Intel's graphics libraries are well crafted and pleasant to integrate. In fact, Embree is currently being integrated into Blender's Cycles as an alternative ray

Intel's graphics libraries are well crafted and pleasant to integrate. In fact, Embree is currently being integrated into Blender's Cycles as an alternative ray engine. I'd guess we'll see an effort at integrating the Intel denoiser fairly soon as a plugin at least. Someone recently released a Blender plugin using the NVIDIA Optix denoiser, which I think couldn't be directly integrated due to licensing issues: https://remingtongraphics.net/tools/d-noise/ https://remingtongraphics.net/tools/d-noise/