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


Geert Uytterhoeven wrote:
> 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.

To you. But if you are the only customer, that doesn't make for very
large sales volumes.

>
>
>>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.

It's all about console support in a PC.

BTW, What is SoC?

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