git: openjdk/jdk21u-dev: master: 8313697: [XWayland][Screencast] consequent getPixelColor calls are slow

[Martin Doerr]

Changeset: 2e8418e3
Author:    Martin Doerr <mdoerr at openjdk.org>
Date:      2024-06-19 20:39:05 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/2e8418e38d2f6644d75034a461291e4ea3132ebb

8313697: [XWayland][Screencast] consequent getPixelColor calls are slow
8310334: [XWayland][Screencast] screen capture error message in debug

Backport-of: 2f04bc5f934887029d8bcc13cf722d8498a35120

! src/java.desktop/unix/classes/sun/awt/screencast/ScreencastHelper.java
! src/java.desktop/unix/classes/sun/awt/screencast/TokenStorage.java
! src/java.desktop/unix/native/libawt_xawt/awt/gtk3_interface.c
! src/java.desktop/unix/native/libawt_xawt/awt/gtk3_interface.h
! src/java.desktop/unix/native/libawt_xawt/awt/gtk_interface.h
! src/java.desktop/unix/native/libawt_xawt/awt/screencast_pipewire.c
! src/java.desktop/unix/native/libawt_xawt/awt/screencast_portal.c