> That's how things work in Windows as well. GPU drivers are different. Basically, Windows have Direct3D already in the kernel, exposing relatively large API s

> That's how things work in Windows as well. GPU drivers are different. Basically, Windows have Direct3D already in the kernel, exposing relatively large API surface for the userland half of the driver. https://docs.microsoft.com/en-us/windows-hardware/drivers/display/windows-vista-and-later-display-driver-model-operation-flow https://docs.microsoft.com/en-us/windows-hardware/drivers/di...