void Texture::Load(const std::string &filename) {
  // Load only if we havent done so already
  if(m_texture_id_ == 0) {
    // skip
    // Insert texture creation here
    // Use gli::createTexture2D to load and create texture name and bind it
    m_texture_id_ = gli::createTexture2D(filename);
    glBindTexture(GL_TEXTURE_2D, m_texture_id_);  // <----- Error occurs here!!!
    // Set wrapping to repeat in both S and T directions
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
    // Set linear interpolation for magnification and linear-mipmap-linear for minification
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    // Construct mipmaps
    glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
    // unskip
  }
}