hg: openjfx/8/graphics/rt: Fix for rt-23238 fb/dfb clear screen when application exits. This fix is for the eglfb path only. Tap into the shutdown hook to clear the gl context before we exit in the case of ctrl-c. Reviewed by ddhill, ckyang, kcr.

[hang.vo at oracle.com]

Changeset: 238efd338f9f
Author:    Lisa.Selle at oracle.com
Date:      2013-10-21 11:14 -0400
URL:       http://hg.openjdk.java.net/openjfx/8/graphics/rt/rev/238efd338f9f

Fix for rt-23238 fb/dfb clear screen when application exits. This fix is for the eglfb path only.  Tap into the shutdown hook to clear the gl context before we exit in the case of ctrl-c.  Reviewed by ddhill, ckyang, kcr.

! modules/graphics/src/main/java/com/sun/prism/es2/ES2Context.java
! modules/graphics/src/main/java/com/sun/prism/es2/ES2Pipeline.java
! modules/graphics/src/main/java/com/sun/prism/es2/ES2ResourceFactory.java