mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
260 lines
9.1 KiB
260 lines
9.1 KiB
if(${CMAKE_VERSION} VERSION_LESS "2.8.3") |
|
message(STATUS "WITH_CUDA flag requires CMake 2.8.3 or newer. CUDA support is disabled.") |
|
return() |
|
endif() |
|
|
|
if(WIN32 AND NOT MSVC) |
|
message(STATUS "CUDA compilation is disabled (due to only Visual Studio compiler supported on your platform).") |
|
return() |
|
endif() |
|
|
|
if(CMAKE_COMPILER_IS_GNUCXX AND NOT APPLE AND CMAKE_CXX_COMPILER_ID STREQUAL "Clang") |
|
message(STATUS "CUDA compilation is disabled (due to Clang unsupported on your platform).") |
|
return() |
|
endif() |
|
|
|
set(CMAKE_MODULE_PATH "${OpenCV_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH}) |
|
|
|
foreach(var INCLUDE LIBRARY PROGRAM) |
|
set(__old_frpm_${var} "${CMAKE_FIND_ROOT_PATH_MODE_${var}}") |
|
endforeach() |
|
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) |
|
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY BOTH) |
|
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER) |
|
|
|
find_package(CUDA 4.2 QUIET) |
|
|
|
foreach(var INCLUDE LIBRARY PROGRAM) |
|
set(CMAKE_FIND_ROOT_PATH_MODE_${var} "${__old_frpm_${var}}") |
|
endforeach() |
|
|
|
list(REMOVE_AT CMAKE_MODULE_PATH 0) |
|
|
|
if(CUDA_FOUND) |
|
set(HAVE_CUDA 1) |
|
|
|
if(WITH_CUFFT) |
|
set(HAVE_CUFFT 1) |
|
endif() |
|
|
|
if(WITH_CUBLAS) |
|
set(HAVE_CUBLAS 1) |
|
endif() |
|
|
|
if(WITH_NVCUVID) |
|
find_cuda_helper_libs(nvcuvid) |
|
set(HAVE_NVCUVID 1) |
|
endif() |
|
|
|
message(STATUS "CUDA detected: " ${CUDA_VERSION}) |
|
|
|
set(_generations "Fermi" "Kepler") |
|
if(NOT CMAKE_CROSSCOMPILING) |
|
list(APPEND _generations "Auto") |
|
endif() |
|
set(CUDA_GENERATION "" CACHE STRING "Build CUDA device code only for specific GPU architecture. Leave empty to build for all architectures.") |
|
if( CMAKE_VERSION VERSION_GREATER "2.8" ) |
|
set_property( CACHE CUDA_GENERATION PROPERTY STRINGS "" ${_generations} ) |
|
endif() |
|
|
|
if(CUDA_GENERATION) |
|
if(NOT ";${_generations};" MATCHES ";${CUDA_GENERATION};") |
|
string(REPLACE ";" ", " _generations "${_generations}") |
|
message(FATAL_ERROR "ERROR: ${_generations} Generations are suppered.") |
|
endif() |
|
unset(CUDA_ARCH_BIN CACHE) |
|
unset(CUDA_ARCH_PTX CACHE) |
|
endif() |
|
|
|
set(__cuda_arch_ptx "") |
|
if(CUDA_GENERATION STREQUAL "Fermi") |
|
set(__cuda_arch_bin "2.0 2.1(2.0)") |
|
elseif(CUDA_GENERATION STREQUAL "Kepler") |
|
if(${CUDA_VERSION} VERSION_LESS "5.0") |
|
set(__cuda_arch_bin "3.0") |
|
else() |
|
set(__cuda_arch_bin "3.0 3.5") |
|
endif() |
|
elseif(CUDA_GENERATION STREQUAL "Auto") |
|
execute_process( COMMAND "${CUDA_NVCC_EXECUTABLE}" "${OpenCV_SOURCE_DIR}/cmake/checks/OpenCVDetectCudaArch.cu" "--run" |
|
WORKING_DIRECTORY "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/" |
|
RESULT_VARIABLE _nvcc_res OUTPUT_VARIABLE _nvcc_out |
|
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE) |
|
if(NOT _nvcc_res EQUAL 0) |
|
message(STATUS "Automatic detection of CUDA generation failed. Going to build for all known architectures.") |
|
else() |
|
set(__cuda_arch_bin "${_nvcc_out}") |
|
string(REPLACE "2.1" "2.1(2.0)" __cuda_arch_bin "${__cuda_arch_bin}") |
|
endif() |
|
endif() |
|
|
|
if(NOT DEFINED __cuda_arch_bin) |
|
if(ANDROID) |
|
set(__cuda_arch_bin "3.2") |
|
set(__cuda_arch_ptx "") |
|
else() |
|
if(${CUDA_VERSION} VERSION_LESS "5.0") |
|
set(__cuda_arch_bin "1.1 1.2 1.3 2.0 2.1(2.0) 3.0") |
|
else() |
|
set(__cuda_arch_bin "1.1 1.2 1.3 2.0 2.1(2.0) 3.0 3.5") |
|
endif() |
|
set(__cuda_arch_ptx "3.0") |
|
endif() |
|
endif() |
|
|
|
set(CUDA_ARCH_BIN ${__cuda_arch_bin} CACHE STRING "Specify 'real' GPU architectures to build binaries for, BIN(PTX) format is supported") |
|
set(CUDA_ARCH_PTX ${__cuda_arch_ptx} CACHE STRING "Specify 'virtual' PTX architectures to build PTX intermediate code for") |
|
|
|
string(REGEX REPLACE "\\." "" ARCH_BIN_NO_POINTS "${CUDA_ARCH_BIN}") |
|
string(REGEX REPLACE "\\." "" ARCH_PTX_NO_POINTS "${CUDA_ARCH_PTX}") |
|
|
|
# Ckeck if user specified 1.0 compute capability: we don't support it |
|
string(REGEX MATCH "1.0" HAS_ARCH_10 "${CUDA_ARCH_BIN} ${CUDA_ARCH_PTX}") |
|
set(CUDA_ARCH_BIN_OR_PTX_10 0) |
|
if(NOT ${HAS_ARCH_10} STREQUAL "") |
|
set(CUDA_ARCH_BIN_OR_PTX_10 1) |
|
endif() |
|
|
|
# NVCC flags to be set |
|
set(NVCC_FLAGS_EXTRA "") |
|
|
|
# These vars will be passed into the templates |
|
set(OPENCV_CUDA_ARCH_BIN "") |
|
set(OPENCV_CUDA_ARCH_PTX "") |
|
set(OPENCV_CUDA_ARCH_FEATURES "") |
|
|
|
# Tell NVCC to add binaries for the specified GPUs |
|
string(REGEX MATCHALL "[0-9()]+" ARCH_LIST "${ARCH_BIN_NO_POINTS}") |
|
foreach(ARCH IN LISTS ARCH_LIST) |
|
if(ARCH MATCHES "([0-9]+)\\(([0-9]+)\\)") |
|
# User explicitly specified PTX for the concrete BIN |
|
set(NVCC_FLAGS_EXTRA ${NVCC_FLAGS_EXTRA} -gencode arch=compute_${CMAKE_MATCH_2},code=sm_${CMAKE_MATCH_1}) |
|
set(OPENCV_CUDA_ARCH_BIN "${OPENCV_CUDA_ARCH_BIN} ${CMAKE_MATCH_1}") |
|
set(OPENCV_CUDA_ARCH_FEATURES "${OPENCV_CUDA_ARCH_FEATURES} ${CMAKE_MATCH_2}") |
|
else() |
|
# User didn't explicitly specify PTX for the concrete BIN, we assume PTX=BIN |
|
set(NVCC_FLAGS_EXTRA ${NVCC_FLAGS_EXTRA} -gencode arch=compute_${ARCH},code=sm_${ARCH}) |
|
set(OPENCV_CUDA_ARCH_BIN "${OPENCV_CUDA_ARCH_BIN} ${ARCH}") |
|
set(OPENCV_CUDA_ARCH_FEATURES "${OPENCV_CUDA_ARCH_FEATURES} ${ARCH}") |
|
endif() |
|
endforeach() |
|
|
|
# Tell NVCC to add PTX intermediate code for the specified architectures |
|
string(REGEX MATCHALL "[0-9]+" ARCH_LIST "${ARCH_PTX_NO_POINTS}") |
|
foreach(ARCH IN LISTS ARCH_LIST) |
|
set(NVCC_FLAGS_EXTRA ${NVCC_FLAGS_EXTRA} -gencode arch=compute_${ARCH},code=compute_${ARCH}) |
|
set(OPENCV_CUDA_ARCH_PTX "${OPENCV_CUDA_ARCH_PTX} ${ARCH}") |
|
set(OPENCV_CUDA_ARCH_FEATURES "${OPENCV_CUDA_ARCH_FEATURES} ${ARCH}") |
|
endforeach() |
|
|
|
# These vars will be processed in other scripts |
|
set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} ${NVCC_FLAGS_EXTRA}) |
|
set(OpenCV_CUDA_CC "${NVCC_FLAGS_EXTRA}") |
|
|
|
if(ANDROID) |
|
set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} "-Xptxas;-dlcm=ca") |
|
set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} "-target-os-variant=Android") |
|
endif() |
|
|
|
message(STATUS "CUDA NVCC target flags: ${CUDA_NVCC_FLAGS}") |
|
|
|
OCV_OPTION(CUDA_FAST_MATH "Enable --use_fast_math for CUDA compiler " OFF) |
|
|
|
if(CUDA_FAST_MATH) |
|
set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} --use_fast_math) |
|
endif() |
|
|
|
mark_as_advanced(CUDA_BUILD_CUBIN CUDA_BUILD_EMULATION CUDA_VERBOSE_BUILD CUDA_SDK_ROOT_DIR) |
|
|
|
macro(ocv_cuda_compile VAR) |
|
foreach(var CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG) |
|
set(${var}_backup_in_cuda_compile_ "${${var}}") |
|
|
|
# we remove /EHa as it generates warnings under windows |
|
string(REPLACE "/EHa" "" ${var} "${${var}}") |
|
|
|
# we remove -ggdb3 flag as it leads to preprocessor errors when compiling CUDA files (CUDA 4.1) |
|
string(REPLACE "-ggdb3" "" ${var} "${${var}}") |
|
|
|
# we remove -Wsign-promo as it generates warnings under linux |
|
string(REPLACE "-Wsign-promo" "" ${var} "${${var}}") |
|
|
|
# we remove -Wno-sign-promo as it generates warnings under linux |
|
string(REPLACE "-Wno-sign-promo" "" ${var} "${${var}}") |
|
|
|
# we remove -Wno-delete-non-virtual-dtor because it's used for C++ compiler |
|
# but NVCC uses C compiler by default |
|
string(REPLACE "-Wno-delete-non-virtual-dtor" "" ${var} "${${var}}") |
|
|
|
# we remove -frtti because it's used for C++ compiler |
|
# but NVCC uses C compiler by default |
|
string(REPLACE "-frtti" "" ${var} "${${var}}") |
|
endforeach() |
|
|
|
if(BUILD_SHARED_LIBS) |
|
set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler -DCVAPI_EXPORTS) |
|
endif() |
|
|
|
if(UNIX OR APPLE) |
|
set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler -fPIC) |
|
endif() |
|
if(APPLE) |
|
set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler -fno-finite-math-only) |
|
endif() |
|
|
|
# disabled because of multiple warnings during building nvcc auto generated files |
|
if(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_GCC_REGEX_VERSION VERSION_GREATER "4.6.0") |
|
ocv_warnings_disable(CMAKE_CXX_FLAGS -Wunused-but-set-variable) |
|
endif() |
|
|
|
CUDA_COMPILE(${VAR} ${ARGN}) |
|
|
|
foreach(var CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG) |
|
set(${var} "${${var}_backup_in_cuda_compile_}") |
|
unset(${var}_backup_in_cuda_compile_) |
|
endforeach() |
|
endmacro() |
|
else() |
|
unset(CUDA_ARCH_BIN CACHE) |
|
unset(CUDA_ARCH_PTX CACHE) |
|
endif() |
|
|
|
if(HAVE_CUDA) |
|
set(CUDA_LIBS_PATH "") |
|
foreach(p ${CUDA_LIBRARIES} ${CUDA_npp_LIBRARY}) |
|
get_filename_component(_tmp ${p} PATH) |
|
list(APPEND CUDA_LIBS_PATH ${_tmp}) |
|
endforeach() |
|
|
|
if(HAVE_CUBLAS) |
|
foreach(p ${CUDA_cublas_LIBRARY}) |
|
get_filename_component(_tmp ${p} PATH) |
|
list(APPEND CUDA_LIBS_PATH ${_tmp}) |
|
endforeach() |
|
endif() |
|
|
|
if(HAVE_CUFFT) |
|
foreach(p ${CUDA_cufft_LIBRARY}) |
|
get_filename_component(_tmp ${p} PATH) |
|
list(APPEND CUDA_LIBS_PATH ${_tmp}) |
|
endforeach() |
|
endif() |
|
|
|
list(REMOVE_DUPLICATES CUDA_LIBS_PATH) |
|
link_directories(${CUDA_LIBS_PATH}) |
|
|
|
set(CUDA_LIBRARIES_ABS ${CUDA_LIBRARIES}) |
|
ocv_convert_to_lib_name(CUDA_LIBRARIES ${CUDA_LIBRARIES}) |
|
set(CUDA_npp_LIBRARY_ABS ${CUDA_npp_LIBRARY}) |
|
ocv_convert_to_lib_name(CUDA_npp_LIBRARY ${CUDA_npp_LIBRARY}) |
|
if(HAVE_CUBLAS) |
|
set(CUDA_cublas_LIBRARY_ABS ${CUDA_cublas_LIBRARY}) |
|
ocv_convert_to_lib_name(CUDA_cublas_LIBRARY ${CUDA_cublas_LIBRARY}) |
|
endif() |
|
|
|
if(HAVE_CUFFT) |
|
set(CUDA_cufft_LIBRARY_ABS ${CUDA_cufft_LIBRARY}) |
|
ocv_convert_to_lib_name(CUDA_cufft_LIBRARY ${CUDA_cufft_LIBRARY}) |
|
endif() |
|
endif() |