Re: Problem Converting Apple IIgs' RGB to VGA?

["Bryan Parkoff" <nospam@nospam.com>]

"mdj" <mdj.mdj@gmail.com> wrote in message 
1157446692.415946.72270@i3g2000cwc.googlegroups.com">news:1157446692.415946.72270@i3g2000cwc.googlegroups.com...
>
> Bryan Parkoff wrote:
>
>>     Hi, how do you know that 16 bit RGB data is slower than 24/32 bit RGB
>> data?
>
> Unless you're in full screen mode, you're restricted to the actual
> target visual which on a modern machine is going to be 32 bit. 16 bit
> colour needs to undergo a transform to 24/32 bit.
>
> Assuming you're just blitting straight to the video framebuffer, you'll
> most likely get better results in a 32 bit visual.
>
> Anyway, if you're going to the trouble to write this code, why would
> you use direct3D? You could just as easily use SDL, or even OpenGL, and
> have code that'll run on practically anything.

Matt,

    I did take a look at SDL.  I have found that SDL is still using DirectX 
functions.  However, the programmers can use SDL functions to work with any 
operating systems.  If they choose Win32 API, SDL will link to use DirectX. 
Please correct me if I am wrong.

Bryan Parkoff