From: Haakon Riiser <haakon.riiser@fys.uio.no>
To: Linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: Accelerated frame buffer functions
Date: Wed, 2 Feb 2005 15:21:55 +0100 [thread overview]
Message-ID: <20050202142155.GA2764@s> (raw)
In-Reply-To: <Pine.LNX.4.61.0502020900080.16140@chaos.analogic.com>
[Dick Johnson]
> On Wed, 2 Feb 2005, Haakon Riiser wrote:
>
>> How can I use a frame buffer driver's optimized copyarea, fillrect,
>> blit, etc. from userspace? The only way I've ever seen anyone use
>> the frame buffer device is by mmap()ing it and doing everything
>> manually in the mapped memory. I assume there must be ioctls for
>> accessing the accelerated functions, but after several hours of
>> grepping and googling, I give up. :-(
>
> X-Windows already does this.
Yeah, I thought the X11 fbdev driver supported acceleration, but not
according to its manpage:
fbdev is an Xorg driver for framebuffer devices. This is a
non-accelerated driver [...]
--
Haakon
next prev parent reply other threads:[~2005-02-02 14:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-02 13:31 Accelerated frame buffer functions Haakon Riiser
2005-02-02 14:04 ` linux-os
2005-02-02 14:21 ` Haakon Riiser [this message]
2005-02-02 15:11 ` Xavier Bestel
2005-02-02 15:41 ` Haakon Riiser
2005-02-02 16:25 ` Jon Smirl
2005-02-02 17:45 ` Haakon Riiser
2005-02-02 19:35 ` James Simmons
2005-02-02 19:38 ` Geert Uytterhoeven
2005-02-02 20:08 ` Haakon Riiser
2005-02-03 8:36 ` Helge Hafting
2005-02-02 19:31 ` James Simmons
2005-02-02 15:50 ` Gábor Lénárt
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20050202142155.GA2764@s \
--to=haakon.riiser@fys.uio.no \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.