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added test for multiple parallel applications: multiple OpenCL contexts do not work

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shamanDevel 2016-05-27 11:48:24 +02:00
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commit a834a4dad6
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jme3-examples/src/main/java/jme3test/opencl/TestMultipleApplications.java Normal file
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/*
* Copyright (c) 2009-2016 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package jme3test.opencl;
import com.jme3.app.SimpleApplication;
import com.jme3.font.BitmapFont;
import com.jme3.font.BitmapText;
import com.jme3.font.Rectangle;
import com.jme3.opencl.*;
import com.jme3.system.AppSettings;
import java.util.Collections;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* This class creates multiple instances of {@link TestVertexBufferSharing}.
* This is used to test if multiple opencl instances can run in parallel.
* @author Sebastian Weiss
*/
public class TestMultipleApplications extends SimpleApplication {
private static final Logger LOG = Logger.getLogger(TestMultipleApplications.class.getName());
private static final Object sync = new Object();
private static Platform selectedPlatform;
private static List<? extends Device> availableDevices;
private static int currentDeviceIndex;
private Context clContext;
private CommandQueue clQueue;
private Kernel kernel;
private Buffer buffer;
private boolean failed;
private BitmapText infoText;
private BitmapText statusText;
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
final AppSettings settings = new AppSettings(true);
settings.setOpenCLSupport(true);
settings.setVSync(true);
settings.setOpenCLPlatformChooser(CustomPlatformChooser.class);
settings.setRenderer(AppSettings.JOGL_OPENGL_FORWARD_COMPATIBLE);
for (int i=0; i<2; ++i) {
new Thread() {
public void run() {
if (currentDeviceIndex == -1) {
return;
}
TestMultipleApplications app = new TestMultipleApplications();
app.setSettings(settings);
app.setShowSettings(false);
app.start();
}
}.start();
}
}
public static class CustomPlatformChooser implements PlatformChooser {
public CustomPlatformChooser() {}
@Override
public List<? extends Device> chooseDevices(List<? extends Platform> platforms) {
synchronized(sync) {
if (currentDeviceIndex == -1) {
return Collections.emptyList();
}
Platform platform = platforms.get(0);
availableDevices = platform.getDevices();
selectedPlatform = platform;
Device device = platform.getDevices().get(currentDeviceIndex);
currentDeviceIndex ++;
if (currentDeviceIndex >= availableDevices.size()) {
currentDeviceIndex = -1;
}
return Collections.singletonList(device);
}
}
}
@Override
public void simpleInitApp() {
clContext = context.getOpenCLContext();
if (clContext == null) {
LOG.severe("No OpenCL context found");
stop();
return;
}
Device device = clContext.getDevices().get(0);
clQueue = clContext.createQueue(device);
clQueue.register();
String source = ""
+ "__kernel void Fill(__global float* vb, float v)\n"
+ "{\n"
+ " int idx = get_global_id(0);\n"
+ " vb[idx] = v;\n"
+ "}\n";
Program program = clContext.createProgramFromSourceCode(source);
program.build();
program.register();
kernel = program.createKernel("Fill");
kernel.register();
buffer = clContext.createBuffer(4);
buffer.register();
flyCam.setEnabled(false);
inputManager.setCursorVisible(true);
BitmapFont fnt = assetManager.loadFont("Interface/Fonts/Default.fnt");
infoText = new BitmapText(fnt, false);
//infoText.setBox(new Rectangle(0, 0, settings.getWidth(), settings.getHeight()));
infoText.setText("Device: "+clContext.getDevices());
infoText.setLocalTranslation(0, settings.getHeight(), 0);
guiNode.attachChild(infoText);
statusText = new BitmapText(fnt, false);
//statusText.setBox(new Rectangle(0, 0, settings.getWidth(), settings.getHeight()));
statusText.setText("Running");
statusText.setLocalTranslation(0, settings.getHeight() - infoText.getHeight() - 2, 0);
guiNode.attachChild(statusText);
}
@Override
public void simpleUpdate(float tpf) {
//call kernel to test if it is still working
if (!failed) {
try {
kernel.Run1NoEvent(clQueue, new Kernel.WorkSize(1), buffer, 1.0f);
} catch (OpenCLException ex) {
LOG.log(Level.SEVERE, "Kernel call not working anymore", ex);
failed = true;
statusText.setText("Failed");
}
}
}
}