[osg-users] osgText: two thread-safety issues

Robert Osfield robert.osfield at gmail.com
Tue Jul 31 08:55:41 PDT 2018


Hi Glenn,

Thanks for the note.  When I just back onto OSG maintenance work I'll
have a look into it.  Should be in the next week or two.

Robert.
On Tue, 31 Jul 2018 at 15:54, Glenn Waldron <gwaldron at gmail.com> wrote:
>
> Robert,
> I would like to make you aware of two thread-safety issues in osgText:
>
> Font::getGlyph() is thread-safe, but it returns a shared Glyph object that also needs protection.  Glyph::getOrCreateTextureInfo, getTextureInfo, and setTextureInfo can fail when creating Text objects from different threads.
>
> Font::getCachedStateSets() returns a container that can be modified by the Text::createStateSet() method. This container also needs mutex protection.
>
> Glenn Waldron
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