[directfb-dev] Re: how to CreateSurface on CRTC2 layer for G400

[Denis Oliver Kropp <dok@directfb.org>]

Quoting Ville Syrj?l? (syrjala@sci.fi):
> > But when I tell them that
> > the user will want to be able to specify which layer he wants to use,
> > how do they code up SDL to take this option and deal with it?
> 
> Well you can have an option to specify the layer id. And if
> GetDisplayLayer() fails with that id you can bail out or fall back to
> DLID_PRIMARY. Or you could have the user specify a layer name and use
> GetName() via EnumDisplayLayers(). But for this kind of app I think the
> layer id could be better.

I can add an environment variable like SDL_DIRECTFB_LAYERID or similar
as the DirectFB backend is written by me.

-- 
Best regards,
  Denis Oliver Kropp

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