On Fri, Apr 23, 2004 at 08:20:43PM +0200, Kristof Pelckmans wrote:
> Hello,
> 
> When I try and run the following program on my Matrox G450 using CVS version
> (before major restructuring) and the 2.6 fbdev I get a non deterministic
> behaviour : each time I get a different output (but never what I want :-( ).
> 
> I have the impression that the fbdev could be causing this, or am I just
> writing wrong code ? Could someone with a Matrox card try this out ?

<snip>

>       conf.flags = (DFBDisplayLayerConfigFlags)(DLCONF_BUFFERMODE  |
> DLCONF_PIXELFORMAT);
>       conf.buffermode = DLBM_BACKVIDEO;
>       conf.pixelformat = DSPF_I420;
>       DFBCHECK (secondaryLayer->SetConfiguration(secondaryLayer, &conf));
>       DFBCHECK (secondaryLayer->GetSurface(secondaryLayer,
> &secondarySurface));
>       DFBCHECK (secondarySurface->GetSize (secondarySurface, &screen_width,
> &screen_height));
>       DFBCHECK (secondarySurface->SetDrawingFlags(secondarySurface,
> DSDRAW_BLEND));

Blending doesn't work with YUV formats.

-- 
Ville Syrj�l�
[EMAIL PROTECTED]
http://www.sci.fi/~syrjala/


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