RFR: 8201567: QuantumRenderer modifies buffer in use by JavaFX Application Thread [v2]

[Kevin Rushforth]

On Wed, 8 Jul 2020 21:51:00 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> Marked as reviewed by arapte (Reviewer).
>
> @jgneff this looks safe enough to get into 15. Go ahead an retarget it to the `jfx15` branch.
> 
> @arapte this will invalidate your review, so you will need to re-review it once retargeted.

Oh, and regarding the following:

> JavaFX on macOS prints the error shown below when Platform.exit is called to end the application.

That's a known issue on macOS 10.15:

[JDK-8231558](https://bugs.openjdk.java.net/browse/JDK-8231558): [macos 10.15] Platform.exit causes assertion error on
macOS Catalina

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PR: https://git.openjdk.java.net/jfx/pull/255