[Bug 2571] New: xrender pipeline creates graphics corruption

[bugzilla-daemon at icedtea.classpath.org]

http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=2571

            Bug ID: 2571
           Summary: xrender pipeline creates graphics corruption
           Product: IcedTea
           Version: 7-hg
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: IcedTea
          Assignee: gnu.andrew at redhat.com
          Reporter: tdaitx at gmail.com
                CC: unassigned at icedtea.classpath.org

Created attachment 1398
  --> http://icedtea.classpath.org/bugzilla/attachment.cgi?id=1398&action=edit
fix openjdk-7 xrender graphics corruption

As reported in
https://bugs.launchpad.net/ubuntu/+source/openjdk-7/+bug/1101348
https://bugs.launchpad.net/ubuntu/+source/openjdk-7/+bug/1032936

Original issue report and fix for OpenJDK 8 at
https://bugs.openjdk.java.net/browse/JDK-7105461

Ubuntu has been using this patch since 10 Jul 2014.

Please advise on whether this patch is acceptable for IcedTea 2.5/2.6 or not.


>From LP: #1101348
=================
Activating the XRender-Pipeline in openjdk-7 for usage with netbeans creates
graphics corruption when scrolling.

For details please see the post on the xrender-dev mailinglist:

http://mail.openjdk.java.net/pipermail/xrender-dev/2013-January/000049.html

The corruption can be seen in this screenshot:

http://mail.openjdk.java.net/pipermail/xrender-dev/attachments/20130108/3d37aeb9/Screenshot-0001.png

Clemens Eisserer created a patch for openjdk-8, which he kindly pointed me to.
I took that patch and applied it to the openjdk-7 package and it works in
openjdk-7.

Currently I rebuild the openjdk Package on each new release and replace the
rt.jar - it would be nice if the patch could be integrated into the build
process.

I'll attach the patch I created (this is just a minor change from the original
version of Clemens Eisserer).

Ubuntu version:

Description: Ubuntu 12.10
Release: 12.10

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