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author | Anders Bakken <anders.bakken@nokia.com> | 2009-05-04 17:38:37 (GMT) |
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committer | Anders Bakken <anders.bakken@nokia.com> | 2009-05-04 17:48:02 (GMT) |
commit | 885adf0541e4b709bf5a3774361e85db2a35fc47 (patch) | |
tree | 6f4ca4ef6870876d4286d2f1ba4939de95a55e21 /src/plugins/gfxdrivers/directfb/qdirectfbpixmap.h | |
parent | a5c1161fb6bb2a24cebc104bc2a9b8def0a6e466 (diff) | |
download | Qt-885adf0541e4b709bf5a3774361e85db2a35fc47.zip Qt-885adf0541e4b709bf5a3774361e85db2a35fc47.tar.gz Qt-885adf0541e4b709bf5a3774361e85db2a35fc47.tar.bz2 |
Lock for read only when possible
From benchmarking I've established that surface->Lock(DSLF_READ) is
faster than surface->Lock(DSLF_WRITE) which is faster than
surface->Lock(DSLF_READ|DSLF_WRITE).
This patch will make us Lock for read only, when possible.
Reviewed-by: Donald <qt-info@nokia.com>
Diffstat (limited to 'src/plugins/gfxdrivers/directfb/qdirectfbpixmap.h')
-rw-r--r-- | src/plugins/gfxdrivers/directfb/qdirectfbpixmap.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.h b/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.h index 6cfafcd..697e5ce 100644 --- a/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.h +++ b/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.h @@ -69,7 +69,8 @@ public: Qt::TransformationMode mode) const; QImage toImage() const; QPaintEngine* paintEngine() const; - QImage *buffer(); + virtual QImage *buffer(); + QImage *buffer(uint lockFlags); // Pure virtual in QPixmapData, so re-implement here and delegate to QDirectFBPaintDevice int metric(QPaintDevice::PaintDeviceMetric m) const {return QDirectFBPaintDevice::metric(m);} |