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1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- |
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2 * This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 package org.mozilla.gecko.gfx; |
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7 |
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8 import android.opengl.GLES20; |
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9 |
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10 import java.util.ArrayList; |
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11 |
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12 /** Manages a list of dead tiles, so we don't leak resources. */ |
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13 public class TextureReaper { |
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14 private static TextureReaper sSharedInstance; |
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15 private ArrayList<Integer> mDeadTextureIDs; |
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16 |
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17 private TextureReaper() { mDeadTextureIDs = new ArrayList<Integer>(); } |
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18 |
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19 public static TextureReaper get() { |
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20 if (sSharedInstance == null) |
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21 sSharedInstance = new TextureReaper(); |
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22 return sSharedInstance; |
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23 } |
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24 |
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25 public void add(int[] textureIDs) { |
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26 for (int textureID : textureIDs) |
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27 add(textureID); |
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28 } |
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29 |
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30 public void add(int textureID) { |
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31 mDeadTextureIDs.add(textureID); |
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32 } |
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33 |
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34 public void reap() { |
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35 int numTextures = mDeadTextureIDs.size(); |
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36 // Adreno 200 will generate INVALID_VALUE if len == 0 is passed to glDeleteTextures, |
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37 // even though it's not supposed to. |
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38 if (numTextures == 0) |
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39 return; |
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40 |
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41 int[] deadTextureIDs = new int[numTextures]; |
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42 for (int i = 0; i < numTextures; i++) { |
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43 deadTextureIDs[i] = mDeadTextureIDs.get(i); |
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44 } |
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45 mDeadTextureIDs.clear(); |
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46 |
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47 GLES20.glDeleteTextures(deadTextureIDs.length, deadTextureIDs, 0); |
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48 } |
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49 } |
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50 |
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51 |