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424 lines
14 KiB
424 lines
14 KiB
/////////////////////////////////////////////////////////////////////////////////// |
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/// OpenGL Mathematics (glm.g-truc.net) |
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/// |
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/// Copyright (c) 2005 - 2011 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 / 2011-06-05 |
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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: Half-precision floating-point based types and functions |
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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 0 //ndef _MSC_EXTENSIONS |
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template <> |
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struct tvec2<thalf> |
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{ |
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enum ctor{null}; |
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typedef thalf 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<thalf> type; |
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typedef tvec2<bool> bool_type; |
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////////////////////////////////////// |
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// Data |
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thalf x, y; |
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////////////////////////////////////// |
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// Accesses |
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thalf & operator[](size_type i); |
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thalf const & operator[](size_type i) const; |
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////////////////////////////////////// |
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// Implicit basic constructors |
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tvec2(); |
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tvec2(tvec2<thalf> const & v); |
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////////////////////////////////////// |
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// Explicit basic constructors |
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explicit tvec2(ctor); |
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explicit tvec2( |
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thalf const & s); |
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explicit tvec2( |
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thalf const & s1, |
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thalf const & s2); |
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////////////////////////////////////// |
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// Swizzle constructors |
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tvec2(tref2<thalf> 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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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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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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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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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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explicit tvec2(tvec4<U> const & v); |
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////////////////////////////////////// |
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// Unary arithmetic operators |
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tvec2<thalf>& operator= (tvec2<thalf> const & v); |
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tvec2<thalf>& operator+=(thalf const & s); |
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tvec2<thalf>& operator+=(tvec2<thalf> const & v); |
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tvec2<thalf>& operator-=(thalf const & s); |
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tvec2<thalf>& operator-=(tvec2<thalf> const & v); |
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tvec2<thalf>& operator*=(thalf const & s); |
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tvec2<thalf>& operator*=(tvec2<thalf> const & v); |
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tvec2<thalf>& operator/=(thalf const & s); |
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tvec2<thalf>& operator/=(tvec2<thalf> const & v); |
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tvec2<thalf>& operator++(); |
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tvec2<thalf>& operator--(); |
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////////////////////////////////////// |
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// Swizzle operators |
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thalf swizzle(comp X) const; |
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tvec2<thalf> swizzle(comp X, comp Y) const; |
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tvec3<thalf> swizzle(comp X, comp Y, comp Z) const; |
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tvec4<thalf> swizzle(comp X, comp Y, comp Z, comp W) const; |
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tref2<thalf> swizzle(comp X, comp Y); |
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}; |
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template <> |
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struct tvec3<thalf> |
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{ |
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enum ctor{null}; |
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typedef thalf 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<thalf> type; |
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typedef tvec3<bool> bool_type; |
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////////////////////////////////////// |
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// Data |
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thalf x, y, z; |
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////////////////////////////////////// |
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// Accesses |
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thalf & operator[](size_type i); |
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thalf const & operator[](size_type i) const; |
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////////////////////////////////////// |
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// Implicit basic constructors |
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tvec3(); |
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tvec3(tvec3<thalf> const & v); |
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////////////////////////////////////// |
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// Explicit basic constructors |
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explicit tvec3(ctor); |
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explicit tvec3( |
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thalf const & s); |
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explicit tvec3( |
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thalf const & s1, |
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thalf const & s2, |
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thalf const & s3); |
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////////////////////////////////////// |
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// Swizzle constructors |
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tvec3(tref3<thalf> 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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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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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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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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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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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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explicit tvec3(tvec4<U> const & v); |
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////////////////////////////////////// |
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// Unary arithmetic operators |
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tvec3<thalf>& operator= (tvec3<thalf> const & v); |
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tvec3<thalf>& operator+=(thalf const & s); |
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tvec3<thalf>& operator+=(tvec3<thalf> const & v); |
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tvec3<thalf>& operator-=(thalf const & s); |
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tvec3<thalf>& operator-=(tvec3<thalf> const & v); |
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tvec3<thalf>& operator*=(thalf const & s); |
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tvec3<thalf>& operator*=(tvec3<thalf> const & v); |
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tvec3<thalf>& operator/=(thalf const & s); |
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tvec3<thalf>& operator/=(tvec3<thalf> const & v); |
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tvec3<thalf>& operator++(); |
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tvec3<thalf>& operator--(); |
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////////////////////////////////////// |
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// Swizzle operators |
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thalf swizzle(comp X) const; |
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tvec2<thalf> swizzle(comp X, comp Y) const; |
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tvec3<thalf> swizzle(comp X, comp Y, comp Z) const; |
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tvec4<thalf> swizzle(comp X, comp Y, comp Z, comp W) const; |
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tref3<thalf> swizzle(comp X, comp Y, comp Z); |
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}; |
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template <> |
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struct tvec4<thalf> |
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{ |
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enum ctor{null}; |
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typedef thalf 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<thalf> type; |
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typedef tvec4<bool> bool_type; |
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////////////////////////////////////// |
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// Data |
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thalf x, y, z, w; |
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////////////////////////////////////// |
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// Accesses |
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thalf & operator[](size_type i); |
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thalf const & operator[](size_type i) const; |
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////////////////////////////////////// |
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// Implicit basic constructors |
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tvec4(); |
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tvec4(tvec4<thalf> const & v); |
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////////////////////////////////////// |
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// Explicit basic constructors |
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explicit tvec4(ctor); |
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explicit tvec4( |
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thalf const & s); |
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explicit tvec4( |
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thalf const & s0, |
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thalf const & s1, |
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thalf const & s2, |
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thalf const & s3); |
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////////////////////////////////////// |
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// Swizzle constructors |
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tvec4(tref4<thalf> 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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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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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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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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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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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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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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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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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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explicit tvec4(tvec4<U> const & v); |
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////////////////////////////////////// |
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// Unary arithmetic operators |
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tvec4<thalf>& operator= (tvec4<thalf> const & v); |
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tvec4<thalf>& operator+=(thalf const & s); |
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tvec4<thalf>& operator+=(tvec4<thalf> const & v); |
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tvec4<thalf>& operator-=(thalf const & s); |
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tvec4<thalf>& operator-=(tvec4<thalf> const & v); |
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tvec4<thalf>& operator*=(thalf const & s); |
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tvec4<thalf>& operator*=(tvec4<thalf> const & v); |
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tvec4<thalf>& operator/=(thalf const & s); |
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tvec4<thalf>& operator/=(tvec4<thalf> const & v); |
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tvec4<thalf>& operator++(); |
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tvec4<thalf>& operator--(); |
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////////////////////////////////////// |
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// Swizzle operators |
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thalf swizzle(comp X) const; |
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tvec2<thalf> swizzle(comp X, comp Y) const; |
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tvec3<thalf> swizzle(comp X, comp Y, comp Z) const; |
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tvec4<thalf> swizzle(comp X, comp Y, comp Z, comp W) const; |
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tref4<thalf> swizzle(comp X, comp Y, comp Z, comp W); |
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}; |
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#endif//_MSC_EXTENSIONS |
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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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/// From GLM_GTC_half_float extension. |
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typedef detail::thalf half; |
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/// Vector of 2 half-precision floating-point numbers. |
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/// From GLM_GTC_half_float extension. |
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typedef detail::tvec2<detail::thalf> hvec2; |
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/// Vector of 3 half-precision floating-point numbers. |
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/// From GLM_GTC_half_float extension. |
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typedef detail::tvec3<detail::thalf> hvec3; |
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/// Vector of 4 half-precision floating-point numbers. |
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/// From GLM_GTC_half_float extension. |
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typedef detail::tvec4<detail::thalf> hvec4; |
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/// 2 * 2 matrix of half-precision floating-point numbers. |
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/// From GLM_GTC_half_float extension. |
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typedef detail::tmat2x2<detail::thalf> hmat2; |
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/// 3 * 3 matrix of half-precision floating-point numbers. |
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/// From GLM_GTC_half_float extension. |
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typedef detail::tmat3x3<detail::thalf> hmat3; |
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/// 4 * 4 matrix of half-precision floating-point numbers. |
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/// From GLM_GTC_half_float extension. |
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typedef detail::tmat4x4<detail::thalf> hmat4; |
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/// 2 * 2 matrix of half-precision floating-point numbers. |
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/// From GLM_GTC_half_float extension. |
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typedef detail::tmat2x2<detail::thalf> hmat2x2; |
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/// 2 * 3 matrix of half-precision floating-point numbers. |
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/// From GLM_GTC_half_float extension. |
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typedef detail::tmat2x3<detail::thalf> hmat2x3; |
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/// 2 * 4 matrix of half-precision floating-point numbers. |
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/// From GLM_GTC_half_float extension. |
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typedef detail::tmat2x4<detail::thalf> hmat2x4; |
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/// 3 * 2 matrix of half-precision floating-point numbers. |
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/// From GLM_GTC_half_float extension. |
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typedef detail::tmat3x2<detail::thalf> hmat3x2; |
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/// 3 * 3 matrix of half-precision floating-point numbers. |
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/// From GLM_GTC_half_float extension. |
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typedef detail::tmat3x3<detail::thalf> hmat3x3; |
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/// 3 * 4 matrix of half-precision floating-point numbers. |
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/// From GLM_GTC_half_float extension. |
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typedef detail::tmat3x4<detail::thalf> hmat3x4; |
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/// 4 * 2 matrix of half-precision floating-point numbers. |
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/// From GLM_GTC_half_float extension. |
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typedef detail::tmat4x2<detail::thalf> hmat4x2; |
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/// 4 * 3 matrix of half-precision floating-point numbers. |
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/// From GLM_GTC_half_float extension. |
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typedef detail::tmat4x3<detail::thalf> hmat4x3; |
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/// 4 * 4 matrix of half-precision floating-point numbers. |
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/// From GLM_GTC_half_float extension. |
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typedef detail::tmat4x4<detail::thalf> hmat4x4; |
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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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