[cairo] Potential patches (need review help)

[Bryce Harrington]

On Tue, Sep 23, 2014 at 09:59:54PM +0100, Chris Wilson wrote:
> On Tue, Sep 23, 2014 at 01:16:46PM -0700, Bryce Harrington wrote:
> > https://bugs.freedesktop.org/attachment.cgi?id=77338
> > 
> > Excludes sphinx for windows builds.  The patch is fine, but I'm
> > wondering: What is sphinx, some sort of search server?  What are we
> > using it for?  (See also fdo #29319 for another sphinx build patch).
> 
> The intention for sphinx is for detection of rendering errors inside
> applications by simultaneously rendering on to the target device and on
> an image surface and comparing the two. If it found a discrepancy, it
> would then dump the trace that reproduces the error. (Then apply
> delta-debugging to reduce that down to a minimal trace.)

Aha, understood now, thanks.

Bryce