Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!decwrl!shelby!med!hanauma!rick
From: rick@hanauma.stanford.edu (Richard Ottolini)
Newsgroups: comp.windows.x
Subject: Re: X proto extensions for 2D image processing
Message-ID: <2071@med.Stanford.EDU>
Date: 7 Sep 90 15:16:41 GMT
References: <1626@rrzbu.hanse.de>
Sender: news@med.stanford.edu (USENET News System)
Organization: Stanford University, Department of Geophysics
Lines: 8

In article <1626@rrzbu.hanse.de> arne@rrzbu.hanse.de writes:
>Do any X protocol extensions exist, that deal with 2D image processing
>i.e. implement filtering, FFT etc. on window/framebuffer contents?

You may have to write very specialized extensions yourself.
There are examples--shared memory, non-rectangular windows--in the
distribution tape.  From these examples it seems that extensions can be
isolated and additive, so they don't interfere with the base code.