[haiku-appserver] Re: moving windows using 2D HW ACC

Hi,

Rudolf wrote:
>>      In the mean time I would like your opinions regarding those:
>>1. See which is the biggest rectangle in the new window's visible 
>>region 
>>and use 2D ACC to copy from old location.
> 
> Correct.
> 
>>Then copy all other rectangles 
> 
> All smaller rectangles of course can be copied using 2D acc as well. 
> You simple make a list of all parts that are currently visible but need 
> to be moved. That list you send as a single ACC command.
> 
>>by copying them into main memory and then paste to new location. 
>>(that 
>>is if the new location overlaps the original location, else copy each 
>>rect using HW ACC)
> 
> Overlaps you do not need to concern yourself with. It's the task of the 
> accelerant to blit in the right direction. Just give a source and dest 
> rect list to the accelerant's command.

        
        Oh, yeah baby! I'm so glad to hear this!
        I'm *not* so glad :-) to admit how stupid I was. :-D I didn't even 
looked at Accelerant.h before writing this email.
        Thanks Rudolf for enlighten me!

Bye,
Adi.

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