Re: [OT] Crazy idea: Design open-source graphics chip

From: Geert Uytterhoeven
Date: Sun Feb 01 2004 - 05:38:04 EST


On Thu, 29 Jan 2004, Timothy Miller wrote:
> Ok, so, how about this idea:
>
> - Small Xilinx FPGA, 16M of RAM, and a DAC on a board.
> - AGP 2X
> - Up to 2048x2048 resolution at 8, 16, and 32 bpp.
> - Acceleration ONLY for solid fills and bitblts on-screen.

Sounds OK to me.

> Given that so little is accelerated, there is no point in putting more
> than the viewable framebuffer on the card, hense the 16 megs. It would
> probably actually HURT performance to cache pixmaps on the card.
>
>
> Oh, there's one thing I forgot. It would have to support VGA. There is
> a VGA core on opencores.org that we could use, but its logic area would
> probably push up the FPGA cost so that the board was in the $100 range.
> Probably more.

Why support legacy VGA? It makes things more complex and expensive, and doesn't
give us much, especially for a SoC.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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