Am 07.08.2014 14:30, schrieb Neil Roberts: > Kristian Høgsberg <k...@bitplanet.net> writes: > >> That's a great reference image. Do you have a version of the image >> compressed with nVidias online compressor? > > I finally got access to an NVidia card last night so I've added an image > from their online compressor to the bottom of that page. > > https://urldefense.proofpoint.com/v1/url?u=http://busydoingnothing.co.uk/doge/&k=oIvRg1%2BdGAgOoM1BIlLLqw%3D%3D%0A&r=F4msKE2WxRzA%2BwN%2B25muztFm5TSPwE8HKJfWfR2NgfY%3D%0A&m=CGSAZSTw9Un5ItoSGQ8sSdQn8W9K0TvyiPG2a5VuGBY%3D%0A&s=5d3b47158c2e45f532200334cb2e6a584fc16a357f259e25113089e6052d3e43 > > Apparently NVidia's driver is powered by some sort of magic because it > looks indistinguishable to my eye compared to the original image and it > took no noticeable time to compress. I zoomed in on it with the Gimp to > verify that it is actually different, and it is a little bit. > > Changing the compressor hint makes no difference and the resulting image > is byte-for-byte identical.
If it is computationally intensive, maybe they are doing it on the gpu? Though I guess in this case the time would be different if you'd run it on a GT 520 or a GTX 780 :-). Roland _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
