[pygame] Re: Accessing opengl surface as a numpy array

[nbl <nblouveton@xxxxxxxxx>]

Thank you Ian !

I just tried it and glReadPixels does the job ! However it clearly
slows down the rendering loop...

Probably because it is a copy operation, is there not a direct access
method to the pixels data ?

Sorry for my ignorance of OpenGL, I guess I would find a good book on
it !

Nicolas

On 12 nov, 16:11, Ian Mallett <geometr...@xxxxxxxxx> wrote:
> Hi,
>
> What you want to do, you can't do the same way.  What you'll need to do is
> copy the rendered pixels back from the graphics card with glReadPixels(...),
> or a similar method.
>
> Ian