title: When should I use STD140 in OpenGL?
body: <p>When do I use the STD140 for uniform blocks in OpenGL?</p>
  
  <p>Although I am not a 100% sure, I believe there is an alternative to it which can achieve the same thing, called "Shared".</p>
  
  <p>Is it just preference for the coder? Or are there reasons to use one over the other?</p>