65fea56f17cd614bc8908264df980a62e1931468vboxsync/*
65fea56f17cd614bc8908264df980a62e1931468vboxsync * (C) Copyright IBM Corporation 2006, 2007
65fea56f17cd614bc8908264df980a62e1931468vboxsync * All Rights Reserved.
65fea56f17cd614bc8908264df980a62e1931468vboxsync *
65fea56f17cd614bc8908264df980a62e1931468vboxsync * Permission is hereby granted, free of charge, to any person obtaining a
65fea56f17cd614bc8908264df980a62e1931468vboxsync * copy of this software and associated documentation files (the "Software"),
65fea56f17cd614bc8908264df980a62e1931468vboxsync * to deal in the Software without restriction, including without limitation
65fea56f17cd614bc8908264df980a62e1931468vboxsync * the rights to use, copy, modify, merge, publish, distribute, sub license,
65fea56f17cd614bc8908264df980a62e1931468vboxsync * and/or sell copies of the Software, and to permit persons to whom the
65fea56f17cd614bc8908264df980a62e1931468vboxsync * Software is furnished to do so, subject to the following conditions:
65fea56f17cd614bc8908264df980a62e1931468vboxsync *
65fea56f17cd614bc8908264df980a62e1931468vboxsync * The above copyright notice and this permission notice (including the next
65fea56f17cd614bc8908264df980a62e1931468vboxsync * paragraph) shall be included in all copies or substantial portions of the
65fea56f17cd614bc8908264df980a62e1931468vboxsync * Software.
65fea56f17cd614bc8908264df980a62e1931468vboxsync *
65fea56f17cd614bc8908264df980a62e1931468vboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
65fea56f17cd614bc8908264df980a62e1931468vboxsync * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
65fea56f17cd614bc8908264df980a62e1931468vboxsync * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
65fea56f17cd614bc8908264df980a62e1931468vboxsync * THE COPYRIGHT HOLDERS, THE AUTHORS, AND/OR THEIR SUPPLIERS BE LIABLE FOR
65fea56f17cd614bc8908264df980a62e1931468vboxsync * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
65fea56f17cd614bc8908264df980a62e1931468vboxsync * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
65fea56f17cd614bc8908264df980a62e1931468vboxsync * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
65fea56f17cd614bc8908264df980a62e1931468vboxsync */
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsync/**
65fea56f17cd614bc8908264df980a62e1931468vboxsync * \file glxbyteorder.h
65fea56f17cd614bc8908264df980a62e1931468vboxsync * Platform glue for handling byte-ordering issues in GLX protocol.
65fea56f17cd614bc8908264df980a62e1931468vboxsync *
65fea56f17cd614bc8908264df980a62e1931468vboxsync * \author Ian Romanick <idr@us.ibm.com>
65fea56f17cd614bc8908264df980a62e1931468vboxsync */
65fea56f17cd614bc8908264df980a62e1931468vboxsync#if !defined(__GLXBYTEORDER_H__)
65fea56f17cd614bc8908264df980a62e1931468vboxsync#define __GLXBYTEORDER_H__
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsync#ifdef HAVE_DIX_CONFIG_H
65fea56f17cd614bc8908264df980a62e1931468vboxsync#include <dix-config.h>
65fea56f17cd614bc8908264df980a62e1931468vboxsync#endif
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsync#if HAVE_BYTESWAP_H
65fea56f17cd614bc8908264df980a62e1931468vboxsync#include <byteswap.h>
65fea56f17cd614bc8908264df980a62e1931468vboxsync#elif defined(USE_SYS_ENDIAN_H)
65fea56f17cd614bc8908264df980a62e1931468vboxsync#include <sys/endian.h>
65fea56f17cd614bc8908264df980a62e1931468vboxsync#elif defined(__APPLE__)
65fea56f17cd614bc8908264df980a62e1931468vboxsync#include <libkern/OSByteOrder.h>
65fea56f17cd614bc8908264df980a62e1931468vboxsync#define bswap_16 OSSwapInt16
65fea56f17cd614bc8908264df980a62e1931468vboxsync#define bswap_32 OSSwapInt32
65fea56f17cd614bc8908264df980a62e1931468vboxsync#define bswap_64 OSSwapInt64
65fea56f17cd614bc8908264df980a62e1931468vboxsync#else
65fea56f17cd614bc8908264df980a62e1931468vboxsync#define bswap_16(value) \
65fea56f17cd614bc8908264df980a62e1931468vboxsync ((((value) & 0xff) << 8) | ((value) >> 8))
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsync#define bswap_32(value) \
65fea56f17cd614bc8908264df980a62e1931468vboxsync (((uint32_t)bswap_16((uint16_t)((value) & 0xffff)) << 16) | \
65fea56f17cd614bc8908264df980a62e1931468vboxsync (uint32_t)bswap_16((uint16_t)((value) >> 16)))
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsync#define bswap_64(value) \
65fea56f17cd614bc8908264df980a62e1931468vboxsync (((uint64_t)bswap_32((uint32_t)((value) & 0xffffffff)) \
65fea56f17cd614bc8908264df980a62e1931468vboxsync << 32) | \
65fea56f17cd614bc8908264df980a62e1931468vboxsync (uint64_t)bswap_32((uint32_t)((value) >> 32)))
65fea56f17cd614bc8908264df980a62e1931468vboxsync#endif
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsync#endif /* !defined(__GLXBYTEORDER_H__) */