JDK-6521434 : OGL: enable sun.java2d.opengl.lcdshader by default
  • Type: Bug
  • Component: client-libs
  • Sub-Component: 2d
  • Affected Version: 6
  • Priority: P4
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2007-02-05
  • Updated: 2017-05-16
  • Resolved: 2011-05-17
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JDK 6 JDK 7 Other
6u4Fixed 7 b10Fixed OpenJDK6Resolved
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Description
In 6274813, we introduced OpenGL acceleration of LCD-optimized text.  At the time
there were some driver bugs that prevented us from enabling this support by default,
so we provided a system property (sun.java2d.opengl.lcdshader, disabled by default)
that allowed users to manually enable this feature.  Since that time, the related
driver bugs have been fixed, and performance keeps getting better with newer
generations of graphics hardware.  Therefore, we propose to enable this flag by
default when the OGL pipeline is also enabled.

Comments
EVALUATION Make -Dsun.java2d.opengl.lcdshader=true the default (when -Dsun.java2d.opengl=[T,t]rue has also been specified). Developers can manually override this behavior by specifying -Dsun.java2d.opengl.lcdshader=false on the command line, in case of future driver issues (not likely).
05-02-2007