Re: [Linux-fbdev-devel] mmap()ing of FB memory area

[James S. <jsi...@tr...>]

> But what if a framebuffer use 2 discontinuous memory area,
> say one for the main framebuffer, one for offscreen stuff
> like overlay buffer, Z-buffer, texture... how can an app
> access that ?

Framebuffer filesystem :-) 

/dev/fb/frame0  
/dev/fb/depth
/dev/fb/overlay
/dev/fb/stencil

etc.