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/*!
  \class SoGLCoordinateElement Inventor/elements/SoGLCoordinateElement.h
  \brief The SoGLCoordinateElement class is yet to be documented.
  \ingroup elements

  FIXME: write doc.
*/

#include <Inventor/elements/SoGLCoordinateElement.h>

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif // HAVE_CONFIG_H

#include <Inventor/system/gl.h>

#include <cassert>

SO_ELEMENT_SOURCE(SoGLCoordinateElement);

/*!
  This static method initializes static data for the SoGLCoordinateElement
  class.
*/

void
SoGLCoordinateElement::initClass(void)
{
  SO_ELEMENT_INIT_CLASS(SoGLCoordinateElement, inherited);
}

/*!
  The destructor.
*/

SoGLCoordinateElement::~SoGLCoordinateElement(void)
{
}

/*!
  Send coordinates \a index to GL. Handles both 3D and 4D coordinates.
*/
void
SoGLCoordinateElement::send(const int index) const
{
  if (this->areCoords3D) glVertex3fv((const GLfloat*)(this->coords3D + index));
  else glVertex4fv((const GLfloat*)(this->coords4D + index));
}

//! FIXME: write doc.

//$ EXPORT INLINE
const SbVec3f *
SoGLCoordinateElement::getPtr3() const
{
  return this->coords3D;
}

//! FIXME: write doc.

//$ EXPORT INLINE
const SbVec4f *
SoGLCoordinateElement::getPtr4() const
{
  return this->coords4D;
}
