[mapserver-dev] OpenGL Contribution

[Paul Ramsey]

Sounds like for moderately complicated maps the speed improvement
meets the "order of magnitude" test of optimization worthiness. I'm
all for this, it's killa.

P.

On Sun, Dec 14, 2008 at 6:59 PM,  <toby.rahilly at gmail.com> wrote:
> Unfortunately I do now have access to the more detailed debug timings at the
> moment, but in general a central city map rendered in AGG took 2 Seconds,
> rendered in OpenGL took ~150ms with pre-rendered textures on a 7800GT Nvidia
> video card. Biggest improvements were in layers with repeated complicated
> symbols suchs as train tracks and also label rendering time was hugely
> improved. OpenGL was still significantly faster than AGG in detailed layers
> that do not make use as textures, such as cadastre and road layers. I am not
> sure of a use case where the textures would need to be frequently
> re-rendered. I will post more detailed timings as soon as I have them
> available, but it might not be until next week.