gecko/mobile/android/base/gfx/TextureReaper.java

76 lines
2.8 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) 2009-2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Patrick Walton <pcwalton@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 javax.microedition.khronos.opengles.GL10;
import java.util.ArrayList;
/** Manages a list of dead tiles, so we don't leak resources. */
public class TextureReaper {
private static TextureReaper sSharedInstance;
private ArrayList<Integer> mDeadTextureIDs;
private TextureReaper() { mDeadTextureIDs = new ArrayList<Integer>(); }
public static TextureReaper get() {
if (sSharedInstance == null)
sSharedInstance = new TextureReaper();
return sSharedInstance;
}
public void add(int[] textureIDs) {
for (int textureID : textureIDs)
add(textureID);
}
public void add(int textureID) {
mDeadTextureIDs.add(textureID);
}
public void reap(GL10 gl) {
int[] deadTextureIDs = new int[mDeadTextureIDs.size()];
for (int i = 0; i < deadTextureIDs.length; i++)
deadTextureIDs[i] = mDeadTextureIDs.get(i);
mDeadTextureIDs.clear();
gl.glDeleteTextures(deadTextureIDs.length, deadTextureIDs, 0);
}
}