RFR: 8252726: Lanai: IDEA Editor Rendering OGL vs Metal 1:2

[Alexey Ushakov]

Optimized mask cache usage

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Commit messages:
 - 8252726: Lanai: IDEA Editor Rendering Benchmark comparison OGL vs Metal 1:2

Changes: https://git.openjdk.java.net/lanai/pull/113/files
 Webrev: https://webrevs.openjdk.java.net/?repo=lanai&pr=113&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8252726
  Stats: 35 lines in 4 files changed: 17 ins; 11 del; 7 mod
  Patch: https://git.openjdk.java.net/lanai/pull/113.diff
  Fetch: git fetch https://git.openjdk.java.net/lanai pull/113/head:pull/113

PR: https://git.openjdk.java.net/lanai/pull/113