Updated Dawn OpenGL Wrapper

Dom · Jul 1, 2003, 04:40 AM

Some of you might have noticed that when you're running the Dawn demo on your Radeon, Dawn doesn't have eyelashes. We recently received a new version of the wrapper which fixes that, and got a few additional comments from "The Guy" on how the wrapper works:

How it is done.
NV programs are parsed and tokenized then ARB programs are generated.
It is mostly straightforward instruction to instruction mapping.

Fragment programs in Dawn are short, mostly FX12 and no sweat for R300.
Reads from normalization cube map are detected and replaced with DP3/RSQ/MUL.
It improves quality because it removes graininess. Speedwise its about the same,
look at JC comments.

Vertex programs in Dawn are quite long, use lots of matrices, array
addressing and many vertex attributes. They map extremely well from NV to ARB,
even some ARB GL tokens have the same value as NV tokens.

Download the updated wrapper

You can learn more about the "ATI Dawning" patch, its system requirements, installation and compatibility information, and check out a few screenshots in the original article.

~~craig588~~ · Jul 1, 2003, 04:47 AM

But it still cant run the cool truck rusting demo can it? Thats the one I was interested in.

The_Neon_Cowboy · Jul 1, 2003, 07:03 AM

yea what about the other demos

Dyre Straits · Jul 1, 2003, 08:37 AM

Is there ever going to be a patch that allows it to run on older Radeons? (Like my 8500?)

Dom · Jul 1, 2003, 08:42 AM

Quote:

Originally posted by Dyre Straits
Is there ever going to be a patch that allows it to run on older Radeons? (Like my 8500?)

No. You must have a DirectX 9 compatible card.

Dyre Straits · Jul 1, 2003, 08:46 AM

Quote:

Originally posted by Dom
No. You must have a DirectX 9 compatible card.

Thanks, I just recall a few years ago when the Rage128 Demo came out. It would run only on RAGE128 cards. After it's newness wore off, it was made so that any video card could run it. I was thinking that perhaps the same thing might come about with this demo.

phoenixphylok · Jul 2, 2003, 10:48 PM

There is a difference with this demo, it's a DX9 demo, using things that only a DX9 card can do, unless you run all the computations in software, using the CPU. Nvidia did that to where people could see the dawn demo on their Geforce4's, but it was slow as HELL. So Chances are slim to none that non DX9 card users will ever be able to watch it themselves.

Jul 1, 2003, 04:40 AM	#1
Dom DriverHeaven Extreme Member Join Date: Jun 2002 Posts: 12,940 Rep Power: 0	Updated Dawn OpenGL Wrapper Some of you might have noticed that when you're running the Dawn demo on your Radeon, Dawn doesn't have eyelashes. We recently received a new version of the wrapper which fixes that, and got a few additional comments from "The Guy" on how the wrapper works: How it is done. NV programs are parsed and tokenized then ARB programs are generated. It is mostly straightforward instruction to instruction mapping. Fragment programs in Dawn are short, mostly FX12 and no sweat for R300. Reads from normalization cube map are detected and replaced with DP3/RSQ/MUL. It improves quality because it removes graininess. Speedwise its about the same, look at JC comments. Vertex programs in Dawn are quite long, use lots of matrices, array addressing and many vertex attributes. They map extremely well from NV to ARB, even some ARB GL tokens have the same value as NV tokens. Download the updated wrapper You can learn more about the "ATI Dawning" patch, its system requirements, installation and compatibility information, and check out a few screenshots in the original article.

Jul 1, 2003, 07:03 AM	#3
The_Neon_Cowboy HardwareHeaven Extreme Member Join Date: Dec 2002 Location: U.S.A. Posts: 16,009 Rep Power: 90 System Specs	yea what about the other demos __________________

Jul 1, 2003, 04:47 AM	#2
~~craig588~~ Banned Join Date: Nov 2002 Location: In clothing Posts: 3,510 Rep Power: 0	But it still cant run the cool truck rusting demo can it? Thats the one I was interested in.

Jul 2, 2003, 10:48 PM	#7
phoenixphylok Mega-Lurker Join Date: Oct 2002 Posts: 44 Rep Power: 0	There is a difference with this demo, it's a DX9 demo, using things that only a DX9 card can do, unless you run all the computations in software, using the CPU. Nvidia did that to where people could see the dawn demo on their Geforce4's, but it was slow as HELL. So Chances are slim to none that non DX9 card users will ever be able to watch it themselves.