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454 lines
16 KiB
454 lines
16 KiB
///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// furnished to do so, subject to the following conditions:
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///
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/// The above copyright notice and this permission notice shall be included in
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/// all copies or substantial portions of the Software.
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///
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// THE SOFTWARE.
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///
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/// @ref gtc_half_float
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/// @file glm/gtc/half_float.hpp
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/// @date 2009-04-29 / 2012-11-06
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/// @author Christophe Riccio
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///
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/// @see core (dependence)
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///
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/// @defgroup gtc_half_float GLM_GTC_half_float
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/// @ingroup gtc
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///
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/// Defines the half-precision floating-point type, along with various typedefs for vectors and matrices.
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/// <glm/gtc/half_float.hpp> need to be included to use these functionalities.
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef GLM_GTC_half_float
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#define GLM_GTC_half_float GLM_VERSION
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// Dependency:
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#include "../glm.hpp"
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#if(defined(GLM_MESSAGES) && !defined(glm_ext))
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# pragma message("GLM: GLM_GTC_half_float extension included")
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#endif
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namespace glm{
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namespace detail
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{
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#if(GLM_COMPONENT == GLM_COMPONENT_CXX98)
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template <>
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struct tvec2<half>
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{
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enum ctor{null};
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typedef half value_type;
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typedef std::size_t size_type;
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GLM_FUNC_DECL size_type length() const;
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static GLM_FUNC_DECL size_type value_size();
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typedef tvec2<half> type;
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typedef tvec2<bool> bool_type;
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//////////////////////////////////////
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// Data
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half x, y;
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//////////////////////////////////////
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// Accesses
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GLM_FUNC_DECL half & operator[](size_type i);
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GLM_FUNC_DECL half const & operator[](size_type i) const;
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//////////////////////////////////////
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// Implicit basic constructors
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GLM_FUNC_DECL tvec2();
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GLM_FUNC_DECL tvec2(tvec2<half> const & v);
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//////////////////////////////////////
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// Explicit basic constructors
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GLM_FUNC_DECL explicit tvec2(ctor);
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GLM_FUNC_DECL explicit tvec2(
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half const & s);
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GLM_FUNC_DECL explicit tvec2(
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half const & s1,
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half const & s2);
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//////////////////////////////////////
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// Swizzle constructors
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GLM_FUNC_DECL tvec2(tref2<half> const & r);
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//////////////////////////////////////
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// Convertion scalar constructors
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//! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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GLM_FUNC_DECL explicit tvec2(U const & x);
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//! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U, typename V>
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GLM_FUNC_DECL explicit tvec2(U const & x, V const & y);
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//////////////////////////////////////
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// Convertion vector constructors
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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GLM_FUNC_DECL explicit tvec2(tvec2<U> const & v);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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GLM_FUNC_DECL explicit tvec2(tvec3<U> const & v);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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GLM_FUNC_DECL explicit tvec2(tvec4<U> const & v);
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//////////////////////////////////////
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// Unary arithmetic operators
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GLM_FUNC_DECL tvec2<half>& operator= (tvec2<half> const & v);
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GLM_FUNC_DECL tvec2<half>& operator+=(half const & s);
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GLM_FUNC_DECL tvec2<half>& operator+=(tvec2<half> const & v);
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GLM_FUNC_DECL tvec2<half>& operator-=(half const & s);
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GLM_FUNC_DECL tvec2<half>& operator-=(tvec2<half> const & v);
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GLM_FUNC_DECL tvec2<half>& operator*=(half const & s);
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GLM_FUNC_DECL tvec2<half>& operator*=(tvec2<half> const & v);
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GLM_FUNC_DECL tvec2<half>& operator/=(half const & s);
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GLM_FUNC_DECL tvec2<half>& operator/=(tvec2<half> const & v);
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GLM_FUNC_DECL tvec2<half>& operator++();
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GLM_FUNC_DECL tvec2<half>& operator--();
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//////////////////////////////////////
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// Swizzle operators
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GLM_FUNC_DECL half swizzle(comp X) const;
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GLM_FUNC_DECL tvec2<half> swizzle(comp X, comp Y) const;
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GLM_FUNC_DECL tvec3<half> swizzle(comp X, comp Y, comp Z) const;
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GLM_FUNC_DECL tvec4<half> swizzle(comp X, comp Y, comp Z, comp W) const;
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GLM_FUNC_DECL tref2<half> swizzle(comp X, comp Y);
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};
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template <>
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struct tvec3<half>
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{
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enum ctor{null};
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typedef half value_type;
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typedef std::size_t size_type;
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GLM_FUNC_DECL size_type length() const;
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static GLM_FUNC_DECL size_type value_size();
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typedef tvec3<half> type;
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typedef tvec3<bool> bool_type;
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//////////////////////////////////////
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// Data
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half x, y, z;
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//////////////////////////////////////
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// Accesses
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GLM_FUNC_DECL half & operator[](size_type i);
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GLM_FUNC_DECL half const & operator[](size_type i) const;
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//////////////////////////////////////
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// Implicit basic constructors
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GLM_FUNC_DECL tvec3();
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GLM_FUNC_DECL tvec3(tvec3<half> const & v);
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//////////////////////////////////////
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// Explicit basic constructors
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GLM_FUNC_DECL explicit tvec3(ctor);
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GLM_FUNC_DECL explicit tvec3(
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half const & s);
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GLM_FUNC_DECL explicit tvec3(
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half const & s1,
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half const & s2,
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half const & s3);
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//////////////////////////////////////
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// Swizzle constructors
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GLM_FUNC_DECL tvec3(tref3<half> const & r);
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//////////////////////////////////////
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// Convertion scalar constructors
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//! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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GLM_FUNC_DECL explicit tvec3(U const & x);
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//! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U, typename V, typename W>
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GLM_FUNC_DECL explicit tvec3(U const & x, V const & y, W const & z);
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//////////////////////////////////////
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// Convertion vector constructors
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B>
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GLM_FUNC_DECL explicit tvec3(tvec2<A> const & v, B const & s);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B>
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GLM_FUNC_DECL explicit tvec3(A const & s, tvec2<B> const & v);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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GLM_FUNC_DECL explicit tvec3(tvec3<U> const & v);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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GLM_FUNC_DECL explicit tvec3(tvec4<U> const & v);
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//////////////////////////////////////
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// Unary arithmetic operators
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GLM_FUNC_DECL tvec3<half>& operator= (tvec3<half> const & v);
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GLM_FUNC_DECL tvec3<half>& operator+=(half const & s);
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GLM_FUNC_DECL tvec3<half>& operator+=(tvec3<half> const & v);
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GLM_FUNC_DECL tvec3<half>& operator-=(half const & s);
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GLM_FUNC_DECL tvec3<half>& operator-=(tvec3<half> const & v);
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GLM_FUNC_DECL tvec3<half>& operator*=(half const & s);
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GLM_FUNC_DECL tvec3<half>& operator*=(tvec3<half> const & v);
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GLM_FUNC_DECL tvec3<half>& operator/=(half const & s);
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GLM_FUNC_DECL tvec3<half>& operator/=(tvec3<half> const & v);
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GLM_FUNC_DECL tvec3<half>& operator++();
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GLM_FUNC_DECL tvec3<half>& operator--();
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//////////////////////////////////////
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// Swizzle operators
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GLM_FUNC_DECL half swizzle(comp X) const;
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GLM_FUNC_DECL tvec2<half> swizzle(comp X, comp Y) const;
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GLM_FUNC_DECL tvec3<half> swizzle(comp X, comp Y, comp Z) const;
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GLM_FUNC_DECL tvec4<half> swizzle(comp X, comp Y, comp Z, comp W) const;
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GLM_FUNC_DECL tref3<half> swizzle(comp X, comp Y, comp Z);
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};
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template <>
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struct tvec4<half>
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{
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enum ctor{null};
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typedef half value_type;
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typedef std::size_t size_type;
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GLM_FUNC_DECL size_type length() const;
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static GLM_FUNC_DECL size_type value_size();
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typedef tvec4<half> type;
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typedef tvec4<bool> bool_type;
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//////////////////////////////////////
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// Data
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half x, y, z, w;
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//////////////////////////////////////
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// Accesses
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GLM_FUNC_DECL half & operator[](size_type i);
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GLM_FUNC_DECL half const & operator[](size_type i) const;
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//////////////////////////////////////
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// Implicit basic constructors
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GLM_FUNC_DECL tvec4();
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GLM_FUNC_DECL tvec4(tvec4<half> const & v);
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//////////////////////////////////////
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// Explicit basic constructors
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GLM_FUNC_DECL explicit tvec4(ctor);
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GLM_FUNC_DECL explicit tvec4(
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half const & s);
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GLM_FUNC_DECL explicit tvec4(
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half const & s0,
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half const & s1,
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half const & s2,
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half const & s3);
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//////////////////////////////////////
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// Swizzle constructors
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GLM_FUNC_DECL tvec4(tref4<half> const & r);
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//////////////////////////////////////
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// Convertion scalar constructors
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//! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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GLM_FUNC_DECL explicit tvec4(U const & x);
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//! Explicit converions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B, typename C, typename D>
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GLM_FUNC_DECL explicit tvec4(A const & x, B const & y, C const & z, D const & w);
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//////////////////////////////////////
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// Convertion vector constructors
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B, typename C>
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GLM_FUNC_DECL explicit tvec4(tvec2<A> const & v, B const & s1, C const & s2);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B, typename C>
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GLM_FUNC_DECL explicit tvec4(A const & s1, tvec2<B> const & v, C const & s2);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B, typename C>
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GLM_FUNC_DECL explicit tvec4(A const & s1, B const & s2, tvec2<C> const & v);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B>
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GLM_FUNC_DECL explicit tvec4(tvec3<A> const & v, B const & s);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B>
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GLM_FUNC_DECL explicit tvec4(A const & s, tvec3<B> const & v);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename A, typename B>
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GLM_FUNC_DECL explicit tvec4(tvec2<A> const & v1, tvec2<B> const & v2);
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//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
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template <typename U>
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GLM_FUNC_DECL explicit tvec4(tvec4<U> const & v);
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//////////////////////////////////////
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// Unary arithmetic operators
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GLM_FUNC_DECL tvec4<half>& operator= (tvec4<half> const & v);
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GLM_FUNC_DECL tvec4<half>& operator+=(half const & s);
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GLM_FUNC_DECL tvec4<half>& operator+=(tvec4<half> const & v);
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GLM_FUNC_DECL tvec4<half>& operator-=(half const & s);
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GLM_FUNC_DECL tvec4<half>& operator-=(tvec4<half> const & v);
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GLM_FUNC_DECL tvec4<half>& operator*=(half const & s);
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GLM_FUNC_DECL tvec4<half>& operator*=(tvec4<half> const & v);
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GLM_FUNC_DECL tvec4<half>& operator/=(half const & s);
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GLM_FUNC_DECL tvec4<half>& operator/=(tvec4<half> const & v);
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GLM_FUNC_DECL tvec4<half>& operator++();
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GLM_FUNC_DECL tvec4<half>& operator--();
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//////////////////////////////////////
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// Swizzle operators
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GLM_FUNC_DECL half swizzle(comp X) const;
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GLM_FUNC_DECL tvec2<half> swizzle(comp X, comp Y) const;
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GLM_FUNC_DECL tvec3<half> swizzle(comp X, comp Y, comp Z) const;
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GLM_FUNC_DECL tvec4<half> swizzle(comp X, comp Y, comp Z, comp W) const;
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GLM_FUNC_DECL tref4<half> swizzle(comp X, comp Y, comp Z, comp W);
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};
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#endif//(GLM_COMPONENT == GLM_COMPONENT_CXX98)
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}
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//namespace detail
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/// @addtogroup gtc_half_float
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/// @{
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/// Type for half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::half half;
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/// Vector of 2 half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::tvec2<detail::half> hvec2;
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/// Vector of 3 half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::tvec3<detail::half> hvec3;
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/// Vector of 4 half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::tvec4<detail::half> hvec4;
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/// 2 * 2 matrix of half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::tmat2x2<detail::half> hmat2;
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/// 3 * 3 matrix of half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::tmat3x3<detail::half> hmat3;
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/// 4 * 4 matrix of half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::tmat4x4<detail::half> hmat4;
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/// 2 * 2 matrix of half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::tmat2x2<detail::half> hmat2x2;
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/// 2 * 3 matrix of half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::tmat2x3<detail::half> hmat2x3;
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/// 2 * 4 matrix of half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::tmat2x4<detail::half> hmat2x4;
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/// 3 * 2 matrix of half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::tmat3x2<detail::half> hmat3x2;
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/// 3 * 3 matrix of half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::tmat3x3<detail::half> hmat3x3;
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/// 3 * 4 matrix of half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::tmat3x4<detail::half> hmat3x4;
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/// 4 * 2 matrix of half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::tmat4x2<detail::half> hmat4x2;
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/// 4 * 3 matrix of half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::tmat4x3<detail::half> hmat4x3;
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/// 4 * 4 matrix of half-precision floating-point numbers.
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/// @see gtc_half_float
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typedef detail::tmat4x4<detail::half> hmat4x4;
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/// Returns the absolute value of a half-precision floating-point value
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/// @see gtc_half_float
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GLM_FUNC_DECL half abs(half const & x);
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/// Returns the absolute value of a half-precision floating-point two dimensional vector
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/// @see gtc_half_float
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GLM_FUNC_DECL hvec2 abs(hvec2 const & x);
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/// Returns the absolute value of a half-precision floating-point three dimensional vector
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/// @see gtc_half_float
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GLM_FUNC_DECL hvec3 abs(hvec3 const & x);
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/// Returns the absolute value of a half-precision floating-point four dimensional vector
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/// @see gtc_half_float
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GLM_FUNC_DECL hvec4 abs(hvec4 const & x);
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/// Selects which vector each returned component comes
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/// from. For a component of <a> that is false, the
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/// corresponding component of x is returned. For a
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/// component of a that is true, the corresponding
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/// component of y is returned. Components of x and y that
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/// are not selected are allowed to be invalid floating point
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/// values and will have no effect on the results. Thus, this
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/// provides different functionality than
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/// genType mix(genType x, genType y, genType(a))
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/// where a is a Boolean vector.
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///
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/// @see gtc_half_float
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GLM_FUNC_DECL half mix(half const & x, half const & y, bool const & a);
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/// @}
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}// namespace glm
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#include "half_float.inl"
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#endif//GLM_GTC_half_float
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