Date: Wed, 25 May 2005 13:36:15 +0800 From: Xin LI <delphij@delphij.net> To: Eric Kjeldergaard <kjelderg@gmail.com> Cc: Jeremie Le Hen <jeremie@le-hen.org>, freebsd-current@freebsd.org, delphij@freebsd.org Subject: Re: [CALL FOR TESTERS] VESA High Resolution Console support from DragonFly Message-ID: <1116999375.731.7.camel@spirit> In-Reply-To: <d9175cad05052421282f757528@mail.gmail.com> References: <20050522112612.GA37841@frontfree.net> <20050523003843.GO850@obiwan.tataz.chchile.org> <1116815005.838.3.camel@spirit> <d9175cad05052421282f757528@mail.gmail.com>
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--=-VjWMJfzYjdDfrTH76MYS Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi, Eric, =E5=9C=A8 2005-05-25=E4=B8=89=E7=9A=84 13:28 +0900=EF=BC=8CEric Kjeldergaar= d=E5=86=99=E9=81=93=EF=BC=9A > 2005/5/23, Xin LI <delphij@frontfree.net>: > > Hi, Jeremie, > >=20 > > =1B$B:_=1B(B 2005-05-23=1B$B0lE*=1B(B 02:38 +0200=1B$B!$=1B(BJeremie Le= Hen=1B$B<LF;!'=1B(B > > [snip] > > > One question however : is it supposed to consume more CPU than classi= cal > > > non-VESA text mode ? > >=20 > > I think so, it should consume more CPU than classical text mode console > > since it draws characters, rather than giving the responsibility to the > > video card. A possible optimization would be to map the video card > > memory into the space. >=20 > Tested on my Thinkpad R40 : Radeon 7500. Is it supposed to consume a > LOT of cpu? Perhaps there's something funny with -O2 or similar > because some things are VERY slow. I have not, however, noticed any > major bugs, but screen redraws will take ~1 second if the screen is > not cleared and thus causes powerd to kick my processor up to full > speed often. Also, the screensaver (logo_saver) seems to take a while > to display. The screen goes black for 10 - 15 seconds before the > screen saver displays. Through all this, though, it's still so worth > it. Yes, it requires more CPU cycles if you use raster mode. Does it also slow down your console if you are running under text mode? I hope not :-) Cheers, --=20 Xin LI <delphij delphij net> http://www.delphij.net/ --=-VjWMJfzYjdDfrTH76MYS Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQBClA7P/cVsHxFZiIoRAjGPAJ9FJInxDSUkLwRpNkAWjAPyg/0R1ACcDCJn TvVy50CtqQhUKO8Ti2zCKjo= =bRzw -----END PGP SIGNATURE----- --=-VjWMJfzYjdDfrTH76MYS--
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