[Bug 30152] [r300g] kwin blur effect is not working

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=30152

--- Comment #6 from davide <marsicanbear at gmail.com> 2010-09-26 19:15:29 PDT ---
Any news on this?
Blur is still broken in kwin-4.5.1 on my mobility x700 using r300g from the
latest mesa git..

(In reply to comment #5)
> (In reply to comment #1)
> > There are lots of varyings. Just a guess - aren't there more vertex shader
> > outputs than we can rasterize? We are currently limited to 8 generics.
> 
> KWin generates the source code for the blur shaders at runtime and should limit
> the number of varyings to GL_MAX_VARYING_FLOATS / 4.
> 
> So I don't think this is the explanation for why it's not working in KWin
> (although the piglit test I submitted obviously uses too many).
> 
> Anyway I'll submit another testcase that uses 8 varyings.

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