csplugincommon/opengl/glhelper.h
Go to the documentation of this file.00001 /* 00002 Copyright (C) 2002 by Marten Svanfeldt 00003 Anders Stenberg 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00018 */ 00019 00020 #ifndef __CS_CSPLUGINCOMMON_OPENGL_GLHELPER_H__ 00021 #define __CS_CSPLUGINCOMMON_OPENGL_GLHELPER_H__ 00022 00027 #include "csgeom/matrix3.h" 00028 #include "csgeom/matrix4.h" 00029 #include "csgeom/transfrm.h" 00030 #include "csgeom/vector3.h" 00031 00035 00036 static inline void makeGLMatrix (const csReversibleTransform& t, 00037 float matrix[16], bool rowMajor = false) 00038 { 00039 const csMatrix3 &orientation = t.GetT2O(); 00040 const csVector3 &translation = t.GetO2TTranslation(); 00041 00042 int row, col; 00043 if (rowMajor) 00044 { 00045 col = 1; row = 4; 00046 } 00047 else 00048 { 00049 col = 4; row = 1; 00050 } 00051 00052 matrix[col*0+row*0] = orientation.m11; 00053 matrix[col*0+row*1] = orientation.m21; 00054 matrix[col*0+row*2] = orientation.m31; 00055 matrix[col*0+row*3] = 0.0f; 00056 00057 matrix[col*1+row*0] = orientation.m12; 00058 matrix[col*1+row*1] = orientation.m22; 00059 matrix[col*1+row*2] = orientation.m32; 00060 matrix[col*1+row*3] = 0.0f; 00061 00062 matrix[col*2+row*0] = orientation.m13; 00063 matrix[col*2+row*1] = orientation.m23; 00064 matrix[col*2+row*2] = orientation.m33; 00065 matrix[col*2+row*3] = 0.0f; 00066 00067 matrix[col*3+row*0] = translation.x; 00068 matrix[col*3+row*1] = translation.y; 00069 matrix[col*3+row*2] = translation.z; 00070 matrix[col*3+row*3] = 1.0f; 00071 } 00072 00074 static inline void makeGLMatrix (const csMatrix3& m, float matrix[16], 00075 bool rowMajor = false) 00076 { 00077 int row, col; 00078 if (rowMajor) 00079 { 00080 col = 1; row = 4; 00081 } 00082 else 00083 { 00084 col = 4; row = 1; 00085 } 00086 00087 matrix[col*0+row*0] = m.m11; 00088 matrix[col*0+row*1] = m.m12; 00089 matrix[col*0+row*2] = m.m13; 00090 matrix[col*0+row*3] = 0.0f; 00091 00092 matrix[col*1+row*0] = m.m21; 00093 matrix[col*1+row*1] = m.m22; 00094 matrix[col*1+row*2] = m.m23; 00095 matrix[col*1+row*3] = 0.0f; 00096 00097 matrix[col*2+row*0] = m.m31; 00098 matrix[col*2+row*1] = m.m32; 00099 matrix[col*2+row*2] = m.m33; 00100 matrix[col*2+row*3] = 0.0f; 00101 00102 matrix[col*3+row*0] = 0.0f; 00103 matrix[col*3+row*1] = 0.0f; 00104 matrix[col*3+row*2] = 0.0f; 00105 matrix[col*3+row*3] = 1.0f; 00106 } 00107 00108 namespace CS 00109 { 00110 namespace PluginCommon 00111 { 00113 static inline void MakeGLMatrix3x3 (const csMatrix3& m, float matrix[9], 00114 bool rowMajor = false) 00115 { 00116 int row, col; 00117 if (rowMajor) 00118 { 00119 col = 1; row = 3; 00120 } 00121 else 00122 { 00123 col = 3; row = 1; 00124 } 00125 00126 matrix[col*0+row*0] = m.m11; 00127 matrix[col*0+row*1] = m.m12; 00128 matrix[col*0+row*2] = m.m13; 00129 00130 matrix[col*1+row*0] = m.m21; 00131 matrix[col*1+row*1] = m.m22; 00132 matrix[col*1+row*2] = m.m23; 00133 00134 matrix[col*2+row*0] = m.m31; 00135 matrix[col*2+row*1] = m.m32; 00136 matrix[col*2+row*2] = m.m33; 00137 } 00138 00140 static inline void MakeGLMatrix4x4 (const CS::Math::Matrix4& m, float matrix[16], 00141 bool rowMajor = false) 00142 { 00143 int row, col; 00144 if (rowMajor) 00145 { 00146 col = 1; row = 4; 00147 } 00148 else 00149 { 00150 col = 4; row = 1; 00151 } 00152 00153 matrix[col*0+row*0] = m.m11; 00154 matrix[col*0+row*1] = m.m21; 00155 matrix[col*0+row*2] = m.m31; 00156 matrix[col*0+row*3] = m.m41; 00157 00158 matrix[col*1+row*0] = m.m12; 00159 matrix[col*1+row*1] = m.m22; 00160 matrix[col*1+row*2] = m.m32; 00161 matrix[col*1+row*3] = m.m42; 00162 00163 matrix[col*2+row*0] = m.m13; 00164 matrix[col*2+row*1] = m.m23; 00165 matrix[col*2+row*2] = m.m33; 00166 matrix[col*2+row*3] = m.m43; 00167 00168 matrix[col*3+row*0] = m.m14; 00169 matrix[col*3+row*1] = m.m24; 00170 matrix[col*3+row*2] = m.m34; 00171 matrix[col*3+row*3] = m.m44; 00172 } 00173 00174 } // namespace PluginCommon 00175 } // namespace CS 00176 00179 #endif
Generated for Crystal Space 2.1 by doxygen 1.6.1