gtkglarea: fixes #64 force redraw when buffer_age is 0, which means invalid....
gtkglarea: fixes #64 (closed) force redraw when buffer_age is 0, which means invalid. used by software renderers. in detail explained here: #64 (closed)
gtkglarea: fixes #64 (closed) force redraw when buffer_age is 0, which means invalid. used by software renderers. in detail explained here: #64 (closed)