# Escher | |
Escher is a physically based renderer. It is a C++/Vulkan library which is used primarily by the Scenic implementation; it is not exposed by the Fuchsia SDK. | |
The source code lives in [//src/ui/lib/escher/][escher_src] | |
## Features | |
* Volumetric soft shadows | |
* Color bleeding | |
* Light diffusion | |
* Lens effect | |
[escher_src]: /src/ui/lib/escher |