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Gatis Paeglis 7286d9d8dd xcb: fix bitmap cursor loading performance regression
... introduced by 422838685c.
Instead of completely droping caching for bitmap cursors we can do
the same what is done in libXcursor - have a fixed size cache, with
oldest entries eventually being replaced with new bitmaps. This
fixes the original issue, where the hash was growing indefinitely
until running out of file descriptors and won't have the performance
penalty as in 422838685c.

Task-number: QTBUG-66897
Change-Id: I14f80b46f97fd0e2c920e17a31ffbc0441cd9d22
Reviewed-by: Uli Schlachter <psychon@znc.in>
Reviewed-by: Robin Burchell <robin.burchell@crimson.no>
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
2018-04-14 17:03:01 +00:00
bin rework syncqt interaction regarding cross-tree paths 2018-04-12 15:42:59 +00:00
config.tests Merge remote-tracking branch 'origin/5.9' into 5.11 2018-02-14 12:51:24 +01:00
dist Merge remote-tracking branch 'origin/5.9' into 5.11 2018-02-14 12:51:24 +01:00
doc Doc: Update Find Files example 2018-04-09 06:50:52 +00:00
examples Fix documentation of the Event Transitions Example 2018-04-11 07:32:28 +00:00
lib Purge all fonts 2015-08-18 19:59:14 +00:00
mkspecs rework syncqt interaction regarding cross-tree paths 2018-04-12 15:42:59 +00:00
qmake qmake: fix QMAKE_BUNDLE_DATA for (some) generated files 2018-04-12 15:42:49 +00:00
src xcb: fix bitmap cursor loading performance regression 2018-04-14 17:03:01 +00:00
tests tests/auto/widgets/util: Avoid unconditional qWait()s 2018-04-13 12:32:52 +00:00
util QtEdidSupport: Fix private headers 2018-02-02 07:21:49 +00:00
.gitattributes Update the git-archive export options 2012-09-07 15:39:31 +02:00
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config_help.txt Expose gdb-index as configure argument 2018-03-20 20:45:21 +00:00
configure configure: Detect Cocoa instead of Carbon 2018-04-05 21:04:22 +00:00
configure.bat configure: Prefer cl.exe over clang-cl.exe 2018-01-04 21:22:42 +00:00
configure.json Revert "Detect C standard and try using the most recent" 2018-03-26 15:10:33 +00:00
configure.pri Configure: Restore default prefix on Windows 2018-04-09 15:32:19 +00:00
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qtbase.pro nuke configure -host-option 2016-12-13 18:55:59 +00:00
sync.profile Testlib: Rename qtest_global.h to qttestglobal.h 2018-03-21 10:31:01 +00:00