Re: can CE display driver support both rotation and directdraw?

From: Dean Ramsier (dramsiernospam_at_accelentnospam.com)
Date: 04/29/04 

Date: Thu, 29 Apr 2004 08:40:32 -0400

1) Yes, for applications that support DirectDraw. The general overhead is
less, and the improvement can sometimes be dramatic.

2) No. DirectDraw and screen rotation are mutually exclusive. CE cannot
support both. 

-- 
Dean Ramsier - eMVP
Accelent Systems
http://www.accelent.com
"yHuang" <huangyi@bokia.net> wrote in message
news:559ee802.0404290055.30431399@posting.google.com...
> Hi.I am using CE.net 4.2 on intel pxa263.
> The display driver supports screen rotation by porting the rflat driver.
> Now,my question is:
> 1)Will DirectDraw improve the video performance even without hardware
acceleration ?
>
> 2)Is it possible to develop a driver support both rotating and DirecDraw?
>   The sample Geode Gxvideo can only support one feature at the compilation
time.
>
> Thanks

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