public class MemUtil { public static FloatBuffer makeFloatBufferFromArray(float[] arr) { ByteBuffer bb = ByteBuffer.allocateDirect(arr.length*4); bb.order(ByteOrder.nativeOrder()); FloatBuffer fb = bb.asFloatBuffer(); fb.put(arr); fb.position(0); return fb; } /** * creates a floatbuffer of the given size. * @param size * @return */ public static FloatBuffer makeFloatBuffer(int size) { ByteBuffer bb = ByteBuffer.allocateDirect(size*4); bb.order(ByteOrder.nativeOrder()); FloatBuffer fb = bb.asFloatBuffer(); fb.position(0);