This is their LLVM/Clang-based shader compiler for compiling HLSL programs into the DirectX Intermediate Language (DXIL) that can then be fed to DirectX GPU drivers from the different vendors
Microsoft just unveiled DirectSR, a new API that allows game developers to support NVIDIA DLSS Super Resolution, AMD FidelityFX Super Resolution, and Intel XeSS with a single code path.
Super resolution and machine learning upscaling tech can boost graphics on lower-end machines, such as handheld gaming PCs and the Xbox Series S, or even the Xbox One consoles. NVIDIA DLSS and AMD Fid
This is a story about the messy state of Microsoft’s DirectX shader compiler, and trying to wrangle it into a nicer experience for game developers. In some respects, building the DXC compiler better than how Microsoft does.