Errors occur when I close the APP window!!!

[liwanrun]

2025-09-05 21:41:36.491 ( 20.913s) [76C6981B62394A7B]vtkOpenGLFramebufferObj:356 ERR| vtkOpenGLFramebufferObject (00000193FD2D0360): failed at glDeleteFramebuffers 16 OpenGL errors detected
0 : (1282) Invalid operation
1 : (1282) Invalid operation
2 : (1282) Invalid operation
3 : (1282) Invalid operation
4 : (1282) Invalid operation
5 : (1282) Invalid operation
6 : (1282) Invalid operation
7 : (1282) Invalid operation
8 : (1282) Invalid operation
9 : (1282) Invalid operation
10 : (1282) Invalid operation
11 : (1282) Invalid operation
12 : (1282) Invalid operation
13 : (1282) Invalid operation
14 : (1282) Invalid operation
15 : (1282) Invalid operation

[tx-code]

You should Cleanup VTK resources before OpenGL context destruction.

// Main loop
 while (!glfwWindowShouldClose(window))
 {
     glfwPollEvents();

     // Start the Dear ImGui frame
     ImGui_ImplOpenGL3_NewFrame();
     ImGui_ImplGlfw_NewFrame();
     ImGui::NewFrame();

     // Render application UI
     app.renderUI();

     // Rendering
     ImGui::Render();
     int display_w, display_h;
     glfwGetFramebufferSize(window, &display_w, &display_h);
     glViewport(0, 0, display_w, display_h);
     glClear(GL_COLOR_BUFFER_BIT);
     ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());

     glfwSwapBuffers(window);
 }

 // Cleanup VTK resources before OpenGL context destruction
 app.shutdown();

[liwanrun]

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