"I can't understand why people are frightened of new ideas.
I'm frightened of the old ones."
- John Cage
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Query FailedRichteralan
Friday, July 2, 2004

Obviously my problem been ignored @ Beyond3D.

If being mature, I'd rather not say the first sentence in your demo description.
Wester547
Friday, July 2, 2004

LOL, pretty persistent to get around nVidia's future-proof shader technology, aren't you humus? That's one damn impressive demo, but keep in mind the jump that Shader Model 2.0/2.x took to Shader Model 3.0 isn't as great as 1.x to 2.0/2.x, just like that jump itself isnt as great as the fixed Hardware T & L pipeline was to the Programmable Shaders introduction, so especially with Shader Model 2.x(the enhanced iteration with 2.0 used with the nVidia GeForce FX and ATi Radeon X800 series), this demo is still very possible.
Anonymous
Friday, July 2, 2004

nVidia owns ATI this time round...
g__day
Friday, July 2, 2004
Once again Humus - very impressive!
Da3dalus
Friday, July 2, 2004

Very nice demo, Humus
sqrt[-1]
Friday, July 2, 2004

Not that I don't consider this a good demo but I think you should have included it in a "real world" scenerio. (ie by using scissoring etc.)

I also question how good this would be if you had to do multiple if statements (or even a loop)

JustJess:
http://www.microsoft.com/whdc/winhec/partners/shadermodel30_NVIDIA.mspx

When Humus can hack a texture lookup in a vertex program THEN I'll really be impressed.

I hope this is not the start of a trend of demos trying to bash Nvidia....

Anonymous
Friday, July 2, 2004

Erm, hasn't this technique been around for a while? I don't see how this is bad for Nvidia when the same method can be applied to Nvidia cards as well as ATI cards, especially when real dynamic branching is only a small part of SM3.0 (and can't both this and Dynamic Branching be used at the same time, even if some instructions would be redundant?). I'd like to see real Dynamic Branching support added to the demo so we can compare the two methods, and to see what happens when you use both at once.
Just Jess
Friday, July 2, 2004

Poor anony,
No ones trying to kill Nvidia but this demo does sort of squash their you can only get the speed via PS3 claims. As far as I was aware the main thing PS2 vs PS3 is that 3 can do the same as 2 but faster and here we have a demo that shows PS2 if done right can be just as fast. I don't really recall reading anywhere that PS3 added "NEW" features.

Thx for the Demo. I find em very informative so keep it up
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