Daniel Laird wrote:
>>> I have built GTK with all the patches on this page:
>>> https://wiki.mozilla.org/Mobile/DFBPorting#DirectFB
>>>
>>> I then run gtk-demo with DirectFB 1.2.  It all looks to have worked
>>> rather well except I have a black screen (better than the crash I had
>>> before :-))
>>>
>>> If I use fbdump to dump the framebuffer I get the gtk-demo program.  
>>> However the key here is that the Alpha byte is 0 which means that my
>>> alpha aware hardware has made it all see through.
>>>
>>> I was wondering if there was an issue with alpha and the patches above
>>> or with DirectFB 1.2 or similar.
>>>
>>> Please find attached a PNG of the screenshot (alpha ignored)
>>  
>> At least the background color should not have zero alpha.
>>  
>> Is this with hardware acceleration?
>>  
>> Could this be RGB32, but your hardware is set to use the alpha?
> 
> I have run both with and without HW Acceleration and I get the same
> problem.
> I always set the pixelformat to be ARGB (/etc/directfbrc) and the
> depth=32.
> The interesting this is the 'brown colour' on the background.

Please only set pixelformat to ARGB. Setting depth to 32 afterwards
will override the pixelformat with RGB32.

-- 
Best regards,
   Denis Oliver Kropp

.------------------------------------------.
| DirectFB - Hardware accelerated graphics |
| http://www.directfb.org/                 |
"------------------------------------------"

_______________________________________________
directfb-dev mailing list
directfb-dev@directfb.org
http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev

Reply via email to