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32 
33 /*!
34   \class SoGLCoordinateElement Inventor/elements/SoGLCoordinateElement.h
35   \brief The SoGLCoordinateElement class is yet to be documented.
36 
37   \ingroup elements
38 
39   FIXME: write doc.
40 */
41 
42 #include <Inventor/elements/SoGLCoordinateElement.h>
43 
44 #ifdef HAVE_CONFIG_H
45 #include <config.h>
46 #endif // HAVE_CONFIG_H
47 
48 #include <Inventor/system/gl.h>
49 
50 #include <cassert>
51 
52 SO_ELEMENT_SOURCE(SoGLCoordinateElement);
53 
54 /*!
55   This static method initializes static data for the SoGLCoordinateElement
56   class.
57 */
58 
59 void
initClass(void)60 SoGLCoordinateElement::initClass(void)
61 {
62   SO_ELEMENT_INIT_CLASS(SoGLCoordinateElement, inherited);
63 }
64 
65 /*!
66   The destructor.
67 */
68 
~SoGLCoordinateElement(void)69 SoGLCoordinateElement::~SoGLCoordinateElement(void)
70 {
71 }
72 
73 /*!
74   Send coordinates \a index to GL. Handles both 3D and 4D coordinates.
75 */
76 void
send(const int index) const77 SoGLCoordinateElement::send(const int index) const
78 {
79   if (this->areCoords3D) glVertex3fv((const GLfloat*)(this->coords3D + index));
80   else glVertex4fv((const GLfloat*)(this->coords4D + index));
81 }
82 
83 //! FIXME: write doc.
84 
85 //$ EXPORT INLINE
86 const SbVec3f *
getPtr3() const87 SoGLCoordinateElement::getPtr3() const
88 {
89   return this->coords3D;
90 }
91 
92 //! FIXME: write doc.
93 
94 //$ EXPORT INLINE
95 const SbVec4f *
getPtr4() const96 SoGLCoordinateElement::getPtr4() const
97 {
98   return this->coords4D;
99 }
100