30-bit displaying with Krita?

[LukasT.dev@gmail.com]

On Tuesday 29 December 2009 09:06:20 Boudewijn Rempt wrote:
> On Friday 25 December 2009, Adrian Page wrote:
> > It will also be necessary to request a 10-bit visual when the OpenGL
> >  context is created. Without that, there's likely no benefit in storing
> > the data in greater than 8 bits as it will just get converted to 8-bit
> > when written to the frame buffer, unless the card opts to dither (my
> > Nvidia card doesn't).
> 
> Is that actually doable with QGlWidget? I've tried to find something in the
>  Qt docs, but I cannot figure it out.
> 

Creating OpenGL rendering context with Qt is described here 

http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=262519