Messages in this thread | | | Date | Mon, 02 Feb 2004 12:13:26 -0500 | From | Timothy Miller <> | Subject | Re: [OT] Crazy idea: Design open-source graphics chip |
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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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