[SDL] Quick Question about animation.

[Scott Harper]

What you certainly COULD do if you wanted (and made your game require  
newer graphics technology) is render to texture paste the extra  
textures on top of your actual rendering where they used to be, just  
faded out as they went progressively back in time, making sure you  
stopped rendering NEW textures and started uploading to old ones,  
perhaps a cyclic array setup would work for this.

I seem to recall there are three ways to render to a texture, at  
least one of which works on older cards but is a bit slower due to  
copying, and one for newer cards which is faster as it renders  
directly into the texture memory.

-- Scott

On Mar 20, 2007, at 2:42 AM, Alberto Luaces wrote:

> El Lunes, 19 de Marzo de 2007 22:02, Kuon - Nicolas Goy - 時期精 
> 霊 (Goyman.com
> SA) - 675 escribió:
>> Yes. If I remember correctly, there are some example of blur effects
>> in the red book.
>
> But IIRC those effects where implemented with the OpenGL  
> accumulation buffer,
> a feature commonly *not* available on usual graphic cards, so  
> you'll have a
> big performance penalty as the rendering will be done in software.
>
> Alberto
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