61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync/*
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * (C) Copyright IBM Corporation 2006, 2007
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * All Rights Reserved.
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync *
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * Permission is hereby granted, free of charge, to any person obtaining a
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * copy of this software and associated documentation files (the "Software"),
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * to deal in the Software without restriction, including without limitation
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * the rights to use, copy, modify, merge, publish, distribute, sub license,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * and/or sell copies of the Software, and to permit persons to whom the
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * Software is furnished to do so, subject to the following conditions:
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync *
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * The above copyright notice and this permission notice (including the next
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * paragraph) shall be included in all copies or substantial portions of the
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * Software.
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync *
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * THE COPYRIGHT HOLDERS, THE AUTHORS, AND/OR THEIR SUPPLIERS BE LIABLE FOR
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync/**
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * \file glxbyteorder.h
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * Platform glue for handling byte-ordering issues in GLX protocol.
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync *
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * \author Ian Romanick <idr@us.ibm.com>
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#if !defined(__GLXBYTEORDER_H__)
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#define __GLXBYTEORDER_H__
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#ifdef HAVE_DIX_CONFIG_H
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#include <dix-config.h>
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#endif
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#if HAVE_BYTESWAP_H
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#include <byteswap.h>
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#elif defined(USE_SYS_ENDIAN_H)
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#include <sys/endian.h>
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#elif defined(__APPLE__)
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#include <libkern/OSByteOrder.h>
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#define bswap_16 OSSwapInt16
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#define bswap_32 OSSwapInt32
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#define bswap_64 OSSwapInt64
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#else
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#define bswap_16(value) \
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync ((((value) & 0xff) << 8) | ((value) >> 8))
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#define bswap_32(value) \
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync (((uint32_t)bswap_16((uint16_t)((value) & 0xffff)) << 16) | \
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync (uint32_t)bswap_16((uint16_t)((value) >> 16)))
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#define bswap_64(value) \
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync (((uint64_t)bswap_32((uint32_t)((value) & 0xffffffff)) \
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync << 32) | \
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync (uint64_t)bswap_32((uint32_t)((value) >> 32)))
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#endif
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#endif /* !defined(__GLXBYTEORDER_H__) */