[Qt-embedded-interest] PowerVR integration with Qt problems

[Tom Cooksey]

> Hi, All
>   We followed “OMAP35x Graphics SDK Getting Started Guide” to get
> PowerVR works on omap34x zoom board. We started loading powerVR
> modules successfully,
> Target #/etc/init.d/rc.pvr start
> And we could run any of its demo examples, like eglinfo,
> sgx_blit_test, sgx_flip_test, ovg_unit_test Target $ ./gles1test1
> –t
> Target $ ./gles2test1 –t
> Target $ ./ovg_unit_test –t
>
> so we builded qt with arguments as below, in order to use PowerVR
> feature of Qt: -plugin-gfx-powervr
> -opengl es1
>
> The PowerVR driver also needs to be told which WSEGL library to
> use. This is done by creating/modifying /etc/powervr.ini:
>
> [default]
> WindowSystem=libpvrQWSWSEGL.so
>
> When we start a Qt/Embedded application, we modify the QWS_DISPLAY
> environment variable to use the "powervr" driver instead of
> "LinuxFb".
>
> QWS_DISPLAY=”powervr:size=480x640:depth=32”

I believe there's some issues on the SGX on the OMAP3430 with 32-bit 
colour depth. Try 16-bit. Also, the powervr driver has some other 
known issues at the moment.