third_party/opencv
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

update CPU detection on ANDROID patch

Browse Source
This commit is contained in:
Alexander Alekhin
2017-06-09 15:24:14 +00:00
parent bb3a416320
commit 3dee87b697
7 changed files with 44 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files
modules/core/src/system.cpp
+7 -6
View File
@@ -447,10 +447,16 @@ struct HWFeatures
CV_UNUSED(cpuid_data_ex);
#endif // OPENCV_HAVE_X86_CPUID
#if defined ANDROID || defined __linux__
#if defined __ANDROID__ || defined __linux__
#ifdef __aarch64__
have[CV_CPU_NEON] = true;
have[CV_CPU_FP16] = true;
#elif defined __arm__ && defined __ANDROID__
__android_log_print(ANDROID_LOG_INFO, "OpenCV", "calling android_getCpuFeatures() ...");
uint64_t features = android_getCpuFeatures();
__android_log_print(ANDROID_LOG_INFO, "OpenCV", "calling android_getCpuFeatures() ... Done (%llx)", features);
have[CV_CPU_NEON] = (features & ANDROID_CPU_ARM_FEATURE_NEON) != 0;
have[CV_CPU_FP16] = (features & ANDROID_CPU_ARM_FEATURE_VFP_FP16) != 0;
#elif defined __arm__
int cpufile = open("/proc/self/auxv", O_RDONLY);
@@ -471,11 +477,6 @@ struct HWFeatures
close(cpufile);
}
#ifdef ANDROID
uint64_t features = android_getCpuFeatures();
have[CV_CPU_NEON] = (features & ANDROID_CPU_ARM_FEATURE_NEON) != 0;
have[CV_CPU_FP16] = (features & ANDROID_CPU_ARM_FEATURE_VFP_FP16) != 0;
#endif
#endif
#elif (defined __clang__ || defined __APPLE__)
#if (defined __ARM_NEON__ || (defined __ARM_NEON && defined __aarch64__))