The glamo chip and its future

Carsten Haitzler (The Rasterman) raster at
Sat Jun 28 17:05:43 CEST 2008

On Sat, 28 Jun 2008 12:57:47 +0200 Michael Stather <lists at>

> Couldn't the glamo just be driven with a highter bandwidth, or is this a 
> chipset limitation?

no it can't. we already are seeing performance far beyond anything the glamo's
designers have ever seen. in theory we could get more, but the chipset (glamo
+ samsung 2442 combo) won't be getting that for us. :(

> And if the chip just isn't capable of performing better, what about the 
> idea to have plain framebuffer access only through the processor but 
> include a CLPD/FPGA in the design which may be loaded "on the fly" with 
> a firmware for a simple 3D chip. I was involved in a project of a game 

no possible. too late. phone is shipping. lcd is wired up to the glamo. on-chip
lcd controller is not connected. fpga's are power hungry. not going to happen
on a phone. also tyhe glamo is our interface to the sd-card in the freerunner.

> console, with 2D acceleration only, but IMHO simple 3D acceleration 
> isn't that hard. And this would have the advantage that the 3D core is 
> fully open and can even be improved with optimisations and more features.
> I think through its openness openmoko could also become quite popular 
> for gamers, since there exist many good open-source games which could be 
> ported easily to the platform if there was hardware acceleration (OpenGL 
> ES or even better plain OpenGL). Thinking of consumers, they want fancy 
> 3D effects and games, and since all options nowadays are either j2ME 
> commercial games or smartphones which have all a rather small community 
> or are closed like the iPhone, this could becomne another real advantage 
> of the openmoko platform.
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Carsten Haitzler (The Rasterman) <raster at>

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