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RE: DDraw Blt vs BltFast
- From: Alexander Gottwald <Alexander dot Gottwald at informatik dot tu-chemnitz dot de>
- Cc: cygwin-xfree at sources dot redhat dot com
- Date: Mon, 11 Mar 2002 21:20:52 +0100 (MET)
- Subject: RE: DDraw Blt vs BltFast
On Mon, 11 Mar 2002, Harold Hunt wrote:
> Alexander,
>
> Because the following article:
>
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wcegmm/htm/
> ddover_51.asp
>
> states that:
>
> "BltFast cannot be used on surfaces that have an attached clipper."
Ok.
> We use a clipper to account for any other Windows window overlaying our
> window, which would cause a portion of our blit destiation to be
> undrawable... which would mean that we wouldn't be allowed to use BltFast.
>
> Now... could we use BltFast in DirectDraw fullscreen modes?
Not needed. The blitting does not slow down the server significantly. I
think the cygwin socket layer slow much more.
> But, you are welcome to try it...
Hell no ;) It was just a thought.
bye
ago
--
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