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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 Leszek Koltunski //
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// //
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// This file is part of Distorted. //
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// //
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// Distorted is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// Distorted is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.library.main;
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import android.app.ActivityManager;
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import android.content.Context;
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import android.content.pm.ConfigurationInfo;
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import android.content.res.Resources;
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import android.opengl.GLES31;
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import org.distorted.library.effect.Effect;
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import org.distorted.library.effect.PostprocessEffect;
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import org.distorted.library.message.EffectMessageSender;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* A singleton class used to control various global settings.
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*/
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public class Distorted
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{
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public static final int GLSL = 310;
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public static final String GLSL_VERSION= "#version 310 es\n";
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/**
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* When creating an instance of a DistortedTexture from another instance, clone the Bitmap that's
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* backing up our DistortedTexture.
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* <p>
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* This way we can have two DistortedTextures, both backed up by the same Bitmap, to which we can
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* apply different effects. Used in the copy constructor.
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*/
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public static final int CLONE_SURFACE = 0x1;
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/**
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* When creating an instance of a DistortedEffects from another instance, clone the Matrix Effects.
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* <p>
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* This way we can have two different DistortedEffects sharing the MATRIX queue.
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*/
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public static final int CLONE_MATRIX = 0x2;
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/**
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* When creating an instance of a DistortedEffects from another instance, clone the Vertex Effects.
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* <p>
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* This way we can have two different DistortedEffects sharing the VERTEX queue.
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*/
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public static final int CLONE_VERTEX = 0x4;
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/**
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* When creating an instance of a DistortedEffects from another instance, clone the Fragment Effects.
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* <p>
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* This way we can have two different DistortedEffects sharing the FRAGMENT queue.
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*/
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public static final int CLONE_FRAGMENT= 0x8;
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/**
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* When creating an instance of a DistortedEffects from another instance, clone the PostProcess Effects.
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* <p>
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* This way we can have two different DistortedEffects sharing the POSTPROCESS queue.
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*/
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public static final int CLONE_POSTPROCESS= 0x10;
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/**
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* When creating an instance of a DistortedNode from another instance, clone the children Nodes.
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* <p>
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* This is mainly useful for creating many similar sub-trees and rendering then at different places
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* on the screen with (optionally) different Effects.
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*/
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public static final int CLONE_CHILDREN= 0x20;
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/**
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* Work around bugs in ARM Mali driver by, instead to a single FBO, rendering to a circular queue
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* of FBO_QUEUE_SIZE FBOs. (otherwise we sometimes get a 'full pipeline flush' and the end result
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* might be missing part of the Objects)
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*
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* This bug only exists on Mali driver r12.
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*
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* https://community.arm.com/graphics/f/discussions/10285/opengl-es-3-1-on-mali-t880-flashes
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*/
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static final int FBO_QUEUE_SIZE = 4;
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/**
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* Number of Main program variants (ATM 3: MAIN, MAIN OIT, PREPROCESS)
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*/
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static final int MAIN_VARIANTS = 3;
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private static boolean mInitialized=false;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// private: hide this from Javadoc
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private Distorted()
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{
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// ARM Mali driver r12 has problems when we keep swapping many FBOs (fixed in r22)
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// PowerVR GE8100 compiler fails to compile OIT programs.
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private static void detectBuggyDrivers()
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{
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String vendor = GLES31.glGetString(GLES31.GL_VENDOR);
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String version = GLES31.glGetString(GLES31.GL_VERSION);
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String renderer= GLES31.glGetString(GLES31.GL_RENDERER);
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/*
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android.util.Log.e("DISTORTED", "GLSL Version "+GLES31.glGetString(GLES31.GL_SHADING_LANGUAGE_VERSION));
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android.util.Log.e("DISTORTED", "GL Version " +GLES31.glGetString(GLES31.GL_VERSION));
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android.util.Log.e("DISTORTED", "GL Vendor " +GLES31.glGetString(GLES31.GL_VENDOR));
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android.util.Log.e("DISTORTED", "GL Renderer " +GLES31.glGetString(GLES31.GL_RENDERER));
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*/
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if( vendor.contains("ARM") )
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{
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if( version.contains("r12") )
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{
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android.util.Log.e("DISTORTED", "You are running this on a ARM Mali driver r12.\nThis is a buggy driver, please update to r22. Problems with flashing expected.");
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}
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}
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else if( vendor.contains("Imagination") )
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{
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if( renderer.contains("GE8") )
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{
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android.util.Log.e("DISTORTED", "You are running this on a PowerVR GE8XXX.\nDue to a buggy compiler OIT rendering will not work");
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Have we called onCreate yet, ie have we initialized the library?
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* @return <code>true</code> if the library is initialized and ready for action.
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*/
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public static boolean isInitialized()
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{
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return mInitialized;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* When OpenGL context gets created, call this method so that the library can initialise its internal data structures.
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* I.e. best called from GLSurfaceView.onCreate().
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* <p>
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* Needs to be called from a thread holding the OpenGL context.
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*
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* @param context Context of the App using the library - used to open up Resources and read Shader code.
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*/
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public static void onCreate(final Context context) throws Exception
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{
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final ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
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final ConfigurationInfo configurationInfo = activityManager.getDeviceConfigurationInfo();
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android.util.Log.e("DISTORTED", "Using OpenGL ES "+configurationInfo.getGlEsVersion());
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mInitialized = true;
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detectBuggyDrivers();
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EffectMessageSender.startSending();
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final Resources resources = context.getResources();
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Exception exception=null;
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try
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{
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DistortedEffects.createPrograms(resources);
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}
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catch(Exception ex)
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{
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exception = ex;
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}
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try
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{
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DistortedEffects.createProgramsOIT(resources);
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}
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catch(Exception ex)
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{
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exception = ex;
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}
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try
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{
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EffectQueuePostprocess.createPrograms(resources);
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}
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catch(Exception ex)
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{
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exception = ex;
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}
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try
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{
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PostprocessEffect.createPrograms();
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}
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catch(Exception ex)
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{
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exception = ex;
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}
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if( exception!=null)
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{
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throw exception;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Call this so that the Library can release the OpenGL related data that needs to be recreated.
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* Must be called from Activity.onPause().
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*/
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public static void onPause()
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{
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DistortedObject.onPause();
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DistortedEffects.onPause();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Call this so that the Library can release its internal data structures.
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* Must be called from Activity.onDestroy().
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*/
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public static void onDestroy()
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{
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DistortedObject.onDestroy();
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DistortedNodeData.onDestroy();
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DistortedEffects.onDestroy();
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DistortedMaster.onDestroy();
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DistortedOutputSurface.onDestroy();
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EffectQueue.onDestroy();
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Effect.onDestroy();
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EffectMessageSender.stopSending();
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mInitialized = false;
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}
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}
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