this is what I missed, thanks

a

Le ven. 19 juil. 2019 à 13:18, IOhannes m zmölnig <zmoelnig@iem.at> a écrit :
On 7/19/19 12:28 PM, Antoine Villeret wrote:
> Hi,
>
> I'm working on a new object to play video and draw them directly into a
> frame buffer (I'm using libvmpv[1] to do so).
> This object will be publicly released on the end of august.
> In the meantime, I have optimisation trouble.
> The object inherit from gemframebuffer object and I would like to redraw on
> the fbo only when a new frame is available, for performance reason.
> But in my render() method,if I do not call gemframebuffer::render() then I
> get in the Pd's console :
>
>     GL[1284]: stack underflow error
>
> I'm wondering how I can get rid of this ?

most likely (i haven't looked at the code...) you will also have to
override the gemframebuffer::postrender() method.

mgdsar
IOhannes

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