[Mesa-dev] [PATCH 5/5] i965/fs: Add support for shadow comparitors with gather4

[Eric Anholt]

Chris Forbes <chrisf at ijw.co.nz> writes:

> Note that gather4_po_c's parameters are too long for SIMD16. It might be
> worth emitting 2xSIMD8 messages in this case at some point.

So, what happens for sampler messages that need an array index (1d/2d
array), but we don't have that slot in gather4_po?  Do we just drop the
array index on the floor?
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