Hi,

On Tue, Jan 8, 2013 at 12:15 AM, Carsten Haitzler <[email protected]> wrote:
> On Mon, 7 Jan 2013 23:27:32 -0200 Gustavo Sverzut Barbieri
> <[email protected]> said:
>
>> On Monday, January 7, 2013, Ulisses Furquim wrote:
>>
>> > Hi raster,
>> >
>> > On Monday, January 7, 2013, Carsten Haitzler wrote:
>> >
>> > > On Mon, 7 Jan 2013 18:36:32 -0200 Ulisses Furquim <
>> > [email protected] <javascript:;><javascript:;>>
>> > > said:
>> > >
>> > > > Hi Raster,
>> > > >
>> > > > On Fri, Jan 4, 2013 at 12:45 PM, Carsten Haitzler <
>> > [email protected] <javascript:;><javascript:;>
>> > > >
>> > > > wrote:
>> > > > > On Fri, 4 Jan 2013 11:21:28 -0200 Gustavo Sverzut Barbieri
>> > > > > <[email protected] <javascript:;> <javascript:;>> said:
>> > > > >
>> > > > >> On Fri, Jan 4, 2013 at 10:56 AM, Carsten Haitzler
>> > > > >> <[email protected] <javascript:;> <javascript:;>>wrote:
>> > > > >>
>> > > > >> > On Fri, 4 Jan 2013 10:42:13 -0200 Gustavo Sverzut Barbieri
>> > > > >> > <[email protected] <javascript:;> <javascript:;>> said:
>> > > > >> >
>> > > > >> > ooh also.. with software comp.. rememebr that the async renderer
>> > is
>> > > still
>> > > > >> > busy
>> > > > >> > rendering in the bg.. THEN sw comp in  the mainloop is grabbing
>> > > pixels to
>> > > > >> > ximages WHILE sw evas is rendering async.. THEN it uses those
>> > > ximages -
>> > > > >> > their
>> > > > >> > pixel data is SET to be theimage pixel data, and then an sync sw
>> > > render
>> > > > >> > uses
>> > > > >> > that pixel data we grabbed async to the rendering of it (that used
>> > > to be
>> > > > >> > sync) :) if its sw comp - but i've seen sync issues with gl comp
>> > and
>> > > > >> > content
>> > > > >> > containing incorrect pixels. :)
>> > > > >>
>> > > > >>
>> > > > >> I couldn't understand what you mean. Seems you're getting some ideas
>> > > on
>> > > > >> where is the problem, then:
>> > > > >>
>> > > > >>  1 - explain that in a more understandable way :-P
>> > > > >>  2 - look into comp code to see where the problems could be. You
>> > > wrote it,
>> > > > >> then you know that quite well.
>> > > > >>
>> > > > >> We can help you with #2 if you do #1 and let us know where to to pin
>> > > point.
>> > > > >
>> > > > > comp can sync its canvas. it can ensure it is no longer rendering
>> > > before it
>> > > > > changed the image data ptrs...
>> > > > >
>> > > > > BUT... it cant sync the canvases in the borders, or the menus, or the
>> > > > > background or the popups. these are separate windows and canvases.
>> > > > > literally e is doing x(shm)getimage() the pixels from x11 when
>> > updates
>> > > > > happen. since async rendering may be rendering a NEW frame WHILE it
>> > is
>> > > > > doing a getimage for the old one (the border canvas is rendering
>> > async
>> > > to
>> > > > > the comp canvas in its own thread),
>> > > >
>> > > > What do you mean by its own thread here? You did see we have just one
>> > > > render thread for all canvases, right? Or am I missing what you really
>> > > > said here?
>> > >
>> > > frame is renderd in sw. it will be in the sw render thread. main comp
>> > > canvas
>> > > uses gl. it's not in a thread (atm)..  and thus it is in parallel to the
>> > sw
>> > > thread. i've been sleeping on this and sucky as it is.. there's more
>> > > problems
>> > > to be had with regards to shapes too :/ shape masks that is.
>> >
>> >
>> > I see, you are right. Now the best we can do is a ecore_evas_sync like
>> > Gustavo said if we can not do async rendering and one of our sub ecore evas
>> > can. If we do async rendering then it shouldn't matter. This way we don't
>> > even need to spread calls to evas_sync and when (and if) we make gl engines
>> > async it should just work. Agreed? Does it make sense?
>> >
>>
>> Not to me. What is being done async if all uses is buffer & GL?! There is
>> no async in these cases.
>
> it doesnt use buffer. it uses software-x11 for menus, popups, shelves, window
> frames etc.

Ugh. :-/

-- 
Ulisses Furquim
ProFUSION embedded systems
http://profusion.mobi
Mobile: +55 19 9250 0942
Skype: ulissesffs

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