Examples with Device com.jme3.opencl.Device used on opensource projects

Example 11 with Device

use of com.jme3.opencl.Device in project jmonkeyengine by jMonkeyEngine.

the class TestMultipleApplications method simpleInitApp.

@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);
}

Example 12 with Device

use of com.jme3.opencl.Device in project jmonkeyengine by jMonkeyEngine.

the class LwjglContext method initOpenCL.

@SuppressWarnings("unchecked")
protected void initOpenCL() {
    logger.info("Initialize OpenCL wiht LWJGL2");
    try {
        CL.create();
    } catch (LWJGLException ex) {
        logger.log(Level.SEVERE, "Unable to initialize OpenCL", ex);
        return;
    }
    //load platforms and devices
    StringBuilder platformInfos = new StringBuilder();
    ArrayList<LwjglPlatform> platforms = new ArrayList<>();
    for (CLPlatform p : CLPlatform.getPlatforms()) {
        platforms.add(new LwjglPlatform(p));
    }
    platformInfos.append("Available OpenCL platforms:");
    for (int i = 0; i < platforms.size(); ++i) {
        LwjglPlatform platform = platforms.get(i);
        platformInfos.append("\n * Platform ").append(i + 1);
        platformInfos.append("\n *   Name: ").append(platform.getName());
        platformInfos.append("\n *   Vendor: ").append(platform.getVendor());
        platformInfos.append("\n *   Version: ").append(platform.getVersion());
        platformInfos.append("\n *   Profile: ").append(platform.getProfile());
        platformInfos.append("\n *   Supports interop: ").append(platform.hasOpenGLInterop());
        List<LwjglDevice> devices = platform.getDevices();
        platformInfos.append("\n *   Available devices:");
        for (int j = 0; j < devices.size(); ++j) {
            LwjglDevice device = devices.get(j);
            platformInfos.append("\n *    * Device ").append(j + 1);
            platformInfos.append("\n *    *   Name: ").append(device.getName());
            platformInfos.append("\n *    *   Vendor: ").append(device.getVendor());
            platformInfos.append("\n *    *   Version: ").append(device.getVersion());
            platformInfos.append("\n *    *   Profile: ").append(device.getProfile());
            platformInfos.append("\n *    *   Compiler version: ").append(device.getCompilerVersion());
            platformInfos.append("\n *    *   Device type: ").append(device.getDeviceType());
            platformInfos.append("\n *    *   Compute units: ").append(device.getComputeUnits());
            platformInfos.append("\n *    *   Work group size: ").append(device.getMaxiumWorkItemsPerGroup());
            platformInfos.append("\n *    *   Global memory: ").append(device.getGlobalMemorySize()).append("B");
            platformInfos.append("\n *    *   Local memory: ").append(device.getLocalMemorySize()).append("B");
            platformInfos.append("\n *    *   Constant memory: ").append(device.getMaximumConstantBufferSize()).append("B");
            platformInfos.append("\n *    *   Supports double: ").append(device.hasDouble());
            platformInfos.append("\n *    *   Supports half floats: ").append(device.hasHalfFloat());
            platformInfos.append("\n *    *   Supports writable 3d images: ").append(device.hasWritableImage3D());
            platformInfos.append("\n *    *   Supports interop: ").append(device.hasOpenGLInterop());
        }
    }
    logger.info(platformInfos.toString());
    //choose devices
    PlatformChooser chooser = null;
    if (settings.getOpenCLPlatformChooser() != null) {
        try {
            chooser = (PlatformChooser) Class.forName(settings.getOpenCLPlatformChooser()).newInstance();
        } catch (Exception ex) {
            logger.log(Level.WARNING, "unable to instantiate custom PlatformChooser", ex);
        }
    }
    if (chooser == null) {
        chooser = new DefaultPlatformChooser();
    }
    List<? extends Device> choosenDevices = chooser.chooseDevices(platforms);
    List<CLDevice> devices = new ArrayList<>(choosenDevices.size());
    LwjglPlatform platform = null;
    for (Device d : choosenDevices) {
        if (!(d instanceof LwjglDevice)) {
            logger.log(Level.SEVERE, "attempt to return a custom Device implementation from PlatformChooser: {0}", d);
            return;
        }
        LwjglDevice ld = (LwjglDevice) d;
        if (platform == null) {
            platform = ld.getPlatform();
        } else if (platform != ld.getPlatform()) {
            logger.severe("attempt to use devices from different platforms");
            return;
        }
        devices.add(ld.getDevice());
    }
    if (devices.isEmpty()) {
        logger.warning("no devices specified, no OpenCL context created");
        return;
    }
    clPlatform = platform;
    logger.log(Level.INFO, "chosen platform: {0}", platform.getName());
    logger.log(Level.INFO, "chosen devices: {0}", choosenDevices);
    //create context
    try {
        CLContext c = CLContext.create(platform.getPlatform(), devices, null, Display.getDrawable(), null);
        clContext = new com.jme3.opencl.lwjgl.LwjglContext(c, (List<LwjglDevice>) choosenDevices);
    } catch (LWJGLException ex) {
        logger.log(Level.SEVERE, "Unable to create OpenCL context", ex);
        return;
    }
    logger.info("OpenCL context created");
}

Example 13 with Device

use of com.jme3.opencl.Device in project jmonkeyengine by jMonkeyEngine.

the class VRApplication method start.

@Override
public void start() {
    logger.config("Starting application...");
    // set some default settings in-case
    // settings dialog is not shown
    boolean loadSettings = false;
    if (settings == null) {
        setSettings(new AppSettings(true));
        loadSettings = true;
    }
    GraphicsDevice defDev = null;
    try {
        GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
        defDev = ge.getDefaultScreenDevice();
    } catch (Throwable e1) {
        logger.log(Level.SEVERE, "Cannot access default screen device: " + e1.getMessage(), e1);
    }
    if (isInVR() && !compositorAllowed()) {
        logger.warning("VR Composition is not allowed.");
        // "easy extended" mode
        // TO-DO: JFrame was removed in LWJGL 3, need to use new GLFW library to pick "monitor" display of VR device
        // first, find the VR device
        GraphicsDevice VRdev = null;
        GraphicsDevice[] devs = GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices();
        // pick the display that isn't the default one
        for (GraphicsDevice gd : devs) {
            if (gd != defDev) {
                VRdev = gd;
                break;
            }
        }
        // did we get the VR device?
        if (VRdev != null) {
            // set properties for VR acceleration
            try {
                java.awt.DisplayMode useDM = null;
                int max = 0;
                for (java.awt.DisplayMode dm : VRdev.getDisplayModes()) {
                    int check = dm.getHeight() + dm.getWidth() + dm.getRefreshRate() + dm.getBitDepth();
                    if (check > max) {
                        max = check;
                        useDM = dm;
                    }
                }
                // create a window for the VR device
                settings.setWidth(useDM.getWidth());
                settings.setHeight(useDM.getHeight());
                settings.setBitsPerPixel(useDM.getBitDepth());
                settings.setFrequency(useDM.getRefreshRate());
                settings.setSwapBuffers(true);
                // allow vsync on this display
                settings.setVSync(true);
                setSettings(settings);
                // make sure we are in the right display mode
                if (VRdev.getDisplayMode().equals(useDM) == false) {
                    VRdev.setDisplayMode(useDM);
                }
                // make a blank cursor to hide it
                //BufferedImage cursorImg = new BufferedImage(16, 16, BufferedImage.TYPE_INT_ARGB);
                //Cursor blankCursor = Toolkit.getDefaultToolkit().createCustomCursor(cursorImg, new Point(0, 0), "blank cursor");                    
                //VRwindow.setCursor(blankCursor);
                //jmeCanvas.getCanvas().setCursor(blankCursor);
                //VRwindow.pack();
                //VRwindow.setVisible(true);
                //startCanvas();
                logger.config("Starting application [SUCCESS]");
                return;
            } catch (Exception e) {
                logger.log(Level.SEVERE, "Error during application start: " + e.getMessage(), e);
            }
        }
    }
    if (!isInVR()) {
        logger.config("VR mode disabled.");
        // not in VR, show settings dialog
        if (Platform.get() != Platform.MACOSX) {
            if (!JmeSystem.showSettingsDialog(settings, loadSettings)) {
                logger.config("Starting application [SUCCESS]");
                return;
            }
        } else {
            // GLFW workaround on macs
            settings.setFrequency(defDev.getDisplayMode().getRefreshRate());
            settings.setDepthBits(24);
            settings.setVSync(true);
            // try and read resolution from file in local dir
            File resfile = new File("resolution.txt");
            if (resfile.exists()) {
                try {
                    BufferedReader br = new BufferedReader(new FileReader(resfile));
                    settings.setWidth(Integer.parseInt(br.readLine()));
                    settings.setHeight(Integer.parseInt(br.readLine()));
                    try {
                        settings.setFullscreen(br.readLine().toLowerCase(Locale.ENGLISH).contains("full"));
                    } catch (Exception e) {
                        settings.setFullscreen(false);
                    }
                    br.close();
                } catch (Exception e) {
                    settings.setWidth(1280);
                    settings.setHeight(720);
                }
            } else {
                settings.setWidth(1280);
                settings.setHeight(720);
                settings.setFullscreen(false);
            }
            settings.setResizable(false);
        }
        settings.setSwapBuffers(true);
    } else {
        logger.config("VR mode enabled.");
        // use basic mirroring window, skip settings window
        settings.setWidth(xWin);
        settings.setHeight(yWin);
        settings.setBitsPerPixel(24);
        // never sleep in main loop
        settings.setFrameRate(0);
        settings.setFrequency(VRhardware.getDisplayFrequency());
        settings.setFullscreen(false);
        // stop vsyncing on primary monitor!
        settings.setVSync(false);
        settings.setSwapBuffers(!disableSwapBuffers || VRhardware instanceof OSVR);
        settings.setTitle("Put Headset On Now: " + settings.getTitle());
        settings.setResizable(true);
    }
    if (forceDisableMSAA) {
        logger.config("Disabling multisampling.");
        // disable multisampling, which is more likely to break things than be useful
        settings.setSamples(1);
    }
    // set opengl mode
    if (tryOpenGL3) {
        logger.config("Using LWJGL OpenGL 3 renderer.");
        settings.setRenderer(AppSettings.LWJGL_OPENGL3);
    } else {
        logger.config("Using LWJGL OpenGL 2 renderer.");
        settings.setRenderer(AppSettings.LWJGL_OPENGL2);
    }
    setSettings(settings);
    start(JmeContext.Type.Display, false);
    // disable annoying warnings about GUI stuff being updated, which is normal behavior
    // for late GUI placement for VR purposes
    Logger.getLogger("com.jme3").setLevel(Level.SEVERE);
}