[Mesa-dev] [Bug 91889] Planetary Anihilation: Titans display content of other processes buffers

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91889

--- Comment #21 from Eirik Byrkjeflot Anonsen <eirik at eirikba.org> ---
(In reply to Krzysztof A. Sobiecki from comment #20)
> (In reply to Michel Dänzer from comment #18)
> > (In reply to Krzysztof A. Sobiecki from comment #14)
> > > So how glTexImage2D gets wrong data?
> > 
> > The data passed to glTexImage2D is controlled by the application. The
> > question is where it's getting the bad data from.
> 
> No matter what they shouldn't be able to get that data. I'm starting to
> think if it's possible to grab that data with OpenGL would it be also
> possible with WebGL...

It should not be possible with WebGL. One of the things that delayed WebGL's
general availability was that the specification required that all data shall be
initialized. This was explicitly mentioned as being a difference from other
OpenGL specifications due to the different threat models.

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