Do the following:

    <start a timer>

    vi vulkan_one_pixel.cpp

    <add the required code to open a window and draw *one* pixel>

    <save, compile, debug, rinse, repeat until a window is opened and a pixel is drawn in it>

    <stop timer>

    <read timer>

    wc -l vulkan_one_pixel.cpp

    du -sh vulkan_one_pixel.cpp

    <despair>