Commit Graph

314 Commits

Author SHA1 Message Date
Fabian Kosmale
1316af2f3e Fix QMetaType benchmark
The benchmark used to crash because QMetaType::typeName would return an
empty string, which is not a legal value for newRow.

Change-Id: I9e6c6c1cf153943bfa21181cd2cca596a7943ea0
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
2021-02-04 13:29:46 +01:00
Allan Sandfeld Jensen
bde773ec6a Fix a few compiler warnings in tests
Change-Id: I22f6ac8ed02dd4ef4083ce3c781552623a0b08da
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
2021-02-02 12:06:05 +01:00
Joerg Bornemann
7d1cda9de3 Remove qmake project files for benchmarks
Also remove tests/tests.pro that would be empty without the benchmarks.

Change-Id: Iaf92a729d1286b3e0c03bf9f877b59e1d83708e6
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
2021-02-01 21:14:01 +01:00
Maximilian Goldstein
bd520ccc3c Import qproperty benchmarks from private repo
Change-Id: Icff5685b921f8a99acfeda1d79bb03ee652aa107
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
2021-01-29 11:55:42 +01:00
Fabian Kosmale
6d3a886f09 QVariant benchmark: fix crashes
- Skip unused metatype id
- Do not construct a QVariant from an int, when we instead want to
  construct a QVariant for a given metatype (was: metatype id in Qt 5)

Pick-to: 6.0
Change-Id: I1ac19dec5549b424a9429f69999eaf8e96c022e2
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
2021-01-27 15:00:56 +01:00
Ivan Solovev
fb51b4732c Add simple benchmark for QRegularExpression
The benchmark simply calls QRegularExpression's public API methods, so
that we can assess how changes to the implication impact performance.
(Its addition is prompted by evaluation of whether adding a move
constructor saves more or less than the resulting need for
d-pointer null-checks costs.)

Task-number: QTBUG-86634
Change-Id: Idef775ef6cf9f9ded3ce7ba5b85e460571d12756
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
2021-01-20 16:31:07 +01:00
Joerg Bornemann
04f11f9935 Remove .prev_CMakeLists.txt files
Those serve no purpose anymore, now that the .pro files are gone.

Task-number: QTBUG-88742
Change-Id: I39943327b8c9871785b58e9973e4e7602371793e
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Kai Koehne <kai.koehne@qt.io>
2021-01-12 20:59:13 +01:00
David Skoland
27d96b4789 Replace QtTest headers with QTest
Complete search and replace of QtTest and QtTest/QtTest with QTest, as
QtTest includes the whole module. Replace all such instances with
correct header includes. See Jira task for more discussion.

Fixes: QTBUG-88831
Change-Id: I981cfae18a1cabcabcabee376016b086d9d01f44
Pick-to: 6.0
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
2020-12-22 15:20:30 +01:00
Alexandru Croitor
2304acab5f CMake: Regenerate projects using pro2cmake one last time
And fix up some wrong qmake project files

Pick-to: 6.0
Change-Id: I66cb82aeb9c1419a74df1a650fa78a511ade7443
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
2020-12-10 11:52:30 +01:00
Andreas Buhr
0440614af0 Replace discouraged Q_MOVABLE_TYPE by Q_RELOCATABLE_TYPE
Q_MOVABLE_TYPE was conceived before C++ had move semantics. Now, with
move semantics, its name is misleading. Q_RELOCATABLE_TYPE was
introduced as a synonym to Q_MOVABLE_TYPE. Usage of Q_MOVABLE_TYPE
is discouraged now. This patch replaces all usages of Q_MOVABLE_TYPE
by Q_RELOCATABLE_TYPE in QtBase. As the two are synonymous, this
patch should have no impact on users.

Pick-to: 6.0
Change-Id: Ie653984363198c1aeb1f70f8e0fa189aae38eb5c
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
2020-11-30 17:16:21 +01:00
Andreas Buhr
5e84023344 Fix warnings about unused variables in benchmarks
This patch removes two unused variables and marks one unused, fixing
three warnings.

Change-Id: I71f59839452590b82ffb5459a968f06bd434fb9a
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
2020-11-30 17:16:21 +01:00
Allan Sandfeld Jensen
f61f8bb966 Replace qt_make_unique with std::make_unique
We can depend on C++14 now.

Change-Id: Iee9796cd22dbfbb70d4bdb25f0eee1662a026d6d
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
2020-11-23 09:50:21 +01:00
Alex Trotsenko
aefd414ce2 QWinEventNotifier: unlink from event dispatcher
Instead of multiplexing all notifications into a single Qt event for
the event dispatcher, we can send 'WinEventAct' event directly for each
notifier which activated. This trick improves the performance (esp.
on a large number of events) and allows us to remove notifiers handling
from the event dispatcher completely.

As an alternative to sending Qt events, use of Windows' APC queue in
conjunction with waking up the Qt event loop from within the Windows
thread pool has been considered. However, that would lead to signal
emission asynchronous to the Qt event loop's operation, which is not
acceptable.

Thanks to Oswald Buddenhagen for the proposed idea.

[ChangeLog][QtCore][QAbstractEventDispatcher] The
{un}registerEventNotifier() member functions have been removed.
QWinEventNotifier is no longer needed to be registered in the
event dispatcher.

Change-Id: I140892fb909eaae0eabf2e07ebabcab78c43841c
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
2020-11-10 17:56:51 +02:00
Andrei Golubev
250b69ace4 Fix QArrayDataOps generic and relocatable emplace()
Emplace() implemented with std::rotate is just awful on my system
(Ubuntu 18.04 GCC 7.5.0). Custom code is much faster, so go for
it. Cannot really use insert() code, which is also fast, because
it doesn't forward-reference values but copies them always

Changes in performance (approximately) for emplacing 100k elements
into the middle:
Complex 7600ms -> 1700ms
Movable 7600ms -> 200ms

Task-number: QTBUG-86583
Change-Id: If883c9b8498a89e757f3806aea11f8fd3aa3c709
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
2020-11-09 17:36:31 +01:00
Andrei Golubev
02a5928fa5 Add QList/QVector benchmark tests
Added some simple benchmarks for QList insertion of 1 element

Added same tests for QVector (within the same file) for 5.15

Task-number: QTBUG-87330
Task-number: QTBUG-86583
Pick-to: 5.15
Change-Id: I19a851c79cf5ce0329266883e99ecaf2d6b3df19
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
2020-11-04 11:21:01 +01:00
Edward Welbourne
c8d42961a0 Add constructor benchmarks for QLocale, to test likely sub-tag matching
Change-Id: Ib4c1d0ea031a581020c1f050fa4096d5196cc752
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
2020-10-26 15:56:06 +02:00
Andreas Buhr
2516fc935c Add benchmark for QString::number(int)
Add a almost trivial benchmark for QString::number(int).

Change-Id: Ice67eaf28e8d7b235fd5ec5e0b87b3b9053ae61e
Reviewed-by: Karsten Heimrich <karsten.heimrich@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
2020-10-23 06:55:35 +02:00
Edward Welbourne
5a948dd50b Fix [[nodiscard]] compile errors in QLocale benchmark
QString::toUpper() now insists we use its return, so the benchmark
won't compile unless we do so. Also document the helper macro used by
the tests, to explain why it's even there at all.

Change-Id: I830f121d92867bcd09277ecdeb1c764413b34fa6
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
2020-10-19 17:45:30 +02:00
Lars Knoll
77d812683f Refactor QMutexLocker to be able to handle recursive mutexes
Since we're going to split QMutex and QRecursiveMutex into
separate classes, make sure QMutexLocker is prepared for that.

Change-Id: Id5e9a955d1db7c8ee663dd3811ad6448dad0aeae
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
2020-10-17 12:02:49 +02:00
Allan Sandfeld Jensen
564b59d903 Another round of replacing 0 with nullptr
This time based on grepping to also include documentation, tests and
examples previously missed by the automatic tool.

Change-Id: Ied1703f4bcc470fbc275f759ed5b7c588a5c4e9f
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
2020-10-07 23:02:47 +02:00
Alexandru Croitor
403213240c CMake: Regenerate projects to use new qt_internal_ API
Modify special case locations to use the new API as well.
Clean up some stale .prev files that are not needed anymore.
Clean up some project files that are not used anymore.

Task-number: QTBUG-86815
Change-Id: I9947da921f98686023c6bb053dfcc101851276b5
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
2020-09-23 16:59:06 +02:00
Edward Welbourne
26547c296b Purge qalgorithm.h of deprecated API
A large slice of it has been deprecated since 5.2.

Reflowed a doc paragraph pointed out, in the deprecation commit, as
having been left ragged by its edits.

Note: qSwap() is documented as \deprecated but not marked, where it's
defined, as deprecated.

Change-Id: Iaff10ac0c4c38e5b85f10eca4eedeab861f09959
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
2020-08-28 21:22:32 +02:00
Lars Knoll
acbf9a858b Cleanup QTypeInfo
Remove QTypeInfo::isStatic, as that's not used anymore in Qt 6.
Also remove sizeOf, it's unused, and we have QMetaType for that if
required.
Remove all typeinfo declaractions for trivial types, as the default
template covers them correctly nowadays.

Finally set up a better default for isPointer, and do some smaller
cleanups all over the place.

Change-Id: I6758ed37dfc701feaaf0ff105cc95e32da9f9c33
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
2020-08-26 01:03:22 +02:00
Lars Knoll
524edc7363 Clean up QVariant::Private::Data
Remove all the internal members of the union. Instead replace
it with raw storage (uchar[]) aligned to max_align_t.

Place all accesses to the internal members with get<> methods
for consistency.

Change-Id: Icebf46b90c9375aa6ea0b5913b2132608e8c223d
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@qt.io>
2020-08-24 00:17:05 +02:00
Karsten Heimrich
2766322de3 Move QStringRef and remains to Qt5Compat
Export some private functions from QUtf8 to resolve
undefined symbols in Qt5Compat after moving QStringRef.

Task-number: QTBUG-84437
Change-Id: I9046dcb14ed520d8868a511d79da6e721e26f72b
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
2020-08-20 00:58:13 +02:00
Lars Knoll
8929c0a355 Remove QVariant(int type, void *data, ...) constructor
It was marked internal anyway. Use the constructor taking a
QMetaType instead.

Change-Id: I15b9cd0911aac063a0f0fe0352fa2c84b7f7c691
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
2020-08-15 10:56:29 +02:00
Allan Sandfeld Jensen
6f0df02d00 Replace Qt CONSTEXPR defines with constexpr
Both normal and relaxed constexpr are required by our new minimum of
C++17.

Change-Id: Ic028b88a2e7a6cb7d5925f3133b9d54859a81744
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
2020-08-14 15:52:58 +02:00
Alexandru Croitor
92ee9bd6b8 CMake: Properly handle CONFIG += thread aka Threads::Threads
mkspecs/features/qt.prf adds a dependency on the system threading
library if the Qt Core thread feature is enabled. Because qt.prf is
loaded by any public or internal Qt project, it's essentially a public
dependency for any Qt consumer.

To mimic that in CMake, we check if the thread feature is enabled, and
and set the Threads::Threads library as a dependency of Qt6::Platform,
which is a public target used by all Qt modules and plugins and Qt
consumers.

We also need to create a Qt6Dependencies.cmake file so we
find_package(Threads) every time find_package(Qt6) is called.

For the .prl files to be usable, we have to filter out some
CMake implementation specific directory separator tokens
'CMAKE_DIRECTORY_ID_SEP' aka '::@', which are added because we call
target_link_libraries() with a target created in a different scope
(I think).

As a result of this change, we shouldn't have to hardcode
Threads::Threads in other projects, because it's now a global public
dependency.

Task-number: QTBUG-85801
Task-number: QTBUG-85877
Change-Id: Ib5d662c43b28e63f7da49d3bd77d0ad751220b31
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
2020-08-06 19:15:39 +02:00
Edward Welbourne
a6b3a1e459 Remove deprecated binary json feature
Deprecated in 5.15 in favor of CBOR.

Fixes: QTBUG-81239
Change-Id: I711d4bd7dd1247f58e77ac9fa53304cbe5028918
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
2020-07-31 17:12:48 +02:00
Sona Kurazyan
361dc074f2 Move QRegExp and its remaining mentions out of QtCore
Task-number: QTBUG-85235
Change-Id: Ibd6c98d952c1bb9916b64715c6430fb0d3fe3843
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
2020-07-13 10:53:23 +02:00
Alexandru Croitor
1718948ed4 CMake: Regenerate benchmarks
Change-Id: I4154d9ebb8303338a07350b655c7b468751efd10
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
2020-07-08 11:01:38 +02:00
Lars Schmertmann
6ce2f3f26b Add ; to Q_UNUSED
This is required to remove the ; from the macro with Qt 6.

Task-number: QTBUG-82978
Change-Id: I3f0b6717956ca8fa486bed9817b89dfa19f5e0e1
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
2020-07-07 11:51:48 +02:00
Jarek Kobus
d33655a953 Use QList instead of QVector in other qtbase tests
Task-number: QTBUG-84469
Change-Id: Ie0455c890c048c52eacad1badd6d21df999badf9
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
2020-07-07 11:48:45 +02:00
Jarek Kobus
74dc89de3e Use QList instead of QVector in benchmarks tests
Task-number: QTBUG-84469
Change-Id: Id61d6036067da0bcd0811b1b97df5f1334007b7e
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
2020-06-25 10:13:31 +02:00
Sona Kurazyan
d7ccd8cb45 Remove QByteArray's methods taking QString and their uses
[ChangeLog][QtCore][QByteArray] Remove method overloads taking
QString as argument, all of which were equivalent to passing the
toUtf8() of the string instead.

Change-Id: I9251733a9b3711153b2faddbbc907672a7cba190
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
2020-06-25 09:54:16 +02:00
Volker Hilsheimer
75638e258f Don't pollute global namespace with #define P
Breaks the build if any global header has

using P = SomeType;

statement, and unnecessary to do so before the headers are included.

Change-Id: I3b8cc705bf662f768b8895e4b3ec1428ab39ef27
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
2020-06-25 06:19:50 +02:00
Karsten Heimrich
18ec53156e Move QTextCodec support out of QtCore
* Assume UTF-8 on all Unix like systems
* Export some functions to be able to compile QTextCodec once
  moved to Qt5Compat.

Task-number: QTBUG-75665
Change-Id: I52ec47a848bc0ba72e9c7689668b1bcc5d736c29
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
2020-06-20 02:04:38 +02:00
Giuseppe D'Angelo
3e1d03b1ea Port Q_STATIC_ASSERT(_X) to static_assert
There is no reason for keep using our macro now that we have C++17.
The macro itself is left in for the moment being, as well as its
detection logic, because it's needed for C code (not everything
supports C11 yet).  A few more cleanups will arrive in the next few
patches.

Note that this is a mere search/replace; some places were using
double braces to work around the presence of commas in a macro, no
attempt has been done to fix those.

tst_qglobal had just some minor changes to keep testing the macro.

Change-Id: I1c1c397d9f3e63db3338842bf350c9069ea57639
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
2020-06-19 19:38:23 +02:00
Oliver Wolff
45b0f1be68 Remove winrt
Macros and the await helper function from qfunctions_winrt(_p).h are
needed in other Qt modules which use UWP APIs on desktop windows.

Task-number: QTBUG-84434
Change-Id: Ice09c11436ad151c17bdccd2c7defadd08c13925
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
2020-06-06 20:25:49 +02:00
Lars Knoll
b2ee684a13 Remove QRegExp support from QString and StringList
Replacement methods do now exist in QRegExp, or
for QRegularExpression when porting to it.

Remove all autotests associated with the old methods.

Change-Id: I3ff1e0da4b53adb64d5a48a30aecd8b960f5e633
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
2020-05-14 14:19:47 +02:00
Qt Forward Merge Bot
efd7757154 Merge remote-tracking branch 'origin/5.15' into dev
Conflicts:
	src/widgets/widgets/qabstractbutton.cpp
	src/widgets/widgets/qbuttongroup.cpp
	src/widgets/widgets/qbuttongroup.h
	src/widgets/widgets/qsplashscreen.cpp
	tests/auto/widgets/widgets/qbuttongroup/tst_qbuttongroup.cpp
        tests/benchmarks/opengl/main.cpp

  Needed update:
	src/plugins/platforms/cocoa/CMakeLists.txt

Change-Id: I7be4baebb63844ec2b3e0de859ca9de1bc730bb5
2020-04-22 15:28:01 +02:00
Edward Welbourne
7202df3689 Replace QTime with QElapsedTimer in benchmarks
Various benchmarks were still using the deprecated timing API.
One didn't even *use* the timer it implemented this way.
One was just using start as a short-hand for assigning to currentTime().

Change-Id: If406d0fb606e454fec056f386bcd0aa6726ee96e
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
2020-04-20 17:44:13 +02:00
Qt Forward Merge Bot
8823bb8d30 Merge remote-tracking branch 'origin/5.15' into dev
Conflicts:
	examples/opengl/doc/src/cube.qdoc
	src/corelib/global/qlibraryinfo.cpp
	src/corelib/text/qbytearray_p.h
	src/corelib/text/qlocale_data_p.h
	src/corelib/time/qhijricalendar_data_p.h
	src/corelib/time/qjalalicalendar_data_p.h
	src/corelib/time/qromancalendar_data_p.h
	src/network/ssl/qsslcertificate.h
	src/widgets/doc/src/graphicsview.qdoc
	src/widgets/widgets/qcombobox.cpp
	src/widgets/widgets/qcombobox.h
	tests/auto/corelib/tools/qscopeguard/tst_qscopeguard.cpp
	tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
	tests/benchmarks/corelib/io/qdiriterator/qdiriterator.pro
	tests/manual/diaglib/debugproxystyle.cpp
	tests/manual/diaglib/qwidgetdump.cpp
	tests/manual/diaglib/qwindowdump.cpp
	tests/manual/diaglib/textdump.cpp
	util/locale_database/cldr2qlocalexml.py
	util/locale_database/qlocalexml.py
	util/locale_database/qlocalexml2cpp.py

Resolution of util/locale_database/ are based on:
https://codereview.qt-project.org/c/qt/qtbase/+/294250
and src/corelib/{text,time}/*_data_p.h were then regenerated by
running those scripts.

Updated CMakeLists.txt in each of
	tests/auto/corelib/serialization/qcborstreamreader/
	tests/auto/corelib/serialization/qcborvalue/
	tests/auto/gui/kernel/
and generated new ones in each of
	tests/auto/gui/kernel/qaddpostroutine/
	tests/auto/gui/kernel/qhighdpiscaling/
	tests/libfuzzer/corelib/text/qregularexpression/optimize/
	tests/libfuzzer/gui/painting/qcolorspace/fromiccprofile/
	tests/libfuzzer/gui/text/qtextdocument/sethtml/
	tests/libfuzzer/gui/text/qtextdocument/setmarkdown/
	tests/libfuzzer/gui/text/qtextlayout/beginlayout/
by running util/cmake/pro2cmake.py on their changed .pro files.

Changed target name in
	tests/auto/gui/kernel/qaction/qaction.pro
	tests/auto/gui/kernel/qaction/qactiongroup.pro
	tests/auto/gui/kernel/qshortcut/qshortcut.pro
to ensure unique target names for CMake

Changed tst_QComboBox::currentIndex to not test the
currentIndexChanged(QString), as that one does not exist in Qt 6
anymore.

Change-Id: I9a85705484855ae1dc874a81f49d27a50b0dcff7
2020-04-08 20:11:39 +02:00
Qt Forward Merge Bot
86d9e36b06 Merge remote-tracking branch 'origin/5.14' into 5.15
Conflicts:
	tests/benchmarks/corelib/text/qstringlist/qstringlist.pro

Change-Id: Ie9b97bd83c2df00fd9b556b5f09d405f71970169
2020-04-03 09:01:44 +02:00
Edward Welbourne
53ed635dbb Set CONFIG += benchmark in corelib's various benchmarks
This leads to "make benchmark" actually running the benchmark, which
would be nice, I think. Purged various CONFIG += release or -= debug
lines from the same configurations; those surely only configure how
the test code is compiled, which is more or less pointless; it's the
code under test whose debug/release state matters, and I don't suppose
that's affected by the build config of the test code.

In the process, reduce diversity of the ordering of lines within these
*.pro files and purge some dangling space.

Change-Id: Ia9f9f0ca4c096262de928806bdfa6ea3b9e7b9ba
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
2020-04-02 18:33:42 +02:00
Liang Qi
576dc2c701 Merge remote-tracking branch 'origin/5.14' into 5.15
Conflicts:
	src/plugins/platforms/xcb/qxcbdrag.cpp

Change-Id: I0b47324b70b0b4894e54b21aa3e7a5041f9bd5e3
2020-03-24 14:36:02 +01:00
Robin Burchell
2af04860f6 qtimezoneprivate_tz: Apply a cache over the top of timezone data
Constantly re-reading the timezone information only to be told the exact
same thing is wildly expensive, which can hurt in operations that cause
a lot of QTimeZone creation, for example, V4's DateObject - which
creates them a lot (in DaylightSavingTA).

This performance problem was identified when I noticed that a
QDateTime binding updated once per frame was causing >100% CPU usage
(on a desktop!) thanks to a QtQuickControls 1 Calendar (which has a
number of bindings to the date's properties like getMonth() and so
on).

The newly added tst_QTimeZone::systemTimeZone benchmark gets a ~90%
decrease in instruction count:

--- before
+++ after
 PASS   : tst_QTimeZone::systemTimeZone()
 RESULT : tst_QTimeZone::systemTimeZone():
-     0.024 msecs per iteration (total: 51, iterations: 2048)
+     0.0036 msecs per iteration (total: 59, iterations: 16384)

Also impacted (over in QDateTime) is
tst_QDateTime::setMSecsSinceEpochTz(). The results here are - on the
surface - less impressive (~0.17% drop), however, it isn't even
creating QTimeZone on a hot path to begin with, so a large drop would
have been a surprise.

Added several further benchmarks to cover non-system zones and
traverse transitions.

Done-With: Edward Welbourne <edward.welbourne@qt.io>
Task-number: QTBUG-75585
Change-Id: I044a84fc2d3a2dc965f63cd3a3299fc509750bf7
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
2020-03-20 16:58:09 +02:00
Lars Knoll
47b1e883e4 Remove the old harfbuzz library and integration code
It's not used anymore. harfbuzz-ng is a requirement in Qt 6 if you
want any open type shaping.

Fixes: QTBUG-82881
Change-Id: If7100aebdcfa078a999608bb8f07a2ef3a79d282
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
2020-03-17 01:43:29 +01:00
Alexandru Croitor
0d177053b9 Regenerate projects one last time before merge
Change-Id: Ia24cf56b79ca6dacd370a7e397024e9b663e0167
Reviewed-by: Liang Qi <liang.qi@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
2020-02-12 17:30:49 +00:00
Alexandru Croitor
c9e67a7926 CMake: Regenenerate projects where recent changes happened
Change-Id: If86e49d73a45b7cfc494fa48bdc6cb1ba503b112
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
2020-02-11 10:19:45 +01:00