[arch-commits] Commit in qt6-webengine/kde-unstable (3 files)

Evangelos Foutras foutrelis at gemini.archlinux.org
Sat Sep 18 21:01:47 UTC 2021


    Date: Saturday, September 18, 2021 @ 21:01:47
  Author: foutrelis
Revision: 424345

upgpkg: qt6-webengine 6.2.0rc-2: harfbuzz 3.0.0 rebuild

Added:
  qt6-webengine/kde-unstable/chromium-harfbuzz-3.0.0.patch
  qt6-webengine/kde-unstable/skia-harfbuzz-3.0.0.patch
Modified:
  qt6-webengine/kde-unstable/PKGBUILD

-------------------------------+
 PKGBUILD                      |   18 ++++++-
 chromium-harfbuzz-3.0.0.patch |   20 ++++++++
 skia-harfbuzz-3.0.0.patch     |  100 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 135 insertions(+), 3 deletions(-)

Modified: PKGBUILD
===================================================================
--- PKGBUILD	2021-09-18 20:30:53 UTC (rev 424344)
+++ PKGBUILD	2021-09-18 21:01:47 UTC (rev 424345)
@@ -4,7 +4,7 @@
 pkgname=qt6-webengine
 _qtver=6.2.0-rc
 pkgver=${_qtver/-/}
-pkgrel=1
+pkgrel=2
 arch=(x86_64)
 url='https://www.qt.io'
 license=(GPL3 LGPL3 FDL custom)
@@ -15,9 +15,21 @@
 optdepends=('pipewire: WebRTC desktop sharing under Wayland')
 groups=(qt6)
 _pkgfn="${pkgname/6-/}-everywhere-src-$_qtver"
-source=(https://download.qt.io/development_releases/qt/${pkgver%.*}/$_qtver/submodules/$_pkgfn.tar.xz)
-sha256sums=('6763d1142601e4c7783ab6c5f3f19946216749c9e59ebdefd85ae29b13998ec8')
+source=(https://download.qt.io/development_releases/qt/${pkgver%.*}/$_qtver/submodules/$_pkgfn.tar.xz
+        chromium-harfbuzz-3.0.0.patch
+        skia-harfbuzz-3.0.0.patch)
+sha256sums=('6763d1142601e4c7783ab6c5f3f19946216749c9e59ebdefd85ae29b13998ec8'
+            '7ce947944a139e66774dfc7249bf7c3069f07f83a0f1b2c1a1b14287a7e15928'
+            'c9ed1dbadaf4be6097e25bc5577b91751799befc2d0376b143e1bd10def5754e')
 
+prepare() {
+  cd $_pkgfn
+
+  # Fix build with harfbuzz 3.0.0
+  patch -p1 -d src/3rdparty/chromium -i "$srcdir"/chromium-harfbuzz-3.0.0.patch
+  patch -p1 -d src/3rdparty/chromium/third_party/skia -i "$srcdir"/skia-harfbuzz-3.0.0.patch
+}
+
 build() {
   cmake -B build -S $_pkgfn -G Ninja \
     -DCMAKE_TOOLCHAIN_FILE=/usr/lib/cmake/Qt6/qt.toolchain.cmake \

Added: chromium-harfbuzz-3.0.0.patch
===================================================================
--- chromium-harfbuzz-3.0.0.patch	                        (rev 0)
+++ chromium-harfbuzz-3.0.0.patch	2021-09-18 21:01:47 UTC (rev 424345)
@@ -0,0 +1,20 @@
+# https://github.com/chromium/chromium/commit/b289f6f3fcbc
+
+diff --git a/components/paint_preview/common/subset_font.cc b/components/paint_preview/common/subset_font.cc
+index 8ff0540d9a..20a7d37474 100644
+--- a/components/paint_preview/common/subset_font.cc
++++ b/components/paint_preview/common/subset_font.cc
+@@ -72,9 +72,11 @@ sk_sp<SkData> SubsetFont(SkTypeface* typeface, const GlyphUsage& usage) {
+   hb_set_t* glyphs =
+       hb_subset_input_glyph_set(input.get());  // Owned by |input|.
+   usage.ForEach(base::BindRepeating(&AddGlyphs, base::Unretained(glyphs)));
+-  hb_subset_input_set_retain_gids(input.get(), true);
++  hb_subset_input_set_flags(input.get(), HB_SUBSET_FLAGS_RETAIN_GIDS);
+ 
+-  HbScoped<hb_face_t> subset_face(hb_subset(face.get(), input.get()));
++  HbScoped<hb_face_t> subset_face(hb_subset_or_fail(face.get(), input.get()));
++  if (!subset_face)
++    return nullptr;
+   HbScoped<hb_blob_t> subset_blob(hb_face_reference_blob(subset_face.get()));
+   if (!subset_blob)
+     return nullptr;

Added: skia-harfbuzz-3.0.0.patch
===================================================================
--- skia-harfbuzz-3.0.0.patch	                        (rev 0)
+++ skia-harfbuzz-3.0.0.patch	2021-09-18 21:01:47 UTC (rev 424345)
@@ -0,0 +1,100 @@
+# Minimal diff for harfbuzz 3.0.0 support; based on:
+# https://github.com/google/skia/commit/66684b17b382
+# https://github.com/google/skia/commit/51d83abcd24a
+
+diff --git a/gn/skia.gni b/gn/skia.gni
+index d98fdc19ee..199335d5c4 100644
+--- a/gn/skia.gni
++++ b/gn/skia.gni
+@@ -34,8 +34,6 @@ declare_args() {
+   skia_include_multiframe_procs = false
+   skia_lex = false
+   skia_libgifcodec_path = "third_party/externals/libgifcodec"
+-  skia_pdf_subset_harfbuzz =
+-      false  # TODO: set skia_pdf_subset_harfbuzz to skia_use_harfbuzz.
+   skia_qt_path = getenv("QT_PATH")
+   skia_skqp_global_error_tolerance = 0
+   skia_tools_require_resources = false
+@@ -99,6 +97,10 @@ declare_args() {
+   skia_use_libfuzzer_defaults = true
+ }
+ 
++declare_args() {
++  skia_pdf_subset_harfbuzz = skia_use_harfbuzz
++}
++
+ declare_args() {
+   skia_compile_sksl_tests = skia_compile_processors
+   skia_enable_fontmgr_android = skia_use_expat && skia_use_freetype
+diff --git a/src/pdf/SkPDFSubsetFont.cpp b/src/pdf/SkPDFSubsetFont.cpp
+index 81c37eef3a..2340a7937b 100644
+--- a/src/pdf/SkPDFSubsetFont.cpp
++++ b/src/pdf/SkPDFSubsetFont.cpp
+@@ -49,6 +49,37 @@ static sk_sp<SkData> to_data(HBBlob blob) {
+                                 blob.release());
+ }
+ 
++template<typename...> using void_t = void;
++template<typename T, typename = void>
++struct SkPDFHarfBuzzSubset {
++    // This is the HarfBuzz 3.0 interface.
++    // hb_subset_flags_t does not exist in 2.0. It isn't dependent on T, so inline the value of
++    // HB_SUBSET_FLAGS_RETAIN_GIDS until 2.0 is no longer supported.
++    static HBFace Make(T input, hb_face_t* face) {
++        // TODO: When possible, check if a font is 'tricky' with FT_IS_TRICKY.
++        // If it isn't known if a font is 'tricky', retain the hints.
++        hb_subset_input_set_flags(input, 2/*HB_SUBSET_FLAGS_RETAIN_GIDS*/);
++        return HBFace(hb_subset_or_fail(face, input));
++    }
++};
++template<typename T>
++struct SkPDFHarfBuzzSubset<T, void_t<
++    decltype(hb_subset_input_set_retain_gids(std::declval<T>(), std::declval<bool>())),
++    decltype(hb_subset_input_set_drop_hints(std::declval<T>(), std::declval<bool>())),
++    decltype(hb_subset(std::declval<hb_face_t*>(), std::declval<T>()))
++    >>
++{
++    // This is the HarfBuzz 2.0 (non-public) interface, used if it exists.
++    // This code should be removed as soon as all users are migrated to the newer API.
++    static HBFace Make(T input, hb_face_t* face) {
++        hb_subset_input_set_retain_gids(input, true);
++        // TODO: When possible, check if a font is 'tricky' with FT_IS_TRICKY.
++        // If it isn't known if a font is 'tricky', retain the hints.
++        hb_subset_input_set_drop_hints(input, false);
++        return HBFace(hb_subset(face, input));
++    }
++};
++
+ static sk_sp<SkData> subset_harfbuzz(sk_sp<SkData> fontData,
+                                      const SkPDFGlyphUse& glyphUsage,
+                                      int ttcIndex) {
+@@ -71,11 +102,10 @@ static sk_sp<SkData> subset_harfbuzz(sk_sp<SkData> fontData,
+     hb_set_t* glyphs = hb_subset_input_glyph_set(input.get());
+     glyphUsage.getSetValues([&glyphs](unsigned gid) { hb_set_add(glyphs, gid);});
+ 
+-    hb_subset_input_set_retain_gids(input.get(), true);
+-    // TODO: When possible, check if a font is 'tricky' with FT_IS_TRICKY.
+-    // If it isn't known if a font is 'tricky', retain the hints.
+-    hb_subset_input_set_drop_hints(input.get(), false);
+-    HBFace subset(hb_subset(face.get(), input.get()));
++    HBFace subset = SkPDFHarfBuzzSubset<hb_subset_input_t*>::Make(input.get(), face.get());
++    if (!subset) {
++        return nullptr;
++    }
+     HBBlob result(hb_face_reference_blob(subset.get()));
+     return to_data(std::move(result));
+ }
+diff --git a/third_party/harfbuzz/BUILD.gn b/third_party/harfbuzz/BUILD.gn
+index 173830de62..4156607ef9 100644
+--- a/third_party/harfbuzz/BUILD.gn
++++ b/third_party/harfbuzz/BUILD.gn
+@@ -14,6 +14,9 @@ if (skia_use_system_harfbuzz) {
+       "harfbuzz",
+       "harfbuzz-icu",
+     ]
++    if (skia_pdf_subset_harfbuzz) {
++      libs += [ "harfbuzz-subset" ]
++    }
+   }
+ } else {
+   third_party("harfbuzz") {



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