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Fixed mask related state queries
authorAlexis Hetu <sugoi@google.com>
Wed, 10 Feb 2016 18:17:20 +0000 (13:17 -0500)
committerAlexis Hétu <sugoi@google.com>
Wed, 10 Feb 2016 20:53:14 +0000 (20:53 +0000)
commited7fdfe266bdb8801a6cb9549c02b8ecb4cea2eb
tree6d9432cf7d3f0a26a0ae74d9daa86a9f7e10bddb
parentd3d068634943eb976f66f2bd0462f54cae518e1d
Fixed mask related state queries

Mask queries could return negative values when only positive
values are accepted, so a clamp was added to prevent returning
negative values.

Change-Id: Ib151573fff54604567b83736163b8fe748c749f8
Reviewed-on: https://swiftshader-review.googlesource.com/4743
Tested-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
src/Common/Math.hpp
src/OpenGL/libGLESv2/Context.cpp