8ed49ea6e3
This ports the third_party BUILD.gn files related to codecs (with a best-effort on arm/SIMD stuff). This includes: - libpng - libjpeg-turbo - libwebp - wuffs (gif) - libgifcodec - dng_sdk and piex (raw codec) This expands the string_flag_with_values macro to allow multiple values to be set at once. This was added in Bazel 5.0.0, however the latest pre-release version of that has a bug [1] which slows down compilation dramatically. This was fixed at ToT, but not released. As a result, I started using the Bazel 6 pre-release (via bazelisk). The macro select_multi makes writing select() where multiple elements could be on possible/easier. One can try compiling certain codecs by running: bazel build :skia-core --config clang --include_codec=raw_codec --include_codec=png_codec Suggested Review Order: - bazel/macros.bzl - bazel/common_config_settings/defs.bzl and its BUILD.bazel to see how the codec options are defined. - BUILD.bazel to see how the codec settings are used. - src/codec/BUILD.bazel to see the inclusion of Skia files to deal with specific codecs. - third_party/BUILD.bazel (while referencing the corresponding BUILD.gn files, such as third_party/libwebp/BUILD.gn) - Everything else. Change-Id: I797375a35fa345d9835e7b2a2ab23371c45953c3 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/469456 Reviewed-by: Leandro Lovisolo <lovisolo@google.com> Reviewed-by: Ben Wagner <bungeman@google.com> Reviewed-by: Leon Scroggins <scroggo@google.com>
191 lines
5.0 KiB
Python
191 lines
5.0 KiB
Python
# https://github.com/bazelbuild/bazel-skylib
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load("@bazel_skylib//lib:selects.bzl", "selects")
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load("//bazel:macros.bzl", "select_multi")
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package(default_visibility = ["//:__subpackages__"])
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cc_test(
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name = "bazel_test",
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size = "small",
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srcs = [
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"//experimental/bazel_test:srcs",
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"//include/config:hdrs",
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"//include/core:hdrs",
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"//src/ports:skdebug",
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],
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deps = [
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"//third_party:libpng",
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"//third_party:musl_compat",
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],
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)
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CORE_SRCS = [
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"//include/private:hdrs",
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"//include/third_party:skcms-hdrs",
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"//src/codec:srcs",
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"//src/core:srcs",
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"//src/image:srcs",
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"//src/images:srcs",
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"//src/effects:srcs",
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"//src/opts:srcs",
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"//src/pathops:srcs",
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"//src/sfnt:srcs",
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"//src/shaders:srcs",
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"//src/utils:srcs",
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"//third_party:skcms",
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] + selects.with_or({
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# https://github.com/bazelbuild/bazel-skylib/blob/main/docs/selects_doc.md#selectswith_or
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("//bazel/common_config_settings:gl_backend", "//bazel/common_config_settings:vulkan_backend"): [
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"//src/gpu:srcs",
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"//src/sksl:srcs",
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# TODO(kjlubick) should mock be test only?
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"//include/private:mock-hdrs",
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"//src/gpu:mock-srcs",
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],
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"//conditions:default": [],
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})
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CORE_HDRS = [
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"//include/codec:hdrs",
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"//include/config:hdrs",
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"//include/core:hdrs",
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"//include/effects:hdrs",
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"//include/encode:hdrs",
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"//include/pathops:hdrs",
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"//include/ports:hdrs",
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"//include/utils:base-hdrs",
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] + selects.with_or({
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# https://github.com/bazelbuild/bazel-skylib/blob/main/docs/selects_doc.md#selectswith_or
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("//bazel/common_config_settings:gl_backend", "//bazel/common_config_settings:vulkan_backend"): [
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"//include/sksl:hdrs",
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"//include/gpu:hdrs",
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# TODO(kjlubick) should mock be test only?
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"//include/gpu:mock-hdrs",
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],
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"//conditions:default": [],
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})
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# Some of these are documented in SkUserConfig.h
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CORE_DEFINES = ["SK_HAS_ANDROID_CODEC"] + select({
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"//bazel/common_config_settings:debug_build": [
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"SK_DEBUG",
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],
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"//bazel/common_config_settings:release_build": [
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"SK_RELEASE",
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],
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"//conditions:default": [
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"SK_RELEASE",
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],
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}) + select({
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"//bazel/common_config_settings:gl_backend": [
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"SK_GL",
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"SK_SUPPORT_GPU=1",
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],
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"//bazel/common_config_settings:vulkan_backend": [
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"SK_VULKAN",
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"SK_SUPPORT_GPU=1",
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],
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"//conditions:default": [
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"SK_SUPPORT_GPU=0",
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],
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}) + select({
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"//bazel/common_config_settings:gl_standard": [
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"SK_ASSUME_GL=1",
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],
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"//bazel/common_config_settings:gles_standard": [
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"SK_ASSUME_GL_ES=1",
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],
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"//bazel/common_config_settings:webgl_standard": [
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"SK_ASSUME_WEBGL=1",
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"SK_USE_WEBGL",
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],
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"//conditions:default": [],
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}) + select_multi(
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{
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"//bazel/common_config_settings:gif_codec": ["SK_HAS_WUFFS_LIBRARY"],
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"//bazel/common_config_settings:jpeg_codec": ["SK_CODEC_DECODES_JPEG"],
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"//bazel/common_config_settings:png_codec": ["SK_CODEC_DECODES_PNG"],
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"//bazel/common_config_settings:raw_codec": [
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"SK_CODEC_DECODES_RAW",
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"SK_CODEC_DECODES_JPEG",
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],
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"//bazel/common_config_settings:webp_codec": ["SK_CODEC_DECODES_WEBP"],
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},
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default = [],
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)
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CORE_DEPS = [] + select_multi(
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{
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"//bazel/common_config_settings:gif_codec": ["//third_party:wuffs"],
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"//bazel/common_config_settings:png_codec": ["//third_party:libpng"],
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"//bazel/common_config_settings:raw_codec": [
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"//third_party:piex",
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"//third_party:dng_sdk",
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],
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"//bazel/common_config_settings:webp_codec": ["//third_party:libwebp"],
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},
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default = [],
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) + selects.with_or({
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# The RAW codec require JPEG, but we cannot list libjpeg-turbo twice in the above list, or
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# Bazel gets sad.
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("//bazel/common_config_settings:jpeg_codec", "//bazel/common_config_settings:raw_codec"): ["//third_party:libjpeg-turbo"],
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"//conditions:default": [],
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})
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CORE_COPTS = []
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cc_library(
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name = "skia-core",
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srcs = CORE_SRCS,
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hdrs = CORE_HDRS,
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copts = CORE_COPTS,
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local_defines = CORE_DEFINES,
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textual_hdrs = ["//src/sksl:txts"],
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deps = CORE_DEPS,
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)
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cc_library(
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name = "hash_and_encode",
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testonly = True,
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srcs = [
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"//tools:cmdline",
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"//tools:hash_and_encode",
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],
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deps = [
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":skia-core",
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"//third_party:libpng",
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],
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)
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cc_library(
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name = "gms",
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testonly = True,
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srcs = [
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"//gm:gms",
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"//gm:srcs",
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"//tools:srcs",
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],
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hdrs = [
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"//gm:hdrs",
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],
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textual_hdrs = ["//tools:txts"],
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deps = [":skia-core"],
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)
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cc_library(
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name = "tests",
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testonly = True,
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srcs = [
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"//tests:srcs",
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"//tools:srcs",
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],
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hdrs = [
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"//tests:hdrs",
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],
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local_defines = [
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"GR_TEST_UTILS",
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],
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textual_hdrs = ["//tools:txts"],
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deps = [":skia-core"],
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)
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