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half_float.hpp

    00001
    00002 // OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
    00004 // Created : 2009-04-29
    00005 // Updated : 2010-02-07
    00006 // Licence : This source is under MIT License
    00007 // File    : glm/gtc/half_float.hpp
    00009
    00010 #ifndef glm_gtc_half_float
    00011 #define glm_gtc_half_float
    00012
    00013 // Dependency:
    00014 #include "../glm.hpp"
    00015
    00016 #if(defined(GLM_MESSAGES) && !defined(glm_ext))
    00017 #       pragma message("GLM: GLM_GTC_half_float extension included")
    00018 #endif
    00019
    00020 namespace glm{
    00021 namespace detail
    00022 {
    00023 #ifndef _MSC_EXTENSIONS
    00024         template <>
    00025         struct tvec2<thalf>
    00026         {
    00027                 enum ctor{null};
    00028                 typedef thalf value_type;
    00029                 typedef std::size_t size_type;
    00030                 static size_type value_size();
    00031                 GLM_FUNC_DECL size_type length() const;
    00032
    00033                 typedef tvec2<thalf> type;
    00034                 typedef tvec2<bool> bool_type;
    00035
    00037                 // Data
    00038
    00039                 thalf x, y;
    00040
    00042                 // Accesses
    00043
    00044                 thalf & operator[](size_type i);
    00045                 thalf const & operator[](size_type i) const;
    00046
    00048                 // Implicit basic constructors
    00049
    00050                 tvec2();
    00051                 tvec2(tvec2<thalf> const & v);
    00052
    00054                 // Explicit basic constructors
    00055
    00056                 explicit tvec2(ctor);
    00057                 explicit tvec2(
    00058                         thalf const & s);
    00059                 explicit tvec2(
    00060                         thalf const & s1,
    00061                         thalf const & s2);
    00062
    00064                 // Swizzle constructors
    00065
    00066                 tvec2(tref2<thalf> const & r);
    00067
    00069                 // Convertion scalar constructors
    00070
    00072                 template <typename U>
    00073                 explicit tvec2(U const & x);
    00075                 template <typename U, typename V>
    00076                 explicit tvec2(U const & x, V const & y);
    00077
    00079                 // Convertion vector constructors
    00080
    00082                 template <typename U>
    00083                 explicit tvec2(tvec2<U> const & v);
    00085                 template <typename U>
    00086                 explicit tvec2(tvec3<U> const & v);
    00088                 template <typename U>
    00089                 explicit tvec2(tvec4<U> const & v);
    00090
    00092                 // Unary arithmetic operators
    00093
    00094                 tvec2<thalf>& operator= (tvec2<thalf> const & v);
    00095
    00096                 tvec2<thalf>& operator+=(thalf const & s);
    00097                 tvec2<thalf>& operator+=(tvec2<thalf> const & v);
    00098                 tvec2<thalf>& operator-=(thalf const & s);
    00099                 tvec2<thalf>& operator-=(tvec2<thalf> const & v);
    00100                 tvec2<thalf>& operator*=(thalf const & s);
    00101                 tvec2<thalf>& operator*=(tvec2<thalf> const & v);
    00102                 tvec2<thalf>& operator/=(thalf const & s);
    00103                 tvec2<thalf>& operator/=(tvec2<thalf> const & v);
    00104                 tvec2<thalf>& operator++();
    00105                 tvec2<thalf>& operator--();
    00106
    00108                 // Swizzle operators
    00109
    00110                 thalf swizzle(comp X) const;
    00111                 tvec2<thalf> swizzle(comp X, comp Y) const;
    00112                 tvec3<thalf> swizzle(comp X, comp Y, comp Z) const;
    00113                 tvec4<thalf> swizzle(comp X, comp Y, comp Z, comp W) const;
    00114                 tref2<thalf> swizzle(comp X, comp Y);
    00115         };
    00116
    00117         template <>
    00118         struct tvec3<thalf>
    00119         {
    00120                 enum ctor{null};
    00121                 typedef thalf value_type;
    00122                 typedef std::size_t size_type;
    00123                 static size_type value_size();
    00124                 GLM_FUNC_DECL size_type length() const;
    00125
    00126                 typedef tvec3<thalf> type;
    00127                 typedef tvec3<bool> bool_type;
    00128
    00130                 // Data
    00131
    00132                 thalf x, y, z;
    00133
    00135                 // Accesses
    00136
    00137                 thalf & operator[](size_type i);
    00138                 thalf const & operator[](size_type i) const;
    00139
    00141                 // Implicit basic constructors
    00142
    00143                 tvec3();
    00144                 tvec3(tvec3<thalf> const & v);
    00145
    00147                 // Explicit basic constructors
    00148
    00149                 explicit tvec3(ctor);
    00150                 explicit tvec3(
    00151                         thalf const & s);
    00152                 explicit tvec3(
    00153                         thalf const & s1,
    00154                         thalf const & s2,
    00155                         thalf const & s3);
    00156
    00158                 // Swizzle constructors
    00159
    00160                 tvec3(tref3<thalf> const & r);
    00161
    00163                 // Convertion scalar constructors
    00164
    00166                 template <typename U>
    00167                 explicit tvec3(U const & x);
    00169                 template <typename U, typename V, typename W>
    00170                 explicit tvec3(U const & x, V const & y, W const & z);
    00171
    00173                 // Convertion vector constructors
    00174
    00176                 template <typename A, typename B>
    00177                 explicit tvec3(tvec2<A> const & v, B const & s);
    00179                 template <typename A, typename B>
    00180                 explicit tvec3(A const & s, tvec2<B> const & v);
    00182                 template <typename U>
    00183                 explicit tvec3(tvec3<U> const & v);
    00185                 template <typename U>
    00186                 explicit tvec3(tvec4<U> const & v);
    00187
    00189                 // Unary arithmetic operators
    00190
    00191                 tvec3<thalf>& operator= (tvec3<thalf> const & v);
    00192
    00193                 tvec3<thalf>& operator+=(thalf const & s);
    00194                 tvec3<thalf>& operator+=(tvec3<thalf> const & v);
    00195                 tvec3<thalf>& operator-=(thalf const & s);
    00196                 tvec3<thalf>& operator-=(tvec3<thalf> const & v);
    00197                 tvec3<thalf>& operator*=(thalf const & s);
    00198                 tvec3<thalf>& operator*=(tvec3<thalf> const & v);
    00199                 tvec3<thalf>& operator/=(thalf const & s);
    00200                 tvec3<thalf>& operator/=(tvec3<thalf> const & v);
    00201                 tvec3<thalf>& operator++();
    00202                 tvec3<thalf>& operator--();
    00203
    00205                 // Swizzle operators
    00206
    00207                 thalf swizzle(comp X) const;
    00208                 tvec2<thalf> swizzle(comp X, comp Y) const;
    00209                 tvec3<thalf> swizzle(comp X, comp Y, comp Z) const;
    00210                 tvec4<thalf> swizzle(comp X, comp Y, comp Z, comp W) const;
    00211                 tref3<thalf> swizzle(comp X, comp Y, comp Z);
    00212         };
    00213
    00214         template <>
    00215         struct tvec4<thalf>
    00216         {
    00217                 enum ctor{null};
    00218                 typedef thalf value_type;
    00219                 typedef std::size_t size_type;
    00220                 static size_type value_size();
    00221                 GLM_FUNC_DECL size_type length() const;
    00222
    00223                 typedef tvec4<thalf> type;
    00224                 typedef tvec4<bool> bool_type;
    00225
    00227                 // Data
    00228
    00229                 thalf x, y, z, w;
    00230
    00232                 // Accesses
    00233
    00234                 thalf & operator[](size_type i);
    00235                 thalf const & operator[](size_type i) const;
    00236
    00238                 // Implicit basic constructors
    00239
    00240                 tvec4();
    00241                 tvec4(tvec4<thalf> const & v);
    00242
    00244                 // Explicit basic constructors
    00245
    00246                 explicit tvec4(ctor);
    00247                 explicit tvec4(
    00248                         thalf const & s);
    00249                 explicit tvec4(
    00250                         thalf const & s0,
    00251                         thalf const & s1,
    00252                         thalf const & s2,
    00253                         thalf const & s3);
    00254
    00256                 // Swizzle constructors
    00257
    00258                 tvec4(tref4<thalf> const & r);
    00259
    00261                 // Convertion scalar constructors
    00262
    00264                 template <typename U>
    00265                 explicit tvec4(U const & x);
    00267                 template <typename A, typename B, typename C, typename D>
    00268                 explicit tvec4(A const & x, B const & y, C const & z, D const & w);
    00269
    00271                 // Convertion vector constructors
    00272
    00274                 template <typename A, typename B, typename C>
    00275                 explicit tvec4(tvec2<A> const & v, B const & s1, C const & s2);
    00277                 template <typename A, typename B, typename C>
    00278                 explicit tvec4(A const & s1, tvec2<B> const & v, C const & s2);
    00280                 template <typename A, typename B, typename C>
    00281                 explicit tvec4(A const & s1, B const & s2, tvec2<C> const & v);
    00283                 template <typename A, typename B>
    00284                 explicit tvec4(tvec3<A> const & v, B const & s);
    00286                 template <typename A, typename B>
    00287                 explicit tvec4(A const & s, tvec3<B> const & v);
    00289                 template <typename A, typename B>
    00290                 explicit tvec4(tvec2<A> const & v1, tvec2<B> const & v2);
    00292                 template <typename U>
    00293                 explicit tvec4(tvec4<U> const & v);
    00294
    00296                 // Unary arithmetic operators
    00297
    00298                 tvec4<thalf>& operator= (tvec4<thalf> const & v);
    00299
    00300                 tvec4<thalf>& operator+=(thalf const & s);
    00301                 tvec4<thalf>& operator+=(tvec4<thalf> const & v);
    00302                 tvec4<thalf>& operator-=(thalf const & s);
    00303                 tvec4<thalf>& operator-=(tvec4<thalf> const & v);
    00304                 tvec4<thalf>& operator*=(thalf const & s);
    00305                 tvec4<thalf>& operator*=(tvec4<thalf> const & v);
    00306                 tvec4<thalf>& operator/=(thalf const & s);
    00307                 tvec4<thalf>& operator/=(tvec4<thalf> const & v);
    00308                 tvec4<thalf>& operator++();
    00309                 tvec4<thalf>& operator--();
    00310
    00312                 // Swizzle operators
    00313
    00314                 thalf swizzle(comp X) const;
    00315                 tvec2<thalf> swizzle(comp X, comp Y) const;
    00316                 tvec3<thalf> swizzle(comp X, comp Y, comp Z) const;
    00317                 tvec4<thalf> swizzle(comp X, comp Y, comp Z, comp W) const;
    00318                 tref4<thalf> swizzle(comp X, comp Y, comp Z, comp W);
    00319         };
    00320 #endif//_MSC_EXTENSIONS
    00321 }
    00322 //namespace detail
    00323
    00324 namespace gtc{
    00325 namespace half_float
    00326 {
    00329
    00332         typedef detail::thalf                                   half;
    00333
    00336         typedef detail::tvec2<detail::thalf>    hvec2;
    00337
    00340         typedef detail::tvec3<detail::thalf>    hvec3;
    00341
    00344         typedef detail::tvec4<detail::thalf>    hvec4;
    00345
    00348         typedef detail::tmat2x2<detail::thalf>  hmat2;
    00349
    00352         typedef detail::tmat3x3<detail::thalf>  hmat3;
    00353
    00356         typedef detail::tmat4x4<detail::thalf>  hmat4;
    00357
    00360         typedef detail::tmat2x2<detail::thalf>  hmat2x2;
    00361
    00364         typedef detail::tmat2x3<detail::thalf>  hmat2x3;
    00365
    00368         typedef detail::tmat2x4<detail::thalf>  hmat2x4;
    00369
    00372         typedef detail::tmat3x2<detail::thalf>  hmat3x2;
    00373
    00376         typedef detail::tmat3x3<detail::thalf>  hmat3x3;
    00377
    00380         typedef detail::tmat3x4<detail::thalf>  hmat3x4;
    00381
    00384         typedef detail::tmat4x2<detail::thalf>  hmat4x2;
    00385
    00388         typedef detail::tmat4x3<detail::thalf>  hmat4x3;
    00389
    00392         typedef detail::tmat4x4<detail::thalf>  hmat4x4;
    00393
    00395
    00396 }// namespace half_float
    00397 }// namespace gtc
    00398 }// namespace glm
    00399
    00400 #include "half_float.inl"
    00401
    00402 namespace glm{using namespace gtc::half_float;}
    00403
    00404 #endif//glm_gtc_half_float