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SubjectRe: HARDWARE: Open-Source-Friendly Graphics Cards -- Viable?


On Mon, 25 Oct 2004, Timothy Miller wrote:

>
>
> Tonnerre wrote:
> > Salut,
> >
> > On Fri, Oct 22, 2004 at 10:57:16AM +0000, Helge Hafting wrote:
> >
> >>24-bit color
> >>------------
> >
> >
> > Why don't you use 32-bit colors? 24-bit packed pixels are a pita, and
> > a lot of OpenGL hardware doesn't support 24bpp. You might atcually get
> > better graphics/performance/etc. if you stick to 32bpp. Only that the
> > framebuffer size increases by 1/3rd.
>
> It's been ages since I've encountered a GPU which could do packed 24. I
> think when people talk about "24 bit color", they're also thinking "32
> bits per pixel". Besides, there's the alpha channel.

Well, in order to save memory and bandwidth, the data can be 24bpp, but
the software sees it 32bpp.

I didn't follow the whole thread, but IMHO the most important thing is 2D.
If you like gaming, a slow 3D card is useless. I would prefer a card with
excellent 2D features instead.


--
Giuliano.
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