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3 Dimensional Chat / how many textures can i use in a scene

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Lascerus
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Posted: 1st May 2004 16:48
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I'm making a low poly character kit but i need to know how many textures i can use in a scene to prevent slowdowns and what sizes your number refers to.e.g. 10 textures 128*128 size. Im looking at a geforece 2(32mb), 1 Ghz type, graphics card, about 128mb ram...
I'm actually doing it for my game...but I will do extra characters for assistance. Oh...ummm....could you include bump and opacity maps in your count and say if you included it please...thanks!!!

Stiyyiille
A concept of greatness
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MikeS
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Posted: 1st May 2004 18:08
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Why can't you just test yourself? You're the one who'll be able to best anwser your own question because you're the designer.

If you want your program to run at 30FPS and will be happy with it, then you can probebly afford more textures and perhaps a bump map.

If you want your program to run at a steady 60FPS then you'll need to use less and smaller textures, and may be able to get away with some special texture maps.

My current level editor uses 3 different 256x256 textures to tile 1001 objects. The key is, I only update the textures when I need to(when the tile is raised), so the program will run faster rather than updating the texture data every second. It currently runs around 30FPS. (There's a lot more than texture data going around though )

So it really depends on how you're designing your program and what speed you want to achieve.



A book? I hate book. Book is stupid.
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Lascerus
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Posted: 1st May 2004 18:24 Edited at: 1st May 2004 18:27
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i was wondering about slower machines cause i have 2.0ghz, 768mb ram ddr 266, geforce fx 5200 128mb, so ts kinda hard to do a compatibility test on a machine with those specs cause the fx engine has superior texture and shader handlers to even that of the geforce 4..far superior...thats the only reason I asked. cause I can't really test it. but i guess I'm going to just keep it as little as possible.
Quote: "Im looking at a geforece 2(32mb), 1 Ghz type, graphics card, about 128mb ram..."

p.s. if it helps my levels are only viewd at one angle like in the old 2d games i did this to make graphics design simpler plu I wouldn't have to texture faces that arent scene. I'm also making an online game and I want to keep it as optimised as possible. Thanks for the help

Stiyyiille
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AlecM
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Posted: 1st May 2004 23:01 Edited at: 1st May 2004 23:02
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you can use more than 3 256x256 textures. It really does depend on you target hardware. But look at any half-life level, those had something like 15 or 20 256x256 textures and lots of smaller detail textures. I think these days you can easily put 10-15 512x512s in a level. also you can easily scale them down later and provide another set for lower end hardware. A 512x512 bitmap is about 768k... Just do the math.


The Flag: hate to burst your bubble but the FX 5200 is not supperior to a geforce 4 TI (or MX480). The geforce 4TI 4400 and 4600 were 4 pipeline cards while the FX5200 has only 2 pixel pipelines. The FX5200 is really just a better geforce4 MX.

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Lascerus
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Posted: 2nd May 2004 04:15
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really? man i need to get some better books...thanks alot.

Stiyyiille
Celeron 2.0 Ghz, p4 titan mboard, Geforce fx 5200 128mb, 768mb ram
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2kilo
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Posted: 2nd May 2004 04:42
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I tend not to worry too much about texture sizes, speed etc...
By the time I finish a project the average PC will be at least 5ghz?
One thing I do is create textures fairly high res, and archive as masters, re-sizing is easy, especially when you can automate photoshop to do the job... Could have a low and high res character kit?
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MikeS
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Posted: 2nd May 2004 04:54
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Oh yes, you can definitly use more than 3 256x256 textures.

I was just using that as an example. It'll be up to you to determine what texture sizes fit best once your program is running, and you'll be best able to tweak it.

Like Froggermon said, you'd probebly be safe with 10 512x512 textures runningr over 60 FPS on a 1ghz machine.



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Lascerus
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Posted: 2nd May 2004 07:06
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Thank you all so much.. I guess i was over worried...I was using 64*64 and 128*128..lol . So theres lots of room.

Stiyyiille
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