Floating point parameters should be rounded, not truncated

Bug 20724899

Change-Id: I03f858ee3d159cfa2541afa1d8d063ca99701a4c
Reviewed-on: https://swiftshader-review.googlesource.com/3964
Tested-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
1 file changed