mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
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300 lines
11 KiB
300 lines
11 KiB
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 APPLE 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") |
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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: ${_generations} Generations are suppered.") |
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endif() |
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unset(CUDA_ARCH_BIN CACHE) |
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unset(CUDA_ARCH_PTX CACHE) |
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endif() |
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set(__cuda_arch_ptx "") |
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if(CUDA_GENERATION STREQUAL "Fermi") |
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set(__cuda_arch_bin "2.0") |
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elseif(CUDA_GENERATION STREQUAL "Kepler") |
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set(__cuda_arch_bin "3.0 3.5 3.7") |
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elseif(CUDA_GENERATION STREQUAL "Maxwell") |
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set(__cuda_arch_bin "5.0 5.2") |
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elseif(CUDA_GENERATION STREQUAL "Pascal") |
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set(__cuda_arch_bin "6.0 6.1") |
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elseif(CUDA_GENERATION STREQUAL "Volta") |
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set(__cuda_arch_bin "7.0") |
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elseif(CUDA_GENERATION STREQUAL "Auto") |
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execute_process( COMMAND "${CUDA_NVCC_EXECUTABLE}" ${CUDA_NVCC_FLAGS} "${OpenCV_SOURCE_DIR}/cmake/checks/OpenCVDetectCudaArch.cu" "--run" |
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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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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 "${CUDA_NVCC_EXECUTABLE}" ${CUDA_NVCC_FLAGS} "${OpenCV_SOURCE_DIR}/cmake/checks/OpenCVDetectCudaArch.cu" "--run" |
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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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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 7.0") |
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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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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") |
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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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# 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) |
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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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