steve-lunarg 194f0f39ec HLSL: require tessellation factors to be fixed size arrays ...

SPIR-V requires that tessellation factor arrays be size 4 (outer) or 2 (inner).
HLSL allows other sizes such as 3, or even scalars.  This commit converts
between them by forcing the IO types to be the SPIR-V size, and allowing
copies between the internal and IO types to handle these cases.

2017-03-30 14:37:02 -06:00

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