Yes it helps a lot. There are colored lines appearing in background, setting the looped gemframebuffer perspec fixes it, I will try now to found out how to turn background's black pixels to transparent.
Colet Patrice ----- Mail original ----- > De: "Jack" <j...@rybn.org> > À: pd-list@iem.at > Envoyé: Jeudi 3 Octobre 2013 12:43:36 > Objet: Re: [PD] RE : Re: need help with gem and glsl feedback > > > > Le 03/10/2013 11:23, Patrice Colet a écrit : > > > Hello, > > I'm trying to find out how to get a backbuffer for attached shader > found in the web ( http://glsl.heroku.com/e#8849.0 ), it seem I > couldn't get alpha channel in gemframebuffer's recursion, any idea? > > I just added a line at the begining and an other one at the end of > fractalFeedback.frag to change the alpha for the feedback. > I also change the texunit ID backbuffer to 0 in the patch. > You can change alpha feedback with the number box i added in the > patch. > Hope it helps. > ++ > > Jack > > > > > _______________________________________________ > Pd-list@iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > _______________________________________________ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
