[Bug 64767] New: Resizing java window leaves artifacts on windows behind

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=64767

          Priority: medium
            Bug ID: 64767
          Assignee: chris at chris-wilson.co.uk
           Summary: Resizing java window leaves artifacts on windows
                    behind
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: linuxhippy at gmail.com
          Hardware: Other
            Status: NEW
           Version: git
         Component: Driver/intel
           Product: xorg

Created attachment 79537
  --> https://bugs.freedesktop.org/attachment.cgi?id=79537&action=edit
artifacts on background window

When resizing the "policytool"-application quickly with the xrender java2d
backend enabled (will be default for Java8), some artications of the
application's window are left on the window behind it (probably some
missing/buggy clipping somewhere).

Steps to reproduce:
- disable composition manager
- download the java8 runtime environment from:
https://jdk8.java.net/download.html 
- untar the archive and start bin/policytool
- open some simple application (e.g. terminal)
- resize the application window on top of the terminal quickly.

What happens:
- Some elements of the application window sometimes appear on the window of the
background application. Most often this is the first entry of the file-menu
"File" as well as some dots, as shown in the screenshot.

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