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* Copyright (c) 2009-2016 jMonkeyEngine
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* * Redistributions in binary form must reproduce the above copyright
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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package jme3test.opencl;
import com.jme3.app.SimpleApplication;
import com.jme3.niftygui.NiftyJmeDisplay;
import com.jme3.opencl.*;
import com.jme3.system.AppSettings;
import de.lessvoid.nifty.Nifty;
import de.lessvoid.nifty.NiftyEventSubscriber;
import de.lessvoid.nifty.controls.*;
import de.lessvoid.nifty.screen.Screen;
import de.lessvoid.nifty.screen.ScreenController;
import java.util.Collections;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
*
* @author Sebastian Weiss
*/
public class TestContextSwitching extends SimpleApplication implements ScreenController {
private static final Logger LOG = Logger.getLogger(TestContextSwitching.class.getName());
private Nifty nifty;
private Label infoLabel;
private Button applyButton;
private ListBox<String> platformListBox;
private ListBox<String> deviceListBox;
private static String selectedPlatform;
private static String selectedDevice;
private Context clContext;
private static List<? extends Platform> availabePlatforms;
private Buffer testBuffer;
private boolean bufferCreated;
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
new TestContextSwitching().start();
}
public TestContextSwitching() {
AppSettings settings = new AppSettings(true);
settings.setOpenCLSupport(true);
settings.setVSync(true);
settings.setWidth(800);
settings.setHeight(600);
settings.setOpenCLPlatformChooser(CustomPlatformChooser.class);
//settings.setRenderer(AppSettings.JOGL_OPENGL_FORWARD_COMPATIBLE);
setSettings(settings);
setShowSettings(false);
}
@Override
public void simpleInitApp() {
clContext = null;
NiftyJmeDisplay niftyDisplay = NiftyJmeDisplay.newNiftyJmeDisplay(
assetManager,
inputManager,
audioRenderer,
guiViewPort);
nifty = niftyDisplay.getNifty();
nifty.fromXml("jme3test/opencl/ContextSwitchingScreen.xml", "Screen", this);
guiViewPort.addProcessor(niftyDisplay);
inputManager.setCursorVisible(true);
flyCam.setEnabled(false);
}
@Override
public void simpleUpdate(float tpf) {
if (applyButton != null) {
updateInfos();
}
}
@Override
@SuppressWarnings("unchecked")
public void bind(Nifty nifty, Screen screen) {
applyButton = screen.findNiftyControl("ApplyButton", Button.class);
platformListBox = screen.findNiftyControl("PlatformListBox", ListBox.class);
deviceListBox = screen.findNiftyControl("DeviceListBox", ListBox.class);
infoLabel = screen.findNiftyControl("InfoLabel", Label.class);
updateInfos();
platformListBox.clear();
for (Platform p : availabePlatforms) {
platformListBox.addItem(p.getName());
}
platformListBox.selectItem(selectedPlatform);
changePlatform(selectedPlatform);
}
private void updateInfos() {
if (testBuffer == null && clContext != null && !bufferCreated) {
try {
testBuffer = clContext.createBuffer(1024).register();
LOG.info("Test buffer created");
} catch (OpenCLException ex) {
LOG.log(Level.SEVERE, "Unable to create buffer", ex);
}
bufferCreated = true;
}
Context c = context.getOpenCLContext();
if (c == clContext) {
return;
}
clContext = c;
LOG.info("context changed");
testBuffer = null;
bufferCreated = false;
StringBuilder text = new StringBuilder();
text.append("Current context:\n");
text.append(" Platform: ").append(clContext.getDevices().get(0).getPlatform().getName()).append("\n");
text.append(" Device: ").append(clContext.getDevices().get(0).getName()).append("\n");
text.append(" Profile: ").append(clContext.getDevices().get(0).getProfile()).append("\n");
text.append(" Memory: ").append(clContext.getDevices().get(0).getGlobalMemorySize()).append(" B\n");
text.append(" Compute Units: ").append(clContext.getDevices().get(0).getComputeUnits()).append("\n");
infoLabel.setText(text.toString());
}
@NiftyEventSubscriber(id="ApplyButton")
public void onButton(String id, ButtonClickedEvent event) {
LOG.log(Level.INFO, "Change context: platorm={0}, device={1}", new Object[]{selectedPlatform, selectedDevice});
restart();
}
private void changePlatform(String platform) {
selectedPlatform = platform;
Platform p = null;
for (Platform p2 : availabePlatforms) {
if (p2.getName().equals(selectedPlatform)) {
p = p2;
break;
}
}
deviceListBox.clear();
if (p == null) {
return;
}
for (Device d : p.getDevices()) {
deviceListBox.addItem(d.getName());
}
deviceListBox.selectItem(selectedDevice);
}
@NiftyEventSubscriber(id="PlatformListBox")
public void onPlatformChanged(String id, ListBoxSelectionChangedEvent<String> event) {
String p = event.getSelection().isEmpty() ? null : event.getSelection().get(0);
LOG.log(Level.INFO, "Selected platform changed to {0}", p);
selectedPlatform = p;
changePlatform(p);
}
@NiftyEventSubscriber(id="DeviceListBox")
public void onDeviceChanged(String id, ListBoxSelectionChangedEvent<String> event) {
String d = event.getSelection().isEmpty() ? null : event.getSelection().get(0);
LOG.log(Level.INFO, "Selected device changed to {0}", d);
selectedDevice = d;
}
@Override
public void onStartScreen() {
}
@Override
public void onEndScreen() {
}
public static class CustomPlatformChooser implements PlatformChooser {
public CustomPlatformChooser() {}
@Override
public List<? extends Device> chooseDevices(List<? extends Platform> platforms) {
availabePlatforms = platforms;
Platform platform = null;
for (Platform p : platforms) {
if (p.getName().equals(selectedPlatform)) {
platform = p;
break;
}
}
if (platform == null) {
platform = platforms.get(0);
}
selectedPlatform = platform.getName();
Device device = null;
for (Device d : platform.getDevices()) {
if (d.getName().equals(selectedDevice)) {
device = d;
break;
}
}
if (device == null) {
for (Device d : platform.getDevices()) {
if (d.getDeviceType() == Device.DeviceType.GPU) {
device = d;
break;
}
}
}
if (device == null) {
device = platform.getDevices().get(0);
}
selectedDevice = device.getName();
return Collections.singletonList(device);
}
}
}