Apple Inc.

Bob Beretta

John Kenneth Stauffer

Ken Dyke

Virtualization of graphics resources and thread blocking is disclosed. In one exemplary embodiment, a system and method of a kernel in an operating system including generating a data structure having an identifier of a graphics resource assigned to a physical memory location in video memory, and blocking access to the physical memory location if a data within the physical memory location is in transition between video memory and system memory wherein a client application accesses memory in the system memory directly and accesses memory in the video memory through a virtual memory map.

Virtualization of graphics resources and thread blocking

Graphics resources are virtualized through an interlace between graphics hardware and graphics clients. The interface allocates the graphics resources across multiple graphics clients, processes commands for access to the graphics resources from the graphics clients, and resolves conflicts for the graphics resources among the clients.

Virtualization of graphics resources

Graphics resources are virtualized through an interface between graphics hardware and graphics clients. The interface allocates the graphics resources across multiple graphics clients, processes commands for access to the graphics resources from the graphics clients, and resolves conflicts for the graphics resources among the clients.

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South Lake Tahoe, CA, United States of America

Bob Beretta