"A ship in the harbor is safe, but that is not what ships are built for."
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Query Faileddavepermen
Monday, June 2, 2003

looks really pretty. there are some black pixels at edges of some triangles, though..
Mnemonic
Wednesday, May 28, 2003

To be more precise, every demo utilising ARB_vertex_buffer_object extension crashes ?
(On my video card...)

What seems to be the problem ?
Mnemonic
Wednesday, May 28, 2003

This code breaks on Gigabyte ATI Radeon 9000.
It reports :
Unhandled exception at 0x6931e180 in InfiniteTerrain.exe: 0xC0000005: Access violation reading location 0x00000030.
in atioglxx.dll

I've tried several other demos (including my code), but it always crashes on same place.

I have Catalyst 3.4 drivers installed.

Also demo work fins on GF4 Ti42000, same exe without any modifications (Detonator 44.35).

Where's the problem ?
Doomtrooper
Wednesday, May 28, 2003

Humus as usual speaks words of the wise...well done.
Humus
Tuesday, May 27, 2003

The save would be in storage space and bandwidth, though maybe not so much in transform rate if you're truforming it up to the same amount of polygons as the original hires mesh. However, you don't really need to have that many polygons to get a good silhouette. For games you hardly need to care about the silhouette at all.
hornet
Tuesday, May 27, 2003

Truform eh? How would you have truform added to just the silhuette?
I suppose you could split the object into a silhuette-, front- and back- part each frame, rendering only the silhuette using truform... but otherwise wouldn't you end up subdividing the whole thing, gaining nothing (bump+truform = same amount of triangles)?
dirk
Monday, May 26, 2003

Concerning silhouettes: there was a paper at SIGGRAPH 2002 about that. Take a look at http://people.deas.harvard.edu/~pvs/research/silclip/ if you're interested. The basic idea is to built a helper tree to quickly find the silhouette and use stencil to cookie-cut the model to it. Doesn't work with interior silhouettes, but in general looks quite nice.
BlackSilver
Sunday, May 25, 2003

I personally don't agree with Nvidia decision, but I don't think that is so bad. The clipping planes question is very bad, but there isn't so sad since there isn't really gameplay on 3DMark, so there isn't anything that will be render slower than the benchmark, because don't exist a really game

Anyway, is unfair because ATI doesn't do the same thing

But in relation to the reorganization of the code I don't see anything wrong. This is the compiler driver job.
The remake of the code I think that should be unfair, but isn't really wrong since the 3DMark code never was fair with any Nvidia card.
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