Only copy paths, paints and shaders when we need to. (96ebc6b5) · Commits · e / os / android_frameworks_base

libs/hwui/DisplayListRenderer.h

+6 −3

Original line number	Diff line number	Diff line
		@@ -462,7 +462,8 @@ private:
		SkPath* pathCopy = mPathMap.valueFor(path);
		if (pathCopy == NULL \|\| pathCopy->getGenerationID() != path->getGenerationID()) {
		pathCopy = new SkPath(*path);
		mPathMap.add(path, pathCopy);
		// replaceValueFor() performs an add if the entry doesn't exist
		mPathMap.replaceValueFor(path, pathCopy);
		mPaths.add(pathCopy);
		}

		@@ -478,7 +479,8 @@ private:
		SkPaint* paintCopy = mPaintMap.valueFor(paint);
		if (paintCopy == NULL \|\| paintCopy->getGenerationID() != paint->getGenerationID()) {
		paintCopy = new SkPaint(*paint);
		mPaintMap.add(paint, paintCopy);
		// replaceValueFor() performs an add if the entry doesn't exist
		mPaintMap.replaceValueFor(paint, paintCopy);
		mPaints.add(paintCopy);
		}

		@@ -520,7 +522,8 @@ private:
		// TODO: We also need to handle generation ID changes in compose shaders
		if (shaderCopy == NULL \|\| shaderCopy->getGenerationId() != shader->getGenerationId()) {
		shaderCopy = shader->copy();
		mShaderMap.add(shader, shaderCopy);
		// replaceValueFor() performs an add if the entry doesn't exist
		mShaderMap.replaceValueFor(shader, shaderCopy);
		mShaders.add(shaderCopy);
		Caches::getInstance().resourceCache.incrementRefcount(shaderCopy);
		}

tests/HwAccelerationTest/AndroidManifest.xml

+9 −0

Original line number	Diff line number	Diff line
		@@ -567,6 +567,15 @@
		</intent-filter>
		</activity>

		<activity
		android:name="PathsCacheActivity"
		android:label="_PathsCache">
		<intent-filter>
		<action android:name="android.intent.action.MAIN" />
		<category android:name="android.intent.category.LAUNCHER" />
		</intent-filter>
		</activity>

		<activity
		android:name="PointsActivity"
		android:label="_Points">

tests/HwAccelerationTest/src/com/android/test/hwui/PathsCacheActivity.java

0 → 100644

+111 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2010 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 com.android.test.hwui;

		import android.app.Activity;
		import android.content.Context;
		import android.graphics.Canvas;
		import android.graphics.Paint;
		import android.graphics.Path;
		import android.os.Bundle;
		import android.util.Log;
		import android.view.View;

		import java.util.ArrayList;
		import java.util.Random;

		@SuppressWarnings({"UnusedDeclaration"})
		public class PathsCacheActivity extends Activity {
		private Path mPath;

		private final Random mRandom = new Random();
		private final ArrayList<Path> mPathList = new ArrayList<Path>();

		@Override
		protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		mPath = makePath();

		final PathsView view = new PathsView(this);
		setContentView(view);
		}

		private Path makePath() {
		Path path = new Path();
		buildPath(path);
		return path;
		}

		private void buildPath(Path path) {
		path.moveTo(0.0f, 0.0f);
		path.cubicTo(0.0f, 0.0f, 100.0f, 150.0f, 100.0f, 200.0f);
		path.cubicTo(100.0f, 200.0f, 50.0f, 300.0f, -80.0f, 200.0f);
		path.cubicTo(-80.0f, 200.0f, 100.0f, 200.0f, 200.0f, 0.0f);
		}

		public class PathsView extends View {
		private final Paint mMediumPaint;

		public PathsView(Context c) {
		super(c);

		mMediumPaint = new Paint();
		mMediumPaint.setAntiAlias(true);
		mMediumPaint.setColor(0xe00000ff);
		mMediumPaint.setStrokeWidth(10.0f);
		mMediumPaint.setStyle(Paint.Style.STROKE);
		}

		@Override
		protected void onDraw(Canvas canvas) {
		super.onDraw(canvas);

		Log.d("OpenGLRenderer", "Start frame");

		canvas.drawARGB(255, 255, 255, 255);

		canvas.save();
		canvas.translate(550.0f, 60.0f);
		canvas.drawPath(mPath, mMediumPaint);

		mPath.reset();
		buildPath(mPath);

		canvas.translate(30.0f, 30.0f);
		canvas.drawPath(mPath, mMediumPaint);
		canvas.drawPath(mPath, mMediumPaint);

		canvas.restore();

		// Path path = makePath();
		// int r = mRandom.nextInt(10);
		// if (r == 5 \|\| r == 3) {
		// mPathList.add(path);
		// } else if (r == 9) {
		// mPathList.clear();
		// }
		//
		// canvas.save();
		// canvas.translate(550.0f + mRandom.nextInt(50), 60.0f + mRandom.nextInt(50));
		// canvas.drawPath(path, mMediumPaint);
		// canvas.restore();
		//
		invalidate();
		}
		}
		}