>
>> understand the documentation, particularly the distinction between
>> postSwap() and postRender().
>
>postRender is after the 3D graphics rendering has finished and
>postSwap() is after any other composition might be finished. Effectively
>postSwap() is the last thing to occur before the background buffer is
>blitted to the screen.
>
>
Not quite. postRender() is called when all geometries in the scene
graph have been rendered. This is the last chance for an application
to render into the back buffer before the back buffer is swapped into
the front buffer. postSwap() is called after the back buffer has been
swapped into the front buffer. Since readRaster() may only read the
front buffer, all image capture features need to be done in postSwap().
Doug Twilleager
Sun Microsystems.
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