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Laszlo Agocs 28a264cfe2 Fix alpha blending regression with WA_StacksOnTop QOpenGLWidgets 
0bc4288689 in Qt 5.6 introduced support for premultiplied alpha in the
raster-rendered QWidget content. Unfortunately this introduced a
regression for OpenGL content from QOpenGLWidgets with WA_StacksOnTop
set: these used standard alpha blending in 5.5 and earlier, and
switching them to premultiplied (in case the - unrelated - raster
content has a _Premultiplied QImage format) breaks all content that
was done with non-premultiplied alpha in mind, for example the qopenglwidget
example's "Transparent background" checkbox.

Restore the pre-5.6 behavior.

Fixes: QTBUG-74285
Change-Id: I76fcadd53cd436efa2b619b8d6739270995d044f
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
2019-03-30 19:22:17 +00:00
bin syncqt: Do not clean header directory before "-minimal" run 2018-11-22 14:16:53 +00:00
config.tests x86: Disable AVX support on 64-bit MinGW 2019-02-06 08:11:29 +00:00
dist Add changes file for Qt 5.12.2 2019-02-28 07:53:54 +00:00
doc Doc: Remove background colors from simplified offline CSS 2019-03-10 20:00:11 +00:00
examples Examples: properly parse more than one element in maps and lists 2019-03-22 02:08:02 +00:00
lib Purge all fonts 2015-08-18 19:59:14 +00:00
mkspecs Fix cross compile on Ubuntu 2019-03-30 07:34:30 +00:00
qmake Add .lib and .exp files to clean targets only for libraries 2019-03-27 07:39:14 +00:00
src Fix alpha blending regression with WA_StacksOnTop QOpenGLWidgets 2019-03-30 19:22:17 +00:00
tests Blacklist the reverse lookup of 8.8.8.8 to unblock integrations 2019-03-29 13:45:47 +00:00
util Remove broken code from unicode generator 2019-03-18 15:17:10 +00:00
.gitattributes Update the git-archive export options 2012-09-07 15:39:31 +02:00
.gitignore Remove support for qml1 plugins and modules 2018-11-15 19:52:13 +00:00
.qmake.conf Bump version 2019-03-22 05:35:40 +00:00
.tag Update the git-archive export options 2012-09-07 15:39:31 +02:00
config_help.txt configure: improve warning when all qpa plugins disabled with features.gui 2019-01-07 07:27:35 +00:00
configure configure: Treat win32-clang-g++ the same as win32-g++ 2018-10-10 04:10:40 +00:00
configure.bat Configure: simplify logic 2019-03-14 12:13:58 +00:00
configure.json configure: enable inline tests to contain auxiliary files 2018-12-19 19:22:06 +00:00
configure.pri Fix detection of QMAKE_DEFAULT{INC|LIB}DIRS for gcc cross-builds 2019-03-24 07:23:32 +00:00
header.BSD Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.COMM Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.FDL Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.GPL Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.GPL-EXCEPT Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL3 Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL3-COMM Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL-NOGPL2 Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL-ONLY Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.MIT qsimd: add support for new x86 CPU features 2018-05-05 06:20:07 +00:00
INSTALL INSTALL: Remove outdated reference to Windows CE 2019-02-13 13:01:57 +00:00
LICENSE.FDL Initial import from the monolithic Qt. 2011-04-27 12:05:43 +02:00
LICENSE.GPL2 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.GPL3 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.GPL3-EXCEPT Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.LGPL3 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.LGPLv3 Remove LICENSE.GPLv3, LICENSE.LGPLv21, LGPL_EXCEPTION.txt 2018-04-16 11:02:14 +00:00
LICENSE.QT-LICENSE-AGREEMENT-4.0 Replace commercial preview license with Qt License Agreement 4.0 2018-06-21 11:39:15 +00:00
qtbase.pro nuke configure -host-option 2016-12-13 18:55:59 +00:00
sync.profile Fix build failed with ANGLE 2018-10-16 05:19:43 +00:00