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| author | Bernhard Rosenkraenzer <br@blankpage.ch> | 2010-04-08 14:20:44 (GMT) |
|---|---|---|
| committer | Tom Cooksey <thomas.cooksey@nokia.com> | 2010-04-08 14:34:53 (GMT) |
| commit | e1671f51dde620a403fdf9a6d71d9a89f8795b96 (patch) | |
| tree | 7f4284a100c49ab66c828bfb0621fee8236d163f /src/gui/embedded/qscreenlinuxfb_qws.cpp | |
| parent | 670e4fd179027eb13d4fc1558cac6eabade4a4d0 (diff) | |
| download | Qt-e1671f51dde620a403fdf9a6d71d9a89f8795b96.zip Qt-e1671f51dde620a403fdf9a6d71d9a89f8795b96.tar.gz Qt-e1671f51dde620a403fdf9a6d71d9a89f8795b96.tar.bz2 | |
Tweak the display update IOCTL calls
It seems to be best practice to pass the "update flash" command only
when the entire display needs to be updated, while the refresh call
without updating flash is sufficient for updating smaller regions
Merge-request: 417
Reviewed-by: Tom Cooksey <thomas.cooksey@nokia.com>
Diffstat (limited to 'src/gui/embedded/qscreenlinuxfb_qws.cpp')
| -rw-r--r-- | src/gui/embedded/qscreenlinuxfb_qws.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/gui/embedded/qscreenlinuxfb_qws.cpp b/src/gui/embedded/qscreenlinuxfb_qws.cpp index 2cdd16f..4c91416 100644 --- a/src/gui/embedded/qscreenlinuxfb_qws.cpp +++ b/src/gui/embedded/qscreenlinuxfb_qws.cpp @@ -1221,7 +1221,7 @@ int QLinuxFbScreen::sharedRamSize(void * end) /*! \reimp */ -void QLinuxFbScreen::setDirty(const QRect &) +void QLinuxFbScreen::setDirty(const QRect &r) { if(d_ptr->is8Track) { // e-Ink displays need a trigger to actually show what is @@ -1231,7 +1231,10 @@ void QLinuxFbScreen::setDirty(const QRect &) // memory. // There doesn't seem to be a way to tell it to just update // a subset of the screen. - ioctl(d_ptr->fd, 0x46a2, 1); + if(r.left() == 0 && r.top() == 0 && r.width() == dw && r.height() == dh) + ioctl(d_ptr->fd, 0x46a2, 1); + else + ioctl(d_ptr->fd, 0x46a2, 0); } } |