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d333eb6b
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Leszek Koltunski
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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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6a06a912
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Leszek Koltunski
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package org.distorted.library;
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bd3da5b2
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Leszek Koltunski
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import java.util.LinkedList;
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import java.util.Iterator;
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6a06a912
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Leszek Koltunski
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b329f352
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Leszek Koltunski
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/**
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dedacd82
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Leszek Koltunski
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* List of all DistortedFramebuffer objects currently created by the application.
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bd3da5b2
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Leszek Koltunski
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*
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dedacd82
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Leszek Koltunski
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* The point: we need to be able to mark Framebuffers for deletion, and delete all marked
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* objects later at a convenient time (that's because we can only delete from a thread that
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* holds the OpenGL context so here we provide a framework where one is able to mark for deletion
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* at any place and actual deletion takes place on the next render).
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b329f352
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Leszek Koltunski
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*/
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bd3da5b2
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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ed13a5de
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Leszek Koltunski
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final class DistortedFramebufferList
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6a06a912
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Leszek Koltunski
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{
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bd3da5b2
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Leszek Koltunski
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private static boolean mMarked = false;
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ed13a5de
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Leszek Koltunski
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private static LinkedList<DistortedFramebuffer> mList = new LinkedList<>();
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b329f352
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Leszek Koltunski
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6a06a912
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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bd3da5b2
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Leszek Koltunski
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ed13a5de
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Leszek Koltunski
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static synchronized void add(DistortedFramebuffer drt)
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bd3da5b2
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Leszek Koltunski
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{
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mList.add(drt);
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}
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6a06a912
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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bd3da5b2
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Leszek Koltunski
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static synchronized void markForDeletion()
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6a06a912
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Leszek Koltunski
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{
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bd3da5b2
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Leszek Koltunski
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mMarked = true;
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}
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dedacd82
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static synchronized void release()
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{
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mMarked = false;
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mList.clear();
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}
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bd3da5b2
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// must be called form a thread holding OpenGL Context
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static synchronized void deleteAllMarked()
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{
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if( mMarked )
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6a06a912
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Leszek Koltunski
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{
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ed13a5de
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Leszek Koltunski
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DistortedFramebuffer tmp;
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Iterator<DistortedFramebuffer> iterator = mList.iterator();
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bd3da5b2
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Leszek Koltunski
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while(iterator.hasNext())
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{
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tmp = iterator.next();
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if( tmp.mMarked )
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{
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tmp.release();
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iterator.remove();
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}
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}
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mMarked = false;
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6a06a912
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Leszek Koltunski
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}
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}
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bd3da5b2
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Leszek Koltunski
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}
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