added test for multiple parallel applications: multiple OpenCL contexts do not work
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/*
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* Copyright (c) 2009-2016 jMonkeyEngine
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package jme3test.opencl;
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import com.jme3.app.SimpleApplication;
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import com.jme3.font.BitmapFont;
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import com.jme3.font.BitmapText;
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import com.jme3.font.Rectangle;
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import com.jme3.opencl.*;
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import com.jme3.system.AppSettings;
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import java.util.Collections;
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import java.util.List;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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/**
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* This class creates multiple instances of {@link TestVertexBufferSharing}.
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* This is used to test if multiple opencl instances can run in parallel.
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* @author Sebastian Weiss
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*/
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public class TestMultipleApplications extends SimpleApplication {
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private static final Logger LOG = Logger.getLogger(TestMultipleApplications.class.getName());
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private static final Object sync = new Object();
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private static Platform selectedPlatform;
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private static List<? extends Device> availableDevices;
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private static int currentDeviceIndex;
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private Context clContext;
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private CommandQueue clQueue;
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private Kernel kernel;
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private Buffer buffer;
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private boolean failed;
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private BitmapText infoText;
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private BitmapText statusText;
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/**
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* @param args the command line arguments
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*/
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public static void main(String[] args) {
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final AppSettings settings = new AppSettings(true);
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settings.setOpenCLSupport(true);
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settings.setVSync(true);
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settings.setOpenCLPlatformChooser(CustomPlatformChooser.class);
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settings.setRenderer(AppSettings.JOGL_OPENGL_FORWARD_COMPATIBLE);
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for (int i=0; i<2; ++i) {
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new Thread() {
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public void run() {
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if (currentDeviceIndex == -1) {
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return;
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}
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TestMultipleApplications app = new TestMultipleApplications();
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app.setSettings(settings);
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app.setShowSettings(false);
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app.start();
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}
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}.start();
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}
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}
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public static class CustomPlatformChooser implements PlatformChooser {
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public CustomPlatformChooser() {}
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@Override
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public List<? extends Device> chooseDevices(List<? extends Platform> platforms) {
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synchronized(sync) {
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if (currentDeviceIndex == -1) {
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return Collections.emptyList();
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}
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Platform platform = platforms.get(0);
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availableDevices = platform.getDevices();
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selectedPlatform = platform;
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Device device = platform.getDevices().get(currentDeviceIndex);
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currentDeviceIndex ++;
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if (currentDeviceIndex >= availableDevices.size()) {
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currentDeviceIndex = -1;
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}
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return Collections.singletonList(device);
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}
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}
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}
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@Override
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public void simpleInitApp() {
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clContext = context.getOpenCLContext();
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if (clContext == null) {
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LOG.severe("No OpenCL context found");
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stop();
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return;
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}
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Device device = clContext.getDevices().get(0);
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clQueue = clContext.createQueue(device);
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clQueue.register();
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String source = ""
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+ "__kernel void Fill(__global float* vb, float v)\n"
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+ "{\n"
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+ " int idx = get_global_id(0);\n"
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+ " vb[idx] = v;\n"
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+ "}\n";
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Program program = clContext.createProgramFromSourceCode(source);
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program.build();
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program.register();
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kernel = program.createKernel("Fill");
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kernel.register();
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buffer = clContext.createBuffer(4);
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buffer.register();
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flyCam.setEnabled(false);
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inputManager.setCursorVisible(true);
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BitmapFont fnt = assetManager.loadFont("Interface/Fonts/Default.fnt");
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infoText = new BitmapText(fnt, false);
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//infoText.setBox(new Rectangle(0, 0, settings.getWidth(), settings.getHeight()));
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infoText.setText("Device: "+clContext.getDevices());
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infoText.setLocalTranslation(0, settings.getHeight(), 0);
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guiNode.attachChild(infoText);
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statusText = new BitmapText(fnt, false);
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//statusText.setBox(new Rectangle(0, 0, settings.getWidth(), settings.getHeight()));
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statusText.setText("Running");
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statusText.setLocalTranslation(0, settings.getHeight() - infoText.getHeight() - 2, 0);
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guiNode.attachChild(statusText);
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}
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@Override
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public void simpleUpdate(float tpf) {
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//call kernel to test if it is still working
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if (!failed) {
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try {
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kernel.Run1NoEvent(clQueue, new Kernel.WorkSize(1), buffer, 1.0f);
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} catch (OpenCLException ex) {
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LOG.log(Level.SEVERE, "Kernel call not working anymore", ex);
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failed = true;
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statusText.setText("Failed");
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}
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}
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}
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}
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