2012/12/10 Carlos López González <genet...@gmail.com>: > Hi Konstantin, > I think that use a cairo_gl_surface is exactly the same than write directly > to the screen. > If you read the code to create a cairo_gl_surface in the link from the > stackoverflow thread (I've read that thread thousands times!), it creates > the surface based on the device and it is created based on the display and > the context (glX context) so I think it is for direct draw on the screen. > > dpy = XOpenDisplay (NULL); > visinfo = glXChooseVisual (dpy, DefaultScreen (dpy), rgba_attribs); > ctx = glXCreateContext (dpy, visinfo, NULL, True); > device = cairo_glx_device_create (dpy, ctx); > surface = cairo_gl_surface_create (device, CAIRO_CONTENT_COLOR_ALPHA, size, > size); > > In any case, use a cairo_gl_surface doesn't solve the synchronization > problems. > How do we assure that each renderer doesn't remove the results of the other > renderers if they aren't in synchronization? > > I'm lack of knowledge about how the opengl programs work but I guess that > somehow there should be a buffer that would act like if it were the screen > (and where the GPU draws to) that is transferred to the screen synchronized > with the device refreshing to avoid jitter. > > I'm sorry but my mind is about to explode... > ^__^
Maybe there is some widget similar to one that Qt have? - http://doc.qt.digia.com/qt/qglwidget.html#details I don't know if such one exists for gtk... BTW, maybe it worth to look how rendering implemented in Uioimae's branch? K. -- http://morevnaproject.org/ ------------------------------------------------------------------------------ LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial Remotely access PCs and mobile devices and provide instant support Improve your efficiency, and focus on delivering more value-add services Discover what IT Professionals Know. Rescue delivers http://p.sf.net/sfu/logmein_12329d2d _______________________________________________ Synfig-devl mailing list Synfig-devl@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/synfig-devl
