Function gl::MultiDrawElementsBaseVertex

pub unsafe fn MultiDrawElementsBaseVertex(mode: GLenum,
                                          count: *const GLsizei,
                                          type_: GLenum,
                                          indices: *const *const c_void,
                                          drawcount: GLsizei,
                                          basevertex: *const GLint)

Fallbacks: MultiDrawElementsBaseVertexEXT, MultiDrawElementsBaseVertexOES