modules/canvaskit/compile.sh - skia - Git at Google

 #!/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

 # Navigate to SKIA_HOME from where this file is located.
 BASE_DIR=`cd $(dirname ${BASH_SOURCE[0]}) && pwd`
 pushd $BASE_DIR/../..
 ./bin/fetch-gn

 IS_OFFICIAL_BUILD="true"
 IS_DEBUG="false"
 FORCE_TRACING="false"
 PROFILE_BUILD="false"
 # Tracing will be disabled in release/profiling unless this flag is seen. Tracing will
 # be on debug builds always.
 if [[ $@ != *force_tracing* ]] ; then
   FORCE_TRACING="true"
 fi

 if [[ $@ == *debug_build* ]]; then
   echo "Building a Debug build"
   IS_DEBUG="true"
   IS_OFFICIAL_BUILD="false"
   BUILD_DIR=${BUILD_DIR:="out/canvaskit_wasm_debug"}
 elif [[ $@ == *profiling* ]]; then
   echo "Building a build for profiling"
   PROFILE_BUILD="true"
   BUILD_DIR=${BUILD_DIR:="out/canvaskit_wasm_profile"}
 else
   BUILD_DIR=${BUILD_DIR:="out/canvaskit_wasm"}
 fi

 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

 ENABLE_GPU="true"
 ENABLE_WEBGL="false"
 ENABLE_WEBGPU="false"
 if [[ $@ == *cpu* ]]; then
   echo "Using the CPU backend instead of the GPU backend"
   ENABLE_GPU="false"
 elif [[ $@ == *webgpu* ]]; then
   echo "Using WebGPU instead of WebGL"
   ENABLE_WEBGPU="true"
 else
   ENABLE_WEBGL="true"
 fi

 SERIALIZE_SKP="true"
 if [[ $@ == *no_skp_serialization* ]]; then
   # This saves about 20kb compressed.
   echo "disabling SKP serialization"
   SERIALIZE_SKP="false"
 fi
 DESERIALIZE_EFFECTS="true"
 if [[ $@ == *no_effects_deserialization* ]]; then
   # This saves about 60kb compressed.
   echo "disabling effects deserialization"
   DESERIALIZE_EFFECTS="false"
 fi

 ENABLE_SKOTTIE="true"
 if [[ $@ == *no_skottie* ]]; then
   echo "Omitting Skottie"
   ENABLE_SKOTTIE="false"
 fi

 INCLUDE_VIEWER="false"
 USE_EXPAT="false"
 if [[ $@ == *viewer* ]]; then
   echo "Including viewer"
   INCLUDE_VIEWER="true"
   USE_EXPAT="true"
   IS_OFFICIAL_BUILD="false"
 fi

 ENABLE_PARTICLES="true"
 if [[ $@ == *no_particles* ]]; then
   echo "Omitting Particles"
   ENABLE_PARTICLES="false"
 fi

 ENABLE_PATHOPS="true"
 if [[ $@ == *no_pathops* ]] ; then
   # This saves about 2kb compressed.
   echo "Omitting PathOps"
   ENABLE_PATHOPS="false"
 fi

 ENABLE_RT_SHADER="true"
 if [[ $@ == *no_rt_shader* ]] ; then
   echo "Omitting runtime shaders"
   ENABLE_RT_SHADER="false"
 fi

 ENABLE_SKSL_TRACE="true"
 if [[ $@ == *no_sksl_trace* ]] ; then
   echo "Omitting SkSl trace"
   ENABLE_SKSL_TRACE="false"
 fi

 ENABLE_MATRIX="true"
 if [[ $@ == *no_matrix* ]]; then
   echo "Omitting matrix helper code"
   ENABLE_MATRIX="false"
 fi

 ENABLE_CANVAS="true"
 if [[ $@ == *no_canvas* || $@ == *no_matrix* ]]; then
   # Note: HTML Canvas bindings depend on the matrix helpers.
   echo "Omitting bindings for HTML Canvas API"
   ENABLE_CANVAS="false"
 fi

 GN_FONT="skia_enable_fontmgr_custom_directory=false "
 WOFF2_FONT="skia_use_freetype_woff2=true"
 ENABLE_FONT="true"
 ENABLE_EMBEDDED_FONT="true"
 if [[ $@ == *no_font* ]]; then
   echo "Omitting the built-in font(s), font manager and all code dealing with fonts"
   ENABLE_FONT="false"
   ENABLE_EMBEDDED_FONT="false"
   GN_FONT+="skia_enable_fontmgr_custom_embedded=false skia_enable_fontmgr_custom_empty=false"
 elif [[ $@ == *no_embedded_font* ]]; then
   echo "Omitting the built-in font(s)"
   ENABLE_EMBEDDED_FONT="false"
   GN_FONT+="skia_enable_fontmgr_custom_embedded=false skia_enable_fontmgr_custom_empty=true"
 else
   # Generate the font's binary file (which is covered by .gitignore)
   GN_FONT+="skia_enable_fontmgr_custom_embedded=true skia_enable_fontmgr_custom_empty=false"
 fi

 if [[ $@ == *no_woff2* ]]; then
   WOFF2_FONT="skia_use_freetype_woff2=false"
 fi

 ENABLE_ALIAS_FONT="true"
 if [[ $@ == *no_alias_font* ]]; then
   ENABLE_ALIAS_FONT="false"
 fi

 LEGACY_DRAW_VERTICES="false"
 if [[ $@ == *legacy_draw_vertices* ]]; then
   LEGACY_DRAW_VERTICES="true"
 fi

 DEBUGGER_ENABLED="false"
 if [[ $@ == *enable_debugger* ]]; then
   DEBUGGER_ENABLED="true"
 fi

 GN_SHAPER="skia_use_icu=true skia_use_system_icu=false skia_use_harfbuzz=true skia_use_system_harfbuzz=false"
 if [[ $@ == *primitive_shaper* ]] || [[ $@ == *no_font* ]]; then
   echo "Using the primitive shaper instead of the harfbuzz/icu one"
   GN_SHAPER="skia_use_icu=false skia_use_harfbuzz=false"
 fi

 ENABLE_PARAGRAPH="true"
 if [[ $@ == *no_paragraph* ]] || [[ $@ == *primitive_shaper* ]] || [[ $@ == *no_font* ]]; then
   echo "Omitting paragraph (must have fonts and non-primitive shaper)"
   ENABLE_PARAGRAPH="false"
 fi

 DO_DECODE="true"
 if [[ $@ == *no_codecs* ]]; then
   echo "Omitting codecs"
   DO_DECODE="false"
   ENCODE_PNG="false"
   ENCODE_JPEG="false"
   ENCODE_WEBP="false"
 else

   ENCODE_PNG="true"
   if [[ $@ == *no_encode_png* ]]; then
     ENCODE_PNG="false"
   fi

   ENCODE_JPEG="true"
   if [[ $@ == *no_encode_jpeg* ]]; then
     ENCODE_JPEG="false"
   fi

   ENCODE_WEBP="true"
   if [[ $@ == *no_encode_webp* ]]; then
     ENCODE_WEBP="false"
   fi

 fi # no_codecs

 # 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"

 ./bin/gn gen ${BUILD_DIR} \
   --args="is_debug=${IS_DEBUG} \
   is_official_build=${IS_OFFICIAL_BUILD} \
   is_component_build=false \
   werror=true \
   target_cpu=\"wasm\" \
   \
   skia_use_angle=false \
   skia_use_dng_sdk=false \
   skia_use_dawn=${ENABLE_WEBGPU} \
   skia_use_webgl=${ENABLE_WEBGL} \
   skia_use_webgpu=${ENABLE_WEBGPU} \
   skia_use_expat=${USE_EXPAT} \
   skia_use_fontconfig=false \
   skia_use_freetype=true \
   skia_use_libheif=false \
   skia_use_libjpeg_turbo_decode=${DO_DECODE} \
   skia_use_libjpeg_turbo_encode=${ENCODE_JPEG} \
   skia_use_libpng_decode=${DO_DECODE} \
   skia_use_libpng_encode=${ENCODE_PNG} \
   skia_use_libwebp_decode=${DO_DECODE} \
   skia_use_libwebp_encode=${ENCODE_WEBP} \
   skia_use_lua=false \
   skia_use_piex=false \
   skia_use_system_freetype2=false \
   skia_use_system_libjpeg_turbo=false \
   skia_use_system_libpng=false \
   skia_use_system_libwebp=false \
   skia_use_system_zlib=false\
   skia_use_vulkan=false \
   skia_use_wuffs=true \
   skia_use_zlib=true \
   skia_enable_gpu=${ENABLE_GPU} \
   skia_build_for_debugger=${DEBUGGER_ENABLED} \
   skia_enable_sksl_tracing=${ENABLE_SKSL_TRACE} \
   \
   ${GN_SHAPER} \
   ${GN_FONT} \
   ${WOFF2_FONT} \
   \
   skia_enable_skshaper=true \
   skia_enable_skparagraph=true \
   skia_enable_pdf=false \
   skia_canvaskit_force_tracing=${FORCE_TRACING} \
   skia_canvaskit_profile_build=${PROFILE_BUILD} \
   skia_canvaskit_enable_skp_serialization=${SERIALIZE_SKP} \
   skia_canvaskit_enable_effects_deserialization=${DESERIALIZE_EFFECTS} \
   skia_canvaskit_enable_skottie=${ENABLE_SKOTTIE} \
   skia_canvaskit_include_viewer=${INCLUDE_VIEWER} \
   skia_canvaskit_enable_particles=${ENABLE_PARTICLES} \
   skia_canvaskit_enable_pathops=${ENABLE_PATHOPS} \
   skia_canvaskit_enable_rt_shader=${ENABLE_RT_SHADER} \
   skia_canvaskit_enable_matrix_helper=${ENABLE_MATRIX} \
   skia_canvaskit_enable_canvas_bindings=${ENABLE_CANVAS} \
   skia_canvaskit_enable_font=${ENABLE_FONT} \
   skia_canvaskit_enable_embedded_font=${ENABLE_EMBEDDED_FONT} \
   skia_canvaskit_enable_alias_font=${ENABLE_ALIAS_FONT} \
   skia_canvaskit_legacy_draw_vertices_blend_mode=${LEGACY_DRAW_VERTICES} \
   skia_canvaskit_enable_debugger=${DEBUGGER_ENABLED} \
   skia_canvaskit_enable_paragraph=${ENABLE_PARAGRAPH} \
   skia_canvaskit_enable_webgl=${ENABLE_WEBGL} \
   skia_canvaskit_enable_webgpu=${ENABLE_WEBGPU}"

 ${NINJA} -C ${BUILD_DIR} canvaskit.js
	#!/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

	# Navigate to SKIA_HOME from where this file is located.
	BASE_DIR=`cd $(dirname ${BASH_SOURCE[0]}) && pwd`
	pushd $BASE_DIR/../..
	./bin/fetch-gn

	IS_OFFICIAL_BUILD="true"
	IS_DEBUG="false"
	FORCE_TRACING="false"
	PROFILE_BUILD="false"
	# Tracing will be disabled in release/profiling unless this flag is seen. Tracing will
	# be on debug builds always.
	if [[ $@ != force_tracing ]] ; then
	FORCE_TRACING="true"
	fi

	if [[ $@ == debug_build ]]; then
	echo "Building a Debug build"
	IS_DEBUG="true"
	IS_OFFICIAL_BUILD="false"
	BUILD_DIR=${BUILD_DIR:="out/canvaskit_wasm_debug"}
	elif [[ $@ == profiling ]]; then
	echo "Building a build for profiling"
	PROFILE_BUILD="true"
	BUILD_DIR=${BUILD_DIR:="out/canvaskit_wasm_profile"}
	else
	BUILD_DIR=${BUILD_DIR:="out/canvaskit_wasm"}
	fi

	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

	ENABLE_GPU="true"
	ENABLE_WEBGL="false"
	ENABLE_WEBGPU="false"
	if [[ $@ == cpu ]]; then
	echo "Using the CPU backend instead of the GPU backend"
	ENABLE_GPU="false"
	elif [[ $@ == webgpu ]]; then
	echo "Using WebGPU instead of WebGL"
	ENABLE_WEBGPU="true"
	else
	ENABLE_WEBGL="true"
	fi

	SERIALIZE_SKP="true"
	if [[ $@ == no_skp_serialization ]]; then
	# This saves about 20kb compressed.
	echo "disabling SKP serialization"
	SERIALIZE_SKP="false"
	fi
	DESERIALIZE_EFFECTS="true"
	if [[ $@ == no_effects_deserialization ]]; then
	# This saves about 60kb compressed.
	echo "disabling effects deserialization"
	DESERIALIZE_EFFECTS="false"
	fi

	ENABLE_SKOTTIE="true"
	if [[ $@ == no_skottie ]]; then
	echo "Omitting Skottie"
	ENABLE_SKOTTIE="false"
	fi

	INCLUDE_VIEWER="false"
	USE_EXPAT="false"
	if [[ $@ == viewer ]]; then
	echo "Including viewer"
	INCLUDE_VIEWER="true"
	USE_EXPAT="true"
	IS_OFFICIAL_BUILD="false"
	fi

	ENABLE_PARTICLES="true"
	if [[ $@ == no_particles ]]; then
	echo "Omitting Particles"
	ENABLE_PARTICLES="false"
	fi

	ENABLE_PATHOPS="true"
	if [[ $@ == no_pathops ]] ; then
	# This saves about 2kb compressed.
	echo "Omitting PathOps"
	ENABLE_PATHOPS="false"
	fi

	ENABLE_RT_SHADER="true"
	if [[ $@ == no_rt_shader ]] ; then
	echo "Omitting runtime shaders"
	ENABLE_RT_SHADER="false"
	fi

	ENABLE_SKSL_TRACE="true"
	if [[ $@ == no_sksl_trace ]] ; then
	echo "Omitting SkSl trace"
	ENABLE_SKSL_TRACE="false"
	fi

	ENABLE_MATRIX="true"
	if [[ $@ == no_matrix ]]; then
	echo "Omitting matrix helper code"
	ENABLE_MATRIX="false"
	fi

	ENABLE_CANVAS="true"
	if [[ $@ == no_canvas \|\| $@ == no_matrix ]]; then
	# Note: HTML Canvas bindings depend on the matrix helpers.
	echo "Omitting bindings for HTML Canvas API"
	ENABLE_CANVAS="false"
	fi

	GN_FONT="skia_enable_fontmgr_custom_directory=false "
	WOFF2_FONT="skia_use_freetype_woff2=true"
	ENABLE_FONT="true"
	ENABLE_EMBEDDED_FONT="true"
	if [[ $@ == no_font ]]; then
	echo "Omitting the built-in font(s), font manager and all code dealing with fonts"
	ENABLE_FONT="false"
	ENABLE_EMBEDDED_FONT="false"
	GN_FONT+="skia_enable_fontmgr_custom_embedded=false skia_enable_fontmgr_custom_empty=false"
	elif [[ $@ == no_embedded_font ]]; then
	echo "Omitting the built-in font(s)"
	ENABLE_EMBEDDED_FONT="false"
	GN_FONT+="skia_enable_fontmgr_custom_embedded=false skia_enable_fontmgr_custom_empty=true"
	else
	# Generate the font's binary file (which is covered by .gitignore)
	GN_FONT+="skia_enable_fontmgr_custom_embedded=true skia_enable_fontmgr_custom_empty=false"
	fi

	if [[ $@ == no_woff2 ]]; then
	WOFF2_FONT="skia_use_freetype_woff2=false"
	fi

	ENABLE_ALIAS_FONT="true"
	if [[ $@ == no_alias_font ]]; then
	ENABLE_ALIAS_FONT="false"
	fi

	LEGACY_DRAW_VERTICES="false"
	if [[ $@ == legacy_draw_vertices ]]; then
	LEGACY_DRAW_VERTICES="true"
	fi

	DEBUGGER_ENABLED="false"
	if [[ $@ == enable_debugger ]]; then
	DEBUGGER_ENABLED="true"
	fi

	GN_SHAPER="skia_use_icu=true skia_use_system_icu=false skia_use_harfbuzz=true skia_use_system_harfbuzz=false"
	if [[ $@ == primitive_shaper ]] \|\| [[ $@ == no_font ]]; then
	echo "Using the primitive shaper instead of the harfbuzz/icu one"
	GN_SHAPER="skia_use_icu=false skia_use_harfbuzz=false"
	fi

	ENABLE_PARAGRAPH="true"
	if [[ $@ == no_paragraph ]] \|\| [[ $@ == primitive_shaper ]] \|\| [[ $@ == no_font ]]; then
	echo "Omitting paragraph (must have fonts and non-primitive shaper)"
	ENABLE_PARAGRAPH="false"
	fi

	DO_DECODE="true"
	if [[ $@ == no_codecs ]]; then
	echo "Omitting codecs"
	DO_DECODE="false"
	ENCODE_PNG="false"
	ENCODE_JPEG="false"
	ENCODE_WEBP="false"
	else

	ENCODE_PNG="true"
	if [[ $@ == no_encode_png ]]; then
	ENCODE_PNG="false"
	fi

	ENCODE_JPEG="true"
	if [[ $@ == no_encode_jpeg ]]; then
	ENCODE_JPEG="false"
	fi

	ENCODE_WEBP="true"
	if [[ $@ == no_encode_webp ]]; then
	ENCODE_WEBP="false"
	fi

	fi # no_codecs

	# 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"

	./bin/gn gen ${BUILD_DIR} \
	--args="is_debug=${IS_DEBUG} \
	is_official_build=${IS_OFFICIAL_BUILD} \
	is_component_build=false \
	werror=true \
	target_cpu=\"wasm\" \
	\
	skia_use_angle=false \
	skia_use_dng_sdk=false \
	skia_use_dawn=${ENABLE_WEBGPU} \
	skia_use_webgl=${ENABLE_WEBGL} \
	skia_use_webgpu=${ENABLE_WEBGPU} \
	skia_use_expat=${USE_EXPAT} \
	skia_use_fontconfig=false \
	skia_use_freetype=true \
	skia_use_libheif=false \
	skia_use_libjpeg_turbo_decode=${DO_DECODE} \
	skia_use_libjpeg_turbo_encode=${ENCODE_JPEG} \
	skia_use_libpng_decode=${DO_DECODE} \
	skia_use_libpng_encode=${ENCODE_PNG} \
	skia_use_libwebp_decode=${DO_DECODE} \
	skia_use_libwebp_encode=${ENCODE_WEBP} \
	skia_use_lua=false \
	skia_use_piex=false \
	skia_use_system_freetype2=false \
	skia_use_system_libjpeg_turbo=false \
	skia_use_system_libpng=false \
	skia_use_system_libwebp=false \
	skia_use_system_zlib=false\
	skia_use_vulkan=false \
	skia_use_wuffs=true \
	skia_use_zlib=true \
	skia_enable_gpu=${ENABLE_GPU} \
	skia_build_for_debugger=${DEBUGGER_ENABLED} \
	skia_enable_sksl_tracing=${ENABLE_SKSL_TRACE} \
	\
	${GN_SHAPER} \
	${GN_FONT} \
	${WOFF2_FONT} \
	\
	skia_enable_skshaper=true \
	skia_enable_skparagraph=true \
	skia_enable_pdf=false \
	skia_canvaskit_force_tracing=${FORCE_TRACING} \
	skia_canvaskit_profile_build=${PROFILE_BUILD} \
	skia_canvaskit_enable_skp_serialization=${SERIALIZE_SKP} \
	skia_canvaskit_enable_effects_deserialization=${DESERIALIZE_EFFECTS} \
	skia_canvaskit_enable_skottie=${ENABLE_SKOTTIE} \
	skia_canvaskit_include_viewer=${INCLUDE_VIEWER} \
	skia_canvaskit_enable_particles=${ENABLE_PARTICLES} \
	skia_canvaskit_enable_pathops=${ENABLE_PATHOPS} \
	skia_canvaskit_enable_rt_shader=${ENABLE_RT_SHADER} \
	skia_canvaskit_enable_matrix_helper=${ENABLE_MATRIX} \
	skia_canvaskit_enable_canvas_bindings=${ENABLE_CANVAS} \
	skia_canvaskit_enable_font=${ENABLE_FONT} \
	skia_canvaskit_enable_embedded_font=${ENABLE_EMBEDDED_FONT} \
	skia_canvaskit_enable_alias_font=${ENABLE_ALIAS_FONT} \
	skia_canvaskit_legacy_draw_vertices_blend_mode=${LEGACY_DRAW_VERTICES} \
	skia_canvaskit_enable_debugger=${DEBUGGER_ENABLED} \
	skia_canvaskit_enable_paragraph=${ENABLE_PARAGRAPH} \
	skia_canvaskit_enable_webgl=${ENABLE_WEBGL} \
	skia_canvaskit_enable_webgpu=${ENABLE_WEBGPU}"

	${NINJA} -C ${BUILD_DIR} canvaskit.js