> [YG] dfbinfo returns: (Looks like ALPHACHANNEL is supported, and LEVELS is 
> not supported?)
>
>      Layer (00) GDL Primary Layer               (primary layer)
>          Type:    GRAPHICS
>          Caps:    SURFACE OPACITY ALPHACHANNEL
>
>       Layer (01) GDL Video Overlay
>          Type:    VIDEO STILL_PICTURE BACKGROUND
>          Caps:    SURFACE OPACITY SCREEN_LOCATION BRIGHTNESS CONTRAST 
> SATURATION SCREEN_POSITION SCREEN_SIZE

That's slightly curious -- if Layer 1 is an overlay, supporting an
alpha channel on layer 0 seems of little use (unless enabling that
changes the layer stacking order as a side effect).

Mark

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