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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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///////////////////////////////////////////////////////////////////////////////////////////////////
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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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/// BLIT DEPTH PROGRAM ///
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private static DistortedProgram mBlitDepthProgram;
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private static int mBlitDepthTextureH;
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private static int mBlitDepthDepthTextureH;
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private static int mBlitDepthDepthH;
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/// 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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mMainProgram = new DistortedProgram( mainVertStream, mainFragStream, mainVertHeader, mainFragHeader,
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enabledEffectV, enabledEffectF, Distorted.GLSL, feedback);
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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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String blitVertHeader= (Distorted.GLSL_VERSION + "#define NUM_VERTEX 0\n" );
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String blitFragHeader= (Distorted.GLSL_VERSION + "#define NUM_FRAGMENT 0\n");
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try
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{
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mBlitProgram = new DistortedProgram(blitVertStream,blitFragStream,blitVertHeader,blitFragHeader, Distorted.GLSL);
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}
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catch(Exception e)
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{
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Log.e("EFFECTS", "exception trying to compile BLIT program: "+e.getMessage());
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throw new RuntimeException(e.getMessage());
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}
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int blitProgramH = mBlitProgram.getProgramHandle();
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mBlitTextureH = GLES31.glGetUniformLocation( blitProgramH, "u_Texture");
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mBlitDepthH = GLES31.glGetUniformLocation( blitProgramH, "u_Depth");
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// BLIT DEPTH PROGRAM ////////////////////////////////////
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final InputStream blitDepthVertStream = resources.openRawResource(R.raw.blit_depth_vertex_shader);
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final InputStream blitDepthFragStream = resources.openRawResource(R.raw.blit_depth_fragment_shader);
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try
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{
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mBlitDepthProgram = new DistortedProgram(blitDepthVertStream,blitDepthFragStream,blitVertHeader,blitFragHeader, Distorted.GLSL);
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}
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catch(Exception e)
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{
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Log.e("EFFECTS", "exception trying to compile BLIT DEPTH program: "+e.getMessage());
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throw new RuntimeException(e.getMessage());
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}
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int blitDepthProgramH = mBlitDepthProgram.getProgramHandle();
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mBlitDepthTextureH = GLES31.glGetUniformLocation( blitDepthProgramH, "u_Texture");
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mBlitDepthDepthTextureH = GLES31.glGetUniformLocation( blitDepthProgramH, "u_DepthTexture");
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mBlitDepthDepthH = GLES31.glGetUniformLocation( blitDepthProgramH, "u_Depth");
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// 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", "exception 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);
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GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
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mMainProgram.useProgram();
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GLES31.glUniform1i(mMainTextureH, 0);
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if( Distorted.GLSL >= 300 )
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{
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GLES31.glBindBuffer(GLES31.GL_ARRAY_BUFFER, mesh.mAttVBO[0]);
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GLES31.glVertexAttribPointer(mMainProgram.mAttribute[0], MeshObject.POS_DATA_SIZE, GLES31.GL_FLOAT, false, MeshObject.VERTSIZE, MeshObject.OFFSET0);
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GLES31.glVertexAttribPointer(mMainProgram.mAttribute[1], MeshObject.NOR_DATA_SIZE, GLES31.GL_FLOAT, false, MeshObject.VERTSIZE, MeshObject.OFFSET1);
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GLES31.glVertexAttribPointer(mMainProgram.mAttribute[2], MeshObject.TEX_DATA_SIZE, GLES31.GL_FLOAT, false, MeshObject.VERTSIZE, MeshObject.OFFSET2);
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GLES31.glBindBuffer(GLES31.GL_ARRAY_BUFFER, 0);
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}
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else
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{
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mesh.mVertAttribs.position(0);
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GLES31.glVertexAttribPointer(mMainProgram.mAttribute[0], MeshObject.POS_DATA_SIZE, GLES31.GL_FLOAT, false, MeshObject.VERTSIZE, mesh.mVertAttribs);
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mesh.mVertAttribs.position(MeshObject.POS_DATA_SIZE);
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GLES31.glVertexAttribPointer(mMainProgram.mAttribute[1], MeshObject.NOR_DATA_SIZE, GLES31.GL_FLOAT, false, MeshObject.VERTSIZE, mesh.mVertAttribs);
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mesh.mVertAttribs.position(MeshObject.POS_DATA_SIZE+MeshObject.NOR_DATA_SIZE);
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GLES31.glVertexAttribPointer(mMainProgram.mAttribute[2], MeshObject.TEX_DATA_SIZE, GLES31.GL_FLOAT, false, MeshObject.VERTSIZE, mesh.mVertAttribs);
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}
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mM.send(surface,halfW,halfH,halfZ,marginInPixels);
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mV.send();
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mF.send();
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GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, mesh.numVertices);
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if( mesh.mShowNormals ) displayNormals(mesh);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Only for use by the library itself.
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*
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* @y.exclude
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*/
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public static void blitPriv(DistortedOutputSurface surface)
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{
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mBlitProgram.useProgram();
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GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
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GLES31.glUniform1i(mBlitTextureH, 0);
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GLES31.glUniform1f( mBlitDepthH , 1.0f-surface.mNear);
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GLES31.glVertexAttribPointer(mBlitProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
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GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static void blitDepthPriv(DistortedOutputSurface surface)
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{
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mBlitDepthProgram.useProgram();
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GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight );
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GLES31.glUniform1i(mBlitDepthTextureH, 0);
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GLES31.glUniform1i(mBlitDepthDepthTextureH, 1);
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GLES31.glUniform1f( mBlitDepthDepthH , 1.0f-surface.mNear);
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GLES31.glVertexAttribPointer(mBlitDepthProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions);
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GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void releasePriv()
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{
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if( !matrixCloned ) mM.abortAll(false);
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if( !vertexCloned ) mV.abortAll(false);
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if( !fragmentCloned ) mF.abortAll(false);
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if( !postprocessCloned) mP.abortAll(false);
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mM = null;
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mV = null;
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mF = null;
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mP = null;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static void onDestroy()
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{
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mNextID = 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// PUBLIC API
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Create empty effect queue.
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*/
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public DistortedEffects()
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{
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mID = ++mNextID;
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initializeEffectLists(this,0);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Copy constructor.
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* <p>
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* Whatever we do not clone gets created just like in the default constructor.
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*
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* @param dc Source object to create our object from
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* @param flags A bitmask of values specifying what to copy.
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* For example, CLONE_VERTEX | CLONE_MATRIX.
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*/
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public DistortedEffects(DistortedEffects dc, int flags)
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{
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mID = ++mNextID;
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initializeEffectLists(dc,flags);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Releases all resources. After this call, the queue should not be used anymore.
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*/
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@SuppressWarnings("unused")
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public synchronized void delete()
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{
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releasePriv();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Returns unique ID of this instance.
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*
|
407
|
* @return ID of the object.
|
408
|
*/
|
409
|
public long getID()
|
410
|
{
|
411
|
return mID;
|
412
|
}
|
413
|
|
414
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
415
|
/**
|
416
|
* Adds the calling class to the list of Listeners that get notified each time some event happens
|
417
|
* to one of the Effects in our queues. Nothing will happen if 'el' is already in the list.
|
418
|
*
|
419
|
* @param el A class implementing the EffectListener interface that wants to get notifications.
|
420
|
*/
|
421
|
@SuppressWarnings("unused")
|
422
|
public void registerForMessages(EffectListener el)
|
423
|
{
|
424
|
mM.registerForMessages(el);
|
425
|
mV.registerForMessages(el);
|
426
|
mF.registerForMessages(el);
|
427
|
mP.registerForMessages(el);
|
428
|
}
|
429
|
|
430
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
431
|
/**
|
432
|
* Removes the calling class from the list of Listeners that get notified if something happens to Effects in our queue.
|
433
|
*
|
434
|
* @param el A class implementing the EffectListener interface that no longer wants to get notifications.
|
435
|
*/
|
436
|
@SuppressWarnings("unused")
|
437
|
public void deregisterForMessages(EffectListener el)
|
438
|
{
|
439
|
mM.deregisterForMessages(el);
|
440
|
mV.deregisterForMessages(el);
|
441
|
mF.deregisterForMessages(el);
|
442
|
mP.deregisterForMessages(el);
|
443
|
}
|
444
|
|
445
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
446
|
/**
|
447
|
* Aborts all Effects.
|
448
|
* @return Number of effects aborted.
|
449
|
*/
|
450
|
public int abortAllEffects()
|
451
|
{
|
452
|
return mM.abortAll(true) + mV.abortAll(true) + mF.abortAll(true);
|
453
|
}
|
454
|
|
455
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
456
|
/**
|
457
|
* Aborts all Effects of a given type, for example all MATRIX Effects.
|
458
|
*
|
459
|
* @param type one of the constants defined in {@link EffectType}
|
460
|
* @return Number of effects aborted.
|
461
|
*/
|
462
|
public int abortByType(EffectType type)
|
463
|
{
|
464
|
switch(type)
|
465
|
{
|
466
|
case MATRIX : return mM.abortAll(true);
|
467
|
case VERTEX : return mV.abortAll(true);
|
468
|
case FRAGMENT : return mF.abortAll(true);
|
469
|
case POSTPROCESS: return mP.abortAll(true);
|
470
|
default : return 0;
|
471
|
}
|
472
|
}
|
473
|
|
474
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
475
|
/**
|
476
|
* Aborts an Effect by its ID.
|
477
|
*
|
478
|
* @param id the Id of the Effect to be removed, as returned by getID().
|
479
|
* @return Number of effects aborted.
|
480
|
*/
|
481
|
public int abortById(long id)
|
482
|
{
|
483
|
long type = id&EffectType.MASK;
|
484
|
|
485
|
if( type == EffectType.MATRIX.ordinal() ) return mM.removeById(id);
|
486
|
if( type == EffectType.VERTEX.ordinal() ) return mV.removeById(id);
|
487
|
if( type == EffectType.FRAGMENT.ordinal() ) return mF.removeById(id);
|
488
|
if( type == EffectType.POSTPROCESS.ordinal() ) return mP.removeById(id);
|
489
|
|
490
|
return 0;
|
491
|
}
|
492
|
|
493
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
494
|
/**
|
495
|
* Aborts a single Effect.
|
496
|
*
|
497
|
* @param effect the Effect we want to abort.
|
498
|
* @return number of Effects aborted. Always either 0 or 1.
|
499
|
*/
|
500
|
public int abortEffect(Effect effect)
|
501
|
{
|
502
|
switch(effect.getType())
|
503
|
{
|
504
|
case MATRIX : return mM.removeEffect(effect);
|
505
|
case VERTEX : return mV.removeEffect(effect);
|
506
|
case FRAGMENT : return mF.removeEffect(effect);
|
507
|
case POSTPROCESS: return mP.removeEffect(effect);
|
508
|
default : return 0;
|
509
|
}
|
510
|
}
|
511
|
|
512
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
513
|
/**
|
514
|
* Abort all Effects of a given name, for example all rotations.
|
515
|
*
|
516
|
* @param name one of the constants defined in {@link EffectName}
|
517
|
* @return number of Effects aborted.
|
518
|
*/
|
519
|
public int abortByName(EffectName name)
|
520
|
{
|
521
|
switch(name.getType())
|
522
|
{
|
523
|
case MATRIX : return mM.removeByName(name);
|
524
|
case VERTEX : return mV.removeByName(name);
|
525
|
case FRAGMENT : return mF.removeByName(name);
|
526
|
case POSTPROCESS: return mP.removeByName(name);
|
527
|
default : return 0;
|
528
|
}
|
529
|
}
|
530
|
|
531
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
532
|
/**
|
533
|
* Returns the maximum number of effects of a given type that can be simultaneously applied to a
|
534
|
* single (InputSurface,MeshObject) combo.
|
535
|
*
|
536
|
* @param type {@link EffectType}
|
537
|
* @return The maximum number of effects of a given type.
|
538
|
*/
|
539
|
@SuppressWarnings("unused")
|
540
|
public static int getMax(EffectType type)
|
541
|
{
|
542
|
return EffectQueue.getMax(type.ordinal());
|
543
|
}
|
544
|
|
545
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
546
|
/**
|
547
|
* Sets the maximum number of effects that can be stored in a single EffectQueue at one time.
|
548
|
* This can fail if:
|
549
|
* <ul>
|
550
|
* <li>the value of 'max' is outside permitted range (0 ≤ max ≤ Byte.MAX_VALUE)
|
551
|
* <li>We try to increase the value of 'max' when it is too late to do so already. It needs to be called
|
552
|
* before the Vertex Shader gets compiled, i.e. before the call to {@link Distorted#onCreate}. After this
|
553
|
* time only decreasing the value of 'max' is permitted.
|
554
|
* <li>Furthermore, this needs to be called before any instances of the DistortedEffects class get created.
|
555
|
* </ul>
|
556
|
*
|
557
|
* @param type {@link EffectType}
|
558
|
* @param max new maximum number of simultaneous effects. Has to be a non-negative number not greater
|
559
|
* than Byte.MAX_VALUE
|
560
|
* @return <code>true</code> if operation was successful, <code>false</code> otherwise.
|
561
|
*/
|
562
|
@SuppressWarnings("unused")
|
563
|
public static boolean setMax(EffectType type, int max)
|
564
|
{
|
565
|
return EffectQueue.setMax(type.ordinal(),max);
|
566
|
}
|
567
|
|
568
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
569
|
/**
|
570
|
* Add a new Effect to our queue.
|
571
|
*
|
572
|
* @param effect The Effect to add.
|
573
|
* @return <code>true</code> if operation was successful, <code>false</code> otherwise.
|
574
|
*/
|
575
|
public boolean apply(Effect effect)
|
576
|
{
|
577
|
switch(effect.getType())
|
578
|
{
|
579
|
case MATRIX : return mM.add(effect);
|
580
|
case VERTEX : return mV.add(effect);
|
581
|
case FRAGMENT : return mF.add(effect);
|
582
|
case POSTPROCESS : return mP.add(effect);
|
583
|
}
|
584
|
|
585
|
return false;
|
586
|
}
|
587
|
}
|