"Pierre-Loup A. Griffais" <[email protected]> writes: > On 09/11/2012 10:43 AM, Søren Sandmann wrote: >> "Pierre-Loup A. Griffais"<[email protected]> writes: >> >>> I'm not very familiar with bicubic interpolation, but couldn't it be >>> achieved using the 'convolution' filter with the adequate kernel? >>> (possibly in several passes at different scales). AFAIK 'convolution' >>> is always provided and often accelerated. >> >> The convolution filter in Render only allows one phase of the filter to >> be used, so the quality of bicubic interpolation implemented that way >> would be terrible. >> >> As an aside, a bunch of code could be deleted if we removed the ability >> for drivers to provide their own filters. As far as I know, no driver >> has ever done this. I have an old branch here: > > One of the items of my (long) list of things to do is to expose > anisotropic filtering to RENDER, so it'd be cool if that didn't get > removed.
I am unlikely to do anything about this for the forseeable future, and I doubt anyone else cares. Though my opinion would be that it would be better to add anisotropic filtering to Render as a standard filter with a software fallback instead of as an NVIDIA specific one. Søren _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
