On Mar 22, 2013, at 1:34 PM, Ryosuke Niwa <rn...@webkit.org> wrote:

> On Thu, Mar 21, 2013 at 6:43 PM, Ryosuke Niwa <rn...@webkit.org> wrote:
> On Thu, Mar 21, 2013 at 6:39 PM, Silvia Pfeiffer <silvi...@chromium.org> 
> wrote:
> On Fri, Mar 22, 2013 at 12:30 PM, Ryosuke Niwa <rn...@webkit.org> wrote:
> On Thu, Mar 21, 2013 at 6:05 PM, Maciej Stachowiak <m...@apple.com> wrote:
> On Mar 21, 2013, at 5:38 PM, Glenn Adams <gl...@skynav.com> wrote:
>> On Thu, Mar 21, 2013 at 6:11 PM, Ryosuke Niwa <rn...@webkit.org> wrote:
>> On Thu, Mar 21, 2013 at 5:10 PM, Glenn Adams <gl...@skynav.com> wrote:
>> 
>> On Thu, Mar 21, 2013 at 5:55 PM, Ryosuke Niwa <rn...@webkit.org> wrote:
>> On Thu, Mar 21, 2013 at 4:50 PM, Glenn Adams <gl...@skynav.com> wrote:
>> That's my platform, so I have to manage with it.
>> 
>> I do have a Retina MBP too but I don't use it to work on the rendering 
>> engine precisely because of this issue.  It's expected that every 
>> contributor has access to a machine where he/she can run layout tests.  
>> Retina MBP is not such a machine.
>> 
>> Well, it's been working for me.
>> 
>> The fact you appears to be contributing patches without appropriate 
>> rebaselines seems to indicate that it's not working for us.
>> 
>> Oh, please point out a case of "without appropriate rebaseline". Please 
>> point out in the documentation where "appropriate rebaseline" is defined. I 
>> think you are making unwarranted assumptions here. If you can't define or 
>> understand a process where I can contribute using a MBP Retina, then I think 
>> you are imposing an arbitrary, unwarranted restriction on the community. I 
>> have been contributing successfully, ergo, it is working.
>> 
>> Many are contributing WebCore layout and rendering patches using a wide 
>> variety of platforms, not all of which match your platform assumptions. It 
>> is not reasonable to claim they aren't contributing positively or that their 
>> contributions don't work.
> 
> We should definitely make it possible to contribute using a Retina system. 
> Apple's flagship laptops offer Retina displays, and it would be crazy to rule 
> them out as development machines. I'd imagine one day we may want the 
> canonical Mac pixel results to be *only* retina.
> 
> Yes, we should but it isn't today.
> 
> Perhaps one possibility is to make it possible to generate non-Retina pixel 
> results on a Retina system. That seems eminently doable to me, unless there's 
> something I am missing.
> 
> Yeah, Alexey and I were talking about this earlier. We need a some way to 
> force CAGraphics, etc… to behave as if we're in non-Retina MBP. We definitely 
> don't want to check in Retina pixel results.
> 
> Where can I sign up to make this a higher priority. ;-)
> 
> Post a patch on https://bugs.webkit.org/show_bug.cgi?id=93673.
> 
> Tim (thorton) kindly took time to fix this problem in 
> http://trac.webkit.org/changeset/146650 at least for render tree dumps. Pixel 
> tests still do fail for obvious reasons but this is a huge improvement 
> nonetheless.

Obvious reasons == "they fail on 1x machines too", right?

> Thanks Tim!

Sure!

> - R. Niwa
> 

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