[Piglit] Rounding mode in Piglit

tournier.elie tournier.elie at gmail.com
Tue Jun 27 10:43:27 UTC 2017

Hello list,

The GLSL spec said "The rounding mode cannot be set and is undefined"
but in Piglit, we implicitly define a rounding mode.
Indeed, in some test like
we check if uint(1.9467) == 1.
Depending on the rounding mode, we can have uint(1,9467) = 1 or
uint(1,9467) = 2.

Is it normal or should we change the tests to allow these 2 values?


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