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

Example 46 with com.jme3.opencl

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

the class JoclBuffer method mapAsync.

@Override
public com.jme3.opencl.Buffer.AsyncMapping mapAsync(CommandQueue queue, long size, long offset, MappingAccess access) {
    long q = ((JoclCommandQueue) queue).id;
    Utils.pointers[0].rewind();
    Utils.errorBuffer.rewind();
    long flags = Utils.getMappingAccessFlags(access);
    ByteBuffer b = cl.clEnqueueMapBuffer(q, id, CL.CL_FALSE, flags, offset, size, 0, null, Utils.pointers[0], Utils.errorBuffer);
    Utils.checkError(Utils.errorBuffer, "clEnqueueMapBuffer");
    long event = Utils.pointers[0].get(0);
    return new com.jme3.opencl.Buffer.AsyncMapping(new JoclEvent(event), b);
}

Example 47 with com.jme3.opencl

use of com.jme3.opencl 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 48 with com.jme3.opencl

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

the class FbxNode method getPreferredParent.

/**
     * If this geometry node is deformed by a skeleton, this
     * returns the node containing the skeleton.
     * 
     * In jME3, a mesh can be deformed by a skeleton only if it is 
     * a child of the node containing the skeleton. However, this
     * is not a requirement in FBX, so we have to modify the scene graph
     * of the loaded model to adjust for this.
     * This happens automatically in 
     * {@link #createScene(com.jme3.scene.plugins.fbx.node.FbxNode)}.
     * 
     * @return The model this node would like to be a child of, or null
     * if no preferred parent.
     */
public FbxNode getPreferredParent() {
    if (!(nodeAttribute instanceof FbxMesh)) {
        return null;
    }
    FbxMesh fbxMesh = (FbxMesh) nodeAttribute;
    FbxSkinDeformer deformer = fbxMesh.getSkinDeformer();
    FbxNode preferredParent = null;
    if (deformer != null) {
        for (FbxCluster cluster : deformer.getJmeObject()) {
            FbxLimbNode limb = cluster.getLimb();
            if (preferredParent == null) {
                preferredParent = limb.getSkeletonHolder();
            } else if (preferredParent != limb.getSkeletonHolder()) {
                logger.log(Level.WARNING, "A mesh is being deformed by multiple skeletons. " + "Only one skeleton will work, ignoring other skeletons.");
            }
        }
    }
    return preferredParent;
}

Example 49 with com.jme3.opencl

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

the class SceneLoader method parseEntity.

private void parseEntity(Attributes attribs) throws SAXException {
    String name = attribs.getValue("name");
    if (name == null) {
        name = "OgreEntity-" + (++nodeIdx);
    } else {
        name += "-entity";
    }
    String meshFile = attribs.getValue("meshFile");
    if (meshFile == null) {
        throw new SAXException("Required attribute 'meshFile' missing for 'entity' node");
    }
    // TODO: Not currently used
    String materialName = attribs.getValue("materialName");
    if (folderName != null) {
        meshFile = folderName + meshFile;
    }
    // NOTE: append "xml" since its assumed mesh files are binary in dotScene
    meshFile += ".xml";
    entityNode = new com.jme3.scene.Node(name);
    OgreMeshKey meshKey = new OgreMeshKey(meshFile, materialList);
    try {
        try {
            Spatial ogreMesh = (Spatial) meshLoader.load(assetManager.locateAsset(meshKey));
            entityNode.attachChild(ogreMesh);
        } catch (IOException e) {
            throw new AssetNotFoundException(meshKey.toString());
        }
    } catch (AssetNotFoundException ex) {
        if (ex.getMessage().equals(meshFile)) {
            logger.log(Level.WARNING, "Cannot locate {0} for scene {1}", new Object[] { meshKey, key });
            // Attach placeholder asset.
            Spatial model = PlaceholderAssets.getPlaceholderModel(assetManager);
            model.setKey(key);
            entityNode.attachChild(model);
        } else {
            throw ex;
        }
    }
    node.attachChild(entityNode);
    node = null;
}

Example 50 with com.jme3.opencl

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

the class J3MExporter method save.

@Override
public void save(Savable object, OutputStream f) throws IOException {
    if (!(object instanceof Material)) {
        throw new IllegalArgumentException("J3MExporter can only save com.jme3.material.Material class");
    }
    OutputStreamWriter out = new OutputStreamWriter(f, Charset.forName("UTF-8"));
    rootCapsule.clear();
    object.write(this);
    rootCapsule.writeToStream(out);
    out.flush();
}