On Fri, 21 Feb 2003, Luugi Marsan wrote:

> What does the mioverlay.c do in the mi module of Xfree86? I notice that 

   It supplements the original mi code.  Mi didn't know about anything
other than single layer framebuffers.  mioverlay adds a second window
tree and fixes up all window operations to be aware that, among other
things, overlay windows don't clip image layer windows.


> the chips driver does not use it for doing overlay. I understand that it 
> replaces some of the Window functions when doing overlay. But is anyone 
> familiar with the inner workings of it?

   I wrote it.

> 
> Also, am I asking these questions at the right place?
> 

   Yes.


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