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NVIDIA Competition 2008 / Fluids

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General Reed
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Posted: 30th Jul 2008 00:34
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Ok, basicly i cant compile and run any of the fluid demos, whenever it attempts to run, the computer actualy freezes. The mouse wont move, numlock etc wont turn off. What is going on here?

CPU: AMD X2 6000+ 3.0ghz GFX: NVIDIA BFG Geforce 8800GTS 640MB OC-550mhz core RAM: 2048mb

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Hoozer
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Location: Bremerhaven (Germany)
Posted: 30th Jul 2008 00:41
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@ General Reed: Seems to me like you found an other bug in DP-fluids! Mike told me the fluids were tested and are working on GeFo-8800-cards! Also most other cards seem to have a problem to display them correctly! (This is the case on my system!)

This won't help you actually, but now you know they normally should work fine! You might ask Mike directly for a tip and tell him your system-specs exactly? (Maybe he has time to look into it?) That's all I can suggest!

Hoozer

AMD64X24800+(939);2GB;GF6800LE (@12PS, 6VS; 380 MHz, RAM: 434 MHz)
DP-Sw-Mode-Comp-Entry (updated to V. 1.4):
http://forum.thegamecreators.com/?m=forum_view&t=109846&b=5&p=0
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General Reed
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Posted: 30th Jul 2008 00:46
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Ok thanks Hoozer

This is a REAL nusance, ive gotta include fluids in me uber entry, but how when they dont work. Lee can u please fix this?

My specs are as shown in my sig

CPU: AMD X2 6000+ 3.0ghz GFX: NVIDIA BFG Geforce 8800GTS 640MB OC-550mhz core RAM: 2048mb

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General Reed
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Posted: 30th Jul 2008 00:57
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Ok Update:-
The fluids work fine with dbp version 6.9, but u cant use shaders with 6.9 because fulstrum culling and fastsync are broken in 6.9. im sorry but WHAT THE HELL? Come on tgc, i dont see how we are supposed to include fluids in our ubers.

If there is a workaround for this, then i would really like to know.

I hope this is fixed in time for us to add fluids to our ubers
:s

-General Reed

CPU: AMD X2 6000+ 3.0ghz GFX: NVIDIA BFG Geforce 8800GTS 640MB OC-550mhz core RAM: 2048mb

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Hoozer
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Posted: 30th Jul 2008 00:59 Edited at: 30th Jul 2008 01:01
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@ General Reed: What graphics-driver-version do you use? I just tried to compile the fluids-demo and my g-card-driver gets reset all the time (and so the demo crashes)! I have the 177.79 Vista-64-beta driver running and PhysX-8.06.16! Before I had the 177.66 and I'm sure the demo compiled but had strange "looking" fluids (=spheres) instead of a smooth surface! Maybe in your case the gc-driver kills your whole system? Maybe an other (older one) graphics-card-driver helps?
(May DB-Pro is 6.9 and DP 1.05!)

Hoozer

AMD64X24800+(939);2GB;GF6800LE (@12PS, 6VS; 380 MHz, RAM: 434 MHz)
DP-Sw-Mode-Comp-Entry (updated to V. 1.4):
http://forum.thegamecreators.com/?m=forum_view&t=109846&b=5&p=0
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General Reed
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Posted: 30th Jul 2008 01:03
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Hmm, ok thanks, i will try an old driver, and report back

-General Reed

CPU: AMD X2 6000+ 3.0ghz GFX: NVIDIA BFG Geforce 8800GTS 640MB OC-550mhz core RAM: 2048mb

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General Reed
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Posted: 30th Jul 2008 01:27
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Ok, ive just tried with older driver 175.19, and it still does not work, just completely freezes

Lee i hope ur reading this!

CPU: AMD X2 6000+ 3.0ghz GFX: NVIDIA BFG Geforce 8800GTS 640MB OC-550mhz core RAM: 2048mb

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BiggAdd
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Posted: 30th Jul 2008 09:46 Edited at: 30th Jul 2008 09:46
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You have to use 6.9 for the new fluids. Mike said this in the update thread.

You're lucky fluids actually work for you.

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General Reed
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Posted: 30th Jul 2008 15:42
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Quote: "You're lucky fluids actually work for you."
, Well maybe but out of graphics, and some simple fluid effects, i think a customer would look more for quality of graphics. Am i not correct?

CPU: AMD X2 6000+ 3.0ghz GFX: NVIDIA BFG Geforce 8800GTS 640MB OC-550mhz core RAM: 2048mb

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BiggAdd
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Posted: 30th Jul 2008 22:17
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We are all having the troubles with update 6.9.

I get that strange camera bug with 6.9 and I can't use fluids. Just be lucky you are able to use the fluids themselves. Lee will most likely fix the bugs you describe if you email him.
Lee was unable to fix the problem I have with fluids (Some ATi cards are a bit funny with the render process).

Quote: "i think a customer would look more for quality of graphics. Am i not correct?"


In a graphics demo yes. However do not forget you are entering a PhysX competition. While you should take pride in the visual style of your game, do not make the physics suffer for a few more shaders.

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General Reed
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Posted: 30th Jul 2008 22:34
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Ok i will email him. Thanks

CPU: AMD X2 6000+ 3.0ghz GFX: NVIDIA BFG Geforce 8800GTS 640MB OC-550mhz core RAM: 2048mb

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BiggAdd
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Posted: 30th Jul 2008 23:28
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Good show.
If you are having trouble with the multiple camera bug. DarkCoder told me of a quick fix you can use:

Set object radius obj,-1

This will stop object disappearing.

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LeeBamber
TGC Lead Developer
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Posted: 31st Jul 2008 19:42
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And also if you are currently getting pixel swim with U6.9, load your images with an additional parameter zero to restore the functionality you experienced with U6.8. Shaders work fine with U6.9 but some shader examples relied on functionality that was modified in U6.9 for increased performance and consistency (i.e. code was removed from FASTSYNC because the SYNC command repeated the code and meant activity was being un-necessarily duplicated). Check out the readme notes in U6.9 for more information on these changes and how they might affect older shader programs.

"Small, smart and running around the legs of dinosaurs to find enough food to survive, bedroom coders aren't extinct after all "
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Mobiius
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Posted: 3rd Aug 2008 14:06
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I can't seem to run fluids in my uber demo, bu I can run the demos provided. (Well, I see lots of plains where the wwater should be)

3700+ Athlon 64 - Geforce 7600 GS - 2GbDDR2 RAM - 40Gb Hdd (In this pc) - Windows Vista Ultimate (x86)
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LeeBamber
TGC Lead Developer
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Posted: 4th Aug 2008 18:35
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The fluid renderer is very new so there will be glitches. Send me your UBER demo (or let me know the filename in the INCOMING FTP area) and a screenshot of what you get on your PC and we can go from there.

"Small, smart and running around the legs of dinosaurs to find enough food to survive, bedroom coders aren't extinct after all "
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