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Re: [Gnash] MX components, antialiasing with openGL

From: strk
Subject: Re: [Gnash] MX components, antialiasing with openGL
Date: Thu, 11 Jan 2007 14:49:27 +0100

On Thu, Jan 11, 2007 at 02:21:59PM +0100, Jacques Guillou wrote:
> Hi,
> I'm currently doing some investigation on Gnash 0.7.2 (linux) to see whether
> it would be a good choice for the embedded system (x86 based) we are working
> on.
> After a few tests, I have realized that it fails to render some of our SWF
> files correctly. When activating the traces (-vp) I can notice that some
> classes are not found :
> 14:01:52: ERROR: find_target("") failed
> 14:01:52: ERROR: find_target("mx.skins.halo") failed
> 14:01:52: ERROR: find_target("mx.core.ext") failed
> 14:01:52: ERROR: find_target(" mx.core") failed
> I've tried to export my files for flash 6 and also flash 7 but both
> solutions fail.
> Does it means it's not possible to use any MX component with the current
> version of Gnash ?

If MX component are supposed to be present in the player: yes.
Gnash doesn't provide them.

> Is there a way to embbed these classes into the SWF (an export setting of
> the Flash IDE) ?

Are you sure they aren't already ? Does -va show any attempt at
defining a 'mx' variable ?

> Which export settings of flash produce the most Gnash compatible SWF ?

5 should be feature-complete in terms of provided player classes.
SWF parsing by itself should go up to 7.

> The openGL rendering is really fast (which is exactly why we are interested
> in that software) but the quality is low. Is there any possibility to
> activate a global antialiasing (by rendering into a large image buffer and
> then downscaling the result so that it fits into the target screen). I've
> read somewhere that antialiasing should work for text rendering but it
> doesn't seem to work here.

Text antialiasing has been broken since we implemented incremental loading
(play while loading). Since AGG does fine w/out a prior rendering of glyphs
nobody found this an urgent task to follow, anywan there's a task filed
for this:

Have you tried AGG for a comparison ?


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