[PATCH] complete (I hope!) i830 EXA support

[Keith Packard]

On Sun, 2005-09-11 at 23:21 -0400, Alex Deucher wrote:

> most hardware overlays support alpha blending with the graphics layer,
> couldn't we hook that in some way with render?  Like if it's Xv, short
> circuit to the overlay  blend rather than compositing.

(I'm not familiar with this kind of hardware, having only dealt with
color-key based overlays myself).

Figuring out when you could use this particular capability in the
current framework would be pretty tricky, I suspect you'd have to expose
it to the compositing manager and let it set things up when possible.

A lot of the use cases I've seen place graphics translucently over the
video though, which doesn't seem like it will work here.

-keith

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