show image of current buffer in frame buffer (/dev/fbX)

Andrey Skvortsov andrej.skvortzov at gmail.com
Tue Aug 30 16:39:41 EDT 2016


On 19 Aug, Ran Shalit wrote:
> Hello,
> 
> Is it possible to display in some way the current content of frame buffer ?
> I have some issue that on rendering to /dev/fb2 with one application
> (psplash), it goes to the correct output, but using another
> application (qt) it always goes to /dev/fb2 (even if I static link
> /dev/fb0 to /dev/fb2).
> I thought that if I can display the content of frame buffer, it will
> help me understand what's going wrong.
Hi Ran,

maybe fbcat/fbgrab is what you are looking for?

-- 
Best regards,
Andrey Skvortsov


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