Hi, Monge Maurizio <[EMAIL PROTECTED]> writes:
> I think a key option to have a lightweight window manager are clippers > (maybe in software). > If a surface can have blits, draw, etc. without to invade a region, then a > window (without alpha blend) could be just a subsurface of the primary > woth the correct clipper, and the clipper could change when the window is > resized/moved. in fact we have a clip rectangle and GTK+-DirectFB makes heavy use of it. Each X11 child window is just a subsurface on the main window and all drawing is clipped to the subsurface (or its clipping rectangle if one is set). > This would be very nice for common desktop apps, preventing a great > number of drawing threads. In facts i ported eboard to > gtk2-directfb and i found that (even without alpha, on a matrox > g400!) graphics were very slow, slower then under X :-( which version of GTK+-DirectFB were you using? I've benchmarked this stuff and I've always had sligthly better numbers for GTK+-DirectFB. Salut, Sven -- Info: To unsubscribe send a mail to [EMAIL PROTECTED] with "unsubscribe directfb-dev" as subject.
