RenderThread work (cec24ae1) · Commits · e / os / android_frameworks_base

core/java/android/view/GLRenderer.java

+62 −8

Original line number	Diff line number	Diff line
		@@ -635,11 +635,11 @@ public class GLRenderer extends HardwareRenderer {
		GLRenderer(boolean translucent) {
		mTranslucent = translucent;

		loadSystemProperties(null);
		loadSystemProperties();
		}

		@Override
		boolean loadSystemProperties(Surface surface) {
		boolean loadSystemProperties() {
		boolean value;
		boolean changed = false;

		@@ -1101,11 +1101,6 @@ public class GLRenderer extends HardwareRenderer {
		return mHeight;
		}

		@Override
		HardwareCanvas getCanvas() {
		return mCanvas;
		}

		@Override
		void setName(String name) {
		mName = name;
		@@ -1128,6 +1123,66 @@ public class GLRenderer extends HardwareRenderer {
		}
		}

		@Override
		void drawDisplayList(DisplayList displayList, View.AttachInfo attachInfo,
		HardwareDrawCallbacks callbacks, Rect dirty) {
		if (canDraw()) {
		if (!hasDirtyRegions()) {
		dirty = null;
		}

		// 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);

		int saveCount = 0;
		int status = DisplayList.STATUS_DONE;

		long start = getSystemTime();
		try {
		status = prepareFrame(dirty);

		saveCount = canvas.save();
		callbacks.onHardwarePreDraw(canvas);

		status \|= drawDisplayList(attachInfo, canvas, displayList, status);
		} catch (Exception e) {
		Log.e(LOG_TAG, "An error has occurred while drawing:", e);
		} finally {
		callbacks.onHardwarePostDraw(canvas);
		canvas.restoreToCount(saveCount);

		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;
		}
		}
		}

		@Override
		void draw(View view, View.AttachInfo attachInfo, HardwareDrawCallbacks callbacks,
		Rect dirty) {
		@@ -1144,7 +1199,6 @@ public class GLRenderer extends HardwareRenderer {
		final int surfaceState = checkRenderContextUnsafe();
		if (surfaceState != SURFACE_STATE_ERROR) {
		HardwareCanvas canvas = mCanvas;
		attachInfo.mHardwareCanvas = canvas;

		if (mProfileEnabled) {
		mProfileLock.lock();

core/java/android/view/HardwareRenderer.java

+22 −10

Original line number	Diff line number	Diff line
		@@ -188,6 +188,9 @@ public abstract class HardwareRenderer {
		*/
		public static boolean sSystemRendererDisabled = false;

		/** @hide */
		public static boolean sUseRenderThread = false;

		private boolean mEnabled;
		private boolean mRequested = true;

		@@ -305,13 +308,6 @@ public abstract class HardwareRenderer {
		*/
		abstract int getHeight();

		/**
		* Gets the current canvas associated with this HardwareRenderer.
		*
		* @return the current HardwareCanvas
		*/
		abstract HardwareCanvas getCanvas();

		/**
		* Outputs extra debugging information in the specified file descriptor.
		* @param pw
		@@ -335,7 +331,7 @@ public abstract class HardwareRenderer {
		*
		* @return True if a property has changed.
		*/
		abstract boolean loadSystemProperties(Surface surface);
		abstract boolean loadSystemProperties();

		/**
		* Sets the directory to use as a persistent storage for hardware rendering
		@@ -411,6 +407,18 @@ public abstract class HardwareRenderer {
		abstract void draw(View view, View.AttachInfo attachInfo, HardwareDrawCallbacks callbacks,
		Rect dirty);

		/**
		* Temporary hook to draw a display list directly, only used if sUseRenderThread
		* is true.
		*
		* @param displayList The display list to draw
		* @param attachInfo AttachInfo tied to the specified view.
		* @param callbacks Callbacks invoked when drawing happens.
		* @param dirty The dirty rectangle to update, can be null.
		*/
		abstract void drawDisplayList(DisplayList displayList, View.AttachInfo attachInfo,
		HardwareDrawCallbacks callbacks, Rect dirty);

		/**
		* Creates a new hardware layer. A hardware layer built by calling this
		* method will be treated as a texture layer, instead of as a render target.
		@@ -517,10 +525,14 @@ public abstract class HardwareRenderer {
		* @return A hardware renderer backed by OpenGL.
		*/
		static HardwareRenderer create(boolean translucent) {
		HardwareRenderer renderer = null;
		if (GLES20Canvas.isAvailable()) {
		return new GLRenderer(translucent);
		renderer = new GLRenderer(translucent);
		}
		if (renderer != null && sUseRenderThread) {
		renderer = new ThreadedRenderer((GLRenderer)renderer);
		}
		return null;
		return renderer;
		}

		/**

core/java/android/view/ThreadedRenderer.java

0 → 100644

+317 −0

Original line number	Diff line number	Diff line
		/*
		* 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 android.graphics.Rect;
		import android.graphics.SurfaceTexture;
		import android.os.Looper;
		import android.os.SystemClock;
		import android.os.Trace;
		import android.util.Log;
		import android.view.Surface.OutOfResourcesException;
		import android.view.View.AttachInfo;

		import java.io.PrintWriter;
		import java.lang.reflect.Method;
		import java.util.HashMap;

		/**
		* Hardware renderer that proxies the rendering to a render thread. Most calls
		* are synchronous, however a few such as draw() are posted async. The display list
		* is shared between the two threads and is guarded by a top level lock.
		*
		* The UI thread can block on the RenderThread, but RenderThread must never
		* block on the UI thread.
		*
		* Note that although currently the EGL context & surfaces are created & managed
		* by the render thread, the goal is to move that into a shared structure that can
		* be managed by both threads. EGLSurface creation & deletion should ideally be
		* done on the UI thread and not the RenderThread to avoid stalling the
		* RenderThread with surface buffer allocation.
		*
		* @hide
		*/
		public class ThreadedRenderer extends HardwareRenderer {
		private static final String LOGTAG = "ThreadedRenderer";

		@SuppressWarnings("serial")
		static HashMap<String, Method> sMethodLut = new HashMap<String, Method>() {{
		Method[] methods = HardwareRenderer.class.getDeclaredMethods();
		for (Method m : methods) {
		put(m.getName(), m);
		}
		}};
		static boolean sNeedsInit = true;

		private HardwareRenderer mRemoteRenderer;
		private int mWidth, mHeight;
		private RTJob mPreviousDraw;

		ThreadedRenderer(GLRenderer backingRenderer) {
		mRemoteRenderer = backingRenderer;
		setEnabled(true);
		if (sNeedsInit) {
		sNeedsInit = false;
		postToRenderThread(new Runnable() {
		@Override
		public void run() {
		// Hack to allow GLRenderer to create a handler to post the EGL
		// destruction to, although it'll never run
		Looper.prepare();
		}
		});
		}
		}

		@Override
		void destroy(boolean full) {
		run("destroy", full);
		}

		@Override
		boolean initialize(Surface surface) throws OutOfResourcesException {
		return (Boolean) run("initialize", surface);
		}

		@Override
		void updateSurface(Surface surface) throws OutOfResourcesException {
		post("updateSurface", surface);
		}

		@Override
		void destroyLayers(View view) {
		throw new NoSuchMethodError();
		}

		@Override
		void destroyHardwareResources(View view) {
		run("destroyHardwareResources", view);
		}

		@Override
		void invalidate(Surface surface) {
		post("invalidate", surface);
		}

		@Override
		boolean validate() {
		// TODO Remove users of this API
		return false;
		}

		@Override
		boolean safelyRun(Runnable action) {
		return (Boolean) run("safelyRun", action);
		}

		@Override
		void setup(int width, int height) {
		mWidth = width;
		mHeight = height;
		post("setup", width, height);
		}

		@Override
		int getWidth() {
		return mWidth;
		}

		@Override
		int getHeight() {
		return mHeight;
		}

		@Override
		void dumpGfxInfo(PrintWriter pw) {
		// TODO Auto-generated method stub
		}

		@Override
		long getFrameCount() {
		// TODO Auto-generated method stub
		return 0;
		}

		@Override
		boolean loadSystemProperties() {
		return (Boolean) run("loadSystemProperties");
		}

		@Override
		void pushLayerUpdate(HardwareLayer layer) {
		throw new NoSuchMethodError();
		}

		@Override
		void cancelLayerUpdate(HardwareLayer layer) {
		throw new NoSuchMethodError();
		}

		@Override
		void flushLayerUpdates() {
		throw new NoSuchMethodError();
		}

		@Override
		void drawDisplayList(DisplayList displayList, AttachInfo attachInfo,
		HardwareDrawCallbacks callbacks, Rect dirty) {
		throw new NoSuchMethodError();
		}

		/**
		* TODO: Remove
		* Temporary hack to allow RenderThreadTest prototype app to trigger
		* replaying a DisplayList after modifying the displaylist properties
		*
		* @hide */
		public void repeatLastDraw() {
		if (mPreviousDraw == null) {
		throw new IllegalStateException("There isn't a previous draw");
		}
		synchronized (mPreviousDraw) {
		mPreviousDraw.completed = false;
		}
		mPreviousDraw.args[3] = null;
		postToRenderThread(mPreviousDraw);
		}

		@Override
		void draw(View view, AttachInfo attachInfo, HardwareDrawCallbacks callbacks, Rect dirty) {
		requireCompletion(mPreviousDraw);

		attachInfo.mIgnoreDirtyState = true;
		attachInfo.mDrawingTime = SystemClock.uptimeMillis();
		view.mPrivateFlags \|= View.PFLAG_DRAWN;

		view.mRecreateDisplayList = (view.mPrivateFlags & View.PFLAG_INVALIDATED)
		== View.PFLAG_INVALIDATED;
		view.mPrivateFlags &= ~View.PFLAG_INVALIDATED;

		Trace.traceBegin(Trace.TRACE_TAG_VIEW, "getDisplayList");
		DisplayList displayList = view.getDisplayList();
		Trace.traceEnd(Trace.TRACE_TAG_VIEW);

		view.mRecreateDisplayList = false;

		mPreviousDraw = post("drawDisplayList", displayList, attachInfo,
		callbacks, dirty);
		}

		@Override
		HardwareLayer createHardwareLayer(boolean isOpaque) {
		throw new NoSuchMethodError();
		}

		@Override
		HardwareLayer createHardwareLayer(int width, int height, boolean isOpaque) {
		throw new NoSuchMethodError();
		}

		@Override
		SurfaceTexture createSurfaceTexture(HardwareLayer layer) {
		throw new NoSuchMethodError();
		}

		@Override
		void setSurfaceTexture(HardwareLayer layer, SurfaceTexture surfaceTexture) {
		throw new NoSuchMethodError();
		}

		@Override
		void detachFunctor(int functor) {
		throw new NoSuchMethodError();
		}

		@Override
		boolean attachFunctor(AttachInfo attachInfo, int functor) {
		throw new NoSuchMethodError();
		}

		@Override
		void setName(String name) {
		post("setName", name);
		}

		private static void requireCompletion(RTJob job) {
		if (job != null) {
		synchronized (job) {
		if (!job.completed) {
		try {
		job.wait();
		} catch (InterruptedException e) {
		throw new RuntimeException(e);
		}
		}
		}
		}
		}

		private RTJob post(String method, Object... args) {
		RTJob job = new RTJob();
		job.method = sMethodLut.get(method);
		job.args = args;
		job.target = mRemoteRenderer;
		if (job.method == null) {
		throw new NullPointerException("Couldn't find method: " + method);
		}
		postToRenderThread(job);
		return job;
		}

		private Object run(String method, Object... args) {
		RTJob job = new RTJob();
		job.method = sMethodLut.get(method);
		job.args = args;
		job.target = mRemoteRenderer;
		if (job.method == null) {
		throw new NullPointerException("Couldn't find method: " + method);
		}
		synchronized (job) {
		postToRenderThread(job);
		try {
		job.wait();
		return job.ret;
		} catch (InterruptedException e) {
		throw new RuntimeException(e);
		}
		}
		}

		static class RTJob implements Runnable {
		Method method;
		Object[] args;
		Object target;
		Object ret;
		boolean completed = false;

		@Override
		public void run() {
		try {
		ret = method.invoke(target, args);
		synchronized (this) {
		completed = true;
		notify();
		}
		} catch (Exception e) {
		Log.e(LOGTAG, "Failed to invoke: " + method.getName(), e);
		}
		}
		}

		/** @hide */
		public static native void postToRenderThread(Runnable runnable);
		}

core/java/android/view/View.java

+7 −2

Original line number	Diff line number	Diff line
		@@ -11208,6 +11208,13 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
		return null;
		}

		/**
		* @hide
		*/
		public HardwareRenderer getHardwareRenderer() {
		return mAttachInfo != null ? mAttachInfo.mHardwareRenderer : null;
		}

		/**
		* <p>Causes the Runnable to be added to the message queue.
		* The runnable will be run on the user interface thread.</p>
		@@ -18843,8 +18850,6 @@ public class View implements Drawable.Callback, KeyEvent.Callback,

		final Callbacks mRootCallbacks;

		HardwareCanvas mHardwareCanvas;

		IWindowId mIWindowId;
		WindowId mWindowId;

core/java/android/view/ViewRootImpl.java

+115 −109

File changed.

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