By: Montaray Jack (none.delete@this.none.org), August 3, 2016 4:43 am
Room: Moderated Discussions
dglow (nobody.delete@this.nowhere.none) on August 2, 2016 5:08 pm wrote:
> Montaray Jack (none.delete@this.none.org) on August 2, 2016 10:35 am wrote:
> > I think this DirectX implementation of this program is flawed, Christoph Riccio's
> > earlier OpenGL versions definitely showed different patterns. Admittedly, I didn't
> > look at the program, but it might be doing something wrong with atomic counters.
> >
> > http://www.g-truc.net/post-0597.html
> >
> > Haswell, Kepler and Southern Islands are covered in this post.
>
>
> Thank you for this link.
>
> Christoph Riccio writes that "Kepler works using 4 by 8 pixel vertical blocks." If these
> blocks are the same 'rasterization tiles' Mr. Kanter points to in his video, then the thesis
> of Nvidia introducing tile-based rasterizers "starting with Maxwell" is false.
>
> Mr. Kanter, how do you respond? Your news was picked up by Ars Technica and widely disseminated.
>
> Is this a tempest in a teapot?
I misspelled Chrisophe's name above.
An earlier post from 18/12/2011 on the topic, with rasterization patterns of the GeForce GTX 470 and the Radeon HD 5850. He also explains the inspiration for the program came from Cyril Crassin's Froggy FragSniffer program.
http://www.g-truc.net/post-0434.html
http://www.icare3d.org/codes-and-projects/codes/the_froggy_fragsniffer.html
> Montaray Jack (none.delete@this.none.org) on August 2, 2016 10:35 am wrote:
> > I think this DirectX implementation of this program is flawed, Christoph Riccio's
> > earlier OpenGL versions definitely showed different patterns. Admittedly, I didn't
> > look at the program, but it might be doing something wrong with atomic counters.
> >
> > http://www.g-truc.net/post-0597.html
> >
> > Haswell, Kepler and Southern Islands are covered in this post.
>
>
> Thank you for this link.
>
> Christoph Riccio writes that "Kepler works using 4 by 8 pixel vertical blocks." If these
> blocks are the same 'rasterization tiles' Mr. Kanter points to in his video, then the thesis
> of Nvidia introducing tile-based rasterizers "starting with Maxwell" is false.
>
> Mr. Kanter, how do you respond? Your news was picked up by Ars Technica and widely disseminated.
>
> Is this a tempest in a teapot?
I misspelled Chrisophe's name above.
An earlier post from 18/12/2011 on the topic, with rasterization patterns of the GeForce GTX 470 and the Radeon HD 5850. He also explains the inspiration for the program came from Cyril Crassin's Froggy FragSniffer program.
http://www.g-truc.net/post-0434.html
http://www.icare3d.org/codes-and-projects/codes/the_froggy_fragsniffer.html