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Diffstat (limited to 'external/include/glm/gtc/integer.hpp')
-rw-r--r-- | external/include/glm/gtc/integer.hpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/external/include/glm/gtc/integer.hpp b/external/include/glm/gtc/integer.hpp new file mode 100644 index 0000000..69ffb1d --- /dev/null +++ b/external/include/glm/gtc/integer.hpp @@ -0,0 +1,102 @@ +/// @ref gtc_integer +/// @file glm/gtc/integer.hpp +/// +/// @see core (dependence) +/// @see gtc_integer (dependence) +/// +/// @defgroup gtc_integer GLM_GTC_integer +/// @ingroup gtc +/// +/// @brief Allow to perform bit operations on integer values +/// +/// <glm/gtc/integer.hpp> need to be included to use these functionalities. + +#pragma once + +// Dependencies +#include "../detail/setup.hpp" +#include "../detail/precision.hpp" +#include "../detail/func_common.hpp" +#include "../detail/func_integer.hpp" +#include "../detail/func_exponential.hpp" +#include <limits> + +#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !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. Can be reliably using to compute mipmap count from the texture size. + /// @see gtc_integer + template <typename genIUType> + GLM_FUNC_DECL genIUType log2(genIUType x); + + /// Modulus. Returns x % y + /// for each component in x using the floating point value y. + /// + /// @tparam genIUType Integer-point scalar or vector types. + /// + /// @see gtc_integer + /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/mod.xml">GLSL mod man page</a> + /// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.3 Common Functions</a> + template <typename genIUType> + GLM_FUNC_DECL genIUType mod(genIUType x, genIUType y); + + /// Modulus. Returns x % y + /// for each component in x using the floating point value y. + /// + /// @tparam T Integer scalar types. + /// @tparam vecType vector types. + /// + /// @see gtc_integer + /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/mod.xml">GLSL mod man page</a> + /// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.3 Common Functions</a> + template <typename T, precision P, template <typename, precision> class vecType> + GLM_FUNC_DECL vecType<T, P> mod(vecType<T, P> const & x, T y); + + /// Modulus. Returns x % y + /// for each component in x using the floating point value y. + /// + /// @tparam T Integer scalar types. + /// @tparam vecType vector types. + /// + /// @see gtc_integer + /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/mod.xml">GLSL mod man page</a> + /// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.3 Common Functions</a> + template <typename T, precision P, template <typename, precision> class vecType> + GLM_FUNC_DECL vecType<T, P> mod(vecType<T, P> const & x, vecType<T, P> const & y); + + /// 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. + /// @tparam vecType vector types. + /// + /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/round.xml">GLSL round man page</a> + /// @see gtc_integer + template <typename T, precision P, template <typename, precision> class vecType> + GLM_FUNC_DECL vecType<int, P> iround(vecType<T, P> 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. + /// @tparam vecType vector types. + /// + /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/round.xml">GLSL round man page</a> + /// @see gtc_integer + template <typename T, precision P, template <typename, precision> class vecType> + GLM_FUNC_DECL vecType<uint, P> uround(vecType<T, P> const & x); + + /// @} +} //namespace glm + +#include "integer.inl" |