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

/**
 * @param length// w w w . j a  v  a2s.  com
 * @return A direct, native-order buffer
 */
public static ByteBuffer createByteBuffer(int length) {
    return ByteBuffer.allocateDirect(length).order(ByteOrder.nativeOrder());
}

From source file:Main.java

public static IntBuffer createIndexBuffer(int[] indices) {
    IntBuffer indexBuffer;/* w ww. j  a va 2  s.co m*/

    ByteBuffer bb = ByteBuffer.allocateDirect(indices.length * 4);
    bb.order(ByteOrder.nativeOrder());
    indexBuffer = bb.asIntBuffer();
    indexBuffer.put(indices);
    indexBuffer.position(0);

    return indexBuffer;
}

From source file:Main.java

public static FloatBuffer toFloatBuffer(float[] v) {
    ByteBuffer buff = ByteBuffer.allocateDirect(v.length * 4);
    buff.order(ByteOrder.nativeOrder());
    FloatBuffer buffer = buff.asFloatBuffer();
    buffer.put(v);//from w  w  w . j av  a  2 s.  c o  m
    buffer.position(0);
    return buffer;
}

From source file:Main.java

public static ShortBuffer toShortBuffer(short[] v) {
    ByteBuffer buff = ByteBuffer.allocateDirect(v.length * 2);
    buff.order(ByteOrder.nativeOrder());
    ShortBuffer buffer = buff.asShortBuffer();
    buffer.put(v);/* w  w  w  . ja v  a 2  s . c o m*/
    buffer.position(0);
    return buffer;
}

From source file:Main.java

public static FloatBuffer createFloatBuffer(float[] triangleCoords) {
    FloatBuffer vertexbuffer;//from w  ww  .j a  v  a 2  s. c o m
    ByteBuffer bb = ByteBuffer.allocateDirect(triangleCoords.length * 4);// 9*4
    bb.order(ByteOrder.nativeOrder());
    vertexbuffer = bb.asFloatBuffer();
    vertexbuffer.put(triangleCoords);
    vertexbuffer.position(0);
    return vertexbuffer;
}

From source file:Main.java

public static IntBuffer arrayToIntBuffer(int[] inputArray) {
    IntBuffer iBuf = ByteBuffer.allocateDirect(inputArray.length * BYTES_PER_INT).order(ByteOrder.nativeOrder())
            .asIntBuffer();/*from ww  w  .j a v a2s  . c om*/
    iBuf.put(inputArray).position(0);
    return iBuf;
}

From source file:Main.java

public static ShortBuffer createShortBuffer(short[] shortData) {
    ShortBuffer drawListBuffer;//ww w.j a v  a2 s .  c  om
    ByteBuffer dlb = ByteBuffer.allocateDirect(
            // (# of coordinate values * 2 bytes per short)
            shortData.length * 2);
    dlb.order(ByteOrder.nativeOrder());
    drawListBuffer = dlb.asShortBuffer();
    drawListBuffer.put(shortData);
    drawListBuffer.position(0);
    return drawListBuffer;
}

From source file:Main.java

public static FloatBuffer createFloatBuffer(int size) {
    ByteBuffer buffer = ByteBuffer.allocateDirect(size * BYTES_PER_FLOAT);
    buffer.order(ByteOrder.nativeOrder());
    return buffer.asFloatBuffer();
}

From source file:Main.java

public static ShortBuffer createShortBuffer(short[] data) {
    ShortBuffer sb = ByteBuffer.allocateDirect(data.length * BYTES_PER_SHORT).order(ByteOrder.nativeOrder())
            .asShortBuffer();//from   w  w  w .  ja  v  a2s  .c o m
    sb.put(data).position(0);
    return sb;
}

From source file:Main.java

public static ByteBuffer create(int size) {
    return ByteBuffer.allocateDirect(size).order(ByteOrder.nativeOrder());
}