Example usage for java.nio FloatBuffer put

Introduction

In this page you can find the example usage for java.nio FloatBuffer put.

Prototype

public FloatBuffer put(FloatBuffer src)

Source Link

Document

Writes all the remaining floats of the src float buffer to this buffer's current position, and increases both buffers' position by the number of floats copied.

Usage

From source file:Main.java

public static FloatBuffer toFloatBuffer(final float[] data) {
    final FloatBuffer buffer = ByteBuffer.allocateDirect(data.length * FLOAT_SIZE_BYTES)
            .order(ByteOrder.nativeOrder()).asFloatBuffer();
    buffer.put(data).position(0);
    return buffer;
}

From source file:Main.java

public static FloatBuffer createFloatBuffer(FloatBuffer buffer) {
    FloatBuffer dest = createFloatBuffer(buffer.capacity());
    dest.clear();//from w w w.  jav  a2 s  . c o  m
    dest.put(buffer);
    dest.position(0);
    return dest;
}

From source file:Main.java

public static FloatBuffer createFloatBuffer(FloatBuffer buf) {
    FloatBuffer dest = createFloatBuffer(buf.capacity());
    dest.clear();// w w w  .j  a v  a2  s.c o m
    dest.put(buf);
    dest.position(0);
    return dest;
}

From source file:Main.java

public static void copy(final float[] data, final FloatBuffer buf, final int fromPos, final int toPos) {
    buf.position(fromPos);//w w w .  java2 s.  c  o m
    buf.get(data);
    buf.position(toPos);
    buf.put(data);
}

From source file:Main.java

private static final FloatBuffer createDebugColors(int drawMode, int size) {
    ByteBuffer bb = ByteBuffer.allocateDirect(size * 4 * 4);
    bb.order(ByteOrder.nativeOrder());
    FloatBuffer colors = bb.asFloatBuffer();
    if (drawMode == GL10.GL_TRIANGLES) {
        for (int i = 0; i < size * 4; i++) {
            colors.put(triangleColors[i % triangleColors.length]);
        }/*from   w  w w  .j a v  a2s. co  m*/
    } else {
        for (int i = 0; i < size; i++) {
            colors.put(1f);
            colors.put(0f);
            colors.put(1f);
            colors.put(1f);
        }
    }
    colors.rewind();
    return colors;
}

From source file:Main.java

public static FloatBuffer float2Buffer(float[] a) {
    FloatBuffer floatBuffer;
    ByteBuffer bb = ByteBuffer.allocateDirect(a.length * 4);
    bb.order(ByteOrder.nativeOrder());
    floatBuffer = bb.asFloatBuffer();//from w ww.j  a va  2 s.  c o  m
    floatBuffer.put(a);
    floatBuffer.position(0);
    return floatBuffer;
}

From source file:Main.java

/**
 * Copies floats from one position in the buffer to another.
 * //from   ww  w  .j  a  v  a  2  s  . c  o m
 * @param buf
 *            the buffer to copy from/to
 * @param fromPos
 *            the starting point to copy from
 * @param toPos
 *            the starting point to copy to
 * @param length
 *            the number of floats to copy
 */
public static void copyInternal(FloatBuffer buf, int fromPos, int toPos, int length) {
    float[] data = new float[length];
    buf.position(fromPos);
    buf.get(data);
    buf.position(toPos);
    buf.put(data);
}

From source file:Main.java

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

From source file:de.ailis.threedee.utils.BufferUtils.java

/**
 * Converts the specified float buffer to native endian and returns this new
 * buffer. If buffer is already in correct endian format then it is returned
 * right away./*from  w w  w . j  av a  2 s .c  o m*/
 *
 * @param buffer
 *            The float buffer to convert
 * @return The converted float buffer or the source buffer if no conversion
 *         is needed
 */

public static FloatBuffer convertToNativeEndian(final FloatBuffer buffer) {
    if (buffer.order() == ByteOrder.nativeOrder())
        return buffer;

    if (log.isTraceEnabled())
        log.trace("Converting endianess of " + buffer.capacity() + " floats");

    final ByteBuffer bytes = ByteBuffer.allocateDirect(buffer.capacity());
    bytes.order(ByteOrder.nativeOrder());
    final FloatBuffer floats = bytes.asFloatBuffer();
    floats.put(buffer).rewind();
    return floats;
}

From source file:Main.java

public static FloatBuffer ensureLargeEnough(FloatBuffer buf, final int required) {
    if (buf == null || (buf.remaining() < required)) {
        final int position = (buf != null ? buf.position() : 0);
        final FloatBuffer newVerts = createFloatBuffer(position + required);
        if (buf != null) {
            buf.rewind();//from   w ww  .  ja  va  2 s  .c o m
            newVerts.put(buf);
            newVerts.position(position);
        }
        buf = newVerts;
    }
    return buf;
}