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opencv/modules/core/src/system.cpp
Maksim Shabunin 771af4f32d Some changes to support mingw-w64 
- IPP is disabled by default when compiler is mingw (couldn't make it
work)
- fixed some warnings
- fixed some `__GNUC__` version checks (for correctness and convenience)
- removed UTF-8 BOM from hough.cpp (fixes #5253)
2015-09-01 00:59:08 +03:00

1360 lines
36 KiB
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/*M///////////////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
// By downloading, copying, installing or using the software you agree to this license.
// If you do not agree to this license, do not download, install,
// copy or use the software.
//
//
// License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
// Copyright (C) 2015, Itseez Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// * The name of the copyright holders may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/
#include "precomp.hpp"
namespace cv {
static Mutex* __initialization_mutex = NULL;
Mutex& getInitializationMutex()
{
if (__initialization_mutex == NULL)
__initialization_mutex = new Mutex();
return *__initialization_mutex;
}
// force initialization (single-threaded environment)
Mutex* __initialization_mutex_initializer = &getInitializationMutex();
} // namespace cv
#ifdef _MSC_VER
# if _MSC_VER >= 1700
# pragma warning(disable:4447) // Disable warning 'main' signature found without threading model
# endif
#endif
#if defined ANDROID || defined __linux__
# include <unistd.h>
# include <fcntl.h>
# include <elf.h>
# include <linux/auxvec.h>
#endif
#if defined WIN32 || defined _WIN32 || defined WINCE
#ifndef _WIN32_WINNT // This is needed for the declaration of TryEnterCriticalSection in winbase.h with Visual Studio 2005 (and older?)
#define _WIN32_WINNT 0x0400 // http://msdn.microsoft.com/en-us/library/ms686857(VS.85).aspx
#endif
#include <windows.h>
#if (_WIN32_WINNT >= 0x0602)
#include <synchapi.h>
#endif
#undef small
#undef min
#undef max
#undef abs
#include <tchar.h>
#if defined _MSC_VER
#if _MSC_VER >= 1400
#include <intrin.h>
#elif defined _M_IX86
static void __cpuid(int* cpuid_data, int)
{
__asm
{
push ebx
push edi
mov edi, cpuid_data
mov eax, 1
cpuid
mov [edi], eax
mov [edi + 4], ebx
mov [edi + 8], ecx
mov [edi + 12], edx
pop edi
pop ebx
}
}
static void __cpuidex(int* cpuid_data, int, int)
{
__asm
{
push edi
mov edi, cpuid_data
mov eax, 7
mov ecx, 0
cpuid
mov [edi], eax
mov [edi + 4], ebx
mov [edi + 8], ecx
mov [edi + 12], edx
pop edi
}
}
#endif
#endif
#ifdef WINRT
#include <wrl/client.h>
#ifndef __cplusplus_winrt
#include <windows.storage.h>
#pragma comment(lib, "runtimeobject.lib")
#endif
std::wstring GetTempPathWinRT()
{
#ifdef __cplusplus_winrt
return std::wstring(Windows::Storage::ApplicationData::Current->TemporaryFolder->Path->Data());
#else
Microsoft::WRL::ComPtr<ABI::Windows::Storage::IApplicationDataStatics> appdataFactory;
Microsoft::WRL::ComPtr<ABI::Windows::Storage::IApplicationData> appdataRef;
Microsoft::WRL::ComPtr<ABI::Windows::Storage::IStorageFolder> storagefolderRef;
Microsoft::WRL::ComPtr<ABI::Windows::Storage::IStorageItem> storageitemRef;
HSTRING str;
HSTRING_HEADER hstrHead;
std::wstring wstr;
if (FAILED(WindowsCreateStringReference(RuntimeClass_Windows_Storage_ApplicationData,
(UINT32)wcslen(RuntimeClass_Windows_Storage_ApplicationData), &hstrHead, &str)))
return wstr;
if (FAILED(RoGetActivationFactory(str, IID_PPV_ARGS(appdataFactory.ReleaseAndGetAddressOf()))))
return wstr;
if (FAILED(appdataFactory->get_Current(appdataRef.ReleaseAndGetAddressOf())))
return wstr;
if (FAILED(appdataRef->get_TemporaryFolder(storagefolderRef.ReleaseAndGetAddressOf())))
return wstr;
if (FAILED(storagefolderRef.As(&storageitemRef)))
return wstr;
str = NULL;
if (FAILED(storageitemRef->get_Path(&str)))
return wstr;
wstr = WindowsGetStringRawBuffer(str, NULL);
WindowsDeleteString(str);
return wstr;
#endif
}
std::wstring GetTempFileNameWinRT(std::wstring prefix)
{
wchar_t guidStr[40];
GUID g;
CoCreateGuid(&g);
wchar_t* mask = L"%08x_%04x_%04x_%02x%02x_%02x%02x%02x%02x%02x%02x";
swprintf(&guidStr[0], sizeof(guidStr)/sizeof(wchar_t), mask,
g.Data1, g.Data2, g.Data3, UINT(g.Data4[0]), UINT(g.Data4[1]),
UINT(g.Data4[2]), UINT(g.Data4[3]), UINT(g.Data4[4]),
UINT(g.Data4[5]), UINT(g.Data4[6]), UINT(g.Data4[7]));
return prefix.append(std::wstring(guidStr));
}
#endif
#else
#include <pthread.h>
#include <sys/time.h>
#include <time.h>
#if defined __MACH__ && defined __APPLE__
#include <mach/mach.h>
#include <mach/mach_time.h>
#endif
#endif
#ifdef _OPENMP
#include "omp.h"
#endif
#include <stdarg.h>
#if defined __linux__ || defined __APPLE__ || defined __EMSCRIPTEN__
#include <unistd.h>
#include <stdio.h>
#include <sys/types.h>
#if defined ANDROID
#include <sys/sysconf.h>
#endif
#endif
#ifdef ANDROID
# include <android/log.h>
#endif
namespace cv
{
Exception::Exception() { code = 0; line = 0; }
Exception::Exception(int _code, const String& _err, const String& _func, const String& _file, int _line)
: code(_code), err(_err), func(_func), file(_file), line(_line)
{
formatMessage();
}
Exception::~Exception() throw() {}
/*!
\return the error description and the context as a text string.
*/
const char* Exception::what() const throw() { return msg.c_str(); }
void Exception::formatMessage()
{
if( func.size() > 0 )
msg = format("%s:%d: error: (%d) %s in function %s\n", file.c_str(), line, code, err.c_str(), func.c_str());
else
msg = format("%s:%d: error: (%d) %s\n", file.c_str(), line, code, err.c_str());
}
struct HWFeatures
{
enum { MAX_FEATURE = CV_HARDWARE_MAX_FEATURE };
HWFeatures(void)
{
memset( have, 0, sizeof(have) );
x86_family = 0;
}
static HWFeatures initialize(void)
{
HWFeatures f;
int cpuid_data[4] = { 0, 0, 0, 0 };
#if defined _MSC_VER && (defined _M_IX86 || defined _M_X64)
__cpuid(cpuid_data, 1);
#elif defined __GNUC__ && (defined __i386__ || defined __x86_64__)
#ifdef __x86_64__
asm __volatile__
(
"movl $1, %%eax\n\t"
"cpuid\n\t"
:[eax]"=a"(cpuid_data[0]),[ebx]"=b"(cpuid_data[1]),[ecx]"=c"(cpuid_data[2]),[edx]"=d"(cpuid_data[3])
:
: "cc"
);
#else
asm volatile
(
"pushl %%ebx\n\t"
"movl $1,%%eax\n\t"
"cpuid\n\t"
"popl %%ebx\n\t"
: "=a"(cpuid_data[0]), "=c"(cpuid_data[2]), "=d"(cpuid_data[3])
:
: "cc"
);
#endif
#endif
f.x86_family = (cpuid_data[0] >> 8) & 15;
if( f.x86_family >= 6 )
{
f.have[CV_CPU_MMX] = (cpuid_data[3] & (1 << 23)) != 0;
f.have[CV_CPU_SSE] = (cpuid_data[3] & (1<<25)) != 0;
f.have[CV_CPU_SSE2] = (cpuid_data[3] & (1<<26)) != 0;
f.have[CV_CPU_SSE3] = (cpuid_data[2] & (1<<0)) != 0;
f.have[CV_CPU_SSSE3] = (cpuid_data[2] & (1<<9)) != 0;
f.have[CV_CPU_FMA3] = (cpuid_data[2] & (1<<12)) != 0;
f.have[CV_CPU_SSE4_1] = (cpuid_data[2] & (1<<19)) != 0;
f.have[CV_CPU_SSE4_2] = (cpuid_data[2] & (1<<20)) != 0;
f.have[CV_CPU_POPCNT] = (cpuid_data[2] & (1<<23)) != 0;
f.have[CV_CPU_AVX] = (((cpuid_data[2] & (1<<28)) != 0)&&((cpuid_data[2] & (1<<27)) != 0));//OS uses XSAVE_XRSTORE and CPU support AVX
// make the second call to the cpuid command in order to get
// information about extended features like AVX2
#if defined _MSC_VER && (defined _M_IX86 || defined _M_X64)
__cpuidex(cpuid_data, 7, 0);
#elif defined __GNUC__ && (defined __i386__ || defined __x86_64__)
#ifdef __x86_64__
asm __volatile__
(
"movl $7, %%eax\n\t"
"movl $0, %%ecx\n\t"
"cpuid\n\t"
:[eax]"=a"(cpuid_data[0]),[ebx]"=b"(cpuid_data[1]),[ecx]"=c"(cpuid_data[2]),[edx]"=d"(cpuid_data[3])
:
: "cc"
);
#else
asm volatile
(
"pushl %%ebx\n\t"
"movl $7,%%eax\n\t"
"movl $0,%%ecx\n\t"
"cpuid\n\t"
"movl %%ebx, %0\n\t"
"popl %%ebx\n\t"
: "=r"(cpuid_data[1]), "=c"(cpuid_data[2])
:
: "cc"
);
#endif
#endif
f.have[CV_CPU_AVX2] = (cpuid_data[1] & (1<<5)) != 0;
f.have[CV_CPU_AVX_512F] = (cpuid_data[1] & (1<<16)) != 0;
f.have[CV_CPU_AVX_512DQ] = (cpuid_data[1] & (1<<17)) != 0;
f.have[CV_CPU_AVX_512IFMA512] = (cpuid_data[1] & (1<<21)) != 0;
f.have[CV_CPU_AVX_512PF] = (cpuid_data[1] & (1<<26)) != 0;
f.have[CV_CPU_AVX_512ER] = (cpuid_data[1] & (1<<27)) != 0;
f.have[CV_CPU_AVX_512CD] = (cpuid_data[1] & (1<<28)) != 0;
f.have[CV_CPU_AVX_512BW] = (cpuid_data[1] & (1<<30)) != 0;
f.have[CV_CPU_AVX_512VL] = (cpuid_data[1] & (1<<31)) != 0;
f.have[CV_CPU_AVX_512VBMI] = (cpuid_data[2] & (1<<1)) != 0;
}
#if defined ANDROID || defined __linux__
#ifdef __aarch64__
f.have[CV_CPU_NEON] = true;
#else
int cpufile = open("/proc/self/auxv", O_RDONLY);
if (cpufile >= 0)
{
Elf32_auxv_t auxv;
const size_t size_auxv_t = sizeof(auxv);
while ((size_t)read(cpufile, &auxv, size_auxv_t) == size_auxv_t)
{
if (auxv.a_type == AT_HWCAP)
{
f.have[CV_CPU_NEON] = (auxv.a_un.a_val & 4096) != 0;
break;
}
}
close(cpufile);
}
#endif
#elif (defined __clang__ || defined __APPLE__) && (defined __ARM_NEON__ || (defined __ARM_NEON && defined __aarch64__))
f.have[CV_CPU_NEON] = true;
#endif
return f;
}
int x86_family;
bool have[MAX_FEATURE+1];
};
static HWFeatures featuresEnabled = HWFeatures::initialize(), featuresDisabled = HWFeatures();
static HWFeatures* currentFeatures = &featuresEnabled;
bool checkHardwareSupport(int feature)
{
CV_DbgAssert( 0 <= feature && feature <= CV_HARDWARE_MAX_FEATURE );
return currentFeatures->have[feature];
}
volatile bool useOptimizedFlag = true;
#ifdef HAVE_IPP
struct IPPInitializer
{
IPPInitializer(void)
{
#if IPP_VERSION_MAJOR >= 8
ippInit();
#else
ippStaticInit();
#endif
}
};
IPPInitializer ippInitializer;
#endif
volatile bool USE_SSE2 = featuresEnabled.have[CV_CPU_SSE2];
volatile bool USE_SSE4_2 = featuresEnabled.have[CV_CPU_SSE4_2];
volatile bool USE_AVX = featuresEnabled.have[CV_CPU_AVX];
volatile bool USE_AVX2 = featuresEnabled.have[CV_CPU_AVX2];
void setUseOptimized( bool flag )
{
useOptimizedFlag = flag;
currentFeatures = flag ? &featuresEnabled : &featuresDisabled;
USE_SSE2 = currentFeatures->have[CV_CPU_SSE2];
ipp::setUseIPP(flag);
ocl::setUseOpenCL(flag);
#ifdef HAVE_TEGRA_OPTIMIZATION
::tegra::setUseTegra(flag);
#endif
}
bool useOptimized(void)
{
return useOptimizedFlag;
}
int64 getTickCount(void)
{
#if defined WIN32 || defined _WIN32 || defined WINCE
LARGE_INTEGER counter;
QueryPerformanceCounter( &counter );
return (int64)counter.QuadPart;
#elif defined __linux || defined __linux__
struct timespec tp;
clock_gettime(CLOCK_MONOTONIC, &tp);
return (int64)tp.tv_sec*1000000000 + tp.tv_nsec;
#elif defined __MACH__ && defined __APPLE__
return (int64)mach_absolute_time();
#else
struct timeval tv;
struct timezone tz;
gettimeofday( &tv, &tz );
return (int64)tv.tv_sec*1000000 + tv.tv_usec;
#endif
}
double getTickFrequency(void)
{
#if defined WIN32 || defined _WIN32 || defined WINCE
LARGE_INTEGER freq;
QueryPerformanceFrequency(&freq);
return (double)freq.QuadPart;
#elif defined __linux || defined __linux__
return 1e9;
#elif defined __MACH__ && defined __APPLE__
static double freq = 0;
if( freq == 0 )
{
mach_timebase_info_data_t sTimebaseInfo;
mach_timebase_info(&sTimebaseInfo);
freq = sTimebaseInfo.denom*1e9/sTimebaseInfo.numer;
}
return freq;
#else
return 1e6;
#endif
}
#if defined __GNUC__ && (defined __i386__ || defined __x86_64__ || defined __ppc__)
#if defined(__i386__)
int64 getCPUTickCount(void)
{
int64 x;
__asm__ volatile (".byte 0x0f, 0x31" : "=A" (x));
return x;
}
#elif defined(__x86_64__)
int64 getCPUTickCount(void)
{
unsigned hi, lo;
__asm__ __volatile__ ("rdtsc" : "=a"(lo), "=d"(hi));
return (int64)lo | ((int64)hi << 32);
}
#elif defined(__ppc__)
int64 getCPUTickCount(void)
{
int64 result = 0;
unsigned upper, lower, tmp;
__asm__ volatile(
"0: \n"
"\tmftbu %0 \n"
"\tmftb %1 \n"
"\tmftbu %2 \n"
"\tcmpw %2,%0 \n"
"\tbne 0b \n"
: "=r"(upper),"=r"(lower),"=r"(tmp)
);
return lower | ((int64)upper << 32);
}
#else
#error "RDTSC not defined"
#endif
#elif defined _MSC_VER && defined WIN32 && defined _M_IX86
int64 getCPUTickCount(void)
{
__asm _emit 0x0f;
__asm _emit 0x31;
}
#else
//#ifdef HAVE_IPP
//int64 getCPUTickCount(void)
//{
// return ippGetCpuClocks();
//}
//#else
int64 getCPUTickCount(void)
{
return getTickCount();
}
//#endif
#endif
const String& getBuildInformation()
{
static String build_info =
#include "version_string.inc"
;
return build_info;
}
String format( const char* fmt, ... )
{
AutoBuffer<char, 1024> buf;
for ( ; ; )
{
va_list va;
va_start(va, fmt);
int bsize = static_cast<int>(buf.size()),
len = vsnprintf((char *)buf, bsize, fmt, va);
va_end(va);
if (len < 0 || len >= bsize)
{
buf.resize(std::max(bsize << 1, len + 1));
continue;
}
return String((char *)buf, len);
}
}
String tempfile( const char* suffix )
{
String fname;
#ifndef WINRT
const char *temp_dir = getenv("OPENCV_TEMP_PATH");
#endif
#if defined WIN32 || defined _WIN32
#ifdef WINRT
RoInitialize(RO_INIT_MULTITHREADED);
std::wstring temp_dir = GetTempPathWinRT();
std::wstring temp_file = GetTempFileNameWinRT(L"ocv");
if (temp_file.empty())
return String();
temp_file = temp_dir.append(std::wstring(L"\\")).append(temp_file);
DeleteFileW(temp_file.c_str());
char aname[MAX_PATH];
size_t copied = wcstombs(aname, temp_file.c_str(), MAX_PATH);
CV_Assert((copied != MAX_PATH) && (copied != (size_t)-1));
fname = String(aname);
RoUninitialize();
#else
char temp_dir2[MAX_PATH] = { 0 };
char temp_file[MAX_PATH] = { 0 };
if (temp_dir == 0 || temp_dir[0] == 0)
{
::GetTempPathA(sizeof(temp_dir2), temp_dir2);
temp_dir = temp_dir2;
}
if(0 == ::GetTempFileNameA(temp_dir, "ocv", 0, temp_file))
return String();
DeleteFileA(temp_file);
fname = temp_file;
#endif
# else
# ifdef ANDROID
//char defaultTemplate[] = "/mnt/sdcard/__opencv_temp.XXXXXX";
char defaultTemplate[] = "/data/local/tmp/__opencv_temp.XXXXXX";
# else
char defaultTemplate[] = "/tmp/__opencv_temp.XXXXXX";
# endif
if (temp_dir == 0 || temp_dir[0] == 0)
fname = defaultTemplate;
else
{
fname = temp_dir;
char ech = fname[fname.size() - 1];
if(ech != '/' && ech != '\\')
fname = fname + "/";
fname = fname + "__opencv_temp.XXXXXX";
}
const int fd = mkstemp((char*)fname.c_str());
if (fd == -1) return String();
close(fd);
remove(fname.c_str());
# endif
if (suffix)
{
if (suffix[0] != '.')
return fname + "." + suffix;
else
return fname + suffix;
}
return fname;
}
static CvErrorCallback customErrorCallback = 0;
static void* customErrorCallbackData = 0;
static bool breakOnError = false;
bool setBreakOnError(bool value)
{
bool prevVal = breakOnError;
breakOnError = value;
return prevVal;
}
void error( const Exception& exc )
{
if (customErrorCallback != 0)
customErrorCallback(exc.code, exc.func.c_str(), exc.err.c_str(),
exc.file.c_str(), exc.line, customErrorCallbackData);
else
{
const char* errorStr = cvErrorStr(exc.code);
char buf[1 << 16];
sprintf( buf, "OpenCV Error: %s (%s) in %s, file %s, line %d",
errorStr, exc.err.c_str(), exc.func.size() > 0 ?
exc.func.c_str() : "unknown function", exc.file.c_str(), exc.line );
fprintf( stderr, "%s\n", buf );
fflush( stderr );
# ifdef __ANDROID__
__android_log_print(ANDROID_LOG_ERROR, "cv::error()", "%s", buf);
# endif
}
if(breakOnError)
{
static volatile int* p = 0;
*p = 0;
}
throw exc;
}
void error(int _code, const String& _err, const char* _func, const char* _file, int _line)
{
error(cv::Exception(_code, _err, _func, _file, _line));
}
CvErrorCallback
redirectError( CvErrorCallback errCallback, void* userdata, void** prevUserdata)
{
if( prevUserdata )
*prevUserdata = customErrorCallbackData;
CvErrorCallback prevCallback = customErrorCallback;
customErrorCallback = errCallback;
customErrorCallbackData = userdata;
return prevCallback;
}
}
CV_IMPL int cvCheckHardwareSupport(int feature)
{
CV_DbgAssert( 0 <= feature && feature <= CV_HARDWARE_MAX_FEATURE );
return cv::currentFeatures->have[feature];
}
CV_IMPL int cvUseOptimized( int flag )
{
int prevMode = cv::useOptimizedFlag;
cv::setUseOptimized( flag != 0 );
return prevMode;
}
CV_IMPL int64 cvGetTickCount(void)
{
return cv::getTickCount();
}
CV_IMPL double cvGetTickFrequency(void)
{
return cv::getTickFrequency()*1e-6;
}
CV_IMPL CvErrorCallback
cvRedirectError( CvErrorCallback errCallback, void* userdata, void** prevUserdata)
{
return cv::redirectError(errCallback, userdata, prevUserdata);
}
CV_IMPL int cvNulDevReport( int, const char*, const char*,
const char*, int, void* )
{
return 0;
}
CV_IMPL int cvStdErrReport( int, const char*, const char*,
const char*, int, void* )
{
return 0;
}
CV_IMPL int cvGuiBoxReport( int, const char*, const char*,
const char*, int, void* )
{
return 0;
}
CV_IMPL int cvGetErrInfo( const char**, const char**, const char**, int* )
{
return 0;
}
CV_IMPL const char* cvErrorStr( int status )
{
static char buf[256];
switch (status)
{
case CV_StsOk : return "No Error";
case CV_StsBackTrace : return "Backtrace";
case CV_StsError : return "Unspecified error";
case CV_StsInternal : return "Internal error";
case CV_StsNoMem : return "Insufficient memory";
case CV_StsBadArg : return "Bad argument";
case CV_StsNoConv : return "Iterations do not converge";
case CV_StsAutoTrace : return "Autotrace call";
case CV_StsBadSize : return "Incorrect size of input array";
case CV_StsNullPtr : return "Null pointer";
case CV_StsDivByZero : return "Division by zero occured";
case CV_BadStep : return "Image step is wrong";
case CV_StsInplaceNotSupported : return "Inplace operation is not supported";
case CV_StsObjectNotFound : return "Requested object was not found";
case CV_BadDepth : return "Input image depth is not supported by function";
case CV_StsUnmatchedFormats : return "Formats of input arguments do not match";
case CV_StsUnmatchedSizes : return "Sizes of input arguments do not match";
case CV_StsOutOfRange : return "One of arguments\' values is out of range";
case CV_StsUnsupportedFormat : return "Unsupported format or combination of formats";
case CV_BadCOI : return "Input COI is not supported";
case CV_BadNumChannels : return "Bad number of channels";
case CV_StsBadFlag : return "Bad flag (parameter or structure field)";
case CV_StsBadPoint : return "Bad parameter of type CvPoint";
case CV_StsBadMask : return "Bad type of mask argument";
case CV_StsParseError : return "Parsing error";
case CV_StsNotImplemented : return "The function/feature is not implemented";
case CV_StsBadMemBlock : return "Memory block has been corrupted";
case CV_StsAssert : return "Assertion failed";
case CV_GpuNotSupported : return "No CUDA support";
case CV_GpuApiCallError : return "Gpu API call";
case CV_OpenGlNotSupported : return "No OpenGL support";
case CV_OpenGlApiCallError : return "OpenGL API call";
};
sprintf(buf, "Unknown %s code %d", status >= 0 ? "status":"error", status);
return buf;
}
CV_IMPL int cvGetErrMode(void)
{
return 0;
}
CV_IMPL int cvSetErrMode(int)
{
return 0;
}
CV_IMPL int cvGetErrStatus(void)
{
return 0;
}
CV_IMPL void cvSetErrStatus(int)
{
}
CV_IMPL void cvError( int code, const char* func_name,
const char* err_msg,
const char* file_name, int line )
{
cv::error(cv::Exception(code, err_msg, func_name, file_name, line));
}
/* function, which converts int to int */
CV_IMPL int
cvErrorFromIppStatus( int status )
{
switch (status)
{
case CV_BADSIZE_ERR: return CV_StsBadSize;
case CV_BADMEMBLOCK_ERR: return CV_StsBadMemBlock;
case CV_NULLPTR_ERR: return CV_StsNullPtr;
case CV_DIV_BY_ZERO_ERR: return CV_StsDivByZero;
case CV_BADSTEP_ERR: return CV_BadStep;
case CV_OUTOFMEM_ERR: return CV_StsNoMem;
case CV_BADARG_ERR: return CV_StsBadArg;
case CV_NOTDEFINED_ERR: return CV_StsError;
case CV_INPLACE_NOT_SUPPORTED_ERR: return CV_StsInplaceNotSupported;
case CV_NOTFOUND_ERR: return CV_StsObjectNotFound;
case CV_BADCONVERGENCE_ERR: return CV_StsNoConv;
case CV_BADDEPTH_ERR: return CV_BadDepth;
case CV_UNMATCHED_FORMATS_ERR: return CV_StsUnmatchedFormats;
case CV_UNSUPPORTED_COI_ERR: return CV_BadCOI;
case CV_UNSUPPORTED_CHANNELS_ERR: return CV_BadNumChannels;
case CV_BADFLAG_ERR: return CV_StsBadFlag;
case CV_BADRANGE_ERR: return CV_StsBadArg;
case CV_BADCOEF_ERR: return CV_StsBadArg;
case CV_BADFACTOR_ERR: return CV_StsBadArg;
case CV_BADPOINT_ERR: return CV_StsBadPoint;
default:
return CV_StsError;
}
}
namespace cv {
bool __termination = false;
}
namespace cv
{
#if defined WIN32 || defined _WIN32 || defined WINCE
struct Mutex::Impl
{
Impl()
{
#if (_WIN32_WINNT >= 0x0600)
::InitializeCriticalSectionEx(&cs, 1000, 0);
#else
::InitializeCriticalSection(&cs);
#endif
refcount = 1;
}
~Impl() { DeleteCriticalSection(&cs); }
void lock() { EnterCriticalSection(&cs); }
bool trylock() { return TryEnterCriticalSection(&cs) != 0; }
void unlock() { LeaveCriticalSection(&cs); }
CRITICAL_SECTION cs;
int refcount;
};
#else
struct Mutex::Impl
{
Impl()
{
pthread_mutexattr_t attr;
pthread_mutexattr_init(&attr);
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&mt, &attr);
pthread_mutexattr_destroy(&attr);
refcount = 1;
}
~Impl() { pthread_mutex_destroy(&mt); }
void lock() { pthread_mutex_lock(&mt); }
bool trylock() { return pthread_mutex_trylock(&mt) == 0; }
void unlock() { pthread_mutex_unlock(&mt); }
pthread_mutex_t mt;
int refcount;
};
#endif
Mutex::Mutex()
{
impl = new Mutex::Impl;
}
Mutex::~Mutex()
{
if( CV_XADD(&impl->refcount, -1) == 1 )
delete impl;
impl = 0;
}
Mutex::Mutex(const Mutex& m)
{
impl = m.impl;
CV_XADD(&impl->refcount, 1);
}
Mutex& Mutex::operator = (const Mutex& m)
{
CV_XADD(&m.impl->refcount, 1);
if( CV_XADD(&impl->refcount, -1) == 1 )
delete impl;
impl = m.impl;
return *this;
}
void Mutex::lock() { impl->lock(); }
void Mutex::unlock() { impl->unlock(); }
bool Mutex::trylock() { return impl->trylock(); }
//////////////////////////////// thread-local storage ////////////////////////////////
#ifdef WIN32
#ifdef _MSC_VER
#pragma warning(disable:4505) // unreferenced local function has been removed
#endif
#ifndef TLS_OUT_OF_INDEXES
#define TLS_OUT_OF_INDEXES ((DWORD)0xFFFFFFFF)
#endif
#endif
// TLS platform abstraction layer
class TlsAbstraction
{
public:
TlsAbstraction();
~TlsAbstraction();
void* GetData() const;
void SetData(void *pData);
private:
#ifdef WIN32
#ifndef WINRT
DWORD tlsKey;
#endif
#else // WIN32
pthread_key_t tlsKey;
#endif
};
#ifdef WIN32
#ifdef WINRT
static __declspec( thread ) void* tlsData = NULL; // using C++11 thread attribute for local thread data
TlsAbstraction::TlsAbstraction() {}
TlsAbstraction::~TlsAbstraction() {}
void* TlsAbstraction::GetData() const
{
return tlsData;
}
void TlsAbstraction::SetData(void *pData)
{
tlsData = pData;
}
#else //WINRT
TlsAbstraction::TlsAbstraction()
{
tlsKey = TlsAlloc();
CV_Assert(tlsKey != TLS_OUT_OF_INDEXES);
}
TlsAbstraction::~TlsAbstraction()
{
TlsFree(tlsKey);
}
void* TlsAbstraction::GetData() const
{
return TlsGetValue(tlsKey);
}
void TlsAbstraction::SetData(void *pData)
{
CV_Assert(TlsSetValue(tlsKey, pData) == TRUE);
}
#endif
#else // WIN32
TlsAbstraction::TlsAbstraction()
{
CV_Assert(pthread_key_create(&tlsKey, NULL) == 0);
}
TlsAbstraction::~TlsAbstraction()
{
CV_Assert(pthread_key_delete(tlsKey) == 0);
}
void* TlsAbstraction::GetData() const
{
return pthread_getspecific(tlsKey);
}
void TlsAbstraction::SetData(void *pData)
{
CV_Assert(pthread_setspecific(tlsKey, pData) == 0);
}
#endif
// Per-thread data structure
struct ThreadData
{
ThreadData()
{
idx = 0;
slots.reserve(32);
}
std::vector<void*> slots; // Data array for a thread
size_t idx; // Thread index in TLS storage. This is not OS thread ID!
};
// Main TLS storage class
class TlsStorage
{
public:
TlsStorage()
{
tlsSlots = 0;
threads.reserve(32);
}
~TlsStorage()
{
for(size_t i = 0; i < threads.size(); i++)
{
if(threads[i])
{
/* Current architecture doesn't allow proper global objects relase, so this check can cause crashes
// Check if all slots were properly cleared
for(size_t j = 0; j < threads[i]->slots.size(); j++)
{
CV_Assert(threads[i]->slots[j] == 0);
}
*/
delete threads[i];
}
}
threads.clear();
}
void releaseThread()
{
AutoLock guard(mtxGlobalAccess);
ThreadData *pTD = (ThreadData*)tls.GetData();
for(size_t i = 0; i < threads.size(); i++)
{
if(pTD == threads[i])
{
threads[i] = 0;
break;
}
}
tls.SetData(0);
delete pTD;
}
// Reserve TLS storage index
size_t reserveSlot()
{
AutoLock guard(mtxGlobalAccess);
tlsSlots++;
return (tlsSlots-1);
}
// Release TLS storage index and pass assosiated data to caller
void releaseSlot(size_t slotIdx, std::vector<void*> &dataVec)
{
AutoLock guard(mtxGlobalAccess);
CV_Assert(tlsSlots > slotIdx);
for(size_t i = 0; i < threads.size(); i++)
{
std::vector<void*>& thread_slots = threads[i]->slots;
if (thread_slots.size() > slotIdx && thread_slots[slotIdx])
{
dataVec.push_back(thread_slots[slotIdx]);
threads[i]->slots[slotIdx] = 0;
}
}
// If we removing last element, decriment slots size to save space
if(tlsSlots-1 == slotIdx)
tlsSlots--;
}
// Get data by TLS storage index
void* getData(size_t slotIdx) const
{
CV_Assert(tlsSlots > slotIdx);
ThreadData* threadData = (ThreadData*)tls.GetData();
if(threadData && threadData->slots.size() > slotIdx)
return threadData->slots[slotIdx];
return NULL;
}
// Set data to storage index
void setData(size_t slotIdx, void* pData)
{
CV_Assert(pData != NULL);
ThreadData* threadData = (ThreadData*)tls.GetData();
if(!threadData)
{
threadData = new ThreadData;
tls.SetData((void*)threadData);
{
AutoLock guard(mtxGlobalAccess);
threadData->idx = threads.size();
threads.push_back(threadData);
}
}
if(slotIdx >= threadData->slots.size())
threadData->slots.resize(slotIdx+1);
threadData->slots[slotIdx] = pData;
}
private:
TlsAbstraction tls; // TLS abstraction layer instance
Mutex mtxGlobalAccess; // Shared objects operation guard
size_t tlsSlots; // TLS storage counter
std::vector<ThreadData*> threads; // Array for all allocated data. Thread data pointers are placed here to allow data cleanup
};
// Create global TLS storage object
static TlsStorage &getTlsStorage()
{
CV_SINGLETON_LAZY_INIT_REF(TlsStorage, new TlsStorage())
}
TLSDataContainer::TLSDataContainer()
{
key_ = (int)getTlsStorage().reserveSlot(); // Reserve key from TLS storage
}
TLSDataContainer::~TLSDataContainer()
{
CV_Assert(key_ == -1); // Key must be released in child object
}
void TLSDataContainer::release()
{
std::vector<void*> data;
data.reserve(32);
getTlsStorage().releaseSlot(key_, data); // Release key and get stored data for proper destruction
for(size_t i = 0; i < data.size(); i++) // Delete all assosiated data
deleteDataInstance(data[i]);
key_ = -1;
}
void* TLSDataContainer::getData() const
{
void* pData = getTlsStorage().getData(key_); // Check if data was already allocated
if(!pData)
{
// Create new data instance and save it to TLS storage
pData = createDataInstance();
getTlsStorage().setData(key_, pData);
}
return pData;
}
TLSData<CoreTLSData>& getCoreTlsData()
{
CV_SINGLETON_LAZY_INIT_REF(TLSData<CoreTLSData>, new TLSData<CoreTLSData>())
}
#if defined CVAPI_EXPORTS && defined WIN32 && !defined WINCE
#ifdef WINRT
#pragma warning(disable:4447) // Disable warning 'main' signature found without threading model
#endif
extern "C"
BOOL WINAPI DllMain(HINSTANCE, DWORD fdwReason, LPVOID lpReserved);
extern "C"
BOOL WINAPI DllMain(HINSTANCE, DWORD fdwReason, LPVOID lpReserved)
{
if (fdwReason == DLL_THREAD_DETACH || fdwReason == DLL_PROCESS_DETACH)
{
if (lpReserved != NULL) // called after ExitProcess() call
{
cv::__termination = true;
}
else
{
// Not allowed to free resources if lpReserved is non-null
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms682583.aspx
cv::deleteThreadAllocData();
cv::getTlsStorage().releaseThread();
}
}
return TRUE;
}
#endif
#ifdef CV_COLLECT_IMPL_DATA
ImplCollector& getImplData()
{
CV_SINGLETON_LAZY_INIT_REF(ImplCollector, new ImplCollector())
}
void setImpl(int flags)
{
cv::AutoLock lock(getImplData().mutex);
getImplData().implFlags = flags;
getImplData().implCode.clear();
getImplData().implFun.clear();
}
void addImpl(int flag, const char* func)
{
cv::AutoLock lock(getImplData().mutex);
getImplData().implFlags |= flag;
if(func) // use lazy collection if name was not specified
{
size_t index = getImplData().implCode.size();
if(!index || (getImplData().implCode[index-1] != flag || getImplData().implFun[index-1].compare(func))) // avoid duplicates
{
getImplData().implCode.push_back(flag);
getImplData().implFun.push_back(func);
}
}
}
int getImpl(std::vector<int> &impl, std::vector<String> &funName)
{
cv::AutoLock lock(getImplData().mutex);
impl = getImplData().implCode;
funName = getImplData().implFun;
return getImplData().implFlags; // return actual flags for lazy collection
}
bool useCollection()
{
return getImplData().useCollection;
}
void setUseCollection(bool flag)
{
cv::AutoLock lock(getImplData().mutex);
getImplData().useCollection = flag;
}
#endif
namespace ipp
{
static int ippStatus = 0; // 0 - all is ok, -1 - IPP functions failed
static const char * funcname = NULL, * filename = NULL;
static int linen = 0;
void setIppStatus(int status, const char * const _funcname, const char * const _filename, int _line)
{
ippStatus = status;
funcname = _funcname;
filename = _filename;
linen = _line;
}
int getIppStatus()
{
return ippStatus;
}
String getIppErrorLocation()
{
return format("%s:%d %s", filename ? filename : "", linen, funcname ? funcname : "");
}
bool useIPP()
{
#ifdef HAVE_IPP
CoreTLSData* data = getCoreTlsData().get();
if(data->useIPP < 0)
{
const char* pIppEnv = getenv("OPENCV_IPP");
if(pIppEnv && (cv::String(pIppEnv) == "disabled"))
data->useIPP = false;
else
data->useIPP = true;
}
return (data->useIPP > 0);
#else
return false;
#endif
}
void setUseIPP(bool flag)
{
CoreTLSData* data = getCoreTlsData().get();
#ifdef HAVE_IPP
data->useIPP = flag;
#else
(void)flag;
data->useIPP = false;
#endif
}
} // namespace ipp
} // namespace cv
#ifdef HAVE_TEGRA_OPTIMIZATION
namespace tegra {
bool useTegra()
{
cv::CoreTLSData* data = cv::getCoreTlsData().get();
if (data->useTegra < 0)
{
const char* pTegraEnv = getenv("OPENCV_TEGRA");
if (pTegraEnv && (cv::String(pTegraEnv) == "disabled"))
data->useTegra = false;
else
data->useTegra = true;
}
return (data->useTegra > 0);
}
void setUseTegra(bool flag)
{
cv::CoreTLSData* data = cv::getCoreTlsData().get();
data->useTegra = flag;
}
} // namespace tegra
#endif
/* End of file. */
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