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library / src / main / java / org / distorted / library / main / DistortedEffects.java @ 344ac0e4

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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.message.EffectListener;
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import org.distorted.library.program.DistortedProgram;
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import org.distorted.library.program.FragmentCompilationException;
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import org.distorted.library.program.FragmentUniformsException;
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import org.distorted.library.program.LinkingException;
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import org.distorted.library.program.VertexCompilationException;
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import org.distorted.library.program.VertexUniformsException;
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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,MeshObject) 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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  /// OIT SSBO BUFFER ///
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  private static int[] mLinkedListSSBO = new int[1];
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  private static int[] mAtomicCounter = new int[1];
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  static
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    {
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    mLinkedListSSBO[0]= -1;
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    mAtomicCounter[0] = -1;
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    }
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  ///////////////////////////////////////////////////////////////
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  // this has to be at least as big as the number of pixels in
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  // the screen, lest the oitClear() pass overwrite memory.
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  private static int mBufferSize=(0x1<<23);  // 8 million entries
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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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  /// NORMAL PROGRAM /////
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  private static DistortedProgram mNormalProgram;
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  private static int mNormalMVPMatrixH;
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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 createProgram(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);
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    EffectQueueVertex.getUniforms(mainProgramH);
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    EffectQueueMatrix.getUniforms(mainProgramH);
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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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    // 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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    if( mLinkedListSSBO[0]<0 )
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      {
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      GLES31.glGenBuffers(1,mLinkedListSSBO,0);
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      GLES31.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, mLinkedListSSBO[0]);
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      GLES31.glBufferData(GLES31.GL_SHADER_STORAGE_BUFFER, mBufferSize*4 , null, GLES31.GL_DYNAMIC_READ|GLES31.GL_DYNAMIC_DRAW);
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      GLES31.glBindBufferBase(GLES31.GL_SHADER_STORAGE_BUFFER, 1, mLinkedListSSBO[0]);
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      GLES31.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, 0);
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      }
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    if( mAtomicCounter[0]<0 )
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      {
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      GLES31.glGenBuffers(1,mAtomicCounter,0);
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      GLES31.glBindBufferBase(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, mAtomicCounter[0]);
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      GLES31.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, mAtomicCounter[0] );
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      GLES31.glBufferData(GLES31.GL_ATOMIC_COUNTER_BUFFER, 4, null, GLES31.GL_DYNAMIC_DRAW);
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      GLES31.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0);
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      }
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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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    // 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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  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);
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    mF.newNode(node);
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    mV.newNode(node);
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    mP.newNode(node);
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private void displayNormals(MeshObject mesh)
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    {
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    GLES31.glBindBufferBase(GLES31.GL_TRANSFORM_FEEDBACK_BUFFER, 0, mesh.mAttTFO[0]);
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    GLES31.glBeginTransformFeedback( GLES31.GL_POINTS);
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    DistortedRenderState.switchOffDrawing();
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    GLES31.glDrawArrays( GLES31.GL_POINTS, 0, mesh.numVertices);
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    DistortedRenderState.restoreDrawing();
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    GLES31.glEndTransformFeedback();
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    GLES31.glBindBufferBase(GLES31.GL_TRANSFORM_FEEDBACK_BUFFER, 0, 0);
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    mNormalProgram.useProgram();
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    GLES31.glUniformMatrix4fv(mNormalMVPMatrixH, 1, false, mM.getMVP() , 0);
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    GLES31.glBindBuffer(GLES31.GL_ARRAY_BUFFER, mesh.mAttTFO[0]);
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    GLES31.glVertexAttribPointer(mNormalProgram.mAttribute[0], MeshObject.POS_DATA_SIZE, GLES31.GL_FLOAT, false, 0, 0);
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    GLES31.glBindBuffer(GLES31.GL_ARRAY_BUFFER, 0);
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    GLES31.glLineWidth(8.0f);
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    GLES31.glDrawArrays(GLES31.GL_LINES, 0, 2*mesh.numVertices);
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  void drawPriv(float halfW, float halfH, MeshObject mesh, DistortedOutputSurface surface, long currTime, float marginInPixels)
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    {
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    float halfZ = halfW*mesh.zFactor;
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    mM.compute(currTime);
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    mV.compute(currTime,halfW,halfH,halfZ);
398
    mF.compute(currTime,halfW,halfH);
399 1149be8f leszek
    mP.compute(currTime);
400 8fbd0237 Leszek Koltunski
401 e6519ac8 Leszek Koltunski
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
402 d6e94c84 Leszek Koltunski
403 b9798977 leszek
    mMainProgram.useProgram();
404 e6519ac8 Leszek Koltunski
    GLES31.glUniform1i(mMainTextureH, 0);
405 12f45260 Leszek Koltunski
406 8777ce17 Leszek Koltunski
    GLES31.glBindBuffer(GLES31.GL_ARRAY_BUFFER, mesh.mAttVBO[0]);
407
    GLES31.glVertexAttribPointer(mMainProgram.mAttribute[0], MeshObject.POS_DATA_SIZE, GLES31.GL_FLOAT, false, MeshObject.VERTSIZE, MeshObject.OFFSET0);
408
    GLES31.glVertexAttribPointer(mMainProgram.mAttribute[1], MeshObject.NOR_DATA_SIZE, GLES31.GL_FLOAT, false, MeshObject.VERTSIZE, MeshObject.OFFSET1);
409
    GLES31.glVertexAttribPointer(mMainProgram.mAttribute[2], MeshObject.TEX_DATA_SIZE, GLES31.GL_FLOAT, false, MeshObject.VERTSIZE, MeshObject.OFFSET2);
410
    GLES31.glBindBuffer(GLES31.GL_ARRAY_BUFFER, 0);
411 cab7c165 Leszek Koltunski
412 270c27bc Leszek Koltunski
    mM.send(surface,halfW,halfH,halfZ,marginInPixels);
413 8fbd0237 Leszek Koltunski
    mV.send();
414
    mF.send();
415 42571056 Leszek Koltunski
416 e6519ac8 Leszek Koltunski
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, mesh.numVertices);
417 c90b9e01 Leszek Koltunski
418 3fc9327a Leszek Koltunski
    if( mesh.mShowNormals ) displayNormals(mesh);
419 d425545a Leszek Koltunski
    }
420 6a06a912 Leszek Koltunski
421
///////////////////////////////////////////////////////////////////////////////////////////////////
422 7266d8ef Leszek Koltunski
/**
423
 * Only for use by the library itself.
424
 *
425
 * @y.exclude
426
 */
427
  public static void blitPriv(DistortedOutputSurface surface)
428 d425545a Leszek Koltunski
    {
429 c1e24646 leszek
    mBlitProgram.useProgram();
430
431 e6519ac8 Leszek Koltunski
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
432
    GLES31.glUniform1i(mBlitTextureH, 0);
433
    GLES31.glUniform1f( mBlitDepthH , 1.0f-surface.mNear);
434
    GLES31.glVertexAttribPointer(mBlitProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
435
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
436 d425545a Leszek Koltunski
    }
437 7170e4eb leszek
438 375b3950 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
439
// reset atomic counter to 0
440
441
  static void zeroOutAtomic()
442
    {
443
    GLES31.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, mAtomicCounter[0] );
444
445
    ByteBuffer atomicBuf = (ByteBuffer)GLES31.glMapBufferRange( GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, 4,
446 56c6ca24 Leszek Koltunski
                                                                GLES31.GL_MAP_WRITE_BIT|GLES31.GL_MAP_INVALIDATE_BUFFER_BIT);
447 375b3950 Leszek Koltunski
    if( atomicBuf!=null )
448
      {
449
      IntBuffer atomicIntBuf = atomicBuf.order(ByteOrder.nativeOrder()).asIntBuffer();
450
451 c92d84ec Leszek Koltunski
      //int counter = atomicIntBuf.get(0);
452 375b3950 Leszek Koltunski
      //android.util.Log.e("counter", "now = "+counter+" w="+surface.mWidth+" h="+surface.mHeight
453
      //                             +" diff="+(counter-surface.mWidth*surface.mHeight));
454 c92d84ec Leszek Koltunski
      atomicIntBuf.put(0,0);
455 375b3950 Leszek Koltunski
      }
456
    else
457
      {
458 c92d84ec Leszek Koltunski
      android.util.Log.e("effects", "failed to map atomic buffer");
459 375b3950 Leszek Koltunski
      }
460
461
    GLES31.glUnmapBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER);
462
    GLES31.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0);
463
    }
464
465 7170e4eb leszek
///////////////////////////////////////////////////////////////////////////////////////////////////
466 56c6ca24 Leszek Koltunski
// Pass1 of the OIT algorithm. Clear per-pixel head-poiners.
467
468
  static void oitClear(DistortedOutputSurface surface)
469
    {
470
    mOITClearProgram.useProgram();
471
472
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
473
    GLES31.glUniform2f(mOITClearTexCorrH, 1.0f, 1.0f );   // corrections do not really matter here - only present because of common vertex shader.
474
    GLES31.glUniform1f( mOITClearDepthH , 1.0f);          // likewise depth
475 344ac0e4 Leszek Koltunski
    GLES31.glUniform2ui(mOITClearSizeH, surface.mWidth, surface.mHeight);
476 56c6ca24 Leszek Koltunski
    GLES31.glVertexAttribPointer(mOITClearProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
477
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
478
    }
479
480
///////////////////////////////////////////////////////////////////////////////////////////////////
481
// Pass2 of the OIT algorithm - build per-pixel linked lists.
482 7170e4eb leszek
483 56c6ca24 Leszek Koltunski
  static void oitBuild(DistortedOutputSurface surface, float corrW, float corrH)
484 7170e4eb leszek
    {
485 56c6ca24 Leszek Koltunski
    mOITBuildProgram.useProgram();
486 7170e4eb leszek
487 e6519ac8 Leszek Koltunski
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
488 56c6ca24 Leszek Koltunski
    GLES31.glUniform1i(mOITBuildTextureH, 0);
489
    GLES31.glUniform1i(mOITBuildDepthTextureH, 1);
490
    GLES31.glUniform2f(mOITBuildTexCorrH, corrW, corrH );
491 344ac0e4 Leszek Koltunski
    GLES31.glUniform2ui(mOITBuildSizeH, surface.mWidth, surface.mHeight);
492 56c6ca24 Leszek Koltunski
    GLES31.glUniform1ui(mOITBuildNumRecordsH, (mBufferSize-surface.mWidth*surface.mHeight)/3 );  // see the fragment shader
493
    GLES31.glUniform1f(mOITBuildDepthH , 1.0f-surface.mNear);
494
    GLES31.glVertexAttribPointer(mOITBuildProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
495 e6519ac8 Leszek Koltunski
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
496 8777ce17 Leszek Koltunski
    }
497
498
///////////////////////////////////////////////////////////////////////////////////////////////////
499 33f59f22 Leszek Koltunski
// Pass3 of the OIT algorithm. Cut occluded parts of the linked list.
500
501
  static void oitCollapse(DistortedOutputSurface surface, float corrW, float corrH)
502
    {
503
    mOITCollapseProgram.useProgram();
504
505
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
506
    GLES31.glUniform1i(mOITCollapseDepthTextureH, 1);
507
    GLES31.glUniform2f(mOITCollapseTexCorrH, corrW, corrH );
508 344ac0e4 Leszek Koltunski
    GLES31.glUniform2ui(mOITCollapseSizeH, surface.mWidth, surface.mHeight);
509 33f59f22 Leszek Koltunski
    GLES31.glUniform1f( mOITCollapseDepthH , 1.0f-surface.mNear);
510
    GLES31.glVertexAttribPointer(mOITCollapseProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
511
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
512
    }
513
514
///////////////////////////////////////////////////////////////////////////////////////////////////
515
// Pass4 of the OIT algorithm. Render all the transparent pixels from the per-pixel linked lists.
516 8777ce17 Leszek Koltunski
517 56c6ca24 Leszek Koltunski
  static void oitRender(DistortedOutputSurface surface, float corrW, float corrH)
518 8777ce17 Leszek Koltunski
    {
519 56c6ca24 Leszek Koltunski
    mOITRenderProgram.useProgram();
520 8777ce17 Leszek Koltunski
521
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
522 56c6ca24 Leszek Koltunski
    GLES31.glUniform2f(mOITRenderTexCorrH, corrW, corrH );
523 344ac0e4 Leszek Koltunski
    GLES31.glUniform2ui(mOITRenderSizeH, surface.mWidth, surface.mHeight);
524 56c6ca24 Leszek Koltunski
    GLES31.glUniform1f( mOITRenderDepthH , 1.0f-surface.mNear);
525
    GLES31.glVertexAttribPointer(mOITRenderProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
526 8777ce17 Leszek Koltunski
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
527 7170e4eb leszek
    }
528
529 cee0369a Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
530
531 8e34674e Leszek Koltunski
  private void releasePriv()
532 d425545a Leszek Koltunski
    {
533 344ac0e4 Leszek Koltunski
    if( !matrixCloned      ) mM.abortAll(false);
534
    if( !vertexCloned      ) mV.abortAll(false);
535
    if( !fragmentCloned    ) mF.abortAll(false);
536
    if( !postprocessCloned ) mP.abortAll(false);
537 d425545a Leszek Koltunski
538 4e2382f3 Leszek Koltunski
    mM = null;
539
    mV = null;
540
    mF = null;
541 80b3acf6 Leszek Koltunski
    mP = null;
542 8e34674e Leszek Koltunski
    }
543
544 1942537e Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
545
546 78e89fb5 Leszek Koltunski
  static void onPause()
547 1942537e Leszek Koltunski
    {
548 8777ce17 Leszek Koltunski
    mLinkedListSSBO[0]= -1;
549
    mAtomicCounter[0] = -1;
550 1942537e Leszek Koltunski
    }
551
552 78e89fb5 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
553
554
  static void onDestroy()
555
    {
556
    mNextID =  0;
557
    }
558
559 8e34674e Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
560
// PUBLIC API
561 ada90d33 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
562 d425545a Leszek Koltunski
/**
563 4e2382f3 Leszek Koltunski
 * Create empty effect queue.
564 d425545a Leszek Koltunski
 */
565 421c2728 Leszek Koltunski
  public DistortedEffects()
566 d425545a Leszek Koltunski
    {
567 c7da4e65 leszek
    mID = ++mNextID;
568 4e2382f3 Leszek Koltunski
    initializeEffectLists(this,0);
569 d425545a Leszek Koltunski
    }
570 ada90d33 Leszek Koltunski
571
///////////////////////////////////////////////////////////////////////////////////////////////////
572 d425545a Leszek Koltunski
/**
573 4e2382f3 Leszek Koltunski
 * Copy constructor.
574 d425545a Leszek Koltunski
 * <p>
575
 * Whatever we do not clone gets created just like in the default constructor.
576
 *
577
 * @param dc    Source object to create our object from
578
 * @param flags A bitmask of values specifying what to copy.
579 e6ab30eb Leszek Koltunski
 *              For example, CLONE_VERTEX | CLONE_MATRIX.
580 d425545a Leszek Koltunski
 */
581 421c2728 Leszek Koltunski
  public DistortedEffects(DistortedEffects dc, int flags)
582 d425545a Leszek Koltunski
    {
583 c7da4e65 leszek
    mID = ++mNextID;
584 4e2382f3 Leszek Koltunski
    initializeEffectLists(dc,flags);
585 d425545a Leszek Koltunski
    }
586 ada90d33 Leszek Koltunski
587 6a06a912 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
588
/**
589 07305c87 Leszek Koltunski
 * Releases all resources. After this call, the queue should not be used anymore.
590 6a06a912 Leszek Koltunski
 */
591 13687207 leszek
  @SuppressWarnings("unused")
592 8e34674e Leszek Koltunski
  public synchronized void delete()
593 d425545a Leszek Koltunski
    {
594
    releasePriv();
595
    }
596 6a06a912 Leszek Koltunski
597
///////////////////////////////////////////////////////////////////////////////////////////////////
598
/**
599 4e2382f3 Leszek Koltunski
 * Returns unique ID of this instance.
600
 *
601
 * @return ID of the object.
602 6a06a912 Leszek Koltunski
 */
603 4e2382f3 Leszek Koltunski
  public long getID()
604 d425545a Leszek Koltunski
      {
605 4e2382f3 Leszek Koltunski
      return mID;
606 d425545a Leszek Koltunski
      }
607 4e2382f3 Leszek Koltunski
608 6a06a912 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
609
/**
610
 * Adds the calling class to the list of Listeners that get notified each time some event happens 
611 faa3ff56 Leszek Koltunski
 * to one of the Effects in our queues. Nothing will happen if 'el' is already in the list.
612 6a06a912 Leszek Koltunski
 * 
613
 * @param el A class implementing the EffectListener interface that wants to get notifications.
614
 */
615 13687207 leszek
  @SuppressWarnings("unused")
616 3fc994b2 Leszek Koltunski
  public void registerForMessages(EffectListener el)
617 d425545a Leszek Koltunski
    {
618 26a4e5f6 leszek
    mM.registerForMessages(el);
619 3fc994b2 Leszek Koltunski
    mV.registerForMessages(el);
620
    mF.registerForMessages(el);
621 80b3acf6 Leszek Koltunski
    mP.registerForMessages(el);
622 d425545a Leszek Koltunski
    }
623 6a06a912 Leszek Koltunski
624
///////////////////////////////////////////////////////////////////////////////////////////////////
625
/**
626 faa3ff56 Leszek Koltunski
 * Removes the calling class from the list of Listeners that get notified if something happens to Effects in our queue.
627 6a06a912 Leszek Koltunski
 * 
628
 * @param el A class implementing the EffectListener interface that no longer wants to get notifications.
629
 */
630 13687207 leszek
  @SuppressWarnings("unused")
631 3fc994b2 Leszek Koltunski
  public void deregisterForMessages(EffectListener el)
632 d425545a Leszek Koltunski
    {
633 26a4e5f6 leszek
    mM.deregisterForMessages(el);
634 3fc994b2 Leszek Koltunski
    mV.deregisterForMessages(el);
635
    mF.deregisterForMessages(el);
636 80b3acf6 Leszek Koltunski
    mP.deregisterForMessages(el);
637 d425545a Leszek Koltunski
    }
638 6a06a912 Leszek Koltunski
639
///////////////////////////////////////////////////////////////////////////////////////////////////
640
/**
641 d07f2950 Leszek Koltunski
 * Aborts all Effects.
642
 * @return Number of effects aborted.
643 6a06a912 Leszek Koltunski
 */
644 d425545a Leszek Koltunski
  public int abortAllEffects()
645 13687207 leszek
    {
646
    return mM.abortAll(true) + mV.abortAll(true) + mF.abortAll(true);
647
    }
648 6a06a912 Leszek Koltunski
649
///////////////////////////////////////////////////////////////////////////////////////////////////
650
/**
651 d07f2950 Leszek Koltunski
 * Aborts all Effects of a given type, for example all MATRIX Effects.
652 6a06a912 Leszek Koltunski
 * 
653 da9b3f07 Leszek Koltunski
 * @param type one of the constants defined in {@link EffectType}
654 d07f2950 Leszek Koltunski
 * @return Number of effects aborted.
655 6a06a912 Leszek Koltunski
 */
656 da9b3f07 Leszek Koltunski
  public int abortByType(EffectType type)
657 d425545a Leszek Koltunski
    {
658
    switch(type)
659 6a06a912 Leszek Koltunski
      {
660 da9b3f07 Leszek Koltunski
      case MATRIX     : return mM.abortAll(true);
661
      case VERTEX     : return mV.abortAll(true);
662
      case FRAGMENT   : return mF.abortAll(true);
663 80b3acf6 Leszek Koltunski
      case POSTPROCESS: return mP.abortAll(true);
664 da9b3f07 Leszek Koltunski
      default         : return 0;
665 6a06a912 Leszek Koltunski
      }
666 d425545a Leszek Koltunski
    }
667 47316d20 leszek
668
///////////////////////////////////////////////////////////////////////////////////////////////////
669
/**
670 faa3ff56 Leszek Koltunski
 * Aborts an Effect by its ID.
671 47316d20 leszek
 *
672
 * @param id the Id of the Effect to be removed, as returned by getID().
673
 * @return Number of effects aborted.
674
 */
675
  public int abortById(long id)
676
    {
677
    long type = id&EffectType.MASK;
678
679 2ef5dd9e leszek
    if( type == EffectType.MATRIX.ordinal()      ) return mM.removeById(id);
680
    if( type == EffectType.VERTEX.ordinal()      ) return mV.removeById(id);
681
    if( type == EffectType.FRAGMENT.ordinal()    ) return mF.removeById(id);
682 80b3acf6 Leszek Koltunski
    if( type == EffectType.POSTPROCESS.ordinal() ) return mP.removeById(id);
683 47316d20 leszek
684
    return 0;
685
    }
686
687 6a06a912 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
688
/**
689
 * Aborts a single Effect.
690
 * 
691 6bb59aad Leszek Koltunski
 * @param effect the Effect we want to abort.
692 476bbc81 Leszek Koltunski
 * @return number of Effects aborted. Always either 0 or 1.
693 6a06a912 Leszek Koltunski
 */
694 6bb59aad Leszek Koltunski
  public int abortEffect(Effect effect)
695 d425545a Leszek Koltunski
    {
696 6bb59aad Leszek Koltunski
    switch(effect.getType())
697
      {
698 da9b3f07 Leszek Koltunski
      case MATRIX     : return mM.removeEffect(effect);
699
      case VERTEX     : return mV.removeEffect(effect);
700
      case FRAGMENT   : return mF.removeEffect(effect);
701 80b3acf6 Leszek Koltunski
      case POSTPROCESS: return mP.removeEffect(effect);
702 da9b3f07 Leszek Koltunski
      default         : return 0;
703 6bb59aad Leszek Koltunski
      }
704 d425545a Leszek Koltunski
    }
705 6a06a912 Leszek Koltunski
706
///////////////////////////////////////////////////////////////////////////////////////////////////
707
/**
708 e8c81a8e Leszek Koltunski
 * Abort all Effects of a given name, for example all rotations.
709 6a06a912 Leszek Koltunski
 * 
710 da9b3f07 Leszek Koltunski
 * @param name one of the constants defined in {@link EffectName}
711 476bbc81 Leszek Koltunski
 * @return number of Effects aborted.
712 6a06a912 Leszek Koltunski
 */
713 da9b3f07 Leszek Koltunski
  public int abortByName(EffectName name)
714 d425545a Leszek Koltunski
    {
715 da9b3f07 Leszek Koltunski
    switch(name.getType())
716 6a06a912 Leszek Koltunski
      {
717 da9b3f07 Leszek Koltunski
      case MATRIX     : return mM.removeByName(name);
718
      case VERTEX     : return mV.removeByName(name);
719
      case FRAGMENT   : return mF.removeByName(name);
720 80b3acf6 Leszek Koltunski
      case POSTPROCESS: return mP.removeByName(name);
721 6bb59aad Leszek Koltunski
      default                : return 0;
722 6a06a912 Leszek Koltunski
      }
723 d425545a Leszek Koltunski
    }
724 432442f9 Leszek Koltunski
725
///////////////////////////////////////////////////////////////////////////////////////////////////
726
/**
727 faa3ff56 Leszek Koltunski
 * Returns the maximum number of effects of a given type that can be simultaneously applied to a
728
 * single (InputSurface,MeshObject) combo.
729 432442f9 Leszek Koltunski
 *
730 fe6fe99a leszek
 * @param type {@link EffectType}
731
 * @return The maximum number of effects of a given type.
732 432442f9 Leszek Koltunski
 */
733 13687207 leszek
  @SuppressWarnings("unused")
734 fe6fe99a leszek
  public static int getMax(EffectType type)
735 432442f9 Leszek Koltunski
    {
736 fe6fe99a leszek
    return EffectQueue.getMax(type.ordinal());
737 432442f9 Leszek Koltunski
    }
738
739
///////////////////////////////////////////////////////////////////////////////////////////////////
740
/**
741 fe6fe99a leszek
 * Sets the maximum number of effects that can be stored in a single EffectQueue at one time.
742 432442f9 Leszek Koltunski
 * This can fail if:
743
 * <ul>
744
 * <li>the value of 'max' is outside permitted range (0 &le; max &le; Byte.MAX_VALUE)
745
 * <li>We try to increase the value of 'max' when it is too late to do so already. It needs to be called
746
 *     before the Vertex Shader gets compiled, i.e. before the call to {@link Distorted#onCreate}. After this
747
 *     time only decreasing the value of 'max' is permitted.
748
 * <li>Furthermore, this needs to be called before any instances of the DistortedEffects class get created.
749
 * </ul>
750
 *
751 fe6fe99a leszek
 * @param type {@link EffectType}
752
 * @param max new maximum number of simultaneous effects. Has to be a non-negative number not greater
753 80b3acf6 Leszek Koltunski
 *            than Byte.MAX_VALUE
754
 * @return <code>true</code> if operation was successful, <code>false</code> otherwise.
755
 */
756
  @SuppressWarnings("unused")
757 fe6fe99a leszek
  public static boolean setMax(EffectType type, int max)
758 80b3acf6 Leszek Koltunski
    {
759 fe6fe99a leszek
    return EffectQueue.setMax(type.ordinal(),max);
760 80b3acf6 Leszek Koltunski
    }
761
762 6a06a912 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
763
/**
764 6bb59aad Leszek Koltunski
 * Add a new Effect to our queue.
765 f2fe7e28 Leszek Koltunski
 *
766 6bb59aad Leszek Koltunski
 * @param effect The Effect to add.
767 ae77d55e Leszek Koltunski
 * @return <code>true</code> if operation was successful, <code>false</code> otherwise.
768 6a06a912 Leszek Koltunski
 */
769 ae77d55e Leszek Koltunski
  public boolean apply(Effect effect)
770 d425545a Leszek Koltunski
    {
771 6bb59aad Leszek Koltunski
    switch(effect.getType())
772
      {
773 26a4e5f6 leszek
      case MATRIX      : return mM.add(effect);
774 ae77d55e Leszek Koltunski
      case VERTEX      : return mV.add(effect);
775
      case FRAGMENT    : return mF.add(effect);
776 80b3acf6 Leszek Koltunski
      case POSTPROCESS : return mP.add(effect);
777 6bb59aad Leszek Koltunski
      }
778 ae77d55e Leszek Koltunski
779
    return false;
780 4fde55a0 Leszek Koltunski
    }
781 f2fe7e28 Leszek Koltunski
  }