Function gl::DrawElementsInstancedBaseVertexBaseInstance

pub unsafe fn DrawElementsInstancedBaseVertexBaseInstance(mode: GLenum,
                                                          count: GLsizei,
                                                          type_: GLenum,
                                                          indices: *const c_void,
                                                          instancecount: GLsizei,
                                                          basevertex: GLint,
                                                          baseinstance: GLuint)

Fallbacks: DrawElementsInstancedBaseVertexBaseInstanceEXT