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BUILD.gn
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BUILD.gn
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# Copyright 2016 Google Inc.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("gn/flutter_defines.gni")
import("gn/fuchsia_defines.gni")
import("gn/shared_sources.gni")
import("gn/skia.gni")
import("gn/toolchain/wasm.gni")
if (is_fuchsia) {
import("//build/fuchsia/sdk.gni")
import("build/fuchsia/fuchsia_download_sdk.gni")
}
if (skia_use_dawn) {
import("//third_party/externals/dawn/scripts/dawn_features.gni")
}
if (defined(skia_settings)) {
import(skia_settings)
}
import("gn/ios.gni")
# Skia public API, generally provided by :skia.
config("skia_public") {
include_dirs = [ "." ]
defines = [
"SK_DEFAULT_TYPEFACE_IS_EMPTY",
"SK_DISABLE_LEGACY_DEFAULT_TYPEFACE",
# TODO(305780908) re-enable after fixing Android and G3
#"SK_DISABLE_LEGACY_FONTMGR_FACTORY",
#"SK_DISABLE_LEGACY_FONTMGR_REFDEFAULT",
]
cflags_objcc = []
if (is_component_build) {
defines += [ "SKIA_DLL" ]
}
if (is_fuchsia || is_linux) {
defines += [ "SK_R32_SHIFT=16" ]
}
if (skia_enable_flutter_defines) {
defines += flutter_defines
}
if (skia_enable_optimize_size) {
defines += [
"SK_ENABLE_OPTIMIZE_SIZE",
"SK_FORCE_AAA",
]
}
if (skia_enable_precompile) {
defines += [ "SK_ENABLE_PRECOMPILE" ]
}
if (is_fuchsia) {
defines += fuchsia_defines
}
if (is_wasm) {
defines += wasm_defines
}
if (skia_gl_standard == "gles") {
defines += [ "SK_ASSUME_GL_ES=1" ]
} else if (skia_gl_standard == "gl") {
defines += [ "SK_ASSUME_GL=1" ]
} else if (skia_gl_standard == "webgl") {
defines += [
"SK_ASSUME_WEBGL=1",
"SK_USE_WEBGL",
]
}
if (skia_enable_ganesh) {
defines += [ "SK_GANESH" ]
}
if (skia_enable_graphite) {
defines += [ "SK_GRAPHITE" ]
}
if (skia_use_perfetto) {
defines += [ "SK_USE_PERFETTO" ]
}
if (skia_use_safe_libcxx) {
defines += [ "_LIBCPP_ENABLE_ASSERTIONS=1" ]
}
# Some older versions of the Clang toolchain change the visibility of
# symbols decorated with API_AVAILABLE macro to be visible. Users of such
# toolchains suppress the use of this macro till toolchain updates are made.
if (is_mac || is_ios) {
if (skia_enable_api_available_macro) {
defines += [ "SK_ENABLE_API_AVAILABLE" ]
} else {
cflags_objcc += [ "-Wno-unguarded-availability" ]
}
}
}
# Skia internal APIs, used by Skia itself and a few test tools.
config("skia_private") {
visibility = [ "./*" ]
defines = [ "SK_GAMMA_APPLY_TO_A8" ]
if (skia_use_fixed_gamma_text) {
defines += [
"SK_GAMMA_EXPONENT=1.4",
"SK_GAMMA_CONTRAST=0.0",
]
}
if (is_skia_dev_build && !is_wasm) {
defines += [
"SK_ALLOW_STATIC_GLOBAL_INITIALIZERS=1",
"GR_TEST_UTILS=1",
]
if (skia_enable_graphite) {
defines += [ "GRAPHITE_TEST_UTILS=1" ]
}
}
libs = []
lib_dirs = []
if (skia_use_gl && skia_use_angle) {
defines += [ "SK_ANGLE" ]
}
if (skia_use_vma) {
defines += [ "SK_USE_VMA" ]
}
if (skia_enable_winuwp) {
defines += [ "SK_WINUWP" ]
}
if (skia_print_sksl_shaders) {
defines += [ "SK_PRINT_SKSL_SHADERS" ]
}
if (skia_print_native_shaders) {
defines += [ "SK_PRINT_NATIVE_SHADERS" ]
}
}
# Any code that's linked into Skia-the-library should use this config via += skia_library_configs.
config("skia_library") {
visibility = [ "./*" ]
defines = [ "SKIA_IMPLEMENTATION=1" ]
}
skia_library_configs = [
":skia_public",
":skia_private",
":skia_library",
]
# Use for CPU-specific Skia code that needs particular compiler flags.
template("opts") {
if (invoker.enabled) {
skia_source_set(target_name) {
visibility = [ ":*" ]
check_includes = false
configs = skia_library_configs
forward_variables_from(invoker, "*")
if (defined(invoker.configs)) {
configs += invoker.configs
}
}
} else {
# If not enabled, a phony empty target that swallows all otherwise unused variables.
skia_source_set(target_name) {
visibility = [ ":*" ]
check_includes = false
forward_variables_from(invoker,
"*",
[
"sources",
"cflags",
])
}
}
}
is_x86 = current_cpu == "x64" || current_cpu == "x86"
opts("hsw") {
enabled = is_x86
sources = skia_opts.hsw_sources
if (is_win) {
cflags = [ "/arch:AVX2" ]
} else {
cflags = [ "-march=haswell" ]
}
}
opts("skx") {
enabled = is_x86
sources = skia_opts.skx_sources
if (is_win) {
cflags = [ "/arch:AVX512" ]
} else {
cflags = [ "-march=skylake-avx512" ]
if (is_mac && is_debug) {
cflags += [ "-fno-stack-check" ] # Work around skia:9709
}
}
}
# Any feature of Skia that requires third-party code should be optional and use this template.
template("optional") {
if (invoker.enabled) {
config(target_name + "_public") {
if (defined(invoker.public_defines)) {
defines = invoker.public_defines
}
if (defined(invoker.public_configs)) {
configs = invoker.public_configs
}
if (defined(invoker.public_include_dirs)) {
include_dirs = invoker.public_include_dirs
}
}
skia_source_set(target_name) {
visibility = [ ":*" ]
check_includes = false
configs = skia_library_configs
# "*" clobbers the current scope; append to existing configs
forward_variables_from(invoker,
"*",
[
"configs",
"public_defines",
"sources_for_tests",
"sources_when_disabled",
])
if (defined(invoker.configs)) {
configs += invoker.configs
}
all_dependent_configs = [ ":" + target_name + "_public" ]
}
if (defined(invoker.sources_for_tests) && skia_enable_tools) {
skia_source_set(target_name + "_tests") {
visibility = [ ":*" ]
check_includes = false
configs = skia_library_configs
# "*" clobbers the current scope; append to existing configs
forward_variables_from(invoker,
"*",
[
"configs",
"public_defines",
"sources",
"sources_for_tests",
"sources_when_disabled",
])
if (defined(invoker.configs)) {
configs += invoker.configs
}
testonly = true
sources = invoker.sources_for_tests
if (!defined(deps)) {
deps = []
}
deps += [ ":test" ]
all_dependent_configs = [ ":" + target_name + "_public" ]
}
}
} else {
skia_source_set(target_name) {
visibility = [ ":*" ]
configs = skia_library_configs
# "*" clobbers the current scope; append to existing configs
forward_variables_from(invoker,
"*",
[
"configs",
"public",
"public_defines",
"public_deps",
"deps",
"libs",
"frameworks",
"sources",
"sources_for_tests",
"sources_when_disabled",
])
if (defined(invoker.configs)) {
configs += invoker.configs
}
if (defined(invoker.sources_when_disabled)) {
sources = invoker.sources_when_disabled
}
}
if (defined(invoker.sources_for_tests)) {
skia_source_set(target_name + "_tests") {
visibility = [ ":*" ]
}
}
}
}
optional("android_utils") {
enabled = skia_enable_android_utils
public = [
"client_utils/android/BRDAllocator.h",
"client_utils/android/BitmapRegionDecoder.h",
"client_utils/android/FrontBufferedStream.h",
]
public_defines = [ "SK_ENABLE_ANDROID_UTILS" ]
sources = [
"client_utils/android/BitmapRegionDecoder.cpp",
"client_utils/android/FrontBufferedStream.cpp",
]
}
group("fontmgr_factory") {
public_deps = [ skia_fontmgr_factory ]
}
optional("fontmgr_empty_factory") {
enabled = true
sources = [ "src/ports/SkFontMgr_empty_factory.cpp" ]
}
optional("fontmgr_android") {
enabled = skia_enable_fontmgr_android
deps = [
":typeface_freetype",
"//third_party/expat",
]
public_defines = [ "SK_FONTMGR_ANDROID_AVAILABLE" ]
public = [ "include/ports/SkFontMgr_android.h" ]
sources = [
"src/ports/SkFontMgr_android.cpp",
"src/ports/SkFontMgr_android_parser.cpp",
"src/ports/SkFontMgr_android_parser.h",
]
sources_for_tests = [ "tests/FontMgrAndroidParserTest.cpp" ]
}
optional("fontmgr_android_factory") {
enabled = skia_enable_fontmgr_android
deps = [ ":fontmgr_android" ]
sources = [ "src/ports/SkFontMgr_android_factory.cpp" ]
}
optional("fontmgr_custom") {
enabled =
skia_enable_fontmgr_custom_directory ||
skia_enable_fontmgr_custom_embedded || skia_enable_fontmgr_custom_empty
deps = [ ":typeface_freetype" ]
public = [ "src/ports/SkFontMgr_custom.h" ]
sources = [ "src/ports/SkFontMgr_custom.cpp" ]
}
optional("fontmgr_custom_directory") {
enabled = skia_enable_fontmgr_custom_directory
public_defines = [ "SK_FONTMGR_FREETYPE_DIRECTORY_AVAILABLE" ]
deps = [
":fontmgr_custom",
":typeface_freetype",
]
public = [ "include/ports/SkFontMgr_directory.h" ]
sources = [ "src/ports/SkFontMgr_custom_directory.cpp" ]
}
optional("fontmgr_custom_directory_factory") {
enabled = skia_enable_fontmgr_custom_directory
deps = [ ":fontmgr_custom_directory" ]
sources = [ "src/ports/SkFontMgr_custom_directory_factory.cpp" ]
}
optional("fontmgr_custom_embedded") {
enabled = skia_enable_fontmgr_custom_embedded
public_defines = [ "SK_FONTMGR_FREETYPE_EMBEDDED_AVAILABLE" ]
deps = [
":fontmgr_custom",
":typeface_freetype",
]
sources = [ "src/ports/SkFontMgr_custom_embedded.cpp" ]
}
optional("fontmgr_custom_embedded_factory") {
enabled = skia_enable_fontmgr_custom_embedded
deps = [ ":fontmgr_custom_embedded" ]
sources = [ "src/ports/SkFontMgr_custom_embedded_factory.cpp" ]
}
optional("fontmgr_custom_empty") {
enabled = skia_enable_fontmgr_custom_empty
public_defines = [ "SK_FONTMGR_FREETYPE_EMPTY_AVAILABLE" ]
deps = [
":fontmgr_custom",
":typeface_freetype",
]
public = [ "include/ports/SkFontMgr_empty.h" ]
sources = [ "src/ports/SkFontMgr_custom_empty.cpp" ]
}
optional("fontmgr_custom_empty_factory") {
enabled = skia_enable_fontmgr_custom_empty
deps = [ ":fontmgr_custom_empty" ]
sources = [ "src/ports/SkFontMgr_custom_empty_factory.cpp" ]
}
optional("fontmgr_fontconfig") {
enabled = skia_enable_fontmgr_fontconfig
public_defines = [ "SK_FONTMGR_FONTCONFIG_AVAILABLE" ]
# The public header includes fontconfig.h and uses FcConfig*
public_deps = [ "//third_party:fontconfig" ]
public = [ "include/ports/SkFontMgr_fontconfig.h" ]
deps = [ ":typeface_freetype" ]
sources = [ "src/ports/SkFontMgr_fontconfig.cpp" ]
sources_for_tests = [ "tests/FontMgrFontConfigTest.cpp" ]
}
optional("fontmgr_fontconfig_factory") {
enabled = skia_enable_fontmgr_fontconfig
deps = [ ":fontmgr_fontconfig" ]
sources = [ "src/ports/SkFontMgr_fontconfig_factory.cpp" ]
}
optional("fontmgr_FontConfigInterface") {
enabled = skia_enable_fontmgr_FontConfigInterface
deps = [
":typeface_freetype",
"//third_party:fontconfig",
]
public = [
"include/ports/SkFontConfigInterface.h",
"include/ports/SkFontMgr_FontConfigInterface.h",
]
sources = [
"src/ports/SkFontConfigInterface.cpp",
"src/ports/SkFontConfigInterface_direct.cpp",
"src/ports/SkFontConfigInterface_direct_factory.cpp",
"src/ports/SkFontConfigTypeface.h",
"src/ports/SkFontMgr_FontConfigInterface.cpp",
]
sources_for_tests = [ "tests/FCITest.cpp" ]
}
optional("fontmgr_FontConfigInterface_factory") {
enabled = skia_enable_fontmgr_FontConfigInterface
deps = [ ":fontmgr_FontConfigInterface" ]
sources = [ "src/ports/SkFontMgr_FontConfigInterface_factory.cpp" ]
}
optional("fontmgr_fuchsia") {
enabled = skia_enable_fontmgr_fuchsia
public_defines = [ "SK_FONTMGR_FUCHSIA_AVAILABLE" ]
deps = []
if (is_fuchsia && using_fuchsia_sdk) {
deps += [ "//build/fuchsia/fidl:fuchsia.fonts" ]
} else {
deps = [ "//sdk/fidl/fuchsia.fonts" ]
}
public = [ "src/ports/SkFontMgr_fuchsia.h" ]
sources = [ "src/ports/SkFontMgr_fuchsia.cpp" ]
}
optional("fontmgr_mac_ct") {
enabled = skia_use_fonthost_mac
public_defines = [
"SK_TYPEFACE_FACTORY_CORETEXT",
"SK_FONTMGR_CORETEXT_AVAILABLE",
]
public = [
"include/ports/SkFontMgr_mac_ct.h",
"include/ports/SkTypeface_mac.h",
]
sources = [
"src/ports/SkFontMgr_mac_ct.cpp",
"src/ports/SkScalerContext_mac_ct.cpp",
"src/ports/SkScalerContext_mac_ct.h",
"src/ports/SkTypeface_mac_ct.cpp",
"src/ports/SkTypeface_mac_ct.h",
]
sources_for_tests = [ "tests/TypefaceMacTest.cpp" ]
if (is_mac) {
frameworks = [
# AppKit symbols NSFontWeightXXX may be dlsym'ed.
"AppKit.framework",
"ApplicationServices.framework",
]
}
if (is_ios) {
frameworks = [
"CoreFoundation.framework",
"CoreGraphics.framework",
"CoreText.framework",
# UIKit symbols UIFontWeightXXX may be dlsym'ed.
"UIKit.framework",
]
}
}
optional("fontmgr_mac_ct_factory") {
enabled = skia_use_fonthost_mac
deps = [ ":fontmgr_mac_ct" ]
sources = [ "src/ports/SkFontMgr_mac_ct_factory.cpp" ]
}
optional("fontmgr_win") {
enabled = skia_enable_fontmgr_win
public_defines = [
"SK_TYPEFACE_FACTORY_DIRECTWRITE",
"SK_FONTMGR_DIRECTWRITE_AVAILABLE",
]
public = [ "include/ports/SkTypeface_win.h" ]
sources = [
"include/ports/SkFontMgr_indirect.h",
"include/ports/SkRemotableFontMgr.h",
"src/fonts/SkFontMgr_indirect.cpp",
"src/ports/SkFontMgr_win_dw.cpp",
"src/ports/SkScalerContext_win_dw.cpp",
"src/ports/SkScalerContext_win_dw.h",
"src/ports/SkTypeface_win_dw.cpp",
"src/ports/SkTypeface_win_dw.h",
]
if (skia_dwritecore_sdk != "") {
defines = [ "DWRITE_CORE" ]
if (is_win && is_clang) {
# Clang complains about these headers, so mark them as system. These
# headers are hiding SDK headers of the same name, which are also
# included as system headers, so these need to go first in the cflags
# "includes" before the SDK. gn appends configs in the order listed,
# so these flags will be first.
cflags = [
"-imsvc",
"${skia_dwritecore_sdk}/include",
]
} else {
include_dirs = [ "${skia_dwritecore_sdk}/include" ]
}
}
}
optional("fontmgr_win_factory") {
enabled = skia_enable_fontmgr_win
deps = [ ":fontmgr_win" ]
sources = [ "src/ports/SkFontMgr_win_dw_factory.cpp" ]
}
optional("fontmgr_win_gdi") {
enabled = skia_enable_fontmgr_win_gdi
public_defines = [ "SK_FONTMGR_GDI_AVAILABLE" ]
public = [ "include/ports/SkTypeface_win.h" ]
sources = [ "src/ports/SkFontHost_win.cpp" ]
libs = [ "Gdi32.lib" ]
}
if (skia_lex) {
skia_executable("sksllex") {
sources = [
"src/sksl/lex/DFA.h",
"src/sksl/lex/DFAState.h",
"src/sksl/lex/LexUtil.h",
"src/sksl/lex/Main.cpp",
"src/sksl/lex/NFA.cpp",
"src/sksl/lex/NFA.h",
"src/sksl/lex/NFAState.h",
"src/sksl/lex/NFAtoDFA.h",
"src/sksl/lex/RegexNode.cpp",
"src/sksl/lex/RegexNode.h",
"src/sksl/lex/RegexParser.cpp",
"src/sksl/lex/RegexParser.h",
"src/sksl/lex/TransitionTable.cpp",
"src/sksl/lex/TransitionTable.h",
]
include_dirs = [ "." ]
}
action("run_sksllex") {
script = "gn/run_sksllex.py"
deps = [ ":sksllex(//gn/toolchain:$host_toolchain)" ]
sources = [ "src/sksl/lex/sksl.lex" ]
# GN insists its outputs should go somewhere underneath target_out_dir, so we trick it with a
# path that starts with target_out_dir and then uses ".." to back up into the src dir.
outputs = [
"$target_out_dir/" + rebase_path("src/sksl/SkSLLexer.h", target_out_dir),
# the script also modifies the corresponding .cpp file, but if we tell GN that it gets
# confused due to the same file being named by two different paths
]
sksllex_path = "$root_out_dir/"
sksllex_path += "sksllex"
if (host_os == "win") {
sksllex_path += ".exe"
}
args = [
rebase_path(sksllex_path),
rebase_path("bin/clang-format"),
rebase_path("bin/fetch-clang-format"),
rebase_path("src"),
]
}
} else {
group("run_sksllex") {
}
}
if (skia_compile_modules || skia_compile_sksl_tests) {
# Copy the module source files into the same directory as skslc.
copy("sksl_modules") {
sources = [
"src/sksl/sksl_compute.sksl",
"src/sksl/sksl_frag.sksl",
"src/sksl/sksl_gpu.sksl",
"src/sksl/sksl_graphite_frag.sksl",
"src/sksl/sksl_graphite_vert.sksl",
"src/sksl/sksl_public.sksl",
"src/sksl/sksl_rt_shader.sksl",
"src/sksl/sksl_shared.sksl",
"src/sksl/sksl_vert.sksl",
]
skslc_dir = "$root_out_dir/"
if (host_toolchain != default_toolchain_name) {
skslc_dir += "$host_toolchain/"
}
outputs = [ "$skslc_dir/{{source_file_part}}" ]
}
}
if (skia_compile_modules) {
# Generate the sksl-minify binary.
skia_executable("sksl-minify") {
defines = [
"SKSL_STANDALONE",
"SK_DISABLE_TRACING",
]
sources = skslc_deps
sources += [
"tools/sksl-minify/SkSLMinify.cpp",
"tools/skslc/ProcessWorklist.cpp",
"tools/skslc/ProcessWorklist.h",
]
libs = []
if (is_win) {
sources += [ "tools/SkGetExecutablePath_win.cpp" ]
} else if (is_mac || is_ios) {
sources += [ "tools/SkGetExecutablePath_mac.cpp" ]
} else if (is_linux || is_android) {
sources += [ "tools/SkGetExecutablePath_linux.cpp" ]
}
if (is_win) {
sources += [ "src/ports/SkOSFile_win.cpp" ]
} else {
sources += [ "src/ports/SkOSFile_posix.cpp" ]
libs += [ "dl" ]
}
sources += skia_sksl_sources
sources += skia_sksl_gpu_sources
include_dirs = [ "." ]
deps = [ ":run_sksllex" ]
}
sksl_minify_path = "$root_out_dir/"
if (host_toolchain != default_toolchain_name) {
sksl_minify_path += "$host_toolchain/"
}
sksl_minify_path += "sksl-minify"
if (host_os == "win") {
sksl_minify_path += ".exe"
}
# Use minify_sksl.py to precompile all of the modules.
minify_sksl_sources = get_target_outputs(":sksl_modules")
minify_sksl_outputs = []
foreach(src, minify_sksl_sources) {
name = get_path_info(src, "name")
# GN insists its outputs should go somewhere underneath target_out_dir, so we trick it with a
# path that starts with target_out_dir and then uses ".." to back up into the src dir.
minify_sksl_outputs += [ "$target_out_dir/" + rebase_path(
"src/sksl/generated/$name.minified.sksl",
target_out_dir) ]
minify_sksl_outputs += [ "$target_out_dir/" + rebase_path(
"src/sksl/generated/$name.unoptimized.sksl",
target_out_dir) ]
}
action("minify_sksl") {
script = "gn/minify_sksl.py"
deps = [
":sksl-minify(//gn/toolchain:$host_toolchain)",
":sksl_modules",
]
sources = minify_sksl_sources
outputs = minify_sksl_outputs
args = [
rebase_path(sksl_minify_path),
rebase_path("src/sksl/generated"),
]
args += rebase_path(minify_sksl_sources)
}
if (skia_compile_sksl_tests) {
# Minify our existing .rts files into golden minified outputs.
import("gn/sksl_tests.gni")
action("minify_sksl_tests") {
script = "gn/minify_sksl_tests.py"
deps = [
":sksl-minify(//gn/toolchain:$host_toolchain)",
":sksl_modules",
]
sources = []
outputs = []
response_file_contents = []
args = [
# Comments are the variable name in minify_sksl_tests.py
rebase_path(sksl_minify_path), # sksl_minify
rebase_path("src/sksl/sksl_shared.sksl"), # shared_module
rebase_path("src/sksl/sksl_public.sksl"), # public_module
rebase_path("resources"), # input_root_dir
rebase_path("tests"), # output_root_dir
"{{response_file_name}}", # input_file
]
testsDir = get_path_info("tests/sksl/", "abspath")
resourcesDir = get_path_info("resources/sksl/", "abspath")
foreach(partialPath, sksl_minify_tests_sources) {
dst = testsDir + partialPath
src = resourcesDir + partialPath
dir = get_path_info(dst, "dir")
name = get_path_info(dst, "name")
ext = get_path_info(dst, "extension")
if (ext == "rts" || ext == "rtcf" || ext == "rtb" || ext == "mfrag" ||
ext == "mvert") {
response_file_contents += [ rebase_path(src) ]
sources += [ src ]
outputs += [ target_out_dir + "/" +
rebase_path(dir + "/" + name + ".minified.sksl",
target_out_dir) ]
}
}
}
}
} else {
group("minify_sksl") {
}
group("minify_sksl_tests") {
}
}
# `Compile SkSL Tests` relies on skslc and the precompiled modules.
if (skia_compile_sksl_tests) {
# Build skslc.
skia_executable("skslc") {
defines = [
"SKSL_ENABLE_TRACING",
"SKSL_STANDALONE",
"SK_DISABLE_TRACING",
"SK_ENABLE_SPIRV_CROSS",
"SK_ENABLE_SPIRV_VALIDATION",
"SK_ENABLE_WGSL_VALIDATION",
]
sources = skslc_deps
sources += [
"tools/skslc/Main.cpp",
"tools/skslc/ProcessWorklist.cpp",
"tools/skslc/ProcessWorklist.h",
]
libs = []
if (is_win) {
sources += [ "tools/SkGetExecutablePath_win.cpp" ]
} else if (is_mac || is_ios) {
sources += [ "tools/SkGetExecutablePath_mac.cpp" ]
} else if (is_linux || is_android) {
sources += [ "tools/SkGetExecutablePath_linux.cpp" ]
}
if (is_win) {
sources += [ "src/ports/SkOSFile_win.cpp" ]
} else {
sources += [ "src/ports/SkOSFile_posix.cpp" ]
libs += [ "dl" ]
}
sources += skia_sksl_sources
sources += skia_sksl_gpu_sources
sources += skia_sksl_tracing_sources
include_dirs = [ "." ]
deps = [
":run_sksllex",
"//third_party/externals/dawn/src/tint/api:api",
"//third_party/externals/spirv-tools:spvtools",
"//third_party/externals/spirv-tools:spvtools_val",
"//third_party/spirv-cross:spirv_cross",
]
}
skslc_path = "$root_out_dir/"
if (host_toolchain != default_toolchain_name) {
skslc_path += "$host_toolchain/"
}
skslc_path += "skslc"
if (host_os == "win") {
skslc_path += ".exe"
}
# Build the test files using skslc.
import("gn/sksl_tests.gni")
template("compile_sksl") {
# Compile the passed-in `sources` into `outputs` using skslc, with the given language/settings.
action("compile_sksl_${target_name}") {
script = "gn/compile_sksl_tests.py"
deps = [
":sksl_modules",
":skslc(//gn/toolchain:$host_toolchain)",
]
sources = []
outputs = []
response_file_contents = []
args = [
# Comments are the variable name in compile_sksl_tests.py
rebase_path(skslc_path), # skslc
invoker.lang, # lang
invoker.settings, # settings
rebase_path("resources"), # input_root_dir
rebase_path("tests"), # output_root_dir
"{{response_file_name}}", # input_file
]
testsDir = get_path_info("tests/sksl/", "abspath")
resourcesDir = get_path_info("resources/sksl/", "abspath")
foreach(partialPath, invoker.sources) {
dst = testsDir + partialPath
src = resourcesDir + partialPath
dir = get_path_info(dst, "dir")
name = get_path_info(dst, "name")
ext = get_path_info(dst, "extension")
response_file_contents += [ rebase_path(src) ]
sources += [ src ]
foreach(outExtension, invoker.outExtensions) {
# SPIR-V uses separate extensions for .vert and .compute shaders.
if (ext == "vert" && outExtension == ".asm.frag") {
outExtension = ".asm.vert"
} else if (ext == "compute" && outExtension == ".asm.frag") {
outExtension = ".asm.comp"
}
outputs +=
[ target_out_dir + "/" +
rebase_path(dir + "/" + name + outExtension, target_out_dir) ]
}
}
}
}
compile_sksl("glsl_tests") {
sources = sksl_glsl_tests_sources + sksl_glsl_settings_tests_sources
outExtensions = [ ".glsl" ]
lang = "--glsl"
settings = "--settings"
}
compile_sksl("glsl_nosettings_tests") {
sources = sksl_glsl_settings_tests_sources
outExtensions = [ "StandaloneSettings.glsl" ]
lang = "--glsl"
settings = "--nosettings"
}
compile_sksl("metal_tests") {
sources = sksl_metal_tests_sources
outExtensions = [ ".metal" ]
lang = "--metal"
settings = "--settings"
}
compile_sksl("hlsl_tests") {
sources = sksl_hlsl_tests_sources
outExtensions = [ ".hlsl" ]
lang = "--hlsl"
settings = "--settings"
}
compile_sksl("skrp_tests") {
sources = sksl_skrp_tests_sources
outExtensions = [ ".skrp" ]
lang = "--skrp"
settings = "--settings"
}
compile_sksl("stage_tests") {
sources = sksl_stage_tests_sources
outExtensions = [ ".stage" ]
lang = "--stage"
settings = "--settings"
}
compile_sksl("spirv_tests") {
sources = sksl_spirv_tests_sources
outExtensions = [ ".asm.frag" ]
lang = "--spirv"
settings = "--settings"
}
compile_sksl("wgsl_tests") {
sources = sksl_wgsl_tests_sources
outExtensions = [ ".wgsl" ]
lang = "--wgsl"
settings = "--settings"
}
} else {
group("compile_sksl_glsl_tests") {
}
group("compile_sksl_glsl_nosettings_tests") {
}
group("compile_sksl_metal_tests") {
}
group("compile_sksl_hlsl_tests") {
}
group("compile_sksl_skrp_tests") {
}
group("compile_sksl_spirv_tests") {
}
group("compile_sksl_wgsl_tests") {
}
}
optional("gpu_shared") {
enabled = skia_enable_ganesh || skia_enable_graphite
deps = []
libs = []
public_defines = []
public_deps = []
frameworks = []
sources = skia_shared_gpu_sources + skia_sksl_gpu_sources
if (skia_use_dawn) {
public_defines += [ "SK_DAWN" ]
# When building for WASM, the WebGPU headers are provided by Emscripten. For native builds we
# have to depend on Dawn directly.
if (!skia_use_webgpu) {
public_deps += [
"//third_party/externals/dawn/include/dawn:cpp_headers",
"//third_party/externals/dawn/src/dawn:cpp",
"//third_party/externals/dawn/src/dawn:proc",
]
if (dawn_enable_d3d12 || dawn_enable_d3d11 || dawn_enable_desktop_gl ||
dawn_enable_metal || dawn_enable_opengles || dawn_enable_vulkan) {
public_deps += [ "//third_party/externals/dawn/src/dawn/native" ]
}
if (dawn_enable_d3d12) {
libs += [
"d3d12.lib",
"dxgi.lib",
"d3dcompiler.lib",
]
} else if (dawn_enable_metal) {
frameworks += [ "Metal.framework" ]
}
}
}
if (skia_use_direct3d) {
# Must be defined when 'skia_sksl_gpu_sources' is built, even if the rest of skia_use_direct3d
# is handled only in the 'gpu' component.
public_defines += [ "SK_ENABLE_SPIRV_CROSS" ]
deps += [ "//third_party/spirv-cross:spirv_cross" ]
}
if (skia_use_vulkan) {
public_defines += [ "SK_VULKAN" ]
sources += skia_shared_vk_sources
if (skia_enable_vulkan_debug_layers) {
public_defines += [ "SK_ENABLE_VK_LAYERS" ]
}
if (skia_use_vma) {
public_deps += [ "src/gpu/vk/vulkanmemoryallocator" ]
}
}
if (skia_use_metal) {
public_defines += [ "SK_METAL" ]
sources += skia_shared_mtl_sources
}
if (is_android) {
sources += skia_shared_android_sources
}
}
optional("gpu") {
enabled = skia_enable_ganesh
deps = [
":compile_sksl_glsl_nosettings_tests",
":compile_sksl_glsl_tests",
":compile_sksl_metal_tests",
":compile_sksl_skrp_tests",
":compile_sksl_spirv_tests",
":gpu_shared",
":minify_sksl",
":run_sksllex",
]
if (skia_generate_workarounds) {
deps += [ ":workaround_list" ]
}
public_defines = []
public_configs = []