gecko/mobile/android/base/gfx/PanningPerfAPI.java
Chris Lord 926982757d Bug 717349 - Add optional render and checkerboarding profiling. r=kats
This adds checkerboard profiling to LayerRenderer, that can be enabled either
by enabling debug logging of the "GeckoLayerRendererProf" tag, or via
reflection using PanningPerfAPI.
2012-02-02 09:02:32 +00:00

126 lines
4.6 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>
* Chris Lord <chrislord.net@gmail.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 mRecordingFrames = false;
private static List<Long> mFrameTimes;
private static long mFrameStartTime;
private static boolean mRecordingCheckerboard = false;
private static List<Float> mCheckerboardAmounts;
private static long mCheckerboardStartTime;
public static void startFrameTimeRecording() {
if (mRecordingFrames) {
Log.e(LOGTAG, "Error: startFrameTimeRecording() called while already recording!");
return;
}
mRecordingFrames = true;
if (mFrameTimes == null) {
mFrameTimes = new ArrayList<Long>(EXPECTED_FRAME_COUNT);
} else {
mFrameTimes.clear();
}
mFrameStartTime = SystemClock.uptimeMillis();
}
public static List<Long> stopFrameTimeRecording() {
if (!mRecordingFrames) {
Log.e(LOGTAG, "Error: stopFrameTimeRecording() called when not recording!");
return null;
}
mRecordingFrames = false;
return mFrameTimes;
}
public static void recordFrameTime() {
// this will be called often, so try to make it as quick as possible
if (mRecordingFrames) {
mFrameTimes.add(SystemClock.uptimeMillis() - mFrameStartTime);
}
}
public static boolean isRecordingCheckerboard() {
return mRecordingCheckerboard;
}
public static void startCheckerboardRecording() {
if (mRecordingCheckerboard) {
Log.e(LOGTAG, "Error: startCheckerboardRecording() called while already recording!");
return;
}
mRecordingCheckerboard = true;
if (mCheckerboardAmounts == null) {
mCheckerboardAmounts = new ArrayList<Float>(EXPECTED_FRAME_COUNT);
} else {
mCheckerboardAmounts.clear();
}
mCheckerboardStartTime = SystemClock.uptimeMillis();
}
public static List<Float> stopCheckerboardRecording() {
if (!mRecordingCheckerboard) {
Log.e(LOGTAG, "Error: stopCheckerboardRecording() called when not recording!");
return null;
}
mRecordingCheckerboard = false;
return mCheckerboardAmounts;
}
public static void recordCheckerboard(float amount) {
// this will be called often, so try to make it as quick as possible
if (mRecordingCheckerboard) {
mCheckerboardAmounts.add(amount);
}
}
}