Re: Preloading of textures

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Remi Arnaud (remi++at++remi.asd.sgi.com)
Thu, 16 May 1996 10:32:55 -0700

On May 16, 12:39pm, Stephen Maher wrote:
> Subject: Re: Preloading of textures
>
> We have an Onyx RE2 (5.3) with 2 RM4s. Instead of calling
> istexloaded(), I simply timed (gettimeofday) how long each
> successive texdef/texbind took. (I also actually drew
> the texture to prove to me it was there :) I did NOT use
> TX_FASTDEFINE.
>
> As soon as I hit 4MB of textures - whammo! - about an order of
> magnitude slower - telling me paging had kicked in. (2 RM4's is
> 8MB of textures, supposedly ;).
>

 NO !

 A machine configured with RM4 has 4MB of textures, regardless of the number of
RMs.
 More RM = More Pixel Bandwith, but NO more Texture.

> The kicker was when I tried it on an Onyx RE2 with *1* RM4 (4 MB);
> I got the same results!
>

 You'll have the same results on a 4 RM4 machine. Change for RM5 if you want 16
MB texures.

 -- Remi

-- 




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