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+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+///
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+///
+/// Restrictions:
+/// By making use of the Software for military purposes, you choose to make
+/// a Bunny unhappy.
+///
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtc_integer
+/// @file glm/gtc/integer.inl
+/// @date 2014-11-17 / 2014-11-17
+/// @author Christophe Riccio
+///////////////////////////////////////////////////////////////////////////////////
+
+namespace glm{
+namespace detail
+{
+ template <typename T, precision P, template <class, precision> class vecType>
+ struct compute_log2<T, P, vecType, false>
+ {
+ GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & vec)
+ {
+ //Equivalent to return findMSB(vec); but save one function call in ASM with VC
+ //return findMSB(vec);
+ return vecType<T, P>(detail::compute_findMSB_vec<T, P, vecType, sizeof(T) * 8>::call(vec));
+ }
+ };
+
+# if GLM_HAS_BITSCAN_WINDOWS
+ template <precision P>
+ struct compute_log2<int, P, tvec4, false>
+ {
+ GLM_FUNC_QUALIFIER static tvec4<int, P> call(tvec4<int, P> const & vec)
+ {
+ tvec4<int, P> Result(glm::uninitialize);
+
+ _BitScanReverse(reinterpret_cast<unsigned long*>(&Result.x), vec.x);
+ _BitScanReverse(reinterpret_cast<unsigned long*>(&Result.y), vec.y);
+ _BitScanReverse(reinterpret_cast<unsigned long*>(&Result.z), vec.z);
+ _BitScanReverse(reinterpret_cast<unsigned long*>(&Result.w), vec.w);
+
+ return Result;
+ }
+ };
+# endif//GLM_HAS_BITSCAN_WINDOWS
+
+ template <typename T, precision P, template <class, precision> class vecType, typename genType>
+ struct compute_mod<T, P, vecType, genType, false>
+ {
+ GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & a, genType const & b)
+ {
+ return a % b;
+ }
+ };
+}//namespace detail
+}//namespace glm