Ralf,

How would we access bitblit from Flash ? Not sure what we can do with this.

Ralph

On Dec 2, 2007 11:39 PM, Ralf Bokelberg <[EMAIL PROTECTED]> wrote:

> I'm reading O'Reilly's <a
> href="
> http://www.amazon.de/Beautiful-Code-Theory-Practice-OReilly/dp/0596510047/ref=pd_bbs_sr_1?ie=UTF8&s=books-intl-de&qid=1196633416&sr=8-1
> ">Beautiful
> Code</a>. One essay is talking about creating code at runtime in the
> Windows 95 BitBlit function. BitBlit copies rectangular bitmap areas.
> Pixels can be copied in  256 different modes in which pixels are
> combined. The modes are defined by three different parameters. Instead
> of using conditionals to determine the mode (which is the same for
> every pixel), BitBlit  renders the parameters to assembler code once,
> and executes this code for all the pixels. This gave a massive
> performance boost.
>
> I'm not sure how the current Flash 3D libraries work. Maybe they don't
> use per pixel rendering. Maybe they already use the same technology as
> the one explained above. Just in case they don't ...
>
> Cheers
> Ralf.
>
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-- 
Ralph Hauwert
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