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From: Pavel Machek <pavel@ucw.cz>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Jiri Slaby <jirislaby@gmail.com>,
	johann deneux <johann.deneux@gmail.com>,
	Linux kernel mailing list <linux-kernel@vger.kernel.org>,
	linux-input@atrey.karlin.mff.cuni.cz,
	Anssi Hannula <anssi.hannula@gmail.com>
Subject: Re: FF layer restrictions [Was: [PATCH 1/1] Input: add sensable phantom driver]
Date: Fri, 16 Mar 2007 16:28:59 +0000	[thread overview]
Message-ID: <20070316162858.GB3951@ucw.cz> (raw)
In-Reply-To: <d120d5000703140802jb48bc74tbbe7ee2b120b1798@mail.gmail.com>

Hi!

> >Why did you remove all Cced people? Anyway I filtered 
> >some of them out
> >
> >johann deneux napsal(a):
> >> You are right, the direction in ff_effect is meant to 
> >be an angle.
> >> A dirty solution would be to use the 16 bits as two 
> >8-bits angles. Or
> >
> >That would be a problem as I need 3x 16bits.
> >
> >> maybe we should change the API. I don't think there 
> >are many
> >> applications using force feedback yet, so maybe that 
> >should be ok?
> >>
> >> If we change the API, we should remove the assumption 
> >that a device has
> >> at most two axes to render effects. We could for 
> >instance have a
> >> magnitude argument for each axis which is capable of 
> >rendering effects.
> >> That might be necessary even for more common gaming 
> >devices like racing
> >> wheels: One can think pedals could also be capable of 
> >force feedback
> >> some day, not just the steering wheel.
> >
> >I can do that, but in that case, I need to know how 
> >people (especially those
> >input one) want me to do...
> >
> 
> Since we have no idea how many programs (if any) are 
> using force
> feedback interface I would be wary of changing existing 
> effcets and
> rather add new set of 3D effects.
> 
> Do we have any idea if there any users of FF out there?

Number of linux games is quite low, so...

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  parent reply	other threads:[~2007-03-16 16:34 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-07 11:36 [PATCH 1/1] Input: add sensable phantom driver Jiri Slaby
2007-03-07 14:47 ` Dmitry Torokhov
2007-03-07 16:38   ` Jiri Slaby
2007-03-07 16:50     ` Greg KH
2007-03-07 16:56     ` Dmitry Torokhov
2007-03-13 16:19       ` Jiri Slaby
     [not found]         ` <38b3b7c0703131450v2646e63fj2be4b9dda7f928c0@mail.gmail.com>
2007-03-13 22:16           ` FF layer restrictions [Was: [PATCH 1/1] Input: add sensable phantom driver] Jiri Slaby
2007-03-14 15:02             ` Dmitry Torokhov
2007-03-14 16:43               ` Jiri Slaby
2007-03-14 16:45                 ` Jiri Slaby
2007-03-14 18:04                 ` Anssi Hannula
2007-03-14 18:15                   ` Jiri Slaby
     [not found]                   ` <8e4ff20a0703141147n4b690ab8g4cc8138d1ecc94e1@mail.gmail.com>
2007-03-14 19:12                     ` STenyaK (Bruno González)
2007-03-14 19:13                     ` Dmitry Torokhov
2007-03-14 19:18                       ` STenyaK (Bruno González)
2007-03-15 20:51                         ` johann deneux
2007-03-15 21:06                           ` STenyaK (Bruno González)
2007-03-21 13:31                         ` Jiri Slaby
2007-03-21 13:32                           ` Jiri Slaby
2007-03-21 19:02                           ` johann deneux
2007-03-21 19:22                             ` Dmitry Torokhov
2007-03-21 20:04                               ` Jiri Slaby
2007-03-21 22:03                                 ` johann deneux
2007-03-22 15:50                                   ` Dmitry Torokhov
2007-03-27 12:20                                     ` Jiri Slaby
2007-03-27 18:36                                       ` johann deneux
2007-03-27 20:11                                         ` Jiri Slaby
2007-03-27 20:43                                           ` johann deneux
2007-03-27 20:51                                             ` Jiri Slaby
2007-03-27 21:34                                               ` johann deneux
2007-03-28  3:08                                                 ` Dmitry Torokhov
2007-03-28  9:28                                                   ` Jiri Slaby
2007-03-28 22:16                                                   ` Jiri Slaby
2007-03-28 22:22                                                     ` Jiri Slaby
2007-03-30 16:46                                                       ` Dmitry Torokhov
2007-03-30 19:11                                                 ` Anssi Hannula
2007-03-15 20:43                       ` johann deneux
2007-03-16 16:28               ` Pavel Machek [this message]
2007-03-17  7:28                 ` johann deneux

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