[OpenJDK 2D-Dev] [9] Review Request: 8028486 java/awt/Window/WindowsLeak/WindowsLeak.java fails

Sergey Bylokhov Sergey.Bylokhov at oracle.com
Mon May 2 20:26:41 UTC 2016

Please review the fix for jdk9.

Bug evaluation was done by Anton:

This is a cross-platform bug it affects d3d/ogl pipelines. The problem 
is that BufferedContex cached information to skip some native 
reconfigurations. But this cache cause a memory leak if some 
data(src/dst surfaces) was cached and there was no new rendering in this 
context(we create context per-d3d_device/ogl_config).

In the fix I changed all these caches to weak references. Note that i 
use a references as initial values instead of null, just to eliminate 
the null checks in the body of the method.

The test was updated to be more stable(flushed the EDT + flushed the 
Disposer thread).

Bug: https://bugs.openjdk.java.net/browse/JDK-8028486
Webrev can be found at: http://cr.openjdk.java.net/~serb/8028486/webrev.00

Best regards, Sergey.

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