349 lines
13 KiB
Python
349 lines
13 KiB
Python
#!/usr/bin/env python
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import os, sys, subprocess, argparse, shutil, glob, re, multiprocessing
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import logging as log
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SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
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class Fail(Exception):
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def __init__(self, text=None):
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self.t = text
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def __str__(self):
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return "ERROR" if self.t is None else self.t
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def execute(cmd, shell=False):
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try:
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log.info("Executing: %s" % cmd)
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env = os.environ.copy()
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env['VERBOSE'] = '1'
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retcode = subprocess.call(cmd, shell=shell, env=env)
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if retcode < 0:
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raise Fail("Child was terminated by signal: %s" % -retcode)
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elif retcode > 0:
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raise Fail("Child returned: %s" % retcode)
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except OSError as e:
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raise Fail("Execution failed: %d / %s" % (e.errno, e.strerror))
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def rm_one(d):
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d = os.path.abspath(d)
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if os.path.exists(d):
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if os.path.isdir(d):
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log.info("Removing dir: %s", d)
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shutil.rmtree(d)
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elif os.path.isfile(d):
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log.info("Removing file: %s", d)
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os.remove(d)
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def check_dir(d, create=False, clean=False):
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d = os.path.abspath(d)
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log.info("Check dir %s (create: %s, clean: %s)", d, create, clean)
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if os.path.exists(d):
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if not os.path.isdir(d):
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raise Fail("Not a directory: %s" % d)
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if clean:
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for x in glob.glob(os.path.join(d, "*")):
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rm_one(x)
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else:
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if create:
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os.makedirs(d)
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return d
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def check_file(d):
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d = os.path.abspath(d)
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if os.path.exists(d):
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if os.path.isfile(d):
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return True
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else:
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return False
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return False
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def find_file(name, path):
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for root, dirs, files in os.walk(path):
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if name in files:
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return os.path.join(root, name)
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class Builder:
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def __init__(self, options):
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self.options = options
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self.build_dir = check_dir(options.build_dir, create=True)
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self.opencv_dir = check_dir(options.opencv_dir)
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print('-----------------------------------------------------------')
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print('options.opencv_dir:', options.opencv_dir)
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self.emscripten_dir = check_dir(options.emscripten_dir)
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def get_toolchain_file(self):
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return os.path.join(self.emscripten_dir, "cmake", "Modules", "Platform", "Emscripten.cmake")
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def clean_build_dir(self):
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for d in ["CMakeCache.txt", "CMakeFiles/", "bin/", "libs/", "lib/", "modules"]:
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rm_one(d)
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def get_cmake_cmd(self):
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cmd = [
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"cmake",
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"-DPYTHON_DEFAULT_EXECUTABLE=%s" % sys.executable,
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"-DENABLE_PIC=FALSE", # To workaround emscripten upstream backend issue https://github.com/emscripten-core/emscripten/issues/8761
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"-DCMAKE_BUILD_TYPE=Release",
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"-DCMAKE_TOOLCHAIN_FILE='%s'" % self.get_toolchain_file(),
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"-DCPU_BASELINE=''",
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"-DCMAKE_INSTALL_PREFIX=/usr/local",
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"-DCPU_DISPATCH=''",
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"-DCV_TRACE=OFF",
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"-DBUILD_SHARED_LIBS=OFF",
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"-DWITH_1394=OFF",
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"-DWITH_ADE=OFF",
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"-DWITH_VTK=OFF",
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"-DWITH_EIGEN=OFF",
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"-DWITH_FFMPEG=OFF",
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"-DWITH_GSTREAMER=OFF",
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"-DWITH_GTK=OFF",
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"-DWITH_GTK_2_X=OFF",
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"-DWITH_IPP=OFF",
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"-DWITH_JASPER=OFF",
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"-DWITH_JPEG=OFF",
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"-DWITH_WEBP=OFF",
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"-DWITH_OPENEXR=OFF",
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"-DWITH_OPENGL=OFF",
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"-DWITH_OPENVX=OFF",
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"-DWITH_OPENNI=OFF",
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"-DWITH_OPENNI2=OFF",
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"-DWITH_PNG=OFF",
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"-DWITH_TBB=OFF",
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"-DWITH_TIFF=OFF",
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"-DWITH_V4L=OFF",
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"-DWITH_OPENCL=OFF",
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"-DWITH_OPENCL_SVM=OFF",
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"-DWITH_OPENCLAMDFFT=OFF",
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"-DWITH_OPENCLAMDBLAS=OFF",
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"-DWITH_GPHOTO2=OFF",
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"-DWITH_LAPACK=OFF",
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"-DWITH_ITT=OFF",
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"-DWITH_QUIRC=ON",
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"-DBUILD_ZLIB=ON",
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"-DBUILD_opencv_apps=OFF",
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"-DBUILD_opencv_calib3d=ON",
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"-DBUILD_opencv_dnn=ON",
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"-DBUILD_opencv_features2d=ON",
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"-DBUILD_opencv_flann=ON", # No bindings provided. This module is used as a dependency for other modules.
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"-DBUILD_opencv_gapi=OFF",
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"-DBUILD_opencv_ml=OFF",
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"-DBUILD_opencv_photo=ON",
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"-DBUILD_opencv_imgcodecs=OFF",
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"-DBUILD_opencv_shape=OFF",
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"-DBUILD_opencv_videoio=OFF",
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"-DBUILD_opencv_videostab=OFF",
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"-DBUILD_opencv_highgui=OFF",
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"-DBUILD_opencv_superres=OFF",
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"-DBUILD_opencv_stitching=OFF",
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"-DBUILD_opencv_java=OFF",
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"-DBUILD_opencv_js=ON",
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"-DBUILD_opencv_python2=OFF",
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"-DBUILD_opencv_python3=OFF",
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"-DBUILD_EXAMPLES=ON",
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"-DBUILD_PACKAGE=OFF",
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"-DBUILD_TESTS=ON",
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"-DBUILD_PERF_TESTS=ON"]
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if self.options.cmake_option:
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cmd += self.options.cmake_option
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if self.options.build_doc:
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cmd.append("-DBUILD_DOCS=ON")
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else:
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cmd.append("-DBUILD_DOCS=OFF")
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if self.options.threads:
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cmd.append("-DWITH_PTHREADS_PF=ON")
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else:
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cmd.append("-DWITH_PTHREADS_PF=OFF")
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if self.options.simd:
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cmd.append("-DCV_ENABLE_INTRINSICS=ON")
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else:
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cmd.append("-DCV_ENABLE_INTRINSICS=OFF")
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if self.options.build_wasm_intrin_test:
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cmd.append("-DBUILD_WASM_INTRIN_TESTS=ON")
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else:
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cmd.append("-DBUILD_WASM_INTRIN_TESTS=OFF")
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if self.options.webnn:
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cmd.append("-DWITH_WEBNN=ON")
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flags = self.get_build_flags()
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if flags:
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cmd += ["-DCMAKE_C_FLAGS='%s'" % flags,
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"-DCMAKE_CXX_FLAGS='%s'" % flags]
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return cmd
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def get_build_flags(self):
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flags = ""
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if self.options.build_wasm:
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flags += "-s WASM=1 "
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elif self.options.disable_wasm:
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flags += "-s WASM=0 "
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if self.options.threads:
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flags += "-s USE_PTHREADS=1 -s PTHREAD_POOL_SIZE=4 "
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else:
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flags += "-s USE_PTHREADS=0 "
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if self.options.enable_exception:
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flags += "-s DISABLE_EXCEPTION_CATCHING=0 "
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if self.options.simd:
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flags += "-msimd128 "
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if self.options.build_flags:
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flags += self.options.build_flags
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if self.options.webnn:
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flags += "-s USE_WEBNN=1 "
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return flags
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def config(self):
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cmd = self.get_cmake_cmd()
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cmd.append(self.opencv_dir)
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execute(cmd)
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def build_opencvjs(self):
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execute(["make", "-j", str(multiprocessing.cpu_count()), "opencv.js"])
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def build_test(self):
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execute(["make", "-j", str(multiprocessing.cpu_count()), "opencv_js_test"])
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def build_perf(self):
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execute(["make", "-j", str(multiprocessing.cpu_count()), "opencv_js_perf"])
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def build_doc(self):
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execute(["make", "-j", str(multiprocessing.cpu_count()), "doxygen"])
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def build_loader(self):
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execute(["make", "-j", str(multiprocessing.cpu_count()), "opencv_js_loader"])
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#===================================================================================================
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if __name__ == "__main__":
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log.basicConfig(format='%(message)s', level=log.DEBUG)
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opencv_dir = os.path.abspath(os.path.join(SCRIPT_DIR, '../..'))
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emscripten_dir = None
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if "EMSCRIPTEN" in os.environ:
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emscripten_dir = os.environ["EMSCRIPTEN"]
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else:
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log.warning("EMSCRIPTEN environment variable is not available. Please properly activate Emscripten SDK and consider using 'emcmake' launcher")
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parser = argparse.ArgumentParser(description='Build OpenCV.js by Emscripten')
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parser.add_argument("build_dir", help="Building directory (and output)")
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parser.add_argument('--opencv_dir', default=opencv_dir, help='Opencv source directory (default is "../.." relative to script location)')
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parser.add_argument('--emscripten_dir', default=emscripten_dir, help="Path to Emscripten to use for build (deprecated in favor of 'emcmake' launcher)")
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parser.add_argument('--build_wasm', action="store_true", help="Build OpenCV.js in WebAssembly format")
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parser.add_argument('--disable_wasm', action="store_true", help="Build OpenCV.js in Asm.js format")
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parser.add_argument('--threads', action="store_true", help="Build OpenCV.js with threads optimization")
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parser.add_argument('--simd', action="store_true", help="Build OpenCV.js with SIMD optimization")
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parser.add_argument('--build_test', action="store_true", help="Build tests")
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parser.add_argument('--build_perf', action="store_true", help="Build performance tests")
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parser.add_argument('--build_doc', action="store_true", help="Build tutorials")
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parser.add_argument('--build_loader', action="store_true", help="Build OpenCV.js loader")
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parser.add_argument('--clean_build_dir', action="store_true", help="Clean build dir")
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parser.add_argument('--skip_config', action="store_true", help="Skip cmake config")
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parser.add_argument('--config_only', action="store_true", help="Only do cmake config")
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parser.add_argument('--enable_exception', action="store_true", help="Enable exception handling")
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# Use flag --cmake option="-D...=ON" only for one argument, if you would add more changes write new cmake_option flags
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parser.add_argument('--cmake_option', action='append', help="Append CMake options")
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# Use flag --build_flags="-s USE_PTHREADS=0 -Os" for one and more arguments as in the example
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parser.add_argument('--build_flags', help="Append Emscripten build options")
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parser.add_argument('--build_wasm_intrin_test', default=False, action="store_true", help="Build WASM intrin tests")
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# Write a path to modify file like argument of this flag
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parser.add_argument('--config', default=os.path.join(os.path.dirname(os.path.abspath(__file__)), 'opencv_js.config.py'),
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help="Specify configuration file with own list of exported into JS functions")
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parser.add_argument('--webnn', action="store_true", help="Enable WebNN Backend")
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args = parser.parse_args()
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log.debug("Args: %s", args)
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os.environ["OPENCV_JS_WHITELIST"] = os.path.abspath(args.config)
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if 'EMMAKEN_JUST_CONFIGURE' in os.environ:
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del os.environ['EMMAKEN_JUST_CONFIGURE'] # avoid linker errors with NODERAWFS message then using 'emcmake' launcher
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if args.emscripten_dir is None:
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log.error("Cannot get Emscripten path, please use 'emcmake' launcher or specify it either by EMSCRIPTEN environment variable or --emscripten_dir option.")
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sys.exit(-1)
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builder = Builder(args)
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os.chdir(builder.build_dir)
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if args.clean_build_dir:
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log.info("=====")
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log.info("===== Clean build dir %s", builder.build_dir)
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log.info("=====")
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builder.clean_build_dir()
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if not args.skip_config:
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target = "default target"
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if args.build_wasm:
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target = "wasm"
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elif args.disable_wasm:
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target = "asm.js"
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log.info("=====")
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log.info("===== Config OpenCV.js build for %s" % target)
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log.info("=====")
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builder.config()
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if args.config_only:
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sys.exit(0)
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log.info("=====")
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log.info("===== Building OpenCV.js")
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log.info("=====")
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builder.build_opencvjs()
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if args.build_test:
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log.info("=====")
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log.info("===== Building OpenCV.js tests")
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log.info("=====")
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builder.build_test()
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if args.build_perf:
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log.info("=====")
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log.info("===== Building OpenCV.js performance tests")
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log.info("=====")
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builder.build_perf()
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if args.build_doc:
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log.info("=====")
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log.info("===== Building OpenCV.js tutorials")
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log.info("=====")
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builder.build_doc()
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if args.build_loader:
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log.info("=====")
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log.info("===== Building OpenCV.js loader")
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log.info("=====")
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builder.build_loader()
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log.info("=====")
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log.info("===== Build finished")
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log.info("=====")
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opencvjs_path = os.path.join(builder.build_dir, "bin", "opencv.js")
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if check_file(opencvjs_path):
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log.info("OpenCV.js location: %s", opencvjs_path)
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if args.build_test:
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opencvjs_test_path = os.path.join(builder.build_dir, "bin", "tests.html")
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if check_file(opencvjs_test_path):
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log.info("OpenCV.js tests location: %s", opencvjs_test_path)
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if args.build_perf:
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opencvjs_perf_path = os.path.join(builder.build_dir, "bin", "perf")
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opencvjs_perf_base_path = os.path.join(builder.build_dir, "bin", "perf", "base.js")
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if check_file(opencvjs_perf_base_path):
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log.info("OpenCV.js performance tests location: %s", opencvjs_perf_path)
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if args.build_doc:
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opencvjs_tutorial_path = find_file("tutorial_js_root.html", os.path.join(builder.build_dir, "doc", "doxygen", "html"))
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if check_file(opencvjs_tutorial_path):
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log.info("OpenCV.js tutorials location: %s", opencvjs_tutorial_path)
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if args.build_loader:
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opencvjs_loader_path = os.path.join(builder.build_dir, "bin", "loader.js")
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if check_file(opencvjs_loader_path):
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log.info("OpenCV.js loader location: %s", opencvjs_loader_path)
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