[Interest] Qt5.6.1 16-bit color on Raspberry Pi 3

Joshua Grauman jnfo-c at grauman.com
Wed Sep 14 01:56:45 CEST 2016


Nevermind, apparently it was just the default theme that is dithered. 
Explicitly setting the theme to fusion fixed it.

Josh

> Hello,
>
> I have been working for hours trying to figure out how to get 24 or 32-bit 
> color on my Raspberry Pi 3. Currently, Qt is running at 16-bit color and 
> everything is dithered and looks terrible. As far as I can tell, X and the 
> framebuffer are both running at 24 bit and I think it is only Qt running at 
> 16 bit. I compiled Qt myself (twice) natively on the Raspberry Pi trying 
> different options, and I have the same results. I used the EGLFS for 
> Raspberry Pi plugin on one compile, and another ran directly on X. I'm 
> running Ubuntu Mate 16.04.1 LTS. Is it necessary to compile Qt for 24-bit 
> color? What compile options affect this? Are there commandline options that 
> can for 24-bit? Thanks for any info on how to get out of 16-bit color!
>
> Josh
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