Function compare

source/examples/comparison/main.cpp:24–110

void compare()
{
    const int ITERATIONS = 8192;
    const int ITERATIONS_WARMUP = ITERATIONS / 32;


    Timer timer;

    std::cout <<  std::endl << "test: initialize bindings ..." << std::endl;

    timer.start("      glbinding ");
    glbinding_init();

    timer.restart("      glew      ");
    glew_init();

    timer.stop();


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


    std::cout << std::endl << "prep: warm-up ..." << std::endl;
    std::this_thread::sleep_for(std::chrono::seconds(1));

    std::cout << "      glew      " << std::endl;
    for (int i = 0; i < ITERATIONS_WARMUP; ++i)
        glew_test();

    std::cout << "      glbinding " << std::endl;
    for (int i = 0; i < ITERATIONS_WARMUP; ++i)
        glbinding_test();

    timer.setSteps(24 * ITERATIONS);
    

    std::cout << std::endl << "test: average call times for " << ITERATIONS << " x 24 calls ..." << std::endl;

    timer.start("      glew      ");
    for (int i = 0; i < ITERATIONS; ++i)
        glew_test();

    long double glew_avg = timer.restart("      glbinding ");

    for (int i = 0; i < ITERATIONS; ++i)
        glbinding_test();

    long double glbinding_avg = timer.stop();

 
    std::cout << std::endl << "test: again, now with error checking ..." << std::endl;

    glew_error(true);
    glbinding_error(true);