1706f2543Smrg/* 2706f2543Smrg * (C) Copyright IBM Corporation 2006, 2007 3706f2543Smrg * All Rights Reserved. 4706f2543Smrg * 5706f2543Smrg * Permission is hereby granted, free of charge, to any person obtaining a 6706f2543Smrg * copy of this software and associated documentation files (the "Software"), 7706f2543Smrg * to deal in the Software without restriction, including without limitation 8706f2543Smrg * the rights to use, copy, modify, merge, publish, distribute, sub license, 9706f2543Smrg * and/or sell copies of the Software, and to permit persons to whom the 10706f2543Smrg * Software is furnished to do so, subject to the following conditions: 11706f2543Smrg * 12706f2543Smrg * The above copyright notice and this permission notice (including the next 13706f2543Smrg * paragraph) shall be included in all copies or substantial portions of the 14706f2543Smrg * Software. 15706f2543Smrg * 16706f2543Smrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17706f2543Smrg * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18706f2543Smrg * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 19706f2543Smrg * THE COPYRIGHT HOLDERS, THE AUTHORS, AND/OR THEIR SUPPLIERS BE LIABLE FOR 20706f2543Smrg * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 21706f2543Smrg * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE 22706f2543Smrg * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23706f2543Smrg */ 24706f2543Smrg 25706f2543Smrg/** 26706f2543Smrg * \file glxbyteorder.h 27706f2543Smrg * Platform glue for handling byte-ordering issues in GLX protocol. 28706f2543Smrg * 29706f2543Smrg * \author Ian Romanick <idr@us.ibm.com> 30706f2543Smrg */ 31706f2543Smrg#if !defined(__GLXBYTEORDER_H__) 32706f2543Smrg#define __GLXBYTEORDER_H__ 33706f2543Smrg 34706f2543Smrg#ifdef HAVE_DIX_CONFIG_H 35706f2543Smrg#include <dix-config.h> 36706f2543Smrg#endif 37706f2543Smrg 38706f2543Smrg#if HAVE_BYTESWAP_H 39706f2543Smrg#include <byteswap.h> 40706f2543Smrg#elif defined(USE_SYS_ENDIAN_H) 41706f2543Smrg#include <sys/endian.h> 42706f2543Smrg#elif defined(__APPLE__) 43706f2543Smrg#include <libkern/OSByteOrder.h> 44706f2543Smrg#define bswap_16 OSSwapInt16 45706f2543Smrg#define bswap_32 OSSwapInt32 46706f2543Smrg#define bswap_64 OSSwapInt64 47706f2543Smrg#else 48706f2543Smrg#define bswap_16(value) \ 49706f2543Smrg ((((value) & 0xff) << 8) | ((value) >> 8)) 50706f2543Smrg 51706f2543Smrg#define bswap_32(value) \ 52706f2543Smrg (((uint32_t)bswap_16((uint16_t)((value) & 0xffff)) << 16) | \ 53706f2543Smrg (uint32_t)bswap_16((uint16_t)((value) >> 16))) 54706f2543Smrg 55706f2543Smrg#define bswap_64(value) \ 56706f2543Smrg (((uint64_t)bswap_32((uint32_t)((value) & 0xffffffff)) \ 57706f2543Smrg << 32) | \ 58706f2543Smrg (uint64_t)bswap_32((uint32_t)((value) >> 32))) 59706f2543Smrg#endif 60706f2543Smrg 61706f2543Smrg#endif /* !defined(__GLXBYTEORDER_H__) */ 62