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[directfb-users] Re: nvidia-setOpacity

On Thu, Feb 12, 2004 at 09:44:19PM -0800, vivek wrote:
> Hi..
>  I am using nvidia RIVA TNT2 chipset.
>  In the driver ,there is a SetOpacity in
>  Overlay structure but whenever opacity value is
>  changed in the application, that nv_ov0_SetOpacity ()
>  function is not getting called. Why it is like that ?

The only reasons I can think of is that you don't have admimistrative or 
exclusive access to the layer, or the opacity value didn't actually 
change. But the overlay doesn't support variable opacity values (only 
0/255) so calling it with any value in between isn't exactly useful.

Ville Syrjälä

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