| #!/bin/bash |
| # Copyright 2020 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 |
| cat >&2 << "EOF" |
| Be sure to set the EMSDK environment variable to the location of Emscripten SDK: |
| |
| https://emscripten.org/docs/getting_started/downloads.html |
| EOF |
| exit 1 |
| fi |
| |
| # Navigate to SKIA_HOME from where this file is located. |
| pushd $BASE_DIR/../.. |
| |
| source $EMSDK/emsdk_env.sh |
| EMCXX=`which em++` |
| |
| if [[ $@ == *debug* ]]; then |
| echo "Building a Debug build" |
| DEBUG=true |
| EXTRA_CFLAGS="\"-DSK_DEBUG\", \"-DGPU_TEST_UTILS\", " |
| RELEASE_CONF="-O1 --js-opts 0 -sDEMANGLE_SUPPORT=1 -frtti -sASSERTIONS=1 -sGL_ASSERTIONS=1 -g \ |
| -DSK_DEBUG --pre-js $BASE_DIR/debug.js" |
| BUILD_DIR=${BUILD_DIR:="out/wasm_gm_tests_debug"} |
| else |
| echo "Building a release build" |
| DEBUG=false |
| BUILD_DIR=${BUILD_DIR:="out/wasm_gm_tests"} |
| RELEASE_CONF="-O3 -DSK_RELEASE --pre-js $BASE_DIR/release.js \ |
| -DGPU_TEST_UTILS" |
| EXTRA_CFLAGS="\"-DSK_RELEASE\", \"-DGPU_TEST_UTILS\", " |
| fi |
| |
| IS_OFFICIAL_BUILD="false" |
| |
| mkdir -p $BUILD_DIR |
| # sometimes the .a files keep old symbols around - cleaning them out makes sure |
| # we get a fresh build. |
| rm -f $BUILD_DIR/*.a |
| |
| GN_GPU="skia_enable_ganesh=true skia_gl_standard = \"webgl\"" |
| GN_GPU_FLAGS="\"-DSK_DISABLE_LEGACY_SHADERCONTEXT\"," |
| WASM_GPU="-lGL -DSK_GANESH -DSK_GL -DCK_ENABLE_WEBGL \ |
| -DSK_DISABLE_LEGACY_SHADERCONTEXT --pre-js $BASE_DIR/cpu.js --pre-js $BASE_DIR/webgl.js\ |
| -sUSE_WEBGL2=1" |
| |
| GM_LIB="$BUILD_DIR/libgm_wasm.a" |
| |
| GN_FONT="skia_enable_fontmgr_custom_directory=false " |
| BUILTIN_FONT="$BASE_DIR/fonts/NotoMono-Regular.ttf.cpp" |
| # Generate the font's binary file (which is covered by .gitignore) |
| python3 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 |
| GN_FONT+="skia_enable_fontmgr_custom_embedded=true skia_enable_fontmgr_custom_empty=false" |
| |
| |
| GN_SHAPER="skia_use_icu=true skia_use_system_icu=false skia_use_harfbuzz=true skia_use_system_harfbuzz=false" |
| |
| ./bin/fetch-ninja |
| NINJA=third_party/ninja/ninja |
| |
| ./bin/fetch-gn |
| |
| echo "Compiling bitcode" |
| |
| # Inspired by https://github.com/Zubnix/skia-wasm-port/blob/master/build_bindings.sh |
| ./bin/gn gen ${BUILD_DIR} \ |
| --args="skia_emsdk_dir=\"${EMSDK}\" \ |
| extra_cflags_cc=[\"-frtti\"] \ |
| extra_cflags=[\"-sMAIN_MODULE=1\", |
| \"-DSKNX_NO_SIMD\", \"-DSK_FORCE_AAA\", |
| \"-DSK_FORCE_8_BYTE_ALIGNMENT\", |
| ${GN_GPU_FLAGS} |
| ${EXTRA_CFLAGS} |
| ] \ |
| is_debug=${DEBUG} \ |
| is_official_build=${IS_OFFICIAL_BUILD} \ |
| is_trivial_abi=true \ |
| is_component_build=false \ |
| werror=true \ |
| target_cpu=\"wasm\" \ |
| \ |
| skia_use_angle=false \ |
| skia_use_dng_sdk=false \ |
| skia_use_webgl=true \ |
| skia_use_fontconfig=false \ |
| skia_use_freetype=true \ |
| skia_use_libheif=true \ |
| skia_use_libjpeg_turbo_decode=true \ |
| skia_use_libjpeg_turbo_encode=true \ |
| skia_use_libpng_decode=true \ |
| skia_use_libpng_encode=true \ |
| skia_use_libwebp_decode=true \ |
| skia_use_libwebp_encode=true \ |
| skia_use_lua=false \ |
| skia_use_piex=true \ |
| skia_use_system_freetype2=false \ |
| skia_use_system_libjpeg_turbo=false \ |
| skia_use_system_libpng=false \ |
| skia_use_system_libwebp=false \ |
| skia_use_system_zlib=false\ |
| skia_use_vulkan=false \ |
| skia_use_wuffs=true \ |
| skia_use_zlib=true \ |
| \ |
| ${GN_SHAPER} \ |
| ${GN_GPU} \ |
| ${GN_FONT} \ |
| skia_use_expat=true \ |
| skia_enable_svg=true \ |
| skia_enable_skshaper=true \ |
| skia_enable_skparagraph=true \ |
| skia_enable_pdf=false" |
| |
| # Build all the libs we will need below |
| parse_targets() { |
| for LIBPATH in $@; do |
| basename $LIBPATH |
| done |
| } |
| ${NINJA} -C ${BUILD_DIR} libskia.a libskshaper.a libskunicode_core.a libskunicode_icu.a \ |
| $(parse_targets $GM_LIB) |
| |
| echo "Generating final wasm" |
| |
| # Defines for the emscripten compilation step, which builds the tests |
| # Aim to match the defines that would be set by gn for the skia compilation step. |
| SKIA_DEFINES=" |
| -DSK_FORCE_AAA \ |
| -DSK_FORCE_8_BYTE_ALIGNMENT \ |
| -DSK_HAS_WUFFS_LIBRARY \ |
| -DSK_HAS_HEIF_LIBRARY \ |
| -DSK_CODEC_DECODES_WEBP \ |
| -DSK_CODEC_DECODES_PNG \ |
| -DSK_CODEC_DECODES_JPEG \ |
| -DSK_SHAPER_HARFBUZZ_AVAILABLE \ |
| -DSK_UNICODE_AVAILABLE \ |
| -DSK_UNICODE_ICU_IMPLEMENTATION \ |
| -DSK_ENABLE_SVG \ |
| -DSK_TRIVIAL_ABI=[[clang::trivial_abi]]" |
| |
| GMS_TO_BUILD="gm/*.cpp" |
| TESTS_TO_BUILD="tests/*.cpp" |
| |
| # When developing locally, it can be faster to focus only on the gms or tests you care about |
| # (since they all have to be recompiled/relinked) every time. To do so, mark the following as true |
| if false; then |
| GMS_TO_BUILD="gm/gm.cpp" |
| TESTS_TO_BUILD="tests/BulkRectTest.cpp tests/Test.cpp" |
| fi |
| |
| # These gms do not compile or link with the WASM code. Thus, we omit them. |
| GLOBIGNORE="gm/compressed_textures.cpp:"\ |
| "gm/animated_gif.cpp:"\ |
| "gm/fiddle.cpp:"\ |
| "gm/fontations.cpp:"\ |
| "gm/fontations_ft_compare.cpp:"\ |
| "gm/video_decoder.cpp:" |
| |
| # These tests do not compile with the WASM code (require other deps). |
| GLOBIGNORE+="tests/CodecTest.cpp:"\ |
| "tests/CodecAnimTest.cpp:"\ |
| "tests/ColorSpaceTest.cpp:"\ |
| "tests/DrawOpAtlasTest.cpp:"\ |
| "tests/EncodeTest.cpp:"\ |
| "tests/FontMgrAndroidParserTest.cpp:"\ |
| "tests/FontMgrFontConfigTest.cpp:"\ |
| "tests/FontationsTest.cpp:"\ |
| "tests/FontationsFtCompTest.cpp:"\ |
| "tests/FCITest.cpp:"\ |
| "tests/JpegGainmapTest.cpp:"\ |
| "tests/TypefaceMacTest.cpp:" |
| |
| # These tests do complex things with TestContexts, which is not easily supported for the WASM |
| # test harness. Thus we omit them. |
| GLOBIGNORE+="tests/BackendAllocationTest.cpp:"\ |
| "tests/EGLImageTest.cpp:"\ |
| "tests/ImageTest.cpp:"\ |
| "tests/SurfaceSemaphoreTest.cpp:"\ |
| "tests/TextureBindingsResetTest.cpp:"\ |
| "tests/VkHardwareBufferTest.cpp:" |
| |
| # All the tests in these files crash. |
| GLOBIGNORE+="tests/GrThreadSafeCacheTest.cpp:" |
| |
| # Bazel-related ignores (test runners, incompatible GMs, etc.). |
| GLOBIGNORE+="gm/png_codec.cpp" |
| |
| # Emscripten prefers that the .a files go 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. |
| EMCC_DEBUG=1 ${EMCXX} \ |
| $RELEASE_CONF \ |
| -I. \ |
| -DGPU_TEST_UTILS \ |
| $SKIA_DEFINES \ |
| $WASM_GPU \ |
| -std=c++17 \ |
| --profiling-funcs \ |
| --profiling \ |
| --bind \ |
| --no-entry \ |
| --pre-js $BASE_DIR/gm.js \ |
| tools/Resources.cpp \ |
| $BASE_DIR/gm_bindings.cpp \ |
| $GMS_TO_BUILD \ |
| $TESTS_TO_BUILD \ |
| $GM_LIB \ |
| $BUILD_DIR/libskshaper.a \ |
| $BUILD_DIR/libskunicode_core.a \ |
| $BUILD_DIR/libskunicode_icu.a \ |
| $BUILD_DIR/libsvg.a \ |
| $BUILD_DIR/libskia.a \ |
| $BUILTIN_FONT \ |
| -sALLOW_MEMORY_GROWTH=1 \ |
| -sEXPORT_NAME="InitWasmGMTests" \ |
| -sEXPORTED_FUNCTIONS=['_malloc','_free'] \ |
| -sFORCE_FILESYSTEM=1 \ |
| -sFILESYSTEM=1 \ |
| -sMODULARIZE=1 \ |
| -sNO_EXIT_RUNTIME=1 \ |
| -sINITIAL_MEMORY=256MB \ |
| -sWASM=1 \ |
| -sSTRICT=1 \ |
| -o $BUILD_DIR/wasm_gm_tests.js |