hg: lanai/lanai: 8233226: Implement XOR Mode rendering option

[ajit.ghaisas at oracle.com]

Changeset: 388207078e77
Author:    aghaisas
Date:      2020-02-28 15:59 +0530
URL:       https://hg.openjdk.java.net/lanai/lanai/rev/388207078e77

8233226: Implement XOR Mode rendering option
XOR Mode rendering support for primitive rendering and text rendering.

! src/java.desktop/macosx/native/libawt_lwawt/awt/shaders.metal
! src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/EncoderManager.m
! src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MTLComposite.h
! src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MTLComposite.m
! src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MTLContext.m
! src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MTLPaints.h
! src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MTLPaints.m
! src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MTLPipelineStatesStorage.h
! src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MTLPipelineStatesStorage.m