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* toolchain.prf: Use vswhere to obtain VS installation pathOliver Wolff2020-10-271-3/+11
| | | | | | | | | | | | Beginning with Visual Studio 2017, vswhere should be used to discover Visual Studio installations. Installations of 2019 and up are not even registered inside the registry anymore, so vswhere is the only way to obtain information about these. Pick-to: 5.15 Task-number: QTVSADDINBUG-819 Change-Id: Ibd8b2c4d38c7925857887f39e750e87a33f08bf9 Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
* Expunge WA_GroupLeaderShawn Rutledge2020-10-276-62/+6
| | | | | | | | | It's been deprecated since Qt 4.1. Task-number: QTBUG-85816 Change-Id: Iafc6340716556f54fc5472c60035bb57461b842f Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io> Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
* QAbstractItemModelTester: don't rely on hasChildren()David Faure2020-10-272-6/+7
| | | | | | | | | | | | | | | | | | | Dynamic models which use fetchMore to asynchronously fill subdirs (like KDirModel) return true in hasChildren() for dirs that are expected to have children (so that the "+" shows in the treeview) but do not actually have children readily available. They will be inserted later on once the async listing job is done (as a result of fetchMore triggering that job). So QAbstractItemModelTester should use rowCount instead, to find out if there are children present. This detected a bug in QConcatenateTablesProxyModel: it returned a non-zero rowCount for its items, while it's flat. Change-Id: Idcdc86159f1fc79ed5297075dfcf30c09896287a Pick-to: 5.15 Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* Make QRect(F) and QMargins comparison operators hidden friendsVolker Hilsheimer2020-10-264-55/+34
| | | | | | | | | | | | Hide them from ADL to reduce noise. QRect operators were already implemented as hidden friends, but a left-over declaration un-hid them again. Use the opportunity to simplify QMargins::operator!= by just inverting operator==. No need to spell things out, the compiler can do that for us. Change-Id: I55722223a2267cbeba5726dc912b48d6e017e580 Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
* cmake: Ensure Mingw builds pick up and use the WinMain entry pointTor Arne Vestbø2020-10-261-21/+70
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The cmake code path didn't export QT_NEEDS_QMAIN as a public define to be inherited by consumers. As a result, the users's main() would be defined as normal (instead of being named qMain). This in turn would lead mingw to pick main() as the entrypoint during link time. We want to go through our WinMain entrypoint (for now), even if MingGW today has mechanisms for calling the user's main() directly, as our WinMain uses GetCommandLineW() and as a result prevents the arguments to main() from being wildcard expanded. and we want to keep parity between qmake and CMake in how this behaves, even if we end up changing it in the future. We follow what qmake does, and expose QT_NEEDS_QMAIN to clients. With the user's main being then named qMain, mingw will look for our WinMain. This in turn leads to the problem of static link ordering, where adding -lmingw32 as a dependency of the static library target results in it ending up _after_ the static library during link time, and the static linker ends up discarding the entry point library. To solve this, we split the entry point module into two targets, one for consumers, and one internal that is the actual static library. By adding the -lmingw32 dependency to the former target, we ensure it's added before the static library during linking. Change-Id: I342c979f56669d5a5a5c237f476556c4e2baf432 Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
* cmake: Allow target to specify initial module internal configTor Arne Vestbø2020-10-261-1/+3
| | | | | Change-Id: I7312fa19aad84b020015b304b1cd2cd5acc83b81 Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
* Make remaining String binary comparisons hidden friendsAllan Sandfeld Jensen2020-10-263-68/+85
| | | | | | | | | Also forced the introduction of explicit comparisons with char16_t* and std::nullptr_t. Change-Id: I8e32c14a1d3aeec234ee070b9fefc6af06db0fda Reviewed-by: Lars Knoll <lars.knoll@qt.io> Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* CMake: Provide a qt-internal-configure-tests scriptAlexandru Croitor2020-10-264-4/+39
| | | | | | | | | | | | | | | | | | This is meant to be called by our CI instructions to build standalone tests of a Qt repository. Currently it just calls qt-cmake with -DQT_BUILD_STANDALONE_TESTS=ON, but it might contain more things in the future. The script also simplifies configuring standalone tests locally, due to not having to remember the name of the magical variable. Change our CI instructions to use the new script. Change-Id: I6bc02b4e94adc9d0d05fecb0fe70a561043271f1 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Cristian Adam <cristian.adam@qt.io>
* Add constructor benchmarks for QLocale, to test likely sub-tag matchingEdward Welbourne2020-10-261-0/+317
| | | | | | Change-Id: Ib4c1d0ea031a581020c1f050fa4096d5196cc752 Reviewed-by: Andrei Golubev <andrei.golubev@qt.io> Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
* Update CLDR to v37, adding Nigerian Pidgin as a new languageEdward Welbourne2020-10-268-4076/+4389
| | | | | | | | | | | | | | | | Routine update by running scripts, ignoring clang-format's extensive grumbles. Added notes to util/locale_database/'s README, on the need for that, and enumdata.py, on when to add entries. As usual, several new locales are also added, for existing languages, territories and scripts. [ChangeLog][QtCore][QLocale] Updated to new version of CLDR (the Unicode Consortium's Common Locale Data Repository) v37. Fixes: QTBUG-84669 Pick-to: 5.15 Change-Id: Ib76848bf4bd1219180faf46820077e8d8049a4e3 Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
* Store std::exception_ptr in QUnhandledExceptionSona Kurazyan2020-10-267-21/+165
| | | | | | | | | | | | | | | | For historical reasons Qt Concurrent reports QUnhandledException in case if an exception that is not derived from QException is thrown from a worker thread. Changing this behavior may not be a good idea, since the existing user code may rely on it. Changed QUnhandledException to wrap the std::exception_ptr to the actual exception, so that the users can obtain the information about the thrown exception if needed. [ChangeLog][QtCore][QUnhandledException] Improved QUnhandledException to store the std::exception_ptr to the actual exception thrown from a QtCocnurrent worker thread. Change-Id: I30e7c1d3e01aff6e1ed9938c421da0a888f12066 Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
* QList: also default count()'s template parameterGiuseppe D'Angelo2020-10-262-2/+2
| | | | | | | | Also fix the docs. Change-Id: If08116cb8657d00d610de9451be0ba73ce19dcd1 Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io> Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* Make Ubuntu with its non-standard security level happyTimur Pocheptsov2020-10-262-88/+84
| | | | | | | | | | | Ubuntu changed the default level from 1 to 2 and not accepting our RSA 1024 anymore. While we are not testing the TLS library's strength, we re-generate a ceritficiate to shut the thing (the botched, 'fixed' OpenSSL) up for good. Task-number: QTBUG-86187 Change-Id: I6151ce5210972ae938e52731157742910363afbe Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
* Make QString/QLatin1String comparisons hidden friendsAllan Sandfeld Jensen2020-10-262-223/+182
| | | | | | | Leaving most member comparisons untouched though. Change-Id: I8267f85927ec8315d511ac38757bc8d8aaaa5672 Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* QtConcurrent: Reuse ArgResolver from qfuture_impl.hJarek Kobus2020-10-262-100/+50
| | | | | | Task-number: QTBUG-83331 Change-Id: I572f68f6d3be4a50970d8d77d070f175be3ec785 Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
* Replace see-alsos in qfloat16 documentation with \overloadVolker Hilsheimer2020-10-262-23/+19
| | | | | | | | | | | Explicitly specify the float-overload, otherwise it's just ends up referring to itself, and won't generate a link. Also document qFpClassify(qfloat16) overload. The internal implementation was documented, but the public overload not. Change-Id: Ifdc364597a0e7b4d943f0ec6d149977a15c805ef Reviewed-by: Paul Wicking <paul.wicking@qt.io>
* CMake: Fix target dependency cycle regarding qpa plugins in qtwaylandAlexandru Croitor2020-10-261-4/+16
| | | | | | | | | | | | | | | | | | | | | | | With the introduction of the new 'default_qpa_plugins' custom target, a target dependency cycle occurred in qtwayland: qtwaylandscanner -> default_qpa_plugins -> a wayland qpa plugin -> WaylandClient -> qtwaylandscanner The issue is twofold: - default_qpa_plugins accidentally depended on non-qpa plugins. - All qpa plugins were enabled by default, including the wayland ones. Fix the default_qpa_plugins target not to depend on regular non-qpa plugins. Also fix qpa plugins not to be enabled by default, but instead only choose one qpa plugin to be the default (via evaluating the DEFAULT_IF) condition. Amends df9c7456d11dfcf74c7399ba0981a3ba3d3f5117 Change-Id: I22cd2c72f6b75be54263fd21097258bd179e3616 Reviewed-by: Cristian Adam <cristian.adam@qt.io>
* CMake: Don't use mkspec set by sourcing b2qt environment scriptAlexandru Croitor2020-10-261-1/+2
| | | | | | | | | | | | qmake sees the QMAKESPEC variable and uses it when building tests, instead of using the target mkspec written in the target_qt.conf file by the build system. Unset the environment variable to force usage of the mkspec specified when confugring Qt. Task-number: QTBUG-86053 Change-Id: I24ceddd1436393b496665e439dd1441ecbd36df7 Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io> Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
* CMake: Fix handling of rpaths for tests with CMAKE_STAGING_PREFIXAlexandru Croitor2020-10-261-0/+12
| | | | | | Task-number: QTBUG-86053 Change-Id: I2f368d9dc2d871b67bd6261aadd8ef4c1dd1ae54 Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
* CMake: Fix automatic sysrootification detection for qmakeAlexandru Croitor2020-10-261-10/+16
| | | | | | | | | | | | | | | | | | | | | The way we detected whether SysrootifyPrefix needs to be set was incorrect. We checked if extprefix == prefix => SysrootifyPrefix should be true. But that was previously always the case for a non-prefix build, which means it was not possible to build apps (due to qmake expecting to find include dirs in the sysroot, despite the non-prefix Qt not being installed anywhere into the sysroot). Instead we should do what qmake does. Only set SysrootifyPrefix to true if extprefix was not provided and a sysroot is available. To make it work for iOS and Android, the sysroot detection code had to be moved earlier than the SysrootifyPrefix detection. Task-number: QTBUG-86053 Change-Id: Idcc1260a675fb2ef9ae27fc9dc42a68b30f763b8 Reviewed-by: Cristian Adam <cristian.adam@qt.io>
* Revert changes in strto(u)ll.c to avoid integer overflowsRobert Loehning2020-10-264-25/+36
| | | | | | | | Found in oss-fuzz issue 26045. Pick-to: 5.12 5.15 Change-Id: Id9eac1b4f67ad9bbe2d92dd69cd03338a6ced74e Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* Use metaType instead of type in qlocale_macDavid Skoland2020-10-261-1/+1
| | | | | | | QVariant's type() has been deprecated in favor of metaType() Change-Id: Ibb060bde5e946849fc1c1a67a48ff63beb1d8ffe Reviewed-by: Lars Knoll <lars.knoll@qt.io>
* Windows QPA: Use a QSharedPointer for the touch deviceFriedemann Kleint2020-10-266-32/+27
| | | | | | | | | | For reasons of symmetry with the tablet devices. As a drive by, give it more distinct IDs. Task-number: QTBUG-46412 Change-Id: Ie667621246b26db6fdda84c5ff2455fe38633cb3 Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
* Show the year correctly after it has been editedAndy Shaw2020-10-262-1/+5
| | | | | | | | | | | | When converting the year as an integer via the locale then it can add in group separators which would not be desired here. Therefore it should be converted via the QDate approach to get the right output for the year. Fixes: QTBUG-86307 Fixes: QTBUG-85966 Pick-to: 5.15 Change-Id: I092bd1e5f69e544843fd5f28c96b94c9066490c5 Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* QSsl: Further work around to pass network testMårten Nordheim2020-10-261-0/+9
| | | | | | | | | | Our tls certificate/key are a bit on the old side and need to be updated. But for now let's lower the openssl level. In this case openssl complains about the server's key used for DHE being too short. Task-number: QTBUG-86187 Change-Id: I142a7d52f7599f60b8f4f3ff3ac5ce61fed06b4c Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
* QMacStyle - fix tab renderingTimur Pocheptsov2020-10-261-1/+17
| | | | | | | | | | | In BigSur NSPopupButton, it would appear, is slightly different. But different enough so that a fragment of a disclose 'arrow' button became visible within the clipping region, making it appear as some blue strange thing in between inactive (non-selected) tabs. Task-number: QTBUG-86513 Change-Id: Ib03af48069056b5ecbb8b4afebd851005583293a Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>
* Remove documentation for removed QFlags constructorVolker Hilsheimer2020-10-261-10/+0
| | | | | Change-Id: I407392d8d92da2ebcfc2cb8050155ab44ba1f0ff Reviewed-by: Paul Wicking <paul.wicking@qt.io>
* Document QVariant::data/constDataVolker Hilsheimer2020-10-261-2/+12
| | | | | | | | | QMetaSequence refers to those members, and QMetaType operates on void*s, and documents such low-level APIs as well, so can't think of a reason why we should not document the QVariant getters as well. Change-Id: Id18de839bb0e4f5559b28bfca80eaabab1eb6479 Reviewed-by: Lars Knoll <lars.knoll@qt.io>
* CMake: Document versionless variants for CMake commands for DBusKai Koehne2020-10-252-15/+37
| | | | | | Pick-to: 5.15 Change-Id: I7168a2d2589ef72d6e6f4bc568c5a914faa777df Reviewed-by: Paul Wicking <paul.wicking@qt.io>
* Fix included license text for PCRE2 - Stack-less Just-In-Time CompilerKai Koehne2020-10-251-1/+1
| | | | | | | | | | [ChangeLog][Third-Party Code] Changed license text of "PCRE2 - Stack-less Just-In-Time Compiler" component. The documentation (incorrectly) included the generic PCRE2 license so far. Pick-to: 5.15 5.12 Change-Id: I7b36a640ba83fb6087fe28d77f9435af13f8c84d Reviewed-by: Paul Wicking <paul.wicking@qt.io>
* Fix copyright information for src/3rdparty/xcbKai Koehne2020-10-251-1/+1
| | | | | | | | | | | The new copyright lines are taken from xcb-proto-1.13/COPYING, and xcb-proto-1.13/src/xinput.xml. [ChangeLog][Third-Party] Fixed copyright information for "XCB-XInput". Pick-to: 5.15 Change-Id: I8afa4dab39765b85a015524fe16b085dcfe5a864 Reviewed-by: Paul Wicking <paul.wicking@qt.io>
* Make STL iterators the preferred styleOle-Morten Duesund2020-10-253-209/+233
| | | | | | | | | | | Emphasize STL iterators over Java style iterators. Details about Java style iterators moved to it's own page and only briefly mentioned on the containers page. Task-number: QTBUG-86584 Change-Id: Id54863f79f90214aaae87e60cee1a66f53a044ab Reviewed-by: Paul Wicking <paul.wicking@qt.io>
* doc: fix description in doc_src_containers.cppHiweed Mandriva2020-10-251-1/+1
| | | | | | Change-Id: Iade0a8ea7fc51df1ee624c4059f93d470abb9b08 Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io> Reviewed-by: <hiweedmandriva@163.com>
* Whitespace cleanup in corelib/kernelAllan Sandfeld Jensen2020-10-2437-344/+359
| | | | | Change-Id: If061ef0af5ced4384e20a82afcea3712fa7e45d7 Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* CMake: Don't invoke QDoc excessivelyTopi Reinio2020-10-241-16/+2
| | | | | | | | | | | | | | | The html_docs target does not need to call QDoc a third time as both its dependencies already do that. With qmake, html_docs did invoke QDoc if CONFIG did not include 'prepare_docs', but none of the Qt modules used that configuration. We can manage without it for now. Fixes: QTBUG-87751 Change-Id: I45d2d06006c566c431ae41d7f3a06d6b809987f2 Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io> Reviewed-by: Paul Wicking <paul.wicking@qt.io> Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
* Refine QADP::pass_parameter_by_value evaluationAndrei Golubev2020-10-241-1/+4
| | | | | Change-Id: I8327ab3eb2503228448af59098146e062d4b90d3 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* Update QList::append(const_reference) -> QList::append(parameter_type)Andrei Golubev2020-10-242-2/+2
| | | | | | | | | | Forgotten during previous round of replacing const lvalue references with parameter_type in QList methods Task-number: QTBUG-86553 Change-Id: I9abda4db3b504521b64fab1f220559c36bfeb9f5 Reviewed-by: Lars Knoll <lars.knoll@qt.io> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* Fix documentation warningsVolker Hilsheimer2020-10-248-66/+32
| | | | | | | | | Declare hidden friends like qdoc expects them, and other signature fixes Document function parameters Remove documentation for removed APIs. Change-Id: I44c1caeed0d40be04612129d074acc30b75f5259 Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
* testlib selftest: Spit out stdout/stderr when test crashesTor Arne Vestbø2020-10-241-7/+17
| | | | | | | | The old test harness used to spit out stderr only, but to be on the safe side we spit out both. Change-Id: Ib8e57fd1b0e4d8542ac552a6fe58c07016df7f5f Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* CMake: Fix tst_qmake to work for configs with cross-compiled toolsAlexandru Croitor2020-10-241-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | When cross-building Qt with CMake to target qemu configs in the CI, we specify the -DQT_BUILD_TOOLS_WHEN_CROSSCOMPILING=ON option to also cross-build tools (like qmake). In this case, $prefix/bin/qmake points to the cross-compiled qmake, and the shell script that wraps the host qmake is called $prefix/bin/host-qmake instead. In such a scenario, tst_qmake ends up running the cross-compiled qmake, which thinks that it's being run on device (via user-space qemu emulation) and doesn't specify the sysroot when computing include paths, link paths, etc. This causes the test building to fail in various ways. To fix the test, check for the existence of the host-qmake wrapper, and if it exsists use it instead. Task-number: QTBUG-86053 Change-Id: Iaa4afdf11b17f23abef873dd15b1ed950126ab8c Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io> Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
* Rename “pixelDensity” variablesMorten Johan Sørvig2020-10-232-16/+16
| | | | | | | | | | | | | QHighDpiScaling now computes scale factors based on QPlatformScreen::logicalDpi(), instead of by calling QPlatformScreen::pixelDensity() as done earlier. We forgot the rename the internal state variables, update them to indicate that platform screen DPI is used. Change-Id: Ib718a6176e0ac138395eea13b292f75f69dac3ad Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
* CMake: Put the -qtconf argument in front in the qmake wrapperJoerg Bornemann2020-10-232-2/+2
| | | | | | | | For QMake's -install argument it's necessary to have -qtconf in front. Task-number: QTBUG-87801 Change-Id: I042acdd143972cc4065660035b02678db891157f Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
* Make "qmake -qtconf my-qt.conf -install ..." possibleJoerg Bornemann2020-10-231-0/+2
| | | | | | | | | Detect the case where the first argument is -qtconf <file> and ignore that for the -install argument. Task-number: QTBUG-87801 Change-Id: If6822ee3ebef99de645aee8d110ebdcb13fb2da2 Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
* Make "qmake -qtconf my-qt.conf -query" possibleJoerg Bornemann2020-10-231-0/+5
| | | | | | | | | It's now possible to put the -qtconf argument in front of the -query argument (and others). Fixes: QTBUG-85136 Change-Id: I74b78f084acf264ef637ed2f6cb63b655b176056 Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
* CMake: Let doc targets depend on doc tools in top-level buildJoerg Bornemann2020-10-234-0/+51
| | | | | | | | | | | | | | | For top-level builds it's desirable to have "ninja generate_docs" build all tools needed to generate the documentation. This is problematic since the doc-generating targets are created before the doc tool targets. Thus, we must defer the dependency connection if the doc tool target is not yet available. This patch adds the functions qt_internal_defer_dependency and qt_internal_add_deferred_dependencies. Change-Id: Ica940b80882e67cb0e0943e95541f7f4d1885948 Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
* CMake: Fix typo in variable nameJoerg Bornemann2020-10-231-3/+2
| | | | | Change-Id: I310ff17c75970482803294bb5f4473bcaebdc151 Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
* Add unit tests for qdatetimeparserAndreas Buhr2020-10-236-0/+89
| | | | | | | | | | | | | The qdatetimeparser was not tested explicitly so far, but only implicitly in tst_qdate / tst_qdatetime / tst_qdatetimeedit etc. This made it difficult to test some corner cases, especially in the context of unfinished dates, i.e. dates which are invalid, but could become valid by adding more characters. This is used to validate user input in qdatetimeedit. Task-number: QTBUG-84334 Change-Id: I27202849abb1b7cad96d3e25f7ac81ce85272b2a Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
* Make QSharedPointer comparisons hidden friendsAllan Sandfeld Jensen2020-10-232-122/+70
| | | | | | | | Doesn't touch qsharedpointer.h which already seems outdated and needs a general overhaul. Change-Id: I051cdeb1fe03a7ef16e333a483bb68e2fada3c25 Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* Display tooltips on the correct screenMorten Johan Sørvig2020-10-231-1/+3
| | | | | | | | | | | | | Display QTipLabel on the correct screen, also when the parent widget spans multiple screens. In this case, QWidget::screen() will return the main screen for the widget, which will not necessarily be the screen at the tool tip position. Fixes regression introduced by 7e2fded5. Change-Id: Iffb920b6658468c5032928eadbd749f58fe077a7 Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* macOS: Remove alpha from default surface formatMorten Johan Sørvig2020-10-231-8/+1
| | | | | | | | | | | | | | | (This reverts commit 2ca1253b13e77643b3d2dd993a038ae2df882311). This allowed use to avoid backing store RGB -> RGBA conversions on the CPU back before macOS was layer backed. The conversion should be GPU accelerated now, and we can return to the cross-platform default. In addition, RGBA backingstores requires filling with transparent pixels on each paint event, which causes increased CPU usage - often for no reason if transparency effects are not used. Change-Id: Ic795128b7e474b63f44f9f4f3526d0b205652e62 Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
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