f4334277
 Hu Chunming
提交3rdparty
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# ----------------------------------------------------------------------------
# CMake file for js support
# ----------------------------------------------------------------------------
if(OPENCV_INITIAL_PASS)
# generator for Objective-C source code and documentation signatures
add_subdirectory(generator)
endif()
if(NOT BUILD_opencv_js) # should be enabled explicitly (by build_js.py script)
return()
endif()
set(the_description "The JavaScript(JS) bindings")
set(OPENCV_JS "opencv.js")
set(JS_HELPER "${CMAKE_CURRENT_SOURCE_DIR}/src/helpers.js")
find_path(EMSCRIPTEN_INCLUDE_DIR
emscripten/bind.h
PATHS
ENV EMSCRIPTEN_ROOT
PATH_SUFFIXES system/include include
DOC "Location of Emscripten SDK")
if(NOT EMSCRIPTEN_INCLUDE_DIR OR NOT PYTHON_DEFAULT_AVAILABLE)
set(DISABLE_MSG "Module 'js' disabled because the following dependencies are not found:")
if(NOT EMSCRIPTEN_INCLUDE_DIR)
set(DISABLE_MSG "${DISABLE_MSG} Emscripten")
endif()
if(NOT PYTHON_DEFAULT_AVAILABLE)
set(DISABLE_MSG "${DISABLE_MSG} Python")
endif()
message(STATUS ${DISABLE_MSG})
ocv_module_disable(js)
endif()
ocv_add_module(js BINDINGS PRIVATE_REQUIRED opencv_js_bindings_generator)
ocv_module_include_directories(${EMSCRIPTEN_INCLUDE_DIR})
add_definitions("-std=c++11")
set(deps ${OPENCV_MODULE_${the_module}_DEPS})
list(REMOVE_ITEM deps opencv_js_bindings_generator) # don't add dummy module
link_libraries(${deps})
set(bindings_cpp "${OPENCV_JS_BINDINGS_DIR}/gen/bindings.cpp")
set_source_files_properties(${bindings_cpp} PROPERTIES GENERATED TRUE)
OCV_OPTION(BUILD_WASM_INTRIN_TESTS "Build WASM intrin tests" OFF )
if(BUILD_WASM_INTRIN_TESTS)
add_definitions(-DTEST_WASM_INTRIN)
ocv_module_include_directories("${CMAKE_CURRENT_SOURCE_DIR}/../ts/include")
ocv_module_include_directories("${CMAKE_CURRENT_SOURCE_DIR}/../imgcodecs/include")
ocv_module_include_directories("${CMAKE_CURRENT_SOURCE_DIR}/../videoio/include")
ocv_module_include_directories("${CMAKE_CURRENT_SOURCE_DIR}/../highgui/include")
ocv_add_executable(${the_module} ${bindings_cpp} "${CMAKE_CURRENT_SOURCE_DIR}/../ts/src/ts_gtest.cpp")
else()
ocv_add_executable(${the_module} ${bindings_cpp})
endif()
add_dependencies(${the_module} gen_opencv_js_source)
set(COMPILE_FLAGS "")
if(NOT CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
set(COMPILE_FLAGS "${COMPILE_FLAGS} -Wno-missing-prototypes")
endif()
if(COMPILE_FLAGS)
set_target_properties(${the_module} PROPERTIES COMPILE_FLAGS ${COMPILE_FLAGS})
endif()
set(EMSCRIPTEN_LINK_FLAGS "${EMSCRIPTEN_LINK_FLAGS} --memory-init-file 0 -s TOTAL_MEMORY=128MB -s WASM_MEM_MAX=1GB -s ALLOW_MEMORY_GROWTH=1")
set(EMSCRIPTEN_LINK_FLAGS "${EMSCRIPTEN_LINK_FLAGS} -s MODULARIZE=1 -s SINGLE_FILE=1")
set(EMSCRIPTEN_LINK_FLAGS "${EMSCRIPTEN_LINK_FLAGS} -s EXPORT_NAME=\"'cv'\" -s DEMANGLE_SUPPORT=1")
set(EMSCRIPTEN_LINK_FLAGS "${EMSCRIPTEN_LINK_FLAGS} -s FORCE_FILESYSTEM=1 --use-preload-plugins --bind --post-js ${JS_HELPER} ${COMPILE_FLAGS}")
set_target_properties(${the_module} PROPERTIES LINK_FLAGS "${EMSCRIPTEN_LINK_FLAGS}")
# add UMD wrapper
set(MODULE_JS_PATH "${OpenCV_BINARY_DIR}/bin/${the_module}.js")
set(OCV_JS_PATH "${OpenCV_BINARY_DIR}/bin/${OPENCV_JS}")
add_custom_command(
OUTPUT ${OCV_JS_PATH}
COMMAND ${PYTHON_DEFAULT_EXECUTABLE} "${CMAKE_CURRENT_SOURCE_DIR}/src/make_umd.py" ${MODULE_JS_PATH} "${OCV_JS_PATH}"
DEPENDS ${the_module}
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/make_umd.py")
add_custom_target(${OPENCV_JS} ALL
DEPENDS ${OCV_JS_PATH}
DEPENDS ${the_module})
# test
set(opencv_test_js_bin_dir "${EXECUTABLE_OUTPUT_PATH}")
set(test_dir ${CMAKE_CURRENT_SOURCE_DIR}/test)
set(opencv_test_js_file_deps "")
# message(STATUS "${opencv_test_js_bin_dir}")
# make sure the build directory exists
file(MAKE_DIRECTORY "${opencv_test_js_bin_dir}")
# gather and copy specific files for js test
file(GLOB_RECURSE test_files RELATIVE "${test_dir}" "${test_dir}/*")
foreach(f ${test_files})
# message(STATUS "copy ${test_dir}/${f} ${opencv_test_js_bin_dir}/${f}")
add_custom_command(OUTPUT "${opencv_test_js_bin_dir}/${f}"
COMMAND ${CMAKE_COMMAND} -E copy_if_different "${test_dir}/${f}" "${opencv_test_js_bin_dir}/${f}"
DEPENDS "${test_dir}/${f}"
COMMENT "Copying ${f}"
)
list(APPEND opencv_test_js_file_deps "${test_dir}/${f}" "${opencv_test_js_bin_dir}/${f}")
endforeach()
# copy test data
set(test_data "haarcascade_frontalface_default.xml")
set(test_data_path "${PROJECT_SOURCE_DIR}/../../data/haarcascades/${test_data}")
add_custom_command(OUTPUT "${opencv_test_js_bin_dir}/${test_data}"
COMMAND ${CMAKE_COMMAND} -E copy_if_different "${test_data_path}" "${opencv_test_js_bin_dir}/${test_data}"
DEPENDS "${test_data_path}"
COMMENT "Copying ${test_data}"
)
list(APPEND opencv_test_js_file_deps "${test_data_path}" "${opencv_test_js_bin_dir}/${test_data}")
add_custom_target(${PROJECT_NAME}_test
DEPENDS ${OCV_JS_PATH} ${opencv_test_js_file_deps})
# perf
set(opencv_perf_js_bin_dir "${EXECUTABLE_OUTPUT_PATH}/perf")
set(perf_dir ${CMAKE_CURRENT_SOURCE_DIR}/perf)
set(opencv_perf_js_file_deps "")
# make sure the build directory exists
file(MAKE_DIRECTORY "${opencv_perf_js_bin_dir}")
# gather and copy specific files for js perf
file(GLOB_RECURSE perf_files RELATIVE "${perf_dir}" "${perf_dir}/*")
foreach(f ${perf_files})
add_custom_command(OUTPUT "${opencv_perf_js_bin_dir}/${f}"
COMMAND ${CMAKE_COMMAND} -E copy_if_different "${perf_dir}/${f}" "${opencv_perf_js_bin_dir}/${f}"
DEPENDS "${perf_dir}/${f}"
COMMENT "Copying ${f}"
)
list(APPEND opencv_perf_js_file_deps "${perf_dir}/${f}" "${opencv_perf_js_bin_dir}/${f}")
endforeach()
add_custom_target(${PROJECT_NAME}_perf
DEPENDS ${OCV_JS_PATH} ${opencv_perf_js_file_deps})
#loader
set(opencv_loader_js_bin_dir "${EXECUTABLE_OUTPUT_PATH}")
set(loader_dir ${CMAKE_CURRENT_SOURCE_DIR}/src)
set(opencv_loader_js_file_deps "")
# make sure the build directory exists
file(MAKE_DIRECTORY "${opencv_loader_js_bin_dir}")
add_custom_command(
TARGET ${PROJECT_NAME} POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy
${loader_dir}/loader.js
${opencv_loader_js_bin_dir}/loader.js)
list(APPEND opencv_loader_js_file_deps "${loader_dir}/loader.js" "${opencv_loader_js_bin_dir}/loader.js")
add_custom_target(${PROJECT_NAME}_loader ALL
DEPENDS ${OCV_JS_PATH} ${opencv_loader_js_file_deps})
add_custom_target(opencv_test_js ALL DEPENDS opencv_js_test opencv_js_perf opencv_js_loader)
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