Mediawmfdxvad3d11enabled 'link' -

Historically, DXVA operated on Direct3D 9. As Windows evolved (specifically starting with Windows 8 and widely adopted in Windows 10/11), the video stack was updated to use Direct3D 11 for better integration with modern graphics drivers and the Desktop Window Manager (DWM).

The browser configuration media.wmf.dxva.d3d11.enabled (primarily found in ) is a setting that controls whether the browser uses Direct3D 11 (D3D11) and DirectX Video Acceleration (DXVA) to offload video decoding from your CPU to your Graphics Processing Unit (GPU). Core Function & Purpose mediawmfdxvad3d11enabled