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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
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Checked in the following released items:
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Diffstat (limited to 'xorg-server/glx/glxbyteorder.h')
-rw-r--r--xorg-server/glx/glxbyteorder.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/xorg-server/glx/glxbyteorder.h b/xorg-server/glx/glxbyteorder.h
new file mode 100644
index 000000000..cdf6b15f0
--- /dev/null
+++ b/xorg-server/glx/glxbyteorder.h
@@ -0,0 +1,61 @@
+/*
+ * (C) Copyright IBM Corporation 2006, 2007
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, THE AUTHORS, AND/OR THEIR SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
+ * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file glxbyteorder.h
+ * Platform glue for handling byte-ordering issues in GLX protocol.
+ *
+ * \author Ian Romanick <idr@us.ibm.com>
+ */
+#if !defined(__GLXBYTEORDER_H__)
+#define __GLXBYTEORDER_H__
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#if HAVE_BYTESWAP_H
+#include <byteswap.h>
+#elif defined(USE_SYS_ENDIAN_H)
+#include <sys/endian.h>
+#elif defined(__APPLE__)
+#include <libkern/OSByteOrder.h>
+#define bswap_16 OSSwapInt16
+#define bswap_32 OSSwapInt32
+#define bswap_64 OSSwapInt64
+#else
+#define bswap_16(value) \
+ ((((value) & 0xff) << 8) | ((value) >> 8))
+
+#define bswap_32(value) \
+ (((uint32_t)bswap_16((uint16_t)((value) & 0xffff)) << 16) | \
+ (uint32_t)bswap_16((uint16_t)((value) >> 16)))
+
+#define bswap_64(value) \
+ (((uint64_t)bswap_32((uint32_t)((value) & 0xffffffff)) \
+ << 32) | \
+ (uint64_t)bswap_32((uint32_t)((value) >> 32)))
+#endif
+
+#endif /* !defined(__GLXBYTEORDER_H__) */