Add back resize buffer (e56e9df5) · Commits · e / os / android_frameworks_base

core/java/android/view/GLRenderer.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -478,6 +478,7 @@ public class GLRenderer extends HardwareRenderer {
		@Override
		void flushLayerUpdates() {
		if (validate()) {
		flushLayerChanges();
		mGlCanvas.flushLayerUpdates();
		}
		}

core/java/android/view/ViewRootImpl.java

+85 −103

Original line number	Diff line number	Diff line
		@@ -264,10 +264,10 @@ public final class ViewRootImpl implements ViewParent,
		int mScrollY;
		int mCurScrollY;
		Scroller mScroller;
		// HardwareLayer mResizeBuffer;
		// long mResizeBufferStartTime;
		// int mResizeBufferDuration;
		// static final Interpolator mResizeInterpolator = new AccelerateDecelerateInterpolator();
		HardwareLayer mResizeBuffer;
		long mResizeBufferStartTime;
		int mResizeBufferDuration;
		static final Interpolator mResizeInterpolator = new AccelerateDecelerateInterpolator();
		private ArrayList<LayoutTransition> mPendingTransitions;

		final ViewConfiguration mViewConfiguration;
		@@ -931,17 +931,12 @@ public final class ViewRootImpl implements ViewParent,
		return mAppVisible ? mView.getVisibility() : View.GONE;
		}

		// void disposeResizeBuffer() {
		// if (mResizeBuffer != null && mAttachInfo.mHardwareRenderer != null) {
		// mAttachInfo.mHardwareRenderer.safelyRun(new Runnable() {
		// @Override
		// public void run() {
		// mResizeBuffer.destroy();
		// mResizeBuffer = null;
		// }
		// });
		// }
		// }
		void disposeResizeBuffer() {
		if (mResizeBuffer != null) {
		mResizeBuffer.destroy();
		mResizeBuffer = null;
		}
		}

		/**
		* Add LayoutTransition to the list of transitions to be started in the next traversal.
		@@ -1452,76 +1447,63 @@ public final class ViewRootImpl implements ViewParent,
		final boolean visibleInsetsChanged = !mPendingVisibleInsets.equals(
		mAttachInfo.mVisibleInsets);
		if (contentInsetsChanged) {
		// TODO: Do something with this...
		// if (mWidth > 0 && mHeight > 0 && lp != null &&
		// ((lp.systemUiVisibility\|lp.subtreeSystemUiVisibility)
		// & View.SYSTEM_UI_LAYOUT_FLAGS) == 0 &&
		// mSurface != null && mSurface.isValid() &&
		// !mAttachInfo.mTurnOffWindowResizeAnim &&
		// mAttachInfo.mHardwareRenderer != null &&
		// mAttachInfo.mHardwareRenderer.isEnabled() &&
		// mAttachInfo.mHardwareRenderer.validate() &&
		// lp != null && !PixelFormat.formatHasAlpha(lp.format)) {
		//
		// disposeResizeBuffer();
		//
		// boolean completed = false;
		// HardwareCanvas hwRendererCanvas = mAttachInfo.mHardwareRenderer.getCanvas();
		// HardwareCanvas layerCanvas = null;
		// try {
		// if (mResizeBuffer == null) {
		// mResizeBuffer = mAttachInfo.mHardwareRenderer.createHardwareLayer(
		// mWidth, mHeight, false);
		// } else if (mResizeBuffer.getWidth() != mWidth \|\|
		// mResizeBuffer.getHeight() != mHeight) {
		// mResizeBuffer.resize(mWidth, mHeight);
		// }
		// // TODO: should handle create/resize failure
		// layerCanvas = mResizeBuffer.start(hwRendererCanvas);
		// final int restoreCount = layerCanvas.save();
		//
		// int yoff;
		// final boolean scrolling = mScroller != null
		// && mScroller.computeScrollOffset();
		// if (scrolling) {
		// yoff = mScroller.getCurrY();
		// mScroller.abortAnimation();
		// } else {
		// yoff = mScrollY;
		// }
		//
		// layerCanvas.translate(0, -yoff);
		// if (mTranslator != null) {
		// mTranslator.translateCanvas(layerCanvas);
		// }
		//
		// DisplayList displayList = mView.mDisplayList;
		// if (displayList != null && displayList.isValid()) {
		// layerCanvas.drawDisplayList(displayList, null,
		// DisplayList.FLAG_CLIP_CHILDREN);
		// } else {
		// mView.draw(layerCanvas);
		// }
		//
		// drawAccessibilityFocusedDrawableIfNeeded(layerCanvas);
		//
		// mResizeBufferStartTime = SystemClock.uptimeMillis();
		// mResizeBufferDuration = mView.getResources().getInteger(
		// com.android.internal.R.integer.config_mediumAnimTime);
		// completed = true;
		//
		// layerCanvas.restoreToCount(restoreCount);
		// } catch (OutOfMemoryError e) {
		// Log.w(TAG, "Not enough memory for content change anim buffer", e);
		// } finally {
		// if (mResizeBuffer != null) {
		// mResizeBuffer.end(hwRendererCanvas);
		// if (!completed) {
		// disposeResizeBuffer();
		// }
		// }
		// }
		// }
		if (mWidth > 0 && mHeight > 0 && lp != null &&
		((lp.systemUiVisibility\|lp.subtreeSystemUiVisibility)
		& View.SYSTEM_UI_LAYOUT_FLAGS) == 0 &&
		mSurface != null && mSurface.isValid() &&
		!mAttachInfo.mTurnOffWindowResizeAnim &&
		mAttachInfo.mHardwareRenderer != null &&
		mAttachInfo.mHardwareRenderer.isEnabled() &&
		lp != null && !PixelFormat.formatHasAlpha(lp.format)) {

		disposeResizeBuffer();

		if (mResizeBuffer == null) {
		mResizeBuffer = mAttachInfo.mHardwareRenderer.createDisplayListLayer(
		mWidth, mHeight);
		}
		mResizeBuffer.prepare(mWidth, mHeight, false);
		DisplayList layerDisplayList = mResizeBuffer.startRecording();
		HardwareCanvas layerCanvas = layerDisplayList.start(mWidth, mHeight);
		final int restoreCount = layerCanvas.save();

		int yoff;
		final boolean scrolling = mScroller != null
		&& mScroller.computeScrollOffset();
		if (scrolling) {
		yoff = mScroller.getCurrY();
		mScroller.abortAnimation();
		} else {
		yoff = mScrollY;
		}

		layerCanvas.translate(0, -yoff);
		if (mTranslator != null) {
		mTranslator.translateCanvas(layerCanvas);
		}

		DisplayList displayList = mView.mDisplayList;
		if (displayList != null && displayList.isValid()) {
		layerCanvas.drawDisplayList(displayList, null,
		DisplayList.FLAG_CLIP_CHILDREN);
		} else {
		mView.draw(layerCanvas);
		}

		drawAccessibilityFocusedDrawableIfNeeded(layerCanvas);

		mResizeBufferStartTime = SystemClock.uptimeMillis();
		mResizeBufferDuration = mView.getResources().getInteger(
		com.android.internal.R.integer.config_mediumAnimTime);

		layerCanvas.restoreToCount(restoreCount);
		layerDisplayList.end();
		layerDisplayList.setCaching(true);
		layerDisplayList.setLeftTopRightBottom(0, 0, mWidth, mHeight);
		mTempRect.set(0, 0, mWidth, mHeight);
		mResizeBuffer.endRecording(mTempRect);
		mAttachInfo.mHardwareRenderer.flushLayerUpdates();
		}
		mAttachInfo.mContentInsets.set(mPendingContentInsets);
		if (DEBUG_LAYOUT) Log.v(TAG, "Content insets changing to: "
		+ mAttachInfo.mContentInsets);
		@@ -1581,7 +1563,7 @@ public final class ViewRootImpl implements ViewParent,
		if (mScroller != null) {
		mScroller.abortAnimation();
		}
		// disposeResizeBuffer();
		disposeResizeBuffer();
		// Our surface is gone
		if (mAttachInfo.mHardwareRenderer != null &&
		mAttachInfo.mHardwareRenderer.isEnabled()) {
		@@ -2180,10 +2162,10 @@ public final class ViewRootImpl implements ViewParent,

		@Override
		public void onHardwarePostDraw(HardwareCanvas canvas) {
		// if (mResizeBuffer != null) {
		// mResizePaint.setAlpha(mResizeAlpha);
		// canvas.drawHardwareLayer(mResizeBuffer, 0.0f, mHardwareYOffset, mResizePaint);
		// }
		if (mResizeBuffer != null) {
		mResizePaint.setAlpha(mResizeAlpha);
		canvas.drawHardwareLayer(mResizeBuffer, 0.0f, mHardwareYOffset, mResizePaint);
		}
		// TODO: this
		if (!HardwareRenderer.sUseRenderThread) {
		drawAccessibilityFocusedDrawableIfNeeded(canvas);
		@@ -2342,17 +2324,17 @@ public final class ViewRootImpl implements ViewParent,
		final boolean scalingRequired = attachInfo.mScalingRequired;

		int resizeAlpha = 0;
		// if (mResizeBuffer != null) {
		// long deltaTime = SystemClock.uptimeMillis() - mResizeBufferStartTime;
		// if (deltaTime < mResizeBufferDuration) {
		// float amt = deltaTime/(float) mResizeBufferDuration;
		// amt = mResizeInterpolator.getInterpolation(amt);
		// animating = true;
		// resizeAlpha = 255 - (int)(amt*255);
		// } else {
		// disposeResizeBuffer();
		// }
		// }
		if (mResizeBuffer != null) {
		long deltaTime = SystemClock.uptimeMillis() - mResizeBufferStartTime;
		if (deltaTime < mResizeBufferDuration) {
		float amt = deltaTime/(float) mResizeBufferDuration;
		amt = mResizeInterpolator.getInterpolation(amt);
		animating = true;
		resizeAlpha = 255 - (int)(amt*255);
		} else {
		disposeResizeBuffer();
		}
		}

		final Rect dirty = mDirty;
		if (mSurfaceHolder != null) {
		@@ -2362,7 +2344,7 @@ public final class ViewRootImpl implements ViewParent,
		if (mScroller != null) {
		mScroller.abortAnimation();
		}
		// disposeResizeBuffer();
		disposeResizeBuffer();
		}
		return;
		}
		@@ -2725,7 +2707,7 @@ public final class ViewRootImpl implements ViewParent,
		if (scrollY != mScrollY) {
		if (DEBUG_INPUT_RESIZE) Log.v(TAG, "Pan scroll changed: old="
		+ mScrollY + " , new=" + scrollY);
		if (!immediate /&& mResizeBuffer == null/) {
		if (!immediate && mResizeBuffer == null) {
		if (mScroller == null) {
		mScroller = new Scroller(mView.getContext());
		}