mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
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442 lines
20 KiB
442 lines
20 KiB
macro(ocv_check_for_nvidia_video_codec_sdk cuda_toolkit_dirs) |
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macro(ocv_cuda_SEARCH_NVCUVID_HEADER _filename _result) |
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# place header file under CUDAToolkit_LIBRARY_ROOT |
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find_path(_header_result |
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${_filename} |
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PATHS ${cuda_toolkit_dirs} |
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PATH_SUFFIXES include |
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NO_DEFAULT_PATH |
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) |
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if("x${_header_result}" STREQUAL "x_header_result-NOTFOUND") |
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set(${_result} 0) |
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else() |
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set(${_result} 1) |
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endif() |
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unset(_header_result CACHE) |
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endmacro() |
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if(WITH_NVCUVID) |
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ocv_cuda_SEARCH_NVCUVID_HEADER("nvcuvid.h" HAVE_NVCUVID_HEADER) |
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# make sure to have both header and library before enabling |
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if(${HAVE_NVCUVID_HEADER}) |
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find_cuda_helper_libs(nvcuvid) |
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if(CUDA_nvcuvid_LIBRARY) |
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set(HAVE_NVCUVID 1) |
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message(STATUS "Found NVCUVID: ${CUDA_nvcuvid_LIBRARY}") |
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else() |
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if(WIN32) |
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message(STATUS "NVCUVID: Library not found, WITH_NVCUVID requires Nvidia decoding library nvcuvid.lib to either be inside ${cuda_toolkit_dirs}/lib or its location manually set with CUDA_nvcuvid_LIBRARY, i.e. CUDA_nvcuvid_LIBRARY=${cuda_toolkit_dirs}/lib/nvcuvid.lib") |
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else() |
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message(STATUS "NVCUVID: Library not found, WITH_NVCUVID requires the Nvidia decoding shared library nvcuvid.so from the driver installation or the location of the stub library to be manually set with CUDA_nvcuvid_LIBRARY i.e. CUDA_nvcuvid_LIBRARY=/home/user/Video_Codec_SDK_X.X.X/Lib/linux/stubs/x86_64/nvcuvid.so") |
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endif() |
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endif() |
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else() |
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message(STATUS "NVCUVID: Header not found, WITH_NVCUVID requires Nvidia decoding library header ${cuda_toolkit_dirs}/include/nvcuvid.h") |
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endif() |
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endif() |
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if(WITH_NVCUVENC) |
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ocv_cuda_SEARCH_NVCUVID_HEADER("nvEncodeAPI.h" HAVE_NVCUVENC_HEADER) |
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if(${HAVE_NVCUVENC_HEADER}) |
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if(WIN32) |
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find_cuda_helper_libs(nvencodeapi) |
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else() |
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find_cuda_helper_libs(nvidia-encode) |
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endif() |
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if(CUDA_nvencodeapi_LIBRARY OR CUDA_nvidia-encode_LIBRARY) |
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set(HAVE_NVCUVENC 1) |
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message(STATUS "Found NVCUVENC: ${CUDA_nvencodeapi_LIBRARY} ${CUDA_nvidia-encode_LIBRARY}") |
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else() |
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if(WIN32) |
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message(STATUS "NVCUVENC: Library not found, WITH_NVCUVENC requires Nvidia encoding library nvencodeapi.lib to either be inside ${cuda_toolkit_dirs}/lib or its location manually set with CUDA_nvencodeapi_LIBRARY, i.e. CUDA_nvencodeapi_LIBRARY=${cuda_toolkit_dirs}/lib/nvencodeapi.lib") |
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else() |
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message(STATUS "NVCUVENC: Library not found, WITH_NVCUVENC requires the Nvidia encoding shared library libnvidia-encode.so from the driver installation or the location of the stub library to be manually set with CUDA_nvidia-encode_LIBRARY i.e. CUDA_nvidia-encode_LIBRARY=/home/user/Video_Codec_SDK_X.X.X/Lib/linux/stubs/x86_64/libnvidia-encode.so") |
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endif() |
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endif() |
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else() |
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message(STATUS "NVCUVENC: Header not found, WITH_NVCUVENC requires Nvidia encoding library header ${cuda_toolkit_dirs}/include/nvEncodeAPI.h") |
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endif() |
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endif() |
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endmacro() |
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# Use CMAKE_CUDA_ARCHITECTURES if provided: order of preference CMAKE_CUDA_ARCHITECTURES > CUDA_GENERATION > CUDA_ARCH_BIN and/or CUDA_ARCH_PTX |
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function(ocv_check_for_cmake_cuda_architectures) |
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if(NOT CMAKE_CUDA_ARCHITECTURES) |
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return() |
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endif() |
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if(CMAKE_CUDA_ARCHITECTURES STREQUAL "all" OR CMAKE_CUDA_ARCHITECTURES STREQUAL "all-major" OR CMAKE_CUDA_ARCHITECTURES STREQUAL "native") |
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message(WARNING "CUDA: CMAKE_CUDA_ARCHITECTURES=${CMAKE_CUDA_ARCHITECTURES}, special values all, all-major and native are not supported by OpenCV, specify only CUDA real and/or virtual architectures or use combinations of CUDA_ARCH_BIN and CUDA_ARCH_PTX or specify the CUDA_GENERATION where -DCUDA_GENERATION=Auto is equivalent to native!") |
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return() |
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endif() |
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set(internal_ptx "") |
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set(internal_bin "") |
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foreach(ARCH IN LISTS CMAKE_CUDA_ARCHITECTURES) |
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if(ARCH MATCHES "([0-9]+)\-real") |
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set(internal_bin ${internal_bin} ${CMAKE_MATCH_1};) |
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elseif(ARCH MATCHES "([0-9]+)\-virtual") |
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set(internal_ptx ${internal_ptx} ${CMAKE_MATCH_1};) |
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elseif(ARCH MATCHES "([0-9]+)") |
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set(internal_bin ${internal_bin} ${CMAKE_MATCH_1};) |
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set(internal_ptx ${internal_ptx} ${CMAKE_MATCH_1};) |
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endif() |
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endforeach() |
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if(internal_bin OR internal_ptx) |
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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(internal_ptx) |
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set(CUDA_ARCH_PTX ${internal_ptx} CACHE STRING "Specify 'virtual' PTX architectures to build PTX intermediate code for (see https://docs.opencv.org/4.x/d2/dbc/cuda_intro.html)") |
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endif() |
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if(internal_bin) |
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set(CUDA_ARCH_BIN ${internal_bin} CACHE STRING "Specify 'real' GPU architectures to build binaries for, BIN(PTX) format is supported (see https://docs.opencv.org/4.x/d2/dbc/cuda_intro.html)") |
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endif() |
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set(CMAKE_CUDA_ARCHITECTURES "" PARENT) |
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unset(CUDA_GENERATION CACHE) |
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endfunction() |
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macro(ocv_initialize_nvidia_device_generations) |
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OCV_OPTION(CUDA_ENABLE_DEPRECATED_GENERATION "Enable deprecated generations in the list" OFF) |
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set(_generations "Maxwell" "Pascal" "Volta" "Turing" "Ampere" "Lovelace" "Hopper") |
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if(CUDA_ENABLE_DEPRECATED_GENERATION) |
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set(_generations "Fermi" "${_generations}") |
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set(_generations "Kepler" "${_generations}") |
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endif() |
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set(_arch_fermi "2.0") |
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set(_arch_kepler "3.0;3.5;3.7") |
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set(_arch_maxwell "5.0;5.2") |
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set(_arch_pascal "6.0;6.1") |
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set(_arch_volta "7.0") |
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set(_arch_turing "7.5") |
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set(_arch_ampere "8.0;8.6") |
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set(_arch_lovelace "8.9") |
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set(_arch_hopper "9.0") |
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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 (see https://docs.opencv.org/4.x/d2/dbc/cuda_intro.html).") |
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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: ${_generations} Generations are supported.") |
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endif() |
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unset(CUDA_ARCH_BIN CACHE) |
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unset(CUDA_ARCH_PTX CACHE) |
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endif() |
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endmacro() |
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macro(ocv_set_cuda_detection_nvcc_flags cuda_host_compiler_var) |
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if(OPENCV_CUDA_DETECTION_NVCC_FLAGS MATCHES "-ccbin") |
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# already specified by user |
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elseif(${cuda_host_compiler_var} AND EXISTS "${${cuda_host_compiler_var}}") |
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get_filename_component(c_compiler_realpath "${CMAKE_C_COMPILER}" REALPATH) |
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# C compiler doesn't work with --run option, forcing C++ compiler instead |
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if(${cuda_host_compiler_var} STREQUAL c_compiler_realpath OR ${cuda_host_compiler_var} STREQUAL CMAKE_C_COMPILER) |
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if(DEFINED CMAKE_CXX_COMPILER) |
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get_filename_component(cxx_compiler_realpath "${CMAKE_CXX_COMPILER}" REALPATH) |
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LIST(APPEND OPENCV_CUDA_DETECTION_NVCC_FLAGS -ccbin "${cxx_compiler_realpath}") |
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else() |
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message(STATUS "CUDA: CMAKE_CXX_COMPILER is not available. You may need to specify ${cuda_host_compiler_var}.") |
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endif() |
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else() |
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LIST(APPEND OPENCV_CUDA_DETECTION_NVCC_FLAGS -ccbin "${${cuda_host_compiler_var}}") |
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endif() |
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elseif(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 ${CMAKE_LINKER} DIRECTORY) |
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LIST(APPEND OPENCV_CUDA_DETECTION_NVCC_FLAGS -ccbin "${host_compiler_bindir}") |
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else() |
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if(${cuda_host_compiler_var}) |
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message(STATUS "CUDA: ${cuda_host_compiler_var}='${cuda_host_compiler}' is not valid, autodetection may not work. Specify OPENCV_CUDA_DETECTION_NVCC_FLAGS with -ccbin option for fix that") |
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endif() |
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endif() |
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endmacro() |
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macro(ocv_filter_available_architecture nvcc_executable result_list) |
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set(__cache_key_check "${ARGN} : ${nvcc_executable} ${OPENCV_CUDA_DETECTION_NVCC_FLAGS}") |
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if(DEFINED OPENCV_CACHE_CUDA_SUPPORTED_CC AND OPENCV_CACHE_CUDA_SUPPORTED_CC_check STREQUAL __cache_key_check) |
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set(${result_list} "${OPENCV_CACHE_CUDA_SUPPORTED_CC}") |
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else() |
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set(CC_LIST ${ARGN}) |
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foreach(target_arch ${CC_LIST}) |
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string(REPLACE "." "" target_arch_short "${target_arch}") |
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set(NVCC_OPTION "-gencode;arch=compute_${target_arch_short},code=sm_${target_arch_short}") |
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set(_cmd "${nvcc_executable}" ${OPENCV_CUDA_DETECTION_NVCC_FLAGS} ${NVCC_OPTION} "${OpenCV_SOURCE_DIR}/cmake/checks/OpenCVDetectCudaArch.cu" --compile) |
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execute_process( |
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COMMAND ${_cmd} |
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WORKING_DIRECTORY "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/" |
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RESULT_VARIABLE _nvcc_res |
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OUTPUT_VARIABLE _nvcc_out |
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ERROR_VARIABLE _nvcc_err |
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#ERROR_QUIET |
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OUTPUT_STRIP_TRAILING_WHITESPACE |
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) |
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if(OPENCV_CMAKE_CUDA_DEBUG) |
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message(WARNING "COMMAND: ${_cmd}") |
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message(STATUS "Result: ${_nvcc_res}") |
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message(STATUS "Out: ${_nvcc_out}") |
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message(STATUS "Err: ${_nvcc_err}") |
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endif() |
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if(_nvcc_res EQUAL 0) |
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LIST(APPEND ${result_list} "${target_arch}") |
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endif() |
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endforeach() |
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string(STRIP "${${result_list}}" ${result_list}) |
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if(" ${${result_list}}" STREQUAL " ") |
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message(WARNING "CUDA: Autodetection arch list is empty. Please enable OPENCV_CMAKE_CUDA_DEBUG=1 and check/specify OPENCV_CUDA_DETECTION_NVCC_FLAGS variable") |
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endif() |
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# cache detected values |
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set(OPENCV_CACHE_CUDA_SUPPORTED_CC ${${result_list}} CACHE INTERNAL "") |
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set(OPENCV_CACHE_CUDA_SUPPORTED_CC_check "${__cache_key_check}" CACHE INTERNAL "") |
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endif() |
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endmacro() |
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macro(ocv_detect_native_cuda_arch nvcc_executable status output) |
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set(OPENCV_CUDA_DETECT_ARCHS_COMMAND "${nvcc_executable}" ${OPENCV_CUDA_DETECTION_NVCC_FLAGS} "${OpenCV_SOURCE_DIR}/cmake/checks/OpenCVDetectCudaArch.cu" "--run") |
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set(__cache_key_check "${OPENCV_CUDA_DETECT_ARCHS_COMMAND}") |
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if(DEFINED OPENCV_CACHE_CUDA_ACTIVE_CC AND OPENCV_CACHE_CUDA_ACTIVE_CC_check STREQUAL __cache_key_check) |
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set(${output} "${OPENCV_CACHE_CUDA_ACTIVE_CC}") |
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set(${status} 0) |
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else() |
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execute_process( |
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COMMAND ${OPENCV_CUDA_DETECT_ARCHS_COMMAND} |
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WORKING_DIRECTORY "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/" |
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RESULT_VARIABLE ${status} |
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OUTPUT_VARIABLE _nvcc_out |
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ERROR_VARIABLE _nvcc_err |
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ERROR_QUIET |
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OUTPUT_STRIP_TRAILING_WHITESPACE |
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) |
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if(OPENCV_CMAKE_CUDA_DEBUG) |
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message(WARNING "COMMAND: ${OPENCV_CUDA_DETECT_ARCHS_COMMAND}") |
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message(STATUS "Result: ${${status}}") |
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message(STATUS "Out: ${_nvcc_out}") |
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message(STATUS "Err: ${_nvcc_err}") |
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endif() |
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string(REGEX REPLACE ".*\n" "" ${output} "${_nvcc_out}") #Strip leading warning messages, if any |
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if(${status} EQUAL 0) |
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# cache detected values |
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set(OPENCV_CACHE_CUDA_ACTIVE_CC ${${output}} CACHE INTERNAL "") |
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set(OPENCV_CACHE_CUDA_ACTIVE_CC_check "${__cache_key_check}" CACHE INTERNAL "") |
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endif() |
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endif() |
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endmacro() |
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macro(ocv_set_cuda_arch_bin_and_ptx nvcc_executable) |
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ocv_initialize_nvidia_device_generations() |
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set(__cuda_arch_ptx ${CUDA_ARCH_PTX}) |
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if(CUDA_GENERATION STREQUAL "Fermi") |
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set(__cuda_arch_bin ${_arch_fermi}) |
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elseif(CUDA_GENERATION STREQUAL "Kepler") |
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set(__cuda_arch_bin ${_arch_kepler}) |
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elseif(CUDA_GENERATION STREQUAL "Maxwell") |
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set(__cuda_arch_bin ${_arch_maxwell}) |
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elseif(CUDA_GENERATION STREQUAL "Pascal") |
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set(__cuda_arch_bin ${_arch_pascal}) |
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elseif(CUDA_GENERATION STREQUAL "Volta") |
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set(__cuda_arch_bin ${_arch_volta}) |
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elseif(CUDA_GENERATION STREQUAL "Turing") |
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set(__cuda_arch_bin ${_arch_turing}) |
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elseif(CUDA_GENERATION STREQUAL "Ampere") |
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set(__cuda_arch_bin ${_arch_ampere}) |
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elseif(CUDA_GENERATION STREQUAL "Lovelace") |
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set(__cuda_arch_bin ${_arch_lovelace}) |
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elseif(CUDA_GENERATION STREQUAL "Hopper") |
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set(__cuda_arch_bin ${_arch_hopper}) |
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elseif(CUDA_GENERATION STREQUAL "Auto") |
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ocv_detect_native_cuda_arch(${nvcc_executable} _nvcc_res _nvcc_out) |
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if(NOT _nvcc_res EQUAL 0) |
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message(STATUS "CUDA: Automatic detection of CUDA generation failed. Going to build for all known architectures") |
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else() |
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string(REGEX MATCHALL "[0-9]+\\.[0-9]" __cuda_arch_bin "${_nvcc_out}") |
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endif() |
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elseif(CUDA_ARCH_BIN) |
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message(STATUS "CUDA: Using CUDA_ARCH_BIN=${CUDA_ARCH_BIN}") |
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set(__cuda_arch_bin ${CUDA_ARCH_BIN}) |
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endif() |
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if(NOT DEFINED __cuda_arch_bin AND NOT DEFINED __cuda_arch_ptx) |
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if(ARM) |
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set(__cuda_arch_bin "3.2") |
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set(__cuda_arch_ptx "") |
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elseif(AARCH64) |
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if(NOT CMAKE_CROSSCOMPILING) |
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ocv_detect_native_cuda_arch(${nvcc_executable} _nvcc_res _nvcc_out) |
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else() |
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set(_nvcc_res -1) # emulate error, see below |
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endif() |
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if(NOT _nvcc_res EQUAL 0) |
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message(STATUS "CUDA: Automatic detection of CUDA generation failed. Going to build for all known architectures") |
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# TX1 (5.3) TX2 (6.2) Xavier (7.2) V100 (7.0) Orin (8.7) |
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ocv_filter_available_architecture(${nvcc_executable} __cuda_arch_bin |
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5.3 |
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6.2 |
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7.2 |
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7.0 |
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8.7 |
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) |
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else() |
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set(__cuda_arch_bin "${_nvcc_out}") |
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endif() |
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set(__cuda_arch_ptx "") |
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else() |
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ocv_filter_available_architecture(${nvcc_executable} __cuda_arch_bin |
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${_arch_fermi} |
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${_arch_kepler} |
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${_arch_maxwell} |
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${_arch_pascal} |
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${_arch_volta} |
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${_arch_turing} |
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${_arch_ampere} |
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${_arch_lovelace} |
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${_arch_hopper} |
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) |
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list(GET __cuda_arch_bin -1 __cuda_arch_ptx) |
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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 (see https://docs.opencv.org/4.x/d2/dbc/cuda_intro.html)") |
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set(CUDA_ARCH_PTX ${__cuda_arch_ptx} CACHE STRING "Specify 'virtual' PTX architectures to build PTX intermediate code for (see https://docs.opencv.org/4.x/d2/dbc/cuda_intro.html)") |
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string(REGEX REPLACE "\\." "" ARCH_BIN_NO_POINTS "${CUDA_ARCH_BIN}") |
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string(REGEX REPLACE "\\." "" ARCH_PTX_NO_POINTS "${CUDA_ARCH_PTX}") |
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# Check if user specified 1.0/2.1 compute capability: we don't support it |
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macro(ocv_wipeout_deprecated_cc target_cc) |
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if(" ${CUDA_ARCH_BIN} ${CUDA_ARCH_PTX}" MATCHES " ${target_cc}") |
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message(SEND_ERROR "CUDA: ${target_cc} compute capability is not supported - exclude it from ARCH/PTX list and re-run CMake") |
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endif() |
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endmacro() |
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ocv_wipeout_deprecated_cc("1.0") |
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ocv_wipeout_deprecated_cc("2.1") |
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endmacro() |
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macro(ocv_set_nvcc_threads_for_vs) |
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# Tell NVCC the maximum number of threads to be used to execute the compilation steps in parallel |
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# (option --threads was introduced in version 11.2) |
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if(NOT CUDA_VERSION VERSION_LESS "11.2") |
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if(CMAKE_GENERATOR MATCHES "Visual Studio" AND NOT $ENV{CMAKE_BUILD_PARALLEL_LEVEL} STREQUAL "") |
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set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} "--threads=$ENV{CMAKE_BUILD_PARALLEL_LEVEL}") |
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endif() |
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endif() |
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endmacro() |
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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_nvcc_flags) |
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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) |
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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(WIN32 AND NOT (CUDA_VERSION VERSION_LESS "11.2")) |
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set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcudafe --display_error_number --diag-suppress 1394,1388) |
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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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endmacro() |
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macro(ocv_apply_cuda_stub_workaround cuda_driver_library_path) |
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# details: https://github.com/NVIDIA/nvidia-docker/issues/775 |
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if(" ${cuda_driver_library_path}" MATCHES "/stubs/libcuda.so" AND NOT OPENCV_SKIP_CUDA_STUB_WORKAROUND) |
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set(CUDA_STUB_ENABLED_LINK_WORKAROUND 1) |
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if(EXISTS "${cuda_driver_library_path}" AND NOT OPENCV_SKIP_CUDA_STUB_WORKAROUND_RPATH_LINK) |
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set(CUDA_STUB_TARGET_PATH "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/") |
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execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink "${cuda_driver_library_path}" "${CUDA_STUB_TARGET_PATH}/libcuda.so.1" |
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RESULT_VARIABLE CUDA_STUB_SYMLINK_RESULT) |
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if(NOT CUDA_STUB_SYMLINK_RESULT EQUAL 0) |
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execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different "${cuda_driver_library_path}" "${CUDA_STUB_TARGET_PATH}/libcuda.so.1" |
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RESULT_VARIABLE CUDA_STUB_COPY_RESULT) |
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if(NOT CUDA_STUB_COPY_RESULT EQUAL 0) |
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set(CUDA_STUB_ENABLED_LINK_WORKAROUND 0) |
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endif() |
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endif() |
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if(CUDA_STUB_ENABLED_LINK_WORKAROUND) |
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-rpath-link,\"${CUDA_STUB_TARGET_PATH}\"") |
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endif() |
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else() |
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--allow-shlib-undefined") |
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endif() |
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if(NOT CUDA_STUB_ENABLED_LINK_WORKAROUND) |
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message(WARNING "CUDA: Workaround for stubs/libcuda.so.1 is not applied") |
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endif() |
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endif() |
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endmacro() |
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macro(ocv_check_cuda_delayed_load cuda_toolkit_root_dir) |
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if(MSVC AND CUDA_ENABLE_DELAYLOAD) |
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set(DELAYFLAGS "delayimp.lib") |
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file(GLOB CUDA_DLLS "${cuda_toolkit_root_dir}/bin/*.dll") |
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foreach(d ${CUDA_DLLS}) |
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cmake_path(GET "d" FILENAME DLL_NAME) |
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if(NOT ${DLL_NAME} MATCHES "cudart") |
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set(DELAYFLAGS "${DELAYFLAGS} /DELAYLOAD:${DLL_NAME}") |
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endif() |
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endforeach() |
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set(DELAYFLAGS "${DELAYFLAGS} /DELAYLOAD:nvcuda.dll /DELAYLOAD:nvml.dll /IGNORE:4199") |
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${DELAYFLAGS}") |
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set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${DELAYFLAGS}") |
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${DELAYFLAGS}") |
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endif() |
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endmacro()
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