sfml 3.0 demo text render

#include <SFML/Window.hpp>
#include <SFML/OpenGL.hpp>
#include <SFML/Graphics.hpp>



int main(){

   sf::ContextSettings settings{
      .depthBits=24,
      .stencilBits=8,
      .majorVersion=1,
      .minorVersion=4,
      .attributeFlags=sf::ContextSettings::Default,
      .sRgbCapable=true,
   };
   sf::Context context{settings,sf::Vector2u(1,1)};

   sf::RenderWindow window(sf::VideoMode({800, 600}), "   ^^ meow", sf::Style::Default, sf::State::Windowed);
   HWND hwnd = window.getNativeHandle();
   ShowWindow(hwnd, SW_MAXIMIZE);
   window.setVerticalSyncEnabled(true);
   if (not window.setActive(true)){
     // out(1,L"Не удалось активировать окно\n");
   }

   bool running = true;



   sf::Font font;
   if (!font.openFromFile("../data/Roboto-Regular.ttf"))
   {
      return 1;
   }

   // Создание текста
   sf::Text text(font,L"аАёЁяЯaAzZ", 24);
   text.setFillColor(sf::Color::White);
   text.setPosition(sf::Vector2f(50, 50));


   while (running){
      while (const std::optional event = window.pollEvent()){
         if (event->is<sf::Event::Closed>()){
            running = false;
          //  out(2,L"close");
         }
         else if (const auto* resized = event->getIf<sf::Event::Resized>()){
            glViewport(0, 0, resized->size.x, resized->size.y);
          //  out(2,L"resize to %dx%d\n",resized->size.x,resized->size.y);
         }
      }
      glClearColor(0,0.2,0.0,0);
      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
      window.draw(text);
      window.display();
   }
}