Patent ID: 11908040
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 7:
8. A computer system, comprising a host operating system deployed in the computer system, a kernel mode graphics driver and a first guest operating system deployed in the host operating system, the first guest operating system further comprises an image compositor directly connected to an image capture program, and a user mode graphics driver deployed in the first guest operating system;
wherein the user mode kernel driver is configured to:
receive a first application programming interface (API) call request, wherein the first API call request is used to request to perform an image rendering operation; and
generate, based on the first API call request, a first instruction that can be identified by the graphics processing unit, and send the first instruction to the kernel mode graphics driver; and
the kernel mode graphics driver is configured to control, according to the first instruction, the graphics processing unit to perform image rendering.