Well it seems like true double buffering would be solving a problem we 
don't really have in Flash. I've also heard the term "blitting" be 
applied to this technique in Flash. There are a couple videos up on the 
fitc.ca site from the toronto 07 conference that discuss this.

Austin Haas wrote:
> Double buffering isn't about performance. It's about drawing the next screen 
> before the monitor does a vertical sync. The purpose of double buffering is 
> to avoid graphic issues like tearing and shearing that occur when the screen 
> is being updated at the same time as it's being drawn.
>
> You can use two buffers to simulate the double buffer technique, and there 
> might be some performance gains there, and you might reduce the chances of 
> tearing/shearing, but calling that double buffering would be an abuse of 
> terminology, as that term already has an accepted meaning. You would be 
> misleading anyone who was looking for a solution to the real problems that 
> double buffering is intended to solve.
>
> I'd really like to know if there are performance gains with this technique in 
> Flash. I thought that I tried it a while back, but abandoned the idea after 
> seeing no real gains. Does anyone have any data or a live comparison?
>
> -austin
>
>   


_______________________________________________
osflash mailing list
[email protected]
http://osflash.org/mailman/listinfo/osflash_osflash.org

Reply via email to