawLayer.getWidth() != mWidth ||
+                    mDebugOverdrawLayer.getHeight() != mHeight) {
+                mDebugOverdrawLayer.resize(mWidth, mHeight);
+            }
+
+            if (!mDebugOverdrawLayer.isValid()) {
+                mDebugOverdraw = -1;
+                return;
+            }
+
+            HardwareCanvas layerCanvas = mDebugOverdrawLayer.start(canvas, dirty);
+            countOverdraw(layerCanvas);
+            final int restoreCount = layerCanvas.save();
+            layerCanvas.drawDisplayList(displayList, null, DisplayList.FLAG_CLIP_CHILDREN);
+            layerCanvas.restoreToCount(restoreCount);
+            mDebugOverdrawLayer.end(canvas);
+
+            float overdraw = getOverdraw(layerCanvas);
+            DisplayMetrics metrics = attachInfo.mRootView.getResources().getDisplayMetrics();
+
+            drawOverdrawCounter(canvas, overdraw, metrics.density);
+        }
+    }
+
+    private void drawOverdrawCounter(HardwareCanvas canvas, float overdraw, float density) {
+        final String text = String.format("%.2fx", overdraw);
+        final Paint paint = setupPaint(density);
+        // HSBtoColor will clamp the values in the 0..1 range
+        paint.setColor(Color.HSBtoColor(0.28f - 0.28f * overdraw / 3.5f, 0.8f, 1.0f));
+
+        canvas.drawText(text, density * 4.0f, mHeight - paint.getFontMetrics().bottom, paint);
+    }
+
+    private Paint setupPaint(float density) {
+        if (mDebugOverdrawPaint == null) {
+            mDebugOverdrawPaint = new Paint();
+            mDebugOverdrawPaint.setAntiAlias(true);
+            mDebugOverdrawPaint.setShadowLayer(density * 3.0f, 0.0f, 0.0f, 0xff000000);
+            mDebugOverdrawPaint.setTextSize(density * 20.0f);
+        }
+        return mDebugOverdrawPaint;
+    }
+
+    private DisplayList buildDisplayList(View view, HardwareCanvas canvas) {
+        if (mDrawDelta <= 0) {
+            return view.mDisplayList;
+        }
+
+        view.mRecreateDisplayList = (view.mPrivateFlags & View.PFLAG_INVALIDATED)
+                == View.PFLAG_INVALIDATED;
+        view.mPrivateFlags &= ~View.PFLAG_INVALIDATED;
+
+        long buildDisplayListStartTime = startBuildDisplayListProfiling();
+        canvas.clearLayerUpdates();
+
+        Trace.traceBegin(Trace.TRACE_TAG_VIEW, "getDisplayList");
+        DisplayList displayList = view.getDisplayList();
+        Trace.traceEnd(Trace.TRACE_TAG_VIEW);
+
+        endBuildDisplayListProfiling(buildDisplayListStartTime);
+
+        return displayList;
+    }
+
+    private Rect beginFrame(HardwareCanvas canvas, Rect dirty, int surfaceState) {
+        // We had to change the current surface and/or context, redraw everything
+        if (surfaceState == SURFACE_STATE_UPDATED) {
+            dirty = null;
+            beginFrame(null);
+        } else {
+            int[] size = mSurfaceSize;
+            beginFrame(size);
+
+            if (size[1] != mHeight || size[0] != mWidth) {
+                mWidth = size[0];
+                mHeight = size[1];
+
+                canvas.setViewport(mWidth, mHeight);
+
+                dirty = null;
+            }
+        }
+
+        if (mDebugDataProvider != null) dirty = null;
+
+        return dirty;
+    }
+
+    private long startBuildDisplayListProfiling() {
+        if (mProfileEnabled) {
+            mProfileCurrentFrame += PROFILE_FRAME_DATA_COUNT;
+            if (mProfileCurrentFrame >= mProfileData.length) {
+                mProfileCurrentFrame = 0;
+            }
+
+            return System.nanoTime();
+        }
+        return 0;
+    }
+
+    private void endBuildDisplayListProfiling(long getDisplayListStartTime) {
+        if (mProfileEnabled) {
+            long now = System.nanoTime();
+            float total = (now - getDisplayListStartTime) * 0.000001f;
+            //noinspection PointlessArithmeticExpression
+            mProfileData[mProfileCurrentFrame] = total;
+        }
+    }
+
+    private int prepareFrame(Rect dirty) {
+        int status;
+        Trace.traceBegin(Trace.TRACE_TAG_VIEW, "prepareFrame");
+        try {
+            status = onPreDraw(dirty);
+        } finally {
+            Trace.traceEnd(Trace.TRACE_TAG_VIEW);
+        }
+        return status;
+    }
+
+    private int drawDisplayList(View.AttachInfo attachInfo, HardwareCanvas canvas,
+            DisplayList displayList, int status) {
+
+        long drawDisplayListStartTime = 0;
+        if (mProfileEnabled) {
+            drawDisplayListStartTime = System.nanoTime();
+        }
+
+        Trace.traceBegin(Trace.TRACE_TAG_VIEW, "drawDisplayList");
+        try {
+            status |= canvas.drawDisplayList(displayList, mRedrawClip,
+                    DisplayList.FLAG_CLIP_CHILDREN);
+        } finally {
+            Trace.traceEnd(Trace.TRACE_TAG_VIEW);
+        }
+
+        if (mProfileEnabled) {
+            long now = System.nanoTime();
+            float total = (now - drawDisplayListStartTime) * 0.000001f;
+            mProfileData[mProfileCurrentFrame + 1] = total;
+        }
+
+        handleFunctorStatus(attachInfo, status);
+        return status;
+    }
+
+    private void swapBuffers(int status) {
+        if ((status & DisplayList.STATUS_DREW) == DisplayList.STATUS_DREW) {
+            long eglSwapBuffersStartTime = 0;
+            if (mProfileEnabled) {
+                eglSwapBuffersStartTime = System.nanoTime();
+            }
+
+            sEgl.eglSwapBuffers(sEglDisplay, mEglSurface);
+
+            if (mProfileEnabled) {
+                long now = System.nanoTime();
+                float total = (now - eglSwapBuffersStartTime) * 0.000001f;
+                mProfileData[mProfileCurrentFrame + 2] = total;
+            }
+
+            checkEglErrors();
+        }
+    }
+
+    private void debugDirtyRegions(Rect dirty, HardwareCanvas canvas) {
+        if (mDebugDirtyRegions) {
+            if (mDebugPaint == null) {
+                mDebugPaint = new Paint();
+                mDebugPaint.setColor(0x7fff0000);
+            }
+
+            if (dirty != null && (mFrameCount & 1) == 0) {
+                canvas.drawRect(dirty, mDebugPaint);
+            }
+        }
+    }
+
+    private void handleFunctorStatus(View.AttachInfo attachInfo, int status) {
+        // If the draw flag is set, functors will be invoked while executing
+        // the tree of display lists
+        if ((status & DisplayList.STATUS_DRAW) != 0) {
+            if (mRedrawClip.isEmpty()) {
+                attachInfo.mViewRootImpl.invalidate();
+            } else {
+                attachInfo.mViewRootImpl.invalidateChildInParent(null, mRedrawClip);
+                mRedrawClip.setEmpty();
+            }
+        }
+
+        if ((status & DisplayList.STATUS_INVOKE) != 0 ||
+                attachInfo.mHandler.hasCallbacks(mFunctorsRunnable)) {
+            attachInfo.mHandler.removeCallbacks(mFunctorsRunnable);
+            mFunctorsRunnable.attachInfo = attachInfo;
+            attachInfo.mHandler.postDelayed(mFunctorsRunnable, FUNCTOR_PROCESS_DELAY);
+        }
+    }
+
+    @Override
+    void detachFunctor(int functor) {
+        if (mCanvas != null) {
+            mCanvas.detachFunctor(functor);
+        }
+    }
+
+    @Override
+    boolean attachFunctor(View.AttachInfo attachInfo, int functor) {
+        if (mCanvas != null) {
+            mCanvas.attachFunctor(functor);
+            mFunctorsRunnable.attachInfo = attachInfo;
+            attachInfo.mHandler.removeCallbacks(mFunctorsRunnable);
+            attachInfo.mHandler.postDelayed(mFunctorsRunnable,  0);
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Ensures the current EGL context and surface are the ones we expect.
+     * This method throws an IllegalStateException if invoked from a thread
+     * that did not initialize EGL.
+     *
+     * @return {@link #SURFACE_STATE_ERROR} if the correct EGL context cannot be made current,
+     *         {@link #SURFACE_STATE_UPDATED} if the EGL context was changed or
+     *         {@link #SURFACE_STATE_SUCCESS} if the EGL context was the correct one
+     *
+     * @see #checkRenderContextUnsafe()
+     */
+    int checkRenderContext() {
+        if (mEglThread != Thread.currentThread()) {
+            throw new IllegalStateException("Hardware acceleration can only be used with a " +
+                    "single UI thread.\nOriginal thread: " + mEglThread + "\n" +
+                    "Current thread: " + Thread.currentThread());
+        }
+
+        return checkRenderContextUnsafe();
+    }
+
+    /**
+     * Ensures the current EGL context and surface are the ones we expect.
+     * This method does not check the current thread.
+     *
+     * @return {@link #SURFACE_STATE_ERROR} if the correct EGL context cannot be made current,
+     *         {@link #SURFACE_STATE_UPDATED} if the EGL context was changed or
+     *         {@link #SURFACE_STATE_SUCCESS} if the EGL context was the correct one
+     *
+     * @see #checkRenderContext()
+     */
+    private int checkRenderContextUnsafe() {
+        if (!mEglSurface.equals(sEgl.eglGetCurrentSurface(EGL_DRAW)) ||
+                !mEglContext.equals(sEgl.eglGetCurrentContext())) {
+            if (!sEgl.eglMakeCurrent(sEglDisplay, mEglSurface, mEglSurface, mEglContext)) {
+                Log.e(LOG_TAG, "eglMakeCurrent failed " +
+                        GLUtils.getEGLErrorString(sEgl.eglGetError()));
+                fallback(true);
+                return SURFACE_STATE_ERROR;
+            } else {
+                if (mUpdateDirtyRegions) {
+                    enableDirtyRegions();
+                    mUpdateDirtyRegions = false;
+                }
+                return SURFACE_STATE_UPDATED;
+            }
+        }
+        return SURFACE_STATE_SUCCESS;
+    }
+
+    private static int dpToPx(int dp, float density) {
+        return (int) (dp * density + 0.5f);
+    }
+
+    private static native boolean loadProperties();
+
+    static native void setupShadersDiskCache(String cacheFile);
+
+    /**
+     * Notifies EGL that the frame is about to be rendered.
+     * @param size
+     */
+    private static native void beginFrame(int[] size);
+
+    /**
+     * Returns the current system time according to the renderer.
+     * This method is used for debugging only and should not be used
+     * as a clock.
+     */
+    private static native long getSystemTime();
+
+    /**
+     * Preserves the back buffer of the current surface after a buffer swap.
+     * Calling this method sets the EGL_SWAP_BEHAVIOR attribute of the current
+     * surface to EGL_BUFFER_PRESERVED. Calling this method requires an EGL
+     * config that supports EGL_SWAP_BEHAVIOR_PRESERVED_BIT.
+     *
+     * @return True if the swap behavior was successfully changed,
+     *         false otherwise.
+     */
+    private static native boolean preserveBackBuffer();
+
+    /**
+     * Indicates whether the current surface preserves its back buffer
+     * after a buffer swap.
+     *
+     * @return True, if the surface's EGL_SWAP_BEHAVIOR is EGL_BUFFER_PRESERVED,
+     *         false otherwise
+     */
+    private static native boolean isBackBufferPreserved();
+
+    class DrawPerformanceDataProvider extends GraphDataProvider {
+        private final int mGraphType;
+
+        private int mVerticalUnit;
+        private int mHorizontalUnit;
+        private int mHorizontalMargin;
+        private int mThresholdStroke;
+
+        DrawPerformanceDataProvider(int graphType) {
+            mGraphType = graphType;
+        }
+
+        @Override
+        void prepare(DisplayMetrics metrics) {
+            final float density = metrics.density;
+
+            mVerticalUnit = dpToPx(PROFILE_DRAW_DP_PER_MS, density);
+            mHorizontalUnit = dpToPx(PROFILE_DRAW_WIDTH, density);
+            mHorizontalMargin = dpToPx(PROFILE_DRAW_MARGIN, density);
+            mThresholdStroke = dpToPx(PROFILE_DRAW_THRESHOLD_STROKE_WIDTH, density);
+        }
+
+        @Override
+        int getGraphType() {
+            return mGraphType;
+        }
+
+        @Override
+        int getVerticalUnitSize() {
+            return mVerticalUnit;
+        }
+
+        @Override
+        int getHorizontalUnitSize() {
+            return mHorizontalUnit;
+        }
+
+        @Override
+        int getHorizontaUnitMargin() {
+            return mHorizontalMargin;
+        }
+
+        @Override
+        float[] getData() {
+            return mProfileData;
+        }
+
+        @Override
+        float getThreshold() {
+            return 16;
+        }
+
+        @Override
+        int getFrameCount() {
+            return mProfileData.length / PROFILE_FRAME_DATA_COUNT;
+        }
+
+        @Override
+        int getElementCount() {
+            return PROFILE_FRAME_DATA_COUNT;
+        }
+
+        @Override
+        int getCurrentFrame() {
+            return mProfileCurrentFrame / PROFILE_FRAME_DATA_COUNT;
+        }
+
+        @Override
+        void setupGraphPaint(Paint paint, int elementIndex) {
+            paint.setColor(PROFILE_DRAW_COLORS[elementIndex]);
+            if (mGraphType == GRAPH_TYPE_LINES) paint.setStrokeWidth(mThresholdStroke);
+        }
+
+        @Override
+        void setupThresholdPaint(Paint paint) {
+            paint.setColor(PROFILE_DRAW_THRESHOLD_COLOR);
+            paint.setStrokeWidth(mThresholdStroke);
+        }
+
+        @Override
+        void setupCurrentFramePaint(Paint paint) {
+            paint.setColor(PROFILE_DRAW_CURRENT_FRAME_COLOR);
+            if (mGraphType == GRAPH_TYPE_LINES) paint.setStrokeWidth(mThresholdStroke);
+        }
+    }
+}
diff --git a/core/java/android/view/HardwareRenderer.java b/core/java/android/view/HardwareRenderer.java
index 4ddae19..5c0be4a 100644
--- a/core/java/android/view/HardwareRenderer.java
+++ b/core/java/android/view/HardwareRenderer.java
@@ -16,41 +16,14 @@
 
 package android.view;
 
-import android.content.ComponentCallbacks2;
-import android.graphics.Color;
 import android.graphics.Paint;
 import android.graphics.Rect;
 import android.graphics.SurfaceTexture;
-import android.opengl.EGL14;
-import android.opengl.GLUtils;
-import android.opengl.ManagedEGLContext;
-import android.os.Handler;
-import android.os.IBinder;
-import android.os.Looper;
-import android.os.RemoteException;
-import android.os.ServiceManager;
-import android.os.SystemClock;
-import android.os.SystemProperties;
-import android.os.Trace;
 import android.util.DisplayMetrics;
-import android.util.Log;
 import android.view.Surface.OutOfResourcesException;
 
-import com.google.android.gles_jni.EGLImpl;
-
-import javax.microedition.khronos.egl.EGL10;
-import javax.microedition.khronos.egl.EGL11;
-import javax.microedition.khronos.egl.EGLConfig;
-import javax.microedition.khronos.egl.EGLContext;
-import javax.microedition.khronos.egl.EGLDisplay;
-import javax.microedition.khronos.egl.EGLSurface;
-import javax.microedition.khronos.opengles.GL;
-
 import java.io.File;
 import java.io.PrintWriter;
-import java.util.concurrent.locks.ReentrantLock;
-
-import static javax.microedition.khronos.egl.EGL10.*;
 
 /**
  * Interface for rendering a view hierarchy using hardware acceleration.
@@ -215,16 +188,6 @@ public abstract class HardwareRenderer {
      */
     public static boolean sSystemRendererDisabled = false;
 
-    /**
-     * Number of frames to profile.
-     */
-    private static final int PROFILE_MAX_FRAMES = 128;
-
-    /**
-     * Number of floats per profiled frame.
-     */
-    private static final int PROFILE_FRAME_DATA_COUNT = 3;
-
     private boolean mEnabled;
     private boolean mRequested = true;
 
@@ -374,8 +337,6 @@ public abstract class HardwareRenderer {
      */
     abstract boolean loadSystemProperties(Surface surface);
 
-    private static native boolean nLoadProperties();
-
     /**
      * Sets the directory to use as a persistent storage for hardware rendering
      * resources.
@@ -385,60 +346,9 @@ public abstract class HardwareRenderer {
      * @hide
      */
     public static void setupDiskCache(File cacheDir) {
-        nSetupShadersDiskCache(new File(cacheDir, CACHE_PATH_SHADERS).getAbsolutePath());
-    }
-
-    private static native void nSetupShadersDiskCache(String cacheFile);
-
-    /**
-     * Notifies EGL that the frame is about to be rendered.
-     * @param size
-     */
-    static void beginFrame(int[] size) {
-        nBeginFrame(size);
+        GLRenderer.setupShadersDiskCache(new File(cacheDir, CACHE_PATH_SHADERS).getAbsolutePath());
     }
 
-    private static native void nBeginFrame(int[] size);
-
-    /**
-     * Returns the current system time according to the renderer.
-     * This method is used for debugging only and should not be used
-     * as a clock.
-     */
-    static long getSystemTime() {
-        return nGetSystemTime();
-    }
-
-    private static native long nGetSystemTime();
-
-    /**
-     * Preserves the back buffer of the current surface after a buffer swap.
-     * Calling this method sets the EGL_SWAP_BEHAVIOR attribute of the current
-     * surface to EGL_BUFFER_PRESERVED. Calling this method requires an EGL
-     * config that supports EGL_SWAP_BEHAVIOR_PRESERVED_BIT.
-     *
-     * @return True if the swap behavior was successfully changed,
-     *         false otherwise.
-     */
-    static boolean preserveBackBuffer() {
-        return nPreserveBackBuffer();
-    }
-
-    private static native boolean nPreserveBackBuffer();
-
-    /**
-     * Indicates whether the current surface preserves its back buffer
-     * after a buffer swap.
-     *
-     * @return True, if the surface's EGL_SWAP_BEHAVIOR is EGL_BUFFER_PRESERVED,
-     *         false otherwise
-     */
-    static boolean isBackBufferPreserved() {
-        return nIsBackBufferPreserved();
-    }
-
-    private static native boolean nIsBackBufferPreserved();
-
     /**
      * Indicates that the specified hardware layer needs to be updated
      * as soon as possible.
@@ -602,17 +512,15 @@ public abstract class HardwareRenderer {
     /**
      * Creates a hardware renderer using OpenGL.
      *
-     * @param glVersion The version of OpenGL to use (1 for OpenGL 1, 11 for OpenGL 1.1, etc.)
      * @param translucent True if the surface is translucent, false otherwise
      *
      * @return A hardware renderer backed by OpenGL.
      */
-    static HardwareRenderer createGlRenderer(int glVersion, boolean translucent) {
-        switch (glVersion) {
-            case 2:
-                return Gl20Renderer.create(translucent);
+    static HardwareRenderer create(boolean translucent) {
+        if (GLES20Canvas.isAvailable()) {
+            return new GLRenderer(translucent);
         }
-        throw new IllegalArgumentException("Unknown GL version: " + glVersion);
+        return null;
     }
 
     /**
@@ -637,7 +545,7 @@ public abstract class HardwareRenderer {
      *              see {@link android.content.ComponentCallbacks}
      */
     static void startTrimMemory(int level) {
-        Gl20Renderer.startTrimMemory(level);
+        GLRenderer.startTrimMemory(level);
     }
 
     /**
@@ -645,7 +553,7 @@ public abstract class HardwareRenderer {
      * cleanup special resources used by the memory trimming process.
      */
     static void endTrimMemory() {
-        Gl20Renderer.endTrimMemory();
+        GLRenderer.endTrimMemory();
     }
 
     /**
@@ -779,1548 +687,4 @@ public abstract class HardwareRenderer {
          */
         abstract void setupCurrentFramePaint(Paint paint);
     }
-
-    @SuppressWarnings({"deprecation"})
-    static abstract class GlRenderer extends HardwareRenderer {
-        static final int SURFACE_STATE_ERROR = 0;
-        static final int SURFACE_STATE_SUCCESS = 1;
-        static final int SURFACE_STATE_UPDATED = 2;
-
-        static final int FUNCTOR_PROCESS_DELAY = 4;
-
-        private static final int PROFILE_DRAW_MARGIN = 0;
-        private static final int PROFILE_DRAW_WIDTH = 3;
-        private static final int[] PROFILE_DRAW_COLORS = { 0xcf3e66cc, 0xcfdc3912, 0xcfe69800 };
-        private static final int PROFILE_DRAW_CURRENT_FRAME_COLOR = 0xcf5faa4d;
-        private static final int PROFILE_DRAW_THRESHOLD_COLOR = 0xff5faa4d;
-        private static final int PROFILE_DRAW_THRESHOLD_STROKE_WIDTH = 2;
-        private static final int PROFILE_DRAW_DP_PER_MS = 7;
-
-        private static final String[] VISUALIZERS = {
-                PROFILE_PROPERTY_VISUALIZE_BARS,
-                PROFILE_PROPERTY_VISUALIZE_LINES
-        };
-
-        private static final String[] OVERDRAW = {
-                OVERDRAW_PROPERTY_SHOW,
-                OVERDRAW_PROPERTY_COUNT
-        };
-        private static final int OVERDRAW_TYPE_COUNT = 1;
-
-        static EGL10 sEgl;
-        static EGLDisplay sEglDisplay;
-        static EGLConfig sEglConfig;
-        static final Object[] sEglLock = new Object[0];
-        int mWidth = -1, mHeight = -1;
-
-        static final ThreadLocal<ManagedEGLContext> sEglContextStorage
-                = new ThreadLocal<ManagedEGLContext>();
-
-        EGLContext mEglContext;
-        Thread mEglThread;
-
-        EGLSurface mEglSurface;
-
-        GL mGl;
-        HardwareCanvas mCanvas;
-
-        String mName;
-
-        long mFrameCount;
-        Paint mDebugPaint;
-
-        static boolean sDirtyRegions;
-        static final boolean sDirtyRegionsRequested;
-        static {
-            String dirtyProperty = SystemProperties.get(RENDER_DIRTY_REGIONS_PROPERTY, "true");
-            //noinspection PointlessBooleanExpression,ConstantConditions
-            sDirtyRegions = "true".equalsIgnoreCase(dirtyProperty);
-            sDirtyRegionsRequested = sDirtyRegions;
-        }
-
-        boolean mDirtyRegionsEnabled;
-        boolean mUpdateDirtyRegions;
-
-        boolean mProfileEnabled;
-        int mProfileVisualizerType = -1;
-        float[] mProfileData;
-        ReentrantLock mProfileLock;
-        int mProfileCurrentFrame = -PROFILE_FRAME_DATA_COUNT;
-
-        GraphDataProvider mDebugDataProvider;
-        float[][] mProfileShapes;
-        Paint mProfilePaint;
-
-        boolean mDebugDirtyRegions;
-        int mDebugOverdraw = -1;
-        HardwareLayer mDebugOverdrawLayer;
-        Paint mDebugOverdrawPaint;
-
-        final int mGlVersion;
-        final boolean mTranslucent;
-
-        private boolean mDestroyed;
-
-        private final Rect mRedrawClip = new Rect();
-
-        private final int[] mSurfaceSize = new int[2];
-        private final FunctorsRunnable mFunctorsRunnable = new FunctorsRunnable();
-
-        private long mDrawDelta = Long.MAX_VALUE;
-
-        GlRenderer(int glVersion, boolean translucent) {
-            mGlVersion = glVersion;
-            mTranslucent = translucent;
-
-            loadSystemProperties(null);
-        }
-
-        @Override
-        boolean loadSystemProperties(Surface surface) {
-            boolean value;
-            boolean changed = false;
-
-            String profiling = SystemProperties.get(PROFILE_PROPERTY);
-            int graphType = search(VISUALIZERS, profiling);
-            value = graphType >= 0;
-
-            if (graphType != mProfileVisualizerType) {
-                changed = true;
-                mProfileVisualizerType = graphType;
-
-                mProfileShapes = null;
-                mProfilePaint = null;
-
-                if (value) {
-                    mDebugDataProvider = new DrawPerformanceDataProvider(graphType);
-                } else {
-                    mDebugDataProvider = null;
-                }
-            }
-
-            // If on-screen profiling is not enabled, we need to check whether
-            // console profiling only is enabled
-            if (!value) {
-                value = Boolean.parseBoolean(profiling);
-            }
-
-            if (value != mProfileEnabled) {
-                changed = true;
-                mProfileEnabled = value;
-
-                if (mProfileEnabled) {
-                    Log.d(LOG_TAG, "Profiling hardware renderer");
-
-                    int maxProfileFrames = SystemProperties.getInt(PROFILE_MAXFRAMES_PROPERTY,
-                            PROFILE_MAX_FRAMES);
-                    mProfileData = new float[maxProfileFrames * PROFILE_FRAME_DATA_COUNT];
-                    for (int i = 0; i < mProfileData.length; i += PROFILE_FRAME_DATA_COUNT) {
-                        mProfileData[i] = mProfileData[i + 1] = mProfileData[i + 2] = -1;
-                    }
-
-                    mProfileLock = new ReentrantLock();
-                } else {
-                    mProfileData = null;
-                    mProfileLock = null;
-                    mProfileVisualizerType = -1;
-                }
-
-                mProfileCurrentFrame = -PROFILE_FRAME_DATA_COUNT;
-            }
-
-            value = SystemProperties.getBoolean(DEBUG_DIRTY_REGIONS_PROPERTY, false);
-            if (value != mDebugDirtyRegions) {
-                changed = true;
-                mDebugDirtyRegions = value;
-
-                if (mDebugDirtyRegions) {
-                    Log.d(LOG_TAG, "Debugging dirty regions");
-                }
-            }
-
-            String overdraw = SystemProperties.get(HardwareRenderer.DEBUG_OVERDRAW_PROPERTY);
-            int debugOverdraw = search(OVERDRAW, overdraw);
-            if (debugOverdraw != mDebugOverdraw) {
-                changed = true;
-                mDebugOverdraw = debugOverdraw;
-
-                if (mDebugOverdraw != OVERDRAW_TYPE_COUNT) {
-                    if (mDebugOverdrawLayer != null) {
-                        mDebugOverdrawLayer.destroy();
-                        mDebugOverdrawLayer = null;
-                        mDebugOverdrawPaint = null;
-                    }
-                }
-            }
-
-            if (nLoadProperties()) {
-                changed = true;
-            }
-
-            return changed;
-        }
-
-        private static int search(String[] values, String value) {
-            for (int i = 0; i < values.length; i++) {
-                if (values[i].equals(value)) return i;
-            }
-            return -1;
-        }
-
-        @Override
-        void dumpGfxInfo(PrintWriter pw) {
-            if (mProfileEnabled) {
-                pw.printf("\n\tDraw\tProcess\tExecute\n");
-
-                mProfileLock.lock();
-                try {
-                    for (int i = 0; i < mProfileData.length; i += PROFILE_FRAME_DATA_COUNT) {
-                        if (mProfileData[i] < 0) {
-                            break;
-                        }
-                        pw.printf("\t%3.2f\t%3.2f\t%3.2f\n", mProfileData[i], mProfileData[i + 1],
-                                mProfileData[i + 2]);
-                        mProfileData[i] = mProfileData[i + 1] = mProfileData[i + 2] = -1;
-                    }
-                    mProfileCurrentFrame = mProfileData.length;
-                } finally {
-                    mProfileLock.unlock();
-                }
-            }
-        }
-
-        @Override
-        long getFrameCount() {
-            return mFrameCount;
-        }
-
-        /**
-         * Indicates whether this renderer instance can track and update dirty regions.
-         */
-        boolean hasDirtyRegions() {
-            return mDirtyRegionsEnabled;
-        }
-
-        /**
-         * Checks for OpenGL errors. If an error has occured, {@link #destroy(boolean)}
-         * is invoked and the requested flag is turned off. The error code is
-         * also logged as a warning.
-         */
-        void checkEglErrors() {
-            if (isEnabled()) {
-                checkEglErrorsForced();
-            }
-        }
-
-        private void checkEglErrorsForced() {
-            int error = sEgl.eglGetError();
-            if (error != EGL_SUCCESS) {
-                // something bad has happened revert to
-                // normal rendering.
-                Log.w(LOG_TAG, "EGL error: " + GLUtils.getEGLErrorString(error));
-                fallback(error != EGL11.EGL_CONTEXT_LOST);
-            }
-        }
-
-        private void fallback(boolean fallback) {
-            destroy(true);
-            if (fallback) {
-                // we'll try again if it was context lost
-                setRequested(false);
-                Log.w(LOG_TAG, "Mountain View, we've had a problem here. "
-                        + "Switching back to software rendering.");
-            }
-        }
-
-        @Override
-        boolean initialize(Surface surface) throws OutOfResourcesException {
-            if (isRequested() && !isEnabled()) {
-                boolean contextCreated = initializeEgl();
-                mGl = createEglSurface(surface);
-                mDestroyed = false;
-
-                if (mGl != null) {
-                    int err = sEgl.eglGetError();
-                    if (err != EGL_SUCCESS) {
-                        destroy(true);
-                        setRequested(false);
-                    } else {
-                        if (mCanvas == null) {
-                            mCanvas = createCanvas();
-                            mCanvas.setName(mName);
-                        }
-                        setEnabled(true);
-
-                        if (contextCreated) {
-                            initAtlas();
-                        }
-                    }
-
-                    return mCanvas != null;
-                }
-            }
-            return false;
-        }
-
-        @Override
-        void updateSurface(Surface surface) throws OutOfResourcesException {
-            if (isRequested() && isEnabled()) {
-                createEglSurface(surface);
-            }
-        }
-
-        abstract HardwareCanvas createCanvas();
-
-        abstract int[] getConfig(boolean dirtyRegions);
-
-        boolean initializeEgl() {
-            synchronized (sEglLock) {
-                if (sEgl == null && sEglConfig == null) {
-                    sEgl = (EGL10) EGLContext.getEGL();
-
-                    // Get to the default display.
-                    sEglDisplay = sEgl.eglGetDisplay(EGL_DEFAULT_DISPLAY);
-
-                    if (sEglDisplay == EGL_NO_DISPLAY) {
-                        throw new RuntimeException("eglGetDisplay failed "
-                                + GLUtils.getEGLErrorString(sEgl.eglGetError()));
-                    }
-
-                    // We can now initialize EGL for that display
-                    int[] version = new int[2];
-                    if (!sEgl.eglInitialize(sEglDisplay, version)) {
-                        throw new RuntimeException("eglInitialize failed " +
-                                GLUtils.getEGLErrorString(sEgl.eglGetError()));
-                    }
-
-                    checkEglErrorsForced();
-
-                    sEglConfig = loadEglConfig();
-                }
-            }
-
-            ManagedEGLContext managedContext = sEglContextStorage.get();
-            mEglContext = managedContext != null ? managedContext.getContext() : null;
-            mEglThread = Thread.currentThread();
-
-            if (mEglContext == null) {
-                mEglContext = createContext(sEgl, sEglDisplay, sEglConfig);
-                sEglContextStorage.set(createManagedContext(mEglContext));
-                return true;
-            }
-
-            return false;
-        }
-
-        private EGLConfig loadEglConfig() {
-            EGLConfig eglConfig = chooseEglConfig();
-            if (eglConfig == null) {
-                // We tried to use EGL_SWAP_BEHAVIOR_PRESERVED_BIT, try again without
-                if (sDirtyRegions) {
-                    sDirtyRegions = false;
-                    eglConfig = chooseEglConfig();
-                    if (eglConfig == null) {
-                        throw new RuntimeException("eglConfig not initialized");
-                    }
-                } else {
-                    throw new RuntimeException("eglConfig not initialized");
-                }
-            }
-            return eglConfig;
-        }
-
-        abstract ManagedEGLContext createManagedContext(EGLContext eglContext);
-
-        private EGLConfig chooseEglConfig() {
-            EGLConfig[] configs = new EGLConfig[1];
-            int[] configsCount = new int[1];
-            int[] configSpec = getConfig(sDirtyRegions);
-
-            // Debug
-            final String debug = SystemProperties.get(PRINT_CONFIG_PROPERTY, "");
-            if ("all".equalsIgnoreCase(debug)) {
-                sEgl.eglChooseConfig(sEglDisplay, configSpec, null, 0, configsCount);
-
-                EGLConfig[] debugConfigs = new EGLConfig[configsCount[0]];
-                sEgl.eglChooseConfig(sEglDisplay, configSpec, debugConfigs,
-                        configsCount[0], configsCount);
-
-                for (EGLConfig config : debugConfigs) {
-                    printConfig(config);
-                }
-            }
-
-            if (!sEgl.eglChooseConfig(sEglDisplay, configSpec, configs, 1, configsCount)) {
-                throw new IllegalArgumentException("eglChooseConfig failed " +
-                        GLUtils.getEGLErrorString(sEgl.eglGetError()));
-            } else if (configsCount[0] > 0) {
-                if ("choice".equalsIgnoreCase(debug)) {
-                    printConfig(configs[0]);
-                }
-                return configs[0];
-            }
-
-            return null;
-        }
-
-        private static void printConfig(EGLConfig config) {
-            int[] value = new int[1];
-
-            Log.d(LOG_TAG, "EGL configuration " + config + ":");
-
-            sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_RED_SIZE, value);
-            Log.d(LOG_TAG, "  RED_SIZE = " + value[0]);
-
-            sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_GREEN_SIZE, value);
-            Log.d(LOG_TAG, "  GREEN_SIZE = " + value[0]);
-
-            sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_BLUE_SIZE, value);
-            Log.d(LOG_TAG, "  BLUE_SIZE = " + value[0]);
-
-            sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_ALPHA_SIZE, value);
-            Log.d(LOG_TAG, "  ALPHA_SIZE = " + value[0]);
-
-            sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_DEPTH_SIZE, value);
-            Log.d(LOG_TAG, "  DEPTH_SIZE = " + value[0]);
-
-            sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_STENCIL_SIZE, value);
-            Log.d(LOG_TAG, "  STENCIL_SIZE = " + value[0]);
-
-            sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_SAMPLE_BUFFERS, value);
-            Log.d(LOG_TAG, "  SAMPLE_BUFFERS = " + value[0]);
-
-            sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_SAMPLES, value);
-            Log.d(LOG_TAG, "  SAMPLES = " + value[0]);
-
-            sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_SURFACE_TYPE, value);
-            Log.d(LOG_TAG, "  SURFACE_TYPE = 0x" + Integer.toHexString(value[0]));
-
-            sEgl.eglGetConfigAttrib(sEglDisplay, config, EGL_CONFIG_CAVEAT, value);
-            Log.d(LOG_TAG, "  CONFIG_CAVEAT = 0x" + Integer.toHexString(value[0]));
-        }
-
-        GL createEglSurface(Surface surface) throws OutOfResourcesException {
-            // Check preconditions.
-            if (sEgl == null) {
-                throw new RuntimeException("egl not initialized");
-            }
-            if (sEglDisplay == null) {
-                throw new RuntimeException("eglDisplay not initialized");
-            }
-            if (sEglConfig == null) {
-                throw new RuntimeException("eglConfig not initialized");
-            }
-            if (Thread.currentThread() != mEglThread) {
-                throw new IllegalStateException("HardwareRenderer cannot be used "
-                        + "from multiple threads");
-            }
-
-            // In case we need to destroy an existing surface
-            destroySurface();
-
-            // Create an EGL surface we can render into.
-            if (!createSurface(surface)) {
-                return null;
-            }
-
-            initCaches();
-
-            return mEglContext.getGL();
-        }
-
-        private void enableDirtyRegions() {
-            // If mDirtyRegions is set, this means we have an EGL configuration
-            // with EGL_SWAP_BEHAVIOR_PRESERVED_BIT set
-            if (sDirtyRegions) {
-                if (!(mDirtyRegionsEnabled = preserveBackBuffer())) {
-                    Log.w(LOG_TAG, "Backbuffer cannot be preserved");
-                }
-            } else if (sDirtyRegionsRequested) {
-                // If mDirtyRegions is not set, our EGL configuration does not
-                // have EGL_SWAP_BEHAVIOR_PRESERVED_BIT; however, the default
-                // swap behavior might be EGL_BUFFER_PRESERVED, which means we
-                // want to set mDirtyRegions. We try to do this only if dirty
-                // regions were initially requested as part of the device
-                // configuration (see RENDER_DIRTY_REGIONS)
-                mDirtyRegionsEnabled = isBackBufferPreserved();
-            }
-        }
-
-        abstract void initCaches();
-        abstract void initAtlas();
-
-        EGLContext createContext(EGL10 egl, EGLDisplay eglDisplay, EGLConfig eglConfig) {
-            int[] attribs = { EGL14.EGL_CONTEXT_CLIENT_VERSION, mGlVersion, EGL_NONE };
-
-            EGLContext context = egl.eglCreateContext(eglDisplay, eglConfig, EGL_NO_CONTEXT,
-                    mGlVersion != 0 ? attribs : null);
-            if (context == null || context == EGL_NO_CONTEXT) {
-                //noinspection ConstantConditions
-                throw new IllegalStateException(
-                        "Could not create an EGL context. eglCreateContext failed with error: " +
-                        GLUtils.getEGLErrorString(sEgl.eglGetError()));
-            }
-
-            return context;
-        }
-
-        @Override
-        void destroy(boolean full) {
-            if (full && mCanvas != null) {
-                mCanvas = null;
-            }
-
-            if (!isEnabled() || mDestroyed) {
-                setEnabled(false);
-                return;
-            }
-
-            destroySurface();
-            setEnabled(false);
-
-            mDestroyed = true;
-            mGl = null;
-        }
-
-        void destroySurface() {
-            if (mEglSurface != null && mEglSurface != EGL_NO_SURFACE) {
-                if (mEglSurface.equals(sEgl.eglGetCurrentSurface(EGL_DRAW))) {
-                    sEgl.eglMakeCurrent(sEglDisplay,
-                            EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
-                }
-                sEgl.eglDestroySurface(sEglDisplay, mEglSurface);
-                mEglSurface = null;
-            }
-        }
-
-        @Override
-        void invalidate(Surface surface) {
-            // Cancels any existing buffer to ensure we'll get a buffer
-            // of the right size before we call eglSwapBuffers
-            sEgl.eglMakeCurrent(sEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
-
-            if (mEglSurface != null && mEglSurface != EGL_NO_SURFACE) {
-                sEgl.eglDestroySurface(sEglDisplay, mEglSurface);
-                mEglSurface = null;
-                setEnabled(false);
-            }
-
-            if (surface.isValid()) {
-                if (!createSurface(surface)) {
-                    return;
-                }
-
-                mUpdateDirtyRegions = true;
-
-                if (mCanvas != null) {
-                    setEnabled(true);
-                }
-            }
-        }
-
-        private boolean createSurface(Surface surface) {
-            mEglSurface = sEgl.eglCreateWindowSurface(sEglDisplay, sEglConfig, surface, null);
-
-            if (mEglSurface == null || mEglSurface == EGL_NO_SURFACE) {
-                int error = sEgl.eglGetError();
-                if (error == EGL_BAD_NATIVE_WINDOW) {
-                    Log.e(LOG_TAG, "createWindowSurface returned EGL_BAD_NATIVE_WINDOW.");
-                    return false;
-                }
-                throw new RuntimeException("createWindowSurface failed "
-                        + GLUtils.getEGLErrorString(error));
-            }
-
-            if (!sEgl.eglMakeCurrent(sEglDisplay, mEglSurface, mEglSurface, mEglContext)) {
-                throw new IllegalStateException("eglMakeCurrent failed " +
-                        GLUtils.getEGLErrorString(sEgl.eglGetError()));
-            }
-
-            enableDirtyRegions();
-
-            return true;
-        }
-
-        @Override
-        boolean validate() {
-            return checkRenderContext() != SURFACE_STATE_ERROR;
-        }
-
-        @Override
-        void setup(int width, int height) {
-            if (validate()) {
-                mCanvas.setViewport(width, height);
-                mWidth = width;
-                mHeight = height;
-            }
-        }
-
-        @Override
-        int getWidth() {
-            return mWidth;
-        }
-
-        @Override
-        int getHeight() {
-            return mHeight;
-        }
-
-        @Override
-        HardwareCanvas getCanvas() {
-            return mCanvas;
-        }
-
-        @Override
-        void setName(String name) {
-            mName = name;
-        }
-
-        boolean canDraw() {
-            return mGl != null && mCanvas != null;
-        }
-
-        int onPreDraw(Rect dirty) {
-            return DisplayList.STATUS_DONE;
-        }
-
-        void onPostDraw() {
-        }
-
-        class FunctorsRunnable implements Runnable {
-            View.AttachInfo attachInfo;
-
-            @Override
-            public void run() {
-                final HardwareRenderer renderer = attachInfo.mHardwareRenderer;
-                if (renderer == null || !renderer.isEnabled() || renderer != GlRenderer.this) {
-                    return;
-                }
-
-                if (checkRenderContext() != SURFACE_STATE_ERROR) {
-                    int status = mCanvas.invokeFunctors(mRedrawClip);
-                    handleFunctorStatus(attachInfo, status);
-                }
-            }
-        }
-
-        @Override
-        void draw(View view, View.AttachInfo attachInfo, HardwareDrawCallbacks callbacks,
-                Rect dirty) {
-            if (canDraw()) {
-                if (!hasDirtyRegions()) {
-                    dirty = null;
-                }
-                attachInfo.mIgnoreDirtyState = true;
-                attachInfo.mDrawingTime = SystemClock.uptimeMillis();
-
-                view.mPrivateFlags |= View.PFLAG_DRAWN;
-
-                // We are already on the correct thread
-                final int surfaceState = checkRenderContextUnsafe();
-                if (surfaceState != SURFACE_STATE_ERROR) {
-                    HardwareCanvas canvas = mCanvas;
-                    attachInfo.mHardwareCanvas = canvas;
-
-                    if (mProfileEnabled) {
-                        mProfileLock.lock();
-                    }
-
-                    dirty = beginFrame(canvas, dirty, surfaceState);
-
-                    DisplayList displayList = buildDisplayList(view, canvas);
-
-                    // buildDisplayList() calls into user code which can cause
-                    // an eglMakeCurrent to happen with a different surface/context.
-                    // We must therefore check again here.
-                    if (checkRenderContextUnsafe() == SURFACE_STATE_ERROR) {
-                        return;
-                    }
-
-                    int saveCount = 0;
-                    int status = DisplayList.STATUS_DONE;
-
-                    long start = getSystemTime();
-                    try {
-                        status = prepareFrame(dirty);
-
-                        saveCount = canvas.save();
-                        callbacks.onHardwarePreDraw(canvas);
-
-                        if (displayList != null) {
-                            status |= drawDisplayList(attachInfo, canvas, displayList, status);
-                        } else {
-                            // Shouldn't reach here
-                            view.draw(canvas);
-                        }
-                    } catch (Exception e) {
-                        Log.e(LOG_TAG, "An error has occurred while drawing:", e);
-                    } finally {
-                        callbacks.onHardwarePostDraw(canvas);
-                        canvas.restoreToCount(saveCount);
-                        view.mRecreateDisplayList = false;
-
-                        mDrawDelta = getSystemTime() - start;
-
-                        if (mDrawDelta > 0) {
-                            mFrameCount++;
-
-                            debugOverdraw(attachInfo, dirty, canvas, displayList);
-                            debugDirtyRegions(dirty, canvas);
-                            drawProfileData(attachInfo);
-                        }
-                    }
-
-                    onPostDraw();
-
-                    swapBuffers(status);
-
-                    if (mProfileEnabled) {
-                        mProfileLock.unlock();
-                    }
-
-                    attachInfo.mIgnoreDirtyState = false;
-                }
-            }
-        }
-
-        abstract void countOverdraw(HardwareCanvas canvas);
-        abstract float getOverdraw(HardwareCanvas canvas);
-
-        private void debugOverdraw(View.AttachInfo attachInfo, Rect dirty,
-                HardwareCanvas canvas, DisplayList displayList) {
-
-            if (mDebugOverdraw == OVERDRAW_TYPE_COUNT) {
-                if (mDebugOverdrawLayer == null) {
-                    mDebugOverdrawLayer = createHardwareLayer(mWidth, mHeight, true);
-                } else if (mDebugOverdrawLayer.getWidth() != mWidth ||
-                        mDebugOverdrawLayer.getHeight() != mHeight) {
-                    mDebugOverdrawLayer.resize(mWidth, mHeight);
-                }
-
-                if (!mDebugOverdrawLayer.isValid()) {
-                    mDebugOverdraw = -1;
-                    return;
-                }
-
-                HardwareCanvas layerCanvas = mDebugOverdrawLayer.start(canvas, dirty);
-                countOverdraw(layerCanvas);
-                final int restoreCount = layerCanvas.save();
-                layerCanvas.drawDisplayList(displayList, null, DisplayList.FLAG_CLIP_CHILDREN);
-                layerCanvas.restoreToCount(restoreCount);
-                mDebugOverdrawLayer.end(canvas);
-
-                float overdraw = getOverdraw(layerCanvas);
-                DisplayMetrics metrics = attachInfo.mRootView.getResources().getDisplayMetrics();
-
-                drawOverdrawCounter(canvas, overdraw, metrics.density);
-            }
-        }
-
-        private void drawOverdrawCounter(HardwareCanvas canvas, float overdraw, float density) {
-            final String text = String.format("%.2fx", overdraw);
-            final Paint paint = setupPaint(density);
-            // HSBtoColor will clamp the values in the 0..1 range
-            paint.setColor(Color.HSBtoColor(0.28f - 0.28f * overdraw / 3.5f, 0.8f, 1.0f));
-
-            canvas.drawText(text, density * 4.0f, mHeight - paint.getFontMetrics().bottom, paint);
-        }
-
-        private Paint setupPaint(float density) {
-            if (mDebugOverdrawPaint == null) {
-                mDebugOverdrawPaint = new Paint();
-                mDebugOverdrawPaint.setAntiAlias(true);
-                mDebugOverdrawPaint.setShadowLayer(density * 3.0f, 0.0f, 0.0f, 0xff000000);
-                mDebugOverdrawPaint.setTextSize(density * 20.0f);
-            }
-            return mDebugOverdrawPaint;
-        }
-
-        private DisplayList buildDisplayList(View view, HardwareCanvas canvas) {
-            if (mDrawDelta <= 0) {
-                return view.mDisplayList;
-            }
-
-            view.mRecreateDisplayList = (view.mPrivateFlags & View.PFLAG_INVALIDATED)
-                    == View.PFLAG_INVALIDATED;
-            view.mPrivateFlags &= ~View.PFLAG_INVALIDATED;
-
-            long buildDisplayListStartTime = startBuildDisplayListProfiling();
-            canvas.clearLayerUpdates();
-
-            Trace.traceBegin(Trace.TRACE_TAG_VIEW, "getDisplayList");
-            DisplayList displayList = view.getDisplayList();
-            Trace.traceEnd(Trace.TRACE_TAG_VIEW);
-
-            endBuildDisplayListProfiling(buildDisplayListStartTime);
-
-            return displayList;
-        }
-
-        abstract void drawProfileData(View.AttachInfo attachInfo);
-
-        private Rect beginFrame(HardwareCanvas canvas, Rect dirty, int surfaceState) {
-            // We had to change the current surface and/or context, redraw everything
-            if (surfaceState == SURFACE_STATE_UPDATED) {
-                dirty = null;
-                beginFrame(null);
-            } else {
-                int[] size = mSurfaceSize;
-                beginFrame(size);
-
-                if (size[1] != mHeight || size[0] != mWidth) {
-                    mWidth = size[0];
-                    mHeight = size[1];
-
-                    canvas.setViewport(mWidth, mHeight);
-
-                    dirty = null;
-                }
-            }
-
-            if (mDebugDataProvider != null) dirty = null;
-
-            return dirty;
-        }
-
-        private long startBuildDisplayListProfiling() {
-            if (mProfileEnabled) {
-                mProfileCurrentFrame += PROFILE_FRAME_DATA_COUNT;
-                if (mProfileCurrentFrame >= mProfileData.length) {
-                    mProfileCurrentFrame = 0;
-                }
-
-                return System.nanoTime();
-            }
-            return 0;
-        }
-
-        private void endBuildDisplayListProfiling(long getDisplayListStartTime) {
-            if (mProfileEnabled) {
-                long now = System.nanoTime();
-                float total = (now - getDisplayListStartTime) * 0.000001f;
-                //noinspection PointlessArithmeticExpression
-                mProfileData[mProfileCurrentFrame] = total;
-            }
-        }
-
-        private int prepareFrame(Rect dirty) {
-            int status;
-            Trace.traceBegin(Trace.TRACE_TAG_VIEW, "prepareFrame");
-            try {
-                status = onPreDraw(dirty);
-            } finally {
-                Trace.traceEnd(Trace.TRACE_TAG_VIEW);
-            }
-            return status;
-        }
-
-        private int drawDisplayList(View.AttachInfo attachInfo, HardwareCanvas canvas,
-                DisplayList displayList, int status) {
-
-            long drawDisplayListStartTime = 0;
-            if (mProfileEnabled) {
-                drawDisplayListStartTime = System.nanoTime();
-            }
-
-            Trace.traceBegin(Trace.TRACE_TAG_VIEW, "drawDisplayList");
-            try {
-                status |= canvas.drawDisplayList(displayList, mRedrawClip,
-                        DisplayList.FLAG_CLIP_CHILDREN);
-            } finally {
-                Trace.traceEnd(Trace.TRACE_TAG_VIEW);
-            }
-
-            if (mProfileEnabled) {
-                long now = System.nanoTime();
-                float total = (now - drawDisplayListStartTime) * 0.000001f;
-                mProfileData[mProfileCurrentFrame + 1] = total;
-            }
-
-            handleFunctorStatus(attachInfo, status);
-            return status;
-        }
-
-        private void swapBuffers(int status) {
-            if ((status & DisplayList.STATUS_DREW) == DisplayList.STATUS_DREW) {
-                long eglSwapBuffersStartTime = 0;
-                if (mProfileEnabled) {
-                    eglSwapBuffersStartTime = System.nanoTime();
-                }
-
-                sEgl.eglSwapBuffers(sEglDisplay, mEglSurface);
-
-                if (mProfileEnabled) {
-                    long now = System.nanoTime();
-                    float total = (now - eglSwapBuffersStartTime) * 0.000001f;
-                    mProfileData[mProfileCurrentFrame + 2] = total;
-                }
-
-                checkEglErrors();
-            }
-        }
-
-        private void debugDirtyRegions(Rect dirty, HardwareCanvas canvas) {
-            if (mDebugDirtyRegions) {
-                if (mDebugPaint == null) {
-                    mDebugPaint = new Paint();
-                    mDebugPaint.setColor(0x7fff0000);
-                }
-
-                if (dirty != null && (mFrameCount & 1) == 0) {
-                    canvas.drawRect(dirty, mDebugPaint);
-                }
-            }
-        }
-
-        private void handleFunctorStatus(View.AttachInfo attachInfo, int status) {
-            // If the draw flag is set, functors will be invoked while executing
-            // the tree of display lists
-            if ((status & DisplayList.STATUS_DRAW) != 0) {
-                if (mRedrawClip.isEmpty()) {
-                    attachInfo.mViewRootImpl.invalidate();
-                } else {
-                    attachInfo.mViewRootImpl.invalidateChildInParent(null, mRedrawClip);
-                    mRedrawClip.setEmpty();
-                }
-            }
-
-            if ((status & DisplayList.STATUS_INVOKE) != 0 ||
-                    attachInfo.mHandler.hasCallbacks(mFunctorsRunnable)) {
-                attachInfo.mHandler.removeCallbacks(mFunctorsRunnable);
-                mFunctorsRunnable.attachInfo = attachInfo;
-                attachInfo.mHandler.postDelayed(mFunctorsRunnable, FUNCTOR_PROCESS_DELAY);
-            }
-        }
-
-        @Override
-        void detachFunctor(int functor) {
-            if (mCanvas != null) {
-                mCanvas.detachFunctor(functor);
-            }
-        }
-
-        @Override
-        boolean attachFunctor(View.AttachInfo attachInfo, int functor) {
-            if (mCanvas != null) {
-                mCanvas.attachFunctor(functor);
-                mFunctorsRunnable.attachInfo = attachInfo;
-                attachInfo.mHandler.removeCallbacks(mFunctorsRunnable);
-                attachInfo.mHandler.postDelayed(mFunctorsRunnable,  0);
-                return true;
-            }
-            return false;
-        }
-
-        /**
-         * Ensures the current EGL context and surface are the ones we expect.
-         * This method throws an IllegalStateException if invoked from a thread
-         * that did not initialize EGL.
-         *
-         * @return {@link #SURFACE_STATE_ERROR} if the correct EGL context cannot be made current,
-         *         {@link #SURFACE_STATE_UPDATED} if the EGL context was changed or
-         *         {@link #SURFACE_STATE_SUCCESS} if the EGL context was the correct one
-         *
-         * @see #checkRenderContextUnsafe()
-         */
-        int checkRenderContext() {
-            if (mEglThread != Thread.currentThread()) {
-                throw new IllegalStateException("Hardware acceleration can only be used with a " +
-                        "single UI thread.\nOriginal thread: " + mEglThread + "\n" +
-                        "Current thread: " + Thread.currentThread());
-            }
-
-            return checkRenderContextUnsafe();
-        }
-
-        /**
-         * Ensures the current EGL context and surface are the ones we expect.
-         * This method does not check the current thread.
-         *
-         * @return {@link #SURFACE_STATE_ERROR} if the correct EGL context cannot be made current,
-         *         {@link #SURFACE_STATE_UPDATED} if the EGL context was changed or
-         *         {@link #SURFACE_STATE_SUCCESS} if the EGL context was the correct one
-         *
-         * @see #checkRenderContext()
-         */
-        private int checkRenderContextUnsafe() {
-            if (!mEglSurface.equals(sEgl.eglGetCurrentSurface(EGL_DRAW)) ||
-                    !mEglContext.equals(sEgl.eglGetCurrentContext())) {
-                if (!sEgl.eglMakeCurrent(sEglDisplay, mEglSurface, mEglSurface, mEglContext)) {
-                    Log.e(LOG_TAG, "eglMakeCurrent failed " +
-                            GLUtils.getEGLErrorString(sEgl.eglGetError()));
-                    fallback(true);
-                    return SURFACE_STATE_ERROR;
-                } else {
-                    if (mUpdateDirtyRegions) {
-                        enableDirtyRegions();
-                        mUpdateDirtyRegions = false;
-                    }
-                    return SURFACE_STATE_UPDATED;
-                }
-            }
-            return SURFACE_STATE_SUCCESS;
-        }
-
-        private static int dpToPx(int dp, float density) {
-            return (int) (dp * density + 0.5f);
-        }
-
-        class DrawPerformanceDataProvider extends GraphDataProvider {
-            private final int mGraphType;
-
-            private int mVerticalUnit;
-            private int mHorizontalUnit;
-            private int mHorizontalMargin;
-            private int mThresholdStroke;
-
-            DrawPerformanceDataProvider(int graphType) {
-                mGraphType = graphType;
-            }
-
-            @Override
-            void prepare(DisplayMetrics metrics) {
-                final float density = metrics.density;
-
-                mVerticalUnit = dpToPx(PROFILE_DRAW_DP_PER_MS, density);
-                mHorizontalUnit = dpToPx(PROFILE_DRAW_WIDTH, density);
-                mHorizontalMargin = dpToPx(PROFILE_DRAW_MARGIN, density);
-                mThresholdStroke = dpToPx(PROFILE_DRAW_THRESHOLD_STROKE_WIDTH, density);
-            }
-
-            @Override
-            int getGraphType() {
-                return mGraphType;
-            }
-
-            @Override
-            int getVerticalUnitSize() {
-                return mVerticalUnit;
-            }
-
-            @Override
-            int getHorizontalUnitSize() {
-                return mHorizontalUnit;
-            }
-
-            @Override
-            int getHorizontaUnitMargin() {
-                return mHorizontalMargin;
-            }
-
-            @Override
-            float[] getData() {
-                return mProfileData;
-            }
-
-            @Override
-            float getThreshold() {
-                return 16;
-            }
-
-            @Override
-            int getFrameCount() {
-                return mProfileData.length / PROFILE_FRAME_DATA_COUNT;
-            }
-
-            @Override
-            int getElementCount() {
-                return PROFILE_FRAME_DATA_COUNT;
-            }
-
-            @Override
-            int getCurrentFrame() {
-                return mProfileCurrentFrame / PROFILE_FRAME_DATA_COUNT;
-            }
-
-            @Override
-            void setupGraphPaint(Paint paint, int elementIndex) {
-                paint.setColor(PROFILE_DRAW_COLORS[elementIndex]);
-                if (mGraphType == GRAPH_TYPE_LINES) paint.setStrokeWidth(mThresholdStroke);
-            }
-
-            @Override
-            void setupThresholdPaint(Paint paint) {
-                paint.setColor(PROFILE_DRAW_THRESHOLD_COLOR);
-                paint.setStrokeWidth(mThresholdStroke);
-            }
-
-            @Override
-            void setupCurrentFramePaint(Paint paint) {
-                paint.setColor(PROFILE_DRAW_CURRENT_FRAME_COLOR);
-                if (mGraphType == GRAPH_TYPE_LINES) paint.setStrokeWidth(mThresholdStroke);
-            }
-        }
-    }
-
-    /**
-     * Hardware renderer using OpenGL ES 2.0.
-     */
-    static class Gl20Renderer extends GlRenderer {
-        private GLES20Canvas mGlCanvas;
-
-        private DisplayMetrics mDisplayMetrics;
-
-        private static EGLSurface sPbuffer;
-        private static final Object[] sPbufferLock = new Object[0];
-
-        static class Gl20RendererEglContext extends ManagedEGLContext {
-            final Handler mHandler = new Handler();
-
-            public Gl20RendererEglContext(EGLContext context) {
-                super(context);
-            }
-
-            @Override
-            public void onTerminate(final EGLContext eglContext) {
-                // Make sure we do this on the correct thread.
-                if (mHandler.getLooper() != Looper.myLooper()) {
-                    mHandler.post(new Runnable() {
-                        @Override
-                        public void run() {
-                            onTerminate(eglContext);
-                        }
-                    });
-                    return;
-                }
-
-                synchronized (sEglLock) {
-                    if (sEgl == null) return;
-
-                    if (EGLImpl.getInitCount(sEglDisplay) == 1) {
-                        usePbufferSurface(eglContext);
-                        GLES20Canvas.terminateCaches();
-
-                        sEgl.eglDestroyContext(sEglDisplay, eglContext);
-                        sEglContextStorage.set(null);
-                        sEglContextStorage.remove();
-
-                        sEgl.eglDestroySurface(sEglDisplay, sPbuffer);
-                        sEgl.eglMakeCurrent(sEglDisplay, EGL_NO_SURFACE,
-                                EGL_NO_SURFACE, EGL_NO_CONTEXT);
-
-                        sEgl.eglReleaseThread();
-                        sEgl.eglTerminate(sEglDisplay);
-
-                        sEgl = null;
-                        sEglDisplay = null;
-                        sEglConfig = null;
-                        sPbuffer = null;
-                    }
-                }
-            }
-        }
-
-        Gl20Renderer(boolean translucent) {
-            super(2, translucent);
-        }
-
-        @Override
-        HardwareCanvas createCanvas() {
-            return mGlCanvas = new GLES20Canvas(mTranslucent);
-        }
-
-        @Override
-        ManagedEGLContext createManagedContext(EGLContext eglContext) {
-            return new Gl20Renderer.Gl20RendererEglContext(mEglContext);
-        }
-
-        @Override
-        int[] getConfig(boolean dirtyRegions) {
-            //noinspection PointlessBooleanExpression,ConstantConditions
-            final int stencilSize = GLES20Canvas.getStencilSize();
-            final int swapBehavior = dirtyRegions ? EGL14.EGL_SWAP_BEHAVIOR_PRESERVED_BIT : 0;
-
-            return new int[] {
-                    EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
-                    EGL_RED_SIZE, 8,
-                    EGL_GREEN_SIZE, 8,
-                    EGL_BLUE_SIZE, 8,
-                    EGL_ALPHA_SIZE, 8,
-                    EGL_DEPTH_SIZE, 0,
-                    EGL_CONFIG_CAVEAT, EGL_NONE,
-                    EGL_STENCIL_SIZE, stencilSize,
-                    EGL_SURFACE_TYPE, EGL_WINDOW_BIT | swapBehavior,
-                    EGL_NONE
-            };
-        }
-
-        @Override
-        void initCaches() {
-            if (GLES20Canvas.initCaches()) {
-                // Caches were (re)initialized, rebind atlas
-                initAtlas();
-            }
-        }
-
-        @Override
-        void initAtlas() {
-            IBinder binder = ServiceManager.getService("assetatlas");
-            if (binder == null) return;
-
-            IAssetAtlas atlas = IAssetAtlas.Stub.asInterface(binder);
-            try {
-                if (atlas.isCompatible(android.os.Process.myPpid())) {
-                    GraphicBuffer buffer = atlas.getBuffer();
-                    if (buffer != null) {
-                        int[] map = atlas.getMap();
-                        if (map != null) {
-                            GLES20Canvas.initAtlas(buffer, map);
-                        }
-                        // If IAssetAtlas is not the same class as the IBinder
-                        // we are using a remote service and we can safely
-                        // destroy the graphic buffer
-                        if (atlas.getClass() != binder.getClass()) {
-                            buffer.destroy();
-                        }
-                    }
-                }
-            } catch (RemoteException e) {
-                Log.w(LOG_TAG, "Could not acquire atlas", e);
-            }
-        }
-
-        @Override
-        boolean canDraw() {
-            return super.canDraw() && mGlCanvas != null;
-        }
-
-        @Override
-        int onPreDraw(Rect dirty) {
-            return mGlCanvas.onPreDraw(dirty);
-        }
-
-        @Override
-        void onPostDraw() {
-            mGlCanvas.onPostDraw();
-        }
-
-        @Override
-        void drawProfileData(View.AttachInfo attachInfo) {
-            if (mDebugDataProvider != null) {
-                final GraphDataProvider provider = mDebugDataProvider;
-                initProfileDrawData(attachInfo, provider);
-
-                final int height = provider.getVerticalUnitSize();
-                final int margin = provider.getHorizontaUnitMargin();
-                final int width = provider.getHorizontalUnitSize();
-
-                int x = 0;
-                int count = 0;
-                int current = 0;
-
-                final float[] data = provider.getData();
-                final int elementCount = provider.getElementCount();
-                final int graphType = provider.getGraphType();
-
-                int totalCount = provider.getFrameCount() * elementCount;
-                if (graphType == GraphDataProvider.GRAPH_TYPE_LINES) {
-                    totalCount -= elementCount;
-                }
-
-                for (int i = 0; i < totalCount; i += elementCount) {
-                    if (data[i] < 0.0f) break;
-
-                    int index = count * 4;
-                    if (i == provider.getCurrentFrame() * elementCount) current = index;
-
-                    x += margin;
-                    int x2 = x + width;
-
-                    int y2 = mHeight;
-                    int y1 = (int) (y2 - data[i] * height);
-
-                    switch (graphType) {
-                        case GraphDataProvider.GRAPH_TYPE_BARS: {
-                            for (int j = 0; j < elementCount; j++) {
-                                //noinspection MismatchedReadAndWriteOfArray
-                                final float[] r = mProfileShapes[j];
-                                r[index] = x;
-                                r[index + 1] = y1;
-                                r[index + 2] = x2;
-                                r[index + 3] = y2;
-
-                                y2 = y1;
-                                if (j < elementCount - 1) {
-                                    y1 = (int) (y2 - data[i + j + 1] * height);
-                                }
-                            }
-                        } break;
-                        case GraphDataProvider.GRAPH_TYPE_LINES: {
-                            for (int j = 0; j < elementCount; j++) {
-                                //noinspection MismatchedReadAndWriteOfArray
-                                final float[] r = mProfileShapes[j];
-                                r[index] = (x + x2) * 0.5f;
-                                r[index + 1] = index == 0 ? y1 : r[index - 1];
-                                r[index + 2] = r[index] + width;
-                                r[index + 3] = y1;
-
-                                y2 = y1;
-                                if (j < elementCount - 1) {
-                                    y1 = (int) (y2 - data[i + j + 1] * height);
-                                }
-                            }
-                        } break;
-                    }
-
-
-                    x += width;
-                    count++;
-                }
-
-                x += margin;
-
-                drawGraph(graphType, count);
-                drawCurrentFrame(graphType, current);
-                drawThreshold(x, height);
-            }
-        }
-
-        private void drawGraph(int graphType, int count) {
-            for (int i = 0; i < mProfileShapes.length; i++) {
-                mDebugDataProvider.setupGraphPaint(mProfilePaint, i);
-                switch (graphType) {
-                    case GraphDataProvider.GRAPH_TYPE_BARS:
-                        mGlCanvas.drawRects(mProfileShapes[i], count * 4, mProfilePaint);
-                        break;
-                    case GraphDataProvider.GRAPH_TYPE_LINES:
-                        mGlCanvas.drawLines(mProfileShapes[i], 0, count * 4, mProfilePaint);
-                        break;
-                }
-            }
-        }
-
-        private void drawCurrentFrame(int graphType, int index) {
-            if (index >= 0) {
-                mDebugDataProvider.setupCurrentFramePaint(mProfilePaint);
-                switch (graphType) {
-                    case GraphDataProvider.GRAPH_TYPE_BARS:
-                        mGlCanvas.drawRect(mProfileShapes[2][index], mProfileShapes[2][index + 1],
-                                mProfileShapes[2][index + 2], mProfileShapes[0][index + 3],
-                                mProfilePaint);
-                        break;
-                    case GraphDataProvider.GRAPH_TYPE_LINES:
-                        mGlCanvas.drawLine(mProfileShapes[2][index], mProfileShapes[2][index + 1],
-                                mProfileShapes[2][index], mHeight, mProfilePaint);
-                        break;
-                }
-            }
-        }
-
-        private void drawThreshold(int x, int height) {
-            float threshold = mDebugDataProvider.getThreshold();
-            if (threshold > 0.0f) {
-                mDebugDataProvider.setupThresholdPaint(mProfilePaint);
-                int y = (int) (mHeight - threshold * height);
-                mGlCanvas.drawLine(0.0f, y, x, y, mProfilePaint);
-            }
-        }
-
-        private void initProfileDrawData(View.AttachInfo attachInfo, GraphDataProvider provider) {
-            if (mProfileShapes == null) {
-                final int elementCount = provider.getElementCount();
-                final int frameCount = provider.getFrameCount();
-
-                mProfileShapes = new float[elementCount][];
-                for (int i = 0; i < elementCount; i++) {
-                    mProfileShapes[i] = new float[frameCount * 4];
-                }
-
-                mProfilePaint = new Paint();
-            }
-
-            mProfilePaint.reset();
-            if (provider.getGraphType() == GraphDataProvider.GRAPH_TYPE_LINES) {
-                mProfilePaint.setAntiAlias(true);
-            }
-
-            if (mDisplayMetrics == null) {
-                mDisplayMetrics = new DisplayMetrics();
-            }
-
-            attachInfo.mDisplay.getMetrics(mDisplayMetrics);
-            provider.prepare(mDisplayMetrics);
-        }
-
-        @Override
-        void destroy(boolean full) {
-            try {
-                super.destroy(full);
-            } finally {
-                if (full && mGlCanvas != null) {
-                    mGlCanvas = null;
-                }
-            }
-        }
-
-        @Override
-        void pushLayerUpdate(HardwareLayer layer) {
-            mGlCanvas.pushLayerUpdate(layer);
-        }
-
-        @Override
-        void cancelLayerUpdate(HardwareLayer layer) {
-            mGlCanvas.cancelLayerUpdate(layer);
-        }
-
-        @Override
-        void flushLayerUpdates() {
-            mGlCanvas.flushLayerUpdates();
-        }
-
-        @Override
-        HardwareLayer createHardwareLayer(boolean isOpaque) {
-            return new GLES20TextureLayer(isOpaque);
-        }
-
-        @Override
-        public HardwareLayer createHardwareLayer(int width, int height, boolean isOpaque) {
-            return new GLES20RenderLayer(width, height, isOpaque);
-        }
-
-        @Override
-        void countOverdraw(HardwareCanvas canvas) {
-            ((GLES20Canvas) canvas).setCountOverdrawEnabled(true);
-        }
-
-        @Override
-        float getOverdraw(HardwareCanvas canvas) {
-            return ((GLES20Canvas) canvas).getOverdraw();
-        }
-
-        @Override
-        public SurfaceTexture createSurfaceTexture(HardwareLayer layer) {
-            return ((GLES20TextureLayer) layer).getSurfaceTexture();
-        }
-
-        @Override
-        void setSurfaceTexture(HardwareLayer layer, SurfaceTexture surfaceTexture) {
-            ((GLES20TextureLayer) layer).setSurfaceTexture(surfaceTexture);
-        }
-
-        @Override
-        boolean safelyRun(Runnable action) {
-            boolean needsContext = !isEnabled() || checkRenderContext() == SURFACE_STATE_ERROR;
-
-            if (needsContext) {
-                Gl20RendererEglContext managedContext =
-                        (Gl20RendererEglContext) sEglContextStorage.get();
-                if (managedContext == null) return false;
-                usePbufferSurface(managedContext.getContext());
-            }
-
-            try {
-                action.run();
-            } finally {
-                if (needsContext) {
-                    sEgl.eglMakeCurrent(sEglDisplay, EGL_NO_SURFACE,
-                            EGL_NO_SURFACE, EGL_NO_CONTEXT);
-                }
-            }
-
-            return true;
-        }
-
-        @Override
-        void destroyLayers(final View view) {
-            if (view != null) {
-                safelyRun(new Runnable() {
-                    @Override
-                    public void run() {
-                        if (mCanvas != null) {
-                            mCanvas.clearLayerUpdates();
-                        }
-                        destroyHardwareLayer(view);
-                        GLES20Canvas.flushCaches(GLES20Canvas.FLUSH_CACHES_LAYERS);
-                    }
-                });
-            }
-        }
-
-        private static void destroyHardwareLayer(View view) {
-            view.destroyLayer(true);
-
-            if (view instanceof ViewGroup) {
-                ViewGroup group = (ViewGroup) view;
-
-                int count = group.getChildCount();
-                for (int i = 0; i < count; i++) {
-                    destroyHardwareLayer(group.getChildAt(i));
-                }
-            }
-        }
-
-        @Override
-        void destroyHardwareResources(final View view) {
-            if (view != null) {
-                safelyRun(new Runnable() {
-                    @Override
-                    public void run() {
-                        if (mCanvas != null) {
-                            mCanvas.clearLayerUpdates();
-                        }
-                        destroyResources(view);
-                        GLES20Canvas.flushCaches(GLES20Canvas.FLUSH_CACHES_LAYERS);
-                    }
-                });
-            }
-        }
-
-        private static void destroyResources(View view) {
-            view.destroyHardwareResources();
-
-            if (view instanceof ViewGroup) {
-                ViewGroup group = (ViewGroup) view;
-
-                int count = group.getChildCount();
-                for (int i = 0; i < count; i++) {
-                    destroyResources(group.getChildAt(i));
-                }
-            }
-        }
-
-        static HardwareRenderer create(boolean translucent) {
-            if (GLES20Canvas.isAvailable()) {
-                return new Gl20Renderer(translucent);
-            }
-            return null;
-        }
-
-        static void startTrimMemory(int level) {
-            if (sEgl == null || sEglConfig == null) return;
-
-            Gl20RendererEglContext managedContext =
-                    (Gl20RendererEglContext) sEglContextStorage.get();
-            // We do not have OpenGL objects
-            if (managedContext == null) {
-                return;
-            } else {
-                usePbufferSurface(managedContext.getContext());
-            }
-
-            if (level >= ComponentCallbacks2.TRIM_MEMORY_COMPLETE) {
-                GLES20Canvas.flushCaches(GLES20Canvas.FLUSH_CACHES_FULL);
-            } else if (level >= ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN) {
-                GLES20Canvas.flushCaches(GLES20Canvas.FLUSH_CACHES_MODERATE);
-            }
-        }
-
-        static void endTrimMemory() {
-            if (sEgl != null && sEglDisplay != null) {
-                sEgl.eglMakeCurrent(sEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
-            }
-        }
-
-        private static void usePbufferSurface(EGLContext eglContext) {
-            synchronized (sPbufferLock) {
-                // Create a temporary 1x1 pbuffer so we have a context
-                // to clear our OpenGL objects
-                if (sPbuffer == null) {
-                    sPbuffer = sEgl.eglCreatePbufferSurface(sEglDisplay, sEglConfig, new int[] {
-                            EGL_WIDTH, 1, EGL_HEIGHT, 1, EGL_NONE
-                    });
-                }
-            }
-            sEgl.eglMakeCurrent(sEglDisplay, sPbuffer, sPbuffer, eglContext);
-        }
-    }
 }
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index d8a7efc..f9e6b9f 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -13358,20 +13358,6 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
     }
 
     /**
-     * @return The {@link HardwareRenderer} associated with that view or null if
-     *         hardware rendering is not supported or this view is not attached
-     *         to a window.
-     *
-     * @hide
-     */
-    public HardwareRenderer getHardwareRenderer() {
-        if (mAttachInfo != null) {
-            return mAttachInfo.mHardwareRenderer;
-        }
-        return null;
-    }
-
-    /**
      * Returns a DisplayList. If the incoming displayList is null, one will be created.
      * Otherwise, the same display list will be returned (after having been rendered into
      * along the way, depending on the invalidation state of the view).
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index 909907c..a5f797e 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -718,7 +718,7 @@ public final class ViewRootImpl implements ViewParent,
                 }
 
                 final boolean translucent = attrs.format != PixelFormat.OPAQUE;
-                mAttachInfo.mHardwareRenderer = HardwareRenderer.createGlRenderer(2, translucent);
+                mAttachInfo.mHardwareRenderer = HardwareRenderer.create(translucent);
                 if (mAttachInfo.mHardwareRenderer != null) {
                     mAttachInfo.mHardwareRenderer.setName(attrs.getTitle().toString());
                     mAttachInfo.mHardwareAccelerated =
diff --git a/core/jni/Android.mk b/core/jni/Android.mk
index 4c9f8a3..2e0c28e 100644
--- a/core/jni/Android.mk
+++ b/core/jni/Android.mk
@@ -51,8 +51,8 @@ LOCAL_SRC_FILES:= \
 	android_view_InputQueue.cpp \
 	android_view_KeyEvent.cpp \
 	android_view_KeyCharacterMap.cpp \
-	android_view_HardwareRenderer.cpp \
 	android_view_GraphicBuffer.cpp \
+	android_view_GLRenderer.cpp \
 	android_view_GLES20DisplayList.cpp \
 	android_view_GLES20Canvas.cpp \
 	android_view_MotionEvent.cpp \
diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp
index 1cce263..d501dd8 100644
--- a/core/jni/AndroidRuntime.cpp
+++ b/core/jni/AndroidRuntime.cpp
@@ -122,7 +122,7 @@ extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
 extern int register_android_view_GraphicBuffer(JNIEnv* env);
 extern int register_android_view_GLES20DisplayList(JNIEnv* env);
 extern int register_android_view_GLES20Canvas(JNIEnv* env);
-extern int register_android_view_HardwareRenderer(JNIEnv* env);
+extern int register_android_view_GLRenderer(JNIEnv* env);
 extern int register_android_view_Surface(JNIEnv* env);
 extern int register_android_view_SurfaceControl(JNIEnv* env);
 extern int register_android_view_SurfaceSession(JNIEnv* env);
@@ -1118,7 +1118,7 @@ static const RegJNIRec gRegJNI[] = {
     REG_JNI(register_android_view_GraphicBuffer),
     REG_JNI(register_android_view_GLES20DisplayList),
     REG_JNI(register_android_view_GLES20Canvas),
-    REG_JNI(register_android_view_HardwareRenderer),
+    REG_JNI(register_android_view_GLRenderer),
     REG_JNI(register_android_view_Surface),
     REG_JNI(register_android_view_SurfaceControl),
     REG_JNI(register_android_view_SurfaceSession),
diff --git a/core/jni/android_view_HardwareRenderer.cpp b/core/jni/android_view_GLRenderer.cpp
index 479fbe2..7cf93d0 100644
--- a/core/jni/android_view_HardwareRenderer.cpp
+++ b/core/jni/android_view_GLRenderer.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "HardwareRenderer"
+#define LOG_TAG "GLRenderer"
 
 #include "jni.h"
 #include <nativehelper/JNIHelp.h>
@@ -60,7 +60,7 @@ namespace android {
 // Surface and display management
 // ----------------------------------------------------------------------------
 
-static jboolean android_view_HardwareRenderer_preserveBackBuffer(JNIEnv* env, jobject clazz) {
+static jboolean android_view_GLRenderer_preserveBackBuffer(JNIEnv* env, jobject clazz) {
     EGLDisplay display = eglGetCurrentDisplay();
     EGLSurface surface = eglGetCurrentSurface(EGL_DRAW);
 
@@ -75,7 +75,7 @@ static jboolean android_view_HardwareRenderer_preserveBackBuffer(JNIEnv* env, jo
     return error == EGL_SUCCESS;
 }
 
-static jboolean android_view_HardwareRenderer_isBackBufferPreserved(JNIEnv* env, jobject clazz) {
+static jboolean android_view_GLRenderer_isBackBufferPreserved(JNIEnv* env, jobject clazz) {
     EGLDisplay display = eglGetCurrentDisplay();
     EGLSurface surface = eglGetCurrentSurface(EGL_DRAW);
     EGLint value;
@@ -95,14 +95,14 @@ static jboolean android_view_HardwareRenderer_isBackBufferPreserved(JNIEnv* env,
 // Tracing and debugging
 // ----------------------------------------------------------------------------
 
-static bool android_view_HardwareRenderer_loadProperties(JNIEnv* env, jobject clazz) {
+static bool android_view_GLRenderer_loadProperties(JNIEnv* env, jobject clazz) {
     if (uirenderer::Caches::hasInstance()) {
         return uirenderer::Caches::getInstance().initProperties();
     }
     return false;
 }
 
-static void android_view_HardwareRenderer_beginFrame(JNIEnv* env, jobject clazz,
+static void android_view_GLRenderer_beginFrame(JNIEnv* env, jobject clazz,
         jintArray size) {
 
     EGLDisplay display = eglGetCurrentDisplay();
@@ -124,7 +124,7 @@ static void android_view_HardwareRenderer_beginFrame(JNIEnv* env, jobject clazz,
     eglBeginFrame(display, surface);
 }
 
-static jlong android_view_HardwareRenderer_getSystemTime(JNIEnv* env, jobject clazz) {
+static jlong android_view_GLRenderer_getSystemTime(JNIEnv* env, jobject clazz) {
     if (uirenderer::Extensions::getInstance().hasNvSystemTime()) {
         return eglGetSystemTimeNV();
     }
@@ -137,7 +137,7 @@ static jlong android_view_HardwareRenderer_getSystemTime(JNIEnv* env, jobject cl
 // Shaders
 // ----------------------------------------------------------------------------
 
-static void android_view_HardwareRenderer_setupShadersDiskCache(JNIEnv* env, jobject clazz,
+static void android_view_GLRenderer_setupShadersDiskCache(JNIEnv* env, jobject clazz,
         jstring diskCachePath) {
 
     const char* cacheArray = env->GetStringUTFChars(diskCachePath, NULL);
@@ -149,24 +149,24 @@ static void android_view_HardwareRenderer_setupShadersDiskCache(JNIEnv* env, job
 // JNI Glue
 // ----------------------------------------------------------------------------
 
-const char* const kClassPathName = "android/view/HardwareRenderer";
+const char* const kClassPathName = "android/view/GLRenderer";
 
 static JNINativeMethod gMethods[] = {
 #ifdef USE_OPENGL_RENDERER
-    { "nIsBackBufferPreserved", "()Z",   (void*) android_view_HardwareRenderer_isBackBufferPreserved },
-    { "nPreserveBackBuffer",    "()Z",   (void*) android_view_HardwareRenderer_preserveBackBuffer },
-    { "nLoadProperties",        "()Z",   (void*) android_view_HardwareRenderer_loadProperties },
+    { "isBackBufferPreserved", "()Z",   (void*) android_view_GLRenderer_isBackBufferPreserved },
+    { "preserveBackBuffer",    "()Z",   (void*) android_view_GLRenderer_preserveBackBuffer },
+    { "loadProperties",        "()Z",   (void*) android_view_GLRenderer_loadProperties },
 
-    { "nBeginFrame",            "([I)V", (void*) android_view_HardwareRenderer_beginFrame },
+    { "beginFrame",            "([I)V", (void*) android_view_GLRenderer_beginFrame },
 
-    { "nGetSystemTime",         "()J",   (void*) android_view_HardwareRenderer_getSystemTime },
+    { "getSystemTime",         "()J",   (void*) android_view_GLRenderer_getSystemTime },
 #endif
 
-    { "nSetupShadersDiskCache", "(Ljava/lang/String;)V",
-            (void*) android_view_HardwareRenderer_setupShadersDiskCache },
+    { "setupShadersDiskCache", "(Ljava/lang/String;)V",
+            (void*) android_view_GLRenderer_setupShadersDiskCache },
 };
 
-int register_android_view_HardwareRenderer(JNIEnv* env) {
+int register_android_view_GLRenderer(JNIEnv* env) {
     return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods));
 }