使用jogl时,设置sun.java2d.noddraw=true,避免在DirectDraw与OpenGL来回切换导致的不可预知的行为.
The “sun.java2d.noddraw” property disables Java 2D’s use of DirectDraw on
Windows. This avoid any nasty interactions between DirectDraw and OpenGL, which
can cause application crashes, poor performance, and flickering. The property is only
needed if you’re working on a Windows platform.
Another useful command line option is “-Dsun.java2d.opengl=true” which switches
on the Java2D OpenGL pipeline. The pipeline provides hardware acceleration for
many Java 2D rendering operations (e.g. text, images, lines, fills, complex transforms,
composites, clips). It’s essential when JOGL’s GLJPanel class is employed as a
drawing surface (as explained below).
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