Most likely I will write some XRender documentation as part of my bachelor thesis.
> In a subsequent thread "2D antialiasing?" on this list, I was bemoaning > the fact that antialiasing by that method would waste huge amounts of > bandwidth if the client were separated from the Xserver by some slow > network, and someone claimed to me, offlist, that Xrender provided > server-side antialiasing. > > So I wanted to verify that claim. Now that this list has pointed me to > Keith Packard's "The X Rendering Extension", I have done a quick scan of > that, but can still find no mention of antialiasing. Moreover, that > describes the protocol, rather than the libXrender interface that is more > conveniently used to access it, Yes, that was me ;) Antialiasing is usually done by transferring the geometry you intend to render into a mask-pixmap, this can be done with: - XPutImage (client-side geometry rasterization) - XRenderAddTraps and doing a composite operation with that mask. or by using an implicit mask with: - XRenderCompositeTrapezoids However as far as I know xft already has a XRender aware backend (using the XRender*Glyphs functions), as well as legacy support for pre-xrender servers. - Clemens _______________________________________________ xorg mailing list xorg@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/xorg
