1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*****************************************************************************
* *
* PrimeSense PSCommon Library *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of PSCommon. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
#include "XnLib.h"
XN_C_API void* xnOSMalloc(const XnSizeT nAllocSize)
{
// Return a pointer to the requested allocation size
return (malloc(nAllocSize));
}
XN_C_API void* xnOSMallocAligned(const XnSizeT nAllocSize, const XnSizeT nAlignment)
{
// Return a pointer to the aligned requested allocation size
return (_aligned_malloc(nAllocSize, nAlignment));
}
XN_C_API void* xnOSCalloc(const XnSizeT nAllocNum, const XnSizeT nAllocSize)
{
// Return a pointer to the requested allocation size and write zeros on the entire memory block (C Alloc)
return (calloc(nAllocNum, nAllocSize));
}
XN_C_API void* xnOSCallocAligned(const XnSizeT nAllocNum, const XnSizeT nAllocSize, const XnSizeT nAlignment)
{
// Local function variables
void* pMemBlock = NULL;
XnSizeT nBlockSize = nAllocNum * nAllocSize;
// Allocate the aligned memory block
pMemBlock = xnOSMallocAligned(nBlockSize, nAlignment);
// If it succeeded (the returned block wasn't NULL, let's zero it)
if (pMemBlock != NULL)
{
xnOSMemSet(pMemBlock, 0, nBlockSize);
}
return (pMemBlock);
}
XN_C_API void* xnOSRealloc(void* pMemory, const XnSizeT nAllocSize)
{
// Return a pointer to the requested allocation size
return (realloc(pMemory, nAllocSize));
}
XN_C_API void* xnOSReallocAligned(void* pMemory, const XnSizeT nAllocSize, const XnSizeT nAlignment)
{
// Return a pointer to the aligned requested allocation size
return (_aligned_realloc(pMemory, nAllocSize, nAlignment));
}
XN_C_API void* xnOSRecalloc(void* pMemory, const XnSizeT nAllocNum, const XnSizeT nAllocSize)
{
// Return a pointer to the requested allocation size and write zeros on the entire memory block (C Alloc)
return (_recalloc(pMemory, nAllocNum, nAllocSize));
}
XN_C_API void xnOSFree(const void* pMemBlock)
{
// Note: No need to check if pMemBlock is NULL because free is guaranteed to handle this case correctly.
// Free the requested memory block
free ((void*)pMemBlock);
}
XN_C_API void xnOSFreeAligned(const void* pMemBlock)
{
// Note: No need to check if pMemBlock is NULL because free is guaranteed to handle this case correctly.
// Free the requested aligned memory block
_aligned_free((void*)pMemBlock);
}
XN_C_API void xnOSMemCopy(void* pDest, const void* pSource, XnSizeT nCount)
{
memcpy(pDest, pSource, nCount);
}
XN_C_API XnInt32 xnOSMemCmp(const void *pBuf1, const void *pBuf2, XnSizeT nCount)
{
return memcmp(pBuf1, pBuf2, nCount);
}
XN_C_API void xnOSMemSet(void* pDest, XnUInt8 nValue, XnSizeT nCount)
{
memset(pDest, nValue, nCount);
}
XN_C_API void xnOSMemMove(void* pDest, const void* pSource, XnSizeT nCount)
{
memmove(pDest, pSource, nCount);
}
XN_C_API XnUInt64 xnOSEndianSwapUINT64(XnUInt64 nValue)
{
return ((nValue >> 56) ) | ((nValue >> 40) & 0x000000000000ff00ULL) |
((nValue >> 24) & 0x0000000000ff0000ULL) | ((nValue >> 8 ) & 0x00000000ff000000ULL) |
((nValue << 8 ) & 0x000000ff00000000ULL) | ((nValue << 24) & 0x0000ff0000000000ULL) |
((nValue << 40) & 0x00ff000000000000ULL) | ((nValue << 56) );
}
XN_C_API XnUInt32 xnOSEndianSwapUINT32(XnUInt32 nValue)
{
return (nValue>>24) |
((nValue<<8) & 0x00FF0000) |
((nValue>>8) & 0x0000FF00) |
(nValue<<24);
}
XN_C_API XnUInt16 xnOSEndianSwapUINT16(XnUInt16 nValue)
{
return ((nValue>>8) | (nValue<<8));
}
XN_C_API XnFloat xnOSEndianSwapFLOAT(XnFloat fValue)
{
XnUInt32* pnValue = (XnUInt32*)&fValue;
XnUInt32 nValue = xnOSEndianSwapUINT32(*pnValue);
XnFloat* pfValue = (XnFloat*)&nValue;
return *pfValue;
}
|
