1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/base/gfx/TextureReaper.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,51 @@
1.4 +/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +package org.mozilla.gecko.gfx;
1.10 +
1.11 +import android.opengl.GLES20;
1.12 +
1.13 +import java.util.ArrayList;
1.14 +
1.15 +/** Manages a list of dead tiles, so we don't leak resources. */
1.16 +public class TextureReaper {
1.17 + private static TextureReaper sSharedInstance;
1.18 + private ArrayList<Integer> mDeadTextureIDs;
1.19 +
1.20 + private TextureReaper() { mDeadTextureIDs = new ArrayList<Integer>(); }
1.21 +
1.22 + public static TextureReaper get() {
1.23 + if (sSharedInstance == null)
1.24 + sSharedInstance = new TextureReaper();
1.25 + return sSharedInstance;
1.26 + }
1.27 +
1.28 + public void add(int[] textureIDs) {
1.29 + for (int textureID : textureIDs)
1.30 + add(textureID);
1.31 + }
1.32 +
1.33 + public void add(int textureID) {
1.34 + mDeadTextureIDs.add(textureID);
1.35 + }
1.36 +
1.37 + public void reap() {
1.38 + int numTextures = mDeadTextureIDs.size();
1.39 + // Adreno 200 will generate INVALID_VALUE if len == 0 is passed to glDeleteTextures,
1.40 + // even though it's not supposed to.
1.41 + if (numTextures == 0)
1.42 + return;
1.43 +
1.44 + int[] deadTextureIDs = new int[numTextures];
1.45 + for (int i = 0; i < numTextures; i++) {
1.46 + deadTextureIDs[i] = mDeadTextureIDs.get(i);
1.47 + }
1.48 + mDeadTextureIDs.clear();
1.49 +
1.50 + GLES20.glDeleteTextures(deadTextureIDs.length, deadTextureIDs, 0);
1.51 + }
1.52 +}
1.53 +
1.54 +
