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library / src / main / java / org / distorted / library / main / DistortedEffects.java @ 8e88389e

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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.content.res.Resources;
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import android.opengl.GLES31;
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import android.util.Log;
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import org.distorted.library.R;
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import org.distorted.library.effect.Effect;
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import org.distorted.library.effect.EffectName;
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import org.distorted.library.effect.EffectType;
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import org.distorted.library.effect.FragmentEffect;
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import org.distorted.library.effect.VertexEffect;
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import org.distorted.library.mesh.MeshBase;
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import org.distorted.library.message.EffectListener;
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import org.distorted.library.program.DistortedProgram;
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import java.io.InputStream;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.nio.FloatBuffer;
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import java.nio.IntBuffer;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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 * Class containing Matrix, Vertex, Fragment and Postprocessing effect queues.
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 * <p>
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 * The queues hold actual effects to be applied to a given (InputSurface,MeshBase) combo.
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 */
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public class DistortedEffects
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  {
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  /// MAIN PROGRAM ///
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  private static DistortedProgram mMainProgram;
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  private static int mMainTextureH;
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  /// BLIT PROGRAM ///
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  private static DistortedProgram mBlitProgram;
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  private static int mBlitTextureH;
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  private static int mBlitDepthH;
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  private static final FloatBuffer mQuadPositions;
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  static
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    {
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    float[] positionData= { -0.5f, -0.5f,  -0.5f, 0.5f,  0.5f,-0.5f,  0.5f, 0.5f };
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    mQuadPositions = ByteBuffer.allocateDirect(32).order(ByteOrder.nativeOrder()).asFloatBuffer();
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    mQuadPositions.put(positionData).position(0);
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    }
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  /// BLIT DEPTH PROGRAM ///
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  private static DistortedProgram mBlitDepthProgram;
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  private static int mBlitDepthTextureH;
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  private static int mBlitDepthDepthTextureH;
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  private static int mBlitDepthDepthH;
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  private static int mBlitDepthTexCorrH;
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  /// NORMAL PROGRAM /////
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  private static DistortedProgram mNormalProgram;
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  private static int mNormalMVPMatrixH;
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  /// OIT SSBO BUFFER ///
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  private static int[] mLinkedListSSBO = new int[1];
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  private static int[] mAtomicCounter = new int[Distorted.FBO_QUEUE_SIZE];
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  private static int   mCurrBuffer;
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  static
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    {
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    mLinkedListSSBO[0]= -1;
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    mCurrBuffer       =  0;
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    for(int i=0; i<Distorted.FBO_QUEUE_SIZE; i++)  mAtomicCounter[i] = -1;
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    }
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  ///////////////////////////////////////////////////////////////
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  // meaning: allocate 1.0 screenful of places for transparent
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  // fragments in the SSBO backing up the OIT render method.
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  private static float mBufferSize=1.0f;
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  /// OIT CLEAR PROGRAM ///
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  private static DistortedProgram mOITClearProgram;
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  private static int mOITClearDepthH;
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  private static int mOITClearTexCorrH;
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  private static int mOITClearSizeH;
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  /// OIT BUILD PROGRAM ///
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  private static DistortedProgram mOITBuildProgram;
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  private static int mOITBuildTextureH;
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  private static int mOITBuildDepthTextureH;
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  private static int mOITBuildDepthH;
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  private static int mOITBuildTexCorrH;
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  private static int mOITBuildSizeH;
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  private static int mOITBuildNumRecordsH;
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  /// OIT COLLAPSE PROGRAM ///
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  private static DistortedProgram mOITCollapseProgram;
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  private static int mOITCollapseDepthTextureH;
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  private static int mOITCollapseDepthH;
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  private static int mOITCollapseTexCorrH;
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  private static int mOITCollapseSizeH;
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  /// OIT RENDER PROGRAM ///
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  private static DistortedProgram mOITRenderProgram;
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  private static int mOITRenderDepthH;
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  private static int mOITRenderTexCorrH;
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  private static int mOITRenderSizeH;
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  /// MAIN OIT PROGRAM ///
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  private static DistortedProgram mMainOITProgram;
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  private static int mMainOITTextureH;
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  private static int mMainOITSizeH;
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  private static int mMainOITNumRecordsH;
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  /// END PROGRAMS //////
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  private static long mNextID =0;
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  private long mID;
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  private EffectQueueMatrix mM;
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  private EffectQueueFragment mF;
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  private EffectQueueVertex mV;
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  private EffectQueuePostprocess mP;
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  private boolean matrixCloned, vertexCloned, fragmentCloned, postprocessCloned;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  static void createPrograms(Resources resources)
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    {
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    // MAIN PROGRAM ////////////////////////////////////
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    final InputStream mainVertStream = resources.openRawResource(R.raw.main_vertex_shader);
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    final InputStream mainFragStream = resources.openRawResource(R.raw.main_fragment_shader);
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    int numF = FragmentEffect.getNumEnabled();
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    int numV = VertexEffect.getNumEnabled();
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    String mainVertHeader= Distorted.GLSL_VERSION + ("#define NUM_VERTEX "   + ( numV>0 ? getMax(EffectType.VERTEX  ) : 0 ) + "\n");
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    String mainFragHeader= Distorted.GLSL_VERSION + ("#define NUM_FRAGMENT " + ( numF>0 ? getMax(EffectType.FRAGMENT) : 0 ) + "\n");
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    String enabledEffectV= VertexEffect.getGLSL();
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    String enabledEffectF= FragmentEffect.getGLSL();
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    //android.util.Log.e("Effects", "vertHeader= "+mainVertHeader);
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    //android.util.Log.e("Effects", "fragHeader= "+mainFragHeader);
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    //android.util.Log.e("Effects", "enabledV= "+enabledEffectV);
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    //android.util.Log.e("Effects", "enabledF= "+enabledEffectF);
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    String[] feedback = { "v_Position", "v_endPosition" };
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    try
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      {
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      mMainProgram = new DistortedProgram(mainVertStream, mainFragStream, mainVertHeader, mainFragHeader,
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                                          enabledEffectV, enabledEffectF, Distorted.GLSL, feedback);
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      }
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    catch(Exception e)
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      {
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      Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile MAIN program: "+e.getMessage());
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      throw new RuntimeException(e.getMessage());
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      }
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    int mainProgramH = mMainProgram.getProgramHandle();
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    EffectQueueFragment.getUniforms(mainProgramH,0);
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    EffectQueueVertex.getUniforms(mainProgramH,0);
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    EffectQueueMatrix.getUniforms(mainProgramH,0);
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    mMainTextureH= GLES31.glGetUniformLocation( mainProgramH, "u_Texture");
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    // BLIT PROGRAM ////////////////////////////////////
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    final InputStream blitVertStream = resources.openRawResource(R.raw.blit_vertex_shader);
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    final InputStream blitFragStream = resources.openRawResource(R.raw.blit_fragment_shader);
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    try
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      {
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      mBlitProgram = new DistortedProgram(blitVertStream,blitFragStream,Distorted.GLSL_VERSION,Distorted.GLSL_VERSION, Distorted.GLSL);
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      }
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    catch(Exception e)
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      {
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      Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile BLIT program: "+e.getMessage());
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      throw new RuntimeException(e.getMessage());
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      }
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    int blitProgramH = mBlitProgram.getProgramHandle();
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    mBlitTextureH  = GLES31.glGetUniformLocation( blitProgramH, "u_Texture");
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    mBlitDepthH    = GLES31.glGetUniformLocation( blitProgramH, "u_Depth");
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    // BLIT DEPTH PROGRAM ////////////////////////////////////
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    final InputStream blitDepthVertStream = resources.openRawResource(R.raw.blit_depth_vertex_shader);
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    final InputStream blitDepthFragStream = resources.openRawResource(R.raw.blit_depth_fragment_shader);
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    try
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      {
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      mBlitDepthProgram = new DistortedProgram(blitDepthVertStream,blitDepthFragStream,Distorted.GLSL_VERSION,Distorted.GLSL_VERSION, Distorted.GLSL);
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      }
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    catch(Exception e)
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      {
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      Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile BLIT DEPTH program: "+e.getMessage());
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      throw new RuntimeException(e.getMessage());
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      }
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    int blitDepthProgramH   = mBlitDepthProgram.getProgramHandle();
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    mBlitDepthTextureH      = GLES31.glGetUniformLocation( blitDepthProgramH, "u_Texture");
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    mBlitDepthDepthTextureH = GLES31.glGetUniformLocation( blitDepthProgramH, "u_DepthTexture");
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    mBlitDepthDepthH        = GLES31.glGetUniformLocation( blitDepthProgramH, "u_Depth");
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    mBlitDepthTexCorrH      = GLES31.glGetUniformLocation( blitDepthProgramH, "u_TexCorr");
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    // NORMAL PROGRAM //////////////////////////////////////
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    final InputStream normalVertexStream   = resources.openRawResource(R.raw.normal_vertex_shader);
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    final InputStream normalFragmentStream = resources.openRawResource(R.raw.normal_fragment_shader);
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    try
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      {
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      mNormalProgram = new DistortedProgram(normalVertexStream,normalFragmentStream, Distorted.GLSL_VERSION, Distorted.GLSL_VERSION, Distorted.GLSL);
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      }
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    catch(Exception e)
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      {
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      Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile NORMAL program: "+e.getMessage());
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      throw new RuntimeException(e.getMessage());
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      }
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    int normalProgramH = mNormalProgram.getProgramHandle();
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    mNormalMVPMatrixH  = GLES31.glGetUniformLocation( normalProgramH, "u_MVPMatrix");
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  static void createProgramsOIT(Resources resources)
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    {
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    // MAIN OIT PROGRAM ////////////////////////////////
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    final InputStream mainVertStream = resources.openRawResource(R.raw.main_vertex_shader);
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    final InputStream mainFragStream = resources.openRawResource(R.raw.main_fragment_shader);
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    int numF = FragmentEffect.getNumEnabled();
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    int numV = VertexEffect.getNumEnabled();
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    String mainVertHeader= Distorted.GLSL_VERSION +
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                           ("#define NUM_VERTEX "   + ( numV>0 ? getMax(EffectType.VERTEX  ) : 0 ) + "\n") +
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                           ("#define OIT\n");
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    String mainFragHeader= Distorted.GLSL_VERSION +
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                           ("#define NUM_FRAGMENT " + ( numF>0 ? getMax(EffectType.FRAGMENT) : 0 ) + "\n") +
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                           ("#define OIT\n");
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    String enabledEffectV= VertexEffect.getGLSL();
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    String enabledEffectF= FragmentEffect.getGLSL();
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    try
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      {
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      mMainOITProgram = new DistortedProgram(mainVertStream, mainFragStream, mainVertHeader, mainFragHeader,
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                                             enabledEffectV, enabledEffectF, Distorted.GLSL, null);
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      }
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    catch(Exception e)
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      {
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      Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile MAIN OIT program: "+e.getMessage());
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      throw new RuntimeException(e.getMessage());
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      }
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    int mainOITProgramH = mMainOITProgram.getProgramHandle();
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    EffectQueueFragment.getUniforms(mainOITProgramH,1);
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    EffectQueueVertex.getUniforms(mainOITProgramH,1);
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    EffectQueueMatrix.getUniforms(mainOITProgramH,1);
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    mMainOITTextureH    = GLES31.glGetUniformLocation( mainOITProgramH, "u_Texture");
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    mMainOITSizeH       = GLES31.glGetUniformLocation( mainOITProgramH, "u_Size");
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    mMainOITNumRecordsH = GLES31.glGetUniformLocation( mainOITProgramH, "u_numRecords");
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    // OIT CLEAR PROGRAM ////////////////////////////////////
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    final InputStream oitClearVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
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    final InputStream oitClearFragStream = resources.openRawResource(R.raw.oit_clear_fragment_shader);
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    try
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      {
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      mOITClearProgram = new DistortedProgram(oitClearVertStream,oitClearFragStream,Distorted.GLSL_VERSION,Distorted.GLSL_VERSION, Distorted.GLSL);
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      }
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    catch(Exception e)
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      {
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      Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT CLEAR program: "+e.getMessage());
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      throw new RuntimeException(e.getMessage());
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      }
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    int oitClearProgramH   = mOITClearProgram.getProgramHandle();
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    mOITClearDepthH        = GLES31.glGetUniformLocation( oitClearProgramH, "u_Depth");
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    mOITClearTexCorrH      = GLES31.glGetUniformLocation( oitClearProgramH, "u_TexCorr");
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    mOITClearSizeH         = GLES31.glGetUniformLocation( oitClearProgramH, "u_Size");
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    // OIT BUILD PROGRAM ////////////////////////////////////
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    final InputStream oitBuildVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
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    final InputStream oitBuildFragStream = resources.openRawResource(R.raw.oit_build_fragment_shader);
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    try
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      {
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      mOITBuildProgram = new DistortedProgram(oitBuildVertStream,oitBuildFragStream,Distorted.GLSL_VERSION,Distorted.GLSL_VERSION, Distorted.GLSL);
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      }
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    catch(Exception e)
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      {
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      Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT BUILD program: "+e.getMessage());
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      throw new RuntimeException(e.getMessage());
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      }
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    int oitBuildProgramH   = mOITBuildProgram.getProgramHandle();
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    mOITBuildTextureH      = GLES31.glGetUniformLocation( oitBuildProgramH, "u_Texture");
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    mOITBuildDepthTextureH = GLES31.glGetUniformLocation( oitBuildProgramH, "u_DepthTexture");
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    mOITBuildDepthH        = GLES31.glGetUniformLocation( oitBuildProgramH, "u_Depth");
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    mOITBuildTexCorrH      = GLES31.glGetUniformLocation( oitBuildProgramH, "u_TexCorr");
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    mOITBuildSizeH         = GLES31.glGetUniformLocation( oitBuildProgramH, "u_Size");
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    mOITBuildNumRecordsH   = GLES31.glGetUniformLocation( oitBuildProgramH, "u_numRecords");
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    // OIT COLLAPSE PROGRAM ///////////////////////////
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    final InputStream oitCollapseVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
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    final InputStream oitCollapseFragStream = resources.openRawResource(R.raw.oit_collapse_fragment_shader);
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    try
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      {
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      mOITCollapseProgram = new DistortedProgram(oitCollapseVertStream,oitCollapseFragStream,Distorted.GLSL_VERSION,Distorted.GLSL_VERSION, Distorted.GLSL);
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      }
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    catch(Exception e)
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      {
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      Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT COLLAPSE program: "+e.getMessage());
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      throw new RuntimeException(e.getMessage());
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      }
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    int oitCollapseProgramH   = mOITCollapseProgram.getProgramHandle();
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    mOITCollapseDepthTextureH = GLES31.glGetUniformLocation( oitCollapseProgramH, "u_DepthTexture");
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    mOITCollapseDepthH        = GLES31.glGetUniformLocation( oitCollapseProgramH, "u_Depth");
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    mOITCollapseTexCorrH      = GLES31.glGetUniformLocation( oitCollapseProgramH, "u_TexCorr");
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    mOITCollapseSizeH         = GLES31.glGetUniformLocation( oitCollapseProgramH, "u_Size");
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    // OIT RENDER PROGRAM ///////////////////////////
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    final InputStream oitRenderVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
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    final InputStream oitRenderFragStream = resources.openRawResource(R.raw.oit_render_fragment_shader);
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    try
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      {
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      mOITRenderProgram = new DistortedProgram(oitRenderVertStream,oitRenderFragStream,Distorted.GLSL_VERSION,Distorted.GLSL_VERSION, Distorted.GLSL);
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      }
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    catch(Exception e)
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      {
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      Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT RENDER program: "+e.getMessage());
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      throw new RuntimeException(e.getMessage());
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      }
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    int oitRenderProgramH   = mOITRenderProgram.getProgramHandle();
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    mOITRenderDepthH        = GLES31.glGetUniformLocation( oitRenderProgramH, "u_Depth");
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    mOITRenderTexCorrH      = GLES31.glGetUniformLocation( oitRenderProgramH, "u_TexCorr");
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    mOITRenderSizeH         = GLES31.glGetUniformLocation( oitRenderProgramH, "u_Size");
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private void initializeEffectLists(DistortedEffects d, int flags)
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    {
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    if( (flags & Distorted.CLONE_MATRIX) != 0 )
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      {
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      mM = d.mM;
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      matrixCloned = true;
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      }
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    else
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      {
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      mM = new EffectQueueMatrix(mID);
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      matrixCloned = false;
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      }
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    if( (flags & Distorted.CLONE_VERTEX) != 0 )
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      {
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      mV = d.mV;
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      vertexCloned = true;
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      }
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    else
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      {
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      mV = new EffectQueueVertex(mID);
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      vertexCloned = false;
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      }
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    if( (flags & Distorted.CLONE_FRAGMENT) != 0 )
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      {
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      mF = d.mF;
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      fragmentCloned = true;
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      }
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    else
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      {
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      mF = new EffectQueueFragment(mID);
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      fragmentCloned = false;
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      }
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    if( (flags & Distorted.CLONE_POSTPROCESS) != 0 )
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      {
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      mP = d.mP;
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      postprocessCloned = true;
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      }
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    else
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      {
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      mP = new EffectQueuePostprocess(mID);
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      postprocessCloned = false;
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      }
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  EffectQueuePostprocess getPostprocess()
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    {
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    return mP;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  void newNode(DistortedNode node)
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    {
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    mM.newNode(node);
419
    mF.newNode(node);
420
    mV.newNode(node);
421
    mP.newNode(node);
422
    }
423
424 6a06a912 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
425 c90b9e01 Leszek Koltunski
426 715e7726 Leszek Koltunski
  private void displayNormals(MeshBase mesh)
427 c90b9e01 Leszek Koltunski
    {
428 6c00149d Leszek Koltunski
    int num = mesh.getNumVertices();
429 da681e7e Leszek Koltunski
    int tfo = mesh.getTFO();
430 6c00149d Leszek Koltunski
431 da681e7e Leszek Koltunski
    GLES31.glBindBufferBase(GLES31.GL_TRANSFORM_FEEDBACK_BUFFER, 0, tfo );
432 e6519ac8 Leszek Koltunski
    GLES31.glBeginTransformFeedback( GLES31.GL_POINTS);
433 604b2899 Leszek Koltunski
    DistortedRenderState.switchOffDrawing();
434 6c00149d Leszek Koltunski
    GLES31.glDrawArrays( GLES31.GL_POINTS, 0, num );
435 604b2899 Leszek Koltunski
    DistortedRenderState.restoreDrawing();
436 e6519ac8 Leszek Koltunski
    GLES31.glEndTransformFeedback();
437
    GLES31.glBindBufferBase(GLES31.GL_TRANSFORM_FEEDBACK_BUFFER, 0, 0);
438 604b2899 Leszek Koltunski
439 3fc9327a Leszek Koltunski
    mNormalProgram.useProgram();
440 e6519ac8 Leszek Koltunski
    GLES31.glUniformMatrix4fv(mNormalMVPMatrixH, 1, false, mM.getMVP() , 0);
441 da681e7e Leszek Koltunski
    mesh.bindTransformAttribs(mNormalProgram);
442 e6519ac8 Leszek Koltunski
    GLES31.glLineWidth(8.0f);
443 6c00149d Leszek Koltunski
    GLES31.glDrawArrays(GLES31.GL_LINES, 0, 2*num);
444 c90b9e01 Leszek Koltunski
    }
445 1aedf874 leszek
446 c1a38ba3 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
447
448 8e88389e Leszek Koltunski
  void send(float halfX, float halfY, float halfZ, float marginInPixels, DistortedOutputSurface surface, int variant)
449 a13dde77 Leszek Koltunski
    {
450 8e88389e Leszek Koltunski
    float inflate=0.0f;
451
452
    mM.send(surface,halfX,halfY,halfZ,variant);
453
454
    if( marginInPixels!=0.0f )
455
      {
456
      inflate = mM.magnify(surface,halfX,halfY,halfZ,marginInPixels);
457
      }
458
459 7a5e538a Leszek Koltunski
    mV.send(inflate,variant);
460 a13dde77 Leszek Koltunski
    }
461
462
///////////////////////////////////////////////////////////////////////////////////////////////////
463
464 715e7726 Leszek Koltunski
  void drawPrivOIT(float halfW, float halfH, MeshBase mesh, DistortedOutputSurface surface, long currTime)
465 c1a38ba3 Leszek Koltunski
    {
466 6c00149d Leszek Koltunski
    float halfZ = halfW*mesh.getZFactor();
467 c1a38ba3 Leszek Koltunski
468
    mM.compute(currTime);
469
    mV.compute(currTime,halfW,halfH,halfZ);
470
    mF.compute(currTime,halfW,halfH);
471
    mP.compute(currTime);
472
473
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
474
475
    mMainOITProgram.useProgram();
476
    GLES31.glUniform1i(mMainOITTextureH, 0);
477
    GLES31.glUniform2ui(mMainOITSizeH, surface.mWidth, surface.mHeight);
478 acb44099 Leszek Koltunski
    GLES31.glUniform1ui(mMainOITNumRecordsH, (int)(mBufferSize*surface.mWidth*surface.mHeight) );
479 c1a38ba3 Leszek Koltunski
480 da681e7e Leszek Koltunski
    mesh.bindVertexAttribs(mMainOITProgram);
481 c1a38ba3 Leszek Koltunski
482 7a5e538a Leszek Koltunski
    float inflate = mesh.getInflate();
483
484
    mM.send(surface,halfW,halfH,halfZ,1);
485
    mV.send(inflate,1);
486 86c352e0 Leszek Koltunski
    mF.send(1);
487 c1a38ba3 Leszek Koltunski
488 6c00149d Leszek Koltunski
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, mesh.getNumVertices() );
489 c1a38ba3 Leszek Koltunski
490 6c00149d Leszek Koltunski
    if( mesh.getShowNormals() )
491 99730f26 Leszek Koltunski
      {
492
      mMainProgram.useProgram();
493 7a5e538a Leszek Koltunski
      mM.send(surface,halfW,halfH,halfZ,0);
494
      mV.send(inflate,0);
495 99730f26 Leszek Koltunski
      mF.send(0);
496
      displayNormals(mesh);
497
      }
498 c1a38ba3 Leszek Koltunski
    }
499
500 c90b9e01 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
501
502 715e7726 Leszek Koltunski
  void drawPriv(float halfW, float halfH, MeshBase mesh, DistortedOutputSurface surface, long currTime)
503 d425545a Leszek Koltunski
    {
504 6c00149d Leszek Koltunski
    float halfZ = halfW*mesh.getZFactor();
505 638b5b5c leszek
506 8fbd0237 Leszek Koltunski
    mM.compute(currTime);
507
    mV.compute(currTime,halfW,halfH,halfZ);
508
    mF.compute(currTime,halfW,halfH);
509 1149be8f leszek
    mP.compute(currTime);
510 8fbd0237 Leszek Koltunski
511 e6519ac8 Leszek Koltunski
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
512 d6e94c84 Leszek Koltunski
513 b9798977 leszek
    mMainProgram.useProgram();
514 e6519ac8 Leszek Koltunski
    GLES31.glUniform1i(mMainTextureH, 0);
515 12f45260 Leszek Koltunski
516 da681e7e Leszek Koltunski
    mesh.bindVertexAttribs(mMainProgram);
517 cab7c165 Leszek Koltunski
518 7a5e538a Leszek Koltunski
    mM.send(surface,halfW,halfH,halfZ,0);
519
    mV.send( mesh.getInflate(),0);
520 86c352e0 Leszek Koltunski
    mF.send(0);
521 42571056 Leszek Koltunski
522 6c00149d Leszek Koltunski
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, mesh.getNumVertices() );
523 c90b9e01 Leszek Koltunski
524 6c00149d Leszek Koltunski
    if( mesh.getShowNormals() ) displayNormals(mesh);
525 d425545a Leszek Koltunski
    }
526 6a06a912 Leszek Koltunski
527
///////////////////////////////////////////////////////////////////////////////////////////////////
528 7266d8ef Leszek Koltunski
/**
529
 * Only for use by the library itself.
530
 *
531
 * @y.exclude
532
 */
533
  public static void blitPriv(DistortedOutputSurface surface)
534 d425545a Leszek Koltunski
    {
535 c1e24646 leszek
    mBlitProgram.useProgram();
536
537 e6519ac8 Leszek Koltunski
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
538
    GLES31.glUniform1i(mBlitTextureH, 0);
539
    GLES31.glUniform1f( mBlitDepthH , 1.0f-surface.mNear);
540
    GLES31.glVertexAttribPointer(mBlitProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
541
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
542 d425545a Leszek Koltunski
    }
543 7170e4eb leszek
544 97020807 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
545
546
  static void blitDepthPriv(DistortedOutputSurface surface, float corrW, float corrH)
547
    {
548
    mBlitDepthProgram.useProgram();
549
550
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
551
    GLES31.glUniform1i(mBlitDepthTextureH, 0);
552
    GLES31.glUniform1i(mBlitDepthDepthTextureH, 1);
553
    GLES31.glUniform2f(mBlitDepthTexCorrH, corrW, corrH );
554
    GLES31.glUniform1f( mBlitDepthDepthH , 1.0f-surface.mNear);
555
    GLES31.glVertexAttribPointer(mBlitDepthProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
556
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
557
    }
558
559 375b3950 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
560
561 12f9e4bb Leszek Koltunski
  private static int printPreviousBuffer()
562 375b3950 Leszek Koltunski
    {
563 12f9e4bb Leszek Koltunski
    int counter = 0;
564
565
    ByteBuffer atomicBuf = (ByteBuffer)GLES31.glMapBufferRange( GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, 4,
566
                                                                GLES31.GL_MAP_READ_BIT);
567
    if( atomicBuf!=null )
568
      {
569
      IntBuffer atomicIntBuf = atomicBuf.order(ByteOrder.nativeOrder()).asIntBuffer();
570
      counter = atomicIntBuf.get(0);
571
      }
572
    else
573 acb44099 Leszek Koltunski
      {
574 12f9e4bb Leszek Koltunski
      android.util.Log.e("effects", "print: failed to map atomic buffer");
575 acb44099 Leszek Koltunski
      }
576
577 12f9e4bb Leszek Koltunski
    GLES31.glUnmapBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER);
578 375b3950 Leszek Koltunski
579 12f9e4bb Leszek Koltunski
    return counter;
580
    }
581
582
///////////////////////////////////////////////////////////////////////////////////////////////////
583
584
  private static void zeroBuffer()
585
    {
586 375b3950 Leszek Koltunski
    ByteBuffer atomicBuf = (ByteBuffer)GLES31.glMapBufferRange( GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, 4,
587 12f9e4bb Leszek Koltunski
        GLES31.GL_MAP_WRITE_BIT|GLES31.GL_MAP_INVALIDATE_BUFFER_BIT);
588 375b3950 Leszek Koltunski
    if( atomicBuf!=null )
589
      {
590
      IntBuffer atomicIntBuf = atomicBuf.order(ByteOrder.nativeOrder()).asIntBuffer();
591 c92d84ec Leszek Koltunski
      atomicIntBuf.put(0,0);
592 375b3950 Leszek Koltunski
      }
593
    else
594
      {
595 12f9e4bb Leszek Koltunski
      android.util.Log.e("effects", "zero: failed to map atomic buffer");
596 375b3950 Leszek Koltunski
      }
597
598
    GLES31.glUnmapBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER);
599 12f9e4bb Leszek Koltunski
    }
600
601
///////////////////////////////////////////////////////////////////////////////////////////////////
602
// reset atomic counter to 0
603
604
  static int zeroOutAtomic()
605
    {
606
    int counter = 0;
607
608
    if( mAtomicCounter[0]<0 )
609
      {
610
      GLES31.glGenBuffers(Distorted.FBO_QUEUE_SIZE,mAtomicCounter,0);
611
612
      for(int i=0; i<Distorted.FBO_QUEUE_SIZE; i++)
613
        {
614
        GLES31.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, mAtomicCounter[i]);
615
        GLES31.glBufferData(GLES31.GL_ATOMIC_COUNTER_BUFFER, 4, null, GLES31.GL_DYNAMIC_DRAW);
616
        zeroBuffer();
617
        }
618
      }
619
620
    // reading the value of the buffer on every frame would slow down rendering by
621
    // about 3%; doing it only once every 5 frames affects speed by less than 1%.
622
    if( mCurrBuffer==0 )
623
      {
624
      GLES31.glBindBufferBase(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, mAtomicCounter[mCurrBuffer]);
625
      counter = printPreviousBuffer();
626
      }
627
628
    if( ++mCurrBuffer>=Distorted.FBO_QUEUE_SIZE ) mCurrBuffer = 0;
629
630
    GLES31.glBindBufferBase(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, mAtomicCounter[mCurrBuffer]);
631
    zeroBuffer();
632
633
    return counter;
634 375b3950 Leszek Koltunski
    }
635
636 7170e4eb leszek
///////////////////////////////////////////////////////////////////////////////////////////////////
637 56c6ca24 Leszek Koltunski
// Pass1 of the OIT algorithm. Clear per-pixel head-poiners.
638
639 12f9e4bb Leszek Koltunski
  static void oitClear(DistortedOutputSurface surface, int counter)
640 56c6ca24 Leszek Koltunski
    {
641 acb44099 Leszek Koltunski
    if( mLinkedListSSBO[0]<0 )
642
      {
643
      GLES31.glGenBuffers(1,mLinkedListSSBO,0);
644 12f9e4bb Leszek Koltunski
645
      int size = (int)(surface.mWidth*surface.mHeight*(3*mBufferSize+1)*4);
646 acb44099 Leszek Koltunski
      GLES31.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, mLinkedListSSBO[0]);
647
      GLES31.glBufferData(GLES31.GL_SHADER_STORAGE_BUFFER, size, null, GLES31.GL_DYNAMIC_READ|GLES31.GL_DYNAMIC_DRAW);
648 12f9e4bb Leszek Koltunski
      GLES31.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, 0);
649
650 acb44099 Leszek Koltunski
      GLES31.glBindBufferBase(GLES31.GL_SHADER_STORAGE_BUFFER, 1, mLinkedListSSBO[0]);
651 12f9e4bb Leszek Koltunski
      }
652
653
    // See if we have overflown the SSBO in one of the previous frames.
654
    // If yes, assume we need to make the SSBO larger.
655
    float overflow = counter/(mBufferSize*surface.mWidth*surface.mHeight);
656
657
    if( overflow>1.0f )
658
      {
659
      //android.util.Log.e("effects", "previous frame rendered "+counter+
660
      //                   " fragments, but there was only "+(mBufferSize*surface.mWidth*surface.mHeight)+" space");
661
662
      mBufferSize *= (int)(overflow+1.0f);
663
      int size = (int)(surface.mWidth*surface.mHeight*(3*mBufferSize+1)*4);
664
      GLES31.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, mLinkedListSSBO[0]);
665
      GLES31.glBufferData(GLES31.GL_SHADER_STORAGE_BUFFER, size, null, GLES31.GL_DYNAMIC_READ|GLES31.GL_DYNAMIC_DRAW);
666 acb44099 Leszek Koltunski
      GLES31.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, 0);
667
      }
668
669 56c6ca24 Leszek Koltunski
    mOITClearProgram.useProgram();
670
671
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
672
    GLES31.glUniform2f(mOITClearTexCorrH, 1.0f, 1.0f );   // corrections do not really matter here - only present because of common vertex shader.
673
    GLES31.glUniform1f( mOITClearDepthH , 1.0f);          // likewise depth
674 344ac0e4 Leszek Koltunski
    GLES31.glUniform2ui(mOITClearSizeH, surface.mWidth, surface.mHeight);
675 56c6ca24 Leszek Koltunski
    GLES31.glVertexAttribPointer(mOITClearProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
676
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
677
    }
678
679
///////////////////////////////////////////////////////////////////////////////////////////////////
680
// Pass2 of the OIT algorithm - build per-pixel linked lists.
681 7170e4eb leszek
682 56c6ca24 Leszek Koltunski
  static void oitBuild(DistortedOutputSurface surface, float corrW, float corrH)
683 7170e4eb leszek
    {
684 56c6ca24 Leszek Koltunski
    mOITBuildProgram.useProgram();
685 7170e4eb leszek
686 e6519ac8 Leszek Koltunski
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
687 56c6ca24 Leszek Koltunski
    GLES31.glUniform1i(mOITBuildTextureH, 0);
688
    GLES31.glUniform1i(mOITBuildDepthTextureH, 1);
689
    GLES31.glUniform2f(mOITBuildTexCorrH, corrW, corrH );
690 344ac0e4 Leszek Koltunski
    GLES31.glUniform2ui(mOITBuildSizeH, surface.mWidth, surface.mHeight);
691 acb44099 Leszek Koltunski
    GLES31.glUniform1ui(mOITBuildNumRecordsH, (int)(mBufferSize*surface.mWidth*surface.mHeight) );
692 56c6ca24 Leszek Koltunski
    GLES31.glUniform1f(mOITBuildDepthH , 1.0f-surface.mNear);
693
    GLES31.glVertexAttribPointer(mOITBuildProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
694 e6519ac8 Leszek Koltunski
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
695 8777ce17 Leszek Koltunski
    }
696
697
///////////////////////////////////////////////////////////////////////////////////////////////////
698 33f59f22 Leszek Koltunski
// Pass3 of the OIT algorithm. Cut occluded parts of the linked list.
699
700
  static void oitCollapse(DistortedOutputSurface surface, float corrW, float corrH)
701
    {
702
    mOITCollapseProgram.useProgram();
703
704
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
705
    GLES31.glUniform1i(mOITCollapseDepthTextureH, 1);
706
    GLES31.glUniform2f(mOITCollapseTexCorrH, corrW, corrH );
707 344ac0e4 Leszek Koltunski
    GLES31.glUniform2ui(mOITCollapseSizeH, surface.mWidth, surface.mHeight);
708 33f59f22 Leszek Koltunski
    GLES31.glUniform1f( mOITCollapseDepthH , 1.0f-surface.mNear);
709
    GLES31.glVertexAttribPointer(mOITCollapseProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
710
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
711
    }
712
713
///////////////////////////////////////////////////////////////////////////////////////////////////
714
// Pass4 of the OIT algorithm. Render all the transparent pixels from the per-pixel linked lists.
715 8777ce17 Leszek Koltunski
716 56c6ca24 Leszek Koltunski
  static void oitRender(DistortedOutputSurface surface, float corrW, float corrH)
717 8777ce17 Leszek Koltunski
    {
718 56c6ca24 Leszek Koltunski
    mOITRenderProgram.useProgram();
719 8777ce17 Leszek Koltunski
720
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
721 56c6ca24 Leszek Koltunski
    GLES31.glUniform2f(mOITRenderTexCorrH, corrW, corrH );
722 344ac0e4 Leszek Koltunski
    GLES31.glUniform2ui(mOITRenderSizeH, surface.mWidth, surface.mHeight);
723 56c6ca24 Leszek Koltunski
    GLES31.glUniform1f( mOITRenderDepthH , 1.0f-surface.mNear);
724
    GLES31.glVertexAttribPointer(mOITRenderProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
725 8777ce17 Leszek Koltunski
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
726 7170e4eb leszek
    }
727
728 cee0369a Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
729
730 8e34674e Leszek Koltunski
  private void releasePriv()
731 d425545a Leszek Koltunski
    {
732 344ac0e4 Leszek Koltunski
    if( !matrixCloned      ) mM.abortAll(false);
733
    if( !vertexCloned      ) mV.abortAll(false);
734
    if( !fragmentCloned    ) mF.abortAll(false);
735
    if( !postprocessCloned ) mP.abortAll(false);
736 d425545a Leszek Koltunski
737 4e2382f3 Leszek Koltunski
    mM = null;
738
    mV = null;
739
    mF = null;
740 80b3acf6 Leszek Koltunski
    mP = null;
741 8e34674e Leszek Koltunski
    }
742
743 1942537e Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
744
745 78e89fb5 Leszek Koltunski
  static void onPause()
746 1942537e Leszek Koltunski
    {
747 8777ce17 Leszek Koltunski
    mLinkedListSSBO[0]= -1;
748 12f9e4bb Leszek Koltunski
749
    for(int i=0; i<Distorted.FBO_QUEUE_SIZE; i++) mAtomicCounter[i] = -1;
750 1942537e Leszek Koltunski
    }
751
752 78e89fb5 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
753
754
  static void onDestroy()
755
    {
756
    mNextID =  0;
757
    }
758
759 12f9e4bb Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
760
761
  static void setSSBOSize(float size)
762
    {
763
    mBufferSize = size;
764
    }
765
766 8e34674e Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
767
// PUBLIC API
768 ada90d33 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
769 d425545a Leszek Koltunski
/**
770 4e2382f3 Leszek Koltunski
 * Create empty effect queue.
771 d425545a Leszek Koltunski
 */
772 421c2728 Leszek Koltunski
  public DistortedEffects()
773 d425545a Leszek Koltunski
    {
774 c7da4e65 leszek
    mID = ++mNextID;
775 4e2382f3 Leszek Koltunski
    initializeEffectLists(this,0);
776 d425545a Leszek Koltunski
    }
777 ada90d33 Leszek Koltunski
778
///////////////////////////////////////////////////////////////////////////////////////////////////
779 d425545a Leszek Koltunski
/**
780 4e2382f3 Leszek Koltunski
 * Copy constructor.
781 d425545a Leszek Koltunski
 * <p>
782
 * Whatever we do not clone gets created just like in the default constructor.
783
 *
784
 * @param dc    Source object to create our object from
785
 * @param flags A bitmask of values specifying what to copy.
786 e6ab30eb Leszek Koltunski
 *              For example, CLONE_VERTEX | CLONE_MATRIX.
787 d425545a Leszek Koltunski
 */
788 421c2728 Leszek Koltunski
  public DistortedEffects(DistortedEffects dc, int flags)
789 d425545a Leszek Koltunski
    {
790 c7da4e65 leszek
    mID = ++mNextID;
791 4e2382f3 Leszek Koltunski
    initializeEffectLists(dc,flags);
792 d425545a Leszek Koltunski
    }
793 ada90d33 Leszek Koltunski
794 6a06a912 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
795
/**
796 07305c87 Leszek Koltunski
 * Releases all resources. After this call, the queue should not be used anymore.
797 6a06a912 Leszek Koltunski
 */
798 13687207 leszek
  @SuppressWarnings("unused")
799 8e34674e Leszek Koltunski
  public synchronized void delete()
800 d425545a Leszek Koltunski
    {
801
    releasePriv();
802
    }
803 6a06a912 Leszek Koltunski
804
///////////////////////////////////////////////////////////////////////////////////////////////////
805
/**
806 4e2382f3 Leszek Koltunski
 * Returns unique ID of this instance.
807
 *
808
 * @return ID of the object.
809 6a06a912 Leszek Koltunski
 */
810 4e2382f3 Leszek Koltunski
  public long getID()
811 d425545a Leszek Koltunski
      {
812 4e2382f3 Leszek Koltunski
      return mID;
813 d425545a Leszek Koltunski
      }
814 4e2382f3 Leszek Koltunski
815 6a06a912 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
816
/**
817
 * Adds the calling class to the list of Listeners that get notified each time some event happens 
818 faa3ff56 Leszek Koltunski
 * to one of the Effects in our queues. Nothing will happen if 'el' is already in the list.
819 6a06a912 Leszek Koltunski
 * 
820
 * @param el A class implementing the EffectListener interface that wants to get notifications.
821
 */
822 13687207 leszek
  @SuppressWarnings("unused")
823 3fc994b2 Leszek Koltunski
  public void registerForMessages(EffectListener el)
824 d425545a Leszek Koltunski
    {
825 26a4e5f6 leszek
    mM.registerForMessages(el);
826 3fc994b2 Leszek Koltunski
    mV.registerForMessages(el);
827
    mF.registerForMessages(el);
828 80b3acf6 Leszek Koltunski
    mP.registerForMessages(el);
829 d425545a Leszek Koltunski
    }
830 6a06a912 Leszek Koltunski
831
///////////////////////////////////////////////////////////////////////////////////////////////////
832
/**
833 faa3ff56 Leszek Koltunski
 * Removes the calling class from the list of Listeners that get notified if something happens to Effects in our queue.
834 6a06a912 Leszek Koltunski
 * 
835
 * @param el A class implementing the EffectListener interface that no longer wants to get notifications.
836
 */
837 13687207 leszek
  @SuppressWarnings("unused")
838 3fc994b2 Leszek Koltunski
  public void deregisterForMessages(EffectListener el)
839 d425545a Leszek Koltunski
    {
840 26a4e5f6 leszek
    mM.deregisterForMessages(el);
841 3fc994b2 Leszek Koltunski
    mV.deregisterForMessages(el);
842
    mF.deregisterForMessages(el);
843 80b3acf6 Leszek Koltunski
    mP.deregisterForMessages(el);
844 d425545a Leszek Koltunski
    }
845 6a06a912 Leszek Koltunski
846
///////////////////////////////////////////////////////////////////////////////////////////////////
847
/**
848 d07f2950 Leszek Koltunski
 * Aborts all Effects.
849
 * @return Number of effects aborted.
850 6a06a912 Leszek Koltunski
 */
851 d425545a Leszek Koltunski
  public int abortAllEffects()
852 13687207 leszek
    {
853
    return mM.abortAll(true) + mV.abortAll(true) + mF.abortAll(true);
854
    }
855 6a06a912 Leszek Koltunski
856
///////////////////////////////////////////////////////////////////////////////////////////////////
857
/**
858 d07f2950 Leszek Koltunski
 * Aborts all Effects of a given type, for example all MATRIX Effects.
859 6a06a912 Leszek Koltunski
 * 
860 da9b3f07 Leszek Koltunski
 * @param type one of the constants defined in {@link EffectType}
861 d07f2950 Leszek Koltunski
 * @return Number of effects aborted.
862 6a06a912 Leszek Koltunski
 */
863 da9b3f07 Leszek Koltunski
  public int abortByType(EffectType type)
864 d425545a Leszek Koltunski
    {
865
    switch(type)
866 6a06a912 Leszek Koltunski
      {
867 da9b3f07 Leszek Koltunski
      case MATRIX     : return mM.abortAll(true);
868
      case VERTEX     : return mV.abortAll(true);
869
      case FRAGMENT   : return mF.abortAll(true);
870 80b3acf6 Leszek Koltunski
      case POSTPROCESS: return mP.abortAll(true);
871 da9b3f07 Leszek Koltunski
      default         : return 0;
872 6a06a912 Leszek Koltunski
      }
873 d425545a Leszek Koltunski
    }
874 47316d20 leszek
875
///////////////////////////////////////////////////////////////////////////////////////////////////
876
/**
877 faa3ff56 Leszek Koltunski
 * Aborts an Effect by its ID.
878 47316d20 leszek
 *
879
 * @param id the Id of the Effect to be removed, as returned by getID().
880
 * @return Number of effects aborted.
881
 */
882
  public int abortById(long id)
883
    {
884
    long type = id&EffectType.MASK;
885
886 2ef5dd9e leszek
    if( type == EffectType.MATRIX.ordinal()      ) return mM.removeById(id);
887
    if( type == EffectType.VERTEX.ordinal()      ) return mV.removeById(id);
888
    if( type == EffectType.FRAGMENT.ordinal()    ) return mF.removeById(id);
889 80b3acf6 Leszek Koltunski
    if( type == EffectType.POSTPROCESS.ordinal() ) return mP.removeById(id);
890 47316d20 leszek
891
    return 0;
892
    }
893
894 6a06a912 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
895
/**
896
 * Aborts a single Effect.
897
 * 
898 6bb59aad Leszek Koltunski
 * @param effect the Effect we want to abort.
899 476bbc81 Leszek Koltunski
 * @return number of Effects aborted. Always either 0 or 1.
900 6a06a912 Leszek Koltunski
 */
901 6bb59aad Leszek Koltunski
  public int abortEffect(Effect effect)
902 d425545a Leszek Koltunski
    {
903 6bb59aad Leszek Koltunski
    switch(effect.getType())
904
      {
905 da9b3f07 Leszek Koltunski
      case MATRIX     : return mM.removeEffect(effect);
906
      case VERTEX     : return mV.removeEffect(effect);
907
      case FRAGMENT   : return mF.removeEffect(effect);
908 80b3acf6 Leszek Koltunski
      case POSTPROCESS: return mP.removeEffect(effect);
909 da9b3f07 Leszek Koltunski
      default         : return 0;
910 6bb59aad Leszek Koltunski
      }
911 d425545a Leszek Koltunski
    }
912 6a06a912 Leszek Koltunski
913
///////////////////////////////////////////////////////////////////////////////////////////////////
914
/**
915 e8c81a8e Leszek Koltunski
 * Abort all Effects of a given name, for example all rotations.
916 6a06a912 Leszek Koltunski
 * 
917 da9b3f07 Leszek Koltunski
 * @param name one of the constants defined in {@link EffectName}
918 476bbc81 Leszek Koltunski
 * @return number of Effects aborted.
919 6a06a912 Leszek Koltunski
 */
920 da9b3f07 Leszek Koltunski
  public int abortByName(EffectName name)
921 d425545a Leszek Koltunski
    {
922 da9b3f07 Leszek Koltunski
    switch(name.getType())
923 6a06a912 Leszek Koltunski
      {
924 da9b3f07 Leszek Koltunski
      case MATRIX     : return mM.removeByName(name);
925
      case VERTEX     : return mV.removeByName(name);
926
      case FRAGMENT   : return mF.removeByName(name);
927 80b3acf6 Leszek Koltunski
      case POSTPROCESS: return mP.removeByName(name);
928 6bb59aad Leszek Koltunski
      default                : return 0;
929 6a06a912 Leszek Koltunski
      }
930 d425545a Leszek Koltunski
    }
931 432442f9 Leszek Koltunski
932
///////////////////////////////////////////////////////////////////////////////////////////////////
933
/**
934 faa3ff56 Leszek Koltunski
 * Returns the maximum number of effects of a given type that can be simultaneously applied to a
935 715e7726 Leszek Koltunski
 * single (InputSurface,MeshBase) combo.
936 432442f9 Leszek Koltunski
 *
937 fe6fe99a leszek
 * @param type {@link EffectType}
938
 * @return The maximum number of effects of a given type.
939 432442f9 Leszek Koltunski
 */
940 13687207 leszek
  @SuppressWarnings("unused")
941 fe6fe99a leszek
  public static int getMax(EffectType type)
942 432442f9 Leszek Koltunski
    {
943 fe6fe99a leszek
    return EffectQueue.getMax(type.ordinal());
944 432442f9 Leszek Koltunski
    }
945
946
///////////////////////////////////////////////////////////////////////////////////////////////////
947
/**
948 fe6fe99a leszek
 * Sets the maximum number of effects that can be stored in a single EffectQueue at one time.
949 432442f9 Leszek Koltunski
 * This can fail if:
950
 * <ul>
951
 * <li>the value of 'max' is outside permitted range (0 &le; max &le; Byte.MAX_VALUE)
952
 * <li>We try to increase the value of 'max' when it is too late to do so already. It needs to be called
953
 *     before the Vertex Shader gets compiled, i.e. before the call to {@link Distorted#onCreate}. After this
954
 *     time only decreasing the value of 'max' is permitted.
955
 * <li>Furthermore, this needs to be called before any instances of the DistortedEffects class get created.
956
 * </ul>
957
 *
958 fe6fe99a leszek
 * @param type {@link EffectType}
959
 * @param max new maximum number of simultaneous effects. Has to be a non-negative number not greater
960 80b3acf6 Leszek Koltunski
 *            than Byte.MAX_VALUE
961
 * @return <code>true</code> if operation was successful, <code>false</code> otherwise.
962
 */
963
  @SuppressWarnings("unused")
964 fe6fe99a leszek
  public static boolean setMax(EffectType type, int max)
965 80b3acf6 Leszek Koltunski
    {
966 fe6fe99a leszek
    return EffectQueue.setMax(type.ordinal(),max);
967 80b3acf6 Leszek Koltunski
    }
968
969 6a06a912 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
970
/**
971 6bb59aad Leszek Koltunski
 * Add a new Effect to our queue.
972 f2fe7e28 Leszek Koltunski
 *
973 6bb59aad Leszek Koltunski
 * @param effect The Effect to add.
974 ae77d55e Leszek Koltunski
 * @return <code>true</code> if operation was successful, <code>false</code> otherwise.
975 6a06a912 Leszek Koltunski
 */
976 ae77d55e Leszek Koltunski
  public boolean apply(Effect effect)
977 d425545a Leszek Koltunski
    {
978 6bb59aad Leszek Koltunski
    switch(effect.getType())
979
      {
980 26a4e5f6 leszek
      case MATRIX      : return mM.add(effect);
981 ae77d55e Leszek Koltunski
      case VERTEX      : return mV.add(effect);
982
      case FRAGMENT    : return mF.add(effect);
983 80b3acf6 Leszek Koltunski
      case POSTPROCESS : return mP.add(effect);
984 6bb59aad Leszek Koltunski
      }
985 ae77d55e Leszek Koltunski
986
    return false;
987 4fde55a0 Leszek Koltunski
    }
988 f2fe7e28 Leszek Koltunski
  }