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Re[2]: [Gnash-commit] gnash ChangeLog doc/C/sources.xml

From: Udo Giacomozzi
Subject: Re[2]: [Gnash-commit] gnash ChangeLog doc/C/sources.xml
Date: Mon, 4 Jun 2007 22:26:32 +0200

Hello Rob,

Monday, June 4, 2007, 7:01:07 PM, you wrote:
RS>   I am not convinced this correctly identified the problem. You backed
RS> out everything I changed and it made no changes, so I fail to see the
RS> point.

Not everything. I could not test your Makefile/configure patches and
that's why I was asking for your help. I did various builds before and
after that commit and *all* showed that performance decreased
dramatically after the commit. It would be great if at least somebody
could confirm the symptoms by simply building both versions and
running profiler.swf. exists for that

I'm currently loosing lots of time with this problem - time I'd prefer
to invest in other Gnash development tasks. I still /use/ a Gnash
checkout from May 09th because current Gnash CVS version is not
usable for me.

RS> I am sorry you are obviously upset that AGG is not currently the
RS> default for people that build Gnash from source.

Yes, I expected you would say that. No, it's not the point that I did
write the AGG backend. It's a fundamental thing. It would make no
difference for me if the topic hypothetically was "The FFMPEG backend
plays all sounds correctly, but we default to GStreamer - even if it
can't play some sounds - because it uses less CPU.". So, again, I'm
*not* upset. Instead, I fear we will get bug reports related to OpenGL
rendering quality. Sure, people will complain about lacking
performance with other renderers, but won't file a bug report for

RS> This is *not a big deal*, let's not blow this out of proportion.


>> BTW, is AGG really so much slower when playing YouTube so that one
>> notices the difference?

RS>   Yes.

Interesting! Then please tell me about it. YouTube videos play very
smooth on my laptop with about 20% CPU usage last time I checked.
Please tell me more about your experiences.

RS> I totally appreciate the
RS> energy and time you have put into the AGG renderer. My wanting to use GL
RS> as the default for source builds is not meant to slight AGG at all.

Again, I have no problem with non-AGG renderers! I'm really objective
in this regard...

RS> I'm just trying to reduce the incoming stupid bug reports.

We want the same thing, but have different predictions.

RS>   Some of us *are* focused on the release, so it's normal we have
RS> differing priorities.

So I conclude that performance is a priority, so *please* let's have
a look at that commit. I expect that it's a stupid little thing we
will find *together* in maybe an hour so we can remove that brake
block without much effort and boost Gnash rendering performance with
*all* rendering backends. Does that sound good?


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