Hi Asho,
Thanks for the reply, After giving dfbinfo with the said arguments i am
getting the following output with no change on screen.
# ./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. (2007-12-28 13:56) [ 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 0x1a2d8 (dfb) allocated in DirectFBCreate (directfb.c:
197)
#
Please tell me what do you mean by "No Layers available ! Missing driver ?."
Where do i get th driver/firmware
regards,
Srini...
On Jan 1, 2008 4:38 PM, Asho Yeh <[EMAIL PROTECTED]> wrote:
> Hi,
> While you are doing some blitting functions, there should be a
> hardware_lock in the routine.
> This will lock the source and destination surface.
>
> Is it what you want?
>
> 2007/12/26, Deng XueFeng <[EMAIL PROTECTED]>:
> > Hi
> >
> > I have some question about the lock use in the multihreaded apps.
> > I use directfb 1.0.1 on VIA nano-itx board.
> > I got two main surface(graphics surface and video surface) from two
> > layer.
> > and i use some tmp surface.
> >
> > then the question are:
> >
> > 1. when i do two blit at the same time ( one tmp surface to main
> > graphics surface, and another to main video graphics), should i use
> mutex
> > lock.? one lock or two ?
> >
> > 2. when i do two blit from two tmp surface to one main surface, each
> > blit overide some part of the main surface. should i use mutex lock?
> >
> > 3. when i do blit from tmp surface to tmp surface ,should i use mutex
> > lock ?
> >
> > thanks very much.
> >
> >
> >
> >
> > _______________________________________________
> > directfb-dev mailing list
> > [EMAIL PROTECTED]
> > http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev
> >
>
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--
Srinivas Rao M Hamse
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