On Mon, 2010-05-24 at 10:17 +0200, Oscar Lazzarino wrote: > On Fri, May 21, 2010 at 9:16 PM, Emmanuele Bassi <ebassi@xxxxxxxxx> wrote: > > On Thu, 2010-05-20 at 12:41 +0200, Oscar Lazzarino wrote: > >> Hi, I'm trying to catch the unmap or unmap-event signals, but it looks > >> to me like they are not emitted. > > > > don't. > > > > https://bugzilla.gnome.org/show_bug.cgi?id=613302 > > > > * For performance reasons GTK+ may not emit ::unmap-event, so one > > * should always also implement ::unrealize in order to release > > * resources and disconnect signal handlers. > > But you CAN'T release your textures and other GL resource in the > unrealize method, because the gdk window will be already unmapped > then, and gl_begin (either as glwindow->gl_begin(get_gl_context()) in > C++ or gdk_gl_drawable_gl_begin (gldrawable, glcontext in plain C) > will fail :-/ I suggest you look at the APPLE_purgeable_object extension if you want to forcibly evict resources from the GPU memory - but mind you: it should not be strictly necessary. resources are usually garbage collected by the drivers. ciao, Emmanuele. -- W: http://www.emmanuelebassi.name B: http://blogs.gnome.org/ebassi _______________________________________________ gtk-list mailing list gtk-list@xxxxxxxxx http://mail.gnome.org/mailman/listinfo/gtk-list
