Function main

source/examples/transformfeedback/main.cpp:198–250

int main(int /*argc*/, char * /*argv*/[])
{
    // Initialize GLFW
    if (!glfwInit())
        return 1;

    glfwSetErrorCallback(error);
    glfwDefaultWindowHints();
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, true);

    // Create a context and, if valid, make it current
    GLFWwindow * window = glfwCreateWindow(640, 480, "globjects Transform Feedback", NULL, NULL);
    if (window == nullptr)
    {
        globjects::critical() << "Context creation failed. Terminate execution.";

        glfwTerminate();
        return -1;
    }
    glfwSetKeyCallback(window, key_callback);
    glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);

    glfwMakeContextCurrent(window);

    // Initialize globjects (internally initializes glbinding, and registers the current context)
    globjects::init();

    std::cout << std::endl
        << "OpenGL Version:  " << glbinding::ContextInfo::version() << std::endl
        << "OpenGL Vendor:   " << glbinding::ContextInfo::vendor() << std::endl
        << "OpenGL Renderer: " << glbinding::ContextInfo::renderer() << std::endl << std::endl;

    globjects::info() << "Press F5 to reload shaders." << std::endl << std::endl;

    glfwGetFramebufferSize(window, &g_size[0], &g_size[1]);
    initialize();

    // Main loop
    while (!glfwWindowShouldClose(window))
    {
        glfwPollEvents();
        draw();
        glfwSwapBuffers(window);
    }
    deinitialize();

    // Properly shutdown GLFW
    glfwTerminate();

    return 0;
}