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library / src / main / java / org / distorted / library / DistortedFramebufferList.java @ ed13a5de

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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;
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import java.util.LinkedList;
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import java.util.Iterator;
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/**
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 * List of all DistortedRenderTarget objects currently created by the application.
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 *
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 * The point: we need to be able ot mark RenderTargets for deletion, and delete all marked
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 * objects later at a convenient time. Thus we keep all of them in a LinkedList here.
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 */
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///////////////////////////////////////////////////////////////////////////////////////////////////
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final class DistortedFramebufferList
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  {
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  private static boolean mMarked = false;
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  private static LinkedList<DistortedFramebuffer> mList = new LinkedList<>();
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  static synchronized void add(DistortedFramebuffer drt)
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    {
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    mList.add(drt);
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  static synchronized void markForDeletion()
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    {
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    mMarked = true;
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    }
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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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      {
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      DistortedFramebuffer tmp;
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      Iterator<DistortedFramebuffer> iterator = mList.iterator();
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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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      }
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    }
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  }