From: "Antonino A. Daplas" <adaplas@hotpop.com>
To: "Ville Syrjälä" <syrjala@sci.fi>,
linux-fbdev-devel@lists.sourceforge.net
Subject: Re: Re: [Question] Colour management
Date: Sun, 1 Aug 2004 05:19:57 +0800 [thread overview]
Message-ID: <200408010519.58517.adaplas@hotpop.com> (raw)
In-Reply-To: <20040731133129.GA12797@sci.fi>
On Saturday 31 July 2004 21:31, Ville Syrjälä wrote:
> >
> > red_reg[index * 8] = red
> > green_reg[index * 8] = green
> > blue_reg[index * 8] = blue
> >
> > Some hardware require that all 8 entries needs to be filled up.
>
> I noticed you do this in i810fb. What happens if you don't do this?
Wrong colors.
>
> AFAIK mach64 doesn't need this.
Yes, it's hardware dependent. When I decided to add directcolor support,
I initially copied the mach64's setcolreg function but I got wrong
colors at bpp16. Found out by experimentation that I need to set all
256 entries of the CLUT.
Tony
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next prev parent reply other threads:[~2004-07-31 21:20 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-22 18:49 [PATCH] atyfb: vblank irq support Ville Syrjälä
2004-07-24 23:12 ` Alexander Kern
2004-07-25 0:03 ` Antonino A. Daplas
2004-07-25 18:36 ` Alexander Kern
2004-07-25 22:47 ` Antonino A. Daplas
2004-07-30 18:12 ` [Question] Colour management Alexander Kern
2004-07-31 10:26 ` Antonino A. Daplas
2004-07-31 13:31 ` Ville Syrjälä
2004-07-31 21:19 ` Antonino A. Daplas [this message]
2004-07-31 22:19 ` Alexander Kern
2004-07-31 23:37 ` Antonino A. Daplas
2004-07-31 22:18 ` Ville Syrjälä
2004-07-31 23:47 ` Antonino A. Daplas
2004-07-31 22:10 ` Ville Syrjälä
2004-08-01 1:03 ` Antonino A. Daplas
2004-07-25 10:16 ` [PATCH] atyfb: vblank irq support Ville Syrjälä
2004-07-25 18:29 ` Alexander Kern
2004-07-25 23:36 ` Ville Syrjälä
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