Backport proposal of the Marlin renderer in OpenJDK8

[Gil Tene]

Cross-posting to jdk8u-dev

> On Aug 7, 2019, at 7:51 AM, Gil Tene <gil at azul.com> wrote:
> 
> As our all of our Zulu 8 builds already integrate Marlin as our default renderer,
> test it with every build, and support a multitude of both free and commercial
> customers using it, we (Azul) are wholeheartedly supportive of including Marlin
> in 8u. We will actively participate in back-porting fixes,  solving problems that may
> happen in production systems in 8u, and (obviously) upstreaming any fixes we
> end up doing to Marlin code in Zulu 8.
> 
> Sent from my iPad
> 
>> On Aug 7, 2019, at 2:33 AM, Laurent Bourgès <bourges.laurent at gmail.com> wrote:
>> 
>> Dear Mario,
>> 
>>> Le mer. 7 août 2019 à 10:40, Mario Torre <neugens at redhat.com> a écrit :
>>> 
>>> Hi Laurent,
>>> 
>>> I would be supportive with this if we had help backporting fixes and
>>> solving problems that may happen in production systems in 8u.
>>> 
>> 
>> As you probably know, I am the single maintainer of the Marlin renderer,
>> all that FOSS work is done on my spare time with very low funding (gofundme
>> campaign only).
>> 
>> I can do the backporting work concerning the Marlin renderer as I do its
>> main development on OpenJDK8 already.
>> 
>> Anyway if any bug in the renderer is found, I already do the
>> synchronization to fix all active branches:
>> - my github: jdk8, jdk, jfx (8 branches)
>> - jdk (14), jfx-dev (14)
>> -  jdk11u
>> ...
>> - jetbrains jdk8u_jdk PR on github
>> 
>> I could maintain 1 more openjdk8 branch but like you, I would appreciate
>> any help on backporting & testing.
>> 
>> Cheers,
>> Laurent
>> 
>> 
>>> On Wed, Aug 7, 2019 at 10:05 AM Laurent Bourgès
>>> <bourges.laurent at gmail.com> wrote:
>>>> 
>>>> Hi,
>>>> 
>>>> I want to discuss the opportunity to provide the Marlin renderer in
>>> OpenJDK8 updates.
>>>> 
>>>> FYI it is the java2d antialiasing renderer that replaced Pisces in
>>> OpenJDK9 (integrated in 2015) that provide both better quality and
>>> performance.
>>>> I am still maintaining the code on github, openjdk and openjfx.
>>>> FYI the Marlin renderer has a very efficient path clipper since v0.9
>>> integrated in OpenJDK11 (2018.7).
>>>> Very few bugs (<5) were reported since 2015.
>>>> 
>>>> Risks: azul zulu 8 and jetbrains jdk8 provide the Marlin renderer as
>>> their default renderer and it runs in production for years.
>>>> I am aware that amazon corretto would like to have it backported too.
>>>> AdoptOpenJDK already mentioned such possible backport on their web pages.
>>>> 
>>>> Finally I propose to
>>>> - make a large patch (same marlin version as latest openjdk 14 ie
>>> 0.9.1.1) to easily backport fixes in the future
>>>> - leave it disabled by default. It will depend on the provider to enable
>>> it in its binary releases.
>>>> 
>>>> Cheers,
>>>> Laurent
>>> 
>>> 
>>> 
>>> --
>>> Mario Torre
>>> Associate Manager, Software Engineering
>>> Red Hat GmbH <https://www.redhat.com>
>>> 9704 A60C B4BE A8B8 0F30  9205 5D7E 4952 3F65 7898
>>>