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path: root/src/gui/painting/qimagescale_sse4.cpp
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* Protect QImage work on shutdownAllan Sandfeld Jensen2020-10-121-1/+1
| | | | | | | | | | If the thread pool was not created, or already deleted, make sure the QImage routines can still run as they could before. Fixes: QTBUG-87320 Pick-to: 5.15 Change-Id: I4105a68b6ae0637faf82cdda5f5ae44298759396 Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
* Do not multithread if already in a global threadpool threadAllan Sandfeld Jensen2020-06-031-2/+3
| | | | | | | | | | This can lead to a deadlock if we block all the worker threads, waiting for the worker threads to finish. Pick-to: 5.15 Fixes: QTBUG-84619 Change-Id: I92b7f96007897d86ece0c34223bab0df4ccbed9a Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
* Fix image scaling on WASM platformAllan Sandfeld Jensen2020-04-151-58/+28
| | | | | | | Apparently it has trouble with multi-threading from the main thread. Change-Id: Ib544d69270c2780d4a42bde6fd7f491e32f29cd2 Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* Multithread some QImage routinesAllan Sandfeld Jensen2020-03-091-89/+157
| | | | | | | | Use QThreadPool to process QImage smooth-scaling, format conversions, and colorspace transforms multithreaded. Change-Id: Ic142b1fa899f56e7e5099d36ca713701a47b681b Reviewed-by: Lars Knoll <lars.knoll@qt.io>
* Use Q_DECL_VECTORCALL in a few more placesThiago Macieira2018-12-111-1/+3
| | | | | | | | | | | There were a few functions that passed vectors in parameters but did not mark as vectorcall. I've taken the opportunity to de-macroify one macro, but I'm not going to do it for the rest. Change-Id: I42a48bd64ccc41aebf84fffd1564bfc21faa2a14 Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
* Updated license headersJani Heikkinen2016-01-151-14/+20
| | | | | | | | | | | From Qt 5.7 -> LGPL v2.1 isn't an option anymore, see http://blog.qt.io/blog/2016/01/13/new-agreement-with-the-kde-free-qt-foundation/ Updated license headers to use new LGPL header instead of LGPL21 one (in those files which will be under LGPL v3) Change-Id: I046ec3e47b1876cd7b4b0353a576b352e3a946d9 Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
* Remove unused and unneeded subimage scalingAllan Sandfeld Jensen2015-06-091-28/+14
| | | | | | | | | Removes the feature of scaling only a clipped area of the input which was unused and only made the code harder to read and maintain. Change-Id: I296a804a5bd083016fbc47543e00eb586b530d71 Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
* Combine x and y oriented sample helpersAllan Sandfeld Jensen2015-05-301-29/+13
| | | | | | | | The range sampling operates the same in both directions just with different step-sizes, so the code can be unduplicated, Change-Id: I47805a7e925d4058f62c558ef08e79485915e937 Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
* Cleanup and optimization of qimage smoothscaleAllan Sandfeld Jensen2015-04-151-0/+247
Cleaning up smoothscale code. Upscaling is improved using existing optimized interpolation methods, and downscale is given SSE4.1 optimized versions. Change-Id: I7cdc256c26850948aef7dae26fda1622be6b8179 Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
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