Example usage for java.nio ByteBuffer allocateDirect

Introduction

In this page you can find the example usage for java.nio ByteBuffer allocateDirect.

Prototype

public static ByteBuffer allocateDirect(int capacity)

Source Link

Document

Creates a direct byte buffer based on a newly allocated memory block.

Usage

From source file:Main.java

public static ByteBuffer buildByteBuffer(byte[] array) {
    ByteBuffer byteBuffer = ByteBuffer.allocateDirect(array.length);
    byteBuffer.put(array);/*  www. jav a2s.  com*/
    byteBuffer.position(0);
    return byteBuffer;
}

From source file:Main.java

public static ByteBuffer createByteBuffer(int count) {
    ByteBuffer data = ByteBuffer.allocateDirect(count * 4);
    data.order(ByteOrder.nativeOrder());
    return data;/*  ww w  .  j ava 2 s  .  c  o m*/
}

From source file:Main.java

public static IntBuffer getIntBuffer(int[] coords) {
    ByteBuffer bb = ByteBuffer.allocateDirect(coords.length * 4);
    bb.order(ByteOrder.nativeOrder());
    IntBuffer intBuffer = bb.asIntBuffer();
    intBuffer.put(coords);/*from w w w .  ja v  a2  s.co m*/
    intBuffer.position(0);
    return intBuffer;
}

From source file:Main.java

public static FloatBuffer FloatToBuffer(float[] array) {
    FloatBuffer fb = ByteBuffer.allocateDirect(array.length * 4).order(ByteOrder.nativeOrder()).asFloatBuffer();

    fb.put(array).position(0);/*from   w w  w . j  av  a2s .  c  o  m*/

    return fb;
}

From source file:Main.java

public static FloatBuffer arrayToBuffer(float[] arr) {
    FloatBuffer buffer = ByteBuffer.allocateDirect(arr.length * 4).order(ByteOrder.nativeOrder())
            .asFloatBuffer();//w ww . jav a 2  s  .  co  m
    buffer.put(arr).position(0);
    return buffer;
}

From source file:Main.java

public static IntBuffer getBufferFromIntArray(int[] array) {
    IntBuffer result = ByteBuffer.allocateDirect(array.length * 4).order(ByteOrder.nativeOrder()).asIntBuffer();
    result.put(array).position(0);/*w  ww .  j a  v  a 2  s . c  o  m*/
    return result;
}

From source file:Main.java

public static ShortBuffer getShortBuffer(short[] coords) {
    ByteBuffer bb = ByteBuffer.allocateDirect(coords.length * 2);
    bb.order(ByteOrder.nativeOrder());
    ShortBuffer shortBuffer = bb.asShortBuffer();
    shortBuffer.put(coords);//from w ww. ja  va  2s. com
    shortBuffer.position(0);
    return shortBuffer;
}

From source file:Main.java

public static FloatBuffer createFloatBuffer(int floatCount) {
    ByteBuffer data = ByteBuffer.allocateDirect(floatCount * 4);
    data.order(ByteOrder.nativeOrder());
    FloatBuffer p1 = data.asFloatBuffer();
    return p1;/*from   w  w w  .  j  av  a  2s .  com*/
}

From source file:Main.java

public static FloatBuffer makeFloatBuffer(int i_len) {
    ByteBuffer bb = ByteBuffer.allocateDirect(i_len * 4);
    bb.order(ByteOrder.nativeOrder());
    FloatBuffer fb = bb.asFloatBuffer();
    fb.position(0);//from ww  w. j  a v a2s  . co m
    return fb;
}

From source file:Main.java

public static ShortBuffer createShortBuffer(int shortCount) {
    ByteBuffer data = ByteBuffer.allocateDirect(shortCount * 4);
    data.order(ByteOrder.nativeOrder());
    ShortBuffer p1 = data.asShortBuffer();
    return p1;//from  w  ww  .j a  v a2 s  . c o  m
}