[Xpert]Overlay, xf8_32bpp, documentation?

[Luugi Marsan]

Hi,

I don't understand how X11 implements overlay. I'm trying to understand the xf8_32bpp module. Is their any documentation on this? I would like to get an explanation on how this module was implemented. Is it anything like how Window does Overlay? If I want to go through the code where should I start? Seems to me that the xf86overlay.c file is a good starting point. But how is this code structured. Is there anywhere I could find something to explain the big picture of the code?

I realize going through the mailing list that overlay is someting that has been discussed often, but I just can't seem to find the information I need.

Any suggestion would be greatly appreciated.

Luugi Marsan


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