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skia2/third_party/libpng/BUILD.gn

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GN: fixes for Mac - Make fiddle build on Mac (skipping GL). - Now that we're building in SkCodec, we depend on libpng and libjpeg-turbo unconditionally, not just on Linux. - Re-arrange third_party a bit so that our targets are Fuchsia/Chrome compatible. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2184133002 NOTREECHECKS=true This doesn't affect Chrome/Blink, so landing through the closed tree. Review-Url: https://codereview.chromium.org/2184133002
2016-07-27 18:17:18 +00:00
# Copyright 2016 Google Inc.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
declare_args() {
Strengthen is_official_build, update docs. This makes is_official_build turn off all development targets and features in Skia, including building third-party dependencies from source. This will intentionally break some external users, who will find themselves no longer able to find third-party headers or link against third-party libraries. These users have been building with our testing third-party dependencies unknowingly. They'll need to either explicitly turn back on building each dependency from source (skia_use_system_foo=false) or disable that dependency entirely (skia_use_foo=false). is_skia_standalone is now basically !is_official_build, so I've propagated that through, removing is_skia_standalone. In a few places we were using it as a stand-in for defined(ndk), so I've just written defined(ndk) there. Duh. gn_to_bp: is_offical_build's new strength also makes gn_to_bp.py simpler to write. In spirit, Android builds are official Skia builds that also build DM and nanobench. It seems that SkJumper (src/jumper/*) is (unintentionally) enabled on Android. Switching to an is_official_build would have disabled that. But as that accidental launch seems to have gone fine, I've kept it explicitly enabled. In the end, no changes to Android.bp or its SkUserConfig.h. The -Mini builder no longer needs to explicitly disable tools. CQ_INCLUDE_TRYBOTS=skia.primary:Build-Ubuntu-Clang-x86_64-Release-Mini Change-Id: Id06e53268a5caf55c6046ada354a0863c3031c73 Reviewed-on: https://skia-review.googlesource.com/9190 Reviewed-by: Leon Scroggins <scroggo@google.com> Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Mike Klein <mtklein@chromium.org>
2017-03-03 14:21:30 +00:00
skia_use_system_libpng = is_official_build
GN: fixes for Mac - Make fiddle build on Mac (skipping GL). - Now that we're building in SkCodec, we depend on libpng and libjpeg-turbo unconditionally, not just on Linux. - Re-arrange third_party a bit so that our targets are Fuchsia/Chrome compatible. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2184133002 NOTREECHECKS=true This doesn't affect Chrome/Blink, so landing through the closed tree. Review-Url: https://codereview.chromium.org/2184133002
2016-07-27 18:17:18 +00:00
}
import("../third_party.gni")
Allow most third_party targets to use system libraries if asked. This extends the pattern in freetype2 to expat, icu, libjpeg-turbo, libpng, libwebp, and zlib, and gives all these an arg to control which to use. Homebrew doesn't have dng_sdk, piex, or sftnly, or I'd have done the same for them too. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4260 DOCS_PREVIEW= https://skia.org/?cl=4260 Change-Id: I82e780502bf2217336e791787f172a6fc8f55460 Reviewed-on: https://skia-review.googlesource.com/4260 Commit-Queue: Mike Klein <mtklein@chromium.org> Reviewed-by: Hal Canary <halcanary@google.com>
2016-11-01 15:46:10 +00:00
if (skia_use_system_libpng) {
system("libpng") {
libs = [ "png" ]
}
} else {
third_party("libpng") {
libpng: update to 1.6.32, pull using DEPS I'd have done this as two steps, but we didn't have a pure copy of libpng to start with. The patches we did have, though, have been upstreamed and are now unneeded. Change-Id: I884b9bc47afe5000f5a521f66a3bb95c0411b39a Reviewed-on: https://skia-review.googlesource.com/48620 Reviewed-by: Leon Scroggins <scroggo@google.com> Commit-Queue: Mike Klein <mtklein@chromium.org>
2017-09-19 17:30:58 +00:00
public_include_dirs = [
".",
"../externals/libpng",
]
GN: Android Once you have downloaded an android NDK, you can set the ndk GN arg to use it. E.g. my gn.args looks like: is_debug = false ndk = "/opt/android-ndk" This should be enough to get you going for an arm64 build. You ought to be able to tweak that to other architectures by changing target_cpu to "arm", "x86", "x86-64", etc. That won't quite work until I follow this up a bit, but the skeleton is there. This is enough to get me compiled, linked, and running to completion on my N5x. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2275983004 Review-Url: https://codereview.chromium.org/2275983004
2016-08-25 21:50:44 +00:00
Support pngs with incorrect CMF bytes Bug: chromium:807324 Though these pngs are technically incorrect, many such PNGs exist, and they are supported in Chromium. Ensure that users of SkCodec (e.g. Android, Flutter) display them as well. Change-Id: I2f1e573b4b7039cea81f96397cc0aa4cbc9461c3 Reviewed-on: https://skia-review.googlesource.com/111082 Commit-Queue: Leon Scroggins <scroggo@google.com> Reviewed-by: Derek Sollenberger <djsollen@google.com>
2018-02-28 21:24:18 +00:00
defines = [ "PNG_SET_OPTION_SUPPORTED" ]
Allow most third_party targets to use system libraries if asked. This extends the pattern in freetype2 to expat, icu, libjpeg-turbo, libpng, libwebp, and zlib, and gives all these an arg to control which to use. Homebrew doesn't have dng_sdk, piex, or sftnly, or I'd have done the same for them too. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4260 DOCS_PREVIEW= https://skia.org/?cl=4260 Change-Id: I82e780502bf2217336e791787f172a6fc8f55460 Reviewed-on: https://skia-review.googlesource.com/4260 Commit-Queue: Mike Klein <mtklein@chromium.org> Reviewed-by: Hal Canary <halcanary@google.com>
2016-11-01 15:46:10 +00:00
deps = [
"//third_party/zlib",
GN: Android Once you have downloaded an android NDK, you can set the ndk GN arg to use it. E.g. my gn.args looks like: is_debug = false ndk = "/opt/android-ndk" This should be enough to get you going for an arm64 build. You ought to be able to tweak that to other architectures by changing target_cpu to "arm", "x86", "x86-64", etc. That won't quite work until I follow this up a bit, but the skeleton is there. This is enough to get me compiled, linked, and running to completion on my N5x. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2275983004 Review-Url: https://codereview.chromium.org/2275983004
2016-08-25 21:50:44 +00:00
]
Allow most third_party targets to use system libraries if asked. This extends the pattern in freetype2 to expat, icu, libjpeg-turbo, libpng, libwebp, and zlib, and gives all these an arg to control which to use. Homebrew doesn't have dng_sdk, piex, or sftnly, or I'd have done the same for them too. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4260 DOCS_PREVIEW= https://skia.org/?cl=4260 Change-Id: I82e780502bf2217336e791787f172a6fc8f55460 Reviewed-on: https://skia-review.googlesource.com/4260 Commit-Queue: Mike Klein <mtklein@chromium.org> Reviewed-by: Hal Canary <halcanary@google.com>
2016-11-01 15:46:10 +00:00
sources = [
libpng: update to 1.6.32, pull using DEPS I'd have done this as two steps, but we didn't have a pure copy of libpng to start with. The patches we did have, though, have been upstreamed and are now unneeded. Change-Id: I884b9bc47afe5000f5a521f66a3bb95c0411b39a Reviewed-on: https://skia-review.googlesource.com/48620 Reviewed-by: Leon Scroggins <scroggo@google.com> Commit-Queue: Mike Klein <mtklein@chromium.org>
2017-09-19 17:30:58 +00:00
"../externals/libpng/png.c",
"../externals/libpng/pngerror.c",
"../externals/libpng/pngget.c",
"../externals/libpng/pngmem.c",
"../externals/libpng/pngpread.c",
"../externals/libpng/pngread.c",
"../externals/libpng/pngrio.c",
"../externals/libpng/pngrtran.c",
"../externals/libpng/pngrutil.c",
"../externals/libpng/pngset.c",
"../externals/libpng/pngtrans.c",
"../externals/libpng/pngwio.c",
"../externals/libpng/pngwrite.c",
"../externals/libpng/pngwtran.c",
"../externals/libpng/pngwutil.c",
Allow most third_party targets to use system libraries if asked. This extends the pattern in freetype2 to expat, icu, libjpeg-turbo, libpng, libwebp, and zlib, and gives all these an arg to control which to use. Homebrew doesn't have dng_sdk, piex, or sftnly, or I'd have done the same for them too. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4260 DOCS_PREVIEW= https://skia.org/?cl=4260 Change-Id: I82e780502bf2217336e791787f172a6fc8f55460 Reviewed-on: https://skia-review.googlesource.com/4260 Commit-Queue: Mike Klein <mtklein@chromium.org> Reviewed-by: Hal Canary <halcanary@google.com>
2016-11-01 15:46:10 +00:00
]
if (current_cpu == "arm" || current_cpu == "arm64") {
sources += [
libpng: update to 1.6.32, pull using DEPS I'd have done this as two steps, but we didn't have a pure copy of libpng to start with. The patches we did have, though, have been upstreamed and are now unneeded. Change-Id: I884b9bc47afe5000f5a521f66a3bb95c0411b39a Reviewed-on: https://skia-review.googlesource.com/48620 Reviewed-by: Leon Scroggins <scroggo@google.com> Commit-Queue: Mike Klein <mtklein@chromium.org>
2017-09-19 17:30:58 +00:00
"../externals/libpng/arm/arm_init.c",
"../externals/libpng/arm/filter_neon_intrinsics.c",
Allow most third_party targets to use system libraries if asked. This extends the pattern in freetype2 to expat, icu, libjpeg-turbo, libpng, libwebp, and zlib, and gives all these an arg to control which to use. Homebrew doesn't have dng_sdk, piex, or sftnly, or I'd have done the same for them too. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4260 DOCS_PREVIEW= https://skia.org/?cl=4260 Change-Id: I82e780502bf2217336e791787f172a6fc8f55460 Reviewed-on: https://skia-review.googlesource.com/4260 Commit-Queue: Mike Klein <mtklein@chromium.org> Reviewed-by: Hal Canary <halcanary@google.com>
2016-11-01 15:46:10 +00:00
]
}
GN: turn on libpng SSE2 filters I was profiling and remembered GN hasn't turned on much CPU-specific code. I looked at zlib, then libpng, then libjpeg-turbo: - zlib was easy but not useful. No routine we use in decoding changes significantly. - libpng was easy and useful, and we were already using NEON filters on ARM. - libjpeg-turbo requires yasm and is annoying. BUG=skia:5875 GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4531 Change-Id: Ie072a457da41ee6538eebacb5eb5dbe5a6eb585e Reviewed-on: https://skia-review.googlesource.com/4531 Commit-Queue: Mike Klein <mtklein@chromium.org> Reviewed-by: Matt Sarett <msarett@google.com>
2016-11-07 21:56:53 +00:00
if (current_cpu == "x86" || current_cpu == "x64") {
defines += [ "PNG_INTEL_SSE" ]
sources += [
libpng: update to 1.6.32, pull using DEPS I'd have done this as two steps, but we didn't have a pure copy of libpng to start with. The patches we did have, though, have been upstreamed and are now unneeded. Change-Id: I884b9bc47afe5000f5a521f66a3bb95c0411b39a Reviewed-on: https://skia-review.googlesource.com/48620 Reviewed-by: Leon Scroggins <scroggo@google.com> Commit-Queue: Mike Klein <mtklein@chromium.org>
2017-09-19 17:30:58 +00:00
"../externals/libpng/intel/filter_sse2_intrinsics.c",
"../externals/libpng/intel/intel_init.c",
GN: turn on libpng SSE2 filters I was profiling and remembered GN hasn't turned on much CPU-specific code. I looked at zlib, then libpng, then libjpeg-turbo: - zlib was easy but not useful. No routine we use in decoding changes significantly. - libpng was easy and useful, and we were already using NEON filters on ARM. - libjpeg-turbo requires yasm and is annoying. BUG=skia:5875 GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4531 Change-Id: Ie072a457da41ee6538eebacb5eb5dbe5a6eb585e Reviewed-on: https://skia-review.googlesource.com/4531 Commit-Queue: Mike Klein <mtklein@chromium.org> Reviewed-by: Matt Sarett <msarett@google.com>
2016-11-07 21:56:53 +00:00
]
}
GN: Android Once you have downloaded an android NDK, you can set the ndk GN arg to use it. E.g. my gn.args looks like: is_debug = false ndk = "/opt/android-ndk" This should be enough to get you going for an arm64 build. You ought to be able to tweak that to other architectures by changing target_cpu to "arm", "x86", "x86-64", etc. That won't quite work until I follow this up a bit, but the skeleton is there. This is enough to get me compiled, linked, and running to completion on my N5x. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2275983004 Review-Url: https://codereview.chromium.org/2275983004
2016-08-25 21:50:44 +00:00
}
GN: fixes for Mac - Make fiddle build on Mac (skipping GL). - Now that we're building in SkCodec, we depend on libpng and libjpeg-turbo unconditionally, not just on Linux. - Re-arrange third_party a bit so that our targets are Fuchsia/Chrome compatible. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2184133002 NOTREECHECKS=true This doesn't affect Chrome/Blink, so landing through the closed tree. Review-Url: https://codereview.chromium.org/2184133002
2016-07-27 18:17:18 +00:00
}
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