Curtis L. Olson writes: > David Megginson writes:
> > What you need to do is isolate the tile manager completely, so that it > > has (almost) no dependencies on the rest of the program, except for > > one structure for data exchange. > > I don't think the solution can be that trivially simple. The render > thread has opengl/scene graph dependencies. The tile pager has > opengl/scene graph dependencies. That in itself forces you to do a > *lot* of horsing around. > > For instance, you can't directly call a plib model loader in the tile > paging thread because that could involve creating textures (which > would involve opengl calls) and you'd open yourself up for strange > crashes and wierd visual anomalies. Surely it is possible to do a byte by byte copy of the tile from disk to memory in a separate thread, without *any* Opengl/ssg/plib dependency, such that the main thread need only access memory and not disk? Cheers - Dave -- [EMAIL PROTECTED] _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
