[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"
> *
>
>
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