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