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wonko@madness.tmok.com wrote:
>
>Charles M. Hannum drunkenly mumbled...
>> 
>> No; it just shares an image or pixmap buffer.  You do *not* get access
>> directly to the frame buffer.  (The `DGA' extension in later versions
>> of XFree86 do this, mainly to speed up Quake, but I don't know how
>> portable the code is to other hardware architectures.  At any rate, I
>> don't think that's what he was asking for.)
>
>even though he wasn't asking, i'll drop this point on you guys.  anything that
>directly accesses the video hardware will break the second you try to port
>it to a SUN machine.  SUN does not allow direct framebuffer access, you
>have to use one of the video libraries to do anything "directly" with the
>framebuffer.  so, direct access to the video hardware would be a Bad Idea (TM)
>in general.

Umm... Actually, the DGA implementation was {derived from,based on,inspired by} 
Sun's DGA implementation under Solaris OpenWindows, of which the first 
popular application was DOOM.

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Matt Ragan           Corporate Information Technology       Tivoli Systems
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