[RFC Weston 00/10] Sub-surfaces v2

Kai-Uwe Behrmann ku.b at gmx.de
Thu Mar 7 05:51:27 PST 2013


Am 07.03.2013 12:56, schrieb Pekka Paalanen:
> On Thu, 07 Mar 2013 12:32:21 +0100
> Kai-Uwe Behrmann <ku.b at gmx.de> wrote:

>> Statement:
>> The flattened output of overlapping transparent regions depend on the
>> intented order of painting the graph during compositing.
>>
>> Question:
>> Does your following annotation has a side effect on the painting(Z)
>> order of transparent content?
>>
>>   >>> and it is also possible to have
>>   >>> sub-surfaces running on their own (i.e. without commit the
>>   >>> parent surface, too)

> Committing new state to surfaces, and compositor's repainting are quite
> orthogonal. The compositor is free to repaint as often or seldom as it
> wants. Committing does not affect the Z-order or repainting order,
> unless you explicitly change the Z-order with a place_above/below
> request.

Ok, I now understand the difference between paint and commit. That makes 
sense and answers my question.

thanks and kind regards
Kai-Uwe


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