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Re: [Gnash-dev] Gnash tutorial on profiling the renderer

From: strk
Subject: Re: [Gnash-dev] Gnash tutorial on profiling the renderer
Date: Sun, 26 Apr 2009 19:28:17 +0200

On Sun, Apr 26, 2009 at 07:16:08PM +0200, Udo Giacomozzi wrote:

> It's called "bitmap caching" and can be set at design and run time.
> Gnash could go a step further and do automatic bitmap caching for any
> movie clip which could benefit from it as long as not too many
> resources are used. The tricky part is finding a good detection and
> selection algorithm since bitmap caching means higher memory usage and
> might be useless in many cases (even worse: it would slow down
> rendering).

I'm not sure automating this would be "going further".
Only the author knows what's worth caching and what not.
Anyway, I wouldn't approach the "auto" cache until the explicit
one is implemented (which isn't yet in Gnash).

For the specific case, they have control over the SWF ...
It'd be just gnash lacking.

> BTW, there is an impressive AGG demo which demonstrates the benefit of
> bitmap caches. In the demo (search for "AGG particle demo"), it
> multiplicates frame rate by factor 10.

Can't find in, can you ?


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