diff options
| author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2021-02-01 10:24:35 +0100 |
|---|---|---|
| committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2021-02-02 09:32:36 +0100 |
| commit | feb6711a7962c210a2c88f416200e266fb30597a (patch) | |
| tree | ba298c370fbe4aeab7648bc8e6336224225cc00a /src/gui/image/qimage.cpp | |
| parent | b23f5621d7e5275dbb3f96f6b46f691c8b19a13d (diff) | |
Segment qimage conversion block irrelevant of depth
Always try segments from 64k to 128k pixels, this matches
qimagescale logic, and gives a one percent speedup locally.
Change-Id: I3ef468eac9dca4b84f04850e970f3d15a4f16255
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
Diffstat (limited to 'src/gui/image/qimage.cpp')
| -rw-r--r-- | src/gui/image/qimage.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp index cced1d9942..8d8245525a 100644 --- a/src/gui/image/qimage.cpp +++ b/src/gui/image/qimage.cpp @@ -4826,7 +4826,7 @@ void QImage::applyColorTransform(const QColorTransform &transform) } #if QT_CONFIG(thread) && !defined(Q_OS_WASM) - int segments = sizeInBytes() / (1<<16); + int segments = (qsizetype(width()) * height()) >> 16; segments = std::min(segments, height()); QThreadPool *threadPool = QThreadPool::globalInstance(); if (segments > 1 && threadPool && !threadPool->contains(QThread::currentThread())) { |