2011-12-01 11:11:10 -08:00
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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Android code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Kartikaya Gupta <kgupta@mozilla.com>
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2012-02-02 01:02:32 -08:00
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* Chris Lord <chrislord.net@gmail.com>
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2011-12-01 11:11:10 -08:00
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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package org.mozilla.gecko.gfx;
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import java.util.ArrayList;
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import java.util.List;
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import android.os.SystemClock;
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import android.util.Log;
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public class PanningPerfAPI {
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private static final String LOGTAG = "GeckoPanningPerfAPI";
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// make this large enough to avoid having to resize the frame time
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// list, as that may be expensive and impact the thing we're trying
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// to measure.
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private static final int EXPECTED_FRAME_COUNT = 2048;
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private static boolean mRecordingFrames = false;
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private static List<Long> mFrameTimes;
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private static long mFrameStartTime;
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private static boolean mRecordingCheckerboard = false;
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private static List<Float> mCheckerboardAmounts;
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private static long mCheckerboardStartTime;
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public static void startFrameTimeRecording() {
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if (mRecordingFrames) {
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Log.e(LOGTAG, "Error: startFrameTimeRecording() called while already recording!");
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return;
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}
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mRecordingFrames = true;
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if (mFrameTimes == null) {
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mFrameTimes = new ArrayList<Long>(EXPECTED_FRAME_COUNT);
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} else {
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mFrameTimes.clear();
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}
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mFrameStartTime = SystemClock.uptimeMillis();
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}
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public static List<Long> stopFrameTimeRecording() {
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if (!mRecordingFrames) {
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Log.e(LOGTAG, "Error: stopFrameTimeRecording() called when not recording!");
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return null;
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}
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mRecordingFrames = false;
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return mFrameTimes;
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}
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public static void recordFrameTime() {
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// this will be called often, so try to make it as quick as possible
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if (mRecordingFrames) {
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mFrameTimes.add(SystemClock.uptimeMillis() - mFrameStartTime);
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}
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}
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public static boolean isRecordingCheckerboard() {
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return mRecordingCheckerboard;
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}
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public static void startCheckerboardRecording() {
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if (mRecordingCheckerboard) {
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Log.e(LOGTAG, "Error: startCheckerboardRecording() called while already recording!");
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return;
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}
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mRecordingCheckerboard = true;
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if (mCheckerboardAmounts == null) {
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mCheckerboardAmounts = new ArrayList<Float>(EXPECTED_FRAME_COUNT);
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} else {
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mCheckerboardAmounts.clear();
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}
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mCheckerboardStartTime = SystemClock.uptimeMillis();
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}
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public static List<Float> stopCheckerboardRecording() {
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if (!mRecordingCheckerboard) {
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Log.e(LOGTAG, "Error: stopCheckerboardRecording() called when not recording!");
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return null;
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}
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mRecordingCheckerboard = false;
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return mCheckerboardAmounts;
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}
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public static void recordCheckerboard(float amount) {
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// this will be called often, so try to make it as quick as possible
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if (mRecordingCheckerboard) {
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mCheckerboardAmounts.add(amount);
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2011-12-01 11:11:10 -08:00
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}
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}
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}
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