Quelle OpenGLSupport
Sprache: unbekannt
// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C)
2010 Gael Guennebaud <gael.guennebaud@inria.fr>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v.
2 .
0 . If a copy of the MPL was not distributed
// with this file, You can obtain one at
http://mozilla.org/MPL/ 2 .
0 /.
#ifndef EIGEN_OPENGL_MODULE
#define EIGEN_OPENGL_MODULE
#include "../../Eigen/Geometry"
#if defined(__APPLE_CC__)
#include <OpenGL/gl.h>
#else
#include <GL/gl.h>
#endif
namespace Eigen {
/**
* \defgroup OpenGLSUpport_Module OpenGL Support module
*
* This module provides wrapper functions for a couple of OpenGL functions
* which simplify the way to pass Eigen's object to openGL.
* Here is an example:
*
* \code
* // You need to add path_to_eigen/unsupported to your include path.
* #include <Eigen/OpenGLSupport>
* // ...
* Vector3f x, y;
* Matrix3f rot;
*
* glVertex(y + x * rot);
*
* Quaternion q;
* glRotate(q);
*
* // ...
* \endcode
*
*/
//@{
#define EIGEN_GL_FUNC_DECLARATION(FUNC) \
namespace internal { \
template< typename XprType, \
typename Scalar = typename XprType::Scalar, \
int Rows = XprType::RowsAtCompileTime, \
int Cols = XprType::ColsAtCompileTime, \
bool IsGLCompatible = bool(internal::evaluator<XprType>::Flags&LinearAccessBit) \
&& bool(XprType::Flags&DirectAccessBit) \
&& (XprType::IsVectorAtCompileTime || (XprType::Flags&RowMajorBit)==
0 )> \
struct EIGEN_CAT(EIGEN_CAT(gl_,FUNC),_impl); \
\
template<typename XprType, typename Scalar, int Rows, int Cols> \
struct EIGEN_CAT(EIGEN_CAT(gl_,FUNC),_impl)<XprType,Scalar,Rows,Cols,false> { \
inline static void run(const XprType& p) { \
EIGEN_CAT(EIGEN_CAT(gl_,FUNC),_impl)<typename plain_matrix_type_column_major<XprTyp
e>::type>::run(p); } \
}; \
} \
\
template<typename Derived> inline void FUNC(const Eigen::DenseBase<Derived>& p) { \
EIGEN_CAT(EIGEN_CAT(internal::gl_,FUNC),_impl)<Derived>::run(p.derived()); \
}
#define EIGEN_GL_FUNC_SPECIALIZATION_MAT(FUNC,SCALAR,ROWS,COLS,SUFFIX) \
namespace internal { \
template< typename XprType> struct EIGEN_CAT(EIGEN_CAT(gl_,FUNC),_impl)<XprType, SCALAR, ROWS, COLS, true> { \
inline static void run(const XprType& p) { FUNC##SUFFIX(p.data()); } \
}; \
}
#define EIGEN_GL_FUNC_SPECIALIZATION_VEC(FUNC,SCALAR,SIZE,SUFFIX) \
namespace internal { \
template< typename XprType> struct EIGEN_CAT(EIGEN_CAT(gl_,FUNC),_impl)<XprType, SCALAR, SIZE, 1 , true> { \
inline static void run(const XprType& p) { FUNC##SUFFIX(p.data()); } \
}; \
template< typename XprType> struct EIGEN_CAT(EIGEN_CAT(gl_,FUNC),_impl)<XprType, SCALAR, 1 , SIZE, true> { \
inline static void run(const XprType& p) { FUNC##SUFFIX(p.data()); } \
}; \
}
EIGEN_GL_FUNC_DECLARATION (glVertex)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glVertex,int, 2 ,2 iv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glVertex,short, 2 ,2 sv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glVertex,float, 2 ,2 fv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glVertex,double, 2 ,2 dv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glVertex,int, 3 ,3 iv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glVertex,short, 3 ,3 sv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glVertex,float, 3 ,3 fv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glVertex,double, 3 ,3 dv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glVertex,int, 4 ,4 iv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glVertex,short, 4 ,4 sv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glVertex,float, 4 ,4 fv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glVertex,double, 4 ,4 dv)
EIGEN_GL_FUNC_DECLARATION (glTexCoord)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTexCoord,int, 2 ,2 iv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTexCoord,short, 2 ,2 sv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTexCoord,float, 2 ,2 fv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTexCoord,double, 2 ,2 dv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTexCoord,int, 3 ,3 iv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTexCoord,short, 3 ,3 sv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTexCoord,float, 3 ,3 fv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTexCoord,double, 3 ,3 dv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTexCoord,int, 4 ,4 iv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTexCoord,short, 4 ,4 sv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTexCoord,float, 4 ,4 fv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTexCoord,double, 4 ,4 dv)
EIGEN_GL_FUNC_DECLARATION (glColor)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glColor,int, 2 ,2 iv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glColor,short, 2 ,2 sv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glColor,float, 2 ,2 fv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glColor,double, 2 ,2 dv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glColor,int, 3 ,3 iv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glColor,short, 3 ,3 sv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glColor,float, 3 ,3 fv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glColor,double, 3 ,3 dv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glColor,int, 4 ,4 iv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glColor,short, 4 ,4 sv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glColor,float, 4 ,4 fv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glColor,double, 4 ,4 dv)
EIGEN_GL_FUNC_DECLARATION (glNormal)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glNormal,int, 3 ,3 iv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glNormal,short, 3 ,3 sv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glNormal,float, 3 ,3 fv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glNormal,double, 3 ,3 dv)
inline void glScale2fv(const float* v) { glScalef(v[0 ], v[1 ], 1 .f); }
inline void glScale2dv(const double* v) { glScaled(v[0 ], v[1 ], 1 .0 ); }
inline void glScale3fv(const float* v) { glScalef(v[0 ], v[1 ], v[2 ]); }
inline void glScale3dv(const double* v) { glScaled(v[0 ], v[1 ], v[2 ]); }
EIGEN_GL_FUNC_DECLARATION (glScale)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glScale,float, 2 ,2 fv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glScale,double, 2 ,2 dv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glScale,float, 3 ,3 fv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glScale,double, 3 ,3 dv)
template<typename Scalar> void glScale(const UniformScaling<Scalar>& s) { glScale(Matrix<Scalar,3 ,1 >::Constant(s.factor())); }
inline void glTranslate2fv(const float* v) { glTranslatef(v[0 ], v[1 ], 0 .f); }
inline void glTranslate2dv(const double* v) { glTranslated(v[0 ], v[1 ], 0 .0 ); }
inline void glTranslate3fv(const float* v) { glTranslatef(v[0 ], v[1 ], v[2 ]); }
inline void glTranslate3dv(const double* v) { glTranslated(v[0 ], v[1 ], v[2 ]); }
EIGEN_GL_FUNC_DECLARATION (glTranslate)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTranslate,float, 2 ,2 fv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTranslate,double, 2 ,2 dv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTranslate,float, 3 ,3 fv)
EIGEN_GL_FUNC_SPECIALIZATION_VEC(glTranslate,double, 3 ,3 dv)
template<typename Scalar> void glTranslate(const Translation<Scalar,2 >& t) { glTranslate(t.vector()); }
template<typename Scalar> void glTranslate(const Translation<Scalar,3 >& t) { glTranslate(t.vector()); }
EIGEN_GL_FUNC_DECLARATION (glMultMatrix)
EIGEN_GL_FUNC_SPECIALIZATION_MAT(glMultMatrix,float, 4 ,4 ,f)
EIGEN_GL_FUNC_SPECIALIZATION_MAT(glMultMatrix,double, 4 ,4 ,d)
template<typename Scalar> void glMultMatrix(const Transform<Scalar,3 ,Affine>& t) { glMultMatrix(t.matrix()); }
template<typename Scalar> void glMultMatrix(const Transform<Scalar,3 ,Projective>& t) { glMultMatrix(t.matrix()); }
template<typename Scalar> void glMultMatrix(const Transform<Scalar,3 ,AffineCompact>& t) { glMultMatrix(Transform<Scalar,3 ,Affine>(t).matrix()); }
EIGEN_GL_FUNC_DECLARATION (glLoadMatrix)
EIGEN_GL_FUNC_SPECIALIZATION_MAT(glLoadMatrix,float, 4 ,4 ,f)
EIGEN_GL_FUNC_SPECIALIZATION_MAT(glLoadMatrix,double, 4 ,4 ,d)
template<typename Scalar> void glLoadMatrix(const Transform<Scalar,3 ,Affine>& t) { glLoadMatrix(t.matrix()); }
template<typename Scalar> void glLoadMatrix(const Transform<Scalar,3 ,Projective>& t) { glLoadMatrix(t.matrix()); }
template<typename Scalar> void glLoadMatrix(const Transform<Scalar,3 ,AffineCompact>& t) { glLoadMatrix(Transform<Scalar,3 ,Affine>(t).matrix()); }
inline void glRotate(const Rotation2D<float>& rot)
{
glRotatef(rot.angle()*180 .f/float(EIGEN_PI), 0 .f, 0 .f, 1 .f);
}
inline void glRotate(const Rotation2D<double>& rot)
{
glRotated(rot.angle()*180 .0 /double(EIGEN_PI), 0 .0 , 0 .0 , 1 .0 );
}
template<typename Derived> void glRotate(const RotationBase<Derived,3 >& rot)
{
Transform<typename Derived::Scalar,3 ,Projective> tr(rot);
glMultMatrix(tr.matrix());
}
#define EIGEN_GL_MAKE_CONST_const const
#define EIGEN_GL_MAKE_CONST__
#define EIGEN_GL_EVAL(X) X
#define EIGEN_GL_FUNC1_DECLARATION(FUNC,ARG1,CONST) \
namespace internal { \
template< typename XprType, \
typename Scalar = typename XprType::Scalar, \
int Rows = XprType::RowsAtCompileTime, \
int Cols = XprType::ColsAtCompileTime, \
bool IsGLCompatible = bool(internal::evaluator<XprType>::Flags&LinearAccessBit) \
&& bool(XprType::Flags&DirectAccessBit) \
&& (XprType::IsVectorAtCompileTime || (XprType::Flags&RowMajorBit)==0 )> \
struct EIGEN_CAT(EIGEN_CAT(gl_,FUNC),_impl); \
\
template<typename XprType, typename Scalar, int Rows, int Cols> \
struct EIGEN_CAT(EIGEN_CAT(gl_,FUNC),_impl)<XprType,Scalar,Rows,Cols,false> { \
inline static void run(ARG1 a,EIGEN_GL_EVAL(EIGEN_GL_MAKE_CONST_##CONST) XprType& p) { \
EIGEN_CAT(EIGEN_CAT(gl_,FUNC),_impl)<typename plain_matrix_type_column_major<XprType>::type>::run(a,p); } \
}; \
} \
\
template<typename Derived> inline void FUNC(ARG1 a,EIGEN_GL_EVAL(EIGEN_GL_MAKE_CONST_##CONST) Eigen::DenseBase<Derived>& p) { \
EIGEN_CAT(EIGEN_CAT(internal::gl_,FUNC),_impl)<Derived>::run(a,p.derived()); \
}
#define EIGEN_GL_FUNC1_SPECIALIZATION_MAT(FUNC,ARG1,CONST,SCALAR,ROWS,COLS,SUFFIX) \
namespace internal { \
template< typename XprType> struct EIGEN_CAT(EIGEN_CAT(gl_,FUNC),_impl)<XprType, SCALAR, ROWS, COLS, true> { \
inline static void run(ARG1 a, EIGEN_GL_EVAL(EIGEN_GL_MAKE_CONST_##CONST) XprType& p) { FUNC##SUFFIX(a,p.data()); } \
}; \
}
#define EIGEN_GL_FUNC1_SPECIALIZATION_VEC(FUNC,ARG1,CONST,SCALAR,SIZE,SUFFIX) \
namespace internal { \
template< typename XprType> struct EIGEN_CAT(EIGEN_CAT(gl_,FUNC),_impl)<XprType, SCALAR, SIZE, 1 , true> { \
inline static void run(ARG1 a, EIGEN_GL_EVAL(EIGEN_GL_MAKE_CONST_##CONST) XprType& p) { FUNC##SUFFIX(a,p.data()); } \
}; \
template< typename XprType> struct EIGEN_CAT(EIGEN_CAT(gl_,FUNC),_impl)<XprType, SCALAR, 1 , SIZE, true> { \
inline static void run(ARG1 a, EIGEN_GL_EVAL(EIGEN_GL_MAKE_CONST_##CONST) XprType& p) { FUNC##SUFFIX(a,p.data()); } \
}; \
}
EIGEN_GL_FUNC1_DECLARATION (glGet,GLenum,_)
EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glGet,GLenum,_,float, 4 ,4 ,Floatv)
EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glGet,GLenum,_,double, 4 ,4 ,Doublev)
// glUniform API
#ifdef GL_VERSION_2_0
inline void glUniform2fv_ei (GLint loc, const float* v) { glUniform2fv(loc,1 ,v); }
inline void glUniform2iv_ei (GLint loc, const int* v) { glUniform2iv(loc,1 ,v); }
inline void glUniform3fv_ei (GLint loc, const float* v) { glUniform3fv(loc,1 ,v); }
inline void glUniform3iv_ei (GLint loc, const int* v) { glUniform3iv(loc,1 ,v); }
inline void glUniform4fv_ei (GLint loc, const float* v) { glUniform4fv(loc,1 ,v); }
inline void glUniform4iv_ei (GLint loc, const int* v) { glUniform4iv(loc,1 ,v); }
inline void glUniformMatrix2fv_ei (GLint loc, const float* v) { glUniformMatrix2fv(loc,1 ,false,v); }
inline void glUniformMatrix3fv_ei (GLint loc, const float* v) { glUniformMatrix3fv(loc,1 ,false,v); }
inline void glUniformMatrix4fv_ei (GLint loc, const float* v) { glUniformMatrix4fv(loc,1 ,false,v); }
EIGEN_GL_FUNC1_DECLARATION (glUniform,GLint,const)
EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,float, 2 ,2 fv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,int, 2 ,2 iv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,float, 3 ,3 fv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,int, 3 ,3 iv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,float, 4 ,4 fv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,int, 4 ,4 iv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 2 ,2 ,Matrix2fv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 3 ,3 ,Matrix3fv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 4 ,4 ,Matrix4fv_ei)
#endif
#ifdef GL_VERSION_2_1
inline void glUniformMatrix2x3fv_ei(GLint loc, const float* v) { glUniformMatrix2x3fv(loc,1 ,false,v); }
inline void glUniformMatrix3x2fv_ei(GLint loc, const float* v) { glUniformMatrix3x2fv(loc,1 ,false,v); }
inline void glUniformMatrix2x4fv_ei(GLint loc, const float* v) { glUniformMatrix2x4fv(loc,1 ,false,v); }
inline void glUniformMatrix4x2fv_ei(GLint loc, const float* v) { glUniformMatrix4x2fv(loc,1 ,false,v); }
inline void glUniformMatrix3x4fv_ei(GLint loc, const float* v) { glUniformMatrix3x4fv(loc,1 ,false,v); }
inline void glUniformMatrix4x3fv_ei(GLint loc, const float* v) { glUniformMatrix4x3fv(loc,1 ,false,v); }
EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 2 ,3 ,Matrix2x3fv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 3 ,2 ,Matrix3x2fv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 2 ,4 ,Matrix2x4fv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 4 ,2 ,Matrix4x2fv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 3 ,4 ,Matrix3x4fv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_MAT(glUniform,GLint,const,float, 4 ,3 ,Matrix4x3fv_ei)
#endif
#ifdef GL_VERSION_3_0
inline void glUniform2uiv_ei (GLint loc, const unsigned int* v) { glUniform2uiv(loc,1 ,v); }
inline void glUniform3uiv_ei (GLint loc, const unsigned int* v) { glUniform3uiv(loc,1 ,v); }
inline void glUniform4uiv_ei (GLint loc, const unsigned int* v) { glUniform4uiv(loc,1 ,v); }
EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,unsigned int, 2 ,2 uiv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,unsigned int, 3 ,3 uiv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,unsigned int, 4 ,4 uiv_ei)
#endif
#ifdef GL_ARB_gpu_shader_fp64
inline void glUniform2dv_ei (GLint loc, const double* v) { glUniform2dv(loc,1 ,v); }
inline void glUniform3dv_ei (GLint loc, const double* v) { glUniform3dv(loc,1 ,v); }
inline void glUniform4dv_ei (GLint loc, const double* v) { glUniform4dv(loc,1 ,v); }
EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,double, 2 ,2 dv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,double, 3 ,3 dv_ei)
EIGEN_GL_FUNC1_SPECIALIZATION_VEC(glUniform,GLint,const,double, 4 ,4 dv_ei)
#endif
//@}
}
#endif // EIGEN_OPENGL_MODULE
Messung V0.5 in Prozent C=98 H=87 G=92
[Dauer der Verarbeitung: 0.15 Sekunden, vorverarbeitet 2026-06-06]
2026-06-09