| From: | Paul Hill |
| Date: | 12 Jul 2000 at 08:52:03 |
| Subject: | Re: gfx card speed issues |
Daithi O'Cuinn wrote:
>
> Hello David
>
> On 06-Jul-00, David McMinn wrote:
> > Hi Paul
> >
> >> True, but I've got no experience of this. Wouldn't this require both
> >> buffers to be in video ram though?
> >
> > Thats what I thought. If not, it would spend time switching your buffer into
> > memory from fast (although not display it). IYSWIM. At least, thats my
> > thinking of how it works, which is probably wrong.
>
> This is correct. The reason for drawing into the buffer instead of direct to
> the screen is to prevent flicker. Bitmaps can be held in fast-ram, but there
> will be a very noticeable slowdown.
But surely fast ram is better because the CPU can access this a *lot* faster?
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