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authorLaG1924 <12997935+LaG1924@users.noreply.github.com>2018-01-13 03:51:33 +0100
committerLaG1924 <12997935+LaG1924@users.noreply.github.com>2018-01-13 03:51:34 +0100
commit6f67371bb1b46579ae837d0e0c61ac1b291be743 (patch)
tree5a43692a064d84e5c5688b1b3639342555139c3c /external/include/glm/gtc/integer.hpp
parentBackported to C++14 (diff)
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+/// @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"