skia2/experimental/canvaskit/compile.sh
Kevin Lubick 93faa6795b Make CCPR optional
This can reduce code size where CCPR is not supported (e.g. WebGL 1.0)

Drops 130k uncompressed, 50k compressed.

Bug: skia:
Change-Id: I8af7e681e1f3520a18e0c0d55e318dcf88206584
Reviewed-on: https://skia-review.googlesource.com/c/161041
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2018-10-10 20:20:01 +00:00

146 lines
4.0 KiB
Bash
Executable File

#!/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 $EMSDK ]]; then
echo "Be sure to set the EMSDK environment variable."
exit 1
fi
BUILD_DIR=${BUILD_DIR:="out/canvaskit_wasm"}
mkdir -p $BUILD_DIR
# 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"
EXTRA_CFLAGS="\"-DSK_RELEASE\""
if [[ $@ == *debug* ]]; then
echo "Building a Debug build"
EXTRA_CFLAGS="\"-DSK_DEBUG\""
RELEASE_CONF="-O0 --js-opts 0 -s SAFE_HEAP=1 -s ASSERTIONS=1 -s GL_ASSERTIONS=1 -g3 -DPATHKIT_TESTING -DSK_DEBUG"
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\",
\"-DIS_WEBGL=1\", \"-DSKNX_NO_SIMD\",
${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_libjpeg_turbo=false \
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_gpu=true \
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.
${EMCXX} \
$RELEASE_CONF \
-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/sksg/include \
-Isrc/core/ \
-Isrc/utils/ \
-Isrc/sfnt/ \
-Itools/fonts \
-Itools \
-lEGL \
-lGLESv2 \
-std=c++14 \
--bind \
--pre-js $BASE_DIR/helper.js \
--pre-js $BASE_DIR/interface.js \
$BASE_DIR/canvaskit_bindings.cpp \
$BUILD_DIR/libskia.a \
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 \
src/core/SkCubicMap.cpp \
src/core/SkTime.cpp \
src/pathops/SkOpBuilder.cpp \
tools/fonts/SkTestFontMgr.cpp \
tools/fonts/SkTestTypeface.cpp \
src/utils/SkJSON.cpp \
src/utils/SkParse.cpp \
-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