Hi, On 15 October 2015 at 09:32, Jonas Ådahl <jad...@gmail.com> wrote: > On Thu, Oct 15, 2015 at 09:16:14AM +0100, Daniel Stone wrote: >> On 15 October 2015 at 04:56, Jonas Ådahl <jad...@gmail.com> wrote: >> > On Thu, Oct 08, 2015 at 12:15:10PM -0500, Derek Foreman wrote: >> >> Perhaps I should read what's in phabricator before I continue to >> >> comment, though. >> > >> > Hmm. I can't find it any more. It was in the fdo phabricator task >> > <https://phabricator.freedesktop.org/T1> but all those comments are no >> > longer there. I have no idea why. >> >> Hmm, is it in the individual commits for review? >> >> e.g. https://phabricator.freedesktop.org/D13 > > "You Shall Not Pass: Restricted Differential Revision"
Oops. Given that was the first revision (D1!) ever in there, it was against an old repository import that I later junked. Phabricator got confused since it partly inherits the permission from the repository - fixed now. As you can probably guess from all the spam in your inbox ... >> > I wonder if we should put "wl_double_fixed" in wayland/ and declare that >> > an "official mutli part type" thing so we don't have to reimplement the >> > awkward from/to functions all over the place. Maybe even >> > a wl_double_fixed_t type as was suggested at an earlier point? >> >> I'm still a bit uneasy on the actual need for this: wl_fixed_t gives >> us 1/256th-pixel precision. Is that not enough? Surely changes less >> than that cannot affect the viewport, so why would we spam clients >> with them rather than accumulating internally and sending when it >> passes the threshold? Is it just about implementing acceleration on >> the client side? > > For absolute motions I agree. For relative, I don't know. I'm no high > end gaming device expert (or where high precision might be relevant) > There were discussions about this before that resulted in changing > from ms to us timestamps and from 32 bit to 64 bit fixed for deltas, > because we didn't want to pretend to be sure that the precision we had > was definitely enough for all relative pointer use cases. Ack, fair enough. Anyone? Cheers, Daniel _______________________________________________ wayland-devel mailing list wayland-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/wayland-devel
