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Diffstat (limited to 'Project/glm/gtc/integer.hpp')
-rw-r--r-- | Project/glm/gtc/integer.hpp | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/Project/glm/gtc/integer.hpp b/Project/glm/gtc/integer.hpp new file mode 100644 index 0000000..64ce10b --- /dev/null +++ b/Project/glm/gtc/integer.hpp @@ -0,0 +1,65 @@ +/// @ref gtc_integer +/// @file glm/gtc/integer.hpp +/// +/// @see core (dependence) +/// @see gtc_integer (dependence) +/// +/// @defgroup gtc_integer GLM_GTC_integer +/// @ingroup gtc +/// +/// Include <glm/gtc/integer.hpp> to use the features of this extension. +/// +/// @brief Allow to perform bit operations on integer values + +#pragma once + +// Dependencies +#include "../detail/setup.hpp" +#include "../detail/qualifier.hpp" +#include "../common.hpp" +#include "../integer.hpp" +#include "../exponential.hpp" +#include <limits> + +#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED) +# pragma message("GLM: GLM_GTC_integer extension included") +#endif + +namespace glm +{ + /// @addtogroup gtc_integer + /// @{ + + /// Returns the log2 of x for integer values. Usefull to compute mipmap count from the texture size. + /// @see gtc_integer + template<typename genIUType> + GLM_FUNC_DECL genIUType log2(genIUType x); + + /// Returns a value equal to the nearest integer to x. + /// The fraction 0.5 will round in a direction chosen by the + /// implementation, presumably the direction that is fastest. + /// + /// @param x The values of the argument must be greater or equal to zero. + /// @tparam T floating point scalar types. + /// + /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/round.xml">GLSL round man page</a> + /// @see gtc_integer + template<length_t L, typename T, qualifier Q> + GLM_FUNC_DECL vec<L, int, Q> iround(vec<L, T, Q> const& x); + + /// Returns a value equal to the nearest integer to x. + /// The fraction 0.5 will round in a direction chosen by the + /// implementation, presumably the direction that is fastest. + /// + /// @param x The values of the argument must be greater or equal to zero. + /// @tparam T floating point scalar types. + /// + /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/round.xml">GLSL round man page</a> + /// @see gtc_integer + template<length_t L, typename T, qualifier Q> + GLM_FUNC_DECL vec<L, uint, Q> uround(vec<L, T, Q> const& x); + + /// @} +} //namespace glm + +#include "integer.inl" |