RFR: 8260931: Implement JEP 382: New macOS Rendering Pipeline [v3]

[Gerard Ziemski]

On Mon, 8 Feb 2021 17:15:25 GMT, Gerard Ziemski <gziemski at openjdk.org> wrote:

>> The file in `RenderPerfTest` should have a GPLv2 license header (no Classpath). I filed [JDK-8261273](https://bugs.openjdk.java.net/browse/JDK-8261273) and also highlighted a couple examples below.
>
> General comment - I am not sure I like the `MTL` prefix acronym in names (ex. `sun.java2d.metal.MTLVolatileSurfaceManager`).
> 
> I think you tried to match the `CGL`, but that is a real acronym that stands for "Core Graphics Layer" (I think).
> 
> `MTL` on the other hand is no acronym. I can see `ML` for "Metal Layer" I suppose, but also just `Metal` would work just fine.

I'm in the process of reviewing this feature, but there is lots of code to go through - please wait for my review.

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PR: https://git.openjdk.java.net/jdk/pull/2403