[SDL] colour blocks

[Henry Gomersall]

On Thu, 2002-11-21 at 01:13, Robert Diel wrote:
> Unless I am being totally silly here I would assume that SDL_flip waits
> for the next vertical retrace to flip the buffer.  It does however imply
> that the vertical retrace fix only works with Hardware surfaces, which
> you may or may not have access to. 
> 
I do (as far as I know) have access to hardware surfaces. I am
explicitly requesting a hardware surface and returning an error if it
can't be found (at least I think I am, I'm not sure if SDL defaults to a
basic minimum if it can't be found).

I experimented with HW surfaces, however, I could not get them to work
properly. I kept getting errors when I tried flipping. Perhaps I should
try again and get back.

thanks

Henry Gomersall
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