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Diffstat (limited to 'include/gal/opengl/glm/gtx/bit.hpp')
| -rw-r--r-- | include/gal/opengl/glm/gtx/bit.hpp | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/include/gal/opengl/glm/gtx/bit.hpp b/include/gal/opengl/glm/gtx/bit.hpp new file mode 100644 index 0000000..94aaae5 --- /dev/null +++ b/include/gal/opengl/glm/gtx/bit.hpp @@ -0,0 +1,140 @@ +/////////////////////////////////////////////////////////////////////////////////// +/// OpenGL Mathematics (glm.g-truc.net) +/// +/// Copyright (c) 2005 - 2013 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. +/// +/// 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 gtx_bit +/// @file glm/gtx/bit.hpp +/// @date 2007-03-14 / 2011-06-07 +/// @author Christophe Riccio +/// +/// @see core (dependence) +/// @see gtc_half_float (dependence) +/// +/// @defgroup gtx_bit GLM_GTX_bit +/// @ingroup gtx +/// +/// @brief Allow to perform bit operations on integer values +/// +/// <glm/gtx/bit.hpp> need to be included to use these functionalities. +/////////////////////////////////////////////////////////////////////////////////// + +#ifndef GLM_GTX_bit +#define GLM_GTX_bit GLM_VERSION + +// Dependency: +#include "../glm.hpp" +#include "../gtc/half_float.hpp" + +#if(defined(GLM_MESSAGES) && !defined(glm_ext)) +# pragma message("GLM: GLM_GTX_bit extension included") +#endif + +namespace glm +{ + /// @addtogroup gtx_bit + /// @{ + + /// Build a mask of 'count' bits + /// @see gtx_bit + template <typename genIType> + genIType mask(genIType const & count); + + /// Component wise extraction of bit fields. + /// genType and genIType could be a scalar or a vector. + /// @see gtx_bit + template <typename genIUType, typename sizeType> + GLM_DEPRECATED genIUType extractField( + genIUType const & v, + sizeType const & first, + sizeType const & count); + + //! Find the lowest bit set to 1 in a integer variable. + /// @see gtx_bit + template <typename genType> + GLM_DEPRECATED int lowestBit(genType const & value); + + //! Find the highest bit set to 1 in a integer variable. + /// @see gtx_bit + template <typename genType> + GLM_DEPRECATED int highestBit(genType const & value); + + //! Find the highest bit set to 1 in a integer variable and return its value. + /// @see gtx_bit + template <typename genType> + genType highestBitValue(genType const & value); + + //! Return true if the value is a power of two number. + /// @see gtx_bit + template <typename genType> + bool isPowerOfTwo(genType const & value); + + //! Return the power of two number which value is just higher the input value. + /// @see gtx_bit + template <typename genType> + genType powerOfTwoAbove(genType const & value); + + //! Return the power of two number which value is just lower the input value. + /// @see gtx_bit + template <typename genType> + genType powerOfTwoBelow(genType const & value); + + //! Return the power of two number which value is the closet to the input value. + /// @see gtx_bit + template <typename genType> + genType powerOfTwoNearest(genType const & value); + + //! Revert all bits of any integer based type. + /// @see gtx_bit + template <typename genType> + GLM_DEPRECATED genType bitRevert(genType const & value); + + //! Rotate all bits to the right. + /// @see gtx_bit + template <typename genType> + genType bitRotateRight(genType const & In, std::size_t Shift); + + //! Rotate all bits to the left. + /// @see gtx_bit + template <typename genType> + genType bitRotateLeft(genType const & In, std::size_t Shift); + + //! Set to 1 a range of bits. + /// @see gtx_bit + template <typename genIUType> + genIUType fillBitfieldWithOne( + genIUType const & Value, + int const & FromBit, + int const & ToBit); + + //! Set to 0 a range of bits. + /// @see gtx_bit + template <typename genIUType> + genIUType fillBitfieldWithZero( + genIUType const & Value, + int const & FromBit, + int const & ToBit); + + /// @} +} //namespace glm + +#include "bit.inl" + +#endif//GLM_GTX_bit |