Top-most windows

[Deron Johnson]

I believe that the semantics should be that the Xserver/DDX should only
paint DIDs when the surface being rendered to has DIDs. The problem is
that the DID preparation part of the Xserver/DDX doesn't know that
the rendering for a window is going into a pixmap, which doesn't have
DIDs. We must somehow communicate to this code that it doesn't need
to paint DIDs for redirected windows. I have implemented a kludgey
version of this and I would be interested in a cleaner way to do it.

Keith Packard wrote On 01/12/06 01:27,:
> On Wed, 2006-01-11 at 12:21 -0800, Deron Johnson wrote:
> 
>>Keith Packard wrote On 01/10/06 15:16,:
>>
>>>On Tue, 2006-01-10 at 09:44 -0800, Deron Johnson wrote:
>>>
>>>Are you saying that include inferiors rendering doesn't work in your
>>>environment?
>>
>>No. I'm saying that DIDs are painted in the DID buffer for top-level
>>windows. These DIDs are single-buffered and they stomp over the
>>double-buffered DIDs of the compositing manager's window.
> 
> 
> icky. The DID should be painted in the PaintWindowBackground/Border
> function, which you should be able to trap out for redirected windows
> somehow. All redirected windows should have their content painted with
> their parent's DID, I think.
> 
> -keith
> 
> 
> 
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