Searching for Qt Directfb Support information? Find all needed info by using official links provided below.
https://doc.qt.io/archives/qt-4.8/qt-embeddedlinux-directfb.html
We recommend using Qt 4.6 or later with DirectFB. Support for DirectFB was introduced into Qt for Embedded Linux as a labs project for Qt 4.3 and folded into Qt as a screen driver for Qt 4.4, but not supported fully. In Qt 4.5, major changes were made to make it work with the optimized raster paint engine.
https://www.qt.io/blog/2010/02/04/qt-46-now-with-improved-directfb-support
As of Qt 4.6 massive improvements have been made to the QWS/DirectFB driver. While there has been some support of DirectFB since Qt 4.3, 4.6 comes with significant improvements in terms of performance, stability and features.
https://het.as.utexas.edu/HET/Software/html/qt-embeddedlinux-directfb.html
We recommend using Qt 4.6 or later with DirectFB. Support for DirectFB was introduced into Qt for Embedded Linux as a labs project for Qt 4.3 and folded into Qt as a screen driver for Qt 4.4, but not supported fully. In Qt 4.5, major changes were made to make it work with the optimized raster paint engine.
https://wiki.qt.io/Qt_5.6.0_Known_Issues
Qt WebEngine fails to build for Red Hat / CentOS 6.6 QTBUG-48298; Qt support for DirectFB fails to build with some older versions of DirectFB. We have been unable to tell which is the first version known to compile, since DirectFB.org is unreachable. Workarounds: configure Qt with the -no-directfb option; or; remove your DirectFB development ...
https://bugreports.qt.io/browse/QTBUG-57176
Qt; QTBUG-57176; Configuring directfb backend fails due to unknown module egl_support-private
https://forum.qt.io/topic/53584/support-qt-e-argb1555-framebuffer
AFAIK, there's no particular support for that format in Qt 5. Anyway, since you have DirectFB working well, why not optimize Qt and your software to use less resources ? What is the current memory usage that DirectFB implies that makes it unsuitable ? What are your memory constraints ?
https://bugreports.qt.io/browse/QTBUG-60534
Configuring qt5.8 build with directfb without pkg-config is not working. ... It works fine with older version of Qt(4.7.4) using qmake.conf with QT_CFLAGS_DIRECTFB and QT_LIBS_DIRECTFB variables ... There has to be an alternate way to use directfb support other than pkg-config; When cross compiled without sysroot using -xplatform flag there is ...
https://wiki.qt.io/AddDevice
Our goal is to allow you to add support for your device to Qt. The benefit is that your users will be able to build Qt out of the box, the other part is that once your code is in Qt there is the possibility to build and runtime test for your hardware. Introduction. Qt is a portable toolkit but your hardware might be special.
https://forum.qt.io/topic/73162/qt5-6-directfb-segmentation-fault-on-broadcom-bcm7231b2
Hi, You should run your application through the debugger to see where exactly it fails.
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