[Mesa-dev] [Bug 53884] gl_FragCoord gets corrupted in some camera angles

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=53884

Ian Romanick <idr at freedesktop.org> changed:

           What    |Removed                     |Added
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             Status|NEW                         |NEEDINFO

--- Comment #4 from Ian Romanick <idr at freedesktop.org> 2012-08-21 19:36:57 UTC ---
In the trace, it looks like the frames that produce the expected results always
disable GL_BLEND right before using the gl_FragCoord shader.  The frames that
don't produce the expected results don't disable it.  If blending is
erroneously enabled, that would explain the unexpected on-screen results.

Can you produce a smaller test case that exhibits this issue?

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