Path: chuka.playstation.co.uk!news
From: "Peter" <cybersmurf@btinternet.com>
Newsgroups: scee.yaroze.freetalk.english
Subject: Re: Texture Pages...er...what are they?
Date: Tue, 13 Feb 2001 15:32:57 -0000
Organization: PlayStation Net Yaroze (SCEE)
Lines: 93
Message-ID: <96bjt6$dd2@www.netyaroze-europe.com>
References: <969fm2$7e2@www.netyaroze-europe.com> <969p36$bhl3@www.netyaroze-europe.com> <969s5f$bhl4@www.netyaroze-europe.com> <96bcjm$k0d1@www.netyaroze-europe.com> <96bg2i$k0d3@www.netyaroze-europe.com>
Reply-To: "Peter" <cybersmurf@btinternet.com>
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Thanks for jogging my memory mate, thats the description I was after. Hugz
Pete

"Matt Verran" <mverran@btinternet.com> wrote in message
news:96bg2i$k0d3@www.netyaroze-europe.com...
> the U value needs to be on an even number if the image you are loading is
8
> bit, or divisable by 4 if you you are using 4-bit. The same applies to the
> width of the image.  This is because the texture page works in 16bit by
> default so you cant specify location between the 16 bit boundary without
> weird results.
>
> Basically when you assign a sprite to a graphic in vid ram you just
specify
> the texture page, the sprites U and V values say where on the texture page
> it is located and Height and Width designate it's size.
>
> I think all this is right :)
> MattV
>
> Tones <tony@webbed-fingerz.co.uk> wrote in message
> news:96bcjm$k0d1@www.netyaroze-europe.com...
> > Hi Pete,
> >
> > I vaguely remember that the U + V coordinates need to be on even numbers
> (or
> > was it just the U coordinate?)  I can't quite recall (as I am just
> starting
> > up again), but I do remember mucking up my sprites when I used odd
> > alignments.
> >
> > Hope this helps - let me know if I'm correct!
> >
> > Cheers,
> >
> > Tones
> >
> >
> >
> > "Peter" <cybersmurf@btinternet.com> wrote in message
> > news:969s5f$bhl4@www.netyaroze-europe.com...
> > > Cheers Matt, I remember that there were some rules about the alignment
> of
> > > sprites in these pages but I can't remember what they are. Could you
> > > enlighten me further.
> > >
> > > Much Hugz, Pete
> > >
> > > "Matt Verran" <mverran@btinternet.com> wrote in message
> > > news:969p36$bhl3@www.netyaroze-europe.com...
> > > > well basically they are the PSX videomemory.
> > > >
> > > > Theres 16x2 pages and each page is 64x256 16bit pixels big (or
128x256
> > > 8bit
> > > > pixels or 256x256 4bit pixels). The texture pages are used to build
> the
> > > > current screen as well as store all your graphics.
> > > >
> > > > MattV
> > > >
> > > > Peter <cybersmurf@btinternet.com> wrote in message
> > > > news:969fm2$7e2@www.netyaroze-europe.com...
> > > > > Hi Guyz,
> > > > >
> > > > > Its been a long long time since I coded for the little
> black...ahem...
> > > and
> > > > > I've totally forgotten what texture pages are all about. In fact
the
> > > only
> > > > > thing that I can remember is that I need to know about them.
> > > > >
> > > > > Could someone take pity and jog an old man memory or let me know
of
> > any
> > > > > useful links?
> > > > >
> > > > > Hugz, Peter
> > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > >
> > >
> >
> >
>
>