<AWT Dev> RFR: 8266079: Lanai: AlphaComposite shows differences on Metal compared to OpenGL

[Phil Race]

On Mon, 14 Jun 2021 06:54:39 GMT, Alexey Ushakov <avu at openjdk.org> wrote:

>> Set black color for underlying window background to perform correct blending operations in metal with window surface destination
>
> Reimplemented solution using compute shader

@avu - Aren't we targeting this to 17 ? Assuming yes, I think you need to submit a new PR against the JDK 17 
stabilsation repo .. and withdraw this one.

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PR: https://git.openjdk.java.net/jdk/pull/4206