mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
87 lines
3.3 KiB
Java
87 lines
3.3 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
|
|
* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (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.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Mozilla Android code.
|
|
*
|
|
* The Initial Developer of the Original Code is Mozilla Foundation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2011
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Kartikaya Gupta <kgupta@mozilla.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
package org.mozilla.gecko.gfx;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
import android.os.SystemClock;
|
|
import android.util.Log;
|
|
|
|
public class PanningPerfAPI {
|
|
private static final String LOGTAG = "GeckoPanningPerfAPI";
|
|
|
|
// make this large enough to avoid having to resize the frame time
|
|
// list, as that may be expensive and impact the thing we're trying
|
|
// to measure.
|
|
private static final int EXPECTED_FRAME_COUNT = 2048;
|
|
|
|
private static boolean mRecording = false;
|
|
private static List<Long> mFrameTimes;
|
|
private static long mStartTime;
|
|
|
|
public static void startFrameTimeRecording() {
|
|
if (mRecording) {
|
|
Log.e(LOGTAG, "Error: startFrameTimeRecording() called while already recording!");
|
|
return;
|
|
}
|
|
mRecording = true;
|
|
if (mFrameTimes == null) {
|
|
mFrameTimes = new ArrayList<Long>(EXPECTED_FRAME_COUNT);
|
|
} else {
|
|
mFrameTimes.clear();
|
|
}
|
|
mStartTime = SystemClock.uptimeMillis();
|
|
}
|
|
|
|
public static List<Long> stopFrameTimeRecording() {
|
|
if (!mRecording) {
|
|
Log.e(LOGTAG, "Error: stopFrameTimeRecording() called when not recording!");
|
|
return null;
|
|
}
|
|
mRecording = false;
|
|
return mFrameTimes;
|
|
}
|
|
|
|
public static void recordFrameTime() {
|
|
// this will be called often, so try to make it as quick as possible
|
|
if (mRecording) {
|
|
mFrameTimes.add(SystemClock.uptimeMillis() - mStartTime);
|
|
}
|
|
}
|
|
}
|