[Interest] using openvg graphics system for embedded platform.

Ben Lau xbenlau at gmail.com
Fri Jan 27 11:39:11 CET 2012


Hi,

I don't have a SH board to test. But I guess you may try to replace
-plugin-gfx-directfb with  -qt-gfx-directfb .

On Fri, Jan 27, 2012 at 5:27 PM, haithem rahmani
<haithem.rahmani at gmail.com>wrote:

> Hi,
>
> I'm trying to cross-compile the qt-4.8.0 for a STMicroelectronics SoC,
> this SoC comes with a GPU.
>
> I've to use the "directfb" gfx driver, but as you know DirectFB doesn't
> provide any vector graphics api, so to avoid the "raster" fallback I'm
> trying to enable the "openvg" based graphics system
> to get all the 2D vector  ops accelerated, below how  I called  the
> "configure"
>
> ./configure -confirm-license \
>     -verbose -verbose \
>      -prefix "/home/rahmanih/qt-4.8.0" \
>             -plugin-gfx-directfb  \
>             -egl \
>             -graphicssystem openvg \
>      -no-qt3support \
>             -exceptions \
>     -no-rpath \
>             -stl \
>     -reduce-relocations \
>             -force-pkg-config \
>             -system-sqlite \
>     -system-zlib \
>     -system-libpng \
>      -system-libmng \
>     -system-libjpeg \
>     -no-mmx -no-3dnow -no-sse -no-sse2 \
>             -no-cups \
>             -little-endian \
>             -host-little-endian \
>             -depths 8,15,16,24,32  \
>         -no-phonon \
>         -no-multimedia \
>      -opensource \
>     -embedded sh4 \
>     -arch sh4
>
> but I got an the following error.
>
> Error: Graphics System plugins are not supported on QWS.
>    On QWS, the graphics system API is part of the QScreen plugin
> architecture
>    rather than existing as a separate plugin
>
> is there anyway to get the openvg support for embedded platforms?
> if yes then is it possible lo make it working together with the directfb
> gfx driver?
>
> --
> *
> "If you ask a question - you will be a fool for 5 minutes, otherwise
> ignorant for rest of your life"
> *
>
>
> _______________________________________________
> Interest mailing list
> Interest at qt-project.org
> http://lists.qt-project.org/mailman/listinfo/interest
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.qt-project.org/pipermail/interest/attachments/20120127/1054c91e/attachment.html>


More information about the Interest mailing list