mirror of
https://github.com/opencv/opencv.git
synced 2024-11-27 12:40:05 +08:00
320 lines
12 KiB
CMake
320 lines
12 KiB
CMake
if(WIN32 AND NOT MSVC)
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message(STATUS "CUDA compilation is disabled (due to only Visual Studio compiler supported on your platform).")
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return()
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endif()
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if(NOT UNIX AND CV_CLANG)
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message(STATUS "CUDA compilation is disabled (due to Clang unsupported on your platform).")
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return()
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endif()
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if(((NOT CMAKE_VERSION VERSION_LESS "3.9.0") # requires https://gitlab.kitware.com/cmake/cmake/merge_requests/663
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OR OPENCV_CUDA_FORCE_EXTERNAL_CMAKE_MODULE)
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AND NOT OPENCV_CUDA_FORCE_BUILTIN_CMAKE_MODULE)
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ocv_update(CUDA_LINK_LIBRARIES_KEYWORD "LINK_PRIVATE")
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find_host_package(CUDA "${MIN_VER_CUDA}" QUIET)
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else()
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# Use OpenCV's patched "FindCUDA" module
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set(CMAKE_MODULE_PATH "${OpenCV_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
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if(ANDROID)
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set(CUDA_TARGET_OS_VARIANT "Android")
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endif()
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find_host_package(CUDA "${MIN_VER_CUDA}" QUIET)
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list(REMOVE_AT CMAKE_MODULE_PATH 0)
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endif()
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if(CUDA_FOUND)
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set(HAVE_CUDA 1)
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if(WITH_CUFFT)
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set(HAVE_CUFFT 1)
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endif()
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if(WITH_CUBLAS)
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set(HAVE_CUBLAS 1)
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endif()
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if(WITH_NVCUVID)
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find_cuda_helper_libs(nvcuvid)
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if(WIN32)
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find_cuda_helper_libs(nvcuvenc)
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endif()
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if(CUDA_nvcuvid_LIBRARY)
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set(HAVE_NVCUVID 1)
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endif()
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if(CUDA_nvcuvenc_LIBRARY)
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set(HAVE_NVCUVENC 1)
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endif()
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endif()
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message(STATUS "CUDA detected: " ${CUDA_VERSION})
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set(_generations "Fermi" "Kepler" "Maxwell" "Pascal" "Volta" "Turing")
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if(NOT CMAKE_CROSSCOMPILING)
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list(APPEND _generations "Auto")
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endif()
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set(CUDA_GENERATION "" CACHE STRING "Build CUDA device code only for specific GPU architecture. Leave empty to build for all architectures.")
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if( CMAKE_VERSION VERSION_GREATER "2.8" )
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set_property( CACHE CUDA_GENERATION PROPERTY STRINGS "" ${_generations} )
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endif()
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if(CUDA_GENERATION)
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if(NOT ";${_generations};" MATCHES ";${CUDA_GENERATION};")
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string(REPLACE ";" ", " _generations "${_generations}")
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message(FATAL_ERROR "ERROR: ${_generations} Generations are suppered.")
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endif()
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unset(CUDA_ARCH_BIN CACHE)
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unset(CUDA_ARCH_PTX CACHE)
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endif()
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SET(DETECT_ARCHS_COMMAND "${CUDA_NVCC_EXECUTABLE}" ${CUDA_NVCC_FLAGS} "${OpenCV_SOURCE_DIR}/cmake/checks/OpenCVDetectCudaArch.cu" "--run")
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if(WIN32 AND CMAKE_LINKER) #Workaround for VS cl.exe not being in the env. path
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get_filename_component(host_compiler_bindir ${CMAKE_LINKER} DIRECTORY)
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SET(DETECT_ARCHS_COMMAND ${DETECT_ARCHS_COMMAND} "-ccbin" "${host_compiler_bindir}")
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endif()
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set(__cuda_arch_ptx "")
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if(CUDA_GENERATION STREQUAL "Fermi")
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set(__cuda_arch_bin "2.0")
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elseif(CUDA_GENERATION STREQUAL "Kepler")
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set(__cuda_arch_bin "3.0 3.5 3.7")
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elseif(CUDA_GENERATION STREQUAL "Maxwell")
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set(__cuda_arch_bin "5.0 5.2")
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elseif(CUDA_GENERATION STREQUAL "Pascal")
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set(__cuda_arch_bin "6.0 6.1")
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elseif(CUDA_GENERATION STREQUAL "Volta")
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set(__cuda_arch_bin "7.0")
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elseif(CUDA_GENERATION STREQUAL "Turing")
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set(__cuda_arch_bin "7.5")
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elseif(CUDA_GENERATION STREQUAL "Auto")
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execute_process( COMMAND ${DETECT_ARCHS_COMMAND}
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WORKING_DIRECTORY "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/"
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RESULT_VARIABLE _nvcc_res OUTPUT_VARIABLE _nvcc_out
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ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
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string(REGEX REPLACE ".*\n" "" _nvcc_out "${_nvcc_out}") #Strip leading warning messages, if any
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if(NOT _nvcc_res EQUAL 0)
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message(STATUS "Automatic detection of CUDA generation failed. Going to build for all known architectures.")
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else()
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set(__cuda_arch_bin "${_nvcc_out}")
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string(REPLACE "2.1" "2.1(2.0)" __cuda_arch_bin "${__cuda_arch_bin}")
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endif()
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endif()
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if(NOT DEFINED __cuda_arch_bin)
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if(ARM)
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set(__cuda_arch_bin "3.2")
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set(__cuda_arch_ptx "")
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elseif(AARCH64)
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execute_process( COMMAND ${DETECT_ARCHS_COMMAND}
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WORKING_DIRECTORY "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/"
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RESULT_VARIABLE _nvcc_res OUTPUT_VARIABLE _nvcc_out
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ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
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string(REGEX REPLACE ".*\n" "" _nvcc_out "${_nvcc_out}") #Strip leading warning messages, if any
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if(NOT _nvcc_res EQUAL 0)
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message(STATUS "Automatic detection of CUDA generation failed. Going to build for all known architectures.")
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set(__cuda_arch_bin "5.3 6.2 7.2")
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else()
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set(__cuda_arch_bin "${_nvcc_out}")
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string(REPLACE "2.1" "2.1(2.0)" __cuda_arch_bin "${__cuda_arch_bin}")
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endif()
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set(__cuda_arch_ptx "")
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else()
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if(CUDA_VERSION VERSION_LESS "9.0")
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set(__cuda_arch_bin "2.0 3.0 3.5 3.7 5.0 5.2 6.0 6.1")
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elseif(CUDA_VERSION VERSION_LESS "10.0")
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set(__cuda_arch_bin "3.0 3.5 3.7 5.0 5.2 6.0 6.1 7.0")
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else()
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set(__cuda_arch_bin "3.0 3.5 3.7 5.0 5.2 6.0 6.1 7.0 7.5")
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endif()
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endif()
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endif()
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set(CUDA_ARCH_BIN ${__cuda_arch_bin} CACHE STRING "Specify 'real' GPU architectures to build binaries for, BIN(PTX) format is supported")
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set(CUDA_ARCH_PTX ${__cuda_arch_ptx} CACHE STRING "Specify 'virtual' PTX architectures to build PTX intermediate code for")
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string(REGEX REPLACE "\\." "" ARCH_BIN_NO_POINTS "${CUDA_ARCH_BIN}")
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string(REGEX REPLACE "\\." "" ARCH_PTX_NO_POINTS "${CUDA_ARCH_PTX}")
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# Ckeck if user specified 1.0 compute capability: we don't support it
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string(REGEX MATCH "1.0" HAS_ARCH_10 "${CUDA_ARCH_BIN} ${CUDA_ARCH_PTX}")
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set(CUDA_ARCH_BIN_OR_PTX_10 0)
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if(NOT ${HAS_ARCH_10} STREQUAL "")
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set(CUDA_ARCH_BIN_OR_PTX_10 1)
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endif()
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# NVCC flags to be set
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set(NVCC_FLAGS_EXTRA "")
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# These vars will be passed into the templates
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set(OPENCV_CUDA_ARCH_BIN "")
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set(OPENCV_CUDA_ARCH_PTX "")
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set(OPENCV_CUDA_ARCH_FEATURES "")
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# Tell NVCC to add binaries for the specified GPUs
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string(REGEX MATCHALL "[0-9()]+" ARCH_LIST "${ARCH_BIN_NO_POINTS}")
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foreach(ARCH IN LISTS ARCH_LIST)
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if(ARCH MATCHES "([0-9]+)\\(([0-9]+)\\)")
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# User explicitly specified PTX for the concrete BIN
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set(NVCC_FLAGS_EXTRA ${NVCC_FLAGS_EXTRA} -gencode arch=compute_${CMAKE_MATCH_2},code=sm_${CMAKE_MATCH_1})
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set(OPENCV_CUDA_ARCH_BIN "${OPENCV_CUDA_ARCH_BIN} ${CMAKE_MATCH_1}")
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set(OPENCV_CUDA_ARCH_FEATURES "${OPENCV_CUDA_ARCH_FEATURES} ${CMAKE_MATCH_2}")
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else()
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# User didn't explicitly specify PTX for the concrete BIN, we assume PTX=BIN
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set(NVCC_FLAGS_EXTRA ${NVCC_FLAGS_EXTRA} -gencode arch=compute_${ARCH},code=sm_${ARCH})
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set(OPENCV_CUDA_ARCH_BIN "${OPENCV_CUDA_ARCH_BIN} ${ARCH}")
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set(OPENCV_CUDA_ARCH_FEATURES "${OPENCV_CUDA_ARCH_FEATURES} ${ARCH}")
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endif()
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endforeach()
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set(NVCC_FLAGS_EXTRA ${NVCC_FLAGS_EXTRA} -D_FORCE_INLINES)
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# Tell NVCC to add PTX intermediate code for the specified architectures
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string(REGEX MATCHALL "[0-9]+" ARCH_LIST "${ARCH_PTX_NO_POINTS}")
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foreach(ARCH IN LISTS ARCH_LIST)
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set(NVCC_FLAGS_EXTRA ${NVCC_FLAGS_EXTRA} -gencode arch=compute_${ARCH},code=compute_${ARCH})
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set(OPENCV_CUDA_ARCH_PTX "${OPENCV_CUDA_ARCH_PTX} ${ARCH}")
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set(OPENCV_CUDA_ARCH_FEATURES "${OPENCV_CUDA_ARCH_FEATURES} ${ARCH}")
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endforeach()
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# These vars will be processed in other scripts
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set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} ${NVCC_FLAGS_EXTRA})
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set(OpenCV_CUDA_CC "${NVCC_FLAGS_EXTRA}")
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if(ANDROID)
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set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} "-Xptxas;-dlcm=ca")
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endif()
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message(STATUS "CUDA NVCC target flags: ${CUDA_NVCC_FLAGS}")
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OCV_OPTION(CUDA_FAST_MATH "Enable --use_fast_math for CUDA compiler " OFF)
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if(CUDA_FAST_MATH)
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set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} --use_fast_math)
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endif()
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mark_as_advanced(CUDA_BUILD_CUBIN CUDA_BUILD_EMULATION CUDA_VERBOSE_BUILD CUDA_SDK_ROOT_DIR)
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macro(ocv_cuda_filter_options)
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foreach(var CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG)
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set(${var}_backup_in_cuda_compile_ "${${var}}")
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if (CV_CLANG)
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# we remove -Winconsistent-missing-override and -Qunused-arguments
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# just in case we are compiling CUDA with gcc but OpenCV with clang
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string(REPLACE "-Winconsistent-missing-override" "" ${var} "${${var}}")
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string(REPLACE "-Qunused-arguments" "" ${var} "${${var}}")
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endif()
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# we remove /EHa as it generates warnings under windows
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string(REPLACE "/EHa" "" ${var} "${${var}}")
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# we remove -ggdb3 flag as it leads to preprocessor errors when compiling CUDA files (CUDA 4.1)
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string(REPLACE "-ggdb3" "" ${var} "${${var}}")
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# we remove -Wsign-promo as it generates warnings under linux
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string(REPLACE "-Wsign-promo" "" ${var} "${${var}}")
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# we remove -Wno-sign-promo as it generates warnings under linux
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string(REPLACE "-Wno-sign-promo" "" ${var} "${${var}}")
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# we remove -Wno-delete-non-virtual-dtor because it's used for C++ compiler
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# but NVCC uses C compiler by default
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string(REPLACE "-Wno-delete-non-virtual-dtor" "" ${var} "${${var}}")
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# we remove -frtti because it's used for C++ compiler
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# but NVCC uses C compiler by default
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string(REPLACE "-frtti" "" ${var} "${${var}}")
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string(REPLACE "-fvisibility-inlines-hidden" "" ${var} "${${var}}")
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# cc1: warning: command line option '-Wsuggest-override' is valid for C++/ObjC++ but not for C
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string(REPLACE "-Wsuggest-override" "" ${var} "${${var}}")
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# issue: #11552 (from OpenCVCompilerOptions.cmake)
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string(REGEX REPLACE "-Wimplicit-fallthrough(=[0-9]+)? " "" ${var} "${${var}}")
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# removal of custom specified options
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if(OPENCV_CUDA_NVCC_FILTEROUT_OPTIONS)
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foreach(__flag ${OPENCV_CUDA_NVCC_FILTEROUT_OPTIONS})
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string(REPLACE "${__flag}" "" ${var} "${${var}}")
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endforeach()
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endif()
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endforeach()
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endmacro()
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macro(ocv_cuda_compile VAR)
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ocv_cuda_filter_options()
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if(BUILD_SHARED_LIBS)
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set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler -DCVAPI_EXPORTS)
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endif()
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if(UNIX OR APPLE)
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set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler -fPIC --std=c++11)
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endif()
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if(APPLE)
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set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler -fno-finite-math-only)
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endif()
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if(CMAKE_CROSSCOMPILING AND (ARM OR AARCH64))
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set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xlinker --unresolved-symbols=ignore-in-shared-libs)
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endif()
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# disabled because of multiple warnings during building nvcc auto generated files
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if(CV_GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "4.6.0")
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ocv_warnings_disable(CMAKE_CXX_FLAGS -Wunused-but-set-variable)
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endif()
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CUDA_COMPILE(${VAR} ${ARGN})
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foreach(var CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG)
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set(${var} "${${var}_backup_in_cuda_compile_}")
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unset(${var}_backup_in_cuda_compile_)
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endforeach()
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endmacro()
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else()
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unset(CUDA_ARCH_BIN CACHE)
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unset(CUDA_ARCH_PTX CACHE)
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endif()
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if(HAVE_CUDA)
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set(CUDA_LIBS_PATH "")
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foreach(p ${CUDA_LIBRARIES} ${CUDA_npp_LIBRARY})
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get_filename_component(_tmp ${p} PATH)
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list(APPEND CUDA_LIBS_PATH ${_tmp})
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endforeach()
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if(HAVE_CUBLAS)
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foreach(p ${CUDA_cublas_LIBRARY})
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get_filename_component(_tmp ${p} PATH)
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list(APPEND CUDA_LIBS_PATH ${_tmp})
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endforeach()
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endif()
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if(HAVE_CUFFT)
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foreach(p ${CUDA_cufft_LIBRARY})
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get_filename_component(_tmp ${p} PATH)
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list(APPEND CUDA_LIBS_PATH ${_tmp})
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endforeach()
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endif()
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list(REMOVE_DUPLICATES CUDA_LIBS_PATH)
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link_directories(${CUDA_LIBS_PATH})
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set(CUDA_LIBRARIES_ABS ${CUDA_LIBRARIES})
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ocv_convert_to_lib_name(CUDA_LIBRARIES ${CUDA_LIBRARIES})
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set(CUDA_npp_LIBRARY_ABS ${CUDA_npp_LIBRARY})
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ocv_convert_to_lib_name(CUDA_npp_LIBRARY ${CUDA_npp_LIBRARY})
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if(HAVE_CUBLAS)
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set(CUDA_cublas_LIBRARY_ABS ${CUDA_cublas_LIBRARY})
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ocv_convert_to_lib_name(CUDA_cublas_LIBRARY ${CUDA_cublas_LIBRARY})
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endif()
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if(HAVE_CUFFT)
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set(CUDA_cufft_LIBRARY_ABS ${CUDA_cufft_LIBRARY})
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ocv_convert_to_lib_name(CUDA_cufft_LIBRARY ${CUDA_cufft_LIBRARY})
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endif()
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endif()
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