<div style="line-height:1.7;color:#000000;font-size:14px;font-family:arial">hi,Peter<br><br>Thanks for your reply~<br><br>Now I got the direction!<br><br>I will try to optimize the xserver/fb and use the cairo-perf-trace for testing<br><br><br>Best Regards,<br>David<br><br><div></div><div id="divNeteaseMailCard"></div><br><pre><br>ÔÚ 2011-12-05 23:47:57£¬"Peter Harris" <pharris@opentext.com> дµÀ£º
>On 2011-12-05 06:39, Ñî˧ wrote:
>>
>> 1.I recompile the pixman with enable-neon,but when I use the x11perf for
>> testing ,I can¡®t see the significant difference between the pixman with
>> neon and pixman without neon.That's why?
>
>x11perf is an older test suite, and mostly only tests core graphics.
>Only x11perf -compwinwin and -comppixwin will make heavy use of pixman
>(along with the new-style text tests, a*text, aa*text and rgb*text to
>some extent).
>
>The good news is, most modern applications draw using those requests.
>
>> 2.xserver use which drawing library to resizing the window,scroll the
>> text window ,and so on?
>
>Depends on the application. Either pixman, or the fb directory of the
>server.
>
>> 3.which library excepts pixman could I optimize using neon to improve
>> the performance of xserver?
>
>xserver/fb
>
>But first, make sure you're working on something that matters to your
>application. In particular, cairo-perf-trace is probably more relevant
>these days than x11perf. See
>http://cgit.freedesktop.org/cairo-traces/tree/README
>
>Peter Harris
>--
> Open Text Connectivity Solutions Group
>Peter Harris http://connectivity.opentext.com/
>Research and Development Phone: +1 905 762 6001
>pharris@opentext.com Toll Free: 1 877 359 4866
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