lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20110915223124.7c24e6bb@lxorguk.ukuu.org.uk>
Date:	Thu, 15 Sep 2011 22:31:24 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Florian Tobias Schandinat <FlorianSchandinat@....de>
Cc:	Keith Packard <keithp@...thp.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, linaro-dev@...ts.linaro.org,
	"Clark\, Rob" <rob@...com>, Archit Taneja <archit@...com>
Subject: Re: Proposal for a low-level Linux display framework

> Okay, I see your problem. It's a bit strange you don't have acceleration. I

The hardware has 3D acceleration but not open so we can't support it.
There is no 2D acceleration - which seems to be increasingly common.

At some point I'll add hardware scrolling however by using the GTT to
implemnent scroll wrapping.

> sound like a big problem to me, but pretty inefficient, so probably copying the
> existing ones and adjusting it to your needs would be preferred (just like the
> sys* implementations exist).

I did have a look at the current ones but fixing them up given scan lines
can span page boundaries looked pretty horrible so I deferred it until I
feel inspired.

Alan
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ