From: Alan Third <alan@idiocy.org>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: Eli Zaretskii <eliz@gnu.org>, emacs-devel@gnu.org
Subject: Re: Native image rotation
Date: Sun, 24 Feb 2019 23:00:40 +0000 [thread overview]
Message-ID: <20190224230040.GA67718@breton.holly.idiocy.org> (raw)
In-Reply-To: <jwvy36554wk.fsf-monnier+emacs@gnu.org>
On Sun, Feb 24, 2019 at 03:08:25PM -0500, Stefan Monnier wrote:
> > Actually, I'm not sure I understand the question. What do you mean by
> > "cache does post-rotation"?
>
> I assume that the images go through various steps starting from the
> Elisp image descriptor and finishing with the final on-screen pixels
> being drawn. My question was if, along this "pipeline", Emacs's image
> cache is placed before or after the rotation operation.
The maths for the rotation happen before the cache, the actual
rotation happens after, but should be hardware accelerated. If
hardware acceleration isn’t available, we simply ignore the
transformations.
--
Alan Third
next prev parent reply other threads:[~2019-02-24 23:00 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-24 11:30 Native image rotation Alan Third
2019-02-24 16:14 ` Eli Zaretskii
2019-02-24 17:34 ` Clément Pit-Claudel
2019-02-24 17:49 ` Eli Zaretskii
2019-02-24 18:06 ` Clément Pit-Claudel
2019-02-24 18:28 ` Eli Zaretskii
2019-02-24 18:51 ` Stefan Monnier
2019-02-24 19:13 ` Eli Zaretskii
2019-02-24 19:23 ` Eli Zaretskii
2019-02-24 20:08 ` Stefan Monnier
2019-02-24 23:00 ` Alan Third [this message]
2019-02-25 3:32 ` Eli Zaretskii
2019-02-24 23:22 ` Alan Third
2019-02-25 3:36 ` Eli Zaretskii
2019-02-25 5:11 ` Van L
2019-02-25 13:47 ` Stefan Monnier
2019-02-25 19:21 ` Alan Third
2019-02-26 17:01 ` Daniel Pittman
2019-03-02 13:29 ` Alan Third
2019-05-19 20:29 ` Basil L. Contovounesios
2019-05-20 18:18 ` Alan Third
2019-05-21 20:11 ` Alan Third
2019-06-02 18:11 ` Alan Third
2019-06-02 18:24 ` Lars Ingebrigtsen
2019-06-05 21:39 ` Alan Third
2019-06-06 9:03 ` Andy Moreton
2019-06-06 12:57 ` Eli Zaretskii
2019-05-22 6:45 ` Eli Zaretskii
-- strict thread matches above, loose matches on Subject: below --
2019-02-25 12:48 Evgeny Zajcev
2019-02-25 15:43 ` Clément Pit-Claudel
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