[SDL] 2D rendering poll, status + addition

IoDream IoDream at ifrance.com
Wed Sep 25 11:20:01 PDT 2002


Personally I would prefer 512x384 with 50-60 fps ;)

Best Regards,
^IoDream^

----- Original Message ----- 
From: "David Olofson" <david.olofson at reologica.se>
To: <sdl at libsdl.org>
Sent: Wednesday, September 25, 2002 7:23 PM
Subject: Re: [SDL] 2D rendering poll, status + addition


On Wednesday 25 September 2002 16:56, Jimmy wrote:
[...]
> For example, 30fps wouldn't be adequate for a heavy arcade game like
> abuse, whereas 30 would be acceptable for an RTS like StarCraft.  In
> both cases (now anyway) 320x240 (or 200) is too low.
> So the answer is... both... depending :).  If a game was forced
> signifigently under 30fps, sacrifice detail like image quality or
> transparencies for resolution.  I can't think of any case in which
> 320x240 is acceptable anymore in modern games.

Right. It's really the last resort, and it's questionable if it's at all 
worth the time needed for implementing it. Given software rendering 
support, it's "just" a matter of scaling graphics down, but doing it 
*nicely* is far from trivial. (One would probably have to use some kind 
of adaptive high degree interpolation to avoid just blurring all detail 
away.)


> That being said, it's impossible to make a visually competitive pure
> arcade without acceleration, so much of the argument is moot.  (notice
> I said competitive and pure arcade)

Yeah. For actual arcade machines, normal PC games (ie "requires P-II 300 
or faster + OpenGL with at least 32 MB VRAM") and games for new (3D) 
consoles, software rendering is just not relevant. Well, except for some 
procedural texture effects, perhaps.

And of course, for all these personal hobby projects, it's probably 
better to pick a tool that delivers useful results with reasonable 
development effort, and just focus on the *game*. Spending months 
optimizing a software engine that's shot down by the CPU/VRAM bottleneck 
anyway just doesn't seem very sensible, IMHO.


//David Olofson --- Programmer, Reologica Instruments AB

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