[OpenJDK 2D-Dev] [jdk17] RFR: 8266079: Lanai: AlphaComposite shows differences on Metal compared to OpenGL

[Jayathirth D V]

On Tue, 15 Jun 2021 16:57:00 GMT, Alexey Ushakov <avu at openjdk.org> wrote:

> Implemented blit via compute kernel

With this patch shaped windows with translucent/color background are showing only black background. In manual JCK shaped window test also this difference in behaviour is seen.

This behaviour difference can be checked using Ruler.java test case attached in https://bugs.openjdk.java.net/browse/JDK-8267963

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PR: https://git.openjdk.java.net/jdk17/pull/62