Merge "Move image wallpaper rendering works to background thread." into qt-dev (c0a94341) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/ImageWallpaper.java

+61 −28

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package com.android.systemui;
		import android.app.ActivityManager;
		import android.content.Context;
		import android.graphics.Rect;
		import android.os.HandlerThread;
		import android.service.wallpaper.WallpaperService;
		import android.util.Log;
		import android.util.Size;
		@@ -45,12 +46,27 @@ public class ImageWallpaper extends WallpaperService {
		// We delayed destroy render context that subsequent render requests have chance to cancel it.
		// This is to avoid destroying then recreating render context in a very short time.
		private static final int DELAY_FINISH_RENDERING = 1000;
		private HandlerThread mWorker;

		@Override
		public void onCreate() {
		super.onCreate();
		mWorker = new HandlerThread(TAG);
		mWorker.start();
		}

		@Override
		public Engine onCreateEngine() {
		return new GLEngine(this);
		}

		@Override
		public void onDestroy() {
		super.onDestroy();
		mWorker.quitSafely();
		mWorker = null;
		}

		class GLEngine extends Engine implements GLWallpaperRenderer.SurfaceProxy, StateListener {
		// Surface is rejected if size below a threshold on some devices (ie. 8px on elfin)
		// set min to 64 px (CTS covers this), please refer to ag/4867989 for detail.
		@@ -98,13 +114,14 @@ public class ImageWallpaper extends WallpaperService {
		@Override
		public void onOffsetsChanged(float xOffset, float yOffset, float xOffsetStep,
		float yOffsetStep, int xPixelOffset, int yPixelOffset) {
		mRenderer.updateOffsets(xOffset, yOffset);
		mWorker.getThreadHandler().post(() -> mRenderer.updateOffsets(xOffset, yOffset));
		}

		@Override
		public void onAmbientModeChanged(boolean inAmbientMode, long animationDuration) {
		mRenderer.updateAmbientMode(inAmbientMode,
		(mNeedTransition \|\| animationDuration != 0) ? animationDuration : 0);
		long duration = mNeedTransition \|\| animationDuration != 0 ? animationDuration : 0;
		mWorker.getThreadHandler().post(
		() -> mRenderer.updateAmbientMode(inAmbientMode, duration));
		}

		@Override
		@@ -113,53 +130,61 @@ public class ImageWallpaper extends WallpaperService {
		mController.removeCallback(this /* StateListener */);
		}
		mController = null;

		mWorker.getThreadHandler().post(() -> {
		mRenderer.finish();
		mRenderer = null;
		mEglHelper.finish();
		mEglHelper = null;
		getSurfaceHolder().getSurface().hwuiDestroy();
		});
		}

		@Override
		public void onSurfaceCreated(SurfaceHolder holder) {
		mWorker.getThreadHandler().post(() -> {
		mEglHelper.init(holder);
		mRenderer.onSurfaceCreated();
		});
		}

		@Override
		public void onSurfaceChanged(SurfaceHolder holder, int format, int width, int height) {
		mWorker.getThreadHandler().post(() -> {
		mRenderer.onSurfaceChanged(width, height);
		mNeedRedraw = true;
		});
		}

		@Override
		public void onSurfaceRedrawNeeded(SurfaceHolder holder) {
		mWorker.getThreadHandler().post(() -> {
		if (mNeedRedraw) {
		preRender();
		requestRender();
		postRender();
		mNeedRedraw = false;
		}
		}

		@Override
		public SurfaceHolder getHolder() {
		return getSurfaceHolder();
		});
		}

		@Override
		public void onStatePostChange() {
		// When back to home, we try to release EGL, which is preserved in lock screen or aod.
		if (mController.getState() == StatusBarState.SHADE) {
		scheduleFinishRendering();
		mWorker.getThreadHandler().post(this::scheduleFinishRendering);
		}
		}

		@Override
		public void preRender() {
		mWorker.getThreadHandler().post(this::preRenderInternal);
		}

		private void preRenderInternal() {
		boolean contextRecreated = false;
		Rect frame = getSurfaceHolder().getSurfaceFrame();
		getMainThreadHandler().removeCallbacks(mFinishRenderingTask);
		cancelFinishRenderingTask();

		// Check if we need to recreate egl context.
		if (!mEglHelper.hasEglContext()) {
		@@ -187,6 +212,10 @@ public class ImageWallpaper extends WallpaperService {

		@Override
		public void requestRender() {
		mWorker.getThreadHandler().post(this::requestRenderInternal);
		}

		private void requestRenderInternal() {
		Rect frame = getSurfaceHolder().getSurfaceFrame();
		boolean readyToRender = mEglHelper.hasEglContext() && mEglHelper.hasEglSurface()
		&& frame.width() > 0 && frame.height() > 0;
		@@ -205,12 +234,16 @@ public class ImageWallpaper extends WallpaperService {

		@Override
		public void postRender() {
		scheduleFinishRendering();
		mWorker.getThreadHandler().post(this::scheduleFinishRendering);
		}

		private void cancelFinishRenderingTask() {
		mWorker.getThreadHandler().removeCallbacks(mFinishRenderingTask);
		}

		private void scheduleFinishRendering() {
		getMainThreadHandler().removeCallbacks(mFinishRenderingTask);
		getMainThreadHandler().postDelayed(mFinishRenderingTask, DELAY_FINISH_RENDERING);
		cancelFinishRenderingTask();
		mWorker.getThreadHandler().postDelayed(mFinishRenderingTask, DELAY_FINISH_RENDERING);
		}

		private void finishRendering() {

packages/SystemUI/src/com/android/systemui/glwallpaper/EglHelper.java

+5 −1

Original line number	Diff line number	Diff line
		@@ -60,6 +60,9 @@ import java.io.PrintWriter;
		*/
		public class EglHelper {
		private static final String TAG = EglHelper.class.getSimpleName();
		// Below two constants make drawing at low priority, so other things can preempt our drawing.
		private static final int EGL_CONTEXT_PRIORITY_LEVEL_IMG = 0x3100;
		private static final int EGL_CONTEXT_PRIORITY_LOW_IMG = 0x3103;

		private EGLDisplay mEglDisplay;
		private EGLConfig mEglConfig;
		@@ -181,7 +184,8 @@ public class EglHelper {
		* @return true if EglContext is ready.
		*/
		public boolean createEglContext() {
		int[] attrib_list = new int[] {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE};
		int[] attrib_list = new int[] {EGL_CONTEXT_CLIENT_VERSION, 2,
		EGL_CONTEXT_PRIORITY_LEVEL_IMG, EGL_CONTEXT_PRIORITY_LOW_IMG, EGL_NONE};
		mEglContext = eglCreateContext(mEglDisplay, mEglConfig, EGL_NO_CONTEXT, attrib_list, 0);
		if (mEglContext == EGL_NO_CONTEXT) {
		Log.w(TAG, "eglCreateContext failed: " + GLUtils.getEGLErrorString(eglGetError()));

packages/SystemUI/src/com/android/systemui/glwallpaper/GLWallpaperRenderer.java

+0 −7

Original line number	Diff line number	Diff line
		@@ -17,7 +17,6 @@
		package com.android.systemui.glwallpaper;

		import android.util.Size;
		import android.view.SurfaceHolder;

		import java.io.FileDescriptor;
		import java.io.PrintWriter;
		@@ -82,12 +81,6 @@ public interface GLWallpaperRenderer {
		*/
		interface SurfaceProxy {

		/**
		* Get surface holder.
		* @return surface holder.
		*/
		SurfaceHolder getHolder();

		/**
		* Ask proxy to start rendering frame to surface.
		*/