From: "Krzysztof Helt" <krzysztof.h1@wp.pl>
To: "Antonino A.Daplas" <adaplas@gmail.com>
Cc: linux-fbdev-devel <linux-fbdev-devel@lists.sourceforge.net>
Subject: Re: [PATCH] smart blitter usage for scrolling(cleaned)
Date: Sat, 12 May 2007 08:06:47 +0200 [thread overview]
Message-ID: <46455977350ef@wp.pl> (raw)
In-Reply-To: <4644106cacb67@wp.pl> <1178912517.5017.3.camel@daplas>
Dnia 11-05-2007 o godz. 21:41 Antonino A. Daplas napisa³(a):
>
> #####
> > + if (attr != (c & 0xff00)) {
> > + attr = c & 0xff00;
> > + if (s > start) {
> > + ops->bmove(vc, info, line + ycount, x,
line, x, 1, s-start);
> > + x += s - start;
> > + start = s;
> > + }
> > + }
> #####
>
> The code block above is probably not needed. It just checks if
the
> attribute of the character (ie the color) has changed. This is
required
> for putcs, but is unnecessary for bmove.
>
Please remove it from the patch. It may only speed up scrolling
by blitter.
Regards,
Krzysztof
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prev parent reply other threads:[~2007-05-12 6:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-11 6:42 [PATCH] smart blitter usage for scrolling (cleaned) Krzysztof Helt
2007-05-11 19:41 ` Antonino A. Daplas
2007-05-12 6:06 ` Krzysztof Helt [this message]
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