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Max Loaded Objects

Started by zyron Jun 24, 2004 at 6:47 PM 4 replies 600+ views

Original Post

Jun 24, 2004 at 6:47 PM

Hi, I am working on a game for school and I load md2 models & 3ds models into the world.. but the problem are, is it any limit on how many objects the opengl can render at once? it sounds stupid to me but when I loads 3 3ds models I can only load 5 md2 models else it crashes, but if I don't load any 3ds models I can have like 25 md2 models if I load more then that it crashes, does this depend on the computer or the loaders?... thx.

zyron

Author

zyron

Jun 24, 2004 at 6:55 PM

one more question. how can I include an pictures in the posts?
special command <...>?

jbadams

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3,228

jbadams

Jun 24, 2004 at 9:14 PM

Quote:

one more question. how can I include an pictures in the posts?

Use regular HTML image tags. People generally dont appreciate larger images though, its best to link to anything decently large. (mostly for the dialup people).

Info on tags that can be used and the like can be found in the forum FAQ.

hplus0603

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3,014

hplus0603

Jun 24, 2004 at 9:18 PM

The only limit that OpenGL or Direct3D would place on object count is based on on-card resources. However, most of the APIs can manage data, so that system memory is the resource limitation that counts, and you're un-likely to run out anytime soon.

Think about it: games use OpenGL or Direct3D. You don't see them crashing after 5 loaded items.

It's very likely there's either a memory corruption/buffer overrun problem in your code, or in the loader libraries you're using. It should be pretty easy to use the debugger to find the bug or bugs, because it sounds like the same crash happens everytime. (I'm assuming you know how to use a debugger to find bugs)

Sr_Guapo

Jun 25, 2004 at 4:45 PM

There is no way a few models will crash your system (assuming they aren't EXTREMELY detailed : > 1,000,000 vertices). Even if each model had, say, 10,000 vertices, times 32 bytes (a common vertex size, it depends though) = 320,000 bytes (312.5 KB). That is nothing It would take over 100 models to fill the memory of a 32 MB card (not including textures). Even if it does fill the V-RAM, it will flow into system RAM, then the hard drives. None of this will crash the computer, it will just go EXTREMELY slow.

Moral of the story: it is most likely a bug...

zyron

Author

zyron

Jun 26, 2004 at 12:27 PM

Hi, thanks for your replys.. I look at the q2 model loader and it have one little bug that i fixed then i loaded like 200 and no problem... but the loader that loads in 3ds i did not font anything .. I have try to make one model using the 5 models i have in the town but when i run the model only 4 objects shows up on the screen. maybe it is an bad loader or something like that. Anyone of you have link were i can find an ohter one?

thx.,

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