CFV: New Project: Lanai

[Mario Torre]

Vote: Yes.

Cheers,
Mario

On Tue 9. Jul 2019 at 23:51, Phil Race <philip.race at oracle.com> wrote:

> I hereby propose the creation of the Lanai Project to implement a new
> graphics rendering pipeline for macOS, with Phil Race as the Lead and
> the 2D Group as the sponsoring Group.
>
> Background and Motivation:
> Apple Inc. have created the Metal [1] graphics API designed to be their
> long term replacement for OpenGL as the rendering pipeline on Apple
> platforms, including macOS. It promises better performance than OpenGL
> and simpler GPU designs by being a simpler API without the legacies of
> OpenGL.
>
> The JDK, and OpenJFX today both use OpenGL as the rendering pipeline on
> macOS, but Apple have deprecated OpenGL as of MacOS 10.14 [2], and
> recommend to transition to Metal.
> If OpenGL is not present on a macOS system, the JDK desktop APIs cannot
> function and will fail to start. OpenJFX is in a very similar position.
>
> For some months, engineers from Oracle and JetBrains [3], have been
> exploring the Metal APIs and working on some proofs of concept, starting
> with the existing OpenGL pipeline as a base and doing prototyping work
> in the JDK sandbox [4] in the metal-prototype-branch and in the case of
> JetBrains, separately on github.
> We have also discussed specific issues on the 2d-dev mailing list and
> have a wiki page [5].
>
> However to further collaboration and advance the goals we would like to
> move this work to a location where we can work together and more
> engineers can contribute, and therefore propose this project.
>
> Note: the rendering pipelines in the JDK are internal implementation
> details, so this project will not create, or otherwise be exposed as,
> Java APIs
>
> Phil Race is the lead of the Java 2D group and has worked on the Java 2D
> APIs for many years as well. He has also made significant contributions
> to the OpenJFX project and to the Swing and AWT APIs
>
> Goals of the Project:
> This project will create a Java 2D rendering pipeline for macOS using
> the Apple Metal APIs which aims to be at least as capable, robust and
> performant, as the current OpenGL pipeline.
> This project will also be the basis of a similar Metal pipeline for the
> OpenJFX project [6].
>
> Initial committers will include
> Phil Race (prr)
> Ajit Ghaisas (aghaisas)
> Jay DV (jdv)
> Sergey Bylokhov (serb)
> Kevin Rushforth (kcr)
> Alexey Ushakov (avu)
>
> A complete list will be provided to the registrar at the successful
> conclusion of this CFV.
>
> Votes are due by 5pm PDT on Tuesday July 23rd 2019.
>
> Only current OpenJDK Members [7] are eligible to vote on this motion.
> Votes must be cast in the open on the discuss list.
> Replying to this message is sufficient if your mail program honors the
> Reply-To header.
>
> For Lazy Consensus voting instructions, see [8].
>
> -Phil Race.
>
> [1] https://developer.apple.com/metal/
> [2]
>
> https://developer.apple.com/documentation/macos_release_notes/macos_mojave_10_14_release_notes
>
> [3] https://www.jetbrains.com/
> [4] http://hg.openjdk.java.net/jdk/sandbox/
> [5]
> https://wiki.openjdk.java.net/display/2d/Metal+Graphics+Pipeline+for+MacOS
> [6] http://openjdk.java.net/projects/openjfx/
> [7] http://openjdk.java.net/census#members
> [8] http://openjdk.java.net/projects/#new-project-vote
>
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