[compiz] Q's on how compiz works

andrew rader andrew.r.rader at gmail.com
Tue May 13 10:18:40 PDT 2008

unfortunately, I never got any response (in fact, I was starting to
even doubt I had ever sent the email :p)

The more sleuthing I do, the more it appears there aren't a lot of
people that know what compiz is doing :( Most people are content that
it just works for them...

does anyone have any clues? I'd be grateful for even a link to a
compiz design doc

On Tue, May 13, 2008 at 9:32 AM, Shane Bryan <dbryans at gmail.com> wrote:
> On Mon, Apr 7, 2008 at 10:36 AM, andrew rader <andrew.r.rader at gmail.com>
> wrote:
> > Hi all,
> >
> > I've recently become interesting in how all of the pieces of X/compiz
> > come together to do what it does, and after going through compiz's
> > code, I have a few questions that I just can't seem to find any
> > answers to.
> >
> <snip>
> > first, how does compiz know what geometry to use for the textured
> > "window" objects? It obviously can't use the width and height of the
> > window, since opengl's coordinates are going to be much different (ie.
> > between -1 and 1). I tried looking through the code, but I can't find
> > anything that appears to convert from X window coords to OpenGL
> > coords.
> >
> > second, how is the user's input mapped to windows? If my understanding
> > of compiz being an opengl app is correct, any input will be to the
> > compiz window rather than the window the user perceives to be active.
> > Is there a simple way of redirecting these inputs? or does compiz have
> > to manually map an input event to the correct window?
> >
> Just catching up on this list, and am curious about the same questions.
> I don't see a response on the list, did you get a private response you can
> share with the list, or does someone have links to where to read more about
>  this?
> Shane...

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