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library / src / main / java / org / distorted / library / main / DistortedEffects.java @ 33f59f22

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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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  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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  throws FragmentCompilationException,VertexCompilationException,VertexUniformsException,FragmentUniformsException,LinkingException
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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.glBindBufferBase(GLES31.GL_SHADER_STORAGE_BUFFER, 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.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);
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    mF.compute(currTime,halfW,halfH);
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    mP.compute(currTime);
398 8fbd0237 Leszek Koltunski
399 e6519ac8 Leszek Koltunski
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
400 d6e94c84 Leszek Koltunski
401 b9798977 leszek
    mMainProgram.useProgram();
402 e6519ac8 Leszek Koltunski
    GLES31.glUniform1i(mMainTextureH, 0);
403 12f45260 Leszek Koltunski
404 8777ce17 Leszek Koltunski
    GLES31.glBindBuffer(GLES31.GL_ARRAY_BUFFER, mesh.mAttVBO[0]);
405
    GLES31.glVertexAttribPointer(mMainProgram.mAttribute[0], MeshObject.POS_DATA_SIZE, GLES31.GL_FLOAT, false, MeshObject.VERTSIZE, MeshObject.OFFSET0);
406
    GLES31.glVertexAttribPointer(mMainProgram.mAttribute[1], MeshObject.NOR_DATA_SIZE, GLES31.GL_FLOAT, false, MeshObject.VERTSIZE, MeshObject.OFFSET1);
407
    GLES31.glVertexAttribPointer(mMainProgram.mAttribute[2], MeshObject.TEX_DATA_SIZE, GLES31.GL_FLOAT, false, MeshObject.VERTSIZE, MeshObject.OFFSET2);
408
    GLES31.glBindBuffer(GLES31.GL_ARRAY_BUFFER, 0);
409 cab7c165 Leszek Koltunski
410 270c27bc Leszek Koltunski
    mM.send(surface,halfW,halfH,halfZ,marginInPixels);
411 8fbd0237 Leszek Koltunski
    mV.send();
412
    mF.send();
413 42571056 Leszek Koltunski
414 e6519ac8 Leszek Koltunski
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, mesh.numVertices);
415 c90b9e01 Leszek Koltunski
416 3fc9327a Leszek Koltunski
    if( mesh.mShowNormals ) displayNormals(mesh);
417 d425545a Leszek Koltunski
    }
418 6a06a912 Leszek Koltunski
419
///////////////////////////////////////////////////////////////////////////////////////////////////
420 7266d8ef Leszek Koltunski
/**
421
 * Only for use by the library itself.
422
 *
423
 * @y.exclude
424
 */
425
  public static void blitPriv(DistortedOutputSurface surface)
426 d425545a Leszek Koltunski
    {
427 c1e24646 leszek
    mBlitProgram.useProgram();
428
429 e6519ac8 Leszek Koltunski
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
430
    GLES31.glUniform1i(mBlitTextureH, 0);
431
    GLES31.glUniform1f( mBlitDepthH , 1.0f-surface.mNear);
432
    GLES31.glVertexAttribPointer(mBlitProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
433
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
434 d425545a Leszek Koltunski
    }
435 7170e4eb leszek
436 375b3950 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
437
// reset atomic counter to 0
438
439
  static void zeroOutAtomic()
440
    {
441
    GLES31.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, mAtomicCounter[0] );
442
443
    ByteBuffer atomicBuf = (ByteBuffer)GLES31.glMapBufferRange( GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, 4,
444 56c6ca24 Leszek Koltunski
                                                                GLES31.GL_MAP_WRITE_BIT|GLES31.GL_MAP_INVALIDATE_BUFFER_BIT);
445 375b3950 Leszek Koltunski
    if( atomicBuf!=null )
446
      {
447
      IntBuffer atomicIntBuf = atomicBuf.order(ByteOrder.nativeOrder()).asIntBuffer();
448
449 c92d84ec Leszek Koltunski
      //int counter = atomicIntBuf.get(0);
450 375b3950 Leszek Koltunski
      //android.util.Log.e("counter", "now = "+counter+" w="+surface.mWidth+" h="+surface.mHeight
451
      //                             +" diff="+(counter-surface.mWidth*surface.mHeight));
452 c92d84ec Leszek Koltunski
      atomicIntBuf.put(0,0);
453 375b3950 Leszek Koltunski
      }
454
    else
455
      {
456 c92d84ec Leszek Koltunski
      android.util.Log.e("effects", "failed to map atomic buffer");
457 375b3950 Leszek Koltunski
      }
458
459
    GLES31.glUnmapBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER);
460
    GLES31.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0);
461
    }
462
463 7170e4eb leszek
///////////////////////////////////////////////////////////////////////////////////////////////////
464 56c6ca24 Leszek Koltunski
// Pass1 of the OIT algorithm. Clear per-pixel head-poiners.
465
466
  static void oitClear(DistortedOutputSurface surface)
467
    {
468
    mOITClearProgram.useProgram();
469
470
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
471
    GLES31.glUniform2f(mOITClearTexCorrH, 1.0f, 1.0f );   // corrections do not really matter here - only present because of common vertex shader.
472
    GLES31.glUniform1f( mOITClearDepthH , 1.0f);          // likewise depth
473
    GLES31.glUniform2f(mOITClearSizeH, surface.mWidth, surface.mHeight);
474
    GLES31.glVertexAttribPointer(mOITClearProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
475
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
476
    }
477
478
///////////////////////////////////////////////////////////////////////////////////////////////////
479
// Pass2 of the OIT algorithm - build per-pixel linked lists.
480 7170e4eb leszek
481 56c6ca24 Leszek Koltunski
  static void oitBuild(DistortedOutputSurface surface, float corrW, float corrH)
482 7170e4eb leszek
    {
483 56c6ca24 Leszek Koltunski
    mOITBuildProgram.useProgram();
484 7170e4eb leszek
485 e6519ac8 Leszek Koltunski
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
486 56c6ca24 Leszek Koltunski
    GLES31.glUniform1i(mOITBuildTextureH, 0);
487
    GLES31.glUniform1i(mOITBuildDepthTextureH, 1);
488
    GLES31.glUniform2f(mOITBuildTexCorrH, corrW, corrH );
489
    GLES31.glUniform2f(mOITBuildSizeH, surface.mWidth, surface.mHeight);
490
    GLES31.glUniform1ui(mOITBuildNumRecordsH, (mBufferSize-surface.mWidth*surface.mHeight)/3 );  // see the fragment shader
491
    GLES31.glUniform1f(mOITBuildDepthH , 1.0f-surface.mNear);
492
    GLES31.glVertexAttribPointer(mOITBuildProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
493 e6519ac8 Leszek Koltunski
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
494 8777ce17 Leszek Koltunski
    }
495
496
///////////////////////////////////////////////////////////////////////////////////////////////////
497 33f59f22 Leszek Koltunski
// Pass3 of the OIT algorithm. Cut occluded parts of the linked list.
498
499
  static void oitCollapse(DistortedOutputSurface surface, float corrW, float corrH)
500
    {
501
    mOITCollapseProgram.useProgram();
502
503
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
504
    GLES31.glUniform1i(mOITCollapseDepthTextureH, 1);
505
    GLES31.glUniform2f(mOITCollapseTexCorrH, corrW, corrH );
506
    GLES31.glUniform2f(mOITCollapseSizeH, surface.mWidth, surface.mHeight);
507
    GLES31.glUniform1f( mOITCollapseDepthH , 1.0f-surface.mNear);
508
    GLES31.glVertexAttribPointer(mOITCollapseProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
509
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
510
    }
511
512
///////////////////////////////////////////////////////////////////////////////////////////////////
513
// Pass4 of the OIT algorithm. Render all the transparent pixels from the per-pixel linked lists.
514 8777ce17 Leszek Koltunski
515 56c6ca24 Leszek Koltunski
  static void oitRender(DistortedOutputSurface surface, float corrW, float corrH)
516 8777ce17 Leszek Koltunski
    {
517 56c6ca24 Leszek Koltunski
    mOITRenderProgram.useProgram();
518 8777ce17 Leszek Koltunski
519
    GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
520 56c6ca24 Leszek Koltunski
    GLES31.glUniform2f(mOITRenderTexCorrH, corrW, corrH );
521
    GLES31.glUniform2f(mOITRenderSizeH, surface.mWidth, surface.mHeight);
522
    GLES31.glUniform1f( mOITRenderDepthH , 1.0f-surface.mNear);
523
    GLES31.glVertexAttribPointer(mOITRenderProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
524 8777ce17 Leszek Koltunski
    GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
525 7170e4eb leszek
    }
526
527 6a06a912 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
528 cee0369a Leszek Koltunski
529
  private static void analyzeBuffer(int w, int h)
530
    {
531 c731c612 Leszek Koltunski
    int ptr, index;
532
    int errors = 0;
533 cee0369a Leszek Koltunski
534 c731c612 Leszek Koltunski
    GLES31.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, mLinkedListSSBO[0]);
535 375b3950 Leszek Koltunski
    ByteBuffer buf = (ByteBuffer)GLES31.glMapBufferRange(GLES31.GL_SHADER_STORAGE_BUFFER, 0, mBufferSize*4, GLES31.GL_MAP_READ_BIT);
536
    IntBuffer intBuf = buf.order(ByteOrder.nativeOrder()).asIntBuffer();
537 cee0369a Leszek Koltunski
538 c731c612 Leszek Koltunski
    for(int col=0; col<w; col++)
539
      for(int row=0; row<h; row++)
540 cee0369a Leszek Koltunski
        {
541 c731c612 Leszek Koltunski
        index = col+row*w;
542 375b3950 Leszek Koltunski
        ptr = intBuf.get(index);
543 cee0369a Leszek Koltunski
544
        if( ptr!=0 )
545
          {
546
          if( ptr>0 && ptr<mBufferSize )
547
            {
548 375b3950 Leszek Koltunski
            ptr = intBuf.get(ptr);
549 c731c612 Leszek Koltunski
            if( ptr != index )
550 cee0369a Leszek Koltunski
              {
551 c731c612 Leszek Koltunski
              android.util.Log.d("surface", "col="+col+" row="+row+" val="+ptr+" expected: "+index);
552
              errors++;
553 cee0369a Leszek Koltunski
              }
554
            }
555
          else
556
            {
557 c731c612 Leszek Koltunski
            android.util.Log.d("surface", "overflow!");
558 cee0369a Leszek Koltunski
            }
559
          }
560
        }
561
562 c731c612 Leszek Koltunski
    GLES31.glUnmapBuffer(GLES31.GL_SHADER_STORAGE_BUFFER);
563
    GLES31.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, 0);
564
565
    if( errors>0 ) android.util.Log.e("surface", "errors: "+errors);
566 cee0369a Leszek Koltunski
    }
567
568
///////////////////////////////////////////////////////////////////////////////////////////////////
569
570 8e34674e Leszek Koltunski
  private void releasePriv()
571 d425545a Leszek Koltunski
    {
572 80b3acf6 Leszek Koltunski
    if( !matrixCloned   )   mM.abortAll(false);
573
    if( !vertexCloned   )   mV.abortAll(false);
574
    if( !fragmentCloned )   mF.abortAll(false);
575
    if( !postprocessCloned) mP.abortAll(false);
576 d425545a Leszek Koltunski
577 4e2382f3 Leszek Koltunski
    mM = null;
578
    mV = null;
579
    mF = null;
580 80b3acf6 Leszek Koltunski
    mP = null;
581 8e34674e Leszek Koltunski
    }
582
583 1942537e Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
584
585 78e89fb5 Leszek Koltunski
  static void onPause()
586 1942537e Leszek Koltunski
    {
587 8777ce17 Leszek Koltunski
    mLinkedListSSBO[0]= -1;
588
    mAtomicCounter[0] = -1;
589 1942537e Leszek Koltunski
    }
590
591 78e89fb5 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
592
593
  static void onDestroy()
594
    {
595
    mNextID =  0;
596
    }
597
598 8e34674e Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
599
// PUBLIC API
600 ada90d33 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
601 d425545a Leszek Koltunski
/**
602 4e2382f3 Leszek Koltunski
 * Create empty effect queue.
603 d425545a Leszek Koltunski
 */
604 421c2728 Leszek Koltunski
  public DistortedEffects()
605 d425545a Leszek Koltunski
    {
606 c7da4e65 leszek
    mID = ++mNextID;
607 4e2382f3 Leszek Koltunski
    initializeEffectLists(this,0);
608 d425545a Leszek Koltunski
    }
609 ada90d33 Leszek Koltunski
610
///////////////////////////////////////////////////////////////////////////////////////////////////
611 d425545a Leszek Koltunski
/**
612 4e2382f3 Leszek Koltunski
 * Copy constructor.
613 d425545a Leszek Koltunski
 * <p>
614
 * Whatever we do not clone gets created just like in the default constructor.
615
 *
616
 * @param dc    Source object to create our object from
617
 * @param flags A bitmask of values specifying what to copy.
618 e6ab30eb Leszek Koltunski
 *              For example, CLONE_VERTEX | CLONE_MATRIX.
619 d425545a Leszek Koltunski
 */
620 421c2728 Leszek Koltunski
  public DistortedEffects(DistortedEffects dc, int flags)
621 d425545a Leszek Koltunski
    {
622 c7da4e65 leszek
    mID = ++mNextID;
623 4e2382f3 Leszek Koltunski
    initializeEffectLists(dc,flags);
624 d425545a Leszek Koltunski
    }
625 ada90d33 Leszek Koltunski
626 6a06a912 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
627
/**
628 07305c87 Leszek Koltunski
 * Releases all resources. After this call, the queue should not be used anymore.
629 6a06a912 Leszek Koltunski
 */
630 13687207 leszek
  @SuppressWarnings("unused")
631 8e34674e Leszek Koltunski
  public synchronized void delete()
632 d425545a Leszek Koltunski
    {
633
    releasePriv();
634
    }
635 6a06a912 Leszek Koltunski
636
///////////////////////////////////////////////////////////////////////////////////////////////////
637
/**
638 4e2382f3 Leszek Koltunski
 * Returns unique ID of this instance.
639
 *
640
 * @return ID of the object.
641 6a06a912 Leszek Koltunski
 */
642 4e2382f3 Leszek Koltunski
  public long getID()
643 d425545a Leszek Koltunski
      {
644 4e2382f3 Leszek Koltunski
      return mID;
645 d425545a Leszek Koltunski
      }
646 4e2382f3 Leszek Koltunski
647 6a06a912 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
648
/**
649
 * Adds the calling class to the list of Listeners that get notified each time some event happens 
650 faa3ff56 Leszek Koltunski
 * to one of the Effects in our queues. Nothing will happen if 'el' is already in the list.
651 6a06a912 Leszek Koltunski
 * 
652
 * @param el A class implementing the EffectListener interface that wants to get notifications.
653
 */
654 13687207 leszek
  @SuppressWarnings("unused")
655 3fc994b2 Leszek Koltunski
  public void registerForMessages(EffectListener el)
656 d425545a Leszek Koltunski
    {
657 26a4e5f6 leszek
    mM.registerForMessages(el);
658 3fc994b2 Leszek Koltunski
    mV.registerForMessages(el);
659
    mF.registerForMessages(el);
660 80b3acf6 Leszek Koltunski
    mP.registerForMessages(el);
661 d425545a Leszek Koltunski
    }
662 6a06a912 Leszek Koltunski
663
///////////////////////////////////////////////////////////////////////////////////////////////////
664
/**
665 faa3ff56 Leszek Koltunski
 * Removes the calling class from the list of Listeners that get notified if something happens to Effects in our queue.
666 6a06a912 Leszek Koltunski
 * 
667
 * @param el A class implementing the EffectListener interface that no longer wants to get notifications.
668
 */
669 13687207 leszek
  @SuppressWarnings("unused")
670 3fc994b2 Leszek Koltunski
  public void deregisterForMessages(EffectListener el)
671 d425545a Leszek Koltunski
    {
672 26a4e5f6 leszek
    mM.deregisterForMessages(el);
673 3fc994b2 Leszek Koltunski
    mV.deregisterForMessages(el);
674
    mF.deregisterForMessages(el);
675 80b3acf6 Leszek Koltunski
    mP.deregisterForMessages(el);
676 d425545a Leszek Koltunski
    }
677 6a06a912 Leszek Koltunski
678
///////////////////////////////////////////////////////////////////////////////////////////////////
679
/**
680 d07f2950 Leszek Koltunski
 * Aborts all Effects.
681
 * @return Number of effects aborted.
682 6a06a912 Leszek Koltunski
 */
683 d425545a Leszek Koltunski
  public int abortAllEffects()
684 13687207 leszek
    {
685
    return mM.abortAll(true) + mV.abortAll(true) + mF.abortAll(true);
686
    }
687 6a06a912 Leszek Koltunski
688
///////////////////////////////////////////////////////////////////////////////////////////////////
689
/**
690 d07f2950 Leszek Koltunski
 * Aborts all Effects of a given type, for example all MATRIX Effects.
691 6a06a912 Leszek Koltunski
 * 
692 da9b3f07 Leszek Koltunski
 * @param type one of the constants defined in {@link EffectType}
693 d07f2950 Leszek Koltunski
 * @return Number of effects aborted.
694 6a06a912 Leszek Koltunski
 */
695 da9b3f07 Leszek Koltunski
  public int abortByType(EffectType type)
696 d425545a Leszek Koltunski
    {
697
    switch(type)
698 6a06a912 Leszek Koltunski
      {
699 da9b3f07 Leszek Koltunski
      case MATRIX     : return mM.abortAll(true);
700
      case VERTEX     : return mV.abortAll(true);
701
      case FRAGMENT   : return mF.abortAll(true);
702 80b3acf6 Leszek Koltunski
      case POSTPROCESS: return mP.abortAll(true);
703 da9b3f07 Leszek Koltunski
      default         : return 0;
704 6a06a912 Leszek Koltunski
      }
705 d425545a Leszek Koltunski
    }
706 47316d20 leszek
707
///////////////////////////////////////////////////////////////////////////////////////////////////
708
/**
709 faa3ff56 Leszek Koltunski
 * Aborts an Effect by its ID.
710 47316d20 leszek
 *
711
 * @param id the Id of the Effect to be removed, as returned by getID().
712
 * @return Number of effects aborted.
713
 */
714
  public int abortById(long id)
715
    {
716
    long type = id&EffectType.MASK;
717
718 2ef5dd9e leszek
    if( type == EffectType.MATRIX.ordinal()      ) return mM.removeById(id);
719
    if( type == EffectType.VERTEX.ordinal()      ) return mV.removeById(id);
720
    if( type == EffectType.FRAGMENT.ordinal()    ) return mF.removeById(id);
721 80b3acf6 Leszek Koltunski
    if( type == EffectType.POSTPROCESS.ordinal() ) return mP.removeById(id);
722 47316d20 leszek
723
    return 0;
724
    }
725
726 6a06a912 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
727
/**
728
 * Aborts a single Effect.
729
 * 
730 6bb59aad Leszek Koltunski
 * @param effect the Effect we want to abort.
731 476bbc81 Leszek Koltunski
 * @return number of Effects aborted. Always either 0 or 1.
732 6a06a912 Leszek Koltunski
 */
733 6bb59aad Leszek Koltunski
  public int abortEffect(Effect effect)
734 d425545a Leszek Koltunski
    {
735 6bb59aad Leszek Koltunski
    switch(effect.getType())
736
      {
737 da9b3f07 Leszek Koltunski
      case MATRIX     : return mM.removeEffect(effect);
738
      case VERTEX     : return mV.removeEffect(effect);
739
      case FRAGMENT   : return mF.removeEffect(effect);
740 80b3acf6 Leszek Koltunski
      case POSTPROCESS: return mP.removeEffect(effect);
741 da9b3f07 Leszek Koltunski
      default         : return 0;
742 6bb59aad Leszek Koltunski
      }
743 d425545a Leszek Koltunski
    }
744 6a06a912 Leszek Koltunski
745
///////////////////////////////////////////////////////////////////////////////////////////////////
746
/**
747 e8c81a8e Leszek Koltunski
 * Abort all Effects of a given name, for example all rotations.
748 6a06a912 Leszek Koltunski
 * 
749 da9b3f07 Leszek Koltunski
 * @param name one of the constants defined in {@link EffectName}
750 476bbc81 Leszek Koltunski
 * @return number of Effects aborted.
751 6a06a912 Leszek Koltunski
 */
752 da9b3f07 Leszek Koltunski
  public int abortByName(EffectName name)
753 d425545a Leszek Koltunski
    {
754 da9b3f07 Leszek Koltunski
    switch(name.getType())
755 6a06a912 Leszek Koltunski
      {
756 da9b3f07 Leszek Koltunski
      case MATRIX     : return mM.removeByName(name);
757
      case VERTEX     : return mV.removeByName(name);
758
      case FRAGMENT   : return mF.removeByName(name);
759 80b3acf6 Leszek Koltunski
      case POSTPROCESS: return mP.removeByName(name);
760 6bb59aad Leszek Koltunski
      default                : return 0;
761 6a06a912 Leszek Koltunski
      }
762 d425545a Leszek Koltunski
    }
763 432442f9 Leszek Koltunski
764
///////////////////////////////////////////////////////////////////////////////////////////////////
765
/**
766 faa3ff56 Leszek Koltunski
 * Returns the maximum number of effects of a given type that can be simultaneously applied to a
767
 * single (InputSurface,MeshObject) combo.
768 432442f9 Leszek Koltunski
 *
769 fe6fe99a leszek
 * @param type {@link EffectType}
770
 * @return The maximum number of effects of a given type.
771 432442f9 Leszek Koltunski
 */
772 13687207 leszek
  @SuppressWarnings("unused")
773 fe6fe99a leszek
  public static int getMax(EffectType type)
774 432442f9 Leszek Koltunski
    {
775 fe6fe99a leszek
    return EffectQueue.getMax(type.ordinal());
776 432442f9 Leszek Koltunski
    }
777
778
///////////////////////////////////////////////////////////////////////////////////////////////////
779
/**
780 fe6fe99a leszek
 * Sets the maximum number of effects that can be stored in a single EffectQueue at one time.
781 432442f9 Leszek Koltunski
 * This can fail if:
782
 * <ul>
783
 * <li>the value of 'max' is outside permitted range (0 &le; max &le; Byte.MAX_VALUE)
784
 * <li>We try to increase the value of 'max' when it is too late to do so already. It needs to be called
785
 *     before the Vertex Shader gets compiled, i.e. before the call to {@link Distorted#onCreate}. After this
786
 *     time only decreasing the value of 'max' is permitted.
787
 * <li>Furthermore, this needs to be called before any instances of the DistortedEffects class get created.
788
 * </ul>
789
 *
790 fe6fe99a leszek
 * @param type {@link EffectType}
791
 * @param max new maximum number of simultaneous effects. Has to be a non-negative number not greater
792 80b3acf6 Leszek Koltunski
 *            than Byte.MAX_VALUE
793
 * @return <code>true</code> if operation was successful, <code>false</code> otherwise.
794
 */
795
  @SuppressWarnings("unused")
796 fe6fe99a leszek
  public static boolean setMax(EffectType type, int max)
797 80b3acf6 Leszek Koltunski
    {
798 fe6fe99a leszek
    return EffectQueue.setMax(type.ordinal(),max);
799 80b3acf6 Leszek Koltunski
    }
800
801 6a06a912 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
802
/**
803 6bb59aad Leszek Koltunski
 * Add a new Effect to our queue.
804 f2fe7e28 Leszek Koltunski
 *
805 6bb59aad Leszek Koltunski
 * @param effect The Effect to add.
806 ae77d55e Leszek Koltunski
 * @return <code>true</code> if operation was successful, <code>false</code> otherwise.
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 */
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  public boolean apply(Effect effect)
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    {
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    switch(effect.getType())
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      {
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      case MATRIX      : return mM.add(effect);
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      case VERTEX      : return mV.add(effect);
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      case FRAGMENT    : return mF.add(effect);
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      case POSTPROCESS : return mP.add(effect);
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      }
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    return false;
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    }
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  }