Keep MTLLayer opacity in sync with window content view Keep layer translucent for translucent windows
------------- Commit messages: - 8266079: Lanai: AlphaComposite shows differences on Metal compared to OpenGL Changes: https://git.openjdk.java.net/jdk/pull/4946/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4946&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8266079 Stats: 270 lines in 7 files changed: 266 ins; 1 del; 3 mod Patch: https://git.openjdk.java.net/jdk/pull/4946.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/4946/head:pull/4946 PR: https://git.openjdk.java.net/jdk/pull/4946
