As I'm sending this extension bit by bit I thought I'd better list the
outstanding items. I've listed them in the order I'm planning to
implement them.
- update backends (gallium/i965) to support in/out arrays of arrays
- write some piglit tests to double check that the geom shaders front
end is c
Patch 1 is untested as the i965 backend supports packing but it should be easy
to review.
Patch 2 has been tested with an updated version [1] of the simple packing
piglit test.
[1] http://lists.freedesktop.org/archives/piglit/2014-May/010639.html
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