1 /*M///////////////////////////////////////////////////////////////////////////////////////
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7 // copy or use the software.
11 // For Open Source Computer Vision Library
13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved.
15 // Copyright (C) 2015, Itseez Inc., all rights reserved.
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40 // the use of this software, even if advised of the possibility of such damage.
44 #include "precomp.hpp"
47 #include <opencv2/core/utils/configuration.private.hpp>
48 #include <opencv2/core/utils/trace.private.hpp>
52 static Mutex* __initialization_mutex = NULL;
53 Mutex& getInitializationMutex()
55 if (__initialization_mutex == NULL)
56 __initialization_mutex = new Mutex();
57 return *__initialization_mutex;
59 // force initialization (single-threaded environment)
60 Mutex* __initialization_mutex_initializer = &getInitializationMutex();
66 # pragma warning(disable:4447) // Disable warning 'main' signature found without threading model
70 #if defined __ANDROID__ || defined __linux__ || defined __FreeBSD__ || defined __HAIKU__
74 #if defined __ANDROID__ || defined __linux__
75 # include <linux/auxvec.h>
79 #if defined __ANDROID__ && defined HAVE_CPUFEATURES
80 # include <cpu-features.h>
84 # if defined __PPC64__ && defined __linux__
85 # include "sys/auxv.h"
89 # ifndef PPC_FEATURE2_ARCH_2_07
90 # define PPC_FEATURE2_ARCH_2_07 0x80000000
95 #if defined _WIN32 || defined WINCE
96 #ifndef _WIN32_WINNT // This is needed for the declaration of TryEnterCriticalSection in winbase.h with Visual Studio 2005 (and older?)
97 #define _WIN32_WINNT 0x0400 // http://msdn.microsoft.com/en-us/library/ms686857(VS.85).aspx
100 #if (_WIN32_WINNT >= 0x0602)
101 #include <synchapi.h>
110 #include <wrl/client.h>
111 #ifndef __cplusplus_winrt
112 #include <windows.storage.h>
113 #pragma comment(lib, "runtimeobject.lib")
116 std::wstring GetTempPathWinRT()
118 #ifdef __cplusplus_winrt
119 return std::wstring(Windows::Storage::ApplicationData::Current->TemporaryFolder->Path->Data());
121 Microsoft::WRL::ComPtr<ABI::Windows::Storage::IApplicationDataStatics> appdataFactory;
122 Microsoft::WRL::ComPtr<ABI::Windows::Storage::IApplicationData> appdataRef;
123 Microsoft::WRL::ComPtr<ABI::Windows::Storage::IStorageFolder> storagefolderRef;
124 Microsoft::WRL::ComPtr<ABI::Windows::Storage::IStorageItem> storageitemRef;
126 HSTRING_HEADER hstrHead;
128 if (FAILED(WindowsCreateStringReference(RuntimeClass_Windows_Storage_ApplicationData,
129 (UINT32)wcslen(RuntimeClass_Windows_Storage_ApplicationData), &hstrHead, &str)))
131 if (FAILED(RoGetActivationFactory(str, IID_PPV_ARGS(appdataFactory.ReleaseAndGetAddressOf()))))
133 if (FAILED(appdataFactory->get_Current(appdataRef.ReleaseAndGetAddressOf())))
135 if (FAILED(appdataRef->get_TemporaryFolder(storagefolderRef.ReleaseAndGetAddressOf())))
137 if (FAILED(storagefolderRef.As(&storageitemRef)))
140 if (FAILED(storageitemRef->get_Path(&str)))
142 wstr = WindowsGetStringRawBuffer(str, NULL);
143 WindowsDeleteString(str);
148 std::wstring GetTempFileNameWinRT(std::wstring prefix)
153 wchar_t* mask = L"%08x_%04x_%04x_%02x%02x_%02x%02x%02x%02x%02x%02x";
154 swprintf(&guidStr[0], sizeof(guidStr)/sizeof(wchar_t), mask,
155 g.Data1, g.Data2, g.Data3, UINT(g.Data4[0]), UINT(g.Data4[1]),
156 UINT(g.Data4[2]), UINT(g.Data4[3]), UINT(g.Data4[4]),
157 UINT(g.Data4[5]), UINT(g.Data4[6]), UINT(g.Data4[7]));
159 return prefix.append(std::wstring(guidStr));
165 #include <sys/time.h>
168 #if defined __MACH__ && defined __APPLE__
169 #include <mach/mach.h>
170 #include <mach/mach_time.h>
179 #if defined __linux__ || defined __APPLE__ || defined __EMSCRIPTEN__ || defined __FreeBSD__ || defined __GLIBC__ || defined __HAIKU__
182 #include <sys/types.h>
183 #if defined __ANDROID__
184 #include <sys/sysconf.h>
189 # include <android/log.h>
192 #ifdef DECLARE_CV_CPUID_X86
196 #if defined _MSC_VER && (defined _M_IX86 || defined _M_X64)
197 #if _MSC_VER >= 1400 // MSVS 2005
198 #include <intrin.h> // __cpuidex()
199 #define CV_CPUID_X86 __cpuidex
201 #error "Required MSVS 2005+"
203 #elif defined __GNUC__ && (defined __i386__ || defined __x86_64__)
204 static void cv_cpuid(int* cpuid_data, int reg_eax, int reg_ecx)
206 int __eax = reg_eax, __ebx = 0, __ecx = reg_ecx, __edx = 0;
207 // tested with available compilers (-fPIC -O2 -m32/-m64): https://godbolt.org/
208 #if !defined(__PIC__) \
209 || defined(__x86_64__) || __GNUC__ >= 5 \
210 || defined(__clang__) || defined(__INTEL_COMPILER)
212 : "+a" (__eax), "=b" (__ebx), "+c" (__ecx), "=d" (__edx)
214 #elif defined(__i386__) // ebx may be reserved as the PIC register
215 __asm__("xchg{l}\t{%%}ebx, %1\n\t"
217 "xchg{l}\t{%%}ebx, %1\n\t"
218 : "+a" (__eax), "=&r" (__ebx), "+c" (__ecx), "=d" (__edx)
221 #error "Configuration error"
223 cpuid_data[0] = __eax; cpuid_data[1] = __ebx; cpuid_data[2] = __ecx; cpuid_data[3] = __edx;
225 #define CV_CPUID_X86 cv_cpuid
233 Exception::Exception() { code = 0; line = 0; }
235 Exception::Exception(int _code, const String& _err, const String& _func, const String& _file, int _line)
236 : code(_code), err(_err), func(_func), file(_file), line(_line)
241 Exception::~Exception() throw() {}
244 \return the error description and the context as a text string.
246 const char* Exception::what() const throw() { return msg.c_str(); }
248 void Exception::formatMessage()
250 if( func.size() > 0 )
251 msg = format("OpenCV(%s) %s:%d: error: (%d) %s in function %s\n", CV_VERSION, file.c_str(), line, code, err.c_str(), func.c_str());
253 msg = format("OpenCV(%s) %s:%d: error: (%d) %s\n", CV_VERSION, file.c_str(), line, code, err.c_str());
256 static const char* g_hwFeatureNames[CV_HARDWARE_MAX_FEATURE] = { NULL };
258 static const char* getHWFeatureName(int id)
260 return (id < CV_HARDWARE_MAX_FEATURE) ? g_hwFeatureNames[id] : NULL;
262 static const char* getHWFeatureNameSafe(int id)
264 const char* name = getHWFeatureName(id);
265 return name ? name : "Unknown feature";
270 enum { MAX_FEATURE = CV_HARDWARE_MAX_FEATURE };
272 HWFeatures(bool run_initialize = false)
274 memset( have, 0, sizeof(have[0]) * MAX_FEATURE );
279 static void initializeNames()
281 for (int i = 0; i < CV_HARDWARE_MAX_FEATURE; i++)
283 g_hwFeatureNames[i] = 0;
285 g_hwFeatureNames[CPU_MMX] = "MMX";
286 g_hwFeatureNames[CPU_SSE] = "SSE";
287 g_hwFeatureNames[CPU_SSE2] = "SSE2";
288 g_hwFeatureNames[CPU_SSE3] = "SSE3";
289 g_hwFeatureNames[CPU_SSSE3] = "SSSE3";
290 g_hwFeatureNames[CPU_SSE4_1] = "SSE4.1";
291 g_hwFeatureNames[CPU_SSE4_2] = "SSE4.2";
292 g_hwFeatureNames[CPU_POPCNT] = "POPCNT";
293 g_hwFeatureNames[CPU_FP16] = "FP16";
294 g_hwFeatureNames[CPU_AVX] = "AVX";
295 g_hwFeatureNames[CPU_AVX2] = "AVX2";
296 g_hwFeatureNames[CPU_FMA3] = "FMA3";
298 g_hwFeatureNames[CPU_AVX_512F] = "AVX512F";
299 g_hwFeatureNames[CPU_AVX_512BW] = "AVX512BW";
300 g_hwFeatureNames[CPU_AVX_512CD] = "AVX512CD";
301 g_hwFeatureNames[CPU_AVX_512DQ] = "AVX512DQ";
302 g_hwFeatureNames[CPU_AVX_512ER] = "AVX512ER";
303 g_hwFeatureNames[CPU_AVX_512IFMA] = "AVX512IFMA";
304 g_hwFeatureNames[CPU_AVX_512PF] = "AVX512PF";
305 g_hwFeatureNames[CPU_AVX_512VBMI] = "AVX512VBMI";
306 g_hwFeatureNames[CPU_AVX_512VL] = "AVX512VL";
308 g_hwFeatureNames[CPU_NEON] = "NEON";
310 g_hwFeatureNames[CPU_VSX] = "VSX";
312 g_hwFeatureNames[CPU_AVX512_SKX] = "AVX512-SKX";
315 void initialize(void)
318 if (getenv("OPENCV_DUMP_CONFIG"))
320 fprintf(stderr, "\nOpenCV build configuration is:\n%s\n",
321 cv::getBuildInformation().c_str());
328 int cpuid_data[4] = { 0, 0, 0, 0 };
329 int cpuid_data_ex[4] = { 0, 0, 0, 0 };
331 CV_CPUID_X86(cpuid_data, 1, 0/*unused*/);
333 int x86_family = (cpuid_data[0] >> 8) & 15;
334 if( x86_family >= 6 )
336 have[CV_CPU_MMX] = (cpuid_data[3] & (1<<23)) != 0;
337 have[CV_CPU_SSE] = (cpuid_data[3] & (1<<25)) != 0;
338 have[CV_CPU_SSE2] = (cpuid_data[3] & (1<<26)) != 0;
339 have[CV_CPU_SSE3] = (cpuid_data[2] & (1<<0)) != 0;
340 have[CV_CPU_SSSE3] = (cpuid_data[2] & (1<<9)) != 0;
341 have[CV_CPU_FMA3] = (cpuid_data[2] & (1<<12)) != 0;
342 have[CV_CPU_SSE4_1] = (cpuid_data[2] & (1<<19)) != 0;
343 have[CV_CPU_SSE4_2] = (cpuid_data[2] & (1<<20)) != 0;
344 have[CV_CPU_POPCNT] = (cpuid_data[2] & (1<<23)) != 0;
345 have[CV_CPU_AVX] = (cpuid_data[2] & (1<<28)) != 0;
346 have[CV_CPU_FP16] = (cpuid_data[2] & (1<<29)) != 0;
348 // make the second call to the cpuid command in order to get
349 // information about extended features like AVX2
350 CV_CPUID_X86(cpuid_data_ex, 7, 0);
352 have[CV_CPU_AVX2] = (cpuid_data_ex[1] & (1<<5)) != 0;
354 have[CV_CPU_AVX_512F] = (cpuid_data_ex[1] & (1<<16)) != 0;
355 have[CV_CPU_AVX_512DQ] = (cpuid_data_ex[1] & (1<<17)) != 0;
356 have[CV_CPU_AVX_512IFMA512] = (cpuid_data_ex[1] & (1<<21)) != 0;
357 have[CV_CPU_AVX_512PF] = (cpuid_data_ex[1] & (1<<26)) != 0;
358 have[CV_CPU_AVX_512ER] = (cpuid_data_ex[1] & (1<<27)) != 0;
359 have[CV_CPU_AVX_512CD] = (cpuid_data_ex[1] & (1<<28)) != 0;
360 have[CV_CPU_AVX_512BW] = (cpuid_data_ex[1] & (1<<30)) != 0;
361 have[CV_CPU_AVX_512VL] = (cpuid_data_ex[1] & (1<<31)) != 0;
362 have[CV_CPU_AVX_512VBMI] = (cpuid_data_ex[2] & (1<<1)) != 0;
364 bool have_AVX_OS_support = true;
365 bool have_AVX512_OS_support = true;
366 if (!(cpuid_data[2] & (1<<27)))
367 have_AVX_OS_support = false; // OS uses XSAVE_XRSTORE and CPU support AVX
371 #ifdef _XCR_XFEATURE_ENABLED_MASK // requires immintrin.h
372 xcr0 = (int)_xgetbv(_XCR_XFEATURE_ENABLED_MASK);
373 #elif defined __GNUC__ && (defined __i386__ || defined __x86_64__)
374 __asm__ ("xgetbv\n\t" : "=a" (xcr0) : "c" (0) : "%edx" );
376 if ((xcr0 & 0x6) != 0x6)
377 have_AVX_OS_support = false; // YMM registers
378 if ((xcr0 & 0xe6) != 0xe6)
379 have_AVX512_OS_support = false; // ZMM registers
382 if (!have_AVX_OS_support)
384 have[CV_CPU_AVX] = false;
385 have[CV_CPU_FP16] = false;
386 have[CV_CPU_AVX2] = false;
387 have[CV_CPU_FMA3] = false;
389 if (!have_AVX_OS_support || !have_AVX512_OS_support)
391 have[CV_CPU_AVX_512F] = false;
392 have[CV_CPU_AVX_512BW] = false;
393 have[CV_CPU_AVX_512CD] = false;
394 have[CV_CPU_AVX_512DQ] = false;
395 have[CV_CPU_AVX_512ER] = false;
396 have[CV_CPU_AVX_512IFMA512] = false;
397 have[CV_CPU_AVX_512PF] = false;
398 have[CV_CPU_AVX_512VBMI] = false;
399 have[CV_CPU_AVX_512VL] = false;
402 if (have[CV_CPU_AVX_512F])
404 have[CV_CPU_AVX512_SKX] = have[CV_CPU_AVX_512F] & have[CV_CPU_AVX_512CD] & have[CV_CPU_AVX_512BW] & have[CV_CPU_AVX_512DQ] & have[CV_CPU_AVX_512VL];
407 #endif // CV_CPUID_X86
409 #if defined __ANDROID__ || defined __linux__
411 have[CV_CPU_NEON] = true;
412 have[CV_CPU_FP16] = true;
413 #elif defined __arm__ && defined __ANDROID__
414 #if defined HAVE_CPUFEATURES
415 __android_log_print(ANDROID_LOG_INFO, "OpenCV", "calling android_getCpuFeatures() ...");
416 uint64_t features = android_getCpuFeatures();
417 __android_log_print(ANDROID_LOG_INFO, "OpenCV", "calling android_getCpuFeatures() ... Done (%llx)", features);
418 have[CV_CPU_NEON] = (features & ANDROID_CPU_ARM_FEATURE_NEON) != 0;
419 have[CV_CPU_FP16] = (features & ANDROID_CPU_ARM_FEATURE_VFP_FP16) != 0;
421 __android_log_print(ANDROID_LOG_INFO, "OpenCV", "cpufeatures library is not available for CPU detection");
423 __android_log_print(ANDROID_LOG_INFO, "OpenCV", "- NEON instructions is enabled via build flags");
424 have[CV_CPU_NEON] = true;
426 __android_log_print(ANDROID_LOG_INFO, "OpenCV", "- NEON instructions is NOT enabled via build flags");
429 __android_log_print(ANDROID_LOG_INFO, "OpenCV", "- FP16 instructions is enabled via build flags");
430 have[CV_CPU_FP16] = true;
432 __android_log_print(ANDROID_LOG_INFO, "OpenCV", "- FP16 instructions is NOT enabled via build flags");
435 #elif defined __arm__
436 int cpufile = open("/proc/self/auxv", O_RDONLY);
441 const size_t size_auxv_t = sizeof(auxv);
443 while ((size_t)read(cpufile, &auxv, size_auxv_t) == size_auxv_t)
445 if (auxv.a_type == AT_HWCAP)
447 have[CV_CPU_NEON] = (auxv.a_un.a_val & 4096) != 0;
448 have[CV_CPU_FP16] = (auxv.a_un.a_val & 2) != 0;
456 #elif (defined __clang__ || defined __APPLE__)
457 #if (defined __ARM_NEON__ || (defined __ARM_NEON && defined __aarch64__))
458 have[CV_CPU_NEON] = true;
460 #if (defined __ARM_FP && (((__ARM_FP & 0x2) != 0) && defined __ARM_NEON__))
461 have[CV_CPU_FP16] = true;
466 have[CV_CPU_VSX] = true;
467 #elif (defined __PPC64__ && defined __linux__)
468 uint64 hwcaps = getauxval(AT_HWCAP);
469 uint64 hwcap2 = getauxval(AT_HWCAP2);
470 have[CV_CPU_VSX] = (hwcaps & PPC_FEATURE_PPC_LE && hwcaps & PPC_FEATURE_HAS_VSX && hwcap2 & PPC_FEATURE2_ARCH_2_07);
472 have[CV_CPU_VSX] = false;
475 int baseline_features[] = { CV_CPU_BASELINE_FEATURES };
476 if (!checkFeatures(baseline_features, sizeof(baseline_features) / sizeof(baseline_features[0])))
479 "******************************************************************\n"
481 "* This OpenCV build doesn't support current CPU/HW configuration *\n"
483 "* Use OPENCV_DUMP_CONFIG=1 environment variable for details *\n"
484 "******************************************************************\n");
485 fprintf(stderr, "\nRequired baseline features:\n");
486 checkFeatures(baseline_features, sizeof(baseline_features) / sizeof(baseline_features[0]), true);
487 CV_ErrorNoReturn(cv::Error::StsAssert, "Missing support for required CPU baseline features. Check OpenCV build configuration and required CPU/HW setup.");
490 readSettings(baseline_features, sizeof(baseline_features) / sizeof(baseline_features[0]));
493 bool checkFeatures(const int* features, int count, bool dump = false)
496 for (int i = 0; i < count; i++)
498 int feature = features[i];
503 if (dump) fprintf(stderr, "%s - OK\n", getHWFeatureNameSafe(feature));
508 if (dump) fprintf(stderr, "%s - NOT AVAILABLE\n", getHWFeatureNameSafe(feature));
515 static inline bool isSymbolSeparator(char c)
517 return c == ',' || c == ';' || c == '-';
520 void readSettings(const int* baseline_features, int baseline_count)
523 const char* disabled_features =
525 getenv("OPENCV_CPU_DISABLE");
529 if (disabled_features && disabled_features[0] != 0)
531 const char* start = disabled_features;
534 while (start[0] != 0 && isSymbolSeparator(start[0]))
540 const char* end = start;
541 while (end[0] != 0 && !isSymbolSeparator(end[0]))
547 cv::String feature(start, end);
550 CV_Assert(feature.size() > 0);
553 for (int i = 0; i < CV_HARDWARE_MAX_FEATURE; i++)
555 if (!g_hwFeatureNames[i]) continue;
556 size_t len = strlen(g_hwFeatureNames[i]);
557 if (len != feature.size()) continue;
558 if (feature.compare(g_hwFeatureNames[i]) == 0)
560 bool isBaseline = false;
561 for (int k = 0; k < baseline_count; k++)
563 if (baseline_features[k] == i)
571 if (dump) fprintf(stderr, "OPENCV: Trying to disable baseline CPU feature: '%s'. This has very limited effect, because code optimizations for this feature are executed unconditionally in the most cases.\n", getHWFeatureNameSafe(i));
575 if (dump) fprintf(stderr, "OPENCV: Trying to disable unavailable CPU feature on the current platform: '%s'.\n", getHWFeatureNameSafe(i));
585 if (dump) fprintf(stderr, "OPENCV: Trying to disable unknown CPU feature: '%s'.\n", feature.c_str());
591 bool have[MAX_FEATURE+1];
594 static HWFeatures featuresEnabled(true), featuresDisabled = HWFeatures(false);
595 static HWFeatures* currentFeatures = &featuresEnabled;
597 bool checkHardwareSupport(int feature)
599 CV_DbgAssert( 0 <= feature && feature <= CV_HARDWARE_MAX_FEATURE );
600 return currentFeatures->have[feature];
603 String getHardwareFeatureName(int feature)
605 const char* name = getHWFeatureName(feature);
606 return name ? String(name) : String();
609 volatile bool useOptimizedFlag = true;
611 void setUseOptimized( bool flag )
613 useOptimizedFlag = flag;
614 currentFeatures = flag ? &featuresEnabled : &featuresDisabled;
616 ipp::setUseIPP(flag);
618 ocl::setUseOpenCL(flag);
620 #ifdef HAVE_TEGRA_OPTIMIZATION
621 ::tegra::setUseTegra(flag);
625 bool useOptimized(void)
627 return useOptimizedFlag;
630 int64 getTickCount(void)
632 #if defined _WIN32 || defined WINCE
633 LARGE_INTEGER counter;
634 QueryPerformanceCounter( &counter );
635 return (int64)counter.QuadPart;
636 #elif defined __linux || defined __linux__
638 clock_gettime(CLOCK_MONOTONIC, &tp);
639 return (int64)tp.tv_sec*1000000000 + tp.tv_nsec;
640 #elif defined __MACH__ && defined __APPLE__
641 return (int64)mach_absolute_time();
645 gettimeofday( &tv, &tz );
646 return (int64)tv.tv_sec*1000000 + tv.tv_usec;
650 double getTickFrequency(void)
652 #if defined _WIN32 || defined WINCE
654 QueryPerformanceFrequency(&freq);
655 return (double)freq.QuadPart;
656 #elif defined __linux || defined __linux__
658 #elif defined __MACH__ && defined __APPLE__
659 static double freq = 0;
662 mach_timebase_info_data_t sTimebaseInfo;
663 mach_timebase_info(&sTimebaseInfo);
664 freq = sTimebaseInfo.denom*1e9/sTimebaseInfo.numer;
672 #if defined __GNUC__ && (defined __i386__ || defined __x86_64__ || defined __ppc__)
673 #if defined(__i386__)
675 int64 getCPUTickCount(void)
678 __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x));
681 #elif defined(__x86_64__)
683 int64 getCPUTickCount(void)
686 __asm__ __volatile__ ("rdtsc" : "=a"(lo), "=d"(hi));
687 return (int64)lo | ((int64)hi << 32);
690 #elif defined(__ppc__)
692 int64 getCPUTickCount(void)
695 unsigned upper, lower, tmp;
703 : "=r"(upper),"=r"(lower),"=r"(tmp)
705 return lower | ((int64)upper << 32);
710 #error "RDTSC not defined"
714 #elif defined _MSC_VER && defined _WIN32 && defined _M_IX86
716 int64 getCPUTickCount(void)
725 //int64 getCPUTickCount(void)
727 // return ippGetCpuClocks();
730 int64 getCPUTickCount(void)
732 return getTickCount();
738 const String& getBuildInformation()
740 static String build_info =
741 #include "version_string.inc"
746 String format( const char* fmt, ... )
748 AutoBuffer<char, 1024> buf;
754 int bsize = static_cast<int>(buf.size());
755 int len = cv_vsnprintf((char *)buf, bsize, fmt, va);
758 CV_Assert(len >= 0 && "Check format string for errors");
765 return String((char *)buf, len);
769 String tempfile( const char* suffix )
773 const char *temp_dir = getenv("OPENCV_TEMP_PATH");
778 RoInitialize(RO_INIT_MULTITHREADED);
779 std::wstring temp_dir = GetTempPathWinRT();
781 std::wstring temp_file = GetTempFileNameWinRT(L"ocv");
782 if (temp_file.empty())
785 temp_file = temp_dir.append(std::wstring(L"\\")).append(temp_file);
786 DeleteFileW(temp_file.c_str());
788 char aname[MAX_PATH];
789 size_t copied = wcstombs(aname, temp_file.c_str(), MAX_PATH);
790 CV_Assert((copied != MAX_PATH) && (copied != (size_t)-1));
791 fname = String(aname);
794 char temp_dir2[MAX_PATH] = { 0 };
795 char temp_file[MAX_PATH] = { 0 };
797 if (temp_dir == 0 || temp_dir[0] == 0)
799 ::GetTempPathA(sizeof(temp_dir2), temp_dir2);
800 temp_dir = temp_dir2;
802 if(0 == ::GetTempFileNameA(temp_dir, "ocv", 0, temp_file))
805 DeleteFileA(temp_file);
811 //char defaultTemplate[] = "/mnt/sdcard/__opencv_temp.XXXXXX";
812 char defaultTemplate[] = "/data/local/tmp/__opencv_temp.XXXXXX";
814 char defaultTemplate[] = "/tmp/__opencv_temp.XXXXXX";
817 if (temp_dir == 0 || temp_dir[0] == 0)
818 fname = defaultTemplate;
822 char ech = fname[fname.size() - 1];
823 if(ech != '/' && ech != '\\')
825 fname = fname + "__opencv_temp.XXXXXX";
828 const int fd = mkstemp((char*)fname.c_str());
829 if (fd == -1) return String();
832 remove(fname.c_str());
837 if (suffix[0] != '.')
838 return fname + "." + suffix;
840 return fname + suffix;
845 static ErrorCallback customErrorCallback = 0;
846 static void* customErrorCallbackData = 0;
847 static bool breakOnError = false;
849 bool setBreakOnError(bool value)
851 bool prevVal = breakOnError;
852 breakOnError = value;
856 int cv_snprintf(char* buf, int len, const char* fmt, ...)
860 int res = cv_vsnprintf(buf, len, fmt, va);
865 int cv_vsnprintf(char* buf, int len, const char* fmt, va_list args)
868 if (len <= 0) return len == 0 ? 1024 : -1;
869 int res = _vsnprintf_s(buf, len, _TRUNCATE, fmt, args);
870 // ensure null terminating on VS
871 if (res >= 0 && res < len)
878 buf[len - 1] = 0; // truncate happened
879 return res >= len ? res : (len * 2);
882 return vsnprintf(buf, len, fmt, args);
886 void error( const Exception& exc )
888 if (customErrorCallback != 0)
889 customErrorCallback(exc.code, exc.func.c_str(), exc.err.c_str(),
890 exc.file.c_str(), exc.line, customErrorCallbackData);
893 const char* errorStr = cvErrorStr(exc.code);
896 cv_snprintf(buf, sizeof(buf),
897 "OpenCV(%s) Error: %s (%s) in %s, file %s, line %d",
899 errorStr, exc.err.c_str(), exc.func.size() > 0 ?
900 exc.func.c_str() : "unknown function", exc.file.c_str(), exc.line);
901 fprintf( stderr, "%s\n", buf );
904 __android_log_print(ANDROID_LOG_ERROR, "cv::error()", "%s", buf);
910 static volatile int* p = 0;
917 void error(int _code, const String& _err, const char* _func, const char* _file, int _line)
919 error(cv::Exception(_code, _err, _func, _file, _line));
924 redirectError( ErrorCallback errCallback, void* userdata, void** prevUserdata)
927 *prevUserdata = customErrorCallbackData;
929 ErrorCallback prevCallback = customErrorCallback;
931 customErrorCallback = errCallback;
932 customErrorCallbackData = userdata;
939 CV_IMPL int cvCheckHardwareSupport(int feature)
941 CV_DbgAssert( 0 <= feature && feature <= CV_HARDWARE_MAX_FEATURE );
942 return cv::currentFeatures->have[feature];
945 CV_IMPL int cvUseOptimized( int flag )
947 int prevMode = cv::useOptimizedFlag;
948 cv::setUseOptimized( flag != 0 );
952 CV_IMPL int64 cvGetTickCount(void)
954 return cv::getTickCount();
957 CV_IMPL double cvGetTickFrequency(void)
959 return cv::getTickFrequency()*1e-6;
962 CV_IMPL CvErrorCallback
963 cvRedirectError( CvErrorCallback errCallback, void* userdata, void** prevUserdata)
965 return cv::redirectError(errCallback, userdata, prevUserdata);
968 CV_IMPL int cvNulDevReport( int, const char*, const char*,
969 const char*, int, void* )
974 CV_IMPL int cvStdErrReport( int, const char*, const char*,
975 const char*, int, void* )
980 CV_IMPL int cvGuiBoxReport( int, const char*, const char*,
981 const char*, int, void* )
986 CV_IMPL int cvGetErrInfo( const char**, const char**, const char**, int* )
992 CV_IMPL const char* cvErrorStr( int status )
994 static char buf[256];
998 case CV_StsOk : return "No Error";
999 case CV_StsBackTrace : return "Backtrace";
1000 case CV_StsError : return "Unspecified error";
1001 case CV_StsInternal : return "Internal error";
1002 case CV_StsNoMem : return "Insufficient memory";
1003 case CV_StsBadArg : return "Bad argument";
1004 case CV_StsNoConv : return "Iterations do not converge";
1005 case CV_StsAutoTrace : return "Autotrace call";
1006 case CV_StsBadSize : return "Incorrect size of input array";
1007 case CV_StsNullPtr : return "Null pointer";
1008 case CV_StsDivByZero : return "Division by zero occurred";
1009 case CV_BadStep : return "Image step is wrong";
1010 case CV_StsInplaceNotSupported : return "Inplace operation is not supported";
1011 case CV_StsObjectNotFound : return "Requested object was not found";
1012 case CV_BadDepth : return "Input image depth is not supported by function";
1013 case CV_StsUnmatchedFormats : return "Formats of input arguments do not match";
1014 case CV_StsUnmatchedSizes : return "Sizes of input arguments do not match";
1015 case CV_StsOutOfRange : return "One of arguments\' values is out of range";
1016 case CV_StsUnsupportedFormat : return "Unsupported format or combination of formats";
1017 case CV_BadCOI : return "Input COI is not supported";
1018 case CV_BadNumChannels : return "Bad number of channels";
1019 case CV_StsBadFlag : return "Bad flag (parameter or structure field)";
1020 case CV_StsBadPoint : return "Bad parameter of type CvPoint";
1021 case CV_StsBadMask : return "Bad type of mask argument";
1022 case CV_StsParseError : return "Parsing error";
1023 case CV_StsNotImplemented : return "The function/feature is not implemented";
1024 case CV_StsBadMemBlock : return "Memory block has been corrupted";
1025 case CV_StsAssert : return "Assertion failed";
1026 case CV_GpuNotSupported : return "No CUDA support";
1027 case CV_GpuApiCallError : return "Gpu API call";
1028 case CV_OpenGlNotSupported : return "No OpenGL support";
1029 case CV_OpenGlApiCallError : return "OpenGL API call";
1032 sprintf(buf, "Unknown %s code %d", status >= 0 ? "status":"error", status);
1036 CV_IMPL int cvGetErrMode(void)
1041 CV_IMPL int cvSetErrMode(int)
1046 CV_IMPL int cvGetErrStatus(void)
1051 CV_IMPL void cvSetErrStatus(int)
1056 CV_IMPL void cvError( int code, const char* func_name,
1057 const char* err_msg,
1058 const char* file_name, int line )
1060 cv::error(cv::Exception(code, err_msg, func_name, file_name, line));
1063 /* function, which converts int to int */
1065 cvErrorFromIppStatus( int status )
1069 case CV_BADSIZE_ERR: return CV_StsBadSize;
1070 case CV_BADMEMBLOCK_ERR: return CV_StsBadMemBlock;
1071 case CV_NULLPTR_ERR: return CV_StsNullPtr;
1072 case CV_DIV_BY_ZERO_ERR: return CV_StsDivByZero;
1073 case CV_BADSTEP_ERR: return CV_BadStep;
1074 case CV_OUTOFMEM_ERR: return CV_StsNoMem;
1075 case CV_BADARG_ERR: return CV_StsBadArg;
1076 case CV_NOTDEFINED_ERR: return CV_StsError;
1077 case CV_INPLACE_NOT_SUPPORTED_ERR: return CV_StsInplaceNotSupported;
1078 case CV_NOTFOUND_ERR: return CV_StsObjectNotFound;
1079 case CV_BADCONVERGENCE_ERR: return CV_StsNoConv;
1080 case CV_BADDEPTH_ERR: return CV_BadDepth;
1081 case CV_UNMATCHED_FORMATS_ERR: return CV_StsUnmatchedFormats;
1082 case CV_UNSUPPORTED_COI_ERR: return CV_BadCOI;
1083 case CV_UNSUPPORTED_CHANNELS_ERR: return CV_BadNumChannels;
1084 case CV_BADFLAG_ERR: return CV_StsBadFlag;
1085 case CV_BADRANGE_ERR: return CV_StsBadArg;
1086 case CV_BADCOEF_ERR: return CV_StsBadArg;
1087 case CV_BADFACTOR_ERR: return CV_StsBadArg;
1088 case CV_BADPOINT_ERR: return CV_StsBadPoint;
1096 bool __termination = false;
1102 #if defined _WIN32 || defined WINCE
1108 #if (_WIN32_WINNT >= 0x0600)
1109 ::InitializeCriticalSectionEx(&cs, 1000, 0);
1111 ::InitializeCriticalSection(&cs);
1115 ~Impl() { DeleteCriticalSection(&cs); }
1117 void lock() { EnterCriticalSection(&cs); }
1118 bool trylock() { return TryEnterCriticalSection(&cs) != 0; }
1119 void unlock() { LeaveCriticalSection(&cs); }
1121 CRITICAL_SECTION cs;
1131 pthread_mutexattr_t attr;
1132 pthread_mutexattr_init(&attr);
1133 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1134 pthread_mutex_init(&mt, &attr);
1135 pthread_mutexattr_destroy(&attr);
1139 ~Impl() { pthread_mutex_destroy(&mt); }
1141 void lock() { pthread_mutex_lock(&mt); }
1142 bool trylock() { return pthread_mutex_trylock(&mt) == 0; }
1143 void unlock() { pthread_mutex_unlock(&mt); }
1153 impl = new Mutex::Impl;
1158 if( CV_XADD(&impl->refcount, -1) == 1 )
1163 Mutex::Mutex(const Mutex& m)
1166 CV_XADD(&impl->refcount, 1);
1169 Mutex& Mutex::operator = (const Mutex& m)
1173 CV_XADD(&m.impl->refcount, 1);
1174 if( CV_XADD(&impl->refcount, -1) == 1 )
1181 void Mutex::lock() { impl->lock(); }
1182 void Mutex::unlock() { impl->unlock(); }
1183 bool Mutex::trylock() { return impl->trylock(); }
1186 //////////////////////////////// thread-local storage ////////////////////////////////
1190 #pragma warning(disable:4505) // unreferenced local function has been removed
1192 #ifndef TLS_OUT_OF_INDEXES
1193 #define TLS_OUT_OF_INDEXES ((DWORD)0xFFFFFFFF)
1197 // TLS platform abstraction layer
1198 class TlsAbstraction
1203 void* GetData() const;
1204 void SetData(void *pData);
1212 pthread_key_t tlsKey;
1218 static __declspec( thread ) void* tlsData = NULL; // using C++11 thread attribute for local thread data
1219 TlsAbstraction::TlsAbstraction() {}
1220 TlsAbstraction::~TlsAbstraction() {}
1221 void* TlsAbstraction::GetData() const
1225 void TlsAbstraction::SetData(void *pData)
1230 TlsAbstraction::TlsAbstraction()
1232 tlsKey = TlsAlloc();
1233 CV_Assert(tlsKey != TLS_OUT_OF_INDEXES);
1235 TlsAbstraction::~TlsAbstraction()
1239 void* TlsAbstraction::GetData() const
1241 return TlsGetValue(tlsKey);
1243 void TlsAbstraction::SetData(void *pData)
1245 CV_Assert(TlsSetValue(tlsKey, pData) == TRUE);
1249 TlsAbstraction::TlsAbstraction()
1251 CV_Assert(pthread_key_create(&tlsKey, NULL) == 0);
1253 TlsAbstraction::~TlsAbstraction()
1255 CV_Assert(pthread_key_delete(tlsKey) == 0);
1257 void* TlsAbstraction::GetData() const
1259 return pthread_getspecific(tlsKey);
1261 void TlsAbstraction::SetData(void *pData)
1263 CV_Assert(pthread_setspecific(tlsKey, pData) == 0);
1267 // Per-thread data structure
1276 std::vector<void*> slots; // Data array for a thread
1277 size_t idx; // Thread index in TLS storage. This is not OS thread ID!
1280 // Main TLS storage class
1287 tlsSlots.reserve(32);
1288 threads.reserve(32);
1292 for(size_t i = 0; i < threads.size(); i++)
1296 /* Current architecture doesn't allow proper global objects release, so this check can cause crashes
1298 // Check if all slots were properly cleared
1299 for(size_t j = 0; j < threads[i]->slots.size(); j++)
1301 CV_Assert(threads[i]->slots[j] == 0);
1310 void releaseThread()
1312 AutoLock guard(mtxGlobalAccess);
1313 ThreadData *pTD = (ThreadData*)tls.GetData();
1314 for(size_t i = 0; i < threads.size(); i++)
1316 if(pTD == threads[i])
1326 // Reserve TLS storage index
1327 size_t reserveSlot()
1329 AutoLock guard(mtxGlobalAccess);
1330 CV_Assert(tlsSlotsSize == tlsSlots.size());
1332 // Find unused slots
1333 for(size_t slot = 0; slot < tlsSlotsSize; slot++)
1343 tlsSlots.push_back(1); tlsSlotsSize++;
1344 return tlsSlotsSize - 1;
1347 // Release TLS storage index and pass associated data to caller
1348 void releaseSlot(size_t slotIdx, std::vector<void*> &dataVec, bool keepSlot = false)
1350 AutoLock guard(mtxGlobalAccess);
1351 CV_Assert(tlsSlotsSize == tlsSlots.size());
1352 CV_Assert(tlsSlotsSize > slotIdx);
1354 for(size_t i = 0; i < threads.size(); i++)
1358 std::vector<void*>& thread_slots = threads[i]->slots;
1359 if (thread_slots.size() > slotIdx && thread_slots[slotIdx])
1361 dataVec.push_back(thread_slots[slotIdx]);
1362 thread_slots[slotIdx] = NULL;
1368 tlsSlots[slotIdx] = 0;
1371 // Get data by TLS storage index
1372 void* getData(size_t slotIdx) const
1374 #ifndef CV_THREAD_SANITIZER
1375 CV_Assert(tlsSlotsSize > slotIdx);
1378 ThreadData* threadData = (ThreadData*)tls.GetData();
1379 if(threadData && threadData->slots.size() > slotIdx)
1380 return threadData->slots[slotIdx];
1385 // Gather data from threads by TLS storage index
1386 void gather(size_t slotIdx, std::vector<void*> &dataVec)
1388 AutoLock guard(mtxGlobalAccess);
1389 CV_Assert(tlsSlotsSize == tlsSlots.size());
1390 CV_Assert(tlsSlotsSize > slotIdx);
1392 for(size_t i = 0; i < threads.size(); i++)
1396 std::vector<void*>& thread_slots = threads[i]->slots;
1397 if (thread_slots.size() > slotIdx && thread_slots[slotIdx])
1398 dataVec.push_back(thread_slots[slotIdx]);
1403 // Set data to storage index
1404 void setData(size_t slotIdx, void* pData)
1406 #ifndef CV_THREAD_SANITIZER
1407 CV_Assert(tlsSlotsSize > slotIdx);
1410 ThreadData* threadData = (ThreadData*)tls.GetData();
1413 threadData = new ThreadData;
1414 tls.SetData((void*)threadData);
1416 AutoLock guard(mtxGlobalAccess);
1417 threadData->idx = threads.size();
1418 threads.push_back(threadData);
1422 if(slotIdx >= threadData->slots.size())
1424 AutoLock guard(mtxGlobalAccess); // keep synchronization with gather() calls
1425 threadData->slots.resize(slotIdx + 1, NULL);
1427 threadData->slots[slotIdx] = pData;
1431 TlsAbstraction tls; // TLS abstraction layer instance
1433 Mutex mtxGlobalAccess; // Shared objects operation guard
1434 size_t tlsSlotsSize; // equal to tlsSlots.size() in synchronized sections
1435 // without synchronization this counter doesn't desrease - it is used for slotIdx sanity checks
1436 std::vector<int> tlsSlots; // TLS keys state
1437 std::vector<ThreadData*> threads; // Array for all allocated data. Thread data pointers are placed here to allow data cleanup
1440 // Create global TLS storage object
1441 static TlsStorage &getTlsStorage()
1443 CV_SINGLETON_LAZY_INIT_REF(TlsStorage, new TlsStorage())
1446 TLSDataContainer::TLSDataContainer()
1448 key_ = (int)getTlsStorage().reserveSlot(); // Reserve key from TLS storage
1451 TLSDataContainer::~TLSDataContainer()
1453 CV_Assert(key_ == -1); // Key must be released in child object
1456 void TLSDataContainer::gatherData(std::vector<void*> &data) const
1458 getTlsStorage().gather(key_, data);
1461 void TLSDataContainer::release()
1463 std::vector<void*> data;
1465 getTlsStorage().releaseSlot(key_, data); // Release key and get stored data for proper destruction
1467 for(size_t i = 0; i < data.size(); i++) // Delete all associated data
1468 deleteDataInstance(data[i]);
1471 void TLSDataContainer::cleanup()
1473 std::vector<void*> data;
1475 getTlsStorage().releaseSlot(key_, data, true); // Extract stored data with removal from TLS tables
1476 for(size_t i = 0; i < data.size(); i++) // Delete all associated data
1477 deleteDataInstance(data[i]);
1480 void* TLSDataContainer::getData() const
1482 CV_Assert(key_ != -1 && "Can't fetch data from terminated TLS container.");
1483 void* pData = getTlsStorage().getData(key_); // Check if data was already allocated
1486 // Create new data instance and save it to TLS storage
1487 pData = createDataInstance();
1488 getTlsStorage().setData(key_, pData);
1493 TLSData<CoreTLSData>& getCoreTlsData()
1495 CV_SINGLETON_LAZY_INIT_REF(TLSData<CoreTLSData>, new TLSData<CoreTLSData>())
1498 #if defined CVAPI_EXPORTS && defined _WIN32 && !defined WINCE
1500 #pragma warning(disable:4447) // Disable warning 'main' signature found without threading model
1504 BOOL WINAPI DllMain(HINSTANCE, DWORD fdwReason, LPVOID lpReserved);
1507 BOOL WINAPI DllMain(HINSTANCE, DWORD fdwReason, LPVOID lpReserved)
1509 if (fdwReason == DLL_THREAD_DETACH || fdwReason == DLL_PROCESS_DETACH)
1511 if (lpReserved != NULL) // called after ExitProcess() call
1513 cv::__termination = true;
1517 // Not allowed to free resources if lpReserved is non-null
1518 // http://msdn.microsoft.com/en-us/library/windows/desktop/ms682583.aspx
1519 cv::getTlsStorage().releaseThread();
1528 static int g_threadNum = 0;
1533 id(CV_XADD(&g_threadNum, 1))
1535 #ifdef OPENCV_WITH_ITT
1536 __itt_thread_set_name(cv::format("OpenCVThread-%03d", id).c_str());
1541 static TLSData<ThreadID>& getThreadIDTLS()
1543 CV_SINGLETON_LAZY_INIT_REF(TLSData<ThreadID>, new TLSData<ThreadID>());
1547 int utils::getThreadID() { return getThreadIDTLS().get()->id; }
1549 bool utils::getConfigurationParameterBool(const char* name, bool defaultValue)
1552 const char* envValue = NULL;
1554 const char* envValue = getenv(name);
1556 if (envValue == NULL)
1558 return defaultValue;
1560 cv::String value = envValue;
1561 if (value == "1" || value == "True" || value == "true" || value == "TRUE")
1565 if (value == "0" || value == "False" || value == "false" || value == "FALSE")
1569 CV_ErrorNoReturn(cv::Error::StsBadArg, cv::format("Invalid value for %s parameter: %s", name, value.c_str()));
1573 size_t utils::getConfigurationParameterSizeT(const char* name, size_t defaultValue)
1576 const char* envValue = NULL;
1578 const char* envValue = getenv(name);
1580 if (envValue == NULL)
1582 return defaultValue;
1584 cv::String value = envValue;
1586 for (; pos < value.size(); pos++)
1588 if (!isdigit(value[pos]))
1591 cv::String valueStr = value.substr(0, pos);
1592 cv::String suffixStr = value.substr(pos, value.length() - pos);
1593 int v = atoi(valueStr.c_str());
1594 if (suffixStr.length() == 0)
1596 else if (suffixStr == "MB" || suffixStr == "Mb" || suffixStr == "mb")
1597 return v * 1024 * 1024;
1598 else if (suffixStr == "KB" || suffixStr == "Kb" || suffixStr == "kb")
1600 CV_ErrorNoReturn(cv::Error::StsBadArg, cv::format("Invalid value for %s parameter: %s", name, value.c_str()));
1603 cv::String utils::getConfigurationParameterString(const char* name, const char* defaultValue)
1606 const char* envValue = NULL;
1608 const char* envValue = getenv(name);
1610 if (envValue == NULL)
1612 return defaultValue;
1614 cv::String value = envValue;
1619 #ifdef CV_COLLECT_IMPL_DATA
1620 ImplCollector& getImplData()
1622 CV_SINGLETON_LAZY_INIT_REF(ImplCollector, new ImplCollector())
1625 void setImpl(int flags)
1627 cv::AutoLock lock(getImplData().mutex);
1629 getImplData().implFlags = flags;
1630 getImplData().implCode.clear();
1631 getImplData().implFun.clear();
1634 void addImpl(int flag, const char* func)
1636 cv::AutoLock lock(getImplData().mutex);
1638 getImplData().implFlags |= flag;
1639 if(func) // use lazy collection if name was not specified
1641 size_t index = getImplData().implCode.size();
1642 if(!index || (getImplData().implCode[index-1] != flag || getImplData().implFun[index-1].compare(func))) // avoid duplicates
1644 getImplData().implCode.push_back(flag);
1645 getImplData().implFun.push_back(func);
1650 int getImpl(std::vector<int> &impl, std::vector<String> &funName)
1652 cv::AutoLock lock(getImplData().mutex);
1654 impl = getImplData().implCode;
1655 funName = getImplData().implFun;
1656 return getImplData().implFlags; // return actual flags for lazy collection
1659 bool useCollection()
1661 return getImplData().useCollection;
1664 void setUseCollection(bool flag)
1666 cv::AutoLock lock(getImplData().mutex);
1668 getImplData().useCollection = flag;
1674 bool useInstrumentation()
1676 #ifdef ENABLE_INSTRUMENTATION
1677 return getInstrumentStruct().useInstr;
1683 void setUseInstrumentation(bool flag)
1685 #ifdef ENABLE_INSTRUMENTATION
1686 getInstrumentStruct().useInstr = flag;
1692 InstrNode* getTrace()
1694 #ifdef ENABLE_INSTRUMENTATION
1695 return &getInstrumentStruct().rootNode;
1703 #ifdef ENABLE_INSTRUMENTATION
1704 getInstrumentStruct().rootNode.removeChilds();
1705 getInstrumentTLSStruct().pCurrentNode = &getInstrumentStruct().rootNode;
1709 void setFlags(FLAGS modeFlags)
1711 #ifdef ENABLE_INSTRUMENTATION
1712 getInstrumentStruct().flags = modeFlags;
1714 CV_UNUSED(modeFlags);
1719 #ifdef ENABLE_INSTRUMENTATION
1720 return (FLAGS)getInstrumentStruct().flags;
1726 NodeData::NodeData(const char* funName, const char* fileName, int lineNum, void* retAddress, bool alwaysExpand, cv::instr::TYPE instrType, cv::instr::IMPL implType)
1728 m_funName = funName;
1729 m_instrType = instrType;
1730 m_implType = implType;
1731 m_fileName = fileName;
1732 m_lineNum = lineNum;
1733 m_retAddress = retAddress;
1734 m_alwaysExpand = alwaysExpand;
1742 NodeData::NodeData(NodeData &ref)
1746 NodeData& NodeData::operator=(const NodeData &right)
1748 this->m_funName = right.m_funName;
1749 this->m_instrType = right.m_instrType;
1750 this->m_implType = right.m_implType;
1751 this->m_fileName = right.m_fileName;
1752 this->m_lineNum = right.m_lineNum;
1753 this->m_retAddress = right.m_retAddress;
1754 this->m_alwaysExpand = right.m_alwaysExpand;
1756 this->m_threads = right.m_threads;
1757 this->m_counter = right.m_counter;
1758 this->m_ticksTotal = right.m_ticksTotal;
1760 this->m_funError = right.m_funError;
1764 NodeData::~NodeData()
1767 bool operator==(const NodeData& left, const NodeData& right)
1769 if(left.m_lineNum == right.m_lineNum && left.m_funName == right.m_funName && left.m_fileName == right.m_fileName)
1771 if(left.m_retAddress == right.m_retAddress || !(cv::instr::getFlags()&cv::instr::FLAGS_EXPAND_SAME_NAMES || left.m_alwaysExpand))
1777 #ifdef ENABLE_INSTRUMENTATION
1778 InstrStruct& getInstrumentStruct()
1780 static InstrStruct instr;
1784 InstrTLSStruct& getInstrumentTLSStruct()
1786 return *getInstrumentStruct().tlsStruct.get();
1789 InstrNode* getCurrentNode()
1791 return getInstrumentTLSStruct().pCurrentNode;
1794 IntrumentationRegion::IntrumentationRegion(const char* funName, const char* fileName, int lineNum, void *retAddress, bool alwaysExpand, TYPE instrType, IMPL implType)
1799 InstrStruct *pStruct = &getInstrumentStruct();
1800 if(pStruct->useInstr)
1802 InstrTLSStruct *pTLS = &getInstrumentTLSStruct();
1804 // Disable in case of failure
1805 if(!pTLS->pCurrentNode)
1811 int depth = pTLS->pCurrentNode->getDepth();
1812 if(pStruct->maxDepth && pStruct->maxDepth <= depth)
1818 NodeData payload(funName, fileName, lineNum, retAddress, alwaysExpand, instrType, implType);
1819 Node<NodeData>* pChild = NULL;
1821 if(pStruct->flags&FLAGS_MAPPING)
1824 cv::AutoLock guard(pStruct->mutexCreate); // Guard from concurrent child creation
1825 pChild = pTLS->pCurrentNode->findChild(payload);
1828 pChild = new Node<NodeData>(payload);
1829 pTLS->pCurrentNode->addChild(pChild);
1834 pChild = pTLS->pCurrentNode->findChild(payload);
1841 pTLS->pCurrentNode = pChild;
1843 m_regionTicks = getTickCount();
1847 IntrumentationRegion::~IntrumentationRegion()
1849 InstrStruct *pStruct = &getInstrumentStruct();
1850 if(pStruct->useInstr)
1854 InstrTLSStruct *pTLS = &getInstrumentTLSStruct();
1856 if (pTLS->pCurrentNode->m_payload.m_implType == cv::instr::IMPL_OPENCL &&
1857 (pTLS->pCurrentNode->m_payload.m_instrType == cv::instr::TYPE_FUN ||
1858 pTLS->pCurrentNode->m_payload.m_instrType == cv::instr::TYPE_WRAPPER))
1860 cv::ocl::finish(); // TODO Support "async" OpenCL instrumentation
1863 uint64 ticks = (getTickCount() - m_regionTicks);
1865 cv::AutoLock guard(pStruct->mutexCount); // Concurrent ticks accumulation
1866 pTLS->pCurrentNode->m_payload.m_counter++;
1867 pTLS->pCurrentNode->m_payload.m_ticksTotal += ticks;
1868 pTLS->pCurrentNode->m_payload.m_tls.get()->m_ticksTotal += ticks;
1871 pTLS->pCurrentNode = pTLS->pCurrentNode->m_pParent;
1882 struct IPPInitSingleton
1898 ippStatus = ippGetCpuFeatures(&cpuFeatures, NULL);
1901 std::cerr << "ERROR: IPP cannot detect CPU features, IPP was disabled " << std::endl;
1905 ippFeatures = cpuFeatures;
1907 const char* pIppEnv = getenv("OPENCV_IPP");
1908 cv::String env = pIppEnv;
1911 #if IPP_VERSION_X100 >= 201703
1912 const Ipp64u minorFeatures = ippCPUID_MOVBE|ippCPUID_AES|ippCPUID_CLMUL|ippCPUID_ABR|ippCPUID_RDRAND|ippCPUID_F16C|
1913 ippCPUID_ADCOX|ippCPUID_RDSEED|ippCPUID_PREFETCHW|ippCPUID_SHA|ippCPUID_MPX|ippCPUID_AVX512CD|ippCPUID_AVX512ER|
1914 ippCPUID_AVX512PF|ippCPUID_AVX512BW|ippCPUID_AVX512DQ|ippCPUID_AVX512VL|ippCPUID_AVX512VBMI;
1915 #elif IPP_VERSION_X100 >= 201700
1916 const Ipp64u minorFeatures = ippCPUID_MOVBE|ippCPUID_AES|ippCPUID_CLMUL|ippCPUID_ABR|ippCPUID_RDRAND|ippCPUID_F16C|
1917 ippCPUID_ADCOX|ippCPUID_RDSEED|ippCPUID_PREFETCHW|ippCPUID_SHA|ippCPUID_AVX512CD|ippCPUID_AVX512ER|
1918 ippCPUID_AVX512PF|ippCPUID_AVX512BW|ippCPUID_AVX512DQ|ippCPUID_AVX512VL|ippCPUID_AVX512VBMI;
1920 const Ipp64u minorFeatures = 0;
1923 env = env.toLowerCase();
1924 if(env.substr(0, 2) == "ne")
1927 env = env.substr(3, env.size());
1930 if(env == "disabled")
1932 std::cerr << "WARNING: IPP was disabled by OPENCV_IPP environment variable" << std::endl;
1935 else if(env == "sse42")
1936 ippFeatures = minorFeatures|ippCPUID_SSE2|ippCPUID_SSE3|ippCPUID_SSSE3|ippCPUID_SSE41|ippCPUID_SSE42;
1937 else if(env == "avx2")
1938 ippFeatures = minorFeatures|ippCPUID_SSE2|ippCPUID_SSE3|ippCPUID_SSSE3|ippCPUID_SSE41|ippCPUID_SSE42|ippCPUID_AVX|ippCPUID_AVX2;
1939 #if IPP_VERSION_X100 >= 201700
1940 #if defined (_M_AMD64) || defined (__x86_64__)
1941 else if(env == "avx512")
1942 ippFeatures = minorFeatures|ippCPUID_SSE2|ippCPUID_SSE3|ippCPUID_SSSE3|ippCPUID_SSE41|ippCPUID_SSE42|ippCPUID_AVX|ippCPUID_AVX2|ippCPUID_AVX512F;
1946 std::cerr << "ERROR: Improper value of OPENCV_IPP: " << env.c_str() << ". Correct values are: disabled, sse42, avx2, avx512 (Intel64 only)" << std::endl;
1948 // Trim unsupported features
1949 ippFeatures &= cpuFeatures;
1952 // Disable AVX1 since we don't track regressions for it. SSE42 will be used instead
1953 if(cpuFeatures&ippCPUID_AVX && !(cpuFeatures&ippCPUID_AVX2))
1954 ippFeatures &= ~((Ipp64u)ippCPUID_AVX);
1956 // IPP integrations in OpenCV support only SSE4.2, AVX2 and AVX-512 optimizations.
1958 #if IPP_VERSION_X100 >= 201700
1959 cpuFeatures&ippCPUID_AVX512F ||
1961 cpuFeatures&ippCPUID_AVX2 ||
1962 cpuFeatures&ippCPUID_SSE42
1969 if(ippFeatures == cpuFeatures)
1972 IPP_INITIALIZER(ippFeatures)
1973 ippFeatures = ippGetEnabledCpuFeatures();
1975 // Detect top level optimizations to make comparison easier for optimizations dependent conditions
1976 #if IPP_VERSION_X100 >= 201700
1977 if(ippFeatures&ippCPUID_AVX512F)
1979 if((ippFeatures&ippCPUID_AVX512_SKX) == ippCPUID_AVX512_SKX)
1980 ippTopFeatures = ippCPUID_AVX512_SKX;
1981 else if((ippFeatures&ippCPUID_AVX512_KNL) == ippCPUID_AVX512_KNL)
1982 ippTopFeatures = ippCPUID_AVX512_KNL;
1984 ippTopFeatures = ippCPUID_AVX512F; // Unknown AVX512 configuration
1988 if(ippFeatures&ippCPUID_AVX2)
1989 ippTopFeatures = ippCPUID_AVX2;
1990 else if(ippFeatures&ippCPUID_SSE42)
1991 ippTopFeatures = ippCPUID_SSE42;
1993 pIppLibInfo = ippiGetLibVersion();
2000 int ippStatus; // 0 - all is ok, -1 - IPP functions failed
2001 const char *funcname;
2002 const char *filename;
2006 Ipp64u ippTopFeatures;
2007 const IppLibraryVersion *pIppLibInfo;
2010 static IPPInitSingleton& getIPPSingleton()
2012 CV_SINGLETON_LAZY_INIT_REF(IPPInitSingleton, new IPPInitSingleton())
2016 #if OPENCV_ABI_COMPATIBILITY > 300
2017 unsigned long long getIppFeatures()
2019 int getIppFeatures()
2023 #if OPENCV_ABI_COMPATIBILITY > 300
2024 return getIPPSingleton().ippFeatures;
2026 return (int)getIPPSingleton().ippFeatures;
2033 unsigned long long getIppTopFeatures();
2035 unsigned long long getIppTopFeatures()
2038 return getIPPSingleton().ippTopFeatures;
2044 void setIppStatus(int status, const char * const _funcname, const char * const _filename, int _line)
2047 getIPPSingleton().ippStatus = status;
2048 getIPPSingleton().funcname = _funcname;
2049 getIPPSingleton().filename = _filename;
2050 getIPPSingleton().linen = _line;
2052 CV_UNUSED(status); CV_UNUSED(_funcname); CV_UNUSED(_filename); CV_UNUSED(_line);
2059 return getIPPSingleton().ippStatus;
2065 String getIppErrorLocation()
2068 return format("%s:%d %s", getIPPSingleton().filename ? getIPPSingleton().filename : "", getIPPSingleton().linen, getIPPSingleton().funcname ? getIPPSingleton().funcname : "");
2074 String getIppVersion()
2077 const IppLibraryVersion *pInfo = getIPPSingleton().pIppLibInfo;
2079 return format("%s %s %s", pInfo->Name, pInfo->Version, pInfo->BuildDate);
2081 return String("error");
2083 return String("disabled");
2090 CoreTLSData* data = getCoreTlsData().get();
2091 if(data->useIPP < 0)
2093 data->useIPP = getIPPSingleton().useIPP;
2095 return (data->useIPP > 0);
2101 void setUseIPP(bool flag)
2103 CoreTLSData* data = getCoreTlsData().get();
2105 data->useIPP = (getIPPSingleton().useIPP)?flag:false;
2108 data->useIPP = false;
2115 CoreTLSData* data = getCoreTlsData().get();
2116 if(data->useIPP_NE < 0)
2118 data->useIPP_NE = getIPPSingleton().useIPP_NE;
2120 return (data->useIPP_NE > 0);
2126 void setUseIPP_NE(bool flag)
2128 CoreTLSData* data = getCoreTlsData().get();
2130 data->useIPP_NE = (getIPPSingleton().useIPP_NE)?flag:false;
2133 data->useIPP_NE = false;
2141 #ifdef HAVE_TEGRA_OPTIMIZATION
2147 cv::CoreTLSData* data = cv::getCoreTlsData().get();
2149 if (data->useTegra < 0)
2151 const char* pTegraEnv = getenv("OPENCV_TEGRA");
2152 if (pTegraEnv && (cv::String(pTegraEnv) == "disabled"))
2153 data->useTegra = false;
2155 data->useTegra = true;
2158 return (data->useTegra > 0);
2161 void setUseTegra(bool flag)
2163 cv::CoreTLSData* data = cv::getCoreTlsData().get();
2164 data->useTegra = flag;
2167 } // namespace tegra