diff options
| author | Morten Johan Sorvig <morten.sorvig@digia.com> | 2012-12-04 15:26:02 +0100 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2012-12-07 12:05:08 +0100 |
| commit | 2e142143579c0db098d966d40ddc871c9c7119f9 (patch) | |
| tree | ff0835fb31ac723d56f890e93a9f1391fc4d0a7e /src/plugins/platforms | |
| parent | 9650a5aa25b5750c571326380490c191c62fd6a1 (diff) | |
Use the "copy" blend mode for backingstore drawing
The default is a "source over", but we want to
completely replace the destination pixels. (Which
is slightly faster).
Change-Id: I4916765258a2236f70f58a8e20b06f80739183c1
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@digia.com>
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>
Diffstat (limited to 'src/plugins/platforms')
| -rw-r--r-- | src/plugins/platforms/cocoa/qnsview.mm | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/plugins/platforms/cocoa/qnsview.mm b/src/plugins/platforms/cocoa/qnsview.mm index 1f19b07904..f0ece54d20 100644 --- a/src/plugins/platforms/cocoa/qnsview.mm +++ b/src/plugins/platforms/cocoa/qnsview.mm @@ -316,6 +316,7 @@ static QTouchDevice *touchDevice = 0; ); CGImageRef bsCGImage = m_backingStore->getBackingStoreCGImage(); CGImageRef cleanImg = CGImageCreateWithImageInRect(bsCGImage, backingStoreRect); + CGContextSetBlendMode(cgContext, kCGBlendModeCopy); CGContextDrawImage(cgContext, dirtyWindowRect, cleanImg); // Clean-up: |