mirror of
https://github.com/opencv/opencv.git
synced 2024-12-06 02:29:14 +08:00
149 lines
5.3 KiB
CMake
149 lines
5.3 KiB
CMake
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()
|
|
|
|
find_package(CUDA 4.2)
|
|
|
|
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: " ${CUDA_VERSION})
|
|
|
|
if (CARMA)
|
|
set(CUDA_ARCH_BIN "2.1(2.0) 3.0" CACHE STRING "Specify 'real' GPU architectures to build binaries for, BIN(PTX) format is supported")
|
|
set(CUDA_ARCH_PTX "3.0" CACHE STRING "Specify 'virtual' PTX architectures to build PTX intermediate code for")
|
|
else()
|
|
set(CUDA_ARCH_BIN "1.1 1.2 1.3 2.0 2.1(2.0) 3.0" CACHE STRING "Specify 'real' GPU architectures to build binaries for, BIN(PTX) format is supported")
|
|
set(CUDA_ARCH_PTX "2.0 3.0" CACHE STRING "Specify 'virtual' PTX architectures to build PTX intermediate code for")
|
|
endif()
|
|
|
|
string(REGEX REPLACE "\\." "" ARCH_BIN_NO_POINTS "${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} ${ARCH}")
|
|
endforeach()
|
|
|
|
if(CARMA)
|
|
set(CUDA_NVCC_FLAGS "${CUDA_NVCC_FLAGS} --target-cpu-architecture=ARM" )
|
|
|
|
if (CMAKE_VERSION VERSION_LESS 2.8.10)
|
|
set(CUDA_NVCC_FLAGS "${CUDA_NVCC_FLAGS} -ccbin=${CMAKE_CXX_COMPILER}" )
|
|
endif()
|
|
|
|
endif()
|
|
|
|
# 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}")
|
|
|
|
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 ${CUDA_NVCC_FLAGS} --use_fast_math)
|
|
endif()
|
|
|
|
mark_as_advanced(CUDA_BUILD_CUBIN CUDA_BUILD_EMULATION CUDA_VERBOSE_BUILD CUDA_SDK_ROOT_DIR)
|
|
|
|
find_cuda_helper_libs(npp)
|
|
|
|
macro(ocv_cuda_compile VAR)
|
|
foreach(var CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG)
|
|
set(${var}_backup_in_cuda_compile_ "${${var}}")
|
|
|
|
# we reomove /EHa as it leasd 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}}")
|
|
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()
|