"Rydermark" Cheating Allegations Discredited
Anh Tuan Huynh
July 19, 2006 4:54 AM
comment(s) - last by
An alleged screen capture of the ATI version of Rydermark (saved and reposted to preserve metadata)
An alleged screen capture of the NVIDIA version of Rydermark (saved and reposted to preserve metadata)
A difference map of the two images
"Rydermark developers" make bold claims which turn out to be nothing more than a Photoshop hoax
It would appear
was quick to jump the gun on a story
accusing NVIDIA of lying about full DirectX 9 support
. The story accused NVIDIA of not allowing developers to use 24-bit or 32-bit shader precision. Instead it claims NVIDIA forces developers into using 16-bit shader precision as the technique is faster. This is a problem as DirectX 9 compliancy requires 24-bit shader precision or better. "Rydermark" is not a commercially shipping application yet, and has had very little information published to confirm its authenticity.
The original story lacked any type of physical evidence and
claimed its sources were developers for the program.
Images allegedly proving that NVIDIA forces developers into using 16-bit shader precision were posted on
. The posted images compared a rendered scene in Rydermark 2006 between
It turns out the images "proving" NVIDIA’s wrongdoings were nothing more than poorly done Photoshopped images. The NVIDIA rendered image appeared to have blurrier water while the ATI rendered image had sharper water detail. However, the ATI rendered image just didn’t look right with poor cut offs and a creation date three minutes after the NVIDIA rendered image. A difference image of the two JPG files can be seen to the right, with the outline of the modified area clearly visible in the ATI image. This would suggest the NVIDIA image was the original source image, and that the ATI version was modified afterwards.
A difference of the metadata from both images reveals that the NativeDigest delimiter is identical for both images, but has two different InstanceIDs. This would be consistent with an image that was modified and saved twice. In the author's defense, images that are created and saved on his computer have distinct metadata tags that are very easily identifiable. These are not present in the two images supplied by
for "Rydermark" -- suggesting the images may not have been modified by the author.
There’s been an outcry of
images on various forums including
something resembling a rebuttal to this article
. Incredibly, a user from the
forums managed to track down some of the stock art used in the screen renders, and believes
the entire image is actually fraudulent
This article is over a month old, voting and posting comments is disabled
RE: Dailytech are Nvidia/Apple shills anyway
7/20/2006 7:32:09 PM
Here's another good discussion about the images, which follow along my own initial thoughts.
The whole rendering looks like it was constructed using 2D images of the building faces, and most obvious, the people. They completely look like sprites to me. Some people in that thread even found openly available images that look extremely likely to be the source for the "render".
There is an even an analysis of this Rydermark's previously released screenshot, where there is clearly something not right about the reflection in the water.
The sharpening brush is PLAINLY obvious, and now the entire benchmark is suspect at even stressing any 3D capability whatsoever with what looks to be mostly "3D" appearing 2D textures.
I hardly read the Inquirer, but my god, this is the worst journalism I've ever seen. Not to mention the response attack from the Inq. Inq has no credability with me at all, and this Fuad guy should clearly not be a journalist. Funny how this all happened the day after I watched the movie "Shattered Glass".
"It's okay. The scenarios aren't that clear. But it's good looking. [Steve Jobs] does good design, and [the iPad] is absolutely a good example of that." -- Bill Gates on the Apple iPad
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