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author | Olivier Goffart <ogoffart@trolltech.com> | 2010-04-16 10:20:46 (GMT) |
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committer | Olivier Goffart <ogoffart@trolltech.com> | 2010-04-16 10:20:46 (GMT) |
commit | d626cfeae84a52f3f752be6dd5ed7df11e4b3be1 (patch) | |
tree | fe9732af8c2c49c20bc450cdb53087e185ff8633 /doc/src/howtos | |
parent | 140a96d0b860b045c18d53c1ac96e77b3893d31c (diff) | |
parent | fb44c5b866da71fcbe992f6d02fb18ab2470ac53 (diff) | |
download | Qt-d626cfeae84a52f3f752be6dd5ed7df11e4b3be1.zip Qt-d626cfeae84a52f3f752be6dd5ed7df11e4b3be1.tar.gz Qt-d626cfeae84a52f3f752be6dd5ed7df11e4b3be1.tar.bz2 |
Merge remote branch 'origin/4.6' into qt-4.7-from-4.6
Conflicts:
src/3rdparty/webkit/VERSION
src/3rdparty/webkit/WebCore/ChangeLog
src/3rdparty/webkit/WebCore/page/FrameView.cpp
src/3rdparty/webkit/WebCore/rendering/RenderWidget.cpp
src/3rdparty/webkit/WebKit/qt/symbian/eabi/QtWebKitu.def
src/s60installs/bwins/QtCoreu.def
src/s60installs/bwins/QtGuiu.def
src/s60installs/bwins/QtNetworku.def
src/s60installs/eabi/QtGuiu.def
tests/auto/qscriptextqobject/tst_qscriptextqobject.cpp
Diffstat (limited to 'doc/src/howtos')
-rw-r--r-- | doc/src/howtos/openvg.qdoc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/src/howtos/openvg.qdoc b/doc/src/howtos/openvg.qdoc index 9c805bb..f70ed54 100644 --- a/doc/src/howtos/openvg.qdoc +++ b/doc/src/howtos/openvg.qdoc @@ -295,6 +295,16 @@ Convolution, colorize, drop shadow, and blur filters are accelerated using OpenVG operations. + \section2 Scrolling + + By default, accelerated scrolling is not enabled because the impact on + performance is very much tied to the hardware platform. To enable + accelerated scrolling, you should ensure that QVG_BUFFER_SCROLLING is + defined when compiling the QtOpenVG module. + + You should only enable this feature if vgCopyPixels() is known to be + efficient on your hardware platform. + \section1 Known issues Performance of copying the contents of an OpenVG-rendered window to the |