Merge "Remove GLRenderer"

9 files changed, 19 insertions, 1739 deletions

diff --git a/core/java/android/view/GLES20Canvas.java b/core/java/android/view/GLES20Canvas.java
index 424d860..5056097 100644
--- a/core/java/android/view/GLES20Canvas.java
+++ b/core/java/android/view/GLES20Canvas.java
@@ -75,22 +75,10 @@ class GLES20Canvas extends HardwareCanvas {
     // Constructors
     ///////////////////////////////////////////////////////////////////////////
 
-    /**
-     * Creates a canvas to render directly on screen.
-     */
-    GLES20Canvas(boolean translucent) {
-        this(false, translucent);
-    }
-    
-    protected GLES20Canvas(boolean record, boolean translucent) {
-        mOpaque = !translucent;
-
-        if (record) {
-            mRenderer = nCreateDisplayListRenderer();
-        } else {
-            mRenderer = nCreateRenderer();
-        }
-
+    // TODO: Merge with GLES20RecordingCanvas
+    protected GLES20Canvas() {
+        mOpaque = false;
+        mRenderer = nCreateDisplayListRenderer();
         setupFinalizer();
     }
 
@@ -102,7 +90,6 @@ class GLES20Canvas extends HardwareCanvas {
         }
     }
 
-    private static native long nCreateRenderer();
     private static native long nCreateDisplayListRenderer();
     private static native void nResetDisplayListRenderer(long renderer);
     private static native void nDestroyRenderer(long renderer);
@@ -131,36 +118,6 @@ class GLES20Canvas extends HardwareCanvas {
     private static native void nSetProperty(String name, String value);
 
     ///////////////////////////////////////////////////////////////////////////
-    // Hardware layers
-    ///////////////////////////////////////////////////////////////////////////
-
-    @Override
-    void pushLayerUpdate(HardwareLayer layer) {
-        nPushLayerUpdate(mRenderer, layer.getLayer());
-    }
-
-    @Override
-    void cancelLayerUpdate(HardwareLayer layer) {
-        nCancelLayerUpdate(mRenderer, layer.getLayer());
-    }
-
-    @Override
-    void flushLayerUpdates() {
-        nFlushLayerUpdates(mRenderer);
-    }
-
-    @Override
-    void clearLayerUpdates() {
-        nClearLayerUpdates(mRenderer);
-    }
-
-    static native boolean nCopyLayer(long layerId, long bitmap);
-    private static native void nClearLayerUpdates(long renderer);
-    private static native void nFlushLayerUpdates(long renderer);
-    private static native void nPushLayerUpdate(long renderer, long layer);
-    private static native void nCancelLayerUpdate(long renderer, long layer);
-
-    ///////////////////////////////////////////////////////////////////////////
     // Canvas management
     ///////////////////////////////////////////////////////////////////////////
 
@@ -234,20 +191,6 @@ class GLES20Canvas extends HardwareCanvas {
 
     private static native void nFinish(long renderer);
 
-    /**
-     * Returns the size of the stencil buffer required by the underlying
-     * implementation.
-     * 
-     * @return The minimum number of bits the stencil buffer must. Always >= 0.
-     * 
-     * @hide
-     */
-    public static int getStencilSize() {
-        return nGetStencilSize();
-    }
-
-    private static native int nGetStencilSize();
-
     ///////////////////////////////////////////////////////////////////////////
     // Functor
     ///////////////////////////////////////////////////////////////////////////
@@ -284,49 +227,6 @@ class GLES20Canvas extends HardwareCanvas {
      */
     static final int FLUSH_CACHES_FULL = 2;
 
-    /**
-     * Flush caches to reclaim as much memory as possible. The amount of memory
-     * to reclaim is indicate by the level parameter.
-     * 
-     * The level can be one of {@link #FLUSH_CACHES_MODERATE} or
-     * {@link #FLUSH_CACHES_FULL}.
-     * 
-     * @param level Hint about the amount of memory to reclaim
-     */
-    static void flushCaches(int level) {
-        nFlushCaches(level);
-    }
-
-    private static native void nFlushCaches(int level);
-
-    /**
-     * Release all resources associated with the underlying caches. This should
-     * only be called after a full flushCaches().
-     * 
-     * @hide
-     */
-    static void terminateCaches() {
-        nTerminateCaches();
-    }
-
-    private static native void nTerminateCaches();
-
-    static boolean initCaches() {
-        return nInitCaches();
-    }
-
-    private static native boolean nInitCaches();
-
-    ///////////////////////////////////////////////////////////////////////////
-    // Atlas
-    ///////////////////////////////////////////////////////////////////////////
-
-    static void initAtlas(GraphicBuffer buffer, long[] map) {
-        nInitAtlas(buffer, map, map.length);
-    }
-
-    private static native void nInitAtlas(GraphicBuffer buffer, long[] map, int count);
-
     ///////////////////////////////////////////////////////////////////////////
     // Display list
     ///////////////////////////////////////////////////////////////////////////
@@ -899,12 +799,6 @@ class GLES20Canvas extends HardwareCanvas {
     private static native void nDrawPath(long renderer, long path, long paint);
     private static native void nDrawRects(long renderer, long region, long paint);
 
-    void drawRects(float[] rects, int count, Paint paint) {
-        nDrawRects(mRenderer, rects, count, paint.mNativePaint);
-    }
-
-    private static native void nDrawRects(long renderer, float[] rects, int count, long paint);
-
     @Override
     public void drawPicture(Picture picture) {
         if (picture.createdFromStream) {
diff --git a/core/java/android/view/GLES20RecordingCanvas.java b/core/java/android/view/GLES20RecordingCanvas.java
index a94ec3a..b2961e5 100644
--- a/core/java/android/view/GLES20RecordingCanvas.java
+++ b/core/java/android/view/GLES20RecordingCanvas.java
@@ -36,7 +36,7 @@ class GLES20RecordingCanvas extends GLES20Canvas {
     RenderNode mNode;
 
     private GLES20RecordingCanvas() {
-        super(true, true);
+        super();
     }
 
     static GLES20RecordingCanvas obtain(@NonNull RenderNode node) {
diff --git a/core/java/android/view/GLRenderer.java b/core/java/android/view/GLRenderer.java
deleted file mode 100644
index f1163e2..0000000
--- a/core/java/android/view/GLRenderer.java
+++ /dev/null
@@ -1,1521 +0,0 @@
-/*
- * 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.Bitmap;
-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.FileDescriptor;
-import java.io.PrintWriter;
-import java.util.ArrayList;
-import java.util.List;
-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,
-    };
-
-    private static final String[] OVERDRAW = {
-            OVERDRAW_PROPERTY_SHOW,
-    };
-    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;
-
-    final boolean mTranslucent;
-
-    private boolean mDestroyed;
-
-    private final Rect mRedrawClip = new Rect();
-
-    private final int[] mSurfaceSize = new int[2];
-
-    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 List<HardwareLayer> mLayerUpdates = new ArrayList<HardwareLayer>();
-
-    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) {
-                    long[] 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) {
-        mLayerUpdates.add(layer);
-    }
-
-    @Override
-    void flushLayerUpdates() {
-        if (validate()) {
-            flushLayerChanges();
-            mGlCanvas.flushLayerUpdates();
-        }
-    }
-
-    @Override
-    HardwareLayer createTextureLayer() {
-        validate();
-        return HardwareLayer.createTextureLayer(this);
-    }
-
-    @Override
-    public HardwareLayer createDisplayListLayer(int width, int height) {
-        validate();
-        return HardwareLayer.createDisplayListLayer(this, width, height);
-    }
-
-    boolean hasContext() {
-        return sEgl != null && mEglContext != null
-                && mEglContext.equals(sEgl.eglGetCurrentContext());
-    }
-
-    @Override
-    void onLayerDestroyed(HardwareLayer layer) {
-        if (mGlCanvas != null) {
-            mGlCanvas.cancelLayerUpdate(layer);
-        }
-        mLayerUpdates.remove(layer);
-    }
-
-    @Override
-    public SurfaceTexture createSurfaceTexture(HardwareLayer layer) {
-        return layer.createSurfaceTexture();
-    }
-
-    @Override
-    boolean copyLayerInto(HardwareLayer layer, Bitmap bitmap) {
-        if (!validate()) {
-            throw new IllegalStateException("Could not acquire hardware rendering context");
-        }
-        layer.flushChanges();
-        return GLES20Canvas.nCopyLayer(layer.getLayer(), bitmap.mNativeBitmap);
-    }
-
-    @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 invokeFunctor(long functor, boolean waitForCompletion) {
-        boolean needsContext = !isEnabled() || checkRenderContext() == SURFACE_STATE_ERROR;
-        boolean hasContext = !needsContext;
-
-        if (needsContext) {
-            GLRendererEglContext managedContext =
-                    (GLRendererEglContext) sEglContextStorage.get();
-            if (managedContext != null) {
-                usePbufferSurface(managedContext.getContext());
-                hasContext = true;
-            }
-        }
-
-        try {
-            nInvokeFunctor(functor, hasContext);
-        } finally {
-            if (needsContext) {
-                sEgl.eglMakeCurrent(sEglDisplay, EGL_NO_SURFACE,
-                        EGL_NO_SURFACE, EGL_NO_CONTEXT);
-            }
-        }
-    }
-
-    private static native void nInvokeFunctor(long functor, boolean hasContext);
-
-    @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();
-    }
-
-    @Override
-    void setOpaque(boolean opaque) {
-        // Not supported
-    }
-
-    @Override
-    boolean loadSystemProperties() {
-        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 GraphDataProvider(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 (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, FileDescriptor fd) {
-        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();
-            }
-        }
-    }
-
-    /**
-     * 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();
-                    }
-                    setEnabled(true);
-
-                    if (contextCreated) {
-                        initAtlas();
-                    }
-                }
-
-                return mCanvas != null;
-            }
-        }
-        return false;
-    }
-
-    @Override
-    void updateSurface(Surface surface) throws OutOfResourcesException {
-        if (isRequested() && isEnabled()) {
-            createEglSurface(surface);
-        }
-    }
-
-    @Override
-    void pauseSurface(Surface surface) {
-        // No-op
-    }
-
-    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;
-    }
-
-    boolean validate() {
-        return checkRenderContext() != SURFACE_STATE_ERROR;
-    }
-
-    @Override
-    void setup(int width, int height, float lightX, float lightY, float lightZ, float lightRadius) {
-        if (validate()) {
-            mCanvas.setViewport(width, height);
-            mCanvas.initializeLight(lightX, lightY, lightZ, lightRadius);
-            mWidth = width;
-            mHeight = height;
-        }
-    }
-
-    @Override
-    int getWidth() {
-        return mWidth;
-    }
-
-    @Override
-    int getHeight() {
-        return mHeight;
-    }
-
-    @Override
-    void setName(String name) {
-        mName = name;
-    }
-
-    @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;
-
-                if (mProfileEnabled) {
-                    mProfileLock.lock();
-                }
-
-                dirty = beginFrame(canvas, dirty, surfaceState);
-
-                RenderNode displayList = buildDisplayList(view, canvas);
-
-                flushLayerChanges();
-
-                // 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 = RenderNode.STATUS_DONE;
-
-                long start = getSystemTime();
-                try {
-                    status = prepareFrame(dirty);
-
-                    saveCount = canvas.save();
-                    callbacks.onHardwarePreDraw(canvas);
-
-                    if (displayList != null) {
-                        status |= drawDisplayList(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++;
-
-                        debugDirtyRegions(dirty, canvas);
-                        drawProfileData(attachInfo);
-                    }
-                }
-
-                onPostDraw();
-
-                swapBuffers(status);
-
-                if (mProfileEnabled) {
-                    mProfileLock.unlock();
-                }
-
-                attachInfo.mIgnoreDirtyState = false;
-            }
-        }
-    }
-
-    private void flushLayerChanges() {
-        // Loop through and apply any pending layer changes
-        for (int i = 0; i < mLayerUpdates.size(); i++) {
-            HardwareLayer layer = mLayerUpdates.get(i);
-            layer.flushChanges();
-            if (!layer.isValid()) {
-                // The layer was removed from mAttachedLayers, rewind i by 1
-                // Note that this shouldn't actually happen as View.getHardwareLayer()
-                // is already flushing for error checking reasons
-                i--;
-            } else if (layer.hasDisplayList()) {
-                mCanvas.pushLayerUpdate(layer);
-            }
-        }
-        mLayerUpdates.clear();
-    }
-
-    @Override
-    void fence() {
-        // Everything is immediate, so this is a no-op
-    }
-
-    private RenderNode buildDisplayList(View view, HardwareCanvas canvas) {
-        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");
-        RenderNode renderNode = view.getDisplayList();
-        Trace.traceEnd(Trace.TRACE_TAG_VIEW);
-
-        endBuildDisplayListProfiling(buildDisplayListStartTime);
-
-        return renderNode;
-    }
-
-    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(HardwareCanvas canvas, RenderNode displayList,
-            int status) {
-
-        long drawDisplayListStartTime = 0;
-        if (mProfileEnabled) {
-            drawDisplayListStartTime = System.nanoTime();
-        }
-
-        Trace.traceBegin(Trace.TRACE_TAG_VIEW, "drawDisplayList");
-        nPrepareTree(displayList.getNativeDisplayList());
-        try {
-            status |= canvas.drawDisplayList(displayList, mRedrawClip,
-                    RenderNode.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;
-        }
-
-        return status;
-    }
-
-    private void swapBuffers(int status) {
-        if ((status & RenderNode.STATUS_DREW) == RenderNode.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);
-            }
-        }
-    }
-
-    /**
-     * 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);
-    }
-
-    static native boolean loadProperties();
-
-    static native void setupShadersDiskCache(String cacheFile);
-
-    /**
-     * Notifies EGL that the frame is about to be rendered.
-     * @param size
-     */
-    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.
-     */
-    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.
-     */
-    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
-     */
-    static native boolean isBackBufferPreserved();
-
-    static native void nDestroyLayer(long layerPtr);
-
-    private static native void nPrepareTree(long displayListPtr);
-
-    class GraphDataProvider {
-        /**
-         * Draws the graph as bars. Frame elements are stacked on top of
-         * each other.
-         */
-        public static final int GRAPH_TYPE_BARS = 0;
-        /**
-         * Draws the graph as lines. The number of series drawn corresponds
-         * to the number of elements.
-         */
-        public static final int GRAPH_TYPE_LINES = 1;
-
-        private final int mGraphType;
-
-        private int mVerticalUnit;
-        private int mHorizontalUnit;
-        private int mHorizontalMargin;
-        private int mThresholdStroke;
-
-        public GraphDataProvider(int graphType) {
-            mGraphType = graphType;
-        }
-
-        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);
-        }
-
-        int getGraphType() {
-            return mGraphType;
-        }
-
-        int getVerticalUnitSize() {
-            return mVerticalUnit;
-        }
-
-        int getHorizontalUnitSize() {
-            return mHorizontalUnit;
-        }
-
-        int getHorizontaUnitMargin() {
-            return mHorizontalMargin;
-        }
-
-        float[] getData() {
-            return mProfileData;
-        }
-
-        float getThreshold() {
-            return 16;
-        }
-
-        int getFrameCount() {
-            return mProfileData.length / PROFILE_FRAME_DATA_COUNT;
-        }
-
-        int getElementCount() {
-            return PROFILE_FRAME_DATA_COUNT;
-        }
-
-        int getCurrentFrame() {
-            return mProfileCurrentFrame / PROFILE_FRAME_DATA_COUNT;
-        }
-
-        void setupGraphPaint(Paint paint, int elementIndex) {
-            paint.setColor(PROFILE_DRAW_COLORS[elementIndex]);
-            if (mGraphType == GRAPH_TYPE_LINES) paint.setStrokeWidth(mThresholdStroke);
-        }
-
-        void setupThresholdPaint(Paint paint) {
-            paint.setColor(PROFILE_DRAW_THRESHOLD_COLOR);
-            paint.setStrokeWidth(mThresholdStroke);
-        }
-
-        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/HardwareCanvas.java b/core/java/android/view/HardwareCanvas.java
index 9568760..b8e7d8c 100644
--- a/core/java/android/view/HardwareCanvas.java
+++ b/core/java/android/view/HardwareCanvas.java
@@ -110,48 +110,6 @@ public abstract class HardwareCanvas extends Canvas {
         return RenderNode.STATUS_DONE;
     }
 
-    /**
-     * Indicates that the specified layer must be updated as soon as possible.
-     *
-     * @param layer The layer to update
-     *
-     * @see #clearLayerUpdates()
-     *
-     * @hide
-     */
-    abstract void pushLayerUpdate(HardwareLayer layer);
-
-    /**
-     * Cancels a queued layer update. If the specified layer was not
-     * queued for update, this method has no effect.
-     *
-     * @param layer The layer whose update to cancel
-     *
-     * @see #pushLayerUpdate(HardwareLayer)
-     * @see #clearLayerUpdates()
-     *
-     * @hide
-     */
-    abstract void cancelLayerUpdate(HardwareLayer layer);
-
-    /**
-     * Immediately executes all enqueued layer updates.
-     *
-     * @see #pushLayerUpdate(HardwareLayer)
-     *
-     * @hide
-     */
-    abstract void flushLayerUpdates();
-
-    /**
-     * Removes all enqueued layer updates.
-     *
-     * @see #pushLayerUpdate(HardwareLayer)
-     *
-     * @hide
-     */
-    abstract void clearLayerUpdates();
-
     public abstract void drawCircle(CanvasProperty<Float> cx, CanvasProperty<Float> cy,
             CanvasProperty<Float> radius, CanvasProperty<Paint> paint);
 }
diff --git a/core/java/android/view/HardwareLayer.java b/core/java/android/view/HardwareLayer.java
index 652bcd2..6acb134 100644
--- a/core/java/android/view/HardwareLayer.java
+++ b/core/java/android/view/HardwareLayer.java
@@ -172,24 +172,6 @@ final class HardwareLayer {
         });
     }
 
-    /**
-     * This exists to minimize impact into the current HardwareLayer paths as
-     * some of the specifics of how to handle error cases in the fully
-     * deferred model will work
-     */
-    @Deprecated
-    public void flushChanges() {
-        if (HardwareRenderer.sUseRenderThread) {
-            // Not supported, don't try.
-            return;
-        }
-
-        boolean success = nFlushChanges(mFinalizer.get());
-        if (!success) {
-            destroy();
-        }
-    }
-
     public long getLayer() {
         return nGetLayer(mFinalizer.get());
     }
@@ -216,33 +198,14 @@ final class HardwareLayer {
         return st;
     }
 
-    /**
-     * This should only be used by HardwareRenderer! Do not call directly
-     */
-    static HardwareLayer createTextureLayer(HardwareRenderer renderer) {
-        return new HardwareLayer(renderer, nCreateTextureLayer(), LAYER_TYPE_TEXTURE);
-    }
-
     static HardwareLayer adoptTextureLayer(HardwareRenderer renderer, long layer) {
         return new HardwareLayer(renderer, layer, LAYER_TYPE_TEXTURE);
     }
 
-    /**
-     * This should only be used by HardwareRenderer! Do not call directly
-     */
-    static HardwareLayer createDisplayListLayer(HardwareRenderer renderer,
-            int width, int height) {
-        return new HardwareLayer(renderer, nCreateRenderLayer(width, height), LAYER_TYPE_DISPLAY_LIST);
-    }
-
     static HardwareLayer adoptDisplayListLayer(HardwareRenderer renderer, long layer) {
         return new HardwareLayer(renderer, layer, LAYER_TYPE_DISPLAY_LIST);
     }
 
-    /** This also creates the underlying layer */
-    private static native long nCreateTextureLayer();
-    private static native long nCreateRenderLayer(int width, int height);
-
     private static native void nOnTextureDestroyed(long layerUpdater);
 
     private static native boolean nPrepare(long layerUpdater, int width, int height, boolean isOpaque);
diff --git a/core/java/android/view/HardwareRenderer.java b/core/java/android/view/HardwareRenderer.java
index d71de9f..d67c974 100644
--- a/core/java/android/view/HardwareRenderer.java
+++ b/core/java/android/view/HardwareRenderer.java
@@ -171,9 +171,6 @@ public abstract class HardwareRenderer {
      */
     public static boolean sSystemRendererDisabled = false;
 
-    /** @hide */
-    public static boolean sUseRenderThread = true;
-
     private boolean mEnabled;
     private boolean mRequested = true;
 
@@ -309,7 +306,7 @@ public abstract class HardwareRenderer {
      * @hide
      */
     public static void setupDiskCache(File cacheDir) {
-        GLRenderer.setupShadersDiskCache(new File(cacheDir, CACHE_PATH_SHADERS).getAbsolutePath());
+        ThreadedRenderer.setupShadersDiskCache(new File(cacheDir, CACHE_PATH_SHADERS).getAbsolutePath());
     }
 
     /**
@@ -469,11 +466,7 @@ public abstract class HardwareRenderer {
     static HardwareRenderer create(boolean translucent) {
         HardwareRenderer renderer = null;
         if (GLES20Canvas.isAvailable()) {
-            if (sUseRenderThread) {
-                renderer = new ThreadedRenderer(translucent);
-            } else {
-                renderer = new GLRenderer(translucent);
-            }
+            renderer = new ThreadedRenderer(translucent);
         }
         return renderer;
     }
@@ -500,7 +493,7 @@ public abstract class HardwareRenderer {
      *              see {@link android.content.ComponentCallbacks}
      */
     static void startTrimMemory(int level) {
-        GLRenderer.startTrimMemory(level);
+        ThreadedRenderer.startTrimMemory(level);
     }
 
     /**
@@ -508,7 +501,7 @@ public abstract class HardwareRenderer {
      * cleanup special resources used by the memory trimming process.
      */
     static void endTrimMemory() {
-        GLRenderer.endTrimMemory();
+        ThreadedRenderer.endTrimMemory();
     }
 
     /**
diff --git a/core/java/android/view/ThreadedRenderer.java b/core/java/android/view/ThreadedRenderer.java
index 11db996..9b3ef7f 100644
--- a/core/java/android/view/ThreadedRenderer.java
+++ b/core/java/android/view/ThreadedRenderer.java
@@ -331,6 +331,14 @@ public class ThreadedRenderer extends HardwareRenderer {
         }
     }
 
+    static void startTrimMemory(int level) {
+        // TODO
+    }
+
+    static void endTrimMemory() {
+        // TODO
+    }
+
     private static class AtlasInitializer {
         static AtlasInitializer sInstance = new AtlasInitializer();
 
@@ -367,6 +375,8 @@ public class ThreadedRenderer extends HardwareRenderer {
         }
     }
 
+    static native void setupShadersDiskCache(String cacheFile);
+
     private static native void nSetAtlas(GraphicBuffer buffer, long[] map);
 
     private static native long nCreateRootRenderNode();
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index ce266d7..b500e46 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -13593,12 +13593,6 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
                 }
             }
 
-            // The layer is not valid if the underlying GPU resources cannot be allocated
-            mHardwareLayer.flushChanges();
-            if (!mHardwareLayer.isValid()) {
-                return null;
-            }
-
             mHardwareLayer.setLayerPaint(mLayerPaint);
             RenderNode displayList = mHardwareLayer.startRecording();
             updateDisplayListIfDirty(displayList, true);
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index ac25b57..f3d1e3c 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -716,17 +716,6 @@ public final class ViewRootImpl implements ViewParent,
 
             if (!HardwareRenderer.sRendererDisabled || (HardwareRenderer.sSystemRendererDisabled
                     && forceHwAccelerated)) {
-                if (!HardwareRenderer.sUseRenderThread) {
-                    // TODO: Delete
-                    // Don't enable hardware acceleration when we're not on the main thread
-                    if (!HardwareRenderer.sSystemRendererDisabled &&
-                            Looper.getMainLooper() != Looper.myLooper()) {
-                        Log.w(HardwareRenderer.LOG_TAG, "Attempting to initialize hardware "
-                                + "acceleration outside of the main thread, aborting");
-                        return;
-                    }
-                }
-
                 if (mAttachInfo.mHardwareRenderer != null) {
                     mAttachInfo.mHardwareRenderer.destroy(true);
                 }