I figure I can't just fix the offsets.
case 24:
if (dfb_fbdev_compatible_format( var, 0, 8, 8, 8, 0, 16, 8,
0 ))
return DSPF_RGB24;
The return value appears to return the bit depth and format. I would assume a
DSPF_BGR24 needs to be defined? If so what other places should I change?
Thanks,
Craig
On Friday 04 January 2008 10:48:24 am Homam Dabis wrote:
> Re: BGR24
>
> You could have a look at systems/fbdev/fbdev.c in directfb directory.
>
> There is a function like DFBSurfacePixelFormat that may be useful to your
> needs i.e you could change the offsets etc.
>
> Homam.
>
>
>
> ----- Original Message ----
> From: Craig Matsuura <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]; directfb-users@directfb.org
> Sent: Thursday, 3 January, 2008 10:04:01 PM
> Subject: [directfb-users] Davinci support?
>
> Ok, this might be the wrong place to post this message, however I'm not
> getting much help on the user list. I am a developer (kernel level) and we
> are using the davinci in one of our products. We successfully have
> displayed to all windows (osd0,osd1 (attr), vid0 and vid1) in both SD
> 720x480x16 (osd0) and HD 1280x720x24 (vid0).
>
> Now, we are looking to moving to using directfb on the platform and I saw
> the post for support for the davinci. I was very happy to see this.
>
> I have the mv 2.6.10 kernel, I built directfb and used fb0 (720x480x16)
> appears to work great.
>
> I really need 1280x720 support and the osd0 has a know hw problem with
> video tearing if used in 1280x720 (HD). So in our current non-directfb
> application we moved to the vid0 window based on discussion with TI. We
> now are using vid0 in 1280x720x24 (RGB24) mode. I setup directfb to
> support RGB24 and fould out the RGB24 is represented differently than what
> directfb supports. Basically its like big endian. So the colors are
> incorrect (R and B are swapped).
>
> However this is not the only problem. The directfb-1.1.1 builds with the
> davincifb.h files provided but the ioctl calls make in directfb do not
> exist in the mv 2.6.10 kernel. So I get failures like the following:
>
> ./dfbinfo --dfb:system=devmem --dfb:video-phys=0x83000000
> --dfb:video-length=691200
>
> =======================| DirectFB 1.1.1 |=======================
> (c) 2001-2007 The DirectFB Organization (directfb.org)
> (c) 2000-2004 Convergence (integrated media) GmbH
> ------------------------------------------------------------
>
> (*) DirectFB/Core: Single Application Core. (2007-12-18 01:01) [ DEBUG ]
> (!) Davinci/Driver: FBIO_GET_TIMING failed!
> --> Invalid argument
> (*) DirectFB/Graphics: Generic Software Rasterizer 0.6 (directfb.org)
> (*) DirectFB/Core/WM: Default 0.3 (directfb.org)
> (!) IDirectFB_Construct: No layers available! Missing driver?
> (#) DirectFBError [DirectFBCreate() failed]: Not supported!
> Interface instances remaining (1):
> - 'IDirectFB' at 0x1b6f8 (dfb) allocated in DirectFBCreate (directfb.c:
> 197)
>
> No kernel I have looked at has support for the GET_TIMING ioctl.
> Replacing the davincifb.h in directfb with the one found in my kernel will
> not build.
>
> So here are the two issues:
>
> 1) There is not support for BGR24 (TI version which is BGR24)
> 2) Trying to use the davinci support in directfb does not work due to
> missing ioctl calls.
>
> Do you have a patch for the davincifb.c to add the ioctl calls? How about
> support for BGR24?
>
> I really think the missing ioctl calls are the biggest issue, as if this
> worked I could persue 1280x720 mode. As for the BGR24, I would like to
> know what I can change in directfb to support this strange format in
> directfb.
>
> NOTE: Keep in mind the BGR24 mode is when I use /dev/fb1 (fbdev support in
> directfb), not the direct support claimed to be working in directfb.
>
> Thanks,
> Craig
>
> _______________________________________________
> directfb-users mailing list
> directfb-users@directfb.org
> http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users
>
>
> __________________________________________________________
> Sent from Yahoo! Mail - a smarter inbox http://uk.mail.yahoo.com
_______________________________________________
directfb-users mailing list
directfb-users@directfb.org
http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users
