[Fluxus] obj loading speed

[Dave Griffiths]

Hi Gabor,

On Sun, 2010-01-17 at 01:33 +0100, gabor papp wrote:
> > In that case, a quick fix might be to save out the primitives from
> > fluxus, as they should be quicker to load back in once processed this
> > way.
> unfortunately that didn't work, because the conversion algorithm still 
> had to process all indices.

It's a long time since I looked at this code, but could it test if all
the indices were the same for a vertex and skip the processing?

I'm not sure what the long term answer is though.

> i optimized the loading a bit by merging the vector loading and storing 
> the unified index per face vertex. on a 1 megabyte obj file, the loading 
> time dropped from 5.6 seconds to 2.1, which is still too slow.

Thanks for this - am I missing some faster way, e.g. some way to use
separate indices in OpenGL?

cheers,

dave