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Open Source Computer Vision Library
https://opencv.org/
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144 lines
5.7 KiB
144 lines
5.7 KiB
# ---------------------------------------------------------------------------- |
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# CMake file for js support |
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# ---------------------------------------------------------------------------- |
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set(the_description "The js bindings") |
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if(NOT BUILD_opencv_js) # should be enabled explicitly (by build_js.py script) |
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ocv_module_disable(js) |
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endif() |
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set(OPENCV_JS "opencv.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 ${DISABLE_MSG}) |
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ocv_module_disable(js) |
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endif() |
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ocv_add_module(js BINDINGS) |
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ocv_module_include_directories(${EMSCRIPTEN_INCLUDE_DIR}) |
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# get list of modules to wrap |
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# message(STATUS "Wrapped in js:") |
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set(OPENCV_JS_MODULES) |
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foreach(m ${OPENCV_MODULES_BUILD}) |
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if(";${OPENCV_MODULE_${m}_WRAPPERS};" MATCHES ";js;" AND HAVE_${m}) |
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list(APPEND OPENCV_JS_MODULES ${m}) |
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# message(STATUS "\t${m}") |
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endif() |
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endforeach() |
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set(opencv_hdrs "") |
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foreach(m ${OPENCV_JS_MODULES}) |
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list(APPEND opencv_hdrs ${OPENCV_MODULE_${m}_HEADERS}) |
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endforeach(m) |
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# header blacklist |
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ocv_list_filterout(opencv_hdrs "modules/.*.h$") |
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ocv_list_filterout(opencv_hdrs "modules/core/.*/cuda") |
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ocv_list_filterout(opencv_hdrs "modules/core/.*/opencl") |
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ocv_list_filterout(opencv_hdrs "modules/core/include/opencv2/core/opengl.hpp") |
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ocv_list_filterout(opencv_hdrs "modules/core/include/opencv2/core/ocl.hpp") |
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ocv_list_filterout(opencv_hdrs "modules/cuda.*") |
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ocv_list_filterout(opencv_hdrs "modules/cudev") |
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ocv_list_filterout(opencv_hdrs "modules/core/.*/hal/") |
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ocv_list_filterout(opencv_hdrs "modules/.*/detection_based_tracker.hpp") # Conditional compilation |
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ocv_list_filterout(opencv_hdrs "modules/core/include/opencv2/core/utils/.*") |
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/headers.txt" "${opencv_hdrs}") |
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set(bindings_cpp "${CMAKE_CURRENT_BINARY_DIR}/bindings.cpp") |
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set(scripts_hdr_parser "${CMAKE_CURRENT_SOURCE_DIR}/../python/src2/hdr_parser.py") |
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set(JS_HELPER "${CMAKE_CURRENT_SOURCE_DIR}/src/helpers.js") |
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add_custom_command( |
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OUTPUT ${bindings_cpp} |
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COMMAND ${PYTHON_DEFAULT_EXECUTABLE} "${CMAKE_CURRENT_SOURCE_DIR}/src/embindgen.py" ${scripts_hdr_parser} ${bindings_cpp} "${CMAKE_CURRENT_BINARY_DIR}/headers.txt" "${CMAKE_CURRENT_SOURCE_DIR}/src/core_bindings.cpp" |
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DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/src/core_bindings.cpp |
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DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/src/embindgen.py |
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DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/src/templates.py |
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DEPENDS ${scripts_hdr_parser} |
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#(not needed - generated by CMake) DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/headers.txt |
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DEPENDS ${opencv_hdrs} |
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DEPENDS ${JS_HELPER}) |
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add_definitions("-std=c++11") |
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link_libraries(${OPENCV_MODULE_${the_module}_DEPS}) |
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ocv_add_executable(${the_module} ${bindings_cpp}) |
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set_target_properties(${the_module} PROPERTIES COMPILE_FLAGS "-Wno-missing-prototypes") |
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set(EMSCRIPTEN_LINK_FLAGS "${EMSCRIPTEN_LINK_FLAGS} --memory-init-file 0 -s TOTAL_MEMORY=134217728 -s ALLOW_MEMORY_GROWTH=1") |
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set(EMSCRIPTEN_LINK_FLAGS "${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 ${JS_HELPER} -Wno-missing-prototypes") |
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set_target_properties(${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 ALL |
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DEPENDS ${OCV_JS_PATH} ${opencv_test_js_file_deps})
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