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2 Commits

Author SHA1 Message Date
steve-lunarg
d4d0b29752 HLSL: add standard sample position return form of GetSamplePosition method 
Multisample textures support a GetSamplePosition() method intended to query
positions given a sample index.  This cannot be truly implemented in SPIR-V,
but #753 requested returning standard positions for the 1..16 cases, which
this PR adds.  Anything besides that returns (0,0).  If the standard positions
are not used, this will be wrong.

This should be revisited when there is a real query available.
 2017-04-26 08:31:56 -06:00
steve-lunarg
68f2c144e3 HLSL: Add CalculateLevelOfDetail, and unimplemented errors for *Unclamped and GetSamplePosition 2016-07-27 10:46:33 -06:00