libigl/include/igl/opengl/vertex_array.h

#ifndef IGL_OPENGL_VERTEX_ARRAY_H
#define IGL_OPENGL_VERTEX_ARRAY_H
#include "../igl_inline.h"
#include "gl.h"
#include <Eigen/Core>
namespace igl
{
  namespace opengl
  {
    /// Create a GL_VERTEX_ARRAY for a given mesh (V,F)
    ///
    /// @param[in] V  #V by dim list of mesh vertex positions
    /// @param[in] F  #F by 3 list of mesh triangle indices into V
    /// @param[out] va_id  id of vertex array
    /// @param[out] ab_id  id of array buffer (vertex buffer object)
    /// @param[out] eab_id  id of element array buffer (element/face buffer object)
    ///
    /// \note Unlike most libigl functions, the **input** Eigen matrices must
    /// be `Eigen::PlainObjectBase` because we want to directly access it's
    /// underlying storage. It cannot be `Eigen::MatrixBase` (see
    /// http://stackoverflow.com/questions/25094948/)
    template <
      typename DerivedV,
      typename DerivedF>
    IGL_INLINE void vertex_array(
      const Eigen::PlainObjectBase<DerivedV> & V,
      const Eigen::PlainObjectBase<DerivedF> & F,
      GLuint & va_id,
      GLuint & ab_id,
      GLuint & eab_id);
  }
}
#ifndef IGL_STATIC_LIBRARY
#  include "vertex_array.cpp"
#endif
#endif