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cmake: support multiple CPU targets

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This commit is contained in:
Alexander Alekhin 2016-09-07 18:02:36 +03:00
parent 47ae5f14f5
commit e16227b53c
28 changed files with 1439 additions and 393 deletions
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50
CMakeLists.txt
View File

@ -91,6 +91,10 @@ if(POLICY CMP0042)
cmake_policy(SET CMP0042 NEW)
endif()
if(POLICY CMP0051)
cmake_policy(SET CMP0051 NEW)
endif()
include(cmake/OpenCVUtils.cmake)
# must go before the project command
@ -280,16 +284,6 @@ OCV_OPTION(ENABLE_COVERAGE "Enable coverage collection with GCov"
OCV_OPTION(ENABLE_OMIT_FRAME_POINTER "Enable -fomit-frame-pointer for GCC" ON IF CMAKE_COMPILER_IS_GNUCXX AND NOT (APPLE AND CMAKE_COMPILER_IS_CLANGCXX) )
OCV_OPTION(ENABLE_POWERPC "Enable PowerPC for GCC" ON IF (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_SYSTEM_PROCESSOR MATCHES powerpc.*) )
OCV_OPTION(ENABLE_FAST_MATH "Enable -ffast-math (not recommended for GCC 4.6.x)" OFF IF (CMAKE_COMPILER_IS_GNUCXX AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_SSE "Enable SSE instructions" ON IF ((MSVC OR CMAKE_COMPILER_IS_GNUCXX) AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_SSE2 "Enable SSE2 instructions" ON IF ((MSVC OR CMAKE_COMPILER_IS_GNUCXX) AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_SSE3 "Enable SSE3 instructions" ON IF ((MSVC OR CMAKE_COMPILER_IS_GNUCXX OR CV_ICC) AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_SSSE3 "Enable SSSE3 instructions" OFF IF ((MSVC OR CMAKE_COMPILER_IS_GNUCXX) AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_SSE41 "Enable SSE4.1 instructions" OFF IF ((MSVC OR CMAKE_COMPILER_IS_GNUCXX OR CV_ICC) AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_SSE42 "Enable SSE4.2 instructions" OFF IF ((MSVC OR CMAKE_COMPILER_IS_GNUCXX) AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_POPCNT "Enable POPCNT instructions" OFF IF ((MSVC OR CMAKE_COMPILER_IS_GNUCXX) AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_AVX "Enable AVX instructions" OFF IF ((MSVC OR CMAKE_COMPILER_IS_GNUCXX) AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_AVX2 "Enable AVX2 instructions" OFF IF ((MSVC OR CMAKE_COMPILER_IS_GNUCXX) AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_FMA3 "Enable FMA3 instructions" OFF IF ((MSVC OR CMAKE_COMPILER_IS_GNUCXX) AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_NEON "Enable NEON instructions" "${NEON}" IF CMAKE_COMPILER_IS_GNUCXX AND (ARM OR AARCH64 OR IOS) )
OCV_OPTION(ENABLE_VFPV3 "Enable VFPv3-D32 instructions" OFF IF CMAKE_COMPILER_IS_GNUCXX AND (ARM OR AARCH64 OR IOS) )
OCV_OPTION(ENABLE_NOISY_WARNINGS "Show all warnings even if they are too noisy" OFF )
@ -299,6 +293,9 @@ OCV_OPTION(ENABLE_IMPL_COLLECTION "Collect implementation data on function c
OCV_OPTION(ENABLE_INSTRUMENTATION "Instrument functions to collect calls trace and performance" OFF )
OCV_OPTION(ENABLE_GNU_STL_DEBUG "Enable GNU STL Debug mode (defines _GLIBCXX_DEBUG)" OFF IF ((NOT CMAKE_VERSION VERSION_LESS "2.8.11") AND CMAKE_COMPILER_IS_GNUCXX) )
OCV_OPTION(GENERATE_ABI_DESCRIPTOR "Generate XML file for abi_compliance_checker tool" OFF IF UNIX)
OCV_OPTION(CV_ENABLE_INTRINSICS "Use intrinsic-based optimized code" ON )
OCV_OPTION(CV_DISABLE_OPTIMIZATION "Disable explicit optimized code (dispatched code/intrinsics/loop unrolling/etc)" OFF )
OCV_OPTION(DOWNLOAD_EXTERNAL_TEST_DATA "Download external test data (Python executable and OPENCV_TEST_DATA_PATH environment variable may be required)" OFF )
@ -499,6 +496,9 @@ if(CMAKE_GENERATOR MATCHES "Makefiles|Ninja" AND "${CMAKE_BUILD_TYPE}" STREQUAL
set(CMAKE_BUILD_TYPE Release)
endif()
# --- Python Support ---
include(cmake/OpenCVDetectPython.cmake)
include(cmake/OpenCVCompilerOptions.cmake)
@ -576,9 +576,6 @@ else()
unset(DOXYGEN_FOUND CACHE)
endif()
# --- Python Support ---
include(cmake/OpenCVDetectPython.cmake)
# --- Java Support ---
include(cmake/OpenCVDetectApacheAnt.cmake)
if(ANDROID)
@ -867,6 +864,33 @@ if(NOT CMAKE_GENERATOR MATCHES "Xcode|Visual Studio")
status(" Configuration:" ${CMAKE_BUILD_TYPE})
endif()
# ========================= CPU code generation mode =========================
status("")
status(" CPU/HW features:")
status(" Baseline:" "${CPU_BASELINE_FINAL}")
if(NOT CPU_BASELINE STREQUAL CPU_BASELINE_FINAL)
status(" requested:" "${CPU_BASELINE}")
endif()
if(CPU_BASELINE_REQUIRE)
status(" required:" "${CPU_BASELINE_REQUIRE}")
endif()
if(CPU_BASELINE_DISABLE)
status(" disabled:" "${CPU_BASELINE_DISABLE}")
endif()
if(CPU_DISPATCH_FINAL OR CPU_DISPATCH)
status(" Dispatched code generation:" "${CPU_DISPATCH_FINAL}")
if(NOT CPU_DISPATCH STREQUAL CPU_DISPATCH_FINAL)
status(" requested:" "${CPU_DISPATCH}")
endif()
if(CPU_DISPATCH_REQUIRE)
status(" required:" "${CPU_DISPATCH_REQUIRE}")
endif()
foreach(OPT ${CPU_DISPATCH_FINAL})
status(" ${OPT} (${CPU_${OPT}_USAGE_COUNT} files):" "+ ${CPU_DISPATCH_${OPT}_INCLUDED}")
endforeach()
endif()
# ========================== C/C++ options ==========================
if(CMAKE_CXX_COMPILER_VERSION)
set(OPENCV_COMPILER_STR "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} (ver ${CMAKE_CXX_COMPILER_VERSION})")

651
cmake/OpenCVCompilerOptimizations.cmake Normal file
View File

@ -0,0 +1,651 @@
# x86/x86-64 arch:
# SSE / SSE2 (always available on 64-bit CPUs)
# SSE3 / SSSE3
# SSE4_1 / SSE4_2 / POPCNT
# AVX / AVX2 / AVX512
# FMA3
# CPU_{opt}_SUPPORTED=ON/OFF - compiler support (possibly with additional flag)
# CPU_{opt}_IMPLIES=<list>
# CPU_{opt}_FORCE=<list> - subset of "implies" list
# CPU_{opt}_FLAGS_ON=""
# CPU_{opt}_FEATURE_ALIAS - mapping to CV_CPU_* HWFeature enum
# Input variables:
# CPU_BASELINE=<list> - preferred list of baseline optimizations
# CPU_DISPATCH=<list> - preferred list of dispatched optimizations
# Advanced input variables:
# CPU_BASELINE_REQUIRE=<list> - list of required baseline optimizations
# CPU_DISPATCH_REQUIRE=<list> - list of required dispatched optimizations
# CPU_BASELINE_DISABLE=<list> - list of disabled baseline optimizations
# Output variables:
# CPU_BASELINE_FINAL=<list> - final list of enabled compiler optimizations
# CPU_DISPATCH_FINAL=<list> - final list of dispatched optimizations
#
# CPU_DISPATCH_FLAGS_${opt} - flags for source files compiled separately (_opt_avx2.cpp)
set(CPU_ALL_OPTIMIZATIONS "SSE;SSE2;SSE3;SSSE3;SSE4_1;SSE4_2;POPCNT;AVX;FP16;AVX2;FMA3") # without AVX512
list(APPEND CPU_ALL_OPTIMIZATIONS NEON VFPV3 FP16)
list(REMOVE_DUPLICATES CPU_ALL_OPTIMIZATIONS)
ocv_update(CPU_VFPV3_FEATURE_ALIAS "")
set(HELP_CPU_BASELINE "Specify list of enabled baseline CPU optimizations")
set(HELP_CPU_BASELINE_REQUIRE "Specify list of required baseline CPU optimizations")
set(HELP_CPU_BASELINE_DISABLE "Specify list of forbidden baseline CPU optimizations")
set(HELP_CPU_DISPATCH "Specify list of dispatched CPU optimizations")
set(HELP_CPU_DISPATCH_REQUIRE "Specify list of required dispatched CPU optimizations")
foreach(var CPU_BASELINE CPU_BASELINE_REQUIRE CPU_BASELINE_DISABLE CPU_DISPATCH CPU_DISPATCH_REQUIRE)
if(DEFINED ${var})
string(REPLACE "," ";" _list "${${var}}")
set(${var} "${_list}" CACHE STRING "${HELP_${var}}" FORCE)
endif()
endforeach()
# process legacy flags
macro(ocv_optimization_process_obsolete_option legacy_flag OPT legacy_warn)
if(DEFINED ${legacy_flag})
if(${legacy_warn})
message(STATUS "WARNING: Option ${legacy_flag}='${${legacy_flag}}' is deprecated and should not be used anymore")
message(STATUS " Behaviour of this option is not backward compatible")
message(STATUS " Refer to 'CPU_BASELINE'/'CPU_DISPATCH' CMake options documentation")
endif()
if(${legacy_flag})
if(NOT ";${CPU_BASELINE_REQUIRE};" MATCHES ";${OPT};")
set(CPU_BASELINE_REQUIRE "${CPU_BASELINE_REQUIRE};${OPT}" CACHE STRING "${HELP_CPU_BASELINE_REQUIRE}" FORCE)
endif()
else()
if(NOT ";${CPU_BASELINE_DISABLE};" MATCHES ";${OPT};")
set(CPU_BASELINE_DISABLE "${CPU_BASELINE_DISABLE};${OPT}" CACHE STRING "${HELP_CPU_BASELINE_DISABLE}" FORCE)
endif()
endif()
endif()
endmacro()
ocv_optimization_process_obsolete_option(ENABLE_SSE SSE ON)
ocv_optimization_process_obsolete_option(ENABLE_SSE2 SSE2 ON)
ocv_optimization_process_obsolete_option(ENABLE_SSE3 SSE3 ON)
ocv_optimization_process_obsolete_option(ENABLE_SSSE3 SSSE3 ON)
ocv_optimization_process_obsolete_option(ENABLE_SSE41 SSE4_1 ON)
ocv_optimization_process_obsolete_option(ENABLE_SSE42 SSE4_2 ON)
ocv_optimization_process_obsolete_option(ENABLE_POPCNT POPCNT ON)
ocv_optimization_process_obsolete_option(ENABLE_AVX AVX ON)
ocv_optimization_process_obsolete_option(ENABLE_AVX2 AVX2 ON)
ocv_optimization_process_obsolete_option(ENABLE_FMA3 FMA3 ON)
ocv_optimization_process_obsolete_option(ENABLE_VFPV3 VFPV3 OFF)
ocv_optimization_process_obsolete_option(ENABLE_NEON NEON OFF)
macro(ocv_is_optimization_in_list resultvar check_opt)
set(__checked "")
set(__queue ${ARGN})
set(${resultvar} 0)
while(__queue AND NOT ${resultvar})
list(REMOVE_DUPLICATES __queue)
set(__queue_current ${__queue})
set(__queue "")
foreach(OPT ${__queue_current})
if("x${OPT}" STREQUAL "x${check_opt}")
set(${resultvar} 1)
break()
elseif(NOT ";${__checked};" MATCHES ";${OPT};")
list(APPEND __queue ${CPU_${OPT}_IMPLIES})
endif()
list(APPEND __checked ${OPT})
endforeach()
endwhile()
endmacro()
macro(ocv_is_optimization_in_force_list resultvar check_opt)
set(__checked "")
set(__queue ${ARGN})
set(${resultvar} 0)
while(__queue AND NOT ${resultvar})
list(REMOVE_DUPLICATES __queue)
set(__queue_current ${__queue})
set(__queue "")
foreach(OPT ${__queue_current})
if(OPT STREQUAL "${check_opt}")
set(${resultvar} 1)
break()
elseif(NOT ";${__checked};" MATCHES ";${OPT};")
list(APPEND __queue ${CPU_${OPT}_FORCE})
endif()
list(APPEND __checked ${OPT})
endforeach()
endwhile()
endmacro()
macro(ocv_append_optimization_flag var OPT)
if(CPU_${OPT}_FLAGS_CONFLICT)
string(REGEX REPLACE " ${CPU_${OPT}_FLAGS_CONFLICT}" "" ${var} " ${${var}}")
string(REGEX REPLACE "^ +" "" ${var} "${${var}}")
endif()
set(${var} "${${var}} ${CPU_${OPT}_FLAGS_ON}")
endmacro()
# Support GCC -march=native or Intel Compiler -xHost flags
if(";${CPU_BASELINE};" MATCHES ";NATIVE;" OR ";${CPU_BASELINE};" MATCHES ";HOST;")
set(CPU_BASELINE_DETECT ON)
set(_add_native_flag ON)
elseif(";${CPU_BASELINE};" MATCHES ";DETECT;")
set(CPU_BASELINE_DETECT ON)
elseif(" ${CMAKE_CXX_FLAGS} " MATCHES " -march=native | -xHost | /QxHost ")
if(DEFINED CPU_BASELINE)
message(STATUS "CPU: Detected '-march=native' or '-xHost' compiler flag. Force CPU_BASELINE=DETECT.")
endif()
set(CPU_BASELINE "DETECT" CACHE STRING "${HELP_CPU_BASELINE}")
set(CPU_BASELINE_DETECT ON)
endif()
if(X86 OR X86_64)
ocv_update(CPU_KNOWN_OPTIMIZATIONS "SSE;SSE2;SSE3;SSSE3;SSE4_1;POPCNT;SSE4_2;FP16;FMA3;AVX;AVX2;AVX512")
ocv_update(CPU_SSE_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_sse.cpp")
ocv_update(CPU_SSE2_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_sse2.cpp")
ocv_update(CPU_SSE3_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_sse3.cpp")
ocv_update(CPU_SSSE3_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_ssse3.cpp")
ocv_update(CPU_SSE4_1_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_sse41.cpp")
ocv_update(CPU_SSE4_2_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_sse42.cpp")
ocv_update(CPU_POPCNT_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_popcnt.cpp")
ocv_update(CPU_AVX_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_avx.cpp")
ocv_update(CPU_AVX2_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_avx2.cpp")
ocv_update(CPU_FP16_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_fp16.cpp")
ocv_update(CPU_AVX512_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_avx512.cpp")
if(NOT OPENCV_CPU_OPT_IMPLIES_IGNORE)
ocv_update(CPU_AVX512_IMPLIES "AVX2")
ocv_update(CPU_AVX512_FORCE "") # Don't force other optimizations
ocv_update(CPU_AVX2_IMPLIES "AVX;FMA3;FP16")
ocv_update(CPU_FMA3_IMPLIES "AVX2")
ocv_update(CPU_FMA3_FORCE "") # Don't force other optimizations
ocv_update(CPU_FP16_IMPLIES "AVX")
ocv_update(CPU_FP16_FORCE "") # Don't force other optimizations
ocv_update(CPU_AVX_IMPLIES "SSE4_2")
ocv_update(CPU_SSE4_2_IMPLIES "SSE4_1;POPCNT")
ocv_update(CPU_POPCNT_IMPLIES "SSE4_1")
ocv_update(CPU_POPCNT_FORCE "") # Don't force other optimizations
ocv_update(CPU_SSE4_1_IMPLIES "SSE3;SSSE3")
ocv_update(CPU_SSSE3_IMPLIES "SSE3")
ocv_update(CPU_SSE3_IMPLIES "SSE2")
ocv_update(CPU_SSE2_IMPLIES "SSE")
endif()
if(CV_ICC)
macro(ocv_intel_compiler_optimization_option name unix_flags msvc_flags)
ocv_update(CPU_${name}_FLAGS_NAME "${name}")
if(MSVC)
set(enable_flags "${msvc_flags}")
set(flags_conflict "/arch:[^ ]+")
else()
set(enable_flags "${unix_flags}")
set(flags_conflict "-msse[^ ]*|-mssse3|-mavx[^ ]*|-march[^ ]+")
endif()
ocv_update(CPU_${name}_FLAGS_ON "${enable_flags}")
if(flags_conflict)
ocv_update(CPU_${name}_FLAGS_CONFLICT "${flags_conflict}")
endif()
endmacro()
ocv_intel_compiler_optimization_option(AVX2 "-march=core-avx2" "/arch:CORE-AVX2")
ocv_intel_compiler_optimization_option(FP16 "-mavx" "/arch:AVX")
ocv_intel_compiler_optimization_option(AVX "-mavx" "/arch:AVX")
ocv_intel_compiler_optimization_option(FMA3 "" "")
ocv_intel_compiler_optimization_option(POPCNT "" "")
ocv_intel_compiler_optimization_option(SSE4_2 "-msse4.2" "/arch:SSE4.2")
ocv_intel_compiler_optimization_option(SSE4_1 "-msse4.1" "/arch:SSE4.1")
ocv_intel_compiler_optimization_option(SSE3 "-msse3" "/arch:SSE3")
ocv_intel_compiler_optimization_option(SSSE3 "-mssse3" "/arch:SSSE3")
ocv_intel_compiler_optimization_option(SSE2 "-msse2" "/arch:SSE2")
if(NOT X86_64) # x64 compiler doesn't support /arch:sse
ocv_intel_compiler_optimization_option(SSE "-msse" "/arch:SSE")
endif()
#ocv_intel_compiler_optimization_option(AVX512 "-march=core-avx512")
elseif(CMAKE_COMPILER_IS_GNUCXX)
ocv_update(CPU_AVX2_FLAGS_ON "-mavx2")
ocv_update(CPU_FP16_FLAGS_ON "-mf16c")
ocv_update(CPU_AVX_FLAGS_ON "-mavx")
ocv_update(CPU_FMA3_FLAGS_ON "-mfma")
ocv_update(CPU_POPCNT_FLAGS_ON "-mpopcnt")
ocv_update(CPU_SSE4_2_FLAGS_ON "-msse4.2")
ocv_update(CPU_SSE4_1_FLAGS_ON "-msse4.1")
ocv_update(CPU_SSE3_FLAGS_ON "-msse3")
ocv_update(CPU_SSSE3_FLAGS_ON "-mssse3")
ocv_update(CPU_SSE2_FLAGS_ON "-msse2")
ocv_update(CPU_SSE_FLAGS_ON "-msse")
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "5.0")
ocv_update(CPU_AVX512_FLAGS_ON "-mavx512f -mavx512pf -mavx512er -mavx512cd -mavx512vl -mavx512bw -mavx512dq -mavx512ifma -mavx512vbmi")
endif()
elseif(MSVC)
ocv_update(CPU_AVX2_FLAGS_ON "/arch:AVX2")
ocv_update(CPU_AVX_FLAGS_ON "/arch:AVX")
if(NOT MSVC64)
# 64-bit MSVC compiler uses SSE/SSE2 by default
ocv_update(CPU_SSE_FLAGS_ON "/arch:SSE")
ocv_update(CPU_SSE_SUPPORTED ON)
ocv_update(CPU_SSE2_FLAGS_ON "/arch:SSE2")
ocv_update(CPU_SSE2_SUPPORTED ON)
else()
ocv_update(CPU_SSE_SUPPORTED ON)
ocv_update(CPU_SSE2_SUPPORTED ON)
endif()
# Other instruction sets are supported by default since MSVC 2008 at least
else()
message(WARNING "TODO: Unsupported compiler")
endif()
if(NOT DEFINED CPU_DISPATCH)
set(CPU_DISPATCH "SSE4_1;AVX;FP16;AVX2" CACHE STRING "${HELP_CPU_DISPATCH}")
endif()
if(NOT DEFINED CPU_BASELINE)
if(X86_64)
set(CPU_BASELINE "SSSE3" CACHE STRING "${HELP_CPU_BASELINE}")
else()
set(CPU_BASELINE "SSE2" CACHE STRING "${HELP_CPU_BASELINE}")
endif()
endif()
elseif(ARM OR AARCH64)
ocv_update(CPU_FP16_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_fp16.cpp")
if(NOT AARCH64)
ocv_update(CPU_KNOWN_OPTIMIZATIONS "VFPV3;NEON;FP16")
ocv_update(CPU_NEON_FLAGS_ON "-mfpu=neon")
ocv_update(CPU_VFPV3_FLAGS_ON "-mfpu=vfpv3")
ocv_update(CPU_FP16_FLAGS_ON "-mfpu=neon-fp16")
set(CPU_BASELINE "DETECT" CACHE STRING "${HELP_CPU_BASELINE}")
else()
ocv_update(CPU_KNOWN_OPTIMIZATIONS "NEON;FP16")
ocv_update(CPU_NEON_FLAGS_ON "")
set(CPU_BASELINE "NEON" CACHE STRING "${HELP_CPU_BASELINE}")
endif()
endif()
# Helper values for cmake-gui
set(CPU_BASELINE "DETECT" CACHE STRING "${HELP_CPU_BASELINE}")
set(CPU_DISPATCH "" CACHE STRING "${HELP_CPU_DISPATCH}")
set_property(CACHE CPU_BASELINE PROPERTY STRINGS "" ${CPU_KNOWN_OPTIMIZATIONS})
set_property(CACHE CPU_DISPATCH PROPERTY STRINGS "" ${CPU_KNOWN_OPTIMIZATIONS})
set(CPU_BASELINE_FLAGS "")
set(CPU_BASELINE_FINAL "")
set(CPU_DISPATCH_FINAL "")
macro(ocv_check_compiler_optimization OPT)
if(NOT DEFINED CPU_${OPT}_SUPPORTED)
if((DEFINED CPU_${OPT}_FLAGS_ON AND NOT "x${CPU_${OPT}_FLAGS_ON}" STREQUAL "x") OR CPU_${OPT}_TEST_FILE)
set(_varname "")
if(CPU_${OPT}_TEST_FILE)
set(__available 0)
if(CPU_BASELINE_DETECT)
set(_varname "HAVE_CPU_${OPT}_SUPPORT")
ocv_check_compiler_flag(CXX "${CPU_BASELINE_FLAGS}" "${_varname}" "${CPU_${OPT}_TEST_FILE}")
if(${_varname})
list(APPEND CPU_BASELINE_FINAL ${OPT})
set(__available 1)
endif()
endif()
if(NOT __available)
if(NOT "x${CPU_${OPT}_FLAGS_NAME}" STREQUAL "x")
set(_varname "HAVE_CPU_${CPU_${OPT}_FLAGS_NAME}")
set(_compile_flags "${CPU_BASELINE_FLAGS}")
ocv_append_optimization_flag(_compile_flags ${OPT})
ocv_check_compiler_flag(CXX "${_compile_flags}" "${_varname}" "${CPU_${OPT}_TEST_FILE}")
elseif(NOT "x${CPU_${OPT}_FLAGS_ON}" STREQUAL "x")
ocv_check_flag_support(CXX "${CPU_${OPT}_FLAGS_ON}" _varname "" "${CPU_${OPT}_TEST_FILE}")
else()
set(_varname "HAVE_CPU_${OPT}_SUPPORT")
set(_compile_flags "${CPU_BASELINE_FLAGS}")
ocv_append_optimization_flag(_compile_flags ${OPT})
ocv_check_compiler_flag(CXX "${_compile_flags}" "${_varname}" "${CPU_${OPT}_TEST_FILE}")
endif()
endif()
else()
ocv_check_flag_support(CXX "${CPU_${OPT}_FLAGS_ON}" _varname "")
endif()
if(_varname AND ${_varname})
set(CPU_${OPT}_SUPPORTED ON)
elseif(NOT CPU_${OPT}_SUPPORTED)
message(STATUS "${OPT} is not supported by C++ compiler")
endif()
else()
set(CPU_${OPT}_SUPPORTED ON)
endif()
endif()
endmacro()
foreach(OPT ${CPU_KNOWN_OPTIMIZATIONS})
set(CPU_${OPT}_USAGE_COUNT 0 CACHE INTERNAL "" FORCE)
if(NOT DEFINED CPU_${OPT}_FORCE)
set(CPU_${OPT}_FORCE "${CPU_${OPT}_IMPLIES}")
endif()
endforeach()
if(_add_native_flag)
set(_varname "HAVE_CPU_NATIVE_SUPPORT")
ocv_check_compiler_flag(CXX "-march=native" "${_varname}" "")
if(_varname)
set(CPU_BASELINE_FLAGS "${CPU_BASELINE_FLAGS} -march=native")
else()
set(_varname "HAVE_CPU_HOST_SUPPORT")
if(MSVC)
set(_flag "/QxHost")
else()
set(_flag "-xHost")
endif()
ocv_check_compiler_flag(CXX "${_flag}" "${_varname}" "")
if(_varname)
set(CPU_BASELINE_FLAGS "${CPU_BASELINE_FLAGS} ${flag}")
endif()
endif()
endif()
foreach(OPT ${CPU_KNOWN_OPTIMIZATIONS})
set(__is_disabled 0)
foreach(OPT2 ${CPU_BASELINE_DISABLE})
ocv_is_optimization_in_list(__is_disabled ${OPT2} ${OPT})
if(__is_disabled)
break()
endif()
endforeach()
if(__is_disabled)
set(__is_from_baseline 0)
else()
ocv_is_optimization_in_list(__is_from_baseline ${OPT} ${CPU_BASELINE_REQUIRE})
if(NOT __is_from_baseline)
ocv_is_optimization_in_list(__is_from_baseline ${OPT} ${CPU_BASELINE})
endif()
endif()
ocv_is_optimization_in_list(__is_from_dispatch ${OPT} ${CPU_DISPATCH_REQUIRE})
if(NOT __is_from_dispatch)
ocv_is_optimization_in_list(__is_from_dispatch ${OPT} ${CPU_DISPATCH})
endif()
if(__is_from_dispatch OR __is_from_baseline OR CPU_BASELINE_DETECT)
ocv_check_compiler_optimization(${OPT})
endif()
if(CPU_BASELINE_DETECT AND NOT __is_from_baseline AND NOT __is_disabled)
ocv_is_optimization_in_list(__is_from_baseline ${OPT} ${CPU_BASELINE_FINAL})
endif()
if(CPU_${OPT}_SUPPORTED)
if(";${CPU_DISPATCH};" MATCHES ";${OPT};" AND NOT __is_from_baseline)
list(APPEND CPU_DISPATCH_FINAL ${OPT})
elseif(__is_from_baseline AND NOT CPU_BASELINE_DETECT)
list(APPEND CPU_BASELINE_FINAL ${OPT})
ocv_append_optimization_flag(CPU_BASELINE_FLAGS ${OPT})
endif()
endif()
endforeach()
foreach(OPT ${CPU_BASELINE_REQUIRE})
if(NOT ";${CPU_BASELINE_FINAL};" MATCHES ";${OPT};")
message(SEND_ERROR "Required baseline optimization is not supported: ${OPT} (CPU_BASELINE_REQUIRE=${CPU_BASELINE_REQUIRE})")
endif()
endforeach()
foreach(OPT ${CPU_BASELINE})
if(OPT STREQUAL "DETECT" OR OPT STREQUAL "HOST" OR OPT STREQUAL "NATIVE")
# nothing
elseif(NOT ";${CPU_BASELINE_FINAL};" MATCHES ";${OPT};")
message(STATUS "Optimization ${OPT} is not available, skipped")
endif()
endforeach()
foreach(OPT ${CPU_DISPATCH_REQUIRE})
if(";${CPU_DISPATCH_FINAL};" MATCHES ";${OPT};")
# OK
elseif(";${CPU_BASELINE_FINAL};" MATCHES ";${OPT};")
message(SEND_ERROR "Dispatched optimization ${OPT} is in baseline list (CPU_DISPATCH_REQUIRE=${CPU_DISPATCH_REQUIRE})")
else()
message(SEND_ERROR "Required dispatch optimization is not supported: ${OPT} (CPU_DISPATCH_REQUIRE=${CPU_DISPATCH_REQUIRE})")
endif()
endforeach()
foreach(OPT ${CPU_DISPATCH})
if(";${CPU_DISPATCH_FINAL};" MATCHES ";${OPT};")
# OK
elseif(";${CPU_BASELINE_FINAL};" MATCHES ";${OPT};")
# OK
else()
message(STATUS "Dispatch optimization ${OPT} is not available, skipped")
endif()
endforeach()
#message(STATUS "CPU_BASELINE_FINAL=${CPU_BASELINE_FINAL}")
#message(STATUS "CPU_DISPATCH_FINAL=${CPU_DISPATCH_FINAL}")
#if(CPU_DISPATCH_FINAL AND NOT PYTHON_DEFAULT_EXECUTABLE)
# message(FATAL_ERROR "Python is required for CPU dispatched optimization support")
#endif()
macro(ocv_compiler_optimization_options)
set(__flags "${OPENCV_EXTRA_CXX_FLAGS} ${CPU_BASELINE_FLAGS}")
if(NOT __flags STREQUAL CACHED_CPU_BASELINE_FLAGS)
set(CACHED_CPU_BASELINE_FLAGS "${__flags}" CACHE INTERNAL "" FORCE)
ocv_clear_vars(HAVE_CPU_BASELINE_FLAGS)
endif()
ocv_check_compiler_flag(CXX "${__flags}" HAVE_CPU_BASELINE_FLAGS)
if(NOT HAVE_CPU_BASELINE_FLAGS)
message(FATAL_ERROR "Compiler doesn't support baseline optimization flags: ${CPU_BASELINE_FLAGS}")
endif()
add_extra_compiler_option_force("${CPU_BASELINE_FLAGS}")
foreach(OPT ${CPU_DISPATCH_FINAL})
set(__dispatch_flags "")
set(__dispatch_definitions "")
set(__dispatch_opts "")
set(__dispatch_opts_force "")
foreach(OPT2 ${CPU_KNOWN_OPTIMIZATIONS})
if(NOT CPU_${OPT2}_SUPPORTED)
#continue()
else()
ocv_is_optimization_in_list(__is_from_baseline ${OPT2} ${CPU_BASELINE_FINAL})
if(NOT __is_from_baseline)
ocv_is_optimization_in_list(__is_active ${OPT2} ${OPT})
if(__is_active)
ocv_append_optimization_flag(__dispatch_flags ${OPT2})
list(APPEND __dispatch_definitions "CV_CPU_COMPILE_${OPT2}=1")
list(APPEND __dispatch_opts "${OPT2}")
endif()
ocv_is_optimization_in_force_list(__is_force ${OPT2} ${OPT})
if(__is_force)
list(APPEND __dispatch_opts_force "${OPT2}")
endif()
endif()
endif()
endforeach()
set(__flags "${OPENCV_EXTRA_CXX_FLAGS} ${__dispatch_flags}")
if(NOT __flags STREQUAL CACHED_CPU_DISPATCH_${OPT}_FLAGS)
set(CACHED_CPU_DISPATCH_${OPT}_FLAGS "${__flags}" CACHE INTERNAL "" FORCE)
ocv_clear_vars(HAVE_CPU_DISPATCH_FLAGS_${OPT})
endif()
ocv_check_compiler_flag(CXX "${__flags}" HAVE_CPU_DISPATCH_FLAGS_${OPT})
if(NOT HAVE_CPU_DISPATCH_FLAGS_${OPT})
message(FATAL_ERROR "Compiler doesn't support optimization flags for ${OPT} dispatch mode: ${__dispatch_flags}")
endif()
set(CPU_DISPATCH_FLAGS_${OPT} "${__dispatch_flags}")
set(CPU_DISPATCH_DEFINITIONS_${OPT} "${__dispatch_definitions}")
set(CPU_DISPATCH_${OPT}_INCLUDED "${__dispatch_opts}")
set(CPU_DISPATCH_${OPT}_FORCED "${__dispatch_opts_force}")
endforeach()
if(ENABLE_POWERPC)
add_extra_compiler_option("-mcpu=G3 -mtune=G5")
endif()
if(ARM)
add_extra_compiler_option("-mfp16-format=ieee")
endif(ARM)
if(ENABLE_NEON)
add_extra_compiler_option("-mfpu=neon")
endif()
if(ENABLE_VFPV3 AND NOT ENABLE_NEON)
add_extra_compiler_option("-mfpu=vfpv3")
endif()
endmacro()
macro(ocv_compiler_optimization_options_finalize)
if(CMAKE_COMPILER_IS_GNUCXX AND (X86 OR X86_64))
if(NOT APPLE AND CMAKE_SIZEOF_VOID_P EQUAL 4)
if(OPENCV_EXTRA_CXX_FLAGS MATCHES "-m(sse2|avx)")
add_extra_compiler_option(-mfpmath=sse) # !! important - be on the same wave with x64 compilers
else()
add_extra_compiler_option(-mfpmath=387)
endif()
endif()
endif()
if(MSVC)
# Generate Intrinsic Functions
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS} /Oi")
if((X86 OR X86_64) AND CMAKE_SIZEOF_VOID_P EQUAL 4 AND ";${CPU_BASELINE_FINAL};" MATCHES ";SSE;")
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS} /fp:fast") # !! important - be on the same wave with x64 compilers
endif()
endif(MSVC)
endmacro()
macro(ocv_compiler_optimization_process_sources SOURCES_VAR_NAME LIBS_VAR_NAME TARGET_BASE_NAME)
set(__result "")
set(__result_libs "")
foreach(OPT ${CPU_DISPATCH_FINAL})
set(__result_${OPT} "")
endforeach()
foreach(fname ${${SOURCES_VAR_NAME}})
string(TOLOWER "${fname}" fname_LOWER)
if(fname_LOWER MATCHES "[.]opt_.*[.]cpp$")
if(CV_DISABLE_OPTIMIZATION OR NOT CV_ENABLE_INTRINSICS)
message(STATUS "Excluding from source files list: ${fname}")
#continue()
else()
set(__opt_found 0)
foreach(OPT ${CPU_BASELINE_FINAL})
string(TOLOWER "${OPT}" OPT_LOWER)
if(fname_LOWER MATCHES "_${OPT_LOWER}[.]cpp$")
#message("${fname} BASELINE-${OPT}")
set(__opt_found 1)
list(APPEND __result "${fname}")
break()
endif()
endforeach()
foreach(OPT ${CPU_DISPATCH_FINAL})
foreach(OPT2 ${CPU_DISPATCH_${OPT}_FORCED})
string(TOLOWER "${OPT2}" OPT2_LOWER)
if(fname_LOWER MATCHES "_${OPT2_LOWER}[.]cpp$")
list(APPEND __result_${OPT} "${fname}")
math(EXPR CPU_${OPT}_USAGE_COUNT "${CPU_${OPT}_USAGE_COUNT}+1")
set(CPU_${OPT}_USAGE_COUNT "${CPU_${OPT}_USAGE_COUNT}" CACHE INTERNAL "" FORCE)
#message("${fname} ${OPT}")
#message(" ${CPU_DISPATCH_${OPT}_INCLUDED}")
#message(" ${CPU_DISPATCH_DEFINITIONS_${OPT}}")
#message(" ${CPU_DISPATCH_FLAGS_${OPT}}")
set(__opt_found 1)
break()
endif()
endforeach()
if(__opt_found)
set(__opt_found 1)
break()
endif()
endforeach()
if(NOT __opt_found)
message(STATUS "Excluding from source files list: ${fname}")
endif()
endif()
else()
list(APPEND __result "${fname}")
endif()
endforeach()
foreach(OPT ${CPU_DISPATCH_FINAL})
if(__result_${OPT})
#message("${OPT}: ${__result_${OPT}}")
if(CMAKE_GENERATOR MATCHES "^Visual")
# extra flags are added before common flags, so switching between optimizations doesn't work correctly
# Also CMAKE_CXX_FLAGS doesn't work (it is directory-based, so add_subdirectory is required)
add_library(${TARGET_BASE_NAME}_${OPT} OBJECT ${__result_${OPT}})
ocv_append_dependant_targets(${TARGET_BASE_NAME} ${TARGET_BASE_NAME}_${OPT})
set_target_properties(${TARGET_BASE_NAME}_${OPT} PROPERTIES COMPILE_DEFINITIONS "${CPU_DISPATCH_DEFINITIONS_${OPT}}")
set_target_properties(${TARGET_BASE_NAME}_${OPT} PROPERTIES COMPILE_FLAGS "${CPU_DISPATCH_FLAGS_${OPT}}")
#list(APPEND __result_libs ${TARGET_BASE_NAME}_${OPT})
list(APPEND __result "$<TARGET_OBJECTS:${TARGET_BASE_NAME}_${OPT}>")
else()
foreach(fname ${__result_${OPT}})
set_source_files_properties("${fname}" PROPERTIES COMPILE_DEFINITIONS "${CPU_DISPATCH_DEFINITIONS_${OPT}}")
set_source_files_properties("${fname}" PROPERTIES COMPILE_FLAGS "${CPU_DISPATCH_FLAGS_${OPT}}")
endforeach()
list(APPEND __result ${__result_${OPT}})
endif()
endif()
endforeach()
set(${SOURCES_VAR_NAME} "${__result}")
list(APPEND ${LIBS_VAR_NAME} ${__result_libs})
endmacro()
macro(ocv_compiler_optimization_fill_cpu_config)
set(OPENCV_CPU_BASELINE_DEFINITIONS_CONFIGMAKE "")
foreach(OPT ${CPU_BASELINE_FINAL})
set(OPENCV_CPU_BASELINE_DEFINITIONS_CONFIGMAKE "${OPENCV_CPU_BASELINE_DEFINITIONS_CONFIGMAKE}
#define CV_CPU_COMPILE_${OPT} 1
#define CV_CPU_BASELINE_COMPILE_${OPT} 1
")
endforeach()
set(OPENCV_CPU_BASELINE_DEFINITIONS_CONFIGMAKE "${OPENCV_CPU_BASELINE_DEFINITIONS_CONFIGMAKE}
#define CV_CPU_BASELINE_FEATURES 0 \\")
foreach(OPT ${CPU_BASELINE_FINAL})
if(NOT DEFINED CPU_${OPT}_FEATURE_ALIAS OR NOT "x${CPU_${OPT}_FEATURE_ALIAS}" STREQUAL "x")
set(OPENCV_CPU_BASELINE_DEFINITIONS_CONFIGMAKE "${OPENCV_CPU_BASELINE_DEFINITIONS_CONFIGMAKE}
, CV_CPU_${OPT} \\")
endif()
endforeach()
set(OPENCV_CPU_BASELINE_DEFINITIONS_CONFIGMAKE "${OPENCV_CPU_BASELINE_DEFINITIONS_CONFIGMAKE}\n")
set(__dispatch_modes "")
foreach(OPT ${CPU_DISPATCH_FINAL})
list(APPEND __dispatch_modes ${CPU_DISPATCH_${OPT}_FORCE} ${OPT})
endforeach()
list(REMOVE_DUPLICATES __dispatch_modes)
set(OPENCV_CPU_DISPATCH_DEFINITIONS_CONFIGMAKE "")
foreach(OPT ${__dispatch_modes})
set(OPENCV_CPU_DISPATCH_DEFINITIONS_CONFIGMAKE "${OPENCV_CPU_DISPATCH_DEFINITIONS_CONFIGMAKE}
#define CV_CPU_DISPATCH_COMPILE_${OPT} 1")
endforeach()
set(OPENCV_CPU_CONTROL_DEFINITIONS_CONFIGMAKE "// AUTOGENERATED, DO NOT EDIT\n")
foreach(OPT ${CPU_ALL_OPTIMIZATIONS})
if(NOT DEFINED CPU_${OPT}_FEATURE_ALIAS OR NOT "x${CPU_${OPT}_FEATURE_ALIAS}" STREQUAL "x")
set(OPENCV_CPU_CONTROL_DEFINITIONS_CONFIGMAKE "${OPENCV_CPU_CONTROL_DEFINITIONS_CONFIGMAKE}
#if !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_COMPILE_${OPT}
# define CV_CPU_HAS_SUPPORT_${OPT} 1
# define CV_CPU_CALL_${OPT}(...) return __VA_ARGS__
#elif !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_DISPATCH_COMPILE_${OPT}
# define CV_CPU_HAS_SUPPORT_${OPT} (cv::checkHardwareSupport(CV_CPU_${OPT}))
# define CV_CPU_CALL_${OPT}(...) if (CV_CPU_HAS_SUPPORT_${OPT}) return __VA_ARGS__
#else
# define CV_CPU_HAS_SUPPORT_${OPT} 0
# define CV_CPU_CALL_${OPT}(...)
#endif
")
endif()
endforeach()
set(__file "${CMAKE_SOURCE_DIR}/modules/core/include/opencv2/core/cv_cpu_helper.h")
if(EXISTS "${__file}")
file(READ "${__file}" __content)
endif()
if(__content STREQUAL OPENCV_CPU_CONTROL_DEFINITIONS_CONFIGMAKE)
#message(STATUS "${__file} contains same content")
else()
file(WRITE "${__file}" "${OPENCV_CPU_CONTROL_DEFINITIONS_CONFIGMAKE}")
message(WARNING "${__file} is updated")
endif()
endmacro()
if(CV_DISABLE_OPTIMIZATION OR CV_ICC)
ocv_update(CV_ENABLE_UNROLLED 0)
else()
ocv_update(CV_ENABLE_UNROLLED 1)
endif()

159
cmake/OpenCVCompilerOptions.cmake
View File

@ -31,24 +31,21 @@ endif()
if(MINGW OR (X86 AND UNIX AND NOT APPLE))
# mingw compiler is known to produce unstable SSE code with -O3 hence we are trying to use -O2 instead
if(CMAKE_COMPILER_IS_GNUCXX)
foreach(flags CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG)
string(REPLACE "-O3" "-O2" ${flags} "${${flags}}")
endforeach()
endif()
if(CMAKE_COMPILER_IS_GNUCC)
foreach(flags CMAKE_C_FLAGS CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_DEBUG)
foreach(flags
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG
CMAKE_C_FLAGS CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_DEBUG)
string(REPLACE "-O3" "-O2" ${flags} "${${flags}}")
endforeach()
endif()
endif()
if(MSVC)
string(REGEX REPLACE "^ *| * $" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REGEX REPLACE "^ *| * $" "" CMAKE_CXX_FLAGS_INIT "${CMAKE_CXX_FLAGS_INIT}")
string(STRIP "${CMAKE_CXX_FLAGS}" CMAKE_CXX_FLAGS)
string(STRIP "${CMAKE_CXX_FLAGS_INIT}" CMAKE_CXX_FLAGS_INIT)
if(CMAKE_CXX_FLAGS STREQUAL CMAKE_CXX_FLAGS_INIT)
# override cmake default exception handling option
string(REPLACE "/EHsc" "/EHa" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REPLACE "/EHsc" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHa")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "Flags used by the compiler during all build types." FORCE)
endif()
endif()
@ -63,9 +60,6 @@ set(OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE "")
set(OPENCV_EXTRA_EXE_LINKER_FLAGS_DEBUG "")
macro(add_extra_compiler_option option)
if(CMAKE_BUILD_TYPE)
set(CMAKE_TRY_COMPILE_CONFIGURATION ${CMAKE_BUILD_TYPE})
endif()
ocv_check_flag_support(CXX "${option}" _varname "${OPENCV_EXTRA_CXX_FLAGS} ${ARGN}")
if(${_varname})
set(OPENCV_EXTRA_CXX_FLAGS "${OPENCV_EXTRA_CXX_FLAGS} ${option}")
@ -77,6 +71,12 @@ macro(add_extra_compiler_option option)
endif()
endmacro()
macro(add_extra_compiler_option_force option)
set(OPENCV_EXTRA_CXX_FLAGS "${OPENCV_EXTRA_CXX_FLAGS} ${option}")
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} ${option}")
endmacro()
# Gets environment variable and puts its value to the corresponding preprocessor definition
# Useful for WINRT that has no access to environment variables
macro(add_env_definitions option)
@ -102,8 +102,12 @@ if(MINGW)
endif()
if(CV_ICC AND NOT ENABLE_FAST_MATH)
if(MSVC)
add_extra_compiler_option("/fp:precise")
else()
add_extra_compiler_option("-fp-model precise")
endif()
endif()
if(CMAKE_COMPILER_IS_GNUCXX)
# High level of warnings.
@ -141,7 +145,7 @@ if(CMAKE_COMPILER_IS_GNUCXX)
endif()
# We need pthread's
if(UNIX AND NOT ANDROID AND NOT (APPLE AND CMAKE_COMPILER_IS_CLANGCXX))
if(UNIX AND NOT ANDROID AND NOT (APPLE AND CMAKE_COMPILER_IS_CLANGCXX)) # TODO
add_extra_compiler_option(-pthread)
endif()
@ -170,83 +174,6 @@ if(CMAKE_COMPILER_IS_GNUCXX)
if(ENABLE_FAST_MATH)
add_extra_compiler_option(-ffast-math)
endif()
if(ENABLE_POWERPC)
add_extra_compiler_option("-mcpu=G3 -mtune=G5")
endif()
if(ENABLE_SSE)
add_extra_compiler_option(-msse)
endif()
if(ENABLE_SSE2)
add_extra_compiler_option(-msse2)
elseif(X86 OR X86_64)
add_extra_compiler_option(-mno-sse2)
endif()
if(ARM)
add_extra_compiler_option("-mfp16-format=ieee")
endif(ARM)
if(ENABLE_NEON)
add_extra_compiler_option("-mfpu=neon")
endif()
if(ENABLE_VFPV3 AND NOT ENABLE_NEON)
add_extra_compiler_option("-mfpu=vfpv3")
endif()
# SSE3 and further should be disabled under MingW because it generates compiler errors
if(NOT MINGW)
if(ENABLE_AVX)
add_extra_compiler_option(-mavx)
elseif(X86 OR X86_64)
add_extra_compiler_option(-mno-avx)
endif()
if(ENABLE_AVX2)
add_extra_compiler_option(-mavx2)
if(ENABLE_FMA3)
add_extra_compiler_option(-mfma)
endif()
endif()
# GCC depresses SSEx instructions when -mavx is used. Instead, it generates new AVX instructions or AVX equivalence for all SSEx instructions when needed.
if(NOT OPENCV_EXTRA_CXX_FLAGS MATCHES "-mavx")
if(ENABLE_SSE3)
add_extra_compiler_option(-msse3)
elseif(X86 OR X86_64)
add_extra_compiler_option(-mno-sse3)
endif()
if(ENABLE_SSSE3)
add_extra_compiler_option(-mssse3)
elseif(X86 OR X86_64)
add_extra_compiler_option(-mno-ssse3)
endif()
if(ENABLE_SSE41)
add_extra_compiler_option(-msse4.1)
elseif(X86 OR X86_64)
add_extra_compiler_option(-mno-sse4.1)
endif()
if(ENABLE_SSE42)
add_extra_compiler_option(-msse4.2)
elseif(X86 OR X86_64)
add_extra_compiler_option(-mno-sse4.2)
endif()
if(ENABLE_POPCNT)
add_extra_compiler_option(-mpopcnt)
endif()
endif()
endif(NOT MINGW)
if(X86 OR X86_64)
if(NOT APPLE AND CMAKE_SIZEOF_VOID_P EQUAL 4)
if(OPENCV_EXTRA_CXX_FLAGS MATCHES "-m(sse2|avx)")
add_extra_compiler_option(-mfpmath=sse)# !! important - be on the same wave with x64 compilers
else()
add_extra_compiler_option(-mfpmath=387)
endif()
endif()
endif()
# Profiling?
if(ENABLE_PROFILING)
@ -257,7 +184,7 @@ if(CMAKE_COMPILER_IS_GNUCXX)
string(REPLACE "-fomit-frame-pointer" "" ${flags} "${${flags}}")
string(REPLACE "-ffunction-sections" "" ${flags} "${${flags}}")
endforeach()
elseif(NOT APPLE AND NOT ANDROID)
elseif(NOT ((IOS OR ANDROID) AND NOT BUILD_SHARED_LIBS))
# Remove unreferenced functions: function level linking
add_extra_compiler_option(-ffunction-sections)
endif()
@ -296,41 +223,6 @@ if(MSVC)
set(OPENCV_EXTRA_FLAGS_RELEASE "${OPENCV_EXTRA_FLAGS_RELEASE} /Zi")
endif()
if(ENABLE_AVX2 AND NOT MSVC_VERSION LESS 1800)
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS} /arch:AVX2")
endif()
if(ENABLE_AVX AND NOT MSVC_VERSION LESS 1600 AND NOT OPENCV_EXTRA_FLAGS MATCHES "/arch:")
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS} /arch:AVX")
endif()
if(ENABLE_SSE4_1 AND CV_ICC AND NOT OPENCV_EXTRA_FLAGS MATCHES "/arch:")
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS} /arch:SSE4.1")
endif()
if(ENABLE_SSE3 AND CV_ICC AND NOT OPENCV_EXTRA_FLAGS MATCHES "/arch:")
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS} /arch:SSE3")
endif()
if(NOT MSVC64)
# 64-bit MSVC compiler uses SSE/SSE2 by default
if(ENABLE_SSE2 AND NOT OPENCV_EXTRA_FLAGS MATCHES "/arch:")
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS} /arch:SSE2")
endif()
if(ENABLE_SSE AND NOT OPENCV_EXTRA_FLAGS MATCHES "/arch:")
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS} /arch:SSE")
endif()
endif()
if(ENABLE_SSE OR ENABLE_SSE2 OR ENABLE_SSE3 OR ENABLE_SSE4_1 OR ENABLE_AVX OR ENABLE_AVX2)
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS} /Oi")
endif()
if(X86 OR X86_64)
if(CMAKE_SIZEOF_VOID_P EQUAL 4 AND ENABLE_SSE2)
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS} /fp:fast") # !! important - be on the same wave with x64 compilers
endif()
endif()
if(OPENCV_WARNINGS_ARE_ERRORS)
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS} /WX")
endif()
@ -353,6 +245,16 @@ if(NOT BUILD_SHARED_LIBS AND CMAKE_COMPILER_IS_GNUCXX AND NOT ANDROID)
set(OPENCV_EXTRA_FLAGS "-fPIC ${OPENCV_EXTRA_FLAGS}")
endif()
include(cmake/OpenCVCompilerOptimizations.cmake)
if(COMMAND ocv_compiler_optimization_options)
ocv_compiler_optimization_options()
endif()
if(COMMAND ocv_compiler_optimization_options_finalize)
ocv_compiler_optimization_options_finalize()
endif()
# Add user supplied extra options (optimization, etc...)
# ==========================================================
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS}" CACHE INTERNAL "Extra compiler options")
@ -370,6 +272,7 @@ if(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_OPENCV_GCC_VERSION_NUM GREATER 399)
add_extra_compiler_option(-fvisibility-inlines-hidden)
endif()
# TODO !!!!!
if(NOT OPENCV_FP16_DISABLE AND NOT IOS)
if(ARM AND ENABLE_NEON)
set(FP16_OPTION "-mfpu=neon-fp16")
@ -378,7 +281,7 @@ if(NOT OPENCV_FP16_DISABLE AND NOT IOS)
endif()
try_compile(__VALID_FP16
"${OpenCV_BINARY_DIR}"
"${OpenCV_SOURCE_DIR}/cmake/checks/fp16.cpp"
"${OpenCV_SOURCE_DIR}/cmake/checks/cpu_fp16.cpp"
COMPILE_DEFINITIONS "-DCHECK_FP16" "${FP16_OPTION}"
OUTPUT_VARIABLE TRY_OUT
)

4
cmake/OpenCVGenHeaders.cmake
View File

@ -3,6 +3,10 @@ configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/cvconfig.h.in" "${OPENCV_CO
configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/cvconfig.h.in" "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/opencv2/cvconfig.h")
install(FILES "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/cvconfig.h" DESTINATION ${OPENCV_INCLUDE_INSTALL_PATH}/opencv2 COMPONENT dev)
# platform-specific config file
ocv_compiler_optimization_fill_cpu_config()
configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/cv_cpu_config.h.in" "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/cv_cpu_config.h")
# ----------------------------------------------------------------------------
# opencv_modules.hpp based on actual modules list
# ----------------------------------------------------------------------------

3
cmake/OpenCVModule.cmake
View File

@ -65,6 +65,7 @@ foreach(mod ${OPENCV_MODULES_BUILD} ${OPENCV_MODULES_DISABLED_USER} ${OPENCV_MOD
unset(OPENCV_MODULE_${mod}_PRIVATE_OPT_DEPS CACHE)
unset(OPENCV_MODULE_${mod}_LINK_DEPS CACHE)
unset(OPENCV_MODULE_${mod}_WRAPPERS CACHE)
unset(OPENCV_DEPENDANT_TARGETS_${mod} CACHE)
endforeach()
# clean modules info which needs to be recalculated
@ -648,6 +649,8 @@ macro(ocv_set_module_sources)
# use full paths for module to be independent from the module location
ocv_convert_to_full_paths(OPENCV_MODULE_${the_module}_HEADERS)
ocv_compiler_optimization_process_sources(OPENCV_MODULE_${the_module}_SOURCES OPENCV_MODULE_${the_module}_DEPS_EXT ${the_module})
set(OPENCV_MODULE_${the_module}_HEADERS ${OPENCV_MODULE_${the_module}_HEADERS} CACHE INTERNAL "List of header files for ${the_module}")
set(OPENCV_MODULE_${the_module}_SOURCES ${OPENCV_MODULE_${the_module}_SOURCES} CACHE INTERNAL "List of source files for ${the_module}")
endmacro()

5
cmake/OpenCVPCHSupport.cmake
View File

@ -328,7 +328,10 @@ MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _input)
get_target_property(_sources ${_targetName} SOURCES)
foreach(src ${_sources})
if(NOT "${src}" MATCHES "\\.mm$")
if(NOT "${src}" MATCHES "\\.mm$"
AND NOT "${src}" MATCHES "\\.h$" AND NOT "${src}" MATCHES "\\.hpp$" # header files
AND NOT "${src}" MATCHES "^\$" # CMake generator expressions
)
get_source_file_property(oldProps "${src}" COMPILE_FLAGS)
if(NOT oldProps)
set(newProperties "/Yu\"${_input}\" /FI\"${_input}\"")

48
cmake/OpenCVUtils.cmake
View File

@ -37,7 +37,11 @@ endmacro()
macro(ocv_update VAR)
if(NOT DEFINED ${VAR})
if("x${ARGN}" STREQUAL "x")
set(${VAR} "")
else()
set(${VAR} ${ARGN})
endif()
else()
#ocv_debug_message("Preserve old value for ${VAR}: ${${VAR}}")
endif()
@ -151,8 +155,15 @@ function(ocv_append_target_property target prop)
endif()
endfunction()
function(ocv_append_dependant_targets target)
#ocv_debug_message("ocv_append_dependant_targets(${target} ${ARGN})")
_ocv_fix_target(target)
set(OPENCV_DEPENDANT_TARGETS_${target} "${OPENCV_DEPENDANT_TARGETS_${target}};${ARGN}" CACHE INTERNAL "" FORCE)
endfunction()
# adds include directories in such way that directories from the OpenCV source tree go first
function(ocv_target_include_directories target)
#ocv_debug_message("ocv_target_include_directories(${target} ${ARGN})")
_ocv_fix_target(target)
set(__params "")
if(CMAKE_COMPILER_IS_GNUCXX AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0" AND
@ -173,6 +184,11 @@ function(ocv_target_include_directories target)
else()
if(TARGET ${target})
target_include_directories(${target} PRIVATE ${__params})
if(OPENCV_DEPENDANT_TARGETS_${target})
foreach(t ${OPENCV_DEPENDANT_TARGETS_${target}})
target_include_directories(${t} PRIVATE ${__params})
endforeach()
endif()
else()
set(__new_inc "${OCV_TARGET_INCLUDE_DIRS_${target}};${__params}")
set(OCV_TARGET_INCLUDE_DIRS_${target} "${__new_inc}" CACHE INTERNAL "")
@ -205,8 +221,11 @@ set(OCV_COMPILER_FAIL_REGEX
)
MACRO(ocv_check_compiler_flag LANG FLAG RESULT)
set(_fname "${ARGN}")
if(NOT DEFINED ${RESULT})
if("_${LANG}_" MATCHES "_CXX_")
if(_fname)
# nothing
elseif("_${LANG}_" MATCHES "_CXX_")
set(_fname "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.cxx")
if("${CMAKE_CXX_FLAGS} ${FLAG} " MATCHES "-Werror " OR "${CMAKE_CXX_FLAGS} ${FLAG} " MATCHES "-Werror=unknown-pragmas ")
FILE(WRITE "${_fname}" "int main() { return 0; }\n")
@ -231,7 +250,13 @@ MACRO(ocv_check_compiler_flag LANG FLAG RESULT)
unset(_fname)
endif()
if(_fname)
MESSAGE(STATUS "Performing Test ${RESULT}")
if(NOT "x${ARGN}" STREQUAL "x")
file(RELATIVE_PATH __msg "${CMAKE_SOURCE_DIR}" "${ARGN}")
set(__msg " (check file: ${__msg})")
else()
set(__msg "")
endif()
MESSAGE(STATUS "Performing Test ${RESULT}${__msg}")
TRY_COMPILE(${RESULT}
"${CMAKE_BINARY_DIR}"
"${_fname}"
@ -278,7 +303,11 @@ MACRO(ocv_check_compiler_flag LANG FLAG RESULT)
endif()
ENDMACRO()
macro(ocv_check_flag_support lang flag varname)
macro(ocv_check_flag_support lang flag varname base_options)
if(CMAKE_BUILD_TYPE)
set(CMAKE_TRY_COMPILE_CONFIGURATION ${CMAKE_BUILD_TYPE})
endif()
if("_${lang}_" MATCHES "_CXX_")
set(_lang CXX)
elseif("_${lang}_" MATCHES "_C_")
@ -293,7 +322,7 @@ macro(ocv_check_flag_support lang flag varname)
string(REGEX REPLACE "^(/|-)" "HAVE_${_lang}_" ${varname} "${${varname}}")
string(REGEX REPLACE " -|-|=| |\\." "_" ${varname} "${${varname}}")
ocv_check_compiler_flag("${_lang}" "${ARGN} ${flag}" ${${varname}})
ocv_check_compiler_flag("${_lang}" "${base_options} ${flag}" ${${varname}} ${ARGN})
endmacro()
# turns off warnings
@ -327,7 +356,7 @@ macro(ocv_warnings_disable)
string(REPLACE "${warning}" "" ${var} "${${var}}")
string(REPLACE "-W" "-Wno-" warning "${warning}")
endif()
ocv_check_flag_support(${var} "${warning}" _varname)
ocv_check_flag_support(${var} "${warning}" _varname "")
if(${_varname})
set(${var} "${${var}} ${warning}")
endif()
@ -342,7 +371,7 @@ macro(ocv_warnings_disable)
else()
string(REPLACE "-wd" "-Qwd" warning "${warning}")
endif()
ocv_check_flag_support(${var} "${warning}" _varname)
ocv_check_flag_support(${var} "${warning}" _varname "")
if(${_varname})
set(${var} "${${var}} ${warning}")
endif()
@ -357,7 +386,7 @@ macro(ocv_warnings_disable)
endmacro()
macro(add_apple_compiler_options the_module)
ocv_check_flag_support(OBJCXX "-fobjc-exceptions" HAVE_OBJC_EXCEPTIONS)
ocv_check_flag_support(OBJCXX "-fobjc-exceptions" HAVE_OBJC_EXCEPTIONS "")
if(HAVE_OBJC_EXCEPTIONS)
foreach(source ${OPENCV_MODULE_${the_module}_SOURCES})
if("${source}" MATCHES "\\.mm$")
@ -903,6 +932,11 @@ function(_ocv_append_target_includes target)
if (TARGET ${target}_object)
target_include_directories(${target}_object PRIVATE ${OCV_TARGET_INCLUDE_DIRS_${target}})
endif()
if(OPENCV_DEPENDANT_TARGETS_${target})
foreach(t ${OPENCV_DEPENDANT_TARGETS_${target}})
target_include_directories(${t} PRIVATE ${OCV_TARGET_INCLUDE_DIRS_${target}})
endforeach()
endif()
unset(OCV_TARGET_INCLUDE_DIRS_${target} CACHE)
endif()
endfunction()

9
cmake/checks/cpu_avx.cpp Normal file
View File

@ -0,0 +1,9 @@
#if !defined __AVX__ // MSVC supports this flag since MSVS 2013
#error "__AVX__ define is missing"
#endif
#include <immintrin.h>
void test()
{
__m256 a = _mm256_set1_ps(0.0f);
}
int main() { return 0; }

10
cmake/checks/cpu_avx2.cpp Normal file
View File

@ -0,0 +1,10 @@
#if !defined __AVX2__ // MSVC supports this flag since MSVS 2013
#error "__AVX2__ define is missing"
#endif
#include <immintrin.h>
void test()
{
int data[8] = {0,0,0,0, 0,0,0,0};
__m256i a = _mm256_loadu_si256((const __m256i *)data);
}
int main() { return 0; }

10
cmake/checks/cpu_avx512.cpp Normal file
View File

@ -0,0 +1,10 @@
#if defined __AVX512__ || defined __AVX512F__
#include <immintrin.h>
void test()
{
__m512i zmm = _mm512_setzero_si512();
}
#else
#error "AVX512 is not supported"
#endif
int main() { return 0; }

2
cmake/checks/fp16.cpp → cmake/checks/cpu_fp16.cpp
View File

@ -1,6 +1,6 @@
#include <stdio.h>
#if defined __F16C__ || (defined _MSC_VER && _MSC_VER >= 1700)
#if defined __F16C__ || (defined _MSC_VER && _MSC_VER >= 1700) || (defined __INTEL_COMPILER && defined __AVX__)
#include <immintrin.h>
int test()
{

8
cmake/checks/cpu_popcnt.cpp Normal file
View File

@ -0,0 +1,8 @@
#include <nmmintrin.h>
#ifndef _MSC_VER
#include <popcntintrin.h>
#endif
int main() {
int i = _mm_popcnt_u64(1);
return 0;
}

2
cmake/checks/cpu_sse.cpp Normal file
View File

@ -0,0 +1,2 @@
#include <xmmintrin.h>
int main() { return 0; }

2
cmake/checks/cpu_sse2.cpp Normal file
View File

@ -0,0 +1,2 @@
#include <emmintrin.h>
int main() { return 0; }

7
cmake/checks/cpu_sse3.cpp Normal file
View File

@ -0,0 +1,7 @@
#include <pmmintrin.h>
int main() {
__m128 u, v;
u = _mm_set1_ps(0.0f);
v = _mm_moveldup_ps(u); // SSE3
return 0;
}

6
cmake/checks/cpu_sse41.cpp Normal file
View File

@ -0,0 +1,6 @@
#include <smmintrin.h>
int main() {
__m128i a = _mm_setzero_si128(), b = _mm_setzero_si128();
__m128i c = _mm_packus_epi32(a, b);
return 0;
}

5
cmake/checks/cpu_sse42.cpp Normal file
View File

@ -0,0 +1,5 @@
#include <nmmintrin.h>
int main() {
int i = _mm_popcnt_u64(1);
return 0;
}

7
cmake/checks/cpu_ssse3.cpp Normal file
View File

@ -0,0 +1,7 @@
#include <tmmintrin.h>
const double v = 0;
int main() {
__m128i a = _mm_setzero_si128();
__m128i b = _mm_abs_epi32(a);
return 0;
}

5
cmake/templates/cv_cpu_config.h.in Normal file
View File

@ -0,0 +1,5 @@
// OpenCV CPU baseline features
@OPENCV_CPU_BASELINE_DEFINITIONS_CONFIGMAKE@
// OpenCV supported CPU dispatched features
@OPENCV_CPU_DISPATCH_DEFINITIONS_CONFIGMAKE@

13
cmake/templates/cvconfig.h.in
View File

@ -1,6 +1,15 @@
#ifndef OPENCV_CVCONFIG_H_INCLUDED
#define OPENCV_CVCONFIG_H_INCLUDED
/* OpenCV compiled as static or dynamic libs */
#cmakedefine BUILD_SHARED_LIBS
/* OpenCV intrinsics optimized code */
#cmakedefine CV_ENABLE_INTRINSICS
/* OpenCV additional optimized code */
#cmakedefine CV_DISABLE_OPTIMIZATION
/* Compile for 'real' NVIDIA GPU architectures */
#define CUDA_ARCH_BIN "${OPENCV_CUDA_ARCH_BIN}"
@ -206,3 +215,7 @@
/* OpenVX */
#cmakedefine HAVE_OPENVX
#endif // OPENCV_CVCONFIG_H_INCLUDED

166
modules/core/include/opencv2/core/cv_cpu_dispatch.h Normal file
View File

@ -0,0 +1,166 @@
// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
#if defined __OPENCV_BUILD \
#include "cv_cpu_config.h"
#include "cv_cpu_helper.h"
#if defined CV_ENABLE_INTRINSICS \
&& !defined CV_DISABLE_OPTIMIZATION \
&& !defined __CUDACC__ /* do not include SSE/AVX/NEON headers for NVCC compiler */ \
#ifdef CV_CPU_COMPILE_SSE2
# include <emmintrin.h>
# define CV_MMX 1
# define CV_SSE 1
# define CV_SSE2 1
#endif
#ifdef CV_CPU_COMPILE_SSE3
# include <pmmintrin.h>
# define CV_SSE3 1
#endif
#ifdef CV_CPU_COMPILE_SSSE3
# include <tmmintrin.h>
# define CV_SSSE3 1
#endif
#ifdef CV_CPU_COMPILE_SSE4_1
# include <smmintrin.h>
# define CV_SSE4_1 1
#endif
#ifdef CV_CPU_COMPILE_SSE4_2
# include <nmmintrin.h>
# define CV_SSE4_2 1
#endif
#ifdef CV_CPU_COMPILE_POPCNT
# ifdef _MSC_VER
# include <nmmintrin.h>
# if defined(_M_X64)
# define CV_POPCNT_U64 _mm_popcnt_u64
# endif
# define CV_POPCNT_U32 _mm_popcnt_u32
# else
# include <popcntintrin.h>
# if defined(__x86_64__)
# define CV_POPCNT_U64 __builtin_popcountll
# endif
# define CV_POPCNT_U32 __builtin_popcount
# endif
# define CV_POPCNT 1
#endif
#ifdef CV_CPU_COMPILE_AVX
# include <immintrin.h>
# define CV_AVX 1
#endif
#ifdef CV_CPU_COMPILE_AVX2
# include <immintrin.h>
# define CV_AVX2 1
#endif
#ifdef CV_CPU_COMPILE_FMA3
# define CV_FMA3 1
#endif
#if (defined WIN32 || defined _WIN32) && defined(_M_ARM)
# include <Intrin.h>
# include <arm_neon.h>
# define CV_NEON 1
#elif defined(__ARM_NEON__) || (defined (__ARM_NEON) && defined(__aarch64__))
# include <arm_neon.h>
# define CV_NEON 1
#endif
#if defined(__ARM_NEON__) || defined(__aarch64__)
# include <arm_neon.h>
#endif
#endif // CV_ENABLE_INTRINSICS && !CV_DISABLE_OPTIMIZATION && !__CUDACC__
#endif // __OPENCV_BUILD
#if !defined __OPENCV_BUILD // Compatibility code
#if defined __SSE2__ || defined _M_X64 || (defined _M_IX86_FP && _M_IX86_FP >= 2)
# include <emmintrin.h>
# define CV_MMX 1
# define CV_SSE 1
# define CV_SSE2 1
#elif (defined WIN32 || defined _WIN32) && defined(_M_ARM)
# include <Intrin.h>
# include <arm_neon.h>
# define CV_NEON 1
#elif defined(__ARM_NEON__) || (defined (__ARM_NEON) && defined(__aarch64__))
# include <arm_neon.h>
# define CV_NEON 1
#endif
#endif // !__OPENCV_BUILD (Compatibility code)
#ifndef CV_MMX
# define CV_MMX 0
#endif
#ifndef CV_SSE
# define CV_SSE 0
#endif
#ifndef CV_SSE2
# define CV_SSE2 0
#endif
#ifndef CV_SSE3
# define CV_SSE3 0
#endif
#ifndef CV_SSSE3
# define CV_SSSE3 0
#endif
#ifndef CV_SSE4_1
# define CV_SSE4_1 0
#endif
#ifndef CV_SSE4_2
# define CV_SSE4_2 0
#endif
#ifndef CV_POPCNT
# define CV_POPCNT 0
#endif
#ifndef CV_AVX
# define CV_AVX 0
#endif
#ifndef CV_AVX2
# define CV_AVX2 0
#endif
#ifndef CV_FMA3
# define CV_FMA3 0
#endif
#ifndef CV_AVX_512F
# define CV_AVX_512F 0
#endif
#ifndef CV_AVX_512BW
# define CV_AVX_512BW 0
#endif
#ifndef CV_AVX_512CD
# define CV_AVX_512CD 0
#endif
#ifndef CV_AVX_512DQ
# define CV_AVX_512DQ 0
#endif
#ifndef CV_AVX_512ER
# define CV_AVX_512ER 0
#endif
#ifndef CV_AVX_512IFMA512
# define CV_AVX_512IFMA512 0
#endif
#ifndef CV_AVX_512PF
# define CV_AVX_512PF 0
#endif
#ifndef CV_AVX_512VBMI
# define CV_AVX_512VBMI 0
#endif
#ifndef CV_AVX_512VL
# define CV_AVX_512VL 0
#endif
#ifndef CV_NEON
# define CV_NEON 0
#endif

133
modules/core/include/opencv2/core/cv_cpu_helper.h Normal file
View File

@ -0,0 +1,133 @@
// AUTOGENERATED, DO NOT EDIT
#if !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_COMPILE_SSE
# define CV_CPU_HAS_SUPPORT_SSE 1
# define CV_CPU_CALL_SSE(...) return __VA_ARGS__
#elif !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_DISPATCH_COMPILE_SSE
# define CV_CPU_HAS_SUPPORT_SSE (cv::checkHardwareSupport(CV_CPU_SSE))
# define CV_CPU_CALL_SSE(...) if (CV_CPU_HAS_SUPPORT_SSE) return __VA_ARGS__
#else
# define CV_CPU_HAS_SUPPORT_SSE 0
# define CV_CPU_CALL_SSE(...)
#endif
#if !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_COMPILE_SSE2
# define CV_CPU_HAS_SUPPORT_SSE2 1
# define CV_CPU_CALL_SSE2(...) return __VA_ARGS__
#elif !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_DISPATCH_COMPILE_SSE2
# define CV_CPU_HAS_SUPPORT_SSE2 (cv::checkHardwareSupport(CV_CPU_SSE2))
# define CV_CPU_CALL_SSE2(...) if (CV_CPU_HAS_SUPPORT_SSE2) return __VA_ARGS__
#else
# define CV_CPU_HAS_SUPPORT_SSE2 0
# define CV_CPU_CALL_SSE2(...)
#endif
#if !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_COMPILE_SSE3
# define CV_CPU_HAS_SUPPORT_SSE3 1
# define CV_CPU_CALL_SSE3(...) return __VA_ARGS__
#elif !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_DISPATCH_COMPILE_SSE3
# define CV_CPU_HAS_SUPPORT_SSE3 (cv::checkHardwareSupport(CV_CPU_SSE3))
# define CV_CPU_CALL_SSE3(...) if (CV_CPU_HAS_SUPPORT_SSE3) return __VA_ARGS__
#else
# define CV_CPU_HAS_SUPPORT_SSE3 0
# define CV_CPU_CALL_SSE3(...)
#endif
#if !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_COMPILE_SSSE3
# define CV_CPU_HAS_SUPPORT_SSSE3 1
# define CV_CPU_CALL_SSSE3(...) return __VA_ARGS__
#elif !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_DISPATCH_COMPILE_SSSE3
# define CV_CPU_HAS_SUPPORT_SSSE3 (cv::checkHardwareSupport(CV_CPU_SSSE3))
# define CV_CPU_CALL_SSSE3(...) if (CV_CPU_HAS_SUPPORT_SSSE3) return __VA_ARGS__
#else
# define CV_CPU_HAS_SUPPORT_SSSE3 0
# define CV_CPU_CALL_SSSE3(...)
#endif
#if !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_COMPILE_SSE4_1
# define CV_CPU_HAS_SUPPORT_SSE4_1 1
# define CV_CPU_CALL_SSE4_1(...) return __VA_ARGS__
#elif !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_DISPATCH_COMPILE_SSE4_1
# define CV_CPU_HAS_SUPPORT_SSE4_1 (cv::checkHardwareSupport(CV_CPU_SSE4_1))
# define CV_CPU_CALL_SSE4_1(...) if (CV_CPU_HAS_SUPPORT_SSE4_1) return __VA_ARGS__
#else
# define CV_CPU_HAS_SUPPORT_SSE4_1 0
# define CV_CPU_CALL_SSE4_1(...)
#endif
#if !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_COMPILE_SSE4_2
# define CV_CPU_HAS_SUPPORT_SSE4_2 1
# define CV_CPU_CALL_SSE4_2(...) return __VA_ARGS__
#elif !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_DISPATCH_COMPILE_SSE4_2
# define CV_CPU_HAS_SUPPORT_SSE4_2 (cv::checkHardwareSupport(CV_CPU_SSE4_2))
# define CV_CPU_CALL_SSE4_2(...) if (CV_CPU_HAS_SUPPORT_SSE4_2) return __VA_ARGS__
#else
# define CV_CPU_HAS_SUPPORT_SSE4_2 0
# define CV_CPU_CALL_SSE4_2(...)
#endif
#if !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_COMPILE_POPCNT
# define CV_CPU_HAS_SUPPORT_POPCNT 1
# define CV_CPU_CALL_POPCNT(...) return __VA_ARGS__
#elif !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_DISPATCH_COMPILE_POPCNT
# define CV_CPU_HAS_SUPPORT_POPCNT (cv::checkHardwareSupport(CV_CPU_POPCNT))
# define CV_CPU_CALL_POPCNT(...) if (CV_CPU_HAS_SUPPORT_POPCNT) return __VA_ARGS__
#else
# define CV_CPU_HAS_SUPPORT_POPCNT 0
# define CV_CPU_CALL_POPCNT(...)
#endif
#if !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_COMPILE_AVX
# define CV_CPU_HAS_SUPPORT_AVX 1
# define CV_CPU_CALL_AVX(...) return __VA_ARGS__
#elif !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_DISPATCH_COMPILE_AVX
# define CV_CPU_HAS_SUPPORT_AVX (cv::checkHardwareSupport(CV_CPU_AVX))
# define CV_CPU_CALL_AVX(...) if (CV_CPU_HAS_SUPPORT_AVX) return __VA_ARGS__
#else
# define CV_CPU_HAS_SUPPORT_AVX 0
# define CV_CPU_CALL_AVX(...)
#endif
#if !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_COMPILE_FP16
# define CV_CPU_HAS_SUPPORT_FP16 1
# define CV_CPU_CALL_FP16(...) return __VA_ARGS__
#elif !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_DISPATCH_COMPILE_FP16
# define CV_CPU_HAS_SUPPORT_FP16 (cv::checkHardwareSupport(CV_CPU_FP16))
# define CV_CPU_CALL_FP16(...) if (CV_CPU_HAS_SUPPORT_FP16) return __VA_ARGS__
#else
# define CV_CPU_HAS_SUPPORT_FP16 0
# define CV_CPU_CALL_FP16(...)
#endif
#if !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_COMPILE_AVX2
# define CV_CPU_HAS_SUPPORT_AVX2 1
# define CV_CPU_CALL_AVX2(...) return __VA_ARGS__
#elif !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_DISPATCH_COMPILE_AVX2
# define CV_CPU_HAS_SUPPORT_AVX2 (cv::checkHardwareSupport(CV_CPU_AVX2))
# define CV_CPU_CALL_AVX2(...) if (CV_CPU_HAS_SUPPORT_AVX2) return __VA_ARGS__
#else
# define CV_CPU_HAS_SUPPORT_AVX2 0
# define CV_CPU_CALL_AVX2(...)
#endif
#if !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_COMPILE_FMA3
# define CV_CPU_HAS_SUPPORT_FMA3 1
# define CV_CPU_CALL_FMA3(...) return __VA_ARGS__
#elif !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_DISPATCH_COMPILE_FMA3
# define CV_CPU_HAS_SUPPORT_FMA3 (cv::checkHardwareSupport(CV_CPU_FMA3))
# define CV_CPU_CALL_FMA3(...) if (CV_CPU_HAS_SUPPORT_FMA3) return __VA_ARGS__
#else
# define CV_CPU_HAS_SUPPORT_FMA3 0
# define CV_CPU_CALL_FMA3(...)
#endif
#if !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_COMPILE_NEON
# define CV_CPU_HAS_SUPPORT_NEON 1
# define CV_CPU_CALL_NEON(...) return __VA_ARGS__
#elif !defined CV_DISABLE_OPTIMIZATION && defined CV_ENABLE_INTRINSICS && defined CV_CPU_DISPATCH_COMPILE_NEON
# define CV_CPU_HAS_SUPPORT_NEON (cv::checkHardwareSupport(CV_CPU_NEON))
# define CV_CPU_CALL_NEON(...) if (CV_CPU_HAS_SUPPORT_NEON) return __VA_ARGS__
#else
# define CV_CPU_HAS_SUPPORT_NEON 0
# define CV_CPU_CALL_NEON(...)
#endif

153
modules/core/include/opencv2/core/cvdef.h
View File

@ -48,6 +48,10 @@
//! @addtogroup core_utils
//! @{
#ifdef __OPENCV_BUILD
#include "cvconfig.h"
#endif
#if !defined _CRT_SECURE_NO_DEPRECATE && defined _MSC_VER && _MSC_VER > 1300
# define _CRT_SECURE_NO_DEPRECATE /* to avoid multiple Visual Studio warnings */
#endif
@ -59,10 +63,6 @@
#undef abs
#undef Complex
#if !defined _CRT_SECURE_NO_DEPRECATE && defined _MSC_VER && _MSC_VER > 1300
# define _CRT_SECURE_NO_DEPRECATE /* to avoid multiple Visual Studio warnings */
#endif
#include <limits.h>
#include "opencv2/core/hal/interface.h"
@ -88,7 +88,7 @@
# endif
#endif
#if defined CV_ICC && !defined CV_ENABLE_UNROLLED
#if defined CV_DISABLE_OPTIMIZATION || (defined CV_ICC && !defined CV_ENABLE_UNROLLED)
# define CV_ENABLE_UNROLLED 0
#else
# define CV_ENABLE_UNROLLED 1
@ -161,150 +161,9 @@ enum CpuFeatures {
CPU_NEON = 100
};
// do not include SSE/AVX/NEON headers for NVCC compiler
#ifndef __CUDACC__
#if defined __SSE2__ || defined _M_X64 || (defined _M_IX86_FP && _M_IX86_FP >= 2)
# include <emmintrin.h>
# define CV_MMX 1
# define CV_SSE 1
# define CV_SSE2 1
# if defined __SSE3__ || (defined _MSC_VER && _MSC_VER >= 1500)
# include <pmmintrin.h>
# define CV_SSE3 1
# endif
# if defined __SSSE3__ || (defined _MSC_VER && _MSC_VER >= 1500)
# include <tmmintrin.h>
# define CV_SSSE3 1
# endif
# if defined __SSE4_1__ || (defined _MSC_VER && _MSC_VER >= 1500)
# include <smmintrin.h>
# define CV_SSE4_1 1
# endif
# if defined __SSE4_2__ || (defined _MSC_VER && _MSC_VER >= 1500)
# include <nmmintrin.h>
# define CV_SSE4_2 1
# endif
# if defined __POPCNT__ || (defined _MSC_VER && _MSC_VER >= 1500)
# ifdef _MSC_VER
# include <nmmintrin.h>
# if defined(_M_X64)
# define CV_POPCNT_U64 _mm_popcnt_u64
# endif
# define CV_POPCNT_U32 _mm_popcnt_u32
# else
# include <popcntintrin.h>
# if defined(__x86_64__)
# define CV_POPCNT_U64 __builtin_popcountll
# endif
# define CV_POPCNT_U32 __builtin_popcount
# endif
# define CV_POPCNT 1
# endif
# if defined __AVX__ || (defined _MSC_VER && _MSC_VER >= 1600 && 0)
// MS Visual Studio 2010 (2012?) has no macro pre-defined to identify the use of /arch:AVX
// See: http://connect.microsoft.com/VisualStudio/feedback/details/605858/arch-avx-should-define-a-predefined-macro-in-x64-and-set-a-unique-value-for-m-ix86-fp-in-win32
# include <immintrin.h>
# define CV_AVX 1
# if defined(_XCR_XFEATURE_ENABLED_MASK)
# define __xgetbv() _xgetbv(_XCR_XFEATURE_ENABLED_MASK)
# else
# define __xgetbv() 0
# endif
# endif
# if defined __AVX2__ || (defined _MSC_VER && _MSC_VER >= 1800 && 0)
# include <immintrin.h>
# define CV_AVX2 1
# if defined __FMA__
# define CV_FMA3 1
# endif
# endif
#endif
#include "cv_cpu_dispatch.h"
#if (defined WIN32 || defined _WIN32) && defined(_M_ARM)
# include <Intrin.h>
# include <arm_neon.h>
# define CV_NEON 1
# define CPU_HAS_NEON_FEATURE (true)
#elif defined(__ARM_NEON__) || (defined (__ARM_NEON) && defined(__aarch64__))
# include <arm_neon.h>
# define CV_NEON 1
#endif
#if defined __GNUC__ && defined __arm__ && (defined __ARM_PCS_VFP || defined __ARM_VFPV3__ || defined __ARM_NEON__) && !defined __SOFTFP__
# define CV_VFP 1
#endif
#endif // __CUDACC__
#ifndef CV_POPCNT
#define CV_POPCNT 0
#endif
#ifndef CV_MMX
# define CV_MMX 0
#endif
#ifndef CV_SSE
# define CV_SSE 0
#endif
#ifndef CV_SSE2
# define CV_SSE2 0
#endif
#ifndef CV_SSE3
# define CV_SSE3 0
#endif
#ifndef CV_SSSE3
# define CV_SSSE3 0
#endif
#ifndef CV_SSE4_1
# define CV_SSE4_1 0
#endif
#ifndef CV_SSE4_2
# define CV_SSE4_2 0
#endif
#ifndef CV_AVX
# define CV_AVX 0
#endif
#ifndef CV_AVX2
# define CV_AVX2 0
#endif
#ifndef CV_FMA3
# define CV_FMA3 0
#endif
#ifndef CV_AVX_512F
# define CV_AVX_512F 0
#endif
#ifndef CV_AVX_512BW
# define CV_AVX_512BW 0
#endif
#ifndef CV_AVX_512CD
# define CV_AVX_512CD 0
#endif
#ifndef CV_AVX_512DQ
# define CV_AVX_512DQ 0
#endif
#ifndef CV_AVX_512ER
# define CV_AVX_512ER 0
#endif
#ifndef CV_AVX_512IFMA512
# define CV_AVX_512IFMA512 0
#endif
#ifndef CV_AVX_512PF
# define CV_AVX_512PF 0
#endif
#ifndef CV_AVX_512VBMI
# define CV_AVX_512VBMI 0
#endif
#ifndef CV_AVX_512VL
# define CV_AVX_512VL 0
#endif
#ifndef CV_NEON
# define CV_NEON 0
#endif
#ifndef CV_VFP
# define CV_VFP 0
#endif
/* fundamental constants */
#define CV_PI 3.1415926535897932384626433832795

60
modules/core/include/opencv2/core/fast_math.hpp
View File

@ -47,6 +47,12 @@
#include "opencv2/core/cvdef.h"
#if ((defined _MSC_VER && defined _M_X64) || (defined __GNUC__ && defined __x86_64__ \
&& defined __SSE2__ && !defined __APPLE__)) && !defined(__CUDACC__)
#include <emmintrin.h>
#endif
//! @addtogroup core_utils
//! @{
@ -66,7 +72,7 @@
# include "tegra_round.hpp"
#endif
#if CV_VFP
#if defined __GNUC__ && defined __arm__ && (defined __ARM_PCS_VFP || defined __ARM_VFPV3__ || defined __ARM_NEON__) && !defined __SOFTFP__
// 1. general scheme
#define ARM_ROUND(_value, _asm_string) \
int res; \
@ -82,7 +88,7 @@
#endif
// 3. version for float
#define ARM_ROUND_FLT(value) ARM_ROUND(value, "vcvtr.s32.f32 %[temp], %[value]\n vmov %[res], %[temp]")
#endif // CV_VFP
#endif
/** @brief Rounds floating-point number to the nearest integer
@ -93,7 +99,7 @@ CV_INLINE int
cvRound( double value )
{
#if ((defined _MSC_VER && defined _M_X64) || (defined __GNUC__ && defined __x86_64__ \
&& defined __SSE2__ && !defined __APPLE__)) && !defined(__CUDACC__)
&& defined __SSE2__ && !defined __APPLE__) || CV_SSE2) && !defined(__CUDACC__)
__m128d t = _mm_set_sd( value );
return _mm_cvtsd_si32(t);
#elif defined _MSC_VER && defined _M_IX86
@ -108,7 +114,7 @@ cvRound( double value )
defined __GNUC__) && defined HAVE_TEGRA_OPTIMIZATION
TEGRA_ROUND_DBL(value);
#elif defined CV_ICC || defined __GNUC__
# if CV_VFP
# if defined ARM_ROUND_DBL
ARM_ROUND_DBL(value);
# else
return (int)lrint(value);
@ -130,18 +136,8 @@ cvRound( double value )
*/
CV_INLINE int cvFloor( double value )
{
#if (defined _MSC_VER && defined _M_X64 || (defined __GNUC__ && defined __SSE2__ && !defined __APPLE__)) && !defined(__CUDACC__)
__m128d t = _mm_set_sd( value );
int i = _mm_cvtsd_si32(t);
return i - _mm_movemask_pd(_mm_cmplt_sd(t, _mm_cvtsi32_sd(t,i)));
#elif defined __GNUC__
int i = (int)value;
return i - (i > value);
#else
int i = cvRound(value);
float diff = (float)(value - i);
return i - (diff < 0);
#endif
}
/** @brief Rounds floating-point number to the nearest integer not smaller than the original.
@ -153,18 +149,8 @@ CV_INLINE int cvFloor( double value )
*/
CV_INLINE int cvCeil( double value )
{
#if (defined _MSC_VER && defined _M_X64 || (defined __GNUC__ && defined __SSE2__&& !defined __APPLE__)) && !defined(__CUDACC__)
__m128d t = _mm_set_sd( value );
int i = _mm_cvtsd_si32(t);
return i + _mm_movemask_pd(_mm_cmplt_sd(_mm_cvtsi32_sd(t,i), t));
#elif defined __GNUC__
int i = (int)value;
return i + (i < value);
#else
int i = cvRound(value);
float diff = (float)(i - value);
return i + (diff < 0);
#endif
}
/** @brief Determines if the argument is Not A Number.
@ -200,8 +186,8 @@ CV_INLINE int cvIsInf( double value )
/** @overload */
CV_INLINE int cvRound(float value)
{
#if ((defined _MSC_VER && defined _M_X64) || (defined __GNUC__ && defined __x86_64__ && \
defined __SSE2__ && !defined __APPLE__)) && !defined(__CUDACC__)
#if ((defined _MSC_VER && defined _M_X64) || (defined __GNUC__ && defined __x86_64__ \
&& defined __SSE2__ && !defined __APPLE__) || CV_SSE2) && !defined(__CUDACC__)
__m128 t = _mm_set_ss( value );
return _mm_cvtss_si32(t);
#elif defined _MSC_VER && defined _M_IX86
@ -216,7 +202,7 @@ CV_INLINE int cvRound(float value)
defined __GNUC__) && defined HAVE_TEGRA_OPTIMIZATION
TEGRA_ROUND_FLT(value);
#elif defined CV_ICC || defined __GNUC__
# if CV_VFP
# if defined ARM_ROUND_FLT
ARM_ROUND_FLT(value);
# else
return (int)lrintf(value);
@ -237,18 +223,8 @@ CV_INLINE int cvRound( int value )
/** @overload */
CV_INLINE int cvFloor( float value )
{
#if (defined _MSC_VER && defined _M_X64 || (defined __GNUC__ && defined __SSE2__ && !defined __APPLE__)) && !defined(__CUDACC__)
__m128 t = _mm_set_ss( value );
int i = _mm_cvtss_si32(t);
return i - _mm_movemask_ps(_mm_cmplt_ss(t, _mm_cvtsi32_ss(t,i)));
#elif defined __GNUC__
int i = (int)value;
return i - (i > value);
#else
int i = cvRound(value);
float diff = (float)(value - i);
return i - (diff < 0);
#endif
}
/** @overload */
@ -260,18 +236,8 @@ CV_INLINE int cvFloor( int value )
/** @overload */
CV_INLINE int cvCeil( float value )
{
#if (defined _MSC_VER && defined _M_X64 || (defined __GNUC__ && defined __SSE2__&& !defined __APPLE__)) && !defined(__CUDACC__)
__m128 t = _mm_set_ss( value );
int i = _mm_cvtss_si32(t);
return i + _mm_movemask_ps(_mm_cmplt_ss(_mm_cvtsi32_ss(t,i), t));
#elif defined __GNUC__
int i = (int)value;
return i + (i < value);
#else
int i = cvRound(value);
float diff = (float)(i - value);
return i + (diff < 0);
#endif
}
/** @overload */

299
modules/core/src/system.cpp
View File

@ -237,24 +237,81 @@ void Exception::formatMessage()
msg = format("%s:%d: error: (%d) %s\n", file.c_str(), line, code, err.c_str());
}
static const char* g_hwFeatureNames[CV_HARDWARE_MAX_FEATURE] = { NULL };
static const char* getHWFeatureName(int id)
{
return (id < CV_HARDWARE_MAX_FEATURE) ? g_hwFeatureNames[id] : NULL;
}
static const char* getHWFeatureNameSafe(int id)
{
const char* name = getHWFeatureName(id);
return name ? name : "Unknown feature";
}
struct HWFeatures
{
enum { MAX_FEATURE = CV_HARDWARE_MAX_FEATURE };
HWFeatures(void)
HWFeatures(bool run_initialize = false)
{
memset( have, 0, sizeof(have) );
x86_family = 0;
memset( have, 0, sizeof(have[0]) * MAX_FEATURE );
if (run_initialize)
initialize();
}
static HWFeatures initialize(void)
static void initializeNames()
{
HWFeatures f;
for (int i = 0; i < CV_HARDWARE_MAX_FEATURE; i++)
{
g_hwFeatureNames[i] = 0;
}
g_hwFeatureNames[CPU_MMX] = "MMX";
g_hwFeatureNames[CPU_SSE] = "SSE";
g_hwFeatureNames[CPU_SSE2] = "SSE2";
g_hwFeatureNames[CPU_SSE3] = "SSE3";
g_hwFeatureNames[CPU_SSSE3] = "SSSE3";
g_hwFeatureNames[CPU_SSE4_1] = "SSE4.1";
g_hwFeatureNames[CPU_SSE4_2] = "SSE4.2";
g_hwFeatureNames[CPU_POPCNT] = "POPCNT";
g_hwFeatureNames[CPU_FP16] = "FP16";
g_hwFeatureNames[CPU_AVX] = "AVX";
g_hwFeatureNames[CPU_AVX2] = "AVX2";
g_hwFeatureNames[CPU_FMA3] = "FMA3";
g_hwFeatureNames[CPU_AVX_512F] = "AVX512F";
g_hwFeatureNames[CPU_AVX_512BW] = "AVX512BW";
g_hwFeatureNames[CPU_AVX_512CD] = "AVX512CD";
g_hwFeatureNames[CPU_AVX_512DQ] = "AVX512DQ";
g_hwFeatureNames[CPU_AVX_512ER] = "AVX512ER";
g_hwFeatureNames[CPU_AVX_512IFMA512] = "AVX512IFMA";
g_hwFeatureNames[CPU_AVX_512PF] = "AVX512PF";
g_hwFeatureNames[CPU_AVX_512VBMI] = "AVX512VBMI";
g_hwFeatureNames[CPU_AVX_512VL] = "AVX512VL";
g_hwFeatureNames[CPU_NEON] = "NEON";
}
void initialize(void)
{
#ifndef WINRT
if (getenv("OPENCV_DUMP_CONFIG"))
{
fprintf(stderr, "\nOpenCV build configuration is:\n%s\n",
cv::getBuildInformation().c_str());
}
#endif
initializeNames();
int cpuid_data[4] = { 0, 0, 0, 0 };
int cpuid_data_ex[4] = { 0, 0, 0, 0 };
#if defined _MSC_VER && (defined _M_IX86 || defined _M_X64)
#define OPENCV_HAVE_X86_CPUID 1
__cpuid(cpuid_data, 1);
#elif defined __GNUC__ && (defined __i386__ || defined __x86_64__)
#define OPENCV_HAVE_X86_CPUID 1
#ifdef __x86_64__
asm __volatile__
(
@ -278,33 +335,36 @@ struct HWFeatures
#endif
#endif
f.x86_family = (cpuid_data[0] >> 8) & 15;
if( f.x86_family >= 6 )
#ifdef OPENCV_HAVE_X86_CPUID
int x86_family = (cpuid_data[0] >> 8) & 15;
if( 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
f.have[CV_CPU_FP16] = (cpuid_data[2] & (1<<29)) != 0;
have[CV_CPU_MMX] = (cpuid_data[3] & (1<<23)) != 0;
have[CV_CPU_SSE] = (cpuid_data[3] & (1<<25)) != 0;
have[CV_CPU_SSE2] = (cpuid_data[3] & (1<<26)) != 0;
have[CV_CPU_SSE3] = (cpuid_data[2] & (1<<0)) != 0;
have[CV_CPU_SSSE3] = (cpuid_data[2] & (1<<9)) != 0;
have[CV_CPU_FMA3] = (cpuid_data[2] & (1<<12)) != 0;
have[CV_CPU_SSE4_1] = (cpuid_data[2] & (1<<19)) != 0;
have[CV_CPU_SSE4_2] = (cpuid_data[2] & (1<<20)) != 0;
have[CV_CPU_POPCNT] = (cpuid_data[2] & (1<<23)) != 0;
have[CV_CPU_AVX] = (cpuid_data[2] & (1<<28)) != 0;
have[CV_CPU_FP16] = (cpuid_data[2] & (1<<29)) != 0;
// 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);
#define OPENCV_HAVE_X86_CPUID_EX 1
__cpuidex(cpuid_data_ex, 7, 0);
#elif defined __GNUC__ && (defined __i386__ || defined __x86_64__)
#define OPENCV_HAVE_X86_CPUID_EX 1
#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])
:[eax]"=a"(cpuid_data_ex[0]),[ebx]"=b"(cpuid_data_ex[1]),[ecx]"=c"(cpuid_data_ex[2]),[edx]"=d"(cpuid_data_ex[3])
:
: "cc"
);
@ -317,29 +377,76 @@ struct HWFeatures
"cpuid\n\t"
"movl %%ebx, %0\n\t"
"popl %%ebx\n\t"
: "=r"(cpuid_data[1]), "=c"(cpuid_data[2])
: "=r"(cpuid_data_ex[1]), "=c"(cpuid_data_ex[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;
#ifdef OPENCV_HAVE_X86_CPUID_EX
have[CV_CPU_AVX2] = (cpuid_data_ex[1] & (1<<5)) != 0;
have[CV_CPU_AVX_512F] = (cpuid_data_ex[1] & (1<<16)) != 0;
have[CV_CPU_AVX_512DQ] = (cpuid_data_ex[1] & (1<<17)) != 0;
have[CV_CPU_AVX_512IFMA512] = (cpuid_data_ex[1] & (1<<21)) != 0;
have[CV_CPU_AVX_512PF] = (cpuid_data_ex[1] & (1<<26)) != 0;
have[CV_CPU_AVX_512ER] = (cpuid_data_ex[1] & (1<<27)) != 0;
have[CV_CPU_AVX_512CD] = (cpuid_data_ex[1] & (1<<28)) != 0;
have[CV_CPU_AVX_512BW] = (cpuid_data_ex[1] & (1<<30)) != 0;
have[CV_CPU_AVX_512VL] = (cpuid_data_ex[1] & (1<<31)) != 0;
have[CV_CPU_AVX_512VBMI] = (cpuid_data_ex[2] & (1<<1)) != 0;
#else
CV_UNUSED(cpuid_data_ex);
#endif
bool have_AVX_OS_support = true;
bool have_AVX512_OS_support = true;
if (!(cpuid_data[2] & (1<<27)))
have_AVX_OS_support = false; // OS uses XSAVE_XRSTORE and CPU support AVX
else
{
int xcr0 = 0;
#ifdef _XCR_XFEATURE_ENABLED_MASK // requires immintrin.h
xcr0 = (int)_xgetbv(_XCR_XFEATURE_ENABLED_MASK);
#elif defined __GNUC__ && (defined __i386__ || defined __x86_64__)
__asm__ ("xgetbv" : "=a" (xcr0) : "c" (0) : "%edx" );
#endif
if ((xcr0 & 0x6) != 0x6)
have_AVX_OS_support = false; // YMM registers
if ((xcr0 & 0xe6) != 0xe6)
have_AVX512_OS_support = false; // ZMM registers
}
if (!have_AVX_OS_support)
{
have[CV_CPU_AVX] = false;
have[CV_CPU_FP16] = false;
have[CV_CPU_AVX2] = false;
have[CV_CPU_FMA3] = false;
}
if (!have_AVX_OS_support || !have_AVX512_OS_support)
{
have[CV_CPU_AVX_512F] = false;
have[CV_CPU_AVX_512BW] = false;
have[CV_CPU_AVX_512CD] = false;
have[CV_CPU_AVX_512DQ] = false;
have[CV_CPU_AVX_512ER] = false;
have[CV_CPU_AVX_512IFMA512] = false;
have[CV_CPU_AVX_512PF] = false;
have[CV_CPU_AVX_512VBMI] = false;
have[CV_CPU_AVX_512VL] = false;
}
}
#else
CV_UNUSED(cpuid_data);
CV_UNUSED(cpuid_data_ex);
#endif // OPENCV_HAVE_X86_CPUID
#if defined ANDROID || defined __linux__
#ifdef __aarch64__
f.have[CV_CPU_NEON] = true;
f.have[CV_CPU_FP16] = true;
have[CV_CPU_NEON] = true;
have[CV_CPU_FP16] = true;
#elif defined __arm__
int cpufile = open("/proc/self/auxv", O_RDONLY);
@ -352,8 +459,8 @@ struct HWFeatures
{
if (auxv.a_type == AT_HWCAP)
{
f.have[CV_CPU_NEON] = (auxv.a_un.a_val & 4096) != 0;
f.have[CV_CPU_FP16] = (auxv.a_un.a_val & 2) != 0;
have[CV_CPU_NEON] = (auxv.a_un.a_val & 4096) != 0;
have[CV_CPU_FP16] = (auxv.a_un.a_val & 2) != 0;
break;
}
}
@ -363,21 +470,133 @@ struct HWFeatures
#endif
#elif (defined __clang__ || defined __APPLE__)
#if (defined __ARM_NEON__ || (defined __ARM_NEON && defined __aarch64__))
f.have[CV_CPU_NEON] = true;
have[CV_CPU_NEON] = true;
#endif
#if (defined __ARM_FP && (((__ARM_FP & 0x2) != 0) && defined __ARM_NEON__))
f.have[CV_CPU_FP16] = true;
have[CV_CPU_FP16] = true;
#endif
#endif
return f;
int baseline_features[] = { CV_CPU_BASELINE_FEATURES };
if (!checkFeatures(baseline_features, sizeof(baseline_features) / sizeof(baseline_features[0])))
{
fprintf(stderr, "\n"
"******************************************************************\n"
"* FATAL ERROR: *\n"
"* This OpenCV build doesn't support current CPU/HW configuration *\n"
"* *\n"
"* Use OPENCV_DUMP_CONFIG=1 environment variable for details *\n"
"******************************************************************\n");
fprintf(stderr, "\nRequired baseline features:\n");
checkFeatures(baseline_features, sizeof(baseline_features) / sizeof(baseline_features[0]), true);
CV_ErrorNoReturn(cv::Error::StsAssert, "Missing support for required CPU baseline features. Check OpenCV build configuration and required CPU/HW setup.");
}
readSettings(baseline_features, sizeof(baseline_features) / sizeof(baseline_features[0]));
}
bool checkFeatures(const int* features, int count, bool dump = false)
{
bool result = true;
for (int i = 0; i < count; i++)
{
int feature = features[i];
if (feature)
{
if (have[feature])
{
if (dump) fprintf(stderr, "%s - OK\n", getHWFeatureNameSafe(feature));
}
else
{
result = false;
if (dump) fprintf(stderr, "%s - NOT AVAILABLE\n", getHWFeatureNameSafe(feature));
}
}
}
return result;
}
static inline bool isSymbolSeparator(char c)
{
return c == ',' || c == ';' || c == '-';
}
void readSettings(const int* baseline_features, int baseline_count)
{
bool dump = true;
const char* disabled_features =
#ifndef WINRT
getenv("OPENCV_CPU_DISABLE");
#else
NULL;
#endif
if (disabled_features && disabled_features[0] != 0)
{
const char* start = disabled_features;
for (;;)
{
while (start[0] != 0 && isSymbolSeparator(start[0]))
{
start++;
}
if (start[0] == 0)
break;
const char* end = start;
while (end[0] != 0 && !isSymbolSeparator(end[0]))
{
end++;
}
if (end == start)
continue;
cv::String feature(start, end);
start = end;
CV_Assert(feature.size() > 0);
bool found = false;
for (int i = 0; i < CV_HARDWARE_MAX_FEATURE; i++)
{
if (!g_hwFeatureNames[i]) continue;
size_t len = strlen(g_hwFeatureNames[i]);
if (len != feature.size()) continue;
if (feature.compare(g_hwFeatureNames[i]) == 0)
{
bool isBaseline = false;
for (int k = 0; k < baseline_count; k++)
{
if (baseline_features[k] == i)
{
isBaseline = true;
break;
}
}
if (isBaseline)
{
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));
}
if (!have[i])
{
if (dump) fprintf(stderr, "OPENCV: Trying to disable unavailable CPU feature on the current platform: '%s'.\n", getHWFeatureNameSafe(i));
}
have[i] = false;
found = true;
break;
}
}
if (!found)
{
if (dump) fprintf(stderr, "OPENCV: Trying to disable unknown CPU feature: '%s'.\n", feature.c_str());
}
}
}
}
int x86_family;
bool have[MAX_FEATURE+1];
};
static HWFeatures featuresEnabled = HWFeatures::initialize(), featuresDisabled = HWFeatures();
static HWFeatures featuresEnabled(true), featuresDisabled = HWFeatures(false);
static HWFeatures* currentFeatures = &featuresEnabled;
bool checkHardwareSupport(int feature)

2
modules/highgui/CMakeLists.txt
View File

@ -65,7 +65,7 @@ elseif(HAVE_QT)
list(APPEND HIGHGUI_LIBRARIES ${QT_LIBRARIES})
list(APPEND highgui_srcs ${CMAKE_CURRENT_LIST_DIR}/src/window_QT.cpp ${_MOC_OUTFILES} ${_RCC_OUTFILES})
ocv_check_flag_support(CXX -Wno-missing-declarations _have_flag)
ocv_check_flag_support(CXX -Wno-missing-declarations _have_flag "")
if(${_have_flag})
set_source_files_properties(${_RCC_OUTFILES} PROPERTIES COMPILE_FLAGS -Wno-missing-declarations)
endif()

4
modules/imgproc/src/imgwarp.cpp
View File

@ -1649,7 +1649,7 @@ struct VResizeLanczos4
{
CastOp castOp;
VecOp vecOp;
int k, x = vecOp((const uchar**)src, (uchar*)dst, (const uchar*)beta, width);
int x = vecOp((const uchar**)src, (uchar*)dst, (const uchar*)beta, width);
#if CV_ENABLE_UNROLLED
for( ; x <= width - 4; x += 4 )
{
@ -1657,7 +1657,7 @@ struct VResizeLanczos4
const WT* S = src[0];
WT s0 = S[x]*b, s1 = S[x+1]*b, s2 = S[x+2]*b, s3 = S[x+3]*b;
for( k = 1; k < 8; k++ )
for( int k = 1; k < 8; k++ )
{
b = beta[k]; S = src[k];
s0 += S[x]*b; s1 += S[x+1]*b;

5
modules/objdetect/src/haar.cpp
View File

@ -824,10 +824,7 @@ cvRunHaarClassifierCascadeSum( const CvHaarClassifierCascade* _cascade,
CvPoint pt, double& stage_sum, int start_stage )
{
#ifdef CV_HAAR_USE_AVX
bool haveAVX = false;
if(cv::checkHardwareSupport(CV_CPU_AVX))
if(__xgetbv()&0x6)// Check if the OS will save the YMM registers
haveAVX = true;
bool haveAVX = cv::checkHardwareSupport(CV_CPU_AVX);
#else
# ifdef CV_HAAR_USE_SSE
bool haveSSE2 = cv::checkHardwareSupport(CV_CPU_SSE2);