[PATCH v2] render: Fix crash in RenderAddGlyphs (#23645)

Peter Hutterer peter.hutterer at who-t.net
Wed Sep 30 17:07:33 PDT 2009

On Wed, Sep 30, 2009 at 11:41:16AM -0700, Keith Packard wrote:
> Excerpts from Peter Hutterer's message of Tue Sep 29 22:44:07 -0700 2009:
> > Question is now what to do - simply skipping the composite call for a NULL
> > source should make sense, doesn't it?
> Yes, with no bits, no composite is needed :-)

Patch version 3, this time split up since these are two different semantical
changes now.

    Hunks 1 and 2 of the previous patch plus an early exit when trying to
    composite a NULL source.
    The actual fix to 23645, same as the original version.

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