Hello.

On 29/01/16 07:25, Cedric BAIL wrote:
> On Fri, Jan 29, 2016 at 5:02 AM, Cedric BAIL <[email protected]> wrote:
>> On Fri, Jan 29, 2016 at 4:00 AM, Jean-Philippe AndrĂ© <[email protected]> 
>> wrote:
>>> On 29 January 2016 at 08:27, Cedric BAIL <[email protected]> wrote:
>>>> On Thu, Jan 28, 2016 at 3:12 PM, Stefan Schmidt <[email protected]>
>>>> wrote:
>>>>> On 10/12/15 21:56, Mike Blumenkrantz wrote:
>>>>>> discomfitor pushed a commit to branch master.
>>>>>>
>>>> http://git.enlightenment.org/core/elementary.git/commit/?id=6149fd7a0a9ef3f9495270cf1c4ab7727a30f21c
>>>>>> commit 6149fd7a0a9ef3f9495270cf1c4ab7727a30f21c
>>>>>> Author: Mike Blumenkrantz <[email protected]>
>>>>>> Date:   Thu Dec 10 15:53:31 2015 -0500
>>>>>>
>>>>>>       win: redo resize deferral to trigger during pre render
>>>>>>
>>>>>>       using a job results in the resize occurring after render in the
>>>> same loop,
>>>>>>       meaning that anything which depends on resizes to happen in a
>>>> certain
>>>>>>       time will not have synchronized display vs toolkit geometries
>>>>>>
>>>>>>       fixes all issues related to wayland window geometries
>>>>> This commit breaks the widget screenshot generation for our Elementary
>>>>> docs. Two example from our nightly doc generation:
>>>>>
>>>>>
>>>> https://build.enlightenment.org/job/nightly_elm_gcc_x86_64/lastSuccessfulBuild/artifact/doc/html/group__Button.html
>>>> https://build.enlightenment.org/job/nightly_elm_gcc_x86_64/lastSuccessfulBuild/artifact/doc/html/group__Flip.html
>>>>> As you can see the image are off or completely broken. They should
>>>>> actually look like this (from our 1.16 docs)
>>>>>
>>>>> https://docs.enlightenment.org/elementary/current/group__Button.html
>>>>> https://docs.enlightenment.org/elementary/current/group__Flip.html
>>>>>
>>>>> Thanks to Jean Rene Dawin for reporting it. It took me a long time to
>>>>> git bisect'ing it down to this commit. Reverting it locally fixes the
>>>>> problem.
>>>>>
>>>>> I'm open for suggestions how we fix this and still fix the problem the
>>>>> commit originally tried to fix.
>>>> Relying on render pre make sense in this patch. I am wondering how
>>>> exactness and our doc subsystem do the screenshot. Do you have a
>>>> pointer to it ?
>>>>
>>>>
>>> make doc for elementary relies on the "shot" engine. I don't know the exact
>>> wrt. this patch, though.
>> There is something common in that case, both exactness and the shot
>> engine use ecore_evas_manual_render. I can't see why there would be
>> something wrong in the case of a manual render. It seems to call the
>> render_pre function correctly and the buffer backend is not async, so
>> it should be filling the buffer correctly. Also the image are of the
>> right size, which means that the width and height have correctly been
>> set on the ecore_evas before we do the pixels get. Going to try
>> playing with it and see if I find something.
> Ok, this seems to have been way easier than I though. The pre render
> function wasn't called in the buffer engine (This code should really
> be refactorised one day...). I fixed it with commit
> adff529004b2d8b4c2395c74af7f8f86a2a42ebc. Please test and let me know
> if you still see issues.

Verified that it fixes the screenshots for the doc generation for me 
locally as well as on Jenkins. Thanks for having a look.

regards
Stefan Schmidt

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