Intel Arc GPUs use DirectX 9 to DirectX 12 emulator, no native DX9 API

Intel Xe and Arc GPUs will use DX12 to emulate DX9, with Arc GPUs featuring no native DX9 support whatsoever, Microsoft's D3D90n12 interface is used.

With New Driver, Intel Arc GPUs Run Older DirectX 9 Games Up to 79

Intel drops native DX9 support on 12th gen and all ARC discrete

GPD WIN 2 Game Compatibility Sheet, PDF

Vulkan Is Now Available On macOS/iOS By MoltenVK Being Open

Improvements to DirectX 9 Games on Intel® Arc™ Graphics

Intel using DXVK (part of Steam Proton) for their Windows Arc GPU

Intel Xe iGPUs and Arc Graphics Lack DirectX 9 Support, Rely on

Intel graphics drop native DirectX 9 support, here's which GPUs

Microsoft's DirectX update will bring you 'closer to the metal