Shaders on PC are still compiled, but to a bytecode format (DXBC or DXIL for DirectX, SpirV for Vulkan). The sources aren't shipped. The graphics drivers still

Shaders on PC are still compiled, but to a bytecode format (DXBC or DXIL for DirectX, SpirV for Vulkan). The sources aren't shipped. The graphics drivers still have a step to compile this bytecode into the GPU's architecture low level shader assembly of course.