BufferUtils (LWJGL API)

java.lang.Object
- org.lwjgl.BufferUtils

```
public final class BufferUtils
extends java.lang.Object
```
Some often-used Buffer code for creating native buffers of the appropriate size.

Version:

$Revision$ $Id$

Author:

$Author$

Constructor Summary

Constructors
Constructor and Description

BufferUtils()

Constructors
Constructor and Description
`BufferUtils()`

Method Summary

Methods
Modifier and Type	Method and Description
`static java.nio.ByteBuffer`	`createByteBuffer(int size)` Construct a direct native-ordered bytebuffer with the specified size.
`static java.nio.CharBuffer`	`createCharBuffer(int size)` Construct a direct native-order charbuffer with the specified number of elements.
`static java.nio.DoubleBuffer`	`createDoubleBuffer(int size)` Construct a direct native-order doublebuffer with the specified number of elements.
`static java.nio.FloatBuffer`	`createFloatBuffer(int size)` Construct a direct native-order floatbuffer with the specified number of elements.
`static java.nio.IntBuffer`	`createIntBuffer(int size)` Construct a direct native-order intbuffer with the specified number of elements.
`static java.nio.LongBuffer`	`createLongBuffer(int size)` Construct a direct native-order longbuffer with the specified number of elements.
`static PointerBuffer`	`createPointerBuffer(int size)` Construct a PointerBuffer with the specified number of elements.
`static java.nio.ShortBuffer`	`createShortBuffer(int size)` Construct a direct native-order shortbuffer with the specified number of elements.
`static int`	`getElementSizeExponent(java.nio.Buffer buf)`
`static int`	`getOffset(java.nio.Buffer buffer)` A helper function which is used to get the byte offset in an arbitrary buffer based on its position
`static void`	`zeroBuffer(java.nio.ByteBuffer b)` Fill buffer with zeros from position to remaining
`static void`	`zeroBuffer(java.nio.CharBuffer b)` Fill buffer with zeros from position to remaining
`static void`	`zeroBuffer(java.nio.DoubleBuffer b)` Fill buffer with zeros from position to remaining
`static void`	`zeroBuffer(java.nio.FloatBuffer b)` Fill buffer with zeros from position to remaining
`static void`	`zeroBuffer(java.nio.IntBuffer b)` Fill buffer with zeros from position to remaining
`static void`	`zeroBuffer(java.nio.LongBuffer b)` Fill buffer with zeros from position to remaining
`static void`	`zeroBuffer(java.nio.ShortBuffer b)` Fill buffer with zeros from position to remaining

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - BufferUtils
```
public BufferUtils()
```
- Method Detail
  - createByteBuffer
```
public static java.nio.ByteBuffer createByteBuffer(int size)
```
    Construct a direct native-ordered bytebuffer with the specified size.
    
    Parameters:
    size - The size, in bytes
    
    Returns:
    a ByteBuffer
  - createShortBuffer
```
public static java.nio.ShortBuffer createShortBuffer(int size)
```
    Construct a direct native-order shortbuffer with the specified number of elements.
    
    Parameters:
    size - The size, in shorts
    
    Returns:
    a ShortBuffer
  - createCharBuffer
```
public static java.nio.CharBuffer createCharBuffer(int size)
```
    Construct a direct native-order charbuffer with the specified number of elements.
    
    Parameters:
    size - The size, in chars
    
    Returns:
    an CharBuffer
  - createIntBuffer
```
public static java.nio.IntBuffer createIntBuffer(int size)
```
    Construct a direct native-order intbuffer with the specified number of elements.
    
    Parameters:
    size - The size, in ints
    
    Returns:
    an IntBuffer
  - createLongBuffer
```
public static java.nio.LongBuffer createLongBuffer(int size)
```
    Construct a direct native-order longbuffer with the specified number of elements.
    
    Parameters:
    size - The size, in longs
    
    Returns:
    an LongBuffer
  - createFloatBuffer
```
public static java.nio.FloatBuffer createFloatBuffer(int size)
```
    Construct a direct native-order floatbuffer with the specified number of elements.
    
    Parameters:
    size - The size, in floats
    
    Returns:
    a FloatBuffer
  - createDoubleBuffer
```
public static java.nio.DoubleBuffer createDoubleBuffer(int size)
```
    Construct a direct native-order doublebuffer with the specified number of elements.
    
    Parameters:
    size - The size, in floats
    
    Returns:
    a FloatBuffer
  - createPointerBuffer
```
public static PointerBuffer createPointerBuffer(int size)
```
    Construct a PointerBuffer with the specified number of elements.
    
    Parameters:
    size - The size, in memory addresses
    
    Returns:
    a PointerBuffer
  - getElementSizeExponent
```
public static int getElementSizeExponent(java.nio.Buffer buf)
```
    Returns:
    n, where buffer_element_size=2^n.
  - getOffset
```
public static int getOffset(java.nio.Buffer buffer)
```
    A helper function which is used to get the byte offset in an arbitrary buffer based on its position
    
    Returns:
    the position of the buffer, in BYTES
  - zeroBuffer
```
public static void zeroBuffer(java.nio.ByteBuffer b)
```
    Fill buffer with zeros from position to remaining
  - zeroBuffer
```
public static void zeroBuffer(java.nio.ShortBuffer b)
```
    Fill buffer with zeros from position to remaining
  - zeroBuffer
```
public static void zeroBuffer(java.nio.CharBuffer b)
```
    Fill buffer with zeros from position to remaining
  - zeroBuffer
```
public static void zeroBuffer(java.nio.IntBuffer b)
```
    Fill buffer with zeros from position to remaining
  - zeroBuffer
```
public static void zeroBuffer(java.nio.FloatBuffer b)
```
    Fill buffer with zeros from position to remaining
  - zeroBuffer
```
public static void zeroBuffer(java.nio.LongBuffer b)
```
    Fill buffer with zeros from position to remaining
  - zeroBuffer
```
public static void zeroBuffer(java.nio.DoubleBuffer b)
```
    Fill buffer with zeros from position to remaining

Class BufferUtils

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

BufferUtils

Method Detail

createByteBuffer

createShortBuffer

createCharBuffer

createIntBuffer

createLongBuffer

createFloatBuffer

createDoubleBuffer

createPointerBuffer

getElementSizeExponent

getOffset

zeroBuffer

zeroBuffer

zeroBuffer

zeroBuffer

zeroBuffer

zeroBuffer

zeroBuffer