Buffering

Enable double buffering for video output

This will return the level of nested output buffering handlers.

In Jelly Bean, we also introduced triple buffering in the graphics pipeline.

This function discards the contents of the output buffer and turns off output buffering.

You still can use output buffering if you want to defer or manipulate standard output.

If I hit play, it goes into buffering and then to 1, which is playing.

And it just feels much more silkily smooth. That's the triple buffering and vsync in action.

This will return the contents of the output buffer or FALSE, if output buffering isn 't active.

This will return the length of the contents in the output buffer or FALSE, if output buffering isn 't active.

Option to choose whether double buffering should be used for video output. This option is recommended, it gives smoother display in many cases.

To sum up all the opaque objects are rendered first, with Z buffering on, blending is then turned on for the transparent objects that follow.

Option to choose whether direct rendering should be used for video output. This option may give performance improvement, but may also cause video display problems, for example when used along with double buffering option or when playing with subtitles.