[PATCH] fb: Fix Bresenham algorithms for commonly used small segments.

Alex Orange crazycasta at gmail.com
Fri Oct 31 12:25:27 PDT 2014


A request has been made to back-port this to "older branches" presumably
just 1.16. Do I just apply the same patch to the 1.16 branch, and repeat
the process (i.e. get someone to test and review it).

Alex

On Mon, Oct 27, 2014 at 5:37 PM, Keith Packard <keithp at keithp.com> wrote:

> Peter Harris <pharris at opentext.com> writes:
>
> > On 2014-10-03 17:41, Alex Orange wrote:
> >> Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=54168
> >>
> >> Fix errors introducted in 863d528a9f76d0e8f122aebf19f8564a4c67a938. Said
> >> patch does indeed remove the problematic writes to bad memory, however
> >> it also introduces errors in the algoritm. This patch has the effect of
> >> reverting said patch and adding an if in the proper location to catch
> >> the out of bounds memory write without causing problems to the overall
> >> algorithm.
> >>
> >> Signed-off-by: Alex Orange <crazycasta at gmail.com>
> >
> > Reviewed-by: Peter Harris <pharris at opentext.com>
> > Tested-by: Peter Harris <pharris at opentext.com>
>
> Merged.
>    ea5b2b0..1b94fd7  master -> master
>
> --
> keith.packard at intel.com
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.x.org/archives/xorg-devel/attachments/20141031/95c717f3/attachment.html>


More information about the xorg-devel mailing list