[PD] glsl geometry error "GL: invalid operation"

IOhannes m zmoelnig zmoelnig at iem.at
Thu Dec 17 10:48:45 CET 2009

sleeping birds wrote:
> hello kind pders,
> i have trouble figuring out, why the 10.geometry help-patch does not
> work for me.
> starting rendering constantly prints out "GL: invalid operation" to the
> console.

apart from the printout, does it work?
(sometimes you get an error even though everything appears to work)

> i tried finding out, whether it was a limitation of my gpu, but don't
> think so since i am using a Nvidia 9600M GT on a macbook pro (and once
> saw a list somewhere, where the opengl version and features where listed).

you can send [print( to the [gemwin] to get such a thing.
in theory, Gem shouldn't even call a code that is not supported by your

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