[GEM-dev] Re: [PD] Gem Win

IOhannes m zmoelnig zmoelnig at iem.at
Wed Mar 10 16:40:09 CET 2004


timon botez wrote:
> 
> Do you mean that it wont be possible with current library? Whats the 
> reason for not getting OpenGL acceleration when doing this? Would it be 
> possible for my developer to write such addition based on the hardware 
> spec? I appreciate your response.

the problem is not openGL-specifique.
it is rather a problem with the hardware.

in those early days, when the first dual-head gamer's graphics-cards 
with hw-openGL-acceleration where sold, you would often get 
hw-acceleration only on the first head.
so you couldn't really do dual-head gem (at least not with a reasonable 
performance).
nowadays, dual-head cards normally (?) support hw-acceleration on both 
heads.

anyhow, i have no idea how it is with "many-head" cards (like 8 or 16)
but i guess these cards will not have openGL-hw-acceleration at all (or, 
if they do, all heads will be supported, since i don't think that 
anybody would buy such a card, to only play doom on the first screen and 
watch the stock exchange indices on all the other monitors...)

but it all depends on the specs of the card.


probably it would be simpler to connect a bunch of computers (via 
netsend/netreceive) rather than have everything done on one machine.


and i guess, if you could get 4 or more multi-head geforce (radeon ?) 
cards (1 agp and 3 pci) to work in one computer (which *would* be 
possible, i guess; but you might experience irq-problems soon), you will 
get hw-acceleration everywhere.


mfg.a.sdr
IOhannes





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