Re: [Qemu-devel] QEMU Video Driver for Win NT-based systems

[Filip Navara <xnavara@volny.cz>]

That's matter of the drivers. The nVidia Detonator drivers have the GDI 
accelerated functions of course.

- Filip

Natalia Portillo wrote:

>I don't think the nVidia GeForce FX has GDI acceleration.
>
>So how is it accelereting 2D applications (not games, so GDI not DirectDraw) in Windows 95?
>
>On Thu, 13 May 2004 10:56:30 +0100
>Jamie Burns <jamie.burns@dynamicexpression.co.uk> wrote:
>
>  
>
>>I double that. GDI and DirectDraw are different things.
>>
>>Nearly all cards have for some years supported *both* GDI acceleration (from
>>Windows 3.1 days...) and DirectDraw acceleration (from Windows 95 days...).
>>Although they support both, they are different sets of code for different
>>purposes.
>>
>>----- Original Message ----- 
>>From: "Filip Navara" <xnavara@volny.cz>
>>To: <qemu-devel@nongnu.org>
>>Sent: Thursday, May 13, 2004 8:53 AM
>>Subject: Re: [Qemu-devel] QEMU Video Driver for Win NT-based systems
>>
>>
>>    
>>
>>>Natalia Portillo wrote:
>>>
>>>      
>>>
>>>>Then, why do you require DirectDraw support for activating acceleration?
>>>>Is simply.
>>>>
>>>>When no acceleration is, the GDI calls are rendered manually, when it is
>>>>        
>>>>
>>activated, they are rendered through DirectDraw.
>>    
>>
>>>>        
>>>>
>>>No they aren't. Please trust me on this, I know quite a bit of details
>>>of the Windows NT (and 9x also) architecture and this is just not true.
>>>
>>>
>>>      
>>>
>>http://msdn.microsoft.com/library/default.asp?url=/library/en-us/graphics/hh/graphics/dispvid_2003_7z53.asp
>>    
>>
>>>- Filip
>>>
>>>
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>>>
>>
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