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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributor(s): Campbell Barton
*
* ***** END GPL LICENSE BLOCK *****
*/
/* only include from header */
#ifndef __BLI_ENDIAN_SWITCH_H__
# error "this file isnt to be directly included"
#endif
#ifndef __BLI_ENDIAN_SWITCH_INLINE_H__
#define __BLI_ENDIAN_SWITCH_INLINE_H__
/** \file blender/blenlib/BLI_endian_switch_inline.h
* \ingroup bli
*/
/* note: using a temp char to switch endian is a lot slower,
* use bit shifting instead. */
/* *** 16 *** */
BLI_INLINE void BLI_endian_switch_int16(short *val)
{
short tval = *val;
*val = (tval >> 8) |
(tval << 8);
}
BLI_INLINE void BLI_endian_switch_uint16(unsigned short *val)
{
BLI_endian_switch_int16((short *)val);
}
/* *** 32 *** */
BLI_INLINE void BLI_endian_switch_int32(int *val)
{
int tval = *val;
*val = ((tval >> 24)) |
((tval << 8) & 0x00ff0000) |
((tval >> 8) & 0x0000ff00) |
((tval << 24));
}
BLI_INLINE void BLI_endian_switch_uint32(unsigned int *val)
{
BLI_endian_switch_int32((int *)val);
}
BLI_INLINE void BLI_endian_switch_float(float *val)
{
BLI_endian_switch_int32((int *)val);
}
/* *** 64 *** */
BLI_INLINE void BLI_endian_switch_int64(int64_t *val)
{
int64_t tval = *val;
*val = ((tval >> 56)) |
((tval << 40) & 0x00ff000000000000l) |
((tval << 24) & 0x0000ff0000000000l) |
((tval << 8) & 0x000000ff00000000l) |
((tval >> 8) & 0x00000000ff000000l) |
((tval >> 24) & 0x0000000000ff0000l) |
((tval >> 40) & 0x000000000000ff00l) |
((tval << 56));
}
BLI_INLINE void BLI_endian_switch_uint64(uint64_t *val)
{
BLI_endian_switch_int64((int64_t *)val);
}
BLI_INLINE void BLI_endian_switch_double(double *val)
{
BLI_endian_switch_int64((int64_t *)val);
}
#endif /* __BLI_ENDIAN_SWITCH_INLINE_H__ */
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