Re: [PyOpenGL-Users] Fastest way to draw lots of points

[Ryan H. <rm...@gm...>]

I think miss the point that this is a moving star field, the points
are in new locations every frame. I dont see how display lists can
help with dynamic data.

On Fri, Oct 19, 2012 at 1:00 PM, Ian Mallett <geo...@gm...> wrote:
> The most efficient ways to draw points are none of what you have here. You
> should look into display lists (or better, VBOs).
>
> Most of your overhead is caused by having to transfer all the data across
> the graphics bus to the GPU each frame. Display lists and VBOs both transfer
> the data once and then invoke the GPU to draw the cached data.
>
> Ian



-- 
Ryan Hope, M.S.
CogWorks Lab
Cognitive Science Department
Rensselaer Polytechnic Institute