2
votes
1answer
124 views

Do shader program compilers optimise divide-by-PoT-constants to bitshift operations?

So just to restate that, let's say we have this: float f = g / 2; Given the divisor is a constant, will the shader compiler auto-optimise this to a bitshift operation, as some language compilers are ...
5
votes
2answers
8k views

Does Unity for PC use Direct3D or OpenGL?

I am a mac developer using Unity and I hardly use a PC. When you build a Unity game for Windows, does it use Direct3D or OpenGL? P.S. I'm not sure if it's called Direct3D or DirectX