Re: [PyOpenGL-Users] glVertexArrayd slows performance

[Simon W. <sim...@gm...>]

On 2/5/06, Douglas Taylor <dt...@sk...> wrote:
> By timing parts of the code it spends most of it's time in
>             glVertexPointerd(xyData);
> the call to glDrawArrays(GL_POINTS, 0, len(xstart)); is quite fast.
> Am I doing something wrong here? Any help would be
> greatly appreciated. Thanks,

Try sending the array to OpenGL via one glVertexPointerd call, before
you start the render loop. Then, call glDrawArrays once per frame as
usual.

There is no need to send the array down the pipe for every frame,
unless of course the vertex data changes every frame.

-Sw.