/////////////////////////////////////////////////////////////////////////////////// /// 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 gtc_half_float /// @file glm/gtc/half_float.hpp /// @date 2009-04-29 / 2012-11-06 /// @author Christophe Riccio /// /// @see core (dependence) /// /// @defgroup gtc_half_float GLM_GTC_half_float /// @ingroup gtc /// /// Defines the half-precision floating-point type, along with various typedefs for vectors and matrices. /// <glm/gtc/half_float.hpp> need to be included to use these functionalities. /////////////////////////////////////////////////////////////////////////////////// #ifndef GLM_GTC_half_float #define GLM_GTC_half_float GLM_VERSION // Dependency: #include "../glm.hpp" #if(defined(GLM_MESSAGES) && !defined(glm_ext)) # pragma message("GLM: GLM_GTC_half_float extension included") #endif namespace glm{ namespace detail { #if(GLM_COMPONENT == GLM_COMPONENT_CXX98) template <> struct tvec2<half> { enum ctor{null}; typedef half value_type; typedef std::size_t size_type; GLM_FUNC_DECL size_type length() const; static GLM_FUNC_DECL size_type value_size(); typedef tvec2<half> type; typedef tvec2<bool> bool_type; ////////////////////////////////////// // Data half x, y; ////////////////////////////////////// // Accesses GLM_FUNC_DECL half & operator[](size_type i); GLM_FUNC_DECL half const & operator[](size_type i) const; ////////////////////////////////////// // Implicit basic constructors GLM_FUNC_DECL tvec2(); GLM_FUNC_DECL tvec2(tvec2<half> const & v); ////////////////////////////////////// // Explicit basic constructors GLM_FUNC_DECL explicit tvec2(ctor); GLM_FUNC_DECL explicit tvec2( half const & s); GLM_FUNC_DECL explicit tvec2( half const & s1, half const & s2); ////////////////////////////////////// // Swizzle constructors GLM_FUNC_DECL tvec2(tref2<half> const & r); ////////////////////////////////////// // Convertion scalar constructors //! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename U> GLM_FUNC_DECL explicit tvec2(U const & x); //! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename U, typename V> GLM_FUNC_DECL explicit tvec2(U const & x, V const & y); ////////////////////////////////////// // Convertion vector constructors //! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename U> GLM_FUNC_DECL explicit tvec2(tvec2<U> const & v); //! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename U> GLM_FUNC_DECL explicit tvec2(tvec3<U> const & v); //! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename U> GLM_FUNC_DECL explicit tvec2(tvec4<U> const & v); ////////////////////////////////////// // Unary arithmetic operators GLM_FUNC_DECL tvec2<half>& operator= (tvec2<half> const & v); GLM_FUNC_DECL tvec2<half>& operator+=(half const & s); GLM_FUNC_DECL tvec2<half>& operator+=(tvec2<half> const & v); GLM_FUNC_DECL tvec2<half>& operator-=(half const & s); GLM_FUNC_DECL tvec2<half>& operator-=(tvec2<half> const & v); GLM_FUNC_DECL tvec2<half>& operator*=(half const & s); GLM_FUNC_DECL tvec2<half>& operator*=(tvec2<half> const & v); GLM_FUNC_DECL tvec2<half>& operator/=(half const & s); GLM_FUNC_DECL tvec2<half>& operator/=(tvec2<half> const & v); GLM_FUNC_DECL tvec2<half>& operator++(); GLM_FUNC_DECL tvec2<half>& operator--(); ////////////////////////////////////// // Swizzle operators GLM_FUNC_DECL half swizzle(comp X) const; GLM_FUNC_DECL tvec2<half> swizzle(comp X, comp Y) const; GLM_FUNC_DECL tvec3<half> swizzle(comp X, comp Y, comp Z) const; GLM_FUNC_DECL tvec4<half> swizzle(comp X, comp Y, comp Z, comp W) const; GLM_FUNC_DECL tref2<half> swizzle(comp X, comp Y); }; template <> struct tvec3<half> { enum ctor{null}; typedef half value_type; typedef std::size_t size_type; GLM_FUNC_DECL size_type length() const; static GLM_FUNC_DECL size_type value_size(); typedef tvec3<half> type; typedef tvec3<bool> bool_type; ////////////////////////////////////// // Data half x, y, z; ////////////////////////////////////// // Accesses GLM_FUNC_DECL half & operator[](size_type i); GLM_FUNC_DECL half const & operator[](size_type i) const; ////////////////////////////////////// // Implicit basic constructors GLM_FUNC_DECL tvec3(); GLM_FUNC_DECL tvec3(tvec3<half> const & v); ////////////////////////////////////// // Explicit basic constructors GLM_FUNC_DECL explicit tvec3(ctor); GLM_FUNC_DECL explicit tvec3( half const & s); GLM_FUNC_DECL explicit tvec3( half const & s1, half const & s2, half const & s3); ////////////////////////////////////// // Swizzle constructors GLM_FUNC_DECL tvec3(tref3<half> const & r); ////////////////////////////////////// // Convertion scalar constructors //! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename U> GLM_FUNC_DECL explicit tvec3(U const & x); //! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename U, typename V, typename W> GLM_FUNC_DECL explicit tvec3(U const & x, V const & y, W const & z); ////////////////////////////////////// // Convertion vector constructors //! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename A, typename B> GLM_FUNC_DECL explicit tvec3(tvec2<A> const & v, B const & s); //! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename A, typename B> GLM_FUNC_DECL explicit tvec3(A const & s, tvec2<B> const & v); //! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename U> GLM_FUNC_DECL explicit tvec3(tvec3<U> const & v); //! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename U> GLM_FUNC_DECL explicit tvec3(tvec4<U> const & v); ////////////////////////////////////// // Unary arithmetic operators GLM_FUNC_DECL tvec3<half>& operator= (tvec3<half> const & v); GLM_FUNC_DECL tvec3<half>& operator+=(half const & s); GLM_FUNC_DECL tvec3<half>& operator+=(tvec3<half> const & v); GLM_FUNC_DECL tvec3<half>& operator-=(half const & s); GLM_FUNC_DECL tvec3<half>& operator-=(tvec3<half> const & v); GLM_FUNC_DECL tvec3<half>& operator*=(half const & s); GLM_FUNC_DECL tvec3<half>& operator*=(tvec3<half> const & v); GLM_FUNC_DECL tvec3<half>& operator/=(half const & s); GLM_FUNC_DECL tvec3<half>& operator/=(tvec3<half> const & v); GLM_FUNC_DECL tvec3<half>& operator++(); GLM_FUNC_DECL tvec3<half>& operator--(); ////////////////////////////////////// // Swizzle operators GLM_FUNC_DECL half swizzle(comp X) const; GLM_FUNC_DECL tvec2<half> swizzle(comp X, comp Y) const; GLM_FUNC_DECL tvec3<half> swizzle(comp X, comp Y, comp Z) const; GLM_FUNC_DECL tvec4<half> swizzle(comp X, comp Y, comp Z, comp W) const; GLM_FUNC_DECL tref3<half> swizzle(comp X, comp Y, comp Z); }; template <> struct tvec4<half> { enum ctor{null}; typedef half value_type; typedef std::size_t size_type; GLM_FUNC_DECL size_type length() const; static GLM_FUNC_DECL size_type value_size(); typedef tvec4<half> type; typedef tvec4<bool> bool_type; ////////////////////////////////////// // Data half x, y, z, w; ////////////////////////////////////// // Accesses GLM_FUNC_DECL half & operator[](size_type i); GLM_FUNC_DECL half const & operator[](size_type i) const; ////////////////////////////////////// // Implicit basic constructors GLM_FUNC_DECL tvec4(); GLM_FUNC_DECL tvec4(tvec4<half> const & v); ////////////////////////////////////// // Explicit basic constructors GLM_FUNC_DECL explicit tvec4(ctor); GLM_FUNC_DECL explicit tvec4( half const & s); GLM_FUNC_DECL explicit tvec4( half const & s0, half const & s1, half const & s2, half const & s3); ////////////////////////////////////// // Swizzle constructors GLM_FUNC_DECL tvec4(tref4<half> const & r); ////////////////////////////////////// // Convertion scalar constructors //! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename U> GLM_FUNC_DECL explicit tvec4(U const & x); //! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename A, typename B, typename C, typename D> GLM_FUNC_DECL explicit tvec4(A const & x, B const & y, C const & z, D const & w); ////////////////////////////////////// // Convertion vector constructors //! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename A, typename B, typename C> GLM_FUNC_DECL explicit tvec4(tvec2<A> const & v, B const & s1, C const & s2); //! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename A, typename B, typename C> GLM_FUNC_DECL explicit tvec4(A const & s1, tvec2<B> const & v, C const & s2); //! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename A, typename B, typename C> GLM_FUNC_DECL explicit tvec4(A const & s1, B const & s2, tvec2<C> const & v); //! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename A, typename B> GLM_FUNC_DECL explicit tvec4(tvec3<A> const & v, B const & s); //! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename A, typename B> GLM_FUNC_DECL explicit tvec4(A const & s, tvec3<B> const & v); //! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename A, typename B> GLM_FUNC_DECL explicit tvec4(tvec2<A> const & v1, tvec2<B> const & v2); //! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification) template <typename U> GLM_FUNC_DECL explicit tvec4(tvec4<U> const & v); ////////////////////////////////////// // Unary arithmetic operators GLM_FUNC_DECL tvec4<half>& operator= (tvec4<half> const & v); GLM_FUNC_DECL tvec4<half>& operator+=(half const & s); GLM_FUNC_DECL tvec4<half>& operator+=(tvec4<half> const & v); GLM_FUNC_DECL tvec4<half>& operator-=(half const & s); GLM_FUNC_DECL tvec4<half>& operator-=(tvec4<half> const & v); GLM_FUNC_DECL tvec4<half>& operator*=(half const & s); GLM_FUNC_DECL tvec4<half>& operator*=(tvec4<half> const & v); GLM_FUNC_DECL tvec4<half>& operator/=(half const & s); GLM_FUNC_DECL tvec4<half>& operator/=(tvec4<half> const & v); GLM_FUNC_DECL tvec4<half>& operator++(); GLM_FUNC_DECL tvec4<half>& operator--(); ////////////////////////////////////// // Swizzle operators GLM_FUNC_DECL half swizzle(comp X) const; GLM_FUNC_DECL tvec2<half> swizzle(comp X, comp Y) const; GLM_FUNC_DECL tvec3<half> swizzle(comp X, comp Y, comp Z) const; GLM_FUNC_DECL tvec4<half> swizzle(comp X, comp Y, comp Z, comp W) const; GLM_FUNC_DECL tref4<half> swizzle(comp X, comp Y, comp Z, comp W); }; #endif//(GLM_COMPONENT == GLM_COMPONENT_CXX98) } //namespace detail /// @addtogroup gtc_half_float /// @{ /// Type for half-precision floating-point numbers. /// @see gtc_half_float typedef detail::half half; /// Vector of 2 half-precision floating-point numbers. /// @see gtc_half_float typedef detail::tvec2<detail::half> hvec2; /// Vector of 3 half-precision floating-point numbers. /// @see gtc_half_float typedef detail::tvec3<detail::half> hvec3; /// Vector of 4 half-precision floating-point numbers. /// @see gtc_half_float typedef detail::tvec4<detail::half> hvec4; /// 2 * 2 matrix of half-precision floating-point numbers. /// @see gtc_half_float typedef detail::tmat2x2<detail::half> hmat2; /// 3 * 3 matrix of half-precision floating-point numbers. /// @see gtc_half_float typedef detail::tmat3x3<detail::half> hmat3; /// 4 * 4 matrix of half-precision floating-point numbers. /// @see gtc_half_float typedef detail::tmat4x4<detail::half> hmat4; /// 2 * 2 matrix of half-precision floating-point numbers. /// @see gtc_half_float typedef detail::tmat2x2<detail::half> hmat2x2; /// 2 * 3 matrix of half-precision floating-point numbers. /// @see gtc_half_float typedef detail::tmat2x3<detail::half> hmat2x3; /// 2 * 4 matrix of half-precision floating-point numbers. /// @see gtc_half_float typedef detail::tmat2x4<detail::half> hmat2x4; /// 3 * 2 matrix of half-precision floating-point numbers. /// @see gtc_half_float typedef detail::tmat3x2<detail::half> hmat3x2; /// 3 * 3 matrix of half-precision floating-point numbers. /// @see gtc_half_float typedef detail::tmat3x3<detail::half> hmat3x3; /// 3 * 4 matrix of half-precision floating-point numbers. /// @see gtc_half_float typedef detail::tmat3x4<detail::half> hmat3x4; /// 4 * 2 matrix of half-precision floating-point numbers. /// @see gtc_half_float typedef detail::tmat4x2<detail::half> hmat4x2; /// 4 * 3 matrix of half-precision floating-point numbers. /// @see gtc_half_float typedef detail::tmat4x3<detail::half> hmat4x3; /// 4 * 4 matrix of half-precision floating-point numbers. /// @see gtc_half_float typedef detail::tmat4x4<detail::half> hmat4x4; /// Returns the absolute value of a half-precision floating-point value /// @see gtc_half_float GLM_FUNC_DECL half abs(half const & x); /// Returns the absolute value of a half-precision floating-point two dimensional vector /// @see gtc_half_float GLM_FUNC_DECL hvec2 abs(hvec2 const & x); /// Returns the absolute value of a half-precision floating-point three dimensional vector /// @see gtc_half_float GLM_FUNC_DECL hvec3 abs(hvec3 const & x); /// Returns the absolute value of a half-precision floating-point four dimensional vector /// @see gtc_half_float GLM_FUNC_DECL hvec4 abs(hvec4 const & x); /// Selects which vector each returned component comes /// from. For a component of <a> that is false, the /// corresponding component of x is returned. For a /// component of a that is true, the corresponding /// component of y is returned. Components of x and y that /// are not selected are allowed to be invalid floating point /// values and will have no effect on the results. Thus, this /// provides different functionality than /// genType mix(genType x, genType y, genType(a)) /// where a is a Boolean vector. /// /// @see gtc_half_float GLM_FUNC_DECL half mix(half const & x, half const & y, bool const & a); /// @} }// namespace glm #include "half_float.inl" #endif//GLM_GTC_half_float