[PD] (GEM) Getting the z-buffer value of a pixel in a rendered image

[matteo sisti sette]

2011/6/16 Jack <jack at rybn.org>:
> Le jeudi 16 juin 2011 à 14:21 +0200, Jack a écrit :
>> It is possible to use shader to define the z-buffer.
> What i mean is not z-buffer but depth of a vertex.

Yeah that's exactly what I was looking for.
I thought that depth was what is saved in the z-buffer. My
understanding of OpenGL is quite poor...

Thank you very much
m.