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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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提交
0d082ce6
编写于
3月 21, 2023
作者:
A
Alexander Smorkalov
提交者:
GitHub
3月 21, 2023
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差异文件
Merge pull request #23344 from anderskiaer:singlefilejs
Add possibility for disabling inlining `wasm` in `opencv.js`
上级
5df6b4a7
6c763e1e
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
7 addition
and
1 deletion
+7
-1
doc/js_tutorials/js_setup/js_setup/js_setup.markdown
doc/js_tutorials/js_setup/js_setup/js_setup.markdown
+3
-0
modules/js/CMakeLists.txt
modules/js/CMakeLists.txt
+1
-1
platforms/js/build_js.py
platforms/js/build_js.py
+3
-0
未找到文件。
doc/js_tutorials/js_setup/js_setup/js_setup.markdown
浏览文件 @
0d082ce6
...
...
@@ -83,6 +83,9 @@ Building OpenCV.js from Source
It requires `python` and `cmake` installed in your development environment.
-# The build script builds asm.js version by default. To build WebAssembly version, append
`--build_wasm`
switch.
By default everything is bundled into one JavaScript file by
`base64`
encoding the WebAssembly code. For production
builds you can add
`--disable_single_file`
which will reduce total size by writing the WebAssembly code
to a dedicated
`.wasm`
file which the generated JavaScript file will automatically load.
For example, to build wasm version in `build_wasm` directory:
@code{.bash}
...
...
modules/js/CMakeLists.txt
浏览文件 @
0d082ce6
...
...
@@ -70,7 +70,7 @@ if(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 MODULARIZE=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
}
"
)
...
...
platforms/js/build_js.py
浏览文件 @
0d082ce6
...
...
@@ -180,6 +180,8 @@ class Builder:
flags
+=
"-s WASM=1 "
elif
self
.
options
.
disable_wasm
:
flags
+=
"-s WASM=0 "
if
not
self
.
options
.
disable_single_file
:
flags
+=
"-s SINGLE_FILE=1 "
if
self
.
options
.
threads
:
flags
+=
"-s USE_PTHREADS=1 -s PTHREAD_POOL_SIZE=4 "
else
:
...
...
@@ -233,6 +235,7 @@ if __name__ == "__main__":
parser
.
add_argument
(
'--emscripten_dir'
,
default
=
emscripten_dir
,
help
=
"Path to Emscripten to use for build (deprecated in favor of 'emcmake' launcher)"
)
parser
.
add_argument
(
'--build_wasm'
,
action
=
"store_true"
,
help
=
"Build OpenCV.js in WebAssembly format"
)
parser
.
add_argument
(
'--disable_wasm'
,
action
=
"store_true"
,
help
=
"Build OpenCV.js in Asm.js format"
)
parser
.
add_argument
(
'--disable_single_file'
,
action
=
"store_true"
,
help
=
"Do not merge JavaScript and WebAssembly into one single file"
)
parser
.
add_argument
(
'--threads'
,
action
=
"store_true"
,
help
=
"Build OpenCV.js with threads optimization"
)
parser
.
add_argument
(
'--simd'
,
action
=
"store_true"
,
help
=
"Build OpenCV.js with SIMD optimization"
)
parser
.
add_argument
(
'--build_test'
,
action
=
"store_true"
,
help
=
"Build tests"
)
...
...
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