maths/glMatrix.h

   1 /***************************************************************************
   2  *   This file is part of Tecorrec.                                        *
   3  *   Copyright 2008 James Hogan <james@albanarts.com>                      *
   4  *                                                                         *
   5  *   Tecorrec is free software: you can redistribute it and/or modify      *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation, either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   Tecorrec is distributed in the hope that it will be useful,           *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with Tecorrec.  If not, write to the Free Software Foundation,  *
  17  *   Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.   *
  18  ***************************************************************************/
  19
  20 /*
  21  * maths::gl::vec.h
  22  *
  23  * Inline function helpers for maths::gl::vec<n><t> classes (from maths library)
  24  *  These are overloaded to take multiple data types
  25  *  Header for basic data types is glBasic.h
  26  *
  27  */
  28
  29 #ifndef _maths_glMatrix_h
  30 #define _maths_glMatrix_h
  31
  32 // Main matrix header
  33 #include "Matrix.h"
  34
  35 #include <GL/gl.h>
  36
  37 namespace maths {
  38   namespace gl {
  39     // Make use of maths library vector classes
  40     typedef maths::Matrix<2,float>  mat2f;
  41     typedef maths::Matrix<3,float>  mat3f;
  42     typedef maths::Matrix<4,float>  mat4f;
  43     typedef maths::Matrix<2,double> mat2d;
  44     typedef maths::Matrix<3,double> mat3d;
  45     typedef maths::Matrix<4,double> mat4d;
  46   } // ::maths::gl
  47 } // ::maths
  48
  49 typedef maths::gl::mat2f GLmat2f;
  50 typedef maths::gl::mat3f GLmat3f;
  51 typedef maths::gl::mat4f GLmat4f;
  52 typedef maths::gl::mat2d GLmat2d;
  53 typedef maths::gl::mat3d GLmat3d;
  54 typedef maths::gl::mat4d GLmat4d;
  55
  56 inline void glMultMatrix(const maths::gl::mat3f & matrix)
  57 {
  58   maths::gl::mat4f m(matrix);
  59   glMultMatrixf(&m.col[0][0]);
  60 }
  61 inline void glMultMatrix(const maths::gl::mat3d & matrix)
  62 {
  63   maths::gl::mat4d m(matrix);
  64   glMultMatrixd(&m.col[0][0]);
  65 }
  66 inline void glMultMatrix(const maths::gl::mat4f & matrix)
  67 {
  68   glMultMatrixf(&matrix.col[0][0]);
  69 }
  70 inline void glMultMatrix(const maths::gl::mat4d & matrix)
  71 {
  72   glMultMatrixd(&matrix.col[0][0]);
  73 }
  74
  75 inline void glGetv(GLenum pname, maths::gl::mat4f* matrix)
  76 {
  77   glGetFloatv(pname, (GLfloat*)(*matrix));
  78 }
  79 inline void glGetv(GLenum pname, maths::gl::mat4d* matrix)
  80 {
  81   glGetDoublev(pname, (GLdouble*)(*matrix));
  82 }
  83
  84 #endif