New buffer utils
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/*
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* Copyright (c) 2002 Light Weight Java Game Library Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'Light Weight Java Game Library' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.nio.FloatBuffer;
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import java.nio.IntBuffer;
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import java.nio.ShortBuffer;
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/**
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* $Id$
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*
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* Some often-used Buffer code for creating native buffers of the appropriate size.
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* @author $Author$
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* @version $Revision$
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*/
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public final class BufferUtils {
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/**
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* Construct a direct native-ordered bytebuffer with the specified size.
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* @param size The size, in bytes
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* @return a ByteBuffer
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*/
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public static ByteBuffer createByteBuffer(int size) {
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return ByteBuffer.allocateDirect(size).order(ByteOrder.nativeOrder());
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}
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/**
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* Construct a direct native-order shortbuffer with the specified number
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* of elements.
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* @param size The size, in shorts
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* @return a ShortBuffer
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*/
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public static ShortBuffer createShortBuffer(int size) {
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return createByteBuffer(size << 1).asShortBuffer();
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}
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/**
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* Construct a direct native-order shortbuffer with the specified number
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* of elements.
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* @param size The size, in shorts
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* @return a ShortBuffer
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*/
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public static IntBuffer createIntBuffer(int size) {
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return createByteBuffer(size << 2).asIntBuffer();
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}
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/**
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* Construct a direct native-order shortbuffer with the specified number
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* of elements.
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* @param size The size, in shorts
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* @return a ShortBuffer
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*/
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public static FloatBuffer createFloatBuffer(int size) {
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return createByteBuffer(size << 2).asFloatBuffer();
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}
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}
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