You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
232 lines
7.1 KiB
232 lines
7.1 KiB
#!/bin/bash
|
|
# Copyright 2018 Google LLC
|
|
#
|
|
# Use of this source code is governed by a BSD-style license that can be
|
|
# found in the LICENSE file.
|
|
|
|
set -ex
|
|
|
|
BASE_DIR=`cd $(dirname ${BASH_SOURCE[0]}) && pwd`
|
|
# This expects the environment variable EMSDK to be set
|
|
if [[ ! -d $EMSDK ]]; then
|
|
echo "Be sure to set the EMSDK environment variable."
|
|
exit 1
|
|
fi
|
|
|
|
# Navigate to SKIA_HOME from where this file is located.
|
|
pushd $BASE_DIR/../..
|
|
|
|
source $EMSDK/emsdk_env.sh
|
|
EMCC=`which emcc`
|
|
EMCXX=`which em++`
|
|
|
|
RELEASE_CONF="-Oz --closure 1 --llvm-lto 3 -DSK_RELEASE --pre-js $BASE_DIR/release.js \
|
|
-DGR_GL_CHECK_ALLOC_WITH_GET_ERROR=0"
|
|
EXTRA_CFLAGS="\"-DSK_RELEASE\", \"-DGR_GL_CHECK_ALLOC_WITH_GET_ERROR=0\","
|
|
if [[ $@ == *debug* ]]; then
|
|
echo "Building a Debug build"
|
|
EXTRA_CFLAGS="\"-DSK_DEBUG\""
|
|
RELEASE_CONF="-O0 --js-opts 0 -s DEMANGLE_SUPPORT=1 -s ASSERTIONS=1 -s GL_ASSERTIONS=1 -g4 \
|
|
--source-map-base /node_modules/canvaskit/bin/ -DSK_DEBUG --pre-js $BASE_DIR/debug.js"
|
|
BUILD_DIR=${BUILD_DIR:="out/canvaskit_wasm_debug"}
|
|
elif [[ $@ == *profiling* ]]; then
|
|
echo "Building a build for profiling"
|
|
RELEASE_CONF="-O3 --source-map-base /node_modules/canvaskit/bin/ --profiling -g4 -DSK_RELEASE \
|
|
--pre-js $BASE_DIR/release.js -DGR_GL_CHECK_ALLOC_WITH_GET_ERROR=0"
|
|
BUILD_DIR=${BUILD_DIR:="out/canvaskit_wasm_profile"}
|
|
else
|
|
BUILD_DIR=${BUILD_DIR:="out/canvaskit_wasm"}
|
|
fi
|
|
|
|
mkdir -p $BUILD_DIR
|
|
|
|
GN_GPU="skia_enable_gpu=true"
|
|
GN_GPU_FLAGS="\"-DIS_WEBGL=1\", \"-DSK_DISABLE_LEGACY_SHADERCONTEXT\","
|
|
WASM_GPU="-lEGL -lGLESv2 -DSK_SUPPORT_GPU=1 \
|
|
-DSK_DISABLE_LEGACY_SHADERCONTEXT --pre-js $BASE_DIR/cpu.js --pre-js $BASE_DIR/gpu.js"
|
|
if [[ $@ == *cpu* ]]; then
|
|
echo "Using the CPU backend instead of the GPU backend"
|
|
GN_GPU="skia_enable_gpu=false"
|
|
GN_GPU_FLAGS=""
|
|
WASM_GPU="-DSK_SUPPORT_GPU=0 --pre-js $BASE_DIR/cpu.js"
|
|
fi
|
|
|
|
WASM_SKOTTIE=" \
|
|
$BASE_DIR/skottie_bindings.cpp \
|
|
modules/skottie/src/Skottie.cpp \
|
|
modules/skottie/src/SkottieAdapter.cpp \
|
|
modules/skottie/src/SkottieAnimator.cpp \
|
|
modules/skottie/src/SkottieJson.cpp \
|
|
modules/skottie/src/SkottieLayer.cpp \
|
|
modules/skottie/src/SkottieLayerEffect.cpp \
|
|
modules/skottie/src/SkottiePrecompLayer.cpp \
|
|
modules/skottie/src/SkottieProperty.cpp \
|
|
modules/skottie/src/SkottieShapeLayer.cpp \
|
|
modules/skottie/src/SkottieTextLayer.cpp \
|
|
modules/skottie/src/SkottieValue.cpp \
|
|
modules/sksg/src/*.cpp \
|
|
modules/skshaper/src/SkShaper.cpp \
|
|
modules/skshaper/src/SkShaper_primitive.cpp \
|
|
src/core/SkCubicMap.cpp \
|
|
src/core/SkTime.cpp \
|
|
src/pathops/SkOpBuilder.cpp \
|
|
src/utils/SkJSON.cpp \
|
|
src/utils/SkParse.cpp "
|
|
if [[ $@ == *no_skottie* ]]; then
|
|
echo "Omitting Skottie"
|
|
WASM_SKOTTIE=""
|
|
fi
|
|
|
|
WASM_MANAGED_SKOTTIE="\
|
|
-DSK_INCLUDE_MANAGED_SKOTTIE=1 \
|
|
modules/skottie/utils/SkottieUtils.cpp"
|
|
if [[ $@ == *no_managed_skottie* ]]; then
|
|
echo "Omitting managed Skottie"
|
|
WASM_MANAGED_SKOTTIE="-DSK_INCLUDE_MANAGED_SKOTTIE=0"
|
|
fi
|
|
|
|
HTML_CANVAS_API="--pre-js $BASE_DIR/htmlcanvas/preamble.js \
|
|
--pre-js $BASE_DIR/htmlcanvas/util.js \
|
|
--pre-js $BASE_DIR/htmlcanvas/color.js \
|
|
--pre-js $BASE_DIR/htmlcanvas/font.js \
|
|
--pre-js $BASE_DIR/htmlcanvas/canvas2dcontext.js \
|
|
--pre-js $BASE_DIR/htmlcanvas/htmlcanvas.js \
|
|
--pre-js $BASE_DIR/htmlcanvas/imagedata.js \
|
|
--pre-js $BASE_DIR/htmlcanvas/lineargradient.js \
|
|
--pre-js $BASE_DIR/htmlcanvas/path2d.js \
|
|
--pre-js $BASE_DIR/htmlcanvas/pattern.js \
|
|
--pre-js $BASE_DIR/htmlcanvas/radialgradient.js \
|
|
--pre-js $BASE_DIR/htmlcanvas/postamble.js "
|
|
if [[ $@ == *no_canvas* ]]; then
|
|
echo "Omitting bindings for HTML Canvas API"
|
|
HTML_CANVAS_API=""
|
|
fi
|
|
|
|
BUILTIN_FONT="$BASE_DIR/fonts/NotoMono-Regular.ttf.cpp"
|
|
if [[ $@ == *no_font* ]]; then
|
|
echo "Omitting the built-in font(s)"
|
|
BUILTIN_FONT=""
|
|
else
|
|
# Generate the font's binary file (which is covered by .gitignore)
|
|
python tools/embed_resources.py \
|
|
--name SK_EMBEDDED_FONTS \
|
|
--input $BASE_DIR/fonts/NotoMono-Regular.ttf \
|
|
--output $BASE_DIR/fonts/NotoMono-Regular.ttf.cpp \
|
|
--align 4
|
|
fi
|
|
|
|
# Turn off exiting while we check for ninja (which may not be on PATH)
|
|
set +e
|
|
NINJA=`which ninja`
|
|
if [[ -z $NINJA ]]; then
|
|
git clone "https://chromium.googlesource.com/chromium/tools/depot_tools.git" --depth 1 $BUILD_DIR/depot_tools
|
|
NINJA=$BUILD_DIR/depot_tools/ninja
|
|
fi
|
|
# Re-enable error checking
|
|
set -e
|
|
|
|
echo "Compiling bitcode"
|
|
|
|
# Inspired by https://github.com/Zubnix/skia-wasm-port/blob/master/build_bindings.sh
|
|
./bin/gn gen ${BUILD_DIR} \
|
|
--args="cc=\"${EMCC}\" \
|
|
cxx=\"${EMCXX}\" \
|
|
extra_cflags_cc=[\"-frtti\"] \
|
|
extra_cflags=[\"-s\",\"USE_FREETYPE=1\",\"-s\",\"USE_LIBPNG=1\", \"-s\", \"WARN_UNALIGNED=1\",
|
|
\"-DSKNX_NO_SIMD\", \"-DSK_DISABLE_AAA\", \"-DSK_DISABLE_DAA\", \"-DSK_DISABLE_READBUFFER\",
|
|
\"-DSK_DISABLE_EFFECT_DESERIALIZATION\",
|
|
${GN_GPU_FLAGS}
|
|
${EXTRA_CFLAGS}
|
|
] \
|
|
is_debug=false \
|
|
is_official_build=true \
|
|
is_component_build=false \
|
|
target_cpu=\"wasm\" \
|
|
\
|
|
skia_use_angle = false \
|
|
skia_use_dng_sdk=false \
|
|
skia_use_egl=true \
|
|
skia_use_expat=false \
|
|
skia_use_fontconfig=false \
|
|
skia_use_freetype=true \
|
|
skia_use_icu=false \
|
|
skia_use_libheif=false \
|
|
skia_use_system_libjpeg_turbo = false \
|
|
skia_use_libjpeg_turbo=true \
|
|
skia_use_libpng=true \
|
|
skia_use_libwebp=false \
|
|
skia_use_lua=false \
|
|
skia_use_piex=false \
|
|
skia_use_vulkan=false \
|
|
skia_use_zlib=true \
|
|
\
|
|
skia_enable_ccpr=false \
|
|
skia_enable_nvpr=false \
|
|
skia_enable_skpicture=false \
|
|
${GN_GPU} \
|
|
skia_enable_fontmgr_empty=false \
|
|
skia_enable_pdf=false"
|
|
|
|
${NINJA} -C ${BUILD_DIR} libskia.a
|
|
|
|
export EMCC_CLOSURE_ARGS="--externs $BASE_DIR/externs.js "
|
|
|
|
echo "Generating final wasm"
|
|
|
|
# Skottie doesn't end up in libskia and is currently not its own library
|
|
# so we just hack in the .cpp files we need for now.
|
|
# Emscripten prefers that libskia.a goes last in order, otherwise, it
|
|
# may drop symbols that it incorrectly thinks aren't used. One day,
|
|
# Emscripten will use LLD, which may relax this requirement.
|
|
${EMCXX} \
|
|
$RELEASE_CONF \
|
|
-Iexperimental \
|
|
-Iinclude/c \
|
|
-Iinclude/codec \
|
|
-Iinclude/config \
|
|
-Iinclude/core \
|
|
-Iinclude/effects \
|
|
-Iinclude/gpu \
|
|
-Iinclude/gpu/gl \
|
|
-Iinclude/pathops \
|
|
-Iinclude/private \
|
|
-Iinclude/utils/ \
|
|
-Imodules/skottie/include \
|
|
-Imodules/skottie/utils \
|
|
-Imodules/sksg/include \
|
|
-Imodules/skshaper/include \
|
|
-Isrc/core/ \
|
|
-Isrc/gpu/ \
|
|
-Isrc/sfnt/ \
|
|
-Isrc/shaders/ \
|
|
-Isrc/utils/ \
|
|
-Itools \
|
|
-Itools/fonts \
|
|
-DSK_DISABLE_READBUFFER \
|
|
-DSK_DISABLE_AAA \
|
|
-DSK_DISABLE_DAA \
|
|
$WASM_GPU \
|
|
-std=c++14 \
|
|
--bind \
|
|
--pre-js $BASE_DIR/helper.js \
|
|
--pre-js $BASE_DIR/interface.js \
|
|
--post-js $BASE_DIR/ready.js \
|
|
$HTML_CANVAS_API \
|
|
$BUILTIN_FONT \
|
|
$BASE_DIR/canvaskit_bindings.cpp \
|
|
$WASM_SKOTTIE \
|
|
$WASM_MANAGED_SKOTTIE \
|
|
$BUILD_DIR/libskia.a \
|
|
-s ALLOW_MEMORY_GROWTH=1 \
|
|
-s EXPORT_NAME="CanvasKitInit" \
|
|
-s FORCE_FILESYSTEM=0 \
|
|
-s MODULARIZE=1 \
|
|
-s NO_EXIT_RUNTIME=1 \
|
|
-s STRICT=1 \
|
|
-s TOTAL_MEMORY=32MB \
|
|
-s USE_FREETYPE=1 \
|
|
-s USE_LIBPNG=1 \
|
|
-s WARN_UNALIGNED=1 \
|
|
-s WASM=1 \
|
|
-o $BUILD_DIR/canvaskit.js
|