Re: [Tuxmath-devel] fb console problems

[Samuel H. <cri...@ge...>]

On Thursday 29 November 2001 05:17, Calvin Arndt wrote:
> When run on the framebuffer console (ie. no X) tuxmath flashes the
> comets, cities and tux at his desk. It appears to happen at framerate
> one frame the parts are visible and the next they're invisible.
>
> This only applies to the console game, works fine under X.

I have noticed some issues with writing SDL apps under the fbcon like these, 
but I am yet to completely figure out what is causing them. They happen 
pretty much uniformly whether we use SDL_FLip(..) or SDL_UpdateRects(..)

> Also I've noted that if the data is missing or placed incorrectly
> instead of the error being handled graciously as it is in X, when on
> the console the error causes a complete lock up.

Well, then don't do that ;-)

Actually, this could potentially be a problem we'll want to look into.

> I've verified this on several different setup (video cards, cpu's
> distro's and gcc's 2.7 up to 2.9.3)
>
> On very fast machines 300mhz or faster running with kernel 2.4.8 (and
> newer) and X 4.1 (low latency stuff) the number of comets and the speed
> with which they desend drops to less than 10 seconds for the fall and
> I've seen as many as 8 - 12 comets on the screen at once!
>
> Also under those conditions the numbers seem to get rediculously large
> for the math operations (137 * 11!!!) I can't even get that one!!!

Right, these are all settings we originally wanted to handle in the options 
screen. Bill (or anyone), any work being done on the options screen? I think 
we've gotten quite a few ideas and we should probably just proceed on it.

-- 
Sam "Criswell" Hart <cri...@ge...> AIM, Yahoo!: <criswell4069>
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