https://bugs.freedesktop.org/show_bug.cgi?id=29623
Ian Romanick <i...@freedesktop.org> changed:
What |Removed |Added
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Status|NEW |ASSIGNED
AssignedTo|mesa-...@lists.freedesktop. |i...@freedesktop.org
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--- Comment #1 from Ian Romanick <i...@freedesktop.org> 2010-08-17 14:35:11 PDT
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I add a piglit shader_runner test glsl-vs-ff-frag that reproduces this bug.
I think I know what might be causing this. When linking a vertex shader and a
fragment shader, all varyings that are written but not read are marked as not
being varying. When there's only a vertex shader, this pass never happens.
This means the linker should be modified to do at least the demoting of
varyings in the VS-only case.
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